drivers/usb/core/usb.h

   1 /* Functions local to drivers/usb/core/ */
   2
   3 extern void usb_create_sysfs_dev_files (struct usb_device *dev);
   4 extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
   5 extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
   6 extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
   7
   8 extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
   9 extern void usb_disable_interface (struct usb_device *dev,
  10                 struct usb_interface *intf);
  11 extern void usb_release_interface_cache(struct kref *ref);
  12 extern void usb_disable_device (struct usb_device *dev, int skip_ep0);
  13
  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
  19 extern void usb_lock_all_devices(void);
  20 extern void usb_unlock_all_devices(void);
  21
  22 extern void usb_kick_khubd(struct usb_device *dev);
  23 extern void usb_suspend_root_hub(struct usb_device *hdev);
  24 extern void usb_resume_root_hub(struct usb_device *dev);
  25
  26 extern int  usb_hub_init(void);
  27 extern void usb_hub_cleanup(void);
  28 extern int usb_major_init(void);
  29 extern void usb_major_cleanup(void);
  30 extern int usb_host_init(void);
  31 extern void usb_host_cleanup(void);
  32
  33 extern int usb_suspend_device(struct usb_device *dev);
  34 extern int usb_resume_device(struct usb_device *dev);
  35
  36
  37 /* Interfaces and their "power state" are owned by usbcore */
  38
  39 static inline void mark_active(struct usb_interface *f)
  40 {
  41         f->dev.power.power_state.event = PM_EVENT_ON;
  42 }
  43
  44 static inline void mark_quiesced(struct usb_interface *f)
  45 {
  46         f->dev.power.power_state.event = PM_EVENT_FREEZE;
  47 }
  48
  49 static inline int is_active(struct usb_interface *f)
  50 {
  51         return f->dev.power.power_state.event == PM_EVENT_ON;
  52 }
  53
  54
  55 /* for labeling diagnostics */
  56 extern const char *usbcore_name;
  57
  58 /* usbfs stuff */
  59 extern struct usb_driver usbfs_driver;
  60 extern struct file_operations usbfs_devices_fops;
  61 extern struct file_operations usbfs_device_file_operations;
  62 extern void usbfs_conn_disc_event(void);
  63
  64 extern int usbdev_init(void);
  65 extern void usbdev_cleanup(void);
  66
  67 struct dev_state {
  68         struct list_head list;      /* state list */
  69         struct usb_device *dev;
  70         struct file *file;
  71         spinlock_t lock;            /* protects the async urb lists */
  72         struct list_head async_pending;
  73         struct list_head async_completed;
  74         wait_queue_head_t wait;     /* wake up if a request completed */
  75         unsigned int discsignr;
  76         pid_t disc_pid;
  77         uid_t disc_uid, disc_euid;
  78         void __user *disccontext;
  79         unsigned long ifclaimed;
  80 };
  81
  82 /* internal notify stuff */
  83 extern void usb_notify_add_device(struct usb_device *udev);
  84 extern void usb_notify_remove_device(struct usb_device *udev);
  85 extern void usb_notify_add_bus(struct usb_bus *ubus);
  86 extern void usb_notify_remove_bus(struct usb_bus *ubus);
  87