if_ep_pcmcia.c revision 1.34
1 /* $NetBSD: if_ep_pcmcia.c,v 1.34 2001/07/01 16:35:37 thorpej 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 <sys/param.h> 70 #include <sys/systm.h> 71 #include <sys/mbuf.h> 72 #include <sys/socket.h> 73 #include <sys/ioctl.h> 74 #include <sys/errno.h> 75 #include <sys/syslog.h> 76 #include <sys/select.h> 77 #include <sys/device.h> 78 79 #include <net/if.h> 80 #include <net/if_dl.h> 81 #include <net/if_ether.h> 82 #include <net/if_media.h> 83 84 #include <machine/cpu.h> 85 #include <machine/bus.h> 86 #include <machine/intr.h> 87 88 #include <dev/mii/miivar.h> 89 90 #include <dev/ic/elink3var.h> 91 #include <dev/ic/elink3reg.h> 92 93 #include <dev/pcmcia/pcmciareg.h> 94 #include <dev/pcmcia/pcmciavar.h> 95 #include <dev/pcmcia/pcmciadevs.h> 96 97 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *)); 98 void ep_pcmcia_attach __P((struct device *, struct device *, void *)); 99 int ep_pcmcia_detach __P((struct device *, int)); 100 101 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 102 int ep_pcmcia_enable __P((struct ep_softc *)); 103 void ep_pcmcia_disable __P((struct ep_softc *)); 104 105 int ep_pcmcia_enable1 __P((struct ep_softc *)); 106 void ep_pcmcia_disable1 __P((struct ep_softc *)); 107 108 struct ep_pcmcia_softc { 109 struct ep_softc sc_ep; /* real "ep" softc */ 110 111 /* PCMCIA-specific goo */ 112 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 113 int sc_io_window; /* our i/o window */ 114 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 115 }; 116 117 struct cfattach ep_pcmcia_ca = { 118 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach, 119 ep_pcmcia_detach, ep_activate 120 }; 121 122 const struct ep_pcmcia_product { 123 struct pcmcia_product epp_product; 124 u_short epp_chipset; /* 3Com chipset used */ 125 int epp_flags; /* initial softc flags */ 126 } ep_pcmcia_products[] = { 127 { { PCMCIA_STR_3COM_3C562, PCMCIA_VENDOR_3COM, 128 PCMCIA_PRODUCT_3COM_3C562, 0 }, 129 ELINK_CHIPSET_3C509, 0 }, 130 131 { { PCMCIA_STR_3COM_3C589, PCMCIA_VENDOR_3COM, 132 PCMCIA_PRODUCT_3COM_3C589, 0 }, 133 ELINK_CHIPSET_3C509, 0 }, 134 135 { { PCMCIA_STR_3COM_3CXEM556, PCMCIA_VENDOR_3COM, 136 PCMCIA_PRODUCT_3COM_3CXEM556, 0 }, 137 ELINK_CHIPSET_3C509, 0 }, 138 139 { { PCMCIA_STR_3COM_3CXEM556INT, PCMCIA_VENDOR_3COM, 140 PCMCIA_PRODUCT_3COM_3CXEM556INT, 0 }, 141 ELINK_CHIPSET_3C509, 0 }, 142 143 { { PCMCIA_STR_3COM_3C574, PCMCIA_VENDOR_3COM, 144 PCMCIA_PRODUCT_3COM_3C574, 0 }, 145 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 146 147 { { PCMCIA_STR_3COM_3CCFEM556BI, PCMCIA_VENDOR_3COM, 148 PCMCIA_PRODUCT_3COM_3CCFEM556BI, 0 }, 149 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 150 151 { { PCMCIA_STR_3COM_3C1, PCMCIA_VENDOR_3COM, 152 PCMCIA_PRODUCT_3COM_3C1, 0 }, 153 ELINK_CHIPSET_3C509, 0 }, 154 155 { { NULL } } 156 }; 157 158 int 159 ep_pcmcia_match(parent, match, aux) 160 struct device *parent; 161 struct cfdata *match; 162 void *aux; 163 { 164 struct pcmcia_attach_args *pa = aux; 165 166 if (pcmcia_product_lookup(pa, 167 (const struct pcmcia_product *)ep_pcmcia_products, 168 sizeof ep_pcmcia_products[0], NULL) != NULL) 169 return (1); 170 171 return (0); 172 } 173 174 int 175 ep_pcmcia_enable(sc) 176 struct ep_softc *sc; 177 { 178 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 179 struct pcmcia_function *pf = psc->sc_pf; 180 int error; 181 182 /* establish the interrupt. */ 183 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 184 if (sc->sc_ih == NULL) { 185 printf("%s: couldn't establish interrupt\n", 186 sc->sc_dev.dv_xname); 187 return (1); 188 } 189 190 error = ep_pcmcia_enable1(sc); 191 if (error != 0) 192 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 193 return (error); 194 } 195 196 int 197 ep_pcmcia_enable1(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 ret; 203 204 if ((ret = pcmcia_function_enable(pf))) 205 return (ret); 206 207 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 208 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 209 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 210 int reg; 211 212 /* turn off the serial-disable bit */ 213 214 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 215 if (reg & 0x08) { 216 reg &= ~0x08; 217 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 218 } 219 220 } 221 222 return (ret); 223 } 224 225 void 226 ep_pcmcia_disable(sc) 227 struct ep_softc *sc; 228 { 229 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 230 231 /* 232 * We must disestablish the interrupt before disabling the function, 233 * because on a multifunction card the interrupt disestablishment 234 * accesses CCR registers. 235 */ 236 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 237 ep_pcmcia_disable1(sc); 238 } 239 240 void 241 ep_pcmcia_disable1(sc) 242 struct ep_softc *sc; 243 { 244 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 245 246 pcmcia_function_disable(psc->sc_pf); 247 } 248 249 void 250 ep_pcmcia_attach(parent, self, aux) 251 struct device *parent, *self; 252 void *aux; 253 { 254 struct ep_pcmcia_softc *psc = (void *) self; 255 struct ep_softc *sc = &psc->sc_ep; 256 struct pcmcia_attach_args *pa = aux; 257 struct pcmcia_config_entry *cfe; 258 const struct ep_pcmcia_product *epp; 259 u_int8_t myla[ETHER_ADDR_LEN]; 260 u_int8_t *enaddr = NULL; 261 int i; 262 263 psc->sc_pf = pa->pf; 264 cfe = pa->pf->cfe_head.sqh_first; 265 266 /* Enable the card. */ 267 pcmcia_function_init(pa->pf, cfe); 268 if (ep_pcmcia_enable1(sc)) { 269 printf(": function enable failed\n"); 270 goto enable_failed; 271 } 272 sc->enabled = 1; 273 274 if (cfe->num_memspace != 0) { 275 printf(": unexpected number of memory spaces %d should be 0\n", 276 cfe->num_memspace); 277 goto ioalloc_failed; 278 } 279 280 if (cfe->num_iospace != 1) { 281 printf(": unexpected number of I/O spaces %d should be 1\n", 282 cfe->num_iospace); 283 goto ioalloc_failed; 284 } 285 286 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 287 bus_addr_t maxaddr = pa->pf->sc->iobase + pa->pf->sc->iosize; 288 289 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) { 290 /* 291 * the 3c562 can only use 0x??00-0x??7f 292 * according to the Linux driver 293 */ 294 if (i & 0x80) 295 continue; 296 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 297 0, &psc->sc_pcioh) == 0) 298 break; 299 } 300 if (i >= maxaddr) { 301 printf(": can't allocate i/o space\n"); 302 goto ioalloc_failed; 303 } 304 } else { 305 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 306 cfe->iospace[0].length, &psc->sc_pcioh)) { 307 printf(": can't allocate i/o space\n"); 308 goto ioalloc_failed; 309 } 310 } 311 312 sc->sc_iot = psc->sc_pcioh.iot; 313 sc->sc_ioh = psc->sc_pcioh.ioh; 314 315 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 316 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length, 317 &psc->sc_pcioh, &psc->sc_io_window)) { 318 printf(": can't map i/o space\n"); 319 goto iomap_failed; 320 } 321 322 switch (pa->product) { 323 case PCMCIA_PRODUCT_3COM_3C562: 324 /* 325 * 3c562a-c use this; 3c562d does it in the regular way. 326 * we might want to check the revision and produce a warning 327 * in the future. 328 */ 329 /* FALLTHROUGH */ 330 case PCMCIA_PRODUCT_3COM_3C574: 331 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 332 /* 333 * Apparently, some 3c574s do it this way, as well. 334 */ 335 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 336 enaddr = myla; 337 break; 338 } 339 340 epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa, 341 (const struct pcmcia_product *)ep_pcmcia_products, 342 sizeof ep_pcmcia_products[0], NULL); 343 if (epp == NULL) 344 panic("ep_pcmcia_attach: impossible"); 345 346 printf(": %s\n", epp->epp_product.pp_name); 347 348 sc->bustype = ELINK_BUS_PCMCIA; 349 sc->ep_flags = epp->epp_flags; 350 351 sc->enable = ep_pcmcia_enable; 352 sc->disable = ep_pcmcia_disable; 353 354 if (epconfig(sc, epp->epp_chipset, enaddr)) { 355 printf("%s: couldn't configure controller\n", 356 sc->sc_dev.dv_xname); 357 goto config_failed; 358 } 359 360 sc->enabled = 0; 361 ep_pcmcia_disable1(sc); 362 return; 363 364 config_failed: 365 /* Unmap our i/o window. */ 366 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 367 368 iomap_failed: 369 /* Free our i/o space. */ 370 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 371 372 ioalloc_failed: 373 sc->enabled = 0; 374 ep_pcmcia_disable1(sc); 375 376 enable_failed: 377 psc->sc_io_window = -1; 378 } 379 380 int 381 ep_pcmcia_detach(self, flags) 382 struct device *self; 383 int flags; 384 { 385 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 386 int rv; 387 388 if (psc->sc_io_window == -1) 389 /* Nothing to detach. */ 390 return (0); 391 392 rv = ep_detach(self, flags); 393 if (rv != 0) 394 return (rv); 395 396 /* Unmap our i/o window. */ 397 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 398 399 /* Free our i/o space. */ 400 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 401 402 return (0); 403 } 404 405 int 406 ep_pcmcia_get_enaddr(tuple, arg) 407 struct pcmcia_tuple *tuple; 408 void *arg; 409 { 410 u_int8_t *myla = arg; 411 int i; 412 413 /* this is 3c562a-c magic */ 414 if (tuple->code == 0x88) { 415 if (tuple->length < ETHER_ADDR_LEN) 416 return (0); 417 418 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 419 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 420 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 421 } 422 423 return (1); 424 } 425 return (0); 426 } 427
Indexes created Wed Oct 29 06:09:47 GMT 2025