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/** @file
* VirtualBox graphics card definitions, private interface for firmware
*/
/*
* Copyright (C) 2006-2024 Oracle and/or its affiliates.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h
#define VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#ifdef VBE
# include <stdint.h>
#else
# include <iprt/types.h>
#endif
/* VBE Mode Numbers */
#define VBE_MODE_VESA_DEFINED 0x0100
#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
/* VBE GFX Mode Number */
#define VBE_VESA_MODE_640X400X8 0x100
#define VBE_VESA_MODE_640X480X8 0x101
#define VBE_VESA_MODE_800X600X4 0x102
#define VBE_VESA_MODE_800X600X8 0x103
#define VBE_VESA_MODE_1024X768X4 0x104
#define VBE_VESA_MODE_1024X768X8 0x105
#define VBE_VESA_MODE_1280X1024X4 0x106
#define VBE_VESA_MODE_1280X1024X8 0x107
#define VBE_VESA_MODE_320X200X1555 0x10D
#define VBE_VESA_MODE_320X200X565 0x10E
#define VBE_VESA_MODE_320X200X888 0x10F
#define VBE_VESA_MODE_640X480X1555 0x110
#define VBE_VESA_MODE_640X480X565 0x111
#define VBE_VESA_MODE_640X480X888 0x112
#define VBE_VESA_MODE_800X600X1555 0x113
#define VBE_VESA_MODE_800X600X565 0x114
#define VBE_VESA_MODE_800X600X888 0x115
#define VBE_VESA_MODE_1024X768X1555 0x116
#define VBE_VESA_MODE_1024X768X565 0x117
#define VBE_VESA_MODE_1024X768X888 0x118
#define VBE_VESA_MODE_1280X1024X1555 0x119
#define VBE_VESA_MODE_1280X1024X565 0x11A
#define VBE_VESA_MODE_1280X1024X888 0x11B
#define VBE_VESA_MODE_1600X1200X8 0x11C
#define VBE_VESA_MODE_1600X1200X1555 0x11D
#define VBE_VESA_MODE_1600X1200X565 0x11E
#define VBE_VESA_MODE_1600X1200X888 0x11F
/* BOCHS/PLEX86 'own' mode numbers */
#define VBE_OWN_MODE_320X200X8888 0x140
#define VBE_OWN_MODE_640X400X8888 0x141
#define VBE_OWN_MODE_640X480X8888 0x142
#define VBE_OWN_MODE_800X600X8888 0x143
#define VBE_OWN_MODE_1024X768X8888 0x144
#define VBE_OWN_MODE_1280X1024X8888 0x145
#define VBE_OWN_MODE_320X200X8 0x146
#define VBE_OWN_MODE_1600X1200X8888 0x147
#define VBE_OWN_MODE_1152X864X8 0x148
#define VBE_OWN_MODE_1152X864X1555 0x149
#define VBE_OWN_MODE_1152X864X565 0x14a
#define VBE_OWN_MODE_1152X864X888 0x14b
#define VBE_OWN_MODE_1152X864X8888 0x14c
/* VirtualBox 'own' mode numbers */
#define VBE_VBOX_MODE_CUSTOM1 0x160
#define VBE_VBOX_MODE_CUSTOM2 0x161
#define VBE_VBOX_MODE_CUSTOM3 0x162
#define VBE_VBOX_MODE_CUSTOM4 0x163
#define VBE_VBOX_MODE_CUSTOM5 0x164
#define VBE_VBOX_MODE_CUSTOM6 0x165
#define VBE_VBOX_MODE_CUSTOM7 0x166
#define VBE_VBOX_MODE_CUSTOM8 0x167
#define VBE_VBOX_MODE_CUSTOM9 0x168
#define VBE_VBOX_MODE_CUSTOM10 0x169
#define VBE_VBOX_MODE_CUSTOM11 0x16a
#define VBE_VBOX_MODE_CUSTOM12 0x16b
#define VBE_VBOX_MODE_CUSTOM13 0x16c
#define VBE_VBOX_MODE_CUSTOM14 0x16d
#define VBE_VBOX_MODE_CUSTOM15 0x16e
#define VBE_VBOX_MODE_CUSTOM16 0x16f
#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
/* Capabilities */
#define VBE_CAPABILITY_8BIT_DAC 0x0001
#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
/* Mode Attributes */
#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
/* Window attributes */
#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
/* Memory model */
#define VBE_MEMORYMODEL_TEXT_MODE 0x00
#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
#define VBE_MEMORYMODEL_PLANAR 0x03
#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
#define VBE_MEMORYMODEL_YUV 0x07
/* DirectColorModeInfo */
#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
/* Video memory */
#define VGAMEM_GRAPH 0xA000
/**
* VBE Bios Extra Data structure.
*/
typedef struct VBEHeader
{
/** Signature (VBEHEADER_MAGIC). */
uint16_t u16Signature;
/** Data size. */
uint16_t cbData;
} VBEHeader;
/** The value of the VBEHeader::u16Signature field. */
#define VBEHEADER_MAGIC 0x77CC
/** The extra port which is used to read the mode list. */
#define VBE_EXTRA_PORT 0x3b6
/** The extra port which is used for debug printf. */
#define VBE_PRINTF_PORT 0x3b7
/**
* This one is for compactly storing a list of mode info blocks
*/
#pragma pack(1) /* pack(1) is important! (you'll get a byte extra for each of the u8 fields elsewise...)
* bird: Load of non-sense. You'll get two extra bytes before MaxPixelClock if you don't pack it. */
typedef struct ModeInfoBlockCompact
{
/* Mandatory information for all VBE revisions */
uint16_t ModeAttributes;
uint8_t WinAAttributes;
uint8_t WinBAttributes;
uint16_t WinGranularity;
uint16_t WinSize;
uint16_t WinASegment;
uint16_t WinBSegment;
uint32_t WinFuncPtr;
uint16_t BytesPerScanLine;
/* Mandatory information for VBE 1.2 and above */
uint16_t XResolution;
uint16_t YResolution;
uint8_t XCharSize;
uint8_t YCharSize;
uint8_t NumberOfPlanes;
uint8_t BitsPerPixel;
uint8_t NumberOfBanks;
uint8_t MemoryModel;
uint8_t BankSize;
uint8_t NumberOfImagePages;
uint8_t Reserved_page;
/* Direct Color fields (required for direct/6 and YUV/7 memory models) */
uint8_t RedMaskSize;
uint8_t RedFieldPosition;
uint8_t GreenMaskSize;
uint8_t GreenFieldPosition;
uint8_t BlueMaskSize;
uint8_t BlueFieldPosition;
uint8_t RsvdMaskSize;
uint8_t RsvdFieldPosition;
uint8_t DirectColorModeInfo;
/* Mandatory information for VBE 2.0 and above */
uint32_t PhysBasePtr;
uint32_t OffScreenMemOffset;
uint16_t OffScreenMemSize;
/* Mandatory information for VBE 3.0 and above */
uint16_t LinBytesPerScanLine;
uint8_t BnkNumberOfPages;
uint8_t LinNumberOfPages;
uint8_t LinRedMaskSize;
uint8_t LinRedFieldPosition;
uint8_t LinGreenMaskSize;
uint8_t LinGreenFieldPosition;
uint8_t LinBlueMaskSize;
uint8_t LinBlueFieldPosition;
uint8_t LinRsvdMaskSize;
uint8_t LinRsvdFieldPosition;
uint32_t MaxPixelClock;
} ModeInfoBlockCompact;
#pragma pack()
typedef struct ModeInfoListItem
{
uint16_t mode;
ModeInfoBlockCompact info;
} ModeInfoListItem;
#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoVBEPrivate_h */
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