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authorShaohua Li <shaohua.li@intel.com>2009-10-29 11:04:28 +0800
committerLen Brown <len.brown@intel.com>2009-12-16 14:03:30 -0500
commit70023de88c58a81a730ab4d13c51a30e537ec76e (patch)
treef97ac33d7b1a22ebe08bcdb1bd810b1167b16755 /include/linux/acpi.h
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
ACPI: Add a generic API for _OSC -v2
v2->v1: .improve debug info as suggedted by Bjorn,Kenji .API is using uuid string as suggested by Alexey Add an API to execute _OSC. A lot of devices can have this method, so add a generic API. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/linux/acpi.h')
-rw-r--r--include/linux/acpi.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index dfcd920c3e54..3247e09db20d 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -253,6 +253,13 @@ void __init acpi_old_suspend_ordering(void);
void __init acpi_s4_no_nvs(void);
#endif /* CONFIG_PM_SLEEP */
+struct acpi_osc_context {
+ char *uuid_str; /* uuid string */
+ int rev;
+ struct acpi_buffer cap; /* arg2/arg3 */
+ struct acpi_buffer ret; /* free by caller if success */
+};
+
#define OSC_QUERY_TYPE 0
#define OSC_SUPPORT_TYPE 1
#define OSC_CONTROL_TYPE 2
@@ -265,6 +272,8 @@ void __init acpi_s4_no_nvs(void);
#define OSC_INVALID_REVISION_ERROR 8
#define OSC_CAPABILITIES_MASK_ERROR 16
+acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
+
/* _OSC DW1 Definition (OS Support Fields) */
#define OSC_EXT_PCI_CONFIG_SUPPORT 1
#define OSC_ACTIVE_STATE_PWR_SUPPORT 2