if_sm_pcmcia.c revision 1.24
1 /* $NetBSD: if_sm_pcmcia.c,v 1.24 2001/07/01 16:35:37 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/param.h> 41 #include <sys/systm.h> 42 #include <sys/mbuf.h> 43 #include <sys/socket.h> 44 #include <sys/ioctl.h> 45 #include <sys/errno.h> 46 #include <sys/syslog.h> 47 #include <sys/select.h> 48 #include <sys/device.h> 49 50 #include <net/if.h> 51 #include <net/if_dl.h> 52 #include <net/if_ether.h> 53 #include <net/if_media.h> 54 55 #include <machine/intr.h> 56 #include <machine/bus.h> 57 58 #include <dev/mii/mii.h> 59 #include <dev/mii/miivar.h> 60 61 #include <dev/ic/smc91cxxreg.h> 62 #include <dev/ic/smc91cxxvar.h> 63 64 #include <dev/pcmcia/pcmciareg.h> 65 #include <dev/pcmcia/pcmciavar.h> 66 #include <dev/pcmcia/pcmciadevs.h> 67 68 int sm_pcmcia_match __P((struct device *, struct cfdata *, void *)); 69 void sm_pcmcia_attach __P((struct device *, struct device *, void *)); 70 int sm_pcmcia_detach __P((struct device *, int)); 71 72 struct sm_pcmcia_softc { 73 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 74 75 /* PCMCIA-specific goo. */ 76 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 77 int sc_io_window; /* our i/o window */ 78 void *sc_ih; /* interrupt cookie */ 79 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 80 }; 81 82 struct cfattach sm_pcmcia_ca = { 83 sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach, 84 sm_pcmcia_detach, smc91cxx_activate 85 }; 86 87 int sm_pcmcia_enable __P((struct smc91cxx_softc *)); 88 void sm_pcmcia_disable __P((struct smc91cxx_softc *)); 89 90 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *)); 91 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *)); 92 93 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *)); 94 95 const struct pcmcia_product sm_pcmcia_products[] = { 96 { PCMCIA_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2, 97 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, }, 98 99 { PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA, 100 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, }, 101 102 #if 0 103 { PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC, 104 PCMCIA_PRODUCT_SMC_8020BT, 0, }, 105 #endif 106 107 { NULL } 108 }; 109 110 int 111 sm_pcmcia_match(parent, match, aux) 112 struct device *parent; 113 struct cfdata *match; 114 void *aux; 115 { 116 struct pcmcia_attach_args *pa = aux; 117 118 if (pcmcia_product_lookup(pa, sm_pcmcia_products, 119 sizeof sm_pcmcia_products[0], NULL) != NULL) 120 return (1); 121 return (0); 122 } 123 124 void 125 sm_pcmcia_attach(parent, self, aux) 126 struct device *parent, *self; 127 void *aux; 128 { 129 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 130 struct smc91cxx_softc *sc = &psc->sc_smc; 131 struct pcmcia_attach_args *pa = aux; 132 struct pcmcia_config_entry *cfe; 133 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL; 134 const struct pcmcia_product *pp; 135 136 psc->sc_pf = pa->pf; 137 cfe = pa->pf->cfe_head.sqh_first; 138 139 /* Enable the card. */ 140 pcmcia_function_init(pa->pf, cfe); 141 if (pcmcia_function_enable(pa->pf)) { 142 printf(": function enable failed\n"); 143 goto enable_failed; 144 } 145 146 /* XXX sanity check number of mem and i/o spaces */ 147 148 /* Allocate and map i/o space for the card. */ 149 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length, 150 cfe->iospace[0].length, &psc->sc_pcioh)) { 151 printf(": can't allocate i/o space\n"); 152 goto ioalloc_failed; 153 } 154 155 sc->sc_bst = psc->sc_pcioh.iot; 156 sc->sc_bsh = psc->sc_pcioh.ioh; 157 158 sc->sc_enable = sm_pcmcia_enable; 159 sc->sc_disable = sm_pcmcia_disable; 160 161 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ? 162 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length, 163 &psc->sc_pcioh, &psc->sc_io_window)) { 164 printf(": can't map i/o space\n"); 165 goto iomap_failed; 166 } 167 168 pp = pcmcia_product_lookup(pa, sm_pcmcia_products, 169 sizeof sm_pcmcia_products[0], NULL); 170 if (pp == NULL) 171 panic("sm_pcmcia_attach: impossible"); 172 173 printf(": %s\n", pp->pp_name); 174 175 /* 176 * First try to get the Ethernet address from FUNCE/LANNID tuple. 177 */ 178 if (sm_pcmcia_funce_enaddr(parent, myla)) 179 enaddr = myla; 180 181 /* 182 * If that failed, try one of the CIS info strings. 183 */ 184 if (enaddr == NULL) { 185 char *cisstr = NULL; 186 187 switch (pa->manufacturer) { 188 case PCMCIA_VENDOR_MEGAHERTZ: 189 case PCMCIA_VENDOR_MEGAHERTZ2: 190 cisstr = pa->pf->sc->card.cis1_info[3]; 191 break; 192 193 case PCMCIA_VENDOR_SMC: 194 cisstr = pa->pf->sc->card.cis1_info[2]; 195 break; 196 } 197 198 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, 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 memset(myla, 0, ETHER_ADDR_LEN); 257 258 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 259 if (cisstr[i] >= '0' && cisstr[i] <= '9') 260 digit |= cisstr[i] - '0'; 261 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 262 digit |= (cisstr[i] - 'a') + 10; 263 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 264 digit |= (cisstr[i] - 'A') + 10; 265 else { 266 /* Bogus digit!! */ 267 return (0); 268 } 269 270 /* Compensate for ordering of digits. */ 271 if (i & 1) { 272 myla[i >> 1] = digit; 273 digit = 0; 274 } else 275 digit <<= 4; 276 } 277 278 return (1); 279 } 280 281 int 282 sm_pcmcia_funce_enaddr(parent, myla) 283 struct device *parent; 284 u_int8_t *myla; 285 { 286 287 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla)); 288 } 289 290 int 291 sm_pcmcia_lannid_ciscallback(tuple, arg) 292 struct pcmcia_tuple *tuple; 293 void *arg; 294 { 295 u_int8_t *myla = arg; 296 int i; 297 298 if (tuple->code == PCMCIA_CISTPL_FUNCE) { 299 /* subcode, length */ 300 if (tuple->length < 2) 301 return (0); 302 303 if ((pcmcia_tuple_read_1(tuple, 0) != 304 PCMCIA_TPLFE_TYPE_LAN_NID) || 305 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)) 306 return (0); 307 308 for (i = 0; i < ETHER_ADDR_LEN; i++) 309 myla[i] = pcmcia_tuple_read_1(tuple, i + 2); 310 return (1); 311 } 312 return (0); 313 } 314 315 int 316 sm_pcmcia_enable(sc) 317 struct smc91cxx_softc *sc; 318 { 319 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 320 int rv; 321 322 /* Establish the interrupt handler. */ 323 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, 324 sc); 325 if (psc->sc_ih == NULL) { 326 printf("%s: couldn't establish interrupt handler\n", 327 sc->sc_dev.dv_xname); 328 return (1); 329 } 330 331 rv = pcmcia_function_enable(psc->sc_pf); 332 if (rv != 0) 333 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 334 return (rv); 335 } 336 337 void 338 sm_pcmcia_disable(sc) 339 struct smc91cxx_softc *sc; 340 { 341 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 342 343 pcmcia_function_disable(psc->sc_pf); 344 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 345 } 346
Indexes created Sun Oct 26 21:10:03 GMT 2025