/*
@ Function:
* clear the data beyond the specified memory bound of the memory pool
*
@ Agruments:
* preserved size of memory (unsigned long long)
*
@ Return:
* NULL
*
@ Basic Algorithm:
* reset to be "0" within the specified bound of memory
* free the memory blocks beyond the bound
*/
void MemPool::Clear( ull_t ullPreservedSize ) {
/* always preserve the first block in memory pool */
ull_t ullCurSz = mpstMemBlocks[0]->ullMemSize;
ClearMemBlock( mpstMemBlocks[0] );
ull_t ullIdx = 1;
/* continue to clear memory block until the size of clean memory is not less than that requested */
while( ullIdx < ullMemBlockRightIndex && ullCurSz < ullPreservedSize ) {
MemBlock* stMemBlock = mpstMemBlocks[ullIdx];
ullCurSz += stMemBlock->ullMemSize;
ClearMemBlock( stMemBlock );
++ullIdx;
}
/* free all the left memory blocks */
for( int i=(int)ullIdx; i < ullMemBlockRightIndex; i++ ) {
delete[] (unsigned char*)(mpstMemBlocks[i]->vdMem);
delete mpstMemBlocks[i];
}
/* update using status of the memory pool */
ullMemBlockNum = ullIdx;
ullMemTotalSize = ullCurSz;
ullMemUsedSize = 0;
ullMemBlockLeftIndex = 0;
ullMemBlockRightIndex = ullIdx;
}
static int mtk_pcm_dl1_stop(struct snd_pcm_substream *substream)
{
printk("%s \n", __func__);
SetIrqEnable(Soc_Aud_IRQ_MCU_MODE_IRQ1_MCU_MODE, false);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL1, false);
// here start digital part
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I05, Soc_Aud_InterConnectionOutput_O03);
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I06, Soc_Aud_InterConnectionOutput_O04);
ClearMemBlock(Soc_Aud_Digital_Block_MEM_DL1);
return 0;
}
static int mtk_pcm_dl2_stop(struct snd_pcm_substream *substream)
{
pr_warn("%s\n", __func__);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL2, false);
SetIrqMcuCounter(Soc_Aud_IRQ_MCU_MODE_IRQ1_MCU_MODE, 0);
SetIrqEnable(Soc_Aud_IRQ_MCU_MODE_IRQ1_MCU_MODE, false);
/* here start digital part */
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I07,
Soc_Aud_InterConnectionOutput_O03);
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I08,
Soc_Aud_InterConnectionOutput_O04);
ClearMemBlock(Soc_Aud_Digital_Block_MEM_DL2);
return 0;
}
static int mtk_pcm_I2S0dl1_stop(struct snd_pcm_substream *substream)
{
AFE_BLOCK_T *Afe_Block = &(pI2S0dl1MemControl->rBlock);
pr_debug("%s \n", __func__);
SetIrqEnable(Soc_Aud_IRQ_MCU_MODE_IRQ1_MCU_MODE, false);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL1, false);
// here start digital part
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I05, Soc_Aud_InterConnectionOutput_O00);
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I06, Soc_Aud_InterConnectionOutput_O01);
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I05, Soc_Aud_InterConnectionOutput_O03);
SetConnection(Soc_Aud_InterCon_DisConnect, Soc_Aud_InterConnectionInput_I06, Soc_Aud_InterConnectionOutput_O04);
ClearMemBlock(Soc_Aud_Digital_Block_MEM_DL1);
return 0;
}
