mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-10 14:23:31 +01:00
234 lines
4.4 KiB
C
234 lines
4.4 KiB
C
|
/*
|
||
|
* 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
|