| 1 | /* $NetBSD: tulip.c,v 1.188 2016/07/11 11:31:50 msaitoh 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 1.188 2016/07/11 11:31:50 msaitoh 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, |
| 395 | "unable to allocate control data, error = %d\n" , 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, |
| 403 | "unable to map control data, error = %d\n" , 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, |
| 412 | "unable to create control data DMA map, error = %d\n" , |
| 413 | error); |
| 414 | goto fail_2; |
| 415 | } |
| 416 | |
| 417 | if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, |
| 418 | sc->sc_control_data, sizeof(struct tulip_control_data), NULL, |
| 419 | 0)) != 0) { |
| 420 | aprint_error_dev(self, |
| 421 | "unable to load control data DMA map, error = %d\n" , |
| 422 | error); |
| 423 | goto fail_3; |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * Create the transmit buffer DMA maps. |
| 428 | * |
| 429 | * Note that on the Xircom clone, transmit buffers must be |
| 430 | * 4-byte aligned. We're almost guaranteed to have to copy |
| 431 | * the packet in that case, so we just limit ourselves to |
| 432 | * one segment. |
| 433 | * |
| 434 | * On the DM9102, the transmit logic can only handle one |
| 435 | * DMA segment. |
| 436 | */ |
| 437 | switch (sc->sc_chip) { |
| 438 | case TULIP_CHIP_X3201_3: |
| 439 | case TULIP_CHIP_DM9102: |
| 440 | case TULIP_CHIP_DM9102A: |
| 441 | case TULIP_CHIP_AX88140: |
| 442 | case TULIP_CHIP_AX88141: |
| 443 | sc->sc_ntxsegs = 1; |
| 444 | break; |
| 445 | |
| 446 | default: |
| 447 | sc->sc_ntxsegs = TULIP_NTXSEGS; |
| 448 | } |
| 449 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
| 450 | if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, |
| 451 | sc->sc_ntxsegs, MCLBYTES, 0, 0, |
| 452 | &sc->sc_txsoft[i].txs_dmamap)) != 0) { |
| 453 | sc->sc_txsoft[i].txs_dmamap = NULL; |
| 454 | aprint_error_dev(self, |
| 455 | "unable to create tx DMA map %d, error = %d\n" , i, |
| 456 | error); |
| 457 | goto fail_4; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | /* |
| 462 | * Create the receive buffer DMA maps. |
| 463 | */ |
| 464 | for (i = 0; i < TULIP_NRXDESC; i++) { |
| 465 | if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, |
| 466 | MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { |
| 467 | sc->sc_rxsoft[i].rxs_dmamap = NULL; |
| 468 | aprint_error_dev(self, |
| 469 | "unable to create rx DMA map %d, error = %d\n" , i, |
| 470 | error); |
| 471 | goto fail_5; |
| 472 | } |
| 473 | sc->sc_rxsoft[i].rxs_mbuf = NULL; |
| 474 | } |
| 475 | |
| 476 | /* |
| 477 | * From this point forward, the attachment cannot fail. A failure |
| 478 | * before this point releases all resources that may have been |
| 479 | * allocated. |
| 480 | */ |
| 481 | sc->sc_flags |= TULIPF_ATTACHED; |
| 482 | |
| 483 | /* |
| 484 | * Reset the chip to a known state. |
| 485 | */ |
| 486 | tlp_reset(sc); |
| 487 | |
| 488 | /* Announce ourselves. */ |
| 489 | aprint_normal_dev(self, "%s%sEthernet address %s\n" , |
| 490 | sc->sc_name[0] != '\0' ? sc->sc_name : "" , |
| 491 | sc->sc_name[0] != '\0' ? ", " : "" , |
| 492 | ether_sprintf(enaddr)); |
| 493 | |
| 494 | /* |
| 495 | * Check to see if we're the simulated Ethernet on Connectix |
| 496 | * Virtual PC. |
| 497 | */ |
| 498 | if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff) |
| 499 | sc->sc_flags |= TULIPF_VPC; |
| 500 | |
| 501 | /* |
| 502 | * Initialize our media structures. This may probe the MII, if |
| 503 | * present. |
| 504 | */ |
| 505 | (*sc->sc_mediasw->tmsw_init)(sc); |
| 506 | |
| 507 | strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); |
| 508 | ifp->if_softc = sc; |
| 509 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
| 510 | sc->sc_if_flags = ifp->if_flags; |
| 511 | ifp->if_ioctl = tlp_ioctl; |
| 512 | ifp->if_start = tlp_start; |
| 513 | ifp->if_watchdog = tlp_watchdog; |
| 514 | ifp->if_init = tlp_init; |
| 515 | ifp->if_stop = tlp_stop; |
| 516 | IFQ_SET_READY(&ifp->if_snd); |
| 517 | |
| 518 | /* |
| 519 | * We can support 802.1Q VLAN-sized frames. |
| 520 | */ |
| 521 | sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU; |
| 522 | |
| 523 | /* |
| 524 | * Attach the interface. |
| 525 | */ |
| 526 | if_attach(ifp); |
| 527 | ether_ifattach(ifp, enaddr); |
| 528 | ether_set_ifflags_cb(&sc->sc_ethercom, tlp_ifflags_cb); |
| 529 | |
| 530 | rnd_attach_source(&sc->sc_rnd_source, device_xname(self), |
| 531 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
| 532 | |
| 533 | if (pmf_device_register(self, NULL, NULL)) |
| 534 | pmf_class_network_register(self, ifp); |
| 535 | else |
| 536 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 537 | |
| 538 | return 0; |
| 539 | |
| 540 | /* |
| 541 | * Free any resources we've allocated during the failed attach |
| 542 | * attempt. Do this in reverse order and fall through. |
| 543 | */ |
| 544 | fail_5: |
| 545 | for (i = 0; i < TULIP_NRXDESC; i++) { |
| 546 | if (sc->sc_rxsoft[i].rxs_dmamap != NULL) |
| 547 | bus_dmamap_destroy(sc->sc_dmat, |
| 548 | sc->sc_rxsoft[i].rxs_dmamap); |
| 549 | } |
| 550 | fail_4: |
| 551 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
| 552 | if (sc->sc_txsoft[i].txs_dmamap != NULL) |
| 553 | bus_dmamap_destroy(sc->sc_dmat, |
| 554 | sc->sc_txsoft[i].txs_dmamap); |
| 555 | } |
| 556 | bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); |
| 557 | fail_3: |
| 558 | bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); |
| 559 | fail_2: |
| 560 | bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, |
| 561 | sizeof(struct tulip_control_data)); |
| 562 | fail_1: |
| 563 | bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); |
| 564 | fail_0: |
| 565 | return error; |
| 566 | } |
| 567 | |
| 568 | /* |
| 569 | * tlp_activate: |
| 570 | * |
| 571 | * Handle device activation/deactivation requests. |
| 572 | */ |
| 573 | int |
| 574 | tlp_activate(device_t self, enum devact act) |
| 575 | { |
| 576 | struct tulip_softc *sc = device_private(self); |
| 577 | |
| 578 | switch (act) { |
| 579 | case DVACT_DEACTIVATE: |
| 580 | if_deactivate(&sc->sc_ethercom.ec_if); |
| 581 | return 0; |
| 582 | default: |
| 583 | return EOPNOTSUPP; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | /* |
| 588 | * tlp_detach: |
| 589 | * |
| 590 | * Detach a Tulip interface. |
| 591 | */ |
| 592 | int |
| 593 | tlp_detach(struct tulip_softc *sc) |
| 594 | { |
| 595 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 596 | struct tulip_rxsoft *rxs; |
| 597 | struct tulip_txsoft *txs; |
| 598 | device_t self = sc->sc_dev; |
| 599 | int i, s; |
| 600 | |
| 601 | /* |
| 602 | * Succeed now if there isn't any work to do. |
| 603 | */ |
| 604 | if ((sc->sc_flags & TULIPF_ATTACHED) == 0) |
| 605 | return (0); |
| 606 | |
| 607 | s = splnet(); |
| 608 | /* Stop the interface. Callouts are stopped in it. */ |
| 609 | tlp_stop(ifp, 1); |
| 610 | splx(s); |
| 611 | |
| 612 | /* Destroy our callouts. */ |
| 613 | callout_destroy(&sc->sc_nway_callout); |
| 614 | callout_destroy(&sc->sc_tick_callout); |
| 615 | |
| 616 | if (sc->sc_flags & TULIPF_HAS_MII) { |
| 617 | /* Detach all PHYs */ |
| 618 | mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
| 619 | } |
| 620 | |
| 621 | /* Delete all remaining media. */ |
| 622 | ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); |
| 623 | |
| 624 | rnd_detach_source(&sc->sc_rnd_source); |
| 625 | |
| 626 | ether_ifdetach(ifp); |
| 627 | if_detach(ifp); |
| 628 | |
| 629 | for (i = 0; i < TULIP_NRXDESC; i++) { |
| 630 | rxs = &sc->sc_rxsoft[i]; |
| 631 | if (rxs->rxs_mbuf != NULL) { |
| 632 | bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); |
| 633 | m_freem(rxs->rxs_mbuf); |
| 634 | rxs->rxs_mbuf = NULL; |
| 635 | } |
| 636 | bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); |
| 637 | } |
| 638 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
| 639 | txs = &sc->sc_txsoft[i]; |
| 640 | if (txs->txs_mbuf != NULL) { |
| 641 | bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); |
| 642 | m_freem(txs->txs_mbuf); |
| 643 | txs->txs_mbuf = NULL; |
| 644 | } |
| 645 | bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); |
| 646 | } |
| 647 | bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); |
| 648 | bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); |
| 649 | bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data, |
| 650 | sizeof(struct tulip_control_data)); |
| 651 | bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); |
| 652 | |
| 653 | pmf_device_deregister(self); |
| 654 | |
| 655 | if (sc->sc_srom) |
| 656 | free(sc->sc_srom, M_DEVBUF); |
| 657 | |
| 658 | return (0); |
| 659 | } |
| 660 | |
| 661 | /* |
| 662 | * tlp_start: [ifnet interface function] |
| 663 | * |
| 664 | * Start packet transmission on the interface. |
| 665 | */ |
| 666 | static void |
| 667 | tlp_start(struct ifnet *ifp) |
| 668 | { |
| 669 | struct tulip_softc *sc = ifp->if_softc; |
| 670 | struct mbuf *m0, *m; |
| 671 | struct tulip_txsoft *txs, *last_txs = NULL; |
| 672 | bus_dmamap_t dmamap; |
| 673 | int error, firsttx, nexttx, lasttx = 1, ofree, seg; |
| 674 | struct tulip_desc *txd; |
| 675 | |
| 676 | DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n" , |
| 677 | device_xname(sc->sc_dev), sc->sc_flags, ifp->if_flags)); |
| 678 | |
| 679 | /* |
| 680 | * If we want a filter setup, it means no more descriptors were |
| 681 | * available for the setup routine. Let it get a chance to wedge |
| 682 | * itself into the ring. |
| 683 | */ |
| 684 | if (sc->sc_flags & TULIPF_WANT_SETUP) |
| 685 | ifp->if_flags |= IFF_OACTIVE; |
| 686 | |
| 687 | if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) |
| 688 | return; |
| 689 | |
| 690 | if (sc->sc_tick == tlp_2114x_nway_tick && |
| 691 | (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10) |
| 692 | return; |
| 693 | |
| 694 | /* |
| 695 | * Remember the previous number of free descriptors and |
| 696 | * the first descriptor we'll use. |
| 697 | */ |
| 698 | ofree = sc->sc_txfree; |
| 699 | firsttx = sc->sc_txnext; |
| 700 | |
| 701 | DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n" , |
| 702 | device_xname(sc->sc_dev), ofree, firsttx)); |
| 703 | |
| 704 | /* |
| 705 | * Loop through the send queue, setting up transmit descriptors |
| 706 | * until we drain the queue, or use up all available transmit |
| 707 | * descriptors. |
| 708 | */ |
| 709 | while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && |
| 710 | sc->sc_txfree != 0) { |
| 711 | /* |
| 712 | * Grab a packet off the queue. |
| 713 | */ |
| 714 | IFQ_POLL(&ifp->if_snd, m0); |
| 715 | if (m0 == NULL) |
| 716 | break; |
| 717 | m = NULL; |
| 718 | |
| 719 | dmamap = txs->txs_dmamap; |
| 720 | |
| 721 | /* |
| 722 | * Load the DMA map. If this fails, the packet either |
| 723 | * didn't fit in the alloted number of segments, or we were |
| 724 | * short on resources. In this case, we'll copy and try |
| 725 | * again. |
| 726 | * |
| 727 | * Note that if we're only allowed 1 Tx segment, we |
| 728 | * have an alignment restriction. Do this test before |
| 729 | * attempting to load the DMA map, because it's more |
| 730 | * likely we'll trip the alignment test than the |
| 731 | * more-than-one-segment test. |
| 732 | */ |
| 733 | if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) || |
| 734 | bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, |
| 735 | BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) { |
| 736 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
| 737 | if (m == NULL) { |
| 738 | aprint_error_dev(sc->sc_dev, "unable to allocate Tx mbuf\n" ); |
| 739 | break; |
| 740 | } |
| 741 | MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner); |
| 742 | if (m0->m_pkthdr.len > MHLEN) { |
| 743 | MCLGET(m, M_DONTWAIT); |
| 744 | if ((m->m_flags & M_EXT) == 0) { |
| 745 | aprint_error_dev(sc->sc_dev, |
| 746 | "unable to allocate Tx cluster\n" ); |
| 747 | m_freem(m); |
| 748 | break; |
| 749 | } |
| 750 | } |
| 751 | m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *)); |
| 752 | m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; |
| 753 | error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, |
| 754 | m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); |
| 755 | if (error) { |
| 756 | aprint_error_dev(sc->sc_dev, |
| 757 | "unable to load Tx buffer, error = %d" , |
| 758 | error); |
| 759 | break; |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | /* |
| 764 | * Ensure we have enough descriptors free to describe |
| 765 | * the packet. |
| 766 | */ |
| 767 | if (dmamap->dm_nsegs > sc->sc_txfree) { |
| 768 | /* |
| 769 | * Not enough free descriptors to transmit this |
| 770 | * packet. We haven't committed to anything yet, |
| 771 | * so just unload the DMA map, put the packet |
| 772 | * back on the queue, and punt. Notify the upper |
| 773 | * layer that there are no more slots left. |
| 774 | * |
| 775 | * XXX We could allocate an mbuf and copy, but |
| 776 | * XXX it is worth it? |
| 777 | */ |
| 778 | ifp->if_flags |= IFF_OACTIVE; |
| 779 | bus_dmamap_unload(sc->sc_dmat, dmamap); |
| 780 | if (m != NULL) |
| 781 | m_freem(m); |
| 782 | break; |
| 783 | } |
| 784 | |
| 785 | IFQ_DEQUEUE(&ifp->if_snd, m0); |
| 786 | if (m != NULL) { |
| 787 | m_freem(m0); |
| 788 | m0 = m; |
| 789 | } |
| 790 | |
| 791 | /* |
| 792 | * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. |
| 793 | */ |
| 794 | |
| 795 | /* Sync the DMA map. */ |
| 796 | bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, |
| 797 | BUS_DMASYNC_PREWRITE); |
| 798 | |
| 799 | /* |
| 800 | * Initialize the transmit descriptors. |
| 801 | */ |
| 802 | for (nexttx = sc->sc_txnext, seg = 0; |
| 803 | seg < dmamap->dm_nsegs; |
| 804 | seg++, nexttx = TULIP_NEXTTX(nexttx)) { |
| 805 | /* |
| 806 | * If this is the first descriptor we're |
| 807 | * enqueueing, don't set the OWN bit just |
| 808 | * yet. That could cause a race condition. |
| 809 | * We'll do it below. |
| 810 | */ |
| 811 | txd = &sc->sc_txdescs[nexttx]; |
| 812 | txd->td_status = |
| 813 | (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); |
| 814 | txd->td_bufaddr1 = |
| 815 | htole32(dmamap->dm_segs[seg].ds_addr); |
| 816 | txd->td_ctl = |
| 817 | htole32((dmamap->dm_segs[seg].ds_len << |
| 818 | TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | |
| 819 | (nexttx == (TULIP_NTXDESC - 1) ? |
| 820 | sc->sc_tdctl_er : 0)); |
| 821 | lasttx = nexttx; |
| 822 | } |
| 823 | |
| 824 | KASSERT(lasttx != -1); |
| 825 | |
| 826 | /* Set `first segment' and `last segment' appropriately. */ |
| 827 | sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); |
| 828 | sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); |
| 829 | |
| 830 | #ifdef TLP_DEBUG |
| 831 | if (ifp->if_flags & IFF_DEBUG) { |
| 832 | printf(" txsoft %p transmit chain:\n" , txs); |
| 833 | for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { |
| 834 | txd = &sc->sc_txdescs[seg]; |
| 835 | printf(" descriptor %d:\n" , seg); |
| 836 | printf(" td_status: 0x%08x\n" , |
| 837 | le32toh(txd->td_status)); |
| 838 | printf(" td_ctl: 0x%08x\n" , |
| 839 | le32toh(txd->td_ctl)); |
| 840 | printf(" td_bufaddr1: 0x%08x\n" , |
| 841 | le32toh(txd->td_bufaddr1)); |
| 842 | printf(" td_bufaddr2: 0x%08x\n" , |
| 843 | le32toh(txd->td_bufaddr2)); |
| 844 | if (seg == lasttx) |
| 845 | break; |
| 846 | } |
| 847 | } |
| 848 | #endif |
| 849 | |
| 850 | /* Sync the descriptors we're using. */ |
| 851 | TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, |
| 852 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
| 853 | |
| 854 | /* |
| 855 | * Store a pointer to the packet so we can free it later, |
| 856 | * and remember what txdirty will be once the packet is |
| 857 | * done. |
| 858 | */ |
| 859 | txs->txs_mbuf = m0; |
| 860 | txs->txs_firstdesc = sc->sc_txnext; |
| 861 | txs->txs_lastdesc = lasttx; |
| 862 | txs->txs_ndescs = dmamap->dm_nsegs; |
| 863 | |
| 864 | /* Advance the tx pointer. */ |
| 865 | sc->sc_txfree -= dmamap->dm_nsegs; |
| 866 | sc->sc_txnext = nexttx; |
| 867 | |
| 868 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); |
| 869 | SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); |
| 870 | |
| 871 | last_txs = txs; |
| 872 | |
| 873 | /* |
| 874 | * Pass the packet to any BPF listeners. |
| 875 | */ |
| 876 | bpf_mtap(ifp, m0); |
| 877 | } |
| 878 | |
| 879 | if (txs == NULL || sc->sc_txfree == 0) { |
| 880 | /* No more slots left; notify upper layer. */ |
| 881 | ifp->if_flags |= IFF_OACTIVE; |
| 882 | } |
| 883 | |
| 884 | if (sc->sc_txfree != ofree) { |
| 885 | DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n" , |
| 886 | device_xname(sc->sc_dev), lasttx, firsttx)); |
| 887 | /* |
| 888 | * Cause a transmit interrupt to happen on the |
| 889 | * last packet we enqueued. |
| 890 | */ |
| 891 | sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); |
| 892 | TULIP_CDTXSYNC(sc, lasttx, 1, |
| 893 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
| 894 | |
| 895 | /* |
| 896 | * Some clone chips want IC on the *first* segment in |
| 897 | * the packet. Appease them. |
| 898 | */ |
| 899 | KASSERT(last_txs != NULL); |
| 900 | if ((sc->sc_flags & TULIPF_IC_FS) != 0 && |
| 901 | last_txs->txs_firstdesc != lasttx) { |
| 902 | sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= |
| 903 | htole32(TDCTL_Tx_IC); |
| 904 | TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, |
| 905 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
| 906 | } |
| 907 | |
| 908 | /* |
| 909 | * The entire packet chain is set up. Give the |
| 910 | * first descriptor to the chip now. |
| 911 | */ |
| 912 | sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); |
| 913 | TULIP_CDTXSYNC(sc, firsttx, 1, |
| 914 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
| 915 | |
| 916 | /* Wake up the transmitter. */ |
| 917 | /* XXX USE AUTOPOLLING? */ |
| 918 | TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); |
| 919 | |
| 920 | /* Set a watchdog timer in case the chip flakes out. */ |
| 921 | ifp->if_timer = 5; |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | /* |
| 926 | * tlp_watchdog: [ifnet interface function] |
| 927 | * |
| 928 | * Watchdog timer handler. |
| 929 | */ |
| 930 | static void |
| 931 | tlp_watchdog(struct ifnet *ifp) |
| 932 | { |
| 933 | struct tulip_softc *sc = ifp->if_softc; |
| 934 | int doing_setup, doing_transmit; |
| 935 | |
| 936 | doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); |
| 937 | doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq)); |
| 938 | |
| 939 | if (doing_setup && doing_transmit) { |
| 940 | printf("%s: filter setup and transmit timeout\n" , |
| 941 | device_xname(sc->sc_dev)); |
| 942 | ifp->if_oerrors++; |
| 943 | } else if (doing_transmit) { |
| 944 | printf("%s: transmit timeout\n" , device_xname(sc->sc_dev)); |
| 945 | ifp->if_oerrors++; |
| 946 | } else if (doing_setup) |
| 947 | printf("%s: filter setup timeout\n" , device_xname(sc->sc_dev)); |
| 948 | else |
| 949 | printf("%s: spurious watchdog timeout\n" , |
| 950 | device_xname(sc->sc_dev)); |
| 951 | |
| 952 | (void) tlp_init(ifp); |
| 953 | |
| 954 | /* Try to get more packets going. */ |
| 955 | tlp_start(ifp); |
| 956 | } |
| 957 | |
| 958 | /* If the interface is up and running, only modify the receive |
| 959 | * filter when setting promiscuous or debug mode. Otherwise fall |
| 960 | * through to ether_ioctl, which will reset the chip. |
| 961 | */ |
| 962 | static int |
| 963 | tlp_ifflags_cb(struct ethercom *ec) |
| 964 | { |
| 965 | struct ifnet *ifp = &ec->ec_if; |
| 966 | struct tulip_softc *sc = ifp->if_softc; |
| 967 | int change = ifp->if_flags ^ sc->sc_if_flags; |
| 968 | |
| 969 | if ((change & ~(IFF_CANTCHANGE|IFF_DEBUG)) != 0) |
| 970 | return ENETRESET; |
| 971 | if ((change & IFF_PROMISC) != 0) |
| 972 | (*sc->sc_filter_setup)(sc); |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | /* |
| 977 | * tlp_ioctl: [ifnet interface function] |
| 978 | * |
| 979 | * Handle control requests from the operator. |
| 980 | */ |
| 981 | static int |
| 982 | tlp_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
| 983 | { |
| 984 | struct tulip_softc *sc = ifp->if_softc; |
| 985 | struct ifreq *ifr = (struct ifreq *)data; |
| 986 | int s, error; |
| 987 | |
| 988 | s = splnet(); |
| 989 | |
| 990 | switch (cmd) { |
| 991 | case SIOCSIFMEDIA: |
| 992 | case SIOCGIFMEDIA: |
| 993 | error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); |
| 994 | break; |
| 995 | default: |
| 996 | error = ether_ioctl(ifp, cmd, data); |
| 997 | if (error == ENETRESET) { |
| 998 | if (ifp->if_flags & IFF_RUNNING) { |
| 999 | /* |
| 1000 | * Multicast list has changed. Set the |
| 1001 | * hardware filter accordingly. |
| 1002 | */ |
| 1003 | (*sc->sc_filter_setup)(sc); |
| 1004 | } |
| 1005 | error = 0; |
| 1006 | } |
| 1007 | break; |
| 1008 | } |
| 1009 | |
| 1010 | /* Try to get more packets going. */ |
| 1011 | if (TULIP_IS_ENABLED(sc)) |
| 1012 | tlp_start(ifp); |
| 1013 | |
| 1014 | sc->sc_if_flags = ifp->if_flags; |
| 1015 | splx(s); |
| 1016 | return (error); |
| 1017 | } |
| 1018 | |
| 1019 | /* |
| 1020 | * tlp_intr: |
| 1021 | * |
| 1022 | * Interrupt service routine. |
| 1023 | */ |
| 1024 | int |
| 1025 | tlp_intr(void *arg) |
| 1026 | { |
| 1027 | struct tulip_softc *sc = arg; |
| 1028 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 1029 | uint32_t status, rxstatus, txstatus; |
| 1030 | int handled = 0, txthresh; |
| 1031 | |
| 1032 | DPRINTF(sc, ("%s: tlp_intr\n" , device_xname(sc->sc_dev))); |
| 1033 | |
| 1034 | #ifdef DEBUG |
| 1035 | if (TULIP_IS_ENABLED(sc) == 0) |
| 1036 | panic("%s: tlp_intr: not enabled" , device_xname(sc->sc_dev)); |
| 1037 | #endif |
| 1038 | |
| 1039 | /* |
| 1040 | * If the interface isn't running, the interrupt couldn't |
| 1041 | * possibly have come from us. |
| 1042 | */ |
| 1043 | if ((ifp->if_flags & IFF_RUNNING) == 0 || |
| 1044 | !device_is_active(sc->sc_dev)) |
| 1045 | return (0); |
| 1046 | |
| 1047 | /* Disable interrupts on the DM9102 (interrupt edge bug). */ |
| 1048 | switch (sc->sc_chip) { |
| 1049 | case TULIP_CHIP_DM9102: |
| 1050 | case TULIP_CHIP_DM9102A: |
| 1051 | TULIP_WRITE(sc, CSR_INTEN, 0); |
| 1052 | break; |
| 1053 | |
| 1054 | default: |
| 1055 | /* Nothing. */ |
| 1056 | break; |
| 1057 | } |
| 1058 | |
| 1059 | for (;;) { |
| 1060 | status = TULIP_READ(sc, CSR_STATUS); |
| 1061 | if (status) |
| 1062 | TULIP_WRITE(sc, CSR_STATUS, status); |
| 1063 | |
| 1064 | if ((status & sc->sc_inten) == 0) |
| 1065 | break; |
| 1066 | |
| 1067 | handled = 1; |
| 1068 | |
| 1069 | rxstatus = status & sc->sc_rxint_mask; |
| 1070 | txstatus = status & sc->sc_txint_mask; |
| 1071 | |
| 1072 | if (rxstatus) { |
| 1073 | /* Grab new any new packets. */ |
| 1074 | tlp_rxintr(sc); |
| 1075 | |
| 1076 | if (rxstatus & STATUS_RWT) |
| 1077 | printf("%s: receive watchdog timeout\n" , |
| 1078 | device_xname(sc->sc_dev)); |
| 1079 | |
| 1080 | if (rxstatus & STATUS_RU) { |
| 1081 | printf("%s: receive ring overrun\n" , |
| 1082 | device_xname(sc->sc_dev)); |
| 1083 | /* Get the receive process going again. */ |
| 1084 | if (sc->sc_tdctl_er != TDCTL_ER) { |
| 1085 | tlp_idle(sc, OPMODE_SR); |
| 1086 | TULIP_WRITE(sc, CSR_RXLIST, |
| 1087 | TULIP_CDRXADDR(sc, sc->sc_rxptr)); |
| 1088 | TULIP_WRITE(sc, CSR_OPMODE, |
| 1089 | sc->sc_opmode); |
| 1090 | } |
| 1091 | TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); |
| 1092 | break; |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | if (txstatus) { |
| 1097 | /* Sweep up transmit descriptors. */ |
| 1098 | tlp_txintr(sc); |
| 1099 | |
| 1100 | if (txstatus & STATUS_TJT) |
| 1101 | printf("%s: transmit jabber timeout\n" , |
| 1102 | device_xname(sc->sc_dev)); |
| 1103 | |
| 1104 | if (txstatus & STATUS_UNF) { |
| 1105 | /* |
| 1106 | * Increase our transmit threshold if |
| 1107 | * another is available. |
| 1108 | */ |
| 1109 | txthresh = sc->sc_txthresh + 1; |
| 1110 | if (sc->sc_txth[txthresh].txth_name != NULL) { |
| 1111 | /* Idle the transmit process. */ |
| 1112 | tlp_idle(sc, OPMODE_ST); |
| 1113 | |
| 1114 | sc->sc_txthresh = txthresh; |
| 1115 | sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); |
| 1116 | sc->sc_opmode |= |
| 1117 | sc->sc_txth[txthresh].txth_opmode; |
| 1118 | printf("%s: transmit underrun; new " |
| 1119 | "threshold: %s\n" , |
| 1120 | device_xname(sc->sc_dev), |
| 1121 | sc->sc_txth[txthresh].txth_name); |
| 1122 | |
| 1123 | /* |
| 1124 | * Set the new threshold and restart |
| 1125 | * the transmit process. |
| 1126 | */ |
| 1127 | TULIP_WRITE(sc, CSR_OPMODE, |
| 1128 | sc->sc_opmode); |
| 1129 | } |
| 1130 | /* |
| 1131 | * XXX Log every Nth underrun from |
| 1132 | * XXX now on? |
| 1133 | */ |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | if (status & (STATUS_TPS|STATUS_RPS)) { |
| 1138 | if (status & STATUS_TPS) |
| 1139 | printf("%s: transmit process stopped\n" , |
| 1140 | device_xname(sc->sc_dev)); |
| 1141 | if (status & STATUS_RPS) |
| 1142 | printf("%s: receive process stopped\n" , |
| 1143 | device_xname(sc->sc_dev)); |
| 1144 | (void) tlp_init(ifp); |
| 1145 | break; |
| 1146 | } |
| 1147 | |
| 1148 | if (status & STATUS_SE) { |
| 1149 | const char *str; |
| 1150 | switch (status & STATUS_EB) { |
| 1151 | case STATUS_EB_PARITY: |
| 1152 | str = "parity error" ; |
| 1153 | break; |
| 1154 | |
| 1155 | case STATUS_EB_MABT: |
| 1156 | str = "master abort" ; |
| 1157 | break; |
| 1158 | |
| 1159 | case STATUS_EB_TABT: |
| 1160 | str = "target abort" ; |
| 1161 | break; |
| 1162 | |
| 1163 | default: |
| 1164 | str = "unknown error" ; |
| 1165 | break; |
| 1166 | } |
| 1167 | aprint_error_dev(sc->sc_dev, |
| 1168 | "fatal system error: %s\n" , str); |
| 1169 | (void) tlp_init(ifp); |
| 1170 | break; |
| 1171 | } |
| 1172 | |
| 1173 | /* |
| 1174 | * Not handled: |
| 1175 | * |
| 1176 | * Transmit buffer unavailable -- normal |
| 1177 | * condition, nothing to do, really. |
| 1178 | * |
| 1179 | * General purpose timer experied -- we don't |
| 1180 | * use the general purpose timer. |
| 1181 | * |
| 1182 | * Early receive interrupt -- not available on |
| 1183 | * all chips, we just use RI. We also only |
| 1184 | * use single-segment receive DMA, so this |
| 1185 | * is mostly useless. |
| 1186 | */ |
| 1187 | } |
| 1188 | |
| 1189 | /* Bring interrupts back up on the DM9102. */ |
| 1190 | switch (sc->sc_chip) { |
| 1191 | case TULIP_CHIP_DM9102: |
| 1192 | case TULIP_CHIP_DM9102A: |
| 1193 | TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); |
| 1194 | break; |
| 1195 | |
| 1196 | default: |
| 1197 | /* Nothing. */ |
| 1198 | break; |
| 1199 | } |
| 1200 | |
| 1201 | /* Try to get more packets going. */ |
| 1202 | tlp_start(ifp); |
| 1203 | |
| 1204 | if (handled) |
| 1205 | rnd_add_uint32(&sc->sc_rnd_source, status); |
| 1206 | |
| 1207 | return (handled); |
| 1208 | } |
| 1209 | |
| 1210 | /* |
| 1211 | * tlp_rxintr: |
| 1212 | * |
| 1213 | * Helper; handle receive interrupts. |
| 1214 | */ |
| 1215 | static void |
| 1216 | tlp_rxintr(struct tulip_softc *sc) |
| 1217 | { |
| 1218 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 1219 | struct ether_header *eh; |
| 1220 | struct tulip_rxsoft *rxs; |
| 1221 | struct mbuf *m; |
| 1222 | uint32_t rxstat, errors; |
| 1223 | int i, len; |
| 1224 | |
| 1225 | for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { |
| 1226 | rxs = &sc->sc_rxsoft[i]; |
| 1227 | |
| 1228 | TULIP_CDRXSYNC(sc, i, |
| 1229 | BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); |
| 1230 | |
| 1231 | rxstat = le32toh(sc->sc_rxdescs[i].td_status); |
| 1232 | |
| 1233 | if (rxstat & TDSTAT_OWN) { |
| 1234 | /* |
| 1235 | * We have processed all of the receive buffers. |
| 1236 | */ |
| 1237 | break; |
| 1238 | } |
| 1239 | |
| 1240 | /* |
| 1241 | * Make sure the packet fit in one buffer. This should |
| 1242 | * always be the case. But the Lite-On PNIC, rev 33 |
| 1243 | * has an awful receive engine bug, which may require |
| 1244 | * a very icky work-around. |
| 1245 | */ |
| 1246 | if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != |
| 1247 | (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { |
| 1248 | printf("%s: incoming packet spilled, resetting\n" , |
| 1249 | device_xname(sc->sc_dev)); |
| 1250 | (void) tlp_init(ifp); |
| 1251 | return; |
| 1252 | } |
| 1253 | |
| 1254 | /* |
| 1255 | * If any collisions were seen on the wire, count one. |
| 1256 | */ |
| 1257 | if (rxstat & TDSTAT_Rx_CS) |
| 1258 | ifp->if_collisions++; |
| 1259 | |
| 1260 | /* |
| 1261 | * If an error occurred, update stats, clear the status |
| 1262 | * word, and leave the packet buffer in place. It will |
| 1263 | * simply be reused the next time the ring comes around. |
| 1264 | */ |
| 1265 | errors = TDSTAT_Rx_DE | TDSTAT_Rx_RF | TDSTAT_Rx_TL | |
| 1266 | TDSTAT_Rx_CS | TDSTAT_Rx_RE | TDSTAT_Rx_DB | TDSTAT_Rx_CE; |
| 1267 | /* |
| 1268 | * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long |
| 1269 | * error. |
| 1270 | */ |
| 1271 | if ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) != 0) |
| 1272 | errors &= ~TDSTAT_Rx_TL; |
| 1273 | /* |
| 1274 | * If chip doesn't have MII, ignore the MII error bit. |
| 1275 | */ |
| 1276 | if ((sc->sc_flags & TULIPF_HAS_MII) == 0) |
| 1277 | errors &= ~TDSTAT_Rx_RE; |
| 1278 | |
| 1279 | if ((rxstat & TDSTAT_ES) != 0 && |
| 1280 | (rxstat & errors) != 0) { |
| 1281 | rxstat &= errors; |
| 1282 | #define PRINTERR(bit, str) \ |
| 1283 | if (rxstat & (bit)) \ |
| 1284 | aprint_error_dev(sc->sc_dev, \ |
| 1285 | "receive error: %s\n", str) |
| 1286 | ifp->if_ierrors++; |
| 1287 | PRINTERR(TDSTAT_Rx_DE, "descriptor error" ); |
| 1288 | PRINTERR(TDSTAT_Rx_RF, "runt frame" ); |
| 1289 | PRINTERR(TDSTAT_Rx_TL, "frame too long" ); |
| 1290 | PRINTERR(TDSTAT_Rx_RE, "MII error" ); |
| 1291 | PRINTERR(TDSTAT_Rx_DB, "dribbling bit" ); |
| 1292 | PRINTERR(TDSTAT_Rx_CE, "CRC error" ); |
| 1293 | #undef PRINTERR |
| 1294 | TULIP_INIT_RXDESC(sc, i); |
| 1295 | continue; |
| 1296 | } |
| 1297 | |
| 1298 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
| 1299 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); |
| 1300 | |
| 1301 | /* |
| 1302 | * No errors; receive the packet. Note the Tulip |
| 1303 | * includes the CRC with every packet. |
| 1304 | */ |
| 1305 | len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; |
| 1306 | |
| 1307 | #ifdef __NO_STRICT_ALIGNMENT |
| 1308 | /* |
| 1309 | * Allocate a new mbuf cluster. If that fails, we are |
| 1310 | * out of memory, and must drop the packet and recycle |
| 1311 | * the buffer that's already attached to this descriptor. |
| 1312 | */ |
| 1313 | m = rxs->rxs_mbuf; |
| 1314 | if (tlp_add_rxbuf(sc, i) != 0) { |
| 1315 | ifp->if_ierrors++; |
| 1316 | TULIP_INIT_RXDESC(sc, i); |
| 1317 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
| 1318 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
| 1319 | continue; |
| 1320 | } |
| 1321 | #else |
| 1322 | /* |
| 1323 | * The Tulip's receive buffers must be 4-byte aligned. |
| 1324 | * But this means that the data after the Ethernet header |
| 1325 | * is misaligned. We must allocate a new buffer and |
| 1326 | * copy the data, shifted forward 2 bytes. |
| 1327 | */ |
| 1328 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
| 1329 | if (m == NULL) { |
| 1330 | dropit: |
| 1331 | ifp->if_ierrors++; |
| 1332 | TULIP_INIT_RXDESC(sc, i); |
| 1333 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
| 1334 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
| 1335 | continue; |
| 1336 | } |
| 1337 | MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); |
| 1338 | if (len > (MHLEN - 2)) { |
| 1339 | MCLGET(m, M_DONTWAIT); |
| 1340 | if ((m->m_flags & M_EXT) == 0) { |
| 1341 | m_freem(m); |
| 1342 | goto dropit; |
| 1343 | } |
| 1344 | } |
| 1345 | m->m_data += 2; |
| 1346 | |
| 1347 | /* |
| 1348 | * Note that we use clusters for incoming frames, so the |
| 1349 | * buffer is virtually contiguous. |
| 1350 | */ |
| 1351 | memcpy(mtod(m, void *), mtod(rxs->rxs_mbuf, void *), len); |
| 1352 | |
| 1353 | /* Allow the receive descriptor to continue using its mbuf. */ |
| 1354 | TULIP_INIT_RXDESC(sc, i); |
| 1355 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
| 1356 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
| 1357 | #endif /* __NO_STRICT_ALIGNMENT */ |
| 1358 | |
| 1359 | ifp->if_ipackets++; |
| 1360 | eh = mtod(m, struct ether_header *); |
| 1361 | m_set_rcvif(m, ifp); |
| 1362 | m->m_pkthdr.len = m->m_len = len; |
| 1363 | |
| 1364 | /* |
| 1365 | * XXX Work-around for a weird problem with the emulated |
| 1366 | * 21041 on Connectix Virtual PC: |
| 1367 | * |
| 1368 | * When we receive a full-size TCP segment, we seem to get |
| 1369 | * a packet there the Rx status says 1522 bytes, yet we do |
| 1370 | * not get a frame-too-long error from the chip. The extra |
| 1371 | * bytes seem to always be zeros. Perhaps Virtual PC is |
| 1372 | * inserting 4 bytes of zeros after every packet. In any |
| 1373 | * case, let's try and detect this condition and truncate |
| 1374 | * the length so that it will pass up the stack. |
| 1375 | */ |
| 1376 | if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) { |
| 1377 | uint16_t etype = ntohs(eh->ether_type); |
| 1378 | |
| 1379 | if (len > ETHER_MAX_FRAME(ifp, etype, 0)) |
| 1380 | m->m_pkthdr.len = m->m_len = len = |
| 1381 | ETHER_MAX_FRAME(ifp, etype, 0); |
| 1382 | } |
| 1383 | |
| 1384 | /* |
| 1385 | * Pass this up to any BPF listeners, but only |
| 1386 | * pass it up the stack if it's for us. |
| 1387 | */ |
| 1388 | bpf_mtap(ifp, m); |
| 1389 | |
| 1390 | /* |
| 1391 | * We sometimes have to run the 21140 in Hash-Only |
| 1392 | * mode. If we're in that mode, and not in promiscuous |
| 1393 | * mode, and we have a unicast packet that isn't for |
| 1394 | * us, then drop it. |
| 1395 | */ |
| 1396 | if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY && |
| 1397 | (ifp->if_flags & IFF_PROMISC) == 0 && |
| 1398 | ETHER_IS_MULTICAST(eh->ether_dhost) == 0 && |
| 1399 | memcmp(CLLADDR(ifp->if_sadl), eh->ether_dhost, |
| 1400 | ETHER_ADDR_LEN) != 0) { |
| 1401 | m_freem(m); |
| 1402 | continue; |
| 1403 | } |
| 1404 | |
| 1405 | /* Pass it on. */ |
| 1406 | if_percpuq_enqueue(ifp->if_percpuq, m); |
| 1407 | } |
| 1408 | |
| 1409 | /* Update the receive pointer. */ |
| 1410 | sc->sc_rxptr = i; |
| 1411 | } |
| 1412 | |
| 1413 | /* |
| 1414 | * tlp_txintr: |
| 1415 | * |
| 1416 | * Helper; handle transmit interrupts. |
| 1417 | */ |
| 1418 | static void |
| 1419 | tlp_txintr(struct tulip_softc *sc) |
| 1420 | { |
| 1421 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 1422 | struct tulip_txsoft *txs; |
| 1423 | uint32_t txstat; |
| 1424 | |
| 1425 | DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n" , |
| 1426 | device_xname(sc->sc_dev), sc->sc_flags)); |
| 1427 | |
| 1428 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1429 | |
| 1430 | /* |
| 1431 | * Go through our Tx list and free mbufs for those |
| 1432 | * frames that have been transmitted. |
| 1433 | */ |
| 1434 | while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { |
| 1435 | TULIP_CDTXSYNC(sc, txs->txs_lastdesc, |
| 1436 | txs->txs_ndescs, |
| 1437 | BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); |
| 1438 | |
| 1439 | #ifdef TLP_DEBUG |
| 1440 | if (ifp->if_flags & IFF_DEBUG) { |
| 1441 | int i; |
| 1442 | struct tulip_desc *txd; |
| 1443 | printf(" txsoft %p transmit chain:\n" , txs); |
| 1444 | for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { |
| 1445 | txd = &sc->sc_txdescs[i]; |
| 1446 | printf(" descriptor %d:\n" , i); |
| 1447 | printf(" td_status: 0x%08x\n" , |
| 1448 | le32toh(txd->td_status)); |
| 1449 | printf(" td_ctl: 0x%08x\n" , |
| 1450 | le32toh(txd->td_ctl)); |
| 1451 | printf(" td_bufaddr1: 0x%08x\n" , |
| 1452 | le32toh(txd->td_bufaddr1)); |
| 1453 | printf(" td_bufaddr2: 0x%08x\n" , |
| 1454 | le32toh(sc->sc_txdescs[i].td_bufaddr2)); |
| 1455 | if (i == txs->txs_lastdesc) |
| 1456 | break; |
| 1457 | } |
| 1458 | } |
| 1459 | #endif |
| 1460 | |
| 1461 | txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); |
| 1462 | if (txstat & TDSTAT_OWN) |
| 1463 | break; |
| 1464 | |
| 1465 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); |
| 1466 | |
| 1467 | sc->sc_txfree += txs->txs_ndescs; |
| 1468 | |
| 1469 | if (txs->txs_mbuf == NULL) { |
| 1470 | /* |
| 1471 | * If we didn't have an mbuf, it was the setup |
| 1472 | * packet. |
| 1473 | */ |
| 1474 | #ifdef DIAGNOSTIC |
| 1475 | if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) |
| 1476 | panic("tlp_txintr: null mbuf, not doing setup" ); |
| 1477 | #endif |
| 1478 | TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); |
| 1479 | sc->sc_flags &= ~TULIPF_DOING_SETUP; |
| 1480 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
| 1481 | continue; |
| 1482 | } |
| 1483 | |
| 1484 | bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, |
| 1485 | 0, txs->txs_dmamap->dm_mapsize, |
| 1486 | BUS_DMASYNC_POSTWRITE); |
| 1487 | bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); |
| 1488 | m_freem(txs->txs_mbuf); |
| 1489 | txs->txs_mbuf = NULL; |
| 1490 | |
| 1491 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
| 1492 | |
| 1493 | /* |
| 1494 | * Check for errors and collisions. |
| 1495 | */ |
| 1496 | #ifdef TLP_STATS |
| 1497 | if (txstat & TDSTAT_Tx_UF) |
| 1498 | sc->sc_stats.ts_tx_uf++; |
| 1499 | if (txstat & TDSTAT_Tx_TO) |
| 1500 | sc->sc_stats.ts_tx_to++; |
| 1501 | if (txstat & TDSTAT_Tx_EC) |
| 1502 | sc->sc_stats.ts_tx_ec++; |
| 1503 | if (txstat & TDSTAT_Tx_LC) |
| 1504 | sc->sc_stats.ts_tx_lc++; |
| 1505 | #endif |
| 1506 | |
| 1507 | if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) |
| 1508 | ifp->if_oerrors++; |
| 1509 | |
| 1510 | if (txstat & TDSTAT_Tx_EC) |
| 1511 | ifp->if_collisions += 16; |
| 1512 | else |
| 1513 | ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); |
| 1514 | if (txstat & TDSTAT_Tx_LC) |
| 1515 | ifp->if_collisions++; |
| 1516 | |
| 1517 | ifp->if_opackets++; |
| 1518 | } |
| 1519 | |
| 1520 | /* |
| 1521 | * If there are no more pending transmissions, cancel the watchdog |
| 1522 | * timer. |
| 1523 | */ |
| 1524 | if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) |
| 1525 | ifp->if_timer = 0; |
| 1526 | |
| 1527 | /* |
| 1528 | * If we have a receive filter setup pending, do it now. |
| 1529 | */ |
| 1530 | if (sc->sc_flags & TULIPF_WANT_SETUP) |
| 1531 | (*sc->sc_filter_setup)(sc); |
| 1532 | } |
| 1533 | |
| 1534 | #ifdef TLP_STATS |
| 1535 | void |
| 1536 | tlp_print_stats(struct tulip_softc *sc) |
| 1537 | { |
| 1538 | |
| 1539 | printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n" , |
| 1540 | device_xname(sc->sc_dev), |
| 1541 | sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, |
| 1542 | sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); |
| 1543 | } |
| 1544 | #endif |
| 1545 | |
| 1546 | /* |
| 1547 | * tlp_reset: |
| 1548 | * |
| 1549 | * Perform a soft reset on the Tulip. |
| 1550 | */ |
| 1551 | void |
| 1552 | tlp_reset(struct tulip_softc *sc) |
| 1553 | { |
| 1554 | int i; |
| 1555 | |
| 1556 | TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); |
| 1557 | |
| 1558 | /* |
| 1559 | * Xircom, ASIX and Conexant clones don't bring themselves |
| 1560 | * out of reset automatically. |
| 1561 | * Instead, we have to wait at least 50 PCI cycles, and then |
| 1562 | * clear SWR. |
| 1563 | */ |
| 1564 | switch (sc->sc_chip) { |
| 1565 | case TULIP_CHIP_X3201_3: |
| 1566 | case TULIP_CHIP_AX88140: |
| 1567 | case TULIP_CHIP_AX88141: |
| 1568 | case TULIP_CHIP_RS7112: |
| 1569 | delay(10); |
| 1570 | TULIP_WRITE(sc, CSR_BUSMODE, 0); |
| 1571 | break; |
| 1572 | default: |
| 1573 | break; |
| 1574 | } |
| 1575 | |
| 1576 | for (i = 0; i < 1000; i++) { |
| 1577 | /* |
| 1578 | * Wait at least 50 PCI cycles for the reset to |
| 1579 | * complete before peeking at the Tulip again. |
| 1580 | * 10 uSec is a bit longer than 50 PCI cycles |
| 1581 | * (at 33MHz), but it doesn't hurt have the extra |
| 1582 | * wait. |
| 1583 | */ |
| 1584 | delay(10); |
| 1585 | if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) |
| 1586 | break; |
| 1587 | } |
| 1588 | |
| 1589 | if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) |
| 1590 | aprint_error_dev(sc->sc_dev, "reset failed to complete\n" ); |
| 1591 | |
| 1592 | delay(1000); |
| 1593 | |
| 1594 | /* |
| 1595 | * If the board has any GPIO reset sequences to issue, do them now. |
| 1596 | */ |
| 1597 | if (sc->sc_reset != NULL) |
| 1598 | (*sc->sc_reset)(sc); |
| 1599 | } |
| 1600 | |
| 1601 | /* |
| 1602 | * tlp_init: [ ifnet interface function ] |
| 1603 | * |
| 1604 | * Initialize the interface. Must be called at splnet(). |
| 1605 | */ |
| 1606 | static int |
| 1607 | tlp_init(struct ifnet *ifp) |
| 1608 | { |
| 1609 | struct tulip_softc *sc = ifp->if_softc; |
| 1610 | struct tulip_txsoft *txs; |
| 1611 | struct tulip_rxsoft *rxs; |
| 1612 | int i, error = 0; |
| 1613 | |
| 1614 | if ((error = tlp_enable(sc)) != 0) |
| 1615 | goto out; |
| 1616 | |
| 1617 | /* |
| 1618 | * Cancel any pending I/O. |
| 1619 | */ |
| 1620 | tlp_stop(ifp, 0); |
| 1621 | |
| 1622 | /* |
| 1623 | * Initialize `opmode' to 0, and call the pre-init routine, if |
| 1624 | * any. This is required because the 2114x and some of the |
| 1625 | * clones require that the media-related bits in `opmode' be |
| 1626 | * set before performing a soft-reset in order to get internal |
| 1627 | * chip pathways are correct. Yay! |
| 1628 | */ |
| 1629 | sc->sc_opmode = 0; |
| 1630 | if (sc->sc_preinit != NULL) |
| 1631 | (*sc->sc_preinit)(sc); |
| 1632 | |
| 1633 | /* |
| 1634 | * Reset the Tulip to a known state. |
| 1635 | */ |
| 1636 | tlp_reset(sc); |
| 1637 | |
| 1638 | /* |
| 1639 | * Initialize the BUSMODE register. |
| 1640 | */ |
| 1641 | sc->sc_busmode = BUSMODE_BAR; |
| 1642 | switch (sc->sc_chip) { |
| 1643 | case TULIP_CHIP_21140: |
| 1644 | case TULIP_CHIP_21140A: |
| 1645 | case TULIP_CHIP_21142: |
| 1646 | case TULIP_CHIP_21143: |
| 1647 | case TULIP_CHIP_82C115: |
| 1648 | case TULIP_CHIP_MX98725: |
| 1649 | /* |
| 1650 | * If we're allowed to do so, use Memory Read Line |
| 1651 | * and Memory Read Multiple. |
| 1652 | * |
| 1653 | * XXX Should we use Memory Write and Invalidate? |
| 1654 | */ |
| 1655 | if (sc->sc_flags & TULIPF_MRL) |
| 1656 | sc->sc_busmode |= BUSMODE_RLE; |
| 1657 | if (sc->sc_flags & TULIPF_MRM) |
| 1658 | sc->sc_busmode |= BUSMODE_RME; |
| 1659 | #if 0 |
| 1660 | if (sc->sc_flags & TULIPF_MWI) |
| 1661 | sc->sc_busmode |= BUSMODE_WLE; |
| 1662 | #endif |
| 1663 | break; |
| 1664 | |
| 1665 | case TULIP_CHIP_82C168: |
| 1666 | case TULIP_CHIP_82C169: |
| 1667 | sc->sc_busmode |= BUSMODE_PNIC_MBO; |
| 1668 | if (sc->sc_maxburst == 0) |
| 1669 | sc->sc_maxburst = 16; |
| 1670 | break; |
| 1671 | |
| 1672 | case TULIP_CHIP_AX88140: |
| 1673 | case TULIP_CHIP_AX88141: |
| 1674 | if (sc->sc_maxburst == 0) |
| 1675 | sc->sc_maxburst = 16; |
| 1676 | break; |
| 1677 | |
| 1678 | default: |
| 1679 | /* Nothing. */ |
| 1680 | break; |
| 1681 | } |
| 1682 | switch (sc->sc_cacheline) { |
| 1683 | default: |
| 1684 | /* |
| 1685 | * Note: We must *always* set these bits; a cache |
| 1686 | * alignment of 0 is RESERVED. |
| 1687 | */ |
| 1688 | case 8: |
| 1689 | sc->sc_busmode |= BUSMODE_CAL_8LW; |
| 1690 | break; |
| 1691 | case 16: |
| 1692 | sc->sc_busmode |= BUSMODE_CAL_16LW; |
| 1693 | break; |
| 1694 | case 32: |
| 1695 | sc->sc_busmode |= BUSMODE_CAL_32LW; |
| 1696 | break; |
| 1697 | } |
| 1698 | switch (sc->sc_maxburst) { |
| 1699 | case 1: |
| 1700 | sc->sc_busmode |= BUSMODE_PBL_1LW; |
| 1701 | break; |
| 1702 | case 2: |
| 1703 | sc->sc_busmode |= BUSMODE_PBL_2LW; |
| 1704 | break; |
| 1705 | case 4: |
| 1706 | sc->sc_busmode |= BUSMODE_PBL_4LW; |
| 1707 | break; |
| 1708 | case 8: |
| 1709 | sc->sc_busmode |= BUSMODE_PBL_8LW; |
| 1710 | break; |
| 1711 | case 16: |
| 1712 | sc->sc_busmode |= BUSMODE_PBL_16LW; |
| 1713 | break; |
| 1714 | case 32: |
| 1715 | sc->sc_busmode |= BUSMODE_PBL_32LW; |
| 1716 | break; |
| 1717 | default: |
| 1718 | sc->sc_busmode |= BUSMODE_PBL_DEFAULT; |
| 1719 | break; |
| 1720 | } |
| 1721 | #if BYTE_ORDER == BIG_ENDIAN |
| 1722 | /* |
| 1723 | * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips |
| 1724 | * support them, and even on ones that do, it doesn't |
| 1725 | * always work. So we always access descriptors with |
| 1726 | * little endian via htole32/le32toh. |
| 1727 | */ |
| 1728 | #endif |
| 1729 | /* |
| 1730 | * Big-endian bus requires BUSMODE_BLE anyway. |
| 1731 | * Also, BUSMODE_DBO is needed because we assume |
| 1732 | * descriptors are little endian. |
| 1733 | */ |
| 1734 | if (sc->sc_flags & TULIPF_BLE) |
| 1735 | sc->sc_busmode |= BUSMODE_BLE; |
| 1736 | if (sc->sc_flags & TULIPF_DBO) |
| 1737 | sc->sc_busmode |= BUSMODE_DBO; |
| 1738 | |
| 1739 | /* |
| 1740 | * Some chips have a broken bus interface. |
| 1741 | */ |
| 1742 | switch (sc->sc_chip) { |
| 1743 | case TULIP_CHIP_DM9102: |
| 1744 | case TULIP_CHIP_DM9102A: |
| 1745 | sc->sc_busmode = 0; |
| 1746 | break; |
| 1747 | |
| 1748 | default: |
| 1749 | /* Nothing. */ |
| 1750 | break; |
| 1751 | } |
| 1752 | |
| 1753 | TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); |
| 1754 | |
| 1755 | /* |
| 1756 | * Initialize the OPMODE register. We don't write it until |
| 1757 | * we're ready to begin the transmit and receive processes. |
| 1758 | * |
| 1759 | * Media-related OPMODE bits are set in the media callbacks |
| 1760 | * for each specific chip/board. |
| 1761 | */ |
| 1762 | sc->sc_opmode |= OPMODE_SR | OPMODE_ST | |
| 1763 | sc->sc_txth[sc->sc_txthresh].txth_opmode; |
| 1764 | |
| 1765 | /* |
| 1766 | * Magical mystery initialization on the Macronix chips. |
| 1767 | * The MX98713 uses its own magic value, the rest share |
| 1768 | * a common one. |
| 1769 | */ |
| 1770 | switch (sc->sc_chip) { |
| 1771 | case TULIP_CHIP_MX98713: |
| 1772 | TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); |
| 1773 | break; |
| 1774 | |
| 1775 | case TULIP_CHIP_MX98713A: |
| 1776 | case TULIP_CHIP_MX98715: |
| 1777 | case TULIP_CHIP_MX98715A: |
| 1778 | case TULIP_CHIP_MX98715AEC_X: |
| 1779 | case TULIP_CHIP_MX98725: |
| 1780 | TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); |
| 1781 | break; |
| 1782 | |
| 1783 | default: |
| 1784 | /* Nothing. */ |
| 1785 | break; |
| 1786 | } |
| 1787 | |
| 1788 | /* |
| 1789 | * Initialize the transmit descriptor ring. |
| 1790 | */ |
| 1791 | memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); |
| 1792 | for (i = 0; i < TULIP_NTXDESC; i++) { |
| 1793 | struct tulip_desc *txd = &sc->sc_txdescs[i]; |
| 1794 | txd->td_ctl = htole32(sc->sc_tdctl_ch); |
| 1795 | txd->td_bufaddr2 = htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); |
| 1796 | } |
| 1797 | sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); |
| 1798 | TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, |
| 1799 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
| 1800 | sc->sc_txfree = TULIP_NTXDESC; |
| 1801 | sc->sc_txnext = 0; |
| 1802 | |
| 1803 | /* |
| 1804 | * Initialize the transmit job descriptors. |
| 1805 | */ |
| 1806 | SIMPLEQ_INIT(&sc->sc_txfreeq); |
| 1807 | SIMPLEQ_INIT(&sc->sc_txdirtyq); |
| 1808 | for (i = 0; i < TULIP_TXQUEUELEN; i++) { |
| 1809 | txs = &sc->sc_txsoft[i]; |
| 1810 | txs->txs_mbuf = NULL; |
| 1811 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
| 1812 | } |
| 1813 | |
| 1814 | /* |
| 1815 | * Initialize the receive descriptor and receive job |
| 1816 | * descriptor rings. |
| 1817 | */ |
| 1818 | for (i = 0; i < TULIP_NRXDESC; i++) { |
| 1819 | rxs = &sc->sc_rxsoft[i]; |
| 1820 | if (rxs->rxs_mbuf == NULL) { |
| 1821 | if ((error = tlp_add_rxbuf(sc, i)) != 0) { |
| 1822 | aprint_error_dev(sc->sc_dev, |
| 1823 | "unable to allocate or map rx " |
| 1824 | "buffer %d, error = %d\n" , i, error); |
| 1825 | /* |
| 1826 | * XXX Should attempt to run with fewer receive |
| 1827 | * XXX buffers instead of just failing. |
| 1828 | */ |
| 1829 | tlp_rxdrain(sc); |
| 1830 | goto out; |
| 1831 | } |
| 1832 | } else |
| 1833 | TULIP_INIT_RXDESC(sc, i); |
| 1834 | } |
| 1835 | sc->sc_rxptr = 0; |
| 1836 | |
| 1837 | /* |
| 1838 | * Initialize the interrupt mask and enable interrupts. |
| 1839 | */ |
| 1840 | /* normal interrupts */ |
| 1841 | sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; |
| 1842 | |
| 1843 | /* abnormal interrupts */ |
| 1844 | sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | |
| 1845 | STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; |
| 1846 | |
| 1847 | sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; |
| 1848 | sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; |
| 1849 | |
| 1850 | switch (sc->sc_chip) { |
| 1851 | case TULIP_CHIP_WB89C840F: |
| 1852 | /* |
| 1853 | * Clear bits that we don't want that happen to |
| 1854 | * overlap or don't exist. |
| 1855 | */ |
| 1856 | sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); |
| 1857 | break; |
| 1858 | |
| 1859 | default: |
| 1860 | /* Nothing. */ |
| 1861 | break; |
| 1862 | } |
| 1863 | |
| 1864 | sc->sc_rxint_mask &= sc->sc_inten; |
| 1865 | sc->sc_txint_mask &= sc->sc_inten; |
| 1866 | |
| 1867 | TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); |
| 1868 | TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); |
| 1869 | |
| 1870 | /* |
| 1871 | * Give the transmit and receive rings to the Tulip. |
| 1872 | */ |
| 1873 | TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); |
| 1874 | TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); |
| 1875 | |
| 1876 | /* |
| 1877 | * On chips that do this differently, set the station address. |
| 1878 | */ |
| 1879 | switch (sc->sc_chip) { |
| 1880 | case TULIP_CHIP_WB89C840F: |
| 1881 | { |
| 1882 | /* XXX Do this with stream writes? */ |
| 1883 | bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); |
| 1884 | |
| 1885 | for (i = 0; i < ETHER_ADDR_LEN; i++) { |
| 1886 | bus_space_write_1(sc->sc_st, sc->sc_sh, |
| 1887 | cpa + i, CLLADDR(ifp->if_sadl)[i]); |
| 1888 | } |
| 1889 | break; |
| 1890 | } |
| 1891 | |
| 1892 | case TULIP_CHIP_AL981: |
| 1893 | case TULIP_CHIP_AN983: |
| 1894 | case TULIP_CHIP_AN985: |
| 1895 | { |
| 1896 | uint32_t reg; |
| 1897 | const uint8_t *enaddr = CLLADDR(ifp->if_sadl); |
| 1898 | |
| 1899 | reg = enaddr[0] | |
| 1900 | (enaddr[1] << 8) | |
| 1901 | (enaddr[2] << 16) | |
| 1902 | (enaddr[3] << 24); |
| 1903 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); |
| 1904 | |
| 1905 | reg = enaddr[4] | |
| 1906 | (enaddr[5] << 8); |
| 1907 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); |
| 1908 | break; |
| 1909 | } |
| 1910 | |
| 1911 | case TULIP_CHIP_AX88140: |
| 1912 | case TULIP_CHIP_AX88141: |
| 1913 | { |
| 1914 | uint32_t reg; |
| 1915 | const uint8_t *enaddr = CLLADDR(ifp->if_sadl); |
| 1916 | |
| 1917 | reg = enaddr[0] | |
| 1918 | (enaddr[1] << 8) | |
| 1919 | (enaddr[2] << 16) | |
| 1920 | (enaddr[3] << 24); |
| 1921 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0); |
| 1922 | TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); |
| 1923 | |
| 1924 | reg = enaddr[4] | (enaddr[5] << 8); |
| 1925 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1); |
| 1926 | TULIP_WRITE(sc, CSR_AX_FILTDATA, reg); |
| 1927 | break; |
| 1928 | } |
| 1929 | |
| 1930 | default: |
| 1931 | /* Nothing. */ |
| 1932 | break; |
| 1933 | } |
| 1934 | |
| 1935 | /* |
| 1936 | * Set the receive filter. This will start the transmit and |
| 1937 | * receive processes. |
| 1938 | */ |
| 1939 | (*sc->sc_filter_setup)(sc); |
| 1940 | |
| 1941 | /* |
| 1942 | * Set the current media. |
| 1943 | */ |
| 1944 | (void) (*sc->sc_mediasw->tmsw_set)(sc); |
| 1945 | |
| 1946 | /* |
| 1947 | * Start the receive process. |
| 1948 | */ |
| 1949 | TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); |
| 1950 | |
| 1951 | if (sc->sc_tick != NULL) { |
| 1952 | /* Start the one second clock. */ |
| 1953 | callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc); |
| 1954 | } |
| 1955 | |
| 1956 | /* |
| 1957 | * Note that the interface is now running. |
| 1958 | */ |
| 1959 | ifp->if_flags |= IFF_RUNNING; |
| 1960 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1961 | sc->sc_if_flags = ifp->if_flags; |
| 1962 | |
| 1963 | out: |
| 1964 | if (error) { |
| 1965 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
| 1966 | ifp->if_timer = 0; |
| 1967 | printf("%s: interface not running\n" , device_xname(sc->sc_dev)); |
| 1968 | } |
| 1969 | return (error); |
| 1970 | } |
| 1971 | |
| 1972 | /* |
| 1973 | * tlp_enable: |
| 1974 | * |
| 1975 | * Enable the Tulip chip. |
| 1976 | */ |
| 1977 | static int |
| 1978 | tlp_enable(struct tulip_softc *sc) |
| 1979 | { |
| 1980 | |
| 1981 | if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { |
| 1982 | if ((*sc->sc_enable)(sc) != 0) { |
| 1983 | aprint_error_dev(sc->sc_dev, "device enable failed\n" ); |
| 1984 | return (EIO); |
| 1985 | } |
| 1986 | sc->sc_flags |= TULIPF_ENABLED; |
| 1987 | } |
| 1988 | return (0); |
| 1989 | } |
| 1990 | |
| 1991 | /* |
| 1992 | * tlp_disable: |
| 1993 | * |
| 1994 | * Disable the Tulip chip. |
| 1995 | */ |
| 1996 | static void |
| 1997 | tlp_disable(struct tulip_softc *sc) |
| 1998 | { |
| 1999 | |
| 2000 | if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { |
| 2001 | (*sc->sc_disable)(sc); |
| 2002 | sc->sc_flags &= ~TULIPF_ENABLED; |
| 2003 | } |
| 2004 | } |
| 2005 | |
| 2006 | /* |
| 2007 | * tlp_rxdrain: |
| 2008 | * |
| 2009 | * Drain the receive queue. |
| 2010 | */ |
| 2011 | static void |
| 2012 | tlp_rxdrain(struct tulip_softc *sc) |
| 2013 | { |
| 2014 | struct tulip_rxsoft *rxs; |
| 2015 | int i; |
| 2016 | |
| 2017 | for (i = 0; i < TULIP_NRXDESC; i++) { |
| 2018 | rxs = &sc->sc_rxsoft[i]; |
| 2019 | if (rxs->rxs_mbuf != NULL) { |
| 2020 | bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); |
| 2021 | m_freem(rxs->rxs_mbuf); |
| 2022 | rxs->rxs_mbuf = NULL; |
| 2023 | } |
| 2024 | } |
| 2025 | } |
| 2026 | |
| 2027 | /* |
| 2028 | * tlp_stop: [ ifnet interface function ] |
| 2029 | * |
| 2030 | * Stop transmission on the interface. |
| 2031 | */ |
| 2032 | static void |
| 2033 | tlp_stop(struct ifnet *ifp, int disable) |
| 2034 | { |
| 2035 | struct tulip_softc *sc = ifp->if_softc; |
| 2036 | struct tulip_txsoft *txs; |
| 2037 | |
| 2038 | if (sc->sc_tick != NULL) { |
| 2039 | /* Stop the one second clock. */ |
| 2040 | callout_stop(&sc->sc_tick_callout); |
| 2041 | } |
| 2042 | |
| 2043 | if (sc->sc_flags & TULIPF_HAS_MII) { |
| 2044 | /* Down the MII. */ |
| 2045 | mii_down(&sc->sc_mii); |
| 2046 | } |
| 2047 | |
| 2048 | /* Disable interrupts. */ |
| 2049 | TULIP_WRITE(sc, CSR_INTEN, 0); |
| 2050 | |
| 2051 | /* Stop the transmit and receive processes. */ |
| 2052 | sc->sc_opmode = 0; |
| 2053 | TULIP_WRITE(sc, CSR_OPMODE, 0); |
| 2054 | TULIP_WRITE(sc, CSR_RXLIST, 0); |
| 2055 | TULIP_WRITE(sc, CSR_TXLIST, 0); |
| 2056 | |
| 2057 | /* |
| 2058 | * Release any queued transmit buffers. |
| 2059 | */ |
| 2060 | while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { |
| 2061 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q); |
| 2062 | if (txs->txs_mbuf != NULL) { |
| 2063 | bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); |
| 2064 | m_freem(txs->txs_mbuf); |
| 2065 | txs->txs_mbuf = NULL; |
| 2066 | } |
| 2067 | SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); |
| 2068 | } |
| 2069 | |
| 2070 | sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); |
| 2071 | |
| 2072 | /* |
| 2073 | * Mark the interface down and cancel the watchdog timer. |
| 2074 | */ |
| 2075 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
| 2076 | sc->sc_if_flags = ifp->if_flags; |
| 2077 | ifp->if_timer = 0; |
| 2078 | |
| 2079 | /* |
| 2080 | * Reset the chip (needed on some flavors to actually disable it). |
| 2081 | */ |
| 2082 | tlp_reset(sc); |
| 2083 | |
| 2084 | if (disable) { |
| 2085 | tlp_rxdrain(sc); |
| 2086 | tlp_disable(sc); |
| 2087 | } |
| 2088 | } |
| 2089 | |
| 2090 | #define SROM_EMIT(sc, x) \ |
| 2091 | do { \ |
| 2092 | TULIP_WRITE((sc), CSR_MIIROM, (x)); \ |
| 2093 | delay(2); \ |
| 2094 | } while (0) |
| 2095 | |
| 2096 | /* |
| 2097 | * tlp_srom_idle: |
| 2098 | * |
| 2099 | * Put the SROM in idle state. |
| 2100 | */ |
| 2101 | static void |
| 2102 | tlp_srom_idle(struct tulip_softc *sc) |
| 2103 | { |
| 2104 | uint32_t miirom; |
| 2105 | int i; |
| 2106 | |
| 2107 | miirom = MIIROM_SR; |
| 2108 | SROM_EMIT(sc, miirom); |
| 2109 | |
| 2110 | miirom |= MIIROM_RD; |
| 2111 | SROM_EMIT(sc, miirom); |
| 2112 | |
| 2113 | miirom |= MIIROM_SROMCS; |
| 2114 | SROM_EMIT(sc, miirom); |
| 2115 | |
| 2116 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
| 2117 | |
| 2118 | /* Strobe the clock 32 times. */ |
| 2119 | for (i = 0; i < 32; i++) { |
| 2120 | SROM_EMIT(sc, miirom); |
| 2121 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
| 2122 | } |
| 2123 | |
| 2124 | SROM_EMIT(sc, miirom); |
| 2125 | |
| 2126 | miirom &= ~MIIROM_SROMCS; |
| 2127 | SROM_EMIT(sc, miirom); |
| 2128 | |
| 2129 | SROM_EMIT(sc, 0); |
| 2130 | } |
| 2131 | |
| 2132 | /* |
| 2133 | * tlp_srom_size: |
| 2134 | * |
| 2135 | * Determine the number of address bits in the SROM. |
| 2136 | */ |
| 2137 | static int |
| 2138 | tlp_srom_size(struct tulip_softc *sc) |
| 2139 | { |
| 2140 | uint32_t miirom; |
| 2141 | int x; |
| 2142 | |
| 2143 | /* Select the SROM. */ |
| 2144 | miirom = MIIROM_SR; |
| 2145 | SROM_EMIT(sc, miirom); |
| 2146 | |
| 2147 | miirom |= MIIROM_RD; |
| 2148 | SROM_EMIT(sc, miirom); |
| 2149 | |
| 2150 | /* Send CHIP SELECT for one clock tick. */ |
| 2151 | miirom |= MIIROM_SROMCS; |
| 2152 | SROM_EMIT(sc, miirom); |
| 2153 | |
| 2154 | /* Shift in the READ opcode. */ |
| 2155 | for (x = 3; x > 0; x--) { |
| 2156 | if (TULIP_SROM_OPC_READ & (1 << (x - 1))) |
| 2157 | miirom |= MIIROM_SROMDI; |
| 2158 | else |
| 2159 | miirom &= ~MIIROM_SROMDI; |
| 2160 | SROM_EMIT(sc, miirom); |
| 2161 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
| 2162 | SROM_EMIT(sc, miirom); |
| 2163 | } |
| 2164 | |
| 2165 | /* Shift in address and look for dummy 0 bit. */ |
| 2166 | for (x = 1; x <= 12; x++) { |
| 2167 | miirom &= ~MIIROM_SROMDI; |
| 2168 | SROM_EMIT(sc, miirom); |
| 2169 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
| 2170 | if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) |
| 2171 | break; |
| 2172 | SROM_EMIT(sc, miirom); |
| 2173 | } |
| 2174 | |
| 2175 | /* Clear CHIP SELECT. */ |
| 2176 | miirom &= ~MIIROM_SROMCS; |
| 2177 | SROM_EMIT(sc, miirom); |
| 2178 | |
| 2179 | /* Deselect the SROM. */ |
| 2180 | SROM_EMIT(sc, 0); |
| 2181 | |
| 2182 | if (x < 4 || x > 12) { |
| 2183 | aprint_debug_dev(sc->sc_dev, "broken MicroWire interface " |
| 2184 | "detected; setting SROM size to 1Kb\n" ); |
| 2185 | return (6); |
| 2186 | } else { |
| 2187 | if (tlp_srom_debug) |
| 2188 | printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n" , |
| 2189 | device_xname(sc->sc_dev), x, (1 << (x + 4)) >> 3); |
| 2190 | return (x); |
| 2191 | } |
| 2192 | } |
| 2193 | |
| 2194 | /* |
| 2195 | * tlp_read_srom: |
| 2196 | * |
| 2197 | * Read the Tulip SROM. |
| 2198 | */ |
| 2199 | int |
| 2200 | tlp_read_srom(struct tulip_softc *sc) |
| 2201 | { |
| 2202 | int size; |
| 2203 | uint32_t miirom; |
| 2204 | uint16_t datain; |
| 2205 | int i, x; |
| 2206 | |
| 2207 | tlp_srom_idle(sc); |
| 2208 | |
| 2209 | sc->sc_srom_addrbits = tlp_srom_size(sc); |
| 2210 | if (sc->sc_srom_addrbits == 0) |
| 2211 | return (0); |
| 2212 | size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); |
| 2213 | sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); |
| 2214 | |
| 2215 | /* Select the SROM. */ |
| 2216 | miirom = MIIROM_SR; |
| 2217 | SROM_EMIT(sc, miirom); |
| 2218 | |
| 2219 | miirom |= MIIROM_RD; |
| 2220 | SROM_EMIT(sc, miirom); |
| 2221 | |
| 2222 | for (i = 0; i < size; i += 2) { |
| 2223 | /* Send CHIP SELECT for one clock tick. */ |
| 2224 | miirom |= MIIROM_SROMCS; |
| 2225 | SROM_EMIT(sc, miirom); |
| 2226 | |
| 2227 | /* Shift in the READ opcode. */ |
| 2228 | for (x = 3; x > 0; x--) { |
| 2229 | if (TULIP_SROM_OPC_READ & (1 << (x - 1))) |
| 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 in address. */ |
| 2239 | for (x = sc->sc_srom_addrbits; x > 0; x--) { |
| 2240 | if (i & (1 << x)) |
| 2241 | miirom |= MIIROM_SROMDI; |
| 2242 | else |
| 2243 | miirom &= ~MIIROM_SROMDI; |
| 2244 | SROM_EMIT(sc, miirom); |
| 2245 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
| 2246 | SROM_EMIT(sc, miirom); |
| 2247 | } |
| 2248 | |
| 2249 | /* Shift out data. */ |
| 2250 | miirom &= ~MIIROM_SROMDI; |
| 2251 | datain = 0; |
| 2252 | for (x = 16; x > 0; x--) { |
| 2253 | SROM_EMIT(sc, miirom|MIIROM_SROMSK); |
| 2254 | if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) |
| 2255 | datain |= (1 << (x - 1)); |
| 2256 | SROM_EMIT(sc, miirom); |
| 2257 | } |
| 2258 | sc->sc_srom[i] = datain & 0xff; |
| 2259 | sc->sc_srom[i + 1] = datain >> 8; |
| 2260 | |
| 2261 | /* Clear CHIP SELECT. */ |
| 2262 | miirom &= ~MIIROM_SROMCS; |
| 2263 | SROM_EMIT(sc, miirom); |
| 2264 | } |
| 2265 | |
| 2266 | /* Deselect the SROM. */ |
| 2267 | SROM_EMIT(sc, 0); |
| 2268 | |
| 2269 | /* ...and idle it. */ |
| 2270 | tlp_srom_idle(sc); |
| 2271 | |
| 2272 | if (tlp_srom_debug) { |
| 2273 | printf("SROM CONTENTS:" ); |
| 2274 | for (i = 0; i < size; i++) { |
| 2275 | if ((i % 8) == 0) |
| 2276 | printf("\n\t" ); |
| 2277 | printf("0x%02x " , sc->sc_srom[i]); |
| 2278 | } |
| 2279 | printf("\n" ); |
| 2280 | } |
| 2281 | |
| 2282 | return (1); |
| 2283 | } |
| 2284 | |
| 2285 | #undef SROM_EMIT |
| 2286 | |
| 2287 | /* |
| 2288 | * tlp_add_rxbuf: |
| 2289 | * |
| 2290 | * Add a receive buffer to the indicated descriptor. |
| 2291 | */ |
| 2292 | static int |
| 2293 | tlp_add_rxbuf(struct tulip_softc *sc, int idx) |
| 2294 | { |
| 2295 | struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; |
| 2296 | struct mbuf *m; |
| 2297 | int error; |
| 2298 | |
| 2299 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
| 2300 | if (m == NULL) |
| 2301 | return (ENOBUFS); |
| 2302 | |
| 2303 | MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner); |
| 2304 | MCLGET(m, M_DONTWAIT); |
| 2305 | if ((m->m_flags & M_EXT) == 0) { |
| 2306 | m_freem(m); |
| 2307 | return (ENOBUFS); |
| 2308 | } |
| 2309 | |
| 2310 | if (rxs->rxs_mbuf != NULL) |
| 2311 | bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); |
| 2312 | |
| 2313 | rxs->rxs_mbuf = m; |
| 2314 | |
| 2315 | error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, |
| 2316 | m->m_ext.ext_buf, m->m_ext.ext_size, NULL, |
| 2317 | BUS_DMA_READ|BUS_DMA_NOWAIT); |
| 2318 | if (error) { |
| 2319 | aprint_error_dev(sc->sc_dev, |
| 2320 | "can't load rx DMA map %d, error = %d\n" , idx, error); |
| 2321 | panic("tlp_add_rxbuf" ); /* XXX */ |
| 2322 | } |
| 2323 | |
| 2324 | bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, |
| 2325 | rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); |
| 2326 | |
| 2327 | TULIP_INIT_RXDESC(sc, idx); |
| 2328 | |
| 2329 | return (0); |
| 2330 | } |
| 2331 | |
| 2332 | /* |
| 2333 | * tlp_srom_crcok: |
| 2334 | * |
| 2335 | * Check the CRC of the Tulip SROM. |
| 2336 | */ |
| 2337 | int |
| 2338 | tlp_srom_crcok(const uint8_t *romdata) |
| 2339 | { |
| 2340 | uint32_t crc; |
| 2341 | |
| 2342 | crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM); |
| 2343 | crc = (crc & 0xffff) ^ 0xffff; |
| 2344 | if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) |
| 2345 | return (1); |
| 2346 | |
| 2347 | /* |
| 2348 | * Try an alternate checksum. |
| 2349 | */ |
| 2350 | crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1); |
| 2351 | crc = (crc & 0xffff) ^ 0xffff; |
| 2352 | if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) |
| 2353 | return (1); |
| 2354 | |
| 2355 | return (0); |
| 2356 | } |
| 2357 | |
| 2358 | /* |
| 2359 | * tlp_isv_srom: |
| 2360 | * |
| 2361 | * Check to see if the SROM is in the new standardized format. |
| 2362 | */ |
| 2363 | int |
| 2364 | tlp_isv_srom(const uint8_t *romdata) |
| 2365 | { |
| 2366 | int i; |
| 2367 | uint16_t cksum; |
| 2368 | |
| 2369 | if (tlp_srom_crcok(romdata)) { |
| 2370 | /* |
| 2371 | * SROM CRC checks out; must be in the new format. |
| 2372 | */ |
| 2373 | return (1); |
| 2374 | } |
| 2375 | |
| 2376 | cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); |
| 2377 | if (cksum == 0xffff || cksum == 0) { |
| 2378 | /* |
| 2379 | * No checksum present. Check the SROM ID; 18 bytes of 0 |
| 2380 | * followed by 1 (version) followed by the number of |
| 2381 | * adapters which use this SROM (should be non-zero). |
| 2382 | */ |
| 2383 | for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { |
| 2384 | if (romdata[i] != 0) |
| 2385 | return (0); |
| 2386 | } |
| 2387 | if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) |
| 2388 | return (0); |
| 2389 | if (romdata[TULIP_ROM_CHIP_COUNT] == 0) |
| 2390 | return (0); |
| 2391 | return (1); |
| 2392 | } |
| 2393 | |
| 2394 | return (0); |
| 2395 | } |
| 2396 | |
| 2397 | /* |
| 2398 | * tlp_isv_srom_enaddr: |
| 2399 | * |
| 2400 | * Get the Ethernet address from an ISV SROM. |
| 2401 | */ |
| 2402 | int |
| 2403 | tlp_isv_srom_enaddr(struct tulip_softc *sc, uint8_t *enaddr) |
| 2404 | { |
| 2405 | int i, devcnt; |
| 2406 | |
| 2407 | if (tlp_isv_srom(sc->sc_srom) == 0) |
| 2408 | return (0); |
| 2409 | |
| 2410 | devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; |
| 2411 | for (i = 0; i < devcnt; i++) { |
| 2412 | if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) |
| 2413 | break; |
| 2414 | if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == |
| 2415 | sc->sc_devno) |
| 2416 | break; |
| 2417 | } |
| 2418 | |
| 2419 | if (i == devcnt) |
| 2420 | return (0); |
| 2421 | |
| 2422 | memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], |
| 2423 | ETHER_ADDR_LEN); |
| 2424 | enaddr[5] += i; |
| 2425 | |
| 2426 | return (1); |
| 2427 | } |
| 2428 | |
| 2429 | /* |
| 2430 | * tlp_parse_old_srom: |
| 2431 | * |
| 2432 | * Parse old-format SROMs. |
| 2433 | * |
| 2434 | * This routine is largely lifted from Matt Thomas's `de' driver. |
| 2435 | */ |
| 2436 | int |
| 2437 | tlp_parse_old_srom(struct tulip_softc *sc, uint8_t *enaddr) |
| 2438 | { |
| 2439 | static const uint8_t testpat[] = |
| 2440 | { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; |
| 2441 | int i; |
| 2442 | uint32_t cksum; |
| 2443 | |
| 2444 | if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { |
| 2445 | /* |
| 2446 | * Phobos G100 interfaces have the address at |
| 2447 | * offsets 0 and 20, but each pair of bytes is |
| 2448 | * swapped. |
| 2449 | */ |
| 2450 | if (sc->sc_srom_addrbits == 6 && |
| 2451 | sc->sc_srom[1] == 0x00 && |
| 2452 | sc->sc_srom[0] == 0x60 && |
| 2453 | sc->sc_srom[3] == 0xf5 && |
| 2454 | memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) { |
| 2455 | for (i = 0; i < 6; i += 2) { |
| 2456 | enaddr[i] = sc->sc_srom[i + 1]; |
| 2457 | enaddr[i + 1] = sc->sc_srom[i]; |
| 2458 | } |
| 2459 | return (1); |
| 2460 | } |
| 2461 | |
| 2462 | /* |
| 2463 | * Phobos G130/G160 interfaces have the address at |
| 2464 | * offsets 20 and 84, but each pair of bytes is |
| 2465 | * swapped. |
| 2466 | */ |
| 2467 | if (sc->sc_srom_addrbits == 6 && |
| 2468 | sc->sc_srom[21] == 0x00 && |
| 2469 | sc->sc_srom[20] == 0x60 && |
| 2470 | sc->sc_srom[23] == 0xf5 && |
| 2471 | memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) { |
| 2472 | for (i = 0; i < 6; i += 2) { |
| 2473 | enaddr[i] = sc->sc_srom[20 + i + 1]; |
| 2474 | enaddr[i + 1] = sc->sc_srom[20 + i]; |
| 2475 | } |
| 2476 | return (1); |
| 2477 | } |
| 2478 | |
| 2479 | /* |
| 2480 | * Cobalt Networks interfaces simply have the address |
| 2481 | * in the first six bytes. The rest is zeroed out |
| 2482 | * on some models, but others contain unknown data. |
| 2483 | */ |
| 2484 | if (sc->sc_srom[0] == 0x00 && |
| 2485 | sc->sc_srom[1] == 0x10 && |
| 2486 | sc->sc_srom[2] == 0xe0) { |
| 2487 | memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); |
| 2488 | return (1); |
| 2489 | } |
| 2490 | |
| 2491 | /* |
| 2492 | * Some vendors (e.g. ZNYX) don't use the standard |
| 2493 | * DEC Address ROM format, but rather just have an |
| 2494 | * Ethernet address in the first 6 bytes, maybe a |
| 2495 | * 2 byte checksum, and then all 0xff's. |
| 2496 | */ |
| 2497 | for (i = 8; i < 32; i++) { |
| 2498 | if (sc->sc_srom[i] != 0xff && |
| 2499 | sc->sc_srom[i] != 0) |
| 2500 | return (0); |
| 2501 | } |
| 2502 | |
| 2503 | /* |
| 2504 | * Sanity check the Ethernet address: |
| 2505 | * |
| 2506 | * - Make sure it's not multicast or locally |
| 2507 | * assigned |
| 2508 | * - Make sure it has a non-0 OUI |
| 2509 | */ |
| 2510 | if (sc->sc_srom[0] & 3) |
| 2511 | return (0); |
| 2512 | if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && |
| 2513 | sc->sc_srom[2] == 0) |
| 2514 | return (0); |
| 2515 | |
| 2516 | memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); |
| 2517 | return (1); |
| 2518 | } |
| 2519 | |
| 2520 | /* |
| 2521 | * Standard DEC Address ROM test. |
| 2522 | */ |
| 2523 | |
| 2524 | if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) |
| 2525 | return (0); |
| 2526 | |
| 2527 | for (i = 0; i < 8; i++) { |
| 2528 | if (sc->sc_srom[i] != sc->sc_srom[15 - i]) |
| 2529 | return (0); |
| 2530 | } |
| 2531 | |
| 2532 | memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); |
| 2533 | |
| 2534 | cksum = *(uint16_t *) &enaddr[0]; |
| 2535 | |
| 2536 | cksum <<= 1; |
| 2537 | if (cksum > 0xffff) |
| 2538 | cksum -= 0xffff; |
| 2539 | |
| 2540 | cksum += *(uint16_t *) &enaddr[2]; |
| 2541 | if (cksum > 0xffff) |
| 2542 | cksum -= 0xffff; |
| 2543 | |
| 2544 | cksum <<= 1; |
| 2545 | if (cksum > 0xffff) |
| 2546 | cksum -= 0xffff; |
| 2547 | |
| 2548 | cksum += *(uint16_t *) &enaddr[4]; |
| 2549 | if (cksum >= 0xffff) |
| 2550 | cksum -= 0xffff; |
| 2551 | |
| 2552 | if (cksum != *(uint16_t *) &sc->sc_srom[6]) |
| 2553 | return (0); |
| 2554 | |
| 2555 | return (1); |
| 2556 | } |
| 2557 | |
| 2558 | /* |
| 2559 | * tlp_filter_setup: |
| 2560 | * |
| 2561 | * Set the Tulip's receive filter. |
| 2562 | */ |
| 2563 | static void |
| 2564 | tlp_filter_setup(struct tulip_softc *sc) |
| 2565 | { |
| 2566 | struct ethercom *ec = &sc->sc_ethercom; |
| 2567 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 2568 | struct ether_multi *enm; |
| 2569 | struct ether_multistep step; |
| 2570 | volatile uint32_t *sp; |
| 2571 | struct tulip_txsoft *txs; |
| 2572 | struct tulip_desc *txd; |
| 2573 | uint8_t enaddr[ETHER_ADDR_LEN]; |
| 2574 | uint32_t hash, hashsize; |
| 2575 | int cnt, nexttx; |
| 2576 | |
| 2577 | DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n" , |
| 2578 | device_xname(sc->sc_dev), sc->sc_flags)); |
| 2579 | |
| 2580 | memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); |
| 2581 | |
| 2582 | /* |
| 2583 | * If there are transmissions pending, wait until they have |
| 2584 | * completed. |
| 2585 | */ |
| 2586 | if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) || |
| 2587 | (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { |
| 2588 | sc->sc_flags |= TULIPF_WANT_SETUP; |
| 2589 | DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n" , |
| 2590 | device_xname(sc->sc_dev))); |
| 2591 | return; |
| 2592 | } |
| 2593 | sc->sc_flags &= ~TULIPF_WANT_SETUP; |
| 2594 | |
| 2595 | switch (sc->sc_chip) { |
| 2596 | case TULIP_CHIP_82C115: |
| 2597 | hashsize = TULIP_PNICII_HASHSIZE; |
| 2598 | break; |
| 2599 | |
| 2600 | default: |
| 2601 | hashsize = TULIP_MCHASHSIZE; |
| 2602 | } |
| 2603 | |
| 2604 | /* |
| 2605 | * If we're running, idle the transmit and receive engines. If |
| 2606 | * we're NOT running, we're being called from tlp_init(), and our |
| 2607 | * writing OPMODE will start the transmit and receive processes |
| 2608 | * in motion. |
| 2609 | */ |
| 2610 | if (ifp->if_flags & IFF_RUNNING) |
| 2611 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
| 2612 | |
| 2613 | sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); |
| 2614 | |
| 2615 | if (ifp->if_flags & IFF_PROMISC) { |
| 2616 | sc->sc_opmode |= OPMODE_PR; |
| 2617 | goto allmulti; |
| 2618 | } |
| 2619 | |
| 2620 | /* |
| 2621 | * Try Perfect filtering first. |
| 2622 | */ |
| 2623 | |
| 2624 | sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; |
| 2625 | sp = TULIP_CDSP(sc); |
| 2626 | memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); |
| 2627 | cnt = 0; |
| 2628 | ETHER_FIRST_MULTI(step, ec, enm); |
| 2629 | while (enm != NULL) { |
| 2630 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
| 2631 | /* |
| 2632 | * We must listen to a range of multicast addresses. |
| 2633 | * For now, just accept all multicasts, rather than |
| 2634 | * trying to set only those filter bits needed to match |
| 2635 | * the range. (At this time, the only use of address |
| 2636 | * ranges is for IP multicast routing, for which the |
| 2637 | * range is big enough to require all bits set.) |
| 2638 | */ |
| 2639 | goto allmulti; |
| 2640 | } |
| 2641 | if (cnt == (TULIP_MAXADDRS - 2)) { |
| 2642 | /* |
| 2643 | * We already have our multicast limit (still need |
| 2644 | * our station address and broadcast). Go to |
| 2645 | * Hash-Perfect mode. |
| 2646 | */ |
| 2647 | goto hashperfect; |
| 2648 | } |
| 2649 | cnt++; |
| 2650 | *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 0)); |
| 2651 | *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 1)); |
| 2652 | *sp++ = htole32(TULIP_SP_FIELD(enm->enm_addrlo, 2)); |
| 2653 | ETHER_NEXT_MULTI(step, enm); |
| 2654 | } |
| 2655 | |
| 2656 | if (ifp->if_flags & IFF_BROADCAST) { |
| 2657 | /* ...and the broadcast address. */ |
| 2658 | cnt++; |
| 2659 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
| 2660 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
| 2661 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
| 2662 | } |
| 2663 | |
| 2664 | /* Pad the rest with our station address. */ |
| 2665 | for (; cnt < TULIP_MAXADDRS; cnt++) { |
| 2666 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); |
| 2667 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); |
| 2668 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); |
| 2669 | } |
| 2670 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 2671 | goto setit; |
| 2672 | |
| 2673 | hashperfect: |
| 2674 | /* |
| 2675 | * Try Hash-Perfect mode. |
| 2676 | */ |
| 2677 | |
| 2678 | /* |
| 2679 | * Some 21140 chips have broken Hash-Perfect modes. On these |
| 2680 | * chips, we simply use Hash-Only mode, and put our station |
| 2681 | * address into the filter. |
| 2682 | */ |
| 2683 | if (sc->sc_chip == TULIP_CHIP_21140) |
| 2684 | sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; |
| 2685 | else |
| 2686 | sc->sc_filtmode = TDCTL_Tx_FT_HASH; |
| 2687 | sp = TULIP_CDSP(sc); |
| 2688 | memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); |
| 2689 | ETHER_FIRST_MULTI(step, ec, enm); |
| 2690 | while (enm != NULL) { |
| 2691 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
| 2692 | /* |
| 2693 | * We must listen to a range of multicast addresses. |
| 2694 | * For now, just accept all multicasts, rather than |
| 2695 | * trying to set only those filter bits needed to match |
| 2696 | * the range. (At this time, the only use of address |
| 2697 | * ranges is for IP multicast routing, for which the |
| 2698 | * range is big enough to require all bits set.) |
| 2699 | */ |
| 2700 | goto allmulti; |
| 2701 | } |
| 2702 | hash = tlp_mchash(enm->enm_addrlo, hashsize); |
| 2703 | sp[hash >> 4] |= htole32(1 << (hash & 0xf)); |
| 2704 | ETHER_NEXT_MULTI(step, enm); |
| 2705 | } |
| 2706 | |
| 2707 | if (ifp->if_flags & IFF_BROADCAST) { |
| 2708 | /* ...and the broadcast address. */ |
| 2709 | hash = tlp_mchash(etherbroadcastaddr, hashsize); |
| 2710 | sp[hash >> 4] |= htole32(1 << (hash & 0xf)); |
| 2711 | } |
| 2712 | |
| 2713 | if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { |
| 2714 | /* ...and our station address. */ |
| 2715 | hash = tlp_mchash(enaddr, hashsize); |
| 2716 | sp[hash >> 4] |= htole32(1 << (hash & 0xf)); |
| 2717 | } else { |
| 2718 | /* |
| 2719 | * Hash-Perfect mode; put our station address after |
| 2720 | * the hash table. |
| 2721 | */ |
| 2722 | sp[39] = htole32(TULIP_SP_FIELD(enaddr, 0)); |
| 2723 | sp[40] = htole32(TULIP_SP_FIELD(enaddr, 1)); |
| 2724 | sp[41] = htole32(TULIP_SP_FIELD(enaddr, 2)); |
| 2725 | } |
| 2726 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 2727 | goto setit; |
| 2728 | |
| 2729 | allmulti: |
| 2730 | /* |
| 2731 | * Use Perfect filter mode. First address is the broadcast address, |
| 2732 | * and pad the rest with our station address. We'll set Pass-all- |
| 2733 | * multicast in OPMODE below. |
| 2734 | */ |
| 2735 | sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; |
| 2736 | sp = TULIP_CDSP(sc); |
| 2737 | memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); |
| 2738 | cnt = 0; |
| 2739 | if (ifp->if_flags & IFF_BROADCAST) { |
| 2740 | cnt++; |
| 2741 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
| 2742 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
| 2743 | *sp++ = htole32(TULIP_SP_FIELD_C(0xff, 0xff)); |
| 2744 | } |
| 2745 | for (; cnt < TULIP_MAXADDRS; cnt++) { |
| 2746 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 0)); |
| 2747 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 1)); |
| 2748 | *sp++ = htole32(TULIP_SP_FIELD(enaddr, 2)); |
| 2749 | } |
| 2750 | ifp->if_flags |= IFF_ALLMULTI; |
| 2751 | |
| 2752 | setit: |
| 2753 | if (ifp->if_flags & IFF_ALLMULTI) |
| 2754 | sc->sc_opmode |= OPMODE_PM; |
| 2755 | |
| 2756 | /* Sync the setup packet buffer. */ |
| 2757 | TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); |
| 2758 | |
| 2759 | /* |
| 2760 | * Fill in the setup packet descriptor. |
| 2761 | */ |
| 2762 | txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); |
| 2763 | |
| 2764 | txs->txs_firstdesc = sc->sc_txnext; |
| 2765 | txs->txs_lastdesc = sc->sc_txnext; |
| 2766 | txs->txs_ndescs = 1; |
| 2767 | txs->txs_mbuf = NULL; |
| 2768 | |
| 2769 | nexttx = sc->sc_txnext; |
| 2770 | txd = &sc->sc_txdescs[nexttx]; |
| 2771 | txd->td_status = 0; |
| 2772 | txd->td_bufaddr1 = htole32(TULIP_CDSPADDR(sc)); |
| 2773 | txd->td_ctl = htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | |
| 2774 | sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls | |
| 2775 | TDCTL_Tx_IC | sc->sc_tdctl_ch | |
| 2776 | (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); |
| 2777 | TULIP_CDTXSYNC(sc, nexttx, 1, |
| 2778 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
| 2779 | |
| 2780 | #ifdef TLP_DEBUG |
| 2781 | if (ifp->if_flags & IFF_DEBUG) { |
| 2782 | printf(" filter_setup %p transmit chain:\n" , txs); |
| 2783 | printf(" descriptor %d:\n" , nexttx); |
| 2784 | printf(" td_status: 0x%08x\n" , le32toh(txd->td_status)); |
| 2785 | printf(" td_ctl: 0x%08x\n" , le32toh(txd->td_ctl)); |
| 2786 | printf(" td_bufaddr1: 0x%08x\n" , |
| 2787 | le32toh(txd->td_bufaddr1)); |
| 2788 | printf(" td_bufaddr2: 0x%08x\n" , |
| 2789 | le32toh(txd->td_bufaddr2)); |
| 2790 | } |
| 2791 | #endif |
| 2792 | |
| 2793 | txd->td_status = htole32(TDSTAT_OWN); |
| 2794 | TULIP_CDTXSYNC(sc, nexttx, 1, |
| 2795 | BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); |
| 2796 | |
| 2797 | /* Advance the tx pointer. */ |
| 2798 | sc->sc_txfree -= 1; |
| 2799 | sc->sc_txnext = TULIP_NEXTTX(nexttx); |
| 2800 | |
| 2801 | SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q); |
| 2802 | SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); |
| 2803 | |
| 2804 | /* |
| 2805 | * Set the OPMODE register. This will also resume the |
| 2806 | * transmit process we idled above. |
| 2807 | */ |
| 2808 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 2809 | |
| 2810 | sc->sc_flags |= TULIPF_DOING_SETUP; |
| 2811 | |
| 2812 | /* |
| 2813 | * Kick the transmitter; this will cause the Tulip to |
| 2814 | * read the setup descriptor. |
| 2815 | */ |
| 2816 | /* XXX USE AUTOPOLLING? */ |
| 2817 | TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); |
| 2818 | |
| 2819 | /* Set up a watchdog timer in case the chip flakes out. */ |
| 2820 | ifp->if_timer = 5; |
| 2821 | |
| 2822 | DPRINTF(sc, ("%s: tlp_filter_setup: returning\n" , |
| 2823 | device_xname(sc->sc_dev))); |
| 2824 | } |
| 2825 | |
| 2826 | /* |
| 2827 | * tlp_winb_filter_setup: |
| 2828 | * |
| 2829 | * Set the Winbond 89C840F's receive filter. |
| 2830 | */ |
| 2831 | static void |
| 2832 | tlp_winb_filter_setup(struct tulip_softc *sc) |
| 2833 | { |
| 2834 | struct ethercom *ec = &sc->sc_ethercom; |
| 2835 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 2836 | struct ether_multi *enm; |
| 2837 | struct ether_multistep step; |
| 2838 | uint32_t hash, mchash[2]; |
| 2839 | |
| 2840 | DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n" , |
| 2841 | device_xname(sc->sc_dev), sc->sc_flags)); |
| 2842 | |
| 2843 | sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); |
| 2844 | |
| 2845 | if (ifp->if_flags & IFF_MULTICAST) |
| 2846 | sc->sc_opmode |= OPMODE_WINB_AMP; |
| 2847 | |
| 2848 | if (ifp->if_flags & IFF_BROADCAST) |
| 2849 | sc->sc_opmode |= OPMODE_WINB_ABP; |
| 2850 | |
| 2851 | if (ifp->if_flags & IFF_PROMISC) { |
| 2852 | sc->sc_opmode |= OPMODE_WINB_APP; |
| 2853 | goto allmulti; |
| 2854 | } |
| 2855 | |
| 2856 | mchash[0] = mchash[1] = 0; |
| 2857 | |
| 2858 | ETHER_FIRST_MULTI(step, ec, enm); |
| 2859 | while (enm != NULL) { |
| 2860 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
| 2861 | /* |
| 2862 | * We must listen to a range of multicast addresses. |
| 2863 | * For now, just accept all multicasts, rather than |
| 2864 | * trying to set only those filter bits needed to match |
| 2865 | * the range. (At this time, the only use of address |
| 2866 | * ranges is for IP multicast routing, for which the |
| 2867 | * range is big enough to require all bits set.) |
| 2868 | */ |
| 2869 | goto allmulti; |
| 2870 | } |
| 2871 | |
| 2872 | /* |
| 2873 | * According to the FreeBSD `wb' driver, yes, you |
| 2874 | * really do invert the hash. |
| 2875 | */ |
| 2876 | hash = |
| 2877 | (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) |
| 2878 | & 0x3f; |
| 2879 | mchash[hash >> 5] |= 1 << (hash & 0x1f); |
| 2880 | ETHER_NEXT_MULTI(step, enm); |
| 2881 | } |
| 2882 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 2883 | goto setit; |
| 2884 | |
| 2885 | allmulti: |
| 2886 | ifp->if_flags |= IFF_ALLMULTI; |
| 2887 | mchash[0] = mchash[1] = 0xffffffff; |
| 2888 | |
| 2889 | setit: |
| 2890 | TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); |
| 2891 | TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); |
| 2892 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 2893 | DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n" , |
| 2894 | device_xname(sc->sc_dev))); |
| 2895 | } |
| 2896 | |
| 2897 | /* |
| 2898 | * tlp_al981_filter_setup: |
| 2899 | * |
| 2900 | * Set the ADMtek AL981's receive filter. |
| 2901 | */ |
| 2902 | static void |
| 2903 | tlp_al981_filter_setup(struct tulip_softc *sc) |
| 2904 | { |
| 2905 | struct ethercom *ec = &sc->sc_ethercom; |
| 2906 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 2907 | struct ether_multi *enm; |
| 2908 | struct ether_multistep step; |
| 2909 | uint32_t hash, mchash[2]; |
| 2910 | |
| 2911 | /* |
| 2912 | * If the chip is running, we need to reset the interface, |
| 2913 | * and will revisit here (with IFF_RUNNING) clear. The |
| 2914 | * chip seems to really not like to have its multicast |
| 2915 | * filter programmed without a reset. |
| 2916 | */ |
| 2917 | if (ifp->if_flags & IFF_RUNNING) { |
| 2918 | (void) tlp_init(ifp); |
| 2919 | return; |
| 2920 | } |
| 2921 | |
| 2922 | DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n" , |
| 2923 | device_xname(sc->sc_dev), sc->sc_flags)); |
| 2924 | |
| 2925 | sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); |
| 2926 | |
| 2927 | if (ifp->if_flags & IFF_PROMISC) { |
| 2928 | sc->sc_opmode |= OPMODE_PR; |
| 2929 | goto allmulti; |
| 2930 | } |
| 2931 | |
| 2932 | mchash[0] = mchash[1] = 0; |
| 2933 | |
| 2934 | ETHER_FIRST_MULTI(step, ec, enm); |
| 2935 | while (enm != NULL) { |
| 2936 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
| 2937 | /* |
| 2938 | * We must listen to a range of multicast addresses. |
| 2939 | * For now, just accept all multicasts, rather than |
| 2940 | * trying to set only those filter bits needed to match |
| 2941 | * the range. (At this time, the only use of address |
| 2942 | * ranges is for IP multicast routing, for which the |
| 2943 | * range is big enough to require all bits set.) |
| 2944 | */ |
| 2945 | goto allmulti; |
| 2946 | } |
| 2947 | |
| 2948 | hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f; |
| 2949 | mchash[hash >> 5] |= 1 << (hash & 0x1f); |
| 2950 | ETHER_NEXT_MULTI(step, enm); |
| 2951 | } |
| 2952 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 2953 | goto setit; |
| 2954 | |
| 2955 | allmulti: |
| 2956 | ifp->if_flags |= IFF_ALLMULTI; |
| 2957 | mchash[0] = mchash[1] = 0xffffffff; |
| 2958 | |
| 2959 | setit: |
| 2960 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]); |
| 2961 | bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]); |
| 2962 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 2963 | DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n" , |
| 2964 | device_xname(sc->sc_dev))); |
| 2965 | } |
| 2966 | |
| 2967 | /* |
| 2968 | * tlp_asix_filter_setup: |
| 2969 | * |
| 2970 | * Set the ASIX AX8814x recieve filter. |
| 2971 | */ |
| 2972 | static void |
| 2973 | tlp_asix_filter_setup(struct tulip_softc *sc) |
| 2974 | { |
| 2975 | struct ethercom *ec = &sc->sc_ethercom; |
| 2976 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 2977 | struct ether_multi *enm; |
| 2978 | struct ether_multistep step; |
| 2979 | uint32_t hash, mchash[2]; |
| 2980 | |
| 2981 | DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n" , |
| 2982 | device_xname(sc->sc_dev), sc->sc_flags)); |
| 2983 | |
| 2984 | sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR); |
| 2985 | |
| 2986 | if (ifp->if_flags & IFF_MULTICAST) |
| 2987 | sc->sc_opmode |= OPMODE_PM; |
| 2988 | |
| 2989 | if (ifp->if_flags & IFF_BROADCAST) |
| 2990 | sc->sc_opmode |= OPMODE_AX_RB; |
| 2991 | |
| 2992 | if (ifp->if_flags & IFF_PROMISC) { |
| 2993 | sc->sc_opmode |= OPMODE_PR; |
| 2994 | goto allmulti; |
| 2995 | } |
| 2996 | |
| 2997 | mchash[0] = mchash[1] = 0; |
| 2998 | |
| 2999 | ETHER_FIRST_MULTI(step, ec, enm); |
| 3000 | while (enm != NULL) { |
| 3001 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { |
| 3002 | /* |
| 3003 | * We must listen to a range of multicast addresses. |
| 3004 | * For now, just accept all multicasts, rather than |
| 3005 | * trying to set only those filter bits needed to match |
| 3006 | * the range. (At this time, the only use of address |
| 3007 | * ranges is for IP multicast routing, for which the |
| 3008 | * range is big enough to require all bits set.) |
| 3009 | */ |
| 3010 | goto allmulti; |
| 3011 | } |
| 3012 | hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) |
| 3013 | & 0x3f; |
| 3014 | if (hash < 32) |
| 3015 | mchash[0] |= (1 << hash); |
| 3016 | else |
| 3017 | mchash[1] |= (1 << (hash - 32)); |
| 3018 | ETHER_NEXT_MULTI(step, enm); |
| 3019 | } |
| 3020 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 3021 | goto setit; |
| 3022 | |
| 3023 | allmulti: |
| 3024 | ifp->if_flags |= IFF_ALLMULTI; |
| 3025 | mchash[0] = mchash[1] = 0xffffffff; |
| 3026 | |
| 3027 | setit: |
| 3028 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0); |
| 3029 | TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]); |
| 3030 | TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1); |
| 3031 | TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]); |
| 3032 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3033 | DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n" , |
| 3034 | device_xname(sc->sc_dev))); |
| 3035 | } |
| 3036 | |
| 3037 | |
| 3038 | /* |
| 3039 | * tlp_idle: |
| 3040 | * |
| 3041 | * Cause the transmit and/or receive processes to go idle. |
| 3042 | */ |
| 3043 | void |
| 3044 | tlp_idle(struct tulip_softc *sc, uint32_t bits) |
| 3045 | { |
| 3046 | static const char * const tlp_tx_state_names[] = { |
| 3047 | "STOPPED" , |
| 3048 | "RUNNING - FETCH" , |
| 3049 | "RUNNING - WAIT" , |
| 3050 | "RUNNING - READING" , |
| 3051 | "-- RESERVED --" , |
| 3052 | "RUNNING - SETUP" , |
| 3053 | "SUSPENDED" , |
| 3054 | "RUNNING - CLOSE" , |
| 3055 | }; |
| 3056 | static const char * const tlp_rx_state_names[] = { |
| 3057 | "STOPPED" , |
| 3058 | "RUNNING - FETCH" , |
| 3059 | "RUNNING - CHECK" , |
| 3060 | "RUNNING - WAIT" , |
| 3061 | "SUSPENDED" , |
| 3062 | "RUNNING - CLOSE" , |
| 3063 | "RUNNING - FLUSH" , |
| 3064 | "RUNNING - QUEUE" , |
| 3065 | }; |
| 3066 | static const char * const dm9102_tx_state_names[] = { |
| 3067 | "STOPPED" , |
| 3068 | "RUNNING - FETCH" , |
| 3069 | "RUNNING - SETUP" , |
| 3070 | "RUNNING - READING" , |
| 3071 | "RUNNING - CLOSE - CLEAR OWNER" , |
| 3072 | "RUNNING - WAIT" , |
| 3073 | "RUNNING - CLOSE - WRITE STATUS" , |
| 3074 | "SUSPENDED" , |
| 3075 | }; |
| 3076 | static const char * const dm9102_rx_state_names[] = { |
| 3077 | "STOPPED" , |
| 3078 | "RUNNING - FETCH" , |
| 3079 | "RUNNING - WAIT" , |
| 3080 | "RUNNING - QUEUE" , |
| 3081 | "RUNNING - CLOSE - CLEAR OWNER" , |
| 3082 | "RUNNING - CLOSE - WRITE STATUS" , |
| 3083 | "SUSPENDED" , |
| 3084 | "RUNNING - FLUSH" , |
| 3085 | }; |
| 3086 | |
| 3087 | const char * const *tx_state_names, * const *rx_state_names; |
| 3088 | uint32_t csr, ackmask = 0; |
| 3089 | int i; |
| 3090 | |
| 3091 | switch (sc->sc_chip) { |
| 3092 | case TULIP_CHIP_DM9102: |
| 3093 | case TULIP_CHIP_DM9102A: |
| 3094 | tx_state_names = dm9102_tx_state_names; |
| 3095 | rx_state_names = dm9102_rx_state_names; |
| 3096 | break; |
| 3097 | |
| 3098 | default: |
| 3099 | tx_state_names = tlp_tx_state_names; |
| 3100 | rx_state_names = tlp_rx_state_names; |
| 3101 | break; |
| 3102 | } |
| 3103 | |
| 3104 | if (bits & OPMODE_ST) |
| 3105 | ackmask |= STATUS_TPS; |
| 3106 | |
| 3107 | if (bits & OPMODE_SR) |
| 3108 | ackmask |= STATUS_RPS; |
| 3109 | |
| 3110 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); |
| 3111 | |
| 3112 | for (i = 0; i < 1000; i++) { |
| 3113 | if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) |
| 3114 | break; |
| 3115 | delay(10); |
| 3116 | } |
| 3117 | |
| 3118 | csr = TULIP_READ(sc, CSR_STATUS); |
| 3119 | if ((csr & ackmask) != ackmask) { |
| 3120 | if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && |
| 3121 | (csr & STATUS_TS) != STATUS_TS_STOPPED) { |
| 3122 | switch (sc->sc_chip) { |
| 3123 | case TULIP_CHIP_AX88140: |
| 3124 | case TULIP_CHIP_AX88141: |
| 3125 | /* |
| 3126 | * Filter the message out on noisy chips. |
| 3127 | */ |
| 3128 | break; |
| 3129 | default: |
| 3130 | printf("%s: transmit process failed to idle: " |
| 3131 | "state %s\n" , device_xname(sc->sc_dev), |
| 3132 | tx_state_names[(csr & STATUS_TS) >> 20]); |
| 3133 | } |
| 3134 | } |
| 3135 | if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && |
| 3136 | (csr & STATUS_RS) != STATUS_RS_STOPPED) { |
| 3137 | switch (sc->sc_chip) { |
| 3138 | case TULIP_CHIP_AN983: |
| 3139 | case TULIP_CHIP_AN985: |
| 3140 | case TULIP_CHIP_DM9102A: |
| 3141 | case TULIP_CHIP_RS7112: |
| 3142 | /* |
| 3143 | * Filter the message out on noisy chips. |
| 3144 | */ |
| 3145 | break; |
| 3146 | default: |
| 3147 | printf("%s: receive process failed to idle: " |
| 3148 | "state %s\n" , device_xname(sc->sc_dev), |
| 3149 | rx_state_names[(csr & STATUS_RS) >> 17]); |
| 3150 | } |
| 3151 | } |
| 3152 | } |
| 3153 | TULIP_WRITE(sc, CSR_STATUS, ackmask); |
| 3154 | } |
| 3155 | |
| 3156 | /***************************************************************************** |
| 3157 | * Generic media support functions. |
| 3158 | *****************************************************************************/ |
| 3159 | |
| 3160 | /* |
| 3161 | * tlp_mediastatus: [ifmedia interface function] |
| 3162 | * |
| 3163 | * Query the current media. |
| 3164 | */ |
| 3165 | void |
| 3166 | tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) |
| 3167 | { |
| 3168 | struct tulip_softc *sc = ifp->if_softc; |
| 3169 | |
| 3170 | if (TULIP_IS_ENABLED(sc) == 0) { |
| 3171 | ifmr->ifm_active = IFM_ETHER | IFM_NONE; |
| 3172 | ifmr->ifm_status = 0; |
| 3173 | return; |
| 3174 | } |
| 3175 | |
| 3176 | (*sc->sc_mediasw->tmsw_get)(sc, ifmr); |
| 3177 | } |
| 3178 | |
| 3179 | /* |
| 3180 | * tlp_mediachange: [ifmedia interface function] |
| 3181 | * |
| 3182 | * Update the current media. |
| 3183 | */ |
| 3184 | int |
| 3185 | tlp_mediachange(struct ifnet *ifp) |
| 3186 | { |
| 3187 | struct tulip_softc *sc = ifp->if_softc; |
| 3188 | |
| 3189 | if ((ifp->if_flags & IFF_UP) == 0) |
| 3190 | return (0); |
| 3191 | return ((*sc->sc_mediasw->tmsw_set)(sc)); |
| 3192 | } |
| 3193 | |
| 3194 | /***************************************************************************** |
| 3195 | * Support functions for MII-attached media. |
| 3196 | *****************************************************************************/ |
| 3197 | |
| 3198 | /* |
| 3199 | * tlp_mii_tick: |
| 3200 | * |
| 3201 | * One second timer, used to tick the MII. |
| 3202 | */ |
| 3203 | static void |
| 3204 | tlp_mii_tick(void *arg) |
| 3205 | { |
| 3206 | struct tulip_softc *sc = arg; |
| 3207 | int s; |
| 3208 | |
| 3209 | if (!device_is_active(sc->sc_dev)) |
| 3210 | return; |
| 3211 | |
| 3212 | s = splnet(); |
| 3213 | mii_tick(&sc->sc_mii); |
| 3214 | splx(s); |
| 3215 | |
| 3216 | callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); |
| 3217 | } |
| 3218 | |
| 3219 | /* |
| 3220 | * tlp_mii_statchg: [mii interface function] |
| 3221 | * |
| 3222 | * Callback from PHY when media changes. |
| 3223 | */ |
| 3224 | static void |
| 3225 | tlp_mii_statchg(struct ifnet *ifp) |
| 3226 | { |
| 3227 | struct tulip_softc *sc = ifp->if_softc; |
| 3228 | |
| 3229 | /* Idle the transmit and receive processes. */ |
| 3230 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
| 3231 | |
| 3232 | sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); |
| 3233 | |
| 3234 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) |
| 3235 | sc->sc_opmode |= OPMODE_TTM; |
| 3236 | else |
| 3237 | sc->sc_opmode |= OPMODE_HBD; |
| 3238 | |
| 3239 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
| 3240 | sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; |
| 3241 | |
| 3242 | /* |
| 3243 | * Write new OPMODE bits. This also restarts the transmit |
| 3244 | * and receive processes. |
| 3245 | */ |
| 3246 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3247 | } |
| 3248 | |
| 3249 | /* |
| 3250 | * tlp_winb_mii_statchg: [mii interface function] |
| 3251 | * |
| 3252 | * Callback from PHY when media changes. This version is |
| 3253 | * for the Winbond 89C840F, which has different OPMODE bits. |
| 3254 | */ |
| 3255 | static void |
| 3256 | tlp_winb_mii_statchg(struct ifnet *ifp) |
| 3257 | { |
| 3258 | struct tulip_softc *sc = ifp->if_softc; |
| 3259 | |
| 3260 | /* Idle the transmit and receive processes. */ |
| 3261 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
| 3262 | |
| 3263 | sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); |
| 3264 | |
| 3265 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) |
| 3266 | sc->sc_opmode |= OPMODE_WINB_FES; |
| 3267 | |
| 3268 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
| 3269 | sc->sc_opmode |= OPMODE_FD; |
| 3270 | |
| 3271 | /* |
| 3272 | * Write new OPMODE bits. This also restarts the transmit |
| 3273 | * and receive processes. |
| 3274 | */ |
| 3275 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3276 | } |
| 3277 | |
| 3278 | /* |
| 3279 | * tlp_dm9102_mii_statchg: [mii interface function] |
| 3280 | * |
| 3281 | * Callback from PHY when media changes. This version is |
| 3282 | * for the DM9102. |
| 3283 | */ |
| 3284 | static void |
| 3285 | tlp_dm9102_mii_statchg(struct ifnet *ifp) |
| 3286 | { |
| 3287 | struct tulip_softc *sc = ifp->if_softc; |
| 3288 | |
| 3289 | /* |
| 3290 | * Don't idle the transmit and receive processes, here. It |
| 3291 | * seems to fail, and just causes excess noise. |
| 3292 | */ |
| 3293 | sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD); |
| 3294 | |
| 3295 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX) |
| 3296 | sc->sc_opmode |= OPMODE_TTM; |
| 3297 | |
| 3298 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
| 3299 | sc->sc_opmode |= OPMODE_FD; |
| 3300 | |
| 3301 | /* |
| 3302 | * Write new OPMODE bits. |
| 3303 | */ |
| 3304 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3305 | } |
| 3306 | |
| 3307 | /* |
| 3308 | * tlp_mii_getmedia: |
| 3309 | * |
| 3310 | * Callback from ifmedia to request current media status. |
| 3311 | */ |
| 3312 | static void |
| 3313 | tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 3314 | { |
| 3315 | |
| 3316 | mii_pollstat(&sc->sc_mii); |
| 3317 | ifmr->ifm_status = sc->sc_mii.mii_media_status; |
| 3318 | ifmr->ifm_active = sc->sc_mii.mii_media_active; |
| 3319 | } |
| 3320 | |
| 3321 | /* |
| 3322 | * tlp_mii_setmedia: |
| 3323 | * |
| 3324 | * Callback from ifmedia to request new media setting. |
| 3325 | */ |
| 3326 | static int |
| 3327 | tlp_mii_setmedia(struct tulip_softc *sc) |
| 3328 | { |
| 3329 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 3330 | int rc; |
| 3331 | |
| 3332 | if ((ifp->if_flags & IFF_UP) == 0) |
| 3333 | return 0; |
| 3334 | switch (sc->sc_chip) { |
| 3335 | case TULIP_CHIP_21142: |
| 3336 | case TULIP_CHIP_21143: |
| 3337 | /* Disable the internal Nway engine. */ |
| 3338 | TULIP_WRITE(sc, CSR_SIATXRX, 0); |
| 3339 | break; |
| 3340 | |
| 3341 | default: |
| 3342 | /* Nothing. */ |
| 3343 | break; |
| 3344 | } |
| 3345 | if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) |
| 3346 | return 0; |
| 3347 | return rc; |
| 3348 | } |
| 3349 | |
| 3350 | /* |
| 3351 | * tlp_bitbang_mii_readreg: |
| 3352 | * |
| 3353 | * Read a PHY register via bit-bang'ing the MII. |
| 3354 | */ |
| 3355 | static int |
| 3356 | tlp_bitbang_mii_readreg(device_t self, int phy, int reg) |
| 3357 | { |
| 3358 | struct tulip_softc *sc = device_private(self); |
| 3359 | |
| 3360 | return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); |
| 3361 | } |
| 3362 | |
| 3363 | /* |
| 3364 | * tlp_bitbang_mii_writereg: |
| 3365 | * |
| 3366 | * Write a PHY register via bit-bang'ing the MII. |
| 3367 | */ |
| 3368 | static void |
| 3369 | tlp_bitbang_mii_writereg(device_t self, int phy, int reg, int val) |
| 3370 | { |
| 3371 | struct tulip_softc *sc = device_private(self); |
| 3372 | |
| 3373 | mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); |
| 3374 | } |
| 3375 | |
| 3376 | /* |
| 3377 | * tlp_sio_mii_bitbang_read: |
| 3378 | * |
| 3379 | * Read the MII serial port for the MII bit-bang module. |
| 3380 | */ |
| 3381 | static uint32_t |
| 3382 | tlp_sio_mii_bitbang_read(device_t self) |
| 3383 | { |
| 3384 | struct tulip_softc *sc = device_private(self); |
| 3385 | |
| 3386 | return (TULIP_READ(sc, CSR_MIIROM)); |
| 3387 | } |
| 3388 | |
| 3389 | /* |
| 3390 | * tlp_sio_mii_bitbang_write: |
| 3391 | * |
| 3392 | * Write the MII serial port for the MII bit-bang module. |
| 3393 | */ |
| 3394 | static void |
| 3395 | tlp_sio_mii_bitbang_write(device_t self, uint32_t val) |
| 3396 | { |
| 3397 | struct tulip_softc *sc = device_private(self); |
| 3398 | |
| 3399 | TULIP_WRITE(sc, CSR_MIIROM, val); |
| 3400 | } |
| 3401 | |
| 3402 | /* |
| 3403 | * tlp_pnic_mii_readreg: |
| 3404 | * |
| 3405 | * Read a PHY register on the Lite-On PNIC. |
| 3406 | */ |
| 3407 | static int |
| 3408 | tlp_pnic_mii_readreg(device_t self, int phy, int reg) |
| 3409 | { |
| 3410 | struct tulip_softc *sc = device_private(self); |
| 3411 | uint32_t val; |
| 3412 | int i; |
| 3413 | |
| 3414 | TULIP_WRITE(sc, CSR_PNIC_MII, |
| 3415 | PNIC_MII_MBO | PNIC_MII_RESERVED | |
| 3416 | PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | |
| 3417 | (reg << PNIC_MII_REGSHIFT)); |
| 3418 | |
| 3419 | for (i = 0; i < 1000; i++) { |
| 3420 | delay(10); |
| 3421 | val = TULIP_READ(sc, CSR_PNIC_MII); |
| 3422 | if ((val & PNIC_MII_BUSY) == 0) { |
| 3423 | if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) |
| 3424 | return (0); |
| 3425 | else |
| 3426 | return (val & PNIC_MII_DATA); |
| 3427 | } |
| 3428 | } |
| 3429 | printf("%s: MII read timed out\n" , device_xname(sc->sc_dev)); |
| 3430 | return (0); |
| 3431 | } |
| 3432 | |
| 3433 | /* |
| 3434 | * tlp_pnic_mii_writereg: |
| 3435 | * |
| 3436 | * Write a PHY register on the Lite-On PNIC. |
| 3437 | */ |
| 3438 | static void |
| 3439 | tlp_pnic_mii_writereg(device_t self, int phy, int reg, int val) |
| 3440 | { |
| 3441 | struct tulip_softc *sc = device_private(self); |
| 3442 | int i; |
| 3443 | |
| 3444 | TULIP_WRITE(sc, CSR_PNIC_MII, |
| 3445 | PNIC_MII_MBO | PNIC_MII_RESERVED | |
| 3446 | PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | |
| 3447 | (reg << PNIC_MII_REGSHIFT) | val); |
| 3448 | |
| 3449 | for (i = 0; i < 1000; i++) { |
| 3450 | delay(10); |
| 3451 | if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) |
| 3452 | return; |
| 3453 | } |
| 3454 | printf("%s: MII write timed out\n" , device_xname(sc->sc_dev)); |
| 3455 | } |
| 3456 | |
| 3457 | static const bus_addr_t tlp_al981_phy_regmap[] = { |
| 3458 | CSR_ADM_BMCR, |
| 3459 | CSR_ADM_BMSR, |
| 3460 | CSR_ADM_PHYIDR1, |
| 3461 | CSR_ADM_PHYIDR2, |
| 3462 | CSR_ADM_ANAR, |
| 3463 | CSR_ADM_ANLPAR, |
| 3464 | CSR_ADM_ANER, |
| 3465 | |
| 3466 | CSR_ADM_XMC, |
| 3467 | CSR_ADM_XCIIS, |
| 3468 | CSR_ADM_XIE, |
| 3469 | CSR_ADM_100CTR, |
| 3470 | }; |
| 3471 | static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / |
| 3472 | sizeof(tlp_al981_phy_regmap[0]); |
| 3473 | |
| 3474 | /* |
| 3475 | * tlp_al981_mii_readreg: |
| 3476 | * |
| 3477 | * Read a PHY register on the ADMtek AL981. |
| 3478 | */ |
| 3479 | static int |
| 3480 | tlp_al981_mii_readreg(device_t self, int phy, int reg) |
| 3481 | { |
| 3482 | struct tulip_softc *sc = device_private(self); |
| 3483 | |
| 3484 | /* AL981 only has an internal PHY. */ |
| 3485 | if (phy != 0) |
| 3486 | return (0); |
| 3487 | |
| 3488 | if (reg >= tlp_al981_phy_regmap_size) |
| 3489 | return (0); |
| 3490 | |
| 3491 | return (bus_space_read_4(sc->sc_st, sc->sc_sh, |
| 3492 | tlp_al981_phy_regmap[reg]) & 0xffff); |
| 3493 | } |
| 3494 | |
| 3495 | /* |
| 3496 | * tlp_al981_mii_writereg: |
| 3497 | * |
| 3498 | * Write a PHY register on the ADMtek AL981. |
| 3499 | */ |
| 3500 | static void |
| 3501 | tlp_al981_mii_writereg(device_t self, int phy, int reg, int val) |
| 3502 | { |
| 3503 | struct tulip_softc *sc = device_private(self); |
| 3504 | |
| 3505 | /* AL981 only has an internal PHY. */ |
| 3506 | if (phy != 0) |
| 3507 | return; |
| 3508 | |
| 3509 | if (reg >= tlp_al981_phy_regmap_size) |
| 3510 | return; |
| 3511 | |
| 3512 | bus_space_write_4(sc->sc_st, sc->sc_sh, |
| 3513 | tlp_al981_phy_regmap[reg], val); |
| 3514 | } |
| 3515 | |
| 3516 | /***************************************************************************** |
| 3517 | * Chip-specific pre-init and reset functions. |
| 3518 | *****************************************************************************/ |
| 3519 | |
| 3520 | /* |
| 3521 | * tlp_2114x_preinit: |
| 3522 | * |
| 3523 | * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. |
| 3524 | */ |
| 3525 | static void |
| 3526 | tlp_2114x_preinit(struct tulip_softc *sc) |
| 3527 | { |
| 3528 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
| 3529 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
| 3530 | |
| 3531 | /* |
| 3532 | * Whether or not we're in MII or SIA/SYM mode, the media info |
| 3533 | * contains the appropriate OPMODE bits. |
| 3534 | * |
| 3535 | * Also, we always set the Must-Be-One bit. |
| 3536 | */ |
| 3537 | sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; |
| 3538 | |
| 3539 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3540 | } |
| 3541 | |
| 3542 | /* |
| 3543 | * tlp_2114x_mii_preinit: |
| 3544 | * |
| 3545 | * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. |
| 3546 | * This version is used by boards which only have MII and don't have |
| 3547 | * an ISV SROM. |
| 3548 | */ |
| 3549 | static void |
| 3550 | tlp_2114x_mii_preinit(struct tulip_softc *sc) |
| 3551 | { |
| 3552 | |
| 3553 | /* |
| 3554 | * Always set the Must-Be-One bit, and Port Select (to select MII). |
| 3555 | * We'll never be called during a media change. |
| 3556 | */ |
| 3557 | sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; |
| 3558 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3559 | } |
| 3560 | |
| 3561 | /* |
| 3562 | * tlp_pnic_preinit: |
| 3563 | * |
| 3564 | * Pre-init function for the Lite-On 82c168 and 82c169. |
| 3565 | */ |
| 3566 | static void |
| 3567 | tlp_pnic_preinit(struct tulip_softc *sc) |
| 3568 | { |
| 3569 | |
| 3570 | if (sc->sc_flags & TULIPF_HAS_MII) { |
| 3571 | /* |
| 3572 | * MII case: just set the port-select bit; we will never |
| 3573 | * be called during a media change. |
| 3574 | */ |
| 3575 | sc->sc_opmode |= OPMODE_PS; |
| 3576 | } else { |
| 3577 | /* |
| 3578 | * ENDEC/PCS/Nway mode; enable the Tx backoff counter. |
| 3579 | */ |
| 3580 | sc->sc_opmode |= OPMODE_PNIC_TBEN; |
| 3581 | } |
| 3582 | } |
| 3583 | |
| 3584 | /* |
| 3585 | * tlp_asix_preinit: |
| 3586 | * |
| 3587 | * Pre-init function for the ASIX chipsets. |
| 3588 | */ |
| 3589 | static void |
| 3590 | tlp_asix_preinit(struct tulip_softc *sc) |
| 3591 | { |
| 3592 | |
| 3593 | switch (sc->sc_chip) { |
| 3594 | case TULIP_CHIP_AX88140: |
| 3595 | case TULIP_CHIP_AX88141: |
| 3596 | /* XXX Handle PHY. */ |
| 3597 | sc->sc_opmode |= OPMODE_HBD|OPMODE_PS; |
| 3598 | break; |
| 3599 | default: |
| 3600 | /* Nothing */ |
| 3601 | break; |
| 3602 | } |
| 3603 | |
| 3604 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3605 | } |
| 3606 | |
| 3607 | /* |
| 3608 | * tlp_dm9102_preinit: |
| 3609 | * |
| 3610 | * Pre-init function for the Davicom DM9102. |
| 3611 | */ |
| 3612 | static void |
| 3613 | tlp_dm9102_preinit(struct tulip_softc *sc) |
| 3614 | { |
| 3615 | |
| 3616 | switch (sc->sc_chip) { |
| 3617 | case TULIP_CHIP_DM9102: |
| 3618 | sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS; |
| 3619 | break; |
| 3620 | |
| 3621 | case TULIP_CHIP_DM9102A: |
| 3622 | /* |
| 3623 | * XXX Figure out how to actually deal with the HomePNA |
| 3624 | * XXX portion of the DM9102A. |
| 3625 | */ |
| 3626 | sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD; |
| 3627 | break; |
| 3628 | |
| 3629 | default: |
| 3630 | /* Nothing. */ |
| 3631 | break; |
| 3632 | } |
| 3633 | |
| 3634 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 3635 | } |
| 3636 | |
| 3637 | /* |
| 3638 | * tlp_21140_reset: |
| 3639 | * |
| 3640 | * Issue a reset sequence on the 21140 via the GPIO facility. |
| 3641 | */ |
| 3642 | static void |
| 3643 | tlp_21140_reset(struct tulip_softc *sc) |
| 3644 | { |
| 3645 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
| 3646 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
| 3647 | int i; |
| 3648 | |
| 3649 | /* First, set the direction on the GPIO pins. */ |
| 3650 | TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); |
| 3651 | |
| 3652 | /* Now, issue the reset sequence. */ |
| 3653 | for (i = 0; i < tm->tm_reset_length; i++) { |
| 3654 | delay(10); |
| 3655 | TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); |
| 3656 | } |
| 3657 | |
| 3658 | /* Now, issue the selection sequence. */ |
| 3659 | for (i = 0; i < tm->tm_gp_length; i++) { |
| 3660 | delay(10); |
| 3661 | TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); |
| 3662 | } |
| 3663 | |
| 3664 | /* If there were no sequences, just lower the pins. */ |
| 3665 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
| 3666 | delay(10); |
| 3667 | TULIP_WRITE(sc, CSR_GPP, 0); |
| 3668 | } |
| 3669 | } |
| 3670 | |
| 3671 | /* |
| 3672 | * tlp_21142_reset: |
| 3673 | * |
| 3674 | * Issue a reset sequence on the 21142 via the GPIO facility. |
| 3675 | */ |
| 3676 | static void |
| 3677 | tlp_21142_reset(struct tulip_softc *sc) |
| 3678 | { |
| 3679 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
| 3680 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
| 3681 | const uint8_t *cp; |
| 3682 | int i; |
| 3683 | |
| 3684 | cp = &sc->sc_srom[tm->tm_reset_offset]; |
| 3685 | for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { |
| 3686 | delay(10); |
| 3687 | TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); |
| 3688 | } |
| 3689 | |
| 3690 | cp = &sc->sc_srom[tm->tm_gp_offset]; |
| 3691 | for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { |
| 3692 | delay(10); |
| 3693 | TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16); |
| 3694 | } |
| 3695 | |
| 3696 | /* If there were no sequences, just lower the pins. */ |
| 3697 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
| 3698 | delay(10); |
| 3699 | TULIP_WRITE(sc, CSR_SIAGEN, 0); |
| 3700 | } |
| 3701 | } |
| 3702 | |
| 3703 | /* |
| 3704 | * tlp_pmac_reset: |
| 3705 | * |
| 3706 | * Reset routine for Macronix chips. |
| 3707 | */ |
| 3708 | static void |
| 3709 | tlp_pmac_reset(struct tulip_softc *sc) |
| 3710 | { |
| 3711 | |
| 3712 | switch (sc->sc_chip) { |
| 3713 | case TULIP_CHIP_82C115: |
| 3714 | case TULIP_CHIP_MX98715: |
| 3715 | case TULIP_CHIP_MX98715A: |
| 3716 | case TULIP_CHIP_MX98725: |
| 3717 | /* |
| 3718 | * Set the LED operating mode. This information is located |
| 3719 | * in the EEPROM at byte offset 0x77, per the MX98715A and |
| 3720 | * MX98725 application notes. |
| 3721 | */ |
| 3722 | TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); |
| 3723 | break; |
| 3724 | case TULIP_CHIP_MX98715AEC_X: |
| 3725 | /* |
| 3726 | * Set the LED operating mode. This information is located |
| 3727 | * in the EEPROM at byte offset 0x76, per the MX98715AEC |
| 3728 | * application note. |
| 3729 | */ |
| 3730 | TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28) |
| 3731 | | ((0xf0 & sc->sc_srom[0x76]) << 20)); |
| 3732 | break; |
| 3733 | |
| 3734 | default: |
| 3735 | /* Nothing. */ |
| 3736 | break; |
| 3737 | } |
| 3738 | } |
| 3739 | |
| 3740 | #if 0 |
| 3741 | /* |
| 3742 | * tlp_dm9102_reset: |
| 3743 | * |
| 3744 | * Reset routine for the Davicom DM9102. |
| 3745 | */ |
| 3746 | static void |
| 3747 | tlp_dm9102_reset(struct tulip_softc *sc) |
| 3748 | { |
| 3749 | |
| 3750 | TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED); |
| 3751 | delay(100); |
| 3752 | TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0); |
| 3753 | } |
| 3754 | #endif |
| 3755 | |
| 3756 | /***************************************************************************** |
| 3757 | * Chip/board-specific media switches. The ones here are ones that |
| 3758 | * are potentially common to multiple front-ends. |
| 3759 | *****************************************************************************/ |
| 3760 | |
| 3761 | /* |
| 3762 | * This table is a common place for all sorts of media information, |
| 3763 | * keyed off of the SROM media code for that media. |
| 3764 | * |
| 3765 | * Note that we explicitly configure the 21142/21143 to always advertise |
| 3766 | * NWay capabilities when using the UTP port. |
| 3767 | * XXX Actually, we don't yet. |
| 3768 | */ |
| 3769 | static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { |
| 3770 | { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, |
| 3771 | "10baseT" , |
| 3772 | OPMODE_TTM, |
| 3773 | BMSR_10THDX, |
| 3774 | { SIACONN_21040_10BASET, |
| 3775 | SIATXRX_21040_10BASET, |
| 3776 | SIAGEN_21040_10BASET }, |
| 3777 | |
| 3778 | { SIACONN_21041_10BASET, |
| 3779 | SIATXRX_21041_10BASET, |
| 3780 | SIAGEN_21041_10BASET }, |
| 3781 | |
| 3782 | { SIACONN_21142_10BASET, |
| 3783 | SIATXRX_21142_10BASET, |
| 3784 | SIAGEN_21142_10BASET } }, |
| 3785 | |
| 3786 | { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, |
| 3787 | "10base2" , |
| 3788 | 0, |
| 3789 | 0, |
| 3790 | { 0, |
| 3791 | 0, |
| 3792 | 0 }, |
| 3793 | |
| 3794 | { SIACONN_21041_BNC, |
| 3795 | SIATXRX_21041_BNC, |
| 3796 | SIAGEN_21041_BNC }, |
| 3797 | |
| 3798 | { SIACONN_21142_BNC, |
| 3799 | SIATXRX_21142_BNC, |
| 3800 | SIAGEN_21142_BNC } }, |
| 3801 | |
| 3802 | { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, |
| 3803 | "10base5" , |
| 3804 | 0, |
| 3805 | 0, |
| 3806 | { SIACONN_21040_AUI, |
| 3807 | SIATXRX_21040_AUI, |
| 3808 | SIAGEN_21040_AUI }, |
| 3809 | |
| 3810 | { SIACONN_21041_AUI, |
| 3811 | SIATXRX_21041_AUI, |
| 3812 | SIAGEN_21041_AUI }, |
| 3813 | |
| 3814 | { SIACONN_21142_AUI, |
| 3815 | SIATXRX_21142_AUI, |
| 3816 | SIAGEN_21142_AUI } }, |
| 3817 | |
| 3818 | { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, |
| 3819 | "100baseTX" , |
| 3820 | OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, |
| 3821 | BMSR_100TXHDX, |
| 3822 | { 0, |
| 3823 | 0, |
| 3824 | 0 }, |
| 3825 | |
| 3826 | { 0, |
| 3827 | 0, |
| 3828 | 0 }, |
| 3829 | |
| 3830 | { 0, |
| 3831 | 0, |
| 3832 | SIAGEN_ABM } }, |
| 3833 | |
| 3834 | { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, |
| 3835 | "10baseT-FDX" , |
| 3836 | OPMODE_TTM|OPMODE_FD|OPMODE_HBD, |
| 3837 | BMSR_10TFDX, |
| 3838 | { SIACONN_21040_10BASET_FDX, |
| 3839 | SIATXRX_21040_10BASET_FDX, |
| 3840 | SIAGEN_21040_10BASET_FDX }, |
| 3841 | |
| 3842 | { SIACONN_21041_10BASET_FDX, |
| 3843 | SIATXRX_21041_10BASET_FDX, |
| 3844 | SIAGEN_21041_10BASET_FDX }, |
| 3845 | |
| 3846 | { SIACONN_21142_10BASET_FDX, |
| 3847 | SIATXRX_21142_10BASET_FDX, |
| 3848 | SIAGEN_21142_10BASET_FDX } }, |
| 3849 | |
| 3850 | { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, |
| 3851 | "100baseTX-FDX" , |
| 3852 | OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, |
| 3853 | BMSR_100TXFDX, |
| 3854 | { 0, |
| 3855 | 0, |
| 3856 | 0 }, |
| 3857 | |
| 3858 | { 0, |
| 3859 | 0, |
| 3860 | 0 }, |
| 3861 | |
| 3862 | { 0, |
| 3863 | 0, |
| 3864 | SIAGEN_ABM } }, |
| 3865 | |
| 3866 | { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, |
| 3867 | "100baseT4" , |
| 3868 | OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, |
| 3869 | BMSR_100T4, |
| 3870 | { 0, |
| 3871 | 0, |
| 3872 | 0 }, |
| 3873 | |
| 3874 | { 0, |
| 3875 | 0, |
| 3876 | 0 }, |
| 3877 | |
| 3878 | { 0, |
| 3879 | 0, |
| 3880 | SIAGEN_ABM } }, |
| 3881 | |
| 3882 | { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, |
| 3883 | "100baseFX" , |
| 3884 | OPMODE_PS|OPMODE_PCS|OPMODE_HBD, |
| 3885 | 0, |
| 3886 | { 0, |
| 3887 | 0, |
| 3888 | 0 }, |
| 3889 | |
| 3890 | { 0, |
| 3891 | 0, |
| 3892 | 0 }, |
| 3893 | |
| 3894 | { 0, |
| 3895 | 0, |
| 3896 | SIAGEN_ABM } }, |
| 3897 | |
| 3898 | { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, |
| 3899 | "100baseFX-FDX" , |
| 3900 | OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, |
| 3901 | 0, |
| 3902 | { 0, |
| 3903 | 0, |
| 3904 | 0 }, |
| 3905 | |
| 3906 | { 0, |
| 3907 | 0, |
| 3908 | 0 }, |
| 3909 | |
| 3910 | { 0, |
| 3911 | 0, |
| 3912 | SIAGEN_ABM } }, |
| 3913 | |
| 3914 | { 0, 0, 0, |
| 3915 | NULL, |
| 3916 | 0, |
| 3917 | 0, |
| 3918 | { 0, |
| 3919 | 0, |
| 3920 | 0 }, |
| 3921 | |
| 3922 | { 0, |
| 3923 | 0, |
| 3924 | 0 }, |
| 3925 | |
| 3926 | { 0, |
| 3927 | 0, |
| 3928 | 0 } }, |
| 3929 | }; |
| 3930 | |
| 3931 | static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(uint8_t); |
| 3932 | static void tlp_srom_media_info(struct tulip_softc *, |
| 3933 | const struct tulip_srom_to_ifmedia *, |
| 3934 | struct tulip_21x4x_media *); |
| 3935 | static void tlp_add_srom_media(struct tulip_softc *, int, |
| 3936 | void (*)(struct tulip_softc *, struct ifmediareq *), |
| 3937 | int (*)(struct tulip_softc *), const uint8_t *, int); |
| 3938 | static void tlp_print_media(struct tulip_softc *); |
| 3939 | static void tlp_nway_activate(struct tulip_softc *, int); |
| 3940 | static void tlp_get_minst(struct tulip_softc *); |
| 3941 | |
| 3942 | static const struct tulip_srom_to_ifmedia * |
| 3943 | tlp_srom_to_ifmedia(uint8_t sm) |
| 3944 | { |
| 3945 | const struct tulip_srom_to_ifmedia *tsti; |
| 3946 | |
| 3947 | for (tsti = tulip_srom_to_ifmedia_table; |
| 3948 | tsti->tsti_name != NULL; tsti++) { |
| 3949 | if (tsti->tsti_srom == sm) |
| 3950 | return (tsti); |
| 3951 | } |
| 3952 | |
| 3953 | return (NULL); |
| 3954 | } |
| 3955 | |
| 3956 | static void |
| 3957 | tlp_srom_media_info(struct tulip_softc *sc, |
| 3958 | const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm) |
| 3959 | { |
| 3960 | |
| 3961 | tm->tm_name = tsti->tsti_name; |
| 3962 | tm->tm_opmode = tsti->tsti_opmode; |
| 3963 | |
| 3964 | sc->sc_sia_cap |= tsti->tsti_sia_cap; |
| 3965 | |
| 3966 | switch (sc->sc_chip) { |
| 3967 | case TULIP_CHIP_DE425: |
| 3968 | case TULIP_CHIP_21040: |
| 3969 | tm->tm_sia = tsti->tsti_21040; /* struct assignment */ |
| 3970 | break; |
| 3971 | |
| 3972 | case TULIP_CHIP_21041: |
| 3973 | tm->tm_sia = tsti->tsti_21041; /* struct assignment */ |
| 3974 | break; |
| 3975 | |
| 3976 | case TULIP_CHIP_21142: |
| 3977 | case TULIP_CHIP_21143: |
| 3978 | case TULIP_CHIP_82C115: |
| 3979 | case TULIP_CHIP_MX98715: |
| 3980 | case TULIP_CHIP_MX98715A: |
| 3981 | case TULIP_CHIP_MX98715AEC_X: |
| 3982 | case TULIP_CHIP_MX98725: |
| 3983 | tm->tm_sia = tsti->tsti_21142; /* struct assignment */ |
| 3984 | break; |
| 3985 | |
| 3986 | default: |
| 3987 | /* Nothing. */ |
| 3988 | break; |
| 3989 | } |
| 3990 | } |
| 3991 | |
| 3992 | static void |
| 3993 | tlp_add_srom_media(struct tulip_softc *sc, int type, |
| 3994 | void (*get)(struct tulip_softc *, struct ifmediareq *), |
| 3995 | int (*set)(struct tulip_softc *), const uint8_t *list, |
| 3996 | int cnt) |
| 3997 | { |
| 3998 | struct tulip_21x4x_media *tm; |
| 3999 | const struct tulip_srom_to_ifmedia *tsti; |
| 4000 | int i; |
| 4001 | |
| 4002 | for (i = 0; i < cnt; i++) { |
| 4003 | tsti = tlp_srom_to_ifmedia(list[i]); |
| 4004 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 4005 | tlp_srom_media_info(sc, tsti, tm); |
| 4006 | tm->tm_type = type; |
| 4007 | tm->tm_get = get; |
| 4008 | tm->tm_set = set; |
| 4009 | |
| 4010 | ifmedia_add(&sc->sc_mii.mii_media, |
| 4011 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
| 4012 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
| 4013 | } |
| 4014 | } |
| 4015 | |
| 4016 | static void |
| 4017 | tlp_print_media(struct tulip_softc *sc) |
| 4018 | { |
| 4019 | struct ifmedia_entry *ife; |
| 4020 | struct tulip_21x4x_media *tm; |
| 4021 | const char *sep = "" ; |
| 4022 | |
| 4023 | #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " |
| 4024 | |
| 4025 | aprint_normal_dev(sc->sc_dev, "" ); |
| 4026 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { |
| 4027 | tm = ife->ifm_aux; |
| 4028 | if (tm == NULL) { |
| 4029 | #ifdef DIAGNOSTIC |
| 4030 | if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) |
| 4031 | panic("tlp_print_media" ); |
| 4032 | #endif |
| 4033 | PRINT("auto" ); |
| 4034 | } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && |
| 4035 | tm->tm_type != TULIP_ROM_MB_21142_MII) { |
| 4036 | PRINT(tm->tm_name); |
| 4037 | } |
| 4038 | } |
| 4039 | aprint_normal("\n" ); |
| 4040 | |
| 4041 | #undef PRINT |
| 4042 | } |
| 4043 | |
| 4044 | static void |
| 4045 | tlp_nway_activate(struct tulip_softc *sc, int media) |
| 4046 | { |
| 4047 | struct ifmedia_entry *ife; |
| 4048 | |
| 4049 | ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); |
| 4050 | #ifdef DIAGNOSTIC |
| 4051 | if (ife == NULL) |
| 4052 | panic("tlp_nway_activate" ); |
| 4053 | #endif |
| 4054 | sc->sc_nway_active = ife; |
| 4055 | } |
| 4056 | |
| 4057 | static void |
| 4058 | tlp_get_minst(struct tulip_softc *sc) |
| 4059 | { |
| 4060 | |
| 4061 | if ((sc->sc_media_seen & |
| 4062 | ~((1 << TULIP_ROM_MB_21140_MII) | |
| 4063 | (1 << TULIP_ROM_MB_21142_MII))) == 0) { |
| 4064 | /* |
| 4065 | * We have not yet seen any SIA/SYM media (but are |
| 4066 | * about to; that's why we're called!), so assign |
| 4067 | * the current media instance to be the `internal media' |
| 4068 | * instance, and advance it so any MII media gets a |
| 4069 | * fresh one (used to selecting/isolating a PHY). |
| 4070 | */ |
| 4071 | sc->sc_tlp_minst = sc->sc_mii.mii_instance++; |
| 4072 | } |
| 4073 | } |
| 4074 | |
| 4075 | /* |
| 4076 | * SIA Utility functions. |
| 4077 | */ |
| 4078 | static void tlp_sia_update_link(struct tulip_softc *); |
| 4079 | static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *); |
| 4080 | static int tlp_sia_set(struct tulip_softc *); |
| 4081 | static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *); |
| 4082 | static void tlp_sia_fixup(struct tulip_softc *); |
| 4083 | |
| 4084 | static void |
| 4085 | tlp_sia_update_link(struct tulip_softc *sc) |
| 4086 | { |
| 4087 | struct ifmedia_entry *ife; |
| 4088 | struct tulip_21x4x_media *tm; |
| 4089 | uint32_t siastat; |
| 4090 | |
| 4091 | ife = TULIP_CURRENT_MEDIA(sc); |
| 4092 | tm = ife->ifm_aux; |
| 4093 | |
| 4094 | sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); |
| 4095 | |
| 4096 | siastat = TULIP_READ(sc, CSR_SIASTAT); |
| 4097 | |
| 4098 | /* |
| 4099 | * Note that when we do SIA link tests, we are assuming that |
| 4100 | * the chip is really in the mode that the current media setting |
| 4101 | * reflects. If we're not, then the link tests will not be |
| 4102 | * accurate! |
| 4103 | */ |
| 4104 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
| 4105 | case IFM_10_T: |
| 4106 | sc->sc_flags |= TULIPF_LINK_VALID; |
| 4107 | if ((siastat & SIASTAT_LS10) == 0) |
| 4108 | sc->sc_flags |= TULIPF_LINK_UP; |
| 4109 | break; |
| 4110 | |
| 4111 | case IFM_100_TX: |
| 4112 | case IFM_100_T4: |
| 4113 | sc->sc_flags |= TULIPF_LINK_VALID; |
| 4114 | if ((siastat & SIASTAT_LS100) == 0) |
| 4115 | sc->sc_flags |= TULIPF_LINK_UP; |
| 4116 | break; |
| 4117 | } |
| 4118 | |
| 4119 | switch (sc->sc_chip) { |
| 4120 | case TULIP_CHIP_21142: |
| 4121 | case TULIP_CHIP_21143: |
| 4122 | /* |
| 4123 | * On these chips, we can tell more information about |
| 4124 | * AUI/BNC. Note that the AUI/BNC selection is made |
| 4125 | * in a different register; for our purpose, it's all |
| 4126 | * AUI. |
| 4127 | */ |
| 4128 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
| 4129 | case IFM_10_2: |
| 4130 | case IFM_10_5: |
| 4131 | sc->sc_flags |= TULIPF_LINK_VALID; |
| 4132 | if (siastat & SIASTAT_ARA) { |
| 4133 | TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); |
| 4134 | sc->sc_flags |= TULIPF_LINK_UP; |
| 4135 | } |
| 4136 | break; |
| 4137 | |
| 4138 | default: |
| 4139 | /* |
| 4140 | * If we're SYM media and can detect the link |
| 4141 | * via the GPIO facility, prefer that status |
| 4142 | * over LS100. |
| 4143 | */ |
| 4144 | if (tm->tm_type == TULIP_ROM_MB_21143_SYM && |
| 4145 | tm->tm_actmask != 0) { |
| 4146 | sc->sc_flags = (sc->sc_flags & |
| 4147 | ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; |
| 4148 | if (TULIP_ISSET(sc, CSR_SIAGEN, |
| 4149 | tm->tm_actmask) == tm->tm_actdata) |
| 4150 | sc->sc_flags |= TULIPF_LINK_UP; |
| 4151 | } |
| 4152 | } |
| 4153 | break; |
| 4154 | |
| 4155 | default: |
| 4156 | /* Nothing. */ |
| 4157 | break; |
| 4158 | } |
| 4159 | } |
| 4160 | |
| 4161 | static void |
| 4162 | tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 4163 | { |
| 4164 | struct ifmedia_entry *ife; |
| 4165 | |
| 4166 | ifmr->ifm_status = 0; |
| 4167 | |
| 4168 | tlp_sia_update_link(sc); |
| 4169 | |
| 4170 | ife = TULIP_CURRENT_MEDIA(sc); |
| 4171 | |
| 4172 | if (sc->sc_flags & TULIPF_LINK_VALID) |
| 4173 | ifmr->ifm_status |= IFM_AVALID; |
| 4174 | if (sc->sc_flags & TULIPF_LINK_UP) |
| 4175 | ifmr->ifm_status |= IFM_ACTIVE; |
| 4176 | ifmr->ifm_active = ife->ifm_media; |
| 4177 | } |
| 4178 | |
| 4179 | static void |
| 4180 | tlp_sia_fixup(struct tulip_softc *sc) |
| 4181 | { |
| 4182 | struct ifmedia_entry *ife; |
| 4183 | struct tulip_21x4x_media *tm; |
| 4184 | uint32_t siaconn, siatxrx, siagen; |
| 4185 | |
| 4186 | switch (sc->sc_chip) { |
| 4187 | case TULIP_CHIP_82C115: |
| 4188 | case TULIP_CHIP_MX98713A: |
| 4189 | case TULIP_CHIP_MX98715: |
| 4190 | case TULIP_CHIP_MX98715A: |
| 4191 | case TULIP_CHIP_MX98715AEC_X: |
| 4192 | case TULIP_CHIP_MX98725: |
| 4193 | siaconn = PMAC_SIACONN_MASK; |
| 4194 | siatxrx = PMAC_SIATXRX_MASK; |
| 4195 | siagen = PMAC_SIAGEN_MASK; |
| 4196 | break; |
| 4197 | |
| 4198 | default: |
| 4199 | /* No fixups required on any other chips. */ |
| 4200 | return; |
| 4201 | } |
| 4202 | |
| 4203 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, ifm_list) { |
| 4204 | tm = ife->ifm_aux; |
| 4205 | if (tm == NULL) |
| 4206 | continue; |
| 4207 | |
| 4208 | tm->tm_siaconn &= siaconn; |
| 4209 | tm->tm_siatxrx &= siatxrx; |
| 4210 | tm->tm_siagen &= siagen; |
| 4211 | } |
| 4212 | } |
| 4213 | |
| 4214 | static int |
| 4215 | tlp_sia_set(struct tulip_softc *sc) |
| 4216 | { |
| 4217 | |
| 4218 | return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc))); |
| 4219 | } |
| 4220 | |
| 4221 | static int |
| 4222 | tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife) |
| 4223 | { |
| 4224 | struct tulip_21x4x_media *tm; |
| 4225 | |
| 4226 | tm = ife->ifm_aux; |
| 4227 | |
| 4228 | /* |
| 4229 | * XXX This appears to be necessary on a bunch of the clone chips. |
| 4230 | */ |
| 4231 | delay(20000); |
| 4232 | |
| 4233 | /* |
| 4234 | * Idle the chip. |
| 4235 | */ |
| 4236 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
| 4237 | |
| 4238 | /* |
| 4239 | * Program the SIA. It's important to write in this order, |
| 4240 | * resetting the SIA first. |
| 4241 | */ |
| 4242 | TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ |
| 4243 | delay(1000); |
| 4244 | |
| 4245 | TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); |
| 4246 | |
| 4247 | switch (sc->sc_chip) { |
| 4248 | case TULIP_CHIP_21142: |
| 4249 | case TULIP_CHIP_21143: |
| 4250 | TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); |
| 4251 | TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); |
| 4252 | break; |
| 4253 | default: |
| 4254 | TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); |
| 4255 | } |
| 4256 | |
| 4257 | TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); |
| 4258 | |
| 4259 | /* |
| 4260 | * Set the OPMODE bits for this media and write OPMODE. |
| 4261 | * This will resume the transmit and receive processes. |
| 4262 | */ |
| 4263 | sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; |
| 4264 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 4265 | |
| 4266 | return (0); |
| 4267 | } |
| 4268 | |
| 4269 | /* |
| 4270 | * 21140 GPIO utility functions. |
| 4271 | */ |
| 4272 | static void tlp_21140_gpio_update_link(struct tulip_softc *); |
| 4273 | |
| 4274 | static void |
| 4275 | tlp_21140_gpio_update_link(struct tulip_softc *sc) |
| 4276 | { |
| 4277 | struct ifmedia_entry *ife; |
| 4278 | struct tulip_21x4x_media *tm; |
| 4279 | |
| 4280 | ife = TULIP_CURRENT_MEDIA(sc); |
| 4281 | tm = ife->ifm_aux; |
| 4282 | |
| 4283 | sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); |
| 4284 | |
| 4285 | if (tm->tm_actmask != 0) { |
| 4286 | sc->sc_flags |= TULIPF_LINK_VALID; |
| 4287 | if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == |
| 4288 | tm->tm_actdata) |
| 4289 | sc->sc_flags |= TULIPF_LINK_UP; |
| 4290 | } |
| 4291 | } |
| 4292 | |
| 4293 | void |
| 4294 | tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 4295 | { |
| 4296 | struct ifmedia_entry *ife; |
| 4297 | |
| 4298 | ifmr->ifm_status = 0; |
| 4299 | |
| 4300 | tlp_21140_gpio_update_link(sc); |
| 4301 | |
| 4302 | ife = TULIP_CURRENT_MEDIA(sc); |
| 4303 | |
| 4304 | if (sc->sc_flags & TULIPF_LINK_VALID) |
| 4305 | ifmr->ifm_status |= IFM_AVALID; |
| 4306 | if (sc->sc_flags & TULIPF_LINK_UP) |
| 4307 | ifmr->ifm_status |= IFM_ACTIVE; |
| 4308 | ifmr->ifm_active = ife->ifm_media; |
| 4309 | } |
| 4310 | |
| 4311 | int |
| 4312 | tlp_21140_gpio_set(struct tulip_softc *sc) |
| 4313 | { |
| 4314 | struct ifmedia_entry *ife; |
| 4315 | struct tulip_21x4x_media *tm; |
| 4316 | |
| 4317 | ife = TULIP_CURRENT_MEDIA(sc); |
| 4318 | tm = ife->ifm_aux; |
| 4319 | |
| 4320 | /* |
| 4321 | * Idle the chip. |
| 4322 | */ |
| 4323 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
| 4324 | |
| 4325 | /* |
| 4326 | * Set the GPIO pins for this media, to flip any |
| 4327 | * relays, etc. |
| 4328 | */ |
| 4329 | TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); |
| 4330 | delay(10); |
| 4331 | TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); |
| 4332 | |
| 4333 | /* |
| 4334 | * Set the OPMODE bits for this media and write OPMODE. |
| 4335 | * This will resume the transmit and receive processes. |
| 4336 | */ |
| 4337 | sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; |
| 4338 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 4339 | |
| 4340 | return (0); |
| 4341 | } |
| 4342 | |
| 4343 | /* |
| 4344 | * 21040 and 21041 media switches. |
| 4345 | */ |
| 4346 | static void tlp_21040_tmsw_init(struct tulip_softc *); |
| 4347 | static void tlp_21040_tp_tmsw_init(struct tulip_softc *); |
| 4348 | static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *); |
| 4349 | static void tlp_21041_tmsw_init(struct tulip_softc *); |
| 4350 | |
| 4351 | const struct tulip_mediasw tlp_21040_mediasw = { |
| 4352 | tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set |
| 4353 | }; |
| 4354 | |
| 4355 | const struct tulip_mediasw tlp_21040_tp_mediasw = { |
| 4356 | tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set |
| 4357 | }; |
| 4358 | |
| 4359 | const struct tulip_mediasw tlp_21040_auibnc_mediasw = { |
| 4360 | tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set |
| 4361 | }; |
| 4362 | |
| 4363 | const struct tulip_mediasw tlp_21041_mediasw = { |
| 4364 | tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set |
| 4365 | }; |
| 4366 | |
| 4367 | static void |
| 4368 | tlp_21040_tmsw_init(struct tulip_softc *sc) |
| 4369 | { |
| 4370 | static const uint8_t media[] = { |
| 4371 | TULIP_ROM_MB_MEDIA_TP, |
| 4372 | TULIP_ROM_MB_MEDIA_TP_FDX, |
| 4373 | TULIP_ROM_MB_MEDIA_AUI, |
| 4374 | }; |
| 4375 | struct tulip_21x4x_media *tm; |
| 4376 | |
| 4377 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 4378 | tlp_mediastatus); |
| 4379 | |
| 4380 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); |
| 4381 | |
| 4382 | /* |
| 4383 | * No SROM type for External SIA. |
| 4384 | */ |
| 4385 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 4386 | tm->tm_name = "manual" ; |
| 4387 | tm->tm_opmode = 0; |
| 4388 | tm->tm_siaconn = SIACONN_21040_EXTSIA; |
| 4389 | tm->tm_siatxrx = SIATXRX_21040_EXTSIA; |
| 4390 | tm->tm_siagen = SIAGEN_21040_EXTSIA; |
| 4391 | ifmedia_add(&sc->sc_mii.mii_media, |
| 4392 | IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); |
| 4393 | |
| 4394 | /* |
| 4395 | * XXX Autosense not yet supported. |
| 4396 | */ |
| 4397 | |
| 4398 | /* XXX This should be auto-sense. */ |
| 4399 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
| 4400 | |
| 4401 | tlp_print_media(sc); |
| 4402 | } |
| 4403 | |
| 4404 | static void |
| 4405 | tlp_21040_tp_tmsw_init(struct tulip_softc *sc) |
| 4406 | { |
| 4407 | static const uint8_t media[] = { |
| 4408 | TULIP_ROM_MB_MEDIA_TP, |
| 4409 | TULIP_ROM_MB_MEDIA_TP_FDX, |
| 4410 | }; |
| 4411 | |
| 4412 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 4413 | tlp_mediastatus); |
| 4414 | |
| 4415 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); |
| 4416 | |
| 4417 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
| 4418 | |
| 4419 | tlp_print_media(sc); |
| 4420 | } |
| 4421 | |
| 4422 | static void |
| 4423 | tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc) |
| 4424 | { |
| 4425 | static const uint8_t media[] = { |
| 4426 | TULIP_ROM_MB_MEDIA_AUI, |
| 4427 | }; |
| 4428 | |
| 4429 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 4430 | tlp_mediastatus); |
| 4431 | |
| 4432 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); |
| 4433 | |
| 4434 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); |
| 4435 | |
| 4436 | tlp_print_media(sc); |
| 4437 | } |
| 4438 | |
| 4439 | static void |
| 4440 | tlp_21041_tmsw_init(struct tulip_softc *sc) |
| 4441 | { |
| 4442 | static const uint8_t media[] = { |
| 4443 | TULIP_ROM_MB_MEDIA_TP, |
| 4444 | TULIP_ROM_MB_MEDIA_TP_FDX, |
| 4445 | TULIP_ROM_MB_MEDIA_BNC, |
| 4446 | TULIP_ROM_MB_MEDIA_AUI, |
| 4447 | }; |
| 4448 | int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; |
| 4449 | const struct tulip_srom_to_ifmedia *tsti; |
| 4450 | struct tulip_21x4x_media *tm; |
| 4451 | uint16_t romdef; |
| 4452 | uint8_t mb; |
| 4453 | |
| 4454 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 4455 | tlp_mediastatus); |
| 4456 | |
| 4457 | if (tlp_isv_srom(sc->sc_srom) == 0) { |
| 4458 | not_isv_srom: |
| 4459 | /* |
| 4460 | * If we have a board without the standard 21041 SROM format, |
| 4461 | * we just assume all media are present and try and pick a |
| 4462 | * reasonable default. |
| 4463 | */ |
| 4464 | tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); |
| 4465 | |
| 4466 | /* |
| 4467 | * XXX Autosense not yet supported. |
| 4468 | */ |
| 4469 | |
| 4470 | /* XXX This should be auto-sense. */ |
| 4471 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
| 4472 | |
| 4473 | tlp_print_media(sc); |
| 4474 | return; |
| 4475 | } |
| 4476 | |
| 4477 | devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; |
| 4478 | for (i = 0; i < devcnt; i++) { |
| 4479 | if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) |
| 4480 | break; |
| 4481 | if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == |
| 4482 | sc->sc_devno) |
| 4483 | break; |
| 4484 | } |
| 4485 | |
| 4486 | if (i == devcnt) |
| 4487 | goto not_isv_srom; |
| 4488 | |
| 4489 | leaf_offset = TULIP_ROM_GETW(sc->sc_srom, |
| 4490 | TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); |
| 4491 | mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; |
| 4492 | m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; |
| 4493 | |
| 4494 | for (; m_cnt != 0; |
| 4495 | m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { |
| 4496 | mb = sc->sc_srom[mb_offset]; |
| 4497 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 4498 | switch (mb & TULIP_ROM_MB_MEDIA_CODE) { |
| 4499 | case TULIP_ROM_MB_MEDIA_TP_FDX: |
| 4500 | case TULIP_ROM_MB_MEDIA_TP: |
| 4501 | case TULIP_ROM_MB_MEDIA_BNC: |
| 4502 | case TULIP_ROM_MB_MEDIA_AUI: |
| 4503 | tsti = tlp_srom_to_ifmedia(mb & |
| 4504 | TULIP_ROM_MB_MEDIA_CODE); |
| 4505 | |
| 4506 | tlp_srom_media_info(sc, tsti, tm); |
| 4507 | |
| 4508 | /* |
| 4509 | * Override our default SIA settings if the |
| 4510 | * SROM contains its own. |
| 4511 | */ |
| 4512 | if (mb & TULIP_ROM_MB_EXT) { |
| 4513 | tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, |
| 4514 | mb_offset + TULIP_ROM_MB_CSR13); |
| 4515 | tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, |
| 4516 | mb_offset + TULIP_ROM_MB_CSR14); |
| 4517 | tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, |
| 4518 | mb_offset + TULIP_ROM_MB_CSR15); |
| 4519 | } |
| 4520 | |
| 4521 | ifmedia_add(&sc->sc_mii.mii_media, |
| 4522 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
| 4523 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
| 4524 | break; |
| 4525 | |
| 4526 | default: |
| 4527 | aprint_error_dev(sc->sc_dev, |
| 4528 | "unknown media code 0x%02x\n" , |
| 4529 | mb & TULIP_ROM_MB_MEDIA_CODE); |
| 4530 | free(tm, M_DEVBUF); |
| 4531 | } |
| 4532 | } |
| 4533 | |
| 4534 | /* |
| 4535 | * XXX Autosense not yet supported. |
| 4536 | */ |
| 4537 | |
| 4538 | romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + |
| 4539 | TULIP_ROM_IL_SELECT_CONN_TYPE); |
| 4540 | switch (romdef) { |
| 4541 | case SELECT_CONN_TYPE_TP: |
| 4542 | case SELECT_CONN_TYPE_TP_AUTONEG: |
| 4543 | case SELECT_CONN_TYPE_TP_NOLINKPASS: |
| 4544 | defmedia = IFM_ETHER|IFM_10_T; |
| 4545 | break; |
| 4546 | |
| 4547 | case SELECT_CONN_TYPE_TP_FDX: |
| 4548 | defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; |
| 4549 | break; |
| 4550 | |
| 4551 | case SELECT_CONN_TYPE_BNC: |
| 4552 | defmedia = IFM_ETHER|IFM_10_2; |
| 4553 | break; |
| 4554 | |
| 4555 | case SELECT_CONN_TYPE_AUI: |
| 4556 | defmedia = IFM_ETHER|IFM_10_5; |
| 4557 | break; |
| 4558 | #if 0 /* XXX */ |
| 4559 | case SELECT_CONN_TYPE_ASENSE: |
| 4560 | case SELECT_CONN_TYPE_ASENSE_AUTONEG: |
| 4561 | defmedia = IFM_ETHER|IFM_AUTO; |
| 4562 | break; |
| 4563 | #endif |
| 4564 | default: |
| 4565 | defmedia = 0; |
| 4566 | } |
| 4567 | |
| 4568 | if (defmedia == 0) { |
| 4569 | /* |
| 4570 | * XXX We should default to auto-sense. |
| 4571 | */ |
| 4572 | defmedia = IFM_ETHER|IFM_10_T; |
| 4573 | } |
| 4574 | |
| 4575 | ifmedia_set(&sc->sc_mii.mii_media, defmedia); |
| 4576 | |
| 4577 | tlp_print_media(sc); |
| 4578 | } |
| 4579 | |
| 4580 | /* |
| 4581 | * DECchip 2114x ISV media switch. |
| 4582 | */ |
| 4583 | static void tlp_2114x_isv_tmsw_init(struct tulip_softc *); |
| 4584 | static void tlp_2114x_isv_tmsw_get(struct tulip_softc *, |
| 4585 | struct ifmediareq *); |
| 4586 | static int tlp_2114x_isv_tmsw_set(struct tulip_softc *); |
| 4587 | |
| 4588 | const struct tulip_mediasw tlp_2114x_isv_mediasw = { |
| 4589 | tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set |
| 4590 | }; |
| 4591 | |
| 4592 | static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *); |
| 4593 | static int tlp_2114x_nway_set(struct tulip_softc *); |
| 4594 | |
| 4595 | static void tlp_2114x_nway_statchg(struct ifnet *); |
| 4596 | static int tlp_2114x_nway_service(struct tulip_softc *, int); |
| 4597 | static void tlp_2114x_nway_auto(struct tulip_softc *); |
| 4598 | static void tlp_2114x_nway_status(struct tulip_softc *); |
| 4599 | |
| 4600 | static void |
| 4601 | tlp_2114x_isv_tmsw_init(struct tulip_softc *sc) |
| 4602 | { |
| 4603 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 4604 | struct ifmedia_entry *ife; |
| 4605 | struct mii_softc *phy; |
| 4606 | struct tulip_21x4x_media *tm; |
| 4607 | const struct tulip_srom_to_ifmedia *tsti; |
| 4608 | int i, devcnt, leaf_offset, m_cnt, type, length; |
| 4609 | int defmedia, miidef; |
| 4610 | uint16_t word; |
| 4611 | uint8_t *cp, *ncp; |
| 4612 | |
| 4613 | defmedia = miidef = 0; |
| 4614 | |
| 4615 | sc->sc_mii.mii_ifp = ifp; |
| 4616 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
| 4617 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
| 4618 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 4619 | |
| 4620 | /* |
| 4621 | * Ignore `instance'; we may get a mixture of SIA and MII |
| 4622 | * media, and `instance' is used to isolate or select the |
| 4623 | * PHY on the MII as appropriate. Note that duplicate media |
| 4624 | * are disallowed, so ignoring `instance' is safe. |
| 4625 | */ |
| 4626 | ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, |
| 4627 | tlp_mediastatus); |
| 4628 | |
| 4629 | devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; |
| 4630 | for (i = 0; i < devcnt; i++) { |
| 4631 | if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) |
| 4632 | break; |
| 4633 | if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == |
| 4634 | sc->sc_devno) |
| 4635 | break; |
| 4636 | } |
| 4637 | |
| 4638 | if (i == devcnt) { |
| 4639 | aprint_error_dev(sc->sc_dev, |
| 4640 | "unable to locate info leaf in SROM\n" ); |
| 4641 | return; |
| 4642 | } |
| 4643 | |
| 4644 | leaf_offset = TULIP_ROM_GETW(sc->sc_srom, |
| 4645 | TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); |
| 4646 | |
| 4647 | /* XXX SELECT CONN TYPE */ |
| 4648 | |
| 4649 | cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; |
| 4650 | |
| 4651 | /* |
| 4652 | * On some chips, the first thing in the Info Leaf is the |
| 4653 | * GPIO pin direction data. |
| 4654 | */ |
| 4655 | switch (sc->sc_chip) { |
| 4656 | case TULIP_CHIP_21140: |
| 4657 | case TULIP_CHIP_21140A: |
| 4658 | case TULIP_CHIP_MX98713: |
| 4659 | case TULIP_CHIP_AX88140: |
| 4660 | case TULIP_CHIP_AX88141: |
| 4661 | sc->sc_gp_dir = *cp++; |
| 4662 | break; |
| 4663 | |
| 4664 | default: |
| 4665 | /* Nothing. */ |
| 4666 | break; |
| 4667 | } |
| 4668 | |
| 4669 | /* Get the media count. */ |
| 4670 | m_cnt = *cp++; |
| 4671 | |
| 4672 | if (m_cnt == 0) { |
| 4673 | sc->sc_mediasw = &tlp_sio_mii_mediasw; |
| 4674 | (*sc->sc_mediasw->tmsw_init)(sc); |
| 4675 | return; |
| 4676 | } |
| 4677 | |
| 4678 | for (; m_cnt != 0; cp = ncp, m_cnt--) { |
| 4679 | /* |
| 4680 | * Determine the type and length of this media block. |
| 4681 | * The 21143 is spec'd to always use extended format blocks, |
| 4682 | * but some cards don't set the bit to indicate this. |
| 4683 | * Hopefully there are no cards which really don't use |
| 4684 | * extended format blocks. |
| 4685 | */ |
| 4686 | if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) { |
| 4687 | length = 4; |
| 4688 | type = TULIP_ROM_MB_21140_GPR; |
| 4689 | } else { |
| 4690 | length = (*cp++ & 0x7f) - 1; |
| 4691 | type = *cp++ & 0x3f; |
| 4692 | } |
| 4693 | |
| 4694 | /* Compute the start of the next block. */ |
| 4695 | ncp = cp + length; |
| 4696 | |
| 4697 | /* Now, parse the block. */ |
| 4698 | switch (type) { |
| 4699 | case TULIP_ROM_MB_21140_GPR: |
| 4700 | tlp_get_minst(sc); |
| 4701 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; |
| 4702 | |
| 4703 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 4704 | |
| 4705 | tm->tm_type = TULIP_ROM_MB_21140_GPR; |
| 4706 | tm->tm_get = tlp_21140_gpio_get; |
| 4707 | tm->tm_set = tlp_21140_gpio_set; |
| 4708 | |
| 4709 | /* First is the media type code. */ |
| 4710 | tsti = tlp_srom_to_ifmedia(cp[0] & |
| 4711 | TULIP_ROM_MB_MEDIA_CODE); |
| 4712 | if (tsti == NULL) { |
| 4713 | /* Invalid media code. */ |
| 4714 | free(tm, M_DEVBUF); |
| 4715 | break; |
| 4716 | } |
| 4717 | |
| 4718 | /* Get defaults. */ |
| 4719 | tlp_srom_media_info(sc, tsti, tm); |
| 4720 | |
| 4721 | /* Next is any GPIO info for this media. */ |
| 4722 | tm->tm_gpdata = cp[1]; |
| 4723 | |
| 4724 | /* |
| 4725 | * Next is a word containing OPMODE information |
| 4726 | * and info on how to detect if this media is |
| 4727 | * active. |
| 4728 | */ |
| 4729 | word = TULIP_ROM_GETW(cp, 2); |
| 4730 | tm->tm_opmode &= OPMODE_FD; |
| 4731 | tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); |
| 4732 | if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { |
| 4733 | tm->tm_actmask = |
| 4734 | TULIP_ROM_MB_BITPOS(word); |
| 4735 | tm->tm_actdata = |
| 4736 | (word & TULIP_ROM_MB_POLARITY) ? |
| 4737 | 0 : tm->tm_actmask; |
| 4738 | } |
| 4739 | |
| 4740 | ifmedia_add(&sc->sc_mii.mii_media, |
| 4741 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
| 4742 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
| 4743 | break; |
| 4744 | |
| 4745 | case TULIP_ROM_MB_21140_MII: |
| 4746 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; |
| 4747 | |
| 4748 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 4749 | |
| 4750 | tm->tm_type = TULIP_ROM_MB_21140_MII; |
| 4751 | tm->tm_get = tlp_mii_getmedia; |
| 4752 | tm->tm_set = tlp_mii_setmedia; |
| 4753 | tm->tm_opmode = OPMODE_PS; |
| 4754 | |
| 4755 | if (sc->sc_reset == NULL) |
| 4756 | sc->sc_reset = tlp_21140_reset; |
| 4757 | |
| 4758 | /* First is the PHY number. */ |
| 4759 | tm->tm_phyno = *cp++; |
| 4760 | |
| 4761 | /* Next is the MII select sequence length and offset. */ |
| 4762 | tm->tm_gp_length = *cp++; |
| 4763 | tm->tm_gp_offset = cp - &sc->sc_srom[0]; |
| 4764 | cp += tm->tm_gp_length; |
| 4765 | |
| 4766 | /* Next is the MII reset sequence length and offset. */ |
| 4767 | tm->tm_reset_length = *cp++; |
| 4768 | tm->tm_reset_offset = cp - &sc->sc_srom[0]; |
| 4769 | cp += tm->tm_reset_length; |
| 4770 | |
| 4771 | /* |
| 4772 | * The following items are left in the media block |
| 4773 | * that we don't particularly care about: |
| 4774 | * |
| 4775 | * capabilities W |
| 4776 | * advertisement W |
| 4777 | * full duplex W |
| 4778 | * tx threshold W |
| 4779 | * |
| 4780 | * These appear to be bits in the PHY registers, |
| 4781 | * which our MII code handles on its own. |
| 4782 | */ |
| 4783 | |
| 4784 | /* |
| 4785 | * Before we probe the MII bus, we need to reset |
| 4786 | * it and issue the selection sequence. |
| 4787 | */ |
| 4788 | |
| 4789 | /* Set the direction of the pins... */ |
| 4790 | TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); |
| 4791 | |
| 4792 | for (i = 0; i < tm->tm_reset_length; i++) { |
| 4793 | delay(10); |
| 4794 | TULIP_WRITE(sc, CSR_GPP, |
| 4795 | sc->sc_srom[tm->tm_reset_offset + i]); |
| 4796 | } |
| 4797 | |
| 4798 | for (i = 0; i < tm->tm_gp_length; i++) { |
| 4799 | delay(10); |
| 4800 | TULIP_WRITE(sc, CSR_GPP, |
| 4801 | sc->sc_srom[tm->tm_gp_offset + i]); |
| 4802 | } |
| 4803 | |
| 4804 | /* If there were no sequences, just lower the pins. */ |
| 4805 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
| 4806 | delay(10); |
| 4807 | TULIP_WRITE(sc, CSR_GPP, 0); |
| 4808 | } |
| 4809 | |
| 4810 | /* |
| 4811 | * Now, probe the MII for the PHY. Note, we know |
| 4812 | * the location of the PHY on the bus, but we don't |
| 4813 | * particularly care; the MII code just likes to |
| 4814 | * search the whole thing anyhow. |
| 4815 | */ |
| 4816 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, |
| 4817 | MII_PHY_ANY, tm->tm_phyno, 0); |
| 4818 | |
| 4819 | /* |
| 4820 | * Now, search for the PHY we hopefully just |
| 4821 | * configured. If it's not configured into the |
| 4822 | * kernel, we lose. The PHY's default media always |
| 4823 | * takes priority. |
| 4824 | */ |
| 4825 | LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { |
| 4826 | if (phy->mii_offset == tm->tm_phyno) |
| 4827 | break; |
| 4828 | } |
| 4829 | if (phy == NULL) { |
| 4830 | aprint_error_dev(sc->sc_dev, |
| 4831 | "unable to configure MII\n" ); |
| 4832 | break; |
| 4833 | } |
| 4834 | |
| 4835 | sc->sc_flags |= TULIPF_HAS_MII; |
| 4836 | sc->sc_tick = tlp_mii_tick; |
| 4837 | miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, |
| 4838 | phy->mii_inst); |
| 4839 | |
| 4840 | /* |
| 4841 | * Okay, now that we've found the PHY and the MII |
| 4842 | * layer has added all of the media associated |
| 4843 | * with that PHY, we need to traverse the media |
| 4844 | * list, and add our `tm' to each entry's `aux' |
| 4845 | * pointer. |
| 4846 | * |
| 4847 | * We do this by looking for media with our |
| 4848 | * PHY's `instance'. |
| 4849 | */ |
| 4850 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, |
| 4851 | ifm_list) { |
| 4852 | if (IFM_INST(ife->ifm_media) != phy->mii_inst) |
| 4853 | continue; |
| 4854 | ife->ifm_aux = tm; |
| 4855 | } |
| 4856 | break; |
| 4857 | |
| 4858 | case TULIP_ROM_MB_21142_SIA: |
| 4859 | tlp_get_minst(sc); |
| 4860 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; |
| 4861 | |
| 4862 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 4863 | |
| 4864 | tm->tm_type = TULIP_ROM_MB_21142_SIA; |
| 4865 | tm->tm_get = tlp_sia_get; |
| 4866 | tm->tm_set = tlp_sia_set; |
| 4867 | |
| 4868 | /* First is the media type code. */ |
| 4869 | tsti = tlp_srom_to_ifmedia(cp[0] & |
| 4870 | TULIP_ROM_MB_MEDIA_CODE); |
| 4871 | if (tsti == NULL) { |
| 4872 | /* Invalid media code. */ |
| 4873 | free(tm, M_DEVBUF); |
| 4874 | break; |
| 4875 | } |
| 4876 | |
| 4877 | /* Get defaults. */ |
| 4878 | tlp_srom_media_info(sc, tsti, tm); |
| 4879 | |
| 4880 | /* |
| 4881 | * Override our default SIA settings if the |
| 4882 | * SROM contains its own. |
| 4883 | */ |
| 4884 | if (cp[0] & 0x40) { |
| 4885 | tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); |
| 4886 | tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); |
| 4887 | tm->tm_siagen = TULIP_ROM_GETW(cp, 5); |
| 4888 | cp += 7; |
| 4889 | } else |
| 4890 | cp++; |
| 4891 | |
| 4892 | /* Next is GPIO control/data. */ |
| 4893 | tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16; |
| 4894 | tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16; |
| 4895 | |
| 4896 | ifmedia_add(&sc->sc_mii.mii_media, |
| 4897 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
| 4898 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
| 4899 | break; |
| 4900 | |
| 4901 | case TULIP_ROM_MB_21142_MII: |
| 4902 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; |
| 4903 | |
| 4904 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 4905 | |
| 4906 | tm->tm_type = TULIP_ROM_MB_21142_MII; |
| 4907 | tm->tm_get = tlp_mii_getmedia; |
| 4908 | tm->tm_set = tlp_mii_setmedia; |
| 4909 | tm->tm_opmode = OPMODE_PS; |
| 4910 | |
| 4911 | if (sc->sc_reset == NULL) |
| 4912 | sc->sc_reset = tlp_21142_reset; |
| 4913 | |
| 4914 | /* First is the PHY number. */ |
| 4915 | tm->tm_phyno = *cp++; |
| 4916 | |
| 4917 | /* Next is the MII select sequence length and offset. */ |
| 4918 | tm->tm_gp_length = *cp++; |
| 4919 | tm->tm_gp_offset = cp - &sc->sc_srom[0]; |
| 4920 | cp += tm->tm_gp_length * 2; |
| 4921 | |
| 4922 | /* Next is the MII reset sequence length and offset. */ |
| 4923 | tm->tm_reset_length = *cp++; |
| 4924 | tm->tm_reset_offset = cp - &sc->sc_srom[0]; |
| 4925 | cp += tm->tm_reset_length * 2; |
| 4926 | |
| 4927 | /* |
| 4928 | * The following items are left in the media block |
| 4929 | * that we don't particularly care about: |
| 4930 | * |
| 4931 | * capabilities W |
| 4932 | * advertisement W |
| 4933 | * full duplex W |
| 4934 | * tx threshold W |
| 4935 | * MII interrupt W |
| 4936 | * |
| 4937 | * These appear to be bits in the PHY registers, |
| 4938 | * which our MII code handles on its own. |
| 4939 | */ |
| 4940 | |
| 4941 | /* |
| 4942 | * Before we probe the MII bus, we need to reset |
| 4943 | * it and issue the selection sequence. |
| 4944 | */ |
| 4945 | |
| 4946 | cp = &sc->sc_srom[tm->tm_reset_offset]; |
| 4947 | for (i = 0; i < tm->tm_reset_length; i++, cp += 2) { |
| 4948 | delay(10); |
| 4949 | TULIP_WRITE(sc, CSR_SIAGEN, |
| 4950 | TULIP_ROM_GETW(cp, 0) << 16); |
| 4951 | } |
| 4952 | |
| 4953 | cp = &sc->sc_srom[tm->tm_gp_offset]; |
| 4954 | for (i = 0; i < tm->tm_gp_length; i++, cp += 2) { |
| 4955 | delay(10); |
| 4956 | TULIP_WRITE(sc, CSR_SIAGEN, |
| 4957 | TULIP_ROM_GETW(cp, 0) << 16); |
| 4958 | } |
| 4959 | |
| 4960 | /* If there were no sequences, just lower the pins. */ |
| 4961 | if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { |
| 4962 | delay(10); |
| 4963 | TULIP_WRITE(sc, CSR_SIAGEN, 0); |
| 4964 | } |
| 4965 | |
| 4966 | /* |
| 4967 | * Now, probe the MII for the PHY. Note, we know |
| 4968 | * the location of the PHY on the bus, but we don't |
| 4969 | * particularly care; the MII code just likes to |
| 4970 | * search the whole thing anyhow. |
| 4971 | */ |
| 4972 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, |
| 4973 | MII_PHY_ANY, tm->tm_phyno, 0); |
| 4974 | |
| 4975 | /* |
| 4976 | * Now, search for the PHY we hopefully just |
| 4977 | * configured. If it's not configured into the |
| 4978 | * kernel, we lose. The PHY's default media always |
| 4979 | * takes priority. |
| 4980 | */ |
| 4981 | LIST_FOREACH(phy, &sc->sc_mii.mii_phys, mii_list) { |
| 4982 | if (phy->mii_offset == tm->tm_phyno) |
| 4983 | break; |
| 4984 | } |
| 4985 | if (phy == NULL) { |
| 4986 | aprint_error_dev(sc->sc_dev, |
| 4987 | "unable to configure MII\n" ); |
| 4988 | break; |
| 4989 | } |
| 4990 | |
| 4991 | sc->sc_flags |= TULIPF_HAS_MII; |
| 4992 | sc->sc_tick = tlp_mii_tick; |
| 4993 | miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, |
| 4994 | phy->mii_inst); |
| 4995 | |
| 4996 | /* |
| 4997 | * Okay, now that we've found the PHY and the MII |
| 4998 | * layer has added all of the media associated |
| 4999 | * with that PHY, we need to traverse the media |
| 5000 | * list, and add our `tm' to each entry's `aux' |
| 5001 | * pointer. |
| 5002 | * |
| 5003 | * We do this by looking for media with our |
| 5004 | * PHY's `instance'. |
| 5005 | */ |
| 5006 | TAILQ_FOREACH(ife, &sc->sc_mii.mii_media.ifm_list, |
| 5007 | ifm_list) { |
| 5008 | if (IFM_INST(ife->ifm_media) != phy->mii_inst) |
| 5009 | continue; |
| 5010 | ife->ifm_aux = tm; |
| 5011 | } |
| 5012 | break; |
| 5013 | |
| 5014 | case TULIP_ROM_MB_21143_SYM: |
| 5015 | tlp_get_minst(sc); |
| 5016 | sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; |
| 5017 | |
| 5018 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 5019 | |
| 5020 | tm->tm_type = TULIP_ROM_MB_21143_SYM; |
| 5021 | tm->tm_get = tlp_sia_get; |
| 5022 | tm->tm_set = tlp_sia_set; |
| 5023 | |
| 5024 | /* First is the media type code. */ |
| 5025 | tsti = tlp_srom_to_ifmedia(cp[0] & |
| 5026 | TULIP_ROM_MB_MEDIA_CODE); |
| 5027 | if (tsti == NULL) { |
| 5028 | /* Invalid media code. */ |
| 5029 | free(tm, M_DEVBUF); |
| 5030 | break; |
| 5031 | } |
| 5032 | |
| 5033 | /* Get defaults. */ |
| 5034 | tlp_srom_media_info(sc, tsti, tm); |
| 5035 | |
| 5036 | /* Next is GPIO control/data. */ |
| 5037 | tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16; |
| 5038 | tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16; |
| 5039 | |
| 5040 | /* |
| 5041 | * Next is a word containing OPMODE information |
| 5042 | * and info on how to detect if this media is |
| 5043 | * active. |
| 5044 | */ |
| 5045 | word = TULIP_ROM_GETW(cp, 5); |
| 5046 | tm->tm_opmode &= OPMODE_FD; |
| 5047 | tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word); |
| 5048 | if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { |
| 5049 | tm->tm_actmask = |
| 5050 | TULIP_ROM_MB_BITPOS(word); |
| 5051 | tm->tm_actdata = |
| 5052 | (word & TULIP_ROM_MB_POLARITY) ? |
| 5053 | 0 : tm->tm_actmask; |
| 5054 | } |
| 5055 | |
| 5056 | ifmedia_add(&sc->sc_mii.mii_media, |
| 5057 | IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, |
| 5058 | tsti->tsti_options, sc->sc_tlp_minst), 0, tm); |
| 5059 | break; |
| 5060 | |
| 5061 | case TULIP_ROM_MB_21143_RESET: |
| 5062 | aprint_normal_dev(sc->sc_dev, "21143 reset block\n" ); |
| 5063 | break; |
| 5064 | |
| 5065 | default: |
| 5066 | aprint_error_dev(sc->sc_dev, |
| 5067 | "unknown ISV media block type 0x%02x\n" , type); |
| 5068 | } |
| 5069 | } |
| 5070 | |
| 5071 | /* |
| 5072 | * Deal with the case where no media is configured. |
| 5073 | */ |
| 5074 | if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { |
| 5075 | aprint_error_dev(sc->sc_dev, "no media found!\n" ); |
| 5076 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
| 5077 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 5078 | return; |
| 5079 | } |
| 5080 | |
| 5081 | /* |
| 5082 | * Pick the default media. |
| 5083 | */ |
| 5084 | if (miidef != 0) |
| 5085 | defmedia = miidef; |
| 5086 | else { |
| 5087 | switch (sc->sc_chip) { |
| 5088 | case TULIP_CHIP_21140: |
| 5089 | case TULIP_CHIP_21140A: |
| 5090 | /* XXX should come from SROM */ |
| 5091 | defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); |
| 5092 | if (ifmedia_match(&sc->sc_mii.mii_media, defmedia, |
| 5093 | sc->sc_mii.mii_media.ifm_mask) == NULL) { |
| 5094 | /* |
| 5095 | * There is not a 10baseT media. |
| 5096 | * Fall back to the first found one. |
| 5097 | */ |
| 5098 | ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); |
| 5099 | defmedia = ife->ifm_media; |
| 5100 | } |
| 5101 | break; |
| 5102 | |
| 5103 | case TULIP_CHIP_21142: |
| 5104 | case TULIP_CHIP_21143: |
| 5105 | case TULIP_CHIP_MX98713A: |
| 5106 | case TULIP_CHIP_MX98715: |
| 5107 | case TULIP_CHIP_MX98715A: |
| 5108 | case TULIP_CHIP_MX98715AEC_X: |
| 5109 | case TULIP_CHIP_MX98725: |
| 5110 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 5111 | tm->tm_name = "auto" ; |
| 5112 | tm->tm_get = tlp_2114x_nway_get; |
| 5113 | tm->tm_set = tlp_2114x_nway_set; |
| 5114 | |
| 5115 | defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0); |
| 5116 | ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm); |
| 5117 | |
| 5118 | sc->sc_statchg = tlp_2114x_nway_statchg; |
| 5119 | sc->sc_tick = tlp_2114x_nway_tick; |
| 5120 | break; |
| 5121 | |
| 5122 | default: |
| 5123 | defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); |
| 5124 | break; |
| 5125 | } |
| 5126 | } |
| 5127 | |
| 5128 | ifmedia_set(&sc->sc_mii.mii_media, defmedia); |
| 5129 | |
| 5130 | /* |
| 5131 | * Display any non-MII media we've located. |
| 5132 | */ |
| 5133 | if (sc->sc_media_seen & |
| 5134 | ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) |
| 5135 | tlp_print_media(sc); |
| 5136 | |
| 5137 | tlp_sia_fixup(sc); |
| 5138 | } |
| 5139 | |
| 5140 | static void |
| 5141 | tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 5142 | { |
| 5143 | |
| 5144 | (void) tlp_2114x_nway_service(sc, MII_POLLSTAT); |
| 5145 | ifmr->ifm_status = sc->sc_mii.mii_media_status; |
| 5146 | ifmr->ifm_active = sc->sc_mii.mii_media_active; |
| 5147 | } |
| 5148 | |
| 5149 | static int |
| 5150 | tlp_2114x_nway_set(struct tulip_softc *sc) |
| 5151 | { |
| 5152 | |
| 5153 | return (tlp_2114x_nway_service(sc, MII_MEDIACHG)); |
| 5154 | } |
| 5155 | |
| 5156 | static void |
| 5157 | tlp_2114x_nway_statchg(struct ifnet *ifp) |
| 5158 | { |
| 5159 | struct tulip_softc *sc = ifp->if_softc; |
| 5160 | struct mii_data *mii = &sc->sc_mii; |
| 5161 | struct ifmedia_entry *ife; |
| 5162 | |
| 5163 | if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE) |
| 5164 | return; |
| 5165 | |
| 5166 | if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active, |
| 5167 | mii->mii_media.ifm_mask)) == NULL) { |
| 5168 | printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n" , |
| 5169 | mii->mii_media_active, ~mii->mii_media.ifm_mask); |
| 5170 | panic("tlp_2114x_nway_statchg" ); |
| 5171 | } |
| 5172 | |
| 5173 | tlp_sia_media(sc, ife); |
| 5174 | } |
| 5175 | |
| 5176 | static void |
| 5177 | tlp_2114x_nway_tick(void *arg) |
| 5178 | { |
| 5179 | struct tulip_softc *sc = arg; |
| 5180 | struct mii_data *mii = &sc->sc_mii; |
| 5181 | int s, ticks; |
| 5182 | |
| 5183 | if (!device_is_active(sc->sc_dev)) |
| 5184 | return; |
| 5185 | |
| 5186 | s = splnet(); |
| 5187 | tlp_2114x_nway_service(sc, MII_TICK); |
| 5188 | if ((sc->sc_flags & TULIPF_LINK_UP) == 0 && |
| 5189 | (mii->mii_media_status & IFM_ACTIVE) != 0 && |
| 5190 | IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { |
| 5191 | sc->sc_flags |= TULIPF_LINK_UP; |
| 5192 | tlp_start(&sc->sc_ethercom.ec_if); |
| 5193 | } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 && |
| 5194 | (mii->mii_media_status & IFM_ACTIVE) == 0) { |
| 5195 | sc->sc_flags &= ~TULIPF_LINK_UP; |
| 5196 | } |
| 5197 | splx(s); |
| 5198 | |
| 5199 | if ((sc->sc_flags & TULIPF_LINK_UP) == 0) |
| 5200 | ticks = hz >> 3; |
| 5201 | else |
| 5202 | ticks = hz; |
| 5203 | callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc); |
| 5204 | } |
| 5205 | |
| 5206 | /* |
| 5207 | * Support for the 2114X internal NWay block. This is constructed |
| 5208 | * somewhat like a PHY driver for simplicity. |
| 5209 | */ |
| 5210 | |
| 5211 | static int |
| 5212 | tlp_2114x_nway_service(struct tulip_softc *sc, int cmd) |
| 5213 | { |
| 5214 | struct mii_data *mii = &sc->sc_mii; |
| 5215 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
| 5216 | |
| 5217 | if ((mii->mii_ifp->if_flags & IFF_UP) == 0) |
| 5218 | return (0); |
| 5219 | |
| 5220 | switch (cmd) { |
| 5221 | case MII_POLLSTAT: |
| 5222 | /* Nothing special to do here. */ |
| 5223 | break; |
| 5224 | |
| 5225 | case MII_MEDIACHG: |
| 5226 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
| 5227 | case IFM_AUTO: |
| 5228 | goto restart; |
| 5229 | default: |
| 5230 | /* Manual setting doesn't go through here. */ |
| 5231 | printf("tlp_2114x_nway_service: oops!\n" ); |
| 5232 | return (EINVAL); |
| 5233 | } |
| 5234 | break; |
| 5235 | |
| 5236 | case MII_TICK: |
| 5237 | /* |
| 5238 | * Only used for autonegotiation. |
| 5239 | */ |
| 5240 | if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) |
| 5241 | break; |
| 5242 | |
| 5243 | /* |
| 5244 | * Check to see if we have link. If we do, we don't |
| 5245 | * need to restart the autonegotiation process. |
| 5246 | */ |
| 5247 | #if 0 |
| 5248 | if (mii->mii_media_status & IFM_ACTIVE) |
| 5249 | #else |
| 5250 | if (sc->sc_flags & TULIPF_LINK_UP) |
| 5251 | #endif |
| 5252 | break; |
| 5253 | |
| 5254 | /* |
| 5255 | * Only retry autonegotiation every 5 seconds. |
| 5256 | */ |
| 5257 | if (++sc->sc_nway_ticks != (5 << 3)) |
| 5258 | break; |
| 5259 | |
| 5260 | restart: |
| 5261 | sc->sc_nway_ticks = 0; |
| 5262 | ife->ifm_data = IFM_NONE; |
| 5263 | tlp_2114x_nway_auto(sc); |
| 5264 | break; |
| 5265 | } |
| 5266 | |
| 5267 | /* Update the media status. */ |
| 5268 | tlp_2114x_nway_status(sc); |
| 5269 | |
| 5270 | /* |
| 5271 | * Callback if something changed. Manually configuration goes through |
| 5272 | * tlp_sia_set() anyway, so ignore that here. |
| 5273 | */ |
| 5274 | if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO && |
| 5275 | ife->ifm_data != mii->mii_media_active) { |
| 5276 | (*sc->sc_statchg)(mii->mii_ifp); |
| 5277 | ife->ifm_data = mii->mii_media_active; |
| 5278 | } |
| 5279 | return (0); |
| 5280 | } |
| 5281 | |
| 5282 | static void |
| 5283 | tlp_2114x_nway_auto(struct tulip_softc *sc) |
| 5284 | { |
| 5285 | uint32_t siastat, siatxrx; |
| 5286 | |
| 5287 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
| 5288 | |
| 5289 | sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD); |
| 5290 | sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD; |
| 5291 | siatxrx = 0xffbf; /* XXX magic number */ |
| 5292 | |
| 5293 | /* Compute the link code word to advertise. */ |
| 5294 | if (sc->sc_sia_cap & BMSR_100T4) |
| 5295 | siatxrx |= SIATXRX_T4; |
| 5296 | if (sc->sc_sia_cap & BMSR_100TXFDX) |
| 5297 | siatxrx |= SIATXRX_TXF; |
| 5298 | if (sc->sc_sia_cap & BMSR_100TXHDX) |
| 5299 | siatxrx |= SIATXRX_THX; |
| 5300 | if (sc->sc_sia_cap & BMSR_10TFDX) |
| 5301 | sc->sc_opmode |= OPMODE_FD; |
| 5302 | if (sc->sc_sia_cap & BMSR_10THDX) |
| 5303 | siatxrx |= SIATXRX_TH; |
| 5304 | |
| 5305 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 5306 | |
| 5307 | TULIP_WRITE(sc, CSR_SIACONN, 0); |
| 5308 | delay(1000); |
| 5309 | TULIP_WRITE(sc, CSR_SIATXRX, siatxrx); |
| 5310 | TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL); |
| 5311 | |
| 5312 | siastat = TULIP_READ(sc, CSR_SIASTAT); |
| 5313 | siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA| |
| 5314 | SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA); |
| 5315 | siastat |= SIASTAT_ANS_TXDIS; |
| 5316 | TULIP_WRITE(sc, CSR_SIASTAT, siastat); |
| 5317 | } |
| 5318 | |
| 5319 | static void |
| 5320 | tlp_2114x_nway_status(struct tulip_softc *sc) |
| 5321 | { |
| 5322 | struct mii_data *mii = &sc->sc_mii; |
| 5323 | uint32_t siatxrx, siastat, anlpar; |
| 5324 | |
| 5325 | mii->mii_media_status = IFM_AVALID; |
| 5326 | mii->mii_media_active = IFM_ETHER; |
| 5327 | |
| 5328 | if ((mii->mii_ifp->if_flags & IFF_UP) == 0) |
| 5329 | return; |
| 5330 | |
| 5331 | siastat = TULIP_READ(sc, CSR_SIASTAT); |
| 5332 | siatxrx = TULIP_READ(sc, CSR_SIATXRX); |
| 5333 | |
| 5334 | if (siatxrx & SIATXRX_ANE) { |
| 5335 | if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) { |
| 5336 | /* Erg, still trying, I guess... */ |
| 5337 | mii->mii_media_active |= IFM_NONE; |
| 5338 | return; |
| 5339 | } |
| 5340 | |
| 5341 | if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) |
| 5342 | mii->mii_media_status |= IFM_ACTIVE; |
| 5343 | |
| 5344 | if (siastat & SIASTAT_LPN) { |
| 5345 | anlpar = SIASTAT_GETLPC(siastat); |
| 5346 | if (anlpar & ANLPAR_T4 && |
| 5347 | sc->sc_sia_cap & BMSR_100T4) |
| 5348 | mii->mii_media_active |= IFM_100_T4; |
| 5349 | else if (anlpar & ANLPAR_TX_FD && |
| 5350 | sc->sc_sia_cap & BMSR_100TXFDX) |
| 5351 | mii->mii_media_active |= IFM_100_TX|IFM_FDX; |
| 5352 | else if (anlpar & ANLPAR_TX && |
| 5353 | sc->sc_sia_cap & BMSR_100TXHDX) |
| 5354 | mii->mii_media_active |= IFM_100_TX; |
| 5355 | else if (anlpar & ANLPAR_10_FD && |
| 5356 | sc->sc_sia_cap & BMSR_10TFDX) |
| 5357 | mii->mii_media_active |= IFM_10_T|IFM_FDX; |
| 5358 | else if (anlpar & ANLPAR_10 && |
| 5359 | sc->sc_sia_cap & BMSR_10THDX) |
| 5360 | mii->mii_media_active |= IFM_10_T; |
| 5361 | else |
| 5362 | mii->mii_media_active |= IFM_NONE; |
| 5363 | } else { |
| 5364 | /* |
| 5365 | * If the other side doesn't support NWAY, then the |
| 5366 | * best we can do is determine if we have a 10Mbps or |
| 5367 | * 100Mbps link. There's no way to know if the link |
| 5368 | * is full or half duplex, so we default to half duplex |
| 5369 | * and hope that the user is clever enough to manually |
| 5370 | * change the media settings if we're wrong. |
| 5371 | */ |
| 5372 | if ((siastat & SIASTAT_LS100) == 0) |
| 5373 | mii->mii_media_active |= IFM_100_TX; |
| 5374 | else if ((siastat & SIASTAT_LS10) == 0) |
| 5375 | mii->mii_media_active |= IFM_10_T; |
| 5376 | else |
| 5377 | mii->mii_media_active |= IFM_NONE; |
| 5378 | } |
| 5379 | } else { |
| 5380 | if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100)) |
| 5381 | mii->mii_media_status |= IFM_ACTIVE; |
| 5382 | |
| 5383 | if (sc->sc_opmode & OPMODE_TTM) |
| 5384 | mii->mii_media_active |= IFM_10_T; |
| 5385 | else |
| 5386 | mii->mii_media_active |= IFM_100_TX; |
| 5387 | if (sc->sc_opmode & OPMODE_FD) |
| 5388 | mii->mii_media_active |= IFM_FDX; |
| 5389 | } |
| 5390 | } |
| 5391 | |
| 5392 | static void |
| 5393 | tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 5394 | { |
| 5395 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
| 5396 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
| 5397 | |
| 5398 | (*tm->tm_get)(sc, ifmr); |
| 5399 | } |
| 5400 | |
| 5401 | static int |
| 5402 | tlp_2114x_isv_tmsw_set(struct tulip_softc *sc) |
| 5403 | { |
| 5404 | struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; |
| 5405 | struct tulip_21x4x_media *tm = ife->ifm_aux; |
| 5406 | |
| 5407 | /* |
| 5408 | * Check to see if we need to reset the chip, and do it. The |
| 5409 | * reset path will get the OPMODE register right the next |
| 5410 | * time through. |
| 5411 | */ |
| 5412 | if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) |
| 5413 | return (tlp_init(&sc->sc_ethercom.ec_if)); |
| 5414 | |
| 5415 | return ((*tm->tm_set)(sc)); |
| 5416 | } |
| 5417 | |
| 5418 | /* |
| 5419 | * MII-on-SIO media switch. Handles only MII attached to the SIO. |
| 5420 | */ |
| 5421 | static void tlp_sio_mii_tmsw_init(struct tulip_softc *); |
| 5422 | |
| 5423 | const struct tulip_mediasw tlp_sio_mii_mediasw = { |
| 5424 | tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
| 5425 | }; |
| 5426 | |
| 5427 | static void |
| 5428 | tlp_sio_mii_tmsw_init(struct tulip_softc *sc) |
| 5429 | { |
| 5430 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 5431 | |
| 5432 | /* |
| 5433 | * We don't attach any media info structures to the ifmedia |
| 5434 | * entries, so if we're using a pre-init function that needs |
| 5435 | * that info, override it to one that doesn't. |
| 5436 | */ |
| 5437 | if (sc->sc_preinit == tlp_2114x_preinit) |
| 5438 | sc->sc_preinit = tlp_2114x_mii_preinit; |
| 5439 | |
| 5440 | sc->sc_mii.mii_ifp = ifp; |
| 5441 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
| 5442 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
| 5443 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 5444 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 5445 | tlp_mediastatus); |
| 5446 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
| 5447 | MII_OFFSET_ANY, 0); |
| 5448 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 5449 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
| 5450 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 5451 | } else { |
| 5452 | sc->sc_flags |= TULIPF_HAS_MII; |
| 5453 | sc->sc_tick = tlp_mii_tick; |
| 5454 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 5455 | } |
| 5456 | } |
| 5457 | |
| 5458 | /* |
| 5459 | * Lite-On PNIC media switch. Must handle MII or internal NWAY. |
| 5460 | */ |
| 5461 | static void tlp_pnic_tmsw_init(struct tulip_softc *); |
| 5462 | static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *); |
| 5463 | static int tlp_pnic_tmsw_set(struct tulip_softc *); |
| 5464 | |
| 5465 | const struct tulip_mediasw tlp_pnic_mediasw = { |
| 5466 | tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set |
| 5467 | }; |
| 5468 | |
| 5469 | static void tlp_pnic_nway_statchg(struct ifnet *); |
| 5470 | static void tlp_pnic_nway_tick(void *); |
| 5471 | static int tlp_pnic_nway_service(struct tulip_softc *, int); |
| 5472 | static void tlp_pnic_nway_reset(struct tulip_softc *); |
| 5473 | static int tlp_pnic_nway_auto(struct tulip_softc *, int); |
| 5474 | static void tlp_pnic_nway_auto_timeout(void *); |
| 5475 | static void tlp_pnic_nway_status(struct tulip_softc *); |
| 5476 | static void tlp_pnic_nway_acomp(struct tulip_softc *); |
| 5477 | |
| 5478 | static void |
| 5479 | tlp_pnic_tmsw_init(struct tulip_softc *sc) |
| 5480 | { |
| 5481 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 5482 | const char *sep = "" ; |
| 5483 | |
| 5484 | #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) |
| 5485 | #define PRINT(str) aprint_normal("%s%s", sep, str); sep = ", " |
| 5486 | |
| 5487 | sc->sc_mii.mii_ifp = ifp; |
| 5488 | sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; |
| 5489 | sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; |
| 5490 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 5491 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 5492 | tlp_mediastatus); |
| 5493 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
| 5494 | MII_OFFSET_ANY, 0); |
| 5495 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 5496 | /* XXX What about AUI/BNC support? */ |
| 5497 | aprint_normal_dev(sc->sc_dev, "" ); |
| 5498 | |
| 5499 | tlp_pnic_nway_reset(sc); |
| 5500 | |
| 5501 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), |
| 5502 | PNIC_NWAY_TW|PNIC_NWAY_CAP10T); |
| 5503 | PRINT("10baseT" ); |
| 5504 | |
| 5505 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), |
| 5506 | PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); |
| 5507 | PRINT("10baseT-FDX" ); |
| 5508 | |
| 5509 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), |
| 5510 | PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); |
| 5511 | PRINT("100baseTX" ); |
| 5512 | |
| 5513 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), |
| 5514 | PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| |
| 5515 | PNIC_NWAY_CAP100TXFDX); |
| 5516 | PRINT("100baseTX-FDX" ); |
| 5517 | |
| 5518 | ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), |
| 5519 | PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| |
| 5520 | PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| |
| 5521 | PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); |
| 5522 | PRINT("auto" ); |
| 5523 | |
| 5524 | aprint_normal("\n" ); |
| 5525 | |
| 5526 | sc->sc_statchg = tlp_pnic_nway_statchg; |
| 5527 | sc->sc_tick = tlp_pnic_nway_tick; |
| 5528 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 5529 | } else { |
| 5530 | sc->sc_flags |= TULIPF_HAS_MII; |
| 5531 | sc->sc_tick = tlp_mii_tick; |
| 5532 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 5533 | } |
| 5534 | |
| 5535 | #undef ADD |
| 5536 | #undef PRINT |
| 5537 | } |
| 5538 | |
| 5539 | static void |
| 5540 | tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 5541 | { |
| 5542 | struct mii_data *mii = &sc->sc_mii; |
| 5543 | |
| 5544 | if (sc->sc_flags & TULIPF_HAS_MII) |
| 5545 | tlp_mii_getmedia(sc, ifmr); |
| 5546 | else { |
| 5547 | mii->mii_media_status = 0; |
| 5548 | mii->mii_media_active = IFM_NONE; |
| 5549 | tlp_pnic_nway_service(sc, MII_POLLSTAT); |
| 5550 | ifmr->ifm_status = sc->sc_mii.mii_media_status; |
| 5551 | ifmr->ifm_active = sc->sc_mii.mii_media_active; |
| 5552 | } |
| 5553 | } |
| 5554 | |
| 5555 | static int |
| 5556 | tlp_pnic_tmsw_set(struct tulip_softc *sc) |
| 5557 | { |
| 5558 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 5559 | struct mii_data *mii = &sc->sc_mii; |
| 5560 | |
| 5561 | if (sc->sc_flags & TULIPF_HAS_MII) { |
| 5562 | /* |
| 5563 | * Make sure the built-in Tx jabber timer is disabled. |
| 5564 | */ |
| 5565 | TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); |
| 5566 | |
| 5567 | return (tlp_mii_setmedia(sc)); |
| 5568 | } |
| 5569 | |
| 5570 | if (ifp->if_flags & IFF_UP) { |
| 5571 | mii->mii_media_status = 0; |
| 5572 | mii->mii_media_active = IFM_NONE; |
| 5573 | return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); |
| 5574 | } |
| 5575 | |
| 5576 | return (0); |
| 5577 | } |
| 5578 | |
| 5579 | static void |
| 5580 | tlp_pnic_nway_statchg(struct ifnet *ifp) |
| 5581 | { |
| 5582 | struct tulip_softc *sc = ifp->if_softc; |
| 5583 | |
| 5584 | /* Idle the transmit and receive processes. */ |
| 5585 | tlp_idle(sc, OPMODE_ST|OPMODE_SR); |
| 5586 | |
| 5587 | sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| |
| 5588 | OPMODE_SCR|OPMODE_HBD); |
| 5589 | |
| 5590 | if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { |
| 5591 | sc->sc_opmode |= OPMODE_TTM; |
| 5592 | TULIP_WRITE(sc, CSR_GPP, |
| 5593 | GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | |
| 5594 | GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); |
| 5595 | } else { |
| 5596 | sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; |
| 5597 | TULIP_WRITE(sc, CSR_GPP, |
| 5598 | GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | |
| 5599 | GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); |
| 5600 | } |
| 5601 | |
| 5602 | if (sc->sc_mii.mii_media_active & IFM_FDX) |
| 5603 | sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; |
| 5604 | |
| 5605 | /* |
| 5606 | * Write new OPMODE bits. This also restarts the transmit |
| 5607 | * and receive processes. |
| 5608 | */ |
| 5609 | TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); |
| 5610 | } |
| 5611 | |
| 5612 | static void |
| 5613 | tlp_pnic_nway_tick(void *arg) |
| 5614 | { |
| 5615 | struct tulip_softc *sc = arg; |
| 5616 | int s; |
| 5617 | |
| 5618 | if (!device_is_active(sc->sc_dev)) |
| 5619 | return; |
| 5620 | |
| 5621 | s = splnet(); |
| 5622 | tlp_pnic_nway_service(sc, MII_TICK); |
| 5623 | splx(s); |
| 5624 | |
| 5625 | callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); |
| 5626 | } |
| 5627 | |
| 5628 | /* |
| 5629 | * Support for the Lite-On PNIC internal NWay block. This is constructed |
| 5630 | * somewhat like a PHY driver for simplicity. |
| 5631 | */ |
| 5632 | |
| 5633 | static int |
| 5634 | tlp_pnic_nway_service(struct tulip_softc *sc, int cmd) |
| 5635 | { |
| 5636 | struct mii_data *mii = &sc->sc_mii; |
| 5637 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
| 5638 | |
| 5639 | if ((mii->mii_ifp->if_flags & IFF_UP) == 0) |
| 5640 | return (0); |
| 5641 | |
| 5642 | switch (cmd) { |
| 5643 | case MII_POLLSTAT: |
| 5644 | /* Nothing special to do here. */ |
| 5645 | break; |
| 5646 | |
| 5647 | case MII_MEDIACHG: |
| 5648 | switch (IFM_SUBTYPE(ife->ifm_media)) { |
| 5649 | case IFM_AUTO: |
| 5650 | (void) tlp_pnic_nway_auto(sc, 1); |
| 5651 | break; |
| 5652 | case IFM_100_T4: |
| 5653 | /* |
| 5654 | * XXX Not supported as a manual setting right now. |
| 5655 | */ |
| 5656 | return (EINVAL); |
| 5657 | default: |
| 5658 | /* |
| 5659 | * NWAY register data is stored in the ifmedia entry. |
| 5660 | */ |
| 5661 | TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); |
| 5662 | } |
| 5663 | break; |
| 5664 | |
| 5665 | case MII_TICK: |
| 5666 | /* |
| 5667 | * Only used for autonegotiation. |
| 5668 | */ |
| 5669 | if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) |
| 5670 | return (0); |
| 5671 | |
| 5672 | /* |
| 5673 | * Check to see if we have link. If we do, we don't |
| 5674 | * need to restart the autonegotiation process. |
| 5675 | */ |
| 5676 | if (sc->sc_flags & TULIPF_LINK_UP) |
| 5677 | return (0); |
| 5678 | |
| 5679 | /* |
| 5680 | * Only retry autonegotiation every 5 seconds. |
| 5681 | */ |
| 5682 | if (++sc->sc_nway_ticks != 5) |
| 5683 | return (0); |
| 5684 | |
| 5685 | sc->sc_nway_ticks = 0; |
| 5686 | tlp_pnic_nway_reset(sc); |
| 5687 | if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) |
| 5688 | return (0); |
| 5689 | break; |
| 5690 | } |
| 5691 | |
| 5692 | /* Update the media status. */ |
| 5693 | tlp_pnic_nway_status(sc); |
| 5694 | |
| 5695 | /* Callback if something changed. */ |
| 5696 | if ((sc->sc_nway_active == NULL || |
| 5697 | sc->sc_nway_active->ifm_media != mii->mii_media_active) || |
| 5698 | cmd == MII_MEDIACHG) { |
| 5699 | (*sc->sc_statchg)(mii->mii_ifp); |
| 5700 | tlp_nway_activate(sc, mii->mii_media_active); |
| 5701 | } |
| 5702 | return (0); |
| 5703 | } |
| 5704 | |
| 5705 | static void |
| 5706 | tlp_pnic_nway_reset(struct tulip_softc *sc) |
| 5707 | { |
| 5708 | |
| 5709 | TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); |
| 5710 | delay(100); |
| 5711 | TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); |
| 5712 | } |
| 5713 | |
| 5714 | static int |
| 5715 | tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor) |
| 5716 | { |
| 5717 | struct mii_data *mii = &sc->sc_mii; |
| 5718 | struct ifmedia_entry *ife = mii->mii_media.ifm_cur; |
| 5719 | uint32_t reg; |
| 5720 | int i; |
| 5721 | |
| 5722 | if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) |
| 5723 | TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); |
| 5724 | |
| 5725 | if (waitfor) { |
| 5726 | /* Wait 500ms for it to complete. */ |
| 5727 | for (i = 0; i < 500; i++) { |
| 5728 | reg = TULIP_READ(sc, CSR_PNIC_NWAY); |
| 5729 | if (reg & PNIC_NWAY_LPAR_MASK) { |
| 5730 | tlp_pnic_nway_acomp(sc); |
| 5731 | return (0); |
| 5732 | } |
| 5733 | delay(1000); |
| 5734 | } |
| 5735 | #if 0 |
| 5736 | if ((reg & PNIC_NWAY_LPAR_MASK) == 0) |
| 5737 | aprint_error_dev(sc->sc_dev, |
| 5738 | "autonegotiation failed to complete\n" ); |
| 5739 | #endif |
| 5740 | |
| 5741 | /* |
| 5742 | * Don't need to worry about clearing DOINGAUTO. |
| 5743 | * If that's set, a timeout is pending, and it will |
| 5744 | * clear the flag. |
| 5745 | */ |
| 5746 | return (EIO); |
| 5747 | } |
| 5748 | |
| 5749 | /* |
| 5750 | * Just let it finish asynchronously. This is for the benefit of |
| 5751 | * the tick handler driving autonegotiation. Don't want 500ms |
| 5752 | * delays all the time while the system is running! |
| 5753 | */ |
| 5754 | if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { |
| 5755 | sc->sc_flags |= TULIPF_DOINGAUTO; |
| 5756 | callout_reset(&sc->sc_nway_callout, hz >> 1, |
| 5757 | tlp_pnic_nway_auto_timeout, sc); |
| 5758 | } |
| 5759 | return (EJUSTRETURN); |
| 5760 | } |
| 5761 | |
| 5762 | static void |
| 5763 | tlp_pnic_nway_auto_timeout(void *arg) |
| 5764 | { |
| 5765 | struct tulip_softc *sc = arg; |
| 5766 | /* uint32_t reg; */ |
| 5767 | int s; |
| 5768 | |
| 5769 | s = splnet(); |
| 5770 | sc->sc_flags &= ~TULIPF_DOINGAUTO; |
| 5771 | /* reg = */ |
| 5772 | TULIP_READ(sc, CSR_PNIC_NWAY); |
| 5773 | #if 0 |
| 5774 | if ((reg & PNIC_NWAY_LPAR_MASK) == 0) |
| 5775 | aprint_error_dev(sc->sc_dev, |
| 5776 | "autonegotiation failed to complete\n" ); |
| 5777 | #endif |
| 5778 | |
| 5779 | tlp_pnic_nway_acomp(sc); |
| 5780 | |
| 5781 | /* Update the media status. */ |
| 5782 | (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); |
| 5783 | splx(s); |
| 5784 | } |
| 5785 | |
| 5786 | static void |
| 5787 | tlp_pnic_nway_status(struct tulip_softc *sc) |
| 5788 | { |
| 5789 | struct mii_data *mii = &sc->sc_mii; |
| 5790 | uint32_t reg; |
| 5791 | |
| 5792 | mii->mii_media_status = IFM_AVALID; |
| 5793 | mii->mii_media_active = IFM_ETHER; |
| 5794 | |
| 5795 | reg = TULIP_READ(sc, CSR_PNIC_NWAY); |
| 5796 | |
| 5797 | if (sc->sc_flags & TULIPF_LINK_UP) |
| 5798 | mii->mii_media_status |= IFM_ACTIVE; |
| 5799 | |
| 5800 | if (reg & PNIC_NWAY_NW) { |
| 5801 | if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { |
| 5802 | /* Erg, still trying, I guess... */ |
| 5803 | mii->mii_media_active |= IFM_NONE; |
| 5804 | return; |
| 5805 | } |
| 5806 | |
| 5807 | #if 0 |
| 5808 | if (reg & PNIC_NWAY_LPAR100T4) |
| 5809 | mii->mii_media_active |= IFM_100_T4; |
| 5810 | else |
| 5811 | #endif |
| 5812 | if (reg & PNIC_NWAY_LPAR100TXFDX) |
| 5813 | mii->mii_media_active |= IFM_100_TX|IFM_FDX; |
| 5814 | else if (reg & PNIC_NWAY_LPAR100TX) |
| 5815 | mii->mii_media_active |= IFM_100_TX; |
| 5816 | else if (reg & PNIC_NWAY_LPAR10TFDX) |
| 5817 | mii->mii_media_active |= IFM_10_T|IFM_FDX; |
| 5818 | else if (reg & PNIC_NWAY_LPAR10T) |
| 5819 | mii->mii_media_active |= IFM_10_T; |
| 5820 | else |
| 5821 | mii->mii_media_active |= IFM_NONE; |
| 5822 | } else { |
| 5823 | if (reg & PNIC_NWAY_100) |
| 5824 | mii->mii_media_active |= IFM_100_TX; |
| 5825 | else |
| 5826 | mii->mii_media_active |= IFM_10_T; |
| 5827 | if (reg & PNIC_NWAY_FD) |
| 5828 | mii->mii_media_active |= IFM_FDX; |
| 5829 | } |
| 5830 | } |
| 5831 | |
| 5832 | static void |
| 5833 | tlp_pnic_nway_acomp(struct tulip_softc *sc) |
| 5834 | { |
| 5835 | uint32_t reg; |
| 5836 | |
| 5837 | reg = TULIP_READ(sc, CSR_PNIC_NWAY); |
| 5838 | reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); |
| 5839 | |
| 5840 | if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) |
| 5841 | reg |= PNIC_NWAY_100; |
| 5842 | if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) |
| 5843 | reg |= PNIC_NWAY_FD; |
| 5844 | |
| 5845 | TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); |
| 5846 | } |
| 5847 | |
| 5848 | /* |
| 5849 | * Macronix PMAC and Lite-On PNIC-II media switch: |
| 5850 | * |
| 5851 | * MX98713 and MX98713A 21140-like MII or GPIO media. |
| 5852 | * |
| 5853 | * MX98713A 21143-like MII or SIA/SYM media. |
| 5854 | * |
| 5855 | * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. |
| 5856 | * 82C115, MX98715AEC-C, -E |
| 5857 | * |
| 5858 | * So, what we do here is fake MII-on-SIO or ISV media info, and |
| 5859 | * use the ISV media switch get/set functions to handle the rest. |
| 5860 | */ |
| 5861 | |
| 5862 | static void tlp_pmac_tmsw_init(struct tulip_softc *); |
| 5863 | |
| 5864 | const struct tulip_mediasw tlp_pmac_mediasw = { |
| 5865 | tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set |
| 5866 | }; |
| 5867 | |
| 5868 | const struct tulip_mediasw tlp_pmac_mii_mediasw = { |
| 5869 | tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
| 5870 | }; |
| 5871 | |
| 5872 | static void |
| 5873 | tlp_pmac_tmsw_init(struct tulip_softc *sc) |
| 5874 | { |
| 5875 | static const uint8_t media[] = { |
| 5876 | TULIP_ROM_MB_MEDIA_TP, |
| 5877 | TULIP_ROM_MB_MEDIA_TP_FDX, |
| 5878 | TULIP_ROM_MB_MEDIA_100TX, |
| 5879 | TULIP_ROM_MB_MEDIA_100TX_FDX, |
| 5880 | }; |
| 5881 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 5882 | struct tulip_21x4x_media *tm; |
| 5883 | |
| 5884 | sc->sc_mii.mii_ifp = ifp; |
| 5885 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
| 5886 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
| 5887 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 5888 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 5889 | tlp_mediastatus); |
| 5890 | if (sc->sc_chip == TULIP_CHIP_MX98713 || |
| 5891 | sc->sc_chip == TULIP_CHIP_MX98713A) { |
| 5892 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, |
| 5893 | MII_PHY_ANY, MII_OFFSET_ANY, 0); |
| 5894 | if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { |
| 5895 | sc->sc_flags |= TULIPF_HAS_MII; |
| 5896 | sc->sc_tick = tlp_mii_tick; |
| 5897 | sc->sc_preinit = tlp_2114x_mii_preinit; |
| 5898 | sc->sc_mediasw = &tlp_pmac_mii_mediasw; |
| 5899 | ifmedia_set(&sc->sc_mii.mii_media, |
| 5900 | IFM_ETHER|IFM_AUTO); |
| 5901 | return; |
| 5902 | } |
| 5903 | } |
| 5904 | |
| 5905 | switch (sc->sc_chip) { |
| 5906 | case TULIP_CHIP_MX98713: |
| 5907 | tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, |
| 5908 | tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); |
| 5909 | |
| 5910 | /* |
| 5911 | * XXX Should implement auto-sense for this someday, |
| 5912 | * XXX when we do the same for the 21140. |
| 5913 | */ |
| 5914 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); |
| 5915 | break; |
| 5916 | |
| 5917 | default: |
| 5918 | tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, |
| 5919 | tlp_sia_get, tlp_sia_set, media, 2); |
| 5920 | tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, |
| 5921 | tlp_sia_get, tlp_sia_set, media + 2, 2); |
| 5922 | |
| 5923 | tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO); |
| 5924 | tm->tm_name = "auto" ; |
| 5925 | tm->tm_get = tlp_2114x_nway_get; |
| 5926 | tm->tm_set = tlp_2114x_nway_set; |
| 5927 | ifmedia_add(&sc->sc_mii.mii_media, |
| 5928 | IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm); |
| 5929 | |
| 5930 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 5931 | sc->sc_statchg = tlp_2114x_nway_statchg; |
| 5932 | sc->sc_tick = tlp_2114x_nway_tick; |
| 5933 | break; |
| 5934 | } |
| 5935 | |
| 5936 | tlp_print_media(sc); |
| 5937 | tlp_sia_fixup(sc); |
| 5938 | |
| 5939 | /* Set the LED modes. */ |
| 5940 | tlp_pmac_reset(sc); |
| 5941 | |
| 5942 | sc->sc_reset = tlp_pmac_reset; |
| 5943 | } |
| 5944 | |
| 5945 | /* |
| 5946 | * ADMtek AL981 media switch. Only has internal PHY. |
| 5947 | */ |
| 5948 | static void tlp_al981_tmsw_init(struct tulip_softc *); |
| 5949 | |
| 5950 | const struct tulip_mediasw tlp_al981_mediasw = { |
| 5951 | tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
| 5952 | }; |
| 5953 | |
| 5954 | static void |
| 5955 | tlp_al981_tmsw_init(struct tulip_softc *sc) |
| 5956 | { |
| 5957 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 5958 | |
| 5959 | sc->sc_mii.mii_ifp = ifp; |
| 5960 | sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; |
| 5961 | sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; |
| 5962 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 5963 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 5964 | tlp_mediastatus); |
| 5965 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
| 5966 | MII_OFFSET_ANY, 0); |
| 5967 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 5968 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
| 5969 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 5970 | } else { |
| 5971 | sc->sc_flags |= TULIPF_HAS_MII; |
| 5972 | sc->sc_tick = tlp_mii_tick; |
| 5973 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 5974 | } |
| 5975 | } |
| 5976 | |
| 5977 | /* |
| 5978 | * ADMtek AN983/985 media switch. Only has internal PHY, but |
| 5979 | * on an SIO-like interface. Unfortunately, we can't use the |
| 5980 | * standard SIO media switch, because the AN985 "ghosts" the |
| 5981 | * singly PHY at every address. |
| 5982 | */ |
| 5983 | static void tlp_an985_tmsw_init(struct tulip_softc *); |
| 5984 | |
| 5985 | const struct tulip_mediasw tlp_an985_mediasw = { |
| 5986 | tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
| 5987 | }; |
| 5988 | |
| 5989 | static void |
| 5990 | tlp_an985_tmsw_init(struct tulip_softc *sc) |
| 5991 | { |
| 5992 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 5993 | |
| 5994 | sc->sc_mii.mii_ifp = ifp; |
| 5995 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
| 5996 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
| 5997 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 5998 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 5999 | tlp_mediastatus); |
| 6000 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, |
| 6001 | MII_OFFSET_ANY, 0); |
| 6002 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 6003 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
| 6004 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 6005 | } else { |
| 6006 | sc->sc_flags |= TULIPF_HAS_MII; |
| 6007 | sc->sc_tick = tlp_mii_tick; |
| 6008 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 6009 | } |
| 6010 | } |
| 6011 | |
| 6012 | /* |
| 6013 | * Davicom DM9102 media switch. Internal PHY and possibly HomePNA. |
| 6014 | */ |
| 6015 | static void tlp_dm9102_tmsw_init(struct tulip_softc *); |
| 6016 | static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *, |
| 6017 | struct ifmediareq *); |
| 6018 | static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *); |
| 6019 | |
| 6020 | const struct tulip_mediasw tlp_dm9102_mediasw = { |
| 6021 | tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia, |
| 6022 | tlp_dm9102_tmsw_setmedia |
| 6023 | }; |
| 6024 | |
| 6025 | static void |
| 6026 | tlp_dm9102_tmsw_init(struct tulip_softc *sc) |
| 6027 | { |
| 6028 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 6029 | uint32_t opmode; |
| 6030 | |
| 6031 | sc->sc_mii.mii_ifp = ifp; |
| 6032 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
| 6033 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
| 6034 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 6035 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 6036 | tlp_mediastatus); |
| 6037 | |
| 6038 | /* PHY block already reset via tlp_reset(). */ |
| 6039 | |
| 6040 | /* |
| 6041 | * Configure OPMODE properly for the internal MII interface. |
| 6042 | */ |
| 6043 | switch (sc->sc_chip) { |
| 6044 | case TULIP_CHIP_DM9102: |
| 6045 | opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS; |
| 6046 | break; |
| 6047 | |
| 6048 | case TULIP_CHIP_DM9102A: |
| 6049 | opmode = OPMODE_MBO|OPMODE_HBD; |
| 6050 | break; |
| 6051 | |
| 6052 | default: |
| 6053 | opmode = 0; |
| 6054 | break; |
| 6055 | } |
| 6056 | |
| 6057 | TULIP_WRITE(sc, CSR_OPMODE, opmode); |
| 6058 | |
| 6059 | /* Now, probe the internal MII for the internal PHY. */ |
| 6060 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
| 6061 | MII_OFFSET_ANY, 0); |
| 6062 | |
| 6063 | /* |
| 6064 | * XXX Figure out what to do about the HomePNA portion |
| 6065 | * XXX of the DM9102A. |
| 6066 | */ |
| 6067 | |
| 6068 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 6069 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
| 6070 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 6071 | } else { |
| 6072 | sc->sc_flags |= TULIPF_HAS_MII; |
| 6073 | sc->sc_tick = tlp_mii_tick; |
| 6074 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 6075 | } |
| 6076 | } |
| 6077 | |
| 6078 | static void |
| 6079 | tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 6080 | { |
| 6081 | |
| 6082 | /* XXX HomePNA on DM9102A. */ |
| 6083 | tlp_mii_getmedia(sc, ifmr); |
| 6084 | } |
| 6085 | |
| 6086 | static int |
| 6087 | tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc) |
| 6088 | { |
| 6089 | |
| 6090 | /* XXX HomePNA on DM9102A. */ |
| 6091 | return (tlp_mii_setmedia(sc)); |
| 6092 | } |
| 6093 | |
| 6094 | /* |
| 6095 | * ASIX AX88140A/AX88141 media switch. Internal PHY or MII. |
| 6096 | */ |
| 6097 | |
| 6098 | static void tlp_asix_tmsw_init(struct tulip_softc *); |
| 6099 | static void tlp_asix_tmsw_getmedia(struct tulip_softc *, |
| 6100 | struct ifmediareq *); |
| 6101 | static int tlp_asix_tmsw_setmedia(struct tulip_softc *); |
| 6102 | |
| 6103 | const struct tulip_mediasw tlp_asix_mediasw = { |
| 6104 | tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia, |
| 6105 | tlp_asix_tmsw_setmedia |
| 6106 | }; |
| 6107 | |
| 6108 | static void |
| 6109 | tlp_asix_tmsw_init(struct tulip_softc *sc) |
| 6110 | { |
| 6111 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 6112 | uint32_t opmode; |
| 6113 | |
| 6114 | sc->sc_mii.mii_ifp = ifp; |
| 6115 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
| 6116 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
| 6117 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 6118 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 6119 | tlp_mediastatus); |
| 6120 | |
| 6121 | /* |
| 6122 | * Configure OPMODE properly for the internal MII interface. |
| 6123 | */ |
| 6124 | switch (sc->sc_chip) { |
| 6125 | case TULIP_CHIP_AX88140: |
| 6126 | case TULIP_CHIP_AX88141: |
| 6127 | opmode = OPMODE_HBD|OPMODE_PS; |
| 6128 | break; |
| 6129 | default: |
| 6130 | opmode = 0; |
| 6131 | break; |
| 6132 | } |
| 6133 | |
| 6134 | TULIP_WRITE(sc, CSR_OPMODE, opmode); |
| 6135 | |
| 6136 | /* Now, probe the internal MII for the internal PHY. */ |
| 6137 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
| 6138 | MII_OFFSET_ANY, 0); |
| 6139 | |
| 6140 | /* XXX Figure how to handle the PHY. */ |
| 6141 | |
| 6142 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 6143 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
| 6144 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 6145 | } else { |
| 6146 | sc->sc_flags |= TULIPF_HAS_MII; |
| 6147 | sc->sc_tick = tlp_mii_tick; |
| 6148 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 6149 | } |
| 6150 | |
| 6151 | |
| 6152 | } |
| 6153 | |
| 6154 | static void |
| 6155 | tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) |
| 6156 | { |
| 6157 | |
| 6158 | /* XXX PHY handling. */ |
| 6159 | tlp_mii_getmedia(sc, ifmr); |
| 6160 | } |
| 6161 | |
| 6162 | static int |
| 6163 | tlp_asix_tmsw_setmedia(struct tulip_softc *sc) |
| 6164 | { |
| 6165 | |
| 6166 | /* XXX PHY handling. */ |
| 6167 | return (tlp_mii_setmedia(sc)); |
| 6168 | } |
| 6169 | |
| 6170 | /* |
| 6171 | * RS7112 media switch. Handles only MII attached to the SIO. |
| 6172 | * We only have a PHY at 1. |
| 6173 | */ |
| 6174 | void tlp_rs7112_tmsw_init(struct tulip_softc *); |
| 6175 | |
| 6176 | const struct tulip_mediasw tlp_rs7112_mediasw = { |
| 6177 | tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia |
| 6178 | }; |
| 6179 | |
| 6180 | void |
| 6181 | tlp_rs7112_tmsw_init(struct tulip_softc *sc) |
| 6182 | { |
| 6183 | struct ifnet *ifp = &sc->sc_ethercom.ec_if; |
| 6184 | |
| 6185 | /* |
| 6186 | * We don't attach any media info structures to the ifmedia |
| 6187 | * entries, so if we're using a pre-init function that needs |
| 6188 | * that info, override it to one that doesn't. |
| 6189 | */ |
| 6190 | if (sc->sc_preinit == tlp_2114x_preinit) |
| 6191 | sc->sc_preinit = tlp_2114x_mii_preinit; |
| 6192 | |
| 6193 | sc->sc_mii.mii_ifp = ifp; |
| 6194 | sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; |
| 6195 | sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; |
| 6196 | sc->sc_mii.mii_statchg = sc->sc_statchg; |
| 6197 | ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, |
| 6198 | tlp_mediastatus); |
| 6199 | |
| 6200 | /* |
| 6201 | * The RS7112 reports a PHY at 0 (possibly HomePNA?) |
| 6202 | * and 1 (ethernet). We attach ethernet only. |
| 6203 | */ |
| 6204 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, 1, |
| 6205 | MII_OFFSET_ANY, 0); |
| 6206 | |
| 6207 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 6208 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); |
| 6209 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 6210 | } else { |
| 6211 | sc->sc_flags |= TULIPF_HAS_MII; |
| 6212 | sc->sc_tick = tlp_mii_tick; |
| 6213 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 6214 | } |
| 6215 | } |
| 6216 | |
| 6217 | const char * |
| 6218 | tlp_chip_name(tulip_chip_t t) { |
| 6219 | if ((int)t < 0 || (int)t >= __arraycount(tlp_chip_names)) { |
| 6220 | static char buf[256]; |
| 6221 | (void)snprintf(buf, sizeof(buf), "[unknown 0x%x]" , t); |
| 6222 | return buf; |
| 6223 | } |
| 6224 | return tlp_chip_names[t]; |
| 6225 | } |
| 6226 | |