mfcconfig.h

s3c6400 video code,you play video smooth with it,it is hardware codec

#ifndef __SAMSUNG_SYSLSI_APDEV_MFC_CONFIG_H__
#define __SAMSUNG_SYSLSI_APDEV_MFC_CONFIG_H__


#include <linux/version.h>
#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,16)
#include <asm/arch-s3c64xx/reserved_mem.h>
#else
#include <asm/arch-s3c2410/reserved_mem.h>
#endif


// Physical Base Address for the MFC Host I/F Registers
#define S3C6400_BASEADDR_MFC_SFR			0x7e002000


// Physical Base Address for the MFC Shared Buffer
//   Shared Buffer = {CODE_BUF, WORK_BUF, PARA_BUF}
#define S3C6400_BASEADDR_MFC_BITPROC_BUF	MFC_RESERVED_MEM_START


// Physical Base Address for the MFC Data Buffer
//   Data Buffer = {STRM_BUF, FRME_BUF}
#define S3C6400_BASEADDR_MFC_DATA_BUF		(MFC_RESERVED_MEM_START + 0x116000)



// Physical Base Address for the MFC Host I/F Registers
#define S3C6400_BASEADDR_POST_SFR			0x77000000



//////////////////////////////////
/////                        /////
/////    MFC BITPROC_BUF     /////
/////                        /////
//////////////////////////////////
//the following three buffers have fixed size
//firware buffer is to download boot code and firmware code
#define MFC_CODE_BUF_SIZE	81920	// It is fixed depending on the MFC'S FIRMWARE CODE (refer to 'Prism_S_V133.h' file)

//working buffer is uded for video codec operations by MFC
#define MFC_WORK_BUF_SIZE	1048576 // 1024KB = 1024 * 1024


//Parameter buffer is allocated to store yuv frame address of output frame buffer.
#define MFC_PARA_BUF_SIZE	8192  //Stores the base address of Y , Cb , Cr for each decoded frame

#define MFC_BITPROC_BUF_SIZE		\
							(	MFC_CODE_BUF_SIZE + \
								MFC_PARA_BUF_SIZE    + \
								MFC_WORK_BUF_SIZE)


///////////////////////////////////
/////                         /////
/////      MFC DATA_BUF       /////
/////                         /////
///////////////////////////////////
#define MFC_NUM_INSTANCES_MAX	2	// MFC Driver supports 4 instances MAX.

// Determine if 'Post Rotate Mode' is enabled.
// If it is enabled, the memory size of SD YUV420(720x576x1.5 bytes) is required more.
// In case of linux driver, reserved buffer size will be changed.
#define MFC_ROTATE_ENABLE		0

#define MFC_LINE_RING_SHARE		0	// Determine if the LINE_BUF is shared with RING_BUF

#if (MFC_LINE_RING_SHARE == 1)

/*
 * stream buffer size must be a multiple of 512bytes 
 * becasue minimun data transfer unit between stream buffer and internal bitstream handling block 
 * in MFC core is 512bytes
 */
#define MFC_LINE_BUF_SIZE_PER_INSTANCE		(204800)


#define MFC_LINE_BUF_SIZE		(MFC_NUM_INSTANCES_MAX * MFC_LINE_BUF_SIZE_PER_INSTANCE)
#define MFC_RING_BUF_SIZE		(MFC_LINE_BUF_SIZE)		// RING_BUF_SIZE is same because it is shared with LINE_BUF
#define MFC_FRAM_BUF_SIZE		(720*480*3*4)


#define MFC_RING_BUF_PARTUNIT_SIZE			(MFC_LINE_BUF_SIZE / 3)	// RING_BUF consists of 3 PARTs.

#define MFC_STRM_BUF_SIZE		(MFC_LINE_BUF_SIZE)
#define MFC_DATA_BUF_SIZE		(MFC_STRM_BUF_SIZE + MFC_FRAM_BUF_SIZE)

#elif (MFC_LINE_RING_SHARE == 0)


/*
 * stream buffer size must be a multiple of 512bytes 
 * becasue minimun data transfer unit between stream buffer and internal bitstream handling block 
 * in MFC core is 512bytes
 */
#define MFC_LINE_BUF_SIZE_PER_INSTANCE		(204800)


#define MFC_LINE_BUF_SIZE		(MFC_NUM_INSTANCES_MAX * MFC_LINE_BUF_SIZE_PER_INSTANCE)

#define MFC_RING_BUF_SIZE		((204800)  *  3)		// 768,000 Bytes
#define MFC_FRAM_BUF_SIZE		(3732480)

#define MFC_RING_BUF_PARTUNIT_SIZE			(MFC_RING_BUF_SIZE / 3)	// RING_BUF consists of 3 PARTs.

#define MFC_STRM_BUF_SIZE		(MFC_LINE_BUF_SIZE + MFC_RING_BUF_SIZE)
#define MFC_DATA_BUF_SIZE		(MFC_STRM_BUF_SIZE + MFC_FRAM_BUF_SIZE)

#endif


#if (MFC_RING_BUF_PARTUNIT_SIZE & 0x1FF)
#error "MFC_RING_BUF_PARTUNIT_SIZE value must be 512-byte aligned."
#endif

#endif /* __SAMSUNG_SYSLSI_APDEV_MFC_CONFIG_H__ */