iokit/Drivers/hidsystem/drvAppleADBDevices/AppleADBButtons.h

   1 #ifndef _APPLEADBBUTTONS_H
   2 #define _APPLEADBBUTTONS_H
   3
   4 /*
   5  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   6  *
   7  * @APPLE_LICENSE_HEADER_START@
   8  *
   9  * The contents of this file constitute Original Code as defined in and
  10  * are subject to the Apple Public Source License Version 1.1 (the
  11  * "License").  You may not use this file except in compliance with the
  12  * License.  Please obtain a copy of the License at
  13  * http://www.apple.com/publicsource and read it before using this file.
  14  *
  15  * This Original Code and all software distributed under the License are
  16  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  20  * License for the specific language governing rights and limitations
  21  * under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 #include <IOKit/hidsystem/IOHIKeyboard.h>
  27 #include <IOKit/adb/IOADBDevice.h>
  28
  29 #define kVolume_up      0x06
  30 #define kVolume_down    0x07
  31 #define kMute           0x08
  32 #define kVolume_up_AV   0x03  //Apple ADB AV monitors have different button codes
  33 #define kVolume_down_AV 0x02
  34 #define kMute_AV        0x01
  35 #define kBrightness_up  0x09
  36 #define kBrightness_down        0x0a
  37 #define kEject          0x0b
  38 #define kNum_lock_on_laptops    0x7f
  39
  40 #define kMax_registrations 10
  41 #define kMax_keycode    0x0a
  42 #define kNullKey        0xFF
  43
  44 typedef void (*button_handler)(void * );
  45
  46 class AppleADBButtons :  public IOHIKeyboard
  47 {
  48     OSDeclareDefaultStructors(AppleADBButtons)
  49
  50 private:
  51
  52     unsigned int        keycodes[kMax_registrations];
  53     void *              registrants[kMax_registrations];
  54     button_handler      downHandlers[kMax_registrations];
  55
  56     void dispatchButtonEvent (unsigned int, bool );
  57     UInt32              _initial_handler_id;
  58
  59 public:
  60
  61     const unsigned char * defaultKeymapOfLength (UInt32 * length );
  62     UInt32 interfaceID();
  63     UInt32 deviceType();
  64     UInt64 getGUID();
  65
  66 public:
  67
  68      IOService * displayManager;                        // points to display manager
  69     IOADBDevice *       adbDevice;
  70
  71     bool start ( IOService * theNub );
  72     IOReturn packet (UInt8 * data, IOByteCount length, UInt8 adbCommand );
  73     IOReturn registerForButton ( unsigned int, IOService *, button_handler, bool );
  74
  75     IOReturn setParamProperties(OSDictionary *dict);
  76 };
  77
  78 #endif /* _APPLEADBBUTTONS_H */