nvidia_probe_i2c_connector(info, 2, &edidB); 
if (nvidia_probe_i2c_connector(info, 2, &edidB)) nvidia_probe_of_connector(info, 2, &edidB); 
void NVCommonSetup(struct fb_info *info){	struct nvidia_par *par = info->par;	struct fb_var_screeninfo var;	u16 implementation = par->Chipset & 0x0ff0;	u8 *edidA = NULL, *edidB = NULL;	struct fb_monspecs monitorA, monitorB;	struct fb_monspecs *monA = NULL, *monB = NULL;	int mobile = 0;	int tvA = 0;	int tvB = 0;	int FlatPanel = -1;	/* really means the CRTC is slaved */	int Television = 0;	par->PRAMIN = par->REGS + (0x00710000 / 4);	par->PCRTC0 = par->REGS + (0x00600000 / 4);	par->PRAMDAC0 = par->REGS + (0x00680000 / 4);	par->PFB = par->REGS + (0x00100000 / 4);	par->PFIFO = par->REGS + (0x00002000 / 4);	par->PGRAPH = par->REGS + (0x00400000 / 4);	par->PEXTDEV = par->REGS + (0x00101000 / 4);	par->PTIMER = par->REGS + (0x00009000 / 4);	par->PMC = par->REGS + (0x00000000 / 4);	par->FIFO = par->REGS + (0x00800000 / 4);	/* 8 bit registers */	par->PCIO0 = (u8 __iomem *) par->REGS + 0x00601000;	par->PDIO0 = (u8 __iomem *) par->REGS + 0x00681000;	par->PVIO = (u8 __iomem *) par->REGS + 0x000C0000;	par->twoHeads = (par->Architecture >= NV_ARCH_10) &&	    (implementation != 0x0100) &&	    (implementation != 0x0150) &&	    (implementation != 0x01A0) && (implementation != 0x0200);	par->fpScaler = (par->FpScale && par->twoHeads &&			 (implementation != 0x0110));	par->twoStagePLL = (implementation == 0x0310) ||	    (implementation == 0x0340) || (par->Architecture >= NV_ARCH_40);	par->WaitVSyncPossible = (par->Architecture >= NV_ARCH_10) &&	    (implementation != 0x0100);	par->BlendingPossible = ((par->Chipset & 0xffff) != 0x0020);	/* look for known laptop chips */	switch (par->Chipset & 0xffff) {	case 0x0112:	case 0x0174:	case 0x0175:	case 0x0176:	case 0x0177:	case 0x0179:	case 0x017C:	case 0x017D:	case 0x0186:	case 0x0187:	case 0x018D:	case 0x0286:	case 0x028C:	case 0x0316:	case 0x0317:	case 0x031A:	case 0x031B:	case 0x031C:	case 0x031D:	case 0x031E:	case 0x031F:	case 0x0324:	case 0x0325:	case 0x0328:	case 0x0329:	case 0x032C:	case 0x032D:	case 0x0347:	case 0x0348:	case 0x0349:	case 0x034B:	case 0x034C:	case 0x0160:	case 0x0166:	case 0x00C8:	case 0x00CC:	case 0x0144:	case 0x0146:	case 0x0147:	case 0x0148:		mobile = 1;		break;	default:		break;	}	if (par->Architecture == NV_ARCH_04)		nv4GetConfig(par);	else		nv10GetConfig(par);	NVSelectHeadRegisters(par, 0);	NVLockUnlock(par, 0);	par->IOBase = (NVReadMiscOut(par) & 0x01) ? 0x3d0 : 0x3b0;	par->Television = 0;	nvidia_create_i2c_busses(par);	if (!par->twoHeads) {		par->CRTCnumber = 0;		nvidia_probe_i2c_connector(info, 1, &edidA);		if (edidA && !fb_parse_edid(edidA, &var)) {			printk("nvidiafb: EDID found from BUS1\n");			monA = &monitorA;			fb_edid_to_monspecs(edidA, monA);			FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;			/* NV4 doesn't support FlatPanels */			if ((par->Chipset & 0x0fff) <= 0x0020)				FlatPanel = 0;		} else {			VGA_WR08(par->PCIO, 0x03D4, 0x28);			if (VGA_RD08(par->PCIO, 0x03D5) & 0x80) {				VGA_WR08(par->PCIO, 0x03D4, 0x33);				if (!(VGA_RD08(par->PCIO, 0x03D5) & 0x01))					Television = 1;				FlatPanel = 1;			} else {				FlatPanel = 0;			}			printk("nvidiafb: HW is currently programmed for %s\n",			       FlatPanel ? (Television ? "TV" : "DFP") :			       "CRT");		}		if (par->FlatPanel == -1) {			par->FlatPanel = FlatPanel;			par->Television = Television;		} else {			printk("nvidiafb: Forcing display type to %s as "			       "specified\n", par->FlatPanel ? "DFP" : "CRT");		}	} else {		u8 outputAfromCRTC, outputBfromCRTC;		int CRTCnumber = -1;		u8 slaved_on_A, slaved_on_B;		int analog_on_A, analog_on_B;		u32 oldhead;		u8 cr44;		if (implementation != 0x0110) {			if (NV_RD32(par->PRAMDAC0, 0x0000052C) & 0x100)				outputAfromCRTC = 1;			else				outputAfromCRTC = 0;			if (NV_RD32(par->PRAMDAC0, 0x0000252C) & 0x100)				outputBfromCRTC = 1;			else				outputBfromCRTC = 0;			analog_on_A = NVIsConnected(par, 0);			analog_on_B = NVIsConnected(par, 1);		} else {			outputAfromCRTC = 0;			outputBfromCRTC = 1;			analog_on_A = 0;			analog_on_B = 0;		}		VGA_WR08(par->PCIO, 0x03D4, 0x44);		cr44 = VGA_RD08(par->PCIO, 0x03D5);		VGA_WR08(par->PCIO, 0x03D5, 3);		NVSelectHeadRegisters(par, 1);		NVLockUnlock(par, 0);		VGA_WR08(par->PCIO, 0x03D4, 0x28);		slaved_on_B = VGA_RD08(par->PCIO, 0x03D5) & 0x80;		if (slaved_on_B) {			VGA_WR08(par->PCIO, 0x03D4, 0x33);			tvB = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);		}		VGA_WR08(par->PCIO, 0x03D4, 0x44);		VGA_WR08(par->PCIO, 0x03D5, 0);		NVSelectHeadRegisters(par, 0);		NVLockUnlock(par, 0);		VGA_WR08(par->PCIO, 0x03D4, 0x28);		slaved_on_A = VGA_RD08(par->PCIO, 0x03D5) & 0x80;		if (slaved_on_A) {			VGA_WR08(par->PCIO, 0x03D4, 0x33);			tvA = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);		}		oldhead = NV_RD32(par->PCRTC0, 0x00000860);		NV_WR32(par->PCRTC0, 0x00000860, oldhead | 0x00000010);		nvidia_probe_i2c_connector(info, 1, &edidA);		if (edidA && !fb_parse_edid(edidA, &var)) {			printk("nvidiafb: EDID found from BUS1\n");			monA = &monitorA;			fb_edid_to_monspecs(edidA, monA);		}		nvidia_probe_i2c_connector(info, 2, &edidB);		if (edidB && !fb_parse_edid(edidB, &var)) {			printk("nvidiafb: EDID found from BUS2\n");			monB = &monitorB;			fb_edid_to_monspecs(edidB, monB);		}		if (slaved_on_A && !tvA) {			CRTCnumber = 0;			FlatPanel = 1;			printk("nvidiafb: CRTC 0 is currently programmed for "			       "DFP\n");		} else if (slaved_on_B && !tvB) {			CRTCnumber = 1;			FlatPanel = 1;			printk("nvidiafb: CRTC 1 is currently programmed "			       "for DFP\n");		} else if (analog_on_A) {			CRTCnumber = outputAfromCRTC;			FlatPanel = 0;			printk("nvidiafb: CRTC %i appears to have a "			       "CRT attached\n", CRTCnumber);		} else if (analog_on_B) {			CRTCnumber = outputBfromCRTC;			FlatPanel = 0;			printk("nvidiafb: CRTC %i"			       "appears to have a "			       "CRT attached\n", CRTCnumber);		} else if (slaved_on_A) {			CRTCnumber = 0;			FlatPanel = 1;			Television = 1;			printk("nvidiafb: CRTC 0 is currently programmed "			       "for TV\n");		} else if (slaved_on_B) {			CRTCnumber = 1;			FlatPanel = 1;			Television = 1;			printk("nvidiafb: CRTC 1 is currently programmed for "			       "TV\n");		} else if (monA) {			FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;		} else if (monB) {			FlatPanel = (monB->input & FB_DISP_DDI) ? 1 : 0;		}		if (par->FlatPanel == -1) {			if (FlatPanel != -1) {				par->FlatPanel = FlatPanel;				par->Television = Television;			} else {				printk("nvidiafb: Unable to detect display "				       "type...\n");				if (mobile) {					printk("...On a laptop, assuming "					       "DFP\n");					par->FlatPanel = 1;				} else {					printk("...Using default of CRT\n");					par->FlatPanel = 0;				}			}		} else {			printk("nvidiafb: Forcing display type to %s as "			       "specified\n", par->FlatPanel ? "DFP" : "CRT");		}		if (par->CRTCnumber == -1) {			if (CRTCnumber != -1)				par->CRTCnumber = CRTCnumber;			else {				printk("nvidiafb: Unable to detect which "				       "CRTCNumber...\n");				if (par->FlatPanel)					par->CRTCnumber = 1;				else					par->CRTCnumber = 0;				printk("...Defaulting to CRTCNumber %i\n",				       par->CRTCnumber);			}		} else {			printk("nvidiafb: Forcing CRTCNumber %i as "			       "specified\n", par->CRTCnumber);		}		if (monA) {			if (((monA->input & FB_DISP_DDI) &&			     par->FlatPanel) ||			    ((!(monA->input & FB_DISP_DDI)) &&			     !par->FlatPanel)) {				if (monB) {					fb_destroy_modedb(monB->modedb);					monB = NULL;				}			} else {				fb_destroy_modedb(monA->modedb);				monA = NULL;			}		}		if (monB) {			if (((monB->input & FB_DISP_DDI) &&			     !par->FlatPanel) ||			    ((!(monB->input & FB_DISP_DDI)) &&			     par->FlatPanel)) {				fb_destroy_modedb(monB->modedb);				monB = NULL;			} else				monA = monB;		}		if (implementation == 0x0110)			cr44 = par->CRTCnumber * 0x3;		NV_WR32(par->PCRTC0, 0x00000860, oldhead);		VGA_WR08(par->PCIO, 0x03D4, 0x44);		VGA_WR08(par->PCIO, 0x03D5, cr44);		NVSelectHeadRegisters(par, par->CRTCnumber);	}	printk("nvidiafb: Using %s on CRTC %i\n",	       par->FlatPanel ? (par->Television ? "TV" : "DFP") : "CRT",	       par->CRTCnumber);	if (par->FlatPanel && !par->Television) {		par->fpWidth = NV_RD32(par->PRAMDAC, 0x0820) + 1;		par->fpHeight = NV_RD32(par->PRAMDAC, 0x0800) + 1;		par->fpSyncs = NV_RD32(par->PRAMDAC, 0x0848) & 0x30000033;		printk("Panel size is %i x %i\n", par->fpWidth, par->fpHeight);	}	if (monA)		info->monspecs = *monA;	kfree(edidA);	kfree(edidB);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/85f1503aff46089acd9f780b5259752839cf0162/nv_setup.c/buggy/drivers/video/nvidia/nv_setup.c