NetBSD/sys/dev/pci/pciide.c

119 lines
4.7 KiB
C

/* $NetBSD: pciide.c,v 1.215 2006/11/16 01:33:09 christos 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 1.215 2006/11/16 01:33:09 christos Exp $");
#include <sys/param.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pciidereg.h>
#include <dev/pci/pciidevar.h>
int pciide_match(struct device *, struct cfdata *, void *);
void pciide_attach(struct device *, struct device *, void *);
CFATTACH_DECL(pciide, sizeof(struct pciide_softc),
pciide_match, pciide_attach, NULL, NULL);
int
pciide_match(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(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = aux;
struct pciide_softc *sc = (struct pciide_softc *)self;
pciide_common_attach(sc, pa, NULL);
}