vmx_svga.c File Reference

#include "precomp.h"
#include "debug.h"

Include dependency graph for vmx_svga.c:

Go to the source code of this file.

Functions
ULONG NTAPI	VmxReadUlong (IN PHW_DEVICE_EXTENSION DeviceExtension, IN ULONG Index)
VOID NTAPI	VmxWriteUlong (IN PHW_DEVICE_EXTENSION DeviceExtension, IN ULONG Index, IN ULONG Value)
ULONG NTAPI	VmxInitModes (IN PHW_DEVICE_EXTENSION DeviceExtension)
VP_STATUS NTAPI	VmxInitDevice (IN PHW_DEVICE_EXTENSION DeviceExtension)
BOOLEAN NTAPI	VmxIsMultiMon (IN PHW_DEVICE_EXTENSION DeviceExtension)
VP_STATUS NTAPI	VmxFindAdapter (IN PVOID HwDeviceExtension, IN PVOID HwContext, IN PWSTR ArgumentString, IN OUT PVIDEO_PORT_CONFIG_INFO ConfigInfo, OUT PUCHAR Again)
BOOLEAN NTAPI	VmxInitialize (IN PVOID HwDeviceExtension)
BOOLEAN NTAPI	VmxStartIO (IN PVOID HwDeviceExtension, IN PVIDEO_REQUEST_PACKET RequestPacket)
BOOLEAN NTAPI	VmxResetHw (IN PVOID DeviceExtension, IN ULONG Columns, IN ULONG Rows)
VP_STATUS NTAPI	VmxGetPowerState (IN PVOID HwDeviceExtension, IN ULONG HwId, IN PVIDEO_POWER_MANAGEMENT VideoPowerControl)
VP_STATUS NTAPI	VmxSetPowerState (IN PVOID HwDeviceExtension, IN ULONG HwId, IN PVIDEO_POWER_MANAGEMENT VideoPowerControl)
BOOLEAN NTAPI	VmxInterrupt (IN PVOID HwDeviceExtension)
VP_STATUS NTAPI	VmxGetVideoChildDescriptor (IN PVOID HwDeviceExtension, IN PVIDEO_CHILD_ENUM_INFO ChildEnumInfo, OUT PVIDEO_CHILD_TYPE VideoChildType, OUT PUCHAR pChildDescriptor, OUT PULONG UId, OUT PULONG pUnused)
ULONG NTAPI	DriverEntry (IN PVOID Context1, IN PVOID Context2)

Variables
PHW_DEVICE_EXTENSION	VmxDeviceExtensionArray [SVGA_MAX_DISPLAYS]
static WCHAR	AdapterString [] = L"VMware SVGA II"

Function Documentation

DriverEntry()

ULONG NTAPI DriverEntry	(	IN PVOID	Context1,
		IN PVOID	Context2
	)

Definition at line 246 of file vmx_svga.c.

{
    VIDEO_HW_INITIALIZATION_DATA InitData;

    /* Zero initialization structure and array of extensions, one per screen */
    DPRINT1("VMX-SVGAII Loading...\n");
    VideoPortZeroMemory(VmxDeviceExtensionArray, sizeof(VmxDeviceExtensionArray));
    VideoPortZeroMemory(&InitData, sizeof(InitData));

    /* Setup the initialization structure with VideoPort */
    InitData.HwInitDataSize = sizeof(VIDEO_HW_INITIALIZATION_DATA);
    InitData.HwFindAdapter = VmxFindAdapter;
    InitData.HwInitialize = VmxInitialize;
    InitData.HwInterrupt = VmxInterrupt;
    InitData.HwStartIO = VmxStartIO;
    InitData.HwResetHw = VmxResetHw;
    InitData.HwGetPowerState = VmxGetPowerState;
    InitData.HwSetPowerState = VmxSetPowerState;
    InitData.HwGetVideoChildDescriptor = VmxGetVideoChildDescriptor;
    InitData.AdapterInterfaceType = PCIBus;
    InitData.HwInitDataSize = sizeof(VIDEO_HW_INITIALIZATION_DATA);
    InitData.HwDeviceExtensionSize = sizeof(HW_DEVICE_EXTENSION);
    return VideoPortInitialize(Context1, Context2, &InitData, NULL);
}

VmxFindAdapter()

VP_STATUS NTAPI VmxFindAdapter	(	IN PVOID	HwDeviceExtension,
		IN PVOID	HwContext,
		IN PWSTR	ArgumentString,
		IN OUT PVIDEO_PORT_CONFIG_INFO	ConfigInfo,
		OUT PUCHAR	Again
	)

Definition at line 84 of file vmx_svga.c.

{
    VP_STATUS Status;
    PHW_DEVICE_EXTENSION DeviceExtension = HwDeviceExtension;
    DPRINT1("VMX searching for adapter\n");

    /* Zero out the fields */
    VideoPortZeroMemory(DeviceExtension, sizeof(HW_DEVICE_EXTENSION));

    /* Validate the Config Info */
    if (ConfigInfo->Length < sizeof(VIDEO_PORT_CONFIG_INFO))
    {
        /* Incorrect OS version? */
        DPRINT1("Invalid configuration info\n");
        return ERROR_INVALID_PARAMETER;
    }

    /* Initialize the device extension and find the adapter */
    Status = VmxInitDevice(DeviceExtension);
    DPRINT1("Init status: %lx\n", Status);
    if (Status != NO_ERROR) return ERROR_DEV_NOT_EXIST;

    /* Save this adapter extension */
    VmxDeviceExtensionArray[0] = DeviceExtension;

    /* Create the sync event */
    VideoPortCreateEvent(DeviceExtension,
                         NOTIFICATION_EVENT,
                         NULL,
                         &DeviceExtension->SyncEvent);

    /* Check for multi-monitor configuration */
    if (VmxIsMultiMon(DeviceExtension))
    {
        /* Let's not go so far */
        UNIMPLEMENTED;
        while (TRUE);
    }

    /* Zero the frame buffer */
    VideoPortZeroMemory((PVOID)(ULONG_PTR)DeviceExtension->FrameBuffer.QuadPart,
                        DeviceExtension->VramSize.LowPart);

    /* Initialize the video modes */
    VmxInitModes(DeviceExtension);

    /* Setup registry keys */
    VideoPortSetRegistryParameters(DeviceExtension,
                                   L"HardwareInformation.ChipType",
                                   AdapterString,
                                   sizeof(AdapterString));
    VideoPortSetRegistryParameters(DeviceExtension,
                                   L"HardwareInformation.DacType",
                                   AdapterString,
                                   sizeof(AdapterString));
    VideoPortSetRegistryParameters(DeviceExtension,
                                   L"HardwareInformation.MemorySize",
                                   &DeviceExtension->VramSize.LowPart,
                                   sizeof(ULONG));
    VideoPortSetRegistryParameters(DeviceExtension,
                                   L"HardwareInformation.AdapterString",
                                   AdapterString,
                                   sizeof(AdapterString));
    VideoPortSetRegistryParameters(DeviceExtension,
                                   L"HardwareInformation.BiosString",
                                   AdapterString,
                                   sizeof(AdapterString));

    /* No VDM support */
    ConfigInfo->NumEmulatorAccessEntries = 0;
    ConfigInfo->EmulatorAccessEntries = 0;
    ConfigInfo->EmulatorAccessEntriesContext = 0;
    ConfigInfo->HardwareStateSize = 0;
    ConfigInfo->VdmPhysicalVideoMemoryAddress.QuadPart = 0;
    ConfigInfo->VdmPhysicalVideoMemoryLength = 0;

    /* Write that this is Windows XP or higher */
    VmxWriteUlong(DeviceExtension, SVGA_REG_GUEST_ID, 0x5000 | 0x08);
    return NO_ERROR;
}

Referenced by DriverEntry().

VmxGetPowerState()

VP_STATUS NTAPI VmxGetPowerState	(	IN PVOID	HwDeviceExtension,
		IN ULONG	HwId,
		IN PVIDEO_POWER_MANAGEMENT	VideoPowerControl
	)

Definition at line 201 of file vmx_svga.c.

{
    UNIMPLEMENTED;
    while (TRUE);
    return NO_ERROR;
}

Referenced by DriverEntry().

VmxGetVideoChildDescriptor()

VP_STATUS NTAPI VmxGetVideoChildDescriptor	(	IN PVOID	HwDeviceExtension,
		IN PVIDEO_CHILD_ENUM_INFO	ChildEnumInfo,
		OUT PVIDEO_CHILD_TYPE	VideoChildType,
		OUT PUCHAR	pChildDescriptor,
		OUT PULONG	UId,
		OUT PULONG	pUnused
	)

Definition at line 232 of file vmx_svga.c.

{
    UNIMPLEMENTED;
    while (TRUE);
    return NO_ERROR;
}

Referenced by DriverEntry().

VmxInitDevice()

VP_STATUS NTAPI VmxInitDevice

(

IN PHW_DEVICE_EXTENSION

DeviceExtension

)

Definition at line 54 of file vmx_svga.c.

{
    /* Not here yet */
    UNIMPLEMENTED;
    while (TRUE);
    return NO_ERROR;
}

Referenced by VmxFindAdapter().

VmxInitialize()

BOOLEAN NTAPI VmxInitialize

(

IN PVOID

HwDeviceExtension

)

Definition at line 171 of file vmx_svga.c.

{
    UNIMPLEMENTED;
    while (TRUE);
    return TRUE;
}

Referenced by DriverEntry().

VmxInitModes()

ULONG NTAPI VmxInitModes

(

IN PHW_DEVICE_EXTENSION

DeviceExtension

)

Definition at line 44 of file vmx_svga.c.

{
    /* Not here yet */
    UNIMPLEMENTED;
    while (TRUE);
    return 0;
}

Referenced by VmxFindAdapter().

VmxInterrupt()

BOOLEAN NTAPI VmxInterrupt

(

IN PVOID

HwDeviceExtension

)

Definition at line 223 of file vmx_svga.c.

{
    UNIMPLEMENTED;
    while (TRUE);
    return TRUE;
}

Referenced by DriverEntry().

VmxIsMultiMon()

BOOLEAN NTAPI VmxIsMultiMon

(

IN PHW_DEVICE_EXTENSION

DeviceExtension

)

Definition at line 64 of file vmx_svga.c.

{
    ULONG Capabilities;

    /* Get the caps */
    Capabilities = DeviceExtension->Capabilities;

    /* Check for multi-mon support */
    if ((Capabilities & SVGA_CAP_MULTIMON) && (Capabilities & SVGA_CAP_PITCHLOCK))
    {
        /* Query the monitor count */
        if (VmxReadUlong(DeviceExtension, SVGA_REG_NUM_DISPLAYS) > 1) return TRUE;
    }

    /* Either no support, or just one screen */
    return FALSE;
}

Referenced by VmxFindAdapter().

VmxReadUlong()

ULONG NTAPI VmxReadUlong	(	IN PHW_DEVICE_EXTENSION	DeviceExtension,
		IN ULONG	Index
	)

Definition at line 23 of file vmx_svga.c.

{
    /* Program the index first, then read the value */
    VideoPortWritePortUlong(DeviceExtension->IndexPort, Index);
    return VideoPortReadPortUlong(DeviceExtension->ValuePort);
}

Referenced by VmxIsMultiMon().

VmxResetHw()

BOOLEAN NTAPI VmxResetHw	(	IN PVOID	DeviceExtension,
		IN ULONG	Columns,
		IN ULONG	Rows
	)

Definition at line 190 of file vmx_svga.c.

{
    UNIMPLEMENTED;
    while (TRUE);
    return FALSE;
}

Referenced by DriverEntry().

VmxSetPowerState()

VP_STATUS NTAPI VmxSetPowerState	(	IN PVOID	HwDeviceExtension,
		IN ULONG	HwId,
		IN PVIDEO_POWER_MANAGEMENT	VideoPowerControl
	)

Definition at line 212 of file vmx_svga.c.

{
    UNIMPLEMENTED;
    while (TRUE);
    return NO_ERROR;
}

Referenced by DriverEntry().

VmxStartIO()

BOOLEAN NTAPI VmxStartIO	(	IN PVOID	HwDeviceExtension,
		IN PVIDEO_REQUEST_PACKET	RequestPacket
	)

Definition at line 180 of file vmx_svga.c.

{
    UNIMPLEMENTED;
    while (TRUE);
    return TRUE;
}

Referenced by DriverEntry().

VmxWriteUlong()

VOID NTAPI VmxWriteUlong	(	IN PHW_DEVICE_EXTENSION	DeviceExtension,
		IN ULONG	Index,
		IN ULONG	Value
	)

Definition at line 33 of file vmx_svga.c.

{
    /* Program the index first, then write the value */
    VideoPortWritePortUlong(DeviceExtension->IndexPort, Index);
    VideoPortWritePortUlong(DeviceExtension->ValuePort, Value);
}

Referenced by VmxFindAdapter().

Variable Documentation

AdapterString

WCHAR AdapterString[] = L"VMware SVGA II"

static

Definition at line 17 of file vmx_svga.c.

Referenced by VmxFindAdapter().

VmxDeviceExtensionArray

PHW_DEVICE_EXTENSION VmxDeviceExtensionArray[SVGA_MAX_DISPLAYS]

Definition at line 16 of file vmx_svga.c.

Referenced by DriverEntry(), and VmxFindAdapter().