FreeBSD/Linux Kernel Cross Reference
sys/dev/sio/sio_pccard.c

     /*-
      * Copyright (c) 2001 M. Warner Losh.  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.
      * 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.
     *
     * 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: releng/8.4/sys/dev/sio/sio_pccard.c 162294 2006-09-14 03:47:59Z jmg $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/conf.h>
    #include <sys/kernel.h>
    #include <sys/lock.h>
    #include <sys/malloc.h>
    #include <sys/mutex.h>
    #include <sys/module.h>
    #include <sys/tty.h>
    #include <machine/bus.h>
    #include <machine/resource.h>
    #include <sys/timepps.h>
    
    #include <dev/pccard/pccard_cis.h>
    #include <dev/pccard/pccardvar.h>
    
    #include <dev/sio/siovar.h>
    
    static  int     sio_pccard_attach(device_t dev);
    static  int     sio_pccard_probe(device_t dev);
    
    static device_method_t sio_pccard_methods[] = {
            /* Device interface */
            DEVMETHOD(device_probe,         sio_pccard_probe),
            DEVMETHOD(device_attach,        sio_pccard_attach),
            DEVMETHOD(device_detach,        siodetach),
    
            { 0, 0 }
    };
    
    static driver_t sio_pccard_driver = {
            sio_driver_name,
            sio_pccard_methods,
            0,
    };
    
    static int
    sio_pccard_probe(device_t dev)
    {
            int             error = 0;
            u_int32_t       fcn = PCCARD_FUNCTION_UNSPEC;
    
            error = pccard_get_function(dev, &fcn);
            if (error != 0)
                    return (error);
    
            /*
             * If a serial card, we are likely the right driver.  However,
             * some serial cards are better servered by other drivers, so
             * allow other drivers to claim it, if they want.
             */
            if (fcn == PCCARD_FUNCTION_SERIAL)
                    return (-100);
            return (ENXIO);
    }
    
    static int
    sio_pccard_attach(device_t dev)
    {
            int err;
    
    #ifdef PC98
            SET_FLAG(dev, SET_IFTYPE(COM_IF_MODEM_CARD));
    #endif
            /* Do not probe IRQ - pccard doesn't turn on the interrupt line */
            /* until bus_setup_intr */
            if ((err = sioprobe(dev, 0, 0UL, 1)) > 0)
                    return (err);
            return (sioattach(dev, 0, 0UL));
    }
    
   DRIVER_MODULE(sio, pccard, sio_pccard_driver, sio_devclass, 0, 0);

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