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com_pcmcia.c revision 1.1.2.9
      1 /*	$NetBSD: com_pcmcia.c,v 1.1.2.9 1997/09/13 17:25:15 mycroft 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/isa/comvar.h>
     62 #include <dev/isa/isareg.h>
     63 
     64 #define PCMCIA_MANUFACTURER_3COM		0x101
     65 #define PCMCIA_PRODUCT_3COM_3C562		0x562
     66 
     67 #define PCMCIA_MANUFACTURER_MOTOROLA		0x109
     68 #define PCMCIA_PRODUCT_MOTOROLA_POWER144	0x105
     69 
     70 #define	PCMCIA_MANUFACTURER_IBM			0xa4
     71 #define	PCMCIA_PRODUCT_IBM_HOME_AND_AWAY	0x2e
     72 
     73 #ifdef __BROKEN_INDIRECT_CONFIG
     74 int com_pcmcia_match __P((struct device *, void *, void *));
     75 #else
     76 int com_pcmcia_match __P((struct device *, struct cfdata *, void *));
     77 #endif
     78 void com_pcmcia_attach __P((struct device *, struct device *, void *));
     79 void com_pcmcia_cleanup __P((void *));
     80 
     81 struct com_pcmcia_softc {
     82 	struct com_softc sc_com;		/* real "com" softc */
     83 
     84 	/* PCMCIA-specific goo */
     85 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
     86 	int sc_io_window;			/* our i/o window */
     87 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
     88 };
     89 
     90 struct cfattach com_pcmcia_ca = {
     91 	sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach
     92 };
     93 
     94 int
     95 com_pcmcia_match(parent, match, aux)
     96 	struct device *parent;
     97 #ifdef __BROKEN_INDIRECT_CONFIG
     98 	void *match;
     99 #else
    100 	struct cfdata *match;
    101 #endif
    102 	void *aux;
    103 {
    104 	struct pcmcia_attach_args *pa = (struct pcmcia_attach_args *) aux;
    105 	struct pcmcia_config_entry *cfe;
    106 
    107 	if ((pa->manufacturer == PCMCIA_MANUFACTURER_3COM) &&
    108 	    (pa->product == PCMCIA_PRODUCT_3COM_3C562) &&
    109 	    (pa->pf->number == 1))
    110 		return(1);
    111 
    112 	if ((pa->manufacturer == PCMCIA_MANUFACTURER_MOTOROLA) &&
    113 	    (pa->product == PCMCIA_PRODUCT_MOTOROLA_POWER144) &&
    114 	    (pa->pf->number == 0))
    115 		return(1);
    116 
    117 	if ((pa->manufacturer == PCMCIA_MANUFACTURER_IBM) &&
    118 	    (pa->product == PCMCIA_PRODUCT_IBM_HOME_AND_AWAY) &&
    119 	    (pa->pf->number == 1))
    120 		return(1);
    121 
    122 	/* find a cfe we can use (if it matches a standard COM port) */
    123 
    124 	for (cfe = pa->pf->cfe_head.sqh_first; cfe;
    125 	     cfe = cfe->cfe_list.sqe_next) {
    126 		if (cfe->iospace[0].start == IO_COM1 ||
    127 		    cfe->iospace[0].start == IO_COM2 ||
    128 		    cfe->iospace[0].start == IO_COM3 ||
    129 		    cfe->iospace[0].start == IO_COM4)
    130 			return(1);
    131 	}
    132 
    133 	return(0);
    134 }
    135 
    136 void
    137 com_pcmcia_attach(parent, self, aux)
    138 	struct device *parent, *self;
    139 	void *aux;
    140 {
    141 	struct com_pcmcia_softc *psc = (void *) self;
    142 	struct com_softc *sc = &psc->sc_com;
    143 	struct pcmcia_attach_args *pa = aux;
    144 	struct pcmcia_config_entry *cfe;
    145 	char *model;
    146 
    147 	psc->sc_pf = pa->pf;
    148 
    149 	/* find a cfe we can use */
    150 
    151 	for (cfe = pa->pf->cfe_head.sqh_first; cfe;
    152 	     cfe = cfe->cfe_list.sqe_next) {
    153 		if (cfe->num_memspace != 0)
    154 			continue;
    155 
    156 		if (cfe->num_iospace != 1)
    157 			continue;
    158 
    159 		if (cfe->iomask == 3) {
    160 			if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
    161 			    &psc->sc_pcioh)) {
    162 				continue;
    163 			}
    164 		} else {
    165 			if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    166 			    cfe->iospace[0].length, &psc->sc_pcioh)) {
    167 				continue;
    168 			}
    169 		}
    170 
    171 		break;
    172 	}
    173 
    174 	if (!cfe) {
    175 		printf(": can't allocate i/o space\n");
    176 		return;
    177 	}
    178 
    179 	sc->sc_iot = psc->sc_pcioh.iot;
    180 	sc->sc_ioh = psc->sc_pcioh.ioh;
    181 
    182 	/* Enable the card. */
    183 	pcmcia_function_init(pa->pf, cfe);
    184 	if (pcmcia_function_enable(pa->pf))
    185 		printf(": function enable failed\n");
    186 
    187 	/* turn off the bit which disables the ethernet */
    188 	if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
    189 		int reg;
    190 
    191 		reg = pcmcia_ccr_read(pa->pf, PCMCIA_CCR_OPTION);
    192 		reg &= ~0x08;
    193 		pcmcia_ccr_write(pa->pf, PCMCIA_CCR_OPTION, reg);
    194 	}
    195 
    196 	/* map in the io space */
    197 
    198 	if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
    199 	    PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
    200 	    &psc->sc_pcioh, &psc->sc_io_window)) {
    201 		printf(": can't map i/o space\n");
    202 		return;
    203 	}
    204 
    205 	sc->sc_iobase = -1;
    206 
    207 	com_attach_subr(sc);
    208 
    209 	switch (pa->product) {
    210 	case PCMCIA_PRODUCT_3COM_3C562:
    211 		model = "3Com 3C562 Modem";
    212 		break;
    213 	case PCMCIA_PRODUCT_MOTOROLA_POWER144:
    214 		model = "Motorola Power 14.4 Modem";
    215 		break;
    216 	default:
    217 		model = NULL;
    218 		break;
    219 	}
    220 
    221 	if (model != NULL)
    222 		printf(": %s\n", model);
    223 
    224 	/* establish the interrupt. */
    225 	sc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_SERIAL, comintr, sc);
    226 	if (sc->sc_ih == NULL) {
    227 		printf("%s: couldn't establish interrupt\n",
    228 		       sc->sc_dev.dv_xname);
    229 		return;
    230 	}
    231 }
    232