1 /* $OpenBSD: if_we.c,v 1.11 2003/04/17 03:49:52 drahn Exp $ */ 2 /* $NetBSD: if_we.c,v 1.11 1998/07/05 06:49:14 jonathan Exp $ */ 3 4 /*- 5 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet 43 * adapters. 44 * 45 * Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved. 46 * 47 * Copyright (C) 1993, David Greenman. This software may be used, modified, 48 * copied, distributed, and sold, in both source and binary form provided that 49 * the above copyright and these terms are retained. Under no circumstances is 50 * the author responsible for the proper functioning of this software, nor does 51 * the author assume any responsibility for damages incurred with its use. 52 */ 53 54 /* 55 * Device driver for the Western Digital/SMC 8003 and 8013 series, 56 * and the SMC Elite Ultra (8216). 57 */ 58 59 #include "bpfilter.h" 60 #include "we.h" 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/device.h> 65 #include <sys/socket.h> 66 #include <sys/mbuf.h> 67 #include <sys/syslog.h> 68 69 #include <net/if.h> 70 #include <net/if_dl.h> 71 #include <net/if_types.h> 72 #include <net/if_media.h> 73 74 #ifdef __NetBSD__ 75 #include <net/if_ether.h> 76 #endif 77 78 #ifdef INET 79 #include <netinet/in.h> 80 #include <netinet/in_systm.h> 81 #include <netinet/in_var.h> 82 #include <netinet/ip.h> 83 #ifdef __NetBSD__ 84 #include <netinet/if_inarp.h> 85 #else 86 #include <netinet/if_ether.h> 87 #endif 88 #endif 89 90 #ifdef NS 91 #include <netns/ns.h> 92 #include <netns/ns_if.h> 93 #endif 94 95 #if NBPFILTER > 0 96 #include <net/bpf.h> 97 #include <net/bpfdesc.h> 98 #endif 99 100 #include <machine/bus.h> 101 #include <machine/intr.h> 102 103 #include <dev/isa/isareg.h> 104 #include <dev/isa/isavar.h> 105 106 #include <dev/ic/dp8390reg.h> 107 #include <dev/ic/dp8390var.h> 108 109 #include <dev/isa/if_wereg.h> 110 111 #ifndef __BUS_SPACE_HAS_STREAM_METHODS 112 #define bus_space_read_region_stream_2 bus_space_read_region_2 113 #define bus_space_write_stream_2 bus_space_write_2 114 #define bus_space_write_region_stream_2 bus_space_write_region_2 115 #endif 116 117 struct we_softc { 118 struct dp8390_softc sc_dp8390; 119 120 bus_space_tag_t sc_asict; /* space tag for ASIC */ 121 bus_space_handle_t sc_asich; /* space handle for ASIC */ 122 123 u_int8_t sc_laar_proto; 124 u_int8_t sc_msr_proto; 125 126 u_int8_t sc_type; /* our type */ 127 128 int sc_16bitp; /* are we 16 bit? */ 129 130 void *sc_ih; /* interrupt handle */ 131 }; 132 133 int we_probe(struct device *, void *, void *); 134 void we_attach(struct device *, struct device *, void *); 135 136 struct cfattach we_isa_ca = { 137 sizeof(struct we_softc), we_probe, we_attach 138 }; 139 140 #if NWE_ISAPNP 141 struct cfattach we_isapnp_ca = { 142 sizeof(struct we_softc), we_probe, we_attach 143 }; 144 #endif /* NWE_ISAPNP */ 145 146 #ifdef __NetBSD__ 147 extern struct cfdriver we_cd; 148 #else 149 struct cfdriver we_cd = { 150 NULL, "we", DV_IFNET 151 }; 152 #endif 153 154 const char *we_params(bus_space_tag_t, bus_space_handle_t, u_int8_t *, 155 bus_size_t *, int *, int *); 156 void we_set_media(struct we_softc *, int); 157 158 void we_media_init(struct dp8390_softc *); 159 160 int we_mediachange(struct dp8390_softc *); 161 void we_mediastatus(struct dp8390_softc *, struct ifmediareq *); 162 163 void we_recv_int(struct dp8390_softc *); 164 void we_init_card(struct dp8390_softc *); 165 int we_write_mbuf(struct dp8390_softc *, struct mbuf *, int); 166 int we_ring_copy(struct dp8390_softc *, int, caddr_t, u_short); 167 void we_read_hdr(struct dp8390_softc *, int, struct dp8390_ring *); 168 int we_test_mem(struct dp8390_softc *); 169 170 __inline void we_readmem(struct we_softc *, int, u_int8_t *, int); 171 172 static const int we_584_irq[] = { 173 9, 3, 5, 7, 10, 11, 15, 4, 174 }; 175 #define NWE_584_IRQ (sizeof(we_584_irq) / sizeof(we_584_irq[0])) 176 177 static const int we_790_irq[] = { 178 IRQUNK, 9, 3, 5, 7, 10, 11, 15, 179 }; 180 #define NWE_790_IRQ (sizeof(we_790_irq) / sizeof(we_790_irq[0])) 181 182 /* 183 * Delay needed when switching 16-bit access to shared memory. 184 */ 185 #define WE_DELAY(wsc) delay(3) 186 187 /* 188 * Enable card RAM, and 16-bit access. 189 */ 190 #define WE_MEM_ENABLE(wsc) \ 191 do { \ 192 if ((wsc)->sc_16bitp) \ 193 bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 194 WE_LAAR, (wsc)->sc_laar_proto | WE_LAAR_M16EN); \ 195 bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 196 WE_MSR, wsc->sc_msr_proto | WE_MSR_MENB); \ 197 WE_DELAY((wsc)); \ 198 } while (0) 199 200 /* 201 * Disable card RAM, and 16-bit access. 202 */ 203 #define WE_MEM_DISABLE(wsc) \ 204 do { \ 205 bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 206 WE_MSR, (wsc)->sc_msr_proto); \ 207 if ((wsc)->sc_16bitp) \ 208 bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \ 209 WE_LAAR, (wsc)->sc_laar_proto); \ 210 WE_DELAY((wsc)); \ 211 } while (0) 212 213 int 214 we_probe(parent, match, aux) 215 struct device *parent; 216 void *match, *aux; 217 { 218 struct isa_attach_args *ia = aux; 219 struct cfdata *cf = match; 220 bus_space_tag_t asict, memt; 221 bus_space_handle_t asich, memh; 222 bus_size_t memsize; 223 int asich_valid, memh_valid; 224 int i, is790, rv = 0; 225 u_int8_t x, type; 226 227 asict = ia->ia_iot; 228 memt = ia->ia_memt; 229 230 asich_valid = memh_valid = 0; 231 232 /* Disallow wildcarded i/o addresses. */ 233 if (ia->ia_iobase == -1 /* ISACF_PORT_DEFAULT */) 234 return (0); 235 236 /* Disallow wildcarded mem address. */ 237 if (ia->ia_maddr == -1 /* ISACF_IOMEM_DEFAULT */) 238 return (0); 239 240 /* Attempt to map the device. */ 241 if (!strcmp(parent->dv_cfdata->cf_driver->cd_name, "isapnp") && ia->ia_ioh) 242 asich = ia->ia_ioh; 243 else { 244 if (bus_space_map(asict, ia->ia_iobase, WE_NPORTS, 0, &asich)) 245 goto out; 246 asich_valid = 1; 247 } 248 249 #ifdef TOSH_ETHER 250 bus_space_write_1(asict, asich, WE_MSR, WE_MSR_POW); 251 #endif 252 253 /* 254 * Attempt to do a checksum over the station address PROM. 255 * If it fails, it's probably not a WD/SMC board. There is 256 * a problem with this, though. Some clone WD8003E boards 257 * (e.g. Danpex) won't pass the checksum. In this case, 258 * the checksum byte always seems to be 0. 259 */ 260 for (x = 0, i = 0; i < 8; i++) 261 x += bus_space_read_1(asict, asich, WE_PROM + i); 262 263 if (x != WE_ROM_CHECKSUM_TOTAL) { 264 /* Make sure it's an 8003E clone... */ 265 if (bus_space_read_1(asict, asich, WE_CARD_ID) != 266 WE_TYPE_WD8003E) 267 goto out; 268 269 /* Check the checksum byte. */ 270 if (bus_space_read_1(asict, asich, WE_PROM + 7) != 0) 271 goto out; 272 } 273 274 /* 275 * Reset the card to force it into a known state. 276 */ 277 #ifdef TOSH_ETHER 278 bus_space_write_1(asict, asich, WE_MSR, WE_MSR_RST | WE_MSR_POW); 279 #else 280 bus_space_write_1(asict, asich, WE_MSR, WE_MSR_RST); 281 #endif 282 delay(100); 283 284 bus_space_write_1(asict, asich, WE_MSR, 285 bus_space_read_1(asict, asich, WE_MSR) & ~WE_MSR_RST); 286 287 /* Wait in case the card is reading it's EEPROM. */ 288 delay(5000); 289 290 /* 291 * Get parameters. 292 */ 293 if (we_params(asict, asich, &type, &memsize, NULL, &is790) == NULL) 294 goto out; 295 296 /* Allow user to override probed value. */ 297 if (ia->ia_msize) 298 memsize = ia->ia_msize; 299 300 /* Attempt to map the memory space. */ 301 if (!strcmp(parent->dv_cfdata->cf_driver->cd_name, "isapnp") && ia->ia_memh) 302 memh = ia->ia_memh; 303 else { 304 if (bus_space_map(memt, ia->ia_maddr, memsize, 0, &memh)) 305 goto out; 306 memh_valid = 1; 307 } 308 309 /* 310 * If possible, get the assigned interrupt number from the card 311 * and use it. 312 */ 313 if (is790) { 314 u_int8_t hwr; 315 316 /* Assemble together the encoded interrupt number. */ 317 hwr = bus_space_read_1(asict, asich, WE790_HWR); 318 bus_space_write_1(asict, asich, WE790_HWR, 319 hwr | WE790_HWR_SWH); 320 321 x = bus_space_read_1(asict, asich, WE790_GCR); 322 i = ((x & WE790_GCR_IR2) >> 4) | 323 ((x & (WE790_GCR_IR1|WE790_GCR_IR0)) >> 2); 324 bus_space_write_1(asict, asich, WE790_HWR, 325 hwr & ~WE790_HWR_SWH); 326 327 if (ia->ia_irq != IRQUNK && ia->ia_irq != we_790_irq[i]) 328 printf("%s%d: changing IRQ %d to %d\n", 329 we_cd.cd_name, cf->cf_unit, ia->ia_irq, 330 we_790_irq[i]); 331 ia->ia_irq = we_790_irq[i]; 332 } else if (type & WE_SOFTCONFIG) { 333 /* Assemble together the encoded interrupt number. */ 334 i = (bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_IR2) | 335 ((bus_space_read_1(asict, asich, WE_IRR) & 336 (WE_IRR_IR0 | WE_IRR_IR1)) >> 5); 337 338 if (ia->ia_irq != IRQUNK && ia->ia_irq != we_584_irq[i]) 339 printf("%s%d: changing IRQ %d to %d\n", 340 we_cd.cd_name, cf->cf_unit, ia->ia_irq, 341 we_584_irq[i]); 342 ia->ia_irq = we_584_irq[i]; 343 } 344 345 /* So, we say we've found it! */ 346 ia->ia_iosize = WE_NPORTS; 347 ia->ia_msize = memsize; 348 rv = 1; 349 350 out: 351 if (asich_valid) 352 bus_space_unmap(asict, asich, WE_NPORTS); 353 if (memh_valid) 354 bus_space_unmap(memt, memh, memsize); 355 return (rv); 356 } 357 358 void 359 we_attach(parent, self, aux) 360 struct device *parent, *self; 361 void *aux; 362 { 363 struct we_softc *wsc = (struct we_softc *)self; 364 struct dp8390_softc *sc = &wsc->sc_dp8390; 365 struct isa_attach_args *ia = aux; 366 bus_space_tag_t nict, asict, memt; 367 bus_space_handle_t nich, asich, memh; 368 const char *typestr; 369 u_int8_t x; 370 int i; 371 372 nict = asict = ia->ia_iot; 373 memt = ia->ia_memt; 374 375 /* Map the device. */ 376 if (!strcmp(parent->dv_cfdata->cf_driver->cd_name, "isapnp") && ia->ia_ioh) 377 asich = ia->ia_ioh; 378 else if (bus_space_map(asict, ia->ia_iobase, WE_NPORTS, 0, &asich)) { 379 printf(": can't map nic i/o space\n"); 380 return; 381 } 382 383 if (bus_space_subregion(asict, asich, WE_NIC_OFFSET, WE_NIC_NPORTS, 384 &nich)) { 385 printf(": can't subregion i/o space\n"); 386 return; 387 } 388 389 typestr = we_params(asict, asich, &wsc->sc_type, NULL, 390 &wsc->sc_16bitp, &sc->is790); 391 if (typestr == NULL) { 392 printf(": where did the card go?\n"); 393 return; 394 } 395 396 /* 397 * Map memory space. Note we use the size that might have 398 * been overridden by the user. 399 */ 400 if (!strcmp(parent->dv_cfdata->cf_driver->cd_name, "isapnp") && ia->ia_memh) 401 memh = ia->ia_memh; 402 else if (bus_space_map(memt, ia->ia_maddr, ia->ia_msize, 0, &memh)) { 403 printf(": can't map shared memory\n"); 404 return; 405 } 406 407 /* 408 * Allow user to override 16-bit mode. 8-bit takes precedence. 409 */ 410 if (self->dv_cfdata->cf_flags & WE_FLAGS_FORCE_16BIT_MODE) 411 wsc->sc_16bitp = 1; 412 if (self->dv_cfdata->cf_flags & WE_FLAGS_FORCE_8BIT_MODE) 413 wsc->sc_16bitp = 0; 414 415 wsc->sc_asict = asict; 416 wsc->sc_asich = asich; 417 418 sc->sc_regt = nict; 419 sc->sc_regh = nich; 420 421 sc->sc_buft = memt; 422 sc->sc_bufh = memh; 423 424 /* Interface is always enabled. */ 425 sc->sc_enabled = 1; 426 427 /* Registers are linear. */ 428 for (i = 0; i < 16; i++) 429 sc->sc_reg_map[i] = i; 430 431 /* Now we can use the NIC_{GET,PUT}() macros. */ 432 433 printf(": %s (%s-bit)\n", typestr, wsc->sc_16bitp ? "16" : "8"); 434 435 /* Get station address from EEPROM. */ 436 for (i = 0; i < ETHER_ADDR_LEN; i++) 437 #ifdef __NetBSD__ 438 sc->sc_enaddr[i] = bus_space_read_1(asict, asich, WE_PROM + i); 439 #else 440 sc->sc_arpcom.ac_enaddr[i] = 441 bus_space_read_1(asict, asich, WE_PROM + i); 442 #endif 443 444 /* 445 * Set upper address bits and 8/16 bit access to shared memory. 446 */ 447 if (sc->is790) { 448 wsc->sc_laar_proto = 449 bus_space_read_1(asict, asich, WE_LAAR) & 450 ~WE_LAAR_M16EN; 451 bus_space_write_1(asict, asich, WE_LAAR, 452 wsc->sc_laar_proto | (wsc->sc_16bitp ? WE_LAAR_M16EN : 0)); 453 } else if ((wsc->sc_type & WE_SOFTCONFIG) || 454 #ifdef TOSH_ETHER 455 (wsc->sc_type == WE_TYPE_TOSHIBA1) || 456 (wsc->sc_type == WE_TYPE_TOSHIBA4) || 457 #endif 458 (wsc->sc_type == WE_TYPE_WD8013EBT)) { 459 wsc->sc_laar_proto = (ia->ia_maddr >> 19) & WE_LAAR_ADDRHI; 460 if (wsc->sc_16bitp) 461 wsc->sc_laar_proto |= WE_LAAR_L16EN; 462 bus_space_write_1(asict, asich, WE_LAAR, 463 wsc->sc_laar_proto | (wsc->sc_16bitp ? WE_LAAR_M16EN : 0)); 464 } 465 466 /* 467 * Set address and enable interface shared memory. 468 */ 469 if (sc->is790) { 470 /* XXX MAGIC CONSTANTS XXX */ 471 x = bus_space_read_1(asict, asich, 0x04); 472 bus_space_write_1(asict, asich, 0x04, x | 0x80); 473 bus_space_write_1(asict, asich, 0x0b, 474 ((ia->ia_maddr >> 13) & 0x0f) | 475 ((ia->ia_maddr >> 11) & 0x40) | 476 (bus_space_read_1(asict, asich, 0x0b) & 0xb0)); 477 bus_space_write_1(asict, asich, 0x04, x); 478 wsc->sc_msr_proto = 0x00; 479 sc->cr_proto = 0x00; 480 } else { 481 #ifdef TOSH_ETHER 482 if (wsc->sc_type == WE_TYPE_TOSHIBA1 || 483 wsc->sc_type == WE_TYPE_TOSHIBA4) { 484 bus_space_write_1(asict, asich, WE_MSR + 1, 485 ((ia->ia_maddr >> 8) & 0xe0) | 0x04); 486 bus_space_write_1(asict, asich, WE_MSR + 2, 487 ((ia->ia_maddr >> 16) & 0x0f)); 488 wsc->sc_msr_proto = WE_MSR_POW; 489 } else 490 #endif 491 wsc->sc_msr_proto = (ia->ia_maddr >> 13) & 492 WE_MSR_ADDR; 493 494 sc->cr_proto = ED_CR_RD2; 495 } 496 497 bus_space_write_1(asict, asich, WE_MSR, 498 wsc->sc_msr_proto | WE_MSR_MENB); 499 WE_DELAY(wsc); 500 501 /* 502 * DCR gets: 503 * 504 * FIFO threshold to 8, No auto-init Remote DMA, 505 * byte order=80x86. 506 * 507 * 16-bit cards also get word-wide DMA transfers. 508 */ 509 sc->dcr_reg = ED_DCR_FT1 | ED_DCR_LS | 510 (wsc->sc_16bitp ? ED_DCR_WTS : 0); 511 512 sc->test_mem = we_test_mem; 513 sc->ring_copy = we_ring_copy; 514 sc->write_mbuf = we_write_mbuf; 515 sc->read_hdr = we_read_hdr; 516 sc->recv_int = we_recv_int; 517 518 sc->sc_mediachange = we_mediachange; 519 sc->sc_mediastatus = we_mediastatus; 520 521 sc->mem_start = 0; 522 sc->mem_size = ia->ia_msize; 523 524 sc->sc_flags = self->dv_cfdata->cf_flags; 525 526 /* Do generic parts of attach. */ 527 if (wsc->sc_type & WE_SOFTCONFIG) 528 sc->sc_media_init = we_media_init; 529 else 530 sc->sc_media_init = dp8390_media_init; 531 if (dp8390_config(sc)) { 532 printf("%s: configuration failed\n", sc->sc_dev.dv_xname); 533 return; 534 } 535 536 /* 537 * Disable 16-bit access to shared memory - we leave it disabled 538 * so that: 539 * 540 * (1) machines reboot properly when the board is set to 541 * 16-bit mode and there are conflicting 8-bit devices 542 * within the same 128k address space as this board's 543 * shared memory, and 544 * 545 * (2) so that other 8-bit devices with shared memory 546 * in this same 128k address space will work. 547 */ 548 WE_MEM_DISABLE(wsc); 549 550 /* 551 * Enable the configured interrupt. 552 */ 553 if (sc->is790) 554 bus_space_write_1(asict, asich, WE790_ICR, 555 bus_space_read_1(asict, asich, WE790_ICR) | 556 WE790_ICR_EIL); 557 else if (wsc->sc_type & WE_SOFTCONFIG) 558 bus_space_write_1(asict, asich, WE_IRR, 559 bus_space_read_1(asict, asich, WE_IRR) | WE_IRR_IEN); 560 else if (ia->ia_irq == IRQUNK) { 561 printf("%s: can't wildcard IRQ on a %s\n", 562 sc->sc_dev.dv_xname, typestr); 563 return; 564 } 565 566 /* Establish interrupt handler. */ 567 wsc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 568 IPL_NET, dp8390_intr, sc, sc->sc_dev.dv_xname); 569 if (wsc->sc_ih == NULL) 570 printf("%s: can't establish interrupt\n", sc->sc_dev.dv_xname); 571 } 572 573 int 574 we_test_mem(sc) 575 struct dp8390_softc *sc; 576 { 577 struct we_softc *wsc = (struct we_softc *)sc; 578 bus_space_tag_t memt = sc->sc_buft; 579 bus_space_handle_t memh = sc->sc_bufh; 580 bus_size_t memsize = sc->mem_size; 581 int i; 582 583 if (wsc->sc_16bitp) 584 bus_space_set_region_2(memt, memh, 0, 0, memsize >> 1); 585 else 586 bus_space_set_region_1(memt, memh, 0, 0, memsize); 587 588 if (wsc->sc_16bitp) { 589 for (i = 0; i < memsize; i += 2) { 590 if (bus_space_read_2(memt, memh, i) != 0) 591 goto fail; 592 } 593 } else { 594 for (i = 0; i < memsize; i++) { 595 if (bus_space_read_1(memt, memh, i) != 0) 596 goto fail; 597 } 598 } 599 600 return (0); 601 602 fail: 603 printf("%s: failed to clear shared memory at offset 0x%x\n", 604 sc->sc_dev.dv_xname, i); 605 WE_MEM_DISABLE(wsc); 606 return (1); 607 } 608 609 /* 610 * Given a NIC memory source address and a host memory destination address, 611 * copy 'len' from NIC to host using shared memory. The 'len' is rounded 612 * up to a word - ok as long as mbufs are word-sized. 613 */ 614 __inline void 615 we_readmem(wsc, from, to, len) 616 struct we_softc *wsc; 617 int from; 618 u_int8_t *to; 619 int len; 620 { 621 bus_space_tag_t memt = wsc->sc_dp8390.sc_buft; 622 bus_space_handle_t memh = wsc->sc_dp8390.sc_bufh; 623 624 if (len & 1) 625 ++len; 626 627 if (wsc->sc_16bitp) 628 bus_space_read_region_stream_2(memt, memh, from, 629 (u_int16_t *)to, len >> 1); 630 else 631 bus_space_read_region_1(memt, memh, from, 632 to, len); 633 } 634 635 int 636 we_write_mbuf(sc, m, buf) 637 struct dp8390_softc *sc; 638 struct mbuf *m; 639 int buf; 640 { 641 struct we_softc *wsc = (struct we_softc *)sc; 642 bus_space_tag_t memt = wsc->sc_dp8390.sc_buft; 643 bus_space_handle_t memh = wsc->sc_dp8390.sc_bufh; 644 u_int8_t *data, savebyte[2]; 645 int savelen, len, leftover; 646 #ifdef DIAGNOSTIC 647 u_int8_t *lim; 648 #endif 649 650 savelen = m->m_pkthdr.len; 651 652 WE_MEM_ENABLE(wsc); 653 654 /* 655 * 8-bit boards are simple; no alignment tricks are necessary. 656 */ 657 if (wsc->sc_16bitp == 0) { 658 for (; m != NULL; buf += m->m_len, m = m->m_next) 659 bus_space_write_region_1(memt, memh, 660 buf, mtod(m, u_int8_t *), m->m_len); 661 goto out; 662 } 663 664 /* Start out with no leftover data. */ 665 leftover = 0; 666 savebyte[0] = savebyte[1] = 0; 667 668 for (; m != NULL; m = m->m_next) { 669 len = m->m_len; 670 if (len == 0) 671 continue; 672 data = mtod(m, u_int8_t *); 673 #ifdef DIAGNOSTIC 674 lim = data + len; 675 #endif 676 while (len > 0) { 677 if (leftover) { 678 /* 679 * Data left over (from mbuf or realignment). 680 * Buffer the next byte, and write it and 681 * the leftover data out. 682 */ 683 savebyte[1] = *data++; 684 len--; 685 bus_space_write_stream_2(memt, memh, buf, 686 *(u_int16_t *)savebyte); 687 buf += 2; 688 leftover = 0; 689 #ifdef alpha 690 #define ALIGNED_POINTER(p,t) ((((u_long)(p)) & (sizeof(t)-1)) == 0) 691 #endif 692 } else if (ALIGNED_POINTER(data, u_int16_t) == 0) { 693 /* 694 * Unaligned dta; buffer the next byte. 695 */ 696 savebyte[0] = *data++; 697 len--; 698 leftover = 1; 699 } else { 700 /* 701 * Aligned data; output contiguous words as 702 * much as we can, then buffer the remaining 703 * byte, if any. 704 */ 705 leftover = len & 1; 706 len &= ~1; 707 bus_space_write_region_stream_2(memt, memh, 708 buf, (u_int16_t *)data, len >> 1); 709 data += len; 710 buf += len; 711 if (leftover) 712 savebyte[0] = *data++; 713 len = 0; 714 } 715 } 716 if (len < 0) 717 panic("we_write_mbuf: negative len"); 718 #ifdef DIAGNOSTIC 719 if (data != lim) 720 panic("we_write_mbuf: data != lim"); 721 #endif 722 } 723 if (leftover) { 724 savebyte[1] = 0; 725 bus_space_write_stream_2(memt, memh, buf, 726 *(u_int16_t *)savebyte); 727 } 728 729 out: 730 WE_MEM_DISABLE(wsc); 731 732 return (savelen); 733 } 734 735 int 736 we_ring_copy(sc, src, dst, amount) 737 struct dp8390_softc *sc; 738 int src; 739 caddr_t dst; 740 u_short amount; 741 { 742 struct we_softc *wsc = (struct we_softc *)sc; 743 u_short tmp_amount; 744 745 /* Does copy wrap to lower addr in ring buffer? */ 746 if (src + amount > sc->mem_end) { 747 tmp_amount = sc->mem_end - src; 748 749 /* Copy amount up to end of NIC memory. */ 750 we_readmem(wsc, src, dst, tmp_amount); 751 752 amount -= tmp_amount; 753 src = sc->mem_ring; 754 dst += tmp_amount; 755 } 756 757 we_readmem(wsc, src, dst, amount); 758 759 return (src + amount); 760 } 761 762 void 763 we_read_hdr(sc, packet_ptr, packet_hdrp) 764 struct dp8390_softc *sc; 765 int packet_ptr; 766 struct dp8390_ring *packet_hdrp; 767 { 768 struct we_softc *wsc = (struct we_softc *)sc; 769 770 we_readmem(wsc, packet_ptr, (u_int8_t *)packet_hdrp, 771 sizeof(struct dp8390_ring)); 772 #if BYTE_ORDER == BIG_ENDIAN 773 packet_hdrp->count = swap16(packet_hdrp->count); 774 #endif 775 } 776 777 void 778 we_recv_int(sc) 779 struct dp8390_softc *sc; 780 { 781 struct we_softc *wsc = (struct we_softc *)sc; 782 783 WE_MEM_ENABLE(wsc); 784 dp8390_rint(sc); 785 WE_MEM_DISABLE(wsc); 786 } 787 788 void 789 we_media_init(struct dp8390_softc *sc) 790 { 791 struct we_softc *wsc = (void *)sc; 792 int defmedia = IFM_ETHER; 793 u_int8_t x; 794 795 if (sc->is790) { 796 x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR); 797 bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR, 798 x | WE790_HWR_SWH); 799 if (bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE790_GCR) & 800 WE790_GCR_GPOUT) 801 defmedia |= IFM_10_2; 802 else 803 defmedia |= IFM_10_5; 804 bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE790_HWR, 805 x &~ WE790_HWR_SWH); 806 } else { 807 x = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_IRR); 808 if (x & WE_IRR_OUT2) 809 defmedia |= IFM_10_2; 810 else 811 defmedia |= IFM_10_5; 812 } 813 814 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 815 ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_10_2, 0, NULL); 816 ifmedia_add(&sc->sc_media, IFM_ETHER|IFM_10_5, 0, NULL); 817 ifmedia_set(&sc->sc_media, defmedia); 818 } 819 820 int 821 we_mediachange(sc) 822 struct dp8390_softc *sc; 823 { 824 825 /* 826 * Current media is already set up. Just reset the interface 827 * to let the new value take hold. The new media will be 828 * set up in we_init_card() called via dp8390_init(). 829 */ 830 dp8390_reset(sc); 831 return (0); 832 } 833 834 void 835 we_mediastatus(sc, ifmr) 836 struct dp8390_softc *sc; 837 struct ifmediareq *ifmr; 838 { 839 struct ifmedia *ifm = &sc->sc_media; 840 841 /* 842 * The currently selected media is always the active media. 843 */ 844 ifmr->ifm_active = ifm->ifm_cur->ifm_media; 845 } 846 847 void 848 we_init_card(sc) 849 struct dp8390_softc *sc; 850 { 851 struct we_softc *wsc = (struct we_softc *)sc; 852 struct ifmedia *ifm = &sc->sc_media; 853 854 we_set_media(wsc, ifm->ifm_cur->ifm_media); 855 } 856 857 void 858 we_set_media(wsc, media) 859 struct we_softc *wsc; 860 int media; 861 { 862 struct dp8390_softc *sc = &wsc->sc_dp8390; 863 bus_space_tag_t asict = wsc->sc_asict; 864 bus_space_handle_t asich = wsc->sc_asich; 865 u_int8_t hwr, gcr, irr; 866 867 if (sc->is790) { 868 hwr = bus_space_read_1(asict, asich, WE790_HWR); 869 bus_space_write_1(asict, asich, WE790_HWR, 870 hwr | WE790_HWR_SWH); 871 gcr = bus_space_read_1(asict, asich, WE790_GCR); 872 if (IFM_SUBTYPE(media) == IFM_10_2) 873 gcr |= WE790_GCR_GPOUT; 874 else 875 gcr &= ~WE790_GCR_GPOUT; 876 bus_space_write_1(asict, asich, WE790_GCR, 877 gcr | WE790_GCR_LIT); 878 bus_space_write_1(asict, asich, WE790_HWR, 879 hwr & ~WE790_HWR_SWH); 880 return; 881 } 882 883 irr = bus_space_read_1(wsc->sc_asict, wsc->sc_asich, WE_IRR); 884 if (IFM_SUBTYPE(media) == IFM_10_2) 885 irr |= WE_IRR_OUT2; 886 else 887 irr &= ~WE_IRR_OUT2; 888 bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_IRR, irr); 889 } 890 891 const char * 892 we_params(asict, asich, typep, memsizep, is16bitp, is790p) 893 bus_space_tag_t asict; 894 bus_space_handle_t asich; 895 u_int8_t *typep; 896 bus_size_t *memsizep; 897 int *is16bitp, *is790p; 898 { 899 const char *typestr; 900 bus_size_t memsize; 901 int is16bit, is790; 902 u_int8_t type; 903 904 memsize = 8192; 905 is16bit = is790 = 0; 906 907 type = bus_space_read_1(asict, asich, WE_CARD_ID); 908 switch (type) { 909 case WE_TYPE_WD8003S: 910 typestr = "WD8003S"; 911 break; 912 case WE_TYPE_WD8003E: 913 typestr = "WD8003E"; 914 break; 915 case WE_TYPE_WD8003EB: 916 typestr = "WD8003EB"; 917 break; 918 case WE_TYPE_WD8003W: 919 typestr = "WD8003W"; 920 break; 921 case WE_TYPE_WD8013EBT: 922 typestr = "WD8013EBT"; 923 memsize = 16384; 924 is16bit = 1; 925 break; 926 case WE_TYPE_WD8013W: 927 typestr = "WD8013W"; 928 memsize = 16384; 929 is16bit = 1; 930 break; 931 case WE_TYPE_WD8013EP: /* also WD8003EP */ 932 if (bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_16BIT) { 933 is16bit = 1; 934 memsize = 16384; 935 typestr = "WD8013EP"; 936 } else 937 typestr = "WD8003EP"; 938 break; 939 case WE_TYPE_WD8013WC: 940 typestr = "WD8013WC"; 941 memsize = 16384; 942 is16bit = 1; 943 break; 944 case WE_TYPE_WD8013EBP: 945 typestr = "WD8013EBP"; 946 memsize = 16384; 947 is16bit = 1; 948 break; 949 case WE_TYPE_WD8013EPC: 950 typestr = "WD8013EPC"; 951 memsize = 16384; 952 is16bit = 1; 953 break; 954 case WE_TYPE_SMC8216C: 955 case WE_TYPE_SMC8216T: 956 { 957 u_int8_t hwr; 958 959 typestr = (type == WE_TYPE_SMC8216C) ? 960 "SMC8216/SMC8216C" : "SMC8216T"; 961 962 hwr = bus_space_read_1(asict, asich, WE790_HWR); 963 bus_space_write_1(asict, asich, WE790_HWR, 964 hwr | WE790_HWR_SWH); 965 switch (bus_space_read_1(asict, asich, WE790_RAR) & 966 WE790_RAR_SZ64) { 967 case WE790_RAR_SZ64: 968 memsize = 65536; 969 break; 970 case WE790_RAR_SZ32: 971 memsize = 32768; 972 break; 973 case WE790_RAR_SZ16: 974 memsize = 16384; 975 break; 976 case WE790_RAR_SZ8: 977 /* 8216 has 16K shared mem -- 8416 has 8K */ 978 typestr = (type == WE_TYPE_SMC8216C) ? 979 "SMC8416C/SMC8416BT" : "SMC8416T"; 980 memsize = 8192; 981 break; 982 } 983 bus_space_write_1(asict, asich, WE790_HWR, hwr); 984 985 is16bit = 1; 986 is790 = 1; 987 break; 988 } 989 #ifdef TOSH_ETHER 990 case WE_TYPE_TOSHIBA1: 991 typestr = "Toshiba1"; 992 memsize = 32768; 993 is16bit = 1; 994 break; 995 case WE_TYPE_TOSHIBA4: 996 typestr = "Toshiba4"; 997 memsize = 32768; 998 is16bit = 1; 999 break; 1000 #endif 1001 default: 1002 /* Not one we recognize. */ 1003 return (NULL); 1004 } 1005 1006 /* 1007 * Make some adjustments to initial values depending on what is 1008 * found in the ICR. 1009 */ 1010 if (is16bit && (type != WE_TYPE_WD8013EBT) && 1011 #ifdef TOSH_ETHER 1012 (type != WE_TYPE_TOSHIBA1 && type != WE_TYPE_TOSHIBA4) && 1013 #endif 1014 (bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_16BIT) == 0) { 1015 is16bit = 0; 1016 memsize = 8192; 1017 } 1018 1019 #ifdef WE_DEBUG 1020 { 1021 int i; 1022 1023 printf("we_params: type = 0x%x, typestr = %s, is16bit = %d, " 1024 "memsize = %d\n", type, typestr, is16bit, memsize); 1025 for (i = 0; i < 8; i++) 1026 printf(" %d -> 0x%x\n", i, 1027 bus_space_read_1(asict, asich, i)); 1028 } 1029 #endif 1030 1031 if (typep != NULL) 1032 *typep = type; 1033 if (memsizep != NULL) 1034 *memsizep = memsize; 1035 if (is16bitp != NULL) 1036 *is16bitp = is16bit; 1037 if (is790p != NULL) 1038 *is790p = is790; 1039 return (typestr); 1040 } 1041