/*
 * Copyright (c) 2002-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_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. 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@
 */
/*
 * Copyright (c) 2004 Apple Computer, Inc.  All rights reserved.
 *
 *  File: $Id: SMU_Neo2_PowerSensor.h,v 1.3 2005/01/27 00:22:53 dirty Exp $
 */


#ifndef _SMU_NEO2_POWERSENSOR_H
#define _SMU_NEO2_POWERSENSOR_H

#include "IOPlatformSensor.h"

// This class corresponds to a virtual sensor.  It depends on the current and voltage values
// from other sensors and generates it's power value from those.

class SMU_Neo2_PowerSensor : public IOPlatformSensor
	{
	OSDeclareDefaultStructors( SMU_Neo2_PowerSensor )

protected:

	IOPlatformSensor*						currentSensor;
	IOPlatformSensor*						voltageSensor;

	bool									fUseQuadraticTransform;
	sdb_thermal_pos_adc_constants_2_part_t	fThermalPosConstantsPart;

	virtual			IOReturn		registerDriver( IOService* driver, const OSDictionary* dict, bool notify = true );

	virtual			IOReturn		initPlatformSensor( const OSDictionary* dict );

	virtual			SensorValue		fetchCurrentValue( void );

	virtual			bool			sendPollingPeriod( OSNumber* period );
	};


#endif	// _SMU_NEO2_POWERSENSOR_H