VirtualBox

source: vbox/trunk/include/VBox/Graphics/VBoxVideoVBE.h@ 103224

Last change on this file since 103224 was 98103, checked in by vboxsync, 22 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 4.3 KB
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1/* $Id: VBoxVideoVBE.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * VirtualBox graphics card port I/O definitions
4 */
5
6/*
7 * Copyright (C) 2006-2023 Oracle and/or its affiliates.
8 *
9 * Permission is hereby granted, free of charge, to any person
10 * obtaining a copy of this software and associated documentation
11 * files (the "Software"), to deal in the Software without
12 * restriction, including without limitation the rights to use,
13 * copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following
16 * conditions:
17 *
18 * The above copyright notice and this permission notice shall be
19 * included in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
23 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
25 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
26 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 * OTHER DEALINGS IN THE SOFTWARE.
29 */
30
31#ifndef VBOX_INCLUDED_Graphics_VBoxVideoVBE_h
32#define VBOX_INCLUDED_Graphics_VBoxVideoVBE_h
33#ifndef RT_WITHOUT_PRAGMA_ONCE
34# pragma once
35#endif
36
37/* GUEST <-> HOST Communication API */
38
39/** @todo FIXME: Either dynamicly ask host for this or put somewhere high in
40 * physical memory like 0xE0000000. */
41
42#define VBE_DISPI_BANK_ADDRESS 0xA0000
43#define VBE_DISPI_BANK_SIZE_KB 64
44
45#define VBE_DISPI_MAX_XRES 16384
46#define VBE_DISPI_MAX_YRES 16384
47#define VBE_DISPI_MAX_BPP 32
48
49#define VBE_DISPI_IOPORT_INDEX 0x01CE
50#define VBE_DISPI_IOPORT_DATA 0x01CF
51
52#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8
53#define VBE_DISPI_IOPORT_DAC_DATA 0x03C9
54
55/* Cross reference with src/VBox/Devices/Graphics/DevVGA.h */
56#define VBE_DISPI_INDEX_ID 0x0
57#define VBE_DISPI_INDEX_XRES 0x1
58#define VBE_DISPI_INDEX_YRES 0x2
59#define VBE_DISPI_INDEX_BPP 0x3
60#define VBE_DISPI_INDEX_ENABLE 0x4
61#define VBE_DISPI_INDEX_BANK 0x5
62#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
63#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
64#define VBE_DISPI_INDEX_X_OFFSET 0x8
65#define VBE_DISPI_INDEX_Y_OFFSET 0x9
66#define VBE_DISPI_INDEX_VBOX_VIDEO 0xa
67#define VBE_DISPI_INDEX_FB_BASE_HI 0xb
68#define VBE_DISPI_INDEX_CFG 0xc
69
70#define VBE_DISPI_ID0 0xB0C0
71#define VBE_DISPI_ID1 0xB0C1
72#define VBE_DISPI_ID2 0xB0C2
73#define VBE_DISPI_ID3 0xB0C3
74#define VBE_DISPI_ID4 0xB0C4
75
76#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
77/* The VBOX interface id. Indicates support for VBVA shared memory interface. */
78#define VBE_DISPI_ID_HGSMI 0xBE01
79#define VBE_DISPI_ID_ANYX 0xBE02
80#define VBE_DISPI_ID_CFG 0xBE03 /* VBE_DISPI_INDEX_CFG is available. */
81
82#define VBE_DISPI_DISABLED 0x00
83#define VBE_DISPI_ENABLED 0x01
84#define VBE_DISPI_GETCAPS 0x02
85#define VBE_DISPI_8BIT_DAC 0x20
86/** @note this definition is a BOCHS legacy, used only in the video BIOS
87 * code and ignored by the emulated hardware. */
88#define VBE_DISPI_LFB_ENABLED 0x40
89#define VBE_DISPI_NOCLEARMEM 0x80
90
91/* VBE_DISPI_INDEX_CFG content. */
92#define VBE_DISPI_CFG_MASK_ID 0x0FFF /* Identifier of a configuration value. */
93#define VBE_DISPI_CFG_MASK_SUPPORT 0x1000 /* Query whether the identifier is supported. */
94#define VBE_DISPI_CFG_MASK_RESERVED 0xE000 /* For future extensions. Must be 0. */
95
96/* VBE_DISPI_INDEX_CFG values. */
97#define VBE_DISPI_CFG_ID_VERSION 0x0000 /* Version of the configuration interface. */
98#define VBE_DISPI_CFG_ID_VRAM_SIZE 0x0001 /* VRAM size. */
99#define VBE_DISPI_CFG_ID_3D 0x0002 /* 3D support. */
100#define VBE_DISPI_CFG_ID_VMSVGA 0x0003 /* VMSVGA FIFO and ports are available. */
101#define VBE_DISPI_CFG_ID_VMSVGA_DX 0x0004 /* VGPU10 is enabled. */
102
103#define VGA_PORT_HGSMI_HOST 0x3b0
104#define VGA_PORT_HGSMI_GUEST 0x3d0
105
106#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoVBE_h */
107
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