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authorMark Kettenis <kettenis@cvs.openbsd.org>2012-09-07 19:23:54 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2012-09-07 19:23:54 +0000
commit9670d78d8166a9c529cde3b99982a2c0d841768d (patch)
treeeb7e7d6b9962f518f9e671e160d258ffc4397b9a /sys/arch/i386
parent3e3ba5e5a288a24670663a576b086752354d390b (diff)
Implement pci_min_powerstate().
Diffstat (limited to 'sys/arch/i386')
-rw-r--r--sys/arch/i386/pci/pci_machdep.c16
-rw-r--r--sys/arch/i386/pci/pci_machdep.h4
2 files changed, 18 insertions, 2 deletions
diff --git a/sys/arch/i386/pci/pci_machdep.c b/sys/arch/i386/pci/pci_machdep.c
index 0fecc1935b9..3d513608dd9 100644
--- a/sys/arch/i386/pci/pci_machdep.c
+++ b/sys/arch/i386/pci/pci_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pci_machdep.c,v 1.68 2011/12/04 20:08:09 kettenis Exp $ */
+/* $OpenBSD: pci_machdep.c,v 1.69 2012/09/07 19:23:53 kettenis Exp $ */
/* $NetBSD: pci_machdep.c,v 1.28 1997/06/06 23:29:17 thorpej Exp $ */
/*-
@@ -935,3 +935,17 @@ pci_dev_postattach(struct device *dev, struct pci_attach_args *pa)
acpi_pci_match(dev, pa);
#endif
}
+
+#if NACPI > 0
+pcireg_t acpi_pci_min_powerstate(pci_chipset_tag_t, pcitag_t);
+#endif
+
+pcireg_t
+pci_min_powerstate(pci_chipset_tag_t pc, pcitag_t tag)
+{
+#if NACPI > 0
+ return acpi_pci_min_powerstate(pc, tag);
+#else
+ return PCI_PMCSR_STATE_D3;
+#endif
+}
diff --git a/sys/arch/i386/pci/pci_machdep.h b/sys/arch/i386/pci/pci_machdep.h
index a358597e65e..0ff7a031b3a 100644
--- a/sys/arch/i386/pci/pci_machdep.h
+++ b/sys/arch/i386/pci/pci_machdep.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: pci_machdep.h,v 1.23 2011/10/10 19:42:36 miod Exp $ */
+/* $OpenBSD: pci_machdep.h,v 1.24 2012/09/07 19:23:53 kettenis Exp $ */
/* $NetBSD: pci_machdep.h,v 1.7 1997/06/06 23:29:18 thorpej Exp $ */
/*
@@ -109,6 +109,8 @@ void pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
void pci_dev_postattach(struct device *, struct pci_attach_args *);
+pcireg_t pci_min_powerstate(pci_chipset_tag_t, pcitag_t);
+
/*
* Section 6.2.4, `Miscellaneous Functions' of the PIC Specification,
* says that 255 means `unknown' or `no connection' to the interrupt