diff options
Diffstat (limited to 'tdecore/tdehw/tdecpudevice.cpp')
| -rw-r--r-- | tdecore/tdehw/tdecpudevice.cpp | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/tdecore/tdehw/tdecpudevice.cpp b/tdecore/tdehw/tdecpudevice.cpp new file mode 100644 index 000000000..b6b4b9bf4 --- /dev/null +++ b/tdecore/tdehw/tdecpudevice.cpp @@ -0,0 +1,226 @@ +/* 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. +*/ + +#include "tdecpudevice.h" + +#include <unistd.h> + +#include <tqfile.h> + +#include "tdeglobal.h" + +#include "tdehardwaredevices.h" + +#include "config.h" + +// uPower +#if defined(WITH_UPOWER) + #include <tqdbusdata.h> + #include <tqdbusmessage.h> + #include <tqdbusproxy.h> + #include <tqdbusvariant.h> + #include <tqdbusconnection.h> +#endif // defined(WITH_UPOWER) + + +TDECPUDevice::TDECPUDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn) { + m_frequency = -1; + m_minfrequency = -1; + m_maxfrequency = -1; + m_corenumber = -1; + m_transitionlatency = -1; +} + +TDECPUDevice::~TDECPUDevice() { +} + +double TDECPUDevice::frequency() { + return m_frequency; +} + +void TDECPUDevice::internalSetFrequency(double fr) { + m_frequency = fr; +} + +double TDECPUDevice::minFrequency() { + return m_minfrequency; +} + +void TDECPUDevice::internalSetMinFrequency(double fr) { + m_minfrequency = fr; +} + +double TDECPUDevice::maxFrequency() { + return m_maxfrequency; +} + +void TDECPUDevice::internalSetMaxFrequency(double fr) { + m_maxfrequency = fr; +} + +double TDECPUDevice::transitionLatency() { + return m_transitionlatency; +} + +void TDECPUDevice::internalSetTransitionLatency(double tl) { + m_transitionlatency = tl; +} + +TQString TDECPUDevice::governor() { + return m_governor; +} + +void TDECPUDevice::internalSetGovernor(TQString gr) { + m_governor = gr; +} + +TQString TDECPUDevice::scalingDriver() { + return m_scalingdriver; +} + +void TDECPUDevice::internalSetScalingDriver(TQString dr) { + m_scalingdriver = dr; +} + +TQStringList TDECPUDevice::dependentProcessors() { + return m_tiedprocs; +} + +void TDECPUDevice::internalSetDependentProcessors(TQStringList dp) { + m_tiedprocs = dp; +} + +TQStringList TDECPUDevice::availableFrequencies() { + return m_frequencies; +} + +void TDECPUDevice::internalSetAvailableFrequencies(TQStringList af) { + m_frequencies = af; +} + +TQStringList TDECPUDevice::availableGovernors() { + return m_governers; +} + +void TDECPUDevice::internalSetAvailableGovernors(TQStringList gp) { + m_governers = gp; +} + +void TDECPUDevice::internalSetCoreNumber(int cn) { + m_corenumber = cn; +} + +bool TDECPUDevice::canSetGovernor() { + TQString governornode = systemPath() + "/cpufreq/scaling_governor"; + int rval = access (governornode.ascii(), W_OK); + if (rval == 0) { + return TRUE; + } + else { +#ifdef WITH_UPOWER + TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus); + if (dbusConn.isConnected()) { + TQT_DBusProxy hardwareControl("org.trinitydesktop.hardwarecontrol", "/org/trinitydesktop/hardwarecontrol", "org.trinitydesktop.hardwarecontrol.CPUGovernor", dbusConn); + if (hardwareControl.canSend()) { + // can set CPU governor? + TQValueList<TQT_DBusData> params; + params << TQT_DBusData::fromInt32(coreNumber()); + TQT_DBusMessage reply = hardwareControl.sendWithReply("CanSetCPUGovernor", params); + if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) { + return reply[0].toVariant().value.toBool(); + } + else { + return FALSE; + } + } + else { + return FALSE; + } + } + else { + return FALSE; + } +#else // WITH_UPOWER + return FALSE; +#endif// WITH_UPOWER + } +} + +void TDECPUDevice::setGovernor(TQString gv) { + TQString governornode = systemPath() + "/cpufreq/scaling_governor"; + TQFile file( governornode ); + if ( file.open( IO_WriteOnly ) ) { + TQTextStream stream( &file ); + stream << gv.lower(); + file.close(); + } +#ifdef WITH_UPOWER + else { + TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus); + if (dbusConn.isConnected()) { + TQT_DBusProxy hardwareControl("org.trinitydesktop.hardwarecontrol", "/org/trinitydesktop/hardwarecontrol", "org.trinitydesktop.hardwarecontrol.CPUGovernor", dbusConn); + if (hardwareControl.canSend()) { + // set CPU governor + TQValueList<TQT_DBusData> params; + params << TQT_DBusData::fromInt32(coreNumber()) << TQT_DBusData::fromString(gv.lower()); + hardwareControl.sendWithReply("SetCPUGovernor", params); + } + else { + return; + } + } + else { + return; + } + } +#endif // WITH_UPOWER + + // Force update of the device information object + TDEGlobal::hardwareDevices()->processModifiedCPUs(); +} + +bool TDECPUDevice::canSetMaximumScalingFrequency() { + TQString freqnode = systemPath() + "/cpufreq/scaling_max_freq"; + int rval = access (freqnode.ascii(), W_OK); + if (rval == 0) { + return TRUE; + } + else { + return FALSE; + } +} + +void TDECPUDevice::setMaximumScalingFrequency(double fr) { + TQString freqnode = systemPath() + "/cpufreq/scaling_max_freq"; + TQFile file( freqnode ); + if ( file.open( IO_WriteOnly ) ) { + TQTextStream stream( &file ); + stream << TQString("%1").arg(fr*1000000.0, 0, 'f', 0); + file.close(); + } + + // Force update of the device information object + TDEGlobal::hardwareDevices()->processModifiedCPUs(); +} + +int TDECPUDevice::coreNumber() { + return m_corenumber; +} + +#include "tdecpudevice.moc" |