cirros-testvm/src-cirros/buildroot-2015.05/package/sunxi-mali/S80mali

   1 #!/bin/sh -e
   2
   3 install_driver() {
   4         DRIVER=$1
   5         OPTS=$2
   6
   7         modprobe $DRIVER $OPTS
   8         maj=$(awk "\$2==\"${DRIVER}\" { print \$1; }" /proc/devices)
   9
  10         rm -f /dev/${DRIVER}
  11
  12         mknod /dev/${DRIVER} c $maj 0
  13         chmod 600 /dev/${DRIVER}
  14 }
  15
  16 start() {
  17         echo "mali: starting driver"
  18
  19         BITSPERPIXEL="$(fbset | awk '/geom/ {print $6}')"
  20         YRES="$(fbset | awk '/geom/ {print $3}')"
  21         # Set RGBA ordering to something the drivers like
  22         if [ "$BITSPERPIXEL" = "32" ] ; then
  23                 fbset -rgba 8/16,8/8,8/0,8/24
  24         fi
  25         # Try to enable triple buffering when there's enough VRAM
  26         fbset -vyres $(( YRES*3 ))
  27
  28         install_driver mali
  29         install_driver ump
  30 }
  31
  32 stop() {
  33         echo "mali: stopping driver"
  34
  35         rmmod ump
  36         rmmod mali
  37 }
  38
  39 case "$1" in
  40 start)
  41         start
  42 ;;
  43 stop)
  44         stop
  45 ;;
  46 restart)
  47         stop
  48         start
  49 ;;
  50 *)
  51         echo "mali: Please use start, stop, or restart."
  52         exit 1
  53 ;;
  54 esac