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/* This file is part of the TDE libraries
Copyright (C) 2012 Timothy Pearson <[email protected]>
(C) 2013 Golubev Alexander <[email protected]>
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_TDEHWLIB_DAEMONS) || defined(WITH_HAL)
#include <tqdbusdata.h>
#include <tqdbusmessage.h>
#include <tqdbusproxy.h>
#include <tqdbusvariant.h>
#include <tqdbusconnection.h>
#endif // defined(WITH_TDEHWLIB_DAEMONS) || defined(WITH_HAL)
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;
}
#ifdef WITH_TDEHWLIB_DAEMONS
{
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].toBool();
}
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
#ifdef WITH_HAL
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.freedesktop.Hal",
"/org/freedesktop/Hal/devices/computer",
"org.freedesktop.Hal.Device.CPUFreq",
"GetCPUFreqGovernor");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
return true;
}
}
}
#endif // WITH_HAL
return false;
}
void TDECPUDevice::setGovernor(TQString gv) {
bool setGovernorDone = false;
TQString governornode = systemPath() + "/cpufreq/scaling_governor";
TQFile file( governornode );
if ( file.open( IO_WriteOnly ) ) {
TQTextStream stream( &file );
stream << gv.lower();
file.close();
setGovernorDone = true;
}
#ifdef WITH_TDEHWLIB_DAEMONS
if ( !setGovernorDone ) {
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());
TQT_DBusMessage reply = hardwareControl.sendWithReply("SetCPUGovernor", params);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
setGovernorDone = true;
}
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
#ifdef WITH_HAL
if ( !setGovernorDone ) {
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQT_DBusProxy cpuFreqControl("org.freedesktop.Hal", "/org/freedesktop/Hal/devices/computer", "org.freedesktop.Hal.Device.CPUFreq", dbusConn);
if (cpuFreqControl.canSend()) {
// set CPU governor
TQValueList<TQT_DBusData> params;
params << TQT_DBusData::fromString(gv.lower());
TQT_DBusMessage reply = cpuFreqControl.sendWithReply("SetCPUFreqGovernor", params);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
setGovernorDone = true;
}
}
}
}
#endif // WITH_HAL
// Force update of the device information object
if ( setGovernorDone ) {
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"
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