public VMWareSVGAII()
{
device = (HAL.PCI.GetDevice(HAL.VendorID.VMWare, HAL.DeviceID.SVGAIIAdapter));
device.EnableMemory(true);
uint basePort = device.BaseAddressBar[0].BaseAddress;
IndexPort = new IOPort((ushort)(basePort + (uint)IOPortOffset.Index));
ValuePort = new IOPort((ushort)(basePort + (uint)IOPortOffset.Value));
BiosPort = new IOPort((ushort)(basePort + (uint)IOPortOffset.Bios));
IRQPort = new IOPort((ushort)(basePort + (uint)IOPortOffset.IRQ));
WriteRegister(Register.ID, (uint)ID.V2);
if (ReadRegister(Register.ID) != (uint)ID.V2)
{
return;
}
Video_Memory = new MemoryBlock(ReadRegister(Register.FrameBufferStart), ReadRegister(Register.VRamSize));
capabilities = ReadRegister(Register.Capabilities);
InitializeFIFO();
}
public NVIDIA9500MGS(PCIDevice host) : base(host)
{
Label = "NVIDIA 9500MGS";
instance = this;
Settings.EnterVideoMode = EnterGraphicsMode;
host.EnableMemory(true);
uint basePort = ((PCIDeviceNormal)host).BaseAddresses[0].BaseAddress();
IndexPort = ((ushort)(basePort + (uint)IOPortOffset.Index));
ValuePort = ((ushort)(basePort + (uint)IOPortOffset.Value));
BiosPort = ((ushort)(basePort + (uint)IOPortOffset.Bios));
IRQPort = ((ushort)(basePort + (uint)IOPortOffset.IRQ));
WriteRegister(Register.ID, (uint)ID.V2);
if (ReadRegister(Register.ID) != (uint)ID.V2)
{
return;
}
VIDEO_MEMORY = new Cosmos.Core.MemoryBlock(ReadRegister(Register.FrameBufferStart), ReadRegister(Register.VRamSize));
capabilities = ReadRegister(Register.Capabilities);
InitializeFIFO();
}
public VMWareSVGAII()
{
Device = PCI.GetDeviceVendorID(misc.PCI_VENDOR_ID_VMWARE, misc.PCI_DEVICE_ID_VMWARE_SVGA2);
if (Device == null)
{
throw new Exception("Device Not Found");
}
Device.EnableMemory(true);
//IO Ports
var IOBase = Device.BaseAddressBar[0].BaseAddress;
IndexPort = new IOPort((ushort)(IOBase + (ushort)IOPortOffset.Index));
ValuePort = new IOPort((ushort)(IOBase + (ushort)IOPortOffset.Value));
//Memory Block
FB_Memory = new MemoryBlock32(Device.BaseAddressBar[1].BaseAddress);
FIFO_Memory = new MemoryBlock32(Device.BaseAddressBar[2].BaseAddress);
//Version Check
VersionID = (UInt32)Versions.SVGA_ID_2;
do
{
WriteRegister(Registers.SVGA_REG_ID, VersionID);
if (ReadRegister(Registers.SVGA_REG_ID) == VersionID)
{
break;
}
else
{
VersionID--;
}
}while (VersionID >= (UInt32)Versions.SVGA_ID_0);
if (VersionID < (UInt32)Versions.SVGA_ID_0)
{
throw new Exception("Error negotiating SVGA device version.");
}
//Memory Block Length
FB_Memory.Length = ReadRegister(Registers.SVGA_REG_FB_SIZE);
FIFO_Memory.Length = ReadRegister(Registers.SVGA_REG_MEM_SIZE);
//Memory Block Length Check
if (FB_Memory.Length < 0x100000)
{
throw new Exception("FB size very small, probably incorrect.");
}
if (FIFO_Memory.Length < 0x20000)
{
throw new Exception("FIFO size very small, probably incorrect.");
}
if (VersionID >= (UInt32)Versions.SVGA_ID_1)
{
Capabilities = ReadRegister(Registers.SVGA_REG_CAPABILITIES);
}
}
/// <summary>
/// Creates a new instance of the <see cref="AC97"/> class, with the
/// given buffer size.
/// </summary>
/// <param name="bufferSize">The buffer size in samples to use. This value cannot be an odd number, as per the AC97 specification.</param>
/// <exception cref="ArgumentException">Thrown when the given buffer size is invalid.</exception>
/// <exception cref="InvalidOperationException">Thrown when no AC97-compatible sound card is present.</exception>
private AC97(ushort bufferSize)
{
if (bufferSize % 2 != 0)
{
// As per the AC97 specification, the buffer size cannot be odd.
// (1.2.4.2 PCM Buffer Restrictions, Intel document 302349-003)
throw new ArgumentException("The buffer size must be an even number.", nameof(bufferSize));
}
PCIDevice pci = Cosmos.HAL.PCI.GetDeviceClass(
ClassID.MultimediaDevice, // 0x04
(SubclassID)0x01 // 0x01
);
if (pci == null || !pci.DeviceExists || pci.InterruptLine > 0xF)
{
throw new InvalidOperationException("No AC97-compatible device could be found.");
}
PCI = pci; // Expose PCI device to the public API
pci.EnableBusMaster(true);
pci.EnableMemory(true);
pci.EnableDevice(); // enable I/O space
INTs.SetIrqHandler(pci.InterruptLine, HandleInterrupt);
ushort NAMbar = (ushort)pci.BaseAddressBar[0].BaseAddress; // Native Audio Mixer
ushort NABMbar = (ushort)pci.BaseAddressBar[1].BaseAddress; // Native Audio Bus Master
pTransferControl = new IOPort((ushort)(NABMbar + 0x1B));
pMasterVolume = new IOPort((ushort)(NAMbar + 0x02));
pPCMOutVolume = new IOPort((ushort)(NAMbar + 0x18));
pBufferDescriptors = new IOPort((ushort)(NABMbar + 0x10));
pTransferStatus = new IOPort((ushort)(NABMbar + 0x16));
pLastValidEntry = new IOPort((ushort)(NABMbar + 0x15));
pGlobalControl = new IOPort((ushort)(NABMbar + 0x2C));
pResetRegister = new IOPort((ushort)(NAMbar + 0x00));
// Reset device
pGlobalControl.Byte = 0x2;
pResetRegister.DWord = 0xDEADBEEF; // any value will do here
// Reset PCM out
uint polls = 0; // The amount we polled the device for a reset
pTransferControl.Byte = (byte)(pTransferControl.Byte | TC_TRANSFER_RESET);
while ((pTransferControl.Byte & TC_TRANSFER_RESET) != 0 && polls < RESET_POLL_LIMIT)
{
// Wait until the byte is cleared
polls++;
}
// The device hasn't responded to our reset request. Probably not a fully-compatible AC97 card.
if (polls >= RESET_POLL_LIMIT)
{
throw new InvalidOperationException("No AC97-compatible device could be found - the reset timeout has expired.");
}
// Volume
pMasterVolume.Word = CreateMixerVolumeValue(AC97_VOLUME_MAX, AC97_VOLUME_MAX, false);
pPCMOutVolume.Word = CreateMixerVolumeValue(AC97_VOLUME_MAX, AC97_VOLUME_MAX, false);
// Create all needed buffers
CreateBuffers(bufferSize);
// Initialization done - driver can now be activated by using Enable()
}
