xref: /openbmc/linux/drivers/usb/core/usb.h (revision 4800cd83)
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 int 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 int usb_remove_device(struct usb_device *udev);
28 
29 extern int usb_get_device_descriptor(struct usb_device *dev,
30 		unsigned int size);
31 extern char *usb_cache_string(struct usb_device *udev, int index);
32 extern int usb_set_configuration(struct usb_device *dev, int configuration);
33 extern int usb_choose_configuration(struct usb_device *udev);
34 
35 extern void usb_kick_khubd(struct usb_device *dev);
36 extern int usb_match_device(struct usb_device *dev,
37 			    const struct usb_device_id *id);
38 extern void usb_forced_unbind_intf(struct usb_interface *intf);
39 extern void usb_rebind_intf(struct usb_interface *intf);
40 
41 extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
42 		void *owner);
43 extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
44 		void *owner);
45 extern void usb_hub_release_all_ports(struct usb_device *hdev, void *owner);
46 extern bool usb_device_is_owned(struct usb_device *udev);
47 
48 extern int  usb_hub_init(void);
49 extern void usb_hub_cleanup(void);
50 extern int usb_major_init(void);
51 extern void usb_major_cleanup(void);
52 
53 #ifdef	CONFIG_PM
54 
55 extern int usb_suspend(struct device *dev, pm_message_t msg);
56 extern int usb_resume(struct device *dev, pm_message_t msg);
57 
58 extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
59 extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
60 
61 #else
62 
63 static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
64 {
65 	return 0;
66 }
67 
68 static 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 
77 extern void usb_autosuspend_device(struct usb_device *udev);
78 extern int usb_autoresume_device(struct usb_device *udev);
79 extern int usb_remote_wakeup(struct usb_device *dev);
80 
81 #else
82 
83 #define usb_autosuspend_device(udev)		do {} while (0)
84 static inline int usb_autoresume_device(struct usb_device *udev)
85 {
86 	return 0;
87 }
88 
89 static inline int usb_remote_wakeup(struct usb_device *udev)
90 {
91 	return 0;
92 }
93 
94 #endif
95 
96 extern struct bus_type usb_bus_type;
97 extern struct device_type usb_device_type;
98 extern struct device_type usb_if_device_type;
99 extern struct device_type usb_ep_device_type;
100 extern struct usb_device_driver usb_generic_driver;
101 
102 static inline int is_usb_device(const struct device *dev)
103 {
104 	return dev->type == &usb_device_type;
105 }
106 
107 static inline int is_usb_interface(const struct device *dev)
108 {
109 	return dev->type == &usb_if_device_type;
110 }
111 
112 static inline int is_usb_endpoint(const struct device *dev)
113 {
114 	return dev->type == &usb_ep_device_type;
115 }
116 
117 /* Do the same for device drivers and interface drivers. */
118 
119 static inline int is_usb_device_driver(struct device_driver *drv)
120 {
121 	return container_of(drv, struct usbdrv_wrap, driver)->
122 			for_devices;
123 }
124 
125 
126 /* for labeling diagnostics */
127 extern const char *usbcore_name;
128 
129 /* sysfs stuff */
130 extern const struct attribute_group *usb_device_groups[];
131 extern const struct attribute_group *usb_interface_groups[];
132 
133 /* usbfs stuff */
134 extern struct mutex usbfs_mutex;
135 extern struct usb_driver usbfs_driver;
136 extern const struct file_operations usbfs_devices_fops;
137 extern const struct file_operations usbdev_file_operations;
138 extern void usbfs_conn_disc_event(void);
139 
140 extern int usb_devio_init(void);
141 extern void usb_devio_cleanup(void);
142 
143 /* internal notify stuff */
144 extern void usb_notify_add_device(struct usb_device *udev);
145 extern void usb_notify_remove_device(struct usb_device *udev);
146 extern void usb_notify_add_bus(struct usb_bus *ubus);
147 extern void usb_notify_remove_bus(struct usb_bus *ubus);
148 
149