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/* This file is part of the TDE libraries
Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
(C) 2013 Golubev Alexander <fatzer2@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _TDECPUDEVICE_H
#define _TDECPUDEVICE_H
#include "tdegenericdevice.h"
class TDECORE_EXPORT TDECPUDevice : public TDEGenericDevice
{
public:
/**
* Constructor.
* @param Device type
*/
TDECPUDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn=TQString::null);
/**
* Destructor.
*/
~TDECPUDevice();
/**
* @return a double with the current CPU frequency in MHz, if available
*/
double frequency();
/**
* @return a double with the minimum CPU frequency in MHz, if available
*/
double minFrequency();
/**
* @return a double with the maximum CPU frequency in MHz, if available
*/
double maxFrequency();
/**
* @return a double with the transition latency in ns, if available
*/
double transitionLatency();
/**
* @return a TQString with the current CPU governor policy, if available
*/
TQString governor();
/**
* @return a TQString with the current CPU scaling driver, if available
*/
TQString scalingDriver();
/**
* @return a TQStringList with the IDs of all processors that are dependent on the frequency/power settings of this one, if available
*/
TQStringList dependentProcessors();
/**
* @return a TQStringList with all valid scaling frequencies in Hz, if available
*/
TQStringList availableFrequencies();
/**
* @return a TQStringList with all available governor policies, if available
*/
TQStringList availableGovernors();
/**
* @return true if permissions allow the CPU governor to be set, false if not
*/
bool canSetGovernor();
/**
* @param gv a TQString with the new CPU governor policy name
*/
void setGovernor(TQString gv);
/**
* @return true if permissions allow the CPU maximum frequency to be set, false if not
*/
bool canSetMaximumScalingFrequency();
/**
* @param gv a double with the new CPU maximum frequency in MHz
*/
void setMaximumScalingFrequency(double fr);
/**
* @return an integer with the core number, starting at 0
*/
int coreNumber();
protected:
/**
* @param fr a double with the current CPU frequency in MHz, if available
* @internal
*/
void internalSetFrequency(double fr);
/**
* @param fr a double with the minimum CPU frequency in MHz, if available
* @internal
*/
void internalSetMinFrequency(double fr);
/**
* @param fr a double with the maximum CPU frequency in MHz, if available
* @internal
*/
void internalSetMaxFrequency(double fr);
/**
* @param tl a double with the transition latency in ns, if available
* @internal
*/
void internalSetTransitionLatency(double tl);
/**
* @param gr a TQString with the current CPU governor policy, if available
* @internal
*/
void internalSetGovernor(TQString gr);
/**
* @param dr a TQString with the current CPU scaling driver, if available
* @internal
*/
void internalSetScalingDriver(TQString dr);
/**
* @param dp a TQStringList with the IDs of all processors that are dependent on the frequency/power settings of this one, if available
* @internal
*/
void internalSetDependentProcessors(TQStringList dp);
/**
* @param af a TQStringList with all valid scaling frequencies in Hz, if available
* @internal
*/
void internalSetAvailableFrequencies(TQStringList af);
/**
* @param gp a TQStringList with all available governor policies, if available
* @internal
*/
void internalSetAvailableGovernors(TQStringList gp);
/**
* @param cn an integer with the core number, starting at 0
* @internal
*/
void internalSetCoreNumber(int cn);
private:
double m_frequency;
double m_minfrequency;
double m_maxfrequency;
double m_transitionlatency;
TQString m_governor;
TQString m_scalingdriver;
TQStringList m_tiedprocs;
TQStringList m_frequencies;
TQStringList m_governers;
int m_corenumber;
friend class TDEHardwareDevices;
};
#endif // _TDECPUDEVICE_H
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