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/*

 * 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_

#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);

extern acpi_status pci_osc_support_set(u32 flags);

#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_status pci_osc_support_set(u32 flags) {return AE_ERROR;}

#endif

#endif  /* _PCI_ACPI_H_ */