init: Add Touch updater init.mmi.touch.sh, and firmware

Add init.mmi.touch.sh as a root service and add product package for
atmel firmware.

Change-Id: If680b742011238a62f86ad00bf8fe2d4e1d5ccde

1 files changed, 177 insertions, 0 deletions

diff --git a/init.mmi.touch.sh b/init.mmi.touch.sh
new file mode 100644
index 00000000..61f72723
--- /dev/null
+++ b/init.mmi.touch.sh
@@ -0,0 +1,177 @@
+#!/system/bin/sh
+
+PATH=/sbin:/system/sbin:/system/bin:/system/xbin
+export PATH
+
+while getopts d op;
+do
+	case $op in
+		d)  dbg_on=1;;
+	esac
+done
+shift $(($OPTIND-1))
+
+debug()
+{
+	[ $dbg_on ] && echo "Debug: $*"
+}
+
+error_and_leave()
+{
+	err_code=$1
+	case $err_code in
+		1)  echo "Error: No response from touch IC";;
+		2)  echo "Error: Cannot read property $1";;
+		3)  echo "Error: No matching firmware file found";;
+		4)  echo "Error: Touch IC is in bootloader mode";;
+		5)  echo "Error: Touch provides no reflash interface";;
+		6)  echo "Error: Touch driver is not running";;
+	esac
+	exit $err_code
+}
+
+for touch_vendor in $*; do
+	debug "searching driver for vendor [$touch_vendor]"
+	touch_driver_link=$(ls -l /sys/bus/i2c/drivers/$touch_vendor*/*-*)
+	if [ -z "$touch_driver_link" ]; then
+		debug "no driver for vendor [$touch_vendor] is running"
+		shift 1
+	else
+		debug "driver for vendor [$touch_vendor] found!!!"
+		break
+	fi
+done
+
+[ -z "$touch_driver_link" ] && error_and_leave 6
+
+touch_path=/sys/devices/${touch_driver_link#*devices/}
+debug "sysfs touch path: $touch_path"
+
+[ -f $touch_path/doreflash ] || error_and_leave 5
+[ -f $touch_path/poweron ] || error_and_leave 5
+
+debug "wait until driver reports <ready to flash>..."
+while true; do
+	readiness=$(cat $touch_path/poweron)
+	if [ "$readiness" == "1" ]; then
+		debug "ready to flash!!!"
+		break;
+	fi
+	sleep 1
+	debug "not ready; keep waiting..."
+done
+unset readiness
+
+device_property=ro.boot.device
+hwrev_property=ro.boot.hwrev
+firmware_path=/system/vendor/firmware
+
+let dec_cfg_id_boot=0; dec_cfg_id_latest=0;
+
+read_touch_property()
+{
+	property=""
+	debug "retrieving property: [$touch_path/$1]"
+	property=$(cat $touch_path/$1 2> /dev/null)
+	debug "touch property [$1] is: [$property]"
+	[ -z "$property" ] && return 1
+	return 0
+}
+
+find_latest_config_id()
+{
+	debug "scanning dir for files matching [$1]"
+	str_cfg_id_latest=""
+	let dec=0; max=0;
+	for file in $(ls $1 2>/dev/null);
+	do
+		x=${file#*-}; z=${x#*-}; str_hex=${z%%-*};
+		let dec=0x$str_hex
+		if [ $dec -gt $max ];
+		then
+			let max=$dec; dec_cfg_id_latest=$dec;
+			str_cfg_id_latest=$str_hex
+		fi
+	done
+	unset dec max x z str_hex
+	[ -z "$str_cfg_id_latest" ] && return 1
+	return 0
+}
+
+read_touch_property flashprog || error_and_leave 1
+bl_mode=$property
+debug "bl mode: $bl_mode"
+
+read_touch_property productinfo || error_and_leave 1
+touch_product_id=$property
+if [ -z "$touch_product_id" ] || [ "$touch_product_id" == "0" ];
+then
+	debug "touch ic reports invalid product id"
+	error_and_leave 3
+fi
+debug "touch product id: $touch_product_id"
+
+read_touch_property buildid || error_and_leave 1
+str_cfg_id_boot=${property#*-}
+let dec_cfg_id_boot=0x$str_cfg_id_boot
+debug "touch config id: $str_cfg_id_boot"
+
+product_id=$(getprop $device_property 2> /dev/null)
+[ -z "$product_id" ] && error_and_leave 2 $device_property
+product_id=${product_id%-*}
+debug "product id: $product_id"
+
+hwrev_id=$(getprop $hwrev_property 2> /dev/null)
+[ -z "$hwrev_id" ] && error_and_leave 2 $hwrev_property
+debug "hw revision: $hwrev_id"
+
+cd $firmware_path
+
+debug "search for best hw revision match"
+hw_mask="-$hwrev_id"
+while [ ! -z "$hw_mask" ]; do
+	if [ "$hw_mask" == "-" ]; then
+		hw_mask=""
+	fi
+	find_latest_config_id "$touch_vendor-$touch_product_id-*-$product_id$hw_mask.*"
+	if [ $? -eq 0 ]; then
+		break;
+	fi
+        hw_mask=${hw_mask%?}
+done
+
+[ -z "$str_cfg_id_latest" ] && error_and_leave 3
+
+firmware_file=$(ls $touch_vendor-$touch_product_id-$str_cfg_id_latest-*-$product_id$hw_mask.*)
+debug "firmware file for upgrade $firmware_file"
+
+if [ $dec_cfg_id_boot -ne $dec_cfg_id_latest ] || [ "$bl_mode" == "1" ];
+then
+	debug "forcing firmware upgrade"
+	echo 1 > $touch_path/forcereflash
+	debug "sending reflash command"
+	echo $firmware_file > $touch_path/doreflash
+	read_touch_property flashprog || error_and_leave 1
+	bl_mode=$property
+
+	[ "$bl_mode" == "1" ] && error_and_leave 4
+
+	read_touch_property buildid || error_and_leave 1
+	str_cfg_id_new=${property#*-}
+	debug "firmware config ids: expected $str_cfg_id_latest, current $str_cfg_id_new"
+
+	echo "Touch firmware config id at boot time $str_cfg_id_boot"
+	echo "Touch firmware config id in the file $str_cfg_id_latest"
+	echo "Touch firmware config id currently programmed $str_cfg_id_new"
+else
+	echo "Touch firmware is up to date"
+fi
+
+unset device_property hwrev_property
+unset str_cfg_id_boot str_cfg_id_latest str_cfg_id_new
+unset dec_cfg_id_boot dec_cfg_id_latest
+unset hwrev_id product_id touch_product_id
+unset synaptics_link firmware_path touch_path
+unset bl_mode dbg_on hw_mask firmware_file property
+
+return 0