forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 17
/
dsp_spos_scb_lib.c
1803 lines (1486 loc) · 48.5 KB
/
dsp_spos_scb_lib.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
/*
*
* 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
*
*/
/*
* 2002-07 Benny Sjostrand [email protected]
*/
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/info.h>
#include "cs46xx.h"
#include "cs46xx_lib.h"
#include "dsp_spos.h"
struct proc_scb_info {
struct dsp_scb_descriptor * scb_desc;
struct snd_cs46xx *chip;
};
static void remove_symbol (struct snd_cs46xx * chip, struct dsp_symbol_entry * symbol)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
int symbol_index = (int)(symbol - ins->symbol_table.symbols);
if (snd_BUG_ON(ins->symbol_table.nsymbols <= 0))
return;
if (snd_BUG_ON(symbol_index < 0 ||
symbol_index >= ins->symbol_table.nsymbols))
return;
ins->symbol_table.symbols[symbol_index].deleted = 1;
if (symbol_index < ins->symbol_table.highest_frag_index) {
ins->symbol_table.highest_frag_index = symbol_index;
}
if (symbol_index == ins->symbol_table.nsymbols - 1)
ins->symbol_table.nsymbols --;
if (ins->symbol_table.highest_frag_index > ins->symbol_table.nsymbols) {
ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols;
}
}
#ifdef CONFIG_PROC_FS
static void cs46xx_dsp_proc_scb_info_read (struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct proc_scb_info * scb_info = entry->private_data;
struct dsp_scb_descriptor * scb = scb_info->scb_desc;
struct dsp_spos_instance * ins;
struct snd_cs46xx *chip = scb_info->chip;
int j,col;
void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
ins = chip->dsp_spos_instance;
mutex_lock(&chip->spos_mutex);
snd_iprintf(buffer,"%04x %s:\n",scb->address,scb->scb_name);
for (col = 0,j = 0;j < 0x10; j++,col++) {
if (col == 4) {
snd_iprintf(buffer,"\n");
col = 0;
}
snd_iprintf(buffer,"%08x ",readl(dst + (scb->address + j) * sizeof(u32)));
}
snd_iprintf(buffer,"\n");
if (scb->parent_scb_ptr != NULL) {
snd_iprintf(buffer,"parent [%s:%04x] ",
scb->parent_scb_ptr->scb_name,
scb->parent_scb_ptr->address);
} else snd_iprintf(buffer,"parent [none] ");
snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x] task_entry [%s:%04x]\n",
scb->sub_list_ptr->scb_name,
scb->sub_list_ptr->address,
scb->next_scb_ptr->scb_name,
scb->next_scb_ptr->address,
scb->task_entry->symbol_name,
scb->task_entry->address);
snd_iprintf(buffer,"index [%d] ref_count [%d]\n",scb->index,scb->ref_count);
mutex_unlock(&chip->spos_mutex);
}
#endif
static void _dsp_unlink_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor * scb)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
if ( scb->parent_scb_ptr ) {
/* unlink parent SCB */
if (snd_BUG_ON(scb->parent_scb_ptr->sub_list_ptr != scb &&
scb->parent_scb_ptr->next_scb_ptr != scb))
return;
if (scb->parent_scb_ptr->sub_list_ptr == scb) {
if (scb->next_scb_ptr == ins->the_null_scb) {
/* last and only node in parent sublist */
scb->parent_scb_ptr->sub_list_ptr = scb->sub_list_ptr;
if (scb->sub_list_ptr != ins->the_null_scb) {
scb->sub_list_ptr->parent_scb_ptr = scb->parent_scb_ptr;
}
scb->sub_list_ptr = ins->the_null_scb;
} else {
/* first node in parent sublist */
scb->parent_scb_ptr->sub_list_ptr = scb->next_scb_ptr;
if (scb->next_scb_ptr != ins->the_null_scb) {
/* update next node parent ptr. */
scb->next_scb_ptr->parent_scb_ptr = scb->parent_scb_ptr;
}
scb->next_scb_ptr = ins->the_null_scb;
}
} else {
scb->parent_scb_ptr->next_scb_ptr = scb->next_scb_ptr;
if (scb->next_scb_ptr != ins->the_null_scb) {
/* update next node parent ptr. */
scb->next_scb_ptr->parent_scb_ptr = scb->parent_scb_ptr;
}
scb->next_scb_ptr = ins->the_null_scb;
}
/* update parent first entry in DSP RAM */
cs46xx_dsp_spos_update_scb(chip,scb->parent_scb_ptr);
/* then update entry in DSP RAM */
cs46xx_dsp_spos_update_scb(chip,scb);
scb->parent_scb_ptr = NULL;
}
}
static void _dsp_clear_sample_buffer (struct snd_cs46xx *chip, u32 sample_buffer_addr,
int dword_count)
{
void __iomem *dst = chip->region.idx[2].remap_addr + sample_buffer_addr;
int i;
for (i = 0; i < dword_count ; ++i ) {
writel(0, dst);
dst += 4;
}
}
void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip, struct dsp_scb_descriptor * scb)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
unsigned long flags;
/* check integrety */
if (snd_BUG_ON(scb->index < 0 ||
scb->index >= ins->nscb ||
(ins->scbs + scb->index) != scb))
return;
#if 0
/* can't remove a SCB with childs before
removing childs first */
if (snd_BUG_ON(scb->sub_list_ptr != ins->the_null_scb ||
scb->next_scb_ptr != ins->the_null_scb))
goto _end;
#endif
spin_lock_irqsave(&chip->reg_lock, flags);
_dsp_unlink_scb (chip,scb);
spin_unlock_irqrestore(&chip->reg_lock, flags);
cs46xx_dsp_proc_free_scb_desc(scb);
if (snd_BUG_ON(!scb->scb_symbol))
return;
remove_symbol (chip,scb->scb_symbol);
ins->scbs[scb->index].deleted = 1;
#ifdef CONFIG_PM_SLEEP
kfree(ins->scbs[scb->index].data);
ins->scbs[scb->index].data = NULL;
#endif
if (scb->index < ins->scb_highest_frag_index)
ins->scb_highest_frag_index = scb->index;
if (scb->index == ins->nscb - 1) {
ins->nscb --;
}
if (ins->scb_highest_frag_index > ins->nscb) {
ins->scb_highest_frag_index = ins->nscb;
}
#if 0
/* !!!! THIS IS A PIECE OF SHIT MADE BY ME !!! */
for(i = scb->index + 1;i < ins->nscb; ++i) {
ins->scbs[i - 1].index = i - 1;
}
#endif
}
#ifdef CONFIG_PROC_FS
void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb)
{
if (scb->proc_info) {
struct proc_scb_info * scb_info = scb->proc_info->private_data;
struct snd_cs46xx *chip = scb_info->chip;
dev_dbg(chip->card->dev,
"cs46xx_dsp_proc_free_scb_desc: freeing %s\n",
scb->scb_name);
snd_info_free_entry(scb->proc_info);
scb->proc_info = NULL;
kfree (scb_info);
}
}
void cs46xx_dsp_proc_register_scb_desc (struct snd_cs46xx *chip,
struct dsp_scb_descriptor * scb)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
struct snd_info_entry * entry;
struct proc_scb_info * scb_info;
/* register to proc */
if (ins->snd_card != NULL && ins->proc_dsp_dir != NULL &&
scb->proc_info == NULL) {
if ((entry = snd_info_create_card_entry(ins->snd_card, scb->scb_name,
ins->proc_dsp_dir)) != NULL) {
scb_info = kmalloc(sizeof(struct proc_scb_info), GFP_KERNEL);
if (!scb_info) {
snd_info_free_entry(entry);
entry = NULL;
goto out;
}
scb_info->chip = chip;
scb_info->scb_desc = scb;
entry->content = SNDRV_INFO_CONTENT_TEXT;
entry->private_data = scb_info;
entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
entry->c.text.read = cs46xx_dsp_proc_scb_info_read;
if (snd_info_register(entry) < 0) {
snd_info_free_entry(entry);
kfree (scb_info);
entry = NULL;
}
}
out:
scb->proc_info = entry;
}
}
#endif /* CONFIG_PROC_FS */
static struct dsp_scb_descriptor *
_dsp_create_generic_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest,
struct dsp_symbol_entry * task_entry,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
struct dsp_scb_descriptor * scb;
unsigned long flags;
if (snd_BUG_ON(!ins->the_null_scb))
return NULL;
/* fill the data that will be wroten to DSP */
scb_data[SCBsubListPtr] =
(ins->the_null_scb->address << 0x10) | ins->the_null_scb->address;
scb_data[SCBfuncEntryPtr] &= 0xFFFF0000;
scb_data[SCBfuncEntryPtr] |= task_entry->address;
dev_dbg(chip->card->dev, "dsp_spos: creating SCB <%s>\n", name);
scb = cs46xx_dsp_create_scb(chip,name,scb_data,dest);
scb->sub_list_ptr = ins->the_null_scb;
scb->next_scb_ptr = ins->the_null_scb;
scb->parent_scb_ptr = parent_scb;
scb->task_entry = task_entry;
/* update parent SCB */
if (scb->parent_scb_ptr) {
#if 0
dev_dbg(chip->card->dev,
"scb->parent_scb_ptr = %s\n",
scb->parent_scb_ptr->scb_name);
dev_dbg(chip->card->dev,
"scb->parent_scb_ptr->next_scb_ptr = %s\n",
scb->parent_scb_ptr->next_scb_ptr->scb_name);
dev_dbg(chip->card->dev,
"scb->parent_scb_ptr->sub_list_ptr = %s\n",
scb->parent_scb_ptr->sub_list_ptr->scb_name);
#endif
/* link to parent SCB */
if (scb_child_type == SCB_ON_PARENT_NEXT_SCB) {
if (snd_BUG_ON(scb->parent_scb_ptr->next_scb_ptr !=
ins->the_null_scb))
return NULL;
scb->parent_scb_ptr->next_scb_ptr = scb;
} else if (scb_child_type == SCB_ON_PARENT_SUBLIST_SCB) {
if (snd_BUG_ON(scb->parent_scb_ptr->sub_list_ptr !=
ins->the_null_scb))
return NULL;
scb->parent_scb_ptr->sub_list_ptr = scb;
} else {
snd_BUG();
}
spin_lock_irqsave(&chip->reg_lock, flags);
/* update entry in DSP RAM */
cs46xx_dsp_spos_update_scb(chip,scb->parent_scb_ptr);
spin_unlock_irqrestore(&chip->reg_lock, flags);
}
cs46xx_dsp_proc_register_scb_desc (chip,scb);
return scb;
}
static struct dsp_scb_descriptor *
cs46xx_dsp_create_generic_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data,
u32 dest, char * task_entry_name,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_symbol_entry * task_entry;
task_entry = cs46xx_dsp_lookup_symbol (chip,task_entry_name,
SYMBOL_CODE);
if (task_entry == NULL) {
dev_err(chip->card->dev,
"dsp_spos: symbol %s not found\n", task_entry_name);
return NULL;
}
return _dsp_create_generic_scb (chip,name,scb_data,dest,task_entry,
parent_scb,scb_child_type);
}
struct dsp_scb_descriptor *
cs46xx_dsp_create_timing_master_scb (struct snd_cs46xx *chip)
{
struct dsp_scb_descriptor * scb;
struct dsp_timing_master_scb timing_master_scb = {
{ 0,
0,
0,
0
},
{ 0,
0,
0,
0,
0
},
0,0,
0,NULL_SCB_ADDR,
0,0, /* extraSampleAccum:TMreserved */
0,0, /* codecFIFOptr:codecFIFOsyncd */
0x0001,0x8000, /* fracSampAccumQm1:TMfrmsLeftInGroup */
0x0001,0x0000, /* fracSampCorrectionQm1:TMfrmGroupLength */
0x00060000 /* nSampPerFrmQ15 */
};
scb = cs46xx_dsp_create_generic_scb(chip,"TimingMasterSCBInst",(u32 *)&timing_master_scb,
TIMINGMASTER_SCB_ADDR,
"TIMINGMASTER",NULL,SCB_NO_PARENT);
return scb;
}
struct dsp_scb_descriptor *
cs46xx_dsp_create_codec_out_scb(struct snd_cs46xx * chip, char * codec_name,
u16 channel_disp, u16 fifo_addr, u16 child_scb_addr,
u32 dest, struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_scb_descriptor * scb;
struct dsp_codec_output_scb codec_out_scb = {
{ 0,
0,
0,
0
},
{
0,
0,
0,
0,
0
},
0,0,
0,NULL_SCB_ADDR,
0, /* COstrmRsConfig */
0, /* COstrmBufPtr */
channel_disp,fifo_addr, /* leftChanBaseIOaddr:rightChanIOdisp */
0x0000,0x0080, /* (!AC97!) COexpVolChangeRate:COscaleShiftCount */
0,child_scb_addr /* COreserved - need child scb to work with rom code */
};
scb = cs46xx_dsp_create_generic_scb(chip,codec_name,(u32 *)&codec_out_scb,
dest,"S16_CODECOUTPUTTASK",parent_scb,
scb_child_type);
return scb;
}
struct dsp_scb_descriptor *
cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name,
u16 channel_disp, u16 fifo_addr, u16 sample_buffer_addr,
u32 dest, struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_scb_descriptor * scb;
struct dsp_codec_input_scb codec_input_scb = {
{ 0,
0,
0,
0
},
{
0,
0,
0,
0,
0
},
#if 0 /* cs4620 */
SyncIOSCB,NULL_SCB_ADDR
#else
0 , 0,
#endif
0,0,
RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64, /* strmRsConfig */
sample_buffer_addr << 0x10, /* strmBufPtr; defined as a dword ptr, used as a byte ptr */
channel_disp,fifo_addr, /* (!AC97!) leftChanBaseINaddr=AC97primary
link input slot 3 :rightChanINdisp=""slot 4 */
0x0000,0x0000, /* (!AC97!) ????:scaleShiftCount; no shift needed
because AC97 is already 20 bits */
0x80008000 /* ??clw cwcgame.scb has 0 */
};
scb = cs46xx_dsp_create_generic_scb(chip,codec_name,(u32 *)&codec_input_scb,
dest,"S16_CODECINPUTTASK",parent_scb,
scb_child_type);
return scb;
}
static struct dsp_scb_descriptor *
cs46xx_dsp_create_pcm_reader_scb(struct snd_cs46xx * chip, char * scb_name,
u16 sample_buffer_addr, u32 dest,
int virtual_channel, u32 playback_hw_addr,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
struct dsp_scb_descriptor * scb;
struct dsp_generic_scb pcm_reader_scb = {
/*
Play DMA Task xfers data from host buffer to SP buffer
init/runtime variables:
PlayAC: Play Audio Data Conversion - SCB loc: 2nd dword, mask: 0x0000F000L
DATA_FMT_16BIT_ST_LTLEND(0x00000000L) from 16-bit stereo, little-endian
DATA_FMT_8_BIT_ST_SIGNED(0x00001000L) from 8-bit stereo, signed
DATA_FMT_16BIT_MN_LTLEND(0x00002000L) from 16-bit mono, little-endian
DATA_FMT_8_BIT_MN_SIGNED(0x00003000L) from 8-bit mono, signed
DATA_FMT_16BIT_ST_BIGEND(0x00004000L) from 16-bit stereo, big-endian
DATA_FMT_16BIT_MN_BIGEND(0x00006000L) from 16-bit mono, big-endian
DATA_FMT_8_BIT_ST_UNSIGNED(0x00009000L) from 8-bit stereo, unsigned
DATA_FMT_8_BIT_MN_UNSIGNED(0x0000b000L) from 8-bit mono, unsigned
? Other combinations possible from:
DMA_RQ_C2_AUDIO_CONVERT_MASK 0x0000F000L
DMA_RQ_C2_AC_NONE 0x00000000L
DMA_RQ_C2_AC_8_TO_16_BIT 0x00001000L
DMA_RQ_C2_AC_MONO_TO_STEREO 0x00002000L
DMA_RQ_C2_AC_ENDIAN_CONVERT 0x00004000L
DMA_RQ_C2_AC_SIGNED_CONVERT 0x00008000L
HostBuffAddr: Host Buffer Physical Byte Address - SCB loc:3rd dword, Mask: 0xFFFFFFFFL
aligned to dword boundary
*/
/* Basic (non scatter/gather) DMA requestor (4 ints) */
{ DMA_RQ_C1_SOURCE_ON_HOST + /* source buffer is on the host */
DMA_RQ_C1_SOURCE_MOD1024 + /* source buffer is 1024 dwords (4096 bytes) */
DMA_RQ_C1_DEST_MOD32 + /* dest buffer(PCMreaderBuf) is 32 dwords*/
DMA_RQ_C1_WRITEBACK_SRC_FLAG + /* ?? */
DMA_RQ_C1_WRITEBACK_DEST_FLAG + /* ?? */
15, /* DwordCount-1: picked 16 for DwordCount because Jim */
/* Barnette said that is what we should use since */
/* we are not running in optimized mode? */
DMA_RQ_C2_AC_NONE +
DMA_RQ_C2_SIGNAL_SOURCE_PINGPONG + /* set play interrupt (bit0) in HISR when source */
/* buffer (on host) crosses half-way point */
virtual_channel, /* Play DMA channel arbitrarily set to 0 */
playback_hw_addr, /* HostBuffAddr (source) */
DMA_RQ_SD_SP_SAMPLE_ADDR + /* destination buffer is in SP Sample Memory */
sample_buffer_addr /* SP Buffer Address (destination) */
},
/* Scatter/gather DMA requestor extension (5 ints) */
{
0,
0,
0,
0,
0
},
/* Sublist pointer & next stream control block (SCB) link. */
NULL_SCB_ADDR,NULL_SCB_ADDR,
/* Pointer to this tasks parameter block & stream function pointer */
0,NULL_SCB_ADDR,
/* rsConfig register for stream buffer (rsDMA reg. is loaded from basicReq.daw */
/* for incoming streams, or basicReq.saw, for outgoing streams) */
RSCONFIG_DMA_ENABLE + /* enable DMA */
(19 << RSCONFIG_MAX_DMA_SIZE_SHIFT) + /* MAX_DMA_SIZE picked to be 19 since SPUD */
/* uses it for some reason */
((dest >> 4) << RSCONFIG_STREAM_NUM_SHIFT) + /* stream number = SCBaddr/16 */
RSCONFIG_SAMPLE_16STEREO +
RSCONFIG_MODULO_32, /* dest buffer(PCMreaderBuf) is 32 dwords (256 bytes) */
/* Stream sample pointer & MAC-unit mode for this stream */
(sample_buffer_addr << 0x10),
/* Fractional increment per output sample in the input sample buffer */
0,
{
/* Standard stereo volume control
default muted */
0xffff,0xffff,
0xffff,0xffff
}
};
if (ins->null_algorithm == NULL) {
ins->null_algorithm = cs46xx_dsp_lookup_symbol (chip,"NULLALGORITHM",
SYMBOL_CODE);
if (ins->null_algorithm == NULL) {
dev_err(chip->card->dev,
"dsp_spos: symbol NULLALGORITHM not found\n");
return NULL;
}
}
scb = _dsp_create_generic_scb(chip,scb_name,(u32 *)&pcm_reader_scb,
dest,ins->null_algorithm,parent_scb,
scb_child_type);
return scb;
}
#define GOF_PER_SEC 200
struct dsp_scb_descriptor *
cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name,
int rate,
u16 src_buffer_addr,
u16 src_delay_buffer_addr, u32 dest,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type,
int pass_through)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
struct dsp_scb_descriptor * scb;
unsigned int tmp1, tmp2;
unsigned int phiIncr;
unsigned int correctionPerGOF, correctionPerSec;
dev_dbg(chip->card->dev, "dsp_spos: setting %s rate to %u\n",
scb_name, rate);
/*
* Compute the values used to drive the actual sample rate conversion.
* The following formulas are being computed, using inline assembly
* since we need to use 64 bit arithmetic to compute the values:
*
* phiIncr = floor((Fs,in * 2^26) / Fs,out)
* correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) /
* GOF_PER_SEC)
* ulCorrectionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -M
* GOF_PER_SEC * correctionPerGOF
*
* i.e.
*
* phiIncr:other = dividend:remainder((Fs,in * 2^26) / Fs,out)
* correctionPerGOF:correctionPerSec =
* dividend:remainder(ulOther / GOF_PER_SEC)
*/
tmp1 = rate << 16;
phiIncr = tmp1 / 48000;
tmp1 -= phiIncr * 48000;
tmp1 <<= 10;
phiIncr <<= 10;
tmp2 = tmp1 / 48000;
phiIncr += tmp2;
tmp1 -= tmp2 * 48000;
correctionPerGOF = tmp1 / GOF_PER_SEC;
tmp1 -= correctionPerGOF * GOF_PER_SEC;
correctionPerSec = tmp1;
{
struct dsp_src_task_scb src_task_scb = {
0x0028,0x00c8,
0x5555,0x0000,
0x0000,0x0000,
src_buffer_addr,1,
correctionPerGOF,correctionPerSec,
RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_32,
0x0000,src_delay_buffer_addr,
0x0,
0x080,(src_delay_buffer_addr + (24 * 4)),
0,0, /* next_scb, sub_list_ptr */
0,0, /* entry, this_spb */
RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_8,
src_buffer_addr << 0x10,
phiIncr,
{
0xffff - ins->dac_volume_right,0xffff - ins->dac_volume_left,
0xffff - ins->dac_volume_right,0xffff - ins->dac_volume_left
}
};
if (ins->s16_up == NULL) {
ins->s16_up = cs46xx_dsp_lookup_symbol (chip,"S16_UPSRC",
SYMBOL_CODE);
if (ins->s16_up == NULL) {
dev_err(chip->card->dev,
"dsp_spos: symbol S16_UPSRC not found\n");
return NULL;
}
}
/* clear buffers */
_dsp_clear_sample_buffer (chip,src_buffer_addr,8);
_dsp_clear_sample_buffer (chip,src_delay_buffer_addr,32);
if (pass_through) {
/* wont work with any other rate than
the native DSP rate */
snd_BUG_ON(rate != 48000);
scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&src_task_scb,
dest,"DMAREADER",parent_scb,
scb_child_type);
} else {
scb = _dsp_create_generic_scb(chip,scb_name,(u32 *)&src_task_scb,
dest,ins->s16_up,parent_scb,
scb_child_type);
}
}
return scb;
}
#if 0 /* not used */
struct dsp_scb_descriptor *
cs46xx_dsp_create_filter_scb(struct snd_cs46xx * chip, char * scb_name,
u16 buffer_addr, u32 dest,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type) {
struct dsp_scb_descriptor * scb;
struct dsp_filter_scb filter_scb = {
.a0_right = 0x41a9,
.a0_left = 0x41a9,
.a1_right = 0xb8e4,
.a1_left = 0xb8e4,
.a2_right = 0x3e55,
.a2_left = 0x3e55,
.filter_unused3 = 0x0000,
.filter_unused2 = 0x0000,
.output_buf_ptr = buffer_addr,
.init = 0x000,
.prev_sample_output1 = 0x00000000,
.prev_sample_output2 = 0x00000000,
.prev_sample_input1 = 0x00000000,
.prev_sample_input2 = 0x00000000,
.next_scb_ptr = 0x0000,
.sub_list_ptr = 0x0000,
.entry_point = 0x0000,
.spb_ptr = 0x0000,
.b0_right = 0x0e38,
.b0_left = 0x0e38,
.b1_right = 0x1c71,
.b1_left = 0x1c71,
.b2_right = 0x0e38,
.b2_left = 0x0e38,
};
scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&filter_scb,
dest,"FILTERTASK",parent_scb,
scb_child_type);
return scb;
}
#endif /* not used */
struct dsp_scb_descriptor *
cs46xx_dsp_create_mix_only_scb(struct snd_cs46xx * chip, char * scb_name,
u16 mix_buffer_addr, u32 dest,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_scb_descriptor * scb;
struct dsp_mix_only_scb master_mix_scb = {
/* 0 */ { 0,
/* 1 */ 0,
/* 2 */ mix_buffer_addr,
/* 3 */ 0
/* */ },
{
/* 4 */ 0,
/* 5 */ 0,
/* 6 */ 0,
/* 7 */ 0,
/* 8 */ 0x00000080
},
/* 9 */ 0,0,
/* A */ 0,0,
/* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_32,
/* C */ (mix_buffer_addr + (16 * 4)) << 0x10,
/* D */ 0,
{
/* E */ 0x8000,0x8000,
/* F */ 0x8000,0x8000
}
};
scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&master_mix_scb,
dest,"S16_MIX",parent_scb,
scb_child_type);
return scb;
}
struct dsp_scb_descriptor *
cs46xx_dsp_create_mix_to_ostream_scb(struct snd_cs46xx * chip, char * scb_name,
u16 mix_buffer_addr, u16 writeback_spb, u32 dest,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_scb_descriptor * scb;
struct dsp_mix2_ostream_scb mix2_ostream_scb = {
/* Basic (non scatter/gather) DMA requestor (4 ints) */
{
DMA_RQ_C1_SOURCE_MOD64 +
DMA_RQ_C1_DEST_ON_HOST +
DMA_RQ_C1_DEST_MOD1024 +
DMA_RQ_C1_WRITEBACK_SRC_FLAG +
DMA_RQ_C1_WRITEBACK_DEST_FLAG +
15,
DMA_RQ_C2_AC_NONE +
DMA_RQ_C2_SIGNAL_DEST_PINGPONG +
CS46XX_DSP_CAPTURE_CHANNEL,
DMA_RQ_SD_SP_SAMPLE_ADDR +
mix_buffer_addr,
0x0
},
{ 0, 0, 0, 0, 0, },
0,0,
0,writeback_spb,
RSCONFIG_DMA_ENABLE +
(19 << RSCONFIG_MAX_DMA_SIZE_SHIFT) +
((dest >> 4) << RSCONFIG_STREAM_NUM_SHIFT) +
RSCONFIG_DMA_TO_HOST +
RSCONFIG_SAMPLE_16STEREO +
RSCONFIG_MODULO_64,
(mix_buffer_addr + (32 * 4)) << 0x10,
1,0,
0x0001,0x0080,
0xFFFF,0
};
scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&mix2_ostream_scb,
dest,"S16_MIX_TO_OSTREAM",parent_scb,
scb_child_type);
return scb;
}
struct dsp_scb_descriptor *
cs46xx_dsp_create_vari_decimate_scb(struct snd_cs46xx * chip,char * scb_name,
u16 vari_buffer_addr0,
u16 vari_buffer_addr1,
u32 dest,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_scb_descriptor * scb;
struct dsp_vari_decimate_scb vari_decimate_scb = {
0x0028,0x00c8,
0x5555,0x0000,
0x0000,0x0000,
vari_buffer_addr0,vari_buffer_addr1,
0x0028,0x00c8,
RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_256,
0xFF800000,
0,
0x0080,vari_buffer_addr1 + (25 * 4),
0,0,
0,0,
RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_8,
vari_buffer_addr0 << 0x10,
0x04000000,
{
0x8000,0x8000,
0xFFFF,0xFFFF
}
};
scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&vari_decimate_scb,
dest,"VARIDECIMATE",parent_scb,
scb_child_type);
return scb;
}
static struct dsp_scb_descriptor *
cs46xx_dsp_create_pcm_serial_input_scb(struct snd_cs46xx * chip, char * scb_name, u32 dest,
struct dsp_scb_descriptor * input_scb,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_scb_descriptor * scb;
struct dsp_pcm_serial_input_scb pcm_serial_input_scb = {
{ 0,
0,
0,
0
},
{
0,
0,
0,
0,
0
},
0,0,
0,0,
RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_16,
0,
/* 0xD */ 0,input_scb->address,
{
/* 0xE */ 0x8000,0x8000,
/* 0xF */ 0x8000,0x8000
}
};
scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&pcm_serial_input_scb,
dest,"PCMSERIALINPUTTASK",parent_scb,
scb_child_type);
return scb;
}
static struct dsp_scb_descriptor *
cs46xx_dsp_create_asynch_fg_tx_scb(struct snd_cs46xx * chip, char * scb_name, u32 dest,
u16 hfg_scb_address,
u16 asynch_buffer_address,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{
struct dsp_scb_descriptor * scb;
struct dsp_asynch_fg_tx_scb asynch_fg_tx_scb = {
0xfc00,0x03ff, /* Prototype sample buffer size of 256 dwords */
0x0058,0x0028, /* Min Delta 7 dwords == 28 bytes */
/* : Max delta 25 dwords == 100 bytes */
0,hfg_scb_address, /* Point to HFG task SCB */
0,0, /* Initialize current Delta and Consumer ptr adjustment count */
0, /* Initialize accumulated Phi to 0 */
0,0x2aab, /* Const 1/3 */
{
0, /* Define the unused elements */
0,
0
},
0,0,
0,dest + AFGTxAccumPhi,
RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_256, /* Stereo, 256 dword */
(asynch_buffer_address) << 0x10, /* This should be automagically synchronized
to the producer pointer */
/* There is no correct initial value, it will depend upon the detected
rate etc */
0x18000000, /* Phi increment for approx 32k operation */
0x8000,0x8000, /* Volume controls are unused at this time */
0x8000,0x8000
};
scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&asynch_fg_tx_scb,
dest,"ASYNCHFGTXCODE",parent_scb,
scb_child_type);
return scb;
}
struct dsp_scb_descriptor *
cs46xx_dsp_create_asynch_fg_rx_scb(struct snd_cs46xx * chip, char * scb_name, u32 dest,
u16 hfg_scb_address,
u16 asynch_buffer_address,
struct dsp_scb_descriptor * parent_scb,
int scb_child_type)
{