Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* Functions local to drivers/usb/core/ */ |
| 2 | |
Greg Kroah-Hartman | 1b21d5e | 2006-08-28 11:43:25 -0700 | [diff] [blame] | 3 | extern int usb_create_sysfs_dev_files (struct usb_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | extern void usb_remove_sysfs_dev_files (struct usb_device *dev); |
Greg Kroah-Hartman | 1b21d5e | 2006-08-28 11:43:25 -0700 | [diff] [blame] | 5 | extern int usb_create_sysfs_intf_files (struct usb_interface *intf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | extern void usb_remove_sysfs_intf_files (struct usb_interface *intf); |
Greg Kroah-Hartman | 1b21d5e | 2006-08-28 11:43:25 -0700 | [diff] [blame] | 7 | extern int usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint, |
Greg Kroah-Hartman | 84412f6 | 2006-06-14 12:14:34 -0700 | [diff] [blame] | 8 | struct usb_device *udev); |
| 9 | extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
| 11 | extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr); |
| 12 | extern void usb_disable_interface (struct usb_device *dev, |
| 13 | struct usb_interface *intf); |
| 14 | extern void usb_release_interface_cache(struct kref *ref); |
| 15 | extern void usb_disable_device (struct usb_device *dev, int skip_ep0); |
Oliver Neukum | 7ceec1f | 2007-01-26 14:26:21 +0100 | [diff] [blame] | 16 | extern void usb_detect_quirks(struct usb_device *udev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | |
| 18 | extern int usb_get_device_descriptor(struct usb_device *dev, |
| 19 | unsigned int size); |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 20 | extern char *usb_cache_string(struct usb_device *udev, int index); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | extern int usb_set_configuration(struct usb_device *dev, int configuration); |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | extern void usb_kick_khubd(struct usb_device *dev); |
Greg Kroah-Hartman | bb41702 | 2007-01-26 14:26:21 +0100 | [diff] [blame] | 24 | extern int usb_match_device(struct usb_device *dev, |
| 25 | const struct usb_device_id *id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
Greg KH | 6d5e825 | 2005-04-18 17:39:24 -0700 | [diff] [blame] | 27 | extern int usb_hub_init(void); |
| 28 | extern void usb_hub_cleanup(void); |
| 29 | extern int usb_major_init(void); |
| 30 | extern void usb_major_cleanup(void); |
| 31 | extern int usb_host_init(void); |
| 32 | extern void usb_host_cleanup(void); |
| 33 | |
Alan Stern | d388dab | 2006-07-01 22:14:24 -0400 | [diff] [blame] | 34 | #ifdef CONFIG_PM |
| 35 | |
Alan Stern | 718efa6 | 2007-03-09 15:41:13 -0500 | [diff] [blame] | 36 | extern void usb_autosuspend_work(struct work_struct *work); |
Alan Stern | 140d8f6 | 2006-07-01 22:07:21 -0400 | [diff] [blame] | 37 | extern int usb_port_suspend(struct usb_device *dev); |
| 38 | extern int usb_port_resume(struct usb_device *dev); |
Alan Stern | 6b157c9 | 2007-03-13 16:37:30 -0400 | [diff] [blame] | 39 | extern int usb_external_suspend_device(struct usb_device *udev, |
| 40 | pm_message_t msg); |
| 41 | extern int usb_external_resume_device(struct usb_device *udev); |
David Brownell | 5edbfb7 | 2005-09-22 22:45:26 -0700 | [diff] [blame] | 42 | |
Alan Stern | e0318eb | 2006-09-26 14:50:20 -0400 | [diff] [blame] | 43 | static inline void usb_pm_lock(struct usb_device *udev) |
| 44 | { |
| 45 | mutex_lock_nested(&udev->pm_mutex, udev->level); |
| 46 | } |
| 47 | |
| 48 | static inline void usb_pm_unlock(struct usb_device *udev) |
| 49 | { |
| 50 | mutex_unlock(&udev->pm_mutex); |
| 51 | } |
| 52 | |
Alan Stern | d388dab | 2006-07-01 22:14:24 -0400 | [diff] [blame] | 53 | #else |
| 54 | |
Alan Stern | d388dab | 2006-07-01 22:14:24 -0400 | [diff] [blame] | 55 | #define usb_port_suspend(dev) 0 |
| 56 | #define usb_port_resume(dev) 0 |
Alan Stern | e0318eb | 2006-09-26 14:50:20 -0400 | [diff] [blame] | 57 | static inline void usb_pm_lock(struct usb_device *udev) {} |
| 58 | static inline void usb_pm_unlock(struct usb_device *udev) {} |
Alan Stern | d388dab | 2006-07-01 22:14:24 -0400 | [diff] [blame] | 59 | |
| 60 | #endif |
| 61 | |
Alan Stern | 645daaa | 2006-08-30 15:47:02 -0400 | [diff] [blame] | 62 | #ifdef CONFIG_USB_SUSPEND |
| 63 | |
Alan Stern | 94fcda1 | 2006-11-20 11:38:46 -0500 | [diff] [blame] | 64 | extern void usb_autosuspend_device(struct usb_device *udev); |
Alan Stern | 19c2623 | 2007-02-20 15:03:32 -0500 | [diff] [blame] | 65 | extern void usb_try_autosuspend_device(struct usb_device *udev); |
Alan Stern | 94fcda1 | 2006-11-20 11:38:46 -0500 | [diff] [blame] | 66 | extern int usb_autoresume_device(struct usb_device *udev); |
Alan Stern | 645daaa | 2006-08-30 15:47:02 -0400 | [diff] [blame] | 67 | |
| 68 | #else |
| 69 | |
Alan Stern | 19c2623 | 2007-02-20 15:03:32 -0500 | [diff] [blame] | 70 | #define usb_autosuspend_device(udev) do {} while (0) |
| 71 | #define usb_try_autosuspend_device(udev) do {} while (0) |
Alan Stern | 94fcda1 | 2006-11-20 11:38:46 -0500 | [diff] [blame] | 72 | static inline int usb_autoresume_device(struct usb_device *udev) |
Alan Stern | e0318eb | 2006-09-26 14:50:20 -0400 | [diff] [blame] | 73 | { |
| 74 | return 0; |
| 75 | } |
Alan Stern | 645daaa | 2006-08-30 15:47:02 -0400 | [diff] [blame] | 76 | |
| 77 | #endif |
| 78 | |
Alan Stern | bd85928 | 2006-09-19 10:14:07 -0400 | [diff] [blame] | 79 | extern struct workqueue_struct *ksuspend_usb_wq; |
Alan Stern | 36e56a3 | 2006-07-01 22:08:06 -0400 | [diff] [blame] | 80 | extern struct bus_type usb_bus_type; |
Kay Sievers | 9f8b17e | 2007-03-13 15:59:31 +0100 | [diff] [blame] | 81 | extern struct device_type usb_device_type; |
| 82 | extern struct device_type usb_if_device_type; |
Alan Stern | 8bb54ab | 2006-07-01 22:08:49 -0400 | [diff] [blame] | 83 | extern struct usb_device_driver usb_generic_driver; |
| 84 | |
Luiz Fernando N. Capitulino | 095bc33 | 2006-08-26 23:48:11 -0300 | [diff] [blame] | 85 | static inline int is_usb_device(const struct device *dev) |
Alan Stern | 8bb54ab | 2006-07-01 22:08:49 -0400 | [diff] [blame] | 86 | { |
Kay Sievers | 9f8b17e | 2007-03-13 15:59:31 +0100 | [diff] [blame] | 87 | return dev->type == &usb_device_type; |
Alan Stern | 8bb54ab | 2006-07-01 22:08:49 -0400 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | /* Do the same for device drivers and interface drivers. */ |
| 91 | |
| 92 | static inline int is_usb_device_driver(struct device_driver *drv) |
| 93 | { |
| 94 | return container_of(drv, struct usbdrv_wrap, driver)-> |
| 95 | for_devices; |
| 96 | } |
David Brownell | 5edbfb7 | 2005-09-22 22:45:26 -0700 | [diff] [blame] | 97 | |
David Brownell | db69087 | 2005-09-13 19:56:33 -0700 | [diff] [blame] | 98 | /* Interfaces and their "power state" are owned by usbcore */ |
| 99 | |
| 100 | static inline void mark_active(struct usb_interface *f) |
| 101 | { |
Alan Stern | 4d064c0 | 2006-07-01 22:11:44 -0400 | [diff] [blame] | 102 | f->is_active = 1; |
David Brownell | db69087 | 2005-09-13 19:56:33 -0700 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | static inline void mark_quiesced(struct usb_interface *f) |
| 106 | { |
Alan Stern | 4d064c0 | 2006-07-01 22:11:44 -0400 | [diff] [blame] | 107 | f->is_active = 0; |
David Brownell | db69087 | 2005-09-13 19:56:33 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Luiz Fernando N. Capitulino | 095bc33 | 2006-08-26 23:48:11 -0300 | [diff] [blame] | 110 | static inline int is_active(const struct usb_interface *f) |
David Brownell | db69087 | 2005-09-13 19:56:33 -0700 | [diff] [blame] | 111 | { |
Alan Stern | 4d064c0 | 2006-07-01 22:11:44 -0400 | [diff] [blame] | 112 | return f->is_active; |
David Brownell | db69087 | 2005-09-13 19:56:33 -0700 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | /* for labeling diagnostics */ |
| 117 | extern const char *usbcore_name; |
| 118 | |
| 119 | /* usbfs stuff */ |
Alan Stern | 4a2a8a2 | 2006-07-01 22:05:01 -0400 | [diff] [blame] | 120 | extern struct mutex usbfs_mutex; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | extern struct usb_driver usbfs_driver; |
Luiz Fernando N. Capitulino | 066202d | 2006-08-05 20:37:11 -0300 | [diff] [blame] | 122 | extern const struct file_operations usbfs_devices_fops; |
Kay Sievers | 9f8b17e | 2007-03-13 15:59:31 +0100 | [diff] [blame] | 123 | extern const struct file_operations usbdev_file_operations; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | extern void usbfs_conn_disc_event(void); |
| 125 | |
Kay Sievers | 9f8b17e | 2007-03-13 15:59:31 +0100 | [diff] [blame] | 126 | extern int usb_devio_init(void); |
| 127 | extern void usb_devio_cleanup(void); |
Greg KH | 6d5e825 | 2005-04-18 17:39:24 -0700 | [diff] [blame] | 128 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | struct dev_state { |
| 130 | struct list_head list; /* state list */ |
| 131 | struct usb_device *dev; |
| 132 | struct file *file; |
| 133 | spinlock_t lock; /* protects the async urb lists */ |
| 134 | struct list_head async_pending; |
| 135 | struct list_head async_completed; |
| 136 | wait_queue_head_t wait; /* wake up if a request completed */ |
| 137 | unsigned int discsignr; |
Eric W. Biederman | 2425c08 | 2006-10-02 02:17:28 -0700 | [diff] [blame] | 138 | struct pid *disc_pid; |
Linus Torvalds | d7dd8a7 | 2005-10-10 16:31:30 -0700 | [diff] [blame] | 139 | uid_t disc_uid, disc_euid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | void __user *disccontext; |
| 141 | unsigned long ifclaimed; |
David Quigley | 7a01955 | 2006-06-30 01:55:48 -0700 | [diff] [blame] | 142 | u32 secid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | }; |
| 144 | |
Greg Kroah-Hartman | 3099e75 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 145 | /* internal notify stuff */ |
| 146 | extern void usb_notify_add_device(struct usb_device *udev); |
| 147 | extern void usb_notify_remove_device(struct usb_device *udev); |
| 148 | extern void usb_notify_add_bus(struct usb_bus *ubus); |
| 149 | extern void usb_notify_remove_bus(struct usb_bus *ubus); |
| 150 | |