Media_Status I2S_Open( void ){
#ifdef __I2S_UNIT_TEST__
kal_uint16 sr = Media_I2S_INPUT_MODE_SR_UT;
#else
kal_uint16 sr = Media_I2S_INPUT_MODE_SR;
#endif
#if defined(MT6256) || defined(MT6255) || defined(MT6250) || defined(MT6260)
#if defined(__INTERAL_FM_VIA_I2S__)
kal_uint8 isspkmute = 0;
#endif
#endif
#if defined(__VIBRATION_SPEAKER_SUPPORT__)
VIBR_Vibration_Deactivate();
#endif
PcmSink_TerminateSound();
#if defined(__AUDIO_COMPONENT_SUPPORT__)
Media_SetIsDSPDec(KAL_TRUE); // to bypass sink component
#endif
kal_trace( TRACE_FUNC, L1AUDIO_I2S_ENABLE, ASP_TYPE_I2SBypass, sr );
ASSERT( sr == 32000 || sr == 44100 || sr == 48000 );
ASSERT( I2S_RECORD_STATE_CLOSED == i2s.state);
i2s.is_ON = KAL_TRUE;
i2s.state = I2S_RECORD_STATE_INIT;
i2s.sample_rate = sr;
i2s.aud_id = L1Audio_GetAudioID();
#if defined(__BES_LOUDNESS_ON_I2S__)
AudioPP_Loudness_Registry();
#endif
#if defined(__AUDIO_DSP_LOWPOWER_V2__)
#if defined(MT6256) || defined(MT6255)
if (!APM_IsLoudnessOn())
#endif
#if !(defined(MT6260) && defined(INTERNAL_ANTENNAL_SUPPORT))
AUDLP_Mode(KAL_TRUE, 1);
#endif
if(AUDLP_Check_LowPower_Status())
{
L1Audio_SetFlag_MD2G( i2s.aud_id );
#if defined(MT6250) || defined(MT6260)
AUDLP_Set_ClkSwitchMode(KAL_TRUE);
AUDLP_SW_Trigger_Event_Setting(KAL_TRUE);
AUDLP_SetClkSwitch_26M(KAL_TRUE);
#endif
}
else
L1Audio_SetFlag( i2s.aud_id );
#else
L1Audio_SetFlag( i2s.aud_id );
#endif
ktLock();
KT_StopAndWait();
TONE_StopAndWait();
AM_Force_VBI_END_IN_TASK();
Media_SetSampleRate(sr);
Media_SetAudioFormat(MEDIA_FORMAT_UNKNOWN);
*DSP_AUDIO_CTRL2 |= DP_PCM_R_DIS;
*DSP_AUDIO_FLEXI_CTRL |= (FLEXI_VBI_ENABLE | FLEXI_SD_ENABLE);
#if defined(MT6250) || defined(MT6260)
*I2S_PLAYERROR_INFO = 0;
*I2S_PLAYERROR_CONTROL = 0;
#endif
#if !defined(__CACHED_BASE_DSP__)
DSP_DynamicDownload ( DDID_I2S );
#endif
//should add a parameter to indicate input or output
AFE_TurnOnEDI( 1, 1, L1SP_I2S_INPUT_SCALE >> 1 );
#if defined(__AUDIO_COMPONENT_SUPPORT__)
i2s_sample_rate = i2s.sample_rate;
ASSERT(i2s.ihdl==NULL);
AudioRoute2Drain_Init(&i2s.ihdl, 0);
AudioRoute2Drain_Start(i2s.ihdl);
#endif
//should not turn on output mode and input mode at the same time
if( sr == 32000 )
sr = ASP_FS_32K;
else if ( sr == 44100 )
sr = ASP_FS_44K;
else
sr = ASP_FS_48K;
#if defined(MT6260)
#if defined(__INTERAL_FM_VIA_I2S__)
if(I2S_is_FM())
*HW_MISC_REG |=0x0001;
#endif
#endif
#if defined(__INTERAL_FM_VIA_I2S__)
if(!I2S_is_FM())
#endif
I2S_Input_GPIO_TurnOn();
#if defined(MT6256) || defined(MT6255) || defined(MT6250) || defined(MT6260)
#if defined(__INTERAL_FM_VIA_I2S__)
if(!I2S_is_FM())
{
if(!AFE_IsSpeakerMuted())
{
AFE_MuteSpeaker(L1SP_AUDIO, KAL_TRUE);
isspkmute = 1;
}
}
#endif
#endif
#if defined(MT6250)
L1Audio_HookHisrHandler(DP_D2C_I2S_REC_INT, I2S_DspIntHISR, 0);
#endif
#if defined(__AUDIO_COMPONENT_SUPPORT__) && !defined(MED_MODEM)
PcmSink_DepopMute(400); //depop
#endif
AM_AudioPlaybackOn( ASP_TYPE_I2SBypass, sr );
#if defined(MT6256) || defined(MT6255) || defined(MT6250) || defined(MT6260)
#if defined(__INTERAL_FM_VIA_I2S__)
if(!I2S_is_FM())
{
kal_sleep_task(45);
if(isspkmute)
AFE_MuteSpeaker(L1SP_AUDIO, KAL_FALSE);
}
#endif
#endif
return MEDIA_SUCCESS;
}
void Media_MuteSpeaker( bool mute )
{
AFE_MuteSpeaker( L1SP_AUDIO, mute );
AFE_MuteSpeaker( L1SP_VOICE, mute );
}
