sound/pci/ice1712/prodigy192.c

   1 /*
   2  *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
   3  *
   4  *   Lowlevel functions for AudioTrak Prodigy 192 cards
   5  *   Supported IEC958 input from optional MI/ODI/O add-on card.
   6  *
   7  *   Specifics (SW, HW):
   8  *   -------------------
   9  *      * 49.5MHz crystal
  10  *      * SPDIF-OUT on the card:
  11  *        - coax (through isolation transformer)/toslink supplied by
  12  *          74HC04 gates - 3 in parallel
  13  *        - output switched between on-board CD drive dig-out connector
  14  *          and ice1724 SPDTX pin, using 74HC02 NOR gates, controlled
  15  *          by GPIO20 (0 = CD dig-out, 1 = SPDTX)
  16  *      * SPDTX goes straight to MI/ODI/O card's SPDIF-OUT coax
  17  *
  18  *      * MI/ODI/O card: AK4114 based, used for iec958 input only
  19  *              - toslink input -> RX0
  20  *              - coax input -> RX1
  21  *              - 4wire protocol:
  22  *                      AK4114          ICE1724
  23  *                      ------------------------------
  24  *                      CDTO (pin 32) -- GPIO11 pin 86
  25  *                      CDTI (pin 33) -- GPIO10 pin 77
  26  *                      CCLK (pin 34) -- GPIO9 pin 76
  27  *                      CSN  (pin 35) -- GPIO8 pin 75
  28  *              - output data Mode 7 (24bit, I2S, slave)
  29  *
  30  *      Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
  31  *      Copyright (c) 2003 Dimitromanolakis Apostolos <apostol@cs.utoronto.ca>
  32  *      Copyright (c) 2004 Kouichi ONO <co2b@ceres.dti.ne.jp>
  33  *
  34  *   This program is free software; you can redistribute it and/or modify
  35  *   it under the terms of the GNU General Public License as published by
  36  *   the Free Software Foundation; either version 2 of the License, or
  37  *   (at your option) any later version.
  38  *
  39  *   This program is distributed in the hope that it will be useful,
  40  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  41  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  42  *   GNU General Public License for more details.
  43  *
  44  *   You should have received a copy of the GNU General Public License
  45  *   along with this program; if not, write to the Free Software
  46  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  47  *
  48  */
  49
  50 #include <sound/driver.h>
  51 #include <asm/io.h>
  52 #include <linux/delay.h>
  53 #include <linux/interrupt.h>
  54 #include <linux/init.h>
  55 #include <linux/slab.h>
  56 #include <sound/core.h>
  57
  58 #include "ice1712.h"
  59 #include "envy24ht.h"
  60 #include "prodigy192.h"
  61 #include "stac946x.h"
  62 #include <sound/tlv.h>
  63
  64 static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val)
  65 {
  66         snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val);
  67 }
  68
  69 static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
  70 {
  71         return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg);
  72 }
  73
  74 /*
  75  * DAC mute control
  76  */
  77 static int stac9460_dac_mute_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
  78 {
  79         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
  80         uinfo->count = 1;
  81         uinfo->value.integer.min = 0;
  82         uinfo->value.integer.max = 1;
  83         return 0;
  84 }
  85
  86 static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
  87 {
  88         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
  89         unsigned char val;
  90         int idx;
  91
  92         if (kcontrol->private_value)
  93                 idx = STAC946X_MASTER_VOLUME;
  94         else
  95                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
  96         val = stac9460_get(ice, idx);
  97         ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
  98         return 0;
  99 }
 100
 101 static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 102 {
 103         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 104         unsigned char new, old;
 105         int idx;
 106         int change;
 107
 108         if (kcontrol->private_value)
 109                 idx = STAC946X_MASTER_VOLUME;
 110         else
 111                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 112         old = stac9460_get(ice, idx);
 113         new = (~ucontrol->value.integer.value[0]<< 7 & 0x80) | (old & ~0x80);
 114         change = (new != old);
 115         if (change)
 116                 stac9460_put(ice, idx, new);
 117
 118         return change;
 119 }
 120
 121 /*
 122  * DAC volume attenuation mixer control
 123  */
 124 static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 125 {
 126         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 127         uinfo->count = 1;
 128         uinfo->value.integer.min = 0;                   /* mute */
 129         uinfo->value.integer.max = 0x7f;                /* 0dB */
 130         return 0;
 131 }
 132
 133 static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 134 {
 135         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 136         int idx;
 137         unsigned char vol;
 138
 139         if (kcontrol->private_value)
 140                 idx = STAC946X_MASTER_VOLUME;
 141         else
 142                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 143         vol = stac9460_get(ice, idx) & 0x7f;
 144         ucontrol->value.integer.value[0] = 0x7f - vol;
 145
 146         return 0;
 147 }
 148
 149 static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 150 {
 151         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 152         int idx;
 153         unsigned char tmp, ovol, nvol;
 154         int change;
 155
 156         if (kcontrol->private_value)
 157                 idx = STAC946X_MASTER_VOLUME;
 158         else
 159                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 160         nvol = ucontrol->value.integer.value[0];
 161         tmp = stac9460_get(ice, idx);
 162         ovol = 0x7f - (tmp & 0x7f);
 163         change = (ovol != nvol);
 164         if (change) {
 165                 stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
 166         }
 167         return change;
 168 }
 169
 170 /*
 171  * ADC mute control
 172  */
 173 static int stac9460_adc_mute_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 174 {
 175         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 176         uinfo->count = 2;
 177         uinfo->value.integer.min = 0;
 178         uinfo->value.integer.max = 1;
 179         return 0;
 180 }
 181
 182 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 183 {
 184         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 185         unsigned char val;
 186         int i;
 187
 188         for (i = 0; i < 2; ++i) {
 189                 val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
 190                 ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
 191         }
 192
 193         return 0;
 194 }
 195
 196 static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 197 {
 198         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 199         unsigned char new, old;
 200         int i, reg;
 201         int change;
 202
 203         for (i = 0; i < 2; ++i) {
 204                 reg = STAC946X_MIC_L_VOLUME + i;
 205                 old = stac9460_get(ice, reg);
 206                 new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80);
 207                 change = (new != old);
 208                 if (change)
 209                         stac9460_put(ice, reg, new);
 210         }
 211
 212         return change;
 213 }
 214
 215 /*
 216  * ADC gain mixer control
 217  */
 218 static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 219 {
 220         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 221         uinfo->count = 2;
 222         uinfo->value.integer.min = 0;           /* 0dB */
 223         uinfo->value.integer.max = 0x0f;        /* 22.5dB */
 224         return 0;
 225 }
 226
 227 static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 228 {
 229         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 230         int i, reg;
 231         unsigned char vol;
 232
 233         for (i = 0; i < 2; ++i) {
 234                 reg = STAC946X_MIC_L_VOLUME + i;
 235                 vol = stac9460_get(ice, reg) & 0x0f;
 236                 ucontrol->value.integer.value[i] = 0x0f - vol;
 237         }
 238
 239         return 0;
 240 }
 241
 242 static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 243 {
 244         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 245         int i, reg;
 246         unsigned char ovol, nvol;
 247         int change;
 248
 249         for (i = 0; i < 2; ++i) {
 250                 reg = STAC946X_MIC_L_VOLUME + i;
 251                 nvol = ucontrol->value.integer.value[i];
 252                 ovol = 0x0f - stac9460_get(ice, reg);
 253                 change = ((ovol & 0x0f)  != nvol);
 254                 if (change)
 255                         stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f));
 256         }
 257
 258         return change;
 259 }
 260
 261 #if 0
 262 /*
 263  * Headphone Amplifier
 264  */
 265 static int aureon_set_headphone_amp(struct snd_ice1712 *ice, int enable)
 266 {
 267         unsigned int tmp, tmp2;
 268
 269         tmp2 = tmp = snd_ice1712_gpio_read(ice);
 270         if (enable)
 271                 tmp |= AUREON_HP_SEL;
 272         else
 273                 tmp &= ~ AUREON_HP_SEL;
 274         if (tmp != tmp2) {
 275                 snd_ice1712_gpio_write(ice, tmp);
 276                 return 1;
 277         }
 278         return 0;
 279 }
 280
 281 static int aureon_get_headphone_amp(struct snd_ice1712 *ice)
 282 {
 283         unsigned int tmp = snd_ice1712_gpio_read(ice);
 284
 285         return ( tmp & AUREON_HP_SEL )!= 0;
 286 }
 287
 288 static int aureon_bool_info(struct snd_kcontrol *k, struct snd_ctl_elem_info *uinfo)
 289 {
 290         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 291         uinfo->count = 1;
 292         uinfo->value.integer.min = 0;
 293         uinfo->value.integer.max = 1;
 294         return 0;
 295 }
 296
 297 static int aureon_hpamp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 298 {
 299         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 300
 301         ucontrol->value.integer.value[0] = aureon_get_headphone_amp(ice);
 302         return 0;
 303 }
 304
 305
 306 static int aureon_hpamp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 307 {
 308         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 309
 310         return aureon_set_headphone_amp(ice,ucontrol->value.integer.value[0]);
 311 }
 312
 313 /*
 314  * Deemphasis
 315  */
 316 static int aureon_deemp_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 317 {
 318         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 319         ucontrol->value.integer.value[0] = (wm_get(ice, WM_DAC_CTRL2) & 0xf) == 0xf;
 320         return 0;
 321 }
 322
 323 static int aureon_deemp_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 324 {
 325         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 326         int temp, temp2;
 327         temp2 = temp = wm_get(ice, WM_DAC_CTRL2);
 328         if (ucontrol->value.integer.value[0])
 329                 temp |= 0xf;
 330         else
 331                 temp &= ~0xf;
 332         if (temp != temp2) {
 333                 wm_put(ice, WM_DAC_CTRL2, temp);
 334                 return 1;
 335         }
 336         return 0;
 337 }
 338
 339 /*
 340  * ADC Oversampling
 341  */
 342 static int aureon_oversampling_info(struct snd_kcontrol *k, struct snd_ctl_elem_info *uinfo)
 343 {
 344         static char *texts[2] = { "128x", "64x" };
 345
 346         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 347         uinfo->count = 1;
 348         uinfo->value.enumerated.items = 2;
 349
 350         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 351                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 352         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 353
 354         return 0;
 355 }
 356
 357 static int aureon_oversampling_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 358 {
 359         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 360         ucontrol->value.enumerated.item[0] = (wm_get(ice, WM_MASTER) & 0x8) == 0x8;
 361         return 0;
 362 }
 363
 364 static int aureon_oversampling_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 365 {
 366         int temp, temp2;
 367         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 368
 369         temp2 = temp = wm_get(ice, WM_MASTER);
 370
 371         if (ucontrol->value.enumerated.item[0])
 372                 temp |= 0x8;
 373         else
 374                 temp &= ~0x8;
 375
 376         if (temp != temp2) {
 377                 wm_put(ice, WM_MASTER, temp);
 378                 return 1;
 379         }
 380         return 0;
 381 }
 382 #endif
 383 static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol,
 384                                 struct snd_ctl_elem_info *uinfo)
 385 {
 386         static char *texts[2] = { "Line In", "Mic" };
 387
 388         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 389         uinfo->count = 1;
 390         uinfo->value.enumerated.items = 2;
 391
 392         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 393                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 394         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 395
 396         return 0;
 397 }
 398
 399
 400 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
 401                         struct snd_ctl_elem_value *ucontrol)
 402 {
 403         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 404         unsigned char val;
 405
 406         val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
 407         ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1;
 408         return 0;
 409 }
 410
 411 static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
 412                         struct snd_ctl_elem_value *ucontrol)
 413 {
 414         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 415         unsigned char new, old;
 416         int change;
 417         old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
 418         new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80);
 419         change = (new != old);
 420         if (change)
 421                 stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
 422         return change;
 423 }
 424
 425 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
 426 static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
 427
 428 /*
 429  * mixers
 430  */
 431
 432 static struct snd_kcontrol_new stac_controls[] __devinitdata = {
 433         {
 434                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 435                 .name = "Master Playback Switch",
 436                 .info = stac9460_dac_mute_info,
 437                 .get = stac9460_dac_mute_get,
 438                 .put = stac9460_dac_mute_put,
 439                 .private_value = 1,
 440                 .tlv = { .p = db_scale_dac }
 441         },
 442         {
 443                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 444                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 445                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 446                 .name = "Master Playback Volume",
 447                 .info = stac9460_dac_vol_info,
 448                 .get = stac9460_dac_vol_get,
 449                 .put = stac9460_dac_vol_put,
 450                 .private_value = 1,
 451                 .tlv = { .p = db_scale_dac }
 452         },
 453         {
 454                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 455                 .name = "DAC Switch",
 456                 .count = 6,
 457                 .info = stac9460_dac_mute_info,
 458                 .get = stac9460_dac_mute_get,
 459                 .put = stac9460_dac_mute_put,
 460         },
 461         {
 462                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 463                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 464                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 465                 .name = "DAC Volume",
 466                 .count = 6,
 467                 .info = stac9460_dac_vol_info,
 468                 .get = stac9460_dac_vol_get,
 469                 .put = stac9460_dac_vol_put,
 470                 .tlv = { .p = db_scale_dac }
 471         },
 472         {
 473                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 474                 .name = "ADC Capture Switch",
 475                 .count = 1,
 476                 .info = stac9460_adc_mute_info,
 477                 .get = stac9460_adc_mute_get,
 478                 .put = stac9460_adc_mute_put,
 479
 480         },
 481         {
 482                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 483                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 484                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 485                 .name = "ADC Capture Volume",
 486                 .count = 1,
 487                 .info = stac9460_adc_vol_info,
 488                 .get = stac9460_adc_vol_get,
 489                 .put = stac9460_adc_vol_put,
 490                 .tlv = { .p = db_scale_adc }
 491         },
 492         {
 493                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 494                 .name = "Analog Capture Input",
 495                 .info = stac9460_mic_sw_info,
 496                 .get = stac9460_mic_sw_get,
 497                 .put = stac9460_mic_sw_put,
 498
 499         },
 500 #if 0
 501         {
 502                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 503                 .name = "Capture Route",
 504                 .info = wm_adc_mux_info,
 505                 .get = wm_adc_mux_get,
 506                 .put = wm_adc_mux_put,
 507         },
 508         {
 509                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 510                 .name = "Headphone Amplifier Switch",
 511                 .info = aureon_bool_info,
 512                 .get = aureon_hpamp_get,
 513                 .put = aureon_hpamp_put
 514         },
 515         {
 516                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 517                 .name = "DAC Deemphasis Switch",
 518                 .info = aureon_bool_info,
 519                 .get = aureon_deemp_get,
 520                 .put = aureon_deemp_put
 521         },
 522         {
 523                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 524                 .name = "ADC Oversampling",
 525                 .info = aureon_oversampling_info,
 526                 .get = aureon_oversampling_get,
 527                 .put = aureon_oversampling_put
 528         },
 529 #endif
 530 };
 531
 532
 533 /* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */
 534 /* CDTO (pin 32) -- GPIO11 pin 86
 535  * CDTI (pin 33) -- GPIO10 pin 77
 536  * CCLK (pin 34) -- GPIO9 pin 76
 537  * CSN  (pin 35) -- GPIO8 pin 75
 538  */
 539 #define AK4114_ADDR     0x00 /* C1-C0: Chip Address
 540                               * (According to datasheet fixed to “00”)
 541                               */
 542
 543 /*
 544  * 4wire ak4114 protocol - writing data
 545  */
 546 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
 547                        unsigned int data, int idx)
 548 {
 549         for (; idx >= 0; idx--) {
 550                 /* drop clock */
 551                 gpio &= ~VT1724_PRODIGY192_CCLK;
 552                 snd_ice1712_gpio_write(ice, gpio);
 553                 udelay(1);
 554                 /* set data */
 555                 if (data & (1 << idx))
 556                         gpio |= VT1724_PRODIGY192_CDOUT;
 557                 else
 558                         gpio &= ~VT1724_PRODIGY192_CDOUT;
 559                 snd_ice1712_gpio_write(ice, gpio);
 560                 udelay(1);
 561                 /* raise clock */
 562                 gpio |= VT1724_PRODIGY192_CCLK;
 563                 snd_ice1712_gpio_write(ice, gpio);
 564                 udelay(1);
 565         }
 566 }
 567
 568 /*
 569  * 4wire ak4114 protocol - reading data
 570  */
 571 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
 572                                int idx)
 573 {
 574         unsigned char data = 0;
 575
 576         for (; idx >= 0; idx--) {
 577                 /* drop clock */
 578                 gpio &= ~VT1724_PRODIGY192_CCLK;
 579                 snd_ice1712_gpio_write(ice, gpio);
 580                 udelay(1);
 581                 /* read data */
 582                 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN)
 583                         data |= (1 << idx);
 584                 udelay(1);
 585                 /* raise clock */
 586                 gpio |= VT1724_PRODIGY192_CCLK;
 587                 snd_ice1712_gpio_write(ice, gpio);
 588                 udelay(1);
 589         }
 590         return data;
 591 }
 592 /*
 593  * 4wire ak4114 protocol - starting sequence
 594  */
 595 static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice)
 596 {
 597         unsigned int tmp;
 598
 599         snd_ice1712_save_gpio_status(ice);
 600         tmp = snd_ice1712_gpio_read(ice);
 601
 602         tmp |= VT1724_PRODIGY192_CCLK; /* high at init */
 603         tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */
 604         snd_ice1712_gpio_write(ice, tmp);
 605         udelay(1);
 606         return tmp;
 607 }
 608
 609 /*
 610  * 4wire ak4114 protocol - final sequence
 611  */
 612 static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
 613 {
 614         tmp |= VT1724_PRODIGY192_CS; /* raise chip select */
 615         snd_ice1712_gpio_write(ice, tmp);
 616         udelay(1);
 617         snd_ice1712_restore_gpio_status(ice);
 618 }
 619
 620 /*
 621  * Write data to addr register of ak4114
 622  */
 623 static void prodigy192_ak4114_write(void *private_data, unsigned char addr,
 624                                unsigned char data)
 625 {
 626         struct snd_ice1712 *ice = private_data;
 627         unsigned int tmp, addrdata;
 628         tmp = prodigy192_4wire_start(ice);
 629         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
 630         addrdata = (addrdata << 8) | data;
 631         write_data(ice, tmp, addrdata, 15);
 632         prodigy192_4wire_finish(ice, tmp);
 633 }
 634
 635 /*
 636  * Read data from addr register of ak4114
 637  */
 638 static unsigned char prodigy192_ak4114_read(void *private_data,
 639                                             unsigned char addr)
 640 {
 641         struct snd_ice1712 *ice = private_data;
 642         unsigned int tmp;
 643         unsigned char data;
 644
 645         tmp = prodigy192_4wire_start(ice);
 646         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
 647         data = read_data(ice, tmp, 7);
 648         prodigy192_4wire_finish(ice, tmp);
 649         return data;
 650 }
 651
 652
 653 static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol,
 654                                 struct snd_ctl_elem_info *uinfo)
 655 {
 656         static char *texts[2] = { "Toslink", "Coax" };
 657
 658         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 659         uinfo->count = 1;
 660         uinfo->value.enumerated.items = 2;
 661         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 662                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 663         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 664         return 0;
 665 }
 666
 667
 668 static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol,
 669                         struct snd_ctl_elem_value *ucontrol)
 670 {
 671         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 672         unsigned char val;
 673
 674         val = prodigy192_ak4114_read(ice, AK4114_REG_IO1);
 675         /* AK4114_IPS0 bit = 0 -> RX0 = Toslink
 676          * AK4114_IPS0 bit = 1 -> RX1 = Coax
 677          */
 678         ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0;
 679         return 0;
 680 }
 681
 682 static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol,
 683                         struct snd_ctl_elem_value *ucontrol)
 684 {
 685         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 686         unsigned char new, old, itemvalue;
 687         int change;
 688
 689         old = prodigy192_ak4114_read(ice, AK4114_REG_IO1);
 690         /* AK4114_IPS0 could be any bit */
 691         itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00;
 692
 693         new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0);
 694         change = (new != old);
 695         if (change)
 696                 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new);
 697         return change;
 698 }
 699
 700
 701 static const struct snd_kcontrol_new ak4114_controls[] __devinitdata = {
 702         {
 703                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 704                 .name = "MIODIO IEC958 Capture Input",
 705                 .info = ak4114_input_sw_info,
 706                 .get = ak4114_input_sw_get,
 707                 .put = ak4114_input_sw_put,
 708
 709         }
 710 };
 711
 712
 713 static int prodigy192_ak4114_init(struct snd_ice1712 *ice)
 714 {
 715         static const unsigned char ak4114_init_vals[] = {
 716                 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
 717                 AK4114_DIF_I24I2S, /* ice1724 expects I2S and provides clock */
 718                 AK4114_TX1E,
 719                 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */
 720                 0,
 721                 0
 722         };
 723         static const unsigned char ak4114_init_txcsb[] = {
 724                 0x41, 0x02, 0x2c, 0x00, 0x00
 725         };
 726
 727         return snd_ak4114_create(ice->card,
 728                                  prodigy192_ak4114_read,
 729                                  prodigy192_ak4114_write,
 730                                  ak4114_init_vals, ak4114_init_txcsb,
 731                                  ice, &ice->spec.prodigy192.ak4114);
 732 }
 733
 734 static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice)
 735 {
 736         unsigned int i;
 737         int err;
 738
 739         for (i = 0; i < ARRAY_SIZE(stac_controls); i++) {
 740                 err = snd_ctl_add(ice->card,
 741                                   snd_ctl_new1(&stac_controls[i], ice));
 742                 if (err < 0)
 743                         return err;
 744         }
 745         if (ice->spec.prodigy192.ak4114) {
 746                 /* ak4114 is connected */
 747                 for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) {
 748                         err = snd_ctl_add(ice->card,
 749                                           snd_ctl_new1(&ak4114_controls[i],
 750                                                        ice));
 751                         if (err < 0)
 752                                 return err;
 753                 }
 754                 err = snd_ak4114_build(ice->spec.prodigy192.ak4114,
 755                                 NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */
 756                                 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 757                 if (err < 0)
 758                         return err;
 759         }
 760         return 0;
 761 }
 762
 763 /*
 764  * check for presence of MI/ODI/O add-on card with digital inputs
 765  */
 766 static int prodigy192_miodio_exists(struct snd_ice1712 *ice)
 767 {
 768
 769         unsigned char orig_value;
 770         const unsigned char test_data = 0xd1;   /* random value */
 771         unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */
 772         int exists = 0;
 773
 774         orig_value = prodigy192_ak4114_read(ice, addr);
 775         prodigy192_ak4114_write(ice, addr, test_data);
 776         if (prodigy192_ak4114_read(ice, addr) == test_data) {
 777                 /* ak4114 seems to communicate, apparently exists */
 778                 /* writing back original value */
 779                 prodigy192_ak4114_write(ice, addr, orig_value);
 780                 exists = 1;
 781         }
 782         return exists;
 783 }
 784
 785 /*
 786  * initialize the chip
 787  */
 788 static int __devinit prodigy192_init(struct snd_ice1712 *ice)
 789 {
 790         static const unsigned short stac_inits_prodigy[] = {
 791                 STAC946X_RESET, 0,
 792 /*              STAC946X_MASTER_VOLUME, 0,
 793                 STAC946X_LF_VOLUME, 0,
 794                 STAC946X_RF_VOLUME, 0,
 795                 STAC946X_LR_VOLUME, 0,
 796                 STAC946X_RR_VOLUME, 0,
 797                 STAC946X_CENTER_VOLUME, 0,
 798                 STAC946X_LFE_VOLUME, 0,*/
 799                 (unsigned short)-1
 800         };
 801         const unsigned short *p;
 802         int err = 0;
 803
 804         /* prodigy 192 */
 805         ice->num_total_dacs = 6;
 806         ice->num_total_adcs = 2;
 807         ice->vt1720 = 0;  /* ice1724, e.g. 23 GPIOs */
 808
 809         /* initialize codec */
 810         p = stac_inits_prodigy;
 811         for (; *p != (unsigned short)-1; p += 2)
 812                 stac9460_put(ice, p[0], p[1]);
 813
 814         /* MI/ODI/O add on card with AK4114 */
 815         if (prodigy192_miodio_exists(ice)) {
 816                 err = prodigy192_ak4114_init(ice);
 817                 /* from this moment if err = 0 then
 818                  * ice->spec.prodigy192.ak4114 should not be null
 819                  */
 820                 snd_printdd("AK4114 initialized with status %d\n", err);
 821         } else
 822                 snd_printdd("AK4114 not found\n");
 823         if (err < 0)
 824                 return err;
 825
 826         return 0;
 827 }
 828
 829
 830 /*
 831  * Aureon boards don't provide the EEPROM data except for the vendor IDs.
 832  * hence the driver needs to sets up it properly.
 833  */
 834
 835 static unsigned char prodigy71_eeprom[] __devinitdata = {
 836         [ICE_EEP2_SYSCONF]     = 0x6a,  /* 49MHz crystal, mpu401,
 837                                          * spdif-in+ 1 stereo ADC,
 838                                          * 3 stereo DACs
 839                                          */
 840         [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
 841         [ICE_EEP2_I2S]         = 0xf8,  /* vol, 96k, 24bit, 192k */
 842         [ICE_EEP2_SPDIF]       = 0xc3,  /* out-en, out-int, spdif-in */
 843         [ICE_EEP2_GPIO_DIR]    = 0xff,
 844         [ICE_EEP2_GPIO_DIR1]   = ~(VT1724_PRODIGY192_CDIN >> 8) ,
 845         [ICE_EEP2_GPIO_DIR2]   = 0xbf,
 846         [ICE_EEP2_GPIO_MASK]   = 0x00,
 847         [ICE_EEP2_GPIO_MASK1]  = 0x00,
 848         [ICE_EEP2_GPIO_MASK2]  = 0x00,
 849         [ICE_EEP2_GPIO_STATE]  = 0x00,
 850         [ICE_EEP2_GPIO_STATE1] = 0x00,
 851         [ICE_EEP2_GPIO_STATE2] = 0x10,  /* GPIO20: 0 = CD drive dig. input
 852                                          * passthrough,
 853                                          * 1 = SPDIF-OUT from ice1724
 854                                          */
 855 };
 856
 857
 858 /* entry point */
 859 struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = {
 860         {
 861                 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE,
 862                 .name = "Audiotrak Prodigy 192",
 863                 .model = "prodigy192",
 864                 .chip_init = prodigy192_init,
 865                 .build_controls = prodigy192_add_controls,
 866                 .eeprom_size = sizeof(prodigy71_eeprom),
 867                 .eeprom_data = prodigy71_eeprom,
 868         },
 869         { } /* terminator */
 870 };