Chameleon

Chameleon Commit Details

Date:2010-03-16 15:53:14 (14 years 1 month ago)
Author:DieBuche
Commit:128
Parents: 127
Message:Sry, meant to apply it to my branch
Changes:
D/trunk/i386/libsaio/915resolution.c
D/trunk/i386/libsaio/shortatombios.h
D/trunk/i386/libsaio/edid.c
D/trunk/i386/libsaio/915resolution.h
D/trunk/i386/libsaio/edid.h
M/trunk/i386/libsaio/vbe.h
M/trunk/i386/boot2/graphics.c
M/trunk/i386/boot2/boot.c
M/trunk/i386/boot2/gui.c
M/trunk/i386/boot2/graphics.h
M/trunk/i386/boot2/boot.h
M/trunk/i386/libsaio/Makefile
M/trunk/i386/libsaio/vbe.c

File differences

trunk/i386/libsaio/shortatombios.h
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/****************************************************************************/␉␊
/*Portion I: Definitions shared between VBIOS and Driver */␊
/****************************************************************************/␊
␊
␊
#ifndef _SHORT_ATOMBIOS_H␊
#define _SHORT_ATOMBIOS_H␊
␊
#define ATOM_VERSION_MAJOR 0x00020000␊
#define ATOM_VERSION_MINOR 0x00000002␊
␊
#define ATOM_HEADER_VERSION (ATOM_VERSION_MAJOR | ATOM_VERSION_MINOR)␊
␊
typedef unsigned char␉␉BOOLEAN;␊
typedef signed char␉␉␉INT8;␊
typedef unsigned char␉␉UINT8;␊
typedef signed short␉␉INT16;␊
typedef unsigned short␉␉UINT16;␊
typedef signed long␉␉␉INT32;␊
typedef unsigned long␉␉UINT32;␊
typedef unsigned char␉␉CHAR8;␊
typedef unsigned short␉␉CHAR16;␊
typedef unsigned short␉␉USHORT;␊
typedef unsigned char␉␉UCHAR;␊
typedef␉unsigned long␉␉ULONG;␊
␊
#pragma pack(1) /* BIOS data must use byte aligment */␊
␊
/* Define offset to location of ROM header. */␊
␊
#define OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER␉␉0x00000048L␊
#define OFFSET_TO_ATOM_ROM_IMAGE_SIZE␉␉␉␉ 0x00000002L␊
␊
typedef struct _ATOM_COMMON_TABLE_HEADER␊
{␊
USHORT usStructureSize;␊
UCHAR ucTableFormatRevision; /*Change it when the Parser is not backward compatible */␊
UCHAR ucTableContentRevision; /*Change it only when the table needs to change but the firmware */␊
/*Image can't be updated, while Driver needs to carry the new table! */␊
}ATOM_COMMON_TABLE_HEADER;␊
␊
typedef struct _ATOM_ROM_HEADER␊
{␊
ATOM_COMMON_TABLE_HEADER␉␉sHeader;␊
UCHAR␉ uaFirmWareSignature[4]; /*Signature to distinguish between Atombios and non-atombios, ␊
atombios should init it as "ATOM", don't change the position */␊
USHORT usBiosRuntimeSegmentAddress;␊
USHORT usProtectedModeInfoOffset;␊
USHORT usConfigFilenameOffset;␊
USHORT usCRC_BlockOffset;␊
USHORT usBIOS_BootupMessageOffset;␊
USHORT usInt10Offset;␊
USHORT usPciBusDevInitCode;␊
USHORT usIoBaseAddress;␊
USHORT usSubsystemVendorID;␊
USHORT usSubsystemID;␊
USHORT usPCI_InfoOffset; ␊
USHORT usMasterCommandTableOffset; /*Offset for SW to get all command table offsets, Don't change the position */␊
USHORT usMasterDataTableOffset; /*Offset for SW to get all data table offsets, Don't change the position */␊
UCHAR ucExtendedFunctionCode;␊
UCHAR ucReserved;␊
}ATOM_ROM_HEADER;␊
␊
/****************************************************************************/␉␊
// Structure used in Data.mtb␊
/****************************************************************************/␉␊
typedef struct _ATOM_MASTER_LIST_OF_DATA_TABLES␊
{␊
USHORT UtilityPipeLine;␉ // Offest for the utility to get parser info,Don't change this position!␊
USHORT MultimediaCapabilityInfo; // Only used by MM Lib,latest version 1.1, not configuable from Bios, need to include the table to build Bios ␊
USHORT MultimediaConfigInfo; // Only used by MM Lib,latest version 2.1, not configuable from Bios, need to include the table to build Bios␊
USHORT StandardVESA_Timing; // Only used by Bios␊
USHORT FirmwareInfo; // Shared by various SW components,latest version 1.4␊
USHORT DAC_Info; // Will be obsolete from R600␊
USHORT LVDS_Info; // Shared by various SW components,latest version 1.1 ␊
USHORT TMDS_Info; // Will be obsolete from R600␊
USHORT AnalogTV_Info; // Shared by various SW components,latest version 1.1 ␊
USHORT SupportedDevicesInfo; // Will be obsolete from R600␊
USHORT GPIO_I2C_Info; // Shared by various SW components,latest version 1.2 will be used from R600 ␊
USHORT VRAM_UsageByFirmware; // Shared by various SW components,latest version 1.3 will be used from R600␊
USHORT GPIO_Pin_LUT; // Shared by various SW components,latest version 1.1␊
USHORT VESA_ToInternalModeLUT; // Only used by Bios␊
USHORT ComponentVideoInfo; // Shared by various SW components,latest version 2.1 will be used from R600␊
USHORT PowerPlayInfo; // Shared by various SW components,latest version 2.1,new design from R600␊
USHORT CompassionateData; // Will be obsolete from R600␊
USHORT SaveRestoreInfo; // Only used by Bios␊
USHORT PPLL_SS_Info; // Shared by various SW components,latest version 1.2, used to call SS_Info, change to new name because of int ASIC SS info␊
USHORT OemInfo; // Defined and used by external SW, should be obsolete soon␊
USHORT XTMDS_Info; // Will be obsolete from R600␊
USHORT MclkSS_Info; // Shared by various SW components,latest version 1.1, only enabled when ext SS chip is used␊
USHORT Object_Header; // Shared by various SW components,latest version 1.1␊
USHORT IndirectIOAccess; // Only used by Bios,this table position can't change at all!!␊
USHORT MC_InitParameter; // Only used by command table␊
USHORT ASIC_VDDC_Info;␉␉␉␉␉␉// Will be obsolete from R600␊
USHORT ASIC_InternalSS_Info;␉␉␉// New tabel name from R600, used to be called "ASIC_MVDDC_Info"␊
USHORT TV_VideoMode;␉␉␉␉␉␉␉// Only used by command table␊
USHORT VRAM_Info;␉␉␉␉␉␉␉␉// Only used by command table, latest version 1.3␊
USHORT MemoryTrainingInfo;␉␉␉␉// Used for VBIOS and Diag utility for memory training purpose since R600. the new table rev start from 2.1␊
USHORT IntegratedSystemInfo;␉␉␉// Shared by various SW components␊
USHORT ASIC_ProfilingInfo;␉␉␉␉// New table name from R600, used to be called "ASIC_VDDCI_Info" for pre-R600␊
USHORT VoltageObjectInfo;␉␉␉␉// Shared by various SW components, latest version 1.1␊
␉USHORT␉␉␉␉PowerSourceInfo;␉␉␉␉␉// Shared by various SW components, latest versoin 1.1␊
}ATOM_MASTER_LIST_OF_DATA_TABLES;␊
␊
typedef struct _ATOM_MASTER_DATA_TABLE␊
{ ␊
ATOM_COMMON_TABLE_HEADER sHeader; ␊
ATOM_MASTER_LIST_OF_DATA_TABLES ListOfDataTables;␊
}ATOM_MASTER_DATA_TABLE;␊
␊
typedef union _ATOM_MODE_MISC_INFO_ACCESS␊
{ ␊
␉USHORT usAccess;␊
}ATOM_MODE_MISC_INFO_ACCESS;␊
␊
/****************************************************************************/␉␊
// Structure used in StandardVESA_TimingTable␊
// AnalogTV_InfoTable ␊
// ComponentVideoInfoTable␊
/****************************************************************************/␉␊
typedef struct _ATOM_MODE_TIMING␊
{␊
USHORT usCRTC_H_Total;␊
USHORT usCRTC_H_Disp;␊
USHORT usCRTC_H_SyncStart;␊
USHORT usCRTC_H_SyncWidth;␊
USHORT usCRTC_V_Total;␊
USHORT usCRTC_V_Disp;␊
USHORT usCRTC_V_SyncStart;␊
USHORT usCRTC_V_SyncWidth;␊
USHORT usPixelClock;␉␉␉␉␉ //in 10Khz unit␊
ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo;␊
USHORT usCRTC_OverscanRight;␊
USHORT usCRTC_OverscanLeft;␊
USHORT usCRTC_OverscanBottom;␊
USHORT usCRTC_OverscanTop;␊
USHORT usReserve;␊
UCHAR ucInternalModeNumber;␊
UCHAR ucRefreshRate;␊
}ATOM_MODE_TIMING;␊
␊
typedef struct _ATOM_DTD_FORMAT␊
{␊
USHORT usPixClk;␊
USHORT usHActive;␊
USHORT usHBlanking_Time;␊
USHORT usVActive;␊
USHORT usVBlanking_Time;␉␉␉␊
USHORT usHSyncOffset;␊
USHORT usHSyncWidth;␊
USHORT usVSyncOffset;␊
USHORT usVSyncWidth;␊
USHORT usImageHSize;␊
USHORT usImageVSize;␊
UCHAR ucHBorder;␊
UCHAR ucVBorder;␊
ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo;␊
UCHAR ucInternalModeNumber;␊
UCHAR ucRefreshRate;␊
}ATOM_DTD_FORMAT;␊
␊
typedef struct _ATOM_LVDS_INFO_V12␊
{␊
ATOM_COMMON_TABLE_HEADER sHeader; ␊
ATOM_DTD_FORMAT sLCDTiming;␊
USHORT usExtInfoTableOffset;␊
USHORT usSupportedRefreshRate; //Refer to panel info table in ATOMBIOS extension Spec.␊
USHORT usOffDelayInMs;␊
UCHAR ucPowerSequenceDigOntoDEin10Ms;␊
UCHAR ucPowerSequenceDEtoBLOnin10Ms;␊
UCHAR ucLVDS_Misc; // Bit0:{=0:single, =1:dual},Bit1 {=0:666RGB, =1:888RGB},Bit2:3:{Grey level}␊
// Bit4:{=0:LDI format for RGB888, =1 FPDI format for RGB888}␊
// Bit5:{=0:Spatial Dithering disabled;1 Spatial Dithering enabled}␊
// Bit6:{=0:Temporal Dithering disabled;1 Temporal Dithering enabled}␊
UCHAR ucPanelDefaultRefreshRate;␊
UCHAR ucPanelIdentification;␊
UCHAR ucSS_Id;␊
USHORT usLCDVenderID;␊
USHORT usLCDProductID;␊
UCHAR ucLCDPanel_SpecialHandlingCap; ␊
␉UCHAR␉␉␉␉␉␉␉␉ucPanelInfoSize;␉␉␉␉␉// start from ATOM_DTD_FORMAT to end of panel info, include ExtInfoTable␊
UCHAR ucReserved[2];␊
}ATOM_LVDS_INFO_V12;␊
␊
␊
typedef struct _ATOM_STANDARD_VESA_TIMING␊
{␊
ATOM_COMMON_TABLE_HEADER sHeader; ␊
char * ␉␉␉␉ aModeTimings; // 16 is not the real array number, just for initial allocation␊
}ATOM_STANDARD_VESA_TIMING;␊
␊
#endif
trunk/i386/libsaio/915resolution.c
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␊
/* 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.␊
*/␊
␊
#include "libsaio.h"␊
#include "915resolution.h"␊
#include "../boot2/graphics.h"␊
␊
char * chipset_type_names[] = {␊
␉"UNKNOWN", "830", "845G", "855GM", "865G", "915G", "915GM", "945G", "945GM", "945GME",␊
␉"946GZ", "955X", "G965", "Q965", "965GM", "975X",␊
␉"P35", "X48", "B43", "Q45", "P45", "GM45", "G41", "G31", "G45", "500"␊
};␊
␊
char * bios_type_names[] = {"UNKNOWN", "TYPE 1", "TYPE 2", "TYPE 3"};␊
␊
int freqs[] = { 60, 75, 85 };␊
␉␊
␊
UInt32 get_chipset_id(void) {␊
␉outl(0xcf8, 0x80000000);␊
␉return inl(0xcfc);␊
}␊
␊
chipset_type get_chipset(UInt32 id) {␊
␉chipset_type type;␊
␉␊
␉switch (id) {␊
␉␉case 0x35758086:␊
␉␉␉type = CT_830;␊
␉␉␉break;␊
␉␉␊
␉␉case 0x25608086:␊
␉␉␉type = CT_845G;␊
␉␉␉break;␊
␉␉␉␉␊
␉␉case 0x35808086:␊
␉␉␉type = CT_855GM;␊
␉␉␉break;␊
␉␉␉␉␊
␉␉case 0x25708086:␊
␉␉␉type = CT_865G;␊
␉␉␉break;␊
␉␉␊
␉␉case 0x25808086:␊
␉␉␉type = CT_915G;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x25908086:␊
␉␉␉type = CT_915GM;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x27708086:␊
␉␉␉type = CT_945G;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x27748086:␊
␉␉␉type = CT_955X;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x277c8086:␊
␉␉␉type = CT_975X;␊
␉␉␉break;␊
␉␉␊
␉␉case 0x27a08086:␊
␉␉␉type = CT_945GM;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x27ac8086:␊
␉␉␉type = CT_945GME;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29708086:␊
␉␉␉type = CT_946GZ;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29a08086:␊
␉␉␉type = CT_G965;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29908086:␊
␉␉␉type = CT_Q965;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2a008086:␊
␉␉␉type = CT_965GM;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29e08086:␊
␉␉␉type = CT_X48;␊
␉␉␉break;␉␉␉␊
␉␉␉␊
␉␉case 0x2a408086:␊
␉␉␉type = CT_GM45;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2e108086:␊
␉␉case 0X2e908086:␊
␉␉␉type = CT_B43;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2e208086:␊
␉␉␉type = CT_P45;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x2e308086:␊
␉␉␉type = CT_G41;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29c08086:␊
␉␉␉type = CT_G31;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x29208086:␊
␉␉␉type = CT_G45;␊
␉␉␉break;␊
␉␉␉␊
␉␉case 0x81008086:␊
␉␉␉type = CT_500;␊
␉␉␉break;␊
␉␉␉␊
␉␉default:␊
␉␉␉type = CT_UNKWN;␊
␉␉␉break;␊
␉}␊
␉return type;␊
}␊
␊
vbios_resolution_type1 * map_type1_resolution(vbios_map * map, UInt16 res) {␊
␉vbios_resolution_type1 * ptr = ((vbios_resolution_type1*)(map->bios_ptr + res)); ␊
␉return ptr;␊
}␊
␊
vbios_resolution_type2 * map_type2_resolution(vbios_map * map, UInt16 res) {␊
␉vbios_resolution_type2 * ptr = ((vbios_resolution_type2*)(map->bios_ptr + res)); ␊
␉return ptr;␊
}␊
␊
vbios_resolution_type3 * map_type3_resolution(vbios_map * map, UInt16 res) {␊
␉vbios_resolution_type3 * ptr = ((vbios_resolution_type3*)(map->bios_ptr + res)); ␊
␉return ptr;␊
}␊
␊
char detect_bios_type(vbios_map * map, char modeline, int entry_size) {␊
␉UInt32 i;␊
␉UInt16 r1, r2;␊
␉ ␊
␉r1 = r2 = 32000;␊
␉␊
␉for (i=0; i < map->mode_table_size; i++) {␊
␉␉if (map->mode_table[i].resolution <= r1) {␊
␉␉␉r1 = map->mode_table[i].resolution;␊
␉␉}␊
␉␉else {␊
␉␉␉if (map->mode_table[i].resolution <= r2) {␊
␉␉␉␉r2 = map->mode_table[i].resolution;␊
␉␉␉}␊
␉␉}␊
␉␉␊
␉␉/*printf("r1 = %d r2 = %d\n", r1, r2);*/␊
␉}␊
␊
␉return (r2-r1-6) % entry_size == 0;␊
}␊
␊
char detect_ati_bios_type(vbios_map * map) {␉␊
␉return map->mode_table_size % sizeof(ATOM_MODE_TIMING) == 0;␊
}␊
␊
void close_vbios(vbios_map * map);␊
␊
vbios_map * open_vbios(chipset_type forced_chipset) {␊
␉UInt32 z;␊
␉vbios_map * map = NEW(vbios_map);␊
␉for(z=0; z<sizeof(vbios_map); z++) ((char*)map)[z]=0;␊
␉/*␊
␉ * Determine chipset␊
␉␉ + */␊
␉␊
␉if (forced_chipset == CT_UNKWN) {␊
␉␉map->chipset_id = get_chipset_id();␊
␉␉map->chipset = get_chipset(map->chipset_id);␊
␉}␊
␉else if (forced_chipset != CT_UNKWN) {␊
␉␉map->chipset = forced_chipset;␊
␉}␊
␉else {␊
␉␉map->chipset = CT_915GM;␊
␉}␊
␉ ␊
␉/*␊
␉ * Map the video bios to memory␊
␉ */␊
␉␊
␉map->bios_ptr = (unsigned char *)VBIOS_START;␊
␉␊
␉/*␊
␉ * check if we have ATI Radeon␊
␉ */␊
␉␊
␉map->ati_tables.base = map->bios_ptr;␊
␉map->ati_tables.AtomRomHeader = (ATOM_ROM_HEADER *) (map->bios_ptr + *(unsigned short *) (map->bios_ptr + OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER)); ␊
␉if (strcmp ((char *) map->ati_tables.AtomRomHeader->uaFirmWareSignature, "ATOM") != 0) {␊
␉␉␉printf("Not an AtomBios Card\n");␊
␉} else {␊
␉␉map->bios = BT_ATI_1;␊
␉}␊
␊
␊
␉/*␊
␉ * check if we have NVidia␊
␉ */␊
␉if (map->bios != BT_ATI_1) {␊
␉␉int i = 0;␊
␉␉while (i < 512) { // we don't need to look through the whole bios, just the firs 512 bytes␊
␉␉␉if ((map->bios_ptr[i] == 'N') ␊
␉␉␉␉&& (map->bios_ptr[i+1] == 'V') ␊
␉␉␉␉&& (map->bios_ptr[i+2] == 'I') ␊
␉␉␉␉&& (map->bios_ptr[i+3] == 'D')) ␊
␉␉␉{␊
␉␉␉␉map->bios = BT_NVDA;␊
␉␉␉␉break;␊
␉␉␉}␊
␉␉␉i++;␊
␉␉}␊
␉}␊
␉␊
␉/*␊
␉ * check if we have Intel␊
␉ */␊
␉ ␊
␉/*if (map->chipset == CT_UNKWN && memmem(map->bios_ptr, VBIOS_SIZE, INTEL_SIGNATURE, strlen(INTEL_SIGNATURE))) {␊
␉␉printf( "Intel chipset detected. However, 915resolution was unable to determine the chipset type.\n");␊
␉␊
␉␉printf("Chipset Id: %x\n", map->chipset_id);␊
␉␉␊
␉␉printf("Please report this problem to stomljen@yahoo.com\n");␊
␉␉␊
␉␉␉close_vbios(map);␊
␉␉␉return 0;␊
␉␉}*/␊
␉␊
␉␉/*␊
␉␉ * check for others␊
␉␉ */␊
␉␊
␉if (map->chipset == CT_UNKWN) {␊
␉␉printf("Unknown chipset type and unrecognized bios.\n");␊
␉␉ ␊
␉␉printf("915resolution only works with Intel 800/900 series graphic chipsets.\n");␊
␉␊
␉␉printf("Chipset Id: %x\n", map->chipset_id);␊
␉␉close_vbios(map);␊
␉␉return 0;␊
␉}␊
␊
␉/*␊
␉ * Figure out where the mode table is ␊
␉ */␊
␉␊
␉if ((map->bios != BT_ATI_1) && (map->bios != BT_NVDA)) ␊
␉{␊
␉␉unsigned char* p = map->bios_ptr + 16;␊
␉␉unsigned char* limit = map->bios_ptr + VBIOS_SIZE - (3 * sizeof(vbios_mode));␊
␉␉␉␊
␉␉while (p < limit && map->mode_table == 0) {␊
␉␉␉vbios_mode * mode_ptr = (vbios_mode *) p;␊
␉␉␉ ␊
␉␉␉if (((mode_ptr[0].mode & 0xf0) == 0x30) && ((mode_ptr[1].mode & 0xf0) == 0x30) &&␊
␉␉␉␉((mode_ptr[2].mode & 0xf0) == 0x30) && ((mode_ptr[3].mode & 0xf0) == 0x30)) {␊
␉␉␉␊
␉␉␉␉map->mode_table = mode_ptr;␊
␉␉␉}␊
␉␉␉ ␊
␉␉␉p++;␊
␉␉}␊
␉␉␊
␉␉if (map->mode_table == 0) {␊
␉␉␉printf("Unable to locate the mode table.\n");␊
␉␉␉printf("Please run the program 'dump_bios' as root and\n");␊
␉␉␉printf("email the file 'vbios.dmp' to stomljen@yahoo.com.\n");␊
␉␉␉printf("Chipset: %s\n", chipset_type_names[map->chipset]);␊
␉␉␉close_vbios(map);␊
␉␉␉return 0;␊
␉␉}␊
␉} ␊
␉else if (map->bios == BT_ATI_1)␊
␉{␊
␉␉map->ati_tables.MasterDataTables = (unsigned short *) &((ATOM_MASTER_DATA_TABLE *) (map->bios_ptr + map->ati_tables.AtomRomHeader->usMasterDataTableOffset))->ListOfDataTables;␊
␉␉unsigned short std_vesa_offset = (unsigned short) ((ATOM_MASTER_LIST_OF_DATA_TABLES *)map->ati_tables.MasterDataTables)->StandardVESA_Timing;␊
␉␉ATOM_STANDARD_VESA_TIMING * std_vesa = (ATOM_STANDARD_VESA_TIMING *) (map->bios_ptr + std_vesa_offset);␊
␉␉␉␊
␉␉map->ati_mode_table = (char *) &std_vesa->aModeTimings;␊
␉␉if (map->ati_mode_table == 0) {␊
␉␉␉printf("Unable to locate the mode table.\n");␊
␉␉␉printf("Please run the program 'dump_bios' as root and\n");␊
␉␉␉printf("email the file 'vbios.dmp' to stomljen@yahoo.com.\n");␊
␉␉␉printf("Chipset: %s\n", chipset_type_names[map->chipset]);␊
␉␉␉close_vbios(map);␊
␉␉␉return 0;␊
␉␉}␊
␉␉map->mode_table_size = std_vesa->sHeader.usStructureSize - sizeof(ATOM_COMMON_TABLE_HEADER);␊
␉␉␊
␉␉if (!detect_ati_bios_type(map)) map->bios = BT_ATI_2;␊
␉}␊
␉else if (map->bios == BT_NVDA)␊
␉{␊
␉␉unsigned short nv_data_table_offset = 0;␊
␉␉unsigned short nv_modeline_2_offset = 0;␊
␉␉unsigned short * nv_data_table;␊
␉␉NV_VESA_TABLE * std_vesa;␊
␉␉␊
␉␉int i = 0;␊
␉␉␊
␉␉while (i < 0x300) { //We don't need to look for the table in the whole bios, the 768 first bytes only␊
␉␉␉if ((map->bios_ptr[i] == 0x44) ␊
␉␉␉␉&& (map->bios_ptr[i+1] == 0x01) ␊
␉␉␉␉&& (map->bios_ptr[i+2] == 0x04) ␊
␉␉␉␉&& (map->bios_ptr[i+3] == 0x00)) {␊
␉␉␉␉nv_data_table_offset = (unsigned short) (map->bios_ptr[i+4] | (map->bios_ptr[i+5] << 8));␊
␉␉␉␉break;␊
␉␉␉}␊
␉␉␉i++;␊
␉␉}␊
␉␉␊
␉␉while (i < VBIOS_SIZE) { //We don't know how to locate it other way␊
␉␉␉if ((map->bios_ptr[i] == 0x00) && (map->bios_ptr[i+1] == 0x04) //this is the first 1024 modeline.␊
␉␉␉␉&& (map->bios_ptr[i+2] == 0x00) && (map->bios_ptr[i+3] == 0x03)␊
␉␉␉␉&& (map->bios_ptr[i+4] == 0x80)␊
␉␉␉␉&& (map->bios_ptr[i+5] == 0x2F)␊
␉␉␉␉&& (map->bios_ptr[i+6] == 0x10)␊
␉␉␉␉&& (map->bios_ptr[i+7] == 0x10)␊
␉␉␉␉&& (map->bios_ptr[i+8] == 0x05)) {␊
␉␉␉␉nv_modeline_2_offset = (unsigned short) i;␊
␉␉␉␉break;␊
␉␉␉}␊
␉␉␉i++;␊
␉␉}␊
␉␉␊
␉␉nv_data_table = (unsigned short *) (map->bios_ptr + (nv_data_table_offset + OFFSET_TO_VESA_TABLE_INDEX));␊
␉␉std_vesa = (NV_VESA_TABLE *) (map->bios_ptr + *nv_data_table);␊
␉␉␊
␉␉map->nv_mode_table = (char *) std_vesa->sModelines;␊
␉␉if (nv_modeline_2_offset == (VBIOS_SIZE-1) || nv_modeline_2_offset == 0) {␊
␉␉␉map->nv_mode_table_2 = NULL;␊
␉␉} else {␊
␉␉␉map->nv_mode_table_2 = (char*) map->bios_ptr + nv_modeline_2_offset;␊
␉␉}␊
␉␉if (map->nv_mode_table == 0) {␊
␉␉␉printf("Unable to locate the mode table.\n");␊
␉␉␉printf("Please run the program 'dump_bios' as root and\n");␊
␉␉␉printf("email the file 'vbios.dmp' to stomljen@yahoo.com.\n");␊
␉␉␉printf("Chipset: %s\n", chipset_type_names[map->chipset]);␊
␉␉␉close_vbios(map);␊
␉␉␉return 0;␊
␉␉}␊
␉␉map->mode_table_size = std_vesa->sHeader.usTable_Size;␊
␉}␊
␉␉␊
␉␊
␉/*␊
␉ * Determine size of mode table␊
␉ */␊
␉ ␊
␉if ((map->bios != BT_ATI_1) && (map->bios != BT_ATI_2) && (map->bios != BT_NVDA)) {␊
␉␉vbios_mode * mode_ptr = map->mode_table;␊
␉␉␉␊
␉␉while (mode_ptr->mode != 0xff) {␊
␉␉␉map->mode_table_size++;␊
␉␉␉mode_ptr++;␊
␉␉}␊
␉}␊
␉␊
␉/*␊
␉ * Figure out what type of bios we have␊
␉ * order of detection is important␊
␉ */␊
␉if ((map->bios != BT_ATI_1) && (map->bios != BT_ATI_2) && (map->bios != BT_NVDA)) {␊
␉␉if (detect_bios_type(map, TRUE, sizeof(vbios_modeline_type3))) {␊
␉␉␉map->bios = BT_3;␊
␉␉}␊
␉␉else if (detect_bios_type(map, TRUE, sizeof(vbios_modeline_type2))) {␊
␉␉␉map->bios = BT_2;␊
␉␉}␊
␉␉else if (detect_bios_type(map, FALSE, sizeof(vbios_resolution_type1))) {␊
␉␉␉map->bios = BT_1;␊
␉␉}␊
␉␉else {␊
␉␉␉printf("Unable to determine bios type.\n");␊
␉␉␉printf("Please run the program 'dump_bios' as root and\n");␊
␉␉␉printf("email the file 'vbios.dmp' to stomljen@yahoo.com.\n");␊
␉␉␉␊
␉␉␉printf("Chipset: %s\n", chipset_type_names[map->chipset]);␊
␉␉␉printf("Mode Table Offset: $C0000 + $%x\n", ((UInt32)map->mode_table) - ((UInt32)map->bios_ptr));␊
␉␉␊
␉␉␉printf("Mode Table Entries: %u\n", map->mode_table_size);␊
␉␉␉return 0;␊
␉␉}␊
␉}␊
␉␊
␉return map;␊
}␊
␊
void close_vbios(vbios_map * map) {␊
␉FREE(map);␊
}␊
␊
void unlock_vbios(vbios_map * map) {␊
␊
␉map->unlocked = TRUE;␊
␉ ␊
␉switch (map->chipset) {␊
␉␉case CT_UNKWN:␊
␉␉␉break;␊
␉␉case CT_830:␊
␉␉case CT_855GM:␊
␉␉␉outl(0xcf8, 0x8000005a);␊
␉␉␉map->b1 = inb(0xcfe);␊
␉␉␉␉␊
␉␉␉outl(0xcf8, 0x8000005a);␊
␉␉␉outb(0xcfe, 0x33);␊
␉␉␉break;␊
␉␉case CT_845G:␊
␉␉case CT_865G:␊
␉␉case CT_915G:␊
␉␉case CT_915GM:␊
␉␉case CT_945G:␊
␉␉case CT_945GM:␊
␉␉case CT_945GME:␊
␉␉case CT_946GZ:␊
␉␉case CT_955X:␊
␉␉case CT_G965:␊
␉␉case CT_Q965:␊
␉␉case CT_965GM:␊
␉␉case CT_975X:␊
␉␉case CT_P35:␊
␉␉case CT_X48:␊
␉␉case CT_B43:␊
␉␉case CT_Q45:␊
␉␉case CT_P45:␊
␉␉case CT_GM45:␊
␉␉case CT_G41:␊
␉␉case CT_G31:␊
␉␉case CT_G45:␊
␉␉case CT_500:␊
␊
␉␉␉outl(0xcf8, 0x80000090);␊
␉␉␉map->b1 = inb(0xcfd);␊
␉␉␉map->b2 = inb(0xcfe);␊
␉␉␉outl(0xcf8, 0x80000090);␊
␉␉␉outb(0xcfd, 0x33);␊
␉␉␉outb(0xcfe, 0x33);␊
␉␉break;␊
␉}␊
␉␊
␉#if DEBUG␊
␉{␊
␉␉UInt32 t = inl(0xcfc);␊
␉␉printf("unlock PAM: (0x%08x)\n", t);␊
␉}␊
#endif␊
}␊
␊
void relock_vbios(vbios_map * map) {␊
␊
␉map->unlocked = FALSE;␊
␉␊
␉switch (map->chipset) {␊
␉␉case CT_UNKWN:␊
␉␉␉break;␊
␉␉case CT_830:␊
␉␉case CT_855GM:␊
␉␉␉outl(0xcf8, 0x8000005a);␊
␉␉␉outb(0xcfe, map->b1);␊
␉␉␉break;␊
␉␉case CT_845G:␊
␉␉case CT_865G:␊
␉␉case CT_915G:␊
␉␉case CT_915GM:␊
␉␉case CT_945G:␊
␉␉case CT_945GM:␊
␉␉case CT_945GME:␊
␉␉case CT_946GZ:␊
␉␉case CT_955X:␊
␉␉case CT_G965:␊
␉␉case CT_Q965:␊
␉␉case CT_965GM:␊
␉␉case CT_975X:␊
␉␉case CT_P35:␊
␉␉case CT_X48:␊
␉␉case CT_B43:␊
␉␉case CT_Q45:␊
␉␉case CT_P45:␊
␉␉case CT_GM45:␊
␉␉case CT_G41:␊
␉␉case CT_G31:␊
␉␉case CT_G45:␊
␉␉case CT_500:␊
␉␉␉␊
␉␉␉outl(0xcf8, 0x80000090);␊
␉␉␉outb(0xcfd, map->b1);␊
␉␉␉outb(0xcfe, map->b2);␊
␉␉␉break;␊
␉}␊
␉␊
␉#if DEBUG␊
␉{␊
UInt32 t = inl(0xcfc);␊
␉␉printf("relock PAM: (0x%08x)\n", t);␊
␉}␊
␉#endif␊
}␊
␊
void save_vbios(vbios_map * map)␊
{␊
␉map->bios_backup_ptr = malloc(VBIOS_SIZE);␊
␉bcopy((const unsigned char *)0xC0000, map->bios_backup_ptr, VBIOS_SIZE);␊
}␊
␊
void restore_vbios(vbios_map * map)␊
{␊
␉bcopy(map->bios_backup_ptr,(unsigned char *)0xC0000, VBIOS_SIZE);␊
}␊
␊
␊
␊
static void gtf_timings(UInt32 x, UInt32 y, UInt32 freq,␊
␉␉␉␉␉␉unsigned long *clock,␊
␉␉␉␉␉␉UInt16 *hsyncstart, UInt16 *hsyncend, UInt16 *hblank,␊
␉␉␉␉␉␉UInt16 *vsyncstart, UInt16 *vsyncend, UInt16 *vblank)␊
{␊
␉UInt32 hbl, vbl, vfreq;␊
␉␊
␉vbl = y + (y+1)/(20000/(11*freq) - 1) + 1;␊
␉␊
␉vfreq = vbl * freq;␊
␉hbl = 16 * (int)(x * (30 - 300000 / vfreq) /␊
␉␉␉␉␉ + (70 + 300000 / vfreq) / 16 + 0);␊
␉␊
␉*vsyncstart = y;␊
␉*vsyncend = y + 3;␊
␉*vblank = vbl - 1;␉␊
␉*hsyncstart = x + hbl / 2 - (x + hbl + 50) / 100 * 8 - 1;␉␊
␉*hsyncend = x + hbl / 2 - 1;␉␊
␉*hblank = x + hbl - 1;␉␊
␉*clock = (x + hbl) * vfreq / 1000;␊
}␊
␊
void cvt_timings(UInt32 x, UInt32 y, UInt32 freq,␊
␉␉␉␉ unsigned long *clock,␊
␉␉␉␉ UInt16 *hsyncstart, UInt16 *hsyncend, UInt16 *hblank,␊
␉␉␉␉ UInt16 *vsyncstart, UInt16 *vsyncend, UInt16 *vblank, bool reduced)␊
{␊
␉UInt32 hbl, hbp, vbl, vsync, hperiod;␊
␉␊
␉if (!(y % 3) && ((y * 4 / 3) == x))␊
vsync = 4;␊
else if (!(y % 9) && ((y * 16 / 9) == x))␊
vsync = 5;␊
else if (!(y % 10) && ((y * 16 / 10) == x))␊
vsync = 6;␊
else if (!(y % 4) && ((y * 5 / 4) == x))␊
vsync = 7;␊
else if (!(y % 9) && ((y * 15 / 9) == x))␊
vsync = 7;␊
else /* Custom */␊
vsync = 10;␊
␉␊
␉if (!reduced) {␊
␉␉hperiod = (1000000/freq - 550) / (y + 3);␊
␉␉vbl = y + (550/hperiod) + 3;␊
␉␉hbp = 30 - ((300*hperiod)/1000);␊
␉␉hbl = (x * hbp) / (100 - hbp);␊
␉␉␊
␉␉*vsyncstart = y + 6;␊
␉␉*vsyncend = *vsyncstart + vsync;␊
␉␉*vblank = vbl - 1;␉␊
␉␉*hsyncstart = x + hbl / 2 - (x + hbl + 50) / 100 * 8 - 1;␉␊
␉␉*hsyncend = x + hbl / 2 - 1;␉␊
␉␉*hblank = x + hbl - 1;␊
␉␉␊
␉} else {␊
␉␉hperiod = (1000000/freq - 460) / y;␊
␉␉vbl = y + 460/hperiod + 1;␊
␉␉hbl = 160;␊
␉␉␊
␉␉*vsyncstart = y + 3;␊
␉␉*vsyncend = *vsyncstart + vsync;␊
␉␉*vblank = vbl - 1;␉␊
␉␉*hsyncstart = x + hbl / 2 - 32;␉␊
␉␉*hsyncend = x + hbl / 2 - 1;␉␊
␉␉*hblank = x + hbl - 1;␊
␉␉␊
␉}␊
␉*clock = (x + hbl) * 1000 / hperiod;␊
}␊
␊
void set_mode(vbios_map * map, UInt32 x, UInt32 y, UInt32 bp, UInt32 htotal, UInt32 vtotal) {␊
␉UInt32 xprev, yprev;␊
␉UInt32 i = 0, j;␉// patch first available mode␊
␊
//␉for (i=0; i < map->mode_table_size; i++) {␊
//␉␉if (map->mode_table[0].mode == mode) {␊
␉␉␉switch(map->bios) {␊
␉␉␉␉case BT_1:␊
␉␉␉␉␉{␊
␉␉␉␉␉␉vbios_resolution_type1 * res = map_type1_resolution(map, map->mode_table[i].resolution);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉if (bp) {␊
␉␉␉␉␉␉␉map->mode_table[i].bits_per_pixel = bp;␊
␉␉␉␉␉␉}␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉res->x2 = (htotal?(((htotal-x) >> 8) & 0x0f) : (res->x2 & 0x0f)) | ((x >> 4) & 0xf0);␊
␉␉␉␉␉␉res->x1 = (x & 0xff);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉res->y2 = (vtotal?(((vtotal-y) >> 8) & 0x0f) : (res->y2 & 0x0f)) | ((y >> 4) & 0xf0);␊
␉␉␉␉␉␉res->y1 = (y & 0xff);␊
␉␉␉␉␉␉if (htotal)␊
␉␉␉␉␉␉␉res->x_total = ((htotal-x) & 0xff);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉if (vtotal)␊
␉␉␉␉␉␉␉res->y_total = ((vtotal-y) & 0xff);␊
␉␉␉␉␉}␊
␉␉␉␉␉break;␊
␉␉␉␉case BT_2:␊
␉␉␉␉␉{␊
␉␉␉␉␉␉vbios_resolution_type2 * res = map_type2_resolution(map, map->mode_table[i].resolution);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉res->xchars = x / 8;␊
␉␉␉␉␉␉res->ychars = y / 16 - 1;␊
␉␉␉␉␉␉xprev = res->modelines[0].x1;␊
␉␉␉␉␉␉yprev = res->modelines[0].y1;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉for(j=0; j < 3; j++) {␊
␉␉␉␉␉␉␉vbios_modeline_type2 * modeline = &res->modelines[j];␊
␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉if (modeline->x1 == xprev && modeline->y1 == yprev) {␊
␉␉␉␉␉␉␉␉modeline->x1 = modeline->x2 = x-1;␊
␉␉␉␉␉␉␉␉modeline->y1 = modeline->y2 = y-1;␊
␉␉␉␉␊
␉␉␉␉␉␉␉␉gtf_timings(x, y, freqs[j], &modeline->clock,␊
␉␉␉␉␉␉␉␉␉␉␉&modeline->hsyncstart, &modeline->hsyncend,␊
␉␉␉␉␉␉␉␉␉␉␉&modeline->hblank, &modeline->vsyncstart,␊
␉␉␉␉␉␉␉␉␉␉␉&modeline->vsyncend, &modeline->vblank);␊
␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉if (htotal)␊
␉␉␉␉␉␉␉␉␉modeline->htotal = htotal;␊
␉␉␉␉␉␉␉␉else␊
␉␉␉␉␉␉␉␉␉modeline->htotal = modeline->hblank;␊
␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉if (vtotal)␊
␉␉␉␉␉␉␉␉␉modeline->vtotal = vtotal;␊
␉␉␉␉␉␉␉␉else␊
␉␉␉␉␉␉␉␉␉modeline->vtotal = modeline->vblank;␊
␉␉␉␉␉␉␉}␊
␉␉␉␉␉␉}␊
␉␉␉␉␉}␊
␉␉␉␉␉break;␊
␉␉␉␉case BT_3:␊
␉␉␉␉␉{␊
␉␉␉␉␉␉vbios_resolution_type3 * res = map_type3_resolution(map, map->mode_table[i].resolution);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉xprev = res->modelines[0].x1;␊
␉␉␉␉␉␉yprev = res->modelines[0].y1;␊
␉␉␉␉␊
␉␉␉␉␉␉for (j=0; j < 3; j++) {␊
␉␉␉␉␉␉␉vbios_modeline_type3 * modeline = &res->modelines[j];␊
␉␉␉␉␉␉␉ ␊
␉␉␉␉␉␉␉if (modeline->x1 == xprev && modeline->y1 == yprev) {␊
␉␉␉␉␉␉␉␉modeline->x1 = modeline->x2 = x-1;␊
␉␉␉␉␉␉␉␉modeline->y1 = modeline->y2 = y-1;␊
␉␉␉␉␉␉␉␉ ␊
␉␉␉␉␉␉␉␉gtf_timings(x, y, freqs[j], &modeline->clock,␊
␉␉␉␉␉␉␉␉␉␉␉&modeline->hsyncstart, &modeline->hsyncend,␊
␉␉␉␉␉␉␉␉␉␉␉&modeline->hblank, &modeline->vsyncstart,␊
␉␉␉␉␉␉␉␉␉␉␉&modeline->vsyncend, &modeline->vblank);␊
␉␉␉␉␉␉␉␉if (htotal)␊
␉␉␉␉␉␉␉␉␉modeline->htotal = htotal;␊
␉␉␉␉␉␉␉␉else␊
␉␉␉␉␉␉␉␉␉modeline->htotal = modeline->hblank;␊
␉␉␉␉␉␉␉␉if (vtotal)␊
␉␉␉␉␉␉␉␉␉modeline->vtotal = vtotal;␊
␉␉␉␉␉␉␉␉else␊
␉␉␉␉␉␉␉␉␉modeline->vtotal = modeline->vblank;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉modeline->timing_h = y-1;␊
␉␉␉␉␉␉␉␉modeline->timing_v = x-1;␊
␉␉␉␉␉␉␉}␊
␉␉␉␉␉␉}␊
␉␉␉␉␉}␊
␉␉␉␉␉break;␊
␉␉␉␉case BT_ATI_1:␊
␉␉␉␉{␊
␉␉␉␉␉edid_mode mode;␊
␉␉␉␉␉VBEModeInfoBlock minfo;␊
␉␉␉␉␉unsigned short mode_n;␊
␉␉␉␉␉unsigned short vesaVersion;␊
␉␉␉␉␉␊
␉␉␉␉␉ATOM_MODE_TIMING *mode_timing = (ATOM_MODE_TIMING *) map->ati_mode_table;␊
␉␉␉␉␉␊
␉␉␉␉␉mode_n = getVESAModeWithProperties( x, y, 32, maColorModeBit |␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ 0,␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊
␉␉␉␉␉␊
␉␉␉␉␉if ( mode_n == modeEndOfList )␊
␉␉␉␉␉{␊
␉␉␉␉␉␉minfo.XResolution = 1024;␊
␉␉␉␉␉␉minfo.YResolution = 768;␊
␉␉␉␉␉}␊
␉␉␉␉␉␊
␉␉␉␉␉␊
␉␉␉␉␉int m_status = getMode(&mode);␊
␉␉␉␉␉␊
␉␉␉␉␉if (m_status || (mode.h_active != x)) {␊
␉␉␉␉␉␉vbios_modeline_type2 * modeline = malloc(sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉bzero(modeline, sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉cvt_timings(x, y, 60, &modeline->clock,␊
␉␉␉␉␉␉␉␉␉&modeline->hsyncstart, &modeline->hsyncend,␊
␉␉␉␉␉␉␉␉␉&modeline->hblank, &modeline->vsyncstart,␊
␉␉␉␉␉␉␉␉␉&modeline->vsyncend, &modeline->vblank, FALSE);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉mode.pixel_clock = modeline->clock /10;␊
␉␉␉␉␉␉mode.h_active = x;␊
␉␉␉␉␉␉mode.h_sync_offset = modeline->hsyncstart - x;␊
␉␉␉␉␉␉mode.h_sync_width = modeline->hsyncend - modeline->hsyncstart;␊
␉␉␉␉␉␉mode.h_blanking = modeline->hblank - x;␊
␉␉␉␉␉␉mode.v_active = y;␊
␉␉␉␉␉␉mode.v_sync_offset = modeline->vsyncstart - y;␊
␉␉␉␉␉␉mode.v_sync_width = modeline->vsyncend - modeline->vsyncstart;␊
␉␉␉␉␉␉mode.v_blanking = modeline->vblank - y;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉free(modeline);␊
␉␉␉␉␉␉m_status = 0;␊
␉␉␉␉␉}␊
␉␉␉␉␉␊
␉␉␉␉␉if (!m_status) {␉␉␉␉␉␉␊
␉␉␉␉␉␉while (i < (map->mode_table_size / sizeof(ATOM_MODE_TIMING)))␊
␉␉␉␉␉␉{␊
␉␉␉␉␉␉␉if (mode_timing[i].usCRTC_H_Disp == minfo.XResolution) {␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_H_Total = mode.h_active + mode.h_blanking;␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_H_Disp = mode.h_active;␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_H_SyncStart = mode.h_active + mode.h_sync_offset;␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_H_SyncWidth = mode.h_sync_width;␊
␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_V_Total = mode.v_active + mode.v_blanking;␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_V_Disp = mode.v_active;␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_V_SyncStart = mode.v_active + mode.v_sync_offset;␊
␉␉␉␉␉␉␉␉mode_timing[i].usCRTC_V_SyncWidth = mode.v_sync_width;␊
␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉mode_timing[i].usPixelClock = mode.pixel_clock;␊
␉␉␉␉␉␉␉}␊
␉␉␉␉␉␉␉i++;␊
␉␉␉␉␉␉}␊
␉␉␉␉␉}␉␉␉␉␉␊
␉␉␉␉}␊
␉␉␉␉␉break;␊
␉␉␉␉case BT_ATI_2:␊
␉␉␉␉{␊
␉␉␉␉␉edid_mode mode;␊
␉␉␉␉␉VBEModeInfoBlock minfo;␊
␉␉␉␉␉unsigned short mode_n;␊
␉␉␉␉␉unsigned short vesaVersion;␊
␉␉␉␉␉␊
␉␉␉␉␉ATOM_DTD_FORMAT *mode_timing = (ATOM_DTD_FORMAT *) map->ati_mode_table;␊
␉␉␉␉␉␊
␉␉␉␉␉mode_n = getVESAModeWithProperties( x, y, 32, maColorModeBit |␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ 0,␊
␉␉␉␉␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊
␉␉␉␉␉␊
␉␉␉␉␉if ( mode_n == modeEndOfList )␊
␉␉␉␉␉{␊
␉␉␉␉␉␉minfo.XResolution = 1024;␊
␉␉␉␉␉␉minfo.YResolution = 768;␊
␉␉␉␉␉}␊
␉␉␉␉␉␊
␉␉␉␉␉␊
␉␉␉␉␉int m_status = getMode(&mode);␊
␉␉␉␉␉␊
␉␉␉␉␉if (m_status || (mode.h_active != x)) {␊
␉␉␉␉␉␉vbios_modeline_type2 * modeline = malloc(sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉bzero(modeline, sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉cvt_timings(x, y, 60, &modeline->clock,␊
␉␉␉␉␉␉␉␉␉&modeline->hsyncstart, &modeline->hsyncend,␊
␉␉␉␉␉␉␉␉␉&modeline->hblank, &modeline->vsyncstart,␊
␉␉␉␉␉␉␉␉␉&modeline->vsyncend, &modeline->vblank, FALSE);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉mode.pixel_clock = modeline->clock /10;␊
␉␉␉␉␉␉mode.h_active = x;␊
␉␉␉␉␉␉mode.h_sync_offset = modeline->hsyncstart - x;␊
␉␉␉␉␉␉mode.h_sync_width = modeline->hsyncend - modeline->hsyncstart;␊
␉␉␉␉␉␉mode.h_blanking = modeline->hblank - x;␊
␉␉␉␉␉␉mode.v_active = y;␊
␉␉␉␉␉␉mode.v_sync_offset = modeline->vsyncstart - y;␊
␉␉␉␉␉␉mode.v_sync_width = modeline->vsyncend - modeline->vsyncstart;␊
␉␉␉␉␉␉mode.v_blanking = modeline->vblank - y;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉free(modeline);␊
␉␉␉␉␉␉m_status = 0;␊
␉␉␉␉␉}␊
␉␉␉␉␉␊
␉␉␉␉␉if (!m_status) {␉␉␉␉␉␉␊
␉␉␉␉␉␉while (i < (map->mode_table_size / sizeof(ATOM_DTD_FORMAT)))␊
␉␉␉␉␉␉{␊
␉␉␉␉␉␉␉if (mode_timing[i].usHActive == minfo.XResolution) {␊
␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉mode_timing[i].usHBlanking_Time = mode.h_blanking;␊
␉␉␉␉␉␉␉␉mode_timing[i].usHActive = mode.h_active;␊
␉␉␉␉␉␉␉␉mode_timing[i].usHSyncOffset = mode.h_sync_offset;␊
␉␉␉␉␉␉␉␉mode_timing[i].usHSyncWidth = mode.h_sync_width;␊
␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉mode_timing[i].usVBlanking_Time = mode.v_blanking;␊
␉␉␉␉␉␉␉␉mode_timing[i].usVActive = mode.v_active;␊
␉␉␉␉␉␉␉␉mode_timing[i].usVSyncOffset = mode.v_sync_offset;␊
␉␉␉␉␉␉␉␉mode_timing[i].usVSyncWidth = mode.v_sync_width;␊
␉␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉␉mode_timing[i].usPixClk = mode.pixel_clock;␊
␉␉␉␉␉␉␉}␊
␉␉␉␉␉␉␉i++;␊
␉␉␉␉␉␉}␊
␉␉␉␉␉}␊
␉␉␉␉␉␊
␉␉␉␉}␊
␉␉␉␉␉break;␊
␉␉␉␉case BT_NVDA:␊
␉␉␉␉{␊
␉␉␉␉␉s_aspect aspect_ratio;␊
␉␉␉␉␉/*␊
␉␉␉␉␉ * Get the aspect ratio for the requested mode␊
␉␉␉␉␉ */␊
␉␉␉␉␉if ((y * 16 / 9) == x) {␊
␉␉␉␉␉␉aspect_ratio.width = 16;␊
␉␉␉␉␉␉aspect_ratio.height = 9;␊
␉␉␉␉␉} else if ((y * 16 / 10) == x) {␊
␉␉␉␉␉␉aspect_ratio.width = 16;␊
␉␉␉␉␉␉aspect_ratio.height = 10;␊
␉␉␉␉␉} else if ((y * 5 / 4) == x) {␊
␉␉␉␉␉␉aspect_ratio.width = 5;␊
␉␉␉␉␉␉aspect_ratio.height = 4;␊
␉␉␉␉␉} else if ((y * 15 / 9) == x) {␊
␉␉␉␉␉␉aspect_ratio.width = 15;␊
␉␉␉␉␉␉aspect_ratio.height = 9;␊
␉␉␉␉␉} else {␊
␉␉␉␉␉␉aspect_ratio.width = 4;␊
␉␉␉␉␉␉aspect_ratio.height = 3;␊
␉␉␉␉␉}␊
␉␉␉␉␉␊
␉␉␉␉␉NV_MODELINE *mode_timing = (NV_MODELINE *) map->nv_mode_table;␊
␉␉␉␉␉NV_MODELINE_2 *mode_timing_2 = (NV_MODELINE_2 *) map->nv_mode_table_2;␊
␉␉␉␉␉␊
␉␉␉␉␉i = 0;␊
␉␉␉␉␉if (mode_timing_2[i].h_disp == 0x140) { //From 320x200 mode.␊
␉␉␉␉␉␉while (mode_timing_2[i].h_disp <= 0x800) {␊
␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉vbios_modeline_type2 * modeliner = malloc(sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉␉bzero(modeliner, sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉x = mode_timing_2[i].h_disp;␊
␉␉␉␉␉␉␉y = x * aspect_ratio.height / aspect_ratio.width;␊
␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉cvt_timings(x, y, 60, &modeliner->clock,␊
␉␉␉␉␉␉␉␉␉␉&modeliner->hsyncstart, &modeliner->hsyncend,␊
␉␉␉␉␉␉␉␉␉␉&modeliner->hblank, &modeliner->vsyncstart,␊
␉␉␉␉␉␉␉␉␉␉&modeliner->vsyncend, &modeliner->vblank, TRUE);␊
␉␉␉␉␉␉␉␊
␉␉␉␉␉␉␉mode_timing_2[i].h_disp = x;␊
␉␉␉␉␉␉␉mode_timing_2[i].v_disp = y;␊
␉␉␉␉␉␉␉mode_timing_2[i].h_blank = modeliner->hblank - x;␊
␉␉␉␉␉␉␉mode_timing_2[i].h_syncoffset = modeliner->hsyncstart - x;␊
␉␉␉␉␉␉␉mode_timing_2[i].h_syncwidth = modeliner->hsyncend - modeliner->hsyncstart;␊
␉␉␉␉␉␉␉mode_timing_2[i].v_blank = modeliner->vblank - y;␊
␉␉␉␉␉␉␉i++;␊
␉␉␉␉␉␉␉free(modeliner);␉␊
␉␉␉␉␉␉}␊
␉␉␉␉␉} ␊
␉␉␉␉␉i = 0;␊
␉␉␉␉␉␊
␉␉␉␉␉while ((mode_timing[i].reserved3 & 0xff) == 0xff) {␊
␉␉␉␉␉␉x = mode_timing[i].usH_Active;␊
␉␉␉␉␉␉y = x * aspect_ratio.height / aspect_ratio.width;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉vbios_modeline_type2 * modeliner = malloc(sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉bzero(modeliner, sizeof(vbios_modeline_type2));␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉cvt_timings(x, y, 60, &modeliner->clock,␊
␉␉␉␉␉␉␉␉␉&modeliner->hsyncstart, &modeliner->hsyncend,␊
␉␉␉␉␉␉␉␉␉&modeliner->hblank, &modeliner->vsyncstart,␊
␉␉␉␉␉␉␉␉␉&modeliner->vsyncend, &modeliner->vblank, FALSE);␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉mode_timing[i].usH_Total = x + modeliner->hblank;␊
␉␉␉␉␉␉mode_timing[i].usH_Active = x;␊
␉␉␉␉␉␉mode_timing[i].usH_Active_minus_One = x - 1;␊
␉␉␉␉␉␉mode_timing[i].usH_Active_minus_One_ = x - 1;␊
␉␉␉␉␉␉mode_timing[i].usH_Active = y;␊
␉␉␉␉␉␉mode_timing[i].usH_SyncStart = modeliner->hsyncstart;␊
␉␉␉␉␉␉mode_timing[i].usH_SyncEnd = modeliner->hsyncend;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉mode_timing[i].usV_Total = y + modeliner->vblank;␊
␉␉␉␉␉␉mode_timing[i].usV_Active = y;␊
␉␉␉␉␉␉mode_timing[i].usV_Active_minus_One = y - 1;␊
␉␉␉␉␉␉mode_timing[i].usV_Active_minus_One_ = y - 1;␊
␉␉␉␉␉␉mode_timing[i].usV_SyncStart = modeliner->vsyncend;␊
␉␉␉␉␉␉mode_timing[i].usV_SyncEnd = modeliner->vsyncend;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉mode_timing[i].usPixel_Clock = modeliner->clock;␊
␉␉␉␉␉␉␊
␉␉␉␉␉␉i++;␊
␉␉␉␉␉}␊
␉␉␉␉}␊
␉␉␉␉␉␊
␉␉␉␉␉break;␊
␉␉␉␉case BT_UNKWN:␊
␉␉␉␉␉break;␊
␉␉␉}␊
//␉␉}␊
//␉}␊
} ␊
␊
trunk/i386/libsaio/edid.c
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/*␊
* edid.c␊
* ␊
*␊
* Created by Evan Lojewski on 12/1/09.␊
* Copyright 2009. All rights reserved.␊
*␊
*/␊
␊
␊
#include "libsaio.h"␊
#include "edid.h"␊
#include "vbe.h"␊
#include "bootstruct.h"␊
//#include "graphics.h"␊
␊
//static biosBuf_t bb;␊
␊
UInt32 xResolution = 0;␊
UInt32 yResolution = 0;␊
UInt32 bpResolution = 0;␊
␊
␊
void getResolution(UInt32* x, UInt32* y, UInt32* bp)␊
{␊
␉unsigned char* edidInfo = readEDID();␊
␉␊
␉if(!edidInfo) {␊
␉␉xResolution = 1024;␊
␉␉yResolution = 768;␊
␉␉bpResolution = 32;␊
␉␉␊
␉␉free( edidInfo );␊
␉} else {␊
␉␉// TODO: check *all* resolutions reported and eithe ruse the highest, or the native resolution (if there is a flag for that)␊
␉␉xResolution = edidInfo[56] | ((edidInfo[58] & 0xF0) << 4);␊
␉␉yResolution = edidInfo[59] | ((edidInfo[61] & 0xF0) << 4);␊
␉␉␊
␉␉bpResolution = 32;␉// assume 32bits␊
␉␉␊
␉␉free( edidInfo );␊
␉}␊
␉␊
␉if (!xResolution) xResolution = 1024;␊
␉if (!yResolution) yResolution = 768;␊
␉␊
␉*x = xResolution;␊
␉*y = yResolution;␊
␉*bp = bpResolution;␊
␊
}␊
␊
int getMode(edid_mode *mode)␊
{␊
␉unsigned char* edidInfo = readEDID();␊
␉␉␊
␉if(!edidInfo) return 1;␊
␉␊
␉mode->pixel_clock = (edidInfo[55] << 8) | edidInfo[54];␊
␉mode->h_active = edidInfo[56] | ((edidInfo[58] & 0xF0) << 4);␊
␉mode->h_blanking = ((edidInfo[58] & 0x0F) << 8) | edidInfo[57];␊
␉mode->v_active = edidInfo[59] | ((edidInfo[61] & 0xF0) << 4);␊
␉mode->v_blanking = ((edidInfo[61] & 0x0F) << 8) | edidInfo[60];␊
␉mode->h_sync_offset = ((edidInfo[65] & 0xC0) >> 2) | edidInfo[62];␊
␉mode->h_sync_width = (edidInfo[65] & 0x30) | edidInfo[63];␊
␉mode->v_sync_offset = (edidInfo[65] & 0x0C) | ((edidInfo[64] & 0x0C) >> 2);␊
␉mode->v_sync_width = ((edidInfo[65] & 0x3) << 2) | (edidInfo[64] & 0x03);␊
␉␊
␉␊
␉free( edidInfo );␊
␉␊
␉if(!mode->h_active) return 1;␊
␉␊
␉return 0;␊
␉␊
}␊
␊
unsigned char* readEDID()␊
{␊
␉SInt16 last_reported = -1;␊
␉UInt8 edidInfo[EDID_BLOCK_SIZE];␊
␊
␉//UInt8 pointer;␊
␊
␉UInt8 header1[] = {0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00};␊
␉UInt8 header2[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};␊
␉␊
␉int status;␊
␉unsigned int blocks_left = 1;␊
␉␊
␉do␊
␉{␊
␉␉// TODO: This currently only retrieves the *last* block, make the block buffer expand as needed / calculated from the first block␊
␊
␉␉bzero( edidInfo, EDID_BLOCK_SIZE);␊
␊
␉␉status = getEDID(edidInfo, blocks_left);␊
␉␉␊
␉␉␉␉//printf("Buffer location: 0x%X\n", SEG(buffer) << 16 | OFF(buffer));␊
␊
␉␉/*␊
␉␉int j, i;␊
␉␉for (j = 0; j < 8; j++) {␊
␉␉␉for(i = 0; i < 16; i++) printf("0x%X ", ebiosInfo[((i+1) * (j + 1)) - 1]);␊
␊
␉␉}␊
␉␉printf("\n");␊
␉␉*/␊
␉␉␊
␉␉if(status == 0)␊
␉␉{␊
␉␉␉//if( edidInfo[0] == 0x00 || edidInfo[0] == 0xFF)␊
␉␉␉if((memcmp(edidInfo, header1, sizeof(header1)) != 0) ||␊
␉␉␉ (memcmp(edidInfo, header2, sizeof(header2)) != 0) )␊
␉␉␉{␊
␉␉␉␉blocks_left--;␊
␉␉␉␉int reported = edidInfo[ EDID_V1_BLOCKS_TO_GO_OFFSET ];␊
␉␉␉␉␊
␉␉␉␉if ( reported > blocks_left )␊
␉␉␉␉{␊
␉␉␉␉␉␊
␉␉␉␉␉printf("EDID claims %d more blocks left\n", reported);␊
␉␉␉␉}␊
␉␉␉␉␊
␉␉␉␉if ( (last_reported <= reported && last_reported != -1)␊
␉␉␉␉␉|| reported == 0xff␊
␉␉␉␉␉/* 0xff frequently comes up in corrupt edids */␊
␉␉␉␉␉//|| reported == MAGIC␊
␉␉␉␉␉)␊
␉␉␉␉{␊
␉␉␉␉␉printf("Last reported %d\n", last_reported);␊
␉␉␉␉␉printf( "EDID blocks left is wrong.\n"␊
␉␉␉␉␉␉ "Your EDID is probably invalid.\n");␊
␉␉␉␉␉return 0;␊
␉␉␉␉}␊
␉␉␉␉else␊
␉␉␉␉{␊
␉␉␉␉␉//printf("Reading EDID block\n");␊
␉␉␉␉␉//printf("H Active = %d", ebiosInfo[56] | ((ebiosInfo[58] & 0xF0) << 4) );␊
␉␉␉␉␉//printf("V Active = %d", ebiosInfo[59] | ((ebiosInfo[61] & 0xF0) << 4) );␊
␊
␉␉␉␉␉last_reported = reported;␊
␉␉␉␉␉blocks_left = reported;␊
␉␉␉␉}␊
␉␉␉} ␊
␉␉␉else␊
␉␉␉{␊
␉␉␉␉printf("Invalid block %d\n", blocks_left);␊
␉␉␉␉printf("Header1 = %d", memcmp(edidInfo, header1, sizeof(header1)) );␊
␉␉␉␉printf("Header2 = %d", memcmp(edidInfo, header2, sizeof(header2)) );␊
␉␉␉␉return 0;␊
␉␉␉}␊
␉␉} else return 0;␊
␉␉␊
␉␉blocks_left = 0;␉␊
␉} while(blocks_left);␊
␊
␉UInt8* ret = malloc(sizeof(edidInfo));␊
␉memcpy(ret, edidInfo, sizeof(edidInfo));␊
␉return (ret);␊
}␊
trunk/i386/libsaio/915resolution.h
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␊
/* 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.␊
*/␊
#ifndef __915_RESOLUTION_H␊
#define __915_RESOLUTION_H␊
␊
#include "shortatombios.h"␊
#include "edid.h"␊
␊
#define NEW(a) ((a *)(malloc(sizeof(a))))␊
#define FREE(a) (free(a))␊
␊
#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"␊
␊
typedef struct {␊
␉unsigned char width;␊
␉unsigned char height;␊
} s_aspect;␊
␊
/*␊
* 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 {␊
␉unsigned short␉usPixel_Clock;␊
␉unsigned short␉usH_Active;␊
␉unsigned short usH_Active_minus_One;␊
␉unsigned short␉reserved1;␊
␉unsigned short usH_Active_minus_One_;␊
␉unsigned short␉usH_SyncStart;␊
␉unsigned short␉usH_SyncEnd;␊
␉unsigned short␉usH_Total;␊
␉unsigned short␉usV_Active;␊
␉unsigned short usV_Active_minus_One;␊
␉unsigned short␉reserved2;␊
␉unsigned short usV_Active_minus_One_;␊
␉unsigned short␉usV_SyncStart;␊
␉unsigned short␉usV_SyncEnd;␊
␉unsigned short␉usV_Total;␊
␉unsigned short␉reserved3;␊
} NV_MODELINE;␊
␊
typedef struct {␊
␉unsigned short h_disp;␊
␉unsigned short v_disp;␊
␉unsigned char h_blank;␊
␉unsigned char h_syncoffset;␊
␉unsigned char h_syncwidth;␊
␉unsigned char v_blank;␊
␉unsigned char v_syncwidth;␊
} NV_MODELINE_2;␊
␊
typedef struct {␊
␉NV_COMMON_TABLE_HEADER␉sHeader;␊
␉NV_MODELINE␉*␉␉␉sModelines;␊
} NV_VESA_TABLE;␊
␊
/*---*/␊
␊
␊
typedef enum {␊
␉CT_UNKWN, 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␊
} chipset_type;␊
␊
␊
typedef enum {␊
␉BT_UNKWN, BT_1, BT_2, BT_3, BT_ATI_1, BT_ATI_2, BT_NVDA␊
} bios_type;␊
␊
typedef struct {␊
unsigned 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;␊
␉unsigned char* bios_backup_ptr;␊
␉unsigned char* bios_ptr;␊
␉␊
␉vbios_mode * mode_table;␊
␉char * ati_mode_table;␊
␉char * nv_mode_table;␊
␉char * nv_mode_table_2;␊
␉␊
␉UInt32 mode_table_size;␊
␉UInt8 b1, b2;␊
␉␊
␉UInt8 unlocked;␊
} vbios_map;␊
␊
␊
␊
void display_map_info(vbios_map*);␊
vbios_map * open_vbios(chipset_type);␊
void close_vbios (vbios_map*);␊
void unlock_vbios(vbios_map*);␊
void relock_vbios(vbios_map*);␊
void save_vbios(vbios_map*);␊
void restore_vbios(vbios_map*);␊
void set_mode(vbios_map*, UInt32, UInt32, UInt32, UInt32, UInt32);␊
void list_modes(vbios_map *map, UInt32 raw);␊
␊
#endif␊
trunk/i386/libsaio/edid.h
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/*␊
* edid.h␊
* ␊
*␊
* Created by Evan Lojewski on 12/1/09.␊
* Copyright 2009. All rights reserved.␊
*␊
*/␊
␊
#ifndef _EDID_H␊
#define _EDID_H␊
␊
#define EDID_BLOCK_SIZE␉128␊
#define EDID_V1_BLOCKS_TO_GO_OFFSET 126␊
␊
#define SERVICE_REPORT_DDC␉0␊
#define SERVICE_READ_EDID␉1␊
#define SERVICE_LAST␉␉1 // Read VDIF has been removed from the spec.␊
␊
#define FUNC_GET_EDID␉␉0x4F15␊
␊
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;␊
␊
␊
unsigned char* readEDID();␊
void getResolution(UInt32* x, UInt32* y, UInt32* bp);␊
int getMode(edid_mode* mode);␊
␊
#endif
trunk/i386/libsaio/vbe.c
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*/␊
␊
#include "libsaio.h"␊
#include "edid.h"␊
#include "vbe.h"␊
␊
/* ␊
}␊
␊
/*␊
*EDID/DDC Readings␊
*/␊
␊
int getEDID( void *ddcblock, uint8_t blocksleft )␊
{␊
␉bb.intno = 0x10;␊
␉bb.eax.rr = FUNC_GET_EDID;␊
␉bb.ebx.r.l = SERVICE_READ_EDID;␊
␉bb.es = SEG( ddcblock );␊
␉bb.edi.rr = OFF( ddcblock );␊
␉bb.edx.rr = blocksleft;␊
␉bios( &bb );␊
␉return( bb.eax.r.h );␊
}␊
␊
/*␊
* Default GTF parameter values.␊
*/␊
#define kCellGranularity 8.0 // character cell granularity␊
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extern int getVBEModeInfo(int mode, void *minfo_p);␊
extern int getVBEDACFormat(unsigned char *format);␊
extern int setVBEDACFormat(unsigned char format);␊
␊
/*␊
* DDC␊
*/␊
extern int getEDID(void *ddcblock, uint8_t blocksleft);␊
␊
extern int setVBEPalette(void *palette);␊
extern int getVBEPalette(void *palette);␊
extern int setVBEMode(unsigned short mode, const VBECRTCInfoBlock *timing);␊
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␉smbios_patcher.o fake_efi.o ext2fs.o \␊
␉hpet.o spd.o usb.o pci_setup.o \␊
␉device_inject.o nvidia.o ati.o pci_root.o \␊
␉convert.o mem.o 915resolution.o edid.o␊
␉convert.o mem.o␊
␊
␊
SAIO_EXTERN_OBJS = console.o␊
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// Return the VESA mode that matches the properties specified.␊
// If a mode is not found, then return the "best" available mode.␊
␊
unsigned short␊
static unsigned short␊
getVESAModeWithProperties( unsigned short width,␊
unsigned short height,␊
unsigned char bitsPerPixel,␊
//==========================================================================␊
// getNumberArrayFromProperty␊
␊
int␊
static int␊
getNumberArrayFromProperty( const char * propKey,␊
unsigned long numbers[],␊
unsigned long maxArrayCount )␊
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#include "ramdisk.h"␊
#include "gui.h"␊
#include "platform.h"␊
#include "edid.h"␊
#include "915resolution.h"␊
␊
long gBootMode; /* defaults to 0 == kBootModeNormal */␊
bool gOverrideKernel;␊
BVRef menuBVR;␊
BVRef bvChain;␊
bool useGUI;␊
bool autoResolution;␊
␊
//static void selectBiosDevice(void);␊
static unsigned long Adler32(unsigned char *buffer, long length);␊
//==========================================================================␊
// execKernel - Load the kernel image (mach-o) and jump to its entry point.␊
␊
static int ExecKernel(void *binary, vbios_map *map)␊
static int ExecKernel(void *binary)␊
{␊
entry_t kernelEntry;␊
int ret;␊
␉␊
␉UInt32 params[4];␊
␉int count;␊
␉params[3] = 0;␊
␊
bootArgs->kaddr = bootArgs->ksize = 0;␊
␊
printf("Errors encountered while starting up the computer.\n");␊
printf("Pausing %d seconds...\n", kBootErrorTimeout);␊
sleep(kBootErrorTimeout);␊
}␉␉␊
␉␊
␉//if the vbios patch have been applied retore it before performing fake efi stuff␊
␉if (autoResolution == TRUE) {␊
␉␉unlock_vbios(map);␊
␉␉restore_vbios(map);␊
␉␉relock_vbios(map);␊
␉}␉␊
}␊
␊
setupFakeEfi();␊
␉␊
␉//Reapply the vbios patch before setting mode for boot graphics␊
␉if (autoResolution == TRUE) {␊
␉␉count = getNumberArrayFromProperty(kGraphicsModeKey, params, 4);␊
␉␉if ( count < 3 ) {␊
␉␉␉getResolution(&params[0], &params[1], &params[2]);␊
␉␉}␊
␉␉else ␊
␉␉{␊
␉␉␉if ( params[2] == 256 ) params[2] = 8;␊
␉␉␉if ( params[2] == 555 ) params[2] = 16;␊
␉␉␉if ( params[2] == 888 ) params[2] = 32;␊
␉␉}␊
␉␉␊
␉␉if (params[0]!=0 && params[1]!=0) {␊
␉␉␉␊
␉␉␉unlock_vbios(map);␊
␉␉␉␊
␉␉␉set_mode(map, params[0], params[1], params[2], 0, 0);␊
␉␉␉␊
␉␉␉relock_vbios(map);␊
␉␉}␊
␉}␊
␊
verbose("Starting Darwin %s\n",( archCpuType == CPU_TYPE_I386 ) ? "x86" : "x86_64");␊
␊
else␊
drawBootGraphics();␊
␉␊
␉//Boot Graphis are set finalize and free vbios patch structures␊
␉if (autoResolution == TRUE) {␊
␉␉unlock_vbios(map);␊
␉␉restore_vbios(map);␊
␉␉relock_vbios(map);␊
␉␉close_vbios(map);␊
␉}␊
␉␊
finalizeBootStruct();␊
␊
// Jump to kernel's entry point. There's no going back now.␊
getc();␊
#endif␊
␊
␉␊
␉useGUI = TRUE;␊
␉// Override useGUI default␊
␉getBoolForKey(kGUIKey, &useGUI, &bootInfo->bootConfig);␊
␉␊
␉// Before initGui, patch the video bios with the correct resolution␊
␉␊
␉UInt32 params[4];␊
␉int count;␊
␉params[3] = 0;␊
␉vbios_map * map = open_vbios(CT_UNKWN);␊
␉␊
␉autoResolution = TRUE;␊
␉// Override AutoResolution default␊
␉getBoolForKey(kAutoResolutionKey, &autoResolution, &bootInfo->bootConfig);␊
␉␊
␉if (autoResolution == TRUE) {␊
␉␉count = getNumberArrayFromProperty(kGraphicsModeKey, params, 4);␊
␉␉if ( count < 3 )␊
␉␉␉getResolution(&params[0], &params[1], &params[2]);␊
␉␉else ␊
␉␉{␊
␉␉␉if ( params[2] == 256 ) params[2] = 8;␊
␉␉␉if ( params[2] == 555 ) params[2] = 16;␊
␉␉␉if ( params[2] == 888 ) params[2] = 32;␊
␉␉}␊
␉␉␊
␉␉if (params[0]!=0 && params[1]!=0) {␉␊
␉␉␉vbios_map * map = open_vbios(CT_UNKWN);␊
␉␉␉␊
␉␉␉unlock_vbios(map);␊
␉␉␉␊
␉␉␉save_vbios(map);␊
␉␉␉␊
␉␉␉set_mode(map, params[0], params[1], params[2], 0, 0);␊
␉␉␉␊
␉␉␉relock_vbios(map);␊
␉␉␉␊
␉␉␉verbose("Patched resolution mode to %dx%d.\n", params[0], params[1]);␊
␉␉}␊
␉}␊
␉␊
␉␊
␉␊
␉␊
␉␊
␉␊
␉␊
useGUI = true;␊
// Override useGUI default␊
getBoolForKey(kGUIKey, &useGUI, &bootInfo->bootConfig);␊
if (useGUI) {␊
/* XXX AsereBLN handle error */␊
␉initGUI();␊
}␊
} else {␊
/* Won't return if successful. */␊
ret = ExecKernel(binary, map);␊
ret = ExecKernel(binary);␊
}␊
}␊
␊
trunk/i386/boot2/graphics.h
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#include "boot.h"␊
#include "bootstruct.h"␊
#include "graphic_utils.h"␊
#include "vbe.h"␊
␊
␊
#ifndef __BOOT_GRAPHICS_H␊
␊
int loadEmbeddedPngImage(uint8_t *pngData, int pngSize, uint16_t *width, uint16_t *height, uint8_t **imageData);␊
␊
int getNumberArrayFromProperty( const char * propKey,␊
␉␉␉␉␉␉ unsigned long numbers[],␊
␉␉␉␉␉␉ unsigned long maxArrayCount );␊
␊
␊
char *getVBEInfoString();␊
char *getVBEModeInfoString();␊
unsigned short getVESAModeWithProperties( unsigned short width,␊
␉␉␉␉␉␉␉␉␉␉ unsigned short height,␊
␉␉␉␉␉␉␉␉␉␉ unsigned char bitsPerPixel,␊
␉␉␉␉␉␉␉␉␉␉ unsigned short attributesSet,␊
␉␉␉␉␉␉␉␉␉␉ unsigned short attributesClear,␊
␉␉␉␉␉␉␉␉␉␉ VBEModeInfoBlock * outModeInfo,␊
␉␉␉␉␉␉␉␉␉␉ unsigned short * vesaVersion );␊
␊
void getGraphicModeParams(unsigned long params[]);␊
␊
#endif /* !__BOOT_GRAPHICS_H */␊
trunk/i386/boot2/boot.h
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#define kInsantMenuKey␉␉"Instant Menu"␊
#define kDefaultKernel␉␉"mach_kernel"␊
#define kGUIKey␉␉␉"GUI"␊
#define kAutoResolutionKey␉␉␉"AutoResolution"␊
#define kBootBannerKey␉␉"Boot Banner"␊
#define kWaitForKeypressKey␉"Wait"␊
/* AsereBLN: added the other keys */␊
extern bool gEnableCDROMRescan;␊
extern bool gScanSingleDrive;␊
extern bool useGUI;␊
extern bool autoResolution;␊
␊
/*␊
* Boot Modes␊
trunk/i386/boot2/gui.c
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#include "gui.h"␊
#include "appleboot.h"␊
#include "vers.h"␊
#include "edid.h"␊
␊
#define THEME_NAME_DEFAULT␉"Default"␊
static const char *theme_name = THEME_NAME_DEFAULT;␉␊
␊
int initGUI(void)␊
{␊
␉//int val;␊
␉int␉␉val;␊
#ifdef EMBED_THEME␊
␉config_file_t␉*config;␊
␉␊
␉}␊
#endif␊
␉// parse display size parameters␊
␉/*if (getIntForKey("screen_width", &val, &bootInfo->themeConfig)) {␊
␉if (getIntForKey("screen_width", &val, &bootInfo->themeConfig)) {␊
␉␉screen_params[0] = val;␊
␉}␊
␉if (getIntForKey("screen_height", &val, &bootInfo->themeConfig)) {␊
␉␉screen_params[1] = val;␊
␉}*/␊
␉}␊
␉screen_params[2] = 32;␊
␊
␉// Initalizing GUI strucutre.␊
␉␉loadBootGraphics();␊
␉}␊
␊
␉if (autoResolution = FALSE) {␊
␉␉VBEModeInfoBlock minfo;␊
␉␉unsigned short mode_n;␊
␉␉unsigned short vesaVersion;␊
␉␉␊
␉␉mode_n = getVESAModeWithProperties( screen_params[0], screen_params[1], 32, maColorModeBit |␊
␉␉␉␉␉␉␉␉␉␉ maModeIsSupportedBit |␊
␉␉␉␉␉␉␉␉␉␉ maGraphicsModeBit |␊
␉␉␉␉␉␉␉␉␉␉ maLinearFrameBufferAvailBit,␊
␉␉␉␉␉␉␉␉␉␉ 0,␊
␉␉␉␉␉␉␉␉␉␉ &minfo, &vesaVersion );␊
␉} else {␊
␉␉// parse screen size parameters␊
␉␉if(getIntForKey("boot_width", &pos, &bootInfo->themeConfig))␊
␉␉␉screen_params[0] = pos;␊
␉␉else␊
␉␉␉screen_params[0] = DEFAULT_SCREEN_WIDTH;␊
␉␉␊
␉␉if(getIntForKey("boot_height", &pos, &bootInfo->themeConfig))␊
␉␉␉screen_params[1] = pos;␊
␉␉else␊
␉␉␉screen_params[1] = DEFAULT_SCREEN_HEIGHT;␊
␉}␊
␉␊
␉// parse screen size parameters␊
␉if (getIntForKey("boot_width", &pos, &bootInfo->themeConfig)) {␊
␉␉screen_params[0] = pos;␊
␉} else {␊
␉␉screen_params[0] = DEFAULT_SCREEN_WIDTH;␊
␉}␊
␉if (getIntForKey("boot_height", &pos, &bootInfo->themeConfig)) {␊
␉␉screen_params[1] = pos;␊
␉} else {␊
␉␉screen_params[1] = DEFAULT_SCREEN_HEIGHT;␊
␉}␊
␉screen_params[2] = 32;␊
␊
␉gui.screen.width = screen_params[0];␊

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Revision: 128