iokit/IOKit/rtc/IORTCController.h

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * 24 Nov  1998 suurballe  Created.
  27  */
  28
  29 #include <IOKit/IOService.h>
  30
  31 typedef void (*RTC_tick_handler)( IOService * );
  32
  33
  34 class IORTCController: public IOService
  35 {
  36 OSDeclareAbstractStructors(IORTCController)
  37
  38 public:
  39
  40 virtual IOReturn getRealTimeClock ( UInt8 * currentTime, IOByteCount * length ) = 0;
  41 virtual IOReturn setRealTimeClock ( UInt8 * newTime ) = 0;
  42 };
  43