#!/bin/sh

ath10kcal_die() {
	echo "ath10cal: " "$*"
	exit 1
}

ath10kcal_from_file() {
	local source=$1
	local offset=$2
	local target=$3

	dd if=$source of=$target bs=1 skip=$offset count=2116 2>/dev/null || \
		ath10kcal_die "failed to extract calibration data from $source"
}

[ -e /lib/firmware/$FIRMWARE ] && exit 0

. /lib/ar71xx.sh
. /lib/functions.sh
. /lib/functions/system.sh

ath10kcal_mac=""
ath10kcal_tmp="/tmp/ath10k-caldata.bin"

board=$(ar71xx_board_name)

case "$FIRMWARE" in
"ath10k/cal-pci-0000:01:00.0.bin")
	case $board in
	rb-911g-5hpacd)
		ath10kcal_from_file "/sys/firmware/routerboot/ext_wlan_data" 20480 $ath10kcal_tmp
		;;
	esac
	;;

"ath10k/cal-pci-0000:00:00.0.bin")
	case $board in
	dlan-pro-1200-ac)
		ath10kcal_from_file $(find_mtd_part "art") 20480 $ath10kcal_tmp
		;;
	esr1750 | \
	epg5000)
		ath10kcal_from_file $(find_mtd_part "caldata") 20480 $ath10kcal_tmp
		;;
	esac
	;;

*)
	exit 1
	;;
esac

[ -f $ath10kcal_tmp ] && {
	cp $ath10kcal_tmp /lib/firmware/$FIRMWARE
	rm -f $ath10kcal_tmp
}