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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2012-04-15 14:11:23 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2012-04-15 14:11:23 -0500
commitfde8fcb186c2d1e0654bfaa684f5f16e0b1dc9f9 (patch)
tree08f966005dd8c7bdb4676800ef4ef06dde92b54b /tdecore
parent76eb139db20543bc125d298e9d95cf8272885870 (diff)
downloadtdelibs-fde8fcb186c2d1e0654bfaa684f5f16e0b1dc9f9.tar.gz
tdelibs-fde8fcb186c2d1e0654bfaa684f5f16e0b1dc9f9.zip
Additional fixups to provide methods needed by kpowersave
Diffstat (limited to 'tdecore')
-rw-r--r--tdecore/tdehardwaredevices.cpp64
-rw-r--r--tdecore/tdehardwaredevices.h48
2 files changed, 102 insertions, 10 deletions
diff --git a/tdecore/tdehardwaredevices.cpp b/tdecore/tdehardwaredevices.cpp
index 3c1afe44a..424c7533c 100644
--- a/tdecore/tdehardwaredevices.cpp
+++ b/tdecore/tdehardwaredevices.cpp
@@ -930,6 +930,33 @@ void TDECPUDevice::setGovernor(TQString gv) {
stream << gv.lower();
file.close();
}
+
+ // Force update of the device information object
+ KGlobal::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
+ KGlobal::hardwareDevices()->processModifiedCPUs();
}
TDESensorDevice::TDESensorDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn) {
@@ -1213,6 +1240,14 @@ void TDEBatteryDevice::internalSetDischargeRate(double vt) {
m_dischargeRate = vt;
}
+double TDEBatteryDevice::timeRemaining() {
+ return m_timeRemaining;
+}
+
+void TDEBatteryDevice::internalSetTimeRemaining(double tr) {
+ m_timeRemaining = tr;
+}
+
TQString TDEBatteryDevice::technology() {
return m_technology;
}
@@ -1221,12 +1256,25 @@ void TDEBatteryDevice::internalSetTechnology(TQString tc) {
m_technology = tc;
}
-TQString TDEBatteryDevice::status() {
+TDEBatteryStatus::TDEBatteryStatus TDEBatteryDevice::status() {
return m_status;
}
void TDEBatteryDevice::internalSetStatus(TQString tc) {
- m_status = tc;
+ tc = tc.lower();
+
+ if (tc == "charging") {
+ m_status = TDEBatteryStatus::Charging;
+ }
+ else if (tc == "discharging") {
+ m_status = TDEBatteryStatus::Discharging;
+ }
+ else if (tc == "full") {
+ m_status = TDEBatteryStatus::Full;
+ }
+ else {
+ m_status = TDEBatteryStatus::Unknown;
+ }
}
bool TDEBatteryDevice::installed() {
@@ -1788,7 +1836,7 @@ void TDEHardwareDevices::processHotPluggedHardware() {
TQString actionevent(udev_device_get_action(dev));
if (actionevent == "add") {
TDEGenericDevice* device = classifyUnknownDevice(dev);
-
+
// Make sure this device is not a duplicate
TDEGenericDevice *hwdevice;
for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
@@ -1808,6 +1856,7 @@ void TDEHardwareDevices::processHotPluggedHardware() {
else if (actionevent == "remove") {
// Delete device from hardware listing
TQString systempath(udev_device_get_syspath(dev));
+ systempath += "/";
TDEGenericDevice *hwdevice;
for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
if (hwdevice->systemPath() == systempath) {
@@ -1837,6 +1886,7 @@ void TDEHardwareDevices::processHotPluggedHardware() {
else if (actionevent == "change") {
// Update device and emit change event
TQString systempath(udev_device_get_syspath(dev));
+ systempath += "/";
TDEGenericDevice *hwdevice;
for (hwdevice = m_deviceList.first(); hwdevice; hwdevice = m_deviceList.next()) {
if (hwdevice->systemPath() == systempath) {
@@ -1938,7 +1988,7 @@ void TDEHardwareDevices::processModifiedCPUs() {
scalingdriverfile.close();
}
nodename = cpufreq_dir.path();
- nodename.append("/scaling_min_freq");
+ nodename.append("/cpuinfo_min_freq");
TQFile minfrequencyfile(nodename);
if (minfrequencyfile.open(IO_ReadOnly)) {
TQTextStream stream( &minfrequencyfile );
@@ -1946,7 +1996,7 @@ void TDEHardwareDevices::processModifiedCPUs() {
minfrequencyfile.close();
}
nodename = cpufreq_dir.path();
- nodename.append("/scaling_max_freq");
+ nodename.append("/cpuinfo_max_freq");
TQFile maxfrequencyfile(nodename);
if (maxfrequencyfile.open(IO_ReadOnly)) {
TQTextStream stream( &maxfrequencyfile );
@@ -2680,6 +2730,7 @@ TDEGenericDevice* TDEHardwareDevices::classifyUnknownDevice(udev_device* dev, TD
devicesubsystem = (udev_device_get_subsystem(dev));
devicenode = (udev_device_get_devnode(dev));
systempath = (udev_device_get_syspath(dev));
+ systempath += "/";
devicevendorid = (udev_device_get_property_value(dev, "ID_VENDOR_ID"));
devicemodelid = (udev_device_get_property_value(dev, "ID_MODEL_ID"));
devicevendoridenc = (udev_device_get_property_value(dev, "ID_VENDOR_ENC"));
@@ -3660,6 +3711,9 @@ TDEGenericDevice* TDEHardwareDevices::classifyUnknownDevice(udev_device* dev, TD
++valuesdirit;
}
}
+
+ // Calculate time remaining
+ bdevice->internalSetTimeRemaining(bdevice->energy()*bdevice->dischargeRate()*60);
}
if (device->type() == TDEGenericDeviceType::PowerSupply) {
diff --git a/tdecore/tdehardwaredevices.h b/tdecore/tdehardwaredevices.h
index f3c11126f..9061ad7fc 100644
--- a/tdecore/tdehardwaredevices.h
+++ b/tdecore/tdehardwaredevices.h
@@ -773,6 +773,16 @@ class TDECORE_EXPORT TDECPUDevice : public TDEGenericDevice
*/
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);
+
protected:
/**
* @param fr a double with the current CPU frequency in MHz, if available
@@ -842,6 +852,15 @@ class TDECORE_EXPORT TDECPUDevice : public TDEGenericDevice
friend class TDEHardwareDevices;
};
+namespace TDEBatteryStatus {
+enum TDEBatteryStatus {
+ Charging,
+ Discharging,
+ Full,
+ Unknown = 0x80000000
+};
+};
+
class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
{
public:
@@ -902,14 +921,19 @@ class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
double dischargeRate();
/**
+ * @return a double with the current battery discharge time remaining in seconds, if available
+ */
+ double timeRemaining();
+
+ /**
* @return a TQString with the battery technology, if available
*/
TQString technology();
/**
- * @return a TQString with the battery status, if available
+ * @return a TDEBatteryStatus::TDEBatteryStatus with the current battery status
*/
- TQString status();
+ TDEBatteryStatus::TDEBatteryStatus status();
/**
* @return TRUE if the battery is installed
@@ -977,6 +1001,12 @@ class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
void internalSetDischargeRate(double vt);
/**
+ * @param a double with the current battery discharge time remaining in seconds, if available
+ * @internal
+ */
+ void internalSetTimeRemaining(double tr);
+
+ /**
* @param a TQString with the battery technology, if available
* @internal
*/
@@ -1004,8 +1034,9 @@ class TDECORE_EXPORT TDEBatteryDevice : public TDEGenericDevice
double m_maximumEnergy;
double m_maximumDesignEnergy;
double m_dischargeRate;
+ double m_timeRemaining;
TQString m_technology;
- TQString m_status;
+ TDEBatteryStatus::TDEBatteryStatus m_status;
bool m_installed;
friend class TDEHardwareDevices;
@@ -1569,7 +1600,7 @@ class TDECORE_EXPORT TDERootSystemDevice : public TDEGenericDevice
void setHibernationMethod(TDESystemHibernationMethod::TDESystemHibernationMethod hm);
/**
- * @param ps a TDESystemPowerState::TDESystemPowerState with the desired hibernation method
+ * @param ps a TDESystemPowerState::TDESystemPowerState with the desired power state
* @return TRUE if power state was set
*/
bool setPowerState(TDESystemPowerState::TDESystemPowerState ps);
@@ -1894,6 +1925,13 @@ class TDECORE_EXPORT TDEHardwareDevices : public TQObject
TDERootSystemDevice* rootSystemDevice();
/**
+ * Rescan a hardware device to look for changes
+ * WARNING: This method can be very expensive. Use with caution!
+ * @param hwdevice TDEGenericDevice* with the device to rescan
+ */
+ void rescanDeviceInformation(TDEGenericDevice* hwdevice);
+
+ /**
* Convert a byte count to human readable form
* @param bytes a double containing the number of bytes
* @return a TQString containing the human readable byte count
@@ -1913,7 +1951,6 @@ class TDECORE_EXPORT TDEHardwareDevices : public TQObject
void processStatelessDevices();
private:
- void rescanDeviceInformation(TDEGenericDevice* hwdevice);
void updateBlacklists(TDEGenericDevice* hwdevice, udev_device* dev);
private:
@@ -1958,6 +1995,7 @@ class TDECORE_EXPORT TDEHardwareDevices : public TQObject
friend class TDEGenericDevice;
friend class TDEStorageDevice;
+ friend class TDECPUDevice;
};
#endif \ No newline at end of file