open-ameba/RTL00_SDKV35a/component/os/os_dep/include/osdep_api.h

/******************************************************************************
 *
 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
 *                                        
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 *
 ******************************************************************************/
#ifndef __OSDEP_API_H_
#define __OSDEP_API_H_

#include "os_timer.h"
#include "os_support.h"
#include "semphr.h"

#if 0
/* Structure used to pass parameters to each task. */
typedef struct SEMAPHORE_PARAMETERS
{
	xSemaphoreHandle xSemaphore;
//	volatile unsigned long *pulSharedVariable;
	portTickType xBlockTime;
} xSemaphoreParameters;
#endif

//#define RTW_STATUS_TIMEDOUT -110


#define MAX_SEMA_COUNT                      32	/* the maximum count of a semaphore */

typedef xSemaphoreHandle                    _Sema;
typedef xSemaphoreHandle	            _Mutex;
typedef	u32                                 _Lock;
typedef struct TIMER_LIST                   _Timer;

//typedef unsigned char	                _buffer;

typedef unsigned long           _IRQL;
//typedef	struct net_device *     _nic_hdl;
typedef xTaskHandle             _THREAD_HDL_;
typedef VOID                    THREAD_RETURN;
typedef VOID*                   THREAD_CONTEXT;


#ifndef mdelay
#define mdelay(t)					((t/portTICK_RATE_MS)>0)?(vTaskDelay(t/portTICK_RATE_MS)):(vTaskDelay(1))
#endif

#ifndef udelay
#define udelay(t)					((t/(portTICK_RATE_MS*1000))>0)?vTaskDelay(t/(portTICK_RATE_MS*1000)):(vTaskDelay(1))
#endif

/* to delete/start/stop a timer it will send a message to the timer task through a message queue,
    so we define the max wait time for message sending */
#define RTL_TIMER_API_MAX_BLOCK_TIME    1000    // unit is ms
#define RTL_TIMER_API_MAX_BLOCK_TICKS   (RTL_TIMER_API_MAX_BLOCK_TIME/portTICK_RATE_MS)

typedef VOID
(*RTL_TIMER_CALL_BACK)(
	void    *pContext
);

typedef struct _RTL_TIMER{
#ifdef PLATFORM_FREERTOS
    xTimerHandle        TimerHandle; // the timer handle of created FreeRTOS soft-timer
#endif    
	RTL_TIMER_CALL_BACK	CallBackFunc; // Callback function of this timer
	u32                 msPeriod; // The period of this timer
	void                *Context; // Timer specific context.
	u8                  isPeriodical;   // is a periodical timer
	u8                  TimerName[15];  // the Name of timer
}RTL_TIMER, *PRTL_TIMER;

__inline static VOID 
RtlEnterCritical(VOID)
{
	portENTER_CRITICAL();
}

__inline static VOID 
RtlExitCritical(VOID)
{
	portEXIT_CRITICAL();
}

__inline static VOID 
RtlEnterCriticalBh(
    IN  _Lock *plock, 
    IN  _IRQL *pirqL
)
{
	SpinLockBh(plock);
}

__inline static VOID 
RtlExitCriticalBh(
    IN  _Lock *plock, 
    IN  _IRQL *pirqL
)
{
	SpinUnlockBh(plock);
}
__inline static u32 
RtlEnterCriticalMutex(
    IN  _Mutex *pmutex, 
    IN  _IRQL *pirqL
)
{
	u32 ret = 0;
    xSemaphoreTake(*pmutex, portMAX_DELAY);
	return ret;
}


__inline static VOID 
RtlExitCriticalMutex(
    IN  _Mutex *pmutex,
    IN  _IRQL *pirqL
)
{
    xSemaphoreGive(*pmutex);
}

__inline static VOID 
RtlInitTimer(
    IN  _Timer *ptimer,
    IN  VOID *Data,
    IN  VOID (*pfunc)(VOID *),
    IN  VOID* cntx
)
{
	ptimer->Function = pfunc;
	ptimer->Data = (unsigned long)cntx;
	InitTimer(ptimer);
}

__inline static VOID 
RtlSetTimer(
    IN  _Timer *ptimer,
    IN  u32 delay_time
)
{	
	ModTimer(ptimer , (JIFFIES+(delay_time*RTL_HZ/1000)));	
}

__inline static VOID 
RtlCancelTimer(
    IN  _Timer *ptimer,
    IN  u8 *bcancelled
)
{
	DelTimerSync(ptimer); 	
	*bcancelled=  _TRUE;//TRUE ==1; FALSE==0
}

__inline static u32 
RtlSystime2Ms(
    IN  u32 systime
)
{
	return systime * 1000 / RTL_HZ;
}



__inline static u32 
RtlMs2Systime(
    IN  u32 ms
)
{
	return ms * RTL_HZ / 1000;
}

extern u8*	RtlZmalloc(u32 sz);
extern u8*	RtlMalloc(u32 sz);
extern VOID	RtlMfree(u8 *pbuf, u32 sz);

extern VOID* RtlMalloc2d(u32 h, u32 w, u32 size);
extern VOID	RtlMfree2d(VOID *pbuf, u32 h, u32 w, u32 size);

extern VOID	RtlInitSema(_Sema *sema, u32 init_val);
extern VOID	RtlFreeSema(_Sema	*sema);
extern VOID	RtlUpSema(_Sema	*sema);
extern VOID	RtlUpSemaFromISR(_Sema	*sema);
extern u32	RtlDownSema(_Sema *sema);
extern u32 RtlDownSemaWithTimeout(_Sema *sema, u32 ms);

extern VOID	RtlMutexInit(_Mutex *pmutex);
extern VOID	RtlMutexFree(_Mutex *pmutex);

extern VOID	RtlSpinlockInit(_Lock *plock);
extern VOID	RtlSpinlockFree(_Lock *plock);
extern VOID	RtlSpinlock(_Lock	*plock);
extern VOID	RtlSpinunlock(_Lock	*plock);
extern VOID	RtlSpinlockEx(_Lock	*plock);
extern VOID	RtlSpinunlockEx(_Lock	*plock);

extern VOID	RtlSleepSchedulable(u32 ms);

extern VOID	RtlMsleepOS(u32 ms);
extern VOID	RtlUsleepOS(u32 us);
extern VOID RtlMdelayOS(u32 ms);
extern VOID RtlUdelayOS(u32 us);

//extern VOID	rtw_mdelay_os(u32 ms);
//extern VOID	rtw_udelay_os(u32 us);

//1TODO: Need Check if we need add this api
extern VOID RtlYieldOS(VOID);

#define RtlUpMutex(mutex)		RtlUpSema(mutex)
#define RtlDownMutex(mutex)		RtlDownSema(mutex)

__inline static u8 
RtlCancelTimerEx(
    IN  _Timer *ptimer
)
{
	DelTimerSync(ptimer);
	return 0; 
}


static __inline VOID 
ThreadEnter(
    IN  char *name
)
{
	DBG_8195A("\rRTKTHREAD_enter %s\n", name);
}



#define ThreadExit() do{DBG_8195A("\rRTKTHREAD_exit %s\n", __FUNCTION__);}while(0)

__inline static VOID 
FlushSignalsThread(VOID) 
{
#ifdef PLATFORM_LINUX
	if (signal_pending (current)) 
	{
		flush_signals(current);
	}
#endif
}


#define RTL_RND(sz, r) ((((sz)+((r)-1))/(r))*(r))
#define RTL_RND4(x)	(((x >> 2) + (((x & 3) == 0) ?  0: 1)) << 2)

__inline static u32 
RtlRnd4(
    IN  u32 sz
)
{

	u32	val;

	val = ((sz >> 2) + ((sz & 3) ? 1: 0)) << 2;
	
	return val;

}

__inline static u32 
RtlRnd8(
    IN  u32 sz
)
{

	u32	val;

	val = ((sz >> 3) + ((sz & 7) ? 1: 0)) << 3;
	
	return val;

}

__inline static u32 
RtlRnd128(
    IN  u32 sz
)
{

	u32	val;

	val = ((sz >> 7) + ((sz & 127) ? 1: 0)) << 7;
	
	return val;

}

__inline 
static u32 RtlRnd256(
    IN  u32 sz
)
{

	u32	val;

	val = ((sz >> 8) + ((sz & 255) ? 1: 0)) << 8;
	
	return val;

}

__inline static u32 
RtlRnd512(
    IN  u32 sz
)
{

	u32	val;

	val = ((sz >> 9) + ((sz & 511) ? 1: 0)) << 9;
	
	return val;

}

__inline static u32 
BitShift(
    IN  u32 BitMask
)
{
	u32 i;

	for (i = 0; i <= 31; i++)
		if (((BitMask>>i) &  0x1) == 1) break;

	return i;
}


//#ifdef __GNUC__
#ifdef PLATFORM_LINUX
#define STRUCT_PACKED __attribute__ ((packed))
#else
#define STRUCT_PACKED
#endif






//Atomic integer operations
#define RTL_ATOMIC_T atomic_t



static inline VOID
RTL_ATOMIC_SET(
    IN  RTL_ATOMIC_T *v, 
    IN  u32 i
)
{
	AtomicSet(i,v);
}

static inline uint32_t
RTL_ATOMIC_READ(
    IN  RTL_ATOMIC_T *v
)
{
	return AtomicRead(v);
}

static inline VOID
RTL_ATOMIC_ADD(
    IN  RTL_ATOMIC_T *v, 
    IN  u32 i
)
{
	AtomicAdd(i,v);
}
static inline VOID
RTL_ATOMIC_SUB(
    IN  RTL_ATOMIC_T *v, 
    IN  u32 i
)
{
	AtomicSub(i,v);
}

static inline VOID
RTL_ATOMIC_INC(
    IN  RTL_ATOMIC_T *v
)
{
	AtomicInc(v);
}

static inline VOID
RTL_ATOMIC_DEC(
    IN  RTL_ATOMIC_T *v
)
{
	AtomicDec(v);
}

static inline u32
RTL_ATOMIC_ADD_RETURN(
    IN  RTL_ATOMIC_T *v, 
    IN  u32 i
)
{
	return AtomicAddReturn(i,v);
}

static inline u32
RTL_ATOMIC_SUB_RETURN(
    IN  RTL_ATOMIC_T *v, 
    IN  u32 i
)
{
	return AtomicSubReturn(i,v);
}

static inline u32
RTL_ATOMIC_INC_RETURN(
    IN  RTL_ATOMIC_T *v
)
{
	return AtomicIncReturn(v);
}

static inline u32
RTL_ATOMIC_DEC_RETURN(
    IN  RTL_ATOMIC_T *v
)
{
	return AtomicDecReturn(v);
}




extern u64 RtlModular64(u64 x, u64 y);


/* Macros for handling unaligned memory accesses */
#if 0
#define RTW_GET_BE16(a) ((u16) (((a)[0] << 8) | (a)[1]))
#define RTW_PUT_BE16(a, val)			\
	do {					\
		(a)[0] = ((u16) (val)) >> 8;	\
		(a)[1] = ((u16) (val)) & 0xff;	\
	} while (0)

#define RTW_GET_LE16(a) ((u16) (((a)[1] << 8) | (a)[0]))
#define RTW_PUT_LE16(a, val)			\
	do {					\
		(a)[1] = ((u16) (val)) >> 8;	\
		(a)[0] = ((u16) (val)) & 0xff;	\
	} while (0)

#define RTW_GET_BE24(a) ((((u32) (a)[0]) << 16) | (((u32) (a)[1]) << 8) | \
			 ((u32) (a)[2]))			 
#define RTW_PUT_BE24(a, val)					\
	do {							\
		(a)[0] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
		(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
		(a)[2] = (u8) (((u32) (val)) & 0xff);		\
	} while (0)

#define RTW_GET_BE32(a) ((((u32) (a)[0]) << 24) | (((u32) (a)[1]) << 16) | \
			 (((u32) (a)[2]) << 8) | ((u32) (a)[3]))			 
#define RTW_PUT_BE32(a, val)					\
	do {							\
		(a)[0] = (u8) ((((u32) (val)) >> 24) & 0xff);	\
		(a)[1] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
		(a)[2] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
		(a)[3] = (u8) (((u32) (val)) & 0xff);		\
	} while (0)

#define RTW_GET_LE32(a) ((((u32) (a)[3]) << 24) | (((u32) (a)[2]) << 16) | \
			 (((u32) (a)[1]) << 8) | ((u32) (a)[0]))			 
#define RTW_PUT_LE32(a, val)					\
	do {							\
		(a)[3] = (u8) ((((u32) (val)) >> 24) & 0xff);	\
		(a)[2] = (u8) ((((u32) (val)) >> 16) & 0xff);	\
		(a)[1] = (u8) ((((u32) (val)) >> 8) & 0xff);	\
		(a)[0] = (u8) (((u32) (val)) & 0xff);		\
	} while (0)

#define RTW_GET_BE64(a) ((((u64) (a)[0]) << 56) | (((u64) (a)[1]) << 48) | \
			 (((u64) (a)[2]) << 40) | (((u64) (a)[3]) << 32) | \
			 (((u64) (a)[4]) << 24) | (((u64) (a)[5]) << 16) | \
			 (((u64) (a)[6]) << 8) | ((u64) (a)[7]))			 
#define RTW_PUT_BE64(a, val)				\
	do {						\
		(a)[0] = (u8) (((u64) (val)) >> 56);	\
		(a)[1] = (u8) (((u64) (val)) >> 48);	\
		(a)[2] = (u8) (((u64) (val)) >> 40);	\
		(a)[3] = (u8) (((u64) (val)) >> 32);	\
		(a)[4] = (u8) (((u64) (val)) >> 24);	\
		(a)[5] = (u8) (((u64) (val)) >> 16);	\
		(a)[6] = (u8) (((u64) (val)) >> 8);	\
		(a)[7] = (u8) (((u64) (val)) & 0xff);	\
	} while (0)

#define RTW_GET_LE64(a) ((((u64) (a)[7]) << 56) | (((u64) (a)[6]) << 48) | \
			 (((u64) (a)[5]) << 40) | (((u64) (a)[4]) << 32) | \
			 (((u64) (a)[3]) << 24) | (((u64) (a)[2]) << 16) | \
			 (((u64) (a)[1]) << 8) | ((u64) (a)[0]))
#endif

extern PRTL_TIMER
RtlTimerCreate(
    IN char *pTimerName,
    IN u32 TimerPeriodMS,
    IN RTL_TIMER_CALL_BACK CallbckFunc,
    IN void *pContext,
    IN u8 isPeriodical
);

extern VOID
RtlTimerDelete(
    IN PRTL_TIMER pTimerHdl
);

extern u8
RtlTimerStart(
    IN PRTL_TIMER pTimerHdl,
    IN u8 isFromISR
);

extern u8
RtlTimerStop(
    IN PRTL_TIMER pTimerHdl,
    IN u8 isFromISR
);

extern u8
RtlTimerReset(
    IN PRTL_TIMER pTimerHdl,
    IN u8 isFromISR
);

extern u8
RtlTimerChangePeriod(
    IN PRTL_TIMER pTimerHdl,
    IN u32 NewPeriodMS,
    IN u8 isFromISR
);

#endif	//#ifndef __OSDEP_API_H_