static void __ARQServiceQueueLo()
{
ARQRequest *req;
if(!__ARQReqPendingLo) {
req = (ARQRequest*)__lwp_queue_getI(&__ARQReqQueueLo);
__ARQReqPendingLo = req;
}
req = __ARQReqPendingLo;
if(req) {
req->state = ARQ_TASK_RUNNING;
#ifdef _ARQ_DEBUG
printf("__ARQServiceQueueLo(%02x,%08x,%08x,%d,%d)\n",req->dir,req->aram_addr,req->mram_addr,req->len,__ARQChunkSize);
#endif
if(req->len<=__ARQChunkSize) {
AR_StartDMA(req->dir,req->mram_addr,req->aram_addr,req->len);
__ARQCallbackLo = __ARQReqPendingLo->callback;
} else {
AR_StartDMA(req->dir,req->mram_addr,req->aram_addr,__ARQChunkSize);
__ARQReqPendingLo->len -= __ARQChunkSize;
__ARQReqPendingLo->aram_addr += __ARQChunkSize;
__ARQReqPendingLo->mram_addr += __ARQChunkSize;
}
}
}
/**
* ARAMFetch
*
* This function will move data from ARAM to MAIN memory
*/
void
ARAMFetch (char *dst, char *src, int len)
{
DCInvalidateRange(dst, len);
AR_StartDMA( ARAM_READ, (u32) dst, (u32) src, len);
while (AR_GetDMAStatus());
}
/****************************************************************************
* ARAMPut
*
* Move data from MAIN memory to ARAM
***************************************************************************/
void
ARAMPut (char *src, char *dst, int len)
{
DCFlushRange (src, len);
AR_StartDMA (ARAM_WRITE, (u32) src, (u32) dst, len);
while (AR_GetDMAStatus());
}
void ARQ_PostRequestAsync(ARQRequest *req,u32 owner,u32 dir,u32 prio,u32 aram_addr,u32 mram_addr,u32 len,ARQCallback cb)
{
u32 level;
ARQRequest *p;
req->state = ARQ_TASK_READY;
req->dir = dir;
req->owner = owner;
req->aram_addr = aram_addr;
req->mram_addr = mram_addr;
req->len = len;
req->prio = prio;
req->callback = (cb==NULL) ? __ARQCallbackDummy : cb;
_CPU_ISR_Disable(level);
if(prio==ARQ_PRIO_LO) __lwp_queue_appendI(&__ARQReqQueueLo,&req->node);
else __lwp_queue_appendI(&__ARQReqQueueHi,&req->node);
if(!__ARQReqPendingLo && !__ARQReqPendingHi) {
p = (ARQRequest*)__lwp_queue_getI(&__ARQReqQueueHi);
if(p) {
p->state = ARQ_TASK_RUNNING;
#ifdef _ARQ_DEBUG
printf("ARQ_PostRequest(%02x,%08x,%08x,%d)\n",p->dir,p->aram_addr,p->mram_addr,p->len);
#endif
AR_StartDMA(p->dir,p->mram_addr,p->aram_addr,p->len);
__ARQCallbackHi = p->callback;
__ARQReqPendingHi = p;
}
if(!__ARQReqPendingHi) __ARQServiceQueueLo();
}
_CPU_ISR_Restore(level);
}
static __inline__ void __ARQPopTaskQueueHi()
{
ARQRequest *req;
req = (ARQRequest*)__lwp_queue_getI(&__ARQReqQueueHi);
if(!req) return;
req->state = ARQ_TASK_RUNNING;
#ifdef _ARQ_DEBUG
printf("__ARQPopTaskQueueHi(%02x,%08x,%08x,%d)\n",req->dir,req->aram_addr,req->mram_addr,req->len);
#endif
AR_StartDMA(req->dir,req->mram_addr,req->aram_addr,req->len);
__ARQCallbackHi = req->callback;
__ARQReqPendingHi = req;
}
// Write Wrapper
void write_aram(char *src, char *dst, int len)
{
AR_StartDMA(ARAM_Write, (u32)src, (u32)dst, len);
DCFlushRange(src, len);
while (AR_GetDMAStatus());
}