Radix cross Linux

#
# rc.odroidc2 - initial set up ODROID C2 framebuffer
#

for x in $(cat /proc/cmdline); do
  case ${x} in
    m_bpp=*) export bpp=${x#*=} ;;
    hdmimode=*) export mode=${x#*=} ;;
    modeline=*) export modeline=${x#*=} ;;
  esac
done

HPD_STATE=/sys/class/amhdmitx/amhdmitx0/hpd_state
DISP_CAP=/sys/class/amhdmitx/amhdmitx0/disp_cap
DISP_MODE=/sys/class/display/mode

# if setenv nographics "1" in boot.ini then this needs to fail
if [ ! -f $DISP_MODE ]; then
  exit 0
fi

echo $mode > $DISP_MODE

common_display_setup() {
  M="0 0 $(($X - 1)) $(($Y - 1))"
  Y_VIRT=$(($Y * 2))
  fbset -fb /dev/fb0 -g $X $Y $X $Y_VIRT $bpp
  echo $mode > /sys/class/display/mode
  echo 0 > /sys/class/graphics/fb0/free_scale
  echo 1 > /sys/class/graphics/fb0/freescale_mode
  echo $M > /sys/class/graphics/fb0/free_scale_axis
  echo $M > /sys/class/graphics/fb0/window_axis

  echo 0 > /sys/class/graphics/fb1/free_scale
  echo 1 > /sys/class/graphics/fb1/freescale_mode
}

case $mode in
  custombuilt*)
    export X=`echo $modeline | cut -f1 -d","`
    export Y=`echo $modeline | cut -f2 -d","`
    ;;
  480*) 
    export X=720 
    export Y=480 
    ;;
  576*)
    export X=720
    export Y=576
    ;;
  720p*)
    export X=1280
    export Y=720
    ;;
  1080*)
    export X=1920
    export Y=1080
    ;;
  2160p*)
    export X=3840
    export Y=2160
    ;;
  smpte24hz*)
    export X=3840
    export Y=2160
    ;;
  640x480p60hz*)
    export X=640
    export Y=480
    ;;
  800x480p60hz*)
    export X=800
    export Y=480
    ;;
  800x600p60hz*)
    export X=800
    export Y=600
    ;;
  1024x600p60hz*)
    export X=1024
    export Y=600
    ;;
  1024x768p60hz*)
    export X=1024
    export Y=768
    ;;
  1280x800p60hz*)
    export X=1280
    export Y=800
    ;;
  1280x1024p60hz*)
    export X=1280
    export Y=1024
    ;;
  1360x768p60hz*)
    export X=1360
    export Y=768
    ;;
  1440x900p60hz*)
    export X=1440
    export Y=900
    ;;
  1600x900p60hz*)
    export X=1600
    export Y=900
    ;;
  1680x1050p60hz*)
    export X=1680
    export Y=1050
    ;;
  1600x1200p60hz*)
    export X=1600
    export Y=1200
    ;;
  1920x1200p60hz*)
    export X=1920
    export Y=1200
    ;;
  2560x1080p60hz*)
    export X=2560
    export Y=1080
    ;;
  2560x1440p60hz*)
    export X=2560
    export Y=1440
    ;;
  2560x1600p60hz*)
    export X=2560
    export Y=1600
    ;;
  3440x1440p60hz*)
    export X=3440
    export Y=1440
    ;;
esac

common_display_setup

# Console unblack
case $mode in
  *cvbs*|480i*|576i*|1080i*)
    echo 0 > /sys/class/graphics/fb0/blank
    echo 1 > /sys/class/graphics/fb1/blank
    ;;
  *)
    echo 0 > /sys/class/graphics/fb0/blank
    echo 0 > /sys/class/graphics/fb1/blank
    ;;
esac