sound/pci/ice1712/delta.c

   1 /*
   2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   3  *
   4  *   Lowlevel functions for M-Audio Delta 1010, 44, 66, Dio2496, Audiophile
   5  *                          Digigram VX442
   6  *
   7  *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  *
  23  */
  24
  25 #include <asm/io.h>
  26 #include <linux/delay.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/init.h>
  29 #include <linux/slab.h>
  30 #include <linux/mutex.h>
  31
  32 #include <sound/core.h>
  33 #include <sound/cs8427.h>
  34 #include <sound/asoundef.h>
  35
  36 #include "ice1712.h"
  37 #include "delta.h"
  38
  39 #define SND_CS8403
  40 #include <sound/cs8403.h>
  41
  42
  43 /*
  44  * CS8427 via SPI mode (for Audiophile), emulated I2C
  45  */
  46
  47 /* send 8 bits */
  48 static void ap_cs8427_write_byte(struct snd_ice1712 *ice, unsigned char data, unsigned char tmp)
  49 {
  50         int idx;
  51
  52         for (idx = 7; idx >= 0; idx--) {
  53                 tmp &= ~(ICE1712_DELTA_AP_DOUT|ICE1712_DELTA_AP_CCLK);
  54                 if (data & (1 << idx))
  55                         tmp |= ICE1712_DELTA_AP_DOUT;
  56                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  57                 udelay(5);
  58                 tmp |= ICE1712_DELTA_AP_CCLK;
  59                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  60                 udelay(5);
  61         }
  62 }
  63
  64 /* read 8 bits */
  65 static unsigned char ap_cs8427_read_byte(struct snd_ice1712 *ice, unsigned char tmp)
  66 {
  67         unsigned char data = 0;
  68         int idx;
  69
  70         for (idx = 7; idx >= 0; idx--) {
  71                 tmp &= ~ICE1712_DELTA_AP_CCLK;
  72                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  73                 udelay(5);
  74                 if (snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_DELTA_AP_DIN)
  75                         data |= 1 << idx;
  76                 tmp |= ICE1712_DELTA_AP_CCLK;
  77                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  78                 udelay(5);
  79         }
  80         return data;
  81 }
  82
  83 /* assert chip select */
  84 static unsigned char ap_cs8427_codec_select(struct snd_ice1712 *ice)
  85 {
  86         unsigned char tmp;
  87         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
  88         switch (ice->eeprom.subvendor) {
  89         case ICE1712_SUBDEVICE_DELTA1010LT:
  90                 tmp &= ~ICE1712_DELTA_1010LT_CS;
  91                 tmp |= ICE1712_DELTA_1010LT_CCLK | ICE1712_DELTA_1010LT_CS_CS8427;
  92                 break;
  93         case ICE1712_SUBDEVICE_AUDIOPHILE:
  94         case ICE1712_SUBDEVICE_DELTA410:
  95                 tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC;
  96                 tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL;
  97                 break;
  98         case ICE1712_SUBDEVICE_VX442:
  99                 tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;
 100                 tmp &= ~ICE1712_VX442_CS_DIGITAL;
 101                 break;
 102         }
 103         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 104         udelay(5);
 105         return tmp;
 106 }
 107
 108 /* deassert chip select */
 109 static void ap_cs8427_codec_deassert(struct snd_ice1712 *ice, unsigned char tmp)
 110 {
 111         switch (ice->eeprom.subvendor) {
 112         case ICE1712_SUBDEVICE_DELTA1010LT:
 113                 tmp &= ~ICE1712_DELTA_1010LT_CS;
 114                 tmp |= ICE1712_DELTA_1010LT_CS_NONE;
 115                 break;
 116         case ICE1712_SUBDEVICE_AUDIOPHILE:
 117         case ICE1712_SUBDEVICE_DELTA410:
 118                 tmp |= ICE1712_DELTA_AP_CS_DIGITAL;
 119                 break;
 120         case ICE1712_SUBDEVICE_VX442:
 121                 tmp |= ICE1712_VX442_CS_DIGITAL;
 122                 break;
 123         }
 124         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 125 }
 126
 127 /* sequential write */
 128 static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
 129 {
 130         struct snd_ice1712 *ice = device->bus->private_data;
 131         int res = count;
 132         unsigned char tmp;
 133
 134         mutex_lock(&ice->gpio_mutex);
 135         tmp = ap_cs8427_codec_select(ice);
 136         ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
 137         while (count-- > 0)
 138                 ap_cs8427_write_byte(ice, *bytes++, tmp);
 139         ap_cs8427_codec_deassert(ice, tmp);
 140         mutex_unlock(&ice->gpio_mutex);
 141         return res;
 142 }
 143
 144 /* sequential read */
 145 static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
 146 {
 147         struct snd_ice1712 *ice = device->bus->private_data;
 148         int res = count;
 149         unsigned char tmp;
 150
 151         mutex_lock(&ice->gpio_mutex);
 152         tmp = ap_cs8427_codec_select(ice);
 153         ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
 154         while (count-- > 0)
 155                 *bytes++ = ap_cs8427_read_byte(ice, tmp);
 156         ap_cs8427_codec_deassert(ice, tmp);
 157         mutex_unlock(&ice->gpio_mutex);
 158         return res;
 159 }
 160
 161 static int ap_cs8427_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
 162 {
 163         if (addr == 0x10)
 164                 return 1;
 165         return -ENOENT;
 166 }
 167
 168 static struct snd_i2c_ops ap_cs8427_i2c_ops = {
 169         .sendbytes = ap_cs8427_sendbytes,
 170         .readbytes = ap_cs8427_readbytes,
 171         .probeaddr = ap_cs8427_probeaddr,
 172 };
 173
 174 /*
 175  */
 176
 177 static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
 178 {
 179         unsigned char tmp, mask1, mask2;
 180         int idx;
 181         /* send byte to transmitter */
 182         mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
 183         mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
 184         mutex_lock(&ice->gpio_mutex);
 185         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 186         for (idx = 7; idx >= 0; idx--) {
 187                 tmp &= ~(mask1 | mask2);
 188                 if (bits & (1 << idx))
 189                         tmp |= mask2;
 190                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 191                 udelay(100);
 192                 tmp |= mask1;
 193                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 194                 udelay(100);
 195         }
 196         tmp &= ~mask1;
 197         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 198         mutex_unlock(&ice->gpio_mutex);
 199 }
 200
 201
 202 static void delta_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 203 {
 204         snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
 205 }
 206
 207 static int delta_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 208 {
 209         unsigned int val;
 210         int change;
 211
 212         val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
 213         spin_lock_irq(&ice->reg_lock);
 214         change = ice->spdif.cs8403_bits != val;
 215         ice->spdif.cs8403_bits = val;
 216         if (change && ice->playback_pro_substream == NULL) {
 217                 spin_unlock_irq(&ice->reg_lock);
 218                 snd_ice1712_delta_cs8403_spdif_write(ice, val);
 219         } else {
 220                 spin_unlock_irq(&ice->reg_lock);
 221         }
 222         return change;
 223 }
 224
 225 static void delta_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 226 {
 227         snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
 228 }
 229
 230 static int delta_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 231 {
 232         unsigned int val;
 233         int change;
 234
 235         val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
 236         spin_lock_irq(&ice->reg_lock);
 237         change = ice->spdif.cs8403_stream_bits != val;
 238         ice->spdif.cs8403_stream_bits = val;
 239         if (change && ice->playback_pro_substream != NULL) {
 240                 spin_unlock_irq(&ice->reg_lock);
 241                 snd_ice1712_delta_cs8403_spdif_write(ice, val);
 242         } else {
 243                 spin_unlock_irq(&ice->reg_lock);
 244         }
 245         return change;
 246 }
 247
 248
 249 /*
 250  * AK4524 on Delta 44 and 66 to choose the chip mask
 251  */
 252 static void delta_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 253 {
 254         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 255         struct snd_ice1712 *ice = ak->private_data[0];
 256
 257         snd_ice1712_save_gpio_status(ice);
 258         priv->cs_mask =
 259         priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :
 260                                     ICE1712_DELTA_CODEC_CHIP_B;
 261 }
 262
 263 /*
 264  * AK4524 on Delta1010LT to choose the chip address
 265  */
 266 static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 267 {
 268         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 269         struct snd_ice1712 *ice = ak->private_data[0];
 270
 271         snd_ice1712_save_gpio_status(ice);
 272         priv->cs_mask = ICE1712_DELTA_1010LT_CS;
 273         priv->cs_addr = chip << 4;
 274 }
 275
 276 /*
 277  * AK4528 on VX442 to choose the chip mask
 278  */
 279 static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 280 {
 281         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 282         struct snd_ice1712 *ice = ak->private_data[0];
 283
 284         snd_ice1712_save_gpio_status(ice);
 285         priv->cs_mask =
 286         priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :
 287                                     ICE1712_VX442_CODEC_CHIP_B;
 288 }
 289
 290 /*
 291  * change the DFS bit according rate for Delta1010
 292  */
 293 static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
 294 {
 295         unsigned char tmp, tmp2;
 296
 297         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 298                 return;
 299
 300         mutex_lock(&ice->gpio_mutex);
 301         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 302         tmp2 = tmp & ~ICE1712_DELTA_DFS;
 303         if (rate > 48000)
 304                 tmp2 |= ICE1712_DELTA_DFS;
 305         if (tmp != tmp2)
 306                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
 307         mutex_unlock(&ice->gpio_mutex);
 308 }
 309
 310 /*
 311  * change the rate of AK4524 on Delta 44/66, AP, 1010LT
 312  */
 313 static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 314 {
 315         unsigned char tmp, tmp2;
 316         struct snd_ice1712 *ice = ak->private_data[0];
 317
 318         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 319                 return;
 320
 321         /* check before reset ak4524 to avoid unnecessary clicks */
 322         mutex_lock(&ice->gpio_mutex);
 323         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 324         mutex_unlock(&ice->gpio_mutex);
 325         tmp2 = tmp & ~ICE1712_DELTA_DFS;
 326         if (rate > 48000)
 327                 tmp2 |= ICE1712_DELTA_DFS;
 328         if (tmp == tmp2)
 329                 return;
 330
 331         /* do it again */
 332         snd_akm4xxx_reset(ak, 1);
 333         mutex_lock(&ice->gpio_mutex);
 334         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
 335         if (rate > 48000)
 336                 tmp |= ICE1712_DELTA_DFS;
 337         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 338         mutex_unlock(&ice->gpio_mutex);
 339         snd_akm4xxx_reset(ak, 0);
 340 }
 341
 342 /*
 343  * change the rate of AK4524 on VX442
 344  */
 345 static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 346 {
 347         unsigned char val;
 348
 349         val = (rate > 48000) ? 0x65 : 0x60;
 350         if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
 351             snd_akm4xxx_get(ak, 1, 0x02) != val) {
 352                 snd_akm4xxx_reset(ak, 1);
 353                 snd_akm4xxx_write(ak, 0, 0x02, val);
 354                 snd_akm4xxx_write(ak, 1, 0x02, val);
 355                 snd_akm4xxx_reset(ak, 0);
 356         }
 357 }
 358
 359
 360 /*
 361  * SPDIF ops for Delta 1010, Dio, 66
 362  */
 363
 364 /* open callback */
 365 static void delta_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
 366 {
 367         ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
 368 }
 369
 370 /* set up */
 371 static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
 372 {
 373         unsigned long flags;
 374         unsigned int tmp;
 375         int change;
 376
 377         spin_lock_irqsave(&ice->reg_lock, flags);
 378         tmp = ice->spdif.cs8403_stream_bits;
 379         if (tmp & 0x01)         /* consumer */
 380                 tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;
 381         switch (rate) {
 382         case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;
 383         case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;
 384         case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;
 385         default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;
 386         }
 387         change = ice->spdif.cs8403_stream_bits != tmp;
 388         ice->spdif.cs8403_stream_bits = tmp;
 389         spin_unlock_irqrestore(&ice->reg_lock, flags);
 390         if (change)
 391                 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
 392         snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
 393 }
 394
 395 #define snd_ice1712_delta1010lt_wordclock_status_info \
 396         snd_ctl_boolean_mono_info
 397
 398 static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
 399                          struct snd_ctl_elem_value *ucontrol)
 400 {
 401         char reg = 0x10; // cs8427 receiver error register
 402         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 403
 404         if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
 405                 snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);
 406         snd_i2c_readbytes(ice->cs8427, &reg, 1);
 407         ucontrol->value.integer.value[0] = (reg & CS8427_UNLOCK) ? 1 : 0;
 408         return 0;
 409 }
 410
 411 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =
 412 {
 413         .access =       (SNDRV_CTL_ELEM_ACCESS_READ),
 414         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 415         .name =         "Word Clock Status",
 416         .info =         snd_ice1712_delta1010lt_wordclock_status_info,
 417         .get =          snd_ice1712_delta1010lt_wordclock_status_get,
 418 };
 419
 420 /*
 421  * initialize the chips on M-Audio cards
 422  */
 423
 424 static struct snd_akm4xxx akm_audiophile __devinitdata = {
 425         .type = SND_AK4528,
 426         .num_adcs = 2,
 427         .num_dacs = 2,
 428         .ops = {
 429                 .set_rate_val = delta_ak4524_set_rate_val
 430         }
 431 };
 432
 433 static struct snd_ak4xxx_private akm_audiophile_priv __devinitdata = {
 434         .caddr = 2,
 435         .cif = 0,
 436         .data_mask = ICE1712_DELTA_AP_DOUT,
 437         .clk_mask = ICE1712_DELTA_AP_CCLK,
 438         .cs_mask = ICE1712_DELTA_AP_CS_CODEC,
 439         .cs_addr = ICE1712_DELTA_AP_CS_CODEC,
 440         .cs_none = 0,
 441         .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
 442         .mask_flags = 0,
 443 };
 444
 445 static struct snd_akm4xxx akm_delta410 __devinitdata = {
 446         .type = SND_AK4529,
 447         .num_adcs = 2,
 448         .num_dacs = 8,
 449         .ops = {
 450                 .set_rate_val = delta_ak4524_set_rate_val
 451         }
 452 };
 453
 454 static struct snd_ak4xxx_private akm_delta410_priv __devinitdata = {
 455         .caddr = 0,
 456         .cif = 0,
 457         .data_mask = ICE1712_DELTA_AP_DOUT,
 458         .clk_mask = ICE1712_DELTA_AP_CCLK,
 459         .cs_mask = ICE1712_DELTA_AP_CS_CODEC,
 460         .cs_addr = ICE1712_DELTA_AP_CS_CODEC,
 461         .cs_none = 0,
 462         .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
 463         .mask_flags = 0,
 464 };
 465
 466 static struct snd_akm4xxx akm_delta1010lt __devinitdata = {
 467         .type = SND_AK4524,
 468         .num_adcs = 8,
 469         .num_dacs = 8,
 470         .ops = {
 471                 .lock = delta1010lt_ak4524_lock,
 472                 .set_rate_val = delta_ak4524_set_rate_val
 473         }
 474 };
 475
 476 static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = {
 477         .caddr = 2,
 478         .cif = 0, /* the default level of the CIF pin from AK4524 */
 479         .data_mask = ICE1712_DELTA_1010LT_DOUT,
 480         .clk_mask = ICE1712_DELTA_1010LT_CCLK,
 481         .cs_mask = 0,
 482         .cs_addr = 0, /* set later */
 483         .cs_none = ICE1712_DELTA_1010LT_CS_NONE,
 484         .add_flags = 0,
 485         .mask_flags = 0,
 486 };
 487
 488 static struct snd_akm4xxx akm_delta44 __devinitdata = {
 489         .type = SND_AK4524,
 490         .num_adcs = 4,
 491         .num_dacs = 4,
 492         .ops = {
 493                 .lock = delta_ak4524_lock,
 494                 .set_rate_val = delta_ak4524_set_rate_val
 495         }
 496 };
 497
 498 static struct snd_ak4xxx_private akm_delta44_priv __devinitdata = {
 499         .caddr = 2,
 500         .cif = 0, /* the default level of the CIF pin from AK4524 */
 501         .data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,
 502         .clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,
 503         .cs_mask = 0,
 504         .cs_addr = 0, /* set later */
 505         .cs_none = 0,
 506         .add_flags = 0,
 507         .mask_flags = 0,
 508 };
 509
 510 static struct snd_akm4xxx akm_vx442 __devinitdata = {
 511         .type = SND_AK4524,
 512         .num_adcs = 4,
 513         .num_dacs = 4,
 514         .ops = {
 515                 .lock = vx442_ak4524_lock,
 516                 .set_rate_val = vx442_ak4524_set_rate_val
 517         }
 518 };
 519
 520 static struct snd_ak4xxx_private akm_vx442_priv __devinitdata = {
 521         .caddr = 2,
 522         .cif = 0,
 523         .data_mask = ICE1712_VX442_DOUT,
 524         .clk_mask = ICE1712_VX442_CCLK,
 525         .cs_mask = 0,
 526         .cs_addr = 0, /* set later */
 527         .cs_none = 0,
 528         .add_flags = 0,
 529         .mask_flags = 0,
 530 };
 531
 532 static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)
 533 {
 534         int err;
 535         struct snd_akm4xxx *ak;
 536
 537         /* determine I2C, DACs and ADCs */
 538         switch (ice->eeprom.subvendor) {
 539         case ICE1712_SUBDEVICE_AUDIOPHILE:
 540                 ice->num_total_dacs = 2;
 541                 ice->num_total_adcs = 2;
 542                 break;
 543         case ICE1712_SUBDEVICE_DELTA410:
 544                 ice->num_total_dacs = 8;
 545                 ice->num_total_adcs = 2;
 546                 break;
 547         case ICE1712_SUBDEVICE_DELTA44:
 548         case ICE1712_SUBDEVICE_DELTA66:
 549                 ice->num_total_dacs = ice->omni ? 8 : 4;
 550                 ice->num_total_adcs = ice->omni ? 8 : 4;
 551                 break;
 552         case ICE1712_SUBDEVICE_DELTA1010:
 553         case ICE1712_SUBDEVICE_DELTA1010LT:
 554         case ICE1712_SUBDEVICE_MEDIASTATION:
 555                 ice->num_total_dacs = 8;
 556                 ice->num_total_adcs = 8;
 557                 break;
 558         case ICE1712_SUBDEVICE_DELTADIO2496:
 559                 ice->num_total_dacs = 4;        /* two AK4324 codecs */
 560                 break;
 561         case ICE1712_SUBDEVICE_VX442:
 562                 ice->num_total_dacs = 4;
 563                 ice->num_total_adcs = 4;
 564                 break;
 565         }
 566
 567         /* initialize spdif */
 568         switch (ice->eeprom.subvendor) {
 569         case ICE1712_SUBDEVICE_AUDIOPHILE:
 570         case ICE1712_SUBDEVICE_DELTA410:
 571         case ICE1712_SUBDEVICE_DELTA1010LT:
 572         case ICE1712_SUBDEVICE_VX442:
 573                 if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
 574                         snd_printk(KERN_ERR "unable to create I2C bus\n");
 575                         return err;
 576                 }
 577                 ice->i2c->private_data = ice;
 578                 ice->i2c->ops = &ap_cs8427_i2c_ops;
 579                 if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
 580                         return err;
 581                 break;
 582         case ICE1712_SUBDEVICE_DELTA1010:
 583         case ICE1712_SUBDEVICE_MEDIASTATION:
 584                 ice->gpio.set_pro_rate = delta_1010_set_rate_val;
 585                 break;
 586         case ICE1712_SUBDEVICE_DELTADIO2496:
 587                 ice->gpio.set_pro_rate = delta_1010_set_rate_val;
 588                 /* fall thru */
 589         case ICE1712_SUBDEVICE_DELTA66:
 590                 ice->spdif.ops.open = delta_open_spdif;
 591                 ice->spdif.ops.setup_rate = delta_setup_spdif;
 592                 ice->spdif.ops.default_get = delta_spdif_default_get;
 593                 ice->spdif.ops.default_put = delta_spdif_default_put;
 594                 ice->spdif.ops.stream_get = delta_spdif_stream_get;
 595                 ice->spdif.ops.stream_put = delta_spdif_stream_put;
 596                 /* Set spdif defaults */
 597                 snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
 598                 break;
 599         }
 600
 601         /* no analog? */
 602         switch (ice->eeprom.subvendor) {
 603         case ICE1712_SUBDEVICE_DELTA1010:
 604         case ICE1712_SUBDEVICE_DELTADIO2496:
 605         case ICE1712_SUBDEVICE_MEDIASTATION:
 606                 return 0;
 607         }
 608
 609         /* second stage of initialization, analog parts and others */
 610         ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
 611         if (! ak)
 612                 return -ENOMEM;
 613         ice->akm_codecs = 1;
 614
 615         switch (ice->eeprom.subvendor) {
 616         case ICE1712_SUBDEVICE_AUDIOPHILE:
 617                 err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
 618                 break;
 619         case ICE1712_SUBDEVICE_DELTA410:
 620                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
 621                 break;
 622         case ICE1712_SUBDEVICE_DELTA1010LT:
 623                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
 624                 break;
 625         case ICE1712_SUBDEVICE_DELTA66:
 626         case ICE1712_SUBDEVICE_DELTA44:
 627                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
 628                 break;
 629         case ICE1712_SUBDEVICE_VX442:
 630                 err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
 631                 break;
 632         default:
 633                 snd_BUG();
 634                 return -EINVAL;
 635         }
 636
 637         return err;
 638 }
 639
 640
 641 /*
 642  * additional controls for M-Audio cards
 643  */
 644
 645 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select __devinitdata =
 646 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
 647 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select __devinitdata =
 648 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);
 649 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status __devinitdata =
 650 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Status", 0, ICE1712_DELTA_WORD_CLOCK_STATUS, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
 651 static struct snd_kcontrol_new snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
 652 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
 653 static struct snd_kcontrol_new snd_ice1712_delta_spdif_in_status __devinitdata =
 654 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Delta IEC958 Input Status", 0, ICE1712_DELTA_SPDIF_IN_STAT, 1, SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE);
 655
 656
 657 static int __devinit snd_ice1712_delta_add_controls(struct snd_ice1712 *ice)
 658 {
 659         int err;
 660
 661         /* 1010 and dio specific controls */
 662         switch (ice->eeprom.subvendor) {
 663         case ICE1712_SUBDEVICE_DELTA1010:
 664         case ICE1712_SUBDEVICE_MEDIASTATION:
 665                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
 666                 if (err < 0)
 667                         return err;
 668                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
 669                 if (err < 0)
 670                         return err;
 671                 break;
 672         case ICE1712_SUBDEVICE_DELTADIO2496:
 673                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
 674                 if (err < 0)
 675                         return err;
 676                 break;
 677         case ICE1712_SUBDEVICE_DELTA1010LT:
 678                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
 679                 if (err < 0)
 680                         return err;
 681                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_status, ice));
 682                 if (err < 0)
 683                         return err;
 684                 break;
 685         }
 686
 687         /* normal spdif controls */
 688         switch (ice->eeprom.subvendor) {
 689         case ICE1712_SUBDEVICE_DELTA1010:
 690         case ICE1712_SUBDEVICE_DELTADIO2496:
 691         case ICE1712_SUBDEVICE_DELTA66:
 692         case ICE1712_SUBDEVICE_MEDIASTATION:
 693                 err = snd_ice1712_spdif_build_controls(ice);
 694                 if (err < 0)
 695                         return err;
 696                 break;
 697         }
 698
 699         /* spdif status in */
 700         switch (ice->eeprom.subvendor) {
 701         case ICE1712_SUBDEVICE_DELTA1010:
 702         case ICE1712_SUBDEVICE_DELTADIO2496:
 703         case ICE1712_SUBDEVICE_DELTA66:
 704         case ICE1712_SUBDEVICE_MEDIASTATION:
 705                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
 706                 if (err < 0)
 707                         return err;
 708                 break;
 709         }
 710
 711         /* ak4524 controls */
 712         switch (ice->eeprom.subvendor) {
 713         case ICE1712_SUBDEVICE_DELTA1010LT:
 714         case ICE1712_SUBDEVICE_AUDIOPHILE:
 715         case ICE1712_SUBDEVICE_DELTA410:
 716         case ICE1712_SUBDEVICE_DELTA44:
 717         case ICE1712_SUBDEVICE_DELTA66:
 718         case ICE1712_SUBDEVICE_VX442:
 719                 err = snd_ice1712_akm4xxx_build_controls(ice);
 720                 if (err < 0)
 721                         return err;
 722                 break;
 723         }
 724
 725         return 0;
 726 }
 727
 728
 729 /* entry point */
 730 struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
 731         {
 732                 .subvendor = ICE1712_SUBDEVICE_DELTA1010,
 733                 .name = "M Audio Delta 1010",
 734                 .model = "delta1010",
 735                 .chip_init = snd_ice1712_delta_init,
 736                 .build_controls = snd_ice1712_delta_add_controls,
 737         },
 738         {
 739                 .subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
 740                 .name = "M Audio Delta DiO 2496",
 741                 .model = "dio2496",
 742                 .chip_init = snd_ice1712_delta_init,
 743                 .build_controls = snd_ice1712_delta_add_controls,
 744                 .no_mpu401 = 1,
 745         },
 746         {
 747                 .subvendor = ICE1712_SUBDEVICE_DELTA66,
 748                 .name = "M Audio Delta 66",
 749                 .model = "delta66",
 750                 .chip_init = snd_ice1712_delta_init,
 751                 .build_controls = snd_ice1712_delta_add_controls,
 752                 .no_mpu401 = 1,
 753         },
 754         {
 755                 .subvendor = ICE1712_SUBDEVICE_DELTA44,
 756                 .name = "M Audio Delta 44",
 757                 .model = "delta44",
 758                 .chip_init = snd_ice1712_delta_init,
 759                 .build_controls = snd_ice1712_delta_add_controls,
 760                 .no_mpu401 = 1,
 761         },
 762         {
 763                 .subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
 764                 .name = "M Audio Audiophile 24/96",
 765                 .model = "audiophile",
 766                 .chip_init = snd_ice1712_delta_init,
 767                 .build_controls = snd_ice1712_delta_add_controls,
 768         },
 769         {
 770                 .subvendor = ICE1712_SUBDEVICE_DELTA410,
 771                 .name = "M Audio Delta 410",
 772                 .model = "delta410",
 773                 .chip_init = snd_ice1712_delta_init,
 774                 .build_controls = snd_ice1712_delta_add_controls,
 775         },
 776         {
 777                 .subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
 778                 .name = "M Audio Delta 1010LT",
 779                 .model = "delta1010lt",
 780                 .chip_init = snd_ice1712_delta_init,
 781                 .build_controls = snd_ice1712_delta_add_controls,
 782         },
 783         {
 784                 .subvendor = ICE1712_SUBDEVICE_VX442,
 785                 .name = "Digigram VX442",
 786                 .model = "vx442",
 787                 .chip_init = snd_ice1712_delta_init,
 788                 .build_controls = snd_ice1712_delta_add_controls,
 789                 .no_mpu401 = 1,
 790         },
 791         {
 792                 .subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
 793                 .name = "Lionstracs Mediastation",
 794                 .model = "mediastation",
 795                 .chip_init = snd_ice1712_delta_init,
 796                 .build_controls = snd_ice1712_delta_add_controls,
 797         },
 798         { } /* terminator */
 799 };