linux-headers (unknown)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _SCREEN_INFO_H
3 #define _SCREEN_INFO_H
4
5 #include <linux/types.h>
6
7 /*
8 * These are set up by the setup-routine at boot-time:
9 */
10
11 struct screen_info {
12 __u8 orig_x; /* 0x00 */
13 __u8 orig_y; /* 0x01 */
14 __u16 ext_mem_k; /* 0x02 */
15 __u16 orig_video_page; /* 0x04 */
16 __u8 orig_video_mode; /* 0x06 */
17 __u8 orig_video_cols; /* 0x07 */
18 __u8 flags; /* 0x08 */
19 __u8 unused2; /* 0x09 */
20 __u16 orig_video_ega_bx;/* 0x0a */
21 __u16 unused3; /* 0x0c */
22 __u8 orig_video_lines; /* 0x0e */
23 __u8 orig_video_isVGA; /* 0x0f */
24 __u16 orig_video_points;/* 0x10 */
25
26 /* VESA graphic mode -- linear frame buffer */
27 __u16 lfb_width; /* 0x12 */
28 __u16 lfb_height; /* 0x14 */
29 __u16 lfb_depth; /* 0x16 */
30 __u32 lfb_base; /* 0x18 */
31 __u32 lfb_size; /* 0x1c */
32 __u16 cl_magic, cl_offset; /* 0x20 */
33 __u16 lfb_linelength; /* 0x24 */
34 __u8 red_size; /* 0x26 */
35 __u8 red_pos; /* 0x27 */
36 __u8 green_size; /* 0x28 */
37 __u8 green_pos; /* 0x29 */
38 __u8 blue_size; /* 0x2a */
39 __u8 blue_pos; /* 0x2b */
40 __u8 rsvd_size; /* 0x2c */
41 __u8 rsvd_pos; /* 0x2d */
42 __u16 vesapm_seg; /* 0x2e */
43 __u16 vesapm_off; /* 0x30 */
44 __u16 pages; /* 0x32 */
45 __u16 vesa_attributes; /* 0x34 */
46 __u32 capabilities; /* 0x36 */
47 __u32 ext_lfb_base; /* 0x3a */
48 __u8 _reserved[2]; /* 0x3e */
49 } __attribute__((packed));
50
51 #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
52 #define VIDEO_TYPE_CGA 0x11 /* CGA Display */
53 #define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */
54 #define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */
55 #define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */
56 #define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */
57
58 #define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */
59 #define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */
60 #define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */
61
62 #define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */
63
64 #define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */
65 #define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */
66
67 #define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */
68
69 #define VIDEO_TYPE_EFI 0x70 /* EFI graphic mode */
70
71 #define VIDEO_FLAGS_NOCURSOR (1 << 0) /* The video mode has no cursor set */
72
73 #define VIDEO_CAPABILITY_SKIP_QUIRKS (1 << 0)
74 #define VIDEO_CAPABILITY_64BIT_BASE (1 << 1) /* Frame buffer base is 64-bit */
75
76 #endif /* _SCREEN_INFO_H */
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