x86/boot/video.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* -*- linux-c -*- ------------------------------------------------------- *
5  *   Copyright 2007 rPath, Inc. - All Rights Reserved
7  * ----------------------------------------------------------------------- */
10  * Header file for the real-mode video probing code
19  * This code uses an extended set of video mode numbers. These include:
21  *      NORMAL_VGA (-1)
22  *      EXTENDED_VGA (-2)
23  *      ASK_VGA (-3)
24  * Video modes numbered by menu position -- NOT RECOMMENDED because of lack
29 /* Standard BIOS video modes (BIOS number + 0x0100) */
32 /* VESA BIOS video modes (VESA number + 0x0200) */
38 /* Special video modes */
51 /* Video modes given by resolution */
61  * Mode table structures
65 	u16 mode;		/* Mode number (vga= style) */  member
67 	u16 depth;		/* Bits per pixel, 0 for text mode */
72 	int (*set_mode)(struct mode_info *mode);
78 	u16 xmode_n;		/* Size of unprobed mode range */
84 int mode_defined(u16 mode);	/* video.c */
86 /* Basic video information */
94 extern int graphic_mode;	/* Graphics mode with linear frame buffer */
116 u16 vga_crtc(void);		/* video-vga.c */