usb.h revision 9bbdf1e0afe771ca7650f9f476769310bee9d8f3 
1#include <linux/pm.h>
2
3/* Functions local to drivers/usb/core/ */
4
5extern int usb_create_sysfs_dev_files(struct usb_device *dev);
6extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
7extern int usb_create_sysfs_intf_files(struct usb_interface *intf);
8extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
9extern int usb_create_ep_devs(struct device *parent,
10				struct usb_host_endpoint *endpoint,
11				struct usb_device *udev);
12extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
13
14extern void usb_enable_endpoint(struct usb_device *dev,
15		struct usb_host_endpoint *ep, bool reset_toggle);
16extern void usb_enable_interface(struct usb_device *dev,
17		struct usb_interface *intf, bool reset_toggles);
18extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
19		bool reset_hardware);
20extern void usb_disable_interface(struct usb_device *dev,
21		struct usb_interface *intf, bool reset_hardware);
22extern void usb_release_interface_cache(struct kref *ref);
23extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
24extern int usb_deauthorize_device(struct usb_device *);
25extern int usb_authorize_device(struct usb_device *);
26extern void usb_detect_quirks(struct usb_device *udev);
27extern int usb_remove_device(struct usb_device *udev);
28
29extern int usb_get_device_descriptor(struct usb_device *dev,
30		unsigned int size);
31extern char *usb_cache_string(struct usb_device *udev, int index);
32extern int usb_set_configuration(struct usb_device *dev, int configuration);
33extern int usb_choose_configuration(struct usb_device *udev);
34
35extern void usb_kick_khubd(struct usb_device *dev);
36extern int usb_match_device(struct usb_device *dev,
37			    const struct usb_device_id *id);
38extern void usb_forced_unbind_intf(struct usb_interface *intf);
39extern void usb_rebind_intf(struct usb_interface *intf);
40
41extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
42		void *owner);
43extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
44		void *owner);
45extern void usb_hub_release_all_ports(struct usb_device *hdev, void *owner);
46extern bool usb_device_is_owned(struct usb_device *udev);
47
48extern int  usb_hub_init(void);
49extern void usb_hub_cleanup(void);
50extern int usb_major_init(void);
51extern void usb_major_cleanup(void);
52
53#ifdef	CONFIG_PM
54
55extern int usb_suspend(struct device *dev, pm_message_t msg);
56extern int usb_resume(struct device *dev, pm_message_t msg);
57
58extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
59extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
60
61#else
62
63static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
64{
65	return 0;
66}
67
68static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
69{
70	return 0;
71}
72
73#endif
74
75#ifdef CONFIG_USB_SUSPEND
76
77extern void usb_autosuspend_device(struct usb_device *udev);
78extern void usb_try_autosuspend_device(struct usb_device *udev);
79extern int usb_autoresume_device(struct usb_device *udev);
80extern int usb_remote_wakeup(struct usb_device *dev);
81
82#else
83
84#define usb_autosuspend_device(udev)		do {} while (0)
85#define usb_try_autosuspend_device(udev)	do {} while (0)
86static inline int usb_autoresume_device(struct usb_device *udev)
87{
88	return 0;
89}
90
91static inline int usb_remote_wakeup(struct usb_device *udev)
92{
93	return 0;
94}
95
96#endif
97
98extern struct bus_type usb_bus_type;
99extern struct device_type usb_device_type;
100extern struct device_type usb_if_device_type;
101extern struct device_type usb_ep_device_type;
102extern struct usb_device_driver usb_generic_driver;
103
104static inline int is_usb_device(const struct device *dev)
105{
106	return dev->type == &usb_device_type;
107}
108
109static inline int is_usb_interface(const struct device *dev)
110{
111	return dev->type == &usb_if_device_type;
112}
113
114static inline int is_usb_endpoint(const struct device *dev)
115{
116	return dev->type == &usb_ep_device_type;
117}
118
119/* Do the same for device drivers and interface drivers. */
120
121static inline int is_usb_device_driver(struct device_driver *drv)
122{
123	return container_of(drv, struct usbdrv_wrap, driver)->
124			for_devices;
125}
126
127
128/* for labeling diagnostics */
129extern const char *usbcore_name;
130
131/* sysfs stuff */
132extern const struct attribute_group *usb_device_groups[];
133extern const struct attribute_group *usb_interface_groups[];
134
135/* usbfs stuff */
136extern struct mutex usbfs_mutex;
137extern struct usb_driver usbfs_driver;
138extern const struct file_operations usbfs_devices_fops;
139extern const struct file_operations usbdev_file_operations;
140extern void usbfs_conn_disc_event(void);
141
142extern int usb_devio_init(void);
143extern void usb_devio_cleanup(void);
144
145/* internal notify stuff */
146extern void usb_notify_add_device(struct usb_device *udev);
147extern void usb_notify_remove_device(struct usb_device *udev);
148extern void usb_notify_add_bus(struct usb_bus *ubus);
149extern void usb_notify_remove_bus(struct usb_bus *ubus);
150
151