1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *   USB Audio Driver for ALSA
4 *
5 *   Quirks and vendor-specific extensions for mixer interfaces
6 *
7 *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
8 *
9 *   Many codes borrowed from audio.c by
10 *	    Alan Cox (alan@lxorguk.ukuu.org.uk)
11 *	    Thomas Sailer (sailer@ife.ee.ethz.ch)
12 *
13 *   Audio Advantage Micro II support added by:
14 *	    Przemek Rudy (prudy1@o2.pl)
15 */
16
17#include <linux/hid.h>
18#include <linux/init.h>
19#include <linux/math64.h>
20#include <linux/slab.h>
21#include <linux/usb.h>
22#include <linux/usb/audio.h>
23
24#include <sound/asoundef.h>
25#include <sound/core.h>
26#include <sound/control.h>
27#include <sound/hwdep.h>
28#include <sound/info.h>
29#include <sound/tlv.h>
30
31#include "usbaudio.h"
32#include "mixer.h"
33#include "mixer_quirks.h"
34#include "mixer_scarlett.h"
35#include "mixer_scarlett_gen2.h"
36#include "mixer_us16x08.h"
37#include "mixer_s1810c.h"
38#include "helper.h"
39
40struct std_mono_table {
41	unsigned int unitid, control, cmask;
42	int val_type;
43	const char *name;
44	snd_kcontrol_tlv_rw_t *tlv_callback;
45};
46
47/* This function allows for the creation of standard UAC controls.
48 * See the quirks for M-Audio FTUs or Ebox-44.
49 * If you don't want to set a TLV callback pass NULL.
50 *
51 * Since there doesn't seem to be a devices that needs a multichannel
52 * version, we keep it mono for simplicity.
53 */
54static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
55				unsigned int unitid,
56				unsigned int control,
57				unsigned int cmask,
58				int val_type,
59				unsigned int idx_off,
60				const char *name,
61				snd_kcontrol_tlv_rw_t *tlv_callback)
62{
63	struct usb_mixer_elem_info *cval;
64	struct snd_kcontrol *kctl;
65
66	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
67	if (!cval)
68		return -ENOMEM;
69
70	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
71	cval->val_type = val_type;
72	cval->channels = 1;
73	cval->control = control;
74	cval->cmask = cmask;
75	cval->idx_off = idx_off;
76
77	/* get_min_max() is called only for integer volumes later,
78	 * so provide a short-cut for booleans */
79	cval->min = 0;
80	cval->max = 1;
81	cval->res = 0;
82	cval->dBmin = 0;
83	cval->dBmax = 0;
84
85	/* Create control */
86	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
87	if (!kctl) {
88		kfree(cval);
89		return -ENOMEM;
90	}
91
92	/* Set name */
93	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
94	kctl->private_free = snd_usb_mixer_elem_free;
95
96	/* set TLV */
97	if (tlv_callback) {
98		kctl->tlv.c = tlv_callback;
99		kctl->vd[0].access |=
100			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
101			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
102	}
103	/* Add control to mixer */
104	return snd_usb_mixer_add_control(&cval->head, kctl);
105}
106
107static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
108				unsigned int unitid,
109				unsigned int control,
110				unsigned int cmask,
111				int val_type,
112				const char *name,
113				snd_kcontrol_tlv_rw_t *tlv_callback)
114{
115	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
116		val_type, 0 /* Offset */, name, tlv_callback);
117}
118
119/*
120 * Create a set of standard UAC controls from a table
121 */
122static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
123				     const struct std_mono_table *t)
124{
125	int err;
126
127	while (t->name != NULL) {
128		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
129				t->cmask, t->val_type, t->name, t->tlv_callback);
130		if (err < 0)
131			return err;
132		t++;
133	}
134
135	return 0;
136}
137
138static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
139				      int id,
140				      usb_mixer_elem_resume_func_t resume,
141				      const struct snd_kcontrol_new *knew,
142				      struct usb_mixer_elem_list **listp)
143{
144	struct usb_mixer_elem_list *list;
145	struct snd_kcontrol *kctl;
146
147	list = kzalloc(sizeof(*list), GFP_KERNEL);
148	if (!list)
149		return -ENOMEM;
150	if (listp)
151		*listp = list;
152	list->mixer = mixer;
153	list->id = id;
154	list->resume = resume;
155	kctl = snd_ctl_new1(knew, list);
156	if (!kctl) {
157		kfree(list);
158		return -ENOMEM;
159	}
160	kctl->private_free = snd_usb_mixer_elem_free;
161	/* don't use snd_usb_mixer_add_control() here, this is a special list element */
162	return snd_usb_mixer_add_list(list, kctl, false);
163}
164
165/*
166 * Sound Blaster remote control configuration
167 *
168 * format of remote control data:
169 * Extigy:       xx 00
170 * Audigy 2 NX:  06 80 xx 00 00 00
171 * Live! 24-bit: 06 80 xx yy 22 83
172 */
173static const struct rc_config {
174	u32 usb_id;
175	u8  offset;
176	u8  length;
177	u8  packet_length;
178	u8  min_packet_length; /* minimum accepted length of the URB result */
179	u8  mute_mixer_id;
180	u32 mute_code;
181} rc_configs[] = {
182	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
183	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
184	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
185	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
186	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
187	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
188	{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
189	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
190};
191
192static void snd_usb_soundblaster_remote_complete(struct urb *urb)
193{
194	struct usb_mixer_interface *mixer = urb->context;
195	const struct rc_config *rc = mixer->rc_cfg;
196	u32 code;
197
198	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
199		return;
200
201	code = mixer->rc_buffer[rc->offset];
202	if (rc->length == 2)
203		code |= mixer->rc_buffer[rc->offset + 1] << 8;
204
205	/* the Mute button actually changes the mixer control */
206	if (code == rc->mute_code)
207		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
208	mixer->rc_code = code;
209	wmb();
210	wake_up(&mixer->rc_waitq);
211}
212
213static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
214				     long count, loff_t *offset)
215{
216	struct usb_mixer_interface *mixer = hw->private_data;
217	int err;
218	u32 rc_code;
219
220	if (count != 1 && count != 4)
221		return -EINVAL;
222	err = wait_event_interruptible(mixer->rc_waitq,
223				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
224	if (err == 0) {
225		if (count == 1)
226			err = put_user(rc_code, buf);
227		else
228			err = put_user(rc_code, (u32 __user *)buf);
229	}
230	return err < 0 ? err : count;
231}
232
233static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
234					    poll_table *wait)
235{
236	struct usb_mixer_interface *mixer = hw->private_data;
237
238	poll_wait(file, &mixer->rc_waitq, wait);
239	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
240}
241
242static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
243{
244	struct snd_hwdep *hwdep;
245	int err, len, i;
246
247	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
248		if (rc_configs[i].usb_id == mixer->chip->usb_id)
249			break;
250	if (i >= ARRAY_SIZE(rc_configs))
251		return 0;
252	mixer->rc_cfg = &rc_configs[i];
253
254	len = mixer->rc_cfg->packet_length;
255
256	init_waitqueue_head(&mixer->rc_waitq);
257	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
258	if (err < 0)
259		return err;
260	snprintf(hwdep->name, sizeof(hwdep->name),
261		 "%s remote control", mixer->chip->card->shortname);
262	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
263	hwdep->private_data = mixer;
264	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
265	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
266	hwdep->exclusive = 1;
267
268	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
269	if (!mixer->rc_urb)
270		return -ENOMEM;
271	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
272	if (!mixer->rc_setup_packet) {
273		usb_free_urb(mixer->rc_urb);
274		mixer->rc_urb = NULL;
275		return -ENOMEM;
276	}
277	mixer->rc_setup_packet->bRequestType =
278		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
279	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
280	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
281	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
282	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
283	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
284			     usb_rcvctrlpipe(mixer->chip->dev, 0),
285			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
286			     snd_usb_soundblaster_remote_complete, mixer);
287	return 0;
288}
289
290#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
291
292static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
293{
294	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
295	return 0;
296}
297
298static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
299				    int value, int index)
300{
301	struct snd_usb_audio *chip = mixer->chip;
302	int err;
303
304	err = snd_usb_lock_shutdown(chip);
305	if (err < 0)
306		return err;
307
308	if (chip->usb_id == USB_ID(0x041e, 0x3042))
309		err = snd_usb_ctl_msg(chip->dev,
310			      usb_sndctrlpipe(chip->dev, 0), 0x24,
311			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
312			      !value, 0, NULL, 0);
313	/* USB X-Fi S51 Pro */
314	if (chip->usb_id == USB_ID(0x041e, 0x30df))
315		err = snd_usb_ctl_msg(chip->dev,
316			      usb_sndctrlpipe(chip->dev, 0), 0x24,
317			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
318			      !value, 0, NULL, 0);
319	else
320		err = snd_usb_ctl_msg(chip->dev,
321			      usb_sndctrlpipe(chip->dev, 0), 0x24,
322			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
323			      value, index + 2, NULL, 0);
324	snd_usb_unlock_shutdown(chip);
325	return err;
326}
327
328static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
329				 struct snd_ctl_elem_value *ucontrol)
330{
331	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
332	struct usb_mixer_interface *mixer = list->mixer;
333	int index = kcontrol->private_value & 0xff;
334	unsigned int value = ucontrol->value.integer.value[0];
335	int old_value = kcontrol->private_value >> 8;
336	int err;
337
338	if (value > 1)
339		return -EINVAL;
340	if (value == old_value)
341		return 0;
342	kcontrol->private_value = (value << 8) | index;
343	err = snd_audigy2nx_led_update(mixer, value, index);
344	return err < 0 ? err : 1;
345}
346
347static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
348{
349	int priv_value = list->kctl->private_value;
350
351	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
352					priv_value & 0xff);
353}
354
355/* name and private_value are set dynamically */
356static const struct snd_kcontrol_new snd_audigy2nx_control = {
357	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
358	.info = snd_audigy2nx_led_info,
359	.get = snd_audigy2nx_led_get,
360	.put = snd_audigy2nx_led_put,
361};
362
363static const char * const snd_audigy2nx_led_names[] = {
364	"CMSS LED Switch",
365	"Power LED Switch",
366	"Dolby Digital LED Switch",
367};
368
369static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
370{
371	int i, err;
372
373	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
374		struct snd_kcontrol_new knew;
375
376		/* USB X-Fi S51 doesn't have a CMSS LED */
377		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
378			continue;
379		/* USB X-Fi S51 Pro doesn't have one either */
380		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
381			continue;
382		if (i > 1 && /* Live24ext has 2 LEDs only */
383			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
384			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
385			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
386			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
387			break;
388
389		knew = snd_audigy2nx_control;
390		knew.name = snd_audigy2nx_led_names[i];
391		knew.private_value = (1 << 8) | i; /* LED on as default */
392		err = add_single_ctl_with_resume(mixer, 0,
393						 snd_audigy2nx_led_resume,
394						 &knew, NULL);
395		if (err < 0)
396			return err;
397	}
398	return 0;
399}
400
401static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
402				    struct snd_info_buffer *buffer)
403{
404	static const struct sb_jack {
405		int unitid;
406		const char *name;
407	}  jacks_audigy2nx[] = {
408		{4,  "dig in "},
409		{7,  "line in"},
410		{19, "spk out"},
411		{20, "hph out"},
412		{-1, NULL}
413	}, jacks_live24ext[] = {
414		{4,  "line in"}, /* &1=Line, &2=Mic*/
415		{3,  "hph out"}, /* headphones */
416		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
417		{-1, NULL}
418	};
419	const struct sb_jack *jacks;
420	struct usb_mixer_interface *mixer = entry->private_data;
421	int i, err;
422	u8 buf[3];
423
424	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
425	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
426		jacks = jacks_audigy2nx;
427	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
428		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
429		jacks = jacks_live24ext;
430	else
431		return;
432
433	for (i = 0; jacks[i].name; ++i) {
434		snd_iprintf(buffer, "%s: ", jacks[i].name);
435		err = snd_usb_lock_shutdown(mixer->chip);
436		if (err < 0)
437			return;
438		err = snd_usb_ctl_msg(mixer->chip->dev,
439				      usb_rcvctrlpipe(mixer->chip->dev, 0),
440				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
441				      USB_RECIP_INTERFACE, 0,
442				      jacks[i].unitid << 8, buf, 3);
443		snd_usb_unlock_shutdown(mixer->chip);
444		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
445			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
446		else
447			snd_iprintf(buffer, "?\n");
448	}
449}
450
451/* EMU0204 */
452static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
453				      struct snd_ctl_elem_info *uinfo)
454{
455	static const char * const texts[2] = {"1/2", "3/4"};
456
457	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
458}
459
460static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
461				     struct snd_ctl_elem_value *ucontrol)
462{
463	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
464	return 0;
465}
466
467static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
468					int value)
469{
470	struct snd_usb_audio *chip = mixer->chip;
471	int err;
472	unsigned char buf[2];
473
474	err = snd_usb_lock_shutdown(chip);
475	if (err < 0)
476		return err;
477
478	buf[0] = 0x01;
479	buf[1] = value ? 0x02 : 0x01;
480	err = snd_usb_ctl_msg(chip->dev,
481		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
482		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
483		      0x0400, 0x0e00, buf, 2);
484	snd_usb_unlock_shutdown(chip);
485	return err;
486}
487
488static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
489				     struct snd_ctl_elem_value *ucontrol)
490{
491	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
492	struct usb_mixer_interface *mixer = list->mixer;
493	unsigned int value = ucontrol->value.enumerated.item[0];
494	int err;
495
496	if (value > 1)
497		return -EINVAL;
498
499	if (value == kcontrol->private_value)
500		return 0;
501
502	kcontrol->private_value = value;
503	err = snd_emu0204_ch_switch_update(mixer, value);
504	return err < 0 ? err : 1;
505}
506
507static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
508{
509	return snd_emu0204_ch_switch_update(list->mixer,
510					    list->kctl->private_value);
511}
512
513static const struct snd_kcontrol_new snd_emu0204_control = {
514	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
515	.name = "Front Jack Channels",
516	.info = snd_emu0204_ch_switch_info,
517	.get = snd_emu0204_ch_switch_get,
518	.put = snd_emu0204_ch_switch_put,
519	.private_value = 0,
520};
521
522static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
523{
524	return add_single_ctl_with_resume(mixer, 0,
525					  snd_emu0204_ch_switch_resume,
526					  &snd_emu0204_control, NULL);
527}
528
529/* ASUS Xonar U1 / U3 controls */
530
531static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
532				   struct snd_ctl_elem_value *ucontrol)
533{
534	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
535	return 0;
536}
537
538static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
539				      unsigned char status)
540{
541	struct snd_usb_audio *chip = mixer->chip;
542	int err;
543
544	err = snd_usb_lock_shutdown(chip);
545	if (err < 0)
546		return err;
547	err = snd_usb_ctl_msg(chip->dev,
548			      usb_sndctrlpipe(chip->dev, 0), 0x08,
549			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
550			      50, 0, &status, 1);
551	snd_usb_unlock_shutdown(chip);
552	return err;
553}
554
555static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
556				   struct snd_ctl_elem_value *ucontrol)
557{
558	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
559	u8 old_status, new_status;
560	int err;
561
562	old_status = kcontrol->private_value;
563	if (ucontrol->value.integer.value[0])
564		new_status = old_status | 0x02;
565	else
566		new_status = old_status & ~0x02;
567	if (new_status == old_status)
568		return 0;
569
570	kcontrol->private_value = new_status;
571	err = snd_xonar_u1_switch_update(list->mixer, new_status);
572	return err < 0 ? err : 1;
573}
574
575static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
576{
577	return snd_xonar_u1_switch_update(list->mixer,
578					  list->kctl->private_value);
579}
580
581static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
582	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
583	.name = "Digital Playback Switch",
584	.info = snd_ctl_boolean_mono_info,
585	.get = snd_xonar_u1_switch_get,
586	.put = snd_xonar_u1_switch_put,
587	.private_value = 0x05,
588};
589
590static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
591{
592	return add_single_ctl_with_resume(mixer, 0,
593					  snd_xonar_u1_switch_resume,
594					  &snd_xonar_u1_output_switch, NULL);
595}
596
597/* Digidesign Mbox 1 clock source switch (internal/spdif) */
598
599static int snd_mbox1_switch_get(struct snd_kcontrol *kctl,
600				struct snd_ctl_elem_value *ucontrol)
601{
602	ucontrol->value.enumerated.item[0] = kctl->private_value;
603	return 0;
604}
605
606static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val)
607{
608	struct snd_usb_audio *chip = mixer->chip;
609	int err;
610	unsigned char buff[3];
611
612	err = snd_usb_lock_shutdown(chip);
613	if (err < 0)
614		return err;
615
616	/* Prepare for magic command to toggle clock source */
617	err = snd_usb_ctl_msg(chip->dev,
618				usb_rcvctrlpipe(chip->dev, 0), 0x81,
619				USB_DIR_IN |
620				USB_TYPE_CLASS |
621				USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
622	if (err < 0)
623		goto err;
624	err = snd_usb_ctl_msg(chip->dev,
625				usb_rcvctrlpipe(chip->dev, 0), 0x81,
626				USB_DIR_IN |
627				USB_TYPE_CLASS |
628				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
629	if (err < 0)
630		goto err;
631
632	/* 2 possibilities:	Internal    -> send sample rate
633	 *			S/PDIF sync -> send zeroes
634	 * NB: Sample rate locked to 48kHz on purpose to
635	 *     prevent user from resetting the sample rate
636	 *     while S/PDIF sync is enabled and confusing
637	 *     this configuration.
638	 */
639	if (val == 0) {
640		buff[0] = 0x80;
641		buff[1] = 0xbb;
642		buff[2] = 0x00;
643	} else {
644		buff[0] = buff[1] = buff[2] = 0x00;
645	}
646
647	/* Send the magic command to toggle the clock source */
648	err = snd_usb_ctl_msg(chip->dev,
649				usb_sndctrlpipe(chip->dev, 0), 0x1,
650				USB_TYPE_CLASS |
651				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
652	if (err < 0)
653		goto err;
654	err = snd_usb_ctl_msg(chip->dev,
655				usb_rcvctrlpipe(chip->dev, 0), 0x81,
656				USB_DIR_IN |
657				USB_TYPE_CLASS |
658				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
659	if (err < 0)
660		goto err;
661	err = snd_usb_ctl_msg(chip->dev,
662				usb_rcvctrlpipe(chip->dev, 0), 0x81,
663				USB_DIR_IN |
664				USB_TYPE_CLASS |
665				USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3);
666	if (err < 0)
667		goto err;
668
669err:
670	snd_usb_unlock_shutdown(chip);
671	return err;
672}
673
674static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
675				struct snd_ctl_elem_value *ucontrol)
676{
677	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
678	struct usb_mixer_interface *mixer = list->mixer;
679	int err;
680	bool cur_val, new_val;
681
682	cur_val = kctl->private_value;
683	new_val = ucontrol->value.enumerated.item[0];
684	if (cur_val == new_val)
685		return 0;
686
687	kctl->private_value = new_val;
688	err = snd_mbox1_switch_update(mixer, new_val);
689	return err < 0 ? err : 1;
690}
691
692static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol,
693				 struct snd_ctl_elem_info *uinfo)
694{
695	static const char *const texts[2] = {
696		"Internal",
697		"S/PDIF"
698	};
699
700	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
701}
702
703static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list)
704{
705	return snd_mbox1_switch_update(list->mixer, list->kctl->private_value);
706}
707
708static const struct snd_kcontrol_new snd_mbox1_switch = {
709	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
710	.name = "Clock Source",
711	.index = 0,
712	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
713	.info = snd_mbox1_switch_info,
714	.get = snd_mbox1_switch_get,
715	.put = snd_mbox1_switch_put,
716	.private_value = 0
717};
718
719static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer)
720{
721	return add_single_ctl_with_resume(mixer, 0,
722					  snd_mbox1_switch_resume,
723					  &snd_mbox1_switch, NULL);
724}
725
726/* Native Instruments device quirks */
727
728#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
729
730static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
731				   struct snd_kcontrol *kctl)
732{
733	struct usb_device *dev = mixer->chip->dev;
734	unsigned int pval = kctl->private_value;
735	u8 value;
736	int err;
737
738	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
739			      (pval >> 16) & 0xff,
740			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
741			      0, pval & 0xffff, &value, 1);
742	if (err < 0) {
743		dev_err(&dev->dev,
744			"unable to issue vendor read request (ret = %d)", err);
745		return err;
746	}
747
748	kctl->private_value |= ((unsigned int)value << 24);
749	return 0;
750}
751
752static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
753					     struct snd_ctl_elem_value *ucontrol)
754{
755	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
756	return 0;
757}
758
759static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
760{
761	struct snd_usb_audio *chip = list->mixer->chip;
762	unsigned int pval = list->kctl->private_value;
763	int err;
764
765	err = snd_usb_lock_shutdown(chip);
766	if (err < 0)
767		return err;
768	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
769			      (pval >> 16) & 0xff,
770			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
771			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
772	snd_usb_unlock_shutdown(chip);
773	return err;
774}
775
776static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
777					     struct snd_ctl_elem_value *ucontrol)
778{
779	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
780	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
781	u8 newval = ucontrol->value.integer.value[0];
782	int err;
783
784	if (oldval == newval)
785		return 0;
786
787	kcontrol->private_value &= ~(0xff << 24);
788	kcontrol->private_value |= (unsigned int)newval << 24;
789	err = snd_ni_update_cur_val(list);
790	return err < 0 ? err : 1;
791}
792
793static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
794	{
795		.name = "Direct Thru Channel A",
796		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
797	},
798	{
799		.name = "Direct Thru Channel B",
800		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
801	},
802	{
803		.name = "Phono Input Channel A",
804		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
805	},
806	{
807		.name = "Phono Input Channel B",
808		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
809	},
810};
811
812static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
813	{
814		.name = "Direct Thru Channel A",
815		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
816	},
817	{
818		.name = "Direct Thru Channel B",
819		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
820	},
821	{
822		.name = "Direct Thru Channel C",
823		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
824	},
825	{
826		.name = "Direct Thru Channel D",
827		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
828	},
829	{
830		.name = "Phono Input Channel A",
831		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
832	},
833	{
834		.name = "Phono Input Channel B",
835		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
836	},
837	{
838		.name = "Phono Input Channel C",
839		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
840	},
841	{
842		.name = "Phono Input Channel D",
843		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
844	},
845};
846
847static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
848					      const struct snd_kcontrol_new *kc,
849					      unsigned int count)
850{
851	int i, err = 0;
852	struct snd_kcontrol_new template = {
853		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
854		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
855		.get = snd_nativeinstruments_control_get,
856		.put = snd_nativeinstruments_control_put,
857		.info = snd_ctl_boolean_mono_info,
858	};
859
860	for (i = 0; i < count; i++) {
861		struct usb_mixer_elem_list *list;
862
863		template.name = kc[i].name;
864		template.private_value = kc[i].private_value;
865
866		err = add_single_ctl_with_resume(mixer, 0,
867						 snd_ni_update_cur_val,
868						 &template, &list);
869		if (err < 0)
870			break;
871		snd_ni_control_init_val(mixer, list->kctl);
872	}
873
874	return err;
875}
876
877/* M-Audio FastTrack Ultra quirks */
878/* FTU Effect switch (also used by C400/C600) */
879static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
880					struct snd_ctl_elem_info *uinfo)
881{
882	static const char *const texts[8] = {
883		"Room 1", "Room 2", "Room 3", "Hall 1",
884		"Hall 2", "Plate", "Delay", "Echo"
885	};
886
887	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
888}
889
890static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
891				   struct snd_kcontrol *kctl)
892{
893	struct usb_device *dev = mixer->chip->dev;
894	unsigned int pval = kctl->private_value;
895	int err;
896	unsigned char value[2];
897
898	value[0] = 0x00;
899	value[1] = 0x00;
900
901	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
902			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
903			      pval & 0xff00,
904			      snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
905			      value, 2);
906	if (err < 0)
907		return err;
908
909	kctl->private_value |= (unsigned int)value[0] << 24;
910	return 0;
911}
912
913static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
914					struct snd_ctl_elem_value *ucontrol)
915{
916	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
917	return 0;
918}
919
920static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
921{
922	struct snd_usb_audio *chip = list->mixer->chip;
923	unsigned int pval = list->kctl->private_value;
924	unsigned char value[2];
925	int err;
926
927	value[0] = pval >> 24;
928	value[1] = 0;
929
930	err = snd_usb_lock_shutdown(chip);
931	if (err < 0)
932		return err;
933	err = snd_usb_ctl_msg(chip->dev,
934			      usb_sndctrlpipe(chip->dev, 0),
935			      UAC_SET_CUR,
936			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
937			      pval & 0xff00,
938			      snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
939			      value, 2);
940	snd_usb_unlock_shutdown(chip);
941	return err;
942}
943
944static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
945					struct snd_ctl_elem_value *ucontrol)
946{
947	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
948	unsigned int pval = list->kctl->private_value;
949	int cur_val, err, new_val;
950
951	cur_val = pval >> 24;
952	new_val = ucontrol->value.enumerated.item[0];
953	if (cur_val == new_val)
954		return 0;
955
956	kctl->private_value &= ~(0xff << 24);
957	kctl->private_value |= new_val << 24;
958	err = snd_ftu_eff_switch_update(list);
959	return err < 0 ? err : 1;
960}
961
962static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
963	int validx, int bUnitID)
964{
965	static struct snd_kcontrol_new template = {
966		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
967		.name = "Effect Program Switch",
968		.index = 0,
969		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
970		.info = snd_ftu_eff_switch_info,
971		.get = snd_ftu_eff_switch_get,
972		.put = snd_ftu_eff_switch_put
973	};
974	struct usb_mixer_elem_list *list;
975	int err;
976
977	err = add_single_ctl_with_resume(mixer, bUnitID,
978					 snd_ftu_eff_switch_update,
979					 &template, &list);
980	if (err < 0)
981		return err;
982	list->kctl->private_value = (validx << 8) | bUnitID;
983	snd_ftu_eff_switch_init(mixer, list->kctl);
984	return 0;
985}
986
987/* Create volume controls for FTU devices*/
988static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
989{
990	char name[64];
991	unsigned int control, cmask;
992	int in, out, err;
993
994	const unsigned int id = 5;
995	const int val_type = USB_MIXER_S16;
996
997	for (out = 0; out < 8; out++) {
998		control = out + 1;
999		for (in = 0; in < 8; in++) {
1000			cmask = 1 << in;
1001			snprintf(name, sizeof(name),
1002				"AIn%d - Out%d Capture Volume",
1003				in  + 1, out + 1);
1004			err = snd_create_std_mono_ctl(mixer, id, control,
1005							cmask, val_type, name,
1006							&snd_usb_mixer_vol_tlv);
1007			if (err < 0)
1008				return err;
1009		}
1010		for (in = 8; in < 16; in++) {
1011			cmask = 1 << in;
1012			snprintf(name, sizeof(name),
1013				"DIn%d - Out%d Playback Volume",
1014				in - 7, out + 1);
1015			err = snd_create_std_mono_ctl(mixer, id, control,
1016							cmask, val_type, name,
1017							&snd_usb_mixer_vol_tlv);
1018			if (err < 0)
1019				return err;
1020		}
1021	}
1022
1023	return 0;
1024}
1025
1026/* This control needs a volume quirk, see mixer.c */
1027static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1028{
1029	static const char name[] = "Effect Volume";
1030	const unsigned int id = 6;
1031	const int val_type = USB_MIXER_U8;
1032	const unsigned int control = 2;
1033	const unsigned int cmask = 0;
1034
1035	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1036					name, snd_usb_mixer_vol_tlv);
1037}
1038
1039/* This control needs a volume quirk, see mixer.c */
1040static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1041{
1042	static const char name[] = "Effect Duration";
1043	const unsigned int id = 6;
1044	const int val_type = USB_MIXER_S16;
1045	const unsigned int control = 3;
1046	const unsigned int cmask = 0;
1047
1048	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1049					name, snd_usb_mixer_vol_tlv);
1050}
1051
1052/* This control needs a volume quirk, see mixer.c */
1053static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1054{
1055	static const char name[] = "Effect Feedback Volume";
1056	const unsigned int id = 6;
1057	const int val_type = USB_MIXER_U8;
1058	const unsigned int control = 4;
1059	const unsigned int cmask = 0;
1060
1061	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1062					name, NULL);
1063}
1064
1065static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1066{
1067	unsigned int cmask;
1068	int err, ch;
1069	char name[48];
1070
1071	const unsigned int id = 7;
1072	const int val_type = USB_MIXER_S16;
1073	const unsigned int control = 7;
1074
1075	for (ch = 0; ch < 4; ++ch) {
1076		cmask = 1 << ch;
1077		snprintf(name, sizeof(name),
1078			"Effect Return %d Volume", ch + 1);
1079		err = snd_create_std_mono_ctl(mixer, id, control,
1080						cmask, val_type, name,
1081						snd_usb_mixer_vol_tlv);
1082		if (err < 0)
1083			return err;
1084	}
1085
1086	return 0;
1087}
1088
1089static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1090{
1091	unsigned int  cmask;
1092	int err, ch;
1093	char name[48];
1094
1095	const unsigned int id = 5;
1096	const int val_type = USB_MIXER_S16;
1097	const unsigned int control = 9;
1098
1099	for (ch = 0; ch < 8; ++ch) {
1100		cmask = 1 << ch;
1101		snprintf(name, sizeof(name),
1102			"Effect Send AIn%d Volume", ch + 1);
1103		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1104						val_type, name,
1105						snd_usb_mixer_vol_tlv);
1106		if (err < 0)
1107			return err;
1108	}
1109	for (ch = 8; ch < 16; ++ch) {
1110		cmask = 1 << ch;
1111		snprintf(name, sizeof(name),
1112			"Effect Send DIn%d Volume", ch - 7);
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	return 0;
1120}
1121
1122static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1123{
1124	int err;
1125
1126	err = snd_ftu_create_volume_ctls(mixer);
1127	if (err < 0)
1128		return err;
1129
1130	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1131	if (err < 0)
1132		return err;
1133
1134	err = snd_ftu_create_effect_volume_ctl(mixer);
1135	if (err < 0)
1136		return err;
1137
1138	err = snd_ftu_create_effect_duration_ctl(mixer);
1139	if (err < 0)
1140		return err;
1141
1142	err = snd_ftu_create_effect_feedback_ctl(mixer);
1143	if (err < 0)
1144		return err;
1145
1146	err = snd_ftu_create_effect_return_ctls(mixer);
1147	if (err < 0)
1148		return err;
1149
1150	err = snd_ftu_create_effect_send_ctls(mixer);
1151	if (err < 0)
1152		return err;
1153
1154	return 0;
1155}
1156
1157void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1158			       unsigned char samplerate_id)
1159{
1160	struct usb_mixer_interface *mixer;
1161	struct usb_mixer_elem_info *cval;
1162	int unitid = 12; /* SampleRate ExtensionUnit ID */
1163
1164	list_for_each_entry(mixer, &chip->mixer_list, list) {
1165		if (mixer->id_elems[unitid]) {
1166			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);
1167			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1168						    cval->control << 8,
1169						    samplerate_id);
1170			snd_usb_mixer_notify_id(mixer, unitid);
1171			break;
1172		}
1173	}
1174}
1175
1176/* M-Audio Fast Track C400/C600 */
1177/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1178static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1179{
1180	char name[64];
1181	unsigned int cmask, offset;
1182	int out, chan, err;
1183	int num_outs = 0;
1184	int num_ins = 0;
1185
1186	const unsigned int id = 0x40;
1187	const int val_type = USB_MIXER_S16;
1188	const int control = 1;
1189
1190	switch (mixer->chip->usb_id) {
1191	case USB_ID(0x0763, 0x2030):
1192		num_outs = 6;
1193		num_ins = 4;
1194		break;
1195	case USB_ID(0x0763, 0x2031):
1196		num_outs = 8;
1197		num_ins = 6;
1198		break;
1199	}
1200
1201	for (chan = 0; chan < num_outs + num_ins; chan++) {
1202		for (out = 0; out < num_outs; out++) {
1203			if (chan < num_outs) {
1204				snprintf(name, sizeof(name),
1205					"PCM%d-Out%d Playback Volume",
1206					chan + 1, out + 1);
1207			} else {
1208				snprintf(name, sizeof(name),
1209					"In%d-Out%d Playback Volume",
1210					chan - num_outs + 1, out + 1);
1211			}
1212
1213			cmask = (out == 0) ? 0 : 1 << (out - 1);
1214			offset = chan * num_outs;
1215			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1216						cmask, val_type, offset, name,
1217						&snd_usb_mixer_vol_tlv);
1218			if (err < 0)
1219				return err;
1220		}
1221	}
1222
1223	return 0;
1224}
1225
1226/* This control needs a volume quirk, see mixer.c */
1227static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1228{
1229	static const char name[] = "Effect Volume";
1230	const unsigned int id = 0x43;
1231	const int val_type = USB_MIXER_U8;
1232	const unsigned int control = 3;
1233	const unsigned int cmask = 0;
1234
1235	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1236					name, snd_usb_mixer_vol_tlv);
1237}
1238
1239/* This control needs a volume quirk, see mixer.c */
1240static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1241{
1242	static const char name[] = "Effect Duration";
1243	const unsigned int id = 0x43;
1244	const int val_type = USB_MIXER_S16;
1245	const unsigned int control = 4;
1246	const unsigned int cmask = 0;
1247
1248	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1249					name, snd_usb_mixer_vol_tlv);
1250}
1251
1252/* This control needs a volume quirk, see mixer.c */
1253static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1254{
1255	static const char name[] = "Effect Feedback Volume";
1256	const unsigned int id = 0x43;
1257	const int val_type = USB_MIXER_U8;
1258	const unsigned int control = 5;
1259	const unsigned int cmask = 0;
1260
1261	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1262					name, NULL);
1263}
1264
1265static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1266{
1267	char name[64];
1268	unsigned int cmask;
1269	int chan, err;
1270	int num_outs = 0;
1271	int num_ins = 0;
1272
1273	const unsigned int id = 0x42;
1274	const int val_type = USB_MIXER_S16;
1275	const int control = 1;
1276
1277	switch (mixer->chip->usb_id) {
1278	case USB_ID(0x0763, 0x2030):
1279		num_outs = 6;
1280		num_ins = 4;
1281		break;
1282	case USB_ID(0x0763, 0x2031):
1283		num_outs = 8;
1284		num_ins = 6;
1285		break;
1286	}
1287
1288	for (chan = 0; chan < num_outs + num_ins; chan++) {
1289		if (chan < num_outs) {
1290			snprintf(name, sizeof(name),
1291				"Effect Send DOut%d",
1292				chan + 1);
1293		} else {
1294			snprintf(name, sizeof(name),
1295				"Effect Send AIn%d",
1296				chan - num_outs + 1);
1297		}
1298
1299		cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1300		err = snd_create_std_mono_ctl(mixer, id, control,
1301						cmask, val_type, name,
1302						&snd_usb_mixer_vol_tlv);
1303		if (err < 0)
1304			return err;
1305	}
1306
1307	return 0;
1308}
1309
1310static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1311{
1312	char name[64];
1313	unsigned int cmask;
1314	int chan, err;
1315	int num_outs = 0;
1316	int offset = 0;
1317
1318	const unsigned int id = 0x40;
1319	const int val_type = USB_MIXER_S16;
1320	const int control = 1;
1321
1322	switch (mixer->chip->usb_id) {
1323	case USB_ID(0x0763, 0x2030):
1324		num_outs = 6;
1325		offset = 0x3c;
1326		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1327		break;
1328	case USB_ID(0x0763, 0x2031):
1329		num_outs = 8;
1330		offset = 0x70;
1331		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1332		break;
1333	}
1334
1335	for (chan = 0; chan < num_outs; chan++) {
1336		snprintf(name, sizeof(name),
1337			"Effect Return %d",
1338			chan + 1);
1339
1340		cmask = (chan == 0) ? 0 :
1341			1 << (chan + (chan % 2) * num_outs - 1);
1342		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1343						cmask, val_type, offset, name,
1344						&snd_usb_mixer_vol_tlv);
1345		if (err < 0)
1346			return err;
1347	}
1348
1349	return 0;
1350}
1351
1352static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1353{
1354	int err;
1355
1356	err = snd_c400_create_vol_ctls(mixer);
1357	if (err < 0)
1358		return err;
1359
1360	err = snd_c400_create_effect_vol_ctls(mixer);
1361	if (err < 0)
1362		return err;
1363
1364	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1365	if (err < 0)
1366		return err;
1367
1368	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1369	if (err < 0)
1370		return err;
1371
1372	err = snd_c400_create_effect_volume_ctl(mixer);
1373	if (err < 0)
1374		return err;
1375
1376	err = snd_c400_create_effect_duration_ctl(mixer);
1377	if (err < 0)
1378		return err;
1379
1380	err = snd_c400_create_effect_feedback_ctl(mixer);
1381	if (err < 0)
1382		return err;
1383
1384	return 0;
1385}
1386
1387/*
1388 * The mixer units for Ebox-44 are corrupt, and even where they
1389 * are valid they presents mono controls as L and R channels of
1390 * stereo. So we provide a good mixer here.
1391 */
1392static const struct std_mono_table ebox44_table[] = {
1393	{
1394		.unitid = 4,
1395		.control = 1,
1396		.cmask = 0x0,
1397		.val_type = USB_MIXER_INV_BOOLEAN,
1398		.name = "Headphone Playback Switch"
1399	},
1400	{
1401		.unitid = 4,
1402		.control = 2,
1403		.cmask = 0x1,
1404		.val_type = USB_MIXER_S16,
1405		.name = "Headphone A Mix Playback Volume"
1406	},
1407	{
1408		.unitid = 4,
1409		.control = 2,
1410		.cmask = 0x2,
1411		.val_type = USB_MIXER_S16,
1412		.name = "Headphone B Mix Playback Volume"
1413	},
1414
1415	{
1416		.unitid = 7,
1417		.control = 1,
1418		.cmask = 0x0,
1419		.val_type = USB_MIXER_INV_BOOLEAN,
1420		.name = "Output Playback Switch"
1421	},
1422	{
1423		.unitid = 7,
1424		.control = 2,
1425		.cmask = 0x1,
1426		.val_type = USB_MIXER_S16,
1427		.name = "Output A Playback Volume"
1428	},
1429	{
1430		.unitid = 7,
1431		.control = 2,
1432		.cmask = 0x2,
1433		.val_type = USB_MIXER_S16,
1434		.name = "Output B Playback Volume"
1435	},
1436
1437	{
1438		.unitid = 10,
1439		.control = 1,
1440		.cmask = 0x0,
1441		.val_type = USB_MIXER_INV_BOOLEAN,
1442		.name = "Input Capture Switch"
1443	},
1444	{
1445		.unitid = 10,
1446		.control = 2,
1447		.cmask = 0x1,
1448		.val_type = USB_MIXER_S16,
1449		.name = "Input A Capture Volume"
1450	},
1451	{
1452		.unitid = 10,
1453		.control = 2,
1454		.cmask = 0x2,
1455		.val_type = USB_MIXER_S16,
1456		.name = "Input B Capture Volume"
1457	},
1458
1459	{}
1460};
1461
1462/* Audio Advantage Micro II findings:
1463 *
1464 * Mapping spdif AES bits to vendor register.bit:
1465 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1466 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1467 * AES2: [0 0 0 0 0 0 0 0]
1468 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1469 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1470 *
1471 * power on values:
1472 * r2: 0x10
1473 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1474 *           just after it to 0xa0, presumably it disables/mutes some analog
1475 *           parts when there is no audio.)
1476 * r9: 0x28
1477 *
1478 * Optical transmitter on/off:
1479 * vendor register.bit: 9.1
1480 * 0 - on (0x28 register value)
1481 * 1 - off (0x2a register value)
1482 *
1483 */
1484static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1485	struct snd_ctl_elem_info *uinfo)
1486{
1487	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1488	uinfo->count = 1;
1489	return 0;
1490}
1491
1492static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1493	struct snd_ctl_elem_value *ucontrol)
1494{
1495	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1496	struct snd_usb_audio *chip = list->mixer->chip;
1497	int err;
1498	struct usb_interface *iface;
1499	struct usb_host_interface *alts;
1500	unsigned int ep;
1501	unsigned char data[3];
1502	int rate;
1503
1504	err = snd_usb_lock_shutdown(chip);
1505	if (err < 0)
1506		return err;
1507
1508	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1509	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1510	ucontrol->value.iec958.status[2] = 0x00;
1511
1512	/* use known values for that card: interface#1 altsetting#1 */
1513	iface = usb_ifnum_to_if(chip->dev, 1);
1514	if (!iface || iface->num_altsetting < 2) {
1515		err = -EINVAL;
1516		goto end;
1517	}
1518	alts = &iface->altsetting[1];
1519	if (get_iface_desc(alts)->bNumEndpoints < 1) {
1520		err = -EINVAL;
1521		goto end;
1522	}
1523	ep = get_endpoint(alts, 0)->bEndpointAddress;
1524
1525	err = snd_usb_ctl_msg(chip->dev,
1526			usb_rcvctrlpipe(chip->dev, 0),
1527			UAC_GET_CUR,
1528			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1529			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1530			ep,
1531			data,
1532			sizeof(data));
1533	if (err < 0)
1534		goto end;
1535
1536	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1537	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1538			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1539
1540	err = 0;
1541 end:
1542	snd_usb_unlock_shutdown(chip);
1543	return err;
1544}
1545
1546static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1547{
1548	struct snd_usb_audio *chip = list->mixer->chip;
1549	unsigned int pval = list->kctl->private_value;
1550	u8 reg;
1551	int err;
1552
1553	err = snd_usb_lock_shutdown(chip);
1554	if (err < 0)
1555		return err;
1556
1557	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1558	err = snd_usb_ctl_msg(chip->dev,
1559			usb_sndctrlpipe(chip->dev, 0),
1560			UAC_SET_CUR,
1561			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1562			reg,
1563			2,
1564			NULL,
1565			0);
1566	if (err < 0)
1567		goto end;
1568
1569	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1570	reg |= (pval >> 12) & 0x0f;
1571	err = snd_usb_ctl_msg(chip->dev,
1572			usb_sndctrlpipe(chip->dev, 0),
1573			UAC_SET_CUR,
1574			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1575			reg,
1576			3,
1577			NULL,
1578			0);
1579	if (err < 0)
1580		goto end;
1581
1582 end:
1583	snd_usb_unlock_shutdown(chip);
1584	return err;
1585}
1586
1587static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1588	struct snd_ctl_elem_value *ucontrol)
1589{
1590	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1591	unsigned int pval, pval_old;
1592	int err;
1593
1594	pval = pval_old = kcontrol->private_value;
1595	pval &= 0xfffff0f0;
1596	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1597	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1598
1599	pval &= 0xffff0fff;
1600	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1601
1602	/* The frequency bits in AES3 cannot be set via register access. */
1603
1604	/* Silently ignore any bits from the request that cannot be set. */
1605
1606	if (pval == pval_old)
1607		return 0;
1608
1609	kcontrol->private_value = pval;
1610	err = snd_microii_spdif_default_update(list);
1611	return err < 0 ? err : 1;
1612}
1613
1614static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1615	struct snd_ctl_elem_value *ucontrol)
1616{
1617	ucontrol->value.iec958.status[0] = 0x0f;
1618	ucontrol->value.iec958.status[1] = 0xff;
1619	ucontrol->value.iec958.status[2] = 0x00;
1620	ucontrol->value.iec958.status[3] = 0x00;
1621
1622	return 0;
1623}
1624
1625static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1626	struct snd_ctl_elem_value *ucontrol)
1627{
1628	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1629
1630	return 0;
1631}
1632
1633static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1634{
1635	struct snd_usb_audio *chip = list->mixer->chip;
1636	u8 reg = list->kctl->private_value;
1637	int err;
1638
1639	err = snd_usb_lock_shutdown(chip);
1640	if (err < 0)
1641		return err;
1642
1643	err = snd_usb_ctl_msg(chip->dev,
1644			usb_sndctrlpipe(chip->dev, 0),
1645			UAC_SET_CUR,
1646			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1647			reg,
1648			9,
1649			NULL,
1650			0);
1651
1652	snd_usb_unlock_shutdown(chip);
1653	return err;
1654}
1655
1656static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1657	struct snd_ctl_elem_value *ucontrol)
1658{
1659	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1660	u8 reg;
1661	int err;
1662
1663	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1664	if (reg != list->kctl->private_value)
1665		return 0;
1666
1667	kcontrol->private_value = reg;
1668	err = snd_microii_spdif_switch_update(list);
1669	return err < 0 ? err : 1;
1670}
1671
1672static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1673	{
1674		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1675		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1676		.info =     snd_microii_spdif_info,
1677		.get =      snd_microii_spdif_default_get,
1678		.put =      snd_microii_spdif_default_put,
1679		.private_value = 0x00000100UL,/* reset value */
1680	},
1681	{
1682		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1683		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1684		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1685		.info =     snd_microii_spdif_info,
1686		.get =      snd_microii_spdif_mask_get,
1687	},
1688	{
1689		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1690		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1691		.info =     snd_ctl_boolean_mono_info,
1692		.get =      snd_microii_spdif_switch_get,
1693		.put =      snd_microii_spdif_switch_put,
1694		.private_value = 0x00000028UL,/* reset value */
1695	}
1696};
1697
1698static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1699{
1700	int err, i;
1701	static const usb_mixer_elem_resume_func_t resume_funcs[] = {
1702		snd_microii_spdif_default_update,
1703		NULL,
1704		snd_microii_spdif_switch_update
1705	};
1706
1707	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1708		err = add_single_ctl_with_resume(mixer, 0,
1709						 resume_funcs[i],
1710						 &snd_microii_mixer_spdif[i],
1711						 NULL);
1712		if (err < 0)
1713			return err;
1714	}
1715
1716	return 0;
1717}
1718
1719/* Creative Sound Blaster E1 */
1720
1721static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
1722					  struct snd_ctl_elem_value *ucontrol)
1723{
1724	ucontrol->value.integer.value[0] = kcontrol->private_value;
1725	return 0;
1726}
1727
1728static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
1729					     unsigned char state)
1730{
1731	struct snd_usb_audio *chip = mixer->chip;
1732	int err;
1733	unsigned char buff[2];
1734
1735	buff[0] = 0x02;
1736	buff[1] = state ? 0x02 : 0x00;
1737
1738	err = snd_usb_lock_shutdown(chip);
1739	if (err < 0)
1740		return err;
1741	err = snd_usb_ctl_msg(chip->dev,
1742			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
1743			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
1744			0x0202, 3, buff, 2);
1745	snd_usb_unlock_shutdown(chip);
1746	return err;
1747}
1748
1749static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
1750					  struct snd_ctl_elem_value *ucontrol)
1751{
1752	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1753	unsigned char value = !!ucontrol->value.integer.value[0];
1754	int err;
1755
1756	if (kcontrol->private_value == value)
1757		return 0;
1758	kcontrol->private_value = value;
1759	err = snd_soundblaster_e1_switch_update(list->mixer, value);
1760	return err < 0 ? err : 1;
1761}
1762
1763static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
1764{
1765	return snd_soundblaster_e1_switch_update(list->mixer,
1766						 list->kctl->private_value);
1767}
1768
1769static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
1770					   struct snd_ctl_elem_info *uinfo)
1771{
1772	static const char *const texts[2] = {
1773		"Mic", "Aux"
1774	};
1775
1776	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1777}
1778
1779static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
1780	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1781	.name = "Input Source",
1782	.info = snd_soundblaster_e1_switch_info,
1783	.get = snd_soundblaster_e1_switch_get,
1784	.put = snd_soundblaster_e1_switch_put,
1785	.private_value = 0,
1786};
1787
1788static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
1789{
1790	return add_single_ctl_with_resume(mixer, 0,
1791					  snd_soundblaster_e1_switch_resume,
1792					  &snd_soundblaster_e1_input_switch,
1793					  NULL);
1794}
1795
1796static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id)
1797{
1798	u16 buf = 0;
1799
1800	snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
1801			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
1802			ch, snd_usb_ctrl_intf(chip) | (id << 8),
1803			&buf, 2);
1804}
1805
1806static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)
1807{
1808	/* fix to 0dB playback volumes */
1809	dell_dock_init_vol(mixer->chip, 1, 16);
1810	dell_dock_init_vol(mixer->chip, 2, 16);
1811	dell_dock_init_vol(mixer->chip, 1, 19);
1812	dell_dock_init_vol(mixer->chip, 2, 19);
1813	return 0;
1814}
1815
1816/* RME Class Compliant device quirks */
1817
1818#define SND_RME_GET_STATUS1			23
1819#define SND_RME_GET_CURRENT_FREQ		17
1820#define SND_RME_CLK_SYSTEM_SHIFT		16
1821#define SND_RME_CLK_SYSTEM_MASK			0x1f
1822#define SND_RME_CLK_AES_SHIFT			8
1823#define SND_RME_CLK_SPDIF_SHIFT			12
1824#define SND_RME_CLK_AES_SPDIF_MASK		0xf
1825#define SND_RME_CLK_SYNC_SHIFT			6
1826#define SND_RME_CLK_SYNC_MASK			0x3
1827#define SND_RME_CLK_FREQMUL_SHIFT		18
1828#define SND_RME_CLK_FREQMUL_MASK		0x7
1829#define SND_RME_CLK_SYSTEM(x) \
1830	((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK)
1831#define SND_RME_CLK_AES(x) \
1832	((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
1833#define SND_RME_CLK_SPDIF(x) \
1834	((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
1835#define SND_RME_CLK_SYNC(x) \
1836	((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK)
1837#define SND_RME_CLK_FREQMUL(x) \
1838	((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK)
1839#define SND_RME_CLK_AES_LOCK			0x1
1840#define SND_RME_CLK_AES_SYNC			0x4
1841#define SND_RME_CLK_SPDIF_LOCK			0x2
1842#define SND_RME_CLK_SPDIF_SYNC			0x8
1843#define SND_RME_SPDIF_IF_SHIFT			4
1844#define SND_RME_SPDIF_FORMAT_SHIFT		5
1845#define SND_RME_BINARY_MASK			0x1
1846#define SND_RME_SPDIF_IF(x) \
1847	((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK)
1848#define SND_RME_SPDIF_FORMAT(x) \
1849	((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK)
1850
1851static const u32 snd_rme_rate_table[] = {
1852	32000, 44100, 48000, 50000,
1853	64000, 88200, 96000, 100000,
1854	128000, 176400, 192000, 200000,
1855	256000,	352800, 384000, 400000,
1856	512000, 705600, 768000, 800000
1857};
1858/* maximum number of items for AES and S/PDIF rates for above table */
1859#define SND_RME_RATE_IDX_AES_SPDIF_NUM		12
1860
1861enum snd_rme_domain {
1862	SND_RME_DOMAIN_SYSTEM,
1863	SND_RME_DOMAIN_AES,
1864	SND_RME_DOMAIN_SPDIF
1865};
1866
1867enum snd_rme_clock_status {
1868	SND_RME_CLOCK_NOLOCK,
1869	SND_RME_CLOCK_LOCK,
1870	SND_RME_CLOCK_SYNC
1871};
1872
1873static int snd_rme_read_value(struct snd_usb_audio *chip,
1874			      unsigned int item,
1875			      u32 *value)
1876{
1877	struct usb_device *dev = chip->dev;
1878	int err;
1879
1880	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
1881			      item,
1882			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1883			      0, 0,
1884			      value, sizeof(*value));
1885	if (err < 0)
1886		dev_err(&dev->dev,
1887			"unable to issue vendor read request %d (ret = %d)",
1888			item, err);
1889	return err;
1890}
1891
1892static int snd_rme_get_status1(struct snd_kcontrol *kcontrol,
1893			       u32 *status1)
1894{
1895	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1896	struct snd_usb_audio *chip = list->mixer->chip;
1897	int err;
1898
1899	err = snd_usb_lock_shutdown(chip);
1900	if (err < 0)
1901		return err;
1902	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1);
1903	snd_usb_unlock_shutdown(chip);
1904	return err;
1905}
1906
1907static int snd_rme_rate_get(struct snd_kcontrol *kcontrol,
1908			    struct snd_ctl_elem_value *ucontrol)
1909{
1910	u32 status1;
1911	u32 rate = 0;
1912	int idx;
1913	int err;
1914
1915	err = snd_rme_get_status1(kcontrol, &status1);
1916	if (err < 0)
1917		return err;
1918	switch (kcontrol->private_value) {
1919	case SND_RME_DOMAIN_SYSTEM:
1920		idx = SND_RME_CLK_SYSTEM(status1);
1921		if (idx < ARRAY_SIZE(snd_rme_rate_table))
1922			rate = snd_rme_rate_table[idx];
1923		break;
1924	case SND_RME_DOMAIN_AES:
1925		idx = SND_RME_CLK_AES(status1);
1926		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
1927			rate = snd_rme_rate_table[idx];
1928		break;
1929	case SND_RME_DOMAIN_SPDIF:
1930		idx = SND_RME_CLK_SPDIF(status1);
1931		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
1932			rate = snd_rme_rate_table[idx];
1933		break;
1934	default:
1935		return -EINVAL;
1936	}
1937	ucontrol->value.integer.value[0] = rate;
1938	return 0;
1939}
1940
1941static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol,
1942				  struct snd_ctl_elem_value *ucontrol)
1943{
1944	u32 status1;
1945	int idx = SND_RME_CLOCK_NOLOCK;
1946	int err;
1947
1948	err = snd_rme_get_status1(kcontrol, &status1);
1949	if (err < 0)
1950		return err;
1951	switch (kcontrol->private_value) {
1952	case SND_RME_DOMAIN_AES:  /* AES */
1953		if (status1 & SND_RME_CLK_AES_SYNC)
1954			idx = SND_RME_CLOCK_SYNC;
1955		else if (status1 & SND_RME_CLK_AES_LOCK)
1956			idx = SND_RME_CLOCK_LOCK;
1957		break;
1958	case SND_RME_DOMAIN_SPDIF:  /* SPDIF */
1959		if (status1 & SND_RME_CLK_SPDIF_SYNC)
1960			idx = SND_RME_CLOCK_SYNC;
1961		else if (status1 & SND_RME_CLK_SPDIF_LOCK)
1962			idx = SND_RME_CLOCK_LOCK;
1963		break;
1964	default:
1965		return -EINVAL;
1966	}
1967	ucontrol->value.enumerated.item[0] = idx;
1968	return 0;
1969}
1970
1971static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol,
1972				struct snd_ctl_elem_value *ucontrol)
1973{
1974	u32 status1;
1975	int err;
1976
1977	err = snd_rme_get_status1(kcontrol, &status1);
1978	if (err < 0)
1979		return err;
1980	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1);
1981	return 0;
1982}
1983
1984static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol,
1985				    struct snd_ctl_elem_value *ucontrol)
1986{
1987	u32 status1;
1988	int err;
1989
1990	err = snd_rme_get_status1(kcontrol, &status1);
1991	if (err < 0)
1992		return err;
1993	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1);
1994	return 0;
1995}
1996
1997static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol,
1998				   struct snd_ctl_elem_value *ucontrol)
1999{
2000	u32 status1;
2001	int err;
2002
2003	err = snd_rme_get_status1(kcontrol, &status1);
2004	if (err < 0)
2005		return err;
2006	ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1);
2007	return 0;
2008}
2009
2010static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol,
2011				    struct snd_ctl_elem_value *ucontrol)
2012{
2013	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2014	struct snd_usb_audio *chip = list->mixer->chip;
2015	u32 status1;
2016	const u64 num = 104857600000000ULL;
2017	u32 den;
2018	unsigned int freq;
2019	int err;
2020
2021	err = snd_usb_lock_shutdown(chip);
2022	if (err < 0)
2023		return err;
2024	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1);
2025	if (err < 0)
2026		goto end;
2027	err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den);
2028	if (err < 0)
2029		goto end;
2030	freq = (den == 0) ? 0 : div64_u64(num, den);
2031	freq <<= SND_RME_CLK_FREQMUL(status1);
2032	ucontrol->value.integer.value[0] = freq;
2033
2034end:
2035	snd_usb_unlock_shutdown(chip);
2036	return err;
2037}
2038
2039static int snd_rme_rate_info(struct snd_kcontrol *kcontrol,
2040			     struct snd_ctl_elem_info *uinfo)
2041{
2042	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2043	uinfo->count = 1;
2044	switch (kcontrol->private_value) {
2045	case SND_RME_DOMAIN_SYSTEM:
2046		uinfo->value.integer.min = 32000;
2047		uinfo->value.integer.max = 800000;
2048		break;
2049	case SND_RME_DOMAIN_AES:
2050	case SND_RME_DOMAIN_SPDIF:
2051	default:
2052		uinfo->value.integer.min = 0;
2053		uinfo->value.integer.max = 200000;
2054	}
2055	uinfo->value.integer.step = 0;
2056	return 0;
2057}
2058
2059static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol,
2060				   struct snd_ctl_elem_info *uinfo)
2061{
2062	static const char *const sync_states[] = {
2063		"No Lock", "Lock", "Sync"
2064	};
2065
2066	return snd_ctl_enum_info(uinfo, 1,
2067				 ARRAY_SIZE(sync_states), sync_states);
2068}
2069
2070static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol,
2071				 struct snd_ctl_elem_info *uinfo)
2072{
2073	static const char *const spdif_if[] = {
2074		"Coaxial", "Optical"
2075	};
2076
2077	return snd_ctl_enum_info(uinfo, 1,
2078				 ARRAY_SIZE(spdif_if), spdif_if);
2079}
2080
2081static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol,
2082				     struct snd_ctl_elem_info *uinfo)
2083{
2084	static const char *const optical_type[] = {
2085		"Consumer", "Professional"
2086	};
2087
2088	return snd_ctl_enum_info(uinfo, 1,
2089				 ARRAY_SIZE(optical_type), optical_type);
2090}
2091
2092static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol,
2093				    struct snd_ctl_elem_info *uinfo)
2094{
2095	static const char *const sync_sources[] = {
2096		"Internal", "AES", "SPDIF", "Internal"
2097	};
2098
2099	return snd_ctl_enum_info(uinfo, 1,
2100				 ARRAY_SIZE(sync_sources), sync_sources);
2101}
2102
2103static const struct snd_kcontrol_new snd_rme_controls[] = {
2104	{
2105		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2106		.name = "AES Rate",
2107		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2108		.info = snd_rme_rate_info,
2109		.get = snd_rme_rate_get,
2110		.private_value = SND_RME_DOMAIN_AES
2111	},
2112	{
2113		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2114		.name = "AES Sync",
2115		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2116		.info = snd_rme_sync_state_info,
2117		.get = snd_rme_sync_state_get,
2118		.private_value = SND_RME_DOMAIN_AES
2119	},
2120	{
2121		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2122		.name = "SPDIF Rate",
2123		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2124		.info = snd_rme_rate_info,
2125		.get = snd_rme_rate_get,
2126		.private_value = SND_RME_DOMAIN_SPDIF
2127	},
2128	{
2129		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2130		.name = "SPDIF Sync",
2131		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2132		.info = snd_rme_sync_state_info,
2133		.get = snd_rme_sync_state_get,
2134		.private_value = SND_RME_DOMAIN_SPDIF
2135	},
2136	{
2137		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2138		.name = "SPDIF Interface",
2139		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2140		.info = snd_rme_spdif_if_info,
2141		.get = snd_rme_spdif_if_get,
2142	},
2143	{
2144		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2145		.name = "SPDIF Format",
2146		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2147		.info = snd_rme_spdif_format_info,
2148		.get = snd_rme_spdif_format_get,
2149	},
2150	{
2151		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2152		.name = "Sync Source",
2153		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2154		.info = snd_rme_sync_source_info,
2155		.get = snd_rme_sync_source_get
2156	},
2157	{
2158		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2159		.name = "System Rate",
2160		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2161		.info = snd_rme_rate_info,
2162		.get = snd_rme_rate_get,
2163		.private_value = SND_RME_DOMAIN_SYSTEM
2164	},
2165	{
2166		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2167		.name = "Current Frequency",
2168		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2169		.info = snd_rme_rate_info,
2170		.get = snd_rme_current_freq_get
2171	}
2172};
2173
2174static int snd_rme_controls_create(struct usb_mixer_interface *mixer)
2175{
2176	int err, i;
2177
2178	for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) {
2179		err = add_single_ctl_with_resume(mixer, 0,
2180						 NULL,
2181						 &snd_rme_controls[i],
2182						 NULL);
2183		if (err < 0)
2184			return err;
2185	}
2186
2187	return 0;
2188}
2189
2190/*
2191 * RME Babyface Pro (FS)
2192 *
2193 * These devices exposes a couple of DSP functions via request to EP0.
2194 * Switches are available via control registers, while routing is controlled
2195 * by controlling the volume on each possible crossing point.
2196 * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with
2197 * 0dB being at dec. 32768.
2198 */
2199enum {
2200	SND_BBFPRO_CTL_REG1 = 0,
2201	SND_BBFPRO_CTL_REG2
2202};
2203
2204#define SND_BBFPRO_CTL_REG_MASK 1
2205#define SND_BBFPRO_CTL_IDX_MASK 0xff
2206#define SND_BBFPRO_CTL_IDX_SHIFT 1
2207#define SND_BBFPRO_CTL_VAL_MASK 1
2208#define SND_BBFPRO_CTL_VAL_SHIFT 9
2209#define SND_BBFPRO_CTL_REG1_CLK_MASTER 0
2210#define SND_BBFPRO_CTL_REG1_CLK_OPTICAL 1
2211#define SND_BBFPRO_CTL_REG1_SPDIF_PRO 7
2212#define SND_BBFPRO_CTL_REG1_SPDIF_EMPH 8
2213#define SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL 10
2214#define SND_BBFPRO_CTL_REG2_48V_AN1 0
2215#define SND_BBFPRO_CTL_REG2_48V_AN2 1
2216#define SND_BBFPRO_CTL_REG2_SENS_IN3 2
2217#define SND_BBFPRO_CTL_REG2_SENS_IN4 3
2218#define SND_BBFPRO_CTL_REG2_PAD_AN1 4
2219#define SND_BBFPRO_CTL_REG2_PAD_AN2 5
2220
2221#define SND_BBFPRO_MIXER_IDX_MASK 0x1ff
2222#define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff
2223#define SND_BBFPRO_MIXER_VAL_SHIFT 9
2224#define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf
2225#define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB
2226
2227#define SND_BBFPRO_USBREQ_CTL_REG1 0x10
2228#define SND_BBFPRO_USBREQ_CTL_REG2 0x17
2229#define SND_BBFPRO_USBREQ_MIXER 0x12
2230
2231static int snd_bbfpro_ctl_update(struct usb_mixer_interface *mixer, u8 reg,
2232				 u8 index, u8 value)
2233{
2234	int err;
2235	u16 usb_req, usb_idx, usb_val;
2236	struct snd_usb_audio *chip = mixer->chip;
2237
2238	err = snd_usb_lock_shutdown(chip);
2239	if (err < 0)
2240		return err;
2241
2242	if (reg == SND_BBFPRO_CTL_REG1) {
2243		usb_req = SND_BBFPRO_USBREQ_CTL_REG1;
2244		if (index == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2245			usb_idx = 3;
2246			usb_val = value ? 3 : 0;
2247		} else {
2248			usb_idx = 1 << index;
2249			usb_val = value ? usb_idx : 0;
2250		}
2251	} else {
2252		usb_req = SND_BBFPRO_USBREQ_CTL_REG2;
2253		usb_idx = 1 << index;
2254		usb_val = value ? usb_idx : 0;
2255	}
2256
2257	err = snd_usb_ctl_msg(chip->dev,
2258			      usb_sndctrlpipe(chip->dev, 0), usb_req,
2259			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2260			      usb_val, usb_idx, NULL, 0);
2261
2262	snd_usb_unlock_shutdown(chip);
2263	return err;
2264}
2265
2266static int snd_bbfpro_ctl_get(struct snd_kcontrol *kcontrol,
2267			      struct snd_ctl_elem_value *ucontrol)
2268{
2269	u8 reg, idx, val;
2270	int pv;
2271
2272	pv = kcontrol->private_value;
2273	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2274	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2275	val = kcontrol->private_value >> SND_BBFPRO_CTL_VAL_SHIFT;
2276
2277	if ((reg == SND_BBFPRO_CTL_REG1 &&
2278	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2279	    (reg == SND_BBFPRO_CTL_REG2 &&
2280	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2281	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2282		ucontrol->value.enumerated.item[0] = val;
2283	} else {
2284		ucontrol->value.integer.value[0] = val;
2285	}
2286	return 0;
2287}
2288
2289static int snd_bbfpro_ctl_info(struct snd_kcontrol *kcontrol,
2290			       struct snd_ctl_elem_info *uinfo)
2291{
2292	u8 reg, idx;
2293	int pv;
2294
2295	pv = kcontrol->private_value;
2296	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2297	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2298
2299	if (reg == SND_BBFPRO_CTL_REG1 &&
2300	    idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2301		static const char * const texts[2] = {
2302			"AutoSync",
2303			"Internal"
2304		};
2305		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2306	} else if (reg == SND_BBFPRO_CTL_REG2 &&
2307		   (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2308		    idx == SND_BBFPRO_CTL_REG2_SENS_IN4)) {
2309		static const char * const texts[2] = {
2310			"-10dBV",
2311			"+4dBu"
2312		};
2313		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2314	}
2315
2316	uinfo->count = 1;
2317	uinfo->value.integer.min = 0;
2318	uinfo->value.integer.max = 1;
2319	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2320	return 0;
2321}
2322
2323static int snd_bbfpro_ctl_put(struct snd_kcontrol *kcontrol,
2324			      struct snd_ctl_elem_value *ucontrol)
2325{
2326	int err;
2327	u8 reg, idx;
2328	int old_value, pv, val;
2329
2330	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2331	struct usb_mixer_interface *mixer = list->mixer;
2332
2333	pv = kcontrol->private_value;
2334	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2335	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2336	old_value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2337
2338	if ((reg == SND_BBFPRO_CTL_REG1 &&
2339	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2340	    (reg == SND_BBFPRO_CTL_REG2 &&
2341	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2342	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2343		val = ucontrol->value.enumerated.item[0];
2344	} else {
2345		val = ucontrol->value.integer.value[0];
2346	}
2347
2348	if (val > 1)
2349		return -EINVAL;
2350
2351	if (val == old_value)
2352		return 0;
2353
2354	kcontrol->private_value = reg
2355		| ((idx & SND_BBFPRO_CTL_IDX_MASK) << SND_BBFPRO_CTL_IDX_SHIFT)
2356		| ((val & SND_BBFPRO_CTL_VAL_MASK) << SND_BBFPRO_CTL_VAL_SHIFT);
2357
2358	err = snd_bbfpro_ctl_update(mixer, reg, idx, val);
2359	return err < 0 ? err : 1;
2360}
2361
2362static int snd_bbfpro_ctl_resume(struct usb_mixer_elem_list *list)
2363{
2364	u8 reg, idx;
2365	int value, pv;
2366
2367	pv = list->kctl->private_value;
2368	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2369	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2370	value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2371
2372	return snd_bbfpro_ctl_update(list->mixer, reg, idx, value);
2373}
2374
2375static int snd_bbfpro_vol_update(struct usb_mixer_interface *mixer, u16 index,
2376				 u32 value)
2377{
2378	struct snd_usb_audio *chip = mixer->chip;
2379	int err;
2380	u16 idx;
2381	u16 usb_idx, usb_val;
2382	u32 v;
2383
2384	err = snd_usb_lock_shutdown(chip);
2385	if (err < 0)
2386		return err;
2387
2388	idx = index & SND_BBFPRO_MIXER_IDX_MASK;
2389	// 18 bit linear volume, split so 2 bits end up in index.
2390	v = value & SND_BBFPRO_MIXER_VAL_MASK;
2391	usb_idx = idx | (v & 0x3) << 14;
2392	usb_val = (v >> 2) & 0xffff;
2393
2394	err = snd_usb_ctl_msg(chip->dev,
2395			      usb_sndctrlpipe(chip->dev, 0),
2396			      SND_BBFPRO_USBREQ_MIXER,
2397			      USB_DIR_OUT | USB_TYPE_VENDOR |
2398			      USB_RECIP_DEVICE,
2399			      usb_val, usb_idx, NULL, 0);
2400
2401	snd_usb_unlock_shutdown(chip);
2402	return err;
2403}
2404
2405static int snd_bbfpro_vol_get(struct snd_kcontrol *kcontrol,
2406			      struct snd_ctl_elem_value *ucontrol)
2407{
2408	ucontrol->value.integer.value[0] =
2409		kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2410	return 0;
2411}
2412
2413static int snd_bbfpro_vol_info(struct snd_kcontrol *kcontrol,
2414			       struct snd_ctl_elem_info *uinfo)
2415{
2416	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2417	uinfo->count = 1;
2418	uinfo->value.integer.min = SND_BBFPRO_MIXER_VAL_MIN;
2419	uinfo->value.integer.max = SND_BBFPRO_MIXER_VAL_MAX;
2420	return 0;
2421}
2422
2423static int snd_bbfpro_vol_put(struct snd_kcontrol *kcontrol,
2424			      struct snd_ctl_elem_value *ucontrol)
2425{
2426	int err;
2427	u16 idx;
2428	u32 new_val, old_value, uvalue;
2429	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2430	struct usb_mixer_interface *mixer = list->mixer;
2431
2432	uvalue = ucontrol->value.integer.value[0];
2433	idx = kcontrol->private_value & SND_BBFPRO_MIXER_IDX_MASK;
2434	old_value = kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2435
2436	if (uvalue > SND_BBFPRO_MIXER_VAL_MAX)
2437		return -EINVAL;
2438
2439	if (uvalue == old_value)
2440		return 0;
2441
2442	new_val = uvalue & SND_BBFPRO_MIXER_VAL_MASK;
2443
2444	kcontrol->private_value = idx
2445		| (new_val << SND_BBFPRO_MIXER_VAL_SHIFT);
2446
2447	err = snd_bbfpro_vol_update(mixer, idx, new_val);
2448	return err < 0 ? err : 1;
2449}
2450
2451static int snd_bbfpro_vol_resume(struct usb_mixer_elem_list *list)
2452{
2453	int pv = list->kctl->private_value;
2454	u16 idx = pv & SND_BBFPRO_MIXER_IDX_MASK;
2455	u32 val = (pv >> SND_BBFPRO_MIXER_VAL_SHIFT)
2456		& SND_BBFPRO_MIXER_VAL_MASK;
2457	return snd_bbfpro_vol_update(list->mixer, idx, val);
2458}
2459
2460// Predfine elements
2461static const struct snd_kcontrol_new snd_bbfpro_ctl_control = {
2462	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2463	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2464	.index = 0,
2465	.info = snd_bbfpro_ctl_info,
2466	.get = snd_bbfpro_ctl_get,
2467	.put = snd_bbfpro_ctl_put
2468};
2469
2470static const struct snd_kcontrol_new snd_bbfpro_vol_control = {
2471	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2472	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2473	.index = 0,
2474	.info = snd_bbfpro_vol_info,
2475	.get = snd_bbfpro_vol_get,
2476	.put = snd_bbfpro_vol_put
2477};
2478
2479static int snd_bbfpro_ctl_add(struct usb_mixer_interface *mixer, u8 reg,
2480			      u8 index, char *name)
2481{
2482	struct snd_kcontrol_new knew = snd_bbfpro_ctl_control;
2483
2484	knew.name = name;
2485	knew.private_value = (reg & SND_BBFPRO_CTL_REG_MASK)
2486		| ((index & SND_BBFPRO_CTL_IDX_MASK)
2487			<< SND_BBFPRO_CTL_IDX_SHIFT);
2488
2489	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_ctl_resume,
2490		&knew, NULL);
2491}
2492
2493static int snd_bbfpro_vol_add(struct usb_mixer_interface *mixer, u16 index,
2494			      char *name)
2495{
2496	struct snd_kcontrol_new knew = snd_bbfpro_vol_control;
2497
2498	knew.name = name;
2499	knew.private_value = index & SND_BBFPRO_MIXER_IDX_MASK;
2500
2501	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_vol_resume,
2502		&knew, NULL);
2503}
2504
2505static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)
2506{
2507	int err, i, o;
2508	char name[48];
2509
2510	static const char * const input[] = {
2511		"AN1", "AN2", "IN3", "IN4", "AS1", "AS2", "ADAT3",
2512		"ADAT4", "ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2513
2514	static const char * const output[] = {
2515		"AN1", "AN2", "PH3", "PH4", "AS1", "AS2", "ADAT3", "ADAT4",
2516		"ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2517
2518	for (o = 0 ; o < 12 ; ++o) {
2519		for (i = 0 ; i < 12 ; ++i) {
2520			// Line routing
2521			snprintf(name, sizeof(name),
2522				 "%s-%s-%s Playback Volume",
2523				 (i < 2 ? "Mic" : "Line"),
2524				 input[i], output[o]);
2525			err = snd_bbfpro_vol_add(mixer, (26 * o + i), name);
2526			if (err < 0)
2527				return err;
2528
2529			// PCM routing... yes, it is output remapping
2530			snprintf(name, sizeof(name),
2531				 "PCM-%s-%s Playback Volume",
2532				 output[i], output[o]);
2533			err = snd_bbfpro_vol_add(mixer, (26 * o + 12 + i),
2534						 name);
2535			if (err < 0)
2536				return err;
2537		}
2538	}
2539
2540	// Control Reg 1
2541	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2542				 SND_BBFPRO_CTL_REG1_CLK_OPTICAL,
2543				 "Sample Clock Source");
2544	if (err < 0)
2545		return err;
2546
2547	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2548				 SND_BBFPRO_CTL_REG1_SPDIF_PRO,
2549				 "IEC958 Pro Mask");
2550	if (err < 0)
2551		return err;
2552
2553	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2554				 SND_BBFPRO_CTL_REG1_SPDIF_EMPH,
2555				 "IEC958 Emphasis");
2556	if (err < 0)
2557		return err;
2558
2559	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2560				 SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL,
2561				 "IEC958 Switch");
2562	if (err < 0)
2563		return err;
2564
2565	// Control Reg 2
2566	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2567				 SND_BBFPRO_CTL_REG2_48V_AN1,
2568				 "Mic-AN1 48V");
2569	if (err < 0)
2570		return err;
2571
2572	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2573				 SND_BBFPRO_CTL_REG2_48V_AN2,
2574				 "Mic-AN2 48V");
2575	if (err < 0)
2576		return err;
2577
2578	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2579				 SND_BBFPRO_CTL_REG2_SENS_IN3,
2580				 "Line-IN3 Sens.");
2581	if (err < 0)
2582		return err;
2583
2584	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2585				 SND_BBFPRO_CTL_REG2_SENS_IN4,
2586				 "Line-IN4 Sens.");
2587	if (err < 0)
2588		return err;
2589
2590	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2591				 SND_BBFPRO_CTL_REG2_PAD_AN1,
2592				 "Mic-AN1 PAD");
2593	if (err < 0)
2594		return err;
2595
2596	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2597				 SND_BBFPRO_CTL_REG2_PAD_AN2,
2598				 "Mic-AN2 PAD");
2599	if (err < 0)
2600		return err;
2601
2602	return 0;
2603}
2604
2605/*
2606 * Pioneer DJ DJM Mixers
2607 *
2608 * These devices generally have options for soft-switching the playback and
2609 * capture sources in addition to the recording level. Although different
2610 * devices have different configurations, there seems to be canonical values
2611 * for specific capture/playback types:  See the definitions of these below.
2612 *
2613 * The wValue is masked with the stereo channel number. e.g. Setting Ch2 to
2614 * capture phono would be 0x0203. Capture, playback and capture level have
2615 * different wIndexes.
2616 */
2617
2618// Capture types
2619#define SND_DJM_CAP_LINE	0x00
2620#define SND_DJM_CAP_CDLINE	0x01
2621#define SND_DJM_CAP_DIGITAL	0x02
2622#define SND_DJM_CAP_PHONO	0x03
2623#define SND_DJM_CAP_PFADER	0x06
2624#define SND_DJM_CAP_XFADERA	0x07
2625#define SND_DJM_CAP_XFADERB	0x08
2626#define SND_DJM_CAP_MIC		0x09
2627#define SND_DJM_CAP_AUX		0x0d
2628#define SND_DJM_CAP_RECOUT	0x0a
2629#define SND_DJM_CAP_NONE	0x0f
2630#define SND_DJM_CAP_CH1PFADER	0x11
2631#define SND_DJM_CAP_CH2PFADER	0x12
2632#define SND_DJM_CAP_CH3PFADER	0x13
2633#define SND_DJM_CAP_CH4PFADER	0x14
2634
2635// Playback types
2636#define SND_DJM_PB_CH1		0x00
2637#define SND_DJM_PB_CH2		0x01
2638#define SND_DJM_PB_AUX		0x04
2639
2640#define SND_DJM_WINDEX_CAP	0x8002
2641#define SND_DJM_WINDEX_CAPLVL	0x8003
2642#define SND_DJM_WINDEX_PB	0x8016
2643
2644// kcontrol->private_value layout
2645#define SND_DJM_VALUE_MASK	0x0000ffff
2646#define SND_DJM_GROUP_MASK	0x00ff0000
2647#define SND_DJM_DEVICE_MASK	0xff000000
2648#define SND_DJM_GROUP_SHIFT	16
2649#define SND_DJM_DEVICE_SHIFT	24
2650
2651// device table index
2652#define SND_DJM_250MK2_IDX	0x0
2653#define SND_DJM_750_IDX		0x1
2654#define SND_DJM_900NXS2_IDX	0x2
2655
2656
2657#define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \
2658	.name = _name, \
2659	.options = snd_djm_opts_##suffix, \
2660	.noptions = ARRAY_SIZE(snd_djm_opts_##suffix), \
2661	.default_value = _default_value, \
2662	.wIndex = _windex }
2663
2664#define SND_DJM_DEVICE(suffix) { \
2665	.controls = snd_djm_ctls_##suffix, \
2666	.ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) }
2667
2668
2669struct snd_djm_device {
2670	const char *name;
2671	const struct snd_djm_ctl *controls;
2672	size_t ncontrols;
2673};
2674
2675struct snd_djm_ctl {
2676	const char *name;
2677	const u16 *options;
2678	size_t noptions;
2679	u16 default_value;
2680	u16 wIndex;
2681};
2682
2683static const char *snd_djm_get_label_caplevel(u16 wvalue)
2684{
2685	switch (wvalue) {
2686	case 0x0000:	return "-19dB";
2687	case 0x0100:	return "-15dB";
2688	case 0x0200:	return "-10dB";
2689	case 0x0300:	return "-5dB";
2690	default:	return NULL;
2691	}
2692};
2693
2694static const char *snd_djm_get_label_cap(u16 wvalue)
2695{
2696	switch (wvalue & 0x00ff) {
2697	case SND_DJM_CAP_LINE:		return "Control Tone LINE";
2698	case SND_DJM_CAP_CDLINE:	return "Control Tone CD/LINE";
2699	case SND_DJM_CAP_DIGITAL:	return "Control Tone DIGITAL";
2700	case SND_DJM_CAP_PHONO:		return "Control Tone PHONO";
2701	case SND_DJM_CAP_PFADER:	return "Post Fader";
2702	case SND_DJM_CAP_XFADERA:	return "Cross Fader A";
2703	case SND_DJM_CAP_XFADERB:	return "Cross Fader B";
2704	case SND_DJM_CAP_MIC:		return "Mic";
2705	case SND_DJM_CAP_RECOUT:	return "Rec Out";
2706	case SND_DJM_CAP_AUX:		return "Aux";
2707	case SND_DJM_CAP_NONE:		return "None";
2708	case SND_DJM_CAP_CH1PFADER:	return "Post Fader Ch1";
2709	case SND_DJM_CAP_CH2PFADER:	return "Post Fader Ch2";
2710	case SND_DJM_CAP_CH3PFADER:	return "Post Fader Ch3";
2711	case SND_DJM_CAP_CH4PFADER:	return "Post Fader Ch4";
2712	default:			return NULL;
2713	}
2714};
2715
2716static const char *snd_djm_get_label_pb(u16 wvalue)
2717{
2718	switch (wvalue & 0x00ff) {
2719	case SND_DJM_PB_CH1:	return "Ch1";
2720	case SND_DJM_PB_CH2:	return "Ch2";
2721	case SND_DJM_PB_AUX:	return "Aux";
2722	default:		return NULL;
2723	}
2724};
2725
2726static const char *snd_djm_get_label(u16 wvalue, u16 windex)
2727{
2728	switch (windex) {
2729	case SND_DJM_WINDEX_CAPLVL:	return snd_djm_get_label_caplevel(wvalue);
2730	case SND_DJM_WINDEX_CAP:	return snd_djm_get_label_cap(wvalue);
2731	case SND_DJM_WINDEX_PB:		return snd_djm_get_label_pb(wvalue);
2732	default:			return NULL;
2733	}
2734};
2735
2736
2737// DJM-250MK2
2738static const u16 snd_djm_opts_cap_level[] = {
2739	0x0000, 0x0100, 0x0200, 0x0300 };
2740
2741static const u16 snd_djm_opts_250mk2_cap1[] = {
2742	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
2743
2744static const u16 snd_djm_opts_250mk2_cap2[] = {
2745	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
2746
2747static const u16 snd_djm_opts_250mk2_cap3[] = {
2748	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
2749
2750static const u16 snd_djm_opts_250mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
2751static const u16 snd_djm_opts_250mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
2752static const u16 snd_djm_opts_250mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
2753
2754static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = {
2755	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
2756	SND_DJM_CTL("Ch1 Input",   250mk2_cap1, 2, SND_DJM_WINDEX_CAP),
2757	SND_DJM_CTL("Ch2 Input",   250mk2_cap2, 2, SND_DJM_WINDEX_CAP),
2758	SND_DJM_CTL("Ch3 Input",   250mk2_cap3, 0, SND_DJM_WINDEX_CAP),
2759	SND_DJM_CTL("Ch1 Output",   250mk2_pb1, 0, SND_DJM_WINDEX_PB),
2760	SND_DJM_CTL("Ch2 Output",   250mk2_pb2, 1, SND_DJM_WINDEX_PB),
2761	SND_DJM_CTL("Ch3 Output",   250mk2_pb3, 2, SND_DJM_WINDEX_PB)
2762};
2763
2764
2765// DJM-750
2766static const u16 snd_djm_opts_750_cap1[] = {
2767	0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
2768static const u16 snd_djm_opts_750_cap2[] = {
2769	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
2770static const u16 snd_djm_opts_750_cap3[] = {
2771	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
2772static const u16 snd_djm_opts_750_cap4[] = {
2773	0x0401, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
2774
2775static const struct snd_djm_ctl snd_djm_ctls_750[] = {
2776	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
2777	SND_DJM_CTL("Ch1 Input",   750_cap1, 2, SND_DJM_WINDEX_CAP),
2778	SND_DJM_CTL("Ch2 Input",   750_cap2, 2, SND_DJM_WINDEX_CAP),
2779	SND_DJM_CTL("Ch3 Input",   750_cap3, 0, SND_DJM_WINDEX_CAP),
2780	SND_DJM_CTL("Ch4 Input",   750_cap4, 0, SND_DJM_WINDEX_CAP)
2781};
2782
2783
2784// DJM-900NXS2
2785static const u16 snd_djm_opts_900nxs2_cap1[] = {
2786	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
2787static const u16 snd_djm_opts_900nxs2_cap2[] = {
2788	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
2789static const u16 snd_djm_opts_900nxs2_cap3[] = {
2790	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
2791static const u16 snd_djm_opts_900nxs2_cap4[] = {
2792	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
2793static const u16 snd_djm_opts_900nxs2_cap5[] = {
2794	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
2795
2796static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = {
2797	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
2798	SND_DJM_CTL("Ch1 Input",   900nxs2_cap1, 2, SND_DJM_WINDEX_CAP),
2799	SND_DJM_CTL("Ch2 Input",   900nxs2_cap2, 2, SND_DJM_WINDEX_CAP),
2800	SND_DJM_CTL("Ch3 Input",   900nxs2_cap3, 2, SND_DJM_WINDEX_CAP),
2801	SND_DJM_CTL("Ch4 Input",   900nxs2_cap4, 2, SND_DJM_WINDEX_CAP),
2802	SND_DJM_CTL("Ch5 Input",   900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)
2803};
2804
2805
2806static const struct snd_djm_device snd_djm_devices[] = {
2807	SND_DJM_DEVICE(250mk2),
2808	SND_DJM_DEVICE(750),
2809	SND_DJM_DEVICE(900nxs2)
2810};
2811
2812
2813static int snd_djm_controls_info(struct snd_kcontrol *kctl,
2814				struct snd_ctl_elem_info *info)
2815{
2816	unsigned long private_value = kctl->private_value;
2817	u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
2818	u8 ctl_idx = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
2819	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
2820	const char *name;
2821	const struct snd_djm_ctl *ctl;
2822	size_t noptions;
2823
2824	if (ctl_idx >= device->ncontrols)
2825		return -EINVAL;
2826
2827	ctl = &device->controls[ctl_idx];
2828	noptions = ctl->noptions;
2829	if (info->value.enumerated.item >= noptions)
2830		info->value.enumerated.item = noptions - 1;
2831
2832	name = snd_djm_get_label(ctl->options[info->value.enumerated.item],
2833				ctl->wIndex);
2834	if (!name)
2835		return -EINVAL;
2836
2837	strlcpy(info->value.enumerated.name, name, sizeof(info->value.enumerated.name));
2838	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2839	info->count = 1;
2840	info->value.enumerated.items = noptions;
2841	return 0;
2842}
2843
2844static int snd_djm_controls_update(struct usb_mixer_interface *mixer,
2845				u8 device_idx, u8 group, u16 value)
2846{
2847	int err;
2848	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
2849
2850	if ((group >= device->ncontrols) || value >= device->controls[group].noptions)
2851		return -EINVAL;
2852
2853	err = snd_usb_lock_shutdown(mixer->chip);
2854	if (err)
2855		return err;
2856
2857	err = snd_usb_ctl_msg(
2858		mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0),
2859		USB_REQ_SET_FEATURE,
2860		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2861		device->controls[group].options[value],
2862		device->controls[group].wIndex,
2863		NULL, 0);
2864
2865	snd_usb_unlock_shutdown(mixer->chip);
2866	return err;
2867}
2868
2869static int snd_djm_controls_get(struct snd_kcontrol *kctl,
2870				struct snd_ctl_elem_value *elem)
2871{
2872	elem->value.enumerated.item[0] = kctl->private_value & SND_DJM_VALUE_MASK;
2873	return 0;
2874}
2875
2876static int snd_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
2877{
2878	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
2879	struct usb_mixer_interface *mixer = list->mixer;
2880	unsigned long private_value = kctl->private_value;
2881
2882	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
2883	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
2884	u16 value = elem->value.enumerated.item[0];
2885
2886	kctl->private_value = (((unsigned long)device << SND_DJM_DEVICE_SHIFT) |
2887			      (group << SND_DJM_GROUP_SHIFT) |
2888			      value);
2889
2890	return snd_djm_controls_update(mixer, device, group, value);
2891}
2892
2893static int snd_djm_controls_resume(struct usb_mixer_elem_list *list)
2894{
2895	unsigned long private_value = list->kctl->private_value;
2896	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
2897	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
2898	u16 value = (private_value & SND_DJM_VALUE_MASK);
2899
2900	return snd_djm_controls_update(list->mixer, device, group, value);
2901}
2902
2903static int snd_djm_controls_create(struct usb_mixer_interface *mixer,
2904		const u8 device_idx)
2905{
2906	int err, i;
2907	u16 value;
2908
2909	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
2910
2911	struct snd_kcontrol_new knew = {
2912		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
2913		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2914		.index = 0,
2915		.info = snd_djm_controls_info,
2916		.get  = snd_djm_controls_get,
2917		.put  = snd_djm_controls_put
2918	};
2919
2920	for (i = 0; i < device->ncontrols; i++) {
2921		value = device->controls[i].default_value;
2922		knew.name = device->controls[i].name;
2923		knew.private_value = (
2924			((unsigned long)device_idx << SND_DJM_DEVICE_SHIFT) |
2925			(i << SND_DJM_GROUP_SHIFT) |
2926			value);
2927		err = snd_djm_controls_update(mixer, device_idx, i, value);
2928		if (err)
2929			return err;
2930		err = add_single_ctl_with_resume(mixer, 0, snd_djm_controls_resume,
2931						 &knew, NULL);
2932		if (err)
2933			return err;
2934	}
2935	return 0;
2936}
2937
2938int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
2939{
2940	int err = 0;
2941
2942	err = snd_usb_soundblaster_remote_init(mixer);
2943	if (err < 0)
2944		return err;
2945
2946	switch (mixer->chip->usb_id) {
2947	/* Tascam US-16x08 */
2948	case USB_ID(0x0644, 0x8047):
2949		err = snd_us16x08_controls_create(mixer);
2950		break;
2951	case USB_ID(0x041e, 0x3020):
2952	case USB_ID(0x041e, 0x3040):
2953	case USB_ID(0x041e, 0x3042):
2954	case USB_ID(0x041e, 0x30df):
2955	case USB_ID(0x041e, 0x3048):
2956		err = snd_audigy2nx_controls_create(mixer);
2957		if (err < 0)
2958			break;
2959		snd_card_ro_proc_new(mixer->chip->card, "audigy2nx",
2960				     mixer, snd_audigy2nx_proc_read);
2961		break;
2962
2963	/* EMU0204 */
2964	case USB_ID(0x041e, 0x3f19):
2965		err = snd_emu0204_controls_create(mixer);
2966		break;
2967
2968	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
2969	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
2970		err = snd_c400_create_mixer(mixer);
2971		break;
2972
2973	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
2974	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
2975		err = snd_ftu_create_mixer(mixer);
2976		break;
2977
2978	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
2979	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
2980	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
2981		err = snd_xonar_u1_controls_create(mixer);
2982		break;
2983
2984	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
2985		err = snd_microii_controls_create(mixer);
2986		break;
2987
2988	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
2989		err = snd_mbox1_create_sync_switch(mixer);
2990		break;
2991
2992	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
2993		err = snd_nativeinstruments_create_mixer(mixer,
2994				snd_nativeinstruments_ta6_mixers,
2995				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
2996		break;
2997
2998	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
2999		err = snd_nativeinstruments_create_mixer(mixer,
3000				snd_nativeinstruments_ta10_mixers,
3001				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
3002		break;
3003
3004	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
3005		/* detection is disabled in mixer_maps.c */
3006		err = snd_create_std_mono_table(mixer, ebox44_table);
3007		break;
3008
3009	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
3010	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
3011	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
3012	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
3013	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
3014		err = snd_scarlett_controls_create(mixer);
3015		break;
3016
3017	case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */
3018	case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */
3019	case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */
3020		err = snd_scarlett_gen2_init(mixer);
3021		break;
3022
3023	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
3024		err = snd_soundblaster_e1_switch_create(mixer);
3025		break;
3026	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
3027		err = dell_dock_mixer_init(mixer);
3028		break;
3029
3030	case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */
3031	case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */
3032	case USB_ID(0x2a39, 0x3fd4): /* RME */
3033		err = snd_rme_controls_create(mixer);
3034		break;
3035
3036	case USB_ID(0x194f, 0x010c): /* Presonus Studio 1810c */
3037		err = snd_sc1810_init_mixer(mixer);
3038		break;
3039	case USB_ID(0x2a39, 0x3fb0): /* RME Babyface Pro FS */
3040		err = snd_bbfpro_controls_create(mixer);
3041		break;
3042	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
3043		err = snd_djm_controls_create(mixer, SND_DJM_250MK2_IDX);
3044		break;
3045	case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */
3046		err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);
3047		break;
3048	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
3049		err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX);
3050		break;
3051	}
3052
3053	return err;
3054}
3055
3056#ifdef CONFIG_PM
3057void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer)
3058{
3059	switch (mixer->chip->usb_id) {
3060	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
3061		dell_dock_mixer_init(mixer);
3062		break;
3063	}
3064}
3065#endif
3066
3067void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
3068				    int unitid)
3069{
3070	if (!mixer->rc_cfg)
3071		return;
3072	/* unit ids specific to Extigy/Audigy 2 NX: */
3073	switch (unitid) {
3074	case 0: /* remote control */
3075		mixer->rc_urb->dev = mixer->chip->dev;
3076		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
3077		break;
3078	case 4: /* digital in jack */
3079	case 7: /* line in jacks */
3080	case 19: /* speaker out jacks */
3081	case 20: /* headphones out jack */
3082		break;
3083	/* live24ext: 4 = line-in jack */
3084	case 3:	/* hp-out jack (may actuate Mute) */
3085		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
3086		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
3087			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
3088		break;
3089	default:
3090		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
3091		break;
3092	}
3093}
3094
3095static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
3096					 struct usb_mixer_elem_info *cval,
3097					 struct snd_kcontrol *kctl)
3098{
3099	/* Approximation using 10 ranges based on output measurement on hw v1.2.
3100	 * This seems close to the cubic mapping e.g. alsamixer uses. */
3101	static const DECLARE_TLV_DB_RANGE(scale,
3102		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
3103		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
3104		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
3105		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
3106		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
3107		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
3108		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
3109		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
3110		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
3111		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
3112	);
3113
3114	if (cval->min == 0 && cval->max == 50) {
3115		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
3116		kctl->tlv.p = scale;
3117		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
3118		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
3119
3120	} else if (cval->min == 0 && cval->max <= 1000) {
3121		/* Some other clearly broken DragonFly variant.
3122		 * At least a 0..53 variant (hw v1.0) exists.
3123		 */
3124		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
3125		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
3126	}
3127}
3128
3129void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
3130				  struct usb_mixer_elem_info *cval, int unitid,
3131				  struct snd_kcontrol *kctl)
3132{
3133	switch (mixer->chip->usb_id) {
3134	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
3135		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
3136			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
3137		break;
3138	/* lowest playback value is muted on some devices */
3139	case USB_ID(0x0d8c, 0x000c): /* C-Media */
3140	case USB_ID(0x0d8c, 0x0014): /* C-Media */
3141	case USB_ID(0x19f7, 0x0003): /* RODE NT-USB */
3142		if (strstr(kctl->id.name, "Playback"))
3143			cval->min_mute = 1;
3144		break;
3145	}
3146}
3147
3148