blob: 3888778582c4f154ace30f6efa41344cab5f901e [file] [log] [blame]
Alan Stern65bfd292008-11-25 16:39:18 -05001#include <linux/pm.h>
2
Linus Torvalds1da177e2005-04-16 15:20:36 -07003/* Functions local to drivers/usb/core/ */
4
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -08005extern int usb_create_sysfs_dev_files(struct usb_device *dev);
6extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
Michal Nazarewicz643de622011-04-14 17:47:09 +02007extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -08008extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
Alan Stern3b23dd62008-12-05 14:10:34 -05009extern int usb_create_ep_devs(struct device *parent,
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -080010 struct usb_host_endpoint *endpoint,
Greg Kroah-Hartman84412f62006-06-14 12:14:34 -070011 struct usb_device *udev);
Alan Stern3b23dd62008-12-05 14:10:34 -050012extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
Linus Torvalds1da177e2005-04-16 15:20:36 -070013
Alan Sternbdd016b2007-07-30 17:05:22 -040014extern void usb_enable_endpoint(struct usb_device *dev,
Alan Stern2caf7fc2008-12-31 11:31:33 -050015 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);
Alan Sternddeac4e2009-01-15 17:03:33 -050018extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
19 bool reset_hardware);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -080020extern void usb_disable_interface(struct usb_device *dev,
Alan Sternddeac4e2009-01-15 17:03:33 -050021 struct usb_interface *intf, bool reset_hardware);
Linus Torvalds1da177e2005-04-16 15:20:36 -070022extern void usb_release_interface_cache(struct kref *ref);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -080023extern 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 *);
Oliver Neukum7ceec1f2007-01-26 14:26:21 +010026extern void usb_detect_quirks(struct usb_device *udev);
Alan Stern253e0572009-10-27 15:20:13 -040027extern int usb_remove_device(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
29extern int usb_get_device_descriptor(struct usb_device *dev,
30 unsigned int size);
Andiry Xu3148bf02011-09-23 14:19:47 -070031extern int usb_get_bos_descriptor(struct usb_device *dev);
32extern void usb_release_bos_descriptor(struct usb_device *dev);
Alan Stern4f62efe2005-10-24 16:24:14 -040033extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -070034extern int usb_set_configuration(struct usb_device *dev, int configuration);
Greg Kroah-Hartmanb5ea0602007-08-02 22:44:27 -060035extern int usb_choose_configuration(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
Linus Torvalds1da177e2005-04-16 15:20:36 -070037extern void usb_kick_khubd(struct usb_device *dev);
Greg Kroah-Hartmanbb417022007-01-26 14:26:21 +010038extern int usb_match_device(struct usb_device *dev,
39 const struct usb_device_id *id);
Alan Stern78d9a482008-06-23 16:00:40 -040040extern void usb_forced_unbind_intf(struct usb_interface *intf);
41extern void usb_rebind_intf(struct usb_interface *intf);
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
Alan Stern7cbe5dc2009-06-29 10:56:54 -040043extern 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
Greg KH6d5e8252005-04-18 17:39:24 -070050extern int usb_hub_init(void);
51extern void usb_hub_cleanup(void);
52extern int usb_major_init(void);
53extern void usb_major_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -070054
Alan Sternd388dab2006-07-01 22:14:24 -040055#ifdef CONFIG_PM
56
Alan Sternf2189c42008-08-12 14:34:10 -040057extern int usb_suspend(struct device *dev, pm_message_t msg);
Alan Stern65bfd292008-11-25 16:39:18 -050058extern int usb_resume(struct device *dev, pm_message_t msg);
Alan Sternf2189c42008-08-12 14:34:10 -040059
Alan Stern65bfd292008-11-25 16:39:18 -050060extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
61extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
Alan Sterne0318eb2006-09-26 14:50:20 -040062
Alan Sternd388dab2006-07-01 22:14:24 -040063#else
64
Alan Stern65bfd292008-11-25 16:39:18 -050065static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -040066{
67 return 0;
68}
69
Alan Stern65bfd292008-11-25 16:39:18 -050070static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -040071{
72 return 0;
73}
74
Alan Sternd388dab2006-07-01 22:14:24 -040075#endif
76
Alan Stern645daaa2006-08-30 15:47:02 -040077#ifdef CONFIG_USB_SUSPEND
78
Alan Stern94fcda12006-11-20 11:38:46 -050079extern void usb_autosuspend_device(struct usb_device *udev);
80extern int usb_autoresume_device(struct usb_device *udev);
Alan Stern9bbdf1e2010-01-08 12:57:28 -050081extern int usb_remote_wakeup(struct usb_device *dev);
Rafael J. Wysockie1620d52011-03-18 19:55:36 +010082extern int usb_runtime_suspend(struct device *dev);
83extern int usb_runtime_resume(struct device *dev);
84extern int usb_runtime_idle(struct device *dev);
Andiry Xu65580b432011-09-23 14:19:52 -070085extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
Alan Stern645daaa2006-08-30 15:47:02 -040086
87#else
88
Alan Stern19c26232007-02-20 15:03:32 -050089#define usb_autosuspend_device(udev) do {} while (0)
Alan Stern94fcda12006-11-20 11:38:46 -050090static inline int usb_autoresume_device(struct usb_device *udev)
Alan Sterne0318eb2006-09-26 14:50:20 -040091{
92 return 0;
93}
Alan Stern645daaa2006-08-30 15:47:02 -040094
Alan Stern9bbdf1e2010-01-08 12:57:28 -050095static inline int usb_remote_wakeup(struct usb_device *udev)
96{
97 return 0;
98}
99
Andiry Xu65580b432011-09-23 14:19:52 -0700100static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
101{
102 return 0;
103}
Alan Stern645daaa2006-08-30 15:47:02 -0400104#endif
105
Alan Stern36e56a32006-07-01 22:08:06 -0400106extern struct bus_type usb_bus_type;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100107extern struct device_type usb_device_type;
108extern struct device_type usb_if_device_type;
Kay Sievers55129662009-05-04 19:48:32 +0200109extern struct device_type usb_ep_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400110extern struct usb_device_driver usb_generic_driver;
111
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300112static inline int is_usb_device(const struct device *dev)
Alan Stern8bb54ab2006-07-01 22:08:49 -0400113{
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100114 return dev->type == &usb_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400115}
116
Kay Sievers55129662009-05-04 19:48:32 +0200117static inline int is_usb_interface(const struct device *dev)
118{
119 return dev->type == &usb_if_device_type;
120}
121
122static inline int is_usb_endpoint(const struct device *dev)
123{
124 return dev->type == &usb_ep_device_type;
125}
126
Alan Stern8bb54ab2006-07-01 22:08:49 -0400127/* Do the same for device drivers and interface drivers. */
128
129static inline int is_usb_device_driver(struct device_driver *drv)
130{
131 return container_of(drv, struct usbdrv_wrap, driver)->
132 for_devices;
133}
David Brownell5edbfb72005-09-22 22:45:26 -0700134
Oliver Neukum60678b62010-12-19 21:54:48 +0100135/* translate USB error codes to codes user space understands */
136static inline int usb_translate_errors(int error_code)
137{
138 switch (error_code) {
139 case 0:
140 case -ENOMEM:
141 case -ENODEV:
142 return error_code;
143 default:
144 return -EIO;
145 }
146}
147
David Brownelldb690872005-09-13 19:56:33 -0700148
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149/* for labeling diagnostics */
150extern const char *usbcore_name;
151
Alan Stern2e5f10e2008-04-30 15:37:19 -0400152/* sysfs stuff */
David Brownella4dbd672009-06-24 10:06:31 -0700153extern const struct attribute_group *usb_device_groups[];
154extern const struct attribute_group *usb_interface_groups[];
Alan Stern2e5f10e2008-04-30 15:37:19 -0400155
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400157extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300159extern const struct file_operations usbfs_devices_fops;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100160extern const struct file_operations usbdev_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161extern void usbfs_conn_disc_event(void);
162
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100163extern int usb_devio_init(void);
164extern void usb_devio_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700165
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700166/* internal notify stuff */
167extern void usb_notify_add_device(struct usb_device *udev);
168extern void usb_notify_remove_device(struct usb_device *udev);
169extern void usb_notify_add_bus(struct usb_bus *ubus);
170extern void usb_notify_remove_bus(struct usb_bus *ubus);
171