Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-5.4 / ff823c79a5c33194c2e5594f7c4686ea3547910c / . / drivers / usb / core / usb.h
blob: acb103c5c391190e83ee66e3d837f80ad14f72e8 [file] [log] [blame]
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]1#include <linux/pm.h>
2
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]3struct dev_state;
4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]5/* Functions local to drivers/usb/core/ */
6
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]7extern int usb_create_sysfs_dev_files(struct usb_device *dev);
8extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
Michal Nazarewicz643de622011-04-14 17:47:09 +0200[diff] [blame]9extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]10extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
Alan Stern3b23dd62008-12-05 14:10:34 -0500[diff] [blame]11extern int usb_create_ep_devs(struct device *parent,
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]12 struct usb_host_endpoint *endpoint,
Greg Kroah-Hartman84412f62006-06-14 12:14:34 -0700[diff] [blame]13 struct usb_device *udev);
Alan Stern3b23dd62008-12-05 14:10:34 -0500[diff] [blame]14extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]15
Alan Sternbdd016b2007-07-30 17:05:22 -0400[diff] [blame]16extern void usb_enable_endpoint(struct usb_device *dev,
Alan Stern2caf7fc2008-12-31 11:31:33 -0500[diff] [blame]17 struct usb_host_endpoint *ep, bool reset_toggle);
18extern void usb_enable_interface(struct usb_device *dev,
19 struct usb_interface *intf, bool reset_toggles);
Alan Sternddeac4e2009-01-15 17:03:33 -0500[diff] [blame]20extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
21 bool reset_hardware);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]22extern void usb_disable_interface(struct usb_device *dev,
Alan Sternddeac4e2009-01-15 17:03:33 -0500[diff] [blame]23 struct usb_interface *intf, bool reset_hardware);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]24extern void usb_release_interface_cache(struct kref *ref);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]25extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
26extern int usb_deauthorize_device(struct usb_device *);
27extern int usb_authorize_device(struct usb_device *);
Oliver Neukum7ceec1f2007-01-26 14:26:21 +0100[diff] [blame]28extern void usb_detect_quirks(struct usb_device *udev);
Laurent Pinchart80da2e02012-07-19 12:39:13 +0200[diff] [blame]29extern void usb_detect_interface_quirks(struct usb_device *udev);
Alan Stern253e0572009-10-27 15:20:13 -0400[diff] [blame]30extern int usb_remove_device(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]31
32extern int usb_get_device_descriptor(struct usb_device *dev,
33 unsigned int size);
Andiry Xu3148bf02011-09-23 14:19:47 -0700[diff] [blame]34extern int usb_get_bos_descriptor(struct usb_device *dev);
35extern void usb_release_bos_descriptor(struct usb_device *dev);
Alan Stern4f62efe2005-10-24 16:24:14 -0400[diff] [blame]36extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]37extern int usb_set_configuration(struct usb_device *dev, int configuration);
Greg Kroah-Hartmanb5ea0602007-08-02 22:44:27 -0600[diff] [blame]38extern int usb_choose_configuration(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]40extern void usb_kick_khubd(struct usb_device *dev);
Laurent Pinchart80da2e02012-07-19 12:39:13 +0200[diff] [blame]41extern int usb_match_one_id_intf(struct usb_device *dev,
42 struct usb_host_interface *intf,
43 const struct usb_device_id *id);
Greg Kroah-Hartmanbb417022007-01-26 14:26:21 +0100[diff] [blame]44extern int usb_match_device(struct usb_device *dev,
45 const struct usb_device_id *id);
Alan Stern78d9a482008-06-23 16:00:40 -0400[diff] [blame]46extern void usb_forced_unbind_intf(struct usb_interface *intf);
47extern void usb_rebind_intf(struct usb_interface *intf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]48
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]49extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]50 struct dev_state *owner);
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]51extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]52 struct dev_state *owner);
53extern void usb_hub_release_all_ports(struct usb_device *hdev,
54 struct dev_state *owner);
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]55extern bool usb_device_is_owned(struct usb_device *udev);
56
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]57extern int usb_hub_init(void);
58extern void usb_hub_cleanup(void);
59extern int usb_major_init(void);
60extern void usb_major_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]61
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]62#ifdef CONFIG_PM
63
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]64extern int usb_suspend(struct device *dev, pm_message_t msg);
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]65extern int usb_resume(struct device *dev, pm_message_t msg);
Oliver Neukum98d9a822012-01-11 08:38:35 +0100[diff] [blame]66extern int usb_resume_complete(struct device *dev);
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]67
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]68extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
69extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]70
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]71#else
72
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]73static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]74{
75 return 0;
76}
77
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]78static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]79{
80 return 0;
81}
82
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]83#endif
84
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]85#ifdef CONFIG_USB_SUSPEND
86
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]87extern void usb_autosuspend_device(struct usb_device *udev);
88extern int usb_autoresume_device(struct usb_device *udev);
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]89extern int usb_remote_wakeup(struct usb_device *dev);
Rafael J. Wysockie1620d52011-03-18 19:55:36 +0100[diff] [blame]90extern int usb_runtime_suspend(struct device *dev);
91extern int usb_runtime_resume(struct device *dev);
92extern int usb_runtime_idle(struct device *dev);
Andiry Xu65580b432011-09-23 14:19:52 -0700[diff] [blame]93extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]94
95#else
96
Alan Stern19c26232007-02-20 15:03:32 -0500[diff] [blame]97#define usb_autosuspend_device(udev) do {} while (0)
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]98static inline int usb_autoresume_device(struct usb_device *udev)
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]99{
100 return 0;
101}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]102
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]103static inline int usb_remote_wakeup(struct usb_device *udev)
104{
105 return 0;
106}
107
Andiry Xu65580b432011-09-23 14:19:52 -0700[diff] [blame]108static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
109{
110 return 0;
111}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]112#endif
113
Alan Stern36e56a32006-07-01 22:08:06 -0400[diff] [blame]114extern struct bus_type usb_bus_type;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]115extern struct device_type usb_device_type;
116extern struct device_type usb_if_device_type;
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]117extern struct device_type usb_ep_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]118extern struct usb_device_driver usb_generic_driver;
119
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]120static inline int is_usb_device(const struct device *dev)
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]121{
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]122 return dev->type == &usb_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]123}
124
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]125static inline int is_usb_interface(const struct device *dev)
126{
127 return dev->type == &usb_if_device_type;
128}
129
130static inline int is_usb_endpoint(const struct device *dev)
131{
132 return dev->type == &usb_ep_device_type;
133}
134
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]135/* Do the same for device drivers and interface drivers. */
136
137static inline int is_usb_device_driver(struct device_driver *drv)
138{
139 return container_of(drv, struct usbdrv_wrap, driver)->
140 for_devices;
141}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]142
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]143/* for labeling diagnostics */
144extern const char *usbcore_name;
145
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]146/* sysfs stuff */
David Brownella4dbd672009-06-24 10:06:31 -0700[diff] [blame]147extern const struct attribute_group *usb_device_groups[];
148extern const struct attribute_group *usb_interface_groups[];
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]149
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]150/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]151extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]152extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300[diff] [blame]153extern const struct file_operations usbfs_devices_fops;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]154extern const struct file_operations usbdev_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]155extern void usbfs_conn_disc_event(void);
156
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]157extern int usb_devio_init(void);
158extern void usb_devio_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]159
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]160/* internal notify stuff */
161extern void usb_notify_add_device(struct usb_device *udev);
162extern void usb_notify_remove_device(struct usb_device *udev);
163extern void usb_notify_add_bus(struct usb_bus *ubus);
164extern void usb_notify_remove_bus(struct usb_bus *ubus);
165
Matthew Garrettda0af6e2012-05-11 16:08:27 +0800[diff] [blame]166#ifdef CONFIG_ACPI
167extern int usb_acpi_register(void);
168extern void usb_acpi_unregister(void);
169#else
170static inline int usb_acpi_register(void) { return 0; };
171static inline void usb_acpi_unregister(void) { };
172#endif