usb.h revision 80da2e0df5af700518611b7d1cc4fc9945bcaf95 
1#include <linux/pm.h>
2
3struct dev_state;
4
5/* Functions local to drivers/usb/core/ */
6
7extern int usb_create_sysfs_dev_files(struct usb_device *dev);
8extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
9extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
10extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
11extern int usb_create_ep_devs(struct device *parent,
12				struct usb_host_endpoint *endpoint,
13				struct usb_device *udev);
14extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
15
16extern void usb_enable_endpoint(struct usb_device *dev,
17		struct usb_host_endpoint *ep, bool reset_toggle);
18extern void usb_enable_interface(struct usb_device *dev,
19		struct usb_interface *intf, bool reset_toggles);
20extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
21		bool reset_hardware);
22extern void usb_disable_interface(struct usb_device *dev,
23		struct usb_interface *intf, bool reset_hardware);
24extern void usb_release_interface_cache(struct kref *ref);
25extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
26extern int usb_deauthorize_device(struct usb_device *);
27extern int usb_authorize_device(struct usb_device *);
28extern void usb_detect_quirks(struct usb_device *udev);
29extern void usb_detect_interface_quirks(struct usb_device *udev);
30extern int usb_remove_device(struct usb_device *udev);
31
32extern int usb_get_device_descriptor(struct usb_device *dev,
33		unsigned int size);
34extern int usb_get_bos_descriptor(struct usb_device *dev);
35extern void usb_release_bos_descriptor(struct usb_device *dev);
36extern char *usb_cache_string(struct usb_device *udev, int index);
37extern int usb_set_configuration(struct usb_device *dev, int configuration);
38extern int usb_choose_configuration(struct usb_device *udev);
39
40extern void usb_kick_khubd(struct usb_device *dev);
41extern int usb_match_one_id_intf(struct usb_device *dev,
42				 struct usb_host_interface *intf,
43				 const struct usb_device_id *id);
44extern int usb_match_device(struct usb_device *dev,
45			    const struct usb_device_id *id);
46extern void usb_forced_unbind_intf(struct usb_interface *intf);
47extern void usb_rebind_intf(struct usb_interface *intf);
48
49extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
50		struct dev_state *owner);
51extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
52		struct dev_state *owner);
53extern void usb_hub_release_all_ports(struct usb_device *hdev,
54		struct dev_state *owner);
55extern bool usb_device_is_owned(struct usb_device *udev);
56
57extern int  usb_hub_init(void);
58extern void usb_hub_cleanup(void);
59extern int usb_major_init(void);
60extern void usb_major_cleanup(void);
61
62#ifdef	CONFIG_PM
63
64extern int usb_suspend(struct device *dev, pm_message_t msg);
65extern int usb_resume(struct device *dev, pm_message_t msg);
66extern int usb_resume_complete(struct device *dev);
67
68extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
69extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
70
71#else
72
73static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
74{
75	return 0;
76}
77
78static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
79{
80	return 0;
81}
82
83#endif
84
85#ifdef CONFIG_USB_SUSPEND
86
87extern void usb_autosuspend_device(struct usb_device *udev);
88extern int usb_autoresume_device(struct usb_device *udev);
89extern int usb_remote_wakeup(struct usb_device *dev);
90extern int usb_runtime_suspend(struct device *dev);
91extern int usb_runtime_resume(struct device *dev);
92extern int usb_runtime_idle(struct device *dev);
93extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
94
95#else
96
97#define usb_autosuspend_device(udev)		do {} while (0)
98static inline int usb_autoresume_device(struct usb_device *udev)
99{
100	return 0;
101}
102
103static inline int usb_remote_wakeup(struct usb_device *udev)
104{
105	return 0;
106}
107
108static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
109{
110	return 0;
111}
112#endif
113
114extern struct bus_type usb_bus_type;
115extern struct device_type usb_device_type;
116extern struct device_type usb_if_device_type;
117extern struct device_type usb_ep_device_type;
118extern struct usb_device_driver usb_generic_driver;
119
120static inline int is_usb_device(const struct device *dev)
121{
122	return dev->type == &usb_device_type;
123}
124
125static inline int is_usb_interface(const struct device *dev)
126{
127	return dev->type == &usb_if_device_type;
128}
129
130static inline int is_usb_endpoint(const struct device *dev)
131{
132	return dev->type == &usb_ep_device_type;
133}
134
135/* Do the same for device drivers and interface drivers. */
136
137static inline int is_usb_device_driver(struct device_driver *drv)
138{
139	return container_of(drv, struct usbdrv_wrap, driver)->
140			for_devices;
141}
142
143/* for labeling diagnostics */
144extern const char *usbcore_name;
145
146/* sysfs stuff */
147extern const struct attribute_group *usb_device_groups[];
148extern const struct attribute_group *usb_interface_groups[];
149
150/* usbfs stuff */
151extern struct mutex usbfs_mutex;
152extern struct usb_driver usbfs_driver;
153extern const struct file_operations usbfs_devices_fops;
154extern const struct file_operations usbdev_file_operations;
155extern void usbfs_conn_disc_event(void);
156
157extern int usb_devio_init(void);
158extern void usb_devio_cleanup(void);
159
160/* internal notify stuff */
161extern void usb_notify_add_device(struct usb_device *udev);
162extern void usb_notify_remove_device(struct usb_device *udev);
163extern void usb_notify_add_bus(struct usb_bus *ubus);
164extern void usb_notify_remove_bus(struct usb_bus *ubus);
165
166#ifdef CONFIG_ACPI
167extern int usb_acpi_register(void);
168extern void usb_acpi_unregister(void);
169#else
170static inline int usb_acpi_register(void) { return 0; };
171static inline void usb_acpi_unregister(void) { };
172#endif
173