1 /* Functions local to drivers/usb/core/ */
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);
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);
17 extern int usb_get_device_descriptor(struct usb_device *dev,
19 extern char *usb_cache_string(struct usb_device *udev, int index);
20 extern int usb_set_configuration(struct usb_device *dev, int configuration);
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);
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);
33 extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
34 extern int usb_resume_both(struct usb_device *udev);
35 extern int usb_port_suspend(struct usb_device *dev);
36 extern int usb_port_resume(struct usb_device *dev);
38 extern struct bus_type usb_bus_type;
39 extern struct usb_device_driver usb_generic_driver;
41 /* Here's how we tell apart devices and interfaces. Luckily there's
42 * no such thing as a platform USB device, so we can steal the use
43 * of the platform_data field. */
45 static inline int is_usb_device(struct device *dev)
47 return dev->platform_data == &usb_generic_driver;
50 /* Do the same for device drivers and interface drivers. */
52 static inline int is_usb_device_driver(struct device_driver *drv)
54 return container_of(drv, struct usbdrv_wrap, driver)->
58 /* Interfaces and their "power state" are owned by usbcore */
60 static inline void mark_active(struct usb_interface *f)
62 f->dev.power.power_state.event = PM_EVENT_ON;
65 static inline void mark_quiesced(struct usb_interface *f)
67 f->dev.power.power_state.event = PM_EVENT_FREEZE;
70 static inline int is_active(struct usb_interface *f)
72 return f->dev.power.power_state.event == PM_EVENT_ON;
76 /* for labeling diagnostics */
77 extern const char *usbcore_name;
80 extern struct mutex usbfs_mutex;
81 extern struct usb_driver usbfs_driver;
82 extern struct file_operations usbfs_devices_fops;
83 extern struct file_operations usbfs_device_file_operations;
84 extern void usbfs_conn_disc_event(void);
86 extern int usbdev_init(void);
87 extern void usbdev_cleanup(void);
90 struct list_head list; /* state list */
91 struct usb_device *dev;
93 spinlock_t lock; /* protects the async urb lists */
94 struct list_head async_pending;
95 struct list_head async_completed;
96 wait_queue_head_t wait; /* wake up if a request completed */
97 unsigned int discsignr;
99 uid_t disc_uid, disc_euid;
100 void __user *disccontext;
101 unsigned long ifclaimed;
105 /* internal notify stuff */
106 extern void usb_notify_add_device(struct usb_device *udev);
107 extern void usb_notify_remove_device(struct usb_device *udev);
108 extern void usb_notify_add_bus(struct usb_bus *ubus);
109 extern void usb_notify_remove_bus(struct usb_bus *ubus);