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_akm4xxx *ak, unsigned int rate)
 323 {
 324         unsigned char old, new;
 325         int idx;
 326         unsigned char changed[7];
 327         struct snd_ice1712 *ice = ak->private_data[0];
 328         struct prodigy192_spec *spec = ice->spec;
 329
 330         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 331                 return;
 332         else if (rate <= 48000)
 333                 new = 0x08;     /* 256x, base rate mode */
 334         else if (rate <= 96000)
 335                 new = 0x11;     /* 256x, mid rate mode */
 336         else
 337                 new = 0x12;     /* 128x, high rate mode */
 338         old = stac9460_get(ice, STAC946X_MASTER_CLOCKING);
 339         if (old == new)
 340                 return;
 341         /* change detected, setting master clock, muting first */
 342         /* due to possible conflicts with mute controls - mutexing */
 343         mutex_lock(&spec->mute_mutex);
 344         /* we have to remember current mute status for each DAC */
 345         for (idx = 0; idx < 7 ; ++idx)
 346                 changed[idx] = stac9460_dac_mute(ice,
 347                                 STAC946X_MASTER_VOLUME + idx, 0);
 348         /*printk("Rate change: %d, new MC: 0x%02x\n", rate, new);*/
 349         stac9460_put(ice, STAC946X_MASTER_CLOCKING, new);
 350         udelay(10);
 351         /* unmuting - only originally unmuted dacs -
 352          * i.e. those changed when muting */
 353         for (idx = 0; idx < 7 ; ++idx) {
 354                 if (changed[idx])
 355                         stac9460_dac_mute(ice, STAC946X_MASTER_VOLUME + idx, 1);
 356         }
 357         mutex_unlock(&spec->mute_mutex);
 358 }
 359
 360 /* using akm infrastructure for setting rate of the codec */
 361 static struct snd_akm4xxx akmlike_stac9460 __devinitdata = {
 362         .type = NON_AKM,        /* special value */
 363         .num_adcs = 6,          /* not used in any way, just for completeness */
 364         .num_dacs = 2,
 365         .ops = {
 366                 .set_rate_val = stac9460_set_rate_val
 367         }
 368 };
 369
 370
 371 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
 372 static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
 373
 374 /*
 375  * mixers
 376  */
 377
 378 static struct snd_kcontrol_new stac_controls[] __devinitdata = {
 379         {
 380                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 381                 .name = "Master Playback Switch",
 382                 .info = stac9460_dac_mute_info,
 383                 .get = stac9460_dac_mute_get,
 384                 .put = stac9460_dac_mute_put,
 385                 .private_value = 1,
 386                 .tlv = { .p = db_scale_dac }
 387         },
 388         {
 389                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 390                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 391                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 392                 .name = "Master Playback Volume",
 393                 .info = stac9460_dac_vol_info,
 394                 .get = stac9460_dac_vol_get,
 395                 .put = stac9460_dac_vol_put,
 396                 .private_value = 1,
 397                 .tlv = { .p = db_scale_dac }
 398         },
 399         {
 400                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 401                 .name = "DAC Switch",
 402                 .count = 6,
 403                 .info = stac9460_dac_mute_info,
 404                 .get = stac9460_dac_mute_get,
 405                 .put = stac9460_dac_mute_put,
 406         },
 407         {
 408                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 409                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 410                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 411                 .name = "DAC Volume",
 412                 .count = 6,
 413                 .info = stac9460_dac_vol_info,
 414                 .get = stac9460_dac_vol_get,
 415                 .put = stac9460_dac_vol_put,
 416                 .tlv = { .p = db_scale_dac }
 417         },
 418         {
 419                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 420                 .name = "ADC Capture Switch",
 421                 .count = 1,
 422                 .info = stac9460_adc_mute_info,
 423                 .get = stac9460_adc_mute_get,
 424                 .put = stac9460_adc_mute_put,
 425
 426         },
 427         {
 428                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 429                 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 430                            SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 431                 .name = "ADC Capture Volume",
 432                 .count = 1,
 433                 .info = stac9460_adc_vol_info,
 434                 .get = stac9460_adc_vol_get,
 435                 .put = stac9460_adc_vol_put,
 436                 .tlv = { .p = db_scale_adc }
 437         },
 438         {
 439                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 440                 .name = "Analog Capture Input",
 441                 .info = stac9460_mic_sw_info,
 442                 .get = stac9460_mic_sw_get,
 443                 .put = stac9460_mic_sw_put,
 444
 445         },
 446 };
 447
 448 /* AK4114 - ICE1724 connections on Prodigy192 + MI/ODI/O */
 449 /* CDTO (pin 32) -- GPIO11 pin 86
 450  * CDTI (pin 33) -- GPIO10 pin 77
 451  * CCLK (pin 34) -- GPIO9 pin 76
 452  * CSN  (pin 35) -- GPIO8 pin 75
 453  */
 454 #define AK4114_ADDR     0x00 /* C1-C0: Chip Address
 455                               * (According to datasheet fixed to “00”)
 456                               */
 457
 458 /*
 459  * 4wire ak4114 protocol - writing data
 460  */
 461 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
 462                        unsigned int data, int idx)
 463 {
 464         for (; idx >= 0; idx--) {
 465                 /* drop clock */
 466                 gpio &= ~VT1724_PRODIGY192_CCLK;
 467                 snd_ice1712_gpio_write(ice, gpio);
 468                 udelay(1);
 469                 /* set data */
 470                 if (data & (1 << idx))
 471                         gpio |= VT1724_PRODIGY192_CDOUT;
 472                 else
 473                         gpio &= ~VT1724_PRODIGY192_CDOUT;
 474                 snd_ice1712_gpio_write(ice, gpio);
 475                 udelay(1);
 476                 /* raise clock */
 477                 gpio |= VT1724_PRODIGY192_CCLK;
 478                 snd_ice1712_gpio_write(ice, gpio);
 479                 udelay(1);
 480         }
 481 }
 482
 483 /*
 484  * 4wire ak4114 protocol - reading data
 485  */
 486 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
 487                                int idx)
 488 {
 489         unsigned char data = 0;
 490
 491         for (; idx >= 0; idx--) {
 492                 /* drop clock */
 493                 gpio &= ~VT1724_PRODIGY192_CCLK;
 494                 snd_ice1712_gpio_write(ice, gpio);
 495                 udelay(1);
 496                 /* read data */
 497                 if (snd_ice1712_gpio_read(ice) & VT1724_PRODIGY192_CDIN)
 498                         data |= (1 << idx);
 499                 udelay(1);
 500                 /* raise clock */
 501                 gpio |= VT1724_PRODIGY192_CCLK;
 502                 snd_ice1712_gpio_write(ice, gpio);
 503                 udelay(1);
 504         }
 505         return data;
 506 }
 507 /*
 508  * 4wire ak4114 protocol - starting sequence
 509  */
 510 static unsigned int prodigy192_4wire_start(struct snd_ice1712 *ice)
 511 {
 512         unsigned int tmp;
 513
 514         snd_ice1712_save_gpio_status(ice);
 515         tmp = snd_ice1712_gpio_read(ice);
 516
 517         tmp |= VT1724_PRODIGY192_CCLK; /* high at init */
 518         tmp &= ~VT1724_PRODIGY192_CS; /* drop chip select */
 519         snd_ice1712_gpio_write(ice, tmp);
 520         udelay(1);
 521         return tmp;
 522 }
 523
 524 /*
 525  * 4wire ak4114 protocol - final sequence
 526  */
 527 static void prodigy192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
 528 {
 529         tmp |= VT1724_PRODIGY192_CS; /* raise chip select */
 530         snd_ice1712_gpio_write(ice, tmp);
 531         udelay(1);
 532         snd_ice1712_restore_gpio_status(ice);
 533 }
 534
 535 /*
 536  * Write data to addr register of ak4114
 537  */
 538 static void prodigy192_ak4114_write(void *private_data, unsigned char addr,
 539                                unsigned char data)
 540 {
 541         struct snd_ice1712 *ice = private_data;
 542         unsigned int tmp, addrdata;
 543         tmp = prodigy192_4wire_start(ice);
 544         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
 545         addrdata = (addrdata << 8) | data;
 546         write_data(ice, tmp, addrdata, 15);
 547         prodigy192_4wire_finish(ice, tmp);
 548 }
 549
 550 /*
 551  * Read data from addr register of ak4114
 552  */
 553 static unsigned char prodigy192_ak4114_read(void *private_data,
 554                                             unsigned char addr)
 555 {
 556         struct snd_ice1712 *ice = private_data;
 557         unsigned int tmp;
 558         unsigned char data;
 559
 560         tmp = prodigy192_4wire_start(ice);
 561         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
 562         data = read_data(ice, tmp, 7);
 563         prodigy192_4wire_finish(ice, tmp);
 564         return data;
 565 }
 566
 567
 568 static int ak4114_input_sw_info(struct snd_kcontrol *kcontrol,
 569                                 struct snd_ctl_elem_info *uinfo)
 570 {
 571         static char *texts[2] = { "Toslink", "Coax" };
 572
 573         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 574         uinfo->count = 1;
 575         uinfo->value.enumerated.items = 2;
 576         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 577                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
 578         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 579         return 0;
 580 }
 581
 582
 583 static int ak4114_input_sw_get(struct snd_kcontrol *kcontrol,
 584                         struct snd_ctl_elem_value *ucontrol)
 585 {
 586         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 587         unsigned char val;
 588
 589         val = prodigy192_ak4114_read(ice, AK4114_REG_IO1);
 590         /* AK4114_IPS0 bit = 0 -> RX0 = Toslink
 591          * AK4114_IPS0 bit = 1 -> RX1 = Coax
 592          */
 593         ucontrol->value.enumerated.item[0] = (val & AK4114_IPS0) ? 1 : 0;
 594         return 0;
 595 }
 596
 597 static int ak4114_input_sw_put(struct snd_kcontrol *kcontrol,
 598                         struct snd_ctl_elem_value *ucontrol)
 599 {
 600         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 601         unsigned char new, old, itemvalue;
 602         int change;
 603
 604         old = prodigy192_ak4114_read(ice, AK4114_REG_IO1);
 605         /* AK4114_IPS0 could be any bit */
 606         itemvalue = (ucontrol->value.enumerated.item[0]) ? 0xff : 0x00;
 607
 608         new = (itemvalue & AK4114_IPS0) | (old & ~AK4114_IPS0);
 609         change = (new != old);
 610         if (change)
 611                 prodigy192_ak4114_write(ice, AK4114_REG_IO1, new);
 612         return change;
 613 }
 614
 615
 616 static struct snd_kcontrol_new ak4114_controls[] __devinitdata = {
 617         {
 618                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 619                 .name = "MIODIO IEC958 Capture Input",
 620                 .info = ak4114_input_sw_info,
 621                 .get = ak4114_input_sw_get,
 622                 .put = ak4114_input_sw_put,
 623
 624         }
 625 };
 626
 627
 628 static int prodigy192_ak4114_init(struct snd_ice1712 *ice)
 629 {
 630         static const unsigned char ak4114_init_vals[] = {
 631                 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
 632                 /* ice1724 expects I2S and provides clock,
 633                  * DEM0 disables the deemphasis filter
 634                  */
 635                 AK4114_DIF_I24I2S | AK4114_DEM0 ,
 636                 AK4114_TX1E,
 637                 AK4114_EFH_1024 | AK4114_DIT, /* default input RX0 */
 638                 0,
 639                 0
 640         };
 641         static const unsigned char ak4114_init_txcsb[] = {
 642                 0x41, 0x02, 0x2c, 0x00, 0x00
 643         };
 644         struct prodigy192_spec *spec = ice->spec;
 645
 646         return snd_ak4114_create(ice->card,
 647                                  prodigy192_ak4114_read,
 648                                  prodigy192_ak4114_write,
 649                                  ak4114_init_vals, ak4114_init_txcsb,
 650                                  ice, &spec->ak4114);
 651 }
 652
 653 static void stac9460_proc_regs_read(struct snd_info_entry *entry,
 654                 struct snd_info_buffer *buffer)
 655 {
 656         struct snd_ice1712 *ice = (struct snd_ice1712 *)entry->private_data;
 657         int reg, val;
 658         /* registers 0x0 - 0x14 */
 659         for (reg = 0; reg <= 0x15; reg++) {
 660                 val = stac9460_get(ice, reg);
 661                 snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val);
 662         }
 663 }
 664
 665
 666 static void stac9460_proc_init(struct snd_ice1712 *ice)
 667 {
 668         struct snd_info_entry *entry;
 669         if (!snd_card_proc_new(ice->card, "stac9460_codec", &entry))
 670                 snd_info_set_text_ops(entry, ice, stac9460_proc_regs_read);
 671 }
 672
 673
 674 static int __devinit prodigy192_add_controls(struct snd_ice1712 *ice)
 675 {
 676         struct prodigy192_spec *spec = ice->spec;
 677         unsigned int i;
 678         int err;
 679
 680         for (i = 0; i < ARRAY_SIZE(stac_controls); i++) {
 681                 err = snd_ctl_add(ice->card,
 682                                   snd_ctl_new1(&stac_controls[i], ice));
 683                 if (err < 0)
 684                         return err;
 685         }
 686         if (spec->ak4114) {
 687                 /* ak4114 is connected */
 688                 for (i = 0; i < ARRAY_SIZE(ak4114_controls); i++) {
 689                         err = snd_ctl_add(ice->card,
 690                                           snd_ctl_new1(&ak4114_controls[i],
 691                                                        ice));
 692                         if (err < 0)
 693                                 return err;
 694                 }
 695                 err = snd_ak4114_build(spec->ak4114,
 696                                 NULL, /* ak4114 in MIO/DI/O handles no IEC958 output */
 697                                 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 698                 if (err < 0)
 699                         return err;
 700         }
 701         stac9460_proc_init(ice);
 702         return 0;
 703 }
 704
 705 /*
 706  * check for presence of MI/ODI/O add-on card with digital inputs
 707  */
 708 static int prodigy192_miodio_exists(struct snd_ice1712 *ice)
 709 {
 710
 711         unsigned char orig_value;
 712         const unsigned char test_data = 0xd1;   /* random value */
 713         unsigned char addr = AK4114_REG_INT0_MASK; /* random SAFE address */
 714         int exists = 0;
 715
 716         orig_value = prodigy192_ak4114_read(ice, addr);
 717         prodigy192_ak4114_write(ice, addr, test_data);
 718         if (prodigy192_ak4114_read(ice, addr) == test_data) {
 719                 /* ak4114 seems to communicate, apparently exists */
 720                 /* writing back original value */
 721                 prodigy192_ak4114_write(ice, addr, orig_value);
 722                 exists = 1;
 723         }
 724         return exists;
 725 }
 726
 727 /*
 728  * initialize the chip
 729  */
 730 static int __devinit prodigy192_init(struct snd_ice1712 *ice)
 731 {
 732         static const unsigned short stac_inits_prodigy[] = {
 733                 STAC946X_RESET, 0,
 734                 STAC946X_MASTER_CLOCKING, 0x11,
 735 /*              STAC946X_MASTER_VOLUME, 0,
 736                 STAC946X_LF_VOLUME, 0,
 737                 STAC946X_RF_VOLUME, 0,
 738                 STAC946X_LR_VOLUME, 0,
 739                 STAC946X_RR_VOLUME, 0,
 740                 STAC946X_CENTER_VOLUME, 0,
 741                 STAC946X_LFE_VOLUME, 0,*/
 742                 (unsigned short)-1
 743         };
 744         const unsigned short *p;
 745         int err = 0;
 746         struct snd_akm4xxx *ak;
 747         struct prodigy192_spec *spec;
 748
 749         /* prodigy 192 */
 750         ice->num_total_dacs = 6;
 751         ice->num_total_adcs = 2;
 752         ice->vt1720 = 0;  /* ice1724, e.g. 23 GPIOs */
 753
 754         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 755         if (!spec)
 756                 return -ENOMEM;
 757         ice->spec = spec;
 758         mutex_init(&spec->mute_mutex);
 759
 760         /* initialize codec */
 761         p = stac_inits_prodigy;
 762         for (; *p != (unsigned short)-1; p += 2)
 763                 stac9460_put(ice, p[0], p[1]);
 764         /* reusing the akm codecs infrastructure,
 765          * for setting rate on stac9460 */
 766         ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
 767         if (!ak)
 768                 return -ENOMEM;
 769         ice->akm_codecs = 1;
 770         err = snd_ice1712_akm4xxx_init(ak, &akmlike_stac9460, NULL, ice);
 771         if (err < 0)
 772                 return err;
 773
 774         /* MI/ODI/O add on card with AK4114 */
 775         if (prodigy192_miodio_exists(ice)) {
 776                 err = prodigy192_ak4114_init(ice);
 777                 /* from this moment if err = 0 then
 778                  * spec->ak4114 should not be null
 779                  */
 780                 snd_printdd("AK4114 initialized with status %d\n", err);
 781         } else
 782                 snd_printdd("AK4114 not found\n");
 783         if (err < 0)
 784                 return err;
 785
 786         return 0;
 787 }
 788
 789
 790 /*
 791  * Aureon boards don't provide the EEPROM data except for the vendor IDs.
 792  * hence the driver needs to sets up it properly.
 793  */
 794
 795 static unsigned char prodigy71_eeprom[] __devinitdata = {
 796         [ICE_EEP2_SYSCONF]     = 0x6a,  /* 49MHz crystal, mpu401,
 797                                          * spdif-in+ 1 stereo ADC,
 798                                          * 3 stereo DACs
 799                                          */
 800         [ICE_EEP2_ACLINK]      = 0x80,  /* I2S */
 801         [ICE_EEP2_I2S]         = 0xf8,  /* vol, 96k, 24bit, 192k */
 802         [ICE_EEP2_SPDIF]       = 0xc3,  /* out-en, out-int, spdif-in */
 803         [ICE_EEP2_GPIO_DIR]    = 0xff,
 804         [ICE_EEP2_GPIO_DIR1]   = ~(VT1724_PRODIGY192_CDIN >> 8) ,
 805         [ICE_EEP2_GPIO_DIR2]   = 0xbf,
 806         [ICE_EEP2_GPIO_MASK]   = 0x00,
 807         [ICE_EEP2_GPIO_MASK1]  = 0x00,
 808         [ICE_EEP2_GPIO_MASK2]  = 0x00,
 809         [ICE_EEP2_GPIO_STATE]  = 0x00,
 810         [ICE_EEP2_GPIO_STATE1] = 0x00,
 811         [ICE_EEP2_GPIO_STATE2] = 0x10,  /* GPIO20: 0 = CD drive dig. input
 812                                          * passthrough,
 813                                          * 1 = SPDIF-OUT from ice1724
 814                                          */
 815 };
 816
 817
 818 /* entry point */
 819 struct snd_ice1712_card_info snd_vt1724_prodigy192_cards[] __devinitdata = {
 820         {
 821                 .subvendor = VT1724_SUBDEVICE_PRODIGY192VE,
 822                 .name = "Audiotrak Prodigy 192",
 823                 .model = "prodigy192",
 824                 .chip_init = prodigy192_init,
 825                 .build_controls = prodigy192_add_controls,
 826                 .eeprom_size = sizeof(prodigy71_eeprom),
 827                 .eeprom_data = prodigy71_eeprom,
 828                 /* the current MPU401 code loops infinitely
 829                  * when opening midi device
 830                  */
 831                 .no_mpu401 = 1,
 832         },
 833         { } /* terminator */
 834 };