Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* Functions local to drivers/usb/core/ */ |
2 | ||
1b21d5e1 | 3 | extern int usb_create_sysfs_dev_files (struct usb_device *dev); |
1da177e4 | 4 | extern void usb_remove_sysfs_dev_files (struct usb_device *dev); |
1b21d5e1 | 5 | extern int usb_create_sysfs_intf_files (struct usb_interface *intf); |
1da177e4 | 6 | extern void usb_remove_sysfs_intf_files (struct usb_interface *intf); |
1b21d5e1 | 7 | extern int usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint, |
84412f62 GKH |
8 | struct usb_device *udev); |
9 | extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint); | |
1da177e4 | 10 | |
bdd016ba AS |
11 | extern void usb_enable_endpoint(struct usb_device *dev, |
12 | struct usb_host_endpoint *ep); | |
1da177e4 LT |
13 | extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr); |
14 | extern void usb_disable_interface (struct usb_device *dev, | |
15 | struct usb_interface *intf); | |
16 | extern void usb_release_interface_cache(struct kref *ref); | |
17 | extern void usb_disable_device (struct usb_device *dev, int skip_ep0); | |
7ceec1f1 | 18 | extern void usb_detect_quirks(struct usb_device *udev); |
1da177e4 LT |
19 | |
20 | extern int usb_get_device_descriptor(struct usb_device *dev, | |
21 | unsigned int size); | |
4f62efe6 | 22 | extern char *usb_cache_string(struct usb_device *udev, int index); |
1da177e4 LT |
23 | extern int usb_set_configuration(struct usb_device *dev, int configuration); |
24 | ||
1da177e4 | 25 | extern void usb_kick_khubd(struct usb_device *dev); |
bb417020 GKH |
26 | extern int usb_match_device(struct usb_device *dev, |
27 | const struct usb_device_id *id); | |
1da177e4 | 28 | |
6d5e8254 GK |
29 | extern int usb_hub_init(void); |
30 | extern void usb_hub_cleanup(void); | |
31 | extern int usb_major_init(void); | |
32 | extern void usb_major_cleanup(void); | |
33 | extern int usb_host_init(void); | |
34 | extern void usb_host_cleanup(void); | |
35 | ||
d388dab7 AS |
36 | #ifdef CONFIG_PM |
37 | ||
718efa64 | 38 | extern void usb_autosuspend_work(struct work_struct *work); |
140d8f68 AS |
39 | extern int usb_port_suspend(struct usb_device *dev); |
40 | extern int usb_port_resume(struct usb_device *dev); | |
6b157c9b AS |
41 | extern int usb_external_suspend_device(struct usb_device *udev, |
42 | pm_message_t msg); | |
43 | extern int usb_external_resume_device(struct usb_device *udev); | |
5edbfb7c | 44 | |
e0318ebf AS |
45 | static inline void usb_pm_lock(struct usb_device *udev) |
46 | { | |
47 | mutex_lock_nested(&udev->pm_mutex, udev->level); | |
48 | } | |
49 | ||
50 | static inline void usb_pm_unlock(struct usb_device *udev) | |
51 | { | |
52 | mutex_unlock(&udev->pm_mutex); | |
53 | } | |
54 | ||
d388dab7 AS |
55 | #else |
56 | ||
4956eccd AS |
57 | static inline int usb_port_suspend(struct usb_device *udev) |
58 | { | |
59 | return 0; | |
60 | } | |
61 | ||
62 | static inline int usb_port_resume(struct usb_device *udev) | |
63 | { | |
64 | return 0; | |
65 | } | |
66 | ||
e0318ebf AS |
67 | static inline void usb_pm_lock(struct usb_device *udev) {} |
68 | static inline void usb_pm_unlock(struct usb_device *udev) {} | |
d388dab7 AS |
69 | |
70 | #endif | |
71 | ||
645daaab AS |
72 | #ifdef CONFIG_USB_SUSPEND |
73 | ||
94fcda1f | 74 | extern void usb_autosuspend_device(struct usb_device *udev); |
19c26239 | 75 | extern void usb_try_autosuspend_device(struct usb_device *udev); |
94fcda1f | 76 | extern int usb_autoresume_device(struct usb_device *udev); |
645daaab AS |
77 | |
78 | #else | |
79 | ||
19c26239 AS |
80 | #define usb_autosuspend_device(udev) do {} while (0) |
81 | #define usb_try_autosuspend_device(udev) do {} while (0) | |
94fcda1f | 82 | static inline int usb_autoresume_device(struct usb_device *udev) |
e0318ebf AS |
83 | { |
84 | return 0; | |
85 | } | |
645daaab AS |
86 | |
87 | #endif | |
88 | ||
bd859281 | 89 | extern struct workqueue_struct *ksuspend_usb_wq; |
36e56a34 | 90 | extern struct bus_type usb_bus_type; |
9f8b17e6 KS |
91 | extern struct device_type usb_device_type; |
92 | extern struct device_type usb_if_device_type; | |
8bb54ab5 AS |
93 | extern struct usb_device_driver usb_generic_driver; |
94 | ||
095bc335 | 95 | static inline int is_usb_device(const struct device *dev) |
8bb54ab5 | 96 | { |
9f8b17e6 | 97 | return dev->type == &usb_device_type; |
8bb54ab5 AS |
98 | } |
99 | ||
100 | /* Do the same for device drivers and interface drivers. */ | |
101 | ||
102 | static inline int is_usb_device_driver(struct device_driver *drv) | |
103 | { | |
104 | return container_of(drv, struct usbdrv_wrap, driver)-> | |
105 | for_devices; | |
106 | } | |
5edbfb7c | 107 | |
db690874 DB |
108 | /* Interfaces and their "power state" are owned by usbcore */ |
109 | ||
110 | static inline void mark_active(struct usb_interface *f) | |
111 | { | |
4d064c08 | 112 | f->is_active = 1; |
784a6e1c | 113 | f->dev.power.power_state.event = PM_EVENT_ON; |
db690874 DB |
114 | } |
115 | ||
116 | static inline void mark_quiesced(struct usb_interface *f) | |
117 | { | |
4d064c08 | 118 | f->is_active = 0; |
784a6e1c | 119 | f->dev.power.power_state.event = PM_EVENT_SUSPEND; |
db690874 DB |
120 | } |
121 | ||
095bc335 | 122 | static inline int is_active(const struct usb_interface *f) |
db690874 | 123 | { |
4d064c08 | 124 | return f->is_active; |
db690874 DB |
125 | } |
126 | ||
127 | ||
1da177e4 LT |
128 | /* for labeling diagnostics */ |
129 | extern const char *usbcore_name; | |
130 | ||
131 | /* usbfs stuff */ | |
4a2a8a2c | 132 | extern struct mutex usbfs_mutex; |
1da177e4 | 133 | extern struct usb_driver usbfs_driver; |
066202dd | 134 | extern const struct file_operations usbfs_devices_fops; |
9f8b17e6 | 135 | extern const struct file_operations usbdev_file_operations; |
1da177e4 LT |
136 | extern void usbfs_conn_disc_event(void); |
137 | ||
9f8b17e6 KS |
138 | extern int usb_devio_init(void); |
139 | extern void usb_devio_cleanup(void); | |
6d5e8254 | 140 | |
1da177e4 LT |
141 | struct dev_state { |
142 | struct list_head list; /* state list */ | |
143 | struct usb_device *dev; | |
144 | struct file *file; | |
145 | spinlock_t lock; /* protects the async urb lists */ | |
146 | struct list_head async_pending; | |
147 | struct list_head async_completed; | |
148 | wait_queue_head_t wait; /* wake up if a request completed */ | |
149 | unsigned int discsignr; | |
2425c08b | 150 | struct pid *disc_pid; |
d7dd8a72 | 151 | uid_t disc_uid, disc_euid; |
1da177e4 LT |
152 | void __user *disccontext; |
153 | unsigned long ifclaimed; | |
7a01955f | 154 | u32 secid; |
1da177e4 LT |
155 | }; |
156 | ||
3099e75a GKH |
157 | /* internal notify stuff */ |
158 | extern void usb_notify_add_device(struct usb_device *udev); | |
159 | extern void usb_notify_remove_device(struct usb_device *udev); | |
160 | extern void usb_notify_add_bus(struct usb_bus *ubus); | |
161 | extern void usb_notify_remove_bus(struct usb_bus *ubus); | |
162 |