1 #!/system/bin/sh 2 3 PATH=/sbin:/system/sbin:/system/bin:/system/xbin 4 export PATH 5 6 while getopts d op; 7 do 8 case $op in 9 d) dbg_on=1;; 10 esac 11 done 12 shift $(($OPTIND-1)) 13 14 scriptname=${0##*/} 15 16 uppers=ABCDEFP1234567890 17 lowers=abcdefp1234567p9 18 19 convert_to_pnotation() 20 { 21 result="" 22 let i=0 23 while ([ $i -lt ${#1} ]) do 24 sym=${1:$i:1} 25 case $uppers in 26 *$sym*) sym=${uppers%$sym*}; result="${result}${lowers:${#sym}:1}";; 27 *) result="${result}$sym";; 28 esac 29 i=$((i + 1)) 30 done 31 echo "$result" 32 unset i result 33 } 34 35 debug() 36 { 37 [ $dbg_on ] && echo "Debug: $*" 38 } 39 40 notice() 41 { 42 echo "$*" 43 echo "$scriptname: $*" > /dev/kmsg 44 } 45 46 error_and_leave() 47 { 48 local err_msg 49 local err_code=$1 50 case $err_code in 51 1) err_msg="Error: No response from touch IC";; 52 2) err_msg="Error: Cannot read property $1";; 53 3) err_msg="Error: No matching firmware file found";; 54 4) err_msg="Error: Touch IC is in bootloader mode";; 55 5) err_msg="Error: Touch provides no reflash interface";; 56 6) err_msg="Error: Touch driver is not running";; 57 esac 58 notice "$err_msg" 59 exit $err_code 60 } 61 62 for touch_vendor in $*; do 63 debug "searching driver for vendor [$touch_vendor]" 64 touch_driver_link=$(ls -l /sys/bus/i2c/drivers/$touch_vendor*/*-*) 65 if [ -z "$touch_driver_link" ]; then 66 debug "no driver for vendor [$touch_vendor] is running" 67 shift 1 68 else 69 debug "driver for vendor [$touch_vendor] found!!!" 70 break 71 fi 72 done 73 74 [ -z "$touch_driver_link" ] && error_and_leave 6 75 76 touch_path=/sys/devices/${touch_driver_link#*devices/} 77 debug "sysfs touch path: $touch_path" 78 79 [ -f $touch_path/doreflash ] || error_and_leave 5 80 [ -f $touch_path/poweron ] || error_and_leave 5 81 82 debug "wait until driver reports <ready to flash>..." 83 while true; do 84 readiness=$(cat $touch_path/poweron) 85 if [ "$readiness" == "1" ]; then 86 debug "ready to flash!!!" 87 break; 88 fi 89 sleep 1 90 debug "not ready; keep waiting..." 91 done 92 unset readiness 93 94 device_property=ro.boot.device 95 hwrev_property=ro.boot.hwrev 96 firmware_path=/system/vendor/firmware 97 98 let dec_cfg_id_boot=0; dec_cfg_id_latest=0; 99 100 read_touch_property() 101 { 102 property="" 103 debug "retrieving property: [$touch_path/$1]" 104 property=$(cat $touch_path/$1 2> /dev/null) 105 debug "touch property [$1] is: [$property]" 106 [ -z "$property" ] && return 1 107 return 0 108 } 109 110 find_latest_config_id() 111 { 112 debug "scanning dir for files matching [$1]" 113 str_cfg_id_latest="" 114 let dec=0; max=0; 115 for file in $(ls $1 2>/dev/null); 116 do 117 x=${file#*-}; z=${x#*-}; str_hex=${z%%-*}; 118 let dec=0x$str_hex 119 if [ $dec -gt $max ]; 120 then 121 let max=$dec; dec_cfg_id_latest=$dec; 122 str_cfg_id_latest=$str_hex 123 fi 124 done 125 unset dec max x z str_hex 126 [ -z "$str_cfg_id_latest" ] && return 1 127 return 0 128 } 129 130 read_touch_property flashprog || error_and_leave 1 131 bl_mode=$property 132 debug "bl mode: $bl_mode" 133 134 read_touch_property productinfo || error_and_leave 1 135 touch_product_id=$property 136 if [ -z "$touch_product_id" ] || [ "$touch_product_id" == "0" ]; 137 then 138 debug "touch ic reports invalid product id" 139 error_and_leave 3 140 fi 141 debug "touch product id: $touch_product_id" 142 143 read_touch_property buildid || error_and_leave 1 144 str_cfg_id_boot=${property#*-} 145 let dec_cfg_id_boot=0x$str_cfg_id_boot 146 debug "touch config id: $str_cfg_id_boot" 147 148 product_id=$(getprop $device_property 2> /dev/null) 149 [ -z "$product_id" ] && error_and_leave 2 $device_property 150 product_id=${product_id%-*} 151 debug "product id: $product_id" 152 153 hwrev_id=$(getprop $hwrev_property 2> /dev/null) 154 [ -z "$hwrev_id" ] && error_and_leave 2 $hwrev_property 155 hwrev_id=${hwrev_id#*x} 156 hwrev_id=$(convert_to_pnotation $hwrev_id) 157 debug "hw revision: $hwrev_id" 158 159 cd $firmware_path 160 161 debug "search for best hw revision match" 162 hw_mask="-$hwrev_id" 163 while [ ! -z "$hw_mask" ]; do 164 if [ "$hw_mask" == "-" ]; then 165 hw_mask="" 166 fi 167 find_latest_config_id "$touch_vendor-$touch_product_id-*-$product_id$hw_mask.*" 168 if [ $? -eq 0 ]; then 169 break; 170 fi 171 hw_mask=${hw_mask%?} 172 done 173 174 [ -z "$str_cfg_id_latest" ] && error_and_leave 3 175 176 firmware_file=$(ls $touch_vendor-$touch_product_id-$str_cfg_id_latest-*-$product_id$hw_mask.*) 177 debug "firmware file for upgrade $firmware_file" 178 179 if [ $dec_cfg_id_boot -ne $dec_cfg_id_latest ] || [ "$bl_mode" == "1" ]; 180 then 181 debug "forcing firmware upgrade" 182 echo 1 > $touch_path/forcereflash 183 debug "sending reflash command" 184 echo $firmware_file > $touch_path/doreflash 185 read_touch_property flashprog || error_and_leave 1 186 bl_mode=$property 187 188 [ "$bl_mode" == "1" ] && error_and_leave 4 189 190 read_touch_property buildid || error_and_leave 1 191 str_cfg_id_new=${property#*-} 192 debug "firmware config ids: expected $str_cfg_id_latest, current $str_cfg_id_new" 193 194 notice "Touch firmware config id at boot time $str_cfg_id_boot" 195 notice "Touch firmware config id in the file $str_cfg_id_latest" 196 notice "Touch firmware config id currently programmed $str_cfg_id_new" 197 else 198 notice "Touch firmware is up to date" 199 fi 200 201 unset device_property hwrev_property 202 unset str_cfg_id_boot str_cfg_id_latest str_cfg_id_new 203 unset dec_cfg_id_boot dec_cfg_id_latest 204 unset hwrev_id product_id touch_product_id 205 unset touch_driver_link firmware_path touch_path 206 unset bl_mode dbg_on hw_mask firmware_file property 207 208 return 0 209
