diff options
| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /include/linux/pci-acpi.h | |
first commit
Diffstat (limited to 'include/linux/pci-acpi.h')
| -rw-r--r-- | include/linux/pci-acpi.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h new file mode 100644 index 000000000..170447977 --- /dev/null +++ b/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> + +#ifdef CONFIG_ACPI +extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, + struct pci_bus *pci_bus); +extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev); +extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, + struct pci_dev *pci_dev); +extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev); +extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); + +static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) +{ + struct pci_bus *pbus = pdev->bus; + + /* Find a PCI root bus */ + while (!pci_is_root_bus(pbus)) + pbus = pbus->parent; + + return DEVICE_ACPI_HANDLE(pbus->bridge); +} + +static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) +{ + struct device *dev; + + if (pci_is_root_bus(pbus)) + dev = pbus->bridge; + else + dev = &pbus->self->dev; + + return DEVICE_ACPI_HANDLE(dev); +} + +void acpi_pci_add_bus(struct pci_bus *bus); +void acpi_pci_remove_bus(struct pci_bus *bus); + +#ifdef CONFIG_ACPI_PCI_SLOT +void acpi_pci_slot_init(void); +void acpi_pci_slot_enumerate(struct pci_bus *bus, acpi_handle handle); +void acpi_pci_slot_remove(struct pci_bus *bus); +#else +static inline void acpi_pci_slot_init(void) { } +static inline void acpi_pci_slot_enumerate(struct pci_bus *bus, + acpi_handle handle) { } +static inline void acpi_pci_slot_remove(struct pci_bus *bus) { } +#endif + +#ifdef CONFIG_HOTPLUG_PCI_ACPI +void acpiphp_init(void); +void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle); +void acpiphp_remove_slots(struct pci_bus *bus); +void acpiphp_check_host_bridge(acpi_handle handle); +#else +static inline void acpiphp_init(void) { } +static inline void acpiphp_enumerate_slots(struct pci_bus *bus, + acpi_handle handle) { } +static inline void acpiphp_remove_slots(struct pci_bus *bus) { } +static inline void acpiphp_check_host_bridge(acpi_handle handle) { } +#endif + +#else /* CONFIG_ACPI */ +static inline void acpi_pci_add_bus(struct pci_bus *bus) { } +static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } +#endif /* CONFIG_ACPI */ + +#ifdef CONFIG_ACPI_APEI +extern bool aer_acpi_firmware_first(void); +#else +static inline bool aer_acpi_firmware_first(void) { return false; } +#endif + +#endif /* _PCI_ACPI_H_ */ |
