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, 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);
16 extern void usb_detect_quirks(struct usb_device *udev);
18 extern int usb_get_device_descriptor(struct usb_device *dev,
20 extern char *usb_cache_string(struct usb_device *udev, int index);
21 extern int usb_set_configuration(struct usb_device *dev, int configuration);
23 extern void usb_kick_khubd(struct usb_device *dev);
24 extern void usb_resume_root_hub(struct usb_device *dev);
25 extern int usb_match_device(struct usb_device *dev,
26 const struct usb_device_id *id);
28 extern int usb_hub_init(void);
29 extern void usb_hub_cleanup(void);
30 extern int usb_major_init(void);
31 extern void usb_major_cleanup(void);
32 extern int usb_host_init(void);
33 extern void usb_host_cleanup(void);
37 extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
38 extern int usb_resume_both(struct usb_device *udev);
39 extern int usb_port_suspend(struct usb_device *dev);
40 extern int usb_port_resume(struct usb_device *dev);
42 static inline void usb_pm_lock(struct usb_device *udev)
44 mutex_lock_nested(&udev->pm_mutex, udev->level);
47 static inline void usb_pm_unlock(struct usb_device *udev)
49 mutex_unlock(&udev->pm_mutex);
54 #define usb_suspend_both(udev, msg) 0
55 static inline int usb_resume_both(struct usb_device *udev)
59 #define usb_port_suspend(dev) 0
60 #define usb_port_resume(dev) 0
61 static inline void usb_pm_lock(struct usb_device *udev) {}
62 static inline void usb_pm_unlock(struct usb_device *udev) {}
66 #ifdef CONFIG_USB_SUSPEND
68 extern void usb_autosuspend_device(struct usb_device *udev);
69 extern void usb_try_autosuspend_device(struct usb_device *udev);
70 extern int usb_autoresume_device(struct usb_device *udev);
74 #define usb_autosuspend_device(udev) do {} while (0)
75 #define usb_try_autosuspend_device(udev) do {} while (0)
76 static inline int usb_autoresume_device(struct usb_device *udev)
83 extern struct workqueue_struct *ksuspend_usb_wq;
84 extern struct bus_type usb_bus_type;
85 extern struct usb_device_driver usb_generic_driver;
87 /* Here's how we tell apart devices and interfaces. Luckily there's
88 * no such thing as a platform USB device, so we can steal the use
89 * of the platform_data field. */
91 static inline int is_usb_device(const struct device *dev)
93 return dev->platform_data == &usb_generic_driver;
96 /* Do the same for device drivers and interface drivers. */
98 static inline int is_usb_device_driver(struct device_driver *drv)
100 return container_of(drv, struct usbdrv_wrap, driver)->
104 /* Interfaces and their "power state" are owned by usbcore */
106 static inline void mark_active(struct usb_interface *f)
111 static inline void mark_quiesced(struct usb_interface *f)
116 static inline int is_active(const struct usb_interface *f)
122 /* for labeling diagnostics */
123 extern const char *usbcore_name;
126 extern struct mutex usbfs_mutex;
127 extern struct usb_driver usbfs_driver;
128 extern const struct file_operations usbfs_devices_fops;
129 extern const struct file_operations usbfs_device_file_operations;
130 extern void usbfs_conn_disc_event(void);
132 extern int usbdev_init(void);
133 extern void usbdev_cleanup(void);
136 struct list_head list; /* state list */
137 struct usb_device *dev;
139 spinlock_t lock; /* protects the async urb lists */
140 struct list_head async_pending;
141 struct list_head async_completed;
142 wait_queue_head_t wait; /* wake up if a request completed */
143 unsigned int discsignr;
144 struct pid *disc_pid;
145 uid_t disc_uid, disc_euid;
146 void __user *disccontext;
147 unsigned long ifclaimed;
151 /* internal notify stuff */
152 extern void usb_notify_add_device(struct usb_device *udev);
153 extern void usb_notify_remove_device(struct usb_device *udev);
154 extern void usb_notify_add_bus(struct usb_bus *ubus);
155 extern void usb_notify_remove_bus(struct usb_bus *ubus);