#!/bin/sh
#
# Copyright (c) 2020 Qualcomm Technologies, Inc.
#
#  All Rights Reserved.
# Confidential and Proprietary - Qualcomm Technologies, Inc.
#
#

[ -e /lib/functions.sh ] && . /lib/functions.sh
[ -e /lib/ipq806x.sh ] && . /lib/ipq806x.sh
[ -e /lib/functions/boot.sh ] && . /lib/functions/boot.sh

low_mem_compress_art()
{
	local mtdblock=$(find_mtd_part 0:ART)

	if [ -z "$mtdblock" ]; then
	    # read from mmc
	    mtdblock=$(find_mmc_part 0:ART)
	fi

	[ -n "$mtdblock" ] || return

        local apmp="/tmp"

        lzma -zvfk -4 ${apmp}/virtual_art.bin 2> /dev/null || {
                echo "Error Compressing Virtual ART" > /dev/console
                return
        }

	dd if=${apmp}/virtual_art.bin.lzma of=${mtdblock}
        echo "Success compressing Virtual ART(${mtdblock})" > /dev/console
        return
}

normal_art()
{
	local mtdblock=$(find_mtd_part 0:ART)

	if [ -z "$mtdblock" ]; then
	    # read from mmc
	    mtdblock=$(find_mmc_part 0:ART)
	fi

	[ -n "$mtdblock" ] || return

	local apmp="/tmp"

	dd if=${apmp}/virtual_art.bin of=${mtdblock}
	echo "Success writing to ART(${mtdblock})" > /dev/console
	return
}

write_caldata()
{
	local board
	[ -f /tmp/sysinfo/board_name ] && {
		board=ap$(cat /tmp/sysinfo/board_name | awk -F 'ap' '{print$2}')
	}

	if [ -e /sys/firmware/devicetree/base/compressed_art ]
	then
		echo "Compressed ART Supported Platform $board " > /dev/console
		low_mem_compress_art
	else
		echo "Non Compressed ART Platform $board " > /dev/console
		normal_art
	fi
}

if [ "$1" = "write_caldata" ]
then
        write_caldata
fi