xnu-344.21.73.tar.gz

[apple/xnu.git] / iokit / Drivers / platform / drvApplePMU / IOPMUADBController.cpp

diff --git a/iokit/Drivers/platform/drvApplePMU/IOPMUADBController.cpp b/iokit/Drivers/platform/drvApplePMU/IOPMUADBController.cpp
index 8220e85117616a679103d934afbaf89d424d7a26..f71f313daf85160c09324e22d2a74f6f447fd3bb 100644 (file)
--- a/iokit/Drivers/platform/drvApplePMU/IOPMUADBController.cpp
+++ b/iokit/Drivers/platform/drvApplePMU/IOPMUADBController.cpp
@@ -3,19 +3,22 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -23,6 +26,7 @@
  * 12 Nov 1998 suurballe  Created.
  */
 
+#include <IOKit/pwr_mgt/IOPM.h>
 #include <IOKit/IOSyncer.h>
 #include "IOPMUADBController.h"
 
@@ -69,7 +73,7 @@ bool IOPMUADBController::start ( IOService * nub )
     waitingForData = NULL;
 
     // Registers for the two interrupts that needs to handle:
-    if (PMUdriver->callPlatformFunction("registerForPMUInterrupts", true, (void*)kPMUADBint, (void*)handleADBInterrupt, (void*)this, NULL) != kIOReturnSuccess) {
+    if (PMUdriver->callPlatformFunction("registerForPMUInterrupts", true, (void*) (kPMUADBint | kPMUenvironmentInt), (void*)handleADBInterrupt, (void*)this, NULL) != kIOReturnSuccess) {
 #ifdef VERBOSE_LOGS_ON
         IOLog("IOPMUADBController::start registerForPMUInterrupts kPMUADBint fails\n");
 #endif // VERBOSE_LOGS_ON
@@ -83,6 +87,8 @@ bool IOPMUADBController::start ( IOService * nub )
     if (!requestMutexLock)
         return false;
 
+    clamshellOpen = true;
+
     // This happens last (while the most common place is the begin) because
     // trhe superclass may need the services of the functions above.
     if( !super::start(nub))
@@ -105,7 +111,7 @@ void IOPMUADBController::free ( )
 
     // And removes the interrupt handler:
     if (PMUdriver != NULL)
-        PMUdriver->callPlatformFunction("deRegisterClient", true, (void*)this, (void*)kPMUADBint, NULL, NULL);
+        PMUdriver->callPlatformFunction("deRegisterClient", true, (void*)this, (void*)(kPMUADBint | kPMUenvironmentInt), NULL, NULL);
 }
 
 // **********************************************************************************
@@ -144,7 +150,9 @@ IOReturn IOPMUADBController::localSendMiscCommand(int command, IOByteCount sLeng
 
 // **********************************************************************************
 // this is the interrupt handler for all ADB interrupts:
-//
+// A.W.  Added code to check for clamshell status, and block all ADB traffic except 
+//       for POWER key scan code from default ADB keyboard or devices that connect
+//       to that keyboard power button.
 // **********************************************************************************
 
 /* static */ void
@@ -156,8 +164,36 @@ IOPMUADBController::handleADBInterrupt(IOService *client, UInt8 interruptMask, U
     if (myThis == NULL)
         return;
     
+    if (interruptMask & kPMUenvironmentInt)
+    {
+        if (buffer) 
+        {
+            if (*buffer & kClamshellClosedEventMask)
+                myThis->clamshellOpen = false;
+            else
+                myThis->clamshellOpen = true;
+        }
+        if ( !(interruptMask & kPMUautopoll))
+        {
+            return;   //Nothing left to do
+        }
+    }
     if ((interruptMask & kPMUautopoll) && (myThis->autopollOn))
-        autopollHandler(client, buffer[0], length - 1, buffer + 1); // yes, call adb input handler
+    {
+        if (myThis->clamshellOpen)
+       {
+            autopollHandler(client, buffer[0], length - 1, buffer + 1); // yes, call adb input handler
+       }
+       else if ( (buffer[0] == 0x2c) && (buffer[1] == 0x7f) && (buffer[2] == 0x7f))
+       {
+            autopollHandler(client, buffer[0], length - 1, buffer + 1); // POWER down
+       }
+       else if ( (buffer[0] == 0x2c) && (buffer[1] == 0xff) && (buffer[2] == 0xff))
+       {
+            autopollHandler(client, buffer[0], length - 1, buffer + 1); // POWER up
+       }
+
+    }
     else {
         if (myThis->waitingForData != NULL) {
             // Complets the adb transaction