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init.qcom.bt.sh
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init.qcom.bt.sh
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#!/system/bin/sh
# Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Code Aurora nor
# the names of its contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
BLUETOOTH_SLEEP_PATH=/proc/bluetooth/sleep/proto
LOG_TAG="qcom-bluetooth"
LOG_NAME="${0}:"
hciattach_pid=""
loge ()
{
/system/bin/log -t $LOG_TAG -p e "$LOG_NAME $@"
}
logi ()
{
/system/bin/log -t $LOG_TAG -p i "$LOG_NAME $@"
}
failed ()
{
loge "$1: exit code $2"
exit $2
}
start_hciattach ()
{
/system/bin/hciattach -n $BTS_DEVICE $BTS_TYPE $BTS_BAUD &
hciattach_pid=$!
logi "start_hciattach: pid = $hciattach_pid"
echo 1 > $BLUETOOTH_SLEEP_PATH
}
kill_hciattach ()
{
echo 0 > $BLUETOOTH_SLEEP_PATH
logi "kill_hciattach: pid = $hciattach_pid"
## careful not to kill zero or null!
kill -TERM $hciattach_pid
# this shell doesn't exit now -- wait returns for normal exit
}
# mimic hciattach options parsing -- maybe a waste of effort
USAGE="hciattach [-n] [-p] [-b] [-t timeout] [-s initial_speed] <tty> <type | id> [speed] [flow|noflow] [bdaddr]"
while getopts "blnpt:s:" f
do
case $f in
b | l | n | p) opt_flags="$opt_flags -$f" ;;
t) timeout=$OPTARG;;
s) initial_speed=$OPTARG;;
\?) echo $USAGE; exit 1;;
esac
done
shift $(($OPTIND-1))
# Note that "hci_qcomm_init -e" prints expressions to set the shell variables
# BTS_DEVICE, BTS_TYPE, BTS_BAUD, and BTS_ADDRESS.
#Selectively Disable sleep
BOARD=`getprop ro.product.device`
POWER_CLASS=`getprop qcom.bt.dev_power_class`
#find the transport type
TRANSPORT=`getprop ro.qualcomm.bt.hci_transport`
logi "Transport : $TRANSPORT"
case $POWER_CLASS in
1) PWR_CLASS="-p 0" ;
logi "Power Class: 1";;
2) PWR_CLASS="-p 1" ;
logi "Power Class: 2";;
3) PWR_CLASS="-p 2" ;
logi "Power Class: CUSTOM";;
*) PWR_CLASS="";
logi "Power Class: Ignored. Default(1) used (1-CLASS1/2-CLASS2/3-CUSTOM)";
logi "Power Class: To override, Before turning BT ON; setprop qcom.bt.dev_power_class <1 or 2 or 3>";;
esac
eval $(/system/bin/hci_qcomm_init -e $PWR_CLASS && echo "exit_code_hci_qcomm_init=0" || echo "exit_code_hci_qcomm_init=1")
case $exit_code_hci_qcomm_init in
0) logi "Bluetooth QSoC firmware download succeeded, $BTS_DEVICE $BTS_TYPE $BTS_BAUD $BTS_ADDRESS";;
*) failed "Bluetooth QSoC firmware download failed" $exit_code_hci_qcomm_init;;
esac
# init does SIGTERM on ctl.stop for service
# TODO(mvines): In the B2G userspace, this "trap" causes sh to segfault. Comment for now.
#trap "kill_hciattach" TERM INT
case $TRANSPORT in
"smd")
logi "Seting property to insert the hci smd transport module"
setprop bt.hci_smd.driver.load 1
;;
*)
logi "start hciattach"
start_hciattach
wait $hciattach_pid
logi "Bluetooth stopped"
;;
esac
exit 0