--- xnu/xnu-1228/iokit/Kernel/IODMAEventSource.cpp
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
- * 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. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- * 
- * 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_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#include <IOKit/IODMAEventSource.h>
-#include <IOKit/IOService.h>
-
-#include "IOKitKernelInternal.h"
-
-
-#define super IOEventSource
-OSDefineMetaClassAndStructors(IODMAEventSource, IOEventSource);
-
-bool IODMAEventSource::init(OSObject *inOwner,
-			    IOService *inProvider,
-			    Action inCompletion,
-			    Action inNotification,
-			    UInt32 inDMAIndex)
-{
-  IOReturn result;
-  
-  if (!super::init(inOwner)) return false;
-  
-  if (inProvider == 0) return false;
-  
-  dmaProvider = inProvider;
-  dmaIndex = 0xFFFFFFFF;
-  dmaCompletionAction = inCompletion;
-  dmaNotificationAction = inNotification;
-  
-  dmaController = IODMAController::getController(dmaProvider, inDMAIndex);
-  if (dmaController == 0) return false;
-  dmaController->retain();
-  
-  result = dmaController->initDMAChannel(dmaProvider, this, &dmaIndex, inDMAIndex);
-  if (result != kIOReturnSuccess) return false;
-  
-  queue_init(&dmaCommandsCompleted);
-  dmaCommandsCompletedLock = IOSimpleLockAlloc();
-  
-  return true;
-}
-
-IODMAEventSource *IODMAEventSource::dmaEventSource(OSObject *inOwner,
-						   IOService *inProvider,
-						   Action inCompletion,
-						   Action inNotification,
-						   UInt32 inDMAIndex)
-{
-  IODMAEventSource *dmaES = new IODMAEventSource;
-  
-  if (dmaES && !dmaES->init(inOwner, inProvider, inCompletion, inNotification, inDMAIndex)) {
-    dmaES->release();
-    return 0;
-  }
-  
-  return dmaES;
-}
-
-IOReturn IODMAEventSource::startDMACommand(IODMACommand *dmaCommand, IODirection direction, IOByteCount byteCount, IOByteCount byteOffset)
-{
-  IOReturn result;
-  
-  if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
-  
-  if (dmaSynchBusy) return kIOReturnBusy;
-  
-  if (dmaCompletionAction == 0) dmaSynchBusy = true;
-  
-  result = dmaController->startDMACommand(dmaIndex, dmaCommand, direction, byteCount, byteOffset);
-  
-  if (result != kIOReturnSuccess) {
-    dmaSynchBusy = false;
-    return result;
-  }
-  
-  while (dmaSynchBusy) sleepGate(&dmaSynchBusy, THREAD_UNINT);
-  
-  return kIOReturnSuccess;
-}
-
-IOReturn IODMAEventSource::stopDMACommand(bool flush, mach_timespec_t *timeout)
-{
-  if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
-  
-  return dmaController->stopDMACommand(dmaIndex, flush, timeout);
-}
-
-
-IOReturn IODMAEventSource::queryDMACommand(IODMACommand **dmaCommand, IOByteCount *transferCount, bool waitForIdle)
-{
-  if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
-  
-  return dmaController->queryDMACommand(dmaIndex, dmaCommand, transferCount, waitForIdle);
-}
-
-
-// protected
-
-bool IODMAEventSource::checkForWork(void)
-{
-  IODMACommand     *dmaCommand = NULL;
-  bool work, again;
-  
-  IOSimpleLockLock(dmaCommandsCompletedLock);
-  work = !queue_empty(&dmaCommandsCompleted);
-  if (work) {
-    queue_remove_first(&dmaCommandsCompleted, dmaCommand, IODMACommand *, fCommandChain);
-    again = !queue_empty(&dmaCommandsCompleted);
-  } else {
-    again = false;
-  }
-  IOSimpleLockUnlock(dmaCommandsCompletedLock);
-
-  if (work) {
-    (*dmaCompletionAction)(owner, this, dmaCommand, dmaCommand->reserved->fStatus, dmaCommand->reserved->fActualByteCount);
-  }
-  
-  return again;
-}
-
-void IODMAEventSource::completeDMACommand(IODMACommand *dmaCommand)
-{
-  if (dmaCompletionAction != 0) {
-    IOSimpleLockLock(dmaCommandsCompletedLock);
-    queue_enter(&dmaCommandsCompleted, dmaCommand, IODMACommand *, fCommandChain);
-    IOSimpleLockUnlock(dmaCommandsCompletedLock);
-    
-    signalWorkAvailable();
-  } else {
-    dmaSynchBusy = false;
-    wakeupGate(&dmaSynchBusy, true);
-  }
-}
-
-void IODMAEventSource::notifyDMACommand(IODMACommand *dmaCommand, IOReturn status, IOByteCount actualByteCount)
-{
-  dmaCommand->reserved->fStatus = status;
-  dmaCommand->reserved->fActualByteCount = actualByteCount;  
-  
-  if (dmaNotificationAction != 0) (*dmaNotificationAction)(owner, this, dmaCommand, status, actualByteCount);
-}