/**********************************************************************************
 * mk_timer.h                                                                         
 * coded by hspark@ce.cnu.ac.kr
 * date : 2002/06/23
 **********************************************************************************/

#ifndef __MK_TIMER_H__
#define __MK_TIMER_H__

#include "kernel\\mk_sys.h"
#include "kernel\\mk_ddi.h"

#define	MK_TIMER_MAGIC	0xF3CD03E9L		/* Magic Value of Timer */
#define MK_TIMER_DISABLE		0
#define MK_TIMER_ENABLE		1

typedef void(*MK_TIMER_FUNC_T)(ULONG);
#pragma packed on
typedef struct mk_timer_struct {
	ULONG	tm_Magic;
	LONG	tm_Expirations;		//number of expiration
	ULONG	tm_InitialTime;		//initial time of timer
	ULONG	tm_ExpireTime;		//time to expire
	ULONG	tm_RepeateTime;		//repeate time of timer
	LONG	tm_Arg1;
	char	*tm_Arg2;
	CHAR	*tm_pName;
	MK_TIMER_FUNC_T	tm_Function;
	BOOLEAN	tm_Status;
	struct	mk_timer_struct *tm_pActivedNext;
	struct	mk_timer_struct *tm_pActivedPrev;
	struct	mk_timer_struct *tm_pNext;
	struct	mk_timer_struct *tm_pPrev;
} MK_TIMER;
#pragma packed off

extern MK_TIMER *MK_pTimerActiveListHead;
extern MK_TIMER *MK_pTimerListHead;
extern MK_TIMER *MK_pTimerListTail;

void MK_SystemTimerInitialize(void);
STATUS MK_CreateTimer(MK_TIMER *pTimer, CHAR *pName, MK_TIMER_FUNC_T Function, INT Arg1, CHAR *Arg2, 
			   ULONG InitialTime, ULONG RepeateTime, BOOLEAN Enable);
ULONG MK_GetTimerRepeateTime(MK_TIMER *pTimer);
ULONG MK_SetTimerRepeateTime(MK_TIMER *pTimer, ULONG NewTime);
BOOLEAN MK_GetTimerStatus(MK_TIMER *pTimer);
STATUS MK_ControlTimer(MK_TIMER *pTimer, BOOLEAN Enable);
STATUS MK_DeleteTimer(MK_TIMER *pTimer);
STATUS MK_GetRemainingTime( MK_TIMER *pTimer, ULONG *remainTime);
STATUS MK_ResetTimer(MK_TIMER *pTimer, void(*timer_entry)(ULONG), 
					 ULONG InitialTime, ULONG RepeatTime, BOOLEAN Enable);
ULONG MK_GetSystemClock(void);
void MK_SetSystemClock(ULONG newTicks);

STATUS MK_TimerInformation(struct mk_ddi_struct *pDDI);

VOID MK_TimeTick(INT id);
VOID MK_Timer0Initialize(VOID);

#endif /* __MK_TIMER_H__ */