uapi/linux/screen_info.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef _UAPI_SCREEN_INFO_H
0003 #define _UAPI_SCREEN_INFO_H
0004
0005 #include <linux/types.h>
0006
0007 /*
0008  * These are set up by the setup-routine at boot-time:
0009  */
0010
0011 struct screen_info {
0012     __u8  orig_x;       /* 0x00 */
0013     __u8  orig_y;       /* 0x01 */
0014     __u16 ext_mem_k;    /* 0x02 */
0015     __u16 orig_video_page;  /* 0x04 */
0016     __u8  orig_video_mode;  /* 0x06 */
0017     __u8  orig_video_cols;  /* 0x07 */
0018     __u8  flags;        /* 0x08 */
0019     __u8  unused2;      /* 0x09 */
0020     __u16 orig_video_ega_bx;/* 0x0a */
0021     __u16 unused3;      /* 0x0c */
0022     __u8  orig_video_lines; /* 0x0e */
0023     __u8  orig_video_isVGA; /* 0x0f */
0024     __u16 orig_video_points;/* 0x10 */
0025
0026     /* VESA graphic mode -- linear frame buffer */
0027     __u16 lfb_width;    /* 0x12 */
0028     __u16 lfb_height;   /* 0x14 */
0029     __u16 lfb_depth;    /* 0x16 */
0030     __u32 lfb_base;     /* 0x18 */
0031     __u32 lfb_size;     /* 0x1c */
0032     __u16 cl_magic, cl_offset; /* 0x20 */
0033     __u16 lfb_linelength;   /* 0x24 */
0034     __u8  red_size;     /* 0x26 */
0035     __u8  red_pos;      /* 0x27 */
0036     __u8  green_size;   /* 0x28 */
0037     __u8  green_pos;    /* 0x29 */
0038     __u8  blue_size;    /* 0x2a */
0039     __u8  blue_pos;     /* 0x2b */
0040     __u8  rsvd_size;    /* 0x2c */
0041     __u8  rsvd_pos;     /* 0x2d */
0042     __u16 vesapm_seg;   /* 0x2e */
0043     __u16 vesapm_off;   /* 0x30 */
0044     __u16 pages;        /* 0x32 */
0045     __u16 vesa_attributes;  /* 0x34 */
0046     __u32 capabilities;     /* 0x36 */
0047     __u32 ext_lfb_base; /* 0x3a */
0048     __u8  _reserved[2]; /* 0x3e */
0049 } __attribute__((packed));
0050
0051 #define VIDEO_TYPE_MDA      0x10    /* Monochrome Text Display  */
0052 #define VIDEO_TYPE_CGA      0x11    /* CGA Display          */
0053 #define VIDEO_TYPE_EGAM     0x20    /* EGA/VGA in Monochrome Mode   */
0054 #define VIDEO_TYPE_EGAC     0x21    /* EGA in Color Mode        */
0055 #define VIDEO_TYPE_VGAC     0x22    /* VGA+ in Color Mode       */
0056 #define VIDEO_TYPE_VLFB     0x23    /* VESA VGA in graphic mode */
0057
0058 #define VIDEO_TYPE_PICA_S3  0x30    /* ACER PICA-61 local S3 video  */
0059 #define VIDEO_TYPE_MIPS_G364    0x31    /* MIPS Magnum 4000 G364 video  */
0060 #define VIDEO_TYPE_SGI          0x33    /* Various SGI graphics hardware */
0061
0062 #define VIDEO_TYPE_TGAC     0x40    /* DEC TGA */
0063
0064 #define VIDEO_TYPE_SUN          0x50    /* Sun frame buffer. */
0065 #define VIDEO_TYPE_SUNPCI       0x51    /* Sun PCI based frame buffer. */
0066
0067 #define VIDEO_TYPE_PMAC     0x60    /* PowerMacintosh frame buffer. */
0068
0069 #define VIDEO_TYPE_EFI      0x70    /* EFI graphic mode     */
0070
0071 #define VIDEO_FLAGS_NOCURSOR    (1 << 0) /* The video mode has no cursor set */
0072
0073 #define VIDEO_CAPABILITY_SKIP_QUIRKS    (1 << 0)
0074 #define VIDEO_CAPABILITY_64BIT_BASE (1 << 1)    /* Frame buffer base is 64-bit */
0075
0076 #endif /* _UAPI_SCREEN_INFO_H */