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_port_suspend(struct usb_device *dev);
34 extern int usb_port_resume(struct usb_device *dev);
36 extern struct bus_type usb_bus_type;
37 extern struct usb_device_driver usb_generic_driver;
39 /* Here's how we tell apart devices and interfaces. Luckily there's
40 * no such thing as a platform USB device, so we can steal the use
41 * of the platform_data field. */
43 static inline int is_usb_device(struct device *dev)
45 return dev->platform_data == &usb_generic_driver;
48 /* Do the same for device drivers and interface drivers. */
50 static inline int is_usb_device_driver(struct device_driver *drv)
52 return container_of(drv, struct usbdrv_wrap, driver)->
56 /* Interfaces and their "power state" are owned by usbcore */
58 static inline void mark_active(struct usb_interface *f)
60 f->dev.power.power_state.event = PM_EVENT_ON;
63 static inline void mark_quiesced(struct usb_interface *f)
65 f->dev.power.power_state.event = PM_EVENT_FREEZE;
68 static inline int is_active(struct usb_interface *f)
70 return f->dev.power.power_state.event == PM_EVENT_ON;
74 /* for labeling diagnostics */
75 extern const char *usbcore_name;
78 extern struct mutex usbfs_mutex;
79 extern struct usb_driver usbfs_driver;
80 extern struct file_operations usbfs_devices_fops;
81 extern struct file_operations usbfs_device_file_operations;
82 extern void usbfs_conn_disc_event(void);
84 extern int usbdev_init(void);
85 extern void usbdev_cleanup(void);
88 struct list_head list; /* state list */
89 struct usb_device *dev;
91 spinlock_t lock; /* protects the async urb lists */
92 struct list_head async_pending;
93 struct list_head async_completed;
94 wait_queue_head_t wait; /* wake up if a request completed */
95 unsigned int discsignr;
97 uid_t disc_uid, disc_euid;
98 void __user *disccontext;
99 unsigned long ifclaimed;
103 /* internal notify stuff */
104 extern void usb_notify_add_device(struct usb_device *udev);
105 extern void usb_notify_remove_device(struct usb_device *udev);
106 extern void usb_notify_add_bus(struct usb_bus *ubus);
107 extern void usb_notify_remove_bus(struct usb_bus *ubus);