if_ep_pcmcia.c revision 1.56
1 /* $NetBSD: if_ep_pcmcia.c,v 1.56 2006/09/24 03:54:00 jmcneill 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 1.56 2006/09/24 03:54:00 jmcneill 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(struct device *, struct cfdata *, void *); 101 void ep_pcmcia_attach(struct device *, struct device *, void *); 102 int ep_pcmcia_detach(struct device *, int); 103 104 int ep_pcmcia_get_enaddr(struct pcmcia_tuple *, void *); 105 int ep_pcmcia_enable(struct ep_softc *); 106 void ep_pcmcia_disable(struct ep_softc *); 107 108 void ep_pcmcia_disable1(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 void *sc_powerhook; /* power management hook */ 119 }; 120 121 CFATTACH_DECL(ep_pcmcia, sizeof(struct ep_pcmcia_softc), 122 ep_pcmcia_match, ep_pcmcia_attach, ep_pcmcia_detach, ep_activate); 123 124 const struct ep_pcmcia_product { 125 struct pcmcia_product epp_product; 126 u_short epp_chipset; /* 3Com chipset used */ 127 int epp_flags; /* initial softc flags */ 128 } ep_pcmcia_products[] = { 129 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C562, 130 PCMCIA_CIS_INVALID }, 131 ELINK_CHIPSET_3C509, 0 }, 132 133 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C589, 134 PCMCIA_CIS_INVALID }, 135 ELINK_CHIPSET_3C509, 0 }, 136 137 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556, 138 PCMCIA_CIS_INVALID }, 139 ELINK_CHIPSET_3C509, 0 }, 140 141 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556INT, 142 PCMCIA_CIS_INVALID }, 143 ELINK_CHIPSET_3C509, 0 }, 144 145 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C574, 146 PCMCIA_CIS_INVALID }, 147 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 148 149 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CCFEM556BI, 150 PCMCIA_CIS_INVALID }, 151 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 152 153 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C1, 154 PCMCIA_CIS_INVALID }, 155 ELINK_CHIPSET_3C509, 0 }, 156 }; 157 const size_t ep_pcmcia_nproducts = 158 sizeof(ep_pcmcia_products) / sizeof(ep_pcmcia_products[0]); 159 160 int 161 ep_pcmcia_match(parent, match, aux) 162 struct device *parent; 163 struct cfdata *match; 164 void *aux; 165 { 166 struct pcmcia_attach_args *pa = aux; 167 168 /* This is to differentiate the serial function of some cards. */ 169 if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) 170 return (0); 171 172 if (pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, 173 sizeof(ep_pcmcia_products[0]), NULL)) 174 return (1); 175 return (0); 176 } 177 178 int 179 ep_pcmcia_enable(sc) 180 struct ep_softc *sc; 181 { 182 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 183 struct pcmcia_function *pf = psc->sc_pf; 184 int error; 185 186 /* establish the interrupt. */ 187 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 188 if (!sc->sc_ih) 189 return (EIO); 190 191 error = pcmcia_function_enable(pf); 192 if (error) { 193 pcmcia_intr_disestablish(pf, sc->sc_ih); 194 sc->sc_ih = 0; 195 return (error); 196 } 197 198 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 199 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 200 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 201 int reg; 202 203 /* turn off the serial-disable bit */ 204 205 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 206 if (reg & 0x08) { 207 reg &= ~0x08; 208 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 209 } 210 211 } 212 213 return (0); 214 } 215 216 void 217 ep_pcmcia_disable(sc) 218 struct ep_softc *sc; 219 { 220 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 221 222 pcmcia_function_disable(psc->sc_pf); 223 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 224 sc->sc_ih = 0; 225 } 226 227 void 228 ep_pcmcia_attach(parent, self, aux) 229 struct device *parent, *self; 230 void *aux; 231 { 232 struct ep_pcmcia_softc *psc = (void *) self; 233 struct ep_softc *sc = &psc->sc_ep; 234 struct pcmcia_attach_args *pa = aux; 235 struct pcmcia_config_entry *cfe; 236 const struct ep_pcmcia_product *epp; 237 u_int8_t myla[ETHER_ADDR_LEN]; 238 u_int8_t *enaddr = NULL; 239 int i; 240 int error; 241 242 psc->sc_pf = pa->pf; 243 244 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 245 if (cfe->num_memspace != 0) 246 continue; 247 if (cfe->num_iospace != 1) 248 continue; 249 250 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 251 /* 252 * the 3c562 can only use 0x??00-0x??7f 253 * according to the Linux driver 254 */ 255 256 /* 257 * 3c562 i/o may decodes address line not only A0-3 258 * but also A7. Anyway, we must sweep at most 259 * [0x0000, 0x0100). The address higher is given by a 260 * pcmcia bridge. But pcmcia bus-space allocation 261 * function implies cards will decode 10-bit address 262 * line. So we must search [0x0000, 0x0400). 263 * 264 * XXX: We must not check the bunch of I/O space range 265 * [0x400*n, 0x300 + 0x400*n) because they are 266 * reserved for legacy ISA devices and their alias 267 * images on PC/AT architecture. 268 */ 269 for (i = 0x0300; i < 0x0380; i += 0x10) { 270 if (pcmcia_io_alloc(pa->pf, i, 271 cfe->iospace[0].length, 272 cfe->iospace[0].length, 273 &psc->sc_pcioh) == 0) 274 break; 275 } 276 if (i != 0x0380) 277 break; 278 } else { 279 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, 280 cfe->iospace[0].length, cfe->iospace[0].length, 281 &psc->sc_pcioh) == 0) 282 break; 283 } 284 } 285 if (!cfe) { 286 aprint_error("%s: failed to allocate I/O space\n", 287 self->dv_xname); 288 goto ioalloc_failed; 289 } 290 291 sc->sc_iot = psc->sc_pcioh.iot; 292 sc->sc_ioh = psc->sc_pcioh.ioh; 293 294 /* Enable the card. */ 295 pcmcia_function_init(pa->pf, cfe); 296 297 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 298 PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, 299 &psc->sc_io_window)) { 300 aprint_error("%s: can't map i/o space\n", self->dv_xname); 301 goto iomap_failed; 302 } 303 304 error = ep_pcmcia_enable(sc); 305 if (error) 306 goto enable_failed; 307 sc->enabled = 1; 308 309 switch (pa->product) { 310 case PCMCIA_PRODUCT_3COM_3C562: 311 /* 312 * 3c562a-c use this; 3c562d does it in the regular way. 313 * we might want to check the revision and produce a warning 314 * in the future. 315 */ 316 /* FALLTHROUGH */ 317 case PCMCIA_PRODUCT_3COM_3C574: 318 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 319 /* 320 * Apparently, some 3c574s do it this way, as well. 321 */ 322 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 323 enaddr = myla; 324 break; 325 } 326 327 epp = pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, 328 sizeof(ep_pcmcia_products[0]), NULL); 329 if (!epp) 330 panic("ep_pcmcia_attach: impossible"); 331 332 sc->bustype = ELINK_BUS_PCMCIA; 333 sc->ep_flags = epp->epp_flags; 334 335 sc->enable = ep_pcmcia_enable; 336 sc->disable = ep_pcmcia_disable; 337 338 if (epconfig(sc, epp->epp_chipset, enaddr)) 339 aprint_error("%s: couldn't configure controller\n", 340 self->dv_xname); 341 342 psc->sc_powerhook = powerhook_establish(self->dv_xname, ep_power, sc); 343 if (psc->sc_powerhook == NULL) 344 aprint_error("%s: WARNING: unable to establish power hook\n", 345 self->dv_xname); 346 347 sc->enabled = 0; 348 ep_pcmcia_disable(sc); 349 return; 350 351 enable_failed: 352 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 353 iomap_failed: 354 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 355 ioalloc_failed: 356 psc->sc_io_window = -1; 357 } 358 359 int 360 ep_pcmcia_detach(self, flags) 361 struct device *self; 362 int flags; 363 { 364 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 365 int rv; 366 367 if (psc->sc_io_window == -1) 368 /* Nothing to detach. */ 369 return (0); 370 371 if (psc->sc_powerhook != NULL) 372 powerhook_disestablish(psc->sc_powerhook); 373 374 rv = ep_detach(self, flags); 375 if (rv != 0) 376 return (rv); 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 return (0); 385 } 386 387 int 388 ep_pcmcia_get_enaddr(tuple, arg) 389 struct pcmcia_tuple *tuple; 390 void *arg; 391 { 392 u_int8_t *myla = arg; 393 int i; 394 395 /* this is 3c562a-c magic */ 396 if (tuple->code == 0x88) { 397 if (tuple->length < ETHER_ADDR_LEN) 398 return (0); 399 400 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 401 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 402 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 403 } 404 405 return (1); 406 } 407 return (0); 408 } 409
Indexes created Thu Oct 02 10:09:58 GMT 2025