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gerrit-public.fairphone.software / fp2-dev / kernel / msm / a22c50c302c58ba2d1d2846e85239ba80da61a56 / . / drivers / usb / core / usb.h
blob: 9a1a45ac3add0ba9ab582d713a6341ee6df311c7 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/* Functions local to drivers/usb/core/ */
2
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]3extern int usb_create_sysfs_dev_files(struct usb_device *dev);
4extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
5extern int usb_create_sysfs_intf_files(struct usb_interface *intf);
6extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
7extern int usb_create_ep_files(struct device *parent,
8 struct usb_host_endpoint *endpoint,
Greg Kroah-Hartman84412f62006-06-14 12:14:34 -0700[diff] [blame]9 struct usb_device *udev);
10extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]11
Alan Sternbdd016b2007-07-30 17:05:22 -0400[diff] [blame]12extern void usb_enable_endpoint(struct usb_device *dev,
13 struct usb_host_endpoint *ep);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]14extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr);
15extern void usb_disable_interface(struct usb_device *dev,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]16 struct usb_interface *intf);
17extern void usb_release_interface_cache(struct kref *ref);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]18extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
19extern int usb_deauthorize_device(struct usb_device *);
20extern int usb_authorize_device(struct usb_device *);
Oliver Neukum7ceec1f2007-01-26 14:26:21 +0100[diff] [blame]21extern void usb_detect_quirks(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]22
23extern int usb_get_device_descriptor(struct usb_device *dev,
24 unsigned int size);
Alan Stern4f62efe2005-10-24 16:24:14 -0400[diff] [blame]25extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26extern int usb_set_configuration(struct usb_device *dev, int configuration);
Greg Kroah-Hartmanb5ea0602007-08-02 22:44:27 -0600[diff] [blame]27extern int usb_choose_configuration(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]28
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]29extern void usb_kick_khubd(struct usb_device *dev);
Greg Kroah-Hartmanbb417022007-01-26 14:26:21 +0100[diff] [blame]30extern int usb_match_device(struct usb_device *dev,
31 const struct usb_device_id *id);
Alan Stern78d9a482008-06-23 16:00:40 -0400[diff] [blame]32extern void usb_forced_unbind_intf(struct usb_interface *intf);
33extern void usb_rebind_intf(struct usb_interface *intf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]34
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]35extern int usb_hub_init(void);
36extern void usb_hub_cleanup(void);
37extern int usb_major_init(void);
38extern void usb_major_cleanup(void);
39extern int usb_host_init(void);
40extern void usb_host_cleanup(void);
41
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]42#ifdef CONFIG_PM
43
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]44extern int usb_suspend(struct device *dev, pm_message_t msg);
45extern int usb_resume(struct device *dev);
46
Alan Stern718efa62007-03-09 15:41:13 -0500[diff] [blame]47extern void usb_autosuspend_work(struct work_struct *work);
Alan Stern140d8f62006-07-01 22:07:21 -0400[diff] [blame]48extern int usb_port_suspend(struct usb_device *dev);
49extern int usb_port_resume(struct usb_device *dev);
Alan Stern6b157c92007-03-13 16:37:30 -0400[diff] [blame]50extern int usb_external_suspend_device(struct usb_device *udev,
51 pm_message_t msg);
52extern int usb_external_resume_device(struct usb_device *udev);
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]53
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]54static inline void usb_pm_lock(struct usb_device *udev)
55{
56 mutex_lock_nested(&udev->pm_mutex, udev->level);
57}
58
59static inline void usb_pm_unlock(struct usb_device *udev)
60{
61 mutex_unlock(&udev->pm_mutex);
62}
63
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]64#else
65
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]66static inline int usb_port_suspend(struct usb_device *udev)
67{
68 return 0;
69}
70
71static inline int usb_port_resume(struct usb_device *udev)
72{
73 return 0;
74}
75
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]76static inline void usb_pm_lock(struct usb_device *udev) {}
77static inline void usb_pm_unlock(struct usb_device *udev) {}
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]78
79#endif
80
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]81#ifdef CONFIG_USB_SUSPEND
82
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]83extern void usb_autosuspend_device(struct usb_device *udev);
Alan Stern19c26232007-02-20 15:03:32 -0500[diff] [blame]84extern void usb_try_autosuspend_device(struct usb_device *udev);
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]85extern int usb_autoresume_device(struct usb_device *udev);
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]86
87#else
88
Alan Stern19c26232007-02-20 15:03:32 -0500[diff] [blame]89#define usb_autosuspend_device(udev) do {} while (0)
90#define usb_try_autosuspend_device(udev) do {} while (0)
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]91static inline int usb_autoresume_device(struct usb_device *udev)
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]92{
93 return 0;
94}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]95
96#endif
97
Alan Sternbd859282006-09-19 10:14:07 -0400[diff] [blame]98extern struct workqueue_struct *ksuspend_usb_wq;
Alan Stern36e56a32006-07-01 22:08:06 -0400[diff] [blame]99extern struct bus_type usb_bus_type;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]100extern struct device_type usb_device_type;
101extern struct device_type usb_if_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]102extern struct usb_device_driver usb_generic_driver;
103
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]104static inline int is_usb_device(const struct device *dev)
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]105{
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]106 return dev->type == &usb_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]107}
108
109/* Do the same for device drivers and interface drivers. */
110
111static inline int is_usb_device_driver(struct device_driver *drv)
112{
113 return container_of(drv, struct usbdrv_wrap, driver)->
114 for_devices;
115}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]116
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]117/* Interfaces and their "power state" are owned by usbcore */
118
119static inline void mark_active(struct usb_interface *f)
120{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]121 f->is_active = 1;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]122}
123
124static inline void mark_quiesced(struct usb_interface *f)
125{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]126 f->is_active = 0;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]127}
128
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]129static inline int is_active(const struct usb_interface *f)
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]130{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]131 return f->is_active;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]132}
133
134
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]135/* for labeling diagnostics */
136extern const char *usbcore_name;
137
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]138/* sysfs stuff */
139extern struct attribute_group *usb_device_groups[];
140extern struct attribute_group *usb_interface_groups[];
141
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]142/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]143extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]144extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300[diff] [blame]145extern const struct file_operations usbfs_devices_fops;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]146extern const struct file_operations usbdev_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]147extern void usbfs_conn_disc_event(void);
Alan Sterncd9f0372008-06-24 14:47:04 -0400[diff] [blame]148extern void usb_fs_classdev_common_remove(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]149
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]150extern int usb_devio_init(void);
151extern void usb_devio_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]152
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]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