add support for the linux 2.6 backlight interface on tosa, poodle, and collie

2 files changed, 42 insertions, 28 deletions

diff --git a/libopie2/opiecore/device/odevice_zaurus.cpp b/libopie2/opiecore/device/odevice_zaurus.cpp
index 1742100..21d2342 100644
--- a/libopie2/opiecore/device/odevice_zaurus.cpp
+++ b/libopie2/opiecore/device/odevice_zaurus.cpp
@@ -1,73 +1,72 @@
 /*
-                             This file is part of the Opie Project
-
-                             Copyright (C)2002-2005 The Opie Team <opie-devel@handhelds.org>
+                             This file is part of the Opie Project
+                             Copyright (C) 2002-2005 The Opie Team <opie-devel@handhelds.org>
               =.
             .=l.
-           .>+-=
- _;:,     .>    :=|.         This program is free software; you can
-.> <`_,   >  .   <=          redistribute it and/or  modify it under
-:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
-.="- .-=="i,     .._         License as published by the Free Software
- - .   .-<_>     .<>         Foundation; either version 2 of the License,
-     ._= =}       :          or (at your option) any later version.
-    .%`+i>       _;_.
-    .i_,=:_.      -<s.       This program 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.
+           .>+-=
+ _;:,     .>    :=|.         This program is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; version 2 of the License.
+     ._= =}       :
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This program 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., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 */
 
 #include "odevice_zaurus.h"
 
 /* QT */
 #include <qapplication.h>
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qwindowsystem_qws.h>
 
 /* OPIE */
 #include <opie2/oinputsystem.h>
 #include <opie2/oresource.h>
 
 #include <qpe/config.h>
 #include <qpe/sound.h>
 #include <qpe/qcopenvelope_qws.h>
 
 /* STD */
 #include <fcntl.h>
 #include <math.h>
 #include <stdlib.h>
 #include <signal.h>
 #include <sys/ioctl.h>
 #include <sys/time.h>
 #include <unistd.h>
 #ifndef QT_NO_SOUND
 #include <linux/soundcard.h>
 #endif
 
 using namespace Opie::Core;
 using namespace Opie::Core::Internal;
 
 struct z_button z_buttons [] = {
     { Qt::Key_F9, QT_TRANSLATE_NOOP("Button", "Calendar Button"),
     "devicebuttons/z_calendar",
     "datebook", "nextView()",
     "today", "raise()" },
     { Qt::Key_F10, QT_TRANSLATE_NOOP("Button", "Contacts Button"),
     "devicebuttons/z_contact",
     "addressbook", "raise()",
     "addressbook", "beamBusinessCard()" },
     { Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
     "devicebuttons/z_home",
     "QPE/Launcher", "home()",
@@ -75,175 +74,189 @@ struct z_button z_buttons [] = {
     { Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
     "devicebuttons/z_menu",
     "QPE/TaskBar", "toggleMenu()",
     "QPE/TaskBar", "toggleStartMenu()" },
     { Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Mail Button"),
     "devicebuttons/z_mail",
     "opiemail", "raise()",
     "opiemail", "newMail()" },
 };
 
 struct z_button z_buttons_c700 [] = {
     { Qt::Key_F9, QT_TRANSLATE_NOOP("Button", "Calendar Button"),
     "devicebuttons/z_calendar",
     "datebook", "nextView()",
     "today", "raise()" },
     { Qt::Key_F10, QT_TRANSLATE_NOOP("Button", "Contacts Button"),
     "devicebuttons/z_contact",
     "addressbook", "raise()",
     "addressbook", "beamBusinessCard()" },
     { Qt::Key_F12, QT_TRANSLATE_NOOP("Button", "Home Button"),
     "devicebuttons/z_home",
     "QPE/Launcher", "home()",
     "buttonsettings", "raise()" },
     { Qt::Key_F11, QT_TRANSLATE_NOOP("Button", "Menu Button"),
     "devicebuttons/z_menu",
     "QPE/TaskBar", "toggleMenu()",
     "QPE/TaskBar", "toggleStartMenu()" },
     { Qt::Key_F13, QT_TRANSLATE_NOOP("Button", "Mail Button"),
     "devicebuttons/z_mail",
     "opiemail", "raise()",
     "opiemail", "newMail()" },
 
     { Qt::Key_F15, QT_TRANSLATE_NOOP("Button", "Hinge1"),
     "devicebuttons/z_hinge1",
     "QPE/Rotation", "rotateDefault()",0},
     { Qt::Key_F16, QT_TRANSLATE_NOOP("Button", "Hinge2"),
     "devicebuttons/z_hinge2",
     "QPE/Rotation", "rotateDefault()",0},
     { Qt::Key_F17, QT_TRANSLATE_NOOP("Button", "Hinge3"),
     "devicebuttons/z_hinge3",
     "QPE/Rotation", "rotateDefault()",0},
 };
 
 // FIXME This gets unnecessary complicated. We should think about splitting the Zaurus
 //       class up into individual classes. We would 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, C860, C3000, C1000)
+//       Zaurus-Corgi  (PXA-model w/ 640x480 lcd, for C700, C750, C760, C860, C3000, C1000, C3100)
 //       Zaurus-Tosa   (PXA-model w/ 480x640 lcd, for SL6000)
 
 void Zaurus::init(const QString& cpu_info)
 {
     // Set the time to wait until the system is really suspended
     // the delta between apm --suspend and sleeping
     setAPMTimeOut( 15000 );
 
     // generic distribution code already scanned /etc/issue at that point -
     // embedix releases contain "Embedix <version> | Linux for Embedded Devices"
     if ( d->m_sysverstr.contains( "embedix", false ) )
     {
         d->m_vendorstr = "Sharp";
         d->m_vendor = Vendor_Sharp;
         d->m_systemstr = "Zaurus";
         d->m_system = System_Zaurus;
         m_embedix = true;
     }
     else
     {
         d->m_vendorstr = "OpenZaurus Team";
         d->m_systemstr = "OpenZaurus";
         d->m_system = System_OpenZaurus;
         // sysver already gathered
 
         // OpenZaurus sometimes uses the 2.4 (embedix) kernel, check if this is one
         FILE *uname = popen("uname -r", "r");
         QFile f;
         QString line;
         if ( f.open(IO_ReadOnly, uname) ) {
             QTextStream ts ( &f );
             line = ts.readLine();
             m_embedix = line.startsWith( "2.4." );
             f.close();
         }
         pclose(uname);
     }
 
     // check the Zaurus model
     QString model;
     int loc = cpu_info.find( ":" );
     if ( loc != -1 )
         model = cpu_info.mid( loc+2 ).simplifyWhiteSpace();
     else
         model = cpu_info;
 
     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 or SL-C860";
     } else if ( model == "SHARP Boxer" ) {
         d->m_model = Model_Zaurus_SLC7x0;
         d->m_modelstr = "Zaurus SL-C760 or SL-C860";
     } 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 if ( model == "SHARP Tosa" ) {
         d->m_model = Model_Zaurus_SL6000;
         d->m_modelstr = "Zaurus SL-6000";
     } else if ( model == "SHARP Spitz" ) {
         d->m_model = Model_Zaurus_SLC3000;
         d->m_modelstr = "Zaurus SL-C3000";
     } else if ( model == "SHARP Akita" ) {
         d->m_model = Model_Zaurus_SLC1000;
         d->m_modelstr = "Zaurus SL-C1000";
     } else {
         d->m_model = Model_Zaurus_SL5500;
         d->m_modelstr = "Unknown Zaurus";
     }
 
+    // set path to backlight device in kernel 2.6
+    switch ( d->m_model ) {
+        case Model_Zaurus_SLB600: // fallthrough
+        case Model_Zaurus_SL5500:
+            m_backlightdev = "/sys/class/backlight/locomo-backlight/";
+            break;
+        case Model_Zaurus_SL6000:
+            m_backlightdev = "/sys/class/backlight/tosa-bl/";
+            break;
+        default:
+            m_backlightdev = "/sys/class/backlight/corgi-bl/";
+            break;
+    }
+
     // set initial rotation
     switch( d->m_model ) {
         case Model_Zaurus_SL6000: // fallthrough
         case Model_Zaurus_SLA300:
             d->m_rotation = Rot0;
             break;
         case Model_Zaurus_SLC3000: // fallthrough
         case Model_Zaurus_SLC1000: // fallthrough
         case Model_Zaurus_SLC7x0:
             d->m_rotation = rotation();
             d->m_direction = direction();
             break;
         case Model_Zaurus_SLB600: // fallthrough
         case Model_Zaurus_SL5000: // fallthrough
         case Model_Zaurus_SL5500: // fallthrough
         default:
             d->m_rotation = Rot270;
             break;
     }
     m_leds[0] = Led_Off;
 
     if ( m_embedix )
         qDebug( "Zaurus::init() - Using the 2.4 Embedix HAL on a %s", (const char*) d->m_modelstr );
     else
         qDebug( "Zaurus::init() - Using the 2.6 OpenZaurus HAL on a %s", (const char*) d->m_modelstr );
 }
 
 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_SLC3000: // fallthrough
         case Model_Zaurus_SLC1000: // fallthrough
         case Model_Zaurus_SLC7x0:
             if ( isQWS( ) ) {
                 addPreHandler(this); // hinge-sensor-handler
             }
             pz_buttons = z_buttons_c700;
             buttoncount = ARRAY_SIZE(z_buttons_c700);
             break;
         default:
@@ -366,157 +379,157 @@ bool Zaurus::setLedState( OLed which, OLedState st )
 {
      // Currently not supported on non_embedix kernels
     if (!m_embedix)
     {
         qDebug( "Zaurus::setLedState: ODevice handling for non-embedix kernels not yet implemented" );
         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;
 }
 
 int Zaurus::displayBrightnessResolution() const
 {
     int res = 1;
     if (m_embedix)
     {
         int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_RDWR|O_NONBLOCK );
         if ( fd )
         {
             int value = ::ioctl( fd, SHARP_FL_IOCTL_GET_STEP, 0 );
             ::close( fd );
             return value ? value : res;
         }
     }
     else
     {
-        int fd = ::open( "/sys/class/backlight/corgi-bl/max_brightness", O_RDONLY|O_NONBLOCK );
+        int fd = ::open( m_backlightdev + "max_brightness", O_RDONLY|O_NONBLOCK );
         if ( fd )
         {
             char buf[100];
             if ( ::read( fd, &buf[0], sizeof buf ) ) ::sscanf( &buf[0], "%d", &res );
             ::close( fd );
         }
     }
     return res;
 }
 
 bool Zaurus::setDisplayBrightness( int bright )
 {
     //qDebug( "Zaurus::setDisplayBrightness( %d )", bright );
     bool res = false;
 
     if ( bright > 255 ) bright = 255;
     if ( bright < 0 ) bright = 0;
 
     int numberOfSteps = displayBrightnessResolution();
     int val = ( bright == 1 ) ? 1 : ( bright * numberOfSteps ) / 255;
 
     if ( m_embedix )
     {
         int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_WRONLY|O_NONBLOCK );
         if ( fd )
         {
             res = ( ::ioctl( fd, SHARP_FL_IOCTL_STEP_CONTRAST, val ) == 0 );
             ::close( fd );
         }
     }
     else
     {
-        int fd = ::open( "/sys/class/backlight/corgi-bl/brightness", O_WRONLY|O_NONBLOCK );
+        int fd = ::open( m_backlightdev + "brightness", O_WRONLY|O_NONBLOCK );
         if ( fd )
         {
             char buf[100];
             int len = ::snprintf( &buf[0], sizeof buf, "%d", val );
             res = ( ::write( fd, &buf[0], len ) == 0 );
             ::close( fd );
         }
     }
     return res;
 }
 
 bool Zaurus::setDisplayStatus( bool on )
 {
     bool res = false;
     if ( m_embedix )
     {
         int fd = ::open( SHARP_FL_IOCTL_DEVICE, O_WRONLY|O_NONBLOCK );
         if ( fd )
         {
             int ioctlnum = on ? SHARP_FL_IOCTL_ON : SHARP_FL_IOCTL_OFF;
             res = ( ::ioctl ( fd, ioctlnum, 0 ) == 0 );
             ::close ( fd );
         }
     }
     else
     {
-        int fd = ::open( "/sys/class/backlight/corgi-bl/power", O_WRONLY|O_NONBLOCK );
+        int fd = ::open( m_backlightdev + "power", O_WRONLY|O_NONBLOCK );
         if ( fd )
         {
             char buf[10];
             buf[0] = on ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
             buf[1] = '\0';
             res = ( ::write( fd, &buf[0], 2 ) == 0 );
             ::close( fd );
         }
     }
     return res;
 }
 
 Transformation Zaurus::rotation() const
 {
     qDebug( "Zaurus::rotation()" );
     Transformation rot;
 
     switch ( d->m_model ) {
         case Model_Zaurus_SLC3000: // fallthrough
         case Model_Zaurus_SLC1000: // fallthrough
         case Model_Zaurus_SLC7x0:
         {
             OHingeStatus hs = readHingeSensor();
             qDebug( "Zaurus::rotation() - hinge sensor = %d", (int) hs );
 
             if ( m_embedix )
             {
                 if ( hs == CASE_PORTRAIT ) rot = Rot0;
                 else if ( hs == CASE_UNKNOWN ) rot = Rot0;
                 else rot = Rot270;
             }
             else
             {
                 if ( hs == CASE_PORTRAIT ) rot = Rot90;
                 else if ( hs == CASE_UNKNOWN ) rot = Rot0;
                 else rot = Rot0;
             }
         }
             break;
         case Model_Zaurus_SL6000:
         case Model_Zaurus_SLB600:
         case Model_Zaurus_SLA300:
         case Model_Zaurus_SL5500:
         case Model_Zaurus_SL5000:
         default:
             rot = d->m_rotation;
             break;
     }
diff --git a/libopie2/opiecore/device/odevice_zaurus.h b/libopie2/opiecore/device/odevice_zaurus.h
index 4250356..4314aff 100644
--- a/libopie2/opiecore/device/odevice_zaurus.h
+++ b/libopie2/opiecore/device/odevice_zaurus.h
@@ -1,60 +1,60 @@
 /*
                              This file is part of the Opie Project
                              Copyright (C) 2002-2005 The Opie Team <opie-devel@handhelds.org>
               =.
             .=l.
            .>+-=
  _;:,     .>    :=|.         This program is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or  modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
 .="- .-=="i,     .._         License as published by the Free Software
- - .   .-<_>     .<>         Foundation; either version 2 of the License,
-     ._= =}       :          or (at your option) any later version.
+ - .   .-<_>     .<>         Foundation; version 2 of the License.
+     ._= =}       :
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This program 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., 59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 */
 
 #ifndef ODEVICE_ZAURUS
 #define ODEVICE_ZAURUS
 
 #include "odevice_abstractmobiledevice.h"
 
 /* QT */
 #include <qwindowsystem_qws.h>
 
 #ifndef ARRAY_SIZE
 #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))
 
 // Audio
 #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 */
 
 #define SHARP_BUZZER_SETVOLUME   (SHARP_BUZZER_IOCTL_START+1)
 #define SHARP_BUZZER_GETVOLUME   (SHARP_BUZZER_IOCTL_START+2)
@@ -80,65 +80,66 @@
 
 // Brightness Embedix
 #define SHARP_FL_IOCTL_DEVICE   "/dev/sharp_fl"
 #define SHARP_FL_IOCTL_ON                  1
 #define SHARP_FL_IOCTL_OFF                 2
 #define SHARP_FL_IOCTL_STEP_CONTRAST     100
 #define SHARP_FL_IOCTL_GET_STEP_CONTRAST 101
 #define SHARP_FL_IOCTL_GET_STEP          102
 
 // Vesa Standard
 #define FB_BLANK_UNBLANK            0
 #define FB_BLANK_POWERDOWN          4
 
 namespace Opie {
 namespace Core {
 namespace Internal {
 
 class Zaurus : public OAbstractMobileDevice, public QWSServer::KeyboardFilter
 {
   protected:
     virtual void init(const QString&);
     virtual void initButtons();
 
   public:
     virtual bool setDisplayBrightness( int b );
     virtual bool setDisplayStatus( bool on );
     virtual int displayBrightnessResolution() const;
 
     virtual void playAlarmSound();
     virtual void playKeySound();
     virtual void playTouchSound();
 
     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 hasHingeSensor() const;
     virtual OHingeStatus readHingeSensor() const;
 
     virtual Transformation rotation() const;
     virtual ODirection direction() const;
     virtual bool suspend();
 
   protected:
     virtual void buzzer( int snd );
     virtual bool filter( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat );
 
+    QString m_backlightdev;
     OLedState m_leds[1];
     bool m_embedix;
 };
 
 struct z_button {
     Qt::Key code;
     char *utext;
     char *pix;
     char *fpressedservice;
     char *fpressedaction;
     char *fheldservice;
     char *fheldaction;
 };
 }
 }
 }
 #endif