if_ep_pcmcia.c revision 1.64
1 /* $NetBSD: if_ep_pcmcia.c,v 1.64 2016/07/07 06:55:42 msaitoh Exp $ */ 2 3 /*- 4 * Copyright (c) 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 /* 34 * Copyright (c) 1997 Marc Horowitz. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by Marc Horowitz. 47 * 4. The name of the author may not be used to endorse or promote products 48 * derived from this software without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 51 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 52 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 53 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 54 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 55 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 59 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 60 */ 61 62 #include <sys/cdefs.h> 63 __KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.64 2016/07/07 06:55:42 msaitoh Exp $"); 64 65 #include <sys/param.h> 66 #include <sys/systm.h> 67 #include <sys/mbuf.h> 68 #include <sys/socket.h> 69 #include <sys/ioctl.h> 70 #include <sys/errno.h> 71 #include <sys/syslog.h> 72 #include <sys/select.h> 73 #include <sys/device.h> 74 75 #include <net/if.h> 76 #include <net/if_dl.h> 77 #include <net/if_ether.h> 78 #include <net/if_media.h> 79 80 #include <sys/cpu.h> 81 #include <sys/bus.h> 82 #include <sys/intr.h> 83 84 #include <dev/mii/miivar.h> 85 86 #include <dev/ic/elink3var.h> 87 #include <dev/ic/elink3reg.h> 88 89 #include <dev/pcmcia/pcmciareg.h> 90 #include <dev/pcmcia/pcmciavar.h> 91 #include <dev/pcmcia/pcmciadevs.h> 92 93 int ep_pcmcia_match(device_t, cfdata_t, void *); 94 void ep_pcmcia_attach(device_t, device_t, void *); 95 int ep_pcmcia_detach(device_t, int); 96 97 int ep_pcmcia_get_enaddr(struct pcmcia_tuple *, void *); 98 int ep_pcmcia_enable(struct ep_softc *); 99 void ep_pcmcia_disable(struct ep_softc *); 100 101 void ep_pcmcia_disable1(struct ep_softc *); 102 103 struct ep_pcmcia_softc { 104 struct ep_softc sc_ep; /* real "ep" softc */ 105 106 /* PCMCIA-specific goo */ 107 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 108 int sc_io_window; /* our i/o window */ 109 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 110 }; 111 112 CFATTACH_DECL_NEW(ep_pcmcia, sizeof(struct ep_pcmcia_softc), 113 ep_pcmcia_match, ep_pcmcia_attach, ep_pcmcia_detach, ep_activate); 114 115 const struct ep_pcmcia_product { 116 struct pcmcia_product epp_product; 117 u_short epp_chipset; /* 3Com chipset used */ 118 int epp_flags; /* initial softc flags */ 119 } ep_pcmcia_products[] = { 120 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C562, 121 PCMCIA_CIS_INVALID }, 122 ELINK_CHIPSET_3C509, 0 }, 123 124 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C589, 125 PCMCIA_CIS_INVALID }, 126 ELINK_CHIPSET_3C509, 0 }, 127 128 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556, 129 PCMCIA_CIS_INVALID }, 130 ELINK_CHIPSET_3C509, 0 }, 131 132 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556INT, 133 PCMCIA_CIS_INVALID }, 134 ELINK_CHIPSET_3C509, 0 }, 135 136 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C574, 137 PCMCIA_CIS_INVALID }, 138 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 139 140 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CCFEM556BI, 141 PCMCIA_CIS_INVALID }, 142 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, 143 144 { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C1, 145 PCMCIA_CIS_INVALID }, 146 ELINK_CHIPSET_3C509, 0 }, 147 }; 148 const size_t ep_pcmcia_nproducts = 149 sizeof(ep_pcmcia_products) / sizeof(ep_pcmcia_products[0]); 150 151 int 152 ep_pcmcia_match(device_t parent, cfdata_t match, void *aux) 153 { 154 struct pcmcia_attach_args *pa = aux; 155 156 /* This is to differentiate the serial function of some cards. */ 157 if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) 158 return 0; 159 160 if (pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, 161 sizeof(ep_pcmcia_products[0]), NULL)) 162 return 1; 163 return 0; 164 } 165 166 int 167 ep_pcmcia_enable(struct ep_softc *sc) 168 { 169 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 170 struct pcmcia_function *pf = psc->sc_pf; 171 int error; 172 173 /* establish the interrupt. */ 174 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); 175 if (!sc->sc_ih) 176 return EIO; 177 178 error = pcmcia_function_enable(pf); 179 if (error) { 180 pcmcia_intr_disestablish(pf, sc->sc_ih); 181 sc->sc_ih = 0; 182 return error; 183 } 184 185 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 186 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 187 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { 188 int reg; 189 190 /* turn off the serial-disable bit */ 191 192 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 193 if (reg & 0x08) { 194 reg &= ~0x08; 195 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 196 } 197 198 } 199 200 return 0; 201 } 202 203 void 204 ep_pcmcia_disable(struct ep_softc *sc) 205 { 206 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; 207 208 pcmcia_function_disable(psc->sc_pf); 209 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); 210 sc->sc_ih = 0; 211 } 212 213 void 214 ep_pcmcia_attach(device_t parent, device_t self, void *aux) 215 { 216 struct ep_pcmcia_softc *psc = device_private(self); 217 struct ep_softc *sc = &psc->sc_ep; 218 struct pcmcia_attach_args *pa = aux; 219 struct pcmcia_config_entry *cfe; 220 const struct ep_pcmcia_product *epp; 221 u_int8_t myla[ETHER_ADDR_LEN]; 222 u_int8_t *enaddr = NULL; 223 int i; 224 int error; 225 226 sc->sc_dev = self; 227 psc->sc_pf = pa->pf; 228 229 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 230 if (cfe->num_memspace != 0) 231 continue; 232 if (cfe->num_iospace != 1) 233 continue; 234 235 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { 236 /* 237 * the 3c562 can only use 0x??00-0x??7f 238 * according to the Linux driver 239 */ 240 241 /* 242 * 3c562 i/o may decodes address line not only A0-3 243 * but also A7. Anyway, we must sweep at most 244 * [0x0000, 0x0100). The address higher is given by a 245 * pcmcia bridge. But pcmcia bus-space allocation 246 * function implies cards will decode 10-bit address 247 * line. So we must search [0x0000, 0x0400). 248 * 249 * XXX: We must not check the bunch of I/O space range 250 * [0x400*n, 0x300 + 0x400*n) because they are 251 * reserved for legacy ISA devices and their alias 252 * images on PC/AT architecture. 253 */ 254 for (i = 0x0300; i < 0x0380; i += 0x10) { 255 if (pcmcia_io_alloc(pa->pf, i, 256 cfe->iospace[0].length, 257 cfe->iospace[0].length, 258 &psc->sc_pcioh) == 0) 259 break; 260 } 261 if (i != 0x0380) 262 break; 263 } else { 264 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, 265 cfe->iospace[0].length, cfe->iospace[0].length, 266 &psc->sc_pcioh) == 0) 267 break; 268 } 269 } 270 if (!cfe) { 271 aprint_error_dev(self, "failed to allocate I/O space\n"); 272 goto ioalloc_failed; 273 } 274 275 sc->sc_iot = psc->sc_pcioh.iot; 276 sc->sc_ioh = psc->sc_pcioh.ioh; 277 278 /* Enable the card. */ 279 pcmcia_function_init(pa->pf, cfe); 280 281 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 282 PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, 283 &psc->sc_io_window)) { 284 aprint_error_dev(self, "can't map i/o space\n"); 285 goto iomap_failed; 286 } 287 288 error = ep_pcmcia_enable(sc); 289 if (error) 290 goto enable_failed; 291 sc->enabled = 1; 292 293 switch (pa->product) { 294 case PCMCIA_PRODUCT_3COM_3C562: 295 /* 296 * 3c562a-c use this; 3c562d does it in the regular way. 297 * we might want to check the revision and produce a warning 298 * in the future. 299 */ 300 /* FALLTHROUGH */ 301 case PCMCIA_PRODUCT_3COM_3C574: 302 case PCMCIA_PRODUCT_3COM_3CCFEM556BI: 303 /* 304 * Apparently, some 3c574s do it this way, as well. 305 */ 306 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) 307 enaddr = myla; 308 break; 309 } 310 311 epp = pcmcia_product_lookup(pa, ep_pcmcia_products, 312 ep_pcmcia_nproducts, sizeof(ep_pcmcia_products[0]), NULL); 313 if (!epp) 314 panic("ep_pcmcia_attach: impossible"); 315 316 sc->bustype = ELINK_BUS_PCMCIA; 317 sc->ep_flags = epp->epp_flags; 318 319 sc->enable = ep_pcmcia_enable; 320 sc->disable = ep_pcmcia_disable; 321 322 if (epconfig(sc, epp->epp_chipset, enaddr)) 323 aprint_error_dev(self, "couldn't configure controller\n"); 324 325 sc->enabled = 0; 326 ep_pcmcia_disable(sc); 327 return; 328 329 enable_failed: 330 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 331 iomap_failed: 332 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 333 ioalloc_failed: 334 psc->sc_io_window = -1; 335 } 336 337 int 338 ep_pcmcia_detach(device_t self, int flags) 339 { 340 struct ep_pcmcia_softc *psc = device_private(self); 341 int rv; 342 343 if (psc->sc_io_window == -1) 344 /* Nothing to detach. */ 345 return 0; 346 347 rv = ep_detach(self, flags); 348 if (rv != 0) 349 return rv; 350 351 /* Unmap our i/o window. */ 352 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 353 354 /* Free our i/o space. */ 355 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 356 357 return 0; 358 } 359 360 int 361 ep_pcmcia_get_enaddr(struct pcmcia_tuple *tuple, void *arg) 362 { 363 u_int8_t *myla = arg; 364 int i; 365 366 /* this is 3c562a-c magic */ 367 if (tuple->code == 0x88) { 368 if (tuple->length < ETHER_ADDR_LEN) 369 return 0; 370 371 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 372 myla[i] = pcmcia_tuple_read_1(tuple, i + 1); 373 myla[i + 1] = pcmcia_tuple_read_1(tuple, i); 374 } 375 376 return 1; 377 } 378 return 0; 379 } 380
Indexes created Wed Oct 01 19:09:53 GMT 2025