#!/bin/sh

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

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

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

ath10kcal_extract() {
	local part=$1
	local offset=$2
	local count=$3
	local mtd

	mtd=$(find_mtd_chardev $part)
	[ -n "$mtd" ] || \
		ath10kcal_die "no mtd device found for partition $part"

	dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
		ath10kcal_die "failed to extract calibration data from $mtd"
}

ath10kcal_patch_mac() {
	local mac=$1

	[ -z "$mac" ] && return

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

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

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

board=$(board_name)


case "$FIRMWARE" in
"ath10k/pre-cal-pci-0000:01:00.0.bin")
	case $board in
	linksys,ea8500)
		hw_mac_addr=$(mtd_get_mac_ascii devinfo hw_mac_addr)
		ath10kcal_extract "art" 4096 12064
		;;
	netgear,d7800 |\
	netgear,r7500v2 |\
	netgear,r7800)
		ath10kcal_extract "art" 4096 12064
		;;
	tplink,c2600)
		ath10kcal_extract "radio" 4096 12064
# 		ath10kcal_patch_mac $(macaddr_add $(mtd_get_mac_binary default-mac 8) -1)
		;;
	nec,wg2600hp |\
	tplink,vr2600v)
		ath10kcal_extract "ART" 4096 12064
		;;
	zyxel,nbg6817)
		ath10kcal_extract "0:ART" 4096 12064
		;;
	esac
	;;
"ath10k/pre-cal-pci-0001:01:00.0.bin")
	case $board in
	linksys,ea8500)
		hw_mac_addr=$(mtd_get_mac_ascii devinfo hw_mac_addr)
		ath10kcal_extract "art" 20480 12064
		;;
	netgear,d7800 |\
	netgear,r7500v2 |\
	netgear,r7800)
		ath10kcal_extract "art" 20480 12064
		;;
	tplink,c2600)
		ath10kcal_extract "radio" 20480 12064
# 		ath10kcal_patch_mac $(macaddr_add $(mtd_get_mac_binary default-mac 8) -2)
		;;
	nec,wg2600hp |\
	tplink,vr2600v)
		ath10kcal_extract "ART" 20480 12064
		;;
	zyxel,nbg6817)
		ath10kcal_extract "0:ART" 20480 12064
		;;
	esac
	;;
*)
	exit 1
	;;
esac
