| 1 | /* $NetBSD: mhzc.c,v 1.50 2012/10/27 17:18:37 chs 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 2012/10/27 17:18:37 chs 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 | |
| 64 | #ifdef INET |
| 65 | #include <netinet/in.h> |
| 66 | #include <netinet/in_systm.h> |
| 67 | #include <netinet/in_var.h> |
| 68 | #include <netinet/ip.h> |
| 69 | #include <netinet/if_inarp.h> |
| 70 | #endif |
| 71 | |
| 72 | |
| 73 | #include <net/bpf.h> |
| 74 | #include <net/bpfdesc.h> |
| 75 | |
| 76 | #include <sys/intr.h> |
| 77 | #include <sys/bus.h> |
| 78 | |
| 79 | #include <dev/ic/comreg.h> |
| 80 | #include <dev/ic/comvar.h> |
| 81 | |
| 82 | #include <dev/mii/mii.h> |
| 83 | #include <dev/mii/miivar.h> |
| 84 | |
| 85 | #include <dev/ic/smc91cxxreg.h> |
| 86 | #include <dev/ic/smc91cxxvar.h> |
| 87 | |
| 88 | #include <dev/pcmcia/pcmciareg.h> |
| 89 | #include <dev/pcmcia/pcmciavar.h> |
| 90 | #include <dev/pcmcia/pcmciadevs.h> |
| 91 | |
| 92 | #include "mhzc.h" |
| 93 | |
| 94 | struct mhzc_softc { |
| 95 | device_t sc_dev; /* generic device glue */ |
| 96 | |
| 97 | struct pcmcia_function *sc_pf; /* our PCMCIA function */ |
| 98 | void *sc_ih; /* interrupt handle */ |
| 99 | |
| 100 | const struct mhzc_product *sc_product; |
| 101 | |
| 102 | /* |
| 103 | * Data for the Modem portion. |
| 104 | */ |
| 105 | device_t sc_modem; |
| 106 | struct pcmcia_io_handle sc_modem_pcioh; |
| 107 | int sc_modem_io_window; |
| 108 | |
| 109 | /* |
| 110 | * Data for the Ethernet portion. |
| 111 | */ |
| 112 | device_t sc_ethernet; |
| 113 | struct pcmcia_io_handle sc_ethernet_pcioh; |
| 114 | int sc_ethernet_io_window; |
| 115 | |
| 116 | int sc_flags; |
| 117 | }; |
| 118 | |
| 119 | /* sc_flags */ |
| 120 | #define MHZC_MODEM_MAPPED 0x01 |
| 121 | #define MHZC_ETHERNET_MAPPED 0x02 |
| 122 | #define MHZC_MODEM_ENABLED 0x04 |
| 123 | #define MHZC_ETHERNET_ENABLED 0x08 |
| 124 | #define MHZC_MODEM_ALLOCED 0x10 |
| 125 | #define MHZC_ETHERNET_ALLOCED 0x20 |
| 126 | |
| 127 | int mhzc_match(device_t, cfdata_t, void *); |
| 128 | void mhzc_attach(device_t, device_t, void *); |
| 129 | void mhzc_childdet(device_t, device_t); |
| 130 | int mhzc_detach(device_t, int); |
| 131 | |
| 132 | CFATTACH_DECL2_NEW(mhzc, sizeof(struct mhzc_softc), |
| 133 | mhzc_match, mhzc_attach, mhzc_detach, NULL, NULL, mhzc_childdet); |
| 134 | |
| 135 | int mhzc_em3336_enaddr(struct mhzc_softc *, u_int8_t *); |
| 136 | int mhzc_em3336_enable(struct mhzc_softc *); |
| 137 | |
| 138 | const struct mhzc_product { |
| 139 | struct pcmcia_product mp_product; |
| 140 | |
| 141 | /* Get the Ethernet address for this card. */ |
| 142 | int (*mp_enaddr)(struct mhzc_softc *, u_int8_t *); |
| 143 | |
| 144 | /* Perform any special `enable' magic. */ |
| 145 | int (*mp_enable)(struct mhzc_softc *); |
| 146 | } mhzc_products[] = { |
| 147 | { { PCMCIA_VENDOR_MEGAHERTZ, PCMCIA_PRODUCT_MEGAHERTZ_EM3336, |
| 148 | PCMCIA_CIS_INVALID }, |
| 149 | mhzc_em3336_enaddr, mhzc_em3336_enable }, |
| 150 | }; |
| 151 | static const size_t mhzc_nproducts = |
| 152 | sizeof(mhzc_products) / sizeof(mhzc_products[0]); |
| 153 | |
| 154 | int mhzc_print(void *, const char *); |
| 155 | |
| 156 | int mhzc_check_cfe(struct mhzc_softc *, struct pcmcia_config_entry *); |
| 157 | int mhzc_alloc_ethernet(struct mhzc_softc *, struct pcmcia_config_entry *); |
| 158 | |
| 159 | int mhzc_enable(struct mhzc_softc *, int); |
| 160 | void mhzc_disable(struct mhzc_softc *, int); |
| 161 | |
| 162 | int mhzc_intr(void *); |
| 163 | |
| 164 | int |
| 165 | mhzc_match(device_t parent, cfdata_t match, void *aux) |
| 166 | { |
| 167 | struct pcmcia_attach_args *pa = aux; |
| 168 | |
| 169 | if (pcmcia_product_lookup(pa, mhzc_products, mhzc_nproducts, |
| 170 | sizeof(mhzc_products[0]), NULL)) |
| 171 | return (2); /* beat `com' */ |
| 172 | return (0); |
| 173 | } |
| 174 | |
| 175 | void |
| 176 | mhzc_attach(device_t parent, device_t self, void *aux) |
| 177 | { |
| 178 | struct mhzc_softc *sc = device_private(self); |
| 179 | struct pcmcia_attach_args *pa = aux; |
| 180 | struct pcmcia_config_entry *cfe; |
| 181 | int error; |
| 182 | |
| 183 | sc->sc_dev = self; |
| 184 | sc->sc_pf = pa->pf; |
| 185 | |
| 186 | sc->sc_product = pcmcia_product_lookup(pa, mhzc_products, |
| 187 | mhzc_nproducts, sizeof(mhzc_products[0]), NULL); |
| 188 | if (!sc->sc_product) |
| 189 | panic("mhzc_attach: impossible" ); |
| 190 | |
| 191 | /* |
| 192 | * The address decoders on these cards are wacky. The configuration |
| 193 | * entries are set up to look like serial ports, and have no |
| 194 | * information about the Ethernet portion. In order to talk to |
| 195 | * the Modem portion, the I/O address must have bit 0x80 set. |
| 196 | * In order to talk to the Ethernet portion, the I/O address must |
| 197 | * have the 0x80 bit clear. |
| 198 | * |
| 199 | * The standard configuration entries conveniently have 0x80 set |
| 200 | * in them, and have a length of 8 (a 16550's size, convenient!), |
| 201 | * so we use those to set up the Modem portion. |
| 202 | * |
| 203 | * Once we have the Modem's address established, we search for |
| 204 | * an address suitable for the Ethernet portion. We do this by |
| 205 | * rounding up to the next 16-byte aligned address where 0x80 |
| 206 | * isn't set (the SMC Ethernet chip has a 16-byte address size) |
| 207 | * and attemping to allocate a 16-byte region until we succeed. |
| 208 | * |
| 209 | * Sure would have been nice if Megahertz had made the card a |
| 210 | * proper multi-function device. |
| 211 | */ |
| 212 | SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { |
| 213 | if (mhzc_check_cfe(sc, cfe)) { |
| 214 | /* Found one! */ |
| 215 | break; |
| 216 | } |
| 217 | } |
| 218 | if (cfe == NULL) { |
| 219 | aprint_error_dev(self, "unable to find suitable config table entry\n" ); |
| 220 | goto fail; |
| 221 | } |
| 222 | |
| 223 | if (mhzc_alloc_ethernet(sc, cfe) == 0) { |
| 224 | aprint_error_dev(self, "unable to allocate space for Ethernet portion\n" ); |
| 225 | goto fail; |
| 226 | } |
| 227 | |
| 228 | /* Enable the card. */ |
| 229 | pcmcia_function_init(pa->pf, cfe); |
| 230 | |
| 231 | if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_IO8, &sc->sc_modem_pcioh, |
| 232 | &sc->sc_modem_io_window)) { |
| 233 | aprint_error_dev(sc->sc_dev, "unable to map I/O space\n" ); |
| 234 | goto fail; |
| 235 | } |
| 236 | sc->sc_flags |= MHZC_MODEM_MAPPED; |
| 237 | |
| 238 | if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_AUTO, &sc->sc_ethernet_pcioh, |
| 239 | &sc->sc_ethernet_io_window)) { |
| 240 | aprint_error_dev(sc->sc_dev, "unable to map I/O space\n" ); |
| 241 | goto fail; |
| 242 | } |
| 243 | sc->sc_flags |= MHZC_ETHERNET_MAPPED; |
| 244 | |
| 245 | error = mhzc_enable(sc, MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED); |
| 246 | if (error) |
| 247 | goto fail; |
| 248 | |
| 249 | /*XXXUNCONST*/ |
| 250 | sc->sc_modem = config_found(self, __UNCONST("com" ), mhzc_print); |
| 251 | /*XXXUNCONST*/ |
| 252 | sc->sc_ethernet = config_found(self, __UNCONST("sm" ), mhzc_print); |
| 253 | |
| 254 | mhzc_disable(sc, MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED); |
| 255 | return; |
| 256 | |
| 257 | fail: |
| 258 | /* I/O spaces will be freed by detach. */ |
| 259 | ; |
| 260 | } |
| 261 | |
| 262 | int |
| 263 | mhzc_check_cfe(struct mhzc_softc *sc, struct pcmcia_config_entry *cfe) |
| 264 | { |
| 265 | |
| 266 | if (cfe->num_memspace != 0) |
| 267 | return (0); |
| 268 | |
| 269 | if (cfe->num_iospace != 1) |
| 270 | return (0); |
| 271 | |
| 272 | if (pcmcia_io_alloc(sc->sc_pf, |
| 273 | cfe->iospace[0].start, |
| 274 | cfe->iospace[0].length, |
| 275 | cfe->iospace[0].length, |
| 276 | &sc->sc_modem_pcioh) == 0) { |
| 277 | /* Found one for the modem! */ |
| 278 | sc->sc_flags |= MHZC_MODEM_ALLOCED; |
| 279 | return (1); |
| 280 | } |
| 281 | |
| 282 | return (0); |
| 283 | } |
| 284 | |
| 285 | int |
| 286 | mhzc_alloc_ethernet(struct mhzc_softc *sc, struct pcmcia_config_entry *cfe) |
| 287 | { |
| 288 | bus_addr_t addr, maxaddr; |
| 289 | |
| 290 | addr = cfe->iospace[0].start + cfe->iospace[0].length; |
| 291 | maxaddr = 0x1000; |
| 292 | |
| 293 | /* |
| 294 | * Now round it up so that it starts on a 16-byte boundary. |
| 295 | */ |
| 296 | addr = roundup(addr, 0x10); |
| 297 | |
| 298 | for (; (addr + 0x10) < maxaddr; addr += 0x10) { |
| 299 | if (addr & 0x80) |
| 300 | continue; |
| 301 | if (pcmcia_io_alloc(sc->sc_pf, addr, 0x10, 0x10, |
| 302 | &sc->sc_ethernet_pcioh) == 0) { |
| 303 | /* Found one for the ethernet! */ |
| 304 | sc->sc_flags |= MHZC_ETHERNET_ALLOCED; |
| 305 | return (1); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | return (0); |
| 310 | } |
| 311 | |
| 312 | int |
| 313 | mhzc_print(void *aux, const char *pnp) |
| 314 | { |
| 315 | const char *name = aux; |
| 316 | |
| 317 | if (pnp) |
| 318 | aprint_normal("%s at %s(*)" , name, pnp); |
| 319 | |
| 320 | return (UNCONF); |
| 321 | } |
| 322 | |
| 323 | void |
| 324 | mhzc_childdet(device_t self, device_t child) |
| 325 | { |
| 326 | struct mhzc_softc *sc = device_private(self); |
| 327 | |
| 328 | if (sc->sc_ethernet == child) |
| 329 | sc->sc_ethernet = NULL; |
| 330 | if (sc->sc_modem == child) |
| 331 | sc->sc_modem = NULL; |
| 332 | } |
| 333 | |
| 334 | int |
| 335 | mhzc_detach(device_t self, int flags) |
| 336 | { |
| 337 | struct mhzc_softc *sc = device_private(self); |
| 338 | int rv; |
| 339 | |
| 340 | if (sc->sc_ethernet != NULL) { |
| 341 | if ((rv = config_detach(sc->sc_ethernet, flags)) != 0) |
| 342 | return rv; |
| 343 | } |
| 344 | |
| 345 | if (sc->sc_modem != NULL) { |
| 346 | if ((rv = config_detach(sc->sc_modem, flags)) != 0) |
| 347 | return rv; |
| 348 | } |
| 349 | |
| 350 | /* Unmap our i/o windows. */ |
| 351 | if (sc->sc_flags & MHZC_MODEM_MAPPED) |
| 352 | pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window); |
| 353 | if (sc->sc_flags & MHZC_ETHERNET_MAPPED) |
| 354 | pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window); |
| 355 | |
| 356 | /* Free our i/o spaces. */ |
| 357 | if (sc->sc_flags & MHZC_ETHERNET_ALLOCED) |
| 358 | pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh); |
| 359 | if (sc->sc_flags & MHZC_MODEM_ALLOCED) |
| 360 | pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh); |
| 361 | |
| 362 | sc->sc_flags = 0; |
| 363 | |
| 364 | return 0; |
| 365 | } |
| 366 | |
| 367 | int |
| 368 | mhzc_intr(void *arg) |
| 369 | { |
| 370 | struct mhzc_softc *sc = arg; |
| 371 | int rval = 0; |
| 372 | |
| 373 | #if NCOM_MHZC > 0 |
| 374 | if (sc->sc_modem != NULL && |
| 375 | (sc->sc_flags & MHZC_MODEM_ENABLED) != 0) |
| 376 | rval |= comintr(sc->sc_modem); |
| 377 | #endif |
| 378 | |
| 379 | #if NSM_MHZC > 0 |
| 380 | if (sc->sc_ethernet != NULL && |
| 381 | (sc->sc_flags & MHZC_ETHERNET_ENABLED) != 0) |
| 382 | rval |= smc91cxx_intr(sc->sc_ethernet); |
| 383 | #endif |
| 384 | |
| 385 | return (rval); |
| 386 | } |
| 387 | |
| 388 | int |
| 389 | mhzc_enable(struct mhzc_softc *sc, int flag) |
| 390 | { |
| 391 | int error; |
| 392 | |
| 393 | if ((sc->sc_flags & flag) == flag) { |
| 394 | printf("%s: already enabled\n" , device_xname(sc->sc_dev)); |
| 395 | return (0); |
| 396 | } |
| 397 | |
| 398 | if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) { |
| 399 | sc->sc_flags |= flag; |
| 400 | return (0); |
| 401 | } |
| 402 | |
| 403 | /* |
| 404 | * Establish our interrupt handler. |
| 405 | * |
| 406 | * XXX Note, we establish this at IPL_NET. This is suboptimal |
| 407 | * XXX the Modem portion, but is necessary to make the Ethernet |
| 408 | * XXX portion have the correct interrupt level semantics. |
| 409 | * |
| 410 | * XXX Eventually we should use the `enabled' bits in the |
| 411 | * XXX flags word to determine which level we should be at. |
| 412 | */ |
| 413 | sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, |
| 414 | mhzc_intr, sc); |
| 415 | if (!sc->sc_ih) |
| 416 | return (EIO); |
| 417 | |
| 418 | error = pcmcia_function_enable(sc->sc_pf); |
| 419 | if (error) { |
| 420 | pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); |
| 421 | sc->sc_ih = 0; |
| 422 | return (error); |
| 423 | } |
| 424 | |
| 425 | /* |
| 426 | * Perform any special enable magic necessary. |
| 427 | */ |
| 428 | if (sc->sc_product->mp_enable != NULL && |
| 429 | (*sc->sc_product->mp_enable)(sc) != 0) { |
| 430 | pcmcia_function_disable(sc->sc_pf); |
| 431 | pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); |
| 432 | return (1); |
| 433 | } |
| 434 | |
| 435 | sc->sc_flags |= flag; |
| 436 | return (0); |
| 437 | } |
| 438 | |
| 439 | void |
| 440 | mhzc_disable(struct mhzc_softc *sc, int flag) |
| 441 | { |
| 442 | |
| 443 | if ((sc->sc_flags & flag) == 0) { |
| 444 | printf("%s: already disabled\n" , device_xname(sc->sc_dev)); |
| 445 | return; |
| 446 | } |
| 447 | |
| 448 | sc->sc_flags &= ~flag; |
| 449 | if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) |
| 450 | return; |
| 451 | |
| 452 | pcmcia_function_disable(sc->sc_pf); |
| 453 | pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); |
| 454 | sc->sc_ih = 0; |
| 455 | } |
| 456 | |
| 457 | /***************************************************************************** |
| 458 | * Megahertz EM3336 (and compatibles) support |
| 459 | *****************************************************************************/ |
| 460 | |
| 461 | int mhzc_em3336_lannid_ciscallback(struct pcmcia_tuple *, void *); |
| 462 | int mhzc_em3336_ascii_enaddr(const char *cisstr, u_int8_t *); |
| 463 | |
| 464 | int |
| 465 | mhzc_em3336_enaddr(struct mhzc_softc *sc, u_int8_t *myla) |
| 466 | { |
| 467 | |
| 468 | /* Get the station address from CIS tuple 0x81. */ |
| 469 | if (pcmcia_scan_cis(device_parent(sc->sc_dev), |
| 470 | mhzc_em3336_lannid_ciscallback, myla) != 1) { |
| 471 | printf("%s: unable to get Ethernet address from CIS\n" , |
| 472 | device_xname(sc->sc_dev)); |
| 473 | return (0); |
| 474 | } |
| 475 | |
| 476 | return (1); |
| 477 | } |
| 478 | |
| 479 | int |
| 480 | mhzc_em3336_enable(struct mhzc_softc *sc) |
| 481 | { |
| 482 | struct pcmcia_mem_handle memh; |
| 483 | bus_size_t memoff; |
| 484 | int memwin, reg; |
| 485 | |
| 486 | /* |
| 487 | * Bring the chip to live by touching its registers in the correct |
| 488 | * way (as per my reference... the Linux smc91c92_cs.c driver by |
| 489 | * David A. Hinds). |
| 490 | */ |
| 491 | |
| 492 | /* Map the ISRPOWEREG. */ |
| 493 | if (pcmcia_mem_alloc(sc->sc_pf, 0x1000, &memh) != 0) { |
| 494 | aprint_error_dev(sc->sc_dev, "unable to allocate memory space\n" ); |
| 495 | return (1); |
| 496 | } |
| 497 | |
| 498 | if (pcmcia_mem_map(sc->sc_pf, PCMCIA_MEM_ATTR, 0, 0x1000, |
| 499 | &memh, &memoff, &memwin)) { |
| 500 | aprint_error_dev(sc->sc_dev, "unable to map memory space\n" ); |
| 501 | pcmcia_mem_free(sc->sc_pf, &memh); |
| 502 | return (1); |
| 503 | } |
| 504 | |
| 505 | /* |
| 506 | * The magic sequence: |
| 507 | * |
| 508 | * - read/write the CCR option register. |
| 509 | * - read the ISRPOWEREG 2 times. |
| 510 | * - read/write the CCR option register again. |
| 511 | */ |
| 512 | |
| 513 | reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); |
| 514 | pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); |
| 515 | |
| 516 | reg = bus_space_read_1(memh.memt, memh.memh, 0x380); |
| 517 | delay(5); |
| 518 | reg = bus_space_read_1(memh.memt, memh.memh, 0x380); |
| 519 | |
| 520 | tsleep(&mhzc_em3336_enable, PWAIT, "mhz3en" , hz * 200 / 1000); |
| 521 | |
| 522 | reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION); |
| 523 | delay(5); |
| 524 | pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg); |
| 525 | |
| 526 | pcmcia_mem_unmap(sc->sc_pf, memwin); |
| 527 | pcmcia_mem_free(sc->sc_pf, &memh); |
| 528 | |
| 529 | return (0); |
| 530 | } |
| 531 | |
| 532 | int |
| 533 | mhzc_em3336_lannid_ciscallback(struct pcmcia_tuple *tuple, void *arg) |
| 534 | { |
| 535 | u_int8_t *myla = arg, addr_str[ETHER_ADDR_LEN * 2]; |
| 536 | int i; |
| 537 | |
| 538 | if (tuple->code == 0x81) { |
| 539 | /* |
| 540 | * We have a string-encoded address. Length includes |
| 541 | * terminating 0xff. |
| 542 | */ |
| 543 | if (tuple->length != (ETHER_ADDR_LEN * 2) + 1) |
| 544 | return (0); |
| 545 | |
| 546 | for (i = 0; i < tuple->length - 1; i++) |
| 547 | addr_str[i] = pcmcia_tuple_read_1(tuple, i); |
| 548 | |
| 549 | /* |
| 550 | * Decode the string into `myla'. |
| 551 | */ |
| 552 | return (mhzc_em3336_ascii_enaddr(addr_str, myla)); |
| 553 | } |
| 554 | return (0); |
| 555 | } |
| 556 | |
| 557 | /* XXX This should be shared w/ if_sm_pcmcia.c */ |
| 558 | int |
| 559 | mhzc_em3336_ascii_enaddr(const char *cisstr, u_int8_t *myla) |
| 560 | { |
| 561 | u_int8_t digit; |
| 562 | int i; |
| 563 | |
| 564 | memset(myla, 0, ETHER_ADDR_LEN); |
| 565 | |
| 566 | for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { |
| 567 | if (cisstr[i] >= '0' && cisstr[i] <= '9') |
| 568 | digit |= cisstr[i] - '0'; |
| 569 | else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') |
| 570 | digit |= (cisstr[i] - 'a') + 10; |
| 571 | else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') |
| 572 | digit |= (cisstr[i] - 'A') + 10; |
| 573 | else { |
| 574 | /* Bogus digit!! */ |
| 575 | return (0); |
| 576 | } |
| 577 | |
| 578 | /* Compensate for ordering of digits. */ |
| 579 | if (i & 1) { |
| 580 | myla[i >> 1] = digit; |
| 581 | digit = 0; |
| 582 | } else |
| 583 | digit <<= 4; |
| 584 | } |
| 585 | |
| 586 | return (1); |
| 587 | } |
| 588 | |
| 589 | /****** Here begins the com attachment code. ******/ |
| 590 | |
| 591 | #if NCOM_MHZC > 0 |
| 592 | int com_mhzc_match(device_t, cfdata_t , void *); |
| 593 | void com_mhzc_attach(device_t, device_t, void *); |
| 594 | int com_mhzc_detach(device_t, int); |
| 595 | |
| 596 | /* No mhzc-specific goo in the softc; it's all in the parent. */ |
| 597 | CFATTACH_DECL_NEW(com_mhzc, sizeof(struct com_softc), |
| 598 | com_mhzc_match, com_mhzc_attach, com_detach, NULL); |
| 599 | |
| 600 | int com_mhzc_enable(struct com_softc *); |
| 601 | void com_mhzc_disable(struct com_softc *); |
| 602 | |
| 603 | int |
| 604 | com_mhzc_match(device_t parent, cfdata_t match, void *aux) |
| 605 | { |
| 606 | extern struct cfdriver com_cd; |
| 607 | const char *name = aux; |
| 608 | |
| 609 | /* Device is always present. */ |
| 610 | if (strcmp(name, com_cd.cd_name) == 0) |
| 611 | return (1); |
| 612 | |
| 613 | return (0); |
| 614 | } |
| 615 | |
| 616 | void |
| 617 | com_mhzc_attach(device_t parent, device_t self, void *aux) |
| 618 | { |
| 619 | struct com_softc *sc = device_private(self); |
| 620 | struct mhzc_softc *msc = device_private(parent); |
| 621 | |
| 622 | sc->sc_dev = self; |
| 623 | aprint_normal("\n" ); |
| 624 | |
| 625 | COM_INIT_REGS(sc->sc_regs, |
| 626 | msc->sc_modem_pcioh.iot, |
| 627 | msc->sc_modem_pcioh.ioh, |
| 628 | -1); |
| 629 | |
| 630 | sc->enabled = 1; |
| 631 | |
| 632 | sc->sc_frequency = COM_FREQ; |
| 633 | |
| 634 | sc->enable = com_mhzc_enable; |
| 635 | sc->disable = com_mhzc_disable; |
| 636 | |
| 637 | aprint_normal("%s" , device_xname(self)); |
| 638 | |
| 639 | com_attach_subr(sc); |
| 640 | |
| 641 | sc->enabled = 0; |
| 642 | } |
| 643 | |
| 644 | int |
| 645 | com_mhzc_enable(struct com_softc *sc) |
| 646 | { |
| 647 | |
| 648 | return (mhzc_enable(device_private(device_parent(sc->sc_dev)), |
| 649 | MHZC_MODEM_ENABLED)); |
| 650 | } |
| 651 | |
| 652 | void |
| 653 | com_mhzc_disable(struct com_softc *sc) |
| 654 | { |
| 655 | |
| 656 | mhzc_disable(device_private(device_parent(sc->sc_dev)), |
| 657 | MHZC_MODEM_ENABLED); |
| 658 | } |
| 659 | |
| 660 | #endif /* NCOM_MHZC > 0 */ |
| 661 | |
| 662 | /****** Here begins the sm attachment code. ******/ |
| 663 | |
| 664 | #if NSM_MHZC > 0 |
| 665 | int sm_mhzc_match(device_t, cfdata_t, void *); |
| 666 | void sm_mhzc_attach(device_t, device_t, void *); |
| 667 | |
| 668 | /* No mhzc-specific goo in the softc; it's all in the parent. */ |
| 669 | CFATTACH_DECL_NEW(sm_mhzc, sizeof(struct smc91cxx_softc), |
| 670 | sm_mhzc_match, sm_mhzc_attach, smc91cxx_detach, smc91cxx_activate); |
| 671 | |
| 672 | int sm_mhzc_enable(struct smc91cxx_softc *); |
| 673 | void sm_mhzc_disable(struct smc91cxx_softc *); |
| 674 | |
| 675 | int |
| 676 | sm_mhzc_match(device_t parent, cfdata_t match, void *aux) |
| 677 | { |
| 678 | extern struct cfdriver sm_cd; |
| 679 | const char *name = aux; |
| 680 | |
| 681 | /* Device is always present. */ |
| 682 | if (strcmp(name, sm_cd.cd_name) == 0) |
| 683 | return (1); |
| 684 | |
| 685 | return (0); |
| 686 | } |
| 687 | |
| 688 | void |
| 689 | sm_mhzc_attach(device_t parent, device_t self, void *aux) |
| 690 | { |
| 691 | struct smc91cxx_softc *sc = device_private(self); |
| 692 | struct mhzc_softc *msc = device_private(parent); |
| 693 | u_int8_t myla[ETHER_ADDR_LEN]; |
| 694 | |
| 695 | aprint_normal("\n" ); |
| 696 | |
| 697 | sc->sc_dev = self; |
| 698 | sc->sc_bst = msc->sc_ethernet_pcioh.iot; |
| 699 | sc->sc_bsh = msc->sc_ethernet_pcioh.ioh; |
| 700 | |
| 701 | sc->sc_enable = sm_mhzc_enable; |
| 702 | sc->sc_disable = sm_mhzc_disable; |
| 703 | |
| 704 | if ((*msc->sc_product->mp_enaddr)(msc, myla) != 1) |
| 705 | return; |
| 706 | |
| 707 | /* Perform generic initialization. */ |
| 708 | smc91cxx_attach(sc, myla); |
| 709 | } |
| 710 | |
| 711 | int |
| 712 | sm_mhzc_enable(struct smc91cxx_softc *sc) |
| 713 | { |
| 714 | struct mhzc_softc *xsc = device_private(device_parent(sc->sc_dev)); |
| 715 | |
| 716 | return mhzc_enable(xsc, MHZC_ETHERNET_ENABLED); |
| 717 | } |
| 718 | |
| 719 | void |
| 720 | sm_mhzc_disable(struct smc91cxx_softc *sc) |
| 721 | { |
| 722 | struct mhzc_softc *xsc = device_private(device_parent(sc->sc_dev)); |
| 723 | |
| 724 | mhzc_disable(xsc, MHZC_ETHERNET_ENABLED); |
| 725 | } |
| 726 | |
| 727 | #endif /* NSM_MHZC > 0 */ |
| 728 | |