Radix cross Linux

     5         kx #
     5         kx # rc.mesonfb - initial set up meson framebuffer
     5         kx #
     5         kx hdmimode=1080p60hz
     5         kx 
     5         kx # Parse command line arguments
     5         kx for arg in $(cat /proc/cmdline); do
     5         kx   case $arg in
     5         kx     hdmimode=*)
     5         kx       hdmimode="${arg#*=}"
     5         kx       ;;
     5         kx   esac
     5         kx done
     5         kx 
     5         kx outputmode=$hdmimode
     5         kx 
     5         kx /bin/echo $outputmode > /sys/class/display/mode
     5         kx 
     5         kx # Enable framebuffer device
     5         kx /bin/echo 0 > /sys/class/graphics/fb0/blank
     5         kx 
     5         kx # Blank fb1 to prevent static noise
     5         kx /bin/echo 1 > /sys/class/graphics/fb1/blank
     5         kx 
     5         kx # Disable framebuffer scaling
     5         kx /bin/echo 0 > /sys/class/graphics/fb0/free_scale
     5         kx /bin/echo 0 > /sys/class/graphics/fb1/free_scale
     5         kx 
     5         kx 
     5         kx /bin/echo 1 > /sys/class/graphics/fb0/freescale_mode
     5         kx 
     5         kx case $outputmode in
     5         kx   480*)
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/free_scale_axis
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/window_axis
     5         kx     ;;
     5         kx 
     5         kx   576*)
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/free_scale_axis
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/window_axis
     5         kx     ;;
     5         kx 
     5         kx   720*)
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/free_scale_axis
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/window_axis
     5         kx     ;;
     5         kx 
     5         kx   1080*)
     5         kx     /bin/echo 0 0 1919 1079 > /sys/class/graphics/fb0/free_scale_axis
     5         kx     /bin/echo 0 0 1919 1079 > /sys/class/graphics/fb0/window_axis
     5         kx     ;;
     5         kx 
     5         kx   4k2k*)
     5         kx     /bin/echo 0 0 1919 1079 > /sys/class/graphics/fb0/free_scale_axis
     5         kx     /bin/echo 0 0 1919 1079 > /sys/class/graphics/fb0/window_axis
     5         kx     ;;
     5         kx 
     5         kx   *)
     5         kx     # outputmode = 720p
     5         kx     /bin/echo 720p > /sys/class/display/mode
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/free_scale_axis
     5         kx     /bin/echo 0 0 1279 719 > /sys/class/graphics/fb0/window_axis
     5         kx     ;;
     5         kx esac
     5         kx 
     5         kx 
     5         kx # Set framebuffer geometry to match the resolution
     5         kx case "$hdmimode" in
     5         kx   720*)
     5         kx     /usr/sbin/fbset -fb /dev/fb0 -a -g 1280 720 1280 1440 32
     5         kx     ;;
     5         kx   1080*)
     5         kx     /usr/sbin/fbset -fb /dev/fb0 -a -g 1920 1080 1920 3240 32
     5         kx     ;;
     5         kx esac
     5         kx /usr/sbin/fbset -fb /dev/fb1 -g 32 32 32 32 32
     5         kx 
     5         kx # Include deinterlacer into default VFM map
     5         kx /bin/echo rm default > /sys/class/vfm/map
     5         kx /bin/echo add default decoder ppmgr deinterlace amvideo > /sys/class/vfm/map
     5         kx 
     5         kx ################################################################
     5         kx #
     5         kx # If HDMI cable is connected during kernel start and the new
     5         kx # outputmode is equal to current hdmimode then the screen is
     5         kx # black.
     5         kx #
     5         kx # To wake up the monitor, we must reset outputmode.
     5         kx # Only in this case, the driver will wake the display up.
     5         kx #
     5         kx # Instead we will have to reconnect hdmi cable.
     5         kx #
     5         kx outputmode=$(cat /sys/class/display/mode)
     5         kx hpdstate=$(cat /sys/class/amhdmitx/amhdmitx0/hpd_state)
     5         kx 
     5         kx if [ "$hpdstate" = "1" ]; then
     5         kx   # Blank fb0 to prevent static noise
     5         kx   /bin/echo 1 > /sys/class/graphics/fb0/blank
     5         kx     case $outputmode in
     5         kx       720*)
     5         kx         /bin/echo 1080p60hz > /sys/class/display/mode
     5         kx         /bin/echo $outputmode > /sys/class/display/mode
     5         kx         ;;
     5         kx 
     5         kx       1080*)
     5         kx         /bin/echo 720p60hz > /sys/class/display/mode
     5         kx         /bin/echo $outputmode > /sys/class/display/mode
     5         kx         ;;
     5         kx       *)
     5         kx         # probably nobody asks 480cvbs
     5         kx         /bin/echo 480cvbs > /sys/class/display/mode
     5         kx         /bin/echo $outputmode > /sys/class/display/mode
     5         kx         ;;
     5         kx     esac
     5         kx   # Enable framebuffer device
     5         kx   /bin/echo 0 > /sys/class/graphics/fb0/blank
     5         kx fi
     5         kx #
     5         kx # End of HDMI cable reconnect trick.
     5         kx #
     5         kx ################################################################
     5         kx 
     5         kx echo 0x10001 > /sys/class/graphics/fb0/free_scale
     5         kx echo 0 > /sys/class/graphics/fb1/free_scale