tulip.c revision 1.181.2.1
1 /* $NetBSD: tulip.c,v 1.181.2.1 2014/08/20 00:03:38 tls 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 1.181.2.1 2014/08/20 00:03:38 tls 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_dm9102_txthresh_tab[] = 81 TLP_TXTHRESH_TAB_DM9102; 82 83 static void tlp_start(struct ifnet *); 84 static void tlp_watchdog(struct ifnet *); 85 static int tlp_ioctl(struct ifnet *, u_long, void *); 86 static int tlp_init(struct ifnet *); 87 static void tlp_stop(struct ifnet *, int); 88 static int tlp_ifflags_cb(struct ethercom *); 89 90 static void tlp_rxdrain(struct tulip_softc *); 91 static int tlp_add_rxbuf(struct tulip_softc *, int); 92 static void tlp_srom_idle(struct tulip_softc *); 93 static int tlp_srom_size(struct tulip_softc *); 94 95 static int tlp_enable(struct tulip_softc *); 96 static void tlp_disable(struct tulip_softc *); 97 98 static void tlp_filter_setup(struct tulip_softc *); 99 static void tlp_winb_filter_setup(struct tulip_softc *); 100 static void tlp_al981_filter_setup(struct tulip_softc *); 101 static void tlp_asix_filter_setup(struct tulip_softc *); 102 103 static void tlp_rxintr(struct tulip_softc *); 104 static void tlp_txintr(struct tulip_softc *); 105 106 static void tlp_mii_tick(void *); 107 static void tlp_mii_statchg(struct ifnet *); 108 static void tlp_winb_mii_statchg(struct ifnet *); 109 static void tlp_dm9102_mii_statchg(struct ifnet *); 110 111 static void tlp_mii_getmedia(struct tulip_softc *, struct ifmediareq *); 112 static int tlp_mii_setmedia(struct tulip_softc *); 113 114 static int tlp_bitbang_mii_readreg(device_t, int, int); 115 static void tlp_bitbang_mii_writereg(device_t, int, int, int); 116 117 static int tlp_pnic_mii_readreg(device_t, int, int); 118 static void tlp_pnic_mii_writereg(device_t, int, int, int); 119 120 static int tlp_al981_mii_readreg(device_t, int, int); 121 static void tlp_al981_mii_writereg(device_t, int, int, int); 122 123 static void tlp_2114x_preinit(struct tulip_softc *); 124 static void tlp_2114x_mii_preinit(struct tulip_softc *); 125 static void tlp_pnic_preinit(struct tulip_softc *); 126 static void tlp_dm9102_preinit(struct tulip_softc *); 127 static void tlp_asix_preinit(struct tulip_softc *); 128 129 static void tlp_21140_reset(struct tulip_softc *); 130 static void tlp_21142_reset(struct tulip_softc *); 131 static void tlp_pmac_reset(struct tulip_softc *); 132 #if 0 133 static void tlp_dm9102_reset(struct tulip_softc *); 134 #endif 135 136 static void tlp_2114x_nway_tick(void *); 137 138 #define tlp_mchash(addr, sz) \ 139 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 140 141 /* 142 * MII bit-bang glue. 143 */ 144 static uint32_t tlp_sio_mii_bitbang_read(device_t); 145 static void tlp_sio_mii_bitbang_write(device_t, uint32_t); 146 147 static const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 148 tlp_sio_mii_bitbang_read, 149 tlp_sio_mii_bitbang_write, 150 { 151 MIIROM_MDO, /* MII_BIT_MDO */ 152 MIIROM_MDI, /* MII_BIT_MDI */ 153 MIIROM_MDC, /* MII_BIT_MDC */ 154 0, /* MII_BIT_DIR_HOST_PHY */ 155 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 156 } 157 }; 158 159 #ifdef TLP_DEBUG 160 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 161 printf x 162 #else 163 #define DPRINTF(sc, x) /* nothing */ 164 #endif 165 166 #ifdef TLP_STATS 167 static void tlp_print_stats(struct tulip_softc *); 168 #endif 169 170 /* 171 * Can be used to debug the SROM-related things, including contents. 172 * Initialized so that it's patchable. 173 */ 174 int tlp_srom_debug = 0; 175 176 /* 177 * tlp_attach: 178 * 179 * Attach a Tulip interface to the system. 180 */ 181 int 182 tlp_attach(struct tulip_softc *sc, const uint8_t *enaddr) 183 { 184 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 185 device_t self = sc->sc_dev; 186 int i, error; 187 188 callout_init(&sc->sc_nway_callout, 0); 189 callout_init(&sc->sc_tick_callout, 0); 190 191 /* 192 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 193 */ 194 195 /* 196 * Setup the transmit threshold table. 197 */ 198 switch (sc->sc_chip) { 199 case TULIP_CHIP_DE425: 200 case TULIP_CHIP_21040: 201 case TULIP_CHIP_21041: 202 sc->sc_txth = tlp_10_txthresh_tab; 203 break; 204 205 case TULIP_CHIP_DM9102: 206 case TULIP_CHIP_DM9102A: 207 sc->sc_txth = tlp_dm9102_txthresh_tab; 208 break; 209 210 default: 211 sc->sc_txth = tlp_10_100_txthresh_tab; 212 break; 213 } 214 215 /* 216 * Setup the filter setup function. 217 */ 218 switch (sc->sc_chip) { 219 case TULIP_CHIP_WB89C840F: 220 sc->sc_filter_setup = tlp_winb_filter_setup; 221 break; 222 223 case TULIP_CHIP_AL981: 224 case TULIP_CHIP_AN983: 225 case TULIP_CHIP_AN985: 226 sc->sc_filter_setup = tlp_al981_filter_setup; 227 break; 228 229 case TULIP_CHIP_AX88140: 230 case TULIP_CHIP_AX88141: 231 sc->sc_filter_setup = tlp_asix_filter_setup; 232 break; 233 234 default: 235 sc->sc_filter_setup = tlp_filter_setup; 236 break; 237 } 238 239 /* 240 * Set up the media status change function. 241 */ 242 switch (sc->sc_chip) { 243 case TULIP_CHIP_WB89C840F: 244 sc->sc_statchg = tlp_winb_mii_statchg; 245 break; 246 247 case TULIP_CHIP_DM9102: 248 case TULIP_CHIP_DM9102A: 249 sc->sc_statchg = tlp_dm9102_mii_statchg; 250 break; 251 252 default: 253 /* 254 * We may override this if we have special media 255 * handling requirements (e.g. flipping GPIO pins). 256 * 257 * The pure-MII statchg function covers the basics. 258 */ 259 sc->sc_statchg = tlp_mii_statchg; 260 break; 261 } 262 263 /* 264 * Default to no FS|LS in setup packet descriptors. They're 265 * supposed to be zero according to the 21040 and 21143 266 * manuals, and some chips fall over badly if they're 267 * included. Yet, other chips seem to require them. Sigh. 268 */ 269 switch (sc->sc_chip) { 270 case TULIP_CHIP_X3201_3: 271 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS; 272 break; 273 274 default: 275 sc->sc_setup_fsls = 0; 276 } 277 278 /* 279 * Set up various chip-specific quirks. 280 * 281 * Note that wherever we can, we use the "ring" option for 282 * transmit and receive descriptors. This is because some 283 * clone chips apparently have problems when using chaining, 284 * although some *only* support chaining. 285 * 286 * What we do is always program the "next" pointer, and then 287 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 288 * appropriate places. 289 */ 290 switch (sc->sc_chip) { 291 case TULIP_CHIP_21140: 292 case TULIP_CHIP_21140A: 293 case TULIP_CHIP_21142: 294 case TULIP_CHIP_21143: 295 case TULIP_CHIP_82C115: /* 21143-like */ 296 case TULIP_CHIP_MX98713: /* 21140-like */ 297 case TULIP_CHIP_MX98713A: /* 21143-like */ 298 case TULIP_CHIP_MX98715: /* 21143-like */ 299 case TULIP_CHIP_MX98715A: /* 21143-like */ 300 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */ 301 case TULIP_CHIP_MX98725: /* 21143-like */ 302 case TULIP_CHIP_RS7112: /* 21143-like */ 303 /* 304 * Run these chips in ring mode. 305 */ 306 sc->sc_tdctl_ch = 0; 307 sc->sc_tdctl_er = TDCTL_ER; 308 sc->sc_preinit = tlp_2114x_preinit; 309 break; 310 311 case TULIP_CHIP_82C168: 312 case TULIP_CHIP_82C169: 313 /* 314 * Run these chips in ring mode. 315 */ 316 sc->sc_tdctl_ch = 0; 317 sc->sc_tdctl_er = TDCTL_ER; 318 sc->sc_preinit = tlp_pnic_preinit; 319 320 /* 321 * These chips seem to have busted DMA engines; just put them 322 * in Store-and-Forward mode from the get-go. 323 */ 324 sc->sc_txthresh = TXTH_SF; 325 break; 326 327 case TULIP_CHIP_WB89C840F: 328 /* 329 * Run this chip in chained mode. 330 */ 331 sc->sc_tdctl_ch = TDCTL_CH; 332 sc->sc_tdctl_er = 0; 333 sc->sc_flags |= TULIPF_IC_FS; 334 break; 335 336 case TULIP_CHIP_DM9102: 337 case TULIP_CHIP_DM9102A: 338 /* 339 * Run these chips in chained mode. 340 */ 341 sc->sc_tdctl_ch = TDCTL_CH; 342 sc->sc_tdctl_er = 0; 343 sc->sc_preinit = tlp_dm9102_preinit; 344 345 /* 346 * These chips have a broken bus interface, so we 347 * can't use any optimized bus commands. For this 348 * reason, we tend to underrun pretty quickly, so 349 * just to Store-and-Forward mode from the get-go. 350 */ 351 sc->sc_txthresh = TXTH_DM9102_SF; 352 break; 353 354 case TULIP_CHIP_AX88140: 355 case TULIP_CHIP_AX88141: 356 /* 357 * Run these chips in ring mode. 358 */ 359 sc->sc_tdctl_ch = 0; 360 sc->sc_tdctl_er = TDCTL_ER; 361 sc->sc_preinit = tlp_asix_preinit; 362 break; 363 364 default: 365 /* 366 * Default to running in ring mode. 367 */ 368 sc->sc_tdctl_ch = 0; 369 sc->sc_tdctl_er = TDCTL_ER; 370 } 371 372 /* 373 * Set up the MII bit-bang operations. 374 */ 375 switch (sc->sc_chip) { 376 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 377 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 378 break; 379 380 default: 381 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 382 } 383 384 SIMPLEQ_INIT(&sc->sc_txfreeq); 385 SIMPLEQ_INIT(&sc->sc_txdirtyq); 386 387 /* 388 * Allocate the control data structures, and create and load the 389 * DMA map for it. 390 */ 391 if ((error = bus_dmamem_alloc(sc->sc_dmat, 392 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 393 1, &sc->sc_cdnseg, 0)) != 0) { 394 aprint_error_dev(self, "unable to allocate control data, error = %d\n", 395 error); 396 goto fail_0; 397 } 398 399 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 400 sizeof(struct tulip_control_data), (void **)&sc->sc_control_data, 401 BUS_DMA_COHERENT)) != 0) { 402 aprint_error_dev(self, "unable to map control data, error = %d\n", 403 error); 404 goto fail_1; 405 } 406 407 if ((error = bus_dmamap_create(sc->sc_dmat, 408 sizeof(struct tulip_control_data), 1, 409 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 410 sc->sc_cddmamap = NULL; 411 aprint_error_dev(self, "unable to create control data DMA map, " 412 "error = %d\n", error); 413 goto fail_2; 414 } 415 416 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 417 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 418 0)) != 0) { 419 aprint_error_dev(self, "unable to load control data DMA map, error = %d\n", 420 error); 421 goto fail_3; 422 } 423 424 /* 425 * Create the transmit buffer DMA maps. 426 * 427 * Note that on the Xircom clone, transmit buffers must be 428 * 4-byte aligned. We're almost guaranteed to have to copy 429 * the packet in that case, so we just limit ourselves to 430 * one segment. 431 * 432 * On the DM9102, the transmit logic can only handle one 433 * DMA segment. 434 */ 435 switch (sc->sc_chip) { 436 case TULIP_CHIP_X3201_3: 437 case TULIP_CHIP_DM9102: 438 case TULIP_CHIP_DM9102A: 439 case TULIP_CHIP_AX88140: 440 case TULIP_CHIP_AX88141: 441 sc->sc_ntxsegs = 1; 442 break; 443 444 default: 445 sc->sc_ntxsegs = TULIP_NTXSEGS; 446 } 447 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 448 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 449 sc->sc_ntxsegs, MCLBYTES, 0, 0, 450 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 451 sc->sc_txsoft[i].txs_dmamap = NULL; 452 aprint_error_dev(self, "unable to create tx DMA map %d, " 453 "error = %d\n", i, error); 454 goto fail_4; 455 } 456 } 457 458 /* 459 * Create the receive buffer DMA maps. 460 */ 461 for (i = 0; i < TULIP_NRXDESC; i++) { 462 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 463 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 464 sc->sc_rxsoft[i].rxs_dmamap = NULL; 465 aprint_error_dev(self, "unable to create rx DMA map %d, " 466 "error = %d\n", i, error); 467 goto fail_5; 468 } 469 sc->sc_rxsoft[i].rxs_mbuf = NULL; 470 } 471 472 /* 473 * From this point forward, the attachment cannot fail. A failure 474 * before this point releases all resources that may have been 475 * allocated. 476 */ 477 sc->sc_flags |= TULIPF_ATTACHED; 478 479 /* 480 * Reset the chip to a known state. 481 */ 482 tlp_reset(sc); 483 484 /* Announce ourselves. */ 485 aprint_normal_dev(self, "%s%sEthernet address %s\n", 486 sc->sc_name[0] != '\0' ? sc->sc_name : "", 487 sc->sc_name[0] != '\0' ? ", " : "", 488 ether_sprintf(enaddr)); 489 490 /* 491 * Check to see if we're the simulated Ethernet on Connectix 492 * Virtual PC. 493 */ 494 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) 495 sc->sc_flags |= TULIPF_VPC; 496 497 /* 498 * Initialize our media structures. This may probe the MII, if 499 * present. 500 */ 501 (*sc->sc_mediasw->tmsw_init)(sc); 502 503 strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 504 ifp->if_softc = sc; 505 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 506 sc->sc_if_flags = ifp->if_flags; 507 ifp->if_ioctl = tlp_ioctl; 508 ifp->if_start = tlp_start; 509 ifp->if_watchdog = tlp_watchdog; 510 ifp->if_init = tlp_init; 511 ifp->if_stop = tlp_stop; 512 IFQ_SET_READY(&ifp->if_snd); 513 514 /* 515 * We can support 802.1Q VLAN-sized frames. 516 */ 517 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; 518 519 /* 520 * Attach the interface. 521 */ 522 if_attach(ifp); 523 ether_ifattach(ifp, enaddr); 524 ether_set_ifflags_cb(&sc->sc_ethercom, tlp_ifflags_cb); 525 526 rnd_attach_source(&sc->sc_rnd_source, device_xname(self), 527 RND_TYPE_NET, RND_FLAG_DEFAULT); 528 529 if (pmf_device_register(self, NULL, NULL)) 530 pmf_class_network_register(self, ifp); 531 else 532 aprint_error_dev(self, "couldn't establish power handler\n"); 533 534 return 0; 535 536 /* 537 * Free any resources we've allocated during the failed attach 538 * attempt. Do this in reverse order and fall through. 539 */ 540 fail_5: 541 for (i = 0; i < TULIP_NRXDESC; i++) { 542 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 543 bus_dmamap_destroy(sc->sc_dmat, 544 sc->sc_rxsoft[i].rxs_dmamap); 545 } 546 fail_4: 547 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 548 if (sc->sc_txsoft[i].txs_dmamap != NULL) 549 bus_dmamap_destroy(sc->sc_dmat, 550 sc->sc_txsoft[i].txs_dmamap); 551 } 552 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 553 fail_3: 554 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 555 fail_2: 556 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 557 sizeof(struct tulip_control_data)); 558 fail_1: 559 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 560 fail_0: 561 return error; 562 } 563 564 /* 565 * tlp_activate: 566 * 567 * Handle device activation/deactivation requests. 568 */ 569 int 570 tlp_activate(device_t self, enum devact act) 571 { 572 struct tulip_softc *sc = device_private(self); 573 574 switch (act) { 575 case DVACT_DEACTIVATE: 576 if_deactivate(&sc->sc_ethercom.ec_if); 577 return 0; 578 default: 579 return EOPNOTSUPP; 580 } 581 } 582 583 /* 584 * tlp_detach: 585 * 586 * Detach a Tulip interface. 587 */ 588 int 589 tlp_detach(struct tulip_softc *sc) 590 { 591 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 592 struct tulip_rxsoft *rxs; 593 struct tulip_txsoft *txs; 594 device_t self = sc->sc_dev; 595 int i; 596 597 /* 598 * Succeed now if there isn't any work to do. 599 */ 600 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 601 return (0); 602 603 /* Unhook our tick handler. */ 604 if (sc->sc_tick) 605 callout_stop(&sc->sc_tick_callout); 606 607 if (sc->sc_flags & TULIPF_HAS_MII) { 608 /* Detach all PHYs */ 609 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 610 } 611 612 /* Delete all remaining media. */ 613 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 614 615 rnd_detach_source(&sc->sc_rnd_source); 616 617 ether_ifdetach(ifp); 618 if_detach(ifp); 619 620 for (i = 0; i < TULIP_NRXDESC; i++) { 621 rxs = &sc->sc_rxsoft[i]; 622 if (rxs->rxs_mbuf != NULL) { 623 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 624 m_freem(rxs->rxs_mbuf); 625 rxs->rxs_mbuf = NULL; 626 } 627 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 628 } 629 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 630 txs = &sc->sc_txsoft[i]; 631 if (txs->txs_mbuf != NULL) { 632 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 633 m_freem(txs->txs_mbuf); 634 txs->txs_mbuf = NULL; 635 } 636 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 637 } 638 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 639 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 640 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, 641 sizeof(struct tulip_control_data)); 642 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 643 644 pmf_device_deregister(self); 645 646 if (sc->sc_srom) 647 free(sc->sc_srom, M_DEVBUF); 648 649 return (0); 650 } 651 652 /* 653 * tlp_start: [ifnet interface function] 654 * 655 * Start packet transmission on the interface. 656 */ 657 static void 658 tlp_start(struct ifnet *ifp) 659 { 660 struct tulip_softc *sc = ifp->if_softc; 661 struct mbuf *m0, *m; 662 struct tulip_txsoft *txs, *last_txs = NULL; 663 bus_dmamap_t dmamap; 664 int error, firsttx, nexttx, lasttx = 1, ofree, seg; 665 struct tulip_desc *txd; 666 667 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 668 device_xname(sc->sc_dev), sc->sc_flags, ifp->if_flags)); 669 670 /* 671 * If we want a filter setup, it means no more descriptors were 672 * available for the setup routine. Let it get a chance to wedge 673 * itself into the ring. 674 */ 675 if (sc->sc_flags & TULIPF_WANT_SETUP) 676 ifp->if_flags |= IFF_OACTIVE; 677 678 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 679 return; 680 681 if (sc->sc_tick == tlp_2114x_nway_tick && 682 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) 683 return; 684 685 /* 686 * Remember the previous number of free descriptors and 687 * the first descriptor we'll use. 688 */ 689 ofree = sc->sc_txfree; 690 firsttx = sc->sc_txnext; 691 692 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 693 device_xname(sc->sc_dev), ofree, firsttx)); 694 695 /* 696 * Loop through the send queue, setting up transmit descriptors 697 * until we drain the queue, or use up all available transmit 698 * descriptors. 699 */ 700 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 701 sc->sc_txfree != 0) { 702 /* 703 * Grab a packet off the queue. 704 */ 705 IFQ_POLL(&ifp->if_snd, m0); 706 if (m0 == NULL) 707 break; 708 m = NULL; 709 710 dmamap = txs->txs_dmamap; 711 712 /* 713 * Load the DMA map. If this fails, the packet either 714 * didn't fit in the alloted number of segments, or we were 715 * short on resources. In this case, we'll copy and try 716 * again. 717 * 718 * Note that if we're only allowed 1 Tx segment, we 719 * have an alignment restriction. Do this test before 720 * attempting to load the DMA map, because it's more 721 * likely we'll trip the alignment test than the 722 * more-than-one-segment test. 723 */ 724 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || 725 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 726 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { 727 MGETHDR(m, M_DONTWAIT, MT_DATA); 728 if (m == NULL) { 729 aprint_error_dev(sc->sc_dev, "unable to allocate Tx mbuf\n"); 730 break; 731 } 732 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); 733 if (m0->m_pkthdr.len > MHLEN) { 734 MCLGET(m, M_DONTWAIT); 735 if ((m->m_flags & M_EXT) == 0) { 736 aprint_error_dev(sc->sc_dev, 737 "unable to allocate Tx cluster\n"); 738 m_freem(m); 739 break; 740 } 741 } 742 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *)); 743 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 744 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 745 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); 746 if (error) { 747 aprint_error_dev(sc->sc_dev, 748 "unable to load Tx buffer, error = %d", 749 error); 750 break; 751 } 752 } 753 754 /* 755 * Ensure we have enough descriptors free to describe 756 * the packet. 757 */ 758 if (dmamap->dm_nsegs > sc->sc_txfree) { 759 /* 760 * Not enough free descriptors to transmit this 761 * packet. We haven't committed to anything yet, 762 * so just unload the DMA map, put the packet 763 * back on the queue, and punt. Notify the upper 764 * layer that there are no more slots left. 765 * 766 * XXX We could allocate an mbuf and copy, but 767 * XXX it is worth it? 768 */ 769 ifp->if_flags |= IFF_OACTIVE; 770 bus_dmamap_unload(sc->sc_dmat, dmamap); 771 if (m != NULL) 772 m_freem(m); 773 break; 774 } 775 776 IFQ_DEQUEUE(&ifp->if_snd, m0); 777 if (m != NULL) { 778 m_freem(m0); 779 m0 = m; 780 } 781 782 /* 783 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 784 */ 785 786 /* Sync the DMA map. */ 787 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 788 BUS_DMASYNC_PREWRITE); 789 790 /* 791 * Initialize the transmit descriptors. 792 */ 793 for (nexttx = sc->sc_txnext, seg = 0; 794 seg < dmamap->dm_nsegs; 795 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 796 /* 797 * If this is the first descriptor we're 798 * enqueueing, don't set the OWN bit just 799 * yet. That could cause a race condition. 800 * We'll do it below. 801 */ 802 txd = &sc->sc_txdescs[nexttx]; 803 txd->td_status = 804 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 805 txd->td_bufaddr1 = 806 htole32(dmamap->dm_segs[seg].ds_addr); 807 txd->td_ctl = 808 htole32((dmamap->dm_segs[seg].ds_len << 809 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 810 (nexttx == (TULIP_NTXDESC - 1) ? 811 sc->sc_tdctl_er : 0)); 812 lasttx = nexttx; 813 } 814 815 KASSERT(lasttx != -1); 816 817 /* Set `first segment' and `last segment' appropriately. */ 818 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 819 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 820 821 #ifdef TLP_DEBUG 822 if (ifp->if_flags & IFF_DEBUG) { 823 printf(" txsoft %p transmit chain:\n", txs); 824 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 825 txd = &sc->sc_txdescs[seg]; 826 printf(" descriptor %d:\n", seg); 827 printf(" td_status: 0x%08x\n", 828 le32toh(txd->td_status)); 829 printf(" td_ctl: 0x%08x\n", 830 le32toh(txd->td_ctl)); 831 printf(" td_bufaddr1: 0x%08x\n", 832 le32toh(txd->td_bufaddr1)); 833 printf(" td_bufaddr2: 0x%08x\n", 834 le32toh(txd->td_bufaddr2)); 835 if (seg == lasttx) 836 break; 837 } 838 } 839 #endif 840 841 /* Sync the descriptors we're using. */ 842 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 843 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 844 845 /* 846 * Store a pointer to the packet so we can free it later, 847 * and remember what txdirty will be once the packet is 848 * done. 849 */ 850 txs->txs_mbuf = m0; 851 txs->txs_firstdesc = sc->sc_txnext; 852 txs->txs_lastdesc = lasttx; 853 txs->txs_ndescs = dmamap->dm_nsegs; 854 855 /* Advance the tx pointer. */ 856 sc->sc_txfree -= dmamap->dm_nsegs; 857 sc->sc_txnext = nexttx; 858 859 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 860 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 861 862 last_txs = txs; 863 864 /* 865 * Pass the packet to any BPF listeners. 866 */ 867 bpf_mtap(ifp, m0); 868 } 869 870 if (txs == NULL || sc->sc_txfree == 0) { 871 /* No more slots left; notify upper layer. */ 872 ifp->if_flags |= IFF_OACTIVE; 873 } 874 875 if (sc->sc_txfree != ofree) { 876 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 877 device_xname(sc->sc_dev), lasttx, firsttx)); 878 /* 879 * Cause a transmit interrupt to happen on the 880 * last packet we enqueued. 881 */ 882 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 883 TULIP_CDTXSYNC(sc, lasttx, 1, 884 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 885 886 /* 887 * Some clone chips want IC on the *first* segment in 888 * the packet. Appease them. 889 */ 890 KASSERT(last_txs != NULL); 891 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 892 last_txs->txs_firstdesc != lasttx) { 893 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 894 htole32(TDCTL_Tx_IC); 895 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 896 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 897 } 898 899 /* 900 * The entire packet chain is set up. Give the 901 * first descriptor to the chip now. 902 */ 903 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 904 TULIP_CDTXSYNC(sc, firsttx, 1, 905 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 906 907 /* Wake up the transmitter. */ 908 /* XXX USE AUTOPOLLING? */ 909 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 910 911 /* Set a watchdog timer in case the chip flakes out. */ 912 ifp->if_timer = 5; 913 } 914 } 915 916 /* 917 * tlp_watchdog: [ifnet interface function] 918 * 919 * Watchdog timer handler. 920 */ 921 static void 922 tlp_watchdog(struct ifnet *ifp) 923 { 924 struct tulip_softc *sc = ifp->if_softc; 925 int doing_setup, doing_transmit; 926 927 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 928 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); 929 930 if (doing_setup && doing_transmit) { 931 printf("%s: filter setup and transmit timeout\n", device_xname(sc->sc_dev)); 932 ifp->if_oerrors++; 933 } else if (doing_transmit) { 934 printf("%s: transmit timeout\n", device_xname(sc->sc_dev)); 935 ifp->if_oerrors++; 936 } else if (doing_setup) 937 printf("%s: filter setup timeout\n", device_xname(sc->sc_dev)); 938 else 939 printf("%s: spurious watchdog timeout\n", device_xname(sc->sc_dev)); 940 941 (void) tlp_init(ifp); 942 943 /* Try to get more packets going. */ 944 tlp_start(ifp); 945 } 946 947 /* If the interface is up and running, only modify the receive 948 * filter when setting promiscuous or debug mode. Otherwise fall 949 * through to ether_ioctl, which will reset the chip. 950 */ 951 static int 952 tlp_ifflags_cb(struct ethercom *ec) 953 { 954 struct ifnet *ifp = &ec->ec_if; 955 struct tulip_softc *sc = ifp->if_softc; 956 int change = ifp->if_flags ^ sc->sc_if_flags; 957 958 if ((change & ~(IFF_CANTCHANGE|IFF_DEBUG)) != 0) 959 return ENETRESET; 960 if ((change & IFF_PROMISC) != 0) 961 (*sc->sc_filter_setup)(sc); 962 return 0; 963 } 964 965 /* 966 * tlp_ioctl: [ifnet interface function] 967 * 968 * Handle control requests from the operator. 969 */ 970 static int 971 tlp_ioctl(struct ifnet *ifp, u_long cmd, void *data) 972 { 973 struct tulip_softc *sc = ifp->if_softc; 974 struct ifreq *ifr = (struct ifreq *)data; 975 int s, error; 976 977 s = splnet(); 978 979 switch (cmd) { 980 case SIOCSIFMEDIA: 981 case SIOCGIFMEDIA: 982 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 983 break; 984 default: 985 error = ether_ioctl(ifp, cmd, data); 986 if (error == ENETRESET) { 987 if (ifp->if_flags & IFF_RUNNING) { 988 /* 989 * Multicast list has changed. Set the 990 * hardware filter accordingly. 991 */ 992 (*sc->sc_filter_setup)(sc); 993 } 994 error = 0; 995 } 996 break; 997 } 998 999 /* Try to get more packets going. */ 1000 if (TULIP_IS_ENABLED(sc)) 1001 tlp_start(ifp); 1002 1003 sc->sc_if_flags = ifp->if_flags; 1004 splx(s); 1005 return (error); 1006 } 1007 1008 /* 1009 * tlp_intr: 1010 * 1011 * Interrupt service routine. 1012 */ 1013 int 1014 tlp_intr(void *arg) 1015 { 1016 struct tulip_softc *sc = arg; 1017 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1018 uint32_t status, rxstatus, txstatus; 1019 int handled = 0, txthresh; 1020 1021 DPRINTF(sc, ("%s: tlp_intr\n", device_xname(sc->sc_dev))); 1022 1023 #ifdef DEBUG 1024 if (TULIP_IS_ENABLED(sc) == 0) 1025 panic("%s: tlp_intr: not enabled", device_xname(sc->sc_dev)); 1026 #endif 1027 1028 /* 1029 * If the interface isn't running, the interrupt couldn't 1030 * possibly have come from us. 1031 */ 1032 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1033 !device_is_active(sc->sc_dev)) 1034 return (0); 1035 1036 /* Disable interrupts on the DM9102 (interrupt edge bug). */ 1037 switch (sc->sc_chip) { 1038 case TULIP_CHIP_DM9102: 1039 case TULIP_CHIP_DM9102A: 1040 TULIP_WRITE(sc, CSR_INTEN, 0); 1041 break; 1042 1043 default: 1044 /* Nothing. */ 1045 break; 1046 } 1047 1048 for (;;) { 1049 status = TULIP_READ(sc, CSR_STATUS); 1050 if (status) 1051 TULIP_WRITE(sc, CSR_STATUS, status); 1052 1053 if ((status & sc->sc_inten) == 0) 1054 break; 1055 1056 handled = 1; 1057 1058 rxstatus = status & sc->sc_rxint_mask; 1059 txstatus = status & sc->sc_txint_mask; 1060 1061 if (rxstatus) { 1062 /* Grab new any new packets. */ 1063 tlp_rxintr(sc); 1064 1065 if (rxstatus & STATUS_RWT) 1066 printf("%s: receive watchdog timeout\n", 1067 device_xname(sc->sc_dev)); 1068 1069 if (rxstatus & STATUS_RU) { 1070 printf("%s: receive ring overrun\n", 1071 device_xname(sc->sc_dev)); 1072 /* Get the receive process going again. */ 1073 if (sc->sc_tdctl_er != TDCTL_ER) { 1074 tlp_idle(sc, OPMODE_SR); 1075 TULIP_WRITE(sc, CSR_RXLIST, 1076 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1077 TULIP_WRITE(sc, CSR_OPMODE, 1078 sc->sc_opmode); 1079 } 1080 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1081 break; 1082 } 1083 } 1084 1085 if (txstatus) { 1086 /* Sweep up transmit descriptors. */ 1087 tlp_txintr(sc); 1088 1089 if (txstatus & STATUS_TJT) 1090 printf("%s: transmit jabber timeout\n", 1091 device_xname(sc->sc_dev)); 1092 1093 if (txstatus & STATUS_UNF) { 1094 /* 1095 * Increase our transmit threshold if 1096 * another is available. 1097 */ 1098 txthresh = sc->sc_txthresh + 1; 1099 if (sc->sc_txth[txthresh].txth_name != NULL) { 1100 /* Idle the transmit process. */ 1101 tlp_idle(sc, OPMODE_ST); 1102 1103 sc->sc_txthresh = txthresh; 1104 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1105 sc->sc_opmode |= 1106 sc->sc_txth[txthresh].txth_opmode; 1107 printf("%s: transmit underrun; new " 1108 "threshold: %s\n", 1109 device_xname(sc->sc_dev), 1110 sc->sc_txth[txthresh].txth_name); 1111 1112 /* 1113 * Set the new threshold and restart 1114 * the transmit process. 1115 */ 1116 TULIP_WRITE(sc, CSR_OPMODE, 1117 sc->sc_opmode); 1118 } 1119 /* 1120 * XXX Log every Nth underrun from 1121 * XXX now on? 1122 */ 1123 } 1124 } 1125 1126 if (status & (STATUS_TPS|STATUS_RPS)) { 1127 if (status & STATUS_TPS) 1128 printf("%s: transmit process stopped\n", 1129 device_xname(sc->sc_dev)); 1130 if (status & STATUS_RPS) 1131 printf("%s: receive process stopped\n", 1132 device_xname(sc->sc_dev)); 1133 (void) tlp_init(ifp); 1134 break; 1135 } 1136 1137 if (status & STATUS_SE) { 1138 const char *str; 1139 switch (status & STATUS_EB) { 1140 case STATUS_EB_PARITY: 1141 str = "parity error"; 1142 break; 1143 1144 case STATUS_EB_MABT: 1145 str = "master abort"; 1146 break; 1147 1148 case STATUS_EB_TABT: 1149 str = "target abort"; 1150 break; 1151 1152 default: 1153 str = "unknown error"; 1154 break; 1155 } 1156 aprint_error_dev(sc->sc_dev, "fatal system error: %s\n", 1157 str); 1158 (void) tlp_init(ifp); 1159 break; 1160 } 1161 1162 /* 1163 * Not handled: 1164 * 1165 * Transmit buffer unavailable -- normal 1166 * condition, nothing to do, really. 1167 * 1168 * General purpose timer experied -- we don't 1169 * use the general purpose timer. 1170 * 1171 * Early receive interrupt -- not available on 1172 * all chips, we just use RI. We also only 1173 * use single-segment receive DMA, so this 1174 * is mostly useless. 1175 */ 1176 } 1177 1178 /* Bring interrupts back up on the DM9102. */ 1179 switch (sc->sc_chip) { 1180 case TULIP_CHIP_DM9102: 1181 case TULIP_CHIP_DM9102A: 1182 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1183 break; 1184 1185 default: 1186 /* Nothing. */ 1187 break; 1188 } 1189 1190 /* Try to get more packets going. */ 1191 tlp_start(ifp); 1192 1193 if (handled) 1194 rnd_add_uint32(&sc->sc_rnd_source, status); 1195 1196 return (handled); 1197 } 1198 1199 /* 1200 * tlp_rxintr: 1201 * 1202 * Helper; handle receive interrupts. 1203 */ 1204 static void 1205 tlp_rxintr(struct tulip_softc *sc) 1206 { 1207 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1208 struct ether_header *eh; 1209 struct tulip_rxsoft *rxs; 1210 struct mbuf *m; 1211 uint32_t rxstat, errors; 1212 int i, len; 1213 1214 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1215 rxs = &sc->sc_rxsoft[i]; 1216 1217 TULIP_CDRXSYNC(sc, i, 1218 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1219 1220 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1221 1222 if (rxstat & TDSTAT_OWN) { 1223 /* 1224 * We have processed all of the receive buffers. 1225 */ 1226 break; 1227 } 1228 1229 /* 1230 * Make sure the packet fit in one buffer. This should 1231 * always be the case. But the Lite-On PNIC, rev 33 1232 * has an awful receive engine bug, which may require 1233 * a very icky work-around. 1234 */ 1235 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1236 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1237 printf("%s: incoming packet spilled, resetting\n", 1238 device_xname(sc->sc_dev)); 1239 (void) tlp_init(ifp); 1240 return; 1241 } 1242 1243 /* 1244 * If any collisions were seen on the wire, count one. 1245 */ 1246 if (rxstat & TDSTAT_Rx_CS) 1247 ifp->if_collisions++; 1248 1249 /* 1250 * If an error occurred, update stats, clear the status 1251 * word, and leave the packet buffer in place. It will 1252 * simply be reused the next time the ring comes around. 1253 */ 1254 errors = TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_TL | 1255 TDSTAT_Rx_CS | TDSTAT_Rx_RE | TDSTAT_Rx_DB | TDSTAT_Rx_CE; 1256 /* 1257 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long 1258 * error. 1259 */ 1260 if ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) != 0) 1261 errors &= ~TDSTAT_Rx_TL; 1262 /* 1263 * If chip doesn't have MII, ignore the MII error bit. 1264 */ 1265 if ((sc->sc_flags & TULIPF_HAS_MII) == 0) 1266 errors &= ~TDSTAT_Rx_RE; 1267 1268 if ((rxstat & TDSTAT_ES) != 0 && 1269 (rxstat & errors) != 0) { 1270 rxstat &= errors; 1271 #define PRINTERR(bit, str) \ 1272 if (rxstat & (bit)) \ 1273 aprint_error_dev(sc->sc_dev, "receive error: %s\n", \ 1274 str) 1275 ifp->if_ierrors++; 1276 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1277 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1278 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1279 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1280 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1281 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1282 #undef PRINTERR 1283 TULIP_INIT_RXDESC(sc, i); 1284 continue; 1285 } 1286 1287 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1288 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1289 1290 /* 1291 * No errors; receive the packet. Note the Tulip 1292 * includes the CRC with every packet. 1293 */ 1294 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1295 1296 #ifdef __NO_STRICT_ALIGNMENT 1297 /* 1298 * Allocate a new mbuf cluster. If that fails, we are 1299 * out of memory, and must drop the packet and recycle 1300 * the buffer that's already attached to this descriptor. 1301 */ 1302 m = rxs->rxs_mbuf; 1303 if (tlp_add_rxbuf(sc, i) != 0) { 1304 ifp->if_ierrors++; 1305 TULIP_INIT_RXDESC(sc, i); 1306 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1307 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1308 continue; 1309 } 1310 #else 1311 /* 1312 * The Tulip's receive buffers must be 4-byte aligned. 1313 * But this means that the data after the Ethernet header 1314 * is misaligned. We must allocate a new buffer and 1315 * copy the data, shifted forward 2 bytes. 1316 */ 1317 MGETHDR(m, M_DONTWAIT, MT_DATA); 1318 if (m == NULL) { 1319 dropit: 1320 ifp->if_ierrors++; 1321 TULIP_INIT_RXDESC(sc, i); 1322 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1323 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1324 continue; 1325 } 1326 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 1327 if (len > (MHLEN - 2)) { 1328 MCLGET(m, M_DONTWAIT); 1329 if ((m->m_flags & M_EXT) == 0) { 1330 m_freem(m); 1331 goto dropit; 1332 } 1333 } 1334 m->m_data += 2; 1335 1336 /* 1337 * Note that we use clusters for incoming frames, so the 1338 * buffer is virtually contiguous. 1339 */ 1340 memcpy(mtod(m, void *), mtod(rxs->rxs_mbuf, void *), len); 1341 1342 /* Allow the receive descriptor to continue using its mbuf. */ 1343 TULIP_INIT_RXDESC(sc, i); 1344 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1345 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1346 #endif /* __NO_STRICT_ALIGNMENT */ 1347 1348 ifp->if_ipackets++; 1349 eh = mtod(m, struct ether_header *); 1350 m->m_pkthdr.rcvif = ifp; 1351 m->m_pkthdr.len = m->m_len = len; 1352 1353 /* 1354 * XXX Work-around for a weird problem with the emulated 1355 * 21041 on Connectix Virtual PC: 1356 * 1357 * When we receive a full-size TCP segment, we seem to get 1358 * a packet there the Rx status says 1522 bytes, yet we do 1359 * not get a frame-too-long error from the chip. The extra 1360 * bytes seem to always be zeros. Perhaps Virtual PC is 1361 * inserting 4 bytes of zeros after every packet. In any 1362 * case, let's try and detect this condition and truncate 1363 * the length so that it will pass up the stack. 1364 */ 1365 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { 1366 uint16_t etype = ntohs(eh->ether_type); 1367 1368 if (len > ETHER_MAX_FRAME(ifp, etype, 0)) 1369 m->m_pkthdr.len = m->m_len = len = 1370 ETHER_MAX_FRAME(ifp, etype, 0); 1371 } 1372 1373 /* 1374 * Pass this up to any BPF listeners, but only 1375 * pass it up the stack if it's for us. 1376 */ 1377 bpf_mtap(ifp, m); 1378 1379 /* 1380 * We sometimes have to run the 21140 in Hash-Only 1381 * mode. If we're in that mode, and not in promiscuous 1382 * mode, and we have a unicast packet that isn't for 1383 * us, then drop it. 1384 */ 1385 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && 1386 (ifp->if_flags & IFF_PROMISC) == 0 && 1387 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && 1388 memcmp(CLLADDR(ifp->if_sadl), eh->ether_dhost, 1389 ETHER_ADDR_LEN) != 0) { 1390 m_freem(m); 1391 continue; 1392 } 1393 1394 /* Pass it on. */ 1395 (*ifp->if_input)(ifp, m); 1396 } 1397 1398 /* Update the receive pointer. */ 1399 sc->sc_rxptr = i; 1400 } 1401 1402 /* 1403 * tlp_txintr: 1404 * 1405 * Helper; handle transmit interrupts. 1406 */ 1407 static void 1408 tlp_txintr(struct tulip_softc *sc) 1409 { 1410 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1411 struct tulip_txsoft *txs; 1412 uint32_t txstat; 1413 1414 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1415 device_xname(sc->sc_dev), sc->sc_flags)); 1416 1417 ifp->if_flags &= ~IFF_OACTIVE; 1418 1419 /* 1420 * Go through our Tx list and free mbufs for those 1421 * frames that have been transmitted. 1422 */ 1423 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1424 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1425 txs->txs_ndescs, 1426 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1427 1428 #ifdef TLP_DEBUG 1429 if (ifp->if_flags & IFF_DEBUG) { 1430 int i; 1431 struct tulip_desc *txd; 1432 printf(" txsoft %p transmit chain:\n", txs); 1433 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1434 txd = &sc->sc_txdescs[i]; 1435 printf(" descriptor %d:\n", i); 1436 printf(" td_status: 0x%08x\n", 1437 le32toh(txd->td_status)); 1438 printf(" td_ctl: 0x%08x\n", 1439 le32toh(txd->td_ctl)); 1440 printf(" td_bufaddr1: 0x%08x\n", 1441 le32toh(txd->td_bufaddr1)); 1442 printf(" td_bufaddr2: 0x%08x\n", 1443 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1444 if (i == txs->txs_lastdesc) 1445 break; 1446 } 1447 } 1448 #endif 1449 1450 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1451 if (txstat & TDSTAT_OWN) 1452 break; 1453 1454 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 1455 1456 sc->sc_txfree += txs->txs_ndescs; 1457 1458 if (txs->txs_mbuf == NULL) { 1459 /* 1460 * If we didn't have an mbuf, it was the setup 1461 * packet. 1462 */ 1463 #ifdef DIAGNOSTIC 1464 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1465 panic("tlp_txintr: null mbuf, not doing setup"); 1466 #endif 1467 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1468 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1469 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1470 continue; 1471 } 1472 1473 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1474 0, txs->txs_dmamap->dm_mapsize, 1475 BUS_DMASYNC_POSTWRITE); 1476 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1477 m_freem(txs->txs_mbuf); 1478 txs->txs_mbuf = NULL; 1479 1480 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1481 1482 /* 1483 * Check for errors and collisions. 1484 */ 1485 #ifdef TLP_STATS 1486 if (txstat & TDSTAT_Tx_UF) 1487 sc->sc_stats.ts_tx_uf++; 1488 if (txstat & TDSTAT_Tx_TO) 1489 sc->sc_stats.ts_tx_to++; 1490 if (txstat & TDSTAT_Tx_EC) 1491 sc->sc_stats.ts_tx_ec++; 1492 if (txstat & TDSTAT_Tx_LC) 1493 sc->sc_stats.ts_tx_lc++; 1494 #endif 1495 1496 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1497 ifp->if_oerrors++; 1498 1499 if (txstat & TDSTAT_Tx_EC) 1500 ifp->if_collisions += 16; 1501 else 1502 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1503 if (txstat & TDSTAT_Tx_LC) 1504 ifp->if_collisions++; 1505 1506 ifp->if_opackets++; 1507 } 1508 1509 /* 1510 * If there are no more pending transmissions, cancel the watchdog 1511 * timer. 1512 */ 1513 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1514 ifp->if_timer = 0; 1515 1516 /* 1517 * If we have a receive filter setup pending, do it now. 1518 */ 1519 if (sc->sc_flags & TULIPF_WANT_SETUP) 1520 (*sc->sc_filter_setup)(sc); 1521 } 1522 1523 #ifdef TLP_STATS 1524 void 1525 tlp_print_stats(struct tulip_softc *sc) 1526 { 1527 1528 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1529 device_xname(sc->sc_dev), 1530 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1531 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1532 } 1533 #endif 1534 1535 /* 1536 * tlp_reset: 1537 * 1538 * Perform a soft reset on the Tulip. 1539 */ 1540 void 1541 tlp_reset(struct tulip_softc *sc) 1542 { 1543 int i; 1544 1545 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1546 1547 /* 1548 * Xircom, ASIX and Conexant clones don't bring themselves 1549 * out of reset automatically. 1550 * Instead, we have to wait at least 50 PCI cycles, and then 1551 * clear SWR. 1552 */ 1553 switch (sc->sc_chip) { 1554 case TULIP_CHIP_X3201_3: 1555 case TULIP_CHIP_AX88140: 1556 case TULIP_CHIP_AX88141: 1557 case TULIP_CHIP_RS7112: 1558 delay(10); 1559 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1560 break; 1561 default: 1562 break; 1563 } 1564 1565 for (i = 0; i < 1000; i++) { 1566 /* 1567 * Wait at least 50 PCI cycles for the reset to 1568 * complete before peeking at the Tulip again. 1569 * 10 uSec is a bit longer than 50 PCI cycles 1570 * (at 33MHz), but it doesn't hurt have the extra 1571 * wait. 1572 */ 1573 delay(10); 1574 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1575 break; 1576 } 1577 1578 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1579 aprint_error_dev(sc->sc_dev, "reset failed to complete\n"); 1580 1581 delay(1000); 1582 1583 /* 1584 * If the board has any GPIO reset sequences to issue, do them now. 1585 */ 1586 if (sc->sc_reset != NULL) 1587 (*sc->sc_reset)(sc); 1588 } 1589 1590 /* 1591 * tlp_init: [ ifnet interface function ] 1592 * 1593 * Initialize the interface. Must be called at splnet(). 1594 */ 1595 static int 1596 tlp_init(struct ifnet *ifp) 1597 { 1598 struct tulip_softc *sc = ifp->if_softc; 1599 struct tulip_txsoft *txs; 1600 struct tulip_rxsoft *rxs; 1601 int i, error = 0; 1602 1603 if ((error = tlp_enable(sc)) != 0) 1604 goto out; 1605 1606 /* 1607 * Cancel any pending I/O. 1608 */ 1609 tlp_stop(ifp, 0); 1610 1611 /* 1612 * Initialize `opmode' to 0, and call the pre-init routine, if 1613 * any. This is required because the 2114x and some of the 1614 * clones require that the media-related bits in `opmode' be 1615 * set before performing a soft-reset in order to get internal 1616 * chip pathways are correct. Yay! 1617 */ 1618 sc->sc_opmode = 0; 1619 if (sc->sc_preinit != NULL) 1620 (*sc->sc_preinit)(sc); 1621 1622 /* 1623 * Reset the Tulip to a known state. 1624 */ 1625 tlp_reset(sc); 1626 1627 /* 1628 * Initialize the BUSMODE register. 1629 */ 1630 sc->sc_busmode = BUSMODE_BAR; 1631 switch (sc->sc_chip) { 1632 case TULIP_CHIP_21140: 1633 case TULIP_CHIP_21140A: 1634 case TULIP_CHIP_21142: 1635 case TULIP_CHIP_21143: 1636 case TULIP_CHIP_82C115: 1637 case TULIP_CHIP_MX98725: 1638 /* 1639 * If we're allowed to do so, use Memory Read Line 1640 * and Memory Read Multiple. 1641 * 1642 * XXX Should we use Memory Write and Invalidate? 1643 */ 1644 if (sc->sc_flags & TULIPF_MRL) 1645 sc->sc_busmode |= BUSMODE_RLE; 1646 if (sc->sc_flags & TULIPF_MRM) 1647 sc->sc_busmode |= BUSMODE_RME; 1648 #if 0 1649 if (sc->sc_flags & TULIPF_MWI) 1650 sc->sc_busmode |= BUSMODE_WLE; 1651 #endif 1652 break; 1653 1654 case TULIP_CHIP_82C168: 1655 case TULIP_CHIP_82C169: 1656 sc->sc_busmode |= BUSMODE_PNIC_MBO; 1657 if (sc->sc_maxburst == 0) 1658 sc->sc_maxburst = 16; 1659 break; 1660 1661 case TULIP_CHIP_AX88140: 1662 case TULIP_CHIP_AX88141: 1663 if (sc->sc_maxburst == 0) 1664 sc->sc_maxburst = 16; 1665 break; 1666 1667 default: 1668 /* Nothing. */ 1669 break; 1670 } 1671 switch (sc->sc_cacheline) { 1672 default: 1673 /* 1674 * Note: We must *always* set these bits; a cache 1675 * alignment of 0 is RESERVED. 1676 */ 1677 case 8: 1678 sc->sc_busmode |= BUSMODE_CAL_8LW; 1679 break; 1680 case 16: 1681 sc->sc_busmode |= BUSMODE_CAL_16LW; 1682 break; 1683 case 32: 1684 sc->sc_busmode |= BUSMODE_CAL_32LW; 1685 break; 1686 } 1687 switch (sc->sc_maxburst) { 1688 case 1: 1689 sc->sc_busmode |= BUSMODE_PBL_1LW; 1690 break; 1691 case 2: 1692 sc->sc_busmode |= BUSMODE_PBL_2LW; 1693 break; 1694 case 4: 1695 sc->sc_busmode |= BUSMODE_PBL_4LW; 1696 break; 1697 case 8: 1698 sc->sc_busmode |= BUSMODE_PBL_8LW; 1699 break; 1700 case 16: 1701 sc->sc_busmode |= BUSMODE_PBL_16LW; 1702 break; 1703 case 32: 1704 sc->sc_busmode |= BUSMODE_PBL_32LW; 1705 break; 1706 default: 1707 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1708 break; 1709 } 1710 #if BYTE_ORDER == BIG_ENDIAN 1711 /* 1712 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1713 * support them, and even on ones that do, it doesn't 1714 * always work. So we always access descriptors with 1715 * little endian via htole32/le32toh. 1716 */ 1717 #endif 1718 /* 1719 * Big-endian bus requires BUSMODE_BLE anyway. 1720 * Also, BUSMODE_DBO is needed because we assume 1721 * descriptors are little endian. 1722 */ 1723 if (sc->sc_flags & TULIPF_BLE) 1724 sc->sc_busmode |= BUSMODE_BLE; 1725 if (sc->sc_flags & TULIPF_DBO) 1726 sc->sc_busmode |= BUSMODE_DBO; 1727 1728 /* 1729 * Some chips have a broken bus interface. 1730 */ 1731 switch (sc->sc_chip) { 1732 case TULIP_CHIP_DM9102: 1733 case TULIP_CHIP_DM9102A: 1734 sc->sc_busmode = 0; 1735 break; 1736 1737 default: 1738 /* Nothing. */ 1739 break; 1740 } 1741 1742 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1743 1744 /* 1745 * Initialize the OPMODE register. We don't write it until 1746 * we're ready to begin the transmit and receive processes. 1747 * 1748 * Media-related OPMODE bits are set in the media callbacks 1749 * for each specific chip/board. 1750 */ 1751 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1752 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1753 1754 /* 1755 * Magical mystery initialization on the Macronix chips. 1756 * The MX98713 uses its own magic value, the rest share 1757 * a common one. 1758 */ 1759 switch (sc->sc_chip) { 1760 case TULIP_CHIP_MX98713: 1761 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1762 break; 1763 1764 case TULIP_CHIP_MX98713A: 1765 case TULIP_CHIP_MX98715: 1766 case TULIP_CHIP_MX98715A: 1767 case TULIP_CHIP_MX98715AEC_X: 1768 case TULIP_CHIP_MX98725: 1769 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1770 break; 1771 1772 default: 1773 /* Nothing. */ 1774 break; 1775 } 1776 1777 /* 1778 * Initialize the transmit descriptor ring. 1779 */ 1780 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1781 for (i = 0; i < TULIP_NTXDESC; i++) { 1782 struct tulip_desc *txd = &sc->sc_txdescs[i]; 1783 txd->td_ctl = htole32(sc->sc_tdctl_ch); 1784 txd->td_bufaddr2 = htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1785 } 1786 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1787 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1788 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1789 sc->sc_txfree = TULIP_NTXDESC; 1790 sc->sc_txnext = 0; 1791 1792 /* 1793 * Initialize the transmit job descriptors. 1794 */ 1795 SIMPLEQ_INIT(&sc->sc_txfreeq); 1796 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1797 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1798 txs = &sc->sc_txsoft[i]; 1799 txs->txs_mbuf = NULL; 1800 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1801 } 1802 1803 /* 1804 * Initialize the receive descriptor and receive job 1805 * descriptor rings. 1806 */ 1807 for (i = 0; i < TULIP_NRXDESC; i++) { 1808 rxs = &sc->sc_rxsoft[i]; 1809 if (rxs->rxs_mbuf == NULL) { 1810 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1811 aprint_error_dev(sc->sc_dev, "unable to allocate or map rx " 1812 "buffer %d, error = %d\n", 1813 i, error); 1814 /* 1815 * XXX Should attempt to run with fewer receive 1816 * XXX buffers instead of just failing. 1817 */ 1818 tlp_rxdrain(sc); 1819 goto out; 1820 } 1821 } else 1822 TULIP_INIT_RXDESC(sc, i); 1823 } 1824 sc->sc_rxptr = 0; 1825 1826 /* 1827 * Initialize the interrupt mask and enable interrupts. 1828 */ 1829 /* normal interrupts */ 1830 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1831 1832 /* abnormal interrupts */ 1833 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1834 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1835 1836 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1837 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1838 1839 switch (sc->sc_chip) { 1840 case TULIP_CHIP_WB89C840F: 1841 /* 1842 * Clear bits that we don't want that happen to 1843 * overlap or don't exist. 1844 */ 1845 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1846 break; 1847 1848 default: 1849 /* Nothing. */ 1850 break; 1851 } 1852 1853 sc->sc_rxint_mask &= sc->sc_inten; 1854 sc->sc_txint_mask &= sc->sc_inten; 1855 1856 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1857 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1858 1859 /* 1860 * Give the transmit and receive rings to the Tulip. 1861 */ 1862 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1863 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1864 1865 /* 1866 * On chips that do this differently, set the station address. 1867 */ 1868 switch (sc->sc_chip) { 1869 case TULIP_CHIP_WB89C840F: 1870 { 1871 /* XXX Do this with stream writes? */ 1872 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1873 1874 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1875 bus_space_write_1(sc->sc_st, sc->sc_sh, 1876 cpa + i, CLLADDR(ifp->if_sadl)[i]); 1877 } 1878 break; 1879 } 1880 1881 case TULIP_CHIP_AL981: 1882 case TULIP_CHIP_AN983: 1883 case TULIP_CHIP_AN985: 1884 { 1885 uint32_t reg; 1886 const uint8_t *enaddr = CLLADDR(ifp->if_sadl); 1887 1888 reg = enaddr[0] | 1889 (enaddr[1] << 8) | 1890 (enaddr[2] << 16) | 1891 (enaddr[3] << 24); 1892 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1893 1894 reg = enaddr[4] | 1895 (enaddr[5] << 8); 1896 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1897 break; 1898 } 1899 1900 case TULIP_CHIP_AX88140: 1901 case TULIP_CHIP_AX88141: 1902 { 1903 uint32_t reg; 1904 const uint8_t *enaddr = CLLADDR(ifp->if_sadl); 1905 1906 reg = enaddr[0] | 1907 (enaddr[1] << 8) | 1908 (enaddr[2] << 16) | 1909 (enaddr[3] << 24); 1910 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); 1911 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1912 1913 reg = enaddr[4] | (enaddr[5] << 8); 1914 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); 1915 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); 1916 break; 1917 } 1918 1919 default: 1920 /* Nothing. */ 1921 break; 1922 } 1923 1924 /* 1925 * Set the receive filter. This will start the transmit and 1926 * receive processes. 1927 */ 1928 (*sc->sc_filter_setup)(sc); 1929 1930 /* 1931 * Set the current media. 1932 */ 1933 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1934 1935 /* 1936 * Start the receive process. 1937 */ 1938 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1939 1940 if (sc->sc_tick != NULL) { 1941 /* Start the one second clock. */ 1942 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); 1943 } 1944 1945 /* 1946 * Note that the interface is now running. 1947 */ 1948 ifp->if_flags |= IFF_RUNNING; 1949 ifp->if_flags &= ~IFF_OACTIVE; 1950 sc->sc_if_flags = ifp->if_flags; 1951 1952 out: 1953 if (error) { 1954 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1955 ifp->if_timer = 0; 1956 printf("%s: interface not running\n", device_xname(sc->sc_dev)); 1957 } 1958 return (error); 1959 } 1960 1961 /* 1962 * tlp_enable: 1963 * 1964 * Enable the Tulip chip. 1965 */ 1966 static int 1967 tlp_enable(struct tulip_softc *sc) 1968 { 1969 1970 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1971 if ((*sc->sc_enable)(sc) != 0) { 1972 aprint_error_dev(sc->sc_dev, "device enable failed\n"); 1973 return (EIO); 1974 } 1975 sc->sc_flags |= TULIPF_ENABLED; 1976 } 1977 return (0); 1978 } 1979 1980 /* 1981 * tlp_disable: 1982 * 1983 * Disable the Tulip chip. 1984 */ 1985 static void 1986 tlp_disable(struct tulip_softc *sc) 1987 { 1988 1989 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1990 (*sc->sc_disable)(sc); 1991 sc->sc_flags &= ~TULIPF_ENABLED; 1992 } 1993 } 1994 1995 /* 1996 * tlp_rxdrain: 1997 * 1998 * Drain the receive queue. 1999 */ 2000 static void 2001 tlp_rxdrain(struct tulip_softc *sc) 2002 { 2003 struct tulip_rxsoft *rxs; 2004 int i; 2005 2006 for (i = 0; i < TULIP_NRXDESC; i++) { 2007 rxs = &sc->sc_rxsoft[i]; 2008 if (rxs->rxs_mbuf != NULL) { 2009 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2010 m_freem(rxs->rxs_mbuf); 2011 rxs->rxs_mbuf = NULL; 2012 } 2013 } 2014 } 2015 2016 /* 2017 * tlp_stop: [ ifnet interface function ] 2018 * 2019 * Stop transmission on the interface. 2020 */ 2021 static void 2022 tlp_stop(struct ifnet *ifp, int disable) 2023 { 2024 struct tulip_softc *sc = ifp->if_softc; 2025 struct tulip_txsoft *txs; 2026 2027 if (sc->sc_tick != NULL) { 2028 /* Stop the one second clock. */ 2029 callout_stop(&sc->sc_tick_callout); 2030 } 2031 2032 if (sc->sc_flags & TULIPF_HAS_MII) { 2033 /* Down the MII. */ 2034 mii_down(&sc->sc_mii); 2035 } 2036 2037 /* Disable interrupts. */ 2038 TULIP_WRITE(sc, CSR_INTEN, 0); 2039 2040 /* Stop the transmit and receive processes. */ 2041 sc->sc_opmode = 0; 2042 TULIP_WRITE(sc, CSR_OPMODE, 0); 2043 TULIP_WRITE(sc, CSR_RXLIST, 0); 2044 TULIP_WRITE(sc, CSR_TXLIST, 0); 2045 2046 /* 2047 * Release any queued transmit buffers. 2048 */ 2049 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 2050 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); 2051 if (txs->txs_mbuf != NULL) { 2052 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 2053 m_freem(txs->txs_mbuf); 2054 txs->txs_mbuf = NULL; 2055 } 2056 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 2057 } 2058 2059 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2060 2061 /* 2062 * Mark the interface down and cancel the watchdog timer. 2063 */ 2064 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2065 sc->sc_if_flags = ifp->if_flags; 2066 ifp->if_timer = 0; 2067 2068 /* 2069 * Reset the chip (needed on some flavors to actually disable it). 2070 */ 2071 tlp_reset(sc); 2072 2073 if (disable) { 2074 tlp_rxdrain(sc); 2075 tlp_disable(sc); 2076 } 2077 } 2078 2079 #define SROM_EMIT(sc, x) \ 2080 do { \ 2081 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2082 delay(2); \ 2083 } while (0) 2084 2085 /* 2086 * tlp_srom_idle: 2087 * 2088 * Put the SROM in idle state. 2089 */ 2090 static void 2091 tlp_srom_idle(struct tulip_softc *sc) 2092 { 2093 uint32_t miirom; 2094 int i; 2095 2096 miirom = MIIROM_SR; 2097 SROM_EMIT(sc, miirom); 2098 2099 miirom |= MIIROM_RD; 2100 SROM_EMIT(sc, miirom); 2101 2102 miirom |= MIIROM_SROMCS; 2103 SROM_EMIT(sc, miirom); 2104 2105 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2106 2107 /* Strobe the clock 32 times. */ 2108 for (i = 0; i < 32; i++) { 2109 SROM_EMIT(sc, miirom); 2110 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2111 } 2112 2113 SROM_EMIT(sc, miirom); 2114 2115 miirom &= ~MIIROM_SROMCS; 2116 SROM_EMIT(sc, miirom); 2117 2118 SROM_EMIT(sc, 0); 2119 } 2120 2121 /* 2122 * tlp_srom_size: 2123 * 2124 * Determine the number of address bits in the SROM. 2125 */ 2126 static int 2127 tlp_srom_size(struct tulip_softc *sc) 2128 { 2129 uint32_t miirom; 2130 int x; 2131 2132 /* Select the SROM. */ 2133 miirom = MIIROM_SR; 2134 SROM_EMIT(sc, miirom); 2135 2136 miirom |= MIIROM_RD; 2137 SROM_EMIT(sc, miirom); 2138 2139 /* Send CHIP SELECT for one clock tick. */ 2140 miirom |= MIIROM_SROMCS; 2141 SROM_EMIT(sc, miirom); 2142 2143 /* Shift in the READ opcode. */ 2144 for (x = 3; x > 0; x--) { 2145 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2146 miirom |= MIIROM_SROMDI; 2147 else 2148 miirom &= ~MIIROM_SROMDI; 2149 SROM_EMIT(sc, miirom); 2150 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2151 SROM_EMIT(sc, miirom); 2152 } 2153 2154 /* Shift in address and look for dummy 0 bit. */ 2155 for (x = 1; x <= 12; x++) { 2156 miirom &= ~MIIROM_SROMDI; 2157 SROM_EMIT(sc, miirom); 2158 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2159 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2160 break; 2161 SROM_EMIT(sc, miirom); 2162 } 2163 2164 /* Clear CHIP SELECT. */ 2165 miirom &= ~MIIROM_SROMCS; 2166 SROM_EMIT(sc, miirom); 2167 2168 /* Deselect the SROM. */ 2169 SROM_EMIT(sc, 0); 2170 2171 if (x < 4 || x > 12) { 2172 aprint_debug_dev(sc->sc_dev, "broken MicroWire interface detected; " 2173 "setting SROM size to 1Kb\n"); 2174 return (6); 2175 } else { 2176 if (tlp_srom_debug) 2177 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2178 device_xname(sc->sc_dev), x, (1 << (x + 4)) >> 3); 2179 return (x); 2180 } 2181 } 2182 2183 /* 2184 * tlp_read_srom: 2185 * 2186 * Read the Tulip SROM. 2187 */ 2188 int 2189 tlp_read_srom(struct tulip_softc *sc) 2190 { 2191 int size; 2192 uint32_t miirom; 2193 uint16_t datain; 2194 int i, x; 2195 2196 tlp_srom_idle(sc); 2197 2198 sc->sc_srom_addrbits = tlp_srom_size(sc); 2199 if (sc->sc_srom_addrbits == 0) 2200 return (0); 2201 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2202 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2203 2204 /* Select the SROM. */ 2205 miirom = MIIROM_SR; 2206 SROM_EMIT(sc, miirom); 2207 2208 miirom |= MIIROM_RD; 2209 SROM_EMIT(sc, miirom); 2210 2211 for (i = 0; i < size; i += 2) { 2212 /* Send CHIP SELECT for one clock tick. */ 2213 miirom |= MIIROM_SROMCS; 2214 SROM_EMIT(sc, miirom); 2215 2216 /* Shift in the READ opcode. */ 2217 for (x = 3; x > 0; x--) { 2218 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2219 miirom |= MIIROM_SROMDI; 2220 else 2221 miirom &= ~MIIROM_SROMDI; 2222 SROM_EMIT(sc, miirom); 2223 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2224 SROM_EMIT(sc, miirom); 2225 } 2226 2227 /* Shift in address. */ 2228 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2229 if (i & (1 << x)) 2230 miirom |= MIIROM_SROMDI; 2231 else 2232 miirom &= ~MIIROM_SROMDI; 2233 SROM_EMIT(sc, miirom); 2234 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2235 SROM_EMIT(sc, miirom); 2236 } 2237 2238 /* Shift out data. */ 2239 miirom &= ~MIIROM_SROMDI; 2240 datain = 0; 2241 for (x = 16; x > 0; x--) { 2242 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2243 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2244 datain |= (1 << (x - 1)); 2245 SROM_EMIT(sc, miirom); 2246 } 2247 sc->sc_srom[i] = datain & 0xff; 2248 sc->sc_srom[i + 1] = datain >> 8; 2249 2250 /* Clear CHIP SELECT. */ 2251 miirom &= ~MIIROM_SROMCS; 2252 SROM_EMIT(sc, miirom); 2253 } 2254 2255 /* Deselect the SROM. */ 2256 SROM_EMIT(sc, 0); 2257 2258 /* ...and idle it. */ 2259 tlp_srom_idle(sc); 2260 2261 if (tlp_srom_debug) { 2262 printf("SROM CONTENTS:"); 2263 for (i = 0; i < size; i++) { 2264 if ((i % 8) == 0) 2265 printf("\n\t"); 2266 printf("0x%02x ", sc->sc_srom[i]); 2267 } 2268 printf("\n"); 2269 } 2270 2271 return (1); 2272 } 2273 2274 #undef SROM_EMIT 2275 2276 /* 2277 * tlp_add_rxbuf: 2278 * 2279 * Add a receive buffer to the indicated descriptor. 2280 */ 2281 static int 2282 tlp_add_rxbuf(struct tulip_softc *sc, int idx) 2283 { 2284 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2285 struct mbuf *m; 2286 int error; 2287 2288 MGETHDR(m, M_DONTWAIT, MT_DATA); 2289 if (m == NULL) 2290 return (ENOBUFS); 2291 2292 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); 2293 MCLGET(m, M_DONTWAIT); 2294 if ((m->m_flags & M_EXT) == 0) { 2295 m_freem(m); 2296 return (ENOBUFS); 2297 } 2298 2299 if (rxs->rxs_mbuf != NULL) 2300 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2301 2302 rxs->rxs_mbuf = m; 2303 2304 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2305 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, 2306 BUS_DMA_READ|BUS_DMA_NOWAIT); 2307 if (error) { 2308 aprint_error_dev(sc->sc_dev, "can't load rx DMA map %d, error = %d\n", 2309 idx, error); 2310 panic("tlp_add_rxbuf"); /* XXX */ 2311 } 2312 2313 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2314 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2315 2316 TULIP_INIT_RXDESC(sc, idx); 2317 2318 return (0); 2319 } 2320 2321 /* 2322 * tlp_srom_crcok: 2323 * 2324 * Check the CRC of the Tulip SROM. 2325 */ 2326 int 2327 tlp_srom_crcok(const uint8_t *romdata) 2328 { 2329 uint32_t crc; 2330 2331 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); 2332 crc = (crc & 0xffff) ^ 0xffff; 2333 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2334 return (1); 2335 2336 /* 2337 * Try an alternate checksum. 2338 */ 2339 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2340 crc = (crc & 0xffff) ^ 0xffff; 2341 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2342 return (1); 2343 2344 return (0); 2345 } 2346 2347 /* 2348 * tlp_isv_srom: 2349 * 2350 * Check to see if the SROM is in the new standardized format. 2351 */ 2352 int 2353 tlp_isv_srom(const uint8_t *romdata) 2354 { 2355 int i; 2356 uint16_t cksum; 2357 2358 if (tlp_srom_crcok(romdata)) { 2359 /* 2360 * SROM CRC checks out; must be in the new format. 2361 */ 2362 return (1); 2363 } 2364 2365 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2366 if (cksum == 0xffff || cksum == 0) { 2367 /* 2368 * No checksum present. Check the SROM ID; 18 bytes of 0 2369 * followed by 1 (version) followed by the number of 2370 * adapters which use this SROM (should be non-zero). 2371 */ 2372 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2373 if (romdata[i] != 0) 2374 return (0); 2375 } 2376 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2377 return (0); 2378 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2379 return (0); 2380 return (1); 2381 } 2382 2383 return (0); 2384 } 2385 2386 /* 2387 * tlp_isv_srom_enaddr: 2388 * 2389 * Get the Ethernet address from an ISV SROM. 2390 */ 2391 int 2392 tlp_isv_srom_enaddr(struct tulip_softc *sc, uint8_t *enaddr) 2393 { 2394 int i, devcnt; 2395 2396 if (tlp_isv_srom(sc->sc_srom) == 0) 2397 return (0); 2398 2399 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2400 for (i = 0; i < devcnt; i++) { 2401 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2402 break; 2403 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2404 sc->sc_devno) 2405 break; 2406 } 2407 2408 if (i == devcnt) 2409 return (0); 2410 2411 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2412 ETHER_ADDR_LEN); 2413 enaddr[5] += i; 2414 2415 return (1); 2416 } 2417 2418 /* 2419 * tlp_parse_old_srom: 2420 * 2421 * Parse old-format SROMs. 2422 * 2423 * This routine is largely lifted from Matt Thomas's `de' driver. 2424 */ 2425 int 2426 tlp_parse_old_srom(struct tulip_softc *sc, uint8_t *enaddr) 2427 { 2428 static const uint8_t testpat[] = 2429 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2430 int i; 2431 uint32_t cksum; 2432 2433 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2434 /* 2435 * Phobos G100 interfaces have the address at 2436 * offsets 0 and 20, but each pair of bytes is 2437 * swapped. 2438 */ 2439 if (sc->sc_srom_addrbits == 6 && 2440 sc->sc_srom[1] == 0x00 && 2441 sc->sc_srom[0] == 0x60 && 2442 sc->sc_srom[3] == 0xf5 && 2443 memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) { 2444 for (i = 0; i < 6; i += 2) { 2445 enaddr[i] = sc->sc_srom[i + 1]; 2446 enaddr[i + 1] = sc->sc_srom[i]; 2447 } 2448 return (1); 2449 } 2450 2451 /* 2452 * Phobos G130/G160 interfaces have the address at 2453 * offsets 20 and 84, but each pair of bytes is 2454 * swapped. 2455 */ 2456 if (sc->sc_srom_addrbits == 6 && 2457 sc->sc_srom[21] == 0x00 && 2458 sc->sc_srom[20] == 0x60 && 2459 sc->sc_srom[23] == 0xf5 && 2460 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { 2461 for (i = 0; i < 6; i += 2) { 2462 enaddr[i] = sc->sc_srom[20 + i + 1]; 2463 enaddr[i + 1] = sc->sc_srom[20 + i]; 2464 } 2465 return (1); 2466 } 2467 2468 /* 2469 * Cobalt Networks interfaces simply have the address 2470 * in the first six bytes. The rest is zeroed out 2471 * on some models, but others contain unknown data. 2472 */ 2473 if (sc->sc_srom[0] == 0x00 && 2474 sc->sc_srom[1] == 0x10 && 2475 sc->sc_srom[2] == 0xe0) { 2476 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2477 return (1); 2478 } 2479 2480 /* 2481 * Some vendors (e.g. ZNYX) don't use the standard 2482 * DEC Address ROM format, but rather just have an 2483 * Ethernet address in the first 6 bytes, maybe a 2484 * 2 byte checksum, and then all 0xff's. 2485 */ 2486 for (i = 8; i < 32; i++) { 2487 if (sc->sc_srom[i] != 0xff && 2488 sc->sc_srom[i] != 0) 2489 return (0); 2490 } 2491 2492 /* 2493 * Sanity check the Ethernet address: 2494 * 2495 * - Make sure it's not multicast or locally 2496 * assigned 2497 * - Make sure it has a non-0 OUI 2498 */ 2499 if (sc->sc_srom[0] & 3) 2500 return (0); 2501 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2502 sc->sc_srom[2] == 0) 2503 return (0); 2504 2505 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2506 return (1); 2507 } 2508 2509 /* 2510 * Standard DEC Address ROM test. 2511 */ 2512 2513 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2514 return (0); 2515 2516 for (i = 0; i < 8; i++) { 2517 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2518 return (0); 2519 } 2520 2521 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2522 2523 cksum = *(uint16_t *) &enaddr[0]; 2524 2525 cksum <<= 1; 2526 if (cksum > 0xffff) 2527 cksum -= 0xffff; 2528 2529 cksum += *(uint16_t *) &enaddr[2]; 2530 if (cksum > 0xffff) 2531 cksum -= 0xffff; 2532 2533 cksum <<= 1; 2534 if (cksum > 0xffff) 2535 cksum -= 0xffff; 2536 2537 cksum += *(uint16_t *) &enaddr[4]; 2538 if (cksum >= 0xffff) 2539 cksum -= 0xffff; 2540 2541 if (cksum != *(uint16_t *) &sc->sc_srom[6]) 2542 return (0); 2543 2544 return (1); 2545 } 2546 2547 /* 2548 * tlp_filter_setup: 2549 * 2550 * Set the Tulip's receive filter. 2551 */ 2552 static void 2553 tlp_filter_setup(struct tulip_softc *sc) 2554 { 2555 struct ethercom *ec = &sc->sc_ethercom; 2556 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2557 struct ether_multi *enm; 2558 struct ether_multistep step; 2559 volatile uint32_t *sp; 2560 struct tulip_txsoft *txs; 2561 struct tulip_desc *txd; 2562 uint8_t enaddr[ETHER_ADDR_LEN]; 2563 uint32_t hash, hashsize; 2564 int cnt, nexttx; 2565 2566 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2567 device_xname(sc->sc_dev), sc->sc_flags)); 2568 2569 memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2570 2571 /* 2572 * If there are transmissions pending, wait until they have 2573 * completed. 2574 */ 2575 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || 2576 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2577 sc->sc_flags |= TULIPF_WANT_SETUP; 2578 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2579 device_xname(sc->sc_dev))); 2580 return; 2581 } 2582 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2583 2584 switch (sc->sc_chip) { 2585 case TULIP_CHIP_82C115: 2586 hashsize = TULIP_PNICII_HASHSIZE; 2587 break; 2588 2589 default: 2590 hashsize = TULIP_MCHASHSIZE; 2591 } 2592 2593 /* 2594 * If we're running, idle the transmit and receive engines. If 2595 * we're NOT running, we're being called from tlp_init(), and our 2596 * writing OPMODE will start the transmit and receive processes 2597 * in motion. 2598 */ 2599 if (ifp->if_flags & IFF_RUNNING) 2600 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2601 2602 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2603 2604 if (ifp->if_flags & IFF_PROMISC) { 2605 sc->sc_opmode |= OPMODE_PR; 2606 goto allmulti; 2607 } 2608 2609 /* 2610 * Try Perfect filtering first. 2611 */ 2612 2613 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2614 sp = TULIP_CDSP(sc); 2615 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2616 cnt = 0; 2617 ETHER_FIRST_MULTI(step, ec, enm); 2618 while (enm != NULL) { 2619 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2620 /* 2621 * We must listen to a range of multicast addresses. 2622 * For now, just accept all multicasts, rather than 2623 * trying to set only those filter bits needed to match 2624 * the range. (At this time, the only use of address 2625 * ranges is for IP multicast routing, for which the 2626 * range is big enough to require all bits set.) 2627 */ 2628 goto allmulti; 2629 } 2630 if (cnt == (TULIP_MAXADDRS - 2)) { 2631 /* 2632 * We already have our multicast limit (still need 2633 * our station address and broadcast). Go to 2634 * Hash-Perfect mode. 2635 */ 2636 goto hashperfect; 2637 } 2638 cnt++; 2639 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 0)); 2640 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 1)); 2641 *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 2)); 2642 ETHER_NEXT_MULTI(step, enm); 2643 } 2644 2645 if (ifp->if_flags & IFF_BROADCAST) { 2646 /* ...and the broadcast address. */ 2647 cnt++; 2648 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2649 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2650 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2651 } 2652 2653 /* Pad the rest with our station address. */ 2654 for (; cnt < TULIP_MAXADDRS; cnt++) { 2655 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2656 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2657 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2658 } 2659 ifp->if_flags &= ~IFF_ALLMULTI; 2660 goto setit; 2661 2662 hashperfect: 2663 /* 2664 * Try Hash-Perfect mode. 2665 */ 2666 2667 /* 2668 * Some 21140 chips have broken Hash-Perfect modes. On these 2669 * chips, we simply use Hash-Only mode, and put our station 2670 * address into the filter. 2671 */ 2672 if (sc->sc_chip == TULIP_CHIP_21140) 2673 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2674 else 2675 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2676 sp = TULIP_CDSP(sc); 2677 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2678 ETHER_FIRST_MULTI(step, ec, enm); 2679 while (enm != NULL) { 2680 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2681 /* 2682 * We must listen to a range of multicast addresses. 2683 * For now, just accept all multicasts, rather than 2684 * trying to set only those filter bits needed to match 2685 * the range. (At this time, the only use of address 2686 * ranges is for IP multicast routing, for which the 2687 * range is big enough to require all bits set.) 2688 */ 2689 goto allmulti; 2690 } 2691 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2692 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2693 ETHER_NEXT_MULTI(step, enm); 2694 } 2695 2696 if (ifp->if_flags & IFF_BROADCAST) { 2697 /* ...and the broadcast address. */ 2698 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2699 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2700 } 2701 2702 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2703 /* ...and our station address. */ 2704 hash = tlp_mchash(enaddr, hashsize); 2705 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2706 } else { 2707 /* 2708 * Hash-Perfect mode; put our station address after 2709 * the hash table. 2710 */ 2711 sp[39] = htole32(TULIP_SP_FIELD(enaddr, 0)); 2712 sp[40] = htole32(TULIP_SP_FIELD(enaddr, 1)); 2713 sp[41] = htole32(TULIP_SP_FIELD(enaddr, 2)); 2714 } 2715 ifp->if_flags &= ~IFF_ALLMULTI; 2716 goto setit; 2717 2718 allmulti: 2719 /* 2720 * Use Perfect filter mode. First address is the broadcast address, 2721 * and pad the rest with our station address. We'll set Pass-all- 2722 * multicast in OPMODE below. 2723 */ 2724 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2725 sp = TULIP_CDSP(sc); 2726 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2727 cnt = 0; 2728 if (ifp->if_flags & IFF_BROADCAST) { 2729 cnt++; 2730 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2731 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2732 *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); 2733 } 2734 for (; cnt < TULIP_MAXADDRS; cnt++) { 2735 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); 2736 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); 2737 *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); 2738 } 2739 ifp->if_flags |= IFF_ALLMULTI; 2740 2741 setit: 2742 if (ifp->if_flags & IFF_ALLMULTI) 2743 sc->sc_opmode |= OPMODE_PM; 2744 2745 /* Sync the setup packet buffer. */ 2746 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2747 2748 /* 2749 * Fill in the setup packet descriptor. 2750 */ 2751 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2752 2753 txs->txs_firstdesc = sc->sc_txnext; 2754 txs->txs_lastdesc = sc->sc_txnext; 2755 txs->txs_ndescs = 1; 2756 txs->txs_mbuf = NULL; 2757 2758 nexttx = sc->sc_txnext; 2759 txd = &sc->sc_txdescs[nexttx]; 2760 txd->td_status = 0; 2761 txd->td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); 2762 txd->td_ctl = htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2763 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | 2764 TDCTL_Tx_IC | sc->sc_tdctl_ch | 2765 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2766 TULIP_CDTXSYNC(sc, nexttx, 1, 2767 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2768 2769 #ifdef TLP_DEBUG 2770 if (ifp->if_flags & IFF_DEBUG) { 2771 printf(" filter_setup %p transmit chain:\n", txs); 2772 printf(" descriptor %d:\n", nexttx); 2773 printf(" td_status: 0x%08x\n", le32toh(txd->td_status)); 2774 printf(" td_ctl: 0x%08x\n", le32toh(txd->td_ctl)); 2775 printf(" td_bufaddr1: 0x%08x\n", 2776 le32toh(txd->td_bufaddr1)); 2777 printf(" td_bufaddr2: 0x%08x\n", 2778 le32toh(txd->td_bufaddr2)); 2779 } 2780 #endif 2781 2782 txd->td_status = htole32(TDSTAT_OWN); 2783 TULIP_CDTXSYNC(sc, nexttx, 1, 2784 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2785 2786 /* Advance the tx pointer. */ 2787 sc->sc_txfree -= 1; 2788 sc->sc_txnext = TULIP_NEXTTX(nexttx); 2789 2790 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); 2791 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2792 2793 /* 2794 * Set the OPMODE register. This will also resume the 2795 * transmit process we idled above. 2796 */ 2797 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2798 2799 sc->sc_flags |= TULIPF_DOING_SETUP; 2800 2801 /* 2802 * Kick the transmitter; this will cause the Tulip to 2803 * read the setup descriptor. 2804 */ 2805 /* XXX USE AUTOPOLLING? */ 2806 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2807 2808 /* Set up a watchdog timer in case the chip flakes out. */ 2809 ifp->if_timer = 5; 2810 2811 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", device_xname(sc->sc_dev))); 2812 } 2813 2814 /* 2815 * tlp_winb_filter_setup: 2816 * 2817 * Set the Winbond 89C840F's receive filter. 2818 */ 2819 static void 2820 tlp_winb_filter_setup(struct tulip_softc *sc) 2821 { 2822 struct ethercom *ec = &sc->sc_ethercom; 2823 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2824 struct ether_multi *enm; 2825 struct ether_multistep step; 2826 uint32_t hash, mchash[2]; 2827 2828 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2829 device_xname(sc->sc_dev), sc->sc_flags)); 2830 2831 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2832 2833 if (ifp->if_flags & IFF_MULTICAST) 2834 sc->sc_opmode |= OPMODE_WINB_AMP; 2835 2836 if (ifp->if_flags & IFF_BROADCAST) 2837 sc->sc_opmode |= OPMODE_WINB_ABP; 2838 2839 if (ifp->if_flags & IFF_PROMISC) { 2840 sc->sc_opmode |= OPMODE_WINB_APP; 2841 goto allmulti; 2842 } 2843 2844 mchash[0] = mchash[1] = 0; 2845 2846 ETHER_FIRST_MULTI(step, ec, enm); 2847 while (enm != NULL) { 2848 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2849 /* 2850 * We must listen to a range of multicast addresses. 2851 * For now, just accept all multicasts, rather than 2852 * trying to set only those filter bits needed to match 2853 * the range. (At this time, the only use of address 2854 * ranges is for IP multicast routing, for which the 2855 * range is big enough to require all bits set.) 2856 */ 2857 goto allmulti; 2858 } 2859 2860 /* 2861 * According to the FreeBSD `wb' driver, yes, you 2862 * really do invert the hash. 2863 */ 2864 hash = 2865 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2866 & 0x3f; 2867 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2868 ETHER_NEXT_MULTI(step, enm); 2869 } 2870 ifp->if_flags &= ~IFF_ALLMULTI; 2871 goto setit; 2872 2873 allmulti: 2874 ifp->if_flags |= IFF_ALLMULTI; 2875 mchash[0] = mchash[1] = 0xffffffff; 2876 2877 setit: 2878 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2879 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2880 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2881 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2882 device_xname(sc->sc_dev))); 2883 } 2884 2885 /* 2886 * tlp_al981_filter_setup: 2887 * 2888 * Set the ADMtek AL981's receive filter. 2889 */ 2890 static void 2891 tlp_al981_filter_setup(struct tulip_softc *sc) 2892 { 2893 struct ethercom *ec = &sc->sc_ethercom; 2894 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2895 struct ether_multi *enm; 2896 struct ether_multistep step; 2897 uint32_t hash, mchash[2]; 2898 2899 /* 2900 * If the chip is running, we need to reset the interface, 2901 * and will revisit here (with IFF_RUNNING) clear. The 2902 * chip seems to really not like to have its multicast 2903 * filter programmed without a reset. 2904 */ 2905 if (ifp->if_flags & IFF_RUNNING) { 2906 (void) tlp_init(ifp); 2907 return; 2908 } 2909 2910 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2911 device_xname(sc->sc_dev), sc->sc_flags)); 2912 2913 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2914 2915 if (ifp->if_flags & IFF_PROMISC) { 2916 sc->sc_opmode |= OPMODE_PR; 2917 goto allmulti; 2918 } 2919 2920 mchash[0] = mchash[1] = 0; 2921 2922 ETHER_FIRST_MULTI(step, ec, enm); 2923 while (enm != NULL) { 2924 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2925 /* 2926 * We must listen to a range of multicast addresses. 2927 * For now, just accept all multicasts, rather than 2928 * trying to set only those filter bits needed to match 2929 * the range. (At this time, the only use of address 2930 * ranges is for IP multicast routing, for which the 2931 * range is big enough to require all bits set.) 2932 */ 2933 goto allmulti; 2934 } 2935 2936 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; 2937 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2938 ETHER_NEXT_MULTI(step, enm); 2939 } 2940 ifp->if_flags &= ~IFF_ALLMULTI; 2941 goto setit; 2942 2943 allmulti: 2944 ifp->if_flags |= IFF_ALLMULTI; 2945 mchash[0] = mchash[1] = 0xffffffff; 2946 2947 setit: 2948 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); 2949 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); 2950 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2951 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2952 device_xname(sc->sc_dev))); 2953 } 2954 2955 /* 2956 * tlp_asix_filter_setup: 2957 * 2958 * Set the ASIX AX8814x recieve filter. 2959 */ 2960 static void 2961 tlp_asix_filter_setup(struct tulip_softc *sc) 2962 { 2963 struct ethercom *ec = &sc->sc_ethercom; 2964 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2965 struct ether_multi *enm; 2966 struct ether_multistep step; 2967 uint32_t hash, mchash[2]; 2968 2969 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n", 2970 device_xname(sc->sc_dev), sc->sc_flags)); 2971 2972 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); 2973 2974 if (ifp->if_flags & IFF_MULTICAST) 2975 sc->sc_opmode |= OPMODE_PM; 2976 2977 if (ifp->if_flags & IFF_BROADCAST) 2978 sc->sc_opmode |= OPMODE_AX_RB; 2979 2980 if (ifp->if_flags & IFF_PROMISC) { 2981 sc->sc_opmode |= OPMODE_PR; 2982 goto allmulti; 2983 } 2984 2985 mchash[0] = mchash[1] = 0; 2986 2987 ETHER_FIRST_MULTI(step, ec, enm); 2988 while (enm != NULL) { 2989 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2990 /* 2991 * We must listen to a range of multicast addresses. 2992 * For now, just accept all multicasts, rather than 2993 * trying to set only those filter bits needed to match 2994 * the range. (At this time, the only use of address 2995 * ranges is for IP multicast routing, for which the 2996 * range is big enough to require all bits set.) 2997 */ 2998 goto allmulti; 2999 } 3000 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 3001 & 0x3f; 3002 if (hash < 32) 3003 mchash[0] |= (1 << hash); 3004 else 3005 mchash[1] |= (1 << (hash - 32)); 3006 ETHER_NEXT_MULTI(step, enm); 3007 } 3008 ifp->if_flags &= ~IFF_ALLMULTI; 3009 goto setit; 3010 3011 allmulti: 3012 ifp->if_flags |= IFF_ALLMULTI; 3013 mchash[0] = mchash[1] = 0xffffffff; 3014 3015 setit: 3016 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); 3017 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); 3018 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); 3019 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); 3020 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3021 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n", 3022 device_xname(sc->sc_dev))); 3023 } 3024 3025 3026 /* 3027 * tlp_idle: 3028 * 3029 * Cause the transmit and/or receive processes to go idle. 3030 */ 3031 void 3032 tlp_idle(struct tulip_softc *sc, uint32_t bits) 3033 { 3034 static const char * const tlp_tx_state_names[] = { 3035 "STOPPED", 3036 "RUNNING - FETCH", 3037 "RUNNING - WAIT", 3038 "RUNNING - READING", 3039 "-- RESERVED --", 3040 "RUNNING - SETUP", 3041 "SUSPENDED", 3042 "RUNNING - CLOSE", 3043 }; 3044 static const char * const tlp_rx_state_names[] = { 3045 "STOPPED", 3046 "RUNNING - FETCH", 3047 "RUNNING - CHECK", 3048 "RUNNING - WAIT", 3049 "SUSPENDED", 3050 "RUNNING - CLOSE", 3051 "RUNNING - FLUSH", 3052 "RUNNING - QUEUE", 3053 }; 3054 static const char * const dm9102_tx_state_names[] = { 3055 "STOPPED", 3056 "RUNNING - FETCH", 3057 "RUNNING - SETUP", 3058 "RUNNING - READING", 3059 "RUNNING - CLOSE - CLEAR OWNER", 3060 "RUNNING - WAIT", 3061 "RUNNING - CLOSE - WRITE STATUS", 3062 "SUSPENDED", 3063 }; 3064 static const char * const dm9102_rx_state_names[] = { 3065 "STOPPED", 3066 "RUNNING - FETCH", 3067 "RUNNING - WAIT", 3068 "RUNNING - QUEUE", 3069 "RUNNING - CLOSE - CLEAR OWNER", 3070 "RUNNING - CLOSE - WRITE STATUS", 3071 "SUSPENDED", 3072 "RUNNING - FLUSH", 3073 }; 3074 3075 const char * const *tx_state_names, * const *rx_state_names; 3076 uint32_t csr, ackmask = 0; 3077 int i; 3078 3079 switch (sc->sc_chip) { 3080 case TULIP_CHIP_DM9102: 3081 case TULIP_CHIP_DM9102A: 3082 tx_state_names = dm9102_tx_state_names; 3083 rx_state_names = dm9102_rx_state_names; 3084 break; 3085 3086 default: 3087 tx_state_names = tlp_tx_state_names; 3088 rx_state_names = tlp_rx_state_names; 3089 break; 3090 } 3091 3092 if (bits & OPMODE_ST) 3093 ackmask |= STATUS_TPS; 3094 3095 if (bits & OPMODE_SR) 3096 ackmask |= STATUS_RPS; 3097 3098 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 3099 3100 for (i = 0; i < 1000; i++) { 3101 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 3102 break; 3103 delay(10); 3104 } 3105 3106 csr = TULIP_READ(sc, CSR_STATUS); 3107 if ((csr & ackmask) != ackmask) { 3108 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 3109 (csr & STATUS_TS) != STATUS_TS_STOPPED) { 3110 switch (sc->sc_chip) { 3111 case TULIP_CHIP_AX88140: 3112 case TULIP_CHIP_AX88141: 3113 /* 3114 * Filter the message out on noisy chips. 3115 */ 3116 break; 3117 default: 3118 printf("%s: transmit process failed to idle: " 3119 "state %s\n", device_xname(sc->sc_dev), 3120 tx_state_names[(csr & STATUS_TS) >> 20]); 3121 } 3122 } 3123 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 3124 (csr & STATUS_RS) != STATUS_RS_STOPPED) { 3125 switch (sc->sc_chip) { 3126 case TULIP_CHIP_AN983: 3127 case TULIP_CHIP_AN985: 3128 case TULIP_CHIP_DM9102A: 3129 case TULIP_CHIP_RS7112: 3130 /* 3131 * Filter the message out on noisy chips. 3132 */ 3133 break; 3134 default: 3135 printf("%s: receive process failed to idle: " 3136 "state %s\n", device_xname(sc->sc_dev), 3137 rx_state_names[(csr & STATUS_RS) >> 17]); 3138 } 3139 } 3140 } 3141 TULIP_WRITE(sc, CSR_STATUS, ackmask); 3142 } 3143 3144 /***************************************************************************** 3145 * Generic media support functions. 3146 *****************************************************************************/ 3147 3148 /* 3149 * tlp_mediastatus: [ifmedia interface function] 3150 * 3151 * Query the current media. 3152 */ 3153 void 3154 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 3155 { 3156 struct tulip_softc *sc = ifp->if_softc; 3157 3158 if (TULIP_IS_ENABLED(sc) == 0) { 3159 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 3160 ifmr->ifm_status = 0; 3161 return; 3162 } 3163 3164 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 3165 } 3166 3167 /* 3168 * tlp_mediachange: [ifmedia interface function] 3169 * 3170 * Update the current media. 3171 */ 3172 int 3173 tlp_mediachange(struct ifnet *ifp) 3174 { 3175 struct tulip_softc *sc = ifp->if_softc; 3176 3177 if ((ifp->if_flags & IFF_UP) == 0) 3178 return (0); 3179 return ((*sc->sc_mediasw->tmsw_set)(sc)); 3180 } 3181 3182 /***************************************************************************** 3183 * Support functions for MII-attached media. 3184 *****************************************************************************/ 3185 3186 /* 3187 * tlp_mii_tick: 3188 * 3189 * One second timer, used to tick the MII. 3190 */ 3191 static void 3192 tlp_mii_tick(void *arg) 3193 { 3194 struct tulip_softc *sc = arg; 3195 int s; 3196 3197 if (!device_is_active(sc->sc_dev)) 3198 return; 3199 3200 s = splnet(); 3201 mii_tick(&sc->sc_mii); 3202 splx(s); 3203 3204 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3205 } 3206 3207 /* 3208 * tlp_mii_statchg: [mii interface function] 3209 * 3210 * Callback from PHY when media changes. 3211 */ 3212 static void 3213 tlp_mii_statchg(struct ifnet *ifp) 3214 { 3215 struct tulip_softc *sc = ifp->if_softc; 3216 3217 /* Idle the transmit and receive processes. */ 3218 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3219 3220 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3221 3222 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3223 sc->sc_opmode |= OPMODE_TTM; 3224 else 3225 sc->sc_opmode |= OPMODE_HBD; 3226 3227 if (sc->sc_mii.mii_media_active & IFM_FDX) 3228 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3229 3230 /* 3231 * Write new OPMODE bits. This also restarts the transmit 3232 * and receive processes. 3233 */ 3234 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3235 } 3236 3237 /* 3238 * tlp_winb_mii_statchg: [mii interface function] 3239 * 3240 * Callback from PHY when media changes. This version is 3241 * for the Winbond 89C840F, which has different OPMODE bits. 3242 */ 3243 static void 3244 tlp_winb_mii_statchg(struct ifnet *ifp) 3245 { 3246 struct tulip_softc *sc = ifp->if_softc; 3247 3248 /* Idle the transmit and receive processes. */ 3249 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3250 3251 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3252 3253 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3254 sc->sc_opmode |= OPMODE_WINB_FES; 3255 3256 if (sc->sc_mii.mii_media_active & IFM_FDX) 3257 sc->sc_opmode |= OPMODE_FD; 3258 3259 /* 3260 * Write new OPMODE bits. This also restarts the transmit 3261 * and receive processes. 3262 */ 3263 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3264 } 3265 3266 /* 3267 * tlp_dm9102_mii_statchg: [mii interface function] 3268 * 3269 * Callback from PHY when media changes. This version is 3270 * for the DM9102. 3271 */ 3272 static void 3273 tlp_dm9102_mii_statchg(struct ifnet *ifp) 3274 { 3275 struct tulip_softc *sc = ifp->if_softc; 3276 3277 /* 3278 * Don't idle the transmit and receive processes, here. It 3279 * seems to fail, and just causes excess noise. 3280 */ 3281 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); 3282 3283 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) 3284 sc->sc_opmode |= OPMODE_TTM; 3285 3286 if (sc->sc_mii.mii_media_active & IFM_FDX) 3287 sc->sc_opmode |= OPMODE_FD; 3288 3289 /* 3290 * Write new OPMODE bits. 3291 */ 3292 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3293 } 3294 3295 /* 3296 * tlp_mii_getmedia: 3297 * 3298 * Callback from ifmedia to request current media status. 3299 */ 3300 static void 3301 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 3302 { 3303 3304 mii_pollstat(&sc->sc_mii); 3305 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3306 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3307 } 3308 3309 /* 3310 * tlp_mii_setmedia: 3311 * 3312 * Callback from ifmedia to request new media setting. 3313 */ 3314 static int 3315 tlp_mii_setmedia(struct tulip_softc *sc) 3316 { 3317 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3318 int rc; 3319 3320 if ((ifp->if_flags & IFF_UP) == 0) 3321 return 0; 3322 switch (sc->sc_chip) { 3323 case TULIP_CHIP_21142: 3324 case TULIP_CHIP_21143: 3325 /* Disable the internal Nway engine. */ 3326 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3327 break; 3328 3329 default: 3330 /* Nothing. */ 3331 break; 3332 } 3333 if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) 3334 return 0; 3335 return rc; 3336 } 3337 3338 /* 3339 * tlp_bitbang_mii_readreg: 3340 * 3341 * Read a PHY register via bit-bang'ing the MII. 3342 */ 3343 static int 3344 tlp_bitbang_mii_readreg(device_t self, int phy, int reg) 3345 { 3346 struct tulip_softc *sc = device_private(self); 3347 3348 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3349 } 3350 3351 /* 3352 * tlp_bitbang_mii_writereg: 3353 * 3354 * Write a PHY register via bit-bang'ing the MII. 3355 */ 3356 static void 3357 tlp_bitbang_mii_writereg(device_t self, int phy, int reg, int val) 3358 { 3359 struct tulip_softc *sc = device_private(self); 3360 3361 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3362 } 3363 3364 /* 3365 * tlp_sio_mii_bitbang_read: 3366 * 3367 * Read the MII serial port for the MII bit-bang module. 3368 */ 3369 static uint32_t 3370 tlp_sio_mii_bitbang_read(device_t self) 3371 { 3372 struct tulip_softc *sc = device_private(self); 3373 3374 return (TULIP_READ(sc, CSR_MIIROM)); 3375 } 3376 3377 /* 3378 * tlp_sio_mii_bitbang_write: 3379 * 3380 * Write the MII serial port for the MII bit-bang module. 3381 */ 3382 static void 3383 tlp_sio_mii_bitbang_write(device_t self, uint32_t val) 3384 { 3385 struct tulip_softc *sc = device_private(self); 3386 3387 TULIP_WRITE(sc, CSR_MIIROM, val); 3388 } 3389 3390 /* 3391 * tlp_pnic_mii_readreg: 3392 * 3393 * Read a PHY register on the Lite-On PNIC. 3394 */ 3395 static int 3396 tlp_pnic_mii_readreg(device_t self, int phy, int reg) 3397 { 3398 struct tulip_softc *sc = device_private(self); 3399 uint32_t val; 3400 int i; 3401 3402 TULIP_WRITE(sc, CSR_PNIC_MII, 3403 PNIC_MII_MBO | PNIC_MII_RESERVED | 3404 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3405 (reg << PNIC_MII_REGSHIFT)); 3406 3407 for (i = 0; i < 1000; i++) { 3408 delay(10); 3409 val = TULIP_READ(sc, CSR_PNIC_MII); 3410 if ((val & PNIC_MII_BUSY) == 0) { 3411 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3412 return (0); 3413 else 3414 return (val & PNIC_MII_DATA); 3415 } 3416 } 3417 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 3418 return (0); 3419 } 3420 3421 /* 3422 * tlp_pnic_mii_writereg: 3423 * 3424 * Write a PHY register on the Lite-On PNIC. 3425 */ 3426 static void 3427 tlp_pnic_mii_writereg(device_t self, int phy, int reg, int val) 3428 { 3429 struct tulip_softc *sc = device_private(self); 3430 int i; 3431 3432 TULIP_WRITE(sc, CSR_PNIC_MII, 3433 PNIC_MII_MBO | PNIC_MII_RESERVED | 3434 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3435 (reg << PNIC_MII_REGSHIFT) | val); 3436 3437 for (i = 0; i < 1000; i++) { 3438 delay(10); 3439 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3440 return; 3441 } 3442 printf("%s: MII write timed out\n", device_xname(sc->sc_dev)); 3443 } 3444 3445 static const bus_addr_t tlp_al981_phy_regmap[] = { 3446 CSR_ADM_BMCR, 3447 CSR_ADM_BMSR, 3448 CSR_ADM_PHYIDR1, 3449 CSR_ADM_PHYIDR2, 3450 CSR_ADM_ANAR, 3451 CSR_ADM_ANLPAR, 3452 CSR_ADM_ANER, 3453 3454 CSR_ADM_XMC, 3455 CSR_ADM_XCIIS, 3456 CSR_ADM_XIE, 3457 CSR_ADM_100CTR, 3458 }; 3459 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3460 sizeof(tlp_al981_phy_regmap[0]); 3461 3462 /* 3463 * tlp_al981_mii_readreg: 3464 * 3465 * Read a PHY register on the ADMtek AL981. 3466 */ 3467 static int 3468 tlp_al981_mii_readreg(device_t self, int phy, int reg) 3469 { 3470 struct tulip_softc *sc = device_private(self); 3471 3472 /* AL981 only has an internal PHY. */ 3473 if (phy != 0) 3474 return (0); 3475 3476 if (reg >= tlp_al981_phy_regmap_size) 3477 return (0); 3478 3479 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3480 tlp_al981_phy_regmap[reg]) & 0xffff); 3481 } 3482 3483 /* 3484 * tlp_al981_mii_writereg: 3485 * 3486 * Write a PHY register on the ADMtek AL981. 3487 */ 3488 static void 3489 tlp_al981_mii_writereg(device_t self, int phy, int reg, int val) 3490 { 3491 struct tulip_softc *sc = device_private(self); 3492 3493 /* AL981 only has an internal PHY. */ 3494 if (phy != 0) 3495 return; 3496 3497 if (reg >= tlp_al981_phy_regmap_size) 3498 return; 3499 3500 bus_space_write_4(sc->sc_st, sc->sc_sh, 3501 tlp_al981_phy_regmap[reg], val); 3502 } 3503 3504 /***************************************************************************** 3505 * Chip-specific pre-init and reset functions. 3506 *****************************************************************************/ 3507 3508 /* 3509 * tlp_2114x_preinit: 3510 * 3511 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3512 */ 3513 static void 3514 tlp_2114x_preinit(struct tulip_softc *sc) 3515 { 3516 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3517 struct tulip_21x4x_media *tm = ife->ifm_aux; 3518 3519 /* 3520 * Whether or not we're in MII or SIA/SYM mode, the media info 3521 * contains the appropriate OPMODE bits. 3522 * 3523 * Also, we always set the Must-Be-One bit. 3524 */ 3525 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3526 3527 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3528 } 3529 3530 /* 3531 * tlp_2114x_mii_preinit: 3532 * 3533 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3534 * This version is used by boards which only have MII and don't have 3535 * an ISV SROM. 3536 */ 3537 static void 3538 tlp_2114x_mii_preinit(struct tulip_softc *sc) 3539 { 3540 3541 /* 3542 * Always set the Must-Be-One bit, and Port Select (to select MII). 3543 * We'll never be called during a media change. 3544 */ 3545 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3546 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3547 } 3548 3549 /* 3550 * tlp_pnic_preinit: 3551 * 3552 * Pre-init function for the Lite-On 82c168 and 82c169. 3553 */ 3554 static void 3555 tlp_pnic_preinit(struct tulip_softc *sc) 3556 { 3557 3558 if (sc->sc_flags & TULIPF_HAS_MII) { 3559 /* 3560 * MII case: just set the port-select bit; we will never 3561 * be called during a media change. 3562 */ 3563 sc->sc_opmode |= OPMODE_PS; 3564 } else { 3565 /* 3566 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3567 */ 3568 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3569 } 3570 } 3571 3572 /* 3573 * tlp_asix_preinit: 3574 * 3575 * Pre-init function for the ASIX chipsets. 3576 */ 3577 static void 3578 tlp_asix_preinit(struct tulip_softc *sc) 3579 { 3580 3581 switch (sc->sc_chip) { 3582 case TULIP_CHIP_AX88140: 3583 case TULIP_CHIP_AX88141: 3584 /* XXX Handle PHY. */ 3585 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; 3586 break; 3587 default: 3588 /* Nothing */ 3589 break; 3590 } 3591 3592 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3593 } 3594 3595 /* 3596 * tlp_dm9102_preinit: 3597 * 3598 * Pre-init function for the Davicom DM9102. 3599 */ 3600 static void 3601 tlp_dm9102_preinit(struct tulip_softc *sc) 3602 { 3603 3604 switch (sc->sc_chip) { 3605 case TULIP_CHIP_DM9102: 3606 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 3607 break; 3608 3609 case TULIP_CHIP_DM9102A: 3610 /* 3611 * XXX Figure out how to actually deal with the HomePNA 3612 * XXX portion of the DM9102A. 3613 */ 3614 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; 3615 break; 3616 3617 default: 3618 /* Nothing. */ 3619 break; 3620 } 3621 3622 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3623 } 3624 3625 /* 3626 * tlp_21140_reset: 3627 * 3628 * Issue a reset sequence on the 21140 via the GPIO facility. 3629 */ 3630 static void 3631 tlp_21140_reset(struct tulip_softc *sc) 3632 { 3633 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3634 struct tulip_21x4x_media *tm = ife->ifm_aux; 3635 int i; 3636 3637 /* First, set the direction on the GPIO pins. */ 3638 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3639 3640 /* Now, issue the reset sequence. */ 3641 for (i = 0; i < tm->tm_reset_length; i++) { 3642 delay(10); 3643 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3644 } 3645 3646 /* Now, issue the selection sequence. */ 3647 for (i = 0; i < tm->tm_gp_length; i++) { 3648 delay(10); 3649 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3650 } 3651 3652 /* If there were no sequences, just lower the pins. */ 3653 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3654 delay(10); 3655 TULIP_WRITE(sc, CSR_GPP, 0); 3656 } 3657 } 3658 3659 /* 3660 * tlp_21142_reset: 3661 * 3662 * Issue a reset sequence on the 21142 via the GPIO facility. 3663 */ 3664 static void 3665 tlp_21142_reset(struct tulip_softc *sc) 3666 { 3667 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3668 struct tulip_21x4x_media *tm = ife->ifm_aux; 3669 const uint8_t *cp; 3670 int i; 3671 3672 cp = &sc->sc_srom[tm->tm_reset_offset]; 3673 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 3674 delay(10); 3675 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3676 } 3677 3678 cp = &sc->sc_srom[tm->tm_gp_offset]; 3679 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 3680 delay(10); 3681 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); 3682 } 3683 3684 /* If there were no sequences, just lower the pins. */ 3685 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3686 delay(10); 3687 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3688 } 3689 } 3690 3691 /* 3692 * tlp_pmac_reset: 3693 * 3694 * Reset routine for Macronix chips. 3695 */ 3696 static void 3697 tlp_pmac_reset(struct tulip_softc *sc) 3698 { 3699 3700 switch (sc->sc_chip) { 3701 case TULIP_CHIP_82C115: 3702 case TULIP_CHIP_MX98715: 3703 case TULIP_CHIP_MX98715A: 3704 case TULIP_CHIP_MX98725: 3705 /* 3706 * Set the LED operating mode. This information is located 3707 * in the EEPROM at byte offset 0x77, per the MX98715A and 3708 * MX98725 application notes. 3709 */ 3710 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3711 break; 3712 case TULIP_CHIP_MX98715AEC_X: 3713 /* 3714 * Set the LED operating mode. This information is located 3715 * in the EEPROM at byte offset 0x76, per the MX98715AEC 3716 * application note. 3717 */ 3718 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) 3719 | ((0xf0 & sc->sc_srom[0x76]) << 20)); 3720 break; 3721 3722 default: 3723 /* Nothing. */ 3724 break; 3725 } 3726 } 3727 3728 #if 0 3729 /* 3730 * tlp_dm9102_reset: 3731 * 3732 * Reset routine for the Davicom DM9102. 3733 */ 3734 static void 3735 tlp_dm9102_reset(struct tulip_softc *sc) 3736 { 3737 3738 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); 3739 delay(100); 3740 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); 3741 } 3742 #endif 3743 3744 /***************************************************************************** 3745 * Chip/board-specific media switches. The ones here are ones that 3746 * are potentially common to multiple front-ends. 3747 *****************************************************************************/ 3748 3749 /* 3750 * This table is a common place for all sorts of media information, 3751 * keyed off of the SROM media code for that media. 3752 * 3753 * Note that we explicitly configure the 21142/21143 to always advertise 3754 * NWay capabilities when using the UTP port. 3755 * XXX Actually, we don't yet. 3756 */ 3757 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3758 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3759 "10baseT", 3760 OPMODE_TTM, 3761 BMSR_10THDX, 3762 { SIACONN_21040_10BASET, 3763 SIATXRX_21040_10BASET, 3764 SIAGEN_21040_10BASET }, 3765 3766 { SIACONN_21041_10BASET, 3767 SIATXRX_21041_10BASET, 3768 SIAGEN_21041_10BASET }, 3769 3770 { SIACONN_21142_10BASET, 3771 SIATXRX_21142_10BASET, 3772 SIAGEN_21142_10BASET } }, 3773 3774 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3775 "10base2", 3776 0, 3777 0, 3778 { 0, 3779 0, 3780 0 }, 3781 3782 { SIACONN_21041_BNC, 3783 SIATXRX_21041_BNC, 3784 SIAGEN_21041_BNC }, 3785 3786 { SIACONN_21142_BNC, 3787 SIATXRX_21142_BNC, 3788 SIAGEN_21142_BNC } }, 3789 3790 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3791 "10base5", 3792 0, 3793 0, 3794 { SIACONN_21040_AUI, 3795 SIATXRX_21040_AUI, 3796 SIAGEN_21040_AUI }, 3797 3798 { SIACONN_21041_AUI, 3799 SIATXRX_21041_AUI, 3800 SIAGEN_21041_AUI }, 3801 3802 { SIACONN_21142_AUI, 3803 SIATXRX_21142_AUI, 3804 SIAGEN_21142_AUI } }, 3805 3806 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3807 "100baseTX", 3808 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3809 BMSR_100TXHDX, 3810 { 0, 3811 0, 3812 0 }, 3813 3814 { 0, 3815 0, 3816 0 }, 3817 3818 { 0, 3819 0, 3820 SIAGEN_ABM } }, 3821 3822 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3823 "10baseT-FDX", 3824 OPMODE_TTM|OPMODE_FD|OPMODE_HBD, 3825 BMSR_10TFDX, 3826 { SIACONN_21040_10BASET_FDX, 3827 SIATXRX_21040_10BASET_FDX, 3828 SIAGEN_21040_10BASET_FDX }, 3829 3830 { SIACONN_21041_10BASET_FDX, 3831 SIATXRX_21041_10BASET_FDX, 3832 SIAGEN_21041_10BASET_FDX }, 3833 3834 { SIACONN_21142_10BASET_FDX, 3835 SIATXRX_21142_10BASET_FDX, 3836 SIAGEN_21142_10BASET_FDX } }, 3837 3838 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3839 "100baseTX-FDX", 3840 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3841 BMSR_100TXFDX, 3842 { 0, 3843 0, 3844 0 }, 3845 3846 { 0, 3847 0, 3848 0 }, 3849 3850 { 0, 3851 0, 3852 SIAGEN_ABM } }, 3853 3854 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3855 "100baseT4", 3856 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3857 BMSR_100T4, 3858 { 0, 3859 0, 3860 0 }, 3861 3862 { 0, 3863 0, 3864 0 }, 3865 3866 { 0, 3867 0, 3868 SIAGEN_ABM } }, 3869 3870 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3871 "100baseFX", 3872 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3873 0, 3874 { 0, 3875 0, 3876 0 }, 3877 3878 { 0, 3879 0, 3880 0 }, 3881 3882 { 0, 3883 0, 3884 SIAGEN_ABM } }, 3885 3886 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3887 "100baseFX-FDX", 3888 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3889 0, 3890 { 0, 3891 0, 3892 0 }, 3893 3894 { 0, 3895 0, 3896 0 }, 3897 3898 { 0, 3899 0, 3900 SIAGEN_ABM } }, 3901 3902 { 0, 0, 0, 3903 NULL, 3904 0, 3905 0, 3906 { 0, 3907 0, 3908 0 }, 3909 3910 { 0, 3911 0, 3912 0 }, 3913 3914 { 0, 3915 0, 3916 0 } }, 3917 }; 3918 3919 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(uint8_t); 3920 static void tlp_srom_media_info(struct tulip_softc *, 3921 const struct tulip_srom_to_ifmedia *, 3922 struct tulip_21x4x_media *); 3923 static void tlp_add_srom_media(struct tulip_softc *, int, 3924 void (*)(struct tulip_softc *, struct ifmediareq *), 3925 int (*)(struct tulip_softc *), const uint8_t *, int); 3926 static void tlp_print_media(struct tulip_softc *); 3927 static void tlp_nway_activate(struct tulip_softc *, int); 3928 static void tlp_get_minst(struct tulip_softc *); 3929 3930 static const struct tulip_srom_to_ifmedia * 3931 tlp_srom_to_ifmedia(uint8_t sm) 3932 { 3933 const struct tulip_srom_to_ifmedia *tsti; 3934 3935 for (tsti = tulip_srom_to_ifmedia_table; 3936 tsti->tsti_name != NULL; tsti++) { 3937 if (tsti->tsti_srom == sm) 3938 return (tsti); 3939 } 3940 3941 return (NULL); 3942 } 3943 3944 static void 3945 tlp_srom_media_info(struct tulip_softc *sc, 3946 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) 3947 { 3948 3949 tm->tm_name = tsti->tsti_name; 3950 tm->tm_opmode = tsti->tsti_opmode; 3951 3952 sc->sc_sia_cap |= tsti->tsti_sia_cap; 3953 3954 switch (sc->sc_chip) { 3955 case TULIP_CHIP_DE425: 3956 case TULIP_CHIP_21040: 3957 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3958 break; 3959 3960 case TULIP_CHIP_21041: 3961 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3962 break; 3963 3964 case TULIP_CHIP_21142: 3965 case TULIP_CHIP_21143: 3966 case TULIP_CHIP_82C115: 3967 case TULIP_CHIP_MX98715: 3968 case TULIP_CHIP_MX98715A: 3969 case TULIP_CHIP_MX98715AEC_X: 3970 case TULIP_CHIP_MX98725: 3971 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3972 break; 3973 3974 default: 3975 /* Nothing. */ 3976 break; 3977 } 3978 } 3979 3980 static void 3981 tlp_add_srom_media(struct tulip_softc *sc, int type, 3982 void (*get)(struct tulip_softc *, struct ifmediareq *), 3983 int (*set)(struct tulip_softc *), const uint8_t *list, 3984 int cnt) 3985 { 3986 struct tulip_21x4x_media *tm; 3987 const struct tulip_srom_to_ifmedia *tsti; 3988 int i; 3989 3990 for (i = 0; i < cnt; i++) { 3991 tsti = tlp_srom_to_ifmedia(list[i]); 3992 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 3993 tlp_srom_media_info(sc, tsti, tm); 3994 tm->tm_type = type; 3995 tm->tm_get = get; 3996 tm->tm_set = set; 3997 3998 ifmedia_add(&sc->sc_mii.mii_media, 3999 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4000 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4001 } 4002 } 4003 4004 static void 4005 tlp_print_media(struct tulip_softc *sc) 4006 { 4007 struct ifmedia_entry *ife; 4008 struct tulip_21x4x_media *tm; 4009 const char *sep = ""; 4010 4011 #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " 4012 4013 aprint_normal_dev(sc->sc_dev, ""); 4014 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { 4015 tm = ife->ifm_aux; 4016 if (tm == NULL) { 4017 #ifdef DIAGNOSTIC 4018 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4019 panic("tlp_print_media"); 4020 #endif 4021 PRINT("auto"); 4022 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 4023 tm->tm_type != TULIP_ROM_MB_21142_MII) { 4024 PRINT(tm->tm_name); 4025 } 4026 } 4027 aprint_normal("\n"); 4028 4029 #undef PRINT 4030 } 4031 4032 static void 4033 tlp_nway_activate(struct tulip_softc *sc, int media) 4034 { 4035 struct ifmedia_entry *ife; 4036 4037 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 4038 #ifdef DIAGNOSTIC 4039 if (ife == NULL) 4040 panic("tlp_nway_activate"); 4041 #endif 4042 sc->sc_nway_active = ife; 4043 } 4044 4045 static void 4046 tlp_get_minst(struct tulip_softc *sc) 4047 { 4048 4049 if ((sc->sc_media_seen & 4050 ~((1 << TULIP_ROM_MB_21140_MII) | 4051 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 4052 /* 4053 * We have not yet seen any SIA/SYM media (but are 4054 * about to; that's why we're called!), so assign 4055 * the current media instance to be the `internal media' 4056 * instance, and advance it so any MII media gets a 4057 * fresh one (used to selecting/isolating a PHY). 4058 */ 4059 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 4060 } 4061 } 4062 4063 /* 4064 * SIA Utility functions. 4065 */ 4066 static void tlp_sia_update_link(struct tulip_softc *); 4067 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); 4068 static int tlp_sia_set(struct tulip_softc *); 4069 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); 4070 static void tlp_sia_fixup(struct tulip_softc *); 4071 4072 static void 4073 tlp_sia_update_link(struct tulip_softc *sc) 4074 { 4075 struct ifmedia_entry *ife; 4076 struct tulip_21x4x_media *tm; 4077 uint32_t siastat; 4078 4079 ife = TULIP_CURRENT_MEDIA(sc); 4080 tm = ife->ifm_aux; 4081 4082 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4083 4084 siastat = TULIP_READ(sc, CSR_SIASTAT); 4085 4086 /* 4087 * Note that when we do SIA link tests, we are assuming that 4088 * the chip is really in the mode that the current media setting 4089 * reflects. If we're not, then the link tests will not be 4090 * accurate! 4091 */ 4092 switch (IFM_SUBTYPE(ife->ifm_media)) { 4093 case IFM_10_T: 4094 sc->sc_flags |= TULIPF_LINK_VALID; 4095 if ((siastat & SIASTAT_LS10) == 0) 4096 sc->sc_flags |= TULIPF_LINK_UP; 4097 break; 4098 4099 case IFM_100_TX: 4100 case IFM_100_T4: 4101 sc->sc_flags |= TULIPF_LINK_VALID; 4102 if ((siastat & SIASTAT_LS100) == 0) 4103 sc->sc_flags |= TULIPF_LINK_UP; 4104 break; 4105 } 4106 4107 switch (sc->sc_chip) { 4108 case TULIP_CHIP_21142: 4109 case TULIP_CHIP_21143: 4110 /* 4111 * On these chips, we can tell more information about 4112 * AUI/BNC. Note that the AUI/BNC selection is made 4113 * in a different register; for our purpose, it's all 4114 * AUI. 4115 */ 4116 switch (IFM_SUBTYPE(ife->ifm_media)) { 4117 case IFM_10_2: 4118 case IFM_10_5: 4119 sc->sc_flags |= TULIPF_LINK_VALID; 4120 if (siastat & SIASTAT_ARA) { 4121 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 4122 sc->sc_flags |= TULIPF_LINK_UP; 4123 } 4124 break; 4125 4126 default: 4127 /* 4128 * If we're SYM media and can detect the link 4129 * via the GPIO facility, prefer that status 4130 * over LS100. 4131 */ 4132 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 4133 tm->tm_actmask != 0) { 4134 sc->sc_flags = (sc->sc_flags & 4135 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 4136 if (TULIP_ISSET(sc, CSR_SIAGEN, 4137 tm->tm_actmask) == tm->tm_actdata) 4138 sc->sc_flags |= TULIPF_LINK_UP; 4139 } 4140 } 4141 break; 4142 4143 default: 4144 /* Nothing. */ 4145 break; 4146 } 4147 } 4148 4149 static void 4150 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4151 { 4152 struct ifmedia_entry *ife; 4153 4154 ifmr->ifm_status = 0; 4155 4156 tlp_sia_update_link(sc); 4157 4158 ife = TULIP_CURRENT_MEDIA(sc); 4159 4160 if (sc->sc_flags & TULIPF_LINK_VALID) 4161 ifmr->ifm_status |= IFM_AVALID; 4162 if (sc->sc_flags & TULIPF_LINK_UP) 4163 ifmr->ifm_status |= IFM_ACTIVE; 4164 ifmr->ifm_active = ife->ifm_media; 4165 } 4166 4167 static void 4168 tlp_sia_fixup(struct tulip_softc *sc) 4169 { 4170 struct ifmedia_entry *ife; 4171 struct tulip_21x4x_media *tm; 4172 uint32_t siaconn, siatxrx, siagen; 4173 4174 switch (sc->sc_chip) { 4175 case TULIP_CHIP_82C115: 4176 case TULIP_CHIP_MX98713A: 4177 case TULIP_CHIP_MX98715: 4178 case TULIP_CHIP_MX98715A: 4179 case TULIP_CHIP_MX98715AEC_X: 4180 case TULIP_CHIP_MX98725: 4181 siaconn = PMAC_SIACONN_MASK; 4182 siatxrx = PMAC_SIATXRX_MASK; 4183 siagen = PMAC_SIAGEN_MASK; 4184 break; 4185 4186 default: 4187 /* No fixups required on any other chips. */ 4188 return; 4189 } 4190 4191 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { 4192 tm = ife->ifm_aux; 4193 if (tm == NULL) 4194 continue; 4195 4196 tm->tm_siaconn &= siaconn; 4197 tm->tm_siatxrx &= siatxrx; 4198 tm->tm_siagen &= siagen; 4199 } 4200 } 4201 4202 static int 4203 tlp_sia_set(struct tulip_softc *sc) 4204 { 4205 4206 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); 4207 } 4208 4209 static int 4210 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) 4211 { 4212 struct tulip_21x4x_media *tm; 4213 4214 tm = ife->ifm_aux; 4215 4216 /* 4217 * XXX This appears to be necessary on a bunch of the clone chips. 4218 */ 4219 delay(20000); 4220 4221 /* 4222 * Idle the chip. 4223 */ 4224 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4225 4226 /* 4227 * Program the SIA. It's important to write in this order, 4228 * resetting the SIA first. 4229 */ 4230 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 4231 delay(1000); 4232 4233 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 4234 4235 switch (sc->sc_chip) { 4236 case TULIP_CHIP_21142: 4237 case TULIP_CHIP_21143: 4238 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 4239 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 4240 break; 4241 default: 4242 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 4243 } 4244 4245 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 4246 4247 /* 4248 * Set the OPMODE bits for this media and write OPMODE. 4249 * This will resume the transmit and receive processes. 4250 */ 4251 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4252 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4253 4254 return (0); 4255 } 4256 4257 /* 4258 * 21140 GPIO utility functions. 4259 */ 4260 static void tlp_21140_gpio_update_link(struct tulip_softc *); 4261 4262 static void 4263 tlp_21140_gpio_update_link(struct tulip_softc *sc) 4264 { 4265 struct ifmedia_entry *ife; 4266 struct tulip_21x4x_media *tm; 4267 4268 ife = TULIP_CURRENT_MEDIA(sc); 4269 tm = ife->ifm_aux; 4270 4271 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 4272 4273 if (tm->tm_actmask != 0) { 4274 sc->sc_flags |= TULIPF_LINK_VALID; 4275 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 4276 tm->tm_actdata) 4277 sc->sc_flags |= TULIPF_LINK_UP; 4278 } 4279 } 4280 4281 void 4282 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 4283 { 4284 struct ifmedia_entry *ife; 4285 4286 ifmr->ifm_status = 0; 4287 4288 tlp_21140_gpio_update_link(sc); 4289 4290 ife = TULIP_CURRENT_MEDIA(sc); 4291 4292 if (sc->sc_flags & TULIPF_LINK_VALID) 4293 ifmr->ifm_status |= IFM_AVALID; 4294 if (sc->sc_flags & TULIPF_LINK_UP) 4295 ifmr->ifm_status |= IFM_ACTIVE; 4296 ifmr->ifm_active = ife->ifm_media; 4297 } 4298 4299 int 4300 tlp_21140_gpio_set(struct tulip_softc *sc) 4301 { 4302 struct ifmedia_entry *ife; 4303 struct tulip_21x4x_media *tm; 4304 4305 ife = TULIP_CURRENT_MEDIA(sc); 4306 tm = ife->ifm_aux; 4307 4308 /* 4309 * Idle the chip. 4310 */ 4311 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4312 4313 /* 4314 * Set the GPIO pins for this media, to flip any 4315 * relays, etc. 4316 */ 4317 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4318 delay(10); 4319 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4320 4321 /* 4322 * Set the OPMODE bits for this media and write OPMODE. 4323 * This will resume the transmit and receive processes. 4324 */ 4325 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4326 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4327 4328 return (0); 4329 } 4330 4331 /* 4332 * 21040 and 21041 media switches. 4333 */ 4334 static void tlp_21040_tmsw_init(struct tulip_softc *); 4335 static void tlp_21040_tp_tmsw_init(struct tulip_softc *); 4336 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); 4337 static void tlp_21041_tmsw_init(struct tulip_softc *); 4338 4339 const struct tulip_mediasw tlp_21040_mediasw = { 4340 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4341 }; 4342 4343 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4344 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4345 }; 4346 4347 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4348 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4349 }; 4350 4351 const struct tulip_mediasw tlp_21041_mediasw = { 4352 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4353 }; 4354 4355 static void 4356 tlp_21040_tmsw_init(struct tulip_softc *sc) 4357 { 4358 static const uint8_t media[] = { 4359 TULIP_ROM_MB_MEDIA_TP, 4360 TULIP_ROM_MB_MEDIA_TP_FDX, 4361 TULIP_ROM_MB_MEDIA_AUI, 4362 }; 4363 struct tulip_21x4x_media *tm; 4364 4365 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4366 tlp_mediastatus); 4367 4368 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4369 4370 /* 4371 * No SROM type for External SIA. 4372 */ 4373 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4374 tm->tm_name = "manual"; 4375 tm->tm_opmode = 0; 4376 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4377 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4378 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4379 ifmedia_add(&sc->sc_mii.mii_media, 4380 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4381 4382 /* 4383 * XXX Autosense not yet supported. 4384 */ 4385 4386 /* XXX This should be auto-sense. */ 4387 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4388 4389 tlp_print_media(sc); 4390 } 4391 4392 static void 4393 tlp_21040_tp_tmsw_init(struct tulip_softc *sc) 4394 { 4395 static const uint8_t media[] = { 4396 TULIP_ROM_MB_MEDIA_TP, 4397 TULIP_ROM_MB_MEDIA_TP_FDX, 4398 }; 4399 4400 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4401 tlp_mediastatus); 4402 4403 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4404 4405 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4406 4407 tlp_print_media(sc); 4408 } 4409 4410 static void 4411 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) 4412 { 4413 static const uint8_t media[] = { 4414 TULIP_ROM_MB_MEDIA_AUI, 4415 }; 4416 4417 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4418 tlp_mediastatus); 4419 4420 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4421 4422 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4423 4424 tlp_print_media(sc); 4425 } 4426 4427 static void 4428 tlp_21041_tmsw_init(struct tulip_softc *sc) 4429 { 4430 static const uint8_t media[] = { 4431 TULIP_ROM_MB_MEDIA_TP, 4432 TULIP_ROM_MB_MEDIA_TP_FDX, 4433 TULIP_ROM_MB_MEDIA_BNC, 4434 TULIP_ROM_MB_MEDIA_AUI, 4435 }; 4436 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4437 const struct tulip_srom_to_ifmedia *tsti; 4438 struct tulip_21x4x_media *tm; 4439 uint16_t romdef; 4440 uint8_t mb; 4441 4442 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4443 tlp_mediastatus); 4444 4445 if (tlp_isv_srom(sc->sc_srom) == 0) { 4446 not_isv_srom: 4447 /* 4448 * If we have a board without the standard 21041 SROM format, 4449 * we just assume all media are present and try and pick a 4450 * reasonable default. 4451 */ 4452 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4453 4454 /* 4455 * XXX Autosense not yet supported. 4456 */ 4457 4458 /* XXX This should be auto-sense. */ 4459 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4460 4461 tlp_print_media(sc); 4462 return; 4463 } 4464 4465 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4466 for (i = 0; i < devcnt; i++) { 4467 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4468 break; 4469 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4470 sc->sc_devno) 4471 break; 4472 } 4473 4474 if (i == devcnt) 4475 goto not_isv_srom; 4476 4477 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4478 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4479 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4480 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4481 4482 for (; m_cnt != 0; 4483 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4484 mb = sc->sc_srom[mb_offset]; 4485 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4486 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4487 case TULIP_ROM_MB_MEDIA_TP_FDX: 4488 case TULIP_ROM_MB_MEDIA_TP: 4489 case TULIP_ROM_MB_MEDIA_BNC: 4490 case TULIP_ROM_MB_MEDIA_AUI: 4491 tsti = tlp_srom_to_ifmedia(mb & 4492 TULIP_ROM_MB_MEDIA_CODE); 4493 4494 tlp_srom_media_info(sc, tsti, tm); 4495 4496 /* 4497 * Override our default SIA settings if the 4498 * SROM contains its own. 4499 */ 4500 if (mb & TULIP_ROM_MB_EXT) { 4501 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4502 mb_offset + TULIP_ROM_MB_CSR13); 4503 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4504 mb_offset + TULIP_ROM_MB_CSR14); 4505 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4506 mb_offset + TULIP_ROM_MB_CSR15); 4507 } 4508 4509 ifmedia_add(&sc->sc_mii.mii_media, 4510 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4511 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4512 break; 4513 4514 default: 4515 aprint_error_dev(sc->sc_dev, 4516 "unknown media code 0x%02x\n", 4517 mb & TULIP_ROM_MB_MEDIA_CODE); 4518 free(tm, M_DEVBUF); 4519 } 4520 } 4521 4522 /* 4523 * XXX Autosense not yet supported. 4524 */ 4525 4526 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4527 TULIP_ROM_IL_SELECT_CONN_TYPE); 4528 switch (romdef) { 4529 case SELECT_CONN_TYPE_TP: 4530 case SELECT_CONN_TYPE_TP_AUTONEG: 4531 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4532 defmedia = IFM_ETHER|IFM_10_T; 4533 break; 4534 4535 case SELECT_CONN_TYPE_TP_FDX: 4536 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4537 break; 4538 4539 case SELECT_CONN_TYPE_BNC: 4540 defmedia = IFM_ETHER|IFM_10_2; 4541 break; 4542 4543 case SELECT_CONN_TYPE_AUI: 4544 defmedia = IFM_ETHER|IFM_10_5; 4545 break; 4546 #if 0 /* XXX */ 4547 case SELECT_CONN_TYPE_ASENSE: 4548 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4549 defmedia = IFM_ETHER|IFM_AUTO; 4550 break; 4551 #endif 4552 default: 4553 defmedia = 0; 4554 } 4555 4556 if (defmedia == 0) { 4557 /* 4558 * XXX We should default to auto-sense. 4559 */ 4560 defmedia = IFM_ETHER|IFM_10_T; 4561 } 4562 4563 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4564 4565 tlp_print_media(sc); 4566 } 4567 4568 /* 4569 * DECchip 2114x ISV media switch. 4570 */ 4571 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); 4572 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, 4573 struct ifmediareq *); 4574 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); 4575 4576 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4577 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4578 }; 4579 4580 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); 4581 static int tlp_2114x_nway_set(struct tulip_softc *); 4582 4583 static void tlp_2114x_nway_statchg(struct ifnet *); 4584 static int tlp_2114x_nway_service(struct tulip_softc *, int); 4585 static void tlp_2114x_nway_auto(struct tulip_softc *); 4586 static void tlp_2114x_nway_status(struct tulip_softc *); 4587 4588 static void 4589 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) 4590 { 4591 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4592 struct ifmedia_entry *ife; 4593 struct mii_softc *phy; 4594 struct tulip_21x4x_media *tm; 4595 const struct tulip_srom_to_ifmedia *tsti; 4596 int i, devcnt, leaf_offset, m_cnt, type, length; 4597 int defmedia, miidef; 4598 uint16_t word; 4599 uint8_t *cp, *ncp; 4600 4601 defmedia = miidef = 0; 4602 4603 sc->sc_mii.mii_ifp = ifp; 4604 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4605 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4606 sc->sc_mii.mii_statchg = sc->sc_statchg; 4607 4608 /* 4609 * Ignore `instance'; we may get a mixture of SIA and MII 4610 * media, and `instance' is used to isolate or select the 4611 * PHY on the MII as appropriate. Note that duplicate media 4612 * are disallowed, so ignoring `instance' is safe. 4613 */ 4614 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4615 tlp_mediastatus); 4616 4617 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4618 for (i = 0; i < devcnt; i++) { 4619 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4620 break; 4621 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4622 sc->sc_devno) 4623 break; 4624 } 4625 4626 if (i == devcnt) { 4627 aprint_error_dev(sc->sc_dev, "unable to locate info leaf in SROM\n"); 4628 return; 4629 } 4630 4631 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4632 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4633 4634 /* XXX SELECT CONN TYPE */ 4635 4636 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4637 4638 /* 4639 * On some chips, the first thing in the Info Leaf is the 4640 * GPIO pin direction data. 4641 */ 4642 switch (sc->sc_chip) { 4643 case TULIP_CHIP_21140: 4644 case TULIP_CHIP_21140A: 4645 case TULIP_CHIP_MX98713: 4646 case TULIP_CHIP_AX88140: 4647 case TULIP_CHIP_AX88141: 4648 sc->sc_gp_dir = *cp++; 4649 break; 4650 4651 default: 4652 /* Nothing. */ 4653 break; 4654 } 4655 4656 /* Get the media count. */ 4657 m_cnt = *cp++; 4658 4659 if (m_cnt == 0) { 4660 sc->sc_mediasw = &tlp_sio_mii_mediasw; 4661 (*sc->sc_mediasw->tmsw_init)(sc); 4662 return; 4663 } 4664 4665 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4666 /* 4667 * Determine the type and length of this media block. 4668 * The 21143 is spec'd to always use extended format blocks, 4669 * but some cards don't set the bit to indicate this. 4670 * Hopefully there are no cards which really don't use 4671 * extended format blocks. 4672 */ 4673 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { 4674 length = 4; 4675 type = TULIP_ROM_MB_21140_GPR; 4676 } else { 4677 length = (*cp++ & 0x7f) - 1; 4678 type = *cp++ & 0x3f; 4679 } 4680 4681 /* Compute the start of the next block. */ 4682 ncp = cp + length; 4683 4684 /* Now, parse the block. */ 4685 switch (type) { 4686 case TULIP_ROM_MB_21140_GPR: 4687 tlp_get_minst(sc); 4688 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4689 4690 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4691 4692 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4693 tm->tm_get = tlp_21140_gpio_get; 4694 tm->tm_set = tlp_21140_gpio_set; 4695 4696 /* First is the media type code. */ 4697 tsti = tlp_srom_to_ifmedia(cp[0] & 4698 TULIP_ROM_MB_MEDIA_CODE); 4699 if (tsti == NULL) { 4700 /* Invalid media code. */ 4701 free(tm, M_DEVBUF); 4702 break; 4703 } 4704 4705 /* Get defaults. */ 4706 tlp_srom_media_info(sc, tsti, tm); 4707 4708 /* Next is any GPIO info for this media. */ 4709 tm->tm_gpdata = cp[1]; 4710 4711 /* 4712 * Next is a word containing OPMODE information 4713 * and info on how to detect if this media is 4714 * active. 4715 */ 4716 word = TULIP_ROM_GETW(cp, 2); 4717 tm->tm_opmode &= OPMODE_FD; 4718 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 4719 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4720 tm->tm_actmask = 4721 TULIP_ROM_MB_BITPOS(word); 4722 tm->tm_actdata = 4723 (word & TULIP_ROM_MB_POLARITY) ? 4724 0 : tm->tm_actmask; 4725 } 4726 4727 ifmedia_add(&sc->sc_mii.mii_media, 4728 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4729 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4730 break; 4731 4732 case TULIP_ROM_MB_21140_MII: 4733 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4734 4735 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4736 4737 tm->tm_type = TULIP_ROM_MB_21140_MII; 4738 tm->tm_get = tlp_mii_getmedia; 4739 tm->tm_set = tlp_mii_setmedia; 4740 tm->tm_opmode = OPMODE_PS; 4741 4742 if (sc->sc_reset == NULL) 4743 sc->sc_reset = tlp_21140_reset; 4744 4745 /* First is the PHY number. */ 4746 tm->tm_phyno = *cp++; 4747 4748 /* Next is the MII select sequence length and offset. */ 4749 tm->tm_gp_length = *cp++; 4750 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4751 cp += tm->tm_gp_length; 4752 4753 /* Next is the MII reset sequence length and offset. */ 4754 tm->tm_reset_length = *cp++; 4755 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4756 cp += tm->tm_reset_length; 4757 4758 /* 4759 * The following items are left in the media block 4760 * that we don't particularly care about: 4761 * 4762 * capabilities W 4763 * advertisement W 4764 * full duplex W 4765 * tx threshold W 4766 * 4767 * These appear to be bits in the PHY registers, 4768 * which our MII code handles on its own. 4769 */ 4770 4771 /* 4772 * Before we probe the MII bus, we need to reset 4773 * it and issue the selection sequence. 4774 */ 4775 4776 /* Set the direction of the pins... */ 4777 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4778 4779 for (i = 0; i < tm->tm_reset_length; i++) { 4780 delay(10); 4781 TULIP_WRITE(sc, CSR_GPP, 4782 sc->sc_srom[tm->tm_reset_offset + i]); 4783 } 4784 4785 for (i = 0; i < tm->tm_gp_length; i++) { 4786 delay(10); 4787 TULIP_WRITE(sc, CSR_GPP, 4788 sc->sc_srom[tm->tm_gp_offset + i]); 4789 } 4790 4791 /* If there were no sequences, just lower the pins. */ 4792 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4793 delay(10); 4794 TULIP_WRITE(sc, CSR_GPP, 0); 4795 } 4796 4797 /* 4798 * Now, probe the MII for the PHY. Note, we know 4799 * the location of the PHY on the bus, but we don't 4800 * particularly care; the MII code just likes to 4801 * search the whole thing anyhow. 4802 */ 4803 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 4804 MII_PHY_ANY, tm->tm_phyno, 0); 4805 4806 /* 4807 * Now, search for the PHY we hopefully just 4808 * configured. If it's not configured into the 4809 * kernel, we lose. The PHY's default media always 4810 * takes priority. 4811 */ 4812 LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { 4813 if (phy->mii_offset == tm->tm_phyno) 4814 break; 4815 } 4816 if (phy == NULL) { 4817 aprint_error_dev(sc->sc_dev, "unable to configure MII\n"); 4818 break; 4819 } 4820 4821 sc->sc_flags |= TULIPF_HAS_MII; 4822 sc->sc_tick = tlp_mii_tick; 4823 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4824 phy->mii_inst); 4825 4826 /* 4827 * Okay, now that we've found the PHY and the MII 4828 * layer has added all of the media associated 4829 * with that PHY, we need to traverse the media 4830 * list, and add our `tm' to each entry's `aux' 4831 * pointer. 4832 * 4833 * We do this by looking for media with our 4834 * PHY's `instance'. 4835 */ 4836 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, 4837 ifm_list) { 4838 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4839 continue; 4840 ife->ifm_aux = tm; 4841 } 4842 break; 4843 4844 case TULIP_ROM_MB_21142_SIA: 4845 tlp_get_minst(sc); 4846 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4847 4848 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4849 4850 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4851 tm->tm_get = tlp_sia_get; 4852 tm->tm_set = tlp_sia_set; 4853 4854 /* First is the media type code. */ 4855 tsti = tlp_srom_to_ifmedia(cp[0] & 4856 TULIP_ROM_MB_MEDIA_CODE); 4857 if (tsti == NULL) { 4858 /* Invalid media code. */ 4859 free(tm, M_DEVBUF); 4860 break; 4861 } 4862 4863 /* Get defaults. */ 4864 tlp_srom_media_info(sc, tsti, tm); 4865 4866 /* 4867 * Override our default SIA settings if the 4868 * SROM contains its own. 4869 */ 4870 if (cp[0] & 0x40) { 4871 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4872 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4873 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4874 cp += 7; 4875 } else 4876 cp++; 4877 4878 /* Next is GPIO control/data. */ 4879 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; 4880 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; 4881 4882 ifmedia_add(&sc->sc_mii.mii_media, 4883 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4884 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4885 break; 4886 4887 case TULIP_ROM_MB_21142_MII: 4888 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4889 4890 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 4891 4892 tm->tm_type = TULIP_ROM_MB_21142_MII; 4893 tm->tm_get = tlp_mii_getmedia; 4894 tm->tm_set = tlp_mii_setmedia; 4895 tm->tm_opmode = OPMODE_PS; 4896 4897 if (sc->sc_reset == NULL) 4898 sc->sc_reset = tlp_21142_reset; 4899 4900 /* First is the PHY number. */ 4901 tm->tm_phyno = *cp++; 4902 4903 /* Next is the MII select sequence length and offset. */ 4904 tm->tm_gp_length = *cp++; 4905 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4906 cp += tm->tm_gp_length * 2; 4907 4908 /* Next is the MII reset sequence length and offset. */ 4909 tm->tm_reset_length = *cp++; 4910 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4911 cp += tm->tm_reset_length * 2; 4912 4913 /* 4914 * The following items are left in the media block 4915 * that we don't particularly care about: 4916 * 4917 * capabilities W 4918 * advertisement W 4919 * full duplex W 4920 * tx threshold W 4921 * MII interrupt W 4922 * 4923 * These appear to be bits in the PHY registers, 4924 * which our MII code handles on its own. 4925 */ 4926 4927 /* 4928 * Before we probe the MII bus, we need to reset 4929 * it and issue the selection sequence. 4930 */ 4931 4932 cp = &sc->sc_srom[tm->tm_reset_offset]; 4933 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { 4934 delay(10); 4935 TULIP_WRITE(sc, CSR_SIAGEN, 4936 TULIP_ROM_GETW(cp, 0) << 16); 4937 } 4938 4939 cp = &sc->sc_srom[tm->tm_gp_offset]; 4940 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { 4941 delay(10); 4942 TULIP_WRITE(sc, CSR_SIAGEN, 4943 TULIP_ROM_GETW(cp, 0) << 16); 4944 } 4945 4946 /* If there were no sequences, just lower the pins. */ 4947 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4948 delay(10); 4949 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4950 } 4951 4952 /* 4953 * Now, probe the MII for the PHY. Note, we know 4954 * the location of the PHY on the bus, but we don't 4955 * particularly care; the MII code just likes to 4956 * search the whole thing anyhow. 4957 */ 4958 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 4959 MII_PHY_ANY, tm->tm_phyno, 0); 4960 4961 /* 4962 * Now, search for the PHY we hopefully just 4963 * configured. If it's not configured into the 4964 * kernel, we lose. The PHY's default media always 4965 * takes priority. 4966 */ 4967 LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { 4968 if (phy->mii_offset == tm->tm_phyno) 4969 break; 4970 } 4971 if (phy == NULL) { 4972 aprint_error_dev(sc->sc_dev, "unable to configure MII\n"); 4973 break; 4974 } 4975 4976 sc->sc_flags |= TULIPF_HAS_MII; 4977 sc->sc_tick = tlp_mii_tick; 4978 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4979 phy->mii_inst); 4980 4981 /* 4982 * Okay, now that we've found the PHY and the MII 4983 * layer has added all of the media associated 4984 * with that PHY, we need to traverse the media 4985 * list, and add our `tm' to each entry's `aux' 4986 * pointer. 4987 * 4988 * We do this by looking for media with our 4989 * PHY's `instance'. 4990 */ 4991 TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, 4992 ifm_list) { 4993 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4994 continue; 4995 ife->ifm_aux = tm; 4996 } 4997 break; 4998 4999 case TULIP_ROM_MB_21143_SYM: 5000 tlp_get_minst(sc); 5001 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 5002 5003 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5004 5005 tm->tm_type = TULIP_ROM_MB_21143_SYM; 5006 tm->tm_get = tlp_sia_get; 5007 tm->tm_set = tlp_sia_set; 5008 5009 /* First is the media type code. */ 5010 tsti = tlp_srom_to_ifmedia(cp[0] & 5011 TULIP_ROM_MB_MEDIA_CODE); 5012 if (tsti == NULL) { 5013 /* Invalid media code. */ 5014 free(tm, M_DEVBUF); 5015 break; 5016 } 5017 5018 /* Get defaults. */ 5019 tlp_srom_media_info(sc, tsti, tm); 5020 5021 /* Next is GPIO control/data. */ 5022 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; 5023 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; 5024 5025 /* 5026 * Next is a word containing OPMODE information 5027 * and info on how to detect if this media is 5028 * active. 5029 */ 5030 word = TULIP_ROM_GETW(cp, 5); 5031 tm->tm_opmode &= OPMODE_FD; 5032 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); 5033 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 5034 tm->tm_actmask = 5035 TULIP_ROM_MB_BITPOS(word); 5036 tm->tm_actdata = 5037 (word & TULIP_ROM_MB_POLARITY) ? 5038 0 : tm->tm_actmask; 5039 } 5040 5041 ifmedia_add(&sc->sc_mii.mii_media, 5042 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 5043 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 5044 break; 5045 5046 case TULIP_ROM_MB_21143_RESET: 5047 aprint_normal_dev(sc->sc_dev, "21143 reset block\n"); 5048 break; 5049 5050 default: 5051 aprint_error_dev(sc->sc_dev, 5052 "unknown ISV media block type 0x%02x\n", type); 5053 } 5054 } 5055 5056 /* 5057 * Deal with the case where no media is configured. 5058 */ 5059 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 5060 aprint_error_dev(sc->sc_dev, "no media found!\n"); 5061 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5062 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5063 return; 5064 } 5065 5066 /* 5067 * Pick the default media. 5068 */ 5069 if (miidef != 0) 5070 defmedia = miidef; 5071 else { 5072 switch (sc->sc_chip) { 5073 case TULIP_CHIP_21140: 5074 case TULIP_CHIP_21140A: 5075 /* XXX should come from SROM */ 5076 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5077 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, 5078 sc->sc_mii.mii_media.ifm_mask) == NULL) { 5079 /* 5080 * There is not a 10baseT media. 5081 * Fall back to the first found one. 5082 */ 5083 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 5084 defmedia = ife->ifm_media; 5085 } 5086 break; 5087 5088 case TULIP_CHIP_21142: 5089 case TULIP_CHIP_21143: 5090 case TULIP_CHIP_MX98713A: 5091 case TULIP_CHIP_MX98715: 5092 case TULIP_CHIP_MX98715A: 5093 case TULIP_CHIP_MX98715AEC_X: 5094 case TULIP_CHIP_MX98725: 5095 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5096 tm->tm_name = "auto"; 5097 tm->tm_get = tlp_2114x_nway_get; 5098 tm->tm_set = tlp_2114x_nway_set; 5099 5100 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); 5101 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); 5102 5103 sc->sc_statchg = tlp_2114x_nway_statchg; 5104 sc->sc_tick = tlp_2114x_nway_tick; 5105 break; 5106 5107 default: 5108 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 5109 break; 5110 } 5111 } 5112 5113 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 5114 5115 /* 5116 * Display any non-MII media we've located. 5117 */ 5118 if (sc->sc_media_seen & 5119 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 5120 tlp_print_media(sc); 5121 5122 tlp_sia_fixup(sc); 5123 } 5124 5125 static void 5126 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5127 { 5128 5129 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); 5130 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5131 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5132 } 5133 5134 static int 5135 tlp_2114x_nway_set(struct tulip_softc *sc) 5136 { 5137 5138 return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); 5139 } 5140 5141 static void 5142 tlp_2114x_nway_statchg(struct ifnet *ifp) 5143 { 5144 struct tulip_softc *sc = ifp->if_softc; 5145 struct mii_data *mii = &sc->sc_mii; 5146 struct ifmedia_entry *ife; 5147 5148 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) 5149 return; 5150 5151 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, 5152 mii->mii_media.ifm_mask)) == NULL) { 5153 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n", 5154 mii->mii_media_active, ~mii->mii_media.ifm_mask); 5155 panic("tlp_2114x_nway_statchg"); 5156 } 5157 5158 tlp_sia_media(sc, ife); 5159 } 5160 5161 static void 5162 tlp_2114x_nway_tick(void *arg) 5163 { 5164 struct tulip_softc *sc = arg; 5165 struct mii_data *mii = &sc->sc_mii; 5166 int s, ticks; 5167 5168 if (!device_is_active(sc->sc_dev)) 5169 return; 5170 5171 s = splnet(); 5172 tlp_2114x_nway_service(sc, MII_TICK); 5173 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && 5174 (mii->mii_media_status & IFM_ACTIVE) != 0 && 5175 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 5176 sc->sc_flags |= TULIPF_LINK_UP; 5177 tlp_start(&sc->sc_ethercom.ec_if); 5178 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && 5179 (mii->mii_media_status & IFM_ACTIVE) == 0) { 5180 sc->sc_flags &= ~TULIPF_LINK_UP; 5181 } 5182 splx(s); 5183 5184 if ((sc->sc_flags & TULIPF_LINK_UP) == 0) 5185 ticks = hz >> 3; 5186 else 5187 ticks = hz; 5188 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); 5189 } 5190 5191 /* 5192 * Support for the 2114X internal NWay block. This is constructed 5193 * somewhat like a PHY driver for simplicity. 5194 */ 5195 5196 static int 5197 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) 5198 { 5199 struct mii_data *mii = &sc->sc_mii; 5200 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5201 5202 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5203 return (0); 5204 5205 switch (cmd) { 5206 case MII_POLLSTAT: 5207 /* Nothing special to do here. */ 5208 break; 5209 5210 case MII_MEDIACHG: 5211 switch (IFM_SUBTYPE(ife->ifm_media)) { 5212 case IFM_AUTO: 5213 goto restart; 5214 default: 5215 /* Manual setting doesn't go through here. */ 5216 printf("tlp_2114x_nway_service: oops!\n"); 5217 return (EINVAL); 5218 } 5219 break; 5220 5221 case MII_TICK: 5222 /* 5223 * Only used for autonegotiation. 5224 */ 5225 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5226 break; 5227 5228 /* 5229 * Check to see if we have link. If we do, we don't 5230 * need to restart the autonegotiation process. 5231 */ 5232 #if 0 5233 if (mii->mii_media_status & IFM_ACTIVE) 5234 #else 5235 if (sc->sc_flags & TULIPF_LINK_UP) 5236 #endif 5237 break; 5238 5239 /* 5240 * Only retry autonegotiation every 5 seconds. 5241 */ 5242 if (++sc->sc_nway_ticks != (5 << 3)) 5243 break; 5244 5245 restart: 5246 sc->sc_nway_ticks = 0; 5247 ife->ifm_data = IFM_NONE; 5248 tlp_2114x_nway_auto(sc); 5249 break; 5250 } 5251 5252 /* Update the media status. */ 5253 tlp_2114x_nway_status(sc); 5254 5255 /* 5256 * Callback if something changed. Manually configuration goes through 5257 * tlp_sia_set() anyway, so ignore that here. 5258 */ 5259 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && 5260 ife->ifm_data != mii->mii_media_active) { 5261 (*sc->sc_statchg)(mii->mii_ifp); 5262 ife->ifm_data = mii->mii_media_active; 5263 } 5264 return (0); 5265 } 5266 5267 static void 5268 tlp_2114x_nway_auto(struct tulip_softc *sc) 5269 { 5270 uint32_t siastat, siatxrx; 5271 5272 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5273 5274 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); 5275 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; 5276 siatxrx = 0xffbf; /* XXX magic number */ 5277 5278 /* Compute the link code word to advertise. */ 5279 if (sc->sc_sia_cap & BMSR_100T4) 5280 siatxrx |= SIATXRX_T4; 5281 if (sc->sc_sia_cap & BMSR_100TXFDX) 5282 siatxrx |= SIATXRX_TXF; 5283 if (sc->sc_sia_cap & BMSR_100TXHDX) 5284 siatxrx |= SIATXRX_THX; 5285 if (sc->sc_sia_cap & BMSR_10TFDX) 5286 sc->sc_opmode |= OPMODE_FD; 5287 if (sc->sc_sia_cap & BMSR_10THDX) 5288 siatxrx |= SIATXRX_TH; 5289 5290 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5291 5292 TULIP_WRITE(sc, CSR_SIACONN, 0); 5293 delay(1000); 5294 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); 5295 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); 5296 5297 siastat = TULIP_READ(sc, CSR_SIASTAT); 5298 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| 5299 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); 5300 siastat |= SIASTAT_ANS_TXDIS; 5301 TULIP_WRITE(sc, CSR_SIASTAT, siastat); 5302 } 5303 5304 static void 5305 tlp_2114x_nway_status(struct tulip_softc *sc) 5306 { 5307 struct mii_data *mii = &sc->sc_mii; 5308 uint32_t siatxrx, siastat, anlpar; 5309 5310 mii->mii_media_status = IFM_AVALID; 5311 mii->mii_media_active = IFM_ETHER; 5312 5313 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5314 return; 5315 5316 siastat = TULIP_READ(sc, CSR_SIASTAT); 5317 siatxrx = TULIP_READ(sc, CSR_SIATXRX); 5318 5319 if (siatxrx & SIATXRX_ANE) { 5320 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { 5321 /* Erg, still trying, I guess... */ 5322 mii->mii_media_active |= IFM_NONE; 5323 return; 5324 } 5325 5326 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5327 mii->mii_media_status |= IFM_ACTIVE; 5328 5329 if (siastat & SIASTAT_LPN) { 5330 anlpar = SIASTAT_GETLPC(siastat); 5331 if (anlpar & ANLPAR_T4 && 5332 sc->sc_sia_cap & BMSR_100T4) 5333 mii->mii_media_active |= IFM_100_T4; 5334 else if (anlpar & ANLPAR_TX_FD && 5335 sc->sc_sia_cap & BMSR_100TXFDX) 5336 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5337 else if (anlpar & ANLPAR_TX && 5338 sc->sc_sia_cap & BMSR_100TXHDX) 5339 mii->mii_media_active |= IFM_100_TX; 5340 else if (anlpar & ANLPAR_10_FD && 5341 sc->sc_sia_cap & BMSR_10TFDX) 5342 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5343 else if (anlpar & ANLPAR_10 && 5344 sc->sc_sia_cap & BMSR_10THDX) 5345 mii->mii_media_active |= IFM_10_T; 5346 else 5347 mii->mii_media_active |= IFM_NONE; 5348 } else { 5349 /* 5350 * If the other side doesn't support NWAY, then the 5351 * best we can do is determine if we have a 10Mbps or 5352 * 100Mbps link. There's no way to know if the link 5353 * is full or half duplex, so we default to half duplex 5354 * and hope that the user is clever enough to manually 5355 * change the media settings if we're wrong. 5356 */ 5357 if ((siastat & SIASTAT_LS100) == 0) 5358 mii->mii_media_active |= IFM_100_TX; 5359 else if ((siastat & SIASTAT_LS10) == 0) 5360 mii->mii_media_active |= IFM_10_T; 5361 else 5362 mii->mii_media_active |= IFM_NONE; 5363 } 5364 } else { 5365 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) 5366 mii->mii_media_status |= IFM_ACTIVE; 5367 5368 if (sc->sc_opmode & OPMODE_TTM) 5369 mii->mii_media_active |= IFM_10_T; 5370 else 5371 mii->mii_media_active |= IFM_100_TX; 5372 if (sc->sc_opmode & OPMODE_FD) 5373 mii->mii_media_active |= IFM_FDX; 5374 } 5375 } 5376 5377 static void 5378 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5379 { 5380 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5381 struct tulip_21x4x_media *tm = ife->ifm_aux; 5382 5383 (*tm->tm_get)(sc, ifmr); 5384 } 5385 5386 static int 5387 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) 5388 { 5389 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 5390 struct tulip_21x4x_media *tm = ife->ifm_aux; 5391 5392 /* 5393 * Check to see if we need to reset the chip, and do it. The 5394 * reset path will get the OPMODE register right the next 5395 * time through. 5396 */ 5397 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 5398 return (tlp_init(&sc->sc_ethercom.ec_if)); 5399 5400 return ((*tm->tm_set)(sc)); 5401 } 5402 5403 /* 5404 * MII-on-SIO media switch. Handles only MII attached to the SIO. 5405 */ 5406 static void tlp_sio_mii_tmsw_init(struct tulip_softc *); 5407 5408 const struct tulip_mediasw tlp_sio_mii_mediasw = { 5409 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5410 }; 5411 5412 static void 5413 tlp_sio_mii_tmsw_init(struct tulip_softc *sc) 5414 { 5415 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5416 5417 /* 5418 * We don't attach any media info structures to the ifmedia 5419 * entries, so if we're using a pre-init function that needs 5420 * that info, override it to one that doesn't. 5421 */ 5422 if (sc->sc_preinit == tlp_2114x_preinit) 5423 sc->sc_preinit = tlp_2114x_mii_preinit; 5424 5425 sc->sc_mii.mii_ifp = ifp; 5426 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5427 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5428 sc->sc_mii.mii_statchg = sc->sc_statchg; 5429 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5430 tlp_mediastatus); 5431 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5432 MII_OFFSET_ANY, 0); 5433 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5434 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5435 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5436 } else { 5437 sc->sc_flags |= TULIPF_HAS_MII; 5438 sc->sc_tick = tlp_mii_tick; 5439 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5440 } 5441 } 5442 5443 /* 5444 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 5445 */ 5446 static void tlp_pnic_tmsw_init(struct tulip_softc *); 5447 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); 5448 static int tlp_pnic_tmsw_set(struct tulip_softc *); 5449 5450 const struct tulip_mediasw tlp_pnic_mediasw = { 5451 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 5452 }; 5453 5454 static void tlp_pnic_nway_statchg(struct ifnet *); 5455 static void tlp_pnic_nway_tick(void *); 5456 static int tlp_pnic_nway_service(struct tulip_softc *, int); 5457 static void tlp_pnic_nway_reset(struct tulip_softc *); 5458 static int tlp_pnic_nway_auto(struct tulip_softc *, int); 5459 static void tlp_pnic_nway_auto_timeout(void *); 5460 static void tlp_pnic_nway_status(struct tulip_softc *); 5461 static void tlp_pnic_nway_acomp(struct tulip_softc *); 5462 5463 static void 5464 tlp_pnic_tmsw_init(struct tulip_softc *sc) 5465 { 5466 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5467 const char *sep = ""; 5468 5469 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 5470 #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " 5471 5472 sc->sc_mii.mii_ifp = ifp; 5473 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 5474 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 5475 sc->sc_mii.mii_statchg = sc->sc_statchg; 5476 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5477 tlp_mediastatus); 5478 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5479 MII_OFFSET_ANY, 0); 5480 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5481 /* XXX What about AUI/BNC support? */ 5482 aprint_normal_dev(sc->sc_dev, ""); 5483 5484 tlp_pnic_nway_reset(sc); 5485 5486 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 5487 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 5488 PRINT("10baseT"); 5489 5490 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 5491 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 5492 PRINT("10baseT-FDX"); 5493 5494 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 5495 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 5496 PRINT("100baseTX"); 5497 5498 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 5499 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 5500 PNIC_NWAY_CAP100TXFDX); 5501 PRINT("100baseTX-FDX"); 5502 5503 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 5504 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 5505 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 5506 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 5507 PRINT("auto"); 5508 5509 aprint_normal("\n"); 5510 5511 sc->sc_statchg = tlp_pnic_nway_statchg; 5512 sc->sc_tick = tlp_pnic_nway_tick; 5513 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5514 } else { 5515 sc->sc_flags |= TULIPF_HAS_MII; 5516 sc->sc_tick = tlp_mii_tick; 5517 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5518 } 5519 5520 #undef ADD 5521 #undef PRINT 5522 } 5523 5524 static void 5525 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) 5526 { 5527 struct mii_data *mii = &sc->sc_mii; 5528 5529 if (sc->sc_flags & TULIPF_HAS_MII) 5530 tlp_mii_getmedia(sc, ifmr); 5531 else { 5532 mii->mii_media_status = 0; 5533 mii->mii_media_active = IFM_NONE; 5534 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5535 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5536 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5537 } 5538 } 5539 5540 static int 5541 tlp_pnic_tmsw_set(struct tulip_softc *sc) 5542 { 5543 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5544 struct mii_data *mii = &sc->sc_mii; 5545 5546 if (sc->sc_flags & TULIPF_HAS_MII) { 5547 /* 5548 * Make sure the built-in Tx jabber timer is disabled. 5549 */ 5550 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5551 5552 return (tlp_mii_setmedia(sc)); 5553 } 5554 5555 if (ifp->if_flags & IFF_UP) { 5556 mii->mii_media_status = 0; 5557 mii->mii_media_active = IFM_NONE; 5558 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5559 } 5560 5561 return (0); 5562 } 5563 5564 static void 5565 tlp_pnic_nway_statchg(struct ifnet *ifp) 5566 { 5567 struct tulip_softc *sc = ifp->if_softc; 5568 5569 /* Idle the transmit and receive processes. */ 5570 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5571 5572 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5573 OPMODE_SCR|OPMODE_HBD); 5574 5575 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5576 sc->sc_opmode |= OPMODE_TTM; 5577 TULIP_WRITE(sc, CSR_GPP, 5578 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5579 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5580 } else { 5581 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5582 TULIP_WRITE(sc, CSR_GPP, 5583 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5584 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5585 } 5586 5587 if (sc->sc_mii.mii_media_active & IFM_FDX) 5588 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5589 5590 /* 5591 * Write new OPMODE bits. This also restarts the transmit 5592 * and receive processes. 5593 */ 5594 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5595 } 5596 5597 static void 5598 tlp_pnic_nway_tick(void *arg) 5599 { 5600 struct tulip_softc *sc = arg; 5601 int s; 5602 5603 if (!device_is_active(sc->sc_dev)) 5604 return; 5605 5606 s = splnet(); 5607 tlp_pnic_nway_service(sc, MII_TICK); 5608 splx(s); 5609 5610 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5611 } 5612 5613 /* 5614 * Support for the Lite-On PNIC internal NWay block. This is constructed 5615 * somewhat like a PHY driver for simplicity. 5616 */ 5617 5618 static int 5619 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) 5620 { 5621 struct mii_data *mii = &sc->sc_mii; 5622 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5623 5624 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5625 return (0); 5626 5627 switch (cmd) { 5628 case MII_POLLSTAT: 5629 /* Nothing special to do here. */ 5630 break; 5631 5632 case MII_MEDIACHG: 5633 switch (IFM_SUBTYPE(ife->ifm_media)) { 5634 case IFM_AUTO: 5635 (void) tlp_pnic_nway_auto(sc, 1); 5636 break; 5637 case IFM_100_T4: 5638 /* 5639 * XXX Not supported as a manual setting right now. 5640 */ 5641 return (EINVAL); 5642 default: 5643 /* 5644 * NWAY register data is stored in the ifmedia entry. 5645 */ 5646 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5647 } 5648 break; 5649 5650 case MII_TICK: 5651 /* 5652 * Only used for autonegotiation. 5653 */ 5654 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5655 return (0); 5656 5657 /* 5658 * Check to see if we have link. If we do, we don't 5659 * need to restart the autonegotiation process. 5660 */ 5661 if (sc->sc_flags & TULIPF_LINK_UP) 5662 return (0); 5663 5664 /* 5665 * Only retry autonegotiation every 5 seconds. 5666 */ 5667 if (++sc->sc_nway_ticks != 5) 5668 return (0); 5669 5670 sc->sc_nway_ticks = 0; 5671 tlp_pnic_nway_reset(sc); 5672 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5673 return (0); 5674 break; 5675 } 5676 5677 /* Update the media status. */ 5678 tlp_pnic_nway_status(sc); 5679 5680 /* Callback if something changed. */ 5681 if ((sc->sc_nway_active == NULL || 5682 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5683 cmd == MII_MEDIACHG) { 5684 (*sc->sc_statchg)(mii->mii_ifp); 5685 tlp_nway_activate(sc, mii->mii_media_active); 5686 } 5687 return (0); 5688 } 5689 5690 static void 5691 tlp_pnic_nway_reset(struct tulip_softc *sc) 5692 { 5693 5694 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5695 delay(100); 5696 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5697 } 5698 5699 static int 5700 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) 5701 { 5702 struct mii_data *mii = &sc->sc_mii; 5703 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5704 uint32_t reg; 5705 int i; 5706 5707 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5708 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5709 5710 if (waitfor) { 5711 /* Wait 500ms for it to complete. */ 5712 for (i = 0; i < 500; i++) { 5713 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5714 if (reg & PNIC_NWAY_LPAR_MASK) { 5715 tlp_pnic_nway_acomp(sc); 5716 return (0); 5717 } 5718 delay(1000); 5719 } 5720 #if 0 5721 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5722 aprint_error_dev(sc->sc_dev, "autonegotiation failed to complete\n"); 5723 #endif 5724 5725 /* 5726 * Don't need to worry about clearing DOINGAUTO. 5727 * If that's set, a timeout is pending, and it will 5728 * clear the flag. 5729 */ 5730 return (EIO); 5731 } 5732 5733 /* 5734 * Just let it finish asynchronously. This is for the benefit of 5735 * the tick handler driving autonegotiation. Don't want 500ms 5736 * delays all the time while the system is running! 5737 */ 5738 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5739 sc->sc_flags |= TULIPF_DOINGAUTO; 5740 callout_reset(&sc->sc_nway_callout, hz >> 1, 5741 tlp_pnic_nway_auto_timeout, sc); 5742 } 5743 return (EJUSTRETURN); 5744 } 5745 5746 static void 5747 tlp_pnic_nway_auto_timeout(void *arg) 5748 { 5749 struct tulip_softc *sc = arg; 5750 /* uint32_t reg; */ 5751 int s; 5752 5753 s = splnet(); 5754 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5755 /* reg = */ 5756 TULIP_READ(sc, CSR_PNIC_NWAY); 5757 #if 0 5758 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5759 aprint_error_dev(sc->sc_dev, "autonegotiation failed to complete\n"); 5760 #endif 5761 5762 tlp_pnic_nway_acomp(sc); 5763 5764 /* Update the media status. */ 5765 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5766 splx(s); 5767 } 5768 5769 static void 5770 tlp_pnic_nway_status(struct tulip_softc *sc) 5771 { 5772 struct mii_data *mii = &sc->sc_mii; 5773 uint32_t reg; 5774 5775 mii->mii_media_status = IFM_AVALID; 5776 mii->mii_media_active = IFM_ETHER; 5777 5778 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5779 5780 if (sc->sc_flags & TULIPF_LINK_UP) 5781 mii->mii_media_status |= IFM_ACTIVE; 5782 5783 if (reg & PNIC_NWAY_NW) { 5784 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5785 /* Erg, still trying, I guess... */ 5786 mii->mii_media_active |= IFM_NONE; 5787 return; 5788 } 5789 5790 #if 0 5791 if (reg & PNIC_NWAY_LPAR100T4) 5792 mii->mii_media_active |= IFM_100_T4; 5793 else 5794 #endif 5795 if (reg & PNIC_NWAY_LPAR100TXFDX) 5796 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5797 else if (reg & PNIC_NWAY_LPAR100TX) 5798 mii->mii_media_active |= IFM_100_TX; 5799 else if (reg & PNIC_NWAY_LPAR10TFDX) 5800 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5801 else if (reg & PNIC_NWAY_LPAR10T) 5802 mii->mii_media_active |= IFM_10_T; 5803 else 5804 mii->mii_media_active |= IFM_NONE; 5805 } else { 5806 if (reg & PNIC_NWAY_100) 5807 mii->mii_media_active |= IFM_100_TX; 5808 else 5809 mii->mii_media_active |= IFM_10_T; 5810 if (reg & PNIC_NWAY_FD) 5811 mii->mii_media_active |= IFM_FDX; 5812 } 5813 } 5814 5815 static void 5816 tlp_pnic_nway_acomp(struct tulip_softc *sc) 5817 { 5818 uint32_t reg; 5819 5820 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5821 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5822 5823 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5824 reg |= PNIC_NWAY_100; 5825 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5826 reg |= PNIC_NWAY_FD; 5827 5828 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5829 } 5830 5831 /* 5832 * Macronix PMAC and Lite-On PNIC-II media switch: 5833 * 5834 * MX98713 and MX98713A 21140-like MII or GPIO media. 5835 * 5836 * MX98713A 21143-like MII or SIA/SYM media. 5837 * 5838 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5839 * 82C115, MX98715AEC-C, -E 5840 * 5841 * So, what we do here is fake MII-on-SIO or ISV media info, and 5842 * use the ISV media switch get/set functions to handle the rest. 5843 */ 5844 5845 static void tlp_pmac_tmsw_init(struct tulip_softc *); 5846 5847 const struct tulip_mediasw tlp_pmac_mediasw = { 5848 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5849 }; 5850 5851 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5852 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5853 }; 5854 5855 static void 5856 tlp_pmac_tmsw_init(struct tulip_softc *sc) 5857 { 5858 static const uint8_t media[] = { 5859 TULIP_ROM_MB_MEDIA_TP, 5860 TULIP_ROM_MB_MEDIA_TP_FDX, 5861 TULIP_ROM_MB_MEDIA_100TX, 5862 TULIP_ROM_MB_MEDIA_100TX_FDX, 5863 }; 5864 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5865 struct tulip_21x4x_media *tm; 5866 5867 sc->sc_mii.mii_ifp = ifp; 5868 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5869 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5870 sc->sc_mii.mii_statchg = sc->sc_statchg; 5871 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5872 tlp_mediastatus); 5873 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5874 sc->sc_chip == TULIP_CHIP_MX98713A) { 5875 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 5876 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5877 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5878 sc->sc_flags |= TULIPF_HAS_MII; 5879 sc->sc_tick = tlp_mii_tick; 5880 sc->sc_preinit = tlp_2114x_mii_preinit; 5881 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5882 ifmedia_set(&sc->sc_mii.mii_media, 5883 IFM_ETHER|IFM_AUTO); 5884 return; 5885 } 5886 } 5887 5888 switch (sc->sc_chip) { 5889 case TULIP_CHIP_MX98713: 5890 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5891 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5892 5893 /* 5894 * XXX Should implement auto-sense for this someday, 5895 * XXX when we do the same for the 21140. 5896 */ 5897 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5898 break; 5899 5900 default: 5901 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5902 tlp_sia_get, tlp_sia_set, media, 2); 5903 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5904 tlp_sia_get, tlp_sia_set, media + 2, 2); 5905 5906 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); 5907 tm->tm_name = "auto"; 5908 tm->tm_get = tlp_2114x_nway_get; 5909 tm->tm_set = tlp_2114x_nway_set; 5910 ifmedia_add(&sc->sc_mii.mii_media, 5911 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); 5912 5913 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5914 sc->sc_statchg = tlp_2114x_nway_statchg; 5915 sc->sc_tick = tlp_2114x_nway_tick; 5916 break; 5917 } 5918 5919 tlp_print_media(sc); 5920 tlp_sia_fixup(sc); 5921 5922 /* Set the LED modes. */ 5923 tlp_pmac_reset(sc); 5924 5925 sc->sc_reset = tlp_pmac_reset; 5926 } 5927 5928 /* 5929 * ADMtek AL981 media switch. Only has internal PHY. 5930 */ 5931 static void tlp_al981_tmsw_init(struct tulip_softc *); 5932 5933 const struct tulip_mediasw tlp_al981_mediasw = { 5934 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5935 }; 5936 5937 static void 5938 tlp_al981_tmsw_init(struct tulip_softc *sc) 5939 { 5940 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5941 5942 sc->sc_mii.mii_ifp = ifp; 5943 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5944 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5945 sc->sc_mii.mii_statchg = sc->sc_statchg; 5946 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5947 tlp_mediastatus); 5948 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5949 MII_OFFSET_ANY, 0); 5950 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5951 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5952 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5953 } else { 5954 sc->sc_flags |= TULIPF_HAS_MII; 5955 sc->sc_tick = tlp_mii_tick; 5956 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5957 } 5958 } 5959 5960 /* 5961 * ADMtek AN983/985 media switch. Only has internal PHY, but 5962 * on an SIO-like interface. Unfortunately, we can't use the 5963 * standard SIO media switch, because the AN985 "ghosts" the 5964 * singly PHY at every address. 5965 */ 5966 static void tlp_an985_tmsw_init(struct tulip_softc *); 5967 5968 const struct tulip_mediasw tlp_an985_mediasw = { 5969 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5970 }; 5971 5972 static void 5973 tlp_an985_tmsw_init(struct tulip_softc *sc) 5974 { 5975 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5976 5977 sc->sc_mii.mii_ifp = ifp; 5978 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5979 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5980 sc->sc_mii.mii_statchg = sc->sc_statchg; 5981 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5982 tlp_mediastatus); 5983 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 5984 MII_OFFSET_ANY, 0); 5985 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5986 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5987 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5988 } else { 5989 sc->sc_flags |= TULIPF_HAS_MII; 5990 sc->sc_tick = tlp_mii_tick; 5991 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5992 } 5993 } 5994 5995 /* 5996 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. 5997 */ 5998 static void tlp_dm9102_tmsw_init(struct tulip_softc *); 5999 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, 6000 struct ifmediareq *); 6001 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); 6002 6003 const struct tulip_mediasw tlp_dm9102_mediasw = { 6004 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, 6005 tlp_dm9102_tmsw_setmedia 6006 }; 6007 6008 static void 6009 tlp_dm9102_tmsw_init(struct tulip_softc *sc) 6010 { 6011 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6012 uint32_t opmode; 6013 6014 sc->sc_mii.mii_ifp = ifp; 6015 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6016 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6017 sc->sc_mii.mii_statchg = sc->sc_statchg; 6018 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6019 tlp_mediastatus); 6020 6021 /* PHY block already reset via tlp_reset(). */ 6022 6023 /* 6024 * Configure OPMODE properly for the internal MII interface. 6025 */ 6026 switch (sc->sc_chip) { 6027 case TULIP_CHIP_DM9102: 6028 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; 6029 break; 6030 6031 case TULIP_CHIP_DM9102A: 6032 opmode = OPMODE_MBO|OPMODE_HBD; 6033 break; 6034 6035 default: 6036 opmode = 0; 6037 break; 6038 } 6039 6040 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6041 6042 /* Now, probe the internal MII for the internal PHY. */ 6043 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6044 MII_OFFSET_ANY, 0); 6045 6046 /* 6047 * XXX Figure out what to do about the HomePNA portion 6048 * XXX of the DM9102A. 6049 */ 6050 6051 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6052 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6053 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6054 } else { 6055 sc->sc_flags |= TULIPF_HAS_MII; 6056 sc->sc_tick = tlp_mii_tick; 6057 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6058 } 6059 } 6060 6061 static void 6062 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6063 { 6064 6065 /* XXX HomePNA on DM9102A. */ 6066 tlp_mii_getmedia(sc, ifmr); 6067 } 6068 6069 static int 6070 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) 6071 { 6072 6073 /* XXX HomePNA on DM9102A. */ 6074 return (tlp_mii_setmedia(sc)); 6075 } 6076 6077 /* 6078 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. 6079 */ 6080 6081 static void tlp_asix_tmsw_init(struct tulip_softc *); 6082 static void tlp_asix_tmsw_getmedia(struct tulip_softc *, 6083 struct ifmediareq *); 6084 static int tlp_asix_tmsw_setmedia(struct tulip_softc *); 6085 6086 const struct tulip_mediasw tlp_asix_mediasw = { 6087 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, 6088 tlp_asix_tmsw_setmedia 6089 }; 6090 6091 static void 6092 tlp_asix_tmsw_init(struct tulip_softc *sc) 6093 { 6094 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6095 uint32_t opmode; 6096 6097 sc->sc_mii.mii_ifp = ifp; 6098 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6099 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6100 sc->sc_mii.mii_statchg = sc->sc_statchg; 6101 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6102 tlp_mediastatus); 6103 6104 /* 6105 * Configure OPMODE properly for the internal MII interface. 6106 */ 6107 switch (sc->sc_chip) { 6108 case TULIP_CHIP_AX88140: 6109 case TULIP_CHIP_AX88141: 6110 opmode = OPMODE_HBD|OPMODE_PS; 6111 break; 6112 default: 6113 opmode = 0; 6114 break; 6115 } 6116 6117 TULIP_WRITE(sc, CSR_OPMODE, opmode); 6118 6119 /* Now, probe the internal MII for the internal PHY. */ 6120 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 6121 MII_OFFSET_ANY, 0); 6122 6123 /* XXX Figure how to handle the PHY. */ 6124 6125 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6126 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6127 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6128 } else { 6129 sc->sc_flags |= TULIPF_HAS_MII; 6130 sc->sc_tick = tlp_mii_tick; 6131 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6132 } 6133 6134 6135 } 6136 6137 static void 6138 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 6139 { 6140 6141 /* XXX PHY handling. */ 6142 tlp_mii_getmedia(sc, ifmr); 6143 } 6144 6145 static int 6146 tlp_asix_tmsw_setmedia(struct tulip_softc *sc) 6147 { 6148 6149 /* XXX PHY handling. */ 6150 return (tlp_mii_setmedia(sc)); 6151 } 6152 6153 /* 6154 * RS7112 media switch. Handles only MII attached to the SIO. 6155 * We only have a PHY at 1. 6156 */ 6157 void tlp_rs7112_tmsw_init(struct tulip_softc *); 6158 6159 const struct tulip_mediasw tlp_rs7112_mediasw = { 6160 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 6161 }; 6162 6163 void 6164 tlp_rs7112_tmsw_init(struct tulip_softc *sc) 6165 { 6166 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 6167 6168 /* 6169 * We don't attach any media info structures to the ifmedia 6170 * entries, so if we're using a pre-init function that needs 6171 * that info, override it to one that doesn't. 6172 */ 6173 if (sc->sc_preinit == tlp_2114x_preinit) 6174 sc->sc_preinit = tlp_2114x_mii_preinit; 6175 6176 sc->sc_mii.mii_ifp = ifp; 6177 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 6178 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 6179 sc->sc_mii.mii_statchg = sc->sc_statchg; 6180 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 6181 tlp_mediastatus); 6182 6183 /* 6184 * The RS7112 reports a PHY at 0 (possibly HomePNA?) 6185 * and 1 (ethernet). We attach ethernet only. 6186 */ 6187 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, 6188 MII_OFFSET_ANY, 0); 6189 6190 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 6191 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 6192 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 6193 } else { 6194 sc->sc_flags |= TULIPF_HAS_MII; 6195 sc->sc_tick = tlp_mii_tick; 6196 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 6197 } 6198 } 6199 6200 const char * 6201 tlp_chip_name(tulip_chip_t t) { 6202 if ((int)t < 0 || (int)t >= __arraycount(tlp_chip_names)) { 6203 static char buf[256]; 6204 (void)snprintf(buf, sizeof(buf), "[unknown 0x%x]", t); 6205 return buf; 6206 } 6207 return tlp_chip_names[t]; 6208 } 6209
Indexes created Wed Oct 15 16:09:53 GMT 2025