usb.h 3.0 KB

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  1. /* Functions local to drivers/usb/core/ */
  2. extern void usb_create_sysfs_dev_files (struct usb_device *dev);
  3. extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
  4. extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
  5. extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
  6. extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
  7. struct usb_device *udev);
  8. extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
  9. extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
  10. extern void usb_disable_interface (struct usb_device *dev,
  11. struct usb_interface *intf);
  12. extern void usb_release_interface_cache(struct kref *ref);
  13. extern void usb_disable_device (struct usb_device *dev, int skip_ep0);
  14. extern int usb_get_device_descriptor(struct usb_device *dev,
  15. unsigned int size);
  16. extern char *usb_cache_string(struct usb_device *udev, int index);
  17. extern int usb_set_configuration(struct usb_device *dev, int configuration);
  18. extern void usb_kick_khubd(struct usb_device *dev);
  19. extern void usb_suspend_root_hub(struct usb_device *hdev);
  20. extern void usb_resume_root_hub(struct usb_device *dev);
  21. extern int usb_hub_init(void);
  22. extern void usb_hub_cleanup(void);
  23. extern int usb_major_init(void);
  24. extern void usb_major_cleanup(void);
  25. extern int usb_host_init(void);
  26. extern void usb_host_cleanup(void);
  27. extern int usb_port_suspend(struct usb_device *dev);
  28. extern int usb_port_resume(struct usb_device *dev);
  29. extern struct bus_type usb_bus_type;
  30. extern struct device_driver usb_generic_driver;
  31. extern int usb_generic_driver_data;
  32. /* Interfaces and their "power state" are owned by usbcore */
  33. static inline void mark_active(struct usb_interface *f)
  34. {
  35. f->dev.power.power_state.event = PM_EVENT_ON;
  36. }
  37. static inline void mark_quiesced(struct usb_interface *f)
  38. {
  39. f->dev.power.power_state.event = PM_EVENT_FREEZE;
  40. }
  41. static inline int is_active(struct usb_interface *f)
  42. {
  43. return f->dev.power.power_state.event == PM_EVENT_ON;
  44. }
  45. /* for labeling diagnostics */
  46. extern const char *usbcore_name;
  47. /* usbfs stuff */
  48. extern struct mutex usbfs_mutex;
  49. extern struct usb_driver usbfs_driver;
  50. extern struct file_operations usbfs_devices_fops;
  51. extern struct file_operations usbfs_device_file_operations;
  52. extern void usbfs_conn_disc_event(void);
  53. extern int usbdev_init(void);
  54. extern void usbdev_cleanup(void);
  55. struct dev_state {
  56. struct list_head list; /* state list */
  57. struct usb_device *dev;
  58. struct file *file;
  59. spinlock_t lock; /* protects the async urb lists */
  60. struct list_head async_pending;
  61. struct list_head async_completed;
  62. wait_queue_head_t wait; /* wake up if a request completed */
  63. unsigned int discsignr;
  64. pid_t disc_pid;
  65. uid_t disc_uid, disc_euid;
  66. void __user *disccontext;
  67. unsigned long ifclaimed;
  68. u32 secid;
  69. };
  70. /* internal notify stuff */
  71. extern void usb_notify_add_device(struct usb_device *udev);
  72. extern void usb_notify_remove_device(struct usb_device *udev);
  73. extern void usb_notify_add_bus(struct usb_bus *ubus);
  74. extern void usb_notify_remove_bus(struct usb_bus *ubus);