tnr.h

这是DVB tuner驱动部分和其它相关的源码和一些技术资料文档.

/*****************************************************************************
File Name   : tnr.h

Description : TNR device API.

Copyright (C) 1999 STMicroelectronics

Reference   :

*****************************************************************************/

/* Define to prevent recursive inclusion */
#ifndef __TNR_H
#define __TNR_H

/* Includes --------------------------------------------------------------- */

/* Exported Constants ----------------------------------------------------- */

#define TNR_NO_ERROR                    ST_NO_ERROR
#define TNR_ERROR_BAD_PARAMETER         ST_ERROR_BAD_PARAMETER

/* In Hz -- Usually 125KHz (Ver1 code in KHz) */
#define TNR_TUNER_STEP                  125000

#ifndef TNR_PROTOTYPE
#define TNR_PROTOTYPE
#endif

/* Exported Variables ----------------------------------------------------- */

/* Exported Types --------------------------------------------------------- */

/* TNR Error code */
typedef U32 TNR_ErrorCode_t;

/* PLL type */
typedef enum
{
    TNR_PLL_5522,
    TNR_PLL_5655,
    TNR_PLL_5659,
    TNR_PLL_TUA6100
} TNR_PLLType_t;

/* TNR device type */
typedef enum
{
    TNR_DEVICE_68G21,
    TNR_DEVICE_VG1011,
    TNR_DEVICE_TUA6100,
    TNR_DEVICE_EVALMAX,
    TNR_DEVICE_UNKNOWN
} TNR_TunerType_t;

/* TNR status */
typedef struct
{
    U32             Frequency;
    U32             TunerStep;
    U32             IntermediateFrequency;
    U32             Bandwidth;
    S32             IQSense;
} TNR_Status_t;

/* TNR initialization parameters */
typedef struct
{
    TNR_TunerType_t TunerType;
    ST_Partition_t  *MemoryPartition;
    void            *DeviceAccess_p;
    void			*DemodHandle;
    BOOL			Repeater;
} TNR_InitParams_t;

typedef void *TNR_Handle_t;

/* TNR function map table */
typedef struct
{
    TNR_ErrorCode_t (*TNR_Init)(TNR_InitParams_t *InitParams_p,
                                TNR_Handle_t *Handle_p);
    TNR_ErrorCode_t (*TNR_Term)(TNR_Handle_t Handle);
    TNR_ErrorCode_t (*TNR_SetFrequency)(TNR_Handle_t Handle,
                                        U32 Frequency,
                                        U32 *NewFrequency_p);
    TNR_ErrorCode_t (*TNR_GetStatus)(TNR_Handle_t Handle,
                                     TNR_Status_t *Status_p);
    TNR_ErrorCode_t (*TNR_IsTunerLocked)(TNR_Handle_t Handle,
                                         BOOL *Locked_p);
    TNR_ErrorCode_t (*TNR_SetBandWidth)(TNR_Handle_t Handle,
                                        U32 BandWidth,
                                        U32 *NewBandWidth_p);
} TNR_MapTable_t;

/* Exported Macros -------------------------------------------------------- */

/* Exported Functions ----------------------------------------------------- */

TNR_PROTOTYPE TNR_ErrorCode_t TNR_Init(TNR_InitParams_t *InitParams_p,
                                       TNR_Handle_t *Handle_p);

TNR_PROTOTYPE TNR_ErrorCode_t TNR_Term(TNR_Handle_t Handle);

TNR_PROTOTYPE TNR_ErrorCode_t TNR_SetFrequency(TNR_Handle_t Handle,
                                               U32 Frequency,
                                               U32 *NewFrequency_p);

TNR_PROTOTYPE TNR_ErrorCode_t TNR_GetStatus(TNR_Handle_t Handle,
                                            TNR_Status_t *Status_p);

TNR_PROTOTYPE TNR_ErrorCode_t TNR_IsTunerLocked(TNR_Handle_t Handle,
                                                BOOL *Locked_p);

TNR_PROTOTYPE TNR_ErrorCode_t TNR_SetBandWidth(TNR_Handle_t Handle,
                                               U32 BandWidth,
                                               U32 *NewBandWidth_p);

#endif /* __TNR_H */

/* End of tnr.h */