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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /* ----------------------------------------------------------------------- *
- *
- * Copyright 1999-2007 H. Peter Anvin - All Rights Reserved
- *
- * ----------------------------------------------------------------------- */
- #ifndef BOOT_VESA_H
- #define BOOT_VESA_H
- typedef struct {
- u16 off, seg;
- } far_ptr;
- /* VESA General Information table */
- struct vesa_general_info {
- u32 signature; /* 0 Magic number = "VESA" */
- u16 version; /* 4 */
- far_ptr vendor_string; /* 6 */
- u32 capabilities; /* 10 */
- far_ptr video_mode_ptr; /* 14 */
- u16 total_memory; /* 18 */
- u8 reserved[236]; /* 20 */
- } __attribute__ ((packed));
- #define VESA_MAGIC ('V' + ('E' << 8) + ('S' << 16) + ('A' << 24))
- struct vesa_mode_info {
- u16 mode_attr; /* 0 */
- u8 win_attr[2]; /* 2 */
- u16 win_grain; /* 4 */
- u16 win_size; /* 6 */
- u16 win_seg[2]; /* 8 */
- far_ptr win_scheme; /* 12 */
- u16 logical_scan; /* 16 */
- u16 h_res; /* 18 */
- u16 v_res; /* 20 */
- u8 char_width; /* 22 */
- u8 char_height; /* 23 */
- u8 memory_planes; /* 24 */
- u8 bpp; /* 25 */
- u8 banks; /* 26 */
- u8 memory_layout; /* 27 */
- u8 bank_size; /* 28 */
- u8 image_planes; /* 29 */
- u8 page_function; /* 30 */
- u8 rmask; /* 31 */
- u8 rpos; /* 32 */
- u8 gmask; /* 33 */
- u8 gpos; /* 34 */
- u8 bmask; /* 35 */
- u8 bpos; /* 36 */
- u8 resv_mask; /* 37 */
- u8 resv_pos; /* 38 */
- u8 dcm_info; /* 39 */
- u32 lfb_ptr; /* 40 Linear frame buffer address */
- u32 offscreen_ptr; /* 44 Offscreen memory address */
- u16 offscreen_size; /* 48 */
- u8 reserved[206]; /* 50 */
- } __attribute__ ((packed));
- #endif /* LIB_SYS_VESA_H */
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