3 /* Functions local to drivers/usb/core/ */
5 extern int usb_create_sysfs_dev_files(struct usb_device *dev);
6 extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
7 extern int usb_create_sysfs_intf_files(struct usb_interface *intf);
8 extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
9 extern int usb_create_ep_devs(struct device *parent,
10 struct usb_host_endpoint *endpoint,
11 struct usb_device *udev);
12 extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
14 extern void usb_enable_endpoint(struct usb_device *dev,
15 struct usb_host_endpoint *ep, bool reset_toggle);
16 extern void usb_enable_interface(struct usb_device *dev,
17 struct usb_interface *intf, bool reset_toggles);
18 extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr);
19 extern void usb_disable_interface(struct usb_device *dev,
20 struct usb_interface *intf);
21 extern void usb_release_interface_cache(struct kref *ref);
22 extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
23 extern int usb_deauthorize_device(struct usb_device *);
24 extern int usb_authorize_device(struct usb_device *);
25 extern void usb_detect_quirks(struct usb_device *udev);
27 extern int usb_get_device_descriptor(struct usb_device *dev,
29 extern char *usb_cache_string(struct usb_device *udev, int index);
30 extern int usb_set_configuration(struct usb_device *dev, int configuration);
31 extern int usb_choose_configuration(struct usb_device *udev);
33 extern void usb_kick_khubd(struct usb_device *dev);
34 extern int usb_match_device(struct usb_device *dev,
35 const struct usb_device_id *id);
36 extern void usb_forced_unbind_intf(struct usb_interface *intf);
37 extern void usb_rebind_intf(struct usb_interface *intf);
39 extern int usb_hub_init(void);
40 extern void usb_hub_cleanup(void);
41 extern int usb_major_init(void);
42 extern void usb_major_cleanup(void);
43 extern int usb_host_init(void);
44 extern void usb_host_cleanup(void);
48 extern int usb_suspend(struct device *dev, pm_message_t msg);
49 extern int usb_resume(struct device *dev, pm_message_t msg);
51 extern void usb_autosuspend_work(struct work_struct *work);
52 extern void usb_autoresume_work(struct work_struct *work);
53 extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
54 extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
55 extern int usb_external_suspend_device(struct usb_device *udev,
57 extern int usb_external_resume_device(struct usb_device *udev,
60 static inline void usb_pm_lock(struct usb_device *udev)
62 mutex_lock_nested(&udev->pm_mutex, udev->level);
65 static inline void usb_pm_unlock(struct usb_device *udev)
67 mutex_unlock(&udev->pm_mutex);
72 static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
77 static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
82 static inline void usb_pm_lock(struct usb_device *udev) {}
83 static inline void usb_pm_unlock(struct usb_device *udev) {}
87 #ifdef CONFIG_USB_SUSPEND
89 extern void usb_autosuspend_device(struct usb_device *udev);
90 extern void usb_try_autosuspend_device(struct usb_device *udev);
91 extern int usb_autoresume_device(struct usb_device *udev);
95 #define usb_autosuspend_device(udev) do {} while (0)
96 #define usb_try_autosuspend_device(udev) do {} while (0)
97 static inline int usb_autoresume_device(struct usb_device *udev)
104 extern struct workqueue_struct *ksuspend_usb_wq;
105 extern struct bus_type usb_bus_type;
106 extern struct device_type usb_device_type;
107 extern struct device_type usb_if_device_type;
108 extern struct usb_device_driver usb_generic_driver;
110 static inline int is_usb_device(const struct device *dev)
112 return dev->type == &usb_device_type;
115 /* Do the same for device drivers and interface drivers. */
117 static inline int is_usb_device_driver(struct device_driver *drv)
119 return container_of(drv, struct usbdrv_wrap, driver)->
123 /* Interfaces and their "power state" are owned by usbcore */
125 static inline void mark_active(struct usb_interface *f)
130 static inline void mark_quiesced(struct usb_interface *f)
135 static inline int is_active(const struct usb_interface *f)
141 /* for labeling diagnostics */
142 extern const char *usbcore_name;
145 extern struct attribute_group *usb_device_groups[];
146 extern struct attribute_group *usb_interface_groups[];
149 extern struct mutex usbfs_mutex;
150 extern struct usb_driver usbfs_driver;
151 extern const struct file_operations usbfs_devices_fops;
152 extern const struct file_operations usbdev_file_operations;
153 extern void usbfs_conn_disc_event(void);
154 extern void usb_fs_classdev_common_remove(struct usb_device *udev);
156 extern int usb_devio_init(void);
157 extern void usb_devio_cleanup(void);
159 /* internal notify stuff */
160 extern void usb_notify_add_device(struct usb_device *udev);
161 extern void usb_notify_remove_device(struct usb_device *udev);
162 extern void usb_notify_add_bus(struct usb_bus *ubus);
163 extern void usb_notify_remove_bus(struct usb_bus *ubus);