--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/joystick/darwin/10.3.9-FIX/IOHIDLib.h	Fri Dec 28 20:39:31 2007 +0000
@@ -0,0 +1,874 @@
+/* *INDENT-OFF* */
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#ifndef _IOKIT_HID_IOHIDLIB_H_
+#define _IOKIT_HID_IOHIDLIB_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+#include <CoreFoundation/CoreFoundation.h>
+#if COREFOUNDATION_CFPLUGINCOM_SEPARATE
+#include <CoreFoundation/CFPlugInCOM.h>
+#endif
+
+#include <IOKit/IOTypes.h>
+#include <IOKit/IOReturn.h>
+
+#include <IOKit/hid/IOHIDKeys.h>
+
+struct IOHIDEventStruct
+{
+    IOHIDElementType	type;
+    IOHIDElementCookie	elementCookie;
+    SInt32		value;
+    AbsoluteTime	timestamp;
+    UInt32		longValueSize;
+    void *		longValue;
+};
+typedef struct IOHIDEventStruct IOHIDEventStruct;
+
+/* FA12FA38-6F1A-11D4-BA0C-0005028F18D5 */
+#define kIOHIDDeviceUserClientTypeID CFUUIDGetConstantUUIDWithBytes(NULL, \
+    0xFA, 0x12, 0xFA, 0x38, 0x6F, 0x1A, 0x11, 0xD4,			\
+    0xBA, 0x0C, 0x00, 0x05, 0x02, 0x8F, 0x18, 0xD5)
+
+/* 13AA9C44-6F1B-11D4-907C-0005028F18D5 */
+#define kIOHIDDeviceFactoryID CFUUIDGetConstantUUIDWithBytes(NULL,	\
+    0x13, 0xAA, 0x9C, 0x44, 0x6F, 0x1B, 0x11, 0xD4,			\
+    0x90, 0x7C, 0x00, 0x05, 0x02, 0x8F, 0x18, 0xD5)
+
+/* 78BD420C-6F14-11D4-9474-0005028F18D5 */
+/*! @defined kIOHIDDeviceInterfaceID
+    @discussion Interface ID for the IOHIDDeviceInterface. Corresponds to an
+                 available HID device. */
+#define kIOHIDDeviceInterfaceID CFUUIDGetConstantUUIDWithBytes(NULL, 	\
+    0x78, 0xBD, 0x42, 0x0C, 0x6F, 0x14, 0x11, 0xD4,			\
+    0x94, 0x74, 0x00, 0x05, 0x02, 0x8F, 0x18, 0xD5)
+    
+/* 7D0B510E-16D5-11D7-9E9B-000393992E38 */
+/*! @defined kIOHIDDeviceInterfaceID121
+    @discussion Interface ID for the IOHIDDeviceInterface121. Corresponds to 
+                an available HID device that includes methods from
+                IOHIDDeviceInterface.  This interface is available on 
+                IOHIDLib 1.2.1 and Mac OS X 10.2.3 or later.*/
+#define kIOHIDDeviceInterfaceID121 CFUUIDGetConstantUUIDWithBytes(NULL, \
+    0x7d, 0xb, 0x51, 0xe, 0x16, 0xd5, 0x11, 0xd7, 			\
+    0x9e, 0x9b, 0x0, 0x3, 0x93, 0x99, 0x2e, 0x38)
+
+/* B70ABF31-16D5-11D7-AB35-000393992E38 */
+/*! @defined kIOHIDDeviceInterfaceID122
+    @discussion Interface ID for the IOHIDDeviceInterface122. Corresponds to 
+                an available HID device that includes methods from
+                IOHIDDeviceInterface and IOHIDDeviceInterface121. This 
+                interface is available on IOHIDLib 1.2.2 and Mac OS X 10.3
+                or later.*/
+#define kIOHIDDeviceInterfaceID122 CFUUIDGetConstantUUIDWithBytes(NULL, \
+    0xb7, 0xa, 0xbf, 0x31, 0x16, 0xd5, 0x11, 0xd7, 			\
+    0xab, 0x35, 0x0, 0x3, 0x93, 0x99, 0x2e, 0x38)
+
+/* 8138629E-6F14-11D4-970E-0005028F18D5 */
+/*! @defined kIOHIDQueueInterfaceID
+    @discussion Interface ID for the kIOHIDQueueInterfaceID. Corresponds to a
+                queue for a specific HID device. */
+#define kIOHIDQueueInterfaceID CFUUIDGetConstantUUIDWithBytes(NULL, 	\
+    0x81, 0x38, 0x62, 0x9E, 0x6F, 0x14, 0x11, 0xD4,			\
+    0x97, 0x0E, 0x00, 0x05, 0x02, 0x8F, 0x18, 0xD5)
+
+/* 80CDCC00-755D-11D4-8E0F-0005028F18D5 */
+/*! @defined kIOHIDOutputTransactionInterfaceID
+    @discussion Interface ID for the kIOHIDOutputTransactionInterfaceID.
+                Corresponds to an output transaction for one or more report IDs
+                on a specific device. */
+#define kIOHIDOutputTransactionInterfaceID CFUUIDGetConstantUUIDWithBytes(NULL,\
+    0x80, 0xCD, 0xCC, 0x00, 0x75, 0x5D, 0x11, 0xD4,			\
+    0x80, 0xEF, 0x00, 0x05, 0x02, 0x8F, 0x18, 0xD5)
+
+/*! @typedef IOHIDCallbackFunction
+    @discussion Type and arguments of callout C function that is used when a
+                completion routine is called, see
+                IOHIDLib.h:setRemovalCallback().
+    @param target void * pointer to your data, often a pointer to an object.
+    @param result Completion result of desired operation.
+    @param refcon void * pointer to more data.
+    @param sender Interface instance sending the completion routine.
+*/
+typedef void (*IOHIDCallbackFunction)
+              (void * target, IOReturn result, void * refcon, void * sender);
+
+/*! @typedef IOHIDElementCallbackFunction
+    @discussion Type and arguments of callout C function that is used when a
+                completion routine is called, see IOHIDLib.h:setElementValue().
+    @param target void * pointer to your data, often a pointer to an object.
+    @param result Completion result of desired operation.
+    @param refcon void * pointer to more data.
+    @param sender Interface instance sending the completion routine.
+    @param elementCookie Element within interface instance sending completion.
+*/
+typedef void (*IOHIDElementCallbackFunction)
+              (void *	 		target,
+               IOReturn 		result,
+               void * 			refcon,
+               void * 			sender,
+               IOHIDElementCookie 	elementCookie);
+
+/*! @typedef IOHIDReportCallbackFunction
+    @discussion Type and arguments of callout C function that is used when a
+                completion routine is called, see IOHIDLib.h:setReport().
+    @param target void * pointer to your data, often a pointer to an object.
+    @param result Completion result of desired operation.
+    @param refcon void * pointer to more data.
+    @param sender Interface instance sending the completion routine.
+    @param bufferSize Size of the buffer received upon completion.
+*/
+typedef void (*IOHIDReportCallbackFunction)
+              (void *	 		target,
+               IOReturn 		result,
+               void * 			refcon,
+               void * 			sender,
+               UInt32		 	bufferSize);
+               
+
+/* Forward declarations of the queue and output transaction interfaces */
+struct IOHIDQueueInterface;
+struct IOHIDOutputTransactionInterface;
+typedef struct IOHIDQueueInterface IOHIDQueueInterface;
+typedef struct IOHIDOutputTransactionInterface IOHIDOutputTransactionInterface;
+
+//
+// IOHIDDeviceInterface Functions available in version 1.0 (10.0) and higher of Mac OS X
+//
+#define IOHIDDEVICEINTERFACE_FUNCS_100 							\
+    IOReturn (*createAsyncEventSource)(void * self, CFRunLoopSourceRef * source); 	\
+    CFRunLoopSourceRef (*getAsyncEventSource)(void * self);				\
+    IOReturn (*createAsyncPort)(void * self, mach_port_t * port);			\
+    mach_port_t (*getAsyncPort)(void * self);						\
+    IOReturn (*open)(void * self, UInt32 flags);					\
+    IOReturn (*close)(void * self);							\
+    IOReturn (*setRemovalCallback)(void * self, IOHIDCallbackFunction removalCallback,	\
+                                   void * removalTarget, void * removalRefcon);		\
+    IOReturn (*getElementValue)(void * self, IOHIDElementCookie	elementCookie,		\
+                                IOHIDEventStruct * valueEvent);				\
+    IOReturn (*setElementValue)(void * self, IOHIDElementCookie elementCookie,		\
+                                IOHIDEventStruct * valueEvent, UInt32 timeoutMS,	\
+                                IOHIDElementCallbackFunction callback,			\
+                                void * callbackTarget, void * callbackRefcon);		\
+    IOReturn (*queryElementValue)(void * self, IOHIDElementCookie elementCookie,	\
+                                IOHIDEventStruct * valueEvent, UInt32 timeoutMS,	\
+                                IOHIDElementCallbackFunction callback,			\
+                                void * callbackTarget, void * callbackRefcon);		\
+    IOReturn (*startAllQueues)(void * self);						\
+    IOReturn (*stopAllQueues)(void * self);						\
+    IOHIDQueueInterface ** (*allocQueue) (void *self);					\
+    IOHIDOutputTransactionInterface ** (*allocOutputTransaction) (void *self)
+    
+//
+// IOHIDDeviceInterface Functions available in version 1.2.1 (10.2.3) and higher of Mac OS X
+//
+#define IOHIDDEVICEINTERFACE_FUNCS_121	 						\
+    IOReturn (*setReport)(void * self, IOHIDReportType reportType, UInt32 reportID,	\
+                                void * reportBuffer, UInt32 reportBufferSize,		\
+                                UInt32 timeoutMS, IOHIDReportCallbackFunction callback,	\
+                                void * callbackTarget, void * callbackRefcon);		\
+    IOReturn (*getReport)(void * self, IOHIDReportType reportType,			\
+                                UInt32 reportID, void * reportBuffer,			\
+                                UInt32 * reportBufferSize, UInt32 timeoutMS,		\
+                                IOHIDReportCallbackFunction callback,			\
+                                void * callbackTarget, void * callbackRefcon)
+                                
+//
+// IOHIDDeviceInterface Functions available in version 1.2.2 (10.3) and higher of Mac OS X
+//
+#define IOHIDDEVICEINTERFACE_FUNCS_122	 						\
+    IOReturn (*copyMatchingElements)(void * self, CFDictionaryRef matchingDict, 	\
+                                CFArrayRef * elements);					\
+    IOReturn (*setInterruptReportHandlerCallback)(void * self, void * reportBuffer, 		\
+                                UInt32 reportBufferSize, 				\
+                                IOHIDReportCallbackFunction callback,			\
+                                void * callbackTarget, void * callbackRefcon)	
+
+typedef struct IOHIDDeviceInterface
+{
+    IUNKNOWN_C_GUTS;
+    IOHIDDEVICEINTERFACE_FUNCS_100;
+    IOHIDDEVICEINTERFACE_FUNCS_121;
+} IOHIDDeviceInterface;
+
+typedef struct IOHIDDeviceInterface121
+{
+    IUNKNOWN_C_GUTS;
+    IOHIDDEVICEINTERFACE_FUNCS_100;
+    IOHIDDEVICEINTERFACE_FUNCS_121;
+} IOHIDDeviceInterface121;
+
+typedef struct IOHIDDeviceInterface122
+{
+    IUNKNOWN_C_GUTS;
+    IOHIDDEVICEINTERFACE_FUNCS_100;
+    IOHIDDEVICEINTERFACE_FUNCS_121;
+    IOHIDDEVICEINTERFACE_FUNCS_122;
+} IOHIDDeviceInterface122;
+
+
+//
+// IOHIDQueueInterface Functions available in version 1.0 (10.0) and higher of Mac OS X
+//
+#define IOHIDQUEUEINTERFACE_FUNCS_100							\
+    IOReturn (*createAsyncEventSource)(void * self, CFRunLoopSourceRef * source);	\
+    CFRunLoopSourceRef (*getAsyncEventSource)(void * self);				\
+    IOReturn (*createAsyncPort)(void * self, mach_port_t * port);			\
+    mach_port_t (*getAsyncPort)(void * self);						\
+    IOReturn (*create)(void * self, UInt32 flags, UInt32 depth);			\
+    IOReturn (*dispose)(void * self);							\
+    IOReturn (*addElement)(void * self, IOHIDElementCookie elementCookie, UInt32 flags);\
+    IOReturn (*removeElement)(void * self, IOHIDElementCookie elementCookie);		\
+    Boolean (*hasElement)(void * self, IOHIDElementCookie elementCookie);		\
+    IOReturn (*start)(void * self);							\
+    IOReturn (*stop)(void * self);							\
+    IOReturn (*getNextEvent)(void * self, IOHIDEventStruct * event,			\
+                                AbsoluteTime maxTime, UInt32 timeoutMS);		\
+    IOReturn (*setEventCallout)(void * self, IOHIDCallbackFunction callback,		\
+                                void * callbackTarget,  void * callbackRefcon);		\
+    IOReturn (*getEventCallout)(void * self, IOHIDCallbackFunction * outCallback,	\
+                                void ** outCallbackTarget, void ** outCallbackRefcon)
+
+struct IOHIDQueueInterface
+{
+    IUNKNOWN_C_GUTS;
+    IOHIDQUEUEINTERFACE_FUNCS_100;
+};
+
+//
+// IOHIDOutputTransactionInterface Functions available in version 1.2 (10.2) and higher of Mac OS X
+//
+#define IOHIDOUTPUTTRANSACTIONINTERFACE_FUNCS_120 					\
+    IOReturn (*createAsyncEventSource)(void * self, CFRunLoopSourceRef * source);	\
+    CFRunLoopSourceRef (*getAsyncEventSource)(void * self);				\
+    IOReturn (*createAsyncPort)(void * self, mach_port_t * port);			\
+    mach_port_t (*getAsyncPort)(void * self);						\
+    IOReturn (*create)(void * self);							\
+    IOReturn (*dispose)(void * self);							\
+    IOReturn (*addElement)(void * self, IOHIDElementCookie elementCookie);		\
+    IOReturn (*removeElement)(void * self, IOHIDElementCookie elementCookie);		\
+    Boolean  (*hasElement)(void * self, IOHIDElementCookie elementCookie);		\
+    IOReturn (*setElementDefault)(void *self, IOHIDElementCookie elementCookie,		\
+                                IOHIDEventStruct * valueEvent);				\
+    IOReturn (*getElementDefault)(void * self, IOHIDElementCookie elementCookie,	\
+                                IOHIDEventStruct * outValueEvent);			\
+    IOReturn (*setElementValue)(void * self, IOHIDElementCookie elementCookie,		\
+                                IOHIDEventStruct * valueEvent);				\
+    IOReturn (*getElementValue)(void * self, IOHIDElementCookie elementCookie,		\
+                                IOHIDEventStruct * outValueEvent);			\
+    IOReturn (*commit)(void * self, UInt32 timeoutMS, IOHIDCallbackFunction callback,	\
+                                void * callbackTarget, void * callbackRefcon);		\
+    IOReturn (*clear)(void * self)
+
+struct IOHIDOutputTransactionInterface
+{
+    IUNKNOWN_C_GUTS;
+    IOHIDOUTPUTTRANSACTIONINTERFACE_FUNCS_120;
+};
+
+
+//
+//  BEGIN READABLE STRUCTURE DEFINITIONS 
+//  
+//  This portion of uncompiled code provides a more reader friendly representation of 
+//  the CFPlugin methods defined above.
+
+#if 0
+/*! @class IOHIDDeviceInterface
+    @discussion CFPlugin object subclass which provides the primary interface to
+                HID devices.
+*/
+typedef struct IOHIDDeviceInterface
+{
+
+    IUNKNOWN_C_GUTS;
+
+/*! @function createAsyncEventSource
+    @abstract Creates async eventsource.
+    @discussion This method will create an async mach port, if one
+        has not already been created.
+    @param source Reference to CFRunLoopSourceRef that is created.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*createAsyncEventSource)(void * 			self,
+                                       CFRunLoopSourceRef * 	source);
+
+/*! @function getAsyncEventSource
+    @abstract Gets the created async event source.
+    @result Returns a CFRunLoopSourceRef.
+*/
+    CFRunLoopSourceRef (*getAsyncEventSource)(void * self);
+    
+/*! @function createAsyncPort
+    @abstract Creates an async port.
+    @discussion The port must be created before any callbacks can be used. 
+    @param port Reference to mach port that is created. 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*createAsyncPort)(void * self, mach_port_t * port);
+    
+/*! @function getAsyncPort
+    @abstract Gets the current async port.
+    @result Returns a mach_port_t.
+*/
+    mach_port_t (*getAsyncPort)(void * self);
+    
+/*! @function open
+    @abstract Opens the device.
+    @param flags Flags to be passed down to the user client.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*open)(void * self, UInt32 flags);
+    
+/*! @function close
+    @abstract Closes the device.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*close)(void * self);
+
+/*! @function setRemovalCallback
+    @abstract Sets callback to be used when device is removed.
+    @param removalCallback Called when the device is removed. 
+    @param removeTarget Passed to the callback.
+    @param removalRefcon Passed to the callback.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*setRemovalCallback)(void * 			self,
+                                   IOHIDCallbackFunction	removalCallback,
+                                   void *			removalTarget,
+                                   void *			removalRefcon);
+
+/*! @function getElementValue
+    @abstract Obtains the most recent value of an element.
+    @discussion This call is most useful for interrupt driven elements,
+        such as input type elements.  Since feature type element values 
+        need to be polled from the device, it is recommended to use the 
+        queryElementValue method to obtain the current value.  The  
+        timestamp field in the event details the last time the element 
+        value was altered.
+    @param elementCookie The element of interest. 
+    @param valueEvent The event that will be filled.   If a long value is 
+        present, it is up to the caller to deallocate it.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*getElementValue)(void * 			self,
+                                IOHIDElementCookie	elementCookie,
+                                IOHIDEventStruct *	valueEvent);
+
+/*! @function setElementValue
+    @abstract Sets an element value on the device.
+    @discussion This call is most useful for feature type elements.  It is
+        recommended to use IOOutputTransaction for output type elements.
+    @param elementCookie The element of interest. 
+    @param valueEvent The event that will be filled.  If a long value is
+        present, it will be copied.
+    @param timeoutMS UNSUPPORTED.
+    @param callback UNSUPPORTED.
+    @param callbackTarget UNSUPPORTED.
+    @param callbackRefcon UNSUPPORTED.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*setElementValue)(void *	 			self,
+                                IOHIDElementCookie		elementCookie,
+                                IOHIDEventStruct *		valueEvent,
+                                UInt32 				timeoutMS,
+                                IOHIDElementCallbackFunction	callback,
+                                void * 				callbackTarget,
+                                void *				callbackRefcon);
+
+/*! @function queryElementValue
+    @abstract Obtains the current value of an element.
+    @discussion This call is most useful for feature type elements.  This
+        method will poll the device for the current element value.
+    @param elementCookie The element of interest. 
+    @param valueEvent The event that will be filled.  If a long value is 
+        present, it is up to the caller to deallocate it.
+    @param timeoutMS UNSUPPORTED.
+    @param callback UNSUPPORTED.
+    @param callbackTarget UNSUPPORTED.
+    @param callbackRefcon UNSUPPORTED.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*queryElementValue)(void * 			self,
+                                IOHIDElementCookie		elementCookie,
+                                IOHIDEventStruct *		valueEvent,
+                                UInt32 				timeoutMS,
+                                IOHIDElementCallbackFunction	callback,
+                                void * 				callbackTarget,
+                                void *				callbackRefcon);
+
+/*! @function startAllQueues
+    @abstract Starts data delivery on all queues for this device.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*startAllQueues)(void * self);
+    
+/*! @function stopAllQueues
+    @abstract Stops data delivery on all queues for this device.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*stopAllQueues)(void * self);
+
+/*! @function allocQueue
+    @abstract Wrapper to return instances of the IOHIDQueueInterface. 
+    @result Returns the created IOHIDQueueInterface.
+*/
+    IOHIDQueueInterface ** (*allocQueue) (void *self);
+    
+/*! @function allocOutputTransaction
+    @abstract Wrapper to return instances of the IOHIDOutputTransactionInterface. 
+    @result Returns the created IOHIDOutputTransactionInterface.
+*/
+    IOHIDOutputTransactionInterface ** (*allocOutputTransaction) (void *self);
+    
+} IOHIDDeviceInterface;
+
+/*! @class IOHIDDeviceInterface121
+    @discussion CFPlugin object subclass which provides the primary interface to
+                HID devices.  This class is a subclass of IOHIDDeviceInterface.
+*/
+typedef struct IOHIDDeviceInterface121
+{
+
+    IUNKNOWN_C_GUTS;
+    IOHIDDEVICEINTERFACE_FUNCS_100;
+
+/*! @function setReport
+    @abstract Sends a report to the device.
+    @param reportType The report type.
+    @param reportID The report id.
+    @param reportBuffer Pointer to a preallocated buffer.
+    @param reportBufferSize Size of the reportBuffer in bytes.
+    @param timeoutMS
+    @param callback If null, this method will behave synchronously.
+    @param callbackTarget The callback target passed to the callback.
+    @param callbackRefcon The callback refcon passed to the callback. 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*setReport)	(void * 			self,
+                                IOHIDReportType			reportType,
+                                UInt32				reportID,
+                                void *				reportBuffer,
+                                UInt32				reportBufferSize,
+                                UInt32 				timeoutMS,
+                                IOHIDReportCallbackFunction	callback,
+                                void * 				callbackTarget,
+                                void *				callbackRefcon);
+
+/*! @function getReport
+    @abstract Obtains a report from the device.
+    @param reportType The report type.
+    @param reportID The report ID.
+    @param reportBuffer Pointer to a preallocated buffer.
+    @param reportBufferSize Size of the reportBuffer in bytes.  
+        When finished, will contain the actual size of the report.
+    @param timeoutMS
+    @param callback If null, this method will behave synchronously.
+    @param callbackTarget The callback target passed to the callback.
+    @param callbackRefcon The callback refcon passed to the callback. 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*getReport)	(void * 			self,
+                                IOHIDReportType			reportType,
+                                UInt32				reportID,
+                                void *				reportBuffer,
+                                UInt32 *			reportBufferSize,
+                                UInt32 				timeoutMS,
+                                IOHIDReportCallbackFunction	callback,
+                                void * 				callbackTarget,
+                                void *				callbackRefcon);
+                                
+}IOHIDDeviceInterface121;
+
+/*! @class IOHIDDeviceInterface122
+    @discussion CFPlugin object subclass which provides the primary interface to
+                HID devices.  This class is a subclass of IOHIDDeviceInterface121.
+*/
+typedef struct IOHIDDeviceInterface122
+{
+
+    IUNKNOWN_C_GUTS;
+    IOHIDDEVICEINTERFACE_FUNCS_100;
+    IOHIDDEVICEINTERFACE_FUNCS_121;
+
+/*! @function copyMatchingElements
+    @abstract Obtains specific elements defined by the device.
+    @discussion Using keys defined in IOHIDKeys.h for elements, create a 
+            matching dictonary containing items that you wish to search for.  
+            A null array indicates that no elements matching that criteria 
+            were found. Each item in the array is a reference to the same 
+            dictionary item that represents each element in the I/O Registry.
+            It is up to the caller to release the returned array of elements. 
+    @param matchingDict Dictionary containg key/value pairs to match on.  Pass
+            a null value to match on all elements.
+    @param elements Pointer to a CFArrayRef that will be returned by this
+            method.  It is up to the caller to release it when finished. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*copyMatchingElements)(void * 			self, 
+                                CFDictionaryRef 		matchingDict, 
+                                CFArrayRef * 			elements);
+                                
+/*! @function setInterruptReportHandlerCallback
+    @abstract Sets the report handler callout to be called when the data 
+        is received from the Interrupt-In pipe.
+    @discussion In order for this to work correctly, you must call
+        createAsyncPort and createAsyncEventSource.
+    @param reportBuffer Pointer to a preallocated buffer.
+    @param reportBufferSize Size of the reportBuffer in bytes.  
+    @param callback If non-NULL, is a callback to be called when data 
+        is received from the device.
+    @param callbackTarget The callback target passed to the callback
+    @param callbackRefcon The callback refcon passed to the callback.
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*setInterruptReportHandlerCallback)(
+                            void * 				self,
+                            void *				reportBuffer,
+                            UInt32				reportBufferSize, 
+                            IOHIDReportCallbackFunction 	callback,
+                            void * 				callbackTarget, 
+                            void * 				callbackRefcon);
+    
+}IOHIDDeviceInterface122;
+
+/*! @class IOHIDQueueInterface
+    @discussion CFPlugin object subclass which provides an interface for input
+                queues from HID devices. Created by an IOHIDDeviceInterface
+                object.
+*/
+typedef struct IOHIDQueueInterface
+{
+
+    IUNKNOWN_C_GUTS;
+
+/*! @function createAsyncEventSource
+    @abstract Creates an async event source.
+    @discussion This will be used with setEventCallout.
+    @param source The newly created event source.
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*createAsyncEventSource)(void * 			self, 
+                                        CFRunLoopSourceRef * 	source);
+
+/*! @function getAsyncEventSource
+    @abstract Obtains the current event source.
+    @result Returns a CFRunLoopSourceRef.
+*/
+    CFRunLoopSourceRef (*getAsyncEventSource)(void * self);
+
+/*! @function createAsyncPort
+    @abstract Creates an async port.
+    @discussion This will be used with createAsyncEventSource.
+    @param port The newly created async port.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*createAsyncPort)(void * self, mach_port_t * port);
+    
+/*! @function getAsyncPort
+    @abstract Obtains the current async port.
+    @result Returns a mach_port_t.
+*/
+    mach_port_t (*getAsyncPort)(void * self);
+    
+/*! @function create
+    @abstract Creates the current queue. 
+    @param flags
+    @param depth The maximum number of elements in the queue 
+        before the oldest elements in the queue begin to be lost.
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*create)(void * 			self, 
+                        UInt32 			flags,
+                        UInt32			depth);
+
+/*! @function create
+    @abstract Disposes of the current queue. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*dispose)(void * self);
+    
+/*! @function addElement
+    @abstract Adds an element to the queue.
+    @discussion If the element has already been added to queue,
+        an error will be returned.
+    @param elementCookie The element of interest. 
+    @param flags 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*addElement)(void * self,
+                           IOHIDElementCookie elementCookie,
+                           UInt32 flags);
+
+/*! @function removeElement
+    @abstract Removes an element from the queue.
+    @discussion If the element has not been added to queue,
+        an error will be returned.
+    @param elementCookie The element of interest. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*removeElement)(void * self, IOHIDElementCookie elementCookie);
+    
+/*! @function hasElement
+    @abstract Checks whether an element has been added to 
+        the queue.
+    @discussion Will return true if present, otherwise will return false.
+    @param elementCookie The element of interest. 
+    @result Returns a Boolean value. 
+*/
+    Boolean (*hasElement)(void * self, IOHIDElementCookie elementCookie);
+
+/*! @function start
+    @abstract Starts event delivery to the queue. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*start)(void * self);
+    
+/*! @function stop
+    @abstract Stops event delivery to the queue. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*stop)(void * self);
+
+/*! @function getNextEvent
+    @abstract Reads next event from the queue.
+    @param event The event that will be filled.  If a long value is
+        present, it is up to the caller to deallocate it.
+    @param maxtime UNSUPPORTED.  If non-zero, limits read events to 
+        those that occured on or before maxTime.
+    @param timoutMS UNSUPPORTED.  The timeout in milliseconds, a zero  
+        timeout will cause this call to be non-blocking (returning  
+        queue empty) if there is a NULL callback, and blocking forever 
+        until the queue is non-empty if there is a valid callback.
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*getNextEvent)(void * 			self,
+                            IOHIDEventStruct *		event,
+                            AbsoluteTime		maxTime,
+                            UInt32 			timeoutMS);
+
+/*! @function setEventCallout
+    @abstract Sets the event callout to be called when the queue 
+        transitions to non-empty.
+    @discussion In order for this to work correctly, you must call
+        createAsyncPort and createAsyncEventSource.
+    @param callback if non-NULL is a callback to be called when data 
+        is  inserted to the queue
+    @param callbackTarget The callback target passed to the callback
+    @param callbackRefcon The callback refcon passed to the callback.
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*setEventCallout)(void * 			self,
+                                IOHIDCallbackFunction   callback,
+                                void * 			callbackTarget,
+                                void *			callbackRefcon);
+
+/*! @function getEventCallout
+    @abstract Gets the event callout.
+    @discussion This callback will be called the queue transitions
+        to non-empty.
+    @param callback if non-NULL is a callback to be called when data 
+        is  inserted to the queue
+    @param callbackTarget The callback target passed to the callback
+    @param callbackRefcon The callback refcon passed to the callback 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*getEventCallout)(void * 			self,
+                                IOHIDCallbackFunction * outCallback,
+                                void ** 		outCallbackTarget,
+                                void **			outCallbackRefcon);
+} IOHIDQueueInterface;
+
+/*! @class IOHIDOutputTransactionInterface
+    @discussion CFPlugin object subclass which privides interface for output
+                transactions to HID devices. Created by a IOHIDDeviceInterface
+                object. */
+
+typedef struct IOHIDOutputTransactionInterface
+{
+    IUNKNOWN_C_GUTS;
+                    
+/*! @function createAsyncEventSource
+    @abstract Creates an async event source.
+    @discussion This will be used with setEventCallout.
+    @param source The newly created event source 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*createAsyncEventSource)(void * 			self, 
+                                        CFRunLoopSourceRef * 	source);
+
+/*! @function getAsyncEventSource
+    @abstract Obtains the current event source.
+    @result Returns a CFRunLoopSourceRef.
+*/
+    CFRunLoopSourceRef (*getAsyncEventSource)(void * self);
+
+/*! @function createAsyncPort
+    @abstract Creates an async port.
+    @discussion This will be used with createAsyncEventSource.
+    @param port The newly created async port. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*createAsyncPort)(void * self, mach_port_t * port);
+    
+/*! @function getAsyncPort
+    @abstract Obtains the current async port. 
+    @result Returns a mach_port_t.
+*/
+    mach_port_t (*getAsyncPort)(void * self);
+    
+/*! @function create
+    @abstract Creates the current transaction.
+    @discussion This method will free any memory that has been
+        allocated for this transaction. 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*create)(void * self);
+    
+/*! @function dispose
+    @abstract Disposes of the current transaction.
+    @discussion The transaction will have to be recreated, in order
+        to perform any operations on the transaction. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*dispose)(void * self);
+    
+/*! @function addElement
+    @abstract Adds an element to the transaction.
+    @discussion If the element has already been added to transaction,
+        an error will be returned.
+    @param elementCookie The element of interest.
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*addElement)	(void * self, IOHIDElementCookie elementCookie);
+    
+/*! @function removeElement
+    @abstract Removes an element from the transaction.
+    @discussion If the element has not been added to transaction,
+        an error will be returned.
+    @param elementCookie The element of interest. 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*removeElement)	(void * self, IOHIDElementCookie elementCookie);
+    
+/*! @function hasElement
+    @abstract Checks whether an element has been added to 
+        the transaction.
+    @discussion Will return true if present, otherwise will return false.
+    @param elementCookie The element of interest. 
+    @result Returns a Boolean value. 
+*/
+    Boolean  (*hasElement)	(void * self, IOHIDElementCookie elementCookie);
+    
+/*! @function setElementDefault
+    @abstract Sets the default value of an element in a 
+        transaction.
+    @discussion An error will be returned if the element has not been
+        added to the transaction.
+    @param elementCookie The element of interest. 
+    @param valueEvent The event that will be filled.  If a long value is
+        present, it will be copied. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*setElementDefault)(void *	 	self,
+                                    IOHIDElementCookie	elementCookie,
+                                    IOHIDEventStruct *	valueEvent);
+    
+/*! @function getElementDefault
+    @abstract Obtains the default value of an element in a 
+        transaction.
+    @discussion An error will be returned if the element has not been 
+        added to the transaction.
+    @param elementCookie The element of interest. 
+    @param outValueEvent The event that will be filled.  If a long value is 
+        present, it is up to the caller to deallocate it. 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*getElementDefault)(void *	 	self,
+                                    IOHIDElementCookie	elementCookie,
+                                    IOHIDEventStruct *	outValueEvent);
+    
+/*! @function setElementValue
+    @abstract Sets the value of an element in a transaction.
+    @discussion An error will be returned if the element has not been
+        added to the transaction.
+    @param elementCookie The element of interest. 
+    @param valueEvent The event that will be filled.  If a long value is
+        present, it will be copied.
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*setElementValue)(void *	 		self,
+                                IOHIDElementCookie	elementCookie,
+                                IOHIDEventStruct *	valueEvent);
+    
+/*! @function getElementValue
+    @abstract Obtains the value of an element in a transaction.
+    @discussion An error will be returned if the element has not been 
+        added to the transaction.
+    @param elementCookie The element of interest. 
+    @param outValueEvent The event that will be filled.  If a long value is 
+        present, it is up to the caller to deallocate it. 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*getElementValue)(void *	 		self,
+                                IOHIDElementCookie	elementCookie,
+                                IOHIDEventStruct *	outValueEvent);
+    
+/*! @function commit
+    @abstract Commits the transaction.
+    @discussion Transaction element values, if set, will be sent to the 
+        device.  Otherwise, the default element value will be used.  If
+        neither are set, that element will be omitted from the commit.
+        After a transaction is committed, transaction element values 
+        will be cleared.  Default values will be preserved.
+    @param timeoutMS UNSUPPORTED
+    @param callback UNSUPPORTED
+    @param callbackTarget UNSUPPORTED
+    @param callbackRefcon UNSUPPORTED 
+    @result Returns an IOReturn code.
+*/
+    IOReturn (*commit)(void * 			self,
+                        UInt32 			timeoutMS,
+                        IOHIDCallbackFunction   callback,
+                        void * 			callbackTarget,
+                        void *			callbackRefcon);
+    
+/*! @function clear
+    @abstract Clears the transaction.
+    @discussion Transaction element values will cleared.   Default 
+        values will be preserved. 
+    @result Returns an IOReturn code. 
+*/
+    IOReturn (*clear)(void * self);
+} IOHIDOutputTransactionInterface;
+
+#endif
+
+__END_DECLS
+
+#endif /* !_IOKIT_HID_IOHIDLIB_H_ */