if_sm_pcmcia.c revision 1.52
1 /* $NetBSD: if_sm_pcmcia.c,v 1.52 2009/03/14 15:36:20 dsl 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: if_sm_pcmcia.c,v 1.52 2009/03/14 15:36:20 dsl Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/ioctl.h> 41 #include <sys/errno.h> 42 #include <sys/syslog.h> 43 #include <sys/select.h> 44 #include <sys/device.h> 45 46 #include <net/if.h> 47 #include <net/if_dl.h> 48 #include <net/if_ether.h> 49 #include <net/if_media.h> 50 51 #include <sys/intr.h> 52 #include <sys/bus.h> 53 54 #include <dev/mii/mii.h> 55 #include <dev/mii/miivar.h> 56 57 #include <dev/ic/smc91cxxreg.h> 58 #include <dev/ic/smc91cxxvar.h> 59 60 #include <dev/pcmcia/pcmciareg.h> 61 #include <dev/pcmcia/pcmciavar.h> 62 #include <dev/pcmcia/pcmciadevs.h> 63 64 int sm_pcmcia_match(struct device *, struct cfdata *, void *); 65 int sm_pcmcia_validate_config(struct pcmcia_config_entry *); 66 void sm_pcmcia_attach(struct device *, struct device *, void *); 67 int sm_pcmcia_detach(struct device *, int); 68 69 struct sm_pcmcia_softc { 70 struct smc91cxx_softc sc_smc; /* real "smc" softc */ 71 72 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 73 void *sc_ih; /* interrupt cookie */ 74 75 int sc_state; 76 #define SM_PCMCIA_ATTACHED 3 77 }; 78 79 CFATTACH_DECL(sm_pcmcia, sizeof(struct sm_pcmcia_softc), 80 sm_pcmcia_match, sm_pcmcia_attach, sm_pcmcia_detach, smc91cxx_activate); 81 82 int sm_pcmcia_enable(struct smc91cxx_softc *); 83 void sm_pcmcia_disable(struct smc91cxx_softc *); 84 85 int sm_pcmcia_ascii_enaddr(const char *, u_int8_t *); 86 87 const struct pcmcia_product sm_pcmcia_products[] = { 88 { PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_EM1144, 89 PCMCIA_CIS_INVALID }, 90 91 { PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 92 PCMCIA_CIS_INVALID }, 93 94 { PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BASICS, 95 PCMCIA_CIS_INVALID }, 96 97 #if 0 98 { PCMCIA_VENDOR_SMC, PCMCIA_PRODUCT_SMC_8020BT, 99 PCMCIA_CIS_INVALID }, 100 #endif 101 { PCMCIA_VENDOR_PSION, PCMCIA_PRODUCT_PSION_GOLDCARD, 102 PCMCIA_CIS_INVALID }, 103 }; 104 const size_t sm_pcmcia_nproducts = 105 sizeof(sm_pcmcia_products) / sizeof(sm_pcmcia_products[0]); 106 107 int 108 sm_pcmcia_match(struct device *parent, struct cfdata *match, 109 void *aux) 110 { 111 struct pcmcia_attach_args *pa = aux; 112 113 /* This is to differentiate the serial function of some cards. */ 114 if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) 115 return (0); 116 117 if (pcmcia_product_lookup(pa, sm_pcmcia_products, sm_pcmcia_nproducts, 118 sizeof(sm_pcmcia_products[0]), NULL)) 119 return (1); 120 return (0); 121 } 122 123 int 124 sm_pcmcia_validate_config(struct pcmcia_config_entry *cfe) 125 { 126 if (cfe->iftype != PCMCIA_IFTYPE_IO || 127 cfe->num_memspace != 0 || 128 cfe->num_iospace != 1 || 129 cfe->iospace[0].length < SMC_IOSIZE) 130 return (EINVAL); 131 return (0); 132 } 133 134 void 135 sm_pcmcia_attach(struct device *parent, struct device *self, void *aux) 136 { 137 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 138 struct smc91cxx_softc *sc = &psc->sc_smc; 139 struct pcmcia_attach_args *pa = aux; 140 struct pcmcia_config_entry *cfe; 141 u_int8_t enaddr[ETHER_ADDR_LEN]; 142 int error; 143 144 psc->sc_pf = pa->pf; 145 146 error = pcmcia_function_configure(pa->pf, sm_pcmcia_validate_config); 147 if (error) { 148 aprint_error_dev(self, "configure failed, error=%d\n", 149 error); 150 return; 151 } 152 153 cfe = pa->pf->cfe; 154 sc->sc_bst = cfe->iospace[0].handle.iot; 155 sc->sc_bsh = cfe->iospace[0].handle.ioh; 156 157 error = sm_pcmcia_enable(sc); 158 if (error) 159 goto fail; 160 161 sc->sc_enable = sm_pcmcia_enable; 162 sc->sc_disable = sm_pcmcia_disable; 163 164 /* 165 * First try to get the Ethernet address from FUNCE/LANNID tuple. 166 * If that fails, try one of the CIS info strings. 167 */ 168 if (pa->pf->pf_funce_lan_nidlen == ETHER_ADDR_LEN) { 169 memcpy(enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN); 170 } else { 171 if (!sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[3], enaddr) && 172 !sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[2], enaddr)) 173 aprint_error_dev(self, "unable to get Ethernet address\n"); 174 } 175 176 /* Perform generic intialization. */ 177 smc91cxx_attach(sc, enaddr); 178 179 psc->sc_state = SM_PCMCIA_ATTACHED; 180 sm_pcmcia_disable(sc); 181 return; 182 183 fail: 184 pcmcia_function_unconfigure(pa->pf); 185 } 186 187 int 188 sm_pcmcia_detach(struct device *self, int flags) 189 { 190 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self; 191 int error; 192 193 if (psc->sc_state != SM_PCMCIA_ATTACHED) 194 return (0); 195 196 error = smc91cxx_detach((struct device *)&psc->sc_smc, flags); 197 if (error) 198 return (error); 199 200 pcmcia_function_unconfigure(psc->sc_pf); 201 202 return (0); 203 } 204 205 int 206 sm_pcmcia_ascii_enaddr(const char *cisstr, u_int8_t *myla) 207 { 208 u_int8_t digit; 209 int i; 210 211 /* No CIS string. */ 212 if (cisstr == 0) 213 return (0); 214 215 memset(myla, 0, ETHER_ADDR_LEN); 216 217 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { 218 if (cisstr[i] >= '0' && cisstr[i] <= '9') 219 digit |= cisstr[i] - '0'; 220 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') 221 digit |= (cisstr[i] - 'a') + 10; 222 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') 223 digit |= (cisstr[i] - 'A') + 10; 224 else { 225 /* Bogus digit!! */ 226 return (0); 227 } 228 229 /* Compensate for ordering of digits. */ 230 if (i & 1) { 231 myla[i >> 1] = digit; 232 digit = 0; 233 } else 234 digit <<= 4; 235 } 236 237 return (1); 238 } 239 240 int 241 sm_pcmcia_enable(struct smc91cxx_softc *sc) 242 { 243 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 244 int error; 245 246 /* Establish the interrupt handler. */ 247 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, 248 sc); 249 if (!psc->sc_ih) 250 return (EIO); 251 252 error = pcmcia_function_enable(psc->sc_pf); 253 if (error) { 254 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 255 psc->sc_ih = 0; 256 } 257 258 return (error); 259 } 260 261 void 262 sm_pcmcia_disable(struct smc91cxx_softc *sc) 263 { 264 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; 265 266 pcmcia_function_disable(psc->sc_pf); 267 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 268 psc->sc_ih = 0; 269 } 270
Indexes created Fri Sep 26 08:10:20 GMT 2025