1 /* Functions local to drivers/usb/core/ */
3 extern void usb_create_sysfs_dev_files (struct usb_device *dev);
4 extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
5 extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
6 extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
7 extern void 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);
17 extern int usb_get_device_descriptor(struct usb_device *dev,
19 extern char *usb_cache_string(struct usb_device *udev, int index);
20 extern int usb_set_configuration(struct usb_device *dev, int configuration);
22 extern void usb_kick_khubd(struct usb_device *dev);
23 extern void usb_suspend_root_hub(struct usb_device *hdev);
24 extern void usb_resume_root_hub(struct usb_device *dev);
26 extern int usb_hub_init(void);
27 extern void usb_hub_cleanup(void);
28 extern int usb_major_init(void);
29 extern void usb_major_cleanup(void);
30 extern int usb_host_init(void);
31 extern void usb_host_cleanup(void);
35 extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
36 extern int usb_resume_both(struct usb_device *udev);
37 extern int usb_port_suspend(struct usb_device *dev);
38 extern int usb_port_resume(struct usb_device *dev);
42 #define usb_suspend_both(udev, msg) 0
43 static inline int usb_resume_both(struct usb_device *udev)
47 #define usb_port_suspend(dev) 0
48 #define usb_port_resume(dev) 0
52 #ifdef CONFIG_USB_SUSPEND
54 #define USB_AUTOSUSPEND_DELAY (HZ*2)
56 extern void usb_autosuspend_device(struct usb_device *udev, int dec_busy_cnt);
57 extern int usb_autoresume_device(struct usb_device *udev, int inc_busy_cnt);
61 #define usb_autosuspend_device(udev, dec_busy_cnt) do {} while (0)
62 #define usb_autoresume_device(udev, inc_busy_cnt) 0
66 extern struct bus_type usb_bus_type;
67 extern struct usb_device_driver usb_generic_driver;
69 /* Here's how we tell apart devices and interfaces. Luckily there's
70 * no such thing as a platform USB device, so we can steal the use
71 * of the platform_data field. */
73 static inline int is_usb_device(const struct device *dev)
75 return dev->platform_data == &usb_generic_driver;
78 /* Do the same for device drivers and interface drivers. */
80 static inline int is_usb_device_driver(struct device_driver *drv)
82 return container_of(drv, struct usbdrv_wrap, driver)->
86 /* Interfaces and their "power state" are owned by usbcore */
88 static inline void mark_active(struct usb_interface *f)
93 static inline void mark_quiesced(struct usb_interface *f)
98 static inline int is_active(const struct usb_interface *f)
104 /* for labeling diagnostics */
105 extern const char *usbcore_name;
108 extern struct mutex usbfs_mutex;
109 extern struct usb_driver usbfs_driver;
110 extern const struct file_operations usbfs_devices_fops;
111 extern const struct file_operations usbfs_device_file_operations;
112 extern void usbfs_conn_disc_event(void);
114 extern int usbdev_init(void);
115 extern void usbdev_cleanup(void);
118 struct list_head list; /* state list */
119 struct usb_device *dev;
121 spinlock_t lock; /* protects the async urb lists */
122 struct list_head async_pending;
123 struct list_head async_completed;
124 wait_queue_head_t wait; /* wake up if a request completed */
125 unsigned int discsignr;
127 uid_t disc_uid, disc_euid;
128 void __user *disccontext;
129 unsigned long ifclaimed;
133 /* internal notify stuff */
134 extern void usb_notify_add_device(struct usb_device *udev);
135 extern void usb_notify_remove_device(struct usb_device *udev);
136 extern void usb_notify_add_bus(struct usb_bus *ubus);
137 extern void usb_notify_remove_bus(struct usb_bus *ubus);