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Implemented VideoPortGetAccessRanges

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svn path=/trunk/; revision=4172
This commit is contained in:
Gé van Geldorp 2003-02-17 21:24:42 +00:00
parent 7e66e6636b
commit 40160296f7
1 changed files with 108 additions and 17 deletions
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125
reactos/drivers/dd/videoprt/videoprt.c
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@ -1,4 +1,4 @@
/* $Id: videoprt.c,v 1.1 2003/02/15 19:16:32 gvg Exp $
/* $Id: videoprt.c,v 1.2 2003/02/17 21:24:42 gvg Exp $
*
* VideoPort driver
* Written by Rex Jolliff
@ -24,8 +24,8 @@
* it will call VideoPortMapMemory() with the same physical address. It should
* map to the same virtual address, but I couldn't get this to work at the moment.
* So, as a workaround, a maximum of 2 physical addresses with their corresponding
* virtual addresses are kept in the device extension block. They are filled by
* VideoPortGetDeviceBase() and looked-up by VideoPortMapMemory().
* virtual addresses saved. They are filled by VideoPortGetDeviceBase() and
* looked-up by VideoPortMapMemory().
*/
#include <errors.h>
@ -51,8 +51,8 @@ static struct _EPROCESS* Csrss = NULL;
/* FIXME: see file header */
static PDEVICE_OBJECT pdoLastOpened;
static PVOID Virt7efc0000;
static PVOID Virt7ffc0000;
static PHYSICAL_ADDRESS Phys1, Phys2;
static PVOID Virt1, Virt2;
PBYTE ReturnCsrssAddress(void)
{
@ -138,9 +138,11 @@ VideoPortGetBusData(IN PVOID HwDeviceExtension,
IN ULONG Offset,
IN ULONG Length)
{
ULONG BusNumber = 0;
DPRINT("VideoPortGetBusData\n");
return HalGetBusDataByOffset(BusDataType,
0,
BusNumber,
SlotNumber,
Buffer,
Offset,
@ -182,13 +184,13 @@ VideoPortGetDeviceBase(IN PVOID HwDeviceExtension,
Virtual = MmMapIoSpace(TranslatedAddress, NumberOfUchars, MmNonCached);
/* FIXME: see file header */
DPRINT("Mapped 0x%08x to 0x%08x\n", IoAddress.u.LowPart, Virtual);
if (0x7efc0000 == IoAddress.u.LowPart)
if (0 == Phys1.QuadPart)
{
Virt7efc0000 = Virtual;
Virt1 = Virtual;
}
if (0x7ffc0000 == IoAddress.u.LowPart)
if (0 == Phys2.QuadPart)
{
Virt7ffc0000 = Virtual;
Virt2 = Virtual;
}
}
}
@ -220,8 +222,96 @@ VideoPortGetAccessRanges(IN PVOID HwDeviceExtension,
IN PVOID DeviceId,
IN PULONG Slot)
{
PCI_SLOT_NUMBER PciSlotNumber;
BOOLEAN FoundDevice;
ULONG FunctionNumber;
PCI_COMMON_CONFIG Config;
UINT BusNumber = 0;
PCM_RESOURCE_LIST AllocatedResources;
NTSTATUS Status;
UINT AssignedCount;
CM_FULL_RESOURCE_DESCRIPTOR *FullList;
CM_PARTIAL_RESOURCE_DESCRIPTOR *Descriptor;
DPRINT("VideoPortGetAccessRanges\n");
UNIMPLEMENTED;
if (0 == NumRequestedResources)
{
DPRINT("Looking for VendorId 0x%04x DeviceId 0x%04x\n", (int)*((USHORT *) VendorId),
(int)*((USHORT *) DeviceId));
FoundDevice = FALSE;
PciSlotNumber.u.AsULONG = *Slot;
for (FunctionNumber = 0; ! FoundDevice && FunctionNumber < 8; FunctionNumber++)
{
PciSlotNumber.u.bits.FunctionNumber = FunctionNumber;
if (sizeof(PCI_COMMON_CONFIG) ==
HalGetBusDataByOffset(PCIConfiguration, BusNumber, PciSlotNumber.u.AsULONG,
&Config, 0, sizeof(PCI_COMMON_CONFIG)))
{
DPRINT("Slot 0x%02x (Device %d Function %d) VendorId 0x%04x DeviceId 0x%04x\n",
PciSlotNumber.u.AsULONG, PciSlotNumber.u.bits.DeviceNumber,
PciSlotNumber.u.bits.FunctionNumber, Config.VendorID, Config.DeviceID);
FoundDevice = (Config.VendorID == *((USHORT *) VendorId) &&
Config.DeviceID == *((USHORT *) DeviceId));
}
}
if (! FoundDevice)
{
return STATUS_UNSUCCESSFUL;
}
Status = HalAssignSlotResources(NULL, NULL, NULL, NULL, PCIBus, BusNumber,
PciSlotNumber.u.AsULONG, &AllocatedResources);
if (! NT_SUCCESS(Status))
{
return Status;
}
AssignedCount = 0;
for (FullList = AllocatedResources->List;
FullList < AllocatedResources->List + AllocatedResources->Count &&
AssignedCount < NumAccessRanges;
FullList++)
{
assert(FullList->InterfaceType == PCIBus &&
FullList->BusNumber == BusNumber &&
1 == FullList->PartialResourceList.Version &&
1 == FullList->PartialResourceList.Revision);
for (Descriptor = FullList->PartialResourceList.PartialDescriptors;
Descriptor < FullList->PartialResourceList.PartialDescriptors + FullList->PartialResourceList.Count &&
AssignedCount < NumAccessRanges;
Descriptor++)
{
if (CmResourceTypeMemory == Descriptor->Type)
{
DPRINT("Memory range starting at 0x%08x length 0x%08x\n",
Descriptor->u.Memory.Start.u.LowPart, Descriptor->u.Memory.Length);
AccessRanges[AssignedCount].RangeStart = Descriptor->u.Memory.Start;
AccessRanges[AssignedCount].RangeLength = Descriptor->u.Memory.Length;
AccessRanges[AssignedCount].RangeInIoSpace = 0;
AccessRanges[AssignedCount].RangeVisible = 0; /* FIXME: Just guessing */
AccessRanges[AssignedCount].RangeShareable =
(CmResourceShareShared == Descriptor->ShareDisposition);
}
else if (CmResourceTypePort == Descriptor->Type)
{
DPRINT("Port range starting at 0x%04x length %d\n",
Descriptor->u.Memory.Start.u.LowPart, Descriptor->u.Memory.Length);
AccessRanges[AssignedCount].RangeStart = Descriptor->u.Port.Start;
AccessRanges[AssignedCount].RangeLength = Descriptor->u.Port.Length;
AccessRanges[AssignedCount].RangeInIoSpace = 1;
AccessRanges[AssignedCount].RangeVisible = 0; /* FIXME: Just guessing */
AccessRanges[AssignedCount].RangeShareable = 0;
}
else
{
ExFreePool(AllocatedResources);
return STATUS_UNSUCCESSFUL;
}
AssignedCount++;
}
}
ExFreePool(AllocatedResources);
}
return STATUS_SUCCESS;
}
VP_STATUS
@ -233,6 +323,7 @@ VideoPortGetRegistryParameters(IN PVOID HwDeviceExtension,
IN PVOID Context)
{
DPRINT("VideoPortGetRegistryParameters\n");
DPRINT("ParameterName %S\n", ParameterName);
UNIMPLEMENTED;
}
@ -461,16 +552,16 @@ VideoPortMapMemory(IN PVOID HwDeviceExtension,
DPRINT("VideoPortMapMemory\n");
/* FIXME: see file header */
if (0x7efc0000 == PhysicalAddress.u.LowPart)
if (Phys1.QuadPart == PhysicalAddress.QuadPart)
{
DPRINT("Using saved mapping for 0x7efc0000\n");
*VirtualAddress = Virt7efc0000;
DPRINT("Using saved mapping #1\n");
*VirtualAddress = Virt1;
return STATUS_SUCCESS;
}
if (0x7ffc0000 == PhysicalAddress.u.LowPart)
if (Phys2.QuadPart == PhysicalAddress.QuadPart)
{
DPRINT("Using saved mapping for 0x7ffc0000\n");
*VirtualAddress = Virt7ffc0000;
DPRINT("Using saved mapping #2\n");
*VirtualAddress = Virt2;
return STATUS_SUCCESS;
}