sys/arch/netwinder/pci/pciide_machdep.c

   1 /*      $NetBSD: pciide_machdep.c,v 1.5 2009/03/14 14:46:03 dsl Exp $   */
   2
   3 /*
   4  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Christopher G. Demetriou
  17  *      for the NetBSD Project.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * PCI IDE controller driver (arm32 machine-dependent portion).
  35  *
  36  * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
  37  * sys/dev/pci/ppb.c, revision 1.16).
  38  *
  39  * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" from the
  40  * PCI SIG.
  41  */
  42
  43 #include <sys/cdefs.h>
  44 __KERNEL_RCSID(0, "$NetBSD: pciide_machdep.c,v 1.5 2009/03/14 14:46:03 dsl Exp $");
  45
  46 #include <sys/param.h>
  47 #include <sys/systm.h>
  48 #include <sys/device.h>
  49
  50 #include <dev/pci/pcireg.h>
  51 #include <dev/pci/pcivar.h>
  52 #include <dev/pci/pciidereg.h>
  53 #include <dev/pci/pciidevar.h>
  54
  55 #include <dev/isa/isavar.h>
  56 #include <machine/intr.h>
  57 #include "isa.h"
  58
  59 void *
  60 pciide_machdep_compat_intr_establish(struct device *dev, struct pci_attach_args *pa, int chan, int (*func)(void *), void *arg)
  61 {
  62 #if NISA > 0
  63         int irq;
  64         void *cookie;
  65
  66         irq = PCIIDE_COMPAT_IRQ(chan);
  67         cookie = isa_intr_establish(NULL, irq, IST_EDGE, IPL_BIO, func, arg);
  68         if (cookie == NULL)
  69                 return (NULL);
  70         printf("%s: %s channel interrupting at irq %d\n", dev->dv_xname,
  71             PCIIDE_CHANNEL_NAME(chan), irq);
  72         return (cookie);
  73 #else
  74         panic("pciide_machdep_compat_intr_establish() called");
  75 #endif
  76 }