/*
* ======== SWOSD_TI_initResources ========
*/
static IRES_Status SWOSD_TI_initResources(IALG_Handle h,
IRES_ResourceDescriptor *desc, IRES_YieldFxn yieldFxn,
IRES_YieldArgs yieldArgs)
{
SWOSD_TI_Obj *alg = (SWOSD_TI_Obj *)h;
SWOSD_DMAObj *dmaHandle = (SWOSD_DMAObj *)&alg->dmaHandle;
UInt8 i;
ECPY_init();
/*
* Resource manager has returned a resource handle. Save it in the
* algorithm's instance object
*/
for(i = 0; i < SWOSD_DMA_CH_MAX; i++)
{
IRES_EDMA3CHAN2_Handle edma3Handle = (IRES_EDMA3CHAN2_Handle) desc[i].handle;
alg->edmaHandle[i] = edma3Handle;
alg->ecpyHandle[i] = ECPY_createHandle(edma3Handle, h);
dmaHandle->edma3ResourceHandles[i] = edma3Handle;
/* Initialize EDMA resource structures for H264VDEC_DMAOpen() call */
dmaHandle->edma_params_array[i] = (UInt32 *) edma3Handle->assignedPaRamAddresses[0];
dmaHandle->edma_tcc_array[i] = edma3Handle->assignedTccIndices[0];
dmaHandle->edma_phy_to_lgl_map[i] = edma3Handle->assignedEdmaChannelIndex;
}
dmaHandle->num_edma_channels = SWOSD_DMA_CH_MAX;
dmaHandle->channel_mask_low = 0;
dmaHandle->channel_mask_high = 0;
return (IRES_OK);
}
/*********************************************************************************
* FUNCTION PURPOSE: Allocate EdmaMgr handle
*********************************************************************************
DESCRIPTION: This function allocates an EDMA channel
Parameters : Inputs: max_linked_transfer : maximum number of linked
transfers required for the
channel.
Output: Valid EdmaMgr handle on success;
NULL handle if there is an error.
*********************************************************************************/
EdmaMgr_Handle EdmaMgr_alloc(int32_t max_linked_transfers)
{
IRES_ResourceDescriptor resDesc;
IRES_Status ires_status;
int32_t scratchId = -1;
int32_t i;
/* Find free channel */
for (i = 0; i < EDMA_MGR_MAX_NUM_CHANNELS; i++)
if (EdmaMgr_channels[i].edmaArgs.numPaRams == 0)
break;
if (i >= EDMA_MGR_MAX_NUM_CHANNELS)
return ((EdmaMgr_Handle)NULL);
EdmaMgr_channels[i].edmaArgs.numPaRams = max_linked_transfers;
/* Prepare IRES resource descriptor */
resDesc.resourceName = IRES_EDMA3CHAN_PROTOCOLNAME;
resDesc.revision = &_iresEDMA3ChanRevision;
resDesc.protocolArgs = (IRES_ProtocolArgs *)&(EdmaMgr_channels[i].edmaArgs);
resDesc.handle = (IRES_Handle)EdmaMgr_channels[i].edmaHandle;
/* Allocate EDMA Resources */
ires_status =
RMAN_allocateResources((Int)EdmaMgr_channels, &resDesc, 1,
scratchId);
if (ires_status != IRES_OK) {
EdmaMgr_channels[i].edmaArgs.numPaRams = 0;
return ((EdmaMgr_Handle)NULL);
}
EdmaMgr_channels[i].edmaHandle = (IRES_EDMA3CHAN_Handle) resDesc.handle;
/* Create ECPY handle */
EdmaMgr_channels[i].ecpyHandle =
ECPY_createHandle((IRES_EDMA3CHAN2_Handle)resDesc.handle,
(IALG_Handle)&EdmaMgr_channels[i]);
if (EdmaMgr_channels[i].ecpyHandle == NULL) {
RMAN_freeAllocatedResources((Int)EdmaMgr_channels, &resDesc, 1,
scratchId);
EdmaMgr_channels[i].edmaHandle = NULL;
EdmaMgr_channels[i].edmaArgs.numPaRams = 0;
return ((EdmaMgr_Handle)NULL);
}
EdmaMgr_channels[i].xferPending = FALSE;
/* HW assign */
ECPY_activate(EdmaMgr_channels[i].ecpyHandle);
ECPY_setEarlyCompletionMode(EdmaMgr_channels[i].ecpyHandle, FALSE);
return ((EdmaMgr_Handle)&EdmaMgr_channels[i]);
}
