static int mtk_pcm_fmtx_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_dma_buffer *dma_buf = &substream->dma_buffer;
int ret = 0;
PRINTK_AUD_FMTX("mtk_pcm_fmtx_hw_params \n");
if (fake_buffer)
{
/* runtime->dma_bytes has to be set manually to allow mmap */
substream->runtime->dma_bytes = params_buffer_bytes(hw_params);
// here to allcoate sram to hardware ---------------------------
AudDrv_Allocate_mem_Buffer(mDev, Soc_Aud_Digital_Block_MEM_DL1, substream->runtime->dma_bytes);
substream->runtime->dma_area = (unsigned char *)Get_Afe_SramBase_Pointer();
substream->runtime->dma_addr = AFE_INTERNAL_SRAM_PHY_BASE;
// -------------------------------------------------------
PRINTK_AUD_FMTX("1 dma_bytes = %d dma_area = %p dma_addr = 0x%x\n",
substream->runtime->dma_bytes, substream->runtime->dma_area, substream->runtime->dma_addr);
return 0;
}
else
{
dma_buf->dev.type = SNDRV_DMA_TYPE_DEV;
dma_buf->dev.dev = substream->pcm->card->dev;
dma_buf->private_data = NULL;
ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
PRINTK_AUD_FMTX("2 dma_bytes = %d dma_area = %p dma_addr = 0x%x\n",
substream->runtime->dma_bytes, substream->runtime->dma_area, substream->runtime->dma_addr);
return ret;
}
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;
AFE_BLOCK_T *Afe_Block = &pMemControl->rBlock;
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_pointer] Afe_Block->u4DMAReadIdx = 0x%x\n", Afe_Block->u4DMAReadIdx);
if (pMemControl->interruptTrigger == 1)
{
Frameidx =audio_bytes_to_frame(substream , Afe_Block->u4DMAReadIdx);
return Frameidx;
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);
Previous_Hw_cur = HW_memory_index;
PRINTK_AUD_FMTX("[Auddrv] HW_Cur_ReadIdx =0x%x HW_memory_index = 0x%x pointer return = 0x%x \n", HW_Cur_ReadIdx, HW_memory_index, (HW_memory_index >> 2));
pMemControl->interruptTrigger = 0;
return (HW_memory_index >> 2);
}
static int mtk_pcm_fmtx_silence(struct snd_pcm_substream *substream,
int channel, snd_pcm_uframes_t pos,
snd_pcm_uframes_t count)
{
PRINTK_AUD_FMTX("%s \n", __func__);
return 0; /* do nothing */
}
static int mtk_pcm_fmtx_stop(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
//AFE_BLOCK_T *Afe_Block = &(pMemControl->rBlock);
PRINTK_AUD_FMTX("mtk_pcm_fmtx_stop \n");
SetIrqEnable(Soc_Aud_IRQ_MCU_MODE_IRQ1_MCU_MODE, false);
// here to turn off 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);
// if (GetMrgI2SEnable() == false)
// {
SetMrgI2SEnable(false, runtime->rate);
// }
SetMemoryPathEnable(Soc_Aud_Digital_Block_MEM_DL1, false);
SetMemoryPathEnable(Soc_Aud_Digital_Block_MRG_I2S_OUT, false);
Set2ndI2SOutEnable(false);
EnableAfe(false);
RemoveMemifSubStream(Soc_Aud_Digital_Block_MEM_DL1, substream);
AudDrv_Clk_Off();
return 0;
}
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;
}
}
static int mtk_pcm_fmtx_hw_free(struct snd_pcm_substream *substream)
{
PRINTK_AUD_FMTX("mtk_pcm_fmtx_hw_free \n");
if (fake_buffer)
{
return 0;
}
return snd_pcm_lib_free_pages(substream);
}
static int mtk_pcm_fmtx_open(struct snd_pcm_substream *substream)
{
int ret = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
PRINTK_AUD_FMTX("mtk_pcm_fmtx_open\n");
AudDrv_Clk_On();
// get dl1 memconptrol and record substream
pMemControl = Get_Mem_ControlT(Soc_Aud_Digital_Block_MEM_DL1);
runtime->hw = mtk_fmtx_hardware;
memcpy((void *)(&(runtime->hw)), (void *)&mtk_fmtx_hardware , sizeof(struct snd_pcm_hardware));
//PRINTK_AUDDRV("runtime->hw->rates= 0x%x mtk_pcm_hardware = = 0x%x\n ", runtime->hw.rates, &mtk_pcm_hardware);
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_fmtx_sample_rates);
ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_open]snd_pcm_hw_constraint_integer failed\n");
}
//print for hw pcm information
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_open] runtime rate = %d channels = %d substream->pcm->device = %d\n",
runtime->rate, runtime->channels, substream->pcm->device);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_open]SNDRV_PCM_FMTX_PLAYBACK mtkalsa_playback_constraints\n");
}
else
{
}
if (ret < 0)
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_open]mtk_pcm_fmtx_close\n");
mtk_pcm_fmtx_close(substream);
return ret;
}
//PRINTK_AUDDRV("mtk_pcm_open return\n");
return 0;
}
static int mtk_afe_fmtx_probe(struct snd_soc_platform *platform)
{
PRINTK_AUD_FMTX("mtk_afe_afe_probe\n");
snd_soc_add_platform_controls(platform, Audio_snd_fmtx_controls,
ARRAY_SIZE(Audio_snd_fmtx_controls));
AudDrv_Allocate_mem_Buffer(platform->dev, Soc_Aud_Digital_Block_MEM_DL1, Dl1_MAX_BUFFER_SIZE);
FMTX_Playback_dma_buf = Get_Mem_Buffer(Soc_Aud_Digital_Block_MEM_DL1);
return 0;
}
static int mtk_fmtx_probe(struct platform_device *pdev)
{
PRINTK_AUD_FMTX("%s \n", __func__);
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
if (!pdev->dev.dma_mask)
{
pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
}
if (pdev->dev.of_node)
{
dev_set_name(&pdev->dev, "%s", MT_SOC_FM_MRGTX_PCM);
}
PRINTK_AUD_FMTX("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
mDev = &pdev->dev;
return snd_soc_register_platform(&pdev->dev,
&mtk_fmtx_soc_platform);
}
static int mtk_pcm_fmtx_close(struct snd_pcm_substream *substream)
{
PRINTK_AUD_FMTX("%s \n", __func__);
// mtk_wcn_cmb_stub_audio_ctrl((CMB_STUB_AIF_X)CMB_STUB_AIF_0);
if (mPlaybackSramState == SRAM_STATE_PLAYBACKDRAM)
{
AudDrv_Emi_Clk_Off();
}
AfeControlSramLock();
ClearSramState(mPlaybackSramState);
mPlaybackSramState = GetSramState();
AfeControlSramUnLock();
AudDrv_Clk_Off();
return 0;
}
static int __init mtk_soc_platform_init(void)
{
int ret;
PRINTK_AUD_FMTX("%s \n", __func__);
#ifndef CONFIG_OF
soc_mtkfmtx_dev = platform_device_alloc(MT_SOC_FM_MRGTX_PCM, -1);
if (!soc_mtkfmtx_dev)
{
return -ENOMEM;
}
ret = platform_device_add(soc_mtkfmtx_dev);
if (ret != 0)
{
platform_device_put(soc_mtkfmtx_dev);
return ret;
}
#endif
ret = platform_driver_register(&mtk_fmtx_driver);
return ret;
}
static void __exit mtk_soc_platform_exit(void)
{
PRINTK_AUD_FMTX("%s \n", __func__);
platform_driver_unregister(&mtk_fmtx_driver);
}
static int mtk_fmtx_remove(struct platform_device *pdev)
{
PRINTK_AUD_FMTX("%s \n", __func__);
snd_soc_unregister_platform(&pdev->dev);
return 0;
}
static int mtk_asoc_pcm_fmtx_new(struct snd_soc_pcm_runtime *rtd)
{
int ret = 0;
PRINTK_AUD_FMTX("%s\n", __func__);
return ret;
}
static struct page *mtk_pcm_fmtx_page(struct snd_pcm_substream *substream,
unsigned long offset)
{
PRINTK_AUD_FMTX("%s \n", __func__);
return virt_to_page(dummy_page[substream->stream]); /* the same page */
}
static int mtk_pcm_fmtx_copy(struct snd_pcm_substream *substream,
int channel, snd_pcm_uframes_t pos,
void __user *dst, snd_pcm_uframes_t count)
{
AFE_BLOCK_T *Afe_Block = NULL;
unsigned long flags;
char *data_w_ptr = (char *)dst;
int copy_size = 0, Afe_WriteIdx_tmp;
// get total bytes to copy
count = audio_frame_to_bytes(substream , count);
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] pos = %lu count = %lu\n ", pos, count);
// check which memif nned to be write
Afe_Block = &pMemControl->rBlock;
// handle for buffer management
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy]AudDrv_write WriteIdx=0x%x, ReadIdx=0x%x, DataRemained=0x%x \n",
Afe_Block->u4WriteIdx, Afe_Block->u4DMAReadIdx, Afe_Block->u4DataRemained);
if (Afe_Block->u4BufferSize == 0)
{
printk("AudDrv_write: u4BufferSize=0 Error");
return 0;
}
spin_lock_irqsave(&auddrv_FMTxCtl_lock, flags);
copy_size = Afe_Block->u4BufferSize - Afe_Block->u4DataRemained; // free space of the buffer
spin_unlock_irqrestore(&auddrv_FMTxCtl_lock, flags);
if (count <= copy_size)
{
if (copy_size < 0)
{
copy_size = 0;
}
else
{
copy_size = count;
}
}
copy_size = Align64ByteSize(copy_size);
PRINTK_AUD_DL1("copy_size=0x%x, count=0x%x \n", copy_size, count);
if (copy_size != 0)
{
spin_lock_irqsave(&auddrv_FMTxCtl_lock, flags);
Afe_WriteIdx_tmp = Afe_Block->u4WriteIdx;
spin_unlock_irqrestore(&auddrv_FMTxCtl_lock, flags);
if (Afe_WriteIdx_tmp + copy_size < Afe_Block->u4BufferSize) // copy once
{
if (!access_ok(VERIFY_READ, data_w_ptr, copy_size))
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] 0ptr invalid data_w_ptr=0x%x, size=%d", (kal_uint32)data_w_ptr, copy_size);
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] u4BufferSize=%d, u4DataRemained=%d", Afe_Block->u4BufferSize, Afe_Block->u4DataRemained);
}
else
{
PRINTK_AUD_FMTX("memcpy Afe_Block->pucVirtBufAddr+Afe_WriteIdx= %p data_w_ptr = %p copy_size = 0x%x\n",
Afe_Block->pucVirtBufAddr + Afe_WriteIdx_tmp, data_w_ptr, copy_size);
if (copy_from_user((Afe_Block->pucVirtBufAddr + Afe_WriteIdx_tmp), data_w_ptr, copy_size))
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] Fail copy from user \n");
return -1;
}
}
spin_lock_irqsave(&auddrv_FMTxCtl_lock, flags);
Afe_Block->u4DataRemained += copy_size;
Afe_Block->u4WriteIdx = Afe_WriteIdx_tmp + copy_size;
Afe_Block->u4WriteIdx %= Afe_Block->u4BufferSize;
spin_unlock_irqrestore(&auddrv_FMTxCtl_lock, flags);
data_w_ptr += copy_size;
count -= copy_size;
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] finish1, copy_size:%x, WriteIdx:%x, ReadIdx=%x, DataRemained:%x, count=%x \r\n",
copy_size, Afe_Block->u4WriteIdx, Afe_Block->u4DMAReadIdx, Afe_Block->u4DataRemained, count);
}
else // copy twice
{
kal_uint32 size_1 = 0, size_2 = 0;
size_1 = Align64ByteSize((Afe_Block->u4BufferSize - Afe_WriteIdx_tmp));
size_2 = Align64ByteSize((copy_size - size_1));
PRINTK_AUD_DL1("size_1=0x%x, size_2=0x%x \n", size_1, size_2);
if (!access_ok(VERIFY_READ, data_w_ptr, size_1))
{
printk("[mtk_pcm_fmtx_copy] 1ptr invalid data_w_ptr=%p, size_1=%d", data_w_ptr, size_1);
printk("[mtk_pcm_fmtx_copy] u4BufferSize=%d, u4DataRemained=%d", Afe_Block->u4BufferSize, Afe_Block->u4DataRemained);
}
else
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy]mcmcpy Afe_Block->pucVirtBufAddr+Afe_WriteIdx= %x data_w_ptr = %p size_1 = %x\n",
Afe_Block->pucVirtBufAddr + Afe_WriteIdx_tmp, data_w_ptr, size_1);
if ((copy_from_user((Afe_Block->pucVirtBufAddr + Afe_WriteIdx_tmp), data_w_ptr , size_1)))
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] Fail 1 copy from user");
return -1;
}
}
spin_lock_irqsave(&auddrv_FMTxCtl_lock, flags);
Afe_Block->u4DataRemained += size_1;
Afe_Block->u4WriteIdx = Afe_WriteIdx_tmp + size_1;
Afe_Block->u4WriteIdx %= Afe_Block->u4BufferSize;
Afe_WriteIdx_tmp = Afe_Block->u4WriteIdx;
spin_unlock_irqrestore(&auddrv_FMTxCtl_lock, flags);
if (!access_ok(VERIFY_READ, data_w_ptr + size_1, size_2))
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] 2ptr invalid data_w_ptr=%x, size_1=%d, size_2=%d", (kal_uint32)data_w_ptr, size_1, size_2);
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] u4BufferSize=%d, u4DataRemained=%d", Afe_Block->u4BufferSize, Afe_Block->u4DataRemained);
}
else
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy]mcmcpy Afe_Block->pucVirtBufAddr+Afe_WriteIdx= %x data_w_ptr+size_1 = %p size_2 = %x\n",
Afe_Block->pucVirtBufAddr + Afe_WriteIdx_tmp, data_w_ptr + size_1, size_2);
if ((copy_from_user((Afe_Block->pucVirtBufAddr + Afe_WriteIdx_tmp), (data_w_ptr + size_1), size_2)))
{
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] Fail 2 copy from user");
return -1;
}
}
spin_lock_irqsave(&auddrv_FMTxCtl_lock, flags);
Afe_Block->u4DataRemained += size_2;
Afe_Block->u4WriteIdx = Afe_WriteIdx_tmp + size_2;
Afe_Block->u4WriteIdx %= Afe_Block->u4BufferSize;
spin_unlock_irqrestore(&auddrv_FMTxCtl_lock, flags);
count -= copy_size;
data_w_ptr += copy_size;
PRINTK_AUD_FMTX("[mtk_pcm_fmtx_copy] finish2, copy size:%x, WriteIdx:%x,ReadIdx=%x DataRemained:%x \r\n",
copy_size, Afe_Block->u4WriteIdx, Afe_Block->u4DMAReadIdx, Afe_Block->u4DataRemained);
}
}
return 0;
}
