radeon_video.c

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	    (gamma_curve_r100[gamma].GAMMA_10_1F_OFFSET << 0x00000000) |
	    (gamma_curve_r100[gamma].GAMMA_10_1F_SLOPE << 0x00000010));
    	OUTREG(RADEON_OV0_GAMMA_020_03F,
	    (gamma_curve_r100[gamma].GAMMA_20_3F_OFFSET << 0x00000000) |
	    (gamma_curve_r100[gamma].GAMMA_20_3F_SLOPE << 0x00000010));
    	OUTREG(RADEON_OV0_GAMMA_040_07F,
	    (gamma_curve_r100[gamma].GAMMA_40_7F_OFFSET << 0x00000000) |
	    (gamma_curve_r100[gamma].GAMMA_40_7F_SLOPE << 0x00000010));
    	OUTREG(RADEON_OV0_GAMMA_380_3BF,
	    (gamma_curve_r100[gamma].GAMMA_380_3BF_OFFSET << 0x00000000) |
	    (gamma_curve_r100[gamma].GAMMA_380_3BF_SLOPE << 0x00000010));
    	OUTREG(RADEON_OV0_GAMMA_3C0_3FF,
	    (gamma_curve_r100[gamma].GAMMA_3C0_3FF_OFFSET << 0x00000000) |
	    (gamma_curve_r100[gamma].GAMMA_3C0_3FF_SLOPE << 0x00000010));
    }

}


/****************************************************************************
 * SetTransform                                                             *
 *  Function: Calculates and sets color space transform from supplied       *
 *            reference transform, gamma, brightness, contrast, hue and     *
 *            saturation.                                                   *
 *    Inputs: bright - brightness                                           *
 *            cont - contrast                                               *
 *            sat - saturation                                              *
 *            hue - hue                                                     *
 *            red_intensity - intensity of red component                    *
 *            green_intensity - intensity of green component                *
 *            blue_intensity - intensity of blue component                  *
 *            ref - index to the table of refernce transforms               *
 *            user_gamma - gamma value x 1000 (e.g., 1200 = gamma of 1.2)   *
 *   Outputs: NONE                                                          *
 ****************************************************************************/

static void RADEONSetTransform (ScrnInfoPtr pScrn,
				float	    bright,
				float	    cont,
				float	    sat,
				float	    hue,
				float	    red_intensity,
				float	    green_intensity,
				float	    blue_intensity,
				CARD32	    ref,
				CARD32      user_gamma)
{
    RADEONInfoPtr    info = RADEONPTR(pScrn);
    unsigned char   *RADEONMMIO = info->MMIO;
    float	    OvHueSin, OvHueCos;
    float	    CAdjLuma, CAdjOff;
    float	    CAdjRCb, CAdjRCr;
    float	    CAdjGCb, CAdjGCr;
    float	    CAdjBCb, CAdjBCr;
    float	    RedAdj,GreenAdj,BlueAdj;
    float	    OvLuma, OvROff, OvGOff, OvBOff;
    float	    OvRCb, OvRCr;
    float	    OvGCb, OvGCr;
    float	    OvBCb, OvBCr;
    float	    Loff = 64.0;
    float	    Coff = 512.0f;

    CARD32	    dwOvLuma, dwOvROff, dwOvGOff, dwOvBOff;
    CARD32	    dwOvRCb, dwOvRCr;
    CARD32	    dwOvGCb, dwOvGCr;
    CARD32	    dwOvBCb, dwOvBCr;
    CARD32	    gamma = 0;

    if (ref >= 2)
	return;

    /* translate from user_gamma (gamma x 1000) to radeon gamma table index value */
    if (user_gamma <= 925)       /* 0.85 */
	gamma = 1;
    else if (user_gamma <= 1050) /* 1.0  */
	gamma = 0;
    else if (user_gamma <= 1150) /* 1.1  */
	gamma = 2;
    else if (user_gamma <= 1325) /* 1.2  */
	gamma = 3;
    else if (user_gamma <= 1575) /* 1.45 */
	gamma = 4;
    else if (user_gamma <= 1950) /* 1.7  */
	gamma = 5;
    else if (user_gamma <= 2350) /* 2.2  */
	gamma = 6;
    else if (user_gamma > 2350)  /* 2.5  */
	gamma = 7;

    if (gamma >= 8) 
	return;

    OvHueSin = sin(hue);
    OvHueCos = cos(hue);

    CAdjLuma = cont * trans[ref].RefLuma;
    CAdjOff = cont * trans[ref].RefLuma * bright * 1023.0;
    RedAdj = cont * trans[ref].RefLuma * red_intensity * 1023.0;
    GreenAdj = cont * trans[ref].RefLuma * green_intensity * 1023.0;
    BlueAdj = cont * trans[ref].RefLuma * blue_intensity * 1023.0;

    CAdjRCb = sat * -OvHueSin * trans[ref].RefRCr;
    CAdjRCr = sat * OvHueCos * trans[ref].RefRCr;
    CAdjGCb = sat * (OvHueCos * trans[ref].RefGCb - OvHueSin * trans[ref].RefGCr);
    CAdjGCr = sat * (OvHueSin * trans[ref].RefGCb + OvHueCos * trans[ref].RefGCr);
    CAdjBCb = sat * OvHueCos * trans[ref].RefBCb;
    CAdjBCr = sat * OvHueSin * trans[ref].RefBCb;

#if 0 /* default constants */
    CAdjLuma = 1.16455078125;

    CAdjRCb = 0.0;
    CAdjRCr = 1.59619140625;
    CAdjGCb = -0.39111328125;
    CAdjGCr = -0.8125;
    CAdjBCb = 2.01708984375;
    CAdjBCr = 0;
#endif

    OvLuma = CAdjLuma * gamma_curve_r100[gamma].OvGammaCont;
    OvRCb = CAdjRCb * gamma_curve_r100[gamma].OvGammaCont;
    OvRCr = CAdjRCr * gamma_curve_r100[gamma].OvGammaCont;
    OvGCb = CAdjGCb * gamma_curve_r100[gamma].OvGammaCont;
    OvGCr = CAdjGCr * gamma_curve_r100[gamma].OvGammaCont;
    OvBCb = CAdjBCb * gamma_curve_r100[gamma].OvGammaCont;
    OvBCr = CAdjBCr * gamma_curve_r100[gamma].OvGammaCont;
    OvROff = CAdjOff * gamma_curve_r100[gamma].OvGammaCont - 
	OvLuma * Loff - (OvRCb + OvRCr) * Coff;
    OvGOff = CAdjOff * gamma_curve_r100[gamma].OvGammaCont - 
	OvLuma * Loff - (OvGCb + OvGCr) * Coff;
    OvBOff = CAdjOff * gamma_curve_r100[gamma].OvGammaCont - 
	OvLuma * Loff - (OvBCb + OvBCr) * Coff;
#if 0 /* default constants */
    OvROff = -888.5;
    OvGOff = 545;
    OvBOff = -1104;
#endif

    OvROff = ClipValue(OvROff, -2048.0, 2047.5);
    OvGOff = ClipValue(OvGOff, -2048.0, 2047.5);
    OvBOff = ClipValue(OvBOff, -2048.0, 2047.5);
    dwOvROff = ((INT32)(OvROff * 2.0)) & 0x1fff;
    dwOvGOff = ((INT32)(OvGOff * 2.0)) & 0x1fff;
    dwOvBOff = ((INT32)(OvBOff * 2.0)) & 0x1fff;

    if(info->ChipFamily == CHIP_FAMILY_RADEON)
    {
	dwOvLuma =(((INT32)(OvLuma * 2048.0))&0x7fff)<<17;
	dwOvRCb = (((INT32)(OvRCb * 2048.0))&0x7fff)<<1;
	dwOvRCr = (((INT32)(OvRCr * 2048.0))&0x7fff)<<17;
	dwOvGCb = (((INT32)(OvGCb * 2048.0))&0x7fff)<<1;
	dwOvGCr = (((INT32)(OvGCr * 2048.0))&0x7fff)<<17;
	dwOvBCb = (((INT32)(OvBCb * 2048.0))&0x7fff)<<1;
	dwOvBCr = (((INT32)(OvBCr * 2048.0))&0x7fff)<<17;
    }
    else
    {
	dwOvLuma = (((INT32)(OvLuma * 256.0))&0xfff)<<20;
	dwOvRCb = (((INT32)(OvRCb * 256.0))&0xfff)<<4;
	dwOvRCr = (((INT32)(OvRCr * 256.0))&0xfff)<<20;
	dwOvGCb = (((INT32)(OvGCb * 256.0))&0xfff)<<4;
	dwOvGCr = (((INT32)(OvGCr * 256.0))&0xfff)<<20;
	dwOvBCb = (((INT32)(OvBCb * 256.0))&0xfff)<<4;
	dwOvBCr = (((INT32)(OvBCr * 256.0))&0xfff)<<20;
    }

    /* set gamma */
    RADEONSetOverlayGamma(pScrn, gamma);

    /* color transforms */
    OUTREG(RADEON_OV0_LIN_TRANS_A, dwOvRCb | dwOvLuma);
    OUTREG(RADEON_OV0_LIN_TRANS_B, dwOvROff | dwOvRCr);
    OUTREG(RADEON_OV0_LIN_TRANS_C, dwOvGCb | dwOvLuma);
    OUTREG(RADEON_OV0_LIN_TRANS_D, dwOvGOff | dwOvGCr);
    OUTREG(RADEON_OV0_LIN_TRANS_E, dwOvBCb | dwOvLuma);
    OUTREG(RADEON_OV0_LIN_TRANS_F, dwOvBOff | dwOvBCr);
}

static void RADEONSetOverlayAlpha(ScrnInfoPtr pScrn, int ov_alpha, int gr_alpha, int alpha_mode)
{
    RADEONInfoPtr info = RADEONPTR(pScrn);
    unsigned char *RADEONMMIO = info->MMIO;

    if (alpha_mode == 0) { /* key mode */
    	OUTREG(RADEON_OV0_KEY_CNTL, 
		RADEON_GRAPHIC_KEY_FN_EQ | /* what does this do? */
		RADEON_VIDEO_KEY_FN_FALSE | /* what does this do? */
		RADEON_CMP_MIX_OR);
    	/* crtc 1 */
    	OUTREG(RADEON_DISP_MERGE_CNTL,
		(RADEON_DISP_ALPHA_MODE_KEY & 
		RADEON_DISP_ALPHA_MODE_MASK) |
		((gr_alpha << 0x00000010) & 
		RADEON_DISP_GRPH_ALPHA_MASK) |
		((ov_alpha << 0x00000018) & 
		RADEON_DISP_OV0_ALPHA_MASK));
    	/* crtc 2 */
    	OUTREG(RADEON_DISP2_MERGE_CNTL,
		(RADEON_DISP_ALPHA_MODE_KEY & 
		RADEON_DISP_ALPHA_MODE_MASK) |
		((gr_alpha << 0x00000010) & 
		RADEON_DISP_GRPH_ALPHA_MASK) |
		((ov_alpha << 0x00000018) & 
		RADEON_DISP_OV0_ALPHA_MASK));
    } else { /* global mode */
    	OUTREG(RADEON_OV0_KEY_CNTL, 
		RADEON_GRAPHIC_KEY_FN_FALSE |   /* what does this do? */
		RADEON_VIDEO_KEY_FN_FALSE |   /* what does this do? */
		RADEON_CMP_MIX_AND);
    	/* crtc 2 */
    	OUTREG(RADEON_DISP2_MERGE_CNTL,
		(RADEON_DISP_ALPHA_MODE_GLOBAL & 
		RADEON_DISP_ALPHA_MODE_MASK) |
		((gr_alpha << 0x00000010) & 
		RADEON_DISP_GRPH_ALPHA_MASK) |
		((ov_alpha << 0x00000018) & 
		RADEON_DISP_OV0_ALPHA_MASK));
    	/* crtc 1 */
    	OUTREG(RADEON_DISP_MERGE_CNTL,
		(RADEON_DISP_ALPHA_MODE_GLOBAL & 
		RADEON_DISP_ALPHA_MODE_MASK) |
		((gr_alpha << 0x00000010) & 
		RADEON_DISP_GRPH_ALPHA_MASK) |
		((ov_alpha << 0x00000018) & 
		RADEON_DISP_OV0_ALPHA_MASK));
    }
     /* per-pixel mode - RADEON_DISP_ALPHA_MODE_PER_PIXEL */
     /* not yet supported */
}

static void RADEONSetColorKey(ScrnInfoPtr pScrn, CARD32 colorKey)
{
    RADEONInfoPtr info = RADEONPTR(pScrn);
    unsigned char *RADEONMMIO = info->MMIO;
    CARD32 min, max;
    CARD8 r, g, b;

    if (info->CurrentLayout.depth > 8)
    {
	CARD32	rbits, gbits, bbits;

	rbits = (colorKey & pScrn->mask.red) >> pScrn->offset.red;
	gbits = (colorKey & pScrn->mask.green) >> pScrn->offset.green;
	bbits = (colorKey & pScrn->mask.blue) >> pScrn->offset.blue;

	r = rbits << (8 - pScrn->weight.red);
	g = gbits << (8 - pScrn->weight.green);
	b = bbits << (8 - pScrn->weight.blue);
    }
    else
    {
	CARD32	bits;

	bits = colorKey & ((1 << info->CurrentLayout.depth) - 1);
	r = bits;
	g = bits;
	b = bits;
    }
    min = (r << 16) | (g << 8) | (b);
    max = (0xff << 24) | (r << 16) | (g << 8) | (b);

    RADEONWaitForFifo(pScrn, 2);
    OUTREG(RADEON_OV0_GRAPHICS_KEY_CLR_HIGH, max);
    OUTREG(RADEON_OV0_GRAPHICS_KEY_CLR_LOW, min);
}

void
RADEONResetVideo(ScrnInfoPtr pScrn)
{
    RADEONInfoPtr   info      = RADEONPTR(pScrn);
    unsigned char *RADEONMMIO = info->MMIO;
    RADEONPortPrivPtr pPriv = info->adaptor->pPortPrivates[0].ptr;
    char tmp[200];

    /* this function is called from ScreenInit. pScreen is used 
       by XAA internally, but not valid until ScreenInit finishs.
    */
    if (info->accelOn && pScrn->pScreen)
	RADEON_SYNC(info, pScrn);

    /* this is done here because each time the server is reset these
       could change.. Otherwise they remain constant */
    xvInstanceID = MAKE_ATOM("XV_INSTANCE_ID");
    xvDeviceID = MAKE_ATOM("XV_DEVICE_ID");
    xvLocationID = MAKE_ATOM("XV_LOCATION_ID");
    xvDumpStatus = MAKE_ATOM("XV_DUMP_STATUS");
 
    xvBrightness   = MAKE_ATOM("XV_BRIGHTNESS");
    xvSaturation   = MAKE_ATOM("XV_SATURATION");
    xvColor        = MAKE_ATOM("XV_COLOR");
    xvContrast     = MAKE_ATOM("XV_CONTRAST");
    xvColorKey     = MAKE_ATOM("XV_COLORKEY");
    xvDoubleBuffer = MAKE_ATOM("XV_DOUBLE_BUFFER");
    xvHue          = MAKE_ATOM("XV_HUE");
    xvRedIntensity   = MAKE_ATOM("XV_RED_INTENSITY");
    xvGreenIntensity = MAKE_ATOM("XV_GREEN_INTENSITY");
    xvBlueIntensity  = MAKE_ATOM("XV_BLUE_INTENSITY");
    xvGamma          = MAKE_ATOM("XV_GAMMA");
    xvColorspace     = MAKE_ATOM("XV_COLORSPACE");

    xvAutopaintColorkey = MAKE_ATOM("XV_AUTOPAINT_COLORKEY");
    xvSetDefaults       = MAKE_ATOM("XV_SET_DEFAULTS");
    xvSwitchCRT         = MAKE_ATOM("XV_SWITCHCRT");

    xvOvAlpha	      = MAKE_ATOM("XV_OVERLAY_ALPHA");
    xvGrAlpha	      = MAKE_ATOM("XV_GRAPHICS_ALPHA");
    xvAlphaMode       = MAKE_ATOM("XV_ALPHA_MODE");

    xvOverlayDeinterlacingMethod = MAKE_ATOM("XV_OVERLAY_DEINTERLACING_METHOD");

    xvDecBrightness   = MAKE_ATOM("XV_DEC_BRIGHTNESS");
    xvDecSaturation   = MAKE_ATOM("XV_DEC_SATURATION");
    xvDecColor        = MAKE_ATOM("XV_DEC_COLOR");
    xvDecContrast     = MAKE_ATOM("XV_DEC_CONTRAST");
    xvDecHue          = MAKE_ATOM("XV_DEC_HUE");

    xvEncoding        = MAKE_ATOM("XV_ENCODING");
    xvFrequency       = MAKE_ATOM("XV_FREQ");
    xvTunerStatus     = MAKE_ATOM("XV_TUNER_STATUS");
    xvVolume          = MAKE_ATOM("XV_VOLUME");
    xvMute            = MAKE_ATOM("XV_MUTE");
    xvSAP             = MAKE_ATOM("XV_SAP");

    xvAdjustment      = MAKE_ATOM("XV_DEBUG_ADJUSTMENT");

    sprintf(tmp, "RXXX:%d.%d.%d", info->PciInfo->vendor, info->PciInfo->chipType, info->PciInfo->chipRev);
    pPriv->device_id = MAKE_ATOM(tmp);
    sprintf(tmp, "PCI:%02d:%02d.%d", info->PciInfo->bus, info->PciInfo->device, info->PciInfo->func);
    pPriv->location_id = MAKE_ATOM(tmp);
    sprintf(tmp, "INSTANCE:%d", pScrn->scrnIndex);
    pPriv->instance_id = MAKE_ATOM(tmp);

    OUTREG(RADEON_OV0_SCALE_CNTL, RADEON_SCALER_SOFT_RESET);
    OUTREG(RADEON_OV0_AUTO_FLIP_CNTL, 0);   /* maybe */
    OUTREG(RADEON_OV0_EXCLUSIVE_HORZ, 0);
    OUTREG(RADEON_OV0_FILTER_CNTL, RADEON_FILTER_PROGRAMMABLE_COEF);
    OUTREG(RADEON_OV0_KEY_CNTL, RADEON_GRAPHIC_KEY_FN_EQ |
				RADEON_VIDEO_KEY_FN_FALSE |
				RADEON_CMP_MIX_OR);
    OUTREG(RADEON_OV0_TEST, 0);
    OUTREG(RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
    OUTREG(RADEON_CAP0_TRIG_CNTL, 0);
    RADEONSetColorKey(pScrn, pPriv->colorKey);

    if (info->ChipFamily == CHIP_FAMILY_RADEON) {

	OUTREG(RADEON_OV0_LIN_TRANS_A, 0x12a00000);
	OUTREG(RADEON_OV0_LIN_TRANS_B, 0x1990190e);
	OUTREG(RADEON_OV0_LIN_TRANS_C, 0x12a0f9c0);
	OUTREG(RADEON_OV0_LIN_TRANS_D, 0xf3000442);
	OUTREG(RADEON_OV0_LIN_TRANS_E, 0x12a02040);
	OUTREG(RADEON_OV0_LIN_TRANS_F, 0x175f);

    } else {

	OUTREG(RADEON_OV0_LIN_TRANS_A, 0x12a20000);
	OUTREG(RADEON_OV0_LIN_TRANS_B, 0x198a190e);
	OUTREG(RADEON_OV0_LIN_TRANS_C, 0x12a2f9da);
	OUTREG(RADEON_OV0_LIN_TRANS_D, 0xf2fe0442);
	OUTREG(RADEON_OV0_LIN_TRANS_E, 0x12a22046);
	OUTREG(RADEON_OV0_LIN_TRANS_F, 0x175f);
    }
	/*
	 * Set default Gamma ramp:
	 *
	 * Of 18 segments for gamma curve, all segments in R200 (and
	 * newer) are programmable, while only lower 4 and upper 2
	 * segments are programmable in the older Radeons.
	 */

    RADEONSetOverlayGamma(pScrn, 0); /* gamma = 1.0 */

    if(pPriv->VIP!=NULL){
        RADEONVIP_reset(pScrn,pPriv);
        }
    
    if(pPriv->theatre != NULL) {
        xf86_InitTheatre(pPriv->theatre);
/*      xf86_ResetTheatreRegsForNoTVout(pPriv->theatre); */
        }
    
    if(pPriv->i2c != NULL){
        RADEONResetI2C(pScrn, pPriv);
        }
}

static void RADEONSetupTheatre(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
{
    RADEONInfoPtr info = RADEONPTR(pScrn);
    RADEONPLLPtr  pll = &(info->pll);
    TheatrePtr t;