| 1 | /* $NetBSD: if_sm_pcmcia.c,v 1.56 2016/07/07 06:55:42 msaitoh 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 1.56 2016/07/07 06:55:42 msaitoh 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(device_t, cfdata_t, void *); |
| 65 | int sm_pcmcia_validate_config(struct pcmcia_config_entry *); |
| 66 | void sm_pcmcia_attach(device_t, device_t, void *); |
| 67 | int sm_pcmcia_detach(device_t, 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_NEW(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(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux) |
| 136 | { |
| 137 | struct sm_pcmcia_softc *psc = device_private(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 | sc->sc_dev = self; |
| 145 | psc->sc_pf = pa->pf; |
| 146 | |
| 147 | error = pcmcia_function_configure(pa->pf, sm_pcmcia_validate_config); |
| 148 | if (error) { |
| 149 | aprint_error_dev(self, "configure failed, error=%d\n" , 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, |
| 174 | "unable to get Ethernet address\n" ); |
| 175 | } |
| 176 | |
| 177 | /* Perform generic intialization. */ |
| 178 | smc91cxx_attach(sc, enaddr); |
| 179 | |
| 180 | psc->sc_state = SM_PCMCIA_ATTACHED; |
| 181 | sm_pcmcia_disable(sc); |
| 182 | return; |
| 183 | |
| 184 | fail: |
| 185 | pcmcia_function_unconfigure(pa->pf); |
| 186 | } |
| 187 | |
| 188 | int |
| 189 | sm_pcmcia_detach(device_t self, int flags) |
| 190 | { |
| 191 | struct sm_pcmcia_softc *psc = device_private(self); |
| 192 | int error; |
| 193 | |
| 194 | if (psc->sc_state != SM_PCMCIA_ATTACHED) |
| 195 | return (0); |
| 196 | |
| 197 | error = smc91cxx_detach((device_t)&psc->sc_smc, flags); |
| 198 | if (error) |
| 199 | return (error); |
| 200 | |
| 201 | pcmcia_function_unconfigure(psc->sc_pf); |
| 202 | |
| 203 | return (0); |
| 204 | } |
| 205 | |
| 206 | int |
| 207 | sm_pcmcia_ascii_enaddr(const char *cisstr, u_int8_t *myla) |
| 208 | { |
| 209 | u_int8_t digit; |
| 210 | int i; |
| 211 | |
| 212 | /* No CIS string. */ |
| 213 | if (cisstr == 0) |
| 214 | return (0); |
| 215 | |
| 216 | memset(myla, 0, ETHER_ADDR_LEN); |
| 217 | |
| 218 | for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { |
| 219 | if (cisstr[i] >= '0' && cisstr[i] <= '9') |
| 220 | digit |= cisstr[i] - '0'; |
| 221 | else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') |
| 222 | digit |= (cisstr[i] - 'a') + 10; |
| 223 | else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') |
| 224 | digit |= (cisstr[i] - 'A') + 10; |
| 225 | else { |
| 226 | /* Bogus digit!! */ |
| 227 | return (0); |
| 228 | } |
| 229 | |
| 230 | /* Compensate for ordering of digits. */ |
| 231 | if (i & 1) { |
| 232 | myla[i >> 1] = digit; |
| 233 | digit = 0; |
| 234 | } else |
| 235 | digit <<= 4; |
| 236 | } |
| 237 | |
| 238 | return (1); |
| 239 | } |
| 240 | |
| 241 | int |
| 242 | sm_pcmcia_enable(struct smc91cxx_softc *sc) |
| 243 | { |
| 244 | struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; |
| 245 | int error; |
| 246 | |
| 247 | /* Establish the interrupt handler. */ |
| 248 | psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr, |
| 249 | sc); |
| 250 | if (!psc->sc_ih) |
| 251 | return (EIO); |
| 252 | |
| 253 | error = pcmcia_function_enable(psc->sc_pf); |
| 254 | if (error) { |
| 255 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
| 256 | psc->sc_ih = 0; |
| 257 | } |
| 258 | |
| 259 | return (error); |
| 260 | } |
| 261 | |
| 262 | void |
| 263 | sm_pcmcia_disable(struct smc91cxx_softc *sc) |
| 264 | { |
| 265 | struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; |
| 266 | |
| 267 | pcmcia_function_disable(psc->sc_pf); |
| 268 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
| 269 | psc->sc_ih = 0; |
| 270 | } |
| 271 | |