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);
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_resume_root_hub(struct usb_device *dev);
25 extern int usb_hub_init(void);
26 extern void usb_hub_cleanup(void);
27 extern int usb_major_init(void);
28 extern void usb_major_cleanup(void);
29 extern int usb_host_init(void);
30 extern void usb_host_cleanup(void);
34 extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
35 extern int usb_resume_both(struct usb_device *udev);
36 extern int usb_port_suspend(struct usb_device *dev);
37 extern int usb_port_resume(struct usb_device *dev);
39 static inline void usb_pm_lock(struct usb_device *udev)
41 mutex_lock_nested(&udev->pm_mutex, udev->level);
44 static inline void usb_pm_unlock(struct usb_device *udev)
46 mutex_unlock(&udev->pm_mutex);
51 #define usb_suspend_both(udev, msg) 0
52 static inline int usb_resume_both(struct usb_device *udev)
56 #define usb_port_suspend(dev) 0
57 #define usb_port_resume(dev) 0
58 static inline void usb_pm_lock(struct usb_device *udev) {}
59 static inline void usb_pm_unlock(struct usb_device *udev) {}
63 #ifdef CONFIG_USB_SUSPEND
65 #define USB_AUTOSUSPEND_DELAY (HZ*2)
67 extern void usb_autosuspend_device(struct usb_device *udev, int dec_busy_cnt);
68 extern int usb_autoresume_device(struct usb_device *udev, int inc_busy_cnt);
72 #define usb_autosuspend_device(udev, dec_busy_cnt) do {} while (0)
73 static inline int usb_autoresume_device(struct usb_device *udev,
81 extern struct workqueue_struct *ksuspend_usb_wq;
82 extern struct bus_type usb_bus_type;
83 extern struct usb_device_driver usb_generic_driver;
85 /* Here's how we tell apart devices and interfaces. Luckily there's
86 * no such thing as a platform USB device, so we can steal the use
87 * of the platform_data field. */
89 static inline int is_usb_device(const struct device *dev)
91 return dev->platform_data == &usb_generic_driver;
94 /* Do the same for device drivers and interface drivers. */
96 static inline int is_usb_device_driver(struct device_driver *drv)
98 return container_of(drv, struct usbdrv_wrap, driver)->
102 /* Interfaces and their "power state" are owned by usbcore */
104 static inline void mark_active(struct usb_interface *f)
109 static inline void mark_quiesced(struct usb_interface *f)
114 static inline int is_active(const struct usb_interface *f)
120 /* for labeling diagnostics */
121 extern const char *usbcore_name;
124 extern struct mutex usbfs_mutex;
125 extern struct usb_driver usbfs_driver;
126 extern const struct file_operations usbfs_devices_fops;
127 extern const struct file_operations usbfs_device_file_operations;
128 extern void usbfs_conn_disc_event(void);
130 extern int usbdev_init(void);
131 extern void usbdev_cleanup(void);
134 struct list_head list; /* state list */
135 struct usb_device *dev;
137 spinlock_t lock; /* protects the async urb lists */
138 struct list_head async_pending;
139 struct list_head async_completed;
140 wait_queue_head_t wait; /* wake up if a request completed */
141 unsigned int discsignr;
142 struct pid *disc_pid;
143 uid_t disc_uid, disc_euid;
144 void __user *disccontext;
145 unsigned long ifclaimed;
149 /* internal notify stuff */
150 extern void usb_notify_add_device(struct usb_device *udev);
151 extern void usb_notify_remove_device(struct usb_device *udev);
152 extern void usb_notify_add_bus(struct usb_bus *ubus);
153 extern void usb_notify_remove_bus(struct usb_bus *ubus);