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
);
41 #define usb_suspend_both(udev, msg) 0
42 static inline int usb_resume_both(struct usb_device
*udev
)
46 #define usb_port_suspend(dev) 0
47 #define usb_port_resume(dev) 0
51 #ifdef CONFIG_USB_SUSPEND
53 #define USB_AUTOSUSPEND_DELAY (HZ*2)
55 extern void usb_autosuspend_device(struct usb_device
*udev
, int dec_busy_cnt
);
56 extern int usb_autoresume_device(struct usb_device
*udev
, int inc_busy_cnt
);
60 #define usb_autosuspend_device(udev, dec_busy_cnt) do {} while (0)
61 #define usb_autoresume_device(udev, inc_busy_cnt) 0
65 extern struct bus_type usb_bus_type
;
66 extern struct usb_device_driver usb_generic_driver
;
68 /* Here's how we tell apart devices and interfaces. Luckily there's
69 * no such thing as a platform USB device, so we can steal the use
70 * of the platform_data field. */
72 static inline int is_usb_device(const struct device
*dev
)
74 return dev
->platform_data
== &usb_generic_driver
;
77 /* Do the same for device drivers and interface drivers. */
79 static inline int is_usb_device_driver(struct device_driver
*drv
)
81 return container_of(drv
, struct usbdrv_wrap
, driver
)->
85 /* Interfaces and their "power state" are owned by usbcore */
87 static inline void mark_active(struct usb_interface
*f
)
92 static inline void mark_quiesced(struct usb_interface
*f
)
97 static inline int is_active(const struct usb_interface
*f
)
103 /* for labeling diagnostics */
104 extern const char *usbcore_name
;
107 extern struct mutex usbfs_mutex
;
108 extern struct usb_driver usbfs_driver
;
109 extern const struct file_operations usbfs_devices_fops
;
110 extern const struct file_operations usbfs_device_file_operations
;
111 extern void usbfs_conn_disc_event(void);
113 extern int usbdev_init(void);
114 extern void usbdev_cleanup(void);
117 struct list_head list
; /* state list */
118 struct usb_device
*dev
;
120 spinlock_t lock
; /* protects the async urb lists */
121 struct list_head async_pending
;
122 struct list_head async_completed
;
123 wait_queue_head_t wait
; /* wake up if a request completed */
124 unsigned int discsignr
;
126 uid_t disc_uid
, disc_euid
;
127 void __user
*disccontext
;
128 unsigned long ifclaimed
;
132 /* internal notify stuff */
133 extern void usb_notify_add_device(struct usb_device
*udev
);
134 extern void usb_notify_remove_device(struct usb_device
*udev
);
135 extern void usb_notify_add_bus(struct usb_bus
*ubus
);
136 extern void usb_notify_remove_bus(struct usb_bus
*ubus
);