FreeBSD/Linux Kernel Cross Reference
sys/dev/fdc/fdc_pccard.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2004-2005 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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/bio.h>
    #include <sys/bus.h>
    #include <sys/kernel.h>
    #include <sys/lock.h>
    #include <sys/module.h>
    #include <sys/mutex.h>
    #include <sys/rman.h>
    #include <sys/systm.h>
    #include <machine/bus.h>
    
    #include <dev/fdc/fdcvar.h>
    #include <dev/pccard/pccardvar.h>
    #include "pccarddevs.h"
    
    static int fdc_pccard_probe(device_t);
    static int fdc_pccard_attach(device_t);
    
    static const struct pccard_product fdc_pccard_products[] = {
            PCMCIA_CARD(YEDATA, EXTERNAL_FDD),
            { NULL }
    };
            
    static int
    fdc_pccard_alloc_resources(device_t dev, struct fdc_data *fdc)
    {
            struct resource *res;
            int rid, i;
    
            rid = 0;
            res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
            if (res == NULL) {
                    device_printf(dev, "cannot alloc I/O port range\n");
                    return (ENXIO);
            }
            for (i = 0; i < FDC_MAXREG; i++) {
                    fdc->resio[i] = res;
                    fdc->ridio[i] = rid;
                    fdc->ioff[i] = i;
                    fdc->ioh[i] = rman_get_bushandle(res);
            }
            fdc->iot = rman_get_bustag(res);
    
            fdc->rid_irq = 0;
            fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq,
                RF_ACTIVE | RF_SHAREABLE);
            if (fdc->res_irq == NULL) {
                    device_printf(dev, "cannot reserve interrupt line\n");
                    return (ENXIO);
            }
            return (0);
    }
    
    static int
    fdc_pccard_probe(device_t dev)
    {
            if (pccard_product_lookup(dev, fdc_pccard_products,
                sizeof(fdc_pccard_products[0]), NULL) != NULL) {
                    device_set_desc(dev, "PC Card Floppy");
                    return (0);
            }
            return (ENXIO);
    }
    
    static int
    fdc_pccard_attach(device_t dev)
    {
            int error;
           struct  fdc_data *fdc;
           device_t child;
   
           fdc = device_get_softc(dev);
           fdc->flags = FDC_NODMA | FDC_NOFAST;
           fdc->fdct = FDC_NE765;
           error = fdc_pccard_alloc_resources(dev, fdc);
           if (error == 0)
                   error = fdc_attach(dev);
           if (error == 0) {
                   child = fdc_add_child(dev, "fd", -1);
                   device_set_flags(child, 0x24);
                   error = bus_generic_attach(dev);
           }
           if (error == 0) {
                   gone_in_dev(dev, 13, "pccard removed");
                   fdc_start_worker(dev);
           } else
                   fdc_release_resources(fdc);
           return (error);
   }
   
   static device_method_t fdc_pccard_methods[] = {
           /* Device interface */
           DEVMETHOD(device_probe,         fdc_pccard_probe),
           DEVMETHOD(device_attach,        fdc_pccard_attach),
           DEVMETHOD(device_detach,        fdc_detach),
           DEVMETHOD(device_shutdown,      bus_generic_shutdown),
           DEVMETHOD(device_suspend,       bus_generic_suspend),
           DEVMETHOD(device_resume,        bus_generic_resume),
   
           /* Bus interface */
           DEVMETHOD(bus_print_child,      fdc_print_child),
           DEVMETHOD(bus_read_ivar,        fdc_read_ivar),
           DEVMETHOD(bus_write_ivar,       fdc_write_ivar),
           /* Our children never use any other bus interface methods. */
   
           { 0, 0 }
   };
   
   static driver_t fdc_pccard_driver = {
           "fdc",
           fdc_pccard_methods,
           sizeof(struct fdc_data)
   };
   
   DRIVER_MODULE(fdc, pccard, fdc_pccard_driver, fdc_devclass, 0, 0);
   PCCARD_PNP_INFO(fdc_pccard_products);

Cache object: 17c12e20d2445b571d18df86a3e48b01