/******************************************************************************
/
/       File:                   Tuner.h
/
/       Description:    Philips Desktop TV Tuners interface.
/
/       Copyright 2001, Carlos Hasan
/
*******************************************************************************/

#ifndef __TUNER_H__
#define __TUNER_H__

#include "I2CPort.h"

enum tuner_type {
    C_TUNER_NONE                        = 0x1400,   /* Unknown */
    C_TUNER_FI1236                      = 0x1401,   /* NTSC M/N */
    C_TUNER_FI1236J                     = 0x1402,   /* NTSC Japan */
    C_TUNER_FI1236MK2                   = 0x1403,   /* NTSC M/N */
    C_TUNER_FI1216                      = 0x1404,   /* PAL B/G */
    C_TUNER_FI1216MK2                   = 0x1405,   /* PAL B/G */
    C_TUNER_FI1216MF                    = 0x1406,   /* PAL B/G, SECAM L/L' */
    C_TUNER_FI1246                      = 0x1407,   /* PAL I */
    C_TUNER_FI1256                      = 0x1408,   /* SECAM D/K */
    C_TUNER_TEMIC_FN5AL_PAL                     = 0x1409,       /* PAL I/B/G/DK */
    C_TUNER_TEMIC_FN5AL_SECAM           = 0x140a        /* SECAM DK */
};

enum tuner_picture_carrier {
        C_TUNER_NTSC_PICTURE_CARRIER    = 4575,
        C_TUNER_PAL_PICTURE_CARRIER             = 3890,
        C_TUNER_SECAM_PICTURE_CARRIER   = 3890
};

class CTuner {
public:
        CTuner(CI2CPort & port);
        
        ~CTuner();
        
        status_t InitCheck() const;

        const char * Name() const;
        
        tuner_type Type() const;
        
        bool SetFrequency(float frequency, float picture);

        bool SweepFrequency(float frequency, float picture);

        bool HasSignal(void);

        int Status();
        
        bool IsLocked();

        int ADC();
        
private:
        void SetParameters(int divider, int control, int band);
        
private:
        CI2CPort & fPort;
        tuner_type fType;
        int fAddress;
        int fDivider;
};

#endif