146d0adf8256a42416584765625852b6e48497c90Mike Lockwood/* 246d0adf8256a42416584765625852b6e48497c90Mike Lockwood * Copyright (C) 2011 The Android Open Source Project 346d0adf8256a42416584765625852b6e48497c90Mike Lockwood * 446d0adf8256a42416584765625852b6e48497c90Mike Lockwood * Licensed under the Apache License, Version 2.0 (the "License"); 546d0adf8256a42416584765625852b6e48497c90Mike Lockwood * you may not use this file except in compliance with the License. 646d0adf8256a42416584765625852b6e48497c90Mike Lockwood * You may obtain a copy of the License at 746d0adf8256a42416584765625852b6e48497c90Mike Lockwood * 846d0adf8256a42416584765625852b6e48497c90Mike Lockwood * http://www.apache.org/licenses/LICENSE-2.0 946d0adf8256a42416584765625852b6e48497c90Mike Lockwood * 1046d0adf8256a42416584765625852b6e48497c90Mike Lockwood * Unless required by applicable law or agreed to in writing, software 1146d0adf8256a42416584765625852b6e48497c90Mike Lockwood * distributed under the License is distributed on an "AS IS" BASIS, 1246d0adf8256a42416584765625852b6e48497c90Mike Lockwood * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1346d0adf8256a42416584765625852b6e48497c90Mike Lockwood * See the License for the specific language governing permissions an 1446d0adf8256a42416584765625852b6e48497c90Mike Lockwood * limitations under the License. 1546d0adf8256a42416584765625852b6e48497c90Mike Lockwood */ 1646d0adf8256a42416584765625852b6e48497c90Mike Lockwood 1746d0adf8256a42416584765625852b6e48497c90Mike Lockwoodpackage com.android.server.usb; 1846d0adf8256a42416584765625852b6e48497c90Mike Lockwood 1946d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.content.Context; 207531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwoodimport android.hardware.usb.UsbConfiguration; 2146d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbConstants; 2246d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbDevice; 2346d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbEndpoint; 2446d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbInterface; 2546d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.os.Bundle; 2646d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.os.ParcelFileDescriptor; 2746d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.util.Slog; 2846d0adf8256a42416584765625852b6e48497c90Mike Lockwood 298b2c3a14603d163d7564e6f60286995079687690Jeff Sharkeyimport com.android.internal.annotations.GuardedBy; 302dbccc1926ea2d3e27c5cfd2d61d2b3d5ed787c0Jeff Brownimport com.android.internal.util.IndentingPrintWriter; 318b2c3a14603d163d7564e6f60286995079687690Jeff Sharkey 3246d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport java.io.FileDescriptor; 3346d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport java.io.PrintWriter; 347531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwoodimport java.util.ArrayList; 3546d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport java.util.HashMap; 3646d0adf8256a42416584765625852b6e48497c90Mike Lockwood 3746d0adf8256a42416584765625852b6e48497c90Mike Lockwood/** 3846d0adf8256a42416584765625852b6e48497c90Mike Lockwood * UsbHostManager manages USB state in host mode. 3946d0adf8256a42416584765625852b6e48497c90Mike Lockwood */ 4046d0adf8256a42416584765625852b6e48497c90Mike Lockwoodpublic class UsbHostManager { 4146d0adf8256a42416584765625852b6e48497c90Mike Lockwood private static final String TAG = UsbHostManager.class.getSimpleName(); 423d50308c7fd2a40dfdeeecdacd44b6ae6d28aafbMike Lockwood private static final boolean DEBUG = false; 4346d0adf8256a42416584765625852b6e48497c90Mike Lockwood 4446d0adf8256a42416584765625852b6e48497c90Mike Lockwood // contains all connected USB devices 45fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey private final HashMap<String, UsbDevice> mDevices = new HashMap<String, UsbDevice>(); 4646d0adf8256a42416584765625852b6e48497c90Mike Lockwood 473d50308c7fd2a40dfdeeecdacd44b6ae6d28aafbMike Lockwood 4846d0adf8256a42416584765625852b6e48497c90Mike Lockwood // USB busses to exclude from USB host support 4946d0adf8256a42416584765625852b6e48497c90Mike Lockwood private final String[] mHostBlacklist; 5046d0adf8256a42416584765625852b6e48497c90Mike Lockwood 5146d0adf8256a42416584765625852b6e48497c90Mike Lockwood private final Context mContext; 5246d0adf8256a42416584765625852b6e48497c90Mike Lockwood private final Object mLock = new Object(); 5346d0adf8256a42416584765625852b6e48497c90Mike Lockwood 547531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private UsbDevice mNewDevice; 557531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private UsbConfiguration mNewConfiguration; 567531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private UsbInterface mNewInterface; 577531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private ArrayList<UsbConfiguration> mNewConfigurations; 587531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private ArrayList<UsbInterface> mNewInterfaces; 597531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private ArrayList<UsbEndpoint> mNewEndpoints; 607531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 612e3434149e00f921ca3555ae55cba04d3c64eeb1Mike Lockwood private final UsbAlsaManager mUsbAlsaManager; 62df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean 638b2c3a14603d163d7564e6f60286995079687690Jeff Sharkey @GuardedBy("mLock") 64fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey private UsbSettingsManager mCurrentSettings; 65fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey 662e3434149e00f921ca3555ae55cba04d3c64eeb1Mike Lockwood public UsbHostManager(Context context, UsbAlsaManager alsaManager) { 6746d0adf8256a42416584765625852b6e48497c90Mike Lockwood mContext = context; 6846d0adf8256a42416584765625852b6e48497c90Mike Lockwood mHostBlacklist = context.getResources().getStringArray( 6946d0adf8256a42416584765625852b6e48497c90Mike Lockwood com.android.internal.R.array.config_usbHostBlacklist); 702e3434149e00f921ca3555ae55cba04d3c64eeb1Mike Lockwood mUsbAlsaManager = alsaManager; 7146d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 7246d0adf8256a42416584765625852b6e48497c90Mike Lockwood 73fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey public void setCurrentSettings(UsbSettingsManager settings) { 74fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey synchronized (mLock) { 75fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey mCurrentSettings = settings; 76fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 77fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 78fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey 79fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey private UsbSettingsManager getCurrentSettings() { 80fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey synchronized (mLock) { 81fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey return mCurrentSettings; 82fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 83fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 84fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey 8546d0adf8256a42416584765625852b6e48497c90Mike Lockwood private boolean isBlackListed(String deviceName) { 8646d0adf8256a42416584765625852b6e48497c90Mike Lockwood int count = mHostBlacklist.length; 8746d0adf8256a42416584765625852b6e48497c90Mike Lockwood for (int i = 0; i < count; i++) { 8846d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (deviceName.startsWith(mHostBlacklist[i])) { 8946d0adf8256a42416584765625852b6e48497c90Mike Lockwood return true; 9046d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 9146d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 9246d0adf8256a42416584765625852b6e48497c90Mike Lockwood return false; 9346d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 9446d0adf8256a42416584765625852b6e48497c90Mike Lockwood 9546d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* returns true if the USB device should not be accessible by applications */ 9646d0adf8256a42416584765625852b6e48497c90Mike Lockwood private boolean isBlackListed(int clazz, int subClass, int protocol) { 9746d0adf8256a42416584765625852b6e48497c90Mike Lockwood // blacklist hubs 9846d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (clazz == UsbConstants.USB_CLASS_HUB) return true; 9946d0adf8256a42416584765625852b6e48497c90Mike Lockwood 10046d0adf8256a42416584765625852b6e48497c90Mike Lockwood // blacklist HID boot devices (mouse and keyboard) 10146d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (clazz == UsbConstants.USB_CLASS_HID && 10246d0adf8256a42416584765625852b6e48497c90Mike Lockwood subClass == UsbConstants.USB_INTERFACE_SUBCLASS_BOOT) { 10346d0adf8256a42416584765625852b6e48497c90Mike Lockwood return true; 10446d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 10546d0adf8256a42416584765625852b6e48497c90Mike Lockwood 10646d0adf8256a42416584765625852b6e48497c90Mike Lockwood return false; 10746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 10846d0adf8256a42416584765625852b6e48497c90Mike Lockwood 1097531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB devices 1107531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Returns true if successful, in which case the JNI code will continue adding configurations, 1117531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood interfaces and endpoints, and finally call endUsbDeviceAdded after all descriptors 1127531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood have been processed 1137531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 1147531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private boolean beginUsbDeviceAdded(String deviceName, int vendorID, int productID, 11546d0adf8256a42416584765625852b6e48497c90Mike Lockwood int deviceClass, int deviceSubclass, int deviceProtocol, 116c9bb40ea95101f8a46fab29beac02cc7204be320Mike Lockwood String manufacturerName, String productName, int version, String serialNumber) { 11746d0adf8256a42416584765625852b6e48497c90Mike Lockwood 1183d50308c7fd2a40dfdeeecdacd44b6ae6d28aafbMike Lockwood if (DEBUG) { 119df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean Slog.d(TAG, "usb:UsbHostManager.beginUsbDeviceAdded(" + deviceName + ")"); 120df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // Audio Class Codes: 121df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // Audio: 0x01 122df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // Audio Subclass Codes: 123df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // undefined: 0x00 124df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // audio control: 0x01 125df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // audio streaming: 0x02 126df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // midi streaming: 0x03 127df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean 128df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // some useful debugging info 129df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean Slog.d(TAG, "usb: nm:" + deviceName + " vnd:" + vendorID + " prd:" + productID + " cls:" 130df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean + deviceClass + " sub:" + deviceSubclass + " proto:" + deviceProtocol); 131c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 132c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 133df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // OK this is non-obvious, but true. One can't tell if the device being attached is even 134df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // potentially an audio device without parsing the interface descriptors, so punt on any 135df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean // such test until endUsbDeviceAdded() when we have that info. 136df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean 13746d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (isBlackListed(deviceName) || 13846d0adf8256a42416584765625852b6e48497c90Mike Lockwood isBlackListed(deviceClass, deviceSubclass, deviceProtocol)) { 1397531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return false; 14046d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 14146d0adf8256a42416584765625852b6e48497c90Mike Lockwood 14246d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 14346d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (mDevices.get(deviceName) != null) { 144fdc0c2984d05e32954608f46514c4cbe3a5a9424Mike Lockwood Slog.w(TAG, "device already on mDevices list: " + deviceName); 1457531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return false; 14646d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 14746d0adf8256a42416584765625852b6e48497c90Mike Lockwood 1487531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewDevice != null) { 1497531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Slog.e(TAG, "mNewDevice is not null in endUsbDeviceAdded"); 1507531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return false; 15146d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 15246d0adf8256a42416584765625852b6e48497c90Mike Lockwood 153c9bb40ea95101f8a46fab29beac02cc7204be320Mike Lockwood // Create version string in "%.%" format 154c9bb40ea95101f8a46fab29beac02cc7204be320Mike Lockwood String versionString = Integer.toString(version >> 8) + "." + (version & 0xFF); 155c9bb40ea95101f8a46fab29beac02cc7204be320Mike Lockwood 1567531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewDevice = new UsbDevice(deviceName, vendorID, productID, 157575ca85c147f1521480ea98aca13aa3b1ec38884Robin Cutshaw deviceClass, deviceSubclass, deviceProtocol, 158c9bb40ea95101f8a46fab29beac02cc7204be320Mike Lockwood manufacturerName, productName, versionString, serialNumber); 1597531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 1607531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations = new ArrayList<UsbConfiguration>(); 1617531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces = new ArrayList<UsbInterface>(); 1627531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints = new ArrayList<UsbEndpoint>(); 1637531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 164df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean 1657531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return true; 1667531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 1677531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 1687531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB configuration for the device 1697531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood currently being added. Returns true if successful, false in case of error. 1707531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 1717531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void addUsbConfiguration(int id, String name, int attributes, int maxPower) { 1727531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewConfiguration != null) { 1737531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfiguration.setInterfaces( 1747531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.toArray(new UsbInterface[mNewInterfaces.size()])); 1757531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.clear(); 1767531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 1777531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 1787531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfiguration = new UsbConfiguration(id, name, attributes, maxPower); 1797531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations.add(mNewConfiguration); 1807531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 1817531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 1827531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB interface for the device 1837531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood currently being added. Returns true if successful, false in case of error. 1847531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 1857531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void addUsbInterface(int id, String name, int altSetting, 1867531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood int Class, int subClass, int protocol) { 1877531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewInterface != null) { 1887531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterface.setEndpoints( 1897531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.toArray(new UsbEndpoint[mNewEndpoints.size()])); 1907531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.clear(); 1917531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 1927531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 1937531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterface = new UsbInterface(id, altSetting, name, Class, subClass, protocol); 1947531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.add(mNewInterface); 1957531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 1967531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 1977531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB endpoint for the device 1987531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood currently being added. Returns true if successful, false in case of error. 1997531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 2007531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void addUsbEndpoint(int address, int attributes, int maxPacketSize, int interval) { 2017531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.add(new UsbEndpoint(address, attributes, maxPacketSize, interval)); 2027531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2037531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2047531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to finish adding a new device */ 2057531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void endUsbDeviceAdded() { 2063d50308c7fd2a40dfdeeecdacd44b6ae6d28aafbMike Lockwood if (DEBUG) { 207c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Slog.d(TAG, "usb:UsbHostManager.endUsbDeviceAdded()"); 208c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 2097531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewInterface != null) { 2107531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterface.setEndpoints( 2117531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.toArray(new UsbEndpoint[mNewEndpoints.size()])); 2127531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2137531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewConfiguration != null) { 2147531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfiguration.setInterfaces( 2157531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.toArray(new UsbInterface[mNewInterfaces.size()])); 2167531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2177531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 218df3614693dd4fe52a116dcd28bd74eae80818a4fPaul McLean 2197531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood synchronized (mLock) { 2207531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewDevice != null) { 2217531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewDevice.setConfigurations( 2227531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations.toArray(new UsbConfiguration[mNewConfigurations.size()])); 2237531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mDevices.put(mNewDevice.getDeviceName(), mNewDevice); 2247531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Slog.d(TAG, "Added device " + mNewDevice); 2257531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood getCurrentSettings().deviceAttached(mNewDevice); 2262e3434149e00f921ca3555ae55cba04d3c64eeb1Mike Lockwood mUsbAlsaManager.usbDeviceAdded(mNewDevice); 2277531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } else { 2287531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Slog.e(TAG, "mNewDevice is null in endUsbDeviceAdded"); 2297531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2307531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewDevice = null; 2317531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations = null; 2327531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces = null; 2337531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints = null; 234ed987a52a2aa028814ecc73dd6d60244ac1df7f5wang.zhenyu mNewConfiguration = null; 235ed987a52a2aa028814ecc73dd6d60244ac1df7f5wang.zhenyu mNewInterface = null; 23646d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 23746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 23846d0adf8256a42416584765625852b6e48497c90Mike Lockwood 23946d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* Called from JNI in monitorUsbHostBus to report USB device removal */ 24046d0adf8256a42416584765625852b6e48497c90Mike Lockwood private void usbDeviceRemoved(String deviceName) { 24146d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 24246d0adf8256a42416584765625852b6e48497c90Mike Lockwood UsbDevice device = mDevices.remove(deviceName); 24346d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (device != null) { 2442e3434149e00f921ca3555ae55cba04d3c64eeb1Mike Lockwood mUsbAlsaManager.usbDeviceRemoved(device); 245fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey getCurrentSettings().deviceDetached(device); 24646d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 24746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 24846d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 24946d0adf8256a42416584765625852b6e48497c90Mike Lockwood 25046d0adf8256a42416584765625852b6e48497c90Mike Lockwood public void systemReady() { 25146d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 25246d0adf8256a42416584765625852b6e48497c90Mike Lockwood // Create a thread to call into native code to wait for USB host events. 25346d0adf8256a42416584765625852b6e48497c90Mike Lockwood // This thread will call us back on usbDeviceAdded and usbDeviceRemoved. 25446d0adf8256a42416584765625852b6e48497c90Mike Lockwood Runnable runnable = new Runnable() { 25546d0adf8256a42416584765625852b6e48497c90Mike Lockwood public void run() { 25646d0adf8256a42416584765625852b6e48497c90Mike Lockwood monitorUsbHostBus(); 25746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 25846d0adf8256a42416584765625852b6e48497c90Mike Lockwood }; 25946d0adf8256a42416584765625852b6e48497c90Mike Lockwood new Thread(null, runnable, "UsbService host thread").start(); 26046d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 26146d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 26246d0adf8256a42416584765625852b6e48497c90Mike Lockwood 26346d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* Returns a list of all currently attached USB devices */ 26446d0adf8256a42416584765625852b6e48497c90Mike Lockwood public void getDeviceList(Bundle devices) { 26546d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 26646d0adf8256a42416584765625852b6e48497c90Mike Lockwood for (String name : mDevices.keySet()) { 26746d0adf8256a42416584765625852b6e48497c90Mike Lockwood devices.putParcelable(name, mDevices.get(name)); 26846d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 26946d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 27046d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 27146d0adf8256a42416584765625852b6e48497c90Mike Lockwood 27246d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* Opens the specified USB device */ 27346d0adf8256a42416584765625852b6e48497c90Mike Lockwood public ParcelFileDescriptor openDevice(String deviceName) { 27446d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 27546d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (isBlackListed(deviceName)) { 27646d0adf8256a42416584765625852b6e48497c90Mike Lockwood throw new SecurityException("USB device is on a restricted bus"); 27746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 27846d0adf8256a42416584765625852b6e48497c90Mike Lockwood UsbDevice device = mDevices.get(deviceName); 27946d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (device == null) { 28046d0adf8256a42416584765625852b6e48497c90Mike Lockwood // if it is not in mDevices, it either does not exist or is blacklisted 28146d0adf8256a42416584765625852b6e48497c90Mike Lockwood throw new IllegalArgumentException( 28246d0adf8256a42416584765625852b6e48497c90Mike Lockwood "device " + deviceName + " does not exist or is restricted"); 28346d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 284fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey getCurrentSettings().checkPermission(device); 28546d0adf8256a42416584765625852b6e48497c90Mike Lockwood return nativeOpenDevice(deviceName); 28646d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 28746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 28846d0adf8256a42416584765625852b6e48497c90Mike Lockwood 2892dbccc1926ea2d3e27c5cfd2d61d2b3d5ed787c0Jeff Brown public void dump(IndentingPrintWriter pw) { 29046d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 2912dbccc1926ea2d3e27c5cfd2d61d2b3d5ed787c0Jeff Brown pw.println("USB Host State:"); 29246d0adf8256a42416584765625852b6e48497c90Mike Lockwood for (String name : mDevices.keySet()) { 2932dbccc1926ea2d3e27c5cfd2d61d2b3d5ed787c0Jeff Brown pw.println(" " + name + ": " + mDevices.get(name)); 29446d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 29546d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 29646d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 29746d0adf8256a42416584765625852b6e48497c90Mike Lockwood 29846d0adf8256a42416584765625852b6e48497c90Mike Lockwood private native void monitorUsbHostBus(); 29946d0adf8256a42416584765625852b6e48497c90Mike Lockwood private native ParcelFileDescriptor nativeOpenDevice(String deviceName); 30046d0adf8256a42416584765625852b6e48497c90Mike Lockwood} 301