Home | History | Annotate | Line # | Download | only in pci
pciide_machdep.c revision 1.4.22.1
      1  1.4.22.1  yamt /*	$NetBSD: pciide_machdep.c,v 1.4.22.1 2006/10/22 06:05:16 yamt Exp $	*/
      2       1.1  fvdl 
      3       1.1  fvdl /*
      4       1.1  fvdl  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
      5       1.1  fvdl  *
      6       1.1  fvdl  * Redistribution and use in source and binary forms, with or without
      7       1.1  fvdl  * modification, are permitted provided that the following conditions
      8       1.1  fvdl  * are met:
      9       1.1  fvdl  * 1. Redistributions of source code must retain the above copyright
     10       1.1  fvdl  *    notice, this list of conditions and the following disclaimer.
     11       1.1  fvdl  * 2. Redistributions in binary form must reproduce the above copyright
     12       1.1  fvdl  *    notice, this list of conditions and the following disclaimer in the
     13       1.1  fvdl  *    documentation and/or other materials provided with the distribution.
     14       1.1  fvdl  * 3. All advertising materials mentioning features or use of this software
     15       1.1  fvdl  *    must display the following acknowledgement:
     16       1.1  fvdl  *      This product includes software developed by Christopher G. Demetriou
     17       1.1  fvdl  *	for the NetBSD Project.
     18       1.1  fvdl  * 4. The name of the author may not be used to endorse or promote products
     19       1.1  fvdl  *    derived from this software without specific prior written permission
     20       1.1  fvdl  *
     21       1.1  fvdl  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22       1.1  fvdl  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23       1.1  fvdl  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24       1.1  fvdl  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25       1.1  fvdl  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26       1.1  fvdl  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27       1.1  fvdl  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28       1.1  fvdl  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29       1.1  fvdl  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30       1.1  fvdl  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31       1.1  fvdl  */
     32       1.1  fvdl 
     33       1.1  fvdl /*
     34       1.1  fvdl  * PCI IDE controller driver (i386 machine-dependent portion).
     35       1.1  fvdl  *
     36       1.1  fvdl  * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
     37       1.1  fvdl  * sys/dev/pci/ppb.c, revision 1.16).
     38       1.1  fvdl  *
     39       1.1  fvdl  * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" from the
     40       1.1  fvdl  * PCI SIG.
     41       1.1  fvdl  */
     42       1.1  fvdl 
     43       1.1  fvdl #include <sys/cdefs.h>
     44  1.4.22.1  yamt __KERNEL_RCSID(0, "$NetBSD: pciide_machdep.c,v 1.4.22.1 2006/10/22 06:05:16 yamt Exp $");
     45       1.1  fvdl 
     46       1.1  fvdl #include <sys/param.h>
     47       1.1  fvdl #include <sys/systm.h>
     48       1.1  fvdl #include <sys/device.h>
     49       1.1  fvdl 
     50       1.1  fvdl #include <dev/pci/pcireg.h>
     51       1.1  fvdl #include <dev/pci/pcivar.h>
     52       1.1  fvdl #include <dev/pci/pciidereg.h>
     53       1.1  fvdl #include <dev/pci/pciidevar.h>
     54       1.1  fvdl 
     55       1.1  fvdl #include <dev/isa/isavar.h>
     56       1.1  fvdl 
     57       1.1  fvdl #include "ioapic.h"
     58       1.1  fvdl 
     59       1.1  fvdl #if NIOAPIC > 0
     60       1.1  fvdl #include <machine/i82093var.h>
     61       1.1  fvdl #include <machine/mpbiosvar.h>
     62       1.1  fvdl #endif
     63       1.1  fvdl 
     64       1.1  fvdl void *
     65  1.4.22.1  yamt pciide_machdep_compat_intr_establish(struct device *dev,
     66  1.4.22.1  yamt     struct pci_attach_args *pa __unused, int chan, int (*func)(void *),
     67  1.4.22.1  yamt     void *arg)
     68       1.1  fvdl {
     69       1.1  fvdl 	int irq;
     70       1.1  fvdl 	void *cookie;
     71       1.1  fvdl #if NIOAPIC > 0
     72       1.1  fvdl 	int mpih;
     73       1.1  fvdl #endif
     74       1.1  fvdl 
     75       1.1  fvdl 	irq = PCIIDE_COMPAT_IRQ(chan);
     76       1.1  fvdl 	cookie = isa_intr_establish(NULL, irq, IST_EDGE, IPL_BIO, func, arg);
     77       1.1  fvdl 	if (cookie == NULL)
     78       1.1  fvdl 		return (NULL);
     79       1.1  fvdl #if NIOAPIC > 0
     80       1.1  fvdl 	if (mp_busses != NULL &&
     81       1.3  fvdl 	    (intr_find_mpmapping(mp_isa_bus, irq, &mpih) == 0 ||
     82       1.3  fvdl 	     intr_find_mpmapping(mp_eisa_bus, irq, &mpih) == 0)) {
     83       1.1  fvdl 		mpih |= irq;
     84       1.1  fvdl 		printf("%s: %s channel interrupting at %s\n", dev->dv_xname,
     85       1.1  fvdl 		    PCIIDE_CHANNEL_NAME(chan), intr_string(mpih));
     86       1.1  fvdl 	} else
     87       1.1  fvdl #endif
     88       1.1  fvdl 	printf("%s: %s channel interrupting at irq %d\n", dev->dv_xname,
     89       1.1  fvdl 	    PCIIDE_CHANNEL_NAME(chan), irq);
     90       1.1  fvdl 	return (cookie);
     91       1.1  fvdl }
     92