/*********************************************************************************
* FUNCTION PURPOSE: Free EdmaMgr handle
*********************************************************************************
DESCRIPTION: This function frees an EDMA channel
Parameters : Inputs: h : EdmaMgr handle
Output: EdmaMgr_SUCCESS if free is successful;
Error code otherwise.
*********************************************************************************/
int32_t EdmaMgr_free(EdmaMgr_Handle h)
{
EdmaMgr_Channel *chan = (EdmaMgr_Channel *)h;
IRES_ResourceDescriptor resDesc;
IRES_Status ires_status;
int32_t scratchId = -1;
int32_t i, ret_val = EdmaMgr_SUCCESS;
/* Make sure all transfers have completed */
EdmaMgr_wait(h);
/* While loop for freeing chained channels. */
while ( chan != NULL ) {
EdmaMgr_Channel *chainedChan = chan->chainedChannel;
/* Verify that this is a valid handle? */
for (i = 0; i < EDMA_MGR_MAX_NUM_CHANNELS; i++)
if (chan == &EdmaMgr_channels[i])
break;
if (i >= EDMA_MGR_MAX_NUM_CHANNELS)
return EdmaMgr_ERROR_INVHANDLE;
/* Prepare IRES resource descriptor */
resDesc.resourceName = IRES_EDMA3CHAN_PROTOCOLNAME;
resDesc.revision = &_iresEDMA3ChanRevision;
resDesc.protocolArgs = (IRES_ProtocolArgs *)&(chan->edmaArgs);
resDesc.handle = (IRES_Handle)chan->edmaHandle;
ECPY_deleteHandle(chan->ecpyHandle);
ires_status =
RMAN_freeAllocatedResources((Int)EdmaMgr_channels, &resDesc, 1,
scratchId);
if (ires_status != IRES_OK) {
ret_val = EdmaMgr_ERROR_FREE;
}
chan->ecpyHandle = NULL;
chan->edmaHandle = NULL;
chan->xferPending = FALSE;
chan->edmaArgs.numPaRams = 0;
chan->chainedChannel = NULL;
if ( chan->addrTable.base ) {
chan->addrTable.base = NULL;
chan->addrTable.size = 0;
}
chan = chainedChan;
}
return ret_val;
}
/*
* ======== SWOSD_TI_deInitResources ========
*/
static IRES_Status SWOSD_TI_deInitResources(IALG_Handle h,
IRES_ResourceDescriptor *desc)
{
SWOSD_TI_Obj *alg = (SWOSD_TI_Obj *)h;
UInt8 i;
for(i = 0; i < SWOSD_DMA_CH_MAX; i++)
{
if (desc[i].handle == (IRES_Handle)alg->edmaHandle[i]) {
ECPY_deleteHandle(alg->ecpyHandle[i]);
ECPY_exit();
alg->ecpyHandle[i] = NULL;
alg->edmaHandle[i] = NULL;
}
}
return (IRES_OK);
}
