VOID FASTCALL
VBESortModes(PVBE_DEVICE_EXTENSION DeviceExtension)
{
BOOLEAN Finished = FALSE;
ULONG Pos;
int Result;
VBE_MODEINFO TempModeInfo;
USHORT TempModeNumber;
while (!Finished)
{
Finished = TRUE;
for (Pos = 0; Pos < DeviceExtension->ModeCount - 1; Pos++)
{
Result = VBESortModesCallback(
DeviceExtension->ModeInfo + Pos,
DeviceExtension->ModeInfo + Pos + 1);
if (Result > 0)
{
Finished = FALSE;
VideoPortMoveMemory(
&TempModeInfo,
DeviceExtension->ModeInfo + Pos,
sizeof(VBE_MODEINFO));
TempModeNumber = DeviceExtension->ModeNumbers[Pos];
VideoPortMoveMemory(
DeviceExtension->ModeInfo + Pos,
DeviceExtension->ModeInfo + Pos + 1,
sizeof(VBE_MODEINFO));
DeviceExtension->ModeNumbers[Pos] =
DeviceExtension->ModeNumbers[Pos + 1];
VideoPortMoveMemory(
DeviceExtension->ModeInfo + Pos + 1,
&TempModeInfo,
sizeof(VBE_MODEINFO));
DeviceExtension->ModeNumbers[Pos + 1] = TempModeNumber;
}
}
}
}
/* Called for IOCTL_VIDEO_QUERY_AVAIL_MODES.
* Returns information about supported video modes.
*/
BOOLEAN VBoxMPQueryAvailModes(PVBOXMP_DEVEXT pExt, PVIDEO_MODE_INFORMATION pModes, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
ULONG ulSize = VBoxMPXpdmGetVideoModesCount()*sizeof(VIDEO_MODE_INFORMATION);
pStatus->Information = ulSize;
VideoPortMoveMemory(pModes, VBoxMPCmnGetVideoModeInfo(0), ulSize);
LOGF_LEAVE();
return TRUE;
}
/* Called for IOCTL_VIDEO_QUERY_CURRENT_MODE.
* Returns information about current video mode.
*/
BOOLEAN VBoxMPQueryCurrentMode(PVBOXMP_DEVEXT pExt, PVIDEO_MODE_INFORMATION pModeInfo, PSTATUS_BLOCK pStatus)
{
LOGF_ENTER();
pStatus->Information = sizeof(VIDEO_MODE_INFORMATION);
VideoPortMoveMemory(pModeInfo, VBoxMPXpdmCurrentVideoMode(pExt), sizeof(VIDEO_MODE_INFORMATION));
LOGF_LEAVE();
return TRUE;
}
BOOLEAN
ViperGetBaseAddr(
PHW_DEVICE_EXTENSION HwDeviceExtension
)
/*++
Routine Description:
Perform board detection and if present return the P9000 base address.
Arguments:
HwDeviceExtension - Pointer to the miniport driver's device extension.
Return Value:
TRUE - Board found, P9 and Frame buffer address info was placed in
the device extension.
FALSE - Board not found.
--*/
{
VP_STATUS status;
SHORT i;
ULONG ulBiosAddr;
BOOLEAN bValid = FALSE;
VIDEO_ACCESS_RANGE BiosAccessRange =
{
VGA_BIOS_ADDR, // Low address
0x00000000, // Hi address
VGA_BIOS_LEN, // length
0, // Is range in i/o space?
1, // Range should be visible
1 // Range should be shareable
};
if (HwDeviceExtension->MachineType == SIEMENS_P9100_VLB)
return FALSE;
//
// Determine if a Viper card is installed by scanning the VGA BIOS ROM
// memory space.
//
//
// Map in the BIOS' memory space. If it can't be mapped,
// return an error.
//
if (HwDeviceExtension->MachineType == SIEMENS)
{
BiosAccessRange.RangeStart.LowPart += 0x10000000L;
}
if (VideoPortVerifyAccessRanges(HwDeviceExtension,
1,
&BiosAccessRange) != NO_ERROR)
{
return(FALSE);
}
if ((ulBiosAddr = (ULONG)
VideoPortGetDeviceBase(HwDeviceExtension,
BiosAccessRange.RangeStart,
BiosAccessRange.RangeLength,
FALSE)) == 0)
{
return(FALSE);
}
if (!VideoPortScanRom(HwDeviceExtension,
(PUCHAR) ulBiosAddr,
VGA_BIOS_LEN,
VIPER_VL_ID_STR))
{
VideoPortFreeDeviceBase(HwDeviceExtension, (PVOID) ulBiosAddr);
return(FALSE);
}
#ifdef REJECT_ON_BIOS_VERSION
if (bRejectOnBiosVersion(HwDeviceExtension, (PUCHAR) ulBiosAddr, VGA_BIOS_LEN))
return (FALSE);
#endif // REJECT_ON_BIOS_VERSION
VideoPortFreeDeviceBase(HwDeviceExtension, (PVOID) ulBiosAddr);
//
// For now, pretend we have a Weitek 5x86 VGA. Later we may call the
// Viper BIOS to determine which type of BIOS is installed.
//
HwDeviceExtension->AdapterDesc.bWtk5x86 = TRUE;
//
// Copy the DAC register access ranges to the global access range
// structure.
//
VideoPortMoveMemory(&DriverAccessRanges[NUM_DRIVER_ACCESS_RANGES],
VLDefDACRegRange,
HwDeviceExtension->Dac.cDacRegs *
sizeof(VIDEO_ACCESS_RANGE));
//
// A value for the P9 base address may have beens found in the registry,
// and it is now stored in the device extension. Ensure the address
// value is valid for the Viper card. Then use it to compute
// the starting address of the P9000 registers and frame buffer,
// and store it in the device extension.
//
for (i = 0; i < NumMemRanges; i++)
{
if (HwDeviceExtension->P9PhysAddr.LowPart ==
ViperMemRange[i].BaseMemAddr.LowPart)
{
bValid = TRUE;
break;
}
}
//
// If the address value is invalid, or was not found in the registry,
// use the default.
//
if (!bValid)
{
HwDeviceExtension->P9PhysAddr.LowPart = MemBase;
}
return(TRUE);
}
BOOLEAN
PciGetBaseAddr(
PHW_DEVICE_EXTENSION HwDeviceExtension
)
/*++
Routine Description:
Perform board detection and if present return the P9 base address.
Arguments:
HwDeviceExtension - Pointer to the miniport driver's device extension.
Return Value:
TRUE - Board found, P9 and Frame buffer address info was placed in
the device extension. PCI extended base address was placed in the
device extension.
FALSE - Board not found.
--*/
{
VIDEO_ACCESS_RANGE PciAccessRange;
PVIDEO_ACCESS_RANGE DefaultDACRegRange;
ULONG ulTempAddr;
ULONG ulBiosAddr;
ULONG ulBoardAddr;
ULONG ulTemp;
LONG i;
VP_STATUS status;
ULONG wcpID;
//
// Only the viper p9000 works on the Siemens boxes
//
if (HwDeviceExtension->MachineType == SIEMENS
|| HwDeviceExtension->MachineType == SIEMENS_P9100_VLB)
{
return FALSE;
}
//
// See if the PCI HAL can locate a Weitek 9001 PCI Board.
//
//
// First check for a P9100
//
if (PciFindDevice(HwDeviceExtension,
WTK_9100_ID,
WTK_VENDOR_ID,
&HwDeviceExtension->PciSlotNum))
{
wcpID = P9100_ID;
HwDeviceExtension->usBusType = PCI;
// Just a hack to get things working.
// NOTE: !!! WE should really do the detection.
HwDeviceExtension->p91State.bVideoPowerEnabled = FALSE;
// Now make sure we are looking for a P9100, if were not
// then fail.
if (HwDeviceExtension->P9CoprocInfo.CoprocId != P9100_ID)
{
return(FALSE);
}
#ifdef _MIPS_
//
// SNI platform recognition and specific stuff
//
{
extern VP_STATUS GetCPUIdCallback(
PVOID HwDeviceExtension,
PVOID Context,
VIDEO_DEVICE_DATA_TYPE DeviceDataType,
PVOID Identifier,
ULONG IdentifierLength,
PVOID ConfigurationData,
ULONG ConfigurationDataLength,
PVOID ComponentInformation,
ULONG ComponentInformationLength
);
if(VideoPortIsCpu(L"RM200PCI")
|| VideoPortIsCpu(L"RM300PCI")
|| VideoPortIsCpu(L"RM300PCI MP")
|| VideoPortIsCpu(L"RM400PCI")
|| VideoPortIsCpu(L"RM4x0PCI"))
{
// adjust the VGA physical address with the E/ISA I/O space
DriverAccessRanges[1].RangeStart.LowPart += 0x14000000 ;
HwDeviceExtension->MachineType = SIEMENS_P9100_PCi;
}
}
#endif
}
else if (PciFindDevice(HwDeviceExtension,
WTK_9001_ID,
WTK_VENDOR_ID,
&HwDeviceExtension->PciSlotNum))
{
wcpID = P9000_ID;
// Now make sure we are looking for a P9000, if were not
// then fail.
if (HwDeviceExtension->P9CoprocInfo.CoprocId != P9000_ID)
{
return(FALSE);
}
//
// Read the config space to determine if
// this is Rev 1 or 2. This will determine at which addresses
// the DAC registers are mapped.
//
if (!VideoPortGetBusData(HwDeviceExtension,
PCIConfiguration,
HwDeviceExtension->PciSlotNum,
&ulTemp,
P9001_REV_ID,
sizeof(ulTemp)))
{
return(FALSE);
}
//
// Got the 9001 rev id. Choose the appropriate table of DAC register
// addresses.
//
switch((UCHAR) (ulTemp))
{
case 1 :
//
// This is a Rev 1 9001, which uses the standard VL DAC
// Addresses. All known rev 1 implementations use the
// Weitek 5286 VGA chip.
//
DefaultDACRegRange = VLDefDACRegRange;
HwDeviceExtension->AdapterDesc.bWtk5x86 = TRUE;
break;
case 2 :
default:
//
// This is a Rev 2 9001. Set up the table of DAC register
// offsets accordingly.
//
DefaultDACRegRange = Pci9001DefDACRegRange;
//
// A Rev 2 9001 is present. Get the BIOS ROM address from the
// PCI configuration space so we can do a ROM scan to
// determine if this is a Viper PCI adapter.
//
PciAccessRange.RangeStart.LowPart = 0;
PciAccessRange.RangeStart.HighPart = 0;
if (VideoPortGetBusData(HwDeviceExtension,
PCIConfiguration,
HwDeviceExtension->PciSlotNum,
&PciAccessRange.RangeStart.LowPart,
P9001_BIOS_BASE_ADDR,
sizeof(ULONG)) == 0)
{
return FALSE;
}
if (PciAccessRange.RangeStart.LowPart)
{
//
// We found an address for the BIOS. Verify it.
//
// Set up the access range so we can map out the BIOS ROM
// space. This will allow us to scan the ROM and detect the
// presence of a Viper PCI adapter.
//
PciAccessRange.RangeInIoSpace = FALSE;
PciAccessRange.RangeVisible = TRUE;
PciAccessRange.RangeShareable = TRUE;
PciAccessRange.RangeLength = BIOS_RANGE_LEN;
//
// Check to see if another miniport driver has allocated the
// BIOS' memory space.
//
if (VideoPortVerifyAccessRanges(HwDeviceExtension,
1L,
&PciAccessRange) != NO_ERROR)
{
PciAccessRange.RangeStart.LowPart = 0;
}
}
if (PciAccessRange.RangeStart.LowPart == 0)
{
//
// The Adapter has not been enabled, so we need to map the
// BIOS address.
//
IO_RESOURCE_DESCRIPTOR ioResource = {
IO_RESOURCE_PREFERRED,
CmResourceTypeMemory,
CmResourceShareDeviceExclusive,
0,
CM_RESOURCE_MEMORY_READ_WRITE,
0,
{
BIOS_RANGE_LEN, // Length
BIOS_RANGE_LEN, // Alignment
{ 0x10000000, 0 }, // Minimum start address
{ 0xefffffff, 0} // Maximum end address
}
};
status = VideoPortGetAccessRanges(HwDeviceExtension,
1,
&ioResource,
1,
&PciAccessRange,
NULL,
NULL,
&HwDeviceExtension->PciSlotNum);
if (status != NO_ERROR)
{
return(FALSE);
}
}
//
// Map in the BIOS' memory space. If it can't be mapped,
// return an error.
//
if ((ulBiosAddr = (ULONG)
VideoPortGetDeviceBase(HwDeviceExtension,
PciAccessRange.RangeStart,
PciAccessRange.RangeLength,
PciAccessRange.RangeInIoSpace)) == 0)
{
return(FALSE);
}
//
// Enable the Adapter BIOS.
//
ulTemp = PciAccessRange.RangeStart.LowPart | PCI_BIOS_ENB;
VideoPortSetBusData(HwDeviceExtension,
PCIConfiguration,
HwDeviceExtension->PciSlotNum,
&ulTemp,
P9001_BIOS_BASE_ADDR,
sizeof(ULONG));
if (VideoPortScanRom(HwDeviceExtension,
(PUCHAR) ulBiosAddr,
BIOS_RANGE_LEN,
VIPER_ID_STR))
{
//
// A Viper PCI is present, use the Viper set mode,
// enable/disable video function pointers, and clk
// divisor values. Also, Viper PCI does not
// use a Weitek VGA.
//
HwDeviceExtension->AdapterDesc.OEMSetMode = ViperSetMode;
HwDeviceExtension->AdapterDesc.P9EnableVideo =
ViperPciP9Enable;
HwDeviceExtension->AdapterDesc.P9DisableVideo =
ViperPciP9Disable;
HwDeviceExtension->AdapterDesc.iClkDiv = 4;
HwDeviceExtension->AdapterDesc.bWtk5x86 = FALSE;
}
else
{
//
// All non-Viper Rev 2 implementations use a Weitek
// 5286 VGA chip.
//
HwDeviceExtension->AdapterDesc.bWtk5x86 = TRUE;
}
//
// Restore the BIOS register to it's original value.
//
VideoPortSetBusData(HwDeviceExtension,
PCIConfiguration,
HwDeviceExtension->PciSlotNum,
&ulTempAddr,
P9001_BIOS_BASE_ADDR,
sizeof(ULONG));
VideoPortFreeDeviceBase(HwDeviceExtension, (PVOID) ulBiosAddr);
break;
}
}
else if (PciFindDevice(HwDeviceExtension, // Search for a Weitek 9002.
WTK_9002_ID,
WTK_VENDOR_ID,
&HwDeviceExtension->PciSlotNum))
{
wcpID = P9000_ID;
// Now make sure we are looking for a P9000, if were not
// then fail.
if (HwDeviceExtension->P9CoprocInfo.CoprocId != P9000_ID)
{
return(FALSE);
}
//
// Found a 9002 board. Set up the table of DAC addresses
// accordingly.
//
DefaultDACRegRange = Pci9002DefDACRegRange;
}
else
{
//
// No Weitek PCI devices were found, return an error.
//
return(FALSE);
}
//
// Get the base address of the adapter.
// Some machines rely on the address not changing - if the address changes
// the machine randomly appears to corrupt memory.
// So use the pre-configured address if it is available.
//
HwDeviceExtension->P9PhysAddr.LowPart = 0;
VideoPortGetBusData(HwDeviceExtension,
PCIConfiguration,
HwDeviceExtension->PciSlotNum,
&HwDeviceExtension->P9PhysAddr.LowPart,
P9001_BASE_ADDR,
sizeof(ULONG));
if (HwDeviceExtension->P9PhysAddr.LowPart == 0)
{
IO_RESOURCE_DESCRIPTOR ioResource = {
IO_RESOURCE_PREFERRED,
CmResourceTypeMemory,
CmResourceShareDeviceExclusive,
0,
CM_RESOURCE_MEMORY_READ_WRITE,
0,
{
RESERVE_PCI_ADDRESS_SPACE, // Length
RESERVE_PCI_ADDRESS_SPACE, // Alignment
{ 0x10000000, 0 }, // Minimum start address
{ 0xefffffff, 0} // Maximum end address
}
};
status = VideoPortGetAccessRanges(HwDeviceExtension,
1,
&ioResource,
1,
&PciAccessRange,
NULL,
NULL,
&HwDeviceExtension->PciSlotNum);
if (status == NO_ERROR)
{
HwDeviceExtension->P9PhysAddr = PciAccessRange.RangeStart;
//
// Save the physical base address in the PCI config space.
//
VideoPortSetBusData(HwDeviceExtension,
PCIConfiguration,
HwDeviceExtension->PciSlotNum,
&HwDeviceExtension->P9PhysAddr.LowPart,
P9001_BASE_ADDR,
sizeof(ULONG));
}
}
if (HwDeviceExtension->P9PhysAddr.LowPart == 0)
{
return(FALSE);
}
//
// The P9100 can access the DAC directly, so no I/O space needs to be
// allocated for DAC access.
//
if (wcpID == P9000_ID)
{
//
// The Adapter has not been enabled, so we need to map the
// base IO address.
//
IO_RESOURCE_DESCRIPTOR ioResource = {
IO_RESOURCE_PREFERRED,
CmResourceTypePort,
CmResourceShareDeviceExclusive,
0,
CM_RESOURCE_PORT_IO,
0,
{
P9001_IO_RANGE, // Length
P9001_IO_RANGE, // Alignment
{ 0x00001000, 0 }, // Minimum start address
{ 0x0000ffff, 0} // Maximum end address
}
};
status = VideoPortGetAccessRanges(HwDeviceExtension,
1,
&ioResource,
1,
&PciAccessRange,
NULL,
NULL,
&HwDeviceExtension->PciSlotNum);
if (status == NO_ERROR)
{
HwDeviceExtension->P9001PhysicalAddress = PciAccessRange.RangeStart;
}
else
{
return(FALSE);
}
//
// Save the physical base address in the PCI config space.
//
ulTemp = HwDeviceExtension->P9001PhysicalAddress.LowPart | 0x01;
VideoPortSetBusData(HwDeviceExtension,
PCIConfiguration,
HwDeviceExtension->PciSlotNum,
&ulTemp,
P9001_REG_BASE,
sizeof(ULONG));
//
// Compute the actual base address.
//
HwDeviceExtension->P9001PhysicalAddress.LowPart &= 0xFFFFFFFE;
//
// If this is a 9002 board, map in and read the VGA id register.
//
if (DefaultDACRegRange == Pci9002DefDACRegRange)
{
//
// Set up the access range so we can map out the VGA ID register.
//
PciAccessRange.RangeInIoSpace = TRUE;
PciAccessRange.RangeVisible = TRUE;
PciAccessRange.RangeShareable = TRUE;
PciAccessRange.RangeLength = 1;
PciAccessRange.RangeStart = HwDeviceExtension->P9001PhysicalAddress;
PciAccessRange.RangeStart.LowPart += P9002_VGA_ID;
//
// Map in the VGA ID register. If it can't be mapped,
// we can't determine the VGA type, so just use the default.
//
if ((ulBoardAddr = (ULONG)
VideoPortGetDeviceBase(HwDeviceExtension,
PciAccessRange.RangeStart,
PciAccessRange.RangeLength,
PciAccessRange.RangeInIoSpace)) != 0)
{
HwDeviceExtension->AdapterDesc.bWtk5x86 =
(VideoPortReadPortUchar((PUCHAR) ulBoardAddr) & VGA_MSK == WTK_VGA);
VideoPortFreeDeviceBase(HwDeviceExtension,
(PVOID) ulBoardAddr);
}
else
{
//
// Assume this is a 5x86 VGA.
//
HwDeviceExtension->AdapterDesc.bWtk5x86 = TRUE;
}
}
//
// Compute the actual DAC register addresses relative to the PCI
// base address.
//
for (i = 0; i < HwDeviceExtension->Dac.cDacRegs; i++)
{
//
// If this is not a palette addr or data register, and the board
// is not using the standard VL addresses, compute the register
// address relative to the register base address.
//
if ((i > 3) && (DefaultDACRegRange != VLDefDACRegRange))
{
DefaultDACRegRange[i].RangeStart.LowPart +=
HwDeviceExtension->P9001PhysicalAddress.LowPart;
}
}
//
// Copy the DAC register access range into the global list of access
// ranges.
//
VideoPortMoveMemory(&DriverAccessRanges[NUM_DRIVER_ACCESS_RANGES],
DefaultDACRegRange,
sizeof(VIDEO_ACCESS_RANGE) *
HwDeviceExtension->Dac.cDacRegs);
//
// This is a hack. Initialize an additional access range to map out
// the entire 4K range of contiguous IO space starting at PCI_REG_BASE.
// apparently the 9001 decodes accesses over this entire range rather
// than the individual register offsets within this range.
//
//
// Set up the access range so we can map the entire 4k IO range.
//
PciAccessRange.RangeInIoSpace = TRUE;
PciAccessRange.RangeVisible = TRUE;
PciAccessRange.RangeShareable = TRUE;
PciAccessRange.RangeLength = P9001_IO_RANGE;
PciAccessRange.RangeStart = HwDeviceExtension->P9001PhysicalAddress;
VideoPortMoveMemory(&DriverAccessRanges[NUM_DRIVER_ACCESS_RANGES +
NUM_DAC_ACCESS_RANGES],
&PciAccessRange,
sizeof(VIDEO_ACCESS_RANGE));
}
return(TRUE);
}