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   1 #ifndef _VIDEO_DCT_P6_H_
   2 #define _VIDEO_DCT_P6_H_
   3
   4 // #include <VP_Os/vp_os_types.h>
   5 #include <VLIB/video_dct.h>
   6
   7 ////////////////////////////////////////////////////
   8 // Parrot proprietary DCT registers
   9 ////////////////////////////////////////////////////
  10
  11 // Parrot DCT address: 0xD00B0000
  12 #define DCT_STATUS              0x000       // Status Register
  13 #define DCT_ITEN                0x004       // Interrupt Enable Register
  14 #define DCT_ITACK               0x008       // Interrupt Acknowledge Register
  15 #define DCT_CONTROL             0x040       // Control Register
  16 #define DCT_DMA                 0x010       // Dma Register
  17 #define DCT_DMAINT                              0x02C
  18 #define DCT_RESET                               0x03C
  19 #define DCT_START                               0x00C
  20 #define DCT_CONFIG                              0x028
  21 #define DCT_ORIG_Y_ADDR         0x044       // Address Register
  22 #define DCT_ORIG_CU_ADDR        0x048       // Address Register
  23 #define DCT_ORIG_CV_ADDR        0x04C       // Address Register
  24 #define DCT_DEST_Y_ADDR         0x050       // Address Register
  25 #define DCT_DEST_CU_ADDR        0x054       // Address Register
  26 #define DCT_DEST_CV_ADDR        0x058       // Address Register
  27 #define DCT_LINEOFFSET          0x05C       // Line size
  28 #define DCT_Q_ADDR                              0x064           // quantization table
  29 //#define DCT_DEBUG               0x030?       // Debug register
  30 //#define DCT_SIGNATURE           0x034?       // Signature Register
  31
  32
  33 // Registers bitwise definitions
  34 // Status register
  35 #define DCT_STATUS_END_OK    (1<<0)        // DCT Done
  36 //#define DCT_STATUS_ERROR     (1<<1)        // DCT Error ?
  37
  38 // Interrupt enable register
  39 #define DCT_ITEN_END_OK      (1<<0)        // IT Done enable
  40 //#define DCT_ITEN_ERROR       (1<<1)        // IT Error enable ?
  41
  42 // Interrupt Acknowledge register
  43 #define DCT_ITACK_END_OK     (1<<0)        // IT Done acknowledge
  44 //#define DCT_ITACK_ERROR      (1<<1)        // IT Error acknowledge ?
  45
  46 // DCT control mode (forward or inverse dct)
  47 #define DCT_CTRLMODE_FDCT     0
  48 #define DCT_CTRLMODE_IDCT     1
  49
  50
  51 //! write to a DCT register
  52 #define dct_write_reg( _reg_, _value_ ) \
  53  (*((volatile CYG_WORD32 *)(PARROT5_DCT +(_reg_))) = (CYG_WORD32)(_value_))
  54
  55 //! read a DCT register
  56 #define dct_read_reg(_reg_ ) \
  57  (*((volatile CYG_WORD32 *)(PARROT5_DCT+(_reg_))))
  58
  59 typedef enum {
  60   DCT_DMA_INCR    = 0,                    //!<  4 bytes DMA burst
  61   DCT_DMA_INCR4   = 1,                    //!< 16 bytes DMA burst
  62   DCT_DMA_INCR8   = 2,                    //!< 32 bytes DMA burst
  63   DCT_DMA_INCR16  = 3,                    //!< 64 bytes DMA burst
  64 } DCT_DMA_BURST_MODE;
  65
  66 C_RESULT video_dct_p6_init(void);
  67 C_RESULT video_dct_p6_close(void);
  68
  69 C_RESULT video_dct_p6p_init(void);
  70
  71
  72 int16_t* video_fdct_quant_compute(int16_t* in, int16_t* out, int32_t num_macro_blocks,int32_t quant);
  73 //int16_t* video_idct_compute(int16_t* in, int16_t* out, int32_t num_macro_blocks);
  74
  75 #endif // ! _VIDEO_DCT_P6P_H_