+#include <linux/pm.h>
+
/* Functions local to drivers/usb/core/ */
-extern void usb_create_sysfs_dev_files (struct usb_device *dev);
-extern void usb_remove_sysfs_dev_files (struct usb_device *dev);
-extern void usb_create_sysfs_intf_files (struct usb_interface *intf);
-extern void usb_remove_sysfs_intf_files (struct usb_interface *intf);
-extern void usb_create_ep_files(struct device *parent, struct usb_host_endpoint *endpoint,
+extern int usb_create_sysfs_dev_files(struct usb_device *dev);
+extern void usb_remove_sysfs_dev_files(struct usb_device *dev);
+extern int usb_create_sysfs_intf_files(struct usb_interface *intf);
+extern void usb_remove_sysfs_intf_files(struct usb_interface *intf);
+extern int usb_create_ep_devs(struct device *parent,
+ struct usb_host_endpoint *endpoint,
struct usb_device *udev);
-extern void usb_remove_ep_files(struct usb_host_endpoint *endpoint);
-
-extern void usb_disable_endpoint (struct usb_device *dev, unsigned int epaddr);
-extern void usb_disable_interface (struct usb_device *dev,
- struct usb_interface *intf);
+extern void usb_remove_ep_devs(struct usb_host_endpoint *endpoint);
+
+extern void usb_enable_endpoint(struct usb_device *dev,
+ struct usb_host_endpoint *ep, bool reset_toggle);
+extern void usb_enable_interface(struct usb_device *dev,
+ struct usb_interface *intf, bool reset_toggles);
+extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
+ bool reset_hardware);
+extern void usb_disable_interface(struct usb_device *dev,
+ struct usb_interface *intf, bool reset_hardware);
extern void usb_release_interface_cache(struct kref *ref);
-extern void usb_disable_device (struct usb_device *dev, int skip_ep0);
+extern void usb_disable_device(struct usb_device *dev, int skip_ep0);
+extern int usb_deauthorize_device(struct usb_device *);
+extern int usb_authorize_device(struct usb_device *);
+extern void usb_detect_quirks(struct usb_device *udev);
extern int usb_get_device_descriptor(struct usb_device *dev,
unsigned int size);
extern char *usb_cache_string(struct usb_device *udev, int index);
extern int usb_set_configuration(struct usb_device *dev, int configuration);
+extern int usb_choose_configuration(struct usb_device *udev);
extern void usb_kick_khubd(struct usb_device *dev);
-extern void usb_suspend_root_hub(struct usb_device *hdev);
-extern void usb_resume_root_hub(struct usb_device *dev);
+extern int usb_match_device(struct usb_device *dev,
+ const struct usb_device_id *id);
+extern void usb_forced_unbind_intf(struct usb_interface *intf);
+extern void usb_rebind_intf(struct usb_interface *intf);
extern int usb_hub_init(void);
extern void usb_hub_cleanup(void);
extern int usb_host_init(void);
extern void usb_host_cleanup(void);
-extern int usb_suspend_device(struct usb_device *dev);
-extern int usb_resume_device(struct usb_device *dev);
+#ifdef CONFIG_PM
+
+extern int usb_suspend(struct device *dev, pm_message_t msg);
+extern int usb_resume(struct device *dev, pm_message_t msg);
+
+extern void usb_autosuspend_work(struct work_struct *work);
+extern void usb_autoresume_work(struct work_struct *work);
+extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
+extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
+extern int usb_external_suspend_device(struct usb_device *udev,
+ pm_message_t msg);
+extern int usb_external_resume_device(struct usb_device *udev,
+ pm_message_t msg);
+
+static inline void usb_pm_lock(struct usb_device *udev)
+{
+ mutex_lock_nested(&udev->pm_mutex, udev->level);
+}
+
+static inline void usb_pm_unlock(struct usb_device *udev)
+{
+ mutex_unlock(&udev->pm_mutex);
+}
+
+#else
+
+static inline int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
+{
+ return 0;
+}
+
+static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
+{
+ return 0;
+}
+
+static inline void usb_pm_lock(struct usb_device *udev) {}
+static inline void usb_pm_unlock(struct usb_device *udev) {}
+
+#endif
+
+#ifdef CONFIG_USB_SUSPEND
+
+extern void usb_autosuspend_device(struct usb_device *udev);
+extern void usb_try_autosuspend_device(struct usb_device *udev);
+extern int usb_autoresume_device(struct usb_device *udev);
+
+#else
+
+#define usb_autosuspend_device(udev) do {} while (0)
+#define usb_try_autosuspend_device(udev) do {} while (0)
+static inline int usb_autoresume_device(struct usb_device *udev)
+{
+ return 0;
+}
+
+#endif
-extern struct device_driver usb_generic_driver;
-extern int usb_generic_driver_data;
-extern int usb_device_match(struct device *dev, struct device_driver *drv);
+extern struct workqueue_struct *ksuspend_usb_wq;
+extern struct bus_type usb_bus_type;
+extern struct device_type usb_device_type;
+extern struct device_type usb_if_device_type;
+extern struct usb_device_driver usb_generic_driver;
+
+static inline int is_usb_device(const struct device *dev)
+{
+ return dev->type == &usb_device_type;
+}
+
+/* Do the same for device drivers and interface drivers. */
+
+static inline int is_usb_device_driver(struct device_driver *drv)
+{
+ return container_of(drv, struct usbdrv_wrap, driver)->
+ for_devices;
+}
/* Interfaces and their "power state" are owned by usbcore */
static inline void mark_active(struct usb_interface *f)
{
- f->dev.power.power_state.event = PM_EVENT_ON;
+ f->is_active = 1;
}
static inline void mark_quiesced(struct usb_interface *f)
{
- f->dev.power.power_state.event = PM_EVENT_FREEZE;
+ f->is_active = 0;
}
-static inline int is_active(struct usb_interface *f)
+static inline int is_active(const struct usb_interface *f)
{
- return f->dev.power.power_state.event == PM_EVENT_ON;
+ return f->is_active;
}
/* for labeling diagnostics */
extern const char *usbcore_name;
+/* sysfs stuff */
+extern struct attribute_group *usb_device_groups[];
+extern struct attribute_group *usb_interface_groups[];
+
/* usbfs stuff */
+extern struct mutex usbfs_mutex;
extern struct usb_driver usbfs_driver;
-extern struct file_operations usbfs_devices_fops;
-extern struct file_operations usbfs_device_file_operations;
+extern const struct file_operations usbfs_devices_fops;
+extern const struct file_operations usbdev_file_operations;
extern void usbfs_conn_disc_event(void);
-extern int usbdev_init(void);
-extern void usbdev_cleanup(void);
-
-struct dev_state {
- struct list_head list; /* state list */
- struct usb_device *dev;
- struct file *file;
- spinlock_t lock; /* protects the async urb lists */
- struct list_head async_pending;
- struct list_head async_completed;
- wait_queue_head_t wait; /* wake up if a request completed */
- unsigned int discsignr;
- pid_t disc_pid;
- uid_t disc_uid, disc_euid;
- void __user *disccontext;
- unsigned long ifclaimed;
-};
+extern int usb_devio_init(void);
+extern void usb_devio_cleanup(void);
/* internal notify stuff */
extern void usb_notify_add_device(struct usb_device *udev);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff