+++ /dev/null
-/*
- * PROJECT: ReactOS VGA Miniport Driver
- * LICENSE: BSD - See COPYING.ARM in the top level directory
- * FILE: win32ss/drivers/miniport/vga_new/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