1 /* $OpenBSD: com_pcmcia.c,v 1.55 2015/03/14 03:38:49 jsg Exp $ */ 2 /* $NetBSD: com_pcmcia.c,v 1.15 1998/08/22 17:47:58 msaitoh Exp $ */ 3 4 /* 5 * Copyright (c) 1997 - 1999, Jason Downs. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name(s) of the author(s) nor the name OpenBSD 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 /*- 32 * Copyright (c) 1998 The NetBSD Foundation, Inc. 33 * All rights reserved. 34 * 35 * This code is derived from software contributed to The NetBSD Foundation 36 * by Charles M. Hannum. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 48 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 49 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 50 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 51 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 57 * POSSIBILITY OF SUCH DAMAGE. 58 */ 59 60 /*- 61 * Copyright (c) 1991 The Regents of the University of California. 62 * All rights reserved. 63 * 64 * Redistribution and use in source and binary forms, with or without 65 * modification, are permitted provided that the following conditions 66 * are met: 67 * 1. Redistributions of source code must retain the above copyright 68 * notice, this list of conditions and the following disclaimer. 69 * 2. Redistributions in binary form must reproduce the above copyright 70 * notice, this list of conditions and the following disclaimer in the 71 * documentation and/or other materials provided with the distribution. 72 * 3. Neither the name of the University nor the names of its contributors 73 * may be used to endorse or promote products derived from this software 74 * without specific prior written permission. 75 * 76 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 77 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 78 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 79 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 80 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 81 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 82 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 83 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 84 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 85 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 86 * SUCH DAMAGE. 87 * 88 * @(#)com.c 7.5 (Berkeley) 5/16/91 89 */ 90 91 #include <sys/param.h> 92 #include <sys/systm.h> 93 #include <sys/ioctl.h> 94 #include <sys/selinfo.h> 95 #include <sys/tty.h> 96 #include <sys/conf.h> 97 #include <sys/file.h> 98 #include <sys/uio.h> 99 #include <sys/kernel.h> 100 #include <sys/syslog.h> 101 #include <sys/types.h> 102 #include <sys/device.h> 103 104 #include <machine/intr.h> 105 106 #include <dev/pcmcia/pcmciavar.h> 107 #include <dev/pcmcia/pcmciareg.h> 108 #include <dev/pcmcia/pcmciadevs.h> 109 110 #include "com.h" 111 112 #include <dev/ic/comreg.h> 113 #include <dev/ic/comvar.h> 114 #include <dev/ic/ns16550reg.h> 115 116 #include <dev/isa/isareg.h> 117 118 #define com_lcr com_cfcr 119 120 /* Devices that we need to match by CIS strings */ 121 struct com_pcmcia_product { 122 char *cis1_info[4]; 123 } com_pcmcia_prod[] = { 124 { PCMCIA_CIS_MEGAHERTZ_XJ2288 }, 125 { PCMCIA_CIS_NOVATEL_NRM6831 }, 126 }; 127 128 int com_pcmcia_match(struct device *, void *, void *); 129 void com_pcmcia_attach(struct device *, struct device *, void *); 130 int com_pcmcia_detach(struct device *, int); 131 void com_pcmcia_cleanup(void *); 132 int com_pcmcia_activate(struct device *, int); 133 134 int com_pcmcia_enable(struct com_softc *); 135 void com_pcmcia_disable(struct com_softc *); 136 int com_pcmcia_enable1(struct com_softc *); 137 void com_pcmcia_disable1(struct com_softc *); 138 139 struct com_pcmcia_softc { 140 struct com_softc sc_com; /* real "com" softc */ 141 142 /* PCMCIA-specific goo */ 143 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ 144 int sc_io_window; /* our i/o window */ 145 struct pcmcia_function *sc_pf; /* our PCMCIA function */ 146 void *sc_ih; /* interrupt handler */ 147 }; 148 149 struct cfattach com_pcmcia_ca = { 150 sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach, 151 com_pcmcia_detach, com_pcmcia_activate 152 }; 153 154 int 155 com_pcmcia_match(parent, match, aux) 156 struct device *parent; 157 void *match, *aux; 158 { 159 struct pcmcia_attach_args *pa = aux; 160 struct pcmcia_config_entry *cfe; 161 int i, j, comportmask; 162 163 /* 1. Does it claim to be a serial device? */ 164 if (pa->pf->function == PCMCIA_FUNCTION_SERIAL) 165 return 1; 166 167 /* 2. Does it have all four 'standard' port ranges? */ 168 comportmask = 0; 169 SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { 170 switch (cfe->iospace[0].start) { 171 case IO_COM1: 172 comportmask |= 1; 173 break; 174 case IO_COM2: 175 comportmask |= 2; 176 break; 177 case IO_COM3: 178 comportmask |= 4; 179 break; 180 case IO_COM4: 181 comportmask |= 8; 182 break; 183 } 184 } 185 186 if (comportmask == 15) 187 return 1; 188 189 /* 3. Is this a card we know about? */ 190 for (i = 0; i < nitems(com_pcmcia_prod); i++) { 191 for (j = 0; j < 4; j++) 192 if (com_pcmcia_prod[i].cis1_info[j] && 193 pa->card->cis1_info[j] && 194 strcmp(pa->card->cis1_info[j], 195 com_pcmcia_prod[i].cis1_info[j])) 196 break; 197 if (j == 4) 198 return 1; 199 } 200 201 return 0; 202 } 203 204 int 205 com_pcmcia_activate(dev, act) 206 struct device *dev; 207 int act; 208 { 209 struct com_pcmcia_softc *sc = (void *) dev; 210 211 switch (act) { 212 case DVACT_SUSPEND: 213 if (sc->sc_ih) 214 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 215 sc->sc_ih = NULL; 216 pcmcia_function_disable(sc->sc_pf); 217 break; 218 case DVACT_RESUME: 219 pcmcia_function_enable(sc->sc_pf); 220 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_TTY, 221 comintr, sc, sc->sc_com.sc_dev.dv_xname); 222 com_resume(&sc->sc_com); 223 break; 224 case DVACT_DEACTIVATE: 225 if (sc->sc_ih) 226 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih); 227 sc->sc_ih = NULL; 228 pcmcia_function_disable(sc->sc_pf); 229 break; 230 } 231 return (0); 232 } 233 234 void 235 com_pcmcia_attach(parent, self, aux) 236 struct device *parent, *self; 237 void *aux; 238 { 239 struct com_pcmcia_softc *psc = (void *) self; 240 struct com_softc *sc = &psc->sc_com; 241 struct pcmcia_attach_args *pa = aux; 242 struct pcmcia_config_entry *cfe; 243 const char *intrstr; 244 int autoalloc = 0; 245 246 psc->sc_pf = pa->pf; 247 248 retry: 249 /* find a cfe we can use */ 250 251 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe; 252 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) { 253 #if 0 254 /* 255 * Some modem cards (e.g. Xircom CM33) also have 256 * mem space. Don't bother with this check. 257 */ 258 if (cfe->num_memspace != 0) 259 continue; 260 #endif 261 262 if (cfe->num_iospace != 1) 263 continue; 264 265 if (!pcmcia_io_alloc(pa->pf, 266 autoalloc ? 0 : cfe->iospace[0].start, 267 cfe->iospace[0].length, COM_NPORTS, &psc->sc_pcioh)) { 268 goto found; 269 } 270 } 271 if (autoalloc == 0) { 272 autoalloc = 1; 273 goto retry; 274 } else if (!cfe) { 275 printf(": can't allocate i/o space\n"); 276 return; 277 } 278 279 found: 280 sc->sc_iot = psc->sc_pcioh.iot; 281 sc->sc_ioh = psc->sc_pcioh.ioh; 282 283 /* Enable the card. */ 284 pcmcia_function_init(pa->pf, cfe); 285 if (com_pcmcia_enable1(sc)) 286 printf(": function enable failed\n"); 287 288 sc->enabled = 1; 289 290 /* map in the io space */ 291 292 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? 293 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size, 294 &psc->sc_pcioh, &psc->sc_io_window)) { 295 printf(": can't map i/o space\n"); 296 return; 297 } 298 299 printf(" port 0x%lx/%lu", psc->sc_pcioh.addr, 300 (u_long)psc->sc_pcioh.size); 301 302 sc->sc_iobase = -1; 303 sc->enable = com_pcmcia_enable; 304 sc->disable = com_pcmcia_disable; 305 sc->sc_frequency = COM_FREQ; 306 307 sc->sc_hwflags = 0; 308 sc->sc_swflags = 0; 309 310 if (psc->sc_pf->sc->card.manufacturer == PCMCIA_VENDOR_AUDIOVOX && 311 psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_AUDIOVOX_RTM8000) 312 sc->sc_fifolen = 16; 313 314 com_attach_subr(sc); 315 316 /* establish the interrupt. */ 317 psc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_TTY, comintr, sc, 318 sc->sc_dev.dv_xname); 319 intrstr = pcmcia_intr_string(psc->sc_pf, psc->sc_ih); 320 if (*intrstr) 321 printf(", %s", intrstr); 322 323 #ifdef notyet 324 sc->enabled = 0; 325 326 com_pcmcia_disable1(sc); 327 #endif 328 } 329 330 int 331 com_pcmcia_detach(dev, flags) 332 struct device *dev; 333 int flags; 334 { 335 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *)dev; 336 int error; 337 338 /* Release all resources. */ 339 error = com_detach(dev, flags); 340 if (error) 341 return (error); 342 343 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); 344 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); 345 346 return (0); 347 } 348 349 int 350 com_pcmcia_enable(sc) 351 struct com_softc *sc; 352 { 353 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 354 struct pcmcia_function *pf = psc->sc_pf; 355 356 /* establish the interrupt. */ 357 psc->sc_ih = pcmcia_intr_establish(pf, IPL_TTY, comintr, sc, 358 sc->sc_dev.dv_xname); 359 if (psc->sc_ih == NULL) { 360 printf("%s: couldn't establish interrupt\n", 361 sc->sc_dev.dv_xname); 362 return (1); 363 } 364 return com_pcmcia_enable1(sc); 365 } 366 367 int 368 com_pcmcia_enable1(sc) 369 struct com_softc *sc; 370 { 371 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 372 struct pcmcia_function *pf = psc->sc_pf; 373 int ret; 374 375 if ((ret = pcmcia_function_enable(pf))) 376 return(ret); 377 378 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || 379 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || 380 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556B)) { 381 int reg; 382 383 /* turn off the ethernet-disable bit */ 384 385 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); 386 if (reg & 0x08) { 387 reg &= ~0x08; 388 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); 389 } 390 } 391 392 return(ret); 393 } 394 395 void 396 com_pcmcia_disable(sc) 397 struct com_softc *sc; 398 { 399 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 400 401 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); 402 com_pcmcia_disable1(sc); 403 } 404 405 void 406 com_pcmcia_disable1(sc) 407 struct com_softc *sc; 408 { 409 struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc; 410 411 pcmcia_function_disable(psc->sc_pf); 412 } 413