if_ep_pcmcia.c revision 1.44
1 /* $NetBSD: if_ep_pcmcia.c,v 1.44 2004/08/09 15:40:56 mycroft 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/cdefs.h> 70 __KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.44 2004/08/09 15:40:56 mycroft Exp $"); 71 72 #include <sys/param.h> 73 #include <sys/systm.h> 74 #include <sys/mbuf.h> 75 #include <sys/socket.h> 76 #include <sys/ioctl.h> 77 #include <sys/errno.h> 78 #include <sys/syslog.h> 79 #include <sys/select.h> 80 #include <sys/device.h> 81 82 #include <net/if.h> 83 #include <net/if_dl.h> 84 #include <net/if_ether.h> 85 #include <net/if_media.h> 86 87 #include <machine/cpu.h> 88 #include <machine/bus.h> 89 #include <machine/intr.h> 90 91 #include <dev/mii/miivar.h> 92 93 #include <dev/ic/elink3var.h> 94 #include <dev/ic/elink3reg.h> 95 96 #include <dev/pcmcia/pcmciareg.h> 97 #include <dev/pcmcia/pcmciavar.h> 98 #include <dev/pcmcia/pcmciadevs.h> 99 100 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *)); 101 void ep_pcmcia_attach __P((struct device *, struct device *, void *)); 102 int ep_pcmcia_detach __P((struct device *, int)); 103 104 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *)); 105 int ep_pcmcia_enable __P((struct ep_softc *)); 106 void ep_pcmcia_disable __P((struct ep_softc *)); 107 108 int ep_pcmcia_enable1 __P((struct ep_softc *)); 109 void ep_pcmcia_disable1 __P((struct ep_softc *)); 110 111 struct ep_pcmcia_softc { 112 struct ep_softc sc_ep; /* real "ep" softc */ 113 114 /* PCMCIA-specific goo */ 115 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 116 int sc_io_window; /* our i/o window */ 117 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 118 }; 119 120 CFATTACH_DECL(ep_pcmcia, sizeof(struct ep_pcmcia_softc), 121 ep_pcmcia_match, ep_pcmcia_attach, ep_pcmcia_detach, ep_activate); 122 123 const struct ep_pcmcia_product { 124 struct pcmcia_product epp_product; 125 u_short epp_chipset; /* 3Com chipset used */ 126 int epp_flags; /* initial softc flags */ 127 } ep_pcmcia_products[] = { 128 { { "", PCMCIA_VENDOR_3COM, 129 PCMCIA_PRODUCT_3COM_3C562, 0 }, 130 ELINK_CHIPSET_3C509, 0 }, 131 132 { { "", PCMCIA_VENDOR_3COM, 133 PCMCIA_PRODUCT_3COM_3C589, 0 }, 134 ELINK_CHIPSET_3C509, 0 }, 135 136 { { "", PCMCIA_VENDOR_3COM, 137 PCMCIA_PRODUCT_3COM_3CXEM556, 0 }, 138 ELINK_CHIPSET_3C509, 0 }, 139 140 { { "", PCMCIA_VENDOR_3COM, 141 PCMCIA_PRODUCT_3COM_3CXEM556INT, 0 }, 142 ELINK_CHIPSET_3C509, 0 }, 143 144 { { "", PCMCIA_VENDOR_3COM, 145 PCMCIA_PRODUCT_3COM_3C574, 0 }, 146 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 147 148 { { "", PCMCIA_VENDOR_3COM, 149 PCMCIA_PRODUCT_3COM_3CCFEM556BI, 0 }, 150 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 151 152 { { "", PCMCIA_VENDOR_3COM, 153 PCMCIA_PRODUCT_3COM_3C1, 0 }, 154 ELINK_CHIPSET_3C509, 0 }, 155 156 { { NULL } } 157 }; 158 159 int 160 ep_pcmcia_match(parent, match, aux) 161 struct device *parent; 162 struct cfdata *match; 163 void *aux; 164 { 165 struct pcmcia_attach_args *pa = aux; 166 167 if (pcmcia_product_lookup(pa, 168 (const struct pcmcia_product *)ep_pcmcia_products, 169 sizeof ep_pcmcia_products[0], NULL) != NULL) 170 return (1); 171 172 return (0); 173 } 174 175 int 176 ep_pcmcia_enable(sc) 177 struct ep_softc *sc; 178 { 179 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 180 struct pcmcia_function *pf = psc->sc_pf; 181 int error; 182 183 if ((error = ep_pcmcia_enable1(sc)) != 0) 184 return error; 185 186 /* establish the interrupt. */ 187 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 188 if (sc->sc_ih == NULL) { 189 printf("%s: couldn't establish interrupt\n", 190 sc->sc_dev.dv_xname); 191 ep_pcmcia_disable1(sc); 192 return (1); 193 } 194 195 return 0; 196 } 197 198 int 199 ep_pcmcia_enable1(sc) 200 struct ep_softc *sc; 201 { 202 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 203 struct pcmcia_function *pf = psc->sc_pf; 204 int ret; 205 206 if ((ret = pcmcia_function_enable(pf))) 207 return (ret); 208 209 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 210 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 211 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 212 int reg; 213 214 /* turn off the serial-disable bit */ 215 216 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 217 if (reg & 0x08) { 218 reg &= ~0x08; 219 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 220 } 221 222 } 223 224 return (ret); 225 } 226 227 void 228 ep_pcmcia_disable(sc) 229 struct ep_softc *sc; 230 { 231 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 232 233 /* 234 * We must disestablish the interrupt before disabling the function, 235 * because on a multifunction card the interrupt disestablishment 236 * accesses CCR registers. 237 */ 238 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 239 ep_pcmcia_disable1(sc); 240 } 241 242 void 243 ep_pcmcia_disable1(sc) 244 struct ep_softc *sc; 245 { 246 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 247 248 pcmcia_function_disable(psc->sc_pf); 249 } 250 251 void 252 ep_pcmcia_attach(parent, self, aux) 253 struct device *parent, *self; 254 void *aux; 255 { 256 struct ep_pcmcia_softc *psc = (void *) self; 257 struct ep_softc *sc = &psc->sc_ep; 258 struct pcmcia_attach_args *pa = aux; 259 struct pcmcia_config_entry *cfe; 260 const struct ep_pcmcia_product *epp; 261 u_int8_t myla[ETHER_ADDR_LEN]; 262 u_int8_t *enaddr = NULL; 263 int i; 264 265 aprint_normal("\n"); 266 267 psc->sc_pf = pa->pf; 268 cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); 269 270 /* Enable the card. */ 271 pcmcia_function_init(pa->pf, cfe); 272 if (ep_pcmcia_enable1(sc)) { 273 aprint_error("%s: function enable failed\n", self->dv_xname); 274 goto enable_failed; 275 } 276 sc->enabled = 1; 277 278 if (cfe->num_memspace != 0) { 279 aprint_error("%s: unexpected number of memory spaces %d should be 0\n", 280 self->dv_xname, cfe->num_memspace); 281 goto ioalloc_failed; 282 } 283 284 if (cfe->num_iospace != 1) { 285 aprint_error("%s: unexpected number of I/O spaces %d should be 1\n", 286 self->dv_xname, cfe->num_iospace); 287 goto ioalloc_failed; 288 } 289 290 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 291 /* 292 * the 3c562 can only use 0x??00-0x??7f 293 * according to the Linux driver 294 */ 295 296 /* 297 * 3c562 i/o may decodes address line not only A0-3 298 * but also A7. Anyway, we must sweep at most 299 * [0x0000, 0x0100). The address higher is given by a 300 * pcmcia bridge. But pcmcia bus-space allocation 301 * function implies cards will decode 10-bit address 302 * line. So we must search [0x0000, 0x0400). 303 * 304 * XXX: We must not check the bunch of I/O space range 305 * [0x400*n, 0x300 + 0x400*n) because they are 306 * reserved for legacy ISA devices and their alias 307 * images on PC/AT architecture. 308 */ 309 for (i = 0x0300; i < 0x0380; i += 0x10) { 310 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length, 311 0, &psc->sc_pcioh) == 0) 312 break; 313 } 314 if (i == 0x0380) { 315 aprint_error("%s: can't allocate i/o space\n", 316 self->dv_xname); 317 goto ioalloc_failed; 318 } 319 } else { 320 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 321 cfe->iospace[0].length, &psc->sc_pcioh)) { 322 aprint_error("%s: can't allocate i/o space\n", 323 self->dv_xname); 324 goto ioalloc_failed; 325 } 326 } 327 328 sc->sc_iot = psc->sc_pcioh.iot; 329 sc->sc_ioh = psc->sc_pcioh.ioh; 330 331 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 332 PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, 333 &psc->sc_io_window)) { 334 aprint_error("%s: can't map i/o space\n", self->dv_xname); 335 goto iomap_failed; 336 } 337 338 switch (pa->product) { 339 case PCMCIA_PRODUCT_3COM_3C562: 340 /* 341 * 3c562a-c use this; 3c562d does it in the regular way. 342 * we might want to check the revision and produce a warning 343 * in the future. 344 */ 345 /* FALLTHROUGH */ 346 case PCMCIA_PRODUCT_3COM_3C574: 347 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 348 /* 349 * Apparently, some 3c574s do it this way, as well. 350 */ 351 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 352 enaddr = myla; 353 break; 354 } 355 356 epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa, 357 (const struct pcmcia_product *)ep_pcmcia_products, 358 sizeof ep_pcmcia_products[0], NULL); 359 if (epp == NULL) 360 panic("ep_pcmcia_attach: impossible"); 361 362 sc->bustype = ELINK_BUS_PCMCIA; 363 sc->ep_flags = epp->epp_flags; 364 365 sc->enable = ep_pcmcia_enable; 366 sc->disable = ep_pcmcia_disable; 367 368 if (epconfig(sc, epp->epp_chipset, enaddr)) { 369 aprint_error("%s: couldn't configure controller\n", 370 self->dv_xname); 371 goto config_failed; 372 } 373 374 sc->enabled = 0; 375 ep_pcmcia_disable1(sc); 376 return; 377 378 config_failed: 379 /* Unmap our i/o window. */ 380 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 381 382 iomap_failed: 383 /* Free our i/o space. */ 384 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 385 386 ioalloc_failed: 387 sc->enabled = 0; 388 ep_pcmcia_disable1(sc); 389 390 enable_failed: 391 psc->sc_io_window = -1; 392 } 393 394 int 395 ep_pcmcia_detach(self, flags) 396 struct device *self; 397 int flags; 398 { 399 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 400 int rv; 401 402 if (psc->sc_io_window == -1) 403 /* Nothing to detach. */ 404 return (0); 405 406 rv = ep_detach(self, flags); 407 if (rv != 0) 408 return (rv); 409 410 /* Unmap our i/o window. */ 411 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 412 413 /* Free our i/o space. */ 414 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 415 416 return (0); 417 } 418 419 int 420 ep_pcmcia_get_enaddr(tuple, arg) 421 struct pcmcia_tuple *tuple; 422 void *arg; 423 { 424 u_int8_t *myla = arg; 425 int i; 426 427 /* this is 3c562a-c magic */ 428 if (tuple->code == 0x88) { 429 if (tuple->length < ETHER_ADDR_LEN) 430 return (0); 431 432 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 433 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 434 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 435 } 436 437 return (1); 438 } 439 return (0); 440 } 441
Indexes created Thu Oct 02 10:09:58 GMT 2025