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| author | Kevin O'Connor <kevin@koconnor.net> | 2014-10-23 16:24:36 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2014-10-27 11:03:12 -0400 |
| commit | 63977905a05fe36deac4aee9ef28bec8a13be402 (patch) | |
| tree | 4a8bd5b041b9772a5773f7c64eee08a96ae1537e /src/std | |
| parent | c5acee4d8da81b915f587586280d84d347b1e7df (diff) | |
| download | seabios-63977905a05fe36deac4aee9ef28bec8a13be402.tar.gz | |
vgabios: Move standard table definitions to std/vga.h
Move the standard video bios definitions into a new header file.
Also, define a struct with the layout for the static functionality
table.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/std')
| -rw-r--r-- | src/std/vga.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/std/vga.h b/src/std/vga.h new file mode 100644 index 00000000..de9ec750 --- /dev/null +++ b/src/std/vga.h @@ -0,0 +1,63 @@ +#ifndef __VGA_H +#define __VGA_H +// Standard structure definitions for vgabios video tables + +#include "types.h" // u8 + +// standard BIOS Video Parameter Table +struct video_param_s { + u8 twidth; + u8 theightm1; + u8 cheight; + u16 slength; + u8 sequ_regs[4]; + u8 miscreg; + u8 crtc_regs[25]; + u8 actl_regs[20]; + u8 grdc_regs[9]; +} PACKED; + +// Standard Video Save Pointer Table +struct video_save_pointer_s { + struct segoff_s videoparam; + struct segoff_s paramdynamicsave; + struct segoff_s textcharset; + struct segoff_s graphcharset; + struct segoff_s secsavepointer; + u8 reserved[8]; +} PACKED; + +// Data returned by int101B +struct video_func_static { + u32 modes; + u8 reserved_0x04[3]; + u8 scanlines; + u8 cblocks; + u8 active_cblocks; + u16 misc_flags; + u8 reserved_0x0c[2]; + u8 save_flags; + u8 reserved_0x0f; +} PACKED; + +struct video_func_info { + struct segoff_s static_functionality; + u8 bda_0x49[30]; + u8 bda_0x84[3]; + u8 dcc_index; + u8 dcc_alt; + u16 colors; + u8 pages; + u8 scan_lines; + u8 primary_char; + u8 secondar_char; + u8 misc; + u8 non_vga_mode; + u8 reserved_2f[2]; + u8 video_mem; + u8 save_flags; + u8 disp_info; + u8 reserved_34[12]; +} PACKED; + +#endif // vga.h |