sound/usb/mixer_quirks.c

   1 /*
   2  *   USB Audio Driver for ALSA
   3  *
   4  *   Quirks and vendor-specific extensions for mixer interfaces
   5  *
   6  *   Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   Many codes borrowed from audio.c by
   9  *          Alan Cox (alan@lxorguk.ukuu.org.uk)
  10  *          Thomas Sailer (sailer@ife.ee.ethz.ch)
  11  *
  12  *
  13  *   This program is free software; you can redistribute it and/or modify
  14  *   it under the terms of the GNU General Public License as published by
  15  *   the Free Software Foundation; either version 2 of the License, or
  16  *   (at your option) any later version.
  17  *
  18  *   This program is distributed in the hope that it will be useful,
  19  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *   GNU General Public License for more details.
  22  *
  23  *   You should have received a copy of the GNU General Public License
  24  *   along with this program; if not, write to the Free Software
  25  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26  */
  27
  28 #include <linux/init.h>
  29 #include <linux/slab.h>
  30 #include <linux/usb.h>
  31 #include <linux/usb/audio.h>
  32
  33 #include <sound/core.h>
  34 #include <sound/control.h>
  35 #include <sound/hwdep.h>
  36 #include <sound/info.h>
  37
  38 #include "usbaudio.h"
  39 #include "mixer.h"
  40 #include "mixer_quirks.h"
  41 #include "helper.h"
  42
  43 extern struct snd_kcontrol_new *snd_usb_feature_unit_ctl;
  44
  45 struct std_mono_table {
  46         unsigned int unitid, control, cmask;
  47         int val_type;
  48         const char *name;
  49         snd_kcontrol_tlv_rw_t *tlv_callback;
  50 };
  51
  52 /* private_free callback */
  53 static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
  54 {
  55         kfree(kctl->private_data);
  56         kctl->private_data = NULL;
  57 }
  58
  59 /* This function allows for the creation of standard UAC controls.
  60  * See the quirks for M-Audio FTUs or Ebox-44.
  61  * If you don't want to set a TLV callback pass NULL.
  62  *
  63  * Since there doesn't seem to be a devices that needs a multichannel
  64  * version, we keep it mono for simplicity.
  65  */
  66 static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
  67                                 unsigned int unitid,
  68                                 unsigned int control,
  69                                 unsigned int cmask,
  70                                 int val_type,
  71                                 unsigned int idx_off,
  72                                 const char *name,
  73                                 snd_kcontrol_tlv_rw_t *tlv_callback)
  74 {
  75         int err;
  76         struct usb_mixer_elem_info *cval;
  77         struct snd_kcontrol *kctl;
  78
  79         cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  80         if (!cval)
  81                 return -ENOMEM;
  82
  83         cval->id = unitid;
  84         cval->mixer = mixer;
  85         cval->val_type = val_type;
  86         cval->channels = 1;
  87         cval->control = control;
  88         cval->cmask = cmask;
  89         cval->idx_off = idx_off;
  90
  91         /* get_min_max() is called only for integer volumes later,
  92          * so provide a short-cut for booleans */
  93         cval->min = 0;
  94         cval->max = 1;
  95         cval->res = 0;
  96         cval->dBmin = 0;
  97         cval->dBmax = 0;
  98
  99         /* Create control */
 100         kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
 101         if (!kctl) {
 102                 kfree(cval);
 103                 return -ENOMEM;
 104         }
 105
 106         /* Set name */
 107         snprintf(kctl->id.name, sizeof(kctl->id.name), name);
 108         kctl->private_free = usb_mixer_elem_free;
 109
 110         /* set TLV */
 111         if (tlv_callback) {
 112                 kctl->tlv.c = tlv_callback;
 113                 kctl->vd[0].access |=
 114                         SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 115                         SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 116         }
 117         /* Add control to mixer */
 118         err = snd_usb_mixer_add_control(mixer, kctl);
 119         if (err < 0)
 120                 return err;
 121
 122         return 0;
 123 }
 124
 125 static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
 126                                 unsigned int unitid,
 127                                 unsigned int control,
 128                                 unsigned int cmask,
 129                                 int val_type,
 130                                 const char *name,
 131                                 snd_kcontrol_tlv_rw_t *tlv_callback)
 132 {
 133         return snd_create_std_mono_ctl_offset(mixer, unitid, control, cmask,
 134                 val_type, 0 /* Offset */, name, tlv_callback);
 135 }
 136
 137 /*
 138  * Create a set of standard UAC controls from a table
 139  */
 140 static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 141                                 struct std_mono_table *t)
 142 {
 143         int err;
 144
 145         while (t->name != NULL) {
 146                 err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 147                                 t->cmask, t->val_type, t->name, t->tlv_callback);
 148                 if (err < 0)
 149                         return err;
 150                 t++;
 151         }
 152
 153         return 0;
 154 }
 155
 156 /*
 157  * Sound Blaster remote control configuration
 158  *
 159  * format of remote control data:
 160  * Extigy:       xx 00
 161  * Audigy 2 NX:  06 80 xx 00 00 00
 162  * Live! 24-bit: 06 80 xx yy 22 83
 163  */
 164 static const struct rc_config {
 165         u32 usb_id;
 166         u8  offset;
 167         u8  length;
 168         u8  packet_length;
 169         u8  min_packet_length; /* minimum accepted length of the URB result */
 170         u8  mute_mixer_id;
 171         u32 mute_code;
 172 } rc_configs[] = {
 173         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 174         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 175         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 176         { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 177         { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 178         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 179 };
 180
 181 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 182 {
 183         struct usb_mixer_interface *mixer = urb->context;
 184         const struct rc_config *rc = mixer->rc_cfg;
 185         u32 code;
 186
 187         if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 188                 return;
 189
 190         code = mixer->rc_buffer[rc->offset];
 191         if (rc->length == 2)
 192                 code |= mixer->rc_buffer[rc->offset + 1] << 8;
 193
 194         /* the Mute button actually changes the mixer control */
 195         if (code == rc->mute_code)
 196                 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 197         mixer->rc_code = code;
 198         wmb();
 199         wake_up(&mixer->rc_waitq);
 200 }
 201
 202 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 203                                      long count, loff_t *offset)
 204 {
 205         struct usb_mixer_interface *mixer = hw->private_data;
 206         int err;
 207         u32 rc_code;
 208
 209         if (count != 1 && count != 4)
 210                 return -EINVAL;
 211         err = wait_event_interruptible(mixer->rc_waitq,
 212                                        (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 213         if (err == 0) {
 214                 if (count == 1)
 215                         err = put_user(rc_code, buf);
 216                 else
 217                         err = put_user(rc_code, (u32 __user *)buf);
 218         }
 219         return err < 0 ? err : count;
 220 }
 221
 222 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 223                                             poll_table *wait)
 224 {
 225         struct usb_mixer_interface *mixer = hw->private_data;
 226
 227         poll_wait(file, &mixer->rc_waitq, wait);
 228         return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 229 }
 230
 231 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 232 {
 233         struct snd_hwdep *hwdep;
 234         int err, len, i;
 235
 236         for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 237                 if (rc_configs[i].usb_id == mixer->chip->usb_id)
 238                         break;
 239         if (i >= ARRAY_SIZE(rc_configs))
 240                 return 0;
 241         mixer->rc_cfg = &rc_configs[i];
 242
 243         len = mixer->rc_cfg->packet_length;
 244
 245         init_waitqueue_head(&mixer->rc_waitq);
 246         err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 247         if (err < 0)
 248                 return err;
 249         snprintf(hwdep->name, sizeof(hwdep->name),
 250                  "%s remote control", mixer->chip->card->shortname);
 251         hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 252         hwdep->private_data = mixer;
 253         hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 254         hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 255         hwdep->exclusive = 1;
 256
 257         mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 258         if (!mixer->rc_urb)
 259                 return -ENOMEM;
 260         mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 261         if (!mixer->rc_setup_packet) {
 262                 usb_free_urb(mixer->rc_urb);
 263                 mixer->rc_urb = NULL;
 264                 return -ENOMEM;
 265         }
 266         mixer->rc_setup_packet->bRequestType =
 267                 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 268         mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 269         mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 270         mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 271         mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 272         usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 273                              usb_rcvctrlpipe(mixer->chip->dev, 0),
 274                              (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 275                              snd_usb_soundblaster_remote_complete, mixer);
 276         return 0;
 277 }
 278
 279 #define snd_audigy2nx_led_info          snd_ctl_boolean_mono_info
 280
 281 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 282 {
 283         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 284         int index = kcontrol->private_value;
 285
 286         ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
 287         return 0;
 288 }
 289
 290 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 291 {
 292         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 293         int index = kcontrol->private_value;
 294         int value = ucontrol->value.integer.value[0];
 295         int err, changed;
 296
 297         if (value > 1)
 298                 return -EINVAL;
 299         changed = value != mixer->audigy2nx_leds[index];
 300         down_read(&mixer->chip->shutdown_rwsem);
 301         if (mixer->chip->shutdown) {
 302                 err = -ENODEV;
 303                 goto out;
 304         }
 305         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
 306                 err = snd_usb_ctl_msg(mixer->chip->dev,
 307                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 308                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 309                               !value, 0, NULL, 0);
 310         /* USB X-Fi S51 Pro */
 311         if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
 312                 err = snd_usb_ctl_msg(mixer->chip->dev,
 313                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 314                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 315                               !value, 0, NULL, 0);
 316         else
 317                 err = snd_usb_ctl_msg(mixer->chip->dev,
 318                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 319                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 320                               value, index + 2, NULL, 0);
 321  out:
 322         up_read(&mixer->chip->shutdown_rwsem);
 323         if (err < 0)
 324                 return err;
 325         mixer->audigy2nx_leds[index] = value;
 326         return changed;
 327 }
 328
 329 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 330         {
 331                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 332                 .name = "CMSS LED Switch",
 333                 .info = snd_audigy2nx_led_info,
 334                 .get = snd_audigy2nx_led_get,
 335                 .put = snd_audigy2nx_led_put,
 336                 .private_value = 0,
 337         },
 338         {
 339                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 340                 .name = "Power LED Switch",
 341                 .info = snd_audigy2nx_led_info,
 342                 .get = snd_audigy2nx_led_get,
 343                 .put = snd_audigy2nx_led_put,
 344                 .private_value = 1,
 345         },
 346         {
 347                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 348                 .name = "Dolby Digital LED Switch",
 349                 .info = snd_audigy2nx_led_info,
 350                 .get = snd_audigy2nx_led_get,
 351                 .put = snd_audigy2nx_led_put,
 352                 .private_value = 2,
 353         },
 354 };
 355
 356 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 357 {
 358         int i, err;
 359
 360         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 361                 /* USB X-Fi S51 doesn't have a CMSS LED */
 362                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 363                         continue;
 364                 /* USB X-Fi S51 Pro doesn't have one either */
 365                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 366                         continue;
 367                 if (i > 1 && /* Live24ext has 2 LEDs only */
 368                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 369                          mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 370                          mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 371                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 372                         break;
 373                 err = snd_ctl_add(mixer->chip->card,
 374                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 375                 if (err < 0)
 376                         return err;
 377         }
 378         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 379         return 0;
 380 }
 381
 382 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 383                                     struct snd_info_buffer *buffer)
 384 {
 385         static const struct sb_jack {
 386                 int unitid;
 387                 const char *name;
 388         }  jacks_audigy2nx[] = {
 389                 {4,  "dig in "},
 390                 {7,  "line in"},
 391                 {19, "spk out"},
 392                 {20, "hph out"},
 393                 {-1, NULL}
 394         }, jacks_live24ext[] = {
 395                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 396                 {3,  "hph out"}, /* headphones */
 397                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 398                 {-1, NULL}
 399         };
 400         const struct sb_jack *jacks;
 401         struct usb_mixer_interface *mixer = entry->private_data;
 402         int i, err;
 403         u8 buf[3];
 404
 405         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 406         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 407                 jacks = jacks_audigy2nx;
 408         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 409                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 410                 jacks = jacks_live24ext;
 411         else
 412                 return;
 413
 414         for (i = 0; jacks[i].name; ++i) {
 415                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 416                 down_read(&mixer->chip->shutdown_rwsem);
 417                 if (mixer->chip->shutdown)
 418                         err = 0;
 419                 else
 420                         err = snd_usb_ctl_msg(mixer->chip->dev,
 421                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 422                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 423                                       USB_RECIP_INTERFACE, 0,
 424                                       jacks[i].unitid << 8, buf, 3);
 425                 up_read(&mixer->chip->shutdown_rwsem);
 426                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 427                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 428                 else
 429                         snd_iprintf(buffer, "?\n");
 430         }
 431 }
 432
 433 /* ASUS Xonar U1 / U3 controls */
 434
 435 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 436                                    struct snd_ctl_elem_value *ucontrol)
 437 {
 438         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 439
 440         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 441         return 0;
 442 }
 443
 444 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 445                                    struct snd_ctl_elem_value *ucontrol)
 446 {
 447         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 448         u8 old_status, new_status;
 449         int err, changed;
 450
 451         old_status = mixer->xonar_u1_status;
 452         if (ucontrol->value.integer.value[0])
 453                 new_status = old_status | 0x02;
 454         else
 455                 new_status = old_status & ~0x02;
 456         changed = new_status != old_status;
 457         down_read(&mixer->chip->shutdown_rwsem);
 458         if (mixer->chip->shutdown)
 459                 err = -ENODEV;
 460         else
 461                 err = snd_usb_ctl_msg(mixer->chip->dev,
 462                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 463                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 464                               50, 0, &new_status, 1);
 465         up_read(&mixer->chip->shutdown_rwsem);
 466         if (err < 0)
 467                 return err;
 468         mixer->xonar_u1_status = new_status;
 469         return changed;
 470 }
 471
 472 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 473         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 474         .name = "Digital Playback Switch",
 475         .info = snd_ctl_boolean_mono_info,
 476         .get = snd_xonar_u1_switch_get,
 477         .put = snd_xonar_u1_switch_put,
 478 };
 479
 480 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 481 {
 482         int err;
 483
 484         err = snd_ctl_add(mixer->chip->card,
 485                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 486         if (err < 0)
 487                 return err;
 488         mixer->xonar_u1_status = 0x05;
 489         return 0;
 490 }
 491
 492 /* Native Instruments device quirks */
 493
 494 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 495
 496 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 497                                              struct snd_ctl_elem_value *ucontrol)
 498 {
 499         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 500         struct usb_device *dev = mixer->chip->dev;
 501         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 502         u16 wIndex = kcontrol->private_value & 0xffff;
 503         u8 tmp;
 504         int ret;
 505
 506         down_read(&mixer->chip->shutdown_rwsem);
 507         if (mixer->chip->shutdown)
 508                 ret = -ENODEV;
 509         else
 510                 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
 511                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 512                                   0, wIndex,
 513                                   &tmp, sizeof(tmp), 1000);
 514         up_read(&mixer->chip->shutdown_rwsem);
 515
 516         if (ret < 0) {
 517                 snd_printk(KERN_ERR
 518                            "unable to issue vendor read request (ret = %d)", ret);
 519                 return ret;
 520         }
 521
 522         ucontrol->value.integer.value[0] = tmp;
 523
 524         return 0;
 525 }
 526
 527 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 528                                              struct snd_ctl_elem_value *ucontrol)
 529 {
 530         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 531         struct usb_device *dev = mixer->chip->dev;
 532         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 533         u16 wIndex = kcontrol->private_value & 0xffff;
 534         u16 wValue = ucontrol->value.integer.value[0];
 535         int ret;
 536
 537         down_read(&mixer->chip->shutdown_rwsem);
 538         if (mixer->chip->shutdown)
 539                 ret = -ENODEV;
 540         else
 541                 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
 542                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 543                                   wValue, wIndex,
 544                                   NULL, 0, 1000);
 545         up_read(&mixer->chip->shutdown_rwsem);
 546
 547         if (ret < 0) {
 548                 snd_printk(KERN_ERR
 549                            "unable to issue vendor write request (ret = %d)", ret);
 550                 return ret;
 551         }
 552
 553         return 0;
 554 }
 555
 556 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 557         {
 558                 .name = "Direct Thru Channel A",
 559                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 560         },
 561         {
 562                 .name = "Direct Thru Channel B",
 563                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 564         },
 565         {
 566                 .name = "Phono Input Channel A",
 567                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 568         },
 569         {
 570                 .name = "Phono Input Channel B",
 571                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 572         },
 573 };
 574
 575 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 576         {
 577                 .name = "Direct Thru Channel A",
 578                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 579         },
 580         {
 581                 .name = "Direct Thru Channel B",
 582                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 583         },
 584         {
 585                 .name = "Direct Thru Channel C",
 586                 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 587         },
 588         {
 589                 .name = "Direct Thru Channel D",
 590                 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 591         },
 592         {
 593                 .name = "Phono Input Channel A",
 594                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 595         },
 596         {
 597                 .name = "Phono Input Channel B",
 598                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 599         },
 600         {
 601                 .name = "Phono Input Channel C",
 602                 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 603         },
 604         {
 605                 .name = "Phono Input Channel D",
 606                 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 607         },
 608 };
 609
 610 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 611                                               const struct snd_kcontrol_new *kc,
 612                                               unsigned int count)
 613 {
 614         int i, err = 0;
 615         struct snd_kcontrol_new template = {
 616                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 617                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 618                 .get = snd_nativeinstruments_control_get,
 619                 .put = snd_nativeinstruments_control_put,
 620                 .info = snd_ctl_boolean_mono_info,
 621         };
 622
 623         for (i = 0; i < count; i++) {
 624                 struct snd_kcontrol *c;
 625
 626                 template.name = kc[i].name;
 627                 template.private_value = kc[i].private_value;
 628
 629                 c = snd_ctl_new1(&template, mixer);
 630                 err = snd_ctl_add(mixer->chip->card, c);
 631
 632                 if (err < 0)
 633                         break;
 634         }
 635
 636         return err;
 637 }
 638
 639 /* M-Audio FastTrack Ultra quirks */
 640 /* FTU Effect switch (also used by C400/C600) */
 641 struct snd_ftu_eff_switch_priv_val {
 642         struct usb_mixer_interface *mixer;
 643         int cached_value;
 644         int is_cached;
 645         int bUnitID;
 646         int validx;
 647 };
 648
 649 static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
 650                                         struct snd_ctl_elem_info *uinfo)
 651 {
 652         static const char *texts[8] = {"Room 1",
 653                                        "Room 2",
 654                                        "Room 3",
 655                                        "Hall 1",
 656                                        "Hall 2",
 657                                        "Plate",
 658                                        "Delay",
 659                                        "Echo"
 660         };
 661
 662         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 663         uinfo->count = 1;
 664         uinfo->value.enumerated.items = 8;
 665         if (uinfo->value.enumerated.item > 7)
 666                 uinfo->value.enumerated.item = 7;
 667         strcpy(uinfo->value.enumerated.name,
 668                 texts[uinfo->value.enumerated.item]);
 669
 670         return 0;
 671 }
 672
 673 static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
 674                                         struct snd_ctl_elem_value *ucontrol)
 675 {
 676         struct snd_usb_audio *chip;
 677         struct usb_mixer_interface *mixer;
 678         struct snd_ftu_eff_switch_priv_val *pval;
 679         int err;
 680         unsigned char value[2];
 681         int id, validx;
 682
 683         const int val_len = 2;
 684
 685         value[0] = 0x00;
 686         value[1] = 0x00;
 687
 688         pval = (struct snd_ftu_eff_switch_priv_val *)
 689                 kctl->private_value;
 690
 691         if (pval->is_cached) {
 692                 ucontrol->value.enumerated.item[0] = pval->cached_value;
 693                 return 0;
 694         }
 695
 696         mixer = (struct usb_mixer_interface *) pval->mixer;
 697         if (snd_BUG_ON(!mixer))
 698                 return -EINVAL;
 699
 700         chip = (struct snd_usb_audio *) mixer->chip;
 701         if (snd_BUG_ON(!chip))
 702                 return -EINVAL;
 703
 704         id = pval->bUnitID;
 705         validx = pval->validx;
 706
 707         down_read(&mixer->chip->shutdown_rwsem);
 708         if (mixer->chip->shutdown)
 709                 err = -ENODEV;
 710         else
 711                 err = snd_usb_ctl_msg(chip->dev,
 712                         usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 713                         USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 714                         validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 715                         value, val_len);
 716         up_read(&mixer->chip->shutdown_rwsem);
 717         if (err < 0)
 718                 return err;
 719
 720         ucontrol->value.enumerated.item[0] = value[0];
 721         pval->cached_value = value[0];
 722         pval->is_cached = 1;
 723
 724         return 0;
 725 }
 726
 727 static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 728                                         struct snd_ctl_elem_value *ucontrol)
 729 {
 730         struct snd_usb_audio *chip;
 731         struct snd_ftu_eff_switch_priv_val *pval;
 732
 733         struct usb_mixer_interface *mixer;
 734         int changed, cur_val, err, new_val;
 735         unsigned char value[2];
 736         int id, validx;
 737
 738         const int val_len = 2;
 739
 740         changed = 0;
 741
 742         pval = (struct snd_ftu_eff_switch_priv_val *)
 743                 kctl->private_value;
 744         cur_val = pval->cached_value;
 745         new_val = ucontrol->value.enumerated.item[0];
 746
 747         mixer = (struct usb_mixer_interface *) pval->mixer;
 748         if (snd_BUG_ON(!mixer))
 749                 return -EINVAL;
 750
 751         chip = (struct snd_usb_audio *) mixer->chip;
 752         if (snd_BUG_ON(!chip))
 753                 return -EINVAL;
 754
 755         id = pval->bUnitID;
 756         validx = pval->validx;
 757
 758         if (!pval->is_cached) {
 759                 /* Read current value */
 760                 down_read(&mixer->chip->shutdown_rwsem);
 761                 if (mixer->chip->shutdown)
 762                         err = -ENODEV;
 763                 else
 764                         err = snd_usb_ctl_msg(chip->dev,
 765                                 usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 766                                 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 767                                 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 768                                 value, val_len);
 769                 up_read(&mixer->chip->shutdown_rwsem);
 770                 if (err < 0)
 771                         return err;
 772
 773                 cur_val = value[0];
 774                 pval->cached_value = cur_val;
 775                 pval->is_cached = 1;
 776         }
 777         /* update value if needed */
 778         if (cur_val != new_val) {
 779                 value[0] = new_val;
 780                 value[1] = 0;
 781                 down_read(&mixer->chip->shutdown_rwsem);
 782                 if (mixer->chip->shutdown)
 783                         err = -ENODEV;
 784                 else
 785                         err = snd_usb_ctl_msg(chip->dev,
 786                                 usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 787                                 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 788                                 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 789                                 value, val_len);
 790                 up_read(&mixer->chip->shutdown_rwsem);
 791                 if (err < 0)
 792                         return err;
 793
 794                 pval->cached_value = new_val;
 795                 pval->is_cached = 1;
 796                 changed = 1;
 797         }
 798
 799         return changed;
 800 }
 801
 802 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer,
 803         int validx, int bUnitID)
 804 {
 805         static struct snd_kcontrol_new template = {
 806                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 807                 .name = "Effect Program Switch",
 808                 .index = 0,
 809                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 810                 .info = snd_ftu_eff_switch_info,
 811                 .get = snd_ftu_eff_switch_get,
 812                 .put = snd_ftu_eff_switch_put
 813         };
 814
 815         int err;
 816         struct snd_kcontrol *kctl;
 817         struct snd_ftu_eff_switch_priv_val *pval;
 818
 819         pval = kzalloc(sizeof(*pval), GFP_KERNEL);
 820         if (!pval)
 821                 return -ENOMEM;
 822
 823         pval->cached_value = 0;
 824         pval->is_cached = 0;
 825         pval->mixer = mixer;
 826         pval->bUnitID = bUnitID;
 827         pval->validx = validx;
 828
 829         template.private_value = (unsigned long) pval;
 830         kctl = snd_ctl_new1(&template, mixer->chip);
 831         if (!kctl) {
 832                 kfree(pval);
 833                 return -ENOMEM;
 834         }
 835
 836         err = snd_ctl_add(mixer->chip->card, kctl);
 837         if (err < 0)
 838                 return err;
 839
 840         return 0;
 841 }
 842
 843 /* Create volume controls for FTU devices*/
 844 static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 845 {
 846         char name[64];
 847         unsigned int control, cmask;
 848         int in, out, err;
 849
 850         const unsigned int id = 5;
 851         const int val_type = USB_MIXER_S16;
 852
 853         for (out = 0; out < 8; out++) {
 854                 control = out + 1;
 855                 for (in = 0; in < 8; in++) {
 856                         cmask = 1 << in;
 857                         snprintf(name, sizeof(name),
 858                                 "AIn%d - Out%d Capture Volume",
 859                                 in  + 1, out + 1);
 860                         err = snd_create_std_mono_ctl(mixer, id, control,
 861                                                         cmask, val_type, name,
 862                                                         &snd_usb_mixer_vol_tlv);
 863                         if (err < 0)
 864                                 return err;
 865                 }
 866                 for (in = 8; in < 16; in++) {
 867                         cmask = 1 << in;
 868                         snprintf(name, sizeof(name),
 869                                 "DIn%d - Out%d Playback Volume",
 870                                 in - 7, out + 1);
 871                         err = snd_create_std_mono_ctl(mixer, id, control,
 872                                                         cmask, val_type, name,
 873                                                         &snd_usb_mixer_vol_tlv);
 874                         if (err < 0)
 875                                 return err;
 876                 }
 877         }
 878
 879         return 0;
 880 }
 881
 882 /* This control needs a volume quirk, see mixer.c */
 883 static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
 884 {
 885         static const char name[] = "Effect Volume";
 886         const unsigned int id = 6;
 887         const int val_type = USB_MIXER_U8;
 888         const unsigned int control = 2;
 889         const unsigned int cmask = 0;
 890
 891         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 892                                         name, snd_usb_mixer_vol_tlv);
 893 }
 894
 895 /* This control needs a volume quirk, see mixer.c */
 896 static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
 897 {
 898         static const char name[] = "Effect Duration";
 899         const unsigned int id = 6;
 900         const int val_type = USB_MIXER_S16;
 901         const unsigned int control = 3;
 902         const unsigned int cmask = 0;
 903
 904         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 905                                         name, snd_usb_mixer_vol_tlv);
 906 }
 907
 908 /* This control needs a volume quirk, see mixer.c */
 909 static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
 910 {
 911         static const char name[] = "Effect Feedback Volume";
 912         const unsigned int id = 6;
 913         const int val_type = USB_MIXER_U8;
 914         const unsigned int control = 4;
 915         const unsigned int cmask = 0;
 916
 917         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 918                                         name, NULL);
 919 }
 920
 921 static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
 922 {
 923         unsigned int cmask;
 924         int err, ch;
 925         char name[48];
 926
 927         const unsigned int id = 7;
 928         const int val_type = USB_MIXER_S16;
 929         const unsigned int control = 7;
 930
 931         for (ch = 0; ch < 4; ++ch) {
 932                 cmask = 1 << ch;
 933                 snprintf(name, sizeof(name),
 934                         "Effect Return %d Volume", ch + 1);
 935                 err = snd_create_std_mono_ctl(mixer, id, control,
 936                                                 cmask, val_type, name,
 937                                                 snd_usb_mixer_vol_tlv);
 938                 if (err < 0)
 939                         return err;
 940         }
 941
 942         return 0;
 943 }
 944
 945 static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
 946 {
 947         unsigned int  cmask;
 948         int err, ch;
 949         char name[48];
 950
 951         const unsigned int id = 5;
 952         const int val_type = USB_MIXER_S16;
 953         const unsigned int control = 9;
 954
 955         for (ch = 0; ch < 8; ++ch) {
 956                 cmask = 1 << ch;
 957                 snprintf(name, sizeof(name),
 958                         "Effect Send AIn%d Volume", ch + 1);
 959                 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
 960                                                 val_type, name,
 961                                                 snd_usb_mixer_vol_tlv);
 962                 if (err < 0)
 963                         return err;
 964         }
 965         for (ch = 8; ch < 16; ++ch) {
 966                 cmask = 1 << ch;
 967                 snprintf(name, sizeof(name),
 968                         "Effect Send DIn%d Volume", ch - 7);
 969                 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
 970                                                 val_type, name,
 971                                                 snd_usb_mixer_vol_tlv);
 972                 if (err < 0)
 973                         return err;
 974         }
 975         return 0;
 976 }
 977
 978 static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
 979 {
 980         int err;
 981
 982         err = snd_ftu_create_volume_ctls(mixer);
 983         if (err < 0)
 984                 return err;
 985
 986         err = snd_ftu_create_effect_switch(mixer, 1, 6);
 987         if (err < 0)
 988                 return err;
 989
 990         err = snd_ftu_create_effect_volume_ctl(mixer);
 991         if (err < 0)
 992                 return err;
 993
 994         err = snd_ftu_create_effect_duration_ctl(mixer);
 995         if (err < 0)
 996                 return err;
 997
 998         err = snd_ftu_create_effect_feedback_ctl(mixer);
 999         if (err < 0)
1000                 return err;
1001
1002         err = snd_ftu_create_effect_return_ctls(mixer);
1003         if (err < 0)
1004                 return err;
1005
1006         err = snd_ftu_create_effect_send_ctls(mixer);
1007         if (err < 0)
1008                 return err;
1009
1010         return 0;
1011 }
1012
1013 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
1014                                unsigned char samplerate_id)
1015 {
1016         struct usb_mixer_interface *mixer;
1017         struct usb_mixer_elem_info *cval;
1018         int unitid = 12; /* SamleRate ExtensionUnit ID */
1019
1020         list_for_each_entry(mixer, &chip->mixer_list, list) {
1021                 cval = mixer->id_elems[unitid];
1022                 if (cval) {
1023                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
1024                                                     cval->control << 8,
1025                                                     samplerate_id);
1026                         snd_usb_mixer_notify_id(mixer, unitid);
1027                 }
1028                 break;
1029         }
1030 }
1031
1032 /* M-Audio Fast Track C400/C600 */
1033 /* C400/C600 volume controls, this control needs a volume quirk, see mixer.c */
1034 static int snd_c400_create_vol_ctls(struct usb_mixer_interface *mixer)
1035 {
1036         char name[64];
1037         unsigned int cmask, offset;
1038         int out, chan, err;
1039         int num_outs = 0;
1040         int num_ins = 0;
1041
1042         const unsigned int id = 0x40;
1043         const int val_type = USB_MIXER_S16;
1044         const int control = 1;
1045
1046         switch (mixer->chip->usb_id) {
1047         case USB_ID(0x0763, 0x2030):
1048                 num_outs = 6;
1049                 num_ins = 4;
1050                 break;
1051         case USB_ID(0x0763, 0x2031):
1052                 num_outs = 8;
1053                 num_ins = 6;
1054                 break;
1055         }
1056
1057         for (chan = 0; chan < num_outs + num_ins; chan++) {
1058                 for (out = 0; out < num_outs; out++) {
1059                         if (chan < num_outs) {
1060                                 snprintf(name, sizeof(name),
1061                                         "PCM%d-Out%d Playback Volume",
1062                                         chan + 1, out + 1);
1063                         } else {
1064                                 snprintf(name, sizeof(name),
1065                                         "In%d-Out%d Playback Volume",
1066                                         chan - num_outs + 1, out + 1);
1067                         }
1068
1069                         cmask = (out == 0) ? 0 : 1 << (out - 1);
1070                         offset = chan * num_outs;
1071                         err = snd_create_std_mono_ctl_offset(mixer, id, control,
1072                                                 cmask, val_type, offset, name,
1073                                                 &snd_usb_mixer_vol_tlv);
1074                         if (err < 0)
1075                                 return err;
1076                 }
1077         }
1078
1079         return 0;
1080 }
1081
1082 /* This control needs a volume quirk, see mixer.c */
1083 static int snd_c400_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
1084 {
1085         static const char name[] = "Effect Volume";
1086         const unsigned int id = 0x43;
1087         const int val_type = USB_MIXER_U8;
1088         const unsigned int control = 3;
1089         const unsigned int cmask = 0;
1090
1091         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1092                                         name, snd_usb_mixer_vol_tlv);
1093 }
1094
1095 /* This control needs a volume quirk, see mixer.c */
1096 static int snd_c400_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
1097 {
1098         static const char name[] = "Effect Duration";
1099         const unsigned int id = 0x43;
1100         const int val_type = USB_MIXER_S16;
1101         const unsigned int control = 4;
1102         const unsigned int cmask = 0;
1103
1104         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1105                                         name, snd_usb_mixer_vol_tlv);
1106 }
1107
1108 /* This control needs a volume quirk, see mixer.c */
1109 static int snd_c400_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
1110 {
1111         static const char name[] = "Effect Feedback Volume";
1112         const unsigned int id = 0x43;
1113         const int val_type = USB_MIXER_U8;
1114         const unsigned int control = 5;
1115         const unsigned int cmask = 0;
1116
1117         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
1118                                         name, NULL);
1119 }
1120
1121 static int snd_c400_create_effect_vol_ctls(struct usb_mixer_interface *mixer)
1122 {
1123         char name[64];
1124         unsigned int cmask;
1125         int chan, err;
1126         int num_outs = 0;
1127         int num_ins = 0;
1128
1129         const unsigned int id = 0x42;
1130         const int val_type = USB_MIXER_S16;
1131         const int control = 1;
1132
1133         switch (mixer->chip->usb_id) {
1134         case USB_ID(0x0763, 0x2030):
1135                 num_outs = 6;
1136                 num_ins = 4;
1137                 break;
1138         case USB_ID(0x0763, 0x2031):
1139                 num_outs = 8;
1140                 num_ins = 6;
1141                 break;
1142         }
1143
1144         for (chan = 0; chan < num_outs + num_ins; chan++) {
1145                 if (chan < num_outs) {
1146                         snprintf(name, sizeof(name),
1147                                 "Effect Send DOut%d",
1148                                 chan + 1);
1149                 } else {
1150                         snprintf(name, sizeof(name),
1151                                 "Effect Send AIn%d",
1152                                 chan - num_outs + 1);
1153                 }
1154
1155                 cmask = (chan == 0) ? 0 : 1 << (chan - 1);
1156                 err = snd_create_std_mono_ctl(mixer, id, control,
1157                                                 cmask, val_type, name,
1158                                                 &snd_usb_mixer_vol_tlv);
1159                 if (err < 0)
1160                         return err;
1161         }
1162
1163         return 0;
1164 }
1165
1166 static int snd_c400_create_effect_ret_vol_ctls(struct usb_mixer_interface *mixer)
1167 {
1168         char name[64];
1169         unsigned int cmask;
1170         int chan, err;
1171         int num_outs = 0;
1172         int offset = 0;
1173
1174         const unsigned int id = 0x40;
1175         const int val_type = USB_MIXER_S16;
1176         const int control = 1;
1177
1178         switch (mixer->chip->usb_id) {
1179         case USB_ID(0x0763, 0x2030):
1180                 num_outs = 6;
1181                 offset = 0x3c;
1182                 /* { 0x3c, 0x43, 0x3e, 0x45, 0x40, 0x47 } */
1183                 break;
1184         case USB_ID(0x0763, 0x2031):
1185                 num_outs = 8;
1186                 offset = 0x70;
1187                 /* { 0x70, 0x79, 0x72, 0x7b, 0x74, 0x7d, 0x76, 0x7f } */
1188                 break;
1189         }
1190
1191         for (chan = 0; chan < num_outs; chan++) {
1192                 snprintf(name, sizeof(name),
1193                         "Effect Return %d",
1194                         chan + 1);
1195
1196                 cmask = (chan == 0) ? 0 :
1197                         1 << (chan + (chan % 2) * num_outs - 1);
1198                 err = snd_create_std_mono_ctl_offset(mixer, id, control,
1199                                                 cmask, val_type, offset, name,
1200                                                 &snd_usb_mixer_vol_tlv);
1201                 if (err < 0)
1202                         return err;
1203         }
1204
1205         return 0;
1206 }
1207
1208 static int snd_c400_create_mixer(struct usb_mixer_interface *mixer)
1209 {
1210         int err;
1211
1212         err = snd_c400_create_vol_ctls(mixer);
1213         if (err < 0)
1214                 return err;
1215
1216         err = snd_c400_create_effect_vol_ctls(mixer);
1217         if (err < 0)
1218                 return err;
1219
1220         err = snd_c400_create_effect_ret_vol_ctls(mixer);
1221         if (err < 0)
1222                 return err;
1223
1224         err = snd_ftu_create_effect_switch(mixer, 2, 0x43);
1225         if (err < 0)
1226                 return err;
1227
1228         err = snd_c400_create_effect_volume_ctl(mixer);
1229         if (err < 0)
1230                 return err;
1231
1232         err = snd_c400_create_effect_duration_ctl(mixer);
1233         if (err < 0)
1234                 return err;
1235
1236         err = snd_c400_create_effect_feedback_ctl(mixer);
1237         if (err < 0)
1238                 return err;
1239
1240         return 0;
1241 }
1242
1243 /*
1244  * The mixer units for Ebox-44 are corrupt, and even where they
1245  * are valid they presents mono controls as L and R channels of
1246  * stereo. So we provide a good mixer here.
1247  */
1248 static struct std_mono_table ebox44_table[] = {
1249         {
1250                 .unitid = 4,
1251                 .control = 1,
1252                 .cmask = 0x0,
1253                 .val_type = USB_MIXER_INV_BOOLEAN,
1254                 .name = "Headphone Playback Switch"
1255         },
1256         {
1257                 .unitid = 4,
1258                 .control = 2,
1259                 .cmask = 0x1,
1260                 .val_type = USB_MIXER_S16,
1261                 .name = "Headphone A Mix Playback Volume"
1262         },
1263         {
1264                 .unitid = 4,
1265                 .control = 2,
1266                 .cmask = 0x2,
1267                 .val_type = USB_MIXER_S16,
1268                 .name = "Headphone B Mix Playback Volume"
1269         },
1270
1271         {
1272                 .unitid = 7,
1273                 .control = 1,
1274                 .cmask = 0x0,
1275                 .val_type = USB_MIXER_INV_BOOLEAN,
1276                 .name = "Output Playback Switch"
1277         },
1278         {
1279                 .unitid = 7,
1280                 .control = 2,
1281                 .cmask = 0x1,
1282                 .val_type = USB_MIXER_S16,
1283                 .name = "Output A Playback Volume"
1284         },
1285         {
1286                 .unitid = 7,
1287                 .control = 2,
1288                 .cmask = 0x2,
1289                 .val_type = USB_MIXER_S16,
1290                 .name = "Output B Playback Volume"
1291         },
1292
1293         {
1294                 .unitid = 10,
1295                 .control = 1,
1296                 .cmask = 0x0,
1297                 .val_type = USB_MIXER_INV_BOOLEAN,
1298                 .name = "Input Capture Switch"
1299         },
1300         {
1301                 .unitid = 10,
1302                 .control = 2,
1303                 .cmask = 0x1,
1304                 .val_type = USB_MIXER_S16,
1305                 .name = "Input A Capture Volume"
1306         },
1307         {
1308                 .unitid = 10,
1309                 .control = 2,
1310                 .cmask = 0x2,
1311                 .val_type = USB_MIXER_S16,
1312                 .name = "Input B Capture Volume"
1313         },
1314
1315         {}
1316 };
1317
1318 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1319 {
1320         int err = 0;
1321         struct snd_info_entry *entry;
1322
1323         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
1324                 return err;
1325
1326         switch (mixer->chip->usb_id) {
1327         case USB_ID(0x041e, 0x3020):
1328         case USB_ID(0x041e, 0x3040):
1329         case USB_ID(0x041e, 0x3042):
1330         case USB_ID(0x041e, 0x30df):
1331         case USB_ID(0x041e, 0x3048):
1332                 err = snd_audigy2nx_controls_create(mixer);
1333                 if (err < 0)
1334                         break;
1335                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1336                         snd_info_set_text_ops(entry, mixer,
1337                                               snd_audigy2nx_proc_read);
1338                 break;
1339
1340         case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
1341         case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C400 */
1342                 err = snd_c400_create_mixer(mixer);
1343                 break;
1344
1345         case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1346         case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1347                 err = snd_ftu_create_mixer(mixer);
1348                 break;
1349
1350         case USB_ID(0x0b05, 0x1739): /* ASUS Xonar U1 */
1351         case USB_ID(0x0b05, 0x1743): /* ASUS Xonar U1 (2) */
1352         case USB_ID(0x0b05, 0x17a0): /* ASUS Xonar U3 */
1353                 err = snd_xonar_u1_controls_create(mixer);
1354                 break;
1355
1356         case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1357                 err = snd_nativeinstruments_create_mixer(mixer,
1358                                 snd_nativeinstruments_ta6_mixers,
1359                                 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1360                 break;
1361
1362         case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1363                 err = snd_nativeinstruments_create_mixer(mixer,
1364                                 snd_nativeinstruments_ta10_mixers,
1365                                 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1366                 break;
1367
1368         case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1369                 /* detection is disabled in mixer_maps.c */
1370                 err = snd_create_std_mono_table(mixer, ebox44_table);
1371                 break;
1372         }
1373
1374         return err;
1375 }
1376
1377 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1378                                     int unitid)
1379 {
1380         if (!mixer->rc_cfg)
1381                 return;
1382         /* unit ids specific to Extigy/Audigy 2 NX: */
1383         switch (unitid) {
1384         case 0: /* remote control */
1385                 mixer->rc_urb->dev = mixer->chip->dev;
1386                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1387                 break;
1388         case 4: /* digital in jack */
1389         case 7: /* line in jacks */
1390         case 19: /* speaker out jacks */
1391         case 20: /* headphones out jack */
1392                 break;
1393         /* live24ext: 4 = line-in jack */
1394         case 3: /* hp-out jack (may actuate Mute) */
1395                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1396                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1397                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1398                 break;
1399         default:
1400                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
1401                 break;
1402         }
1403 }
1404