xref: /openbmc/linux/include/uapi/linux/screen_info.h (revision 6f52b16c)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_SCREEN_INFO_H
3 #define _UAPI_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 /* _UAPI_SCREEN_INFO_H */
77