summaryrefslogtreecommitdiffstats
path: root/drivers/sound/configure.c
blob: e00ca26f5bb42642aaf9413e2801ca47ba0b240a (plain)
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
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
/*
 *     PnP soundcard support is not included in this version.
 *
 *       AESDP16 driver is now included in the lowlevel directory.
 */
#define DISABLED_OPTIONS 	(B(OPT_SPNP)|B(OPT_AEDSP16)|B(OPT_UNUSED1)|B(OPT_UNUSED2)|B(OPT_UNUSED3)|B(OPT_UNUSED4)|B(OPT_UNUSED5)|B(OPT_UART6850))
/*
 * sound/configure.c  - Configuration program for the Linux Sound Driver
 */
/*
 * Copyright (C) by Hannu Savolainen 1993-1997
 *
 * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 * Version 2 (June 1991). See the "COPYING" file distributed with this software
 * for more info.
 */


#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>

#define B(x)	(1 << (x))

/*
 * Option numbers
 */

#define OPT_PAS		0
#define OPT_SB		1
#define OPT_ADLIB	2
#define OPT_LAST_MUTUAL	2

#define OPT_GUS		3
#define OPT_MPU401	4
#define OPT_UART6850	5
#define OPT_PSS		6
#define OPT_GUS16	7
#define OPT_GUSMAX	8
#define OPT_MSS		9
#define OPT_SSCAPE	10
#define OPT_TRIX	11
#define OPT_MAD16	12
#define OPT_CS4232	13
#define OPT_MAUI	14
#define OPT_SPNP	15
#define OPT_OPL3SA1	16
#define OPT_SOFTOSS	17

#define OPT_HIGHLEVEL   18	/* This must be same than the next one */
#define OPT_UNUSED1	18
#define OPT_UNUSED2	19
#define OPT_AEDSP16     20
#define OPT_UNUSED3	21
#define OPT_UNUSED4	22
#define OPT_UNUSED5	23
#define OPT_YM3812_AUTO	24
#define OPT_YM3812	25
#define OPT_LAST	25	/* Last defined OPT number */

#define DUMMY_OPTS (B(OPT_YM3812_AUTO))

#define ANY_DEVS (B(OPT_SB)|B(OPT_PAS)|B(OPT_GUS)| \
		  B(OPT_MPU401)|B(OPT_PSS)|B(OPT_GUS16)|B(OPT_GUSMAX)| \
		  B(OPT_MSS)|B(OPT_SSCAPE)|B(OPT_UART6850)|B(OPT_TRIX)| \
		  B(OPT_MAD16)|B(OPT_CS4232)|B(OPT_MAUI)|B(OPT_ADLIB)| \
		  B(OPT_SPNP)|B(OPT_OPL3SA1)|B(OPT_SOFTOSS))
#define MPU_DEVS (B(OPT_PSS)|\
		  B(OPT_CS4232)|B(OPT_SPNP)|B(OPT_MAUI)|B(OPT_SSCAPE))
#define UART401_DEVS (SBDSP_DEVS|B(OPT_TRIX)|B(OPT_MAD16)|B(OPT_SPNP)|\
		  B(OPT_OPL3SA1))
#define NON_AUDIO_CARDS (B(OPT_ADLIB)|B(OPT_MPU401)|B(OPT_UART6850)|B(OPT_MAUI))
#define AUDIO_CARDS (ANY_DEVS & ~NON_AUDIO_CARDS)
#define MIDI_CARDS (ANY_DEVS & ~(B(OPT_ADLIB)|B(OPT_MSS)))
#define AD1848_DEVS (B(OPT_GUS16)|B(OPT_MSS)|B(OPT_PSS)|B(OPT_GUSMAX)|\
		     B(OPT_SSCAPE)|B(OPT_TRIX)|B(OPT_MAD16)|B(OPT_CS4232)|\
		     B(OPT_SPNP)|B(OPT_OPL3SA1))
#define SBDSP_DEVS (B(OPT_SB)|B(OPT_SPNP)|B(OPT_MAD16)|B(OPT_TRIX))
#define SEQUENCER_DEVS 0x7fffffff
/*
 * Options that have been disabled for some reason (incompletely implemented
 * and/or tested). Don't remove from this list before looking at file
 * experimental.txt for further info.
 */

typedef struct
  {
	  unsigned long   conditions;
	  unsigned long   exclusive_options;
	  char            macro[20];
	  int             verify;
	  int             alias;
	  int             default_answ;
  }

hw_entry;


/*
 * The rule table for the driver options. The first field defines a set of
 * options which must be selected before this entry can be selected. The
 * second field is a set of options which are not allowed with this one. If
 * the fourth field is zero, the option is selected without asking
 * confirmation from the user.
 *
 * With this version of the rule table it is possible to select just one type of
 * hardware.
 *
 * NOTE!        Keep the following table and the questions array in sync with the
 * option numbering!
 */

hw_entry        hw_table[] =
{
/*
 * 0
 */
	{0, 0, "PAS", 1, 0, 0},
	{0, 0, "SB", 1, 0, 0},
	{0, B(OPT_PAS) | B(OPT_SB), "ADLIB", 1, 0, 0},

	{0, 0, "GUS", 1, 0, 0},
	{0, 0, "MPU401", 1, 0, 0},
	{0, 0, "UART6850", 1, 0, 0},
	{0, 0, "PSS", 1, 0, 0},
	{B(OPT_GUS), 0, "GUS16", 1, 0, 0},
	{B(OPT_GUS), B(OPT_GUS16), "GUSMAX", 1, 0, 0},
	{0, 0, "MSS", 1, 0, 0},
	{0, 0, "SSCAPE", 1, 0, 0},
	{0, 0, "TRIX", 1, 0, 0},
	{0, 0, "MAD16", 1, 0, 0},
	{0, 0, "CS4232", 1, 0, 0},
	{0, 0, "MAUI", 1, 0, 0},
	{0, 0, "SPNP", 1, 0, 0},
	{0, 0, "OPL3SA1", 1, 0, 0},
	{0, 0, "SOFTOSS", 1, 0, 0},

	{B(OPT_SB), B(OPT_PAS), "UNUSED1", 1, 0, 1},
	{B(OPT_SB) | B(OPT_UNUSED1), B(OPT_PAS), "UNUSED2", 1, 0, 1},
    {B(OPT_UNUSED1) | B(OPT_MSS) | B(OPT_MPU401), 0, "AEDSP16", 1, 0, 0},
	{AUDIO_CARDS, 0, "UNUSED3", 1, 0, 1},
	{B(OPT_MPU401) | B(OPT_MAUI), 0, "UNUSED4", 0, 0, 0},
	{MIDI_CARDS, 0, "UNUSED5", 1, 0, 1},
	{B(OPT_ADLIB), 0, "YM3812_AUTO", 0, OPT_YM3812, 0},
	{B(OPT_PSS) | B(OPT_SB) | B(OPT_PAS) | B(OPT_ADLIB) | B(OPT_MSS) | B(OPT_PSS), B(OPT_YM3812_AUTO), "YM3812", 1, 0, 1}
};

char           *questions[] =
{
	"ProAudioSpectrum 16 support",
     "100%% Sound Blaster compatibles (SB16/32/64, ESS, Jazz16) support",
	"Generic OPL2/OPL3 FM synthesizer support",
	"Gravis Ultrasound support",
	"MPU-401 support (NOT for SB16)",
	"6850 UART Midi support",
	"PSS (ECHO-ADI2111) support",
	"16 bit sampling option of GUS (_NOT_ GUS MAX)",
	"GUS MAX support",
	"Microsoft Sound System support",
	"Ensoniq SoundScape support",
	"MediaTrix AudioTrix Pro support",
	"Support for OPTi MAD16 and/or Mozart based cards",
	"Support for Crystal CS4232 based (PnP) cards",
	"Support for Turtle Beach Wave Front (Maui, Tropez) synthesizers",
	"Support for PnP sound cards (_EXPERIMENTAL_)",
	"Yamaha OPL3-SA1 audio controller",
	"SoftOSS software wave table engine",

	"*** Unused option 1 ***",
	"*** Unused option 2 ***",
	"Audio Excel DSP 16 initialization support",
	"*** Unused option 3 ***",
	"*** Unused option 4 ***",
	"*** Unused option 5 ***",
	"This should not be asked",
	"FM synthesizer (YM3812/OPL-3) support",
	"Is the sky really falling"
};

/* help text for each option */
char           *help[] =
{
	"Enable this option only if you have a Pro Audio Spectrum 16,\n"
   "Pro Audio Studio 16, or Logitech SoundMan 16. Don't enable this if\n"
	"you have some other card made by MediaVision or Logitech as\n"
	"they are not PAS16 compatible.\n",

	"Enable this if you have an original Sound Blaster card made by\n"
	"Creative Labs or a 100%% hardware compatible clone. For an\n"
	"unknown card you may want to try this if it claims to be\n"
	"Sound Blaster compatible.\n",

      "Enable this option if your sound card has a Yamaha OPL2 or OPL3\n"
	"FM synthesizer chip.\n",

	"Enable this option for any type of Gravis Ultrasound card\n"
	"including the GUS or GUS MAX.\n",

"The MPU401 interface is supported by almost all sound cards. However,\n"
	"some natively supported cards have their own driver for\n"
     "MPU401. Enabling the MPU401 option with these cards will cause a\n"
"conflict. Also enabling MPU401 on a system that doesn't really have a\n"
	"MPU401 could cause some trouble. It's safe to enable this if you have a\n"
	"true MPU401 MIDI interface card.\n",

    "This option enables support for MIDI interfaces based on the 6850\n"
	"UART chip. This interface is rarely found on sound cards.\n",

"Enable this option if you have an Orchid SW32, Cardinal DSP16 or other\n"
"sound card based on the PSS chipset (AD1848 codec, ADSP-2115 DSP chip,\n"
	"and Echo ESC614 ASIC CHIP).\n",

"Enable this if you have installed the 16-bit sampling daughtercard on\n"
	"your GUS card. Do not use if you have a GUS MAX as enabling this option\n"
	"disables GUS MAX support.\n",

	"Enable this option if you have a Gravis Ultrasound MAX sound\n"
	"card\n",

     "Enable this option if you have the original Windows Sound System\n"
	"card made by Microsoft or the Aztech SG 16 Pro or NX16 Pro.\n",

	"Enable this if you have a sound card based on the Ensoniq\n"
    "SoundScape chipset. Such cards are being manufactured by Ensoniq,\n"
	"Spea and Reveal (Reveal makes other cards as well).\n",

	"Enable this option if you have the AudioTrix Pro sound card\n"
	"manufactured by MediaTrix.\n",

   "Enable this if your card has a Mozart (OAK OTI-601) or MAD16 (OPTi\n"
    "82C928 or 82C929) audio interface chip. These chips are currently\n"
    "quite common so it's possible that many no-name cards have one of\n"
 "them. In addition the MAD16 chip is used in some cards made by known\n"
"manufacturers such as Turtle Beach (Tropez), Reveal (some models) and\n"
	"Diamond (latest ones).\n",

"Enable this if you have a card based on the Crystal CS4232 chip set.\n",

      "Enable this option if you have a Turtle Beach Wave Front, Maui,\n"
	"or Tropez sound card.\n",

	"Use this option to enable experimental support for cards that\n"
	"use the Plug and Play protocol.\n",

	"Use this option with Yamaha OPL3-SA1 (YMF701) chip.\n",

"SoftOSS is a virtual wave table engine by 4Front Technologies. It can\n"
	"be used together with any 16 bit stereo soundcard.\n"

	"Enable this option if your card is a Sound Blaster Pro or\n"
 "Sound Blaster 16. It also works with many Sound Blaster Pro clones.\n",

    "Enable this if you have a Sound Blaster 16, including the AWE32.\n",

      "Enable this if you have an Audio Excel DSP16 card. See the file\n"
	"Readme.aedsp16 for more information.\n",

	"This option enables the A/D and D/A converter (PCM) devices\n"
	"supported by almost all sound cards.\n",

	"This should not be asked",

     "This enables the dev/midixx devices and access to any MIDI ports\n"
    "using /dev/sequencer and /dev/music. This option also affects any\n"
	"MPU401 and/or General MIDI compatible devices.\n",

	"This should not be asked",

	"This enables the Yamaha FM synthesizer chip used on many sound\n"
	"cards.\n",

	"Is the sky really falling"
};

struct kludge
  {
	  char           *name;
	  int             mask;
  }
extra_options[] =
{
	{
		"MPU_EMU", MPU_DEVS
	}
	,
	{
		"AD1848", AD1848_DEVS
	}
	,
	{
		"SBDSP", SBDSP_DEVS
	}
	,
	{
		"UART401", UART401_DEVS
	}
	,
	{
		"GUSHW", B(OPT_GUS) | B(OPT_SPNP)
	}
	,
	{
		"SSCAPEHW", B(OPT_SSCAPE) | B(OPT_SPNP)
	}
	,
	{
		"SEQUENCER", SEQUENCER_DEVS
	}
	,
	{
		"AUDIO", AUDIO_CARDS
	}
	,
	{
		"MIDI", MIDI_CARDS
	}
	,
	{
		NULL, 0
	}
};

char           *oldconf = "/etc/soundconf";

int             old_config_used = 0;
int             def_size, sb_base = 0;

unsigned long   selected_options = 0;
int             sb_dma = 0;

int             dump_only = 0;

void            build_defines(void);

#include "hex2hex.h"
int             bin2hex(char *path, char *target, char *varname);

int
can_select_option(int nr)
{

	if (hw_table[nr].conditions)
		if (!(hw_table[nr].conditions & selected_options))
			return 0;

	if (hw_table[nr].exclusive_options)
		if (hw_table[nr].exclusive_options & selected_options)
			return 0;

	if (DISABLED_OPTIONS & B(nr))
		return 0;

	return 1;
}

int
think_positively(char *prompt, int def_answ, char *help)
{
	char            answ[512];
	int             len;

      response:
	fprintf(stderr, prompt);
	if (def_answ)
		fprintf(stderr, " [Y/n/?] ");
	else
		fprintf(stderr, " [N/y/?] ");

	if ((len = read(0, answ, sizeof(answ))) < 1)
	  {
		  fprintf(stderr, "\n\nERROR! Cannot read stdin\n");

		  perror("stdin");
		  printf("invalid_configuration__run_make_config_again\n");
		  exit(-1);
	  }
	if (len < 2)		/*
				 * There is an additional LF at the end
				 */
		return def_answ;

	if (answ[0] == '?')
	  {			/* display help message */
		  fprintf(stderr, "\n");
		  fprintf(stderr, help);
		  fprintf(stderr, "\n");
		  goto response;
	  }
	answ[len - 1] = 0;

	if (!strcmp(answ, "y") || !strcmp(answ, "Y"))
		return 1;

	return 0;
}

int
ask_value(char *format, int default_answer)
{
	char            answ[512];
	int             len, num;

      play_it_again_Sam:

	if ((len = read(0, answ, sizeof(answ))) < 1)
	  {
		  fprintf(stderr, "\n\nERROR! Cannot read stdin\n");

		  perror("stdin");
		  printf("invalid_configuration__run_make_config_again\n");
		  exit(-1);
	  }
	if (len < 2)		/*
				 * There is an additional LF at the end
				 */
		return default_answer;

	answ[len - 1] = 0;

	if (sscanf(answ, format, &num) != 1)
	  {
		  fprintf(stderr, "Illegal format. Try again: ");
		  goto play_it_again_Sam;
	  }
	return num;
}

#define FMT_HEX 1
#define FMT_INT 2

void
show_comment(int mask, char *txt)
{
	int             i;

	if (dump_only)
	  {

		  for (i = 0; i < OPT_LAST; i++)
			  if (mask == B(i))
			    {
				    printf("\n\nif [ \"$CONFIG_%s\" = \"y\" ]; then\n",
					   hw_table[i].macro);
				    printf("comment '%s'\n", txt);
				    printf("fi\n");
			    }
	} else
	  {
		  if (!(mask & selected_options))
			  return;

		  fprintf(stderr, "%s\n", txt);
	  }
}

void
ask_int_choice(int mask, char *macro,
	       char *question,
	       int format,
	       int defa,
	       char *choices)
{
	int             num, i;

	if (dump_only)
	  {

		  for (i = 0; i < OPT_LAST; i++)
			  if (mask == B(i))
			    {
				    unsigned int    j;

				    for (j = 0; j < strlen(choices); j++)
					    if (choices[j] == '\'')
						    choices[j] = '_';

				    printf("\nif [ \"$CONFIG_%s\" = \"y\" ]; then\n",
					   hw_table[i].macro);
				    if (format == FMT_INT)
					    printf("int '%s %s' %s %d\n", question, choices, macro, defa);
				    else
					    printf("hex '%s %s' %s %x\n", question, choices, macro, defa);
				    printf("fi\n");
			    }
	} else
	  {
		  if (!(mask & selected_options))
			  return;

		  fprintf(stderr, "\n%s\n", question);
		  if (strcmp(choices, ""))
			  fprintf(stderr, "Possible values are: %s\n", choices);

		  if (format == FMT_INT)
		    {
			    if (defa == -1)
				    fprintf(stderr, "\t(-1 disables this feature)\n");
			    fprintf(stderr, "The default value is %d\n", defa);
			    fprintf(stderr, "Enter the value: ");
			    num = ask_value("%d", defa);
			    if (num == -1)
				    return;
			    fprintf(stderr, "%s set to %d.\n", question, num);
			    printf("#define %s %d\n", macro, num);
		  } else
		    {
			    if (defa == 0)
				    fprintf(stderr, "\t(0 disables this feature)\n");
			    fprintf(stderr, "The default value is %x\n", defa);
			    fprintf(stderr, "Enter the value: ");
			    num = ask_value("%x", defa);
			    if (num == 0)
				    return;
			    fprintf(stderr, "%s set to %x.\n", question, num);
			    printf("#define %s 0x%x\n", macro, num);
		    }
	  }
}

void
rebuild_file(char *line)
{
	char           *method, *next, *old, *var, *p;

	method = p = line;

	while (*p && *p != ' ')
		p++;
	*p++ = 0;

	old = p;
	while (*p && *p != ' ')
		p++;
	*p++ = 0;

	next = p;
	while (*p && *p != ' ')
		p++;
	*p++ = 0;

	var = p;
	while (*p && *p != ' ')
		p++;
	*p++ = 0;

	fprintf(stderr, "Rebuilding file `%s' (%s %s)\n", next, method, old);

	if (strcmp(method, "bin2hex") == 0)
	  {
		  if (!bin2hex(old, next, var))
		    {
			    fprintf(stderr, "Rebuild failed\n");
			    exit(-1);
		    }
	} else if (strcmp(method, "hex2hex") == 0)
	  {
		  if (!hex2hex(old, next, var))
		    {
			    fprintf(stderr, "Rebuild failed\n");
			    exit(-1);
		    }
	} else
	  {
		  fprintf(stderr, "Failed to build `%s' - unknown method %s\n",
			  next, method);
		  exit(-1);
	  }
}

int
use_old_config(char *filename)
{
	char            buf[1024];
	int             i = 0;

	FILE           *oldf;

	fprintf(stderr, "Copying old configuration from `%s'\n", filename);

	if ((oldf = fopen(filename, "r")) == NULL)
	  {
		  fprintf(stderr, "Couldn't open previous configuration file\n");
		  perror(filename);
		  return 0;
	  }
	while (fgets(buf, 1024, oldf) != NULL)
	  {
		  char            tmp[100];

		  if (buf[0] != '#')
		    {
			    printf("%s", buf);

			    strncpy(tmp, buf, 8);
			    tmp[8] = 0;

			    if (strcmp(tmp, "/*build ") == 0)
				    rebuild_file(&buf[8]);

			    continue;
		    }
		  strncpy(tmp, buf, 8);
		  tmp[8] = 0;

		  if (strcmp(tmp, "#define ") == 0)
		    {
			    char           *id = &buf[8];

			    i = 0;
			    while (id[i] && id[i] != ' ' &&
				   id[i] != '\t' && id[i] != '\n')
				    i++;

			    strncpy(tmp, id, i);
			    tmp[i] = 0;

			    if (strcmp(tmp, "SELECTED_SOUND_OPTIONS") == 0)
				    continue;

			    if (strcmp(tmp, "KERNEL_SOUNDCARD") == 0)
				    continue;

			    if (strcmp(tmp, "JAZZ_DMA16") == 0)		/* Rename it (hack) */
			      {
				      printf("#define SB_DMA2 %s\n",
					     &buf[18]);
				      continue;
			      }
			    if (strcmp(tmp, "SB16_DMA") == 0)	/* Rename it (hack) */
			      {
				      printf("#define SB_DMA2 %s\n",
					     &buf[16]);
				      continue;
			      }
			    tmp[8] = 0;		/* Truncate the string */
			    if (strcmp(tmp, "EXCLUDE_") == 0)
				    continue;	/* Skip excludes */

			    strncpy(tmp, id, i);
			    tmp[7] = 0;		/* Truncate the string */

			    if (strcmp(tmp, "CONFIG_") == 0)
			      {
				      strncpy(tmp, &id[7], i - 7);
				      tmp[i - 7] = 0;

				      for (i = 0; i <= OPT_LAST; i++)
					      if (strcmp(hw_table[i].macro, tmp) == 0)
						{
							selected_options |= (1 << i);
							break;
						}
				      continue;
			      }
			    printf("%s", buf);
			    continue;
		    }
		  if (strcmp(tmp, "#undef  ") == 0)
		    {
			    char           *id = &buf[8];

			    i = 0;
			    while (id[i] && id[i] != ' ' &&
				   id[i] != '\t' && id[i] != '\n')
				    i++;

			    strncpy(tmp, id, i);
			    tmp[7] = 0;		/* Truncate the string */
			    if (strcmp(tmp, "CONFIG_") == 0)
				    continue;

			    strncpy(tmp, id, i);

			    tmp[8] = 0;		/* Truncate the string */
			    if (strcmp(tmp, "EXCLUDE_") != 0)
				    continue;	/* Not a #undef  EXCLUDE_ line */
			    strncpy(tmp, &id[8], i - 8);
			    tmp[i - 8] = 0;

			    for (i = 0; i <= OPT_LAST; i++)
				    if (strcmp(hw_table[i].macro, tmp) == 0)
				      {
					      selected_options |= (1 << i);
					      break;
				      }
			    continue;
		    }
		  printf("%s", buf);
	  }
	fclose(oldf);

	for (i = 0; i <= OPT_LAST; i++)
		if (!hw_table[i].alias)
			if (selected_options & B(i))
				printf("#define CONFIG_%s\n", hw_table[i].macro);
			else
				printf("#undef  CONFIG_%s\n", hw_table[i].macro);


	printf("\n");

	i = 0;

	while (extra_options[i].name != NULL)
	  {
		  if (selected_options & extra_options[i].mask)
			  printf("#define CONFIG_%s\n", extra_options[i].name);
		  else
			  printf("#undef  CONFIG_%s\n", extra_options[i].name);
		  i++;
	  }

	printf("\n");

	printf("#define SELECTED_SOUND_OPTIONS\t0x%08x\n", selected_options);
	fprintf(stderr, "Old configuration copied.\n");

	build_defines();
	old_config_used = 1;
	return 1;
}

void
build_defines(void)
{
	FILE           *optf;
	int             i;

	if ((optf = fopen(".defines", "w")) == NULL)
	  {
		  perror(".defines");
		  exit(-1);
	  }
	for (i = 0; i <= OPT_LAST; i++)
		if (!hw_table[i].alias)
			if (selected_options & B(i))
				fprintf(optf, "CONFIG_%s=y\n", hw_table[i].macro);


	fprintf(optf, "\n");

	i = 0;

	while (extra_options[i].name != NULL)
	  {
		  if (selected_options & extra_options[i].mask)
			  fprintf(optf, "CONFIG_%s=y\n", extra_options[i].name);
		  i++;
	  }

	fprintf(optf, "\n");
	fclose(optf);
}

void
ask_parameters(void)
{
	int             num;

	build_defines();
	/*
	 * IRQ and DMA settings
	 */

	ask_int_choice(B(OPT_AEDSP16), "AEDSP16_BASE",
		       "I/O base for Audio Excel DSP 16",
		       FMT_HEX,
		       0x220,
		       "220 or 240");

	ask_int_choice(B(OPT_SB), "SBC_BASE",
		       "I/O base for SB",
		       FMT_HEX,
		       0x220,
		       "Check from manual of the card");

	ask_int_choice(B(OPT_SB), "SBC_IRQ",
		       "Sound Blaster IRQ",
		       FMT_INT,
		       7,
		       "Check from manual of the card");

	ask_int_choice(B(OPT_SB), "SBC_DMA",
		       "Sound Blaster DMA",
		       FMT_INT,
		       1,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_SB), "SB_DMA2",
		       "Sound Blaster 16 bit DMA (SB16, Jazz16, SMW)",
		       FMT_INT,
		       5,
		       "5, 6 or 7 (use 1 for 8 bit cards)");

	ask_int_choice(B(OPT_SB), "SB_MPU_BASE",
		       "MPU401 I/O base of SB16, Jazz16 and ES1688",
		       FMT_HEX,
		       0x330,
		       "Check from manual of the card");

	show_comment(B(OPT_SB),
	"MPU401 IRQ is only required with Jazz16, SM Wave and ESS1688.");
	show_comment(B(OPT_SB),
		     "Enter -1 to the following question if you have something else such as SB16/32.");

	ask_int_choice(B(OPT_SB), "SB_MPU_IRQ",
		       "SB MPU401 IRQ (Jazz16, SM Wave and ES1688)",
		       FMT_INT,
		       -1,
		       "Check from manual of the card");

	ask_int_choice(B(OPT_PAS), "PAS_IRQ",
		       "PAS16 IRQ",
		       FMT_INT,
		       10,
		       "3, 4, 5, 7, 9, 10, 11, 12, 14 or 15");

	ask_int_choice(B(OPT_PAS), "PAS_DMA",
		       "PAS16 DMA",
		       FMT_INT,
		       3,
		       "0, 1, 3, 5, 6 or 7");

	if (selected_options & B(OPT_PAS))
	  {
		  if (think_positively("Enable Joystick port on ProAudioSpectrum", 0,
				       "Enable this option if you want to use the joystick port provided\n"
				       "on the PAS sound card.\n"))
			  printf("#define PAS_JOYSTICK_ENABLE\n");

		  if (think_positively("Enable PAS16 bus clock option", 0,
				       "The PAS16 can be noisy with some motherboards. There is a command\n"
				       "line switch (:T?) in the DOS driver for PAS16 which solves this.\n"
				       "Don't enable this feature unless you have problems and have to use\n"
				       "this switch with DOS\n"))
			  printf("#define BROKEN_BUS_CLOCK\n");

		  if (think_positively("Disable SB mode of PAS16", 0,
				       "You should disable SB emulation of PAS16 if you want to use\n"
		      "Another SB compatible card in the same system\n"))
			  printf("#define DISABLE_SB_EMULATION\n");
	  }
	ask_int_choice(B(OPT_GUS), "GUS_BASE",
		       "I/O base for GUS",
		       FMT_HEX,
		       0x220,
		       "210, 220, 230, 240, 250 or 260");


	ask_int_choice(B(OPT_GUS), "GUS_IRQ",
		       "GUS IRQ",
		       FMT_INT,
		       15,
		       "3, 5, 7, 9, 11, 12 or 15");

	ask_int_choice(B(OPT_GUS), "GUS_DMA",
		       "GUS DMA",
		       FMT_INT,
		       6,
		       "1, 3, 5, 6 or 7");

	ask_int_choice(B(OPT_GUS), "GUS_DMA2",
		       "Second DMA channel for GUS",
		       FMT_INT,
		       -1,
		       "1, 3, 5, 6 or 7");

	ask_int_choice(B(OPT_GUS16), "GUS16_BASE",
		       "I/O base for the 16 bit daughtercard of GUS",
		       FMT_HEX,
		       0x530,
		       "530, 604, E80 or F40");


	ask_int_choice(B(OPT_GUS16), "GUS16_IRQ",
		       "GUS 16 bit daughtercard IRQ",
		       FMT_INT,
		       7,
		       "3, 4, 5, 7, or 9");

	ask_int_choice(B(OPT_GUS16), "GUS16_DMA",
		       "GUS DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_MPU401), "MPU_BASE",
		       "I/O base for MPU401",
		       FMT_HEX,
		       0x330,
		       "Check from manual of the card");

	ask_int_choice(B(OPT_MPU401), "MPU_IRQ",
		       "MPU401 IRQ",
		       FMT_INT,
		       9,
		       "Check from manual of the card");

	if (dump_only)
		show_comment(B(OPT_MAUI),
			     "ERROR! You have to use old sound configuration method with Maui.");

	ask_int_choice(B(OPT_MAUI), "MAUI_BASE",
		       "I/O base for Maui",
		       FMT_HEX,
		       0x330,
		       "210, 230, 260, 290, 300, 320, 338 or 330");

	ask_int_choice(B(OPT_MAUI), "MAUI_IRQ",
		       "Maui IRQ",
		       FMT_INT,
		       9,
		       "5, 9, 12 or 15");

	ask_int_choice(B(OPT_UART6850), "U6850_BASE",
		       "I/O base for UART 6850 MIDI port",
		       FMT_HEX,
		       0,
		       "(Unknown)");

	ask_int_choice(B(OPT_UART6850), "U6850_IRQ",
		       "UART6850 IRQ",
		       FMT_INT,
		       -1,
		       "(Unknown)");

	if (dump_only)
		show_comment(B(OPT_PSS),
			     "ERROR! You have to use old sound configuration method with PSS cards.");

	ask_int_choice(B(OPT_PSS), "PSS_BASE",
		       "PSS I/O base",
		       FMT_HEX,
		       0x220,
		       "220 or 240");

	ask_int_choice(B(OPT_PSS), "PSS_MSS_BASE",
		       "PSS audio I/O base",
		       FMT_HEX,
		       0x530,
		       "530, 604, E80 or F40");

	ask_int_choice(B(OPT_PSS), "PSS_MSS_IRQ",
		       "PSS audio IRQ",
		       FMT_INT,
		       11,
		       "7, 9, 10 or 11");

	ask_int_choice(B(OPT_PSS), "PSS_MSS_DMA",
		       "PSS audio DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_PSS), "PSS_MPU_BASE",
		       "PSS MIDI I/O base",
		       FMT_HEX,
		       0x330,
		       "");

	ask_int_choice(B(OPT_PSS), "PSS_MPU_IRQ",
		       "PSS MIDI IRQ",
		       FMT_INT,
		       9,
		       "3, 4, 5, 7 or 9");

	ask_int_choice(B(OPT_MSS), "MSS_BASE",
		       "MSS/WSS I/O base",
		       FMT_HEX,
		       0x530,
		       "530, 604, E80 or F40");

	ask_int_choice(B(OPT_MSS), "MSS_IRQ",
		       "MSS/WSS IRQ",
		       FMT_INT,
		       11,
		       "7, 9, 10 or 11");

	ask_int_choice(B(OPT_MSS), "MSS_DMA",
		       "MSS/WSS DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_MSS), "MSS_DMA2",
		       "MSS/WSS second DMA (if possible)",
		       FMT_INT,
		       -1,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_SSCAPE), "SSCAPE_BASE",
		       "SoundScape MIDI I/O base",
		       FMT_HEX,
		       0x330,
		       "320, 330, 340 or 350");

	ask_int_choice(B(OPT_SSCAPE), "SSCAPE_IRQ",
		       "SoundScape MIDI IRQ",
		       FMT_INT,
		       9,
		       "");

	ask_int_choice(B(OPT_SSCAPE), "SSCAPE_DMA",
		       "SoundScape initialization DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_SSCAPE), "SSCAPE_MSS_BASE",
		       "SoundScape audio I/O base",
		       FMT_HEX,
		       0x534,
		       "534, 608, E84 or F44");

	ask_int_choice(B(OPT_SSCAPE), "SSCAPE_MSS_IRQ",
		       "SoundScape audio IRQ",
		       FMT_INT,
		       11,
		       "7, 9, 10 or 11");


	if (selected_options & B(OPT_SSCAPE))
	  {
		  int             reveal_spea;

		  reveal_spea = think_positively(
							"Is your SoundScape card made/marketed by Reveal or Spea",
							0,
							"Enable if you have a SoundScape card with the Reveal or\n"
						   "Spea name on it.\n");
		  if (reveal_spea)
			  printf("#define REVEAL_SPEA\n");

	  }
	if (dump_only)
		show_comment(B(OPT_TRIX),
			     "ERROR! You have to use old sound configuration method with OPL3-SA1.");

	ask_int_choice(B(OPT_TRIX), "TRIX_BASE",
		       "OPL3-SA1 audio I/O base",
		       FMT_HEX,
		       0x530,
		       "530, 604, E80 or F40");

	ask_int_choice(B(OPT_TRIX), "TRIX_IRQ",
		       "OPL3-SA1 audio IRQ",
		       FMT_INT,
		       11,
		       "7, 9, 10 or 11");

	ask_int_choice(B(OPT_TRIX), "TRIX_DMA",
		       "OPL3-SA1 audio DMA",
		       FMT_INT,
		       0,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_TRIX), "TRIX_DMA2",
		       "OPL3-SA1 second (duplex) DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_TRIX), "TRIX_MPU_BASE",
		       "OPL3-SA1 MIDI I/O base",
		       FMT_HEX,
		       0x330,
		       "330, 370, 3B0 or 3F0");

	ask_int_choice(B(OPT_TRIX), "TRIX_MPU_IRQ",
		       "OPL3-SA1 MIDI IRQ",
		       FMT_INT,
		       9,
		       "3, 4, 5, 7 or 9");

	ask_int_choice(B(OPT_TRIX), "TRIX_SB_BASE",
		       "OPL3-SA1 SB I/O base",
		       FMT_HEX,
		       0x220,
		       "220, 210, 230, 240, 250, 260 or 270");

	ask_int_choice(B(OPT_TRIX), "TRIX_SB_IRQ",
		       "OPL3-SA1 SB IRQ",
		       FMT_INT,
		       7,
		       "3, 4, 5 or 7");

	ask_int_choice(B(OPT_TRIX), "TRIX_SB_DMA",
		       "OPL3-SA1 SB DMA",
		       FMT_INT,
		       1,
		       "1 or 3");


	ask_int_choice(B(OPT_OPL3SA1), "OPL3SA1_BASE",
		       "OPL3-SA1 audio I/O base",
		       FMT_HEX,
		       0x530,
		       "530, 604, E80 or F40");

	ask_int_choice(B(OPT_OPL3SA1), "OPL3SA1_IRQ",
		       "OPL3-SA1 audio IRQ",
		       FMT_INT,
		       11,
		       "7, 9, 10 or 11");

	ask_int_choice(B(OPT_OPL3SA1), "OPL3SA1_DMA",
		       "OPL3-SA1 audio DMA",
		       FMT_INT,
		       0,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_OPL3SA1), "OPL3SA1_DMA2",
		       "OPL3-SA1 second (duplex) DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_OPL3SA1), "OPL3SA1_MPU_BASE",
		       "OPL3-SA1 MIDI I/O base",
		       FMT_HEX,
		       0x330,
		       "330, 370, 3B0 or 3F0");

	ask_int_choice(B(OPT_OPL3SA1), "OPL3SA1_MPU_IRQ",
		       "OPL3-SA1 MIDI IRQ",
		       FMT_INT,
		       9,
		       "3, 4, 5, 7 or 9");

	ask_int_choice(B(OPT_CS4232), "CS4232_BASE",
		       "CS4232 audio I/O base",
		       FMT_HEX,
		       0x534,
		       "534, 608, E84 or F44");

	ask_int_choice(B(OPT_CS4232), "CS4232_IRQ",
		       "CS4232 audio IRQ",
		       FMT_INT,
		       11,
		       "5, 7, 9, 11, 12 or 15");

	ask_int_choice(B(OPT_CS4232), "CS4232_DMA",
		       "CS4232 audio DMA",
		       FMT_INT,
		       0,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_CS4232), "CS4232_DMA2",
		       "CS4232 second (duplex) DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_CS4232), "CS4232_MPU_BASE",
		       "CS4232 MIDI I/O base",
		       FMT_HEX,
		       0x330,
		       "330, 370, 3B0 or 3F0");

	ask_int_choice(B(OPT_CS4232), "CS4232_MPU_IRQ",
		       "CS4232 MIDI IRQ",
		       FMT_INT,
		       9,
		       "5, 7, 9, 11, 12 or 15");

	ask_int_choice(B(OPT_MAD16), "MAD16_BASE",
		       "MAD16 audio I/O base",
		       FMT_HEX,
		       0x530,
		       "530, 604, E80 or F40");

	ask_int_choice(B(OPT_MAD16), "MAD16_IRQ",
		       "MAD16 audio IRQ",
		       FMT_INT,
		       11,
		       "7, 9, 10 or 11");

	ask_int_choice(B(OPT_MAD16), "MAD16_DMA",
		       "MAD16 audio DMA",
		       FMT_INT,
		       3,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_MAD16), "MAD16_DMA2",
		       "MAD16 second (duplex) DMA",
		       FMT_INT,
		       0,
		       "0, 1 or 3");

	ask_int_choice(B(OPT_MAD16), "MAD16_MPU_BASE",
		       "MAD16 MIDI I/O base",
		       FMT_HEX,
		       0x330,
		       "300, 310, 320 or 330 (0 disables)");

	ask_int_choice(B(OPT_MAD16), "MAD16_MPU_IRQ",
		       "MAD16 MIDI IRQ",
		       FMT_INT,
		       9,
		       "5, 7, 9 or 10");
	ask_int_choice(B(OPT_SOFTOSS), "SOFTOSS_RATE",
		       "Sampling rate for SoftOSS",
		       FMT_INT,
		       22050,
		       "8000 to 48000");
	ask_int_choice(B(OPT_SOFTOSS), "SOFTOSS_VOICES",
		       "Max # of concurrent voices for SoftOSS",
		       FMT_INT,
		       32,
		       "4 to 32");
}

void
dump_script(void)
{
	int             i;

	for (i = 0; i <= OPT_LAST; i++)
		if (!(DUMMY_OPTS & B(i)))
			if (!(DISABLED_OPTIONS & B(i)))
			  {
				  printf("bool '%s' CONFIG_%s\n", questions[i], hw_table[i].macro);
			  }
/*
 * Some "hardcoded" options
 */

	dump_only = 1;
	selected_options = 0;
	ask_parameters();

	printf("#\n$MAKE -C drivers/sound kernelconfig || exit 1\n");
}

void
dump_fixed_local(void)
{
	int             i = 0;

	printf("/* Computer generated file. Please don't edit! */\n\n");
	printf("#define KERNEL_COMPATIBLE_CONFIG\n\n");
	printf("#define SELECTED_SOUND_OPTIONS\t0x%08x\n\n", selected_options);

	while (extra_options[i].name != NULL)
	  {
		  int             n = 0, j;

		  printf("#if ");

		  for (j = 0; j < OPT_LAST; j++)
			  if (!(DISABLED_OPTIONS & B(j)))
				  if (extra_options[i].mask & B(j))
				    {
					    if (n)
						    printf(" || ");
					    if (!(n++ % 2))
						    printf("\\\n  ");

					    printf("defined(CONFIG_%s)", hw_table[j].macro);
				    }
		  printf("\n");
		  printf("#\tdefine CONFIG_%s\n", extra_options[i].name);
		  printf("#endif\n\n");
		  i++;
	  }
}

void
dump_fixed_defines(void)
{
	int i = 0;

	printf("# Computer generated file. Please don't edit\n\n");

	while (extra_options[i].name != NULL)
	{
		int j;

		for (j = 0; j < OPT_LAST; j++)
		{
			if (!(DISABLED_OPTIONS & B(j)))
			{
				if (extra_options[i].mask & B(j))
				{
					printf("ifdef CONFIG_%s\n", hw_table[j].macro);
					printf ("ifneq ($(CONFIG_%s),Y)\n", extra_options[i].name);
					printf("CONFIG_%s=y\n", extra_options[i].name);
					printf("endif\n");
					printf("endif\n\n");
				}
			}
		}
		i++;
	}
}

int
main(int argc, char *argv[])
{
	int             i, full_driver = 1;
	char            old_config_file[200];

	if (getuid() != 0)	/* Not root */
	  {
		  char           *home;

		  if ((home = getenv("HOME")) != NULL)
		    {
			    sprintf(old_config_file, "%s/.soundconf", home);
			    oldconf = old_config_file;
		    }
	  }
	if (argc > 1)
	  {
		  if (strcmp(argv[1], "-o") == 0 &&
		      use_old_config(oldconf))
			  exit(0);
		  else if (strcmp(argv[1], "script") == 0)
		    {
			    dump_script();
			    exit(0);
		  } else if (strcmp(argv[1], "fixedlocal") == 0)
		    {
			    dump_fixed_local();
			    exit(0);
		  } else if (strcmp(argv[1], "fixeddefines") == 0)
		    {
			    dump_fixed_defines();
			    exit(0);
		    }
	  }
	fprintf(stderr, "\nConfiguring Sound Support\n\n");

	if (access(oldconf, R_OK) == 0)
	  {
		  char            str[255];

		  sprintf(str, "Old configuration exists in `%s'. Use it", oldconf);
		  if (think_positively(str, 1,
				       "Enable this option to load the previously saved configuration file\n"
			    "for all of the sound driver parameters.\n"))
			  if (use_old_config(oldconf))
				  exit(0);
	  }
	printf("/*\tGenerated by configure. Don't edit!!!!\t*/\n");
	printf("/*\tMaking changes to this file is not as simple as it may look.\t*/\n\n");
	printf("/*\tIf you change the CONFIG_ settings in local.h you\t*/\n");
	printf("/*\t_have_ to edit .defines too.\t*/\n\n");

	{
		/*
		 * Partial driver
		 */

		full_driver = 0;

		for (i = 0; i <= OPT_LAST; i++)
			if (can_select_option(i))
			  {
				  if (!(selected_options & B(i)))	/*
									 * Not selected yet
									 */
					  if (!hw_table[i].verify)
					    {
						    if (hw_table[i].alias)
							    selected_options |= B(hw_table[i].alias);
						    else
							    selected_options |= B(i);
					  } else
					    {
						    int             def_answ = hw_table[i].default_answ;

						    if (think_positively(questions[i], def_answ, help[i]))
							    if (hw_table[i].alias)
								    selected_options |= B(hw_table[i].alias);
							    else
								    selected_options |= B(i);
					    }
			  }
	}

	if (selected_options & B(OPT_SB))
	  {
		  if (think_positively(
				    "Support for the SG NX Pro mixer", 0,
					      "Enable this if you want to support the additional mixer functions\n"
		       "provided on Sound Galaxy NX Pro sound cards.\n"))
			  printf("#define __SGNXPRO__\n");
	  }
	if (selected_options & B(OPT_SB))
	  {
		  if (think_positively("Support for the MV Jazz16 (ProSonic etc.)", 0,
				       "Enable this if you have an MV Jazz16 or ProSonic sound card.\n"))
		    {
			    if (think_positively("Do you have SoundMan Wave", 0,
						 "Enable this option of you have the Logitech SoundMan Wave sound card.\n"))
			      {
				      printf("#define SM_WAVE\n");

				    midi0001_again:
				      if (think_positively(
								  "Do you have access to the MIDI0001.BIN file", 1,
								  "The Logitech SoundMan Wave has a microcontroller which must be\n"
								  "initialized before MIDI emulation works. This is possible only if the\n"
								  "microcode file is compiled into the driver.\n"))
					{
						char            path[512];

						fprintf(stderr,
							"Enter full name of the MIDI0001.BIN file (pwd is sound): ");
						scanf("%s", path);
						fprintf(stderr, "including microcode file %s\n", path);

						if (!bin2hex(path, "smw-midi0001.h", "smw_ucode"))
						  {
							  fprintf(stderr, "Couldn't open file %s\n",
								  path);
							  if (think_positively("Try again with correct path", 1,
									       "The specified file could not be opened. Enter the correct path to the\n"
							      "file.\n"))
								  goto midi0001_again;
						} else
						  {
							  printf("#define SMW_MIDI0001_INCLUDED\n");
							  printf("/*build bin2hex %s smw-midi0001.h smw_ucode */\n", path);
						  }
					}
			      }
		    }
	  }
	if (selected_options & B(OPT_SB))
	  {
		  if (think_positively("Do you have a Logitech SoundMan Games", 0,
				       "The Logitech SoundMan Games supports 44 kHz in stereo while the\n"
				       "standard SB Pro supports just 22 kHz stereo. You have the option of\n"
				       "enabling SM Games mode.  However, enable it only if you are sure that\n"
				       "your card is an SM Games. Enabling this feature with a plain old SB\n"
			  "Pro will cause troubles with stereo mode.\n\n"
				       "DANGER! Read the above once again before answering 'y'\n"
			   "Answer 'n' if you are unsure what to do!\n"))
			  printf("#define SM_GAMES\n");
	  }
	if (selected_options & B(OPT_AEDSP16))
	  {
		  int             sel1 = 0;

		  if (selected_options & B(OPT_SB))
		    {

			    if (think_positively(
							"Do you want support for the Audio Excel Sound Blaster Pro mode",
							1,
							"Enable this option if you want the Audio Excel sound card to operate\n"
					 "in Sound Blaster Pro mode.\n"))
			      {
				      printf("#define AEDSP16_SBPRO\n");
				      sel1 = 1;
			      }
		    }
		  if ((selected_options & B(OPT_MSS)) && (sel1 == 0))
		    {

			    if (think_positively(
							"Do you want support for the Audio Excel Microsoft Sound System mode",
							1,
							"Enable this option if you want the Audio Excel sound card to operate\n"
				    "in Microsoft Sound System mode.\n"))
			      {
				      printf("#define AEDSP16_MSS\n");
				      sel1 = 1;
			      }
		    }
		  if (sel1 == 0)
		    {
			    printf("invalid_configuration__run_make_config_again\n");
			    fprintf(stderr, "ERROR!!!!!\nYou must select at least one mode when using Audio Excel!\n");
			    exit(-1);
		    }
		  if (selected_options & B(OPT_MPU401))
			  printf("#define AEDSP16_MPU401\n");
	  }
	if (selected_options & B(OPT_PSS))
	  {
		genld_again:
		  if (think_positively("Do you wish to include an LD file", 1,
				       "If you want to emulate the Sound Blaster card and you have a DSPxxx.LD\n"
		   "file then you must include the LD in the kernel.\n"))
		    {
			    char            path[512];

			    fprintf(stderr,
				    "Enter the path to your LD file (pwd is sound): ");
			    scanf("%s", path);
			    fprintf(stderr, "including LD file %s\n", path);

			    if (!bin2hex(path, "synth-ld.h", "pss_synth"))
			      {
				      fprintf(stderr, "couldn't open `%s' as the LD file\n", path);
				      if (think_positively("try again with correct path", 1,
							   "The given LD file could not opened.\n"))
					      goto genld_again;
			    } else
			      {
				      printf("#define PSS_HAVE_LD\n");
				      printf("/*build bin2hex %s synth-ld.h pss_synth */\n", path);
			      }
		  } else
		    {
			    FILE           *sf = fopen("synth-ld.h", "w");

			    fprintf(sf, "/* automatically generated by configure */\n");
			    fprintf(sf, "unsigned char pss_synth[1];\n"
				    "#define pss_synthLen 0\n");
			    fclose(sf);
		    }
	  }
	if (selected_options & B(OPT_TRIX))
	  {
		hex2hex_again:

		  if (think_positively("Do you want to include TRXPRO.HEX in your kernel",
				       1,
				       "The MediaTrix AudioTrix Pro has an on-board microcontroller which\n"
				       "needs to be initialized by downloading the code from the file TRXPRO.HEX\n"
				       "in the DOS driver directory. If you don't have the TRXPRO.HEX file handy\n"
				       "you may skip this step. However, the SB and MPU-401 modes of AudioTrix\n"
			       "Pro will not work without this file!\n"))
		    {
			    char            path[512];

			    fprintf(stderr,
				    "Enter the path to your TRXPRO.HEX file (pwd is sound): ");
			    scanf("%s", path);
			    fprintf(stderr, "including HEX file `%s'\n", path);

			    if (!hex2hex(path, "trix_boot.h", "trix_boot"))
				    goto hex2hex_again;
			    printf("/*build hex2hex %s trix_boot.h trix_boot */\n", path);
			    printf("#define INCLUDE_TRIX_BOOT\n");
		    }
	  }
	if (selected_options & B(OPT_MSS))
	  {
		  if (think_positively("Support for builtin sound of Compaq Deskpro XL", 0,
			 "Enable this if you have Compaq Deskpro XL.\n"))
		    {
			    printf("#define DESKPROXL\n");
		    }
	  }
	if (selected_options & B(OPT_MAUI))
	  {
		oswf_again:
		  if (think_positively(
			    "Do you have access to the OSWF.MOT file", 1,
					      "TB Maui and Tropez have a microcontroller which needs to be initialized\n"
					      "prior use. OSWF.MOT is a file distributed with card's DOS/Windows drivers\n"
			    "which is required during initialization\n"))
		    {
			    char            path[512];

			    fprintf(stderr,
				    "Enter full name of the OSWF.MOT file (pwd is sound): ");
			    scanf("%s", path);
			    fprintf(stderr, "including microcode file %s\n", path);

			    if (!bin2hex(path, "maui_boot.h", "maui_os"))
			      {
				      fprintf(stderr, "Couldn't open file %s\n",
					      path);
				      if (think_positively("Try again with correct path", 1,
							   "The specified file could not be opened. Enter the correct path to the\n"
							   "file.\n"))
					      goto oswf_again;
			    } else
			      {
				      printf("#define HAVE_MAUI_BOOT\n");
				      printf("/*build bin2hex %s maui_boot.h maui_os */\n", path);
			      }
		    }
	  }
	if (!(selected_options & ANY_DEVS))
	  {
		  printf("invalid_configuration__run_make_config_again\n");
		  fprintf(stderr, "\n*** This combination is useless. Sound driver disabled!!! ***\n*** You need to enable support for at least one device    ***\n\n");
		  exit(0);
	  }
	for (i = 0; i <= OPT_LAST; i++)
		if (!hw_table[i].alias)
			if (selected_options & B(i))
				printf("#define CONFIG_%s\n", hw_table[i].macro);
			else
				printf("#undef  CONFIG_%s\n", hw_table[i].macro);

	printf("\n");

	i = 0;

	while (extra_options[i].name != NULL)
	  {
		  if (selected_options & extra_options[i].mask)
			  printf("#define CONFIG_%s\n", extra_options[i].name);
		  else
			  printf("#undef  CONFIG_%s\n", extra_options[i].name);
		  i++;
	  }

	printf("\n");

	ask_parameters();

	printf("#define SELECTED_SOUND_OPTIONS\t0x%08lx\n", selected_options);
	fprintf(stderr, "\nThe sound driver is now configured.\n");

	if (!old_config_used)
	  {
		  char            str[255];

		  sprintf(str, "Save copy of this configuration to `%s'", oldconf);
		  if (think_positively(str, 1,
				       "If you enable this option then the sound driver configuration is\n"
				       "saved to a file. If you later need to recompile the kernel you have\n"
		       "the option of using the saved configuration.\n"))
		    {
			    char            cmd[200];

			    sprintf(cmd, "cp local.h %s", oldconf);

			    fclose(stdout);
			    if (system(cmd) != 0)
				    perror(cmd);
		    }
	  }
	exit(0);
}

int
bin2hex(char *path, char *target, char *varname)
{
	int             fd;
	int             count;
	char            c;
	int             i = 0;

	if ((fd = open(path, 0)) > 0)
	  {
		  FILE           *sf = fopen(target, "w");

		  fprintf(sf, "/* automatically generated by configure */\n");
		  fprintf(sf, "static unsigned char %s[] = {\n", varname);
		  while (1)
		    {
			    count = read(fd, &c, 1);
			    if (count == 0)
				    break;
			    if (i != 0 && (i % 10) == 0)
				    fprintf(sf, "\n");
			    fprintf(sf, "0x%02lx,", c & 0xFFL);
			    i++;
		    }
		  fprintf(sf, "};\n"
			  "#define %sLen %d\n", varname, i);
		  fclose(sf);
		  close(fd);
		  return 1;
	  }
	return 0;
}