if_ep_pcmcia.c revision 1.18
1 /* $NetBSD: if_ep_pcmcia.c,v 1.18 1998/11/17 20:44:02 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 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 int ep_pcmcia_activate __P((struct device *, enum devact)); 123 124 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 125 int ep_pcmcia_enable __P((struct ep_softc *)); 126 void ep_pcmcia_disable __P((struct ep_softc *)); 127 128 int ep_pcmcia_enable1 __P((struct ep_softc *)); 129 void ep_pcmcia_disable1 __P((struct ep_softc *)); 130 131 struct ep_pcmcia_softc { 132 struct ep_softc sc_ep; /* real "ep" softc */ 133 134 /* PCMCIA-specific goo */ 135 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 136 int sc_io_window; /* our i/o window */ 137 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 138 }; 139 140 struct cfattach ep_pcmcia_ca = { 141 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach, 142 ep_pcmcia_detach, ep_pcmcia_activate 143 }; 144 145 struct ep_pcmcia_product { 146 u_int32_t epp_product; /* PCMCIA product ID */ 147 u_short epp_chipset; /* 3Com chipset used */ 148 int epp_flags; /* initial softc flags */ 149 int epp_expfunc; /* expected function */ 150 const char *epp_name; /* device name */ 151 } ep_pcmcia_products[] = { 152 { PCMCIA_PRODUCT_3COM_3C562, ELINK_CHIPSET_3C509, 153 0, 0, 154 PCMCIA_STR_3COM_3C562 }, 155 { PCMCIA_PRODUCT_3COM_3C589, ELINK_CHIPSET_3C509, 156 0, 0, 157 PCMCIA_STR_3COM_3C589 }, 158 159 { PCMCIA_PRODUCT_3COM_3C574, ELINK_CHIPSET_ROADRUNNER, 160 ELINK_FLAGS_MII, 0, 161 PCMCIA_STR_3COM_3C574 }, 162 163 { 0, 0, 164 0, 0, 165 NULL }, 166 }; 167 168 struct ep_pcmcia_product *ep_pcmcia_lookup __P((struct pcmcia_attach_args *)); 169 170 struct ep_pcmcia_product * 171 ep_pcmcia_lookup(pa) 172 struct pcmcia_attach_args *pa; 173 { 174 struct ep_pcmcia_product *epp; 175 176 for (epp = ep_pcmcia_products; epp->epp_name != NULL; epp++) 177 if (pa->product == epp->epp_product && 178 pa->pf->number == epp->epp_expfunc) 179 return (epp); 180 181 return (NULL); 182 } 183 184 int 185 ep_pcmcia_match(parent, match, aux) 186 struct device *parent; 187 struct cfdata *match; 188 void *aux; 189 { 190 struct pcmcia_attach_args *pa = aux; 191 192 if (pa->manufacturer != PCMCIA_VENDOR_3COM) 193 return (0); 194 195 if (ep_pcmcia_lookup(pa) != NULL) 196 return (1); 197 198 return (0); 199 } 200 201 int 202 ep_pcmcia_enable(sc) 203 struct ep_softc *sc; 204 { 205 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 206 struct pcmcia_function *pf = psc->sc_pf; 207 208 /* establish the interrupt. */ 209 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 210 if (sc->sc_ih == NULL) { 211 printf("%s: couldn't establish interrupt\n", 212 sc->sc_dev.dv_xname); 213 return (1); 214 } 215 216 return (ep_pcmcia_enable1(sc)); 217 } 218 219 int 220 ep_pcmcia_enable1(sc) 221 struct ep_softc *sc; 222 { 223 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 224 struct pcmcia_function *pf = psc->sc_pf; 225 int ret; 226 227 if ((ret = pcmcia_function_enable(pf))) 228 return (ret); 229 230 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) { 231 int reg; 232 233 /* turn off the serial-disable bit */ 234 235 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 236 if (reg & 0x08) { 237 reg &= ~0x08; 238 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 239 } 240 241 } 242 243 return (ret); 244 } 245 246 void 247 ep_pcmcia_disable(sc) 248 struct ep_softc *sc; 249 { 250 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 251 252 ep_pcmcia_disable1(sc); 253 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 254 } 255 256 void 257 ep_pcmcia_disable1(sc) 258 struct ep_softc *sc; 259 { 260 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 261 262 pcmcia_function_disable(psc->sc_pf); 263 } 264 265 void 266 ep_pcmcia_attach(parent, self, aux) 267 struct device *parent, *self; 268 void *aux; 269 { 270 struct ep_pcmcia_softc *psc = (void *) self; 271 struct ep_softc *sc = &psc->sc_ep; 272 struct pcmcia_attach_args *pa = aux; 273 struct pcmcia_config_entry *cfe; 274 struct ep_pcmcia_product *epp; 275 u_int8_t myla[ETHER_ADDR_LEN]; 276 u_int8_t *enaddr = NULL; 277 int i; 278 279 psc->sc_pf = pa->pf; 280 cfe = pa->pf->cfe_head.sqh_first; 281 282 /* Enable the card. */ 283 pcmcia_function_init(pa->pf, cfe); 284 if (ep_pcmcia_enable1(sc)) 285 printf(": function enable failed\n"); 286 287 sc->enabled = 1; 288 289 if (cfe->num_memspace != 0) 290 printf(": unexpected number of memory spaces %d should be 0\n", 291 cfe->num_memspace); 292 293 if (cfe->num_iospace != 1) 294 printf(": unexpected number of I/O spaces %d should be 1\n", 295 cfe->num_iospace); 296 297 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 298 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize); 299 300 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) { 301 /* 302 * the 3c562 can only use 0x??00-0x??7f 303 * according to the Linux driver 304 */ 305 if (i & 0x80) 306 continue; 307 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 308 0, &psc->sc_pcioh) == 0) 309 break; 310 } 311 if (i >= maxaddr) { 312 printf(": can't allocate i/o space\n"); 313 return; 314 } 315 } else { 316 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 317 cfe->iospace[0].length, &psc->sc_pcioh)) 318 printf(": can't allocate i/o space\n"); 319 } 320 321 sc->sc_iot = psc->sc_pcioh.iot; 322 sc->sc_ioh = psc->sc_pcioh.ioh; 323 324 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 325 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length, 326 &psc->sc_pcioh, &psc->sc_io_window)) { 327 printf(": can't map i/o space\n"); 328 return; 329 } 330 331 switch (pa->product) { 332 case PCMCIA_PRODUCT_3COM_3C562: 333 /* 334 * 3c562a-c use this; 3c562d does it in the regular way. 335 * we might want to check the revision and produce a warning 336 * in the future. 337 */ 338 /* FALLTHROUGH */ 339 case PCMCIA_PRODUCT_3COM_3C574: 340 /* 341 * Apparently, some 3c574s do it this way, as well. 342 */ 343 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 344 enaddr = myla; 345 break; 346 } 347 348 sc->bustype = ELINK_BUS_PCMCIA; 349 350 epp = ep_pcmcia_lookup(pa); 351 if (epp == NULL) 352 panic("ep_pcmcia_attach: impossible"); 353 354 printf(": %s\n", epp->epp_name); 355 356 sc->enable = ep_pcmcia_enable; 357 sc->disable = ep_pcmcia_disable; 358 359 epconfig(sc, epp->epp_chipset, enaddr); 360 361 sc->enabled = 0; 362 363 ep_pcmcia_disable1(sc); 364 } 365 366 int 367 ep_pcmcia_detach(self, flags) 368 struct device *self; 369 int flags; 370 { 371 #ifdef notyet 372 struct ep_softc *sc = (struct ep_softc *)self; 373 374 /* 375 * Our softc is about to go away, so drop our reference 376 * to the ifnet. 377 */ 378 if_delref(sc->sc_ethercom.ec_if); 379 return (0); 380 #else 381 return (EBUSY); 382 #endif 383 } 384 385 int 386 ep_pcmcia_activate(self, act) 387 struct device *self; 388 enum devact act; 389 { 390 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 391 struct ep_softc *sc = &psc->sc_ep; 392 int rv = 0; 393 394 switch (act) { 395 case DVACT_ACTIVATE: 396 rv = EOPNOTSUPP; 397 break; 398 399 case DVACT_DEACTIVATE: 400 #ifdef notyet 401 /* First, kill off the interface. */ 402 if_detach(sc->sc_ethercom.ec_if); 403 #endif 404 405 /* Now disable the interface. This releases our interrupt. */ 406 epdisable(sc); 407 408 /* Unmap our i/o window. */ 409 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 410 411 /* Free our i/o space. */ 412 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 413 break; 414 } 415 return (rv); 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 10:09:58 GMT 2025