xref: /linux/sound/usb/mixer_quirks.c (revision 827634added7f38b7d724cab1dccdb2b004c13c3)
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/init.h>
31 #include <linux/slab.h>
32 #include <linux/usb.h>
33 #include <linux/usb/audio.h>
34 
35 #include <sound/asoundef.h>
36 #include <sound/core.h>
37 #include <sound/control.h>
38 #include <sound/hwdep.h>
39 #include <sound/info.h>
40 
41 #include "usbaudio.h"
42 #include "mixer.h"
43 #include "mixer_quirks.h"
44 #include "mixer_scarlett.h"
45 #include "helper.h"
46 
47 extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
48 
49 struct std_mono_table {
50 	unsigned int unitid, control, cmask;
51 	int val_type;
52 	const char *name;
53 	snd_kcontrol_tlv_rw_t *tlv_callback;
54 };
55 
56 /* This function allows for the creation of standard UAC controls.
57  * See the quirks for M-Audio FTUs or Ebox-44.
58  * If you don't want to set a TLV callback pass NULL.
59  *
60  * Since there doesn't seem to be a devices that needs a multichannel
61  * version, we keep it mono for simplicity.
62  */
63 static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
64 				unsigned int unitid,
65 				unsigned int control,
66 				unsigned int cmask,
67 				int val_type,
68 				unsigned int idx_off,
69 				const char *name,
70 				snd_kcontrol_tlv_rw_t *tlv_callback)
71 {
72 	struct usb_mixer_elem_info *cval;
73 	struct snd_kcontrol *kctl;
74 
75 	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
76 	if (!cval)
77 		return -ENOMEM;
78 
79 	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
80 	cval->val_type = val_type;
81 	cval->channels = 1;
82 	cval->control = control;
83 	cval->cmask = cmask;
84 	cval->idx_off = idx_off;
85 
86 	/* get_min_max() is called only for integer volumes later,
87 	 * so provide a short-cut for booleans */
88 	cval->min = 0;
89 	cval->max = 1;
90 	cval->res = 0;
91 	cval->dBmin = 0;
92 	cval->dBmax = 0;
93 
94 	/* Create control */
95 	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
96 	if (!kctl) {
97 		kfree(cval);
98 		return -ENOMEM;
99 	}
100 
101 	/* Set name */
102 	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
103 	kctl->private_free = snd_usb_mixer_elem_free;
104 
105 	/* set TLV */
106 	if (tlv_callback) {
107 		kctl->tlv.c = tlv_callback;
108 		kctl->vd[0].access |=
109 			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
110 			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
111 	}
112 	/* Add control to mixer */
113 	return snd_usb_mixer_add_control(&cval->head, kctl);
114 }
115 
116 static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
117 				unsigned int unitid,
118 				unsigned int control,
119 				unsigned int cmask,
120 				int val_type,
121 				const char *name,
122 				snd_kcontrol_tlv_rw_t *tlv_callback)
123 {
124 	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
125 		val_type, 0 /* Offset */, name, tlv_callback);
126 }
127 
128 /*
129  * Create a set of standard UAC controls from a table
130  */
131 static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
132 				struct std_mono_table *t)
133 {
134 	int err;
135 
136 	while (t->name != NULL) {
137 		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
138 				t->cmask, t->val_type, t->name, t->tlv_callback);
139 		if (err < 0)
140 			return err;
141 		t++;
142 	}
143 
144 	return 0;
145 }
146 
147 static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
148 				      int id,
149 				      usb_mixer_elem_resume_func_t resume,
150 				      const struct snd_kcontrol_new *knew,
151 				      struct usb_mixer_elem_list **listp)
152 {
153 	struct usb_mixer_elem_list *list;
154 	struct snd_kcontrol *kctl;
155 
156 	list = kzalloc(sizeof(*list), GFP_KERNEL);
157 	if (!list)
158 		return -ENOMEM;
159 	if (listp)
160 		*listp = list;
161 	list->mixer = mixer;
162 	list->id = id;
163 	list->resume = resume;
164 	kctl = snd_ctl_new1(knew, list);
165 	if (!kctl) {
166 		kfree(list);
167 		return -ENOMEM;
168 	}
169 	kctl->private_free = snd_usb_mixer_elem_free;
170 	return snd_usb_mixer_add_control(list, kctl);
171 }
172 
173 /*
174  * Sound Blaster remote control configuration
175  *
176  * format of remote control data:
177  * Extigy:       xx 00
178  * Audigy 2 NX:  06 80 xx 00 00 00
179  * Live! 24-bit: 06 80 xx yy 22 83
180  */
181 static const struct rc_config {
182 	u32 usb_id;
183 	u8  offset;
184 	u8  length;
185 	u8  packet_length;
186 	u8  min_packet_length; /* minimum accepted length of the URB result */
187 	u8  mute_mixer_id;
188 	u32 mute_code;
189 } rc_configs[] = {
190 	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
191 	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
192 	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
193 	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
194 	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
195 	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
196 	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
197 };
198 
199 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
200 {
201 	struct usb_mixer_interface *mixer = urb->context;
202 	const struct rc_config *rc = mixer->rc_cfg;
203 	u32 code;
204 
205 	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
206 		return;
207 
208 	code = mixer->rc_buffer[rc->offset];
209 	if (rc->length == 2)
210 		code |= mixer->rc_buffer[rc->offset + 1] << 8;
211 
212 	/* the Mute button actually changes the mixer control */
213 	if (code == rc->mute_code)
214 		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
215 	mixer->rc_code = code;
216 	wmb();
217 	wake_up(&mixer->rc_waitq);
218 }
219 
220 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
221 				     long count, loff_t *offset)
222 {
223 	struct usb_mixer_interface *mixer = hw->private_data;
224 	int err;
225 	u32 rc_code;
226 
227 	if (count != 1 && count != 4)
228 		return -EINVAL;
229 	err = wait_event_interruptible(mixer->rc_waitq,
230 				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
231 	if (err == 0) {
232 		if (count == 1)
233 			err = put_user(rc_code, buf);
234 		else
235 			err = put_user(rc_code, (u32 __user *)buf);
236 	}
237 	return err < 0 ? err : count;
238 }
239 
240 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
241 					    poll_table *wait)
242 {
243 	struct usb_mixer_interface *mixer = hw->private_data;
244 
245 	poll_wait(file, &mixer->rc_waitq, wait);
246 	return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
247 }
248 
249 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
250 {
251 	struct snd_hwdep *hwdep;
252 	int err, len, i;
253 
254 	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
255 		if (rc_configs[i].usb_id == mixer->chip->usb_id)
256 			break;
257 	if (i >= ARRAY_SIZE(rc_configs))
258 		return 0;
259 	mixer->rc_cfg = &rc_configs[i];
260 
261 	len = mixer->rc_cfg->packet_length;
262 
263 	init_waitqueue_head(&mixer->rc_waitq);
264 	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
265 	if (err < 0)
266 		return err;
267 	snprintf(hwdep->name, sizeof(hwdep->name),
268 		 "%s remote control", mixer->chip->card->shortname);
269 	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
270 	hwdep->private_data = mixer;
271 	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
272 	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
273 	hwdep->exclusive = 1;
274 
275 	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
276 	if (!mixer->rc_urb)
277 		return -ENOMEM;
278 	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
279 	if (!mixer->rc_setup_packet) {
280 		usb_free_urb(mixer->rc_urb);
281 		mixer->rc_urb = NULL;
282 		return -ENOMEM;
283 	}
284 	mixer->rc_setup_packet->bRequestType =
285 		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
286 	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
287 	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
288 	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
289 	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
290 	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
291 			     usb_rcvctrlpipe(mixer->chip->dev, 0),
292 			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
293 			     snd_usb_soundblaster_remote_complete, mixer);
294 	return 0;
295 }
296 
297 #define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
298 
299 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
300 {
301 	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
302 	return 0;
303 }
304 
305 static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
306 				    int value, int index)
307 {
308 	struct snd_usb_audio *chip = mixer->chip;
309 	int err;
310 
311 	down_read(&chip->shutdown_rwsem);
312 	if (chip->shutdown) {
313 		err = -ENODEV;
314 		goto out;
315 	}
316 	if (chip->usb_id == USB_ID(0x041e, 0x3042))
317 		err = snd_usb_ctl_msg(chip->dev,
318 			      usb_sndctrlpipe(chip->dev, 0), 0x24,
319 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
320 			      !value, 0, NULL, 0);
321 	/* USB X-Fi S51 Pro */
322 	if (chip->usb_id == USB_ID(0x041e, 0x30df))
323 		err = snd_usb_ctl_msg(chip->dev,
324 			      usb_sndctrlpipe(chip->dev, 0), 0x24,
325 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
326 			      !value, 0, NULL, 0);
327 	else
328 		err = snd_usb_ctl_msg(chip->dev,
329 			      usb_sndctrlpipe(chip->dev, 0), 0x24,
330 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
331 			      value, index + 2, NULL, 0);
332  out:
333 	up_read(&chip->shutdown_rwsem);
334 	return err;
335 }
336 
337 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
338 				 struct snd_ctl_elem_value *ucontrol)
339 {
340 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
341 	struct usb_mixer_interface *mixer = list->mixer;
342 	int index = kcontrol->private_value & 0xff;
343 	int value = ucontrol->value.integer.value[0];
344 	int old_value = kcontrol->private_value >> 8;
345 	int err;
346 
347 	if (value > 1)
348 		return -EINVAL;
349 	if (value == old_value)
350 		return 0;
351 	kcontrol->private_value = (value << 8) | index;
352 	err = snd_audigy2nx_led_update(mixer, value, index);
353 	return err < 0 ? err : 1;
354 }
355 
356 static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
357 {
358 	int priv_value = list->kctl->private_value;
359 
360 	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
361 					priv_value & 0xff);
362 }
363 
364 /* name and private_value are set dynamically */
365 static struct snd_kcontrol_new snd_audigy2nx_control = {
366 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
367 	.info = snd_audigy2nx_led_info,
368 	.get = snd_audigy2nx_led_get,
369 	.put = snd_audigy2nx_led_put,
370 };
371 
372 static const char * const snd_audigy2nx_led_names[] = {
373 	"CMSS LED Switch",
374 	"Power LED Switch",
375 	"Dolby Digital LED Switch",
376 };
377 
378 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
379 {
380 	int i, err;
381 
382 	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
383 		struct snd_kcontrol_new knew;
384 
385 		/* USB X-Fi S51 doesn't have a CMSS LED */
386 		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
387 			continue;
388 		/* USB X-Fi S51 Pro doesn't have one either */
389 		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
390 			continue;
391 		if (i > 1 && /* Live24ext has 2 LEDs only */
392 			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
393 			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
394 			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
395 			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
396 			break;
397 
398 		knew = snd_audigy2nx_control;
399 		knew.name = snd_audigy2nx_led_names[i];
400 		knew.private_value = (1 << 8) | i; /* LED on as default */
401 		err = add_single_ctl_with_resume(mixer, 0,
402 						 snd_audigy2nx_led_resume,
403 						 &knew, NULL);
404 		if (err < 0)
405 			return err;
406 	}
407 	return 0;
408 }
409 
410 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
411 				    struct snd_info_buffer *buffer)
412 {
413 	static const struct sb_jack {
414 		int unitid;
415 		const char *name;
416 	}  jacks_audigy2nx[] = {
417 		{4,  "dig in "},
418 		{7,  "line in"},
419 		{19, "spk out"},
420 		{20, "hph out"},
421 		{-1, NULL}
422 	}, jacks_live24ext[] = {
423 		{4,  "line in"}, /* &1=Line, &2=Mic*/
424 		{3,  "hph out"}, /* headphones */
425 		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
426 		{-1, NULL}
427 	};
428 	const struct sb_jack *jacks;
429 	struct usb_mixer_interface *mixer = entry->private_data;
430 	int i, err;
431 	u8 buf[3];
432 
433 	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
434 	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
435 		jacks = jacks_audigy2nx;
436 	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
437 		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
438 		jacks = jacks_live24ext;
439 	else
440 		return;
441 
442 	for (i = 0; jacks[i].name; ++i) {
443 		snd_iprintf(buffer, "%s: ", jacks[i].name);
444 		down_read(&mixer->chip->shutdown_rwsem);
445 		if (mixer->chip->shutdown)
446 			err = 0;
447 		else
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 		up_read(&mixer->chip->shutdown_rwsem);
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 	down_read(&chip->shutdown_rwsem);
485 	if (mixer->chip->shutdown) {
486 		err = -ENODEV;
487 		goto out;
488 	}
489 
490 	buf[0] = 0x01;
491 	buf[1] = value ? 0x02 : 0x01;
492 	err = snd_usb_ctl_msg(chip->dev,
493 		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
494 		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
495 		      0x0400, 0x0e00, buf, 2);
496  out:
497 	up_read(&chip->shutdown_rwsem);
498 	return err;
499 }
500 
501 static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
502 				     struct snd_ctl_elem_value *ucontrol)
503 {
504 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
505 	struct usb_mixer_interface *mixer = list->mixer;
506 	unsigned int value = ucontrol->value.enumerated.item[0];
507 	int err;
508 
509 	if (value > 1)
510 		return -EINVAL;
511 
512 	if (value == kcontrol->private_value)
513 		return 0;
514 
515 	kcontrol->private_value = value;
516 	err = snd_emu0204_ch_switch_update(mixer, value);
517 	return err < 0 ? err : 1;
518 }
519 
520 static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
521 {
522 	return snd_emu0204_ch_switch_update(list->mixer,
523 					    list->kctl->private_value);
524 }
525 
526 static struct snd_kcontrol_new snd_emu0204_control = {
527 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
528 	.name = "Front Jack Channels",
529 	.info = snd_emu0204_ch_switch_info,
530 	.get = snd_emu0204_ch_switch_get,
531 	.put = snd_emu0204_ch_switch_put,
532 	.private_value = 0,
533 };
534 
535 static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
536 {
537 	return add_single_ctl_with_resume(mixer, 0,
538 					  snd_emu0204_ch_switch_resume,
539 					  &snd_emu0204_control, NULL);
540 }
541 
542 /* ASUS Xonar U1 / U3 controls */
543 
544 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
545 				   struct snd_ctl_elem_value *ucontrol)
546 {
547 	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
548 	return 0;
549 }
550 
551 static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
552 				      unsigned char status)
553 {
554 	struct snd_usb_audio *chip = mixer->chip;
555 	int err;
556 
557 	down_read(&chip->shutdown_rwsem);
558 	if (chip->shutdown)
559 		err = -ENODEV;
560 	else
561 		err = snd_usb_ctl_msg(chip->dev,
562 			      usb_sndctrlpipe(chip->dev, 0), 0x08,
563 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
564 			      50, 0, &status, 1);
565 	up_read(&chip->shutdown_rwsem);
566 	return err;
567 }
568 
569 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
570 				   struct snd_ctl_elem_value *ucontrol)
571 {
572 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
573 	u8 old_status, new_status;
574 	int err;
575 
576 	old_status = kcontrol->private_value;
577 	if (ucontrol->value.integer.value[0])
578 		new_status = old_status | 0x02;
579 	else
580 		new_status = old_status & ~0x02;
581 	if (new_status == old_status)
582 		return 0;
583 
584 	kcontrol->private_value = new_status;
585 	err = snd_xonar_u1_switch_update(list->mixer, new_status);
586 	return err < 0 ? err : 1;
587 }
588 
589 static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
590 {
591 	return snd_xonar_u1_switch_update(list->mixer,
592 					  list->kctl->private_value);
593 }
594 
595 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
596 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
597 	.name = "Digital Playback Switch",
598 	.info = snd_ctl_boolean_mono_info,
599 	.get = snd_xonar_u1_switch_get,
600 	.put = snd_xonar_u1_switch_put,
601 	.private_value = 0x05,
602 };
603 
604 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
605 {
606 	return add_single_ctl_with_resume(mixer, 0,
607 					  snd_xonar_u1_switch_resume,
608 					  &snd_xonar_u1_output_switch, NULL);
609 }
610 
611 /* Digidesign Mbox 1 clock source switch (internal/spdif) */
612 
613 static int snd_mbox1_switch_get(struct snd_kcontrol *kctl,
614 				struct snd_ctl_elem_value *ucontrol)
615 {
616 	ucontrol->value.enumerated.item[0] = kctl->private_value;
617 	return 0;
618 }
619 
620 static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val)
621 {
622 	struct snd_usb_audio *chip = mixer->chip;
623 	int err;
624 	unsigned char buff[3];
625 
626 	down_read(&chip->shutdown_rwsem);
627 	if (chip->shutdown) {
628 		err = -ENODEV;
629 		goto err;
630 	}
631 
632 	/* Prepare for magic command to toggle clock source */
633 	err = snd_usb_ctl_msg(chip->dev,
634 				usb_rcvctrlpipe(chip->dev, 0), 0x81,
635 				USB_DIR_IN |
636 				USB_TYPE_CLASS |
637 				USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
638 	if (err < 0)
639 		goto err;
640 	err = snd_usb_ctl_msg(chip->dev,
641 				usb_rcvctrlpipe(chip->dev, 0), 0x81,
642 				USB_DIR_IN |
643 				USB_TYPE_CLASS |
644 				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
645 	if (err < 0)
646 		goto err;
647 
648 	/* 2 possibilities:	Internal    -> send sample rate
649 	 *			S/PDIF sync -> send zeroes
650 	 * NB: Sample rate locked to 48kHz on purpose to
651 	 *     prevent user from resetting the sample rate
652 	 *     while S/PDIF sync is enabled and confusing
653 	 *     this configuration.
654 	 */
655 	if (val == 0) {
656 		buff[0] = 0x80;
657 		buff[1] = 0xbb;
658 		buff[2] = 0x00;
659 	} else {
660 		buff[0] = buff[1] = buff[2] = 0x00;
661 	}
662 
663 	/* Send the magic command to toggle the clock source */
664 	err = snd_usb_ctl_msg(chip->dev,
665 				usb_sndctrlpipe(chip->dev, 0), 0x1,
666 				USB_TYPE_CLASS |
667 				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
668 	if (err < 0)
669 		goto err;
670 	err = snd_usb_ctl_msg(chip->dev,
671 				usb_rcvctrlpipe(chip->dev, 0), 0x81,
672 				USB_DIR_IN |
673 				USB_TYPE_CLASS |
674 				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
675 	if (err < 0)
676 		goto err;
677 	err = snd_usb_ctl_msg(chip->dev,
678 				usb_rcvctrlpipe(chip->dev, 0), 0x81,
679 				USB_DIR_IN |
680 				USB_TYPE_CLASS |
681 				USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3);
682 	if (err < 0)
683 		goto err;
684 
685 err:
686 	up_read(&chip->shutdown_rwsem);
687 	return err;
688 }
689 
690 static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
691 				struct snd_ctl_elem_value *ucontrol)
692 {
693 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
694 	struct usb_mixer_interface *mixer = list->mixer;
695 	int err;
696 	bool cur_val, new_val;
697 
698 	cur_val = kctl->private_value;
699 	new_val = ucontrol->value.enumerated.item[0];
700 	if (cur_val == new_val)
701 		return 0;
702 
703 	kctl->private_value = new_val;
704 	err = snd_mbox1_switch_update(mixer, new_val);
705 	return err < 0 ? err : 1;
706 }
707 
708 static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol,
709 				 struct snd_ctl_elem_info *uinfo)
710 {
711 	static const char *const texts[2] = {
712 		"Internal",
713 		"S/PDIF"
714 	};
715 
716 	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
717 }
718 
719 static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list)
720 {
721 	return snd_mbox1_switch_update(list->mixer, list->kctl->private_value);
722 }
723 
724 static struct snd_kcontrol_new snd_mbox1_switch = {
725 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
726 	.name = "Clock Source",
727 	.index = 0,
728 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
729 	.info = snd_mbox1_switch_info,
730 	.get = snd_mbox1_switch_get,
731 	.put = snd_mbox1_switch_put,
732 	.private_value = 0
733 };
734 
735 static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer)
736 {
737 	return add_single_ctl_with_resume(mixer, 0,
738 					  snd_mbox1_switch_resume,
739 					  &snd_mbox1_switch, NULL);
740 }
741 
742 /* Native Instruments device quirks */
743 
744 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
745 
746 static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
747 				   struct snd_kcontrol *kctl)
748 {
749 	struct usb_device *dev = mixer->chip->dev;
750 	unsigned int pval = kctl->private_value;
751 	u8 value;
752 	int err;
753 
754 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
755 			      (pval >> 16) & 0xff,
756 			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
757 			      0, pval & 0xffff, &value, 1);
758 	if (err < 0) {
759 		dev_err(&dev->dev,
760 			"unable to issue vendor read request (ret = %d)", err);
761 		return err;
762 	}
763 
764 	kctl->private_value |= (value << 24);
765 	return 0;
766 }
767 
768 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
769 					     struct snd_ctl_elem_value *ucontrol)
770 {
771 	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
772 	return 0;
773 }
774 
775 static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
776 {
777 	struct snd_usb_audio *chip = list->mixer->chip;
778 	unsigned int pval = list->kctl->private_value;
779 	int err;
780 
781 	down_read(&chip->shutdown_rwsem);
782 	if (chip->shutdown)
783 		err = -ENODEV;
784 	else
785 		err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
786 				      (pval >> 16) & 0xff,
787 				      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
788 				      pval >> 24, pval & 0xffff, NULL, 0, 1000);
789 	up_read(&chip->shutdown_rwsem);
790 	return err;
791 }
792 
793 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
794 					     struct snd_ctl_elem_value *ucontrol)
795 {
796 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
797 	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
798 	u8 newval = ucontrol->value.integer.value[0];
799 	int err;
800 
801 	if (oldval == newval)
802 		return 0;
803 
804 	kcontrol->private_value &= ~(0xff << 24);
805 	kcontrol->private_value |= newval;
806 	err = snd_ni_update_cur_val(list);
807 	return err < 0 ? err : 1;
808 }
809 
810 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
811 	{
812 		.name = "Direct Thru Channel A",
813 		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
814 	},
815 	{
816 		.name = "Direct Thru Channel B",
817 		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
818 	},
819 	{
820 		.name = "Phono Input Channel A",
821 		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
822 	},
823 	{
824 		.name = "Phono Input Channel B",
825 		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
826 	},
827 };
828 
829 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
830 	{
831 		.name = "Direct Thru Channel A",
832 		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
833 	},
834 	{
835 		.name = "Direct Thru Channel B",
836 		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
837 	},
838 	{
839 		.name = "Direct Thru Channel C",
840 		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
841 	},
842 	{
843 		.name = "Direct Thru Channel D",
844 		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
845 	},
846 	{
847 		.name = "Phono Input Channel A",
848 		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
849 	},
850 	{
851 		.name = "Phono Input Channel B",
852 		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
853 	},
854 	{
855 		.name = "Phono Input Channel C",
856 		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
857 	},
858 	{
859 		.name = "Phono Input Channel D",
860 		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
861 	},
862 };
863 
864 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
865 					      const struct snd_kcontrol_new *kc,
866 					      unsigned int count)
867 {
868 	int i, err = 0;
869 	struct snd_kcontrol_new template = {
870 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
871 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
872 		.get = snd_nativeinstruments_control_get,
873 		.put = snd_nativeinstruments_control_put,
874 		.info = snd_ctl_boolean_mono_info,
875 	};
876 
877 	for (i = 0; i < count; i++) {
878 		struct usb_mixer_elem_list *list;
879 
880 		template.name = kc[i].name;
881 		template.private_value = kc[i].private_value;
882 
883 		err = add_single_ctl_with_resume(mixer, 0,
884 						 snd_ni_update_cur_val,
885 						 &template, &list);
886 		if (err < 0)
887 			break;
888 		snd_ni_control_init_val(mixer, list->kctl);
889 	}
890 
891 	return err;
892 }
893 
894 /* M-Audio FastTrack Ultra quirks */
895 /* FTU Effect switch (also used by C400/C600) */
896 static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
897 					struct snd_ctl_elem_info *uinfo)
898 {
899 	static const char *const texts[8] = {
900 		"Room 1", "Room 2", "Room 3", "Hall 1",
901 		"Hall 2", "Plate", "Delay", "Echo"
902 	};
903 
904 	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
905 }
906 
907 static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
908 				   struct snd_kcontrol *kctl)
909 {
910 	struct usb_device *dev = mixer->chip->dev;
911 	unsigned int pval = kctl->private_value;
912 	int err;
913 	unsigned char value[2];
914 
915 	value[0] = 0x00;
916 	value[1] = 0x00;
917 
918 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
919 			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
920 			      pval & 0xff00,
921 			      snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
922 			      value, 2);
923 	if (err < 0)
924 		return err;
925 
926 	kctl->private_value |= value[0] << 24;
927 	return 0;
928 }
929 
930 static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
931 					struct snd_ctl_elem_value *ucontrol)
932 {
933 	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
934 	return 0;
935 }
936 
937 static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
938 {
939 	struct snd_usb_audio *chip = list->mixer->chip;
940 	unsigned int pval = list->kctl->private_value;
941 	unsigned char value[2];
942 	int err;
943 
944 	value[0] = pval >> 24;
945 	value[1] = 0;
946 
947 	down_read(&chip->shutdown_rwsem);
948 	if (chip->shutdown)
949 		err = -ENODEV;
950 	else
951 		err = snd_usb_ctl_msg(chip->dev,
952 				      usb_sndctrlpipe(chip->dev, 0),
953 				      UAC_SET_CUR,
954 				      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
955 				      pval & 0xff00,
956 				      snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
957 				      value, 2);
958 	up_read(&chip->shutdown_rwsem);
959 	return err;
960 }
961 
962 static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
963 					struct snd_ctl_elem_value *ucontrol)
964 {
965 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
966 	unsigned int pval = list->kctl->private_value;
967 	int cur_val, err, new_val;
968 
969 	cur_val = pval >> 24;
970 	new_val = ucontrol->value.enumerated.item[0];
971 	if (cur_val == new_val)
972 		return 0;
973 
974 	kctl->private_value &= ~(0xff << 24);
975 	kctl->private_value |= new_val << 24;
976 	err = snd_ftu_eff_switch_update(list);
977 	return err < 0 ? err : 1;
978 }
979 
980 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
981 	int validx, int bUnitID)
982 {
983 	static struct snd_kcontrol_new template = {
984 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
985 		.name = "Effect Program Switch",
986 		.index = 0,
987 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
988 		.info = snd_ftu_eff_switch_info,
989 		.get = snd_ftu_eff_switch_get,
990 		.put = snd_ftu_eff_switch_put
991 	};
992 	struct usb_mixer_elem_list *list;
993 	int err;
994 
995 	err = add_single_ctl_with_resume(mixer, bUnitID,
996 					 snd_ftu_eff_switch_update,
997 					 &template, &list);
998 	if (err < 0)
999 		return err;
1000 	list->kctl->private_value = (validx << 8) | bUnitID;
1001 	snd_ftu_eff_switch_init(mixer, list->kctl);
1002 	return 0;
1003 }
1004 
1005 /* Create volume controls for FTU devices*/
1006 static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
1007 {
1008 	char name[64];
1009 	unsigned int control, cmask;
1010 	int in, out, err;
1011 
1012 	const unsigned int id = 5;
1013 	const int val_type = USB_MIXER_S16;
1014 
1015 	for (out = 0; out < 8; out++) {
1016 		control = out + 1;
1017 		for (in = 0; in < 8; in++) {
1018 			cmask = 1 << in;
1019 			snprintf(name, sizeof(name),
1020 				"AIn%d - Out%d Capture Volume",
1021 				in  + 1, out + 1);
1022 			err = snd_create_std_mono_ctl(mixer, id, control,
1023 							cmask, val_type, name,
1024 							&snd_usb_mixer_vol_tlv);
1025 			if (err < 0)
1026 				return err;
1027 		}
1028 		for (in = 8; in < 16; in++) {
1029 			cmask = 1 << in;
1030 			snprintf(name, sizeof(name),
1031 				"DIn%d - Out%d Playback Volume",
1032 				in - 7, out + 1);
1033 			err = snd_create_std_mono_ctl(mixer, id, control,
1034 							cmask, val_type, name,
1035 							&snd_usb_mixer_vol_tlv);
1036 			if (err < 0)
1037 				return err;
1038 		}
1039 	}
1040 
1041 	return 0;
1042 }
1043 
1044 /* This control needs a volume quirk, see mixer.c */
1045 static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1046 {
1047 	static const char name[] = "Effect Volume";
1048 	const unsigned int id = 6;
1049 	const int val_type = USB_MIXER_U8;
1050 	const unsigned int control = 2;
1051 	const unsigned int cmask = 0;
1052 
1053 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1054 					name, snd_usb_mixer_vol_tlv);
1055 }
1056 
1057 /* This control needs a volume quirk, see mixer.c */
1058 static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1059 {
1060 	static const char name[] = "Effect Duration";
1061 	const unsigned int id = 6;
1062 	const int val_type = USB_MIXER_S16;
1063 	const unsigned int control = 3;
1064 	const unsigned int cmask = 0;
1065 
1066 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1067 					name, snd_usb_mixer_vol_tlv);
1068 }
1069 
1070 /* This control needs a volume quirk, see mixer.c */
1071 static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1072 {
1073 	static const char name[] = "Effect Feedback Volume";
1074 	const unsigned int id = 6;
1075 	const int val_type = USB_MIXER_U8;
1076 	const unsigned int control = 4;
1077 	const unsigned int cmask = 0;
1078 
1079 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1080 					name, NULL);
1081 }
1082 
1083 static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1084 {
1085 	unsigned int cmask;
1086 	int err, ch;
1087 	char name[48];
1088 
1089 	const unsigned int id = 7;
1090 	const int val_type = USB_MIXER_S16;
1091 	const unsigned int control = 7;
1092 
1093 	for (ch = 0; ch < 4; ++ch) {
1094 		cmask = 1 << ch;
1095 		snprintf(name, sizeof(name),
1096 			"Effect Return %d Volume", ch + 1);
1097 		err = snd_create_std_mono_ctl(mixer, id, control,
1098 						cmask, val_type, name,
1099 						snd_usb_mixer_vol_tlv);
1100 		if (err < 0)
1101 			return err;
1102 	}
1103 
1104 	return 0;
1105 }
1106 
1107 static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1108 {
1109 	unsigned int  cmask;
1110 	int err, ch;
1111 	char name[48];
1112 
1113 	const unsigned int id = 5;
1114 	const int val_type = USB_MIXER_S16;
1115 	const unsigned int control = 9;
1116 
1117 	for (ch = 0; ch < 8; ++ch) {
1118 		cmask = 1 << ch;
1119 		snprintf(name, sizeof(name),
1120 			"Effect Send AIn%d Volume", ch + 1);
1121 		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1122 						val_type, name,
1123 						snd_usb_mixer_vol_tlv);
1124 		if (err < 0)
1125 			return err;
1126 	}
1127 	for (ch = 8; ch < 16; ++ch) {
1128 		cmask = 1 << ch;
1129 		snprintf(name, sizeof(name),
1130 			"Effect Send DIn%d Volume", ch - 7);
1131 		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1132 						val_type, name,
1133 						snd_usb_mixer_vol_tlv);
1134 		if (err < 0)
1135 			return err;
1136 	}
1137 	return 0;
1138 }
1139 
1140 static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1141 {
1142 	int err;
1143 
1144 	err = snd_ftu_create_volume_ctls(mixer);
1145 	if (err < 0)
1146 		return err;
1147 
1148 	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1149 	if (err < 0)
1150 		return err;
1151 
1152 	err = snd_ftu_create_effect_volume_ctl(mixer);
1153 	if (err < 0)
1154 		return err;
1155 
1156 	err = snd_ftu_create_effect_duration_ctl(mixer);
1157 	if (err < 0)
1158 		return err;
1159 
1160 	err = snd_ftu_create_effect_feedback_ctl(mixer);
1161 	if (err < 0)
1162 		return err;
1163 
1164 	err = snd_ftu_create_effect_return_ctls(mixer);
1165 	if (err < 0)
1166 		return err;
1167 
1168 	err = snd_ftu_create_effect_send_ctls(mixer);
1169 	if (err < 0)
1170 		return err;
1171 
1172 	return 0;
1173 }
1174 
1175 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1176 			       unsigned char samplerate_id)
1177 {
1178 	struct usb_mixer_interface *mixer;
1179 	struct usb_mixer_elem_info *cval;
1180 	int unitid = 12; /* SamleRate ExtensionUnit ID */
1181 
1182 	list_for_each_entry(mixer, &chip->mixer_list, list) {
1183 		cval = (struct usb_mixer_elem_info *)mixer->id_elems[unitid];
1184 		if (cval) {
1185 			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1186 						    cval->control << 8,
1187 						    samplerate_id);
1188 			snd_usb_mixer_notify_id(mixer, unitid);
1189 		}
1190 		break;
1191 	}
1192 }
1193 
1194 /* M-Audio Fast Track C400/C600 */
1195 /* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1196 static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1197 {
1198 	char name[64];
1199 	unsigned int cmask, offset;
1200 	int out, chan, err;
1201 	int num_outs = 0;
1202 	int num_ins = 0;
1203 
1204 	const unsigned int id = 0x40;
1205 	const int val_type = USB_MIXER_S16;
1206 	const int control = 1;
1207 
1208 	switch (mixer->chip->usb_id) {
1209 	case USB_ID(0x0763, 0x2030):
1210 		num_outs = 6;
1211 		num_ins = 4;
1212 		break;
1213 	case USB_ID(0x0763, 0x2031):
1214 		num_outs = 8;
1215 		num_ins = 6;
1216 		break;
1217 	}
1218 
1219 	for (chan = 0; chan < num_outs + num_ins; chan++) {
1220 		for (out = 0; out < num_outs; out++) {
1221 			if (chan < num_outs) {
1222 				snprintf(name, sizeof(name),
1223 					"PCM%d-Out%d Playback Volume",
1224 					chan + 1, out + 1);
1225 			} else {
1226 				snprintf(name, sizeof(name),
1227 					"In%d-Out%d Playback Volume",
1228 					chan - num_outs + 1, out + 1);
1229 			}
1230 
1231 			cmask = (out == 0) ? 0 : 1 << (out - 1);
1232 			offset = chan * num_outs;
1233 			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1234 						cmask, val_type, offset, name,
1235 						&snd_usb_mixer_vol_tlv);
1236 			if (err < 0)
1237 				return err;
1238 		}
1239 	}
1240 
1241 	return 0;
1242 }
1243 
1244 /* This control needs a volume quirk, see mixer.c */
1245 static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1246 {
1247 	static const char name[] = "Effect Volume";
1248 	const unsigned int id = 0x43;
1249 	const int val_type = USB_MIXER_U8;
1250 	const unsigned int control = 3;
1251 	const unsigned int cmask = 0;
1252 
1253 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1254 					name, snd_usb_mixer_vol_tlv);
1255 }
1256 
1257 /* This control needs a volume quirk, see mixer.c */
1258 static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1259 {
1260 	static const char name[] = "Effect Duration";
1261 	const unsigned int id = 0x43;
1262 	const int val_type = USB_MIXER_S16;
1263 	const unsigned int control = 4;
1264 	const unsigned int cmask = 0;
1265 
1266 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1267 					name, snd_usb_mixer_vol_tlv);
1268 }
1269 
1270 /* This control needs a volume quirk, see mixer.c */
1271 static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1272 {
1273 	static const char name[] = "Effect Feedback Volume";
1274 	const unsigned int id = 0x43;
1275 	const int val_type = USB_MIXER_U8;
1276 	const unsigned int control = 5;
1277 	const unsigned int cmask = 0;
1278 
1279 	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1280 					name, NULL);
1281 }
1282 
1283 static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1284 {
1285 	char name[64];
1286 	unsigned int cmask;
1287 	int chan, err;
1288 	int num_outs = 0;
1289 	int num_ins = 0;
1290 
1291 	const unsigned int id = 0x42;
1292 	const int val_type = USB_MIXER_S16;
1293 	const int control = 1;
1294 
1295 	switch (mixer->chip->usb_id) {
1296 	case USB_ID(0x0763, 0x2030):
1297 		num_outs = 6;
1298 		num_ins = 4;
1299 		break;
1300 	case USB_ID(0x0763, 0x2031):
1301 		num_outs = 8;
1302 		num_ins = 6;
1303 		break;
1304 	}
1305 
1306 	for (chan = 0; chan < num_outs + num_ins; chan++) {
1307 		if (chan < num_outs) {
1308 			snprintf(name, sizeof(name),
1309 				"Effect Send DOut%d",
1310 				chan + 1);
1311 		} else {
1312 			snprintf(name, sizeof(name),
1313 				"Effect Send AIn%d",
1314 				chan - num_outs + 1);
1315 		}
1316 
1317 		cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1318 		err = snd_create_std_mono_ctl(mixer, id, control,
1319 						cmask, val_type, name,
1320 						&snd_usb_mixer_vol_tlv);
1321 		if (err < 0)
1322 			return err;
1323 	}
1324 
1325 	return 0;
1326 }
1327 
1328 static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1329 {
1330 	char name[64];
1331 	unsigned int cmask;
1332 	int chan, err;
1333 	int num_outs = 0;
1334 	int offset = 0;
1335 
1336 	const unsigned int id = 0x40;
1337 	const int val_type = USB_MIXER_S16;
1338 	const int control = 1;
1339 
1340 	switch (mixer->chip->usb_id) {
1341 	case USB_ID(0x0763, 0x2030):
1342 		num_outs = 6;
1343 		offset = 0x3c;
1344 		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1345 		break;
1346 	case USB_ID(0x0763, 0x2031):
1347 		num_outs = 8;
1348 		offset = 0x70;
1349 		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1350 		break;
1351 	}
1352 
1353 	for (chan = 0; chan < num_outs; chan++) {
1354 		snprintf(name, sizeof(name),
1355 			"Effect Return %d",
1356 			chan + 1);
1357 
1358 		cmask = (chan == 0) ? 0 :
1359 			1 << (chan + (chan % 2) * num_outs - 1);
1360 		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1361 						cmask, val_type, offset, name,
1362 						&snd_usb_mixer_vol_tlv);
1363 		if (err < 0)
1364 			return err;
1365 	}
1366 
1367 	return 0;
1368 }
1369 
1370 static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1371 {
1372 	int err;
1373 
1374 	err = snd_c400_create_vol_ctls(mixer);
1375 	if (err < 0)
1376 		return err;
1377 
1378 	err = snd_c400_create_effect_vol_ctls(mixer);
1379 	if (err < 0)
1380 		return err;
1381 
1382 	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1383 	if (err < 0)
1384 		return err;
1385 
1386 	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1387 	if (err < 0)
1388 		return err;
1389 
1390 	err = snd_c400_create_effect_volume_ctl(mixer);
1391 	if (err < 0)
1392 		return err;
1393 
1394 	err = snd_c400_create_effect_duration_ctl(mixer);
1395 	if (err < 0)
1396 		return err;
1397 
1398 	err = snd_c400_create_effect_feedback_ctl(mixer);
1399 	if (err < 0)
1400 		return err;
1401 
1402 	return 0;
1403 }
1404 
1405 /*
1406  * The mixer units for Ebox-44 are corrupt, and even where they
1407  * are valid they presents mono controls as L and R channels of
1408  * stereo. So we provide a good mixer here.
1409  */
1410 static struct std_mono_table ebox44_table[] = {
1411 	{
1412 		.unitid = 4,
1413 		.control = 1,
1414 		.cmask = 0x0,
1415 		.val_type = USB_MIXER_INV_BOOLEAN,
1416 		.name = "Headphone Playback Switch"
1417 	},
1418 	{
1419 		.unitid = 4,
1420 		.control = 2,
1421 		.cmask = 0x1,
1422 		.val_type = USB_MIXER_S16,
1423 		.name = "Headphone A Mix Playback Volume"
1424 	},
1425 	{
1426 		.unitid = 4,
1427 		.control = 2,
1428 		.cmask = 0x2,
1429 		.val_type = USB_MIXER_S16,
1430 		.name = "Headphone B Mix Playback Volume"
1431 	},
1432 
1433 	{
1434 		.unitid = 7,
1435 		.control = 1,
1436 		.cmask = 0x0,
1437 		.val_type = USB_MIXER_INV_BOOLEAN,
1438 		.name = "Output Playback Switch"
1439 	},
1440 	{
1441 		.unitid = 7,
1442 		.control = 2,
1443 		.cmask = 0x1,
1444 		.val_type = USB_MIXER_S16,
1445 		.name = "Output A Playback Volume"
1446 	},
1447 	{
1448 		.unitid = 7,
1449 		.control = 2,
1450 		.cmask = 0x2,
1451 		.val_type = USB_MIXER_S16,
1452 		.name = "Output B Playback Volume"
1453 	},
1454 
1455 	{
1456 		.unitid = 10,
1457 		.control = 1,
1458 		.cmask = 0x0,
1459 		.val_type = USB_MIXER_INV_BOOLEAN,
1460 		.name = "Input Capture Switch"
1461 	},
1462 	{
1463 		.unitid = 10,
1464 		.control = 2,
1465 		.cmask = 0x1,
1466 		.val_type = USB_MIXER_S16,
1467 		.name = "Input A Capture Volume"
1468 	},
1469 	{
1470 		.unitid = 10,
1471 		.control = 2,
1472 		.cmask = 0x2,
1473 		.val_type = USB_MIXER_S16,
1474 		.name = "Input B Capture Volume"
1475 	},
1476 
1477 	{}
1478 };
1479 
1480 /* Audio Advantage Micro II findings:
1481  *
1482  * Mapping spdif AES bits to vendor register.bit:
1483  * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1484  * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1485  * AES2: [0 0 0 0 0 0 0 0]
1486  * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1487  *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1488  *
1489  * power on values:
1490  * r2: 0x10
1491  * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1492  *           just after it to 0xa0, presumably it disables/mutes some analog
1493  *           parts when there is no audio.)
1494  * r9: 0x28
1495  *
1496  * Optical transmitter on/off:
1497  * vendor register.bit: 9.1
1498  * 0 - on (0x28 register value)
1499  * 1 - off (0x2a register value)
1500  *
1501  */
1502 static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1503 	struct snd_ctl_elem_info *uinfo)
1504 {
1505 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1506 	uinfo->count = 1;
1507 	return 0;
1508 }
1509 
1510 static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1511 	struct snd_ctl_elem_value *ucontrol)
1512 {
1513 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1514 	struct snd_usb_audio *chip = list->mixer->chip;
1515 	int err;
1516 	struct usb_interface *iface;
1517 	struct usb_host_interface *alts;
1518 	unsigned int ep;
1519 	unsigned char data[3];
1520 	int rate;
1521 
1522 	down_read(&chip->shutdown_rwsem);
1523 	if (chip->shutdown) {
1524 		err = -ENODEV;
1525 		goto end;
1526 	}
1527 
1528 	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1529 	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1530 	ucontrol->value.iec958.status[2] = 0x00;
1531 
1532 	/* use known values for that card: interface#1 altsetting#1 */
1533 	iface = usb_ifnum_to_if(chip->dev, 1);
1534 	alts = &iface->altsetting[1];
1535 	ep = get_endpoint(alts, 0)->bEndpointAddress;
1536 
1537 	err = snd_usb_ctl_msg(chip->dev,
1538 			usb_rcvctrlpipe(chip->dev, 0),
1539 			UAC_GET_CUR,
1540 			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1541 			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1542 			ep,
1543 			data,
1544 			sizeof(data));
1545 	if (err < 0)
1546 		goto end;
1547 
1548 	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1549 	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1550 			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1551 
1552 	err = 0;
1553  end:
1554 	up_read(&chip->shutdown_rwsem);
1555 	return err;
1556 }
1557 
1558 static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1559 {
1560 	struct snd_usb_audio *chip = list->mixer->chip;
1561 	unsigned int pval = list->kctl->private_value;
1562 	u8 reg;
1563 	int err;
1564 
1565 	down_read(&chip->shutdown_rwsem);
1566 	if (chip->shutdown) {
1567 		err = -ENODEV;
1568 		goto end;
1569 	}
1570 
1571 	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1572 	err = snd_usb_ctl_msg(chip->dev,
1573 			usb_sndctrlpipe(chip->dev, 0),
1574 			UAC_SET_CUR,
1575 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1576 			reg,
1577 			2,
1578 			NULL,
1579 			0);
1580 	if (err < 0)
1581 		goto end;
1582 
1583 	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1584 	reg |= (pval >> 12) & 0x0f;
1585 	err = snd_usb_ctl_msg(chip->dev,
1586 			usb_sndctrlpipe(chip->dev, 0),
1587 			UAC_SET_CUR,
1588 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1589 			reg,
1590 			3,
1591 			NULL,
1592 			0);
1593 	if (err < 0)
1594 		goto end;
1595 
1596  end:
1597 	up_read(&chip->shutdown_rwsem);
1598 	return err;
1599 }
1600 
1601 static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1602 	struct snd_ctl_elem_value *ucontrol)
1603 {
1604 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1605 	unsigned int pval, pval_old;
1606 	int err;
1607 
1608 	pval = pval_old = kcontrol->private_value;
1609 	pval &= 0xfffff0f0;
1610 	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1611 	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1612 
1613 	pval &= 0xffff0fff;
1614 	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1615 
1616 	/* The frequency bits in AES3 cannot be set via register access. */
1617 
1618 	/* Silently ignore any bits from the request that cannot be set. */
1619 
1620 	if (pval == pval_old)
1621 		return 0;
1622 
1623 	kcontrol->private_value = pval;
1624 	err = snd_microii_spdif_default_update(list);
1625 	return err < 0 ? err : 1;
1626 }
1627 
1628 static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1629 	struct snd_ctl_elem_value *ucontrol)
1630 {
1631 	ucontrol->value.iec958.status[0] = 0x0f;
1632 	ucontrol->value.iec958.status[1] = 0xff;
1633 	ucontrol->value.iec958.status[2] = 0x00;
1634 	ucontrol->value.iec958.status[3] = 0x00;
1635 
1636 	return 0;
1637 }
1638 
1639 static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1640 	struct snd_ctl_elem_value *ucontrol)
1641 {
1642 	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1643 
1644 	return 0;
1645 }
1646 
1647 static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1648 {
1649 	struct snd_usb_audio *chip = list->mixer->chip;
1650 	u8 reg = list->kctl->private_value;
1651 	int err;
1652 
1653 	down_read(&chip->shutdown_rwsem);
1654 	if (chip->shutdown) {
1655 		err = -ENODEV;
1656 		goto end;
1657 	}
1658 
1659 	err = snd_usb_ctl_msg(chip->dev,
1660 			usb_sndctrlpipe(chip->dev, 0),
1661 			UAC_SET_CUR,
1662 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1663 			reg,
1664 			9,
1665 			NULL,
1666 			0);
1667 
1668  end:
1669 	up_read(&chip->shutdown_rwsem);
1670 	return err;
1671 }
1672 
1673 static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1674 	struct snd_ctl_elem_value *ucontrol)
1675 {
1676 	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1677 	u8 reg;
1678 	int err;
1679 
1680 	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1681 	if (reg != list->kctl->private_value)
1682 		return 0;
1683 
1684 	kcontrol->private_value = reg;
1685 	err = snd_microii_spdif_switch_update(list);
1686 	return err < 0 ? err : 1;
1687 }
1688 
1689 static struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1690 	{
1691 		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1692 		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1693 		.info =     snd_microii_spdif_info,
1694 		.get =      snd_microii_spdif_default_get,
1695 		.put =      snd_microii_spdif_default_put,
1696 		.private_value = 0x00000100UL,/* reset value */
1697 	},
1698 	{
1699 		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1700 		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1701 		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1702 		.info =     snd_microii_spdif_info,
1703 		.get =      snd_microii_spdif_mask_get,
1704 	},
1705 	{
1706 		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1707 		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1708 		.info =     snd_ctl_boolean_mono_info,
1709 		.get =      snd_microii_spdif_switch_get,
1710 		.put =      snd_microii_spdif_switch_put,
1711 		.private_value = 0x00000028UL,/* reset value */
1712 	}
1713 };
1714 
1715 static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1716 {
1717 	int err, i;
1718 	static usb_mixer_elem_resume_func_t resume_funcs[] = {
1719 		snd_microii_spdif_default_update,
1720 		NULL,
1721 		snd_microii_spdif_switch_update
1722 	};
1723 
1724 	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1725 		err = add_single_ctl_with_resume(mixer, 0,
1726 						 resume_funcs[i],
1727 						 &snd_microii_mixer_spdif[i],
1728 						 NULL);
1729 		if (err < 0)
1730 			return err;
1731 	}
1732 
1733 	return 0;
1734 }
1735 
1736 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1737 {
1738 	int err = 0;
1739 	struct snd_info_entry *entry;
1740 
1741 	if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
1742 		return err;
1743 
1744 	switch (mixer->chip->usb_id) {
1745 	case USB_ID(0x041e, 0x3020):
1746 	case USB_ID(0x041e, 0x3040):
1747 	case USB_ID(0x041e, 0x3042):
1748 	case USB_ID(0x041e, 0x30df):
1749 	case USB_ID(0x041e, 0x3048):
1750 		err = snd_audigy2nx_controls_create(mixer);
1751 		if (err < 0)
1752 			break;
1753 		if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1754 			snd_info_set_text_ops(entry, mixer,
1755 					      snd_audigy2nx_proc_read);
1756 		break;
1757 
1758 	/* EMU0204 */
1759 	case USB_ID(0x041e, 0x3f19):
1760 		err = snd_emu0204_controls_create(mixer);
1761 		if (err < 0)
1762 			break;
1763 		break;
1764 
1765 	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
1766 	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
1767 		err = snd_c400_create_mixer(mixer);
1768 		break;
1769 
1770 	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1771 	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1772 		err = snd_ftu_create_mixer(mixer);
1773 		break;
1774 
1775 	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
1776 	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
1777 	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
1778 		err = snd_xonar_u1_controls_create(mixer);
1779 		break;
1780 
1781 	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
1782 		err = snd_microii_controls_create(mixer);
1783 		break;
1784 
1785 	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
1786 		err = snd_mbox1_create_sync_switch(mixer);
1787 		break;
1788 
1789 	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1790 		err = snd_nativeinstruments_create_mixer(mixer,
1791 				snd_nativeinstruments_ta6_mixers,
1792 				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1793 		break;
1794 
1795 	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1796 		err = snd_nativeinstruments_create_mixer(mixer,
1797 				snd_nativeinstruments_ta10_mixers,
1798 				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1799 		break;
1800 
1801 	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1802 		/* detection is disabled in mixer_maps.c */
1803 		err = snd_create_std_mono_table(mixer, ebox44_table);
1804 		break;
1805 
1806 	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
1807 	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
1808 	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
1809 	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
1810 	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
1811 		err = snd_scarlett_controls_create(mixer);
1812 		break;
1813 	}
1814 
1815 	return err;
1816 }
1817 
1818 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1819 				    int unitid)
1820 {
1821 	if (!mixer->rc_cfg)
1822 		return;
1823 	/* unit ids specific to Extigy/Audigy 2 NX: */
1824 	switch (unitid) {
1825 	case 0: /* remote control */
1826 		mixer->rc_urb->dev = mixer->chip->dev;
1827 		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1828 		break;
1829 	case 4: /* digital in jack */
1830 	case 7: /* line in jacks */
1831 	case 19: /* speaker out jacks */
1832 	case 20: /* headphones out jack */
1833 		break;
1834 	/* live24ext: 4 = line-in jack */
1835 	case 3:	/* hp-out jack (may actuate Mute) */
1836 		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1837 		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1838 			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1839 		break;
1840 	default:
1841 		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
1842 		break;
1843 	}
1844 }
1845 
1846