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-rw-r--r--include/linux/acpi.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 78199151c00b..d047f846c3ed 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -257,6 +257,40 @@ void __init acpi_no_s4_hw_signature(void);
void __init acpi_old_suspend_ordering(void);
void __init acpi_s4_no_nvs(void);
#endif /* CONFIG_PM_SLEEP */
+
+#define OSC_QUERY_TYPE 0
+#define OSC_SUPPORT_TYPE 1
+#define OSC_CONTROL_TYPE 2
+#define OSC_SUPPORT_MASKS 0x1f
+
+/* _OSC DW0 Definition */
+#define OSC_QUERY_ENABLE 1
+#define OSC_REQUEST_ERROR 2
+#define OSC_INVALID_UUID_ERROR 4
+#define OSC_INVALID_REVISION_ERROR 8
+#define OSC_CAPABILITIES_MASK_ERROR 16
+
+/* _OSC DW1 Definition (OS Support Fields) */
+#define OSC_EXT_PCI_CONFIG_SUPPORT 1
+#define OSC_ACTIVE_STATE_PWR_SUPPORT 2
+#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4
+#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8
+#define OSC_MSI_SUPPORT 16
+
+/* _OSC DW1 Definition (OS Control Fields) */
+#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1
+#define OSC_SHPC_NATIVE_HP_CONTROL 2
+#define OSC_PCI_EXPRESS_PME_CONTROL 4
+#define OSC_PCI_EXPRESS_AER_CONTROL 8
+#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16
+
+#define OSC_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \
+ OSC_SHPC_NATIVE_HP_CONTROL | \
+ OSC_PCI_EXPRESS_PME_CONTROL | \
+ OSC_PCI_EXPRESS_AER_CONTROL | \
+ OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL)
+
+extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags);
#else /* CONFIG_ACPI */
static inline int early_acpi_boot_init(void)
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