d0361.c

st7710的tuner标准驱动

#endif
    ST_ErrorCode_t Error = ST_NO_ERROR;
    D0361_InstanceData_t *InstanceNew, *Instance;


    if(Installed == FALSE)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        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_TERDRV_D0361
        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_TERDRV_D0361
        STTBX_Print(("%s fail DeviceName not valid\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error);
    }

    InstanceNew = memory_allocate_clear(InitParams->MemoryPartition, 1, sizeof( D0361_InstanceData_t ));
    if (InstanceNew == NULL)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        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->ExternalClock       = InitParams->ExternalClock;
    InstanceNew->TSOutputMode        = InitParams->TSOutputMode;
    InstanceNew->SerialDataMode      = InitParams->SerialDataMode;
    InstanceNew->SerialClockSource   = InitParams->SerialClockSource;
    InstanceNew->FECMode             = InitParams->FECMode;
    InstanceNew->ClockPolarity       = InitParams->ClockPolarity;

    InstanceNew->DeviceMap.Timeout   = IOREG_DEFAULT_TIMEOUT;
    InstanceNew->DeviceMap.Registers = STV361_NBREGS;
    InstanceNew->DeviceMap.Fields    = STV361_NBFIELDS;
    InstanceNew->DeviceMap.Mode      = IOREG_MODE_SUBADR_8; /* i/o addressing mode to use */
    InstanceNew->DeviceMap.MemoryPartition = InitParams->MemoryPartition;
    InstanceNew->DeviceMap.DefVal= (U32 *)&Def361Val[0];







    InstanceNew->StandBy_Flag = 0 ;
    /* Allocate  memory for register mapping */
    Error = STTUNER_IOREG_Open(&InstanceNew->DeviceMap);
     if (Error != ST_NO_ERROR)
    {
	#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail setup new register database\n", identity));
	#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(Error); 
            }

    
    switch(InstanceNew->TSOutputMode)
    {
        case STTUNER_TS_MODE_DEFAULT:
        case STTUNER_TS_MODE_PARALLEL:
            InstanceNew->FE_361_InitParams.Clock = FE_361_PARALLEL_CLOCK;
            break;

        case STTUNER_TS_MODE_SERIAL:
            switch(InstanceNew->SerialClockSource) /* Set serial clock source */
            {
                case STTUNER_SCLK_VCODIV6:
                    InstanceNew->FE_361_InitParams.Clock = FE_361_SERIAL_VCODIV6_CLOCK;
                    break;

                default:
                case STTUNER_SCLK_DEFAULT:
                case STTUNER_SCLK_MASTER:
                    InstanceNew->FE_361_InitParams.Clock = FE_361_SERIAL_MASTER_CLOCK;
                    break;
            }

    }

#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
    STTBX_Print(("%s allocated & initalized block named '%s' at 0x%08x (%d bytes)\n", identity, InstanceNew->DeviceName, (U32)InstanceNew, sizeof( D0361_InstanceData_t ) ));
#endif
    SEM_UNLOCK(Lock_InitTermOpenClose);
    return(Error);
}



/* ----------------------------------------------------------------------------
Name: demod_d0361_Term()

Description:

Parameters:

Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t demod_d0361_Term(ST_DeviceName_t *DeviceName, DEMOD_TermParams_t *TermParams)
{
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
   const char *identity = "STTUNER d0361.c demod_d0361_Term()";
#endif
    ST_ErrorCode_t Error = ST_NO_ERROR;
    D0361_InstanceData_t *Instance, *InstancePrev, *InstanceNext;

    if(Installed == FALSE)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        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_TERDRV_D0361
        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_TERDRV_D0361
        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_TERDRV_D0361
    STTBX_Print(("%s looking for first free handle[\n", identity));
#endif

    Instance = InstanceChainTop;
    while(1)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("(%s)", Instance->DeviceName));
#endif
        if ( strcmp( (char *)Instance->DeviceName, (char *)DeviceName) == 0)
        {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
            STTBX_Print(("<-- ]\n"));
#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;
            }
	 /* Added for removing memory related problem in API test
                 memory for register mapping */
           Error = STTUNER_IOREG_Close(&Instance->DeviceMap);
           if (Error != ST_NO_ERROR)
            {
	   #ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
            STTBX_Print(("%s fail deallocate register database\n", identity));
	   #endif
           SEM_UNLOCK(Lock_InitTermOpenClose);
           return(Error);           
            }

            memory_deallocate(Instance->MemoryPartition, Instance);

#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
            STTBX_Print(("%s freed block at %0x%08x\n", identity, (U32)Instance ));
#endif

#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
            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_TERDRV_D0361
                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_TERDRV_D0361
    STTBX_Print(("%s FAIL! this point should NEVER be reached\n", identity));
#endif
    SEM_UNLOCK(Lock_InitTermOpenClose);
    return(Error);
}



/* ----------------------------------------------------------------------------
Name: demod_d0361_Open()

Description:

Parameters:

Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t demod_d0361_Open(ST_DeviceName_t *DeviceName, DEMOD_OpenParams_t  *OpenParams, DEMOD_Capability_t *Capability, DEMOD_Handle_t *Handle)
{
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
   const char *identity = "STTUNER d0361.c demod_d0361_Open()";
#endif
    ST_ErrorCode_t Error = ST_NO_ERROR;
    D0361_InstanceData_t     *Instance;
    U8 ChipID;


    if(Installed == FALSE)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail driver not installed\n", identity));
#endif
        return(STTUNER_ERROR_INITSTATE);
    }

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

    /* ---------- check that at least one init has taken place ---------- */
    if(InstanceChainTop == NULL)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail nothing initalized\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(STTUNER_ERROR_INITSTATE);
    }

    /* find  handle from name */
    Instance = InstanceChainTop;
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
    STTBX_Print(("%s looking (%s)", identity, Instance->DeviceName));
#endif
    while(strcmp((char *)Instance->DeviceName, (char *)DeviceName) != 0)
    {
        /* error, should have found matching DeviceName before end of list */
        if(Instance->InstanceChainNext == NULL)
        {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
            STTBX_Print(("\n%s fail no block named '%s' before end of list\n", identity, DeviceName));
#endif
            SEM_UNLOCK(Lock_InitTermOpenClose);
            return(STTUNER_ERROR_INITSTATE);
        }
        Instance = Instance->InstanceChainNext;   /* next block */
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("(%s)", Instance->DeviceName));
#endif
    }
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print((" found ok\n"));
#endif

#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
    STTBX_Print(("%s using block at 0x%08x\n", identity, (U32)Instance));
#endif

    /* check handle IS actually free */
    if(Instance->TopLevelHandle != STTUNER_MAX_HANDLES)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail driver instance already open\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(ST_ERROR_OPEN_HANDLE);
    }
    /* else now got pointer to free (and valid) data block */

    
     
     ChipID = STTUNER_IOREG_GetRegister( &(Instance->DeviceMap), Instance->IOHandle, R_ID);
  












    if ( (ChipID & 0x30) ==  0x00)   /* Accept cuts 1 (0x30) */
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail device not found (0x%02x)\n", identity, ChipID));
#endif
       











        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(ST_ERROR_UNKNOWN_DEVICE);
    }
    else
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s device found, release/revision=%u\n", identity, ChipID & 0x30));
#endif
    }
 /* reset all chip registers */
      Error = STTUNER_IOREG_Reset(&(Instance->DeviceMap), Instance->IOHandle,Def361Val,STV0361_address);


    /* Set serial/parallel data mode */
    if (Instance->TSOutputMode == STTUNER_TS_MODE_SERIAL)
    {
        
          Error |= STTUNER_IOREG_SetField(&(Instance->DeviceMap), Instance->IOHandle, OUTRS_SP, 1);
    }
    else
    {
         Error |= STTUNER_IOREG_SetField(&(Instance->DeviceMap), Instance->IOHandle, OUTRS_SP, 0);
    }
  /*set data clock polarity mode (rising/falling)*/
    switch(Instance->ClockPolarity)
    {
       case STTUNER_DATA_CLOCK_POLARITY_RISING:
    	  STTUNER_IOREG_SetField(&(Instance->DeviceMap), Instance->IOHandle, CLK_POL, 1);
    	 break;
       case STTUNER_DATA_CLOCK_POLARITY_FALLING:
    	  STTUNER_IOREG_SetField(&(Instance->DeviceMap), Instance->IOHandle, CLK_POL, 0);
    	 break;
       case STTUNER_DATA_CLOCK_POLARITY_DEFAULT:
    	 STTUNER_IOREG_SetField(&(Instance->DeviceMap), Instance->IOHandle, CLK_POL, 0);
         break;
    	default:
    	break;
    }
    /* Set capabilties */
    Capability->FECAvail        = STTUNER_FEC_ALL;  /* direct mapping to STTUNER_FECRate_t    */
    Capability->ModulationAvail = STTUNER_MOD_ALL;  /* direct mapping to STTUNER_Modulation_t */
    Capability->AGCControl      = FALSE;
    Capability->SymbolMin       =  1000000; /*   1 MegaSymbols/sec */
    Capability->SymbolMax       = 50000000; /*  50 MegaSymbols/sec */

    Capability->BerMax           = MAX_BER;
    Capability->SignalQualityMax = MAX_SIGNAL_QUALITY;
    Capability->AgcMax           = MAX_AGC;






    /* finally (as nor more errors to check for, allocate handle */
    Instance->TopLevelHandle = OpenParams->TopLevelHandle;
    *Handle = (U32)Instance;

#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
    STTBX_Print(("%s opened ok\n", identity));
#endif

    SEM_UNLOCK(Lock_InitTermOpenClose);
    



        return(Error);
}



/* ----------------------------------------------------------------------------
Name: demod_d0361_Close()

Description:

Parameters:

Return Value:
---------------------------------------------------------------------------- */
ST_ErrorCode_t demod_d0361_Close(DEMOD_Handle_t Handle, DEMOD_CloseParams_t *CloseParams)
{
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
   const char *identity = "STTUNER d0361.c demod_d0361_Close()";
#endif
    ST_ErrorCode_t Error = ST_NO_ERROR;
    D0361_InstanceData_t     *Instance;

    /* private driver instance data */
    Instance = D0361_GetInstFromHandle(Handle);

    if(Installed == FALSE)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail driver not installed\n", identity));
#endif
        return(STTUNER_ERROR_INITSTATE);
    }

    SEM_LOCK(Lock_InitTermOpenClose);

    /* ---------- check that at least one init has taken place ---------- */
    if(InstanceChainTop == NULL)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail nothing initalized\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(STTUNER_ERROR_INITSTATE);
    }

    if(Instance->TopLevelHandle == STTUNER_MAX_HANDLES)
    {
#ifdef STTUNER_DEBUG_MODULE_TERDRV_D0361
        STTBX_Print(("%s fail driver instance not open\n", identity));
#endif
        SEM_UNLOCK(Lock_InitTermOpenClose);
        return(ST_ERROR_OPEN_HANDLE);
    }