Annotation of sys/dev/pcmcia/com_pcmcia.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: com_pcmcia.c,v 1.46 2006/05/28 16:49:46 fkr 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: * 3. All advertising materials mentioning features or use of this software
! 47: * must display the following acknowledgement:
! 48: * This product includes software developed by the NetBSD
! 49: * Foundation, Inc. and its contributors.
! 50: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 51: * contributors may be used to endorse or promote products derived
! 52: * from this software without specific prior written permission.
! 53: *
! 54: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 55: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 56: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 57: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 58: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 59: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 60: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 61: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 62: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 63: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 64: * POSSIBILITY OF SUCH DAMAGE.
! 65: */
! 66:
! 67: /*-
! 68: * Copyright (c) 1991 The Regents of the University of California.
! 69: * All rights reserved.
! 70: *
! 71: * Redistribution and use in source and binary forms, with or without
! 72: * modification, are permitted provided that the following conditions
! 73: * are met:
! 74: * 1. Redistributions of source code must retain the above copyright
! 75: * notice, this list of conditions and the following disclaimer.
! 76: * 2. Redistributions in binary form must reproduce the above copyright
! 77: * notice, this list of conditions and the following disclaimer in the
! 78: * documentation and/or other materials provided with the distribution.
! 79: * 3. Neither the name of the University nor the names of its contributors
! 80: * may be used to endorse or promote products derived from this software
! 81: * without specific prior written permission.
! 82: *
! 83: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 84: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 85: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 86: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 87: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 88: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 89: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 90: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 91: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 92: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 93: * SUCH DAMAGE.
! 94: *
! 95: * @(#)com.c 7.5 (Berkeley) 5/16/91
! 96: */
! 97:
! 98: #include <sys/param.h>
! 99: #include <sys/systm.h>
! 100: #include <sys/ioctl.h>
! 101: #include <sys/selinfo.h>
! 102: #include <sys/tty.h>
! 103: #include <sys/proc.h>
! 104: #include <sys/user.h>
! 105: #include <sys/conf.h>
! 106: #include <sys/file.h>
! 107: #include <sys/uio.h>
! 108: #include <sys/kernel.h>
! 109: #include <sys/syslog.h>
! 110: #include <sys/types.h>
! 111: #include <sys/device.h>
! 112:
! 113: #include <machine/intr.h>
! 114: #include <machine/bus.h>
! 115:
! 116: #include <dev/pcmcia/pcmciavar.h>
! 117: #include <dev/pcmcia/pcmciareg.h>
! 118: #include <dev/pcmcia/pcmciadevs.h>
! 119:
! 120: #include "com.h"
! 121: #ifdef i386
! 122: #include "pccom.h"
! 123: #endif
! 124:
! 125: #include <dev/ic/comreg.h>
! 126: #if NPCCOM > 0
! 127: #include <i386/isa/pccomvar.h>
! 128: #endif
! 129: #if NCOM > 0
! 130: #include <dev/ic/comvar.h>
! 131: #endif
! 132: #include <dev/ic/ns16550reg.h>
! 133:
! 134: #include <dev/isa/isareg.h>
! 135:
! 136: #define com_lcr com_cfcr
! 137:
! 138: /* Devices that we need to match by CIS strings */
! 139: struct com_pcmcia_product {
! 140: char *cis1_info[4];
! 141: } com_pcmcia_prod[] = {
! 142: { PCMCIA_CIS_MEGAHERTZ_XJ2288 },
! 143: { PCMCIA_CIS_NOVATEL_NRM6831 },
! 144: };
! 145:
! 146: int com_pcmcia_match(struct device *, void *, void *);
! 147: void com_pcmcia_attach(struct device *, struct device *, void *);
! 148: int com_pcmcia_detach(struct device *, int);
! 149: void com_pcmcia_cleanup(void *);
! 150: int com_pcmcia_activate(struct device *, enum devact);
! 151:
! 152: int com_pcmcia_enable(struct com_softc *);
! 153: void com_pcmcia_disable(struct com_softc *);
! 154: int com_pcmcia_enable1(struct com_softc *);
! 155: void com_pcmcia_disable1(struct com_softc *);
! 156:
! 157: struct com_pcmcia_softc {
! 158: struct com_softc sc_com; /* real "com" softc */
! 159:
! 160: /* PCMCIA-specific goo */
! 161: struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
! 162: int sc_io_window; /* our i/o window */
! 163: struct pcmcia_function *sc_pf; /* our PCMCIA function */
! 164: void *sc_ih; /* interrupt handler */
! 165: };
! 166:
! 167: #if NCOM
! 168: struct cfattach com_pcmcia_ca = {
! 169: sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach,
! 170: com_pcmcia_detach, com_pcmcia_activate
! 171: };
! 172: #elif NPCCOM
! 173: struct cfattach pccom_pcmcia_ca = {
! 174: sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach,
! 175: com_pcmcia_detach, com_pcmcia_activate
! 176: };
! 177: #endif
! 178:
! 179: int
! 180: com_pcmcia_match(parent, match, aux)
! 181: struct device *parent;
! 182: void *match, *aux;
! 183: {
! 184: struct pcmcia_attach_args *pa = aux;
! 185: struct pcmcia_config_entry *cfe;
! 186: int i, j, comportmask;
! 187:
! 188: /* 1. Does it claim to be a serial device? */
! 189: if (pa->pf->function == PCMCIA_FUNCTION_SERIAL)
! 190: return 1;
! 191:
! 192: /* 2. Does it have all four 'standard' port ranges? */
! 193: comportmask = 0;
! 194: SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) {
! 195: switch (cfe->iospace[0].start) {
! 196: case IO_COM1:
! 197: comportmask |= 1;
! 198: break;
! 199: case IO_COM2:
! 200: comportmask |= 2;
! 201: break;
! 202: case IO_COM3:
! 203: comportmask |= 4;
! 204: break;
! 205: case IO_COM4:
! 206: comportmask |= 8;
! 207: break;
! 208: }
! 209: }
! 210:
! 211: if (comportmask == 15)
! 212: return 1;
! 213:
! 214: /* 3. Is this a card we know about? */
! 215: for (i = 0; i < sizeof(com_pcmcia_prod)/sizeof(com_pcmcia_prod[0]);
! 216: i++) {
! 217: for (j = 0; j < 4; j++)
! 218: if (com_pcmcia_prod[i].cis1_info[j] &&
! 219: pa->card->cis1_info[j] &&
! 220: strcmp(pa->card->cis1_info[j],
! 221: com_pcmcia_prod[i].cis1_info[j]))
! 222: break;
! 223: if (j == 4)
! 224: return 1;
! 225: }
! 226:
! 227: return 0;
! 228: }
! 229:
! 230: int
! 231: com_pcmcia_activate(dev, act)
! 232: struct device *dev;
! 233: enum devact act;
! 234: {
! 235: struct com_pcmcia_softc *sc = (void *) dev;
! 236: int s;
! 237:
! 238: s = spltty();
! 239: switch (act) {
! 240: case DVACT_ACTIVATE:
! 241: pcmcia_function_enable(sc->sc_pf);
! 242: sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_TTY,
! 243: comintr, sc, sc->sc_com.sc_dev.dv_xname);
! 244: break;
! 245:
! 246: case DVACT_DEACTIVATE:
! 247: pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
! 248: pcmcia_function_disable(sc->sc_pf);
! 249: break;
! 250: }
! 251: splx(s);
! 252: return (0);
! 253: }
! 254:
! 255: void
! 256: com_pcmcia_attach(parent, self, aux)
! 257: struct device *parent, *self;
! 258: void *aux;
! 259: {
! 260: struct com_pcmcia_softc *psc = (void *) self;
! 261: struct com_softc *sc = &psc->sc_com;
! 262: struct pcmcia_attach_args *pa = aux;
! 263: struct pcmcia_config_entry *cfe;
! 264: const char *intrstr;
! 265: int autoalloc = 0;
! 266:
! 267: psc->sc_pf = pa->pf;
! 268:
! 269: retry:
! 270: /* find a cfe we can use */
! 271:
! 272: for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe;
! 273: cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
! 274: #if 0
! 275: /*
! 276: * Some modem cards (e.g. Xircom CM33) also have
! 277: * mem space. Don't bother with this check.
! 278: */
! 279: if (cfe->num_memspace != 0)
! 280: continue;
! 281: #endif
! 282:
! 283: if (cfe->num_iospace != 1)
! 284: continue;
! 285:
! 286: if (!pcmcia_io_alloc(pa->pf,
! 287: autoalloc ? 0 : cfe->iospace[0].start,
! 288: cfe->iospace[0].length, COM_NPORTS, &psc->sc_pcioh)) {
! 289: goto found;
! 290: }
! 291: }
! 292: if (autoalloc == 0) {
! 293: autoalloc = 1;
! 294: goto retry;
! 295: } else if (!cfe) {
! 296: printf(": can't allocate i/o space\n");
! 297: return;
! 298: }
! 299:
! 300: found:
! 301: sc->sc_iot = psc->sc_pcioh.iot;
! 302: sc->sc_ioh = psc->sc_pcioh.ioh;
! 303:
! 304: /* Enable the card. */
! 305: pcmcia_function_init(pa->pf, cfe);
! 306: if (com_pcmcia_enable1(sc))
! 307: printf(": function enable failed\n");
! 308:
! 309: sc->enabled = 1;
! 310:
! 311: /* map in the io space */
! 312:
! 313: if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
! 314: PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
! 315: &psc->sc_pcioh, &psc->sc_io_window)) {
! 316: printf(": can't map i/o space\n");
! 317: return;
! 318: }
! 319:
! 320: printf(" port 0x%lx/%lu", psc->sc_pcioh.addr,
! 321: (u_long)psc->sc_pcioh.size);
! 322:
! 323: sc->sc_iobase = -1;
! 324: sc->enable = com_pcmcia_enable;
! 325: sc->disable = com_pcmcia_disable;
! 326: sc->sc_frequency = COM_FREQ;
! 327:
! 328: sc->sc_hwflags = 0;
! 329: sc->sc_swflags = 0;
! 330:
! 331: if (psc->sc_pf->sc->card.manufacturer == PCMCIA_VENDOR_AUDIOVOX &&
! 332: psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_AUDIOVOX_RTM8000)
! 333: sc->sc_fifolen = 16;
! 334:
! 335: com_attach_subr(sc);
! 336:
! 337: /* establish the interrupt. */
! 338: psc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_TTY, comintr, sc,
! 339: sc->sc_dev.dv_xname);
! 340: intrstr = pcmcia_intr_string(psc->sc_pf, psc->sc_ih);
! 341: if (*intrstr)
! 342: printf(", %s", intrstr);
! 343:
! 344: #ifdef notyet
! 345: sc->enabled = 0;
! 346:
! 347: com_pcmcia_disable1(sc);
! 348: #endif
! 349: }
! 350:
! 351: int
! 352: com_pcmcia_detach(dev, flags)
! 353: struct device *dev;
! 354: int flags;
! 355: {
! 356: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *)dev;
! 357: int error;
! 358:
! 359: /* Release all resources. */
! 360: error = com_detach(dev, flags);
! 361: if (error)
! 362: return (error);
! 363:
! 364: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
! 365: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
! 366:
! 367: return (0);
! 368: }
! 369:
! 370: int
! 371: com_pcmcia_enable(sc)
! 372: struct com_softc *sc;
! 373: {
! 374: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
! 375: struct pcmcia_function *pf = psc->sc_pf;
! 376:
! 377: /* establish the interrupt. */
! 378: psc->sc_ih = pcmcia_intr_establish(pf, IPL_TTY, comintr, sc,
! 379: sc->sc_dev.dv_xname);
! 380: if (psc->sc_ih == NULL) {
! 381: printf("%s: couldn't establish interrupt\n",
! 382: sc->sc_dev.dv_xname);
! 383: return (1);
! 384: }
! 385: return com_pcmcia_enable1(sc);
! 386: }
! 387:
! 388: int
! 389: com_pcmcia_enable1(sc)
! 390: struct com_softc *sc;
! 391: {
! 392: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
! 393: struct pcmcia_function *pf = psc->sc_pf;
! 394: int ret;
! 395:
! 396: if ((ret = pcmcia_function_enable(pf)))
! 397: return(ret);
! 398:
! 399: if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
! 400: (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
! 401: (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556B)) {
! 402: int reg;
! 403:
! 404: /* turn off the ethernet-disable bit */
! 405:
! 406: reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
! 407: if (reg & 0x08) {
! 408: reg &= ~0x08;
! 409: pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
! 410: }
! 411: }
! 412:
! 413: return(ret);
! 414: }
! 415:
! 416: void
! 417: com_pcmcia_disable(sc)
! 418: struct com_softc *sc;
! 419: {
! 420: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
! 421:
! 422: pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
! 423: com_pcmcia_disable1(sc);
! 424: }
! 425:
! 426: void
! 427: com_pcmcia_disable1(sc)
! 428: struct com_softc *sc;
! 429: {
! 430: struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
! 431:
! 432: pcmcia_function_disable(psc->sc_pf);
! 433: }
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