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#!/bin/sh
. /lib/functions/k2t.sh
# xor multiple hex values of the same length
xor() {
local val
local ret="0x$1"
local retlen=${#1}
shift
while [ -n "$1" ]; do
val="0x$1"
ret=$((ret ^ val))
shift
done
printf "%0${retlen}x" "$ret"
}
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
}
ath10kcal_patch_mac_crc() {
local mac=$1
local mac_offset=6
local chksum_offset=2
local xor_mac
local xor_fw_mac
local xor_fw_chksum
xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
ath10kcal_patch_mac "$mac" && {
xor_mac=${mac//:/}
xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
}
}
[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/functions.sh
. /lib/functions/system.sh
board=$(board_name)
case "$FIRMWARE" in
"ath10k/cal-pci-0000:00:00.0.bin")
case $board in
"openmesh,om5p-ac-v2")
ath10kcal_extract "ART" 20480 2116
ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) +16)
;;
"tplink,tl-archer-c7-v2")
ath10kcal_extract "art" 20480 2116
ath10kcal_patch_mac $(macaddr_add $(cat /sys/class/net/eth1/address) -2)
;;
"ubnt,unifiac-lite"|\
"ubnt,unifiac-mesh"|\
"ubnt,unifiac-pro")
ath10kcal_extract "EEPROM" 20480 2116
;;
esac
;;
"ath10k/pre-cal-pci-0000:00:00.0.bin")
case $board in
phicomm,k2t)
ath10kcal_extract "art" 20480 12064
ath10kcal_patch_mac_crc $(k2t_get_mac "5g_mac")
ln -sf /lib/firmware/ath10k/pre-cal-pci-0000\:00\:00.0.bin \
/lib/firmware/ath10k/QCA9888/hw2.0/board.bin
;;
esac
;;
*)
exit 1
;;
esac
|
