FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/pciide.c

     /*      $NetBSD: pciide.c,v 1.209 2003/10/08 11:51:59 bouyer Exp $      */
     
     
     /*
      * Copyright (c) 1999, 2000, 2001 Manuel Bouyer.
      *
      * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Manuel Bouyer.
     * 4. 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.
     *
     */
    
    
    /*
     * Copyright (c) 1996, 1998 Christopher G. Demetriou.  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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Christopher G. Demetriou
     *      for the NetBSD Project.
     * 4. 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.
     */
    
    /*
     * PCI IDE controller driver.
     *
     * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
     * sys/dev/pci/ppb.c, revision 1.16).
     *
     * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and
     * "Programming Interface for Bus Master IDE Controller, Revision 1.0
     * 5/16/94" from the PCI SIG.
     *
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: pciide.c,v 1.209 2003/10/08 11:51:59 bouyer Exp $");
    
    #include <sys/param.h>
    
    #include <dev/pci/pcivar.h>
    #include <dev/pci/pciidereg.h>
    #include <dev/pci/pciidevar.h>
    
    int     pciide_match __P((struct device *, struct cfdata *, void *));
    void    pciide_attach __P((struct device *, struct device *, void *));
    
    CFATTACH_DECL(pciide, sizeof(struct pciide_softc),
        pciide_match, pciide_attach, NULL, NULL);
    
    int
    pciide_match(parent, match, aux)
            struct device *parent;
            struct cfdata *match;
            void *aux;
    {
            struct pci_attach_args *pa = aux;
    
           /*
            * Check the ID register to see that it's a PCI IDE controller.
            * If it is, we assume that we can deal with it; it _should_
            * work in a standardized way...
            */
           if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE &&
               PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
                   return (1);
           }
   
           return (0);
   }
   
   void
   pciide_attach(parent, self, aux)
           struct device *parent, *self;
           void *aux;
   {
           struct pci_attach_args *pa = aux;
           struct pciide_softc *sc = (struct pciide_softc *)self;
           pciide_common_attach(sc, pa, NULL);
   
   }

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