58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
#ifndef __BOCHSVGA_H
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#define __BOCHSVGA_H
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#include "types.h" // u8
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#define VBE_DISPI_BANK_ADDRESS 0xA0000
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#define VBE_DISPI_BANK_SIZE_KB 64
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#define VBE_DISPI_MAX_XRES 2560
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#define VBE_DISPI_MAX_YRES 1600
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#define VBE_DISPI_IOPORT_INDEX 0x01CE
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#define VBE_DISPI_IOPORT_DATA 0x01CF
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#define VBE_DISPI_INDEX_ID 0x0
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#define VBE_DISPI_INDEX_XRES 0x1
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#define VBE_DISPI_INDEX_YRES 0x2
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#define VBE_DISPI_INDEX_BPP 0x3
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#define VBE_DISPI_INDEX_ENABLE 0x4
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#define VBE_DISPI_INDEX_BANK 0x5
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#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
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#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
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#define VBE_DISPI_INDEX_X_OFFSET 0x8
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#define VBE_DISPI_INDEX_Y_OFFSET 0x9
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#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
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#define VBE_DISPI_ID0 0xB0C0
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#define VBE_DISPI_ID1 0xB0C1
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#define VBE_DISPI_ID2 0xB0C2
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#define VBE_DISPI_ID3 0xB0C3
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#define VBE_DISPI_ID4 0xB0C4
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#define VBE_DISPI_ID5 0xB0C5
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#define VBE_DISPI_DISABLED 0x00
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#define VBE_DISPI_ENABLED 0x01
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#define VBE_DISPI_GETCAPS 0x02
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#define VBE_DISPI_8BIT_DAC 0x20
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#define VBE_DISPI_LFB_ENABLED 0x40
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#define VBE_DISPI_NOCLEARMEM 0x80
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#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
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struct vgamode_s *bochsvga_find_mode(int mode);
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void bochsvga_list_modes(u16 seg, u16 *dest, u16 *last);
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int bochsvga_get_window(struct vgamode_s *curmode_g, int window);
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int bochsvga_set_window(struct vgamode_s *curmode_g, int window, int val);
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int bochsvga_get_linelength(struct vgamode_s *curmode_g);
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int bochsvga_set_linelength(struct vgamode_s *curmode_g, int val);
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int bochsvga_get_displaystart(struct vgamode_s *curmode_g);
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int bochsvga_set_displaystart(struct vgamode_s *curmode_g, int val);
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int bochsvga_get_dacformat(struct vgamode_s *curmode_g);
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int bochsvga_set_dacformat(struct vgamode_s *curmode_g, int val);
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int bochsvga_save_restore(int cmd, u16 seg, void *data);
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int bochsvga_set_mode(struct vgamode_s *vmode_g, int flags);
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int bochsvga_setup(void);
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#endif // bochsvga.h
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