1 /* $NetBSD: if_sm_pcmcia.c,v 1.30 2002/10/02 16:52:15 thorpej 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 1.30 2002/10/02 16:52:15 thorpej 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_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2, 98 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, }, 99 100 { PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA, 101 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, }, 102 103 #if 0 104 { PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC, 105 PCMCIA_PRODUCT_SMC_8020BT, 0, }, 106 #endif 107 { PCMCIA_STR_PSION_GOLDCARD, PCMCIA_VENDOR_PSION, 108 PCMCIA_PRODUCT_PSION_GOLDCARD, 0, }, 109 110 { NULL } 111 }; 112 113 int 114 sm_pcmcia_match(parent, match, aux) 115 struct device *parent; 116 struct cfdata *match; 117 void *aux; 118 { 119 struct pcmcia_attach_args *pa = aux; 120 121 if (pcmcia_product_lookup(pa, sm_pcmcia_products, 122 sizeof sm_pcmcia_products[0], NULL) != NULL) 123 return (1); 124 return (0); 125 } 126 127 void 128 sm_pcmcia_attach(parent, self, aux) 129 struct device *parent, *self; 130 void *aux; 131 { 132 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 133 struct smc91cxx_softc *sc = &psc->sc_smc; 134 struct pcmcia_attach_args *pa = aux; 135 struct pcmcia_config_entry *cfe; 136 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL; 137 const struct pcmcia_product *pp; 138 139 psc->sc_pf = pa->pf; 140 cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); 141 142 /* Enable the card. */ 143 pcmcia_function_init(pa->pf, cfe); 144 if (pcmcia_function_enable(pa->pf)) { 145 printf(": function enable failed\n"); 146 goto enable_failed; 147 } 148 149 /* XXX sanity check number of mem and i/o spaces */ 150 151 /* Allocate and map i/o space for the card. */ 152 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 153 cfe->iospace[0].length, &psc->sc_pcioh)) { 154 printf(": can't allocate i/o space\n"); 155 goto ioalloc_failed; 156 } 157 158 sc->sc_bst = psc->sc_pcioh.iot; 159 sc->sc_bsh = psc->sc_pcioh.ioh; 160 161 sc->sc_enable = sm_pcmcia_enable; 162 sc->sc_disable = sm_pcmcia_disable; 163 164 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ? 165 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length, 166 &psc->sc_pcioh, &psc->sc_io_window)) { 167 printf(": can't map i/o space\n"); 168 goto iomap_failed; 169 } 170 171 pp = pcmcia_product_lookup(pa, sm_pcmcia_products, 172 sizeof sm_pcmcia_products[0], NULL); 173 if (pp == NULL) 174 panic("sm_pcmcia_attach: impossible"); 175 176 printf(": %s\n", pp->pp_name); 177 178 /* 179 * First try to get the Ethernet address from FUNCE/LANNID tuple. 180 */ 181 if (sm_pcmcia_funce_enaddr(parent, myla)) 182 enaddr = myla; 183 184 /* 185 * If that failed, try one of the CIS info strings. 186 */ 187 if (enaddr == NULL) { 188 char *cisstr = NULL; 189 190 switch (pa->manufacturer) { 191 case PCMCIA_VENDOR_MEGAHERTZ: 192 case PCMCIA_VENDOR_MEGAHERTZ2: 193 cisstr = pa->pf->sc->card.cis1_info[3]; 194 break; 195 196 case PCMCIA_VENDOR_SMC: 197 cisstr = pa->pf->sc->card.cis1_info[2]; 198 break; 199 } 200 201 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla)) 202 enaddr = myla; 203 } 204 205 if (enaddr == NULL) 206 printf("%s: unable to get Ethernet address\n", 207 sc->sc_dev.dv_xname); 208 209 /* Perform generic intialization. */ 210 smc91cxx_attach(sc, enaddr); 211 212 pcmcia_function_disable(pa->pf); 213 return; 214 215 iomap_failed: 216 /* Free our i/o space. */ 217 pcmcia_io_free(pa->pf, &psc->sc_pcioh); 218 219 ioalloc_failed: 220 /* Disable the device */ 221 pcmcia_function_disable(pa->pf); 222 223 enable_failed: 224 psc->sc_io_window = -1; 225 } 226 227 int 228 sm_pcmcia_detach(self, flags) 229 struct device *self; 230 int flags; 231 { 232 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 233 int rv; 234 235 if (psc->sc_io_window == -1) 236 /* Nothing to detach. */ 237 return (0); 238 239 rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags); 240 if (rv != 0) 241 return (rv); 242 243 /* Unmap our i/o window. */ 244 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 245 246 /* Free our i/o space. */ 247 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 248 return (0); 249 } 250 251 int 252 sm_pcmcia_ascii_enaddr(cisstr, myla) 253 const char *cisstr; 254 u_int8_t *myla; 255 { 256 u_int8_t digit; 257 int i; 258 259 memset(myla, 0, ETHER_ADDR_LEN); 260 261 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 262 if (cisstr[i] >= '0' && cisstr[i] <= '9') 263 digit |= cisstr[i] - '0'; 264 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 265 digit |= (cisstr[i] - 'a') + 10; 266 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 267 digit |= (cisstr[i] - 'A') + 10; 268 else { 269 /* Bogus digit!! */ 270 return (0); 271 } 272 273 /* Compensate for ordering of digits. */ 274 if (i & 1) { 275 myla[i >> 1] = digit; 276 digit = 0; 277 } else 278 digit <<= 4; 279 } 280 281 return (1); 282 } 283 284 int 285 sm_pcmcia_funce_enaddr(parent, myla) 286 struct device *parent; 287 u_int8_t *myla; 288 { 289 290 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla)); 291 } 292 293 int 294 sm_pcmcia_lannid_ciscallback(tuple, arg) 295 struct pcmcia_tuple *tuple; 296 void *arg; 297 { 298 u_int8_t *myla = arg; 299 int i; 300 301 if (tuple->code == PCMCIA_CISTPL_FUNCE 302 || tuple->code == PCMCIA_CISTPL_SPCL) { 303 /* subcode, length */ 304 if (tuple->length < 2) 305 return (0); 306 307 if ((pcmcia_tuple_read_1(tuple, 0) != 308 PCMCIA_TPLFE_TYPE_LAN_NID) || 309 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 310 return (0); 311 312 for (i = 0; i < ETHER_ADDR_LEN; i++) 313 myla[i] = pcmcia_tuple_read_1(tuple, i + 2); 314 return (1); 315 } 316 return (0); 317 } 318 319 int 320 sm_pcmcia_enable(sc) 321 struct smc91cxx_softc *sc; 322 { 323 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 324 int rv; 325 326 rv = pcmcia_function_enable(psc->sc_pf); 327 if (rv != 0) 328 return (rv); 329 330 /* Establish the interrupt handler. */ 331 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, 332 sc); 333 if (psc->sc_ih == NULL) { 334 printf("%s: couldn't establish interrupt handler\n", 335 sc->sc_dev.dv_xname); 336 return (1); 337 } 338 return (0); 339 } 340 341 void 342 sm_pcmcia_disable(sc) 343 struct smc91cxx_softc *sc; 344 { 345 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 346 347 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 348 pcmcia_function_disable(psc->sc_pf); 349 } 350