d0899.c

st7710的tuner标准驱动

	Demod->demod_SetDiSEqCBurstOFF   = demod_stb0899_DiSEqCBurstOFF;

    Demod->demod_ioaccess = demod_stb0899_ioaccess;
    Demod->demod_ioctl    = demod_stb0899_ioctl;
    Demod->demod_tonedetection = demod_stb0899_Tonedetection;

    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_STB0899
    STTBX_Print(("ok\n"));
#endif

    return(Error);
}



/* ----------------------------------------------------------------------------
Name: STTUNER_DRV_DEMOD_STB0899_UnInstall()

Description:
    install a satellite device driver into the demod database.
    
Parameters:
    
Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t STTUNER_DRV_DEMOD_STB0899_UnInstall(STTUNER_demod_dbase_t *Demod)
{

    ST_ErrorCode_t Error = ST_NO_ERROR;

    if(Installed == FALSE)
    {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        STTBX_Print(("%s fail driver not installed\n", identity));
#endif
        return(STTUNER_ERROR_INITSTATE);
    }
   
    if(Demod->ID != STTUNER_DEMOD_STB0899)
    {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        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_STB0899
        STTBX_Print(("%s fail at least one instance not terminated\n", identity));
#endif
        return(ST_ERROR_OPEN_HANDLE);
    }


#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
    STTBX_Print(("%s uninstalling sat:demod:STB0899...", identity));
#endif

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

    /* unmap API */
    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;
	#ifdef STTUNER_DRV_SAT_STB0899
    Demod->demod_GetModeCode    = NULL;
    #endif

    Demod->demod_ioaccess = NULL;
    Demod->demod_ioctl    = NULL;
    Demod->demod_tonedetection = NULL;

#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        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_STB0899
        STTBX_Print((">"));
#endif

    InstanceChainTop = (STB0899_InstanceData_t *)0x7ffffffe;
    Installed        = FALSE;

#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        STTBX_Print(("ok\n"));
#endif

    return(Error);
}

/* ----------------------------------------------------------------------------
Name: demod_stb0899_Init()

Description:
    
Parameters:

Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t demod_stb0899_Init(ST_DeviceName_t *DeviceName, DEMOD_InitParams_t *InitParams)
{
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
    const char *identity = "STTUNER d_0899.c demod_stb0899_Init()";
#endif
    ST_ErrorCode_t Error = ST_NO_ERROR;
    STB0899_InstanceData_t *InstanceNew, *Instance;

    if(Installed == FALSE)
    {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        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_STB0899
        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_STB0899
        STTBX_Print(("%s fail DeviceName not valid\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error);
    }

    InstanceNew = memory_allocate_clear(InitParams->MemoryPartition, 1, sizeof( STB0899_InstanceData_t ));
    if (InstanceNew == NULL)
    {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        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->InstanceChainNext   = NULL; /* always last in the chain */

    InstanceNew->DeviceMap.Timeout   = IOREG_DEFAULT_TIMEOUT;
    InstanceNew->DeviceMap.Registers = STB0899_NBREGS;
    InstanceNew->DeviceMap.Fields    = STB0899_NBFIELDS;
    InstanceNew->DeviceMap.Mode      = IOREG_MODE_SUBADR_16_POINTED; /* NEW as of 3.4.0: i/o addressing mode to use */
    InstanceNew->DeviceMap.MemoryPartition = InitParams->MemoryPartition;
    InstanceNew->DeviceMap.DefVal    = (U32 *)&STB0899DefVal[0];
    InstanceNew->ExternalClock       = InitParams->ExternalClock;  
    InstanceNew->TSOutputMode        = InitParams->TSOutputMode;
    /*InstanceNew->SerialDataMode      = InitParams->SerialDataMode;*/
    InstanceNew->SerialClockSource   = InitParams->SerialClockSource;
    InstanceNew->FE_STB0899_Modulation   = FE_899_MOD_QPSK; /* default to QPSK modulation */
    InstanceNew->FECMode = InitParams->FECMode;
    InstanceNew->FECType = STTUNER_FEC_MODE_DVBS2;
    InstanceNew->ClockPolarity       = InitParams->ClockPolarity;
    InstanceNew->DataClockAtParityBytes = InitParams->DataClockAtParityBytes;
    InstanceNew->TSDataOutputControl = InitParams->TSDataOutputControl;
    InstanceNew->BlockSyncMode       = InitParams->BlockSyncMode;
    InstanceNew->DataFIFOMode        = InitParams->DataFIFOMode;
    InstanceNew->OutputFIFOConfig    = InitParams->OutputFIFOConfig;
    InstanceNew->DiSEqC_RxFreq       = 0;
    
    
    /********Added for DiSEqC***************************/
	InstanceNew->DiSEqCConfig.Command=STTUNER_DiSEqC_COMMAND;
    InstanceNew->DiSEqCConfig.ToneState=STTUNER_DiSEqC_TONE_CONTINUOUS_OFF;
	/**************************************************/  
	InstanceNew->SET_TRACKING_PARAMS = FALSE;
   /* reserve memory for register mapping */
    Error = STTUNER_IOREG_Open(&InstanceNew->DeviceMap);
    if (Error != ST_NO_ERROR)
    {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        STTBX_Print(("%s fail setup new register database\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error);           
    }
    
   
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
    STTBX_Print(("%s allocated & initalized block named '%s' at 0x%08x (%d bytes)\n", identity, InstanceNew->DeviceName, (U32)InstanceNew, sizeof( D0399_InstanceData_t ) ));
#endif
    SEM_UNLOCK(Lock_InitTermOpenClose);
    return(Error);
}   



/* ----------------------------------------------------------------------------
Name: demod_stb0899_Term()

Description:
    
Parameters:
    
Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t demod_stb0899_Term(ST_DeviceName_t *DeviceName, DEMOD_TermParams_t *TermParams)
{
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
   const char *identity = "STTUNER d0399.c demod_d0399_Term()";
#endif
    ST_ErrorCode_t Error = ST_NO_ERROR;
    STB0899_InstanceData_t *Instance, *InstancePrev, *InstanceNext;

    if(Installed == FALSE)
    {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        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_STB0899
        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_STB0899
        STTBX_Print(("%s fail nothing initalized\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(STTUNER_ERROR_INITSTATE);
    }


    /* reap next matching DeviceName */
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
    STTBX_Print(("%s reap next matching DeviceName[", identity));
#endif

    Instance = InstanceChainTop;
    while(1)
    {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
        STTBX_Print(("(%s)", Instance->DeviceName));
#endif
        if ( strcmp( (char *)Instance->DeviceName, (char *)DeviceName) == 0)
        {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
            STTBX_Print(("<-- ]\n"));
#endif
            Error = STTUNER_IOREG_Close(&Instance->DeviceMap);
            if (Error != ST_NO_ERROR)
            {
#ifdef STTUNER_DEBUG_MODULE_SATDRV_D0299
                STTBX_Print(("%s fail close register database\n", identity));
#endif
            }
            /* found so now xlink prev and next(if applicable) and deallocate memory */
            InstancePrev = Instance->InstanceChainPrev;
            InstanceNext = Instance->InstanceChainNext;

            /* if instance to delete is first in chain */
            if (Instance->InstanceChainPrev == NULL)
            {
                InstanceChainTop = InstanceNext;        /* which would be NULL if last block to be term'd */
                if(InstanceNext != NULL)
                { 
                InstanceNext->InstanceChainPrev = NULL; /* now top of chain, no previous instance */
                }
            }
            else
            {   /* safe to set value for prev instaance (because there IS one) */
                InstancePrev->InstanceChainNext = InstanceNext;
            }

            /* if there is a next block in the chain */            
            if (InstanceNext != NULL)
            {
                InstanceNext->InstanceChainPrev = InstancePrev;
            }   

            memory_deallocate(Instance->MemoryPartition, Instance);

#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
            STTBX_Print(("%s freed block at 0x%08x\n", identity, (U32)Instance ));
#endif

#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
            STTBX_Print(("%s terminated ok\n", identity));
#endif
            SEM_UNLOCK(Lock_InitTermOpenClose);
            return(Error);
        }
        else if(Instance->InstanceChainNext == NULL) 
        {       /* error we should have found a matching name before the end of the list */
#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
                STTBX_Print(("\n%s fail no free handle before end of list\n", identity));
#endif
                SEM_UNLOCK(Lock_InitTermOpenClose);
                return(STTUNER_ERROR_INITSTATE);
        }
        else
        {
            Instance = Instance->InstanceChainNext;   /* next block */
        }
        
    }


#ifdef STTUNER_DEBUG_MODULE_SATDRV_STB0899
    STTBX_Print(("%s FAIL! this point should NEVER be reached\n", identity));