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authorben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2>2007-04-06 15:20:49 +0000
committerben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2>2007-04-06 15:20:49 +0000
commit51ba40dcd64518c8d5f9ce586171c8fb347a42c0 (patch)
tree590b1ce6d17f2126b67d1a5cb1576cdd7e8dea5c /libdha/dhahelperwin
parent3099d0da16505cbc0aaab34f9299404e9ec19241 (diff)
downloadmpv-51ba40dcd64518c8d5f9ce586171c8fb347a42c0.tar.bz2
mpv-51ba40dcd64518c8d5f9ce586171c8fb347a42c0.tar.xz
merged libdha and libvidix, moved all files from libdha to vidix directory
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22918 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libdha/dhahelperwin')
-rw-r--r--libdha/dhahelperwin/MAKEFILE7
-rw-r--r--libdha/dhahelperwin/SOURCES6
-rw-r--r--libdha/dhahelperwin/dhahelper.c359
-rw-r--r--libdha/dhahelperwin/dhahelper.h50
-rw-r--r--libdha/dhahelperwin/dhasetup.c61
5 files changed, 0 insertions, 483 deletions
diff --git a/libdha/dhahelperwin/MAKEFILE b/libdha/dhahelperwin/MAKEFILE
deleted file mode 100644
index 58189757d6..0000000000
--- a/libdha/dhahelperwin/MAKEFILE
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# DO NOT EDIT THIS FILE!!! Edit .\sources. if you want to add a new source
-# file to this component. This file merely indirects to the real make file
-# that is shared by all the driver components of the Windows NT DDK
-#
-
-!INCLUDE $(NTMAKEENV)\makefile.def
diff --git a/libdha/dhahelperwin/SOURCES b/libdha/dhahelperwin/SOURCES
deleted file mode 100644
index e44aa06971..0000000000
--- a/libdha/dhahelperwin/SOURCES
+++ /dev/null
@@ -1,6 +0,0 @@
-TARGETNAME=dhahelper
-TARGETPATH=.
-TARGETTYPE=DRIVER
-NTDEBUG=ntsd
-
-SOURCES= dhahelper.c
diff --git a/libdha/dhahelperwin/dhahelper.c b/libdha/dhahelperwin/dhahelper.c
deleted file mode 100644
index 230d44a372..0000000000
--- a/libdha/dhahelperwin/dhahelper.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/******************************************************************************
- * dhahelper.c: direct hardware access under Windows NT/2000/XP
- * Copyright (c) 2004 Sascha Sommer <saschasommer@freenet.de>.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- *****************************************************************************/
-
-
-#include <ntddk.h>
-#include "dhahelper.h"
-
-#define OutputDebugString DbgPrint
-
-#define IOPM_SIZE 0x2000
-typedef char IOPM[IOPM_SIZE];
-static IOPM *pIOPM = NULL;
-
-
-
-typedef struct {
- PMDL Mdl;
- PVOID SystemVirtualAddress;
- PVOID UserVirtualAddress;
- ULONG PhysMemSizeInBytes;
-}alloc_priv;
-static alloc_priv* alloclist;
-static unsigned int alloccount=0;
-
-
-
-
-
-
-
-static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp);
-static void dhahelperunload(IN PDRIVER_OBJECT DriverObject);
-static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress);
-static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin);
-
-void Ke386SetIoAccessMap(int, IOPM *);
-void Ke386QueryIoAccessMap(int, IOPM *);
-void Ke386IoSetAccessProcess(PEPROCESS, int);
-
-
-
-
-//entry point
-NTSTATUS DriverEntry (IN PDRIVER_OBJECT DriverObject,IN PUNICODE_STRING RegistryPath){
- UNICODE_STRING DeviceNameUnicodeString;
- UNICODE_STRING DeviceLinkUnicodeString;
- NTSTATUS ntStatus;
- PDEVICE_OBJECT DeviceObject = NULL;
-
- OutputDebugString ("dhahelper: entering DriverEntry");
-
- RtlInitUnicodeString (&DeviceNameUnicodeString, L"\\Device\\DHAHELPER");
-
- // Create an EXCLUSIVE device object (only 1 thread at a time
- // can make requests to this device).
-
- ntStatus = IoCreateDevice(DriverObject,0,&DeviceNameUnicodeString,FILE_DEVICE_DHAHELPER,0,TRUE,&DeviceObject);
-
- if (NT_SUCCESS(ntStatus)){
- // Create dispatch points for device control, create, close.
- DriverObject->MajorFunction[IRP_MJ_CREATE] =
- DriverObject->MajorFunction[IRP_MJ_CLOSE] =
- DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = dhahelperdispatch;
- DriverObject->DriverUnload = dhahelperunload;
-
- // Create a symbolic link, e.g. a name that a Win32 app can specify
- // to open the device.
-
- RtlInitUnicodeString (&DeviceLinkUnicodeString, L"\\DosDevices\\DHAHELPER");
-
- ntStatus = IoCreateSymbolicLink(&DeviceLinkUnicodeString,&DeviceNameUnicodeString);
-
- if (!NT_SUCCESS(ntStatus)){
- // Symbolic link creation failed- note this & then delete the
- // device object (it's useless if a Win32 app can't get at it).
- OutputDebugString ("dhahelper: IoCreateSymbolicLink failed");
- IoDeleteDevice (DeviceObject);
- }
- }
- else{
- OutputDebugString ("dhahelper: IoCreateDevice failed");
- }
- OutputDebugString ("dhahelper: leaving DriverEntry");
- return ntStatus;
-}
-
-
-// Process the IRPs sent to this device
-
-static NTSTATUS dhahelperdispatch(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp){
- PIO_STACK_LOCATION IrpStack;
- ULONG dwInputBufferLength;
- ULONG dwOutputBufferLength;
- ULONG dwIoControlCode;
- PVOID pvIOBuffer;
- NTSTATUS ntStatus;
- dhahelper_t dhahelper_priv;
-
- OutputDebugString ("dhahelper: entering dhahelperdispatch");
-
- // Init to default settings
-
- Irp->IoStatus.Status = STATUS_SUCCESS;
- Irp->IoStatus.Information = 0;
-
- IrpStack = IoGetCurrentIrpStackLocation(Irp);
-
- // Get the pointer to the input/output buffer and it's length
-
- pvIOBuffer = Irp->AssociatedIrp.SystemBuffer;
- dwInputBufferLength = IrpStack->Parameters.DeviceIoControl.InputBufferLength;
- dwOutputBufferLength = IrpStack->Parameters.DeviceIoControl.OutputBufferLength;
-
- switch (IrpStack->MajorFunction){
- case IRP_MJ_CREATE:
- OutputDebugString("dhahelper: IRP_MJ_CREATE");
- break;
- case IRP_MJ_CLOSE:
- OutputDebugString("dhahelper: IRP_MJ_CLOSE");
- break;
- case IRP_MJ_DEVICE_CONTROL:
- OutputDebugString("dhahelper: IRP_MJ_DEVICE_CONTROL");
- dwIoControlCode = IrpStack->Parameters.DeviceIoControl.IoControlCode;
- switch (dwIoControlCode){
- case IOCTL_DHAHELPER_ENABLEDIRECTIO:
- OutputDebugString("dhahelper: IOCTL_DHAHELPER_ENABLEDIRECTIO");
- pIOPM = MmAllocateNonCachedMemory(sizeof(IOPM));
- if (pIOPM){
- RtlZeroMemory(pIOPM, sizeof(IOPM));
- Ke386IoSetAccessProcess(PsGetCurrentProcess(), 1);
- Ke386SetIoAccessMap(1, pIOPM);
- }
- else Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
- break;
- case IOCTL_DHAHELPER_DISABLEDIRECTIO:
- OutputDebugString("dhahelper: IOCTL_DHAHELPER_DISABLEDIRECTIO");
- if (pIOPM){
- Ke386IoSetAccessProcess(PsGetCurrentProcess(), 0);
- Ke386SetIoAccessMap(1, pIOPM);
- MmFreeNonCachedMemory(pIOPM, sizeof(IOPM));
- pIOPM = NULL;
- }
- break;
- case IOCTL_DHAHELPER_MAPPHYSTOLIN:
- OutputDebugString("dhahelper: IOCTL_DHAHELPER_MAPPHYSTOLIN");
- if (dwInputBufferLength){
- memcpy (&dhahelper_priv, pvIOBuffer, dwInputBufferLength);
- ntStatus = MapPhysicalMemoryToLinearSpace(dhahelper_priv.base,dhahelper_priv.size,&dhahelper_priv.ptr);
- if (NT_SUCCESS(ntStatus)){
- memcpy (pvIOBuffer, &dhahelper_priv, dwInputBufferLength);
- Irp->IoStatus.Information = dwInputBufferLength;
- }
- Irp->IoStatus.Status = ntStatus;
- }
- else Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
- break;
- case IOCTL_DHAHELPER_UNMAPPHYSADDR:
- OutputDebugString("dhahelper: IOCTL_DHAHELPER_UNMAPPHYSADDR");
- if (dwInputBufferLength){
- memcpy (&dhahelper_priv, pvIOBuffer, dwInputBufferLength);
- ntStatus = UnmapPhysicalMemory(dhahelper_priv.ptr);
- Irp->IoStatus.Status = ntStatus;
- }
- else
- Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
- break;
- default:
- OutputDebugString("dhahelper: unknown IRP_MJ_DEVICE_CONTROL");
- Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
- break;
- }
- break;
- }
-
- // DON'T get cute and try to use the status field of the irp in the
- // return status. That IRP IS GONE as soon as you call IoCompleteRequest.
-
- ntStatus = Irp->IoStatus.Status;
-
- IoCompleteRequest (Irp, IO_NO_INCREMENT);
-
- // We never have pending operation so always return the status code.
-
- OutputDebugString("dhahelper: leaving dhahelperdispatch");
-
- return ntStatus;
-}
-
-// Delete the associated device and return
-
-static void dhahelperunload(IN PDRIVER_OBJECT DriverObject){
- UNICODE_STRING DeviceLinkUnicodeString;
- NTSTATUS ntStatus=STATUS_SUCCESS;
- OutputDebugString ("dhahelper: entering dhahelperunload");
- OutputDebugString ("dhahelper: unmapping remaining memory");
-
- while(alloccount && (ntStatus==STATUS_SUCCESS))ntStatus = UnmapPhysicalMemory(alloclist[alloccount-1].UserVirtualAddress);
- RtlInitUnicodeString (&DeviceLinkUnicodeString, L"\\DosDevices\\DHAHELPER");
- ntStatus = IoDeleteSymbolicLink (&DeviceLinkUnicodeString);
-
- if (NT_SUCCESS(ntStatus)){
- IoDeleteDevice (DriverObject->DeviceObject);
- }
- else {
- OutputDebugString ("dhahelper: IoDeleteSymbolicLink failed");
- }
- OutputDebugString ("dhahelper: leaving dhahelperunload");
-}
-
-
-
-
-
-
-/************************* memory mapping functions ******************************/
-//unlike the functions of other io helpers these functions allow to map adapter memory on windows xp
-//even if it has alread been mapped by the original driver
-//the technique used is described in
-//http://support.microsoft.com/default.aspx?scid=kb;en-us;q189327
-//furthermore it keeps a list of mapped areas to free them when the driver gets unloaded
-//I'm not sure what the limitations of ZwMapViewOfSection are but mapping 128MB videoram (that is probably already mapped by the gfxcard driver)
-//won't work so it is generally a good idea to map only the memory you really need
-
-static NTSTATUS MapPhysicalMemoryToLinearSpace(PVOID pPhysAddress,ULONG PhysMemSizeInBytes,PVOID *PhysMemLin){
- alloc_priv* alloclisttmp;
- PMDL Mdl=NULL;
- PVOID SystemVirtualAddress=NULL;
- PVOID UserVirtualAddress=NULL;
- PHYSICAL_ADDRESS pStartPhysAddress;
- OutputDebugString ("dhahelper: entering MapPhysicalMemoryToLinearSpace");
-
- pStartPhysAddress.QuadPart = (ULONGLONG)pPhysAddress;
- __try {
- SystemVirtualAddress=MmMapIoSpace(pStartPhysAddress,PhysMemSizeInBytes, /*MmWriteCombined*/MmNonCached);
- if(!SystemVirtualAddress){
- OutputDebugString("dhahelper: MmMapIoSpace failed");
- return STATUS_INVALID_PARAMETER;
- }
- OutputDebugString("dhahelper: SystemVirtualAddress 0x%x",SystemVirtualAddress);
- Mdl=IoAllocateMdl(SystemVirtualAddress, PhysMemSizeInBytes, FALSE, FALSE,NULL);
- if(!Mdl){
- OutputDebugString("dhahelper: IoAllocateMdl failed");
- return STATUS_INSUFFICIENT_RESOURCES;
- }
- OutputDebugString("dhahelper: Mdl 0x%x",Mdl);
- MmBuildMdlForNonPagedPool(Mdl);
- UserVirtualAddress = (PVOID)(((ULONG)PAGE_ALIGN(MmMapLockedPages(Mdl,UserMode))) + MmGetMdlByteOffset(Mdl));
- if(!UserVirtualAddress){
- OutputDebugString("dhahelper: MmMapLockedPages failed");
- return STATUS_INSUFFICIENT_RESOURCES;
- }
- OutputDebugString("dhahelper: UserVirtualAddress 0x%x",UserVirtualAddress);
- }__except(EXCEPTION_EXECUTE_HANDLER){
- NTSTATUS ntStatus;
- ntStatus = GetExceptionCode();
- OutputDebugString("dhahelper: MapPhysicalMemoryToLinearSpace failed due to exception 0x%0x\n", ntStatus);
- return ntStatus;
- }
-
-
- OutputDebugString("dhahelper: adding data to internal allocation list");
- alloclisttmp=MmAllocateNonCachedMemory((alloccount+1)*sizeof(alloc_priv));
-
-
- if(!alloclisttmp){
- OutputDebugString("dhahelper: not enough memory to create temporary allocation list");
- MmUnmapLockedPages(UserVirtualAddress, Mdl);
- IoFreeMdl(Mdl);
- return STATUS_INSUFFICIENT_RESOURCES;
- }
- if(alloccount){
- memcpy(alloclisttmp,alloclist,alloccount * sizeof(alloc_priv));
- MmFreeNonCachedMemory(alloclist,alloccount*sizeof(alloc_priv));
- }
- alloclist=alloclisttmp;
- alloclist[alloccount].Mdl=Mdl;
- alloclist[alloccount].SystemVirtualAddress=SystemVirtualAddress;
- alloclist[alloccount].UserVirtualAddress=UserVirtualAddress;
- alloclist[alloccount].PhysMemSizeInBytes=PhysMemSizeInBytes;
- ++alloccount;
-
- *PhysMemLin=UserVirtualAddress;
-
- OutputDebugString("dhahelper: leaving MapPhysicalMemoryToLinearSpace");
- return STATUS_SUCCESS;
-}
-
-static NTSTATUS UnmapPhysicalMemory(PVOID UserVirtualAddress){
- unsigned int i;
- unsigned int x=0;
- unsigned int alloccounttmp=alloccount;
- OutputDebugString("dhahelper: entering UnmapPhysicalMemory to unmapp 0x%x",UserVirtualAddress);
- if(!alloccount){
- OutputDebugString("dhahelper: UnmapPhysicalMemory: nothing todo -> leaving...");
- return STATUS_SUCCESS;
- }
-
- for(i=0;i<alloccount;i++){
- if(alloclist[i].UserVirtualAddress!=UserVirtualAddress){
- if(x!=i){
- alloclist[x].Mdl=alloclist[i].Mdl;
- alloclist[x].SystemVirtualAddress=alloclist[i].SystemVirtualAddress;
- alloclist[x].UserVirtualAddress=alloclist[i].UserVirtualAddress;
- alloclist[x].PhysMemSizeInBytes=alloclist[i].PhysMemSizeInBytes;
-
- }
- x++;
- }
- else if(alloclist[i].UserVirtualAddress==UserVirtualAddress){
- if(x==i){
- __try {
- MmUnmapLockedPages(alloclist[x].UserVirtualAddress, alloclist[x].Mdl);
- IoFreeMdl(alloclist[x].Mdl);
- MmUnmapIoSpace(alloclist[x].SystemVirtualAddress,alloclist[x].PhysMemSizeInBytes);
- }__except(EXCEPTION_EXECUTE_HANDLER){
- NTSTATUS ntStatus;
- ntStatus = GetExceptionCode();
- OutputDebugString("dhahelper: UnmapPhysicalMemory failed due to exception 0x%0x (Mdl 0x%x)\n", ntStatus,alloclist[x].Mdl);
- return ntStatus;
- }
- }
- alloccounttmp--;
- }
-
- }
-
- if(alloccounttmp){
- alloc_priv* alloclisttmp;
- alloclisttmp=MmAllocateNonCachedMemory(alloccounttmp*sizeof(alloc_priv));
- if(!alloclisttmp){
- OutputDebugString("dhahelper: not enough memory to create temporary allocation list");
- return STATUS_INSUFFICIENT_RESOURCES;
- }
- memcpy(alloclisttmp,alloclist,alloccounttmp * sizeof(alloc_priv));
- MmFreeNonCachedMemory(alloclist,alloccount*sizeof(alloc_priv));
- alloclist=alloclisttmp;
- }
- alloccount=alloccounttmp;
-
- OutputDebugString("dhahelper: leaving UnmapPhysicalMemory");
- return STATUS_SUCCESS;
-}
diff --git a/libdha/dhahelperwin/dhahelper.h b/libdha/dhahelperwin/dhahelper.h
deleted file mode 100644
index a93b6ebc67..0000000000
--- a/libdha/dhahelperwin/dhahelper.h
+++ /dev/null
@@ -1,50 +0,0 @@
-#ifndef _DHAHELPER_H
-#define _DHAHELPER_H 1
-
-// Define the various device type values. Note that values used by Microsoft
-// Corporation are in the range 0-32767, and 32768-65535 are reserved for use
-// by customers.
-
-#define FILE_DEVICE_DHAHELPER 0x00008011
-
-// Macro definition for defining IOCTL and FSCTL function control codes.
-// Note that function codes 0-2047 are reserved for Microsoft Corporation,
-// and 2048-4095 are reserved for customers.
-
-#define DHAHELPER_IOCTL_INDEX 0x810
-
-#define IOCTL_DHAHELPER_MAPPHYSTOLIN CTL_CODE(FILE_DEVICE_DHAHELPER, \
- DHAHELPER_IOCTL_INDEX, \
- METHOD_BUFFERED, \
- FILE_ANY_ACCESS)
-
-#define IOCTL_DHAHELPER_UNMAPPHYSADDR CTL_CODE(FILE_DEVICE_DHAHELPER, \
- DHAHELPER_IOCTL_INDEX + 1, \
- METHOD_BUFFERED, \
- FILE_ANY_ACCESS)
-
-#define IOCTL_DHAHELPER_ENABLEDIRECTIO CTL_CODE(FILE_DEVICE_DHAHELPER, \
- DHAHELPER_IOCTL_INDEX + 2, \
- METHOD_BUFFERED, \
- FILE_ANY_ACCESS)
-
-#define IOCTL_DHAHELPER_DISABLEDIRECTIO CTL_CODE(FILE_DEVICE_DHAHELPER, \
- DHAHELPER_IOCTL_INDEX + 3, \
- METHOD_BUFFERED, \
- FILE_ANY_ACCESS)
-
-
-#if !defined(__MINGW32__) && !defined(__CYGWIN__)
-#pragma pack(1)
-typedef struct dhahelper_t {
-#else
-struct __attribute__((__packed__)) dhahelper_t {
-#endif
- unsigned int size;
- void* base;
- void* ptr;
-};
-
-typedef struct dhahelper_t dhahelper_t;
-
-#endif
diff --git a/libdha/dhahelperwin/dhasetup.c b/libdha/dhahelperwin/dhasetup.c
deleted file mode 100644
index 7113499961..0000000000
--- a/libdha/dhahelperwin/dhasetup.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* dhahelper setup program (c) 2004 Sascha Sommer */
-/* compile with gcc -o dhasetup.exe dhasetup.c */
-/* LICENSE: GPL */
-
-#include <windows.h>
-#include <stdio.h>
-
-int main(int argc,char* argv[]){
- SC_HANDLE hSCManager;
- SC_HANDLE hService;
- char path[MAX_PATH];
- printf("dhasetup (c) 2004 Sascha Sommer\n");
- GetWindowsDirectory(path,MAX_PATH);
- strcpy(path+strlen(path),"\\system32\\drivers\\dhahelper.sys");
- if(argc==1){
- printf("Usage:\n");
- printf("dhasetup install - Copies dhahelper.sys from the current directory to\n%s and configures it to start at boot.\n", path);
- printf("dhasetup remove - Removes the dhahelper utility.\n");
- return 0;
- }
- hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
- if(!strcmp(argv[1],"install")){
- printf("Installing dhahelper...\n");
- if(!CopyFile("dhahelper.sys",path,FALSE)){
- printf("Copying dhahelper.sys failed.\nEither dhahelper.sys is not in the current directory or you lack sufficient\nprivileges to write to %s.", path);
- return 1;
- }
- // Install the driver
- hService = CreateService(hSCManager,
- "DHAHELPER",
- "DHAHELPER",
- SERVICE_ALL_ACCESS,
- SERVICE_KERNEL_DRIVER,
- SERVICE_SYSTEM_START,
- SERVICE_ERROR_NORMAL,
- path,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL);
- if(!hService){
- printf("Unable to register DHAHELPER Service (0x%x).\n",GetLastError());
- }
- }
- else if(!strcmp(argv[1],"remove")){
- SERVICE_STATUS ServiceStatus;
- printf("Removing dhahelper...\n");
- hService = OpenService(hSCManager, "DHAHELPER", SERVICE_ALL_ACCESS);
- ControlService(hService, SERVICE_CONTROL_STOP, &ServiceStatus);
- DeleteService(hService);
- DeleteFile(path);
- }
- else {
- printf("unknown parameter: %s\n",argv[1]);
- }
- CloseServiceHandle(hService);
- CloseServiceHandle(hSCManager);
- printf("Please reboot to let the changes take effect.\n");
- return 0;
-}