check in the original version of dde linux26.

1 files changed, 83 insertions, 0 deletions

diff --git a/libdde_linux26/contrib/include/linux/pci-acpi.h b/libdde_linux26/contrib/include/linux/pci-acpi.h
new file mode 100644
index 00000000..042c166f
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/pci-acpi.h
@@ -0,0 +1,83 @@
+/*
+ * File		pci-acpi.h
+ *
+ * Copyright (C) 2004 Intel
+ * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
+ */
+
+#ifndef _PCI_ACPI_H_
+#define _PCI_ACPI_H_
+
+#include <linux/acpi.h>
+
+#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)
+
+#ifdef CONFIG_ACPI
+extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags);
+int pci_acpi_osc_support(acpi_handle handle, u32 flags);
+static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
+{
+	/* Find root host bridge */
+	while (pdev->bus->self)
+		pdev = pdev->bus->self;
+
+	return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus),
+			pdev->bus->number);
+}
+
+static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
+{
+	int seg = pci_domain_nr(pbus), busnr = pbus->number;
+	struct pci_dev *bridge = pbus->self;
+	if (bridge)
+		return DEVICE_ACPI_HANDLE(&(bridge->dev));
+	return acpi_get_pci_rootbridge_handle(seg, busnr);
+}
+#else
+#if !defined(AE_ERROR)
+typedef u32 		acpi_status;
+#define AE_ERROR      	(acpi_status) (0x0001)
+#endif    
+static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
+{return AE_ERROR;}
+static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
+{ return NULL; }
+#endif
+
+#endif	/* _PCI_ACPI_H_ */