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 <sound/driver.h>
  26 #include <asm/io.h>
  27 #include <linux/delay.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/init.h>
  30 #include <linux/slab.h>
  31 #include <linux/mutex.h>
  32
  33 #include <sound/core.h>
  34 #include <sound/cs8427.h>
  35 #include <sound/asoundef.h>
  36
  37 #include "ice1712.h"
  38 #include "delta.h"
  39
  40 #define SND_CS8403
  41 #include <sound/cs8403.h>
  42
  43
  44 /*
  45  * CS8427 via SPI mode (for Audiophile), emulated I2C
  46  */
  47
  48 /* send 8 bits */
  49 static void ap_cs8427_write_byte(struct snd_ice1712 *ice, unsigned char data, unsigned char tmp)
  50 {
  51         int idx;
  52
  53         for (idx = 7; idx >= 0; idx--) {
  54                 tmp &= ~(ICE1712_DELTA_AP_DOUT|ICE1712_DELTA_AP_CCLK);
  55                 if (data & (1 << idx))
  56                         tmp |= ICE1712_DELTA_AP_DOUT;
  57                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  58                 udelay(5);
  59                 tmp |= ICE1712_DELTA_AP_CCLK;
  60                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  61                 udelay(5);
  62         }
  63 }
  64
  65 /* read 8 bits */
  66 static unsigned char ap_cs8427_read_byte(struct snd_ice1712 *ice, unsigned char tmp)
  67 {
  68         unsigned char data = 0;
  69         int idx;
  70
  71         for (idx = 7; idx >= 0; idx--) {
  72                 tmp &= ~ICE1712_DELTA_AP_CCLK;
  73                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  74                 udelay(5);
  75                 if (snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_DELTA_AP_DIN)
  76                         data |= 1 << idx;
  77                 tmp |= ICE1712_DELTA_AP_CCLK;
  78                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
  79                 udelay(5);
  80         }
  81         return data;
  82 }
  83
  84 /* assert chip select */
  85 static unsigned char ap_cs8427_codec_select(struct snd_ice1712 *ice)
  86 {
  87         unsigned char tmp;
  88         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
  89         switch (ice->eeprom.subvendor) {
  90         case ICE1712_SUBDEVICE_DELTA1010LT:
  91                 tmp &= ~ICE1712_DELTA_1010LT_CS;
  92                 tmp |= ICE1712_DELTA_1010LT_CCLK | ICE1712_DELTA_1010LT_CS_CS8427;
  93                 break;
  94         case ICE1712_SUBDEVICE_AUDIOPHILE:
  95         case ICE1712_SUBDEVICE_DELTA410:
  96                 tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC;
  97                 tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL;
  98                 break;
  99         case ICE1712_SUBDEVICE_VX442:
 100                 tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B;
 101                 tmp &= ~ICE1712_VX442_CS_DIGITAL;
 102                 break;
 103         }
 104         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 105         udelay(5);
 106         return tmp;
 107 }
 108
 109 /* deassert chip select */
 110 static void ap_cs8427_codec_deassert(struct snd_ice1712 *ice, unsigned char tmp)
 111 {
 112         switch (ice->eeprom.subvendor) {
 113         case ICE1712_SUBDEVICE_DELTA1010LT:
 114                 tmp &= ~ICE1712_DELTA_1010LT_CS;
 115                 tmp |= ICE1712_DELTA_1010LT_CS_NONE;
 116                 break;
 117         case ICE1712_SUBDEVICE_AUDIOPHILE:
 118         case ICE1712_SUBDEVICE_DELTA410:
 119                 tmp |= ICE1712_DELTA_AP_CS_DIGITAL;
 120                 break;
 121         case ICE1712_SUBDEVICE_VX442:
 122                 tmp |= ICE1712_VX442_CS_DIGITAL;
 123                 break;
 124         }
 125         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 126 }
 127
 128 /* sequential write */
 129 static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
 130 {
 131         struct snd_ice1712 *ice = device->bus->private_data;
 132         int res = count;
 133         unsigned char tmp;
 134
 135         mutex_lock(&ice->gpio_mutex);
 136         tmp = ap_cs8427_codec_select(ice);
 137         ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
 138         while (count-- > 0)
 139                 ap_cs8427_write_byte(ice, *bytes++, tmp);
 140         ap_cs8427_codec_deassert(ice, tmp);
 141         mutex_unlock(&ice->gpio_mutex);
 142         return res;
 143 }
 144
 145 /* sequential read */
 146 static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
 147 {
 148         struct snd_ice1712 *ice = device->bus->private_data;
 149         int res = count;
 150         unsigned char tmp;
 151
 152         mutex_lock(&ice->gpio_mutex);
 153         tmp = ap_cs8427_codec_select(ice);
 154         ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
 155         while (count-- > 0)
 156                 *bytes++ = ap_cs8427_read_byte(ice, tmp);
 157         ap_cs8427_codec_deassert(ice, tmp);
 158         mutex_unlock(&ice->gpio_mutex);
 159         return res;
 160 }
 161
 162 static int ap_cs8427_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
 163 {
 164         if (addr == 0x10)
 165                 return 1;
 166         return -ENOENT;
 167 }
 168
 169 static struct snd_i2c_ops ap_cs8427_i2c_ops = {
 170         .sendbytes = ap_cs8427_sendbytes,
 171         .readbytes = ap_cs8427_readbytes,
 172         .probeaddr = ap_cs8427_probeaddr,
 173 };
 174
 175 /*
 176  */
 177
 178 static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
 179 {
 180         unsigned char tmp, mask1, mask2;
 181         int idx;
 182         /* send byte to transmitter */
 183         mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
 184         mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
 185         mutex_lock(&ice->gpio_mutex);
 186         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 187         for (idx = 7; idx >= 0; idx--) {
 188                 tmp &= ~(mask1 | mask2);
 189                 if (bits & (1 << idx))
 190                         tmp |= mask2;
 191                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 192                 udelay(100);
 193                 tmp |= mask1;
 194                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 195                 udelay(100);
 196         }
 197         tmp &= ~mask1;
 198         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 199         mutex_unlock(&ice->gpio_mutex);
 200 }
 201
 202
 203 static void delta_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 204 {
 205         snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
 206 }
 207
 208 static int delta_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 209 {
 210         unsigned int val;
 211         int change;
 212
 213         val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
 214         spin_lock_irq(&ice->reg_lock);
 215         change = ice->spdif.cs8403_bits != val;
 216         ice->spdif.cs8403_bits = val;
 217         if (change && ice->playback_pro_substream == NULL) {
 218                 spin_unlock_irq(&ice->reg_lock);
 219                 snd_ice1712_delta_cs8403_spdif_write(ice, val);
 220         } else {
 221                 spin_unlock_irq(&ice->reg_lock);
 222         }
 223         return change;
 224 }
 225
 226 static void delta_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 227 {
 228         snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
 229 }
 230
 231 static int delta_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 232 {
 233         unsigned int val;
 234         int change;
 235
 236         val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
 237         spin_lock_irq(&ice->reg_lock);
 238         change = ice->spdif.cs8403_stream_bits != val;
 239         ice->spdif.cs8403_stream_bits = val;
 240         if (change && ice->playback_pro_substream != NULL) {
 241                 spin_unlock_irq(&ice->reg_lock);
 242                 snd_ice1712_delta_cs8403_spdif_write(ice, val);
 243         } else {
 244                 spin_unlock_irq(&ice->reg_lock);
 245         }
 246         return change;
 247 }
 248
 249
 250 /*
 251  * AK4524 on Delta 44 and 66 to choose the chip mask
 252  */
 253 static void delta_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 254 {
 255         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 256         struct snd_ice1712 *ice = ak->private_data[0];
 257
 258         snd_ice1712_save_gpio_status(ice);
 259         priv->cs_mask =
 260         priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :
 261                                     ICE1712_DELTA_CODEC_CHIP_B;
 262 }
 263
 264 /*
 265  * AK4524 on Delta1010LT to choose the chip address
 266  */
 267 static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 268 {
 269         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 270         struct snd_ice1712 *ice = ak->private_data[0];
 271
 272         snd_ice1712_save_gpio_status(ice);
 273         priv->cs_mask = ICE1712_DELTA_1010LT_CS;
 274         priv->cs_addr = chip << 4;
 275 }
 276
 277 /*
 278  * AK4528 on VX442 to choose the chip mask
 279  */
 280 static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 281 {
 282         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 283         struct snd_ice1712 *ice = ak->private_data[0];
 284
 285         snd_ice1712_save_gpio_status(ice);
 286         priv->cs_mask =
 287         priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :
 288                                     ICE1712_VX442_CODEC_CHIP_B;
 289 }
 290
 291 /*
 292  * change the DFS bit according rate for Delta1010
 293  */
 294 static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
 295 {
 296         unsigned char tmp, tmp2;
 297
 298         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 299                 return;
 300
 301         mutex_lock(&ice->gpio_mutex);
 302         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 303         tmp2 = tmp & ~ICE1712_DELTA_DFS;
 304         if (rate > 48000)
 305                 tmp2 |= ICE1712_DELTA_DFS;
 306         if (tmp != tmp2)
 307                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
 308         mutex_unlock(&ice->gpio_mutex);
 309 }
 310
 311 /*
 312  * change the rate of AK4524 on Delta 44/66, AP, 1010LT
 313  */
 314 static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 315 {
 316         unsigned char tmp, tmp2;
 317         struct snd_ice1712 *ice = ak->private_data[0];
 318
 319         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 320                 return;
 321
 322         /* check before reset ak4524 to avoid unnecessary clicks */
 323         mutex_lock(&ice->gpio_mutex);
 324         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 325         mutex_unlock(&ice->gpio_mutex);
 326         tmp2 = tmp & ~ICE1712_DELTA_DFS;
 327         if (rate > 48000)
 328                 tmp2 |= ICE1712_DELTA_DFS;
 329         if (tmp == tmp2)
 330                 return;
 331
 332         /* do it again */
 333         snd_akm4xxx_reset(ak, 1);
 334         mutex_lock(&ice->gpio_mutex);
 335         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
 336         if (rate > 48000)
 337                 tmp |= ICE1712_DELTA_DFS;
 338         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 339         mutex_unlock(&ice->gpio_mutex);
 340         snd_akm4xxx_reset(ak, 0);
 341 }
 342
 343 /*
 344  * change the rate of AK4524 on VX442
 345  */
 346 static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 347 {
 348         unsigned char val;
 349
 350         val = (rate > 48000) ? 0x65 : 0x60;
 351         if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
 352             snd_akm4xxx_get(ak, 1, 0x02) != val) {
 353                 snd_akm4xxx_reset(ak, 1);
 354                 snd_akm4xxx_write(ak, 0, 0x02, val);
 355                 snd_akm4xxx_write(ak, 1, 0x02, val);
 356                 snd_akm4xxx_reset(ak, 0);
 357         }
 358 }
 359
 360
 361 /*
 362  * SPDIF ops for Delta 1010, Dio, 66
 363  */
 364
 365 /* open callback */
 366 static void delta_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
 367 {
 368         ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
 369 }
 370
 371 /* set up */
 372 static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
 373 {
 374         unsigned long flags;
 375         unsigned int tmp;
 376         int change;
 377
 378         spin_lock_irqsave(&ice->reg_lock, flags);
 379         tmp = ice->spdif.cs8403_stream_bits;
 380         if (tmp & 0x01)         /* consumer */
 381                 tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;
 382         switch (rate) {
 383         case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;
 384         case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;
 385         case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;
 386         default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;
 387         }
 388         change = ice->spdif.cs8403_stream_bits != tmp;
 389         ice->spdif.cs8403_stream_bits = tmp;
 390         spin_unlock_irqrestore(&ice->reg_lock, flags);
 391         if (change)
 392                 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
 393         snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
 394 }
 395
 396 #define snd_ice1712_delta1010lt_wordclock_status_info \
 397         snd_ctl_boolean_mono_info
 398
 399 static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
 400                          struct snd_ctl_elem_value *ucontrol)
 401 {
 402         char reg = 0x10; // cs8427 receiver error register
 403         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 404
 405         if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
 406                 snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);
 407         snd_i2c_readbytes(ice->cs8427, &reg, 1);
 408         ucontrol->value.integer.value[0] = (reg ? 1 : 0);
 409         return 0;
 410 }
 411
 412 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =
 413 {
 414         .access =       (SNDRV_CTL_ELEM_ACCESS_READ),
 415         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 416         .name =         "Word Clock Status",
 417         .info =         snd_ice1712_delta1010lt_wordclock_status_info,
 418         .get =          snd_ice1712_delta1010lt_wordclock_status_get,
 419 };
 420
 421 /*
 422  * initialize the chips on M-Audio cards
 423  */
 424
 425 static struct snd_akm4xxx akm_audiophile __devinitdata = {
 426         .type = SND_AK4528,
 427         .num_adcs = 2,
 428         .num_dacs = 2,
 429         .ops = {
 430                 .set_rate_val = delta_ak4524_set_rate_val
 431         }
 432 };
 433
 434 static struct snd_ak4xxx_private akm_audiophile_priv __devinitdata = {
 435         .caddr = 2,
 436         .cif = 0,
 437         .data_mask = ICE1712_DELTA_AP_DOUT,
 438         .clk_mask = ICE1712_DELTA_AP_CCLK,
 439         .cs_mask = ICE1712_DELTA_AP_CS_CODEC,
 440         .cs_addr = ICE1712_DELTA_AP_CS_CODEC,
 441         .cs_none = 0,
 442         .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
 443         .mask_flags = 0,
 444 };
 445
 446 static struct snd_akm4xxx akm_delta410 __devinitdata = {
 447         .type = SND_AK4529,
 448         .num_adcs = 2,
 449         .num_dacs = 8,
 450         .ops = {
 451                 .set_rate_val = delta_ak4524_set_rate_val
 452         }
 453 };
 454
 455 static struct snd_ak4xxx_private akm_delta410_priv __devinitdata = {
 456         .caddr = 0,
 457         .cif = 0,
 458         .data_mask = ICE1712_DELTA_AP_DOUT,
 459         .clk_mask = ICE1712_DELTA_AP_CCLK,
 460         .cs_mask = ICE1712_DELTA_AP_CS_CODEC,
 461         .cs_addr = ICE1712_DELTA_AP_CS_CODEC,
 462         .cs_none = 0,
 463         .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
 464         .mask_flags = 0,
 465 };
 466
 467 static struct snd_akm4xxx akm_delta1010lt __devinitdata = {
 468         .type = SND_AK4524,
 469         .num_adcs = 8,
 470         .num_dacs = 8,
 471         .ops = {
 472                 .lock = delta1010lt_ak4524_lock,
 473                 .set_rate_val = delta_ak4524_set_rate_val
 474         }
 475 };
 476
 477 static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = {
 478         .caddr = 2,
 479         .cif = 0, /* the default level of the CIF pin from AK4524 */
 480         .data_mask = ICE1712_DELTA_1010LT_DOUT,
 481         .clk_mask = ICE1712_DELTA_1010LT_CCLK,
 482         .cs_mask = 0,
 483         .cs_addr = 0, /* set later */
 484         .cs_none = ICE1712_DELTA_1010LT_CS_NONE,
 485         .add_flags = 0,
 486         .mask_flags = 0,
 487 };
 488
 489 static struct snd_akm4xxx akm_delta44 __devinitdata = {
 490         .type = SND_AK4524,
 491         .num_adcs = 4,
 492         .num_dacs = 4,
 493         .ops = {
 494                 .lock = delta_ak4524_lock,
 495                 .set_rate_val = delta_ak4524_set_rate_val
 496         }
 497 };
 498
 499 static struct snd_ak4xxx_private akm_delta44_priv __devinitdata = {
 500         .caddr = 2,
 501         .cif = 0, /* the default level of the CIF pin from AK4524 */
 502         .data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,
 503         .clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,
 504         .cs_mask = 0,
 505         .cs_addr = 0, /* set later */
 506         .cs_none = 0,
 507         .add_flags = 0,
 508         .mask_flags = 0,
 509 };
 510
 511 static struct snd_akm4xxx akm_vx442 __devinitdata = {
 512         .type = SND_AK4524,
 513         .num_adcs = 4,
 514         .num_dacs = 4,
 515         .ops = {
 516                 .lock = vx442_ak4524_lock,
 517                 .set_rate_val = vx442_ak4524_set_rate_val
 518         }
 519 };
 520
 521 static struct snd_ak4xxx_private akm_vx442_priv __devinitdata = {
 522         .caddr = 2,
 523         .cif = 0,
 524         .data_mask = ICE1712_VX442_DOUT,
 525         .clk_mask = ICE1712_VX442_CCLK,
 526         .cs_mask = 0,
 527         .cs_addr = 0, /* set later */
 528         .cs_none = 0,
 529         .add_flags = 0,
 530         .mask_flags = 0,
 531 };
 532
 533 static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)
 534 {
 535         int err;
 536         struct snd_akm4xxx *ak;
 537
 538         /* determine I2C, DACs and ADCs */
 539         switch (ice->eeprom.subvendor) {
 540         case ICE1712_SUBDEVICE_AUDIOPHILE:
 541                 ice->num_total_dacs = 2;
 542                 ice->num_total_adcs = 2;
 543                 break;
 544         case ICE1712_SUBDEVICE_DELTA410:
 545                 ice->num_total_dacs = 8;
 546                 ice->num_total_adcs = 2;
 547                 break;
 548         case ICE1712_SUBDEVICE_DELTA44:
 549         case ICE1712_SUBDEVICE_DELTA66:
 550                 ice->num_total_dacs = ice->omni ? 8 : 4;
 551                 ice->num_total_adcs = ice->omni ? 8 : 4;
 552                 break;
 553         case ICE1712_SUBDEVICE_DELTA1010:
 554         case ICE1712_SUBDEVICE_DELTA1010LT:
 555         case ICE1712_SUBDEVICE_MEDIASTATION:
 556                 ice->num_total_dacs = 8;
 557                 ice->num_total_adcs = 8;
 558                 break;
 559         case ICE1712_SUBDEVICE_DELTADIO2496:
 560                 ice->num_total_dacs = 4;        /* two AK4324 codecs */
 561                 break;
 562         case ICE1712_SUBDEVICE_VX442:
 563                 ice->num_total_dacs = 4;
 564                 ice->num_total_adcs = 4;
 565                 break;
 566         }
 567
 568         /* initialize spdif */
 569         switch (ice->eeprom.subvendor) {
 570         case ICE1712_SUBDEVICE_AUDIOPHILE:
 571         case ICE1712_SUBDEVICE_DELTA410:
 572         case ICE1712_SUBDEVICE_DELTA1010LT:
 573         case ICE1712_SUBDEVICE_VX442:
 574                 if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
 575                         snd_printk(KERN_ERR "unable to create I2C bus\n");
 576                         return err;
 577                 }
 578                 ice->i2c->private_data = ice;
 579                 ice->i2c->ops = &ap_cs8427_i2c_ops;
 580                 if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
 581                         return err;
 582                 break;
 583         case ICE1712_SUBDEVICE_DELTA1010:
 584         case ICE1712_SUBDEVICE_MEDIASTATION:
 585                 ice->gpio.set_pro_rate = delta_1010_set_rate_val;
 586                 break;
 587         case ICE1712_SUBDEVICE_DELTADIO2496:
 588                 ice->gpio.set_pro_rate = delta_1010_set_rate_val;
 589                 /* fall thru */
 590         case ICE1712_SUBDEVICE_DELTA66:
 591                 ice->spdif.ops.open = delta_open_spdif;
 592                 ice->spdif.ops.setup_rate = delta_setup_spdif;
 593                 ice->spdif.ops.default_get = delta_spdif_default_get;
 594                 ice->spdif.ops.default_put = delta_spdif_default_put;
 595                 ice->spdif.ops.stream_get = delta_spdif_stream_get;
 596                 ice->spdif.ops.stream_put = delta_spdif_stream_put;
 597                 /* Set spdif defaults */
 598                 snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
 599                 break;
 600         }
 601
 602         /* no analog? */
 603         switch (ice->eeprom.subvendor) {
 604         case ICE1712_SUBDEVICE_DELTA1010:
 605         case ICE1712_SUBDEVICE_DELTADIO2496:
 606         case ICE1712_SUBDEVICE_MEDIASTATION:
 607                 return 0;
 608         }
 609
 610         /* second stage of initialization, analog parts and others */
 611         ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
 612         if (! ak)
 613                 return -ENOMEM;
 614         ice->akm_codecs = 1;
 615
 616         switch (ice->eeprom.subvendor) {
 617         case ICE1712_SUBDEVICE_AUDIOPHILE:
 618                 err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
 619                 break;
 620         case ICE1712_SUBDEVICE_DELTA410:
 621                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
 622                 break;
 623         case ICE1712_SUBDEVICE_DELTA1010LT:
 624                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
 625                 break;
 626         case ICE1712_SUBDEVICE_DELTA66:
 627         case ICE1712_SUBDEVICE_DELTA44:
 628                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
 629                 break;
 630         case ICE1712_SUBDEVICE_VX442:
 631                 err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
 632                 break;
 633         default:
 634                 snd_BUG();
 635                 return -EINVAL;
 636         }
 637
 638         return err;
 639 }
 640
 641
 642 /*
 643  * additional controls for M-Audio cards
 644  */
 645
 646 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select __devinitdata =
 647 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
 648 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select __devinitdata =
 649 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);
 650 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status __devinitdata =
 651 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);
 652 static struct snd_kcontrol_new snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
 653 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
 654 static struct snd_kcontrol_new snd_ice1712_delta_spdif_in_status __devinitdata =
 655 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);
 656
 657
 658 static int __devinit snd_ice1712_delta_add_controls(struct snd_ice1712 *ice)
 659 {
 660         int err;
 661
 662         /* 1010 and dio specific controls */
 663         switch (ice->eeprom.subvendor) {
 664         case ICE1712_SUBDEVICE_DELTA1010:
 665         case ICE1712_SUBDEVICE_MEDIASTATION:
 666                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
 667                 if (err < 0)
 668                         return err;
 669                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
 670                 if (err < 0)
 671                         return err;
 672                 break;
 673         case ICE1712_SUBDEVICE_DELTADIO2496:
 674                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
 675                 if (err < 0)
 676                         return err;
 677                 break;
 678         case ICE1712_SUBDEVICE_DELTA1010LT:
 679                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
 680                 if (err < 0)
 681                         return err;
 682                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_status, ice));
 683                 if (err < 0)
 684                         return err;
 685                 break;
 686         }
 687
 688         /* normal spdif controls */
 689         switch (ice->eeprom.subvendor) {
 690         case ICE1712_SUBDEVICE_DELTA1010:
 691         case ICE1712_SUBDEVICE_DELTADIO2496:
 692         case ICE1712_SUBDEVICE_DELTA66:
 693         case ICE1712_SUBDEVICE_MEDIASTATION:
 694                 err = snd_ice1712_spdif_build_controls(ice);
 695                 if (err < 0)
 696                         return err;
 697                 break;
 698         }
 699
 700         /* spdif status in */
 701         switch (ice->eeprom.subvendor) {
 702         case ICE1712_SUBDEVICE_DELTA1010:
 703         case ICE1712_SUBDEVICE_DELTADIO2496:
 704         case ICE1712_SUBDEVICE_DELTA66:
 705         case ICE1712_SUBDEVICE_MEDIASTATION:
 706                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
 707                 if (err < 0)
 708                         return err;
 709                 break;
 710         }
 711
 712         /* ak4524 controls */
 713         switch (ice->eeprom.subvendor) {
 714         case ICE1712_SUBDEVICE_DELTA1010LT:
 715         case ICE1712_SUBDEVICE_AUDIOPHILE:
 716         case ICE1712_SUBDEVICE_DELTA410:
 717         case ICE1712_SUBDEVICE_DELTA44:
 718         case ICE1712_SUBDEVICE_DELTA66:
 719         case ICE1712_SUBDEVICE_VX442:
 720                 err = snd_ice1712_akm4xxx_build_controls(ice);
 721                 if (err < 0)
 722                         return err;
 723                 break;
 724         }
 725
 726         return 0;
 727 }
 728
 729
 730 /* entry point */
 731 struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
 732         {
 733                 .subvendor = ICE1712_SUBDEVICE_DELTA1010,
 734                 .name = "M Audio Delta 1010",
 735                 .model = "delta1010",
 736                 .chip_init = snd_ice1712_delta_init,
 737                 .build_controls = snd_ice1712_delta_add_controls,
 738         },
 739         {
 740                 .subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
 741                 .name = "M Audio Delta DiO 2496",
 742                 .model = "dio2496",
 743                 .chip_init = snd_ice1712_delta_init,
 744                 .build_controls = snd_ice1712_delta_add_controls,
 745                 .no_mpu401 = 1,
 746         },
 747         {
 748                 .subvendor = ICE1712_SUBDEVICE_DELTA66,
 749                 .name = "M Audio Delta 66",
 750                 .model = "delta66",
 751                 .chip_init = snd_ice1712_delta_init,
 752                 .build_controls = snd_ice1712_delta_add_controls,
 753                 .no_mpu401 = 1,
 754         },
 755         {
 756                 .subvendor = ICE1712_SUBDEVICE_DELTA44,
 757                 .name = "M Audio Delta 44",
 758                 .model = "delta44",
 759                 .chip_init = snd_ice1712_delta_init,
 760                 .build_controls = snd_ice1712_delta_add_controls,
 761                 .no_mpu401 = 1,
 762         },
 763         {
 764                 .subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
 765                 .name = "M Audio Audiophile 24/96",
 766                 .model = "audiophile",
 767                 .chip_init = snd_ice1712_delta_init,
 768                 .build_controls = snd_ice1712_delta_add_controls,
 769         },
 770         {
 771                 .subvendor = ICE1712_SUBDEVICE_DELTA410,
 772                 .name = "M Audio Delta 410",
 773                 .model = "delta410",
 774                 .chip_init = snd_ice1712_delta_init,
 775                 .build_controls = snd_ice1712_delta_add_controls,
 776         },
 777         {
 778                 .subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
 779                 .name = "M Audio Delta 1010LT",
 780                 .model = "delta1010lt",
 781                 .chip_init = snd_ice1712_delta_init,
 782                 .build_controls = snd_ice1712_delta_add_controls,
 783         },
 784         {
 785                 .subvendor = ICE1712_SUBDEVICE_VX442,
 786                 .name = "Digigram VX442",
 787                 .model = "vx442",
 788                 .chip_init = snd_ice1712_delta_init,
 789                 .build_controls = snd_ice1712_delta_add_controls,
 790                 .no_mpu401 = 1,
 791         },
 792         {
 793                 .subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
 794                 .name = "Lionstracs Mediastation",
 795                 .model = "mediastation",
 796                 .chip_init = snd_ice1712_delta_init,
 797                 .build_controls = snd_ice1712_delta_add_controls,
 798         },
 799         { } /* terminator */
 800 };