mhzc.c revision 1.29.4.1
1 /* $NetBSD: mhzc.c,v 1.29.4.1 2005/04/29 11:29:13 kent 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Megaherz X-JACK Ethernet/Modem combo cards. 42 * 43 * Many thanks to Chuck Cranor for having the patience to sift through 44 * the Linux smc91c92_cs.c driver to find the magic details to get this 45 * working! 46 */ 47 48 #include <sys/cdefs.h> 49 __KERNEL_RCSID(0, "$NetBSD: mhzc.c,v 1.29.4.1 2005/04/29 11:29:13 kent Exp $"); 50 51 #include "opt_inet.h" 52 #include "opt_ns.h" 53 #include "bpfilter.h" 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/mbuf.h> 58 #include <sys/socket.h> 59 #include <sys/ioctl.h> 60 #include <sys/errno.h> 61 #include <sys/syslog.h> 62 #include <sys/select.h> 63 #include <sys/tty.h> 64 #include <sys/device.h> 65 #include <sys/kernel.h> 66 #include <sys/proc.h> 67 68 #include <net/if.h> 69 #include <net/if_dl.h> 70 #include <net/if_ether.h> 71 #include <net/if_media.h> 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/in_systm.h> 76 #include <netinet/in_var.h> 77 #include <netinet/ip.h> 78 #include <netinet/if_inarp.h> 79 #endif 80 81 #ifdef NS 82 #include <netns/ns.h> 83 #include <netns/ns_if.h> 84 #endif 85 86 #if NBPFILTER > 0 87 #include <net/bpf.h> 88 #include <net/bpfdesc.h> 89 #endif 90 91 #include <machine/intr.h> 92 #include <machine/bus.h> 93 94 #include <dev/ic/comreg.h> 95 #include <dev/ic/comvar.h> 96 97 #include <dev/mii/mii.h> 98 #include <dev/mii/miivar.h> 99 100 #include <dev/ic/smc91cxxreg.h> 101 #include <dev/ic/smc91cxxvar.h> 102 103 #include <dev/pcmcia/pcmciareg.h> 104 #include <dev/pcmcia/pcmciavar.h> 105 #include <dev/pcmcia/pcmciadevs.h> 106 107 #include "mhzc.h" 108 109 struct mhzc_softc { 110 struct device sc_dev; /* generic device glue */ 111 112 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 113 void *sc_ih; /* interrupt handle */ 114 115 const struct mhzc_product *sc_product; 116 117 /* 118 * Data for the Modem portion. 119 */ 120 struct device *sc_modem; 121 struct pcmcia_io_handle sc_modem_pcioh; 122 int sc_modem_io_window; 123 124 /* 125 * Data for the Ethernet portion. 126 */ 127 struct device *sc_ethernet; 128 struct pcmcia_io_handle sc_ethernet_pcioh; 129 int sc_ethernet_io_window; 130 131 int sc_flags; 132 }; 133 134 /* sc_flags */ 135 #define MHZC_MODEM_MAPPED 0x01 136 #define MHZC_ETHERNET_MAPPED 0x02 137 #define MHZC_MODEM_ENABLED 0x04 138 #define MHZC_ETHERNET_ENABLED 0x08 139 #define MHZC_MODEM_ALLOCED 0x10 140 #define MHZC_ETHERNET_ALLOCED 0x20 141 142 int mhzc_match(struct device *, struct cfdata *, void *); 143 void mhzc_attach(struct device *, struct device *, void *); 144 int mhzc_detach(struct device *, int); 145 int mhzc_activate(struct device *, enum devact); 146 147 CFATTACH_DECL(mhzc, sizeof(struct mhzc_softc), 148 mhzc_match, mhzc_attach, mhzc_detach, mhzc_activate); 149 150 int mhzc_em3336_enaddr(struct mhzc_softc *, u_int8_t *); 151 int mhzc_em3336_enable(struct mhzc_softc *); 152 153 const struct mhzc_product { 154 struct pcmcia_product mp_product; 155 156 /* Get the Ethernet address for this card. */ 157 int (*mp_enaddr)(struct mhzc_softc *, u_int8_t *); 158 159 /* Perform any special `enable' magic. */ 160 int (*mp_enable)(struct mhzc_softc *); 161 } mhzc_products[] = { 162 { { PCMCIA_VENDOR_MEGAHERTZ, PCMCIA_PRODUCT_MEGAHERTZ_EM3336, 163 PCMCIA_CIS_INVALID }, 164 mhzc_em3336_enaddr, mhzc_em3336_enable }, 165 }; 166 static const size_t mhzc_nproducts = 167 sizeof(mhzc_products) / sizeof(mhzc_products[0]); 168 169 int mhzc_print(void *, const char *); 170 171 int mhzc_check_cfe(struct mhzc_softc *, struct pcmcia_config_entry *); 172 int mhzc_alloc_ethernet(struct mhzc_softc *, struct pcmcia_config_entry *); 173 174 int mhzc_enable(struct mhzc_softc *, int); 175 void mhzc_disable(struct mhzc_softc *, int); 176 177 int mhzc_intr(void *); 178 179 int 180 mhzc_match(parent, match, aux) 181 struct device *parent; 182 struct cfdata *match; 183 void *aux; 184 { 185 struct pcmcia_attach_args *pa = aux; 186 187 if (pcmcia_product_lookup(pa, mhzc_products, mhzc_nproducts, 188 sizeof(mhzc_products[0]), NULL)) 189 return (2); /* beat `com' */ 190 return (0); 191 } 192 193 void 194 mhzc_attach(parent, self, aux) 195 struct device *parent, *self; 196 void *aux; 197 { 198 struct mhzc_softc *sc = (void *)self; 199 struct pcmcia_attach_args *pa = aux; 200 struct pcmcia_config_entry *cfe; 201 int error; 202 203 sc->sc_pf = pa->pf; 204 205 sc->sc_product = pcmcia_product_lookup(pa, mhzc_products, 206 mhzc_nproducts, sizeof(mhzc_products[0]), NULL); 207 if (!sc->sc_product) 208 panic("mhzc_attach: impossible"); 209 210 /* 211 * The address decoders on these cards are wacky. The configuration 212 * entries are set up to look like serial ports, and have no 213 * information about the Ethernet portion. In order to talk to 214 * the Modem portion, the I/O address must have bit 0x80 set. 215 * In order to talk to the Ethernet portion, the I/O address must 216 * have the 0x80 bit clear. 217 * 218 * The standard configuration entries conveniently have 0x80 set 219 * in them, and have a length of 8 (a 16550's size, convenient!), 220 * so we use those to set up the Modem portion. 221 * 222 * Once we have the Modem's address established, we search for 223 * an address suitable for the Ethernet portion. We do this by 224 * rounding up to the next 16-byte aligned address where 0x80 225 * isn't set (the SMC Ethernet chip has a 16-byte address size) 226 * and attemping to allocate a 16-byte region until we succeed. 227 * 228 * Sure would have been nice if Megahertz had made the card a 229 * proper multi-function device. 230 */ 231 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 232 if (mhzc_check_cfe(sc, cfe)) { 233 /* Found one! */ 234 break; 235 } 236 } 237 if (cfe == NULL) { 238 aprint_error("%s: unable to find suitable config table entry\n", 239 self->dv_xname); 240 goto fail; 241 } 242 243 if (mhzc_alloc_ethernet(sc, cfe) == 0) { 244 aprint_error("%s: unable to allocate space for Ethernet portion\n", 245 self->dv_xname); 246 goto fail; 247 } 248 249 /* Enable the card. */ 250 pcmcia_function_init(pa->pf, cfe); 251 252 if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_IO8, &sc->sc_modem_pcioh, 253 &sc->sc_modem_io_window)) { 254 aprint_error("%s: unable to map I/O space\n", 255 sc->sc_dev.dv_xname); 256 goto fail; 257 } 258 sc->sc_flags |= MHZC_MODEM_MAPPED; 259 260 if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_AUTO, &sc->sc_ethernet_pcioh, 261 &sc->sc_ethernet_io_window)) { 262 aprint_error("%s: unable to map I/O space\n", 263 sc->sc_dev.dv_xname); 264 goto fail; 265 } 266 sc->sc_flags |= MHZC_ETHERNET_MAPPED; 267 268 error = mhzc_enable(sc, MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED); 269 if (error) 270 goto fail; 271 272 sc->sc_modem = config_found(self, "com", mhzc_print); 273 sc->sc_ethernet = config_found(self, "sm", mhzc_print); 274 275 mhzc_disable(sc, MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED); 276 return; 277 278 fail: 279 /* I/O spaces will be freed by detach. */ 280 ; 281 } 282 283 int 284 mhzc_check_cfe(sc, cfe) 285 struct mhzc_softc *sc; 286 struct pcmcia_config_entry *cfe; 287 { 288 289 if (cfe->num_memspace != 0) 290 return (0); 291 292 if (cfe->num_iospace != 1) 293 return (0); 294 295 if (pcmcia_io_alloc(sc->sc_pf, 296 cfe->iospace[0].start, 297 cfe->iospace[0].length, 298 cfe->iospace[0].length, 299 &sc->sc_modem_pcioh) == 0) { 300 /* Found one for the modem! */ 301 sc->sc_flags |= MHZC_MODEM_ALLOCED; 302 return (1); 303 } 304 305 return (0); 306 } 307 308 int 309 mhzc_alloc_ethernet(sc, cfe) 310 struct mhzc_softc *sc; 311 struct pcmcia_config_entry *cfe; 312 { 313 bus_addr_t addr, maxaddr; 314 315 addr = cfe->iospace[0].start + cfe->iospace[0].length; 316 maxaddr = 0x1000; 317 318 /* 319 * Now round it up so that it starts on a 16-byte boundary. 320 */ 321 addr = roundup(addr, 0x10); 322 323 for (; (addr + 0x10) < maxaddr; addr += 0x10) { 324 if (addr & 0x80) 325 continue; 326 if (pcmcia_io_alloc(sc->sc_pf, addr, 0x10, 0x10, 327 &sc->sc_ethernet_pcioh) == 0) { 328 /* Found one for the ethernet! */ 329 sc->sc_flags |= MHZC_ETHERNET_ALLOCED; 330 return (1); 331 } 332 } 333 334 return (0); 335 } 336 337 int 338 mhzc_print(aux, pnp) 339 void *aux; 340 const char *pnp; 341 { 342 const char *name = aux; 343 344 if (pnp) 345 aprint_normal("%s at %s(*)", name, pnp); 346 347 return (UNCONF); 348 } 349 350 int 351 mhzc_detach(self, flags) 352 struct device *self; 353 int flags; 354 { 355 struct mhzc_softc *sc = (void *)self; 356 int rv; 357 358 if (sc->sc_ethernet != NULL) { 359 rv = config_detach(sc->sc_ethernet, flags); 360 if (rv != 0) 361 return (rv); 362 sc->sc_ethernet = NULL; 363 } 364 365 if (sc->sc_modem != NULL) { 366 rv = config_detach(sc->sc_modem, flags); 367 if (rv != 0) 368 return (rv); 369 sc->sc_modem = NULL; 370 } 371 372 /* Unmap our i/o windows. */ 373 if (sc->sc_flags & MHZC_MODEM_MAPPED) 374 pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window); 375 if (sc->sc_flags & MHZC_ETHERNET_MAPPED) 376 pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window); 377 378 /* Free our i/o spaces. */ 379 if (sc->sc_flags & MHZC_ETHERNET_ALLOCED) 380 pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh); 381 if (sc->sc_flags & MHZC_MODEM_ALLOCED) 382 pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh); 383 384 sc->sc_flags = 0; 385 386 return (0); 387 } 388 389 int 390 mhzc_activate(self, act) 391 struct device *self; 392 enum devact act; 393 { 394 struct mhzc_softc *sc = (void *)self; 395 int s, rv = 0; 396 397 s = splhigh(); 398 switch (act) { 399 case DVACT_ACTIVATE: 400 rv = EOPNOTSUPP; 401 break; 402 403 case DVACT_DEACTIVATE: 404 if (sc->sc_ethernet != NULL) { 405 rv = config_deactivate(sc->sc_ethernet); 406 if (rv != 0) 407 goto out; 408 } 409 410 if (sc->sc_modem != NULL) { 411 rv = config_deactivate(sc->sc_modem); 412 if (rv != 0) 413 goto out; 414 } 415 break; 416 } 417 out: 418 splx(s); 419 return (rv); 420 } 421 422 int 423 mhzc_intr(arg) 424 void *arg; 425 { 426 struct mhzc_softc *sc = arg; 427 int rval = 0; 428 429 #if NCOM_MHZC > 0 430 if (sc->sc_modem != NULL && 431 (sc->sc_flags & MHZC_MODEM_ENABLED) != 0) 432 rval |= comintr(sc->sc_modem); 433 #endif 434 435 #if NSM_MHZC > 0 436 if (sc->sc_ethernet != NULL && 437 (sc->sc_flags & MHZC_ETHERNET_ENABLED) != 0) 438 rval |= smc91cxx_intr(sc->sc_ethernet); 439 #endif 440 441 return (rval); 442 } 443 444 int 445 mhzc_enable(sc, flag) 446 struct mhzc_softc *sc; 447 int flag; 448 { 449 int error; 450 451 if ((sc->sc_flags & flag) == flag) { 452 printf("%s: already enabled\n", sc->sc_dev.dv_xname); 453 return (0); 454 } 455 456 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) { 457 sc->sc_flags |= flag; 458 return (0); 459 } 460 461 /* 462 * Establish our interrupt handler. 463 * 464 * XXX Note, we establish this at IPL_NET. This is suboptimal 465 * XXX the Modem portion, but is necessary to make the Ethernet 466 * XXX portion have the correct interrupt level semantics. 467 * 468 * XXX Eventually we should use the `enabled' bits in the 469 * XXX flags word to determine which level we should be at. 470 */ 471 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, 472 mhzc_intr, sc); 473 if (!sc->sc_ih) 474 return (EIO); 475 476 error = pcmcia_function_enable(sc->sc_pf); 477 if (error) { 478 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 479 sc->sc_ih = 0; 480 return (error); 481 } 482 483 /* 484 * Perform any special enable magic necessary. 485 */ 486 if (sc->sc_product->mp_enable != NULL && 487 (*sc->sc_product->mp_enable)(sc) != 0) { 488 pcmcia_function_disable(sc->sc_pf); 489 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 490 return (1); 491 } 492 493 sc->sc_flags |= flag; 494 return (0); 495 } 496 497 void 498 mhzc_disable(sc, flag) 499 struct mhzc_softc *sc; 500 int flag; 501 { 502 503 if ((sc->sc_flags & flag) == 0) { 504 printf("%s: already disabled\n", sc->sc_dev.dv_xname); 505 return; 506 } 507 508 sc->sc_flags &= ~flag; 509 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) 510 return; 511 512 pcmcia_function_disable(sc->sc_pf); 513 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 514 sc->sc_ih = 0; 515 } 516 517 /***************************************************************************** 518 * Megahertz EM3336 (and compatibles) support 519 *****************************************************************************/ 520 521 int mhzc_em3336_lannid_ciscallback(struct pcmcia_tuple *, void *); 522 int mhzc_em3336_ascii_enaddr(const char *cisstr, u_int8_t *); 523 524 int 525 mhzc_em3336_enaddr(sc, myla) 526 struct mhzc_softc *sc; 527 u_int8_t *myla; 528 { 529 530 /* Get the station address from CIS tuple 0x81. */ 531 if (pcmcia_scan_cis(sc->sc_dev.dv_parent, 532 mhzc_em3336_lannid_ciscallback, myla) != 1) { 533 printf("%s: unable to get Ethernet address from CIS\n", 534 sc->sc_dev.dv_xname); 535 return (0); 536 } 537 538 return (1); 539 } 540 541 int 542 mhzc_em3336_enable(sc) 543 struct mhzc_softc *sc; 544 { 545 struct pcmcia_mem_handle memh; 546 bus_addr_t memoff; 547 int memwin, reg; 548 549 /* 550 * Bring the chip to live by touching its registers in the correct 551 * way (as per my reference... the Linux smc91c92_cs.c driver by 552 * David A. Hinds). 553 */ 554 555 /* Map the ISRPOWEREG. */ 556 if (pcmcia_mem_alloc(sc->sc_pf, 0x1000, &memh) != 0) { 557 printf("%s: unable to allocate memory space\n", 558 sc->sc_dev.dv_xname); 559 return (1); 560 } 561 562 if (pcmcia_mem_map(sc->sc_pf, PCMCIA_MEM_ATTR, 0, 0x1000, 563 &memh, &memoff, &memwin)) { 564 printf("%s: unable to map memory space\n", 565 sc->sc_dev.dv_xname); 566 pcmcia_mem_free(sc->sc_pf, &memh); 567 return (1); 568 } 569 570 /* 571 * The magic sequence: 572 * 573 * - read/write the CCR option register. 574 * - read the ISRPOWEREG 2 times. 575 * - read/write the CCR option register again. 576 */ 577 578 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); 579 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); 580 581 reg = bus_space_read_1(memh.memt, memh.memh, 0x380); 582 delay(5); 583 reg = bus_space_read_1(memh.memt, memh.memh, 0x380); 584 585 tsleep(&mhzc_em3336_enable, PWAIT, "mhz3en", hz * 200 / 1000); 586 587 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); 588 delay(5); 589 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); 590 591 pcmcia_mem_unmap(sc->sc_pf, memwin); 592 pcmcia_mem_free(sc->sc_pf, &memh); 593 594 return (0); 595 } 596 597 int 598 mhzc_em3336_lannid_ciscallback(tuple, arg) 599 struct pcmcia_tuple *tuple; 600 void *arg; 601 { 602 u_int8_t *myla = arg, addr_str[ETHER_ADDR_LEN * 2]; 603 int i; 604 605 if (tuple->code == 0x81) { 606 /* 607 * We have a string-encoded address. Length includes 608 * terminating 0xff. 609 */ 610 if (tuple->length != (ETHER_ADDR_LEN * 2) + 1) 611 return (0); 612 613 for (i = 0; i < tuple->length - 1; i++) 614 addr_str[i] = pcmcia_tuple_read_1(tuple, i); 615 616 /* 617 * Decode the string into `myla'. 618 */ 619 return (mhzc_em3336_ascii_enaddr(addr_str, myla)); 620 } 621 return (0); 622 } 623 624 /* XXX This should be shared w/ if_sm_pcmcia.c */ 625 int 626 mhzc_em3336_ascii_enaddr(cisstr, myla) 627 const char *cisstr; 628 u_int8_t *myla; 629 { 630 u_int8_t digit; 631 int i; 632 633 memset(myla, 0, ETHER_ADDR_LEN); 634 635 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 636 if (cisstr[i] >= '0' && cisstr[i] <= '9') 637 digit |= cisstr[i] - '0'; 638 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 639 digit |= (cisstr[i] - 'a') + 10; 640 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 641 digit |= (cisstr[i] - 'A') + 10; 642 else { 643 /* Bogus digit!! */ 644 return (0); 645 } 646 647 /* Compensate for ordering of digits. */ 648 if (i & 1) { 649 myla[i >> 1] = digit; 650 digit = 0; 651 } else 652 digit <<= 4; 653 } 654 655 return (1); 656 } 657 658 /****** Here begins the com attachment code. ******/ 659 660 #if NCOM_MHZC > 0 661 int com_mhzc_match(struct device *, struct cfdata *, void *); 662 void com_mhzc_attach(struct device *, struct device *, void *); 663 int com_mhzc_detach(struct device *, int); 664 665 /* No mhzc-specific goo in the softc; it's all in the parent. */ 666 CFATTACH_DECL(com_mhzc, sizeof(struct com_softc), 667 com_mhzc_match, com_mhzc_attach, com_detach, com_activate); 668 669 int com_mhzc_enable(struct com_softc *); 670 void com_mhzc_disable(struct com_softc *); 671 672 int 673 com_mhzc_match(parent, match, aux) 674 struct device *parent; 675 struct cfdata *match; 676 void *aux; 677 { 678 extern struct cfdriver com_cd; 679 const char *name = aux; 680 681 /* Device is always present. */ 682 if (strcmp(name, com_cd.cd_name) == 0) 683 return (1); 684 685 return (0); 686 } 687 688 void 689 com_mhzc_attach(parent, self, aux) 690 struct device *parent, *self; 691 void *aux; 692 { 693 struct com_softc *sc = (void *)self; 694 struct mhzc_softc *msc = (void *)parent; 695 696 aprint_normal("\n"); 697 698 sc->sc_iot = msc->sc_modem_pcioh.iot; 699 sc->sc_ioh = msc->sc_modem_pcioh.ioh; 700 701 sc->enabled = 1; 702 703 sc->sc_iobase = -1; 704 sc->sc_frequency = COM_FREQ; 705 706 sc->enable = com_mhzc_enable; 707 sc->disable = com_mhzc_disable; 708 709 aprint_normal("%s", sc->sc_dev.dv_xname); 710 711 com_attach_subr(sc); 712 713 sc->enabled = 0; 714 } 715 716 int 717 com_mhzc_enable(sc) 718 struct com_softc *sc; 719 { 720 721 return (mhzc_enable((struct mhzc_softc *)sc->sc_dev.dv_parent, 722 MHZC_MODEM_ENABLED)); 723 } 724 725 void 726 com_mhzc_disable(sc) 727 struct com_softc *sc; 728 { 729 730 mhzc_disable((struct mhzc_softc *)sc->sc_dev.dv_parent, 731 MHZC_MODEM_ENABLED); 732 } 733 734 #endif /* NCOM_MHZC > 0 */ 735 736 /****** Here begins the sm attachment code. ******/ 737 738 #if NSM_MHZC > 0 739 int sm_mhzc_match(struct device *, struct cfdata *, void *); 740 void sm_mhzc_attach(struct device *, struct device *, void *); 741 742 /* No mhzc-specific goo in the softc; it's all in the parent. */ 743 CFATTACH_DECL(sm_mhzc, sizeof(struct smc91cxx_softc), 744 sm_mhzc_match, sm_mhzc_attach, smc91cxx_detach, smc91cxx_activate); 745 746 int sm_mhzc_enable(struct smc91cxx_softc *); 747 void sm_mhzc_disable(struct smc91cxx_softc *); 748 749 int 750 sm_mhzc_match(parent, match, aux) 751 struct device *parent; 752 struct cfdata *match; 753 void *aux; 754 { 755 extern struct cfdriver sm_cd; 756 const char *name = aux; 757 758 /* Device is always present. */ 759 if (strcmp(name, sm_cd.cd_name) == 0) 760 return (1); 761 762 return (0); 763 } 764 765 void 766 sm_mhzc_attach(parent, self, aux) 767 struct device *parent, *self; 768 void *aux; 769 { 770 struct smc91cxx_softc *sc = (void *)self; 771 struct mhzc_softc *msc = (void *)parent; 772 u_int8_t myla[ETHER_ADDR_LEN]; 773 774 aprint_normal("\n"); 775 776 sc->sc_bst = msc->sc_ethernet_pcioh.iot; 777 sc->sc_bsh = msc->sc_ethernet_pcioh.ioh; 778 779 sc->sc_enable = sm_mhzc_enable; 780 sc->sc_disable = sm_mhzc_disable; 781 782 if ((*msc->sc_product->mp_enaddr)(msc, myla) != 1) 783 return; 784 785 /* Perform generic initialization. */ 786 smc91cxx_attach(sc, myla); 787 } 788 789 int 790 sm_mhzc_enable(sc) 791 struct smc91cxx_softc *sc; 792 { 793 794 return (mhzc_enable((struct mhzc_softc *)sc->sc_dev.dv_parent, 795 MHZC_ETHERNET_ENABLED)); 796 } 797 798 void 799 sm_mhzc_disable(sc) 800 struct smc91cxx_softc *sc; 801 { 802 803 mhzc_disable((struct mhzc_softc *)sc->sc_dev.dv_parent, 804 MHZC_ETHERNET_ENABLED); 805 } 806 807 #endif /* NSM_MHZC > 0 */ 808
Indexes created Sat Oct 25 16:10:12 GMT 2025