mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
269 lines
4.9 KiB
C
269 lines
4.9 KiB
C
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/*
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* resolution.h
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*
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*
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* Created by Evan Lojewski on 3/4/10.
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* Copyright 2009. All rights reserved.
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*
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*/
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#ifndef __RESOLUTION_H
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#define __RESOLUTION_H
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//#include "shortatombios.h"
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//#include <IndustryStandard/AtomBios.h>
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//#include "edid.h"
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//Slice - moved to edid.h
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/*
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typedef struct _edid_mode {
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UINT16 pixel_clock;
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UINT16 h_active;
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UINT16 h_blanking;
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UINT16 v_active;
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UINT16 v_blanking;
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UINT16 h_sync_offset;
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UINT16 h_sync_width;
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UINT16 v_sync_offset;
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UINT16 v_sync_width;
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} edid_mode;
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*/
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VOID patchVideoBios();
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/* Copied from 915 resolution created by steve tomljenovic
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*
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* This code is based on the techniques used in :
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*
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* - 855patch. Many thanks to Christian Zietz (czietz gmx net)
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* for demonstrating how to shadow the VBIOS into system RAM
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* and then modify it.
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*
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* - 1280patch by Andrew Tipton (andrewtipton null li).
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*
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* - 855resolution by Alain Poirier
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*
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* This source code is into the public domain.
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*/
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#define VBIOS_START 0xc0000
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#define VBIOS_SIZE 0x10000
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#define MODE_TABLE_OFFSET_845G 617
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#define ATI_SIGNATURE1 "ATI MOBILITY RADEON"
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#define ATI_SIGNATURE2 "ATI Technologies Inc"
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#define NVIDIA_SIGNATURE "NVIDIA Corp"
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#define INTEL_SIGNATURE "Intel Corp"
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#pragma pack(1)
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/*
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* NVidia Defines and structures
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*/
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#define OFFSET_TO_VESA_TABLE_INDEX 2
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typedef struct {
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UINT8 ucTable_Major;
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UINT8 ucTable_Minor;
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UINT8 ucTable_Rev;
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UINT16 usTable_Size;
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} NV_COMMON_TABLE_HEADER;
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typedef struct {
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INT16 reserved1;
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INT16 reserved2;
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INT16 reserved3;
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} NV_RESERVED;
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typedef struct {
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UINT16 usPixel_Clock;
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UINT16 usH_Active;
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NV_RESERVED reserved1;
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UINT16 usH_SyncStart;
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UINT16 usH_SyncEnd;
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UINT16 usH_Total;
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UINT16 usV_Active;
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NV_RESERVED reserved2;
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UINT16 usV_SyncStart;
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UINT16 usV_SyncEnd;
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UINT16 usV_Total;
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UINT16 reserved3;
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} NV_MODELINE;
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typedef struct {
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NV_COMMON_TABLE_HEADER sHeader;
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NV_MODELINE * sModelines;
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} NV_VESA_TABLE;
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typedef struct {
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UINT16 HRes;
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UINT16 VRes;
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} TABLE_0;
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typedef struct {
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UINT8 Ratio; //0->16:10, 1->4:3, 2->5:4, 3->16:9
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UINT8 Matrix[17];
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} TABLE_A;
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typedef struct {
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UINT8 Ratio; //0->16:10, 1->4:3, 2->5:4, 3->16:9
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UINT8 Matrix[9];
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} TABLE_B;
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typedef struct {
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UINT8 Ratio; //0->16:10, 1->4:3, 2->5:4, 3->16:9
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UINT8 Matrix[13];
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} TABLE_D;
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typedef struct {
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UINT8 Ratio; //0->16:10, 1->4:3, 2->5:4, 3->16:9
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UINT8 Matrix[5];
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} TABLE_LIMIT;
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/*---*/
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typedef enum {
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CT_UNKNOWN, CT_UNKNOWN_INTEL, CT_830, CT_845G, CT_855GM, CT_865G,
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CT_915G, CT_915GM, CT_945G, CT_945GM, CT_945GME, CT_946GZ,
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CT_955X, CT_G965, CT_Q965, CT_965GM, CT_975X,
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CT_P35, CT_X48, CT_B43, CT_Q45, CT_P45,
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CT_GM45, CT_G41, CT_G31, CT_G45, CT_500, CT_3150
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} chipset_type;
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typedef enum {
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BT_UNKNOWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA, BT_INTEL
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} bios_type;
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typedef struct {
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CHAR8 *base;
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ATOM_ROM_HEADER *AtomRomHeader;
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UINT16 *MasterCommandTables;
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UINT16 *MasterDataTables;
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} bios_tables_t;
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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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} 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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} vbios_resolution_type1;
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typedef struct {
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UINT32 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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} 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[1];
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} vbios_resolution_type2;
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typedef struct {
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UINT32 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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} vbios_modeline_type3;
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typedef struct {
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UINT8 unknown[6];
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vbios_modeline_type3 modelines[1];
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} vbios_resolution_type3;
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#pragma pack()
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typedef struct {
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UINT32 chipset_id;
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chipset_type chipset;
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bios_type bios;
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bios_tables_t ati_tables;
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UINT32 bios_fd;
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CHAR8* bios_ptr;
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vbios_mode * mode_table;
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CHAR8 * ati_mode_table;
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CHAR8 * nv_mode_table;
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UINT32 mode_table_size;
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UINT8 b1, b2;
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UINT8 unlocked;
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} vbios_map;
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vbios_map * open_vbios(chipset_type);
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VOID close_vbios (vbios_map*);
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VOID unlock_vbios(vbios_map*);
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VOID relock_vbios(vbios_map*);
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VOID set_mode(vbios_map*, UINT32, UINT32, UINT32, UINT32, UINT32);
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UINTN VideoBiosPatchSearchAndReplace (
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IN UINT8 *Source,
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IN UINTN SourceSize,
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IN UINT8 *Search,
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IN UINTN SearchSize,
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IN UINT8 *Replace,
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IN INTN MaxReplaces
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);
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#endif //__RESOLUTION_H
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