#include "global.h"

	int    sport0a_buf[2][NUM_SAMPLES*SLOTS];
	int    sport0b_buf[2][NUM_SAMPLES*SLOTS];
	int    sport1a_buf[2][NUM_SAMPLES*SLOTS];		
	int    sport1b_buf[2][NUM_SAMPLES*SLOTS];
		
	int    sport2a_buf[2][NUM_SAMPLES*SLOTS];	
	int    sport2b_buf[2][NUM_SAMPLES*SLOTS];	
	int    sport3a_buf[2][NUM_SAMPLES*SLOTS];	
	int    sport3b_buf[2][NUM_SAMPLES*SLOTS];

	int    sport4a_buf[2][NUM_SAMPLES*2];	
	int    sport5a_buf[2][NUM_SAMPLES*2];
	
	int    sport6a_buf[2][NUM_SAMPLES*SLOTS];
	int    sport7a_buf[2][NUM_SAMPLES*SLOTS];		


//int xt[1024*1024];


//2 For ping-pong ,each TCB has four registers.
	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]}
	};
	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]}
	};
	int    sport2a_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport2a_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport2a_buf[1]}
	};
	int    sport2b_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport2b_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport2b_buf[1]}
	};
	int    sport3a_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport3a_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport3a_buf[1]}
	};
	int    sport3b_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport3b_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport3b_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]}
	};
	
	int    sport6a_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport6a_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport6a_buf[1]}
	};
	
	int    sport7a_tcb[2][4] = {
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport7a_buf[0]},
		{0, NUM_SAMPLES*SLOTS, 1, (int) sport7a_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 fs_div_8k = MCLK/8000;
	int sclk_div_8k = MCLK/(8000*32*32);
	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);
	sport2b_tcb[0][0]= ((int)sport2b_tcb[1] + 3)&0x7ffff | (1<<19);
	sport2b_tcb[1][0]= ((int)sport2b_tcb[0] + 3)&0x7ffff | (1<<19);
	
	sport3a_tcb[0][0]= ((int)sport3a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport3a_tcb[1][0]= ((int)sport3a_tcb[0] + 3)&0x7ffff | (1<<19);
	sport3b_tcb[0][0]= ((int)sport3b_tcb[1] + 3)&0x7ffff | (1<<19);
	sport3b_tcb[1][0]= ((int)sport3b_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);
	
	sport6a_tcb[0][0]= ((int)sport6a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport6a_tcb[1][0]= ((int)sport6a_tcb[0] + 3)&0x7ffff | (1<<19);
	
	sport7a_tcb[0][0]= ((int)sport7a_tcb[1] + 3)&0x7ffff | (1<<19);
	sport7a_tcb[1][0]= ((int)sport7a_tcb[0] + 3)&0x7ffff | (1<<19);

	*pSPCTL0 = *pSPCTL1 = *pSPCTL2=*pSPCTL3=*pSPCTL4=*pSPCTL5=*pSPCTL6=*pSPCTL7=0;
	*pSPMCTL0 = *pSPMCTL1=*pSPMCTL2=*pSPMCTL3=*pSPMCTL4=*pSPMCTL5 =*pSPMCTL6=*pSPMCTL7=0; 
	*pSPCTLN0 =*pSPCTLN1=*pSPCTLN2=*pSPCTLN3=*pSPCTLN4=*pSPCTLN5 =*pSPCTLN6 =*pSPCTLN7=0;
	
	*pCPSP0A = sport0a_tcb[0][0];
	*pCPSP0B = sport0b_tcb[0][0];
	*pCPSP1A = sport1a_tcb[0][0];
	*pCPSP1B = sport1b_tcb[0][0];
	*pCPSP2A = sport2a_tcb[0][0];
	*pCPSP2B = sport2b_tcb[0][0];			
	*pCPSP3A = sport3a_tcb[0][0];
	*pCPSP3B = sport3b_tcb[0][0];
	
	*pCPSP4A = sport4a_tcb[0][0];
	*pCPSP5A = sport5a_tcb[0][0];
	
	*pCPSP6A = sport6a_tcb[0][0];
	
	*pCPSP7A = sport7a_tcb[0][0];
	
	
	*pSPCTL4 = (SPTRAN|  OPMODE | SLEN32 | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE); //usb send
	*pSPCTL5 = (SLEN32 | OPMODE | SPEN_A | SCHEN_A | SDEN_A |LFS |CKRE); //usb recv  

	//tdm
	reg = (SPTRAN| SLEN32 | SCHEN_A | SDEN_A | SCHEN_B | SDEN_B |FSR |CKRE);
	//*pSPCTLN0 = FSED;        // ֡ͬ²½±ßÑؼì²â
	//reg = (SPTRAN| OPMODE |SPEN_A| SLEN32 | SCHEN_A | SDEN_A |SPEN_B| SCHEN_B | SDEN_B);
    *pSPCTL0 = reg;
	*pSPCTL2 = reg;
	
	reg = (SPTRAN| SLEN32 | SCHEN_A | SDEN_A |FSR |CKRE);
	*pSPCTL6 = reg;

	reg = (SLEN32 |  SCHEN_A | SDEN_A |  SCHEN_B | SDEN_B |FSR |CKRE);
	//reg = (SLEN32 | OPMODE| SPEN_A| SCHEN_A | SDEN_A | SPEN_B| SCHEN_B | SDEN_B);
	*pSPCTL1 = reg;
	*pSPCTL3 = reg;
	
	reg = (SLEN32 |  SCHEN_A | SDEN_A |FSR |CKRE);
	*pSPCTL7 = reg;
	
	*pSP0CS0 = *pSP1CS0 = *pSP2CS0 = *pSP3CS0 = *pSP6CS0 = *pSP7CS0 = 0x000000ff;
	
	*pMT0CCS0 = *pMT2CCS0 = *pMT6CCS0 = 0; //0,2 transit 
	*pMR1CCS0 = *pMR3CCS0 = *pMR7CCS0 = 0;
	
	reg = (NCH7 | MFD1 |MCEA|MCEB);
	*pSPMCTL0 = *pSPMCTL1 =*pSPMCTL2 = *pSPMCTL3 = reg;
	
	reg = (NCH7 | MFD1 |MCEA);
	*pSPMCTL6 = *pSPMCTL7 = reg;
	
	
	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;
	}
	
	////USB
	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;
      	
      	
	}
}