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gerrit-public.fairphone.software / kernel / msm-4.9 / 6c48acfb2affa8b2aed810bb67888e0d1720a884 / . / drivers / usb / core / usb.h
blob: c49383669cd87ce4dda9b996fd9b3f1caf03bd2b [file] [log] [blame]
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]1#include <linux/pm.h>
Lan Tianyud5575422012-09-05 13:44:33 +0800[diff] [blame]2#include <linux/acpi.h>
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]3
Lan Tianyud2123fd2013-01-21 22:18:00 +0800[diff] [blame]4struct usb_hub_descriptor;
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]5struct dev_state;
6
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]7/* Functions local to drivers/usb/core/ */
8
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]9extern int usb_create_sysfs_dev_files(struct usb_device *dev);
10extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
Michal Nazarewicz643de622011-04-14 17:47:09 +0200[diff] [blame]11extern void usb_create_sysfs_intf_files(struct usb_interface *intf);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]12extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
Alan Stern3b23dd62008-12-05 14:10:34 -0500[diff] [blame]13extern int usb_create_ep_devs(struct device *parent,
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]14 struct usb_host_endpoint *endpoint,
Greg Kroah-Hartman84412f62006-06-14 12:14:34 -0700[diff] [blame]15 struct usb_device *udev);
Alan Stern3b23dd62008-12-05 14:10:34 -0500[diff] [blame]16extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]17
Alan Sternbdd016b2007-07-30 17:05:22 -0400[diff] [blame]18extern void usb_enable_endpoint(struct usb_device *dev,
Alan Stern2caf7fc2008-12-31 11:31:33 -0500[diff] [blame]19 struct usb_host_endpoint *ep, bool reset_toggle);
20extern void usb_enable_interface(struct usb_device *dev,
21 struct usb_interface *intf, bool reset_toggles);
Alan Sternddeac4e72009-01-15 17:03:33 -0500[diff] [blame]22extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
23 bool reset_hardware);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]24extern void usb_disable_interface(struct usb_device *dev,
Alan Sternddeac4e72009-01-15 17:03:33 -0500[diff] [blame]25 struct usb_interface *intf, bool reset_hardware);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26extern void usb_release_interface_cache(struct kref *ref);
Greg Kroah-Hartman84cca822008-01-30 15:21:33 -0800[diff] [blame]27extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
28extern int usb_deauthorize_device(struct usb_device *);
29extern int usb_authorize_device(struct usb_device *);
Oliver Neukum7ceec1f2007-01-26 14:26:21 +0100[diff] [blame]30extern void usb_detect_quirks(struct usb_device *udev);
Laurent Pinchart80da2e02012-07-19 12:39:13 +0200[diff] [blame]31extern void usb_detect_interface_quirks(struct usb_device *udev);
Alan Stern253e0572009-10-27 15:20:13 -0400[diff] [blame]32extern int usb_remove_device(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]33
34extern int usb_get_device_descriptor(struct usb_device *dev,
35 unsigned int size);
Andiry Xu3148bf02011-09-23 14:19:47 -0700[diff] [blame]36extern int usb_get_bos_descriptor(struct usb_device *dev);
37extern void usb_release_bos_descriptor(struct usb_device *dev);
Xenia Ragiadakou9df89d82013-08-31 18:09:12 +0300[diff] [blame]38extern int usb_device_supports_lpm(struct usb_device *udev);
Alan Stern4f62efe2005-10-24 16:24:14 -0400[diff] [blame]39extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]40extern int usb_set_configuration(struct usb_device *dev, int configuration);
Greg Kroah-Hartmanb5ea0602007-08-02 22:44:27 -0600[diff] [blame]41extern int usb_choose_configuration(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]42
Sebastian Andrzej Siewior8d8479d2012-12-18 15:25:46 +0100[diff] [blame]43static inline unsigned usb_get_max_power(struct usb_device *udev,
44 struct usb_host_config *c)
45{
46 /* SuperSpeed power is in 8 mA units; others are in 2 mA units */
47 unsigned mul = (udev->speed == USB_SPEED_SUPER ? 8 : 2);
48
49 return c->desc.bMaxPower * mul;
50}
51
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]52extern void usb_kick_khubd(struct usb_device *dev);
Laurent Pinchart80da2e02012-07-19 12:39:13 +0200[diff] [blame]53extern int usb_match_one_id_intf(struct usb_device *dev,
54 struct usb_host_interface *intf,
55 const struct usb_device_id *id);
Greg Kroah-Hartmanbb417022007-01-26 14:26:21 +0100[diff] [blame]56extern int usb_match_device(struct usb_device *dev,
57 const struct usb_device_id *id);
Alan Stern78d9a482008-06-23 16:00:40 -0400[diff] [blame]58extern void usb_forced_unbind_intf(struct usb_interface *intf);
59extern void usb_rebind_intf(struct usb_interface *intf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]60
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]61extern int usb_hub_claim_port(struct usb_device *hdev, unsigned port,
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]62 struct dev_state *owner);
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]63extern int usb_hub_release_port(struct usb_device *hdev, unsigned port,
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]64 struct dev_state *owner);
65extern void usb_hub_release_all_ports(struct usb_device *hdev,
66 struct dev_state *owner);
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]67extern bool usb_device_is_owned(struct usb_device *udev);
68
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]69extern int usb_hub_init(void);
70extern void usb_hub_cleanup(void);
71extern int usb_major_init(void);
72extern void usb_major_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]73
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]74#ifdef CONFIG_PM
75
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]76extern int usb_suspend(struct device *dev, pm_message_t msg);
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]77extern int usb_resume(struct device *dev, pm_message_t msg);
Oliver Neukum98d9a822012-01-11 08:38:35 +0100[diff] [blame]78extern int usb_resume_complete(struct device *dev);
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]79
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]80extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
81extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]82
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]83#else
84
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]85static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]86{
87 return 0;
88}
89
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]90static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]91{
92 return 0;
93}
94
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]95#endif
96
Alan Stern84ebc102013-03-27 16:14:46 -0400[diff] [blame]97#ifdef CONFIG_PM_RUNTIME
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]98
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]99extern void usb_autosuspend_device(struct usb_device *udev);
100extern int usb_autoresume_device(struct usb_device *udev);
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]101extern int usb_remote_wakeup(struct usb_device *dev);
Rafael J. Wysockie1620d52011-03-18 19:55:36 +0100[diff] [blame]102extern int usb_runtime_suspend(struct device *dev);
103extern int usb_runtime_resume(struct device *dev);
104extern int usb_runtime_idle(struct device *dev);
Andiry Xu65580b432011-09-23 14:19:52 -0700[diff] [blame]105extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]106
107#else
108
Alan Stern19c26232007-02-20 15:03:32 -0500[diff] [blame]109#define usb_autosuspend_device(udev) do {} while (0)
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]110static inline int usb_autoresume_device(struct usb_device *udev)
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]111{
112 return 0;
113}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]114
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]115static inline int usb_remote_wakeup(struct usb_device *udev)
116{
117 return 0;
118}
119
Andiry Xu65580b432011-09-23 14:19:52 -0700[diff] [blame]120static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
121{
122 return 0;
123}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]124#endif
125
Alan Stern36e56a32006-07-01 22:08:06 -0400[diff] [blame]126extern struct bus_type usb_bus_type;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]127extern struct device_type usb_device_type;
128extern struct device_type usb_if_device_type;
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]129extern struct device_type usb_ep_device_type;
Lan Tianyud5575422012-09-05 13:44:33 +0800[diff] [blame]130extern struct device_type usb_port_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]131extern struct usb_device_driver usb_generic_driver;
132
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]133static inline int is_usb_device(const struct device *dev)
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]134{
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]135 return dev->type == &usb_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]136}
137
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]138static inline int is_usb_interface(const struct device *dev)
139{
140 return dev->type == &usb_if_device_type;
141}
142
143static inline int is_usb_endpoint(const struct device *dev)
144{
145 return dev->type == &usb_ep_device_type;
146}
147
Lan Tianyud5575422012-09-05 13:44:33 +0800[diff] [blame]148static inline int is_usb_port(const struct device *dev)
149{
150 return dev->type == &usb_port_device_type;
151}
152
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]153/* Do the same for device drivers and interface drivers. */
154
155static inline int is_usb_device_driver(struct device_driver *drv)
156{
157 return container_of(drv, struct usbdrv_wrap, driver)->
158 for_devices;
159}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]160
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]161/* for labeling diagnostics */
162extern const char *usbcore_name;
163
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]164/* sysfs stuff */
David Brownella4dbd672009-06-24 10:06:31 -0700[diff] [blame]165extern const struct attribute_group *usb_device_groups[];
166extern const struct attribute_group *usb_interface_groups[];
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]167
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]168/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]169extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]170extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300[diff] [blame]171extern const struct file_operations usbfs_devices_fops;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]172extern const struct file_operations usbdev_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]173extern void usbfs_conn_disc_event(void);
174
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]175extern int usb_devio_init(void);
176extern void usb_devio_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]177
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]178/* internal notify stuff */
179extern void usb_notify_add_device(struct usb_device *udev);
180extern void usb_notify_remove_device(struct usb_device *udev);
181extern void usb_notify_add_bus(struct usb_bus *ubus);
182extern void usb_notify_remove_bus(struct usb_bus *ubus);
Lan Tianyu05f91682012-09-05 13:44:34 +0800[diff] [blame]183extern enum usb_port_connect_type
184 usb_get_hub_port_connect_type(struct usb_device *hdev, int port1);
185extern void usb_set_hub_port_connect_type(struct usb_device *hdev, int port1,
186 enum usb_port_connect_type type);
Lan Tianyud2123fd2013-01-21 22:18:00 +0800[diff] [blame]187extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev,
188 struct usb_hub_descriptor *desc);
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]189
Matthew Garrettda0af6e2012-05-11 16:08:27 +0800[diff] [blame]190#ifdef CONFIG_ACPI
191extern int usb_acpi_register(void);
192extern void usb_acpi_unregister(void);
Lan Tianyud5575422012-09-05 13:44:33 +0800[diff] [blame]193extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
194 int port1);
Matthew Garrettda0af6e2012-05-11 16:08:27 +0800[diff] [blame]195#else
196static inline int usb_acpi_register(void) { return 0; };
197static inline void usb_acpi_unregister(void) { };
198#endif