Exemplos de Auddrv_Dl1_Spinlock_unlock em C++ (Cpp)

Exemplo n.º 1

Arquivo: mt_soc_pcm_dl1_i2s0Dl1.c Projeto: gy15617/m463

static snd_pcm_uframes_t mtk_pcm_I2S0dl1_pointer(struct snd_pcm_substream *substream)
{
    kal_int32 HW_memory_index = 0;
    kal_int32 HW_Cur_ReadIdx = 0;
    kal_uint32 Frameidx = 0;
    kal_int32 Afe_consumed_bytes = 0;
    AFE_BLOCK_T *Afe_Block = &pI2S0dl1MemControl->rBlock;
    //unsigned int flags;
    //struct snd_pcm_runtime *runtime = substream->runtime;

    Auddrv_Dl1_Spinlock_lock();
    PRINTK_AUD_DL1(" %s Afe_Block->u4DMAReadIdx = 0x%x\n", __func__, Afe_Block->u4DMAReadIdx);

    // get total bytes to copy
    //Frameidx = audio_bytes_to_frame(substream , Afe_Block->u4DMAReadIdx);
    //return Frameidx;

    if (GetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL1) == true)
    {
        HW_Cur_ReadIdx = Afe_Get_Reg(AFE_DL1_CUR);
        if (HW_Cur_ReadIdx == 0)
        {
            PRINTK_AUDDRV("[Auddrv] HW_Cur_ReadIdx ==0 \n");
            HW_Cur_ReadIdx = Afe_Block->pucPhysBufAddr;
        }

        HW_memory_index = (HW_Cur_ReadIdx - Afe_Block->pucPhysBufAddr);
        if (HW_memory_index >=  Afe_Block->u4DMAReadIdx)
        {
            Afe_consumed_bytes = HW_memory_index - Afe_Block->u4DMAReadIdx;
        }
        else
        {
            Afe_consumed_bytes = Afe_Block->u4BufferSize + HW_memory_index - Afe_Block->u4DMAReadIdx ;
        }

        Afe_consumed_bytes = Align64ByteSize(Afe_consumed_bytes);

        Afe_Block->u4DataRemained -= Afe_consumed_bytes;
        Afe_Block->u4DMAReadIdx += Afe_consumed_bytes;
        Afe_Block->u4DMAReadIdx %= Afe_Block->u4BufferSize;
        PRINTK_AUD_DL1("[Auddrv] HW_Cur_ReadIdx =0x%x HW_memory_index = 0x%x Afe_consumed_bytes  = 0x%x\n", HW_Cur_ReadIdx, HW_memory_index, Afe_consumed_bytes);
        Auddrv_Dl1_Spinlock_unlock();

        return audio_bytes_to_frame(substream , Afe_Block->u4DMAReadIdx);
    }
    else
    {
        Frameidx = audio_bytes_to_frame(substream , Afe_Block->u4DMAReadIdx);
        Auddrv_Dl1_Spinlock_unlock();
        return Frameidx;
    }

}

Exemplo n.º 2

Arquivo: mt_soc_pcm_fmtx.c Projeto: 4Fwolf/signal75-kernel-3.10.61

static snd_pcm_uframes_t mtk_pcm_fmtx_pointer(struct snd_pcm_substream *substream)
{
    kal_int32 HW_memory_index = 0;
    kal_int32 HW_Cur_ReadIdx = 0;
    kal_uint32 Frameidx = 0;
    kal_int32 Afe_consumed_bytes = 0;

    AFE_BLOCK_T *Afe_Block = &pMemControl->rBlock;
    PRINTK_AUD_FMTX("[mtk_pcm_fmtx_pointer] Afe_Block->u4DMAReadIdx = 0x%x\n", Afe_Block->u4DMAReadIdx);

    Auddrv_Dl1_Spinlock_lock();

    if (GetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL1) == true)
    {
        HW_Cur_ReadIdx = Afe_Get_Reg(AFE_DL1_CUR);
        if (HW_Cur_ReadIdx == 0)
        {
            PRINTK_AUD_FMTX("[Auddrv] HW_Cur_ReadIdx ==0 \n");
            HW_Cur_ReadIdx = Afe_Block->pucPhysBufAddr;
        }
        HW_memory_index = (HW_Cur_ReadIdx - Afe_Block->pucPhysBufAddr);
        if (HW_memory_index >=  Afe_Block->u4DMAReadIdx)
        {
            Afe_consumed_bytes = HW_memory_index - Afe_Block->u4DMAReadIdx;
        }
        else
        {
            Afe_consumed_bytes = Afe_Block->u4BufferSize + HW_memory_index - Afe_Block->u4DMAReadIdx ;
        }

        Afe_consumed_bytes = Align64ByteSize(Afe_consumed_bytes);

        Afe_Block->u4DataRemained -= Afe_consumed_bytes;
        Afe_Block->u4DMAReadIdx += Afe_consumed_bytes;
        Afe_Block->u4DMAReadIdx %= Afe_Block->u4BufferSize;
        PRINTK_AUD_DL1("[Auddrv] HW_Cur_ReadIdx =0x%x HW_memory_index = 0x%x Afe_consumed_bytes	= 0x%x\n", HW_Cur_ReadIdx, HW_memory_index, Afe_consumed_bytes);
        Auddrv_Dl1_Spinlock_unlock();
        return audio_bytes_to_frame(substream , Afe_Block->u4DMAReadIdx);
    }
    else
    {
        Frameidx = audio_bytes_to_frame(substream , Afe_Block->u4DMAReadIdx);
        Auddrv_Dl1_Spinlock_unlock();
        return Frameidx;
    }
}