#!/bin/sh

### BEGIN INIT INFO
# Provides:          pandora-lcd-state
# Required-Start:    #adjust
# Required-Stop:     #adjust
# Default-Start:     5 3
# Default-Stop:      0 1 6
### END INIT INFO
 
DESC="OpenPandora Save and Restore various settings"
NAME="pandora-state"

. /usr/pandora/scripts/op_common.sh

d_stop() {
	echo "Saving Pandora specific settings"
	bright=$(cat $SYSFS_BACKLIGHT_BRIGHTNESS)
	if [ $bright != "0" ]; then
	    echo $bright > /etc/pandora/conf/brightness.state
	fi
	touch /etc/pandora/shutdown
	cat $SYSFS_GAMMA > /etc/pandora/conf/gamma.state

	# pnd_run.sh and nub configurator depend on nubs.state format
        cat -v /proc/pandora/nub0/mode | sed -n '1p' > /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub0/mouse_sensitivity | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub0/scrollx_sensitivity | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub0/scrolly_sensitivity | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub0/scroll_rate| sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub0/mbutton_threshold | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub1/mode | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub1/mouse_sensitivity | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub1/scrollx_sensitivity | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub1/scrolly_sensitivity | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub1/scroll_rate | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub1/mbutton_threshold | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub0/mbutton_delay | sed -n '1p' >> /etc/pandora/conf/nubs.state
	cat -v /proc/pandora/nub1/mbutton_delay | sed -n '1p' >> /etc/pandora/conf/nubs.state

	# nub tools want to update this file
	chmod a+w /etc/pandora/conf/nubs.state
}

d_start() {
	# Determine Pandora type
	pnd_version=$(dmesg | grep OMAP3 | grep ES | awk '{print $3}')
	echo $pnd_version > /tmp/pnd_version
	
	echo "Restoring Pandora specific settings"
	
	# Enable TV Out
	if [ -f /etc/pandora/conf/tvout.state ]; then
		/usr/pandora/scripts/op_tvout.sh
	fi
	
	# Set LEDs
	highpow="$(cat /etc/pandora/conf/led.conf | grep HighPowerLED: | awk -F\: '{print $2}')"
	echo $highpow > /sys/class/leds/pandora\:\:power/brightness #power LED bright
	bright=$(cat /etc/pandora/conf/brightness.state)
	if [ "$bright" -gt "0" ]; then
		echo $bright > $SYSFS_BACKLIGHT_BRIGHTNESS
	fi
	
	# Set Gamma
	cat /etc/pandora/conf/dirty_expire_centisecs >  /proc/sys/vm/dirty_expire_centisecs
	cat /etc/pandora/conf/gamma.state > $SYSFS_GAMMA
	if [ -f /etc/pandora/conf/dssgamma.state ]; then
		dssgamma=$(cat /etc/pandora/conf/dssgamma.state)
		dssgamma2=$(echo "scale=2;$dssgamma / 100" | bc)
		/usr/pandora/scripts/op_gamma.sh $dssgamma2
	fi
	
	# Set Filter
	if [ -f /etc/pandora/conf/filter.state ]; then
		filter=$(cat /etc/pandora/conf/filter.state)
		/usr/pandora/scripts/op_videofir.sh $filter 
	fi
	
	# Check for unclean shutdown and set CPU Speed
	cpuspeed="$(cat /etc/pandora/conf/cpu.conf | grep default | awk -F\: '{print $2}')"
	oppmax="$(cat /etc/pandora/conf/cpu.conf | grep opp | awk -F\: '{print $2}')"
	echo $oppmax > /proc/pandora/cpu_opp_max
	if [ -f /etc/pandora/shutdown ]; then
	      rm /etc/pandora/shutdown
	      sync      
	else
	      echo "No clean shutdown - will CPU Speed will be set to safe value."
	      echo "Yes" > /tmp/nocleanwarn
	      chmod 777 /tmp/nocleanwarn
		if [ "$pnd_version" == "OMAP3630" ]; then
		  cpuspeed="1000"
		else
		  cpuspeed="600"
		fi
	fi
	/usr/pandora/scripts/op_cpuspeed.sh -n $cpuspeed
	
	# Set DSP Speed
	
	if [ "$pnd_version" == "OMAP3630" ]; then
		  dspspeed="800"
		else
		  dspspeed="430"
	fi
	/usr/pandora/scripts/op_dspspeed.sh -n $dspspeed
	
	# Set nubs
	sed -n '1p' /etc/pandora/conf/nubs.state > /proc/pandora/nub0/mode
	sed -n '2p' /etc/pandora/conf/nubs.state > /proc/pandora/nub0/mouse_sensitivity
	sed -n '3p' /etc/pandora/conf/nubs.state > /proc/pandora/nub0/scrollx_sensitivity
	sed -n '4p' /etc/pandora/conf/nubs.state > /proc/pandora/nub0/scrolly_sensitivity
	sed -n '5p' /etc/pandora/conf/nubs.state > /proc/pandora/nub0/scroll_rate
	sed -n '6p' /etc/pandora/conf/nubs.state > /proc/pandora/nub0/mbutton_threshold
	sed -n '7p' /etc/pandora/conf/nubs.state > /proc/pandora/nub1/mode
	sed -n '8p' /etc/pandora/conf/nubs.state > /proc/pandora/nub1/mouse_sensitivity
	sed -n '9p' /etc/pandora/conf/nubs.state > /proc/pandora/nub1/scrollx_sensitivity
	sed -n '10p' /etc/pandora/conf/nubs.state > /proc/pandora/nub1/scrolly_sensitivity
	sed -n '11p' /etc/pandora/conf/nubs.state > /proc/pandora/nub1/scroll_rate
	sed -n '12p' /etc/pandora/conf/nubs.state > /proc/pandora/nub1/mbutton_threshold
	sed -n '13p' /etc/pandora/conf/nubs.state > /proc/pandora/nub0/mbutton_delay
	sed -n '14p' /etc/pandora/conf/nubs.state > /proc/pandora/nub1/mbutton_delay
	
	# Enable ZRAM Swap if user has enabled the module in /etc/modules
	if [ -e /dev/zram0 ]; then
		echo "Enabling ZRAM Swap"
		mkswap /dev/zram0
		swapon -p 5 /dev/zram0
	fi

	# set audio powerdown delay (ms)
	if [ -e /sys/devices/platform/soc-audio/PCM1773/pmdown_time ]; then
		echo 60000 > /sys/devices/platform/soc-audio/PCM1773/pmdown_time
	fi

	# remove the mmap limit, useful for emulators
	echo 0 > /proc/sys/vm/mmap_min_addr

	# reduce watchdog threshold to reduce CPU wakeups - it's a debugging feature
	# interval = watchdog_thresh * 2 / 5
	echo 60 > /proc/sys/kernel/watchdog_thresh
}

case "$1" in
  start)
	echo -n "Starting $DESC: $NAME - "
	d_start
	echo "."
	;;
  stop)
	echo -n "Stopping $DESC: $NAME - "
	d_stop
	echo "."
	;;
  reload)
	echo -n "Reloading $DESC: $NAME - "
	d_start
	echo "."
	;;	
  restart|force-reload)
	echo -n "Restarting $DESC: $NAME - "
	d_stop
	sleep 1
	d_start
	echo "."
	;;
  *)
	echo "Usage: $0 {start|stop|restart|reload|force-reload}" >&2
	exit 1
	;;
esac

exit 0