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gerrit-public.fairphone.software / kernel / msm-4.19 / 98d9a82e5f753a2483d7b4638802d60e94e5d2e4 / . / drivers / usb / core / usb.h
blob: 71648dcbe4386a98cf5e571516b3186d3b3ba749 [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 Sternddeac4e2009-01-15 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 Sternddeac4e2009-01-15 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);
Andiry Xu3148bf02011-09-23 14:19:47 -0700[diff] [blame]31extern 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 -0400[diff] [blame]33extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]34extern int usb_set_configuration(struct usb_device *dev, int configuration);
Greg Kroah-Hartmanb5ea0602007-08-02 22:44:27 -0600[diff] [blame]35extern int usb_choose_configuration(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]37extern void usb_kick_khubd(struct usb_device *dev);
Greg Kroah-Hartmanbb417022007-01-26 14:26:21 +0100[diff] [blame]38extern int usb_match_device(struct usb_device *dev,
39 const struct usb_device_id *id);
Alan Stern78d9a482008-06-23 16:00:40 -0400[diff] [blame]40extern 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 -0700[diff] [blame]42
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]43extern 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 -0700[diff] [blame]50extern 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 -0700[diff] [blame]54
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]55#ifdef CONFIG_PM
56
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]57extern int usb_suspend(struct device *dev, pm_message_t msg);
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]58extern int usb_resume(struct device *dev, pm_message_t msg);
Oliver Neukum98d9a822012-01-11 08:38:35 +0100[diff] [blame^]59extern int usb_resume_complete(struct device *dev);
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]60
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]61extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
62extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]63
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]64#else
65
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]66static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]67{
68 return 0;
69}
70
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]71static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]72{
73 return 0;
74}
75
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]76#endif
77
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]78#ifdef CONFIG_USB_SUSPEND
79
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]80extern void usb_autosuspend_device(struct usb_device *udev);
81extern int usb_autoresume_device(struct usb_device *udev);
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]82extern int usb_remote_wakeup(struct usb_device *dev);
Rafael J. Wysockie1620d52011-03-18 19:55:36 +0100[diff] [blame]83extern int usb_runtime_suspend(struct device *dev);
84extern int usb_runtime_resume(struct device *dev);
85extern int usb_runtime_idle(struct device *dev);
Andiry Xu65580b432011-09-23 14:19:52 -0700[diff] [blame]86extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]87
88#else
89
Alan Stern19c26232007-02-20 15:03:32 -0500[diff] [blame]90#define usb_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
Alan Stern9bbdf1e2010-01-08 12:57:28 -0500[diff] [blame]96static inline int usb_remote_wakeup(struct usb_device *udev)
97{
98 return 0;
99}
100
Andiry Xu65580b432011-09-23 14:19:52 -0700[diff] [blame]101static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
102{
103 return 0;
104}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]105#endif
106
Alan Stern36e56a32006-07-01 22:08:06 -0400[diff] [blame]107extern struct bus_type usb_bus_type;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]108extern struct device_type usb_device_type;
109extern struct device_type usb_if_device_type;
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]110extern struct device_type usb_ep_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]111extern struct usb_device_driver usb_generic_driver;
112
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]113static inline int is_usb_device(const struct device *dev)
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]114{
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]115 return dev->type == &usb_device_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]116}
117
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]118static inline int is_usb_interface(const struct device *dev)
119{
120 return dev->type == &usb_if_device_type;
121}
122
123static inline int is_usb_endpoint(const struct device *dev)
124{
125 return dev->type == &usb_ep_device_type;
126}
127
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]128/* Do the same for device drivers and interface drivers. */
129
130static inline int is_usb_device_driver(struct device_driver *drv)
131{
132 return container_of(drv, struct usbdrv_wrap, driver)->
133 for_devices;
134}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]135
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]136/* for labeling diagnostics */
137extern const char *usbcore_name;
138
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]139/* sysfs stuff */
David Brownella4dbd672009-06-24 10:06:31 -0700[diff] [blame]140extern const struct attribute_group *usb_device_groups[];
141extern const struct attribute_group *usb_interface_groups[];
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]142
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]143/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]144extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]145extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300[diff] [blame]146extern const struct file_operations usbfs_devices_fops;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]147extern const struct file_operations usbdev_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]148extern void usbfs_conn_disc_event(void);
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