d0288.c

st7710的tuner标准驱动

    #endif
    return(STTUNER_ERROR_INITSTATE);
    }
   
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    STTBX_Print(("%s installing sat:demod:STX0288...", identity));
    #endif

    /* mark ID in database */
    Demod->ID = STTUNER_DEMOD_STX0288;

    /* map API */
    Demod->demod_Init                  = demod_d0288_Init;
    Demod->demod_Term                  = demod_d0288_Term;
    Demod->demod_Open                  = demod_d0288_Open;
    Demod->demod_Close                 = demod_d0288_Close;
    Demod->demod_GetSignalQuality      = demod_d0288_GetSignalQuality;
    Demod->demod_GetModulation         = demod_d0288_GetModulation;   
    Demod->demod_SetModulation         = demod_d0288_SetModulation;   
    Demod->demod_GetAGC                = demod_d0288_GetAGC;          
    Demod->demod_GetFECRates           = demod_d0288_GetFECRates;  
    Demod->demod_GetIQMode             = demod_d0288_GetIQMode; /*added for GNBvd26107->I2C failure due to direct access to demod device at API level*/
    Demod->demod_IsLocked              = demod_d0288_IsLocked ;       
    Demod->demod_SetFECRates           = demod_d0288_SetFECRates;     
    Demod->demod_Tracking              = demod_d0288_Tracking;        
    Demod->demod_ScanFrequency         = demod_d0288_ScanFrequency;
    Demod->demod_DiSEqC	               = demod_d0288_DiSEqC;
    Demod->demod_GetConfigDiSEqC       = demod_d0288_DiSEqCGetConfig;  
    Demod->demod_SetDiSEqCBurstOFF     = demod_d0288_DiSEqCBurstOFF; 
    Demod->demod_ioaccess              = demod_d0288_ioaccess;
    Demod->demod_ioctl                 = demod_d0288_ioctl;
    Demod->demod_GetSymbolrate         = demod_0288_GetSymbolrate;
    #ifdef STTUNER_DRV_SAT_SCR
    Demod->demod_tonedetection         = demod_d0288_tonedetection;
    #endif
    
    InstanceChainTop = NULL;
#if defined(ST_OS21) || defined(ST_OSLINUX)
    Lock_InitTermOpenClose = semaphore_create_fifo(1);
    #else
    semaphore_init_fifo(&Lock_InitTermOpenClose, 1);
    #endif    

    Installed = TRUE;

    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    STTBX_Print(("ok\n"));
    #endif

    return(Error);
}

/* ----------------------------------------------------------------------------
Name: STTUNER_DRV_DEMOD_STX0288_UnInstall()

Description:
    install a satellite device driver into the demod database.
    
Parameters:
    
Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t STTUNER_DRV_DEMOD_STX0288_UnInstall(STTUNER_demod_dbase_t *Demod)
{
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    const char *identity = "STTUNER d0288.c STTUNER_DRV_DEMOD_STX0288_UnInstall()";
    #endif
    ST_ErrorCode_t Error = ST_NO_ERROR;

    if(Installed == FALSE)
    {
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail driver not installed\n", identity));
    #endif
    return(STTUNER_ERROR_INITSTATE);
    }
   
    if(Demod->ID != STTUNER_DEMOD_STX0288)
    {
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail incorrect driver type\n", identity));
    #endif
    return(STTUNER_ERROR_ID);
    }

    /* has all memory been freed, by Term() */
    if(InstanceChainTop != NULL)
    {
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail at least one instance not terminated\n", identity));
    #endif
    return(ST_ERROR_OPEN_HANDLE);
    }


    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    STTBX_Print(("%s uninstalling sat:demod:STV0288...", identity));
    #endif

    Demod->ID = STTUNER_NO_DRIVER;
    Demod->demod_Init             = NULL;
    Demod->demod_Term             = NULL;
    Demod->demod_Open             = NULL;
    Demod->demod_Close            = NULL;
    Demod->demod_IsAnalogCarrier  = NULL; 
    Demod->demod_GetSignalQuality = NULL;
    Demod->demod_GetModulation    = NULL;   
    Demod->demod_SetModulation    = NULL;   
    Demod->demod_GetAGC           = NULL;          
    Demod->demod_GetFECRates      = NULL;      
    Demod->demod_GetIQMode        = NULL; /*added for GNBvd26107->I2C failure due to direct access to demod device at API level*/
    Demod->demod_IsLocked         = NULL;       
    Demod->demod_SetFECRates      = NULL;     
    Demod->demod_Tracking         = NULL;        
    Demod->demod_ScanFrequency    = NULL;
    Demod->demod_DiSEqC		  = NULL;
    Demod->demod_GetConfigDiSEqC  = NULL;  
    Demod->demod_SetDiSEqCBurstOFF= NULL; 
    Demod->demod_ioaccess	  = NULL;
    Demod->demod_ioctl		  = NULL;
    Demod->demod_GetSymbolrate    = NULL;
    #ifdef STTUNER_DRV_SAT_SCR
    Demod->demod_tonedetection    = NULL;
    #endif
    
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    STTBX_Print(("<"));
    #endif
#if defined(ST_OS21) || defined(ST_OSLINUX)
    semaphore_delete(Lock_InitTermOpenClose);
    #else
    semaphore_delete(&Lock_InitTermOpenClose);
    #endif    

    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    STTBX_Print((">"));
    #endif

    InstanceChainTop = (D0288_InstanceData_t *)0x7ffffffe;
    Installed        = FALSE;

    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("ok\n"));
    #endif

    return(Error);
}

/* ------------------------------------------------------------------------- */
/* /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ API /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\ */
/* ------------------------------------------------------------------------- */

/* ----------------------------------------------------------------------------
Name: demod_d0288_Init()

Description:
    
Parameters:

Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t demod_d0288_Init(ST_DeviceName_t *DeviceName, DEMOD_InitParams_t *InitParams)
{
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    const char *identity = "STTUNER d0288.c demod_d0288_Init()";
    #endif   
    ST_ErrorCode_t Error = ST_NO_ERROR;
    D0288_InstanceData_t *InstanceNew, *Instance;
    if(Installed == FALSE)
    {
        #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail driver not installed\n", identity));
	#endif
        return(STTUNER_ERROR_INITSTATE);
    }

    /* now safe to lock semaphore */
    SEM_LOCK(Lock_InitTermOpenClose);

    /* ---------- check params ---------- */
    Error = STTUNER_Util_CheckPtrNull(InitParams->MemoryPartition);
    if( Error != ST_NO_ERROR)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail MemoryPartition not valid\n", identity));
	#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error);
    }

    Error = STTUNER_Util_CheckPtrNull(DeviceName);
    if( Error != ST_NO_ERROR)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail DeviceName not valid\n", identity));
	#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error);
    }

    InstanceNew = memory_allocate_clear(InitParams->MemoryPartition, 1, sizeof( D0288_InstanceData_t ));
    if (InstanceNew == NULL)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail memory allocation InstanceNew\n", identity));
	#endif    
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(ST_ERROR_NO_MEMORY);           
    }

    /* slot into chain */
    if (InstanceChainTop == NULL)
    {
        InstanceNew->InstanceChainPrev = NULL; /* no previous instance */
        InstanceChainTop = InstanceNew;
    }
    else    /* tag onto last data block in chain */
    {
        Instance = InstanceChainTop;

        while(Instance->InstanceChainNext != NULL)
        {
            Instance = Instance->InstanceChainNext;   /* next block */
        }
        Instance->InstanceChainNext     = (void *)InstanceNew;
        InstanceNew->InstanceChainPrev  = (void *)Instance;
    }

    InstanceNew->DeviceName          = DeviceName;
    InstanceNew->TopLevelHandle      = STTUNER_MAX_HANDLES;
    InstanceNew->IOHandle            = InitParams->IOHandle;
    InstanceNew->MemoryPartition     = InitParams->MemoryPartition;
    InstanceNew->DeviceMap.Timeout   = IOREG_DEFAULT_TIMEOUT;
    InstanceNew->DeviceMap.Registers = STX288_NBREGS;
    InstanceNew->DeviceMap.Fields    = STX288_NBFIELDS;
    InstanceNew->DeviceMap.Mode      = IOREG_MODE_SUBADR_8; /* NEW as of 3.4.0: i/o addressing mode to use */
    InstanceNew->DeviceMap.MemoryPartition = InitParams->MemoryPartition;
    InstanceNew->InstanceChainNext   = NULL; /* always last in the chain */
    InstanceNew->ExternalClock       = InitParams->ExternalClock;  
    #ifdef STTUNER_DRV_SAT_5188
    InstanceNew->ExternalClock = 30000000;
    #else
    InstanceNew->ExternalClock = 4000000;
    #endif
    InstanceNew->TSOutputMode        = InitParams->TSOutputMode;
    InstanceNew->SerialDataMode      = InitParams->SerialDataMode;
    InstanceNew->BlockSyncMode       = InitParams->BlockSyncMode;/* add block sync bit control for bug GNBvd27452*/
    InstanceNew->FECMode             = InitParams->FECMode;
    InstanceNew->ClockPolarity       = InitParams->ClockPolarity;
    InstanceNew->DataClockAtParityBytes = InitParams->DataClockAtParityBytes;
    InstanceNew->DataFIFOMode        = InitParams->DataFIFOMode;
    InstanceNew->OutputFIFOConfig    = InitParams->OutputFIFOConfig;
    InstanceNew->DiSEqC_RxFreq       = 22000;
    /*********************Added for Diseqc***************************/
    InstanceNew->DiSEqCConfig.Command=STTUNER_DiSEqC_COMMAND;
    InstanceNew->DiSEqCConfig.ToneState=STTUNER_DiSEqC_TONE_CONTINUOUS_OFF;
    /**************************************************/

    /* reserve memory for register mapping */
    Error = STTUNER_IOREG_Open(&InstanceNew->DeviceMap);
    if (Error != ST_NO_ERROR)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail setup new register database\n", identity));
	#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error);           
    }
    

#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    STTBX_Print(("%s allocated & initalized block named '%s' at 0x%08x (%d bytes)\n", identity, InstanceNew->DeviceName, (U32)InstanceNew, sizeof( D0288_InstanceData_t ) ));
#endif
    SEM_UNLOCK(Lock_InitTermOpenClose);

    return(Error);
}   

/* ----------------------------------------------------------------------------
Name: demod_d0288_Term()

Description:
    
Parameters:
    
Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t demod_d0288_Term(ST_DeviceName_t *DeviceName, DEMOD_TermParams_t *TermParams)
{
    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
    const char *identity = "STTUNER d0288.c demod_d0288_Term()";
    #endif	 
    ST_ErrorCode_t Error = ST_NO_ERROR;
    D0288_InstanceData_t *Instance, *InstancePrev, *InstanceNext;

    if(Installed == FALSE)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail driver not installed\n", identity));
	#endif
        return(STTUNER_ERROR_INITSTATE);
    }
    /* now safe to lock semaphore */
    SEM_LOCK(Lock_InitTermOpenClose);
    /* ---------- check params ---------- */
    Error = STTUNER_Util_CheckPtrNull(TermParams);
    if( Error != ST_NO_ERROR)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail TermParams not valid\n", identity));
	#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error);
    }

    /* ---------- check that at least one init has taken place ---------- */
    if(InstanceChainTop == NULL)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("%s fail nothing initalized\n", identity));
	#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(STTUNER_ERROR_INITSTATE);
    }

    Instance = InstanceChainTop;
    while(1)
    {
	#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
        STTBX_Print(("(%s)", Instance->DeviceName));
	#endif
        if ( strcmp( (char *)Instance->DeviceName, (char *)DeviceName) == 0)
        {
	    #ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
            STTBX_Print(("]\n"));
	    #endif
            Error = STTUNER_IOREG_Close(&Instance->DeviceMap);
            if (Error != ST_NO_ERROR)
            {
		#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0288
                STTBX_Print(("%s fail close register database\n", identity));
		#endif
            }
            /* found so now xlink prev and next(if applicable) and deallocate memory */