if_ep_pcmcia.c revision 1.60
1 /* $NetBSD: if_ep_pcmcia.c,v 1.60 2008/04/05 21:31:23 cegger 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 1.60 2008/04/05 21:31:23 cegger 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 <sys/cpu.h> 88 #include <sys/bus.h> 89 #include <sys/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(struct device *parent, struct cfdata *match, 162 void *aux) 163 { 164 struct pcmcia_attach_args *pa = aux; 165 166 /* This is to differentiate the serial function of some cards. */ 167 if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) 168 return (0); 169 170 if (pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, 171 sizeof(ep_pcmcia_products[0]), NULL)) 172 return (1); 173 return (0); 174 } 175 176 int 177 ep_pcmcia_enable(sc) 178 struct ep_softc *sc; 179 { 180 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 181 struct pcmcia_function *pf = psc->sc_pf; 182 int error; 183 184 /* establish the interrupt. */ 185 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 186 if (!sc->sc_ih) 187 return (EIO); 188 189 error = pcmcia_function_enable(pf); 190 if (error) { 191 pcmcia_intr_disestablish(pf, sc->sc_ih); 192 sc->sc_ih = 0; 193 return (error); 194 } 195 196 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 197 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 198 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 199 int reg; 200 201 /* turn off the serial-disable bit */ 202 203 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 204 if (reg & 0x08) { 205 reg &= ~0x08; 206 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 207 } 208 209 } 210 211 return (0); 212 } 213 214 void 215 ep_pcmcia_disable(sc) 216 struct ep_softc *sc; 217 { 218 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 219 220 pcmcia_function_disable(psc->sc_pf); 221 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 222 sc->sc_ih = 0; 223 } 224 225 void 226 ep_pcmcia_attach(parent, self, aux) 227 struct device *parent, *self; 228 void *aux; 229 { 230 struct ep_pcmcia_softc *psc = (void *) self; 231 struct ep_softc *sc = &psc->sc_ep; 232 struct pcmcia_attach_args *pa = aux; 233 struct pcmcia_config_entry *cfe; 234 const struct ep_pcmcia_product *epp; 235 u_int8_t myla[ETHER_ADDR_LEN]; 236 u_int8_t *enaddr = NULL; 237 int i; 238 int error; 239 240 psc->sc_pf = pa->pf; 241 242 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 243 if (cfe->num_memspace != 0) 244 continue; 245 if (cfe->num_iospace != 1) 246 continue; 247 248 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 249 /* 250 * the 3c562 can only use 0x??00-0x??7f 251 * according to the Linux driver 252 */ 253 254 /* 255 * 3c562 i/o may decodes address line not only A0-3 256 * but also A7. Anyway, we must sweep at most 257 * [0x0000, 0x0100). The address higher is given by a 258 * pcmcia bridge. But pcmcia bus-space allocation 259 * function implies cards will decode 10-bit address 260 * line. So we must search [0x0000, 0x0400). 261 * 262 * XXX: We must not check the bunch of I/O space range 263 * [0x400*n, 0x300 + 0x400*n) because they are 264 * reserved for legacy ISA devices and their alias 265 * images on PC/AT architecture. 266 */ 267 for (i = 0x0300; i < 0x0380; i += 0x10) { 268 if (pcmcia_io_alloc(pa->pf, i, 269 cfe->iospace[0].length, 270 cfe->iospace[0].length, 271 &psc->sc_pcioh) == 0) 272 break; 273 } 274 if (i != 0x0380) 275 break; 276 } else { 277 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, 278 cfe->iospace[0].length, cfe->iospace[0].length, 279 &psc->sc_pcioh) == 0) 280 break; 281 } 282 } 283 if (!cfe) { 284 aprint_error_dev(self, "failed to allocate I/O space\n"); 285 goto ioalloc_failed; 286 } 287 288 sc->sc_iot = psc->sc_pcioh.iot; 289 sc->sc_ioh = psc->sc_pcioh.ioh; 290 291 /* Enable the card. */ 292 pcmcia_function_init(pa->pf, cfe); 293 294 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 295 PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, 296 &psc->sc_io_window)) { 297 aprint_error_dev(self, "can't map i/o space\n"); 298 goto iomap_failed; 299 } 300 301 error = ep_pcmcia_enable(sc); 302 if (error) 303 goto enable_failed; 304 sc->enabled = 1; 305 306 switch (pa->product) { 307 case PCMCIA_PRODUCT_3COM_3C562: 308 /* 309 * 3c562a-c use this; 3c562d does it in the regular way. 310 * we might want to check the revision and produce a warning 311 * in the future. 312 */ 313 /* FALLTHROUGH */ 314 case PCMCIA_PRODUCT_3COM_3C574: 315 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 316 /* 317 * Apparently, some 3c574s do it this way, as well. 318 */ 319 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 320 enaddr = myla; 321 break; 322 } 323 324 epp = pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, 325 sizeof(ep_pcmcia_products[0]), NULL); 326 if (!epp) 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_dev(self, "couldn't configure controller\n"); 337 338 psc->sc_powerhook = powerhook_establish(device_xname(self), ep_power, sc); 339 if (psc->sc_powerhook == NULL) 340 aprint_error_dev(self, "WARNING: unable to establish power hook\n"); 341 342 sc->enabled = 0; 343 ep_pcmcia_disable(sc); 344 return; 345 346 enable_failed: 347 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 348 iomap_failed: 349 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 350 ioalloc_failed: 351 psc->sc_io_window = -1; 352 } 353 354 int 355 ep_pcmcia_detach(self, flags) 356 struct device *self; 357 int flags; 358 { 359 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self; 360 int rv; 361 362 if (psc->sc_io_window == -1) 363 /* Nothing to detach. */ 364 return (0); 365 366 if (psc->sc_powerhook != NULL) 367 powerhook_disestablish(psc->sc_powerhook); 368 369 rv = ep_detach(self, flags); 370 if (rv != 0) 371 return (rv); 372 373 /* Unmap our i/o window. */ 374 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 375 376 /* Free our i/o space. */ 377 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 378 379 return (0); 380 } 381 382 int 383 ep_pcmcia_get_enaddr(tuple, arg) 384 struct pcmcia_tuple *tuple; 385 void *arg; 386 { 387 u_int8_t *myla = arg; 388 int i; 389 390 /* this is 3c562a-c magic */ 391 if (tuple->code == 0x88) { 392 if (tuple->length < ETHER_ADDR_LEN) 393 return (0); 394 395 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 396 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 397 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 398 } 399 400 return (1); 401 } 402 return (0); 403 } 404
Indexes created Thu Oct 02 07:10:07 GMT 2025