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gerrit-public.fairphone.software / kernel / msm-4.9 / 8ca9844f105acf6981751e39c1ac1a240afe5a2b / . / drivers / usb / core / usb.h
blob: d44d4b7bbf17432d127594e01e55f200da76fb0d [file] [log] [blame]
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]1#include <linux/pm.h>
2
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]3/* Functions local to drivers/usb/core/ */
4
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]5extern 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 +0200[diff] [blame]7extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]8extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
Alan Stern3b23dd62008-12-05 14:10:34 -0500[diff] [blame]9extern int usb_create_ep_devs(struct device *parent,
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]10 struct usb_host_endpoint *endpoint,
Greg Kroah-Hartman84412f62006-06-14 12:14:34 -0700[diff] [blame]11 struct usb_device *udev);
Alan Stern3b23dd62008-12-05 14:10:34 -0500[diff] [blame]12extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]13
Alan Sternbdd016b2007-07-30 17:05:22 -0400[diff] [blame]14extern void usb_enable_endpoint(struct usb_device *dev,
Alan Stern2caf7fc2008-12-31 11:31:33 -0500[diff] [blame]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);
Alan Sternddeac4e72009-01-15 17:03:33 -0500[diff] [blame]18extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
19 bool reset_hardware);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]20extern void usb_disable_interface(struct usb_device *dev,
Alan Sternddeac4e72009-01-15 17:03:33 -0500[diff] [blame]21 struct usb_interface *intf, bool reset_hardware);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]22extern void usb_release_interface_cache(struct kref *ref);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]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 *);
Oliver Neukum7ceec1f2007-01-26 14:26:21 +0100[diff] [blame]26extern void usb_detect_quirks(struct usb_device *udev);
Alan Stern253e0572009-10-27 15:20:13 -0400[diff] [blame]27extern int usb_remove_device(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]28
29extern int usb_get_device_descriptor(struct usb_device *dev,
30 unsigned int size);
Alan Stern4f62efe2005-10-24 16:24:14 -0400[diff] [blame]31extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]32extern int usb_set_configuration(struct usb_device *dev, int configuration);
Greg Kroah-Hartmanb5ea0602007-08-02 22:44:27 -0600[diff] [blame]33extern int usb_choose_configuration(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]34
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]35extern void usb_kick_khubd(struct usb_device *dev);
Greg Kroah-Hartmanbb417022007-01-26 14:26:21 +0100[diff] [blame]36extern int usb_match_device(struct usb_device *dev,
37 const struct usb_device_id *id);
Alan Stern78d9a482008-06-23 16:00:40 -0400[diff] [blame]38extern void usb_forced_unbind_intf(struct usb_interface *intf);
39extern void usb_rebind_intf(struct usb_interface *intf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]40
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]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
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]48extern int usb_hub_init(void);
49extern void usb_hub_cleanup(void);
50extern int usb_major_init(void);
51extern void usb_major_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]52
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]53#ifdef CONFIG_PM
54
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]55extern int usb_suspend(struct device *dev, pm_message_t msg);
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]56extern int usb_resume(struct device *dev, pm_message_t msg);
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]57
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]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);
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]60
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]61#else
62
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]63static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]64{
65 return 0;
66}
67
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]68static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]69{
70 return 0;
71}
72
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]73#endif
74
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]75#ifdef CONFIG_USB_SUSPEND
76
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]77extern void usb_autosuspend_device(struct usb_device *udev);
78extern int usb_autoresume_device(struct usb_device *udev);
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]79extern int usb_remote_wakeup(struct usb_device *dev);
Rafael J. Wysockie1620d52011-03-18 19:55:36 +0100[diff] [blame]80extern int usb_runtime_suspend(struct device *dev);
81extern int usb_runtime_resume(struct device *dev);
82extern int usb_runtime_idle(struct device *dev);
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]83
84#else
85
Alan Stern19c26232007-02-20 15:03:32 -0500[diff] [blame]86#define usb_autosuspend_device(udev) do {} while (0)
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]87static inline int usb_autoresume_device(struct usb_device *udev)
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]88{
89 return 0;
90}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]91
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]92static inline int usb_remote_wakeup(struct usb_device *udev)
93{
94 return 0;
95}
96
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]97#endif
98
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;
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]102extern struct device_type usb_ep_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]103extern struct usb_device_driver usb_generic_driver;
104
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]105static inline int is_usb_device(const struct device *dev)
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]106{
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]107 return dev->type == &usb_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]108}
109
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]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
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]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}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]127
Oliver Neukum60678b62010-12-19 21:54:48 +0100[diff] [blame]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
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]141
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]142/* for labeling diagnostics */
143extern const char *usbcore_name;
144
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]145/* sysfs stuff */
David Brownella4dbd672009-06-24 10:06:31 -0700[diff] [blame]146extern const struct attribute_group *usb_device_groups[];
147extern const struct attribute_group *usb_interface_groups[];
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]148
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]149/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]150extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]151extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300[diff] [blame]152extern const struct file_operations usbfs_devices_fops;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]153extern const struct file_operations usbdev_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]154extern void usbfs_conn_disc_event(void);
155
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]156extern int usb_devio_init(void);
157extern void usb_devio_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]158
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]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