mhzc.c revision 1.53
1 /* $NetBSD: mhzc.c,v 1.53 2021/04/24 23:36:58 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2000, 2004 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 Megaherz X-JACK Ethernet/Modem combo cards. 35 * 36 * Many thanks to Chuck Cranor for having the patience to sift through 37 * the Linux smc91c92_cs.c driver to find the magic details to get this 38 * working! 39 */ 40 41 #include <sys/cdefs.h> 42 __KERNEL_RCSID(0, "$NetBSD: mhzc.c,v 1.53 2021/04/24 23:36:58 thorpej Exp $"); 43 44 #include "opt_inet.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/mbuf.h> 49 #include <sys/socket.h> 50 #include <sys/ioctl.h> 51 #include <sys/errno.h> 52 #include <sys/syslog.h> 53 #include <sys/select.h> 54 #include <sys/tty.h> 55 #include <sys/device.h> 56 #include <sys/kernel.h> 57 #include <sys/proc.h> 58 59 #include <net/if.h> 60 #include <net/if_dl.h> 61 #include <net/if_ether.h> 62 #include <net/if_media.h> 63 #include <net/bpf.h> 64 65 #ifdef INET 66 #include <netinet/in.h> 67 #include <netinet/in_systm.h> 68 #include <netinet/in_var.h> 69 #include <netinet/ip.h> 70 #include <netinet/if_inarp.h> 71 #endif 72 73 #include <sys/intr.h> 74 #include <sys/bus.h> 75 76 #include <dev/ic/comreg.h> 77 #include <dev/ic/comvar.h> 78 79 #include <dev/mii/mii.h> 80 #include <dev/mii/miivar.h> 81 82 #include <dev/ic/smc91cxxreg.h> 83 #include <dev/ic/smc91cxxvar.h> 84 85 #include <dev/pcmcia/pcmciareg.h> 86 #include <dev/pcmcia/pcmciavar.h> 87 #include <dev/pcmcia/pcmciadevs.h> 88 89 #include "mhzc.h" 90 91 struct mhzc_softc { 92 device_t sc_dev; /* generic device glue */ 93 94 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 95 void *sc_ih; /* interrupt handle */ 96 97 const struct mhzc_product *sc_product; 98 99 /* 100 * Data for the Modem portion. 101 */ 102 device_t sc_modem; 103 struct pcmcia_io_handle sc_modem_pcioh; 104 int sc_modem_io_window; 105 106 /* 107 * Data for the Ethernet portion. 108 */ 109 device_t sc_ethernet; 110 struct pcmcia_io_handle sc_ethernet_pcioh; 111 int sc_ethernet_io_window; 112 113 int sc_flags; 114 }; 115 116 /* sc_flags */ 117 #define MHZC_MODEM_MAPPED 0x01 118 #define MHZC_ETHERNET_MAPPED 0x02 119 #define MHZC_MODEM_ENABLED 0x04 120 #define MHZC_ETHERNET_ENABLED 0x08 121 #define MHZC_MODEM_ALLOCED 0x10 122 #define MHZC_ETHERNET_ALLOCED 0x20 123 124 int mhzc_match(device_t, cfdata_t, void *); 125 void mhzc_attach(device_t, device_t, void *); 126 void mhzc_childdet(device_t, device_t); 127 int mhzc_detach(device_t, int); 128 129 CFATTACH_DECL2_NEW(mhzc, sizeof(struct mhzc_softc), 130 mhzc_match, mhzc_attach, mhzc_detach, NULL, NULL, mhzc_childdet); 131 132 int mhzc_em3336_enaddr(struct mhzc_softc *, u_int8_t *); 133 int mhzc_em3336_enable(struct mhzc_softc *); 134 135 const struct mhzc_product { 136 struct pcmcia_product mp_product; 137 138 /* Get the Ethernet address for this card. */ 139 int (*mp_enaddr)(struct mhzc_softc *, u_int8_t *); 140 141 /* Perform any special `enable' magic. */ 142 int (*mp_enable)(struct mhzc_softc *); 143 } mhzc_products[] = { 144 { { PCMCIA_VENDOR_MEGAHERTZ, PCMCIA_PRODUCT_MEGAHERTZ_EM3336, 145 PCMCIA_CIS_INVALID }, 146 mhzc_em3336_enaddr, mhzc_em3336_enable }, 147 }; 148 static const size_t mhzc_nproducts = 149 sizeof(mhzc_products) / sizeof(mhzc_products[0]); 150 151 int mhzc_print(void *, const char *); 152 153 int mhzc_check_cfe(struct mhzc_softc *, struct pcmcia_config_entry *); 154 int mhzc_alloc_ethernet(struct mhzc_softc *, struct pcmcia_config_entry *); 155 156 int mhzc_enable(struct mhzc_softc *, int); 157 void mhzc_disable(struct mhzc_softc *, int); 158 159 int mhzc_intr(void *); 160 161 int 162 mhzc_match(device_t parent, cfdata_t match, void *aux) 163 { 164 struct pcmcia_attach_args *pa = aux; 165 166 if (pcmcia_product_lookup(pa, mhzc_products, mhzc_nproducts, 167 sizeof(mhzc_products[0]), NULL)) 168 return (2); /* beat `com' */ 169 return (0); 170 } 171 172 void 173 mhzc_attach(device_t parent, device_t self, void *aux) 174 { 175 struct mhzc_softc *sc = device_private(self); 176 struct pcmcia_attach_args *pa = aux; 177 struct pcmcia_config_entry *cfe; 178 int error; 179 180 sc->sc_dev = self; 181 sc->sc_pf = pa->pf; 182 183 sc->sc_product = pcmcia_product_lookup(pa, mhzc_products, 184 mhzc_nproducts, sizeof(mhzc_products[0]), NULL); 185 if (!sc->sc_product) 186 panic("mhzc_attach: impossible"); 187 188 /* 189 * The address decoders on these cards are wacky. The configuration 190 * entries are set up to look like serial ports, and have no 191 * information about the Ethernet portion. In order to talk to 192 * the Modem portion, the I/O address must have bit 0x80 set. 193 * In order to talk to the Ethernet portion, the I/O address must 194 * have the 0x80 bit clear. 195 * 196 * The standard configuration entries conveniently have 0x80 set 197 * in them, and have a length of 8 (a 16550's size, convenient!), 198 * so we use those to set up the Modem portion. 199 * 200 * Once we have the Modem's address established, we search for 201 * an address suitable for the Ethernet portion. We do this by 202 * rounding up to the next 16-byte aligned address where 0x80 203 * isn't set (the SMC Ethernet chip has a 16-byte address size) 204 * and attemping to allocate a 16-byte region until we succeed. 205 * 206 * Sure would have been nice if Megahertz had made the card a 207 * proper multi-function device. 208 */ 209 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 210 if (mhzc_check_cfe(sc, cfe)) { 211 /* Found one! */ 212 break; 213 } 214 } 215 if (cfe == NULL) { 216 aprint_error_dev(self, "unable to find suitable config table entry\n"); 217 goto fail; 218 } 219 220 if (mhzc_alloc_ethernet(sc, cfe) == 0) { 221 aprint_error_dev(self, "unable to allocate space for Ethernet portion\n"); 222 goto fail; 223 } 224 225 /* Enable the card. */ 226 pcmcia_function_init(pa->pf, cfe); 227 228 if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_IO8, &sc->sc_modem_pcioh, 229 &sc->sc_modem_io_window)) { 230 aprint_error_dev(sc->sc_dev, "unable to map I/O space\n"); 231 goto fail; 232 } 233 sc->sc_flags |= MHZC_MODEM_MAPPED; 234 235 if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_AUTO, &sc->sc_ethernet_pcioh, 236 &sc->sc_ethernet_io_window)) { 237 aprint_error_dev(sc->sc_dev, "unable to map I/O space\n"); 238 goto fail; 239 } 240 sc->sc_flags |= MHZC_ETHERNET_MAPPED; 241 242 error = mhzc_enable(sc, MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED); 243 if (error) 244 goto fail; 245 246 /*XXXUNCONST*/ 247 sc->sc_modem = config_found(self, __UNCONST("com"), mhzc_print, 248 CFARG_EOL); 249 /*XXXUNCONST*/ 250 sc->sc_ethernet = config_found(self, __UNCONST("sm"), mhzc_print, 251 CFARG_EOL); 252 253 mhzc_disable(sc, MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED); 254 return; 255 256 fail: 257 /* I/O spaces will be freed by detach. */ 258 ; 259 } 260 261 int 262 mhzc_check_cfe(struct mhzc_softc *sc, struct pcmcia_config_entry *cfe) 263 { 264 265 if (cfe->num_memspace != 0) 266 return (0); 267 268 if (cfe->num_iospace != 1) 269 return (0); 270 271 if (pcmcia_io_alloc(sc->sc_pf, 272 cfe->iospace[0].start, 273 cfe->iospace[0].length, 274 cfe->iospace[0].length, 275 &sc->sc_modem_pcioh) == 0) { 276 /* Found one for the modem! */ 277 sc->sc_flags |= MHZC_MODEM_ALLOCED; 278 return (1); 279 } 280 281 return (0); 282 } 283 284 int 285 mhzc_alloc_ethernet(struct mhzc_softc *sc, struct pcmcia_config_entry *cfe) 286 { 287 bus_addr_t addr, maxaddr; 288 289 addr = cfe->iospace[0].start + cfe->iospace[0].length; 290 maxaddr = 0x1000; 291 292 /* 293 * Now round it up so that it starts on a 16-byte boundary. 294 */ 295 addr = roundup(addr, 0x10); 296 297 for (; (addr + 0x10) < maxaddr; addr += 0x10) { 298 if (addr & 0x80) 299 continue; 300 if (pcmcia_io_alloc(sc->sc_pf, addr, 0x10, 0x10, 301 &sc->sc_ethernet_pcioh) == 0) { 302 /* Found one for the ethernet! */ 303 sc->sc_flags |= MHZC_ETHERNET_ALLOCED; 304 return (1); 305 } 306 } 307 308 return (0); 309 } 310 311 int 312 mhzc_print(void *aux, const char *pnp) 313 { 314 const char *name = aux; 315 316 if (pnp) 317 aprint_normal("%s at %s(*)", name, pnp); 318 319 return (UNCONF); 320 } 321 322 void 323 mhzc_childdet(device_t self, device_t child) 324 { 325 struct mhzc_softc *sc = device_private(self); 326 327 if (sc->sc_ethernet == child) 328 sc->sc_ethernet = NULL; 329 if (sc->sc_modem == child) 330 sc->sc_modem = NULL; 331 } 332 333 int 334 mhzc_detach(device_t self, int flags) 335 { 336 struct mhzc_softc *sc = device_private(self); 337 int rv; 338 339 if (sc->sc_ethernet != NULL) { 340 if ((rv = config_detach(sc->sc_ethernet, flags)) != 0) 341 return rv; 342 } 343 344 if (sc->sc_modem != NULL) { 345 if ((rv = config_detach(sc->sc_modem, flags)) != 0) 346 return rv; 347 } 348 349 /* Unmap our i/o windows. */ 350 if (sc->sc_flags & MHZC_MODEM_MAPPED) 351 pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window); 352 if (sc->sc_flags & MHZC_ETHERNET_MAPPED) 353 pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window); 354 355 /* Free our i/o spaces. */ 356 if (sc->sc_flags & MHZC_ETHERNET_ALLOCED) 357 pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh); 358 if (sc->sc_flags & MHZC_MODEM_ALLOCED) 359 pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh); 360 361 sc->sc_flags = 0; 362 363 return 0; 364 } 365 366 int 367 mhzc_intr(void *arg) 368 { 369 struct mhzc_softc *sc = arg; 370 int rval = 0; 371 372 #if NCOM_MHZC > 0 373 if (sc->sc_modem != NULL && 374 (sc->sc_flags & MHZC_MODEM_ENABLED) != 0) 375 rval |= comintr(sc->sc_modem); 376 #endif 377 378 #if NSM_MHZC > 0 379 if (sc->sc_ethernet != NULL && 380 (sc->sc_flags & MHZC_ETHERNET_ENABLED) != 0) 381 rval |= smc91cxx_intr(sc->sc_ethernet); 382 #endif 383 384 return (rval); 385 } 386 387 int 388 mhzc_enable(struct mhzc_softc *sc, int flag) 389 { 390 int error; 391 392 if ((sc->sc_flags & flag) == flag) { 393 printf("%s: already enabled\n", device_xname(sc->sc_dev)); 394 return (0); 395 } 396 397 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) { 398 sc->sc_flags |= flag; 399 return (0); 400 } 401 402 /* 403 * Establish our interrupt handler. 404 * 405 * XXX Note, we establish this at IPL_NET. This is suboptimal 406 * XXX the Modem portion, but is necessary to make the Ethernet 407 * XXX portion have the correct interrupt level semantics. 408 * 409 * XXX Eventually we should use the `enabled' bits in the 410 * XXX flags word to determine which level we should be at. 411 */ 412 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, 413 mhzc_intr, sc); 414 if (!sc->sc_ih) 415 return (EIO); 416 417 error = pcmcia_function_enable(sc->sc_pf); 418 if (error) { 419 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 420 sc->sc_ih = 0; 421 return (error); 422 } 423 424 /* 425 * Perform any special enable magic necessary. 426 */ 427 if (sc->sc_product->mp_enable != NULL && 428 (*sc->sc_product->mp_enable)(sc) != 0) { 429 pcmcia_function_disable(sc->sc_pf); 430 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 431 return (1); 432 } 433 434 sc->sc_flags |= flag; 435 return (0); 436 } 437 438 void 439 mhzc_disable(struct mhzc_softc *sc, int flag) 440 { 441 442 if ((sc->sc_flags & flag) == 0) { 443 printf("%s: already disabled\n", device_xname(sc->sc_dev)); 444 return; 445 } 446 447 sc->sc_flags &= ~flag; 448 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) 449 return; 450 451 pcmcia_function_disable(sc->sc_pf); 452 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 453 sc->sc_ih = 0; 454 } 455 456 /***************************************************************************** 457 * Megahertz EM3336 (and compatibles) support 458 *****************************************************************************/ 459 460 int mhzc_em3336_lannid_ciscallback(struct pcmcia_tuple *, void *); 461 int mhzc_em3336_ascii_enaddr(const char *cisstr, u_int8_t *); 462 463 int 464 mhzc_em3336_enaddr(struct mhzc_softc *sc, u_int8_t *myla) 465 { 466 467 /* Get the station address from CIS tuple 0x81. */ 468 if (pcmcia_scan_cis(device_parent(sc->sc_dev), 469 mhzc_em3336_lannid_ciscallback, myla) != 1) { 470 printf("%s: unable to get Ethernet address from CIS\n", 471 device_xname(sc->sc_dev)); 472 return (0); 473 } 474 475 return (1); 476 } 477 478 int 479 mhzc_em3336_enable(struct mhzc_softc *sc) 480 { 481 struct pcmcia_mem_handle memh; 482 bus_size_t memoff; 483 int memwin, reg; 484 485 /* 486 * Bring the chip to live by touching its registers in the correct 487 * way (as per my reference... the Linux smc91c92_cs.c driver by 488 * David A. Hinds). 489 */ 490 491 /* Map the ISRPOWEREG. */ 492 if (pcmcia_mem_alloc(sc->sc_pf, 0x1000, &memh) != 0) { 493 aprint_error_dev(sc->sc_dev, "unable to allocate memory space\n"); 494 return (1); 495 } 496 497 if (pcmcia_mem_map(sc->sc_pf, PCMCIA_MEM_ATTR, 0, 0x1000, 498 &memh, &memoff, &memwin)) { 499 aprint_error_dev(sc->sc_dev, "unable to map memory space\n"); 500 pcmcia_mem_free(sc->sc_pf, &memh); 501 return (1); 502 } 503 504 /* 505 * The magic sequence: 506 * 507 * - read/write the CCR option register. 508 * - read the ISRPOWEREG 2 times. 509 * - read/write the CCR option register again. 510 */ 511 512 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); 513 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); 514 515 reg = bus_space_read_1(memh.memt, memh.memh, 0x380); 516 delay(5); 517 reg = bus_space_read_1(memh.memt, memh.memh, 0x380); 518 519 tsleep(&mhzc_em3336_enable, PWAIT, "mhz3en", hz * 200 / 1000); 520 521 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); 522 delay(5); 523 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); 524 525 pcmcia_mem_unmap(sc->sc_pf, memwin); 526 pcmcia_mem_free(sc->sc_pf, &memh); 527 528 return (0); 529 } 530 531 int 532 mhzc_em3336_lannid_ciscallback(struct pcmcia_tuple *tuple, void *arg) 533 { 534 u_int8_t *myla = arg, addr_str[ETHER_ADDR_LEN * 2]; 535 int i; 536 537 if (tuple->code == 0x81) { 538 /* 539 * We have a string-encoded address. Length includes 540 * terminating 0xff. 541 */ 542 if (tuple->length != (ETHER_ADDR_LEN * 2) + 1) 543 return (0); 544 545 for (i = 0; i < tuple->length - 1; i++) 546 addr_str[i] = pcmcia_tuple_read_1(tuple, i); 547 548 /* 549 * Decode the string into `myla'. 550 */ 551 return (mhzc_em3336_ascii_enaddr(addr_str, myla)); 552 } 553 return (0); 554 } 555 556 /* XXX This should be shared w/ if_sm_pcmcia.c */ 557 int 558 mhzc_em3336_ascii_enaddr(const char *cisstr, u_int8_t *myla) 559 { 560 u_int8_t digit; 561 int i; 562 563 memset(myla, 0, ETHER_ADDR_LEN); 564 565 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 566 if (cisstr[i] >= '0' && cisstr[i] <= '9') 567 digit |= cisstr[i] - '0'; 568 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 569 digit |= (cisstr[i] - 'a') + 10; 570 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 571 digit |= (cisstr[i] - 'A') + 10; 572 else { 573 /* Bogus digit!! */ 574 return (0); 575 } 576 577 /* Compensate for ordering of digits. */ 578 if (i & 1) { 579 myla[i >> 1] = digit; 580 digit = 0; 581 } else 582 digit <<= 4; 583 } 584 585 return (1); 586 } 587 588 /****** Here begins the com attachment code. ******/ 589 590 #if NCOM_MHZC > 0 591 int com_mhzc_match(device_t, cfdata_t , void *); 592 void com_mhzc_attach(device_t, device_t, void *); 593 int com_mhzc_detach(device_t, int); 594 595 /* No mhzc-specific goo in the softc; it's all in the parent. */ 596 CFATTACH_DECL_NEW(com_mhzc, sizeof(struct com_softc), 597 com_mhzc_match, com_mhzc_attach, com_detach, NULL); 598 599 int com_mhzc_enable(struct com_softc *); 600 void com_mhzc_disable(struct com_softc *); 601 602 int 603 com_mhzc_match(device_t parent, cfdata_t match, void *aux) 604 { 605 extern struct cfdriver com_cd; 606 const char *name = aux; 607 608 /* Device is always present. */ 609 if (strcmp(name, com_cd.cd_name) == 0) 610 return (1); 611 612 return (0); 613 } 614 615 void 616 com_mhzc_attach(device_t parent, device_t self, void *aux) 617 { 618 struct com_softc *sc = device_private(self); 619 struct mhzc_softc *msc = device_private(parent); 620 621 sc->sc_dev = self; 622 aprint_normal("\n"); 623 624 com_init_regs(&sc->sc_regs, 625 msc->sc_modem_pcioh.iot, 626 msc->sc_modem_pcioh.ioh, 627 -1); 628 629 sc->enabled = 1; 630 631 sc->sc_frequency = COM_FREQ; 632 633 sc->enable = com_mhzc_enable; 634 sc->disable = com_mhzc_disable; 635 636 aprint_normal("%s", device_xname(self)); 637 638 com_attach_subr(sc); 639 640 sc->enabled = 0; 641 } 642 643 int 644 com_mhzc_enable(struct com_softc *sc) 645 { 646 647 return (mhzc_enable(device_private(device_parent(sc->sc_dev)), 648 MHZC_MODEM_ENABLED)); 649 } 650 651 void 652 com_mhzc_disable(struct com_softc *sc) 653 { 654 655 mhzc_disable(device_private(device_parent(sc->sc_dev)), 656 MHZC_MODEM_ENABLED); 657 } 658 659 #endif /* NCOM_MHZC > 0 */ 660 661 /****** Here begins the sm attachment code. ******/ 662 663 #if NSM_MHZC > 0 664 int sm_mhzc_match(device_t, cfdata_t, void *); 665 void sm_mhzc_attach(device_t, device_t, void *); 666 667 /* No mhzc-specific goo in the softc; it's all in the parent. */ 668 CFATTACH_DECL_NEW(sm_mhzc, sizeof(struct smc91cxx_softc), 669 sm_mhzc_match, sm_mhzc_attach, smc91cxx_detach, smc91cxx_activate); 670 671 int sm_mhzc_enable(struct smc91cxx_softc *); 672 void sm_mhzc_disable(struct smc91cxx_softc *); 673 674 int 675 sm_mhzc_match(device_t parent, cfdata_t match, void *aux) 676 { 677 extern struct cfdriver sm_cd; 678 const char *name = aux; 679 680 /* Device is always present. */ 681 if (strcmp(name, sm_cd.cd_name) == 0) 682 return (1); 683 684 return (0); 685 } 686 687 void 688 sm_mhzc_attach(device_t parent, device_t self, void *aux) 689 { 690 struct smc91cxx_softc *sc = device_private(self); 691 struct mhzc_softc *msc = device_private(parent); 692 u_int8_t myla[ETHER_ADDR_LEN]; 693 694 aprint_normal("\n"); 695 696 sc->sc_dev = self; 697 sc->sc_bst = msc->sc_ethernet_pcioh.iot; 698 sc->sc_bsh = msc->sc_ethernet_pcioh.ioh; 699 700 sc->sc_enable = sm_mhzc_enable; 701 sc->sc_disable = sm_mhzc_disable; 702 703 if ((*msc->sc_product->mp_enaddr)(msc, myla) != 1) 704 return; 705 706 /* Perform generic initialization. */ 707 smc91cxx_attach(sc, myla); 708 } 709 710 int 711 sm_mhzc_enable(struct smc91cxx_softc *sc) 712 { 713 struct mhzc_softc *xsc = device_private(device_parent(sc->sc_dev)); 714 715 return mhzc_enable(xsc, MHZC_ETHERNET_ENABLED); 716 } 717 718 void 719 sm_mhzc_disable(struct smc91cxx_softc *sc) 720 { 721 struct mhzc_softc *xsc = device_private(device_parent(sc->sc_dev)); 722 723 mhzc_disable(xsc, MHZC_ETHERNET_ENABLED); 724 } 725 726 #endif /* NSM_MHZC > 0 */ 727
Indexes created Sat Oct 25 10:09:55 GMT 2025