Leaked source code of windows server 2003
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//***************************************************************************
//
// Module Name:
//
// permedia.h
//
// Abstract:
//
// This module contains the definitions for the Permedia2 miniport driver
//
// Environment:
//
// Kernel mode
//
// Copyright (c) 1994-1998 3Dlabs Inc. Ltd. All rights reserved.
// Copyright (c) 1995-1999 Microsoft Corporation. All Rights Reserved.
//
//***************************************************************************
#include "winerror.h"
#include "devioctl.h"
#include "miniport.h"
#include "ntddvdeo.h"
#include "video.h"
#include "interupt.h"
#include "perm2tag.h"
//
// define an assert macro for debugging
//
#if DBG
#define RIP(x) { VideoDebugPrint((0, x)); ASSERT(FALSE); }
#define P2_ASSERT(x, y) if (!(x)) RIP(y)
#else
#define P2_ASSERT(x, y)
#endif
#if DBG
#define DEBUG_PRINT(arg) VideoDebugPrint(arg)
#else
#define DEBUG_PRINT(arg)
#endif
//
// RAMDAC registers live on 64 bit boundaries. Leave it up to individual
// RAMDAC definitions to determine what registers are available and how
// many bits wide the registers really are.
//
typedef struct {
volatile ULONG reg;
volatile ULONG pad;
} RAMDAC_REG;
//
// include definitions for all supported RAMDACS
//
#include "tvp4020.h"
#include "p2rd.h"
#define PAGE_SIZE 0x1000
//
// default clock speed in Hz for the reference board. The actual speed
// is looked up in the registry. Use this if no registry entry is found
// or the registry entry is zero.
//
#define PERMEDIA_DEFAULT_CLOCK_SPEED ( 60 * (1000*1000))
#define PERMEDIA_4MB_DEFAULT_CLOCK_SPEED ( 70 * (1000*1000))
#define PERMEDIA_8MB_DEFAULT_CLOCK_SPEED ( 60 * (1000*1000))
#define PERMEDIA_LC_DEFAULT_CLOCK_SPEED ( 83 * (1000*1000))
#define MAX_PERMEDIA_CLOCK_SPEED (100 * (1000*1000))
#define MIN_PERMEDIA_CLOCK_SPEED ( 50 * (1000*1000))
#define REF_CLOCK_SPEED 14318200
#define PERMEDIA2_DEFAULT_CLOCK_SPEED ( 70 * (1000*1000))
//
// Maximum pixelclock values that the RAMDAC can handle (in 100's hz).
//
#define P2_MAX_PIXELCLOCK 2200000 // RAMDAC rated at 220 Mhz
//
// Maximum amount of video data per second, that the rasterizer
// chip can send to the RAMDAC (limited by SDRAM/SGRAM throuput).
//
#define P2_MAX_PIXELDATA 5000000 // 500 million bytes/sec (in 100's bytes)
//
// Base address numbers for the Permedia2 PCI regions in which we're interested.
// These are indexes into the AccessRanges array we get from probing the
// device.
//
#define PCI_CTRL_BASE_INDEX 0
#define PCI_LB_BASE_INDEX 1
#define PCI_FB_BASE_INDEX 2
#define VENDOR_ID_3DLABS 0x3D3D
#define VENDOR_ID_TI 0x104C
#define PERMEDIA2_ID 0x0007 // 3Dlabs Permedia 2 (TI4020 RAMDAC)
#define PERMEDIA_P2_ID 0x3D07 // TI Permedia 2 (TI4020 RAMDAC)
#define PERMEDIA_P2S_ID 0x0009 // 3Dlabs Permedia 2 (P2RD RAMDAC)
#define DEVICE_FAMILY_ID(id) ((id) & 0xff)
#define PERMEDIA_REV_1 0x0001
#define PERMEDIA2A_REV_ID 0x0011
//
// Capabilities flags
//
// These are private flags passed to the Permedia2 display driver. They're
// put in the high word of the 'AttributeFlags' field of the
// 'VIDEO_MODE_INFORMATION' structure (found in 'ntddvdeo.h') passed
// to the display driver via an 'VIDEO_QUERY_AVAIL_MODES' or
// 'VIDEO_QUERY_CURRENT_MODE' IOCTL.
//
// NOTE: These definitions must match those in the Permedia2 display driver's
// 'driver.h'!
//
typedef enum {
CAPS_ZOOM_X_BY2 = 0x00000001, // Hardware has zoomed by 2 in X
CAPS_ZOOM_Y_BY2 = 0x00000002, // Hardware has zoomed by 2 in Y
CAPS_SPARSE_SPACE = 0x00000004, // Framebuffer is sparsely mapped
// (don't allow direct access). The machine
// is probably an Alpha.
CAPS_SW_POINTER = 0x00010000, // No hardware pointer; use software
// simulation
CAPS_GLYPH_EXPAND = 0x00020000, // Use glyph-expand method to draw
// text.
CAPS_RGB525_POINTER = 0x00040000, // Use IBM RGB525 cursor
CAPS_FAST_FILL_BUG = 0x00080000, // chip fast fill bug exists
// CAPS_INTERRUPTS = 0x00100000, // interrupts supported
// CAPS_DMA_AVAILABLE = 0x00200000, // DMA is supported
CAPS_TVP3026_POINTER = 0x00400000, // Use TI TVP3026 pointer
CAPS_8BPP_RGB = 0x00800000, // Use RGB in 8bpp mode
CAPS_RGB640_POINTER = 0x01000000, // Use IBM RGB640 cursor
CAPS_DUAL_GLINT = 0x02000000, // Dual-TX board
CAPS_GLINT2_RAMDAC = 0x04000000, // Second TX/MX attached to the RAMDAC
CAPS_ENHANCED_TX = 0x08000000, // TX is in enhanced mode
CAPS_ACCEL_HW_PRESENT = 0x10000000, // Accel Graphics Hardware
CAPS_TVP4020_POINTER = 0x20000000, // Use TI TVP3026 pointer
CAPS_P2RD_POINTER = 0x80000000 // Use the 3Dlabs P2RD RAMDAC
} CAPS;
//
// Supported board definitions.
//
typedef enum _PERM2_BOARDS {
PERMEDIA2_BOARD = 1,
} PERM2_BOARDS;
//
// Supported RAMDAC definitions.
//
typedef enum _PERM2_RAMDACS {
TVP4020_RAMDAC = 1,
P2RD_RAMDAC,
} PERM2_RAMDACS;
//
// macros to add padding words to the structures. For the core registers we use
// the tag ids when specifying the pad. So we must multiply by 8 to get a byte
// pad. We need to add an id to make each pad field in the struct unique. The id
// is irrelevant as long as it's different from every other id used in the same
// struct. It's a pity pad##__LINE__ doesn't work.
//
#define PAD(id, n) UCHAR pad##id[n]
#define PADRANGE(id, n) PAD(id, (n)-sizeof(P2_REG))
#define PADCORERANGE(id, n) PADRANGE(id, (n)<<3)
//
// Permedia2 registers are 32 bits wide and live on 64-bit boundaries.
//
typedef struct {
ULONG reg;
ULONG pad;
} P2_REG;
//
// Permedia2 PCI Region 0 Address MAP:
//
// All registers are on 64-bit boundaries so we have to define a number of
// padding words. The number given in the comments are offsets from the start
// of the PCI region.
//
typedef struct _p2_region0_map {
// Control Status Registers:
P2_REG ResetStatus; // 0000h
P2_REG IntEnable; // 0008h
P2_REG IntFlags; // 0010h
P2_REG InFIFOSpace; // 0018h
P2_REG OutFIFOWords; // 0020h
P2_REG DMAAddress; // 0028h
P2_REG DMACount; // 0030h
P2_REG ErrorFlags; // 0038h
P2_REG VClkCtl; // 0040h
P2_REG TestRegister; // 0048h
union a0 {
// GLINT
struct b0 {
P2_REG Aperture0; // 0050h
P2_REG Aperture1; // 0058h
};
// PERMEDIA
struct b1 {
P2_REG ApertureOne; // 0050h
P2_REG ApertureTwo; // 0058h
};
};
P2_REG DMAControl; // 0060h
P2_REG DisconnectControl; // 0068h
// PERMEDIA only
P2_REG ChipConfig; // 0070h
PADRANGE(1, 0x80-0x70);
P2_REG OutDMAAddress; // 0080h
P2_REG OutDMACount; // 0088h
PADRANGE(1a, 0x800-0x88);
// GLINTdelta registers. Registers with the same functionality as on GLINT
// are at the same offset. XXX are not real registers.
//
P2_REG DeltaReset; // 0800h
P2_REG DeltaIntEnable; // 0808h
P2_REG DeltaIntFlags; // 0810h
P2_REG DeltaInFIFOSpaceXXX; // 0818h
P2_REG DeltaOutFIFOWordsXXX; // 0820h
P2_REG DeltaDMAAddressXXX; // 0828h
P2_REG DeltaDMACountXXX; // 0830h
P2_REG DeltaErrorFlags; // 0838h
P2_REG DeltaVClkCtlXXX; // 0840h
P2_REG DeltaTestRegister; // 0848h
P2_REG DeltaAperture0XXX; // 0850h
P2_REG DeltaAperture1XXX; // 0858h
P2_REG DeltaDMAControlXXX; // 0860h
P2_REG DeltaDisconnectControl; // 0868h
PADRANGE(2, 0x1000-0x868);
// Localbuffer Registers
union x0 { // 1000h
P2_REG LBMemoryCtl; // GLINT
P2_REG Reboot; // PERMEDIA
};
P2_REG LBMemoryEDO; // 1008h
PADRANGE(3, 0x1040-0x1008);
// PERMEDIA only
P2_REG RomControl; // 1040h
PADRANGE(4, 0x1080-0x1040);
P2_REG BootAddress; // 1080h
PADRANGE(5, 0x10C0-0x1080);
P2_REG MemConfig; // 10C0h
PADRANGE(6, 0x1100-0x10C0);
P2_REG BypassWriteMask; // 1100h
PADRANGE(7, 0x1140-0x1100);
P2_REG FramebufferWriteMask; // 1140h
PADRANGE(8, 0x1180-0x1140);
P2_REG Count; // 1180h
PADRANGE(9, 0x1800-0x1180);
// Framebuffer Registers
P2_REG FBMemoryCtl; // 1800h
P2_REG FBModeSel; // 1808h
P2_REG FBGCWrMask; // 1810h
P2_REG FBGCColorMask; // 1818h
P2_REG FBTXMemCtl; // 1820h
PADRANGE(10, 0x2000-0x1820);
// Graphics Core FIFO Interface
P2_REG FIFOInterface; // 2000h
PADRANGE(11, 0x3000-0x2000);
// Internal Video Registers
union x1 {
// GLINT
struct s1 {
P2_REG VTGHLimit; // 3000h
P2_REG VTGHSyncStart; // 3008h
P2_REG VTGHSyncEnd; // 3010h
P2_REG VTGHBlankEnd; // 3018h
P2_REG VTGVLimit; // 3020h
P2_REG VTGVSyncStart; // 3028h
P2_REG VTGVSyncEnd; // 3030h
P2_REG VTGVBlankEnd; // 3038h
P2_REG VTGHGateStart; // 3040h
P2_REG VTGHGateEnd; // 3048h
P2_REG VTGVGateStart; // 3050h
P2_REG VTGVGateEnd; // 3058h
P2_REG VTGPolarity; // 3060h
P2_REG VTGFrameRowAddr; // 3068h
P2_REG VTGVLineNumber; // 3070h
P2_REG VTGSerialClk; // 3078h
};
// PERMEDIA
struct s2 {
P2_REG ScreenBase; // 3000h
P2_REG ScreenStride; // 3008h
P2_REG HTotal; // 3010h
P2_REG HgEnd; // 3018h
P2_REG HbEnd; // 3020h
P2_REG HsStart; // 3028h
P2_REG HsEnd; // 3030h
P2_REG VTotal; // 3038h
P2_REG VbEnd; // 3040h
P2_REG VsStart; // 3048h
P2_REG VsEnd; // 3050h
P2_REG VideoControl; // 3058h
P2_REG InterruptLine; // 3060h
P2_REG DDCData; // 3068h
P2_REG LineCount; // 3070h
P2_REG VFifoCtl; // 3078h
};
};
P2_REG VTGModeCtl; // 3080h
PADRANGE(12, 0x4000-0x3080);
// External Video Control Registers
// Need to cast this to a struct for a particular video generator
P2_REG ExternalVideo; // 4000h
PADRANGE(13, 0x4080-0x4000);
// Mentor Dual-TX clock chip registers
P2_REG MentorICDControl; // 4080h
// for future: MentorDoubleWrite is at 40C0: 0 = single write, 1 = double
// NB must have 2-way interleaved memory
PADRANGE(14, 0x5800-0x4080);
// P2 video streams registers
P2_REG VSConfiguration; // 5800h
PADRANGE(15, 0x6000-0x5800);
union x2 {
struct s3 {
P2_REG RacerDoubleWrite; // 6000h
P2_REG RacerBankSelect; // 6008h
P2_REG DualTxVgaSwitch; // 6010h
P2_REG DDC1ReadAddress; // 6018h
};
struct s4 {
// the following array is actually 1024 bytes long
UCHAR PermediaVgaCtrl[4*sizeof(P2_REG)];
};
};
} P2ControlRegMap, *pP2ControlRegMap;
//
// Permedia2 Interrupt Control Bits
//
//
// InterruptEnable register
//
#define INTR_DISABLE_ALL 0x00
#define INTR_ENABLE_DMA 0x01
#define INTR_ENABLE_SYNC 0x02
#define INTR_ENABLE_EXTERNAL 0x04
#define INTR_ENABLE_ERROR 0x08
#define INTR_ENABLE_VBLANK 0x10
//
// InterruptFlags register
//
#define INTR_DMA_SET 0x01
#define INTR_SYNC_SET 0x02
#define INTR_EXTERNAL_SET 0x04
#define INTR_ERROR_SET 0x08
#define INTR_VBLANK_SET 0x10
#define INTR_SVGA_SET 0X80000000
#define INTR_CLEAR_ALL 0x1f
#define INTR_CLEAR_DMA 0x01
#define INTR_CLEAR_SYNC 0x02
#define INTR_CLEAR_EXTERNAL 0x04
#define INTR_CLEAR_ERROR 0x08
#define INTR_CLEAR_VBLANK 0x10
//
// Macro to declare local variables at the start of any function that wants to
// load Permedia2 registers. Assumes PHW_DEVICE_EXTENSION *hwDeviceExtension
// has already been declared.
//
#define P2_DECL_VARS \
pP2ControlRegMap pCtrlRegs
#define P2_DECL \
pP2ControlRegMap pCtrlRegs = hwDeviceExtension->ctrlRegBase
//
// generic RAMDAC declaration. Used when we have table driven I/O. Must be
// declared after P2_DECL
//
#define RAMDAC_DECL \
P2_REG *pRAMDAC = &(pCtrlRegs->ExternalVideo)
//
// macros which takes a Permedia2 tag name or control register name and translates
// it to a register address. Data must be written to these addresses using
// VideoPortWriteRegisterUlong and read using VideoPortReadRegisterUlong.
// e.g. dma_count = VideoPortReadRegisterUlong(DMA_COUNT);
//
#define CTRL_REG_ADDR(reg) ((PULONG)&(pCtrlRegs->reg))
#define CTRL_REG_OFFSET(regAddr) ((ULONG)(((ULONG_PTR)regAddr) - ((ULONG_PTR)pCtrlRegs)))
//
// defines for the different control registers needed by Permedia2. These macros
// can be used as the address part.
//
#define RESET_STATUS CTRL_REG_ADDR(ResetStatus)
#define INT_ENABLE CTRL_REG_ADDR(IntEnable)
#define INT_FLAGS CTRL_REG_ADDR(IntFlags)
#define IN_FIFO_SPACE CTRL_REG_ADDR(InFIFOSpace)
#define OUT_FIFO_WORDS CTRL_REG_ADDR(OutFIFOWords)
#define DMA_ADDRESS CTRL_REG_ADDR(DMAAddress)
#define DMA_COUNT CTRL_REG_ADDR(DMACount)
#define DMA_OUT_ADDRESS CTRL_REG_ADDR(OutDMAAddress) // P2 only
#define DMA_OUT_COUNT CTRL_REG_ADDR(OutDMACount) // P2 only
#define ERROR_FLAGS CTRL_REG_ADDR(ErrorFlags)
#define V_CLK_CTL CTRL_REG_ADDR(VClkCtl)
#define TEST_REGISTER CTRL_REG_ADDR(TestRegister)
#define APERTURE_0 CTRL_REG_ADDR(Aperture0)
#define APERTURE_1 CTRL_REG_ADDR(Aperture1)
#define DMA_CONTROL CTRL_REG_ADDR(DMAControl)
#define LB_MEMORY_CTL CTRL_REG_ADDR(LBMemoryCtl)
#define LB_MEMORY_EDO CTRL_REG_ADDR(LBMemoryEDO)
#define FB_MEMORY_CTL CTRL_REG_ADDR(FBMemoryCtl)
#define FB_MODE_SEL CTRL_REG_ADDR(FBModeSel)
#define FB_GC_WRITEMASK CTRL_REG_ADDR(FBGCWrMask)
#define FB_GC_COLORMASK CTRL_REG_ADDR(FBGCColorMask)
#define FB_TX_MEM_CTL CTRL_REG_ADDR(FBTXMemCtl)
#define FIFO_INTERFACE CTRL_REG_ADDR(FIFOInterface)
#define DISCONNECT_CONTROL CTRL_REG_ADDR(DisconnectControl)
//
// internal timing registers
//
#define VTG_HLIMIT CTRL_REG_ADDR(VTGHLimit)
#define VTG_HSYNC_START CTRL_REG_ADDR(VTGHSyncStart)
#define VTG_HSYNC_END CTRL_REG_ADDR(VTGHSyncEnd)
#define VTG_HBLANK_END CTRL_REG_ADDR(VTGHBlankEnd)
#define VTG_VLIMIT CTRL_REG_ADDR(VTGVLimit)
#define VTG_VSYNC_START CTRL_REG_ADDR(VTGVSyncStart)
#define VTG_VSYNC_END CTRL_REG_ADDR(VTGVSyncEnd)
#define VTG_VBLANK_END CTRL_REG_ADDR(VTGVBlankEnd)
#define VTG_HGATE_START CTRL_REG_ADDR(VTGHGateStart)
#define VTG_HGATE_END CTRL_REG_ADDR(VTGHGateEnd)
#define VTG_VGATE_START CTRL_REG_ADDR(VTGVGateStart)
#define VTG_VGATE_END CTRL_REG_ADDR(VTGVGateEnd)
#define VTG_POLARITY CTRL_REG_ADDR(VTGPolarity)
#define VTG_FRAME_ROW_ADDR CTRL_REG_ADDR(VTGFrameRowAddr)
#define VTG_VLINE_NUMBER CTRL_REG_ADDR(VTGVLineNumber)
#define VTG_SERIAL_CLK CTRL_REG_ADDR(VTGSerialClk)
#define VTG_MODE_CTL CTRL_REG_ADDR(VTGModeCtl)
#define SUSPEND_UNTIL_FRAME_BLANK (1 << 2)
#define TX_ENHANCED_ENABLE (1 << 1)
//
// Permedia registers
//
#define APERTURE_ONE CTRL_REG_ADDR(ApertureOne)
#define APERTURE_TWO CTRL_REG_ADDR(ApertureTwo)
#define BYPASS_WRITE_MASK CTRL_REG_ADDR(BypassWriteMask)
#define ROM_CONTROL CTRL_REG_ADDR(RomControl)
#define BOOT_ADDRESS CTRL_REG_ADDR(BootAddress)
#define MEM_CONFIG CTRL_REG_ADDR(MemConfig)
#define CHIP_CONFIG CTRL_REG_ADDR(ChipConfig)
#define SGRAM_REBOOT CTRL_REG_ADDR(Reboot)
#define SCREEN_BASE CTRL_REG_ADDR(ScreenBase)
#define SCREEN_STRIDE CTRL_REG_ADDR(ScreenStride)
#define H_TOTAL CTRL_REG_ADDR(HTotal)
#define HG_END CTRL_REG_ADDR(HgEnd)
#define HB_END CTRL_REG_ADDR(HbEnd)
#define HS_START CTRL_REG_ADDR(HsStart)
#define HS_END CTRL_REG_ADDR(HsEnd)
#define V_TOTAL CTRL_REG_ADDR(VTotal)
#define VB_END CTRL_REG_ADDR(VbEnd)
#define VS_START CTRL_REG_ADDR(VsStart)
#define VS_END CTRL_REG_ADDR(VsEnd)
#define VIDEO_CONTROL CTRL_REG_ADDR(VideoControl)
#define INTERRUPT_LINE CTRL_REG_ADDR(InterruptLine)
#define DDC_DATA CTRL_REG_ADDR(DDCData)
#define LINE_COUNT CTRL_REG_ADDR(LineCount)
#define VIDEO_FIFO_CTL CTRL_REG_ADDR(VFifoCtl)
//
// Permedia 2 Video Streams registers
//
#define VSTREAM_CONFIG CTRL_REG_ADDR(VSConfiguration)
// PERMEDIA memory mapped VGA access
#define PERMEDIA_MMVGA_INDEX_REG ((PVOID)(&(pCtrlRegs->PermediaVgaCtrl[0x3C4])))
#define PERMEDIA_MMVGA_DATA_REG (&(pCtrlRegs->PermediaVgaCtrl[0x3C5]))
#define PERMEDIA_MMVGA_CRTC_INDEX_REG ((PVOID)(&(pCtrlRegs->PermediaVgaCtrl[0x3D4])))
#define PERMEDIA_MMVGA_CRTC_DATA_REG (&(pCtrlRegs->PermediaVgaCtrl[0x3D5]))
#define PERMEDIA_MMVGA_STAT_REG (&(pCtrlRegs->PermediaVgaCtrl[0x3DA]))
#define PERMEDIA_VGA_CTRL_INDEX 5
#define PERMEDIA_VGA_CR11_INDEX 0x11
#define PERMEDIA_VGA_ENABLE (1 << 3)
#define PERMEDIA_VGA_INTERRUPT_ENABLE (1 << 2)
#define PERMEDIA_VGA_STAT_VSYNC (1 << 3)
#define PERMEDIA_VGA_SYNC_INTERRUPT (1 << 4)
//
// magic bits in the FBMemoryCtl and LBMemoryCtl registers
//
#define LBCTL_RAS_CAS_LOW_MASK (3 << 3)
#define LBCTL_RAS_CAS_LOW_2_CLK (0 << 3)
#define LBCTL_RAS_CAS_LOW_3_CLK (1 << 3)
#define LBCTL_RAS_CAS_LOW_4_CLK (2 << 3)
#define LBCTL_RAS_CAS_LOW_5_CLK (3 << 3)
#define LBCTL_RAS_PRECHARGE_MASK (3 << 5)
#define LBCTL_RAS_PRECHARGE_2_CLK (0 << 5)
#define LBCTL_RAS_PRECHARGE_3_CLK (1 << 5)
#define LBCTL_RAS_PRECHARGE_4_CLK (2 << 5)
#define LBCTL_RAS_PRECHARGE_5_CLK (3 << 5)
#define LBCTL_CAS_LOW_MASK (3 << 7)
#define LBCTL_CAS_LOW_1_CLK (0 << 7)
#define LBCTL_CAS_LOW_2_CLK (1 << 7)
#define LBCTL_CAS_LOW_3_CLK (2 << 7)
#define LBCTL_CAS_LOW_4_CLK (3 << 7)
#define FBCTL_RAS_CAS_LOW_MASK (3 << 0)
#define FBCTL_RAS_CAS_LOW_2_CLK (0 << 0)
#define FBCTL_RAS_CAS_LOW_3_CLK (1 << 0)
#define FBCTL_RAS_CAS_LOW_4_CLK (2 << 0)
#define FBCTL_RAS_CAS_LOW_5_CLK (3 << 0)
#define FBCTL_RAS_PRECHARGE_MASK (3 << 2)
#define FBCTL_RAS_PRECHARGE_2_CLK (0 << 2)
#define FBCTL_RAS_PRECHARGE_3_CLK (1 << 2)
#define FBCTL_RAS_PRECHARGE_4_CLK (2 << 2)
#define FBCTL_RAS_PRECHARGE_5_CLK (3 << 2)
#define FBCTL_CAS_LOW_MASK (3 << 4)
#define FBCTL_CAS_LOW_1_CLK (0 << 4)
#define FBCTL_CAS_LOW_2_CLK (1 << 4)
#define FBCTL_CAS_LOW_3_CLK (2 << 4)
#define FBCTL_CAS_LOW_4_CLK (3 << 4)
//
// DisconnectControl bits
//
#define DISCONNECT_INPUT_FIFO_ENABLE 0x1
#define DISCONNECT_OUTPUT_FIFO_ENABLE 0x2
#define DISCONNECT_INOUT_ENABLE (DISCONNECT_INPUT_FIFO_ENABLE | \
DISCONNECT_OUTPUT_FIFO_ENABLE)
//
// structure of timing data contained in the registry
//
typedef struct {
USHORT HTot; // Hor Total Time
UCHAR HFP; // Hor Front Porch
UCHAR HST; // Hor Sync Time
UCHAR HBP; // Hor Back Porch
UCHAR HSP; // Hor Sync Polarity
USHORT VTot; // Ver Total Time
UCHAR VFP; // Ver Front Porch
UCHAR VST; // Ver Sync Time
UCHAR VBP; // Ver Back Porch
UCHAR VSP; // Ver Sync Polarity
} VESA_TIMING_STANDARD;
//
// Characteristics of each mode
//
typedef struct _P2_VIDEO_MODES {
// Leave INT10 fields in for later chips which have VGA
USHORT Int10ModeNumberContiguous;
USHORT Int10ModeNumberNoncontiguous;
ULONG ScreenStrideContiguous;
VIDEO_MODE_INFORMATION ModeInformation;
} P2_VIDEO_MODES, *PP2_VIDEO_MODES;
//
// Mode-set specific information.
//
//
// for a given (frequency x resolution x depth) combination we have:
// frequency x resolution only dependent initialization
// frequency x resolution x depth dependent initialization
// We split these into 2 tables to save space in the driver.
//
typedef struct _frd_tables {
PULONG FRTable;
PULONG FRDTable;
} FRDTable;
typedef struct _P2_VIDEO_FREQUENCIES {
ULONG BitsPerPel;
ULONG ScreenWidth;
ULONG ScreenHeight;
ULONG ScreenFrequency;
PP2_VIDEO_MODES ModeEntry;
ULONG ModeIndex;
UCHAR ModeValid;
ULONG PixelClock;
} P2_VIDEO_FREQUENCIES, *PP2_VIDEO_FREQUENCIES;
//
// PCI device information. Used in an IOCTL return. Ensure this is the same
// as in the display drivers
//
typedef struct _P2_Device_Info {
ULONG SubsystemId;
ULONG SubsystemVendorId;
ULONG VendorId;
ULONG DeviceId;
ULONG RevisionId;
ULONG DeltaRevId;
ULONG GammaRevId;
ULONG BoardId;
ULONG LocalbufferLength;
ULONG LocalbufferWidth;
ULONG ActualDacId;
} P2_Device_Info;
//
// Definition of the IOCTL_VIDEO_QUERY_LINE_DMA_BUFFER
//
typedef struct _LINE_DMA_BUFFER {
PHYSICAL_ADDRESS physAddr; // physical address of DMA buffer
PVOID virtAddr; // mapped virtual address
ULONG size; // size in bytes
BOOLEAN cacheEnabled; // Whether buffer is cached
} LINE_DMA_BUFFER, *PLINE_DMA_BUFFER;
//
// Definition of the IOCTL_VIDEO_QUERY_EMULATED_DMA_BUFFER
//
typedef struct _EMULATED_DMA_BUFFER {
PVOID virtAddr; // virtual address
ULONG size; // size in bytes
ULONG tag; // allocation tag
} EMULATED_DMA_BUFFER, *PEMULATED_DMA_BUFFER;
//
// The following are the definition for the LUT cache. The aim of the LUT cache
// is to stop sparkling from occurring, bu only writing those LUT entries that
// have changed to the chip, we can only do this by remembering what is already
// down there. The 'mystify' screen saver on P2 demonstrates the problem.
//
#define LUT_CACHE_INIT() {VideoPortZeroMemory (&(hwDeviceExtension->LUTCache), sizeof (hwDeviceExtension->LUTCache));}
#define LUT_CACHE_SETSIZE(sz) {hwDeviceExtension->LUTCache.LUTCache.NumEntries = (sz);}
#define LUT_CACHE_SETFIRST(frst){hwDeviceExtension->LUTCache.LUTCache.FirstEntry = (frst);}
#define LUT_CACHE_SETRGB(idx,zr,zg,zb) { \
hwDeviceExtension->LUTCache.LUTCache.LookupTable [idx].RgbArray.Red = (UCHAR) (zr); \
hwDeviceExtension->LUTCache.LUTCache.LookupTable [idx].RgbArray.Green = (UCHAR) (zg); \
hwDeviceExtension->LUTCache.LUTCache.LookupTable [idx].RgbArray.Blue = (UCHAR) (zb); \
}
//
// The LUT cache
//
typedef struct {
VIDEO_CLUT LUTCache; // Header plus 1 LUT entry
VIDEO_CLUTDATA LUTData [255]; // the other 255 LUT entries
} LUT_CACHE;
#define MAX_REGISTER_INITIALIZATION_TABLE_ENTRIES 10
#define MAX_REGISTER_INITIALIZATION_TABLE_ULONGS (2 * MAX_REGISTER_INITIALIZATION_TABLE_ENTRIES)
//
// Define device extension structure. This is device dependent/private
// information.
//
typedef struct _HW_DEVICE_EXTENSION {
pP2ControlRegMap ctrlRegBase;
PVOID pFramebuffer;
PVOID pRamdac;
PHYSICAL_ADDRESS PhysicalFrameAddress;
ULONG FrameLength;
PHYSICAL_ADDRESS PhysicalRegisterAddress;
ULONG RegisterLength;
UCHAR RegisterSpace;
PP2_VIDEO_MODES ActiveModeEntry;
P2_VIDEO_FREQUENCIES ActiveFrequencyEntry;
PP2_VIDEO_FREQUENCIES FrequencyTable;
PCI_SLOT_NUMBER pciSlot;
ULONG pciBus;
ULONG BoardNumber;
ULONG DacId;
ULONG ChipClockSpeed;
ULONG RefClockSpeed;
ULONG Capabilities;
ULONG NumAvailableModes;
ULONG NumTotalModes;
ULONG AdapterMemorySize;
ULONG PhysicalFrameIoSpace;
P2_Device_Info deviceInfo;
//
// Shared memory for communications with the display driver
//
P2_INTERRUPT_CTRLBUF InterruptControl;
//
// defaults for registry variable values
//
ULONG UseSoftwareCursor;
ULONG P28bppRGB;
ULONG ExportNon3DModes;
//
// DMA Buffer definition
// allocate only one copy of DMA buffer at start of day
// and keep it until system is shut down or display drivers say goodbye
//
ULONG ulLineDMABufferUsage;
LINE_DMA_BUFFER LineDMABuffer;
//
// PCI Config Information
//
ULONG bVGAEnabled;
ULONG bDMAEnabled;
ULONG PciSpeed;
VIDEO_ACCESS_RANGE PciAccessRange[PCI_TYPE0_ADDRESSES+1];
//
// Initialisation table
//
ULONG aulInitializationTable[MAX_REGISTER_INITIALIZATION_TABLE_ULONGS];
ULONG culTableEntries;
//
// LUT cache
//
LUT_CACHE LUTCache;
BOOLEAN bVTGRunning;
PP2_VIDEO_FREQUENCIES pFrequencyDefault;
//
// state save variables (for during power-saving)
//
ULONG VideoControl;
ULONG IntEnable;
ULONG PreviousPowerState;
BOOLEAN bMonitorPoweredOn;
//
// current NT version
//
USHORT NtVersion;
//
// pointers of VideoPort function that not available on NT4
//
PVOID (*Win2kVideoPortGetRomImage)();
PVOID (*Win2kVideoPortGetCommonBuffer)();
PVOID (*Win2kVideoPortFreeCommonBuffer)();
BOOLEAN (*Win2kVideoPortDDCMonitorHelper)();
LONG (FASTCALL *Win2kVideoPortInterlockedExchange)();
VP_STATUS (*Win2kVideoPortGetVgaStatus)();
//
// if the SubSystemId/SubVendorId in PCI config space are read only
//
BOOLEAN HardwiredSubSystemId;
} HW_DEVICE_EXTENSION, *PHW_DEVICE_EXTENSION;
//
// definitions for the purpose of binary level compatable with NT4
//
#define NT4 400
#define WIN2K 500
#define VideoPortGetRomImage \
hwDeviceExtension->Win2kVideoPortGetRomImage
#define VideoPortGetCommonBuffer \
hwDeviceExtension->Win2kVideoPortGetCommonBuffer
#define VideoPortFreeCommonBuffer \
hwDeviceExtension->Win2kVideoPortFreeCommonBuffer
#define VideoPortDDCMonitorHelper \
hwDeviceExtension->Win2kVideoPortDDCMonitorHelper
#define VideoPortInterlockedExchange \
hwDeviceExtension->Win2kVideoPortInterlockedExchange
#define VideoPortGetVgaStatus \
hwDeviceExtension->Win2kVideoPortGetVgaStatus
//
// Highest valid DAC color register index.
//
#define VIDEO_MAX_COLOR_REGISTER 0xFF
#define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * (VIDEO_MAX_COLOR_REGISTER+1)))
//
// Data
//
extern ULONG bPal8[];
extern ULONG bPal4[];
extern P2_VIDEO_MODES P2Modes[];
extern ULONG NumP2VideoModes;
//
// Permedia2 Legacy Resources
//
extern VIDEO_ACCESS_RANGE P2LegacyResourceList[];
extern ULONG P2LegacyResourceEntries;
//
// Function prototypes
//
//
// permedia.c
//
BOOLEAN
InitializeVideo(
PHW_DEVICE_EXTENSION HwDeviceExtension,
PP2_VIDEO_FREQUENCIES VideoMode
);
BOOLEAN
Permedia2AssignResources(
PVOID HwDeviceExtension,
PVIDEO_PORT_CONFIG_INFO ConfigInfo,
ULONG NumRegions,
PVIDEO_ACCESS_RANGE AccessRange
);
BOOLEAN
Permedia2AssignResourcesNT4(
PVOID HwDeviceExtension,
PVIDEO_PORT_CONFIG_INFO ConfigInfo,
ULONG NumRegions,
PVIDEO_ACCESS_RANGE AccessRange
);
ULONG
DriverEntry (
PVOID Context1,
PVOID Context2
);
VP_STATUS
Permedia2FindAdapter(
PVOID HwDeviceExtension,
PVOID HwContext,
PWSTR ArgumentString,
PVIDEO_PORT_CONFIG_INFO ConfigInfo,
PUCHAR Again
);
BOOLEAN
InitializeAndSizeRAM(
PVOID HwDeviceExtension,
PVIDEO_ACCESS_RANGE AccessRange
);
VOID
ConstructValidModesList(
PVOID HwDeviceExtension,
PHW_DEVICE_EXTENSION hwDeviceExtension
);
BOOLEAN
Permedia2Initialize(
PVOID HwDeviceExtension
);
BOOLEAN
Permedia2StartIO(
PVOID HwDeviceExtension,
PVIDEO_REQUEST_PACKET RequestPacket
);
BOOLEAN
Permedia2ResetHW(
PVOID HwDeviceExtension,
ULONG Columns,
ULONG Rows
);
VP_STATUS
Permedia2GetPowerState(
PVOID HwDeviceExtension,
ULONG HwId,
PVIDEO_POWER_MANAGEMENT VideoPowerControl
);
VP_STATUS
Permedia2SetPowerState(
PVOID HwDeviceExtension,
ULONG HwId,
PVIDEO_POWER_MANAGEMENT VideoPowerControl
);
ULONG
Permedia2GetChildDescriptor (
IN PVOID HwDeviceExtension,
IN PVIDEO_CHILD_ENUM_INFO ChildEnumInfo,
OUT PVIDEO_CHILD_TYPE pChildType,
OUT PVOID pChildDescriptor,
OUT PULONG pUId,
OUT PULONG pUnused
);
BOOLEAN
PowerOnReset(
PHW_DEVICE_EXTENSION hwDeviceExtension
);
VP_STATUS
Permedia2SetColorLookup(
PHW_DEVICE_EXTENSION HwDeviceExtension,
PVIDEO_CLUT ClutBuffer,
ULONG ClutBufferSize,
BOOLEAN ForceRAMDACWrite,
BOOLEAN UpdateCache
);
VP_STATUS
Permedia2RegistryCallback(
PVOID HwDeviceExtension,
PVOID Context,
PWSTR ValueName,
PVOID ValueData,
ULONG ValueLength
);
VP_STATUS
Permedia2RetrieveGammaCallback(
PVOID HwDeviceExtension,
PVOID Context,
PWSTR ValueName,
PVOID ValueData,
ULONG ValueLength
);
VOID
Permedia2GetClockSpeeds(
PVOID HwDeviceExtension
);
VOID
ZeroMemAndDac(
PHW_DEVICE_EXTENSION HwDeviceExtension,
ULONG RequestedMode
);
BOOLEAN
Permedia2InitializeInterruptBlock(
PVOID HwDeviceExtension
);
BOOLEAN
Permedia2VidInterrupt(
PVOID HwDeviceExtension
);
BOOLEAN
Permedia2InitializeDMABuffers(
PVOID HwDeviceExtension
);
BOOLEAN
DMAExecute(PVOID Context);
#if DBG
VOID
DumpPCIConfigSpace(
PVOID HwDeviceExtension,
ULONG bus,
ULONG slot
);
#endif
VOID
CopyROMInitializationTable(
PHW_DEVICE_EXTENSION hwDeviceExtension
);
VOID
GenerateInitializationTable(
PHW_DEVICE_EXTENSION hwDeviceExtension
);
VOID
ProcessInitializationTable(
PHW_DEVICE_EXTENSION hwDeviceExtension
);
BOOLEAN
VerifyBiosSettings(
PHW_DEVICE_EXTENSION hwDeviceExtension
);
LONG
IntergerToUnicode(
IN ULONG number,
OUT PWSTR string
);
LONG
GetBiosVersion (
PHW_DEVICE_EXTENSION hwDeviceExtension,
OUT PWSTR BiosVersion
);
#if defined(_ALPHA_)
#define abs(a) ( ((LONG)(a)) > 0 ? ((LONG)(a)) : -((LONG)(a)) )
#endif
BOOLEAN
GetVideoTiming (
PHW_DEVICE_EXTENSION hwDeviceExtension,
ULONG xRes,
ULONG yRes,
ULONG Freq,
ULONG Depth,
VESA_TIMING_STANDARD * VESATimings
);
LONG BuildFrequencyList (
PHW_DEVICE_EXTENSION hwDeviceExtension
);
//
// Registry Strings
//
#define PERM2_EXPORT_HIRES_REG_STRING L"ExportSingleBufferedModes"
#define IOCTL_VIDEO_MAP_CPERMEDIA \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD0, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_QUERY_DEVICE_INFO \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD2, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_MAP_INTERRUPT_CMD_BUF \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD3, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_STALL_EXECUTION \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD4, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_QUERY_REGISTRY_DWORD \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD5, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_REG_SAVE_GAMMA_LUT \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD7, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_REG_RETRIEVE_GAMMA_LUT \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD8, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_QUERY_LINE_DMA_BUFFER \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD9, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_GET_COLOR_REGISTERS \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DDB, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_SLEEP \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DDF, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_QUERY_INTERLOCKEDEXCHANGE \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DD6, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VIDEO_QUERY_EMULATED_DMA_BUFFER \
CTL_CODE(FILE_DEVICE_VIDEO, 0x3DDE, METHOD_BUFFERED, FILE_ANY_ACCESS)