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