if_ep_pcmcia.c revision 1.22
1 /* $NetBSD: if_ep_pcmcia.c,v 1.22 1999/05/09 18:48:52 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)); 122 123 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 struct ep_pcmcia_product { 145 u_int32_t epp_product; /* PCMCIA product ID */ 146 u_short epp_chipset; /* 3Com chipset used */ 147 int epp_flags; /* initial softc flags */ 148 int epp_expfunc; /* expected function */ 149 const char *epp_name; /* device name */ 150 } ep_pcmcia_products[] = { 151 { PCMCIA_PRODUCT_3COM_3C562, ELINK_CHIPSET_3C509, 152 0, 0, 153 PCMCIA_STR_3COM_3C562 }, 154 { PCMCIA_PRODUCT_3COM_3C589, ELINK_CHIPSET_3C509, 155 0, 0, 156 PCMCIA_STR_3COM_3C589 }, 157 158 { PCMCIA_PRODUCT_3COM_3CXEM556, ELINK_CHIPSET_3C509, 159 0, 0, 160 PCMCIA_STR_3COM_3CXEM556 }, 161 162 { PCMCIA_PRODUCT_3COM_3C574, ELINK_CHIPSET_ROADRUNNER, 163 ELINK_FLAGS_MII, 0, 164 PCMCIA_STR_3COM_3C574 }, 165 166 { 0, 0, 167 0, 0, 168 NULL }, 169 }; 170 171 struct ep_pcmcia_product *ep_pcmcia_lookup __P((struct pcmcia_attach_args *)); 172 173 struct ep_pcmcia_product * 174 ep_pcmcia_lookup(pa) 175 struct pcmcia_attach_args *pa; 176 { 177 struct ep_pcmcia_product *epp; 178 179 for (epp = ep_pcmcia_products; epp->epp_name != NULL; epp++) 180 if (pa->product == epp->epp_product && 181 pa->pf->number == epp->epp_expfunc) 182 return (epp); 183 184 return (NULL); 185 } 186 187 int 188 ep_pcmcia_match(parent, match, aux) 189 struct device *parent; 190 struct cfdata *match; 191 void *aux; 192 { 193 struct pcmcia_attach_args *pa = aux; 194 195 if (pa->manufacturer != PCMCIA_VENDOR_3COM) 196 return (0); 197 198 if (ep_pcmcia_lookup(pa) != NULL) 199 return (1); 200 201 return (0); 202 } 203 204 int 205 ep_pcmcia_enable(sc) 206 struct ep_softc *sc; 207 { 208 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 209 struct pcmcia_function *pf = psc->sc_pf; 210 211 /* establish the interrupt. */ 212 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 213 if (sc->sc_ih == NULL) { 214 printf("%s: couldn't establish interrupt\n", 215 sc->sc_dev.dv_xname); 216 return (1); 217 } 218 219 return (ep_pcmcia_enable1(sc)); 220 } 221 222 int 223 ep_pcmcia_enable1(sc) 224 struct ep_softc *sc; 225 { 226 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 227 struct pcmcia_function *pf = psc->sc_pf; 228 int ret; 229 230 if ((ret = pcmcia_function_enable(pf))) 231 return (ret); 232 233 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 234 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556)) { 235 int reg; 236 237 /* turn off the serial-disable bit */ 238 239 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 240 if (reg & 0x08) { 241 reg &= ~0x08; 242 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 243 } 244 245 } 246 247 return (ret); 248 } 249 250 void 251 ep_pcmcia_disable(sc) 252 struct ep_softc *sc; 253 { 254 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 255 256 ep_pcmcia_disable1(sc); 257 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 258 } 259 260 void 261 ep_pcmcia_disable1(sc) 262 struct ep_softc *sc; 263 { 264 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 265 266 pcmcia_function_disable(psc->sc_pf); 267 } 268 269 void 270 ep_pcmcia_attach(parent, self, aux) 271 struct device *parent, *self; 272 void *aux; 273 { 274 struct ep_pcmcia_softc *psc = (void *) self; 275 struct ep_softc *sc = &psc->sc_ep; 276 struct pcmcia_attach_args *pa = aux; 277 struct pcmcia_config_entry *cfe; 278 struct ep_pcmcia_product *epp; 279 u_int8_t myla[ETHER_ADDR_LEN]; 280 u_int8_t *enaddr = NULL; 281 int i; 282 283 psc->sc_pf = pa->pf; 284 cfe = pa->pf->cfe_head.sqh_first; 285 286 /* Enable the card. */ 287 pcmcia_function_init(pa->pf, cfe); 288 if (ep_pcmcia_enable1(sc)) 289 printf(": function enable failed\n"); 290 291 sc->enabled = 1; 292 293 if (cfe->num_memspace != 0) 294 printf(": unexpected number of memory spaces %d should be 0\n", 295 cfe->num_memspace); 296 297 if (cfe->num_iospace != 1) 298 printf(": unexpected number of I/O spaces %d should be 1\n", 299 cfe->num_iospace); 300 301 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 302 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize); 303 304 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) { 305 /* 306 * the 3c562 can only use 0x??00-0x??7f 307 * according to the Linux driver 308 */ 309 if (i & 0x80) 310 continue; 311 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 312 0, &psc->sc_pcioh) == 0) 313 break; 314 } 315 if (i >= maxaddr) { 316 printf(": can't allocate i/o space\n"); 317 return; 318 } 319 } else { 320 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 321 cfe->iospace[0].length, &psc->sc_pcioh)) 322 printf(": can't allocate i/o space\n"); 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 return; 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 /* 345 * Apparently, some 3c574s do it this way, as well. 346 */ 347 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 348 enaddr = myla; 349 break; 350 } 351 352 epp = ep_pcmcia_lookup(pa); 353 if (epp == NULL) 354 panic("ep_pcmcia_attach: impossible"); 355 356 printf(": %s\n", epp->epp_name); 357 358 sc->bustype = ELINK_BUS_PCMCIA; 359 sc->ep_flags = epp->epp_flags; 360 361 sc->enable = ep_pcmcia_enable; 362 sc->disable = ep_pcmcia_disable; 363 364 epconfig(sc, epp->epp_chipset, enaddr); 365 366 sc->enabled = 0; 367 368 ep_pcmcia_disable1(sc); 369 } 370 371 int 372 ep_pcmcia_detach(self, flags) 373 struct device *self; 374 int flags; 375 { 376 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 377 378 /* Unmap our i/o window. */ 379 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 380 381 /* Free our i/o space. */ 382 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 383 384 #ifdef notyet 385 /* 386 * Our softc is about to go away, so drop our reference 387 * to the ifnet. 388 */ 389 if_delref(psc->sc_ep.sc_ethercom.ec_if); 390 return (0); 391 #else 392 return (EBUSY); 393 #endif 394 } 395 396 int 397 ep_pcmcia_get_enaddr(tuple, arg) 398 struct pcmcia_tuple *tuple; 399 void *arg; 400 { 401 u_int8_t *myla = arg; 402 int i; 403 404 /* this is 3c562a-c magic */ 405 if (tuple->code == 0x88) { 406 if (tuple->length < ETHER_ADDR_LEN) 407 return (0); 408 409 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 410 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 411 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 412 } 413 414 return (1); 415 } 416 return (0); 417 } 418
Indexes created Wed Oct 01 19:09:53 GMT 2025