#!/bin/sh
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#
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# setup configfs for adbd, usb mass storage and MTP....
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# For kernel v4.4/v4.19 usb configfs without udev
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#
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# Load default env variables from profiles
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RNDIS_EN=off
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ADB_EN=off
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MTP_EN=off
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RNDIS_ADDR=192.168.1.100
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USB_ATTRIBUTE=0x409
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USB_GROUP=rockchip
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USB_SKELETON=b.1
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CONFIGFS_DIR=/sys/kernel/config
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USB_CONFIGFS_DIR=${CONFIGFS_DIR}/usb_gadget/${USB_GROUP}
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USB_STRINGS_DIR=${USB_CONFIGFS_DIR}/strings/${USB_ATTRIBUTE}
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USB_FUNCTIONS_DIR=${USB_CONFIGFS_DIR}/functions
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USB_CONFIGS_DIR=${USB_CONFIGFS_DIR}/configs/${USB_SKELETON}
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syslink_function()
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{
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ln -s ${USB_FUNCTIONS_DIR}/$1 ${USB_CONFIGS_DIR}/f${USB_FUNCTIONS_CNT}
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let USB_FUNCTIONS_CNT=USB_FUNCTIONS_CNT+1
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}
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bind_functions()
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{
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USB_FUNCTIONS_CNT=1
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test $MTP_EN = on && syslink_function mtp.gs0
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test $RNDIS_EN = on && syslink_function rndis.gs0
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test $ADB_EN = on && syslink_function ffs.adb
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echo ${CONFIG_STRING} > ${USB_CONFIGS_DIR}/strings/${USB_ATTRIBUTE}/configuration
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}
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function_init()
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{
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test $RNDIS_EN = on && mkdir ${USB_FUNCTIONS_DIR}/rndis.gs0
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test $MTP_EN = on && mkdir ${USB_FUNCTIONS_DIR}/mtp.gs0
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if [ $ADB_EN = on ];then
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mkdir ${USB_FUNCTIONS_DIR}/ffs.adb
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mkdir /dev/usb-ffs/adb -m 0770
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mount -o uid=2000,gid=2000 -t functionfs adb /dev/usb-ffs/adb
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fi
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}
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configfs_init()
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{
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insmod /usr/lib/modules/phy-rockchip-naneng-usb2.ko
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insmod /usr/lib/modules/dwc3-of-simple.ko
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insmod /usr/lib/modules/dwc3.ko
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insmod /usr/lib/modules/dwc3-rockchip-inno.ko
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sleep 1
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mkdir /dev/usb-ffs
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mount -t configfs none ${CONFIGFS_DIR}
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mkdir ${USB_CONFIGFS_DIR} -m 0770
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echo 0x2207 > ${USB_CONFIGFS_DIR}/idVendor
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echo 0x0310 > ${USB_CONFIGFS_DIR}/bcdDevice
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echo 0x0200 > ${USB_CONFIGFS_DIR}/bcdUSB
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mkdir ${USB_STRINGS_DIR} -m 0770
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SERIAL=`cat /proc/cpuinfo | grep Serial | awk '{print $3}'`
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if [ -z $SERIAL ];then
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SERIAL=0123456789ABCDEF
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fi
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echo $SERIAL > ${USB_STRINGS_DIR}/serialnumber
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echo "rockchip" > ${USB_STRINGS_DIR}/manufacturer
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echo "rk3xxx" > ${USB_STRINGS_DIR}/product
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function_init
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mkdir ${USB_CONFIGS_DIR} -m 0770
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mkdir ${USB_CONFIGS_DIR}/strings/${USB_ATTRIBUTE} -m 0770
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echo 0x1 > ${USB_CONFIGFS_DIR}/os_desc/b_vendor_code
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echo "MSFT100" > ${USB_CONFIGFS_DIR}/os_desc/qw_sign
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echo 500 > ${USB_CONFIGS_DIR}/MaxPower
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ln -s ${USB_CONFIGS_DIR} ${USB_CONFIGFS_DIR}/os_desc/b.1
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}
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make_config_string()
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{
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tmp=$CONFIG_STRING
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if [ -n "$CONFIG_STRING" ]; then
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CONFIG_STRING=${tmp}_${1}
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else
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CONFIG_STRING=$1
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fi
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}
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parameter_init()
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{
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while read line
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do
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case "$line" in
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usb_adb_en)
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ADB_EN=on
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make_config_string adb
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;;
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usb_rndis_en)
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RNDIS_EN=on
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make_config_string rndis
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;;
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usb_mtp_en)
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MTP_EN=on
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make_config_string mtp
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;;
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esac
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done < $USB_CONFIG_FILE
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case "$CONFIG_STRING" in
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mtp)
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PID=0x0001
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;;
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adb)
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PID=0x0006
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;;
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mtp_adb | adb_mtp)
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PID=0x0011
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;;
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*)
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PID=0x0019
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esac
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}
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use_os_desc()
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{
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if [ $MTP_EN = on ];then
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echo "MTP" > ${USB_FUNCTIONS_DIR}/mtp.gs0/os_desc/interface.MTP/compatible_id
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echo 1 > ${USB_CONFIGFS_DIR}/os_desc/use
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fi
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}
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pre_run_binary()
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{
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if [ $ADB_EN = on ];then
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# insmod /vendor/lib/modules/rfkill.ko
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# insmod /vendor/lib/modules/cfg80211.ko
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ifconfig lo up
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start-stop-daemon --start --quiet --background --exec /usr/bin/adbd
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sleep 1
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fi
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}
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run_binary()
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{
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if [ $RNDIS_EN = on ];then
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ifconfig usb0 $RNDIS_ADDR
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ifconfig usb0 up
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fi
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if [ $MTP_EN = on ];then
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start-stop-daemon --start --quiet --background --exec /usr/bin/mtp-server
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fi
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}
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program_kill()
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{
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P_PID=`ps | grep $1 | grep -v grep | awk '{print $1}'`
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test -z ${P_PID} || kill -9 ${P_PID}
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}
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usb_device_stop()
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{
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echo "none" > ${USB_CONFIGFS_DIR}/UDC
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program_kill adbd
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program_kill mtp-server
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ls ${USB_CONFIGS_DIR} | grep f[0-9] | xargs -I {} rm ${USB_CONFIGS_DIR}/{}
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}
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case "$1" in
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start)
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{
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DIR=$(cd `dirname $0`; pwd)
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if [ ! -e "$DIR/.usb_config" ]; then
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echo "$0: Cannot find .usb_config"
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exit 0
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fi
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if [ -e /tmp/.usb_config ]; then
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USB_CONFIG_FILE=/tmp/.usb_config
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else
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USB_CONFIG_FILE=$DIR/.usb_config
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cp $DIR/.usb_config /tmp/.usb_config
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fi
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parameter_init
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if [ -z $CONFIG_STRING ];then
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echo "$0: no functions be selected"
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exit 0
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fi
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test -d ${USB_CONFIGFS_DIR} || configfs_init
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use_os_desc
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echo $PID > ${USB_CONFIGFS_DIR}/idProduct
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bind_functions
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pre_run_binary
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UDC=`ls /sys/class/udc/| awk '{print $1}'`
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echo $UDC > ${USB_CONFIGFS_DIR}/UDC
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run_binary
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}&
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;;
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stop)
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usb_device_stop
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;;
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restart)
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usb_device_stop
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sleep 1
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$0 start
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;;
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*)
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echo "Usage: $0 {start|stop|restart}"
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exit 1
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;;
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esac
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exit 0
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