/*
- * Copyright (c) 2001-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2001-2019 Apple 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
* 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,
* 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@
*/
-
+
#ifndef _IOPMPOWERSTATEQUEUE_H_
#define _IOPMPOWERSTATEQUEUE_H_
-
-#include <IOKit/IOWorkLoop.h>
+
#include <IOKit/IOEventSource.h>
-#include <IOKit/IOService.h>
-extern "C" {
- #include <kern/queue.h>
-}
+#include <IOKit/IOLocks.h>
+#include <kern/queue.h>
+
+typedef void (*IOPMPowerStateQueueAction)(OSObject *, uint32_t event, void *, uint64_t);
class IOPMPowerStateQueue : public IOEventSource
- {
- OSDeclareDefaultStructors(IOPMPowerStateQueue);
+{
+ OSDeclareDefaultStructors(IOPMPowerStateQueue);
private:
- enum {
- kUnIdle = 0,
- kPMFeatureChange = 1
- };
-
- // Queue of requested states
- struct PowerChangeEntry
- {
- void *next;
- uint16_t actionType;
- uint32_t state;
- IOService *target;
- };
+ struct PowerEventEntry {
+ queue_chain_t chain;
+ uint32_t eventType;
+ void * arg0;
+ uint64_t arg1;
+ };
- void *changes;
-#ifndef __ppc__
- IOLock *tmpLock;
-#endif
+ queue_head_t queueHead;
+ IOLock * queueLock;
protected:
- virtual bool checkForWork(void);
+ virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
+ virtual bool init( OSObject * owner, Action action ) APPLE_KEXT_OVERRIDE;
public:
- //typedef void (*Action)(IOService *target, unsigned long state);
+ static IOPMPowerStateQueue * PMPowerStateQueue( OSObject * owner, Action action );
- virtual bool init(OSObject *owner, Action action = 0);
+ bool submitPowerEvent( uint32_t eventType, void * arg0 = NULL, uint64_t arg1 = 0 );
+};
- // static initialiser
- static IOPMPowerStateQueue *PMPowerStateQueue(OSObject *owner);
-
- // Enqueues an activityTickle request to be executed on the workloop
- virtual bool unIdleOccurred(IOService *, unsigned long);
-
- // Enqueues a feature changed notify request to be executed on the workloop
- virtual bool featureChangeOccurred(uint32_t, IOService *);
- };
-
- #endif /* _IOPMPOWERSTATEQUEUE_H_ */
-
+#endif /* _IOPMPOWERSTATEQUEUE_H_ */