CloverBootloader/Trash/Resolutions.h

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/*
* resolution.h
*
*
* Created by Evan Lojewski on 3/4/10.
* Copyright 2009. All rights reserved.
*
*/
#ifndef __RESOLUTION_H
#define __RESOLUTION_H
//#include "AtomBios.h"
#include <IndustryStandard/AtomBios.h>
#include "edid.h"
//Slice - moved to edid.h
/*
typedef struct _edid_mode {
unsigned short pixel_clock;
unsigned short h_active;
unsigned short h_blanking;
unsigned short v_active;
unsigned short v_blanking;
unsigned short h_sync_offset;
unsigned short h_sync_width;
unsigned short v_sync_offset;
unsigned short v_sync_width;
} edid_mode;
*/
void patchVideoBios();
/* Copied from 915 resolution created by steve tomljenovic
*
* This code is based on the techniques used in :
*
* - 855patch. Many thanks to Christian Zietz (czietz gmx net)
* for demonstrating how to shadow the VBIOS into system RAM
* and then modify it.
*
* - 1280patch by Andrew Tipton (andrewtipton null li).
*
* - 855resolution by Alain Poirier
*
* This source code is into the public domain.
*/
#define VBIOS_START 0xc0000
#define VBIOS_SIZE 0x10000
#define FALSE 0
#define TRUE 1
#define MODE_TABLE_OFFSET_845G 617
#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"
#define ATI_SIGNATURE2 "ATI Technologies Inc"
#define NVIDIA_SIGNATURE "NVIDIA Corp"
#define INTEL_SIGNATURE "Intel Corp"
/*
* NVidia Defines and structures
*/
#define OFFSET_TO_VESA_TABLE_INDEX 2
typedef struct {
unsigned char ucTable_Major;
unsigned char ucTable_Minor;
unsigned char ucTable_Rev;
unsigned short usTable_Size;
} NV_COMMON_TABLE_HEADER;
typedef struct {
short reserved1;
short reserved2;
short reserved3;
} NV_RESERVED;
typedef struct {
unsigned short usPixel_Clock;
unsigned short usH_Active;
NV_RESERVED reserved1;
unsigned short usH_SyncStart;
unsigned short usH_SyncEnd;
unsigned short usH_Total;
unsigned short usV_Active;
NV_RESERVED reserved2;
unsigned short usV_SyncStart;
unsigned short usV_SyncEnd;
unsigned short usV_Total;
unsigned short reserved3;
} NV_MODELINE;
typedef struct {
NV_COMMON_TABLE_HEADER sHeader;
NV_MODELINE * sModelines;
} NV_VESA_TABLE;
/*---*/
typedef enum {
CT_UNKNOWN, CT_UNKNOWN_INTEL, CT_830, CT_845G, CT_855GM, CT_865G,
CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ,
CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X,
CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,
CT_GM45, CT_G41, CT_G31, CT_G45, CT_500, CT_3150
} chipset_type;
typedef enum {
BT_UNKNOWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA, BT_INTEL
} bios_type;
typedef struct {
char *base;
ATOM_ROM_HEADER *AtomRomHeader;
unsigned short *MasterCommandTables;
unsigned short *MasterDataTables;
} bios_tables_t;
typedef struct {
UInt8 mode;
UInt8 bits_per_pixel;
UInt16 resolution;
UInt8 unknown;
} __attribute__((packed)) vbios_mode;
typedef struct {
UInt8 unknow1[2];
UInt8 x1;
UInt8 x_total;
UInt8 x2;
UInt8 y1;
UInt8 y_total;
UInt8 y2;
} __attribute__((packed)) vbios_resolution_type1;
typedef struct {
unsigned long clock;
UInt16 x1;
UInt16 htotal;
UInt16 x2;
UInt16 hblank;
UInt16 hsyncstart;
UInt16 hsyncend;
UInt16 y1;
UInt16 vtotal;
UInt16 y2;
UInt16 vblank;
UInt16 vsyncstart;
UInt16 vsyncend;
} __attribute__((packed)) vbios_modeline_type2;
typedef struct {
UInt8 xchars;
UInt8 ychars;
UInt8 unknown[4];
vbios_modeline_type2 modelines[];
} __attribute__((packed)) vbios_resolution_type2;
typedef struct {
unsigned long clock;
UInt16 x1;
UInt16 htotal;
UInt16 x2;
UInt16 hblank;
UInt16 hsyncstart;
UInt16 hsyncend;
UInt16 y1;
UInt16 vtotal;
UInt16 y2;
UInt16 vblank;
UInt16 vsyncstart;
UInt16 vsyncend;
UInt16 timing_h;
UInt16 timing_v;
UInt8 unknown[6];
} __attribute__((packed)) vbios_modeline_type3;
typedef struct {
unsigned char unknown[6];
vbios_modeline_type3 modelines[];
} __attribute__((packed)) vbios_resolution_type3;
typedef struct {
UInt32 chipset_id;
chipset_type chipset;
bios_type bios;
bios_tables_t ati_tables;
UInt32 bios_fd;
char* bios_ptr;
vbios_mode * mode_table;
char * ati_mode_table;
char * nv_mode_table;
UInt32 mode_table_size;
UInt8 b1, b2;
UInt8 unlocked;
} vbios_map;
vbios_map * open_vbios(chipset_type);
void close_vbios (vbios_map*);
void unlock_vbios(vbios_map*);
void relock_vbios(vbios_map*);
void set_mode(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);
#endif //__RESOLUTION_H