static int mtk_pcm_i2s0_open(struct snd_pcm_substream *substream)
{
int ret = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
AfeControlSramLock();
if (GetSramState() == SRAM_STATE_FREE)
{
mtk_i2s0_hardware.buffer_bytes_max = GetPLaybackSramFullSize();
mPlaybackSramState = SRAM_STATE_PLAYBACKFULL;
SetSramState(mPlaybackSramState);
}
else
{
mtk_i2s0_hardware.buffer_bytes_max = GetPLaybackSramPartial();
mPlaybackSramState = SRAM_STATE_PLAYBACKPARTIAL;
SetSramState(mPlaybackSramState);
}
AfeControlSramUnLock();
runtime->hw = mtk_i2s0_hardware;
printk("mtk_pcm_i2s0_open\n");
AudDrv_Clk_On();
memcpy((void *)(&(runtime->hw)), (void *)&mtk_i2s0_hardware , sizeof(struct snd_pcm_hardware));
pI2s0MemControl = Get_Mem_ControlT(Soc_Aud_Digital_Block_MEM_DL1);
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
{
printk("snd_pcm_hw_constraint_integer failed\n");
}
//print for hw pcm information
printk("mtk_pcm_i2s0_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("SNDRV_PCM_STREAM_PLAYBACK mtkalsa_i2s0_playback_constraints\n");
}
else
{
}
if (ret < 0)
{
printk("mtk_pcm_i2s0_close\n");
mtk_pcm_i2s0_close(substream);
return ret;
}
printk("mtk_pcm_i2s0_open return\n");
AudDrv_Clk_Off();
return 0;
}
static int mtk_pcm_dl1_open(struct snd_pcm_substream *substream)
{
int ret = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
PRINTK_AUDDRV("mtk_pcm_dl1_open\n");
AfeControlSramLock();
if (GetSramState() == SRAM_STATE_FREE)
{
mtk_pcm_dl1_hardware.buffer_bytes_max = GetPLaybackSramFullSize();
mPlaybackSramState = SRAM_STATE_PLAYBACKFULL;
SetSramState(mPlaybackSramState);
}
else
{
mtk_pcm_dl1_hardware.buffer_bytes_max = GetPLaybackDramSize();
mPlaybackSramState = SRAM_STATE_PLAYBACKDRAM;
}
AfeControlSramUnLock();
if (mPlaybackSramState == SRAM_STATE_PLAYBACKDRAM)
{
AudDrv_Emi_Clk_On();
}
printk("mtk_pcm_dl1_hardware.buffer_bytes_max = %zu mPlaybackSramState = %d\n", mtk_pcm_dl1_hardware.buffer_bytes_max, mPlaybackSramState);
runtime->hw = mtk_pcm_dl1_hardware;
AudDrv_ANA_Clk_On();
AudDrv_Clk_On();
memcpy((void *)(&(runtime->hw)), (void *)&mtk_pcm_dl1_hardware , sizeof(struct snd_pcm_hardware));
pMemControl = Get_Mem_ControlT(Soc_Aud_Digital_Block_MEM_DL1);
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
if (ret < 0)
{
printk("snd_pcm_hw_constraint_integer failed\n");
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
{
printk("SNDRV_PCM_STREAM_PLAYBACK mtkalsa_dl1playback_constraints\n");
}
else
{
printk("SNDRV_PCM_STREAM_CAPTURE mtkalsa_dl1playback_constraints\n");
}
if (ret < 0)
{
printk("ret < 0 mtk_soc_pcm_dl1_close\n");
mtk_soc_pcm_dl1_close(substream);
return ret;
}
//PRINTK_AUDDRV("mtk_pcm_dl1_open return\n");
return 0;
}
static int mtk_capture_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int ret = 0;
AudDrv_Clk_On();
AudDrv_ADC_Clk_On();
VUL_Control_context = Get_Mem_ControlT(Soc_Aud_Digital_Block_MEM_VUL);
// can allocate sram_dbg
AfeControlSramLock();
if (GetSramState() == SRAM_STATE_FREE )
{
printk("mtk_capture_pcm_open use sram \n");
mtk_capture_hardware.buffer_bytes_max = GetCaptureSramSize();
SetSramState(SRAM_STATE_CAPTURE);
mCaptureUseSram = true;
}
else
{
printk("mtk_capture_pcm_open use dram \n");
mtk_capture_hardware.buffer_bytes_max = UL1_MAX_BUFFER_SIZE;
}
AfeControlSramUnLock();
runtime->hw = mtk_capture_hardware;
memcpy((void *)(&(runtime->hw)), (void *)&mtk_capture_hardware , sizeof(struct snd_pcm_hardware));
ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
{
printk("snd_pcm_hw_constraint_integer failed\n");
}
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
{
}
else
{
}
if (ret < 0)
{
printk("mtk_capture_pcm_close\n");
mtk_capture_pcm_close(substream);
return ret;
}
if(mCaptureUseSram == false)
{
AudDrv_Emi_Clk_On();
}
printk("mtk_capture_pcm_open return\n");
return 0;
}
