Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / video / fbdev / nvidia / nv_setup.c
diff --git a/kernel/drivers/video/fbdev/nvidia/nv_setup.c b/kernel/drivers/video/fbdev/nvidia/nv_setup.c
new file mode 100644 (file)
index 0000000..2f2e162
--- /dev/null
@@ -0,0 +1,675 @@
+ /***************************************************************************\
+|*                                                                           *|
+|*       Copyright 2003 NVIDIA, Corporation.  All rights reserved.           *|
+|*                                                                           *|
+|*     NOTICE TO USER:   The source code  is copyrighted under  U.S. and     *|
+|*     international laws.  Users and possessors of this source code are     *|
+|*     hereby granted a nonexclusive,  royalty-free copyright license to     *|
+|*     use this code in individual and commercial software.                  *|
+|*                                                                           *|
+|*     Any use of this source code must include,  in the user documenta-     *|
+|*     tion and  internal comments to the code,  notices to the end user     *|
+|*     as follows:                                                           *|
+|*                                                                           *|
+|*       Copyright 2003 NVIDIA, Corporation.  All rights reserved.           *|
+|*                                                                           *|
+|*     NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY     *|
+|*     OF  THIS SOURCE  CODE  FOR ANY PURPOSE.  IT IS  PROVIDED  "AS IS"     *|
+|*     WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.  NVIDIA, CORPOR-     *|
+|*     ATION DISCLAIMS ALL WARRANTIES  WITH REGARD  TO THIS SOURCE CODE,     *|
+|*     INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE-     *|
+|*     MENT,  AND FITNESS  FOR A PARTICULAR PURPOSE.   IN NO EVENT SHALL     *|
+|*     NVIDIA, CORPORATION  BE LIABLE FOR ANY SPECIAL,  INDIRECT,  INCI-     *|
+|*     DENTAL, OR CONSEQUENTIAL DAMAGES,  OR ANY DAMAGES  WHATSOEVER RE-     *|
+|*     SULTING FROM LOSS OF USE,  DATA OR PROFITS,  WHETHER IN AN ACTION     *|
+|*     OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,  ARISING OUT OF     *|
+|*     OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE.     *|
+|*                                                                           *|
+|*     U.S. Government  End  Users.   This source code  is a "commercial     *|
+|*     item,"  as that  term is  defined at  48 C.F.R. 2.101 (OCT 1995),     *|
+|*     consisting  of "commercial  computer  software"  and  "commercial     *|
+|*     computer  software  documentation,"  as such  terms  are  used in     *|
+|*     48 C.F.R. 12.212 (SEPT 1995)  and is provided to the U.S. Govern-     *|
+|*     ment only as  a commercial end item.   Consistent with  48 C.F.R.     *|
+|*     12.212 and  48 C.F.R. 227.7202-1 through  227.7202-4 (JUNE 1995),     *|
+|*     all U.S. Government End Users  acquire the source code  with only     *|
+|*     those rights set forth herein.                                        *|
+|*                                                                           *|
+ \***************************************************************************/
+
+/*
+ * GPL Licensing Note - According to Mark Vojkovich, author of the Xorg/
+ * XFree86 'nv' driver, this source code is provided under MIT-style licensing
+ * where the source code is provided "as is" without warranty of any kind.
+ * The only usage restriction is for the copyright notices to be retained
+ * whenever code is used.
+ *
+ * Antonino Daplas <adaplas@pol.net> 2005-03-11
+ */
+
+#include <video/vga.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include "nv_type.h"
+#include "nv_local.h"
+#include "nv_proto.h"
+/*
+ * Override VGA I/O routines.
+ */
+void NVWriteCrtc(struct nvidia_par *par, u8 index, u8 value)
+{
+       VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
+       VGA_WR08(par->PCIO, par->IOBase + 0x05, value);
+}
+u8 NVReadCrtc(struct nvidia_par *par, u8 index)
+{
+       VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
+       return (VGA_RD08(par->PCIO, par->IOBase + 0x05));
+}
+void NVWriteGr(struct nvidia_par *par, u8 index, u8 value)
+{
+       VGA_WR08(par->PVIO, VGA_GFX_I, index);
+       VGA_WR08(par->PVIO, VGA_GFX_D, value);
+}
+u8 NVReadGr(struct nvidia_par *par, u8 index)
+{
+       VGA_WR08(par->PVIO, VGA_GFX_I, index);
+       return (VGA_RD08(par->PVIO, VGA_GFX_D));
+}
+void NVWriteSeq(struct nvidia_par *par, u8 index, u8 value)
+{
+       VGA_WR08(par->PVIO, VGA_SEQ_I, index);
+       VGA_WR08(par->PVIO, VGA_SEQ_D, value);
+}
+u8 NVReadSeq(struct nvidia_par *par, u8 index)
+{
+       VGA_WR08(par->PVIO, VGA_SEQ_I, index);
+       return (VGA_RD08(par->PVIO, VGA_SEQ_D));
+}
+void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value)
+{
+       volatile u8 tmp;
+
+       tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
+       if (par->paletteEnabled)
+               index &= ~0x20;
+       else
+               index |= 0x20;
+       VGA_WR08(par->PCIO, VGA_ATT_IW, index);
+       VGA_WR08(par->PCIO, VGA_ATT_W, value);
+}
+u8 NVReadAttr(struct nvidia_par *par, u8 index)
+{
+       volatile u8 tmp;
+
+       tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
+       if (par->paletteEnabled)
+               index &= ~0x20;
+       else
+               index |= 0x20;
+       VGA_WR08(par->PCIO, VGA_ATT_IW, index);
+       return (VGA_RD08(par->PCIO, VGA_ATT_R));
+}
+void NVWriteMiscOut(struct nvidia_par *par, u8 value)
+{
+       VGA_WR08(par->PVIO, VGA_MIS_W, value);
+}
+u8 NVReadMiscOut(struct nvidia_par *par)
+{
+       return (VGA_RD08(par->PVIO, VGA_MIS_R));
+}
+#if 0
+void NVEnablePalette(struct nvidia_par *par)
+{
+       volatile u8 tmp;
+
+       tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
+       VGA_WR08(par->PCIO, VGA_ATT_IW, 0x00);
+       par->paletteEnabled = 1;
+}
+void NVDisablePalette(struct nvidia_par *par)
+{
+       volatile u8 tmp;
+
+       tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
+       VGA_WR08(par->PCIO, VGA_ATT_IW, 0x20);
+       par->paletteEnabled = 0;
+}
+#endif  /*  0  */
+void NVWriteDacMask(struct nvidia_par *par, u8 value)
+{
+       VGA_WR08(par->PDIO, VGA_PEL_MSK, value);
+}
+#if 0
+u8 NVReadDacMask(struct nvidia_par *par)
+{
+       return (VGA_RD08(par->PDIO, VGA_PEL_MSK));
+}
+#endif  /*  0  */
+void NVWriteDacReadAddr(struct nvidia_par *par, u8 value)
+{
+       VGA_WR08(par->PDIO, VGA_PEL_IR, value);
+}
+void NVWriteDacWriteAddr(struct nvidia_par *par, u8 value)
+{
+       VGA_WR08(par->PDIO, VGA_PEL_IW, value);
+}
+void NVWriteDacData(struct nvidia_par *par, u8 value)
+{
+       VGA_WR08(par->PDIO, VGA_PEL_D, value);
+}
+u8 NVReadDacData(struct nvidia_par *par)
+{
+       return (VGA_RD08(par->PDIO, VGA_PEL_D));
+}
+
+static int NVIsConnected(struct nvidia_par *par, int output)
+{
+       volatile u32 __iomem *PRAMDAC = par->PRAMDAC0;
+       u32 reg52C, reg608, dac0_reg608 = 0;
+       int present;
+
+       if (output) {
+           dac0_reg608 = NV_RD32(PRAMDAC, 0x0608);
+           PRAMDAC += 0x800;
+       }
+
+       reg52C = NV_RD32(PRAMDAC, 0x052C);
+       reg608 = NV_RD32(PRAMDAC, 0x0608);
+
+       NV_WR32(PRAMDAC, 0x0608, reg608 & ~0x00010000);
+
+       NV_WR32(PRAMDAC, 0x052C, reg52C & 0x0000FEEE);
+       msleep(1);
+       NV_WR32(PRAMDAC, 0x052C, NV_RD32(PRAMDAC, 0x052C) | 1);
+
+       NV_WR32(par->PRAMDAC0, 0x0610, 0x94050140);
+       NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) |
+               0x00001000);
+
+       msleep(1);
+
+       present = (NV_RD32(PRAMDAC, 0x0608) & (1 << 28)) ? 1 : 0;
+
+       if (present)
+               printk("nvidiafb: CRTC%i analog found\n", output);
+       else
+               printk("nvidiafb: CRTC%i analog not found\n", output);
+
+       if (output)
+           NV_WR32(par->PRAMDAC0, 0x0608, dac0_reg608);
+
+       NV_WR32(PRAMDAC, 0x052C, reg52C);
+       NV_WR32(PRAMDAC, 0x0608, reg608);
+
+       return present;
+}
+
+static void NVSelectHeadRegisters(struct nvidia_par *par, int head)
+{
+       if (head) {
+               par->PCIO = par->PCIO0 + 0x2000;
+               par->PCRTC = par->PCRTC0 + 0x800;
+               par->PRAMDAC = par->PRAMDAC0 + 0x800;
+               par->PDIO = par->PDIO0 + 0x2000;
+       } else {
+               par->PCIO = par->PCIO0;
+               par->PCRTC = par->PCRTC0;
+               par->PRAMDAC = par->PRAMDAC0;
+               par->PDIO = par->PDIO0;
+       }
+}
+
+static void nv4GetConfig(struct nvidia_par *par)
+{
+       if (NV_RD32(par->PFB, 0x0000) & 0x00000100) {
+               par->RamAmountKBytes =
+                   ((NV_RD32(par->PFB, 0x0000) >> 12) & 0x0F) * 1024 * 2 +
+                   1024 * 2;
+       } else {
+               switch (NV_RD32(par->PFB, 0x0000) & 0x00000003) {
+               case 0:
+                       par->RamAmountKBytes = 1024 * 32;
+                       break;
+               case 1:
+                       par->RamAmountKBytes = 1024 * 4;
+                       break;
+               case 2:
+                       par->RamAmountKBytes = 1024 * 8;
+                       break;
+               case 3:
+               default:
+                       par->RamAmountKBytes = 1024 * 16;
+                       break;
+               }
+       }
+       par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & 0x00000040) ?
+           14318 : 13500;
+       par->CURSOR = &par->PRAMIN[0x1E00];
+       par->MinVClockFreqKHz = 12000;
+       par->MaxVClockFreqKHz = 350000;
+}
+
+static void nv10GetConfig(struct nvidia_par *par)
+{
+       struct pci_dev *dev;
+       u32 implementation = par->Chipset & 0x0ff0;
+
+#ifdef __BIG_ENDIAN
+       /* turn on big endian register access */
+       if (!(NV_RD32(par->PMC, 0x0004) & 0x01000001)) {
+               NV_WR32(par->PMC, 0x0004, 0x01000001);
+               mb();
+       }
+#endif
+
+       dev = pci_get_bus_and_slot(0, 1);
+       if ((par->Chipset & 0xffff) == 0x01a0) {
+               u32 amt;
+
+               pci_read_config_dword(dev, 0x7c, &amt);
+               par->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
+       } else if ((par->Chipset & 0xffff) == 0x01f0) {
+               u32 amt;
+
+               pci_read_config_dword(dev, 0x84, &amt);
+               par->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
+       } else {
+               par->RamAmountKBytes =
+                   (NV_RD32(par->PFB, 0x020C) & 0xFFF00000) >> 10;
+       }
+       pci_dev_put(dev);
+
+       par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ?
+           14318 : 13500;
+
+       if (par->twoHeads && (implementation != 0x0110)) {
+               if (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 22))
+                       par->CrystalFreqKHz = 27000;
+       }
+
+       par->CURSOR = NULL;     /* can't set this here */
+       par->MinVClockFreqKHz = 12000;
+       par->MaxVClockFreqKHz = par->twoStagePLL ? 400000 : 350000;
+}
+
+int 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;
+       int err = 0;
+
+       var = kzalloc(sizeof(struct fb_var_screeninfo), GFP_KERNEL);
+       monitorA = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
+       monitorB = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
+
+       if (!var || !monitorA || !monitorB) {
+               err = -ENOMEM;
+               goto done;
+       }
+
+       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 0x01D7:
+       case 0x0228:
+       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 0x0169:
+       case 0x016B:
+       case 0x016C:
+       case 0x016D:
+       case 0x00C8:
+       case 0x00CC:
+       case 0x0144:
+       case 0x0146:
+       case 0x0147:
+       case 0x0148:
+       case 0x0098:
+       case 0x0099:
+               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;
+               if (nvidia_probe_i2c_connector(info, 1, &edidA))
+                       nvidia_probe_of_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);
+
+               if (nvidia_probe_i2c_connector(info, 1, &edidA))
+                       nvidia_probe_of_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);
+               }
+
+               if (nvidia_probe_i2c_connector(info, 2, &edidB))
+                       nvidia_probe_of_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("nvidiafb: Panel size is %i x %i\n", par->fpWidth, par->fpHeight);
+       }
+
+       if (monA)
+               info->monspecs = *monA;
+
+       if (!par->FlatPanel || !par->twoHeads)
+               par->FPDither = 0;
+
+       par->LVDS = 0;
+       if (par->FlatPanel && par->twoHeads) {
+               NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004);
+               if (NV_RD32(par->PRAMDAC0, 0x08b4) & 1)
+                       par->LVDS = 1;
+               printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS");
+       }
+
+       kfree(edidA);
+       kfree(edidB);
+done:
+       kfree(var);
+       kfree(monitorA);
+       kfree(monitorB);
+       return err;
+}