Version Bump

app-mobilephone/pinephone-meta/files/pinephone-usb-gadget.sh

@@ -0,0 +1,91 @@
+#!/bin/sh
+
+CONFIGFS=/sys/kernel/config/usb_gadget/g1
+USB_VENDORID="0x1D6B"  # Linux Foundation
+USB_PRODUCTID="0x0104" # Multifunction composite gadget
+USB_MANUF="Manjaro"
+USB_PRODUCT="Manjaro"
+USB_SERIAL=`cat /etc/machine-id`
+
+setup() {
+    # Don't do anything if the USB gadget already exists
+    [ -d $CONFIGFS ] && exit 0
+
+    # Required to make a composite gadget
+    modprobe libcomposite
+
+    # Create all required directories
+    echo "Creating the USB gadget..."
+    mkdir -p $CONFIGFS
+    mkdir -p $CONFIGFS/strings/0x409
+    mkdir -p $CONFIGFS/configs/c.1
+    mkdir -p $CONFIGFS/configs/c.1/strings/0x409
+
+    # Setup IDs and strings
+    echo "Setting up gadget strings..."
+    echo $USB_VENDORID > $CONFIGFS/idVendor
+    echo $USB_PRODUCTID > $CONFIGFS/idProduct
+    echo $USB_MANUF > $CONFIGFS/strings/0x409/manufacturer
+    echo $USB_PRODUCT > $CONFIGFS/strings/0x409/product
+    echo $USB_SERIAL > $CONFIGFS/strings/0x409/serialnumber
+
+    # Create ECM (ethernet) function
+    echo "Adding ECM function..."
+    mkdir $CONFIGFS/functions/ecm.usb0
+
+    # TODO: create RNDIS function for Windows compatibility
+
+    # Create MTP using FunctionFS
+    echo "Adding MTP function using FunctionFS..."
+    mkdir $CONFIGFS/functions/ffs.mtp
+
+    # Create configuration
+    echo "Creating gadget configuration..."
+    echo "Ethernet + MTP" > $CONFIGFS/configs/c.1/strings/0x409/configuration
+    ln -s $CONFIGFS/functions/ecm.usb0 $CONFIGFS/configs/c.1
+    ln -s $CONFIGFS/functions/ffs.mtp $CONFIGFS/configs/c.1
+
+    # Mount the MTP FunctionFS
+    echo "Mounting FunctionFS..."
+    mkdir -p /dev/ffs-mtp
+    mount -t functionfs mtp /dev/ffs-mtp
+}
+
+start() {
+    echo "Enabling the USB gadget..."
+    sleep 1
+    UDC=`ls /sys/class/udc`
+    echo "$UDC" > $CONFIGFS/UDC
+}
+
+reset() {
+    echo "Removing the USB gadget..."
+
+    # Remove USB gadget
+    if [ -d $CONFIGFS ]; then
+        echo "Removing gadget configuration..."
+        rm $CONFIGFS/configs/c.1/ffs.mtp
+        rm $CONFIGFS/configs/c.1/ecm.usb0
+        rmdir $CONFIGFS/configs/c.1/strings/0x409/
+        rmdir $CONFIGFS/configs/c.1/
+        rmdir $CONFIGFS/functions/ffs.mtp
+        rmdir $CONFIGFS/functions/ecm.usb0
+        rmdir $CONFIGFS/strings/0x409/
+        rmdir $CONFIGFS
+    fi
+
+    # Unmount FunctionFS and delete its mount point
+    if [ -d /dev/ffs-mtp ]; then
+        echo "Unmounting FunctionFS..."
+        umount /dev/ffs-mtp
+        rmdir /dev/ffs-mtp
+    fi
+}
+
+
+case "$1" in
+    reset) reset ;;
+    setup) setup ;;
+    start) start ;;
+    *) ;;
+esac