theatre.c

x.org上有关ati系列显卡最新驱动

                    WriteRT_fld (fld_VERT_LOCKOUT_END,     RT_NTSCJ_VERT_LOCKOUT_END);

                    break;
                default:
                    break;
            }
            break;
        case (DEC_PAL):  /*PAL GROUP  - 525 lines */
            WriteRT_fld (fld_STANDARD_SEL,     RT_PAL);
            WriteRT_fld (fld_SYNCTIP_REF0,     RT_PAL_SYNCTIP_REF0);
            WriteRT_fld (fld_SYNCTIP_REF1,     RT_PAL_SYNCTIP_REF1);
	    
            WriteRT_fld (fld_CLAMP_REF,         RT_PAL_CLAMP_REF);
            WriteRT_fld (fld_AGC_PEAKWHITE,    RT_PAL_PEAKWHITE);
            WriteRT_fld (fld_VBI_PEAKWHITE,    RT_PAL_VBI_PEAKWHITE);

            WriteRT_fld (fld_WPA_THRESHOLD,    RT_PAL_WPA_THRESHOLD);
            WriteRT_fld (fld_WPA_TRIGGER_LO,   RT_PAL_WPA_TRIGGER_LO);
            WriteRT_fld (fld_WPA_TRIGGER_HIGH, RT_PAL_WPA_TRIGGER_HIGH);

            WriteRT_fld (fld_LOCKOUT_START,RT_PAL_LP_LOCKOUT_START);
            WriteRT_fld (fld_LOCKOUT_END,  RT_PAL_LP_LOCKOUT_END);
            WriteRT_fld (fld_CH_DTO_INC,       RT_PAL_CH_DTO_INC);
            WriteRT_fld (fld_PLL_SGAIN,        RT_PAL_CH_PLL_SGAIN);
            WriteRT_fld (fld_PLL_FGAIN,        RT_PAL_CH_PLL_FGAIN);

            WriteRT_fld (fld_CR_BURST_GAIN,    RT_PAL_CR_BURST_GAIN);
            WriteRT_fld (fld_CB_BURST_GAIN,    RT_PAL_CB_BURST_GAIN);

            WriteRT_fld (fld_CRDR_ACTIVE_GAIN, RT_PAL_CRDR_ACTIVE_GAIN);
            WriteRT_fld (fld_CBDB_ACTIVE_GAIN, RT_PAL_CBDB_ACTIVE_GAIN);

            WriteRT_fld (fld_CH_HEIGHT,        RT_PAL_CH_HEIGHT);
            WriteRT_fld (fld_CH_KILL_LEVEL,    RT_PAL_CH_KILL_LEVEL);

            WriteRT_fld (fld_CH_AGC_ERROR_LIM, RT_PAL_CH_AGC_ERROR_LIM);
            WriteRT_fld (fld_CH_AGC_FILTER_EN, RT_PAL_CH_AGC_FILTER_EN);
            WriteRT_fld (fld_CH_AGC_LOOP_SPEED,RT_PAL_CH_AGC_LOOP_SPEED);

            WriteRT_fld (fld_VERT_LOCKOUT_START,   RT_PAL_VERT_LOCKOUT_START);
            WriteRT_fld (fld_VERT_LOCKOUT_END, RT_PAL_VERT_LOCKOUT_END);
            WriteRT_fld (fld_VS_FIELD_BLANK_START,  (CARD16)RT_PALSEM_VS_FIELD_BLANK_START);

            WriteRT_fld (fld_VS_FIELD_BLANK_END,   RT_PAL_VS_FIELD_BLANK_END);

            WriteRT_fld (fld_H_ACTIVE_START,   RT_PAL_H_ACTIVE_START);
            WriteRT_fld (fld_H_ACTIVE_END,   RT_PAL_H_ACTIVE_END);

            WriteRT_fld (fld_V_ACTIVE_START,   RT_PAL_V_ACTIVE_START);
            WriteRT_fld (fld_V_ACTIVE_END,   RT_PAL_V_ACTIVE_END);

            WriteRT_fld (fld_H_VBI_WIND_START,   RT_PAL_H_VBI_WIND_START);
            WriteRT_fld (fld_H_VBI_WIND_END,   RT_PAL_H_VBI_WIND_END);

            WriteRT_fld (fld_V_VBI_WIND_START,   RT_PAL_V_VBI_WIND_START);
            WriteRT_fld (fld_V_VBI_WIND_END,   RT_PAL_V_VBI_WIND_END);

	    /* Magic 0.10 is correct - according to Ivo. Also see SECAM code below */
/*            WriteRT_fld (fld_UV_INT_START,   (CARD8)( (0.12 * dbLPeriod * dbFsamp / 2.0) + 0.5 - 32 )); */
            WriteRT_fld (fld_UV_INT_START,   (CARD8)( (0.10 * dbLPeriod * dbFsamp / 2.0) + 0.5 - 32 ));

            WriteRT_fld (fld_VSYNC_INT_TRIGGER , (CARD16) RT_PALSEM_VSYNC_INT_TRIGGER);
            WriteRT_fld (fld_VSYNC_INT_HOLD, (CARD16) RT_PALSEM_VSYNC_INT_HOLD);

            break;
        case (DEC_SECAM):  /*PAL GROUP*/
            WriteRT_fld (fld_STANDARD_SEL,     RT_SECAM);
            WriteRT_fld (fld_SYNCTIP_REF0,     RT_SECAM_SYNCTIP_REF0);
            WriteRT_fld (fld_SYNCTIP_REF1,     RT_SECAM_SYNCTIP_REF1);
            WriteRT_fld (fld_CLAMP_REF,         RT_SECAM_CLAMP_REF);
            WriteRT_fld (fld_AGC_PEAKWHITE,    RT_SECAM_PEAKWHITE);
            WriteRT_fld (fld_VBI_PEAKWHITE,    RT_SECAM_VBI_PEAKWHITE);

            WriteRT_fld (fld_WPA_THRESHOLD,    RT_SECAM_WPA_THRESHOLD);

            WriteRT_fld (fld_WPA_TRIGGER_LO,   RT_SECAM_WPA_TRIGGER_LO);
            WriteRT_fld (fld_WPA_TRIGGER_HIGH, RT_SECAM_WPA_TRIGGER_HIGH);

            WriteRT_fld (fld_LOCKOUT_START,RT_SECAM_LP_LOCKOUT_START);
            WriteRT_fld (fld_LOCKOUT_END,  RT_SECAM_LP_LOCKOUT_END);

            WriteRT_fld (fld_CH_DTO_INC,       RT_SECAM_CH_DTO_INC);
            WriteRT_fld (fld_PLL_SGAIN,        RT_SECAM_CH_PLL_SGAIN);
            WriteRT_fld (fld_PLL_FGAIN,        RT_SECAM_CH_PLL_FGAIN);

            WriteRT_fld (fld_CR_BURST_GAIN,    RT_SECAM_CR_BURST_GAIN);
            WriteRT_fld (fld_CB_BURST_GAIN,    RT_SECAM_CB_BURST_GAIN);

            WriteRT_fld (fld_CRDR_ACTIVE_GAIN, RT_SECAM_CRDR_ACTIVE_GAIN);
            WriteRT_fld (fld_CBDB_ACTIVE_GAIN, RT_SECAM_CBDB_ACTIVE_GAIN);

            WriteRT_fld (fld_CH_HEIGHT,        RT_SECAM_CH_HEIGHT);
            WriteRT_fld (fld_CH_KILL_LEVEL,    RT_SECAM_CH_KILL_LEVEL);

            WriteRT_fld (fld_CH_AGC_ERROR_LIM, RT_SECAM_CH_AGC_ERROR_LIM);
            WriteRT_fld (fld_CH_AGC_FILTER_EN, RT_SECAM_CH_AGC_FILTER_EN);
            WriteRT_fld (fld_CH_AGC_LOOP_SPEED,RT_SECAM_CH_AGC_LOOP_SPEED);

            WriteRT_fld (fld_VERT_LOCKOUT_START,   RT_SECAM_VERT_LOCKOUT_START);  /*Might not need */
            WriteRT_fld (fld_VERT_LOCKOUT_END, RT_SECAM_VERT_LOCKOUT_END);  /* Might not need */

            WriteRT_fld (fld_VS_FIELD_BLANK_START,  (CARD16)RT_PALSEM_VS_FIELD_BLANK_START);
            WriteRT_fld (fld_VS_FIELD_BLANK_END,   RT_PAL_VS_FIELD_BLANK_END);

            WriteRT_fld (fld_H_ACTIVE_START,   RT_PAL_H_ACTIVE_START);
            WriteRT_fld (fld_H_ACTIVE_END,   RT_PAL_H_ACTIVE_END);

            WriteRT_fld (fld_V_ACTIVE_START,   RT_PAL_V_ACTIVE_START);
            WriteRT_fld (fld_V_ACTIVE_END,   RT_PAL_V_ACTIVE_END);

            WriteRT_fld (fld_H_VBI_WIND_START,   RT_PAL_H_VBI_WIND_START);
            WriteRT_fld (fld_H_VBI_WIND_END,   RT_PAL_H_VBI_WIND_END);

            WriteRT_fld (fld_V_VBI_WIND_START,   RT_PAL_V_VBI_WIND_START);
            WriteRT_fld (fld_V_VBI_WIND_END,   RT_PAL_V_VBI_WIND_END);

            WriteRT_fld (fld_VSYNC_INT_TRIGGER , (CARD16) RT_PALSEM_VSYNC_INT_TRIGGER);
            WriteRT_fld (fld_VSYNC_INT_HOLD, (CARD16) RT_PALSEM_VSYNC_INT_HOLD);

/*            WriteRT_fld (fld_UV_INT_START,   (CARD8)( (0.12 * dbLPeriod * dbFsamp / 2.0) + 0.5 - 32 )); */
            WriteRT_fld (fld_UV_INT_START,   (CARD8)( (0.10 * dbLPeriod * dbFsamp / 2.0) + 0.5 - 32 ));

            break;
        default:
            break;
    }

    if (t->wConnector == DEC_SVIDEO)
    {

        RT_SetCombFilter (t, wStandard, RT_SVIDEO);
    }
    else
    {
        /* Set up extra (connector and std) registers. */
        RT_SetCombFilter (t, wStandard, RT_COMPOSITE);
    }

    /* Set the following values according to the formulas */
    WriteRT_fld (fld_HS_LINE_TOTAL, (CARD16)((dbLPeriod * dbFsamp / 2.0) +0.5));
    /* According to Ivo PAL/SECAM needs different treatment */
    switch(wStandard & 0x00FF)
    {
        case DEC_PAL:
	case DEC_SECAM:
			WriteRT_fld (fld_MIN_PULSE_WIDTH, (CARD8)(0.5 * dbSPPeriod * dbFsamp/2.0));
			WriteRT_fld (fld_MAX_PULSE_WIDTH, (CARD8)(1.5 * dbSPPeriod * dbFsamp/2.0));
    			WriteRT_fld (fld_WIN_OPEN_LIMIT, (CARD16)(((dbLPeriod * dbFsamp / 4.0) + 0.5) - 16));
  		    	WriteRT_fld (fld_WIN_CLOSE_LIMIT, (CARD16)(2.39 * dbSPPeriod * dbFsamp / 2.0));
		/*    	WriteRT_fld (fld_VS_FIELD_IDLOCATION,   (CARD16)RT_PAL_FIELD_IDLOCATION); */
		/*      According to docs the following value will work right, though the resulting stream deviates
		        slightly from CCIR..., in particular the value that was before will do nuts to VCRs in
			pause/rewind state. */
		    	WriteRT_fld (fld_VS_FIELD_IDLOCATION,   (CARD16)0x01);
		    	WriteRT_fld (fld_HS_PLL_SGAIN, 2);
			break;
  	case DEC_NTSC:
			WriteRT_fld (fld_MIN_PULSE_WIDTH, (CARD8)(0.75 * dbSPPeriod * dbFsamp/2.0));
    			WriteRT_fld (fld_MAX_PULSE_WIDTH, (CARD8)(1.25 * dbSPPeriod * dbFsamp/2.0));
    			WriteRT_fld (fld_WIN_OPEN_LIMIT, (CARD16)(((dbLPeriod * dbFsamp / 4.0) + 0.5) - 16));
    			WriteRT_fld (fld_WIN_CLOSE_LIMIT, (CARD16)(1.15 * dbSPPeriod * dbFsamp / 2.0));
    		/*	WriteRT_fld (fld_VS_FIELD_IDLOCATION,   (CARD16)fld_VS_FIELD_IDLOCATION_def);*/
		/*      I think the default value was the same as the one here.. does not hurt to hardcode it */
			WriteRT_fld (fld_VS_FIELD_IDLOCATION,   (CARD16)0x01);

     }

    WriteRT_fld (fld_VS_FRAME_TOTAL,   (CARD16)(wFrameTotal) + 10);
    WriteRT_fld (fld_BLACK_INT_START,   (CARD8)((0.09 * dbLPeriod * dbFsamp / 2.0) - 32 ));
    WriteRT_fld (fld_SYNC_TIP_START,   (CARD16)((dbLPeriod * dbFsamp / 2.0 + 0.5) - 28 ));

    return;

} /* RT_SetStandard ()... */



/****************************************************************************
 * RT_SetCombFilter (CARD16 wStandard, CARD16 wConnector)                       *
 *  Function: sets the input comb filter based on the standard and          *
 *            connector being used (composite vs. svideo)                   *
 *    Inputs: CARD16 wStandard - input standard (NTSC, PAL, SECAM)            *
 *            CARD16 wConnector - COMPOSITE, SVIDEO                           *
 *   Outputs: NONE                                                          *
 ****************************************************************************/
void RT_SetCombFilter (TheatrePtr t, CARD16 wStandard, CARD16 wConnector)
{
    CARD32 dwComb_Cntl0=0;
    CARD32 dwComb_Cntl1=0;
    CARD32 dwComb_Cntl2=0;
    CARD32 dwComb_Line_Length=0;

    switch (wConnector)
    {
        case RT_COMPOSITE:
                switch (wStandard & 0x00FF)
                {
                    case (DEC_NTSC):
                        switch (wStandard & 0xFF00)
                        {
                            case  (extNONE):
                            case  (extNTSC):
                            case  (extNTSC_J):
                                dwComb_Cntl0= RT_NTSCM_COMB_CNTL0_COMPOSITE;
                                dwComb_Cntl1= RT_NTSCM_COMB_CNTL1_COMPOSITE;
                                dwComb_Cntl2= RT_NTSCM_COMB_CNTL2_COMPOSITE;
                                dwComb_Line_Length= RT_NTSCM_COMB_LENGTH_COMPOSITE;
                                break;
                            case  (extPAL_M):
                                dwComb_Cntl0= RT_PALM_COMB_CNTL0_COMPOSITE;
                                dwComb_Cntl1= RT_PALM_COMB_CNTL1_COMPOSITE;
                                dwComb_Cntl2= RT_PALM_COMB_CNTL2_COMPOSITE;
                                dwComb_Line_Length= RT_PALM_COMB_LENGTH_COMPOSITE;
                                break;
                            default:
                                return;
                        }
                        break;
                    case (DEC_PAL):
                        switch (wStandard & 0xFF00)
                        {
                            case  (extNONE):
                            case  (extPAL):
                                dwComb_Cntl0=   RT_PAL_COMB_CNTL0_COMPOSITE;
                                dwComb_Cntl1=   RT_PAL_COMB_CNTL1_COMPOSITE;
                                dwComb_Cntl2=   RT_PAL_COMB_CNTL2_COMPOSITE;
                                dwComb_Line_Length=  RT_PAL_COMB_LENGTH_COMPOSITE;
                                break;
                            case  (extPAL_N):
                                dwComb_Cntl0=   RT_PALN_COMB_CNTL0_COMPOSITE;
                                dwComb_Cntl1=   RT_PALN_COMB_CNTL1_COMPOSITE;
                                dwComb_Cntl2=   RT_PALN_COMB_CNTL2_COMPOSITE;
                                dwComb_Line_Length=  RT_PALN_COMB_LENGTH_COMPOSITE;
                                break;
                            default:
                                return;
                        }
                        break;
                    case (DEC_SECAM):
                        dwComb_Cntl0=   RT_SECAM_COMB_CNTL0_COMPOSITE;
                        dwComb_Cntl1=   RT_SECAM_COMB_CNTL1_COMPOSITE;
                        dwComb_Cntl2=   RT_SECAM_COMB_CNTL2_COMPOSITE;
                        dwComb_Line_Length=  RT_SECAM_COMB_LENGTH_COMPOSITE;
                        break;
                    default:
                        return;
                }
            break;
        case RT_SVIDEO:
                switch (wStandard & 0x00FF)
                {
                    case (DEC_NTSC):
                        switch (wStandard & 0xFF00)
                        {
                            case  (extNONE):
                            case  (extNTSC):
                                dwComb_Cntl0= RT_NTSCM_COMB_CNTL0_SVIDEO;
                                dwComb_Cntl1= RT_NTSCM_COMB_CNTL1_SVIDEO;
                                dwComb_Cntl2= RT_NTSCM_COMB_CNTL2_SVIDEO;
                                dwComb_Line_Length= RT_NTSCM_COMB_LENGTH_SVIDEO;
                                break;
                            case  (extPAL_M):
                                dwComb_Cntl0= RT_PALM_COMB_CNTL0_SVIDEO;
                                dwComb_Cntl1= RT_PALM_COMB_CNTL1_SVIDEO;
                                dwComb_Cntl2= RT_PALM_COMB_CNTL2_SVIDEO;
                                dwComb_Line_Length= RT_PALM_COMB_LENGTH_SVIDEO;
                                break;
                            default:
                                return;
                        }
                        break;
                    case (DEC_PAL):
                        switch (wStandard & 0xFF00)
                        {
                            case  (extNONE):
                            case  (extPAL):
                                dwComb_Cntl0=   RT_PAL_COMB_CNTL0_SVIDEO;
                                dwComb_Cntl1=   RT_PAL_COMB_CNTL1_SVIDEO;
                                dwComb_Cntl2=   RT_PAL_COMB_CNTL2_SVIDEO;
                                dwComb_Line_Length=  RT_PAL_COMB_LENGTH_SVIDEO;
                                break;
                            case  (extPAL_N):
                                dwComb_Cntl0=   RT_PALN_COMB_CNTL0_SVIDEO;
                                dwComb_Cntl1=   RT_PALN_COMB_CNTL1_SVIDEO;
                                dwComb_Cntl2=   RT_PALN_COMB_CNTL2_SVIDEO;
                                dwComb_Line_Length=  RT_PALN_COMB_LENGTH_SVIDEO;
                                break;
                            default:
                                return;
                        }
                        break;
                    case (DEC_SECAM):
                        dwComb_Cntl0=   RT_SECAM_COMB_CNTL0_SVIDEO;
                        dwComb_Cntl1=   RT_SECAM_COMB_CNTL1_SVIDEO;
                        dwComb_Cntl2=   RT_SECAM_COMB_CNTL2_SVIDEO;
                        dwComb_Line_Length=  RT_SECAM_COMB_LENGTH_SVIDEO;
                        break;
                    default:
                        return;
                }
            break;
        default:
            return;
    }

    WriteRT_fld (fld_COMB_CNTL0, dwComb_Cntl0);
    WriteRT_fld (fld_COMB_CNTL1, dwComb_Cntl1);
    WriteRT_fld (fld_COMB_CNTL2, dwComb_Cntl2);
    WriteRT_f