1 files changed, 115 insertions, 0 deletions
diff --git a/rootdir/bin/init.qcom.coex.sh b/rootdir/bin/init.qcom.coex.sh
new file mode 100755
index 0000000..a9a22f1
--- /dev/null
+++ b/rootdir/bin/init.qcom.coex.sh
@@ -0,0 +1,115 @@
+#! /vendor/bin/sh
+
+# Copyright (c) 2009-2010, 2012, The Linux Foundation. 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 The Linux Foundation 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.
+
+LOG_TAG="qcom-bt-wlan-coex"
+LOG_NAME="${0}:"
+
+coex_pid=""
+ath_wlan_supported=`getprop wlan.driver.ath`
+
+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 $2
+}
+
+start_coex ()
+{
+  case "$ath_wlan_supported" in
+      "2")
+       echo "ATH WLAN Chip ID AR6004 is enabled"
+       /system/bin/abtfilt -d -z -n -m -a -w wlan0 &
+      ;;
+      "1")
+       echo "ATH WLAN Chip ID is enabled"
+       # Must have -d -z -n -v -s -w wlan0 parameters for atheros btfilter.
+       /system/bin/abtfilt -d -z -n -v -q -s -w wlan0 &
+      ;;
+      "0")
+       echo "WCN WLAN Chip ID is enabled"
+       # Must have -o turned on to avoid daemon (otherwise we cannot get pid)
+       /system/bin/btwlancoex -o $opt_flags &
+      ;;
+      *)
+       echo "NO WLAN Chip ID is enabled, so enabling ATH as default"
+       # Must have -d -z -n -v -s -w wlan0 parameters for atheros btfilter.
+       /system/bin/abtfilt -d -z -n -v -q -s -w wlan0 &
+      ;;
+  esac
+  coex_pid=$!
+  logi "start_coex: pid = $coex_pid"
+}
+
+kill_coex ()
+{
+  logi "kill_coex: pid = $coex_pid"
+  kill -TERM $coex_pid
+  # this shell doesn't exit now -- wait returns for normal exit
+}
+
+# mimic coex options parsing -- maybe a waste of effort
+USAGE="${0} [-o] [-c] [-r] [-i] [-h]"
+
+while getopts "ocrih" f
+do
+  case $f in
+  o | c | r | i | h)  opt_flags="$opt_flags -$f" ;;
+  \?)     echo $USAGE; exit 1;;
+  esac
+done
+
+# init does SIGTERM on ctl.stop for service
+trap "kill_coex" TERM INT
+
+#Selectively start coex module
+target=`getprop ro.board.platform`
+
+if [ "$target" == "msm8960" ] && [ "$ath_wlan_supported" != "2" ]; then
+     logi "btwlancoex/abtfilt is not needed"
+else
+     # Build settings may not produce the coex executable
+     if ls /system/bin/btwlancoex || ls /system/bin/abtfilt
+     then
+         start_coex
+         wait $coex_pid
+         logi "Coex stopped"
+     else
+         logi "btwlancoex/abtfilt not available"
+     fi
+fi
+exit 0