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path: root/drivers/video/fbdev/nvidia/nv_setup.c
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Diffstat (limited to 'drivers/video/fbdev/nvidia/nv_setup.c')
-rw-r--r--drivers/video/fbdev/nvidia/nv_setup.c675
1 files changed, 675 insertions, 0 deletions
diff --git a/drivers/video/fbdev/nvidia/nv_setup.c b/drivers/video/fbdev/nvidia/nv_setup.c
new file mode 100644
index 00000000000..2f2e162134f
--- /dev/null
+++ b/drivers/video/fbdev/nvidia/nv_setup.c
@@ -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;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 11:46:22 +0000