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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 char *usb_cache_string(struct usb_device *udev, int index);
32extern int usb_set_configuration(struct usb_device *dev, int configuration);
33extern int usb_choose_configuration(struct usb_device *udev);
34
35extern void usb_kick_khubd(struct usb_device *dev);
36extern int usb_match_device(struct usb_device *dev,
37 const struct usb_device_id *id);
38extern void usb_forced_unbind_intf(struct usb_interface *intf);
39extern void usb_rebind_intf(struct usb_interface *intf);
40
41extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
42 void *owner);
43extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
44 void *owner);
45extern void usb_hub_release_all_ports(struct usb_device *hdev, void *owner);
46extern bool usb_device_is_owned(struct usb_device *udev);
47
48extern int usb_hub_init(void);
49extern void usb_hub_cleanup(void);
50extern int usb_major_init(void);
51extern void usb_major_cleanup(void);
52
53#ifdef CONFIG_PM
54
55extern int usb_suspend(struct device *dev, pm_message_t msg);
56extern int usb_resume(struct device *dev, pm_message_t msg);
57
58extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
59extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
60
61#else
62
63static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
64{
65 return 0;
66}
67
68static 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
77extern void usb_autosuspend_device(struct usb_device *udev);
78extern int usb_autoresume_device(struct usb_device *udev);
79extern int usb_remote_wakeup(struct usb_device *dev);
80extern int usb_runtime_suspend(struct device *dev);
81extern int usb_runtime_resume(struct device *dev);
82extern int usb_runtime_idle(struct device *dev);
83
84#else
85
86#define usb_autosuspend_device(udev) do {} while (0)
87static inline int usb_autoresume_device(struct usb_device *udev)
88{
89 return 0;
90}
91
92static inline int usb_remote_wakeup(struct usb_device *udev)
93{
94 return 0;
95}
96
97#endif
98
99extern struct bus_type usb_bus_type;
100extern struct device_type usb_device_type;
101extern struct device_type usb_if_device_type;
102extern struct device_type usb_ep_device_type;
103extern struct usb_device_driver usb_generic_driver;
104
105static inline int is_usb_device(const struct device *dev)
106{
107 return dev->type == &usb_device_type;
108}
109
110static inline int is_usb_interface(const struct device *dev)
111{
112 return dev->type == &usb_if_device_type;
113}
114
115static inline int is_usb_endpoint(const struct device *dev)
116{
117 return dev->type == &usb_ep_device_type;
118}
119
120/* Do the same for device drivers and interface drivers. */
121
122static inline int is_usb_device_driver(struct device_driver *drv)
123{
124 return container_of(drv, struct usbdrv_wrap, driver)->
125 for_devices;
126}
127
128/* translate USB error codes to codes user space understands */
129static inline int usb_translate_errors(int error_code)
130{
131 switch (error_code) {
132 case 0:
133 case -ENOMEM:
134 case -ENODEV:
135 return error_code;
136 default:
137 return -EIO;
138 }
139}
140
141
142/* for labeling diagnostics */
143extern const char *usbcore_name;
144
145/* sysfs stuff */
146extern const struct attribute_group *usb_device_groups[];
147extern const struct attribute_group *usb_interface_groups[];
148
149/* usbfs stuff */
150extern struct mutex usbfs_mutex;
151extern struct usb_driver usbfs_driver;
152extern const struct file_operations usbfs_devices_fops;
153extern const struct file_operations usbdev_file_operations;
154extern void usbfs_conn_disc_event(void);
155
156extern int usb_devio_init(void);
157extern void usb_devio_cleanup(void);
158
159/* internal notify stuff */
160extern void usb_notify_add_device(struct usb_device *udev);
161extern void usb_notify_remove_device(struct usb_device *udev);
162extern void usb_notify_add_bus(struct usb_bus *ubus);
163extern void usb_notify_remove_bus(struct usb_bus *ubus);
164
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#ifdef CONFIG_ACPI
160extern int usb_acpi_register(void);
161extern void usb_acpi_unregister(void);
162#else
163static inline int usb_acpi_register(void) { return 0; };
164static inline void usb_acpi_unregister(void) { };
165#endif