diff options
Diffstat (limited to 'include/linux/pci-acpi.h')
| -rw-r--r-- | include/linux/pci-acpi.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h new file mode 100644 index 000000000000..857126a36ecc --- /dev/null +++ b/include/linux/pci-acpi.h @@ -0,0 +1,61 @@ +/* + * 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(u32 flags); +extern acpi_status pci_osc_support_set(u32 flags); +#else +#if !defined(acpi_status) +typedef u32 acpi_status; +#define AE_ERROR (acpi_status) (0x0001) +#endif +static inline acpi_status pci_osc_control_set(u32 flags) {return AE_ERROR;} +static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} +#endif + +#endif /* _PCI_ACPI_H_ */ |