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gerrit-public.fairphone.software / kernel / msm-4.9 / 2d2a316765d956bc5cb6bb367b2ec52ca59ab8e9 / . / drivers / usb / core / usb.h
blob: 457255a3306a3c2837674d22aa9560bf30842220 [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;
Valentina Manea9b6f0c42014-03-10 10:36:40 +0200[diff] [blame]5struct usb_dev_state;
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]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);
Alan Stern4f62efe2005-10-24 16:24:14 -0400[diff] [blame]38extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39extern int usb_set_configuration(struct usb_device *dev, int configuration);
Greg Kroah-Hartmanb5ea0602007-08-02 22:44:27 -0600[diff] [blame]40extern int usb_choose_configuration(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]41
Sebastian Andrzej Siewior8d8479d2012-12-18 15:25:46 +0100[diff] [blame]42static inline unsigned usb_get_max_power(struct usb_device *udev,
43 struct usb_host_config *c)
44{
45 /* SuperSpeed power is in 8 mA units; others are in 2 mA units */
46 unsigned mul = (udev->speed == USB_SPEED_SUPER ? 8 : 2);
47
48 return c->desc.bMaxPower * mul;
49}
50
Petr Mladek59d48b32014-09-19 17:32:22 +0200[diff] [blame]51extern void usb_kick_hub_wq(struct usb_device *dev);
Laurent Pinchart80da2e02012-07-19 12:39:13 +0200[diff] [blame]52extern int usb_match_one_id_intf(struct usb_device *dev,
53 struct usb_host_interface *intf,
54 const struct usb_device_id *id);
Greg Kroah-Hartmanbb417022007-01-26 14:26:21 +0100[diff] [blame]55extern int usb_match_device(struct usb_device *dev,
56 const struct usb_device_id *id);
Alan Stern78d9a482008-06-23 16:00:40 -0400[diff] [blame]57extern void usb_forced_unbind_intf(struct usb_interface *intf);
Alan Stern6aec0442014-03-12 11:30:38 -0400[diff] [blame]58extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]59
Lan Tianyu336c5c32012-07-06 14:13:52 +0800[diff] [blame]60extern void usb_hub_release_all_ports(struct usb_device *hdev,
Valentina Manea9b6f0c42014-03-10 10:36:40 +0200[diff] [blame]61 struct usb_dev_state *owner);
Alan Stern7cbe5dc2009-06-29 10:56:54 -0400[diff] [blame]62extern bool usb_device_is_owned(struct usb_device *udev);
63
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]64extern int usb_hub_init(void);
65extern void usb_hub_cleanup(void);
66extern int usb_major_init(void);
67extern void usb_major_cleanup(void);
Lu Baolu2d2a3162015-06-16 09:08:26 +0800[diff] [blame^]68extern int usb_device_supports_lpm(struct usb_device *udev);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]69
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]70#ifdef CONFIG_PM
71
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]72extern int usb_suspend(struct device *dev, pm_message_t msg);
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]73extern int usb_resume(struct device *dev, pm_message_t msg);
Oliver Neukum98d9a822012-01-11 08:38:35 +0100[diff] [blame]74extern int usb_resume_complete(struct device *dev);
Alan Sternf2189c42008-08-12 14:34:10 -0400[diff] [blame]75
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]76extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
77extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]78
Rafael J. Wysockiceb6c9c2014-11-29 23:47:05 +0100[diff] [blame]79extern void usb_autosuspend_device(struct usb_device *udev);
80extern int usb_autoresume_device(struct usb_device *udev);
81extern int usb_remote_wakeup(struct usb_device *dev);
82extern int usb_runtime_suspend(struct device *dev);
83extern int usb_runtime_resume(struct device *dev);
84extern int usb_runtime_idle(struct device *dev);
85extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable);
86
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]87#else
88
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]89static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]90{
91 return 0;
92}
93
Alan Stern65bfd292008-11-25 16:39:18 -0500[diff] [blame]94static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
Alan Stern4956ecc2007-05-30 16:51:28 -0400[diff] [blame]95{
96 return 0;
97}
98
Alan Stern19c26232007-02-20 15:03:32 -0500[diff] [blame]99#define usb_autosuspend_device(udev) do {} while (0)
Alan Stern94fcda12006-11-20 11:38:46 -0500[diff] [blame]100static inline int usb_autoresume_device(struct usb_device *udev)
Alan Sterne0318eb2006-09-26 14:50:20 -0400[diff] [blame]101{
102 return 0;
103}
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]104
Andiry Xu65580b432011-09-23 14:19:52 -0700[diff] [blame]105static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable)
106{
107 return 0;
108}
Rafael J. Wysockiceb6c9c2014-11-29 23:47:05 +0100[diff] [blame]109
Alan Stern645daaa2006-08-30 15:47:02 -0400[diff] [blame]110#endif
111
Alan Stern36e56a32006-07-01 22:08:06 -0400[diff] [blame]112extern struct bus_type usb_bus_type;
Dan Williamsd8521af2014-05-20 18:08:28 -0700[diff] [blame]113extern struct mutex usb_port_peer_mutex;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]114extern struct device_type usb_device_type;
115extern struct device_type usb_if_device_type;
Kay Sievers55129662009-05-04 19:48:32 +0200[diff] [blame]116extern struct device_type usb_ep_device_type;
Lan Tianyud5575422012-09-05 13:44:33 +0800[diff] [blame]117extern struct device_type usb_port_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
Lan Tianyud5575422012-09-05 13:44:33 +0800[diff] [blame]135static inline int is_usb_port(const struct device *dev)
136{
137 return dev->type == &usb_port_device_type;
138}
139
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]140/* Do the same for device drivers and interface drivers. */
141
142static inline int is_usb_device_driver(struct device_driver *drv)
143{
144 return container_of(drv, struct usbdrv_wrap, driver)->
145 for_devices;
146}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]147
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]148/* for labeling diagnostics */
149extern const char *usbcore_name;
150
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]151/* sysfs stuff */
David Brownella4dbd672009-06-24 10:06:31 -0700[diff] [blame]152extern const struct attribute_group *usb_device_groups[];
153extern const struct attribute_group *usb_interface_groups[];
Alan Stern2e5f10e2008-04-30 15:37:19 -0400[diff] [blame]154
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]155/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]156extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]157extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300[diff] [blame]158extern const struct file_operations usbfs_devices_fops;
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]159extern const struct file_operations usbdev_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]160extern void usbfs_conn_disc_event(void);
161
Kay Sievers9f8b17e2007-03-13 15:59:31 +0100[diff] [blame]162extern int usb_devio_init(void);
163extern void usb_devio_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]164
Dan Williams3bfd6592014-05-20 18:08:40 -0700[diff] [blame]165/*
166 * Firmware specific cookie identifying a port's location. '0' == no location
167 * data available
168 */
169typedef u32 usb_port_location_t;
170
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]171/* internal notify stuff */
172extern void usb_notify_add_device(struct usb_device *udev);
173extern void usb_notify_remove_device(struct usb_device *udev);
174extern void usb_notify_add_bus(struct usb_bus *ubus);
175extern void usb_notify_remove_bus(struct usb_bus *ubus);
Lan Tianyud2123fd2013-01-21 22:18:00 +0800[diff] [blame]176extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev,
177 struct usb_hub_descriptor *desc);
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]178
Matthew Garrettda0af6e2012-05-11 16:08:27 +0800[diff] [blame]179#ifdef CONFIG_ACPI
180extern int usb_acpi_register(void);
181extern void usb_acpi_unregister(void);
Lan Tianyud5575422012-09-05 13:44:33 +0800[diff] [blame]182extern acpi_handle usb_get_hub_port_acpi_handle(struct usb_device *hdev,
183 int port1);
Matthew Garrettda0af6e2012-05-11 16:08:27 +0800[diff] [blame]184#else
185static inline int usb_acpi_register(void) { return 0; };
186static inline void usb_acpi_unregister(void) { };
187#endif