sys/dev/disk/ata/ata-card.c

   1 /*-
   2  * Copyright (c) 1998,1999,2000,2001,2002 Søren Schmidt <sos@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer,
  10  *    without modification, immediately at the beginning of the file.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * $FreeBSD: src/sys/dev/ata/ata-card.c,v 1.4.2.1 2002/03/18 08:37:33 sos Exp $
  29  * $DragonFly: src/sys/dev/disk/ata/ata-card.c,v 1.7 2007/07/05 12:08:53 sephe Exp $
  30  */
  31
  32 #include <sys/param.h>
  33 #include <sys/systm.h>
  34 #include <sys/kernel.h>
  35 #include <sys/module.h>
  36 #include <sys/bus.h>
  37 #include <sys/malloc.h>
  38 #include <sys/rman.h>
  39
  40 #include <machine/stdarg.h>
  41 #include "ata-all.h"
  42
  43 #include <bus/pccard/pccard_cis.h>
  44 #include <bus/pccard/pccardreg.h>
  45 #include <bus/pccard/pccardvar.h>
  46 #include <bus/pccard/pccarddevs.h>
  47
  48 static const struct pccard_product ata_pccard_products[] = {
  49         PCMCIA_CARD(FREECOM, PCCARDIDE, 0),
  50         PCMCIA_CARD(EXP, EXPMULTIMEDIA, 0),
  51         PCMCIA_CARD(IODATA3, CBIDE2, 0),
  52         PCMCIA_CARD(OEM2, CDROM1, 0),
  53         PCMCIA_CARD(OEM2, IDE, 0),
  54         PCMCIA_CARD(PANASONIC, KXLC005, 0),
  55         PCMCIA_CARD(TEAC, IDECARDII, 0),
  56         {NULL}
  57 };
  58
  59 static int
  60 ata_pccard_match(device_t dev)
  61 {
  62     const struct pccard_product *pp;
  63     u_int32_t fcn = PCCARD_FUNCTION_UNSPEC;
  64
  65     fcn = pccard_get_function_number(dev);
  66
  67     /* if it says its a disk we should register it */
  68     if (fcn == PCCARD_FUNCTION_DISK)
  69         return (0);
  70
  71     /* match other devices here, primarily cdrom/dvd rom */
  72     if ((pp = pccard_product_lookup(dev, ata_pccard_products,
  73                                     sizeof(ata_pccard_products[0]), NULL))) {
  74         if (pp->pp_name)
  75             device_set_desc(dev, pp->pp_name);
  76         return (0);
  77     }
  78     return (ENXIO);
  79 }
  80
  81 static int
  82 ata_pccard_probe(device_t dev)
  83 {
  84     struct ata_channel *ch = device_get_softc(dev);
  85     struct resource *io;
  86     int rid, len, start, end;
  87     u_long tmp;
  88
  89     /* allocate the io range to get start and length */
  90     rid = ATA_IOADDR_RID;
  91     len = bus_get_resource_count(dev, SYS_RES_IOPORT, rid);
  92     io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
  93                             ATA_IOSIZE, RF_ACTIVE);
  94     if (!io)
  95         return ENOMEM;
  96
  97     /* reallocate the io address to only cover the io ports */
  98     start = rman_get_start(io);
  99     end = start + ATA_IOSIZE - 1;
 100     bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
 101     io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
 102                             start, end, ATA_IOSIZE, RF_ACTIVE);
 103     bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
 104
 105     /*
 106      * if we got more than the default ATA_IOSIZE ports, this is likely
 107      * a pccard system where the altio ports are located at offset 14
 108      * otherwise its the normal altio offset
 109      */
 110     if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) {
 111         if (len > ATA_IOSIZE) {
 112             bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
 113                              start + ATA_PCCARD_ALTOFFSET, ATA_ALTIOSIZE);
 114         }
 115         else {
 116             bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
 117                              start + ATA_ALTOFFSET, ATA_ALTIOSIZE);
 118         }
 119     }
 120     else
 121         return ENOMEM;
 122
 123     ch->unit = 0;
 124     ch->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
 125     return ata_probe(dev);
 126 }
 127
 128 static device_method_t ata_pccard_methods[] = {
 129     /* device interface */
 130     DEVMETHOD(device_probe,     pccard_compat_probe),
 131     DEVMETHOD(device_attach,    pccard_compat_attach),
 132     DEVMETHOD(device_detach,    ata_detach),
 133
 134     /* Card interface */
 135     DEVMETHOD(card_compat_match,        ata_pccard_match),
 136     DEVMETHOD(card_compat_probe,        ata_pccard_probe),
 137     DEVMETHOD(card_compat_attach,       ata_attach),
 138
 139     { 0, 0 }
 140 };
 141
 142 static driver_t ata_pccard_driver = {
 143     "ata",
 144     ata_pccard_methods,
 145     sizeof(struct ata_channel),
 146 };
 147
 148 DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);