1/* SPDX-License-Identifier: MIT */
2/* Copyright (C) 2006-2016 Oracle Corporation */
3
4#ifndef __VBOXVIDEO_VBE_H__
5#define __VBOXVIDEO_VBE_H__
6
7/* GUEST <-> HOST Communication API */
8
9#define VBE_DISPI_BANK_ADDRESS 0xA0000
10#define VBE_DISPI_BANK_SIZE_KB 64
11
12#define VBE_DISPI_MAX_XRES 16384
13#define VBE_DISPI_MAX_YRES 16384
14#define VBE_DISPI_MAX_BPP 32
15
16#define VBE_DISPI_IOPORT_INDEX 0x01CE
17#define VBE_DISPI_IOPORT_DATA 0x01CF
18
19#define VBE_DISPI_IOPORT_DAC_WRITE_INDEX 0x03C8
20#define VBE_DISPI_IOPORT_DAC_DATA 0x03C9
21
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
34
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
40
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
45
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
50
51#define VGA_PORT_HGSMI_HOST 0x3b0
52#define VGA_PORT_HGSMI_GUEST 0x3d0
53
54#endif
55

source code of linux/drivers/gpu/drm/vboxvideo/vboxvideo_vbe.h