#include "global.h"

	int    sport1a_buf[2][NUM_SAMPLES*SLOTS];		
	int    sport1b_buf[2][NUM_SAMPLES*SLOTS];

	
	int    sport0a_buf[2][NUM_SAMPLES*SLOTS];
	int    sport0b_buf[2][NUM_SAMPLES*SLOTS];
		
	int    sport2a_buf[2][NUM_SAMPLES*2];	
	int    sport4a_buf[2][NUM_SAMPLES*2];	
	int    sport5a_buf[2][NUM_SAMPLES*2];


//int xt[1024*1024];


//2 For ping-pong ,each TCB has four registers.
	int    sport1a_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport1a_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport1a_buf[1]}
	};
	int    sport1b_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport1b_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport1b_buf[1]}
	};
	
	////TDM
	int    sport0a_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport0a_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport0a_buf[1]}
	};
	int    sport0b_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport0b_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport0b_buf[1]}
	};
	//usb
	int    sport2a_tcb[2][4] = {
		{0, NUM_SAMPLES*2, 1, (int) sport2a_buf[0]},
		{0, NUM_SAMPLES*2, 1, (int) sport2a_buf[1]}
	};
	int    sport4a_tcb[2][4] = {
		{0, NUM_SAMPLES*2, 1, (int) sport4a_buf[0]},
		{0, NUM_SAMPLES*2, 1, (int) sport4a_buf[1]}
	};
	int    sport5a_tcb[2][4] = {
		{0, NUM_SAMPLES*2, 1, (int) sport5a_buf[0]},
		{0, NUM_SAMPLES*2, 1, (int) sport5a_buf[1]}
	};

/*
sport 0,2  TDMÊä³ö
sport 1,3  TDMÊäÈë
sport 4  i2s Êä³ö
sport 5, i2s ÊäÈë
sport 6  tdmÊä³ö
sport 7  tdmÊäÈë
*/
void InitSPORT(int mask,int sampleRate)
{
	int i;
	int fs_div = MCLK/RATE_SAMPLES;
	int sclk_div = MCLK/(RATE_SAMPLES*32*SLOTS);
	int sclk_div_48k = MCLK/(RATE_SAMPLES*32*2);
	int reg;

    /* External clock and frame syncs generated by AD1939 */
   	*pDIV0 = 0x00000000;  // Transmitter (SPORT0)
    *pDIV1 = 0x00000000;  // Receiver (SPORT1) at 12.288 MHz SCLK and 48 kHz sample rate
      

    sport0a_tcb[0][0]= ((int)sport0a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport0a_tcb[1][0]= ((int)sport0a_tcb[0] + 3)&0x7ffff | (1<<19);
	sport0b_tcb[0][0]= ((int)sport0b_tcb[1] + 3)&0x7ffff | (1<<19);
	sport0b_tcb[1][0]= ((int)sport0b_tcb[0] + 3)&0x7ffff | (1<<19);		
	
	sport1a_tcb[0][0]= ((int)sport1a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport1a_tcb[1][0]= ((int)sport1a_tcb[0] + 3)&0x7ffff | (1<<19);	
	sport1b_tcb[0][0]= ((int)sport1b_tcb[1] + 3)&0x7ffff | (1<<19);
	sport1b_tcb[1][0]= ((int)sport1b_tcb[0] + 3)&0x7ffff | (1<<19);	
	

	sport2a_tcb[0][0]= ((int)sport2a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport2a_tcb[1][0]= ((int)sport2a_tcb[0] + 3)&0x7ffff | (1<<19);

	sport4a_tcb[0][0]= ((int)sport4a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport4a_tcb[1][0]= ((int)sport4a_tcb[0] + 3)&0x7ffff | (1<<19);
	
	sport5a_tcb[0][0]= ((int)sport5a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport5a_tcb[1][0]= ((int)sport5a_tcb[0] + 3)&0x7ffff | (1<<19);
	

	*pSPCTL0 = *pSPCTL1 = *pSPCTL2=*pSPCTL4=*pSPCTL5=0;
	*pSPMCTL0 = *pSPMCTL1=*pSPMCTL2=*pSPMCTL4=*pSPMCTL5=0; 
	*pSPCTLN0 =*pSPCTLN1=*pSPCTLN2=*pSPCTLN4=*pSPCTLN5=0;
	
	*pCPSP0A = sport0a_tcb[0][0];
	*pCPSP0B = sport0b_tcb[0][0];
	
	*pCPSP1A = sport1a_tcb[0][0];
	*pCPSP1B = sport1b_tcb[0][0];			
	
	//usb
	*pCPSP2A = sport2a_tcb[0][0];
	*pCPSP4A = sport4a_tcb[0][0];
	*pCPSP5A = sport5a_tcb[0][0];
	
	
	//*pSPCTL2 = (OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE); 
	*pSPCTL5 = (OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE);
	*pSPCTL4 = (SPTRAN| OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE);//output
	
	//iis
	//*pSPCTL1 = (SPTRAN| OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A); //usb send
	reg = ( SLEN32 | SCHEN_A | SDEN_A | SCHEN_B | SDEN_B |FSR |CKRE); 
	*pSPCTL1 = reg; 

	//tdm
	reg = (SPTRAN| SLEN32 | SCHEN_A | SDEN_A | SCHEN_B | SDEN_B |FSR |CKRE );
    *pSPCTL0 = reg;
    
    
	
	*pSP0CS0 = *pSP1CS0 = 0x000000ff;
	//*pMT0CCS0 = 0; 
	*pSPMCTL0 = *pSPMCTL1 = (NCH7 | MFD1 |MCEA |MCEB);
	
	//tdm
	if(1)
	{	
		int n,r0 ;
       
    	*pPCG_CTLA1 =0 ; *pPCG_CTLA0 =0;
  	     for (n=0; n<16; n++)asm("NOP;");
       
  	     
      	r0 = sclk_div | CLKASOURCE | FSASOURCE;
      	*pPCG_CTLA1 = r0 ;
     
      	r0 =  fs_div | ENFSA | ENCLKA ;
      	*pPCG_CTLA0 = r0;
      	
      	
      	//bypass mode PCGB , get invert sclk
      	*pPCG_CTLB1 =0 ; *pPCG_CTLB0 =0;
  	     for (n=0; n<16; n++)asm("NOP;");
       
  	     *pPCG_PW1 = 2| INVFSB ;
  	     
      	r0 = sclk_div | CLKBSOURCE | FSBSOURCE;
      	*pPCG_CTLB1 = r0 ;
     
      	r0 =   ENFSB | ENCLKB ;
      	*pPCG_CTLB0 = r0;
	}
	
	//iis
	if(1)
	{	
		int n,r0 ;
       
    	*pPCG_CTLC1 =0 ; *pPCG_CTLC0 =0;
  	     for (n=0; n<16; n++)asm("NOP;");
       
  	    //*pPCG_PW1 =1;
  	    //*pPCG_PW2 = STROBEA| INVFSA;
  	     
      	r0 =  sclk_div_48k| CLKCSOURCE | FSCSOURCE | ((sclk_div_48k/2)<<20);
      	*pPCG_CTLC1 = r0 ;
     
      	r0 =  fs_div | ENFSC | ENCLKC ;
      	*pPCG_CTLC0 = r0;
      	
	}
	
	
}