sdio_protocol.h

TI的DM6446的硬件平台搭建的相关例子

/*
    DaVinci ARM Evaluation Software

    (c)Texas Instruments 2004
*/

/** \defgroup SDIO SDIO Protocol module*/
/*@{*/

/** \file  sdio_protocol.h
     \brief SDIO Related header, which is protocol specific
     \note Also refer to Davinci Register Manual & SDIO Specification Version 1.0, for details
*/

#ifndef _SDIO_PROTOCOL_H_
#define _SDIO_PROTOCOL_H_

/* SDIO Specific Commands & Expected Responses */

#define SDIO_INIT                    (MMCSD_CMD5|MMCSD_RSP4|MMCSD_BSYEXP)
#define SDIO_RW_DIRECT        (MMCSD_CMD52|MMCSD_RSP5)
#define SDIO_RW_EXTENDED   (MMCSD_CMD53|MMCSD_RSP5)

/* SDIO interface registers settings & bit patterns */
#define SDIO_RDWTCR                       1
#define SDIO_RDWTRQ	                      1
#define SDIO_INT_ENABLE                   0x0003
#define SDIO_CCCR_IO_ABORT                0x06
#define SDIO_CCCR_BUSIF_CTL               0x07
#define SDIO_RESET                        0x08
#define SDIO_MBIO                         0x01
#define SDIO_FN0_LSB                      0x10
#define SDIO_FN0_MSB                      0x11
#define SDIO_CCCR_CARD_CAPABILITY         0x08
#define SDIO_CCCR_FS                      0x0D
#define SDIO_CCCR_BUSSUSPEND              0x0C
#define SDIO_CCCR_IEN                     0x04


/* Function Prototypes */
STATUS SDIO_sendInitCommand(Uint32 voltageWindow, Uint32 opTimeOut);
STATUS SDIO_goIdleState(void);
STATUS SDIO_readDirect(Uint8* data,  Uint32 fnNumber, Uint32 regAddress);
STATUS SDIO_writeDirect(Uint8 data, Uint16 rawFlag, Uint32 fnNumber, Uint32  regAddress);
STATUS SDIO_readExtended(Uint16 blockFlag, Uint16 locationFlag, Uint32 regAddress, Uint16 count, Uint16 fnNumber, Uint32* buffer,
	                           Uint32 blkLength, DM_BOOL dmaEnable, Uint32 endian, Uint16 openLoopFlag,Uint32 cardMemAddr);
STATUS SDIO_writeExtended(Uint16 blockFlag, Uint16 locationFlag, Uint32 regAddress, Uint16 count, Uint16 fnNumber, Uint32* buffer,
	                             Uint32 blkLength, DM_BOOL dmaEnable, Uint32 endian, Uint16 openLoopFlag,Uint32 cardMemAddr);
STATUS SDIO_setBlockSize(Uint16 fnNumber, Uint32 blockSize);
STATUS SDIO_stopTransmission(Uint32 fnNumber);
STATUS SDIO_setBusWidth(Uint16 busWidth);
STATUS SDIO_intEnable(void);
STATUS SDIO_readCSAData(int count, Uint32 fnNumber, Uint32 address, Uint32* buffer,Uint32 cardMemAddr);
STATUS SDIO_writeCSAData(int count, Uint32 fnNumber, Uint32 address, Uint32* buffer,Uint32 cardMemAddr);
STATUS SDIO_suspendFn(Uint32 fnNumber);
STATUS SDIO_resumeFn(Uint32 fnNumber);

#endif  /* _SDIO_PROTOCOL_H_  */

/* Rev.No.   Date/Time               ECN No.          Modifier      */
/* -------   ---------               -------          --------      */

/* 1         24 Jun 2004 14:41:01    1864             xjarlika      */
/*                                                                  */
/* Checking in MMCSD drv include and src files                      */
/********************************************************************/