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v5.9
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *   USB Audio Driver for ALSA
   4 *
   5 *   Quirks and vendor-specific extensions for mixer interfaces
   6 *
   7 *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   8 *
   9 *   Many codes borrowed from audio.c by
  10 *	    Alan Cox (alan@lxorguk.ukuu.org.uk)
  11 *	    Thomas Sailer (sailer@ife.ee.ethz.ch)
  12 *
  13 *   Audio Advantage Micro II support added by:
  14 *	    Przemek Rudy (prudy1@o2.pl)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  15 */
  16
  17#include <linux/hid.h>
  18#include <linux/init.h>
  19#include <linux/math64.h>
  20#include <linux/slab.h>
  21#include <linux/usb.h>
  22#include <linux/usb/audio.h>
  23
  24#include <sound/asoundef.h>
  25#include <sound/core.h>
  26#include <sound/control.h>
  27#include <sound/hwdep.h>
  28#include <sound/info.h>
  29#include <sound/tlv.h>
  30
  31#include "usbaudio.h"
  32#include "mixer.h"
  33#include "mixer_quirks.h"
  34#include "mixer_scarlett.h"
  35#include "mixer_scarlett_gen2.h"
  36#include "mixer_us16x08.h"
  37#include "mixer_s1810c.h"
  38#include "helper.h"
  39
 
 
  40struct std_mono_table {
  41	unsigned int unitid, control, cmask;
  42	int val_type;
  43	const char *name;
  44	snd_kcontrol_tlv_rw_t *tlv_callback;
  45};
  46
  47/* This function allows for the creation of standard UAC controls.
  48 * See the quirks for M-Audio FTUs or Ebox-44.
  49 * If you don't want to set a TLV callback pass NULL.
  50 *
  51 * Since there doesn't seem to be a devices that needs a multichannel
  52 * version, we keep it mono for simplicity.
  53 */
  54static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
  55				unsigned int unitid,
  56				unsigned int control,
  57				unsigned int cmask,
  58				int val_type,
  59				unsigned int idx_off,
  60				const char *name,
  61				snd_kcontrol_tlv_rw_t *tlv_callback)
  62{
  63	struct usb_mixer_elem_info *cval;
  64	struct snd_kcontrol *kctl;
  65
  66	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  67	if (!cval)
  68		return -ENOMEM;
  69
  70	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
  71	cval->val_type = val_type;
  72	cval->channels = 1;
  73	cval->control = control;
  74	cval->cmask = cmask;
  75	cval->idx_off = idx_off;
  76
  77	/* get_min_max() is called only for integer volumes later,
  78	 * so provide a short-cut for booleans */
  79	cval->min = 0;
  80	cval->max = 1;
  81	cval->res = 0;
  82	cval->dBmin = 0;
  83	cval->dBmax = 0;
  84
  85	/* Create control */
  86	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
  87	if (!kctl) {
  88		kfree(cval);
  89		return -ENOMEM;
  90	}
  91
  92	/* Set name */
  93	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
  94	kctl->private_free = snd_usb_mixer_elem_free;
  95
  96	/* set TLV */
  97	if (tlv_callback) {
  98		kctl->tlv.c = tlv_callback;
  99		kctl->vd[0].access |=
 100			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 101			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 102	}
 103	/* Add control to mixer */
 104	return snd_usb_mixer_add_control(&cval->head, kctl);
 105}
 106
 107static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
 108				unsigned int unitid,
 109				unsigned int control,
 110				unsigned int cmask,
 111				int val_type,
 112				const char *name,
 113				snd_kcontrol_tlv_rw_t *tlv_callback)
 114{
 115	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
 116		val_type, 0 /* Offset */, name, tlv_callback);
 117}
 118
 119/*
 120 * Create a set of standard UAC controls from a table
 121 */
 122static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 123				     const struct std_mono_table *t)
 124{
 125	int err;
 126
 127	while (t->name != NULL) {
 128		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 129				t->cmask, t->val_type, t->name, t->tlv_callback);
 130		if (err < 0)
 131			return err;
 132		t++;
 133	}
 134
 135	return 0;
 136}
 137
 138static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
 139				      int id,
 140				      usb_mixer_elem_resume_func_t resume,
 141				      const struct snd_kcontrol_new *knew,
 142				      struct usb_mixer_elem_list **listp)
 143{
 144	struct usb_mixer_elem_list *list;
 145	struct snd_kcontrol *kctl;
 146
 147	list = kzalloc(sizeof(*list), GFP_KERNEL);
 148	if (!list)
 149		return -ENOMEM;
 150	if (listp)
 151		*listp = list;
 152	list->mixer = mixer;
 153	list->id = id;
 154	list->resume = resume;
 155	kctl = snd_ctl_new1(knew, list);
 156	if (!kctl) {
 157		kfree(list);
 158		return -ENOMEM;
 159	}
 160	kctl->private_free = snd_usb_mixer_elem_free;
 161	/* don't use snd_usb_mixer_add_control() here, this is a special list element */
 162	return snd_usb_mixer_add_list(list, kctl, false);
 163}
 164
 165/*
 166 * Sound Blaster remote control configuration
 167 *
 168 * format of remote control data:
 169 * Extigy:       xx 00
 170 * Audigy 2 NX:  06 80 xx 00 00 00
 171 * Live! 24-bit: 06 80 xx yy 22 83
 172 */
 173static const struct rc_config {
 174	u32 usb_id;
 175	u8  offset;
 176	u8  length;
 177	u8  packet_length;
 178	u8  min_packet_length; /* minimum accepted length of the URB result */
 179	u8  mute_mixer_id;
 180	u32 mute_code;
 181} rc_configs[] = {
 182	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 183	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 184	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 185	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 186	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 187	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 188	{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 189	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 190};
 191
 192static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 193{
 194	struct usb_mixer_interface *mixer = urb->context;
 195	const struct rc_config *rc = mixer->rc_cfg;
 196	u32 code;
 197
 198	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 199		return;
 200
 201	code = mixer->rc_buffer[rc->offset];
 202	if (rc->length == 2)
 203		code |= mixer->rc_buffer[rc->offset + 1] << 8;
 204
 205	/* the Mute button actually changes the mixer control */
 206	if (code == rc->mute_code)
 207		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 208	mixer->rc_code = code;
 209	wmb();
 210	wake_up(&mixer->rc_waitq);
 211}
 212
 213static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 214				     long count, loff_t *offset)
 215{
 216	struct usb_mixer_interface *mixer = hw->private_data;
 217	int err;
 218	u32 rc_code;
 219
 220	if (count != 1 && count != 4)
 221		return -EINVAL;
 222	err = wait_event_interruptible(mixer->rc_waitq,
 223				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 224	if (err == 0) {
 225		if (count == 1)
 226			err = put_user(rc_code, buf);
 227		else
 228			err = put_user(rc_code, (u32 __user *)buf);
 229	}
 230	return err < 0 ? err : count;
 231}
 232
 233static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 234					    poll_table *wait)
 235{
 236	struct usb_mixer_interface *mixer = hw->private_data;
 237
 238	poll_wait(file, &mixer->rc_waitq, wait);
 239	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
 240}
 241
 242static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 243{
 244	struct snd_hwdep *hwdep;
 245	int err, len, i;
 246
 247	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 248		if (rc_configs[i].usb_id == mixer->chip->usb_id)
 249			break;
 250	if (i >= ARRAY_SIZE(rc_configs))
 251		return 0;
 252	mixer->rc_cfg = &rc_configs[i];
 253
 254	len = mixer->rc_cfg->packet_length;
 255
 256	init_waitqueue_head(&mixer->rc_waitq);
 257	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 258	if (err < 0)
 259		return err;
 260	snprintf(hwdep->name, sizeof(hwdep->name),
 261		 "%s remote control", mixer->chip->card->shortname);
 262	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 263	hwdep->private_data = mixer;
 264	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 265	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 266	hwdep->exclusive = 1;
 267
 268	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 269	if (!mixer->rc_urb)
 270		return -ENOMEM;
 271	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 272	if (!mixer->rc_setup_packet) {
 273		usb_free_urb(mixer->rc_urb);
 274		mixer->rc_urb = NULL;
 275		return -ENOMEM;
 276	}
 277	mixer->rc_setup_packet->bRequestType =
 278		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 279	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 280	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 281	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 282	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 283	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 284			     usb_rcvctrlpipe(mixer->chip->dev, 0),
 285			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 286			     snd_usb_soundblaster_remote_complete, mixer);
 287	return 0;
 288}
 289
 290#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
 291
 292static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 293{
 294	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
 295	return 0;
 296}
 297
 298static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
 299				    int value, int index)
 300{
 301	struct snd_usb_audio *chip = mixer->chip;
 302	int err;
 303
 304	err = snd_usb_lock_shutdown(chip);
 305	if (err < 0)
 306		return err;
 307
 308	if (chip->usb_id == USB_ID(0x041e, 0x3042))
 309		err = snd_usb_ctl_msg(chip->dev,
 310			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 311			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 312			      !value, 0, NULL, 0);
 313	/* USB X-Fi S51 Pro */
 314	if (chip->usb_id == USB_ID(0x041e, 0x30df))
 315		err = snd_usb_ctl_msg(chip->dev,
 316			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 317			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 318			      !value, 0, NULL, 0);
 319	else
 320		err = snd_usb_ctl_msg(chip->dev,
 321			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 322			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 323			      value, index + 2, NULL, 0);
 324	snd_usb_unlock_shutdown(chip);
 325	return err;
 326}
 327
 328static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
 329				 struct snd_ctl_elem_value *ucontrol)
 330{
 331	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 332	struct usb_mixer_interface *mixer = list->mixer;
 333	int index = kcontrol->private_value & 0xff;
 334	unsigned int value = ucontrol->value.integer.value[0];
 335	int old_value = kcontrol->private_value >> 8;
 336	int err;
 337
 338	if (value > 1)
 339		return -EINVAL;
 340	if (value == old_value)
 341		return 0;
 342	kcontrol->private_value = (value << 8) | index;
 343	err = snd_audigy2nx_led_update(mixer, value, index);
 344	return err < 0 ? err : 1;
 345}
 346
 347static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
 348{
 349	int priv_value = list->kctl->private_value;
 350
 351	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
 352					priv_value & 0xff);
 353}
 354
 355/* name and private_value are set dynamically */
 356static const struct snd_kcontrol_new snd_audigy2nx_control = {
 357	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 358	.info = snd_audigy2nx_led_info,
 359	.get = snd_audigy2nx_led_get,
 360	.put = snd_audigy2nx_led_put,
 361};
 362
 363static const char * const snd_audigy2nx_led_names[] = {
 364	"CMSS LED Switch",
 365	"Power LED Switch",
 366	"Dolby Digital LED Switch",
 367};
 368
 369static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 370{
 371	int i, err;
 372
 373	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
 374		struct snd_kcontrol_new knew;
 375
 376		/* USB X-Fi S51 doesn't have a CMSS LED */
 377		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 378			continue;
 379		/* USB X-Fi S51 Pro doesn't have one either */
 380		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 381			continue;
 382		if (i > 1 && /* Live24ext has 2 LEDs only */
 383			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 384			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 385			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 386			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 387			break; 
 388
 389		knew = snd_audigy2nx_control;
 390		knew.name = snd_audigy2nx_led_names[i];
 391		knew.private_value = (1 << 8) | i; /* LED on as default */
 392		err = add_single_ctl_with_resume(mixer, 0,
 393						 snd_audigy2nx_led_resume,
 394						 &knew, NULL);
 395		if (err < 0)
 396			return err;
 397	}
 398	return 0;
 399}
 400
 401static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 402				    struct snd_info_buffer *buffer)
 403{
 404	static const struct sb_jack {
 405		int unitid;
 406		const char *name;
 407	}  jacks_audigy2nx[] = {
 408		{4,  "dig in "},
 409		{7,  "line in"},
 410		{19, "spk out"},
 411		{20, "hph out"},
 412		{-1, NULL}
 413	}, jacks_live24ext[] = {
 414		{4,  "line in"}, /* &1=Line, &2=Mic*/
 415		{3,  "hph out"}, /* headphones */
 416		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 417		{-1, NULL}
 418	};
 419	const struct sb_jack *jacks;
 420	struct usb_mixer_interface *mixer = entry->private_data;
 421	int i, err;
 422	u8 buf[3];
 423
 424	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 425	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 426		jacks = jacks_audigy2nx;
 427	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 428		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 429		jacks = jacks_live24ext;
 430	else
 431		return;
 432
 433	for (i = 0; jacks[i].name; ++i) {
 434		snd_iprintf(buffer, "%s: ", jacks[i].name);
 435		err = snd_usb_lock_shutdown(mixer->chip);
 436		if (err < 0)
 437			return;
 438		err = snd_usb_ctl_msg(mixer->chip->dev,
 439				      usb_rcvctrlpipe(mixer->chip->dev, 0),
 440				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 441				      USB_RECIP_INTERFACE, 0,
 442				      jacks[i].unitid << 8, buf, 3);
 443		snd_usb_unlock_shutdown(mixer->chip);
 444		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 445			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 446		else
 447			snd_iprintf(buffer, "?\n");
 448	}
 449}
 450
 451/* EMU0204 */
 452static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
 453				      struct snd_ctl_elem_info *uinfo)
 454{
 455	static const char * const texts[2] = {"1/2", "3/4"};
 456
 457	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 458}
 459
 460static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
 461				     struct snd_ctl_elem_value *ucontrol)
 462{
 463	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
 464	return 0;
 465}
 466
 467static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
 468					int value)
 469{
 470	struct snd_usb_audio *chip = mixer->chip;
 471	int err;
 472	unsigned char buf[2];
 473
 474	err = snd_usb_lock_shutdown(chip);
 475	if (err < 0)
 476		return err;
 477
 478	buf[0] = 0x01;
 479	buf[1] = value ? 0x02 : 0x01;
 480	err = snd_usb_ctl_msg(chip->dev,
 481		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 482		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 483		      0x0400, 0x0e00, buf, 2);
 484	snd_usb_unlock_shutdown(chip);
 485	return err;
 486}
 487
 488static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
 489				     struct snd_ctl_elem_value *ucontrol)
 490{
 491	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 492	struct usb_mixer_interface *mixer = list->mixer;
 493	unsigned int value = ucontrol->value.enumerated.item[0];
 494	int err;
 495
 496	if (value > 1)
 497		return -EINVAL;
 498
 499	if (value == kcontrol->private_value)
 500		return 0;
 501
 502	kcontrol->private_value = value;
 503	err = snd_emu0204_ch_switch_update(mixer, value);
 504	return err < 0 ? err : 1;
 505}
 506
 507static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
 508{
 509	return snd_emu0204_ch_switch_update(list->mixer,
 510					    list->kctl->private_value);
 511}
 512
 513static const struct snd_kcontrol_new snd_emu0204_control = {
 514	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 515	.name = "Front Jack Channels",
 516	.info = snd_emu0204_ch_switch_info,
 517	.get = snd_emu0204_ch_switch_get,
 518	.put = snd_emu0204_ch_switch_put,
 519	.private_value = 0,
 520};
 521
 522static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
 523{
 524	return add_single_ctl_with_resume(mixer, 0,
 525					  snd_emu0204_ch_switch_resume,
 526					  &snd_emu0204_control, NULL);
 527}
 528
 529/* ASUS Xonar U1 / U3 controls */
 530
 531static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 532				   struct snd_ctl_elem_value *ucontrol)
 533{
 534	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
 535	return 0;
 536}
 537
 538static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
 539				      unsigned char status)
 540{
 541	struct snd_usb_audio *chip = mixer->chip;
 542	int err;
 543
 544	err = snd_usb_lock_shutdown(chip);
 545	if (err < 0)
 546		return err;
 547	err = snd_usb_ctl_msg(chip->dev,
 548			      usb_sndctrlpipe(chip->dev, 0), 0x08,
 549			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 550			      50, 0, &status, 1);
 551	snd_usb_unlock_shutdown(chip);
 552	return err;
 553}
 554
 555static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 556				   struct snd_ctl_elem_value *ucontrol)
 557{
 558	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 559	u8 old_status, new_status;
 560	int err;
 561
 562	old_status = kcontrol->private_value;
 563	if (ucontrol->value.integer.value[0])
 564		new_status = old_status | 0x02;
 565	else
 566		new_status = old_status & ~0x02;
 567	if (new_status == old_status)
 568		return 0;
 569
 570	kcontrol->private_value = new_status;
 571	err = snd_xonar_u1_switch_update(list->mixer, new_status);
 572	return err < 0 ? err : 1;
 573}
 574
 575static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
 576{
 577	return snd_xonar_u1_switch_update(list->mixer,
 578					  list->kctl->private_value);
 579}
 580
 581static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 582	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 583	.name = "Digital Playback Switch",
 584	.info = snd_ctl_boolean_mono_info,
 585	.get = snd_xonar_u1_switch_get,
 586	.put = snd_xonar_u1_switch_put,
 587	.private_value = 0x05,
 588};
 589
 590static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 591{
 592	return add_single_ctl_with_resume(mixer, 0,
 593					  snd_xonar_u1_switch_resume,
 594					  &snd_xonar_u1_output_switch, NULL);
 595}
 596
 597/* Digidesign Mbox 1 clock source switch (internal/spdif) */
 598
 599static int snd_mbox1_switch_get(struct snd_kcontrol *kctl,
 600				struct snd_ctl_elem_value *ucontrol)
 601{
 602	ucontrol->value.enumerated.item[0] = kctl->private_value;
 603	return 0;
 604}
 605
 606static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val)
 607{
 608	struct snd_usb_audio *chip = mixer->chip;
 609	int err;
 610	unsigned char buff[3];
 611
 612	err = snd_usb_lock_shutdown(chip);
 613	if (err < 0)
 614		return err;
 615
 616	/* Prepare for magic command to toggle clock source */
 617	err = snd_usb_ctl_msg(chip->dev,
 618				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 619				USB_DIR_IN |
 620				USB_TYPE_CLASS |
 621				USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
 622	if (err < 0)
 623		goto err;
 624	err = snd_usb_ctl_msg(chip->dev,
 625				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 626				USB_DIR_IN |
 627				USB_TYPE_CLASS |
 628				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 629	if (err < 0)
 630		goto err;
 631
 632	/* 2 possibilities:	Internal    -> send sample rate
 633	 *			S/PDIF sync -> send zeroes
 634	 * NB: Sample rate locked to 48kHz on purpose to
 635	 *     prevent user from resetting the sample rate
 636	 *     while S/PDIF sync is enabled and confusing
 637	 *     this configuration.
 638	 */
 639	if (val == 0) {
 640		buff[0] = 0x80;
 641		buff[1] = 0xbb;
 642		buff[2] = 0x00;
 643	} else {
 644		buff[0] = buff[1] = buff[2] = 0x00;
 645	}
 646
 647	/* Send the magic command to toggle the clock source */
 648	err = snd_usb_ctl_msg(chip->dev,
 649				usb_sndctrlpipe(chip->dev, 0), 0x1,
 650				USB_TYPE_CLASS |
 651				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 652	if (err < 0)
 653		goto err;
 654	err = snd_usb_ctl_msg(chip->dev,
 655				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 656				USB_DIR_IN |
 657				USB_TYPE_CLASS |
 658				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 659	if (err < 0)
 660		goto err;
 661	err = snd_usb_ctl_msg(chip->dev,
 662				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 663				USB_DIR_IN |
 664				USB_TYPE_CLASS |
 665				USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3);
 666	if (err < 0)
 667		goto err;
 668
 669err:
 670	snd_usb_unlock_shutdown(chip);
 671	return err;
 672}
 673
 674static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
 675				struct snd_ctl_elem_value *ucontrol)
 676{
 677	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 678	struct usb_mixer_interface *mixer = list->mixer;
 679	int err;
 680	bool cur_val, new_val;
 681
 682	cur_val = kctl->private_value;
 683	new_val = ucontrol->value.enumerated.item[0];
 684	if (cur_val == new_val)
 685		return 0;
 686
 687	kctl->private_value = new_val;
 688	err = snd_mbox1_switch_update(mixer, new_val);
 689	return err < 0 ? err : 1;
 690}
 691
 692static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol,
 693				 struct snd_ctl_elem_info *uinfo)
 694{
 695	static const char *const texts[2] = {
 696		"Internal",
 697		"S/PDIF"
 698	};
 699
 700	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 701}
 702
 703static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list)
 704{
 705	return snd_mbox1_switch_update(list->mixer, list->kctl->private_value);
 706}
 707
 708static const struct snd_kcontrol_new snd_mbox1_switch = {
 709	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 710	.name = "Clock Source",
 711	.index = 0,
 712	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 713	.info = snd_mbox1_switch_info,
 714	.get = snd_mbox1_switch_get,
 715	.put = snd_mbox1_switch_put,
 716	.private_value = 0
 717};
 718
 719static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer)
 720{
 721	return add_single_ctl_with_resume(mixer, 0,
 722					  snd_mbox1_switch_resume,
 723					  &snd_mbox1_switch, NULL);
 724}
 725
 726/* Native Instruments device quirks */
 727
 728#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 729
 730static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
 731				   struct snd_kcontrol *kctl)
 732{
 733	struct usb_device *dev = mixer->chip->dev;
 734	unsigned int pval = kctl->private_value;
 735	u8 value;
 736	int err;
 737
 738	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 739			      (pval >> 16) & 0xff,
 740			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 741			      0, pval & 0xffff, &value, 1);
 742	if (err < 0) {
 743		dev_err(&dev->dev,
 744			"unable to issue vendor read request (ret = %d)", err);
 745		return err;
 746	}
 747
 748	kctl->private_value |= ((unsigned int)value << 24);
 749	return 0;
 750}
 751
 752static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 753					     struct snd_ctl_elem_value *ucontrol)
 754{
 755	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
 756	return 0;
 757}
 758
 759static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
 760{
 761	struct snd_usb_audio *chip = list->mixer->chip;
 762	unsigned int pval = list->kctl->private_value;
 763	int err;
 764
 765	err = snd_usb_lock_shutdown(chip);
 766	if (err < 0)
 767		return err;
 768	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
 769			      (pval >> 16) & 0xff,
 770			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 771			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
 772	snd_usb_unlock_shutdown(chip);
 773	return err;
 774}
 775
 776static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 777					     struct snd_ctl_elem_value *ucontrol)
 778{
 779	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 780	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
 781	u8 newval = ucontrol->value.integer.value[0];
 782	int err;
 783
 784	if (oldval == newval)
 785		return 0;
 786
 787	kcontrol->private_value &= ~(0xff << 24);
 788	kcontrol->private_value |= (unsigned int)newval << 24;
 789	err = snd_ni_update_cur_val(list);
 790	return err < 0 ? err : 1;
 791}
 792
 793static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 794	{
 795		.name = "Direct Thru Channel A",
 796		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 797	},
 798	{
 799		.name = "Direct Thru Channel B",
 800		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 801	},
 802	{
 803		.name = "Phono Input Channel A",
 804		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 805	},
 806	{
 807		.name = "Phono Input Channel B",
 808		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 809	},
 810};
 811
 812static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 813	{
 814		.name = "Direct Thru Channel A",
 815		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 816	},
 817	{
 818		.name = "Direct Thru Channel B",
 819		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 820	},
 821	{
 822		.name = "Direct Thru Channel C",
 823		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 824	},
 825	{
 826		.name = "Direct Thru Channel D",
 827		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 828	},
 829	{
 830		.name = "Phono Input Channel A",
 831		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 832	},
 833	{
 834		.name = "Phono Input Channel B",
 835		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 836	},
 837	{
 838		.name = "Phono Input Channel C",
 839		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 840	},
 841	{
 842		.name = "Phono Input Channel D",
 843		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 844	},
 845};
 846
 847static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 848					      const struct snd_kcontrol_new *kc,
 849					      unsigned int count)
 850{
 851	int i, err = 0;
 852	struct snd_kcontrol_new template = {
 853		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 854		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 855		.get = snd_nativeinstruments_control_get,
 856		.put = snd_nativeinstruments_control_put,
 857		.info = snd_ctl_boolean_mono_info,
 858	};
 859
 860	for (i = 0; i < count; i++) {
 861		struct usb_mixer_elem_list *list;
 862
 863		template.name = kc[i].name;
 864		template.private_value = kc[i].private_value;
 865
 866		err = add_single_ctl_with_resume(mixer, 0,
 867						 snd_ni_update_cur_val,
 868						 &template, &list);
 869		if (err < 0)
 870			break;
 871		snd_ni_control_init_val(mixer, list->kctl);
 872	}
 873
 874	return err;
 875}
 876
 877/* M-Audio FastTrack Ultra quirks */
 878/* FTU Effect switch (also used by C400/C600) */
 879static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
 880					struct snd_ctl_elem_info *uinfo)
 881{
 882	static const char *const texts[8] = {
 883		"Room 1", "Room 2", "Room 3", "Hall 1",
 884		"Hall 2", "Plate", "Delay", "Echo"
 885	};
 886
 887	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 888}
 889
 890static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
 891				   struct snd_kcontrol *kctl)
 892{
 893	struct usb_device *dev = mixer->chip->dev;
 894	unsigned int pval = kctl->private_value;
 895	int err;
 896	unsigned char value[2];
 897
 898	value[0] = 0x00;
 899	value[1] = 0x00;
 900
 901	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
 902			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 903			      pval & 0xff00,
 904			      snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
 905			      value, 2);
 906	if (err < 0)
 907		return err;
 908
 909	kctl->private_value |= (unsigned int)value[0] << 24;
 910	return 0;
 911}
 912
 913static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
 914					struct snd_ctl_elem_value *ucontrol)
 915{
 916	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
 917	return 0;
 918}
 919
 920static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
 921{
 922	struct snd_usb_audio *chip = list->mixer->chip;
 923	unsigned int pval = list->kctl->private_value;
 924	unsigned char value[2];
 925	int err;
 926
 927	value[0] = pval >> 24;
 928	value[1] = 0;
 929
 930	err = snd_usb_lock_shutdown(chip);
 931	if (err < 0)
 932		return err;
 933	err = snd_usb_ctl_msg(chip->dev,
 934			      usb_sndctrlpipe(chip->dev, 0),
 935			      UAC_SET_CUR,
 936			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 937			      pval & 0xff00,
 938			      snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
 939			      value, 2);
 940	snd_usb_unlock_shutdown(chip);
 941	return err;
 942}
 943
 944static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 945					struct snd_ctl_elem_value *ucontrol)
 946{
 947	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 948	unsigned int pval = list->kctl->private_value;
 949	int cur_val, err, new_val;
 950
 951	cur_val = pval >> 24;
 952	new_val = ucontrol->value.enumerated.item[0];
 953	if (cur_val == new_val)
 954		return 0;
 955
 956	kctl->private_value &= ~(0xff << 24);
 957	kctl->private_value |= new_val << 24;
 958	err = snd_ftu_eff_switch_update(list);
 959	return err < 0 ? err : 1;
 960}
 961
 962static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
 963	int validx, int bUnitID)
 964{
 965	static struct snd_kcontrol_new template = {
 966		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 967		.name = "Effect Program Switch",
 968		.index = 0,
 969		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 970		.info = snd_ftu_eff_switch_info,
 971		.get = snd_ftu_eff_switch_get,
 972		.put = snd_ftu_eff_switch_put
 973	};
 974	struct usb_mixer_elem_list *list;
 975	int err;
 976
 977	err = add_single_ctl_with_resume(mixer, bUnitID,
 978					 snd_ftu_eff_switch_update,
 979					 &template, &list);
 980	if (err < 0)
 981		return err;
 982	list->kctl->private_value = (validx << 8) | bUnitID;
 983	snd_ftu_eff_switch_init(mixer, list->kctl);
 984	return 0;
 985}
 986
 987/* Create volume controls for FTU devices*/
 988static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 989{
 990	char name[64];
 991	unsigned int control, cmask;
 992	int in, out, err;
 993
 994	const unsigned int id = 5;
 995	const int val_type = USB_MIXER_S16;
 996
 997	for (out = 0; out < 8; out++) {
 998		control = out + 1;
 999		for (in = 0; in < 8; in++) {
1000			cmask = 1 << in;
1001			snprintf(name, sizeof(name),
1002				"AIn%d - Out%d Capture Volume",
1003				in  + 1, out + 1);
1004			err = snd_create_std_mono_ctl(mixer, id, control,
1005							cmask, val_type, name,
1006							&snd_usb_mixer_vol_tlv);
1007			if (err < 0)
1008				return err;
1009		}
1010		for (in = 8; in < 16; in++) {
1011			cmask = 1 << in;
1012			snprintf(name, sizeof(name),
1013				"DIn%d - Out%d Playback Volume",
1014				in - 7, out + 1);
1015			err = snd_create_std_mono_ctl(mixer, id, control,
1016							cmask, val_type, name,
1017							&snd_usb_mixer_vol_tlv);
1018			if (err < 0)
1019				return err;
1020		}
1021	}
1022
1023	return 0;
1024}
1025
1026/* This control needs a volume quirk, see mixer.c */
1027static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1028{
1029	static const char name[] = "Effect Volume";
1030	const unsigned int id = 6;
1031	const int val_type = USB_MIXER_U8;
1032	const unsigned int control = 2;
1033	const unsigned int cmask = 0;
1034
1035	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1036					name, snd_usb_mixer_vol_tlv);
1037}
1038
1039/* This control needs a volume quirk, see mixer.c */
1040static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1041{
1042	static const char name[] = "Effect Duration";
1043	const unsigned int id = 6;
1044	const int val_type = USB_MIXER_S16;
1045	const unsigned int control = 3;
1046	const unsigned int cmask = 0;
1047
1048	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1049					name, snd_usb_mixer_vol_tlv);
1050}
1051
1052/* This control needs a volume quirk, see mixer.c */
1053static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1054{
1055	static const char name[] = "Effect Feedback Volume";
1056	const unsigned int id = 6;
1057	const int val_type = USB_MIXER_U8;
1058	const unsigned int control = 4;
1059	const unsigned int cmask = 0;
1060
1061	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1062					name, NULL);
1063}
1064
1065static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1066{
1067	unsigned int cmask;
1068	int err, ch;
1069	char name[48];
1070
1071	const unsigned int id = 7;
1072	const int val_type = USB_MIXER_S16;
1073	const unsigned int control = 7;
1074
1075	for (ch = 0; ch < 4; ++ch) {
1076		cmask = 1 << ch;
1077		snprintf(name, sizeof(name),
1078			"Effect Return %d Volume", ch + 1);
1079		err = snd_create_std_mono_ctl(mixer, id, control,
1080						cmask, val_type, name,
1081						snd_usb_mixer_vol_tlv);
1082		if (err < 0)
1083			return err;
1084	}
1085
1086	return 0;
1087}
1088
1089static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1090{
1091	unsigned int  cmask;
1092	int err, ch;
1093	char name[48];
1094
1095	const unsigned int id = 5;
1096	const int val_type = USB_MIXER_S16;
1097	const unsigned int control = 9;
1098
1099	for (ch = 0; ch < 8; ++ch) {
1100		cmask = 1 << ch;
1101		snprintf(name, sizeof(name),
1102			"Effect Send AIn%d Volume", ch + 1);
1103		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1104						val_type, name,
1105						snd_usb_mixer_vol_tlv);
1106		if (err < 0)
1107			return err;
1108	}
1109	for (ch = 8; ch < 16; ++ch) {
1110		cmask = 1 << ch;
1111		snprintf(name, sizeof(name),
1112			"Effect Send DIn%d Volume", ch - 7);
1113		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1114						val_type, name,
1115						snd_usb_mixer_vol_tlv);
1116		if (err < 0)
1117			return err;
1118	}
1119	return 0;
1120}
1121
1122static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1123{
1124	int err;
1125
1126	err = snd_ftu_create_volume_ctls(mixer);
1127	if (err < 0)
1128		return err;
1129
1130	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1131	if (err < 0)
1132		return err;
1133
1134	err = snd_ftu_create_effect_volume_ctl(mixer);
1135	if (err < 0)
1136		return err;
1137
1138	err = snd_ftu_create_effect_duration_ctl(mixer);
1139	if (err < 0)
1140		return err;
1141
1142	err = snd_ftu_create_effect_feedback_ctl(mixer);
1143	if (err < 0)
1144		return err;
1145
1146	err = snd_ftu_create_effect_return_ctls(mixer);
1147	if (err < 0)
1148		return err;
1149
1150	err = snd_ftu_create_effect_send_ctls(mixer);
1151	if (err < 0)
1152		return err;
1153
1154	return 0;
1155}
1156
1157void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1158			       unsigned char samplerate_id)
1159{
1160	struct usb_mixer_interface *mixer;
1161	struct usb_mixer_elem_info *cval;
1162	int unitid = 12; /* SampleRate ExtensionUnit ID */
1163
1164	list_for_each_entry(mixer, &chip->mixer_list, list) {
1165		if (mixer->id_elems[unitid]) {
1166			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);
1167			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1168						    cval->control << 8,
1169						    samplerate_id);
1170			snd_usb_mixer_notify_id(mixer, unitid);
1171			break;
1172		}
 
1173	}
1174}
1175
1176/* M-Audio Fast Track C400/C600 */
1177/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1178static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1179{
1180	char name[64];
1181	unsigned int cmask, offset;
1182	int out, chan, err;
1183	int num_outs = 0;
1184	int num_ins = 0;
1185
1186	const unsigned int id = 0x40;
1187	const int val_type = USB_MIXER_S16;
1188	const int control = 1;
1189
1190	switch (mixer->chip->usb_id) {
1191	case USB_ID(0x0763, 0x2030):
1192		num_outs = 6;
1193		num_ins = 4;
1194		break;
1195	case USB_ID(0x0763, 0x2031):
1196		num_outs = 8;
1197		num_ins = 6;
1198		break;
1199	}
1200
1201	for (chan = 0; chan < num_outs + num_ins; chan++) {
1202		for (out = 0; out < num_outs; out++) {
1203			if (chan < num_outs) {
1204				snprintf(name, sizeof(name),
1205					"PCM%d-Out%d Playback Volume",
1206					chan + 1, out + 1);
1207			} else {
1208				snprintf(name, sizeof(name),
1209					"In%d-Out%d Playback Volume",
1210					chan - num_outs + 1, out + 1);
1211			}
1212
1213			cmask = (out == 0) ? 0 : 1 << (out - 1);
1214			offset = chan * num_outs;
1215			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1216						cmask, val_type, offset, name,
1217						&snd_usb_mixer_vol_tlv);
1218			if (err < 0)
1219				return err;
1220		}
1221	}
1222
1223	return 0;
1224}
1225
1226/* This control needs a volume quirk, see mixer.c */
1227static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1228{
1229	static const char name[] = "Effect Volume";
1230	const unsigned int id = 0x43;
1231	const int val_type = USB_MIXER_U8;
1232	const unsigned int control = 3;
1233	const unsigned int cmask = 0;
1234
1235	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1236					name, snd_usb_mixer_vol_tlv);
1237}
1238
1239/* This control needs a volume quirk, see mixer.c */
1240static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1241{
1242	static const char name[] = "Effect Duration";
1243	const unsigned int id = 0x43;
1244	const int val_type = USB_MIXER_S16;
1245	const unsigned int control = 4;
1246	const unsigned int cmask = 0;
1247
1248	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1249					name, snd_usb_mixer_vol_tlv);
1250}
1251
1252/* This control needs a volume quirk, see mixer.c */
1253static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1254{
1255	static const char name[] = "Effect Feedback Volume";
1256	const unsigned int id = 0x43;
1257	const int val_type = USB_MIXER_U8;
1258	const unsigned int control = 5;
1259	const unsigned int cmask = 0;
1260
1261	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1262					name, NULL);
1263}
1264
1265static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1266{
1267	char name[64];
1268	unsigned int cmask;
1269	int chan, err;
1270	int num_outs = 0;
1271	int num_ins = 0;
1272
1273	const unsigned int id = 0x42;
1274	const int val_type = USB_MIXER_S16;
1275	const int control = 1;
1276
1277	switch (mixer->chip->usb_id) {
1278	case USB_ID(0x0763, 0x2030):
1279		num_outs = 6;
1280		num_ins = 4;
1281		break;
1282	case USB_ID(0x0763, 0x2031):
1283		num_outs = 8;
1284		num_ins = 6;
1285		break;
1286	}
1287
1288	for (chan = 0; chan < num_outs + num_ins; chan++) {
1289		if (chan < num_outs) {
1290			snprintf(name, sizeof(name),
1291				"Effect Send DOut%d",
1292				chan + 1);
1293		} else {
1294			snprintf(name, sizeof(name),
1295				"Effect Send AIn%d",
1296				chan - num_outs + 1);
1297		}
1298
1299		cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1300		err = snd_create_std_mono_ctl(mixer, id, control,
1301						cmask, val_type, name,
1302						&snd_usb_mixer_vol_tlv);
1303		if (err < 0)
1304			return err;
1305	}
1306
1307	return 0;
1308}
1309
1310static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1311{
1312	char name[64];
1313	unsigned int cmask;
1314	int chan, err;
1315	int num_outs = 0;
1316	int offset = 0;
1317
1318	const unsigned int id = 0x40;
1319	const int val_type = USB_MIXER_S16;
1320	const int control = 1;
1321
1322	switch (mixer->chip->usb_id) {
1323	case USB_ID(0x0763, 0x2030):
1324		num_outs = 6;
1325		offset = 0x3c;
1326		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1327		break;
1328	case USB_ID(0x0763, 0x2031):
1329		num_outs = 8;
1330		offset = 0x70;
1331		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1332		break;
1333	}
1334
1335	for (chan = 0; chan < num_outs; chan++) {
1336		snprintf(name, sizeof(name),
1337			"Effect Return %d",
1338			chan + 1);
1339
1340		cmask = (chan == 0) ? 0 :
1341			1 << (chan + (chan % 2) * num_outs - 1);
1342		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1343						cmask, val_type, offset, name,
1344						&snd_usb_mixer_vol_tlv);
1345		if (err < 0)
1346			return err;
1347	}
1348
1349	return 0;
1350}
1351
1352static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1353{
1354	int err;
1355
1356	err = snd_c400_create_vol_ctls(mixer);
1357	if (err < 0)
1358		return err;
1359
1360	err = snd_c400_create_effect_vol_ctls(mixer);
1361	if (err < 0)
1362		return err;
1363
1364	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1365	if (err < 0)
1366		return err;
1367
1368	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1369	if (err < 0)
1370		return err;
1371
1372	err = snd_c400_create_effect_volume_ctl(mixer);
1373	if (err < 0)
1374		return err;
1375
1376	err = snd_c400_create_effect_duration_ctl(mixer);
1377	if (err < 0)
1378		return err;
1379
1380	err = snd_c400_create_effect_feedback_ctl(mixer);
1381	if (err < 0)
1382		return err;
1383
1384	return 0;
1385}
1386
1387/*
1388 * The mixer units for Ebox-44 are corrupt, and even where they
1389 * are valid they presents mono controls as L and R channels of
1390 * stereo. So we provide a good mixer here.
1391 */
1392static const struct std_mono_table ebox44_table[] = {
1393	{
1394		.unitid = 4,
1395		.control = 1,
1396		.cmask = 0x0,
1397		.val_type = USB_MIXER_INV_BOOLEAN,
1398		.name = "Headphone Playback Switch"
1399	},
1400	{
1401		.unitid = 4,
1402		.control = 2,
1403		.cmask = 0x1,
1404		.val_type = USB_MIXER_S16,
1405		.name = "Headphone A Mix Playback Volume"
1406	},
1407	{
1408		.unitid = 4,
1409		.control = 2,
1410		.cmask = 0x2,
1411		.val_type = USB_MIXER_S16,
1412		.name = "Headphone B Mix Playback Volume"
1413	},
1414
1415	{
1416		.unitid = 7,
1417		.control = 1,
1418		.cmask = 0x0,
1419		.val_type = USB_MIXER_INV_BOOLEAN,
1420		.name = "Output Playback Switch"
1421	},
1422	{
1423		.unitid = 7,
1424		.control = 2,
1425		.cmask = 0x1,
1426		.val_type = USB_MIXER_S16,
1427		.name = "Output A Playback Volume"
1428	},
1429	{
1430		.unitid = 7,
1431		.control = 2,
1432		.cmask = 0x2,
1433		.val_type = USB_MIXER_S16,
1434		.name = "Output B Playback Volume"
1435	},
1436
1437	{
1438		.unitid = 10,
1439		.control = 1,
1440		.cmask = 0x0,
1441		.val_type = USB_MIXER_INV_BOOLEAN,
1442		.name = "Input Capture Switch"
1443	},
1444	{
1445		.unitid = 10,
1446		.control = 2,
1447		.cmask = 0x1,
1448		.val_type = USB_MIXER_S16,
1449		.name = "Input A Capture Volume"
1450	},
1451	{
1452		.unitid = 10,
1453		.control = 2,
1454		.cmask = 0x2,
1455		.val_type = USB_MIXER_S16,
1456		.name = "Input B Capture Volume"
1457	},
1458
1459	{}
1460};
1461
1462/* Audio Advantage Micro II findings:
1463 *
1464 * Mapping spdif AES bits to vendor register.bit:
1465 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1466 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1467 * AES2: [0 0 0 0 0 0 0 0]
1468 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1469 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1470 *
1471 * power on values:
1472 * r2: 0x10
1473 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1474 *           just after it to 0xa0, presumably it disables/mutes some analog
1475 *           parts when there is no audio.)
1476 * r9: 0x28
1477 *
1478 * Optical transmitter on/off:
1479 * vendor register.bit: 9.1
1480 * 0 - on (0x28 register value)
1481 * 1 - off (0x2a register value)
1482 *
1483 */
1484static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1485	struct snd_ctl_elem_info *uinfo)
1486{
1487	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1488	uinfo->count = 1;
1489	return 0;
1490}
1491
1492static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1493	struct snd_ctl_elem_value *ucontrol)
1494{
1495	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1496	struct snd_usb_audio *chip = list->mixer->chip;
1497	int err;
1498	struct usb_interface *iface;
1499	struct usb_host_interface *alts;
1500	unsigned int ep;
1501	unsigned char data[3];
1502	int rate;
1503
1504	err = snd_usb_lock_shutdown(chip);
1505	if (err < 0)
1506		return err;
1507
1508	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1509	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1510	ucontrol->value.iec958.status[2] = 0x00;
1511
1512	/* use known values for that card: interface#1 altsetting#1 */
1513	iface = usb_ifnum_to_if(chip->dev, 1);
1514	if (!iface || iface->num_altsetting < 2) {
1515		err = -EINVAL;
1516		goto end;
1517	}
1518	alts = &iface->altsetting[1];
1519	if (get_iface_desc(alts)->bNumEndpoints < 1) {
1520		err = -EINVAL;
1521		goto end;
1522	}
1523	ep = get_endpoint(alts, 0)->bEndpointAddress;
1524
1525	err = snd_usb_ctl_msg(chip->dev,
1526			usb_rcvctrlpipe(chip->dev, 0),
1527			UAC_GET_CUR,
1528			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1529			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1530			ep,
1531			data,
1532			sizeof(data));
1533	if (err < 0)
1534		goto end;
1535
1536	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1537	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1538			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1539
1540	err = 0;
1541 end:
1542	snd_usb_unlock_shutdown(chip);
1543	return err;
1544}
1545
1546static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1547{
1548	struct snd_usb_audio *chip = list->mixer->chip;
1549	unsigned int pval = list->kctl->private_value;
1550	u8 reg;
1551	int err;
1552
1553	err = snd_usb_lock_shutdown(chip);
1554	if (err < 0)
1555		return err;
1556
1557	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1558	err = snd_usb_ctl_msg(chip->dev,
1559			usb_sndctrlpipe(chip->dev, 0),
1560			UAC_SET_CUR,
1561			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1562			reg,
1563			2,
1564			NULL,
1565			0);
1566	if (err < 0)
1567		goto end;
1568
1569	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1570	reg |= (pval >> 12) & 0x0f;
1571	err = snd_usb_ctl_msg(chip->dev,
1572			usb_sndctrlpipe(chip->dev, 0),
1573			UAC_SET_CUR,
1574			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1575			reg,
1576			3,
1577			NULL,
1578			0);
1579	if (err < 0)
1580		goto end;
1581
1582 end:
1583	snd_usb_unlock_shutdown(chip);
1584	return err;
1585}
1586
1587static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1588	struct snd_ctl_elem_value *ucontrol)
1589{
1590	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1591	unsigned int pval, pval_old;
1592	int err;
1593
1594	pval = pval_old = kcontrol->private_value;
1595	pval &= 0xfffff0f0;
1596	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1597	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1598
1599	pval &= 0xffff0fff;
1600	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1601
1602	/* The frequency bits in AES3 cannot be set via register access. */
1603
1604	/* Silently ignore any bits from the request that cannot be set. */
1605
1606	if (pval == pval_old)
1607		return 0;
1608
1609	kcontrol->private_value = pval;
1610	err = snd_microii_spdif_default_update(list);
1611	return err < 0 ? err : 1;
1612}
1613
1614static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1615	struct snd_ctl_elem_value *ucontrol)
1616{
1617	ucontrol->value.iec958.status[0] = 0x0f;
1618	ucontrol->value.iec958.status[1] = 0xff;
1619	ucontrol->value.iec958.status[2] = 0x00;
1620	ucontrol->value.iec958.status[3] = 0x00;
1621
1622	return 0;
1623}
1624
1625static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1626	struct snd_ctl_elem_value *ucontrol)
1627{
1628	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1629
1630	return 0;
1631}
1632
1633static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1634{
1635	struct snd_usb_audio *chip = list->mixer->chip;
1636	u8 reg = list->kctl->private_value;
1637	int err;
1638
1639	err = snd_usb_lock_shutdown(chip);
1640	if (err < 0)
1641		return err;
1642
1643	err = snd_usb_ctl_msg(chip->dev,
1644			usb_sndctrlpipe(chip->dev, 0),
1645			UAC_SET_CUR,
1646			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1647			reg,
1648			9,
1649			NULL,
1650			0);
1651
1652	snd_usb_unlock_shutdown(chip);
1653	return err;
1654}
1655
1656static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1657	struct snd_ctl_elem_value *ucontrol)
1658{
1659	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1660	u8 reg;
1661	int err;
1662
1663	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1664	if (reg != list->kctl->private_value)
1665		return 0;
1666
1667	kcontrol->private_value = reg;
1668	err = snd_microii_spdif_switch_update(list);
1669	return err < 0 ? err : 1;
1670}
1671
1672static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1673	{
1674		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1675		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1676		.info =     snd_microii_spdif_info,
1677		.get =      snd_microii_spdif_default_get,
1678		.put =      snd_microii_spdif_default_put,
1679		.private_value = 0x00000100UL,/* reset value */
1680	},
1681	{
1682		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1683		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1684		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1685		.info =     snd_microii_spdif_info,
1686		.get =      snd_microii_spdif_mask_get,
1687	},
1688	{
1689		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1690		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1691		.info =     snd_ctl_boolean_mono_info,
1692		.get =      snd_microii_spdif_switch_get,
1693		.put =      snd_microii_spdif_switch_put,
1694		.private_value = 0x00000028UL,/* reset value */
1695	}
1696};
1697
1698static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1699{
1700	int err, i;
1701	static const usb_mixer_elem_resume_func_t resume_funcs[] = {
1702		snd_microii_spdif_default_update,
1703		NULL,
1704		snd_microii_spdif_switch_update
1705	};
1706
1707	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1708		err = add_single_ctl_with_resume(mixer, 0,
1709						 resume_funcs[i],
1710						 &snd_microii_mixer_spdif[i],
1711						 NULL);
1712		if (err < 0)
1713			return err;
1714	}
1715
1716	return 0;
1717}
1718
1719/* Creative Sound Blaster E1 */
1720
1721static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
1722					  struct snd_ctl_elem_value *ucontrol)
1723{
1724	ucontrol->value.integer.value[0] = kcontrol->private_value;
1725	return 0;
1726}
1727
1728static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
1729					     unsigned char state)
1730{
1731	struct snd_usb_audio *chip = mixer->chip;
1732	int err;
1733	unsigned char buff[2];
1734
1735	buff[0] = 0x02;
1736	buff[1] = state ? 0x02 : 0x00;
1737
1738	err = snd_usb_lock_shutdown(chip);
1739	if (err < 0)
1740		return err;
1741	err = snd_usb_ctl_msg(chip->dev,
1742			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
1743			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
1744			0x0202, 3, buff, 2);
1745	snd_usb_unlock_shutdown(chip);
1746	return err;
1747}
1748
1749static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
1750					  struct snd_ctl_elem_value *ucontrol)
1751{
1752	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1753	unsigned char value = !!ucontrol->value.integer.value[0];
1754	int err;
1755
1756	if (kcontrol->private_value == value)
1757		return 0;
1758	kcontrol->private_value = value;
1759	err = snd_soundblaster_e1_switch_update(list->mixer, value);
1760	return err < 0 ? err : 1;
1761}
1762
1763static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
1764{
1765	return snd_soundblaster_e1_switch_update(list->mixer,
1766						 list->kctl->private_value);
1767}
1768
1769static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
1770					   struct snd_ctl_elem_info *uinfo)
1771{
1772	static const char *const texts[2] = {
1773		"Mic", "Aux"
1774	};
1775
1776	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1777}
1778
1779static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
1780	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1781	.name = "Input Source",
1782	.info = snd_soundblaster_e1_switch_info,
1783	.get = snd_soundblaster_e1_switch_get,
1784	.put = snd_soundblaster_e1_switch_put,
1785	.private_value = 0,
1786};
1787
1788static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
1789{
1790	return add_single_ctl_with_resume(mixer, 0,
1791					  snd_soundblaster_e1_switch_resume,
1792					  &snd_soundblaster_e1_input_switch,
1793					  NULL);
1794}
1795
1796static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id)
1797{
1798	u16 buf = 0;
1799
1800	snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
1801			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
1802			ch, snd_usb_ctrl_intf(chip) | (id << 8),
1803			&buf, 2);
1804}
1805
1806static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)
1807{
1808	/* fix to 0dB playback volumes */
1809	dell_dock_init_vol(mixer->chip, 1, 16);
1810	dell_dock_init_vol(mixer->chip, 2, 16);
1811	dell_dock_init_vol(mixer->chip, 1, 19);
1812	dell_dock_init_vol(mixer->chip, 2, 19);
1813	return 0;
1814}
1815
1816/* RME Class Compliant device quirks */
1817
1818#define SND_RME_GET_STATUS1			23
1819#define SND_RME_GET_CURRENT_FREQ		17
1820#define SND_RME_CLK_SYSTEM_SHIFT		16
1821#define SND_RME_CLK_SYSTEM_MASK			0x1f
1822#define SND_RME_CLK_AES_SHIFT			8
1823#define SND_RME_CLK_SPDIF_SHIFT			12
1824#define SND_RME_CLK_AES_SPDIF_MASK		0xf
1825#define SND_RME_CLK_SYNC_SHIFT			6
1826#define SND_RME_CLK_SYNC_MASK			0x3
1827#define SND_RME_CLK_FREQMUL_SHIFT		18
1828#define SND_RME_CLK_FREQMUL_MASK		0x7
1829#define SND_RME_CLK_SYSTEM(x) \
1830	((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK)
1831#define SND_RME_CLK_AES(x) \
1832	((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
1833#define SND_RME_CLK_SPDIF(x) \
1834	((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
1835#define SND_RME_CLK_SYNC(x) \
1836	((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK)
1837#define SND_RME_CLK_FREQMUL(x) \
1838	((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK)
1839#define SND_RME_CLK_AES_LOCK			0x1
1840#define SND_RME_CLK_AES_SYNC			0x4
1841#define SND_RME_CLK_SPDIF_LOCK			0x2
1842#define SND_RME_CLK_SPDIF_SYNC			0x8
1843#define SND_RME_SPDIF_IF_SHIFT			4
1844#define SND_RME_SPDIF_FORMAT_SHIFT		5
1845#define SND_RME_BINARY_MASK			0x1
1846#define SND_RME_SPDIF_IF(x) \
1847	((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK)
1848#define SND_RME_SPDIF_FORMAT(x) \
1849	((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK)
1850
1851static const u32 snd_rme_rate_table[] = {
1852	32000, 44100, 48000, 50000,
1853	64000, 88200, 96000, 100000,
1854	128000, 176400, 192000, 200000,
1855	256000,	352800, 384000, 400000,
1856	512000, 705600, 768000, 800000
1857};
1858/* maximum number of items for AES and S/PDIF rates for above table */
1859#define SND_RME_RATE_IDX_AES_SPDIF_NUM		12
1860
1861enum snd_rme_domain {
1862	SND_RME_DOMAIN_SYSTEM,
1863	SND_RME_DOMAIN_AES,
1864	SND_RME_DOMAIN_SPDIF
1865};
1866
1867enum snd_rme_clock_status {
1868	SND_RME_CLOCK_NOLOCK,
1869	SND_RME_CLOCK_LOCK,
1870	SND_RME_CLOCK_SYNC
1871};
1872
1873static int snd_rme_read_value(struct snd_usb_audio *chip,
1874			      unsigned int item,
1875			      u32 *value)
1876{
1877	struct usb_device *dev = chip->dev;
1878	int err;
1879
1880	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
1881			      item,
1882			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1883			      0, 0,
1884			      value, sizeof(*value));
1885	if (err < 0)
1886		dev_err(&dev->dev,
1887			"unable to issue vendor read request %d (ret = %d)",
1888			item, err);
1889	return err;
1890}
1891
1892static int snd_rme_get_status1(struct snd_kcontrol *kcontrol,
1893			       u32 *status1)
1894{
1895	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1896	struct snd_usb_audio *chip = list->mixer->chip;
1897	int err;
1898
1899	err = snd_usb_lock_shutdown(chip);
1900	if (err < 0)
1901		return err;
1902	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1);
1903	snd_usb_unlock_shutdown(chip);
1904	return err;
1905}
1906
1907static int snd_rme_rate_get(struct snd_kcontrol *kcontrol,
1908			    struct snd_ctl_elem_value *ucontrol)
1909{
1910	u32 status1;
1911	u32 rate = 0;
1912	int idx;
1913	int err;
1914
1915	err = snd_rme_get_status1(kcontrol, &status1);
1916	if (err < 0)
1917		return err;
1918	switch (kcontrol->private_value) {
1919	case SND_RME_DOMAIN_SYSTEM:
1920		idx = SND_RME_CLK_SYSTEM(status1);
1921		if (idx < ARRAY_SIZE(snd_rme_rate_table))
1922			rate = snd_rme_rate_table[idx];
1923		break;
1924	case SND_RME_DOMAIN_AES:
1925		idx = SND_RME_CLK_AES(status1);
1926		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
1927			rate = snd_rme_rate_table[idx];
1928		break;
1929	case SND_RME_DOMAIN_SPDIF:
1930		idx = SND_RME_CLK_SPDIF(status1);
1931		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
1932			rate = snd_rme_rate_table[idx];
1933		break;
1934	default:
1935		return -EINVAL;
1936	}
1937	ucontrol->value.integer.value[0] = rate;
1938	return 0;
1939}
1940
1941static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol,
1942				  struct snd_ctl_elem_value *ucontrol)
1943{
1944	u32 status1;
1945	int idx = SND_RME_CLOCK_NOLOCK;
1946	int err;
1947
1948	err = snd_rme_get_status1(kcontrol, &status1);
1949	if (err < 0)
1950		return err;
1951	switch (kcontrol->private_value) {
1952	case SND_RME_DOMAIN_AES:  /* AES */
1953		if (status1 & SND_RME_CLK_AES_SYNC)
1954			idx = SND_RME_CLOCK_SYNC;
1955		else if (status1 & SND_RME_CLK_AES_LOCK)
1956			idx = SND_RME_CLOCK_LOCK;
1957		break;
1958	case SND_RME_DOMAIN_SPDIF:  /* SPDIF */
1959		if (status1 & SND_RME_CLK_SPDIF_SYNC)
1960			idx = SND_RME_CLOCK_SYNC;
1961		else if (status1 & SND_RME_CLK_SPDIF_LOCK)
1962			idx = SND_RME_CLOCK_LOCK;
1963		break;
1964	default:
1965		return -EINVAL;
1966	}
1967	ucontrol->value.enumerated.item[0] = idx;
1968	return 0;
1969}
1970
1971static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol,
1972				struct snd_ctl_elem_value *ucontrol)
1973{
1974	u32 status1;
1975	int err;
1976
1977	err = snd_rme_get_status1(kcontrol, &status1);
1978	if (err < 0)
1979		return err;
1980	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1);
1981	return 0;
1982}
1983
1984static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol,
1985				    struct snd_ctl_elem_value *ucontrol)
1986{
1987	u32 status1;
1988	int err;
1989
1990	err = snd_rme_get_status1(kcontrol, &status1);
1991	if (err < 0)
1992		return err;
1993	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1);
1994	return 0;
1995}
1996
1997static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol,
1998				   struct snd_ctl_elem_value *ucontrol)
1999{
2000	u32 status1;
2001	int err;
2002
2003	err = snd_rme_get_status1(kcontrol, &status1);
2004	if (err < 0)
2005		return err;
2006	ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1);
2007	return 0;
2008}
2009
2010static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol,
2011				    struct snd_ctl_elem_value *ucontrol)
2012{
2013	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2014	struct snd_usb_audio *chip = list->mixer->chip;
2015	u32 status1;
2016	const u64 num = 104857600000000ULL;
2017	u32 den;
2018	unsigned int freq;
2019	int err;
2020
2021	err = snd_usb_lock_shutdown(chip);
2022	if (err < 0)
2023		return err;
2024	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1);
2025	if (err < 0)
2026		goto end;
2027	err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den);
2028	if (err < 0)
2029		goto end;
2030	freq = (den == 0) ? 0 : div64_u64(num, den);
2031	freq <<= SND_RME_CLK_FREQMUL(status1);
2032	ucontrol->value.integer.value[0] = freq;
2033
2034end:
2035	snd_usb_unlock_shutdown(chip);
2036	return err;
2037}
2038
2039static int snd_rme_rate_info(struct snd_kcontrol *kcontrol,
2040			     struct snd_ctl_elem_info *uinfo)
2041{
2042	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2043	uinfo->count = 1;
2044	switch (kcontrol->private_value) {
2045	case SND_RME_DOMAIN_SYSTEM:
2046		uinfo->value.integer.min = 32000;
2047		uinfo->value.integer.max = 800000;
2048		break;
2049	case SND_RME_DOMAIN_AES:
2050	case SND_RME_DOMAIN_SPDIF:
2051	default:
2052		uinfo->value.integer.min = 0;
2053		uinfo->value.integer.max = 200000;
2054	}
2055	uinfo->value.integer.step = 0;
2056	return 0;
2057}
2058
2059static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol,
2060				   struct snd_ctl_elem_info *uinfo)
2061{
2062	static const char *const sync_states[] = {
2063		"No Lock", "Lock", "Sync"
2064	};
2065
2066	return snd_ctl_enum_info(uinfo, 1,
2067				 ARRAY_SIZE(sync_states), sync_states);
2068}
2069
2070static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol,
2071				 struct snd_ctl_elem_info *uinfo)
2072{
2073	static const char *const spdif_if[] = {
2074		"Coaxial", "Optical"
2075	};
2076
2077	return snd_ctl_enum_info(uinfo, 1,
2078				 ARRAY_SIZE(spdif_if), spdif_if);
2079}
2080
2081static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol,
2082				     struct snd_ctl_elem_info *uinfo)
2083{
2084	static const char *const optical_type[] = {
2085		"Consumer", "Professional"
2086	};
2087
2088	return snd_ctl_enum_info(uinfo, 1,
2089				 ARRAY_SIZE(optical_type), optical_type);
2090}
2091
2092static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol,
2093				    struct snd_ctl_elem_info *uinfo)
2094{
2095	static const char *const sync_sources[] = {
2096		"Internal", "AES", "SPDIF", "Internal"
2097	};
2098
2099	return snd_ctl_enum_info(uinfo, 1,
2100				 ARRAY_SIZE(sync_sources), sync_sources);
2101}
2102
2103static const struct snd_kcontrol_new snd_rme_controls[] = {
2104	{
2105		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2106		.name = "AES Rate",
2107		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2108		.info = snd_rme_rate_info,
2109		.get = snd_rme_rate_get,
2110		.private_value = SND_RME_DOMAIN_AES
2111	},
2112	{
2113		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2114		.name = "AES Sync",
2115		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2116		.info = snd_rme_sync_state_info,
2117		.get = snd_rme_sync_state_get,
2118		.private_value = SND_RME_DOMAIN_AES
2119	},
2120	{
2121		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2122		.name = "SPDIF Rate",
2123		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2124		.info = snd_rme_rate_info,
2125		.get = snd_rme_rate_get,
2126		.private_value = SND_RME_DOMAIN_SPDIF
2127	},
2128	{
2129		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2130		.name = "SPDIF Sync",
2131		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2132		.info = snd_rme_sync_state_info,
2133		.get = snd_rme_sync_state_get,
2134		.private_value = SND_RME_DOMAIN_SPDIF
2135	},
2136	{
2137		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2138		.name = "SPDIF Interface",
2139		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2140		.info = snd_rme_spdif_if_info,
2141		.get = snd_rme_spdif_if_get,
2142	},
2143	{
2144		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2145		.name = "SPDIF Format",
2146		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2147		.info = snd_rme_spdif_format_info,
2148		.get = snd_rme_spdif_format_get,
2149	},
2150	{
2151		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2152		.name = "Sync Source",
2153		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2154		.info = snd_rme_sync_source_info,
2155		.get = snd_rme_sync_source_get
2156	},
2157	{
2158		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2159		.name = "System Rate",
2160		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2161		.info = snd_rme_rate_info,
2162		.get = snd_rme_rate_get,
2163		.private_value = SND_RME_DOMAIN_SYSTEM
2164	},
2165	{
2166		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2167		.name = "Current Frequency",
2168		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2169		.info = snd_rme_rate_info,
2170		.get = snd_rme_current_freq_get
2171	}
2172};
2173
2174static int snd_rme_controls_create(struct usb_mixer_interface *mixer)
2175{
2176	int err, i;
2177
2178	for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) {
2179		err = add_single_ctl_with_resume(mixer, 0,
2180						 NULL,
2181						 &snd_rme_controls[i],
2182						 NULL);
2183		if (err < 0)
2184			return err;
2185	}
2186
2187	return 0;
2188}
2189
2190/*
2191 * RME Babyface Pro (FS)
2192 *
2193 * These devices exposes a couple of DSP functions via request to EP0.
2194 * Switches are available via control registers, while routing is controlled
2195 * by controlling the volume on each possible crossing point.
2196 * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with
2197 * 0dB being at dec. 32768.
2198 */
2199enum {
2200	SND_BBFPRO_CTL_REG1 = 0,
2201	SND_BBFPRO_CTL_REG2
2202};
2203
2204#define SND_BBFPRO_CTL_REG_MASK 1
2205#define SND_BBFPRO_CTL_IDX_MASK 0xff
2206#define SND_BBFPRO_CTL_IDX_SHIFT 1
2207#define SND_BBFPRO_CTL_VAL_MASK 1
2208#define SND_BBFPRO_CTL_VAL_SHIFT 9
2209#define SND_BBFPRO_CTL_REG1_CLK_MASTER 0
2210#define SND_BBFPRO_CTL_REG1_CLK_OPTICAL 1
2211#define SND_BBFPRO_CTL_REG1_SPDIF_PRO 7
2212#define SND_BBFPRO_CTL_REG1_SPDIF_EMPH 8
2213#define SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL 10
2214#define SND_BBFPRO_CTL_REG2_48V_AN1 0
2215#define SND_BBFPRO_CTL_REG2_48V_AN2 1
2216#define SND_BBFPRO_CTL_REG2_SENS_IN3 2
2217#define SND_BBFPRO_CTL_REG2_SENS_IN4 3
2218#define SND_BBFPRO_CTL_REG2_PAD_AN1 4
2219#define SND_BBFPRO_CTL_REG2_PAD_AN2 5
2220
2221#define SND_BBFPRO_MIXER_IDX_MASK 0x1ff
2222#define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff
2223#define SND_BBFPRO_MIXER_VAL_SHIFT 9
2224#define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf
2225#define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB
2226
2227#define SND_BBFPRO_USBREQ_CTL_REG1 0x10
2228#define SND_BBFPRO_USBREQ_CTL_REG2 0x17
2229#define SND_BBFPRO_USBREQ_MIXER 0x12
2230
2231static int snd_bbfpro_ctl_update(struct usb_mixer_interface *mixer, u8 reg,
2232				 u8 index, u8 value)
2233{
2234	int err;
2235	u16 usb_req, usb_idx, usb_val;
2236	struct snd_usb_audio *chip = mixer->chip;
2237
2238	err = snd_usb_lock_shutdown(chip);
2239	if (err < 0)
2240		return err;
2241
2242	if (reg == SND_BBFPRO_CTL_REG1) {
2243		usb_req = SND_BBFPRO_USBREQ_CTL_REG1;
2244		if (index == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2245			usb_idx = 3;
2246			usb_val = value ? 3 : 0;
2247		} else {
2248			usb_idx = 1 << index;
2249			usb_val = value ? usb_idx : 0;
2250		}
2251	} else {
2252		usb_req = SND_BBFPRO_USBREQ_CTL_REG2;
2253		usb_idx = 1 << index;
2254		usb_val = value ? usb_idx : 0;
2255	}
2256
2257	err = snd_usb_ctl_msg(chip->dev,
2258			      usb_sndctrlpipe(chip->dev, 0), usb_req,
2259			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2260			      usb_val, usb_idx, NULL, 0);
2261
2262	snd_usb_unlock_shutdown(chip);
2263	return err;
2264}
2265
2266static int snd_bbfpro_ctl_get(struct snd_kcontrol *kcontrol,
2267			      struct snd_ctl_elem_value *ucontrol)
2268{
2269	u8 reg, idx, val;
2270	int pv;
2271
2272	pv = kcontrol->private_value;
2273	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2274	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2275	val = kcontrol->private_value >> SND_BBFPRO_CTL_VAL_SHIFT;
2276
2277	if ((reg == SND_BBFPRO_CTL_REG1 &&
2278	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2279	    (reg == SND_BBFPRO_CTL_REG2 &&
2280	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2281	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2282		ucontrol->value.enumerated.item[0] = val;
2283	} else {
2284		ucontrol->value.integer.value[0] = val;
2285	}
2286	return 0;
2287}
2288
2289static int snd_bbfpro_ctl_info(struct snd_kcontrol *kcontrol,
2290			       struct snd_ctl_elem_info *uinfo)
2291{
2292	u8 reg, idx;
2293	int pv;
2294
2295	pv = kcontrol->private_value;
2296	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2297	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2298
2299	if (reg == SND_BBFPRO_CTL_REG1 &&
2300	    idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2301		static const char * const texts[2] = {
2302			"AutoSync",
2303			"Internal"
2304		};
2305		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2306	} else if (reg == SND_BBFPRO_CTL_REG2 &&
2307		   (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2308		    idx == SND_BBFPRO_CTL_REG2_SENS_IN4)) {
2309		static const char * const texts[2] = {
2310			"-10dBV",
2311			"+4dBu"
2312		};
2313		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2314	}
2315
2316	uinfo->count = 1;
2317	uinfo->value.integer.min = 0;
2318	uinfo->value.integer.max = 1;
2319	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2320	return 0;
2321}
2322
2323static int snd_bbfpro_ctl_put(struct snd_kcontrol *kcontrol,
2324			      struct snd_ctl_elem_value *ucontrol)
2325{
2326	int err;
2327	u8 reg, idx;
2328	int old_value, pv, val;
2329
2330	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2331	struct usb_mixer_interface *mixer = list->mixer;
2332
2333	pv = kcontrol->private_value;
2334	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2335	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2336	old_value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2337
2338	if ((reg == SND_BBFPRO_CTL_REG1 &&
2339	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2340	    (reg == SND_BBFPRO_CTL_REG2 &&
2341	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2342	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2343		val = ucontrol->value.enumerated.item[0];
2344	} else {
2345		val = ucontrol->value.integer.value[0];
2346	}
2347
2348	if (val > 1)
2349		return -EINVAL;
2350
2351	if (val == old_value)
2352		return 0;
2353
2354	kcontrol->private_value = reg
2355		| ((idx & SND_BBFPRO_CTL_IDX_MASK) << SND_BBFPRO_CTL_IDX_SHIFT)
2356		| ((val & SND_BBFPRO_CTL_VAL_MASK) << SND_BBFPRO_CTL_VAL_SHIFT);
2357
2358	err = snd_bbfpro_ctl_update(mixer, reg, idx, val);
2359	return err < 0 ? err : 1;
2360}
2361
2362static int snd_bbfpro_ctl_resume(struct usb_mixer_elem_list *list)
2363{
2364	u8 reg, idx;
2365	int value, pv;
2366
2367	pv = list->kctl->private_value;
2368	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2369	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2370	value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2371
2372	return snd_bbfpro_ctl_update(list->mixer, reg, idx, value);
2373}
2374
2375static int snd_bbfpro_vol_update(struct usb_mixer_interface *mixer, u16 index,
2376				 u32 value)
2377{
2378	struct snd_usb_audio *chip = mixer->chip;
2379	int err;
2380	u16 idx;
2381	u16 usb_idx, usb_val;
2382	u32 v;
2383
2384	err = snd_usb_lock_shutdown(chip);
2385	if (err < 0)
2386		return err;
2387
2388	idx = index & SND_BBFPRO_MIXER_IDX_MASK;
2389	// 18 bit linear volume, split so 2 bits end up in index.
2390	v = value & SND_BBFPRO_MIXER_VAL_MASK;
2391	usb_idx = idx | (v & 0x3) << 14;
2392	usb_val = (v >> 2) & 0xffff;
2393
2394	err = snd_usb_ctl_msg(chip->dev,
2395			      usb_sndctrlpipe(chip->dev, 0),
2396			      SND_BBFPRO_USBREQ_MIXER,
2397			      USB_DIR_OUT | USB_TYPE_VENDOR |
2398			      USB_RECIP_DEVICE,
2399			      usb_val, usb_idx, NULL, 0);
2400
2401	snd_usb_unlock_shutdown(chip);
2402	return err;
2403}
2404
2405static int snd_bbfpro_vol_get(struct snd_kcontrol *kcontrol,
2406			      struct snd_ctl_elem_value *ucontrol)
2407{
2408	ucontrol->value.integer.value[0] =
2409		kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2410	return 0;
2411}
2412
2413static int snd_bbfpro_vol_info(struct snd_kcontrol *kcontrol,
2414			       struct snd_ctl_elem_info *uinfo)
2415{
2416	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2417	uinfo->count = 1;
2418	uinfo->value.integer.min = SND_BBFPRO_MIXER_VAL_MIN;
2419	uinfo->value.integer.max = SND_BBFPRO_MIXER_VAL_MAX;
2420	return 0;
2421}
2422
2423static int snd_bbfpro_vol_put(struct snd_kcontrol *kcontrol,
2424			      struct snd_ctl_elem_value *ucontrol)
2425{
2426	int err;
2427	u16 idx;
2428	u32 new_val, old_value, uvalue;
2429	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2430	struct usb_mixer_interface *mixer = list->mixer;
2431
2432	uvalue = ucontrol->value.integer.value[0];
2433	idx = kcontrol->private_value & SND_BBFPRO_MIXER_IDX_MASK;
2434	old_value = kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2435
2436	if (uvalue > SND_BBFPRO_MIXER_VAL_MAX)
2437		return -EINVAL;
2438
2439	if (uvalue == old_value)
2440		return 0;
2441
2442	new_val = uvalue & SND_BBFPRO_MIXER_VAL_MASK;
2443
2444	kcontrol->private_value = idx
2445		| (new_val << SND_BBFPRO_MIXER_VAL_SHIFT);
2446
2447	err = snd_bbfpro_vol_update(mixer, idx, new_val);
2448	return err < 0 ? err : 1;
2449}
2450
2451static int snd_bbfpro_vol_resume(struct usb_mixer_elem_list *list)
2452{
2453	int pv = list->kctl->private_value;
2454	u16 idx = pv & SND_BBFPRO_MIXER_IDX_MASK;
2455	u32 val = (pv >> SND_BBFPRO_MIXER_VAL_SHIFT)
2456		& SND_BBFPRO_MIXER_VAL_MASK;
2457	return snd_bbfpro_vol_update(list->mixer, idx, val);
2458}
2459
2460// Predfine elements
2461static const struct snd_kcontrol_new snd_bbfpro_ctl_control = {
2462	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2463	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2464	.index = 0,
2465	.info = snd_bbfpro_ctl_info,
2466	.get = snd_bbfpro_ctl_get,
2467	.put = snd_bbfpro_ctl_put
2468};
2469
2470static const struct snd_kcontrol_new snd_bbfpro_vol_control = {
2471	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2472	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2473	.index = 0,
2474	.info = snd_bbfpro_vol_info,
2475	.get = snd_bbfpro_vol_get,
2476	.put = snd_bbfpro_vol_put
2477};
2478
2479static int snd_bbfpro_ctl_add(struct usb_mixer_interface *mixer, u8 reg,
2480			      u8 index, char *name)
2481{
2482	struct snd_kcontrol_new knew = snd_bbfpro_ctl_control;
2483
2484	knew.name = name;
2485	knew.private_value = (reg & SND_BBFPRO_CTL_REG_MASK)
2486		| ((index & SND_BBFPRO_CTL_IDX_MASK)
2487			<< SND_BBFPRO_CTL_IDX_SHIFT);
2488
2489	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_ctl_resume,
2490		&knew, NULL);
2491}
2492
2493static int snd_bbfpro_vol_add(struct usb_mixer_interface *mixer, u16 index,
2494			      char *name)
2495{
2496	struct snd_kcontrol_new knew = snd_bbfpro_vol_control;
2497
2498	knew.name = name;
2499	knew.private_value = index & SND_BBFPRO_MIXER_IDX_MASK;
2500
2501	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_vol_resume,
2502		&knew, NULL);
2503}
2504
2505static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)
2506{
2507	int err, i, o;
2508	char name[48];
2509
2510	static const char * const input[] = {
2511		"AN1", "AN2", "IN3", "IN4", "AS1", "AS2", "ADAT3",
2512		"ADAT4", "ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2513
2514	static const char * const output[] = {
2515		"AN1", "AN2", "PH3", "PH4", "AS1", "AS2", "ADAT3", "ADAT4",
2516		"ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2517
2518	for (o = 0 ; o < 12 ; ++o) {
2519		for (i = 0 ; i < 12 ; ++i) {
2520			// Line routing
2521			snprintf(name, sizeof(name),
2522				 "%s-%s-%s Playback Volume",
2523				 (i < 2 ? "Mic" : "Line"),
2524				 input[i], output[o]);
2525			err = snd_bbfpro_vol_add(mixer, (26 * o + i), name);
2526			if (err < 0)
2527				return err;
2528
2529			// PCM routing... yes, it is output remapping
2530			snprintf(name, sizeof(name),
2531				 "PCM-%s-%s Playback Volume",
2532				 output[i], output[o]);
2533			err = snd_bbfpro_vol_add(mixer, (26 * o + 12 + i),
2534						 name);
2535			if (err < 0)
2536				return err;
2537		}
2538	}
2539
2540	// Control Reg 1
2541	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2542				 SND_BBFPRO_CTL_REG1_CLK_OPTICAL,
2543				 "Sample Clock Source");
2544	if (err < 0)
2545		return err;
2546
2547	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2548				 SND_BBFPRO_CTL_REG1_SPDIF_PRO,
2549				 "IEC958 Pro Mask");
2550	if (err < 0)
2551		return err;
2552
2553	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2554				 SND_BBFPRO_CTL_REG1_SPDIF_EMPH,
2555				 "IEC958 Emphasis");
2556	if (err < 0)
2557		return err;
2558
2559	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2560				 SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL,
2561				 "IEC958 Switch");
2562	if (err < 0)
2563		return err;
2564
2565	// Control Reg 2
2566	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2567				 SND_BBFPRO_CTL_REG2_48V_AN1,
2568				 "Mic-AN1 48V");
2569	if (err < 0)
2570		return err;
2571
2572	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2573				 SND_BBFPRO_CTL_REG2_48V_AN2,
2574				 "Mic-AN2 48V");
2575	if (err < 0)
2576		return err;
2577
2578	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2579				 SND_BBFPRO_CTL_REG2_SENS_IN3,
2580				 "Line-IN3 Sens.");
2581	if (err < 0)
2582		return err;
2583
2584	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2585				 SND_BBFPRO_CTL_REG2_SENS_IN4,
2586				 "Line-IN4 Sens.");
2587	if (err < 0)
2588		return err;
2589
2590	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2591				 SND_BBFPRO_CTL_REG2_PAD_AN1,
2592				 "Mic-AN1 PAD");
2593	if (err < 0)
2594		return err;
2595
2596	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2597				 SND_BBFPRO_CTL_REG2_PAD_AN2,
2598				 "Mic-AN2 PAD");
2599	if (err < 0)
2600		return err;
2601
2602	return 0;
2603}
2604
2605int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
2606{
2607	int err = 0;
 
2608
2609	err = snd_usb_soundblaster_remote_init(mixer);
2610	if (err < 0)
2611		return err;
2612
2613	switch (mixer->chip->usb_id) {
2614	/* Tascam US-16x08 */
2615	case USB_ID(0x0644, 0x8047):
2616		err = snd_us16x08_controls_create(mixer);
2617		break;
2618	case USB_ID(0x041e, 0x3020):
2619	case USB_ID(0x041e, 0x3040):
2620	case USB_ID(0x041e, 0x3042):
2621	case USB_ID(0x041e, 0x30df):
2622	case USB_ID(0x041e, 0x3048):
2623		err = snd_audigy2nx_controls_create(mixer);
2624		if (err < 0)
2625			break;
2626		snd_card_ro_proc_new(mixer->chip->card, "audigy2nx",
2627				     mixer, snd_audigy2nx_proc_read);
 
2628		break;
2629
2630	/* EMU0204 */
2631	case USB_ID(0x041e, 0x3f19):
2632		err = snd_emu0204_controls_create(mixer);
 
 
2633		break;
2634
2635	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
2636	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
2637		err = snd_c400_create_mixer(mixer);
2638		break;
2639
2640	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
2641	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
2642		err = snd_ftu_create_mixer(mixer);
2643		break;
2644
2645	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
2646	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
2647	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
2648		err = snd_xonar_u1_controls_create(mixer);
2649		break;
2650
2651	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
2652		err = snd_microii_controls_create(mixer);
2653		break;
2654
2655	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
2656		err = snd_mbox1_create_sync_switch(mixer);
2657		break;
2658
2659	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
2660		err = snd_nativeinstruments_create_mixer(mixer,
2661				snd_nativeinstruments_ta6_mixers,
2662				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
2663		break;
2664
2665	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
2666		err = snd_nativeinstruments_create_mixer(mixer,
2667				snd_nativeinstruments_ta10_mixers,
2668				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
2669		break;
2670
2671	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
2672		/* detection is disabled in mixer_maps.c */
2673		err = snd_create_std_mono_table(mixer, ebox44_table);
2674		break;
2675
2676	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
2677	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
2678	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
2679	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
2680	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
2681		err = snd_scarlett_controls_create(mixer);
2682		break;
2683
2684	case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */
2685	case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */
2686	case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */
2687		err = snd_scarlett_gen2_controls_create(mixer);
2688		break;
2689
2690	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
2691		err = snd_soundblaster_e1_switch_create(mixer);
2692		break;
2693	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
2694		err = dell_dock_mixer_init(mixer);
2695		break;
2696
2697	case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */
2698	case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */
2699	case USB_ID(0x2a39, 0x3fd4): /* RME */
2700		err = snd_rme_controls_create(mixer);
2701		break;
2702
2703	case USB_ID(0x0194f, 0x010c): /* Presonus Studio 1810c */
2704		err = snd_sc1810_init_mixer(mixer);
2705		break;
2706	case USB_ID(0x2a39, 0x3fb0): /* RME Babyface Pro FS */
2707		err = snd_bbfpro_controls_create(mixer);
2708		break;
2709	}
2710
2711	return err;
2712}
2713
2714#ifdef CONFIG_PM
2715void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer)
2716{
2717	switch (mixer->chip->usb_id) {
2718	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
2719		dell_dock_mixer_init(mixer);
2720		break;
2721	}
2722}
2723#endif
2724
2725void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
2726				    int unitid)
2727{
2728	if (!mixer->rc_cfg)
2729		return;
2730	/* unit ids specific to Extigy/Audigy 2 NX: */
2731	switch (unitid) {
2732	case 0: /* remote control */
2733		mixer->rc_urb->dev = mixer->chip->dev;
2734		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
2735		break;
2736	case 4: /* digital in jack */
2737	case 7: /* line in jacks */
2738	case 19: /* speaker out jacks */
2739	case 20: /* headphones out jack */
2740		break;
2741	/* live24ext: 4 = line-in jack */
2742	case 3:	/* hp-out jack (may actuate Mute) */
2743		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
2744		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
2745			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
2746		break;
2747	default:
2748		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
2749		break;
2750	}
2751}
2752
2753static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
2754					 struct usb_mixer_elem_info *cval,
2755					 struct snd_kcontrol *kctl)
2756{
2757	/* Approximation using 10 ranges based on output measurement on hw v1.2.
2758	 * This seems close to the cubic mapping e.g. alsamixer uses. */
2759	static const DECLARE_TLV_DB_RANGE(scale,
2760		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
2761		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
2762		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
2763		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
2764		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
2765		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
2766		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
2767		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
2768		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
2769		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
2770	);
2771
2772	if (cval->min == 0 && cval->max == 50) {
2773		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
2774		kctl->tlv.p = scale;
2775		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
2776		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
2777
2778	} else if (cval->min == 0 && cval->max <= 1000) {
2779		/* Some other clearly broken DragonFly variant.
2780		 * At least a 0..53 variant (hw v1.0) exists.
2781		 */
2782		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
2783		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
2784	}
2785}
2786
2787void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
2788				  struct usb_mixer_elem_info *cval, int unitid,
2789				  struct snd_kcontrol *kctl)
2790{
2791	switch (mixer->chip->usb_id) {
2792	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
2793		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
2794			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
2795		break;
2796	/* lowest playback value is muted on C-Media devices */
2797	case USB_ID(0x0d8c, 0x000c):
2798	case USB_ID(0x0d8c, 0x0014):
2799		if (strstr(kctl->id.name, "Playback"))
2800			cval->min_mute = 1;
2801		break;
2802	}
2803}
2804
v4.17
 
   1/*
   2 *   USB Audio Driver for ALSA
   3 *
   4 *   Quirks and vendor-specific extensions for mixer interfaces
   5 *
   6 *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   7 *
   8 *   Many codes borrowed from audio.c by
   9 *	    Alan Cox (alan@lxorguk.ukuu.org.uk)
  10 *	    Thomas Sailer (sailer@ife.ee.ethz.ch)
  11 *
  12 *   Audio Advantage Micro II support added by:
  13 *	    Przemek Rudy (prudy1@o2.pl)
  14 *
  15 *   This program is free software; you can redistribute it and/or modify
  16 *   it under the terms of the GNU General Public License as published by
  17 *   the Free Software Foundation; either version 2 of the License, or
  18 *   (at your option) any later version.
  19 *
  20 *   This program is distributed in the hope that it will be useful,
  21 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  22 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23 *   GNU General Public License for more details.
  24 *
  25 *   You should have received a copy of the GNU General Public License
  26 *   along with this program; if not, write to the Free Software
  27 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  28 */
  29
  30#include <linux/hid.h>
  31#include <linux/init.h>
 
  32#include <linux/slab.h>
  33#include <linux/usb.h>
  34#include <linux/usb/audio.h>
  35
  36#include <sound/asoundef.h>
  37#include <sound/core.h>
  38#include <sound/control.h>
  39#include <sound/hwdep.h>
  40#include <sound/info.h>
  41#include <sound/tlv.h>
  42
  43#include "usbaudio.h"
  44#include "mixer.h"
  45#include "mixer_quirks.h"
  46#include "mixer_scarlett.h"
 
  47#include "mixer_us16x08.h"
 
  48#include "helper.h"
  49
  50extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
  51
  52struct std_mono_table {
  53	unsigned int unitid, control, cmask;
  54	int val_type;
  55	const char *name;
  56	snd_kcontrol_tlv_rw_t *tlv_callback;
  57};
  58
  59/* This function allows for the creation of standard UAC controls.
  60 * See the quirks for M-Audio FTUs or Ebox-44.
  61 * If you don't want to set a TLV callback pass NULL.
  62 *
  63 * Since there doesn't seem to be a devices that needs a multichannel
  64 * version, we keep it mono for simplicity.
  65 */
  66static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
  67				unsigned int unitid,
  68				unsigned int control,
  69				unsigned int cmask,
  70				int val_type,
  71				unsigned int idx_off,
  72				const char *name,
  73				snd_kcontrol_tlv_rw_t *tlv_callback)
  74{
  75	struct usb_mixer_elem_info *cval;
  76	struct snd_kcontrol *kctl;
  77
  78	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  79	if (!cval)
  80		return -ENOMEM;
  81
  82	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
  83	cval->val_type = val_type;
  84	cval->channels = 1;
  85	cval->control = control;
  86	cval->cmask = cmask;
  87	cval->idx_off = idx_off;
  88
  89	/* get_min_max() is called only for integer volumes later,
  90	 * so provide a short-cut for booleans */
  91	cval->min = 0;
  92	cval->max = 1;
  93	cval->res = 0;
  94	cval->dBmin = 0;
  95	cval->dBmax = 0;
  96
  97	/* Create control */
  98	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
  99	if (!kctl) {
 100		kfree(cval);
 101		return -ENOMEM;
 102	}
 103
 104	/* Set name */
 105	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
 106	kctl->private_free = snd_usb_mixer_elem_free;
 107
 108	/* set TLV */
 109	if (tlv_callback) {
 110		kctl->tlv.c = tlv_callback;
 111		kctl->vd[0].access |=
 112			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 113			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 114	}
 115	/* Add control to mixer */
 116	return snd_usb_mixer_add_control(&cval->head, kctl);
 117}
 118
 119static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
 120				unsigned int unitid,
 121				unsigned int control,
 122				unsigned int cmask,
 123				int val_type,
 124				const char *name,
 125				snd_kcontrol_tlv_rw_t *tlv_callback)
 126{
 127	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
 128		val_type, 0 /* Offset */, name, tlv_callback);
 129}
 130
 131/*
 132 * Create a set of standard UAC controls from a table
 133 */
 134static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 135				struct std_mono_table *t)
 136{
 137	int err;
 138
 139	while (t->name != NULL) {
 140		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 141				t->cmask, t->val_type, t->name, t->tlv_callback);
 142		if (err < 0)
 143			return err;
 144		t++;
 145	}
 146
 147	return 0;
 148}
 149
 150static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
 151				      int id,
 152				      usb_mixer_elem_resume_func_t resume,
 153				      const struct snd_kcontrol_new *knew,
 154				      struct usb_mixer_elem_list **listp)
 155{
 156	struct usb_mixer_elem_list *list;
 157	struct snd_kcontrol *kctl;
 158
 159	list = kzalloc(sizeof(*list), GFP_KERNEL);
 160	if (!list)
 161		return -ENOMEM;
 162	if (listp)
 163		*listp = list;
 164	list->mixer = mixer;
 165	list->id = id;
 166	list->resume = resume;
 167	kctl = snd_ctl_new1(knew, list);
 168	if (!kctl) {
 169		kfree(list);
 170		return -ENOMEM;
 171	}
 172	kctl->private_free = snd_usb_mixer_elem_free;
 173	return snd_usb_mixer_add_control(list, kctl);
 
 174}
 175
 176/*
 177 * Sound Blaster remote control configuration
 178 *
 179 * format of remote control data:
 180 * Extigy:       xx 00
 181 * Audigy 2 NX:  06 80 xx 00 00 00
 182 * Live! 24-bit: 06 80 xx yy 22 83
 183 */
 184static const struct rc_config {
 185	u32 usb_id;
 186	u8  offset;
 187	u8  length;
 188	u8  packet_length;
 189	u8  min_packet_length; /* minimum accepted length of the URB result */
 190	u8  mute_mixer_id;
 191	u32 mute_code;
 192} rc_configs[] = {
 193	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 194	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 195	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 196	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 197	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 198	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 
 199	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 200};
 201
 202static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 203{
 204	struct usb_mixer_interface *mixer = urb->context;
 205	const struct rc_config *rc = mixer->rc_cfg;
 206	u32 code;
 207
 208	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 209		return;
 210
 211	code = mixer->rc_buffer[rc->offset];
 212	if (rc->length == 2)
 213		code |= mixer->rc_buffer[rc->offset + 1] << 8;
 214
 215	/* the Mute button actually changes the mixer control */
 216	if (code == rc->mute_code)
 217		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 218	mixer->rc_code = code;
 219	wmb();
 220	wake_up(&mixer->rc_waitq);
 221}
 222
 223static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 224				     long count, loff_t *offset)
 225{
 226	struct usb_mixer_interface *mixer = hw->private_data;
 227	int err;
 228	u32 rc_code;
 229
 230	if (count != 1 && count != 4)
 231		return -EINVAL;
 232	err = wait_event_interruptible(mixer->rc_waitq,
 233				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 234	if (err == 0) {
 235		if (count == 1)
 236			err = put_user(rc_code, buf);
 237		else
 238			err = put_user(rc_code, (u32 __user *)buf);
 239	}
 240	return err < 0 ? err : count;
 241}
 242
 243static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 244					    poll_table *wait)
 245{
 246	struct usb_mixer_interface *mixer = hw->private_data;
 247
 248	poll_wait(file, &mixer->rc_waitq, wait);
 249	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
 250}
 251
 252static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 253{
 254	struct snd_hwdep *hwdep;
 255	int err, len, i;
 256
 257	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 258		if (rc_configs[i].usb_id == mixer->chip->usb_id)
 259			break;
 260	if (i >= ARRAY_SIZE(rc_configs))
 261		return 0;
 262	mixer->rc_cfg = &rc_configs[i];
 263
 264	len = mixer->rc_cfg->packet_length;
 265
 266	init_waitqueue_head(&mixer->rc_waitq);
 267	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 268	if (err < 0)
 269		return err;
 270	snprintf(hwdep->name, sizeof(hwdep->name),
 271		 "%s remote control", mixer->chip->card->shortname);
 272	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 273	hwdep->private_data = mixer;
 274	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 275	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 276	hwdep->exclusive = 1;
 277
 278	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 279	if (!mixer->rc_urb)
 280		return -ENOMEM;
 281	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 282	if (!mixer->rc_setup_packet) {
 283		usb_free_urb(mixer->rc_urb);
 284		mixer->rc_urb = NULL;
 285		return -ENOMEM;
 286	}
 287	mixer->rc_setup_packet->bRequestType =
 288		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 289	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 290	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 291	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 292	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 293	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 294			     usb_rcvctrlpipe(mixer->chip->dev, 0),
 295			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 296			     snd_usb_soundblaster_remote_complete, mixer);
 297	return 0;
 298}
 299
 300#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
 301
 302static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 303{
 304	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
 305	return 0;
 306}
 307
 308static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
 309				    int value, int index)
 310{
 311	struct snd_usb_audio *chip = mixer->chip;
 312	int err;
 313
 314	err = snd_usb_lock_shutdown(chip);
 315	if (err < 0)
 316		return err;
 317
 318	if (chip->usb_id == USB_ID(0x041e, 0x3042))
 319		err = snd_usb_ctl_msg(chip->dev,
 320			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 321			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 322			      !value, 0, NULL, 0);
 323	/* USB X-Fi S51 Pro */
 324	if (chip->usb_id == USB_ID(0x041e, 0x30df))
 325		err = snd_usb_ctl_msg(chip->dev,
 326			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 327			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 328			      !value, 0, NULL, 0);
 329	else
 330		err = snd_usb_ctl_msg(chip->dev,
 331			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 332			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 333			      value, index + 2, NULL, 0);
 334	snd_usb_unlock_shutdown(chip);
 335	return err;
 336}
 337
 338static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
 339				 struct snd_ctl_elem_value *ucontrol)
 340{
 341	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 342	struct usb_mixer_interface *mixer = list->mixer;
 343	int index = kcontrol->private_value & 0xff;
 344	unsigned int value = ucontrol->value.integer.value[0];
 345	int old_value = kcontrol->private_value >> 8;
 346	int err;
 347
 348	if (value > 1)
 349		return -EINVAL;
 350	if (value == old_value)
 351		return 0;
 352	kcontrol->private_value = (value << 8) | index;
 353	err = snd_audigy2nx_led_update(mixer, value, index);
 354	return err < 0 ? err : 1;
 355}
 356
 357static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
 358{
 359	int priv_value = list->kctl->private_value;
 360
 361	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
 362					priv_value & 0xff);
 363}
 364
 365/* name and private_value are set dynamically */
 366static const struct snd_kcontrol_new snd_audigy2nx_control = {
 367	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 368	.info = snd_audigy2nx_led_info,
 369	.get = snd_audigy2nx_led_get,
 370	.put = snd_audigy2nx_led_put,
 371};
 372
 373static const char * const snd_audigy2nx_led_names[] = {
 374	"CMSS LED Switch",
 375	"Power LED Switch",
 376	"Dolby Digital LED Switch",
 377};
 378
 379static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 380{
 381	int i, err;
 382
 383	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
 384		struct snd_kcontrol_new knew;
 385
 386		/* USB X-Fi S51 doesn't have a CMSS LED */
 387		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 388			continue;
 389		/* USB X-Fi S51 Pro doesn't have one either */
 390		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 391			continue;
 392		if (i > 1 && /* Live24ext has 2 LEDs only */
 393			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 394			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 395			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 396			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 397			break; 
 398
 399		knew = snd_audigy2nx_control;
 400		knew.name = snd_audigy2nx_led_names[i];
 401		knew.private_value = (1 << 8) | i; /* LED on as default */
 402		err = add_single_ctl_with_resume(mixer, 0,
 403						 snd_audigy2nx_led_resume,
 404						 &knew, NULL);
 405		if (err < 0)
 406			return err;
 407	}
 408	return 0;
 409}
 410
 411static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 412				    struct snd_info_buffer *buffer)
 413{
 414	static const struct sb_jack {
 415		int unitid;
 416		const char *name;
 417	}  jacks_audigy2nx[] = {
 418		{4,  "dig in "},
 419		{7,  "line in"},
 420		{19, "spk out"},
 421		{20, "hph out"},
 422		{-1, NULL}
 423	}, jacks_live24ext[] = {
 424		{4,  "line in"}, /* &1=Line, &2=Mic*/
 425		{3,  "hph out"}, /* headphones */
 426		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 427		{-1, NULL}
 428	};
 429	const struct sb_jack *jacks;
 430	struct usb_mixer_interface *mixer = entry->private_data;
 431	int i, err;
 432	u8 buf[3];
 433
 434	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 435	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 436		jacks = jacks_audigy2nx;
 437	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 438		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 439		jacks = jacks_live24ext;
 440	else
 441		return;
 442
 443	for (i = 0; jacks[i].name; ++i) {
 444		snd_iprintf(buffer, "%s: ", jacks[i].name);
 445		err = snd_usb_lock_shutdown(mixer->chip);
 446		if (err < 0)
 447			return;
 448		err = snd_usb_ctl_msg(mixer->chip->dev,
 449				      usb_rcvctrlpipe(mixer->chip->dev, 0),
 450				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 451				      USB_RECIP_INTERFACE, 0,
 452				      jacks[i].unitid << 8, buf, 3);
 453		snd_usb_unlock_shutdown(mixer->chip);
 454		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 455			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 456		else
 457			snd_iprintf(buffer, "?\n");
 458	}
 459}
 460
 461/* EMU0204 */
 462static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
 463				      struct snd_ctl_elem_info *uinfo)
 464{
 465	static const char * const texts[2] = {"1/2", "3/4"};
 466
 467	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 468}
 469
 470static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
 471				     struct snd_ctl_elem_value *ucontrol)
 472{
 473	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
 474	return 0;
 475}
 476
 477static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
 478					int value)
 479{
 480	struct snd_usb_audio *chip = mixer->chip;
 481	int err;
 482	unsigned char buf[2];
 483
 484	err = snd_usb_lock_shutdown(chip);
 485	if (err < 0)
 486		return err;
 487
 488	buf[0] = 0x01;
 489	buf[1] = value ? 0x02 : 0x01;
 490	err = snd_usb_ctl_msg(chip->dev,
 491		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 492		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 493		      0x0400, 0x0e00, buf, 2);
 494	snd_usb_unlock_shutdown(chip);
 495	return err;
 496}
 497
 498static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
 499				     struct snd_ctl_elem_value *ucontrol)
 500{
 501	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 502	struct usb_mixer_interface *mixer = list->mixer;
 503	unsigned int value = ucontrol->value.enumerated.item[0];
 504	int err;
 505
 506	if (value > 1)
 507		return -EINVAL;
 508
 509	if (value == kcontrol->private_value)
 510		return 0;
 511
 512	kcontrol->private_value = value;
 513	err = snd_emu0204_ch_switch_update(mixer, value);
 514	return err < 0 ? err : 1;
 515}
 516
 517static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
 518{
 519	return snd_emu0204_ch_switch_update(list->mixer,
 520					    list->kctl->private_value);
 521}
 522
 523static struct snd_kcontrol_new snd_emu0204_control = {
 524	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 525	.name = "Front Jack Channels",
 526	.info = snd_emu0204_ch_switch_info,
 527	.get = snd_emu0204_ch_switch_get,
 528	.put = snd_emu0204_ch_switch_put,
 529	.private_value = 0,
 530};
 531
 532static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
 533{
 534	return add_single_ctl_with_resume(mixer, 0,
 535					  snd_emu0204_ch_switch_resume,
 536					  &snd_emu0204_control, NULL);
 537}
 538
 539/* ASUS Xonar U1 / U3 controls */
 540
 541static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 542				   struct snd_ctl_elem_value *ucontrol)
 543{
 544	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
 545	return 0;
 546}
 547
 548static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
 549				      unsigned char status)
 550{
 551	struct snd_usb_audio *chip = mixer->chip;
 552	int err;
 553
 554	err = snd_usb_lock_shutdown(chip);
 555	if (err < 0)
 556		return err;
 557	err = snd_usb_ctl_msg(chip->dev,
 558			      usb_sndctrlpipe(chip->dev, 0), 0x08,
 559			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 560			      50, 0, &status, 1);
 561	snd_usb_unlock_shutdown(chip);
 562	return err;
 563}
 564
 565static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 566				   struct snd_ctl_elem_value *ucontrol)
 567{
 568	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 569	u8 old_status, new_status;
 570	int err;
 571
 572	old_status = kcontrol->private_value;
 573	if (ucontrol->value.integer.value[0])
 574		new_status = old_status | 0x02;
 575	else
 576		new_status = old_status & ~0x02;
 577	if (new_status == old_status)
 578		return 0;
 579
 580	kcontrol->private_value = new_status;
 581	err = snd_xonar_u1_switch_update(list->mixer, new_status);
 582	return err < 0 ? err : 1;
 583}
 584
 585static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
 586{
 587	return snd_xonar_u1_switch_update(list->mixer,
 588					  list->kctl->private_value);
 589}
 590
 591static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 592	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 593	.name = "Digital Playback Switch",
 594	.info = snd_ctl_boolean_mono_info,
 595	.get = snd_xonar_u1_switch_get,
 596	.put = snd_xonar_u1_switch_put,
 597	.private_value = 0x05,
 598};
 599
 600static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 601{
 602	return add_single_ctl_with_resume(mixer, 0,
 603					  snd_xonar_u1_switch_resume,
 604					  &snd_xonar_u1_output_switch, NULL);
 605}
 606
 607/* Digidesign Mbox 1 clock source switch (internal/spdif) */
 608
 609static int snd_mbox1_switch_get(struct snd_kcontrol *kctl,
 610				struct snd_ctl_elem_value *ucontrol)
 611{
 612	ucontrol->value.enumerated.item[0] = kctl->private_value;
 613	return 0;
 614}
 615
 616static int snd_mbox1_switch_update(struct usb_mixer_interface *mixer, int val)
 617{
 618	struct snd_usb_audio *chip = mixer->chip;
 619	int err;
 620	unsigned char buff[3];
 621
 622	err = snd_usb_lock_shutdown(chip);
 623	if (err < 0)
 624		return err;
 625
 626	/* Prepare for magic command to toggle clock source */
 627	err = snd_usb_ctl_msg(chip->dev,
 628				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 629				USB_DIR_IN |
 630				USB_TYPE_CLASS |
 631				USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
 632	if (err < 0)
 633		goto err;
 634	err = snd_usb_ctl_msg(chip->dev,
 635				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 636				USB_DIR_IN |
 637				USB_TYPE_CLASS |
 638				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 639	if (err < 0)
 640		goto err;
 641
 642	/* 2 possibilities:	Internal    -> send sample rate
 643	 *			S/PDIF sync -> send zeroes
 644	 * NB: Sample rate locked to 48kHz on purpose to
 645	 *     prevent user from resetting the sample rate
 646	 *     while S/PDIF sync is enabled and confusing
 647	 *     this configuration.
 648	 */
 649	if (val == 0) {
 650		buff[0] = 0x80;
 651		buff[1] = 0xbb;
 652		buff[2] = 0x00;
 653	} else {
 654		buff[0] = buff[1] = buff[2] = 0x00;
 655	}
 656
 657	/* Send the magic command to toggle the clock source */
 658	err = snd_usb_ctl_msg(chip->dev,
 659				usb_sndctrlpipe(chip->dev, 0), 0x1,
 660				USB_TYPE_CLASS |
 661				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 662	if (err < 0)
 663		goto err;
 664	err = snd_usb_ctl_msg(chip->dev,
 665				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 666				USB_DIR_IN |
 667				USB_TYPE_CLASS |
 668				USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 669	if (err < 0)
 670		goto err;
 671	err = snd_usb_ctl_msg(chip->dev,
 672				usb_rcvctrlpipe(chip->dev, 0), 0x81,
 673				USB_DIR_IN |
 674				USB_TYPE_CLASS |
 675				USB_RECIP_ENDPOINT, 0x100, 0x2, buff, 3);
 676	if (err < 0)
 677		goto err;
 678
 679err:
 680	snd_usb_unlock_shutdown(chip);
 681	return err;
 682}
 683
 684static int snd_mbox1_switch_put(struct snd_kcontrol *kctl,
 685				struct snd_ctl_elem_value *ucontrol)
 686{
 687	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 688	struct usb_mixer_interface *mixer = list->mixer;
 689	int err;
 690	bool cur_val, new_val;
 691
 692	cur_val = kctl->private_value;
 693	new_val = ucontrol->value.enumerated.item[0];
 694	if (cur_val == new_val)
 695		return 0;
 696
 697	kctl->private_value = new_val;
 698	err = snd_mbox1_switch_update(mixer, new_val);
 699	return err < 0 ? err : 1;
 700}
 701
 702static int snd_mbox1_switch_info(struct snd_kcontrol *kcontrol,
 703				 struct snd_ctl_elem_info *uinfo)
 704{
 705	static const char *const texts[2] = {
 706		"Internal",
 707		"S/PDIF"
 708	};
 709
 710	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 711}
 712
 713static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list)
 714{
 715	return snd_mbox1_switch_update(list->mixer, list->kctl->private_value);
 716}
 717
 718static struct snd_kcontrol_new snd_mbox1_switch = {
 719	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 720	.name = "Clock Source",
 721	.index = 0,
 722	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 723	.info = snd_mbox1_switch_info,
 724	.get = snd_mbox1_switch_get,
 725	.put = snd_mbox1_switch_put,
 726	.private_value = 0
 727};
 728
 729static int snd_mbox1_create_sync_switch(struct usb_mixer_interface *mixer)
 730{
 731	return add_single_ctl_with_resume(mixer, 0,
 732					  snd_mbox1_switch_resume,
 733					  &snd_mbox1_switch, NULL);
 734}
 735
 736/* Native Instruments device quirks */
 737
 738#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 739
 740static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
 741				   struct snd_kcontrol *kctl)
 742{
 743	struct usb_device *dev = mixer->chip->dev;
 744	unsigned int pval = kctl->private_value;
 745	u8 value;
 746	int err;
 747
 748	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 749			      (pval >> 16) & 0xff,
 750			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 751			      0, pval & 0xffff, &value, 1);
 752	if (err < 0) {
 753		dev_err(&dev->dev,
 754			"unable to issue vendor read request (ret = %d)", err);
 755		return err;
 756	}
 757
 758	kctl->private_value |= (value << 24);
 759	return 0;
 760}
 761
 762static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 763					     struct snd_ctl_elem_value *ucontrol)
 764{
 765	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
 766	return 0;
 767}
 768
 769static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
 770{
 771	struct snd_usb_audio *chip = list->mixer->chip;
 772	unsigned int pval = list->kctl->private_value;
 773	int err;
 774
 775	err = snd_usb_lock_shutdown(chip);
 776	if (err < 0)
 777		return err;
 778	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
 779			      (pval >> 16) & 0xff,
 780			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 781			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
 782	snd_usb_unlock_shutdown(chip);
 783	return err;
 784}
 785
 786static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 787					     struct snd_ctl_elem_value *ucontrol)
 788{
 789	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 790	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
 791	u8 newval = ucontrol->value.integer.value[0];
 792	int err;
 793
 794	if (oldval == newval)
 795		return 0;
 796
 797	kcontrol->private_value &= ~(0xff << 24);
 798	kcontrol->private_value |= (unsigned int)newval << 24;
 799	err = snd_ni_update_cur_val(list);
 800	return err < 0 ? err : 1;
 801}
 802
 803static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 804	{
 805		.name = "Direct Thru Channel A",
 806		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 807	},
 808	{
 809		.name = "Direct Thru Channel B",
 810		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 811	},
 812	{
 813		.name = "Phono Input Channel A",
 814		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 815	},
 816	{
 817		.name = "Phono Input Channel B",
 818		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 819	},
 820};
 821
 822static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 823	{
 824		.name = "Direct Thru Channel A",
 825		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 826	},
 827	{
 828		.name = "Direct Thru Channel B",
 829		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 830	},
 831	{
 832		.name = "Direct Thru Channel C",
 833		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 834	},
 835	{
 836		.name = "Direct Thru Channel D",
 837		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 838	},
 839	{
 840		.name = "Phono Input Channel A",
 841		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 842	},
 843	{
 844		.name = "Phono Input Channel B",
 845		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 846	},
 847	{
 848		.name = "Phono Input Channel C",
 849		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 850	},
 851	{
 852		.name = "Phono Input Channel D",
 853		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 854	},
 855};
 856
 857static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 858					      const struct snd_kcontrol_new *kc,
 859					      unsigned int count)
 860{
 861	int i, err = 0;
 862	struct snd_kcontrol_new template = {
 863		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 864		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 865		.get = snd_nativeinstruments_control_get,
 866		.put = snd_nativeinstruments_control_put,
 867		.info = snd_ctl_boolean_mono_info,
 868	};
 869
 870	for (i = 0; i < count; i++) {
 871		struct usb_mixer_elem_list *list;
 872
 873		template.name = kc[i].name;
 874		template.private_value = kc[i].private_value;
 875
 876		err = add_single_ctl_with_resume(mixer, 0,
 877						 snd_ni_update_cur_val,
 878						 &template, &list);
 879		if (err < 0)
 880			break;
 881		snd_ni_control_init_val(mixer, list->kctl);
 882	}
 883
 884	return err;
 885}
 886
 887/* M-Audio FastTrack Ultra quirks */
 888/* FTU Effect switch (also used by C400/C600) */
 889static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
 890					struct snd_ctl_elem_info *uinfo)
 891{
 892	static const char *const texts[8] = {
 893		"Room 1", "Room 2", "Room 3", "Hall 1",
 894		"Hall 2", "Plate", "Delay", "Echo"
 895	};
 896
 897	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 898}
 899
 900static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
 901				   struct snd_kcontrol *kctl)
 902{
 903	struct usb_device *dev = mixer->chip->dev;
 904	unsigned int pval = kctl->private_value;
 905	int err;
 906	unsigned char value[2];
 907
 908	value[0] = 0x00;
 909	value[1] = 0x00;
 910
 911	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
 912			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 913			      pval & 0xff00,
 914			      snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
 915			      value, 2);
 916	if (err < 0)
 917		return err;
 918
 919	kctl->private_value |= value[0] << 24;
 920	return 0;
 921}
 922
 923static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
 924					struct snd_ctl_elem_value *ucontrol)
 925{
 926	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
 927	return 0;
 928}
 929
 930static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
 931{
 932	struct snd_usb_audio *chip = list->mixer->chip;
 933	unsigned int pval = list->kctl->private_value;
 934	unsigned char value[2];
 935	int err;
 936
 937	value[0] = pval >> 24;
 938	value[1] = 0;
 939
 940	err = snd_usb_lock_shutdown(chip);
 941	if (err < 0)
 942		return err;
 943	err = snd_usb_ctl_msg(chip->dev,
 944			      usb_sndctrlpipe(chip->dev, 0),
 945			      UAC_SET_CUR,
 946			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 947			      pval & 0xff00,
 948			      snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
 949			      value, 2);
 950	snd_usb_unlock_shutdown(chip);
 951	return err;
 952}
 953
 954static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 955					struct snd_ctl_elem_value *ucontrol)
 956{
 957	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 958	unsigned int pval = list->kctl->private_value;
 959	int cur_val, err, new_val;
 960
 961	cur_val = pval >> 24;
 962	new_val = ucontrol->value.enumerated.item[0];
 963	if (cur_val == new_val)
 964		return 0;
 965
 966	kctl->private_value &= ~(0xff << 24);
 967	kctl->private_value |= new_val << 24;
 968	err = snd_ftu_eff_switch_update(list);
 969	return err < 0 ? err : 1;
 970}
 971
 972static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
 973	int validx, int bUnitID)
 974{
 975	static struct snd_kcontrol_new template = {
 976		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 977		.name = "Effect Program Switch",
 978		.index = 0,
 979		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 980		.info = snd_ftu_eff_switch_info,
 981		.get = snd_ftu_eff_switch_get,
 982		.put = snd_ftu_eff_switch_put
 983	};
 984	struct usb_mixer_elem_list *list;
 985	int err;
 986
 987	err = add_single_ctl_with_resume(mixer, bUnitID,
 988					 snd_ftu_eff_switch_update,
 989					 &template, &list);
 990	if (err < 0)
 991		return err;
 992	list->kctl->private_value = (validx << 8) | bUnitID;
 993	snd_ftu_eff_switch_init(mixer, list->kctl);
 994	return 0;
 995}
 996
 997/* Create volume controls for FTU devices*/
 998static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 999{
1000	char name[64];
1001	unsigned int control, cmask;
1002	int in, out, err;
1003
1004	const unsigned int id = 5;
1005	const int val_type = USB_MIXER_S16;
1006
1007	for (out = 0; out < 8; out++) {
1008		control = out + 1;
1009		for (in = 0; in < 8; in++) {
1010			cmask = 1 << in;
1011			snprintf(name, sizeof(name),
1012				"AIn%d - Out%d Capture Volume",
1013				in  + 1, out + 1);
1014			err = snd_create_std_mono_ctl(mixer, id, control,
1015							cmask, val_type, name,
1016							&snd_usb_mixer_vol_tlv);
1017			if (err < 0)
1018				return err;
1019		}
1020		for (in = 8; in < 16; in++) {
1021			cmask = 1 << in;
1022			snprintf(name, sizeof(name),
1023				"DIn%d - Out%d Playback Volume",
1024				in - 7, out + 1);
1025			err = snd_create_std_mono_ctl(mixer, id, control,
1026							cmask, val_type, name,
1027							&snd_usb_mixer_vol_tlv);
1028			if (err < 0)
1029				return err;
1030		}
1031	}
1032
1033	return 0;
1034}
1035
1036/* This control needs a volume quirk, see mixer.c */
1037static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1038{
1039	static const char name[] = "Effect Volume";
1040	const unsigned int id = 6;
1041	const int val_type = USB_MIXER_U8;
1042	const unsigned int control = 2;
1043	const unsigned int cmask = 0;
1044
1045	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1046					name, snd_usb_mixer_vol_tlv);
1047}
1048
1049/* This control needs a volume quirk, see mixer.c */
1050static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1051{
1052	static const char name[] = "Effect Duration";
1053	const unsigned int id = 6;
1054	const int val_type = USB_MIXER_S16;
1055	const unsigned int control = 3;
1056	const unsigned int cmask = 0;
1057
1058	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1059					name, snd_usb_mixer_vol_tlv);
1060}
1061
1062/* This control needs a volume quirk, see mixer.c */
1063static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1064{
1065	static const char name[] = "Effect Feedback Volume";
1066	const unsigned int id = 6;
1067	const int val_type = USB_MIXER_U8;
1068	const unsigned int control = 4;
1069	const unsigned int cmask = 0;
1070
1071	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1072					name, NULL);
1073}
1074
1075static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1076{
1077	unsigned int cmask;
1078	int err, ch;
1079	char name[48];
1080
1081	const unsigned int id = 7;
1082	const int val_type = USB_MIXER_S16;
1083	const unsigned int control = 7;
1084
1085	for (ch = 0; ch < 4; ++ch) {
1086		cmask = 1 << ch;
1087		snprintf(name, sizeof(name),
1088			"Effect Return %d Volume", ch + 1);
1089		err = snd_create_std_mono_ctl(mixer, id, control,
1090						cmask, val_type, name,
1091						snd_usb_mixer_vol_tlv);
1092		if (err < 0)
1093			return err;
1094	}
1095
1096	return 0;
1097}
1098
1099static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1100{
1101	unsigned int  cmask;
1102	int err, ch;
1103	char name[48];
1104
1105	const unsigned int id = 5;
1106	const int val_type = USB_MIXER_S16;
1107	const unsigned int control = 9;
1108
1109	for (ch = 0; ch < 8; ++ch) {
1110		cmask = 1 << ch;
1111		snprintf(name, sizeof(name),
1112			"Effect Send AIn%d Volume", ch + 1);
1113		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1114						val_type, name,
1115						snd_usb_mixer_vol_tlv);
1116		if (err < 0)
1117			return err;
1118	}
1119	for (ch = 8; ch < 16; ++ch) {
1120		cmask = 1 << ch;
1121		snprintf(name, sizeof(name),
1122			"Effect Send DIn%d Volume", ch - 7);
1123		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1124						val_type, name,
1125						snd_usb_mixer_vol_tlv);
1126		if (err < 0)
1127			return err;
1128	}
1129	return 0;
1130}
1131
1132static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1133{
1134	int err;
1135
1136	err = snd_ftu_create_volume_ctls(mixer);
1137	if (err < 0)
1138		return err;
1139
1140	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1141	if (err < 0)
1142		return err;
1143
1144	err = snd_ftu_create_effect_volume_ctl(mixer);
1145	if (err < 0)
1146		return err;
1147
1148	err = snd_ftu_create_effect_duration_ctl(mixer);
1149	if (err < 0)
1150		return err;
1151
1152	err = snd_ftu_create_effect_feedback_ctl(mixer);
1153	if (err < 0)
1154		return err;
1155
1156	err = snd_ftu_create_effect_return_ctls(mixer);
1157	if (err < 0)
1158		return err;
1159
1160	err = snd_ftu_create_effect_send_ctls(mixer);
1161	if (err < 0)
1162		return err;
1163
1164	return 0;
1165}
1166
1167void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1168			       unsigned char samplerate_id)
1169{
1170	struct usb_mixer_interface *mixer;
1171	struct usb_mixer_elem_info *cval;
1172	int unitid = 12; /* SamleRate ExtensionUnit ID */
1173
1174	list_for_each_entry(mixer, &chip->mixer_list, list) {
1175		cval = (struct usb_mixer_elem_info *)mixer->id_elems[unitid];
1176		if (cval) {
1177			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1178						    cval->control << 8,
1179						    samplerate_id);
1180			snd_usb_mixer_notify_id(mixer, unitid);
 
1181		}
1182		break;
1183	}
1184}
1185
1186/* M-Audio Fast Track C400/C600 */
1187/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1188static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1189{
1190	char name[64];
1191	unsigned int cmask, offset;
1192	int out, chan, err;
1193	int num_outs = 0;
1194	int num_ins = 0;
1195
1196	const unsigned int id = 0x40;
1197	const int val_type = USB_MIXER_S16;
1198	const int control = 1;
1199
1200	switch (mixer->chip->usb_id) {
1201	case USB_ID(0x0763, 0x2030):
1202		num_outs = 6;
1203		num_ins = 4;
1204		break;
1205	case USB_ID(0x0763, 0x2031):
1206		num_outs = 8;
1207		num_ins = 6;
1208		break;
1209	}
1210
1211	for (chan = 0; chan < num_outs + num_ins; chan++) {
1212		for (out = 0; out < num_outs; out++) {
1213			if (chan < num_outs) {
1214				snprintf(name, sizeof(name),
1215					"PCM%d-Out%d Playback Volume",
1216					chan + 1, out + 1);
1217			} else {
1218				snprintf(name, sizeof(name),
1219					"In%d-Out%d Playback Volume",
1220					chan - num_outs + 1, out + 1);
1221			}
1222
1223			cmask = (out == 0) ? 0 : 1 << (out - 1);
1224			offset = chan * num_outs;
1225			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1226						cmask, val_type, offset, name,
1227						&snd_usb_mixer_vol_tlv);
1228			if (err < 0)
1229				return err;
1230		}
1231	}
1232
1233	return 0;
1234}
1235
1236/* This control needs a volume quirk, see mixer.c */
1237static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1238{
1239	static const char name[] = "Effect Volume";
1240	const unsigned int id = 0x43;
1241	const int val_type = USB_MIXER_U8;
1242	const unsigned int control = 3;
1243	const unsigned int cmask = 0;
1244
1245	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1246					name, snd_usb_mixer_vol_tlv);
1247}
1248
1249/* This control needs a volume quirk, see mixer.c */
1250static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1251{
1252	static const char name[] = "Effect Duration";
1253	const unsigned int id = 0x43;
1254	const int val_type = USB_MIXER_S16;
1255	const unsigned int control = 4;
1256	const unsigned int cmask = 0;
1257
1258	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1259					name, snd_usb_mixer_vol_tlv);
1260}
1261
1262/* This control needs a volume quirk, see mixer.c */
1263static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1264{
1265	static const char name[] = "Effect Feedback Volume";
1266	const unsigned int id = 0x43;
1267	const int val_type = USB_MIXER_U8;
1268	const unsigned int control = 5;
1269	const unsigned int cmask = 0;
1270
1271	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1272					name, NULL);
1273}
1274
1275static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1276{
1277	char name[64];
1278	unsigned int cmask;
1279	int chan, err;
1280	int num_outs = 0;
1281	int num_ins = 0;
1282
1283	const unsigned int id = 0x42;
1284	const int val_type = USB_MIXER_S16;
1285	const int control = 1;
1286
1287	switch (mixer->chip->usb_id) {
1288	case USB_ID(0x0763, 0x2030):
1289		num_outs = 6;
1290		num_ins = 4;
1291		break;
1292	case USB_ID(0x0763, 0x2031):
1293		num_outs = 8;
1294		num_ins = 6;
1295		break;
1296	}
1297
1298	for (chan = 0; chan < num_outs + num_ins; chan++) {
1299		if (chan < num_outs) {
1300			snprintf(name, sizeof(name),
1301				"Effect Send DOut%d",
1302				chan + 1);
1303		} else {
1304			snprintf(name, sizeof(name),
1305				"Effect Send AIn%d",
1306				chan - num_outs + 1);
1307		}
1308
1309		cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1310		err = snd_create_std_mono_ctl(mixer, id, control,
1311						cmask, val_type, name,
1312						&snd_usb_mixer_vol_tlv);
1313		if (err < 0)
1314			return err;
1315	}
1316
1317	return 0;
1318}
1319
1320static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1321{
1322	char name[64];
1323	unsigned int cmask;
1324	int chan, err;
1325	int num_outs = 0;
1326	int offset = 0;
1327
1328	const unsigned int id = 0x40;
1329	const int val_type = USB_MIXER_S16;
1330	const int control = 1;
1331
1332	switch (mixer->chip->usb_id) {
1333	case USB_ID(0x0763, 0x2030):
1334		num_outs = 6;
1335		offset = 0x3c;
1336		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1337		break;
1338	case USB_ID(0x0763, 0x2031):
1339		num_outs = 8;
1340		offset = 0x70;
1341		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1342		break;
1343	}
1344
1345	for (chan = 0; chan < num_outs; chan++) {
1346		snprintf(name, sizeof(name),
1347			"Effect Return %d",
1348			chan + 1);
1349
1350		cmask = (chan == 0) ? 0 :
1351			1 << (chan + (chan % 2) * num_outs - 1);
1352		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1353						cmask, val_type, offset, name,
1354						&snd_usb_mixer_vol_tlv);
1355		if (err < 0)
1356			return err;
1357	}
1358
1359	return 0;
1360}
1361
1362static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1363{
1364	int err;
1365
1366	err = snd_c400_create_vol_ctls(mixer);
1367	if (err < 0)
1368		return err;
1369
1370	err = snd_c400_create_effect_vol_ctls(mixer);
1371	if (err < 0)
1372		return err;
1373
1374	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1375	if (err < 0)
1376		return err;
1377
1378	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1379	if (err < 0)
1380		return err;
1381
1382	err = snd_c400_create_effect_volume_ctl(mixer);
1383	if (err < 0)
1384		return err;
1385
1386	err = snd_c400_create_effect_duration_ctl(mixer);
1387	if (err < 0)
1388		return err;
1389
1390	err = snd_c400_create_effect_feedback_ctl(mixer);
1391	if (err < 0)
1392		return err;
1393
1394	return 0;
1395}
1396
1397/*
1398 * The mixer units for Ebox-44 are corrupt, and even where they
1399 * are valid they presents mono controls as L and R channels of
1400 * stereo. So we provide a good mixer here.
1401 */
1402static struct std_mono_table ebox44_table[] = {
1403	{
1404		.unitid = 4,
1405		.control = 1,
1406		.cmask = 0x0,
1407		.val_type = USB_MIXER_INV_BOOLEAN,
1408		.name = "Headphone Playback Switch"
1409	},
1410	{
1411		.unitid = 4,
1412		.control = 2,
1413		.cmask = 0x1,
1414		.val_type = USB_MIXER_S16,
1415		.name = "Headphone A Mix Playback Volume"
1416	},
1417	{
1418		.unitid = 4,
1419		.control = 2,
1420		.cmask = 0x2,
1421		.val_type = USB_MIXER_S16,
1422		.name = "Headphone B Mix Playback Volume"
1423	},
1424
1425	{
1426		.unitid = 7,
1427		.control = 1,
1428		.cmask = 0x0,
1429		.val_type = USB_MIXER_INV_BOOLEAN,
1430		.name = "Output Playback Switch"
1431	},
1432	{
1433		.unitid = 7,
1434		.control = 2,
1435		.cmask = 0x1,
1436		.val_type = USB_MIXER_S16,
1437		.name = "Output A Playback Volume"
1438	},
1439	{
1440		.unitid = 7,
1441		.control = 2,
1442		.cmask = 0x2,
1443		.val_type = USB_MIXER_S16,
1444		.name = "Output B Playback Volume"
1445	},
1446
1447	{
1448		.unitid = 10,
1449		.control = 1,
1450		.cmask = 0x0,
1451		.val_type = USB_MIXER_INV_BOOLEAN,
1452		.name = "Input Capture Switch"
1453	},
1454	{
1455		.unitid = 10,
1456		.control = 2,
1457		.cmask = 0x1,
1458		.val_type = USB_MIXER_S16,
1459		.name = "Input A Capture Volume"
1460	},
1461	{
1462		.unitid = 10,
1463		.control = 2,
1464		.cmask = 0x2,
1465		.val_type = USB_MIXER_S16,
1466		.name = "Input B Capture Volume"
1467	},
1468
1469	{}
1470};
1471
1472/* Audio Advantage Micro II findings:
1473 *
1474 * Mapping spdif AES bits to vendor register.bit:
1475 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1476 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1477 * AES2: [0 0 0 0 0 0 0 0]
1478 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1479 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1480 *
1481 * power on values:
1482 * r2: 0x10
1483 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1484 *           just after it to 0xa0, presumably it disables/mutes some analog
1485 *           parts when there is no audio.)
1486 * r9: 0x28
1487 *
1488 * Optical transmitter on/off:
1489 * vendor register.bit: 9.1
1490 * 0 - on (0x28 register value)
1491 * 1 - off (0x2a register value)
1492 *
1493 */
1494static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1495	struct snd_ctl_elem_info *uinfo)
1496{
1497	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1498	uinfo->count = 1;
1499	return 0;
1500}
1501
1502static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1503	struct snd_ctl_elem_value *ucontrol)
1504{
1505	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1506	struct snd_usb_audio *chip = list->mixer->chip;
1507	int err;
1508	struct usb_interface *iface;
1509	struct usb_host_interface *alts;
1510	unsigned int ep;
1511	unsigned char data[3];
1512	int rate;
1513
1514	err = snd_usb_lock_shutdown(chip);
1515	if (err < 0)
1516		return err;
1517
1518	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1519	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1520	ucontrol->value.iec958.status[2] = 0x00;
1521
1522	/* use known values for that card: interface#1 altsetting#1 */
1523	iface = usb_ifnum_to_if(chip->dev, 1);
1524	if (!iface || iface->num_altsetting < 2)
1525		return -EINVAL;
 
 
1526	alts = &iface->altsetting[1];
1527	if (get_iface_desc(alts)->bNumEndpoints < 1)
1528		return -EINVAL;
 
 
1529	ep = get_endpoint(alts, 0)->bEndpointAddress;
1530
1531	err = snd_usb_ctl_msg(chip->dev,
1532			usb_rcvctrlpipe(chip->dev, 0),
1533			UAC_GET_CUR,
1534			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1535			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1536			ep,
1537			data,
1538			sizeof(data));
1539	if (err < 0)
1540		goto end;
1541
1542	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1543	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1544			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1545
1546	err = 0;
1547 end:
1548	snd_usb_unlock_shutdown(chip);
1549	return err;
1550}
1551
1552static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1553{
1554	struct snd_usb_audio *chip = list->mixer->chip;
1555	unsigned int pval = list->kctl->private_value;
1556	u8 reg;
1557	int err;
1558
1559	err = snd_usb_lock_shutdown(chip);
1560	if (err < 0)
1561		return err;
1562
1563	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1564	err = snd_usb_ctl_msg(chip->dev,
1565			usb_sndctrlpipe(chip->dev, 0),
1566			UAC_SET_CUR,
1567			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1568			reg,
1569			2,
1570			NULL,
1571			0);
1572	if (err < 0)
1573		goto end;
1574
1575	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1576	reg |= (pval >> 12) & 0x0f;
1577	err = snd_usb_ctl_msg(chip->dev,
1578			usb_sndctrlpipe(chip->dev, 0),
1579			UAC_SET_CUR,
1580			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1581			reg,
1582			3,
1583			NULL,
1584			0);
1585	if (err < 0)
1586		goto end;
1587
1588 end:
1589	snd_usb_unlock_shutdown(chip);
1590	return err;
1591}
1592
1593static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1594	struct snd_ctl_elem_value *ucontrol)
1595{
1596	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1597	unsigned int pval, pval_old;
1598	int err;
1599
1600	pval = pval_old = kcontrol->private_value;
1601	pval &= 0xfffff0f0;
1602	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1603	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1604
1605	pval &= 0xffff0fff;
1606	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1607
1608	/* The frequency bits in AES3 cannot be set via register access. */
1609
1610	/* Silently ignore any bits from the request that cannot be set. */
1611
1612	if (pval == pval_old)
1613		return 0;
1614
1615	kcontrol->private_value = pval;
1616	err = snd_microii_spdif_default_update(list);
1617	return err < 0 ? err : 1;
1618}
1619
1620static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1621	struct snd_ctl_elem_value *ucontrol)
1622{
1623	ucontrol->value.iec958.status[0] = 0x0f;
1624	ucontrol->value.iec958.status[1] = 0xff;
1625	ucontrol->value.iec958.status[2] = 0x00;
1626	ucontrol->value.iec958.status[3] = 0x00;
1627
1628	return 0;
1629}
1630
1631static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1632	struct snd_ctl_elem_value *ucontrol)
1633{
1634	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1635
1636	return 0;
1637}
1638
1639static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1640{
1641	struct snd_usb_audio *chip = list->mixer->chip;
1642	u8 reg = list->kctl->private_value;
1643	int err;
1644
1645	err = snd_usb_lock_shutdown(chip);
1646	if (err < 0)
1647		return err;
1648
1649	err = snd_usb_ctl_msg(chip->dev,
1650			usb_sndctrlpipe(chip->dev, 0),
1651			UAC_SET_CUR,
1652			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1653			reg,
1654			9,
1655			NULL,
1656			0);
1657
1658	snd_usb_unlock_shutdown(chip);
1659	return err;
1660}
1661
1662static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1663	struct snd_ctl_elem_value *ucontrol)
1664{
1665	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1666	u8 reg;
1667	int err;
1668
1669	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1670	if (reg != list->kctl->private_value)
1671		return 0;
1672
1673	kcontrol->private_value = reg;
1674	err = snd_microii_spdif_switch_update(list);
1675	return err < 0 ? err : 1;
1676}
1677
1678static struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1679	{
1680		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1681		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1682		.info =     snd_microii_spdif_info,
1683		.get =      snd_microii_spdif_default_get,
1684		.put =      snd_microii_spdif_default_put,
1685		.private_value = 0x00000100UL,/* reset value */
1686	},
1687	{
1688		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1689		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1690		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1691		.info =     snd_microii_spdif_info,
1692		.get =      snd_microii_spdif_mask_get,
1693	},
1694	{
1695		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1696		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1697		.info =     snd_ctl_boolean_mono_info,
1698		.get =      snd_microii_spdif_switch_get,
1699		.put =      snd_microii_spdif_switch_put,
1700		.private_value = 0x00000028UL,/* reset value */
1701	}
1702};
1703
1704static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1705{
1706	int err, i;
1707	static usb_mixer_elem_resume_func_t resume_funcs[] = {
1708		snd_microii_spdif_default_update,
1709		NULL,
1710		snd_microii_spdif_switch_update
1711	};
1712
1713	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1714		err = add_single_ctl_with_resume(mixer, 0,
1715						 resume_funcs[i],
1716						 &snd_microii_mixer_spdif[i],
1717						 NULL);
1718		if (err < 0)
1719			return err;
1720	}
1721
1722	return 0;
1723}
1724
1725/* Creative Sound Blaster E1 */
1726
1727static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
1728					  struct snd_ctl_elem_value *ucontrol)
1729{
1730	ucontrol->value.integer.value[0] = kcontrol->private_value;
1731	return 0;
1732}
1733
1734static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
1735					     unsigned char state)
1736{
1737	struct snd_usb_audio *chip = mixer->chip;
1738	int err;
1739	unsigned char buff[2];
1740
1741	buff[0] = 0x02;
1742	buff[1] = state ? 0x02 : 0x00;
1743
1744	err = snd_usb_lock_shutdown(chip);
1745	if (err < 0)
1746		return err;
1747	err = snd_usb_ctl_msg(chip->dev,
1748			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
1749			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
1750			0x0202, 3, buff, 2);
1751	snd_usb_unlock_shutdown(chip);
1752	return err;
1753}
1754
1755static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
1756					  struct snd_ctl_elem_value *ucontrol)
1757{
1758	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1759	unsigned char value = !!ucontrol->value.integer.value[0];
1760	int err;
1761
1762	if (kcontrol->private_value == value)
1763		return 0;
1764	kcontrol->private_value = value;
1765	err = snd_soundblaster_e1_switch_update(list->mixer, value);
1766	return err < 0 ? err : 1;
1767}
1768
1769static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
1770{
1771	return snd_soundblaster_e1_switch_update(list->mixer,
1772						 list->kctl->private_value);
1773}
1774
1775static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
1776					   struct snd_ctl_elem_info *uinfo)
1777{
1778	static const char *const texts[2] = {
1779		"Mic", "Aux"
1780	};
1781
1782	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1783}
1784
1785static struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
1786	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1787	.name = "Input Source",
1788	.info = snd_soundblaster_e1_switch_info,
1789	.get = snd_soundblaster_e1_switch_get,
1790	.put = snd_soundblaster_e1_switch_put,
1791	.private_value = 0,
1792};
1793
1794static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
1795{
1796	return add_single_ctl_with_resume(mixer, 0,
1797					  snd_soundblaster_e1_switch_resume,
1798					  &snd_soundblaster_e1_input_switch,
1799					  NULL);
1800}
1801
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1802int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1803{
1804	int err = 0;
1805	struct snd_info_entry *entry;
1806
1807	if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
 
1808		return err;
1809
1810	switch (mixer->chip->usb_id) {
1811	/* Tascam US-16x08 */
1812	case USB_ID(0x0644, 0x8047):
1813		err = snd_us16x08_controls_create(mixer);
1814		break;
1815	case USB_ID(0x041e, 0x3020):
1816	case USB_ID(0x041e, 0x3040):
1817	case USB_ID(0x041e, 0x3042):
1818	case USB_ID(0x041e, 0x30df):
1819	case USB_ID(0x041e, 0x3048):
1820		err = snd_audigy2nx_controls_create(mixer);
1821		if (err < 0)
1822			break;
1823		if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1824			snd_info_set_text_ops(entry, mixer,
1825					      snd_audigy2nx_proc_read);
1826		break;
1827
1828	/* EMU0204 */
1829	case USB_ID(0x041e, 0x3f19):
1830		err = snd_emu0204_controls_create(mixer);
1831		if (err < 0)
1832			break;
1833		break;
1834
1835	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
1836	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
1837		err = snd_c400_create_mixer(mixer);
1838		break;
1839
1840	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1841	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1842		err = snd_ftu_create_mixer(mixer);
1843		break;
1844
1845	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
1846	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
1847	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
1848		err = snd_xonar_u1_controls_create(mixer);
1849		break;
1850
1851	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
1852		err = snd_microii_controls_create(mixer);
1853		break;
1854
1855	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
1856		err = snd_mbox1_create_sync_switch(mixer);
1857		break;
1858
1859	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1860		err = snd_nativeinstruments_create_mixer(mixer,
1861				snd_nativeinstruments_ta6_mixers,
1862				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1863		break;
1864
1865	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1866		err = snd_nativeinstruments_create_mixer(mixer,
1867				snd_nativeinstruments_ta10_mixers,
1868				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1869		break;
1870
1871	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1872		/* detection is disabled in mixer_maps.c */
1873		err = snd_create_std_mono_table(mixer, ebox44_table);
1874		break;
1875
1876	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
1877	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
1878	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
1879	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
1880	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
1881		err = snd_scarlett_controls_create(mixer);
1882		break;
1883
 
 
 
 
 
 
1884	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
1885		err = snd_soundblaster_e1_switch_create(mixer);
1886		break;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1887	}
1888
1889	return err;
1890}
 
 
 
 
 
 
 
 
 
 
 
1891
1892void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1893				    int unitid)
1894{
1895	if (!mixer->rc_cfg)
1896		return;
1897	/* unit ids specific to Extigy/Audigy 2 NX: */
1898	switch (unitid) {
1899	case 0: /* remote control */
1900		mixer->rc_urb->dev = mixer->chip->dev;
1901		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1902		break;
1903	case 4: /* digital in jack */
1904	case 7: /* line in jacks */
1905	case 19: /* speaker out jacks */
1906	case 20: /* headphones out jack */
1907		break;
1908	/* live24ext: 4 = line-in jack */
1909	case 3:	/* hp-out jack (may actuate Mute) */
1910		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1911		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1912			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1913		break;
1914	default:
1915		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
1916		break;
1917	}
1918}
1919
1920static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
1921					 struct usb_mixer_elem_info *cval,
1922					 struct snd_kcontrol *kctl)
1923{
1924	/* Approximation using 10 ranges based on output measurement on hw v1.2.
1925	 * This seems close to the cubic mapping e.g. alsamixer uses. */
1926	static const DECLARE_TLV_DB_RANGE(scale,
1927		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
1928		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
1929		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
1930		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
1931		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
1932		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
1933		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
1934		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
1935		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
1936		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
1937	);
1938
1939	if (cval->min == 0 && cval->max == 50) {
1940		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
1941		kctl->tlv.p = scale;
1942		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1943		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
1944
1945	} else if (cval->min == 0 && cval->max <= 1000) {
1946		/* Some other clearly broken DragonFly variant.
1947		 * At least a 0..53 variant (hw v1.0) exists.
1948		 */
1949		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
1950		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
1951	}
1952}
1953
1954void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
1955				  struct usb_mixer_elem_info *cval, int unitid,
1956				  struct snd_kcontrol *kctl)
1957{
1958	switch (mixer->chip->usb_id) {
1959	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
1960		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
1961			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
1962		break;
1963	/* lowest playback value is muted on C-Media devices */
1964	case USB_ID(0x0d8c, 0x000c):
1965	case USB_ID(0x0d8c, 0x0014):
1966		if (strstr(kctl->id.name, "Playback"))
1967			cval->min_mute = 1;
1968		break;
1969	}
1970}
1971