--- /dev/null
+/*
+ * PROJECT: ReactOS VGA Miniport Driver
+ * LICENSE: BSD - See COPYING.ARM in the top level directory
+ * FILE: boot/drivers/video/miniport/vga/vbe.c
+ * PURPOSE: Main VESA VBE 1.02+ SVGA Miniport Handling Code
+ * PROGRAMMERS: ReactOS Portable Systems Group
+ */
+
+/* INCLUDES *******************************************************************/
+
+#include "vga.h"
+
+/* GLOBALS ********************************************************************/
+
+static const CHAR Nv11Board[] = "NV11 (GeForce2) Board";
+static const CHAR Nv11Chip[] = "Chip Rev B2";
+static const CHAR Nv11Vendor[] = "NVidia Corporation";
+static const CHAR IntelBrookdale[] = "Brookdale-G Graphics Controller";
+static const PCHAR BrokenVesaBiosList[] =
+{
+ "SiS 5597",
+ "MGA-G100",
+ "3Dfx Banshee",
+ "Voodoo3 2000 LC ",
+ "Voodoo3 3000 LC ",
+ "Voodoo4 4500 ",
+ "ArtX I",
+ "ATI S1-370TL"
+};
+
+BOOLEAN g_bIntelBrookdaleBIOS;
+
+/* FUNCTIONS ******************************************************************/
+
+BOOLEAN
+NTAPI
+IsVesaBiosOk(IN PVIDEO_PORT_INT10_INTERFACE Interface,
+ IN ULONG OemRevision,
+ IN PCHAR Vendor,
+ IN PCHAR Product,
+ IN PCHAR Revision)
+{
+ ULONG i;
+ CHAR Version[21];
+
+ /* If the broken VESA bios found, turn VESA off */
+ VideoDebugPrint((0, "Vendor: %s Product: %s Revision: %s (%lx)\n", Vendor, Product, Revision, OemRevision));
+ for (i = 0; i < (sizeof(BrokenVesaBiosList) / sizeof(PCHAR)); i++)
+ {
+ if (!strncmp(Product, BrokenVesaBiosList[i], strlen(BrokenVesaBiosList[i]))) return FALSE;
+ }
+
+ /* For Brookdale-G (Intel), special hack used */
+ g_bIntelBrookdaleBIOS = !strncmp(Product, IntelBrookdale, sizeof(IntelBrookdale) - 1);
+
+ /* For NVIDIA make sure */
+ if (!(strncmp(Vendor, Nv11Vendor, sizeof(Nv11Vendor) - 1)) &&
+ !(strncmp(Product, Nv11Board, sizeof(Nv11Board) - 1)) &&
+ !(strncmp(Revision, Nv11Chip, sizeof(Nv11Chip) - 1)) &&
+ (OemRevision == 0x311))
+ {
+ /* Read version */
+ if (Interface->Int10ReadMemory(Interface->Context,
+ 0xC000,
+ 345,
+ Version,
+ sizeof(Version))) return FALSE;
+ if (!strncmp(Version, "Version 3.11.01.24N16", sizeof(Version))) return FALSE;
+ }
+
+ /* VESA ok */
+ VideoDebugPrint((0, "Vesa ok\n"));
+ return TRUE;
+}
+
+BOOLEAN
+NTAPI
+ValidateVbeInfo(IN PHW_DEVICE_EXTENSION VgaExtension,
+ IN PVBE_INFO VbeInfo)
+{
+ BOOLEAN VesaBiosOk;
+ PVOID Context;
+ CHAR ProductRevision[80];
+ CHAR OemString[80];
+ CHAR ProductName[80];
+ CHAR VendorName[80];
+ VP_STATUS Status;
+
+ /* Set default */
+ VesaBiosOk = FALSE;
+ Context = VgaExtension->Int10Interface.Context;
+
+ /* Check magic and version */
+ if (VbeInfo->Info.Signature != VESA_MAGIC) return VesaBiosOk;
+ if (VbeInfo->Info.Version < 0x102) return VesaBiosOk;
+
+ /* Read strings */
+ Status = VgaExtension->Int10Interface.Int10ReadMemory(Context,
+ HIWORD(VbeInfo->Info.OemStringPtr),
+ LOWORD(VbeInfo->Info.OemStringPtr),
+ OemString,
+ sizeof(OemString));
+ if (Status != NO_ERROR) return VesaBiosOk;
+ Status = VgaExtension->Int10Interface.Int10ReadMemory(Context,
+ HIWORD(VbeInfo->Info.OemVendorNamePtr),
+ LOWORD(VbeInfo->Info.OemVendorNamePtr),
+ VendorName,
+ sizeof(VendorName));
+ if (Status != NO_ERROR) return VesaBiosOk;
+ Status = VgaExtension->Int10Interface.Int10ReadMemory(Context,
+ HIWORD(VbeInfo->Info.OemProductNamePtr),
+ LOWORD(VbeInfo->Info.OemProductNamePtr),
+ ProductName,
+ sizeof(ProductName));
+ if (Status != NO_ERROR) return VesaBiosOk;
+ Status = VgaExtension->Int10Interface.Int10ReadMemory(Context,
+ HIWORD(VbeInfo->Info.OemProductRevPtr),
+ LOWORD(VbeInfo->Info.OemProductRevPtr),
+ ProductRevision,
+ sizeof(ProductRevision));
+ if (Status != NO_ERROR) return VesaBiosOk;
+
+ /* Null-terminate strings */
+ VendorName[sizeof(OemString) - 1] = ANSI_NULL;
+ ProductName[sizeof(OemString) - 1] = ANSI_NULL;
+ ProductRevision[sizeof(OemString) - 1] = ANSI_NULL;
+ OemString[sizeof(OemString) - 1] = ANSI_NULL;
+
+ /* Check for known bad BIOS */
+ VesaBiosOk = IsVesaBiosOk(&VgaExtension->Int10Interface,
+ VbeInfo->Info.OemSoftwareRevision,
+ VendorName,
+ ProductName,
+ ProductRevision);
+ VgaExtension->VesaBiosOk = VesaBiosOk;
+ return VesaBiosOk;
+}
+
+VP_STATUS
+NTAPI
+VbeSetColorLookup(IN PHW_DEVICE_EXTENSION VgaExtension,
+ IN PVIDEO_CLUT ClutBuffer)
+{
+ PVBE_COLOR_REGISTER VesaClut;
+ INT10_BIOS_ARGUMENTS BiosArguments;
+ PVOID Context;
+ ULONG Entries;
+ ULONG BufferSize = 4 * 1024;
+ USHORT TrampolineMemorySegment, TrampolineMemoryOffset;
+ VP_STATUS Status;
+ USHORT i;
+ PVIDEOMODE CurrentMode = VgaExtension->CurrentMode;
+
+ Entries = ClutBuffer->NumEntries;
+
+ VideoDebugPrint((0, "Setting %lu entries.\n", Entries));
+
+ /*
+ * For Vga compatible modes, write them directly.
+ * Otherwise, the LGPL VGABIOS (used in bochs) fails!
+ * It is also said that this way is faster.
+ */
+ if(!CurrentMode->NonVgaMode)
+ {
+ for (i=ClutBuffer->FirstEntry; i<ClutBuffer->FirstEntry + Entries; i++)
+ {
+ VideoPortWritePortUchar((PUCHAR)0x03c8, i);
+ VideoPortWritePortUchar((PUCHAR)0x03c9, ClutBuffer->LookupTable[i].RgbArray.Red);
+ VideoPortWritePortUchar((PUCHAR)0x03c9, ClutBuffer->LookupTable[i].RgbArray.Green);
+ VideoPortWritePortUchar((PUCHAR)0x03c9, ClutBuffer->LookupTable[i].RgbArray.Blue);
+ }
+ return NO_ERROR;
+ }
+
+ /* Allocate INT10 context/buffer */
+ VesaClut = VideoPortAllocatePool(VgaExtension, 1, sizeof(ULONG) * Entries, ' agV');
+ if (!VesaClut) return ERROR_INVALID_PARAMETER;
+ if (!VgaExtension->Int10Interface.Size) return ERROR_INVALID_PARAMETER;
+ Context = VgaExtension->Int10Interface.Context;
+ Status = VgaExtension->Int10Interface.Int10AllocateBuffer(Context,
+ &TrampolineMemorySegment,
+ &TrampolineMemoryOffset,
+ &BufferSize);
+ if (Status != NO_ERROR) return ERROR_INVALID_PARAMETER;
+
+ /* VESA has color registers backward! */
+ for (i = 0; i < Entries; i++)
+ {
+ VesaClut[i].Blue = ClutBuffer->LookupTable[i].RgbArray.Blue;
+ VesaClut[i].Green = ClutBuffer->LookupTable[i].RgbArray.Green;
+ VesaClut[i].Red = ClutBuffer->LookupTable[i].RgbArray.Red;
+ VesaClut[i].Pad = 0;
+ }
+ Status = VgaExtension->Int10Interface.Int10WriteMemory(Context,
+ TrampolineMemorySegment,
+ TrampolineMemoryOffset,
+ VesaClut,
+ Entries * sizeof(ULONG));
+ if (Status != NO_ERROR) return ERROR_INVALID_PARAMETER;
+
+ /* Write the palette */
+ VideoPortZeroMemory(&BiosArguments, sizeof(BiosArguments));
+ BiosArguments.Ebx = 0;
+ BiosArguments.Ecx = Entries;
+ BiosArguments.Edx = ClutBuffer->FirstEntry;
+ BiosArguments.Edi = TrampolineMemoryOffset;
+ BiosArguments.SegEs = TrampolineMemorySegment;
+ BiosArguments.Eax = VBE_SET_GET_PALETTE_DATA;
+ Status = VgaExtension->Int10Interface.Int10CallBios(Context, &BiosArguments);
+ if (Status != NO_ERROR) return ERROR_INVALID_PARAMETER;
+ VideoPortFreePool(VgaExtension, VesaClut);
+ VideoDebugPrint((Error, "VBE Status: %lx\n", BiosArguments.Eax));
+ if (VBE_GETRETURNCODE(BiosArguments.Eax) == VBE_SUCCESS)
+ return NO_ERROR;
+ return ERROR_INVALID_PARAMETER;
+}
+
+/* EOF */
projects / reactos.git / blobdiff