release/src-rt-6.x.4708/linux/linux-2.6.36/sound/pci/ice1712/delta.c

   1 /*
   2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   3  *
   4  *   Lowlevel functions for M-Audio Delta 1010, 1010E, 44, 66, 66E, Dio2496,
   5  *                          Audiophile, 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_DELTA1010E:
  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_DELTA1010E:
 114         case ICE1712_SUBDEVICE_DELTA1010LT:
 115                 tmp &= ~ICE1712_DELTA_1010LT_CS;
 116                 tmp |= ICE1712_DELTA_1010LT_CS_NONE;
 117                 break;
 118         case ICE1712_SUBDEVICE_AUDIOPHILE:
 119         case ICE1712_SUBDEVICE_DELTA410:
 120                 tmp |= ICE1712_DELTA_AP_CS_DIGITAL;
 121                 break;
 122         case ICE1712_SUBDEVICE_VX442:
 123                 tmp |= ICE1712_VX442_CS_DIGITAL;
 124                 break;
 125         }
 126         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 127 }
 128
 129 /* sequential write */
 130 static int ap_cs8427_sendbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
 131 {
 132         struct snd_ice1712 *ice = device->bus->private_data;
 133         int res = count;
 134         unsigned char tmp;
 135
 136         mutex_lock(&ice->gpio_mutex);
 137         tmp = ap_cs8427_codec_select(ice);
 138         ap_cs8427_write_byte(ice, (device->addr << 1) | 0, tmp); /* address + write mode */
 139         while (count-- > 0)
 140                 ap_cs8427_write_byte(ice, *bytes++, tmp);
 141         ap_cs8427_codec_deassert(ice, tmp);
 142         mutex_unlock(&ice->gpio_mutex);
 143         return res;
 144 }
 145
 146 /* sequential read */
 147 static int ap_cs8427_readbytes(struct snd_i2c_device *device, unsigned char *bytes, int count)
 148 {
 149         struct snd_ice1712 *ice = device->bus->private_data;
 150         int res = count;
 151         unsigned char tmp;
 152
 153         mutex_lock(&ice->gpio_mutex);
 154         tmp = ap_cs8427_codec_select(ice);
 155         ap_cs8427_write_byte(ice, (device->addr << 1) | 1, tmp); /* address + read mode */
 156         while (count-- > 0)
 157                 *bytes++ = ap_cs8427_read_byte(ice, tmp);
 158         ap_cs8427_codec_deassert(ice, tmp);
 159         mutex_unlock(&ice->gpio_mutex);
 160         return res;
 161 }
 162
 163 static int ap_cs8427_probeaddr(struct snd_i2c_bus *bus, unsigned short addr)
 164 {
 165         if (addr == 0x10)
 166                 return 1;
 167         return -ENOENT;
 168 }
 169
 170 static struct snd_i2c_ops ap_cs8427_i2c_ops = {
 171         .sendbytes = ap_cs8427_sendbytes,
 172         .readbytes = ap_cs8427_readbytes,
 173         .probeaddr = ap_cs8427_probeaddr,
 174 };
 175
 176 /*
 177  */
 178
 179 static void snd_ice1712_delta_cs8403_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
 180 {
 181         unsigned char tmp, mask1, mask2;
 182         int idx;
 183         /* send byte to transmitter */
 184         mask1 = ICE1712_DELTA_SPDIF_OUT_STAT_CLOCK;
 185         mask2 = ICE1712_DELTA_SPDIF_OUT_STAT_DATA;
 186         mutex_lock(&ice->gpio_mutex);
 187         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 188         for (idx = 7; idx >= 0; idx--) {
 189                 tmp &= ~(mask1 | mask2);
 190                 if (bits & (1 << idx))
 191                         tmp |= mask2;
 192                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 193                 udelay(100);
 194                 tmp |= mask1;
 195                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 196                 udelay(100);
 197         }
 198         tmp &= ~mask1;
 199         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 200         mutex_unlock(&ice->gpio_mutex);
 201 }
 202
 203
 204 static void delta_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 205 {
 206         snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
 207 }
 208
 209 static int delta_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 210 {
 211         unsigned int val;
 212         int change;
 213
 214         val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
 215         spin_lock_irq(&ice->reg_lock);
 216         change = ice->spdif.cs8403_bits != val;
 217         ice->spdif.cs8403_bits = val;
 218         if (change && ice->playback_pro_substream == NULL) {
 219                 spin_unlock_irq(&ice->reg_lock);
 220                 snd_ice1712_delta_cs8403_spdif_write(ice, val);
 221         } else {
 222                 spin_unlock_irq(&ice->reg_lock);
 223         }
 224         return change;
 225 }
 226
 227 static void delta_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 228 {
 229         snd_cs8403_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
 230 }
 231
 232 static int delta_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
 233 {
 234         unsigned int val;
 235         int change;
 236
 237         val = snd_cs8403_encode_spdif_bits(&ucontrol->value.iec958);
 238         spin_lock_irq(&ice->reg_lock);
 239         change = ice->spdif.cs8403_stream_bits != val;
 240         ice->spdif.cs8403_stream_bits = val;
 241         if (change && ice->playback_pro_substream != NULL) {
 242                 spin_unlock_irq(&ice->reg_lock);
 243                 snd_ice1712_delta_cs8403_spdif_write(ice, val);
 244         } else {
 245                 spin_unlock_irq(&ice->reg_lock);
 246         }
 247         return change;
 248 }
 249
 250
 251 /*
 252  * AK4524 on Delta 44 and 66 to choose the chip mask
 253  */
 254 static void delta_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 255 {
 256         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 257         struct snd_ice1712 *ice = ak->private_data[0];
 258
 259         snd_ice1712_save_gpio_status(ice);
 260         priv->cs_mask =
 261         priv->cs_addr = chip == 0 ? ICE1712_DELTA_CODEC_CHIP_A :
 262                                     ICE1712_DELTA_CODEC_CHIP_B;
 263 }
 264
 265 /*
 266  * AK4524 on Delta1010LT to choose the chip address
 267  */
 268 static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 269 {
 270         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 271         struct snd_ice1712 *ice = ak->private_data[0];
 272
 273         snd_ice1712_save_gpio_status(ice);
 274         priv->cs_mask = ICE1712_DELTA_1010LT_CS;
 275         priv->cs_addr = chip << 4;
 276 }
 277
 278 /*
 279  * AK4528 on VX442 to choose the chip mask
 280  */
 281 static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip)
 282 {
 283         struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
 284         struct snd_ice1712 *ice = ak->private_data[0];
 285
 286         snd_ice1712_save_gpio_status(ice);
 287         priv->cs_mask =
 288         priv->cs_addr = chip == 0 ? ICE1712_VX442_CODEC_CHIP_A :
 289                                     ICE1712_VX442_CODEC_CHIP_B;
 290 }
 291
 292 /*
 293  * change the DFS bit according rate for Delta1010
 294  */
 295 static void delta_1010_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
 296 {
 297         unsigned char tmp, tmp2;
 298
 299         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 300                 return;
 301
 302         mutex_lock(&ice->gpio_mutex);
 303         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 304         tmp2 = tmp & ~ICE1712_DELTA_DFS;
 305         if (rate > 48000)
 306                 tmp2 |= ICE1712_DELTA_DFS;
 307         if (tmp != tmp2)
 308                 snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp2);
 309         mutex_unlock(&ice->gpio_mutex);
 310 }
 311
 312 /*
 313  * change the rate of AK4524 on Delta 44/66, AP, 1010LT
 314  */
 315 static void delta_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 316 {
 317         unsigned char tmp, tmp2;
 318         struct snd_ice1712 *ice = ak->private_data[0];
 319
 320         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
 321                 return;
 322
 323         /* check before reset ak4524 to avoid unnecessary clicks */
 324         mutex_lock(&ice->gpio_mutex);
 325         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
 326         mutex_unlock(&ice->gpio_mutex);
 327         tmp2 = tmp & ~ICE1712_DELTA_DFS;
 328         if (rate > 48000)
 329                 tmp2 |= ICE1712_DELTA_DFS;
 330         if (tmp == tmp2)
 331                 return;
 332
 333         /* do it again */
 334         snd_akm4xxx_reset(ak, 1);
 335         mutex_lock(&ice->gpio_mutex);
 336         tmp = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ~ICE1712_DELTA_DFS;
 337         if (rate > 48000)
 338                 tmp |= ICE1712_DELTA_DFS;
 339         snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
 340         mutex_unlock(&ice->gpio_mutex);
 341         snd_akm4xxx_reset(ak, 0);
 342 }
 343
 344 /*
 345  * change the rate of AK4524 on VX442
 346  */
 347 static void vx442_ak4524_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
 348 {
 349         unsigned char val;
 350
 351         val = (rate > 48000) ? 0x65 : 0x60;
 352         if (snd_akm4xxx_get(ak, 0, 0x02) != val ||
 353             snd_akm4xxx_get(ak, 1, 0x02) != val) {
 354                 snd_akm4xxx_reset(ak, 1);
 355                 snd_akm4xxx_write(ak, 0, 0x02, val);
 356                 snd_akm4xxx_write(ak, 1, 0x02, val);
 357                 snd_akm4xxx_reset(ak, 0);
 358         }
 359 }
 360
 361
 362 /*
 363  * SPDIF ops for Delta 1010, Dio, 66
 364  */
 365
 366 /* open callback */
 367 static void delta_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
 368 {
 369         ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
 370 }
 371
 372 /* set up */
 373 static void delta_setup_spdif(struct snd_ice1712 *ice, int rate)
 374 {
 375         unsigned long flags;
 376         unsigned int tmp;
 377         int change;
 378
 379         spin_lock_irqsave(&ice->reg_lock, flags);
 380         tmp = ice->spdif.cs8403_stream_bits;
 381         if (tmp & 0x01)         /* consumer */
 382                 tmp &= (tmp & 0x01) ? ~0x06 : ~0x18;
 383         switch (rate) {
 384         case 32000: tmp |= (tmp & 0x01) ? 0x04 : 0x00; break;
 385         case 44100: tmp |= (tmp & 0x01) ? 0x00 : 0x10; break;
 386         case 48000: tmp |= (tmp & 0x01) ? 0x02 : 0x08; break;
 387         default: tmp |= (tmp & 0x01) ? 0x00 : 0x18; break;
 388         }
 389         change = ice->spdif.cs8403_stream_bits != tmp;
 390         ice->spdif.cs8403_stream_bits = tmp;
 391         spin_unlock_irqrestore(&ice->reg_lock, flags);
 392         if (change)
 393                 snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
 394         snd_ice1712_delta_cs8403_spdif_write(ice, tmp);
 395 }
 396
 397 #define snd_ice1712_delta1010lt_wordclock_status_info \
 398         snd_ctl_boolean_mono_info
 399
 400 static int snd_ice1712_delta1010lt_wordclock_status_get(struct snd_kcontrol *kcontrol,
 401                          struct snd_ctl_elem_value *ucontrol)
 402 {
 403         char reg = 0x10; /* CS8427 receiver error register */
 404         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
 405
 406         if (snd_i2c_sendbytes(ice->cs8427, &reg, 1) != 1)
 407                 snd_printk(KERN_ERR "unable to send register 0x%x byte to CS8427\n", reg);
 408         snd_i2c_readbytes(ice->cs8427, &reg, 1);
 409         ucontrol->value.integer.value[0] = (reg & CS8427_UNLOCK) ? 1 : 0;
 410         return 0;
 411 }
 412
 413 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_status __devinitdata =
 414 {
 415         .access =       (SNDRV_CTL_ELEM_ACCESS_READ),
 416         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 417         .name =         "Word Clock Status",
 418         .info =         snd_ice1712_delta1010lt_wordclock_status_info,
 419         .get =          snd_ice1712_delta1010lt_wordclock_status_get,
 420 };
 421
 422 /*
 423  * initialize the chips on M-Audio cards
 424  */
 425
 426 static struct snd_akm4xxx akm_audiophile __devinitdata = {
 427         .type = SND_AK4528,
 428         .num_adcs = 2,
 429         .num_dacs = 2,
 430         .ops = {
 431                 .set_rate_val = delta_ak4524_set_rate_val
 432         }
 433 };
 434
 435 static struct snd_ak4xxx_private akm_audiophile_priv __devinitdata = {
 436         .caddr = 2,
 437         .cif = 0,
 438         .data_mask = ICE1712_DELTA_AP_DOUT,
 439         .clk_mask = ICE1712_DELTA_AP_CCLK,
 440         .cs_mask = ICE1712_DELTA_AP_CS_CODEC,
 441         .cs_addr = ICE1712_DELTA_AP_CS_CODEC,
 442         .cs_none = 0,
 443         .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
 444         .mask_flags = 0,
 445 };
 446
 447 static struct snd_akm4xxx akm_delta410 __devinitdata = {
 448         .type = SND_AK4529,
 449         .num_adcs = 2,
 450         .num_dacs = 8,
 451         .ops = {
 452                 .set_rate_val = delta_ak4524_set_rate_val
 453         }
 454 };
 455
 456 static struct snd_ak4xxx_private akm_delta410_priv __devinitdata = {
 457         .caddr = 0,
 458         .cif = 0,
 459         .data_mask = ICE1712_DELTA_AP_DOUT,
 460         .clk_mask = ICE1712_DELTA_AP_CCLK,
 461         .cs_mask = ICE1712_DELTA_AP_CS_CODEC,
 462         .cs_addr = ICE1712_DELTA_AP_CS_CODEC,
 463         .cs_none = 0,
 464         .add_flags = ICE1712_DELTA_AP_CS_DIGITAL,
 465         .mask_flags = 0,
 466 };
 467
 468 static struct snd_akm4xxx akm_delta1010lt __devinitdata = {
 469         .type = SND_AK4524,
 470         .num_adcs = 8,
 471         .num_dacs = 8,
 472         .ops = {
 473                 .lock = delta1010lt_ak4524_lock,
 474                 .set_rate_val = delta_ak4524_set_rate_val
 475         }
 476 };
 477
 478 static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = {
 479         .caddr = 2,
 480         .cif = 0, /* the default level of the CIF pin from AK4524 */
 481         .data_mask = ICE1712_DELTA_1010LT_DOUT,
 482         .clk_mask = ICE1712_DELTA_1010LT_CCLK,
 483         .cs_mask = 0,
 484         .cs_addr = 0, /* set later */
 485         .cs_none = ICE1712_DELTA_1010LT_CS_NONE,
 486         .add_flags = 0,
 487         .mask_flags = 0,
 488 };
 489
 490 static struct snd_akm4xxx akm_delta44 __devinitdata = {
 491         .type = SND_AK4524,
 492         .num_adcs = 4,
 493         .num_dacs = 4,
 494         .ops = {
 495                 .lock = delta_ak4524_lock,
 496                 .set_rate_val = delta_ak4524_set_rate_val
 497         }
 498 };
 499
 500 static struct snd_ak4xxx_private akm_delta44_priv __devinitdata = {
 501         .caddr = 2,
 502         .cif = 0, /* the default level of the CIF pin from AK4524 */
 503         .data_mask = ICE1712_DELTA_CODEC_SERIAL_DATA,
 504         .clk_mask = ICE1712_DELTA_CODEC_SERIAL_CLOCK,
 505         .cs_mask = 0,
 506         .cs_addr = 0, /* set later */
 507         .cs_none = 0,
 508         .add_flags = 0,
 509         .mask_flags = 0,
 510 };
 511
 512 static struct snd_akm4xxx akm_vx442 __devinitdata = {
 513         .type = SND_AK4524,
 514         .num_adcs = 4,
 515         .num_dacs = 4,
 516         .ops = {
 517                 .lock = vx442_ak4524_lock,
 518                 .set_rate_val = vx442_ak4524_set_rate_val
 519         }
 520 };
 521
 522 static struct snd_ak4xxx_private akm_vx442_priv __devinitdata = {
 523         .caddr = 2,
 524         .cif = 0,
 525         .data_mask = ICE1712_VX442_DOUT,
 526         .clk_mask = ICE1712_VX442_CCLK,
 527         .cs_mask = 0,
 528         .cs_addr = 0, /* set later */
 529         .cs_none = 0,
 530         .add_flags = 0,
 531         .mask_flags = 0,
 532 };
 533
 534 static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice)
 535 {
 536         int err;
 537         struct snd_akm4xxx *ak;
 538
 539         if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA1010 &&
 540             ice->eeprom.gpiodir == 0x7b)
 541                 ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA1010E;
 542
 543         if (ice->eeprom.subvendor == ICE1712_SUBDEVICE_DELTA66 &&
 544             ice->eeprom.gpiodir == 0xfb)
 545                 ice->eeprom.subvendor = ICE1712_SUBDEVICE_DELTA66E;
 546
 547         /* determine I2C, DACs and ADCs */
 548         switch (ice->eeprom.subvendor) {
 549         case ICE1712_SUBDEVICE_AUDIOPHILE:
 550                 ice->num_total_dacs = 2;
 551                 ice->num_total_adcs = 2;
 552                 break;
 553         case ICE1712_SUBDEVICE_DELTA410:
 554                 ice->num_total_dacs = 8;
 555                 ice->num_total_adcs = 2;
 556                 break;
 557         case ICE1712_SUBDEVICE_DELTA44:
 558         case ICE1712_SUBDEVICE_DELTA66:
 559                 ice->num_total_dacs = ice->omni ? 8 : 4;
 560                 ice->num_total_adcs = ice->omni ? 8 : 4;
 561                 break;
 562         case ICE1712_SUBDEVICE_DELTA1010:
 563         case ICE1712_SUBDEVICE_DELTA1010E:
 564         case ICE1712_SUBDEVICE_DELTA1010LT:
 565         case ICE1712_SUBDEVICE_MEDIASTATION:
 566                 ice->num_total_dacs = 8;
 567                 ice->num_total_adcs = 8;
 568                 break;
 569         case ICE1712_SUBDEVICE_DELTADIO2496:
 570                 ice->num_total_dacs = 4;        /* two AK4324 codecs */
 571                 break;
 572         case ICE1712_SUBDEVICE_VX442:
 573         case ICE1712_SUBDEVICE_DELTA66E:        /* omni not suported yet */
 574                 ice->num_total_dacs = 4;
 575                 ice->num_total_adcs = 4;
 576                 break;
 577         }
 578
 579         /* initialize spdif */
 580         switch (ice->eeprom.subvendor) {
 581         case ICE1712_SUBDEVICE_AUDIOPHILE:
 582         case ICE1712_SUBDEVICE_DELTA410:
 583         case ICE1712_SUBDEVICE_DELTA1010E:
 584         case ICE1712_SUBDEVICE_DELTA1010LT:
 585         case ICE1712_SUBDEVICE_VX442:
 586         case ICE1712_SUBDEVICE_DELTA66E:
 587                 if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
 588                         snd_printk(KERN_ERR "unable to create I2C bus\n");
 589                         return err;
 590                 }
 591                 ice->i2c->private_data = ice;
 592                 ice->i2c->ops = &ap_cs8427_i2c_ops;
 593                 if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
 594                         return err;
 595                 break;
 596         case ICE1712_SUBDEVICE_DELTA1010:
 597         case ICE1712_SUBDEVICE_MEDIASTATION:
 598                 ice->gpio.set_pro_rate = delta_1010_set_rate_val;
 599                 break;
 600         case ICE1712_SUBDEVICE_DELTADIO2496:
 601                 ice->gpio.set_pro_rate = delta_1010_set_rate_val;
 602                 /* fall thru */
 603         case ICE1712_SUBDEVICE_DELTA66:
 604                 ice->spdif.ops.open = delta_open_spdif;
 605                 ice->spdif.ops.setup_rate = delta_setup_spdif;
 606                 ice->spdif.ops.default_get = delta_spdif_default_get;
 607                 ice->spdif.ops.default_put = delta_spdif_default_put;
 608                 ice->spdif.ops.stream_get = delta_spdif_stream_get;
 609                 ice->spdif.ops.stream_put = delta_spdif_stream_put;
 610                 /* Set spdif defaults */
 611                 snd_ice1712_delta_cs8403_spdif_write(ice, ice->spdif.cs8403_bits);
 612                 break;
 613         }
 614
 615         /* no analog? */
 616         switch (ice->eeprom.subvendor) {
 617         case ICE1712_SUBDEVICE_DELTA1010:
 618         case ICE1712_SUBDEVICE_DELTA1010E:
 619         case ICE1712_SUBDEVICE_DELTADIO2496:
 620         case ICE1712_SUBDEVICE_MEDIASTATION:
 621                 return 0;
 622         }
 623
 624         /* second stage of initialization, analog parts and others */
 625         ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
 626         if (! ak)
 627                 return -ENOMEM;
 628         ice->akm_codecs = 1;
 629
 630         switch (ice->eeprom.subvendor) {
 631         case ICE1712_SUBDEVICE_AUDIOPHILE:
 632                 err = snd_ice1712_akm4xxx_init(ak, &akm_audiophile, &akm_audiophile_priv, ice);
 633                 break;
 634         case ICE1712_SUBDEVICE_DELTA410:
 635                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta410, &akm_delta410_priv, ice);
 636                 break;
 637         case ICE1712_SUBDEVICE_DELTA1010LT:
 638                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta1010lt, &akm_delta1010lt_priv, ice);
 639                 break;
 640         case ICE1712_SUBDEVICE_DELTA66:
 641         case ICE1712_SUBDEVICE_DELTA44:
 642                 err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice);
 643                 break;
 644         case ICE1712_SUBDEVICE_VX442:
 645         case ICE1712_SUBDEVICE_DELTA66E:
 646                 err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice);
 647                 break;
 648         default:
 649                 snd_BUG();
 650                 return -EINVAL;
 651         }
 652
 653         return err;
 654 }
 655
 656
 657 /*
 658  * additional controls for M-Audio cards
 659  */
 660
 661 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_select __devinitdata =
 662 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_WORD_CLOCK_SELECT, 1, 0);
 663 static struct snd_kcontrol_new snd_ice1712_delta1010lt_wordclock_select __devinitdata =
 664 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "Word Clock Sync", 0, ICE1712_DELTA_1010LT_WORDCLOCK, 0, 0);
 665 static struct snd_kcontrol_new snd_ice1712_delta1010_wordclock_status __devinitdata =
 666 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);
 667 static struct snd_kcontrol_new snd_ice1712_deltadio2496_spdif_in_select __devinitdata =
 668 ICE1712_GPIO(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, ICE1712_DELTA_SPDIF_INPUT_SELECT, 0, 0);
 669 static struct snd_kcontrol_new snd_ice1712_delta_spdif_in_status __devinitdata =
 670 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);
 671
 672
 673 static int __devinit snd_ice1712_delta_add_controls(struct snd_ice1712 *ice)
 674 {
 675         int err;
 676
 677         /* 1010 and dio specific controls */
 678         switch (ice->eeprom.subvendor) {
 679         case ICE1712_SUBDEVICE_DELTA1010:
 680         case ICE1712_SUBDEVICE_MEDIASTATION:
 681                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_select, ice));
 682                 if (err < 0)
 683                         return err;
 684                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010_wordclock_status, ice));
 685                 if (err < 0)
 686                         return err;
 687                 break;
 688         case ICE1712_SUBDEVICE_DELTADIO2496:
 689                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_deltadio2496_spdif_in_select, ice));
 690                 if (err < 0)
 691                         return err;
 692                 break;
 693         case ICE1712_SUBDEVICE_DELTA1010E:
 694         case ICE1712_SUBDEVICE_DELTA1010LT:
 695                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_select, ice));
 696                 if (err < 0)
 697                         return err;
 698                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta1010lt_wordclock_status, ice));
 699                 if (err < 0)
 700                         return err;
 701                 break;
 702         }
 703
 704         /* normal spdif controls */
 705         switch (ice->eeprom.subvendor) {
 706         case ICE1712_SUBDEVICE_DELTA1010:
 707         case ICE1712_SUBDEVICE_DELTADIO2496:
 708         case ICE1712_SUBDEVICE_DELTA66:
 709         case ICE1712_SUBDEVICE_MEDIASTATION:
 710                 err = snd_ice1712_spdif_build_controls(ice);
 711                 if (err < 0)
 712                         return err;
 713                 break;
 714         }
 715
 716         /* spdif status in */
 717         switch (ice->eeprom.subvendor) {
 718         case ICE1712_SUBDEVICE_DELTA1010:
 719         case ICE1712_SUBDEVICE_DELTADIO2496:
 720         case ICE1712_SUBDEVICE_DELTA66:
 721         case ICE1712_SUBDEVICE_MEDIASTATION:
 722                 err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_delta_spdif_in_status, ice));
 723                 if (err < 0)
 724                         return err;
 725                 break;
 726         }
 727
 728         /* ak4524 controls */
 729         switch (ice->eeprom.subvendor) {
 730         case ICE1712_SUBDEVICE_DELTA1010LT:
 731         case ICE1712_SUBDEVICE_AUDIOPHILE:
 732         case ICE1712_SUBDEVICE_DELTA410:
 733         case ICE1712_SUBDEVICE_DELTA44:
 734         case ICE1712_SUBDEVICE_DELTA66:
 735         case ICE1712_SUBDEVICE_VX442:
 736         case ICE1712_SUBDEVICE_DELTA66E:
 737                 err = snd_ice1712_akm4xxx_build_controls(ice);
 738                 if (err < 0)
 739                         return err;
 740                 break;
 741         }
 742
 743         return 0;
 744 }
 745
 746
 747 /* entry point */
 748 struct snd_ice1712_card_info snd_ice1712_delta_cards[] __devinitdata = {
 749         {
 750                 .subvendor = ICE1712_SUBDEVICE_DELTA1010,
 751                 .name = "M Audio Delta 1010",
 752                 .model = "delta1010",
 753                 .chip_init = snd_ice1712_delta_init,
 754                 .build_controls = snd_ice1712_delta_add_controls,
 755         },
 756         {
 757                 .subvendor = ICE1712_SUBDEVICE_DELTADIO2496,
 758                 .name = "M Audio Delta DiO 2496",
 759                 .model = "dio2496",
 760                 .chip_init = snd_ice1712_delta_init,
 761                 .build_controls = snd_ice1712_delta_add_controls,
 762                 .no_mpu401 = 1,
 763         },
 764         {
 765                 .subvendor = ICE1712_SUBDEVICE_DELTA66,
 766                 .name = "M Audio Delta 66",
 767                 .model = "delta66",
 768                 .chip_init = snd_ice1712_delta_init,
 769                 .build_controls = snd_ice1712_delta_add_controls,
 770                 .no_mpu401 = 1,
 771         },
 772         {
 773                 .subvendor = ICE1712_SUBDEVICE_DELTA44,
 774                 .name = "M Audio Delta 44",
 775                 .model = "delta44",
 776                 .chip_init = snd_ice1712_delta_init,
 777                 .build_controls = snd_ice1712_delta_add_controls,
 778                 .no_mpu401 = 1,
 779         },
 780         {
 781                 .subvendor = ICE1712_SUBDEVICE_AUDIOPHILE,
 782                 .name = "M Audio Audiophile 24/96",
 783                 .model = "audiophile",
 784                 .chip_init = snd_ice1712_delta_init,
 785                 .build_controls = snd_ice1712_delta_add_controls,
 786         },
 787         {
 788                 .subvendor = ICE1712_SUBDEVICE_DELTA410,
 789                 .name = "M Audio Delta 410",
 790                 .model = "delta410",
 791                 .chip_init = snd_ice1712_delta_init,
 792                 .build_controls = snd_ice1712_delta_add_controls,
 793         },
 794         {
 795                 .subvendor = ICE1712_SUBDEVICE_DELTA1010LT,
 796                 .name = "M Audio Delta 1010LT",
 797                 .model = "delta1010lt",
 798                 .chip_init = snd_ice1712_delta_init,
 799                 .build_controls = snd_ice1712_delta_add_controls,
 800         },
 801         {
 802                 .subvendor = ICE1712_SUBDEVICE_VX442,
 803                 .name = "Digigram VX442",
 804                 .model = "vx442",
 805                 .chip_init = snd_ice1712_delta_init,
 806                 .build_controls = snd_ice1712_delta_add_controls,
 807                 .no_mpu401 = 1,
 808         },
 809         {
 810                 .subvendor = ICE1712_SUBDEVICE_MEDIASTATION,
 811                 .name = "Lionstracs Mediastation",
 812                 .model = "mediastation",
 813                 .chip_init = snd_ice1712_delta_init,
 814                 .build_controls = snd_ice1712_delta_add_controls,
 815         },
 816         { } /* terminator */
 817 };