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 int usb_match_device(struct usb_device
*dev
,
25 const struct usb_device_id
*id
);
27 extern int usb_hub_init(void);
28 extern void usb_hub_cleanup(void);
29 extern int usb_major_init(void);
30 extern void usb_major_cleanup(void);
31 extern int usb_host_init(void);
32 extern void usb_host_cleanup(void);
36 extern void usb_autosuspend_work(struct work_struct
*work
);
37 extern int usb_port_suspend(struct usb_device
*dev
);
38 extern int usb_port_resume(struct usb_device
*dev
);
39 extern int usb_external_suspend_device(struct usb_device
*udev
,
41 extern int usb_external_resume_device(struct usb_device
*udev
);
43 static inline void usb_pm_lock(struct usb_device
*udev
)
45 mutex_lock_nested(&udev
->pm_mutex
, udev
->level
);
48 static inline void usb_pm_unlock(struct usb_device
*udev
)
50 mutex_unlock(&udev
->pm_mutex
);
55 static inline int usb_port_suspend(struct usb_device
*udev
)
60 static inline int usb_port_resume(struct usb_device
*udev
)
65 static inline void usb_pm_lock(struct usb_device
*udev
) {}
66 static inline void usb_pm_unlock(struct usb_device
*udev
) {}
70 #ifdef CONFIG_USB_SUSPEND
72 extern void usb_autosuspend_device(struct usb_device
*udev
);
73 extern void usb_try_autosuspend_device(struct usb_device
*udev
);
74 extern int usb_autoresume_device(struct usb_device
*udev
);
78 #define usb_autosuspend_device(udev) do {} while (0)
79 #define usb_try_autosuspend_device(udev) do {} while (0)
80 static inline int usb_autoresume_device(struct usb_device
*udev
)
87 extern struct workqueue_struct
*ksuspend_usb_wq
;
88 extern struct bus_type usb_bus_type
;
89 extern struct device_type usb_device_type
;
90 extern struct device_type usb_if_device_type
;
91 extern struct usb_device_driver usb_generic_driver
;
93 static inline int is_usb_device(const struct device
*dev
)
95 return dev
->type
== &usb_device_type
;
98 /* Do the same for device drivers and interface drivers. */
100 static inline int is_usb_device_driver(struct device_driver
*drv
)
102 return container_of(drv
, struct usbdrv_wrap
, driver
)->
106 /* Interfaces and their "power state" are owned by usbcore */
108 static inline void mark_active(struct usb_interface
*f
)
111 f
->dev
.power
.power_state
.event
= PM_EVENT_ON
;
114 static inline void mark_quiesced(struct usb_interface
*f
)
117 f
->dev
.power
.power_state
.event
= PM_EVENT_SUSPEND
;
120 static inline int is_active(const struct usb_interface
*f
)
126 /* for labeling diagnostics */
127 extern const char *usbcore_name
;
130 extern struct mutex usbfs_mutex
;
131 extern struct usb_driver usbfs_driver
;
132 extern const struct file_operations usbfs_devices_fops
;
133 extern const struct file_operations usbdev_file_operations
;
134 extern void usbfs_conn_disc_event(void);
136 extern int usb_devio_init(void);
137 extern void usb_devio_cleanup(void);
140 struct list_head list
; /* state list */
141 struct usb_device
*dev
;
143 spinlock_t lock
; /* protects the async urb lists */
144 struct list_head async_pending
;
145 struct list_head async_completed
;
146 wait_queue_head_t wait
; /* wake up if a request completed */
147 unsigned int discsignr
;
148 struct pid
*disc_pid
;
149 uid_t disc_uid
, disc_euid
;
150 void __user
*disccontext
;
151 unsigned long ifclaimed
;
155 /* internal notify stuff */
156 extern void usb_notify_add_device(struct usb_device
*udev
);
157 extern void usb_notify_remove_device(struct usb_device
*udev
);
158 extern void usb_notify_add_bus(struct usb_bus
*ubus
);
159 extern void usb_notify_remove_bus(struct usb_bus
*ubus
);