#!/bin/sh
# Based on ar71xx 11-ath10k-caldata and 10-rt2x00-eeprom

ath10k_caldata_die() {
	echo "ath10k caldata: " "$*"
	exit 1
}

ath10k_caldata_extract() {
	local part=$1
	local offset=$2
	local mtd

	. /lib/functions.sh

	mtd=$(find_mtd_part $part)
	[ -n "$mtd" ] || \
		ath10k_caldata_die "no mtd device found for partition $part"

	dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=2116 || \
		ath10k_caldata_die "failed to extract from $mtd"
}

ath10k_caldata_set_macaddr() {
	local macaddr=$1

	macaddr_2bin $macaddr | dd of=/lib/firmware/$FIRMWARE \
				conv=notrunc bs=1 seek=6 count=6
}

[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/functions.sh
. /lib/functions/system.sh
. /lib/functions/lantiq.sh

case "$FIRMWARE" in
"ath10k/cal-pci-0000:02:00.0.bin")
	local board=$(lantiq_board_name)
	case $board in
		BTHOMEHUBV5A)
			local lan_mac=$(mtd_get_mac_binary caldata 4364)
			local wifi_mac=$(macaddr_add "$lan_mac" 3)
			ath10k_caldata_extract "caldata" 20480
			ath10k_caldata_set_macaddr $wifi_mac
			;;
		*)
			ath10k_caldata_die "board $board is not supported yet"
			;;
	esac
	;;
esac