if_sm_pcmcia.c revision 1.46
1 /* $NetBSD: if_sm_pcmcia.c,v 1.46 2005/12/11 12:23:23 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 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 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: if_sm_pcmcia.c,v 1.46 2005/12/11 12:23:23 christos 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(struct device *, struct cfdata *, void *); 72 int sm_pcmcia_validate_config(struct pcmcia_config_entry *); 73 void sm_pcmcia_attach(struct device *, struct device *, void *); 74 int sm_pcmcia_detach(struct device *, int); 75 76 struct sm_pcmcia_softc { 77 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 78 79 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 80 void *sc_ih; /* interrupt cookie */ 81 82 int sc_state; 83 #define SM_PCMCIA_ATTACHED 3 84 }; 85 86 CFATTACH_DECL(sm_pcmcia, sizeof(struct sm_pcmcia_softc), 87 sm_pcmcia_match, sm_pcmcia_attach, sm_pcmcia_detach, smc91cxx_activate); 88 89 int sm_pcmcia_enable(struct smc91cxx_softc *); 90 void sm_pcmcia_disable(struct smc91cxx_softc *); 91 92 int sm_pcmcia_ascii_enaddr(const char *, u_int8_t *); 93 94 const struct pcmcia_product sm_pcmcia_products[] = { 95 { PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_EM1144, 96 PCMCIA_CIS_INVALID }, 97 98 { PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 99 PCMCIA_CIS_INVALID }, 100 101 { PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BASICS, 102 PCMCIA_CIS_INVALID }, 103 104 #if 0 105 { PCMCIA_VENDOR_SMC, PCMCIA_PRODUCT_SMC_8020BT, 106 PCMCIA_CIS_INVALID }, 107 #endif 108 { PCMCIA_VENDOR_PSION, PCMCIA_PRODUCT_PSION_GOLDCARD, 109 PCMCIA_CIS_INVALID }, 110 }; 111 const size_t sm_pcmcia_nproducts = 112 sizeof(sm_pcmcia_products) / sizeof(sm_pcmcia_products[0]); 113 114 int 115 sm_pcmcia_match(parent, match, aux) 116 struct device *parent; 117 struct cfdata *match; 118 void *aux; 119 { 120 struct pcmcia_attach_args *pa = aux; 121 122 /* This is to differentiate the serial function of some cards. */ 123 if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) 124 return (0); 125 126 if (pcmcia_product_lookup(pa, sm_pcmcia_products, sm_pcmcia_nproducts, 127 sizeof(sm_pcmcia_products[0]), NULL)) 128 return (1); 129 return (0); 130 } 131 132 int 133 sm_pcmcia_validate_config(cfe) 134 struct pcmcia_config_entry *cfe; 135 { 136 if (cfe->iftype != PCMCIA_IFTYPE_IO || 137 cfe->num_memspace != 0 || 138 cfe->num_iospace != 1 || 139 cfe->iospace[0].length < SMC_IOSIZE) 140 return (EINVAL); 141 return (0); 142 } 143 144 void 145 sm_pcmcia_attach(parent, self, aux) 146 struct device *parent, *self; 147 void *aux; 148 { 149 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 150 struct smc91cxx_softc *sc = &psc->sc_smc; 151 struct pcmcia_attach_args *pa = aux; 152 struct pcmcia_config_entry *cfe; 153 u_int8_t enaddr[ETHER_ADDR_LEN]; 154 int error; 155 156 psc->sc_pf = pa->pf; 157 158 error = pcmcia_function_configure(pa->pf, sm_pcmcia_validate_config); 159 if (error) { 160 aprint_error("%s: configure failed, error=%d\n", self->dv_xname, 161 error); 162 return; 163 } 164 165 cfe = pa->pf->cfe; 166 sc->sc_bst = cfe->iospace[0].handle.iot; 167 sc->sc_bsh = cfe->iospace[0].handle.ioh; 168 169 error = sm_pcmcia_enable(sc); 170 if (error) 171 goto fail; 172 173 sc->sc_enable = sm_pcmcia_enable; 174 sc->sc_disable = sm_pcmcia_disable; 175 176 /* 177 * First try to get the Ethernet address from FUNCE/LANNID tuple. 178 * If that fails, try one of the CIS info strings. 179 */ 180 if (pa->pf->pf_funce_lan_nidlen == ETHER_ADDR_LEN) { 181 memcpy(enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN); 182 } else { 183 if (!sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[3], enaddr) && 184 !sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[2], enaddr)) 185 aprint_error("%s: unable to get Ethernet address\n", 186 self->dv_xname); 187 } 188 189 /* Perform generic intialization. */ 190 smc91cxx_attach(sc, enaddr); 191 192 psc->sc_state = SM_PCMCIA_ATTACHED; 193 sm_pcmcia_disable(sc); 194 return; 195 196 fail: 197 pcmcia_function_unconfigure(pa->pf); 198 } 199 200 int 201 sm_pcmcia_detach(self, flags) 202 struct device *self; 203 int flags; 204 { 205 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 206 int error; 207 208 if (psc->sc_state != SM_PCMCIA_ATTACHED) 209 return (0); 210 211 error = smc91cxx_detach((struct device *)&psc->sc_smc, flags); 212 if (error) 213 return (error); 214 215 pcmcia_function_unconfigure(psc->sc_pf); 216 217 return (0); 218 } 219 220 int 221 sm_pcmcia_ascii_enaddr(cisstr, myla) 222 const char *cisstr; 223 u_int8_t *myla; 224 { 225 u_int8_t digit; 226 int i; 227 228 /* No CIS string. */ 229 if (cisstr == 0) 230 return (0); 231 232 memset(myla, 0, ETHER_ADDR_LEN); 233 234 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 235 if (cisstr[i] >= '0' && cisstr[i] <= '9') 236 digit |= cisstr[i] - '0'; 237 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 238 digit |= (cisstr[i] - 'a') + 10; 239 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 240 digit |= (cisstr[i] - 'A') + 10; 241 else { 242 /* Bogus digit!! */ 243 return (0); 244 } 245 246 /* Compensate for ordering of digits. */ 247 if (i & 1) { 248 myla[i >> 1] = digit; 249 digit = 0; 250 } else 251 digit <<= 4; 252 } 253 254 return (1); 255 } 256 257 int 258 sm_pcmcia_enable(sc) 259 struct smc91cxx_softc *sc; 260 { 261 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 262 int error; 263 264 /* Establish the interrupt handler. */ 265 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, 266 sc); 267 if (!psc->sc_ih) 268 return (EIO); 269 270 error = pcmcia_function_enable(psc->sc_pf); 271 if (error) { 272 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 273 psc->sc_ih = 0; 274 } 275 276 return (error); 277 } 278 279 void 280 sm_pcmcia_disable(sc) 281 struct smc91cxx_softc *sc; 282 { 283 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 284 285 pcmcia_function_disable(psc->sc_pf); 286 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 287 psc->sc_ih = 0; 288 } 289
Indexes created Sun Oct 26 21:10:03 GMT 2025