mhzc.c revision 1.50.36.1
1 /* $NetBSD: mhzc.c,v 1.50.36.1 2018/06/25 07:26:01 pgoyette 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 1.50.36.1 2018/06/25 07:26:01 pgoyette 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 /*XXXUNCONST*/ 249 sc->sc_ethernet = config_found(self, __UNCONST("sm"), mhzc_print); 250 251 mhzc_disable(sc, MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED); 252 return; 253 254 fail: 255 /* I/O spaces will be freed by detach. */ 256 ; 257 } 258 259 int 260 mhzc_check_cfe(struct mhzc_softc *sc, struct pcmcia_config_entry *cfe) 261 { 262 263 if (cfe->num_memspace != 0) 264 return (0); 265 266 if (cfe->num_iospace != 1) 267 return (0); 268 269 if (pcmcia_io_alloc(sc->sc_pf, 270 cfe->iospace[0].start, 271 cfe->iospace[0].length, 272 cfe->iospace[0].length, 273 &sc->sc_modem_pcioh) == 0) { 274 /* Found one for the modem! */ 275 sc->sc_flags |= MHZC_MODEM_ALLOCED; 276 return (1); 277 } 278 279 return (0); 280 } 281 282 int 283 mhzc_alloc_ethernet(struct mhzc_softc *sc, struct pcmcia_config_entry *cfe) 284 { 285 bus_addr_t addr, maxaddr; 286 287 addr = cfe->iospace[0].start + cfe->iospace[0].length; 288 maxaddr = 0x1000; 289 290 /* 291 * Now round it up so that it starts on a 16-byte boundary. 292 */ 293 addr = roundup(addr, 0x10); 294 295 for (; (addr + 0x10) < maxaddr; addr += 0x10) { 296 if (addr & 0x80) 297 continue; 298 if (pcmcia_io_alloc(sc->sc_pf, addr, 0x10, 0x10, 299 &sc->sc_ethernet_pcioh) == 0) { 300 /* Found one for the ethernet! */ 301 sc->sc_flags |= MHZC_ETHERNET_ALLOCED; 302 return (1); 303 } 304 } 305 306 return (0); 307 } 308 309 int 310 mhzc_print(void *aux, const char *pnp) 311 { 312 const char *name = aux; 313 314 if (pnp) 315 aprint_normal("%s at %s(*)", name, pnp); 316 317 return (UNCONF); 318 } 319 320 void 321 mhzc_childdet(device_t self, device_t child) 322 { 323 struct mhzc_softc *sc = device_private(self); 324 325 if (sc->sc_ethernet == child) 326 sc->sc_ethernet = NULL; 327 if (sc->sc_modem == child) 328 sc->sc_modem = NULL; 329 } 330 331 int 332 mhzc_detach(device_t self, int flags) 333 { 334 struct mhzc_softc *sc = device_private(self); 335 int rv; 336 337 if (sc->sc_ethernet != NULL) { 338 if ((rv = config_detach(sc->sc_ethernet, flags)) != 0) 339 return rv; 340 } 341 342 if (sc->sc_modem != NULL) { 343 if ((rv = config_detach(sc->sc_modem, flags)) != 0) 344 return rv; 345 } 346 347 /* Unmap our i/o windows. */ 348 if (sc->sc_flags & MHZC_MODEM_MAPPED) 349 pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window); 350 if (sc->sc_flags & MHZC_ETHERNET_MAPPED) 351 pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window); 352 353 /* Free our i/o spaces. */ 354 if (sc->sc_flags & MHZC_ETHERNET_ALLOCED) 355 pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh); 356 if (sc->sc_flags & MHZC_MODEM_ALLOCED) 357 pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh); 358 359 sc->sc_flags = 0; 360 361 return 0; 362 } 363 364 int 365 mhzc_intr(void *arg) 366 { 367 struct mhzc_softc *sc = arg; 368 int rval = 0; 369 370 #if NCOM_MHZC > 0 371 if (sc->sc_modem != NULL && 372 (sc->sc_flags & MHZC_MODEM_ENABLED) != 0) 373 rval |= comintr(sc->sc_modem); 374 #endif 375 376 #if NSM_MHZC > 0 377 if (sc->sc_ethernet != NULL && 378 (sc->sc_flags & MHZC_ETHERNET_ENABLED) != 0) 379 rval |= smc91cxx_intr(sc->sc_ethernet); 380 #endif 381 382 return (rval); 383 } 384 385 int 386 mhzc_enable(struct mhzc_softc *sc, int flag) 387 { 388 int error; 389 390 if ((sc->sc_flags & flag) == flag) { 391 printf("%s: already enabled\n", device_xname(sc->sc_dev)); 392 return (0); 393 } 394 395 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) { 396 sc->sc_flags |= flag; 397 return (0); 398 } 399 400 /* 401 * Establish our interrupt handler. 402 * 403 * XXX Note, we establish this at IPL_NET. This is suboptimal 404 * XXX the Modem portion, but is necessary to make the Ethernet 405 * XXX portion have the correct interrupt level semantics. 406 * 407 * XXX Eventually we should use the `enabled' bits in the 408 * XXX flags word to determine which level we should be at. 409 */ 410 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, 411 mhzc_intr, sc); 412 if (!sc->sc_ih) 413 return (EIO); 414 415 error = pcmcia_function_enable(sc->sc_pf); 416 if (error) { 417 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 418 sc->sc_ih = 0; 419 return (error); 420 } 421 422 /* 423 * Perform any special enable magic necessary. 424 */ 425 if (sc->sc_product->mp_enable != NULL && 426 (*sc->sc_product->mp_enable)(sc) != 0) { 427 pcmcia_function_disable(sc->sc_pf); 428 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 429 return (1); 430 } 431 432 sc->sc_flags |= flag; 433 return (0); 434 } 435 436 void 437 mhzc_disable(struct mhzc_softc *sc, int flag) 438 { 439 440 if ((sc->sc_flags & flag) == 0) { 441 printf("%s: already disabled\n", device_xname(sc->sc_dev)); 442 return; 443 } 444 445 sc->sc_flags &= ~flag; 446 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) 447 return; 448 449 pcmcia_function_disable(sc->sc_pf); 450 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 451 sc->sc_ih = 0; 452 } 453 454 /***************************************************************************** 455 * Megahertz EM3336 (and compatibles) support 456 *****************************************************************************/ 457 458 int mhzc_em3336_lannid_ciscallback(struct pcmcia_tuple *, void *); 459 int mhzc_em3336_ascii_enaddr(const char *cisstr, u_int8_t *); 460 461 int 462 mhzc_em3336_enaddr(struct mhzc_softc *sc, u_int8_t *myla) 463 { 464 465 /* Get the station address from CIS tuple 0x81. */ 466 if (pcmcia_scan_cis(device_parent(sc->sc_dev), 467 mhzc_em3336_lannid_ciscallback, myla) != 1) { 468 printf("%s: unable to get Ethernet address from CIS\n", 469 device_xname(sc->sc_dev)); 470 return (0); 471 } 472 473 return (1); 474 } 475 476 int 477 mhzc_em3336_enable(struct mhzc_softc *sc) 478 { 479 struct pcmcia_mem_handle memh; 480 bus_size_t memoff; 481 int memwin, reg; 482 483 /* 484 * Bring the chip to live by touching its registers in the correct 485 * way (as per my reference... the Linux smc91c92_cs.c driver by 486 * David A. Hinds). 487 */ 488 489 /* Map the ISRPOWEREG. */ 490 if (pcmcia_mem_alloc(sc->sc_pf, 0x1000, &memh) != 0) { 491 aprint_error_dev(sc->sc_dev, "unable to allocate memory space\n"); 492 return (1); 493 } 494 495 if (pcmcia_mem_map(sc->sc_pf, PCMCIA_MEM_ATTR, 0, 0x1000, 496 &memh, &memoff, &memwin)) { 497 aprint_error_dev(sc->sc_dev, "unable to map memory space\n"); 498 pcmcia_mem_free(sc->sc_pf, &memh); 499 return (1); 500 } 501 502 /* 503 * The magic sequence: 504 * 505 * - read/write the CCR option register. 506 * - read the ISRPOWEREG 2 times. 507 * - read/write the CCR option register again. 508 */ 509 510 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); 511 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); 512 513 reg = bus_space_read_1(memh.memt, memh.memh, 0x380); 514 delay(5); 515 reg = bus_space_read_1(memh.memt, memh.memh, 0x380); 516 517 tsleep(&mhzc_em3336_enable, PWAIT, "mhz3en", hz * 200 / 1000); 518 519 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); 520 delay(5); 521 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); 522 523 pcmcia_mem_unmap(sc->sc_pf, memwin); 524 pcmcia_mem_free(sc->sc_pf, &memh); 525 526 return (0); 527 } 528 529 int 530 mhzc_em3336_lannid_ciscallback(struct pcmcia_tuple *tuple, void *arg) 531 { 532 u_int8_t *myla = arg, addr_str[ETHER_ADDR_LEN * 2]; 533 int i; 534 535 if (tuple->code == 0x81) { 536 /* 537 * We have a string-encoded address. Length includes 538 * terminating 0xff. 539 */ 540 if (tuple->length != (ETHER_ADDR_LEN * 2) + 1) 541 return (0); 542 543 for (i = 0; i < tuple->length - 1; i++) 544 addr_str[i] = pcmcia_tuple_read_1(tuple, i); 545 546 /* 547 * Decode the string into `myla'. 548 */ 549 return (mhzc_em3336_ascii_enaddr(addr_str, myla)); 550 } 551 return (0); 552 } 553 554 /* XXX This should be shared w/ if_sm_pcmcia.c */ 555 int 556 mhzc_em3336_ascii_enaddr(const char *cisstr, u_int8_t *myla) 557 { 558 u_int8_t digit; 559 int i; 560 561 memset(myla, 0, ETHER_ADDR_LEN); 562 563 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 564 if (cisstr[i] >= '0' && cisstr[i] <= '9') 565 digit |= cisstr[i] - '0'; 566 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 567 digit |= (cisstr[i] - 'a') + 10; 568 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 569 digit |= (cisstr[i] - 'A') + 10; 570 else { 571 /* Bogus digit!! */ 572 return (0); 573 } 574 575 /* Compensate for ordering of digits. */ 576 if (i & 1) { 577 myla[i >> 1] = digit; 578 digit = 0; 579 } else 580 digit <<= 4; 581 } 582 583 return (1); 584 } 585 586 /****** Here begins the com attachment code. ******/ 587 588 #if NCOM_MHZC > 0 589 int com_mhzc_match(device_t, cfdata_t , void *); 590 void com_mhzc_attach(device_t, device_t, void *); 591 int com_mhzc_detach(device_t, int); 592 593 /* No mhzc-specific goo in the softc; it's all in the parent. */ 594 CFATTACH_DECL_NEW(com_mhzc, sizeof(struct com_softc), 595 com_mhzc_match, com_mhzc_attach, com_detach, NULL); 596 597 int com_mhzc_enable(struct com_softc *); 598 void com_mhzc_disable(struct com_softc *); 599 600 int 601 com_mhzc_match(device_t parent, cfdata_t match, void *aux) 602 { 603 extern struct cfdriver com_cd; 604 const char *name = aux; 605 606 /* Device is always present. */ 607 if (strcmp(name, com_cd.cd_name) == 0) 608 return (1); 609 610 return (0); 611 } 612 613 void 614 com_mhzc_attach(device_t parent, device_t self, void *aux) 615 { 616 struct com_softc *sc = device_private(self); 617 struct mhzc_softc *msc = device_private(parent); 618 619 sc->sc_dev = self; 620 aprint_normal("\n"); 621 622 COM_INIT_REGS(sc->sc_regs, 623 msc->sc_modem_pcioh.iot, 624 msc->sc_modem_pcioh.ioh, 625 -1); 626 627 sc->enabled = 1; 628 629 sc->sc_frequency = COM_FREQ; 630 631 sc->enable = com_mhzc_enable; 632 sc->disable = com_mhzc_disable; 633 634 aprint_normal("%s", device_xname(self)); 635 636 com_attach_subr(sc); 637 638 sc->enabled = 0; 639 } 640 641 int 642 com_mhzc_enable(struct com_softc *sc) 643 { 644 645 return (mhzc_enable(device_private(device_parent(sc->sc_dev)), 646 MHZC_MODEM_ENABLED)); 647 } 648 649 void 650 com_mhzc_disable(struct com_softc *sc) 651 { 652 653 mhzc_disable(device_private(device_parent(sc->sc_dev)), 654 MHZC_MODEM_ENABLED); 655 } 656 657 #endif /* NCOM_MHZC > 0 */ 658 659 /****** Here begins the sm attachment code. ******/ 660 661 #if NSM_MHZC > 0 662 int sm_mhzc_match(device_t, cfdata_t, void *); 663 void sm_mhzc_attach(device_t, device_t, void *); 664 665 /* No mhzc-specific goo in the softc; it's all in the parent. */ 666 CFATTACH_DECL_NEW(sm_mhzc, sizeof(struct smc91cxx_softc), 667 sm_mhzc_match, sm_mhzc_attach, smc91cxx_detach, smc91cxx_activate); 668 669 int sm_mhzc_enable(struct smc91cxx_softc *); 670 void sm_mhzc_disable(struct smc91cxx_softc *); 671 672 int 673 sm_mhzc_match(device_t parent, cfdata_t match, void *aux) 674 { 675 extern struct cfdriver sm_cd; 676 const char *name = aux; 677 678 /* Device is always present. */ 679 if (strcmp(name, sm_cd.cd_name) == 0) 680 return (1); 681 682 return (0); 683 } 684 685 void 686 sm_mhzc_attach(device_t parent, device_t self, void *aux) 687 { 688 struct smc91cxx_softc *sc = device_private(self); 689 struct mhzc_softc *msc = device_private(parent); 690 u_int8_t myla[ETHER_ADDR_LEN]; 691 692 aprint_normal("\n"); 693 694 sc->sc_dev = self; 695 sc->sc_bst = msc->sc_ethernet_pcioh.iot; 696 sc->sc_bsh = msc->sc_ethernet_pcioh.ioh; 697 698 sc->sc_enable = sm_mhzc_enable; 699 sc->sc_disable = sm_mhzc_disable; 700 701 if ((*msc->sc_product->mp_enaddr)(msc, myla) != 1) 702 return; 703 704 /* Perform generic initialization. */ 705 smc91cxx_attach(sc, myla); 706 } 707 708 int 709 sm_mhzc_enable(struct smc91cxx_softc *sc) 710 { 711 struct mhzc_softc *xsc = device_private(device_parent(sc->sc_dev)); 712 713 return mhzc_enable(xsc, MHZC_ETHERNET_ENABLED); 714 } 715 716 void 717 sm_mhzc_disable(struct smc91cxx_softc *sc) 718 { 719 struct mhzc_softc *xsc = device_private(device_parent(sc->sc_dev)); 720 721 mhzc_disable(xsc, MHZC_ETHERNET_ENABLED); 722 } 723 724 #endif /* NSM_MHZC > 0 */ 725
Indexes created Sun Oct 26 21:10:03 GMT 2025