forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 17
/
mixer_quirks.c
3596 lines (3110 loc) · 97.2 KB
/
mixer_quirks.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
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* USB Audio Driver for ALSA
*
* Quirks and vendor-specific extensions for mixer interfaces
*
* Copyright (c) 2002 by Takashi Iwai <[email protected]>
*
* Many codes borrowed from audio.c by
* Alan Cox ([email protected])
* Thomas Sailer ([email protected])
*
* Audio Advantage Micro II support added by:
* Przemek Rudy ([email protected])
*/
#include <linux/hid.h>
#include <linux/init.h>
#include <linux/math64.h>
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <sound/asoundef.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/hda_verbs.h>
#include <sound/hwdep.h>
#include <sound/info.h>
#include <sound/tlv.h>
#include "usbaudio.h"
#include "mixer.h"
#include "mixer_quirks.h"
#include "mixer_scarlett.h"
#include "mixer_scarlett2.h"
#include "mixer_us16x08.h"
#include "mixer_s1810c.h"
#include "helper.h"
struct std_mono_table {
unsigned int unitid, control, cmask;
int val_type;
const char *name;
snd_kcontrol_tlv_rw_t *tlv_callback;
};
/* This function allows for the creation of standard UAC controls.
* See the quirks for M-Audio FTUs or Ebox-44.
* If you don't want to set a TLV callback pass NULL.
*
* Since there doesn't seem to be a devices that needs a multichannel
* version, we keep it mono for simplicity.
*/
static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
unsigned int unitid,
unsigned int control,
unsigned int cmask,
int val_type,
unsigned int idx_off,
const char *name,
snd_kcontrol_tlv_rw_t *tlv_callback)
{
struct usb_mixer_elem_info *cval;
struct snd_kcontrol *kctl;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
if (!cval)
return -ENOMEM;
snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
cval->val_type = val_type;
cval->channels = 1;
cval->control = control;
cval->cmask = cmask;
cval->idx_off = idx_off;
/* get_min_max() is called only for integer volumes later,
* so provide a short-cut for booleans */
cval->min = 0;
cval->max = 1;
cval->res = 0;
cval->dBmin = 0;
cval->dBmax = 0;
/* Create control */
kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
if (!kctl) {
kfree(cval);
return -ENOMEM;
}
/* Set name */
snprintf(kctl->id.name, sizeof(kctl->id.name), name);
kctl->private_free = snd_usb_mixer_elem_free;
/* set TLV */
if (tlv_callback) {
kctl->tlv.c = tlv_callback;
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
}
/* Add control to mixer */
return snd_usb_mixer_add_control(&cval->head, kctl);
}
static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
unsigned int unitid,
unsigned int control,
unsigned int cmask,
int val_type,
const char *name,
snd_kcontrol_tlv_rw_t *tlv_callback)
{
return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
val_type, 0 /* Offset */, name, tlv_callback);
}
/*
* Create a set of standard UAC controls from a table
*/
static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
const struct std_mono_table *t)
{
int err;
while (t->name != NULL) {
err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
t->cmask, t->val_type, t->name, t->tlv_callback);
if (err < 0)
return err;
t++;
}
return 0;
}
static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
int id,
usb_mixer_elem_resume_func_t resume,
const struct snd_kcontrol_new *knew,
struct usb_mixer_elem_list **listp)
{
struct usb_mixer_elem_list *list;
struct snd_kcontrol *kctl;
list = kzalloc(sizeof(*list), GFP_KERNEL);
if (!list)
return -ENOMEM;
if (listp)
*listp = list;
list->mixer = mixer;
list->id = id;
list->resume = resume;
kctl = snd_ctl_new1(knew, list);
if (!kctl) {
kfree(list);
return -ENOMEM;
}
kctl->private_free = snd_usb_mixer_elem_free;
/* don't use snd_usb_mixer_add_control() here, this is a special list element */
return snd_usb_mixer_add_list(list, kctl, false);
}
/*
* Sound Blaster remote control configuration
*
* format of remote control data:
* Extigy: xx 00
* Audigy 2 NX: 06 80 xx 00 00 00
* Live! 24-bit: 06 80 xx yy 22 83
*/
static const struct rc_config {
u32 usb_id;
u8 offset;
u8 length;
u8 packet_length;
u8 min_packet_length; /* minimum accepted length of the URB result */
u8 mute_mixer_id;
u32 mute_code;
} rc_configs[] = {
{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 */
{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
};
static void snd_usb_soundblaster_remote_complete(struct urb *urb)
{
struct usb_mixer_interface *mixer = urb->context;
const struct rc_config *rc = mixer->rc_cfg;
u32 code;
if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
return;
code = mixer->rc_buffer[rc->offset];
if (rc->length == 2)
code |= mixer->rc_buffer[rc->offset + 1] << 8;
/* the Mute button actually changes the mixer control */
if (code == rc->mute_code)
snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
mixer->rc_code = code;
wmb();
wake_up(&mixer->rc_waitq);
}
static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
long count, loff_t *offset)
{
struct usb_mixer_interface *mixer = hw->private_data;
int err;
u32 rc_code;
if (count != 1 && count != 4)
return -EINVAL;
err = wait_event_interruptible(mixer->rc_waitq,
(rc_code = xchg(&mixer->rc_code, 0)) != 0);
if (err == 0) {
if (count == 1)
err = put_user(rc_code, buf);
else
err = put_user(rc_code, (u32 __user *)buf);
}
return err < 0 ? err : count;
}
static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
poll_table *wait)
{
struct usb_mixer_interface *mixer = hw->private_data;
poll_wait(file, &mixer->rc_waitq, wait);
return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
}
static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
{
struct snd_hwdep *hwdep;
int err, len, i;
for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
if (rc_configs[i].usb_id == mixer->chip->usb_id)
break;
if (i >= ARRAY_SIZE(rc_configs))
return 0;
mixer->rc_cfg = &rc_configs[i];
len = mixer->rc_cfg->packet_length;
init_waitqueue_head(&mixer->rc_waitq);
err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
if (err < 0)
return err;
snprintf(hwdep->name, sizeof(hwdep->name),
"%s remote control", mixer->chip->card->shortname);
hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
hwdep->private_data = mixer;
hwdep->ops.read = snd_usb_sbrc_hwdep_read;
hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
hwdep->exclusive = 1;
mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!mixer->rc_urb)
return -ENOMEM;
mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
if (!mixer->rc_setup_packet) {
usb_free_urb(mixer->rc_urb);
mixer->rc_urb = NULL;
return -ENOMEM;
}
mixer->rc_setup_packet->bRequestType =
USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
mixer->rc_setup_packet->wValue = cpu_to_le16(0);
mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
mixer->rc_setup_packet->wLength = cpu_to_le16(len);
usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
usb_rcvctrlpipe(mixer->chip->dev, 0),
(u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
snd_usb_soundblaster_remote_complete, mixer);
return 0;
}
#define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
return 0;
}
static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
int value, int index)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
if (chip->usb_id == USB_ID(0x041e, 0x3042))
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
!value, 0, NULL, 0);
/* USB X-Fi S51 Pro */
if (chip->usb_id == USB_ID(0x041e, 0x30df))
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
!value, 0, NULL, 0);
else
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x24,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
value, index + 2, NULL, 0);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
struct usb_mixer_interface *mixer = list->mixer;
int index = kcontrol->private_value & 0xff;
unsigned int value = ucontrol->value.integer.value[0];
int old_value = kcontrol->private_value >> 8;
int err;
if (value > 1)
return -EINVAL;
if (value == old_value)
return 0;
kcontrol->private_value = (value << 8) | index;
err = snd_audigy2nx_led_update(mixer, value, index);
return err < 0 ? err : 1;
}
static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
{
int priv_value = list->kctl->private_value;
return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
priv_value & 0xff);
}
/* name and private_value are set dynamically */
static const struct snd_kcontrol_new snd_audigy2nx_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = snd_audigy2nx_led_info,
.get = snd_audigy2nx_led_get,
.put = snd_audigy2nx_led_put,
};
static const char * const snd_audigy2nx_led_names[] = {
"CMSS LED Switch",
"Power LED Switch",
"Dolby Digital LED Switch",
};
static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
{
int i, err;
for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
struct snd_kcontrol_new knew;
/* USB X-Fi S51 doesn't have a CMSS LED */
if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
continue;
/* USB X-Fi S51 Pro doesn't have one either */
if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
continue;
if (i > 1 && /* Live24ext has 2 LEDs only */
(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
break;
knew = snd_audigy2nx_control;
knew.name = snd_audigy2nx_led_names[i];
knew.private_value = (1 << 8) | i; /* LED on as default */
err = add_single_ctl_with_resume(mixer, 0,
snd_audigy2nx_led_resume,
&knew, NULL);
if (err < 0)
return err;
}
return 0;
}
static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
static const struct sb_jack {
int unitid;
const char *name;
} jacks_audigy2nx[] = {
{4, "dig in "},
{7, "line in"},
{19, "spk out"},
{20, "hph out"},
{-1, NULL}
}, jacks_live24ext[] = {
{4, "line in"}, /* &1=Line, &2=Mic*/
{3, "hph out"}, /* headphones */
{0, "RC "}, /* last command, 6 bytes see rc_config above */
{-1, NULL}
};
const struct sb_jack *jacks;
struct usb_mixer_interface *mixer = entry->private_data;
int i, err;
u8 buf[3];
snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
jacks = jacks_audigy2nx;
else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
jacks = jacks_live24ext;
else
return;
for (i = 0; jacks[i].name; ++i) {
snd_iprintf(buffer, "%s: ", jacks[i].name);
err = snd_usb_lock_shutdown(mixer->chip);
if (err < 0)
return;
err = snd_usb_ctl_msg(mixer->chip->dev,
usb_rcvctrlpipe(mixer->chip->dev, 0),
UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
USB_RECIP_INTERFACE, 0,
jacks[i].unitid << 8, buf, 3);
snd_usb_unlock_shutdown(mixer->chip);
if (err == 3 && (buf[0] == 3 || buf[0] == 6))
snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
else
snd_iprintf(buffer, "?\n");
}
}
/* EMU0204 */
static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[2] = {"1/2", "3/4"};
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
}
static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.enumerated.item[0] = kcontrol->private_value;
return 0;
}
static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
int value)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
unsigned char buf[2];
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
buf[0] = 0x01;
buf[1] = value ? 0x02 : 0x01;
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
0x0400, 0x0e00, buf, 2);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
struct usb_mixer_interface *mixer = list->mixer;
unsigned int value = ucontrol->value.enumerated.item[0];
int err;
if (value > 1)
return -EINVAL;
if (value == kcontrol->private_value)
return 0;
kcontrol->private_value = value;
err = snd_emu0204_ch_switch_update(mixer, value);
return err < 0 ? err : 1;
}
static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_emu0204_ch_switch_update(list->mixer,
list->kctl->private_value);
}
static const struct snd_kcontrol_new snd_emu0204_control = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Front Jack Channels",
.info = snd_emu0204_ch_switch_info,
.get = snd_emu0204_ch_switch_get,
.put = snd_emu0204_ch_switch_put,
.private_value = 0,
};
static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
{
return add_single_ctl_with_resume(mixer, 0,
snd_emu0204_ch_switch_resume,
&snd_emu0204_control, NULL);
}
/* ASUS Xonar U1 / U3 controls */
static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
return 0;
}
static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
unsigned char status)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x08,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
50, 0, &status, 1);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
u8 old_status, new_status;
int err;
old_status = kcontrol->private_value;
if (ucontrol->value.integer.value[0])
new_status = old_status | 0x02;
else
new_status = old_status & ~0x02;
if (new_status == old_status)
return 0;
kcontrol->private_value = new_status;
err = snd_xonar_u1_switch_update(list->mixer, new_status);
return err < 0 ? err : 1;
}
static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_xonar_u1_switch_update(list->mixer,
list->kctl->private_value);
}
static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Digital Playback Switch",
.info = snd_ctl_boolean_mono_info,
.get = snd_xonar_u1_switch_get,
.put = snd_xonar_u1_switch_put,
.private_value = 0x05,
};
static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
{
return add_single_ctl_with_resume(mixer, 0,
snd_xonar_u1_switch_resume,
&snd_xonar_u1_output_switch, NULL);
}
/* Digidesign Mbox 1 helper functions */
static int snd_mbox1_is_spdif_synced(struct snd_usb_audio *chip)
{
unsigned char buff[3];
int err;
int is_spdif_synced;
/* Read clock source */
err = snd_usb_ctl_msg(chip->dev,
usb_rcvctrlpipe(chip->dev, 0), 0x81,
USB_DIR_IN |
USB_TYPE_CLASS |
USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
if (err < 0)
return err;
/* spdif sync: buff is all zeroes */
is_spdif_synced = !(buff[0] | buff[1] | buff[2]);
return is_spdif_synced;
}
static int snd_mbox1_set_clk_source(struct snd_usb_audio *chip, int rate_or_zero)
{
/* 2 possibilities: Internal -> expects sample rate
* S/PDIF sync -> expects rate = 0
*/
unsigned char buff[3];
buff[0] = (rate_or_zero >> 0) & 0xff;
buff[1] = (rate_or_zero >> 8) & 0xff;
buff[2] = (rate_or_zero >> 16) & 0xff;
/* Set clock source */
return snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x1,
USB_TYPE_CLASS |
USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
}
static int snd_mbox1_is_spdif_input(struct snd_usb_audio *chip)
{
/* Hardware gives 2 possibilities: ANALOG Source -> 0x01
* S/PDIF Source -> 0x02
*/
int err;
unsigned char source[1];
/* Read input source */
err = snd_usb_ctl_msg(chip->dev,
usb_rcvctrlpipe(chip->dev, 0), 0x81,
USB_DIR_IN |
USB_TYPE_CLASS |
USB_RECIP_INTERFACE, 0x00, 0x500, source, 1);
if (err < 0)
return err;
return (source[0] == 2);
}
static int snd_mbox1_set_input_source(struct snd_usb_audio *chip, int is_spdif)
{
/* NB: Setting the input source to S/PDIF resets the clock source to S/PDIF
* Hardware expects 2 possibilities: ANALOG Source -> 0x01
* S/PDIF Source -> 0x02
*/
unsigned char buff[1];
buff[0] = (is_spdif & 1) + 1;
/* Set input source */
return snd_usb_ctl_msg(chip->dev,
usb_sndctrlpipe(chip->dev, 0), 0x1,
USB_TYPE_CLASS |
USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
}
/* Digidesign Mbox 1 clock source switch (internal/spdif) */
static int snd_mbox1_clk_switch_get(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
struct snd_usb_audio *chip = list->mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
if (err < 0)
goto err;
kctl->private_value = err;
err = 0;
ucontrol->value.enumerated.item[0] = kctl->private_value;
err:
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_mbox1_clk_switch_update(struct usb_mixer_interface *mixer, int is_spdif_sync)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = snd_mbox1_is_spdif_input(chip);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
if (err < 0)
goto err;
/* FIXME: hardcoded sample rate */
err = snd_mbox1_set_clk_source(chip, is_spdif_sync ? 0 : 48000);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
err:
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_mbox1_clk_switch_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
struct usb_mixer_interface *mixer = list->mixer;
int err;
bool cur_val, new_val;
cur_val = kctl->private_value;
new_val = ucontrol->value.enumerated.item[0];
if (cur_val == new_val)
return 0;
kctl->private_value = new_val;
err = snd_mbox1_clk_switch_update(mixer, new_val);
return err < 0 ? err : 1;
}
static int snd_mbox1_clk_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char *const texts[2] = {
"Internal",
"S/PDIF"
};
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
}
static int snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_mbox1_clk_switch_update(list->mixer, list->kctl->private_value);
}
/* Digidesign Mbox 1 input source switch (analog/spdif) */
static int snd_mbox1_src_switch_get(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.enumerated.item[0] = kctl->private_value;
return 0;
}
static int snd_mbox1_src_switch_update(struct usb_mixer_interface *mixer, int is_spdif_input)
{
struct snd_usb_audio *chip = mixer->chip;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = snd_mbox1_is_spdif_input(chip);
if (err < 0)
goto err;
err = snd_mbox1_set_input_source(chip, is_spdif_input);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_input(chip);
if (err < 0)
goto err;
err = snd_mbox1_is_spdif_synced(chip);
err:
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_mbox1_src_switch_put(struct snd_kcontrol *kctl,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
struct usb_mixer_interface *mixer = list->mixer;
int err;
bool cur_val, new_val;
cur_val = kctl->private_value;
new_val = ucontrol->value.enumerated.item[0];
if (cur_val == new_val)
return 0;
kctl->private_value = new_val;
err = snd_mbox1_src_switch_update(mixer, new_val);
return err < 0 ? err : 1;
}
static int snd_mbox1_src_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static const char *const texts[2] = {
"Analog",
"S/PDIF"
};
return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
}
static int snd_mbox1_src_switch_resume(struct usb_mixer_elem_list *list)
{
return snd_mbox1_src_switch_update(list->mixer, list->kctl->private_value);
}
static const struct snd_kcontrol_new snd_mbox1_clk_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Clock Source",
.index = 0,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_mbox1_clk_switch_info,
.get = snd_mbox1_clk_switch_get,
.put = snd_mbox1_clk_switch_put,
.private_value = 0
};
static const struct snd_kcontrol_new snd_mbox1_src_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Input Source",
.index = 1,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.info = snd_mbox1_src_switch_info,
.get = snd_mbox1_src_switch_get,
.put = snd_mbox1_src_switch_put,
.private_value = 0
};
static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer)
{
int err;
err = add_single_ctl_with_resume(mixer, 0,
snd_mbox1_clk_switch_resume,
&snd_mbox1_clk_switch, NULL);
if (err < 0)
return err;
return add_single_ctl_with_resume(mixer, 1,
snd_mbox1_src_switch_resume,
&snd_mbox1_src_switch, NULL);
}
/* Native Instruments device quirks */
#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
struct snd_kcontrol *kctl)
{
struct usb_device *dev = mixer->chip->dev;
unsigned int pval = kctl->private_value;
u8 value;
int err;
err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
(pval >> 16) & 0xff,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
0, pval & 0xffff, &value, 1);
if (err < 0) {
dev_err(&dev->dev,
"unable to issue vendor read request (ret = %d)", err);
return err;
}
kctl->private_value |= ((unsigned int)value << 24);
return 0;
}
static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
return 0;
}
static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
{
struct snd_usb_audio *chip = list->mixer->chip;
unsigned int pval = list->kctl->private_value;
int err;
err = snd_usb_lock_shutdown(chip);
if (err < 0)
return err;
err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
(pval >> 16) & 0xff,
USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
pval >> 24, pval & 0xffff, NULL, 0, 1000);
snd_usb_unlock_shutdown(chip);
return err;
}
static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
u8 oldval = (kcontrol->private_value >> 24) & 0xff;
u8 newval = ucontrol->value.integer.value[0];
int err;
if (oldval == newval)
return 0;
kcontrol->private_value &= ~(0xff << 24);
kcontrol->private_value |= (unsigned int)newval << 24;
err = snd_ni_update_cur_val(list);
return err < 0 ? err : 1;
}
static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
{
.name = "Direct Thru Channel A",
.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
},
{
.name = "Direct Thru Channel B",
.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
},
{
.name = "Phono Input Channel A",
.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
},
{
.name = "Phono Input Channel B",
.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
},
};
static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
{
.name = "Direct Thru Channel A",
.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
},
{
.name = "Direct Thru Channel B",
.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
},
{
.name = "Direct Thru Channel C",
.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
},
{
.name = "Direct Thru Channel D",
.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
},
{
.name = "Phono Input Channel A",
.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
},
{
.name = "Phono Input Channel B",
.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
},
{
.name = "Phono Input Channel C",
.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
},
{
.name = "Phono Input Channel D",
.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
},
};
static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
const struct snd_kcontrol_new *kc,
unsigned int count)
{
int i, err = 0;
struct snd_kcontrol_new template = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.get = snd_nativeinstruments_control_get,
.put = snd_nativeinstruments_control_put,
.info = snd_ctl_boolean_mono_info,
};