beginnings of cpu frequency changes

1 files changed, 58 insertions, 3 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index f808960..4b5a54e 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -43,64 +43,65 @@
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 #endif
 
 // _IO and friends are only defined in kernel headers ...
 
 #define OD_IOC(dir,type,number,size)    (( dir << 30 ) | ( type << 8 ) | ( number ) | ( size << 16 ))
 
 #define OD_IO(type,number)              OD_IOC(0,type,number,0)
 #define OD_IOW(type,number,size)        OD_IOC(1,type,number,sizeof(size))
 #define OD_IOR(type,number,size)        OD_IOC(2,type,number,sizeof(size))
 #define OD_IORW(type,number,size)       OD_IOC(3,type,number,sizeof(size))
 
 using namespace Opie;
 
 class ODeviceData {
 public:
 	QString m_vendorstr;
 	OVendor m_vendor;
 
 	QString m_modelstr;
 	OModel m_model;
 
 	QString m_systemstr;
 	OSystem m_system;
 
 	QString m_sysverstr;
 
 	Transformation m_rotation;
 	ODirection m_direction;
 
 	QValueList <ODeviceButton> *m_buttons;
 	uint                        m_holdtime;
+	QStrList                   *m_cpu_frequencies;
 };
 
 
 class iPAQ : public ODevice, public QWSServer::KeyboardFilter {
 protected:
 	virtual void init ( );
 	virtual void initButtons ( );
 
 public:
 	virtual bool setSoftSuspend ( bool soft );
 
 	virtual bool setDisplayBrightness ( int b );
 	virtual int displayBrightnessResolution ( ) const;
 
 	virtual void alarmSound ( );
 
 	virtual QValueList <OLed> ledList ( ) const;
 	virtual QValueList <OLedState> ledStateList ( OLed led ) const;
 	virtual OLedState ledState ( OLed led ) const;
 	virtual bool setLedState ( OLed led, OLedState st );
 
 	virtual bool hasLightSensor ( ) const;
 	virtual int readLightSensor ( );
 	virtual int lightSensorResolution ( ) const;
 
 protected:
 	virtual bool filter ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat );
 	virtual void timerEvent ( QTimerEvent *te );
 
 	int m_power_timer;
 
 	OLedState m_leds [2];
@@ -394,64 +395,65 @@ ODevice *ODevice::inst ( )
 		else
 			dev = new ODevice ( );
 
 		dev-> init ( );
 	}
 	return dev;
 }
 
 
 /**************************************************
  *
  * common
  *
  **************************************************/
 
 
 ODevice::ODevice ( )
 {
 	d = new ODeviceData;
 
 	d-> m_modelstr = "Unknown";
 	d-> m_model = Model_Unknown;
 	d-> m_vendorstr = "Unknown";
 	d-> m_vendor = Vendor_Unknown;
 	d-> m_systemstr = "Unknown";
 	d-> m_system = System_Unknown;
 	d-> m_sysverstr = "0.0";
 	d-> m_rotation = Rot0;
 	d-> m_direction = CW;
 
 	d-> m_holdtime = 1000; // 1000ms
 	d-> m_buttons = 0;
+	d-> m_cpu_frequencies = new QStrList;
 }
 
 void ODevice::systemMessage ( const QCString &msg, const QByteArray & )
 {
 	if ( msg == "deviceButtonMappingChanged()" ) {
 		reloadButtonMapping ( );
 	}
 }
 
 void ODevice::init ( )
 {
 }
 
 /**
  * This method initialises the  button mapping
  */
 void ODevice::initButtons ( )
 {
 	if ( d-> m_buttons )
 		return;
 
 	// Simulation uses iPAQ 3660 device buttons
 
 	qDebug ( "init Buttons" );
 	d-> m_buttons = new QValueList <ODeviceButton>;
 
 	for ( uint i = 0; i < ( sizeof( ipaq_buttons ) / sizeof( i_button )); i++ ) {
 		i_button *ib = ipaq_buttons + i;
 		ODeviceButton b;
 
 		if (( ib-> model & Model_iPAQ_H36xx ) == Model_iPAQ_H36xx ) {
 			b. setKeycode ( ib-> code );
@@ -744,64 +746,104 @@ OLedState ODevice::ledState ( OLed /*which*/ ) const
 bool ODevice::setLedState ( OLed which, OLedState st )
 {
         Q_UNUSED( which )
         Q_UNUSED( st    )
 	return false;
 }
 
 /**
  * @return if the device has a light sensor
  */
 bool ODevice::hasLightSensor ( ) const
 {
 	return false;
 }
 
 /**
  * @return a value from the light senso
  */
 int ODevice::readLightSensor ( )
 {
 	return -1;
 }
 
 /**
  * @return the light sensor resolution whatever that is ;)
  */
 int ODevice::lightSensorResolution ( ) const
 {
 	return 0;
 }
 
 /**
+ * @return a list with valid CPU frequency
+ */
+QStrList &ODevice::cpuFrequencies ( ) const
+{
+qWarning("ODevice::cpuFrequencies: m_cpu_frequencies is %d", (int) d->m_cpu_frequencies);
+	return *d->m_cpu_frequencies;
+}
+
+
+/**
+ * Set desired cpu frequency
+ * 
+ * @param index index into d->m_cpu_frequencies of the frequency to be set
+ */
+bool ODevice::setCpuFrequency(uint index)
+{
+	if (index >= d->m_cpu_frequencies->count())
+		return false;
+
+	char *freq = d->m_cpu_frequencies->at(index);
+	qWarning("set freq to %s", freq);
+
+	//TODO: do the change in /proc/sys/cpu/0/speed
+
+	return false;
+}
+
+/**
+ * Returns current frequency index out of d->m_cpu_frequencies
+ */
+uint ODevice::cpuFrequency() const
+{
+	// TODO: get freq from /proc/sys/cpu/0/speed and return index
+
+	return 0;
+}
+
+
+
+/**
  * @return a list of hardware buttons
  */
 const QValueList <ODeviceButton> &ODevice::buttons ( )
 {
 	initButtons ( );
 
 	return *d-> m_buttons;
 }
 
 /**
  * @return The amount of time that would count as a hold
  */
 uint ODevice::buttonHoldTime ( ) const
 {
 	return d-> m_holdtime;
 }
 
 /**
  * This method return a ODeviceButton for a key code
  * or 0 if no special hardware button is available for the device
  *
  * @return The devicebutton or 0l
  * @see ODeviceButton
  */
 const ODeviceButton *ODevice::buttonForKeycode ( ushort code )
 {
 	initButtons ( );
 
 	for ( QValueListConstIterator<ODeviceButton> it = d-> m_buttons-> begin ( ); it != d-> m_buttons-> end ( ); ++it ) {
 		if ( (*it). keycode ( ) == code )
 			return &(*it);
 	}
@@ -1921,172 +1963,185 @@ int SIMpad::displayBrightnessResolution ( ) const
  *
  * Ramses
  *
  **************************************************/
 
 void Ramses::init()
 {
 	d->m_vendorstr = "M und N";
 	d->m_vendor = Vendor_MundN;
 
 	QFile f("/proc/sys/board/ramses");
 
 	d->m_modelstr = "Ramses";
 	d->m_model = Model_Ramses_MNCI;
 
 	d->m_rotation = Rot0;
 	d->m_holdtime = 1000;
 
 	f.setName("/etc/oz_version");
 
 	if (f.open(IO_ReadOnly)) {
 	   	d->m_systemstr = "OpenEmbedded/Ramses";
 	    	d->m_system = System_OpenZaurus;
 
 		QTextStream ts(&f);
 		ts.setDevice(&f);
 		d->m_sysverstr = ts.readLine();
 		f.close();
 	}
 
 	m_power_timer = 0;
 
+qWarning("adding freq");
+	d->m_cpu_frequencies->append("100");
+	d->m_cpu_frequencies->append("200");
+	d->m_cpu_frequencies->append("300");
+	d->m_cpu_frequencies->append("400");
 }
 
 bool Ramses::filter(int /*unicode*/, int keycode, int modifiers, bool isPress, bool autoRepeat)
 {
         Q_UNUSED( keycode );
         Q_UNUSED( modifiers );
         Q_UNUSED( isPress );
         Q_UNUSED( autoRepeat );
 	return false;
 }
 
 void Ramses::timerEvent(QTimerEvent *)
 {
 	killTimer(m_power_timer);
 	m_power_timer = 0;
 	QWSServer::sendKeyEvent(-1, HardKey_Backlight, 0, true, false);
 	QWSServer::sendKeyEvent(-1, HardKey_Backlight, 0, false, false);
 }
 
 
 bool Ramses::setSoftSuspend(bool soft)
 {
 	qDebug("Ramses::setSoftSuspend(%d)", soft);
 #if 0
 	bool res = false;
 	int fd;
 
 	if (((fd = ::open("/dev/apm_bios", O_RDWR)) >= 0) ||
         ((fd = ::open("/dev/misc/apm_bios",O_RDWR)) >= 0)) {
 
 		int sources = ::ioctl(fd, APM_IOCGEVTSRC, 0); // get current event sources
 
 		if (sources >= 0) {
 			if (soft)
 				sources &= ~APM_EVT_POWER_BUTTON;
 			else
 				sources |= APM_EVT_POWER_BUTTON;
 
 			if (::ioctl(fd, APM_IOCSEVTSRC, sources) >= 0) // set new event sources
 				res = true;
 			else
 				perror("APM_IOCGEVTSRC");
 		}
 		else
 			perror("APM_IOCGEVTSRC");
 
 		::close(fd);
 	}
 	else
 		perror("/dev/apm_bios or /dev/misc/apm_bios");
 
     return res;
 #else
     return true;
 #endif
 }
 
 bool Ramses::suspend ( )
 {
 	qDebug("Ramses::suspend");
+	return false;
 }
 
 /**
  * This sets the display on or off
  */
 bool Ramses::setDisplayStatus(bool on)
 {
 	qDebug("Ramses::setDisplayStatus(%d)", on);
 #if 0
 	bool res = false;
 	int fd;
 
 	if ((fd = ::open ("/dev/fb/0", O_RDWR)) >= 0) {
 		res = (::ioctl(fd, FBIOBLANK, on ? VESA_NO_BLANKING : VESA_POWERDOWN) == 0);
 		::close(fd);
 	}
 	return res;
 #else
 	return true;
 #endif
 }
 
 
 /*
  * We get something between 0..255 into us
 */
 bool Ramses::setDisplayBrightness(int bright)
 {
 	qDebug("Ramses::setDisplayBrightness(%d)", bright);
 	bool res = false;
 	int fd;
 
 	// pwm1 brighness: 20 steps 500..0 (dunkel->hell)
 
 	if (bright > 255 )
 		bright = 255;
 	if (bright < 0)
 		bright = 0;
-	bright = 500-(bright * 500 / 255);
 
+	// Turn backlight completely off
+	if ((fd = ::open("/proc/sys/board/lcd_backlight", O_WRONLY)) >= 0) {
+		char writeCommand[10];
+		const int count = sprintf(writeCommand, "%d\n", bright ? 1 : 0);
+		res = (::write(fd, writeCommand, count) != -1);
+		::close(fd);
+	}
+
+	// scale backlight brightness to hardware
+	bright = 500-(bright * 500 / 255);
 	if ((fd = ::open("/proc/sys/board/pwm1", O_WRONLY)) >= 0) {
 		qDebug(" %d -> pwm1", bright);
 		char writeCommand[100];
 		const int count = sprintf(writeCommand, "%d\n", bright);
 		res = (::write(fd, writeCommand, count) != -1);
 		::close(fd);
-	} else {
-		qWarning("no write");
 	}
 	return res;
 }
 
 
 int Ramses::displayBrightnessResolution() const
 {
 	return 32;
 }
 
 bool Ramses::setDisplayContrast(int contr)
 {
 	qDebug("Ramses::setDisplayContrast(%d)", contr);
 	bool res = false;
 	int fd;
 
 	// pwm0 contrast: 20 steps 79..90 (dunkel->hell)
 
 	if (contr > 255 )
 		contr = 255;
 	if (contr < 0)
 		contr = 0;
 	contr = 90 - (contr * 20 / 255);
 
 	if ((fd = ::open("/proc/sys/board/pwm0", O_WRONLY)) >= 0) {
 		qDebug(" %d -> pwm0", contr);
 		char writeCommand[100];
 		const int count = sprintf(writeCommand, "%d\n", contr);
 		res = (::write(fd, writeCommand, count) != -1);
 		res = true;
 		::close(fd);
 	} else {