1 /* SPDX-License-Identifier: MIT */
2 /* Copyright (C) 2006-2016 Oracle Corporation */
4 #ifndef __VBOXVIDEO_VBE_H__
5 #define __VBOXVIDEO_VBE_H__
7 /* GUEST <-> HOST Communication API */
9 #define VBE_DISPI_BANK_ADDRESS 0xA0000
10 #define VBE_DISPI_BANK_SIZE_KB 64
12 #define VBE_DISPI_MAX_XRES 16384
13 #define VBE_DISPI_MAX_YRES 16384
14 #define VBE_DISPI_MAX_BPP 32
16 #define VBE_DISPI_IOPORT_INDEX 0x01CE
17 #define VBE_DISPI_IOPORT_DATA 0x01CF
19 #define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8
20 #define VBE_DISPI_IOPORT_DAC_DATA 0x03C9
22 #define VBE_DISPI_INDEX_ID 0x0
23 #define VBE_DISPI_INDEX_XRES 0x1
24 #define VBE_DISPI_INDEX_YRES 0x2
25 #define VBE_DISPI_INDEX_BPP 0x3
26 #define VBE_DISPI_INDEX_ENABLE 0x4
27 #define VBE_DISPI_INDEX_BANK 0x5
28 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
29 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
30 #define VBE_DISPI_INDEX_X_OFFSET 0x8
31 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
32 #define VBE_DISPI_INDEX_VBOX_VIDEO 0xa
33 #define VBE_DISPI_INDEX_FB_BASE_HI 0xb
35 #define VBE_DISPI_ID0 0xB0C0
36 #define VBE_DISPI_ID1 0xB0C1
37 #define VBE_DISPI_ID2 0xB0C2
38 #define VBE_DISPI_ID3 0xB0C3
39 #define VBE_DISPI_ID4 0xB0C4
41 #define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
42 /* The VBOX interface id. Indicates support for VBVA shared memory interface. */
43 #define VBE_DISPI_ID_HGSMI 0xBE01
44 #define VBE_DISPI_ID_ANYX 0xBE02
46 #define VBE_DISPI_DISABLED 0x00
47 #define VBE_DISPI_ENABLED 0x01
48 #define VBE_DISPI_GETCAPS 0x02
49 #define VBE_DISPI_8BIT_DAC 0x20
51 #define VGA_PORT_HGSMI_HOST 0x3b0
52 #define VGA_PORT_HGSMI_GUEST 0x3d0