add some comments to Zaurus class

1 files changed, 17 insertions, 0 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 71ed9e4..9373ef9 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -1240,955 +1240,972 @@ QValueList <OLed> iPAQ::ledList ( ) const
 QValueList <OLedState> iPAQ::ledStateList ( OLed l ) const
 {
 	QValueList <OLedState> vl;
 
 	if ( l == Led_Power )
 		vl << Led_Off << Led_On << Led_BlinkSlow << Led_BlinkFast;
 	else if ( l == Led_BlueTooth && d-> m_model == Model_iPAQ_H38xx )
 		vl << Led_Off; // << Led_On << ???
 
 	return vl;
 }
 
 OLedState iPAQ::ledState ( OLed l ) const
 {
 	switch ( l ) {
 		case Led_Power:
 			return m_leds [0];
 		case Led_BlueTooth:
 			return m_leds [1];
 		default:
 			return Led_Off;
 	}
 }
 
 bool iPAQ::setLedState ( OLed l, OLedState st )
 {
 	static int fd = ::open ( "/dev/touchscreen/0", O_RDWR | O_NONBLOCK );
 
 	if ( l == Led_Power ) {
 		if ( fd >= 0 ) {
 			LED_IN leds;
 			::memset ( &leds, 0, sizeof( leds ));
 			leds. TotalTime  = 0;
 			leds. OnTime     = 0;
 			leds. OffTime    = 1;
 			leds. OffOnBlink = 2;
 
 			switch ( st ) {
 				case Led_Off      : leds. OffOnBlink = 0; break;
 				case Led_On       : leds. OffOnBlink = 1; break;
 				case Led_BlinkSlow: leds. OnTime = 10; leds. OffTime = 10; break;
 				case Led_BlinkFast: leds. OnTime =  5; leds. OffTime =  5; break;
 			}
 
 			if ( ::ioctl ( fd, LED_ON, &leds ) >= 0 ) {
 				m_leds [0] = st;
 				return true;
 			}
 		}
 	}
 	return false;
 }
 
 
 bool iPAQ::filter ( int /*unicode*/, int keycode, int modifiers, bool isPress, bool autoRepeat )
 {
 	int newkeycode = keycode;
 
 	switch ( keycode ) {
 		// H38xx/H39xx have no "Q" key anymore - this is now the Mail key
 		case HardKey_Menu: {
 			if (( d-> m_model == Model_iPAQ_H38xx ) ||
 			    ( d-> m_model == Model_iPAQ_H39xx ) ||
 			    ( d-> m_model == Model_iPAQ_H5xxx)) {
 				newkeycode = HardKey_Mail;
 			}
 			break;
 		}
 
 		// Rotate cursor keys 180°
 		case Key_Left :
 		case Key_Right:
 		case Key_Up   :
 		case Key_Down : {
 			if (( d-> m_model == Model_iPAQ_H31xx ) ||
 			    ( d-> m_model == Model_iPAQ_H38xx )) {
 				newkeycode = Key_Left + ( keycode - Key_Left + 2 ) % 4;
 			}
 			break;
 		}
 
 		// map Power Button short/long press to F34/F35
 		case Key_SysReq: {
 			if ( isPress ) {
 				if ( m_power_timer )
 					killTimer ( m_power_timer );
 				m_power_timer = startTimer ( 500 );
 			}
 			else if ( m_power_timer ) {
 				killTimer ( m_power_timer );
 				m_power_timer = 0;
 				QWSServer::sendKeyEvent ( -1, HardKey_Suspend, 0, true, false );
 				QWSServer::sendKeyEvent ( -1, HardKey_Suspend, 0, false, false );
 			}
 			newkeycode = Key_unknown;
 			break;
 		}
 	}
 
 	if ( newkeycode != keycode ) {
 		if ( newkeycode != Key_unknown )
 			QWSServer::sendKeyEvent ( -1, newkeycode, modifiers, isPress, autoRepeat );
 		return true;
 	}
 	else
 		return false;
 }
 
 void iPAQ::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 );
 }
 
 
 void iPAQ::alarmSound ( )
 {
 #ifndef QT_NO_SOUND
 	static Sound snd ( "alarm" );
 	int fd;
 	int vol;
 	bool vol_reset = false;
 
 	if (( fd = ::open ( "/dev/sound/mixer", O_RDWR )) >= 0 ) {
 		if ( ::ioctl ( fd, MIXER_READ( 0 ), &vol ) >= 0 ) {
 			Config cfg ( "qpe" );
 			cfg. setGroup ( "Volume" );
 
  			int volalarm = cfg. readNumEntry ( "AlarmPercent", 50 );
 			if ( volalarm < 0 )
 				volalarm = 0;
 			else if ( volalarm > 100 )
 				volalarm = 100;
 			volalarm |= ( volalarm << 8 );
 
 			if ( ::ioctl ( fd, MIXER_WRITE( 0 ), &volalarm ) >= 0 )
 				vol_reset = true;
 		}
 	}
 
 	snd. play ( );
 	while ( !snd. isFinished ( ))
 		qApp-> processEvents ( );
 
 	if ( fd >= 0 ) {
 		if ( vol_reset )
 			::ioctl ( fd, MIXER_WRITE( 0 ), &vol );
 		::close ( fd );
 	}
 #endif
 }
 
 
 bool iPAQ::setSoftSuspend ( bool soft )
 {
 	bool res = false;
 	int fd;
 
 	if (( fd = ::open ( "/proc/sys/ts/suspend_button_mode", O_WRONLY )) >= 0 ) {
 		if ( ::write ( fd, soft ? "1" : "0", 1 ) == 1 )
 			res = true;
 		else
 			::perror ( "write to /proc/sys/ts/suspend_button_mode" );
 
 		::close ( fd );
 	}
 	else
 		::perror ( "/proc/sys/ts/suspend_button_mode" );
 
 	return res;
 }
 
 
 bool iPAQ::setDisplayBrightness ( int bright )
 {
 	bool res = false;
 	int fd;
 
 	if ( bright > 255 )
 		bright = 255;
 	if ( bright < 0 )
 		bright = 0;
 
 	if (( fd = ::open ( "/dev/touchscreen/0", O_WRONLY )) >= 0 ) {
 		FLITE_IN bl;
 		bl. mode = 1;
 		bl. pwr = bright ? 1 : 0;
 		bl. brightness = ( bright * ( displayBrightnessResolution ( ) - 1 ) + 127 ) / 255;
 		res = ( ::ioctl ( fd, FLITE_ON, &bl ) == 0 );
 		::close ( fd );
 	}
 	return res;
 }
 
 int iPAQ::displayBrightnessResolution ( ) const
 {
 	switch ( model ( )) {
 		case Model_iPAQ_H31xx:
 		case Model_iPAQ_H36xx:
 		case Model_iPAQ_H37xx:
 			return 128;  	// really 256, but >128 could damage the LCD
 
 		case Model_iPAQ_H38xx:
 		case Model_iPAQ_H39xx:
 			return 64;
 		case Model_iPAQ_H5xxx:
 			return 255;
 
 		default:
 			return 2;
 	}
 }
 
 
 bool iPAQ::hasLightSensor ( ) const
 {
 	return true;
 }
 
 int iPAQ::readLightSensor ( )
 {
 	int fd;
 	int val = -1;
 
 	if (( fd = ::open ( "/proc/hal/light_sensor", O_RDONLY )) >= 0 ) {
 		char buffer [8];
 
 		if ( ::read ( fd, buffer, 5 ) == 5 ) {
 			char *endptr;
 
 			buffer [4] = 0;
 			val = ::strtol ( buffer + 2, &endptr, 16 );
 
 			if ( *endptr != 0 )
 				val = -1;
 		}
 		::close ( fd );
 	}
 
 	return val;
 }
 
 int iPAQ::lightSensorResolution ( ) const
 {
 	return 256;
 }
 
 /**************************************************
  *
  * Zaurus
  *
  **************************************************/
 
 // Check whether this device is the sharp zaurus..
+// FIXME This gets unnecessary complicated. We should think about splitting the Zaurus
+//       class up into individual classes. We need three classes
+//
+//       Zaurus-Collie (SA-model  w/ 320x240 lcd, for SL5500 and SL5000)
+//       Zaurus-Poodle (PXA-model w/ 320x240 lcd, for SL5600)
+//       Zaurus-Corgi  (PXA-model w/ 640x480 lcd, for C700, C750, C760, and C860)
+//
+//       Only question right now is: Do we really need to do it? Because as soon
+//       as the OpenZaurus kernel is ready, there will be a unified interface for all
+//       Zaurus models (concerning apm, backlight, buttons, etc.)
+//
+//       Comments? - mickeyl.
+
 bool Zaurus::isZaurus()
 {
 
 	// If the special devices by embedix exist, it is quite simple: it is a Zaurus !
 	if ( QFile::exists ( "/dev/sharp_buz" ) || QFile::exists ( "/dev/sharp_led" ) ){
 		return true;
 	}	
 
 	// On non-embedix kernels, we have to look closer.
 	bool is_zaurus = false;
 	QFile f ( "/proc/cpuinfo" );
 	if ( f. open ( IO_ReadOnly ) ) {
 		QString model;
 		QFile f ( "/proc/cpuinfo" );
 
   		QTextStream ts ( &f );
   		QString line;
   		while( line = ts. readLine ( ) ) {
   			if ( line. left ( 8 ) == "Hardware" )
   				break;
   		}
   		int loc = line. find ( ":" );
   		if ( loc != -1 )
   			model = line. mid ( loc + 2 ). simplifyWhiteSpace( );
 
 		if ( model == "Sharp-Collie" 
 		     || model == "Collie" 
 		     || model == "SHARP Corgi"
 		     || model == "SHARP Shepherd" 
 		     || model == "SHARP Poodle" 
                      || model == "SHARP Husky"
 		   )
 			is_zaurus = true;
 
   	}
 	return is_zaurus;
 }
 
 
 void Zaurus::init ( )
 {
 	d-> m_vendorstr = "Sharp";
 	d-> m_vendor = Vendor_Sharp;
 	m_embedix = true;  // Not openzaurus means: It has an embedix kernel !
 
 	// QFile f ( "/proc/filesystems" );
 	QString model;
 
 	// It isn't a good idea to check the system configuration to 
 	// detect the distribution ! 
 	// Otherwise it may happen that any other distribution is detected as openzaurus, just
 	// because it uses a jffs2 filesystem..  
 	// (eilers)
 	// if ( f. open ( IO_ReadOnly ) && ( QTextStream ( &f ). read ( ). find ( "\tjffs2\n" ) >= 0 )) {
 	QFile f ("/etc/oz_version");
 	if ( f.exists() ){
 		d-> m_vendorstr = "OpenZaurus Team";
 		d-> m_systemstr = "OpenZaurus";
 		d-> m_system = System_OpenZaurus;
 
 		if ( f. open ( IO_ReadOnly )) {
 			QTextStream ts ( &f );
 			d-> m_sysverstr = ts. readLine ( );//. mid ( 10 );
 			f. close ( );
 		}
 
 		// Openzaurus sometimes uses the embedix kernel!
 		// => Check whether this is an embedix kernel
 		FILE *uname = popen("uname -r", "r");
 		QString line;
 		if ( f.open(IO_ReadOnly, uname) ) {
 			QTextStream ts ( &f );
 			line = ts. readLine ( );
 			int loc = line. find ( "embedix" );
 			if ( loc != -1 )
 				m_embedix = true;
 			else
 				m_embedix = false;
 			f. close ( );
 		}
 		pclose(uname);
 	}
 	else {
 		d-> m_systemstr = "Zaurus";
 		d-> m_system = System_Zaurus;
 	}
 
 	f. setName ( "/proc/cpuinfo" );
 	if ( f. open ( IO_ReadOnly ) ) {
 		QTextStream ts ( &f );
 		QString line;
 		while( line = ts. readLine ( ) ) {
 			if ( line. left ( 8 ) == "Hardware" )
 				break;
 		}
 		int loc = line. find ( ":" );
 		if ( loc != -1 )
 			model = line. mid ( loc + 2 ). simplifyWhiteSpace( );
 	}
 
 	if ( model == "SHARP Corgi" ) {
 		d-> m_model = Model_Zaurus_SLC7x0;
 		d-> m_modelstr = "Zaurus SL-C700";
 	} else if ( model == "SHARP Shepherd" ) {
 		d-> m_model = Model_Zaurus_SLC7x0;
 		d-> m_modelstr = "Zaurus SL-C750";
 	} else if ( model == "SHARP Husky" ) {
 		d-> m_model = Model_Zaurus_SLC7x0;
 		d-> m_modelstr = "Zaurus SL-C760";
 	} else if ( model == "SHARP Poodle" ) {
 		d-> m_model = Model_Zaurus_SLB600;
 		d-> m_modelstr = "Zaurus SL-B500 or SL-5600";
 	} else if ( model == "Sharp-Collie" || model == "Collie" ) {
 		d-> m_model = Model_Zaurus_SL5500;
 		d-> m_modelstr = "Zaurus SL-5500 or SL-5000d";
 	} else {
 		d-> m_model = Model_Zaurus_SL5500;
 		d-> m_modelstr = "Zaurus (Model unknown)";
 	}
 
 	bool flipstate = false;
 	switch ( d-> m_model ) {
 		case Model_Zaurus_SLA300:
 			d-> m_rotation = Rot0;
 			break;
 		case Model_Zaurus_SLC7x0:
 			// Note: need to 1) set flipstate based on physical screen orientation
 			// and 2) check to see if the user overrode the rotation direction
 			// using appearance, and if so, remove that item from the Config to
 			// ensure the rotate applet flips us back to the previous state.
+			// treke said he has patches for detecting the phys. so where are they, treke? -mickeyl.
 			if ( flipstate ) {
 				// 480x640
 				d-> m_rotation = Rot0;
 				d-> m_direction = CW;
 			} else {
 				// 640x480
 				d-> m_rotation = Rot270;
 				d-> m_direction = CCW;
 			}
 			break;
 		case Model_Zaurus_SLB600:
 		case Model_Zaurus_SL5500:
 		case Model_Zaurus_SL5000:
 		default:
 			d-> m_rotation = Rot270;
 			break;
 	}
 	m_leds [0] = Led_Off;
 }
 
 void Zaurus::initButtons ( )
 {
 	if ( d-> m_buttons )
 		return;
 
 	d-> m_buttons = new QValueList <ODeviceButton>;
 
 	struct z_button * pz_buttons;
 	int buttoncount;
 	switch ( d-> m_model ) {
 		case Model_Zaurus_SLC7x0:
 			pz_buttons = z_buttons_c700;
 			buttoncount = ARRAY_SIZE(z_buttons_c700);
 			break;
 		default:
 			pz_buttons = z_buttons;
 			buttoncount = ARRAY_SIZE(z_buttons);
 			break;
 	}
 
 	for ( int i = 0; i < buttoncount; i++ ) {
 		struct z_button *zb = pz_buttons + i;
 		ODeviceButton b;
 
 		b. setKeycode ( zb-> code );
 		b. setUserText ( QObject::tr ( "Button", zb-> utext ));
 		b. setPixmap ( Resource::loadPixmap ( zb-> pix ));
 		b. setFactoryPresetPressedAction ( OQCopMessage ( makeChannel ( zb-> fpressedservice ), 
 								  zb-> fpressedaction ));
 		b. setFactoryPresetHeldAction ( OQCopMessage ( makeChannel ( zb-> fheldservice ), 
 							       zb-> fheldaction ));
 
 		d-> m_buttons-> append ( b );
 	}
 
 	reloadButtonMapping ( );
 
 	QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
 	connect ( sysch, SIGNAL( received( const QCString &, const QByteArray & )), 
 		  this, SLOT( systemMessage ( const QCString &, const QByteArray & )));
 }
 
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
 
 //#include <asm/sharp_char.h> // including kernel headers is evil ...
 
 #define SHARP_DEV_IOCTL_COMMAND_START 0x5680
 
 #define	SHARP_BUZZER_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
 #define SHARP_BUZZER_MAKESOUND   (SHARP_BUZZER_IOCTL_START)
 
 #define SHARP_BUZ_TOUCHSOUND       1  /* touch panel sound */
 #define SHARP_BUZ_KEYSOUND         2  /* key sound */
 #define SHARP_BUZ_SCHEDULE_ALARM  11  /* schedule alarm */
 
 /* --- for SHARP_BUZZER device --- */
 
 //#define	SHARP_BUZZER_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
 //#define SHARP_BUZZER_MAKESOUND   (SHARP_BUZZER_IOCTL_START)
 
 #define SHARP_BUZZER_SETVOLUME   (SHARP_BUZZER_IOCTL_START+1)
 #define SHARP_BUZZER_GETVOLUME   (SHARP_BUZZER_IOCTL_START+2)
 #define SHARP_BUZZER_ISSUPPORTED (SHARP_BUZZER_IOCTL_START+3)
 #define SHARP_BUZZER_SETMUTE     (SHARP_BUZZER_IOCTL_START+4)
 #define SHARP_BUZZER_STOPSOUND   (SHARP_BUZZER_IOCTL_START+5)
 
 //#define SHARP_BUZ_TOUCHSOUND       1  /* touch panel sound */
 //#define SHARP_BUZ_KEYSOUND         2  /* key sound */
 
 //#define SHARP_PDA_ILLCLICKSOUND    3  /* illegal click */
 //#define SHARP_PDA_WARNSOUND        4  /* warning occurred */
 //#define SHARP_PDA_ERRORSOUND       5  /* error occurred */
 //#define SHARP_PDA_CRITICALSOUND    6  /* critical error occurred */
 //#define SHARP_PDA_SYSSTARTSOUND    7  /* system start */
 //#define SHARP_PDA_SYSTEMENDSOUND   8  /* system shutdown */
 //#define SHARP_PDA_APPSTART         9  /* application start */
 //#define SHARP_PDA_APPQUIT         10  /* application ends */
 
 //#define SHARP_BUZ_SCHEDULE_ALARM  11  /* schedule alarm */
 //#define SHARP_BUZ_DAILY_ALARM     12  /* daily alarm */
 //#define SHARP_BUZ_GOT_PHONE_CALL  13  /* phone call sound */
 //#define SHARP_BUZ_GOT_MAIL        14  /* mail sound */
 //
 
 #define	SHARP_LED_IOCTL_START (SHARP_DEV_IOCTL_COMMAND_START)
 #define SHARP_LED_SETSTATUS   (SHARP_LED_IOCTL_START+1)
 
 typedef struct sharp_led_status {
   int which;   /* select which LED status is wanted. */
   int status;  /* set new led status if you call SHARP_LED_SETSTATUS */
 } sharp_led_status;
 
 #define SHARP_LED_MAIL_EXISTS  9       /* mail status (exists or not) */
 
 #define LED_MAIL_NO_UNREAD_MAIL  0   /* for SHARP_LED_MAIL_EXISTS */
 #define LED_MAIL_NEWMAIL_EXISTS  1   /* for SHARP_LED_MAIL_EXISTS */
 #define LED_MAIL_UNREAD_MAIL_EX  2   /* for SHARP_LED_MAIL_EXISTS */
 
 // #include <asm/sharp_apm.h> // including kernel headers is evil ...
 
 #define APM_IOCGEVTSRC          OD_IOR( 'A', 203, int )
 #define APM_IOCSEVTSRC          OD_IORW( 'A', 204, int )
 #define APM_EVT_POWER_BUTTON    (1 << 0)
 
 #define FL_IOCTL_STEP_CONTRAST    100
 
 
 void Zaurus::buzzer ( int sound )
 {
 #ifndef QT_NO_SOUND
 	QString soundname;
 
 	// Not all devices have real sound
 	if ( d->m_model == Model_Zaurus_SLC7x0
 	     || d->m_model == Model_Zaurus_SLB600 ){
 
 		switch ( sound ){
 		case SHARP_BUZ_SCHEDULE_ALARM:
 			soundname = "alarm";
 			break;
 		case SHARP_BUZ_TOUCHSOUND:
 			soundname = "touchsound";
 			break;
 		case SHARP_BUZ_KEYSOUND:
 			soundname = "keysound";
 			break;
 		default:
 			soundname = "alarm";
 			
 		}
 	}
 
 	// If a soundname is defined, we expect that this device has
 	// sound capabilities.. Otherwise we expect to have the buzzer
 	// device..
 	if ( !soundname.isEmpty() ){
 		int fd;
 		int vol;
 		bool vol_reset = false;
 
 		Sound snd ( soundname );
 		
 		if (( fd = ::open ( "/dev/sound/mixer", O_RDWR )) >= 0 ) {
 			if ( ::ioctl ( fd, MIXER_READ( 0 ), &vol ) >= 0 ) {
 				Config cfg ( "qpe" );
 				cfg. setGroup ( "Volume" );
 
 				int volalarm = cfg. readNumEntry ( "AlarmPercent", 50 );
 				if ( volalarm < 0 )
 					volalarm = 0;
 				else if ( volalarm > 100 )
 					volalarm = 100;
 				volalarm |= ( volalarm << 8 );
 
 				if ( ::ioctl ( fd, MIXER_WRITE( 0 ), &volalarm ) >= 0 )
 					vol_reset = true;
 			}
 		}
 
 		snd. play ( );
 		while ( !snd. isFinished ( ))
 			qApp-> processEvents ( );
 
 		if ( fd >= 0 ) {
 			if ( vol_reset )
 				::ioctl ( fd, MIXER_WRITE( 0 ), &vol );
 			::close ( fd );
 		}
 	} else {		
 		int fd = ::open ( "/dev/sharp_buz", O_WRONLY|O_NONBLOCK );
 		
 		if ( fd >= 0 ) {
 			::ioctl ( fd, SHARP_BUZZER_MAKESOUND, sound );
 			::close ( fd );
 		}
 
 	} 
 #endif
 }
 
 
 void Zaurus::alarmSound ( )
 {
 	buzzer ( SHARP_BUZ_SCHEDULE_ALARM );
 }
 
 void Zaurus::touchSound ( )
 {
 	buzzer ( SHARP_BUZ_TOUCHSOUND );
 }
 
 void Zaurus::keySound ( )
 {
 	buzzer ( SHARP_BUZ_KEYSOUND );
 }
 
 
 QValueList <OLed> Zaurus::ledList ( ) const
 {
 	QValueList <OLed> vl;
 	vl << Led_Mail;
 	return vl;
 }
 
 QValueList <OLedState> Zaurus::ledStateList ( OLed l ) const
 {
 	QValueList <OLedState> vl;
 
 	if ( l == Led_Mail )
 		vl << Led_Off << Led_On << Led_BlinkSlow;
 	return vl;
 }
 
 OLedState Zaurus::ledState ( OLed which ) const
 {
 	if ( which == Led_Mail )
 		return m_leds [0];
 	else
 		return Led_Off;
 }
 
 bool Zaurus::setLedState ( OLed which, OLedState st )
 {
 	if (!m_embedix) // Currently not supported on non_embedix kernels
 		return false;
 
 	static int fd = ::open ( "/dev/sharp_led", O_RDWR|O_NONBLOCK );
 
 	if ( which == Led_Mail ) {
 		if ( fd >= 0 ) {
 			struct sharp_led_status leds;
 			::memset ( &leds, 0, sizeof( leds ));
 			leds. which = SHARP_LED_MAIL_EXISTS;
 			bool ok = true;
 
 			switch ( st ) {
 				case Led_Off      : leds. status = LED_MAIL_NO_UNREAD_MAIL; break;
 				case Led_On       : leds. status = LED_MAIL_NEWMAIL_EXISTS; break;
 				case Led_BlinkSlow: leds. status = LED_MAIL_UNREAD_MAIL_EX; break;
 				default            : ok = false;
 			}
 
 			if ( ok && ( ::ioctl ( fd, SHARP_LED_SETSTATUS, &leds ) >= 0 )) {
 				m_leds [0] = st;
 				return true;
 			}
 		}
 	}
 	return false;
 }
 
 bool Zaurus::setSoftSuspend ( bool soft )
 {
 	if (!m_embedix) {
 		/* non-Embedix kernels dont have kernel autosuspend */
 		return ODevice::setSoftSuspend( soft );
 	}
 
 	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;
 }
 
 
 bool Zaurus::setDisplayBrightness ( int bright )
 {
+// FIXME The C7x0 have a proc-interface (/proc/drivers/corgi-bl) which
+//       is nice to use. Currently it exposes 16+1 levels. Implement this!
+//       (or wait for kergoth unifying the interfaces in the OpenZaurus kernel.)
 	bool res = false;
 	int fd;
 
 	if ( bright > 255 )
 		bright = 255;
 	if ( bright < 0 )
 		bright = 0;
 
 	if (m_embedix) {
 		if (( fd = ::open ( "/dev/fl", O_WRONLY )) >= 0 ) {
 			int bl = ( bright * 4 + 127 ) / 255; // only 4 steps on zaurus
 			if ( bright && !bl )
 				bl = 1;
 			res = ( ::ioctl ( fd, FL_IOCTL_STEP_CONTRAST, bl ) == 0 );
 			::close ( fd );
 		}
 	} else {
 #define FB_BACKLIGHT_SET_BRIGHTNESS     _IOW('F', 1, u_int)             /* set brightness */
 		if (( fd = ::open ( "/dev/fb0", O_WRONLY )) >= 0 ) {
 			res = ( ::ioctl ( fd , FB_BACKLIGHT_SET_BRIGHTNESS, bright ) == 0 );
 			::close ( fd );
 		}
 	}
 	return res;
 }
 
 
 int Zaurus::displayBrightnessResolution ( ) const
 {
 	if (m_embedix)
 		return 5;
 	else
 		return 256;
 }
 
 /**************************************************
  *
  * SIMpad
  *
  **************************************************/
 
 void SIMpad::init ( )
 {
 	d-> m_vendorstr = "SIEMENS";
 	d-> m_vendor = Vendor_SIEMENS;
 
 	QFile f ( "/proc/hal/model" );
 
     //TODO Implement model checking
     //FIXME For now we assume an SL4
 
     d-> m_modelstr = "SL4";
     d-> m_model = Model_SIMpad_SL4;
 
 	switch ( d-> m_model ) {
 		default:
 			d-> m_rotation = Rot0;
 			d-> m_direction = CCW;
 			d-> m_holdtime = 1000; // 1000ms
 
 			break;
 	}
 
 	f. setName ( "/etc/familiar-version" );
 	if ( f. open ( IO_ReadOnly )) {
 		d-> m_systemstr = "Familiar";
 		d-> m_system = System_Familiar;
 
 		QTextStream ts ( &f );
 		d-> m_sysverstr = ts. readLine ( ). mid ( 10 );
 
 		f. close ( );
 	} else {
 	    f. setName ( "/etc/oz_version" );
 
                     if ( f. open ( IO_ReadOnly )) {
 	    	d-> m_systemstr = "OpenEmbedded/SIMpad";
     		d-> m_system = System_OpenZaurus;
 
 	    	QTextStream ts ( &f );
 		    ts.setDevice ( &f );
 	    	d-> m_sysverstr = ts. readLine ( );
 		    f. close ( );
         }
     }
 
 	m_leds [0] = m_leds [1] = Led_Off;
 
 	m_power_timer = 0;
 
 }
 
 void SIMpad::initButtons ( )
 {
 	if ( d-> m_buttons )
 		return;
 
 	if ( isQWS( ) )
 		QWSServer::setKeyboardFilter ( this );
 
 	d-> m_buttons = new QValueList <ODeviceButton>;
 
 	for ( uint i = 0; i < ( sizeof( simpad_buttons ) / sizeof( s_button )); i++ ) {
 		s_button *sb = simpad_buttons + i;
 		ODeviceButton b;
 
 		if (( sb-> model & d-> m_model ) == d-> m_model ) {
 			b. setKeycode ( sb-> code );
 			b. setUserText ( QObject::tr ( "Button", sb-> utext ));
 			b. setPixmap ( Resource::loadPixmap ( sb-> pix ));
 			b. setFactoryPresetPressedAction ( OQCopMessage ( makeChannel ( sb-> fpressedservice ), sb-> fpressedaction ));
 			b. setFactoryPresetHeldAction ( OQCopMessage ( makeChannel ( sb-> fheldservice ), sb-> fheldaction ));
 
 			d-> m_buttons-> append ( b );
 		}
 	}
 	reloadButtonMapping ( );
 
 	QCopChannel *sysch = new QCopChannel ( "QPE/System", this );
 	connect ( sysch, SIGNAL( received( const QCString &, const QByteArray & )), this, SLOT( systemMessage ( const QCString &, const QByteArray & )));
 }
 
 // SIMpad boardcontrol register CS3
 #define SIMPAD_BOARDCONTROL "/proc/cs3"
 #define SIMPAD_VCC_5V_EN                   0x0001 // For 5V PCMCIA
 #define SIMPAD_VCC_3V_EN                   0x0002 // FOR 3.3V PCMCIA
 #define SIMPAD_EN1                         0x0004 // This is only for EPROM's
 #define SIMPAD_EN0                         0x0008 // Both should be enable for 3.3V or 5V
 #define SIMPAD_DISPLAY_ON                  0x0010
 #define SIMPAD_PCMCIA_BUFF_DIS             0x0020
 #define SIMPAD_MQ_RESET                    0x0040
 #define SIMPAD_PCMCIA_RESET                0x0080
 #define SIMPAD_DECT_POWER_ON               0x0100
 #define SIMPAD_IRDA_SD                     0x0200 // Shutdown for powersave
 #define SIMPAD_RS232_ON                    0x0400
 #define SIMPAD_SD_MEDIAQ                   0x0800 // Shutdown for powersave
 #define SIMPAD_LED2_ON                     0x1000
 #define SIMPAD_IRDA_MODE                   0x2000 // Fast/Slow IrDA mode
 #define SIMPAD_ENABLE_5V                   0x4000 // Enable 5V circuit
 #define SIMPAD_RESET_SIMCARD               0x8000
 
 //SIMpad touchscreen backlight strength control
 #define SIMPAD_BACKLIGHT_CONTROL "/proc/driver/mq200/registers/PWM_CONTROL"
 #define SIMPAD_BACKLIGHT_MASK    0x00a10044
 
 QValueList <OLed> SIMpad::ledList ( ) const
 {
 	QValueList <OLed> vl;
 	vl << Led_Power; //FIXME which LED is LED2 ? The green one or the amber one?
 	//vl << Led_Mail; //TODO find out if LED1 is accessible anyway
 	return vl;
 }
 
 QValueList <OLedState> SIMpad::ledStateList ( OLed l ) const
 {
 	QValueList <OLedState> vl;
 
 	if ( l == Led_Power )  //FIXME which LED is LED2 ? The green one or the amber one?
 		vl << Led_Off << Led_On;
 	//else if ( l == Led_Mail ) //TODO find out if LED1 is accessible anyway
 		//vl << Led_Off;
 	return vl;
 }
 
 OLedState SIMpad::ledState ( OLed l ) const
 {
 	switch ( l ) {
 		case Led_Power:
 			return m_leds [0];
 		//case Led_Mail:
 		//	return m_leds [1];
 		default:
 			return Led_Off;
 	}
 }
 
 bool SIMpad::setLedState ( OLed l, OLedState st )
 {
 	static int fd = ::open ( SIMPAD_BOARDCONTROL, O_RDWR | O_NONBLOCK );
 
 	if ( l == Led_Power ) {
 		if ( fd >= 0 ) {
 			LED_IN leds;
 			::memset ( &leds, 0, sizeof( leds ));
 			leds. TotalTime  = 0;
 			leds. OnTime     = 0;
 			leds. OffTime    = 1;
 			leds. OffOnBlink = 2;
 
 			switch ( st ) {
 				case Led_Off      : leds. OffOnBlink = 0; break;
 				case Led_On       : leds. OffOnBlink = 1; break;
 				case Led_BlinkSlow: leds. OnTime = 10; leds. OffTime = 10; break;
 				case Led_BlinkFast: leds. OnTime =  5; leds. OffTime =  5; break;
 			}
 
 			{
             /*TODO Implement this like that:
                read from cs3
                && with SIMPAD_LED2_ON
                write to cs3 */
 				m_leds [0] = st;
 				return true;
 			}
 		}
 	}
 	return false;
 }
 
 
 bool SIMpad::filter ( int /*unicode*/, int keycode, int modifiers, bool isPress, bool autoRepeat )
 {
 	//TODO
 	return false;
 }
 
 void SIMpad::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 );
 }
 
 
 void SIMpad::alarmSound ( )
 {
 #ifndef QT_NO_SOUND
 	static Sound snd ( "alarm" );
 	int fd;
 	int vol;
 	bool vol_reset = false;
 
 	if (( fd = ::open ( "/dev/sound/mixer", O_RDWR )) >= 0 ) {
 		if ( ::ioctl ( fd, MIXER_READ( 0 ), &vol ) >= 0 ) {
 			Config cfg ( "qpe" );
 			cfg. setGroup ( "Volume" );
 
  			int volalarm = cfg. readNumEntry ( "AlarmPercent", 50 );
 			if ( volalarm < 0 )
 				volalarm = 0;
 			else if ( volalarm > 100 )
 				volalarm = 100;
 			volalarm |= ( volalarm << 8 );
 
 			if ( ::ioctl ( fd, MIXER_WRITE( 0 ), &volalarm ) >= 0 )
 				vol_reset = true;
 		}
 	}
 
 	snd. play ( );
 	while ( !snd. isFinished ( ))
 		qApp-> processEvents ( );
 
 	if ( fd >= 0 ) {
 		if ( vol_reset )