1 /* $NetBSD: if_sm_pcmcia.c,v 1.26 2001/11/13 07:26:33 lukem 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 1.26 2001/11/13 07:26:33 lukem 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 struct cfattach sm_pcmcia_ca = { 86 sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach, 87 sm_pcmcia_detach, smc91cxx_activate 88 }; 89 90 int sm_pcmcia_enable __P((struct smc91cxx_softc *)); 91 void sm_pcmcia_disable __P((struct smc91cxx_softc *)); 92 93 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *)); 94 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *)); 95 96 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *)); 97 98 const struct pcmcia_product sm_pcmcia_products[] = { 99 { PCMCIA_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2, 100 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, }, 101 102 { PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA, 103 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, }, 104 105 #if 0 106 { PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC, 107 PCMCIA_PRODUCT_SMC_8020BT, 0, }, 108 #endif 109 { PCMCIA_STR_PSION_GOLDCARD, PCMCIA_VENDOR_PSION, 110 PCMCIA_PRODUCT_PSION_GOLDCARD, 0, }, 111 112 { NULL } 113 }; 114 115 int 116 sm_pcmcia_match(parent, match, aux) 117 struct device *parent; 118 struct cfdata *match; 119 void *aux; 120 { 121 struct pcmcia_attach_args *pa = aux; 122 123 if (pcmcia_product_lookup(pa, sm_pcmcia_products, 124 sizeof sm_pcmcia_products[0], NULL) != NULL) 125 return (1); 126 return (0); 127 } 128 129 void 130 sm_pcmcia_attach(parent, self, aux) 131 struct device *parent, *self; 132 void *aux; 133 { 134 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 135 struct smc91cxx_softc *sc = &psc->sc_smc; 136 struct pcmcia_attach_args *pa = aux; 137 struct pcmcia_config_entry *cfe; 138 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL; 139 const struct pcmcia_product *pp; 140 141 psc->sc_pf = pa->pf; 142 cfe = pa->pf->cfe_head.sqh_first; 143 144 /* Enable the card. */ 145 pcmcia_function_init(pa->pf, cfe); 146 if (pcmcia_function_enable(pa->pf)) { 147 printf(": function enable failed\n"); 148 goto enable_failed; 149 } 150 151 /* XXX sanity check number of mem and i/o spaces */ 152 153 /* Allocate and map i/o space for the card. */ 154 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 155 cfe->iospace[0].length, &psc->sc_pcioh)) { 156 printf(": can't allocate i/o space\n"); 157 goto ioalloc_failed; 158 } 159 160 sc->sc_bst = psc->sc_pcioh.iot; 161 sc->sc_bsh = psc->sc_pcioh.ioh; 162 163 sc->sc_enable = sm_pcmcia_enable; 164 sc->sc_disable = sm_pcmcia_disable; 165 166 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ? 167 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length, 168 &psc->sc_pcioh, &psc->sc_io_window)) { 169 printf(": can't map i/o space\n"); 170 goto iomap_failed; 171 } 172 173 pp = pcmcia_product_lookup(pa, sm_pcmcia_products, 174 sizeof sm_pcmcia_products[0], NULL); 175 if (pp == NULL) 176 panic("sm_pcmcia_attach: impossible"); 177 178 printf(": %s\n", pp->pp_name); 179 180 /* 181 * First try to get the Ethernet address from FUNCE/LANNID tuple. 182 */ 183 if (sm_pcmcia_funce_enaddr(parent, myla)) 184 enaddr = myla; 185 186 /* 187 * If that failed, try one of the CIS info strings. 188 */ 189 if (enaddr == NULL) { 190 char *cisstr = NULL; 191 192 switch (pa->manufacturer) { 193 case PCMCIA_VENDOR_MEGAHERTZ: 194 case PCMCIA_VENDOR_MEGAHERTZ2: 195 cisstr = pa->pf->sc->card.cis1_info[3]; 196 break; 197 198 case PCMCIA_VENDOR_SMC: 199 cisstr = pa->pf->sc->card.cis1_info[2]; 200 break; 201 } 202 203 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla)) 204 enaddr = myla; 205 } 206 207 if (enaddr == NULL) 208 printf("%s: unable to get Ethernet address\n", 209 sc->sc_dev.dv_xname); 210 211 /* Perform generic intialization. */ 212 smc91cxx_attach(sc, enaddr); 213 214 pcmcia_function_disable(pa->pf); 215 return; 216 217 iomap_failed: 218 /* Free our i/o space. */ 219 pcmcia_io_free(pa->pf, &psc->sc_pcioh); 220 221 ioalloc_failed: 222 /* Disable the device */ 223 pcmcia_function_disable(pa->pf); 224 225 enable_failed: 226 psc->sc_io_window = -1; 227 } 228 229 int 230 sm_pcmcia_detach(self, flags) 231 struct device *self; 232 int flags; 233 { 234 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 235 int rv; 236 237 if (psc->sc_io_window == -1) 238 /* Nothing to detach. */ 239 return (0); 240 241 rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags); 242 if (rv != 0) 243 return (rv); 244 245 /* Unmap our i/o window. */ 246 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 247 248 /* Free our i/o space. */ 249 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 250 return (0); 251 } 252 253 int 254 sm_pcmcia_ascii_enaddr(cisstr, myla) 255 const char *cisstr; 256 u_int8_t *myla; 257 { 258 u_int8_t digit; 259 int i; 260 261 memset(myla, 0, ETHER_ADDR_LEN); 262 263 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 264 if (cisstr[i] >= '0' && cisstr[i] <= '9') 265 digit |= cisstr[i] - '0'; 266 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 267 digit |= (cisstr[i] - 'a') + 10; 268 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 269 digit |= (cisstr[i] - 'A') + 10; 270 else { 271 /* Bogus digit!! */ 272 return (0); 273 } 274 275 /* Compensate for ordering of digits. */ 276 if (i & 1) { 277 myla[i >> 1] = digit; 278 digit = 0; 279 } else 280 digit <<= 4; 281 } 282 283 return (1); 284 } 285 286 int 287 sm_pcmcia_funce_enaddr(parent, myla) 288 struct device *parent; 289 u_int8_t *myla; 290 { 291 292 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla)); 293 } 294 295 int 296 sm_pcmcia_lannid_ciscallback(tuple, arg) 297 struct pcmcia_tuple *tuple; 298 void *arg; 299 { 300 u_int8_t *myla = arg; 301 int i; 302 303 if (tuple->code == PCMCIA_CISTPL_FUNCE 304 || tuple->code == PCMCIA_CISTPL_SPCL) { 305 /* subcode, length */ 306 if (tuple->length < 2) 307 return (0); 308 309 if ((pcmcia_tuple_read_1(tuple, 0) != 310 PCMCIA_TPLFE_TYPE_LAN_NID) || 311 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 312 return (0); 313 314 for (i = 0; i < ETHER_ADDR_LEN; i++) 315 myla[i] = pcmcia_tuple_read_1(tuple, i + 2); 316 return (1); 317 } 318 return (0); 319 } 320 321 int 322 sm_pcmcia_enable(sc) 323 struct smc91cxx_softc *sc; 324 { 325 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 326 int rv; 327 328 rv = pcmcia_function_enable(psc->sc_pf); 329 if (rv != 0) 330 return (rv); 331 332 /* Establish the interrupt handler. */ 333 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, 334 sc); 335 if (psc->sc_ih == NULL) { 336 printf("%s: couldn't establish interrupt handler\n", 337 sc->sc_dev.dv_xname); 338 return (1); 339 } 340 return (0); 341 } 342 343 void 344 sm_pcmcia_disable(sc) 345 struct smc91cxx_softc *sc; 346 { 347 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 348 349 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 350 pcmcia_function_disable(psc->sc_pf); 351 } 352