sound/pci/ice1712/quartet.c

   1 /*
   2  *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
   3  *
   4  *   Lowlevel functions for Infrasonic Quartet
   5  *
   6  *      Copyright (c) 2009 Pavel Hofman <pavel.hofman@ivitera.com>
   7  *
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  *
  23  */
  24
  25 #include <linux/delay.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/init.h>
  28 #include <linux/slab.h>
  29 #include <sound/core.h>
  30 #include <sound/tlv.h>
  31 #include <sound/info.h>
  32
  33 #include "ice1712.h"
  34 #include "envy24ht.h"
  35 #include <sound/ak4113.h>
  36 #include "quartet.h"
  37
  38 struct qtet_spec {
  39         struct ak4113 *ak4113;
  40         unsigned int scr;       /* system control register */
  41         unsigned int mcr;       /* monitoring control register */
  42         unsigned int cpld;      /* cpld register */
  43 };
  44
  45 struct qtet_kcontrol_private {
  46         unsigned int bit;
  47         void (*set_register)(struct snd_ice1712 *ice, unsigned int val);
  48         unsigned int (*get_register)(struct snd_ice1712 *ice);
  49         unsigned char * const texts[2];
  50 };
  51
  52 enum {
  53         IN12_SEL = 0,
  54         IN34_SEL,
  55         AIN34_SEL,
  56         COAX_OUT,
  57         IN12_MON12,
  58         IN12_MON34,
  59         IN34_MON12,
  60         IN34_MON34,
  61         OUT12_MON34,
  62         OUT34_MON12,
  63 };
  64
  65 static const char * const ext_clock_names[3] = {"IEC958 In", "Word Clock 1xFS",
  66         "Word Clock 256xFS"};
  67
  68 /* chip address on I2C bus */
  69 #define AK4113_ADDR             0x26    /* S/PDIF receiver */
  70
  71 /* chip address on SPI bus */
  72 #define AK4620_ADDR             0x02    /* ADC/DAC */
  73
  74
  75 /*
  76  * GPIO pins
  77  */
  78
  79 /* GPIO0 - O - DATA0, def. 0 */
  80 #define GPIO_D0                 (1<<0)
  81 /* GPIO1 - I/O - DATA1, Jack Detect Input0 (0:present, 1:missing), def. 1 */
  82 #define GPIO_D1_JACKDTC0        (1<<1)
  83 /* GPIO2 - I/O - DATA2, Jack Detect Input1 (0:present, 1:missing), def. 1 */
  84 #define GPIO_D2_JACKDTC1        (1<<2)
  85 /* GPIO3 - I/O - DATA3, def. 1 */
  86 #define GPIO_D3                 (1<<3)
  87 /* GPIO4 - I/O - DATA4, SPI CDTO, def. 1 */
  88 #define GPIO_D4_SPI_CDTO        (1<<4)
  89 /* GPIO5 - I/O - DATA5, SPI CCLK, def. 1 */
  90 #define GPIO_D5_SPI_CCLK        (1<<5)
  91 /* GPIO6 - I/O - DATA6, Cable Detect Input (0:detected, 1:not detected */
  92 #define GPIO_D6_CD              (1<<6)
  93 /* GPIO7 - I/O - DATA7, Device Detect Input (0:detected, 1:not detected */
  94 #define GPIO_D7_DD              (1<<7)
  95 /* GPIO8 - O - CPLD Chip Select, def. 1 */
  96 #define GPIO_CPLD_CSN           (1<<8)
  97 /* GPIO9 - O - CPLD register read/write (0:write, 1:read), def. 0 */
  98 #define GPIO_CPLD_RW            (1<<9)
  99 /* GPIO10 - O - SPI Chip Select for CODEC#0, def. 1 */
 100 #define GPIO_SPI_CSN0           (1<<10)
 101 /* GPIO11 - O - SPI Chip Select for CODEC#1, def. 1 */
 102 #define GPIO_SPI_CSN1           (1<<11)
 103 /* GPIO12 - O - Ex. Register Output Enable (0:enable, 1:disable), def. 1,
 104  * init 0 */
 105 #define GPIO_EX_GPIOE           (1<<12)
 106 /* GPIO13 - O - Ex. Register0 Chip Select for System Control Register,
 107  * def. 1 */
 108 #define GPIO_SCR                (1<<13)
 109 /* GPIO14 - O - Ex. Register1 Chip Select for Monitor Control Register,
 110  * def. 1 */
 111 #define GPIO_MCR                (1<<14)
 112
 113 #define GPIO_SPI_ALL            (GPIO_D4_SPI_CDTO | GPIO_D5_SPI_CCLK |\
 114                 GPIO_SPI_CSN0 | GPIO_SPI_CSN1)
 115
 116 #define GPIO_DATA_MASK          (GPIO_D0 | GPIO_D1_JACKDTC0 | \
 117                 GPIO_D2_JACKDTC1 | GPIO_D3 | \
 118                 GPIO_D4_SPI_CDTO | GPIO_D5_SPI_CCLK | \
 119                 GPIO_D6_CD | GPIO_D7_DD)
 120
 121 /* System Control Register GPIO_SCR data bits */
 122 /* Mic/Line select relay (0:line, 1:mic) */
 123 #define SCR_RELAY               GPIO_D0
 124 /* Phantom power drive control (0:5V, 1:48V) */
 125 #define SCR_PHP_V               GPIO_D1_JACKDTC0
 126 /* H/W mute control (0:Normal, 1:Mute) */
 127 #define SCR_MUTE                GPIO_D2_JACKDTC1
 128 /* Phantom power control (0:Phantom on, 1:off) */
 129 #define SCR_PHP                 GPIO_D3
 130 /* Analog input 1/2 Source Select */
 131 #define SCR_AIN12_SEL0          GPIO_D4_SPI_CDTO
 132 #define SCR_AIN12_SEL1          GPIO_D5_SPI_CCLK
 133 /* Analog input 3/4 Source Select (0:line, 1:hi-z) */
 134 #define SCR_AIN34_SEL           GPIO_D6_CD
 135 /* Codec Power Down (0:power down, 1:normal) */
 136 #define SCR_CODEC_PDN           GPIO_D7_DD
 137
 138 #define SCR_AIN12_LINE          (0)
 139 #define SCR_AIN12_MIC           (SCR_AIN12_SEL0)
 140 #define SCR_AIN12_LOWCUT        (SCR_AIN12_SEL1 | SCR_AIN12_SEL0)
 141
 142 /* Monitor Control Register GPIO_MCR data bits */
 143 /* Input 1/2 to Monitor 1/2 (0:off, 1:on) */
 144 #define MCR_IN12_MON12          GPIO_D0
 145 /* Input 1/2 to Monitor 3/4 (0:off, 1:on) */
 146 #define MCR_IN12_MON34          GPIO_D1_JACKDTC0
 147 /* Input 3/4 to Monitor 1/2 (0:off, 1:on) */
 148 #define MCR_IN34_MON12          GPIO_D2_JACKDTC1
 149 /* Input 3/4 to Monitor 3/4 (0:off, 1:on) */
 150 #define MCR_IN34_MON34          GPIO_D3
 151 /* Output to Monitor 1/2 (0:off, 1:on) */
 152 #define MCR_OUT34_MON12         GPIO_D4_SPI_CDTO
 153 /* Output to Monitor 3/4 (0:off, 1:on) */
 154 #define MCR_OUT12_MON34         GPIO_D5_SPI_CCLK
 155
 156 /* CPLD Register DATA bits */
 157 /* Clock Rate Select */
 158 #define CPLD_CKS0               GPIO_D0
 159 #define CPLD_CKS1               GPIO_D1_JACKDTC0
 160 #define CPLD_CKS2               GPIO_D2_JACKDTC1
 161 /* Sync Source Select (0:Internal, 1:External) */
 162 #define CPLD_SYNC_SEL           GPIO_D3
 163 /* Word Clock FS Select (0:FS, 1:256FS) */
 164 #define CPLD_WORD_SEL           GPIO_D4_SPI_CDTO
 165 /* Coaxial Output Source (IS-Link) (0:SPDIF, 1:I2S) */
 166 #define CPLD_COAX_OUT           GPIO_D5_SPI_CCLK
 167 /* Input 1/2 Source Select (0:Analog12, 1:An34) */
 168 #define CPLD_IN12_SEL           GPIO_D6_CD
 169 /* Input 3/4 Source Select (0:Analog34, 1:Digital In) */
 170 #define CPLD_IN34_SEL           GPIO_D7_DD
 171
 172 /* internal clock (CPLD_SYNC_SEL = 0) options */
 173 #define CPLD_CKS_44100HZ        (0)
 174 #define CPLD_CKS_48000HZ        (CPLD_CKS0)
 175 #define CPLD_CKS_88200HZ        (CPLD_CKS1)
 176 #define CPLD_CKS_96000HZ        (CPLD_CKS1 | CPLD_CKS0)
 177 #define CPLD_CKS_176400HZ       (CPLD_CKS2)
 178 #define CPLD_CKS_192000HZ       (CPLD_CKS2 | CPLD_CKS0)
 179
 180 #define CPLD_CKS_MASK           (CPLD_CKS0 | CPLD_CKS1 | CPLD_CKS2)
 181
 182 /* external clock (CPLD_SYNC_SEL = 1) options */
 183 /* external clock - SPDIF */
 184 #define CPLD_EXT_SPDIF  (0 | CPLD_SYNC_SEL)
 185 /* external clock - WordClock 1xfs */
 186 #define CPLD_EXT_WORDCLOCK_1FS  (CPLD_CKS1 | CPLD_SYNC_SEL)
 187 /* external clock - WordClock 256xfs */
 188 #define CPLD_EXT_WORDCLOCK_256FS        (CPLD_CKS1 | CPLD_WORD_SEL |\
 189                 CPLD_SYNC_SEL)
 190
 191 #define EXT_SPDIF_TYPE                  0
 192 #define EXT_WORDCLOCK_1FS_TYPE          1
 193 #define EXT_WORDCLOCK_256FS_TYPE        2
 194
 195 #define AK4620_DFS0             (1<<0)
 196 #define AK4620_DFS1             (1<<1)
 197 #define AK4620_CKS0             (1<<2)
 198 #define AK4620_CKS1             (1<<3)
 199 /* Clock and Format Control register */
 200 #define AK4620_DFS_REG          0x02
 201
 202 /* Deem and Volume Control register */
 203 #define AK4620_DEEMVOL_REG      0x03
 204 #define AK4620_SMUTE            (1<<7)
 205
 206 #ifdef CONFIG_PROC_FS
 207 /*
 208  * Conversion from int value to its binary form. Used for debugging.
 209  * The output buffer must be allocated prior to calling the function.
 210  */
 211 static char *get_binary(char *buffer, int value)
 212 {
 213         int i, j, pos;
 214         pos = 0;
 215         for (i = 0; i < 4; ++i) {
 216                 for (j = 0; j < 8; ++j) {
 217                         if (value & (1 << (31-(i*8 + j))))
 218                                 buffer[pos] = '1';
 219                         else
 220                                 buffer[pos] = '0';
 221                         pos++;
 222                 }
 223                 if (i < 3) {
 224                         buffer[pos] = ' ';
 225                         pos++;
 226                 }
 227         }
 228         buffer[pos] = '\0';
 229         return buffer;
 230 }
 231 #endif /* CONFIG_PROC_FS */
 232
 233 /*
 234  * Initial setup of the conversion array GPIO <-> rate
 235  */
 236 static unsigned int qtet_rates[] = {
 237         44100, 48000, 88200,
 238         96000, 176400, 192000,
 239 };
 240
 241 static unsigned int cks_vals[] = {
 242         CPLD_CKS_44100HZ, CPLD_CKS_48000HZ, CPLD_CKS_88200HZ,
 243         CPLD_CKS_96000HZ, CPLD_CKS_176400HZ, CPLD_CKS_192000HZ,
 244 };
 245
 246 static struct snd_pcm_hw_constraint_list qtet_rates_info = {
 247         .count = ARRAY_SIZE(qtet_rates),
 248         .list = qtet_rates,
 249         .mask = 0,
 250 };
 251
 252 static void qtet_ak4113_write(void *private_data, unsigned char reg,
 253                 unsigned char val)
 254 {
 255         snd_vt1724_write_i2c((struct snd_ice1712 *)private_data, AK4113_ADDR,
 256                         reg, val);
 257 }
 258
 259 static unsigned char qtet_ak4113_read(void *private_data, unsigned char reg)
 260 {
 261         return snd_vt1724_read_i2c((struct snd_ice1712 *)private_data,
 262                         AK4113_ADDR, reg);
 263 }
 264
 265
 266 /*
 267  * AK4620 section
 268  */
 269
 270 /*
 271  * Write data to addr register of ak4620
 272  */
 273 static void qtet_akm_write(struct snd_akm4xxx *ak, int chip,
 274                 unsigned char addr, unsigned char data)
 275 {
 276         unsigned int tmp, orig_dir;
 277         int idx;
 278         unsigned int addrdata;
 279         struct snd_ice1712 *ice = ak->private_data[0];
 280
 281         if (snd_BUG_ON(chip < 0 || chip >= 4))
 282                 return;
 283         /*dev_dbg(ice->card->dev, "Writing to AK4620: chip=%d, addr=0x%x,
 284           data=0x%x\n", chip, addr, data);*/
 285         orig_dir = ice->gpio.get_dir(ice);
 286         ice->gpio.set_dir(ice, orig_dir | GPIO_SPI_ALL);
 287         /* set mask - only SPI bits */
 288         ice->gpio.set_mask(ice, ~GPIO_SPI_ALL);
 289
 290         tmp = ice->gpio.get_data(ice);
 291         /* high all */
 292         tmp |= GPIO_SPI_ALL;
 293         ice->gpio.set_data(ice, tmp);
 294         udelay(100);
 295         /* drop chip select */
 296         if (chip)
 297                 /* CODEC 1 */
 298                 tmp &= ~GPIO_SPI_CSN1;
 299         else
 300                 tmp &= ~GPIO_SPI_CSN0;
 301         ice->gpio.set_data(ice, tmp);
 302         udelay(100);
 303
 304         /* build I2C address + data byte */
 305         addrdata = (AK4620_ADDR << 6) | 0x20 | (addr & 0x1f);
 306         addrdata = (addrdata << 8) | data;
 307         for (idx = 15; idx >= 0; idx--) {
 308                 /* drop clock */
 309                 tmp &= ~GPIO_D5_SPI_CCLK;
 310                 ice->gpio.set_data(ice, tmp);
 311                 udelay(100);
 312                 /* set data */
 313                 if (addrdata & (1 << idx))
 314                         tmp |= GPIO_D4_SPI_CDTO;
 315                 else
 316                         tmp &= ~GPIO_D4_SPI_CDTO;
 317                 ice->gpio.set_data(ice, tmp);
 318                 udelay(100);
 319                 /* raise clock */
 320                 tmp |= GPIO_D5_SPI_CCLK;
 321                 ice->gpio.set_data(ice, tmp);
 322                 udelay(100);
 323         }
 324         /* all back to 1 */
 325         tmp |= GPIO_SPI_ALL;
 326         ice->gpio.set_data(ice, tmp);
 327         udelay(100);
 328
 329         /* return all gpios to non-writable */
 330         ice->gpio.set_mask(ice, 0xffffff);
 331         /* restore GPIOs direction */
 332         ice->gpio.set_dir(ice, orig_dir);
 333 }
 334
 335 static void qtet_akm_set_regs(struct snd_akm4xxx *ak, unsigned char addr,
 336                 unsigned char mask, unsigned char value)
 337 {
 338         unsigned char tmp;
 339         int chip;
 340         for (chip = 0; chip < ak->num_chips; chip++) {
 341                 tmp = snd_akm4xxx_get(ak, chip, addr);
 342                 /* clear the bits */
 343                 tmp &= ~mask;
 344                 /* set the new bits */
 345                 tmp |= value;
 346                 snd_akm4xxx_write(ak, chip, addr, tmp);
 347         }
 348 }
 349
 350 /*
 351  * change the rate of AK4620
 352  */
 353 static void qtet_akm_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 354 {
 355         unsigned char ak4620_dfs;
 356
 357         if (rate == 0)  /* no hint - S/PDIF input is master or the new spdif
 358                            input rate undetected, simply return */
 359                 return;
 360
 361         /* adjust DFS on codecs - see datasheet */
 362         if (rate > 108000)
 363                 ak4620_dfs = AK4620_DFS1 | AK4620_CKS1;
 364         else if (rate > 54000)
 365                 ak4620_dfs = AK4620_DFS0 | AK4620_CKS0;
 366         else
 367                 ak4620_dfs = 0;
 368
 369         /* set new value */
 370         qtet_akm_set_regs(ak, AK4620_DFS_REG, AK4620_DFS0 | AK4620_DFS1 |
 371                         AK4620_CKS0 | AK4620_CKS1, ak4620_dfs);
 372 }
 373
 374 #define AK_CONTROL(xname, xch)  { .name = xname, .num_channels = xch }
 375
 376 #define PCM_12_PLAYBACK_VOLUME  "PCM 1/2 Playback Volume"
 377 #define PCM_34_PLAYBACK_VOLUME  "PCM 3/4 Playback Volume"
 378 #define PCM_12_CAPTURE_VOLUME   "PCM 1/2 Capture Volume"
 379 #define PCM_34_CAPTURE_VOLUME   "PCM 3/4 Capture Volume"
 380
 381 static const struct snd_akm4xxx_dac_channel qtet_dac[] = {
 382         AK_CONTROL(PCM_12_PLAYBACK_VOLUME, 2),
 383         AK_CONTROL(PCM_34_PLAYBACK_VOLUME, 2),
 384 };
 385
 386 static const struct snd_akm4xxx_adc_channel qtet_adc[] = {
 387         AK_CONTROL(PCM_12_CAPTURE_VOLUME, 2),
 388         AK_CONTROL(PCM_34_CAPTURE_VOLUME, 2),
 389 };
 390
 391 static struct snd_akm4xxx akm_qtet_dac = {
 392         .type = SND_AK4620,
 393         .num_dacs = 4,  /* DAC1 - Output 12
 394         */
 395         .num_adcs = 4,  /* ADC1 - Input 12
 396         */
 397         .ops = {
 398                 .write = qtet_akm_write,
 399                 .set_rate_val = qtet_akm_set_rate_val,
 400         },
 401         .dac_info = qtet_dac,
 402         .adc_info = qtet_adc,
 403 };
 404
 405 /* Communication routines with the CPLD */
 406
 407
 408 /* Writes data to external register reg, both reg and data are
 409  * GPIO representations */
 410 static void reg_write(struct snd_ice1712 *ice, unsigned int reg,
 411                 unsigned int data)
 412 {
 413         unsigned int tmp;
 414
 415         mutex_lock(&ice->gpio_mutex);
 416         /* set direction of used GPIOs*/
 417         /* all outputs */
 418         tmp = 0x00ffff;
 419         ice->gpio.set_dir(ice, tmp);
 420         /* mask - writable bits */
 421         ice->gpio.set_mask(ice, ~(tmp));
 422         /* write the data */
 423         tmp = ice->gpio.get_data(ice);
 424         tmp &= ~GPIO_DATA_MASK;
 425         tmp |= data;
 426         ice->gpio.set_data(ice, tmp);
 427         udelay(100);
 428         /* drop output enable */
 429         tmp &=  ~GPIO_EX_GPIOE;
 430         ice->gpio.set_data(ice, tmp);
 431         udelay(100);
 432         /* drop the register gpio */
 433         tmp &= ~reg;
 434         ice->gpio.set_data(ice, tmp);
 435         udelay(100);
 436         /* raise the register GPIO */
 437         tmp |= reg;
 438         ice->gpio.set_data(ice, tmp);
 439         udelay(100);
 440
 441         /* raise all data gpios */
 442         tmp |= GPIO_DATA_MASK;
 443         ice->gpio.set_data(ice, tmp);
 444         /* mask - immutable bits */
 445         ice->gpio.set_mask(ice, 0xffffff);
 446         /* outputs only 8-15 */
 447         ice->gpio.set_dir(ice, 0x00ff00);
 448         mutex_unlock(&ice->gpio_mutex);
 449 }
 450
 451 static unsigned int get_scr(struct snd_ice1712 *ice)
 452 {
 453         struct qtet_spec *spec = ice->spec;
 454         return spec->scr;
 455 }
 456
 457 static unsigned int get_mcr(struct snd_ice1712 *ice)
 458 {
 459         struct qtet_spec *spec = ice->spec;
 460         return spec->mcr;
 461 }
 462
 463 static unsigned int get_cpld(struct snd_ice1712 *ice)
 464 {
 465         struct qtet_spec *spec = ice->spec;
 466         return spec->cpld;
 467 }
 468
 469 static void set_scr(struct snd_ice1712 *ice, unsigned int val)
 470 {
 471         struct qtet_spec *spec = ice->spec;
 472         reg_write(ice, GPIO_SCR, val);
 473         spec->scr = val;
 474 }
 475
 476 static void set_mcr(struct snd_ice1712 *ice, unsigned int val)
 477 {
 478         struct qtet_spec *spec = ice->spec;
 479         reg_write(ice, GPIO_MCR, val);
 480         spec->mcr = val;
 481 }
 482
 483 static void set_cpld(struct snd_ice1712 *ice, unsigned int val)
 484 {
 485         struct qtet_spec *spec = ice->spec;
 486         reg_write(ice, GPIO_CPLD_CSN, val);
 487         spec->cpld = val;
 488 }
 489 #ifdef CONFIG_PROC_FS
 490 static void proc_regs_read(struct snd_info_entry *entry,
 491                 struct snd_info_buffer *buffer)
 492 {
 493         struct snd_ice1712 *ice = entry->private_data;
 494         char bin_buffer[36];
 495
 496         snd_iprintf(buffer, "SCR:       %s\n", get_binary(bin_buffer,
 497                                 get_scr(ice)));
 498         snd_iprintf(buffer, "MCR:       %s\n", get_binary(bin_buffer,
 499                                 get_mcr(ice)));
 500         snd_iprintf(buffer, "CPLD:      %s\n", get_binary(bin_buffer,
 501                                 get_cpld(ice)));
 502 }
 503
 504 static void proc_init(struct snd_ice1712 *ice)
 505 {
 506         struct snd_info_entry *entry;
 507         if (!snd_card_proc_new(ice->card, "quartet", &entry))
 508                 snd_info_set_text_ops(entry, ice, proc_regs_read);
 509 }
 510 #else /* !CONFIG_PROC_FS */
 511 static void proc_init(struct snd_ice1712 *ice) {}
 512 #endif
 513
 514 static int qtet_mute_get(struct snd_kcontrol *kcontrol,
 515                 struct snd_ctl_elem_value *ucontrol)
 516 {
 517         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 518         unsigned int val;
 519         val = get_scr(ice) & SCR_MUTE;
 520         ucontrol->value.integer.value[0] = (val) ? 0 : 1;
 521         return 0;
 522 }
 523
 524 static int qtet_mute_put(struct snd_kcontrol *kcontrol,
 525                 struct snd_ctl_elem_value *ucontrol)
 526 {
 527         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 528         unsigned int old, new, smute;
 529         old = get_scr(ice) & SCR_MUTE;
 530         if (ucontrol->value.integer.value[0]) {
 531                 /* unmute */
 532                 new = 0;
 533                 /* un-smuting DAC */
 534                 smute = 0;
 535         } else {
 536                 /* mute */
 537                 new = SCR_MUTE;
 538                 /* smuting DAC */
 539                 smute = AK4620_SMUTE;
 540         }
 541         if (old != new) {
 542                 struct snd_akm4xxx *ak = ice->akm;
 543                 set_scr(ice, (get_scr(ice) & ~SCR_MUTE) | new);
 544                 /* set smute */
 545                 qtet_akm_set_regs(ak, AK4620_DEEMVOL_REG, AK4620_SMUTE, smute);
 546                 return 1;
 547         }
 548         /* no change */
 549         return 0;
 550 }
 551
 552 static int qtet_ain12_enum_info(struct snd_kcontrol *kcontrol,
 553                 struct snd_ctl_elem_info *uinfo)
 554 {
 555         static const char * const texts[3] =
 556                 {"Line In 1/2", "Mic", "Mic + Low-cut"};
 557         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 558         uinfo->count = 1;
 559         uinfo->value.enumerated.items = ARRAY_SIZE(texts);
 560
 561         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 562                 uinfo->value.enumerated.item =
 563                         uinfo->value.enumerated.items - 1;
 564         strcpy(uinfo->value.enumerated.name,
 565                         texts[uinfo->value.enumerated.item]);
 566
 567         return 0;
 568 }
 569
 570 static int qtet_ain12_sw_get(struct snd_kcontrol *kcontrol,
 571                 struct snd_ctl_elem_value *ucontrol)
 572 {
 573         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 574         unsigned int val, result;
 575         val = get_scr(ice) & (SCR_AIN12_SEL1 | SCR_AIN12_SEL0);
 576         switch (val) {
 577         case SCR_AIN12_LINE:
 578                 result = 0;
 579                 break;
 580         case SCR_AIN12_MIC:
 581                 result = 1;
 582                 break;
 583         case SCR_AIN12_LOWCUT:
 584                 result = 2;
 585                 break;
 586         default:
 587                 /* BUG - no other combinations allowed */
 588                 snd_BUG();
 589                 result = 0;
 590         }
 591         ucontrol->value.integer.value[0] = result;
 592         return 0;
 593 }
 594
 595 static int qtet_ain12_sw_put(struct snd_kcontrol *kcontrol,
 596                 struct snd_ctl_elem_value *ucontrol)
 597 {
 598         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 599         unsigned int old, new, tmp, masked_old;
 600         old = new = get_scr(ice);
 601         masked_old = old & (SCR_AIN12_SEL1 | SCR_AIN12_SEL0);
 602         tmp = ucontrol->value.integer.value[0];
 603         if (tmp == 2)
 604                 tmp = 3;        /* binary 10 is not supported */
 605         tmp <<= 4;      /* shifting to SCR_AIN12_SEL0 */
 606         if (tmp != masked_old) {
 607                 /* change requested */
 608                 switch (tmp) {
 609                 case SCR_AIN12_LINE:
 610                         new = old & ~(SCR_AIN12_SEL1 | SCR_AIN12_SEL0);
 611                         set_scr(ice, new);
 612                         /* turn off relay */
 613                         new &= ~SCR_RELAY;
 614                         set_scr(ice, new);
 615                         break;
 616                 case SCR_AIN12_MIC:
 617                         /* turn on relay */
 618                         new = old | SCR_RELAY;
 619                         set_scr(ice, new);
 620                         new = (new & ~SCR_AIN12_SEL1) | SCR_AIN12_SEL0;
 621                         set_scr(ice, new);
 622                         break;
 623                 case SCR_AIN12_LOWCUT:
 624                         /* turn on relay */
 625                         new = old | SCR_RELAY;
 626                         set_scr(ice, new);
 627                         new |= SCR_AIN12_SEL1 | SCR_AIN12_SEL0;
 628                         set_scr(ice, new);
 629                         break;
 630                 default:
 631                         snd_BUG();
 632                 }
 633                 return 1;
 634         }
 635         /* no change */
 636         return 0;
 637 }
 638
 639 static int qtet_php_get(struct snd_kcontrol *kcontrol,
 640                 struct snd_ctl_elem_value *ucontrol)
 641 {
 642         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 643         unsigned int val;
 644         /* if phantom voltage =48V, phantom on */
 645         val = get_scr(ice) & SCR_PHP_V;
 646         ucontrol->value.integer.value[0] = val ? 1 : 0;
 647         return 0;
 648 }
 649
 650 static int qtet_php_put(struct snd_kcontrol *kcontrol,
 651                 struct snd_ctl_elem_value *ucontrol)
 652 {
 653         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 654         unsigned int old, new;
 655         old = new = get_scr(ice);
 656         if (ucontrol->value.integer.value[0] /* phantom on requested */
 657                         && (~old & SCR_PHP_V)) /* 0 = voltage 5V */ {
 658                 /* is off, turn on */
 659                 /* turn voltage on first, = 1 */
 660                 new = old | SCR_PHP_V;
 661                 set_scr(ice, new);
 662                 /* turn phantom on, = 0 */
 663                 new &= ~SCR_PHP;
 664                 set_scr(ice, new);
 665         } else if (!ucontrol->value.integer.value[0] && (old & SCR_PHP_V)) {
 666                 /* phantom off requested and 1 = voltage 48V */
 667                 /* is on, turn off */
 668                 /* turn voltage off first, = 0 */
 669                 new = old & ~SCR_PHP_V;
 670                 set_scr(ice, new);
 671                 /* turn phantom off, = 1 */
 672                 new |= SCR_PHP;
 673                 set_scr(ice, new);
 674         }
 675         if (old != new)
 676                 return 1;
 677         /* no change */
 678         return 0;
 679 }
 680
 681 #define PRIV_SW(xid, xbit, xreg)        [xid] = {.bit = xbit,\
 682         .set_register = set_##xreg,\
 683         .get_register = get_##xreg, }
 684
 685
 686 #define PRIV_ENUM2(xid, xbit, xreg, xtext1, xtext2)     [xid] = {.bit = xbit,\
 687         .set_register = set_##xreg,\
 688         .get_register = get_##xreg,\
 689         .texts = {xtext1, xtext2} }
 690
 691 static struct qtet_kcontrol_private qtet_privates[] = {
 692         PRIV_ENUM2(IN12_SEL, CPLD_IN12_SEL, cpld, "An In 1/2", "An In 3/4"),
 693         PRIV_ENUM2(IN34_SEL, CPLD_IN34_SEL, cpld, "An In 3/4", "IEC958 In"),
 694         PRIV_ENUM2(AIN34_SEL, SCR_AIN34_SEL, scr, "Line In 3/4", "Hi-Z"),
 695         PRIV_ENUM2(COAX_OUT, CPLD_COAX_OUT, cpld, "IEC958", "I2S"),
 696         PRIV_SW(IN12_MON12, MCR_IN12_MON12, mcr),
 697         PRIV_SW(IN12_MON34, MCR_IN12_MON34, mcr),
 698         PRIV_SW(IN34_MON12, MCR_IN34_MON12, mcr),
 699         PRIV_SW(IN34_MON34, MCR_IN34_MON34, mcr),
 700         PRIV_SW(OUT12_MON34, MCR_OUT12_MON34, mcr),
 701         PRIV_SW(OUT34_MON12, MCR_OUT34_MON12, mcr),
 702 };
 703
 704 static int qtet_enum_info(struct snd_kcontrol *kcontrol,
 705                 struct snd_ctl_elem_info *uinfo)
 706 {
 707         struct qtet_kcontrol_private private =
 708                 qtet_privates[kcontrol->private_value];
 709         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 710         uinfo->count = 1;
 711         uinfo->value.enumerated.items = ARRAY_SIZE(private.texts);
 712
 713         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 714                 uinfo->value.enumerated.item =
 715                         uinfo->value.enumerated.items - 1;
 716         strcpy(uinfo->value.enumerated.name,
 717                         private.texts[uinfo->value.enumerated.item]);
 718
 719         return 0;
 720 }
 721
 722 static int qtet_sw_get(struct snd_kcontrol *kcontrol,
 723                 struct snd_ctl_elem_value *ucontrol)
 724 {
 725         struct qtet_kcontrol_private private =
 726                 qtet_privates[kcontrol->private_value];
 727         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 728         ucontrol->value.integer.value[0] =
 729                 (private.get_register(ice) & private.bit) ? 1 : 0;
 730         return 0;
 731 }
 732
 733 static int qtet_sw_put(struct snd_kcontrol *kcontrol,
 734                 struct snd_ctl_elem_value *ucontrol)
 735 {
 736         struct qtet_kcontrol_private private =
 737                 qtet_privates[kcontrol->private_value];
 738         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 739         unsigned int old, new;
 740         old = private.get_register(ice);
 741         if (ucontrol->value.integer.value[0])
 742                 new = old | private.bit;
 743         else
 744                 new = old & ~private.bit;
 745         if (old != new) {
 746                 private.set_register(ice, new);
 747                 return 1;
 748         }
 749         /* no change */
 750         return 0;
 751 }
 752
 753 #define qtet_sw_info    snd_ctl_boolean_mono_info
 754
 755 #define QTET_CONTROL(xname, xtype, xpriv)       \
 756         {.iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
 757         .name = xname,\
 758         .info = qtet_##xtype##_info,\
 759         .get = qtet_sw_get,\
 760         .put = qtet_sw_put,\
 761         .private_value = xpriv }
 762
 763 static struct snd_kcontrol_new qtet_controls[] = {
 764         {
 765                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 766                 .name = "Master Playback Switch",
 767                 .info = qtet_sw_info,
 768                 .get = qtet_mute_get,
 769                 .put = qtet_mute_put,
 770                 .private_value = 0
 771         },
 772         {
 773                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 774                 .name = "Phantom Power",
 775                 .info = qtet_sw_info,
 776                 .get = qtet_php_get,
 777                 .put = qtet_php_put,
 778                 .private_value = 0
 779         },
 780         {
 781                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 782                 .name = "Analog In 1/2 Capture Switch",
 783                 .info = qtet_ain12_enum_info,
 784                 .get = qtet_ain12_sw_get,
 785                 .put = qtet_ain12_sw_put,
 786                 .private_value = 0
 787         },
 788         QTET_CONTROL("Analog In 3/4 Capture Switch", enum, AIN34_SEL),
 789         QTET_CONTROL("PCM In 1/2 Capture Switch", enum, IN12_SEL),
 790         QTET_CONTROL("PCM In 3/4 Capture Switch", enum, IN34_SEL),
 791         QTET_CONTROL("Coax Output Source", enum, COAX_OUT),
 792         QTET_CONTROL("Analog In 1/2 to Monitor 1/2", sw, IN12_MON12),
 793         QTET_CONTROL("Analog In 1/2 to Monitor 3/4", sw, IN12_MON34),
 794         QTET_CONTROL("Analog In 3/4 to Monitor 1/2", sw, IN34_MON12),
 795         QTET_CONTROL("Analog In 3/4 to Monitor 3/4", sw, IN34_MON34),
 796         QTET_CONTROL("Output 1/2 to Monitor 3/4", sw, OUT12_MON34),
 797         QTET_CONTROL("Output 3/4 to Monitor 1/2", sw, OUT34_MON12),
 798 };
 799
 800 static char *slave_vols[] = {
 801         PCM_12_PLAYBACK_VOLUME,
 802         PCM_34_PLAYBACK_VOLUME,
 803         NULL
 804 };
 805
 806 static
 807 DECLARE_TLV_DB_SCALE(qtet_master_db_scale, -6350, 50, 1);
 808
 809 static struct snd_kcontrol *ctl_find(struct snd_card *card,
 810                                      const char *name)
 811 {
 812         struct snd_ctl_elem_id sid;
 813         memset(&sid, 0, sizeof(sid));
 814         /* FIXME: strcpy is bad. */
 815         strcpy(sid.name, name);
 816         sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 817         return snd_ctl_find_id(card, &sid);
 818 }
 819
 820 static void add_slaves(struct snd_card *card,
 821                        struct snd_kcontrol *master, char * const *list)
 822 {
 823         for (; *list; list++) {
 824                 struct snd_kcontrol *slave = ctl_find(card, *list);
 825                 if (slave)
 826                         snd_ctl_add_slave(master, slave);
 827         }
 828 }
 829
 830 static int qtet_add_controls(struct snd_ice1712 *ice)
 831 {
 832         struct qtet_spec *spec = ice->spec;
 833         int err, i;
 834         struct snd_kcontrol *vmaster;
 835         err = snd_ice1712_akm4xxx_build_controls(ice);
 836         if (err < 0)
 837                 return err;
 838         for (i = 0; i < ARRAY_SIZE(qtet_controls); i++) {
 839                 err = snd_ctl_add(ice->card,
 840                                 snd_ctl_new1(&qtet_controls[i], ice));
 841                 if (err < 0)
 842                         return err;
 843         }
 844
 845         /* Create virtual master control */
 846         vmaster = snd_ctl_make_virtual_master("Master Playback Volume",
 847                         qtet_master_db_scale);
 848         if (!vmaster)
 849                 return -ENOMEM;
 850         add_slaves(ice->card, vmaster, slave_vols);
 851         err = snd_ctl_add(ice->card, vmaster);
 852         if (err < 0)
 853                 return err;
 854         /* only capture SPDIF over AK4113 */
 855         err = snd_ak4113_build(spec->ak4113,
 856                         ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 857         if (err < 0)
 858                 return err;
 859         return 0;
 860 }
 861
 862 static inline int qtet_is_spdif_master(struct snd_ice1712 *ice)
 863 {
 864         /* CPLD_SYNC_SEL: 0 = internal, 1 = external (i.e. spdif master) */
 865         return (get_cpld(ice) & CPLD_SYNC_SEL) ? 1 : 0;
 866 }
 867
 868 static unsigned int qtet_get_rate(struct snd_ice1712 *ice)
 869 {
 870         int i;
 871         unsigned char result;
 872
 873         result =  get_cpld(ice) & CPLD_CKS_MASK;
 874         for (i = 0; i < ARRAY_SIZE(cks_vals); i++)
 875                 if (cks_vals[i] == result)
 876                         return qtet_rates[i];
 877         return 0;
 878 }
 879
 880 static int get_cks_val(int rate)
 881 {
 882         int i;
 883         for (i = 0; i < ARRAY_SIZE(qtet_rates); i++)
 884                 if (qtet_rates[i] == rate)
 885                         return cks_vals[i];
 886         return 0;
 887 }
 888
 889 /* setting new rate */
 890 static void qtet_set_rate(struct snd_ice1712 *ice, unsigned int rate)
 891 {
 892         unsigned int new;
 893         unsigned char val;
 894         /* switching ice1724 to external clock - supplied by ext. circuits */
 895         val = inb(ICEMT1724(ice, RATE));
 896         outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
 897
 898         new =  (get_cpld(ice) & ~CPLD_CKS_MASK) | get_cks_val(rate);
 899         /* switch to internal clock, drop CPLD_SYNC_SEL */
 900         new &= ~CPLD_SYNC_SEL;
 901         /* dev_dbg(ice->card->dev, "QT - set_rate: old %x, new %x\n",
 902            get_cpld(ice), new); */
 903         set_cpld(ice, new);
 904 }
 905
 906 static inline unsigned char qtet_set_mclk(struct snd_ice1712 *ice,
 907                 unsigned int rate)
 908 {
 909         /* no change in master clock */
 910         return 0;
 911 }
 912
 913 /* setting clock to external - SPDIF */
 914 static int qtet_set_spdif_clock(struct snd_ice1712 *ice, int type)
 915 {
 916         unsigned int old, new;
 917
 918         old = new = get_cpld(ice);
 919         new &= ~(CPLD_CKS_MASK | CPLD_WORD_SEL);
 920         switch (type) {
 921         case EXT_SPDIF_TYPE:
 922                 new |= CPLD_EXT_SPDIF;
 923                 break;
 924         case EXT_WORDCLOCK_1FS_TYPE:
 925                 new |= CPLD_EXT_WORDCLOCK_1FS;
 926                 break;
 927         case EXT_WORDCLOCK_256FS_TYPE:
 928                 new |= CPLD_EXT_WORDCLOCK_256FS;
 929                 break;
 930         default:
 931                 snd_BUG();
 932         }
 933         if (old != new) {
 934                 set_cpld(ice, new);
 935                 /* changed */
 936                 return 1;
 937         }
 938         return 0;
 939 }
 940
 941 static int qtet_get_spdif_master_type(struct snd_ice1712 *ice)
 942 {
 943         unsigned int val;
 944         int result;
 945         val = get_cpld(ice);
 946         /* checking only rate/clock-related bits */
 947         val &= (CPLD_CKS_MASK | CPLD_WORD_SEL | CPLD_SYNC_SEL);
 948         if (!(val & CPLD_SYNC_SEL)) {
 949                 /* switched to internal clock, is not any external type */
 950                 result = -1;
 951         } else {
 952                 switch (val) {
 953                 case (CPLD_EXT_SPDIF):
 954                         result = EXT_SPDIF_TYPE;
 955                         break;
 956                 case (CPLD_EXT_WORDCLOCK_1FS):
 957                         result = EXT_WORDCLOCK_1FS_TYPE;
 958                         break;
 959                 case (CPLD_EXT_WORDCLOCK_256FS):
 960                         result = EXT_WORDCLOCK_256FS_TYPE;
 961                         break;
 962                 default:
 963                         /* undefined combination of external clock setup */
 964                         snd_BUG();
 965                         result = 0;
 966                 }
 967         }
 968         return result;
 969 }
 970
 971 /* Called when ak4113 detects change in the input SPDIF stream */
 972 static void qtet_ak4113_change(struct ak4113 *ak4113, unsigned char c0,
 973                 unsigned char c1)
 974 {
 975         struct snd_ice1712 *ice = ak4113->change_callback_private;
 976         int rate;
 977         if ((qtet_get_spdif_master_type(ice) == EXT_SPDIF_TYPE) &&
 978                         c1) {
 979                 /* only for SPDIF master mode, rate was changed */
 980                 rate = snd_ak4113_external_rate(ak4113);
 981                 /* dev_dbg(ice->card->dev, "ak4113 - input rate changed to %d\n",
 982                    rate); */
 983                 qtet_akm_set_rate_val(ice->akm, rate);
 984         }
 985 }
 986
 987 /*
 988  * If clock slaved to SPDIF-IN, setting runtime rate
 989  * to the detected external rate
 990  */
 991 static void qtet_spdif_in_open(struct snd_ice1712 *ice,
 992                 struct snd_pcm_substream *substream)
 993 {
 994         struct qtet_spec *spec = ice->spec;
 995         struct snd_pcm_runtime *runtime = substream->runtime;
 996         int rate;
 997
 998         if (qtet_get_spdif_master_type(ice) != EXT_SPDIF_TYPE)
 999                 /* not external SPDIF, no rate limitation */
1000                 return;
1001         /* only external SPDIF can detect incoming sample rate */
1002         rate = snd_ak4113_external_rate(spec->ak4113);
1003         if (rate >= runtime->hw.rate_min && rate <= runtime->hw.rate_max) {
1004                 runtime->hw.rate_min = rate;
1005                 runtime->hw.rate_max = rate;
1006         }
1007 }
1008
1009 /*
1010  * initialize the chip
1011  */
1012 static int qtet_init(struct snd_ice1712 *ice)
1013 {
1014         static const unsigned char ak4113_init_vals[] = {
1015                 /* AK4113_REG_PWRDN */  AK4113_RST | AK4113_PWN |
1016                         AK4113_OCKS0 | AK4113_OCKS1,
1017                 /* AK4113_REQ_FORMAT */ AK4113_DIF_I24I2S | AK4113_VTX |
1018                         AK4113_DEM_OFF | AK4113_DEAU,
1019                 /* AK4113_REG_IO0 */    AK4113_OPS2 | AK4113_TXE |
1020                         AK4113_XTL_24_576M,
1021                 /* AK4113_REG_IO1 */    AK4113_EFH_1024LRCLK | AK4113_IPS(0),
1022                 /* AK4113_REG_INT0_MASK */      0,
1023                 /* AK4113_REG_INT1_MASK */      0,
1024                 /* AK4113_REG_DATDTS */         0,
1025         };
1026         int err;
1027         struct qtet_spec *spec;
1028         struct snd_akm4xxx *ak;
1029         unsigned char val;
1030
1031         /* switching ice1724 to external clock - supplied by ext. circuits */
1032         val = inb(ICEMT1724(ice, RATE));
1033         outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
1034
1035         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1036         if (!spec)
1037                 return -ENOMEM;
1038         /* qtet is clocked by Xilinx array */
1039         ice->hw_rates = &qtet_rates_info;
1040         ice->is_spdif_master = qtet_is_spdif_master;
1041         ice->get_rate = qtet_get_rate;
1042         ice->set_rate = qtet_set_rate;
1043         ice->set_mclk = qtet_set_mclk;
1044         ice->set_spdif_clock = qtet_set_spdif_clock;
1045         ice->get_spdif_master_type = qtet_get_spdif_master_type;
1046         ice->ext_clock_names = ext_clock_names;
1047         ice->ext_clock_count = ARRAY_SIZE(ext_clock_names);
1048         /* since Qtet can detect correct SPDIF-in rate, all streams can be
1049          * limited to this specific rate */
1050         ice->spdif.ops.open = ice->pro_open = qtet_spdif_in_open;
1051         ice->spec = spec;
1052
1053         /* Mute Off */
1054         /* SCR Initialize*/
1055         /* keep codec power down first */
1056         set_scr(ice, SCR_PHP);
1057         udelay(1);
1058         /* codec power up */
1059         set_scr(ice, SCR_PHP | SCR_CODEC_PDN);
1060
1061         /* MCR Initialize */
1062         set_mcr(ice, 0);
1063
1064         /* CPLD Initialize */
1065         set_cpld(ice, 0);
1066
1067
1068         ice->num_total_dacs = 2;
1069         ice->num_total_adcs = 2;
1070
1071         ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
1072         ak = ice->akm;
1073         if (!ak)
1074                 return -ENOMEM;
1075         /* only one codec with two chips */
1076         ice->akm_codecs = 1;
1077         err = snd_ice1712_akm4xxx_init(ak, &akm_qtet_dac, NULL, ice);
1078         if (err < 0)
1079                 return err;
1080         err = snd_ak4113_create(ice->card,
1081                         qtet_ak4113_read,
1082                         qtet_ak4113_write,
1083                         ak4113_init_vals,
1084                         ice, &spec->ak4113);
1085         if (err < 0)
1086                 return err;
1087         /* callback for codecs rate setting */
1088         spec->ak4113->change_callback = qtet_ak4113_change;
1089         spec->ak4113->change_callback_private = ice;
1090         /* AK41143 in Quartet can detect external rate correctly
1091          * (i.e. check_flags = 0) */
1092         spec->ak4113->check_flags = 0;
1093
1094         proc_init(ice);
1095
1096         qtet_set_rate(ice, 44100);
1097         return 0;
1098 }
1099
1100 static unsigned char qtet_eeprom[] = {
1101         [ICE_EEP2_SYSCONF]     = 0x28,  /* clock 256(24MHz), mpu401, 1xADC,
1102                                            1xDACs, SPDIF in */
1103         [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
1104         [ICE_EEP2_I2S]         = 0x78,  /* 96k, 24bit, 192k */
1105         [ICE_EEP2_SPDIF]       = 0xc3,  /* out-en, out-int, in, out-ext */
1106         [ICE_EEP2_GPIO_DIR]    = 0x00,  /* 0-7 inputs, switched to output
1107                                            only during output operations */
1108         [ICE_EEP2_GPIO_DIR1]   = 0xff,  /* 8-15 outputs */
1109         [ICE_EEP2_GPIO_DIR2]   = 0x00,
1110         [ICE_EEP2_GPIO_MASK]   = 0xff,  /* changed only for OUT operations */
1111         [ICE_EEP2_GPIO_MASK1]  = 0x00,
1112         [ICE_EEP2_GPIO_MASK2]  = 0xff,
1113
1114         [ICE_EEP2_GPIO_STATE]  = 0x00, /* inputs */
1115         [ICE_EEP2_GPIO_STATE1] = 0x7d, /* all 1, but GPIO_CPLD_RW
1116                                           and GPIO15 always zero */
1117         [ICE_EEP2_GPIO_STATE2] = 0x00, /* inputs */
1118 };
1119
1120 /* entry point */
1121 struct snd_ice1712_card_info snd_vt1724_qtet_cards[] = {
1122         {
1123                 .subvendor = VT1724_SUBDEVICE_QTET,
1124                 .name = "Infrasonic Quartet",
1125                 .model = "quartet",
1126                 .chip_init = qtet_init,
1127                 .build_controls = qtet_add_controls,
1128                 .eeprom_size = sizeof(qtet_eeprom),
1129                 .eeprom_data = qtet_eeprom,
1130         },
1131         { } /* terminator */
1132 };