if_ep_pcmcia.c revision 1.33.4.1
1 /* $NetBSD: if_ep_pcmcia.c,v 1.33.4.1 2002/03/28 22:59:30 he 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 { { PCMCIA_STR_3COM_3C1, PCMCIA_VENDOR_3COM, 174 PCMCIA_PRODUCT_3COM_3C1, 0 }, 175 ELINK_CHIPSET_3C509, 0 }, 176 177 { { NULL } } 178 }; 179 180 int 181 ep_pcmcia_match(parent, match, aux) 182 struct device *parent; 183 struct cfdata *match; 184 void *aux; 185 { 186 struct pcmcia_attach_args *pa = aux; 187 188 if (pcmcia_product_lookup(pa, 189 (const struct pcmcia_product *)ep_pcmcia_products, 190 sizeof ep_pcmcia_products[0], NULL) != NULL) 191 return (1); 192 193 return (0); 194 } 195 196 int 197 ep_pcmcia_enable(sc) 198 struct ep_softc *sc; 199 { 200 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 201 struct pcmcia_function *pf = psc->sc_pf; 202 int error; 203 204 /* establish the interrupt. */ 205 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 206 if (sc->sc_ih == NULL) { 207 printf("%s: couldn't establish interrupt\n", 208 sc->sc_dev.dv_xname); 209 return (1); 210 } 211 212 error = ep_pcmcia_enable1(sc); 213 if (error != 0) 214 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 215 return (error); 216 } 217 218 int 219 ep_pcmcia_enable1(sc) 220 struct ep_softc *sc; 221 { 222 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 223 struct pcmcia_function *pf = psc->sc_pf; 224 int ret; 225 226 if ((ret = pcmcia_function_enable(pf))) 227 return (ret); 228 229 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 230 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 231 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 232 int reg; 233 234 /* turn off the serial-disable bit */ 235 236 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 237 if (reg & 0x08) { 238 reg &= ~0x08; 239 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 240 } 241 242 } 243 244 return (ret); 245 } 246 247 void 248 ep_pcmcia_disable(sc) 249 struct ep_softc *sc; 250 { 251 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 252 253 /* 254 * We must disestablish the interrupt before disabling the function, 255 * because on a multifunction card the interrupt disestablishment 256 * accesses CCR registers. 257 */ 258 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 259 ep_pcmcia_disable1(sc); 260 } 261 262 void 263 ep_pcmcia_disable1(sc) 264 struct ep_softc *sc; 265 { 266 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 267 268 pcmcia_function_disable(psc->sc_pf); 269 } 270 271 void 272 ep_pcmcia_attach(parent, self, aux) 273 struct device *parent, *self; 274 void *aux; 275 { 276 struct ep_pcmcia_softc *psc = (void *) self; 277 struct ep_softc *sc = &psc->sc_ep; 278 struct pcmcia_attach_args *pa = aux; 279 struct pcmcia_config_entry *cfe; 280 const struct ep_pcmcia_product *epp; 281 u_int8_t myla[ETHER_ADDR_LEN]; 282 u_int8_t *enaddr = NULL; 283 int i; 284 285 psc->sc_pf = pa->pf; 286 cfe = pa->pf->cfe_head.sqh_first; 287 288 /* Enable the card. */ 289 pcmcia_function_init(pa->pf, cfe); 290 if (ep_pcmcia_enable1(sc)) { 291 printf(": function enable failed\n"); 292 goto enable_failed; 293 } 294 sc->enabled = 1; 295 296 if (cfe->num_memspace != 0) { 297 printf(": unexpected number of memory spaces %d should be 0\n", 298 cfe->num_memspace); 299 goto ioalloc_failed; 300 } 301 302 if (cfe->num_iospace != 1) { 303 printf(": unexpected number of I/O spaces %d should be 1\n", 304 cfe->num_iospace); 305 goto ioalloc_failed; 306 } 307 308 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 309 /* 310 * the 3c562 can only use 0x??00-0x??7f 311 * according to the Linux driver 312 */ 313 314 /* 315 * 3c562 i/o may decodes address line not only A0-3 316 * but also A7. Anyway, we must sweep at most 317 * [0x0000, 0x0100). The address higher is given by a 318 * pcmcia bridge. But pcmcia bus-space allocation 319 * function implies cards will decode 10-bit address 320 * line. So we must search [0x0000, 0x0400). 321 * 322 * XXX: We must not check the bunch of I/O space range 323 * [0x400*n, 0x300 + 0x400*n) because they are 324 * reserved for legacy ISA devices and their alias 325 * images on PC/AT architecture. 326 */ 327 for (i = 0x0300; i < 0x0380; i += 0x10) { 328 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 329 0, &psc->sc_pcioh) == 0) 330 break; 331 } 332 if (i == 0x0380) { 333 printf(": can't allocate i/o space\n"); 334 goto ioalloc_failed; 335 } 336 } else { 337 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 338 cfe->iospace[0].length, &psc->sc_pcioh)) { 339 printf(": can't allocate i/o space\n"); 340 goto ioalloc_failed; 341 } 342 } 343 344 sc->sc_iot = psc->sc_pcioh.iot; 345 sc->sc_ioh = psc->sc_pcioh.ioh; 346 347 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 348 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length, 349 &psc->sc_pcioh, &psc->sc_io_window)) { 350 printf(": can't map i/o space\n"); 351 goto iomap_failed; 352 } 353 354 switch (pa->product) { 355 case PCMCIA_PRODUCT_3COM_3C562: 356 /* 357 * 3c562a-c use this; 3c562d does it in the regular way. 358 * we might want to check the revision and produce a warning 359 * in the future. 360 */ 361 /* FALLTHROUGH */ 362 case PCMCIA_PRODUCT_3COM_3C574: 363 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 364 /* 365 * Apparently, some 3c574s do it this way, as well. 366 */ 367 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 368 enaddr = myla; 369 break; 370 } 371 372 epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa, 373 (const struct pcmcia_product *)ep_pcmcia_products, 374 sizeof ep_pcmcia_products[0], NULL); 375 if (epp == NULL) 376 panic("ep_pcmcia_attach: impossible"); 377 378 printf(": %s\n", epp->epp_product.pp_name); 379 380 sc->bustype = ELINK_BUS_PCMCIA; 381 sc->ep_flags = epp->epp_flags; 382 383 sc->enable = ep_pcmcia_enable; 384 sc->disable = ep_pcmcia_disable; 385 386 if (epconfig(sc, epp->epp_chipset, enaddr)) { 387 printf("%s: couldn't configure controller\n", 388 sc->sc_dev.dv_xname); 389 goto config_failed; 390 } 391 392 sc->enabled = 0; 393 ep_pcmcia_disable1(sc); 394 return; 395 396 config_failed: 397 /* Unmap our i/o window. */ 398 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 399 400 iomap_failed: 401 /* Free our i/o space. */ 402 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 403 404 ioalloc_failed: 405 sc->enabled = 0; 406 ep_pcmcia_disable1(sc); 407 408 enable_failed: 409 psc->sc_io_window = -1; 410 } 411 412 int 413 ep_pcmcia_detach(self, flags) 414 struct device *self; 415 int flags; 416 { 417 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 418 int rv; 419 420 if (psc->sc_io_window == -1) 421 /* Nothing to detach. */ 422 return (0); 423 424 rv = ep_detach(self, flags); 425 if (rv != 0) 426 return (rv); 427 428 /* Unmap our i/o window. */ 429 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 430 431 /* Free our i/o space. */ 432 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 433 434 return (0); 435 } 436 437 int 438 ep_pcmcia_get_enaddr(tuple, arg) 439 struct pcmcia_tuple *tuple; 440 void *arg; 441 { 442 u_int8_t *myla = arg; 443 int i; 444 445 /* this is 3c562a-c magic */ 446 if (tuple->code == 0x88) { 447 if (tuple->length < ETHER_ADDR_LEN) 448 return (0); 449 450 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 451 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 452 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 453 } 454 455 return (1); 456 } 457 return (0); 458 } 459
Indexes created Sat Oct 25 10:09:55 GMT 2025