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Kevin O'Connore1e000b2011-12-31 03:30:40 -05001#ifndef __BOCHSVGA_H
2#define __BOCHSVGA_H
Julian Pidancet8bd766f2011-12-19 05:08:01 +00003
4#include "types.h" // u8
Julian Pidancet8bd766f2011-12-19 05:08:01 +00005
6#define VBE_DISPI_BANK_ADDRESS 0xA0000
7#define VBE_DISPI_BANK_SIZE_KB 64
8
9#define VBE_DISPI_MAX_XRES 2560
10#define VBE_DISPI_MAX_YRES 1600
11
12#define VBE_DISPI_IOPORT_INDEX 0x01CE
13#define VBE_DISPI_IOPORT_DATA 0x01CF
14
15#define VBE_DISPI_INDEX_ID 0x0
16#define VBE_DISPI_INDEX_XRES 0x1
17#define VBE_DISPI_INDEX_YRES 0x2
18#define VBE_DISPI_INDEX_BPP 0x3
19#define VBE_DISPI_INDEX_ENABLE 0x4
20#define VBE_DISPI_INDEX_BANK 0x5
21#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
22#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
23#define VBE_DISPI_INDEX_X_OFFSET 0x8
24#define VBE_DISPI_INDEX_Y_OFFSET 0x9
25#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
26
27#define VBE_DISPI_ID0 0xB0C0
28#define VBE_DISPI_ID1 0xB0C1
29#define VBE_DISPI_ID2 0xB0C2
30#define VBE_DISPI_ID3 0xB0C3
31#define VBE_DISPI_ID4 0xB0C4
32#define VBE_DISPI_ID5 0xB0C5
33
34#define VBE_DISPI_DISABLED 0x00
35#define VBE_DISPI_ENABLED 0x01
36#define VBE_DISPI_GETCAPS 0x02
37#define VBE_DISPI_8BIT_DAC 0x20
38#define VBE_DISPI_LFB_ENABLED 0x40
39#define VBE_DISPI_NOCLEARMEM 0x80
40
41#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
42
Kevin O'Connorc4a0b972012-01-09 20:21:31 -050043struct vgamode_s *bochsvga_find_mode(int mode);
Kevin O'Connor933bb762012-02-01 21:54:55 -050044void bochsvga_list_modes(u16 seg, u16 *dest, u16 *last);
Kevin O'Connor9961f992012-01-21 11:53:44 -050045int bochsvga_get_window(struct vgamode_s *vmode_g, int window);
46int bochsvga_set_window(struct vgamode_s *vmode_g, int window, int val);
Kevin O'Connor3876b532012-01-24 00:07:44 -050047int bochsvga_get_linelength(struct vgamode_s *vmode_g);
48int bochsvga_set_linelength(struct vgamode_s *vmode_g, int val);
Kevin O'Connord61fc532012-01-27 20:37:45 -050049int bochsvga_get_displaystart(struct vgamode_s *vmode_g);
50int bochsvga_set_displaystart(struct vgamode_s *vmode_g, int val);
Kevin O'Connore737b172012-02-04 11:08:39 -050051int bochsvga_get_dacformat(struct vgamode_s *vmode_g);
52int bochsvga_set_dacformat(struct vgamode_s *vmode_g, int val);
Kevin O'Connor2469f892012-02-04 12:40:02 -050053int bochsvga_size_state(int states);
54int bochsvga_save_state(u16 seg, void *data, int states);
55int bochsvga_restore_state(u16 seg, void *data, int states);
Kevin O'Connore6bc4c12012-01-21 11:26:37 -050056int bochsvga_set_mode(struct vgamode_s *vmode_g, int flags);
Kevin O'Connord83c87b2013-01-21 01:14:12 -050057int bochsvga_setup(void);
Kevin O'Connorf1e217d2011-12-31 03:18:18 -050058
Kevin O'Connore1e000b2011-12-31 03:30:40 -050059#endif // bochsvga.h