1#!/bin/sh
2
3p54spi_eeprom_clean() {
4	rm -f /tmp/wlan-iq-align /tmp/wlan-tx-gen2
5}
6
7p54spi_eeprom_die() {
8	echo "$*"
9	p54spi_eeprom_clean
10	exit 1
11}
12
13p54spi_eeprom_extract() {
14	[ -x /usr/bin/calvaria -a -x /usr/bin/cal2p54 ] && {
15		/usr/bin/calvaria -p -n wlan-iq-align -i last /dev/mtdblock1 >/tmp/wlan-iq-align ||\
16			p54spi_eeprom_die "p54spi EEPROM: Failed to extract wlan-iq-align"
17		/usr/bin/calvaria -p -n wlan-tx-gen2 -i last /dev/mtdblock1 >/tmp/wlan-tx-gen2 ||\
18			p54spi_eeprom_die "p54spi EEPROM: Failed to extract wlan-tx-gen2"
19		/usr/bin/cal2p54 /tmp/wlan-tx-gen2 /tmp/wlan-iq-align >/lib/firmware/3826.eeprom ||\
20			p54spi_eeprom_die "p54spi EEPROM: Failed to generate EEPROM"
21		p54spi_eeprom_clean
22	}
23}
24
25[ "$FIRMWARE" = "3826.eeprom" ] && {
26	[ -z "$(grep -e 'Nokia N810' /proc/cpuinfo)" ] || {
27		[ -e /lib/firmware/3826.eeprom ] ||\
28			p54spi_eeprom_extract
29	}
30}
31