UsbHostManager.java revision c837a451946b64d70ed7c642fbde03c182c28b6f
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; 20c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLeanimport android.content.Intent; 217531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwoodimport android.hardware.usb.UsbConfiguration; 2246d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbConstants; 2346d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbDevice; 2446d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbEndpoint; 2546d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.hardware.usb.UsbInterface; 2646d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.os.Bundle; 2746d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.os.ParcelFileDescriptor; 28fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkeyimport android.os.Parcelable; 29c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLeanimport android.os.UserHandle; 3046d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport android.util.Slog; 3146d0adf8256a42416584765625852b6e48497c90Mike Lockwood 328b2c3a14603d163d7564e6f60286995079687690Jeff Sharkeyimport com.android.internal.annotations.GuardedBy; 338b2c3a14603d163d7564e6f60286995079687690Jeff Sharkey 34c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLeanimport java.io.File; 3546d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport java.io.FileDescriptor; 36c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLeanimport java.io.FileNotFoundException; 3746d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport java.io.PrintWriter; 387531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwoodimport java.util.ArrayList; 3946d0adf8256a42416584765625852b6e48497c90Mike Lockwoodimport java.util.HashMap; 40c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLeanimport java.util.Scanner; 4146d0adf8256a42416584765625852b6e48497c90Mike Lockwood 4246d0adf8256a42416584765625852b6e48497c90Mike Lockwood/** 4346d0adf8256a42416584765625852b6e48497c90Mike Lockwood * UsbHostManager manages USB state in host mode. 4446d0adf8256a42416584765625852b6e48497c90Mike Lockwood */ 4546d0adf8256a42416584765625852b6e48497c90Mike Lockwoodpublic class UsbHostManager { 4646d0adf8256a42416584765625852b6e48497c90Mike Lockwood private static final String TAG = UsbHostManager.class.getSimpleName(); 47c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean private static final boolean DEBUG_AUDIO = false; 4846d0adf8256a42416584765625852b6e48497c90Mike Lockwood 4946d0adf8256a42416584765625852b6e48497c90Mike Lockwood // contains all connected USB devices 50fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey private final HashMap<String, UsbDevice> mDevices = new HashMap<String, UsbDevice>(); 5146d0adf8256a42416584765625852b6e48497c90Mike Lockwood 5246d0adf8256a42416584765625852b6e48497c90Mike Lockwood // USB busses to exclude from USB host support 5346d0adf8256a42416584765625852b6e48497c90Mike Lockwood private final String[] mHostBlacklist; 5446d0adf8256a42416584765625852b6e48497c90Mike Lockwood 5546d0adf8256a42416584765625852b6e48497c90Mike Lockwood private final Context mContext; 5646d0adf8256a42416584765625852b6e48497c90Mike Lockwood private final Object mLock = new Object(); 5746d0adf8256a42416584765625852b6e48497c90Mike Lockwood 587531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private UsbDevice mNewDevice; 597531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private UsbConfiguration mNewConfiguration; 607531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private UsbInterface mNewInterface; 617531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private ArrayList<UsbConfiguration> mNewConfigurations; 627531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private ArrayList<UsbInterface> mNewInterfaces; 637531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private ArrayList<UsbEndpoint> mNewEndpoints; 647531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 658b2c3a14603d163d7564e6f60286995079687690Jeff Sharkey @GuardedBy("mLock") 66fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey private UsbSettingsManager mCurrentSettings; 67fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey 68fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey public UsbHostManager(Context context) { 6946d0adf8256a42416584765625852b6e48497c90Mike Lockwood mContext = context; 7046d0adf8256a42416584765625852b6e48497c90Mike Lockwood mHostBlacklist = context.getResources().getStringArray( 7146d0adf8256a42416584765625852b6e48497c90Mike Lockwood com.android.internal.R.array.config_usbHostBlacklist); 7246d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 7346d0adf8256a42416584765625852b6e48497c90Mike Lockwood 74fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey public void setCurrentSettings(UsbSettingsManager settings) { 75fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey synchronized (mLock) { 76fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey mCurrentSettings = settings; 77fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 78fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 79fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey 80fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey private UsbSettingsManager getCurrentSettings() { 81fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey synchronized (mLock) { 82fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey return mCurrentSettings; 83fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 84fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey } 85fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey 8646d0adf8256a42416584765625852b6e48497c90Mike Lockwood private boolean isBlackListed(String deviceName) { 8746d0adf8256a42416584765625852b6e48497c90Mike Lockwood int count = mHostBlacklist.length; 8846d0adf8256a42416584765625852b6e48497c90Mike Lockwood for (int i = 0; i < count; i++) { 8946d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (deviceName.startsWith(mHostBlacklist[i])) { 9046d0adf8256a42416584765625852b6e48497c90Mike Lockwood return true; 9146d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 9246d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 9346d0adf8256a42416584765625852b6e48497c90Mike Lockwood return false; 9446d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 9546d0adf8256a42416584765625852b6e48497c90Mike Lockwood 9646d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* returns true if the USB device should not be accessible by applications */ 9746d0adf8256a42416584765625852b6e48497c90Mike Lockwood private boolean isBlackListed(int clazz, int subClass, int protocol) { 9846d0adf8256a42416584765625852b6e48497c90Mike Lockwood // blacklist hubs 9946d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (clazz == UsbConstants.USB_CLASS_HUB) return true; 10046d0adf8256a42416584765625852b6e48497c90Mike Lockwood 10146d0adf8256a42416584765625852b6e48497c90Mike Lockwood // blacklist HID boot devices (mouse and keyboard) 10246d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (clazz == UsbConstants.USB_CLASS_HID && 10346d0adf8256a42416584765625852b6e48497c90Mike Lockwood subClass == UsbConstants.USB_INTERFACE_SUBCLASS_BOOT) { 10446d0adf8256a42416584765625852b6e48497c90Mike Lockwood return true; 10546d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 10646d0adf8256a42416584765625852b6e48497c90Mike Lockwood 10746d0adf8256a42416584765625852b6e48497c90Mike Lockwood return false; 10846d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 10946d0adf8256a42416584765625852b6e48497c90Mike Lockwood 110c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // Broadcasts the arrival/departure of a USB audio interface 111c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // card - the ALSA card number of the physical interface 112c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // device - the ALSA device number of the physical interface 113c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // enabled - if true, we're connecting a device (it's arrived), else disconnecting 114c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean private void sendDeviceNotification(int card, int device, boolean enabled, 115c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean boolean hasPlayback, boolean hasCapture, boolean hasMIDI) { 116c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // send a sticky broadcast containing current USB state 117c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Intent intent = new Intent(Intent.ACTION_USB_AUDIO_DEVICE_PLUG); 118c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); 119c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 120c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.putExtra("state", enabled ? 1 : 0); 121c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.putExtra("card", card); 122c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.putExtra("device", device); 123c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.putExtra("hasPlayback", hasPlayback); 124c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.putExtra("hasCapture", hasCapture); 125c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean intent.putExtra("hasMIDI", hasMIDI); 126c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); 127c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 128c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 129c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean static boolean isBuiltInUsbDevice(String deviceName) { 130c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // This may be too broad an assumption 131c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean return deviceName.equals("/dev/bus/usb/001/001"); 132c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 133c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 1347531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB devices 1357531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Returns true if successful, in which case the JNI code will continue adding configurations, 1367531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood interfaces and endpoints, and finally call endUsbDeviceAdded after all descriptors 1377531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood have been processed 1387531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 1397531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private boolean beginUsbDeviceAdded(String deviceName, int vendorID, int productID, 14046d0adf8256a42416584765625852b6e48497c90Mike Lockwood int deviceClass, int deviceSubclass, int deviceProtocol, 1417531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood String manufacturerName, String productName, String serialNumber) { 14246d0adf8256a42416584765625852b6e48497c90Mike Lockwood 143c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean if (DEBUG_AUDIO) { 144c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Slog.d(TAG, "usb:UsbHostManager.beginUsbDeviceAdded(" + deviceName + ")"); 145c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // Audio Class Codes: 146c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // Audio: 0x01 147c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // Audio Subclass Codes: 148c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // undefined: 0x00 149c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // audio control: 0x01 150c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // audio streaming: 0x02 151c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // midi streaming: 0x03 152c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 153c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // some useful debugging info 154c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Slog.d(TAG, "usb:UsbHostManager.usbDeviceAdded()"); 155c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Slog.d(TAG, "usb: nm:" + deviceName + 156c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean " vnd:" + vendorID + 157c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean " prd:" + productID + 158c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean " cls:" + deviceClass + 159c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean " sub:" + deviceSubclass + 160c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean " proto:" + deviceProtocol); 161c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 162c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 163c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean if (!isBuiltInUsbDevice(deviceName)) { 164c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean //TODO(pmclean) we will need this when we need to support USB interfaces 165c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // beyond card1, device0 but turn them off for now 166c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean //com.android.alsascan.AlsaCardsParser cardsParser = 167c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // new com.android.alsascan.AlsaCardsParser(); 168c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean //cardsParser.scan(); 169c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean //cardsParser.Log(); 170c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 171c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // But we need to parse the device to determine its capabilities. 172c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean com.android.alsascan.AlsaDevicesParser devicesParser = 173c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean new com.android.alsascan.AlsaDevicesParser(); 174c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean devicesParser.scan(); 175c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean //devicesParser.Log(); 176c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 177c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean boolean hasPlaybackDevices = devicesParser.hasPlaybackDevices(); 178c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean boolean hasCaptureDevices = devicesParser.hasCaptureDevices(); 179c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean boolean hasMIDI = devicesParser.hasMIDIDevices(); 180c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 181c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean if (DEBUG_AUDIO) { 182c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Slog.d(TAG, "usb: hasPlayback:" + hasPlaybackDevices 183c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean + " hasCapture:" + hasCaptureDevices); 184c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 185c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 186c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean //TODO(pmclean) 187c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // For now just assume that any USB device that is attached is: 188c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // 1. An audio interface and 189c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // 2. is card:1 device:0 190c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean int cardNum = 1; 191c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean int deviceNum = 0; 192c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean sendDeviceNotification(cardNum, deviceNum, true, 193c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean hasPlaybackDevices, hasCaptureDevices, hasMIDI); 194c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 195c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 19646d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (isBlackListed(deviceName) || 19746d0adf8256a42416584765625852b6e48497c90Mike Lockwood isBlackListed(deviceClass, deviceSubclass, deviceProtocol)) { 1987531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return false; 19946d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 20046d0adf8256a42416584765625852b6e48497c90Mike Lockwood 20146d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 20246d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (mDevices.get(deviceName) != null) { 203fdc0c2984d05e32954608f46514c4cbe3a5a9424Mike Lockwood Slog.w(TAG, "device already on mDevices list: " + deviceName); 2047531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return false; 20546d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 20646d0adf8256a42416584765625852b6e48497c90Mike Lockwood 2077531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewDevice != null) { 2087531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Slog.e(TAG, "mNewDevice is not null in endUsbDeviceAdded"); 2097531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return false; 21046d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 21146d0adf8256a42416584765625852b6e48497c90Mike Lockwood 2127531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewDevice = new UsbDevice(deviceName, vendorID, productID, 213575ca85c147f1521480ea98aca13aa3b1ec38884Robin Cutshaw deviceClass, deviceSubclass, deviceProtocol, 2147531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood manufacturerName, productName, serialNumber); 2157531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2167531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations = new ArrayList<UsbConfiguration>(); 2177531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces = new ArrayList<UsbInterface>(); 2187531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints = new ArrayList<UsbEndpoint>(); 2197531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2207531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood return true; 2217531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2227531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2237531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB configuration for the device 2247531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood currently being added. Returns true if successful, false in case of error. 2257531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 2267531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void addUsbConfiguration(int id, String name, int attributes, int maxPower) { 2277531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewConfiguration != null) { 2287531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfiguration.setInterfaces( 2297531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.toArray(new UsbInterface[mNewInterfaces.size()])); 2307531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.clear(); 2317531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2327531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2337531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfiguration = new UsbConfiguration(id, name, attributes, maxPower); 2347531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations.add(mNewConfiguration); 2357531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2367531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2377531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB interface for the device 2387531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood currently being added. Returns true if successful, false in case of error. 2397531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 2407531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void addUsbInterface(int id, String name, int altSetting, 2417531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood int Class, int subClass, int protocol) { 2427531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewInterface != null) { 2437531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterface.setEndpoints( 2447531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.toArray(new UsbEndpoint[mNewEndpoints.size()])); 2457531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.clear(); 2467531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2477531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2487531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterface = new UsbInterface(id, altSetting, name, Class, subClass, protocol); 2497531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.add(mNewInterface); 2507531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2517531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2527531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to report new USB endpoint for the device 2537531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood currently being added. Returns true if successful, false in case of error. 2547531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood */ 2557531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void addUsbEndpoint(int address, int attributes, int maxPacketSize, int interval) { 2567531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.add(new UsbEndpoint(address, attributes, maxPacketSize, interval)); 2577531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2587531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2597531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood /* Called from JNI in monitorUsbHostBus() to finish adding a new device */ 2607531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood private void endUsbDeviceAdded() { 261c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean if (DEBUG_AUDIO) { 262c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Slog.d(TAG, "usb:UsbHostManager.endUsbDeviceAdded()"); 263c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 2647531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewInterface != null) { 2657531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterface.setEndpoints( 2667531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints.toArray(new UsbEndpoint[mNewEndpoints.size()])); 2677531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2687531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewConfiguration != null) { 2697531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfiguration.setInterfaces( 2707531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces.toArray(new UsbInterface[mNewInterfaces.size()])); 2717531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2727531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood 2737531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood synchronized (mLock) { 2747531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood if (mNewDevice != null) { 2757531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewDevice.setConfigurations( 2767531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations.toArray(new UsbConfiguration[mNewConfigurations.size()])); 2777531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mDevices.put(mNewDevice.getDeviceName(), mNewDevice); 2787531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Slog.d(TAG, "Added device " + mNewDevice); 2797531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood getCurrentSettings().deviceAttached(mNewDevice); 2807531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } else { 2817531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood Slog.e(TAG, "mNewDevice is null in endUsbDeviceAdded"); 2827531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood } 2837531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewDevice = null; 2847531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewConfigurations = null; 2857531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewInterfaces = null; 2867531aa22355cf03f51def61ba67f1636bf85f408Mike Lockwood mNewEndpoints = null; 28746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 28846d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 28946d0adf8256a42416584765625852b6e48497c90Mike Lockwood 29046d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* Called from JNI in monitorUsbHostBus to report USB device removal */ 29146d0adf8256a42416584765625852b6e48497c90Mike Lockwood private void usbDeviceRemoved(String deviceName) { 292c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean if (DEBUG_AUDIO) { 293c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean Slog.d(TAG, "usb:UsbHostManager.usbDeviceRemoved() nm:" + deviceName); 294c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean } 295c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 296c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean // Same assumptions as the fake-out above 297c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean sendDeviceNotification(1, 0, false, /*NA*/false, /*NA*/false, /*NA*/false); 298c837a451946b64d70ed7c642fbde03c182c28b6fPaul McLean 29946d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 30046d0adf8256a42416584765625852b6e48497c90Mike Lockwood UsbDevice device = mDevices.remove(deviceName); 30146d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (device != null) { 302fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey getCurrentSettings().deviceDetached(device); 30346d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 30446d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 30546d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 30646d0adf8256a42416584765625852b6e48497c90Mike Lockwood 30746d0adf8256a42416584765625852b6e48497c90Mike Lockwood public void systemReady() { 30846d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 30946d0adf8256a42416584765625852b6e48497c90Mike Lockwood // Create a thread to call into native code to wait for USB host events. 31046d0adf8256a42416584765625852b6e48497c90Mike Lockwood // This thread will call us back on usbDeviceAdded and usbDeviceRemoved. 31146d0adf8256a42416584765625852b6e48497c90Mike Lockwood Runnable runnable = new Runnable() { 31246d0adf8256a42416584765625852b6e48497c90Mike Lockwood public void run() { 31346d0adf8256a42416584765625852b6e48497c90Mike Lockwood monitorUsbHostBus(); 31446d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 31546d0adf8256a42416584765625852b6e48497c90Mike Lockwood }; 31646d0adf8256a42416584765625852b6e48497c90Mike Lockwood new Thread(null, runnable, "UsbService host thread").start(); 31746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 31846d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 31946d0adf8256a42416584765625852b6e48497c90Mike Lockwood 32046d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* Returns a list of all currently attached USB devices */ 32146d0adf8256a42416584765625852b6e48497c90Mike Lockwood public void getDeviceList(Bundle devices) { 32246d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 32346d0adf8256a42416584765625852b6e48497c90Mike Lockwood for (String name : mDevices.keySet()) { 32446d0adf8256a42416584765625852b6e48497c90Mike Lockwood devices.putParcelable(name, mDevices.get(name)); 32546d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 32646d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 32746d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 32846d0adf8256a42416584765625852b6e48497c90Mike Lockwood 32946d0adf8256a42416584765625852b6e48497c90Mike Lockwood /* Opens the specified USB device */ 33046d0adf8256a42416584765625852b6e48497c90Mike Lockwood public ParcelFileDescriptor openDevice(String deviceName) { 33146d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 33246d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (isBlackListed(deviceName)) { 33346d0adf8256a42416584765625852b6e48497c90Mike Lockwood throw new SecurityException("USB device is on a restricted bus"); 33446d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 33546d0adf8256a42416584765625852b6e48497c90Mike Lockwood UsbDevice device = mDevices.get(deviceName); 33646d0adf8256a42416584765625852b6e48497c90Mike Lockwood if (device == null) { 33746d0adf8256a42416584765625852b6e48497c90Mike Lockwood // if it is not in mDevices, it either does not exist or is blacklisted 33846d0adf8256a42416584765625852b6e48497c90Mike Lockwood throw new IllegalArgumentException( 33946d0adf8256a42416584765625852b6e48497c90Mike Lockwood "device " + deviceName + " does not exist or is restricted"); 34046d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 341fc3f24b4b60c10e0d3f41f70df37e11ea311cc2cJeff Sharkey getCurrentSettings().checkPermission(device); 34246d0adf8256a42416584765625852b6e48497c90Mike Lockwood return nativeOpenDevice(deviceName); 34346d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 34446d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 34546d0adf8256a42416584765625852b6e48497c90Mike Lockwood 34646d0adf8256a42416584765625852b6e48497c90Mike Lockwood public void dump(FileDescriptor fd, PrintWriter pw) { 34746d0adf8256a42416584765625852b6e48497c90Mike Lockwood synchronized (mLock) { 34846d0adf8256a42416584765625852b6e48497c90Mike Lockwood pw.println(" USB Host State:"); 34946d0adf8256a42416584765625852b6e48497c90Mike Lockwood for (String name : mDevices.keySet()) { 35046d0adf8256a42416584765625852b6e48497c90Mike Lockwood pw.println(" " + name + ": " + mDevices.get(name)); 35146d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 35246d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 35346d0adf8256a42416584765625852b6e48497c90Mike Lockwood } 35446d0adf8256a42416584765625852b6e48497c90Mike Lockwood 35546d0adf8256a42416584765625852b6e48497c90Mike Lockwood private native void monitorUsbHostBus(); 35646d0adf8256a42416584765625852b6e48497c90Mike Lockwood private native ParcelFileDescriptor nativeOpenDevice(String deviceName); 35746d0adf8256a42416584765625852b6e48497c90Mike Lockwood} 358