if_ep_pcmcia.c revision 1.30
1 /* $NetBSD: if_ep_pcmcia.c,v 1.30 2000/02/08 12:49:13 enami Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2000 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. 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 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Marc Horowitz. 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 */ 68 69 #include "opt_inet.h" 70 #include "opt_ns.h" 71 #include "bpfilter.h" 72 73 #include <sys/param.h> 74 #include <sys/systm.h> 75 #include <sys/mbuf.h> 76 #include <sys/socket.h> 77 #include <sys/ioctl.h> 78 #include <sys/errno.h> 79 #include <sys/syslog.h> 80 #include <sys/select.h> 81 #include <sys/device.h> 82 83 #include <net/if.h> 84 #include <net/if_dl.h> 85 #include <net/if_ether.h> 86 #include <net/if_media.h> 87 88 #ifdef INET 89 #include <netinet/in.h> 90 #include <netinet/in_systm.h> 91 #include <netinet/in_var.h> 92 #include <netinet/ip.h> 93 #include <netinet/if_inarp.h> 94 #endif 95 96 #ifdef NS 97 #include <netns/ns.h> 98 #include <netns/ns_if.h> 99 #endif 100 101 #if NBPFILTER > 0 102 #include <net/bpf.h> 103 #include <net/bpfdesc.h> 104 #endif 105 106 #include <machine/cpu.h> 107 #include <machine/bus.h> 108 #include <machine/intr.h> 109 110 #include <dev/mii/miivar.h> 111 112 #include <dev/ic/elink3var.h> 113 #include <dev/ic/elink3reg.h> 114 115 #include <dev/pcmcia/pcmciareg.h> 116 #include <dev/pcmcia/pcmciavar.h> 117 #include <dev/pcmcia/pcmciadevs.h> 118 119 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *)); 120 void ep_pcmcia_attach __P((struct device *, struct device *, void *)); 121 int ep_pcmcia_detach __P((struct device *, int)); 122 123 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 124 int ep_pcmcia_enable __P((struct ep_softc *)); 125 void ep_pcmcia_disable __P((struct ep_softc *)); 126 127 int ep_pcmcia_enable1 __P((struct ep_softc *)); 128 void ep_pcmcia_disable1 __P((struct ep_softc *)); 129 130 struct ep_pcmcia_softc { 131 struct ep_softc sc_ep; /* real "ep" softc */ 132 133 /* PCMCIA-specific goo */ 134 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 135 int sc_io_window; /* our i/o window */ 136 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 137 }; 138 139 struct cfattach ep_pcmcia_ca = { 140 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach, 141 ep_pcmcia_detach, ep_activate 142 }; 143 144 const struct ep_pcmcia_product { 145 struct pcmcia_product epp_product; 146 u_short epp_chipset; /* 3Com chipset used */ 147 int epp_flags; /* initial softc flags */ 148 } ep_pcmcia_products[] = { 149 { { PCMCIA_STR_3COM_3C562, PCMCIA_VENDOR_3COM, 150 PCMCIA_PRODUCT_3COM_3C562, 0 }, 151 ELINK_CHIPSET_3C509, 0 }, 152 153 { { PCMCIA_STR_3COM_3C589, PCMCIA_VENDOR_3COM, 154 PCMCIA_PRODUCT_3COM_3C589, 0 }, 155 ELINK_CHIPSET_3C509, 0 }, 156 157 { { PCMCIA_STR_3COM_3CXEM556, PCMCIA_VENDOR_3COM, 158 PCMCIA_PRODUCT_3COM_3CXEM556, 0 }, 159 ELINK_CHIPSET_3C509, 0 }, 160 161 { { PCMCIA_STR_3COM_3CXEM556INT, PCMCIA_VENDOR_3COM, 162 PCMCIA_PRODUCT_3COM_3CXEM556INT, 0 }, 163 ELINK_CHIPSET_3C509, 0 }, 164 165 { { PCMCIA_STR_3COM_3C574, PCMCIA_VENDOR_3COM, 166 PCMCIA_PRODUCT_3COM_3C574, 0 }, 167 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 168 169 { { PCMCIA_STR_3COM_3CCFEM556BI, PCMCIA_VENDOR_3COM, 170 PCMCIA_PRODUCT_3COM_3CCFEM556BI, 0 }, 171 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 172 173 { { NULL } } 174 }; 175 176 int 177 ep_pcmcia_match(parent, match, aux) 178 struct device *parent; 179 struct cfdata *match; 180 void *aux; 181 { 182 struct pcmcia_attach_args *pa = aux; 183 184 if (pcmcia_product_lookup(pa, 185 (const struct pcmcia_product *)ep_pcmcia_products, 186 sizeof ep_pcmcia_products[0], NULL) != NULL) 187 return (1); 188 189 return (0); 190 } 191 192 int 193 ep_pcmcia_enable(sc) 194 struct ep_softc *sc; 195 { 196 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 197 struct pcmcia_function *pf = psc->sc_pf; 198 int error; 199 200 /* establish the interrupt. */ 201 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 202 if (sc->sc_ih == NULL) { 203 printf("%s: couldn't establish interrupt\n", 204 sc->sc_dev.dv_xname); 205 return (1); 206 } 207 208 error = ep_pcmcia_enable1(sc); 209 if (error != 0) 210 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 211 return (error); 212 } 213 214 int 215 ep_pcmcia_enable1(sc) 216 struct ep_softc *sc; 217 { 218 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 219 struct pcmcia_function *pf = psc->sc_pf; 220 int ret; 221 222 if ((ret = pcmcia_function_enable(pf))) 223 return (ret); 224 225 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 226 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 227 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 228 int reg; 229 230 /* turn off the serial-disable bit */ 231 232 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 233 if (reg & 0x08) { 234 reg &= ~0x08; 235 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 236 } 237 238 } 239 240 return (ret); 241 } 242 243 void 244 ep_pcmcia_disable(sc) 245 struct ep_softc *sc; 246 { 247 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 248 249 ep_pcmcia_disable1(sc); 250 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 251 } 252 253 void 254 ep_pcmcia_disable1(sc) 255 struct ep_softc *sc; 256 { 257 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 258 259 pcmcia_function_disable(psc->sc_pf); 260 } 261 262 void 263 ep_pcmcia_attach(parent, self, aux) 264 struct device *parent, *self; 265 void *aux; 266 { 267 struct ep_pcmcia_softc *psc = (void *) self; 268 struct ep_softc *sc = &psc->sc_ep; 269 struct pcmcia_attach_args *pa = aux; 270 struct pcmcia_config_entry *cfe; 271 const struct ep_pcmcia_product *epp; 272 u_int8_t myla[ETHER_ADDR_LEN]; 273 u_int8_t *enaddr = NULL; 274 int i; 275 276 psc->sc_pf = pa->pf; 277 cfe = pa->pf->cfe_head.sqh_first; 278 279 /* Enable the card. */ 280 pcmcia_function_init(pa->pf, cfe); 281 if (ep_pcmcia_enable1(sc)) { 282 printf(": function enable failed\n"); 283 goto enable_failed; 284 } 285 sc->enabled = 1; 286 287 if (cfe->num_memspace != 0) { 288 printf(": unexpected number of memory spaces %d should be 0\n", 289 cfe->num_memspace); 290 goto ioalloc_failed; 291 } 292 293 if (cfe->num_iospace != 1) { 294 printf(": unexpected number of I/O spaces %d should be 1\n", 295 cfe->num_iospace); 296 goto ioalloc_failed; 297 } 298 299 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 300 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize); 301 302 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) { 303 /* 304 * the 3c562 can only use 0x??00-0x??7f 305 * according to the Linux driver 306 */ 307 if (i & 0x80) 308 continue; 309 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 310 0, &psc->sc_pcioh) == 0) 311 break; 312 } 313 if (i >= maxaddr) { 314 printf(": can't allocate i/o space\n"); 315 goto ioalloc_failed; 316 } 317 } else { 318 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 319 cfe->iospace[0].length, &psc->sc_pcioh)) { 320 printf(": can't allocate i/o space\n"); 321 goto ioalloc_failed; 322 } 323 } 324 325 sc->sc_iot = psc->sc_pcioh.iot; 326 sc->sc_ioh = psc->sc_pcioh.ioh; 327 328 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 329 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length, 330 &psc->sc_pcioh, &psc->sc_io_window)) { 331 printf(": can't map i/o space\n"); 332 goto iomap_failed; 333 } 334 335 switch (pa->product) { 336 case PCMCIA_PRODUCT_3COM_3C562: 337 /* 338 * 3c562a-c use this; 3c562d does it in the regular way. 339 * we might want to check the revision and produce a warning 340 * in the future. 341 */ 342 /* FALLTHROUGH */ 343 case PCMCIA_PRODUCT_3COM_3C574: 344 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 345 /* 346 * Apparently, some 3c574s do it this way, as well. 347 */ 348 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 349 enaddr = myla; 350 break; 351 } 352 353 epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa, 354 (const struct pcmcia_product *)ep_pcmcia_products, 355 sizeof ep_pcmcia_products[0], NULL); 356 if (epp == NULL) 357 panic("ep_pcmcia_attach: impossible"); 358 359 printf(": %s\n", epp->epp_product.pp_name); 360 361 sc->bustype = ELINK_BUS_PCMCIA; 362 sc->ep_flags = epp->epp_flags; 363 364 sc->enable = ep_pcmcia_enable; 365 sc->disable = ep_pcmcia_disable; 366 367 if (epconfig(sc, epp->epp_chipset, enaddr)) { 368 printf("%s: couldn't configure controller\n", 369 sc->sc_dev.dv_xname); 370 goto config_failed; 371 } 372 373 sc->enabled = 0; 374 ep_pcmcia_disable1(sc); 375 return; 376 377 config_failed: 378 /* Unmap our i/o window. */ 379 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 380 381 iomap_failed: 382 /* Free our i/o space. */ 383 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 384 385 ioalloc_failed: 386 sc->enabled = 0; 387 ep_pcmcia_disable1(sc); 388 389 enable_failed: 390 psc->sc_io_window = -1; 391 } 392 393 int 394 ep_pcmcia_detach(self, flags) 395 struct device *self; 396 int flags; 397 { 398 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 399 int rv; 400 401 if (psc->sc_io_window == -1) 402 /* Nothing to detach. */ 403 return (0); 404 405 rv = ep_detach(self, flags); 406 if (rv != 0) 407 return (rv); 408 409 /* Unmap our i/o window. */ 410 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 411 412 /* Free our i/o space. */ 413 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 414 415 return (0); 416 } 417 418 int 419 ep_pcmcia_get_enaddr(tuple, arg) 420 struct pcmcia_tuple *tuple; 421 void *arg; 422 { 423 u_int8_t *myla = arg; 424 int i; 425 426 /* this is 3c562a-c magic */ 427 if (tuple->code == 0x88) { 428 if (tuple->length < ETHER_ADDR_LEN) 429 return (0); 430 431 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 432 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 433 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 434 } 435 436 return (1); 437 } 438 return (0); 439 } 440
Indexes created Thu Oct 02 07:10:07 GMT 2025