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