www.pudn.com > SEEDVPM642_audio.rar > csl_utop.h

/******************************************************************************\ 
*           Copyright (C) 2000 Texas Instruments Incorporated. 
*                           All Rights Reserved 
*------------------------------------------------------------------------------ 
* FILENAME...... csl_utop.h 
* DATE CREATED.. 07/19/2000  
* LAST MODIFIED. 12/22/2000  
\******************************************************************************/ 
#ifndef _CSL_UTOP_H_ 
#define _CSL_UTOP_H_ 
 
#include  
#include  
#include  
 
#if (UTOP_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  _UTOP_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 
\******************************************************************************/ 
 
/* utopia interrupt numbers */ 
#define UTOP_INT_XQ     0 
#define UTOP_INT_RQ     16 
 
/* utopia error interrupt numbers */ 
#define UTOP_ERR_RQS    0 
#define UTOP_ERR_RCF    1 
#define UTOP_ERR_RCP    2 
#define UTOP_ERR_XQS    16 
#define UTOP_ERR_XCF    17 
#define UTOP_ERR_XCP    18 
 
#define UTOP_RCVQ_ADDR  _UTOP_BASE_RQUEUE  
#define UTOP_XMTQ_ADDR  _UTOP_BASE_XQUEUE  
 
 
/******************************************************************************\ 
* global typedef declarations 
\******************************************************************************/ 
 
/* device configuration structure */ 
typedef struct { 
  Uint32 ucr; 
  Uint32 cdr; 
} UTOP_Config; 
 
/******************************************************************************\ 
* global variable declarations 
\******************************************************************************/ 
 
 
/******************************************************************************\ 
* global function declarations 
\******************************************************************************/ 
CSLAPI void UTOP_reset(); 
 
/******************************************************************************\ 
* inline function declarations 
\******************************************************************************/ 
IDECL Uint32 UTOP_getXmtAddr(); 
IDECL Uint32 UTOP_getRcvAddr(); 
IDECL Uint32 UTOP_getEventId(); 
 
/* UTOP_read/write is for CPU servicing Utopia */ 
IDECL Uint32 UTOP_read(); 
IDECL void   UTOP_write(Uint32 val); 
 
IDECL void UTOP_enableXmt(); 
IDECL void UTOP_enableRcv(); 
 
IDECL void   UTOP_intDisable(Uint32 intNum); 
IDECL void   UTOP_intEnable(Uint32 intNum); 
IDECL void   UTOP_intClear(Uint32 intNum); 
IDECL Uint32 UTOP_intTest(Uint32 intNum); 
IDECL void   UTOP_intReset(Uint32 intNum); 
 
IDECL void   UTOP_errDisable(Uint32 errNum); 
IDECL void   UTOP_errEnable(Uint32 errNum); 
IDECL void   UTOP_errClear(Uint32 errNum); 
IDECL Uint32 UTOP_errTest(Uint32 errNum); 
IDECL void   UTOP_errReset(Uint32 errNum); 
 
IDECL void UTOP_config(UTOP_Config *config); 
IDECL void UTOP_configArgs(Uint32 ucr, Uint32 cdr); 
IDECL void UTOP_getConfig(UTOP_Config *config); 
 
 
/******************************************************************************\ 
* inline function definitions 
\******************************************************************************/ 
#ifdef USEDEFS 
/*----------------------------------------------------------------------------*/ 
IDEF Uint32 UTOP_getXmtAddr() { 
  return (Uint32)(_UTOP_BASE_XQUEUE); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF Uint32 UTOP_getRcvAddr() { 
  return (Uint32)(_UTOP_BASE_RQUEUE); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF Uint32 UTOP_getEventId() { 
  return (IRQ_EVT_UINT); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF Uint32 UTOP_read() { 
  return (*(volatile Uint32*)(_UTOP_BASE_RQUEUE)); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF void UTOP_write(Uint32 val) { 
  (*(volatile Uint32*)(_UTOP_BASE_XQUEUE)) = val; 
} 
/*----------------------------------------------------------------------------*/ 
IDEF void UTOP_enableXmt() { 
  UTOP_FSETS(UCR,UXEN,ENABLE); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF void UTOP_enableRcv() { 
  UTOP_FSETS(UCR,UREN,ENABLE); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF void UTOP_intDisable(Uint32 intNum){ 
  UTOP_RSET(UIER,UTOP_RGET(UIER)&~(1<ucr; 
  x1 = config->cdr; 
 
  base[_UTOP_UCR_OFFSET]    = 0x00000000u; 
  base[_UTOP_CDR_OFFSET]    = x1; 
  base[_UTOP_UCR_OFFSET]    = x0; /* Enable interface after everything is set up */ 
 
  IRQ_globalRestore(gie); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF void UTOP_configArgs(Uint32 ucr, Uint32 cdr) { 
 
  Uint32 gie; 
  volatile Uint32 *base = (volatile Uint32 *)_UTOP_UCR_ADDR; 
 
  gie = IRQ_globalDisable(); 
 
  base[_UTOP_UCR_OFFSET]    = 0x00000000u; 
  base[_UTOP_CDR_OFFSET]    = cdr; 
  base[_UTOP_UCR_OFFSET]    = ucr; /* Enable interface after everything is set up */ 
 
  IRQ_globalRestore(gie); 
} 
/*----------------------------------------------------------------------------*/ 
IDEF void UTOP_getConfig(UTOP_Config *config) { 
 
  Uint32 gie; 
  volatile Uint32 *base = (volatile Uint32 *)_UTOP_UCR_ADDR; 
  register int x0,x1; 
 
  gie = IRQ_globalDisable(); 
 
  /* the compiler generates more efficient code if the loads */ 
  /* and stores are grouped together rather than intermixed  */ 
 
  x0 = base[_UTOP_UCR_OFFSET]; 
  x1 = base[_UTOP_CDR_OFFSET]; 
   
  config->ucr    = x0; 
  config->cdr    = x1; 
 
  IRQ_globalRestore(gie); 
} 
/*----------------------------------------------------------------------------*/ 
#endif /* USEDEFS */ 
 
 
#endif /* UTOP_SUPPORT */ 
#endif /* _CSL_UTOP_H_ */ 
/******************************************************************************\ 
* End of csl_utop.h 
\******************************************************************************/