if_ep_pcmcia.c revision 1.49
1 /* $NetBSD: if_ep_pcmcia.c,v 1.49 2004/08/10 15:29:56 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2000, 2004 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, and by Charles M. Hannum. 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 1.49 2004/08/10 15:29:56 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 void ep_pcmcia_disable1 __P((struct ep_softc *)); 109 110 struct ep_pcmcia_softc { 111 struct ep_softc sc_ep; /* real "ep" softc */ 112 113 /* PCMCIA-specific goo */ 114 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 115 int sc_io_window; /* our i/o window */ 116 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 117 }; 118 119 CFATTACH_DECL(ep_pcmcia, sizeof(struct ep_pcmcia_softc), 120 ep_pcmcia_match, ep_pcmcia_attach, ep_pcmcia_detach, ep_activate); 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_VENDOR_3COM, 128 PCMCIA_PRODUCT_3COM_3C562, 0 }, 129 ELINK_CHIPSET_3C509, 0 }, 130 131 { { "", PCMCIA_VENDOR_3COM, 132 PCMCIA_PRODUCT_3COM_3C589, 0 }, 133 ELINK_CHIPSET_3C509, 0 }, 134 135 { { "", PCMCIA_VENDOR_3COM, 136 PCMCIA_PRODUCT_3COM_3CXEM556, 0 }, 137 ELINK_CHIPSET_3C509, 0 }, 138 139 { { "", PCMCIA_VENDOR_3COM, 140 PCMCIA_PRODUCT_3COM_3CXEM556INT, 0 }, 141 ELINK_CHIPSET_3C509, 0 }, 142 143 { { "", PCMCIA_VENDOR_3COM, 144 PCMCIA_PRODUCT_3COM_3C574, 0 }, 145 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 146 147 { { "", PCMCIA_VENDOR_3COM, 148 PCMCIA_PRODUCT_3COM_3CCFEM556BI, 0 }, 149 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 150 151 { { "", 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) 185 return (EIO); 186 187 error = pcmcia_function_enable(pf); 188 if (error) { 189 pcmcia_intr_disestablish(pf, sc->sc_ih); 190 return (error); 191 } 192 193 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 194 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 195 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 196 int reg; 197 198 /* turn off the serial-disable bit */ 199 200 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 201 if (reg & 0x08) { 202 reg &= ~0x08; 203 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 204 } 205 206 } 207 208 return (0); 209 } 210 211 void 212 ep_pcmcia_disable(sc) 213 struct ep_softc *sc; 214 { 215 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 216 217 pcmcia_function_disable(psc->sc_pf); 218 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 219 sc->sc_ih = 0; 220 } 221 222 void 223 ep_pcmcia_attach(parent, self, aux) 224 struct device *parent, *self; 225 void *aux; 226 { 227 struct ep_pcmcia_softc *psc = (void *) self; 228 struct ep_softc *sc = &psc->sc_ep; 229 struct pcmcia_attach_args *pa = aux; 230 struct pcmcia_config_entry *cfe; 231 const struct ep_pcmcia_product *epp; 232 u_int8_t myla[ETHER_ADDR_LEN]; 233 u_int8_t *enaddr = NULL; 234 int i; 235 int error; 236 237 aprint_normal("\n"); 238 psc->sc_pf = pa->pf; 239 240 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 241 if (cfe->num_memspace != 0) 242 continue; 243 if (cfe->num_iospace != 1) 244 continue; 245 246 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 247 /* 248 * the 3c562 can only use 0x??00-0x??7f 249 * according to the Linux driver 250 */ 251 252 /* 253 * 3c562 i/o may decodes address line not only A0-3 254 * but also A7. Anyway, we must sweep at most 255 * [0x0000, 0x0100). The address higher is given by a 256 * pcmcia bridge. But pcmcia bus-space allocation 257 * function implies cards will decode 10-bit address 258 * line. So we must search [0x0000, 0x0400). 259 * 260 * XXX: We must not check the bunch of I/O space range 261 * [0x400*n, 0x300 + 0x400*n) because they are 262 * reserved for legacy ISA devices and their alias 263 * images on PC/AT architecture. 264 */ 265 for (i = 0x0300; i < 0x0380; i += 0x10) { 266 if (pcmcia_io_alloc(pa->pf, i, 267 cfe->iospace[0].length, 268 cfe->iospace[0].length, 269 &psc->sc_pcioh) == 0) 270 break; 271 } 272 if (i != 0x0380) 273 break; 274 } else { 275 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, 276 cfe->iospace[0].length, cfe->iospace[0].length, 277 &psc->sc_pcioh) == 0) 278 break; 279 } 280 } 281 if (!cfe) { 282 aprint_error("%s: failed to allocate I/O space\n", 283 self->dv_xname); 284 goto ioalloc_failed; 285 } 286 287 sc->sc_iot = psc->sc_pcioh.iot; 288 sc->sc_ioh = psc->sc_pcioh.ioh; 289 290 /* Enable the card. */ 291 pcmcia_function_init(pa->pf, cfe); 292 293 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 294 PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, 295 &psc->sc_io_window)) { 296 aprint_error("%s: can't map i/o space\n", self->dv_xname); 297 goto iomap_failed; 298 } 299 300 error = ep_pcmcia_enable(sc); 301 if (error) 302 goto enable_failed; 303 sc->enabled = 1; 304 305 switch (pa->product) { 306 case PCMCIA_PRODUCT_3COM_3C562: 307 /* 308 * 3c562a-c use this; 3c562d does it in the regular way. 309 * we might want to check the revision and produce a warning 310 * in the future. 311 */ 312 /* FALLTHROUGH */ 313 case PCMCIA_PRODUCT_3COM_3C574: 314 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 315 /* 316 * Apparently, some 3c574s do it this way, as well. 317 */ 318 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 319 enaddr = myla; 320 break; 321 } 322 323 epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa, 324 (const struct pcmcia_product *)ep_pcmcia_products, 325 sizeof ep_pcmcia_products[0], NULL); 326 if (epp == NULL) 327 panic("ep_pcmcia_attach: impossible"); 328 329 sc->bustype = ELINK_BUS_PCMCIA; 330 sc->ep_flags = epp->epp_flags; 331 332 sc->enable = ep_pcmcia_enable; 333 sc->disable = ep_pcmcia_disable; 334 335 if (epconfig(sc, epp->epp_chipset, enaddr)) 336 aprint_error("%s: couldn't configure controller\n", 337 self->dv_xname); 338 339 sc->enabled = 0; 340 ep_pcmcia_disable(sc); 341 return; 342 343 enable_failed: 344 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 345 iomap_failed: 346 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 347 ioalloc_failed: 348 psc->sc_io_window = -1; 349 } 350 351 int 352 ep_pcmcia_detach(self, flags) 353 struct device *self; 354 int flags; 355 { 356 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 357 int rv; 358 359 if (psc->sc_io_window == -1) 360 /* Nothing to detach. */ 361 return (0); 362 363 rv = ep_detach(self, flags); 364 if (rv != 0) 365 return (rv); 366 367 /* Unmap our i/o window. */ 368 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 369 370 /* Free our i/o space. */ 371 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 372 373 return (0); 374 } 375 376 int 377 ep_pcmcia_get_enaddr(tuple, arg) 378 struct pcmcia_tuple *tuple; 379 void *arg; 380 { 381 u_int8_t *myla = arg; 382 int i; 383 384 /* this is 3c562a-c magic */ 385 if (tuple->code == 0x88) { 386 if (tuple->length < ETHER_ADDR_LEN) 387 return (0); 388 389 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 390 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 391 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 392 } 393 394 return (1); 395 } 396 return (0); 397 } 398
Indexes created Wed Oct 01 19:09:53 GMT 2025