ftmcp100.h

基于Linux的ffmepg decoder

      #define SCODE     (0x10068 + pCodec->pCoreBaseAddr)
      #define VLASTWORD (0x1006c + pCodec->pCoreBaseAddr)
      #define VLDSTS    (0x10074 + pCodec->pCoreBaseAddr)
	  #define ABADR     (0x10078 + pCodec->pCoreBaseAddr)

      #define READ_MCCTL(v)     v=*(volatile unsigned long*)MCCTL;
      #define READ_QAR(v)    	v=*(volatile unsigned long*)QAR;
      #define READ_VADR(v)		v=*(volatile unsigned long*)VADR;
      #define READ_BADR(v)		v=*(volatile unsigned long*)BADR;
      #define READ_VOP0(v)  	v=*(volatile unsigned long*)VOP0;
      #define READ_CPSTS(v)		v=*(volatile unsigned long*)CPSTS;
      #define READ_BALR(v)		v=*(volatile unsigned long*)BALR;
      #define READ_VLDCTL(v)    v=*(volatile unsigned long*)VLDCTL;
      #define READ_VLASTWORD(v)	v=*(volatile unsigned long*)VLASTWORD;
      #define READ_VLDSTS(v)	v=*(volatile unsigned long*)VLDSTS;	//ABF clean
      #define READ_ABADR(v)		v=*(volatile unsigned long*)ABADR;
	
      #define SET_MCUBR(v)		*(volatile unsigned long*)MCUBR=v;
      #define SET_MECADDR(v) 	*(volatile unsigned long*)MECADDR=v; // mainly used for setting debugging marker during RTL simulation , note that MECADDR[3:0] is ignored	
      #define SET_MCCTL(v)		*(volatile unsigned long*)MCCTL=v;
      #define SET_MCCADDR(v)	*(volatile unsigned long*)MCCADDR=v;
      #define SET_CPSTS(v)		*(volatile unsigned long*)CPSTS=v;
      #define SET_MCUTIR(v)		*(volatile unsigned long*)MCUTIR=v;
      #define SET_PYDCR(v)		*(volatile unsigned long*)PYDCR=v;
      #define SET_PUVDCR(v)		*(volatile unsigned long*)PUVDCR=v;
      #define SET_QAR(v)		*(volatile unsigned long*)QAR=v;
      #define SET_CKR(v)		*(volatile unsigned long*)CKR=v;
      #define SET_VADR(v)		*(volatile unsigned long*)VADR=v;
      #define SET_BADR(v)		*(volatile unsigned long*)BADR=v;
      #define SET_BALR(v)		*(volatile unsigned long*)BALR=v;
      #define SET_MCIADDR(v)	*(volatile unsigned long*)MCIADDR=v;
      #define SET_VLDCTL(v)		*(volatile unsigned long*)VLDCTL=v;
      #define SET_VOP0(v)  		*(volatile unsigned long*)VOP0=v;
      #define SET_SCODE(v)  	*(volatile unsigned long*)SCODE=v;
      #define SET_ABADR(v)		*(volatile unsigned long*)ABADR=v;
    
    #elif defined(CORE_VERSION_2)
      #define MDMA1     ((volatile MDMA *)(0x20400 + pCodec->pCoreBaseAddr))
	  
	  #ifdef USE_INTERNAL_CPU
        #define JPG_DEC_INFO (0x8000 + pCodec->pCoreBaseAddr)
      #endif
    
      #define MCUBR	    (0x20008 + pCodec->pCoreBaseAddr)
      #define MECADDR   (0x20014 + pCodec->pCoreBaseAddr) // mainly used for setting debugging marker during RTL simulation , note that MECADDR[3:0] is ignored
      #define MCCTL     (0x2001c + pCodec->pCoreBaseAddr)
      #define MCCADDR   (0x20020 + pCodec->pCoreBaseAddr) 
      #ifdef USE_INTERNAL_CPU
        #define MEIADDR   (0x20024 + pCodec->pCoreBaseAddr) // mainly used for setting debugging marker during RTL simulation , note that MEIADDR[2:0] is ignored
      #endif  
      #define CPSTS     (0x20028 + pCodec->pCoreBaseAddr)
      #define MCUTIR    (0x2002c + pCodec->pCoreBaseAddr)
      #define PYDCR	    (0x20030 + pCodec->pCoreBaseAddr)
      #define PUVDCR	(0x20034 + pCodec->pCoreBaseAddr)
      #define QAR		(0x20038 + pCodec->pCoreBaseAddr)
      #define CKR       (0x2003c + pCodec->pCoreBaseAddr)
      #define VADR      (0x20044 + pCodec->pCoreBaseAddr)
      #define BADR      (0x2004c + pCodec->pCoreBaseAddr)
      #define BALR      (0x20050 + pCodec->pCoreBaseAddr)
      #define MCIADDR   (0x20058 + pCodec->pCoreBaseAddr)
      #define VLDCTL    (0x2005c + pCodec->pCoreBaseAddr)
      #define VOP0      (0x20060 + pCodec->pCoreBaseAddr)
      #define SCODE     (0x20068 + pCodec->pCoreBaseAddr)
      #define VLASTWORD (0x2006c + pCodec->pCoreBaseAddr)
      #define VLDSTS    (0x20074 + pCodec->pCoreBaseAddr)
	  #define ABADR     (0x20078 + pCodec->pCoreBaseAddr)
	  
	  #ifdef USE_INTERNAL_CPU
	    #define INCTL	  (0x2007c + pCodec->pCoreBaseAddr)
	  #endif

      #define READ_MCCTL(v)     v=*(volatile unsigned long*)MCCTL;
      #define READ_QAR(v)    	v=*(volatile unsigned long*)QAR;
      #define READ_VADR(v)		v=*(volatile unsigned long*)VADR;
      #define READ_BADR(v)		v=*(volatile unsigned long*)BADR;
      #define READ_VOP0(v)  	v=*(volatile unsigned long*)VOP0;
      #define READ_CPSTS(v)		v=*(volatile unsigned long*)CPSTS;
      #define READ_BALR(v)		v=*(volatile unsigned long*)BALR;
      #define READ_VLDCTL(v)    v=*(volatile unsigned long*)VLDCTL;
      #define READ_VLASTWORD(v)	v=*(volatile unsigned long*)VLASTWORD;
      #define READ_VLDSTS(v)	v=*(volatile unsigned long*)VLDSTS;	//ABF clean
      #define READ_ABADR(v)		v=*(volatile unsigned long*)ABADR;
      #ifdef USE_INTERNAL_CPU
        #define READ_INCTL(v)   v=*(volatile unsigned long*)INCTL;
      #endif
	
      #define SET_MCUBR(v)		*(volatile unsigned long*)MCUBR=v;
      #define SET_MECADDR(v) 	*(volatile unsigned long*)MECADDR=v; // mainly used for setting debugging marker during RTL simulation , note that MECADDR[3:0] is ignored	
      #define SET_MCCTL(v)		*(volatile unsigned long*)MCCTL=v;
      #define SET_MCCADDR(v)	*(volatile unsigned long*)MCCADDR=v;
      #ifdef USE_INTERNAL_CPU
        #define SET_MEIADDR(v)  *(volatile unsigned long*)MEIADDR=v; // mainly used for setting debugging marker during RTL simulation , note that MEIADDR[2:0] is ignored
      #endif
      #define SET_CPSTS(v)		*(volatile unsigned long*)CPSTS=v;
      #define SET_MCUTIR(v)		*(volatile unsigned long*)MCUTIR=v;
      #define SET_PYDCR(v)		*(volatile unsigned long*)PYDCR=v;
      #define SET_PUVDCR(v)		*(volatile unsigned long*)PUVDCR=v;
      #define SET_QAR(v)		*(volatile unsigned long*)QAR=v;
      #define SET_CKR(v)		*(volatile unsigned long*)CKR=v;
      #define SET_VADR(v)		*(volatile unsigned long*)VADR=v;
      #define SET_BADR(v)		*(volatile unsigned long*)BADR=v;
      #define SET_BALR(v)		*(volatile unsigned long*)BALR=v;
      #define SET_MCIADDR(v)	*(volatile unsigned long*)MCIADDR=v;
      #define SET_VLDCTL(v)		*(volatile unsigned long*)VLDCTL=v;
      #define SET_VOP0(v)  		*(volatile unsigned long*)VOP0=v;
      #define SET_SCODE(v)  	*(volatile unsigned long*)SCODE=v;
      #define SET_ABADR(v)		*(volatile unsigned long*)ABADR=v;
      #ifdef USE_INTERNAL_CPU  
        #define SET_INCTL(v)    *(volatile unsigned long*)INCTL=v; 
      #endif   		    
    #else
      #error "Please define the hardware core version (either CORE_VERSION_1 or CORE_VERSION_2)"
    #endif
	
//---------------------------------------------------------------------------
/* read n bits from bitstream */
static unsigned int __inline BitstreamGetBits(j_decompress_ptr cinfo,unsigned int bitlen)
{  
  unsigned int v;
  FTMCP100_CODEC *pCodec=(FTMCP100_CODEC *)cinfo->pCodec;

  READ_BADR(v) 
  SET_BALR(bitlen)

  return (v >> (32-bitlen));
}

EXTERN(void) ftmcp100_set_mcu_dma_params JPP((j_decompress_ptr cinfo));
EXTERN(void) ftmcp100_set_mcu_dma_noninterleaved_params JPP((j_decompress_ptr cinfo));
EXTERN(void) ftmcp100_dump_yuv JPP((j_decompress_ptr cinfo));
EXTERN(void) generate_dma_chain_table JPP((j_decompress_ptr cinfo,unsigned int MCU_col_num,int buf_descriptor));
EXTERN(void) generate_dma_noninterleaved_chain_table  JPP((j_decompress_ptr cinfo,unsigned int MCU_col_num,unsigned int MCU_row_num,int buf_descriptor));
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
//#ifdef HUFFTBL_BUILD
// copied from GZIP source codes
/* Huffman code lookup table entry--this entry is four bytes for machines
   that have 16-bit pointers (e.g. PC's in the small or medium model).
   Valid extra bits are 0..13.  e == 15 is EOB (end of block), e == 16
   means that v is a literal, 16 < e < 32 means that v is a pointer to
   the next table, which codes e - 16 bits, and lastly e == 99 indicates
   an unused code.  If a code with e == 99 is looked up, this implies an
   error in the data. */
struct huft {
  //unsigned char e;                /* number of extra bits or operation */
  //unsigned char b;                /* number of bits in this code or subcode */
  //union {
  //  unsigned short n;              /* literal, length base, or distance base */
  //  struct huft *t;     /* pointer to next level of table */
  //} v;

  // leo's fields  
  struct huft *nextpt; /* pointer to next level of table */
  unsigned int tblsize; /* the size of table, indicating the number of entry */
  unsigned int tbl:1; /* indicate it's table entry or data entry */
  unsigned int valid:1; /* indicate it is empty entry or valid data entry */
  unsigned int codelen:3; /* indicate the code length of codeword that current entry represents */
  union {
    unsigned int value:8;  /* indicate the value if it is a data entry */
    unsigned int offset:10; /* indicate the offset of next table */
  } data;
};

/* If BMAX needs to be larger than 16, then h and x[] should be ulg. */
#define BMAX 16         /* maximum bit length of any code (16 for explode) */
#define N_MAX 256       /* maximum number of codes in any set */

//unsigned *b;            /* code lengths in bits (all assumed <= BMAX) */
//unsigned n;             /* number of codes (assumed <= N_MAX) */
//unsigned s;             /* number of simple-valued codes (0..s-1) */
//unsigned *v;            /* added by Leo, the array of huffman value */
//unsigned *ct;           /* added by Leo, the table of huffman codeword */
//ush *d;                 /* list of base values for non-simple codes */
//ush *e;                 /* list of extra bits for non-simple codes */
//struct huft **t;        /* result: starting table */
//int *m;                 /* maximum lookup bits, returns actual */
EXTERN(int) huft_build(j_decompress_ptr cinfo,unsigned *b,unsigned n,unsigned s,unsigned int *v,unsigned int *ct,unsigned short *d, unsigned short *e, struct huft **t, int *m);
//EXTERN(int) huft_free(struct huft *t);         /* table to free */

/*
 *   To transform the original Huffman table in JPEG header to a Huffman Multi-Level Table
 *   for hardware VLD engine and store the transformed Huffman Multi-Level Table to 
 *   FTMCP100 Media Coprocessor's local memory or to a local file.
 *   And we also set the first lookahead bit length for each huffman table (DC0,DC1,AC0,AC1)
 *   by using VOP0 register in FTMC100 Media Coprocessor.
 *
 */
EXTERN(void) ftmcp100_store_multilevel_huffman_table JPP((j_decompress_ptr cinfo));
extern FILE *huffman_table_file;
//#endif

#ifndef USE_INTERNAL_CPU
  EXTERN(int) decompress_noninterleaved_data JPP((j_decompress_ptr cinfo, JSAMPIMAGE output_buf));
#endif
EXTERN(boolean) processing_restart_marker JPP((j_decompress_ptr cinfo));
EXTERN(void) decrement_restart_interval JPP((j_decompress_ptr cinfo));
EXTERN(int) check_restart_marker JPP((j_decompress_ptr cinfo));
EXTERN(void) update_next_restart_number JPP((j_decompress_ptr cinfo));
EXTERN(int) get_restart_action JPP((j_decompress_ptr cinfo));
EXTERN(void) reset_previous_DC JPP((j_decompress_ptr cinfo));


#ifdef USE_INTERNAL_CPU

  #ifdef RTL_PLATFORM
    // note that only MEIADDR[10:3] is valid fields
    #define ENTER_JPEG_READ_SCANLINES   SET_MEIADDR(0x000) 
    #define EXIT_JPEG_READ_SCANLINES    SET_MEIADDR(0x001<<3) 
  
    #define ENTER_PROCESS_DATA_SIMPLE_MAIN SET_MEIADDR(0x002<<3) 
    #define EXIT_PROCESS_DATA_SIMPLE_MAIN   SET_MEIADDR(0x003<<3) 
    #define ENTER_PROCESS_DATA_CONTEXT_MAIN SET_MEIADDR(0x004<<3) 
    #define EXIT_PROCESS_DATA_CONTEXT_MAIN   SET_MEIADDR(0x005<<3) 
  
    #define ENTER_DECOMPRESS_ONEPASS  SET_MEIADDR(0x006<<3) 
    #define EXIT_DECOMPRESS_ONEPASS   SET_MEIADDR(0x007<<3)  
    #define ENTER_DECOMPRESS_DATA  SET_MEIADDR(0x008<<3) 
    #define EXIT_DECOMPRESS_DATA   SET_MEIADDR(0x009<<3) 
  
    #define POLL_EXTERNAL_CPU_RESPONSE_START  SET_MEIADDR(0x00a<<3) 
    #define POLL_EXTERNAL_CPU_RESPONSE_END   SET_MEIADDR(0x00b<<3)  
  #else
    #define ENTER_JPEG_READ_SCANLINES
    #define EXIT_JPEG_READ_SCANLINES
  
    #define ENTER_PROCESS_DATA_SIMPLE_MAIN
    #define EXIT_PROCESS_DATA_SIMPLE_MAIN
    #define ENTER_PROCESS_DATA_CONTEXT_MAIN
    #define EXIT_PROCESS_DATA_CONTEXT_MAIN
  
    #define ENTER_DECOMPRESS_ONEPASS
    #define EXIT_DECOMPRESS_ONEPASS
    #define ENTER_DECOMPRESS_DATA
    #define EXIT_DECOMPRESS_DATA
  
    #define POLL_EXTERNAL_CPU_RESPONSE_START
    #define POLL_EXTERNAL_CPU_RESPONSE_END  
  #endif

#else // else of #ifdef USE_INTERNAL_CPU
  #ifdef RTL_PLATFORM
    // note that only MECADDR[10:4] is valid fields
    #define POLL_DMA_DONE_START_MARKER   SET_MECADDR(0x0000)
    #define POLL_DMA_DONE_END_MARKER     SET_MECADDR(0x0010)
  
    #define POLL_MC_DONE_START_MARKER    SET_MECADDR(0x0020)
    #define POLL_MC_DONE_END_MARKER      SET_MECADDR(0x0030)
  
    #define POLL_VLD_DONE_START_MARKER   SET_MECADDR(0x0040)
    #define POLL_VLD_DONE_END_MARKER     SET_MECADDR(0x0050)
  
  #else

    #define POLL_DMA_DONE_START_MARKER
    #define POLL_DMA_DONE_END_MARKER
  
    #define POLL_MC_DONE_START_MARKER
    #define POLL_MC_DONE_END_MARKER
  
    #define POLL_VLD_DONE_START_MARKER
    #define POLL_VLD_DONE_END_MARKER

  #endif

#endif // end of #ifdef USE_INTERNAL_CPU
#ifdef LINUX
#define FA526_DrainWriteBuffer()
#define FA526_CleanInvalidateDCacheAll()
#else
static __inline void FA526_DrainWriteBuffer(void)
{
  unsigned int tmp=0;
  __asm  { MCR  p15,0,tmp,c7,c10,4 }
}

static __inline void FA526_CleanInvalidateDCacheAll()
{
  unsigned int tmp=0;
  __asm  { MCR  p15,0,tmp,c7,c14,0 }
}
#endif
#endif