/******************************************************************************\*           Copyright (C) 1999-2000 Texas Instruments Incorporated.*                           All Rights Reserved*------------------------------------------------------------------------------* FILENAME...... csl_i2c.h* DATE CREATED.. 06/11/1999 * LAST MODIFIED. 08/02/2004 - Adding support for C6418*                13/03/2002 - added I2C_outOfReset()*                01/08/2003 - Removing unused variable 'I2C_isrDispatchTable[6]'\******************************************************************************/#ifndef _CSL_I2C_H_#define _CSL_I2C_H_#include <csl_chip.h>#include <csl_irq.h>#include <csl_i2chal.h>/* defining i2cimr as i2cier for backward compatibility */#define i2cimr i2cier#if (I2C_SUPPORT)/******************************************************************************\* scope and inline control macros\******************************************************************************/#ifdef __cplusplus#define CSLAPI extern "C" far#else#define CSLAPI extern far#endif#undef  USEDEFS#undef  IDECL#undef  IDEF#ifdef  _I2C_MOD_  #define IDECL CSLAPI  #define USEDEFS  #define IDEF#else  #ifdef  _INLINE    #define IDECL static inline    #define USEDEFS    #define IDEF  static inline  #else    #define IDECL CSLAPI  #endif#endif/******************************************************************************\* global macro declarations\******************************************************************************//* I2C_open() flags */#define I2C_OPEN_RESET     (0x00000001)/* device identifiers for I2C_open() */#if (CHIP_6713 | CHIP_DA610 | CHIP_6413 | CHIP_6418 | CHIP_6410)  #define I2C_DEV0           (0)  #define I2C_DEV1           (1)#endif#if (CHIP_DM642 | CHIP_DM641 | CHIP_DM640 | CHIP_6412)  #define I2C_DEV0           (0)#endif/* device identifiers for I2C_open() */#if (CHIP_6713 | CHIP_DA610 | CHIP_6413 | CHIP_6418 | CHIP_6410)  #define I2C_PORT0          I2C_DEV0  #define I2C_PORT1          I2C_DEV1#endif#if (CHIP_DM642 | CHIP_DM641 | CHIP_DM640 | CHIP_6412)  #define I2C_PORT0           I2C_DEV0#endif/* error codes */#define I2C_ERR_ALLOC	        (0x00000000) #define I2C_ERR_INVALID_HANDLE  (0x00000001) #define I2C_EVT_AL      0x01     // Arbitration win/lose#define I2C_EVT_NACK    0x02     // No acknowledgement #define I2C_EVT_ARDY    0x03     // register access ready#define I2C_EVT_ICRRDY  0x04     // receive data ready#define I2C_EVT_ICXRDY  0x05     // transmit data ready#if (CHIP_6413 | CHIP_6418 | CHIP_6410)  #define I2C_EVT_SCD     0x06     // stop condition detect   #define I2C_EVT_AAS     0x07     // address as slave#endif/******************************************************************************\* global typedef declarations\******************************************************************************//* device handle object */typedef struct {  Uint32 allocated;  Uint32 eventId;  volatile Uint32 *baseAddr;  Uint32 i2cdrrAddr;  Uint32 i2cdxrAddr;} I2C_Obj, *I2C_Handle;/* device configuration structure */typedef struct {	Uint32 i2coar;	Uint32 i2cier;	Uint32 i2cclkl;	Uint32 i2cclkh;	Uint32 i2ccnt;	Uint32 i2csar;	Uint32 i2cmdr;	Uint32 i2cpsc;#if (CHIP_6413 | CHIP_6418 | CHIP_6410)        Uint32 i2cemdr;        Uint32 i2cpfunc;        Uint32 i2cpdir;#endif    } I2C_Config;typedef struct {	Uint32 addrmode;        /* 7 or 10 bit address mode */	Uint32 ownaddr;         /* don't care if master */	Uint32 sysinclock;      /* clkout value (Mhz)  */	Uint32 rate;            /* a number between 10 and 400 in kbps*/	Uint32 bitbyte;         /* number of bits/byte to be received or transmitted */	Uint32 dlb;             /* digital loopback mode */	Uint32 free;	        /* free mode */} I2C_Init;/******************************************************************************\* global variable declarations\******************************************************************************//******************************************************************************\* global function declarations\******************************************************************************/CSLAPI void I2C_reset(I2C_Handle hI2c);CSLAPI void I2C_resetAll();CSLAPI I2C_Handle I2C_open(int devNum, Uint32 flags);CSLAPI void I2C_close(I2C_Handle hI2c);//CSLAPI void I2C_init(I2C_Init *init);/******************************************************************************\* inline function declarations\******************************************************************************/IDECL Uint32 I2C_getXmtAddr(I2C_Handle hI2c);IDECL Uint32 I2C_getRcvAddr(I2C_Handle hI2c);IDECL Uint32 I2C_getEventId(I2C_Handle hI2c);IDECL Uint32 I2C_rfull(I2C_Handle hI2c);IDECL Uint32 I2C_rrdy(I2C_Handle hI2c);IDECL Uint32 I2C_xempty(I2C_Handle hI2c);IDECL Uint32 I2C_xrdy(I2C_Handle hI2c);IDECL Uint32 I2C_bb(I2C_Handle hI2c);IDECL void I2C_writeByte(I2C_Handle hI2c, Uint8 val);IDECL Uint8 I2C_readByte(I2C_Handle hI2c);IDECL void I2C_sendStop(I2C_Handle hI2c);IDECL void I2C_start(I2C_Handle hI2c);IDECL void I2C_outOfReset(I2C_Handle hI2c);IDECL Uint32 I2C_intClear(I2C_Handle hI2c);IDECL void I2C_intClearAll(I2C_Handle hI2c);IDECL void I2C_intEvtEnable(I2C_Handle hI2c,Uint32 maskFlag);IDECL void I2C_intEvtDisable(I2C_Handle hI2c,Uint32 unmaskFlag);IDECL void I2C_config(I2C_Handle hI2c,I2C_Config *config);#if (CHIP_6413 | CHIP_6418 | CHIP_6410)  IDECL void I2C_configArgs(I2C_Handle hI2c,Uint32 i2coar,Uint32 i2cier,Uint32 i2cclkl,                            Uint32 i2cclkh,Uint32 i2ccnt,Uint32 i2csar,Uint32 i2cmdr,                            Uint32 i2cpsc,Uint32 i2cemdr,Uint32 i2cpfunc,Uint32 i2cpdir);#else  IDECL void I2C_configArgs(I2C_Handle hI2c,Uint32 i2coar,Uint32 i2cier,Uint32 i2cclkl,                            Uint32 i2cclkh,Uint32 i2ccnt,Uint32 i2csar,Uint32 i2cmdr,                            Uint32 i2cpsc);#endifIDECL void I2C_getConfig(I2C_Handle hI2c,I2C_Config *config);/******************************************************************************\* inline function definitions\******************************************************************************/#ifdef USEDEFS#if (CHIP_6413 | CHIP_6418 | CHIP_6410)/*----------------------------------------------------------------------------*/IDEF Uint32 I2C_getPins(I2C_Handle hI2c) {    return I2C_RGETH(hI2c,I2CPDIN);}/*----------------------------------------------------------------------------*/IDEF void I2C_setPins(I2C_Handle hI2c,Uint32 pins) {    I2C_RSETH(hI2c,I2CPDSET,        (          I2C_FMK(I2CPDSET, SCLOUT, pins>>_I2C_I2CPDSET_SCLOUT_SHIFT)         |I2C_FMK(I2CPDSET, SDAOUT, pins>>_I2C_I2CPDSET_SDAOUT_SHIFT)        )    );        }IDEF void I2C_clearPins(I2C_Handle hI2c,Uint32 pins) {    I2C_RSETH(hI2c,I2CPDCLR,        (          I2C_FMK(I2CPDCLR, SCLOUT, pins>>_I2C_I2CPDCLR_SCLOUT_SHIFT)         |I2C_FMK(I2CPDCLR, SDAOUT, pins>>_I2C_I2CPDCLR_SDAOUT_SHIFT)        )    );        }/*----------------------------------------------------------------------------*/IDEF Uint32 I2C_getExtMode(I2C_Handle hI2C) {    return I2C_FGETH(hI2C,I2CEMDR,XRDYM);}/*----------------------------------------------------------------------------*/IDEF void I2C_setMstAck(I2C_Handle hI2C) {    I2C_FSETSH(hI2C,I2CEMDR,XRDYM,MSTACK);}/*----------------------------------------------------------------------------*/IDEF void I2C_setDxrCpy(I2C_Handle hI2C) {    I2C_FSETSH(hI2C,I2CEMDR,XRDYM,DXRCPY);}#endif/*----------------------------------------------------------------------------*/IDEF Uint32 I2C_getXmtAddr(I2C_Handle hI2c) {  return (Uint32)(hI2c->i2cdxrAddr);}/*----------------------------------------------------------------------------*/IDEF Uint32 I2C_getRcvAddr(I2C_Handle hI2c) {  return (Uint32)(hI2c->i2cdrrAddr);}/*----------------------------------------------------------------------------*/IDEF Uint32 I2C_getEventId(I2C_Handle hI2c) {  return (Uint32)(hI2c->eventId);}/*----------------------------------------------------------------------------*/IDEF Uint32 I2C_rfull(I2C_Handle hI2c){ return	I2C_FGETH(hI2c,I2CSTR,RSFULL);}/*----------------------------------------------------------------------------*/