#!/bin/sh -e

install_driver() {
	DRIVER=$1
	OPTS=$2

	modprobe $DRIVER $OPTS
	maj=$(awk "\$2==\"${DRIVER}\" { print \$1; }" /proc/devices)

	rm -f /dev/${DRIVER}

	mknod /dev/${DRIVER} c $maj 0
	chmod 600 /dev/${DRIVER}
}

start() {
	echo "mali: starting driver"

	BITSPERPIXEL="$(fbset | awk '/geom/ {print $6}')"
	YRES="$(fbset | awk '/geom/ {print $3}')"
	# Set RGBA ordering to something the drivers like
	if [ "$BITSPERPIXEL" = "32" ] ; then
		fbset -rgba 8/16,8/8,8/0,8/24
	fi
	# Try to enable triple buffering when there's enough VRAM
	fbset -vyres $(( YRES*3 ))

	install_driver mali
	install_driver ump
}

stop() {
	echo "mali: stopping driver"

	rmmod ump
	rmmod mali
}

case "$1" in
start)
	start
;;
stop)
	stop
;;
restart)
	stop
	start
;;
*)
	echo "mali: Please use start, stop, or restart."
	exit 1
;;
esac