mirror of
https://github.com/reactos/reactos.git
synced 2024-10-01 23:14:53 +00:00
Added a skeleton VGA miniport driver
svn path=/trunk/; revision=516
This commit is contained in:
Rex Jolliff
parent
b887962d1d
commit
36a7c3cf0d
30
reactos/drivers/dd/vga/makefile
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30
reactos/drivers/dd/vga/makefile
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#
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#
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#
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OBJECTS = vga.o ../../../ntoskrnl/ntoskrnl.a ../vidport/vidport.a
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all: vga.sys
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.phony: all
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clean:
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- $(RM) vga.o
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- $(RM) junk.tmp
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- $(RM) base.tmp
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- $(RM) temp.exp
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- $(RM) vga.sys
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.phony: clean
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vga.sys: $(OBJECTS)
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$(CC) -specs=../../svc_specs -mdll -o junk.tmp -Wl,--defsym,_end=end \
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-Wl,--defsym,_edata=__data_end__ -Wl,--defsym,_etext=etext \
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-Wl,--base-file,base.tmp $(OBJECTS)
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- $(RM) junk.tmp
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$(DLLTOOL) --dllname vga.sys --base-file base.tmp \
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--output-exp temp.exp
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- $(RM) base.tmp
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$(CC) --verbose -Wl,--image-base,0x10000 -Wl,-e,_DriverEntry@8 \
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-specs=../../svc_specs -mdll -o vga.sys $(OBJECTS) -Wl,temp.exp
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- $(RM) temp.exp
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389
reactos/drivers/dd/vga/vga.c
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389
reactos/drivers/dd/vga/vga.c
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@ -0,0 +1,389 @@
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/*
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* VGA.C - a generic VGA miniport driver
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*
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*/
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#include <ddk/ntddk.h>
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#include <ddk/ntddvid.h>
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#define UNIMPLEMENTED do {DbgPrint("%s:%d: Function not implemented", __FILE__, __LINE__); for(;;);} while (0)
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#define VERSION "0.0.0"
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// ---------------------------------------------------- Forward Declarations
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static VP_STATUS VGAFindAdapter(PVOID DeviceExtension,
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PVOID Context,
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PWSTR ArgumentString,
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PVIDEO_PORT_CONFIG_INFO ConfigInfo,
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PUCHAR Again);
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static BOOLEAN VGAInitialize(PVOID DeviceExtension);
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static BOOLEAN VGAStartIO(PVOID DeviceExtension,
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PVIDEO_REQUEST_PACKET RequestPacket);
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/*
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static BOOLEAN VGAInterrupt(PVOID DeviceExtension);
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static BOOLEAN VGAResetHw(PVOID DeviceExtension,
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ULONG Columns,
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ULONG Rows);
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static VOID VGATimer(PVOID DeviceExtension);
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*/
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/* Mandatory IoControl routines */
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VOID VGAMapVideoMemory(IN PVIDEO_MEMORY RequestedAddress,
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OUT PVIDEO_MEMORY_INFORMATION MapInformation,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryCurrentMode(OUT PVIDEO_MODE_INFORMATION CurrentMode,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryNumAvailModes(OUT PVIDEO_NUM_MODES NumberOfModes,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAResetDevice(OUT PSTATUS_BLOCK StatusBlock);
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VOID VGASetColorRegisters(IN PVIDEO_CLUT ColorLookUpTable,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGASetCurrentMode(IN PVIDEO_MODE RequestedMode,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory,
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OUT PVIDEO_MEMORY_INFORMATION ReturnedMemory,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAUnmapVideoMemory(IN PVIDEO_MEMORY MemoryToUnmap,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare,
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OUT PSTATUS_BLOCK StatusBlock);
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// ------------------------------------------------------- Public Interface
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// DriverEntry
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//
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// DESCRIPTION:
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// This function initializes the driver.
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// IN PVOID Context1 Context parameter to pass to VidPortInitialize
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// IN PVOID Context2 Context parameter to pass to VidPortInitialize
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// RETURNS:
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// VP_STATUS
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STDCALL VP_STATUS
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DriverEntry(IN PVOID Context1,
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IN PVOID Context2)
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{
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VIDEO_HW_INITIALIZATION_DATA InitData;
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DbgPrint("VGA miniport Driver %s\n", VERSION);
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VideoPortZeroMemory(&InitData, sizeof InitData);
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/* FIXME: Fill in InitData members */
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InitData->StartingDeviceNumber = 0;
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/* Export driver entry points... */
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InitData->HwVidFindAdapter = VGAFindAdapter;
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InitData->HwVidInitialize = VGAInitialize;
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InitData->HwVidStartIO = VGAStartIO;
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/* InitData->HwVidInterrupt = VGAInterrupt; */
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/* InitData->HwVidResetHw = VGAResetHw; */
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/* InitData->HwVidTimer = VGATimer; */
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return VideoPortInitialize(Context1, Context2, InitData, NULL);
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}
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// VGAFindAdapter
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//
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// DESCRIPTION:
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// This routine is called by the videoport driver to find and allocate
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// the adapter for a given bus. The miniport driver needs to do the
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// following in this routine:
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// - Determine if the adapter is present
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// - Claim any necessary memory/IO resources for the adapter
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// - Map resources into system memory for the adapter
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// - fill in relevant information in the VIDEO_PORT_CONFIG_INFO buffer
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// - update registry settings for adapter specifics.
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// - Set 'Again' based on whether the function should be called again
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// another adapter on the same bus.
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// PVOID DeviceExtension
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// PVOID Context
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// PWSTR ArgumentString
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// PVIDEO_PORT_CONFIG_INFO ConfigInfo
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// PUCHAR Again
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// RETURNS:
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// VP_STATUS
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static VP_STATUS
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VGAFindAdapter(PVOID DeviceExtension,
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PVOID Context,
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PWSTR ArgumentString,
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PVIDEO_PORT_CONFIG_INFO ConfigInfo,
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PUCHAR Again)
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{
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/* FIXME: Determine if the adapter is present */
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*Again = FALSE;
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return ERROR_DEV_NOT_EXIST;
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/* FIXME: Claim any necessary memory/IO resources for the adapter */
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/* FIXME: Map resources into system memory for the adapter */
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/* FIXME: Fill in relevant information in the VIDEO_PORT_CONFIG_INFO buffer */
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/* FIXME: Update registry settings for adapter specifics. */
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// return NO_ERROR;
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}
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// VGAInitialize
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//
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// DESCRIPTION:
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// Perform initialization tasks, but leave the adapter in the same
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// user visible state
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// PVOID DeviceExtension
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// RETURNS:
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// BOOLEAN Success or failure
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static BOOLEAN
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VGAInitialize(PVOID DeviceExtension)
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{
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return FALSE;
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}
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// VGAStartIO
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//
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// DESCRIPTION:
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// This function gets called in responce to GDI EngDeviceIoControl
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// calls. Device requests are passed in VRPs.
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// Required VRPs:
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// IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES
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// IOCTL_VIDEO_QUERY_AVAIL_MODES
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// IOCTL_VIDEO_QUERY_CURRENT_MODE
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// IOCTL_VIDEO_SET_CURRENT_MODE
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// IOCTL_VIDEO_RESET_DEVICE
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// IOCTL_VIDEO_MAP_VIDEO_MEMORY
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// IOCTL_VIDEO_UNMAP_VIDEO_MEMORY
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// IOCTL_VIDEO_SHARE_VIDEO_MEMORY
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// IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY
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// Optional VRPs:
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// IOCTL_VIDEO_GET_PUBLIC_ACCESS_RANGES
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// IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES
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// IOCTL_VIDEO_GET_POWER_MANAGEMENT
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// IOCTL_VIDEO_SET_POWER_MANAGEMENT
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// IOCTL_QUERY_COLOR_CAPABILITIES
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// IOCTL_VIDEO_SET_COLOR_REGISTERS (required if the device has a palette)
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// IOCTL_VIDEO_DISABLE_POINTER
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// IOCTL_VIDEO_ENABLE_POINTER
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// IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES
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// IOCTL_VIDEO_QUERY_POINTER_ATTR
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// IOCTL_VIDEO_SET_POINTER_ATTR
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// IOCTL_VIDEO_QUERY_POINTER_POSITION
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// IOCTL_VIDEO_SET_POINTER_POSITION
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// IOCTL_VIDEO_SAVE_HARDWARE_STATE
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// IOCTL_VIDEO_RESTORE_HARDWARE_STATE
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// IOCTL_VIDEO_DISABLE_CURSOR
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// IOCTL_VIDEO_ENABLE_CURSOR
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// IOCTL_VIDEO_QUERY_CURSOR_ATTR
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// IOCTL_VIDEO_SET_CURSOR_ATTR
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// IOCTL_VIDEO_QUERY_CURSOR_POSITION
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// IOCTL_VIDEO_SET_CURSOR_POSITION
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// IOCTL_VIDEO_GET_BANK_SELECT_CODE
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// IOCTL_VIDEO_SET_PALETTE_REGISTERS
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// IOCTL_VIDEO_LOAD_AND_SET_FONT
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// PVOID DeviceExtension
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// PVIDEO_REQUEST_PACKET RequestPacket
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// RETURNS:
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// BOOLEAN This function must return TRUE, and complete the work or
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// set an error status in the VRP.
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static BOOLEAN
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VGAStartIO(PVOID DeviceExtension,
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PVIDEO_REQUEST_PACKET RequestPacket)
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{
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switch (RequestPacket->IoControlCode)
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{
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case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
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VGAMapVideoMemory((PVIDEO_MEMORY) RequestPacket->InputBuffer,
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(PVIDEO_MEMORY_INFORMATION)
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RequestPacket->OutputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_QUERY_AVAIL_MODES:
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VGAQueryAvailModes((PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_QUERY_CURRENT_MODE:
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VGAQueryCurrentMode((PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES:
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VGAQueryNumAvailModes((PVIDEO_NUM_MODES) RequestPacket->OutputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_RESET_DEVICE:
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VGAResetDevice(&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_SET_COLOR_REGISTERS:
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VGASetColorRegisters((PVIDEO_CLUT) RequestPacket->InputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_SET_CURRENT_MODE:
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VGASetCurrentMode((PVIDEO_MODE) RequestPacket->InputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_SHARE_VIDEO_MEMORY:
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VGAShareVideoMemory((PVIDEO_SHAR_MEMORY) RequestPacket->InputBuffer,
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(PVIDEO_MEMORY_INFORMATION) RequestPacket->OutputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
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VGAUnmapVideoMemory((PVIDEO_MEMORY) RequestPacket->InputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY:
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VGAUnshareVideoMemory((PVIDEO_MEMORY) RequestPacket->InputBuffer,
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&RequestPacket->StatusBlock);
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break;
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#if 0
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case IOCTL_VIDEO_DISABLE_CURSOR:
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case IOCTL_VIDEO_DISABLE_POINTER:
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case IOCTL_VIDEO_ENABLE_CURSOR:
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case IOCTL_VIDEO_ENABLE_POINTER:
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case IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES:
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VGAFreePublicAccessRanges((PVIDEO_PUBLIC_ACCESS_RANGES)
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RequestPacket->InputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_GET_BANK_SELECT_CODE:
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case IOCTL_VIDEO_GET_POWER_MANAGEMENT:
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case IOCTL_VIDEO_LOAD_AND_SET_FONT:
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case IOCTL_VIDEO_QUERY_CURSOR_POSITION:
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case IOCTL_VIDEO_QUERY_COLOR_CAPABILITIES:
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case IOCTL_VIDEO_QUERY_CURSOR_ATTR:
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case IOCTL_VIDEO_QUERY_POINTER_ATTR:
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case IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES:
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case IOCTL_VIDEO_QUERY_POINTER_POSITION:
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case IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES:
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VGAQueryPublicAccessRanges((PVIDEO_PUBLIC_ACCESS_RANGES)
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RequestPacket->OutputBuffer,
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&RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_RESTORE_HARDWARE_STATE:
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case IOCTL_VIDEO_SAVE_HARDWARE_STATE:
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case IOCTL_VIDEO_SET_CURSOR_ATTR:
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case IOCTL_VIDEO_SET_CURSOR_POSITION:
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case IOCTL_VIDEO_SET_PALETTE_REGISTERS:
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case IOCTL_VIDEO_SET_POINTER_ATTR:
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case IOCTL_VIDEO_SET_POINTER_POSITION:
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case IOCTL_VIDEO_SET_POWER_MANAGEMENT:
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#endif
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default:
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RequestPacket->StatusBlock.Status = ERROR_INVALID_FUNCTION;
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break;
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}
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return TRUE;
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}
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#if 0
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// VGAInterrupt
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//
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// DESCRIPTION:
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// This function will be called upon receipt of a adapter generated
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// interrupt when enabled.
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//
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// RUN LEVEL:
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// IRQL
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//
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// ARGUMENTS:
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// PVOID DeviceExtension
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// RETURNS:
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// BOOLEAN TRUE if the interrupt was handled by the routine
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static BOOLEAN VGAInterrupt(PVOID DeviceExtension);
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// VGAResetHw
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//
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// DESCRIPTION:
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// This function is called to reset the hardware to a known state
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// if calling a BIOS int 10 reset will not achieve this result.
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// PVOID DeviceExtension
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// ULONG Columns Columns and Rows specify the mode parameters
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// ULONG Rows to reset to.
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// RETURNS:
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// BOOLEAN TRUE if no further action is necessary, FALSE if the system
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// needs to still do a BOIS int 10 reset.
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static BOOLEAN VGAResetHw(PVOID DeviceExtension,
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ULONG Columns,
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ULONG Rows);
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// VGATimer
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//
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// DESCRIPTION:
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// This function will be called once a second when enabled
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// PVOID DeviceExtension
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// RETURNS:
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// VOID
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static VOID VGATimer(PVOID DeviceExtension);
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#endif
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VOID VGAMapVideoMemory(IN PVIDEO_MEMORY RequestedAddress,
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OUT PVIDEO_MEMORY_INFORMATION MapInformation,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryCurrentMode(OUT PVIDEO_MODE_INFORMATION CurrentMode,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryNumAvailModes(OUT PVIDEO_NUM_MODES NumberOfModes,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAResetDevice(OUT PSTATUS_BLOCK StatusBlock);
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VOID VGASetColorRegisters(IN PVIDEO_CLUT ColorLookUpTable,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGASetCurrentMode(IN PVIDEO_MODE RequestedMode,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory,
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OUT PVIDEO_MEMORY_INFORMATION ReturnedMemory,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAUnmapVideoMemory(IN PVIDEO_MEMORY MemoryToUnmap,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare,
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OUT PSTATUS_BLOCK StatusBlock);
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