int usb_emul_bulk(struct udevice *emul, struct usb_device *udev,
unsigned long pipe, void *buffer, int length);
+/**
+ * usb_emul_int() - Send an interrupt packet to an emulator
+ *
+ * @emul: Emulator device
+ * @udev: USB device (which the emulator is causing to appear)
+ * See struct dm_usb_ops for details on other parameters
+ * @return 0 if OK, -ve on error
+ */
+int usb_emul_int(struct udevice *emul, struct usb_device *udev,
+ unsigned long pipe, void *buffer, int length, int interval);
+
/**
* usb_emul_find() - Find an emulator for a particular device
*
*/
int usb_emul_find(struct udevice *bus, ulong pipe, struct udevice **emulp);
+/**
+ * usb_emul_find_for_dev() - Find an emulator for a particular device
+ *
+ * @bus: USB bus (controller)
+ * @dev: USB device to check
+ * @emulp: Returns pointer to emulator, or NULL if not found
+ * @return 0 if found, -ve on error
+ */
+int usb_emul_find_for_dev(struct udevice *dev, struct udevice **emulp);
+
/**
* usb_emul_reset() - Reset all emulators ready for use
*
*/
void usb_emul_reset(struct udevice *dev);
+/**
+ * usb_show_tree() - show the USB device tree
+ *
+ * This shows a list of active USB devices along with basic information about
+ * each.
+ */
+void usb_show_tree(void);
+
#endif /*_USB_H_ */