Free Electrons

Embedded Linux Experts

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
/*
 *   ALSA driver for ICEnsemble ICE1712 (Envy24)
 *
 *   Lowlevel functions for Terratec EWS88MT/D, EWX24/96, DMX 6Fire
 *
 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
 *                    2002 Takashi Iwai <tiwai@suse.de>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */      

#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/cs8427.h>
#include <sound/asoundef.h>

#include "ice1712.h"
#include "ews.h"

#define SND_CS8404
#include <sound/cs8403.h>

enum {
	EWS_I2C_CS8404 = 0, EWS_I2C_PCF1, EWS_I2C_PCF2,
	EWS_I2C_88D = 0,
	EWS_I2C_6FIRE = 0
};
	

/* additional i2c devices for EWS boards */
struct ews_spec {
	struct snd_i2c_device *i2cdevs[3];
};

/*
 * access via i2c mode (for EWX 24/96, EWS 88MT&D)
 */

/* send SDA and SCL */
static void ewx_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
{
	struct snd_ice1712 *ice = bus->private_data;
	unsigned char tmp = 0;
	if (clk)
		tmp |= ICE1712_EWX2496_SERIAL_CLOCK;
	if (data)
		tmp |= ICE1712_EWX2496_SERIAL_DATA;
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
	udelay(5);
}

static int ewx_i2c_getclock(struct snd_i2c_bus *bus)
{
	struct snd_ice1712 *ice = bus->private_data;
	return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_CLOCK ? 1 : 0;
}

static int ewx_i2c_getdata(struct snd_i2c_bus *bus, int ack)
{
	struct snd_ice1712 *ice = bus->private_data;
	int bit;
	/* set RW pin to low */
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_RW);
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, 0);
	if (ack)
		udelay(5);
	bit = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_DATA ? 1 : 0;
	/* set RW pin to high */
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ICE1712_EWX2496_RW);
	/* reset write mask */
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_SERIAL_CLOCK);
	return bit;
}

static void ewx_i2c_start(struct snd_i2c_bus *bus)
{
	struct snd_ice1712 *ice = bus->private_data;
	unsigned char mask;

	snd_ice1712_save_gpio_status(ice);
	/* set RW high */
	mask = ICE1712_EWX2496_RW;
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWX2496:
		mask |= ICE1712_EWX2496_AK4524_CS; /* CS high also */
		break;
	case ICE1712_SUBDEVICE_DMX6FIRE:
		mask |= ICE1712_6FIRE_AK4524_CS_MASK; /* CS high also */
		break;
	}
	snd_ice1712_gpio_write_bits(ice, mask, mask);
}

static void ewx_i2c_stop(struct snd_i2c_bus *bus)
{
	struct snd_ice1712 *ice = bus->private_data;
	snd_ice1712_restore_gpio_status(ice);
}

static void ewx_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
{
	struct snd_ice1712 *ice = bus->private_data;
	unsigned char mask = 0;

	if (clock)
		mask |= ICE1712_EWX2496_SERIAL_CLOCK; /* write SCL */
	if (data)
		mask |= ICE1712_EWX2496_SERIAL_DATA; /* write SDA */
	ice->gpio.direction &= ~(ICE1712_EWX2496_SERIAL_CLOCK|ICE1712_EWX2496_SERIAL_DATA);
	ice->gpio.direction |= mask;
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->gpio.direction);
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~mask);
}

static struct snd_i2c_bit_ops snd_ice1712_ewx_cs8427_bit_ops = {
	.start = ewx_i2c_start,
	.stop = ewx_i2c_stop,
	.direction = ewx_i2c_direction,
	.setlines = ewx_i2c_setlines,
	.getclock = ewx_i2c_getclock,
	.getdata = ewx_i2c_getdata,
};


/*
 * AK4524 access
 */

/* AK4524 chip select; address 0x48 bit 0-3 */
static int snd_ice1712_ews88mt_chip_select(struct snd_ice1712 *ice, int chip_mask)
{
	struct ews_spec *spec = ice->spec;
	unsigned char data, ndata;

	if (snd_BUG_ON(chip_mask < 0 || chip_mask > 0x0f))
		return -EINVAL;
	snd_i2c_lock(ice->i2c);
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1)
		goto __error;
	ndata = (data & 0xf0) | chip_mask;
	if (ndata != data)
		if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF2], &ndata, 1)
		    != 1)
			goto __error;
	snd_i2c_unlock(ice->i2c);
	return 0;

     __error:
	snd_i2c_unlock(ice->i2c);
	dev_err(ice->card->dev,
		"AK4524 chip select failed, check cable to the front module\n");
	return -EIO;
}

/* start callback for EWS88MT, needs to select a certain chip mask */
static void ews88mt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
{
	struct snd_ice1712 *ice = ak->private_data[0];
	unsigned char tmp;
	/* assert AK4524 CS */
	if (snd_ice1712_ews88mt_chip_select(ice, ~(1 << chip) & 0x0f) < 0)
		dev_err(ice->card->dev, "fatal error (ews88mt chip select)\n");
	snd_ice1712_save_gpio_status(ice);
	tmp = ICE1712_EWS88_SERIAL_DATA |
		ICE1712_EWS88_SERIAL_CLOCK |
		ICE1712_EWS88_RW;
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
			  ice->gpio.direction | tmp);
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
}

/* stop callback for EWS88MT, needs to deselect chip mask */
static void ews88mt_ak4524_unlock(struct snd_akm4xxx *ak, int chip)
{
	struct snd_ice1712 *ice = ak->private_data[0];
	snd_ice1712_restore_gpio_status(ice);
	udelay(1);
	snd_ice1712_ews88mt_chip_select(ice, 0x0f);
}

/* start callback for EWX24/96 */
static void ewx2496_ak4524_lock(struct snd_akm4xxx *ak, int chip)
{
	struct snd_ice1712 *ice = ak->private_data[0];
	unsigned char tmp;
	snd_ice1712_save_gpio_status(ice);
	tmp =  ICE1712_EWX2496_SERIAL_DATA |
		ICE1712_EWX2496_SERIAL_CLOCK |
		ICE1712_EWX2496_AK4524_CS |
		ICE1712_EWX2496_RW;
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
			  ice->gpio.direction | tmp);
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
}

/* start callback for DMX 6fire */
static void dmx6fire_ak4524_lock(struct snd_akm4xxx *ak, int chip)
{
	struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
	struct snd_ice1712 *ice = ak->private_data[0];
	unsigned char tmp;
	snd_ice1712_save_gpio_status(ice);
	tmp = priv->cs_mask = priv->cs_addr = (1 << chip) & ICE1712_6FIRE_AK4524_CS_MASK;
	tmp |= ICE1712_6FIRE_SERIAL_DATA |
		ICE1712_6FIRE_SERIAL_CLOCK |
		ICE1712_6FIRE_RW;
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
			  ice->gpio.direction | tmp);
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
}

/*
 * CS8404 interface on EWS88MT/D
 */

static void snd_ice1712_ews_cs8404_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
{
	struct ews_spec *spec = ice->spec;
	unsigned char bytes[2];

	snd_i2c_lock(ice->i2c);
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWS88MT:
	case ICE1712_SUBDEVICE_EWS88MT_NEW:
	case ICE1712_SUBDEVICE_PHASE88:
	case ICE1712_SUBDEVICE_TS88:
		if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_CS8404], &bits, 1)
		    != 1)
			goto _error;
		break;
	case ICE1712_SUBDEVICE_EWS88D:
		if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], bytes, 2)
		    != 2)
			goto _error;
		if (bits != bytes[1]) {
			bytes[1] = bits;
			if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_88D],
					      bytes, 2) != 2)
				goto _error;
		}
		break;
	}
 _error:
	snd_i2c_unlock(ice->i2c);
}

/*
 */

static void ews88_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
{
	snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
}

static int ews88_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
{
	unsigned int val;
	int change;

	val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
	spin_lock_irq(&ice->reg_lock);
	change = ice->spdif.cs8403_bits != val;
	ice->spdif.cs8403_bits = val;
	if (change && ice->playback_pro_substream == NULL) {
		spin_unlock_irq(&ice->reg_lock);
		snd_ice1712_ews_cs8404_spdif_write(ice, val);
	} else {
		spin_unlock_irq(&ice->reg_lock);
	}
	return change;
}

static void ews88_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
{
	snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
}

static int ews88_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
{
	unsigned int val;
	int change;

	val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
	spin_lock_irq(&ice->reg_lock);
	change = ice->spdif.cs8403_stream_bits != val;
	ice->spdif.cs8403_stream_bits = val;
	if (change && ice->playback_pro_substream != NULL) {
		spin_unlock_irq(&ice->reg_lock);
		snd_ice1712_ews_cs8404_spdif_write(ice, val);
	} else {
		spin_unlock_irq(&ice->reg_lock);
	}
	return change;
}


/* open callback */
static void ews88_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
{
	ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
}

/* set up SPDIF for EWS88MT / EWS88D */
static void ews88_setup_spdif(struct snd_ice1712 *ice, int rate)
{
	unsigned long flags;
	unsigned char tmp;
	int change;

	spin_lock_irqsave(&ice->reg_lock, flags);
	tmp = ice->spdif.cs8403_stream_bits;
	if (tmp & 0x10)		/* consumer */
		tmp &= (tmp & 0x01) ? ~0x06 : ~0x60;
	switch (rate) {
	case 32000: tmp |= (tmp & 0x01) ? 0x02 : 0x00; break;
	case 44100: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
	case 48000: tmp |= (tmp & 0x01) ? 0x04 : 0x20; break;
	default: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
	}
	change = ice->spdif.cs8403_stream_bits != tmp;
	ice->spdif.cs8403_stream_bits = tmp;
	spin_unlock_irqrestore(&ice->reg_lock, flags);
	if (change)
		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
	snd_ice1712_ews_cs8404_spdif_write(ice, tmp);
}


/*
 */
static struct snd_akm4xxx akm_ews88mt = {
	.num_adcs = 8,
	.num_dacs = 8,
	.type = SND_AK4524,
	.ops = {
		.lock = ews88mt_ak4524_lock,
		.unlock = ews88mt_ak4524_unlock
	}
};

static struct snd_ak4xxx_private akm_ews88mt_priv = {
	.caddr = 2,
	.cif = 1, /* CIF high */
	.data_mask = ICE1712_EWS88_SERIAL_DATA,
	.clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
	.cs_mask = 0,
	.cs_addr = 0,
	.cs_none = 0, /* no chip select on gpio */
	.add_flags = ICE1712_EWS88_RW, /* set rw bit high */
	.mask_flags = 0,
};

static struct snd_akm4xxx akm_ewx2496 = {
	.num_adcs = 2,
	.num_dacs = 2,
	.type = SND_AK4524,
	.ops = {
		.lock = ewx2496_ak4524_lock
	}
};

static struct snd_ak4xxx_private akm_ewx2496_priv = {
	.caddr = 2,
	.cif = 1, /* CIF high */
	.data_mask = ICE1712_EWS88_SERIAL_DATA,
	.clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
	.cs_mask = ICE1712_EWX2496_AK4524_CS,
	.cs_addr = ICE1712_EWX2496_AK4524_CS,
	.cs_none = 0,
	.add_flags = ICE1712_EWS88_RW, /* set rw bit high */
	.mask_flags = 0,
};

static struct snd_akm4xxx akm_6fire = {
	.num_adcs = 6,
	.num_dacs = 6,
	.type = SND_AK4524,
	.ops = {
		.lock = dmx6fire_ak4524_lock
	}
};

static struct snd_ak4xxx_private akm_6fire_priv = {
	.caddr = 2,
	.cif = 1, /* CIF high */
	.data_mask = ICE1712_6FIRE_SERIAL_DATA,
	.clk_mask = ICE1712_6FIRE_SERIAL_CLOCK,
	.cs_mask = 0,
	.cs_addr = 0, /* set later */
	.cs_none = 0,
	.add_flags = ICE1712_6FIRE_RW, /* set rw bit high */
	.mask_flags = 0,
};

/*
 * initialize the chip
 */

/* 6fire specific */
#define PCF9554_REG_INPUT      0
#define PCF9554_REG_OUTPUT     1
#define PCF9554_REG_POLARITY   2
#define PCF9554_REG_CONFIG     3

static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data);

static int snd_ice1712_ews_init(struct snd_ice1712 *ice)
{
	int err;
	struct snd_akm4xxx *ak;
	struct ews_spec *spec;

	/* set the analog DACs */
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWX2496:
		ice->num_total_dacs = 2;
		ice->num_total_adcs = 2;
		break;	
	case ICE1712_SUBDEVICE_EWS88MT:
	case ICE1712_SUBDEVICE_EWS88MT_NEW:
	case ICE1712_SUBDEVICE_PHASE88:
	case ICE1712_SUBDEVICE_TS88:
		ice->num_total_dacs = 8;
		ice->num_total_adcs = 8;
		break;
	case ICE1712_SUBDEVICE_EWS88D:
		/* Note: not analog but ADAT I/O */
		ice->num_total_dacs = 8;
		ice->num_total_adcs = 8;
		break;
	case ICE1712_SUBDEVICE_DMX6FIRE:
		ice->num_total_dacs = 6;
		ice->num_total_adcs = 6;
		break;
	}

	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	if (!spec)
		return -ENOMEM;
	ice->spec = spec;

	/* create i2c */
	if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
		dev_err(ice->card->dev, "unable to create I2C bus\n");
		return err;
	}
	ice->i2c->private_data = ice;
	ice->i2c->hw_ops.bit = &snd_ice1712_ewx_cs8427_bit_ops;

	/* create i2c devices */
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_DMX6FIRE:
		err = snd_i2c_device_create(ice->i2c, "PCF9554",
					    ICE1712_6FIRE_PCF9554_ADDR,
					    &spec->i2cdevs[EWS_I2C_6FIRE]);
		if (err < 0) {
			dev_err(ice->card->dev,
				"PCF9554 initialization failed\n");
			return err;
		}
		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_CONFIG, 0x80);
		break;
	case ICE1712_SUBDEVICE_EWS88MT:
	case ICE1712_SUBDEVICE_EWS88MT_NEW:
	case ICE1712_SUBDEVICE_PHASE88:
	case ICE1712_SUBDEVICE_TS88:

		err = snd_i2c_device_create(ice->i2c, "CS8404",
					    ICE1712_EWS88MT_CS8404_ADDR,
					    &spec->i2cdevs[EWS_I2C_CS8404]);
		if (err < 0)
			return err;
		err = snd_i2c_device_create(ice->i2c, "PCF8574 (1st)",
					    ICE1712_EWS88MT_INPUT_ADDR,
					    &spec->i2cdevs[EWS_I2C_PCF1]);
		if (err < 0)
			return err;
		err = snd_i2c_device_create(ice->i2c, "PCF8574 (2nd)",
					    ICE1712_EWS88MT_OUTPUT_ADDR,
					    &spec->i2cdevs[EWS_I2C_PCF2]);
		if (err < 0)
			return err;
		/* Check if the front module is connected */
		if ((err = snd_ice1712_ews88mt_chip_select(ice, 0x0f)) < 0)
			return err;
		break;
	case ICE1712_SUBDEVICE_EWS88D:
		err = snd_i2c_device_create(ice->i2c, "PCF8575",
					    ICE1712_EWS88D_PCF_ADDR,
					    &spec->i2cdevs[EWS_I2C_88D]);
		if (err < 0)
			return err;
		break;
	}

	/* set up SPDIF interface */
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWX2496:
		if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
			return err;
		snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
		break;
	case ICE1712_SUBDEVICE_DMX6FIRE:
		if ((err = snd_ice1712_init_cs8427(ice, ICE1712_6FIRE_CS8427_ADDR)) < 0)
			return err;
		snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
		break;
	case ICE1712_SUBDEVICE_EWS88MT:
	case ICE1712_SUBDEVICE_EWS88MT_NEW:
	case ICE1712_SUBDEVICE_PHASE88:
	case ICE1712_SUBDEVICE_TS88:
	case ICE1712_SUBDEVICE_EWS88D:
		/* set up CS8404 */
		ice->spdif.ops.open = ews88_open_spdif;
		ice->spdif.ops.setup_rate = ews88_setup_spdif;
		ice->spdif.ops.default_get = ews88_spdif_default_get;
		ice->spdif.ops.default_put = ews88_spdif_default_put;
		ice->spdif.ops.stream_get = ews88_spdif_stream_get;
		ice->spdif.ops.stream_put = ews88_spdif_stream_put;
		/* Set spdif defaults */
		snd_ice1712_ews_cs8404_spdif_write(ice, ice->spdif.cs8403_bits);
		break;
	}

	/* no analog? */
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWS88D:
		return 0;
	}

	/* analog section */
	ak = ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
	if (! ak)
		return -ENOMEM;
	ice->akm_codecs = 1;

	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWS88MT:
	case ICE1712_SUBDEVICE_EWS88MT_NEW:
	case ICE1712_SUBDEVICE_PHASE88:
	case ICE1712_SUBDEVICE_TS88:
		err = snd_ice1712_akm4xxx_init(ak, &akm_ews88mt, &akm_ews88mt_priv, ice);
		break;
	case ICE1712_SUBDEVICE_EWX2496:
		err = snd_ice1712_akm4xxx_init(ak, &akm_ewx2496, &akm_ewx2496_priv, ice);
		break;
	case ICE1712_SUBDEVICE_DMX6FIRE:
		err = snd_ice1712_akm4xxx_init(ak, &akm_6fire, &akm_6fire_priv, ice);
		break;
	default:
		err = 0;
	}

	return err;
}

/*
 * EWX 24/96 specific controls
 */

/* i/o sensitivity - this callback is shared among other devices, too */
static int snd_ice1712_ewx_io_sense_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo){

	static const char * const texts[2] = {
		"+4dBu", "-10dBV",
	};
	return snd_ctl_enum_info(uinfo, 1, 2, texts);
}

static int snd_ice1712_ewx_io_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char mask = kcontrol->private_value & 0xff;
	
	snd_ice1712_save_gpio_status(ice);
	ucontrol->value.enumerated.item[0] = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & mask ? 1 : 0;
	snd_ice1712_restore_gpio_status(ice);
	return 0;
}

static int snd_ice1712_ewx_io_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	unsigned char mask = kcontrol->private_value & 0xff;
	int val, nval;

	if (kcontrol->private_value & (1 << 31))
		return -EPERM;
	nval = ucontrol->value.enumerated.item[0] ? mask : 0;
	snd_ice1712_save_gpio_status(ice);
	val = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
	nval |= val & ~mask;
	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, nval);
	snd_ice1712_restore_gpio_status(ice);
	return val != nval;
}

static struct snd_kcontrol_new snd_ice1712_ewx2496_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Input Sensitivity Switch",
		.info = snd_ice1712_ewx_io_sense_info,
		.get = snd_ice1712_ewx_io_sense_get,
		.put = snd_ice1712_ewx_io_sense_put,
		.private_value = ICE1712_EWX2496_AIN_SEL,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Output Sensitivity Switch",
		.info = snd_ice1712_ewx_io_sense_info,
		.get = snd_ice1712_ewx_io_sense_get,
		.put = snd_ice1712_ewx_io_sense_put,
		.private_value = ICE1712_EWX2496_AOUT_SEL,
	},
};


/*
 * EWS88MT specific controls
 */
/* analog output sensitivity;; address 0x48 bit 6 */
static int snd_ice1712_ews88mt_output_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	struct ews_spec *spec = ice->spec;
	unsigned char data;

	snd_i2c_lock(ice->i2c);
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	snd_i2c_unlock(ice->i2c);
	ucontrol->value.enumerated.item[0] = data & ICE1712_EWS88MT_OUTPUT_SENSE ? 1 : 0; /* high = -10dBV, low = +4dBu */
	return 0;
}

/* analog output sensitivity;; address 0x48 bit 6 */
static int snd_ice1712_ews88mt_output_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	struct ews_spec *spec = ice->spec;
	unsigned char data, ndata;

	snd_i2c_lock(ice->i2c);
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	ndata = (data & ~ICE1712_EWS88MT_OUTPUT_SENSE) | (ucontrol->value.enumerated.item[0] ? ICE1712_EWS88MT_OUTPUT_SENSE : 0);
	if (ndata != data && snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF2],
					       &ndata, 1) != 1) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	snd_i2c_unlock(ice->i2c);
	return ndata != data;
}

/* analog input sensitivity; address 0x46 */
static int snd_ice1712_ews88mt_input_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	struct ews_spec *spec = ice->spec;
	int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	unsigned char data;

	if (snd_BUG_ON(channel < 0 || channel > 7))
		return 0;
	snd_i2c_lock(ice->i2c);
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	/* reversed; high = +4dBu, low = -10dBV */
	ucontrol->value.enumerated.item[0] = data & (1 << channel) ? 0 : 1;
	snd_i2c_unlock(ice->i2c);
	return 0;
}

/* analog output sensitivity; address 0x46 */
static int snd_ice1712_ews88mt_input_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	struct ews_spec *spec = ice->spec;
	int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	unsigned char data, ndata;

	if (snd_BUG_ON(channel < 0 || channel > 7))
		return 0;
	snd_i2c_lock(ice->i2c);
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	ndata = (data & ~(1 << channel)) | (ucontrol->value.enumerated.item[0] ? 0 : (1 << channel));
	if (ndata != data && snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF1],
					       &ndata, 1) != 1) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	snd_i2c_unlock(ice->i2c);
	return ndata != data;
}

static const struct snd_kcontrol_new snd_ice1712_ews88mt_input_sense = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Input Sensitivity Switch",
	.info = snd_ice1712_ewx_io_sense_info,
	.get = snd_ice1712_ews88mt_input_sense_get,
	.put = snd_ice1712_ews88mt_input_sense_put,
	.count = 8,
};

static const struct snd_kcontrol_new snd_ice1712_ews88mt_output_sense = {
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Output Sensitivity Switch",
	.info = snd_ice1712_ewx_io_sense_info,
	.get = snd_ice1712_ews88mt_output_sense_get,
	.put = snd_ice1712_ews88mt_output_sense_put,
};


/*
 * EWS88D specific controls
 */

#define snd_ice1712_ews88d_control_info		snd_ctl_boolean_mono_info

static int snd_ice1712_ews88d_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	struct ews_spec *spec = ice->spec;
	int shift = kcontrol->private_value & 0xff;
	int invert = (kcontrol->private_value >> 8) & 1;
	unsigned char data[2];
	
	snd_i2c_lock(ice->i2c);
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	snd_i2c_unlock(ice->i2c);
	data[0] = (data[shift >> 3] >> (shift & 7)) & 0x01;
	if (invert)
		data[0] ^= 0x01;
	ucontrol->value.integer.value[0] = data[0];
	return 0;
}

static int snd_ice1712_ews88d_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	struct ews_spec *spec = ice->spec;
	int shift = kcontrol->private_value & 0xff;
	int invert = (kcontrol->private_value >> 8) & 1;
	unsigned char data[2], ndata[2];
	int change;

	snd_i2c_lock(ice->i2c);
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	ndata[shift >> 3] = data[shift >> 3] & ~(1 << (shift & 7));
	if (invert) {
		if (! ucontrol->value.integer.value[0])
			ndata[shift >> 3] |= (1 << (shift & 7));
	} else {
		if (ucontrol->value.integer.value[0])
			ndata[shift >> 3] |= (1 << (shift & 7));
	}
	change = (data[shift >> 3] != ndata[shift >> 3]);
	if (change &&
	    snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	snd_i2c_unlock(ice->i2c);
	return change;
}

#define EWS88D_CONTROL(xiface, xname, xshift, xinvert, xaccess) \
{ .iface = xiface,\
  .name = xname,\
  .access = xaccess,\
  .info = snd_ice1712_ews88d_control_info,\
  .get = snd_ice1712_ews88d_control_get,\
  .put = snd_ice1712_ews88d_control_put,\
  .private_value = xshift | (xinvert << 8),\
}

static struct snd_kcontrol_new snd_ice1712_ews88d_controls[] = {
	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, 1, 0), /* inverted */
	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Output Optical", 1, 0, 0),
	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT External Master Clock", 2, 0, 0),
	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "Enable ADAT", 3, 0, 0),
	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Through", 4, 1, 0),
};


/*
 * DMX 6Fire specific controls
 */

static int snd_ice1712_6fire_read_pca(struct snd_ice1712 *ice, unsigned char reg)
{
	unsigned char byte;
	struct ews_spec *spec = ice->spec;

	snd_i2c_lock(ice->i2c);
	byte = reg;
	snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1);
	byte = 0;
	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
		snd_i2c_unlock(ice->i2c);
		dev_err(ice->card->dev, "cannot read pca\n");
		return -EIO;
	}
	snd_i2c_unlock(ice->i2c);
	return byte;
}

static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data)
{
	unsigned char bytes[2];
	struct ews_spec *spec = ice->spec;

	snd_i2c_lock(ice->i2c);
	bytes[0] = reg;
	bytes[1] = data;
	if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], bytes, 2) != 2) {
		snd_i2c_unlock(ice->i2c);
		return -EIO;
	}
	snd_i2c_unlock(ice->i2c);
	return 0;
}

#define snd_ice1712_6fire_control_info		snd_ctl_boolean_mono_info

static int snd_ice1712_6fire_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int shift = kcontrol->private_value & 0xff;
	int invert = (kcontrol->private_value >> 8) & 1;
	int data;
	
	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
		return data;
	data = (data >> shift) & 1;
	if (invert)
		data ^= 1;
	ucontrol->value.integer.value[0] = data;
	return 0;
}

static int snd_ice1712_6fire_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int shift = kcontrol->private_value & 0xff;
	int invert = (kcontrol->private_value >> 8) & 1;
	int data, ndata;
	
	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
		return data;
	ndata = data & ~(1 << shift);
	if (ucontrol->value.integer.value[0])
		ndata |= (1 << shift);
	if (invert)
		ndata ^= (1 << shift);
	if (data != ndata) {
		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
		return 1;
	}
	return 0;
}

static int snd_ice1712_6fire_select_input_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static const char * const texts[4] = {
		"Internal", "Front Input", "Rear Input", "Wave Table"
	};
	return snd_ctl_enum_info(uinfo, 1, 4, texts);
}
     
static int snd_ice1712_6fire_select_input_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int data;
	
	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
		return data;
	ucontrol->value.integer.value[0] = data & 3;
	return 0;
}

static int snd_ice1712_6fire_select_input_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
	int data, ndata;
	
	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
		return data;
	ndata = data & ~3;
	ndata |= (ucontrol->value.integer.value[0] & 3);
	if (data != ndata) {
		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
		return 1;
	}
	return 0;
}


#define DMX6FIRE_CONTROL(xname, xshift, xinvert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
  .name = xname,\
  .info = snd_ice1712_6fire_control_info,\
  .get = snd_ice1712_6fire_control_get,\
  .put = snd_ice1712_6fire_control_put,\
  .private_value = xshift | (xinvert << 8),\
}

static struct snd_kcontrol_new snd_ice1712_6fire_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Analog Input Select",
		.info = snd_ice1712_6fire_select_input_info,
		.get = snd_ice1712_6fire_select_input_get,
		.put = snd_ice1712_6fire_select_input_put,
	},
	DMX6FIRE_CONTROL("Front Digital Input Switch", 2, 1),
	// DMX6FIRE_CONTROL("Master Clock Select", 3, 0),
	DMX6FIRE_CONTROL("Optical Digital Input Switch", 4, 0),
	DMX6FIRE_CONTROL("Phono Analog Input Switch", 5, 0),
	DMX6FIRE_CONTROL("Breakbox LED", 6, 0),
};


static int snd_ice1712_ews_add_controls(struct snd_ice1712 *ice)
{
	unsigned int idx;
	int err;
	
	/* all terratec cards have spdif, but cs8427 module builds it's own controls */
	if (ice->cs8427 == NULL) {
		err = snd_ice1712_spdif_build_controls(ice);
		if (err < 0)
			return err;
	}

	/* ak4524 controls */
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWX2496:
	case ICE1712_SUBDEVICE_EWS88MT:
	case ICE1712_SUBDEVICE_EWS88MT_NEW:
	case ICE1712_SUBDEVICE_PHASE88:
	case ICE1712_SUBDEVICE_TS88:
	case ICE1712_SUBDEVICE_DMX6FIRE:
		err = snd_ice1712_akm4xxx_build_controls(ice);
		if (err < 0)
			return err;
		break;
	}

	/* card specific controls */
	switch (ice->eeprom.subvendor) {
	case ICE1712_SUBDEVICE_EWX2496:
		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ewx2496_controls); idx++) {
			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ewx2496_controls[idx], ice));
			if (err < 0)
				return err;
		}
		break;
	case ICE1712_SUBDEVICE_EWS88MT:
	case ICE1712_SUBDEVICE_EWS88MT_NEW:
	case ICE1712_SUBDEVICE_PHASE88:
	case ICE1712_SUBDEVICE_TS88:
		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_input_sense, ice));
		if (err < 0)
			return err;
		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_output_sense, ice));
		if (err < 0)
			return err;
		break;
	case ICE1712_SUBDEVICE_EWS88D:
		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ews88d_controls); idx++) {
			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88d_controls[idx], ice));
			if (err < 0)
				return err;
		}
		break;
	case ICE1712_SUBDEVICE_DMX6FIRE:
		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_6fire_controls); idx++) {
			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_6fire_controls[idx], ice));
			if (err < 0)
				return err;
		}
		break;
	}
	return 0;
}


/* entry point */
struct snd_ice1712_card_info snd_ice1712_ews_cards[] = {
	{
		.subvendor = ICE1712_SUBDEVICE_EWX2496,
		.name = "TerraTec EWX24/96",
		.model = "ewx2496",
		.chip_init = snd_ice1712_ews_init,
		.build_controls = snd_ice1712_ews_add_controls,
	},
	{
		.subvendor = ICE1712_SUBDEVICE_EWS88MT,
		.name = "TerraTec EWS88MT",
		.model = "ews88mt",
		.chip_init = snd_ice1712_ews_init,
		.build_controls = snd_ice1712_ews_add_controls,
	},
	{
		.subvendor = ICE1712_SUBDEVICE_EWS88MT_NEW,
		.name = "TerraTec EWS88MT",
		.model = "ews88mt_new",
		.chip_init = snd_ice1712_ews_init,
		.build_controls = snd_ice1712_ews_add_controls,
	},
	{
		.subvendor = ICE1712_SUBDEVICE_PHASE88,
		.name = "TerraTec Phase88",
		.model = "phase88",
		.chip_init = snd_ice1712_ews_init,
		.build_controls = snd_ice1712_ews_add_controls,
	},
	{
		.subvendor = ICE1712_SUBDEVICE_TS88,
		.name = "terrasoniq TS88",
		.model = "phase88",
		.chip_init = snd_ice1712_ews_init,
		.build_controls = snd_ice1712_ews_add_controls,
	},
	{
		.subvendor = ICE1712_SUBDEVICE_EWS88D,
		.name = "TerraTec EWS88D",
		.model = "ews88d",
		.chip_init = snd_ice1712_ews_init,
		.build_controls = snd_ice1712_ews_add_controls,
	},
	{
		.subvendor = ICE1712_SUBDEVICE_DMX6FIRE,
		.name = "TerraTec DMX6Fire",
		.model = "dmx6fire",
		.chip_init = snd_ice1712_ews_init,
		.build_controls = snd_ice1712_ews_add_controls,
		.mpu401_1_name = "MIDI-Front DMX6fire",
		.mpu401_2_name = "Wavetable DMX6fire",
		.mpu401_2_info_flags = MPU401_INFO_OUTPUT,
	},
	{ } /* terminator */
};