1 /* Functions local to drivers/usb/core/ */
3 extern int usb_create_sysfs_dev_files(struct usb_device *dev);
4 extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
5 extern int usb_create_sysfs_intf_files(struct usb_interface *intf);
6 extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
7 extern int usb_create_ep_files(struct device *parent,
8 struct usb_host_endpoint *endpoint,
9 struct usb_device *udev);
10 extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
12 extern void usb_enable_endpoint(struct usb_device *dev,
13 struct usb_host_endpoint *ep);
14 extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr);
15 extern void usb_disable_interface(struct usb_device *dev,
16 struct usb_interface *intf);
17 extern void usb_release_interface_cache(struct kref *ref);
18 extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
19 extern int usb_deauthorize_device(struct usb_device *);
20 extern int usb_authorize_device(struct usb_device *);
21 extern void usb_detect_quirks(struct usb_device *udev);
23 extern int usb_get_device_descriptor(struct usb_device *dev,
25 extern char *usb_cache_string(struct usb_device *udev, int index);
26 extern int usb_set_configuration(struct usb_device *dev, int configuration);
27 extern int usb_choose_configuration(struct usb_device *udev);
29 extern void usb_kick_khubd(struct usb_device *dev);
30 extern int usb_match_device(struct usb_device *dev,
31 const struct usb_device_id *id);
32 extern void usb_forced_unbind_intf(struct usb_interface *intf);
33 extern void usb_rebind_intf(struct usb_interface *intf);
35 extern int usb_hub_init(void);
36 extern void usb_hub_cleanup(void);
37 extern int usb_major_init(void);
38 extern void usb_major_cleanup(void);
39 extern int usb_host_init(void);
40 extern void usb_host_cleanup(void);
44 extern void usb_autosuspend_work(struct work_struct *work);
45 extern int usb_port_suspend(struct usb_device *dev);
46 extern int usb_port_resume(struct usb_device *dev);
47 extern int usb_external_suspend_device(struct usb_device *udev,
49 extern int usb_external_resume_device(struct usb_device *udev);
51 static inline void usb_pm_lock(struct usb_device *udev)
53 mutex_lock_nested(&udev->pm_mutex, udev->level);
56 static inline void usb_pm_unlock(struct usb_device *udev)
58 mutex_unlock(&udev->pm_mutex);
63 static inline int usb_port_suspend(struct usb_device *udev)
68 static inline int usb_port_resume(struct usb_device *udev)
73 static inline void usb_pm_lock(struct usb_device *udev) {}
74 static inline void usb_pm_unlock(struct usb_device *udev) {}
78 #ifdef CONFIG_USB_SUSPEND
80 extern void usb_autosuspend_device(struct usb_device *udev);
81 extern void usb_try_autosuspend_device(struct usb_device *udev);
82 extern int usb_autoresume_device(struct usb_device *udev);
86 #define usb_autosuspend_device(udev) do {} while (0)
87 #define usb_try_autosuspend_device(udev) do {} while (0)
88 static inline int usb_autoresume_device(struct usb_device *udev)
95 extern struct workqueue_struct *ksuspend_usb_wq;
96 extern struct bus_type usb_bus_type;
97 extern struct device_type usb_device_type;
98 extern struct device_type usb_if_device_type;
99 extern struct usb_device_driver usb_generic_driver;
101 static inline int is_usb_device(const struct device *dev)
103 return dev->type == &usb_device_type;
106 /* Do the same for device drivers and interface drivers. */
108 static inline int is_usb_device_driver(struct device_driver *drv)
110 return container_of(drv, struct usbdrv_wrap, driver)->
114 /* Interfaces and their "power state" are owned by usbcore */
116 static inline void mark_active(struct usb_interface *f)
121 static inline void mark_quiesced(struct usb_interface *f)
126 static inline int is_active(const struct usb_interface *f)
132 /* for labeling diagnostics */
133 extern const char *usbcore_name;
136 extern struct attribute_group *usb_device_groups[];
137 extern struct attribute_group *usb_interface_groups[];
140 extern struct mutex usbfs_mutex;
141 extern struct usb_driver usbfs_driver;
142 extern const struct file_operations usbfs_devices_fops;
143 extern const struct file_operations usbdev_file_operations;
144 extern void usbfs_conn_disc_event(void);
145 extern void usb_fs_classdev_common_remove(struct usb_device *udev);
147 extern int usb_devio_init(void);
148 extern void usb_devio_cleanup(void);
150 /* internal notify stuff */
151 extern void usb_notify_add_device(struct usb_device *udev);
152 extern void usb_notify_remove_device(struct usb_device *udev);
153 extern void usb_notify_add_bus(struct usb_bus *ubus);
154 extern void usb_notify_remove_bus(struct usb_bus *ubus);