xref: /linux/drivers/gpu/drm/vboxvideo/vboxvideo_vbe.h (revision 95298d63c67673c654c08952672d016212b26054)
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