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 extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
   8                                 struct usb_device *udev);
   9 extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
  10
  11 extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
  12 extern void usb_disable_interface (struct usb_device *dev,
  13                 struct usb_interface *intf);
  14 extern void usb_release_interface_cache(struct kref *ref);
  15 extern void usb_disable_device (struct usb_device *dev, int skip_ep0);
  16
  17 extern int usb_get_device_descriptor(struct usb_device *dev,
  18                 unsigned int size);
  19 extern char *usb_cache_string(struct usb_device *udev, int index);
  20 extern int usb_set_configuration(struct usb_device *dev, int configuration);
  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 extern struct device_driver usb_generic_driver;
  37 extern int usb_generic_driver_data;
  38 extern int usb_device_match(struct device *dev, struct device_driver *drv);
  39
  40 /* Interfaces and their "power state" are owned by usbcore */
  41
  42 static inline void mark_active(struct usb_interface *f)
  43 {
  44         f->dev.power.power_state.event = PM_EVENT_ON;
  45 }
  46
  47 static inline void mark_quiesced(struct usb_interface *f)
  48 {
  49         f->dev.power.power_state.event = PM_EVENT_FREEZE;
  50 }
  51
  52 static inline int is_active(struct usb_interface *f)
  53 {
  54         return f->dev.power.power_state.event == PM_EVENT_ON;
  55 }
  56
  57
  58 /* for labeling diagnostics */
  59 extern const char *usbcore_name;
  60
  61 /* usbfs stuff */
  62 extern struct usb_driver usbfs_driver;
  63 extern struct file_operations usbfs_devices_fops;
  64 extern struct file_operations usbfs_device_file_operations;
  65 extern void usbfs_conn_disc_event(void);
  66
  67 extern int usbdev_init(void);
  68 extern void usbdev_cleanup(void);
  69
  70 struct dev_state {
  71         struct list_head list;      /* state list */
  72         struct usb_device *dev;
  73         struct file *file;
  74         spinlock_t lock;            /* protects the async urb lists */
  75         struct list_head async_pending;
  76         struct list_head async_completed;
  77         wait_queue_head_t wait;     /* wake up if a request completed */
  78         unsigned int discsignr;
  79         pid_t disc_pid;
  80         uid_t disc_uid, disc_euid;
  81         void __user *disccontext;
  82         unsigned long ifclaimed;
  83 };
  84
  85 /* internal notify stuff */
  86 extern void usb_notify_add_device(struct usb_device *udev);
  87 extern void usb_notify_remove_device(struct usb_device *udev);
  88 extern void usb_notify_add_bus(struct usb_bus *ubus);
  89 extern void usb_notify_remove_bus(struct usb_bus *ubus);
  90