// ==========================================================================
//
// Function Name: ConfigDMA
//
// Description: Configure DMA channel
//
// =========================================================================
static Result_t ConfigDMA (
UInt32 channel,
UInt8 *start,
UInt32 numBlocks,
UInt32 blockSize,
OSDAL_DMA_CLIENT dstClient,
OSDAL_DMA_DWIDTH dataWidth,
OSDAL_DMA_CALLBACK dmaCB)
{
OSDAL_Dma_Data dmaData;
OSDAL_Dma_Buffer_List *cirBufList;
OSDAL_Dma_Chan_Info chanInfo;
UInt32 i=0;
UInt8 *currPos=NULL;
UInt8 *dstAddr=NULL;
// Configure DMA channel
//chanInfo.chanNumber = channel;
//chanInfo.prot = 0;
//chanInfo.srcID = OSDAL_DMA_CLIENT_MEMORY;
//chanInfo.dstID = dstClient;
chanInfo.type = OSDAL_DMA_FCTRL_MEM_TO_PERI;//_CTRL_PERI; // need to double check.
chanInfo.srcBstSize = OSDAL_DMA_BURST_SIZE_64; // audio fifo spec
chanInfo.dstBstSize = OSDAL_DMA_BURST_SIZE_64;
chanInfo.srcDataWidth = dataWidth;
chanInfo.dstDataWidth = dataWidth;
chanInfo.incMode = OSDAL_DMA_INC_MODE_SRC; // mode_src
chanInfo.xferCompleteCb = dmaCB;
chanInfo.freeChan = FALSE;
chanInfo.bCircular = TRUE;
if(OSDAL_DMA_Config_Channel(channel, &chanInfo) != OSDAL_ERR_OK)
{
Log_DebugPrintf(LOGID_SOC_AUDIO, "ConfigDMA:: Error, Configure channel failed.\n");
return RESULT_ERROR;
}
switch (dstClient)
{
case OSDAL_DMA_CLIENT_AUDIO_OUT_FIFO:
dstAddr = (UInt8 *) chal_audioaopath_getAFIFO_addr( NULL );
break;
case OSDAL_DMA_CLIENT_POLYRING_OUT_FIFO:
dstAddr = (UInt8 *) chal_audiopopath_getPFIFO_addr( NULL );
break;
default:
Log_DebugPrintf(LOGID_SOC_AUDIO, "ConfigDMA:: Error, Wrong destination client, dstClient = 0x%x.\n", dstClient);
break;
}
cirBufList = (OSDAL_Dma_Buffer_List *)OSDAL_ALLOCHEAPMEM(numBlocks * sizeof(OSDAL_Dma_Buffer_List));
currPos = start;
for (i = 0; i < numBlocks; i++)
{
cirBufList[i].buffers[0].srcAddr = (UInt32)currPos;
cirBufList[i].buffers[0].destAddr = (UInt32)dstAddr;
cirBufList[i].buffers[0].length = blockSize;
cirBufList[i].buffers[0].bRepeat = 0;
cirBufList[i].buffers[0].interrupt = 1;
currPos += blockSize;
}
dmaData.numBuffer = numBlocks;
dmaData.pBufList = (OSDAL_Dma_Buffer_List *)cirBufList;
if(OSDAL_DMA_Bind_Data(channel, &dmaData) != OSDAL_ERR_OK)
{
Log_DebugPrintf(LOGID_SOC_AUDIO, "ConfigDMA:: Error, Add buffer failed.\n");
return RESULT_ERROR;
}
OSDAL_FREEHEAPMEM (cirBufList);
return RESULT_OK;
}
// ==========================================================================
//
// Function Name: ConfigDMA
//
// Description: Configure DMA channel
//
// =========================================================================
static Result_t ConfigDMA(
UInt32 channel,
UInt8 *start,
UInt32 numBlocks,
UInt32 blockSize,
OSDAL_DMA_CLIENT srcClient,
OSDAL_DMA_DWIDTH dataWidth,
OSDAL_DMA_CALLBACK dmaCB)
{
OSDAL_Dma_Data dmaData;
OSDAL_Dma_Buffer_List *cirBufList;
OSDAL_Dma_Chan_Info chanInfo;
UInt32 i=0;
UInt8 *currPos = 0;
UInt8 *srcAddr = 0;
Log_DebugPrintf(LOGID_AUDIO, "ConfigDMA:: channel: 0x%x, numBlocks = 0x%x, blockSize = 0x%x\n", channel, numBlocks, blockSize);
// Configure DMA channel
//chanInfo.chanNumber = channel;
//chanInfo.prot = 0;
//chanInfo.srcID = srcClient;
//chanInfo.dstID = DMA_CLIENT_MEMORY;
chanInfo.type = OSDAL_DMA_FCTRL_PERI_TO_MEM;
/* [email protected] 2012.07.03 begin */
//DMA issue:obtain semaphore timeout
//CSP#523614
chanInfo.srcBstSize = OSDAL_DMA_BURST_SIZE_16; // audio fifo spec
chanInfo.dstBstSize = OSDAL_DMA_BURST_SIZE_16;
/* [email protected] 2012.07.03 end */
chanInfo.srcDataWidth = dataWidth;
chanInfo.dstDataWidth = dataWidth;
chanInfo.srcMaster = 0;
chanInfo.dstMaster = 0;
chanInfo.incMode = OSDAL_DMA_INC_MODE_DST; // mode_dst
chanInfo.xferCompleteCb = dmaCB;
chanInfo.freeChan = FALSE;
chanInfo.bCircular = TRUE;
if(OSDAL_DMA_Config_Channel(channel, &chanInfo) != OSDAL_ERR_OK)
{
Log_DebugPrintf(LOGID_AUDIO, "ConfigDMA:: Error, Configure channel failed.\n");
return RESULT_ERROR;
}
switch (srcClient)
{
case OSDAL_DMA_CLIENT_AUDIO_IN_FIFO:
srcAddr = (UInt8 *) chal_audioaipath_getAFIFO_addr( NULL );
break;
case OSDAL_DMA_CLIENT_AUDIO_WB_MIXERTAP:
srcAddr = (UInt8 *) chal_audiomixertap_getAFIFO_addr( NULL );
break;
default:
Log_DebugPrintf(LOGID_AUDIO, "ConfigDMA:: Error, Wrong source client, srcClient = 0x%x.\n", srcClient);
break;
}
cirBufList = (OSDAL_Dma_Buffer_List *)OSDAL_ALLOCHEAPMEM(numBlocks * sizeof(OSDAL_Dma_Buffer_List));
currPos = start;
for (i = 0; i < numBlocks; i++)
{
cirBufList[i].buffers[0].srcAddr = (UInt32)srcAddr;
cirBufList[i].buffers[0].destAddr = (UInt32)currPos;
cirBufList[i].buffers[0].length = blockSize;
cirBufList[i].buffers[0].bRepeat = 0;
cirBufList[i].buffers[0].interrupt = 1;
currPos += blockSize;
}
dmaData.numBuffer = numBlocks;
dmaData.pBufList = (OSDAL_Dma_Buffer_List *)cirBufList;
if(OSDAL_DMA_Bind_Data(channel, &dmaData) != OSDAL_ERR_OK)
{
Log_DebugPrintf(LOGID_AUDIO, "ConfigDMA:: Error, Add buffer failed.\n");
return RESULT_ERROR;
}
OSDAL_FREEHEAPMEM (cirBufList);
return RESULT_OK;
}
