kernel/2.6.29.6-aldebaran-rt/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  *              - both MCKO1 and MCKO2 of ak4114 are fed to FPGA, which
  30  *                outputs master clock to SPMCLKIN of ice1724.
  31  *                Experimentally I found out that only a combination of
  32  *                OCKS0=1, OCKS1=1 (128fs, 64fs output) and ice1724 -
  33  *                VT1724_MT_I2S_MCLK_128X=0 (256fs input) yields correct
  34  *                sampling rate. That means the the FPGA doubles the
  35  *                MCK01 rate.
  36  *
  37  *      Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
  38  *      Copyright (c) 2003 Dimitromanolakis Apostolos <apostol@cs.utoronto.ca>
  39  *      Copyright (c) 2004 Kouichi ONO <co2b@ceres.dti.ne.jp>
  40  *
  41  *   This program is free software; you can redistribute it and/or modify
  42  *   it under the terms of the GNU General Public License as published by
  43  *   the Free Software Foundation; either version 2 of the License, or
  44  *   (at your option) any later version.
  45  *
  46  *   This program is distributed in the hope that it will be useful,
  47  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  48  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  49  *   GNU General Public License for more details.
  50  *
  51  *   You should have received a copy of the GNU General Public License
  52  *   along with this program; if not, write to the Free Software
  53  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  54  *
  55  */
  56
  57 #include <asm/io.h>
  58 #include <linux/delay.h>
  59 #include <linux/interrupt.h>
  60 #include <linux/init.h>
  61 #include <linux/slab.h>
  62 #include <sound/core.h>
  63
  64 #include "ice1712.h"
  65 #include "envy24ht.h"
  66 #include "prodigy192.h"
  67 #include "stac946x.h"
  68 #include <sound/tlv.h>
  69
  70 struct prodigy192_spec {
  71         struct ak4114 *ak4114;
  72         /* rate change needs atomic mute/unmute of all dacs*/
  73         struct mutex mute_mutex;
  74 };
  75
  76 static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val)
  77 {
  78         snd_vt1724_write_i2c(ice, PRODIGY192_STAC9460_ADDR, reg, val);
  79 }
  80
  81 static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
  82 {
  83         return snd_vt1724_read_i2c(ice, PRODIGY192_STAC9460_ADDR, reg);
  84 }
  85
  86 /*
  87  * DAC mute control
  88  */
  89
  90 /*
  91  * idx = STAC9460 volume register number, mute: 0 = mute, 1 = unmute
  92  */
  93 static int stac9460_dac_mute(struct snd_ice1712 *ice, int idx,
  94                 unsigned char mute)
  95 {
  96         unsigned char new, old;
  97         int change;
  98         old = stac9460_get(ice, idx);
  99         new = (~mute << 7 & 0x80) | (old & ~0x80);
 100         change = (new != old);
 101         if (change)
 102                 /*printk ("Volume register 0x%02x: 0x%02x\n", idx, new);*/
 103                 stac9460_put(ice, idx, new);
 104         return change;
 105 }
 106
 107 #define stac9460_dac_mute_info          snd_ctl_boolean_mono_info
 108
 109 static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 110 {
 111         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 112         unsigned char val;
 113         int idx;
 114
 115         if (kcontrol->private_value)
 116                 idx = STAC946X_MASTER_VOLUME;
 117         else
 118                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 119         val = stac9460_get(ice, idx);
 120         ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
 121         return 0;
 122 }
 123
 124 static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 125 {
 126         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 127         struct prodigy192_spec *spec = ice->spec;
 128         int idx, change;
 129
 130         if (kcontrol->private_value)
 131                 idx = STAC946X_MASTER_VOLUME;
 132         else
 133                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 134         /* due to possible conflicts with stac9460_set_rate_val, mutexing */
 135         mutex_lock(&spec->mute_mutex);
 136         /*printk("Mute put: reg 0x%02x, ctrl value: 0x%02x\n", idx,
 137                 ucontrol->value.integer.value[0]);*/
 138         change = stac9460_dac_mute(ice, idx, ucontrol->value.integer.value[0]);
 139         mutex_unlock(&spec->mute_mutex);
 140         return change;
 141 }
 142
 143 /*
 144  * DAC volume attenuation mixer control
 145  */
 146 static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 147 {
 148         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 149         uinfo->count = 1;
 150         uinfo->value.integer.min = 0;                   /* mute */
 151         uinfo->value.integer.max = 0x7f;                /* 0dB */
 152         return 0;
 153 }
 154
 155 static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 156 {
 157         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 158         int idx;
 159         unsigned char vol;
 160
 161         if (kcontrol->private_value)
 162                 idx = STAC946X_MASTER_VOLUME;
 163         else
 164                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 165         vol = stac9460_get(ice, idx) & 0x7f;
 166         ucontrol->value.integer.value[0] = 0x7f - vol;
 167
 168         return 0;
 169 }
 170
 171 static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 172 {
 173         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 174         int idx;
 175         unsigned char tmp, ovol, nvol;
 176         int change;
 177
 178         if (kcontrol->private_value)
 179                 idx = STAC946X_MASTER_VOLUME;
 180         else
 181                 idx  = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + STAC946X_LF_VOLUME;
 182         nvol = ucontrol->value.integer.value[0];
 183         tmp = stac9460_get(ice, idx);
 184         ovol = 0x7f - (tmp & 0x7f);
 185         change = (ovol != nvol);
 186         if (change) {
 187                 ovol =  (0x7f - nvol) | (tmp & 0x80);
 188                 /*printk("DAC Volume: reg 0x%02x: 0x%02x\n", idx, ovol);*/
 189                 stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
 190         }
 191         return change;
 192 }
 193
 194 /*
 195  * ADC mute control
 196  */
 197 #define stac9460_adc_mute_info          snd_ctl_boolean_stereo_info
 198
 199 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 200 {
 201         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 202         unsigned char val;
 203         int i;
 204
 205         for (i = 0; i < 2; ++i) {
 206                 val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
 207                 ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
 208         }
 209
 210         return 0;
 211 }
 212
 213 static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 214 {
 215         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 216         unsigned char new, old;
 217         int i, reg;
 218         int change;
 219
 220         for (i = 0; i < 2; ++i) {
 221                 reg = STAC946X_MIC_L_VOLUME + i;
 222                 old = stac9460_get(ice, reg);
 223                 new = (~ucontrol->value.integer.value[i]<<7&0x80) | (old&~0x80);
 224                 change = (new != old);
 225                 if (change)
 226                         stac9460_put(ice, reg, new);
 227         }
 228
 229         return change;
 230 }
 231
 232 /*
 233  * ADC gain mixer control
 234  */
 235 static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 236 {
 237         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 238         uinfo->count = 2;
 239         uinfo->value.integer.min = 0;           /* 0dB */
 240         uinfo->value.integer.max = 0x0f;        /* 22.5dB */
 241         return 0;
 242 }
 243
 244 static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 245 {
 246         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 247         int i, reg;
 248         unsigned char vol;
 249
 250         for (i = 0; i < 2; ++i) {
 251                 reg = STAC946X_MIC_L_VOLUME + i;
 252                 vol = stac9460_get(ice, reg) & 0x0f;
 253                 ucontrol->value.integer.value[i] = 0x0f - vol;
 254         }
 255
 256         return 0;
 257 }
 258
 259 static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 260 {
 261         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 262         int i, reg;
 263         unsigned char ovol, nvol;
 264         int change;
 265
 266         for (i = 0; i < 2; ++i) {
 267                 reg = STAC946X_MIC_L_VOLUME + i;
 268                 nvol = ucontrol->value.integer.value[i] & 0x0f;
 269                 ovol = 0x0f - stac9460_get(ice, reg);
 270                 change = ((ovol & 0x0f)  != nvol);
 271                 if (change)
 272                         stac9460_put(ice, reg, (0x0f - nvol) | (ovol & ~0x0f));
 273         }
 274
 275         return change;
 276 }
 277
 278 static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol,
 279                                 struct snd_ctl_elem_info *uinfo)
 280 {
 281         static char *texts[2] = { "Line In", "Mic" };
 282
 283         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 284         uinfo->count = 1;
 285         uinfo->value.enumerated.items = 2;
 286
 287         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 288                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 289         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 290
 291         return 0;
 292 }
 293
 294
 295 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
 296                         struct snd_ctl_elem_value *ucontrol)
 297 {
 298         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 299         unsigned char val;
 300
 301         val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
 302         ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1;
 303         return 0;
 304 }
 305
 306 static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
 307                         struct snd_ctl_elem_value *ucontrol)
 308 {
 309         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 310         unsigned char new, old;
 311         int change;
 312         old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
 313         new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80);
 314         change = (new != old);
 315         if (change)
 316                 stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
 317         return change;
 318 }
 319 /*
 320  * Handler for setting correct codec rate - called when rate change is detected
 321  */
 322 static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
 323 {
 324         unsigned char old, new;
 325         int idx;
 326         unsigned char changed[7];
 327         struct prodigy192_spec *spec = ice->spec;
 328
 329         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 330                 return;
 331         else if (rate <= 48000)
 332                 new = 0x08;     /* 256x, base rate mode */
 333         else if (rate <= 96000)
 334                 new = 0x11;     /* 256x, mid rate mode */
 335         else
 336                 new = 0x12;     /* 128x, high rate mode */
 337         old = stac9460_get(ice, STAC946X_MASTER_CLOCKING);
 338         if (old == new)
 339                 return;
 340         /* change detected, setting master clock, muting first */
 341         /* due to possible conflicts with mute controls - mutexing */
 342         mutex_lock(&spec->mute_mutex);
 343         /* we have to remember current mute status for each DAC */
 344         for (idx = 0; idx < 7 ; ++idx)
 345                 changed[idx] = stac9460_dac_mute(ice,
 346                                 STAC946X_MASTER_VOLUME + idx, 0);
 347         /*printk("Rate change: %d, new MC: 0x%02x\n", rate, new);*/
 348         stac9460_put(ice, STAC946X_MASTER_CLOCKING, new);
 349         udelay(10);
 350         /* unmuting - only originally unmuted dacs -
 351          * i.e. those changed when muting */
 352         for (idx = 0; idx < 7 ; ++idx) {
 353                 if (changed[idx])
 354                         stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1);
 355         }
 356         mutex_unlock(&spec->mute_mutex);
 357 }
 358
 359
 360 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
 361 static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
 362
 363 /*
 364  * mixers
 365  */
 366
 367 static struct snd_kcontrol_new stac_controls[] __devinitdata = {
 368         {
 369                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 370                 .name = "Master Playback Switch",
 371                 .info = stac9460_dac_mute_info,
 372                 .get = stac9460_dac_mute_get,
 373                 .put = stac9460_dac_mute_put,
 374                 .private_value = 1,
 375                 .tlv = { .p = db_scale_dac }
 376         },
 377         {
 378                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 379                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 380                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 381                 .name = "Master Playback Volume",
 382                 .info = stac9460_dac_vol_info,
 383                 .get = stac9460_dac_vol_get,
 384                 .put = stac9460_dac_vol_put,
 385                 .private_value = 1,
 386                 .tlv = { .p = db_scale_dac }
 387         },
 388         {
 389                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 390                 .name = "DAC Switch",
 391                 .count = 6,
 392                 .info = stac9460_dac_mute_info,
 393                 .get = stac9460_dac_mute_get,
 394                 .put = stac9460_dac_mute_put,
 395         },
 396         {
 397                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 398                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 399                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 400                 .name = "DAC Volume",
 401                 .count = 6,
 402                 .info = stac9460_dac_vol_info,
 403                 .get = stac9460_dac_vol_get,
 404                 .put = stac9460_dac_vol_put,
 405                 .tlv = { .p = db_scale_dac }
 406         },
 407         {
 408                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 409                 .name = "ADC Capture Switch",
 410                 .count = 1,
 411                 .info = stac9460_adc_mute_info,
 412                 .get = stac9460_adc_mute_get,
 413                 .put = stac9460_adc_mute_put,
 414
 415         },
 416         {
 417                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 418                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 419                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 420                 .name = "ADC Capture Volume",
 421                 .count = 1,
 422                 .info = stac9460_adc_vol_info,
 423                 .get = stac9460_adc_vol_get,
 424                 .put = stac9460_adc_vol_put,
 425                 .tlv = { .p = db_scale_adc }
 426         },
 427         {
 428                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 429                 .name = "Analog Capture Input",
 430                 .info = stac9460_mic_sw_info,
 431                 .get = stac9460_mic_sw_get,
 432                 .put = stac9460_mic_sw_put,
 433
 434         },
 435 };
 436
 437 /* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */
 438 /* CDTO (pin 32) -- GPIO11 pin 86
 439  * CDTI (pin 33) -- GPIO10 pin 77
 440  * CCLK (pin 34) -- GPIO9 pin 76
 441  * CSN  (pin 35) -- GPIO8 pin 75
 442  */
 443 #define AK4114_ADDR     0x00 /* C1-C0: Chip Address
 444                               * (According to datasheet fixed to “00”)
 445                               */
 446
 447 /*
 448  * 4wire ak4114 protocol - writing data
 449  */
 450 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
 451                        unsigned int data, int idx)
 452 {
 453         for (; idx >= 0; idx--) {
 454                 /* drop clock */
 455                 gpio &= ~VT1724_PRODIGY192_CCLK;
 456                 snd_ice1712_gpio_write(ice, gpio);
 457                 udelay(1);
 458                 /* set data */
 459                 if (data & (1 << idx))
 460                         gpio |= VT1724_PRODIGY192_CDOUT;
 461                 else
 462                         gpio &= ~VT1724_PRODIGY192_CDOUT;
 463                 snd_ice1712_gpio_write(ice, gpio);
 464                 udelay(1);
 465                 /* raise clock */
 466                 gpio |= VT1724_PRODIGY192_CCLK;
 467                 snd_ice1712_gpio_write(ice, gpio);
 468                 udelay(1);
 469         }
 470 }
 471
 472 /*
 473  * 4wire ak4114 protocol - reading data
 474  */
 475 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
 476                                int idx)
 477 {
 478         unsigned char data = 0;
 479
 480         for (; idx >= 0; idx--) {
 481                 /* drop clock */
 482                 gpio &= ~VT1724_PRODIGY192_CCLK;
 483                 snd_ice1712_gpio_write(ice, gpio);
 484                 udelay(1);
 485                 /* read data */
 486                 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN)
 487                         data |= (1 << idx);
 488                 udelay(1);
 489                 /* raise clock */
 490                 gpio |= VT1724_PRODIGY192_CCLK;
 491                 snd_ice1712_gpio_write(ice, gpio);
 492                 udelay(1);
 493         }
 494         return data;
 495 }
 496 /*
 497  * 4wire ak4114 protocol - starting sequence
 498  */
 499 static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice)
 500 {
 501         unsigned int tmp;
 502
 503         snd_ice1712_save_gpio_status(ice);
 504         tmp = snd_ice1712_gpio_read(ice);
 505
 506         tmp |= VT1724_PRODIGY192_CCLK; /* high at init */
 507         tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */
 508         snd_ice1712_gpio_write(ice, tmp);
 509         udelay(1);
 510         return tmp;
 511 }
 512
 513 /*
 514  * 4wire ak4114 protocol - final sequence
 515  */
 516 static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
 517 {
 518         tmp |= VT1724_PRODIGY192_CS; /* raise chip select */
 519         snd_ice1712_gpio_write(ice, tmp);
 520         udelay(1);
 521         snd_ice1712_restore_gpio_status(ice);
 522 }
 523
 524 /*
 525  * Write data to addr register of ak4114
 526  */
 527 static void prodigy192_ak4114_write(void *private_data, unsigned char addr,
 528                                unsigned char data)
 529 {
 530         struct snd_ice1712 *ice = private_data;
 531         unsigned int tmp, addrdata;
 532         tmp = prodigy192_4wire_start(ice);
 533         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
 534         addrdata = (addrdata << 8) | data;
 535         write_data(ice, tmp, addrdata, 15);
 536         prodigy192_4wire_finish(ice, tmp);
 537 }
 538
 539 /*
 540  * Read data from addr register of ak4114
 541  */
 542 static unsigned char prodigy192_ak4114_read(void *private_data,
 543                                             unsigned char addr)
 544 {
 545         struct snd_ice1712 *ice = private_data;
 546         unsigned int tmp;
 547         unsigned char data;
 548
 549         tmp = prodigy192_4wire_start(ice);
 550         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
 551         data = read_data(ice, tmp, 7);
 552         prodigy192_4wire_finish(ice, tmp);
 553         return data;
 554 }
 555
 556
 557 static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol,
 558                                 struct snd_ctl_elem_info *uinfo)
 559 {
 560         static char *texts[2] = { "Toslink", "Coax" };
 561
 562         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 563         uinfo->count = 1;
 564         uinfo->value.enumerated.items = 2;
 565         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 566                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 567         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 568         return 0;
 569 }
 570
 571
 572 static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol,
 573                         struct snd_ctl_elem_value *ucontrol)
 574 {
 575         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 576         unsigned char val;
 577
 578         val = prodigy192_ak4114_read(ice, AK4114_REG_IO1);
 579         /* AK4114_IPS0 bit = 0 -> RX0 = Toslink
 580          * AK4114_IPS0 bit = 1 -> RX1 = Coax
 581          */
 582         ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0;
 583         return 0;
 584 }
 585
 586 static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol,
 587                         struct snd_ctl_elem_value *ucontrol)
 588 {
 589         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 590         unsigned char new, old, itemvalue;
 591         int change;
 592
 593         old = prodigy192_ak4114_read(ice, AK4114_REG_IO1);
 594         /* AK4114_IPS0 could be any bit */
 595         itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00;
 596
 597         new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0);
 598         change = (new != old);
 599         if (change)
 600                 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new);
 601         return change;
 602 }
 603
 604
 605 static struct snd_kcontrol_new ak4114_controls[] __devinitdata = {
 606         {
 607                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 608                 .name = "MIODIO IEC958 Capture Input",
 609                 .info = ak4114_input_sw_info,
 610                 .get = ak4114_input_sw_get,
 611                 .put = ak4114_input_sw_put,
 612
 613         }
 614 };
 615
 616
 617 static int prodigy192_ak4114_init(struct snd_ice1712 *ice)
 618 {
 619         static const unsigned char ak4114_init_vals[] = {
 620                 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
 621                 /* ice1724 expects I2S and provides clock,
 622                  * DEM0 disables the deemphasis filter
 623                  */
 624                 AK4114_DIF_I24I2S | AK4114_DEM0 ,
 625                 AK4114_TX1E,
 626                 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */
 627                 0,
 628                 0
 629         };
 630         static const unsigned char ak4114_init_txcsb[] = {
 631                 0x41, 0x02, 0x2c, 0x00, 0x00
 632         };
 633         struct prodigy192_spec *spec = ice->spec;
 634         int err;
 635
 636         err = snd_ak4114_create(ice->card,
 637                                  prodigy192_ak4114_read,
 638                                  prodigy192_ak4114_write,
 639                                  ak4114_init_vals, ak4114_init_txcsb,
 640                                  ice, &spec->ak4114);
 641         if (err < 0)
 642                 return err;
 643         /* AK4114 in Prodigy192 cannot detect external rate correctly.
 644          * No reason to stop capture stream due to incorrect checks */
 645         spec->ak4114->check_flags = AK4114_CHECK_NO_RATE;
 646         return 0;
 647 }
 648
 649 static void stac9460_proc_regs_read(struct snd_info_entry *entry,
 650                 struct snd_info_buffer *buffer)
 651 {
 652         struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
 653         int reg, val;
 654         /* registers 0x0 - 0x14 */
 655         for (reg = 0; reg <= 0x15; reg++) {
 656                 val = stac9460_get(ice, reg);
 657                 snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val);
 658         }
 659 }
 660
 661
 662 static void stac9460_proc_init(struct snd_ice1712 *ice)
 663 {
 664         struct snd_info_entry *entry;
 665         if (!snd_card_proc_new(ice->card, "stac9460_codec", &entry))
 666                 snd_info_set_text_ops(entry, ice, stac9460_proc_regs_read);
 667 }
 668
 669
 670 static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice)
 671 {
 672         struct prodigy192_spec *spec = ice->spec;
 673         unsigned int i;
 674         int err;
 675
 676         for (i = 0; i < ARRAY_SIZE(stac_controls); i++) {
 677                 err = snd_ctl_add(ice->card,
 678                                   snd_ctl_new1(&stac_controls[i], ice));
 679                 if (err < 0)
 680                         return err;
 681         }
 682         if (spec->ak4114) {
 683                 /* ak4114 is connected */
 684                 for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) {
 685                         err = snd_ctl_add(ice->card,
 686                                           snd_ctl_new1(&ak4114_controls[i],
 687                                                        ice));
 688                         if (err < 0)
 689                                 return err;
 690                 }
 691                 err = snd_ak4114_build(spec->ak4114,
 692                                 NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */
 693                                 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 694                 if (err < 0)
 695                         return err;
 696         }
 697         stac9460_proc_init(ice);
 698         return 0;
 699 }
 700
 701 /*
 702  * check for presence of MI/ODI/O add-on card with digital inputs
 703  */
 704 static int prodigy192_miodio_exists(struct snd_ice1712 *ice)
 705 {
 706
 707         unsigned char orig_value;
 708         const unsigned char test_data = 0xd1;   /* random value */
 709         unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */
 710         int exists = 0;
 711
 712         orig_value = prodigy192_ak4114_read(ice, addr);
 713         prodigy192_ak4114_write(ice, addr, test_data);
 714         if (prodigy192_ak4114_read(ice, addr) == test_data) {
 715                 /* ak4114 seems to communicate, apparently exists */
 716                 /* writing back original value */
 717                 prodigy192_ak4114_write(ice, addr, orig_value);
 718                 exists = 1;
 719         }
 720         return exists;
 721 }
 722
 723 /*
 724  * initialize the chip
 725  */
 726 static int __devinit prodigy192_init(struct snd_ice1712 *ice)
 727 {
 728         static const unsigned short stac_inits_prodigy[] = {
 729                 STAC946X_RESET, 0,
 730                 STAC946X_MASTER_CLOCKING, 0x11,
 731 /*              STAC946X_MASTER_VOLUME, 0,
 732                 STAC946X_LF_VOLUME, 0,
 733                 STAC946X_RF_VOLUME, 0,
 734                 STAC946X_LR_VOLUME, 0,
 735                 STAC946X_RR_VOLUME, 0,
 736                 STAC946X_CENTER_VOLUME, 0,
 737                 STAC946X_LFE_VOLUME, 0,*/
 738                 (unsigned short)-1
 739         };
 740         const unsigned short *p;
 741         int err = 0;
 742         struct prodigy192_spec *spec;
 743
 744         /* prodigy 192 */
 745         ice->num_total_dacs = 6;
 746         ice->num_total_adcs = 2;
 747         ice->vt1720 = 0;  /* ice1724, e.g. 23 GPIOs */
 748
 749         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 750         if (!spec)
 751                 return -ENOMEM;
 752         ice->spec = spec;
 753         mutex_init(&spec->mute_mutex);
 754
 755         /* initialize codec */
 756         p = stac_inits_prodigy;
 757         for (; *p != (unsigned short)-1; p += 2)
 758                 stac9460_put(ice, p[0], p[1]);
 759         ice->gpio.set_pro_rate = stac9460_set_rate_val;
 760
 761         /* MI/ODI/O add on card with AK4114 */
 762         if (prodigy192_miodio_exists(ice)) {
 763                 err = prodigy192_ak4114_init(ice);
 764                 /* from this moment if err = 0 then
 765                  * spec->ak4114 should not be null
 766                  */
 767                 snd_printdd("AK4114 initialized with status %d\n", err);
 768         } else
 769                 snd_printdd("AK4114 not found\n");
 770         if (err < 0)
 771                 return err;
 772
 773         return 0;
 774 }
 775
 776
 777 /*
 778  * Aureon boards don't provide the EEPROM data except for the vendor IDs.
 779  * hence the driver needs to sets up it properly.
 780  */
 781
 782 static unsigned char prodigy71_eeprom[] __devinitdata = {
 783         [ICE_EEP2_SYSCONF]     = 0x6a,  /* 49MHz crystal, mpu401,
 784                                          * spdif-in+ 1 stereo ADC,
 785                                          * 3 stereo DACs
 786                                          */
 787         [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
 788         [ICE_EEP2_I2S]         = 0xf8,  /* vol, 96k, 24bit, 192k */
 789         [ICE_EEP2_SPDIF]       = 0xc3,  /* out-en, out-int, spdif-in */
 790         [ICE_EEP2_GPIO_DIR]    = 0xff,
 791         [ICE_EEP2_GPIO_DIR1]   = ~(VT1724_PRODIGY192_CDIN >> 8) ,
 792         [ICE_EEP2_GPIO_DIR2]   = 0xbf,
 793         [ICE_EEP2_GPIO_MASK]   = 0x00,
 794         [ICE_EEP2_GPIO_MASK1]  = 0x00,
 795         [ICE_EEP2_GPIO_MASK2]  = 0x00,
 796         [ICE_EEP2_GPIO_STATE]  = 0x00,
 797         [ICE_EEP2_GPIO_STATE1] = 0x00,
 798         [ICE_EEP2_GPIO_STATE2] = 0x10,  /* GPIO20: 0 = CD drive dig. input
 799                                          * passthrough,
 800                                          * 1 = SPDIF-OUT from ice1724
 801                                          */
 802 };
 803
 804
 805 /* entry point */
 806 struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = {
 807         {
 808                 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE,
 809                 .name = "Audiotrak Prodigy 192",
 810                 .model = "prodigy192",
 811                 .chip_init = prodigy192_init,
 812                 .build_controls = prodigy192_add_controls,
 813                 .eeprom_size = sizeof(prodigy71_eeprom),
 814                 .eeprom_data = prodigy71_eeprom,
 815         },
 816         { } /* terminator */
 817 };