tuner.h

sigma_designs的tuner驱动

/*
 * tuner.h
 *
 *
 *
 *
 */

#ifndef TUNER_COMMON
#define TUNER_COMMON

// Changing this will require changing the Data Initialization in tunerapi.c
#define TUNERAPI_TU1216_MAXUNITS    2


// SCAN Stuff
typedef struct tagFREQUENCY_PARAM_T {
        RMuint32                      	uFlags;

	RMuint32			uChannelSpacing;
        TUNER_DVBT_RFOFFSET		nDvbTRFOffset;
        TUNER_DVBT_SPECTRALINVERSION	nDvbTSpectralInversion;
        TUNER_DVBT_MODULATION		nDvbTModulation;
        TUNER_DVBT_GUARDINTERVAL      	nDvbTGuardInterval;
        TUNER_DVBT_FFT                	nDvbTFft;
        TUNER_DVBT_HIERARCHY          	nDvbTHierarchy;
        TUNER_DVBT_PRIORITY           	nDvbTPriority;
        TUNER_DVBT_DEPUNCRATE         	nDvbTDepuncHighRate;
        TUNER_DVBT_DEPUNCRATE         	nDvbTDepuncLowRate;
} FREQUENCY_PARAM_T;

typedef struct tagSCAN_PARAM_T {
	RMbool bAbort;
} SCAN_PARAM_T;



typedef struct tagTUNER_CONFIG {
	// Common Tuner Config
	TUNER_MODE nTunerMode;
	TUNER_MODEL nTunerModel;
	TUNER_INPUT nTunerInput;
	
	TUNERAPI_CONTEXT TunerContext;
	I2CAL_CONTEXT*	pI2Cal_Context; 

	RMuint32 	uTunerId;  // This is for a tmbsl tuner only
	
	RMuint8 IfI2cAddr;
	RMuint8 PllI2cAddr;
	RMuint8 DmI2cAddr;
	RMuint8 AuxI2cAddr;
	
	// Tuner Init will set the following 4 values ONLY
	RMuint32 uLowFrequency;
	RMuint32 uHighFrequency;
	RMuint32 uFrequencyStep;
	RMuint32 uCurrentFrequency;	// set only by SetFrequency()  different for tmbsl case
		
	RMstatus (*pTunerInit) (struct tagTUNER_CONFIG* pTunerConfig, RMbool ReInit);
	
	// tunerapi will set FREQUENCY_PARAM_T and SCAN_PARAM_T to 0 on Reopen
	FREQUENCY_PARAM_T	NextSetFrequencyParameters;
	RMstatus (*pTunerSetFrequency) (struct tagTUNER_CONFIG* pTunerConfig, RMuint32 uFrequency, FREQUENCY_PARAM_T *pParam);
	RMstatus (*pTunerGetData) (struct tagTUNER_CONFIG* pTunerConfig, TUNERAPI_PROPERTY nType, TUNERAPI_PROPERTY_DATA_U *pData_U);
	
	SCAN_PARAM_T		NextScanParam_T;
	RMstatus (*pTunerScan) ( struct tagTUNER_CONFIG* pTunerConfig_T, RMuint32 uStart, RMuint32 uEnd, SCAN_PARAM_T *pScanParams_T, SCAN_RESULT_T *pScanResult_T);
	RMstatus (*pTunerClose) (struct tagTUNER_CONFIG* pTunerConfig);
} TUNER_CONFIG;


// Internal Structures

// RS Struct
// Control Byte RS and F_ss for Divider calculation
typedef struct tagRS {
        RMuint16 RS_AB_bits;
        RMuint32 F_ss;
} RS;


//Internal Calls
RMstatus generic_Scan( TUNER_CONFIG* pTunerConfig_T, RMuint32 uStart, RMuint32 uEnd, SCAN_PARAM_T *pScanParams_T, SCAN_RESULT_T *pScanResult_T);
RMstatus generic_GetData_ChannelSpacing (TUNER_CONFIG* pTunerConfig_T, TUNERAPI_PROPERTY_DATA_U *pData_U);
#endif