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com_pcmcia.c revision 1.1.2.14
      1 /*	$NetBSD: com_pcmcia.c,v 1.1.2.14 1997/10/16 01:58:56 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1993, 1994, 1995, 1996
      5  *	Charles M. Hannum.  All rights reserved.
      6  * Copyright (c) 1991 The Regents of the University of California.
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed by the University of
     20  *	California, Berkeley and its contributors.
     21  * 4. Neither the name of the University nor the names of its contributors
     22  *    may be used to endorse or promote products derived from this software
     23  *    without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  *
     37  *	@(#)com.c	7.5 (Berkeley) 5/16/91
     38  */
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/ioctl.h>
     43 #include <sys/select.h>
     44 #include <sys/tty.h>
     45 #include <sys/proc.h>
     46 #include <sys/user.h>
     47 #include <sys/conf.h>
     48 #include <sys/file.h>
     49 #include <sys/uio.h>
     50 #include <sys/kernel.h>
     51 #include <sys/syslog.h>
     52 #include <sys/types.h>
     53 #include <sys/device.h>
     54 
     55 #include <machine/intr.h>
     56 #include <machine/bus.h>
     57 
     58 #include <dev/pcmcia/pcmciavar.h>
     59 #include <dev/pcmcia/pcmciareg.h>
     60 
     61 #include <dev/ic/comreg.h>
     62 #include <dev/ic/comvar.h>
     63 
     64 #include <dev/isa/isareg.h>
     65 
     66 #define PCMCIA_MANUFACTURER_3COM		0x101
     67 #define PCMCIA_PRODUCT_3COM_3C562		0x562
     68 
     69 #define PCMCIA_MANUFACTURER_MOTOROLA		0x109
     70 #define PCMCIA_PRODUCT_MOTOROLA_POWER144	0x105
     71 
     72 #define	PCMCIA_MANUFACTURER_IBM			0xa4
     73 #define	PCMCIA_PRODUCT_IBM_HOME_AND_AWAY	0x2e
     74 
     75 #ifdef __BROKEN_INDIRECT_CONFIG
     76 int com_pcmcia_match __P((struct device *, void *, void *));
     77 #else
     78 int com_pcmcia_match __P((struct device *, struct cfdata *, void *));
     79 #endif
     80 void com_pcmcia_attach __P((struct device *, struct device *, void *));
     81 void com_pcmcia_cleanup __P((void *));
     82 
     83 struct com_pcmcia_softc {
     84 	struct com_softc sc_com;		/* real "com" softc */
     85 
     86 	/* PCMCIA-specific goo */
     87 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     88 	int sc_io_window;			/* our i/o window */
     89 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
     90 	void *sc_ih;				/* interrupt handler */
     91 };
     92 
     93 struct cfattach com_pcmcia_ca = {
     94 	sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach
     95 };
     96 
     97 int
     98 com_pcmcia_match(parent, match, aux)
     99 	struct device *parent;
    100 #ifdef __BROKEN_INDIRECT_CONFIG
    101 	void *match;
    102 #else
    103 	struct cfdata *match;
    104 #endif
    105 	void *aux;
    106 {
    107 	struct pcmcia_attach_args *pa = aux;
    108 	struct pcmcia_config_entry *cfe;
    109 
    110 	if ((pa->manufacturer == PCMCIA_MANUFACTURER_3COM) &&
    111 	    (pa->product == PCMCIA_PRODUCT_3COM_3C562) &&
    112 	    (pa->pf->number == 1))
    113 		return(1);
    114 
    115 	if ((pa->manufacturer == PCMCIA_MANUFACTURER_MOTOROLA) &&
    116 	    (pa->product == PCMCIA_PRODUCT_MOTOROLA_POWER144) &&
    117 	    (pa->pf->number == 0))
    118 		return(1);
    119 
    120 	if ((pa->manufacturer == PCMCIA_MANUFACTURER_IBM) &&
    121 	    (pa->product == PCMCIA_PRODUCT_IBM_HOME_AND_AWAY) &&
    122 	    (pa->pf->number == 1))
    123 		return(1);
    124 
    125 	/* find a cfe we can use (if it matches a standard COM port) */
    126 
    127 	for (cfe = pa->pf->cfe_head.sqh_first; cfe;
    128 	     cfe = cfe->cfe_list.sqe_next) {
    129 		if (cfe->iospace[0].start == IO_COM1 ||
    130 		    cfe->iospace[0].start == IO_COM2 ||
    131 		    cfe->iospace[0].start == IO_COM3 ||
    132 		    cfe->iospace[0].start == IO_COM4)
    133 			return(1);
    134 	}
    135 
    136 	return(0);
    137 }
    138 
    139 void
    140 com_pcmcia_attach(parent, self, aux)
    141 	struct device *parent, *self;
    142 	void *aux;
    143 {
    144 	struct com_pcmcia_softc *psc = (void *) self;
    145 	struct com_softc *sc = &psc->sc_com;
    146 	struct pcmcia_attach_args *pa = aux;
    147 	struct pcmcia_config_entry *cfe;
    148 	char *model;
    149 
    150 	psc->sc_pf = pa->pf;
    151 
    152 	/* find a cfe we can use */
    153 
    154 	for (cfe = pa->pf->cfe_head.sqh_first; cfe;
    155 	     cfe = cfe->cfe_list.sqe_next) {
    156 		if (cfe->num_memspace != 0)
    157 			continue;
    158 
    159 		if (cfe->num_iospace != 1)
    160 			continue;
    161 
    162 		if (cfe->iomask == 3) {
    163 			if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
    164 			    cfe->iospace[0].length, &psc->sc_pcioh)) {
    165 				continue;
    166 			}
    167 		} else {
    168 			if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    169 			    cfe->iospace[0].length, 0, &psc->sc_pcioh)) {
    170 				continue;
    171 			}
    172 		}
    173 
    174 		break;
    175 	}
    176 
    177 	if (!cfe) {
    178 		printf(": can't allocate i/o space\n");
    179 		return;
    180 	}
    181 
    182 	sc->sc_iot = psc->sc_pcioh.iot;
    183 	sc->sc_ioh = psc->sc_pcioh.ioh;
    184 
    185 	/* Enable the card. */
    186 	pcmcia_function_init(pa->pf, cfe);
    187 	if (pcmcia_function_enable(pa->pf))
    188 		printf(": function enable failed\n");
    189 
    190 	/* turn off the bit which disables the ethernet */
    191 	if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
    192 		int reg;
    193 
    194 		reg = pcmcia_ccr_read(pa->pf, PCMCIA_CCR_OPTION);
    195 		reg &= ~0x08;
    196 		pcmcia_ccr_write(pa->pf, PCMCIA_CCR_OPTION, reg);
    197 	}
    198 
    199 	/* map in the io space */
    200 
    201 	if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
    202 	    PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
    203 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    204 		printf(": can't map i/o space\n");
    205 		return;
    206 	}
    207 
    208 	sc->sc_iobase = -1;
    209 	sc->sc_frequency = COM_FREQ;
    210 
    211 	com_attach_subr(sc);
    212 
    213 	switch (pa->product) {
    214 	case PCMCIA_PRODUCT_3COM_3C562:
    215 		model = "3Com 3C562 Modem";
    216 		break;
    217 	case PCMCIA_PRODUCT_MOTOROLA_POWER144:
    218 		model = "Motorola Power 14.4 Modem";
    219 		break;
    220 	default:
    221 		model = NULL;
    222 		break;
    223 	}
    224 
    225 	if (model != NULL)
    226 		printf(": %s\n", model);
    227 
    228 	/* establish the interrupt. */
    229 	psc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_SERIAL, comintr, sc);
    230 	if (psc->sc_ih == NULL) {
    231 		printf("%s: couldn't establish interrupt\n",
    232 		       sc->sc_dev.dv_xname);
    233 		return;
    234 	}
    235 }
    236