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/*
* Copyright c Realtek Semiconductor Corporation, 2002
* All rights reserved.
*
* Program : Implementation of Glue Functions of Model Code
* Abstract :
* Author : Louis Yung-Chieh Lo (yjlou@realtek.com.tw)
* $Id: rtl_glue.c,v 1.5 2008/04/11 10:12:38 bo_zhao Exp $
*/
#include <net/rtl/rtl_types.h>
#include <net/rtl/rtl_glue.h>
#if 0
int rtl_down_interruptible(struct semaphore * sem)
{
//return 0;
return down_interruptible(sem);
}
void rtl_up(struct semaphore * sem)
{
up(sem);
}
int32 rtlglue_drvMutexLock(void)
{
#if 0
spinlock_t lockForCC = SPIN_LOCK_UNLOCKED;
int flagsForCC;
int needLock;
spin_lock_irqsave(&lockForCC,flagsForCC);
needLock = (int_cc >= 1)?FALSE:TRUE;
int_cc ++;
if ( needLock == TRUE )
{
uint32 dummy;
saveGimr = READ_MEM32( GIMR );
#if defined (CONFIG_RTK_VOIP_DRIVERS_PCM865xC)
WRITE_MEM32( GIMR, 0x00080000 ); /* Note: DO NOT disable PCM interrupt because users might be already on the phone call at this time
==> Keep PCM interrupt enable for RTK VoIP applications
==> RTL865xC, bit19: PCM_IE
*/
#elif defined (CONFIG_RTK_VOIP_DRIVERS_PCM8651)
WRITE_MEM32( GIMR, 0x00040000 ); /* RTL865xB, bit18: PCM_IE */
#else
WRITE_MEM32( GIMR, 0 );
#endif
/*
For RLX5181, LW/SW for external IPs (ex. GIMR) would be slow because one
CMD queue is implement.
So, we would always read GIMR back before calling <spin_unlock_irqrestore()> to
make sure GIMR has be set before spin-unlock.
*/
dummy = READ_MEM32( GIMR );
}
spin_unlock_irqrestore(&lockForCC, flagsForCC);
#endif
return 0;
}
int32 rtlglue_drvMutexUnlock(void)
{
#if 0
spinlock_t lockForCC = SPIN_LOCK_UNLOCKED;
int flagsForCC;
int needUnlock;
spin_lock_irqsave(&lockForCC,flagsForCC);
int_cc--;
needUnlock = ( int_cc==0 )?TRUE:FALSE;
if ( needUnlock == TRUE )
{
WRITE_MEM32( GIMR, saveGimr );
/*
For RLX5181, LW/SW for external IPs (ex. GIMR) would be slow because one
CMD queue is implement.
So, we would always read GIMR back before calling <spin_unlock_irqrestore()> to
make sure GIMR has be set before spin-unlock.
*/
saveGimr = READ_MEM32( GIMR );
}
spin_unlock_irqrestore(&lockForCC, flagsForCC);
#endif
return 0;
}
#endif
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