usb.h revision 36e56a34586783c7986ce09d39db80b27c95ce24 
1/* Functions local to drivers/usb/core/ */
2
3extern void usb_create_sysfs_dev_files (struct usb_device *dev);
4extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
5extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
6extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
7extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
8				struct usb_device *udev);
9extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
10
11extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
12extern void usb_disable_interface (struct usb_device *dev,
13		struct usb_interface *intf);
14extern void usb_release_interface_cache(struct kref *ref);
15extern void usb_disable_device (struct usb_device *dev, int skip_ep0);
16
17extern int usb_get_device_descriptor(struct usb_device *dev,
18		unsigned int size);
19extern char *usb_cache_string(struct usb_device *udev, int index);
20extern int usb_set_configuration(struct usb_device *dev, int configuration);
21
22extern void usb_kick_khubd(struct usb_device *dev);
23extern void usb_suspend_root_hub(struct usb_device *hdev);
24extern void usb_resume_root_hub(struct usb_device *dev);
25
26extern int  usb_hub_init(void);
27extern void usb_hub_cleanup(void);
28extern int usb_major_init(void);
29extern void usb_major_cleanup(void);
30extern int usb_host_init(void);
31extern void usb_host_cleanup(void);
32
33extern int usb_port_suspend(struct usb_device *dev);
34extern int usb_port_resume(struct usb_device *dev);
35
36extern struct bus_type usb_bus_type;
37extern struct device_driver usb_generic_driver;
38extern int usb_generic_driver_data;
39
40/* Interfaces and their "power state" are owned by usbcore */
41
42static inline void mark_active(struct usb_interface *f)
43{
44	f->dev.power.power_state.event = PM_EVENT_ON;
45}
46
47static inline void mark_quiesced(struct usb_interface *f)
48{
49	f->dev.power.power_state.event = PM_EVENT_FREEZE;
50}
51
52static inline int is_active(struct usb_interface *f)
53{
54	return f->dev.power.power_state.event == PM_EVENT_ON;
55}
56
57
58/* for labeling diagnostics */
59extern const char *usbcore_name;
60
61/* usbfs stuff */
62extern struct mutex usbfs_mutex;
63extern struct usb_driver usbfs_driver;
64extern struct file_operations usbfs_devices_fops;
65extern struct file_operations usbfs_device_file_operations;
66extern void usbfs_conn_disc_event(void);
67
68extern int usbdev_init(void);
69extern void usbdev_cleanup(void);
70
71struct dev_state {
72	struct list_head list;      /* state list */
73	struct usb_device *dev;
74	struct file *file;
75	spinlock_t lock;            /* protects the async urb lists */
76	struct list_head async_pending;
77	struct list_head async_completed;
78	wait_queue_head_t wait;     /* wake up if a request completed */
79	unsigned int discsignr;
80	pid_t disc_pid;
81	uid_t disc_uid, disc_euid;
82	void __user *disccontext;
83	unsigned long ifclaimed;
84	u32 secid;
85};
86
87/* internal notify stuff */
88extern void usb_notify_add_device(struct usb_device *udev);
89extern void usb_notify_remove_device(struct usb_device *udev);
90extern void usb_notify_add_bus(struct usb_bus *ubus);
91extern void usb_notify_remove_bus(struct usb_bus *ubus);
92
93