- add fine granular backlight support for devices with the corgi backlight interface

- add hinge sensor framework for devices with hinge sensors

2 files changed, 88 insertions, 12 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index e24e043..bc09e92 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -140,6 +140,9 @@ public:
         virtual OLedState ledState ( OLed led ) const;
         virtual bool setLedState ( OLed led, OLedState st );
 
+        virtual bool hasHingeSensor() const;
+        virtual OHingeStatus readHingeSensor();
+
         static bool isZaurus();
         
         // Does this break BC? 
@@ -823,7 +826,7 @@ bool ODevice::hasLightSensor ( ) const
 }
 
 /**
- * @return a value from the light senso
+ * @return a value from the light sensor
  */
 int ODevice::readLightSensor ( )
 {
@@ -831,7 +834,7 @@ int ODevice::readLightSensor ( )
 }
 
 /**
- * @return the light sensor resolution whatever that is ;)
+ * @return the light sensor resolution
  */
 int ODevice::lightSensorResolution ( ) const
 {
@@ -839,6 +842,22 @@ int ODevice::lightSensorResolution ( ) const
 }
 
 /**
+ * @return if the device has a hinge sensor
+ */
+bool ODevice::hasHingeSensor ( ) const
+{
+        return false;
+}
+
+/**
+ * @return a value from the hinge sensor
+ */
+OHingeStatus ODevice::readHingeSensor ( )
+{
+        return CASE_UNKNOWN;
+}
+
+/**
  * @return a list with CPU frequencies supported by the hardware
  */
 const QStrList &ODevice::allowedCpuFrequencies ( ) const
@@ -1945,18 +1964,30 @@ bool Zaurus::setSoftSuspend ( bool soft )
 
 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 ( bright > 255 ) bright = 255;
+    if ( bright < 0 ) bright = 0;
 
-        if (m_embedix) {
+    if ( m_embedix )
+    {
+        if ( d->m_model == Model_Zaurus_SLC7x0 )
+        {
+            // special treatment for devices with the corgi backlight interface
+            if (( fd = ::open ( "/proc/driver/fl/corgi-bl", O_WRONLY )) >= 0 )
+            {
+                if ( bright > 0x11 ) bright = 0x11;
+                char writeCommand[100];
+                const int count = sprintf( writeCommand, "0x%x\n", bright );
+                res = ( ::write ( fd, writeCommand, count ) != -1 );
+                ::close ( fd );
+            }
+            return res;
+        }
+        else
+        {
+            // standard treatment for devices with the dumb embedix frontlight interface
                 if (( fd = ::open ( "/dev/fl", O_WRONLY )) >= 0 ) {
                         int bl = ( bright * 4 + 127 ) / 255; // only 4 steps on zaurus
                         if ( bright && !bl )
@@ -1964,7 +1995,11 @@ bool Zaurus::setDisplayBrightness ( int bright )
                         res = ( ::ioctl ( fd, FL_IOCTL_STEP_CONTRAST, bl ) == 0 );
                         ::close ( fd );
                 }
-        } else {
+        }
+    }
+    else
+    {
+        // special treatment for the OpenZaurus unified interface
 #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 );
@@ -2073,11 +2108,42 @@ ODirection Zaurus::direction ( ) const
 int Zaurus::displayBrightnessResolution ( ) const
 {
         if (m_embedix)
-                return 5;
+                return d->m_model == Model_Zaurus_SLC7x0 ? 18 : 5;
         else
                 return 256;
 }
 
+bool Zaurus::hasHingeSensor() const
+{
+    return d->m_model == Model_Zaurus_SLC7x0;
+}
+
+OHingeStatus Zaurus::readHingeSensor()
+{
+    int handle = ::open("/dev/apm_bios", O_RDWR|O_NONBLOCK);
+    if (handle == -1)
+    {
+        qWarning("Zaurus::readHingeSensor() - failed (%s)", "unknown reason" ); //FIXME: use strerror
+        return CASE_UNKNOWN;
+    }
+    else
+    {
+        int retval = ::ioctl(handle, SHARP_IOCTL_GET_ROTATION);
+        ::close (handle);
+        if ( retval == CASE_CLOSED || retval == CASE_PORTRAIT || retval == CASE_LANDSCAPE )
+        {
+            qDebug( "Zaurus::readHingeSensor() - result = %d", retval );
+            return static_cast<OHingeStatus>( retval );
+        }
+        else
+        {
+            qWarning("Zaurus::readHingeSensor() - couldn't compute hinge status!" );
+            return CASE_UNKNOWN;
+        }
+    }
+}
+
+
 /**************************************************
  *
  * SIMpad
diff --git a/libopie/odevice.h b/libopie/odevice.h
index 8273761..ee0b0ec 100644
--- a/libopie/odevice.h
+++ b/libopie/odevice.h
@@ -143,6 +143,13 @@ enum ODirection {
         Flip = 2,
 };
 
+enum OHingeStatus {
+    CASE_CLOSED = 3,
+    CASE_PORTRAIT = 2,
+    CASE_LANDSCAPE = 0,
+    CASE_UNKNOWN = 1,
+};
+
 /**
  * A singleton which gives informations about device specefic option
  * like the Hardware used, LEDs, the Base Distribution and
@@ -222,6 +229,9 @@ public:
         virtual int readLightSensor ( );
         virtual int lightSensorResolution ( ) const;
 
+        virtual bool hasHingeSensor ( ) const;
+        virtual OHingeStatus readHingeSensor ( );
+
         const QStrList &allowedCpuFrequencies() const;
         bool setCurrentCpuFrequency(uint index);