adv601.h

视频601芯片的驱动源码,你可以完全掌控该芯片了,对于其它多媒体芯片的设计具有参考价值

/*------------------------------------------------------------------------

$Workfile: ADV601.H $
$Date: 1/07/97 6:34p $
$Revision: 16 $
* Purpose:	
*			Header for ADV601 Wavelet Compression Chip.			
* Notes:    Bit and Register Definitions take from ADV601 data sheet
*           of Jan 1996.   
*
$History: ADV601.H $
 * 
 * *****************  Version 16  *****************
 * User: Stevel       Date: 1/07/97    Time: 6:34p
 * Updated in $/601cman
 * Add new function prototype read_fifo_thre_file().
 * 
 * *****************  Version 15  *****************
 * User: Dstarr       Date: 10/08/96   Time: 9:53a
 * Updated in $/601cman
 * Support DSP bin width calc bit in the ADV601 mode control register.  
 * 
 * *****************  Version 14  *****************
 * User: Dstarr       Date: 8/07/96    Time: 1:26p
 * Updated in $/601cman
 * Support Phillips mode
 * 
 * *****************  Version 13  *****************
 * User: Dstarr       Date: 8/05/96    Time: 10:08a
 * Updated in $/601test
 * Add ADV601 hardware revision level register definition and the mem_err
 * bit definitions.
 * 
 * *****************  Version 12  *****************
 * User: Stevel       Date: 6/23/96    Time: 9:26p
 * Updated in $/601cman
 * Add changes to support run time Bin Width Calculation.
 * 
 * *****************  Version 11  *****************
 * User: Stevel       Date: 6/06/96    Time: 1:47p
 * Updated in $/601cman
 * Change wavelet_init() function prototype.
 * 
 * *****************  Version 10  *****************
 * User: Dstarr       Date: 5/29/96    Time: 9:51a
 * Updated in $/601test
 * Fixup TEST_RAM_ to set the fifo threshold to "soon as possible" mode
 * (ASAP mode).
 * 
 * *****************  Version 9  *****************
 * User: Dstarr       Date: 5/29/96    Time: 8:33a
 * Updated in $/601cman
 * Add new function dma_init()
 * 
 * *****************  Version 8  *****************
 * User: Stevel       Date: 4/15/96    Time: 7:49p
 * Updated in $/601cman
 * Add new constant for ADV601 master and unicolor mode.
 * 
 * *****************  Version 7  *****************
 * User: Stevel       Date: 4/09/96    Time: 7:36p
 * Updated in $/601cman
 * Add new constant for VxD.
 * 
 * *****************  Version 6  *****************
 * User: Dstarr       Date: 4/05/96    Time: 11:52a
 * Updated in $/601test
 * Add adv601 test register, define symbol for ADV601 fifo size and the
 * fifo test bit.
 * 
 * *****************  Version 5  *****************
 * User: Stevel       Date: 3/18/96    Time: 9:13p
 * Updated in $/601cman
 * Add new constants for VxD
 * 
 * *****************  Version 4  *****************
 * User: Dstarr       Date: 3/13/96    Time: 5:08p
 * Updated in $/601cman
 * Checked out in lab. 601test plays beauty thru DLL.  Defines all
 * dll objects as dllimport.  
 * 
 * *****************  Version 3  *****************
 * User: Stevel       Date: 3/11/96    Time: 7:34p
 * Updated in $/601cman
 * Rename bw_calulator_input() to bw_calculator_input().
 * 
 * *****************  Version 1  *****************
 * User: Stevel       Date: 3/06/96    Time: 7:53p
 * Created in $/601cman
 * Initial release

  
    This code and information is provided "as is" without warranty of any
    kind, either expressed or implied, including but not limited to the
    implied warranties of merchantability and/or fitness for a particular
    purpose.
  
    1996 Analog Devices, Inc. 
  
-------------------------------------------------------------------------*/
#include	"globsym.h"

#define LINKTODLL __declspec(dllimport)

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 	ADV601 Write SubAddress
//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#define		ADV601_WR_MdCtl		0x0000
#define		ADV601_WR_FIFOCtl	0x0001
#define		ADV601_WR_Hstart	0x0002
#define		ADV601_WR_Hend		0x0003
#define		ADV601_WR_Vstart	0x0004
#define		ADV601_WR_Vend		0x0005
#define		ADV601_WR_CmpRatio	0x0006
#define		ADV601_WR_RBW0		0x0100
#define		ADV601_WR_BW		0x0101
#define     ADV601_WR_TestReg   0x0180  /* Write 1 for back end test mode */
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 	ADV601 Read SubAddress
//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#define		ADV601_RD_RevReg	0x0040  /* Undocumented register */
#define		ADV601_RD_SumOfSq0	0x0080
#define		ADV601_RD_SumOfY	0x00AA
#define		ADV601_RD_SumOfCb	0x00AB
#define		ADV601_RD_SumOfCr	0x00AC
#define		ADV601_RD_MinOfY	0x00AD
#define		ADV601_RD_MaxOfY	0x00AE
#define		ADV601_RD_MinOfCb	0x00AF
#define		ADV601_RD_MaxOfCb	0x00B0
#define		ADV601_RD_MinOfCr	0x00B1
#define		ADV601_RD_MaxOfCr	0x00B2

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 	Interrupt Mask Bits.  From Jan 96 ADV601 data sheet Pg 18
//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#define		ADV601_IE_CCIRER		0x0100
#define		ADV601_IE_STATSR		0x0200
#define		ADV601_IE_LCODE			0x0400
#define		ADV601_IE_FIFOSRQ		0x0800
#define		ADV601_IE_FIFOERR		0x1000
#define		ADV601_IE_FIFOSTP		0x2000
#define		ADV601_IE_MEMERR		0x4000 /* Undocumented Bit */


//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 	Interrupt Status Bits.  From Jan 96 ADV601 data sheet Pg 18
//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#define		ADV601_CCIRER			0x0001
#define		ADV601_STATSR			0x0002
#define		ADV601_LCODE			0x0004
#define		ADV601_FIFOSRQ			0x0008
#define		ADV601_FIFOERR			0x0010
#define		ADV601_FIFOSTP			0x0020
#define		ADV601_MEMERR           0x40 /* Undocumented Bit */

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 	FIFO condition to generate Interrupt for encode/decode
//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#define		ADV601_NFS_32FILLED		0x0001	// for encode only
#define		ADV601_NFS_HALF			0x0008	// for encode only
#define		ADV601_NFS_32LEFT		0x000F	// for encode only

#define		ADV601_NES_32FILLED		0x0010	// for decode only
#define		ADV601_NES_HALF			0x0080	// for decode only
#define		ADV601_NES_32LEFT		0x00F0	// for decode only

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 	Structures
//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
typedef struct tagADV601_REG
{
	word	mode_ctl;			// Video format (CCIR656, Philips ...)	
	word	fifo_ctl;			// FIFO Control
	word	hstart;				// Pixel start of the active video (10 bits)
	word	hend;				// Pixel end of the active video (10 bits)
	word	vstart;				// Lines start of the active video (10 bits)
	word	vend;				// Lines End of the active video (10 bits)
	word	compratio;			// Compression ratio for DSP
								// Byte 2-3: Interrupt mask
} ADV601_REG;

#define ALL601REGS (sizeof(ADV601_REG)/2)
#define FIFOSIZ_601 512         		/* No. of long words in ADV601 FIFO */
#define	FIFO_THRESHOLD		0xF1 		// ADV601 FIFO threshold 

/*  Main Ctl & Stat Reg bits    */

    /* Video Interface Format (VIF) codes for bits 0-3 */

#define	CCIR_656			0           /* Sync embedded in video data */
#define MLTPX               2           /* Multiplex Phillips mode video */
#define PLAIN_PHILLIPS      3           /* Drive Luma & Chroma in parallel */
#define GRAY_SCALE          8           /* 12 bit Black & White Video  */

    /* Other Control bits in the MCSR       */

#define VCLK2               0x10        /* Div VCLK by 2 for Plain Phillips & grayscale*/
#define MASTER_601			0x0020      /* ADV601 drives H&V sync */
#define	PAL_601				0x40        /* Clear this bit for NTSC */
#define	ENCODE_601			0x80        /* Clear this bit for DECODE */
#define UNI_COLOR_601		0x0200
#define DSP_601             0x400       /* DSP on serial port does BWC */
#define	RESET_601			0x800
#define SWR_601				0x0800
#define PHSYNC              0x1000      /* Set if hsync is active low */
#define HIRQ_ACT_HI_601		0x2000

/* fifo ctl register bits    */

#define FIFO_RAM_TEST       0x1F1       /* Put FIFO into test mode */

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 	Function prototypes
//
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
LINKTODLL int	wavelet_init(int video_format, 
							 int direction, 
							 byte fifo_threshold, 
							 EV601 * ptr2ptrs,
							 word * bwc_array);

LINKTODLL int read_wavelet_chip(void * hisptr, int subaddr,int nreg );
LINKTODLL int rite_wavelet_chip(void * hisptr, int subaddr,int nreg );
LINKTODLL int bw_calculator_input(BWCinput *  pBWCin, dword * VxD_StatsBuf);
LINKTODLL int bw_calculator_output(BWCoutput *  pBWCout
                                   , dword * VxD_BWCoeffBuf);
LINKTODLL int dma_init(dword * bufptr, int bufsiz,int direction
                       , EV601 * ptr2ptrs );
LINKTODLL int read_fifo_thre_file(char *fname, byte * thre);

LINKTODLL  ADV601_REG	init_601;/* let diags see initial values	*/