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 void 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 int usb_get_bos_descriptor(struct usb_device *dev);
32extern void usb_release_bos_descriptor(struct usb_device *dev);
33extern char *usb_cache_string(struct usb_device *udev, int index);
34extern int usb_set_configuration(struct usb_device *dev, int configuration);
35extern int usb_choose_configuration(struct usb_device *udev);
36
37extern void usb_kick_khubd(struct usb_device *dev);
38extern int usb_match_device(struct usb_device *dev,
39			    const struct usb_device_id *id);
40extern void usb_forced_unbind_intf(struct usb_interface *intf);
41extern void usb_rebind_intf(struct usb_interface *intf);
42
43extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
44		void *owner);
45extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
46		void *owner);
47extern void usb_hub_release_all_ports(struct usb_device *hdev, void *owner);
48extern bool usb_device_is_owned(struct usb_device *udev);
49
50extern int  usb_hub_init(void);
51extern void usb_hub_cleanup(void);
52extern int usb_major_init(void);
53extern void usb_major_cleanup(void);
54
55#ifdef	CONFIG_PM
56
57extern int usb_suspend(struct device *dev, pm_message_t msg);
58extern int usb_resume(struct device *dev, pm_message_t msg);
59extern int usb_resume_complete(struct device *dev);
60
61extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
62extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
63
64#else
65
66static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
67{
68	return 0;
69}
70
71static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
72{
73	return 0;
74}
75
76#endif
77
78#ifdef CONFIG_USB_SUSPEND
79
80extern void usb_autosuspend_device(struct usb_device *udev);
81extern int usb_autoresume_device(struct usb_device *udev);
82extern int usb_remote_wakeup(struct usb_device *dev);
83extern int usb_runtime_suspend(struct device *dev);
84extern int usb_runtime_resume(struct device *dev);
85extern int usb_runtime_idle(struct device *dev);
86extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
87
88#else
89
90#define usb_autosuspend_device(udev)		do {} while (0)
91static inline int usb_autoresume_device(struct usb_device *udev)
92{
93	return 0;
94}
95
96static inline int usb_remote_wakeup(struct usb_device *udev)
97{
98	return 0;
99}
100
101static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
102{
103	return 0;
104}
105#endif
106
107extern struct bus_type usb_bus_type;
108extern struct device_type usb_device_type;
109extern struct device_type usb_if_device_type;
110extern struct device_type usb_ep_device_type;
111extern struct usb_device_driver usb_generic_driver;
112
113static inline int is_usb_device(const struct device *dev)
114{
115	return dev->type == &usb_device_type;
116}
117
118static inline int is_usb_interface(const struct device *dev)
119{
120	return dev->type == &usb_if_device_type;
121}
122
123static inline int is_usb_endpoint(const struct device *dev)
124{
125	return dev->type == &usb_ep_device_type;
126}
127
128/* Do the same for device drivers and interface drivers. */
129
130static inline int is_usb_device_driver(struct device_driver *drv)
131{
132	return container_of(drv, struct usbdrv_wrap, driver)->
133			for_devices;
134}
135
136/* for labeling diagnostics */
137extern const char *usbcore_name;
138
139/* sysfs stuff */
140extern const struct attribute_group *usb_device_groups[];
141extern const struct attribute_group *usb_interface_groups[];
142
143/* usbfs stuff */
144extern struct mutex usbfs_mutex;
145extern struct usb_driver usbfs_driver;
146extern const struct file_operations usbfs_devices_fops;
147extern const struct file_operations usbdev_file_operations;
148extern void usbfs_conn_disc_event(void);
149
150extern int usb_devio_init(void);
151extern void usb_devio_cleanup(void);
152
153/* internal notify stuff */
154extern void usb_notify_add_device(struct usb_device *udev);
155extern void usb_notify_remove_device(struct usb_device *udev);
156extern void usb_notify_add_bus(struct usb_bus *ubus);
157extern void usb_notify_remove_bus(struct usb_bus *ubus);
158
159