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staging: rtl8188eu: Replace function name in string with __func__
[linux/fpc-iii.git] / sound / usb / mixer_quirks.c
blob56537a1565800a0ff3cb58f1c0b159b15b5987c8
1 /*
2 * USB Audio Driver for ALSA
3 *
4 * Quirks and vendor-specific extensions for mixer interfaces
5 *
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7 *
8 * Many codes borrowed from audio.c by
9 * Alan Cox (alan@lxorguk.ukuu.org.uk)
10 * Thomas Sailer (sailer@ife.ee.ethz.ch)
11 *
12 * Audio Advantage Micro II support added by:
13 * Przemek Rudy (prudy1@o2.pl)
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 */
29
30 #include <linux/hid.h>
31 #include <linux/init.h>
32 #include <linux/slab.h>
33 #include <linux/usb.h>
34 #include <linux/usb/audio.h>
35
36 #include <sound/asoundef.h>
37 #include <sound/core.h>
38 #include <sound/control.h>
39 #include <sound/hwdep.h>
40 #include <sound/info.h>
41 #include <sound/tlv.h>
42
43 #include "usbaudio.h"
44 #include "mixer.h"
45 #include "mixer_quirks.h"
46 #include "mixer_scarlett.h"
47 #include "mixer_us16x08.h"
48 #include "helper.h"
49
50 extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
51
52 struct std_mono_table {
53 unsigned int unitid, control, cmask;
54 int val_type;
55 const char *name;
56 snd_kcontrol_tlv_rw_t *tlv_callback;
57 };
58
59 /* This function allows for the creation of standard UAC controls.
60 * See the quirks for M-Audio FTUs or Ebox-44.
61 * If you don't want to set a TLV callback pass NULL.
62 *
63 * Since there doesn't seem to be a devices that needs a multichannel
64 * version, we keep it mono for simplicity.
65 */
66 static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
67 unsigned int unitid,
68 unsigned int control,
69 unsigned int cmask,
70 int val_type,
71 unsigned int idx_off,
72 const char *name,
73 snd_kcontrol_tlv_rw_t *tlv_callback)
74 {
75 struct usb_mixer_elem_info *cval;
76 struct snd_kcontrol *kctl;
77
78 cval = kzalloc(sizeof(*cval), GFP_KERNEL);
79 if (!cval)
80 return -ENOMEM;
81
82 snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
83 cval->val_type = val_type;
84 cval->channels = 1;
85 cval->control = control;
86 cval->cmask = cmask;
87 cval->idx_off = idx_off;
88
89 /* get_min_max() is called only for integer volumes later,
90 * so provide a short-cut for booleans */
91 cval->min = 0;
92 cval->max = 1;
93 cval->res = 0;
94 cval->dBmin = 0;
95 cval->dBmax = 0;
96
97 /* Create control */
98 kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
99 if (!kctl) {
100 kfree(cval);
101 return -ENOMEM;
102 }
103
104 /* Set name */
105 snprintf(kctl->id.name, sizeof(kctl->id.name), name);
106 kctl->private_free = snd_usb_mixer_elem_free;
107
108 /* set TLV */
109 if (tlv_callback) {
110 kctl->tlv.c = tlv_callback;
111 kctl->vd[0].access |=
112 SNDRV_CTL_ELEM_ACCESS_TLV_READ |
113 SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
114 }
115 /* Add control to mixer */
116 return snd_usb_mixer_add_control(&cval->head, kctl);
117 }
118
119 static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
120 unsigned int unitid,
121 unsigned int control,
122 unsigned int cmask,
123 int val_type,
124 const char *name,
125 snd_kcontrol_tlv_rw_t *tlv_callback)
126 {
127 return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
128 val_type, 0 /* Offset */, name, tlv_callback);
129 }
130
131 /*
132 * Create a set of standard UAC controls from a table
133 */
134 static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
135 struct std_mono_table *t)
136 {
137 int err;
138
139 while (t->name != NULL) {
140 err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
141 t->cmask, t->val_type, t->name, t->tlv_callback);
142 if (err < 0)
143 return err;
144 t++;
145 }
146
147 return 0;
148 }
149
150 static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
151 int id,
152 usb_mixer_elem_resume_func_t resume,
153 const struct snd_kcontrol_new *knew,
154 struct usb_mixer_elem_list **listp)
155 {
156 struct usb_mixer_elem_list *list;
157 struct snd_kcontrol *kctl;
158
159 list = kzalloc(sizeof(*list), GFP_KERNEL);
160 if (!list)
161 return -ENOMEM;
162 if (listp)
163 *listp = list;
164 list->mixer = mixer;
165 list->id = id;
166 list->resume = resume;
167 kctl = snd_ctl_new1(knew, list);
168 if (!kctl) {
169 kfree(list);
170 return -ENOMEM;
171 }
172 kctl->private_free = snd_usb_mixer_elem_free;
173 return snd_usb_mixer_add_control(list, kctl);
174 }
175
176 /*
177 * Sound Blaster remote control configuration
178 *
179 * format of remote control data:
180 * Extigy: xx 00
181 * Audigy 2 NX: 06 80 xx 00 00 00
182 * Live! 24-bit: 06 80 xx yy 22 83
183 */
184 static const struct rc_config {
185 u32 usb_id;
186 u8 offset;
187 u8 length;
188 u8 packet_length;
189 u8 min_packet_length; /* minimum accepted length of the URB result */
190 u8 mute_mixer_id;
191 u32 mute_code;
192 } rc_configs[] = {
193 { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */
194 { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */
195 { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */
196 { USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 */
197 { USB_ID(0x041e, 0x30df), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
198 { USB_ID(0x041e, 0x3237), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
199 { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
200 };
201
202 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
203 {
204 struct usb_mixer_interface *mixer = urb->context;
205 const struct rc_config *rc = mixer->rc_cfg;
206 u32 code;
207
208 if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
209 return;
210
211 code = mixer->rc_buffer[rc->offset];
212 if (rc->length == 2)
213 code |= mixer->rc_buffer[rc->offset + 1] << 8;
214
215 /* the Mute button actually changes the mixer control */
216 if (code == rc->mute_code)
217 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
218 mixer->rc_code = code;
219 wmb();
220 wake_up(&mixer->rc_waitq);
221 }
222
223 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
224 long count, loff_t *offset)
225 {
226 struct usb_mixer_interface *mixer = hw->private_data;
227 int err;
228 u32 rc_code;
229
230 if (count != 1 && count != 4)
231 return -EINVAL;
232 err = wait_event_interruptible(mixer->rc_waitq,
233 (rc_code = xchg(&mixer->rc_code, 0)) != 0);
234 if (err == 0) {
235 if (count == 1)
236 err = put_user(rc_code, buf);
237 else
238 err = put_user(rc_code, (u32 __user *)buf);
239 }
240 return err < 0 ? err : count;
241 }
242
243 static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
244 poll_table *wait)
245 {
246 struct usb_mixer_interface *mixer = hw->private_data;
247
248 poll_wait(file, &mixer->rc_waitq, wait);
249 return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
250 }
251
252 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
253 {
254 struct snd_hwdep *hwdep;
255 int err, len, i;
256
257 for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
258 if (rc_configs[i].usb_id == mixer->chip->usb_id)
259 break;
260 if (i >= ARRAY_SIZE(rc_configs))
261 return 0;
262 mixer->rc_cfg = &rc_configs[i];
263
264 len = mixer->rc_cfg->packet_length;
265
266 init_waitqueue_head(&mixer->rc_waitq);
267 err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
268 if (err < 0)
269 return err;
270 snprintf(hwdep->name, sizeof(hwdep->name),
271 "%s remote control", mixer->chip->card->shortname);
272 hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
273 hwdep->private_data = mixer;
274 hwdep->ops.read = snd_usb_sbrc_hwdep_read;
275 hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
276 hwdep->exclusive = 1;
277
278 mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
279 if (!mixer->rc_urb)
280 return -ENOMEM;
281 mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
282 if (!mixer->rc_setup_packet) {
283 usb_free_urb(mixer->rc_urb);
284 mixer->rc_urb = NULL;
285 return -ENOMEM;
286 }
287 mixer->rc_setup_packet->bRequestType =
288 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
289 mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
290 mixer->rc_setup_packet->wValue = cpu_to_le16(0);
291 mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
292 mixer->rc_setup_packet->wLength = cpu_to_le16(len);
293 usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
294 usb_rcvctrlpipe(mixer->chip->dev, 0),
295 (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
296 snd_usb_soundblaster_remote_complete, mixer);
297 return 0;
298 }
299
300 #define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
301
302 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
303 {
304 ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
305 return 0;
306 }
307
308 static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
309 int value, int index)
310 {
311 struct snd_usb_audio *chip = mixer->chip;
312 int err;
313
314 err = snd_usb_lock_shutdown(chip);
315 if (err < 0)
316 return err;
317
318 if (chip->usb_id == USB_ID(0x041e, 0x3042))
319 err = snd_usb_ctl_msg(chip->dev,
320 usb_sndctrlpipe(chip->dev, 0), 0x24,
321 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
322 !value, 0, NULL, 0);
323 /* USB X-Fi S51 Pro */
324 if (chip->usb_id == USB_ID(0x041e, 0x30df))
325 err = snd_usb_ctl_msg(chip->dev,
326 usb_sndctrlpipe(chip->dev, 0), 0x24,
327 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
328 !value, 0, NULL, 0);
329 else
330 err = snd_usb_ctl_msg(chip->dev,
331 usb_sndctrlpipe(chip->dev, 0), 0x24,
332 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
333 value, index + 2, NULL, 0);
334 snd_usb_unlock_shutdown(chip);
335 return err;
336 }
337
338 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
339 struct snd_ctl_elem_value *ucontrol)
340 {
341 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
342 struct usb_mixer_interface *mixer = list->mixer;
343 int index = kcontrol->private_value & 0xff;
344 unsigned int value = ucontrol->value.integer.value[0];
345 int old_value = kcontrol->private_value >> 8;
346 int err;
347
348 if (value > 1)
349 return -EINVAL;
350 if (value == old_value)
351 return 0;
352 kcontrol->private_value = (value << 8) | index;
353 err = snd_audigy2nx_led_update(mixer, value, index);
354 return err < 0 ? err : 1;
355 }
356
357 static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
358 {
359 int priv_value = list->kctl->private_value;
360
361 return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
362 priv_value & 0xff);
363 }
364
365 /* name and private_value are set dynamically */
366 static const struct snd_kcontrol_new snd_audigy2nx_control = {
367 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
368 .info = snd_audigy2nx_led_info,
369 .get = snd_audigy2nx_led_get,
370 .put = snd_audigy2nx_led_put,
371 };
372
373 static const char * const snd_audigy2nx_led_names[] = {
374 "CMSS LED Switch",
375 "Power LED Switch",
376 "Dolby Digital LED Switch",
377 };
378
379 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
380 {
381 int i, err;
382
383 for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
384 struct snd_kcontrol_new knew;
385
386 /* USB X-Fi S51 doesn't have a CMSS LED */
387 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
388 continue;
389 /* USB X-Fi S51 Pro doesn't have one either */
390 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
391 continue;
392 if (i > 1 && /* Live24ext has 2 LEDs only */
393 (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
394 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
395 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
396 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
397 break;
398
399 knew = snd_audigy2nx_control;
400 knew.name = snd_audigy2nx_led_names[i];
401 knew.private_value = (1 << 8) | i; /* LED on as default */
402 err = add_single_ctl_with_resume(mixer, 0,
403 snd_audigy2nx_led_resume,
404 &knew, NULL);
405 if (err < 0)
406 return err;
407 }
408 return 0;
409 }
410
411 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
412 struct snd_info_buffer *buffer)
413 {
414 static const struct sb_jack {
415 int unitid;
416 const char *name;
417 } jacks_audigy2nx[] = {
418 {4, "dig in "},
419 {7, "line in"},
420 {19, "spk out"},
421 {20, "hph out"},
422 {-1, NULL}
423 }, jacks_live24ext[] = {
424 {4, "line in"}, /* &1=Line, &2=Mic*/
425 {3, "hph out"}, /* headphones */
426 {0, "RC "}, /* last command, 6 bytes see rc_config above */
427 {-1, NULL}
428 };
429 const struct sb_jack *jacks;
430 struct usb_mixer_interface *mixer = entry->private_data;
431 int i, err;
432 u8 buf[3];
433
434 snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
435 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
436 jacks = jacks_audigy2nx;
437 else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
438 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
439 jacks = jacks_live24ext;
440 else
441 return;
442
443 for (i = 0; jacks[i].name; ++i) {
444 snd_iprintf(buffer, "%s: ", jacks[i].name);
445 err = snd_usb_lock_shutdown(mixer->chip);
446 if (err < 0)
447 return;
448 err = snd_usb_ctl_msg(mixer->chip->dev,
449 usb_rcvctrlpipe(mixer->chip->dev, 0),
450 UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
451 USB_RECIP_INTERFACE, 0,
452 jacks[i].unitid << 8, buf, 3);
453 snd_usb_unlock_shutdown(mixer->chip);
454 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
455 snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
456 else
457 snd_iprintf(buffer, "?\n");
458 }
459 }
460
461 /* EMU0204 */
462 static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
463 struct snd_ctl_elem_info *uinfo)
464 {
465 static const char * const texts[2] = {"1/2", "3/4"};
466
467 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
468 }
469
470 static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
471 struct snd_ctl_elem_value *ucontrol)
472 {
473 ucontrol->value.enumerated.item[0] = kcontrol->private_value;
474 return 0;
475 }
476
477 static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
478 int value)
479 {
480 struct snd_usb_audio *chip = mixer->chip;
481 int err;
482 unsigned char buf[2];
483
484 err = snd_usb_lock_shutdown(chip);
485 if (err < 0)
486 return err;
487
488 buf[0] = 0x01;
489 buf[1] = value ? 0x02 : 0x01;
490 err = snd_usb_ctl_msg(chip->dev,
491 usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
492 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
493 0x0400, 0x0e00, buf, 2);
494 snd_usb_unlock_shutdown(chip);
495 return err;
496 }
497
498 static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
499 struct snd_ctl_elem_value *ucontrol)
500 {
501 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
502 struct usb_mixer_interface *mixer = list->mixer;
503 unsigned int value = ucontrol->value.enumerated.item[0];
504 int err;
505
506 if (value > 1)
507 return -EINVAL;
508
509 if (value == kcontrol->private_value)
510 return 0;
511
512 kcontrol->private_value = value;
513 err = snd_emu0204_ch_switch_update(mixer, value);
514 return err < 0 ? err : 1;
515 }
516
517 static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
518 {
519 return snd_emu0204_ch_switch_update(list->mixer,
520 list->kctl->private_value);
521 }
522
523 static struct snd_kcontrol_new snd_emu0204_control = {
524 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
525 .name = "Front Jack Channels",
526 .info = snd_emu0204_ch_switch_info,
527 .get = snd_emu0204_ch_switch_get,
528 .put = snd_emu0204_ch_switch_put,
529 .private_value = 0,
530 };
531
532 static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
533 {
534 return add_single_ctl_with_resume(mixer, 0,
535 snd_emu0204_ch_switch_resume,
536 &snd_emu0204_control, NULL);
537 }
538
539 /* ASUS Xonar U1 / U3 controls */
540
541 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
542 struct snd_ctl_elem_value *ucontrol)
543 {
544 ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
545 return 0;
546 }
547
548 static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
549 unsigned char status)
550 {
551 struct snd_usb_audio *chip = mixer->chip;
552 int err;
553
554 err = snd_usb_lock_shutdown(chip);
555 if (err < 0)
556 return err;
557 err = snd_usb_ctl_msg(chip->dev,
558 usb_sndctrlpipe(chip->dev, 0), 0x08,
559 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
560 50, 0, &status, 1);
561 snd_usb_unlock_shutdown(chip);
562 return err;
563 }
564
565 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
566 struct snd_ctl_elem_value *ucontrol)
567 {
568 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
569 u8 old_status, new_status;
570 int err;
571
572 old_status = kcontrol->private_value;
573 if (ucontrol->value.integer.value[0])
574 new_status = old_status | 0x02;
575 else
576 new_status = old_status & ~0x02;
577 if (new_status == old_status)
578 return 0;
579
580 kcontrol->private_value = new_status;
581 err = snd_xonar_u1_switch_update(list->mixer, new_status);
582 return err < 0 ? err : 1;
583 }
584
585 static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
586 {
587 return snd_xonar_u1_switch_update(list->mixer,
588 list->kctl->private_value);
589 }
590
591 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
592 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
593 .name = "Digital Playback Switch",
594 .info = snd_ctl_boolean_mono_info,
595 .get = snd_xonar_u1_switch_get,
596 .put = snd_xonar_u1_switch_put,
597 .private_value = 0x05,
598 };
599
600 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
601 {
602 return add_single_ctl_with_resume(mixer, 0,
603 snd_xonar_u1_switch_resume,
604 &snd_xonar_u1_output_switch, NULL);
605 }
606
607 /* Digidesign Mbox 1 clock source switch (internal/spdif) */
608
609 static int snd_mbox1_switch_get(struct snd_kcontrol *kctl,
610 struct snd_ctl_elem_value *ucontrol)
611 {
612 ucontrol->value.enumerated.item[0] = kctl->private_value;
613 return 0;
614 }
615
616 static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val)
617 {
618 struct snd_usb_audio *chip = mixer->chip;
619 int err;
620 unsigned char buff[3];
621
622 err = snd_usb_lock_shutdown(chip);
623 if (err < 0)
624 return err;
625
626 /* Prepare for magic command to toggle clock source */
627 err = snd_usb_ctl_msg(chip->dev,
628 usb_rcvctrlpipe(chip->dev, 0), 0x81,
629 USB_DIR_IN |
630 USB_TYPE_CLASS |
631 USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
632 if (err < 0)
633 goto err;
634 err = snd_usb_ctl_msg(chip->dev,
635 usb_rcvctrlpipe(chip->dev, 0), 0x81,
636 USB_DIR_IN |
637 USB_TYPE_CLASS |
638 USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
639 if (err < 0)
640 goto err;
641
642 /* 2 possibilities: Internal -> send sample rate
643 * S/PDIF sync -> send zeroes
644 * NB: Sample rate locked to 48kHz on purpose to
645 * prevent user from resetting the sample rate
646 * while S/PDIF sync is enabled and confusing
647 * this configuration.
648 */
649 if (val == 0) {
650 buff[0] = 0x80;
651 buff[1] = 0xbb;
652 buff[2] = 0x00;
653 } else {
654 buff[0] = buff[1] = buff[2] = 0x00;
655 }
656
657 /* Send the magic command to toggle the clock source */
658 err = snd_usb_ctl_msg(chip->dev,
659 usb_sndctrlpipe(chip->dev, 0), 0x1,
660 USB_TYPE_CLASS |
661 USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
662 if (err < 0)
663 goto err;
664 err = snd_usb_ctl_msg(chip->dev,
665 usb_rcvctrlpipe(chip->dev, 0), 0x81,
666 USB_DIR_IN |
667 USB_TYPE_CLASS |
668 USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
669 if (err < 0)
670 goto err;
671 err = snd_usb_ctl_msg(chip->dev,
672 usb_rcvctrlpipe(chip->dev, 0), 0x81,
673 USB_DIR_IN |
674 USB_TYPE_CLASS |
675 USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3);
676 if (err < 0)
677 goto err;
678
679 err:
680 snd_usb_unlock_shutdown(chip);
681 return err;
682 }
683
684 static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
685 struct snd_ctl_elem_value *ucontrol)
686 {
687 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
688 struct usb_mixer_interface *mixer = list->mixer;
689 int err;
690 bool cur_val, new_val;
691
692 cur_val = kctl->private_value;
693 new_val = ucontrol->value.enumerated.item[0];
694 if (cur_val == new_val)
695 return 0;
696
697 kctl->private_value = new_val;
698 err = snd_mbox1_switch_update(mixer, new_val);
699 return err < 0 ? err : 1;
700 }
701
702 static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol,
703 struct snd_ctl_elem_info *uinfo)
704 {
705 static const char *const texts[2] = {
706 "Internal",
707 "S/PDIF"
708 };
709
710 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
711 }
712
713 static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list)
714 {
715 return snd_mbox1_switch_update(list->mixer, list->kctl->private_value);
716 }
717
718 static struct snd_kcontrol_new snd_mbox1_switch = {
719 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
720 .name = "Clock Source",
721 .index = 0,
722 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
723 .info = snd_mbox1_switch_info,
724 .get = snd_mbox1_switch_get,
725 .put = snd_mbox1_switch_put,
726 .private_value = 0
727 };
728
729 static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer)
730 {
731 return add_single_ctl_with_resume(mixer, 0,
732 snd_mbox1_switch_resume,
733 &snd_mbox1_switch, NULL);
734 }
735
736 /* Native Instruments device quirks */
737
738 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
739
740 static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
741 struct snd_kcontrol *kctl)
742 {
743 struct usb_device *dev = mixer->chip->dev;
744 unsigned int pval = kctl->private_value;
745 u8 value;
746 int err;
747
748 err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
749 (pval >> 16) & 0xff,
750 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
751 0, pval & 0xffff, &value, 1);
752 if (err < 0) {
753 dev_err(&dev->dev,
754 "unable to issue vendor read request (ret = %d)", err);
755 return err;
756 }
757
758 kctl->private_value |= (value << 24);
759 return 0;
760 }
761
762 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
763 struct snd_ctl_elem_value *ucontrol)
764 {
765 ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
766 return 0;
767 }
768
769 static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
770 {
771 struct snd_usb_audio *chip = list->mixer->chip;
772 unsigned int pval = list->kctl->private_value;
773 int err;
774
775 err = snd_usb_lock_shutdown(chip);
776 if (err < 0)
777 return err;
778 err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
779 (pval >> 16) & 0xff,
780 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
781 pval >> 24, pval & 0xffff, NULL, 0, 1000);
782 snd_usb_unlock_shutdown(chip);
783 return err;
784 }
785
786 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
787 struct snd_ctl_elem_value *ucontrol)
788 {
789 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
790 u8 oldval = (kcontrol->private_value >> 24) & 0xff;
791 u8 newval = ucontrol->value.integer.value[0];
792 int err;
793
794 if (oldval == newval)
795 return 0;
796
797 kcontrol->private_value &= ~(0xff << 24);
798 kcontrol->private_value |= (unsigned int)newval << 24;
799 err = snd_ni_update_cur_val(list);
800 return err < 0 ? err : 1;
801 }
802
803 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
804 {
805 .name = "Direct Thru Channel A",
806 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
807 },
808 {
809 .name = "Direct Thru Channel B",
810 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
811 },
812 {
813 .name = "Phono Input Channel A",
814 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
815 },
816 {
817 .name = "Phono Input Channel B",
818 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
819 },
820 };
821
822 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
823 {
824 .name = "Direct Thru Channel A",
825 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
826 },
827 {
828 .name = "Direct Thru Channel B",
829 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
830 },
831 {
832 .name = "Direct Thru Channel C",
833 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
834 },
835 {
836 .name = "Direct Thru Channel D",
837 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
838 },
839 {
840 .name = "Phono Input Channel A",
841 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
842 },
843 {
844 .name = "Phono Input Channel B",
845 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
846 },
847 {
848 .name = "Phono Input Channel C",
849 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
850 },
851 {
852 .name = "Phono Input Channel D",
853 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
854 },
855 };
856
857 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
858 const struct snd_kcontrol_new *kc,
859 unsigned int count)
860 {
861 int i, err = 0;
862 struct snd_kcontrol_new template = {
863 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
864 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
865 .get = snd_nativeinstruments_control_get,
866 .put = snd_nativeinstruments_control_put,
867 .info = snd_ctl_boolean_mono_info,
868 };
869
870 for (i = 0; i < count; i++) {
871 struct usb_mixer_elem_list *list;
872
873 template.name = kc[i].name;
874 template.private_value = kc[i].private_value;
875
876 err = add_single_ctl_with_resume(mixer, 0,
877 snd_ni_update_cur_val,
878 &template, &list);
879 if (err < 0)
880 break;
881 snd_ni_control_init_val(mixer, list->kctl);
882 }
883
884 return err;
885 }
886
887 /* M-Audio FastTrack Ultra quirks */
888 /* FTU Effect switch (also used by C400/C600) */
889 static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
890 struct snd_ctl_elem_info *uinfo)
891 {
892 static const char *const texts[8] = {
893 "Room 1", "Room 2", "Room 3", "Hall 1",
894 "Hall 2", "Plate", "Delay", "Echo"
895 };
896
897 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
898 }
899
900 static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
901 struct snd_kcontrol *kctl)
902 {
903 struct usb_device *dev = mixer->chip->dev;
904 unsigned int pval = kctl->private_value;
905 int err;
906 unsigned char value[2];
907
908 value[0] = 0x00;
909 value[1] = 0x00;
910
911 err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
912 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
913 pval & 0xff00,
914 snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
915 value, 2);
916 if (err < 0)
917 return err;
918
919 kctl->private_value |= value[0] << 24;
920 return 0;
921 }
922
923 static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
924 struct snd_ctl_elem_value *ucontrol)
925 {
926 ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
927 return 0;
928 }
929
930 static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
931 {
932 struct snd_usb_audio *chip = list->mixer->chip;
933 unsigned int pval = list->kctl->private_value;
934 unsigned char value[2];
935 int err;
936
937 value[0] = pval >> 24;
938 value[1] = 0;
939
940 err = snd_usb_lock_shutdown(chip);
941 if (err < 0)
942 return err;
943 err = snd_usb_ctl_msg(chip->dev,
944 usb_sndctrlpipe(chip->dev, 0),
945 UAC_SET_CUR,
946 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
947 pval & 0xff00,
948 snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
949 value, 2);
950 snd_usb_unlock_shutdown(chip);
951 return err;
952 }
953
954 static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
955 struct snd_ctl_elem_value *ucontrol)
956 {
957 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
958 unsigned int pval = list->kctl->private_value;
959 int cur_val, err, new_val;
960
961 cur_val = pval >> 24;
962 new_val = ucontrol->value.enumerated.item[0];
963 if (cur_val == new_val)
964 return 0;
965
966 kctl->private_value &= ~(0xff << 24);
967 kctl->private_value |= new_val << 24;
968 err = snd_ftu_eff_switch_update(list);
969 return err < 0 ? err : 1;
970 }
971
972 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
973 int validx, int bUnitID)
974 {
975 static struct snd_kcontrol_new template = {
976 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
977 .name = "Effect Program Switch",
978 .index = 0,
979 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
980 .info = snd_ftu_eff_switch_info,
981 .get = snd_ftu_eff_switch_get,
982 .put = snd_ftu_eff_switch_put
983 };
984 struct usb_mixer_elem_list *list;
985 int err;
986
987 err = add_single_ctl_with_resume(mixer, bUnitID,
988 snd_ftu_eff_switch_update,
989 &template, &list);
990 if (err < 0)
991 return err;
992 list->kctl->private_value = (validx << 8) | bUnitID;
993 snd_ftu_eff_switch_init(mixer, list->kctl);
994 return 0;
995 }
996
997 /* Create volume controls for FTU devices*/
998 static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
999 {
1000 char name[64];
1001 unsigned int control, cmask;
1002 int in, out, err;
1003
1004 const unsigned int id = 5;
1005 const int val_type = USB_MIXER_S16;
1006
1007 for (out = 0; out < 8; out++) {
1008 control = out + 1;
1009 for (in = 0; in < 8; in++) {
1010 cmask = 1 << in;
1011 snprintf(name, sizeof(name),
1012 "AIn%d - Out%d Capture Volume",
1013 in + 1, out + 1);
1014 err = snd_create_std_mono_ctl(mixer, id, control,
1015 cmask, val_type, name,
1016 &snd_usb_mixer_vol_tlv);
1017 if (err < 0)
1018 return err;
1019 }
1020 for (in = 8; in < 16; in++) {
1021 cmask = 1 << in;
1022 snprintf(name, sizeof(name),
1023 "DIn%d - Out%d Playback Volume",
1024 in - 7, out + 1);
1025 err = snd_create_std_mono_ctl(mixer, id, control,
1026 cmask, val_type, name,
1027 &snd_usb_mixer_vol_tlv);
1028 if (err < 0)
1029 return err;
1030 }
1031 }
1032
1033 return 0;
1034 }
1035
1036 /* This control needs a volume quirk, see mixer.c */
1037 static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1038 {
1039 static const char name[] = "Effect Volume";
1040 const unsigned int id = 6;
1041 const int val_type = USB_MIXER_U8;
1042 const unsigned int control = 2;
1043 const unsigned int cmask = 0;
1044
1045 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1046 name, snd_usb_mixer_vol_tlv);
1047 }
1048
1049 /* This control needs a volume quirk, see mixer.c */
1050 static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1051 {
1052 static const char name[] = "Effect Duration";
1053 const unsigned int id = 6;
1054 const int val_type = USB_MIXER_S16;
1055 const unsigned int control = 3;
1056 const unsigned int cmask = 0;
1057
1058 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1059 name, snd_usb_mixer_vol_tlv);
1060 }
1061
1062 /* This control needs a volume quirk, see mixer.c */
1063 static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1064 {
1065 static const char name[] = "Effect Feedback Volume";
1066 const unsigned int id = 6;
1067 const int val_type = USB_MIXER_U8;
1068 const unsigned int control = 4;
1069 const unsigned int cmask = 0;
1070
1071 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1072 name, NULL);
1073 }
1074
1075 static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1076 {
1077 unsigned int cmask;
1078 int err, ch;
1079 char name[48];
1080
1081 const unsigned int id = 7;
1082 const int val_type = USB_MIXER_S16;
1083 const unsigned int control = 7;
1084
1085 for (ch = 0; ch < 4; ++ch) {
1086 cmask = 1 << ch;
1087 snprintf(name, sizeof(name),
1088 "Effect Return %d Volume", ch + 1);
1089 err = snd_create_std_mono_ctl(mixer, id, control,
1090 cmask, val_type, name,
1091 snd_usb_mixer_vol_tlv);
1092 if (err < 0)
1093 return err;
1094 }
1095
1096 return 0;
1097 }
1098
1099 static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1100 {
1101 unsigned int cmask;
1102 int err, ch;
1103 char name[48];
1104
1105 const unsigned int id = 5;
1106 const int val_type = USB_MIXER_S16;
1107 const unsigned int control = 9;
1108
1109 for (ch = 0; ch < 8; ++ch) {
1110 cmask = 1 << ch;
1111 snprintf(name, sizeof(name),
1112 "Effect Send AIn%d Volume", ch + 1);
1113 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1114 val_type, name,
1115 snd_usb_mixer_vol_tlv);
1116 if (err < 0)
1117 return err;
1118 }
1119 for (ch = 8; ch < 16; ++ch) {
1120 cmask = 1 << ch;
1121 snprintf(name, sizeof(name),
1122 "Effect Send DIn%d Volume", ch - 7);
1123 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1124 val_type, name,
1125 snd_usb_mixer_vol_tlv);
1126 if (err < 0)
1127 return err;
1128 }
1129 return 0;
1130 }
1131
1132 static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1133 {
1134 int err;
1135
1136 err = snd_ftu_create_volume_ctls(mixer);
1137 if (err < 0)
1138 return err;
1139
1140 err = snd_ftu_create_effect_switch(mixer, 1, 6);
1141 if (err < 0)
1142 return err;
1143
1144 err = snd_ftu_create_effect_volume_ctl(mixer);
1145 if (err < 0)
1146 return err;
1147
1148 err = snd_ftu_create_effect_duration_ctl(mixer);
1149 if (err < 0)
1150 return err;
1151
1152 err = snd_ftu_create_effect_feedback_ctl(mixer);
1153 if (err < 0)
1154 return err;
1155
1156 err = snd_ftu_create_effect_return_ctls(mixer);
1157 if (err < 0)
1158 return err;
1159
1160 err = snd_ftu_create_effect_send_ctls(mixer);
1161 if (err < 0)
1162 return err;
1163
1164 return 0;
1165 }
1166
1167 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1168 unsigned char samplerate_id)
1169 {
1170 struct usb_mixer_interface *mixer;
1171 struct usb_mixer_elem_info *cval;
1172 int unitid = 12; /* SamleRate ExtensionUnit ID */
1173
1174 list_for_each_entry(mixer, &chip->mixer_list, list) {
1175 cval = (struct usb_mixer_elem_info *)mixer->id_elems[unitid];
1176 if (cval) {
1177 snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1178 cval->control << 8,
1179 samplerate_id);
1180 snd_usb_mixer_notify_id(mixer, unitid);
1181 }
1182 break;
1183 }
1184 }
1185
1186 /* M-Audio Fast Track C400/C600 */
1187 /* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1188 static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1189 {
1190 char name[64];
1191 unsigned int cmask, offset;
1192 int out, chan, err;
1193 int num_outs = 0;
1194 int num_ins = 0;
1195
1196 const unsigned int id = 0x40;
1197 const int val_type = USB_MIXER_S16;
1198 const int control = 1;
1199
1200 switch (mixer->chip->usb_id) {
1201 case USB_ID(0x0763, 0x2030):
1202 num_outs = 6;
1203 num_ins = 4;
1204 break;
1205 case USB_ID(0x0763, 0x2031):
1206 num_outs = 8;
1207 num_ins = 6;
1208 break;
1209 }
1210
1211 for (chan = 0; chan < num_outs + num_ins; chan++) {
1212 for (out = 0; out < num_outs; out++) {
1213 if (chan < num_outs) {
1214 snprintf(name, sizeof(name),
1215 "PCM%d-Out%d Playback Volume",
1216 chan + 1, out + 1);
1217 } else {
1218 snprintf(name, sizeof(name),
1219 "In%d-Out%d Playback Volume",
1220 chan - num_outs + 1, out + 1);
1221 }
1222
1223 cmask = (out == 0) ? 0 : 1 << (out - 1);
1224 offset = chan * num_outs;
1225 err = snd_create_std_mono_ctl_offset(mixer, id, control,
1226 cmask, val_type, offset, name,
1227 &snd_usb_mixer_vol_tlv);
1228 if (err < 0)
1229 return err;
1230 }
1231 }
1232
1233 return 0;
1234 }
1235
1236 /* This control needs a volume quirk, see mixer.c */
1237 static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1238 {
1239 static const char name[] = "Effect Volume";
1240 const unsigned int id = 0x43;
1241 const int val_type = USB_MIXER_U8;
1242 const unsigned int control = 3;
1243 const unsigned int cmask = 0;
1244
1245 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1246 name, snd_usb_mixer_vol_tlv);
1247 }
1248
1249 /* This control needs a volume quirk, see mixer.c */
1250 static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1251 {
1252 static const char name[] = "Effect Duration";
1253 const unsigned int id = 0x43;
1254 const int val_type = USB_MIXER_S16;
1255 const unsigned int control = 4;
1256 const unsigned int cmask = 0;
1257
1258 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1259 name, snd_usb_mixer_vol_tlv);
1260 }
1261
1262 /* This control needs a volume quirk, see mixer.c */
1263 static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1264 {
1265 static const char name[] = "Effect Feedback Volume";
1266 const unsigned int id = 0x43;
1267 const int val_type = USB_MIXER_U8;
1268 const unsigned int control = 5;
1269 const unsigned int cmask = 0;
1270
1271 return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1272 name, NULL);
1273 }
1274
1275 static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1276 {
1277 char name[64];
1278 unsigned int cmask;
1279 int chan, err;
1280 int num_outs = 0;
1281 int num_ins = 0;
1282
1283 const unsigned int id = 0x42;
1284 const int val_type = USB_MIXER_S16;
1285 const int control = 1;
1286
1287 switch (mixer->chip->usb_id) {
1288 case USB_ID(0x0763, 0x2030):
1289 num_outs = 6;
1290 num_ins = 4;
1291 break;
1292 case USB_ID(0x0763, 0x2031):
1293 num_outs = 8;
1294 num_ins = 6;
1295 break;
1296 }
1297
1298 for (chan = 0; chan < num_outs + num_ins; chan++) {
1299 if (chan < num_outs) {
1300 snprintf(name, sizeof(name),
1301 "Effect Send DOut%d",
1302 chan + 1);
1303 } else {
1304 snprintf(name, sizeof(name),
1305 "Effect Send AIn%d",
1306 chan - num_outs + 1);
1307 }
1308
1309 cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1310 err = snd_create_std_mono_ctl(mixer, id, control,
1311 cmask, val_type, name,
1312 &snd_usb_mixer_vol_tlv);
1313 if (err < 0)
1314 return err;
1315 }
1316
1317 return 0;
1318 }
1319
1320 static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1321 {
1322 char name[64];
1323 unsigned int cmask;
1324 int chan, err;
1325 int num_outs = 0;
1326 int offset = 0;
1327
1328 const unsigned int id = 0x40;
1329 const int val_type = USB_MIXER_S16;
1330 const int control = 1;
1331
1332 switch (mixer->chip->usb_id) {
1333 case USB_ID(0x0763, 0x2030):
1334 num_outs = 6;
1335 offset = 0x3c;
1336 /* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1337 break;
1338 case USB_ID(0x0763, 0x2031):
1339 num_outs = 8;
1340 offset = 0x70;
1341 /* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1342 break;
1343 }
1344
1345 for (chan = 0; chan < num_outs; chan++) {
1346 snprintf(name, sizeof(name),
1347 "Effect Return %d",
1348 chan + 1);
1349
1350 cmask = (chan == 0) ? 0 :
1351 1 << (chan + (chan % 2) * num_outs - 1);
1352 err = snd_create_std_mono_ctl_offset(mixer, id, control,
1353 cmask, val_type, offset, name,
1354 &snd_usb_mixer_vol_tlv);
1355 if (err < 0)
1356 return err;
1357 }
1358
1359 return 0;
1360 }
1361
1362 static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1363 {
1364 int err;
1365
1366 err = snd_c400_create_vol_ctls(mixer);
1367 if (err < 0)
1368 return err;
1369
1370 err = snd_c400_create_effect_vol_ctls(mixer);
1371 if (err < 0)
1372 return err;
1373
1374 err = snd_c400_create_effect_ret_vol_ctls(mixer);
1375 if (err < 0)
1376 return err;
1377
1378 err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1379 if (err < 0)
1380 return err;
1381
1382 err = snd_c400_create_effect_volume_ctl(mixer);
1383 if (err < 0)
1384 return err;
1385
1386 err = snd_c400_create_effect_duration_ctl(mixer);
1387 if (err < 0)
1388 return err;
1389
1390 err = snd_c400_create_effect_feedback_ctl(mixer);
1391 if (err < 0)
1392 return err;
1393
1394 return 0;
1395 }
1396
1397 /*
1398 * The mixer units for Ebox-44 are corrupt, and even where they
1399 * are valid they presents mono controls as L and R channels of
1400 * stereo. So we provide a good mixer here.
1401 */
1402 static struct std_mono_table ebox44_table[] = {
1403 {
1404 .unitid = 4,
1405 .control = 1,
1406 .cmask = 0x0,
1407 .val_type = USB_MIXER_INV_BOOLEAN,
1408 .name = "Headphone Playback Switch"
1409 },
1410 {
1411 .unitid = 4,
1412 .control = 2,
1413 .cmask = 0x1,
1414 .val_type = USB_MIXER_S16,
1415 .name = "Headphone A Mix Playback Volume"
1416 },
1417 {
1418 .unitid = 4,
1419 .control = 2,
1420 .cmask = 0x2,
1421 .val_type = USB_MIXER_S16,
1422 .name = "Headphone B Mix Playback Volume"
1423 },
1424
1425 {
1426 .unitid = 7,
1427 .control = 1,
1428 .cmask = 0x0,
1429 .val_type = USB_MIXER_INV_BOOLEAN,
1430 .name = "Output Playback Switch"
1431 },
1432 {
1433 .unitid = 7,
1434 .control = 2,
1435 .cmask = 0x1,
1436 .val_type = USB_MIXER_S16,
1437 .name = "Output A Playback Volume"
1438 },
1439 {
1440 .unitid = 7,
1441 .control = 2,
1442 .cmask = 0x2,
1443 .val_type = USB_MIXER_S16,
1444 .name = "Output B Playback Volume"
1445 },
1446
1447 {
1448 .unitid = 10,
1449 .control = 1,
1450 .cmask = 0x0,
1451 .val_type = USB_MIXER_INV_BOOLEAN,
1452 .name = "Input Capture Switch"
1453 },
1454 {
1455 .unitid = 10,
1456 .control = 2,
1457 .cmask = 0x1,
1458 .val_type = USB_MIXER_S16,
1459 .name = "Input A Capture Volume"
1460 },
1461 {
1462 .unitid = 10,
1463 .control = 2,
1464 .cmask = 0x2,
1465 .val_type = USB_MIXER_S16,
1466 .name = "Input B Capture Volume"
1467 },
1468
1469 {}
1470 };
1471
1472 /* Audio Advantage Micro II findings:
1473 *
1474 * Mapping spdif AES bits to vendor register.bit:
1475 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1476 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1477 * AES2: [0 0 0 0 0 0 0 0]
1478 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1479 * (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1480 *
1481 * power on values:
1482 * r2: 0x10
1483 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1484 * just after it to 0xa0, presumably it disables/mutes some analog
1485 * parts when there is no audio.)
1486 * r9: 0x28
1487 *
1488 * Optical transmitter on/off:
1489 * vendor register.bit: 9.1
1490 * 0 - on (0x28 register value)
1491 * 1 - off (0x2a register value)
1492 *
1493 */
1494 static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1495 struct snd_ctl_elem_info *uinfo)
1496 {
1497 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1498 uinfo->count = 1;
1499 return 0;
1500 }
1501
1502 static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1503 struct snd_ctl_elem_value *ucontrol)
1504 {
1505 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1506 struct snd_usb_audio *chip = list->mixer->chip;
1507 int err;
1508 struct usb_interface *iface;
1509 struct usb_host_interface *alts;
1510 unsigned int ep;
1511 unsigned char data[3];
1512 int rate;
1513
1514 err = snd_usb_lock_shutdown(chip);
1515 if (err < 0)
1516 return err;
1517
1518 ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1519 ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1520 ucontrol->value.iec958.status[2] = 0x00;
1521
1522 /* use known values for that card: interface#1 altsetting#1 */
1523 iface = usb_ifnum_to_if(chip->dev, 1);
1524 if (!iface || iface->num_altsetting < 2)
1525 return -EINVAL;
1526 alts = &iface->altsetting[1];
1527 if (get_iface_desc(alts)->bNumEndpoints < 1)
1528 return -EINVAL;
1529 ep = get_endpoint(alts, 0)->bEndpointAddress;
1530
1531 err = snd_usb_ctl_msg(chip->dev,
1532 usb_rcvctrlpipe(chip->dev, 0),
1533 UAC_GET_CUR,
1534 USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1535 UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1536 ep,
1537 data,
1538 sizeof(data));
1539 if (err < 0)
1540 goto end;
1541
1542 rate = data[0] | (data[1] << 8) | (data[2] << 16);
1543 ucontrol->value.iec958.status[3] = (rate == 48000) ?
1544 IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1545
1546 err = 0;
1547 end:
1548 snd_usb_unlock_shutdown(chip);
1549 return err;
1550 }
1551
1552 static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1553 {
1554 struct snd_usb_audio *chip = list->mixer->chip;
1555 unsigned int pval = list->kctl->private_value;
1556 u8 reg;
1557 int err;
1558
1559 err = snd_usb_lock_shutdown(chip);
1560 if (err < 0)
1561 return err;
1562
1563 reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1564 err = snd_usb_ctl_msg(chip->dev,
1565 usb_sndctrlpipe(chip->dev, 0),
1566 UAC_SET_CUR,
1567 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1568 reg,
1569 2,
1570 NULL,
1571 0);
1572 if (err < 0)
1573 goto end;
1574
1575 reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1576 reg |= (pval >> 12) & 0x0f;
1577 err = snd_usb_ctl_msg(chip->dev,
1578 usb_sndctrlpipe(chip->dev, 0),
1579 UAC_SET_CUR,
1580 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1581 reg,
1582 3,
1583 NULL,
1584 0);
1585 if (err < 0)
1586 goto end;
1587
1588 end:
1589 snd_usb_unlock_shutdown(chip);
1590 return err;
1591 }
1592
1593 static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1594 struct snd_ctl_elem_value *ucontrol)
1595 {
1596 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1597 unsigned int pval, pval_old;
1598 int err;
1599
1600 pval = pval_old = kcontrol->private_value;
1601 pval &= 0xfffff0f0;
1602 pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1603 pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1604
1605 pval &= 0xffff0fff;
1606 pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1607
1608 /* The frequency bits in AES3 cannot be set via register access. */
1609
1610 /* Silently ignore any bits from the request that cannot be set. */
1611
1612 if (pval == pval_old)
1613 return 0;
1614
1615 kcontrol->private_value = pval;
1616 err = snd_microii_spdif_default_update(list);
1617 return err < 0 ? err : 1;
1618 }
1619
1620 static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1621 struct snd_ctl_elem_value *ucontrol)
1622 {
1623 ucontrol->value.iec958.status[0] = 0x0f;
1624 ucontrol->value.iec958.status[1] = 0xff;
1625 ucontrol->value.iec958.status[2] = 0x00;
1626 ucontrol->value.iec958.status[3] = 0x00;
1627
1628 return 0;
1629 }
1630
1631 static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1632 struct snd_ctl_elem_value *ucontrol)
1633 {
1634 ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1635
1636 return 0;
1637 }
1638
1639 static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1640 {
1641 struct snd_usb_audio *chip = list->mixer->chip;
1642 u8 reg = list->kctl->private_value;
1643 int err;
1644
1645 err = snd_usb_lock_shutdown(chip);
1646 if (err < 0)
1647 return err;
1648
1649 err = snd_usb_ctl_msg(chip->dev,
1650 usb_sndctrlpipe(chip->dev, 0),
1651 UAC_SET_CUR,
1652 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1653 reg,
1654 9,
1655 NULL,
1656 0);
1657
1658 snd_usb_unlock_shutdown(chip);
1659 return err;
1660 }
1661
1662 static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1663 struct snd_ctl_elem_value *ucontrol)
1664 {
1665 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1666 u8 reg;
1667 int err;
1668
1669 reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1670 if (reg != list->kctl->private_value)
1671 return 0;
1672
1673 kcontrol->private_value = reg;
1674 err = snd_microii_spdif_switch_update(list);
1675 return err < 0 ? err : 1;
1676 }
1677
1678 static struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1679 {
1680 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1681 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1682 .info = snd_microii_spdif_info,
1683 .get = snd_microii_spdif_default_get,
1684 .put = snd_microii_spdif_default_put,
1685 .private_value = 0x00000100UL,/* reset value */
1686 },
1687 {
1688 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1689 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1690 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1691 .info = snd_microii_spdif_info,
1692 .get = snd_microii_spdif_mask_get,
1693 },
1694 {
1695 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1696 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1697 .info = snd_ctl_boolean_mono_info,
1698 .get = snd_microii_spdif_switch_get,
1699 .put = snd_microii_spdif_switch_put,
1700 .private_value = 0x00000028UL,/* reset value */
1701 }
1702 };
1703
1704 static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1705 {
1706 int err, i;
1707 static usb_mixer_elem_resume_func_t resume_funcs[] = {
1708 snd_microii_spdif_default_update,
1709 NULL,
1710 snd_microii_spdif_switch_update
1711 };
1712
1713 for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1714 err = add_single_ctl_with_resume(mixer, 0,
1715 resume_funcs[i],
1716 &snd_microii_mixer_spdif[i],
1717 NULL);
1718 if (err < 0)
1719 return err;
1720 }
1721
1722 return 0;
1723 }
1724
1725 /* Creative Sound Blaster E1 */
1726
1727 static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
1728 struct snd_ctl_elem_value *ucontrol)
1729 {
1730 ucontrol->value.integer.value[0] = kcontrol->private_value;
1731 return 0;
1732 }
1733
1734 static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
1735 unsigned char state)
1736 {
1737 struct snd_usb_audio *chip = mixer->chip;
1738 int err;
1739 unsigned char buff[2];
1740
1741 buff[0] = 0x02;
1742 buff[1] = state ? 0x02 : 0x00;
1743
1744 err = snd_usb_lock_shutdown(chip);
1745 if (err < 0)
1746 return err;
1747 err = snd_usb_ctl_msg(chip->dev,
1748 usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
1749 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
1750 0x0202, 3, buff, 2);
1751 snd_usb_unlock_shutdown(chip);
1752 return err;
1753 }
1754
1755 static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
1756 struct snd_ctl_elem_value *ucontrol)
1757 {
1758 struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1759 unsigned char value = !!ucontrol->value.integer.value[0];
1760 int err;
1761
1762 if (kcontrol->private_value == value)
1763 return 0;
1764 kcontrol->private_value = value;
1765 err = snd_soundblaster_e1_switch_update(list->mixer, value);
1766 return err < 0 ? err : 1;
1767 }
1768
1769 static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
1770 {
1771 return snd_soundblaster_e1_switch_update(list->mixer,
1772 list->kctl->private_value);
1773 }
1774
1775 static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
1776 struct snd_ctl_elem_info *uinfo)
1777 {
1778 static const char *const texts[2] = {
1779 "Mic", "Aux"
1780 };
1781
1782 return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1783 }
1784
1785 static struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
1786 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1787 .name = "Input Source",
1788 .info = snd_soundblaster_e1_switch_info,
1789 .get = snd_soundblaster_e1_switch_get,
1790 .put = snd_soundblaster_e1_switch_put,
1791 .private_value = 0,
1792 };
1793
1794 static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
1795 {
1796 return add_single_ctl_with_resume(mixer, 0,
1797 snd_soundblaster_e1_switch_resume,
1798 &snd_soundblaster_e1_input_switch,
1799 NULL);
1800 }
1801
1802 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1803 {
1804 int err = 0;
1805 struct snd_info_entry *entry;
1806
1807 if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
1808 return err;
1809
1810 switch (mixer->chip->usb_id) {
1811 /* Tascam US-16x08 */
1812 case USB_ID(0x0644, 0x8047):
1813 err = snd_us16x08_controls_create(mixer);
1814 break;
1815 case USB_ID(0x041e, 0x3020):
1816 case USB_ID(0x041e, 0x3040):
1817 case USB_ID(0x041e, 0x3042):
1818 case USB_ID(0x041e, 0x30df):
1819 case USB_ID(0x041e, 0x3048):
1820 err = snd_audigy2nx_controls_create(mixer);
1821 if (err < 0)
1822 break;
1823 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1824 snd_info_set_text_ops(entry, mixer,
1825 snd_audigy2nx_proc_read);
1826 break;
1827
1828 /* EMU0204 */
1829 case USB_ID(0x041e, 0x3f19):
1830 err = snd_emu0204_controls_create(mixer);
1831 if (err < 0)
1832 break;
1833 break;
1834
1835 case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
1836 case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
1837 err = snd_c400_create_mixer(mixer);
1838 break;
1839
1840 case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1841 case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1842 err = snd_ftu_create_mixer(mixer);
1843 break;
1844
1845 case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
1846 case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
1847 case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
1848 err = snd_xonar_u1_controls_create(mixer);
1849 break;
1850
1851 case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
1852 err = snd_microii_controls_create(mixer);
1853 break;
1854
1855 case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
1856 err = snd_mbox1_create_sync_switch(mixer);
1857 break;
1858
1859 case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1860 err = snd_nativeinstruments_create_mixer(mixer,
1861 snd_nativeinstruments_ta6_mixers,
1862 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1863 break;
1864
1865 case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1866 err = snd_nativeinstruments_create_mixer(mixer,
1867 snd_nativeinstruments_ta10_mixers,
1868 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1869 break;
1870
1871 case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1872 /* detection is disabled in mixer_maps.c */
1873 err = snd_create_std_mono_table(mixer, ebox44_table);
1874 break;
1875
1876 case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
1877 case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
1878 case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
1879 case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
1880 case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
1881 err = snd_scarlett_controls_create(mixer);
1882 break;
1883
1884 case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
1885 err = snd_soundblaster_e1_switch_create(mixer);
1886 break;
1887 }
1888
1889 return err;
1890 }
1891
1892 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1893 int unitid)
1894 {
1895 if (!mixer->rc_cfg)
1896 return;
1897 /* unit ids specific to Extigy/Audigy 2 NX: */
1898 switch (unitid) {
1899 case 0: /* remote control */
1900 mixer->rc_urb->dev = mixer->chip->dev;
1901 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1902 break;
1903 case 4: /* digital in jack */
1904 case 7: /* line in jacks */
1905 case 19: /* speaker out jacks */
1906 case 20: /* headphones out jack */
1907 break;
1908 /* live24ext: 4 = line-in jack */
1909 case 3: /* hp-out jack (may actuate Mute) */
1910 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1911 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1912 snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1913 break;
1914 default:
1915 usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
1916 break;
1917 }
1918 }
1919
1920 static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
1921 struct usb_mixer_elem_info *cval,
1922 struct snd_kcontrol *kctl)
1923 {
1924 /* Approximation using 10 ranges based on output measurement on hw v1.2.
1925 * This seems close to the cubic mapping e.g. alsamixer uses. */
1926 static const DECLARE_TLV_DB_RANGE(scale,
1927 0, 1, TLV_DB_MINMAX_ITEM(-5300, -4970),
1928 2, 5, TLV_DB_MINMAX_ITEM(-4710, -4160),
1929 6, 7, TLV_DB_MINMAX_ITEM(-3884, -3710),
1930 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
1931 15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
1932 17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
1933 20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
1934 27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
1935 32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
1936 41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
1937 );
1938
1939 if (cval->min == 0 && cval->max == 50) {
1940 usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
1941 kctl->tlv.p = scale;
1942 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1943 kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
1944
1945 } else if (cval->min == 0 && cval->max <= 1000) {
1946 /* Some other clearly broken DragonFly variant.
1947 * At least a 0..53 variant (hw v1.0) exists.
1948 */
1949 usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
1950 kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
1951 }
1952 }
1953
1954 void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
1955 struct usb_mixer_elem_info *cval, int unitid,
1956 struct snd_kcontrol *kctl)
1957 {
1958 switch (mixer->chip->usb_id) {
1959 case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
1960 if (unitid == 7 && cval->control == UAC_FU_VOLUME)
1961 snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
1962 break;
1963 /* lowest playback value is muted on C-Media devices */
1964 case USB_ID(0x0d8c, 0x000c):
1965 case USB_ID(0x0d8c, 0x0014):
1966 if (strstr(kctl->id.name, "Playback"))
1967 cval->min_mute = 1;
1968 break;
1969 }
1970 }
1971
Linux with added FPC-III support