if_sm_pcmcia.c revision 1.31
1 /* $NetBSD: if_sm_pcmcia.c,v 1.31 2004/08/06 19:38:49 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 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 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: if_sm_pcmcia.c,v 1.31 2004/08/06 19:38:49 mycroft Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/syslog.h> 50 #include <sys/select.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 58 #include <machine/intr.h> 59 #include <machine/bus.h> 60 61 #include <dev/mii/mii.h> 62 #include <dev/mii/miivar.h> 63 64 #include <dev/ic/smc91cxxreg.h> 65 #include <dev/ic/smc91cxxvar.h> 66 67 #include <dev/pcmcia/pcmciareg.h> 68 #include <dev/pcmcia/pcmciavar.h> 69 #include <dev/pcmcia/pcmciadevs.h> 70 71 int sm_pcmcia_match __P((struct device *, struct cfdata *, void *)); 72 void sm_pcmcia_attach __P((struct device *, struct device *, void *)); 73 int sm_pcmcia_detach __P((struct device *, int)); 74 75 struct sm_pcmcia_softc { 76 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 77 78 /* PCMCIA-specific goo. */ 79 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 80 int sc_io_window; /* our i/o window */ 81 void *sc_ih; /* interrupt cookie */ 82 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 83 }; 84 85 CFATTACH_DECL(sm_pcmcia, sizeof(struct sm_pcmcia_softc), 86 sm_pcmcia_match, sm_pcmcia_attach, sm_pcmcia_detach, smc91cxx_activate); 87 88 int sm_pcmcia_enable __P((struct smc91cxx_softc *)); 89 void sm_pcmcia_disable __P((struct smc91cxx_softc *)); 90 91 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *)); 92 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *)); 93 94 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *)); 95 96 const struct pcmcia_product sm_pcmcia_products[] = { 97 { "", PCMCIA_VENDOR_MEGAHERTZ2, 98 PCMCIA_PRODUCT_MEGAHERTZ2_EM1144, 0, }, 99 { "", PCMCIA_VENDOR_MEGAHERTZ2, 100 PCMCIA_PRODUCT_MEGAHERTZ2_EM1144, 1, }, 101 102 { "", PCMCIA_VENDOR_MEGAHERTZ2, 103 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, }, 104 105 { "", PCMCIA_VENDOR_NEWMEDIA, 106 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, }, 107 108 #if 0 109 { "", PCMCIA_VENDOR_SMC, 110 PCMCIA_PRODUCT_SMC_8020BT, 0, }, 111 #endif 112 { "", PCMCIA_VENDOR_PSION, 113 PCMCIA_PRODUCT_PSION_GOLDCARD, 0, }, 114 115 { NULL } 116 }; 117 118 int 119 sm_pcmcia_match(parent, match, aux) 120 struct device *parent; 121 struct cfdata *match; 122 void *aux; 123 { 124 struct pcmcia_attach_args *pa = aux; 125 126 /* This is to differentiate the serial function of Megahertz cards. */ 127 if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) 128 return (0); 129 130 if (pcmcia_product_lookup(pa, sm_pcmcia_products, 131 sizeof sm_pcmcia_products[0], NULL) != NULL) 132 return (1); 133 return (0); 134 } 135 136 void 137 sm_pcmcia_attach(parent, self, aux) 138 struct device *parent, *self; 139 void *aux; 140 { 141 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 142 struct smc91cxx_softc *sc = &psc->sc_smc; 143 struct pcmcia_attach_args *pa = aux; 144 struct pcmcia_config_entry *cfe; 145 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL; 146 const struct pcmcia_product *pp; 147 148 psc->sc_pf = pa->pf; 149 cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); 150 151 /* Enable the card. */ 152 pcmcia_function_init(pa->pf, cfe); 153 if (pcmcia_function_enable(pa->pf)) { 154 printf(": function enable failed\n"); 155 goto enable_failed; 156 } 157 158 /* XXX sanity check number of mem and i/o spaces */ 159 160 /* Allocate and map i/o space for the card. */ 161 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 162 cfe->iospace[0].length, &psc->sc_pcioh)) { 163 printf(": can't allocate i/o space\n"); 164 goto ioalloc_failed; 165 } 166 167 sc->sc_bst = psc->sc_pcioh.iot; 168 sc->sc_bsh = psc->sc_pcioh.ioh; 169 170 sc->sc_enable = sm_pcmcia_enable; 171 sc->sc_disable = sm_pcmcia_disable; 172 173 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ? 174 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length, 175 &psc->sc_pcioh, &psc->sc_io_window)) { 176 printf(": can't map i/o space\n"); 177 goto iomap_failed; 178 } 179 180 printf("\n"); 181 182 pp = pcmcia_product_lookup(pa, sm_pcmcia_products, 183 sizeof sm_pcmcia_products[0], NULL); 184 if (pp == NULL) 185 panic("sm_pcmcia_attach: impossible"); 186 187 /* 188 * First try to get the Ethernet address from FUNCE/LANNID tuple. 189 */ 190 if (sm_pcmcia_funce_enaddr(parent, myla)) 191 enaddr = myla; 192 193 /* 194 * If that failed, try one of the CIS info strings. 195 */ 196 if (enaddr == NULL) { 197 if (sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[3], myla) || 198 sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[2], myla)) 199 enaddr = myla; 200 } 201 202 if (enaddr == NULL) 203 printf("%s: unable to get Ethernet address\n", 204 sc->sc_dev.dv_xname); 205 206 /* Perform generic intialization. */ 207 smc91cxx_attach(sc, enaddr); 208 209 pcmcia_function_disable(pa->pf); 210 return; 211 212 iomap_failed: 213 /* Free our i/o space. */ 214 pcmcia_io_free(pa->pf, &psc->sc_pcioh); 215 216 ioalloc_failed: 217 /* Disable the device */ 218 pcmcia_function_disable(pa->pf); 219 220 enable_failed: 221 psc->sc_io_window = -1; 222 } 223 224 int 225 sm_pcmcia_detach(self, flags) 226 struct device *self; 227 int flags; 228 { 229 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 230 int rv; 231 232 if (psc->sc_io_window == -1) 233 /* Nothing to detach. */ 234 return (0); 235 236 rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags); 237 if (rv != 0) 238 return (rv); 239 240 /* Unmap our i/o window. */ 241 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 242 243 /* Free our i/o space. */ 244 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 245 return (0); 246 } 247 248 int 249 sm_pcmcia_ascii_enaddr(cisstr, myla) 250 const char *cisstr; 251 u_int8_t *myla; 252 { 253 u_int8_t digit; 254 int i; 255 256 /* No CIS string. */ 257 if (cisstr == 0) 258 return (0); 259 260 memset(myla, 0, ETHER_ADDR_LEN); 261 262 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 263 if (cisstr[i] >= '0' && cisstr[i] <= '9') 264 digit |= cisstr[i] - '0'; 265 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 266 digit |= (cisstr[i] - 'a') + 10; 267 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 268 digit |= (cisstr[i] - 'A') + 10; 269 else { 270 /* Bogus digit!! */ 271 return (0); 272 } 273 274 /* Compensate for ordering of digits. */ 275 if (i & 1) { 276 myla[i >> 1] = digit; 277 digit = 0; 278 } else 279 digit <<= 4; 280 } 281 282 return (1); 283 } 284 285 int 286 sm_pcmcia_funce_enaddr(parent, myla) 287 struct device *parent; 288 u_int8_t *myla; 289 { 290 291 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla)); 292 } 293 294 int 295 sm_pcmcia_lannid_ciscallback(tuple, arg) 296 struct pcmcia_tuple *tuple; 297 void *arg; 298 { 299 u_int8_t *myla = arg; 300 int i; 301 302 if (tuple->code == PCMCIA_CISTPL_FUNCE 303 || tuple->code == PCMCIA_CISTPL_SPCL) { 304 /* subcode, length */ 305 if (tuple->length < 2) 306 return (0); 307 308 if ((pcmcia_tuple_read_1(tuple, 0) != 309 PCMCIA_TPLFE_TYPE_LAN_NID) || 310 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 311 return (0); 312 313 for (i = 0; i < ETHER_ADDR_LEN; i++) 314 myla[i] = pcmcia_tuple_read_1(tuple, i + 2); 315 return (1); 316 } 317 return (0); 318 } 319 320 int 321 sm_pcmcia_enable(sc) 322 struct smc91cxx_softc *sc; 323 { 324 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 325 int rv; 326 327 rv = pcmcia_function_enable(psc->sc_pf); 328 if (rv != 0) 329 return (rv); 330 331 /* Establish the interrupt handler. */ 332 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, 333 sc); 334 if (psc->sc_ih == NULL) { 335 printf("%s: couldn't establish interrupt handler\n", 336 sc->sc_dev.dv_xname); 337 return (1); 338 } 339 return (0); 340 } 341 342 void 343 sm_pcmcia_disable(sc) 344 struct smc91cxx_softc *sc; 345 { 346 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 347 348 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 349 pcmcia_function_disable(psc->sc_pf); 350 } 351
Indexes created Tue Sep 30 11:09:46 GMT 2025