1 /* 2 * Copyright (c) 1998-2019 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* 29 * 24 Nov 1998 suurballe Created. 30 */ 31 #ifndef _IORTCCONTROLLER_H 32 #define _IORTCCONTROLLER_H 33 34 #include <IOKit/IOService.h> 35 36 typedef void (*RTC_tick_handler)( IOService * ); 37 38 39 class IORTCController : public IOService 40 { 41 OSDeclareAbstractStructors(IORTCController); 42 43 public: 44 45 virtual IOReturn getRealTimeClock( UInt8 * currentTime, IOByteCount * length ) = 0; 46 virtual IOReturn setRealTimeClock( UInt8 * newTime ) = 0; 47 }; 48 49 class IORTC : public IOService 50 { 51 OSDeclareAbstractStructors(IORTC); 52 53 protected: 54 55 /*! @var reserved 56 * Reserved for future use. (Internal use only) */ 57 struct ExpansionData { }; 58 ExpansionData *iortc_reserved __unused; 59 60 public: 61 62 virtual long getGMTTimeOfDay( void ) = 0; 63 virtual void setGMTTimeOfDay( long secs ) = 0; 64 65 virtual void getUTCTimeOfDay( clock_sec_t * secs, clock_nsec_t * nsecs ); 66 virtual void setUTCTimeOfDay( clock_sec_t secs, clock_nsec_t nsecs ); 67 68 virtual void setAlarmEnable( IOOptionBits message ) = 0; 69 70 virtual IOReturn getMonotonicClockOffset( int64_t * usecs ); 71 virtual IOReturn setMonotonicClockOffset( int64_t usecs ); 72 virtual IOReturn getMonotonicClockAndTimestamp( uint64_t * usecs, uint64_t *mach_absolute_time ); 73 74 75 OSMetaClassDeclareReservedUnused(IORTC, 0); 76 OSMetaClassDeclareReservedUnused(IORTC, 1); 77 OSMetaClassDeclareReservedUnused(IORTC, 2); 78 OSMetaClassDeclareReservedUnused(IORTC, 3); 79 OSMetaClassDeclareReservedUnused(IORTC, 4); 80 OSMetaClassDeclareReservedUnused(IORTC, 5); 81 OSMetaClassDeclareReservedUnused(IORTC, 6); 82 OSMetaClassDeclareReservedUnused(IORTC, 7); 83 }; 84 85 #endif /* !_IORTCCONTROLLER_H */ 86