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gerrit-public.fairphone.software / kernel / msm-5.4 / d388dab7b562b76525761f89702246686747ba30 / . / drivers / usb / core / usb.h
blob: 98675fb1bc4c0ece80bf79b894a08c4ba4acd9f1 [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
43#define usb_resume_both(udev) 0
44#define usb_port_suspend(dev) 0
45#define usb_port_resume(dev) 0
46
47#endif
48
Alan Stern36e56a32006-07-01 22:08:06 -0400[diff] [blame]49extern struct bus_type usb_bus_type;
Alan Stern8bb54ab2006-07-01 22:08:49 -0400[diff] [blame]50extern struct usb_device_driver usb_generic_driver;
51
52/* Here's how we tell apart devices and interfaces. Luckily there's
53 * no such thing as a platform USB device, so we can steal the use
54 * of the platform_data field. */
55
56static inline int is_usb_device(struct device *dev)
57{
58 return dev->platform_data == &usb_generic_driver;
59}
60
61/* Do the same for device drivers and interface drivers. */
62
63static inline int is_usb_device_driver(struct device_driver *drv)
64{
65 return container_of(drv, struct usbdrv_wrap, driver)->
66 for_devices;
67}
David Brownell5edbfb72005-09-22 22:45:26 -0700[diff] [blame]68
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]69/* Interfaces and their "power state" are owned by usbcore */
70
71static inline void mark_active(struct usb_interface *f)
72{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]73 f->is_active = 1;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]74}
75
76static inline void mark_quiesced(struct usb_interface *f)
77{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]78 f->is_active = 0;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]79}
80
81static inline int is_active(struct usb_interface *f)
82{
Alan Stern4d064c02006-07-01 22:11:44 -0400[diff] [blame]83 return f->is_active;
David Brownelldb690872005-09-13 19:56:33 -0700[diff] [blame]84}
85
86
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]87/* for labeling diagnostics */
88extern const char *usbcore_name;
89
90/* usbfs stuff */
Alan Stern4a2a8a22006-07-01 22:05:01 -0400[diff] [blame]91extern struct mutex usbfs_mutex;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]92extern struct usb_driver usbfs_driver;
93extern struct file_operations usbfs_devices_fops;
94extern struct file_operations usbfs_device_file_operations;
95extern void usbfs_conn_disc_event(void);
96
Kay Sieversfbf82fd2005-07-31 01:05:53 +0200[diff] [blame]97extern int usbdev_init(void);
98extern void usbdev_cleanup(void);
Greg KH6d5e8252005-04-18 17:39:24 -0700[diff] [blame]99
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]100struct dev_state {
101 struct list_head list; /* state list */
102 struct usb_device *dev;
103 struct file *file;
104 spinlock_t lock; /* protects the async urb lists */
105 struct list_head async_pending;
106 struct list_head async_completed;
107 wait_queue_head_t wait; /* wake up if a request completed */
108 unsigned int discsignr;
Linus Torvaldsd7dd8a72005-10-10 16:31:30 -0700[diff] [blame]109 pid_t disc_pid;
110 uid_t disc_uid, disc_euid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]111 void __user *disccontext;
112 unsigned long ifclaimed;
David Quigley7a019552006-06-30 01:55:48 -0700[diff] [blame]113 u32 secid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]114};
115
Greg Kroah-Hartman3099e752005-06-20 21:15:16 -0700[diff] [blame]116/* internal notify stuff */
117extern void usb_notify_add_device(struct usb_device *udev);
118extern void usb_notify_remove_device(struct usb_device *udev);
119extern void usb_notify_add_bus(struct usb_bus *ubus);
120extern void usb_notify_remove_bus(struct usb_bus *ubus);
121