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wdc_pcmcia.c revision 1.1
      1 /*	$NetBSD: wdc_pcmcia.c,v 1.1 1998/01/19 19:49:03 matt Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994, 1995 Charles M. Hannum.  All rights reserved.
      5  *
      6  * DMA and multi-sector PIO handling are derived from code contributed by
      7  * Onno van der Linden.
      8  *
      9  * Atapi support added by Manuel Bouyer.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by Charles M. Hannum.
     22  * 4. The name of the author may not be used to endorse or promote products
     23  *    derived from this software without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     26  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     28  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     29  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     31  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     32  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     33  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     34  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     35  */
     36 
     37 #undef ATAPI_DEBUG_WDC
     38 #define WDDEBUG
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/kernel.h>
     43 #include <sys/conf.h>
     44 #include <sys/file.h>
     45 #include <sys/stat.h>
     46 #include <sys/ioctl.h>
     47 #include <sys/buf.h>
     48 #include <sys/uio.h>
     49 #include <sys/malloc.h>
     50 #include <sys/device.h>
     51 #include <sys/disklabel.h>
     52 #include <sys/disk.h>
     53 #include <sys/syslog.h>
     54 #include <sys/proc.h>
     55 
     56 #include <vm/vm.h>
     57 
     58 #include <machine/cpu.h>
     59 #include <machine/intr.h>
     60 #include <machine/bus.h>
     61 
     62 #include <dev/pcmcia/pcmciavar.h>
     63 #include <dev/isa/isavar.h>
     64 #include <dev/ic/wdcvar.h>
     65 
     66 #define WDC_PCMCIA_REG_NPORTS      8
     67 #define WDC_PCMCIA_AUXREG_OFFSET   0x206
     68 #define WDC_PCMCIA_AUXREG_NPORTS   1
     69 
     70 struct wdc_pcmcia_softc {
     71 	struct wdc_softc sc_wdcdev;
     72 	struct wdc_attachment_data sc_ad;
     73 	struct pcmcia_io_handle sc_pioh;
     74 	struct pcmcia_io_handle sc_auxpioh;
     75 	int sc_iowindow;
     76 	int sc_auxiowindow;
     77 	void *sc_ih;
     78 };
     79 
     80 #ifdef __BROKEN_INDIRECT_CONFIG
     81 static int wdc_pcmcia_match	__P((struct device *, void *, void *));
     82 #else
     83 static int wdc_pcmcia_match	__P((struct device *, struct cfdata *, void *));
     84 #endif
     85 static void wdc_pcmcia_attach	__P((struct device *, struct device *, void *));
     86 
     87 struct cfattach wdc_pcmcia_ca = {
     88 	sizeof(struct wdc_pcmcia_softc), wdc_pcmcia_match, wdc_pcmcia_attach
     89 };
     90 
     91 static int
     92 wdc_pcmcia_match(
     93 	struct device *parent,
     94 #ifdef __BROKEN_INDIRECT_CONFIG
     95 	void *match,
     96 #else
     97 	struct cfdata *match,
     98 #endif
     99 	void *aux)
    100 {
    101 	struct pcmcia_attach_args *pa = aux;
    102 
    103 	if (pa->card->cis1_info[0] != NULL &&
    104 	    strcmp(pa->card->cis1_info[0], "Digital Equipment Corporation.") == 0 &&
    105 	    pa->card->cis1_info[1] != NULL &&
    106 	    strcmp(pa->card->cis1_info[1], "Digital Mobile Media CD-ROM") == 0)
    107 		return 1;
    108 
    109 	return 0;
    110 }
    111 
    112 static void
    113 wdc_pcmcia_attach(
    114 	struct device *parent,
    115 	struct device *self,
    116 	void *aux)
    117 {
    118 	struct wdc_pcmcia_softc *sc = (void *)self;
    119 	struct pcmcia_attach_args *pa = aux;
    120 	struct pcmcia_config_entry *cfe = pa->pf->cfe_head.sqh_first;
    121 
    122 	bzero(&sc->sc_ad, sizeof(sc->sc_ad));
    123 
    124 	for (; cfe != NULL; cfe = cfe->cfe_list.sqe_next) {
    125 		if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
    126 		    cfe->iospace[0].length, 0, &sc->sc_pioh))
    127 			continue;
    128 		if (cfe->num_iospace > 1) {
    129 			if (!pcmcia_io_alloc(pa->pf, cfe->iospace[1].start,
    130 			    cfe->iospace[1].length, 0, &sc->sc_auxpioh)) {
    131 				break;
    132 			}
    133 		} else {
    134 			sc->sc_auxpioh.iot = sc->sc_pioh.iot;
    135 			if (!bus_space_subregion(sc->sc_pioh.iot, sc->sc_pioh.ioh,
    136 			    WDC_PCMCIA_REG_NPORTS,
    137 			    cfe->iospace[0].length - WDC_PCMCIA_REG_NPORTS,
    138 			    &sc->sc_auxpioh.ioh))
    139 				break;
    140 		}
    141 		pcmcia_chip_io_free(pa->pf->sc->pct, pa->pf->sc->pch, &sc->sc_pioh);
    142 	}
    143 
    144 	if (cfe == NULL) {
    145 		printf(": can't handle card info\n");
    146 		return;
    147 	}
    148 
    149 	sc->sc_ad.iot = sc->sc_pioh.iot;
    150 	sc->sc_ad.ioh = sc->sc_pioh.ioh;
    151 	sc->sc_ad.auxiot = sc->sc_auxpioh.iot;
    152 	sc->sc_ad.auxioh = sc->sc_auxpioh.ioh;
    153 
    154 	/* Enable the card. */
    155 	pcmcia_function_init(pa->pf, cfe);
    156 	if (pcmcia_function_enable(pa->pf)) {
    157 		printf(": function enable failed\n");
    158 		return;
    159 	}
    160 
    161 	if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
    162 			  sc->sc_pioh.size, &sc->sc_pioh,
    163 			  &sc->sc_iowindow)) {
    164 		printf(": can't map first I/O space\n");
    165 		return;
    166 	}
    167 	if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_AUTO, 0,
    168 			  sc->sc_auxpioh.size, &sc->sc_auxpioh,
    169 			  &sc->sc_auxiowindow)) {
    170 		printf(": can't map second I/O space\n");
    171 		return;
    172 	}
    173 
    174 	printf("\n");
    175 	sc->sc_ih = pcmcia_intr_establish(pa->pf, IPL_BIO, wdcintr, sc);
    176 	if (sc->sc_ih == NULL) {
    177 		printf("%s: couldn't establish interrupt\n", self->dv_xname);
    178 		return;
    179 	}
    180 	wdcattach(&sc->sc_wdcdev, &sc->sc_ad);
    181 }
    182