sys/dev/ata/ata-card.c

   1 /*-
   2  * Copyright (c) 1998 - 2008 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  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  30 #include <sys/param.h>
  31 #include <sys/systm.h>
  32 #include <sys/ata.h>
  33 #include <sys/kernel.h>
  34 #include <sys/module.h>
  35 #include <sys/bus.h>
  36 #include <sys/malloc.h>
  37 #include <sys/sema.h>
  38 #include <sys/taskqueue.h>
  39 #include <vm/uma.h>
  40 #include <machine/stdarg.h>
  41 #include <machine/resource.h>
  42 #include <machine/bus.h>
  43 #include <sys/rman.h>
  44 #include <dev/ata/ata-all.h>
  45 #include <dev/pccard/pccard_cis.h>
  46 #include <dev/pccard/pccardreg.h>
  47 #include <dev/pccard/pccardvar.h>
  48 #include <ata_if.h>
  49
  50 #include "pccarddevs.h"
  51
  52 static const struct pccard_product ata_pccard_products[] = {
  53         PCMCIA_CARD(FREECOM, PCCARDIDE),
  54         PCMCIA_CARD(EXP, EXPMULTIMEDIA),
  55         PCMCIA_CARD(IODATA3, CBIDE2),
  56         PCMCIA_CARD(OEM2, CDROM1),
  57         PCMCIA_CARD(OEM2, IDE),
  58         PCMCIA_CARD(PANASONIC, KXLC005),
  59         PCMCIA_CARD(TEAC, IDECARDII),
  60         {NULL}
  61 };
  62
  63 static int
  64 ata_pccard_probe(device_t dev)
  65 {
  66     const struct pccard_product *pp;
  67     u_int32_t fcn = PCCARD_FUNCTION_UNSPEC;
  68     int error = 0;
  69
  70     if ((error = pccard_get_function(dev, &fcn)))
  71         return error;
  72
  73     /* if it says its a disk we should register it */
  74     if (fcn == PCCARD_FUNCTION_DISK)
  75         return 0;
  76
  77     /* match other devices here, primarily cdrom/dvd rom */
  78     if ((pp = pccard_product_lookup(dev, ata_pccard_products,
  79                                     sizeof(ata_pccard_products[0]), NULL))) {
  80         if (pp->pp_name)
  81             device_set_desc(dev, pp->pp_name);
  82         return 0;
  83     }
  84     return ENXIO;
  85 }
  86
  87 static int
  88 ata_pccard_attach(device_t dev)
  89 {
  90     struct ata_channel *ch = device_get_softc(dev);
  91     struct resource *io, *ctlio;
  92     int i, rid, err;
  93
  94     /* allocate the io range to get start and length */
  95     rid = ATA_IOADDR_RID;
  96     if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
  97                                   ATA_IOSIZE, RF_ACTIVE)))
  98         return (ENXIO);
  99
 100     /* setup the resource vectors */
 101     for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
 102         ch->r_io[i].res = io;
 103         ch->r_io[i].offset = i;
 104     }
 105     ch->r_io[ATA_IDX_ADDR].res = io;
 106
 107     /*
 108      * if we got more than the default ATA_IOSIZE ports, this is a device
 109      * where ctlio is located at offset 14 into "normal" io space.
 110      */
 111     if (rman_get_size(io) > ATA_IOSIZE) {
 112         ch->r_io[ATA_CONTROL].res = io;
 113         ch->r_io[ATA_CONTROL].offset = 14;
 114     }
 115     else {
 116         rid = ATA_CTLADDR_RID;
 117         if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
 118                                          ATA_CTLIOSIZE, RF_ACTIVE))) {
 119             bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
 120             for (i = ATA_DATA; i < ATA_MAX_RES; i++)
 121                 ch->r_io[i].res = NULL;
 122             return (ENXIO);
 123         }
 124         ch->r_io[ATA_CONTROL].res = ctlio;
 125         ch->r_io[ATA_CONTROL].offset = 0;
 126     }
 127     ata_default_registers(dev);
 128
 129     /* initialize softc for this channel */
 130     ch->unit = 0;
 131     ch->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
 132     ata_generic_hw(dev);
 133     err = ata_probe(dev);
 134     if (err)
 135         return (err);
 136     return (ata_attach(dev));
 137 }
 138
 139 static int
 140 ata_pccard_detach(device_t dev)
 141 {
 142     struct ata_channel *ch = device_get_softc(dev);
 143     int i;
 144
 145     ata_detach(dev);
 146     if (ch->r_io[ATA_CONTROL].res != ch->r_io[ATA_DATA].res)
 147         bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
 148                              ch->r_io[ATA_CONTROL].res);
 149     bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
 150                          ch->r_io[ATA_DATA].res);
 151     for (i = ATA_DATA; i < ATA_MAX_RES; i++)
 152         ch->r_io[i].res = NULL;
 153     return 0;
 154 }
 155
 156 static device_method_t ata_pccard_methods[] = {
 157     /* device interface */
 158     DEVMETHOD(device_probe,             ata_pccard_probe),
 159     DEVMETHOD(device_attach,            ata_pccard_attach),
 160     DEVMETHOD(device_detach,            ata_pccard_detach),
 161
 162     { 0, 0 }
 163 };
 164
 165 static driver_t ata_pccard_driver = {
 166     "ata",
 167     ata_pccard_methods,
 168     sizeof(struct ata_channel),
 169 };
 170
 171 DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);
 172 MODULE_DEPEND(ata, ata, 1, 1, 1);