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https://github.com/CloverHackyColor/CloverBootloader.git
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103 lines
2.0 KiB
C
103 lines
2.0 KiB
C
/*
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* gma_resolution.h
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*
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*
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* Created by Le Bidou on 19/03/10.
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* Copyright 2010 ---. All rights reserved.
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*
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*/
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#ifndef _GMA_RESOLUTION_H_
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#define _GMA_RESOLTUION_H_
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#include "libsaio.h"
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#include "autoresolution.h"
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#define MODE_TABLE_OFFSET_845G 617
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#define INTEL_SIGNATURE "Intel Corp"
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typedef struct {
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UInt8 mode;
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UInt8 bits_per_pixel;
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UInt16 resolution;
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UInt8 unknown;
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} __attribute__((packed)) vbios_mode;
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typedef struct {
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UInt8 unknow1[2];
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UInt8 x1;
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UInt8 x_total;
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UInt8 x2;
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UInt8 y1;
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UInt8 y_total;
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UInt8 y2;
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} __attribute__((packed)) vbios_resolution_type1;
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typedef struct {
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unsigned long clock;
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UInt16 x1;
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UInt16 htotal;
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UInt16 x2;
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UInt16 hblank;
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UInt16 hsyncstart;
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UInt16 hsyncend;
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UInt16 y1;
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UInt16 vtotal;
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UInt16 y2;
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UInt16 vblank;
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UInt16 vsyncstart;
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UInt16 vsyncend;
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} __attribute__((packed)) vbios_modeline_type2;
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typedef struct {
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UInt8 xchars;
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UInt8 ychars;
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UInt8 unknown[4];
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vbios_modeline_type2 modelines[];
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} __attribute__((packed)) vbios_resolution_type2;
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typedef struct {
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unsigned long clock;
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UInt16 x1;
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UInt16 htotal;
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UInt16 x2;
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UInt16 hblank;
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UInt16 hsyncstart;
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UInt16 hsyncend;
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UInt16 y1;
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UInt16 vtotal;
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UInt16 y2;
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UInt16 vblank;
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UInt16 vsyncstart;
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UInt16 vsyncend;
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UInt16 timing_h;
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UInt16 timing_v;
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UInt8 unknown[6];
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} __attribute__((packed)) vbios_modeline_type3;
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typedef struct {
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unsigned char unknown[6];
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vbios_modeline_type3 modelines[];
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} __attribute__((packed)) vbios_resolution_type3;
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vbios_resolution_type1 * map_type1_resolution(vbios_map * map, UInt16 res);
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vbios_resolution_type2 * map_type2_resolution(vbios_map * map, UInt16 res);
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vbios_resolution_type3 * map_type3_resolution(vbios_map * map, UInt16 res);
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char detect_bios_type(vbios_map * map, char modeline, int entry_size);
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vbios_map * open_intel_vbios(vbios_map *);
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bool intel_set_mode_1(vbios_map* map, UInt8 idx, UInt32* x, UInt32* y);
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bool intel_set_mode_2(vbios_map* map, UInt8 idx, UInt32* x, UInt32* y);
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bool intel_set_mode_3(vbios_map* map, UInt8 idx, UInt32* x, UInt32* y);
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#endif |