usb.h 5.6 KB

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  1. #include <linux/pm.h>
  2. struct dev_state;
  3. /* Functions local to drivers/usb/core/ */
  4. extern int usb_create_sysfs_dev_files(struct usb_device *dev);
  5. extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
  6. extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
  7. extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
  8. extern int usb_create_ep_devs(struct device *parent,
  9. struct usb_host_endpoint *endpoint,
  10. struct usb_device *udev);
  11. extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
  12. extern void usb_enable_endpoint(struct usb_device *dev,
  13. struct usb_host_endpoint *ep, bool reset_toggle);
  14. extern void usb_enable_interface(struct usb_device *dev,
  15. struct usb_interface *intf, bool reset_toggles);
  16. extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
  17. bool reset_hardware);
  18. extern void usb_disable_interface(struct usb_device *dev,
  19. struct usb_interface *intf, bool reset_hardware);
  20. extern void usb_release_interface_cache(struct kref *ref);
  21. extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
  22. extern int usb_deauthorize_device(struct usb_device *);
  23. extern int usb_authorize_device(struct usb_device *);
  24. extern void usb_detect_quirks(struct usb_device *udev);
  25. extern void usb_detect_interface_quirks(struct usb_device *udev);
  26. extern int usb_remove_device(struct usb_device *udev);
  27. extern int usb_get_device_descriptor(struct usb_device *dev,
  28. unsigned int size);
  29. extern int usb_get_bos_descriptor(struct usb_device *dev);
  30. extern void usb_release_bos_descriptor(struct usb_device *dev);
  31. extern char *usb_cache_string(struct usb_device *udev, int index);
  32. extern int usb_set_configuration(struct usb_device *dev, int configuration);
  33. extern int usb_choose_configuration(struct usb_device *udev);
  34. extern void usb_kick_khubd(struct usb_device *dev);
  35. extern int usb_match_one_id_intf(struct usb_device *dev,
  36. struct usb_host_interface *intf,
  37. const struct usb_device_id *id);
  38. extern int usb_match_device(struct usb_device *dev,
  39. const struct usb_device_id *id);
  40. extern void usb_forced_unbind_intf(struct usb_interface *intf);
  41. extern void usb_rebind_intf(struct usb_interface *intf);
  42. extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
  43. struct dev_state *owner);
  44. extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
  45. struct dev_state *owner);
  46. extern void usb_hub_release_all_ports(struct usb_device *hdev,
  47. struct dev_state *owner);
  48. extern bool usb_device_is_owned(struct usb_device *udev);
  49. extern int usb_hub_init(void);
  50. extern void usb_hub_cleanup(void);
  51. extern int usb_major_init(void);
  52. extern void usb_major_cleanup(void);
  53. #ifdef CONFIG_PM
  54. extern int usb_suspend(struct device *dev, pm_message_t msg);
  55. extern int usb_resume(struct device *dev, pm_message_t msg);
  56. extern int usb_resume_complete(struct device *dev);
  57. extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
  58. extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
  59. #else
  60. static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
  61. {
  62. return 0;
  63. }
  64. static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
  65. {
  66. return 0;
  67. }
  68. #endif
  69. #ifdef CONFIG_USB_SUSPEND
  70. extern void usb_autosuspend_device(struct usb_device *udev);
  71. extern int usb_autoresume_device(struct usb_device *udev);
  72. extern int usb_remote_wakeup(struct usb_device *dev);
  73. extern int usb_runtime_suspend(struct device *dev);
  74. extern int usb_runtime_resume(struct device *dev);
  75. extern int usb_runtime_idle(struct device *dev);
  76. extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
  77. #else
  78. #define usb_autosuspend_device(udev) do {} while (0)
  79. static inline int usb_autoresume_device(struct usb_device *udev)
  80. {
  81. return 0;
  82. }
  83. static inline int usb_remote_wakeup(struct usb_device *udev)
  84. {
  85. return 0;
  86. }
  87. static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
  88. {
  89. return 0;
  90. }
  91. #endif
  92. extern struct bus_type usb_bus_type;
  93. extern struct device_type usb_device_type;
  94. extern struct device_type usb_if_device_type;
  95. extern struct device_type usb_ep_device_type;
  96. extern struct usb_device_driver usb_generic_driver;
  97. static inline int is_usb_device(const struct device *dev)
  98. {
  99. return dev->type == &usb_device_type;
  100. }
  101. static inline int is_usb_interface(const struct device *dev)
  102. {
  103. return dev->type == &usb_if_device_type;
  104. }
  105. static inline int is_usb_endpoint(const struct device *dev)
  106. {
  107. return dev->type == &usb_ep_device_type;
  108. }
  109. /* Do the same for device drivers and interface drivers. */
  110. static inline int is_usb_device_driver(struct device_driver *drv)
  111. {
  112. return container_of(drv, struct usbdrv_wrap, driver)->
  113. for_devices;
  114. }
  115. /* for labeling diagnostics */
  116. extern const char *usbcore_name;
  117. /* sysfs stuff */
  118. extern const struct attribute_group *usb_device_groups[];
  119. extern const struct attribute_group *usb_interface_groups[];
  120. /* usbfs stuff */
  121. extern struct mutex usbfs_mutex;
  122. extern struct usb_driver usbfs_driver;
  123. extern const struct file_operations usbfs_devices_fops;
  124. extern const struct file_operations usbdev_file_operations;
  125. extern void usbfs_conn_disc_event(void);
  126. extern int usb_devio_init(void);
  127. extern void usb_devio_cleanup(void);
  128. /* internal notify stuff */
  129. extern void usb_notify_add_device(struct usb_device *udev);
  130. extern void usb_notify_remove_device(struct usb_device *udev);
  131. extern void usb_notify_add_bus(struct usb_bus *ubus);
  132. extern void usb_notify_remove_bus(struct usb_bus *ubus);
  133. #ifdef CONFIG_ACPI
  134. extern int usb_acpi_register(void);
  135. extern void usb_acpi_unregister(void);
  136. #else
  137. static inline int usb_acpi_register(void) { return 0; };
  138. static inline void usb_acpi_unregister(void) { };
  139. #endif