X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/2d21ac55c334faf3a56e5634905ed6987fc787d4..0a7de7458d150b5d4dffc935ba399be265ef0a1a:/iokit/IOKit/IODMAEventSource.h

diff --git a/iokit/IOKit/IODMAEventSource.h b/iokit/IOKit/IODMAEventSource.h
index ce68f6f86..88ffeed97 100644
--- a/iokit/IOKit/IODMAEventSource.h
+++ b/iokit/IOKit/IODMAEventSource.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2005 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
@@ -11,10 +11,10 @@
  * 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,
@@ -22,7 +22,7 @@
  * 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@
  */
 
@@ -34,48 +34,60 @@
 #include <IOKit/IODMAController.h>
 #include <IOKit/IOEventSource.h>
 
+class IODMAController;
+
 class IODMAEventSource : public IOEventSource
 {
-  OSDeclareDefaultStructors(IODMAEventSource);
-  
-  friend class IODMAController;
-  
- public:
-  typedef void (*Action)(OSObject *owner, IODMAEventSource *dmaES, IODMACommand *dmaCommand, IOReturn status, IOByteCount actualByteCount);
+	OSDeclareDefaultStructors(IODMAEventSource);
+
+	friend class IODMAController;
+
+public:
+	typedef void (*Action)(OSObject *owner, IODMAEventSource *dmaES, IODMACommand *dmaCommand, IOReturn status, IOByteCount actualByteCount, AbsoluteTime timeStamp);
 #define IODMAEventAction IODMAEventSource::Action
-  
- protected:
-  virtual void completeDMACommand(IODMACommand *dmaCommand);
-  virtual void notifyDMACommand(IODMACommand *dmaCommand, IOReturn status, IOByteCount actualByteCount);
-  
- public:
-  static IODMAEventSource *dmaEventSource(OSObject *owner,
-					  IOService *provider,
-					  Action completion = 0,
-					  Action notification = 0,
-					  UInt32 dmaIndex = 0);
-  
-  virtual IOReturn startDMACommand(IODMACommand *dmaCommand, IODirection direction, IOByteCount byteCount = 0, IOByteCount byteOffset = 0);
-  virtual IOReturn stopDMACommand(bool flush = false, mach_timespec_t *timeout = 0);
-  
-  virtual IOReturn queryDMACommand(IODMACommand **dmaCommand, IOByteCount *transferCount, bool waitForIdle = false);
-  
- private:
-  IOService       *dmaProvider;
-  IODMAController *dmaController;
-  UInt32          dmaIndex;
-  queue_head_t    dmaCommandsCompleted;
-  IOSimpleLock	  *dmaCommandsCompletedLock;
-  Action          dmaCompletionAction;
-  Action          dmaNotificationAction;
-  bool            dmaSynchBusy;
-  
-  virtual bool init(OSObject *owner,
-		    IOService *provider,
-		    Action completion = 0,
-		    Action notification = 0,
-		    UInt32 dmaIndex = 0);
-  virtual bool checkForWork(void);
+
+protected:
+	virtual void completeDMACommand(IODMACommand *dmaCommand);
+	virtual void notifyDMACommand(IODMACommand *dmaCommand, IOReturn status, IOByteCount actualByteCount, AbsoluteTime timeStamp);
+
+public:
+	static IODMAEventSource *dmaEventSource(OSObject *owner,
+	    IOService *provider,
+	    Action completion = 0,
+	    Action notification = 0,
+	    UInt32 dmaIndex = 0);
+
+	virtual IOReturn startDMACommand(IODMACommand *dmaCommand, IODirection direction, IOByteCount byteCount = 0, IOByteCount byteOffset = 0);
+	virtual IOReturn stopDMACommand(bool flush = false, uint64_t timeout = UINT64_MAX);
+
+	virtual IOReturn queryDMACommand(IODMACommand **dmaCommand, IOByteCount *transferCount, bool waitForIdle = false);
+
+	virtual IOByteCount getFIFODepth(IODirection direction = kIODirectionNone);
+	virtual IOReturn setFIFODepth(IOByteCount depth);
+	virtual IOByteCount validFIFODepth(IOByteCount depth, IODirection direction);
+
+	virtual IOReturn setFrameSize(UInt8 byteCount);
+
+	virtual IOReturn setDMAConfig(UInt32 dmaIndex);
+	virtual bool validDMAConfig(UInt32 dmaIndex);
+
+private:
+	IOService       *dmaProvider;
+	IODMAController *dmaController;
+	UInt32          dmaIndex;
+	queue_head_t    dmaCommandsCompleted;
+	IOSimpleLock    *dmaCommandsCompletedLock;
+	Action          dmaCompletionAction;
+	Action          dmaNotificationAction;
+	bool            dmaSynchBusy;
+
+	virtual bool init(OSObject *owner,
+	    IOService *provider,
+	    Action completion = 0,
+	    Action notification = 0,
+	    UInt32 dmaIndex = 0);
+	virtual bool checkForWork(void) APPLE_KEXT_OVERRIDE;
+	virtual void free(void) APPLE_KEXT_OVERRIDE;
 };
 
 #endif /* _IOKIT_IODMAEVENTSOURCE_H */