sound/i2c/other/ak4xxx-adda.c

   1 /*
   2  *   ALSA driver for AK4524 / AK4528 / AK4529 / AK4355 / AK4358 / AK4381
   3  *   AD and DA converters
   4  *
   5  *      Copyright (c) 2000-2004 Jaroslav Kysela <perex@suse.cz>,
   6  *                              Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  */
  23
  24 #include <sound/driver.h>
  25 #include <asm/io.h>
  26 #include <linux/delay.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/init.h>
  29 #include <sound/core.h>
  30 #include <sound/control.h>
  31 #include <sound/ak4xxx-adda.h>
  32
  33 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
  34 MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
  35 MODULE_LICENSE("GPL");
  36
  37 void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
  38                        unsigned char val)
  39 {
  40         ak->ops.lock(ak, chip);
  41         ak->ops.write(ak, chip, reg, val);
  42
  43         /* save the data */
  44         if (ak->type == SND_AK4524 || ak->type == SND_AK4528) {
  45                 if ((reg != 0x04 && reg != 0x05) || (val & 0x80) == 0)
  46                         snd_akm4xxx_set(ak, chip, reg, val);
  47                 else
  48                         snd_akm4xxx_set_ipga(ak, chip, reg, val);
  49         } else {
  50                 /* AK4529, or else */
  51                 snd_akm4xxx_set(ak, chip, reg, val);
  52         }
  53         ak->ops.unlock(ak, chip);
  54 }
  55
  56 EXPORT_SYMBOL(snd_akm4xxx_write);
  57
  58 /* reset procedure for AK4524 and AK4528 */
  59 static void ak4524_reset(struct snd_akm4xxx *ak, int state)
  60 {
  61         unsigned int chip;
  62         unsigned char reg, maxreg;
  63
  64         if (ak->type == SND_AK4528)
  65                 maxreg = 0x06;
  66         else
  67                 maxreg = 0x08;
  68         for (chip = 0; chip < ak->num_dacs/2; chip++) {
  69                 snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
  70                 if (state)
  71                         continue;
  72                 /* DAC volumes */
  73                 for (reg = 0x04; reg < maxreg; reg++)
  74                         snd_akm4xxx_write(ak, chip, reg,
  75                                           snd_akm4xxx_get(ak, chip, reg));
  76                 if (ak->type == SND_AK4528)
  77                         continue;
  78                 /* IPGA */
  79                 for (reg = 0x04; reg < 0x06; reg++)
  80                         snd_akm4xxx_write(ak, chip, reg,
  81                                           snd_akm4xxx_get_ipga(ak, chip, reg));
  82         }
  83 }
  84
  85 /* reset procedure for AK4355 and AK4358 */
  86 static void ak4355_reset(struct snd_akm4xxx *ak, int state)
  87 {
  88         unsigned char reg;
  89
  90         if (state) {
  91                 snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
  92                 return;
  93         }
  94         for (reg = 0x00; reg < 0x0b; reg++)
  95                 if (reg != 0x01)
  96                         snd_akm4xxx_write(ak, 0, reg,
  97                                           snd_akm4xxx_get(ak, 0, reg));
  98         snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
  99 }
 100
 101 /* reset procedure for AK4381 */
 102 static void ak4381_reset(struct snd_akm4xxx *ak, int state)
 103 {
 104         unsigned int chip;
 105         unsigned char reg;
 106
 107         for (chip = 0; chip < ak->num_dacs/2; chip++) {
 108                 snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
 109                 if (state)
 110                         continue;
 111                 for (reg = 0x01; reg < 0x05; reg++)
 112                         snd_akm4xxx_write(ak, chip, reg,
 113                                           snd_akm4xxx_get(ak, chip, reg));
 114         }
 115 }
 116
 117 /*
 118  * reset the AKM codecs
 119  * @state: 1 = reset codec, 0 = restore the registers
 120  *
 121  * assert the reset operation and restores the register values to the chips.
 122  */
 123 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
 124 {
 125         switch (ak->type) {
 126         case SND_AK4524:
 127         case SND_AK4528:
 128                 ak4524_reset(ak, state);
 129                 break;
 130         case SND_AK4529:
 131                 /* FIXME: needed for ak4529? */
 132                 break;
 133         case SND_AK4355:
 134         case SND_AK4358:
 135                 ak4355_reset(ak, state);
 136                 break;
 137         case SND_AK4381:
 138                 ak4381_reset(ak, state);
 139                 break;
 140         }
 141 }
 142
 143 EXPORT_SYMBOL(snd_akm4xxx_reset);
 144
 145 /*
 146  * initialize all the ak4xxx chips
 147  */
 148 void snd_akm4xxx_init(struct snd_akm4xxx *ak)
 149 {
 150         static unsigned char inits_ak4524[] = {
 151                 0x00, 0x07, /* 0: all power up */
 152                 0x01, 0x00, /* 1: ADC/DAC reset */
 153                 0x02, 0x60, /* 2: 24bit I2S */
 154                 0x03, 0x19, /* 3: deemphasis off */
 155                 0x01, 0x03, /* 1: ADC/DAC enable */
 156                 0x04, 0x00, /* 4: ADC left muted */
 157                 0x05, 0x00, /* 5: ADC right muted */
 158                 0x04, 0x80, /* 4: ADC IPGA gain 0dB */
 159                 0x05, 0x80, /* 5: ADC IPGA gain 0dB */
 160                 0x06, 0x00, /* 6: DAC left muted */
 161                 0x07, 0x00, /* 7: DAC right muted */
 162                 0xff, 0xff
 163         };
 164         static unsigned char inits_ak4528[] = {
 165                 0x00, 0x07, /* 0: all power up */
 166                 0x01, 0x00, /* 1: ADC/DAC reset */
 167                 0x02, 0x60, /* 2: 24bit I2S */
 168                 0x03, 0x0d, /* 3: deemphasis off, turn LR highpass filters on */
 169                 0x01, 0x03, /* 1: ADC/DAC enable */
 170                 0x04, 0x00, /* 4: ADC left muted */
 171                 0x05, 0x00, /* 5: ADC right muted */
 172                 0xff, 0xff
 173         };
 174         static unsigned char inits_ak4529[] = {
 175                 0x09, 0x01, /* 9: ATS=0, RSTN=1 */
 176                 0x0a, 0x3f, /* A: all power up, no zero/overflow detection */
 177                 0x00, 0x0c, /* 0: TDM=0, 24bit I2S, SMUTE=0 */
 178                 0x01, 0x00, /* 1: ACKS=0, ADC, loop off */
 179                 0x02, 0xff, /* 2: LOUT1 muted */
 180                 0x03, 0xff, /* 3: ROUT1 muted */
 181                 0x04, 0xff, /* 4: LOUT2 muted */
 182                 0x05, 0xff, /* 5: ROUT2 muted */
 183                 0x06, 0xff, /* 6: LOUT3 muted */
 184                 0x07, 0xff, /* 7: ROUT3 muted */
 185                 0x0b, 0xff, /* B: LOUT4 muted */
 186                 0x0c, 0xff, /* C: ROUT4 muted */
 187                 0x08, 0x55, /* 8: deemphasis all off */
 188                 0xff, 0xff
 189         };
 190         static unsigned char inits_ak4355[] = {
 191                 0x01, 0x02, /* 1: reset and soft-mute */
 192                 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
 193                              * disable DZF, sharp roll-off, RSTN#=0 */
 194                 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
 195                 // 0x02, 0x2e, /* quad speed */
 196                 0x03, 0x01, /* 3: de-emphasis off */
 197                 0x04, 0x00, /* 4: LOUT1 volume muted */
 198                 0x05, 0x00, /* 5: ROUT1 volume muted */
 199                 0x06, 0x00, /* 6: LOUT2 volume muted */
 200                 0x07, 0x00, /* 7: ROUT2 volume muted */
 201                 0x08, 0x00, /* 8: LOUT3 volume muted */
 202                 0x09, 0x00, /* 9: ROUT3 volume muted */
 203                 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
 204                 0x01, 0x01, /* 1: un-reset, unmute */
 205                 0xff, 0xff
 206         };
 207         static unsigned char inits_ak4358[] = {
 208                 0x01, 0x02, /* 1: reset and soft-mute */
 209                 0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
 210                              * disable DZF, sharp roll-off, RSTN#=0 */
 211                 0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
 212                 // 0x02, 0x2e, /* quad speed */
 213                 0x03, 0x01, /* 3: de-emphasis off */
 214                 0x04, 0x00, /* 4: LOUT1 volume muted */
 215                 0x05, 0x00, /* 5: ROUT1 volume muted */
 216                 0x06, 0x00, /* 6: LOUT2 volume muted */
 217                 0x07, 0x00, /* 7: ROUT2 volume muted */
 218                 0x08, 0x00, /* 8: LOUT3 volume muted */
 219                 0x09, 0x00, /* 9: ROUT3 volume muted */
 220                 0x0b, 0x00, /* b: LOUT4 volume muted */
 221                 0x0c, 0x00, /* c: ROUT4 volume muted */
 222                 0x0a, 0x00, /* a: DATT speed=0, ignore DZF */
 223                 0x01, 0x01, /* 1: un-reset, unmute */
 224                 0xff, 0xff
 225         };
 226         static unsigned char inits_ak4381[] = {
 227                 0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
 228                 0x01, 0x02, /* 1: de-emphasis off, normal speed,
 229                              * sharp roll-off, DZF off */
 230                 // 0x01, 0x12, /* quad speed */
 231                 0x02, 0x00, /* 2: DZF disabled */
 232                 0x03, 0x00, /* 3: LATT 0 */
 233                 0x04, 0x00, /* 4: RATT 0 */
 234                 0x00, 0x0f, /* 0: power-up, un-reset */
 235                 0xff, 0xff
 236         };
 237
 238         int chip, num_chips;
 239         unsigned char *ptr, reg, data, *inits;
 240
 241         switch (ak->type) {
 242         case SND_AK4524:
 243                 inits = inits_ak4524;
 244                 num_chips = ak->num_dacs / 2;
 245                 break;
 246         case SND_AK4528:
 247                 inits = inits_ak4528;
 248                 num_chips = ak->num_dacs / 2;
 249                 break;
 250         case SND_AK4529:
 251                 inits = inits_ak4529;
 252                 num_chips = 1;
 253                 break;
 254         case SND_AK4355:
 255                 inits = inits_ak4355;
 256                 num_chips = 1;
 257                 break;
 258         case SND_AK4358:
 259                 inits = inits_ak4358;
 260                 num_chips = 1;
 261                 break;
 262         case SND_AK4381:
 263                 inits = inits_ak4381;
 264                 num_chips = ak->num_dacs / 2;
 265                 break;
 266         default:
 267                 snd_BUG();
 268                 return;
 269         }
 270
 271         for (chip = 0; chip < num_chips; chip++) {
 272                 ptr = inits;
 273                 while (*ptr != 0xff) {
 274                         reg = *ptr++;
 275                         data = *ptr++;
 276                         snd_akm4xxx_write(ak, chip, reg, data);
 277                 }
 278         }
 279 }
 280
 281 EXPORT_SYMBOL(snd_akm4xxx_init);
 282
 283 #define AK_GET_CHIP(val)                (((val) >> 8) & 0xff)
 284 #define AK_GET_ADDR(val)                ((val) & 0xff)
 285 #define AK_GET_SHIFT(val)               (((val) >> 16) & 0x7f)
 286 #define AK_GET_INVERT(val)              (((val) >> 23) & 1)
 287 #define AK_GET_MASK(val)                (((val) >> 24) & 0xff)
 288 #define AK_COMPOSE(chip,addr,shift,mask) \
 289         (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
 290 #define AK_INVERT                       (1<<23)
 291
 292 static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
 293                                    struct snd_ctl_elem_info *uinfo)
 294 {
 295         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
 296
 297         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 298         uinfo->count = 1;
 299         uinfo->value.integer.min = 0;
 300         uinfo->value.integer.max = mask;
 301         return 0;
 302 }
 303
 304 static int snd_akm4xxx_volume_get(struct snd_kcontrol *kcontrol,
 305                                   struct snd_ctl_elem_value *ucontrol)
 306 {
 307         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 308         int chip = AK_GET_CHIP(kcontrol->private_value);
 309         int addr = AK_GET_ADDR(kcontrol->private_value);
 310         int invert = AK_GET_INVERT(kcontrol->private_value);
 311         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
 312         unsigned char val = snd_akm4xxx_get(ak, chip, addr);
 313
 314         ucontrol->value.integer.value[0] = invert ? mask - val : val;
 315         return 0;
 316 }
 317
 318 static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
 319                                   struct snd_ctl_elem_value *ucontrol)
 320 {
 321         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 322         int chip = AK_GET_CHIP(kcontrol->private_value);
 323         int addr = AK_GET_ADDR(kcontrol->private_value);
 324         int invert = AK_GET_INVERT(kcontrol->private_value);
 325         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
 326         unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
 327         int change;
 328
 329         if (invert)
 330                 nval = mask - nval;
 331         change = snd_akm4xxx_get(ak, chip, addr) != nval;
 332         if (change)
 333                 snd_akm4xxx_write(ak, chip, addr, nval);
 334         return change;
 335 }
 336
 337 static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
 338                                           struct snd_ctl_elem_info *uinfo)
 339 {
 340         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
 341
 342         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 343         uinfo->count = 2;
 344         uinfo->value.integer.min = 0;
 345         uinfo->value.integer.max = mask;
 346         return 0;
 347 }
 348
 349 static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
 350                                          struct snd_ctl_elem_value *ucontrol)
 351 {
 352         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 353         int chip = AK_GET_CHIP(kcontrol->private_value);
 354         int addr = AK_GET_ADDR(kcontrol->private_value);
 355         int invert = AK_GET_INVERT(kcontrol->private_value);
 356         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
 357         unsigned char val = snd_akm4xxx_get(ak, chip, addr);
 358
 359         ucontrol->value.integer.value[0] = invert ? mask - val : val;
 360
 361         val = snd_akm4xxx_get(ak, chip, addr+1);
 362         ucontrol->value.integer.value[1] = invert ? mask - val : val;
 363
 364         return 0;
 365 }
 366
 367 static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
 368                                          struct snd_ctl_elem_value *ucontrol)
 369 {
 370         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 371         int chip = AK_GET_CHIP(kcontrol->private_value);
 372         int addr = AK_GET_ADDR(kcontrol->private_value);
 373         int invert = AK_GET_INVERT(kcontrol->private_value);
 374         unsigned int mask = AK_GET_MASK(kcontrol->private_value);
 375         unsigned char nval = ucontrol->value.integer.value[0] % (mask+1);
 376         int change0, change1;
 377
 378         if (invert)
 379                 nval = mask - nval;
 380         change0 = snd_akm4xxx_get(ak, chip, addr) != nval;
 381         if (change0)
 382                 snd_akm4xxx_write(ak, chip, addr, nval);
 383
 384         nval = ucontrol->value.integer.value[1] % (mask+1);
 385         if (invert)
 386                 nval = mask - nval;
 387         change1 = snd_akm4xxx_get(ak, chip, addr+1) != nval;
 388         if (change1)
 389                 snd_akm4xxx_write(ak, chip, addr+1, nval);
 390
 391
 392         return change0 || change1;
 393 }
 394
 395 static int snd_akm4xxx_ipga_gain_info(struct snd_kcontrol *kcontrol,
 396                                       struct snd_ctl_elem_info *uinfo)
 397 {
 398         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 399         uinfo->count = 1;
 400         uinfo->value.integer.min = 0;
 401         uinfo->value.integer.max = 36;
 402         return 0;
 403 }
 404
 405 static int snd_akm4xxx_ipga_gain_get(struct snd_kcontrol *kcontrol,
 406                                      struct snd_ctl_elem_value *ucontrol)
 407 {
 408         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 409         int chip = AK_GET_CHIP(kcontrol->private_value);
 410         int addr = AK_GET_ADDR(kcontrol->private_value);
 411         ucontrol->value.integer.value[0] =
 412                 snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
 413         return 0;
 414 }
 415
 416 static int snd_akm4xxx_ipga_gain_put(struct snd_kcontrol *kcontrol,
 417                                      struct snd_ctl_elem_value *ucontrol)
 418 {
 419         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 420         int chip = AK_GET_CHIP(kcontrol->private_value);
 421         int addr = AK_GET_ADDR(kcontrol->private_value);
 422         unsigned char nval = (ucontrol->value.integer.value[0] % 37) | 0x80;
 423         int change = snd_akm4xxx_get_ipga(ak, chip, addr) != nval;
 424         if (change)
 425                 snd_akm4xxx_write(ak, chip, addr, nval);
 426         return change;
 427 }
 428
 429 static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
 430                                        struct snd_ctl_elem_info *uinfo)
 431 {
 432         static char *texts[4] = {
 433                 "44.1kHz", "Off", "48kHz", "32kHz",
 434         };
 435         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 436         uinfo->count = 1;
 437         uinfo->value.enumerated.items = 4;
 438         if (uinfo->value.enumerated.item >= 4)
 439                 uinfo->value.enumerated.item = 3;
 440         strcpy(uinfo->value.enumerated.name,
 441                texts[uinfo->value.enumerated.item]);
 442         return 0;
 443 }
 444
 445 static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
 446                                       struct snd_ctl_elem_value *ucontrol)
 447 {
 448         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 449         int chip = AK_GET_CHIP(kcontrol->private_value);
 450         int addr = AK_GET_ADDR(kcontrol->private_value);
 451         int shift = AK_GET_SHIFT(kcontrol->private_value);
 452         ucontrol->value.enumerated.item[0] =
 453                 (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
 454         return 0;
 455 }
 456
 457 static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
 458                                       struct snd_ctl_elem_value *ucontrol)
 459 {
 460         struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 461         int chip = AK_GET_CHIP(kcontrol->private_value);
 462         int addr = AK_GET_ADDR(kcontrol->private_value);
 463         int shift = AK_GET_SHIFT(kcontrol->private_value);
 464         unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
 465         int change;
 466
 467         nval = (nval << shift) |
 468                 (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
 469         change = snd_akm4xxx_get(ak, chip, addr) != nval;
 470         if (change)
 471                 snd_akm4xxx_write(ak, chip, addr, nval);
 472         return change;
 473 }
 474
 475 /*
 476  * build AK4xxx controls
 477  */
 478
 479 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
 480 {
 481         unsigned int idx, num_emphs;
 482         struct snd_kcontrol *ctl;
 483         int err;
 484         int mixer_ch = 0;
 485         int num_stereo;
 486
 487         ctl = kmalloc(sizeof(*ctl), GFP_KERNEL);
 488         if (! ctl)
 489                 return -ENOMEM;
 490
 491         for (idx = 0; idx < ak->num_dacs; ) {
 492                 memset(ctl, 0, sizeof(*ctl));
 493                 if (ak->channel_names == NULL) {
 494                         strcpy(ctl->id.name, "DAC Volume");
 495                         num_stereo = 1;
 496                         ctl->id.index = mixer_ch + ak->idx_offset * 2;
 497                 } else {
 498                         strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
 499                         num_stereo = ak->num_stereo[mixer_ch];
 500                         ctl->id.index = 0;
 501                 }
 502                 ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 503                 ctl->count = 1;
 504                 if (num_stereo == 2) {
 505                         ctl->info = snd_akm4xxx_stereo_volume_info;
 506                         ctl->get = snd_akm4xxx_stereo_volume_get;
 507                         ctl->put = snd_akm4xxx_stereo_volume_put;
 508                 } else {
 509                         ctl->info = snd_akm4xxx_volume_info;
 510                         ctl->get = snd_akm4xxx_volume_get;
 511                         ctl->put = snd_akm4xxx_volume_put;
 512                 }
 513                 switch (ak->type) {
 514                 case SND_AK4524:
 515                         /* register 6 & 7 */
 516                         ctl->private_value =
 517                                 AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127);
 518                         break;
 519                 case SND_AK4528:
 520                         /* register 4 & 5 */
 521                         ctl->private_value =
 522                                 AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
 523                         break;
 524                 case SND_AK4529: {
 525                         /* registers 2-7 and b,c */
 526                         int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
 527                         ctl->private_value =
 528                                 AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
 529                         break;
 530                 }
 531                 case SND_AK4355:
 532                         /* register 4-9, chip #0 only */
 533                         ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255);
 534                         break;
 535                 case SND_AK4358:
 536                         if (idx >= 6)
 537                                 /* register 4-9, chip #0 only */
 538                                 ctl->private_value =
 539                                         AK_COMPOSE(0, idx + 5, 0, 255);
 540                         else
 541                                 /* register 4-9, chip #0 only */
 542                                 ctl->private_value =
 543                                         AK_COMPOSE(0, idx + 4, 0, 255);
 544                         break;
 545                 case SND_AK4381:
 546                         /* register 3 & 4 */
 547                         ctl->private_value =
 548                                 AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
 549                         break;
 550                 default:
 551                         err = -EINVAL;
 552                         goto __error;
 553                 }
 554
 555                 ctl->private_data = ak;
 556                 err = snd_ctl_add(ak->card,
 557                                   snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
 558                                               SNDRV_CTL_ELEM_ACCESS_WRITE));
 559                 if (err < 0)
 560                         goto __error;
 561
 562                 idx += num_stereo;
 563                 mixer_ch++;
 564         }
 565         for (idx = 0; idx < ak->num_adcs && ak->type == SND_AK4524; ++idx) {
 566                 memset(ctl, 0, sizeof(*ctl));
 567                 strcpy(ctl->id.name, "ADC Volume");
 568                 ctl->id.index = idx + ak->idx_offset * 2;
 569                 ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 570                 ctl->count = 1;
 571                 ctl->info = snd_akm4xxx_volume_info;
 572                 ctl->get = snd_akm4xxx_volume_get;
 573                 ctl->put = snd_akm4xxx_volume_put;
 574                 /* register 4 & 5 */
 575                 ctl->private_value =
 576                         AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
 577                 ctl->private_data = ak;
 578                 err = snd_ctl_add(ak->card,
 579                                   snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
 580                                               SNDRV_CTL_ELEM_ACCESS_WRITE));
 581                 if (err < 0)
 582                         goto __error;
 583
 584                 memset(ctl, 0, sizeof(*ctl));
 585                 strcpy(ctl->id.name, "IPGA Analog Capture Volume");
 586                 ctl->id.index = idx + ak->idx_offset * 2;
 587                 ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 588                 ctl->count = 1;
 589                 ctl->info = snd_akm4xxx_ipga_gain_info;
 590                 ctl->get = snd_akm4xxx_ipga_gain_get;
 591                 ctl->put = snd_akm4xxx_ipga_gain_put;
 592                 /* register 4 & 5 */
 593                 ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0);
 594                 ctl->private_data = ak;
 595                 err = snd_ctl_add(ak->card,
 596                                   snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
 597                                               SNDRV_CTL_ELEM_ACCESS_WRITE));
 598                 if (err < 0)
 599                         goto __error;
 600         }
 601
 602         if (ak->type == SND_AK5365) {
 603                 memset(ctl, 0, sizeof(*ctl));
 604                 if (ak->channel_names == NULL)
 605                         strcpy(ctl->id.name, "Capture Volume");
 606                 else
 607                         strcpy(ctl->id.name, ak->channel_names[0]);
 608                 ctl->id.index = ak->idx_offset * 2;
 609                 ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 610                 ctl->count = 1;
 611                 ctl->info = snd_akm4xxx_stereo_volume_info;
 612                 ctl->get = snd_akm4xxx_stereo_volume_get;
 613                 ctl->put = snd_akm4xxx_stereo_volume_put;
 614                 /* Registers 4 & 5 (see AK5365 data sheet, pages 34 and 35):
 615                  * valid values are from 0x00 (mute) to 0x98 (+12dB).  */
 616                 ctl->private_value =
 617                         AK_COMPOSE(0, 4, 0, 0x98);
 618                 ctl->private_data = ak;
 619                 err = snd_ctl_add(ak->card,
 620                                   snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
 621                                               SNDRV_CTL_ELEM_ACCESS_WRITE));
 622                 if (err < 0)
 623                         goto __error;
 624         }
 625
 626         if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
 627                 num_emphs = 1;
 628         else
 629                 num_emphs = ak->num_dacs / 2;
 630         for (idx = 0; idx < num_emphs; idx++) {
 631                 memset(ctl, 0, sizeof(*ctl));
 632                 strcpy(ctl->id.name, "Deemphasis");
 633                 ctl->id.index = idx + ak->idx_offset;
 634                 ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 635                 ctl->count = 1;
 636                 ctl->info = snd_akm4xxx_deemphasis_info;
 637                 ctl->get = snd_akm4xxx_deemphasis_get;
 638                 ctl->put = snd_akm4xxx_deemphasis_put;
 639                 switch (ak->type) {
 640                 case SND_AK4524:
 641                 case SND_AK4528:
 642                         /* register 3 */
 643                         ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
 644                         break;
 645                 case SND_AK4529: {
 646                         int shift = idx == 3 ? 6 : (2 - idx) * 2;
 647                         /* register 8 with shift */
 648                         ctl->private_value = AK_COMPOSE(0, 8, shift, 0);
 649                         break;
 650                 }
 651                 case SND_AK4355:
 652                 case SND_AK4358:
 653                         ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
 654                         break;
 655                 case SND_AK4381:
 656                         ctl->private_value = AK_COMPOSE(idx, 1, 1, 0);
 657                         break;
 658                 }
 659                 ctl->private_data = ak;
 660                 err = snd_ctl_add(ak->card,
 661                                   snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
 662                                               SNDRV_CTL_ELEM_ACCESS_WRITE));
 663                 if (err < 0)
 664                         goto __error;
 665         }
 666         err = 0;
 667
 668  __error:
 669         kfree(ctl);
 670         return err;
 671 }
 672
 673 EXPORT_SYMBOL(snd_akm4xxx_build_controls);
 674
 675 static int __init alsa_akm4xxx_module_init(void)
 676 {
 677         return 0;
 678 }
 679
 680 static void __exit alsa_akm4xxx_module_exit(void)
 681 {
 682 }
 683
 684 module_init(alsa_akm4xxx_module_init)
 685 module_exit(alsa_akm4xxx_module_exit)