1/*
2 * Copyright (C) 2006-2017 Oracle Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23#ifndef ___VBox_Graphics_VBoxVideoVBE_h
24#define ___VBox_Graphics_VBoxVideoVBE_h
25
26/* GUEST <-> HOST Communication API */
27
28/** @todo FIXME: Either dynamically ask host for this or put somewhere high in
29 *               physical memory like 0xE0000000. */
30
31#define VBE_DISPI_BANK_ADDRESS          0xA0000
32#define VBE_DISPI_BANK_SIZE_KB          64
33
34#define VBE_DISPI_MAX_XRES              16384
35#define VBE_DISPI_MAX_YRES              16384
36#define VBE_DISPI_MAX_BPP               32
37
38#define VBE_DISPI_IOPORT_INDEX          0x01CE
39#define VBE_DISPI_IOPORT_DATA           0x01CF
40
41#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX  0x03C8
42#define VBE_DISPI_IOPORT_DAC_DATA         0x03C9
43
44#define VBE_DISPI_INDEX_ID              0x0
45#define VBE_DISPI_INDEX_XRES            0x1
46#define VBE_DISPI_INDEX_YRES            0x2
47#define VBE_DISPI_INDEX_BPP             0x3
48#define VBE_DISPI_INDEX_ENABLE          0x4
49#define VBE_DISPI_INDEX_BANK            0x5
50#define VBE_DISPI_INDEX_VIRT_WIDTH      0x6
51#define VBE_DISPI_INDEX_VIRT_HEIGHT     0x7
52#define VBE_DISPI_INDEX_X_OFFSET        0x8
53#define VBE_DISPI_INDEX_Y_OFFSET        0x9
54#define VBE_DISPI_INDEX_VBOX_VIDEO      0xa
55#define VBE_DISPI_INDEX_FB_BASE_HI      0xb
56
57#define VBE_DISPI_ID0                   0xB0C0
58#define VBE_DISPI_ID1                   0xB0C1
59#define VBE_DISPI_ID2                   0xB0C2
60#define VBE_DISPI_ID3                   0xB0C3
61#define VBE_DISPI_ID4                   0xB0C4
62
63#define VBE_DISPI_ID_VBOX_VIDEO         0xBE00
64/* The VBOX interface id. Indicates support for VBVA shared memory interface. */
65#define VBE_DISPI_ID_HGSMI              0xBE01
66#define VBE_DISPI_ID_ANYX               0xBE02
67
68#define VBE_DISPI_DISABLED              0x00
69#define VBE_DISPI_ENABLED               0x01
70#define VBE_DISPI_GETCAPS               0x02
71#define VBE_DISPI_8BIT_DAC              0x20
72/** @note this definition is a BOCHS legacy, used only in the video BIOS
73 *        code and ignored by the emulated hardware. */
74#define VBE_DISPI_LFB_ENABLED           0x40
75#define VBE_DISPI_NOCLEARMEM            0x80
76
77#define VGA_PORT_HGSMI_HOST             0x3b0
78#define VGA_PORT_HGSMI_GUEST            0x3d0
79
80#endif /* !___VBox_Graphics_VBoxVideoVBE_h */
81
82