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gerrit-public.fairphone.software / kernel / msm-5.4 / 42d8a2d22bbaed80f1ade65a08e4e1097a111d4b / . / drivers / usb / core / usb.h
blob: 5162cb370215dac375c2314d880ee1cbf2ae6f03 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/* Functions local to drivers/usb/core/ */
2
3extern void usb_create_sysfs_dev_files (struct usb_device *dev);
4extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
5extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
6extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
Greg Kroah-Hartman36679ea2006-06-14 12:14:34 -0700[diff] [blame]7extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
Greg Kroah-Hartman84412f62006-06-14 12:14:34 -0700[diff] [blame]8 struct usb_device *udev);
9extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]10
11extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
12extern void usb_disable_interface (struct usb_device *dev,
13 struct usb_interface *intf);
14extern void usb_release_interface_cache(struct kref *ref);
15extern void usb_disable_device (struct usb_device *dev, int skip_ep0);
16
17extern int usb_get_device_descriptor(struct usb_device *dev,
18 unsigned int size);
Alan Stern4f62efe2005-10-24 16:24:14 -0400[diff] [blame]19extern char *usb_cache_string(struct usb_device *udev, int index);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]20extern int usb_set_configuration(struct usb_device *dev, int configuration);
21
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]22extern void usb_kick_khubd(struct usb_device *dev);
David Brownell979d5192005-09-22 22:32:24 -0700[diff] [blame]23extern void usb_suspend_root_hub(struct usb_device *hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]24extern void usb_resume_root_hub(struct usb_device *dev);
25
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]26extern int usb_hub_init(void);
27extern void usb_hub_cleanup(void);
28extern int usb_major_init(void);
29extern void usb_major_cleanup(void);
30extern int usb_host_init(void);
31extern void usb_host_cleanup(void);
32
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]33#ifdef CONFIG_PM
34
Alan Sterna8e7c562006-07-01 22:11:02 -0400[diff] [blame]35extern int usb_suspend_both(struct usb_device *udev, pm_message_t msg);
36extern int usb_resume_both(struct usb_device *udev);
Alan Stern140d8f62006-07-01 22:07:21 -0400[diff] [blame]37extern int usb_port_suspend(struct usb_device *dev);
38extern int usb_port_resume(struct usb_device *dev);
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]39
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]40#else
41
42#define usb_suspend_both(udev, msg) 0
Alexey Dobriyan42d8a2d2006-08-20 18:58:42 +0400[diff] [blame^]43static inline int usb_resume_both(struct usb_device *udev)
44{
45 return 0;
46}
Alan Sternd388dab2006-07-01 22:14:24 -0400[diff] [blame]47#define usb_port_suspend(dev) 0
48#define usb_port_resume(dev) 0
49
50#endif
51
Alan Stern36e56a32006-07-01 22:08:06 -0400[diff] [blame]52extern struct bus_type usb_bus_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]53extern struct usb_device_driver usb_generic_driver;
54
55/* Here's how we tell apart devices and interfaces. Luckily there's
56 * no such thing as a platform USB device, so we can steal the use
57 * of the platform_data field. */
58
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]59static inline int is_usb_device(const struct device *dev)
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]60{
61 return dev->platform_data == &usb_generic_driver;
62}
63
64/* Do the same for device drivers and interface drivers. */
65
66static inline int is_usb_device_driver(struct device_driver *drv)
67{
68 return container_of(drv, struct usbdrv_wrap, driver)->
69 for_devices;
70}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]71
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]72/* Interfaces and their "power state" are owned by usbcore */
73
74static inline void mark_active(struct usb_interface *f)
75{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]76 f->is_active = 1;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]77}
78
79static inline void mark_quiesced(struct usb_interface *f)
80{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]81 f->is_active = 0;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]82}
83
Luiz Fernando N. Capitulino095bc332006-08-26 23:48:11 -0300[diff] [blame]84static inline int is_active(const struct usb_interface *f)
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]85{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]86 return f->is_active;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]87}
88
89
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]90/* for labeling diagnostics */
91extern const char *usbcore_name;
92
93/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]94extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]95extern struct usb_driver usbfs_driver;
Luiz Fernando N. Capitulino066202d2006-08-05 20:37:11 -0300[diff] [blame]96extern const struct file_operations usbfs_devices_fops;
97extern const struct file_operations usbfs_device_file_operations;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]98extern void usbfs_conn_disc_event(void);
99
Kay Sieversfbf82fd2005-07-31 01:05:53 +0200[diff] [blame]100extern int usbdev_init(void);
101extern void usbdev_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]102
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]103struct dev_state {
104 struct list_head list; /* state list */
105 struct usb_device *dev;
106 struct file *file;
107 spinlock_t lock; /* protects the async urb lists */
108 struct list_head async_pending;
109 struct list_head async_completed;
110 wait_queue_head_t wait; /* wake up if a request completed */
111 unsigned int discsignr;
Linus Torvaldsd7dd8a72005-10-10 16:31:30 -0700[diff] [blame]112 pid_t disc_pid;
113 uid_t disc_uid, disc_euid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]114 void __user *disccontext;
115 unsigned long ifclaimed;
David Quigley7a019552006-06-30 01:55:48 -0700[diff] [blame]116 u32 secid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]117};
118
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]119/* internal notify stuff */
120extern void usb_notify_add_device(struct usb_device *udev);
121extern void usb_notify_remove_device(struct usb_device *udev);
122extern void usb_notify_add_bus(struct usb_bus *ubus);
123extern void usb_notify_remove_bus(struct usb_bus *ubus);
124