Chameleon

Chameleon Commit Details

Date:2010-01-26 04:36:29 (9 years 8 months ago)
Author:Pradeesh
Commit:33
Parents: 32
Message:Modified Meklort's 915 EDID patch for Intel onboard video cards , so that basically it gives full EDID detection for GMA 950/X3100 and even unsupported ones such as X4500HD !
Changes:
M/branches/prasys/i386/boot2/options.c
M/branches/prasys/i386/libsaio/vbe.h
M/branches/prasys/i386/boot2/graphics.c
M/branches/prasys/i386/boot2/boot.c
M/branches/prasys/i386/boot2/gui.c
M/branches/prasys/i386/boot2/graphics.h
M/branches/prasys/i386/libsaio/Makefile
M/branches/prasys/i386/libsaio/vbe.c

File differences

branches/prasys/i386/libsaio/vbe.c
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return(bb.eax.r.h);
}
int getEDID( void * edidBlock, UInt8 block)
{
bzero(&bb, sizeof(bb));
bb.intno = 0x10;
bb.eax.rr = funcGetEDID;
bb.ebx.r.l= 0x01;
bb.edx.rr = block;
bb.es = SEG( edidBlock );
bb.edi.rr = OFF( edidBlock );
bios( &bb );
return(bb.eax.r.h);
}
int getVBEModeInfo( int mode, void * minfo_p )
{
bb.intno = 0x10;
return(bb.eax.r.h);
}
/*
* Default GTF parameter values.
*/
branches/prasys/i386/libsaio/vbe.h
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funcGetSetPaletteFormat = 0x4F08,
funcGetSetPaletteData = 0x4F09,
funcGetProtModeInterdace = 0x4F0A,
funcGetSetPixelClock = 0x4F0B
funcGetSetPixelClock = 0x4F0B,
funcGetEDID = 0x4f15
};
enum {
typedef unsigned long VBEPalette[256];
extern int getVBEInfo(void *vinfo_p);
extern int getEDID( void * edidBlock, UInt8 blocks_left );
extern int getVBEModeInfo(int mode, void *minfo_p);
extern int getVBEDACFormat(unsigned char *format);
extern int setVBEDACFormat(unsigned char format);
branches/prasys/i386/libsaio/Makefile
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freq_detect.o platform.o dsdt_patcher.o \
smbios_patcher.o fake_efi.o ext2fs.o \
hpet.o spd.o usb.o pci_setup.o \
device_inject.o nvidia.o ati.o gma.o
device_inject.o nvidia.o ati.o gma.o 915resolution.o edid.o
SAIO_EXTERN_OBJS = console.o
branches/prasys/i386/boot2/graphics.c
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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.
static unsigned short
unsigned short
getVESAModeWithProperties( unsigned short width,
unsigned short height,
unsigned char bitsPerPixel,
branches/prasys/i386/boot2/boot.c
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#include "libsa.h"
#include "ramdisk.h"
#include "gui.h"
#include "graphics.h"
#include "vbe.h"
#include "915resolution.h"
#include "edid.h"
long gBootMode; /* defaults to 0 == kBootModeNormal */
BOOL gOverrideKernel;
if ( getBoolForKey(kGUIKey, &useGUI, &bootInfo->bootConfig) && !useGUI )
useGUI = FALSE;
// Before initGui, path the video bios with the correct resolution
UInt32 x = 0, y = 0;
UInt32 bp = 0;
getResolution(&x, &y, &bp);
if (x!=0 && y!=0) {
vbios_map * map;
map = open_vbios(CT_UNKWN);
unlock_vbios(map);
set_mode(map, x, y, bp, 0, 0);
relock_vbios(map);
close_vbios(map);
verbose("Patched first resolution mode to %dx%d.\n", x, y);
}
//printf("Press any key to continue...");
//getc();
// Try initialising the GUI unless disabled
if( useGUI )
initGUI();
branches/prasys/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
char *getVBEModeInfoString();
void getGraphicModeParams(unsigned long params[]);
unsigned short getVESAModeWithProperties( unsigned short width,
unsigned short height,
unsigned char bitsPerPixel,
unsigned short attributesSet,
unsigned short attributesClear,
VBEModeInfoBlock * outModeInfo,
unsigned short * vesaVersion );
#endif /* !__BOOT_GRAPHICS_H */
branches/prasys/i386/boot2/gui.c
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#include "gui.h"
#include "appleboot.h"
#include "vers.h"
#include "edid.h"
#ifdef EMBED_THEME
#include "art.h"
int initGUI()
{
int val, len;
int len;
char dirspec[256];
#ifdef EMBED_THEME
config_file_t *embedded = &bootInfo->themeDefault;
// build xml dictionary for embedded theme.plist
ParseXMLFile( (char *) __theme_plist, &embedded->dictionary);
// parse display size parameters
if(getIntForKey("screen_width", &val, &bootInfo->themeDefault))
screen_params[0] = val;
// determine screen params form edid
getResolution(&screen_params[0], &screen_params[1], &screen_params[2]);
if(getIntForKey("screen_height", &val, &bootInfo->themeDefault))
screen_params[1] = val;
#else
/*
// Initalizing GUI strucutre.
bzero(&gui, sizeof(gui_t));
screen_params[2] = 32;
// find theme name in boot.plist
getValueForKey( "Theme", &theme_name, &len, &bootInfo->bootConfig );
sprintf(dirspec, "/Extra/Themes/%s/theme.plist", theme_name);
if ( !loadConfigFile(dirspec, &bootInfo->themeConfig) )
{
// parse display size parameters
if(getIntForKey("screen_width", &val, &bootInfo->themeConfig))
screen_params[0] = val;
loadConfigFile(dirspec, &bootInfo->themeConfig);
if(getIntForKey("screen_height", &val, &bootInfo->themeConfig))
screen_params[1] = val;
}
// find best matching vesa mode for our requested width & height
getGraphicModeParams(screen_params);
//==========================================================================
// drawBootGraphics
//funciton used when starting up OS X.
void drawBootGraphics()
{
int pos;
int length;
const char *dummyVal;
BOOL legacy_logo;
uint16_t x, y;
/** Read default resolution from the graphics card, instead of the theme **/
getResolution(&screen_params[0], &screen_params[1], &screen_params[2]);
if (getBoolForKey("Legacy Logo", &legacy_logo, &bootInfo->bootConfig) && legacy_logo)
usePngImage = NO;
else if (bootImageData == NULL)
loadBootGraphics();
// 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];
gui.screen.height = screen_params[1];
branches/prasys/i386/boot2/options.c
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timeout = sysConfigValid?kBootTimeout:0;
}
if (timeout < 0)
if (timeout < 0 || gDeviceCount <= 1)
gBootMode |= kBootModeQuiet;
// If the user is holding down a modifier key,
// enter safe mode.
// abort quiet mode.
if ( ( readKeyboardShiftFlags() & 0x0F ) != 0 ) {
gBootMode |= kBootModeSafe;
//gBootMode |= kBootModeSafe;
gBootMode &= ~kBootModeQuiet;
firstRun = NO;
}
// If user typed F8, abort quiet mode,
}
if ( firstRun && ( timeout > 0 ) &&
( countdown("Press any key to enter startup options.",
( countdown(""/*"Press any key to enter startup options."*/,
kMenuTopRow, timeout) == 0 ) )
{
// If the user is holding down a modifier key,

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Revision: 33