source: vbox/trunk/src/VBox/Additions/x11/x11include/xorg-server-1.3.0.0/fi1236.h

#ifndef __FI1236_H__
#define __FI1236_H__

#include "xf86i2c.h"

/* why someone has defined NUM someplace else is beyoung me.. */
#undef NUM

typedef struct {
        CARD32 fcar;           /* 16 * fcar_Mhz */
        CARD32 min_freq;       /* 16 * min_freq_Mhz */
        CARD32 max_freq;       /* 16 * max_freq_Mhz */
        
        CARD32 threshold1;     /* 16 * Value_Mhz */
        CARD32 threshold2;     /* 16 * Value_Mhz */
        
        CARD8  band_low;
        CARD8  band_mid;
        CARD8  band_high;
        CARD8  control;
        } FI1236_parameters;


typedef struct {
        /* what we want */
        /* all frequencies are in Mhz */
        double f_rf;    /* frequency to tune to */
        double f_if1;   /* first intermediate frequency */
        double f_if2;   /* second intermediate frequency */
        double f_ref;   /* reference frequency */
        double f_ifbw;  /* bandwidth */
        double f_step;  /* step */
        
        /* what we compute */
        double f_lo1;
        double f_lo2;
        int LO1I;
        int LO2I;
        int SEL;
        int STEP;
        int NUM;
        } MT2032_parameters;

typedef struct {
        I2CDevRec  d;
        int type;

        void* afc_source;    /* The AFC source may be another chip like TDA988x */
        
        int afc_delta;
        CARD32 original_frequency;
        Bool afc_timer_installed;
        int afc_count;
        int last_afc_hint;
        
        double video_if;
        FI1236_parameters parm;
        int xogc; /* for MT2032 */
        
        struct {
                CARD8   div1;
                CARD8   div2;
                CARD8   control;
                CARD8   band;
                CARD8     aux;  /* this is for MK3 tuners */
                } tuner_data;
        } FI1236Rec, *FI1236Ptr;

#define TUNER_TYPE_FI1236              0
#define TUNER_TYPE_FI1216              1
#define TUNER_TYPE_TEMIC_FN5AL         2
#define TUNER_TYPE_MT2032              3
#define TUNER_TYPE_FI1246              4
#define TUNER_TYPE_FI1256              5
#define TUNER_TYPE_FI1236W             6
#define TUNER_TYPE_FM1216ME            7

#define FI1236_ADDR(a)        ((a)->d.SlaveAddr)

#define FI1236_ADDR_1        0xC6
#define FI1236_ADDR_2        0xC0

#define TUNER_TUNED   0
#define TUNER_JUST_BELOW 1
#define TUNER_JUST_ABOVE -1
#define TUNER_OFF      4
#define TUNER_STILL_TUNING      5


FI1236Ptr Detect_FI1236(I2CBusPtr b, I2CSlaveAddr addr);
void FI1236_set_tuner_type(FI1236Ptr f, int type);
void TUNER_set_frequency(FI1236Ptr f, CARD32 frequency);
void FI1236_tune(FI1236Ptr f, CARD32 frequency);
int FI1236_AFC(FI1236Ptr f);
int TUNER_get_afc_hint(FI1236Ptr f);
void fi1236_dump_status(FI1236Ptr f);

#define FI1236SymbolsList  \
                "Detect_FI1236", \
                "FI1236_set_tuner_type", \
                "TUNER_set_frequency"

#define xf86_Detect_FI1236         ((FI1236Ptr (*)(I2CBusPtr, I2CSlaveAddr))LoaderSymbol("Detect_FI1236"))
#define xf86_FI1236_set_tuner_type ((void (*)(FI1236Ptr, int))LoaderSymbol("FI1236_set_tuner_type"))
#define xf86_TUNER_set_frequency           ((void (*)(FI1236Ptr, CARD32))LoaderSymbol("TUNER_set_frequency"))
#define xf86_FI1236_AFC           ((int (*)(FI1236Ptr))LoaderSymbol("FI1236_AFC"))
#define xf86_TUNER_get_afc_hint   ((int (*)(FI1236Ptr))LoaderSymbol("TUNER_get_afc_hint"))
#define xf86_fi1236_dump_status   ((void (*)(FI1236Ptr))LoaderSymbol("fi1236_dump_status"))

#endif