forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathhdsp.c
5212 lines (4467 loc) · 147 KB
/
hdsp.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
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
/*
* ALSA driver for RME Hammerfall DSP audio interface(s)
*
* Copyright (c) 2002 Paul Davis
* Marcus Andersson
* Thomas Charbonnel
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/info.h>
#include <sound/asoundef.h>
#include <sound/rawmidi.h>
#include <sound/hwdep.h>
#include <sound/initval.h>
#include <sound/hdsp.h>
#include <asm/byteorder.h>
#include <asm/current.h>
#include <asm/io.h>
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for RME Hammerfall DSP interface.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for RME Hammerfall DSP interface.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable/disable specific Hammerfall DSP soundcards.");
MODULE_AUTHOR("Paul Davis <[email protected]>, Marcus Andersson, Thomas Charbonnel <[email protected]>");
MODULE_DESCRIPTION("RME Hammerfall DSP");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{RME Hammerfall-DSP},"
"{RME HDSP-9652},"
"{RME HDSP-9632}}");
#ifdef HDSP_FW_LOADER
MODULE_FIRMWARE("multiface_firmware.bin");
MODULE_FIRMWARE("multiface_firmware_rev11.bin");
MODULE_FIRMWARE("digiface_firmware.bin");
MODULE_FIRMWARE("digiface_firmware_rev11.bin");
#endif
#define HDSP_MAX_CHANNELS 26
#define HDSP_MAX_DS_CHANNELS 14
#define HDSP_MAX_QS_CHANNELS 8
#define DIGIFACE_SS_CHANNELS 26
#define DIGIFACE_DS_CHANNELS 14
#define MULTIFACE_SS_CHANNELS 18
#define MULTIFACE_DS_CHANNELS 14
#define H9652_SS_CHANNELS 26
#define H9652_DS_CHANNELS 14
/* This does not include possible Analog Extension Boards
AEBs are detected at card initialization
*/
#define H9632_SS_CHANNELS 12
#define H9632_DS_CHANNELS 8
#define H9632_QS_CHANNELS 4
/* Write registers. These are defined as byte-offsets from the iobase value.
*/
#define HDSP_resetPointer 0
#define HDSP_freqReg 0
#define HDSP_outputBufferAddress 32
#define HDSP_inputBufferAddress 36
#define HDSP_controlRegister 64
#define HDSP_interruptConfirmation 96
#define HDSP_outputEnable 128
#define HDSP_control2Reg 256
#define HDSP_midiDataOut0 352
#define HDSP_midiDataOut1 356
#define HDSP_fifoData 368
#define HDSP_inputEnable 384
/* Read registers. These are defined as byte-offsets from the iobase value
*/
#define HDSP_statusRegister 0
#define HDSP_timecode 128
#define HDSP_status2Register 192
#define HDSP_midiDataIn0 360
#define HDSP_midiDataIn1 364
#define HDSP_midiStatusOut0 384
#define HDSP_midiStatusOut1 388
#define HDSP_midiStatusIn0 392
#define HDSP_midiStatusIn1 396
#define HDSP_fifoStatus 400
/* the meters are regular i/o-mapped registers, but offset
considerably from the rest. the peak registers are reset
when read; the least-significant 4 bits are full-scale counters;
the actual peak value is in the most-significant 24 bits.
*/
#define HDSP_playbackPeakLevel 4096 /* 26 * 32 bit values */
#define HDSP_inputPeakLevel 4224 /* 26 * 32 bit values */
#define HDSP_outputPeakLevel 4352 /* (26+2) * 32 bit values */
#define HDSP_playbackRmsLevel 4612 /* 26 * 64 bit values */
#define HDSP_inputRmsLevel 4868 /* 26 * 64 bit values */
/* This is for H9652 cards
Peak values are read downward from the base
Rms values are read upward
There are rms values for the outputs too
26*3 values are read in ss mode
14*3 in ds mode, with no gap between values
*/
#define HDSP_9652_peakBase 7164
#define HDSP_9652_rmsBase 4096
/* c.f. the hdsp_9632_meters_t struct */
#define HDSP_9632_metersBase 4096
#define HDSP_IO_EXTENT 7168
/* control2 register bits */
#define HDSP_TMS 0x01
#define HDSP_TCK 0x02
#define HDSP_TDI 0x04
#define HDSP_JTAG 0x08
#define HDSP_PWDN 0x10
#define HDSP_PROGRAM 0x020
#define HDSP_CONFIG_MODE_0 0x040
#define HDSP_CONFIG_MODE_1 0x080
#define HDSP_VERSION_BIT 0x100
#define HDSP_BIGENDIAN_MODE 0x200
#define HDSP_RD_MULTIPLE 0x400
#define HDSP_9652_ENABLE_MIXER 0x800
#define HDSP_TDO 0x10000000
#define HDSP_S_PROGRAM (HDSP_PROGRAM|HDSP_CONFIG_MODE_0)
#define HDSP_S_LOAD (HDSP_PROGRAM|HDSP_CONFIG_MODE_1)
/* Control Register bits */
#define HDSP_Start (1<<0) /* start engine */
#define HDSP_Latency0 (1<<1) /* buffer size = 2^n where n is defined by Latency{2,1,0} */
#define HDSP_Latency1 (1<<2) /* [ see above ] */
#define HDSP_Latency2 (1<<3) /* [ see above ] */
#define HDSP_ClockModeMaster (1<<4) /* 1=Master, 0=Slave/Autosync */
#define HDSP_AudioInterruptEnable (1<<5) /* what do you think ? */
#define HDSP_Frequency0 (1<<6) /* 0=44.1kHz/88.2kHz/176.4kHz 1=48kHz/96kHz/192kHz */
#define HDSP_Frequency1 (1<<7) /* 0=32kHz/64kHz/128kHz */
#define HDSP_DoubleSpeed (1<<8) /* 0=normal speed, 1=double speed */
#define HDSP_SPDIFProfessional (1<<9) /* 0=consumer, 1=professional */
#define HDSP_SPDIFEmphasis (1<<10) /* 0=none, 1=on */
#define HDSP_SPDIFNonAudio (1<<11) /* 0=off, 1=on */
#define HDSP_SPDIFOpticalOut (1<<12) /* 1=use 1st ADAT connector for SPDIF, 0=do not */
#define HDSP_SyncRef2 (1<<13)
#define HDSP_SPDIFInputSelect0 (1<<14)
#define HDSP_SPDIFInputSelect1 (1<<15)
#define HDSP_SyncRef0 (1<<16)
#define HDSP_SyncRef1 (1<<17)
#define HDSP_AnalogExtensionBoard (1<<18) /* For H9632 cards */
#define HDSP_XLRBreakoutCable (1<<20) /* For H9632 cards */
#define HDSP_Midi0InterruptEnable (1<<22)
#define HDSP_Midi1InterruptEnable (1<<23)
#define HDSP_LineOut (1<<24)
#define HDSP_ADGain0 (1<<25) /* From here : H9632 specific */
#define HDSP_ADGain1 (1<<26)
#define HDSP_DAGain0 (1<<27)
#define HDSP_DAGain1 (1<<28)
#define HDSP_PhoneGain0 (1<<29)
#define HDSP_PhoneGain1 (1<<30)
#define HDSP_QuadSpeed (1<<31)
#define HDSP_ADGainMask (HDSP_ADGain0|HDSP_ADGain1)
#define HDSP_ADGainMinus10dBV HDSP_ADGainMask
#define HDSP_ADGainPlus4dBu (HDSP_ADGain0)
#define HDSP_ADGainLowGain 0
#define HDSP_DAGainMask (HDSP_DAGain0|HDSP_DAGain1)
#define HDSP_DAGainHighGain HDSP_DAGainMask
#define HDSP_DAGainPlus4dBu (HDSP_DAGain0)
#define HDSP_DAGainMinus10dBV 0
#define HDSP_PhoneGainMask (HDSP_PhoneGain0|HDSP_PhoneGain1)
#define HDSP_PhoneGain0dB HDSP_PhoneGainMask
#define HDSP_PhoneGainMinus6dB (HDSP_PhoneGain0)
#define HDSP_PhoneGainMinus12dB 0
#define HDSP_LatencyMask (HDSP_Latency0|HDSP_Latency1|HDSP_Latency2)
#define HDSP_FrequencyMask (HDSP_Frequency0|HDSP_Frequency1|HDSP_DoubleSpeed|HDSP_QuadSpeed)
#define HDSP_SPDIFInputMask (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
#define HDSP_SPDIFInputADAT1 0
#define HDSP_SPDIFInputCoaxial (HDSP_SPDIFInputSelect0)
#define HDSP_SPDIFInputCdrom (HDSP_SPDIFInputSelect1)
#define HDSP_SPDIFInputAES (HDSP_SPDIFInputSelect0|HDSP_SPDIFInputSelect1)
#define HDSP_SyncRefMask (HDSP_SyncRef0|HDSP_SyncRef1|HDSP_SyncRef2)
#define HDSP_SyncRef_ADAT1 0
#define HDSP_SyncRef_ADAT2 (HDSP_SyncRef0)
#define HDSP_SyncRef_ADAT3 (HDSP_SyncRef1)
#define HDSP_SyncRef_SPDIF (HDSP_SyncRef0|HDSP_SyncRef1)
#define HDSP_SyncRef_WORD (HDSP_SyncRef2)
#define HDSP_SyncRef_ADAT_SYNC (HDSP_SyncRef0|HDSP_SyncRef2)
/* Sample Clock Sources */
#define HDSP_CLOCK_SOURCE_AUTOSYNC 0
#define HDSP_CLOCK_SOURCE_INTERNAL_32KHZ 1
#define HDSP_CLOCK_SOURCE_INTERNAL_44_1KHZ 2
#define HDSP_CLOCK_SOURCE_INTERNAL_48KHZ 3
#define HDSP_CLOCK_SOURCE_INTERNAL_64KHZ 4
#define HDSP_CLOCK_SOURCE_INTERNAL_88_2KHZ 5
#define HDSP_CLOCK_SOURCE_INTERNAL_96KHZ 6
#define HDSP_CLOCK_SOURCE_INTERNAL_128KHZ 7
#define HDSP_CLOCK_SOURCE_INTERNAL_176_4KHZ 8
#define HDSP_CLOCK_SOURCE_INTERNAL_192KHZ 9
/* Preferred sync reference choices - used by "pref_sync_ref" control switch */
#define HDSP_SYNC_FROM_WORD 0
#define HDSP_SYNC_FROM_SPDIF 1
#define HDSP_SYNC_FROM_ADAT1 2
#define HDSP_SYNC_FROM_ADAT_SYNC 3
#define HDSP_SYNC_FROM_ADAT2 4
#define HDSP_SYNC_FROM_ADAT3 5
/* SyncCheck status */
#define HDSP_SYNC_CHECK_NO_LOCK 0
#define HDSP_SYNC_CHECK_LOCK 1
#define HDSP_SYNC_CHECK_SYNC 2
/* AutoSync references - used by "autosync_ref" control switch */
#define HDSP_AUTOSYNC_FROM_WORD 0
#define HDSP_AUTOSYNC_FROM_ADAT_SYNC 1
#define HDSP_AUTOSYNC_FROM_SPDIF 2
#define HDSP_AUTOSYNC_FROM_NONE 3
#define HDSP_AUTOSYNC_FROM_ADAT1 4
#define HDSP_AUTOSYNC_FROM_ADAT2 5
#define HDSP_AUTOSYNC_FROM_ADAT3 6
/* Possible sources of S/PDIF input */
#define HDSP_SPDIFIN_OPTICAL 0 /* optical (ADAT1) */
#define HDSP_SPDIFIN_COAXIAL 1 /* coaxial (RCA) */
#define HDSP_SPDIFIN_INTERNAL 2 /* internal (CDROM) */
#define HDSP_SPDIFIN_AES 3 /* xlr for H9632 (AES)*/
#define HDSP_Frequency32KHz HDSP_Frequency0
#define HDSP_Frequency44_1KHz HDSP_Frequency1
#define HDSP_Frequency48KHz (HDSP_Frequency1|HDSP_Frequency0)
#define HDSP_Frequency64KHz (HDSP_DoubleSpeed|HDSP_Frequency0)
#define HDSP_Frequency88_2KHz (HDSP_DoubleSpeed|HDSP_Frequency1)
#define HDSP_Frequency96KHz (HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
/* For H9632 cards */
#define HDSP_Frequency128KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency0)
#define HDSP_Frequency176_4KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1)
#define HDSP_Frequency192KHz (HDSP_QuadSpeed|HDSP_DoubleSpeed|HDSP_Frequency1|HDSP_Frequency0)
/* RME says n = 104857600000000, but in the windows MADI driver, I see:
return 104857600000000 / rate; // 100 MHz
return 110100480000000 / rate; // 105 MHz
*/
#define DDS_NUMERATOR 104857600000000ULL; /* = 2^20 * 10^8 */
#define hdsp_encode_latency(x) (((x)<<1) & HDSP_LatencyMask)
#define hdsp_decode_latency(x) (((x) & HDSP_LatencyMask)>>1)
#define hdsp_encode_spdif_in(x) (((x)&0x3)<<14)
#define hdsp_decode_spdif_in(x) (((x)>>14)&0x3)
/* Status Register bits */
#define HDSP_audioIRQPending (1<<0)
#define HDSP_Lock2 (1<<1) /* this is for Digiface and H9652 */
#define HDSP_spdifFrequency3 HDSP_Lock2 /* this is for H9632 only */
#define HDSP_Lock1 (1<<2)
#define HDSP_Lock0 (1<<3)
#define HDSP_SPDIFSync (1<<4)
#define HDSP_TimecodeLock (1<<5)
#define HDSP_BufferPositionMask 0x000FFC0 /* Bit 6..15 : h/w buffer pointer */
#define HDSP_Sync2 (1<<16)
#define HDSP_Sync1 (1<<17)
#define HDSP_Sync0 (1<<18)
#define HDSP_DoubleSpeedStatus (1<<19)
#define HDSP_ConfigError (1<<20)
#define HDSP_DllError (1<<21)
#define HDSP_spdifFrequency0 (1<<22)
#define HDSP_spdifFrequency1 (1<<23)
#define HDSP_spdifFrequency2 (1<<24)
#define HDSP_SPDIFErrorFlag (1<<25)
#define HDSP_BufferID (1<<26)
#define HDSP_TimecodeSync (1<<27)
#define HDSP_AEBO (1<<28) /* H9632 specific Analog Extension Boards */
#define HDSP_AEBI (1<<29) /* 0 = present, 1 = absent */
#define HDSP_midi0IRQPending (1<<30)
#define HDSP_midi1IRQPending (1<<31)
#define HDSP_spdifFrequencyMask (HDSP_spdifFrequency0|HDSP_spdifFrequency1|HDSP_spdifFrequency2)
#define HDSP_spdifFrequencyMask_9632 (HDSP_spdifFrequency0|\
HDSP_spdifFrequency1|\
HDSP_spdifFrequency2|\
HDSP_spdifFrequency3)
#define HDSP_spdifFrequency32KHz (HDSP_spdifFrequency0)
#define HDSP_spdifFrequency44_1KHz (HDSP_spdifFrequency1)
#define HDSP_spdifFrequency48KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency1)
#define HDSP_spdifFrequency64KHz (HDSP_spdifFrequency2)
#define HDSP_spdifFrequency88_2KHz (HDSP_spdifFrequency0|HDSP_spdifFrequency2)
#define HDSP_spdifFrequency96KHz (HDSP_spdifFrequency2|HDSP_spdifFrequency1)
/* This is for H9632 cards */
#define HDSP_spdifFrequency128KHz (HDSP_spdifFrequency0|\
HDSP_spdifFrequency1|\
HDSP_spdifFrequency2)
#define HDSP_spdifFrequency176_4KHz HDSP_spdifFrequency3
#define HDSP_spdifFrequency192KHz (HDSP_spdifFrequency3|HDSP_spdifFrequency0)
/* Status2 Register bits */
#define HDSP_version0 (1<<0)
#define HDSP_version1 (1<<1)
#define HDSP_version2 (1<<2)
#define HDSP_wc_lock (1<<3)
#define HDSP_wc_sync (1<<4)
#define HDSP_inp_freq0 (1<<5)
#define HDSP_inp_freq1 (1<<6)
#define HDSP_inp_freq2 (1<<7)
#define HDSP_SelSyncRef0 (1<<8)
#define HDSP_SelSyncRef1 (1<<9)
#define HDSP_SelSyncRef2 (1<<10)
#define HDSP_wc_valid (HDSP_wc_lock|HDSP_wc_sync)
#define HDSP_systemFrequencyMask (HDSP_inp_freq0|HDSP_inp_freq1|HDSP_inp_freq2)
#define HDSP_systemFrequency32 (HDSP_inp_freq0)
#define HDSP_systemFrequency44_1 (HDSP_inp_freq1)
#define HDSP_systemFrequency48 (HDSP_inp_freq0|HDSP_inp_freq1)
#define HDSP_systemFrequency64 (HDSP_inp_freq2)
#define HDSP_systemFrequency88_2 (HDSP_inp_freq0|HDSP_inp_freq2)
#define HDSP_systemFrequency96 (HDSP_inp_freq1|HDSP_inp_freq2)
/* FIXME : more values for 9632 cards ? */
#define HDSP_SelSyncRefMask (HDSP_SelSyncRef0|HDSP_SelSyncRef1|HDSP_SelSyncRef2)
#define HDSP_SelSyncRef_ADAT1 0
#define HDSP_SelSyncRef_ADAT2 (HDSP_SelSyncRef0)
#define HDSP_SelSyncRef_ADAT3 (HDSP_SelSyncRef1)
#define HDSP_SelSyncRef_SPDIF (HDSP_SelSyncRef0|HDSP_SelSyncRef1)
#define HDSP_SelSyncRef_WORD (HDSP_SelSyncRef2)
#define HDSP_SelSyncRef_ADAT_SYNC (HDSP_SelSyncRef0|HDSP_SelSyncRef2)
/* Card state flags */
#define HDSP_InitializationComplete (1<<0)
#define HDSP_FirmwareLoaded (1<<1)
#define HDSP_FirmwareCached (1<<2)
/* FIFO wait times, defined in terms of 1/10ths of msecs */
#define HDSP_LONG_WAIT 5000
#define HDSP_SHORT_WAIT 30
#define UNITY_GAIN 32768
#define MINUS_INFINITY_GAIN 0
/* the size of a substream (1 mono data stream) */
#define HDSP_CHANNEL_BUFFER_SAMPLES (16*1024)
#define HDSP_CHANNEL_BUFFER_BYTES (4*HDSP_CHANNEL_BUFFER_SAMPLES)
/* the size of the area we need to allocate for DMA transfers. the
size is the same regardless of the number of channels - the
Multiface still uses the same memory area.
Note that we allocate 1 more channel than is apparently needed
because the h/w seems to write 1 byte beyond the end of the last
page. Sigh.
*/
#define HDSP_DMA_AREA_BYTES ((HDSP_MAX_CHANNELS+1) * HDSP_CHANNEL_BUFFER_BYTES)
#define HDSP_DMA_AREA_KILOBYTES (HDSP_DMA_AREA_BYTES/1024)
/* use hotplug firmeare loader? */
#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
#if !defined(HDSP_USE_HWDEP_LOADER) && !defined(CONFIG_SND_HDSP)
#define HDSP_FW_LOADER
#endif
#endif
struct hdsp_9632_meters {
u32 input_peak[16];
u32 playback_peak[16];
u32 output_peak[16];
u32 xxx_peak[16];
u32 padding[64];
u32 input_rms_low[16];
u32 playback_rms_low[16];
u32 output_rms_low[16];
u32 xxx_rms_low[16];
u32 input_rms_high[16];
u32 playback_rms_high[16];
u32 output_rms_high[16];
u32 xxx_rms_high[16];
};
struct hdsp_midi {
struct hdsp *hdsp;
int id;
struct snd_rawmidi *rmidi;
struct snd_rawmidi_substream *input;
struct snd_rawmidi_substream *output;
char istimer; /* timer in use */
struct timer_list timer;
spinlock_t lock;
int pending;
};
struct hdsp {
spinlock_t lock;
struct snd_pcm_substream *capture_substream;
struct snd_pcm_substream *playback_substream;
struct hdsp_midi midi[2];
struct tasklet_struct midi_tasklet;
int use_midi_tasklet;
int precise_ptr;
u32 control_register; /* cached value */
u32 control2_register; /* cached value */
u32 creg_spdif;
u32 creg_spdif_stream;
int clock_source_locked;
char *card_name; /* digiface/multiface */
enum HDSP_IO_Type io_type; /* ditto, but for code use */
unsigned short firmware_rev;
unsigned short state; /* stores state bits */
u32 firmware_cache[24413]; /* this helps recover from accidental iobox power failure */
size_t period_bytes; /* guess what this is */
unsigned char max_channels;
unsigned char qs_in_channels; /* quad speed mode for H9632 */
unsigned char ds_in_channels;
unsigned char ss_in_channels; /* different for multiface/digiface */
unsigned char qs_out_channels;
unsigned char ds_out_channels;
unsigned char ss_out_channels;
struct snd_dma_buffer capture_dma_buf;
struct snd_dma_buffer playback_dma_buf;
unsigned char *capture_buffer; /* suitably aligned address */
unsigned char *playback_buffer; /* suitably aligned address */
pid_t capture_pid;
pid_t playback_pid;
int running;
int system_sample_rate;
char *channel_map;
int dev;
int irq;
unsigned long port;
void __iomem *iobase;
struct snd_card *card;
struct snd_pcm *pcm;
struct snd_hwdep *hwdep;
struct pci_dev *pci;
struct snd_kcontrol *spdif_ctl;
unsigned short mixer_matrix[HDSP_MATRIX_MIXER_SIZE];
unsigned int dds_value; /* last value written to freq register */
};
/* These tables map the ALSA channels 1..N to the channels that we
need to use in order to find the relevant channel buffer. RME
refer to this kind of mapping as between "the ADAT channel and
the DMA channel." We index it using the logical audio channel,
and the value is the DMA channel (i.e. channel buffer number)
where the data for that channel can be read/written from/to.
*/
static char channel_map_df_ss[HDSP_MAX_CHANNELS] = {
0, 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
};
static char channel_map_mf_ss[HDSP_MAX_CHANNELS] = { /* Multiface */
/* Analog */
0, 1, 2, 3, 4, 5, 6, 7,
/* ADAT 2 */
16, 17, 18, 19, 20, 21, 22, 23,
/* SPDIF */
24, 25,
-1, -1, -1, -1, -1, -1, -1, -1
};
static char channel_map_ds[HDSP_MAX_CHANNELS] = {
/* ADAT channels are remapped */
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23,
/* channels 12 and 13 are S/PDIF */
24, 25,
/* others don't exist */
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
static char channel_map_H9632_ss[HDSP_MAX_CHANNELS] = {
/* ADAT channels */
0, 1, 2, 3, 4, 5, 6, 7,
/* SPDIF */
8, 9,
/* Analog */
10, 11,
/* AO4S-192 and AI4S-192 extension boards */
12, 13, 14, 15,
/* others don't exist */
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1
};
static char channel_map_H9632_ds[HDSP_MAX_CHANNELS] = {
/* ADAT */
1, 3, 5, 7,
/* SPDIF */
8, 9,
/* Analog */
10, 11,
/* AO4S-192 and AI4S-192 extension boards */
12, 13, 14, 15,
/* others don't exist */
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1
};
static char channel_map_H9632_qs[HDSP_MAX_CHANNELS] = {
/* ADAT is disabled in this mode */
/* SPDIF */
8, 9,
/* Analog */
10, 11,
/* AO4S-192 and AI4S-192 extension boards */
12, 13, 14, 15,
/* others don't exist */
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1
};
static int snd_hammerfall_get_buffer(struct pci_dev *pci, struct snd_dma_buffer *dmab, size_t size)
{
dmab->dev.type = SNDRV_DMA_TYPE_DEV;
dmab->dev.dev = snd_dma_pci_data(pci);
if (snd_dma_get_reserved_buf(dmab, snd_dma_pci_buf_id(pci))) {
if (dmab->bytes >= size)
return 0;
}
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
size, dmab) < 0)
return -ENOMEM;
return 0;
}
static void snd_hammerfall_free_buffer(struct snd_dma_buffer *dmab, struct pci_dev *pci)
{
if (dmab->area) {
dmab->dev.dev = NULL; /* make it anonymous */
snd_dma_reserve_buf(dmab, snd_dma_pci_buf_id(pci));
}
}
static struct pci_device_id snd_hdsp_ids[] = {
{
.vendor = PCI_VENDOR_ID_XILINX,
.device = PCI_DEVICE_ID_XILINX_HAMMERFALL_DSP,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
}, /* RME Hammerfall-DSP */
{ 0, },
};
MODULE_DEVICE_TABLE(pci, snd_hdsp_ids);
/* prototypes */
static int snd_hdsp_create_alsa_devices(struct snd_card *card, struct hdsp *hdsp);
static int snd_hdsp_create_pcm(struct snd_card *card, struct hdsp *hdsp);
static int snd_hdsp_enable_io (struct hdsp *hdsp);
static void snd_hdsp_initialize_midi_flush (struct hdsp *hdsp);
static void snd_hdsp_initialize_channels (struct hdsp *hdsp);
static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout);
static int hdsp_autosync_ref(struct hdsp *hdsp);
static int snd_hdsp_set_defaults(struct hdsp *hdsp);
static void snd_hdsp_9652_enable_mixer (struct hdsp *hdsp);
static int hdsp_playback_to_output_key (struct hdsp *hdsp, int in, int out)
{
switch (hdsp->io_type) {
case Multiface:
case Digiface:
default:
if (hdsp->firmware_rev == 0xa)
return (64 * out) + (32 + (in));
else
return (52 * out) + (26 + (in));
case H9632:
return (32 * out) + (16 + (in));
case H9652:
return (52 * out) + (26 + (in));
}
}
static int hdsp_input_to_output_key (struct hdsp *hdsp, int in, int out)
{
switch (hdsp->io_type) {
case Multiface:
case Digiface:
default:
if (hdsp->firmware_rev == 0xa)
return (64 * out) + in;
else
return (52 * out) + in;
case H9632:
return (32 * out) + in;
case H9652:
return (52 * out) + in;
}
}
static void hdsp_write(struct hdsp *hdsp, int reg, int val)
{
writel(val, hdsp->iobase + reg);
}
static unsigned int hdsp_read(struct hdsp *hdsp, int reg)
{
return readl (hdsp->iobase + reg);
}
static int hdsp_check_for_iobox (struct hdsp *hdsp)
{
if (hdsp->io_type == H9652 || hdsp->io_type == H9632) return 0;
if (hdsp_read (hdsp, HDSP_statusRegister) & HDSP_ConfigError) {
snd_printk ("Hammerfall-DSP: no Digiface or Multiface connected!\n");
hdsp->state &= ~HDSP_FirmwareLoaded;
return -EIO;
}
return 0;
}
static int snd_hdsp_load_firmware_from_cache(struct hdsp *hdsp) {
int i;
unsigned long flags;
if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
snd_printk ("Hammerfall-DSP: loading firmware\n");
hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_PROGRAM);
hdsp_write (hdsp, HDSP_fifoData, 0);
if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
snd_printk ("Hammerfall-DSP: timeout waiting for download preparation\n");
return -EIO;
}
hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
for (i = 0; i < 24413; ++i) {
hdsp_write(hdsp, HDSP_fifoData, hdsp->firmware_cache[i]);
if (hdsp_fifo_wait (hdsp, 127, HDSP_LONG_WAIT)) {
snd_printk ("Hammerfall-DSP: timeout during firmware loading\n");
return -EIO;
}
}
ssleep(3);
if (hdsp_fifo_wait (hdsp, 0, HDSP_LONG_WAIT)) {
snd_printk ("Hammerfall-DSP: timeout at end of firmware loading\n");
return -EIO;
}
#ifdef SNDRV_BIG_ENDIAN
hdsp->control2_register = HDSP_BIGENDIAN_MODE;
#else
hdsp->control2_register = 0;
#endif
hdsp_write (hdsp, HDSP_control2Reg, hdsp->control2_register);
snd_printk ("Hammerfall-DSP: finished firmware loading\n");
}
if (hdsp->state & HDSP_InitializationComplete) {
snd_printk(KERN_INFO "Hammerfall-DSP: firmware loaded from cache, restoring defaults\n");
spin_lock_irqsave(&hdsp->lock, flags);
snd_hdsp_set_defaults(hdsp);
spin_unlock_irqrestore(&hdsp->lock, flags);
}
hdsp->state |= HDSP_FirmwareLoaded;
return 0;
}
static int hdsp_get_iobox_version (struct hdsp *hdsp)
{
if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
hdsp_write (hdsp, HDSP_control2Reg, HDSP_PROGRAM);
hdsp_write (hdsp, HDSP_fifoData, 0);
if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT) < 0)
return -EIO;
hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
hdsp_write (hdsp, HDSP_fifoData, 0);
if (hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT)) {
hdsp->io_type = Multiface;
hdsp_write (hdsp, HDSP_control2Reg, HDSP_VERSION_BIT);
hdsp_write (hdsp, HDSP_control2Reg, HDSP_S_LOAD);
hdsp_fifo_wait (hdsp, 0, HDSP_SHORT_WAIT);
} else {
hdsp->io_type = Digiface;
}
} else {
/* firmware was already loaded, get iobox type */
if (hdsp_read(hdsp, HDSP_status2Register) & HDSP_version1)
hdsp->io_type = Multiface;
else
hdsp->io_type = Digiface;
}
return 0;
}
#ifdef HDSP_FW_LOADER
static int hdsp_request_fw_loader(struct hdsp *hdsp);
#endif
static int hdsp_check_for_firmware (struct hdsp *hdsp, int load_on_demand)
{
if (hdsp->io_type == H9652 || hdsp->io_type == H9632)
return 0;
if ((hdsp_read (hdsp, HDSP_statusRegister) & HDSP_DllError) != 0) {
hdsp->state &= ~HDSP_FirmwareLoaded;
if (! load_on_demand)
return -EIO;
snd_printk(KERN_ERR "Hammerfall-DSP: firmware not present.\n");
/* try to load firmware */
if (! (hdsp->state & HDSP_FirmwareCached)) {
#ifdef HDSP_FW_LOADER
if (! hdsp_request_fw_loader(hdsp))
return 0;
#endif
snd_printk(KERN_ERR
"Hammerfall-DSP: No firmware loaded nor "
"cached, please upload firmware.\n");
return -EIO;
}
if (snd_hdsp_load_firmware_from_cache(hdsp) != 0) {
snd_printk(KERN_ERR
"Hammerfall-DSP: Firmware loading from "
"cache failed, please upload manually.\n");
return -EIO;
}
}
return 0;
}
static int hdsp_fifo_wait(struct hdsp *hdsp, int count, int timeout)
{
int i;
/* the fifoStatus registers reports on how many words
are available in the command FIFO.
*/
for (i = 0; i < timeout; i++) {
if ((int)(hdsp_read (hdsp, HDSP_fifoStatus) & 0xff) <= count)
return 0;
/* not very friendly, but we only do this during a firmware
load and changing the mixer, so we just put up with it.
*/
udelay (100);
}
snd_printk ("Hammerfall-DSP: wait for FIFO status <= %d failed after %d iterations\n",
count, timeout);
return -1;
}
static int hdsp_read_gain (struct hdsp *hdsp, unsigned int addr)
{
if (addr >= HDSP_MATRIX_MIXER_SIZE)
return 0;
return hdsp->mixer_matrix[addr];
}
static int hdsp_write_gain(struct hdsp *hdsp, unsigned int addr, unsigned short data)
{
unsigned int ad;
if (addr >= HDSP_MATRIX_MIXER_SIZE)
return -1;
if (hdsp->io_type == H9652 || hdsp->io_type == H9632) {
/* from martin bjornsen:
"You can only write dwords to the
mixer memory which contain two
mixer values in the low and high
word. So if you want to change
value 0 you have to read value 1
from the cache and write both to
the first dword in the mixer
memory."
*/
if (hdsp->io_type == H9632 && addr >= 512)
return 0;
if (hdsp->io_type == H9652 && addr >= 1352)
return 0;
hdsp->mixer_matrix[addr] = data;
/* `addr' addresses a 16-bit wide address, but
the address space accessed via hdsp_write
uses byte offsets. put another way, addr
varies from 0 to 1351, but to access the
corresponding memory location, we need
to access 0 to 2703 ...
*/
ad = addr/2;
hdsp_write (hdsp, 4096 + (ad*4),
(hdsp->mixer_matrix[(addr&0x7fe)+1] << 16) +
hdsp->mixer_matrix[addr&0x7fe]);
return 0;
} else {
ad = (addr << 16) + data;
if (hdsp_fifo_wait(hdsp, 127, HDSP_LONG_WAIT))
return -1;
hdsp_write (hdsp, HDSP_fifoData, ad);
hdsp->mixer_matrix[addr] = data;
}
return 0;
}
static int snd_hdsp_use_is_exclusive(struct hdsp *hdsp)
{
unsigned long flags;
int ret = 1;
spin_lock_irqsave(&hdsp->lock, flags);
if ((hdsp->playback_pid != hdsp->capture_pid) &&
(hdsp->playback_pid >= 0) && (hdsp->capture_pid >= 0))
ret = 0;
spin_unlock_irqrestore(&hdsp->lock, flags);
return ret;
}
static int hdsp_spdif_sample_rate(struct hdsp *hdsp)
{
unsigned int status = hdsp_read(hdsp, HDSP_statusRegister);
unsigned int rate_bits = (status & HDSP_spdifFrequencyMask);
/* For the 9632, the mask is different */
if (hdsp->io_type == H9632)
rate_bits = (status & HDSP_spdifFrequencyMask_9632);
if (status & HDSP_SPDIFErrorFlag)
return 0;
switch (rate_bits) {
case HDSP_spdifFrequency32KHz: return 32000;
case HDSP_spdifFrequency44_1KHz: return 44100;
case HDSP_spdifFrequency48KHz: return 48000;
case HDSP_spdifFrequency64KHz: return 64000;
case HDSP_spdifFrequency88_2KHz: return 88200;
case HDSP_spdifFrequency96KHz: return 96000;
case HDSP_spdifFrequency128KHz:
if (hdsp->io_type == H9632) return 128000;
break;
case HDSP_spdifFrequency176_4KHz:
if (hdsp->io_type == H9632) return 176400;
break;
case HDSP_spdifFrequency192KHz:
if (hdsp->io_type == H9632) return 192000;
break;
default:
break;
}
snd_printk ("Hammerfall-DSP: unknown spdif frequency status; bits = 0x%x, status = 0x%x\n", rate_bits, status);
return 0;
}
static int hdsp_external_sample_rate(struct hdsp *hdsp)
{
unsigned int status2 = hdsp_read(hdsp, HDSP_status2Register);
unsigned int rate_bits = status2 & HDSP_systemFrequencyMask;
/* For the 9632 card, there seems to be no bit for indicating external
* sample rate greater than 96kHz. The card reports the corresponding
* single speed. So the best means seems to get spdif rate when
* autosync reference is spdif */
if (hdsp->io_type == H9632 &&
hdsp_autosync_ref(hdsp) == HDSP_AUTOSYNC_FROM_SPDIF)
return hdsp_spdif_sample_rate(hdsp);
switch (rate_bits) {
case HDSP_systemFrequency32: return 32000;
case HDSP_systemFrequency44_1: return 44100;
case HDSP_systemFrequency48: return 48000;
case HDSP_systemFrequency64: return 64000;
case HDSP_systemFrequency88_2: return 88200;
case HDSP_systemFrequency96: return 96000;
default:
return 0;
}
}
static void hdsp_compute_period_size(struct hdsp *hdsp)
{
hdsp->period_bytes = 1 << ((hdsp_decode_latency(hdsp->control_register) + 8));
}
static snd_pcm_uframes_t hdsp_hw_pointer(struct hdsp *hdsp)
{
int position;
position = hdsp_read(hdsp, HDSP_statusRegister);
if (!hdsp->precise_ptr)
return (position & HDSP_BufferID) ? (hdsp->period_bytes / 4) : 0;
position &= HDSP_BufferPositionMask;
position /= 4;
position &= (hdsp->period_bytes/2) - 1;
return position;
}
static void hdsp_reset_hw_pointer(struct hdsp *hdsp)
{
hdsp_write (hdsp, HDSP_resetPointer, 0);
if (hdsp->io_type == H9632 && hdsp->firmware_rev >= 152)
/* HDSP_resetPointer = HDSP_freqReg, which is strange and
* requires (?) to write again DDS value after a reset pointer
* (at least, it works like this) */
hdsp_write (hdsp, HDSP_freqReg, hdsp->dds_value);
}
static void hdsp_start_audio(struct hdsp *s)
{
s->control_register |= (HDSP_AudioInterruptEnable | HDSP_Start);
hdsp_write(s, HDSP_controlRegister, s->control_register);
}
static void hdsp_stop_audio(struct hdsp *s)
{
s->control_register &= ~(HDSP_Start | HDSP_AudioInterruptEnable);
hdsp_write(s, HDSP_controlRegister, s->control_register);
}
static void hdsp_silence_playback(struct hdsp *hdsp)
{
memset(hdsp->playback_buffer, 0, HDSP_DMA_AREA_BYTES);
}