#!/bin/sh

CACHE=/var/cache/brcm43xx-mac
MAC_OPTIONS=""
if [ -z "$MAC_ADDR" ]; then
	if [ ! -f "$CACHE" ]; then
		echo 43:29:B1$(od -txC -An -N3 /dev/random|tr \  : | tr '[:lower:]' '[:upper:]') >"$CACHE"
	fi
	MAC_ADDR=`cat "$CACHE"`
	echo "Warning: Using self generated MAC address! MAC_ADDR should be defined in /etc/conf.d/brcm43xx."
else
	[ -f "$CACHE" ] && rm "$CACHE"
fi
MAC_OPTIONS="--bd_addr $MAC_ADDR"

# Find chip version
DEVS=($( cat /sys/class/mmc_host/mmc?/mmc?\:0001/mmc?\:0001:?/device ))
for DEV in "${DEVS[@]}"; do
	if [ "${DEV:0:4}" = "0x43" ]; then
		a="$DEV"
	fi
done
if [ -z "$a" ]; then
	echo "Failed: Unable to locate bluetooth device"
	exit 1
fi

HCD=""
EXTRA=""

if [ "$a" = "0x4329" ] ; then
  HCD="bcm4329.hcd"
fi
 
if [ "$a" = "0x4330" ] ; then
  HCD="bcm4330.hcd"
  EXTRA="--no2bytes --enable_lpm --tosleep=50000 "
fi

# UART TTY can be different for each board
# FIXME: Possibly test each port with hciattach (-n)?
#        For now, just use the highest port as it works for current boards
if [ -z "$TTY" ]; then
	TTYS=($( ls -r1 /dev/ttymxc? ))
	for t in "${TTYS[@]}" ; do
		ttynum=${t:0-1}
		if [ $ttynum -eq 0 ]; then
			echo "Abort: UART ttymcx0 does not seem right."
			exit 1
		else
			TTY=$t
			break
		fi
	done
fi

if [ -n "$HCD" ] ; then
  echo "Found chip version $a."
  /usr/bin/brcm_patchram_plus -d --patchram /usr/lib/firmware/brcm/$HCD --baudrate 3000000 --use_baudrate_for_download ${TTY} --enable_hci $EXTRA $MAC_OPTIONS &
else
  echo " No device Found."
  exit 1
fi

for i in 1 2 3 4 5 ; do
  b=`hciconfig | grep UART | cut -d: -f1`
  if [ -n "$b" ] ; then
    hciconfig $b up 
    break
  else 
    sleep $i
  fi
done


exit 0