2 #include <linux/acpi.h>
4 struct usb_hub_descriptor
;
7 /* Functions local to drivers/usb/core/ */
9 extern int usb_create_sysfs_dev_files(struct usb_device
*dev
);
10 extern void usb_remove_sysfs_dev_files(struct usb_device
*dev
);
11 extern void usb_create_sysfs_intf_files(struct usb_interface
*intf
);
12 extern void usb_remove_sysfs_intf_files(struct usb_interface
*intf
);
13 extern int usb_create_ep_devs(struct device
*parent
,
14 struct usb_host_endpoint
*endpoint
,
15 struct usb_device
*udev
);
16 extern void usb_remove_ep_devs(struct usb_host_endpoint
*endpoint
);
18 extern void usb_enable_endpoint(struct usb_device
*dev
,
19 struct usb_host_endpoint
*ep
, bool reset_toggle
);
20 extern void usb_enable_interface(struct usb_device
*dev
,
21 struct usb_interface
*intf
, bool reset_toggles
);
22 extern void usb_disable_endpoint(struct usb_device
*dev
, unsigned int epaddr
,
24 extern void usb_disable_interface(struct usb_device
*dev
,
25 struct usb_interface
*intf
, bool reset_hardware
);
26 extern void usb_release_interface_cache(struct kref
*ref
);
27 extern void usb_disable_device(struct usb_device
*dev
, int skip_ep0
);
28 extern int usb_deauthorize_device(struct usb_device
*);
29 extern int usb_authorize_device(struct usb_device
*);
30 extern void usb_detect_quirks(struct usb_device
*udev
);
31 extern void usb_detect_interface_quirks(struct usb_device
*udev
);
32 extern int usb_remove_device(struct usb_device
*udev
);
34 extern int usb_get_device_descriptor(struct usb_device
*dev
,
36 extern int usb_get_bos_descriptor(struct usb_device
*dev
);
37 extern void usb_release_bos_descriptor(struct usb_device
*dev
);
38 extern char *usb_cache_string(struct usb_device
*udev
, int index
);
39 extern int usb_set_configuration(struct usb_device
*dev
, int configuration
);
40 extern int usb_choose_configuration(struct usb_device
*udev
);
42 static inline unsigned usb_get_max_power(struct usb_device
*udev
,
43 struct usb_host_config
*c
)
45 /* SuperSpeed power is in 8 mA units; others are in 2 mA units */
46 unsigned mul
= (udev
->speed
== USB_SPEED_SUPER
? 8 : 2);
48 return c
->desc
.bMaxPower
* mul
;
51 extern void usb_kick_khubd(struct usb_device
*dev
);
52 extern int usb_match_one_id_intf(struct usb_device
*dev
,
53 struct usb_host_interface
*intf
,
54 const struct usb_device_id
*id
);
55 extern int usb_match_device(struct usb_device
*dev
,
56 const struct usb_device_id
*id
);
57 extern void usb_forced_unbind_intf(struct usb_interface
*intf
);
58 extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device
*udev
);
60 extern void usb_hub_release_all_ports(struct usb_device
*hdev
,
61 struct usb_dev_state
*owner
);
62 extern bool usb_device_is_owned(struct usb_device
*udev
);
64 extern int usb_hub_init(void);
65 extern void usb_hub_cleanup(void);
66 extern int usb_major_init(void);
67 extern void usb_major_cleanup(void);
71 extern int usb_suspend(struct device
*dev
, pm_message_t msg
);
72 extern int usb_resume(struct device
*dev
, pm_message_t msg
);
73 extern int usb_resume_complete(struct device
*dev
);
75 extern int usb_port_suspend(struct usb_device
*dev
, pm_message_t msg
);
76 extern int usb_port_resume(struct usb_device
*dev
, pm_message_t msg
);
80 static inline int usb_port_suspend(struct usb_device
*udev
, pm_message_t msg
)
85 static inline int usb_port_resume(struct usb_device
*udev
, pm_message_t msg
)
92 #ifdef CONFIG_PM_RUNTIME
94 extern void usb_autosuspend_device(struct usb_device
*udev
);
95 extern int usb_autoresume_device(struct usb_device
*udev
);
96 extern int usb_remote_wakeup(struct usb_device
*dev
);
97 extern int usb_runtime_suspend(struct device
*dev
);
98 extern int usb_runtime_resume(struct device
*dev
);
99 extern int usb_runtime_idle(struct device
*dev
);
100 extern int usb_set_usb2_hardware_lpm(struct usb_device
*udev
, int enable
);
104 #define usb_autosuspend_device(udev) do {} while (0)
105 static inline int usb_autoresume_device(struct usb_device
*udev
)
110 static inline int usb_remote_wakeup(struct usb_device
*udev
)
115 static inline int usb_set_usb2_hardware_lpm(struct usb_device
*udev
, int enable
)
121 extern struct bus_type usb_bus_type
;
122 extern struct device_type usb_device_type
;
123 extern struct device_type usb_if_device_type
;
124 extern struct device_type usb_ep_device_type
;
125 extern struct device_type usb_port_device_type
;
126 extern struct usb_device_driver usb_generic_driver
;
128 static inline int is_usb_device(const struct device
*dev
)
130 return dev
->type
== &usb_device_type
;
133 static inline int is_usb_interface(const struct device
*dev
)
135 return dev
->type
== &usb_if_device_type
;
138 static inline int is_usb_endpoint(const struct device
*dev
)
140 return dev
->type
== &usb_ep_device_type
;
143 static inline int is_usb_port(const struct device
*dev
)
145 return dev
->type
== &usb_port_device_type
;
148 /* Do the same for device drivers and interface drivers. */
150 static inline int is_usb_device_driver(struct device_driver
*drv
)
152 return container_of(drv
, struct usbdrv_wrap
, driver
)->
156 /* for labeling diagnostics */
157 extern const char *usbcore_name
;
160 extern const struct attribute_group
*usb_device_groups
[];
161 extern const struct attribute_group
*usb_interface_groups
[];
164 extern struct mutex usbfs_mutex
;
165 extern struct usb_driver usbfs_driver
;
166 extern const struct file_operations usbfs_devices_fops
;
167 extern const struct file_operations usbdev_file_operations
;
168 extern void usbfs_conn_disc_event(void);
170 extern int usb_devio_init(void);
171 extern void usb_devio_cleanup(void);
173 /* internal notify stuff */
174 extern void usb_notify_add_device(struct usb_device
*udev
);
175 extern void usb_notify_remove_device(struct usb_device
*udev
);
176 extern void usb_notify_add_bus(struct usb_bus
*ubus
);
177 extern void usb_notify_remove_bus(struct usb_bus
*ubus
);
178 extern enum usb_port_connect_type
179 usb_get_hub_port_connect_type(struct usb_device
*hdev
, int port1
);
180 extern void usb_set_hub_port_connect_type(struct usb_device
*hdev
, int port1
,
181 enum usb_port_connect_type type
);
182 extern void usb_hub_adjust_deviceremovable(struct usb_device
*hdev
,
183 struct usb_hub_descriptor
*desc
);
186 extern int usb_acpi_register(void);
187 extern void usb_acpi_unregister(void);
188 extern acpi_handle
usb_get_hub_port_acpi_handle(struct usb_device
*hdev
,
191 static inline int usb_acpi_register(void) { return 0; };
192 static inline void usb_acpi_unregister(void) { };