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, bool reset_toggle);
14 extern void usb_enable_interface(struct usb_device *dev,
15 struct usb_interface *intf, bool reset_toggles);
16 extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
18 extern void usb_disable_interface(struct usb_device *dev,
19 struct usb_interface *intf, bool reset_hardware);
20 extern void usb_release_interface_cache(struct kref *ref);
21 extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
22 extern int usb_deauthorize_device(struct usb_device *);
23 extern int usb_authorize_device(struct usb_device *);
24 extern void usb_detect_quirks(struct usb_device *udev);
26 extern int usb_get_device_descriptor(struct usb_device *dev,
28 extern char *usb_cache_string(struct usb_device *udev, int index);
29 extern int usb_set_configuration(struct usb_device *dev, int configuration);
30 extern int usb_choose_configuration(struct usb_device *udev);
32 extern void usb_kick_khubd(struct usb_device *dev);
33 extern int usb_match_device(struct usb_device *dev,
34 const struct usb_device_id *id);
35 extern void usb_forced_unbind_intf(struct usb_interface *intf);
36 extern void usb_rebind_intf(struct usb_interface *intf);
38 extern int usb_hub_init(void);
39 extern void usb_hub_cleanup(void);
40 extern int usb_major_init(void);
41 extern void usb_major_cleanup(void);
42 extern int usb_host_init(void);
43 extern void usb_host_cleanup(void);
47 extern int usb_suspend(struct device *dev, pm_message_t msg);
48 extern int usb_resume(struct device *dev);
50 extern void usb_autosuspend_work(struct work_struct *work);
51 extern int usb_port_suspend(struct usb_device *dev);
52 extern int usb_port_resume(struct usb_device *dev);
53 extern int usb_external_suspend_device(struct usb_device *udev,
55 extern int usb_external_resume_device(struct usb_device *udev);
57 static inline void usb_pm_lock(struct usb_device *udev)
59 mutex_lock_nested(&udev->pm_mutex, udev->level);
62 static inline void usb_pm_unlock(struct usb_device *udev)
64 mutex_unlock(&udev->pm_mutex);
69 static inline int usb_port_suspend(struct usb_device *udev)
74 static inline int usb_port_resume(struct usb_device *udev)
79 static inline void usb_pm_lock(struct usb_device *udev) {}
80 static inline void usb_pm_unlock(struct usb_device *udev) {}
84 #ifdef CONFIG_USB_SUSPEND
86 extern void usb_autosuspend_device(struct usb_device *udev);
87 extern void usb_try_autosuspend_device(struct usb_device *udev);
88 extern int usb_autoresume_device(struct usb_device *udev);
92 #define usb_autosuspend_device(udev) do {} while (0)
93 #define usb_try_autosuspend_device(udev) do {} while (0)
94 static inline int usb_autoresume_device(struct usb_device *udev)
101 extern struct workqueue_struct *ksuspend_usb_wq;
102 extern struct bus_type usb_bus_type;
103 extern struct device_type usb_device_type;
104 extern struct device_type usb_if_device_type;
105 extern struct usb_device_driver usb_generic_driver;
107 static inline int is_usb_device(const struct device *dev)
109 return dev->type == &usb_device_type;
112 /* Do the same for device drivers and interface drivers. */
114 static inline int is_usb_device_driver(struct device_driver *drv)
116 return container_of(drv, struct usbdrv_wrap, driver)->
120 /* Interfaces and their "power state" are owned by usbcore */
122 static inline void mark_active(struct usb_interface *f)
127 static inline void mark_quiesced(struct usb_interface *f)
132 static inline int is_active(const struct usb_interface *f)
138 /* for labeling diagnostics */
139 extern const char *usbcore_name;
142 extern struct attribute_group *usb_device_groups[];
143 extern struct attribute_group *usb_interface_groups[];
146 extern struct mutex usbfs_mutex;
147 extern struct usb_driver usbfs_driver;
148 extern const struct file_operations usbfs_devices_fops;
149 extern const struct file_operations usbdev_file_operations;
150 extern void usbfs_conn_disc_event(void);
152 extern int usb_devio_init(void);
153 extern void usb_devio_cleanup(void);
155 /* internal notify stuff */
156 extern void usb_notify_add_device(struct usb_device *udev);
157 extern void usb_notify_remove_device(struct usb_device *udev);
158 extern void usb_notify_add_bus(struct usb_bus *ubus);
159 extern void usb_notify_remove_bus(struct usb_bus *ubus);