xnu-2782.20.48.tar.gz

[apple/xnu.git] / iokit / Kernel / IODMAEventSource.cpp

diff --git a/iokit/Kernel/IODMAEventSource.cpp b/iokit/Kernel/IODMAEventSource.cpp
index a032b920416850602615f15ecfefb02dc3a34904..1b53b0b0b155c46be0da75e3d59fe3538c8c74a2 100644 (file)
--- a/iokit/Kernel/IODMAEventSource.cpp
+++ b/iokit/Kernel/IODMAEventSource.cpp
@@ -65,6 +65,12 @@ bool IODMAEventSource::init(OSObject *inOwner,
   return true;
 }
 
   return true;
 }
 

+void IODMAEventSource::free()
+{
+    if (dmaCommandsCompletedLock != NULL) IOSimpleLockFree(dmaCommandsCompletedLock);
+    super::free();
+}
+

 IODMAEventSource *IODMAEventSource::dmaEventSource(OSObject *inOwner,
                                                   IOService *inProvider,
                                                   Action inCompletion,
 IODMAEventSource *IODMAEventSource::dmaEventSource(OSObject *inOwner,
                                                   IOService *inProvider,
                                                   Action inCompletion,


@@ -119,11 +125,27 @@ IOReturn IODMAEventSource::queryDMACommand(IODMACommand **dmaCommand, IOByteCoun
 }
 
 
 }
 
 

-IOByteCount IODMAEventSource::getFIFODepth()
+IOByteCount IODMAEventSource::getFIFODepth(IODirection direction)
+{
+  if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return 0;
+  
+  return dmaController->getFIFODepth(dmaIndex, direction);
+}
+
+
+IOReturn IODMAEventSource::setFIFODepth(IOByteCount depth)
+{
+  if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
+  
+  return dmaController->setFIFODepth(dmaIndex, depth);
+}
+
+
+IOByteCount IODMAEventSource::validFIFODepth(IOByteCount depth, IODirection direction)

 {
   if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
   
 {
   if ((dmaController == 0) || (dmaIndex == 0xFFFFFFFF)) return kIOReturnError;
   

-  return dmaController->getFIFODepth(dmaIndex);
+  return dmaController->validFIFODepth(dmaIndex, depth, direction);

 }
 
 
 }
 
 


@@ -145,7 +167,7 @@ bool IODMAEventSource::checkForWork(void)
   IOSimpleLockUnlock(dmaCommandsCompletedLock);
 
   if (work) {
   IOSimpleLockUnlock(dmaCommandsCompletedLock);
 
   if (work) {

-    (*dmaCompletionAction)(owner, this, dmaCommand, dmaCommand->reserved->fStatus, dmaCommand->reserved->fActualByteCount);
+    (*dmaCompletionAction)(owner, this, dmaCommand, dmaCommand->reserved->fStatus, dmaCommand->reserved->fActualByteCount, dmaCommand->reserved->fTimeStamp);

   }
   
   return again;
   }
   
   return again;


@@ -165,10 +187,21 @@ void IODMAEventSource::completeDMACommand(IODMACommand *dmaCommand)
   }
 }
 
   }
 }
 

-void IODMAEventSource::notifyDMACommand(IODMACommand *dmaCommand, IOReturn status, IOByteCount actualByteCount)
+void IODMAEventSource::notifyDMACommand(IODMACommand *dmaCommand, IOReturn status, IOByteCount actualByteCount, AbsoluteTime timeStamp)

 {
   dmaCommand->reserved->fStatus = status;
 {
   dmaCommand->reserved->fStatus = status;

-  dmaCommand->reserved->fActualByteCount = actualByteCount;  
+  dmaCommand->reserved->fActualByteCount = actualByteCount;
+  dmaCommand->reserved->fTimeStamp = timeStamp;

   
   

-  if (dmaNotificationAction != 0) (*dmaNotificationAction)(owner, this, dmaCommand, status, actualByteCount);
+  if (dmaNotificationAction != 0) (*dmaNotificationAction)(owner, this, dmaCommand, status, actualByteCount, timeStamp);
+}
+
+IOReturn IODMAEventSource::setDMAConfig(UInt32 newReqIndex)
+{
+  return dmaController->setDMAConfig(dmaIndex, dmaProvider, newReqIndex);
+}
+
+bool IODMAEventSource::validDMAConfig(UInt32 newReqIndex)
+{
+  return dmaController->validDMAConfig(dmaIndex, dmaProvider, newReqIndex);

 }
 }