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v6.13.7
   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/bitfield.h>
  18#include <linux/hid.h>
  19#include <linux/init.h>
  20#include <linux/math64.h>
  21#include <linux/slab.h>
  22#include <linux/usb.h>
  23#include <linux/usb/audio.h>
  24
  25#include <sound/asoundef.h>
  26#include <sound/core.h>
  27#include <sound/control.h>
  28#include <sound/hda_verbs.h>
  29#include <sound/hwdep.h>
  30#include <sound/info.h>
  31#include <sound/tlv.h>
  32
  33#include "usbaudio.h"
  34#include "mixer.h"
  35#include "mixer_quirks.h"
  36#include "mixer_scarlett.h"
  37#include "mixer_scarlett2.h"
  38#include "mixer_us16x08.h"
  39#include "mixer_s1810c.h"
  40#include "helper.h"
  41
  42struct std_mono_table {
  43	unsigned int unitid, control, cmask;
  44	int val_type;
  45	const char *name;
  46	snd_kcontrol_tlv_rw_t *tlv_callback;
  47};
  48
  49/* This function allows for the creation of standard UAC controls.
  50 * See the quirks for M-Audio FTUs or Ebox-44.
  51 * If you don't want to set a TLV callback pass NULL.
  52 *
  53 * Since there doesn't seem to be a devices that needs a multichannel
  54 * version, we keep it mono for simplicity.
  55 */
  56static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
  57				unsigned int unitid,
  58				unsigned int control,
  59				unsigned int cmask,
  60				int val_type,
  61				unsigned int idx_off,
  62				const char *name,
  63				snd_kcontrol_tlv_rw_t *tlv_callback)
  64{
  65	struct usb_mixer_elem_info *cval;
  66	struct snd_kcontrol *kctl;
  67
  68	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  69	if (!cval)
  70		return -ENOMEM;
  71
  72	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
  73	cval->val_type = val_type;
  74	cval->channels = 1;
  75	cval->control = control;
  76	cval->cmask = cmask;
  77	cval->idx_off = idx_off;
  78
  79	/* get_min_max() is called only for integer volumes later,
  80	 * so provide a short-cut for booleans */
  81	cval->min = 0;
  82	cval->max = 1;
  83	cval->res = 0;
  84	cval->dBmin = 0;
  85	cval->dBmax = 0;
  86
  87	/* Create control */
  88	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
  89	if (!kctl) {
  90		kfree(cval);
  91		return -ENOMEM;
  92	}
  93
  94	/* Set name */
  95	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
  96	kctl->private_free = snd_usb_mixer_elem_free;
  97
  98	/* set TLV */
  99	if (tlv_callback) {
 100		kctl->tlv.c = tlv_callback;
 101		kctl->vd[0].access |=
 102			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 103			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 104	}
 105	/* Add control to mixer */
 106	return snd_usb_mixer_add_control(&cval->head, kctl);
 107}
 108
 109static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
 110				unsigned int unitid,
 111				unsigned int control,
 112				unsigned int cmask,
 113				int val_type,
 114				const char *name,
 115				snd_kcontrol_tlv_rw_t *tlv_callback)
 116{
 117	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
 118		val_type, 0 /* Offset */, name, tlv_callback);
 119}
 120
 121/*
 122 * Create a set of standard UAC controls from a table
 123 */
 124static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 125				     const struct std_mono_table *t)
 126{
 127	int err;
 128
 129	while (t->name != NULL) {
 130		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 131				t->cmask, t->val_type, t->name, t->tlv_callback);
 132		if (err < 0)
 133			return err;
 134		t++;
 135	}
 136
 137	return 0;
 138}
 139
 140static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
 141				      int id,
 142				      usb_mixer_elem_resume_func_t resume,
 143				      const struct snd_kcontrol_new *knew,
 144				      struct usb_mixer_elem_list **listp)
 145{
 146	struct usb_mixer_elem_list *list;
 147	struct snd_kcontrol *kctl;
 148
 149	list = kzalloc(sizeof(*list), GFP_KERNEL);
 150	if (!list)
 151		return -ENOMEM;
 152	if (listp)
 153		*listp = list;
 154	list->mixer = mixer;
 155	list->id = id;
 156	list->resume = resume;
 157	kctl = snd_ctl_new1(knew, list);
 158	if (!kctl) {
 159		kfree(list);
 160		return -ENOMEM;
 161	}
 162	kctl->private_free = snd_usb_mixer_elem_free;
 163	/* don't use snd_usb_mixer_add_control() here, this is a special list element */
 164	return snd_usb_mixer_add_list(list, kctl, false);
 165}
 166
 167/*
 168 * Sound Blaster remote control configuration
 169 *
 170 * format of remote control data:
 171 * Extigy:       xx 00
 172 * Audigy 2 NX:  06 80 xx 00 00 00
 173 * Live! 24-bit: 06 80 xx yy 22 83
 174 */
 175static const struct rc_config {
 176	u32 usb_id;
 177	u8  offset;
 178	u8  length;
 179	u8  packet_length;
 180	u8  min_packet_length; /* minimum accepted length of the URB result */
 181	u8  mute_mixer_id;
 182	u32 mute_code;
 183} rc_configs[] = {
 184	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 185	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 186	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 187	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 188	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 189	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 190	{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 191	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 192};
 193
 194static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 195{
 196	struct usb_mixer_interface *mixer = urb->context;
 197	const struct rc_config *rc = mixer->rc_cfg;
 198	u32 code;
 199
 200	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 201		return;
 202
 203	code = mixer->rc_buffer[rc->offset];
 204	if (rc->length == 2)
 205		code |= mixer->rc_buffer[rc->offset + 1] << 8;
 206
 207	/* the Mute button actually changes the mixer control */
 208	if (code == rc->mute_code)
 209		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 210	mixer->rc_code = code;
 211	wmb();
 212	wake_up(&mixer->rc_waitq);
 213}
 214
 215static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 216				     long count, loff_t *offset)
 217{
 218	struct usb_mixer_interface *mixer = hw->private_data;
 219	int err;
 220	u32 rc_code;
 221
 222	if (count != 1 && count != 4)
 223		return -EINVAL;
 224	err = wait_event_interruptible(mixer->rc_waitq,
 225				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 226	if (err == 0) {
 227		if (count == 1)
 228			err = put_user(rc_code, buf);
 229		else
 230			err = put_user(rc_code, (u32 __user *)buf);
 231	}
 232	return err < 0 ? err : count;
 233}
 234
 235static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 236					    poll_table *wait)
 237{
 238	struct usb_mixer_interface *mixer = hw->private_data;
 239
 240	poll_wait(file, &mixer->rc_waitq, wait);
 241	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
 242}
 243
 244static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 245{
 246	struct snd_hwdep *hwdep;
 247	int err, len, i;
 248
 249	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 250		if (rc_configs[i].usb_id == mixer->chip->usb_id)
 251			break;
 252	if (i >= ARRAY_SIZE(rc_configs))
 253		return 0;
 254	mixer->rc_cfg = &rc_configs[i];
 255
 256	len = mixer->rc_cfg->packet_length;
 257
 258	init_waitqueue_head(&mixer->rc_waitq);
 259	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 260	if (err < 0)
 261		return err;
 262	snprintf(hwdep->name, sizeof(hwdep->name),
 263		 "%s remote control", mixer->chip->card->shortname);
 264	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 265	hwdep->private_data = mixer;
 266	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 267	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 268	hwdep->exclusive = 1;
 269
 270	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 271	if (!mixer->rc_urb)
 272		return -ENOMEM;
 273	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 274	if (!mixer->rc_setup_packet) {
 275		usb_free_urb(mixer->rc_urb);
 276		mixer->rc_urb = NULL;
 277		return -ENOMEM;
 278	}
 279	mixer->rc_setup_packet->bRequestType =
 280		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 281	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 282	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 283	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 284	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 285	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 286			     usb_rcvctrlpipe(mixer->chip->dev, 0),
 287			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 288			     snd_usb_soundblaster_remote_complete, mixer);
 289	return 0;
 290}
 291
 292#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
 293
 294static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 295{
 296	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
 297	return 0;
 298}
 299
 300static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
 301				    int value, int index)
 302{
 303	struct snd_usb_audio *chip = mixer->chip;
 304	int err;
 305
 306	err = snd_usb_lock_shutdown(chip);
 307	if (err < 0)
 308		return err;
 309
 310	if (chip->usb_id == USB_ID(0x041e, 0x3042))
 311		err = snd_usb_ctl_msg(chip->dev,
 312			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 313			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 314			      !value, 0, NULL, 0);
 315	/* USB X-Fi S51 Pro */
 316	if (chip->usb_id == USB_ID(0x041e, 0x30df))
 317		err = snd_usb_ctl_msg(chip->dev,
 318			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 319			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 320			      !value, 0, NULL, 0);
 321	else
 322		err = snd_usb_ctl_msg(chip->dev,
 323			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 324			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 325			      value, index + 2, NULL, 0);
 326	snd_usb_unlock_shutdown(chip);
 327	return err;
 328}
 329
 330static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
 331				 struct snd_ctl_elem_value *ucontrol)
 332{
 333	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 334	struct usb_mixer_interface *mixer = list->mixer;
 335	int index = kcontrol->private_value & 0xff;
 336	unsigned int value = ucontrol->value.integer.value[0];
 337	int old_value = kcontrol->private_value >> 8;
 338	int err;
 339
 340	if (value > 1)
 341		return -EINVAL;
 342	if (value == old_value)
 343		return 0;
 344	kcontrol->private_value = (value << 8) | index;
 345	err = snd_audigy2nx_led_update(mixer, value, index);
 346	return err < 0 ? err : 1;
 347}
 348
 349static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
 350{
 351	int priv_value = list->kctl->private_value;
 352
 353	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
 354					priv_value & 0xff);
 355}
 356
 357/* name and private_value are set dynamically */
 358static const struct snd_kcontrol_new snd_audigy2nx_control = {
 359	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 360	.info = snd_audigy2nx_led_info,
 361	.get = snd_audigy2nx_led_get,
 362	.put = snd_audigy2nx_led_put,
 363};
 364
 365static const char * const snd_audigy2nx_led_names[] = {
 366	"CMSS LED Switch",
 367	"Power LED Switch",
 368	"Dolby Digital LED Switch",
 369};
 370
 371static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 372{
 373	int i, err;
 374
 375	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
 376		struct snd_kcontrol_new knew;
 377
 378		/* USB X-Fi S51 doesn't have a CMSS LED */
 379		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 380			continue;
 381		/* USB X-Fi S51 Pro doesn't have one either */
 382		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 383			continue;
 384		if (i > 1 && /* Live24ext has 2 LEDs only */
 385			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 386			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 387			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 388			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 389			break; 
 390
 391		knew = snd_audigy2nx_control;
 392		knew.name = snd_audigy2nx_led_names[i];
 393		knew.private_value = (1 << 8) | i; /* LED on as default */
 394		err = add_single_ctl_with_resume(mixer, 0,
 395						 snd_audigy2nx_led_resume,
 396						 &knew, NULL);
 397		if (err < 0)
 398			return err;
 399	}
 400	return 0;
 401}
 402
 403static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 404				    struct snd_info_buffer *buffer)
 405{
 406	static const struct sb_jack {
 407		int unitid;
 408		const char *name;
 409	}  jacks_audigy2nx[] = {
 410		{4,  "dig in "},
 411		{7,  "line in"},
 412		{19, "spk out"},
 413		{20, "hph out"},
 414		{-1, NULL}
 415	}, jacks_live24ext[] = {
 416		{4,  "line in"}, /* &1=Line, &2=Mic*/
 417		{3,  "hph out"}, /* headphones */
 418		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 419		{-1, NULL}
 420	};
 421	const struct sb_jack *jacks;
 422	struct usb_mixer_interface *mixer = entry->private_data;
 423	int i, err;
 424	u8 buf[3];
 425
 426	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 427	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 428		jacks = jacks_audigy2nx;
 429	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 430		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 431		jacks = jacks_live24ext;
 432	else
 433		return;
 434
 435	for (i = 0; jacks[i].name; ++i) {
 436		snd_iprintf(buffer, "%s: ", jacks[i].name);
 437		err = snd_usb_lock_shutdown(mixer->chip);
 438		if (err < 0)
 439			return;
 440		err = snd_usb_ctl_msg(mixer->chip->dev,
 441				      usb_rcvctrlpipe(mixer->chip->dev, 0),
 442				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 443				      USB_RECIP_INTERFACE, 0,
 444				      jacks[i].unitid << 8, buf, 3);
 445		snd_usb_unlock_shutdown(mixer->chip);
 446		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 447			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 448		else
 449			snd_iprintf(buffer, "?\n");
 450	}
 451}
 452
 453/* EMU0204 */
 454static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
 455				      struct snd_ctl_elem_info *uinfo)
 456{
 457	static const char * const texts[2] = {"1/2", "3/4"};
 458
 459	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 460}
 461
 462static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
 463				     struct snd_ctl_elem_value *ucontrol)
 464{
 465	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
 466	return 0;
 467}
 468
 469static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
 470					int value)
 471{
 472	struct snd_usb_audio *chip = mixer->chip;
 473	int err;
 474	unsigned char buf[2];
 475
 476	err = snd_usb_lock_shutdown(chip);
 477	if (err < 0)
 478		return err;
 479
 480	buf[0] = 0x01;
 481	buf[1] = value ? 0x02 : 0x01;
 482	err = snd_usb_ctl_msg(chip->dev,
 483		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 484		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 485		      0x0400, 0x0e00, buf, 2);
 486	snd_usb_unlock_shutdown(chip);
 487	return err;
 488}
 489
 490static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
 491				     struct snd_ctl_elem_value *ucontrol)
 492{
 493	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 494	struct usb_mixer_interface *mixer = list->mixer;
 495	unsigned int value = ucontrol->value.enumerated.item[0];
 496	int err;
 497
 498	if (value > 1)
 499		return -EINVAL;
 500
 501	if (value == kcontrol->private_value)
 502		return 0;
 503
 504	kcontrol->private_value = value;
 505	err = snd_emu0204_ch_switch_update(mixer, value);
 506	return err < 0 ? err : 1;
 507}
 508
 509static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
 510{
 511	return snd_emu0204_ch_switch_update(list->mixer,
 512					    list->kctl->private_value);
 513}
 514
 515static const struct snd_kcontrol_new snd_emu0204_control = {
 516	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 517	.name = "Front Jack Channels",
 518	.info = snd_emu0204_ch_switch_info,
 519	.get = snd_emu0204_ch_switch_get,
 520	.put = snd_emu0204_ch_switch_put,
 521	.private_value = 0,
 522};
 523
 524static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
 525{
 526	return add_single_ctl_with_resume(mixer, 0,
 527					  snd_emu0204_ch_switch_resume,
 528					  &snd_emu0204_control, NULL);
 529}
 530
 531/* ASUS Xonar U1 / U3 controls */
 532
 533static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 534				   struct snd_ctl_elem_value *ucontrol)
 535{
 536	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
 537	return 0;
 538}
 539
 540static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
 541				      unsigned char status)
 542{
 543	struct snd_usb_audio *chip = mixer->chip;
 544	int err;
 545
 546	err = snd_usb_lock_shutdown(chip);
 547	if (err < 0)
 548		return err;
 549	err = snd_usb_ctl_msg(chip->dev,
 550			      usb_sndctrlpipe(chip->dev, 0), 0x08,
 551			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 552			      50, 0, &status, 1);
 553	snd_usb_unlock_shutdown(chip);
 554	return err;
 555}
 556
 557static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 558				   struct snd_ctl_elem_value *ucontrol)
 559{
 560	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 561	u8 old_status, new_status;
 562	int err;
 563
 564	old_status = kcontrol->private_value;
 565	if (ucontrol->value.integer.value[0])
 566		new_status = old_status | 0x02;
 567	else
 568		new_status = old_status & ~0x02;
 569	if (new_status == old_status)
 570		return 0;
 571
 572	kcontrol->private_value = new_status;
 573	err = snd_xonar_u1_switch_update(list->mixer, new_status);
 574	return err < 0 ? err : 1;
 575}
 576
 577static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
 578{
 579	return snd_xonar_u1_switch_update(list->mixer,
 580					  list->kctl->private_value);
 581}
 582
 583static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 584	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 585	.name = "Digital Playback Switch",
 586	.info = snd_ctl_boolean_mono_info,
 587	.get = snd_xonar_u1_switch_get,
 588	.put = snd_xonar_u1_switch_put,
 589	.private_value = 0x05,
 590};
 591
 592static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 593{
 594	return add_single_ctl_with_resume(mixer, 0,
 595					  snd_xonar_u1_switch_resume,
 596					  &snd_xonar_u1_output_switch, NULL);
 597}
 598
 599/* Digidesign Mbox 1 helper functions */
 600
 601static int snd_mbox1_is_spdif_synced(struct snd_usb_audio *chip)
 602{
 603	unsigned char buff[3];
 604	int err;
 605	int is_spdif_synced;
 606
 607	/* Read clock source */
 608	err = snd_usb_ctl_msg(chip->dev,
 609			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
 610			      USB_DIR_IN |
 611			      USB_TYPE_CLASS |
 612			      USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 613	if (err < 0)
 614		return err;
 615
 616	/* spdif sync: buff is all zeroes */
 617	is_spdif_synced = !(buff[0] | buff[1] | buff[2]);
 618	return is_spdif_synced;
 619}
 620
 621static int snd_mbox1_set_clk_source(struct snd_usb_audio *chip, int rate_or_zero)
 622{
 623	/* 2 possibilities:	Internal    -> expects sample rate
 624	 *			S/PDIF sync -> expects rate = 0
 625	 */
 626	unsigned char buff[3];
 627
 628	buff[0] = (rate_or_zero >>  0) & 0xff;
 629	buff[1] = (rate_or_zero >>  8) & 0xff;
 630	buff[2] = (rate_or_zero >> 16) & 0xff;
 631
 632	/* Set clock source */
 633	return snd_usb_ctl_msg(chip->dev,
 634			       usb_sndctrlpipe(chip->dev, 0), 0x1,
 635			       USB_TYPE_CLASS |
 636			       USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 637}
 638
 639static int snd_mbox1_is_spdif_input(struct snd_usb_audio *chip)
 640{
 641	/* Hardware gives 2 possibilities:	ANALOG Source  -> 0x01
 642	 *					S/PDIF Source  -> 0x02
 643	 */
 644	int err;
 645	unsigned char source[1];
 646
 647	/* Read input source */
 648	err = snd_usb_ctl_msg(chip->dev,
 649			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
 650			      USB_DIR_IN |
 651			      USB_TYPE_CLASS |
 652			      USB_RECIP_INTERFACE, 0x00, 0x500, source, 1);
 653	if (err < 0)
 654		return err;
 655
 656	return (source[0] == 2);
 657}
 658
 659static int snd_mbox1_set_input_source(struct snd_usb_audio *chip, int is_spdif)
 660{
 661	/* NB: Setting the input source to S/PDIF resets the clock source to S/PDIF
 662	 * Hardware expects 2 possibilities:	ANALOG Source  -> 0x01
 663	 *					S/PDIF Source  -> 0x02
 664	 */
 665	unsigned char buff[1];
 666
 667	buff[0] = (is_spdif & 1) + 1;
 668
 669	/* Set input source */
 670	return snd_usb_ctl_msg(chip->dev,
 671			       usb_sndctrlpipe(chip->dev, 0), 0x1,
 672			       USB_TYPE_CLASS |
 673			       USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
 674}
 675
 676/* Digidesign Mbox 1 clock source switch (internal/spdif) */
 677
 678static int snd_mbox1_clk_switch_get(struct snd_kcontrol *kctl,
 679				    struct snd_ctl_elem_value *ucontrol)
 680{
 681	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 682	struct snd_usb_audio *chip = list->mixer->chip;
 683	int err;
 684
 685	err = snd_usb_lock_shutdown(chip);
 686	if (err < 0)
 687		goto err;
 688
 689	err = snd_mbox1_is_spdif_synced(chip);
 690	if (err < 0)
 691		goto err;
 692
 693	kctl->private_value = err;
 694	err = 0;
 695	ucontrol->value.enumerated.item[0] = kctl->private_value;
 696err:
 697	snd_usb_unlock_shutdown(chip);
 698	return err;
 699}
 700
 701static int snd_mbox1_clk_switch_update(struct usb_mixer_interface *mixer, int is_spdif_sync)
 702{
 703	struct snd_usb_audio *chip = mixer->chip;
 704	int err;
 705
 706	err = snd_usb_lock_shutdown(chip);
 707	if (err < 0)
 708		return err;
 709
 710	err = snd_mbox1_is_spdif_input(chip);
 711	if (err < 0)
 712		goto err;
 713
 714	err = snd_mbox1_is_spdif_synced(chip);
 715	if (err < 0)
 716		goto err;
 717
 718	/* FIXME: hardcoded sample rate */
 719	err = snd_mbox1_set_clk_source(chip, is_spdif_sync ? 0 : 48000);
 720	if (err < 0)
 721		goto err;
 722
 723	err = snd_mbox1_is_spdif_synced(chip);
 724err:
 725	snd_usb_unlock_shutdown(chip);
 726	return err;
 727}
 728
 729static int snd_mbox1_clk_switch_put(struct snd_kcontrol *kctl,
 730				    struct snd_ctl_elem_value *ucontrol)
 731{
 732	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 733	struct usb_mixer_interface *mixer = list->mixer;
 734	int err;
 735	bool cur_val, new_val;
 736
 737	cur_val = kctl->private_value;
 738	new_val = ucontrol->value.enumerated.item[0];
 739	if (cur_val == new_val)
 740		return 0;
 741
 742	kctl->private_value = new_val;
 743	err = snd_mbox1_clk_switch_update(mixer, new_val);
 744	return err < 0 ? err : 1;
 745}
 746
 747static int snd_mbox1_clk_switch_info(struct snd_kcontrol *kcontrol,
 748				     struct snd_ctl_elem_info *uinfo)
 749{
 750	static const char *const texts[2] = {
 751		"Internal",
 752		"S/PDIF"
 753	};
 754
 755	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 756}
 757
 758static int snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list *list)
 759{
 760	return snd_mbox1_clk_switch_update(list->mixer, list->kctl->private_value);
 761}
 762
 763/* Digidesign Mbox 1 input source switch (analog/spdif) */
 764
 765static int snd_mbox1_src_switch_get(struct snd_kcontrol *kctl,
 766				    struct snd_ctl_elem_value *ucontrol)
 767{
 768	ucontrol->value.enumerated.item[0] = kctl->private_value;
 769	return 0;
 770}
 771
 772static int snd_mbox1_src_switch_update(struct usb_mixer_interface *mixer, int is_spdif_input)
 773{
 774	struct snd_usb_audio *chip = mixer->chip;
 775	int err;
 776
 777	err = snd_usb_lock_shutdown(chip);
 778	if (err < 0)
 779		return err;
 780
 781	err = snd_mbox1_is_spdif_input(chip);
 782	if (err < 0)
 783		goto err;
 784
 785	err = snd_mbox1_set_input_source(chip, is_spdif_input);
 786	if (err < 0)
 787		goto err;
 788
 789	err = snd_mbox1_is_spdif_input(chip);
 790	if (err < 0)
 791		goto err;
 792
 793	err = snd_mbox1_is_spdif_synced(chip);
 794err:
 795	snd_usb_unlock_shutdown(chip);
 796	return err;
 797}
 798
 799static int snd_mbox1_src_switch_put(struct snd_kcontrol *kctl,
 800				    struct snd_ctl_elem_value *ucontrol)
 801{
 802	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 803	struct usb_mixer_interface *mixer = list->mixer;
 804	int err;
 805	bool cur_val, new_val;
 806
 807	cur_val = kctl->private_value;
 808	new_val = ucontrol->value.enumerated.item[0];
 809	if (cur_val == new_val)
 810		return 0;
 811
 812	kctl->private_value = new_val;
 813	err = snd_mbox1_src_switch_update(mixer, new_val);
 814	return err < 0 ? err : 1;
 815}
 816
 817static int snd_mbox1_src_switch_info(struct snd_kcontrol *kcontrol,
 818				     struct snd_ctl_elem_info *uinfo)
 819{
 820	static const char *const texts[2] = {
 821		"Analog",
 822		"S/PDIF"
 823	};
 824
 825	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 826}
 827
 828static int snd_mbox1_src_switch_resume(struct usb_mixer_elem_list *list)
 829{
 830	return snd_mbox1_src_switch_update(list->mixer, list->kctl->private_value);
 831}
 832
 833static const struct snd_kcontrol_new snd_mbox1_clk_switch = {
 834	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 835	.name = "Clock Source",
 836	.index = 0,
 837	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 838	.info = snd_mbox1_clk_switch_info,
 839	.get = snd_mbox1_clk_switch_get,
 840	.put = snd_mbox1_clk_switch_put,
 841	.private_value = 0
 842};
 843
 844static const struct snd_kcontrol_new snd_mbox1_src_switch = {
 845	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 846	.name = "Input Source",
 847	.index = 1,
 848	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 849	.info = snd_mbox1_src_switch_info,
 850	.get = snd_mbox1_src_switch_get,
 851	.put = snd_mbox1_src_switch_put,
 852	.private_value = 0
 853};
 854
 855static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer)
 856{
 857	int err;
 858	err = add_single_ctl_with_resume(mixer, 0,
 859					 snd_mbox1_clk_switch_resume,
 860					 &snd_mbox1_clk_switch, NULL);
 861	if (err < 0)
 862		return err;
 863
 864	return add_single_ctl_with_resume(mixer, 1,
 865					  snd_mbox1_src_switch_resume,
 866					  &snd_mbox1_src_switch, NULL);
 867}
 868
 869/* Native Instruments device quirks */
 870
 871#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 872
 873static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
 874				   struct snd_kcontrol *kctl)
 875{
 876	struct usb_device *dev = mixer->chip->dev;
 877	unsigned int pval = kctl->private_value;
 878	u8 value;
 879	int err;
 880
 881	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 882			      (pval >> 16) & 0xff,
 883			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 884			      0, pval & 0xffff, &value, 1);
 885	if (err < 0) {
 886		dev_err(&dev->dev,
 887			"unable to issue vendor read request (ret = %d)", err);
 888		return err;
 889	}
 890
 891	kctl->private_value |= ((unsigned int)value << 24);
 892	return 0;
 893}
 894
 895static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 896					     struct snd_ctl_elem_value *ucontrol)
 897{
 898	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
 899	return 0;
 900}
 901
 902static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
 903{
 904	struct snd_usb_audio *chip = list->mixer->chip;
 905	unsigned int pval = list->kctl->private_value;
 906	int err;
 907
 908	err = snd_usb_lock_shutdown(chip);
 909	if (err < 0)
 910		return err;
 911	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
 912			      (pval >> 16) & 0xff,
 913			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 914			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
 915	snd_usb_unlock_shutdown(chip);
 916	return err;
 917}
 918
 919static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 920					     struct snd_ctl_elem_value *ucontrol)
 921{
 922	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 923	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
 924	u8 newval = ucontrol->value.integer.value[0];
 925	int err;
 926
 927	if (oldval == newval)
 928		return 0;
 929
 930	kcontrol->private_value &= ~(0xff << 24);
 931	kcontrol->private_value |= (unsigned int)newval << 24;
 932	err = snd_ni_update_cur_val(list);
 933	return err < 0 ? err : 1;
 934}
 935
 936static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 937	{
 938		.name = "Direct Thru Channel A",
 939		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 940	},
 941	{
 942		.name = "Direct Thru Channel B",
 943		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 944	},
 945	{
 946		.name = "Phono Input Channel A",
 947		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 948	},
 949	{
 950		.name = "Phono Input Channel B",
 951		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 952	},
 953};
 954
 955static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 956	{
 957		.name = "Direct Thru Channel A",
 958		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 959	},
 960	{
 961		.name = "Direct Thru Channel B",
 962		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 963	},
 964	{
 965		.name = "Direct Thru Channel C",
 966		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 967	},
 968	{
 969		.name = "Direct Thru Channel D",
 970		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 971	},
 972	{
 973		.name = "Phono Input Channel A",
 974		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 975	},
 976	{
 977		.name = "Phono Input Channel B",
 978		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 979	},
 980	{
 981		.name = "Phono Input Channel C",
 982		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 983	},
 984	{
 985		.name = "Phono Input Channel D",
 986		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 987	},
 988};
 989
 990static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 991					      const struct snd_kcontrol_new *kc,
 992					      unsigned int count)
 993{
 994	int i, err = 0;
 995	struct snd_kcontrol_new template = {
 996		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 997		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 998		.get = snd_nativeinstruments_control_get,
 999		.put = snd_nativeinstruments_control_put,
1000		.info = snd_ctl_boolean_mono_info,
1001	};
1002
1003	for (i = 0; i < count; i++) {
1004		struct usb_mixer_elem_list *list;
1005
1006		template.name = kc[i].name;
1007		template.private_value = kc[i].private_value;
1008
1009		err = add_single_ctl_with_resume(mixer, 0,
1010						 snd_ni_update_cur_val,
1011						 &template, &list);
1012		if (err < 0)
1013			break;
1014		snd_ni_control_init_val(mixer, list->kctl);
1015	}
1016
1017	return err;
1018}
1019
1020/* M-Audio FastTrack Ultra quirks */
1021/* FTU Effect switch (also used by C400/C600) */
1022static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
1023					struct snd_ctl_elem_info *uinfo)
1024{
1025	static const char *const texts[8] = {
1026		"Room 1", "Room 2", "Room 3", "Hall 1",
1027		"Hall 2", "Plate", "Delay", "Echo"
1028	};
1029
1030	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1031}
1032
1033static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
1034				   struct snd_kcontrol *kctl)
1035{
1036	struct usb_device *dev = mixer->chip->dev;
1037	unsigned int pval = kctl->private_value;
1038	int err;
1039	unsigned char value[2];
1040
1041	value[0] = 0x00;
1042	value[1] = 0x00;
1043
1044	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
1045			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
1046			      pval & 0xff00,
1047			      snd_usb_ctrl_intf(mixer->hostif) | ((pval & 0xff) << 8),
1048			      value, 2);
1049	if (err < 0)
1050		return err;
1051
1052	kctl->private_value |= (unsigned int)value[0] << 24;
1053	return 0;
1054}
1055
1056static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
1057					struct snd_ctl_elem_value *ucontrol)
1058{
1059	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
1060	return 0;
1061}
1062
1063static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
1064{
1065	struct snd_usb_audio *chip = list->mixer->chip;
1066	unsigned int pval = list->kctl->private_value;
1067	unsigned char value[2];
1068	int err;
1069
1070	value[0] = pval >> 24;
1071	value[1] = 0;
1072
1073	err = snd_usb_lock_shutdown(chip);
1074	if (err < 0)
1075		return err;
1076	err = snd_usb_ctl_msg(chip->dev,
1077			      usb_sndctrlpipe(chip->dev, 0),
1078			      UAC_SET_CUR,
1079			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
1080			      pval & 0xff00,
1081			      snd_usb_ctrl_intf(list->mixer->hostif) | ((pval & 0xff) << 8),
1082			      value, 2);
1083	snd_usb_unlock_shutdown(chip);
1084	return err;
1085}
1086
1087static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
1088					struct snd_ctl_elem_value *ucontrol)
1089{
1090	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
1091	unsigned int pval = list->kctl->private_value;
1092	int cur_val, err, new_val;
1093
1094	cur_val = pval >> 24;
1095	new_val = ucontrol->value.enumerated.item[0];
1096	if (cur_val == new_val)
1097		return 0;
1098
1099	kctl->private_value &= ~(0xff << 24);
1100	kctl->private_value |= new_val << 24;
1101	err = snd_ftu_eff_switch_update(list);
1102	return err < 0 ? err : 1;
1103}
1104
1105static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
1106	int validx, int bUnitID)
1107{
1108	static struct snd_kcontrol_new template = {
1109		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1110		.name = "Effect Program Switch",
1111		.index = 0,
1112		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1113		.info = snd_ftu_eff_switch_info,
1114		.get = snd_ftu_eff_switch_get,
1115		.put = snd_ftu_eff_switch_put
1116	};
1117	struct usb_mixer_elem_list *list;
1118	int err;
1119
1120	err = add_single_ctl_with_resume(mixer, bUnitID,
1121					 snd_ftu_eff_switch_update,
1122					 &template, &list);
1123	if (err < 0)
1124		return err;
1125	list->kctl->private_value = (validx << 8) | bUnitID;
1126	snd_ftu_eff_switch_init(mixer, list->kctl);
1127	return 0;
1128}
1129
1130/* Create volume controls for FTU devices*/
1131static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
1132{
1133	char name[64];
1134	unsigned int control, cmask;
1135	int in, out, err;
1136
1137	const unsigned int id = 5;
1138	const int val_type = USB_MIXER_S16;
1139
1140	for (out = 0; out < 8; out++) {
1141		control = out + 1;
1142		for (in = 0; in < 8; in++) {
1143			cmask = BIT(in);
1144			snprintf(name, sizeof(name),
1145				"AIn%d - Out%d Capture Volume",
1146				in  + 1, out + 1);
1147			err = snd_create_std_mono_ctl(mixer, id, control,
1148							cmask, val_type, name,
1149							&snd_usb_mixer_vol_tlv);
1150			if (err < 0)
1151				return err;
1152		}
1153		for (in = 8; in < 16; in++) {
1154			cmask = BIT(in);
1155			snprintf(name, sizeof(name),
1156				"DIn%d - Out%d Playback Volume",
1157				in - 7, out + 1);
1158			err = snd_create_std_mono_ctl(mixer, id, control,
1159							cmask, val_type, name,
1160							&snd_usb_mixer_vol_tlv);
1161			if (err < 0)
1162				return err;
1163		}
1164	}
1165
1166	return 0;
1167}
1168
1169/* This control needs a volume quirk, see mixer.c */
1170static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1171{
1172	static const char name[] = "Effect Volume";
1173	const unsigned int id = 6;
1174	const int val_type = USB_MIXER_U8;
1175	const unsigned int control = 2;
1176	const unsigned int cmask = 0;
1177
1178	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1179					name, snd_usb_mixer_vol_tlv);
1180}
1181
1182/* This control needs a volume quirk, see mixer.c */
1183static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1184{
1185	static const char name[] = "Effect Duration";
1186	const unsigned int id = 6;
1187	const int val_type = USB_MIXER_S16;
1188	const unsigned int control = 3;
1189	const unsigned int cmask = 0;
1190
1191	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1192					name, snd_usb_mixer_vol_tlv);
1193}
1194
1195/* This control needs a volume quirk, see mixer.c */
1196static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1197{
1198	static const char name[] = "Effect Feedback Volume";
1199	const unsigned int id = 6;
1200	const int val_type = USB_MIXER_U8;
1201	const unsigned int control = 4;
1202	const unsigned int cmask = 0;
1203
1204	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1205					name, NULL);
1206}
1207
1208static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1209{
1210	unsigned int cmask;
1211	int err, ch;
1212	char name[48];
1213
1214	const unsigned int id = 7;
1215	const int val_type = USB_MIXER_S16;
1216	const unsigned int control = 7;
1217
1218	for (ch = 0; ch < 4; ++ch) {
1219		cmask = BIT(ch);
1220		snprintf(name, sizeof(name),
1221			"Effect Return %d Volume", ch + 1);
1222		err = snd_create_std_mono_ctl(mixer, id, control,
1223						cmask, val_type, name,
1224						snd_usb_mixer_vol_tlv);
1225		if (err < 0)
1226			return err;
1227	}
1228
1229	return 0;
1230}
1231
1232static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1233{
1234	unsigned int  cmask;
1235	int err, ch;
1236	char name[48];
1237
1238	const unsigned int id = 5;
1239	const int val_type = USB_MIXER_S16;
1240	const unsigned int control = 9;
1241
1242	for (ch = 0; ch < 8; ++ch) {
1243		cmask = BIT(ch);
1244		snprintf(name, sizeof(name),
1245			"Effect Send AIn%d Volume", ch + 1);
1246		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1247						val_type, name,
1248						snd_usb_mixer_vol_tlv);
1249		if (err < 0)
1250			return err;
1251	}
1252	for (ch = 8; ch < 16; ++ch) {
1253		cmask = BIT(ch);
1254		snprintf(name, sizeof(name),
1255			"Effect Send DIn%d Volume", ch - 7);
1256		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1257						val_type, name,
1258						snd_usb_mixer_vol_tlv);
1259		if (err < 0)
1260			return err;
1261	}
1262	return 0;
1263}
1264
1265static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1266{
1267	int err;
1268
1269	err = snd_ftu_create_volume_ctls(mixer);
1270	if (err < 0)
1271		return err;
1272
1273	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1274	if (err < 0)
1275		return err;
1276
1277	err = snd_ftu_create_effect_volume_ctl(mixer);
1278	if (err < 0)
1279		return err;
1280
1281	err = snd_ftu_create_effect_duration_ctl(mixer);
1282	if (err < 0)
1283		return err;
1284
1285	err = snd_ftu_create_effect_feedback_ctl(mixer);
1286	if (err < 0)
1287		return err;
1288
1289	err = snd_ftu_create_effect_return_ctls(mixer);
1290	if (err < 0)
1291		return err;
1292
1293	err = snd_ftu_create_effect_send_ctls(mixer);
1294	if (err < 0)
1295		return err;
1296
1297	return 0;
1298}
1299
1300void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1301			       unsigned char samplerate_id)
1302{
1303	struct usb_mixer_interface *mixer;
1304	struct usb_mixer_elem_info *cval;
1305	int unitid = 12; /* SampleRate ExtensionUnit ID */
1306
1307	list_for_each_entry(mixer, &chip->mixer_list, list) {
1308		if (mixer->id_elems[unitid]) {
1309			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);
1310			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1311						    cval->control << 8,
1312						    samplerate_id);
1313			snd_usb_mixer_notify_id(mixer, unitid);
1314			break;
1315		}
1316	}
1317}
1318
1319/* M-Audio Fast Track C400/C600 */
1320/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1321static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1322{
1323	char name[64];
1324	unsigned int cmask, offset;
1325	int out, chan, err;
1326	int num_outs = 0;
1327	int num_ins = 0;
1328
1329	const unsigned int id = 0x40;
1330	const int val_type = USB_MIXER_S16;
1331	const int control = 1;
1332
1333	switch (mixer->chip->usb_id) {
1334	case USB_ID(0x0763, 0x2030):
1335		num_outs = 6;
1336		num_ins = 4;
1337		break;
1338	case USB_ID(0x0763, 0x2031):
1339		num_outs = 8;
1340		num_ins = 6;
1341		break;
1342	}
1343
1344	for (chan = 0; chan < num_outs + num_ins; chan++) {
1345		for (out = 0; out < num_outs; out++) {
1346			if (chan < num_outs) {
1347				snprintf(name, sizeof(name),
1348					"PCM%d-Out%d Playback Volume",
1349					chan + 1, out + 1);
1350			} else {
1351				snprintf(name, sizeof(name),
1352					"In%d-Out%d Playback Volume",
1353					chan - num_outs + 1, out + 1);
1354			}
1355
1356			cmask = (out == 0) ? 0 : BIT(out - 1);
1357			offset = chan * num_outs;
1358			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1359						cmask, val_type, offset, name,
1360						&snd_usb_mixer_vol_tlv);
1361			if (err < 0)
1362				return err;
1363		}
1364	}
1365
1366	return 0;
1367}
1368
1369/* This control needs a volume quirk, see mixer.c */
1370static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1371{
1372	static const char name[] = "Effect Volume";
1373	const unsigned int id = 0x43;
1374	const int val_type = USB_MIXER_U8;
1375	const unsigned int control = 3;
1376	const unsigned int cmask = 0;
1377
1378	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1379					name, snd_usb_mixer_vol_tlv);
1380}
1381
1382/* This control needs a volume quirk, see mixer.c */
1383static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1384{
1385	static const char name[] = "Effect Duration";
1386	const unsigned int id = 0x43;
1387	const int val_type = USB_MIXER_S16;
1388	const unsigned int control = 4;
1389	const unsigned int cmask = 0;
1390
1391	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1392					name, snd_usb_mixer_vol_tlv);
1393}
1394
1395/* This control needs a volume quirk, see mixer.c */
1396static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1397{
1398	static const char name[] = "Effect Feedback Volume";
1399	const unsigned int id = 0x43;
1400	const int val_type = USB_MIXER_U8;
1401	const unsigned int control = 5;
1402	const unsigned int cmask = 0;
1403
1404	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1405					name, NULL);
1406}
1407
1408static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1409{
1410	char name[64];
1411	unsigned int cmask;
1412	int chan, err;
1413	int num_outs = 0;
1414	int num_ins = 0;
1415
1416	const unsigned int id = 0x42;
1417	const int val_type = USB_MIXER_S16;
1418	const int control = 1;
1419
1420	switch (mixer->chip->usb_id) {
1421	case USB_ID(0x0763, 0x2030):
1422		num_outs = 6;
1423		num_ins = 4;
1424		break;
1425	case USB_ID(0x0763, 0x2031):
1426		num_outs = 8;
1427		num_ins = 6;
1428		break;
1429	}
1430
1431	for (chan = 0; chan < num_outs + num_ins; chan++) {
1432		if (chan < num_outs) {
1433			snprintf(name, sizeof(name),
1434				"Effect Send DOut%d",
1435				chan + 1);
1436		} else {
1437			snprintf(name, sizeof(name),
1438				"Effect Send AIn%d",
1439				chan - num_outs + 1);
1440		}
1441
1442		cmask = (chan == 0) ? 0 : BIT(chan - 1);
1443		err = snd_create_std_mono_ctl(mixer, id, control,
1444						cmask, val_type, name,
1445						&snd_usb_mixer_vol_tlv);
1446		if (err < 0)
1447			return err;
1448	}
1449
1450	return 0;
1451}
1452
1453static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1454{
1455	char name[64];
1456	unsigned int cmask;
1457	int chan, err;
1458	int num_outs = 0;
1459	int offset = 0;
1460
1461	const unsigned int id = 0x40;
1462	const int val_type = USB_MIXER_S16;
1463	const int control = 1;
1464
1465	switch (mixer->chip->usb_id) {
1466	case USB_ID(0x0763, 0x2030):
1467		num_outs = 6;
1468		offset = 0x3c;
1469		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1470		break;
1471	case USB_ID(0x0763, 0x2031):
1472		num_outs = 8;
1473		offset = 0x70;
1474		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1475		break;
1476	}
1477
1478	for (chan = 0; chan < num_outs; chan++) {
1479		snprintf(name, sizeof(name),
1480			"Effect Return %d",
1481			chan + 1);
1482
1483		cmask = (chan == 0) ? 0 :
1484			BIT(chan + (chan % 2) * num_outs - 1);
1485		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1486						cmask, val_type, offset, name,
1487						&snd_usb_mixer_vol_tlv);
1488		if (err < 0)
1489			return err;
1490	}
1491
1492	return 0;
1493}
1494
1495static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1496{
1497	int err;
1498
1499	err = snd_c400_create_vol_ctls(mixer);
1500	if (err < 0)
1501		return err;
1502
1503	err = snd_c400_create_effect_vol_ctls(mixer);
1504	if (err < 0)
1505		return err;
1506
1507	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1508	if (err < 0)
1509		return err;
1510
1511	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1512	if (err < 0)
1513		return err;
1514
1515	err = snd_c400_create_effect_volume_ctl(mixer);
1516	if (err < 0)
1517		return err;
1518
1519	err = snd_c400_create_effect_duration_ctl(mixer);
1520	if (err < 0)
1521		return err;
1522
1523	err = snd_c400_create_effect_feedback_ctl(mixer);
1524	if (err < 0)
1525		return err;
1526
1527	return 0;
1528}
1529
1530/*
1531 * The mixer units for Ebox-44 are corrupt, and even where they
1532 * are valid they presents mono controls as L and R channels of
1533 * stereo. So we provide a good mixer here.
1534 */
1535static const struct std_mono_table ebox44_table[] = {
1536	{
1537		.unitid = 4,
1538		.control = 1,
1539		.cmask = 0x0,
1540		.val_type = USB_MIXER_INV_BOOLEAN,
1541		.name = "Headphone Playback Switch"
1542	},
1543	{
1544		.unitid = 4,
1545		.control = 2,
1546		.cmask = 0x1,
1547		.val_type = USB_MIXER_S16,
1548		.name = "Headphone A Mix Playback Volume"
1549	},
1550	{
1551		.unitid = 4,
1552		.control = 2,
1553		.cmask = 0x2,
1554		.val_type = USB_MIXER_S16,
1555		.name = "Headphone B Mix Playback Volume"
1556	},
1557
1558	{
1559		.unitid = 7,
1560		.control = 1,
1561		.cmask = 0x0,
1562		.val_type = USB_MIXER_INV_BOOLEAN,
1563		.name = "Output Playback Switch"
1564	},
1565	{
1566		.unitid = 7,
1567		.control = 2,
1568		.cmask = 0x1,
1569		.val_type = USB_MIXER_S16,
1570		.name = "Output A Playback Volume"
1571	},
1572	{
1573		.unitid = 7,
1574		.control = 2,
1575		.cmask = 0x2,
1576		.val_type = USB_MIXER_S16,
1577		.name = "Output B Playback Volume"
1578	},
1579
1580	{
1581		.unitid = 10,
1582		.control = 1,
1583		.cmask = 0x0,
1584		.val_type = USB_MIXER_INV_BOOLEAN,
1585		.name = "Input Capture Switch"
1586	},
1587	{
1588		.unitid = 10,
1589		.control = 2,
1590		.cmask = 0x1,
1591		.val_type = USB_MIXER_S16,
1592		.name = "Input A Capture Volume"
1593	},
1594	{
1595		.unitid = 10,
1596		.control = 2,
1597		.cmask = 0x2,
1598		.val_type = USB_MIXER_S16,
1599		.name = "Input B Capture Volume"
1600	},
1601
1602	{}
1603};
1604
1605/* Audio Advantage Micro II findings:
1606 *
1607 * Mapping spdif AES bits to vendor register.bit:
1608 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1609 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1610 * AES2: [0 0 0 0 0 0 0 0]
1611 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1612 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1613 *
1614 * power on values:
1615 * r2: 0x10
1616 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1617 *           just after it to 0xa0, presumably it disables/mutes some analog
1618 *           parts when there is no audio.)
1619 * r9: 0x28
1620 *
1621 * Optical transmitter on/off:
1622 * vendor register.bit: 9.1
1623 * 0 - on (0x28 register value)
1624 * 1 - off (0x2a register value)
1625 *
1626 */
1627static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1628	struct snd_ctl_elem_info *uinfo)
1629{
1630	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1631	uinfo->count = 1;
1632	return 0;
1633}
1634
1635static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1636	struct snd_ctl_elem_value *ucontrol)
1637{
1638	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1639	struct snd_usb_audio *chip = list->mixer->chip;
1640	int err;
1641	struct usb_interface *iface;
1642	struct usb_host_interface *alts;
1643	unsigned int ep;
1644	unsigned char data[3];
1645	int rate;
1646
1647	err = snd_usb_lock_shutdown(chip);
1648	if (err < 0)
1649		return err;
1650
1651	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1652	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1653	ucontrol->value.iec958.status[2] = 0x00;
1654
1655	/* use known values for that card: interface#1 altsetting#1 */
1656	iface = usb_ifnum_to_if(chip->dev, 1);
1657	if (!iface || iface->num_altsetting < 2) {
1658		err = -EINVAL;
1659		goto end;
1660	}
1661	alts = &iface->altsetting[1];
1662	if (get_iface_desc(alts)->bNumEndpoints < 1) {
1663		err = -EINVAL;
1664		goto end;
1665	}
1666	ep = get_endpoint(alts, 0)->bEndpointAddress;
1667
1668	err = snd_usb_ctl_msg(chip->dev,
1669			usb_rcvctrlpipe(chip->dev, 0),
1670			UAC_GET_CUR,
1671			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1672			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1673			ep,
1674			data,
1675			sizeof(data));
1676	if (err < 0)
1677		goto end;
1678
1679	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1680	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1681			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1682
1683	err = 0;
1684 end:
1685	snd_usb_unlock_shutdown(chip);
1686	return err;
1687}
1688
1689static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1690{
1691	struct snd_usb_audio *chip = list->mixer->chip;
1692	unsigned int pval = list->kctl->private_value;
1693	u8 reg;
1694	int err;
1695
1696	err = snd_usb_lock_shutdown(chip);
1697	if (err < 0)
1698		return err;
1699
1700	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1701	err = snd_usb_ctl_msg(chip->dev,
1702			usb_sndctrlpipe(chip->dev, 0),
1703			UAC_SET_CUR,
1704			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1705			reg,
1706			2,
1707			NULL,
1708			0);
1709	if (err < 0)
1710		goto end;
1711
1712	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1713	reg |= (pval >> 12) & 0x0f;
1714	err = snd_usb_ctl_msg(chip->dev,
1715			usb_sndctrlpipe(chip->dev, 0),
1716			UAC_SET_CUR,
1717			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1718			reg,
1719			3,
1720			NULL,
1721			0);
1722	if (err < 0)
1723		goto end;
1724
1725 end:
1726	snd_usb_unlock_shutdown(chip);
1727	return err;
1728}
1729
1730static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1731	struct snd_ctl_elem_value *ucontrol)
1732{
1733	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1734	unsigned int pval, pval_old;
1735	int err;
1736
1737	pval = pval_old = kcontrol->private_value;
1738	pval &= 0xfffff0f0;
1739	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1740	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1741
1742	pval &= 0xffff0fff;
1743	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1744
1745	/* The frequency bits in AES3 cannot be set via register access. */
1746
1747	/* Silently ignore any bits from the request that cannot be set. */
1748
1749	if (pval == pval_old)
1750		return 0;
1751
1752	kcontrol->private_value = pval;
1753	err = snd_microii_spdif_default_update(list);
1754	return err < 0 ? err : 1;
1755}
1756
1757static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1758	struct snd_ctl_elem_value *ucontrol)
1759{
1760	ucontrol->value.iec958.status[0] = 0x0f;
1761	ucontrol->value.iec958.status[1] = 0xff;
1762	ucontrol->value.iec958.status[2] = 0x00;
1763	ucontrol->value.iec958.status[3] = 0x00;
1764
1765	return 0;
1766}
1767
1768static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1769	struct snd_ctl_elem_value *ucontrol)
1770{
1771	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1772
1773	return 0;
1774}
1775
1776static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1777{
1778	struct snd_usb_audio *chip = list->mixer->chip;
1779	u8 reg = list->kctl->private_value;
1780	int err;
1781
1782	err = snd_usb_lock_shutdown(chip);
1783	if (err < 0)
1784		return err;
1785
1786	err = snd_usb_ctl_msg(chip->dev,
1787			usb_sndctrlpipe(chip->dev, 0),
1788			UAC_SET_CUR,
1789			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1790			reg,
1791			9,
1792			NULL,
1793			0);
1794
1795	snd_usb_unlock_shutdown(chip);
1796	return err;
1797}
1798
1799static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1800	struct snd_ctl_elem_value *ucontrol)
1801{
1802	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1803	u8 reg;
1804	int err;
1805
1806	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1807	if (reg != list->kctl->private_value)
1808		return 0;
1809
1810	kcontrol->private_value = reg;
1811	err = snd_microii_spdif_switch_update(list);
1812	return err < 0 ? err : 1;
1813}
1814
1815static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1816	{
1817		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1818		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1819		.info =     snd_microii_spdif_info,
1820		.get =      snd_microii_spdif_default_get,
1821		.put =      snd_microii_spdif_default_put,
1822		.private_value = 0x00000100UL,/* reset value */
1823	},
1824	{
1825		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1826		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1827		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1828		.info =     snd_microii_spdif_info,
1829		.get =      snd_microii_spdif_mask_get,
1830	},
1831	{
1832		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1833		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1834		.info =     snd_ctl_boolean_mono_info,
1835		.get =      snd_microii_spdif_switch_get,
1836		.put =      snd_microii_spdif_switch_put,
1837		.private_value = 0x00000028UL,/* reset value */
1838	}
1839};
1840
1841static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1842{
1843	int err, i;
1844	static const usb_mixer_elem_resume_func_t resume_funcs[] = {
1845		snd_microii_spdif_default_update,
1846		NULL,
1847		snd_microii_spdif_switch_update
1848	};
1849
1850	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1851		err = add_single_ctl_with_resume(mixer, 0,
1852						 resume_funcs[i],
1853						 &snd_microii_mixer_spdif[i],
1854						 NULL);
1855		if (err < 0)
1856			return err;
1857	}
1858
1859	return 0;
1860}
1861
1862/* Creative Sound Blaster E1 */
1863
1864static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
1865					  struct snd_ctl_elem_value *ucontrol)
1866{
1867	ucontrol->value.integer.value[0] = kcontrol->private_value;
1868	return 0;
1869}
1870
1871static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
1872					     unsigned char state)
1873{
1874	struct snd_usb_audio *chip = mixer->chip;
1875	int err;
1876	unsigned char buff[2];
1877
1878	buff[0] = 0x02;
1879	buff[1] = state ? 0x02 : 0x00;
1880
1881	err = snd_usb_lock_shutdown(chip);
1882	if (err < 0)
1883		return err;
1884	err = snd_usb_ctl_msg(chip->dev,
1885			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
1886			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
1887			0x0202, 3, buff, 2);
1888	snd_usb_unlock_shutdown(chip);
1889	return err;
1890}
1891
1892static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
1893					  struct snd_ctl_elem_value *ucontrol)
1894{
1895	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1896	unsigned char value = !!ucontrol->value.integer.value[0];
1897	int err;
1898
1899	if (kcontrol->private_value == value)
1900		return 0;
1901	kcontrol->private_value = value;
1902	err = snd_soundblaster_e1_switch_update(list->mixer, value);
1903	return err < 0 ? err : 1;
1904}
1905
1906static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
1907{
1908	return snd_soundblaster_e1_switch_update(list->mixer,
1909						 list->kctl->private_value);
1910}
1911
1912static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
1913					   struct snd_ctl_elem_info *uinfo)
1914{
1915	static const char *const texts[2] = {
1916		"Mic", "Aux"
1917	};
1918
1919	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1920}
1921
1922static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
1923	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1924	.name = "Input Source",
1925	.info = snd_soundblaster_e1_switch_info,
1926	.get = snd_soundblaster_e1_switch_get,
1927	.put = snd_soundblaster_e1_switch_put,
1928	.private_value = 0,
1929};
1930
1931static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
1932{
1933	return add_single_ctl_with_resume(mixer, 0,
1934					  snd_soundblaster_e1_switch_resume,
1935					  &snd_soundblaster_e1_input_switch,
1936					  NULL);
1937}
1938
1939/*
1940 * Dell WD15 dock jack detection
1941 *
1942 * The WD15 contains an ALC4020 USB audio controller and ALC3263 audio codec
1943 * from Realtek. It is a UAC 1 device, and UAC 1 does not support jack
1944 * detection. Instead, jack detection works by sending HD Audio commands over
1945 * vendor-type USB messages.
1946 */
1947
1948#define HDA_VERB_CMD(V, N, D) (((N) << 20) | ((V) << 8) | (D))
1949
1950#define REALTEK_HDA_VALUE 0x0038
1951
1952#define REALTEK_HDA_SET		62
1953#define REALTEK_MANUAL_MODE	72
1954#define REALTEK_HDA_GET_OUT	88
1955#define REALTEK_HDA_GET_IN	89
1956
1957#define REALTEK_AUDIO_FUNCTION_GROUP	0x01
1958#define REALTEK_LINE1			0x1a
1959#define REALTEK_VENDOR_REGISTERS	0x20
1960#define REALTEK_HP_OUT			0x21
1961
1962#define REALTEK_CBJ_CTRL2 0x50
1963
1964#define REALTEK_JACK_INTERRUPT_NODE 5
1965
1966#define REALTEK_MIC_FLAG 0x100
1967
1968static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd)
1969{
1970	struct usb_device *dev = chip->dev;
1971	__be32 buf = cpu_to_be32(cmd);
1972
1973	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET,
1974			       USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
1975			       REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1976}
1977
1978static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value)
1979{
1980	struct usb_device *dev = chip->dev;
1981	int err;
1982	__be32 buf = cpu_to_be32(cmd);
1983
1984	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT,
1985			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
1986			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1987	if (err < 0)
1988		return err;
1989	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), REALTEK_HDA_GET_IN,
1990			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_IN,
1991			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1992	if (err < 0)
1993		return err;
1994
1995	*value = be32_to_cpu(buf);
1996	return 0;
1997}
1998
1999static int realtek_ctl_connector_get(struct snd_kcontrol *kcontrol,
2000				     struct snd_ctl_elem_value *ucontrol)
2001{
2002	struct usb_mixer_elem_info *cval = kcontrol->private_data;
2003	struct snd_usb_audio *chip = cval->head.mixer->chip;
2004	u32 pv = kcontrol->private_value;
2005	u32 node_id = pv & 0xff;
2006	u32 sense;
2007	u32 cbj_ctrl2;
2008	bool presence;
2009	int err;
2010
2011	err = snd_usb_lock_shutdown(chip);
2012	if (err < 0)
2013		return err;
2014	err = realtek_hda_get(chip,
2015			      HDA_VERB_CMD(AC_VERB_GET_PIN_SENSE, node_id, 0),
2016			      &sense);
2017	if (err < 0)
2018		goto err;
2019	if (pv & REALTEK_MIC_FLAG) {
2020		err = realtek_hda_set(chip,
2021				      HDA_VERB_CMD(AC_VERB_SET_COEF_INDEX,
2022						   REALTEK_VENDOR_REGISTERS,
2023						   REALTEK_CBJ_CTRL2));
2024		if (err < 0)
2025			goto err;
2026		err = realtek_hda_get(chip,
2027				      HDA_VERB_CMD(AC_VERB_GET_PROC_COEF,
2028						   REALTEK_VENDOR_REGISTERS, 0),
2029				      &cbj_ctrl2);
2030		if (err < 0)
2031			goto err;
2032	}
2033err:
2034	snd_usb_unlock_shutdown(chip);
2035	if (err < 0)
2036		return err;
2037
2038	presence = sense & AC_PINSENSE_PRESENCE;
2039	if (pv & REALTEK_MIC_FLAG)
2040		presence = presence && (cbj_ctrl2 & 0x0070) == 0x0070;
2041	ucontrol->value.integer.value[0] = presence;
2042	return 0;
2043}
2044
2045static const struct snd_kcontrol_new realtek_connector_ctl_ro = {
2046	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
2047	.name = "", /* will be filled later manually */
2048	.access = SNDRV_CTL_ELEM_ACCESS_READ,
2049	.info = snd_ctl_boolean_mono_info,
2050	.get = realtek_ctl_connector_get,
2051};
2052
2053static int realtek_resume_jack(struct usb_mixer_elem_list *list)
2054{
2055	snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
2056		       &list->kctl->id);
2057	return 0;
2058}
2059
2060static int realtek_add_jack(struct usb_mixer_interface *mixer,
2061			    char *name, u32 val)
2062{
2063	struct usb_mixer_elem_info *cval;
2064	struct snd_kcontrol *kctl;
2065
2066	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
2067	if (!cval)
2068		return -ENOMEM;
2069	snd_usb_mixer_elem_init_std(&cval->head, mixer,
2070				    REALTEK_JACK_INTERRUPT_NODE);
2071	cval->head.resume = realtek_resume_jack;
2072	cval->val_type = USB_MIXER_BOOLEAN;
2073	cval->channels = 1;
2074	cval->min = 0;
2075	cval->max = 1;
2076	kctl = snd_ctl_new1(&realtek_connector_ctl_ro, cval);
2077	if (!kctl) {
2078		kfree(cval);
2079		return -ENOMEM;
2080	}
2081	kctl->private_value = val;
2082	strscpy(kctl->id.name, name, sizeof(kctl->id.name));
2083	kctl->private_free = snd_usb_mixer_elem_free;
2084	return snd_usb_mixer_add_control(&cval->head, kctl);
2085}
2086
2087static int dell_dock_mixer_create(struct usb_mixer_interface *mixer)
2088{
2089	int err;
2090	struct usb_device *dev = mixer->chip->dev;
2091
2092	/* Power down the audio codec to avoid loud pops in the next step. */
2093	realtek_hda_set(mixer->chip,
2094			HDA_VERB_CMD(AC_VERB_SET_POWER_STATE,
2095				     REALTEK_AUDIO_FUNCTION_GROUP,
2096				     AC_PWRST_D3));
2097
2098	/*
2099	 * Turn off 'manual mode' in case it was enabled. This removes the need
2100	 * to power cycle the dock after it was attached to a Windows machine.
2101	 */
2102	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_MANUAL_MODE,
2103			USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
2104			0, 0, NULL, 0);
2105
2106	err = realtek_add_jack(mixer, "Line Out Jack", REALTEK_LINE1);
2107	if (err < 0)
2108		return err;
2109	err = realtek_add_jack(mixer, "Headphone Jack", REALTEK_HP_OUT);
2110	if (err < 0)
2111		return err;
2112	err = realtek_add_jack(mixer, "Headset Mic Jack",
2113			       REALTEK_HP_OUT | REALTEK_MIC_FLAG);
2114	if (err < 0)
2115		return err;
2116	return 0;
2117}
2118
2119static void dell_dock_init_vol(struct usb_mixer_interface *mixer, int ch, int id)
2120{
2121	struct snd_usb_audio *chip = mixer->chip;
2122	u16 buf = 0;
2123
2124	snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
2125			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
2126			(UAC_FU_VOLUME << 8) | ch,
2127			snd_usb_ctrl_intf(mixer->hostif) | (id << 8),
2128			&buf, 2);
2129}
2130
2131static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)
2132{
2133	/* fix to 0dB playback volumes */
2134	dell_dock_init_vol(mixer, 1, 16);
2135	dell_dock_init_vol(mixer, 2, 16);
2136	dell_dock_init_vol(mixer, 1, 19);
2137	dell_dock_init_vol(mixer, 2, 19);
2138	return 0;
2139}
2140
2141/* RME Class Compliant device quirks */
2142
2143#define SND_RME_GET_STATUS1			23
2144#define SND_RME_GET_CURRENT_FREQ		17
2145#define SND_RME_CLK_SYSTEM_SHIFT		16
2146#define SND_RME_CLK_SYSTEM_MASK			0x1f
2147#define SND_RME_CLK_AES_SHIFT			8
2148#define SND_RME_CLK_SPDIF_SHIFT			12
2149#define SND_RME_CLK_AES_SPDIF_MASK		0xf
2150#define SND_RME_CLK_SYNC_SHIFT			6
2151#define SND_RME_CLK_SYNC_MASK			0x3
2152#define SND_RME_CLK_FREQMUL_SHIFT		18
2153#define SND_RME_CLK_FREQMUL_MASK		0x7
2154#define SND_RME_CLK_SYSTEM(x) \
2155	((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK)
2156#define SND_RME_CLK_AES(x) \
2157	((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2158#define SND_RME_CLK_SPDIF(x) \
2159	((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2160#define SND_RME_CLK_SYNC(x) \
2161	((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK)
2162#define SND_RME_CLK_FREQMUL(x) \
2163	((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK)
2164#define SND_RME_CLK_AES_LOCK			0x1
2165#define SND_RME_CLK_AES_SYNC			0x4
2166#define SND_RME_CLK_SPDIF_LOCK			0x2
2167#define SND_RME_CLK_SPDIF_SYNC			0x8
2168#define SND_RME_SPDIF_IF_SHIFT			4
2169#define SND_RME_SPDIF_FORMAT_SHIFT		5
2170#define SND_RME_BINARY_MASK			0x1
2171#define SND_RME_SPDIF_IF(x) \
2172	((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK)
2173#define SND_RME_SPDIF_FORMAT(x) \
2174	((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK)
2175
2176static const u32 snd_rme_rate_table[] = {
2177	32000, 44100, 48000, 50000,
2178	64000, 88200, 96000, 100000,
2179	128000, 176400, 192000, 200000,
2180	256000,	352800, 384000, 400000,
2181	512000, 705600, 768000, 800000
2182};
2183/* maximum number of items for AES and S/PDIF rates for above table */
2184#define SND_RME_RATE_IDX_AES_SPDIF_NUM		12
2185
2186enum snd_rme_domain {
2187	SND_RME_DOMAIN_SYSTEM,
2188	SND_RME_DOMAIN_AES,
2189	SND_RME_DOMAIN_SPDIF
2190};
2191
2192enum snd_rme_clock_status {
2193	SND_RME_CLOCK_NOLOCK,
2194	SND_RME_CLOCK_LOCK,
2195	SND_RME_CLOCK_SYNC
2196};
2197
2198static int snd_rme_read_value(struct snd_usb_audio *chip,
2199			      unsigned int item,
2200			      u32 *value)
2201{
2202	struct usb_device *dev = chip->dev;
2203	int err;
2204
2205	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
2206			      item,
2207			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2208			      0, 0,
2209			      value, sizeof(*value));
2210	if (err < 0)
2211		dev_err(&dev->dev,
2212			"unable to issue vendor read request %d (ret = %d)",
2213			item, err);
2214	return err;
2215}
2216
2217static int snd_rme_get_status1(struct snd_kcontrol *kcontrol,
2218			       u32 *status1)
2219{
2220	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2221	struct snd_usb_audio *chip = list->mixer->chip;
2222	int err;
2223
2224	err = snd_usb_lock_shutdown(chip);
2225	if (err < 0)
2226		return err;
2227	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1);
2228	snd_usb_unlock_shutdown(chip);
2229	return err;
2230}
2231
2232static int snd_rme_rate_get(struct snd_kcontrol *kcontrol,
2233			    struct snd_ctl_elem_value *ucontrol)
2234{
2235	u32 status1;
2236	u32 rate = 0;
2237	int idx;
2238	int err;
2239
2240	err = snd_rme_get_status1(kcontrol, &status1);
2241	if (err < 0)
2242		return err;
2243	switch (kcontrol->private_value) {
2244	case SND_RME_DOMAIN_SYSTEM:
2245		idx = SND_RME_CLK_SYSTEM(status1);
2246		if (idx < ARRAY_SIZE(snd_rme_rate_table))
2247			rate = snd_rme_rate_table[idx];
2248		break;
2249	case SND_RME_DOMAIN_AES:
2250		idx = SND_RME_CLK_AES(status1);
2251		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2252			rate = snd_rme_rate_table[idx];
2253		break;
2254	case SND_RME_DOMAIN_SPDIF:
2255		idx = SND_RME_CLK_SPDIF(status1);
2256		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2257			rate = snd_rme_rate_table[idx];
2258		break;
2259	default:
2260		return -EINVAL;
2261	}
2262	ucontrol->value.integer.value[0] = rate;
2263	return 0;
2264}
2265
2266static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol,
2267				  struct snd_ctl_elem_value *ucontrol)
2268{
2269	u32 status1;
2270	int idx = SND_RME_CLOCK_NOLOCK;
2271	int err;
2272
2273	err = snd_rme_get_status1(kcontrol, &status1);
2274	if (err < 0)
2275		return err;
2276	switch (kcontrol->private_value) {
2277	case SND_RME_DOMAIN_AES:  /* AES */
2278		if (status1 & SND_RME_CLK_AES_SYNC)
2279			idx = SND_RME_CLOCK_SYNC;
2280		else if (status1 & SND_RME_CLK_AES_LOCK)
2281			idx = SND_RME_CLOCK_LOCK;
2282		break;
2283	case SND_RME_DOMAIN_SPDIF:  /* SPDIF */
2284		if (status1 & SND_RME_CLK_SPDIF_SYNC)
2285			idx = SND_RME_CLOCK_SYNC;
2286		else if (status1 & SND_RME_CLK_SPDIF_LOCK)
2287			idx = SND_RME_CLOCK_LOCK;
2288		break;
2289	default:
2290		return -EINVAL;
2291	}
2292	ucontrol->value.enumerated.item[0] = idx;
2293	return 0;
2294}
2295
2296static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol,
2297				struct snd_ctl_elem_value *ucontrol)
2298{
2299	u32 status1;
2300	int err;
2301
2302	err = snd_rme_get_status1(kcontrol, &status1);
2303	if (err < 0)
2304		return err;
2305	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1);
2306	return 0;
2307}
2308
2309static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol,
2310				    struct snd_ctl_elem_value *ucontrol)
2311{
2312	u32 status1;
2313	int err;
2314
2315	err = snd_rme_get_status1(kcontrol, &status1);
2316	if (err < 0)
2317		return err;
2318	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1);
2319	return 0;
2320}
2321
2322static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol,
2323				   struct snd_ctl_elem_value *ucontrol)
2324{
2325	u32 status1;
2326	int err;
2327
2328	err = snd_rme_get_status1(kcontrol, &status1);
2329	if (err < 0)
2330		return err;
2331	ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1);
2332	return 0;
2333}
2334
2335static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol,
2336				    struct snd_ctl_elem_value *ucontrol)
2337{
2338	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2339	struct snd_usb_audio *chip = list->mixer->chip;
2340	u32 status1;
2341	const u64 num = 104857600000000ULL;
2342	u32 den;
2343	unsigned int freq;
2344	int err;
2345
2346	err = snd_usb_lock_shutdown(chip);
2347	if (err < 0)
2348		return err;
2349	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1);
2350	if (err < 0)
2351		goto end;
2352	err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den);
2353	if (err < 0)
2354		goto end;
2355	freq = (den == 0) ? 0 : div64_u64(num, den);
2356	freq <<= SND_RME_CLK_FREQMUL(status1);
2357	ucontrol->value.integer.value[0] = freq;
2358
2359end:
2360	snd_usb_unlock_shutdown(chip);
2361	return err;
2362}
2363
2364static int snd_rme_rate_info(struct snd_kcontrol *kcontrol,
2365			     struct snd_ctl_elem_info *uinfo)
2366{
2367	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2368	uinfo->count = 1;
2369	switch (kcontrol->private_value) {
2370	case SND_RME_DOMAIN_SYSTEM:
2371		uinfo->value.integer.min = 32000;
2372		uinfo->value.integer.max = 800000;
2373		break;
2374	case SND_RME_DOMAIN_AES:
2375	case SND_RME_DOMAIN_SPDIF:
2376	default:
2377		uinfo->value.integer.min = 0;
2378		uinfo->value.integer.max = 200000;
2379	}
2380	uinfo->value.integer.step = 0;
2381	return 0;
2382}
2383
2384static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol,
2385				   struct snd_ctl_elem_info *uinfo)
2386{
2387	static const char *const sync_states[] = {
2388		"No Lock", "Lock", "Sync"
2389	};
2390
2391	return snd_ctl_enum_info(uinfo, 1,
2392				 ARRAY_SIZE(sync_states), sync_states);
2393}
2394
2395static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol,
2396				 struct snd_ctl_elem_info *uinfo)
2397{
2398	static const char *const spdif_if[] = {
2399		"Coaxial", "Optical"
2400	};
2401
2402	return snd_ctl_enum_info(uinfo, 1,
2403				 ARRAY_SIZE(spdif_if), spdif_if);
2404}
2405
2406static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol,
2407				     struct snd_ctl_elem_info *uinfo)
2408{
2409	static const char *const optical_type[] = {
2410		"Consumer", "Professional"
2411	};
2412
2413	return snd_ctl_enum_info(uinfo, 1,
2414				 ARRAY_SIZE(optical_type), optical_type);
2415}
2416
2417static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol,
2418				    struct snd_ctl_elem_info *uinfo)
2419{
2420	static const char *const sync_sources[] = {
2421		"Internal", "AES", "SPDIF", "Internal"
2422	};
2423
2424	return snd_ctl_enum_info(uinfo, 1,
2425				 ARRAY_SIZE(sync_sources), sync_sources);
2426}
2427
2428static const struct snd_kcontrol_new snd_rme_controls[] = {
2429	{
2430		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2431		.name = "AES Rate",
2432		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2433		.info = snd_rme_rate_info,
2434		.get = snd_rme_rate_get,
2435		.private_value = SND_RME_DOMAIN_AES
2436	},
2437	{
2438		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2439		.name = "AES Sync",
2440		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2441		.info = snd_rme_sync_state_info,
2442		.get = snd_rme_sync_state_get,
2443		.private_value = SND_RME_DOMAIN_AES
2444	},
2445	{
2446		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2447		.name = "SPDIF Rate",
2448		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2449		.info = snd_rme_rate_info,
2450		.get = snd_rme_rate_get,
2451		.private_value = SND_RME_DOMAIN_SPDIF
2452	},
2453	{
2454		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2455		.name = "SPDIF Sync",
2456		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2457		.info = snd_rme_sync_state_info,
2458		.get = snd_rme_sync_state_get,
2459		.private_value = SND_RME_DOMAIN_SPDIF
2460	},
2461	{
2462		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2463		.name = "SPDIF Interface",
2464		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2465		.info = snd_rme_spdif_if_info,
2466		.get = snd_rme_spdif_if_get,
2467	},
2468	{
2469		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2470		.name = "SPDIF Format",
2471		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2472		.info = snd_rme_spdif_format_info,
2473		.get = snd_rme_spdif_format_get,
2474	},
2475	{
2476		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2477		.name = "Sync Source",
2478		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2479		.info = snd_rme_sync_source_info,
2480		.get = snd_rme_sync_source_get
2481	},
2482	{
2483		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2484		.name = "System Rate",
2485		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2486		.info = snd_rme_rate_info,
2487		.get = snd_rme_rate_get,
2488		.private_value = SND_RME_DOMAIN_SYSTEM
2489	},
2490	{
2491		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2492		.name = "Current Frequency",
2493		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2494		.info = snd_rme_rate_info,
2495		.get = snd_rme_current_freq_get
2496	}
2497};
2498
2499static int snd_rme_controls_create(struct usb_mixer_interface *mixer)
2500{
2501	int err, i;
2502
2503	for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) {
2504		err = add_single_ctl_with_resume(mixer, 0,
2505						 NULL,
2506						 &snd_rme_controls[i],
2507						 NULL);
2508		if (err < 0)
2509			return err;
2510	}
2511
2512	return 0;
2513}
2514
2515/*
2516 * RME Babyface Pro (FS)
2517 *
2518 * These devices exposes a couple of DSP functions via request to EP0.
2519 * Switches are available via control registers, while routing is controlled
2520 * by controlling the volume on each possible crossing point.
2521 * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with
2522 * 0dB being at dec. 32768.
2523 */
2524enum {
2525	SND_BBFPRO_CTL_REG1 = 0,
2526	SND_BBFPRO_CTL_REG2
2527};
2528
2529#define SND_BBFPRO_CTL_REG_MASK 1
2530#define SND_BBFPRO_CTL_IDX_MASK 0xff
2531#define SND_BBFPRO_CTL_IDX_SHIFT 1
2532#define SND_BBFPRO_CTL_VAL_MASK 1
2533#define SND_BBFPRO_CTL_VAL_SHIFT 9
2534#define SND_BBFPRO_CTL_REG1_CLK_MASTER 0
2535#define SND_BBFPRO_CTL_REG1_CLK_OPTICAL 1
2536#define SND_BBFPRO_CTL_REG1_SPDIF_PRO 7
2537#define SND_BBFPRO_CTL_REG1_SPDIF_EMPH 8
2538#define SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL 10
2539#define SND_BBFPRO_CTL_REG2_48V_AN1 0
2540#define SND_BBFPRO_CTL_REG2_48V_AN2 1
2541#define SND_BBFPRO_CTL_REG2_SENS_IN3 2
2542#define SND_BBFPRO_CTL_REG2_SENS_IN4 3
2543#define SND_BBFPRO_CTL_REG2_PAD_AN1 4
2544#define SND_BBFPRO_CTL_REG2_PAD_AN2 5
2545
2546#define SND_BBFPRO_MIXER_MAIN_OUT_CH_OFFSET 992
2547#define SND_BBFPRO_MIXER_IDX_MASK 0x3ff
2548#define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff
2549#define SND_BBFPRO_MIXER_VAL_SHIFT 9
2550#define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf
2551#define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB
2552
2553#define SND_BBFPRO_GAIN_CHANNEL_MASK 0x03
2554#define SND_BBFPRO_GAIN_CHANNEL_SHIFT 7
2555#define SND_BBFPRO_GAIN_VAL_MASK 0x7f
2556#define SND_BBFPRO_GAIN_VAL_MIN 0
2557#define SND_BBFPRO_GAIN_VAL_MIC_MAX 65
2558#define SND_BBFPRO_GAIN_VAL_LINE_MAX 18 // 9db in 0.5db incraments
2559
2560#define SND_BBFPRO_USBREQ_CTL_REG1 0x10
2561#define SND_BBFPRO_USBREQ_CTL_REG2 0x17
2562#define SND_BBFPRO_USBREQ_GAIN 0x1a
2563#define SND_BBFPRO_USBREQ_MIXER 0x12
2564
2565static int snd_bbfpro_ctl_update(struct usb_mixer_interface *mixer, u8 reg,
2566				 u8 index, u8 value)
2567{
2568	int err;
2569	u16 usb_req, usb_idx, usb_val;
2570	struct snd_usb_audio *chip = mixer->chip;
2571
2572	err = snd_usb_lock_shutdown(chip);
2573	if (err < 0)
2574		return err;
2575
2576	if (reg == SND_BBFPRO_CTL_REG1) {
2577		usb_req = SND_BBFPRO_USBREQ_CTL_REG1;
2578		if (index == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2579			usb_idx = 3;
2580			usb_val = value ? 3 : 0;
2581		} else {
2582			usb_idx = BIT(index);
2583			usb_val = value ? usb_idx : 0;
2584		}
2585	} else {
2586		usb_req = SND_BBFPRO_USBREQ_CTL_REG2;
2587		usb_idx = BIT(index);
2588		usb_val = value ? usb_idx : 0;
2589	}
2590
2591	err = snd_usb_ctl_msg(chip->dev,
2592			      usb_sndctrlpipe(chip->dev, 0), usb_req,
2593			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2594			      usb_val, usb_idx, NULL, 0);
2595
2596	snd_usb_unlock_shutdown(chip);
2597	return err;
2598}
2599
2600static int snd_bbfpro_ctl_get(struct snd_kcontrol *kcontrol,
2601			      struct snd_ctl_elem_value *ucontrol)
2602{
2603	u8 reg, idx, val;
2604	int pv;
2605
2606	pv = kcontrol->private_value;
2607	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2608	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2609	val = kcontrol->private_value >> SND_BBFPRO_CTL_VAL_SHIFT;
2610
2611	if ((reg == SND_BBFPRO_CTL_REG1 &&
2612	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2613	    (reg == SND_BBFPRO_CTL_REG2 &&
2614	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2615	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2616		ucontrol->value.enumerated.item[0] = val;
2617	} else {
2618		ucontrol->value.integer.value[0] = val;
2619	}
2620	return 0;
2621}
2622
2623static int snd_bbfpro_ctl_info(struct snd_kcontrol *kcontrol,
2624			       struct snd_ctl_elem_info *uinfo)
2625{
2626	u8 reg, idx;
2627	int pv;
2628
2629	pv = kcontrol->private_value;
2630	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2631	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2632
2633	if (reg == SND_BBFPRO_CTL_REG1 &&
2634	    idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2635		static const char * const texts[2] = {
2636			"AutoSync",
2637			"Internal"
2638		};
2639		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2640	} else if (reg == SND_BBFPRO_CTL_REG2 &&
2641		   (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2642		    idx == SND_BBFPRO_CTL_REG2_SENS_IN4)) {
2643		static const char * const texts[2] = {
2644			"-10dBV",
2645			"+4dBu"
2646		};
2647		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2648	}
2649
2650	uinfo->count = 1;
2651	uinfo->value.integer.min = 0;
2652	uinfo->value.integer.max = 1;
2653	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2654	return 0;
2655}
2656
2657static int snd_bbfpro_ctl_put(struct snd_kcontrol *kcontrol,
2658			      struct snd_ctl_elem_value *ucontrol)
2659{
2660	int err;
2661	u8 reg, idx;
2662	int old_value, pv, val;
2663
2664	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2665	struct usb_mixer_interface *mixer = list->mixer;
2666
2667	pv = kcontrol->private_value;
2668	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2669	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2670	old_value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2671
2672	if ((reg == SND_BBFPRO_CTL_REG1 &&
2673	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2674	    (reg == SND_BBFPRO_CTL_REG2 &&
2675	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2676	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2677		val = ucontrol->value.enumerated.item[0];
2678	} else {
2679		val = ucontrol->value.integer.value[0];
2680	}
2681
2682	if (val > 1)
2683		return -EINVAL;
2684
2685	if (val == old_value)
2686		return 0;
2687
2688	kcontrol->private_value = reg
2689		| ((idx & SND_BBFPRO_CTL_IDX_MASK) << SND_BBFPRO_CTL_IDX_SHIFT)
2690		| ((val & SND_BBFPRO_CTL_VAL_MASK) << SND_BBFPRO_CTL_VAL_SHIFT);
2691
2692	err = snd_bbfpro_ctl_update(mixer, reg, idx, val);
2693	return err < 0 ? err : 1;
2694}
2695
2696static int snd_bbfpro_ctl_resume(struct usb_mixer_elem_list *list)
2697{
2698	u8 reg, idx;
2699	int value, pv;
2700
2701	pv = list->kctl->private_value;
2702	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2703	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2704	value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2705
2706	return snd_bbfpro_ctl_update(list->mixer, reg, idx, value);
2707}
2708
2709static int snd_bbfpro_gain_update(struct usb_mixer_interface *mixer,
2710				  u8 channel, u8 gain)
2711{
2712	int err;
2713	struct snd_usb_audio *chip = mixer->chip;
2714
2715	if (channel < 2) {
2716		// XLR preamp: 3-bit fine, 5-bit coarse; special case >60
2717		if (gain < 60)
2718			gain = ((gain % 3) << 5) | (gain / 3);
2719		else
2720			gain = ((gain % 6) << 5) | (60 / 3);
2721	}
2722
2723	err = snd_usb_lock_shutdown(chip);
2724	if (err < 0)
2725		return err;
2726
2727	err = snd_usb_ctl_msg(chip->dev,
2728			      usb_sndctrlpipe(chip->dev, 0),
2729			      SND_BBFPRO_USBREQ_GAIN,
2730			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2731			      gain, channel, NULL, 0);
2732
2733	snd_usb_unlock_shutdown(chip);
2734	return err;
2735}
2736
2737static int snd_bbfpro_gain_get(struct snd_kcontrol *kcontrol,
2738			       struct snd_ctl_elem_value *ucontrol)
2739{
2740	int value = kcontrol->private_value & SND_BBFPRO_GAIN_VAL_MASK;
2741
2742	ucontrol->value.integer.value[0] = value;
2743	return 0;
2744}
2745
2746static int snd_bbfpro_gain_info(struct snd_kcontrol *kcontrol,
2747				struct snd_ctl_elem_info *uinfo)
2748{
2749	int pv, channel;
2750
2751	pv = kcontrol->private_value;
2752	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &
2753		SND_BBFPRO_GAIN_CHANNEL_MASK;
2754
2755	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2756	uinfo->count = 1;
2757	uinfo->value.integer.min = SND_BBFPRO_GAIN_VAL_MIN;
2758
2759	if (channel < 2)
2760		uinfo->value.integer.max = SND_BBFPRO_GAIN_VAL_MIC_MAX;
2761	else
2762		uinfo->value.integer.max = SND_BBFPRO_GAIN_VAL_LINE_MAX;
2763
2764	return 0;
2765}
2766
2767static int snd_bbfpro_gain_put(struct snd_kcontrol *kcontrol,
2768			       struct snd_ctl_elem_value *ucontrol)
2769{
2770	int pv, channel, old_value, value, err;
2771
2772	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2773	struct usb_mixer_interface *mixer = list->mixer;
2774
2775	pv = kcontrol->private_value;
2776	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &
2777		SND_BBFPRO_GAIN_CHANNEL_MASK;
2778	old_value = pv & SND_BBFPRO_GAIN_VAL_MASK;
2779	value = ucontrol->value.integer.value[0];
2780
2781	if (value < SND_BBFPRO_GAIN_VAL_MIN)
2782		return -EINVAL;
2783
2784	if (channel < 2) {
2785		if (value > SND_BBFPRO_GAIN_VAL_MIC_MAX)
2786			return -EINVAL;
2787	} else {
2788		if (value > SND_BBFPRO_GAIN_VAL_LINE_MAX)
2789			return -EINVAL;
2790	}
2791
2792	if (value == old_value)
2793		return 0;
2794
2795	err = snd_bbfpro_gain_update(mixer, channel, value);
2796	if (err < 0)
2797		return err;
2798
2799	kcontrol->private_value =
2800		(channel << SND_BBFPRO_GAIN_CHANNEL_SHIFT) | value;
2801	return 1;
2802}
2803
2804static int snd_bbfpro_gain_resume(struct usb_mixer_elem_list *list)
2805{
2806	int pv, channel, value;
2807	struct snd_kcontrol *kctl = list->kctl;
2808
2809	pv = kctl->private_value;
2810	channel = (pv >> SND_BBFPRO_GAIN_CHANNEL_SHIFT) &
2811		SND_BBFPRO_GAIN_CHANNEL_MASK;
2812	value = pv & SND_BBFPRO_GAIN_VAL_MASK;
2813
2814	return snd_bbfpro_gain_update(list->mixer, channel, value);
2815}
2816
2817static int snd_bbfpro_vol_update(struct usb_mixer_interface *mixer, u16 index,
2818				 u32 value)
2819{
2820	struct snd_usb_audio *chip = mixer->chip;
2821	int err;
2822	u16 idx;
2823	u16 usb_idx, usb_val;
2824	u32 v;
2825
2826	err = snd_usb_lock_shutdown(chip);
2827	if (err < 0)
2828		return err;
2829
2830	idx = index & SND_BBFPRO_MIXER_IDX_MASK;
2831	// 18 bit linear volume, split so 2 bits end up in index.
2832	v = value & SND_BBFPRO_MIXER_VAL_MASK;
2833	usb_idx = idx | (v & 0x3) << 14;
2834	usb_val = (v >> 2) & 0xffff;
2835
2836	err = snd_usb_ctl_msg(chip->dev,
2837			      usb_sndctrlpipe(chip->dev, 0),
2838			      SND_BBFPRO_USBREQ_MIXER,
2839			      USB_DIR_OUT | USB_TYPE_VENDOR |
2840			      USB_RECIP_DEVICE,
2841			      usb_val, usb_idx, NULL, 0);
2842
2843	snd_usb_unlock_shutdown(chip);
2844	return err;
2845}
2846
2847static int snd_bbfpro_vol_get(struct snd_kcontrol *kcontrol,
2848			      struct snd_ctl_elem_value *ucontrol)
2849{
2850	ucontrol->value.integer.value[0] =
2851		kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2852	return 0;
2853}
2854
2855static int snd_bbfpro_vol_info(struct snd_kcontrol *kcontrol,
2856			       struct snd_ctl_elem_info *uinfo)
2857{
2858	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2859	uinfo->count = 1;
2860	uinfo->value.integer.min = SND_BBFPRO_MIXER_VAL_MIN;
2861	uinfo->value.integer.max = SND_BBFPRO_MIXER_VAL_MAX;
2862	return 0;
2863}
2864
2865static int snd_bbfpro_vol_put(struct snd_kcontrol *kcontrol,
2866			      struct snd_ctl_elem_value *ucontrol)
2867{
2868	int err;
2869	u16 idx;
2870	u32 new_val, old_value, uvalue;
2871	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2872	struct usb_mixer_interface *mixer = list->mixer;
2873
2874	uvalue = ucontrol->value.integer.value[0];
2875	idx = kcontrol->private_value & SND_BBFPRO_MIXER_IDX_MASK;
2876	old_value = kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2877
2878	if (uvalue > SND_BBFPRO_MIXER_VAL_MAX)
2879		return -EINVAL;
2880
2881	if (uvalue == old_value)
2882		return 0;
2883
2884	new_val = uvalue & SND_BBFPRO_MIXER_VAL_MASK;
2885
2886	kcontrol->private_value = idx
2887		| (new_val << SND_BBFPRO_MIXER_VAL_SHIFT);
2888
2889	err = snd_bbfpro_vol_update(mixer, idx, new_val);
2890	return err < 0 ? err : 1;
2891}
2892
2893static int snd_bbfpro_vol_resume(struct usb_mixer_elem_list *list)
2894{
2895	int pv = list->kctl->private_value;
2896	u16 idx = pv & SND_BBFPRO_MIXER_IDX_MASK;
2897	u32 val = (pv >> SND_BBFPRO_MIXER_VAL_SHIFT)
2898		& SND_BBFPRO_MIXER_VAL_MASK;
2899	return snd_bbfpro_vol_update(list->mixer, idx, val);
2900}
2901
2902// Predfine elements
2903static const struct snd_kcontrol_new snd_bbfpro_ctl_control = {
2904	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2905	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2906	.index = 0,
2907	.info = snd_bbfpro_ctl_info,
2908	.get = snd_bbfpro_ctl_get,
2909	.put = snd_bbfpro_ctl_put
2910};
2911
2912static const struct snd_kcontrol_new snd_bbfpro_gain_control = {
2913	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2914	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2915	.index = 0,
2916	.info = snd_bbfpro_gain_info,
2917	.get = snd_bbfpro_gain_get,
2918	.put = snd_bbfpro_gain_put
2919};
2920
2921static const struct snd_kcontrol_new snd_bbfpro_vol_control = {
2922	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2923	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2924	.index = 0,
2925	.info = snd_bbfpro_vol_info,
2926	.get = snd_bbfpro_vol_get,
2927	.put = snd_bbfpro_vol_put
2928};
2929
2930static int snd_bbfpro_ctl_add(struct usb_mixer_interface *mixer, u8 reg,
2931			      u8 index, char *name)
2932{
2933	struct snd_kcontrol_new knew = snd_bbfpro_ctl_control;
2934
2935	knew.name = name;
2936	knew.private_value = (reg & SND_BBFPRO_CTL_REG_MASK)
2937		| ((index & SND_BBFPRO_CTL_IDX_MASK)
2938			<< SND_BBFPRO_CTL_IDX_SHIFT);
2939
2940	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_ctl_resume,
2941		&knew, NULL);
2942}
2943
2944static int snd_bbfpro_gain_add(struct usb_mixer_interface *mixer, u8 channel,
2945			       char *name)
2946{
2947	struct snd_kcontrol_new knew = snd_bbfpro_gain_control;
2948
2949	knew.name = name;
2950	knew.private_value = channel << SND_BBFPRO_GAIN_CHANNEL_SHIFT;
2951
2952	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_gain_resume,
2953		&knew, NULL);
2954}
2955
2956static int snd_bbfpro_vol_add(struct usb_mixer_interface *mixer, u16 index,
2957			      char *name)
2958{
2959	struct snd_kcontrol_new knew = snd_bbfpro_vol_control;
2960
2961	knew.name = name;
2962	knew.private_value = index & SND_BBFPRO_MIXER_IDX_MASK;
2963
2964	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_vol_resume,
2965		&knew, NULL);
2966}
2967
2968static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)
2969{
2970	int err, i, o;
2971	char name[48];
2972
2973	static const char * const input[] = {
2974		"AN1", "AN2", "IN3", "IN4", "AS1", "AS2", "ADAT3",
2975		"ADAT4", "ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2976
2977	static const char * const output[] = {
2978		"AN1", "AN2", "PH3", "PH4", "AS1", "AS2", "ADAT3", "ADAT4",
2979		"ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2980
2981	for (o = 0 ; o < 12 ; ++o) {
2982		for (i = 0 ; i < 12 ; ++i) {
2983			// Line routing
2984			snprintf(name, sizeof(name),
2985				 "%s-%s-%s Playback Volume",
2986				 (i < 2 ? "Mic" : "Line"),
2987				 input[i], output[o]);
2988			err = snd_bbfpro_vol_add(mixer, (26 * o + i), name);
2989			if (err < 0)
2990				return err;
2991
2992			// PCM routing... yes, it is output remapping
2993			snprintf(name, sizeof(name),
2994				 "PCM-%s-%s Playback Volume",
2995				 output[i], output[o]);
2996			err = snd_bbfpro_vol_add(mixer, (26 * o + 12 + i),
2997						 name);
2998			if (err < 0)
2999				return err;
3000		}
3001	}
3002
3003	// Main out volume
3004	for (i = 0 ; i < 12 ; ++i) {
3005		snprintf(name, sizeof(name), "Main-Out %s", output[i]);
3006		// Main outs are offset to 992
3007		err = snd_bbfpro_vol_add(mixer,
3008					 i + SND_BBFPRO_MIXER_MAIN_OUT_CH_OFFSET,
3009					 name);
3010		if (err < 0)
3011			return err;
3012	}
3013
3014	// Input gain
3015	for (i = 0 ; i < 4 ; ++i) {
3016		if (i < 2)
3017			snprintf(name, sizeof(name), "Mic-%s Gain", input[i]);
3018		else
3019			snprintf(name, sizeof(name), "Line-%s Gain", input[i]);
3020
3021		err = snd_bbfpro_gain_add(mixer, i, name);
3022		if (err < 0)
3023			return err;
3024	}
3025
3026	// Control Reg 1
3027	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3028				 SND_BBFPRO_CTL_REG1_CLK_OPTICAL,
3029				 "Sample Clock Source");
3030	if (err < 0)
3031		return err;
3032
3033	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3034				 SND_BBFPRO_CTL_REG1_SPDIF_PRO,
3035				 "IEC958 Pro Mask");
3036	if (err < 0)
3037		return err;
3038
3039	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3040				 SND_BBFPRO_CTL_REG1_SPDIF_EMPH,
3041				 "IEC958 Emphasis");
3042	if (err < 0)
3043		return err;
3044
3045	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
3046				 SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL,
3047				 "IEC958 Switch");
3048	if (err < 0)
3049		return err;
3050
3051	// Control Reg 2
3052	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3053				 SND_BBFPRO_CTL_REG2_48V_AN1,
3054				 "Mic-AN1 48V");
3055	if (err < 0)
3056		return err;
3057
3058	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3059				 SND_BBFPRO_CTL_REG2_48V_AN2,
3060				 "Mic-AN2 48V");
3061	if (err < 0)
3062		return err;
3063
3064	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3065				 SND_BBFPRO_CTL_REG2_SENS_IN3,
3066				 "Line-IN3 Sens.");
3067	if (err < 0)
3068		return err;
3069
3070	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3071				 SND_BBFPRO_CTL_REG2_SENS_IN4,
3072				 "Line-IN4 Sens.");
3073	if (err < 0)
3074		return err;
3075
3076	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3077				 SND_BBFPRO_CTL_REG2_PAD_AN1,
3078				 "Mic-AN1 PAD");
3079	if (err < 0)
3080		return err;
3081
3082	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
3083				 SND_BBFPRO_CTL_REG2_PAD_AN2,
3084				 "Mic-AN2 PAD");
3085	if (err < 0)
3086		return err;
3087
3088	return 0;
3089}
3090
3091/*
3092 * RME Digiface USB
3093 */
3094
3095#define RME_DIGIFACE_READ_STATUS 17
3096#define RME_DIGIFACE_STATUS_REG0L 0
3097#define RME_DIGIFACE_STATUS_REG0H 1
3098#define RME_DIGIFACE_STATUS_REG1L 2
3099#define RME_DIGIFACE_STATUS_REG1H 3
3100#define RME_DIGIFACE_STATUS_REG2L 4
3101#define RME_DIGIFACE_STATUS_REG2H 5
3102#define RME_DIGIFACE_STATUS_REG3L 6
3103#define RME_DIGIFACE_STATUS_REG3H 7
3104
3105#define RME_DIGIFACE_CTL_REG1 16
3106#define RME_DIGIFACE_CTL_REG2 18
3107
3108/* Reg is overloaded, 0-7 for status halfwords or 16 or 18 for control registers */
3109#define RME_DIGIFACE_REGISTER(reg, mask) (((reg) << 16) | (mask))
3110#define RME_DIGIFACE_INVERT BIT(31)
3111
3112/* Nonconst helpers */
3113#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
3114#define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))
3115
3116static int snd_rme_digiface_write_reg(struct snd_kcontrol *kcontrol, int item, u16 mask, u16 val)
3117{
3118	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
3119	struct snd_usb_audio *chip = list->mixer->chip;
3120	struct usb_device *dev = chip->dev;
3121	int err;
3122
3123	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
3124			      item,
3125			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
3126			      val, mask, NULL, 0);
3127	if (err < 0)
3128		dev_err(&dev->dev,
3129			"unable to issue control set request %d (ret = %d)",
3130			item, err);
3131	return err;
3132}
3133
3134static int snd_rme_digiface_read_status(struct snd_kcontrol *kcontrol, u32 status[4])
3135{
3136	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
3137	struct snd_usb_audio *chip = list->mixer->chip;
3138	struct usb_device *dev = chip->dev;
3139	__le32 buf[4];
3140	int err;
3141
3142	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
3143			      RME_DIGIFACE_READ_STATUS,
3144			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
3145			      0, 0,
3146			      buf, sizeof(buf));
3147	if (err < 0) {
3148		dev_err(&dev->dev,
3149			"unable to issue status read request (ret = %d)",
3150			err);
3151	} else {
3152		for (int i = 0; i < ARRAY_SIZE(buf); i++)
3153			status[i] = le32_to_cpu(buf[i]);
3154	}
3155	return err;
3156}
3157
3158static int snd_rme_digiface_get_status_val(struct snd_kcontrol *kcontrol)
3159{
3160	int err;
3161	u32 status[4];
3162	bool invert = kcontrol->private_value & RME_DIGIFACE_INVERT;
3163	u8 reg = (kcontrol->private_value >> 16) & 0xff;
3164	u16 mask = kcontrol->private_value & 0xffff;
3165	u16 val;
3166
3167	err = snd_rme_digiface_read_status(kcontrol, status);
3168	if (err < 0)
3169		return err;
3170
3171	switch (reg) {
3172	/* Status register halfwords */
3173	case RME_DIGIFACE_STATUS_REG0L ... RME_DIGIFACE_STATUS_REG3H:
3174		break;
3175	case RME_DIGIFACE_CTL_REG1: /* Control register 1, present in halfword 3L */
3176		reg = RME_DIGIFACE_STATUS_REG3L;
3177		break;
3178	case RME_DIGIFACE_CTL_REG2: /* Control register 2, present in halfword 3H */
3179		reg = RME_DIGIFACE_STATUS_REG3H;
3180		break;
3181	default:
3182		return -EINVAL;
3183	}
3184
3185	if (reg & 1)
3186		val = status[reg >> 1] >> 16;
3187	else
3188		val = status[reg >> 1] & 0xffff;
3189
3190	if (invert)
3191		val ^= mask;
3192
3193	return field_get(mask, val);
3194}
3195
3196static int snd_rme_digiface_rate_get(struct snd_kcontrol *kcontrol,
3197				     struct snd_ctl_elem_value *ucontrol)
3198{
3199	int freq = snd_rme_digiface_get_status_val(kcontrol);
3200
3201	if (freq < 0)
3202		return freq;
3203	if (freq >= ARRAY_SIZE(snd_rme_rate_table))
3204		return -EIO;
3205
3206	ucontrol->value.integer.value[0] = snd_rme_rate_table[freq];
3207	return 0;
3208}
3209
3210static int snd_rme_digiface_enum_get(struct snd_kcontrol *kcontrol,
3211				     struct snd_ctl_elem_value *ucontrol)
3212{
3213	int val = snd_rme_digiface_get_status_val(kcontrol);
3214
3215	if (val < 0)
3216		return val;
3217
3218	ucontrol->value.enumerated.item[0] = val;
3219	return 0;
3220}
3221
3222static int snd_rme_digiface_enum_put(struct snd_kcontrol *kcontrol,
3223				     struct snd_ctl_elem_value *ucontrol)
3224{
3225	bool invert = kcontrol->private_value & RME_DIGIFACE_INVERT;
3226	u8 reg = (kcontrol->private_value >> 16) & 0xff;
3227	u16 mask = kcontrol->private_value & 0xffff;
3228	u16 val = field_prep(mask, ucontrol->value.enumerated.item[0]);
3229
3230	if (invert)
3231		val ^= mask;
3232
3233	return snd_rme_digiface_write_reg(kcontrol, reg, mask, val);
3234}
3235
3236static int snd_rme_digiface_current_sync_get(struct snd_kcontrol *kcontrol,
3237				     struct snd_ctl_elem_value *ucontrol)
3238{
3239	int ret = snd_rme_digiface_enum_get(kcontrol, ucontrol);
3240
3241	/* 7 means internal for current sync */
3242	if (ucontrol->value.enumerated.item[0] == 7)
3243		ucontrol->value.enumerated.item[0] = 0;
3244
3245	return ret;
3246}
3247
3248static int snd_rme_digiface_sync_state_get(struct snd_kcontrol *kcontrol,
3249					   struct snd_ctl_elem_value *ucontrol)
3250{
3251	u32 status[4];
3252	int err;
3253	bool valid, sync;
3254
3255	err = snd_rme_digiface_read_status(kcontrol, status);
3256	if (err < 0)
3257		return err;
3258
3259	valid = status[0] & BIT(kcontrol->private_value);
3260	sync = status[0] & BIT(5 + kcontrol->private_value);
3261
3262	if (!valid)
3263		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_NOLOCK;
3264	else if (!sync)
3265		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_LOCK;
3266	else
3267		ucontrol->value.enumerated.item[0] = SND_RME_CLOCK_SYNC;
3268	return 0;
3269}
3270
3271
3272static int snd_rme_digiface_format_info(struct snd_kcontrol *kcontrol,
3273					struct snd_ctl_elem_info *uinfo)
3274{
3275	static const char *const format[] = {
3276		"ADAT", "S/PDIF"
3277	};
3278
3279	return snd_ctl_enum_info(uinfo, 1,
3280				 ARRAY_SIZE(format), format);
3281}
3282
3283
3284static int snd_rme_digiface_sync_source_info(struct snd_kcontrol *kcontrol,
3285					     struct snd_ctl_elem_info *uinfo)
3286{
3287	static const char *const sync_sources[] = {
3288		"Internal", "Input 1", "Input 2", "Input 3", "Input 4"
3289	};
3290
3291	return snd_ctl_enum_info(uinfo, 1,
3292				 ARRAY_SIZE(sync_sources), sync_sources);
3293}
3294
3295static int snd_rme_digiface_rate_info(struct snd_kcontrol *kcontrol,
3296				      struct snd_ctl_elem_info *uinfo)
3297{
3298	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3299	uinfo->count = 1;
3300	uinfo->value.integer.min = 0;
3301	uinfo->value.integer.max = 200000;
3302	uinfo->value.integer.step = 0;
3303	return 0;
3304}
3305
3306static const struct snd_kcontrol_new snd_rme_digiface_controls[] = {
3307	{
3308		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3309		.name = "Input 1 Sync",
3310		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3311		.info = snd_rme_sync_state_info,
3312		.get = snd_rme_digiface_sync_state_get,
3313		.private_value = 0,
3314	},
3315	{
3316		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3317		.name = "Input 1 Format",
3318		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3319		.info = snd_rme_digiface_format_info,
3320		.get = snd_rme_digiface_enum_get,
3321		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0H, BIT(0)) |
3322			RME_DIGIFACE_INVERT,
3323	},
3324	{
3325		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3326		.name = "Input 1 Rate",
3327		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3328		.info = snd_rme_digiface_rate_info,
3329		.get = snd_rme_digiface_rate_get,
3330		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(3, 0)),
3331	},
3332	{
3333		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3334		.name = "Input 2 Sync",
3335		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3336		.info = snd_rme_sync_state_info,
3337		.get = snd_rme_digiface_sync_state_get,
3338		.private_value = 1,
3339	},
3340	{
3341		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3342		.name = "Input 2 Format",
3343		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3344		.info = snd_rme_digiface_format_info,
3345		.get = snd_rme_digiface_enum_get,
3346		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, BIT(13)) |
3347			RME_DIGIFACE_INVERT,
3348	},
3349	{
3350		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3351		.name = "Input 2 Rate",
3352		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3353		.info = snd_rme_digiface_rate_info,
3354		.get = snd_rme_digiface_rate_get,
3355		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(7, 4)),
3356	},
3357	{
3358		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3359		.name = "Input 3 Sync",
3360		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3361		.info = snd_rme_sync_state_info,
3362		.get = snd_rme_digiface_sync_state_get,
3363		.private_value = 2,
3364	},
3365	{
3366		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3367		.name = "Input 3 Format",
3368		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3369		.info = snd_rme_digiface_format_info,
3370		.get = snd_rme_digiface_enum_get,
3371		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, BIT(14)) |
3372			RME_DIGIFACE_INVERT,
3373	},
3374	{
3375		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3376		.name = "Input 3 Rate",
3377		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3378		.info = snd_rme_digiface_rate_info,
3379		.get = snd_rme_digiface_rate_get,
3380		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(11, 8)),
3381	},
3382	{
3383		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3384		.name = "Input 4 Sync",
3385		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3386		.info = snd_rme_sync_state_info,
3387		.get = snd_rme_digiface_sync_state_get,
3388		.private_value = 3,
3389	},
3390	{
3391		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3392		.name = "Input 4 Format",
3393		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3394		.info = snd_rme_digiface_format_info,
3395		.get = snd_rme_digiface_enum_get,
3396		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, GENMASK(15, 12)) |
3397			RME_DIGIFACE_INVERT,
3398	},
3399	{
3400		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3401		.name = "Input 4 Rate",
3402		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3403		.info = snd_rme_digiface_rate_info,
3404		.get = snd_rme_digiface_rate_get,
3405		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1L, GENMASK(3, 0)),
3406	},
3407	{
3408		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3409		.name = "Output 1 Format",
3410		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3411		.info = snd_rme_digiface_format_info,
3412		.get = snd_rme_digiface_enum_get,
3413		.put = snd_rme_digiface_enum_put,
3414		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(0)),
3415	},
3416	{
3417		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3418		.name = "Output 2 Format",
3419		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3420		.info = snd_rme_digiface_format_info,
3421		.get = snd_rme_digiface_enum_get,
3422		.put = snd_rme_digiface_enum_put,
3423		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(1)),
3424	},
3425	{
3426		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3427		.name = "Output 3 Format",
3428		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3429		.info = snd_rme_digiface_format_info,
3430		.get = snd_rme_digiface_enum_get,
3431		.put = snd_rme_digiface_enum_put,
3432		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(3)),
3433	},
3434	{
3435		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3436		.name = "Output 4 Format",
3437		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3438		.info = snd_rme_digiface_format_info,
3439		.get = snd_rme_digiface_enum_get,
3440		.put = snd_rme_digiface_enum_put,
3441		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG2, BIT(4)),
3442	},
3443	{
3444		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3445		.name = "Sync Source",
3446		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3447		.info = snd_rme_digiface_sync_source_info,
3448		.get = snd_rme_digiface_enum_get,
3449		.put = snd_rme_digiface_enum_put,
3450		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG1, GENMASK(2, 0)),
3451	},
3452	{
3453		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3454		.name = "Current Sync Source",
3455		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3456		.info = snd_rme_digiface_sync_source_info,
3457		.get = snd_rme_digiface_current_sync_get,
3458		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG0L, GENMASK(12, 10)),
3459	},
3460	{
3461		/*
3462		 * This is writeable, but it is only set by the PCM rate.
3463		 * Mixer apps currently need to drive the mixer using raw USB requests,
3464		 * so they can also change this that way to configure the rate for
3465		 * stand-alone operation when the PCM is closed.
3466		 */
3467		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3468		.name = "System Rate",
3469		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3470		.info = snd_rme_rate_info,
3471		.get = snd_rme_digiface_rate_get,
3472		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_CTL_REG1, GENMASK(6, 3)),
3473	},
3474	{
3475		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3476		.name = "Current Rate",
3477		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
3478		.info = snd_rme_rate_info,
3479		.get = snd_rme_digiface_rate_get,
3480		.private_value = RME_DIGIFACE_REGISTER(RME_DIGIFACE_STATUS_REG1H, GENMASK(7, 4)),
3481	}
3482};
3483
3484static int snd_rme_digiface_controls_create(struct usb_mixer_interface *mixer)
3485{
3486	int err, i;
3487
3488	for (i = 0; i < ARRAY_SIZE(snd_rme_digiface_controls); ++i) {
3489		err = add_single_ctl_with_resume(mixer, 0,
3490						 NULL,
3491						 &snd_rme_digiface_controls[i],
3492						 NULL);
3493		if (err < 0)
3494			return err;
3495	}
3496
3497	return 0;
3498}
3499
3500/*
3501 * Pioneer DJ / AlphaTheta DJM Mixers
3502 *
3503 * These devices generally have options for soft-switching the playback and
3504 * capture sources in addition to the recording level. Although different
3505 * devices have different configurations, there seems to be canonical values
3506 * for specific capture/playback types:  See the definitions of these below.
3507 *
3508 * The wValue is masked with the stereo channel number. e.g. Setting Ch2 to
3509 * capture phono would be 0x0203. Capture, playback and capture level have
3510 * different wIndexes.
3511 */
3512
3513// Capture types
3514#define SND_DJM_CAP_LINE	0x00
3515#define SND_DJM_CAP_CDLINE	0x01
3516#define SND_DJM_CAP_DIGITAL	0x02
3517#define SND_DJM_CAP_PHONO	0x03
3518#define SND_DJM_CAP_PREFADER	0x05
3519#define SND_DJM_CAP_PFADER	0x06
3520#define SND_DJM_CAP_XFADERA	0x07
3521#define SND_DJM_CAP_XFADERB	0x08
3522#define SND_DJM_CAP_MIC		0x09
3523#define SND_DJM_CAP_AUX		0x0d
3524#define SND_DJM_CAP_RECOUT	0x0a
3525#define SND_DJM_CAP_RECOUT_NOMIC	0x0e
3526#define SND_DJM_CAP_NONE	0x0f
3527#define SND_DJM_CAP_CH1PFADER	0x11
3528#define SND_DJM_CAP_CH2PFADER	0x12
3529#define SND_DJM_CAP_CH3PFADER	0x13
3530#define SND_DJM_CAP_CH4PFADER	0x14
3531#define SND_DJM_CAP_CH1PREFADER	0x31
3532#define SND_DJM_CAP_CH2PREFADER	0x32
3533#define SND_DJM_CAP_CH3PREFADER	0x33
3534#define SND_DJM_CAP_CH4PREFADER	0x34
3535
3536// Playback types
3537#define SND_DJM_PB_CH1		0x00
3538#define SND_DJM_PB_CH2		0x01
3539#define SND_DJM_PB_AUX		0x04
3540
3541#define SND_DJM_WINDEX_CAP	0x8002
3542#define SND_DJM_WINDEX_CAPLVL	0x8003
3543#define SND_DJM_WINDEX_PB	0x8016
3544
3545// kcontrol->private_value layout
3546#define SND_DJM_VALUE_MASK	0x0000ffff
3547#define SND_DJM_GROUP_MASK	0x00ff0000
3548#define SND_DJM_DEVICE_MASK	0xff000000
3549#define SND_DJM_GROUP_SHIFT	16
3550#define SND_DJM_DEVICE_SHIFT	24
3551
3552// device table index
3553// used for the snd_djm_devices table, so please update accordingly
3554#define SND_DJM_250MK2_IDX	0x0
3555#define SND_DJM_750_IDX		0x1
3556#define SND_DJM_850_IDX		0x2
3557#define SND_DJM_900NXS2_IDX	0x3
3558#define SND_DJM_750MK2_IDX	0x4
3559#define SND_DJM_450_IDX		0x5
3560#define SND_DJM_A9_IDX		0x6
3561
3562
3563#define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \
3564	.name = _name, \
3565	.options = snd_djm_opts_##suffix, \
3566	.noptions = ARRAY_SIZE(snd_djm_opts_##suffix), \
3567	.default_value = _default_value, \
3568	.wIndex = _windex }
3569
3570#define SND_DJM_DEVICE(suffix) { \
3571	.controls = snd_djm_ctls_##suffix, \
3572	.ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) }
3573
3574
3575struct snd_djm_device {
3576	const char *name;
3577	const struct snd_djm_ctl *controls;
3578	size_t ncontrols;
3579};
3580
3581struct snd_djm_ctl {
3582	const char *name;
3583	const u16 *options;
3584	size_t noptions;
3585	u16 default_value;
3586	u16 wIndex;
3587};
3588
3589static const char *snd_djm_get_label_caplevel_common(u16 wvalue)
3590{
3591	switch (wvalue) {
3592	case 0x0000:	return "-19dB";
3593	case 0x0100:	return "-15dB";
3594	case 0x0200:	return "-10dB";
3595	case 0x0300:	return "-5dB";
3596	default:	return NULL;
3597	}
3598};
3599
3600// The DJM-A9 has different capture levels than other, older models
3601static const char *snd_djm_get_label_caplevel_a9(u16 wvalue)
3602{
3603	switch (wvalue) {
3604	case 0x0000:	return "+15dB";
3605	case 0x0100:	return "+12dB";
3606	case 0x0200:	return "+9dB";
3607	case 0x0300:	return "+6dB";
3608	case 0x0400:	return "+3dB";
3609	case 0x0500:	return "0dB";
3610	default:	return NULL;
3611	}
3612};
3613
3614static const char *snd_djm_get_label_cap_common(u16 wvalue)
3615{
3616	switch (wvalue & 0x00ff) {
3617	case SND_DJM_CAP_LINE:		return "Control Tone LINE";
3618	case SND_DJM_CAP_CDLINE:	return "Control Tone CD/LINE";
3619	case SND_DJM_CAP_DIGITAL:	return "Control Tone DIGITAL";
3620	case SND_DJM_CAP_PHONO:		return "Control Tone PHONO";
3621	case SND_DJM_CAP_PFADER:	return "Post Fader";
3622	case SND_DJM_CAP_XFADERA:	return "Cross Fader A";
3623	case SND_DJM_CAP_XFADERB:	return "Cross Fader B";
3624	case SND_DJM_CAP_MIC:		return "Mic";
3625	case SND_DJM_CAP_RECOUT:	return "Rec Out";
3626	case SND_DJM_CAP_RECOUT_NOMIC:	return "Rec Out without Mic";
3627	case SND_DJM_CAP_AUX:		return "Aux";
3628	case SND_DJM_CAP_NONE:		return "None";
3629	case SND_DJM_CAP_CH1PREFADER:	return "Pre Fader Ch1";
3630	case SND_DJM_CAP_CH2PREFADER:	return "Pre Fader Ch2";
3631	case SND_DJM_CAP_CH3PREFADER:	return "Pre Fader Ch3";
3632	case SND_DJM_CAP_CH4PREFADER:	return "Pre Fader Ch4";
3633	case SND_DJM_CAP_CH1PFADER:	return "Post Fader Ch1";
3634	case SND_DJM_CAP_CH2PFADER:	return "Post Fader Ch2";
3635	case SND_DJM_CAP_CH3PFADER:	return "Post Fader Ch3";
3636	case SND_DJM_CAP_CH4PFADER:	return "Post Fader Ch4";
3637	default:			return NULL;
3638	}
3639};
3640
3641// The DJM-850 has different values for CD/LINE and LINE capture
3642// control options than the other DJM declared in this file.
3643static const char *snd_djm_get_label_cap_850(u16 wvalue)
3644{
3645	switch (wvalue & 0x00ff) {
3646	case 0x00:		return "Control Tone CD/LINE";
3647	case 0x01:		return "Control Tone LINE";
3648	default:		return snd_djm_get_label_cap_common(wvalue);
3649	}
3650};
3651
3652static const char *snd_djm_get_label_caplevel(u8 device_idx, u16 wvalue)
3653{
3654	switch (device_idx) {
3655	case SND_DJM_A9_IDX:		return snd_djm_get_label_caplevel_a9(wvalue);
3656	default:			return snd_djm_get_label_caplevel_common(wvalue);
3657	}
3658};
3659
3660static const char *snd_djm_get_label_cap(u8 device_idx, u16 wvalue)
3661{
3662	switch (device_idx) {
3663	case SND_DJM_850_IDX:		return snd_djm_get_label_cap_850(wvalue);
3664	default:			return snd_djm_get_label_cap_common(wvalue);
3665	}
3666};
3667
3668static const char *snd_djm_get_label_pb(u16 wvalue)
3669{
3670	switch (wvalue & 0x00ff) {
3671	case SND_DJM_PB_CH1:	return "Ch1";
3672	case SND_DJM_PB_CH2:	return "Ch2";
3673	case SND_DJM_PB_AUX:	return "Aux";
3674	default:		return NULL;
3675	}
3676};
3677
3678static const char *snd_djm_get_label(u8 device_idx, u16 wvalue, u16 windex)
3679{
3680	switch (windex) {
3681	case SND_DJM_WINDEX_CAPLVL:	return snd_djm_get_label_caplevel(device_idx, wvalue);
3682	case SND_DJM_WINDEX_CAP:	return snd_djm_get_label_cap(device_idx, wvalue);
3683	case SND_DJM_WINDEX_PB:		return snd_djm_get_label_pb(wvalue);
3684	default:			return NULL;
3685	}
3686};
3687
3688// common DJM capture level option values
3689static const u16 snd_djm_opts_cap_level[] = {
3690	0x0000, 0x0100, 0x0200, 0x0300, 0x400, 0x500 };
3691
3692
3693// DJM-250MK2
3694static const u16 snd_djm_opts_250mk2_cap1[] = {
3695	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
3696
3697static const u16 snd_djm_opts_250mk2_cap2[] = {
3698	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
3699
3700static const u16 snd_djm_opts_250mk2_cap3[] = {
3701	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
3702
3703static const u16 snd_djm_opts_250mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
3704static const u16 snd_djm_opts_250mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
3705static const u16 snd_djm_opts_250mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
3706
3707static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = {
3708	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3709	SND_DJM_CTL("Ch1 Input",   250mk2_cap1, 2, SND_DJM_WINDEX_CAP),
3710	SND_DJM_CTL("Ch2 Input",   250mk2_cap2, 2, SND_DJM_WINDEX_CAP),
3711	SND_DJM_CTL("Ch3 Input",   250mk2_cap3, 0, SND_DJM_WINDEX_CAP),
3712	SND_DJM_CTL("Ch1 Output",   250mk2_pb1, 0, SND_DJM_WINDEX_PB),
3713	SND_DJM_CTL("Ch2 Output",   250mk2_pb2, 1, SND_DJM_WINDEX_PB),
3714	SND_DJM_CTL("Ch3 Output",   250mk2_pb3, 2, SND_DJM_WINDEX_PB)
3715};
3716
3717
3718// DJM-450
3719static const u16 snd_djm_opts_450_cap1[] = {
3720	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
3721
3722static const u16 snd_djm_opts_450_cap2[] = {
3723	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
3724
3725static const u16 snd_djm_opts_450_cap3[] = {
3726	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
3727
3728static const u16 snd_djm_opts_450_pb1[] = { 0x0100, 0x0101, 0x0104 };
3729static const u16 snd_djm_opts_450_pb2[] = { 0x0200, 0x0201, 0x0204 };
3730static const u16 snd_djm_opts_450_pb3[] = { 0x0300, 0x0301, 0x0304 };
3731
3732static const struct snd_djm_ctl snd_djm_ctls_450[] = {
3733	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3734	SND_DJM_CTL("Ch1 Input",   450_cap1, 2, SND_DJM_WINDEX_CAP),
3735	SND_DJM_CTL("Ch2 Input",   450_cap2, 2, SND_DJM_WINDEX_CAP),
3736	SND_DJM_CTL("Ch3 Input",   450_cap3, 0, SND_DJM_WINDEX_CAP),
3737	SND_DJM_CTL("Ch1 Output",   450_pb1, 0, SND_DJM_WINDEX_PB),
3738	SND_DJM_CTL("Ch2 Output",   450_pb2, 1, SND_DJM_WINDEX_PB),
3739	SND_DJM_CTL("Ch3 Output",   450_pb3, 2, SND_DJM_WINDEX_PB)
3740};
3741
3742
3743// DJM-750
3744static const u16 snd_djm_opts_750_cap1[] = {
3745	0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3746static const u16 snd_djm_opts_750_cap2[] = {
3747	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3748static const u16 snd_djm_opts_750_cap3[] = {
3749	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3750static const u16 snd_djm_opts_750_cap4[] = {
3751	0x0401, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
3752
3753static const struct snd_djm_ctl snd_djm_ctls_750[] = {
3754	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3755	SND_DJM_CTL("Ch1 Input",   750_cap1, 2, SND_DJM_WINDEX_CAP),
3756	SND_DJM_CTL("Ch2 Input",   750_cap2, 2, SND_DJM_WINDEX_CAP),
3757	SND_DJM_CTL("Ch3 Input",   750_cap3, 0, SND_DJM_WINDEX_CAP),
3758	SND_DJM_CTL("Ch4 Input",   750_cap4, 0, SND_DJM_WINDEX_CAP)
3759};
3760
3761
3762// DJM-850
3763static const u16 snd_djm_opts_850_cap1[] = {
3764	0x0100, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3765static const u16 snd_djm_opts_850_cap2[] = {
3766	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3767static const u16 snd_djm_opts_850_cap3[] = {
3768	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3769static const u16 snd_djm_opts_850_cap4[] = {
3770	0x0400, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
3771
3772static const struct snd_djm_ctl snd_djm_ctls_850[] = {
3773	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3774	SND_DJM_CTL("Ch1 Input",   850_cap1, 1, SND_DJM_WINDEX_CAP),
3775	SND_DJM_CTL("Ch2 Input",   850_cap2, 0, SND_DJM_WINDEX_CAP),
3776	SND_DJM_CTL("Ch3 Input",   850_cap3, 0, SND_DJM_WINDEX_CAP),
3777	SND_DJM_CTL("Ch4 Input",   850_cap4, 1, SND_DJM_WINDEX_CAP)
3778};
3779
3780
3781// DJM-900NXS2
3782static const u16 snd_djm_opts_900nxs2_cap1[] = {
3783	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
3784static const u16 snd_djm_opts_900nxs2_cap2[] = {
3785	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
3786static const u16 snd_djm_opts_900nxs2_cap3[] = {
3787	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
3788static const u16 snd_djm_opts_900nxs2_cap4[] = {
3789	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
3790static const u16 snd_djm_opts_900nxs2_cap5[] = {
3791	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
3792
3793static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = {
3794	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3795	SND_DJM_CTL("Ch1 Input",   900nxs2_cap1, 2, SND_DJM_WINDEX_CAP),
3796	SND_DJM_CTL("Ch2 Input",   900nxs2_cap2, 2, SND_DJM_WINDEX_CAP),
3797	SND_DJM_CTL("Ch3 Input",   900nxs2_cap3, 2, SND_DJM_WINDEX_CAP),
3798	SND_DJM_CTL("Ch4 Input",   900nxs2_cap4, 2, SND_DJM_WINDEX_CAP),
3799	SND_DJM_CTL("Ch5 Input",   900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)
3800};
3801
3802// DJM-750MK2
3803static const u16 snd_djm_opts_750mk2_cap1[] = {
3804	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
3805static const u16 snd_djm_opts_750mk2_cap2[] = {
3806	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
3807static const u16 snd_djm_opts_750mk2_cap3[] = {
3808	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
3809static const u16 snd_djm_opts_750mk2_cap4[] = {
3810	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
3811static const u16 snd_djm_opts_750mk2_cap5[] = {
3812	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
3813
3814static const u16 snd_djm_opts_750mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
3815static const u16 snd_djm_opts_750mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
3816static const u16 snd_djm_opts_750mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
3817
3818
3819static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = {
3820	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3821	SND_DJM_CTL("Ch1 Input",   750mk2_cap1, 2, SND_DJM_WINDEX_CAP),
3822	SND_DJM_CTL("Ch2 Input",   750mk2_cap2, 2, SND_DJM_WINDEX_CAP),
3823	SND_DJM_CTL("Ch3 Input",   750mk2_cap3, 2, SND_DJM_WINDEX_CAP),
3824	SND_DJM_CTL("Ch4 Input",   750mk2_cap4, 2, SND_DJM_WINDEX_CAP),
3825	SND_DJM_CTL("Ch5 Input",   750mk2_cap5, 3, SND_DJM_WINDEX_CAP),
3826	SND_DJM_CTL("Ch1 Output",   750mk2_pb1, 0, SND_DJM_WINDEX_PB),
3827	SND_DJM_CTL("Ch2 Output",   750mk2_pb2, 1, SND_DJM_WINDEX_PB),
3828	SND_DJM_CTL("Ch3 Output",   750mk2_pb3, 2, SND_DJM_WINDEX_PB)
3829};
3830
3831
3832// DJM-A9
3833static const u16 snd_djm_opts_a9_cap1[] = {
3834	0x0107, 0x0108, 0x0109, 0x010a, 0x010e,
3835	0x111, 0x112, 0x113, 0x114, 0x0131, 0x132, 0x133, 0x134 };
3836static const u16 snd_djm_opts_a9_cap2[] = {
3837	0x0201, 0x0202, 0x0203, 0x0205, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020e };
3838static const u16 snd_djm_opts_a9_cap3[] = {
3839	0x0301, 0x0302, 0x0303, 0x0305, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030e };
3840static const u16 snd_djm_opts_a9_cap4[] = {
3841	0x0401, 0x0402, 0x0403, 0x0405, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040e };
3842static const u16 snd_djm_opts_a9_cap5[] = {
3843	0x0501, 0x0502, 0x0503, 0x0505, 0x0506, 0x0507, 0x0508, 0x0509, 0x050a, 0x050e };
3844
3845static const struct snd_djm_ctl snd_djm_ctls_a9[] = {
3846	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3847	SND_DJM_CTL("Master Input",  a9_cap1, 3, SND_DJM_WINDEX_CAP),
3848	SND_DJM_CTL("Ch1 Input",     a9_cap2, 2, SND_DJM_WINDEX_CAP),
3849	SND_DJM_CTL("Ch2 Input",     a9_cap3, 2, SND_DJM_WINDEX_CAP),
3850	SND_DJM_CTL("Ch3 Input",     a9_cap4, 2, SND_DJM_WINDEX_CAP),
3851	SND_DJM_CTL("Ch4 Input",     a9_cap5, 2, SND_DJM_WINDEX_CAP)
3852};
3853
3854static const struct snd_djm_device snd_djm_devices[] = {
3855	[SND_DJM_250MK2_IDX] = SND_DJM_DEVICE(250mk2),
3856	[SND_DJM_750_IDX] = SND_DJM_DEVICE(750),
3857	[SND_DJM_850_IDX] = SND_DJM_DEVICE(850),
3858	[SND_DJM_900NXS2_IDX] = SND_DJM_DEVICE(900nxs2),
3859	[SND_DJM_750MK2_IDX] = SND_DJM_DEVICE(750mk2),
3860	[SND_DJM_450_IDX] = SND_DJM_DEVICE(450),
3861	[SND_DJM_A9_IDX] = SND_DJM_DEVICE(a9),
3862};
3863
3864
3865static int snd_djm_controls_info(struct snd_kcontrol *kctl,
3866				struct snd_ctl_elem_info *info)
3867{
3868	unsigned long private_value = kctl->private_value;
3869	u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3870	u8 ctl_idx = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3871	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3872	const char *name;
3873	const struct snd_djm_ctl *ctl;
3874	size_t noptions;
3875
3876	if (ctl_idx >= device->ncontrols)
3877		return -EINVAL;
3878
3879	ctl = &device->controls[ctl_idx];
3880	noptions = ctl->noptions;
3881	if (info->value.enumerated.item >= noptions)
3882		info->value.enumerated.item = noptions - 1;
3883
3884	name = snd_djm_get_label(device_idx,
3885				ctl->options[info->value.enumerated.item],
3886				ctl->wIndex);
3887	if (!name)
3888		return -EINVAL;
3889
3890	strscpy(info->value.enumerated.name, name, sizeof(info->value.enumerated.name));
3891	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3892	info->count = 1;
3893	info->value.enumerated.items = noptions;
3894	return 0;
3895}
3896
3897static int snd_djm_controls_update(struct usb_mixer_interface *mixer,
3898				u8 device_idx, u8 group, u16 value)
3899{
3900	int err;
3901	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3902
3903	if ((group >= device->ncontrols) || value >= device->controls[group].noptions)
3904		return -EINVAL;
3905
3906	err = snd_usb_lock_shutdown(mixer->chip);
3907	if (err)
3908		return err;
3909
3910	err = snd_usb_ctl_msg(
3911		mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0),
3912		USB_REQ_SET_FEATURE,
3913		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
3914		device->controls[group].options[value],
3915		device->controls[group].wIndex,
3916		NULL, 0);
3917
3918	snd_usb_unlock_shutdown(mixer->chip);
3919	return err;
3920}
3921
3922static int snd_djm_controls_get(struct snd_kcontrol *kctl,
3923				struct snd_ctl_elem_value *elem)
3924{
3925	elem->value.enumerated.item[0] = kctl->private_value & SND_DJM_VALUE_MASK;
3926	return 0;
3927}
3928
3929static int snd_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
3930{
3931	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
3932	struct usb_mixer_interface *mixer = list->mixer;
3933	unsigned long private_value = kctl->private_value;
3934
3935	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3936	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3937	u16 value = elem->value.enumerated.item[0];
3938
3939	kctl->private_value = (((unsigned long)device << SND_DJM_DEVICE_SHIFT) |
3940			      (group << SND_DJM_GROUP_SHIFT) |
3941			      value);
3942
3943	return snd_djm_controls_update(mixer, device, group, value);
3944}
3945
3946static int snd_djm_controls_resume(struct usb_mixer_elem_list *list)
3947{
3948	unsigned long private_value = list->kctl->private_value;
3949	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3950	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3951	u16 value = (private_value & SND_DJM_VALUE_MASK);
3952
3953	return snd_djm_controls_update(list->mixer, device, group, value);
3954}
3955
3956static int snd_djm_controls_create(struct usb_mixer_interface *mixer,
3957		const u8 device_idx)
3958{
3959	int err, i;
3960	u16 value;
3961
3962	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3963
3964	struct snd_kcontrol_new knew = {
3965		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
3966		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3967		.index = 0,
3968		.info = snd_djm_controls_info,
3969		.get  = snd_djm_controls_get,
3970		.put  = snd_djm_controls_put
3971	};
3972
3973	for (i = 0; i < device->ncontrols; i++) {
3974		value = device->controls[i].default_value;
3975		knew.name = device->controls[i].name;
3976		knew.private_value = (
3977			((unsigned long)device_idx << SND_DJM_DEVICE_SHIFT) |
3978			(i << SND_DJM_GROUP_SHIFT) |
3979			value);
3980		err = snd_djm_controls_update(mixer, device_idx, i, value);
3981		if (err)
3982			return err;
3983		err = add_single_ctl_with_resume(mixer, 0, snd_djm_controls_resume,
3984						 &knew, NULL);
3985		if (err)
3986			return err;
3987	}
3988	return 0;
3989}
3990
3991int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
3992{
3993	int err = 0;
3994
3995	err = snd_usb_soundblaster_remote_init(mixer);
3996	if (err < 0)
3997		return err;
3998
3999	switch (mixer->chip->usb_id) {
4000	/* Tascam US-16x08 */
4001	case USB_ID(0x0644, 0x8047):
4002		err = snd_us16x08_controls_create(mixer);
4003		break;
4004	case USB_ID(0x041e, 0x3020):
4005	case USB_ID(0x041e, 0x3040):
4006	case USB_ID(0x041e, 0x3042):
4007	case USB_ID(0x041e, 0x30df):
4008	case USB_ID(0x041e, 0x3048):
4009		err = snd_audigy2nx_controls_create(mixer);
4010		if (err < 0)
4011			break;
4012		snd_card_ro_proc_new(mixer->chip->card, "audigy2nx",
4013				     mixer, snd_audigy2nx_proc_read);
4014		break;
4015
4016	/* EMU0204 */
4017	case USB_ID(0x041e, 0x3f19):
4018		err = snd_emu0204_controls_create(mixer);
4019		break;
4020
4021	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
4022	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
4023		err = snd_c400_create_mixer(mixer);
4024		break;
4025
4026	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
4027	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
4028		err = snd_ftu_create_mixer(mixer);
4029		break;
4030
4031	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
4032	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
4033	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
4034		err = snd_xonar_u1_controls_create(mixer);
4035		break;
4036
4037	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
4038		err = snd_microii_controls_create(mixer);
4039		break;
4040
4041	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
4042		err = snd_mbox1_controls_create(mixer);
4043		break;
4044
4045	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
4046		err = snd_nativeinstruments_create_mixer(mixer,
4047				snd_nativeinstruments_ta6_mixers,
4048				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
4049		break;
4050
4051	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
4052		err = snd_nativeinstruments_create_mixer(mixer,
4053				snd_nativeinstruments_ta10_mixers,
4054				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
4055		break;
4056
4057	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
4058		/* detection is disabled in mixer_maps.c */
4059		err = snd_create_std_mono_table(mixer, ebox44_table);
4060		break;
4061
4062	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
4063	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
4064	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
4065	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
4066	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
4067		err = snd_scarlett_controls_create(mixer);
4068		break;
4069
4070	case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */
4071	case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */
4072	case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */
4073	case USB_ID(0x1235, 0x8211): /* Focusrite Scarlett Solo 3rd Gen */
4074	case USB_ID(0x1235, 0x8210): /* Focusrite Scarlett 2i2 3rd Gen */
4075	case USB_ID(0x1235, 0x8212): /* Focusrite Scarlett 4i4 3rd Gen */
4076	case USB_ID(0x1235, 0x8213): /* Focusrite Scarlett 8i6 3rd Gen */
4077	case USB_ID(0x1235, 0x8214): /* Focusrite Scarlett 18i8 3rd Gen */
4078	case USB_ID(0x1235, 0x8215): /* Focusrite Scarlett 18i20 3rd Gen */
4079	case USB_ID(0x1235, 0x8216): /* Focusrite Vocaster One */
4080	case USB_ID(0x1235, 0x8217): /* Focusrite Vocaster Two */
4081	case USB_ID(0x1235, 0x8218): /* Focusrite Scarlett Solo 4th Gen */
4082	case USB_ID(0x1235, 0x8219): /* Focusrite Scarlett 2i2 4th Gen */
4083	case USB_ID(0x1235, 0x821a): /* Focusrite Scarlett 4i4 4th Gen */
4084	case USB_ID(0x1235, 0x8206): /* Focusrite Clarett 2Pre USB */
4085	case USB_ID(0x1235, 0x8207): /* Focusrite Clarett 4Pre USB */
4086	case USB_ID(0x1235, 0x8208): /* Focusrite Clarett 8Pre USB */
4087	case USB_ID(0x1235, 0x820a): /* Focusrite Clarett+ 2Pre */
4088	case USB_ID(0x1235, 0x820b): /* Focusrite Clarett+ 4Pre */
4089	case USB_ID(0x1235, 0x820c): /* Focusrite Clarett+ 8Pre */
4090		err = snd_scarlett2_init(mixer);
4091		break;
4092
4093	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
4094		err = snd_soundblaster_e1_switch_create(mixer);
4095		break;
4096	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
4097		err = dell_dock_mixer_create(mixer);
4098		if (err < 0)
4099			break;
4100		err = dell_dock_mixer_init(mixer);
4101		break;
4102	case USB_ID(0x0bda, 0x402e): /* Dell WD19 dock */
4103		err = dell_dock_mixer_create(mixer);
4104		break;
4105
4106	case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */
4107	case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */
4108	case USB_ID(0x2a39, 0x3fd4): /* RME */
4109		err = snd_rme_controls_create(mixer);
4110		break;
4111
4112	case USB_ID(0x194f, 0x010c): /* Presonus Studio 1810c */
4113		err = snd_sc1810_init_mixer(mixer);
4114		break;
4115	case USB_ID(0x2a39, 0x3fb0): /* RME Babyface Pro FS */
4116		err = snd_bbfpro_controls_create(mixer);
4117		break;
4118	case USB_ID(0x2a39, 0x3f8c): /* RME Digiface USB */
4119	case USB_ID(0x2a39, 0x3fa0): /* RME Digiface USB (alternate) */
4120		err = snd_rme_digiface_controls_create(mixer);
4121		break;
4122	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
4123		err = snd_djm_controls_create(mixer, SND_DJM_250MK2_IDX);
4124		break;
4125	case USB_ID(0x2b73, 0x0013): /* Pioneer DJ DJM-450 */
4126		err = snd_djm_controls_create(mixer, SND_DJM_450_IDX);
4127		break;
4128	case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */
4129		err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);
4130		break;
4131	case USB_ID(0x2b73, 0x001b): /* Pioneer DJ DJM-750MK2 */
4132		err = snd_djm_controls_create(mixer, SND_DJM_750MK2_IDX);
4133		break;
4134	case USB_ID(0x08e4, 0x0163): /* Pioneer DJ DJM-850 */
4135		err = snd_djm_controls_create(mixer, SND_DJM_850_IDX);
4136		break;
4137	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
4138		err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX);
4139		break;
4140	case USB_ID(0x2b73, 0x003c): /* Pioneer DJ / AlphaTheta DJM-A9 */
4141		err = snd_djm_controls_create(mixer, SND_DJM_A9_IDX);
4142		break;
4143	}
4144
4145	return err;
4146}
4147
4148void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer)
4149{
4150	switch (mixer->chip->usb_id) {
4151	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
4152		dell_dock_mixer_init(mixer);
4153		break;
4154	}
4155}
4156
4157void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
4158				    int unitid)
4159{
4160	if (!mixer->rc_cfg)
4161		return;
4162	/* unit ids specific to Extigy/Audigy 2 NX: */
4163	switch (unitid) {
4164	case 0: /* remote control */
4165		mixer->rc_urb->dev = mixer->chip->dev;
4166		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
4167		break;
4168	case 4: /* digital in jack */
4169	case 7: /* line in jacks */
4170	case 19: /* speaker out jacks */
4171	case 20: /* headphones out jack */
4172		break;
4173	/* live24ext: 4 = line-in jack */
4174	case 3:	/* hp-out jack (may actuate Mute) */
4175		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
4176		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
4177			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
4178		break;
4179	default:
4180		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
4181		break;
4182	}
4183}
4184
4185static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
4186					 struct usb_mixer_elem_info *cval,
4187					 struct snd_kcontrol *kctl)
4188{
4189	/* Approximation using 10 ranges based on output measurement on hw v1.2.
4190	 * This seems close to the cubic mapping e.g. alsamixer uses. */
4191	static const DECLARE_TLV_DB_RANGE(scale,
4192		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
4193		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
4194		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
4195		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
4196		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
4197		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
4198		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
4199		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
4200		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
4201		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
4202	);
4203
4204	if (cval->min == 0 && cval->max == 50) {
4205		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
4206		kctl->tlv.p = scale;
4207		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
4208		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
4209
4210	} else if (cval->min == 0 && cval->max <= 1000) {
4211		/* Some other clearly broken DragonFly variant.
4212		 * At least a 0..53 variant (hw v1.0) exists.
4213		 */
4214		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
4215		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
4216	}
4217}
4218
4219void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
4220				  struct usb_mixer_elem_info *cval, int unitid,
4221				  struct snd_kcontrol *kctl)
4222{
4223	switch (mixer->chip->usb_id) {
4224	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
4225		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
4226			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
4227		break;
4228	/* lowest playback value is muted on some devices */
4229	case USB_ID(0x0d8c, 0x000c): /* C-Media */
4230	case USB_ID(0x0d8c, 0x0014): /* C-Media */
4231	case USB_ID(0x19f7, 0x0003): /* RODE NT-USB */
4232		if (strstr(kctl->id.name, "Playback"))
4233			cval->min_mute = 1;
4234		break;
4235	}
4236}
4237
v6.2
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *   USB Audio Driver for ALSA
   4 *
   5 *   Quirks and vendor-specific extensions for mixer interfaces
   6 *
   7 *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   8 *
   9 *   Many codes borrowed from audio.c by
  10 *	    Alan Cox (alan@lxorguk.ukuu.org.uk)
  11 *	    Thomas Sailer (sailer@ife.ee.ethz.ch)
  12 *
  13 *   Audio Advantage Micro II support added by:
  14 *	    Przemek Rudy (prudy1@o2.pl)
  15 */
  16
 
  17#include <linux/hid.h>
  18#include <linux/init.h>
  19#include <linux/math64.h>
  20#include <linux/slab.h>
  21#include <linux/usb.h>
  22#include <linux/usb/audio.h>
  23
  24#include <sound/asoundef.h>
  25#include <sound/core.h>
  26#include <sound/control.h>
  27#include <sound/hda_verbs.h>
  28#include <sound/hwdep.h>
  29#include <sound/info.h>
  30#include <sound/tlv.h>
  31
  32#include "usbaudio.h"
  33#include "mixer.h"
  34#include "mixer_quirks.h"
  35#include "mixer_scarlett.h"
  36#include "mixer_scarlett_gen2.h"
  37#include "mixer_us16x08.h"
  38#include "mixer_s1810c.h"
  39#include "helper.h"
  40
  41struct std_mono_table {
  42	unsigned int unitid, control, cmask;
  43	int val_type;
  44	const char *name;
  45	snd_kcontrol_tlv_rw_t *tlv_callback;
  46};
  47
  48/* This function allows for the creation of standard UAC controls.
  49 * See the quirks for M-Audio FTUs or Ebox-44.
  50 * If you don't want to set a TLV callback pass NULL.
  51 *
  52 * Since there doesn't seem to be a devices that needs a multichannel
  53 * version, we keep it mono for simplicity.
  54 */
  55static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
  56				unsigned int unitid,
  57				unsigned int control,
  58				unsigned int cmask,
  59				int val_type,
  60				unsigned int idx_off,
  61				const char *name,
  62				snd_kcontrol_tlv_rw_t *tlv_callback)
  63{
  64	struct usb_mixer_elem_info *cval;
  65	struct snd_kcontrol *kctl;
  66
  67	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  68	if (!cval)
  69		return -ENOMEM;
  70
  71	snd_usb_mixer_elem_init_std(&cval->head, mixer, unitid);
  72	cval->val_type = val_type;
  73	cval->channels = 1;
  74	cval->control = control;
  75	cval->cmask = cmask;
  76	cval->idx_off = idx_off;
  77
  78	/* get_min_max() is called only for integer volumes later,
  79	 * so provide a short-cut for booleans */
  80	cval->min = 0;
  81	cval->max = 1;
  82	cval->res = 0;
  83	cval->dBmin = 0;
  84	cval->dBmax = 0;
  85
  86	/* Create control */
  87	kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
  88	if (!kctl) {
  89		kfree(cval);
  90		return -ENOMEM;
  91	}
  92
  93	/* Set name */
  94	snprintf(kctl->id.name, sizeof(kctl->id.name), name);
  95	kctl->private_free = snd_usb_mixer_elem_free;
  96
  97	/* set TLV */
  98	if (tlv_callback) {
  99		kctl->tlv.c = tlv_callback;
 100		kctl->vd[0].access |=
 101			SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 102			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 103	}
 104	/* Add control to mixer */
 105	return snd_usb_mixer_add_control(&cval->head, kctl);
 106}
 107
 108static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
 109				unsigned int unitid,
 110				unsigned int control,
 111				unsigned int cmask,
 112				int val_type,
 113				const char *name,
 114				snd_kcontrol_tlv_rw_t *tlv_callback)
 115{
 116	return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
 117		val_type, 0 /* Offset */, name, tlv_callback);
 118}
 119
 120/*
 121 * Create a set of standard UAC controls from a table
 122 */
 123static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 124				     const struct std_mono_table *t)
 125{
 126	int err;
 127
 128	while (t->name != NULL) {
 129		err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 130				t->cmask, t->val_type, t->name, t->tlv_callback);
 131		if (err < 0)
 132			return err;
 133		t++;
 134	}
 135
 136	return 0;
 137}
 138
 139static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer,
 140				      int id,
 141				      usb_mixer_elem_resume_func_t resume,
 142				      const struct snd_kcontrol_new *knew,
 143				      struct usb_mixer_elem_list **listp)
 144{
 145	struct usb_mixer_elem_list *list;
 146	struct snd_kcontrol *kctl;
 147
 148	list = kzalloc(sizeof(*list), GFP_KERNEL);
 149	if (!list)
 150		return -ENOMEM;
 151	if (listp)
 152		*listp = list;
 153	list->mixer = mixer;
 154	list->id = id;
 155	list->resume = resume;
 156	kctl = snd_ctl_new1(knew, list);
 157	if (!kctl) {
 158		kfree(list);
 159		return -ENOMEM;
 160	}
 161	kctl->private_free = snd_usb_mixer_elem_free;
 162	/* don't use snd_usb_mixer_add_control() here, this is a special list element */
 163	return snd_usb_mixer_add_list(list, kctl, false);
 164}
 165
 166/*
 167 * Sound Blaster remote control configuration
 168 *
 169 * format of remote control data:
 170 * Extigy:       xx 00
 171 * Audigy 2 NX:  06 80 xx 00 00 00
 172 * Live! 24-bit: 06 80 xx yy 22 83
 173 */
 174static const struct rc_config {
 175	u32 usb_id;
 176	u8  offset;
 177	u8  length;
 178	u8  packet_length;
 179	u8  min_packet_length; /* minimum accepted length of the URB result */
 180	u8  mute_mixer_id;
 181	u32 mute_code;
 182} rc_configs[] = {
 183	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 184	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 185	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 186	{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 187	{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 188	{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 189	{ USB_ID(0x041e, 0x3263), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 190	{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 191};
 192
 193static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 194{
 195	struct usb_mixer_interface *mixer = urb->context;
 196	const struct rc_config *rc = mixer->rc_cfg;
 197	u32 code;
 198
 199	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 200		return;
 201
 202	code = mixer->rc_buffer[rc->offset];
 203	if (rc->length == 2)
 204		code |= mixer->rc_buffer[rc->offset + 1] << 8;
 205
 206	/* the Mute button actually changes the mixer control */
 207	if (code == rc->mute_code)
 208		snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 209	mixer->rc_code = code;
 210	wmb();
 211	wake_up(&mixer->rc_waitq);
 212}
 213
 214static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 215				     long count, loff_t *offset)
 216{
 217	struct usb_mixer_interface *mixer = hw->private_data;
 218	int err;
 219	u32 rc_code;
 220
 221	if (count != 1 && count != 4)
 222		return -EINVAL;
 223	err = wait_event_interruptible(mixer->rc_waitq,
 224				       (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 225	if (err == 0) {
 226		if (count == 1)
 227			err = put_user(rc_code, buf);
 228		else
 229			err = put_user(rc_code, (u32 __user *)buf);
 230	}
 231	return err < 0 ? err : count;
 232}
 233
 234static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 235					    poll_table *wait)
 236{
 237	struct usb_mixer_interface *mixer = hw->private_data;
 238
 239	poll_wait(file, &mixer->rc_waitq, wait);
 240	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
 241}
 242
 243static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 244{
 245	struct snd_hwdep *hwdep;
 246	int err, len, i;
 247
 248	for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 249		if (rc_configs[i].usb_id == mixer->chip->usb_id)
 250			break;
 251	if (i >= ARRAY_SIZE(rc_configs))
 252		return 0;
 253	mixer->rc_cfg = &rc_configs[i];
 254
 255	len = mixer->rc_cfg->packet_length;
 256
 257	init_waitqueue_head(&mixer->rc_waitq);
 258	err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 259	if (err < 0)
 260		return err;
 261	snprintf(hwdep->name, sizeof(hwdep->name),
 262		 "%s remote control", mixer->chip->card->shortname);
 263	hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 264	hwdep->private_data = mixer;
 265	hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 266	hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 267	hwdep->exclusive = 1;
 268
 269	mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 270	if (!mixer->rc_urb)
 271		return -ENOMEM;
 272	mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 273	if (!mixer->rc_setup_packet) {
 274		usb_free_urb(mixer->rc_urb);
 275		mixer->rc_urb = NULL;
 276		return -ENOMEM;
 277	}
 278	mixer->rc_setup_packet->bRequestType =
 279		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 280	mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 281	mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 282	mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 283	mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 284	usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 285			     usb_rcvctrlpipe(mixer->chip->dev, 0),
 286			     (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 287			     snd_usb_soundblaster_remote_complete, mixer);
 288	return 0;
 289}
 290
 291#define snd_audigy2nx_led_info		snd_ctl_boolean_mono_info
 292
 293static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 294{
 295	ucontrol->value.integer.value[0] = kcontrol->private_value >> 8;
 296	return 0;
 297}
 298
 299static int snd_audigy2nx_led_update(struct usb_mixer_interface *mixer,
 300				    int value, int index)
 301{
 302	struct snd_usb_audio *chip = mixer->chip;
 303	int err;
 304
 305	err = snd_usb_lock_shutdown(chip);
 306	if (err < 0)
 307		return err;
 308
 309	if (chip->usb_id == USB_ID(0x041e, 0x3042))
 310		err = snd_usb_ctl_msg(chip->dev,
 311			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 312			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 313			      !value, 0, NULL, 0);
 314	/* USB X-Fi S51 Pro */
 315	if (chip->usb_id == USB_ID(0x041e, 0x30df))
 316		err = snd_usb_ctl_msg(chip->dev,
 317			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 318			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 319			      !value, 0, NULL, 0);
 320	else
 321		err = snd_usb_ctl_msg(chip->dev,
 322			      usb_sndctrlpipe(chip->dev, 0), 0x24,
 323			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 324			      value, index + 2, NULL, 0);
 325	snd_usb_unlock_shutdown(chip);
 326	return err;
 327}
 328
 329static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol,
 330				 struct snd_ctl_elem_value *ucontrol)
 331{
 332	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 333	struct usb_mixer_interface *mixer = list->mixer;
 334	int index = kcontrol->private_value & 0xff;
 335	unsigned int value = ucontrol->value.integer.value[0];
 336	int old_value = kcontrol->private_value >> 8;
 337	int err;
 338
 339	if (value > 1)
 340		return -EINVAL;
 341	if (value == old_value)
 342		return 0;
 343	kcontrol->private_value = (value << 8) | index;
 344	err = snd_audigy2nx_led_update(mixer, value, index);
 345	return err < 0 ? err : 1;
 346}
 347
 348static int snd_audigy2nx_led_resume(struct usb_mixer_elem_list *list)
 349{
 350	int priv_value = list->kctl->private_value;
 351
 352	return snd_audigy2nx_led_update(list->mixer, priv_value >> 8,
 353					priv_value & 0xff);
 354}
 355
 356/* name and private_value are set dynamically */
 357static const struct snd_kcontrol_new snd_audigy2nx_control = {
 358	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 359	.info = snd_audigy2nx_led_info,
 360	.get = snd_audigy2nx_led_get,
 361	.put = snd_audigy2nx_led_put,
 362};
 363
 364static const char * const snd_audigy2nx_led_names[] = {
 365	"CMSS LED Switch",
 366	"Power LED Switch",
 367	"Dolby Digital LED Switch",
 368};
 369
 370static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 371{
 372	int i, err;
 373
 374	for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_led_names); ++i) {
 375		struct snd_kcontrol_new knew;
 376
 377		/* USB X-Fi S51 doesn't have a CMSS LED */
 378		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 379			continue;
 380		/* USB X-Fi S51 Pro doesn't have one either */
 381		if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 382			continue;
 383		if (i > 1 && /* Live24ext has 2 LEDs only */
 384			(mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 385			 mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 386			 mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 387			 mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 388			break; 
 389
 390		knew = snd_audigy2nx_control;
 391		knew.name = snd_audigy2nx_led_names[i];
 392		knew.private_value = (1 << 8) | i; /* LED on as default */
 393		err = add_single_ctl_with_resume(mixer, 0,
 394						 snd_audigy2nx_led_resume,
 395						 &knew, NULL);
 396		if (err < 0)
 397			return err;
 398	}
 399	return 0;
 400}
 401
 402static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 403				    struct snd_info_buffer *buffer)
 404{
 405	static const struct sb_jack {
 406		int unitid;
 407		const char *name;
 408	}  jacks_audigy2nx[] = {
 409		{4,  "dig in "},
 410		{7,  "line in"},
 411		{19, "spk out"},
 412		{20, "hph out"},
 413		{-1, NULL}
 414	}, jacks_live24ext[] = {
 415		{4,  "line in"}, /* &1=Line, &2=Mic*/
 416		{3,  "hph out"}, /* headphones */
 417		{0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 418		{-1, NULL}
 419	};
 420	const struct sb_jack *jacks;
 421	struct usb_mixer_interface *mixer = entry->private_data;
 422	int i, err;
 423	u8 buf[3];
 424
 425	snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 426	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 427		jacks = jacks_audigy2nx;
 428	else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 429		 mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 430		jacks = jacks_live24ext;
 431	else
 432		return;
 433
 434	for (i = 0; jacks[i].name; ++i) {
 435		snd_iprintf(buffer, "%s: ", jacks[i].name);
 436		err = snd_usb_lock_shutdown(mixer->chip);
 437		if (err < 0)
 438			return;
 439		err = snd_usb_ctl_msg(mixer->chip->dev,
 440				      usb_rcvctrlpipe(mixer->chip->dev, 0),
 441				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 442				      USB_RECIP_INTERFACE, 0,
 443				      jacks[i].unitid << 8, buf, 3);
 444		snd_usb_unlock_shutdown(mixer->chip);
 445		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 446			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 447		else
 448			snd_iprintf(buffer, "?\n");
 449	}
 450}
 451
 452/* EMU0204 */
 453static int snd_emu0204_ch_switch_info(struct snd_kcontrol *kcontrol,
 454				      struct snd_ctl_elem_info *uinfo)
 455{
 456	static const char * const texts[2] = {"1/2", "3/4"};
 457
 458	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 459}
 460
 461static int snd_emu0204_ch_switch_get(struct snd_kcontrol *kcontrol,
 462				     struct snd_ctl_elem_value *ucontrol)
 463{
 464	ucontrol->value.enumerated.item[0] = kcontrol->private_value;
 465	return 0;
 466}
 467
 468static int snd_emu0204_ch_switch_update(struct usb_mixer_interface *mixer,
 469					int value)
 470{
 471	struct snd_usb_audio *chip = mixer->chip;
 472	int err;
 473	unsigned char buf[2];
 474
 475	err = snd_usb_lock_shutdown(chip);
 476	if (err < 0)
 477		return err;
 478
 479	buf[0] = 0x01;
 480	buf[1] = value ? 0x02 : 0x01;
 481	err = snd_usb_ctl_msg(chip->dev,
 482		      usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 483		      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 484		      0x0400, 0x0e00, buf, 2);
 485	snd_usb_unlock_shutdown(chip);
 486	return err;
 487}
 488
 489static int snd_emu0204_ch_switch_put(struct snd_kcontrol *kcontrol,
 490				     struct snd_ctl_elem_value *ucontrol)
 491{
 492	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 493	struct usb_mixer_interface *mixer = list->mixer;
 494	unsigned int value = ucontrol->value.enumerated.item[0];
 495	int err;
 496
 497	if (value > 1)
 498		return -EINVAL;
 499
 500	if (value == kcontrol->private_value)
 501		return 0;
 502
 503	kcontrol->private_value = value;
 504	err = snd_emu0204_ch_switch_update(mixer, value);
 505	return err < 0 ? err : 1;
 506}
 507
 508static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list)
 509{
 510	return snd_emu0204_ch_switch_update(list->mixer,
 511					    list->kctl->private_value);
 512}
 513
 514static const struct snd_kcontrol_new snd_emu0204_control = {
 515	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 516	.name = "Front Jack Channels",
 517	.info = snd_emu0204_ch_switch_info,
 518	.get = snd_emu0204_ch_switch_get,
 519	.put = snd_emu0204_ch_switch_put,
 520	.private_value = 0,
 521};
 522
 523static int snd_emu0204_controls_create(struct usb_mixer_interface *mixer)
 524{
 525	return add_single_ctl_with_resume(mixer, 0,
 526					  snd_emu0204_ch_switch_resume,
 527					  &snd_emu0204_control, NULL);
 528}
 529
 530/* ASUS Xonar U1 / U3 controls */
 531
 532static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 533				   struct snd_ctl_elem_value *ucontrol)
 534{
 535	ucontrol->value.integer.value[0] = !!(kcontrol->private_value & 0x02);
 536	return 0;
 537}
 538
 539static int snd_xonar_u1_switch_update(struct usb_mixer_interface *mixer,
 540				      unsigned char status)
 541{
 542	struct snd_usb_audio *chip = mixer->chip;
 543	int err;
 544
 545	err = snd_usb_lock_shutdown(chip);
 546	if (err < 0)
 547		return err;
 548	err = snd_usb_ctl_msg(chip->dev,
 549			      usb_sndctrlpipe(chip->dev, 0), 0x08,
 550			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 551			      50, 0, &status, 1);
 552	snd_usb_unlock_shutdown(chip);
 553	return err;
 554}
 555
 556static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 557				   struct snd_ctl_elem_value *ucontrol)
 558{
 559	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 560	u8 old_status, new_status;
 561	int err;
 562
 563	old_status = kcontrol->private_value;
 564	if (ucontrol->value.integer.value[0])
 565		new_status = old_status | 0x02;
 566	else
 567		new_status = old_status & ~0x02;
 568	if (new_status == old_status)
 569		return 0;
 570
 571	kcontrol->private_value = new_status;
 572	err = snd_xonar_u1_switch_update(list->mixer, new_status);
 573	return err < 0 ? err : 1;
 574}
 575
 576static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list)
 577{
 578	return snd_xonar_u1_switch_update(list->mixer,
 579					  list->kctl->private_value);
 580}
 581
 582static const struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 583	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 584	.name = "Digital Playback Switch",
 585	.info = snd_ctl_boolean_mono_info,
 586	.get = snd_xonar_u1_switch_get,
 587	.put = snd_xonar_u1_switch_put,
 588	.private_value = 0x05,
 589};
 590
 591static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 592{
 593	return add_single_ctl_with_resume(mixer, 0,
 594					  snd_xonar_u1_switch_resume,
 595					  &snd_xonar_u1_output_switch, NULL);
 596}
 597
 598/* Digidesign Mbox 1 helper functions */
 599
 600static int snd_mbox1_is_spdif_synced(struct snd_usb_audio *chip)
 601{
 602	unsigned char buff[3];
 603	int err;
 604	int is_spdif_synced;
 605
 606	/* Read clock source */
 607	err = snd_usb_ctl_msg(chip->dev,
 608			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
 609			      USB_DIR_IN |
 610			      USB_TYPE_CLASS |
 611			      USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 612	if (err < 0)
 613		return err;
 614
 615	/* spdif sync: buff is all zeroes */
 616	is_spdif_synced = !(buff[0] | buff[1] | buff[2]);
 617	return is_spdif_synced;
 618}
 619
 620static int snd_mbox1_set_clk_source(struct snd_usb_audio *chip, int rate_or_zero)
 621{
 622	/* 2 possibilities:	Internal    -> expects sample rate
 623	 *			S/PDIF sync -> expects rate = 0
 624	 */
 625	unsigned char buff[3];
 626
 627	buff[0] = (rate_or_zero >>  0) & 0xff;
 628	buff[1] = (rate_or_zero >>  8) & 0xff;
 629	buff[2] = (rate_or_zero >> 16) & 0xff;
 630
 631	/* Set clock source */
 632	return snd_usb_ctl_msg(chip->dev,
 633			       usb_sndctrlpipe(chip->dev, 0), 0x1,
 634			       USB_TYPE_CLASS |
 635			       USB_RECIP_ENDPOINT, 0x100, 0x81, buff, 3);
 636}
 637
 638static int snd_mbox1_is_spdif_input(struct snd_usb_audio *chip)
 639{
 640	/* Hardware gives 2 possibilities:	ANALOG Source  -> 0x01
 641	 *					S/PDIF Source  -> 0x02
 642	 */
 643	int err;
 644	unsigned char source[1];
 645
 646	/* Read input source */
 647	err = snd_usb_ctl_msg(chip->dev,
 648			      usb_rcvctrlpipe(chip->dev, 0), 0x81,
 649			      USB_DIR_IN |
 650			      USB_TYPE_CLASS |
 651			      USB_RECIP_INTERFACE, 0x00, 0x500, source, 1);
 652	if (err < 0)
 653		return err;
 654
 655	return (source[0] == 2);
 656}
 657
 658static int snd_mbox1_set_input_source(struct snd_usb_audio *chip, int is_spdif)
 659{
 660	/* NB: Setting the input source to S/PDIF resets the clock source to S/PDIF
 661	 * Hardware expects 2 possibilities:	ANALOG Source  -> 0x01
 662	 *					S/PDIF Source  -> 0x02
 663	 */
 664	unsigned char buff[1];
 665
 666	buff[0] = (is_spdif & 1) + 1;
 667
 668	/* Set input source */
 669	return snd_usb_ctl_msg(chip->dev,
 670			       usb_sndctrlpipe(chip->dev, 0), 0x1,
 671			       USB_TYPE_CLASS |
 672			       USB_RECIP_INTERFACE, 0x00, 0x500, buff, 1);
 673}
 674
 675/* Digidesign Mbox 1 clock source switch (internal/spdif) */
 676
 677static int snd_mbox1_clk_switch_get(struct snd_kcontrol *kctl,
 678				    struct snd_ctl_elem_value *ucontrol)
 679{
 680	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 681	struct snd_usb_audio *chip = list->mixer->chip;
 682	int err;
 683
 684	err = snd_usb_lock_shutdown(chip);
 685	if (err < 0)
 686		goto err;
 687
 688	err = snd_mbox1_is_spdif_synced(chip);
 689	if (err < 0)
 690		goto err;
 691
 692	kctl->private_value = err;
 693	err = 0;
 694	ucontrol->value.enumerated.item[0] = kctl->private_value;
 695err:
 696	snd_usb_unlock_shutdown(chip);
 697	return err;
 698}
 699
 700static int snd_mbox1_clk_switch_update(struct usb_mixer_interface *mixer, int is_spdif_sync)
 701{
 702	struct snd_usb_audio *chip = mixer->chip;
 703	int err;
 704
 705	err = snd_usb_lock_shutdown(chip);
 706	if (err < 0)
 707		return err;
 708
 709	err = snd_mbox1_is_spdif_input(chip);
 710	if (err < 0)
 711		goto err;
 712
 713	err = snd_mbox1_is_spdif_synced(chip);
 714	if (err < 0)
 715		goto err;
 716
 717	/* FIXME: hardcoded sample rate */
 718	err = snd_mbox1_set_clk_source(chip, is_spdif_sync ? 0 : 48000);
 719	if (err < 0)
 720		goto err;
 721
 722	err = snd_mbox1_is_spdif_synced(chip);
 723err:
 724	snd_usb_unlock_shutdown(chip);
 725	return err;
 726}
 727
 728static int snd_mbox1_clk_switch_put(struct snd_kcontrol *kctl,
 729				    struct snd_ctl_elem_value *ucontrol)
 730{
 731	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 732	struct usb_mixer_interface *mixer = list->mixer;
 733	int err;
 734	bool cur_val, new_val;
 735
 736	cur_val = kctl->private_value;
 737	new_val = ucontrol->value.enumerated.item[0];
 738	if (cur_val == new_val)
 739		return 0;
 740
 741	kctl->private_value = new_val;
 742	err = snd_mbox1_clk_switch_update(mixer, new_val);
 743	return err < 0 ? err : 1;
 744}
 745
 746static int snd_mbox1_clk_switch_info(struct snd_kcontrol *kcontrol,
 747				     struct snd_ctl_elem_info *uinfo)
 748{
 749	static const char *const texts[2] = {
 750		"Internal",
 751		"S/PDIF"
 752	};
 753
 754	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 755}
 756
 757static int snd_mbox1_clk_switch_resume(struct usb_mixer_elem_list *list)
 758{
 759	return snd_mbox1_clk_switch_update(list->mixer, list->kctl->private_value);
 760}
 761
 762/* Digidesign Mbox 1 input source switch (analog/spdif) */
 763
 764static int snd_mbox1_src_switch_get(struct snd_kcontrol *kctl,
 765				    struct snd_ctl_elem_value *ucontrol)
 766{
 767	ucontrol->value.enumerated.item[0] = kctl->private_value;
 768	return 0;
 769}
 770
 771static int snd_mbox1_src_switch_update(struct usb_mixer_interface *mixer, int is_spdif_input)
 772{
 773	struct snd_usb_audio *chip = mixer->chip;
 774	int err;
 775
 776	err = snd_usb_lock_shutdown(chip);
 777	if (err < 0)
 778		return err;
 779
 780	err = snd_mbox1_is_spdif_input(chip);
 781	if (err < 0)
 782		goto err;
 783
 784	err = snd_mbox1_set_input_source(chip, is_spdif_input);
 785	if (err < 0)
 786		goto err;
 787
 788	err = snd_mbox1_is_spdif_input(chip);
 789	if (err < 0)
 790		goto err;
 791
 792	err = snd_mbox1_is_spdif_synced(chip);
 793err:
 794	snd_usb_unlock_shutdown(chip);
 795	return err;
 796}
 797
 798static int snd_mbox1_src_switch_put(struct snd_kcontrol *kctl,
 799				    struct snd_ctl_elem_value *ucontrol)
 800{
 801	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
 802	struct usb_mixer_interface *mixer = list->mixer;
 803	int err;
 804	bool cur_val, new_val;
 805
 806	cur_val = kctl->private_value;
 807	new_val = ucontrol->value.enumerated.item[0];
 808	if (cur_val == new_val)
 809		return 0;
 810
 811	kctl->private_value = new_val;
 812	err = snd_mbox1_src_switch_update(mixer, new_val);
 813	return err < 0 ? err : 1;
 814}
 815
 816static int snd_mbox1_src_switch_info(struct snd_kcontrol *kcontrol,
 817				     struct snd_ctl_elem_info *uinfo)
 818{
 819	static const char *const texts[2] = {
 820		"Analog",
 821		"S/PDIF"
 822	};
 823
 824	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
 825}
 826
 827static int snd_mbox1_src_switch_resume(struct usb_mixer_elem_list *list)
 828{
 829	return snd_mbox1_src_switch_update(list->mixer, list->kctl->private_value);
 830}
 831
 832static const struct snd_kcontrol_new snd_mbox1_clk_switch = {
 833	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 834	.name = "Clock Source",
 835	.index = 0,
 836	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 837	.info = snd_mbox1_clk_switch_info,
 838	.get = snd_mbox1_clk_switch_get,
 839	.put = snd_mbox1_clk_switch_put,
 840	.private_value = 0
 841};
 842
 843static const struct snd_kcontrol_new snd_mbox1_src_switch = {
 844	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 845	.name = "Input Source",
 846	.index = 1,
 847	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 848	.info = snd_mbox1_src_switch_info,
 849	.get = snd_mbox1_src_switch_get,
 850	.put = snd_mbox1_src_switch_put,
 851	.private_value = 0
 852};
 853
 854static int snd_mbox1_controls_create(struct usb_mixer_interface *mixer)
 855{
 856	int err;
 857	err = add_single_ctl_with_resume(mixer, 0,
 858					 snd_mbox1_clk_switch_resume,
 859					 &snd_mbox1_clk_switch, NULL);
 860	if (err < 0)
 861		return err;
 862
 863	return add_single_ctl_with_resume(mixer, 1,
 864					  snd_mbox1_src_switch_resume,
 865					  &snd_mbox1_src_switch, NULL);
 866}
 867
 868/* Native Instruments device quirks */
 869
 870#define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 871
 872static int snd_ni_control_init_val(struct usb_mixer_interface *mixer,
 873				   struct snd_kcontrol *kctl)
 874{
 875	struct usb_device *dev = mixer->chip->dev;
 876	unsigned int pval = kctl->private_value;
 877	u8 value;
 878	int err;
 879
 880	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 881			      (pval >> 16) & 0xff,
 882			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 883			      0, pval & 0xffff, &value, 1);
 884	if (err < 0) {
 885		dev_err(&dev->dev,
 886			"unable to issue vendor read request (ret = %d)", err);
 887		return err;
 888	}
 889
 890	kctl->private_value |= ((unsigned int)value << 24);
 891	return 0;
 892}
 893
 894static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 895					     struct snd_ctl_elem_value *ucontrol)
 896{
 897	ucontrol->value.integer.value[0] = kcontrol->private_value >> 24;
 898	return 0;
 899}
 900
 901static int snd_ni_update_cur_val(struct usb_mixer_elem_list *list)
 902{
 903	struct snd_usb_audio *chip = list->mixer->chip;
 904	unsigned int pval = list->kctl->private_value;
 905	int err;
 906
 907	err = snd_usb_lock_shutdown(chip);
 908	if (err < 0)
 909		return err;
 910	err = usb_control_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0),
 911			      (pval >> 16) & 0xff,
 912			      USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 913			      pval >> 24, pval & 0xffff, NULL, 0, 1000);
 914	snd_usb_unlock_shutdown(chip);
 915	return err;
 916}
 917
 918static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 919					     struct snd_ctl_elem_value *ucontrol)
 920{
 921	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
 922	u8 oldval = (kcontrol->private_value >> 24) & 0xff;
 923	u8 newval = ucontrol->value.integer.value[0];
 924	int err;
 925
 926	if (oldval == newval)
 927		return 0;
 928
 929	kcontrol->private_value &= ~(0xff << 24);
 930	kcontrol->private_value |= (unsigned int)newval << 24;
 931	err = snd_ni_update_cur_val(list);
 932	return err < 0 ? err : 1;
 933}
 934
 935static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 936	{
 937		.name = "Direct Thru Channel A",
 938		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 939	},
 940	{
 941		.name = "Direct Thru Channel B",
 942		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 943	},
 944	{
 945		.name = "Phono Input Channel A",
 946		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 947	},
 948	{
 949		.name = "Phono Input Channel B",
 950		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 951	},
 952};
 953
 954static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 955	{
 956		.name = "Direct Thru Channel A",
 957		.private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 958	},
 959	{
 960		.name = "Direct Thru Channel B",
 961		.private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 962	},
 963	{
 964		.name = "Direct Thru Channel C",
 965		.private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 966	},
 967	{
 968		.name = "Direct Thru Channel D",
 969		.private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 970	},
 971	{
 972		.name = "Phono Input Channel A",
 973		.private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 974	},
 975	{
 976		.name = "Phono Input Channel B",
 977		.private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 978	},
 979	{
 980		.name = "Phono Input Channel C",
 981		.private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 982	},
 983	{
 984		.name = "Phono Input Channel D",
 985		.private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 986	},
 987};
 988
 989static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 990					      const struct snd_kcontrol_new *kc,
 991					      unsigned int count)
 992{
 993	int i, err = 0;
 994	struct snd_kcontrol_new template = {
 995		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 996		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 997		.get = snd_nativeinstruments_control_get,
 998		.put = snd_nativeinstruments_control_put,
 999		.info = snd_ctl_boolean_mono_info,
1000	};
1001
1002	for (i = 0; i < count; i++) {
1003		struct usb_mixer_elem_list *list;
1004
1005		template.name = kc[i].name;
1006		template.private_value = kc[i].private_value;
1007
1008		err = add_single_ctl_with_resume(mixer, 0,
1009						 snd_ni_update_cur_val,
1010						 &template, &list);
1011		if (err < 0)
1012			break;
1013		snd_ni_control_init_val(mixer, list->kctl);
1014	}
1015
1016	return err;
1017}
1018
1019/* M-Audio FastTrack Ultra quirks */
1020/* FTU Effect switch (also used by C400/C600) */
1021static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
1022					struct snd_ctl_elem_info *uinfo)
1023{
1024	static const char *const texts[8] = {
1025		"Room 1", "Room 2", "Room 3", "Hall 1",
1026		"Hall 2", "Plate", "Delay", "Echo"
1027	};
1028
1029	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1030}
1031
1032static int snd_ftu_eff_switch_init(struct usb_mixer_interface *mixer,
1033				   struct snd_kcontrol *kctl)
1034{
1035	struct usb_device *dev = mixer->chip->dev;
1036	unsigned int pval = kctl->private_value;
1037	int err;
1038	unsigned char value[2];
1039
1040	value[0] = 0x00;
1041	value[1] = 0x00;
1042
1043	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR,
1044			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
1045			      pval & 0xff00,
1046			      snd_usb_ctrl_intf(mixer->chip) | ((pval & 0xff) << 8),
1047			      value, 2);
1048	if (err < 0)
1049		return err;
1050
1051	kctl->private_value |= (unsigned int)value[0] << 24;
1052	return 0;
1053}
1054
1055static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
1056					struct snd_ctl_elem_value *ucontrol)
1057{
1058	ucontrol->value.enumerated.item[0] = kctl->private_value >> 24;
1059	return 0;
1060}
1061
1062static int snd_ftu_eff_switch_update(struct usb_mixer_elem_list *list)
1063{
1064	struct snd_usb_audio *chip = list->mixer->chip;
1065	unsigned int pval = list->kctl->private_value;
1066	unsigned char value[2];
1067	int err;
1068
1069	value[0] = pval >> 24;
1070	value[1] = 0;
1071
1072	err = snd_usb_lock_shutdown(chip);
1073	if (err < 0)
1074		return err;
1075	err = snd_usb_ctl_msg(chip->dev,
1076			      usb_sndctrlpipe(chip->dev, 0),
1077			      UAC_SET_CUR,
1078			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
1079			      pval & 0xff00,
1080			      snd_usb_ctrl_intf(chip) | ((pval & 0xff) << 8),
1081			      value, 2);
1082	snd_usb_unlock_shutdown(chip);
1083	return err;
1084}
1085
1086static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
1087					struct snd_ctl_elem_value *ucontrol)
1088{
1089	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
1090	unsigned int pval = list->kctl->private_value;
1091	int cur_val, err, new_val;
1092
1093	cur_val = pval >> 24;
1094	new_val = ucontrol->value.enumerated.item[0];
1095	if (cur_val == new_val)
1096		return 0;
1097
1098	kctl->private_value &= ~(0xff << 24);
1099	kctl->private_value |= new_val << 24;
1100	err = snd_ftu_eff_switch_update(list);
1101	return err < 0 ? err : 1;
1102}
1103
1104static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
1105	int validx, int bUnitID)
1106{
1107	static struct snd_kcontrol_new template = {
1108		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1109		.name = "Effect Program Switch",
1110		.index = 0,
1111		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
1112		.info = snd_ftu_eff_switch_info,
1113		.get = snd_ftu_eff_switch_get,
1114		.put = snd_ftu_eff_switch_put
1115	};
1116	struct usb_mixer_elem_list *list;
1117	int err;
1118
1119	err = add_single_ctl_with_resume(mixer, bUnitID,
1120					 snd_ftu_eff_switch_update,
1121					 &template, &list);
1122	if (err < 0)
1123		return err;
1124	list->kctl->private_value = (validx << 8) | bUnitID;
1125	snd_ftu_eff_switch_init(mixer, list->kctl);
1126	return 0;
1127}
1128
1129/* Create volume controls for FTU devices*/
1130static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
1131{
1132	char name[64];
1133	unsigned int control, cmask;
1134	int in, out, err;
1135
1136	const unsigned int id = 5;
1137	const int val_type = USB_MIXER_S16;
1138
1139	for (out = 0; out < 8; out++) {
1140		control = out + 1;
1141		for (in = 0; in < 8; in++) {
1142			cmask = 1 << in;
1143			snprintf(name, sizeof(name),
1144				"AIn%d - Out%d Capture Volume",
1145				in  + 1, out + 1);
1146			err = snd_create_std_mono_ctl(mixer, id, control,
1147							cmask, val_type, name,
1148							&snd_usb_mixer_vol_tlv);
1149			if (err < 0)
1150				return err;
1151		}
1152		for (in = 8; in < 16; in++) {
1153			cmask = 1 << in;
1154			snprintf(name, sizeof(name),
1155				"DIn%d - Out%d Playback Volume",
1156				in - 7, out + 1);
1157			err = snd_create_std_mono_ctl(mixer, id, control,
1158							cmask, val_type, name,
1159							&snd_usb_mixer_vol_tlv);
1160			if (err < 0)
1161				return err;
1162		}
1163	}
1164
1165	return 0;
1166}
1167
1168/* This control needs a volume quirk, see mixer.c */
1169static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1170{
1171	static const char name[] = "Effect Volume";
1172	const unsigned int id = 6;
1173	const int val_type = USB_MIXER_U8;
1174	const unsigned int control = 2;
1175	const unsigned int cmask = 0;
1176
1177	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1178					name, snd_usb_mixer_vol_tlv);
1179}
1180
1181/* This control needs a volume quirk, see mixer.c */
1182static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1183{
1184	static const char name[] = "Effect Duration";
1185	const unsigned int id = 6;
1186	const int val_type = USB_MIXER_S16;
1187	const unsigned int control = 3;
1188	const unsigned int cmask = 0;
1189
1190	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1191					name, snd_usb_mixer_vol_tlv);
1192}
1193
1194/* This control needs a volume quirk, see mixer.c */
1195static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1196{
1197	static const char name[] = "Effect Feedback Volume";
1198	const unsigned int id = 6;
1199	const int val_type = USB_MIXER_U8;
1200	const unsigned int control = 4;
1201	const unsigned int cmask = 0;
1202
1203	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1204					name, NULL);
1205}
1206
1207static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
1208{
1209	unsigned int cmask;
1210	int err, ch;
1211	char name[48];
1212
1213	const unsigned int id = 7;
1214	const int val_type = USB_MIXER_S16;
1215	const unsigned int control = 7;
1216
1217	for (ch = 0; ch < 4; ++ch) {
1218		cmask = 1 << ch;
1219		snprintf(name, sizeof(name),
1220			"Effect Return %d Volume", ch + 1);
1221		err = snd_create_std_mono_ctl(mixer, id, control,
1222						cmask, val_type, name,
1223						snd_usb_mixer_vol_tlv);
1224		if (err < 0)
1225			return err;
1226	}
1227
1228	return 0;
1229}
1230
1231static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
1232{
1233	unsigned int  cmask;
1234	int err, ch;
1235	char name[48];
1236
1237	const unsigned int id = 5;
1238	const int val_type = USB_MIXER_S16;
1239	const unsigned int control = 9;
1240
1241	for (ch = 0; ch < 8; ++ch) {
1242		cmask = 1 << ch;
1243		snprintf(name, sizeof(name),
1244			"Effect Send AIn%d Volume", ch + 1);
1245		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1246						val_type, name,
1247						snd_usb_mixer_vol_tlv);
1248		if (err < 0)
1249			return err;
1250	}
1251	for (ch = 8; ch < 16; ++ch) {
1252		cmask = 1 << ch;
1253		snprintf(name, sizeof(name),
1254			"Effect Send DIn%d Volume", ch - 7);
1255		err = snd_create_std_mono_ctl(mixer, id, control, cmask,
1256						val_type, name,
1257						snd_usb_mixer_vol_tlv);
1258		if (err < 0)
1259			return err;
1260	}
1261	return 0;
1262}
1263
1264static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
1265{
1266	int err;
1267
1268	err = snd_ftu_create_volume_ctls(mixer);
1269	if (err < 0)
1270		return err;
1271
1272	err = snd_ftu_create_effect_switch(mixer, 1, 6);
1273	if (err < 0)
1274		return err;
1275
1276	err = snd_ftu_create_effect_volume_ctl(mixer);
1277	if (err < 0)
1278		return err;
1279
1280	err = snd_ftu_create_effect_duration_ctl(mixer);
1281	if (err < 0)
1282		return err;
1283
1284	err = snd_ftu_create_effect_feedback_ctl(mixer);
1285	if (err < 0)
1286		return err;
1287
1288	err = snd_ftu_create_effect_return_ctls(mixer);
1289	if (err < 0)
1290		return err;
1291
1292	err = snd_ftu_create_effect_send_ctls(mixer);
1293	if (err < 0)
1294		return err;
1295
1296	return 0;
1297}
1298
1299void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1300			       unsigned char samplerate_id)
1301{
1302	struct usb_mixer_interface *mixer;
1303	struct usb_mixer_elem_info *cval;
1304	int unitid = 12; /* SampleRate ExtensionUnit ID */
1305
1306	list_for_each_entry(mixer, &chip->mixer_list, list) {
1307		if (mixer->id_elems[unitid]) {
1308			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);
1309			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1310						    cval->control << 8,
1311						    samplerate_id);
1312			snd_usb_mixer_notify_id(mixer, unitid);
1313			break;
1314		}
1315	}
1316}
1317
1318/* M-Audio Fast Track C400/C600 */
1319/* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1320static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1321{
1322	char name[64];
1323	unsigned int cmask, offset;
1324	int out, chan, err;
1325	int num_outs = 0;
1326	int num_ins = 0;
1327
1328	const unsigned int id = 0x40;
1329	const int val_type = USB_MIXER_S16;
1330	const int control = 1;
1331
1332	switch (mixer->chip->usb_id) {
1333	case USB_ID(0x0763, 0x2030):
1334		num_outs = 6;
1335		num_ins = 4;
1336		break;
1337	case USB_ID(0x0763, 0x2031):
1338		num_outs = 8;
1339		num_ins = 6;
1340		break;
1341	}
1342
1343	for (chan = 0; chan < num_outs + num_ins; chan++) {
1344		for (out = 0; out < num_outs; out++) {
1345			if (chan < num_outs) {
1346				snprintf(name, sizeof(name),
1347					"PCM%d-Out%d Playback Volume",
1348					chan + 1, out + 1);
1349			} else {
1350				snprintf(name, sizeof(name),
1351					"In%d-Out%d Playback Volume",
1352					chan - num_outs + 1, out + 1);
1353			}
1354
1355			cmask = (out == 0) ? 0 : 1 << (out - 1);
1356			offset = chan * num_outs;
1357			err = snd_create_std_mono_ctl_offset(mixer, id, control,
1358						cmask, val_type, offset, name,
1359						&snd_usb_mixer_vol_tlv);
1360			if (err < 0)
1361				return err;
1362		}
1363	}
1364
1365	return 0;
1366}
1367
1368/* This control needs a volume quirk, see mixer.c */
1369static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1370{
1371	static const char name[] = "Effect Volume";
1372	const unsigned int id = 0x43;
1373	const int val_type = USB_MIXER_U8;
1374	const unsigned int control = 3;
1375	const unsigned int cmask = 0;
1376
1377	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1378					name, snd_usb_mixer_vol_tlv);
1379}
1380
1381/* This control needs a volume quirk, see mixer.c */
1382static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1383{
1384	static const char name[] = "Effect Duration";
1385	const unsigned int id = 0x43;
1386	const int val_type = USB_MIXER_S16;
1387	const unsigned int control = 4;
1388	const unsigned int cmask = 0;
1389
1390	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1391					name, snd_usb_mixer_vol_tlv);
1392}
1393
1394/* This control needs a volume quirk, see mixer.c */
1395static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1396{
1397	static const char name[] = "Effect Feedback Volume";
1398	const unsigned int id = 0x43;
1399	const int val_type = USB_MIXER_U8;
1400	const unsigned int control = 5;
1401	const unsigned int cmask = 0;
1402
1403	return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1404					name, NULL);
1405}
1406
1407static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1408{
1409	char name[64];
1410	unsigned int cmask;
1411	int chan, err;
1412	int num_outs = 0;
1413	int num_ins = 0;
1414
1415	const unsigned int id = 0x42;
1416	const int val_type = USB_MIXER_S16;
1417	const int control = 1;
1418
1419	switch (mixer->chip->usb_id) {
1420	case USB_ID(0x0763, 0x2030):
1421		num_outs = 6;
1422		num_ins = 4;
1423		break;
1424	case USB_ID(0x0763, 0x2031):
1425		num_outs = 8;
1426		num_ins = 6;
1427		break;
1428	}
1429
1430	for (chan = 0; chan < num_outs + num_ins; chan++) {
1431		if (chan < num_outs) {
1432			snprintf(name, sizeof(name),
1433				"Effect Send DOut%d",
1434				chan + 1);
1435		} else {
1436			snprintf(name, sizeof(name),
1437				"Effect Send AIn%d",
1438				chan - num_outs + 1);
1439		}
1440
1441		cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1442		err = snd_create_std_mono_ctl(mixer, id, control,
1443						cmask, val_type, name,
1444						&snd_usb_mixer_vol_tlv);
1445		if (err < 0)
1446			return err;
1447	}
1448
1449	return 0;
1450}
1451
1452static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1453{
1454	char name[64];
1455	unsigned int cmask;
1456	int chan, err;
1457	int num_outs = 0;
1458	int offset = 0;
1459
1460	const unsigned int id = 0x40;
1461	const int val_type = USB_MIXER_S16;
1462	const int control = 1;
1463
1464	switch (mixer->chip->usb_id) {
1465	case USB_ID(0x0763, 0x2030):
1466		num_outs = 6;
1467		offset = 0x3c;
1468		/* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1469		break;
1470	case USB_ID(0x0763, 0x2031):
1471		num_outs = 8;
1472		offset = 0x70;
1473		/* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1474		break;
1475	}
1476
1477	for (chan = 0; chan < num_outs; chan++) {
1478		snprintf(name, sizeof(name),
1479			"Effect Return %d",
1480			chan + 1);
1481
1482		cmask = (chan == 0) ? 0 :
1483			1 << (chan + (chan % 2) * num_outs - 1);
1484		err = snd_create_std_mono_ctl_offset(mixer, id, control,
1485						cmask, val_type, offset, name,
1486						&snd_usb_mixer_vol_tlv);
1487		if (err < 0)
1488			return err;
1489	}
1490
1491	return 0;
1492}
1493
1494static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1495{
1496	int err;
1497
1498	err = snd_c400_create_vol_ctls(mixer);
1499	if (err < 0)
1500		return err;
1501
1502	err = snd_c400_create_effect_vol_ctls(mixer);
1503	if (err < 0)
1504		return err;
1505
1506	err = snd_c400_create_effect_ret_vol_ctls(mixer);
1507	if (err < 0)
1508		return err;
1509
1510	err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1511	if (err < 0)
1512		return err;
1513
1514	err = snd_c400_create_effect_volume_ctl(mixer);
1515	if (err < 0)
1516		return err;
1517
1518	err = snd_c400_create_effect_duration_ctl(mixer);
1519	if (err < 0)
1520		return err;
1521
1522	err = snd_c400_create_effect_feedback_ctl(mixer);
1523	if (err < 0)
1524		return err;
1525
1526	return 0;
1527}
1528
1529/*
1530 * The mixer units for Ebox-44 are corrupt, and even where they
1531 * are valid they presents mono controls as L and R channels of
1532 * stereo. So we provide a good mixer here.
1533 */
1534static const struct std_mono_table ebox44_table[] = {
1535	{
1536		.unitid = 4,
1537		.control = 1,
1538		.cmask = 0x0,
1539		.val_type = USB_MIXER_INV_BOOLEAN,
1540		.name = "Headphone Playback Switch"
1541	},
1542	{
1543		.unitid = 4,
1544		.control = 2,
1545		.cmask = 0x1,
1546		.val_type = USB_MIXER_S16,
1547		.name = "Headphone A Mix Playback Volume"
1548	},
1549	{
1550		.unitid = 4,
1551		.control = 2,
1552		.cmask = 0x2,
1553		.val_type = USB_MIXER_S16,
1554		.name = "Headphone B Mix Playback Volume"
1555	},
1556
1557	{
1558		.unitid = 7,
1559		.control = 1,
1560		.cmask = 0x0,
1561		.val_type = USB_MIXER_INV_BOOLEAN,
1562		.name = "Output Playback Switch"
1563	},
1564	{
1565		.unitid = 7,
1566		.control = 2,
1567		.cmask = 0x1,
1568		.val_type = USB_MIXER_S16,
1569		.name = "Output A Playback Volume"
1570	},
1571	{
1572		.unitid = 7,
1573		.control = 2,
1574		.cmask = 0x2,
1575		.val_type = USB_MIXER_S16,
1576		.name = "Output B Playback Volume"
1577	},
1578
1579	{
1580		.unitid = 10,
1581		.control = 1,
1582		.cmask = 0x0,
1583		.val_type = USB_MIXER_INV_BOOLEAN,
1584		.name = "Input Capture Switch"
1585	},
1586	{
1587		.unitid = 10,
1588		.control = 2,
1589		.cmask = 0x1,
1590		.val_type = USB_MIXER_S16,
1591		.name = "Input A Capture Volume"
1592	},
1593	{
1594		.unitid = 10,
1595		.control = 2,
1596		.cmask = 0x2,
1597		.val_type = USB_MIXER_S16,
1598		.name = "Input B Capture Volume"
1599	},
1600
1601	{}
1602};
1603
1604/* Audio Advantage Micro II findings:
1605 *
1606 * Mapping spdif AES bits to vendor register.bit:
1607 * AES0: [0 0 0 0 2.3 2.2 2.1 2.0] - default 0x00
1608 * AES1: [3.3 3.2.3.1.3.0 2.7 2.6 2.5 2.4] - default: 0x01
1609 * AES2: [0 0 0 0 0 0 0 0]
1610 * AES3: [0 0 0 0 0 0 x 0] - 'x' bit is set basing on standard usb request
1611 *                           (UAC_EP_CS_ATTR_SAMPLE_RATE) for Audio Devices
1612 *
1613 * power on values:
1614 * r2: 0x10
1615 * r3: 0x20 (b7 is zeroed just before playback (except IEC61937) and set
1616 *           just after it to 0xa0, presumably it disables/mutes some analog
1617 *           parts when there is no audio.)
1618 * r9: 0x28
1619 *
1620 * Optical transmitter on/off:
1621 * vendor register.bit: 9.1
1622 * 0 - on (0x28 register value)
1623 * 1 - off (0x2a register value)
1624 *
1625 */
1626static int snd_microii_spdif_info(struct snd_kcontrol *kcontrol,
1627	struct snd_ctl_elem_info *uinfo)
1628{
1629	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1630	uinfo->count = 1;
1631	return 0;
1632}
1633
1634static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
1635	struct snd_ctl_elem_value *ucontrol)
1636{
1637	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1638	struct snd_usb_audio *chip = list->mixer->chip;
1639	int err;
1640	struct usb_interface *iface;
1641	struct usb_host_interface *alts;
1642	unsigned int ep;
1643	unsigned char data[3];
1644	int rate;
1645
1646	err = snd_usb_lock_shutdown(chip);
1647	if (err < 0)
1648		return err;
1649
1650	ucontrol->value.iec958.status[0] = kcontrol->private_value & 0xff;
1651	ucontrol->value.iec958.status[1] = (kcontrol->private_value >> 8) & 0xff;
1652	ucontrol->value.iec958.status[2] = 0x00;
1653
1654	/* use known values for that card: interface#1 altsetting#1 */
1655	iface = usb_ifnum_to_if(chip->dev, 1);
1656	if (!iface || iface->num_altsetting < 2) {
1657		err = -EINVAL;
1658		goto end;
1659	}
1660	alts = &iface->altsetting[1];
1661	if (get_iface_desc(alts)->bNumEndpoints < 1) {
1662		err = -EINVAL;
1663		goto end;
1664	}
1665	ep = get_endpoint(alts, 0)->bEndpointAddress;
1666
1667	err = snd_usb_ctl_msg(chip->dev,
1668			usb_rcvctrlpipe(chip->dev, 0),
1669			UAC_GET_CUR,
1670			USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN,
1671			UAC_EP_CS_ATTR_SAMPLE_RATE << 8,
1672			ep,
1673			data,
1674			sizeof(data));
1675	if (err < 0)
1676		goto end;
1677
1678	rate = data[0] | (data[1] << 8) | (data[2] << 16);
1679	ucontrol->value.iec958.status[3] = (rate == 48000) ?
1680			IEC958_AES3_CON_FS_48000 : IEC958_AES3_CON_FS_44100;
1681
1682	err = 0;
1683 end:
1684	snd_usb_unlock_shutdown(chip);
1685	return err;
1686}
1687
1688static int snd_microii_spdif_default_update(struct usb_mixer_elem_list *list)
1689{
1690	struct snd_usb_audio *chip = list->mixer->chip;
1691	unsigned int pval = list->kctl->private_value;
1692	u8 reg;
1693	int err;
1694
1695	err = snd_usb_lock_shutdown(chip);
1696	if (err < 0)
1697		return err;
1698
1699	reg = ((pval >> 4) & 0xf0) | (pval & 0x0f);
1700	err = snd_usb_ctl_msg(chip->dev,
1701			usb_sndctrlpipe(chip->dev, 0),
1702			UAC_SET_CUR,
1703			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1704			reg,
1705			2,
1706			NULL,
1707			0);
1708	if (err < 0)
1709		goto end;
1710
1711	reg = (pval & IEC958_AES0_NONAUDIO) ? 0xa0 : 0x20;
1712	reg |= (pval >> 12) & 0x0f;
1713	err = snd_usb_ctl_msg(chip->dev,
1714			usb_sndctrlpipe(chip->dev, 0),
1715			UAC_SET_CUR,
1716			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1717			reg,
1718			3,
1719			NULL,
1720			0);
1721	if (err < 0)
1722		goto end;
1723
1724 end:
1725	snd_usb_unlock_shutdown(chip);
1726	return err;
1727}
1728
1729static int snd_microii_spdif_default_put(struct snd_kcontrol *kcontrol,
1730	struct snd_ctl_elem_value *ucontrol)
1731{
1732	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1733	unsigned int pval, pval_old;
1734	int err;
1735
1736	pval = pval_old = kcontrol->private_value;
1737	pval &= 0xfffff0f0;
1738	pval |= (ucontrol->value.iec958.status[1] & 0x0f) << 8;
1739	pval |= (ucontrol->value.iec958.status[0] & 0x0f);
1740
1741	pval &= 0xffff0fff;
1742	pval |= (ucontrol->value.iec958.status[1] & 0xf0) << 8;
1743
1744	/* The frequency bits in AES3 cannot be set via register access. */
1745
1746	/* Silently ignore any bits from the request that cannot be set. */
1747
1748	if (pval == pval_old)
1749		return 0;
1750
1751	kcontrol->private_value = pval;
1752	err = snd_microii_spdif_default_update(list);
1753	return err < 0 ? err : 1;
1754}
1755
1756static int snd_microii_spdif_mask_get(struct snd_kcontrol *kcontrol,
1757	struct snd_ctl_elem_value *ucontrol)
1758{
1759	ucontrol->value.iec958.status[0] = 0x0f;
1760	ucontrol->value.iec958.status[1] = 0xff;
1761	ucontrol->value.iec958.status[2] = 0x00;
1762	ucontrol->value.iec958.status[3] = 0x00;
1763
1764	return 0;
1765}
1766
1767static int snd_microii_spdif_switch_get(struct snd_kcontrol *kcontrol,
1768	struct snd_ctl_elem_value *ucontrol)
1769{
1770	ucontrol->value.integer.value[0] = !(kcontrol->private_value & 0x02);
1771
1772	return 0;
1773}
1774
1775static int snd_microii_spdif_switch_update(struct usb_mixer_elem_list *list)
1776{
1777	struct snd_usb_audio *chip = list->mixer->chip;
1778	u8 reg = list->kctl->private_value;
1779	int err;
1780
1781	err = snd_usb_lock_shutdown(chip);
1782	if (err < 0)
1783		return err;
1784
1785	err = snd_usb_ctl_msg(chip->dev,
1786			usb_sndctrlpipe(chip->dev, 0),
1787			UAC_SET_CUR,
1788			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
1789			reg,
1790			9,
1791			NULL,
1792			0);
1793
1794	snd_usb_unlock_shutdown(chip);
1795	return err;
1796}
1797
1798static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
1799	struct snd_ctl_elem_value *ucontrol)
1800{
1801	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1802	u8 reg;
1803	int err;
1804
1805	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
1806	if (reg != list->kctl->private_value)
1807		return 0;
1808
1809	kcontrol->private_value = reg;
1810	err = snd_microii_spdif_switch_update(list);
1811	return err < 0 ? err : 1;
1812}
1813
1814static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
1815	{
1816		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1817		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
1818		.info =     snd_microii_spdif_info,
1819		.get =      snd_microii_spdif_default_get,
1820		.put =      snd_microii_spdif_default_put,
1821		.private_value = 0x00000100UL,/* reset value */
1822	},
1823	{
1824		.access =   SNDRV_CTL_ELEM_ACCESS_READ,
1825		.iface =    SNDRV_CTL_ELEM_IFACE_PCM,
1826		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
1827		.info =     snd_microii_spdif_info,
1828		.get =      snd_microii_spdif_mask_get,
1829	},
1830	{
1831		.iface =    SNDRV_CTL_ELEM_IFACE_MIXER,
1832		.name =     SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
1833		.info =     snd_ctl_boolean_mono_info,
1834		.get =      snd_microii_spdif_switch_get,
1835		.put =      snd_microii_spdif_switch_put,
1836		.private_value = 0x00000028UL,/* reset value */
1837	}
1838};
1839
1840static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
1841{
1842	int err, i;
1843	static const usb_mixer_elem_resume_func_t resume_funcs[] = {
1844		snd_microii_spdif_default_update,
1845		NULL,
1846		snd_microii_spdif_switch_update
1847	};
1848
1849	for (i = 0; i < ARRAY_SIZE(snd_microii_mixer_spdif); ++i) {
1850		err = add_single_ctl_with_resume(mixer, 0,
1851						 resume_funcs[i],
1852						 &snd_microii_mixer_spdif[i],
1853						 NULL);
1854		if (err < 0)
1855			return err;
1856	}
1857
1858	return 0;
1859}
1860
1861/* Creative Sound Blaster E1 */
1862
1863static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
1864					  struct snd_ctl_elem_value *ucontrol)
1865{
1866	ucontrol->value.integer.value[0] = kcontrol->private_value;
1867	return 0;
1868}
1869
1870static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
1871					     unsigned char state)
1872{
1873	struct snd_usb_audio *chip = mixer->chip;
1874	int err;
1875	unsigned char buff[2];
1876
1877	buff[0] = 0x02;
1878	buff[1] = state ? 0x02 : 0x00;
1879
1880	err = snd_usb_lock_shutdown(chip);
1881	if (err < 0)
1882		return err;
1883	err = snd_usb_ctl_msg(chip->dev,
1884			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
1885			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
1886			0x0202, 3, buff, 2);
1887	snd_usb_unlock_shutdown(chip);
1888	return err;
1889}
1890
1891static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
1892					  struct snd_ctl_elem_value *ucontrol)
1893{
1894	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
1895	unsigned char value = !!ucontrol->value.integer.value[0];
1896	int err;
1897
1898	if (kcontrol->private_value == value)
1899		return 0;
1900	kcontrol->private_value = value;
1901	err = snd_soundblaster_e1_switch_update(list->mixer, value);
1902	return err < 0 ? err : 1;
1903}
1904
1905static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
1906{
1907	return snd_soundblaster_e1_switch_update(list->mixer,
1908						 list->kctl->private_value);
1909}
1910
1911static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
1912					   struct snd_ctl_elem_info *uinfo)
1913{
1914	static const char *const texts[2] = {
1915		"Mic", "Aux"
1916	};
1917
1918	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
1919}
1920
1921static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
1922	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1923	.name = "Input Source",
1924	.info = snd_soundblaster_e1_switch_info,
1925	.get = snd_soundblaster_e1_switch_get,
1926	.put = snd_soundblaster_e1_switch_put,
1927	.private_value = 0,
1928};
1929
1930static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
1931{
1932	return add_single_ctl_with_resume(mixer, 0,
1933					  snd_soundblaster_e1_switch_resume,
1934					  &snd_soundblaster_e1_input_switch,
1935					  NULL);
1936}
1937
1938/*
1939 * Dell WD15 dock jack detection
1940 *
1941 * The WD15 contains an ALC4020 USB audio controller and ALC3263 audio codec
1942 * from Realtek. It is a UAC 1 device, and UAC 1 does not support jack
1943 * detection. Instead, jack detection works by sending HD Audio commands over
1944 * vendor-type USB messages.
1945 */
1946
1947#define HDA_VERB_CMD(V, N, D) (((N) << 20) | ((V) << 8) | (D))
1948
1949#define REALTEK_HDA_VALUE 0x0038
1950
1951#define REALTEK_HDA_SET		62
1952#define REALTEK_MANUAL_MODE	72
1953#define REALTEK_HDA_GET_OUT	88
1954#define REALTEK_HDA_GET_IN	89
1955
1956#define REALTEK_AUDIO_FUNCTION_GROUP	0x01
1957#define REALTEK_LINE1			0x1a
1958#define REALTEK_VENDOR_REGISTERS	0x20
1959#define REALTEK_HP_OUT			0x21
1960
1961#define REALTEK_CBJ_CTRL2 0x50
1962
1963#define REALTEK_JACK_INTERRUPT_NODE 5
1964
1965#define REALTEK_MIC_FLAG 0x100
1966
1967static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd)
1968{
1969	struct usb_device *dev = chip->dev;
1970	__be32 buf = cpu_to_be32(cmd);
1971
1972	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET,
1973			       USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
1974			       REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1975}
1976
1977static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value)
1978{
1979	struct usb_device *dev = chip->dev;
1980	int err;
1981	__be32 buf = cpu_to_be32(cmd);
1982
1983	err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT,
1984			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
1985			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1986	if (err < 0)
1987		return err;
1988	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), REALTEK_HDA_GET_IN,
1989			      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_IN,
1990			      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
1991	if (err < 0)
1992		return err;
1993
1994	*value = be32_to_cpu(buf);
1995	return 0;
1996}
1997
1998static int realtek_ctl_connector_get(struct snd_kcontrol *kcontrol,
1999				     struct snd_ctl_elem_value *ucontrol)
2000{
2001	struct usb_mixer_elem_info *cval = kcontrol->private_data;
2002	struct snd_usb_audio *chip = cval->head.mixer->chip;
2003	u32 pv = kcontrol->private_value;
2004	u32 node_id = pv & 0xff;
2005	u32 sense;
2006	u32 cbj_ctrl2;
2007	bool presence;
2008	int err;
2009
2010	err = snd_usb_lock_shutdown(chip);
2011	if (err < 0)
2012		return err;
2013	err = realtek_hda_get(chip,
2014			      HDA_VERB_CMD(AC_VERB_GET_PIN_SENSE, node_id, 0),
2015			      &sense);
2016	if (err < 0)
2017		goto err;
2018	if (pv & REALTEK_MIC_FLAG) {
2019		err = realtek_hda_set(chip,
2020				      HDA_VERB_CMD(AC_VERB_SET_COEF_INDEX,
2021						   REALTEK_VENDOR_REGISTERS,
2022						   REALTEK_CBJ_CTRL2));
2023		if (err < 0)
2024			goto err;
2025		err = realtek_hda_get(chip,
2026				      HDA_VERB_CMD(AC_VERB_GET_PROC_COEF,
2027						   REALTEK_VENDOR_REGISTERS, 0),
2028				      &cbj_ctrl2);
2029		if (err < 0)
2030			goto err;
2031	}
2032err:
2033	snd_usb_unlock_shutdown(chip);
2034	if (err < 0)
2035		return err;
2036
2037	presence = sense & AC_PINSENSE_PRESENCE;
2038	if (pv & REALTEK_MIC_FLAG)
2039		presence = presence && (cbj_ctrl2 & 0x0070) == 0x0070;
2040	ucontrol->value.integer.value[0] = presence;
2041	return 0;
2042}
2043
2044static const struct snd_kcontrol_new realtek_connector_ctl_ro = {
2045	.iface = SNDRV_CTL_ELEM_IFACE_CARD,
2046	.name = "", /* will be filled later manually */
2047	.access = SNDRV_CTL_ELEM_ACCESS_READ,
2048	.info = snd_ctl_boolean_mono_info,
2049	.get = realtek_ctl_connector_get,
2050};
2051
2052static int realtek_resume_jack(struct usb_mixer_elem_list *list)
2053{
2054	snd_ctl_notify(list->mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
2055		       &list->kctl->id);
2056	return 0;
2057}
2058
2059static int realtek_add_jack(struct usb_mixer_interface *mixer,
2060			    char *name, u32 val)
2061{
2062	struct usb_mixer_elem_info *cval;
2063	struct snd_kcontrol *kctl;
2064
2065	cval = kzalloc(sizeof(*cval), GFP_KERNEL);
2066	if (!cval)
2067		return -ENOMEM;
2068	snd_usb_mixer_elem_init_std(&cval->head, mixer,
2069				    REALTEK_JACK_INTERRUPT_NODE);
2070	cval->head.resume = realtek_resume_jack;
2071	cval->val_type = USB_MIXER_BOOLEAN;
2072	cval->channels = 1;
2073	cval->min = 0;
2074	cval->max = 1;
2075	kctl = snd_ctl_new1(&realtek_connector_ctl_ro, cval);
2076	if (!kctl) {
2077		kfree(cval);
2078		return -ENOMEM;
2079	}
2080	kctl->private_value = val;
2081	strscpy(kctl->id.name, name, sizeof(kctl->id.name));
2082	kctl->private_free = snd_usb_mixer_elem_free;
2083	return snd_usb_mixer_add_control(&cval->head, kctl);
2084}
2085
2086static int dell_dock_mixer_create(struct usb_mixer_interface *mixer)
2087{
2088	int err;
2089	struct usb_device *dev = mixer->chip->dev;
2090
2091	/* Power down the audio codec to avoid loud pops in the next step. */
2092	realtek_hda_set(mixer->chip,
2093			HDA_VERB_CMD(AC_VERB_SET_POWER_STATE,
2094				     REALTEK_AUDIO_FUNCTION_GROUP,
2095				     AC_PWRST_D3));
2096
2097	/*
2098	 * Turn off 'manual mode' in case it was enabled. This removes the need
2099	 * to power cycle the dock after it was attached to a Windows machine.
2100	 */
2101	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_MANUAL_MODE,
2102			USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
2103			0, 0, NULL, 0);
2104
2105	err = realtek_add_jack(mixer, "Line Out Jack", REALTEK_LINE1);
2106	if (err < 0)
2107		return err;
2108	err = realtek_add_jack(mixer, "Headphone Jack", REALTEK_HP_OUT);
2109	if (err < 0)
2110		return err;
2111	err = realtek_add_jack(mixer, "Headset Mic Jack",
2112			       REALTEK_HP_OUT | REALTEK_MIC_FLAG);
2113	if (err < 0)
2114		return err;
2115	return 0;
2116}
2117
2118static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id)
2119{
 
2120	u16 buf = 0;
2121
2122	snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
2123			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
2124			(UAC_FU_VOLUME << 8) | ch,
2125			snd_usb_ctrl_intf(chip) | (id << 8),
2126			&buf, 2);
2127}
2128
2129static int dell_dock_mixer_init(struct usb_mixer_interface *mixer)
2130{
2131	/* fix to 0dB playback volumes */
2132	dell_dock_init_vol(mixer->chip, 1, 16);
2133	dell_dock_init_vol(mixer->chip, 2, 16);
2134	dell_dock_init_vol(mixer->chip, 1, 19);
2135	dell_dock_init_vol(mixer->chip, 2, 19);
2136	return 0;
2137}
2138
2139/* RME Class Compliant device quirks */
2140
2141#define SND_RME_GET_STATUS1			23
2142#define SND_RME_GET_CURRENT_FREQ		17
2143#define SND_RME_CLK_SYSTEM_SHIFT		16
2144#define SND_RME_CLK_SYSTEM_MASK			0x1f
2145#define SND_RME_CLK_AES_SHIFT			8
2146#define SND_RME_CLK_SPDIF_SHIFT			12
2147#define SND_RME_CLK_AES_SPDIF_MASK		0xf
2148#define SND_RME_CLK_SYNC_SHIFT			6
2149#define SND_RME_CLK_SYNC_MASK			0x3
2150#define SND_RME_CLK_FREQMUL_SHIFT		18
2151#define SND_RME_CLK_FREQMUL_MASK		0x7
2152#define SND_RME_CLK_SYSTEM(x) \
2153	((x >> SND_RME_CLK_SYSTEM_SHIFT) & SND_RME_CLK_SYSTEM_MASK)
2154#define SND_RME_CLK_AES(x) \
2155	((x >> SND_RME_CLK_AES_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2156#define SND_RME_CLK_SPDIF(x) \
2157	((x >> SND_RME_CLK_SPDIF_SHIFT) & SND_RME_CLK_AES_SPDIF_MASK)
2158#define SND_RME_CLK_SYNC(x) \
2159	((x >> SND_RME_CLK_SYNC_SHIFT) & SND_RME_CLK_SYNC_MASK)
2160#define SND_RME_CLK_FREQMUL(x) \
2161	((x >> SND_RME_CLK_FREQMUL_SHIFT) & SND_RME_CLK_FREQMUL_MASK)
2162#define SND_RME_CLK_AES_LOCK			0x1
2163#define SND_RME_CLK_AES_SYNC			0x4
2164#define SND_RME_CLK_SPDIF_LOCK			0x2
2165#define SND_RME_CLK_SPDIF_SYNC			0x8
2166#define SND_RME_SPDIF_IF_SHIFT			4
2167#define SND_RME_SPDIF_FORMAT_SHIFT		5
2168#define SND_RME_BINARY_MASK			0x1
2169#define SND_RME_SPDIF_IF(x) \
2170	((x >> SND_RME_SPDIF_IF_SHIFT) & SND_RME_BINARY_MASK)
2171#define SND_RME_SPDIF_FORMAT(x) \
2172	((x >> SND_RME_SPDIF_FORMAT_SHIFT) & SND_RME_BINARY_MASK)
2173
2174static const u32 snd_rme_rate_table[] = {
2175	32000, 44100, 48000, 50000,
2176	64000, 88200, 96000, 100000,
2177	128000, 176400, 192000, 200000,
2178	256000,	352800, 384000, 400000,
2179	512000, 705600, 768000, 800000
2180};
2181/* maximum number of items for AES and S/PDIF rates for above table */
2182#define SND_RME_RATE_IDX_AES_SPDIF_NUM		12
2183
2184enum snd_rme_domain {
2185	SND_RME_DOMAIN_SYSTEM,
2186	SND_RME_DOMAIN_AES,
2187	SND_RME_DOMAIN_SPDIF
2188};
2189
2190enum snd_rme_clock_status {
2191	SND_RME_CLOCK_NOLOCK,
2192	SND_RME_CLOCK_LOCK,
2193	SND_RME_CLOCK_SYNC
2194};
2195
2196static int snd_rme_read_value(struct snd_usb_audio *chip,
2197			      unsigned int item,
2198			      u32 *value)
2199{
2200	struct usb_device *dev = chip->dev;
2201	int err;
2202
2203	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
2204			      item,
2205			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2206			      0, 0,
2207			      value, sizeof(*value));
2208	if (err < 0)
2209		dev_err(&dev->dev,
2210			"unable to issue vendor read request %d (ret = %d)",
2211			item, err);
2212	return err;
2213}
2214
2215static int snd_rme_get_status1(struct snd_kcontrol *kcontrol,
2216			       u32 *status1)
2217{
2218	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2219	struct snd_usb_audio *chip = list->mixer->chip;
2220	int err;
2221
2222	err = snd_usb_lock_shutdown(chip);
2223	if (err < 0)
2224		return err;
2225	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, status1);
2226	snd_usb_unlock_shutdown(chip);
2227	return err;
2228}
2229
2230static int snd_rme_rate_get(struct snd_kcontrol *kcontrol,
2231			    struct snd_ctl_elem_value *ucontrol)
2232{
2233	u32 status1;
2234	u32 rate = 0;
2235	int idx;
2236	int err;
2237
2238	err = snd_rme_get_status1(kcontrol, &status1);
2239	if (err < 0)
2240		return err;
2241	switch (kcontrol->private_value) {
2242	case SND_RME_DOMAIN_SYSTEM:
2243		idx = SND_RME_CLK_SYSTEM(status1);
2244		if (idx < ARRAY_SIZE(snd_rme_rate_table))
2245			rate = snd_rme_rate_table[idx];
2246		break;
2247	case SND_RME_DOMAIN_AES:
2248		idx = SND_RME_CLK_AES(status1);
2249		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2250			rate = snd_rme_rate_table[idx];
2251		break;
2252	case SND_RME_DOMAIN_SPDIF:
2253		idx = SND_RME_CLK_SPDIF(status1);
2254		if (idx < SND_RME_RATE_IDX_AES_SPDIF_NUM)
2255			rate = snd_rme_rate_table[idx];
2256		break;
2257	default:
2258		return -EINVAL;
2259	}
2260	ucontrol->value.integer.value[0] = rate;
2261	return 0;
2262}
2263
2264static int snd_rme_sync_state_get(struct snd_kcontrol *kcontrol,
2265				  struct snd_ctl_elem_value *ucontrol)
2266{
2267	u32 status1;
2268	int idx = SND_RME_CLOCK_NOLOCK;
2269	int err;
2270
2271	err = snd_rme_get_status1(kcontrol, &status1);
2272	if (err < 0)
2273		return err;
2274	switch (kcontrol->private_value) {
2275	case SND_RME_DOMAIN_AES:  /* AES */
2276		if (status1 & SND_RME_CLK_AES_SYNC)
2277			idx = SND_RME_CLOCK_SYNC;
2278		else if (status1 & SND_RME_CLK_AES_LOCK)
2279			idx = SND_RME_CLOCK_LOCK;
2280		break;
2281	case SND_RME_DOMAIN_SPDIF:  /* SPDIF */
2282		if (status1 & SND_RME_CLK_SPDIF_SYNC)
2283			idx = SND_RME_CLOCK_SYNC;
2284		else if (status1 & SND_RME_CLK_SPDIF_LOCK)
2285			idx = SND_RME_CLOCK_LOCK;
2286		break;
2287	default:
2288		return -EINVAL;
2289	}
2290	ucontrol->value.enumerated.item[0] = idx;
2291	return 0;
2292}
2293
2294static int snd_rme_spdif_if_get(struct snd_kcontrol *kcontrol,
2295				struct snd_ctl_elem_value *ucontrol)
2296{
2297	u32 status1;
2298	int err;
2299
2300	err = snd_rme_get_status1(kcontrol, &status1);
2301	if (err < 0)
2302		return err;
2303	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_IF(status1);
2304	return 0;
2305}
2306
2307static int snd_rme_spdif_format_get(struct snd_kcontrol *kcontrol,
2308				    struct snd_ctl_elem_value *ucontrol)
2309{
2310	u32 status1;
2311	int err;
2312
2313	err = snd_rme_get_status1(kcontrol, &status1);
2314	if (err < 0)
2315		return err;
2316	ucontrol->value.enumerated.item[0] = SND_RME_SPDIF_FORMAT(status1);
2317	return 0;
2318}
2319
2320static int snd_rme_sync_source_get(struct snd_kcontrol *kcontrol,
2321				   struct snd_ctl_elem_value *ucontrol)
2322{
2323	u32 status1;
2324	int err;
2325
2326	err = snd_rme_get_status1(kcontrol, &status1);
2327	if (err < 0)
2328		return err;
2329	ucontrol->value.enumerated.item[0] = SND_RME_CLK_SYNC(status1);
2330	return 0;
2331}
2332
2333static int snd_rme_current_freq_get(struct snd_kcontrol *kcontrol,
2334				    struct snd_ctl_elem_value *ucontrol)
2335{
2336	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2337	struct snd_usb_audio *chip = list->mixer->chip;
2338	u32 status1;
2339	const u64 num = 104857600000000ULL;
2340	u32 den;
2341	unsigned int freq;
2342	int err;
2343
2344	err = snd_usb_lock_shutdown(chip);
2345	if (err < 0)
2346		return err;
2347	err = snd_rme_read_value(chip, SND_RME_GET_STATUS1, &status1);
2348	if (err < 0)
2349		goto end;
2350	err = snd_rme_read_value(chip, SND_RME_GET_CURRENT_FREQ, &den);
2351	if (err < 0)
2352		goto end;
2353	freq = (den == 0) ? 0 : div64_u64(num, den);
2354	freq <<= SND_RME_CLK_FREQMUL(status1);
2355	ucontrol->value.integer.value[0] = freq;
2356
2357end:
2358	snd_usb_unlock_shutdown(chip);
2359	return err;
2360}
2361
2362static int snd_rme_rate_info(struct snd_kcontrol *kcontrol,
2363			     struct snd_ctl_elem_info *uinfo)
2364{
2365	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2366	uinfo->count = 1;
2367	switch (kcontrol->private_value) {
2368	case SND_RME_DOMAIN_SYSTEM:
2369		uinfo->value.integer.min = 32000;
2370		uinfo->value.integer.max = 800000;
2371		break;
2372	case SND_RME_DOMAIN_AES:
2373	case SND_RME_DOMAIN_SPDIF:
2374	default:
2375		uinfo->value.integer.min = 0;
2376		uinfo->value.integer.max = 200000;
2377	}
2378	uinfo->value.integer.step = 0;
2379	return 0;
2380}
2381
2382static int snd_rme_sync_state_info(struct snd_kcontrol *kcontrol,
2383				   struct snd_ctl_elem_info *uinfo)
2384{
2385	static const char *const sync_states[] = {
2386		"No Lock", "Lock", "Sync"
2387	};
2388
2389	return snd_ctl_enum_info(uinfo, 1,
2390				 ARRAY_SIZE(sync_states), sync_states);
2391}
2392
2393static int snd_rme_spdif_if_info(struct snd_kcontrol *kcontrol,
2394				 struct snd_ctl_elem_info *uinfo)
2395{
2396	static const char *const spdif_if[] = {
2397		"Coaxial", "Optical"
2398	};
2399
2400	return snd_ctl_enum_info(uinfo, 1,
2401				 ARRAY_SIZE(spdif_if), spdif_if);
2402}
2403
2404static int snd_rme_spdif_format_info(struct snd_kcontrol *kcontrol,
2405				     struct snd_ctl_elem_info *uinfo)
2406{
2407	static const char *const optical_type[] = {
2408		"Consumer", "Professional"
2409	};
2410
2411	return snd_ctl_enum_info(uinfo, 1,
2412				 ARRAY_SIZE(optical_type), optical_type);
2413}
2414
2415static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol,
2416				    struct snd_ctl_elem_info *uinfo)
2417{
2418	static const char *const sync_sources[] = {
2419		"Internal", "AES", "SPDIF", "Internal"
2420	};
2421
2422	return snd_ctl_enum_info(uinfo, 1,
2423				 ARRAY_SIZE(sync_sources), sync_sources);
2424}
2425
2426static const struct snd_kcontrol_new snd_rme_controls[] = {
2427	{
2428		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2429		.name = "AES Rate",
2430		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2431		.info = snd_rme_rate_info,
2432		.get = snd_rme_rate_get,
2433		.private_value = SND_RME_DOMAIN_AES
2434	},
2435	{
2436		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2437		.name = "AES Sync",
2438		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2439		.info = snd_rme_sync_state_info,
2440		.get = snd_rme_sync_state_get,
2441		.private_value = SND_RME_DOMAIN_AES
2442	},
2443	{
2444		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2445		.name = "SPDIF Rate",
2446		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2447		.info = snd_rme_rate_info,
2448		.get = snd_rme_rate_get,
2449		.private_value = SND_RME_DOMAIN_SPDIF
2450	},
2451	{
2452		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2453		.name = "SPDIF Sync",
2454		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2455		.info = snd_rme_sync_state_info,
2456		.get = snd_rme_sync_state_get,
2457		.private_value = SND_RME_DOMAIN_SPDIF
2458	},
2459	{
2460		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2461		.name = "SPDIF Interface",
2462		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2463		.info = snd_rme_spdif_if_info,
2464		.get = snd_rme_spdif_if_get,
2465	},
2466	{
2467		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2468		.name = "SPDIF Format",
2469		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2470		.info = snd_rme_spdif_format_info,
2471		.get = snd_rme_spdif_format_get,
2472	},
2473	{
2474		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2475		.name = "Sync Source",
2476		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2477		.info = snd_rme_sync_source_info,
2478		.get = snd_rme_sync_source_get
2479	},
2480	{
2481		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2482		.name = "System Rate",
2483		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2484		.info = snd_rme_rate_info,
2485		.get = snd_rme_rate_get,
2486		.private_value = SND_RME_DOMAIN_SYSTEM
2487	},
2488	{
2489		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2490		.name = "Current Frequency",
2491		.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
2492		.info = snd_rme_rate_info,
2493		.get = snd_rme_current_freq_get
2494	}
2495};
2496
2497static int snd_rme_controls_create(struct usb_mixer_interface *mixer)
2498{
2499	int err, i;
2500
2501	for (i = 0; i < ARRAY_SIZE(snd_rme_controls); ++i) {
2502		err = add_single_ctl_with_resume(mixer, 0,
2503						 NULL,
2504						 &snd_rme_controls[i],
2505						 NULL);
2506		if (err < 0)
2507			return err;
2508	}
2509
2510	return 0;
2511}
2512
2513/*
2514 * RME Babyface Pro (FS)
2515 *
2516 * These devices exposes a couple of DSP functions via request to EP0.
2517 * Switches are available via control registers, while routing is controlled
2518 * by controlling the volume on each possible crossing point.
2519 * Volume control is linear, from -inf (dec. 0) to +6dB (dec. 65536) with
2520 * 0dB being at dec. 32768.
2521 */
2522enum {
2523	SND_BBFPRO_CTL_REG1 = 0,
2524	SND_BBFPRO_CTL_REG2
2525};
2526
2527#define SND_BBFPRO_CTL_REG_MASK 1
2528#define SND_BBFPRO_CTL_IDX_MASK 0xff
2529#define SND_BBFPRO_CTL_IDX_SHIFT 1
2530#define SND_BBFPRO_CTL_VAL_MASK 1
2531#define SND_BBFPRO_CTL_VAL_SHIFT 9
2532#define SND_BBFPRO_CTL_REG1_CLK_MASTER 0
2533#define SND_BBFPRO_CTL_REG1_CLK_OPTICAL 1
2534#define SND_BBFPRO_CTL_REG1_SPDIF_PRO 7
2535#define SND_BBFPRO_CTL_REG1_SPDIF_EMPH 8
2536#define SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL 10
2537#define SND_BBFPRO_CTL_REG2_48V_AN1 0
2538#define SND_BBFPRO_CTL_REG2_48V_AN2 1
2539#define SND_BBFPRO_CTL_REG2_SENS_IN3 2
2540#define SND_BBFPRO_CTL_REG2_SENS_IN4 3
2541#define SND_BBFPRO_CTL_REG2_PAD_AN1 4
2542#define SND_BBFPRO_CTL_REG2_PAD_AN2 5
2543
2544#define SND_BBFPRO_MIXER_IDX_MASK 0x1ff
 
2545#define SND_BBFPRO_MIXER_VAL_MASK 0x3ffff
2546#define SND_BBFPRO_MIXER_VAL_SHIFT 9
2547#define SND_BBFPRO_MIXER_VAL_MIN 0 // -inf
2548#define SND_BBFPRO_MIXER_VAL_MAX 65536 // +6dB
2549
 
 
 
 
 
 
 
2550#define SND_BBFPRO_USBREQ_CTL_REG1 0x10
2551#define SND_BBFPRO_USBREQ_CTL_REG2 0x17
 
2552#define SND_BBFPRO_USBREQ_MIXER 0x12
2553
2554static int snd_bbfpro_ctl_update(struct usb_mixer_interface *mixer, u8 reg,
2555				 u8 index, u8 value)
2556{
2557	int err;
2558	u16 usb_req, usb_idx, usb_val;
2559	struct snd_usb_audio *chip = mixer->chip;
2560
2561	err = snd_usb_lock_shutdown(chip);
2562	if (err < 0)
2563		return err;
2564
2565	if (reg == SND_BBFPRO_CTL_REG1) {
2566		usb_req = SND_BBFPRO_USBREQ_CTL_REG1;
2567		if (index == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2568			usb_idx = 3;
2569			usb_val = value ? 3 : 0;
2570		} else {
2571			usb_idx = 1 << index;
2572			usb_val = value ? usb_idx : 0;
2573		}
2574	} else {
2575		usb_req = SND_BBFPRO_USBREQ_CTL_REG2;
2576		usb_idx = 1 << index;
2577		usb_val = value ? usb_idx : 0;
2578	}
2579
2580	err = snd_usb_ctl_msg(chip->dev,
2581			      usb_sndctrlpipe(chip->dev, 0), usb_req,
2582			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
2583			      usb_val, usb_idx, NULL, 0);
2584
2585	snd_usb_unlock_shutdown(chip);
2586	return err;
2587}
2588
2589static int snd_bbfpro_ctl_get(struct snd_kcontrol *kcontrol,
2590			      struct snd_ctl_elem_value *ucontrol)
2591{
2592	u8 reg, idx, val;
2593	int pv;
2594
2595	pv = kcontrol->private_value;
2596	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2597	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2598	val = kcontrol->private_value >> SND_BBFPRO_CTL_VAL_SHIFT;
2599
2600	if ((reg == SND_BBFPRO_CTL_REG1 &&
2601	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2602	    (reg == SND_BBFPRO_CTL_REG2 &&
2603	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2604	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2605		ucontrol->value.enumerated.item[0] = val;
2606	} else {
2607		ucontrol->value.integer.value[0] = val;
2608	}
2609	return 0;
2610}
2611
2612static int snd_bbfpro_ctl_info(struct snd_kcontrol *kcontrol,
2613			       struct snd_ctl_elem_info *uinfo)
2614{
2615	u8 reg, idx;
2616	int pv;
2617
2618	pv = kcontrol->private_value;
2619	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2620	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2621
2622	if (reg == SND_BBFPRO_CTL_REG1 &&
2623	    idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) {
2624		static const char * const texts[2] = {
2625			"AutoSync",
2626			"Internal"
2627		};
2628		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2629	} else if (reg == SND_BBFPRO_CTL_REG2 &&
2630		   (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2631		    idx == SND_BBFPRO_CTL_REG2_SENS_IN4)) {
2632		static const char * const texts[2] = {
2633			"-10dBV",
2634			"+4dBu"
2635		};
2636		return snd_ctl_enum_info(uinfo, 1, 2, texts);
2637	}
2638
2639	uinfo->count = 1;
2640	uinfo->value.integer.min = 0;
2641	uinfo->value.integer.max = 1;
2642	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2643	return 0;
2644}
2645
2646static int snd_bbfpro_ctl_put(struct snd_kcontrol *kcontrol,
2647			      struct snd_ctl_elem_value *ucontrol)
2648{
2649	int err;
2650	u8 reg, idx;
2651	int old_value, pv, val;
2652
2653	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2654	struct usb_mixer_interface *mixer = list->mixer;
2655
2656	pv = kcontrol->private_value;
2657	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2658	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2659	old_value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2660
2661	if ((reg == SND_BBFPRO_CTL_REG1 &&
2662	     idx == SND_BBFPRO_CTL_REG1_CLK_OPTICAL) ||
2663	    (reg == SND_BBFPRO_CTL_REG2 &&
2664	    (idx == SND_BBFPRO_CTL_REG2_SENS_IN3 ||
2665	     idx == SND_BBFPRO_CTL_REG2_SENS_IN4))) {
2666		val = ucontrol->value.enumerated.item[0];
2667	} else {
2668		val = ucontrol->value.integer.value[0];
2669	}
2670
2671	if (val > 1)
2672		return -EINVAL;
2673
2674	if (val == old_value)
2675		return 0;
2676
2677	kcontrol->private_value = reg
2678		| ((idx & SND_BBFPRO_CTL_IDX_MASK) << SND_BBFPRO_CTL_IDX_SHIFT)
2679		| ((val & SND_BBFPRO_CTL_VAL_MASK) << SND_BBFPRO_CTL_VAL_SHIFT);
2680
2681	err = snd_bbfpro_ctl_update(mixer, reg, idx, val);
2682	return err < 0 ? err : 1;
2683}
2684
2685static int snd_bbfpro_ctl_resume(struct usb_mixer_elem_list *list)
2686{
2687	u8 reg, idx;
2688	int value, pv;
2689
2690	pv = list->kctl->private_value;
2691	reg = pv & SND_BBFPRO_CTL_REG_MASK;
2692	idx = (pv >> SND_BBFPRO_CTL_IDX_SHIFT) & SND_BBFPRO_CTL_IDX_MASK;
2693	value = (pv >> SND_BBFPRO_CTL_VAL_SHIFT) & SND_BBFPRO_CTL_VAL_MASK;
2694
2695	return snd_bbfpro_ctl_update(list->mixer, reg, idx, value);
2696}
2697
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2698static int snd_bbfpro_vol_update(struct usb_mixer_interface *mixer, u16 index,
2699				 u32 value)
2700{
2701	struct snd_usb_audio *chip = mixer->chip;
2702	int err;
2703	u16 idx;
2704	u16 usb_idx, usb_val;
2705	u32 v;
2706
2707	err = snd_usb_lock_shutdown(chip);
2708	if (err < 0)
2709		return err;
2710
2711	idx = index & SND_BBFPRO_MIXER_IDX_MASK;
2712	// 18 bit linear volume, split so 2 bits end up in index.
2713	v = value & SND_BBFPRO_MIXER_VAL_MASK;
2714	usb_idx = idx | (v & 0x3) << 14;
2715	usb_val = (v >> 2) & 0xffff;
2716
2717	err = snd_usb_ctl_msg(chip->dev,
2718			      usb_sndctrlpipe(chip->dev, 0),
2719			      SND_BBFPRO_USBREQ_MIXER,
2720			      USB_DIR_OUT | USB_TYPE_VENDOR |
2721			      USB_RECIP_DEVICE,
2722			      usb_val, usb_idx, NULL, 0);
2723
2724	snd_usb_unlock_shutdown(chip);
2725	return err;
2726}
2727
2728static int snd_bbfpro_vol_get(struct snd_kcontrol *kcontrol,
2729			      struct snd_ctl_elem_value *ucontrol)
2730{
2731	ucontrol->value.integer.value[0] =
2732		kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2733	return 0;
2734}
2735
2736static int snd_bbfpro_vol_info(struct snd_kcontrol *kcontrol,
2737			       struct snd_ctl_elem_info *uinfo)
2738{
2739	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2740	uinfo->count = 1;
2741	uinfo->value.integer.min = SND_BBFPRO_MIXER_VAL_MIN;
2742	uinfo->value.integer.max = SND_BBFPRO_MIXER_VAL_MAX;
2743	return 0;
2744}
2745
2746static int snd_bbfpro_vol_put(struct snd_kcontrol *kcontrol,
2747			      struct snd_ctl_elem_value *ucontrol)
2748{
2749	int err;
2750	u16 idx;
2751	u32 new_val, old_value, uvalue;
2752	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
2753	struct usb_mixer_interface *mixer = list->mixer;
2754
2755	uvalue = ucontrol->value.integer.value[0];
2756	idx = kcontrol->private_value & SND_BBFPRO_MIXER_IDX_MASK;
2757	old_value = kcontrol->private_value >> SND_BBFPRO_MIXER_VAL_SHIFT;
2758
2759	if (uvalue > SND_BBFPRO_MIXER_VAL_MAX)
2760		return -EINVAL;
2761
2762	if (uvalue == old_value)
2763		return 0;
2764
2765	new_val = uvalue & SND_BBFPRO_MIXER_VAL_MASK;
2766
2767	kcontrol->private_value = idx
2768		| (new_val << SND_BBFPRO_MIXER_VAL_SHIFT);
2769
2770	err = snd_bbfpro_vol_update(mixer, idx, new_val);
2771	return err < 0 ? err : 1;
2772}
2773
2774static int snd_bbfpro_vol_resume(struct usb_mixer_elem_list *list)
2775{
2776	int pv = list->kctl->private_value;
2777	u16 idx = pv & SND_BBFPRO_MIXER_IDX_MASK;
2778	u32 val = (pv >> SND_BBFPRO_MIXER_VAL_SHIFT)
2779		& SND_BBFPRO_MIXER_VAL_MASK;
2780	return snd_bbfpro_vol_update(list->mixer, idx, val);
2781}
2782
2783// Predfine elements
2784static const struct snd_kcontrol_new snd_bbfpro_ctl_control = {
2785	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2786	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2787	.index = 0,
2788	.info = snd_bbfpro_ctl_info,
2789	.get = snd_bbfpro_ctl_get,
2790	.put = snd_bbfpro_ctl_put
2791};
2792
 
 
 
 
 
 
 
 
 
2793static const struct snd_kcontrol_new snd_bbfpro_vol_control = {
2794	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2795	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
2796	.index = 0,
2797	.info = snd_bbfpro_vol_info,
2798	.get = snd_bbfpro_vol_get,
2799	.put = snd_bbfpro_vol_put
2800};
2801
2802static int snd_bbfpro_ctl_add(struct usb_mixer_interface *mixer, u8 reg,
2803			      u8 index, char *name)
2804{
2805	struct snd_kcontrol_new knew = snd_bbfpro_ctl_control;
2806
2807	knew.name = name;
2808	knew.private_value = (reg & SND_BBFPRO_CTL_REG_MASK)
2809		| ((index & SND_BBFPRO_CTL_IDX_MASK)
2810			<< SND_BBFPRO_CTL_IDX_SHIFT);
2811
2812	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_ctl_resume,
2813		&knew, NULL);
2814}
2815
 
 
 
 
 
 
 
 
 
 
 
 
2816static int snd_bbfpro_vol_add(struct usb_mixer_interface *mixer, u16 index,
2817			      char *name)
2818{
2819	struct snd_kcontrol_new knew = snd_bbfpro_vol_control;
2820
2821	knew.name = name;
2822	knew.private_value = index & SND_BBFPRO_MIXER_IDX_MASK;
2823
2824	return add_single_ctl_with_resume(mixer, 0, snd_bbfpro_vol_resume,
2825		&knew, NULL);
2826}
2827
2828static int snd_bbfpro_controls_create(struct usb_mixer_interface *mixer)
2829{
2830	int err, i, o;
2831	char name[48];
2832
2833	static const char * const input[] = {
2834		"AN1", "AN2", "IN3", "IN4", "AS1", "AS2", "ADAT3",
2835		"ADAT4", "ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2836
2837	static const char * const output[] = {
2838		"AN1", "AN2", "PH3", "PH4", "AS1", "AS2", "ADAT3", "ADAT4",
2839		"ADAT5", "ADAT6", "ADAT7", "ADAT8"};
2840
2841	for (o = 0 ; o < 12 ; ++o) {
2842		for (i = 0 ; i < 12 ; ++i) {
2843			// Line routing
2844			snprintf(name, sizeof(name),
2845				 "%s-%s-%s Playback Volume",
2846				 (i < 2 ? "Mic" : "Line"),
2847				 input[i], output[o]);
2848			err = snd_bbfpro_vol_add(mixer, (26 * o + i), name);
2849			if (err < 0)
2850				return err;
2851
2852			// PCM routing... yes, it is output remapping
2853			snprintf(name, sizeof(name),
2854				 "PCM-%s-%s Playback Volume",
2855				 output[i], output[o]);
2856			err = snd_bbfpro_vol_add(mixer, (26 * o + 12 + i),
2857						 name);
2858			if (err < 0)
2859				return err;
2860		}
2861	}
2862
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2863	// Control Reg 1
2864	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2865				 SND_BBFPRO_CTL_REG1_CLK_OPTICAL,
2866				 "Sample Clock Source");
2867	if (err < 0)
2868		return err;
2869
2870	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2871				 SND_BBFPRO_CTL_REG1_SPDIF_PRO,
2872				 "IEC958 Pro Mask");
2873	if (err < 0)
2874		return err;
2875
2876	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2877				 SND_BBFPRO_CTL_REG1_SPDIF_EMPH,
2878				 "IEC958 Emphasis");
2879	if (err < 0)
2880		return err;
2881
2882	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG1,
2883				 SND_BBFPRO_CTL_REG1_SPDIF_OPTICAL,
2884				 "IEC958 Switch");
2885	if (err < 0)
2886		return err;
2887
2888	// Control Reg 2
2889	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2890				 SND_BBFPRO_CTL_REG2_48V_AN1,
2891				 "Mic-AN1 48V");
2892	if (err < 0)
2893		return err;
2894
2895	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2896				 SND_BBFPRO_CTL_REG2_48V_AN2,
2897				 "Mic-AN2 48V");
2898	if (err < 0)
2899		return err;
2900
2901	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2902				 SND_BBFPRO_CTL_REG2_SENS_IN3,
2903				 "Line-IN3 Sens.");
2904	if (err < 0)
2905		return err;
2906
2907	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2908				 SND_BBFPRO_CTL_REG2_SENS_IN4,
2909				 "Line-IN4 Sens.");
2910	if (err < 0)
2911		return err;
2912
2913	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2914				 SND_BBFPRO_CTL_REG2_PAD_AN1,
2915				 "Mic-AN1 PAD");
2916	if (err < 0)
2917		return err;
2918
2919	err = snd_bbfpro_ctl_add(mixer, SND_BBFPRO_CTL_REG2,
2920				 SND_BBFPRO_CTL_REG2_PAD_AN2,
2921				 "Mic-AN2 PAD");
2922	if (err < 0)
2923		return err;
2924
2925	return 0;
2926}
2927
2928/*
2929 * Pioneer DJ DJM Mixers
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2930 *
2931 * These devices generally have options for soft-switching the playback and
2932 * capture sources in addition to the recording level. Although different
2933 * devices have different configurations, there seems to be canonical values
2934 * for specific capture/playback types:  See the definitions of these below.
2935 *
2936 * The wValue is masked with the stereo channel number. e.g. Setting Ch2 to
2937 * capture phono would be 0x0203. Capture, playback and capture level have
2938 * different wIndexes.
2939 */
2940
2941// Capture types
2942#define SND_DJM_CAP_LINE	0x00
2943#define SND_DJM_CAP_CDLINE	0x01
2944#define SND_DJM_CAP_DIGITAL	0x02
2945#define SND_DJM_CAP_PHONO	0x03
 
2946#define SND_DJM_CAP_PFADER	0x06
2947#define SND_DJM_CAP_XFADERA	0x07
2948#define SND_DJM_CAP_XFADERB	0x08
2949#define SND_DJM_CAP_MIC		0x09
2950#define SND_DJM_CAP_AUX		0x0d
2951#define SND_DJM_CAP_RECOUT	0x0a
 
2952#define SND_DJM_CAP_NONE	0x0f
2953#define SND_DJM_CAP_CH1PFADER	0x11
2954#define SND_DJM_CAP_CH2PFADER	0x12
2955#define SND_DJM_CAP_CH3PFADER	0x13
2956#define SND_DJM_CAP_CH4PFADER	0x14
 
 
 
 
2957
2958// Playback types
2959#define SND_DJM_PB_CH1		0x00
2960#define SND_DJM_PB_CH2		0x01
2961#define SND_DJM_PB_AUX		0x04
2962
2963#define SND_DJM_WINDEX_CAP	0x8002
2964#define SND_DJM_WINDEX_CAPLVL	0x8003
2965#define SND_DJM_WINDEX_PB	0x8016
2966
2967// kcontrol->private_value layout
2968#define SND_DJM_VALUE_MASK	0x0000ffff
2969#define SND_DJM_GROUP_MASK	0x00ff0000
2970#define SND_DJM_DEVICE_MASK	0xff000000
2971#define SND_DJM_GROUP_SHIFT	16
2972#define SND_DJM_DEVICE_SHIFT	24
2973
2974// device table index
2975// used for the snd_djm_devices table, so please update accordingly
2976#define SND_DJM_250MK2_IDX	0x0
2977#define SND_DJM_750_IDX		0x1
2978#define SND_DJM_850_IDX		0x2
2979#define SND_DJM_900NXS2_IDX	0x3
2980#define SND_DJM_750MK2_IDX	0x4
 
 
2981
2982
2983#define SND_DJM_CTL(_name, suffix, _default_value, _windex) { \
2984	.name = _name, \
2985	.options = snd_djm_opts_##suffix, \
2986	.noptions = ARRAY_SIZE(snd_djm_opts_##suffix), \
2987	.default_value = _default_value, \
2988	.wIndex = _windex }
2989
2990#define SND_DJM_DEVICE(suffix) { \
2991	.controls = snd_djm_ctls_##suffix, \
2992	.ncontrols = ARRAY_SIZE(snd_djm_ctls_##suffix) }
2993
2994
2995struct snd_djm_device {
2996	const char *name;
2997	const struct snd_djm_ctl *controls;
2998	size_t ncontrols;
2999};
3000
3001struct snd_djm_ctl {
3002	const char *name;
3003	const u16 *options;
3004	size_t noptions;
3005	u16 default_value;
3006	u16 wIndex;
3007};
3008
3009static const char *snd_djm_get_label_caplevel(u16 wvalue)
3010{
3011	switch (wvalue) {
3012	case 0x0000:	return "-19dB";
3013	case 0x0100:	return "-15dB";
3014	case 0x0200:	return "-10dB";
3015	case 0x0300:	return "-5dB";
3016	default:	return NULL;
3017	}
3018};
3019
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3020static const char *snd_djm_get_label_cap_common(u16 wvalue)
3021{
3022	switch (wvalue & 0x00ff) {
3023	case SND_DJM_CAP_LINE:		return "Control Tone LINE";
3024	case SND_DJM_CAP_CDLINE:	return "Control Tone CD/LINE";
3025	case SND_DJM_CAP_DIGITAL:	return "Control Tone DIGITAL";
3026	case SND_DJM_CAP_PHONO:		return "Control Tone PHONO";
3027	case SND_DJM_CAP_PFADER:	return "Post Fader";
3028	case SND_DJM_CAP_XFADERA:	return "Cross Fader A";
3029	case SND_DJM_CAP_XFADERB:	return "Cross Fader B";
3030	case SND_DJM_CAP_MIC:		return "Mic";
3031	case SND_DJM_CAP_RECOUT:	return "Rec Out";
 
3032	case SND_DJM_CAP_AUX:		return "Aux";
3033	case SND_DJM_CAP_NONE:		return "None";
 
 
 
 
3034	case SND_DJM_CAP_CH1PFADER:	return "Post Fader Ch1";
3035	case SND_DJM_CAP_CH2PFADER:	return "Post Fader Ch2";
3036	case SND_DJM_CAP_CH3PFADER:	return "Post Fader Ch3";
3037	case SND_DJM_CAP_CH4PFADER:	return "Post Fader Ch4";
3038	default:			return NULL;
3039	}
3040};
3041
3042// The DJM-850 has different values for CD/LINE and LINE capture
3043// control options than the other DJM declared in this file.
3044static const char *snd_djm_get_label_cap_850(u16 wvalue)
3045{
3046	switch (wvalue & 0x00ff) {
3047	case 0x00:		return "Control Tone CD/LINE";
3048	case 0x01:		return "Control Tone LINE";
3049	default:		return snd_djm_get_label_cap_common(wvalue);
3050	}
3051};
3052
 
 
 
 
 
 
 
 
3053static const char *snd_djm_get_label_cap(u8 device_idx, u16 wvalue)
3054{
3055	switch (device_idx) {
3056	case SND_DJM_850_IDX:		return snd_djm_get_label_cap_850(wvalue);
3057	default:			return snd_djm_get_label_cap_common(wvalue);
3058	}
3059};
3060
3061static const char *snd_djm_get_label_pb(u16 wvalue)
3062{
3063	switch (wvalue & 0x00ff) {
3064	case SND_DJM_PB_CH1:	return "Ch1";
3065	case SND_DJM_PB_CH2:	return "Ch2";
3066	case SND_DJM_PB_AUX:	return "Aux";
3067	default:		return NULL;
3068	}
3069};
3070
3071static const char *snd_djm_get_label(u8 device_idx, u16 wvalue, u16 windex)
3072{
3073	switch (windex) {
3074	case SND_DJM_WINDEX_CAPLVL:	return snd_djm_get_label_caplevel(wvalue);
3075	case SND_DJM_WINDEX_CAP:	return snd_djm_get_label_cap(device_idx, wvalue);
3076	case SND_DJM_WINDEX_PB:		return snd_djm_get_label_pb(wvalue);
3077	default:			return NULL;
3078	}
3079};
3080
3081// common DJM capture level option values
3082static const u16 snd_djm_opts_cap_level[] = {
3083	0x0000, 0x0100, 0x0200, 0x0300 };
3084
3085
3086// DJM-250MK2
3087static const u16 snd_djm_opts_250mk2_cap1[] = {
3088	0x0103, 0x0100, 0x0106, 0x0107, 0x0108, 0x0109, 0x010d, 0x010a };
3089
3090static const u16 snd_djm_opts_250mk2_cap2[] = {
3091	0x0203, 0x0200, 0x0206, 0x0207, 0x0208, 0x0209, 0x020d, 0x020a };
3092
3093static const u16 snd_djm_opts_250mk2_cap3[] = {
3094	0x030a, 0x0311, 0x0312, 0x0307, 0x0308, 0x0309, 0x030d };
3095
3096static const u16 snd_djm_opts_250mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
3097static const u16 snd_djm_opts_250mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
3098static const u16 snd_djm_opts_250mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
3099
3100static const struct snd_djm_ctl snd_djm_ctls_250mk2[] = {
3101	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3102	SND_DJM_CTL("Ch1 Input",   250mk2_cap1, 2, SND_DJM_WINDEX_CAP),
3103	SND_DJM_CTL("Ch2 Input",   250mk2_cap2, 2, SND_DJM_WINDEX_CAP),
3104	SND_DJM_CTL("Ch3 Input",   250mk2_cap3, 0, SND_DJM_WINDEX_CAP),
3105	SND_DJM_CTL("Ch1 Output",   250mk2_pb1, 0, SND_DJM_WINDEX_PB),
3106	SND_DJM_CTL("Ch2 Output",   250mk2_pb2, 1, SND_DJM_WINDEX_PB),
3107	SND_DJM_CTL("Ch3 Output",   250mk2_pb3, 2, SND_DJM_WINDEX_PB)
3108};
3109
3110
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3111// DJM-750
3112static const u16 snd_djm_opts_750_cap1[] = {
3113	0x0101, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3114static const u16 snd_djm_opts_750_cap2[] = {
3115	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3116static const u16 snd_djm_opts_750_cap3[] = {
3117	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3118static const u16 snd_djm_opts_750_cap4[] = {
3119	0x0401, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
3120
3121static const struct snd_djm_ctl snd_djm_ctls_750[] = {
3122	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3123	SND_DJM_CTL("Ch1 Input",   750_cap1, 2, SND_DJM_WINDEX_CAP),
3124	SND_DJM_CTL("Ch2 Input",   750_cap2, 2, SND_DJM_WINDEX_CAP),
3125	SND_DJM_CTL("Ch3 Input",   750_cap3, 0, SND_DJM_WINDEX_CAP),
3126	SND_DJM_CTL("Ch4 Input",   750_cap4, 0, SND_DJM_WINDEX_CAP)
3127};
3128
3129
3130// DJM-850
3131static const u16 snd_djm_opts_850_cap1[] = {
3132	0x0100, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a, 0x010f };
3133static const u16 snd_djm_opts_850_cap2[] = {
3134	0x0200, 0x0201, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a, 0x020f };
3135static const u16 snd_djm_opts_850_cap3[] = {
3136	0x0300, 0x0301, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a, 0x030f };
3137static const u16 snd_djm_opts_850_cap4[] = {
3138	0x0400, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040f };
3139
3140static const struct snd_djm_ctl snd_djm_ctls_850[] = {
3141	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3142	SND_DJM_CTL("Ch1 Input",   850_cap1, 1, SND_DJM_WINDEX_CAP),
3143	SND_DJM_CTL("Ch2 Input",   850_cap2, 0, SND_DJM_WINDEX_CAP),
3144	SND_DJM_CTL("Ch3 Input",   850_cap3, 0, SND_DJM_WINDEX_CAP),
3145	SND_DJM_CTL("Ch4 Input",   850_cap4, 1, SND_DJM_WINDEX_CAP)
3146};
3147
3148
3149// DJM-900NXS2
3150static const u16 snd_djm_opts_900nxs2_cap1[] = {
3151	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
3152static const u16 snd_djm_opts_900nxs2_cap2[] = {
3153	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
3154static const u16 snd_djm_opts_900nxs2_cap3[] = {
3155	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
3156static const u16 snd_djm_opts_900nxs2_cap4[] = {
3157	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
3158static const u16 snd_djm_opts_900nxs2_cap5[] = {
3159	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
3160
3161static const struct snd_djm_ctl snd_djm_ctls_900nxs2[] = {
3162	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3163	SND_DJM_CTL("Ch1 Input",   900nxs2_cap1, 2, SND_DJM_WINDEX_CAP),
3164	SND_DJM_CTL("Ch2 Input",   900nxs2_cap2, 2, SND_DJM_WINDEX_CAP),
3165	SND_DJM_CTL("Ch3 Input",   900nxs2_cap3, 2, SND_DJM_WINDEX_CAP),
3166	SND_DJM_CTL("Ch4 Input",   900nxs2_cap4, 2, SND_DJM_WINDEX_CAP),
3167	SND_DJM_CTL("Ch5 Input",   900nxs2_cap5, 3, SND_DJM_WINDEX_CAP)
3168};
3169
3170// DJM-750MK2
3171static const u16 snd_djm_opts_750mk2_cap1[] = {
3172	0x0100, 0x0102, 0x0103, 0x0106, 0x0107, 0x0108, 0x0109, 0x010a };
3173static const u16 snd_djm_opts_750mk2_cap2[] = {
3174	0x0200, 0x0202, 0x0203, 0x0206, 0x0207, 0x0208, 0x0209, 0x020a };
3175static const u16 snd_djm_opts_750mk2_cap3[] = {
3176	0x0300, 0x0302, 0x0303, 0x0306, 0x0307, 0x0308, 0x0309, 0x030a };
3177static const u16 snd_djm_opts_750mk2_cap4[] = {
3178	0x0400, 0x0402, 0x0403, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a };
3179static const u16 snd_djm_opts_750mk2_cap5[] = {
3180	0x0507, 0x0508, 0x0509, 0x050a, 0x0511, 0x0512, 0x0513, 0x0514 };
3181
3182static const u16 snd_djm_opts_750mk2_pb1[] = { 0x0100, 0x0101, 0x0104 };
3183static const u16 snd_djm_opts_750mk2_pb2[] = { 0x0200, 0x0201, 0x0204 };
3184static const u16 snd_djm_opts_750mk2_pb3[] = { 0x0300, 0x0301, 0x0304 };
3185
3186
3187static const struct snd_djm_ctl snd_djm_ctls_750mk2[] = {
3188	SND_DJM_CTL("Capture Level", cap_level, 0, SND_DJM_WINDEX_CAPLVL),
3189	SND_DJM_CTL("Ch1 Input",   750mk2_cap1, 2, SND_DJM_WINDEX_CAP),
3190	SND_DJM_CTL("Ch2 Input",   750mk2_cap2, 2, SND_DJM_WINDEX_CAP),
3191	SND_DJM_CTL("Ch3 Input",   750mk2_cap3, 2, SND_DJM_WINDEX_CAP),
3192	SND_DJM_CTL("Ch4 Input",   750mk2_cap4, 2, SND_DJM_WINDEX_CAP),
3193	SND_DJM_CTL("Ch5 Input",   750mk2_cap5, 3, SND_DJM_WINDEX_CAP),
3194	SND_DJM_CTL("Ch1 Output",   750mk2_pb1, 0, SND_DJM_WINDEX_PB),
3195	SND_DJM_CTL("Ch2 Output",   750mk2_pb2, 1, SND_DJM_WINDEX_PB),
3196	SND_DJM_CTL("Ch3 Output",   750mk2_pb3, 2, SND_DJM_WINDEX_PB)
3197};
3198
3199
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3200static const struct snd_djm_device snd_djm_devices[] = {
3201	[SND_DJM_250MK2_IDX] = SND_DJM_DEVICE(250mk2),
3202	[SND_DJM_750_IDX] = SND_DJM_DEVICE(750),
3203	[SND_DJM_850_IDX] = SND_DJM_DEVICE(850),
3204	[SND_DJM_900NXS2_IDX] = SND_DJM_DEVICE(900nxs2),
3205	[SND_DJM_750MK2_IDX] = SND_DJM_DEVICE(750mk2),
 
 
3206};
3207
3208
3209static int snd_djm_controls_info(struct snd_kcontrol *kctl,
3210				struct snd_ctl_elem_info *info)
3211{
3212	unsigned long private_value = kctl->private_value;
3213	u8 device_idx = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3214	u8 ctl_idx = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3215	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3216	const char *name;
3217	const struct snd_djm_ctl *ctl;
3218	size_t noptions;
3219
3220	if (ctl_idx >= device->ncontrols)
3221		return -EINVAL;
3222
3223	ctl = &device->controls[ctl_idx];
3224	noptions = ctl->noptions;
3225	if (info->value.enumerated.item >= noptions)
3226		info->value.enumerated.item = noptions - 1;
3227
3228	name = snd_djm_get_label(device_idx,
3229				ctl->options[info->value.enumerated.item],
3230				ctl->wIndex);
3231	if (!name)
3232		return -EINVAL;
3233
3234	strscpy(info->value.enumerated.name, name, sizeof(info->value.enumerated.name));
3235	info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
3236	info->count = 1;
3237	info->value.enumerated.items = noptions;
3238	return 0;
3239}
3240
3241static int snd_djm_controls_update(struct usb_mixer_interface *mixer,
3242				u8 device_idx, u8 group, u16 value)
3243{
3244	int err;
3245	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3246
3247	if ((group >= device->ncontrols) || value >= device->controls[group].noptions)
3248		return -EINVAL;
3249
3250	err = snd_usb_lock_shutdown(mixer->chip);
3251	if (err)
3252		return err;
3253
3254	err = snd_usb_ctl_msg(
3255		mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0),
3256		USB_REQ_SET_FEATURE,
3257		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
3258		device->controls[group].options[value],
3259		device->controls[group].wIndex,
3260		NULL, 0);
3261
3262	snd_usb_unlock_shutdown(mixer->chip);
3263	return err;
3264}
3265
3266static int snd_djm_controls_get(struct snd_kcontrol *kctl,
3267				struct snd_ctl_elem_value *elem)
3268{
3269	elem->value.enumerated.item[0] = kctl->private_value & SND_DJM_VALUE_MASK;
3270	return 0;
3271}
3272
3273static int snd_djm_controls_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *elem)
3274{
3275	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kctl);
3276	struct usb_mixer_interface *mixer = list->mixer;
3277	unsigned long private_value = kctl->private_value;
3278
3279	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3280	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3281	u16 value = elem->value.enumerated.item[0];
3282
3283	kctl->private_value = (((unsigned long)device << SND_DJM_DEVICE_SHIFT) |
3284			      (group << SND_DJM_GROUP_SHIFT) |
3285			      value);
3286
3287	return snd_djm_controls_update(mixer, device, group, value);
3288}
3289
3290static int snd_djm_controls_resume(struct usb_mixer_elem_list *list)
3291{
3292	unsigned long private_value = list->kctl->private_value;
3293	u8 device = (private_value & SND_DJM_DEVICE_MASK) >> SND_DJM_DEVICE_SHIFT;
3294	u8 group = (private_value & SND_DJM_GROUP_MASK) >> SND_DJM_GROUP_SHIFT;
3295	u16 value = (private_value & SND_DJM_VALUE_MASK);
3296
3297	return snd_djm_controls_update(list->mixer, device, group, value);
3298}
3299
3300static int snd_djm_controls_create(struct usb_mixer_interface *mixer,
3301		const u8 device_idx)
3302{
3303	int err, i;
3304	u16 value;
3305
3306	const struct snd_djm_device *device = &snd_djm_devices[device_idx];
3307
3308	struct snd_kcontrol_new knew = {
3309		.iface  = SNDRV_CTL_ELEM_IFACE_MIXER,
3310		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
3311		.index = 0,
3312		.info = snd_djm_controls_info,
3313		.get  = snd_djm_controls_get,
3314		.put  = snd_djm_controls_put
3315	};
3316
3317	for (i = 0; i < device->ncontrols; i++) {
3318		value = device->controls[i].default_value;
3319		knew.name = device->controls[i].name;
3320		knew.private_value = (
3321			((unsigned long)device_idx << SND_DJM_DEVICE_SHIFT) |
3322			(i << SND_DJM_GROUP_SHIFT) |
3323			value);
3324		err = snd_djm_controls_update(mixer, device_idx, i, value);
3325		if (err)
3326			return err;
3327		err = add_single_ctl_with_resume(mixer, 0, snd_djm_controls_resume,
3328						 &knew, NULL);
3329		if (err)
3330			return err;
3331	}
3332	return 0;
3333}
3334
3335int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
3336{
3337	int err = 0;
3338
3339	err = snd_usb_soundblaster_remote_init(mixer);
3340	if (err < 0)
3341		return err;
3342
3343	switch (mixer->chip->usb_id) {
3344	/* Tascam US-16x08 */
3345	case USB_ID(0x0644, 0x8047):
3346		err = snd_us16x08_controls_create(mixer);
3347		break;
3348	case USB_ID(0x041e, 0x3020):
3349	case USB_ID(0x041e, 0x3040):
3350	case USB_ID(0x041e, 0x3042):
3351	case USB_ID(0x041e, 0x30df):
3352	case USB_ID(0x041e, 0x3048):
3353		err = snd_audigy2nx_controls_create(mixer);
3354		if (err < 0)
3355			break;
3356		snd_card_ro_proc_new(mixer->chip->card, "audigy2nx",
3357				     mixer, snd_audigy2nx_proc_read);
3358		break;
3359
3360	/* EMU0204 */
3361	case USB_ID(0x041e, 0x3f19):
3362		err = snd_emu0204_controls_create(mixer);
3363		break;
3364
3365	case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
3366	case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
3367		err = snd_c400_create_mixer(mixer);
3368		break;
3369
3370	case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
3371	case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
3372		err = snd_ftu_create_mixer(mixer);
3373		break;
3374
3375	case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
3376	case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
3377	case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
3378		err = snd_xonar_u1_controls_create(mixer);
3379		break;
3380
3381	case USB_ID(0x0d8c, 0x0103): /* Audio Advantage Micro II */
3382		err = snd_microii_controls_create(mixer);
3383		break;
3384
3385	case USB_ID(0x0dba, 0x1000): /* Digidesign Mbox 1 */
3386		err = snd_mbox1_controls_create(mixer);
3387		break;
3388
3389	case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
3390		err = snd_nativeinstruments_create_mixer(mixer,
3391				snd_nativeinstruments_ta6_mixers,
3392				ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
3393		break;
3394
3395	case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
3396		err = snd_nativeinstruments_create_mixer(mixer,
3397				snd_nativeinstruments_ta10_mixers,
3398				ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
3399		break;
3400
3401	case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
3402		/* detection is disabled in mixer_maps.c */
3403		err = snd_create_std_mono_table(mixer, ebox44_table);
3404		break;
3405
3406	case USB_ID(0x1235, 0x8012): /* Focusrite Scarlett 6i6 */
3407	case USB_ID(0x1235, 0x8002): /* Focusrite Scarlett 8i6 */
3408	case USB_ID(0x1235, 0x8004): /* Focusrite Scarlett 18i6 */
3409	case USB_ID(0x1235, 0x8014): /* Focusrite Scarlett 18i8 */
3410	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
3411		err = snd_scarlett_controls_create(mixer);
3412		break;
3413
3414	case USB_ID(0x1235, 0x8203): /* Focusrite Scarlett 6i6 2nd Gen */
3415	case USB_ID(0x1235, 0x8204): /* Focusrite Scarlett 18i8 2nd Gen */
3416	case USB_ID(0x1235, 0x8201): /* Focusrite Scarlett 18i20 2nd Gen */
3417	case USB_ID(0x1235, 0x8211): /* Focusrite Scarlett Solo 3rd Gen */
3418	case USB_ID(0x1235, 0x8210): /* Focusrite Scarlett 2i2 3rd Gen */
3419	case USB_ID(0x1235, 0x8212): /* Focusrite Scarlett 4i4 3rd Gen */
3420	case USB_ID(0x1235, 0x8213): /* Focusrite Scarlett 8i6 3rd Gen */
3421	case USB_ID(0x1235, 0x8214): /* Focusrite Scarlett 18i8 3rd Gen */
3422	case USB_ID(0x1235, 0x8215): /* Focusrite Scarlett 18i20 3rd Gen */
 
 
 
 
 
 
 
 
 
 
3423	case USB_ID(0x1235, 0x820c): /* Focusrite Clarett+ 8Pre */
3424		err = snd_scarlett_gen2_init(mixer);
3425		break;
3426
3427	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
3428		err = snd_soundblaster_e1_switch_create(mixer);
3429		break;
3430	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
3431		err = dell_dock_mixer_create(mixer);
3432		if (err < 0)
3433			break;
3434		err = dell_dock_mixer_init(mixer);
3435		break;
 
 
 
3436
3437	case USB_ID(0x2a39, 0x3fd2): /* RME ADI-2 Pro */
3438	case USB_ID(0x2a39, 0x3fd3): /* RME ADI-2 DAC */
3439	case USB_ID(0x2a39, 0x3fd4): /* RME */
3440		err = snd_rme_controls_create(mixer);
3441		break;
3442
3443	case USB_ID(0x194f, 0x010c): /* Presonus Studio 1810c */
3444		err = snd_sc1810_init_mixer(mixer);
3445		break;
3446	case USB_ID(0x2a39, 0x3fb0): /* RME Babyface Pro FS */
3447		err = snd_bbfpro_controls_create(mixer);
3448		break;
 
 
 
 
3449	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
3450		err = snd_djm_controls_create(mixer, SND_DJM_250MK2_IDX);
3451		break;
 
 
 
3452	case USB_ID(0x08e4, 0x017f): /* Pioneer DJ DJM-750 */
3453		err = snd_djm_controls_create(mixer, SND_DJM_750_IDX);
3454		break;
3455	case USB_ID(0x2b73, 0x001b): /* Pioneer DJ DJM-750MK2 */
3456		err = snd_djm_controls_create(mixer, SND_DJM_750MK2_IDX);
3457		break;
3458	case USB_ID(0x08e4, 0x0163): /* Pioneer DJ DJM-850 */
3459		err = snd_djm_controls_create(mixer, SND_DJM_850_IDX);
3460		break;
3461	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
3462		err = snd_djm_controls_create(mixer, SND_DJM_900NXS2_IDX);
 
 
 
3463		break;
3464	}
3465
3466	return err;
3467}
3468
3469void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer)
3470{
3471	switch (mixer->chip->usb_id) {
3472	case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */
3473		dell_dock_mixer_init(mixer);
3474		break;
3475	}
3476}
3477
3478void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
3479				    int unitid)
3480{
3481	if (!mixer->rc_cfg)
3482		return;
3483	/* unit ids specific to Extigy/Audigy 2 NX: */
3484	switch (unitid) {
3485	case 0: /* remote control */
3486		mixer->rc_urb->dev = mixer->chip->dev;
3487		usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
3488		break;
3489	case 4: /* digital in jack */
3490	case 7: /* line in jacks */
3491	case 19: /* speaker out jacks */
3492	case 20: /* headphones out jack */
3493		break;
3494	/* live24ext: 4 = line-in jack */
3495	case 3:	/* hp-out jack (may actuate Mute) */
3496		if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
3497		    mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
3498			snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
3499		break;
3500	default:
3501		usb_audio_dbg(mixer->chip, "memory change in unknown unit %d\n", unitid);
3502		break;
3503	}
3504}
3505
3506static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
3507					 struct usb_mixer_elem_info *cval,
3508					 struct snd_kcontrol *kctl)
3509{
3510	/* Approximation using 10 ranges based on output measurement on hw v1.2.
3511	 * This seems close to the cubic mapping e.g. alsamixer uses. */
3512	static const DECLARE_TLV_DB_RANGE(scale,
3513		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
3514		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
3515		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
3516		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
3517		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
3518		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
3519		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
3520		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
3521		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
3522		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
3523	);
3524
3525	if (cval->min == 0 && cval->max == 50) {
3526		usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
3527		kctl->tlv.p = scale;
3528		kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
3529		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
3530
3531	} else if (cval->min == 0 && cval->max <= 1000) {
3532		/* Some other clearly broken DragonFly variant.
3533		 * At least a 0..53 variant (hw v1.0) exists.
3534		 */
3535		usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
3536		kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
3537	}
3538}
3539
3540void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
3541				  struct usb_mixer_elem_info *cval, int unitid,
3542				  struct snd_kcontrol *kctl)
3543{
3544	switch (mixer->chip->usb_id) {
3545	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
3546		if (unitid == 7 && cval->control == UAC_FU_VOLUME)
3547			snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
3548		break;
3549	/* lowest playback value is muted on some devices */
3550	case USB_ID(0x0d8c, 0x000c): /* C-Media */
3551	case USB_ID(0x0d8c, 0x0014): /* C-Media */
3552	case USB_ID(0x19f7, 0x0003): /* RODE NT-USB */
3553		if (strstr(kctl->id.name, "Playback"))
3554			cval->min_mute = 1;
3555		break;
3556	}
3557}
3558