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com_pcmcia.c revision 1.13
      1 /*	$NetBSD: com_pcmcia.c,v 1.13 1998/08/15 17:47:17 mycroft Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Charles M. Hannum.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*-
     40  * Copyright (c) 1991 The Regents of the University of California.
     41  * All rights reserved.
     42  *
     43  * Redistribution and use in source and binary forms, with or without
     44  * modification, are permitted provided that the following conditions
     45  * are met:
     46  * 1. Redistributions of source code must retain the above copyright
     47  *    notice, this list of conditions and the following disclaimer.
     48  * 2. Redistributions in binary form must reproduce the above copyright
     49  *    notice, this list of conditions and the following disclaimer in the
     50  *    documentation and/or other materials provided with the distribution.
     51  * 3. All advertising materials mentioning features or use of this software
     52  *    must display the following acknowledgement:
     53  *	This product includes software developed by the University of
     54  *	California, Berkeley and its contributors.
     55  * 4. Neither the name of the University nor the names of its contributors
     56  *    may be used to endorse or promote products derived from this software
     57  *    without specific prior written permission.
     58  *
     59  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     69  * SUCH DAMAGE.
     70  *
     71  *	@(#)com.c	7.5 (Berkeley) 5/16/91
     72  */
     73 
     74 #include <sys/param.h>
     75 #include <sys/systm.h>
     76 #include <sys/ioctl.h>
     77 #include <sys/select.h>
     78 #include <sys/tty.h>
     79 #include <sys/proc.h>
     80 #include <sys/user.h>
     81 #include <sys/conf.h>
     82 #include <sys/file.h>
     83 #include <sys/uio.h>
     84 #include <sys/kernel.h>
     85 #include <sys/syslog.h>
     86 #include <sys/types.h>
     87 #include <sys/device.h>
     88 
     89 #include <machine/intr.h>
     90 #include <machine/bus.h>
     91 
     92 #include <dev/pcmcia/pcmciavar.h>
     93 #include <dev/pcmcia/pcmciareg.h>
     94 #include <dev/pcmcia/pcmciadevs.h>
     95 
     96 #include <dev/ic/comreg.h>
     97 #include <dev/ic/comvar.h>
     98 
     99 #include <dev/isa/isareg.h>
    100 
    101 struct com_dev {
    102 	char *name;
    103 	int manufacturer;
    104 	int product;
    105 	char *cis1_info[4];
    106 };
    107 
    108 static struct com_dev com_devs[] = {
    109 	{ PCMCIA_STR_3COM_3C562,
    110 	  PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C562,
    111 	  PCMCIA_CIS_3COM_3C562 },
    112 
    113 	{ PCMCIA_STR_MOTOROLA_POWER144,
    114 	  PCMCIA_VENDOR_MOTOROLA, PCMCIA_PRODUCT_MOTOROLA_POWER144,
    115 	  PCMCIA_CIS_MOTOROLA_POWER144 },
    116 
    117 	{ PCMCIA_STR_IBM_HOME_AND_AWAY,
    118 	  PCMCIA_VENDOR_IBM, PCMCIA_PRODUCT_IBM_HOME_AND_AWAY,
    119 	  PCMCIA_CIS_IBM_HOME_AND_AWAY },
    120 
    121 	{ PCMCIA_STR_MEGAHERTZ_XJ4288,
    122 	  PCMCIA_VENDOR_MEGAHERTZ, PCMCIA_PRODUCT_MEGAHERTZ_XJ4288,
    123 	  PCMCIA_CIS_MEGAHERTZ_XJ4288 },
    124 
    125 	{ PCMCIA_STR_MEGAHERTZ_XJ4288,
    126 	  PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_MEGAHERTZ_XJ4288,
    127 	  PCMCIA_CIS_MEGAHERTZ_XJ4288 },
    128 
    129 	{ PCMCIA_STR_USROBOTICS_WORLDPORT144,
    130 	  PCMCIA_VENDOR_USROBOTICS, PCMCIA_PRODUCT_USROBOTICS_WORLDPORT144,
    131 	  PCMCIA_CIS_USROBOTICS_WORLDPORT144 },
    132 
    133 	{ PCMCIA_STR_SOCKET_PAGECARD,
    134 	  PCMCIA_VENDOR_SOCKET, PCMCIA_PRODUCT_SOCKET_PAGECARD,
    135 	  PCMCIA_CIS_SOCKET_PAGECARD },
    136 
    137 	{ PCMCIA_STR_MOTOROLA_PM100C,
    138 	  PCMCIA_VENDOR_MOTOROLA, PCMCIA_PRODUCT_MOTOROLA_PM100C,
    139 	  PCMCIA_CIS_MOTOROLA_PM100C },
    140 
    141 	{ PCMCIA_STR_SIMPLETECH_COMMUNICATOR288,
    142 	  PCMCIA_VENDOR_SIMPLETECH, PCMCIA_PRODUCT_SIMPLETECH_COMMUNICATOR288,
    143 	  PCMCIA_CIS_SIMPLETECH_COMMUNICATOR288 },
    144 };
    145 
    146 
    147 static int com_devs_size = sizeof(com_devs) / sizeof(com_devs[0]);
    148 static struct com_dev *com_dev_match __P((struct pcmcia_card *));
    149 
    150 int com_pcmcia_match __P((struct device *, struct cfdata *, void *));
    151 void com_pcmcia_attach __P((struct device *, struct device *, void *));
    152 void com_pcmcia_cleanup __P((void *));
    153 
    154 int com_pcmcia_enable __P((struct com_softc *));
    155 void com_pcmcia_disable __P((struct com_softc *));
    156 int com_pcmcia_enable1 __P((struct com_softc *));
    157 void com_pcmcia_disable1 __P((struct com_softc *));
    158 
    159 struct com_pcmcia_softc {
    160 	struct com_softc sc_com;		/* real "com" softc */
    161 
    162 	/* PCMCIA-specific goo */
    163 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
    164 	int sc_io_window;			/* our i/o window */
    165 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
    166 	void *sc_ih;				/* interrupt handler */
    167 };
    168 
    169 struct cfattach com_pcmcia_ca = {
    170 	sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach
    171 };
    172 
    173 static struct com_dev *
    174 com_dev_match(card)
    175 	struct pcmcia_card *card;
    176 {
    177 	int i;
    178 
    179 	/* 1. check our table */
    180 	for (i = 0; i < com_devs_size; i++) {
    181 		if (com_devs[i].manufacturer != PCMCIA_VENDOR_INVALID) {
    182 			/* manufacturer/product match */
    183 			if (com_devs[i].manufacturer == card->manufacturer &&
    184 			    com_devs[i].product == card->product)
    185 				return &com_devs[i];
    186 		} else {
    187 			/* cis strings match */
    188 			int j;
    189 
    190 			if (com_devs[i].cis1_info[0] == NULL)
    191 				continue;
    192 			for (j = 0; j < 4; j++)
    193 				if (com_devs[i].cis1_info[j] &&
    194 				    strcmp(com_devs[i].cis1_info[j],
    195 				    card->cis1_info[j]))
    196 					break;
    197 			if (j == 4)
    198 				return &com_devs[i];
    199 		}
    200 	}
    201 
    202 	return NULL;
    203 }
    204 
    205 
    206 int
    207 com_pcmcia_match(parent, match, aux)
    208 	struct device *parent;
    209 	struct cfdata *match;
    210 	void *aux;
    211 {
    212 	int comportmask;
    213 	struct pcmcia_attach_args *pa = aux;
    214 	struct pcmcia_config_entry *cfe;
    215 
    216 	/* 1. Does it claim to be a serial device? */
    217 	if (pa->pf->function == PCMCIA_FUNCTION_SERIAL)
    218 	    return 1;
    219 
    220 	/* 2. Does it have all four 'standard' port ranges? */
    221 	comportmask = 0;
    222 	for (cfe = pa->pf->cfe_head.sqh_first; cfe;
    223 	     cfe = cfe->cfe_list.sqe_next) {
    224 	  switch (cfe->iospace[0].start) {
    225 	  case IO_COM1:
    226 	    comportmask |= 1;
    227 	    break;
    228 	  case IO_COM2:
    229 	    comportmask |= 2;
    230 	    break;
    231 	  case IO_COM3:
    232 	    comportmask |= 4;
    233 	    break;
    234 	  case IO_COM4:
    235 	    comportmask |= 8;
    236 	    break;
    237 	  }
    238 	}
    239 
    240 	if (comportmask == 15)
    241 	    return 1;
    242 
    243 	/* 3. Is this a card we know about? */
    244 	if (com_dev_match(pa->card) != NULL)
    245 	    return 1;
    246 
    247 	return 0;
    248 }
    249 
    250 void
    251 com_pcmcia_attach(parent, self, aux)
    252 	struct device *parent, *self;
    253 	void *aux;
    254 {
    255 	struct com_pcmcia_softc *psc = (void *) self;
    256 	struct com_softc *sc = &psc->sc_com;
    257 	struct pcmcia_attach_args *pa = aux;
    258 	struct pcmcia_config_entry *cfe;
    259 	struct com_dev *comdev;
    260 
    261 	psc->sc_pf = pa->pf;
    262 
    263 	/* find a cfe we can use */
    264 
    265 	for (cfe = pa->pf->cfe_head.sqh_first; cfe;
    266 	     cfe = cfe->cfe_list.sqe_next) {
    267 #if 0
    268 		/*
    269 		 * Some modem cards (e.g. Xircom CM33) also have
    270 		 * mem space.  Don't bother with this check.
    271 		 */
    272 		if (cfe->num_memspace != 0)
    273 			continue;
    274 #endif
    275 
    276 		if (cfe->num_iospace != 1)
    277 			continue;
    278 
    279 		if (cfe->iomask == 3) {
    280 			if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
    281 			    cfe->iospace[0].length, &psc->sc_pcioh)) {
    282 				continue;
    283 			}
    284 		} else {
    285 			if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    286 			    cfe->iospace[0].length, 0, &psc->sc_pcioh)) {
    287 				continue;
    288 			}
    289 		}
    290 
    291 		break;
    292 	}
    293 
    294 	if (!cfe) {
    295 		printf(": can't allocate i/o space\n");
    296 		return;
    297 	}
    298 
    299 	sc->sc_iot = psc->sc_pcioh.iot;
    300 	sc->sc_ioh = psc->sc_pcioh.ioh;
    301 
    302 	/* Enable the card. */
    303 	pcmcia_function_init(pa->pf, cfe);
    304 	if (com_pcmcia_enable1(sc))
    305 		printf(": function enable failed\n");
    306 
    307 	sc->enabled = 1;
    308 
    309 	/* map in the io space */
    310 
    311 	if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
    312 	    PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
    313 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    314 		printf(": can't map i/o space\n");
    315 		return;
    316 	}
    317 
    318 	sc->sc_iobase = -1;
    319 	sc->sc_frequency = COM_FREQ;
    320 
    321 	sc->enable = com_pcmcia_enable;
    322 	sc->disable = com_pcmcia_disable;
    323 
    324 	if ((comdev = com_dev_match(pa->card)) != NULL)
    325 		printf(": %s", comdev->name);
    326 	else
    327 		printf(": Generic serial device");
    328 
    329 	com_attach_subr(sc);
    330 
    331 	sc->enabled = 0;
    332 
    333 	com_pcmcia_disable1(sc);
    334 }
    335 
    336 int
    337 com_pcmcia_enable(sc)
    338 	struct com_softc *sc;
    339 {
    340 	struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
    341 	struct pcmcia_function *pf = psc->sc_pf;
    342 
    343 	/* establish the interrupt. */
    344 	psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc);
    345 	if (psc->sc_ih == NULL) {
    346 		printf("%s: couldn't establish interrupt\n",
    347 		       sc->sc_dev.dv_xname);
    348 		return (1);
    349 	}
    350 	return com_pcmcia_enable1(sc);
    351 }
    352 
    353 int
    354 com_pcmcia_enable1(sc)
    355 	struct com_softc *sc;
    356 {
    357 	struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
    358 	struct pcmcia_function *pf = psc->sc_pf;
    359 	int ret;
    360 
    361 	if ((ret = pcmcia_function_enable(pf)))
    362 	    return(ret);
    363 
    364 	if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
    365 		int reg;
    366 
    367 		/* turn off the ethernet-disable bit */
    368 
    369 		reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
    370 		if (reg & 0x08) {
    371 		    reg &= ~0x08;
    372 		    pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
    373 		}
    374 	}
    375 
    376 	return(ret);
    377 }
    378 
    379 void
    380 com_pcmcia_disable(sc)
    381 	struct com_softc *sc;
    382 {
    383 	struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
    384 
    385 	com_pcmcia_disable1(sc);
    386 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    387 }
    388 
    389 void
    390 com_pcmcia_disable1(sc)
    391 	struct com_softc *sc;
    392 {
    393 	struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
    394 
    395 	pcmcia_function_disable(psc->sc_pf);
    396 }
    397