[src/trunk]: src/sys/arch/atari Implement pci_decompose_tag().

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b16807c144af
branches:  trunk
changeset: 527006:b16807c144af
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Wed May 15 17:30:04 2002 +0000

description:
Implement pci_decompose_tag().

diffstat:

 sys/arch/atari/include/pci_machdep.h |   4 +++-
 sys/arch/atari/pci/pci_machdep.c     |  17 ++++++++++++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diffs (49 lines):

diff -r 90d858977ab5 -r b16807c144af sys/arch/atari/include/pci_machdep.h
--- a/sys/arch/atari/include/pci_machdep.h      Wed May 15 17:15:17 2002 +0000
+++ b/sys/arch/atari/include/pci_machdep.h      Wed May 15 17:30:04 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pci_machdep.h,v 1.8 2001/06/08 04:48:57 simonb Exp $   */
+/*     $NetBSD: pci_machdep.h,v 1.9 2002/05/15 17:30:04 thorpej Exp $  */
 
 /*
  * Copyright (c) 1996 Leo Weppelman.  All rights reserved.
@@ -69,6 +69,8 @@
                        struct pcibus_attach_args *);
 int            pci_bus_maxdevs(pci_chipset_tag_t, int);
 pcitag_t       pci_make_tag(pci_chipset_tag_t, int, int, int);
+void           pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *,
+                   int *);
 pcireg_t       pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
 void           pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
 int            pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
diff -r 90d858977ab5 -r b16807c144af sys/arch/atari/pci/pci_machdep.c
--- a/sys/arch/atari/pci/pci_machdep.c  Wed May 15 17:15:17 2002 +0000
+++ b/sys/arch/atari/pci/pci_machdep.c  Wed May 15 17:30:04 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pci_machdep.c,v 1.33 2002/01/09 21:19:14 leo Exp $     */
+/*     $NetBSD: pci_machdep.c,v 1.34 2002/05/15 17:30:04 thorpej Exp $ */
 
 /*
  * Copyright (c) 1996 Leo Weppelman.  All rights reserved.
@@ -613,6 +613,21 @@
        return ((bus << 16) | (device << 11) | (function << 8));
 }
 
+void
+pci_decompose_tag(pc, tag, bp, dp, fp)
+       pci_chipset_tag_t pc;
+       pcitag_t tag;
+       int *bp, *dp, *fp;
+{
+
+       if (bp != NULL)
+               *bp = (tag >> 16) & 0xff;
+       if (dp != NULL)
+               *dp = (tag >> 11) & 0x1f;
+       if (fp != NULL)
+               *fp = (tag >> 8) & 0x7;
+}
+
 int
 pci_intr_map(pa, ihp)
        struct pci_attach_args *pa;