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(struct usb_mixer_interface *mixer,
  67                                 unsigned int unitid,
  68                                 unsigned int control,
  69                                 unsigned int cmask,
  70                                 int val_type,
  71                                 const char *name,
  72                                 snd_kcontrol_tlv_rw_t *tlv_callback)
  73 {
  74         int err;
  75         struct usb_mixer_elem_info *cval;
  76         struct snd_kcontrol *kctl;
  77
  78         cval = kzalloc(sizeof(*cval), GFP_KERNEL);
  79         if (!cval)
  80                 return -ENOMEM;
  81
  82         cval->id = unitid;
  83         cval->mixer = mixer;
  84         cval->val_type = val_type;
  85         cval->channels = 1;
  86         cval->control = control;
  87         cval->cmask = cmask;
  88
  89         /* get_min_max() is called only for integer volumes later,
  90          * so provide a short-cut for booleans */
  91         cval->min = 0;
  92         cval->max = 1;
  93         cval->res = 0;
  94         cval->dBmin = 0;
  95         cval->dBmax = 0;
  96
  97         /* Create control */
  98         kctl = snd_ctl_new1(snd_usb_feature_unit_ctl, cval);
  99         if (!kctl) {
 100                 kfree(cval);
 101                 return -ENOMEM;
 102         }
 103
 104         /* Set name */
 105         snprintf(kctl->id.name, sizeof(kctl->id.name), name);
 106         kctl->private_free = usb_mixer_elem_free;
 107
 108         /* set TLV */
 109         if (tlv_callback) {
 110                 kctl->tlv.c = tlv_callback;
 111                 kctl->vd[0].access |=
 112                         SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 113                         SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 114         }
 115         /* Add control to mixer */
 116         err = snd_usb_mixer_add_control(mixer, kctl);
 117         if (err < 0)
 118                 return err;
 119
 120         return 0;
 121 }
 122
 123 /*
 124  * Create a set of standard UAC controls from a table
 125  */
 126 static int snd_create_std_mono_table(struct usb_mixer_interface *mixer,
 127                                 struct std_mono_table *t)
 128 {
 129         int err;
 130
 131         while (t->name != NULL) {
 132                 err = snd_create_std_mono_ctl(mixer, t->unitid, t->control,
 133                                 t->cmask, t->val_type, t->name, t->tlv_callback);
 134                 if (err < 0)
 135                         return err;
 136                 t++;
 137         }
 138
 139         return 0;
 140 }
 141
 142 /*
 143  * Sound Blaster remote control configuration
 144  *
 145  * format of remote control data:
 146  * Extigy:       xx 00
 147  * Audigy 2 NX:  06 80 xx 00 00 00
 148  * Live! 24-bit: 06 80 xx yy 22 83
 149  */
 150 static const struct rc_config {
 151         u32 usb_id;
 152         u8  offset;
 153         u8  length;
 154         u8  packet_length;
 155         u8  min_packet_length; /* minimum accepted length of the URB result */
 156         u8  mute_mixer_id;
 157         u32 mute_code;
 158 } rc_configs[] = {
 159         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
 160         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
 161         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 162         { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
 163         { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
 164         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 165 };
 166
 167 static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 168 {
 169         struct usb_mixer_interface *mixer = urb->context;
 170         const struct rc_config *rc = mixer->rc_cfg;
 171         u32 code;
 172
 173         if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 174                 return;
 175
 176         code = mixer->rc_buffer[rc->offset];
 177         if (rc->length == 2)
 178                 code |= mixer->rc_buffer[rc->offset + 1] << 8;
 179
 180         /* the Mute button actually changes the mixer control */
 181         if (code == rc->mute_code)
 182                 snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
 183         mixer->rc_code = code;
 184         wmb();
 185         wake_up(&mixer->rc_waitq);
 186 }
 187
 188 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 189                                      long count, loff_t *offset)
 190 {
 191         struct usb_mixer_interface *mixer = hw->private_data;
 192         int err;
 193         u32 rc_code;
 194
 195         if (count != 1 && count != 4)
 196                 return -EINVAL;
 197         err = wait_event_interruptible(mixer->rc_waitq,
 198                                        (rc_code = xchg(&mixer->rc_code, 0)) != 0);
 199         if (err == 0) {
 200                 if (count == 1)
 201                         err = put_user(rc_code, buf);
 202                 else
 203                         err = put_user(rc_code, (u32 __user *)buf);
 204         }
 205         return err < 0 ? err : count;
 206 }
 207
 208 static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 209                                             poll_table *wait)
 210 {
 211         struct usb_mixer_interface *mixer = hw->private_data;
 212
 213         poll_wait(file, &mixer->rc_waitq, wait);
 214         return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
 215 }
 216
 217 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
 218 {
 219         struct snd_hwdep *hwdep;
 220         int err, len, i;
 221
 222         for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
 223                 if (rc_configs[i].usb_id == mixer->chip->usb_id)
 224                         break;
 225         if (i >= ARRAY_SIZE(rc_configs))
 226                 return 0;
 227         mixer->rc_cfg = &rc_configs[i];
 228
 229         len = mixer->rc_cfg->packet_length;
 230
 231         init_waitqueue_head(&mixer->rc_waitq);
 232         err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
 233         if (err < 0)
 234                 return err;
 235         snprintf(hwdep->name, sizeof(hwdep->name),
 236                  "%s remote control", mixer->chip->card->shortname);
 237         hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
 238         hwdep->private_data = mixer;
 239         hwdep->ops.read = snd_usb_sbrc_hwdep_read;
 240         hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
 241         hwdep->exclusive = 1;
 242
 243         mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
 244         if (!mixer->rc_urb)
 245                 return -ENOMEM;
 246         mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
 247         if (!mixer->rc_setup_packet) {
 248                 usb_free_urb(mixer->rc_urb);
 249                 mixer->rc_urb = NULL;
 250                 return -ENOMEM;
 251         }
 252         mixer->rc_setup_packet->bRequestType =
 253                 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
 254         mixer->rc_setup_packet->bRequest = UAC_GET_MEM;
 255         mixer->rc_setup_packet->wValue = cpu_to_le16(0);
 256         mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
 257         mixer->rc_setup_packet->wLength = cpu_to_le16(len);
 258         usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
 259                              usb_rcvctrlpipe(mixer->chip->dev, 0),
 260                              (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
 261                              snd_usb_soundblaster_remote_complete, mixer);
 262         return 0;
 263 }
 264
 265 #define snd_audigy2nx_led_info          snd_ctl_boolean_mono_info
 266
 267 static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 268 {
 269         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 270         int index = kcontrol->private_value;
 271
 272         ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
 273         return 0;
 274 }
 275
 276 static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 277 {
 278         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 279         int index = kcontrol->private_value;
 280         int value = ucontrol->value.integer.value[0];
 281         int err, changed;
 282
 283         if (value > 1)
 284                 return -EINVAL;
 285         changed = value != mixer->audigy2nx_leds[index];
 286         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
 287                 err = snd_usb_ctl_msg(mixer->chip->dev,
 288                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 289                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 290                               !value, 0, NULL, 0);
 291         /* USB X-Fi S51 Pro */
 292         if (mixer->chip->usb_id == USB_ID(0x041e, 0x30df))
 293                 err = snd_usb_ctl_msg(mixer->chip->dev,
 294                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 295                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 296                               !value, 0, NULL, 0);
 297         else
 298                 err = snd_usb_ctl_msg(mixer->chip->dev,
 299                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 300                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 301                               value, index + 2, NULL, 0);
 302         if (err < 0)
 303                 return err;
 304         mixer->audigy2nx_leds[index] = value;
 305         return changed;
 306 }
 307
 308 static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
 309         {
 310                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 311                 .name = "CMSS LED Switch",
 312                 .info = snd_audigy2nx_led_info,
 313                 .get = snd_audigy2nx_led_get,
 314                 .put = snd_audigy2nx_led_put,
 315                 .private_value = 0,
 316         },
 317         {
 318                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 319                 .name = "Power LED Switch",
 320                 .info = snd_audigy2nx_led_info,
 321                 .get = snd_audigy2nx_led_get,
 322                 .put = snd_audigy2nx_led_put,
 323                 .private_value = 1,
 324         },
 325         {
 326                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 327                 .name = "Dolby Digital LED Switch",
 328                 .info = snd_audigy2nx_led_info,
 329                 .get = snd_audigy2nx_led_get,
 330                 .put = snd_audigy2nx_led_put,
 331                 .private_value = 2,
 332         },
 333 };
 334
 335 static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
 336 {
 337         int i, err;
 338
 339         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
 340                 /* USB X-Fi S51 doesn't have a CMSS LED */
 341                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
 342                         continue;
 343                 /* USB X-Fi S51 Pro doesn't have one either */
 344                 if ((mixer->chip->usb_id == USB_ID(0x041e, 0x30df)) && i == 0)
 345                         continue;
 346                 if (i > 1 && /* Live24ext has 2 LEDs only */
 347                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 348                          mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
 349                          mixer->chip->usb_id == USB_ID(0x041e, 0x30df) ||
 350                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
 351                         break;
 352                 err = snd_ctl_add(mixer->chip->card,
 353                                   snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
 354                 if (err < 0)
 355                         return err;
 356         }
 357         mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
 358         return 0;
 359 }
 360
 361 static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 362                                     struct snd_info_buffer *buffer)
 363 {
 364         static const struct sb_jack {
 365                 int unitid;
 366                 const char *name;
 367         }  jacks_audigy2nx[] = {
 368                 {4,  "dig in "},
 369                 {7,  "line in"},
 370                 {19, "spk out"},
 371                 {20, "hph out"},
 372                 {-1, NULL}
 373         }, jacks_live24ext[] = {
 374                 {4,  "line in"}, /* &1=Line, &2=Mic*/
 375                 {3,  "hph out"}, /* headphones */
 376                 {0,  "RC     "}, /* last command, 6 bytes see rc_config above */
 377                 {-1, NULL}
 378         };
 379         const struct sb_jack *jacks;
 380         struct usb_mixer_interface *mixer = entry->private_data;
 381         int i, err;
 382         u8 buf[3];
 383
 384         snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
 385         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
 386                 jacks = jacks_audigy2nx;
 387         else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
 388                  mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
 389                 jacks = jacks_live24ext;
 390         else
 391                 return;
 392
 393         for (i = 0; jacks[i].name; ++i) {
 394                 snd_iprintf(buffer, "%s: ", jacks[i].name);
 395                 err = snd_usb_ctl_msg(mixer->chip->dev,
 396                                       usb_rcvctrlpipe(mixer->chip->dev, 0),
 397                                       UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 398                                       USB_RECIP_INTERFACE, 0,
 399                                       jacks[i].unitid << 8, buf, 3);
 400                 if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 401                         snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 402                 else
 403                         snd_iprintf(buffer, "?\n");
 404         }
 405 }
 406
 407 static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
 408                                    struct snd_ctl_elem_value *ucontrol)
 409 {
 410         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 411
 412         ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
 413         return 0;
 414 }
 415
 416 static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 417                                    struct snd_ctl_elem_value *ucontrol)
 418 {
 419         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 420         u8 old_status, new_status;
 421         int err, changed;
 422
 423         old_status = mixer->xonar_u1_status;
 424         if (ucontrol->value.integer.value[0])
 425                 new_status = old_status | 0x02;
 426         else
 427                 new_status = old_status & ~0x02;
 428         changed = new_status != old_status;
 429         err = snd_usb_ctl_msg(mixer->chip->dev,
 430                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 431                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 432                               50, 0, &new_status, 1);
 433         if (err < 0)
 434                 return err;
 435         mixer->xonar_u1_status = new_status;
 436         return changed;
 437 }
 438
 439 static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
 440         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 441         .name = "Digital Playback Switch",
 442         .info = snd_ctl_boolean_mono_info,
 443         .get = snd_xonar_u1_switch_get,
 444         .put = snd_xonar_u1_switch_put,
 445 };
 446
 447 static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
 448 {
 449         int err;
 450
 451         err = snd_ctl_add(mixer->chip->card,
 452                           snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
 453         if (err < 0)
 454                 return err;
 455         mixer->xonar_u1_status = 0x05;
 456         return 0;
 457 }
 458
 459 /* Native Instruments device quirks */
 460
 461 #define _MAKE_NI_CONTROL(bRequest,wIndex) ((bRequest) << 16 | (wIndex))
 462
 463 static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 464                                              struct snd_ctl_elem_value *ucontrol)
 465 {
 466         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 467         struct usb_device *dev = mixer->chip->dev;
 468         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 469         u16 wIndex = kcontrol->private_value & 0xffff;
 470         u8 tmp;
 471
 472         int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
 473                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 474                                   0, cpu_to_le16(wIndex),
 475                                   &tmp, sizeof(tmp), 1000);
 476
 477         if (ret < 0) {
 478                 snd_printk(KERN_ERR
 479                            "unable to issue vendor read request (ret = %d)", ret);
 480                 return ret;
 481         }
 482
 483         ucontrol->value.integer.value[0] = tmp;
 484
 485         return 0;
 486 }
 487
 488 static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 489                                              struct snd_ctl_elem_value *ucontrol)
 490 {
 491         struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
 492         struct usb_device *dev = mixer->chip->dev;
 493         u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 494         u16 wIndex = kcontrol->private_value & 0xffff;
 495         u16 wValue = ucontrol->value.integer.value[0];
 496
 497         int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
 498                                   USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 499                                   cpu_to_le16(wValue), cpu_to_le16(wIndex),
 500                                   NULL, 0, 1000);
 501
 502         if (ret < 0) {
 503                 snd_printk(KERN_ERR
 504                            "unable to issue vendor write request (ret = %d)", ret);
 505                 return ret;
 506         }
 507
 508         return 0;
 509 }
 510
 511 static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = {
 512         {
 513                 .name = "Direct Thru Channel A",
 514                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 515         },
 516         {
 517                 .name = "Direct Thru Channel B",
 518                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 519         },
 520         {
 521                 .name = "Phono Input Channel A",
 522                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 523         },
 524         {
 525                 .name = "Phono Input Channel B",
 526                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 527         },
 528 };
 529
 530 static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = {
 531         {
 532                 .name = "Direct Thru Channel A",
 533                 .private_value = _MAKE_NI_CONTROL(0x01, 0x03),
 534         },
 535         {
 536                 .name = "Direct Thru Channel B",
 537                 .private_value = _MAKE_NI_CONTROL(0x01, 0x05),
 538         },
 539         {
 540                 .name = "Direct Thru Channel C",
 541                 .private_value = _MAKE_NI_CONTROL(0x01, 0x07),
 542         },
 543         {
 544                 .name = "Direct Thru Channel D",
 545                 .private_value = _MAKE_NI_CONTROL(0x01, 0x09),
 546         },
 547         {
 548                 .name = "Phono Input Channel A",
 549                 .private_value = _MAKE_NI_CONTROL(0x02, 0x03),
 550         },
 551         {
 552                 .name = "Phono Input Channel B",
 553                 .private_value = _MAKE_NI_CONTROL(0x02, 0x05),
 554         },
 555         {
 556                 .name = "Phono Input Channel C",
 557                 .private_value = _MAKE_NI_CONTROL(0x02, 0x07),
 558         },
 559         {
 560                 .name = "Phono Input Channel D",
 561                 .private_value = _MAKE_NI_CONTROL(0x02, 0x09),
 562         },
 563 };
 564
 565 static int snd_nativeinstruments_create_mixer(struct usb_mixer_interface *mixer,
 566                                               const struct snd_kcontrol_new *kc,
 567                                               unsigned int count)
 568 {
 569         int i, err = 0;
 570         struct snd_kcontrol_new template = {
 571                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 572                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 573                 .get = snd_nativeinstruments_control_get,
 574                 .put = snd_nativeinstruments_control_put,
 575                 .info = snd_ctl_boolean_mono_info,
 576         };
 577
 578         for (i = 0; i < count; i++) {
 579                 struct snd_kcontrol *c;
 580
 581                 template.name = kc[i].name;
 582                 template.private_value = kc[i].private_value;
 583
 584                 c = snd_ctl_new1(&template, mixer);
 585                 err = snd_ctl_add(mixer->chip->card, c);
 586
 587                 if (err < 0)
 588                         break;
 589         }
 590
 591         return err;
 592 }
 593
 594 /* M-Audio FastTrack Ultra quirks */
 595 /* FTU Effect switch */
 596 struct snd_ftu_eff_switch_priv_val {
 597         struct usb_mixer_interface *mixer;
 598         int cached_value;
 599         int is_cached;
 600 };
 601
 602 static int snd_ftu_eff_switch_info(struct snd_kcontrol *kcontrol,
 603                                         struct snd_ctl_elem_info *uinfo)
 604 {
 605         static const char *texts[8] = {"Room 1",
 606                                        "Room 2",
 607                                        "Room 3",
 608                                        "Hall 1",
 609                                        "Hall 2",
 610                                        "Plate",
 611                                        "Delay",
 612                                        "Echo"
 613         };
 614
 615         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 616         uinfo->count = 1;
 617         uinfo->value.enumerated.items = 8;
 618         if (uinfo->value.enumerated.item > 7)
 619                 uinfo->value.enumerated.item = 7;
 620         strcpy(uinfo->value.enumerated.name,
 621                 texts[uinfo->value.enumerated.item]);
 622
 623         return 0;
 624 }
 625
 626 static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
 627                                         struct snd_ctl_elem_value *ucontrol)
 628 {
 629         struct snd_usb_audio *chip;
 630         struct usb_mixer_interface *mixer;
 631         struct snd_ftu_eff_switch_priv_val *pval;
 632         int err;
 633         unsigned char value[2];
 634
 635         const int id = 6;
 636         const int validx = 1;
 637         const int val_len = 2;
 638
 639         value[0] = 0x00;
 640         value[1] = 0x00;
 641
 642         pval = (struct snd_ftu_eff_switch_priv_val *)
 643                 kctl->private_value;
 644
 645         if (pval->is_cached) {
 646                 ucontrol->value.enumerated.item[0] = pval->cached_value;
 647                 return 0;
 648         }
 649
 650         mixer = (struct usb_mixer_interface *) pval->mixer;
 651         if (snd_BUG_ON(!mixer))
 652                 return -EINVAL;
 653
 654         chip = (struct snd_usb_audio *) mixer->chip;
 655         if (snd_BUG_ON(!chip))
 656                 return -EINVAL;
 657
 658
 659         err = snd_usb_ctl_msg(chip->dev,
 660                         usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 661                         USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 662                         validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 663                         value, val_len);
 664         if (err < 0)
 665                 return err;
 666
 667         ucontrol->value.enumerated.item[0] = value[0];
 668         pval->cached_value = value[0];
 669         pval->is_cached = 1;
 670
 671         return 0;
 672 }
 673
 674 static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 675                                         struct snd_ctl_elem_value *ucontrol)
 676 {
 677         struct snd_usb_audio *chip;
 678         struct snd_ftu_eff_switch_priv_val *pval;
 679
 680         struct usb_mixer_interface *mixer;
 681         int changed, cur_val, err, new_val;
 682         unsigned char value[2];
 683
 684
 685         const int id = 6;
 686         const int validx = 1;
 687         const int val_len = 2;
 688
 689         changed = 0;
 690
 691         pval = (struct snd_ftu_eff_switch_priv_val *)
 692                 kctl->private_value;
 693         cur_val = pval->cached_value;
 694         new_val = ucontrol->value.enumerated.item[0];
 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         if (!pval->is_cached) {
 705                 /* Read current value */
 706                 err = snd_usb_ctl_msg(chip->dev,
 707                                 usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 708                                 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 709                                 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 710                                 value, val_len);
 711                 if (err < 0)
 712                         return err;
 713
 714                 cur_val = value[0];
 715                 pval->cached_value = cur_val;
 716                 pval->is_cached = 1;
 717         }
 718         /* update value if needed */
 719         if (cur_val != new_val) {
 720                 value[0] = new_val;
 721                 value[1] = 0;
 722                 err = snd_usb_ctl_msg(chip->dev,
 723                                 usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 724                                 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 725                                 validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 726                                 value, val_len);
 727                 if (err < 0)
 728                         return err;
 729
 730                 pval->cached_value = new_val;
 731                 pval->is_cached = 1;
 732                 changed = 1;
 733         }
 734
 735         return changed;
 736 }
 737
 738 static int snd_ftu_create_effect_switch(struct usb_mixer_interface *mixer)
 739 {
 740         static struct snd_kcontrol_new template = {
 741                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 742                 .name = "Effect Program Switch",
 743                 .index = 0,
 744                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 745                 .info = snd_ftu_eff_switch_info,
 746                 .get = snd_ftu_eff_switch_get,
 747                 .put = snd_ftu_eff_switch_put
 748         };
 749
 750         int err;
 751         struct snd_kcontrol *kctl;
 752         struct snd_ftu_eff_switch_priv_val *pval;
 753
 754         pval = kzalloc(sizeof(*pval), GFP_KERNEL);
 755         if (!pval)
 756                 return -ENOMEM;
 757
 758         pval->cached_value = 0;
 759         pval->is_cached = 0;
 760         pval->mixer = mixer;
 761
 762         template.private_value = (unsigned long) pval;
 763         kctl = snd_ctl_new1(&template, mixer->chip);
 764         if (!kctl) {
 765                 kfree(pval);
 766                 return -ENOMEM;
 767         }
 768
 769         err = snd_ctl_add(mixer->chip->card, kctl);
 770         if (err < 0)
 771                 return err;
 772
 773         return 0;
 774 }
 775
 776 /* Create volume controls for FTU devices*/
 777 static int snd_ftu_create_volume_ctls(struct usb_mixer_interface *mixer)
 778 {
 779         char name[64];
 780         unsigned int control, cmask;
 781         int in, out, err;
 782
 783         const unsigned int id = 5;
 784         const int val_type = USB_MIXER_S16;
 785
 786         for (out = 0; out < 8; out++) {
 787                 control = out + 1;
 788                 for (in = 0; in < 8; in++) {
 789                         cmask = 1 << in;
 790                         snprintf(name, sizeof(name),
 791                                 "AIn%d - Out%d Capture Volume",
 792                                 in  + 1, out + 1);
 793                         err = snd_create_std_mono_ctl(mixer, id, control,
 794                                                         cmask, val_type, name,
 795                                                         &snd_usb_mixer_vol_tlv);
 796                         if (err < 0)
 797                                 return err;
 798                 }
 799                 for (in = 8; in < 16; in++) {
 800                         cmask = 1 << in;
 801                         snprintf(name, sizeof(name),
 802                                 "DIn%d - Out%d Playback Volume",
 803                                 in - 7, out + 1);
 804                         err = snd_create_std_mono_ctl(mixer, id, control,
 805                                                         cmask, val_type, name,
 806                                                         &snd_usb_mixer_vol_tlv);
 807                         if (err < 0)
 808                                 return err;
 809                 }
 810         }
 811
 812         return 0;
 813 }
 814
 815 /* This control needs a volume quirk, see mixer.c */
 816 static int snd_ftu_create_effect_volume_ctl(struct usb_mixer_interface *mixer)
 817 {
 818         static const char name[] = "Effect Volume";
 819         const unsigned int id = 6;
 820         const int val_type = USB_MIXER_U8;
 821         const unsigned int control = 2;
 822         const unsigned int cmask = 0;
 823
 824         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 825                                         name, snd_usb_mixer_vol_tlv);
 826 }
 827
 828 /* This control needs a volume quirk, see mixer.c */
 829 static int snd_ftu_create_effect_duration_ctl(struct usb_mixer_interface *mixer)
 830 {
 831         static const char name[] = "Effect Duration";
 832         const unsigned int id = 6;
 833         const int val_type = USB_MIXER_S16;
 834         const unsigned int control = 3;
 835         const unsigned int cmask = 0;
 836
 837         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 838                                         name, snd_usb_mixer_vol_tlv);
 839 }
 840
 841 /* This control needs a volume quirk, see mixer.c */
 842 static int snd_ftu_create_effect_feedback_ctl(struct usb_mixer_interface *mixer)
 843 {
 844         static const char name[] = "Effect Feedback Volume";
 845         const unsigned int id = 6;
 846         const int val_type = USB_MIXER_U8;
 847         const unsigned int control = 4;
 848         const unsigned int cmask = 0;
 849
 850         return snd_create_std_mono_ctl(mixer, id, control, cmask, val_type,
 851                                         name, NULL);
 852 }
 853
 854 static int snd_ftu_create_effect_return_ctls(struct usb_mixer_interface *mixer)
 855 {
 856         unsigned int cmask;
 857         int err, ch;
 858         char name[48];
 859
 860         const unsigned int id = 7;
 861         const int val_type = USB_MIXER_S16;
 862         const unsigned int control = 7;
 863
 864         for (ch = 0; ch < 4; ++ch) {
 865                 cmask = 1 << ch;
 866                 snprintf(name, sizeof(name),
 867                         "Effect Return %d Volume", ch + 1);
 868                 err = snd_create_std_mono_ctl(mixer, id, control,
 869                                                 cmask, val_type, name,
 870                                                 snd_usb_mixer_vol_tlv);
 871                 if (err < 0)
 872                         return err;
 873         }
 874
 875         return 0;
 876 }
 877
 878 static int snd_ftu_create_effect_send_ctls(struct usb_mixer_interface *mixer)
 879 {
 880         unsigned int  cmask;
 881         int err, ch;
 882         char name[48];
 883
 884         const unsigned int id = 5;
 885         const int val_type = USB_MIXER_S16;
 886         const unsigned int control = 9;
 887
 888         for (ch = 0; ch < 8; ++ch) {
 889                 cmask = 1 << ch;
 890                 snprintf(name, sizeof(name),
 891                         "Effect Send AIn%d Volume", ch + 1);
 892                 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
 893                                                 val_type, name,
 894                                                 snd_usb_mixer_vol_tlv);
 895                 if (err < 0)
 896                         return err;
 897         }
 898         for (ch = 8; ch < 16; ++ch) {
 899                 cmask = 1 << ch;
 900                 snprintf(name, sizeof(name),
 901                         "Effect Send DIn%d Volume", ch - 7);
 902                 err = snd_create_std_mono_ctl(mixer, id, control, cmask,
 903                                                 val_type, name,
 904                                                 snd_usb_mixer_vol_tlv);
 905                 if (err < 0)
 906                         return err;
 907         }
 908         return 0;
 909 }
 910
 911 static int snd_ftu_create_mixer(struct usb_mixer_interface *mixer)
 912 {
 913         int err;
 914
 915         err = snd_ftu_create_volume_ctls(mixer);
 916         if (err < 0)
 917                 return err;
 918
 919         err = snd_ftu_create_effect_switch(mixer);
 920         if (err < 0)
 921                 return err;
 922         err = snd_ftu_create_effect_volume_ctl(mixer);
 923         if (err < 0)
 924                 return err;
 925
 926         err = snd_ftu_create_effect_duration_ctl(mixer);
 927         if (err < 0)
 928                 return err;
 929
 930         err = snd_ftu_create_effect_feedback_ctl(mixer);
 931         if (err < 0)
 932                 return err;
 933
 934         err = snd_ftu_create_effect_return_ctls(mixer);
 935         if (err < 0)
 936                 return err;
 937
 938         err = snd_ftu_create_effect_send_ctls(mixer);
 939         if (err < 0)
 940                 return err;
 941
 942         return 0;
 943 }
 944
 945 void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 946                                unsigned char samplerate_id)
 947 {
 948         struct usb_mixer_interface *mixer;
 949         struct usb_mixer_elem_info *cval;
 950         int unitid = 12; /* SamleRate ExtensionUnit ID */
 951
 952         list_for_each_entry(mixer, &chip->mixer_list, list) {
 953                 cval = mixer->id_elems[unitid];
 954                 if (cval) {
 955                         snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
 956                                                     cval->control << 8,
 957                                                     samplerate_id);
 958                         snd_usb_mixer_notify_id(mixer, unitid);
 959                 }
 960                 break;
 961         }
 962 }
 963
 964 /*
 965  * The mixer units for Ebox-44 are corrupt, and even where they
 966  * are valid they presents mono controls as L and R channels of
 967  * stereo. So we provide a good mixer here.
 968  */
 969 struct std_mono_table ebox44_table[] = {
 970         {
 971                 .unitid = 4,
 972                 .control = 1,
 973                 .cmask = 0x0,
 974                 .val_type = USB_MIXER_INV_BOOLEAN,
 975                 .name = "Headphone Playback Switch"
 976         },
 977         {
 978                 .unitid = 4,
 979                 .control = 2,
 980                 .cmask = 0x1,
 981                 .val_type = USB_MIXER_S16,
 982                 .name = "Headphone A Mix Playback Volume"
 983         },
 984         {
 985                 .unitid = 4,
 986                 .control = 2,
 987                 .cmask = 0x2,
 988                 .val_type = USB_MIXER_S16,
 989                 .name = "Headphone B Mix Playback Volume"
 990         },
 991
 992         {
 993                 .unitid = 7,
 994                 .control = 1,
 995                 .cmask = 0x0,
 996                 .val_type = USB_MIXER_INV_BOOLEAN,
 997                 .name = "Output Playback Switch"
 998         },
 999         {
1000                 .unitid = 7,
1001                 .control = 2,
1002                 .cmask = 0x1,
1003                 .val_type = USB_MIXER_S16,
1004                 .name = "Output A Playback Volume"
1005         },
1006         {
1007                 .unitid = 7,
1008                 .control = 2,
1009                 .cmask = 0x2,
1010                 .val_type = USB_MIXER_S16,
1011                 .name = "Output B Playback Volume"
1012         },
1013
1014         {
1015                 .unitid = 10,
1016                 .control = 1,
1017                 .cmask = 0x0,
1018                 .val_type = USB_MIXER_INV_BOOLEAN,
1019                 .name = "Input Capture Switch"
1020         },
1021         {
1022                 .unitid = 10,
1023                 .control = 2,
1024                 .cmask = 0x1,
1025                 .val_type = USB_MIXER_S16,
1026                 .name = "Input A Capture Volume"
1027         },
1028         {
1029                 .unitid = 10,
1030                 .control = 2,
1031                 .cmask = 0x2,
1032                 .val_type = USB_MIXER_S16,
1033                 .name = "Input B Capture Volume"
1034         },
1035
1036         {}
1037 };
1038
1039 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
1040 {
1041         int err = 0;
1042         struct snd_info_entry *entry;
1043
1044         if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0)
1045                 return err;
1046
1047         switch (mixer->chip->usb_id) {
1048         case USB_ID(0x041e, 0x3020):
1049         case USB_ID(0x041e, 0x3040):
1050         case USB_ID(0x041e, 0x3042):
1051         case USB_ID(0x041e, 0x30df):
1052         case USB_ID(0x041e, 0x3048):
1053                 err = snd_audigy2nx_controls_create(mixer);
1054                 if (err < 0)
1055                         break;
1056                 if (!snd_card_proc_new(mixer->chip->card, "audigy2nx", &entry))
1057                         snd_info_set_text_ops(entry, mixer,
1058                                               snd_audigy2nx_proc_read);
1059                 break;
1060
1061         case USB_ID(0x0763, 0x2080): /* M-Audio Fast Track Ultra */
1062         case USB_ID(0x0763, 0x2081): /* M-Audio Fast Track Ultra 8R */
1063                 err = snd_ftu_create_mixer(mixer);
1064                 break;
1065
1066         case USB_ID(0x0b05, 0x1739):
1067         case USB_ID(0x0b05, 0x1743):
1068                 err = snd_xonar_u1_controls_create(mixer);
1069                 break;
1070
1071         case USB_ID(0x17cc, 0x1011): /* Traktor Audio 6 */
1072                 err = snd_nativeinstruments_create_mixer(mixer,
1073                                 snd_nativeinstruments_ta6_mixers,
1074                                 ARRAY_SIZE(snd_nativeinstruments_ta6_mixers));
1075                 break;
1076
1077         case USB_ID(0x17cc, 0x1021): /* Traktor Audio 10 */
1078                 err = snd_nativeinstruments_create_mixer(mixer,
1079                                 snd_nativeinstruments_ta10_mixers,
1080                                 ARRAY_SIZE(snd_nativeinstruments_ta10_mixers));
1081                 break;
1082
1083         case USB_ID(0x200c, 0x1018): /* Electrix Ebox-44 */
1084                 /* detection is disabled in mixer_maps.c */
1085                 err = snd_create_std_mono_table(mixer, ebox44_table);
1086                 break;
1087         }
1088
1089         return err;
1090 }
1091
1092 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
1093                                     int unitid)
1094 {
1095         if (!mixer->rc_cfg)
1096                 return;
1097         /* unit ids specific to Extigy/Audigy 2 NX: */
1098         switch (unitid) {
1099         case 0: /* remote control */
1100                 mixer->rc_urb->dev = mixer->chip->dev;
1101                 usb_submit_urb(mixer->rc_urb, GFP_ATOMIC);
1102                 break;
1103         case 4: /* digital in jack */
1104         case 7: /* line in jacks */
1105         case 19: /* speaker out jacks */
1106         case 20: /* headphones out jack */
1107                 break;
1108         /* live24ext: 4 = line-in jack */
1109         case 3: /* hp-out jack (may actuate Mute) */
1110                 if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
1111                     mixer->chip->usb_id == USB_ID(0x041e, 0x3048))
1112                         snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id);
1113                 break;
1114         default:
1115                 snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid);
1116                 break;
1117         }
1118 }
1119