FreeBSD/Linux Kernel Cross Reference
sys/dev/ata/ata-card.c

     /*-
      * Copyright (c) 1998 - 2004 Søren Schmidt <sos@FreeBSD.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer,
     *    without modification, immediately at the beginning of the file.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/ata.h>
    #include <sys/kernel.h>
    #include <sys/module.h>
    #include <sys/bus.h>
    #include <sys/malloc.h>
    #include <sys/sema.h>
    #include <sys/taskqueue.h>
    #include <vm/uma.h>
    #include <machine/stdarg.h>
    #include <machine/resource.h>
    #include <machine/bus.h>
    #include <sys/rman.h>
    #include <dev/ata/ata-all.h>
    #include <dev/pccard/pccard_cis.h>
    #include <dev/pccard/pccardreg.h>
    #include <dev/pccard/pccardvar.h>
    
    #include "pccarddevs.h"
    
    static const struct pccard_product ata_pccard_products[] = {
            PCMCIA_CARD(FREECOM, PCCARDIDE, 0),
            PCMCIA_CARD(EXP, EXPMULTIMEDIA, 0),
            PCMCIA_CARD(IODATA3, CBIDE2, 0),
            PCMCIA_CARD(OEM2, CDROM1, 0),
            PCMCIA_CARD(OEM2, IDE, 0),
            PCMCIA_CARD(PANASONIC, KXLC005, 0),
            PCMCIA_CARD(TEAC, IDECARDII, 0),
            {NULL}
    };
    
    MALLOC_DECLARE(M_ATA);
    
    static int
    ata_pccard_match(device_t dev)
    {
        const struct pccard_product *pp;
        u_int32_t fcn = PCCARD_FUNCTION_UNSPEC;
        int error = 0;
    
        error = pccard_get_function(dev, &fcn);
        if (error != 0)
            return (error);
    
        /* if it says its a disk we should register it */
        if (fcn == PCCARD_FUNCTION_DISK)
            return (0);
    
        /* match other devices here, primarily cdrom/dvd rom */
        if ((pp = pccard_product_lookup(dev, ata_pccard_products,
                                        sizeof(ata_pccard_products[0]), NULL))) {
            if (pp->pp_name)
                device_set_desc(dev, pp->pp_name);
            return (0);
        }
        return(ENXIO);
    }
    
    static int
    ata_pccard_locknoop(struct ata_channel *ch, int type)
    {
        return ch->unit;
    }
    
    static void
    ata_pccard_setmode(struct ata_device *atadev, int mode)
    {
       atadev->mode = ata_limit_mode(atadev, mode, ATA_PIO_MAX);
   }
   
   static int
   ata_pccard_probe(device_t dev)
   {
       struct ata_channel *ch = device_get_softc(dev);
       struct resource *io, *altio;
       int i, rid;
   
       /* allocate the io range to get start and length */
       rid = ATA_IOADDR_RID;
       io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
                               ATA_IOSIZE, RF_ACTIVE);
       if (!io)
           return ENXIO;
   
       /* setup the resource vectors */
       for (i = ATA_DATA; i <= ATA_STATUS; i++) {
           ch->r_io[i].res = io;
           ch->r_io[i].offset = i;
       }
   
       /*
        * if we got more than the default ATA_IOSIZE ports, this is a device
        * where altio is located at offset 14 into "normal" io space.
        */
       if (rman_get_size(io) > ATA_IOSIZE) {
           ch->r_io[ATA_ALTSTAT].res = io;
           ch->r_io[ATA_ALTSTAT].offset = 14;
       }
       else {
           rid = ATA_ALTADDR_RID;
           altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
                                      ATA_ALTIOSIZE, RF_ACTIVE);
           if (!altio) {
               bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
               for (i = ATA_DATA; i < ATA_MAX_RES; i++)
                   ch->r_io[i].res = NULL;
               return ENXIO;
           }
           ch->r_io[ATA_ALTSTAT].res = altio;
           ch->r_io[ATA_ALTSTAT].offset = 0;
       }
   
       /* initialize softc for this channel */
       ch->unit = 0;
       ch->flags |= (ATA_USE_16BIT | ATA_NO_SLAVE);
       ch->locking = ata_pccard_locknoop;
       ch->device[MASTER].setmode = ata_pccard_setmode;
       ata_generic_hw(ch);
       return ata_probe(dev);
   }
   
   static int
   ata_pccard_detach(device_t dev)
   {
       struct ata_channel *ch = device_get_softc(dev);
       int i;
   
       free(ch->device[MASTER].param, M_ATA);
       ch->device[MASTER].param = NULL;
       ata_detach(dev);
       if (ch->r_io[ATA_ALTSTAT].res != ch->r_io[ATA_DATA].res)
           bus_release_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID,
                                ch->r_io[ATA_ALTSTAT].res);
       bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
                            ch->r_io[ATA_DATA].res);
       for (i = ATA_DATA; i < ATA_MAX_RES; i++)
           ch->r_io[i].res = NULL;
       return 0;
   }
   
   static device_method_t ata_pccard_methods[] = {
       /* device interface */
       DEVMETHOD(device_probe,     pccard_compat_probe),
       DEVMETHOD(device_attach,    pccard_compat_attach),
       DEVMETHOD(device_detach,    ata_pccard_detach),
   
       /* Card interface */
       DEVMETHOD(card_compat_match,        ata_pccard_match),
       DEVMETHOD(card_compat_probe,        ata_pccard_probe),
       DEVMETHOD(card_compat_attach,       ata_attach),
       { 0, 0 }
   };
   
   static driver_t ata_pccard_driver = {
       "ata",
       ata_pccard_methods,
       sizeof(struct ata_channel),
   };
   
   DRIVER_MODULE(ata, pccard, ata_pccard_driver, ata_devclass, 0, 0);

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