Chameleon

Chameleon Commit Details

Date:2010-03-16 15:33:16 (9 years 3 months ago)
Author:DieBuche
Commit:127
Parents: 126
Message:Applying Ati+Nvidia Resolution fix coded by lebidou. See topic at http://forum.voodooprojects.org/index.php/topic,1227.0.html
Changes:
A/trunk/i386/libsaio/915resolution.c
A/trunk/i386/libsaio/shortatombios.h
A/trunk/i386/libsaio/edid.c
A/trunk/i386/libsaio/915resolution.h
A/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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/****************************************************************************/
/*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 charBOOLEAN;
typedef signed charINT8;
typedef unsigned charUINT8;
typedef signed shortINT16;
typedef unsigned shortUINT16;
typedef signed longINT32;
typedef unsigned longUINT32;
typedef unsigned charCHAR8;
typedef unsigned shortCHAR16;
typedef unsigned shortUSHORT;
typedef unsigned charUCHAR;
typedefunsigned longULONG;
#pragma pack(1) /* BIOS data must use byte aligment */
/* Define offset to location of ROM header. */
#define OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER0x00000048L
#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_HEADERsHeader;
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
USHORTPowerSourceInfo;// 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;
UCHARucPanelInfoSize;// 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/vbe.c
2727
2828
2929
30
3031
3132
3233
......
106107
107108
108109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
109126
110127
111128
*/
#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
trunk/i386/libsaio/vbe.h
272272
273273
274274
275
276
277
278
279
280
275281
276282
277283
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);
trunk/i386/libsaio/Makefile
4343
4444
4545
46
46
4747
4848
4949
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
convert.o mem.o 915resolution.o edid.o
SAIO_EXTERN_OBJS = console.o
trunk/i386/libsaio/915resolution.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
/* 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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
* 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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/* 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 charucTable_Major;
unsigned charucTable_Minor;
unsigned charucTable_Rev;
unsigned shortusTable_Size;
} NV_COMMON_TABLE_HEADER;
typedef struct {
unsigned shortusPixel_Clock;
unsigned shortusH_Active;
unsigned short usH_Active_minus_One;
unsigned shortreserved1;
unsigned short usH_Active_minus_One_;
unsigned shortusH_SyncStart;
unsigned shortusH_SyncEnd;
unsigned shortusH_Total;
unsigned shortusV_Active;
unsigned short usV_Active_minus_One;
unsigned shortreserved2;
unsigned short usV_Active_minus_One_;
unsigned shortusV_SyncStart;
unsigned shortusV_SyncEnd;
unsigned shortusV_Total;
unsigned shortreserved3;
} 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_HEADERsHeader;
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
/*
* edid.h
*
*
* Created by Evan Lojewski on 12/1/09.
* Copyright 2009. All rights reserved.
*
*/
#ifndef _EDID_H
#define _EDID_H
#define EDID_BLOCK_SIZE128
#define EDID_V1_BLOCKS_TO_GO_OFFSET 126
#define SERVICE_REPORT_DDC0
#define SERVICE_READ_EDID1
#define SERVICE_LAST1 // Read VDIF has been removed from the spec.
#define FUNC_GET_EDID0x4F15
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/boot2/graphics.c
180180
181181
182182
183
183
184184
185185
186186
......
10301030
10311031
10321032
1033
1033
10341034
10351035
10361036
// 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,
//==========================================================================
// getNumberArrayFromProperty
static int
int
getNumberArrayFromProperty( const char * propKey,
unsigned long numbers[],
unsigned long maxArrayCount )
trunk/i386/boot2/boot.c
5858
5959
6060
61
62
6163
6264
6365
......
7880
7981
8082
83
8184
8285
8386
......
128131
129132
130133
131
134
132135
133136
134137
138
139
140
141
135142
136143
137144
......
158165
159166
160167
161
168
169
170
171
172
173
174
175
162176
163177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
164201
165202
166203
......
189226
190227
191228
229
230
231
232
233
234
235
236
192237
193238
194239
......
316361
317362
318363
319
320
321
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
322412
323413
324414
......
572662
573663
574664
575
665
576666
577667
578668
#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)
static int ExecKernel(void *binary, vbios_map *map)
{
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);
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]);
}
}
if (useGUI) {
/* XXX AsereBLN handle error */
initGUI();
}
} else {
/* Won't return if successful. */
ret = ExecKernel(binary);
ret = ExecKernel(binary, map);
}
}
trunk/i386/boot2/graphics.h
1010
1111
1212
13
1314
1415
1516
......
3738
3839
3940
41
42
43
4044
45
4146
4247
48
49
50
51
52
53
54
55
4356
4457
4558
#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
5656
5757
5858
59
5960
6061
6162
......
121122
122123
123124
125
124126
125127
126128
#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
1111
1212
1313
14
1415
1516
1617
......
556557
557558
558559
559
560
560561
561562
562563
......
578579
579580
580581
581
582
582583
583584
584585
585586
586
587
587588
588589
589590
......
16971698
16981699
16991700
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
17111725
17121726
17131727
#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)
{
intval;
//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();
}
// 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;
}
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;
}
screen_params[2] = 32;
gui.screen.width = screen_params[0];

Archive Download the corresponding diff file

Revision: 127