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/hda_verbs.h>
28#include <sound/hwdep.h>
29#include <sound/info.h>
30#include <sound/tlv.h>
31
32#include "usbaudio.h"
33#include "mixer.h"
34#include "mixer_quirks.h"
35#include "mixer_scarlett.h"
36#include "mixer_scarlett2.h"
37#include "mixer_us16x08.h"
38#include "mixer_s1810c.h"
39#include "helper.h"
40
41struct std_mono_table {
42	unsigned int unitid, control, cmask;
43	int val_type;
44	const char *name;
45	snd_kcontrol_tlv_rw_t *tlv_callback;
46};
47
48/* This function allows for the creation of standard UAC controls.
49 * See the quirks for M-Audio FTUs or Ebox-44.
50 * If you don't want to set a TLV callback pass NULL.
51 *
52 * Since there doesn't seem to be a devices that needs a multichannel
53 * version, we keep it mono for simplicity.
54 */
55static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
56				unsigned int unitid,
57				unsigned int control,
58				unsigned int cmask,
59				int val_type,
60				unsigned int idx_off,
61				const char *name,
62				snd_kcontrol_tlv_rw_t *tlv_callback)
63{
64	struct usb_mixer_elem_info *cval;
65	struct snd_kcontrol *kctl;
66
67	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
68	if (!cval)
69		return -ENOMEM;
70
71	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
72	cval->val_type = val_type;
73	cval->channels = 1;
74	cval->control = control;
75	cval->cmask = cmask;
76	cval->idx_off = idx_off;
77
78	/* get_min_max() is called only for integer volumes later,
79	 * so provide a short-cut for booleans */
80	cval->min = 0;
81	cval->max = 1;
82	cval->res = 0;
83	cval->dBmin = 0;
84	cval->dBmax = 0;
85
86	/* Create control */
87	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
88	if (!kctl) {
89		kfree(cval);
90		return -ENOMEM;
91	}
92
93	/* Set name */
94	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
95	kctl->private_free = snd_usb_mixer_elem_free;
96
97	/* set TLV */
98	if (tlv_callback) {
99		kctl->tlv.c = tlv_callback;
100		kctl->vd[0].access |=
101			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
102			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
103	}
104	/* Add control to mixer */
105	return snd_usb_mixer_add_control(&cval->head, kctl);
106}
107
108static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
109				unsigned int unitid,
110				unsigned int control,
111				unsigned int cmask,
112				int val_type,
113				const char *name,
114				snd_kcontrol_tlv_rw_t *tlv_callback)
115{
116	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
117		val_type, 0 /* Offset */, name, tlv_callback);
118}
119
120/*
121 * Create a set of standard UAC controls from a table
122 */
123static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
124				     const struct std_mono_table *t)
125{
126	int err;
127
128	while (t->name != NULL) {
129		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
130				t->cmask, t->val_type, t->name, t->tlv_callback);
131		if (err < 0)
132			return err;
133		t++;
134	}
135
136	return 0;
137}
138
139static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
140				      int id,
141				      usb_mixer_elem_resume_func_t resume,
142				      const struct snd_kcontrol_new *knew,
143				      struct usb_mixer_elem_list **listp)
144{
145	struct usb_mixer_elem_list *list;
146	struct snd_kcontrol *kctl;
147
148	list = kzalloc(sizeof(*list), GFP_KERNEL);
149	if (!list)
150		return -ENOMEM;
151	if (listp)
152		*listp = list;
153	list->mixer = mixer;
154	list->id = id;
155	list->resume = resume;
156	kctl = snd_ctl_new1(knew, list);
157	if (!kctl) {
158		kfree(list);
159		return -ENOMEM;
160	}
161	kctl->private_free = snd_usb_mixer_elem_free;
162	/* don't use snd_usb_mixer_add_control() here, this is a special list element */
163	return snd_usb_mixer_add_list(list, kctl, false);
164}
165
166/*
167 * Sound Blaster remote control configuration
168 *
169 * format of remote control data:
170 * Extigy:       xx 00
171 * Audigy 2 NX:  06 80 xx 00 00 00
172 * Live! 24-bit: 06 80 xx yy 22 83
173 */
174static const struct rc_config {
175	u32 usb_id;
176	u8  offset;
177	u8  length;
178	u8  packet_length;
179	u8  min_packet_length; /* minimum accepted length of the URB result */
180	u8  mute_mixer_id;
181	u32 mute_code;
182} rc_configs[] = {
183	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
184	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
185	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
186	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
187	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
188	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
189	{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
190	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
191};
192
193static void snd_usb_soundblaster_remote_complete(struct urb *urb)
194{
195	struct usb_mixer_interface *mixer = urb->context;
196	const struct rc_config *rc = mixer->rc_cfg;
197	u32 code;
198
199	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
200		return;
201
202	code = mixer->rc_buffer[rc->offset];
203	if (rc->length == 2)
204		code |= mixer->rc_buffer[rc->offset + 1] << 8;
205
206	/* the Mute button actually changes the mixer control */
207	if (code == rc->mute_code)
208		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
209	mixer->rc_code = code;
210	wmb();
211	wake_up(&mixer->rc_waitq);
212}
213
214static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
215				     long count, loff_t *offset)
216{
217	struct usb_mixer_interface *mixer = hw->private_data;
218	int err;
219	u32 rc_code;
220
221	if (count != 1 && count != 4)
222		return -EINVAL;
223	err = wait_event_interruptible(mixer->rc_waitq,
224				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
225	if (err == 0) {
226		if (count == 1)
227			err = put_user(rc_code, buf);
228		else
229			err = put_user(rc_code, (u32 __user *)buf);
230	}
231	return err < 0 ? err : count;
232}
233
234static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
235					    poll_table *wait)
236{
237	struct usb_mixer_interface *mixer = hw->private_data;
238
239	poll_wait(file, &mixer->rc_waitq, wait);
240	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
241}
242
243static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
244{
245	struct snd_hwdep *hwdep;
246	int err, len, i;
247
248	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
249		if (rc_configs[i].usb_id == mixer->chip->usb_id)
250			break;
251	if (i >= ARRAY_SIZE(rc_configs))
252		return 0;
253	mixer->rc_cfg = &rc_configs[i];
254
255	len = mixer->rc_cfg->packet_length;
256
257	init_waitqueue_head(&mixer->rc_waitq);
258	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
259	if (err < 0)
260		return err;
261	snprintf(hwdep->name, sizeof(hwdep->name),
262		 "%s remote control", mixer->chip->card->shortname);
263	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
264	hwdep->private_data = mixer;
265	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
266	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
267	hwdep->exclusive = 1;
268
269	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
270	if (!mixer->rc_urb)
271		return -ENOMEM;
272	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
273	if (!mixer->rc_setup_packet) {
274		usb_free_urb(mixer->rc_urb);
275		mixer->rc_urb = NULL;
276		return -ENOMEM;
277	}
278	mixer->rc_setup_packet->bRequestType =
279		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
280	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
281	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
282	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
283	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
284	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
285			     usb_rcvctrlpipe(mixer->chip->dev, 0),
286			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
287			     snd_usb_soundblaster_remote_complete, mixer);
288	return 0;
289}
290
291#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
292
293static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
294{
295	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
296	return 0;
297}
298
299static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
300				    int value, int index)
301{
302	struct snd_usb_audio *chip = mixer->chip;
303	int err;
304
305	err = snd_usb_lock_shutdown(chip);
306	if (err < 0)
307		return err;
308
309	if (chip->usb_id == USB_ID(0x041e, 0x3042))
310		err = snd_usb_ctl_msg(chip->dev,
311			      usb_sndctrlpipe(chip->dev, 0), 0x24,
312			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
313			      !value, 0, NULL, 0);
314	/* USB X-Fi S51 Pro */
315	if (chip->usb_id == USB_ID(0x041e, 0x30df))
316		err = snd_usb_ctl_msg(chip->dev,
317			      usb_sndctrlpipe(chip->dev, 0), 0x24,
318			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
319			      !value, 0, NULL, 0);
320	else
321		err = snd_usb_ctl_msg(chip->dev,
322			      usb_sndctrlpipe(chip->dev, 0), 0x24,
323			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
324			      value, index + 2, NULL, 0);
325	snd_usb_unlock_shutdown(chip);
326	return err;
327}
328
329static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
330				 struct snd_ctl_elem_value *ucontrol)
331{
332	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
333	struct usb_mixer_interface *mixer = list->mixer;
334	int index = kcontrol->private_value & 0xff;
335	unsigned int value = ucontrol->value.integer.value[0];
336	int old_value = kcontrol->private_value >> 8;
337	int err;
338
339	if (value > 1)
340		return -EINVAL;
341	if (value == old_value)
342		return 0;
343	kcontrol->private_value = (value << 8) | index;
344	err = snd_audigy2nx_led_update(mixer, value, index);
345	return err < 0 ? err : 1;
346}
347
348static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
349{
350	int priv_value = list->kctl->private_value;
351
352	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
353					priv_value & 0xff);
354}
355
356/* name and private_value are set dynamically */
357static const struct snd_kcontrol_new snd_audigy2nx_control = {
358	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
359	.info = snd_audigy2nx_led_info,
360	.get = snd_audigy2nx_led_get,
361	.put = snd_audigy2nx_led_put,
362};
363
364static const char * const snd_audigy2nx_led_names[] = {
365	"CMSS LED Switch",
366	"Power LED Switch",
367	"Dolby Digital LED Switch",
368};
369
370static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
371{
372	int i, err;
373
374	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
375		struct snd_kcontrol_new knew;
376
377		/* USB X-Fi S51 doesn't have a CMSS LED */
378		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
379			continue;
380		/* USB X-Fi S51 Pro doesn't have one either */
381		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
382			continue;
383		if (i > 1 && /* Live24ext has 2 LEDs only */
384			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
385			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
386			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
387			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
388			break;
389
390		knew = snd_audigy2nx_control;
391		knew.name = snd_audigy2nx_led_names[i];
392		knew.private_value = (1 << 8) | i; /* LED on as default */
393		err = add_single_ctl_with_resume(mixer, 0,
394						 snd_audigy2nx_led_resume,
395						 &knew, NULL);
396		if (err < 0)
397			return err;
398	}
399	return 0;
400}
401
402static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
403				    struct snd_info_buffer *buffer)
404{
405	static const struct sb_jack {
406		int unitid;
407		const char *name;
408	}  jacks_audigy2nx[] = {
409		{4,  "dig in "},
410		{7,  "line in"},
411		{19, "spk out"},
412		{20, "hph out"},
413		{-1, NULL}
414	}, jacks_live24ext[] = {
415		{4,  "line in"}, /* &1=Line, &2=Mic*/
416		{3,  "hph out"}, /* headphones */
417		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
418		{-1, NULL}
419	};
420	const struct sb_jack *jacks;
421	struct usb_mixer_interface *mixer = entry->private_data;
422	int i, err;
423	u8 buf[3];
424
425	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
426	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
427		jacks = jacks_audigy2nx;
428	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
429		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
430		jacks = jacks_live24ext;
431	else
432		return;
433
434	for (i = 0; jacks[i].name; ++i) {
435		snd_iprintf(buffer, "%s: ", jacks[i].name);
436		err = snd_usb_lock_shutdown(mixer->chip);
437		if (err < 0)
438			return;
439		err = snd_usb_ctl_msg(mixer->chip->dev,
440				      usb_rcvctrlpipe(mixer->chip->dev, 0),
441				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
442				      USB_RECIP_INTERFACE, 0,
443				      jacks[i].unitid << 8, buf, 3);
444		snd_usb_unlock_shutdown(mixer->chip);
445		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
446			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
447		else
448			snd_iprintf(buffer, "?\n");
449	}
450}
451
452/* EMU0204 */
453static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
454				      struct snd_ctl_elem_info *uinfo)
455{
456	static const char * const texts[2] = {"1/2", "3/4"};
457
458	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
459}
460
461static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
462				     struct snd_ctl_elem_value *ucontrol)
463{
464	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
465	return 0;
466}
467
468static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
469					int value)
470{
471	struct snd_usb_audio *chip = mixer->chip;
472	int err;
473	unsigned char buf[2];
474
475	err = snd_usb_lock_shutdown(chip);
476	if (err < 0)
477		return err;
478
479	buf[0] = 0x01;
480	buf[1] = value ? 0x02 : 0x01;
481	err = snd_usb_ctl_msg(chip->dev,
482		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
483		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
484		      0x0400, 0x0e00, buf, 2);
485	snd_usb_unlock_shutdown(chip);
486	return err;
487}
488
489static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
490				     struct snd_ctl_elem_value *ucontrol)
491{
492	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
493	struct usb_mixer_interface *mixer = list->mixer;
494	unsigned int value = ucontrol->value.enumerated.item[0];
495	int err;
496
497	if (value > 1)
498		return -EINVAL;
499
500	if (value == kcontrol->private_value)
501		return 0;
502
503	kcontrol->private_value = value;
504	err = snd_emu0204_ch_switch_update(mixer, value);
505	return err < 0 ? err : 1;
506}
507
508static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
509{
510	return snd_emu0204_ch_switch_update(list->mixer,
511					    list->kctl->private_value);
512}
513
514static const struct snd_kcontrol_new snd_emu0204_control = {
515	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
516	.name = "Front Jack Channels",
517	.info = snd_emu0204_ch_switch_info,
518	.get = snd_emu0204_ch_switch_get,
519	.put = snd_emu0204_ch_switch_put,
520	.private_value = 0,
521};
522
523static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
524{
525	return add_single_ctl_with_resume(mixer, 0,
526					  snd_emu0204_ch_switch_resume,
527					  &snd_emu0204_control, NULL);
528}
529
530/* ASUS Xonar U1 / U3 controls */
531
532static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
533				   struct snd_ctl_elem_value *ucontrol)
534{
535	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
536	return 0;
537}
538
539static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
540				      unsigned char status)
541{
542	struct snd_usb_audio *chip = mixer->chip;
543	int err;
544
545	err = snd_usb_lock_shutdown(chip);
546	if (err < 0)
547		return err;
548	err = snd_usb_ctl_msg(chip->dev,
549			      usb_sndctrlpipe(chip->dev, 0), 0x08,
550			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
551			      50, 0, &status, 1);
552	snd_usb_unlock_shutdown(chip);
553	return err;
554}
555
556static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
557				   struct snd_ctl_elem_value *ucontrol)
558{
559	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
560	u8 old_status, new_status;
561	int err;
562
563	old_status = kcontrol->private_value;
564	if (ucontrol->value.integer.value[0])
565		new_status = old_status | 0x02;
566	else
567		new_status = old_status & ~0x02;
568	if (new_status == old_status)
569		return 0;
570
571	kcontrol->private_value = new_status;
572	err = snd_xonar_u1_switch_update(list->mixer, new_status);
573	return err < 0 ? err : 1;
574}
575
576static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
577{
578	return snd_xonar_u1_switch_update(list->mixer,
579					  list->kctl->private_value);
580}
581
582static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
583	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
584	.name = "Digital Playback Switch",
585	.info = snd_ctl_boolean_mono_info,
586	.get = snd_xonar_u1_switch_get,
587	.put = snd_xonar_u1_switch_put,
588	.private_value = 0x05,
589};
590
591static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
592{
593	return add_single_ctl_with_resume(mixer, 0,
594					  snd_xonar_u1_switch_resume,
595					  &snd_xonar_u1_output_switch, NULL);
596}
597
598/* Digidesign Mbox 1 helper functions */
599
600static int snd_mbox1_is_spdif_synced(struct snd_usb_audio *chip)
601{
602	unsigned char buff[3];
603	int err;
604	int is_spdif_synced;
605
606	/* Read clock source */
607	err = snd_usb_ctl_msg(chip->dev,
608			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
609			      USB_DIR_IN |
610			      USB_TYPE_CLASS |
611			      USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
612	if (err < 0)
613		return err;
614
615	/* spdif sync: buff is all zeroes */
616	is_spdif_synced = !(buff[0] | buff[1] | buff[2]);
617	return is_spdif_synced;
618}
619
620static int snd_mbox1_set_clk_source(struct snd_usb_audio *chip, int rate_or_zero)
621{
622	/* 2 possibilities:	Internal    -> expects sample rate
623	 *			S/PDIF sync -> expects rate = 0
624	 */
625	unsigned char buff[3];
626
627	buff[0] = (rate_or_zero >>  0) & 0xff;
628	buff[1] = (rate_or_zero >>  8) & 0xff;
629	buff[2] = (rate_or_zero >> 16) & 0xff;
630
631	/* Set clock source */
632	return snd_usb_ctl_msg(chip->dev,
633			       usb_sndctrlpipe(chip->dev, 0), 0x1,
634			       USB_TYPE_CLASS |
635			       USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
636}
637
638static int snd_mbox1_is_spdif_input(struct snd_usb_audio *chip)
639{
640	/* Hardware gives 2 possibilities:	ANALOG Source  -> 0x01
641	 *					S/PDIF Source  -> 0x02
642	 */
643	int err;
644	unsigned char source[1];
645
646	/* Read input source */
647	err = snd_usb_ctl_msg(chip->dev,
648			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
649			      USB_DIR_IN |
650			      USB_TYPE_CLASS |
651			      USB_RECIP_INTERFACE, 0x00, 0x500, source, 1);
652	if (err < 0)
653		return err;
654
655	return (source[0] == 2);
656}
657
658static int snd_mbox1_set_input_source(struct snd_usb_audio *chip, int is_spdif)
659{
660	/* NB: Setting the input source to S/PDIF resets the clock source to S/PDIF
661	 * Hardware expects 2 possibilities:	ANALOG Source  -> 0x01
662	 *					S/PDIF Source  -> 0x02
663	 */
664	unsigned char buff[1];
665
666	buff[0] = (is_spdif & 1) + 1;
667
668	/* Set input source */
669	return snd_usb_ctl_msg(chip->dev,
670			       usb_sndctrlpipe(chip->dev, 0), 0x1,
671			       USB_TYPE_CLASS |
672			       USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
673}
674
675/* Digidesign Mbox 1 clock source switch (internal/spdif) */
676
677static int snd_mbox1_clk_switch_get(struct snd_kcontrol *kctl,
678				    struct snd_ctl_elem_value *ucontrol)
679{
680	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
681	struct snd_usb_audio *chip = list->mixer->chip;
682	int err;
683
684	err = snd_usb_lock_shutdown(chip);
685	if (err < 0)
686		goto err;
687
688	err = snd_mbox1_is_spdif_synced(chip);
689	if (err < 0)
690		goto err;
691
692	kctl->private_value = err;
693	err = 0;
694	ucontrol->value.enumerated.item[0] = kctl->private_value;
695err:
696	snd_usb_unlock_shutdown(chip);
697	return err;
698}
699
700static int snd_mbox1_clk_switch_update(struct usb_mixer_interface *mixer, int is_spdif_sync)
701{
702	struct snd_usb_audio *chip = mixer->chip;
703	int err;
704
705	err = snd_usb_lock_shutdown(chip);
706	if (err < 0)
707		return err;
708
709	err = snd_mbox1_is_spdif_input(chip);
710	if (err < 0)
711		goto err;
712
713	err = snd_mbox1_is_spdif_synced(chip);
714	if (err < 0)
715		goto err;
716
717	/* FIXME: hardcoded sample rate */
718	err = snd_mbox1_set_clk_source(chip, is_spdif_sync ? 0 : 48000);
719	if (err < 0)
720		goto err;
721
722	err = snd_mbox1_is_spdif_synced(chip);
723err:
724	snd_usb_unlock_shutdown(chip);
725	return err;
726}
727
728static int snd_mbox1_clk_switch_put(struct snd_kcontrol *kctl,
729				    struct snd_ctl_elem_value *ucontrol)
730{
731	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
732	struct usb_mixer_interface *mixer = list->mixer;
733	int err;
734	bool cur_val, new_val;
735
736	cur_val = kctl->private_value;
737	new_val = ucontrol->value.enumerated.item[0];
738	if (cur_val == new_val)
739		return 0;
740
741	kctl->private_value = new_val;
742	err = snd_mbox1_clk_switch_update(mixer, new_val);
743	return err < 0 ? err : 1;
744}
745
746static int snd_mbox1_clk_switch_info(struct snd_kcontrol *kcontrol,
747				     struct snd_ctl_elem_info *uinfo)
748{
749	static const char *const texts[2] = {
750		"Internal",
751		"S/PDIF"
752	};
753
754	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
755}
756
757static int snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list *list)
758{
759	return snd_mbox1_clk_switch_update(list->mixer, list->kctl->private_value);
760}
761
762/* Digidesign Mbox 1 input source switch (analog/spdif) */
763
764static int snd_mbox1_src_switch_get(struct snd_kcontrol *kctl,
765				    struct snd_ctl_elem_value *ucontrol)
766{
767	ucontrol->value.enumerated.item[0] = kctl->private_value;
768	return 0;
769}
770
771static int snd_mbox1_src_switch_update(struct usb_mixer_interface *mixer, int is_spdif_input)
772{
773	struct snd_usb_audio *chip = mixer->chip;
774	int err;
775
776	err = snd_usb_lock_shutdown(chip);
777	if (err < 0)
778		return err;
779
780	err = snd_mbox1_is_spdif_input(chip);
781	if (err < 0)
782		goto err;
783
784	err = snd_mbox1_set_input_source(chip, is_spdif_input);
785	if (err < 0)
786		goto err;
787
788	err = snd_mbox1_is_spdif_input(chip);
789	if (err < 0)
790		goto err;
791
792	err = snd_mbox1_is_spdif_synced(chip);
793err:
794	snd_usb_unlock_shutdown(chip);
795	return err;
796}
797
798static int snd_mbox1_src_switch_put(struct snd_kcontrol *kctl,
799				    struct snd_ctl_elem_value *ucontrol)
800{
801	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
802	struct usb_mixer_interface *mixer = list->mixer;
803	int err;
804	bool cur_val, new_val;
805
806	cur_val = kctl->private_value;
807	new_val = ucontrol->value.enumerated.item[0];
808	if (cur_val == new_val)
809		return 0;
810
811	kctl->private_value = new_val;
812	err = snd_mbox1_src_switch_update(mixer, new_val);
813	return err < 0 ? err : 1;
814}
815
816static int snd_mbox1_src_switch_info(struct snd_kcontrol *kcontrol,
817				     struct snd_ctl_elem_info *uinfo)
818{
819	static const char *const texts[2] = {
820		"Analog",
821		"S/PDIF"
822	};
823
824	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
825}
826
827static int snd_mbox1_src_switch_resume(struct usb_mixer_elem_list *list)
828{
829	return snd_mbox1_src_switch_update(list->mixer, list->kctl->private_value);
830}
831
832static const struct snd_kcontrol_new snd_mbox1_clk_switch = {
833	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
834	.name = "Clock Source",
835	.index = 0,
836	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
837	.info = snd_mbox1_clk_switch_info,
838	.get = snd_mbox1_clk_switch_get,
839	.put = snd_mbox1_clk_switch_put,
840	.private_value = 0
841};
842
843static const struct snd_kcontrol_new snd_mbox1_src_switch = {
844	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
845	.name = "Input Source",
846	.index = 1,
847	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
848	.info = snd_mbox1_src_switch_info,
849	.get = snd_mbox1_src_switch_get,
850	.put = snd_mbox1_src_switch_put,
851	.private_value = 0
852};
853
854static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer)
855{
856	int err;
857	err = add_single_ctl_with_resume(mixer, 0,
858					 snd_mbox1_clk_switch_resume,
859					 &snd_mbox1_clk_switch, NULL);
860	if (err < 0)
861		return err;
862
863	return add_single_ctl_with_resume(mixer, 1,
864					  snd_mbox1_src_switch_resume,
865					  &snd_mbox1_src_switch, NULL);
866}
867
868/* Native Instruments device quirks */
869
870#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
871
872static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
873				   struct snd_kcontrol *kctl)
874{
875	struct usb_device *dev = mixer->chip->dev;
876	unsigned int pval = kctl->private_value;
877	u8 value;
878	int err;
879
880	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
881			      (pval >> 16) & 0xff,
882			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
883			      0, pval & 0xffff, &value, 1);
884	if (err < 0) {
885		dev_err(&dev->dev,
886			"unable to issue vendor read request (ret = %d)", err);
887		return err;
888	}
889
890	kctl->private_value |= ((unsigned int)value << 24);
891	return 0;
892}
893
894static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
895					     struct snd_ctl_elem_value *ucontrol)
896{
897	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
898	return 0;
899}
900
901static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
902{
903	struct snd_usb_audio *chip = list->mixer->chip;
904	unsigned int pval = list->kctl->private_value;
905	int err;
906
907	err = snd_usb_lock_shutdown(chip);
908	if (err < 0)
909		return err;
910	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
911			      (pval >> 16) & 0xff,
912			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
913			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
914	snd_usb_unlock_shutdown(chip);
915	return err;
916}
917
918static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
919					     struct snd_ctl_elem_value *ucontrol)
920{
921	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
922	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
923	u8 newval = ucontrol->value.integer.value[0];
924	int err;
925
926	if (oldval == newval)
927		return 0;
928
929	kcontrol->private_value &= ~(0xff << 24);
930	kcontrol->private_value |= (unsigned int)newval << 24;
931	err = snd_ni_update_cur_val(list);
932	return err < 0 ? err : 1;
933}
934
935static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
936	{
937		.name = "Direct Thru Channel A",
938		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
939	},
940	{
941		.name = "Direct Thru Channel B",
942		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
943	},
944	{
945		.name = "Phono Input Channel A",
946		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
947	},
948	{
949		.name = "Phono Input Channel B",
950		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
951	},
952};
953
954static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
955	{
956		.name = "Direct Thru Channel A",
957		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
958	},
959	{
960		.name = "Direct Thru Channel B",
961		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
962	},
963	{
964		.name = "Direct Thru Channel C",
965		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
966	},
967	{
968		.name = "Direct Thru Channel D",
969		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
970	},
971	{
972		.name = "Phono Input Channel A",
973		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
974	},
975	{
976		.name = "Phono Input Channel B",
977		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
978	},
979	{
980		.name = "Phono Input Channel C",
981		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
982	},
983	{
984		.name = "Phono Input Channel D",
985		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
986	},
987};
988
989static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
990					      const struct snd_kcontrol_new *kc,
991					      unsigned int count)
992{
993	int i, err = 0;
994	struct snd_kcontrol_new template = {
995		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
996		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
997		.get = snd_nativeinstruments_control_get,
998		.put = snd_nativeinstruments_control_put,
999		.info = snd_ctl_boolean_mono_info,
1000	};
1001
1002	for (i = 0; i < count; i++) {
1003		struct usb_mixer_elem_list *list;
1004
1005		template.name = kc[i].name;
1006		template.private_value = kc[i].private_value;
1007
1008		err = add_single_ctl_with_resume(mixer, 0,
1009						 snd_ni_update_cur_val,
1010						 &template, &list);
1011		if (err < 0)
1012			break;
1013		snd_ni_control_init_val(mixer, list->kctl);
1014	}
1015
1016	return err;
1017}
1018
1019/* M-Audio FastTrack Ultra quirks */
1020/* FTU Effect switch (also used by C400/C600) */
1021static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
1022					struct snd_ctl_elem_info *uinfo)
1023{
1024	static const char *const texts[8] = {
1025		"Room 1", "Room 2", "Room 3", "Hall 1",
1026		"Hall 2", "Plate", "Delay", "Echo"
1027	};
1028
1029	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1030}
1031
1032static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
1033				   struct snd_kcontrol *kctl)
1034{
1035	struct usb_device *dev = mixer->chip->dev;
1036	unsigned int pval = kctl->private_value;
1037	int err;
1038	unsigned char value[2];
1039
1040	value[0] = 0x00;
1041	value[1] = 0x00;
1042
1043	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
1044			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
1045			      pval & 0xff00,
1046			      snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
1047			      value, 2);
1048	if (err < 0)
1049		return err;
1050
1051	kctl->private_value |= (unsigned int)value[0] << 24;
1052	return 0;
1053}
1054
1055static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
1056					struct snd_ctl_elem_value *ucontrol)
1057{
1058	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
1059	return 0;
1060}
1061
1062static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
1063{
1064	struct snd_usb_audio *chip = list->mixer->chip;
1065	unsigned int pval = list->kctl->private_value;
1066	unsigned char value[2];
1067	int err;
1068
1069	value[0] = pval >> 24;
1070	value[1] = 0;
1071
1072	err = snd_usb_lock_shutdown(chip);
1073	if (err < 0)
1074		return err;
1075	err = snd_usb_ctl_msg(chip->dev,
1076			      usb_sndctrlpipe(chip->dev, 0),
1077			      UAC_SET_CUR,
1078			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
1079			      pval & 0xff00,
1080			      snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
1081			      value, 2);
1082	snd_usb_unlock_shutdown(chip);
1083	return err;
1084}
1085
1086static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
1087					struct snd_ctl_elem_value *ucontrol)
1088{
1089	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
1090	unsigned int pval = list->kctl->private_value;
1091	int cur_val, err, new_val;
1092
1093	cur_val = pval >> 24;
1094	new_val = ucontrol->value.enumerated.item[0];
1095	if (cur_val == new_val)
1096		return 0;
1097
1098	kctl->private_value &= ~(0xff << 24);
1099	kctl->private_value |= new_val << 24;
1100	err = snd_ftu_eff_switch_update(list);
1101	return err < 0 ? err : 1;
1102}
1103
1104static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
1105	int validx, int bUnitID)
1106{
1107	static struct snd_kcontrol_new template = {
1108		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1109		.name = "Effect Program Switch",
1110		.index = 0,
1111		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1112		.info = snd_ftu_eff_switch_info,
1113		.get = snd_ftu_eff_switch_get,
1114		.put = snd_ftu_eff_switch_put
1115	};
1116	struct usb_mixer_elem_list *list;
1117	int err;
1118
1119	err = add_single_ctl_with_resume(mixer, bUnitID,
1120					 snd_ftu_eff_switch_update,
1121					 &template, &list);
1122	if (err < 0)
1123		return err;
1124	list->kctl->private_value = (validx << 8) | bUnitID;
1125	snd_ftu_eff_switch_init(mixer, list->kctl);
1126	return 0;
1127}
1128
1129/* Create volume controls for FTU devices*/
1130static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
1131{
1132	char name[64];
1133	unsigned int control, cmask;
1134	int in, out, err;
1135
1136	const unsigned int id = 5;
1137	const int val_type = USB_MIXER_S16;
1138
1139	for (out = 0; out < 8; out++) {
1140		control = out + 1;
1141		for (in = 0; in < 8; in++) {
1142			cmask = 1 << in;
1143			snprintf(name, sizeof(name),
1144				"AIn%d - Out%d Capture Volume",
1145				in  + 1, out + 1);
1146			err = snd_create_std_mono_ctl(mixer, id, control,
1147							cmask, val_type, name,
1148							&snd_usb_mixer_vol_tlv);
1149			if (err < 0)
1150				return err;
1151		}
1152		for (in = 8; in < 16; in++) {
1153			cmask = 1 << in;
1154			snprintf(name, sizeof(name),
1155				"DIn%d - Out%d Playback Volume",
1156				in - 7, out + 1);
1157			err = snd_create_std_mono_ctl(mixer, id, control,
1158							cmask, val_type, name,
1159							&snd_usb_mixer_vol_tlv);
1160			if (err < 0)
1161				return err;
1162		}
1163	}
1164
1165	return 0;
1166}
1167
1168/* This control needs a volume quirk, see mixer.c */
1169static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1170{
1171	static const char name[] = "Effect Volume";
1172	const unsigned int id = 6;
1173	const int val_type = USB_MIXER_U8;
1174	const unsigned int control = 2;
1175	const unsigned int cmask = 0;
1176
1177	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1178					name, snd_usb_mixer_vol_tlv);
1179}
1180
1181/* This control needs a volume quirk, see mixer.c */
1182static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1183{
1184	static const char name[] = "Effect Duration";
1185	const unsigned int id = 6;
1186	const int val_type = USB_MIXER_S16;
1187	const unsigned int control = 3;
1188	const unsigned int cmask = 0;
1189
1190	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1191					name, snd_usb_mixer_vol_tlv);
1192}
1193
1194/* This control needs a volume quirk, see mixer.c */
1195static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1196{
1197	static const char name[] = "Effect Feedback Volume";
1198	const unsigned int id = 6;
1199	const int val_type = USB_MIXER_U8;
1200	const unsigned int control = 4;
1201	const unsigned int cmask = 0;
1202
1203	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1204					name, NULL);
1205}
1206
1207static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1208{
1209	unsigned int cmask;
1210	int err, ch;
1211	char name[48];
1212
1213	const unsigned int id = 7;
1214	const int val_type = USB_MIXER_S16;
1215	const unsigned int control = 7;
1216
1217	for (ch = 0; ch < 4; ++ch) {
1218		cmask = 1 << ch;
1219		snprintf(name, sizeof(name),
1220			"Effect Return %d Volume", ch + 1);
1221		err = snd_create_std_mono_ctl(mixer, id, control,
1222						cmask, val_type, name,
1223						snd_usb_mixer_vol_tlv);
1224		if (err < 0)
1225			return err;
1226	}
1227
1228	return 0;
1229}
1230
1231static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1232{
1233	unsigned int  cmask;
1234	int err, ch;
1235	char name[48];
1236
1237	const unsigned int id = 5;
1238	const int val_type = USB_MIXER_S16;
1239	const unsigned int control = 9;
1240
1241	for (ch = 0; ch < 8; ++ch) {
1242		cmask = 1 << ch;
1243		snprintf(name, sizeof(name),
1244			"Effect Send AIn%d Volume", ch + 1);
1245		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1246						val_type, name,
1247						snd_usb_mixer_vol_tlv);
1248		if (err < 0)
1249			return err;
1250	}
1251	for (ch = 8; ch < 16; ++ch) {
1252		cmask = 1 << ch;
1253		snprintf(name, sizeof(name),
1254			"Effect Send DIn%d Volume", ch - 7);
1255		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1256						val_type, name,
1257						snd_usb_mixer_vol_tlv);
1258		if (err < 0)
1259			return err;
1260	}
1261	return 0;
1262}
1263
1264static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1265{
1266	int err;
1267
1268	err = snd_ftu_create_volume_ctls(mixer);
1269	if (err < 0)
1270		return err;
1271
1272	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1273	if (err < 0)
1274		return err;
1275
1276	err = snd_ftu_create_effect_volume_ctl(mixer);
1277	if (err < 0)
1278		return err;
1279
1280	err = snd_ftu_create_effect_duration_ctl(mixer);
1281	if (err < 0)
1282		return err;
1283
1284	err = snd_ftu_create_effect_feedback_ctl(mixer);
1285	if (err < 0)
1286		return err;
1287
1288	err = snd_ftu_create_effect_return_ctls(mixer);
1289	if (err < 0)
1290		return err;
1291
1292	err = snd_ftu_create_effect_send_ctls(mixer);
1293	if (err < 0)
1294		return err;
1295
1296	return 0;
1297}
1298
1299void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1300			       unsigned char samplerate_id)
1301{
1302	struct usb_mixer_interface *mixer;
1303	struct usb_mixer_elem_info *cval;
1304	int unitid = 12; /* SampleRate ExtensionUnit ID */
1305
1306	list_for_each_entry(mixer, &chip->mixer_list, list) {
1307		if (mixer->id_elems[unitid]) {
1308			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);
1309			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1310						    cval->control << 8,
1311						    samplerate_id);
1312			snd_usb_mixer_notify_id(mixer, unitid);
1313			break;
1314		}
1315	}
1316}
1317
1318/* M-Audio Fast Track C400/C600 */
1319/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1320static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1321{
1322	char name[64];
1323	unsigned int cmask, offset;
1324	int out, chan, err;
1325	int num_outs = 0;
1326	int num_ins = 0;
1327
1328	const unsigned int id = 0x40;
1329	const int val_type = USB_MIXER_S16;
1330	const int control = 1;
1331
1332	switch (mixer->chip->usb_id) {
1333	case USB_ID(0x0763, 0x2030):
1334		num_outs = 6;
1335		num_ins = 4;
1336		break;
1337	case USB_ID(0x0763, 0x2031):
1338		num_outs = 8;
1339		num_ins = 6;
1340		break;
1341	}
1342
1343	for (chan = 0; chan < num_outs + num_ins; chan++) {
1344		for (out = 0; out < num_outs; out++) {
1345			if (chan < num_outs) {
1346				snprintf(name, sizeof(name),
1347					"PCM%d-Out%d Playback Volume",
1348					chan + 1, out + 1);
1349			} else {
1350				snprintf(name, sizeof(name),
1351					"In%d-Out%d Playback Volume",
1352					chan - num_outs + 1, out + 1);
1353			}
1354
1355			cmask = (out == 0) ? 0 : 1 << (out - 1);
1356			offset = chan * num_outs;
1357			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1358						cmask, val_type, offset, name,
1359						&snd_usb_mixer_vol_tlv);
1360			if (err < 0)
1361				return err;
1362		}
1363	}
1364
1365	return 0;
1366}
1367
1368/* This control needs a volume quirk, see mixer.c */
1369static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1370{
1371	static const char name[] = "Effect Volume";
1372	const unsigned int id = 0x43;
1373	const int val_type = USB_MIXER_U8;
1374	const unsigned int control = 3;
1375	const unsigned int cmask = 0;
1376
1377	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1378					name, snd_usb_mixer_vol_tlv);
1379}
1380
1381/* This control needs a volume quirk, see mixer.c */
1382static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1383{
1384	static const char name[] = "Effect Duration";
1385	const unsigned int id = 0x43;
1386	const int val_type = USB_MIXER_S16;
1387	const unsigned int control = 4;
1388	const unsigned int cmask = 0;
1389
1390	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1391					name, snd_usb_mixer_vol_tlv);
1392}
1393
1394/* This control needs a volume quirk, see mixer.c */
1395static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1396{
1397	static const char name[] = "Effect Feedback Volume";
1398	const unsigned int id = 0x43;
1399	const int val_type = USB_MIXER_U8;
1400	const unsigned int control = 5;
1401	const unsigned int cmask = 0;
1402
1403	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1404					name, NULL);
1405}
1406
1407static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1408{
1409	char name[64];
1410	unsigned int cmask;
1411	int chan, err;
1412	int num_outs = 0;
1413	int num_ins = 0;
1414
1415	const unsigned int id = 0x42;
1416	const int val_type = USB_MIXER_S16;
1417	const int control = 1;
1418
1419	switch (mixer->chip->usb_id) {
1420	case USB_ID(0x0763, 0x2030):
1421		num_outs = 6;
1422		num_ins = 4;
1423		break;
1424	case USB_ID(0x0763, 0x2031):
1425		num_outs = 8;
1426		num_ins = 6;
1427		break;
1428	}
1429
1430	for (chan = 0; chan < num_outs + num_ins; chan++) {
1431		if (chan < num_outs) {
1432			snprintf(name, sizeof(name),
1433				"Effect Send DOut%d",
1434				chan + 1);
1435		} else {
1436			snprintf(name, sizeof(name),
1437				"Effect Send AIn%d",
1438				chan - num_outs + 1);
1439		}
1440
1441		cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1442		err = snd_create_std_mono_ctl(mixer, id, control,
1443						cmask, val_type, name,
1444						&snd_usb_mixer_vol_tlv);
1445		if (err < 0)
1446			return err;
1447	}
1448
1449	return 0;
1450}
1451
1452static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1453{
1454	char name[64];
1455	unsigned int cmask;
1456	int chan, err;
1457	int num_outs = 0;
1458	int offset = 0;
1459
1460	const unsigned int id = 0x40;
1461	const int val_type = USB_MIXER_S16;
1462	const int control = 1;
1463
1464	switch (mixer->chip->usb_id) {
1465	case USB_ID(0x0763, 0x2030):
1466		num_outs = 6;
1467		offset = 0x3c;
1468		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1469		break;
1470	case USB_ID(0x0763, 0x2031):
1471		num_outs = 8;
1472		offset = 0x70;
1473		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1474		break;
1475	}
1476
1477	for (chan = 0; chan < num_outs; chan++) {
1478		snprintf(name, sizeof(name),
1479			"Effect Return %d",
1480			chan + 1);
1481
1482		cmask = (chan == 0) ? 0 :
1483			1 << (chan + (chan % 2) * num_outs - 1);
1484		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1485						cmask, val_type, offset, name,
1486						&snd_usb_mixer_vol_tlv);
1487		if (err < 0)
1488			return err;
1489	}
1490
1491	return 0;
1492}
1493
1494static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1495{
1496	int err;
1497
1498	err = snd_c400_create_vol_ctls(mixer);
1499	if (err < 0)
1500		return err;
1501
1502	err = snd_c400_create_effect_vol_ctls(mixer);
1503	if (err < 0)
1504		return err;
1505
1506	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1507	if (err < 0)
1508		return err;
1509
1510	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1511	if (err < 0)
1512		return err;
1513
1514	err = snd_c400_create_effect_volume_ctl(mixer);
1515	if (err < 0)
1516		return err;
1517
1518	err = snd_c400_create_effect_duration_ctl(mixer);
1519	if (err < 0)
1520		return err;
1521
1522	err = snd_c400_create_effect_feedback_ctl(mixer);
1523	if (err < 0)
1524		return err;
1525
1526	return 0;
1527}
1528
1529/*
1530 * The mixer units for Ebox-44 are corrupt, and even where they
1531 * are valid they presents mono controls as L and R channels of
1532 * stereo. So we provide a good mixer here.
1533 */
1534static const struct std_mono_table ebox44_table[] = {
1535	{
1536		.unitid = 4,
1537		.control = 1,
1538		.cmask = 0x0,
1539		.val_type = USB_MIXER_INV_BOOLEAN,
1540		.name = "Headphone Playback Switch"
1541	},
1542	{
1543		.unitid = 4,
1544		.control = 2,
1545		.cmask = 0x1,
1546		.val_type = USB_MIXER_S16,
1547		.name = "Headphone A Mix Playback Volume"
1548	},
1549	{
1550		.unitid = 4,
1551		.control = 2,
1552		.cmask = 0x2,
1553		.val_type = USB_MIXER_S16,
1554		.name = "Headphone B Mix Playback Volume"
1555	},
1556
1557	{
1558		.unitid = 7,
1559		.control = 1,
1560		.cmask = 0x0,
1561		.val_type = USB_MIXER_INV_BOOLEAN,
1562		.name = "Output Playback Switch"
1563	},
1564	{
1565		.unitid = 7,
1566		.control = 2,
1567		.cmask = 0x1,
1568		.val_type = USB_MIXER_S16,
1569		.name = "Output A Playback Volume"
1570	},
1571	{
1572		.unitid = 7,
1573		.control = 2,
1574		.cmask = 0x2,
1575		.val_type = USB_MIXER_S16,
1576		.name = "Output B Playback Volume"
1577	},
1578
1579	{
1580		.unitid = 10,
1581		.control = 1,
1582		.cmask = 0x0,
1583		.val_type = USB_MIXER_INV_BOOLEAN,
1584		.name = "Input Capture Switch"
1585	},
1586	{
1587		.unitid = 10,
1588		.control = 2,
1589		.cmask = 0x1,
1590		.val_type = USB_MIXER_S16,
1591		.name = "Input A Capture Volume"
1592	},
1593	{
1594		.unitid = 10,
1595		.control = 2,
1596		.cmask = 0x2,
1597		.val_type = USB_MIXER_S16,
1598		.name = "Input B Capture Volume"
1599	},
1600
1601	{}
1602};
1603
1604/* Audio Advantage Micro II findings:
1605 *
1606 * Mapping spdif AES bits to vendor register.bit:
1607 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1608 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1609 * AES2: [0 0 0 0 0 0 0 0]
1610 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1611 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1612 *
1613 * power on values:
1614 * r2: 0x10
1615 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1616 *           just after it to 0xa0, presumably it disables/mutes some analog
1617 *           parts when there is no audio.)
1618 * r9: 0x28
1619 *
1620 * Optical transmitter on/off:
1621 * vendor register.bit: 9.1
1622 * 0 - on (0x28 register value)
1623 * 1 - off (0x2a register value)
1624 *
1625 */
1626static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1627	struct snd_ctl_elem_info *uinfo)
1628{
1629	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1630	uinfo->count = 1;
1631	return 0;
1632}
1633
1634static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1635	struct snd_ctl_elem_value *ucontrol)
1636{
1637	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1638	struct snd_usb_audio *chip = list->mixer->chip;
1639	int err;
1640	struct usb_interface *iface;
1641	struct usb_host_interface *alts;
1642	unsigned int ep;
1643	unsigned char data[3];
1644	int rate;
1645
1646	err = snd_usb_lock_shutdown(chip);
1647	if (err < 0)
1648		return err;
1649
1650	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1651	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1652	ucontrol->value.iec958.status[2] = 0x00;
1653
1654	/* use known values for that card: interface#1 altsetting#1 */
1655	iface = usb_ifnum_to_if(chip->dev, 1);
1656	if (!iface || iface->num_altsetting < 2) {
1657		err = -EINVAL;
1658		goto end;
1659	}
1660	alts = &iface->altsetting[1];
1661	if (get_iface_desc(alts)->bNumEndpoints < 1) {
1662		err = -EINVAL;
1663		goto end;
1664	}
1665	ep = get_endpoint(alts, 0)->bEndpointAddress;
1666
1667	err = snd_usb_ctl_msg(chip->dev,
1668			usb_rcvctrlpipe(chip->dev, 0),
1669			UAC_GET_CUR,
1670			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1671			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1672			ep,
1673			data,
1674			sizeof(data));
1675	if (err < 0)
1676		goto end;
1677
1678	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1679	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1680			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1681
1682	err = 0;
1683 end:
1684	snd_usb_unlock_shutdown(chip);
1685	return err;
1686}
1687
1688static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1689{
1690	struct snd_usb_audio *chip = list->mixer->chip;
1691	unsigned int pval = list->kctl->private_value;
1692	u8 reg;
1693	int err;
1694
1695	err = snd_usb_lock_shutdown(chip);
1696	if (err < 0)
1697		return err;
1698
1699	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1700	err = snd_usb_ctl_msg(chip->dev,
1701			usb_sndctrlpipe(chip->dev, 0),
1702			UAC_SET_CUR,
1703			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1704			reg,
1705			2,
1706			NULL,
1707			0);
1708	if (err < 0)
1709		goto end;
1710
1711	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1712	reg |= (pval >> 12) & 0x0f;
1713	err = snd_usb_ctl_msg(chip->dev,
1714			usb_sndctrlpipe(chip->dev, 0),
1715			UAC_SET_CUR,
1716			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1717			reg,
1718			3,
1719			NULL,
1720			0);
1721	if (err < 0)
1722		goto end;
1723
1724 end:
1725	snd_usb_unlock_shutdown(chip);
1726	return err;
1727}
1728
1729static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1730	struct snd_ctl_elem_value *ucontrol)
1731{
1732	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1733	unsigned int pval, pval_old;
1734	int err;
1735
1736	pval = pval_old = kcontrol->private_value;
1737	pval &= 0xfffff0f0;
1738	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1739	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1740
1741	pval &= 0xffff0fff;
1742	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1743
1744	/* The frequency bits in AES3 cannot be set via register access. */
1745
1746	/* Silently ignore any bits from the request that cannot be set. */
1747
1748	if (pval == pval_old)
1749		return 0;
1750
1751	kcontrol->private_value = pval;
1752	err = snd_microii_spdif_default_update(list);
1753	return err < 0 ? err : 1;
1754}
1755
1756static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1757	struct snd_ctl_elem_value *ucontrol)
1758{
1759	ucontrol->value.iec958.status[0] = 0x0f;
1760	ucontrol->value.iec958.status[1] = 0xff;
1761	ucontrol->value.iec958.status[2] = 0x00;
1762	ucontrol->value.iec958.status[3] = 0x00;
1763
1764	return 0;
1765}
1766
1767static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1768	struct snd_ctl_elem_value *ucontrol)
1769{
1770	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1771
1772	return 0;
1773}
1774
1775static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1776{
1777	struct snd_usb_audio *chip = list->mixer->chip;
1778	u8 reg = list->kctl->private_value;
1779	int err;
1780
1781	err = snd_usb_lock_shutdown(chip);
1782	if (err < 0)
1783		return err;
1784
1785	err = snd_usb_ctl_msg(chip->dev,
1786			usb_sndctrlpipe(chip->dev, 0),
1787			UAC_SET_CUR,
1788			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1789			reg,
1790			9,
1791			NULL,
1792			0);
1793
1794	snd_usb_unlock_shutdown(chip);
1795	return err;
1796}
1797
1798static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1799	struct snd_ctl_elem_value *ucontrol)
1800{
1801	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1802	u8 reg;
1803	int err;
1804
1805	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1806	if (reg != list->kctl->private_value)
1807		return 0;
1808
1809	kcontrol->private_value = reg;
1810	err = snd_microii_spdif_switch_update(list);
1811	return err < 0 ? err : 1;
1812}
1813
1814static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1815	{
1816		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1817		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1818		.info =     snd_microii_spdif_info,
1819		.get =      snd_microii_spdif_default_get,
1820		.put =      snd_microii_spdif_default_put,
1821		.private_value = 0x00000100UL,/* reset value */
1822	},
1823	{
1824		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1825		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1826		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1827		.info =     snd_microii_spdif_info,
1828		.get =      snd_microii_spdif_mask_get,
1829	},
1830	{
1831		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1832		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1833		.info =     snd_ctl_boolean_mono_info,
1834		.get =      snd_microii_spdif_switch_get,
1835		.put =      snd_microii_spdif_switch_put,
1836		.private_value = 0x00000028UL,/* reset value */
1837	}
1838};
1839
1840static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1841{
1842	int err, i;
1843	static const usb_mixer_elem_resume_func_t resume_funcs[] = {
1844		snd_microii_spdif_default_update,
1845		NULL,
1846		snd_microii_spdif_switch_update
1847	};
1848
1849	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1850		err = add_single_ctl_with_resume(mixer, 0,
1851						 resume_funcs[i],
1852						 &snd_microii_mixer_spdif[i],
1853						 NULL);
1854		if (err < 0)
1855			return err;
1856	}
1857
1858	return 0;
1859}
1860
1861/* Creative Sound Blaster E1 */
1862
1863static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
1864					  struct snd_ctl_elem_value *ucontrol)
1865{
1866	ucontrol->value.integer.value[0] = kcontrol->private_value;
1867	return 0;
1868}
1869
1870static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
1871					     unsigned char state)
1872{
1873	struct snd_usb_audio *chip = mixer->chip;
1874	int err;
1875	unsigned char buff[2];
1876
1877	buff[0] = 0x02;
1878	buff[1] = state ? 0x02 : 0x00;
1879
1880	err = snd_usb_lock_shutdown(chip);
1881	if (err < 0)
1882		return err;
1883	err = snd_usb_ctl_msg(chip->dev,
1884			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
1885			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
1886			0x0202, 3, buff, 2);
1887	snd_usb_unlock_shutdown(chip);
1888	return err;
1889}
1890
1891static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
1892					  struct snd_ctl_elem_value *ucontrol)
1893{
1894	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1895	unsigned char value = !!ucontrol->value.integer.value[0];
1896	int err;
1897
1898	if (kcontrol->private_value == value)
1899		return 0;
1900	kcontrol->private_value = value;
1901	err = snd_soundblaster_e1_switch_update(list->mixer, value);
1902	return err < 0 ? err : 1;
1903}
1904
1905static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
1906{
1907	return snd_soundblaster_e1_switch_update(list->mixer,
1908						 list->kctl->private_value);
1909}
1910
1911static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
1912					   struct snd_ctl_elem_info *uinfo)
1913{
1914	static const char *const texts[2] = {
1915		"Mic", "Aux"
1916	};
1917
1918	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1919}
1920
1921static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
1922	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1923	.name = "Input Source",
1924	.info = snd_soundblaster_e1_switch_info,
1925	.get = snd_soundblaster_e1_switch_get,
1926	.put = snd_soundblaster_e1_switch_put,
1927	.private_value = 0,
1928};
1929
1930static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
1931{
1932	return add_single_ctl_with_resume(mixer, 0,
1933					  snd_soundblaster_e1_switch_resume,
1934					  &snd_soundblaster_e1_input_switch,
1935					  NULL);
1936}
1937
1938/*
1939 * Dell WD15 dock jack detection
1940 *
1941 * The WD15 contains an ALC4020 USB audio controller and ALC3263 audio codec
1942 * from Realtek. It is a UAC 1 device, and UAC 1 does not support jack
1943 * detection. Instead, jack detection works by sending HD Audio commands over
1944 * vendor-type USB messages.
1945 */
1946
1947#define HDA_VERB_CMD(V, N, D) (((N) << 20) | ((V) << 8) | (D))
1948
1949#define REALTEK_HDA_VALUE 0x0038
1950
1951#define REALTEK_HDA_SET		62
1952#define REALTEK_MANUAL_MODE	72
1953#define REALTEK_HDA_GET_OUT	88
1954#define REALTEK_HDA_GET_IN	89
1955
1956#define REALTEK_AUDIO_FUNCTION_GROUP	0x01
1957#define REALTEK_LINE1			0x1a
1958#define REALTEK_VENDOR_REGISTERS	0x20
1959#define REALTEK_HP_OUT			0x21
1960
1961#define REALTEK_CBJ_CTRL2 0x50
1962
1963#define REALTEK_JACK_INTERRUPT_NODE 5
1964
1965#define REALTEK_MIC_FLAG 0x100
1966
1967static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd)
1968{
1969	struct usb_device *dev = chip->dev;
1970	__be32 buf = cpu_to_be32(cmd);
1971
1972	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET,
1973			       USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
1974			       REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1975}
1976
1977static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value)
1978{
1979	struct usb_device *dev = chip->dev;
1980	int err;
1981	__be32 buf = cpu_to_be32(cmd);
1982
1983	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT,
1984			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
1985			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1986	if (err < 0)
1987		return err;
1988	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), REALTEK_HDA_GET_IN,
1989			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_IN,
1990			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1991	if (err < 0)
1992		return err;
1993
1994	*value = be32_to_cpu(buf);
1995	return 0;
1996}
1997
1998static int realtek_ctl_connector_get(struct snd_kcontrol *kcontrol,
1999				     struct snd_ctl_elem_value *ucontrol)
2000{
2001	struct usb_mixer_elem_info *cval = kcontrol->private_data;
2002	struct snd_usb_audio *chip = cval->head.mixer->chip;
2003	u32 pv = kcontrol->private_value;
2004	u32 node_id = pv & 0xff;
2005	u32 sense;
2006	u32 cbj_ctrl2;
2007	bool presence;
2008	int err;
2009
2010	err = snd_usb_lock_shutdown(chip);
2011	if (err < 0)
2012		return err;
2013	err = realtek_hda_get(chip,
2014			      HDA_VERB_CMD(AC_VERB_GET_PIN_SENSE, node_id, 0),
2015			      &sense);
2016	if (err < 0)
2017		goto err;
2018	if (pv & REALTEK_MIC_FLAG) {
2019		err = realtek_hda_set(chip,
2020				      HDA_VERB_CMD(AC_VERB_SET_COEF_INDEX,
2021						   REALTEK_VENDOR_REGISTERS,
2022						   REALTEK_CBJ_CTRL2));
2023		if (err < 0)
2024			goto err;
2025		err = realtek_hda_get(chip,
2026				      HDA_VERB_CMD(AC_VERB_GET_PROC_COEF,
2027						   REALTEK_VENDOR_REGISTERS, 0),
2028				      &cbj_ctrl2);
2029		if (err < 0)
2030			goto err;
2031	}
2032err:
2033	snd_usb_unlock_shutdown(chip);
2034	if (err < 0)
2035		return err;
2036
2037	presence = sense & AC_PINSENSE_PRESENCE;
2038	if (pv & REALTEK_MIC_FLAG)
2039		presence = presence && (cbj_ctrl2 & 0x0070) == 0x0070;
2040	ucontrol->value.integer.value[0] = presence;
2041	return 0;
2042}
2043
2044static const struct snd_kcontrol_new realtek_connector_ctl_ro = {
2045	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
2046	.name = "", /* will be filled later manually */
2047	.access = SNDRV_CTL_ELEM_ACCESS_READ,
2048	.info = snd_ctl_boolean_mono_info,
2049	.get = realtek_ctl_connector_get,
2050};
2051
2052static int realtek_resume_jack(struct usb_mixer_elem_list *list)
2053{
2054	snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
2055		       &list->kctl->id);
2056	return 0;
2057}
2058
2059static int realtek_add_jack(struct usb_mixer_interface *mixer,
2060			    char *name, u32 val)
2061{
2062	struct usb_mixer_elem_info *cval;
2063	struct snd_kcontrol *kctl;
2064
2065	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
2066	if (!cval)
2067		return -ENOMEM;
2068	snd_usb_mixer_elem_init_std(&cval->head, mixer,
2069				    REALTEK_JACK_INTERRUPT_NODE);
2070	cval->head.resume = realtek_resume_jack;
2071	cval->val_type = USB_MIXER_BOOLEAN;
2072	cval->channels = 1;
2073	cval->min = 0;
2074	cval->max = 1;
2075	kctl = snd_ctl_new1(&realtek_connector_ctl_ro, cval);
2076	if (!kctl) {
2077		kfree(cval);
2078		return -ENOMEM;
2079	}
2080	kctl->private_value = val;
2081	strscpy(kctl->id.name, name, sizeof(kctl->id.name));
2082	kctl->private_free = snd_usb_mixer_elem_free;
2083	return snd_usb_mixer_add_control(&cval->head, kctl);
2084}
2085
2086static int dell_dock_mixer_create(struct usb_mixer_interface *mixer)
2087{
2088	int err;
2089	struct usb_device *dev = mixer->chip->dev;
2090
2091	/* Power down the audio codec to avoid loud pops in the next step. */
2092	realtek_hda_set(mixer->chip,
2093			HDA_VERB_CMD(AC_VERB_SET_POWER_STATE,
2094				     REALTEK_AUDIO_FUNCTION_GROUP,
2095				     AC_PWRST_D3));
2096
2097	/*
2098	 * Turn off 'manual mode' in case it was enabled. This removes the need
2099	 * to power cycle the dock after it was attached to a Windows machine.
2100	 */
2101	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_MANUAL_MODE,
2102			USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
2103			0, 0, NULL, 0);
2104
2105	err = realtek_add_jack(mixer, "Line Out Jack", REALTEK_LINE1);
2106	if (err < 0)
2107		return err;
2108	err = realtek_add_jack(mixer, "Headphone Jack", REALTEK_HP_OUT);
2109	if (err < 0)
2110		return err;
2111	err = realtek_add_jack(mixer, "Headset Mic Jack",
2112			       REALTEK_HP_OUT | REALTEK_MIC_FLAG);
2113	if (err < 0)
2114		return err;
2115	return 0;
2116}
2117
2118static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id)
2119{
2120	u16 buf = 0;
2121
2122	snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
2123			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
2124			(UAC_FU_VOLUME << 8) | ch,
2125			snd_usb_ctrl_intf(chip) | (id << 8),
2126			&buf, 2);
2127}
2128
2129static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)
2130{
2131	/* fix to 0dB playback volumes */
2132	dell_dock_init_vol(mixer->chip, 1, 16);
2133	dell_dock_init_vol(mixer->chip, 2, 16);
2134	dell_dock_init_vol(mixer->chip, 1, 19);
2135	dell_dock_init_vol(mixer->chip, 2, 19);
2136	return 0;
2137}
2138
2139/* RME Class Compliant device quirks */
2140
2141#define SND_RME_GET_STATUS1			23
2142#define SND_RME_GET_CURRENT_FREQ		17
2143#define SND_RME_CLK_SYSTEM_SHIFT		16
2144#define SND_RME_CLK_SYSTEM_MASK			0x1f
2145#define SND_RME_CLK_AES_SHIFT			8
2146#define SND_RME_CLK_SPDIF_SHIFT			12
2147#define SND_RME_CLK_AES_SPDIF_MASK		0xf
2148#define SND_RME_CLK_SYNC_SHIFT			6
2149#define SND_RME_CLK_SYNC_MASK			0x3
2150#define SND_RME_CLK_FREQMUL_SHIFT		18
2151#define SND_RME_CLK_FREQMUL_MASK		0x7
2152#define SND_RME_CLK_SYSTEM(x) \
2153	((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK)
2154#define SND_RME_CLK_AES(x) \
2155	((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2156#define SND_RME_CLK_SPDIF(x) \
2157	((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2158#define SND_RME_CLK_SYNC(x) \
2159	((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK)
2160#define SND_RME_CLK_FREQMUL(x) \
2161	((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK)
2162#define SND_RME_CLK_AES_LOCK			0x1
2163#define SND_RME_CLK_AES_SYNC			0x4
2164#define SND_RME_CLK_SPDIF_LOCK			0x2
2165#define SND_RME_CLK_SPDIF_SYNC			0x8
2166#define SND_RME_SPDIF_IF_SHIFT			4
2167#define SND_RME_SPDIF_FORMAT_SHIFT		5
2168#define SND_RME_BINARY_MASK			0x1
2169#define SND_RME_SPDIF_IF(x) \
2170	((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK)
2171#define SND_RME_SPDIF_FORMAT(x) \
2172	((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK)
2173
2174static const u32 snd_rme_rate_table[] = {
2175	32000, 44100, 48000, 50000,
2176	64000, 88200, 96000, 100000,
2177	128000, 176400, 192000, 200000,
2178	256000,	352800, 384000, 400000,
2179	512000, 705600, 768000, 800000
2180};
2181/* maximum number of items for AES and S/PDIF rates for above table */
2182#define SND_RME_RATE_IDX_AES_SPDIF_NUM		12
2183
2184enum snd_rme_domain {
2185	SND_RME_DOMAIN_SYSTEM,
2186	SND_RME_DOMAIN_AES,
2187	SND_RME_DOMAIN_SPDIF
2188};
2189
2190enum snd_rme_clock_status {
2191	SND_RME_CLOCK_NOLOCK,
2192	SND_RME_CLOCK_LOCK,
2193	SND_RME_CLOCK_SYNC
2194};
2195
2196static int snd_rme_read_value(struct snd_usb_audio *chip,
2197			      unsigned int item,
2198			      u32 *value)
2199{
2200	struct usb_device *dev = chip->dev;
2201	int err;
2202
2203	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
2204			      item,
2205			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2206			      0, 0,
2207			      value, sizeof(*value));
2208	if (err < 0)
2209		dev_err(&dev->dev,
2210			"unable to issue vendor read request %d (ret = %d)",
2211			item, err);
2212	return err;
2213}
2214
2215static int snd_rme_get_status1(struct snd_kcontrol *kcontrol,
2216			       u32 *status1)
2217{
2218	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2219	struct snd_usb_audio *chip = list->mixer->chip;
2220	int err;
2221
2222	err = snd_usb_lock_shutdown(chip);
2223	if (err < 0)
2224		return err;
2225	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1);
2226	snd_usb_unlock_shutdown(chip);
2227	return err;
2228}
2229
2230static int snd_rme_rate_get(struct snd_kcontrol *kcontrol,
2231			    struct snd_ctl_elem_value *ucontrol)
2232{
2233	u32 status1;
2234	u32 rate = 0;
2235	int idx;
2236	int err;
2237
2238	err = snd_rme_get_status1(kcontrol, &status1);
2239	if (err < 0)
2240		return err;
2241	switch (kcontrol->private_value) {
2242	case SND_RME_DOMAIN_SYSTEM:
2243		idx = SND_RME_CLK_SYSTEM(status1);
2244		if (idx < ARRAY_SIZE(snd_rme_rate_table))
2245			rate = snd_rme_rate_table[idx];
2246		break;
2247	case SND_RME_DOMAIN_AES:
2248		idx = SND_RME_CLK_AES(status1);
2249		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2250			rate = snd_rme_rate_table[idx];
2251		break;
2252	case SND_RME_DOMAIN_SPDIF:
2253		idx = SND_RME_CLK_SPDIF(status1);
2254		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2255			rate = snd_rme_rate_table[idx];
2256		break;
2257	default:
2258		return -EINVAL;
2259	}
2260	ucontrol->value.integer.value[0] = rate;
2261	return 0;
2262}
2263
2264static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol,
2265				  struct snd_ctl_elem_value *ucontrol)
2266{
2267	u32 status1;
2268	int idx = SND_RME_CLOCK_NOLOCK;
2269	int err;
2270
2271	err = snd_rme_get_status1(kcontrol, &status1);
2272	if (err < 0)
2273		return err;
2274	switch (kcontrol->private_value) {
2275	case SND_RME_DOMAIN_AES:  /* AES */
2276		if (status1 & SND_RME_CLK_AES_SYNC)
2277			idx = SND_RME_CLOCK_SYNC;
2278		else if (status1 & SND_RME_CLK_AES_LOCK)
2279			idx = SND_RME_CLOCK_LOCK;
2280		break;
2281	case SND_RME_DOMAIN_SPDIF:  /* SPDIF */
2282		if (status1 & SND_RME_CLK_SPDIF_SYNC)
2283			idx = SND_RME_CLOCK_SYNC;
2284		else if (status1 & SND_RME_CLK_SPDIF_LOCK)
2285			idx = SND_RME_CLOCK_LOCK;
2286		break;
2287	default:
2288		return -EINVAL;
2289	}
2290	ucontrol->value.enumerated.item[0] = idx;
2291	return 0;
2292}
2293
2294static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol,
2295				struct snd_ctl_elem_value *ucontrol)
2296{
2297	u32 status1;
2298	int err;
2299
2300	err = snd_rme_get_status1(kcontrol, &status1);
2301	if (err < 0)
2302		return err;
2303	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1);
2304	return 0;
2305}
2306
2307static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol,
2308				    struct snd_ctl_elem_value *ucontrol)
2309{
2310	u32 status1;
2311	int err;
2312
2313	err = snd_rme_get_status1(kcontrol, &status1);
2314	if (err < 0)
2315		return err;
2316	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1);
2317	return 0;
2318}
2319
2320static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol,
2321				   struct snd_ctl_elem_value *ucontrol)
2322{
2323	u32 status1;
2324	int err;
2325
2326	err = snd_rme_get_status1(kcontrol, &status1);
2327	if (err < 0)
2328		return err;
2329	ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1);
2330	return 0;
2331}
2332
2333static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol,
2334				    struct snd_ctl_elem_value *ucontrol)
2335{
2336	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2337	struct snd_usb_audio *chip = list->mixer->chip;
2338	u32 status1;
2339	const u64 num = 104857600000000ULL;
2340	u32 den;
2341	unsigned int freq;
2342	int err;
2343
2344	err = snd_usb_lock_shutdown(chip);
2345	if (err < 0)
2346		return err;
2347	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1);
2348	if (err < 0)
2349		goto end;
2350	err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den);
2351	if (err < 0)
2352		goto end;
2353	freq = (den == 0) ? 0 : div64_u64(num, den);
2354	freq <<= SND_RME_CLK_FREQMUL(status1);
2355	ucontrol->value.integer.value[0] = freq;
2356
2357end:
2358	snd_usb_unlock_shutdown(chip);
2359	return err;
2360}
2361
2362static int snd_rme_rate_info(struct snd_kcontrol *kcontrol,
2363			     struct snd_ctl_elem_info *uinfo)
2364{
2365	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2366	uinfo->count = 1;
2367	switch (kcontrol->private_value) {
2368	case SND_RME_DOMAIN_SYSTEM:
2369		uinfo->value.integer.min = 32000;
2370		uinfo->value.integer.max = 800000;
2371		break;
2372	case SND_RME_DOMAIN_AES:
2373	case SND_RME_DOMAIN_SPDIF:
2374	default:
2375		uinfo->value.integer.min = 0;
2376		uinfo->value.integer.max = 200000;
2377	}
2378	uinfo->value.integer.step = 0;
2379	return 0;
2380}
2381
2382static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol,
2383				   struct snd_ctl_elem_info *uinfo)
2384{
2385	static const char *const sync_states[] = {
2386		"No Lock", "Lock", "Sync"
2387	};
2388
2389	return snd_ctl_enum_info(uinfo, 1,
2390				 ARRAY_SIZE(sync_states), sync_states);
2391}
2392
2393static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol,
2394				 struct snd_ctl_elem_info *uinfo)
2395{
2396	static const char *const spdif_if[] = {
2397		"Coaxial", "Optical"
2398	};
2399
2400	return snd_ctl_enum_info(uinfo, 1,
2401				 ARRAY_SIZE(spdif_if), spdif_if);
2402}
2403
2404static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol,
2405				     struct snd_ctl_elem_info *uinfo)
2406{
2407	static const char *const optical_type[] = {
2408		"Consumer", "Professional"
2409	};
2410
2411	return snd_ctl_enum_info(uinfo, 1,
2412				 ARRAY_SIZE(optical_type), optical_type);
2413}
2414
2415static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol,
2416				    struct snd_ctl_elem_info *uinfo)
2417{
2418	static const char *const sync_sources[] = {
2419		"Internal", "AES", "SPDIF", "Internal"
2420	};
2421
2422	return snd_ctl_enum_info(uinfo, 1,
2423				 ARRAY_SIZE(sync_sources), sync_sources);
2424}
2425
2426static const struct snd_kcontrol_new snd_rme_controls[] = {
2427	{
2428		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2429		.name = "AES Rate",
2430		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2431		.info = snd_rme_rate_info,
2432		.get = snd_rme_rate_get,
2433		.private_value = SND_RME_DOMAIN_AES
2434	},
2435	{
2436		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2437		.name = "AES Sync",
2438		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2439		.info = snd_rme_sync_state_info,
2440		.get = snd_rme_sync_state_get,
2441		.private_value = SND_RME_DOMAIN_AES
2442	},
2443	{
2444		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2445		.name = "SPDIF Rate",
2446		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2447		.info = snd_rme_rate_info,
2448		.get = snd_rme_rate_get,
2449		.private_value = SND_RME_DOMAIN_SPDIF
2450	},
2451	{
2452		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2453		.name = "SPDIF Sync",
2454		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2455		.info = snd_rme_sync_state_info,
2456		.get = snd_rme_sync_state_get,
2457		.private_value = SND_RME_DOMAIN_SPDIF
2458	},
2459	{
2460		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2461		.name = "SPDIF Interface",
2462		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2463		.info = snd_rme_spdif_if_info,
2464		.get = snd_rme_spdif_if_get,
2465	},
2466	{
2467		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2468		.name = "SPDIF Format",
2469		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2470		.info = snd_rme_spdif_format_info,
2471		.get = snd_rme_spdif_format_get,
2472	},
2473	{
2474		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2475		.name = "Sync Source",
2476		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2477		.info = snd_rme_sync_source_info,
2478		.get = snd_rme_sync_source_get
2479	},
2480	{
2481		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2482		.name = "System Rate",
2483		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2484		.info = snd_rme_rate_info,
2485		.get = snd_rme_rate_get,
2486		.private_value = SND_RME_DOMAIN_SYSTEM
2487	},
2488	{
2489		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2490		.name = "Current Frequency",
2491		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2492		.info = snd_rme_rate_info,
2493		.get = snd_rme_current_freq_get
2494	}
2495};
2496
2497static int snd_rme_controls_create(struct usb_mixer_interface *mixer)
2498{
2499	int err, i;
2500
2501	for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) {
2502		err = add_single_ctl_with_resume(mixer, 0,
2503						 NULL,
2504						 &snd_rme_controls[i],
2505						 NULL);
2506		if (err < 0)
2507			return err;
2508	}
2509
2510	return 0;
2511}
2512
2513/*
2514 * RME Babyface Pro (FS)
2515 *
2516 * These devices exposes a couple of DSP functions via request to EP0.
2517 * Switches are available via control registers, while routing is controlled
2518 * by controlling the volume on each possible crossing point.
2519 * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with
2520 * 0dB being at dec. 32768.
2521 */
2522enum {
2523	SND_BBFPRO_CTL_REG1 = 0,
2524	SND_BBFPRO_CTL_REG2
2525};
2526
2527#define SND_BBFPRO_CTL_REG_MASK 1
2528#define SND_BBFPRO_CTL_IDX_MASK 0xff
2529#define SND_BBFPRO_CTL_IDX_SHIFT 1
2530#define SND_BBFPRO_CTL_VAL_MASK 1
2531#define SND_BBFPRO_CTL_VAL_SHIFT 9
2532#define SND_BBFPRO_CTL_REG1_CLK_MASTER 0
2533#define SND_BBFPRO_CTL_REG1_CLK_OPTICAL 1
2534#define SND_BBFPRO_CTL_REG1_SPDIF_PRO 7
2535#define SND_BBFPRO_CTL_REG1_SPDIF_EMPH 8
2536#define SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL 10
2537#define SND_BBFPRO_CTL_REG2_48V_AN1 0
2538#define SND_BBFPRO_CTL_REG2_48V_AN2 1
2539#define SND_BBFPRO_CTL_REG2_SENS_IN3 2
2540#define SND_BBFPRO_CTL_REG2_SENS_IN4 3
2541#define SND_BBFPRO_CTL_REG2_PAD_AN1 4
2542#define SND_BBFPRO_CTL_REG2_PAD_AN2 5
2543
2544#define SND_BBFPRO_MIXER_IDX_MASK 0x1ff
2545#define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff
2546#define SND_BBFPRO_MIXER_VAL_SHIFT 9
2547#define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf
2548#define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB
2549
2550#define SND_BBFPRO_USBREQ_CTL_REG1 0x10
2551#define SND_BBFPRO_USBREQ_CTL_REG2 0x17
2552#define SND_BBFPRO_USBREQ_MIXER 0x12
2553
2554static int snd_bbfpro_ctl_update(struct usb_mixer_interface *mixer, u8 reg,
2555				 u8 index, u8 value)
2556{
2557	int err;
2558	u16 usb_req, usb_idx, usb_val;
2559	struct snd_usb_audio *chip = mixer->chip;
2560
2561	err = snd_usb_lock_shutdown(chip);
2562	if (err < 0)
2563		return err;
2564
2565	if (reg == SND_BBFPRO_CTL_REG1) {
2566		usb_req = SND_BBFPRO_USBREQ_CTL_REG1;
2567		if (index == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2568			usb_idx = 3;
2569			usb_val = value ? 3 : 0;
2570		} else {
2571			usb_idx = 1 << index;
2572			usb_val = value ? usb_idx : 0;
2573		}
2574	} else {
2575		usb_req = SND_BBFPRO_USBREQ_CTL_REG2;
2576		usb_idx = 1 << index;
2577		usb_val = value ? usb_idx : 0;
2578	}
2579
2580	err = snd_usb_ctl_msg(chip->dev,
2581			      usb_sndctrlpipe(chip->dev, 0), usb_req,
2582			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2583			      usb_val, usb_idx, NULL, 0);
2584
2585	snd_usb_unlock_shutdown(chip);
2586	return err;
2587}
2588
2589static int snd_bbfpro_ctl_get(struct snd_kcontrol *kcontrol,
2590			      struct snd_ctl_elem_value *ucontrol)
2591{
2592	u8 reg, idx, val;
2593	int pv;
2594
2595	pv = kcontrol->private_value;
2596	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2597	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2598	val = kcontrol->private_value >> SND_BBFPRO_CTL_VAL_SHIFT;
2599
2600	if ((reg == SND_BBFPRO_CTL_REG1 &&
2601	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2602	    (reg == SND_BBFPRO_CTL_REG2 &&
2603	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2604	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2605		ucontrol->value.enumerated.item[0] = val;
2606	} else {
2607		ucontrol->value.integer.value[0] = val;
2608	}
2609	return 0;
2610}
2611
2612static int snd_bbfpro_ctl_info(struct snd_kcontrol *kcontrol,
2613			       struct snd_ctl_elem_info *uinfo)
2614{
2615	u8 reg, idx;
2616	int pv;
2617
2618	pv = kcontrol->private_value;
2619	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2620	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2621
2622	if (reg == SND_BBFPRO_CTL_REG1 &&
2623	    idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2624		static const char * const texts[2] = {
2625			"AutoSync",
2626			"Internal"
2627		};
2628		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2629	} else if (reg == SND_BBFPRO_CTL_REG2 &&
2630		   (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2631		    idx == SND_BBFPRO_CTL_REG2_SENS_IN4)) {
2632		static const char * const texts[2] = {
2633			"-10dBV",
2634			"+4dBu"
2635		};
2636		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2637	}
2638
2639	uinfo->count = 1;
2640	uinfo->value.integer.min = 0;
2641	uinfo->value.integer.max = 1;
2642	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2643	return 0;
2644}
2645
2646static int snd_bbfpro_ctl_put(struct snd_kcontrol *kcontrol,
2647			      struct snd_ctl_elem_value *ucontrol)
2648{
2649	int err;
2650	u8 reg, idx;
2651	int old_value, pv, val;
2652
2653	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2654	struct usb_mixer_interface *mixer = list->mixer;
2655
2656	pv = kcontrol->private_value;
2657	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2658	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2659	old_value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2660
2661	if ((reg == SND_BBFPRO_CTL_REG1 &&
2662	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2663	    (reg == SND_BBFPRO_CTL_REG2 &&
2664	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2665	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2666		val = ucontrol->value.enumerated.item[0];
2667	} else {
2668		val = ucontrol->value.integer.value[0];
2669	}
2670
2671	if (val > 1)
2672		return -EINVAL;
2673
2674	if (val == old_value)
2675		return 0;
2676
2677	kcontrol->private_value = reg
2678		| ((idx & SND_BBFPRO_CTL_IDX_MASK) << SND_BBFPRO_CTL_IDX_SHIFT)
2679		| ((val & SND_BBFPRO_CTL_VAL_MASK) << SND_BBFPRO_CTL_VAL_SHIFT);
2680
2681	err = snd_bbfpro_ctl_update(mixer, reg, idx, val);
2682	return err < 0 ? err : 1;
2683}
2684
2685static int snd_bbfpro_ctl_resume(struct usb_mixer_elem_list *list)
2686{
2687	u8 reg, idx;
2688	int value, pv;
2689
2690	pv = list->kctl->private_value;
2691	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2692	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2693	value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2694
2695	return snd_bbfpro_ctl_update(list->mixer, reg, idx, value);
2696}
2697
2698static int snd_bbfpro_vol_update(struct usb_mixer_interface *mixer, u16 index,
2699				 u32 value)
2700{
2701	struct snd_usb_audio *chip = mixer->chip;
2702	int err;
2703	u16 idx;
2704	u16 usb_idx, usb_val;
2705	u32 v;
2706
2707	err = snd_usb_lock_shutdown(chip);
2708	if (err < 0)
2709		return err;
2710
2711	idx = index & SND_BBFPRO_MIXER_IDX_MASK;
2712	// 18 bit linear volume, split so 2 bits end up in index.
2713	v = value & SND_BBFPRO_MIXER_VAL_MASK;
2714	usb_idx = idx | (v & 0x3) << 14;
2715	usb_val = (v >> 2) & 0xffff;
2716
2717	err = snd_usb_ctl_msg(chip->dev,
2718			      usb_sndctrlpipe(chip->dev, 0),
2719			      SND_BBFPRO_USBREQ_MIXER,
2720			      USB_DIR_OUT | USB_TYPE_VENDOR |
2721			      USB_RECIP_DEVICE,
2722			      usb_val, usb_idx, NULL, 0);
2723
2724	snd_usb_unlock_shutdown(chip);
2725	return err;
2726}
2727
2728static int snd_bbfpro_vol_get(struct snd_kcontrol *kcontrol,
2729			      struct snd_ctl_elem_value *ucontrol)
2730{
2731	ucontrol->value.integer.value[0] =
2732		kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2733	return 0;
2734}
2735
2736static int snd_bbfpro_vol_info(struct snd_kcontrol *kcontrol,
2737			       struct snd_ctl_elem_info *uinfo)
2738{
2739	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2740	uinfo->count = 1;
2741	uinfo->value.integer.min = SND_BBFPRO_MIXER_VAL_MIN;
2742	uinfo->value.integer.max = SND_BBFPRO_MIXER_VAL_MAX;
2743	return 0;
2744}
2745
2746static int snd_bbfpro_vol_put(struct snd_kcontrol *kcontrol,
2747			      struct snd_ctl_elem_value *ucontrol)
2748{
2749	int err;
2750	u16 idx;
2751	u32 new_val, old_value, uvalue;
2752	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2753	struct usb_mixer_interface *mixer = list->mixer;
2754
2755	uvalue = ucontrol->value.integer.value[0];
2756	idx = kcontrol->private_value & SND_BBFPRO_MIXER_IDX_MASK;
2757	old_value = kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2758
2759	if (uvalue > SND_BBFPRO_MIXER_VAL_MAX)
2760		return -EINVAL;
2761
2762	if (uvalue == old_value)
2763		return 0;
2764
2765	new_val = uvalue & SND_BBFPRO_MIXER_VAL_MASK;
2766
2767	kcontrol->private_value = idx
2768		| (new_val << SND_BBFPRO_MIXER_VAL_SHIFT);
2769
2770	err = snd_bbfpro_vol_update(mixer, idx, new_val);
2771	return err < 0 ? err : 1;
2772}
2773
2774static int snd_bbfpro_vol_resume(struct usb_mixer_elem_list *list)
2775{
2776	int pv = list->kctl->private_value;
2777	u16 idx = pv & SND_BBFPRO_MIXER_IDX_MASK;
2778	u32 val = (pv >> SND_BBFPRO_MIXER_VAL_SHIFT)
2779		& SND_BBFPRO_MIXER_VAL_MASK;
2780	return snd_bbfpro_vol_update(list->mixer, idx, val);
2781}
2782
2783// Predfine elements
2784static const struct snd_kcontrol_new snd_bbfpro_ctl_control = {
2785	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2786	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2787	.index = 0,
2788	.info = snd_bbfpro_ctl_info,
2789	.get = snd_bbfpro_ctl_get,
2790	.put = snd_bbfpro_ctl_put
2791};
2792
2793static const struct snd_kcontrol_new snd_bbfpro_vol_control = {
2794	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2795	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2796	.index = 0,
2797	.info = snd_bbfpro_vol_info,
2798	.get = snd_bbfpro_vol_get,
2799	.put = snd_bbfpro_vol_put
2800};
2801
2802static int snd_bbfpro_ctl_add(struct usb_mixer_interface *mixer, u8 reg,
2803			      u8 index, char *name)
2804{
2805	struct snd_kcontrol_new knew = snd_bbfpro_ctl_control;
2806
2807	knew.name = name;
2808	knew.private_value = (reg & SND_BBFPRO_CTL_REG_MASK)
2809		| ((index & SND_BBFPRO_CTL_IDX_MASK)
2810			<< SND_BBFPRO_CTL_IDX_SHIFT);
2811
2812	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_ctl_resume,
2813		&knew, NULL);
2814}
2815
2816static int snd_bbfpro_vol_add(struct usb_mixer_interface *mixer, u16 index,
2817			      char *name)
2818{
2819	struct snd_kcontrol_new knew = snd_bbfpro_vol_control;
2820
2821	knew.name = name;
2822	knew.private_value = index & SND_BBFPRO_MIXER_IDX_MASK;
2823
2824	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_vol_resume,
2825		&knew, NULL);
2826}
2827
2828static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)
2829{
2830	int err, i, o;
2831	char name[48];
2832
2833	static const char * const input[] = {
2834		"AN1", "AN2", "IN3", "IN4", "AS1", "AS2", "ADAT3",
2835		"ADAT4", "ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2836
2837	static const char * const output[] = {
2838		"AN1", "AN2", "PH3", "PH4", "AS1", "AS2", "ADAT3", "ADAT4",
2839		"ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2840
2841	for (o = 0 ; o < 12 ; ++o) {
2842		for (i = 0 ; i < 12 ; ++i) {
2843			// Line routing
2844			snprintf(name, sizeof(name),
2845				 "%s-%s-%s Playback Volume",
2846				 (i < 2 ? "Mic" : "Line"),
2847				 input[i], output[o]);
2848			err = snd_bbfpro_vol_add(mixer, (26 * o + i), name);
2849			if (err < 0)
2850				return err;
2851
2852			// PCM routing... yes, it is output remapping
2853			snprintf(name, sizeof(name),
2854				 "PCM-%s-%s Playback Volume",
2855				 output[i], output[o]);
2856			err = snd_bbfpro_vol_add(mixer, (26 * o + 12 + i),
2857						 name);
2858			if (err < 0)
2859				return err;
2860		}
2861	}
2862
2863	// Control Reg 1
2864	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2865				 SND_BBFPRO_CTL_REG1_CLK_OPTICAL,
2866				 "Sample Clock Source");
2867	if (err < 0)
2868		return err;
2869
2870	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2871				 SND_BBFPRO_CTL_REG1_SPDIF_PRO,
2872				 "IEC958 Pro Mask");
2873	if (err < 0)
2874		return err;
2875
2876	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2877				 SND_BBFPRO_CTL_REG1_SPDIF_EMPH,
2878				 "IEC958 Emphasis");
2879	if (err < 0)
2880		return err;
2881
2882	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2883				 SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL,
2884				 "IEC958 Switch");
2885	if (err < 0)
2886		return err;
2887
2888	// Control Reg 2
2889	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2890				 SND_BBFPRO_CTL_REG2_48V_AN1,
2891				 "Mic-AN1 48V");
2892	if (err < 0)
2893		return err;
2894
2895	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2896				 SND_BBFPRO_CTL_REG2_48V_AN2,
2897				 "Mic-AN2 48V");
2898	if (err < 0)
2899		return err;
2900
2901	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2902				 SND_BBFPRO_CTL_REG2_SENS_IN3,
2903				 "Line-IN3 Sens.");
2904	if (err < 0)
2905		return err;
2906
2907	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2908				 SND_BBFPRO_CTL_REG2_SENS_IN4,
2909				 "Line-IN4 Sens.");
2910	if (err < 0)
2911		return err;
2912
2913	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2914				 SND_BBFPRO_CTL_REG2_PAD_AN1,
2915				 "Mic-AN1 PAD");
2916	if (err < 0)
2917		return err;
2918
2919	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2920				 SND_BBFPRO_CTL_REG2_PAD_AN2,
2921				 "Mic-AN2 PAD");
2922	if (err < 0)
2923		return err;
2924
2925	return 0;
2926}
2927
2928/*
2929 * Pioneer DJ DJM Mixers
2930 *
2931 * These devices generally have options for soft-switching the playback and
2932 * capture sources in addition to the recording level. Although different
2933 * devices have different configurations, there seems to be canonical values
2934 * for specific capture/playback types:  See the definitions of these below.
2935 *
2936 * The wValue is masked with the stereo channel number. e.g. Setting Ch2 to
2937 * capture phono would be 0x0203. Capture, playback and capture level have
2938 * different wIndexes.
2939 */
2940
2941// Capture types
2942#define SND_DJM_CAP_LINE	0x00
2943#define SND_DJM_CAP_CDLINE	0x01
2944#define SND_DJM_CAP_DIGITAL	0x02
2945#define SND_DJM_CAP_PHONO	0x03
2946#define SND_DJM_CAP_PFADER	0x06
2947#define SND_DJM_CAP_XFADERA	0x07
2948#define SND_DJM_CAP_XFADERB	0x08
2949#define SND_DJM_CAP_MIC		0x09
2950#define SND_DJM_CAP_AUX		0x0d
2951#define SND_DJM_CAP_RECOUT	0x0a
2952#define SND_DJM_CAP_NONE	0x0f
2953#define SND_DJM_CAP_CH1PFADER	0x11
2954#define SND_DJM_CAP_CH2PFADER	0x12
2955#define SND_DJM_CAP_CH3PFADER	0x13
2956#define SND_DJM_CAP_CH4PFADER	0x14
2957
2958// Playback types
2959#define SND_DJM_PB_CH1		0x00
2960#define SND_DJM_PB_CH2		0x01
2961#define SND_DJM_PB_AUX		0x04
2962
2963#define SND_DJM_WINDEX_CAP	0x8002
2964#define SND_DJM_WINDEX_CAPLVL	0x8003
2965#define SND_DJM_WINDEX_PB	0x8016
2966
2967// kcontrol->private_value layout
2968#define SND_DJM_VALUE_MASK	0x0000ffff
2969#define SND_DJM_GROUP_MASK	0x00ff0000
2970#define SND_DJM_DEVICE_MASK	0xff000000
2971#define SND_DJM_GROUP_SHIFT	16
2972#define SND_DJM_DEVICE_SHIFT	24
2973
2974// device table index
2975// used for the snd_djm_devices table, so please update accordingly
2976#define SND_DJM_250MK2_IDX	0x0
2977#define SND_DJM_750_IDX		0x1
2978#define SND_DJM_850_IDX		0x2
2979#define SND_DJM_900NXS2_IDX	0x3
2980#define SND_DJM_750MK2_IDX	0x4
2981#define SND_DJM_450_IDX		0x5
2982
2983
2984#define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \
2985	.name = _name, \
2986	.options = snd_djm_opts_##suffix, \
2987	.noptions = ARRAY_SIZE(snd_djm_opts_##suffix), \
2988	.default_value = _default_value, \
2989	.wIndex = _windex }
2990
2991#define SND_DJM_DEVICE(suffix) { \
2992	.controls = snd_djm_ctls_##suffix, \
2993	.ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) }
2994
2995
2996struct snd_djm_device {
2997	const char *name;
2998	const struct snd_djm_ctl *controls;
2999	size_t ncontrols;
3000};
3001
3002struct snd_djm_ctl {
3003	const char *name;
3004	const u16 *options;
3005	size_t noptions;
3006	u16 default_value;
3007	u16 wIndex;
3008};
3009
3010static const char *snd_djm_get_label_caplevel(u16 wvalue)
3011{
3012	switch (wvalue) {
3013	case 0x0000:	return "-19dB";
3014	case 0x0100:	return "-15dB";
3015	case 0x0200:	return "-10dB";
3016	case 0x0300:	return "-5dB";
3017	default:	return NULL;
3018	}
3019};
3020
3021static const char *snd_djm_get_label_cap_common(u16 wvalue)
3022{
3023	switch (wvalue & 0x00ff) {
3024	case SND_DJM_CAP_LINE:		return "Control Tone LINE";
3025	case SND_DJM_CAP_CDLINE:	return "Control Tone CD/LINE";
3026	case SND_DJM_CAP_DIGITAL:	return "Control Tone DIGITAL";
3027	case SND_DJM_CAP_PHONO:		return "Control Tone PHONO";
3028	case SND_DJM_CAP_PFADER:	return "Post Fader";
3029	case SND_DJM_CAP_XFADERA:	return "Cross Fader A";
3030	case SND_DJM_CAP_XFADERB:	return "Cross Fader B";
3031	case SND_DJM_CAP_MIC:		return "Mic";
3032	case SND_DJM_CAP_RECOUT:	return "Rec Out";
3033	case SND_DJM_CAP_AUX:		return "Aux";
3034	case SND_DJM_CAP_NONE:		return "None";
3035	case SND_DJM_CAP_CH1PFADER:	return "Post Fader Ch1";
3036	case SND_DJM_CAP_CH2PFADER:	return "Post Fader Ch2";
3037	case SND_DJM_CAP_CH3PFADER:	return "Post Fader Ch3";
3038	case SND_DJM_CAP_CH4PFADER:	return "Post Fader Ch4";
3039	default:			return NULL;
3040	}
3041};
3042
3043// The DJM-850 has different values for CD/LINE and LINE capture
3044// control options than the other DJM declared in this file.
3045static const char *snd_djm_get_label_cap_850(u16 wvalue)
3046{
3047	switch (wvalue & 0x00ff) {
3048	case 0x00:		return "Control Tone CD/LINE";
3049	case 0x01:		return "Control Tone LINE";
3050	default:		return snd_djm_get_label_cap_common(wvalue);
3051	}
3052};
3053
3054static const char *snd_djm_get_label_cap(u8 device_idx, u16 wvalue)
3055{
3056	switch (device_idx) {
3057	case SND_DJM_850_IDX:		return snd_djm_get_label_cap_850(wvalue);
3058	default:			return snd_djm_get_label_cap_common(wvalue);
3059	}
3060};
3061
3062static const char *snd_djm_get_label_pb(u16 wvalue)
3063{
3064	switch (wvalue & 0x00ff) {
3065	case SND_DJM_PB_CH1:	return "Ch1";
3066	case SND_DJM_PB_CH2:	return "Ch2";
3067	case SND_DJM_PB_AUX:	return "Aux";
3068	default:		return NULL;
3069	}
3070};
3071
3072static const char *snd_djm_get_label(u8 device_idx, u16 wvalue, u16 windex)
3073{
3074	switch (windex) {
3075	case SND_DJM_WINDEX_CAPLVL:	return snd_djm_get_label_caplevel(wvalue);
3076	case SND_DJM_WINDEX_CAP:	return snd_djm_get_label_cap(device_idx, wvalue);
3077	case SND_DJM_WINDEX_PB:		return snd_djm_get_label_pb(wvalue);
3078	default:			return NULL;
3079	}
3080};
3081
3082// common DJM capture level option values
3083static const u16 snd_djm_opts_cap_level[] = {
3084	0x0000, 0x0100, 0x0200, 0x0300 };
3085
3086
3087// DJM-250MK2
3088static const u16 snd_djm_opts_250mk2_cap1[] = {
3089	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
3090
3091static const u16 snd_djm_opts_250mk2_cap2[] = {
3092	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
3093
3094static const u16 snd_djm_opts_250mk2_cap3[] = {
3095	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
3096
3097static const u16 snd_djm_opts_250mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
3098static const u16 snd_djm_opts_250mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
3099static const u16 snd_djm_opts_250mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
3100
3101static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = {
3102	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3103	SND_DJM_CTL("Ch1 Input",   250mk2_cap1, 2, SND_DJM_WINDEX_CAP),
3104	SND_DJM_CTL("Ch2 Input",   250mk2_cap2, 2, SND_DJM_WINDEX_CAP),
3105	SND_DJM_CTL("Ch3 Input",   250mk2_cap3, 0, SND_DJM_WINDEX_CAP),
3106	SND_DJM_CTL("Ch1 Output",   250mk2_pb1, 0, SND_DJM_WINDEX_PB),
3107	SND_DJM_CTL("Ch2 Output",   250mk2_pb2, 1, SND_DJM_WINDEX_PB),
3108	SND_DJM_CTL("Ch3 Output",   250mk2_pb3, 2, SND_DJM_WINDEX_PB)
3109};
3110
3111
3112// DJM-450
3113static const u16 snd_djm_opts_450_cap1[] = {
3114	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
3115
3116static const u16 snd_djm_opts_450_cap2[] = {
3117	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
3118
3119static const u16 snd_djm_opts_450_cap3[] = {
3120	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
3121
3122static const u16 snd_djm_opts_450_pb1[] = { 0x0100, 0x0101, 0x0104 };
3123static const u16 snd_djm_opts_450_pb2[] = { 0x0200, 0x0201, 0x0204 };
3124static const u16 snd_djm_opts_450_pb3[] = { 0x0300, 0x0301, 0x0304 };
3125
3126static const struct snd_djm_ctl snd_djm_ctls_450[] = {
3127	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3128	SND_DJM_CTL("Ch1 Input",   450_cap1, 2, SND_DJM_WINDEX_CAP),
3129	SND_DJM_CTL("Ch2 Input",   450_cap2, 2, SND_DJM_WINDEX_CAP),
3130	SND_DJM_CTL("Ch3 Input",   450_cap3, 0, SND_DJM_WINDEX_CAP),
3131	SND_DJM_CTL("Ch1 Output",   450_pb1, 0, SND_DJM_WINDEX_PB),
3132	SND_DJM_CTL("Ch2 Output",   450_pb2, 1, SND_DJM_WINDEX_PB),
3133	SND_DJM_CTL("Ch3 Output",   450_pb3, 2, SND_DJM_WINDEX_PB)
3134};
3135
3136
3137// DJM-750
3138static const u16 snd_djm_opts_750_cap1[] = {
3139	0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3140static const u16 snd_djm_opts_750_cap2[] = {
3141	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3142static const u16 snd_djm_opts_750_cap3[] = {
3143	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3144static const u16 snd_djm_opts_750_cap4[] = {
3145	0x0401, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
3146
3147static const struct snd_djm_ctl snd_djm_ctls_750[] = {
3148	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3149	SND_DJM_CTL("Ch1 Input",   750_cap1, 2, SND_DJM_WINDEX_CAP),
3150	SND_DJM_CTL("Ch2 Input",   750_cap2, 2, SND_DJM_WINDEX_CAP),
3151	SND_DJM_CTL("Ch3 Input",   750_cap3, 0, SND_DJM_WINDEX_CAP),
3152	SND_DJM_CTL("Ch4 Input",   750_cap4, 0, SND_DJM_WINDEX_CAP)
3153};
3154
3155
3156// DJM-850
3157static const u16 snd_djm_opts_850_cap1[] = {
3158	0x0100, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3159static const u16 snd_djm_opts_850_cap2[] = {
3160	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3161static const u16 snd_djm_opts_850_cap3[] = {
3162	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3163static const u16 snd_djm_opts_850_cap4[] = {
3164	0x0400, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
3165
3166static const struct snd_djm_ctl snd_djm_ctls_850[] = {
3167	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3168	SND_DJM_CTL("Ch1 Input",   850_cap1, 1, SND_DJM_WINDEX_CAP),
3169	SND_DJM_CTL("Ch2 Input",   850_cap2, 0, SND_DJM_WINDEX_CAP),
3170	SND_DJM_CTL("Ch3 Input",   850_cap3, 0, SND_DJM_WINDEX_CAP),
3171	SND_DJM_CTL("Ch4 Input",   850_cap4, 1, SND_DJM_WINDEX_CAP)
3172};
3173
3174
3175// DJM-900NXS2
3176static const u16 snd_djm_opts_900nxs2_cap1[] = {
3177	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
3178static const u16 snd_djm_opts_900nxs2_cap2[] = {
3179	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
3180static const u16 snd_djm_opts_900nxs2_cap3[] = {
3181	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
3182static const u16 snd_djm_opts_900nxs2_cap4[] = {
3183	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
3184static const u16 snd_djm_opts_900nxs2_cap5[] = {
3185	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
3186
3187static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = {
3188	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3189	SND_DJM_CTL("Ch1 Input",   900nxs2_cap1, 2, SND_DJM_WINDEX_CAP),
3190	SND_DJM_CTL("Ch2 Input",   900nxs2_cap2, 2, SND_DJM_WINDEX_CAP),
3191	SND_DJM_CTL("Ch3 Input",   900nxs2_cap3, 2, SND_DJM_WINDEX_CAP),
3192	SND_DJM_CTL("Ch4 Input",   900nxs2_cap4, 2, SND_DJM_WINDEX_CAP),
3193	SND_DJM_CTL("Ch5 Input",   900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)
3194};
3195
3196// DJM-750MK2
3197static const u16 snd_djm_opts_750mk2_cap1[] = {
3198	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
3199static const u16 snd_djm_opts_750mk2_cap2[] = {
3200	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
3201static const u16 snd_djm_opts_750mk2_cap3[] = {
3202	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
3203static const u16 snd_djm_opts_750mk2_cap4[] = {
3204	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
3205static const u16 snd_djm_opts_750mk2_cap5[] = {
3206	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
3207
3208static const u16 snd_djm_opts_750mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
3209static const u16 snd_djm_opts_750mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
3210static const u16 snd_djm_opts_750mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
3211
3212
3213static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = {
3214	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3215	SND_DJM_CTL("Ch1 Input",   750mk2_cap1, 2, SND_DJM_WINDEX_CAP),
3216	SND_DJM_CTL("Ch2 Input",   750mk2_cap2, 2, SND_DJM_WINDEX_CAP),
3217	SND_DJM_CTL("Ch3 Input",   750mk2_cap3, 2, SND_DJM_WINDEX_CAP),
3218	SND_DJM_CTL("Ch4 Input",   750mk2_cap4, 2, SND_DJM_WINDEX_CAP),
3219	SND_DJM_CTL("Ch5 Input",   750mk2_cap5, 3, SND_DJM_WINDEX_CAP),
3220	SND_DJM_CTL("Ch1 Output",   750mk2_pb1, 0, SND_DJM_WINDEX_PB),
3221	SND_DJM_CTL("Ch2 Output",   750mk2_pb2, 1, SND_DJM_WINDEX_PB),
3222	SND_DJM_CTL("Ch3 Output",   750mk2_pb3, 2, SND_DJM_WINDEX_PB)
3223};
3224
3225
3226static const struct snd_djm_device snd_djm_devices[] = {
3227	[SND_DJM_250MK2_IDX] = SND_DJM_DEVICE(250mk2),
3228	[SND_DJM_750_IDX] = SND_DJM_DEVICE(750),
3229	[SND_DJM_850_IDX] = SND_DJM_DEVICE(850),
3230	[SND_DJM_900NXS2_IDX] = SND_DJM_DEVICE(900nxs2),
3231	[SND_DJM_750MK2_IDX] = SND_DJM_DEVICE(750mk2),
3232	[SND_DJM_450_IDX] = SND_DJM_DEVICE(450),
3233};
3234
3235
3236static int snd_djm_controls_info(struct snd_kcontrol *kctl,
3237				struct snd_ctl_elem_info *info)
3238{
3239	unsigned long private_value = kctl->private_value;
3240	u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3241	u8 ctl_idx = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3242	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3243	const char *name;
3244	const struct snd_djm_ctl *ctl;
3245	size_t noptions;
3246
3247	if (ctl_idx >= device->ncontrols)
3248		return -EINVAL;
3249
3250	ctl = &device->controls[ctl_idx];
3251	noptions = ctl->noptions;
3252	if (info->value.enumerated.item >= noptions)
3253		info->value.enumerated.item = noptions - 1;
3254
3255	name = snd_djm_get_label(device_idx,
3256				ctl->options[info->value.enumerated.item],
3257				ctl->wIndex);
3258	if (!name)
3259		return -EINVAL;
3260
3261	strscpy(info->value.enumerated.name, name, sizeof(info->value.enumerated.name));
3262	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3263	info->count = 1;
3264	info->value.enumerated.items = noptions;
3265	return 0;
3266}
3267
3268static int snd_djm_controls_update(struct usb_mixer_interface *mixer,
3269				u8 device_idx, u8 group, u16 value)
3270{
3271	int err;
3272	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3273
3274	if ((group >= device->ncontrols) || value >= device->controls[group].noptions)
3275		return -EINVAL;
3276
3277	err = snd_usb_lock_shutdown(mixer->chip);
3278	if (err)
3279		return err;
3280
3281	err = snd_usb_ctl_msg(
3282		mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0),
3283		USB_REQ_SET_FEATURE,
3284		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
3285		device->controls[group].options[value],
3286		device->controls[group].wIndex,
3287		NULL, 0);
3288
3289	snd_usb_unlock_shutdown(mixer->chip);
3290	return err;
3291}
3292
3293static int snd_djm_controls_get(struct snd_kcontrol *kctl,
3294				struct snd_ctl_elem_value *elem)
3295{
3296	elem->value.enumerated.item[0] = kctl->private_value & SND_DJM_VALUE_MASK;
3297	return 0;
3298}
3299
3300static int snd_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
3301{
3302	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
3303	struct usb_mixer_interface *mixer = list->mixer;
3304	unsigned long private_value = kctl->private_value;
3305
3306	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3307	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3308	u16 value = elem->value.enumerated.item[0];
3309
3310	kctl->private_value = (((unsigned long)device << SND_DJM_DEVICE_SHIFT) |
3311			      (group << SND_DJM_GROUP_SHIFT) |
3312			      value);
3313
3314	return snd_djm_controls_update(mixer, device, group, value);
3315}
3316
3317static int snd_djm_controls_resume(struct usb_mixer_elem_list *list)
3318{
3319	unsigned long private_value = list->kctl->private_value;
3320	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3321	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3322	u16 value = (private_value & SND_DJM_VALUE_MASK);
3323
3324	return snd_djm_controls_update(list->mixer, device, group, value);
3325}
3326
3327static int snd_djm_controls_create(struct usb_mixer_interface *mixer,
3328		const u8 device_idx)
3329{
3330	int err, i;
3331	u16 value;
3332
3333	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3334
3335	struct snd_kcontrol_new knew = {
3336		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
3337		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3338		.index = 0,
3339		.info = snd_djm_controls_info,
3340		.get  = snd_djm_controls_get,
3341		.put  = snd_djm_controls_put
3342	};
3343
3344	for (i = 0; i < device->ncontrols; i++) {
3345		value = device->controls[i].default_value;
3346		knew.name = device->controls[i].name;
3347		knew.private_value = (
3348			((unsigned long)device_idx << SND_DJM_DEVICE_SHIFT) |
3349			(i << SND_DJM_GROUP_SHIFT) |
3350			value);
3351		err = snd_djm_controls_update(mixer, device_idx, i, value);
3352		if (err)
3353			return err;
3354		err = add_single_ctl_with_resume(mixer, 0, snd_djm_controls_resume,
3355						 &knew, NULL);
3356		if (err)
3357			return err;
3358	}
3359	return 0;
3360}
3361
3362int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
3363{
3364	int err = 0;
3365
3366	err = snd_usb_soundblaster_remote_init(mixer);
3367	if (err < 0)
3368		return err;
3369
3370	switch (mixer->chip->usb_id) {
3371	/* Tascam US-16x08 */
3372	case USB_ID(0x0644, 0x8047):
3373		err = snd_us16x08_controls_create(mixer);
3374		break;
3375	case USB_ID(0x041e, 0x3020):
3376	case USB_ID(0x041e, 0x3040):
3377	case USB_ID(0x041e, 0x3042):
3378	case USB_ID(0x041e, 0x30df):
3379	case USB_ID(0x041e, 0x3048):
3380		err = snd_audigy2nx_controls_create(mixer);
3381		if (err < 0)
3382			break;
3383		snd_card_ro_proc_new(mixer->chip->card, "audigy2nx",
3384				     mixer, snd_audigy2nx_proc_read);
3385		break;
3386
3387	/* EMU0204 */
3388	case USB_ID(0x041e, 0x3f19):
3389		err = snd_emu0204_controls_create(mixer);
3390		break;
3391
3392	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
3393	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
3394		err = snd_c400_create_mixer(mixer);
3395		break;
3396
3397	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
3398	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
3399		err = snd_ftu_create_mixer(mixer);
3400		break;
3401
3402	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
3403	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
3404	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
3405		err = snd_xonar_u1_controls_create(mixer);
3406		break;
3407
3408	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
3409		err = snd_microii_controls_create(mixer);
3410		break;
3411
3412	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
3413		err = snd_mbox1_controls_create(mixer);
3414		break;
3415
3416	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
3417		err = snd_nativeinstruments_create_mixer(mixer,
3418				snd_nativeinstruments_ta6_mixers,
3419				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
3420		break;
3421
3422	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
3423		err = snd_nativeinstruments_create_mixer(mixer,
3424				snd_nativeinstruments_ta10_mixers,
3425				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
3426		break;
3427
3428	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
3429		/* detection is disabled in mixer_maps.c */
3430		err = snd_create_std_mono_table(mixer, ebox44_table);
3431		break;
3432
3433	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
3434	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
3435	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
3436	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
3437	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
3438		err = snd_scarlett_controls_create(mixer);
3439		break;
3440
3441	case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */
3442	case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */
3443	case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */
3444	case USB_ID(0x1235, 0x8211): /* Focusrite Scarlett Solo 3rd Gen */
3445	case USB_ID(0x1235, 0x8210): /* Focusrite Scarlett 2i2 3rd Gen */
3446	case USB_ID(0x1235, 0x8212): /* Focusrite Scarlett 4i4 3rd Gen */
3447	case USB_ID(0x1235, 0x8213): /* Focusrite Scarlett 8i6 3rd Gen */
3448	case USB_ID(0x1235, 0x8214): /* Focusrite Scarlett 18i8 3rd Gen */
3449	case USB_ID(0x1235, 0x8215): /* Focusrite Scarlett 18i20 3rd Gen */
3450	case USB_ID(0x1235, 0x8218): /* Focusrite Scarlett Solo 4th Gen */
3451	case USB_ID(0x1235, 0x8219): /* Focusrite Scarlett 2i2 4th Gen */
3452	case USB_ID(0x1235, 0x821a): /* Focusrite Scarlett 4i4 4th Gen */
3453	case USB_ID(0x1235, 0x8206): /* Focusrite Clarett 2Pre USB */
3454	case USB_ID(0x1235, 0x8207): /* Focusrite Clarett 4Pre USB */
3455	case USB_ID(0x1235, 0x8208): /* Focusrite Clarett 8Pre USB */
3456	case USB_ID(0x1235, 0x820a): /* Focusrite Clarett+ 2Pre */
3457	case USB_ID(0x1235, 0x820b): /* Focusrite Clarett+ 4Pre */
3458	case USB_ID(0x1235, 0x820c): /* Focusrite Clarett+ 8Pre */
3459		err = snd_scarlett2_init(mixer);
3460		break;
3461
3462	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
3463		err = snd_soundblaster_e1_switch_create(mixer);
3464		break;
3465	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
3466		err = dell_dock_mixer_create(mixer);
3467		if (err < 0)
3468			break;
3469		err = dell_dock_mixer_init(mixer);
3470		break;
3471
3472	case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */
3473	case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */
3474	case USB_ID(0x2a39, 0x3fd4): /* RME */
3475		err = snd_rme_controls_create(mixer);
3476		break;
3477
3478	case USB_ID(0x194f, 0x010c): /* Presonus Studio 1810c */
3479		err = snd_sc1810_init_mixer(mixer);
3480		break;
3481	case USB_ID(0x2a39, 0x3fb0): /* RME Babyface Pro FS */
3482		err = snd_bbfpro_controls_create(mixer);
3483		break;
3484	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
3485		err = snd_djm_controls_create(mixer, SND_DJM_250MK2_IDX);
3486		break;
3487	case USB_ID(0x2b73, 0x0013): /* Pioneer DJ DJM-450 */
3488		err = snd_djm_controls_create(mixer, SND_DJM_450_IDX);
3489		break;
3490	case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */
3491		err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);
3492		break;
3493	case USB_ID(0x2b73, 0x001b): /* Pioneer DJ DJM-750MK2 */
3494		err = snd_djm_controls_create(mixer, SND_DJM_750MK2_IDX);
3495		break;
3496	case USB_ID(0x08e4, 0x0163): /* Pioneer DJ DJM-850 */
3497		err = snd_djm_controls_create(mixer, SND_DJM_850_IDX);
3498		break;
3499	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
3500		err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX);
3501		break;
3502	}
3503
3504	return err;
3505}
3506
3507void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer)
3508{
3509	switch (mixer->chip->usb_id) {
3510	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
3511		dell_dock_mixer_init(mixer);
3512		break;
3513	}
3514}
3515
3516void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
3517				    int unitid)
3518{
3519	if (!mixer->rc_cfg)
3520		return;
3521	/* unit ids specific to Extigy/Audigy 2 NX: */
3522	switch (unitid) {
3523	case 0: /* remote control */
3524		mixer->rc_urb->dev = mixer->chip->dev;
3525		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
3526		break;
3527	case 4: /* digital in jack */
3528	case 7: /* line in jacks */
3529	case 19: /* speaker out jacks */
3530	case 20: /* headphones out jack */
3531		break;
3532	/* live24ext: 4 = line-in jack */
3533	case 3:	/* hp-out jack (may actuate Mute) */
3534		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
3535		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
3536			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
3537		break;
3538	default:
3539		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
3540		break;
3541	}
3542}
3543
3544static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
3545					 struct usb_mixer_elem_info *cval,
3546					 struct snd_kcontrol *kctl)
3547{
3548	/* Approximation using 10 ranges based on output measurement on hw v1.2.
3549	 * This seems close to the cubic mapping e.g. alsamixer uses. */
3550	static const DECLARE_TLV_DB_RANGE(scale,
3551		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
3552		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
3553		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
3554		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
3555		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
3556		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
3557		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
3558		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
3559		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
3560		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
3561	);
3562
3563	if (cval->min == 0 && cval->max == 50) {
3564		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
3565		kctl->tlv.p = scale;
3566		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
3567		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
3568
3569	} else if (cval->min == 0 && cval->max <= 1000) {
3570		/* Some other clearly broken DragonFly variant.
3571		 * At least a 0..53 variant (hw v1.0) exists.
3572		 */
3573		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
3574		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
3575	}
3576}
3577
3578void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
3579				  struct usb_mixer_elem_info *cval, int unitid,
3580				  struct snd_kcontrol *kctl)
3581{
3582	switch (mixer->chip->usb_id) {
3583	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
3584		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
3585			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
3586		break;
3587	/* lowest playback value is muted on some devices */
3588	case USB_ID(0x0d8c, 0x000c): /* C-Media */
3589	case USB_ID(0x0d8c, 0x0014): /* C-Media */
3590	case USB_ID(0x19f7, 0x0003): /* RODE NT-USB */
3591		if (strstr(kctl->id.name, "Playback"))
3592			cval->min_mute = 1;
3593		break;
3594	}
3595}
3596
3597