1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Tascam US-16x08 ALSA driver 4 * 5 * Copyright (c) 2016 by Detlef Urban (onkel@paraair.de) 6 */ 7 8 #include <linux/slab.h> 9 #include <linux/usb.h> 10 #include <linux/usb/audio-v2.h> 11 12 #include <sound/core.h> 13 #include <sound/control.h> 14 15 #include "usbaudio.h" 16 #include "mixer.h" 17 #include "helper.h" 18 19 #include "mixer_us16x08.h" 20 21 /* USB control message templates */ 22 static const char route_msg[] = { 23 0x61, 24 0x02, 25 0x03, /* input from master (0x02) or input from computer bus (0x03) */ 26 0x62, 27 0x02, 28 0x01, /* input index (0x01/0x02 eq. left/right) or bus (0x01-0x08) */ 29 0x41, 30 0x01, 31 0x61, 32 0x02, 33 0x01, 34 0x62, 35 0x02, 36 0x01, /* output index (0x01-0x08) */ 37 0x42, 38 0x01, 39 0x43, 40 0x01, 41 0x00, 42 0x00 43 }; 44 45 static const char mix_init_msg1[] = { 46 0x71, 0x01, 0x00, 0x00 47 }; 48 49 static const char mix_init_msg2[] = { 50 0x62, 0x02, 0x00, 0x61, 0x02, 0x04, 0xb1, 0x01, 0x00, 0x00 51 }; 52 53 static const char mix_msg_in[] = { 54 /* default message head, equal to all mixers */ 55 0x61, 0x02, 0x04, 0x62, 0x02, 0x01, 56 0x81, /* 0x06: Controller ID */ 57 0x02, /* 0x07: */ 58 0x00, /* 0x08: Value of common mixer */ 59 0x00, 60 0x00 61 }; 62 63 static const char mix_msg_out[] = { 64 /* default message head, equal to all mixers */ 65 0x61, 0x02, 0x02, 0x62, 0x02, 0x01, 66 0x81, /* 0x06: Controller ID */ 67 0x02, /* 0x07: */ 68 0x00, /* 0x08: Value of common mixer */ 69 0x00, 70 0x00 71 }; 72 73 static const char bypass_msg_out[] = { 74 0x45, 75 0x02, 76 0x01, /* on/off flag */ 77 0x00, 78 0x00 79 }; 80 81 static const char bus_msg_out[] = { 82 0x44, 83 0x02, 84 0x01, /* on/off flag */ 85 0x00, 86 0x00 87 }; 88 89 static const char comp_msg[] = { 90 /* default message head, equal to all mixers */ 91 0x61, 0x02, 0x04, 0x62, 0x02, 0x01, 92 0x91, 93 0x02, 94 0xf0, /* 0x08: Threshold db (8) (e0 ... 00) (+-0dB -- -32dB) x-32 */ 95 0x92, 96 0x02, 97 0x0a, /* 0x0b: Ratio (0a,0b,0d,0f,11,14,19,1e,23,28,32,3c,50,a0,ff) */ 98 0x93, 99 0x02, 100 0x02, /* 0x0e: Attack (0x02 ... 0xc0) (2ms ... 200ms) */ 101 0x94, 102 0x02, 103 0x01, /* 0x11: Release (0x01 ... 0x64) (10ms ... 1000ms) x*10 */ 104 0x95, 105 0x02, 106 0x03, /* 0x14: gain (0 ... 20) (0dB .. 20dB) */ 107 0x96, 108 0x02, 109 0x01, 110 0x97, 111 0x02, 112 0x01, /* 0x1a: main Comp switch (0 ... 1) (off ... on)) */ 113 0x00, 114 0x00 115 }; 116 117 static const char eqs_msq[] = { 118 /* default message head, equal to all mixers */ 119 0x61, 0x02, 0x04, 0x62, 0x02, 0x01, 120 0x51, /* 0x06: Controller ID */ 121 0x02, 122 0x04, /* 0x08: EQ set num (0x01..0x04) (LOW, LOWMID, HIGHMID, HIGH)) */ 123 0x52, 124 0x02, 125 0x0c, /* 0x0b: value dB (0 ... 12) (-12db .. +12db) x-6 */ 126 0x53, 127 0x02, 128 0x0f, /* 0x0e: value freq (32-47) (1.7kHz..18kHz) */ 129 0x54, 130 0x02, 131 0x02, /* 0x11: band width (0-6) (Q16-Q0.25) 2^x/4 (EQ xxMID only) */ 132 0x55, 133 0x02, 134 0x01, /* 0x14: main EQ switch (0 ... 1) (off ... on)) */ 135 0x00, 136 0x00 137 }; 138 139 /* compressor ratio map */ 140 static const char ratio_map[] = { 141 0x0a, 0x0b, 0x0d, 0x0f, 0x11, 0x14, 0x19, 0x1e, 142 0x23, 0x28, 0x32, 0x3c, 0x50, 0xa0, 0xff 143 }; 144 145 /* route enumeration names */ 146 static const char *const route_names[] = { 147 "Master Left", "Master Right", "Output 1", "Output 2", "Output 3", 148 "Output 4", "Output 5", "Output 6", "Output 7", "Output 8", 149 }; 150 151 static int snd_us16x08_recv_urb(struct snd_usb_audio *chip, 152 unsigned char *buf, int size) 153 { 154 155 guard(mutex)(&chip->mutex); 156 snd_usb_ctl_msg(chip->dev, 157 usb_rcvctrlpipe(chip->dev, 0), 158 SND_US16X08_URB_METER_REQUEST, 159 SND_US16X08_URB_METER_REQUESTTYPE, 0, 0, buf, size); 160 return 0; 161 } 162 163 /* wrapper function to send prepared URB buffer to usb device. Return an error 164 * code if something went wrong 165 */ 166 static int snd_us16x08_send_urb(struct snd_usb_audio *chip, char *buf, int size) 167 { 168 return snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), 169 SND_US16X08_URB_REQUEST, SND_US16X08_URB_REQUESTTYPE, 170 0, 0, buf, size); 171 } 172 173 static int snd_us16x08_route_info(struct snd_kcontrol *kcontrol, 174 struct snd_ctl_elem_info *uinfo) 175 { 176 return snd_ctl_enum_info(uinfo, 1, 10, route_names); 177 } 178 179 static int snd_us16x08_route_get(struct snd_kcontrol *kcontrol, 180 struct snd_ctl_elem_value *ucontrol) 181 { 182 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 183 int index = ucontrol->id.index; 184 185 /* route has no bias */ 186 ucontrol->value.enumerated.item[0] = elem->cache_val[index]; 187 188 return 0; 189 } 190 191 static int snd_us16x08_route_put(struct snd_kcontrol *kcontrol, 192 struct snd_ctl_elem_value *ucontrol) 193 { 194 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 195 struct snd_usb_audio *chip = elem->head.mixer->chip; 196 int index = ucontrol->id.index; 197 char buf[sizeof(route_msg)]; 198 int val, val_org, err; 199 200 /* get the new value (no bias for routes) */ 201 val = ucontrol->value.enumerated.item[0]; 202 203 /* sanity check */ 204 if (val < 0 || val > 9) 205 return -EINVAL; 206 207 /* prepare the message buffer from template */ 208 memcpy(buf, route_msg, sizeof(route_msg)); 209 210 if (val < 2) { 211 /* input comes from a master channel */ 212 val_org = val; 213 buf[2] = 0x02; 214 } else { 215 /* input comes from a computer channel */ 216 buf[2] = 0x03; 217 val_org = val - 2; 218 } 219 220 /* place new route selection in URB message */ 221 buf[5] = (unsigned char) (val_org & 0x0f) + 1; 222 /* place route selector in URB message */ 223 buf[13] = index + 1; 224 225 err = snd_us16x08_send_urb(chip, buf, sizeof(route_msg)); 226 227 if (err > 0) { 228 elem->cached |= 1 << index; 229 elem->cache_val[index] = val; 230 } else { 231 usb_audio_dbg(chip, "Failed to set routing, err:%d\n", err); 232 } 233 234 return err > 0 ? 1 : 0; 235 } 236 237 static int snd_us16x08_master_info(struct snd_kcontrol *kcontrol, 238 struct snd_ctl_elem_info *uinfo) 239 { 240 uinfo->count = 1; 241 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 242 uinfo->value.integer.max = SND_US16X08_KCMAX(kcontrol); 243 uinfo->value.integer.min = SND_US16X08_KCMIN(kcontrol); 244 uinfo->value.integer.step = SND_US16X08_KCSTEP(kcontrol); 245 return 0; 246 } 247 248 static int snd_us16x08_master_get(struct snd_kcontrol *kcontrol, 249 struct snd_ctl_elem_value *ucontrol) 250 { 251 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 252 int index = ucontrol->id.index; 253 254 ucontrol->value.integer.value[0] = elem->cache_val[index]; 255 256 return 0; 257 } 258 259 static int snd_us16x08_master_put(struct snd_kcontrol *kcontrol, 260 struct snd_ctl_elem_value *ucontrol) 261 { 262 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 263 struct snd_usb_audio *chip = elem->head.mixer->chip; 264 char buf[sizeof(mix_msg_out)]; 265 int val, err; 266 int index = ucontrol->id.index; 267 268 /* new control value incl. bias*/ 269 val = ucontrol->value.integer.value[0]; 270 271 /* sanity check */ 272 if (val < SND_US16X08_KCMIN(kcontrol) 273 || val > SND_US16X08_KCMAX(kcontrol)) 274 return -EINVAL; 275 276 /* prepare the message buffer from template */ 277 memcpy(buf, mix_msg_out, sizeof(mix_msg_out)); 278 279 buf[8] = val - SND_US16X08_KCBIAS(kcontrol); 280 buf[6] = elem->head.id; 281 282 /* place channel selector in URB message */ 283 buf[5] = index + 1; 284 err = snd_us16x08_send_urb(chip, buf, sizeof(mix_msg_out)); 285 286 if (err > 0) { 287 elem->cached |= 1 << index; 288 elem->cache_val[index] = val; 289 } else { 290 usb_audio_dbg(chip, "Failed to set master, err:%d\n", err); 291 } 292 293 return err > 0 ? 1 : 0; 294 } 295 296 static int snd_us16x08_bus_put(struct snd_kcontrol *kcontrol, 297 struct snd_ctl_elem_value *ucontrol) 298 { 299 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 300 struct snd_usb_audio *chip = elem->head.mixer->chip; 301 char buf[sizeof(mix_msg_out)]; 302 int val, err = 0; 303 304 val = ucontrol->value.integer.value[0]; 305 306 /* prepare the message buffer from template */ 307 switch (elem->head.id) { 308 case SND_US16X08_ID_BYPASS: 309 memcpy(buf, bypass_msg_out, sizeof(bypass_msg_out)); 310 buf[2] = val; 311 err = snd_us16x08_send_urb(chip, buf, sizeof(bypass_msg_out)); 312 break; 313 case SND_US16X08_ID_BUSS_OUT: 314 memcpy(buf, bus_msg_out, sizeof(bus_msg_out)); 315 buf[2] = val; 316 err = snd_us16x08_send_urb(chip, buf, sizeof(bus_msg_out)); 317 break; 318 case SND_US16X08_ID_MUTE: 319 memcpy(buf, mix_msg_out, sizeof(mix_msg_out)); 320 buf[8] = val; 321 buf[6] = elem->head.id; 322 buf[5] = 1; 323 err = snd_us16x08_send_urb(chip, buf, sizeof(mix_msg_out)); 324 break; 325 } 326 327 if (err > 0) { 328 elem->cached |= 1; 329 elem->cache_val[0] = val; 330 } else { 331 usb_audio_dbg(chip, "Failed to set bus parameter, err:%d\n", err); 332 } 333 334 return err > 0 ? 1 : 0; 335 } 336 337 static int snd_us16x08_bus_get(struct snd_kcontrol *kcontrol, 338 struct snd_ctl_elem_value *ucontrol) 339 { 340 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 341 342 switch (elem->head.id) { 343 case SND_US16X08_ID_BUSS_OUT: 344 ucontrol->value.integer.value[0] = elem->cache_val[0]; 345 break; 346 case SND_US16X08_ID_BYPASS: 347 ucontrol->value.integer.value[0] = elem->cache_val[0]; 348 break; 349 case SND_US16X08_ID_MUTE: 350 ucontrol->value.integer.value[0] = elem->cache_val[0]; 351 break; 352 } 353 354 return 0; 355 } 356 357 /* gets a current mixer value from common store */ 358 static int snd_us16x08_channel_get(struct snd_kcontrol *kcontrol, 359 struct snd_ctl_elem_value *ucontrol) 360 { 361 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 362 int index = ucontrol->id.index; 363 364 ucontrol->value.integer.value[0] = elem->cache_val[index]; 365 366 return 0; 367 } 368 369 static int snd_us16x08_channel_put(struct snd_kcontrol *kcontrol, 370 struct snd_ctl_elem_value *ucontrol) 371 { 372 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 373 struct snd_usb_audio *chip = elem->head.mixer->chip; 374 char buf[sizeof(mix_msg_in)]; 375 int val, err; 376 int index = ucontrol->id.index; 377 378 val = ucontrol->value.integer.value[0]; 379 380 /* sanity check */ 381 if (val < SND_US16X08_KCMIN(kcontrol) 382 || val > SND_US16X08_KCMAX(kcontrol)) 383 return -EINVAL; 384 385 /* prepare URB message from template */ 386 memcpy(buf, mix_msg_in, sizeof(mix_msg_in)); 387 388 /* add the bias to the new value */ 389 buf[8] = val - SND_US16X08_KCBIAS(kcontrol); 390 buf[6] = elem->head.id; 391 buf[5] = index + 1; 392 393 err = snd_us16x08_send_urb(chip, buf, sizeof(mix_msg_in)); 394 395 if (err > 0) { 396 elem->cached |= 1 << index; 397 elem->cache_val[index] = val; 398 } else { 399 usb_audio_dbg(chip, "Failed to set channel, err:%d\n", err); 400 } 401 402 return err > 0 ? 1 : 0; 403 } 404 405 static int snd_us16x08_mix_info(struct snd_kcontrol *kcontrol, 406 struct snd_ctl_elem_info *uinfo) 407 { 408 uinfo->count = 1; 409 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 410 uinfo->value.integer.max = SND_US16X08_KCMAX(kcontrol); 411 uinfo->value.integer.min = SND_US16X08_KCMIN(kcontrol); 412 uinfo->value.integer.step = SND_US16X08_KCSTEP(kcontrol); 413 return 0; 414 } 415 416 static int snd_us16x08_comp_get(struct snd_kcontrol *kcontrol, 417 struct snd_ctl_elem_value *ucontrol) 418 { 419 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 420 struct snd_us16x08_comp_store *store = elem->private_data; 421 int index = ucontrol->id.index; 422 int val_idx = COMP_STORE_IDX(elem->head.id); 423 424 ucontrol->value.integer.value[0] = store->val[val_idx][index]; 425 426 return 0; 427 } 428 429 static int snd_us16x08_comp_put(struct snd_kcontrol *kcontrol, 430 struct snd_ctl_elem_value *ucontrol) 431 { 432 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 433 struct snd_usb_audio *chip = elem->head.mixer->chip; 434 struct snd_us16x08_comp_store *store = elem->private_data; 435 int index = ucontrol->id.index; 436 char buf[sizeof(comp_msg)]; 437 int val_idx, val; 438 int err; 439 440 val = ucontrol->value.integer.value[0]; 441 442 /* sanity check */ 443 if (val < SND_US16X08_KCMIN(kcontrol) 444 || val > SND_US16X08_KCMAX(kcontrol)) 445 return -EINVAL; 446 447 /* new control value incl. bias*/ 448 val_idx = elem->head.id - SND_US16X08_ID_COMP_BASE; 449 450 store->val[val_idx][index] = ucontrol->value.integer.value[0]; 451 452 /* prepare compressor URB message from template */ 453 memcpy(buf, comp_msg, sizeof(comp_msg)); 454 455 /* place comp values in message buffer watch bias! */ 456 buf[8] = store->val[ 457 COMP_STORE_IDX(SND_US16X08_ID_COMP_THRESHOLD)][index] 458 - SND_US16X08_COMP_THRESHOLD_BIAS; 459 buf[11] = ratio_map[store->val[ 460 COMP_STORE_IDX(SND_US16X08_ID_COMP_RATIO)][index]]; 461 buf[14] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_ATTACK)][index] 462 + SND_US16X08_COMP_ATTACK_BIAS; 463 buf[17] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_RELEASE)][index] 464 + SND_US16X08_COMP_RELEASE_BIAS; 465 buf[20] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_GAIN)][index]; 466 buf[26] = store->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_SWITCH)][index]; 467 468 /* place channel selector in message buffer */ 469 buf[5] = index + 1; 470 471 err = snd_us16x08_send_urb(chip, buf, sizeof(comp_msg)); 472 473 if (err > 0) { 474 elem->cached |= 1 << index; 475 elem->cache_val[index] = val; 476 } else { 477 usb_audio_dbg(chip, "Failed to set compressor, err:%d\n", err); 478 } 479 480 return 1; 481 } 482 483 static int snd_us16x08_eqswitch_get(struct snd_kcontrol *kcontrol, 484 struct snd_ctl_elem_value *ucontrol) 485 { 486 int val; 487 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 488 struct snd_us16x08_eq_store *store = elem->private_data; 489 int index = ucontrol->id.index; 490 491 /* get low switch from cache is enough, cause all bands are together */ 492 val = store->val[EQ_STORE_BAND_IDX(elem->head.id)] 493 [EQ_STORE_PARAM_IDX(elem->head.id)][index]; 494 ucontrol->value.integer.value[0] = val; 495 496 return 0; 497 } 498 499 static int snd_us16x08_eqswitch_put(struct snd_kcontrol *kcontrol, 500 struct snd_ctl_elem_value *ucontrol) 501 { 502 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 503 struct snd_usb_audio *chip = elem->head.mixer->chip; 504 struct snd_us16x08_eq_store *store = elem->private_data; 505 int index = ucontrol->id.index; 506 char buf[sizeof(eqs_msq)]; 507 int val, err = 0; 508 int b_idx; 509 510 /* new control value incl. bias*/ 511 val = ucontrol->value.integer.value[0] + SND_US16X08_KCBIAS(kcontrol); 512 513 /* prepare URB message from EQ template */ 514 memcpy(buf, eqs_msq, sizeof(eqs_msq)); 515 516 /* place channel index in URB message */ 517 buf[5] = index + 1; 518 for (b_idx = 0; b_idx < SND_US16X08_ID_EQ_BAND_COUNT; b_idx++) { 519 /* all four EQ bands have to be enabled/disabled in once */ 520 buf[20] = val; 521 buf[17] = store->val[b_idx][2][index]; 522 buf[14] = store->val[b_idx][1][index]; 523 buf[11] = store->val[b_idx][0][index]; 524 buf[8] = b_idx + 1; 525 err = snd_us16x08_send_urb(chip, buf, sizeof(eqs_msq)); 526 if (err < 0) 527 break; 528 store->val[b_idx][3][index] = val; 529 msleep(15); 530 } 531 532 if (err > 0) { 533 elem->cached |= 1 << index; 534 elem->cache_val[index] = val; 535 } else { 536 usb_audio_dbg(chip, "Failed to set eq switch, err:%d\n", err); 537 } 538 539 return 1; 540 } 541 542 static int snd_us16x08_eq_get(struct snd_kcontrol *kcontrol, 543 struct snd_ctl_elem_value *ucontrol) 544 { 545 int val; 546 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 547 struct snd_us16x08_eq_store *store = elem->private_data; 548 int index = ucontrol->id.index; 549 int b_idx = EQ_STORE_BAND_IDX(elem->head.id) - 1; 550 int p_idx = EQ_STORE_PARAM_IDX(elem->head.id); 551 552 val = store->val[b_idx][p_idx][index]; 553 554 ucontrol->value.integer.value[0] = val; 555 556 return 0; 557 } 558 559 static int snd_us16x08_eq_put(struct snd_kcontrol *kcontrol, 560 struct snd_ctl_elem_value *ucontrol) 561 { 562 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 563 struct snd_usb_audio *chip = elem->head.mixer->chip; 564 struct snd_us16x08_eq_store *store = elem->private_data; 565 int index = ucontrol->id.index; 566 char buf[sizeof(eqs_msq)]; 567 int val, err; 568 int b_idx = EQ_STORE_BAND_IDX(elem->head.id) - 1; 569 int p_idx = EQ_STORE_PARAM_IDX(elem->head.id); 570 571 val = ucontrol->value.integer.value[0]; 572 573 /* sanity check */ 574 if (val < SND_US16X08_KCMIN(kcontrol) 575 || val > SND_US16X08_KCMAX(kcontrol)) 576 return -EINVAL; 577 578 /* copy URB buffer from EQ template */ 579 memcpy(buf, eqs_msq, sizeof(eqs_msq)); 580 581 store->val[b_idx][p_idx][index] = val; 582 buf[20] = store->val[b_idx][3][index]; 583 buf[17] = store->val[b_idx][2][index]; 584 buf[14] = store->val[b_idx][1][index]; 585 buf[11] = store->val[b_idx][0][index]; 586 587 /* place channel index in URB buffer */ 588 buf[5] = index + 1; 589 590 /* place EQ band in URB buffer */ 591 buf[8] = b_idx + 1; 592 593 err = snd_us16x08_send_urb(chip, buf, sizeof(eqs_msq)); 594 595 if (err > 0) { 596 /* store new value in EQ band cache */ 597 elem->cached |= 1 << index; 598 elem->cache_val[index] = val; 599 } else { 600 usb_audio_dbg(chip, "Failed to set eq param, err:%d\n", err); 601 } 602 603 return 1; 604 } 605 606 static int snd_us16x08_meter_info(struct snd_kcontrol *kcontrol, 607 struct snd_ctl_elem_info *uinfo) 608 { 609 uinfo->count = 34; 610 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 611 uinfo->value.integer.max = 0x7FFF; 612 uinfo->value.integer.min = 0; 613 614 return 0; 615 } 616 617 /* calculate compressor index for reduction level request */ 618 static int snd_get_meter_comp_index(struct snd_us16x08_meter_store *store) 619 { 620 int ret; 621 622 /* any channel active */ 623 if (store->comp_active_index) { 624 /* check for stereo link */ 625 if (store->comp_active_index & 0x20) { 626 /* reset comp_index to left channel*/ 627 if (store->comp_index - 628 store->comp_active_index > 1) 629 store->comp_index = 630 store->comp_active_index; 631 632 ret = store->comp_index++ & 0x1F; 633 } else { 634 /* no stereo link */ 635 ret = store->comp_active_index; 636 } 637 } else { 638 /* skip channels with no compressor active */ 639 while (store->comp_index <= SND_US16X08_MAX_CHANNELS 640 && !store->comp_store->val[ 641 COMP_STORE_IDX(SND_US16X08_ID_COMP_SWITCH)] 642 [store->comp_index - 1]) { 643 store->comp_index++; 644 } 645 ret = store->comp_index++; 646 if (store->comp_index > SND_US16X08_MAX_CHANNELS) 647 store->comp_index = 1; 648 } 649 return ret; 650 } 651 652 /* retrieve the meter level values from URB message */ 653 static void get_meter_levels_from_urb(int s, 654 struct snd_us16x08_meter_store *store, 655 u8 *meter_urb) 656 { 657 int val = MUC2(meter_urb, s) + (MUC3(meter_urb, s) << 8); 658 659 if (MUA0(meter_urb, s) == 0x61 && MUA1(meter_urb, s) == 0x02 && 660 MUA2(meter_urb, s) == 0x04 && MUB0(meter_urb, s) == 0x62) { 661 if (MUC0(meter_urb, s) == 0x72) 662 store->meter_level[MUB2(meter_urb, s) - 1] = val; 663 if (MUC0(meter_urb, s) == 0xb2) 664 store->comp_level[MUB2(meter_urb, s) - 1] = val; 665 } 666 if (MUA0(meter_urb, s) == 0x61 && MUA1(meter_urb, s) == 0x02 && 667 MUA2(meter_urb, s) == 0x02 && MUB0(meter_urb, s) == 0x62) 668 store->master_level[MUB2(meter_urb, s) - 1] = val; 669 } 670 671 /* Function to retrieve current meter values from the device. 672 * 673 * The device needs to be polled for meter values with an initial 674 * requests. It will return with a sequence of different meter value 675 * packages. The first request (case 0:) initiate this meter response sequence. 676 * After the third response, an additional request can be placed, 677 * to retrieve compressor reduction level value for given channel. This round 678 * trip channel selector will skip all inactive compressors. 679 * A mixer can interrupt this round-trip by selecting one ore two (stereo-link) 680 * specific channels. 681 */ 682 static int snd_us16x08_meter_get(struct snd_kcontrol *kcontrol, 683 struct snd_ctl_elem_value *ucontrol) 684 { 685 int i, set; 686 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 687 struct snd_usb_audio *chip = elem->head.mixer->chip; 688 struct snd_us16x08_meter_store *store = elem->private_data; 689 u8 meter_urb[64] = {0}; 690 691 switch (kcontrol->private_value) { 692 case 0: { 693 char tmp[sizeof(mix_init_msg1)]; 694 695 memcpy(tmp, mix_init_msg1, sizeof(mix_init_msg1)); 696 snd_us16x08_send_urb(chip, tmp, 4); 697 snd_us16x08_recv_urb(chip, meter_urb, 698 sizeof(meter_urb)); 699 kcontrol->private_value++; 700 break; 701 } 702 case 1: 703 snd_us16x08_recv_urb(chip, meter_urb, 704 sizeof(meter_urb)); 705 kcontrol->private_value++; 706 break; 707 case 2: 708 snd_us16x08_recv_urb(chip, meter_urb, 709 sizeof(meter_urb)); 710 kcontrol->private_value++; 711 break; 712 case 3: { 713 char tmp[sizeof(mix_init_msg2)]; 714 715 memcpy(tmp, mix_init_msg2, sizeof(mix_init_msg2)); 716 tmp[2] = snd_get_meter_comp_index(store); 717 snd_us16x08_send_urb(chip, tmp, 10); 718 snd_us16x08_recv_urb(chip, meter_urb, 719 sizeof(meter_urb)); 720 kcontrol->private_value = 0; 721 break; 722 } 723 } 724 725 for (set = 0; set < 6; set++) 726 get_meter_levels_from_urb(set, store, meter_urb); 727 728 for (i = 0; i < SND_US16X08_MAX_CHANNELS; i++) { 729 ucontrol->value.integer.value[i] = 730 store ? store->meter_level[i] : 0; 731 } 732 733 ucontrol->value.integer.value[i++] = store ? store->master_level[0] : 0; 734 ucontrol->value.integer.value[i++] = store ? store->master_level[1] : 0; 735 736 for (i = 2; i < SND_US16X08_MAX_CHANNELS + 2; i++) 737 ucontrol->value.integer.value[i + SND_US16X08_MAX_CHANNELS] = 738 store ? store->comp_level[i - 2] : 0; 739 740 return 1; 741 } 742 743 static int snd_us16x08_meter_put(struct snd_kcontrol *kcontrol, 744 struct snd_ctl_elem_value *ucontrol) 745 { 746 struct usb_mixer_elem_info *elem = snd_kcontrol_chip(kcontrol); 747 struct snd_us16x08_meter_store *store = elem->private_data; 748 int val; 749 750 val = ucontrol->value.integer.value[0]; 751 752 /* sanity check */ 753 if (val < 0 || val >= SND_US16X08_MAX_CHANNELS) 754 return -EINVAL; 755 756 store->comp_active_index = val; 757 store->comp_index = val; 758 759 return 1; 760 } 761 762 static const struct snd_kcontrol_new snd_us16x08_ch_boolean_ctl = { 763 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 764 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 765 .count = 16, 766 .info = snd_us16x08_switch_info, 767 .get = snd_us16x08_channel_get, 768 .put = snd_us16x08_channel_put, 769 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) 770 }; 771 772 static const struct snd_kcontrol_new snd_us16x08_ch_int_ctl = { 773 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 774 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 775 .count = 16, 776 .info = snd_us16x08_mix_info, 777 .get = snd_us16x08_channel_get, 778 .put = snd_us16x08_channel_put, 779 .private_value = SND_US16X08_KCSET(SND_US16X08_FADER_BIAS, 1, 0, 133) 780 }; 781 782 static const struct snd_kcontrol_new snd_us16x08_pan_int_ctl = { 783 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 784 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 785 .count = 16, 786 .info = snd_us16x08_mix_info, 787 .get = snd_us16x08_channel_get, 788 .put = snd_us16x08_channel_put, 789 .private_value = SND_US16X08_KCSET(SND_US16X08_FADER_BIAS, 1, 0, 255) 790 }; 791 792 static const struct snd_kcontrol_new snd_us16x08_master_ctl = { 793 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 794 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 795 .count = 1, 796 .info = snd_us16x08_master_info, 797 .get = snd_us16x08_master_get, 798 .put = snd_us16x08_master_put, 799 .private_value = SND_US16X08_KCSET(SND_US16X08_FADER_BIAS, 1, 0, 133) 800 }; 801 802 static const struct snd_kcontrol_new snd_us16x08_route_ctl = { 803 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 804 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 805 .count = 8, 806 .info = snd_us16x08_route_info, 807 .get = snd_us16x08_route_get, 808 .put = snd_us16x08_route_put, 809 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 9) 810 }; 811 812 static const struct snd_kcontrol_new snd_us16x08_bus_ctl = { 813 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 814 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 815 .count = 1, 816 .info = snd_us16x08_switch_info, 817 .get = snd_us16x08_bus_get, 818 .put = snd_us16x08_bus_put, 819 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) 820 }; 821 822 static const struct snd_kcontrol_new snd_us16x08_compswitch_ctl = { 823 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 824 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 825 .count = 16, 826 .info = snd_us16x08_switch_info, 827 .get = snd_us16x08_comp_get, 828 .put = snd_us16x08_comp_put, 829 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) 830 }; 831 832 static const struct snd_kcontrol_new snd_us16x08_comp_threshold_ctl = { 833 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 834 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 835 .count = 16, 836 .info = snd_us16x08_mix_info, 837 .get = snd_us16x08_comp_get, 838 .put = snd_us16x08_comp_put, 839 .private_value = SND_US16X08_KCSET(SND_US16X08_COMP_THRESHOLD_BIAS, 1, 840 0, 0x20) 841 }; 842 843 static const struct snd_kcontrol_new snd_us16x08_comp_ratio_ctl = { 844 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 845 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 846 .count = 16, 847 .info = snd_us16x08_mix_info, 848 .get = snd_us16x08_comp_get, 849 .put = snd_us16x08_comp_put, 850 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 851 sizeof(ratio_map) - 1), /*max*/ 852 }; 853 854 static const struct snd_kcontrol_new snd_us16x08_comp_gain_ctl = { 855 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 856 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 857 .count = 16, 858 .info = snd_us16x08_mix_info, 859 .get = snd_us16x08_comp_get, 860 .put = snd_us16x08_comp_put, 861 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x14) 862 }; 863 864 static const struct snd_kcontrol_new snd_us16x08_comp_attack_ctl = { 865 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 866 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 867 .count = 16, 868 .info = snd_us16x08_mix_info, 869 .get = snd_us16x08_comp_get, 870 .put = snd_us16x08_comp_put, 871 .private_value = 872 SND_US16X08_KCSET(SND_US16X08_COMP_ATTACK_BIAS, 1, 0, 0xc6), 873 }; 874 875 static const struct snd_kcontrol_new snd_us16x08_comp_release_ctl = { 876 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 877 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 878 .count = 16, 879 .info = snd_us16x08_mix_info, 880 .get = snd_us16x08_comp_get, 881 .put = snd_us16x08_comp_put, 882 .private_value = 883 SND_US16X08_KCSET(SND_US16X08_COMP_RELEASE_BIAS, 1, 0, 0x63), 884 }; 885 886 static const struct snd_kcontrol_new snd_us16x08_eq_gain_ctl = { 887 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 888 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 889 .count = 16, 890 .info = snd_us16x08_mix_info, 891 .get = snd_us16x08_eq_get, 892 .put = snd_us16x08_eq_put, 893 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 24), 894 }; 895 896 static const struct snd_kcontrol_new snd_us16x08_eq_low_freq_ctl = { 897 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 898 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 899 .count = 16, 900 .info = snd_us16x08_mix_info, 901 .get = snd_us16x08_eq_get, 902 .put = snd_us16x08_eq_put, 903 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x1F), 904 }; 905 906 static const struct snd_kcontrol_new snd_us16x08_eq_mid_freq_ctl = { 907 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 908 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 909 .count = 16, 910 .info = snd_us16x08_mix_info, 911 .get = snd_us16x08_eq_get, 912 .put = snd_us16x08_eq_put, 913 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x3F) 914 }; 915 916 static const struct snd_kcontrol_new snd_us16x08_eq_mid_width_ctl = { 917 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 918 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 919 .count = 16, 920 .info = snd_us16x08_mix_info, 921 .get = snd_us16x08_eq_get, 922 .put = snd_us16x08_eq_put, 923 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 0x06) 924 }; 925 926 static const struct snd_kcontrol_new snd_us16x08_eq_high_freq_ctl = { 927 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 928 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 929 .count = 16, 930 .info = snd_us16x08_mix_info, 931 .get = snd_us16x08_eq_get, 932 .put = snd_us16x08_eq_put, 933 .private_value = 934 SND_US16X08_KCSET(SND_US16X08_EQ_HIGHFREQ_BIAS, 1, 0, 0x1F) 935 }; 936 937 static const struct snd_kcontrol_new snd_us16x08_eq_switch_ctl = { 938 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 939 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 940 .count = 16, 941 .info = snd_us16x08_switch_info, 942 .get = snd_us16x08_eqswitch_get, 943 .put = snd_us16x08_eqswitch_put, 944 .private_value = SND_US16X08_KCSET(SND_US16X08_NO_BIAS, 1, 0, 1) 945 }; 946 947 static const struct snd_kcontrol_new snd_us16x08_meter_ctl = { 948 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 949 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 950 .count = 1, 951 .info = snd_us16x08_meter_info, 952 .get = snd_us16x08_meter_get, 953 .put = snd_us16x08_meter_put 954 }; 955 956 /* control store preparation */ 957 958 /* setup compressor store and assign default value */ 959 static struct snd_us16x08_comp_store *snd_us16x08_create_comp_store(void) 960 { 961 int i; 962 struct snd_us16x08_comp_store *tmp; 963 964 tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); 965 if (!tmp) 966 return NULL; 967 968 for (i = 0; i < SND_US16X08_MAX_CHANNELS; i++) { 969 tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_THRESHOLD)][i] 970 = 0x20; 971 tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_RATIO)][i] = 0x00; 972 tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_GAIN)][i] = 0x00; 973 tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_SWITCH)][i] = 0x00; 974 tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_ATTACK)][i] = 0x00; 975 tmp->val[COMP_STORE_IDX(SND_US16X08_ID_COMP_RELEASE)][i] = 0x00; 976 } 977 return tmp; 978 } 979 980 /* setup EQ store and assign default values */ 981 static struct snd_us16x08_eq_store *snd_us16x08_create_eq_store(void) 982 { 983 int i, b_idx; 984 struct snd_us16x08_eq_store *tmp; 985 986 tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); 987 if (!tmp) 988 return NULL; 989 990 for (i = 0; i < SND_US16X08_MAX_CHANNELS; i++) { 991 for (b_idx = 0; b_idx < SND_US16X08_ID_EQ_BAND_COUNT; b_idx++) { 992 tmp->val[b_idx][0][i] = 0x0c; 993 tmp->val[b_idx][3][i] = 0x00; 994 switch (b_idx) { 995 case 0: /* EQ Low */ 996 tmp->val[b_idx][1][i] = 0x05; 997 tmp->val[b_idx][2][i] = 0xff; 998 break; 999 case 1: /* EQ Mid low */ 1000 tmp->val[b_idx][1][i] = 0x0e; 1001 tmp->val[b_idx][2][i] = 0x02; 1002 break; 1003 case 2: /* EQ Mid High */ 1004 tmp->val[b_idx][1][i] = 0x1b; 1005 tmp->val[b_idx][2][i] = 0x02; 1006 break; 1007 case 3: /* EQ High */ 1008 tmp->val[b_idx][1][i] = 0x2f 1009 - SND_US16X08_EQ_HIGHFREQ_BIAS; 1010 tmp->val[b_idx][2][i] = 0xff; 1011 break; 1012 } 1013 } 1014 } 1015 return tmp; 1016 } 1017 1018 static struct snd_us16x08_meter_store *snd_us16x08_create_meter_store(void) 1019 { 1020 struct snd_us16x08_meter_store *tmp; 1021 1022 tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); 1023 if (!tmp) 1024 return NULL; 1025 tmp->comp_index = 1; 1026 tmp->comp_active_index = 0; 1027 return tmp; 1028 } 1029 1030 /* release elem->private_free as well; called only once for each *_store */ 1031 static void elem_private_free(struct snd_kcontrol *kctl) 1032 { 1033 struct usb_mixer_elem_info *elem = kctl->private_data; 1034 1035 if (elem) 1036 kfree(elem->private_data); 1037 kfree(elem); 1038 kctl->private_data = NULL; 1039 } 1040 1041 static int add_new_ctl(struct usb_mixer_interface *mixer, 1042 const struct snd_kcontrol_new *ncontrol, 1043 int index, int val_type, int channels, 1044 const char *name, void *opt, 1045 bool do_private_free, 1046 struct usb_mixer_elem_info **elem_ret) 1047 { 1048 struct snd_kcontrol *kctl; 1049 struct usb_mixer_elem_info *elem; 1050 int err; 1051 1052 usb_audio_dbg(mixer->chip, "us16x08 add mixer %s\n", name); 1053 1054 elem = kzalloc(sizeof(*elem), GFP_KERNEL); 1055 if (!elem) 1056 return -ENOMEM; 1057 1058 elem->head.mixer = mixer; 1059 elem->head.resume = NULL; 1060 elem->control = 0; 1061 elem->idx_off = 0; 1062 elem->head.id = index; 1063 elem->val_type = val_type; 1064 elem->channels = channels; 1065 elem->private_data = opt; 1066 1067 kctl = snd_ctl_new1(ncontrol, elem); 1068 if (!kctl) { 1069 kfree(elem); 1070 return -ENOMEM; 1071 } 1072 1073 if (do_private_free) 1074 kctl->private_free = elem_private_free; 1075 else 1076 kctl->private_free = snd_usb_mixer_elem_free; 1077 1078 strscpy(kctl->id.name, name, sizeof(kctl->id.name)); 1079 1080 err = snd_usb_mixer_add_control(&elem->head, kctl); 1081 if (err < 0) 1082 return err; 1083 1084 if (elem_ret) 1085 *elem_ret = elem; 1086 1087 return 0; 1088 } 1089 1090 /* table of EQ controls */ 1091 static const struct snd_us16x08_control_params eq_controls[] = { 1092 { /* EQ switch */ 1093 .kcontrol_new = &snd_us16x08_eq_switch_ctl, 1094 .control_id = SND_US16X08_ID_EQENABLE, 1095 .type = USB_MIXER_BOOLEAN, 1096 .num_channels = 16, 1097 .name = "EQ Switch", 1098 }, 1099 { /* EQ low gain */ 1100 .kcontrol_new = &snd_us16x08_eq_gain_ctl, 1101 .control_id = SND_US16X08_ID_EQLOWLEVEL, 1102 .type = USB_MIXER_U8, 1103 .num_channels = 16, 1104 .name = "EQ Low Volume", 1105 }, 1106 { /* EQ low freq */ 1107 .kcontrol_new = &snd_us16x08_eq_low_freq_ctl, 1108 .control_id = SND_US16X08_ID_EQLOWFREQ, 1109 .type = USB_MIXER_U8, 1110 .num_channels = 16, 1111 .name = "EQ Low Frequency", 1112 }, 1113 { /* EQ mid low gain */ 1114 .kcontrol_new = &snd_us16x08_eq_gain_ctl, 1115 .control_id = SND_US16X08_ID_EQLOWMIDLEVEL, 1116 .type = USB_MIXER_U8, 1117 .num_channels = 16, 1118 .name = "EQ MidLow Volume", 1119 }, 1120 { /* EQ mid low freq */ 1121 .kcontrol_new = &snd_us16x08_eq_mid_freq_ctl, 1122 .control_id = SND_US16X08_ID_EQLOWMIDFREQ, 1123 .type = USB_MIXER_U8, 1124 .num_channels = 16, 1125 .name = "EQ MidLow Frequency", 1126 }, 1127 { /* EQ mid low Q */ 1128 .kcontrol_new = &snd_us16x08_eq_mid_width_ctl, 1129 .control_id = SND_US16X08_ID_EQLOWMIDWIDTH, 1130 .type = USB_MIXER_U8, 1131 .num_channels = 16, 1132 .name = "EQ MidLow Q", 1133 }, 1134 { /* EQ mid high gain */ 1135 .kcontrol_new = &snd_us16x08_eq_gain_ctl, 1136 .control_id = SND_US16X08_ID_EQHIGHMIDLEVEL, 1137 .type = USB_MIXER_U8, 1138 .num_channels = 16, 1139 .name = "EQ MidHigh Volume", 1140 }, 1141 { /* EQ mid high freq */ 1142 .kcontrol_new = &snd_us16x08_eq_mid_freq_ctl, 1143 .control_id = SND_US16X08_ID_EQHIGHMIDFREQ, 1144 .type = USB_MIXER_U8, 1145 .num_channels = 16, 1146 .name = "EQ MidHigh Frequency", 1147 }, 1148 { /* EQ mid high Q */ 1149 .kcontrol_new = &snd_us16x08_eq_mid_width_ctl, 1150 .control_id = SND_US16X08_ID_EQHIGHMIDWIDTH, 1151 .type = USB_MIXER_U8, 1152 .num_channels = 16, 1153 .name = "EQ MidHigh Q", 1154 }, 1155 { /* EQ high gain */ 1156 .kcontrol_new = &snd_us16x08_eq_gain_ctl, 1157 .control_id = SND_US16X08_ID_EQHIGHLEVEL, 1158 .type = USB_MIXER_U8, 1159 .num_channels = 16, 1160 .name = "EQ High Volume", 1161 }, 1162 { /* EQ low freq */ 1163 .kcontrol_new = &snd_us16x08_eq_high_freq_ctl, 1164 .control_id = SND_US16X08_ID_EQHIGHFREQ, 1165 .type = USB_MIXER_U8, 1166 .num_channels = 16, 1167 .name = "EQ High Frequency", 1168 }, 1169 }; 1170 1171 /* table of compressor controls */ 1172 static const struct snd_us16x08_control_params comp_controls[] = { 1173 { /* Comp enable */ 1174 .kcontrol_new = &snd_us16x08_compswitch_ctl, 1175 .control_id = SND_US16X08_ID_COMP_SWITCH, 1176 .type = USB_MIXER_BOOLEAN, 1177 .num_channels = 16, 1178 .name = "Compressor Switch", 1179 }, 1180 { /* Comp threshold */ 1181 .kcontrol_new = &snd_us16x08_comp_threshold_ctl, 1182 .control_id = SND_US16X08_ID_COMP_THRESHOLD, 1183 .type = USB_MIXER_U8, 1184 .num_channels = 16, 1185 .name = "Compressor Threshold Volume", 1186 }, 1187 { /* Comp ratio */ 1188 .kcontrol_new = &snd_us16x08_comp_ratio_ctl, 1189 .control_id = SND_US16X08_ID_COMP_RATIO, 1190 .type = USB_MIXER_U8, 1191 .num_channels = 16, 1192 .name = "Compressor Ratio", 1193 }, 1194 { /* Comp attack */ 1195 .kcontrol_new = &snd_us16x08_comp_attack_ctl, 1196 .control_id = SND_US16X08_ID_COMP_ATTACK, 1197 .type = USB_MIXER_U8, 1198 .num_channels = 16, 1199 .name = "Compressor Attack", 1200 }, 1201 { /* Comp release */ 1202 .kcontrol_new = &snd_us16x08_comp_release_ctl, 1203 .control_id = SND_US16X08_ID_COMP_RELEASE, 1204 .type = USB_MIXER_U8, 1205 .num_channels = 16, 1206 .name = "Compressor Release", 1207 }, 1208 { /* Comp gain */ 1209 .kcontrol_new = &snd_us16x08_comp_gain_ctl, 1210 .control_id = SND_US16X08_ID_COMP_GAIN, 1211 .type = USB_MIXER_U8, 1212 .num_channels = 16, 1213 .name = "Compressor Volume", 1214 }, 1215 }; 1216 1217 /* table of channel controls */ 1218 static const struct snd_us16x08_control_params channel_controls[] = { 1219 { /* Phase */ 1220 .kcontrol_new = &snd_us16x08_ch_boolean_ctl, 1221 .control_id = SND_US16X08_ID_PHASE, 1222 .type = USB_MIXER_BOOLEAN, 1223 .num_channels = 16, 1224 .name = "Phase Switch", 1225 .default_val = 0 1226 }, 1227 { /* Fader */ 1228 .kcontrol_new = &snd_us16x08_ch_int_ctl, 1229 .control_id = SND_US16X08_ID_FADER, 1230 .type = USB_MIXER_U8, 1231 .num_channels = 16, 1232 .name = "Line Volume", 1233 .default_val = 127 1234 }, 1235 { /* Mute */ 1236 .kcontrol_new = &snd_us16x08_ch_boolean_ctl, 1237 .control_id = SND_US16X08_ID_MUTE, 1238 .type = USB_MIXER_BOOLEAN, 1239 .num_channels = 16, 1240 .name = "Mute Switch", 1241 .default_val = 0 1242 }, 1243 { /* Pan */ 1244 .kcontrol_new = &snd_us16x08_pan_int_ctl, 1245 .control_id = SND_US16X08_ID_PAN, 1246 .type = USB_MIXER_U16, 1247 .num_channels = 16, 1248 .name = "Pan Left-Right Volume", 1249 .default_val = 127 1250 }, 1251 }; 1252 1253 /* table of master controls */ 1254 static const struct snd_us16x08_control_params master_controls[] = { 1255 { /* Master */ 1256 .kcontrol_new = &snd_us16x08_master_ctl, 1257 .control_id = SND_US16X08_ID_FADER, 1258 .type = USB_MIXER_U8, 1259 .num_channels = 16, 1260 .name = "Master Volume", 1261 .default_val = 127 1262 }, 1263 { /* Bypass */ 1264 .kcontrol_new = &snd_us16x08_bus_ctl, 1265 .control_id = SND_US16X08_ID_BYPASS, 1266 .type = USB_MIXER_BOOLEAN, 1267 .num_channels = 16, 1268 .name = "DSP Bypass Switch", 1269 .default_val = 0 1270 }, 1271 { /* Buss out */ 1272 .kcontrol_new = &snd_us16x08_bus_ctl, 1273 .control_id = SND_US16X08_ID_BUSS_OUT, 1274 .type = USB_MIXER_BOOLEAN, 1275 .num_channels = 16, 1276 .name = "Buss Out Switch", 1277 .default_val = 0 1278 }, 1279 { /* Master mute */ 1280 .kcontrol_new = &snd_us16x08_bus_ctl, 1281 .control_id = SND_US16X08_ID_MUTE, 1282 .type = USB_MIXER_BOOLEAN, 1283 .num_channels = 16, 1284 .name = "Master Mute Switch", 1285 .default_val = 0 1286 }, 1287 1288 }; 1289 1290 int snd_us16x08_controls_create(struct usb_mixer_interface *mixer) 1291 { 1292 int i, j; 1293 int err; 1294 struct usb_mixer_elem_info *elem; 1295 struct snd_us16x08_comp_store *comp_store; 1296 struct snd_us16x08_meter_store *meter_store; 1297 struct snd_us16x08_eq_store *eq_store; 1298 1299 /* just check for non-MIDI interface */ 1300 if (mixer->hostif->desc.bInterfaceNumber == 3) { 1301 1302 /* add routing control */ 1303 err = add_new_ctl(mixer, &snd_us16x08_route_ctl, 1304 SND_US16X08_ID_ROUTE, USB_MIXER_U8, 8, "Line Out Route", 1305 NULL, false, &elem); 1306 if (err < 0) { 1307 usb_audio_dbg(mixer->chip, 1308 "Failed to create route control, err:%d\n", 1309 err); 1310 return err; 1311 } 1312 for (i = 0; i < 8; i++) 1313 elem->cache_val[i] = i < 2 ? i : i + 2; 1314 elem->cached = 0xff; 1315 1316 /* create compressor mixer elements */ 1317 comp_store = snd_us16x08_create_comp_store(); 1318 if (!comp_store) 1319 return -ENOMEM; 1320 1321 /* add master controls */ 1322 for (i = 0; i < ARRAY_SIZE(master_controls); i++) { 1323 1324 err = add_new_ctl(mixer, 1325 master_controls[i].kcontrol_new, 1326 master_controls[i].control_id, 1327 master_controls[i].type, 1328 master_controls[i].num_channels, 1329 master_controls[i].name, 1330 comp_store, 1331 i == 0, /* release comp_store only once */ 1332 &elem); 1333 if (err < 0) 1334 return err; 1335 elem->cache_val[0] = master_controls[i].default_val; 1336 elem->cached = 1; 1337 } 1338 1339 /* add channel controls */ 1340 for (i = 0; i < ARRAY_SIZE(channel_controls); i++) { 1341 1342 err = add_new_ctl(mixer, 1343 channel_controls[i].kcontrol_new, 1344 channel_controls[i].control_id, 1345 channel_controls[i].type, 1346 channel_controls[i].num_channels, 1347 channel_controls[i].name, 1348 comp_store, 1349 false, &elem); 1350 if (err < 0) 1351 return err; 1352 for (j = 0; j < SND_US16X08_MAX_CHANNELS; j++) { 1353 elem->cache_val[j] = 1354 channel_controls[i].default_val; 1355 } 1356 elem->cached = 0xffff; 1357 } 1358 1359 /* create eq store */ 1360 eq_store = snd_us16x08_create_eq_store(); 1361 if (!eq_store) 1362 return -ENOMEM; 1363 1364 /* add EQ controls */ 1365 for (i = 0; i < ARRAY_SIZE(eq_controls); i++) { 1366 1367 err = add_new_ctl(mixer, 1368 eq_controls[i].kcontrol_new, 1369 eq_controls[i].control_id, 1370 eq_controls[i].type, 1371 eq_controls[i].num_channels, 1372 eq_controls[i].name, 1373 eq_store, 1374 i == 0, /* release eq_store only once */ 1375 NULL); 1376 if (err < 0) 1377 return err; 1378 } 1379 1380 /* add compressor controls */ 1381 for (i = 0; i < ARRAY_SIZE(comp_controls); i++) { 1382 1383 err = add_new_ctl(mixer, 1384 comp_controls[i].kcontrol_new, 1385 comp_controls[i].control_id, 1386 comp_controls[i].type, 1387 comp_controls[i].num_channels, 1388 comp_controls[i].name, 1389 comp_store, 1390 false, NULL); 1391 if (err < 0) 1392 return err; 1393 } 1394 1395 /* create meters store */ 1396 meter_store = snd_us16x08_create_meter_store(); 1397 if (!meter_store) 1398 return -ENOMEM; 1399 1400 /* meter function 'get' must access to compressor store 1401 * so place a reference here 1402 */ 1403 meter_store->comp_store = comp_store; 1404 err = add_new_ctl(mixer, &snd_us16x08_meter_ctl, 1405 SND_US16X08_ID_METER, USB_MIXER_U16, 0, "Level Meter", 1406 meter_store, true, NULL); 1407 if (err < 0) 1408 return err; 1409 } 1410 1411 return 0; 1412 } 1413 1414