include/linux/pci-acpi.h

   1 /*
   2  * File         pci-acpi.h
   3  *
   4  * Copyright (C) 2004 Intel
   5  * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
   6  */
   7
   8 #ifndef _PCI_ACPI_H_
   9 #define _PCI_ACPI_H_
  10
  11 #include <linux/acpi.h>
  12
  13 #ifdef CONFIG_ACPI
  14 extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev);
  15 static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
  16 {
  17         return acpi_remove_pm_notifier(dev);
  18 }
  19 extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
  20                                              struct pci_dev *pci_dev);
  21 static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
  22 {
  23         return acpi_remove_pm_notifier(dev);
  24 }
  25 extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
  26
  27 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
  28 {
  29         struct pci_bus *pbus = pdev->bus;
  30
  31         /* Find a PCI root bus */
  32         while (!pci_is_root_bus(pbus))
  33                 pbus = pbus->parent;
  34
  35         return ACPI_HANDLE(pbus->bridge);
  36 }
  37
  38 static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
  39 {
  40         struct device *dev;
  41
  42         if (pci_is_root_bus(pbus))
  43                 dev = pbus->bridge;
  44         else
  45                 dev = &pbus->self->dev;
  46
  47         return ACPI_HANDLE(dev);
  48 }
  49
  50 void acpi_pci_add_bus(struct pci_bus *bus);
  51 void acpi_pci_remove_bus(struct pci_bus *bus);
  52
  53 #ifdef  CONFIG_ACPI_PCI_SLOT
  54 void acpi_pci_slot_init(void);
  55 void acpi_pci_slot_enumerate(struct pci_bus *bus);
  56 void acpi_pci_slot_remove(struct pci_bus *bus);
  57 #else
  58 static inline void acpi_pci_slot_init(void) { }
  59 static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
  60 static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
  61 #endif
  62
  63 #ifdef  CONFIG_HOTPLUG_PCI_ACPI
  64 void acpiphp_init(void);
  65 void acpiphp_enumerate_slots(struct pci_bus *bus);
  66 void acpiphp_remove_slots(struct pci_bus *bus);
  67 void acpiphp_check_host_bridge(struct acpi_device *adev);
  68 #else
  69 static inline void acpiphp_init(void) { }
  70 static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
  71 static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
  72 static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
  73 #endif
  74
  75 #else   /* CONFIG_ACPI */
  76 static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
  77 static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
  78 #endif  /* CONFIG_ACPI */
  79
  80 #ifdef CONFIG_ACPI_APEI
  81 extern bool aer_acpi_firmware_first(void);
  82 #else
  83 static inline bool aer_acpi_firmware_first(void) { return false; }
  84 #endif
  85
  86 #endif  /* _PCI_ACPI_H_ */