www.pudn.com > 8202S.rar > audkernel.c
#include "memmap0.h"
#include "audkernel.h"
#include "DSP3Codec.inc" // 2004/11/18 yltseng
#include "NESInit.h"
/*WMA/HDCD:
* "This product is protected by certain intellectual property rights of
* Microsoft and cannot be used or further
* distributed without a license from Microsoft.
*/
/***********************************************************************
* Macro define Session
***********************************************************************/
/*============================================================*/
// To ease the control of audio clocks,
// currently PCMBCK, IECBCK, ADCBCK all source from XCK.
// as a result, when changing sampling frequency, only XCK change is need.
//
// note: if there are needs for enable/disable individual clocks
// we must increase other interfaces
#ifndef SPHE1000
#ifdef SUPPORT_384_XCK //defined in user_init.h
static const UINT16 xck_clk_fs_table[] =
{
AUDCLK_384XCK_12288, AUDCLK_384XCK_16934, AUDCLK_384XCK_18432, 0, 0,
AUDCLK_384XCK_33869, AUDCLK_384XCK_36864, 0, 0,
AUDCLK_384XCK_67736, AUDCLK_384XCK_73728, 0, 0
};
#define AUD_BCK_SETTING AUDCLK_64BCK_384
#define AUD_IEC_SETTING AUDCLK_128IEC_384
#define AUD_ADC_SETTING AUDCLK_64ADC_384
#else // 256fs
static const UINT16 xck_clk_fs_table[] =
{
AUDCLK_256XCK_08192, AUDCLK_256XCK_11290, AUDCLK_256XCK_12288, 0, 0,
AUDCLK_256XCK_22579, AUDCLK_256XCK_24576, 0, 0,
AUDCLK_256XCK_45158, AUDCLK_256XCK_49152, 0, 0
};
#define AUD_BCK_SETTING AUDCLK_64BCK_256
#define AUD_IEC_SETTING AUDCLK_128IEC_256
#define AUD_ADC_SETTING AUDCLK_64ADC_256
#endif
#else // SPHE1000
#ifdef SUPPORT_384_XCK //defined in user_init.h
static const UINT16 xck_clk_fs_table[] =
{
AUDCLK_384XCK_12288, AUDCLK_384XCK_18432, AUDCLK_384XCK_18432, 0, 0,
AUDCLK_384XCK_36864, AUDCLK_384XCK_36864, 0, 0,
AUDCLK_384XCK_73728, AUDCLK_384XCK_73728, 0, 0
};
#define AUD_BCK_SETTING AUDCLK_64BCK_384
#define AUD_IEC_SETTING AUDCLK_128IEC_384
#define AUD_ADC_SETTING AUDCLK_64ADC_384
#else // 256fs
static const UINT16 xck_clk_fs_table[] =
{
AUDCLK_256XCK_08192, AUDCLK_256XCK_12288, AUDCLK_256XCK_12288, 0, 0,
AUDCLK_256XCK_24576, AUDCLK_256XCK_24576, 0, 0,
AUDCLK_256XCK_49152, AUDCLK_256XCK_49152, 0, 0
};
#define AUD_BCK_SETTING AUDCLK_64BCK_256
#define AUD_IEC_SETTING AUDCLK_128IEC_256
#define AUD_ADC_SETTING AUDCLK_64ADC_256
#endif //#ifdef SUPPORT_384_XCK
#endif //#ifndef SPHE1000
#define get_dsp3_im_ptr() get_dsp_im_ptr(0,0)
#define get_dsp3_pm_ptr() get_dsp_pcm_ptr(0,0)
#define get_dsp3_dm_ptr() get_dsp_aud_ptr(0,0)
extern int dsp3_decompress(const BYTE *rom, BYTE *dst);
#define dsp3_setupim(rom,len) dsp3_decompress(rom,get_dsp3_im_ptr()+0)
#define dsp3_setupdm(rom,len,off) dsp3_decompress(rom,get_dsp3_dm_ptr()+off)
#define dsp3_setuppm(rom,len,off) dsp3_decompress(rom,get_dsp3_pm_ptr()+off)
#define DSP_RESET() (regs0->dsp24_control=RF_DSP24_RESET)
#define DSP_STALL() (regs0->dsp24_control=RF_DSP24_STALL)
#define DSP_GO() (regs0->dsp24_control=0)
extern void dsp3_config(void);
/***********************************************************************
* Code Session
***********************************************************************/
void AUDKRNL_Init_AudHW_CLK(void)
{
AUD_ENABLE_XCK_PAD();
#ifndef NO_AUD_SET_BCK
AUD_SET_BCK(AUD_BCK_SETTING);
#endif//#ifndef NO_AUD_SET_BCK
AUD_SET_IEC(AUD_IEC_SETTING);
AUD_SET_ADC(AUD_ADC_SETTING);
AUD_SET_XCK(xck_clk_fs_table[FS_48K]);
#ifdef SPHE1000
AUD_CLR_PLLA();
AUD_SET_PLLA(1);
#endif
AUD_ENABLE_XCK_CLK();
}
// FUNCTION DESCRIPTION :
// Set Audio Hardware Clock
//
void AUDKRNL_Set_AudHW_SmpRate(unsigned fs)
{
int index=0;
#ifndef NO_AUD_SET_BCK
AUD_SET_BCK(AUD_BCK_SETTING);
#endif//#ifndef NO_AUD_SET_BCK
AUD_SET_IEC(AUD_IEC_SETTING);
AUD_SET_ADC(AUD_ADC_SETTING);
#ifdef SPHE1000
//printf("cfg6: %x %x %x\n", ((fs&0x555)>0), index, fs);
AUD_CLR_PLLA();
AUD_SET_PLLA((fs&0x222)>0);
#endif
while ((fs&0x1) == 0)
{
fs >>= 1;
index++;
if (index >= 12)
break;
}
#ifdef CS4334_AUDIO_CLK_DELAY_TURN_ON//gerry add it for avoid cs4334 power on noise,but it is not very good to add it here,2004-7-19 21:26
delay_1ms(100);
#endif//CS4334_AUDIO_CLK_DELAY_TURN_ON
AUD_SET_XCK(xck_clk_fs_table[index]);
AUD_ENABLE_XCK_CLK();
}
//
// FUNCTION DESCRIPTION
// generic dsp3 program download
// 2003/06/06, Bug fixed for AC3->VCD playback switch
// disable audio output before DSP reset, to cancel any noises of decoder change
// audio will be enabled automatically by DSP.
INT16 AUDKRNL_Download_DSP3Codec(const BYTE *rom, int len) //(int dsp3_coding_mode)
{
int res=0;
regs0->aud_enable = 0; //disable PCM H/W (PCM, SPDIF, ADC)
DSP_RESET(); //reset dsp24 always disable audio before dsp_reset
dsp3_config(); //config pdm and audio bitstream buffer
// Move MP3 PM, DM table
if(rom == DSP3code_MP3)
{
#ifdef MP3_JPEG_COWORK//enlarge the audio buffer size
//refer to line 67
dsp3_setuppm(DSPMP3DMTab,DSPMP3DMlen,0x1420*3);
dsp3_setuppm(DSPMP3PMTab,DSPMP3PMlen,0x24c0*3);
#else
//refer to line 70
dsp3_setupdm(DSPMP3PMTab,DSPMP3PMlen,0x0c00*3);
dsp3_setuppm(DSPMP3DMTab,DSPMP3DMlen,0x1420*3);
#endif
}
// copy im
if ((res=dsp3_setupim(rom,len)) < 0) {
#ifdef AUDDRV_DBG // MONE_DSP3_ERROR
auddbg_puts("*ERROR* gunzip dsp code error\n");
#endif
}
else{
#ifdef SUPPORT_NESGAME
int i;
if(rom == DSP3code_NES) {
for (i=0;i<15;i++)
regs0->dsp24_port[i]=0;
//DAC initialize format bit8~15, set playback rate(bit-0 ~ bit-1)
regs0->dsp24_port[4]|=(DACFORMAT<<8)|SOUND_PLAYBACK_ID;
}
#endif // end of SUPPORT_NESGAME
#ifdef NO_AUDIO_DSP
return res;
#endif
#ifdef SETUP_DONT_PAUSE
#ifdef SUPPORT_NESGAME
if(coding_mode_now!=AUDIF_CODING_MODE_NES)
#endif
regs0->dsp24_port[5]=-1;
#endif
DSP_GO();
}
return res;
}
static inline void AUDKRNL_Set_DSP_Buffer_Addr( const DSP3_CODEC_INFO* pCodecInfo, int coding_mode )
{ // 2004/11/18 yltseng
#ifdef MOVE_WMA_DSP_CODEC_ADDR//terry,2004/1/12 05:02PM // 2004/09/16 yltseng
if( (cd_type_loaded==CDROM)&&(coding_mode==AUDIF_CODING_MODE_WMA) )
set_aud_buf( A_DSP24_WMA_YA, A_DSP24_WMA_YA + pCodecInfo->uiDSPIM, A_DSP24_WMA_YA + pCodecInfo->uiDSPIM + pCodecInfo->uiDSPPM );
else
#endif
#ifdef MOVE_PAL_AUDYA
if( regs0->mc_compress != 0 )
set_aud_buf( P_DSP24YA, P_DSP24YA + pCodecInfo->uiDSPIM, P_DSP24YA + pCodecInfo->uiDSPIM + P_DSP24YA + pCodecInfo->uiDSPPM );
else
#endif
set_aud_buf( A_DSP24YA, A_DSP24YA + pCodecInfo->uiDSPIM, A_DSP24YA + pCodecInfo->uiDSPIM + pCodecInfo->uiDSPPM );
}
// FUNCTION DESCRIPTION :
// download specific DSP codec
//
void AUDKRNL_Download_Codec(int coding_mode)
{ // 2004/11/18 yltseng
#ifdef MONE_DOWNLOAD_CODEC //debug msg enhancement
auddbg_printf("\n------->\n",coding_mode);
auddbg_printf("-------><0x1:AC3 0x2:PPCM 0x40:DTS 0x100:MP3 0x200:PCM>\n");
auddbg_printf("-------><0x400:MIDI 0x1000:SPDIF 0x2000:DTSCD 0x4000:WMA>\n");
#endif
//??? Is it still necessary? already done in AUDKRNL_Download_DSP3Codec()
#ifndef SPHE1000 // barry remove it in HE1000 because in dsp3_download had stop it
regs0->aud_enable = 0; // disable PCM H/W (PCM, SPDIF, ADC)
DSP_RESET(); // force dsp stop.
#endif
#if ( defined(SDRAM_16Mb_Mode) && !defined(SDRAM16M_5_1CH) && !defined(RAW_HAVE_ANALOG_OUTPUT) )
if( ( coding_mode == AUDIF_CODING_MODE_AC3 ) && setup_IsSet2SPDIF_Bitstream() )
coding_mode = AUDIF_CODING_MODE_SPDIF;
#endif
UINT32 uiIndex = GetDSPCodecIndex( coding_mode );
const DSP3_CODEC_INFO* pCodecInfo = GetDSPCodecInfo( uiIndex );
AUDKRNL_Set_DSP_Buffer_Addr( pCodecInfo, coding_mode );
AUDKRNL_Download_DSP3Codec( pCodecInfo->pDSPcode, 0 );
}
UINT32 AUDKRNL_LPCM_Get_BitDepthParam(UINT32 bitsample)
{
switch (bitsample)
{
case 8:
return 4;
case 20:
return 1;
case 24:
return 2;
case 32:
return 3;
default:
return 0;
}
}
UINT32 AUDKRNL_LPCM_Get_FrqParam(UINT32 samprate)
{
UINT32 s1;
if (samprate == 0)
return 0;
if (samprate<7000) // 5 : 6 kHz
s1 = 5;
else if (samprate<9500) // 20 : 8 kHz
s1 = 20;
else if (samprate<11500) // 12 : 11.025 kHz
s1 = 12;
else if (samprate<14000) // 4 : 12 kHz
s1 = 4;
else if (samprate<19000) // 19 : 16 kHz
s1 = 19;
else if (samprate<23000) // 11 : 22.05 kHz
s1 = 11;
else if (samprate<28000) // 3 : 24 kHz
s1 = 3;
else if (samprate<38000) // 16 : 32 kHz
s1 = 16;
else if (samprate<46000) // 8 : 44.1 kHz
s1 = 8;
else if (samprate<68000) // 0 : 48 kHz
s1 = 0;
else if (samprate<92000) // 9 : 88.2 kHz
s1 = 9;
else if (samprate<136000) // 1 : 96 kHz
s1 = 1;
else if (samprate<184000) // 10 : 176.4 kHz
s1 = 10;
else // 2 : 192 kHz
s1 = 2;
return s1;
}