6a6db3cbd9
better shot at finding a mapping. For PCI interrupts, if a bus has no mappings, try its parent, with the swizzled pin, and the bridge's device number.
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/* $NetBSD: pciide_machdep.c,v 1.2 2003/10/16 22:56:29 fvdl Exp $ */
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/*
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* Copyright (c) 1998 Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* PCI IDE controller driver (i386 machine-dependent portion).
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*
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* Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
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* sys/dev/pci/ppb.c, revision 1.16).
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*
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* See "PCI IDE Controller Specification, Revision 1.0 3/4/94" from the
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* PCI SIG.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pciide_machdep.c,v 1.2 2003/10/16 22:56:29 fvdl Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pciidereg.h>
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#include <dev/pci/pciidevar.h>
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#include <dev/isa/isavar.h>
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#include "ioapic.h"
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#if NIOAPIC > 0
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#include <machine/i82093var.h>
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#include <machine/mpbiosvar.h>
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#endif
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void *
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pciide_machdep_compat_intr_establish(dev, pa, chan, func, arg)
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struct device *dev;
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struct pci_attach_args *pa;
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int chan;
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int (*func) __P((void *));
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void *arg;
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{
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int irq;
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void *cookie;
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#if NIOAPIC > 0
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int mpih;
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#endif
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irq = PCIIDE_COMPAT_IRQ(chan);
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cookie = isa_intr_establish(NULL, irq, IST_EDGE, IPL_BIO, func, arg);
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if (cookie == NULL)
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return (NULL);
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#if NIOAPIC > 0
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if (mp_busses != NULL &&
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(intr_find_mpmapping(mp_isa_bus, irq, &mpih, NULL) == 0 ||
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intr_find_mpmapping(mp_eisa_bus, irq, &mpih, NULL) == 0)) {
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mpih |= irq;
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printf("%s: %s channel interrupting at %s\n", dev->dv_xname,
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PCIIDE_CHANNEL_NAME(chan), intr_string(mpih));
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} else
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#endif
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printf("%s: %s channel interrupting at irq %d\n", dev->dv_xname,
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PCIIDE_CHANNEL_NAME(chan), irq);
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return (cookie);
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}
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