gensituner.h

完整的基于Conxant平台的USB电视棒的WIN驱动程序。

/*+++ *******************************************************************\
*
*  Copyright and Disclaimer:
*
*     ---------------------------------------------------------------
*     This software is provided "AS IS" without warranty of any kind,
*     either expressed or implied, including but not limited to the
*     implied warranties of noninfringement, merchantability and/or
*     fitness for a particular purpose.
*     ---------------------------------------------------------------
*
*     Copyright (c) 2006 Conexant Systems, Inc.
*     All rights reserved.
*
\******************************************************************* ---*/
#ifndef _GEN_SI_TUNER_H_
#define _GEN_SI_TUNER_H_

#include "ITuner.h"

/***********************************************************************/
// The following definitions can be increased based on the available
// decoders and the IF combination. The appropriate new table should be
// created to suppport new tv mode and get_DTV_tv_mode() function need to be
// updated correctly with new definition
/***********************************************************************/

#define     CNXT_DTV6_4_57_MHz       1
#define     CNXT_DTV7_4_57_MHz       2
#define     CNXT_DTV8_4_57_MHz       3
#define     LG_DTV6_6_0_MHz          4
#define     ATI_DTV6_6_38_MHz        5
#define     OREN_DTV6_3_6_MHz        6
#define     OREN_DTV6_5_38_MHz       7
#define     TOYOTA_DTV6_3_88_MHz     8
#define     TOYOTA_DTV6_7_94_MHz     9
#define     DTV6_QAM_6_0_MHz         10
#define     DIBCOM_DTV7_5_2_MHz      11
#define     DIBCOM_DTV8_5_2_MHz      12
#define     DIBCOM_DTV78_5_2_MHz     13
#define     ZARLINK_DTV7_4_56_MHz    14
#define     ZARLINK_DTV8_4_56_MHz    15
#define     ZARLINK_DTV78_4_56_MHz   16
#define     CHINA_DTV8_TEMP          17

#define     UNDEFINE_FIRMWARE       0
#define     NTSC_FIRMWARE           1
#define     PAL_FIRMWARE            2
#define     FM_INPUT1_FIRMWARE      3
#define     FM_INPUT2_FIRMWARE      4


/* GenSiTuner class

   This class contains all the functionality required for tuning NTSC/ PAL mode signals
*/
// Classes

class I2cIF;
class ResetIF;

class GenSiTuner : public ITuner
{
public:
    GenSiTuner(I2cIF* p_i2c, ResetIF* p_RstIf, DWORD country_code, BYTE tuner_address = 0xC2, void *tuner_private = NULL);

    virtual ~GenSiTuner();

    virtual BOOLEAN setFrequency(ULONG frequency, DWORD standard);
    virtual BOOLEAN setFrequency(PULONG p_frequency, DWORD standard, DWORD tuning_flags);

    //GetSignalOffset() return values:
    // 0 if signal is locked
    // -1 if no signal detected
    // other value needed to add to signal if signal is detected off the central frequency
    virtual LONG    getSignalOffset();
    virtual BOOLEAN setMode(ULONG mode);

    //Accessors to tuner information
    virtual DWORD   getSupportedModes();
    virtual DWORD   getSupportedStandards(ULONG mode);
    virtual DWORD   getMinFrequency(ULONG mode);
    virtual DWORD   getMaxFrequency(ULONG mode);
    virtual DWORD   getNumInputs(ULONG mode);
    
    BOOLEAN         setStandard(DWORD standard);
    BOOLEAN         setCountry(DWORD country);
    BOOLEAN         Initialize();
    BOOLEAN         isFirmwareLoaded();

    // set fm input number
    void            setFMInputNumber(BYTE input);

    // Get device version information.
    int             getTunerVersion( unsigned char* hw_majorversion,unsigned char* hw_minorversion,
                         unsigned char* fw_majorversion, unsigned char* fw_minorversion);

    // Get video standard for country
    BOOLEAN         getVideoStdsForCountry(DWORD country_code,
                                   KS_AnalogVideoStandard* p_video_standard);

    // reset the current tv mode settings
    void            resetCurrentTVmode();

    // get Curretn TV mode which a static variable
    BYTE            getCurrrentTVmode();

    // set DTV frequency only for Digital frequency
    BOOLEAN         setDTVfrequency(ULONG uc_tv_mode,ULONG ul_frequency, ULONG ul_channel_bandwidth);
    BOOLEAN         setDTVfrequency(ULONG uc_tv_mode,ULONG ul_frequency, ULONG ul_channel_bandwidth, ULONG saw_center_freq_type);

    // get DTV tuner lock status by reading adc envelope register
    BOOLEAN         getDTVtunerLockStatus(unsigned short *p_adc_envelope);

    // restore DTV mode
    BOOLEAN         restoreDTVmode();

    // power down
    BOOLEAN         powerDown();

private:
   
  

    virtual         VOID adjustAGC_overrides(void* p_tuner, void* callback_context,
                        void (*GenSiCallback)(void *p_DIF, DWORD command, void* callback_context));

    ULONG           CalculateSawCenterFrequency( ULONG uc_tv_mode,
                                                    ULONG ul_saw_filter_type,
                                                    ULONG ul_channel_bandwidth,
                                                    ULONG saw_freq_type =0) ;
    VOID            InitializeOffsetFreqTable();

    void            *_p_tuner_control;
    void            *_p_tuner_private;

    I2cIF           *_p_i2c;
    BYTE            _i2c_address;
    BYTE            _init;  // 0 -- boot mode
                            // 1 -- standby -> resume mode Or Hibernate -> resume mode

    ULONG           _mode;
    ULONG           _frequency;
    
    DWORD           _standard;
    DWORD           _country_code;
    DWORD           _firmware_type;
};
#endif