mirror of
https://github.com/reactos/reactos.git
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594 lines
17 KiB
C
594 lines
17 KiB
C
/*
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* PROJECT: ReactOS Xbox miniport video driver
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Simple framebuffer driver for NVIDIA NV2A XGPU
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* COPYRIGHT: Copyright 2004 Gé van Geldorp
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* Copyright 2004 Filip Navara
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* Copyright 2019-2020 Stanislav Motylkov (x86corez@gmail.com)
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*
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* TODO:
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* - Check input parameters everywhere.
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* - Call VideoPortVerifyAccessRanges to reserve the memory we're about
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* to map.
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*/
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/* INCLUDES *******************************************************************/
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#include "xboxvmp.h"
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#include <debug.h>
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#include <dpfilter.h>
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#include <drivers/xbox/xgpu.h>
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/* PUBLIC AND PRIVATE FUNCTIONS ***********************************************/
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ULONG
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NTAPI
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DriverEntry(
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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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VideoPortZeroMemory(&InitData, sizeof(InitData));
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InitData.AdapterInterfaceType = PCIBus;
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InitData.HwInitDataSize = sizeof(VIDEO_HW_INITIALIZATION_DATA);
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InitData.HwFindAdapter = XboxVmpFindAdapter;
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InitData.HwInitialize = XboxVmpInitialize;
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InitData.HwStartIO = XboxVmpStartIO;
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InitData.HwResetHw = XboxVmpResetHw;
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InitData.HwGetPowerState = XboxVmpGetPowerState;
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InitData.HwSetPowerState = XboxVmpSetPowerState;
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InitData.HwDeviceExtensionSize = sizeof(XBOXVMP_DEVICE_EXTENSION);
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return VideoPortInitialize(Context1, Context2, &InitData, NULL);
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}
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/*
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* XboxVmpFindAdapter
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*
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* Detects the Xbox Nvidia display adapter.
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*/
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VP_STATUS
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NTAPI
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XboxVmpFindAdapter(
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IN PVOID HwDeviceExtension,
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IN PVOID HwContext,
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IN PWSTR ArgumentString,
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IN OUT PVIDEO_PORT_CONFIG_INFO ConfigInfo,
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OUT PUCHAR Again)
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{
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PXBOXVMP_DEVICE_EXTENSION XboxVmpDeviceExtension;
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VIDEO_ACCESS_RANGE AccessRanges[3];
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VP_STATUS Status;
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USHORT VendorId = 0x10DE; /* NVIDIA Corporation */
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USHORT DeviceId = 0x02A0; /* NV2A XGPU */
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TRACE_(IHVVIDEO, "XboxVmpFindAdapter\n");
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XboxVmpDeviceExtension = (PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension;
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Status = VideoPortGetAccessRanges(HwDeviceExtension, 0, NULL, 3, AccessRanges,
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&VendorId, &DeviceId, NULL);
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if (Status == NO_ERROR)
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{
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XboxVmpDeviceExtension->PhysControlStart = AccessRanges[0].RangeStart;
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XboxVmpDeviceExtension->ControlLength = AccessRanges[0].RangeLength;
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XboxVmpDeviceExtension->PhysFrameBufferStart = AccessRanges[1].RangeStart;
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}
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return Status;
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}
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/*
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* XboxVmpInitialize
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*
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* Performs the first initialization of the adapter, after the HAL has given
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* up control of the video hardware to the video port driver.
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*/
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BOOLEAN
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NTAPI
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XboxVmpInitialize(
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PVOID HwDeviceExtension)
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{
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PXBOXVMP_DEVICE_EXTENSION XboxVmpDeviceExtension;
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ULONG inIoSpace = VIDEO_MEMORY_SPACE_MEMORY;
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ULONG Length;
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TRACE_(IHVVIDEO, "XboxVmpInitialize\n");
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XboxVmpDeviceExtension = (PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension;
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Length = XboxVmpDeviceExtension->ControlLength;
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XboxVmpDeviceExtension->VirtControlStart = NULL;
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if (VideoPortMapMemory(HwDeviceExtension,
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XboxVmpDeviceExtension->PhysControlStart,
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&Length,
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&inIoSpace,
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&XboxVmpDeviceExtension->VirtControlStart) != NO_ERROR)
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{
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ERR_(IHVVIDEO, "Failed to map control memory\n");
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return FALSE;
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}
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INFO_(IHVVIDEO, "Mapped 0x%x bytes of control mem at 0x%x to virt addr 0x%x\n",
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XboxVmpDeviceExtension->ControlLength,
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XboxVmpDeviceExtension->PhysControlStart.u.LowPart,
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XboxVmpDeviceExtension->VirtControlStart);
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return TRUE;
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}
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/*
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* XboxVmpStartIO
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*
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* Processes the specified Video Request Packet.
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*/
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BOOLEAN
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NTAPI
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XboxVmpStartIO(
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PVOID HwDeviceExtension,
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PVIDEO_REQUEST_PACKET RequestPacket)
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{
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BOOLEAN Result;
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RequestPacket->StatusBlock->Status = ERROR_INVALID_PARAMETER;
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switch (RequestPacket->IoControlCode)
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{
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case IOCTL_VIDEO_SET_CURRENT_MODE:
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{
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TRACE_(IHVVIDEO, "XboxVmpStartIO IOCTL_VIDEO_SET_CURRENT_MODE\n");
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if (RequestPacket->InputBufferLength < sizeof(VIDEO_MODE))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = XboxVmpSetCurrentMode(
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(PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension,
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(PVIDEO_MODE)RequestPacket->InputBuffer,
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RequestPacket->StatusBlock);
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break;
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}
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case IOCTL_VIDEO_RESET_DEVICE:
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{
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TRACE_(IHVVIDEO, "XboxVmpStartIO IOCTL_VIDEO_RESET_DEVICE\n");
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Result = XboxVmpResetDevice(
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(PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension,
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RequestPacket->StatusBlock);
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break;
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}
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case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
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{
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TRACE_(IHVVIDEO, "XboxVmpStartIO IOCTL_VIDEO_MAP_VIDEO_MEMORY\n");
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MEMORY_INFORMATION) ||
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RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = XboxVmpMapVideoMemory(
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(PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension,
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(PVIDEO_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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}
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case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
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{
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TRACE_(IHVVIDEO, "XboxVmpStartIO IOCTL_VIDEO_UNMAP_VIDEO_MEMORY\n");
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if (RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = XboxVmpUnmapVideoMemory(
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(PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension,
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(PVIDEO_MEMORY)RequestPacket->InputBuffer,
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RequestPacket->StatusBlock);
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break;
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}
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case IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES:
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{
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TRACE_(IHVVIDEO, "XboxVmpStartIO IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES\n");
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_NUM_MODES))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = XboxVmpQueryNumAvailModes(
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(PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension,
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(PVIDEO_NUM_MODES)RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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}
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case IOCTL_VIDEO_QUERY_AVAIL_MODES:
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{
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TRACE_(IHVVIDEO, "XboxVmpStartIO IOCTL_VIDEO_QUERY_AVAIL_MODES\n");
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MODE_INFORMATION))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = XboxVmpQueryAvailModes(
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(PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension,
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(PVIDEO_MODE_INFORMATION)RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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}
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case IOCTL_VIDEO_QUERY_CURRENT_MODE:
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{
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TRACE_(IHVVIDEO, "XboxVmpStartIO IOCTL_VIDEO_QUERY_CURRENT_MODE\n");
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MODE_INFORMATION))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = XboxVmpQueryCurrentMode(
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(PXBOXVMP_DEVICE_EXTENSION)HwDeviceExtension,
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(PVIDEO_MODE_INFORMATION)RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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}
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default:
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{
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WARN_(IHVVIDEO, "XboxVmpStartIO 0x%x not implemented\n", RequestPacket->IoControlCode);
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RequestPacket->StatusBlock->Status = ERROR_INVALID_FUNCTION;
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return FALSE;
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}
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}
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if (Result)
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{
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RequestPacket->StatusBlock->Status = NO_ERROR;
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}
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return TRUE;
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}
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/*
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* XboxVmpResetHw
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*
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* This function is called to reset the hardware to a known state.
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*/
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BOOLEAN
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NTAPI
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XboxVmpResetHw(
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PVOID DeviceExtension,
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ULONG Columns,
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ULONG Rows)
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{
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TRACE_(IHVVIDEO, "XboxVmpResetHw\n");
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if (!XboxVmpResetDevice((PXBOXVMP_DEVICE_EXTENSION)DeviceExtension, NULL))
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{
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return FALSE;
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}
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return TRUE;
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}
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/*
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* XboxVmpGetPowerState
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*
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* Queries whether the device can support the requested power state.
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*/
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VP_STATUS
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NTAPI
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XboxVmpGetPowerState(
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PVOID HwDeviceExtension,
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ULONG HwId,
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PVIDEO_POWER_MANAGEMENT VideoPowerControl)
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{
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ERR_(IHVVIDEO, "XboxVmpGetPowerState is not supported\n");
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return ERROR_INVALID_FUNCTION;
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}
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/*
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* XboxVmpSetPowerState
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*
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* Sets the power state of the specified device
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*/
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VP_STATUS
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NTAPI
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XboxVmpSetPowerState(
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PVOID HwDeviceExtension,
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ULONG HwId,
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PVIDEO_POWER_MANAGEMENT VideoPowerControl)
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{
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ERR_(IHVVIDEO, "XboxVmpSetPowerState not supported\n");
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return ERROR_INVALID_FUNCTION;
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}
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/*
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* VBESetCurrentMode
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*
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* Sets the adapter to the specified operating mode.
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*/
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BOOLEAN
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FASTCALL
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XboxVmpSetCurrentMode(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MODE RequestedMode,
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PSTATUS_BLOCK StatusBlock)
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{
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if (RequestedMode->RequestedMode != 0)
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{
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return FALSE;
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}
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/* Nothing to do, really. We only support a single mode and we're already
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* in that mode
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*/
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return TRUE;
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}
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/*
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* XboxVmpResetDevice
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*
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* Resets the video hardware to the default mode, to which it was initialized
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* at system boot.
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*/
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BOOLEAN
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FASTCALL
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XboxVmpResetDevice(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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PSTATUS_BLOCK StatusBlock)
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{
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/* There is nothing to be done here */
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return TRUE;
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}
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/*
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* XboxVmpMapVideoMemory
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*
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* Maps the video hardware frame buffer and video RAM into the virtual address
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* space of the requestor.
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*/
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BOOLEAN
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FASTCALL
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XboxVmpMapVideoMemory(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MEMORY RequestedAddress,
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PVIDEO_MEMORY_INFORMATION MapInformation,
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PSTATUS_BLOCK StatusBlock)
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{
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PHYSICAL_ADDRESS FrameBuffer;
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ULONG inIoSpace = VIDEO_MEMORY_SPACE_MEMORY;
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StatusBlock->Information = sizeof(VIDEO_MEMORY_INFORMATION);
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/* Reuse framebuffer that was set up by firmware */
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FrameBuffer.QuadPart = READ_REGISTER_ULONG((ULONG_PTR)DeviceExtension->VirtControlStart + NV2A_CRTC_FRAMEBUFFER_START);
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/* Framebuffer address offset value is coming from the GPU within
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* memory mapped I/O address space, so we're comparing only low
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* 28 bits of the address within actual RAM address space */
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FrameBuffer.QuadPart &= 0x0FFFFFFF;
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if (FrameBuffer.QuadPart != 0x3C00000 && FrameBuffer.QuadPart != 0x7C00000)
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{
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/* Check framebuffer address (high 4 MB of either 64 or 128 MB RAM) */
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WARN_(IHVVIDEO, "Non-standard framebuffer address 0x%p\n", FrameBuffer.QuadPart);
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}
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/* Verify that framebuffer address is page-aligned */
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ASSERT(FrameBuffer.QuadPart % PAGE_SIZE == 0);
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/* Return the address back to GPU memory mapped I/O */
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FrameBuffer.QuadPart += DeviceExtension->PhysFrameBufferStart.QuadPart;
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MapInformation->VideoRamBase = RequestedAddress->RequestedVirtualAddress;
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/* FIXME: obtain fb size from firmware somehow (Cromwell reserves high 4 MB of RAM) */
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MapInformation->VideoRamLength = NV2A_VIDEO_MEMORY_SIZE;
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VideoPortMapMemory(
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DeviceExtension,
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FrameBuffer,
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&MapInformation->VideoRamLength,
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&inIoSpace,
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&MapInformation->VideoRamBase);
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MapInformation->FrameBufferBase = MapInformation->VideoRamBase;
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MapInformation->FrameBufferLength = MapInformation->VideoRamLength;
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/* Tell the nVidia controller about the framebuffer */
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WRITE_REGISTER_ULONG((ULONG_PTR)DeviceExtension->VirtControlStart + NV2A_CRTC_FRAMEBUFFER_START, FrameBuffer.u.LowPart);
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INFO_(IHVVIDEO, "Mapped 0x%x bytes of phys mem at 0x%lx to virt addr 0x%p\n",
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MapInformation->VideoRamLength, FrameBuffer.u.LowPart, MapInformation->VideoRamBase);
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return TRUE;
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}
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/*
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* VBEUnmapVideoMemory
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*
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* Releases a mapping between the virtual address space and the adapter's
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* frame buffer and video RAM.
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*/
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BOOLEAN
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FASTCALL
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XboxVmpUnmapVideoMemory(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MEMORY VideoMemory,
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PSTATUS_BLOCK StatusBlock)
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{
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VideoPortUnmapMemory(
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DeviceExtension,
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VideoMemory->RequestedVirtualAddress,
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NULL);
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return TRUE;
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}
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/*
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* XboxVmpQueryNumAvailModes
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*
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* Returns the number of video modes supported by the adapter and the size
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* in bytes of the video mode information, which can be used to allocate a
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* buffer for an IOCTL_VIDEO_QUERY_AVAIL_MODES request.
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*/
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BOOLEAN
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FASTCALL
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XboxVmpQueryNumAvailModes(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_NUM_MODES Modes,
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PSTATUS_BLOCK StatusBlock)
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{
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Modes->NumModes = 1;
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Modes->ModeInformationLength = sizeof(VIDEO_MODE_INFORMATION);
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StatusBlock->Information = sizeof(VIDEO_NUM_MODES);
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return TRUE;
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}
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/*
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* XboxVmpQueryAvailModes
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*
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* Returns information about each video mode supported by the adapter.
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*/
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BOOLEAN
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FASTCALL
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XboxVmpQueryAvailModes(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MODE_INFORMATION VideoMode,
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PSTATUS_BLOCK StatusBlock)
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{
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return XboxVmpQueryCurrentMode(DeviceExtension, VideoMode, StatusBlock);
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}
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UCHAR
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NvGetCrtc(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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UCHAR Index)
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{
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WRITE_REGISTER_UCHAR((ULONG_PTR)DeviceExtension->VirtControlStart + NV2A_CRTC_REGISTER_INDEX, Index);
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return READ_REGISTER_UCHAR((ULONG_PTR)DeviceExtension->VirtControlStart + NV2A_CRTC_REGISTER_VALUE);
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}
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UCHAR
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NvGetBytesPerPixel(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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ULONG ScreenWidth)
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{
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UCHAR BytesPerPixel;
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/* Get BPP directly from NV2A CRTC (magic constants are from Cromwell) */
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BytesPerPixel = 8 * (((NvGetCrtc(DeviceExtension, 0x19) & 0xE0) << 3) | (NvGetCrtc(DeviceExtension, 0x13) & 0xFF)) / ScreenWidth;
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if (BytesPerPixel == 4)
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{
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ASSERT((NvGetCrtc(DeviceExtension, 0x28) & 0xF) == BytesPerPixel - 1);
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}
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else
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{
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ASSERT((NvGetCrtc(DeviceExtension, 0x28) & 0xF) == BytesPerPixel);
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}
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return BytesPerPixel;
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}
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/*
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* VBEQueryCurrentMode
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*
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* Returns information about current video mode.
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*/
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BOOLEAN
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FASTCALL
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XboxVmpQueryCurrentMode(
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PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
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PVIDEO_MODE_INFORMATION VideoMode,
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PSTATUS_BLOCK StatusBlock)
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{
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UCHAR BytesPerPixel;
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VideoMode->Length = sizeof(VIDEO_MODE_INFORMATION);
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VideoMode->ModeIndex = 0;
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VideoMode->VisScreenWidth = READ_REGISTER_ULONG((ULONG_PTR)DeviceExtension->VirtControlStart + NV2A_RAMDAC_FP_HVALID_END) + 1;
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VideoMode->VisScreenHeight = READ_REGISTER_ULONG((ULONG_PTR)DeviceExtension->VirtControlStart + NV2A_RAMDAC_FP_VVALID_END) + 1;
|
|
|
|
if (VideoMode->VisScreenWidth <= 1 || VideoMode->VisScreenHeight <= 1)
|
|
{
|
|
ERR_(IHVVIDEO, "Cannot obtain current screen resolution!\n");
|
|
return FALSE;
|
|
}
|
|
|
|
BytesPerPixel = NvGetBytesPerPixel(DeviceExtension, VideoMode->VisScreenWidth);
|
|
ASSERT(BytesPerPixel >= 1 && BytesPerPixel <= 4);
|
|
|
|
VideoMode->ScreenStride = VideoMode->VisScreenWidth * BytesPerPixel;
|
|
VideoMode->NumberOfPlanes = 1;
|
|
VideoMode->BitsPerPlane = BytesPerPixel * 8;
|
|
VideoMode->Frequency = 1;
|
|
VideoMode->XMillimeter = 0; /* FIXME */
|
|
VideoMode->YMillimeter = 0; /* FIXME */
|
|
if (BytesPerPixel >= 3)
|
|
{
|
|
VideoMode->NumberRedBits = 8;
|
|
VideoMode->NumberGreenBits = 8;
|
|
VideoMode->NumberBlueBits = 8;
|
|
VideoMode->RedMask = 0xFF0000;
|
|
VideoMode->GreenMask = 0x00FF00;
|
|
VideoMode->BlueMask = 0x0000FF;
|
|
}
|
|
else
|
|
{
|
|
/* FIXME: not implemented */
|
|
WARN_(IHVVIDEO, "BytesPerPixel %d - not implemented\n", BytesPerPixel);
|
|
}
|
|
VideoMode->VideoMemoryBitmapWidth = VideoMode->VisScreenWidth;
|
|
VideoMode->VideoMemoryBitmapHeight = VideoMode->VisScreenHeight;
|
|
VideoMode->AttributeFlags = VIDEO_MODE_GRAPHICS | VIDEO_MODE_COLOR |
|
|
VIDEO_MODE_NO_OFF_SCREEN;
|
|
VideoMode->DriverSpecificAttributeFlags = 0;
|
|
|
|
StatusBlock->Information = sizeof(VIDEO_MODE_INFORMATION);
|
|
|
|
/* Verify that screen fits framebuffer size */
|
|
if (VideoMode->VisScreenWidth * VideoMode->VisScreenHeight * (VideoMode->BitsPerPlane / 8) > NV2A_VIDEO_MEMORY_SIZE)
|
|
{
|
|
ERR_(IHVVIDEO, "Current screen resolution exceeds video memory bounds!\n");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* EOF */
|