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pci-acpi.h

pci-acpi.h 2.3 KB
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  1. /*
    2. 

  2.  * File		pci-acpi.h
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2004 Intel
    5. 

  5.  * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
    6. 

  6.  */
    7. 

  7. 

  8. #ifndef _PCI_ACPI_H_
    9. 

  9. #define _PCI_ACPI_H_
    10. 

  10. 

  11. #include <linux/acpi.h>
    12. 

  12. 

  13. #ifdef CONFIG_ACPI
    14. 

  14. extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
    15. 

  15. 						 struct pci_bus *pci_bus);
    16. 

  16. extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
    17. 

  17. extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
    18. 

  18. 					     struct pci_dev *pci_dev);
    19. 

  19. extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev);
    20. 

  20. extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
    21. 

  21. 

  22. static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
    23. 

  23. {
    24. 

  24. 	struct pci_bus *pbus = pdev->bus;
    25. 

  25. 

  26. 	/* Find a PCI root bus */
    27. 

  27. 	while (!pci_is_root_bus(pbus))
    28. 

  28. 		pbus = pbus->parent;
    29. 

  29. 

  30. 	return DEVICE_ACPI_HANDLE(pbus->bridge);
    31. 

  31. }
    32. 

  32. 

  33. static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
    34. 

  34. {
    35. 

  35. 	struct device *dev;
    36. 

  36. 

  37. 	if (pci_is_root_bus(pbus))
    38. 

  38. 		dev = pbus->bridge;
    39. 

  39. 	else
    40. 

  40. 		dev = &pbus->self->dev;
    41. 

  41. 

  42. 	return DEVICE_ACPI_HANDLE(dev);
    43. 

  43. }
    44. 

  44. 

  45. void acpi_pci_add_bus(struct pci_bus *bus);
    46. 

  46. void acpi_pci_remove_bus(struct pci_bus *bus);
    47. 

  47. 

  48. #ifdef	CONFIG_ACPI_PCI_SLOT
    49. 

  49. void acpi_pci_slot_init(void);
    50. 

  50. void acpi_pci_slot_enumerate(struct pci_bus *bus);
    51. 

  51. void acpi_pci_slot_remove(struct pci_bus *bus);
    52. 

  52. #else
    53. 

  53. static inline void acpi_pci_slot_init(void) { }
    54. 

  54. static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
    55. 

  55. static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
    56. 

  56. #endif
    57. 

  57. 

  58. #ifdef	CONFIG_HOTPLUG_PCI_ACPI
    59. 

  59. void acpiphp_init(void);
    60. 

  60. void acpiphp_enumerate_slots(struct pci_bus *bus);
    61. 

  61. void acpiphp_remove_slots(struct pci_bus *bus);
    62. 

  62. void acpiphp_check_host_bridge(acpi_handle handle);
    63. 

  63. #else
    64. 

  64. static inline void acpiphp_init(void) { }
    65. 

  65. static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
    66. 

  66. static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
    67. 

  67. static inline void acpiphp_check_host_bridge(acpi_handle handle) { }
    68. 

  68. #endif
    69. 

  69. 

  70. #else	/* CONFIG_ACPI */
    71. 

  71. static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
    72. 

  72. static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
    73. 

  73. #endif	/* CONFIG_ACPI */
    74. 

  74. 

  75. #ifdef CONFIG_ACPI_APEI
    76. 

  76. extern bool aer_acpi_firmware_first(void);
    77. 

  77. #else
    78. 

  78. static inline bool aer_acpi_firmware_first(void) { return false; }
    79. 

  79. #endif
    80. 

  80. 

  81. #endif	/* _PCI_ACPI_H_ */
    82.