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,
20 extern void usb_disable_interface(struct usb_device *dev,
21 struct usb_interface *intf, bool reset_hardware);
22 extern void usb_release_interface_cache(struct kref *ref);
23 extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
24 extern int usb_deauthorize_device(struct usb_device *);
25 extern int usb_authorize_device(struct usb_device *);
26 extern void usb_detect_quirks(struct usb_device *udev);
28 extern int usb_get_device_descriptor(struct usb_device *dev,
30 extern char *usb_cache_string(struct usb_device *udev, int index);
31 extern int usb_set_configuration(struct usb_device *dev, int configuration);
32 extern int usb_choose_configuration(struct usb_device *udev);
34 extern void usb_kick_khubd(struct usb_device *dev);
35 extern int usb_match_device(struct usb_device *dev,
36 const struct usb_device_id *id);
37 extern void usb_forced_unbind_intf(struct usb_interface *intf);
38 extern void usb_rebind_intf(struct usb_interface *intf);
40 extern int usb_hub_init(void);
41 extern void usb_hub_cleanup(void);
42 extern int usb_major_init(void);
43 extern void usb_major_cleanup(void);
47 extern int usb_suspend(struct device *dev, pm_message_t msg);
48 extern int usb_resume(struct device *dev, pm_message_t msg);
50 extern void usb_autosuspend_work(struct work_struct *work);
51 extern void usb_autoresume_work(struct work_struct *work);
52 extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
53 extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
54 extern int usb_external_suspend_device(struct usb_device *udev,
56 extern int usb_external_resume_device(struct usb_device *udev,
59 static inline void usb_pm_lock(struct usb_device *udev)
61 mutex_lock_nested(&udev->pm_mutex, udev->level);
64 static inline void usb_pm_unlock(struct usb_device *udev)
66 mutex_unlock(&udev->pm_mutex);
71 static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
76 static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
81 static inline void usb_pm_lock(struct usb_device *udev) {}
82 static inline void usb_pm_unlock(struct usb_device *udev) {}
86 #ifdef CONFIG_USB_SUSPEND
88 extern void usb_autosuspend_device(struct usb_device *udev);
89 extern void usb_try_autosuspend_device(struct usb_device *udev);
90 extern int usb_autoresume_device(struct usb_device *udev);
94 #define usb_autosuspend_device(udev) do {} while (0)
95 #define usb_try_autosuspend_device(udev) do {} while (0)
96 static inline int usb_autoresume_device(struct usb_device *udev)
103 extern struct workqueue_struct *ksuspend_usb_wq;
104 extern struct bus_type usb_bus_type;
105 extern struct device_type usb_device_type;
106 extern struct device_type usb_if_device_type;
107 extern struct device_type usb_ep_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 static inline int is_usb_interface(const struct device *dev)
117 return dev->type == &usb_if_device_type;
120 static inline int is_usb_endpoint(const struct device *dev)
122 return dev->type == &usb_ep_device_type;
125 /* Do the same for device drivers and interface drivers. */
127 static inline int is_usb_device_driver(struct device_driver *drv)
129 return container_of(drv, struct usbdrv_wrap, driver)->
133 /* Interfaces and their "power state" are owned by usbcore */
135 static inline void mark_active(struct usb_interface *f)
140 static inline void mark_quiesced(struct usb_interface *f)
145 static inline int is_active(const struct usb_interface *f)
151 /* for labeling diagnostics */
152 extern const char *usbcore_name;
155 extern struct attribute_group *usb_device_groups[];
156 extern struct attribute_group *usb_interface_groups[];
159 extern struct mutex usbfs_mutex;
160 extern struct usb_driver usbfs_driver;
161 extern const struct file_operations usbfs_devices_fops;
162 extern const struct file_operations usbdev_file_operations;
163 extern void usbfs_conn_disc_event(void);
165 extern int usb_devio_init(void);
166 extern void usb_devio_cleanup(void);
168 /* internal notify stuff */
169 extern void usb_notify_add_device(struct usb_device *udev);
170 extern void usb_notify_remove_device(struct usb_device *udev);
171 extern void usb_notify_add_bus(struct usb_bus *ubus);
172 extern void usb_notify_remove_bus(struct usb_bus *ubus);