This source file includes following definitions.
- usb_get_max_power
- usb_port_suspend
- usb_port_resume
- usb_autoresume_device
- usb_enable_usb2_hardware_lpm
- usb_disable_usb2_hardware_lpm
- is_usb_device
- is_usb_interface
- is_usb_endpoint
- is_usb_port
- is_root_hub
- is_usb_device_driver
- usb_acpi_register
- usb_acpi_unregister
1
2
3
4
5
6 #include <linux/pm.h>
7 #include <linux/acpi.h>
8
9 struct usb_hub_descriptor;
10 struct usb_dev_state;
11
12
13
14 extern int usb_create_sysfs_dev_files(struct usb_device *dev);
15 extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
16 extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
17 extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
18 extern int usb_create_ep_devs(struct device *parent,
19 struct usb_host_endpoint *endpoint,
20 struct usb_device *udev);
21 extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
22
23 extern void usb_enable_endpoint(struct usb_device *dev,
24 struct usb_host_endpoint *ep, bool reset_toggle);
25 extern void usb_enable_interface(struct usb_device *dev,
26 struct usb_interface *intf, bool reset_toggles);
27 extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
28 bool reset_hardware);
29 extern void usb_disable_interface(struct usb_device *dev,
30 struct usb_interface *intf, bool reset_hardware);
31 extern void usb_release_interface_cache(struct kref *ref);
32 extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
33 extern int usb_deauthorize_device(struct usb_device *);
34 extern int usb_authorize_device(struct usb_device *);
35 extern void usb_deauthorize_interface(struct usb_interface *);
36 extern void usb_authorize_interface(struct usb_interface *);
37 extern void usb_detect_quirks(struct usb_device *udev);
38 extern void usb_detect_interface_quirks(struct usb_device *udev);
39 extern void usb_release_quirk_list(void);
40 extern bool usb_endpoint_is_blacklisted(struct usb_device *udev,
41 struct usb_host_interface *intf,
42 struct usb_endpoint_descriptor *epd);
43 extern int usb_remove_device(struct usb_device *udev);
44
45 extern int usb_get_device_descriptor(struct usb_device *dev,
46 unsigned int size);
47 extern int usb_set_isoch_delay(struct usb_device *dev);
48 extern int usb_get_bos_descriptor(struct usb_device *dev);
49 extern void usb_release_bos_descriptor(struct usb_device *dev);
50 extern char *usb_cache_string(struct usb_device *udev, int index);
51 extern int usb_set_configuration(struct usb_device *dev, int configuration);
52 extern int usb_choose_configuration(struct usb_device *udev);
53
54 static inline unsigned usb_get_max_power(struct usb_device *udev,
55 struct usb_host_config *c)
56 {
57
58 unsigned mul = (udev->speed >= USB_SPEED_SUPER ? 8 : 2);
59
60 return c->desc.bMaxPower * mul;
61 }
62
63 extern void usb_kick_hub_wq(struct usb_device *dev);
64 extern int usb_match_one_id_intf(struct usb_device *dev,
65 struct usb_host_interface *intf,
66 const struct usb_device_id *id);
67 extern int usb_match_device(struct usb_device *dev,
68 const struct usb_device_id *id);
69 extern void usb_forced_unbind_intf(struct usb_interface *intf);
70 extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);
71
72 extern void usb_hub_release_all_ports(struct usb_device *hdev,
73 struct usb_dev_state *owner);
74 extern bool usb_device_is_owned(struct usb_device *udev);
75
76 extern int usb_hub_init(void);
77 extern void usb_hub_cleanup(void);
78 extern int usb_major_init(void);
79 extern void usb_major_cleanup(void);
80 extern int usb_device_supports_lpm(struct usb_device *udev);
81 extern int usb_port_disable(struct usb_device *udev);
82
83 #ifdef CONFIG_PM
84
85 extern int usb_suspend(struct device *dev, pm_message_t msg);
86 extern int usb_resume(struct device *dev, pm_message_t msg);
87 extern int usb_resume_complete(struct device *dev);
88
89 extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
90 extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
91
92 extern void usb_autosuspend_device(struct usb_device *udev);
93 extern int usb_autoresume_device(struct usb_device *udev);
94 extern int usb_remote_wakeup(struct usb_device *dev);
95 extern int usb_runtime_suspend(struct device *dev);
96 extern int usb_runtime_resume(struct device *dev);
97 extern int usb_runtime_idle(struct device *dev);
98 extern int usb_enable_usb2_hardware_lpm(struct usb_device *udev);
99 extern int usb_disable_usb2_hardware_lpm(struct usb_device *udev);
100
101 extern void usbfs_notify_suspend(struct usb_device *udev);
102 extern void usbfs_notify_resume(struct usb_device *udev);
103
104 #else
105
106 static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
107 {
108 return 0;
109 }
110
111 static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
112 {
113 return 0;
114 }
115
116 #define usb_autosuspend_device(udev) do {} while (0)
117 static inline int usb_autoresume_device(struct usb_device *udev)
118 {
119 return 0;
120 }
121
122 static inline int usb_enable_usb2_hardware_lpm(struct usb_device *udev)
123 {
124 return 0;
125 }
126
127 static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev)
128 {
129 return 0;
130 }
131
132 #endif
133
134 extern struct bus_type usb_bus_type;
135 extern struct mutex usb_port_peer_mutex;
136 extern struct device_type usb_device_type;
137 extern struct device_type usb_if_device_type;
138 extern struct device_type usb_ep_device_type;
139 extern struct device_type usb_port_device_type;
140 extern struct usb_device_driver usb_generic_driver;
141
142 static inline int is_usb_device(const struct device *dev)
143 {
144 return dev->type == &usb_device_type;
145 }
146
147 static inline int is_usb_interface(const struct device *dev)
148 {
149 return dev->type == &usb_if_device_type;
150 }
151
152 static inline int is_usb_endpoint(const struct device *dev)
153 {
154 return dev->type == &usb_ep_device_type;
155 }
156
157 static inline int is_usb_port(const struct device *dev)
158 {
159 return dev->type == &usb_port_device_type;
160 }
161
162 static inline int is_root_hub(struct usb_device *udev)
163 {
164 return (udev->parent == NULL);
165 }
166
167
168
169 static inline int is_usb_device_driver(struct device_driver *drv)
170 {
171 return container_of(drv, struct usbdrv_wrap, driver)->
172 for_devices;
173 }
174
175
176 extern const char *usbcore_name;
177
178
179 extern const struct attribute_group *usb_device_groups[];
180 extern const struct attribute_group *usb_interface_groups[];
181
182
183 extern struct usb_driver usbfs_driver;
184 extern const struct file_operations usbfs_devices_fops;
185 extern const struct file_operations usbdev_file_operations;
186 extern void usbfs_conn_disc_event(void);
187
188 extern int usb_devio_init(void);
189 extern void usb_devio_cleanup(void);
190
191
192
193
194
195 typedef u32 usb_port_location_t;
196
197
198 extern void usb_notify_add_device(struct usb_device *udev);
199 extern void usb_notify_remove_device(struct usb_device *udev);
200 extern void usb_notify_add_bus(struct usb_bus *ubus);
201 extern void usb_notify_remove_bus(struct usb_bus *ubus);
202 extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev,
203 struct usb_hub_descriptor *desc);
204
205 #ifdef CONFIG_ACPI
206 extern int usb_acpi_register(void);
207 extern void usb_acpi_unregister(void);
208 extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
209 int port1);
210 #else
211 static inline int usb_acpi_register(void) { return 0; };
212 static inline void usb_acpi_unregister(void) { };
213 #endif