sound/pci/ice1712/maya44.c

   1 /*
   2  *   ALSA driver for ICEnsemble VT1724 (Envy24HT)
   3  *
   4  *   Lowlevel functions for ESI Maya44 cards
   5  *
   6  *      Copyright (c) 2009 Takashi Iwai <tiwai@suse.de>
   7  *      Based on the patches by Rainer Zimmermann <mail@lightshed.de>
   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 <linux/init.h>
  26 #include <linux/slab.h>
  27 #include <sound/core.h>
  28 #include <sound/control.h>
  29 #include <sound/pcm.h>
  30 #include <sound/tlv.h>
  31
  32 #include "ice1712.h"
  33 #include "envy24ht.h"
  34 #include "maya44.h"
  35
  36 /* WM8776 register indexes */
  37 #define WM8776_REG_HEADPHONE_L          0x00
  38 #define WM8776_REG_HEADPHONE_R          0x01
  39 #define WM8776_REG_HEADPHONE_MASTER     0x02
  40 #define WM8776_REG_DAC_ATTEN_L          0x03
  41 #define WM8776_REG_DAC_ATTEN_R          0x04
  42 #define WM8776_REG_DAC_ATTEN_MASTER     0x05
  43 #define WM8776_REG_DAC_PHASE            0x06
  44 #define WM8776_REG_DAC_CONTROL          0x07
  45 #define WM8776_REG_DAC_MUTE             0x08
  46 #define WM8776_REG_DAC_DEEMPH           0x09
  47 #define WM8776_REG_DAC_IF_CONTROL       0x0a
  48 #define WM8776_REG_ADC_IF_CONTROL       0x0b
  49 #define WM8776_REG_MASTER_MODE_CONTROL  0x0c
  50 #define WM8776_REG_POWERDOWN            0x0d
  51 #define WM8776_REG_ADC_ATTEN_L          0x0e
  52 #define WM8776_REG_ADC_ATTEN_R          0x0f
  53 #define WM8776_REG_ADC_ALC1             0x10
  54 #define WM8776_REG_ADC_ALC2             0x11
  55 #define WM8776_REG_ADC_ALC3             0x12
  56 #define WM8776_REG_ADC_NOISE_GATE       0x13
  57 #define WM8776_REG_ADC_LIMITER          0x14
  58 #define WM8776_REG_ADC_MUX              0x15
  59 #define WM8776_REG_OUTPUT_MUX           0x16
  60 #define WM8776_REG_RESET                0x17
  61
  62 #define WM8776_NUM_REGS                 0x18
  63
  64 /* clock ratio identifiers for snd_wm8776_set_rate() */
  65 #define WM8776_CLOCK_RATIO_128FS        0
  66 #define WM8776_CLOCK_RATIO_192FS        1
  67 #define WM8776_CLOCK_RATIO_256FS        2
  68 #define WM8776_CLOCK_RATIO_384FS        3
  69 #define WM8776_CLOCK_RATIO_512FS        4
  70 #define WM8776_CLOCK_RATIO_768FS        5
  71
  72 enum { WM_VOL_HP, WM_VOL_DAC, WM_VOL_ADC, WM_NUM_VOLS };
  73 enum { WM_SW_DAC, WM_SW_BYPASS, WM_NUM_SWITCHES };
  74
  75 struct snd_wm8776 {
  76         unsigned char addr;
  77         unsigned short regs[WM8776_NUM_REGS];
  78         unsigned char volumes[WM_NUM_VOLS][2];
  79         unsigned int switch_bits;
  80 };
  81
  82 struct snd_maya44 {
  83         struct snd_ice1712 *ice;
  84         struct snd_wm8776 wm[2];
  85         struct mutex mutex;
  86 };
  87
  88
  89 /* write the given register and save the data to the cache */
  90 static void wm8776_write(struct snd_ice1712 *ice, struct snd_wm8776 *wm,
  91                          unsigned char reg, unsigned short val)
  92 {
  93         /*
  94          * WM8776 registers are up to 9 bits wide, bit 8 is placed in the LSB
  95          * of the address field
  96          */
  97         snd_vt1724_write_i2c(ice, wm->addr,
  98                              (reg << 1) | ((val >> 8) & 1),
  99                              val & 0xff);
 100         wm->regs[reg] = val;
 101 }
 102
 103 /*
 104  * update the given register with and/or mask and save the data to the cache
 105  */
 106 static int wm8776_write_bits(struct snd_ice1712 *ice, struct snd_wm8776 *wm,
 107                              unsigned char reg,
 108                              unsigned short mask, unsigned short val)
 109 {
 110         val |= wm->regs[reg] & ~mask;
 111         if (val != wm->regs[reg]) {
 112                 wm8776_write(ice, wm, reg, val);
 113                 return 1;
 114         }
 115         return 0;
 116 }
 117
 118
 119 /*
 120  * WM8776 volume controls
 121  */
 122
 123 struct maya_vol_info {
 124         unsigned int maxval;            /* volume range: 0..maxval */
 125         unsigned char regs[2];          /* left and right registers */
 126         unsigned short mask;            /* value mask */
 127         unsigned short offset;          /* zero-value offset */
 128         unsigned short mute;            /* mute bit */
 129         unsigned short update;          /* update bits */
 130         unsigned char mux_bits[2];      /* extra bits for ADC mute */
 131 };
 132
 133 static struct maya_vol_info vol_info[WM_NUM_VOLS] = {
 134         [WM_VOL_HP] = {
 135                 .maxval = 80,
 136                 .regs = { WM8776_REG_HEADPHONE_L, WM8776_REG_HEADPHONE_R },
 137                 .mask = 0x7f,
 138                 .offset = 0x30,
 139                 .mute = 0x00,
 140                 .update = 0x180,        /* update and zero-cross enable */
 141         },
 142         [WM_VOL_DAC] = {
 143                 .maxval = 255,
 144                 .regs = { WM8776_REG_DAC_ATTEN_L, WM8776_REG_DAC_ATTEN_R },
 145                 .mask = 0xff,
 146                 .offset = 0x01,
 147                 .mute = 0x00,
 148                 .update = 0x100,        /* zero-cross enable */
 149         },
 150         [WM_VOL_ADC] = {
 151                 .maxval = 91,
 152                 .regs = { WM8776_REG_ADC_ATTEN_L, WM8776_REG_ADC_ATTEN_R },
 153                 .mask = 0xff,
 154                 .offset = 0xa5,
 155                 .mute = 0xa5,
 156                 .update = 0x100,        /* update */
 157                 .mux_bits = { 0x80, 0x40 }, /* ADCMUX bits */
 158         },
 159 };
 160
 161 /*
 162  * dB tables
 163  */
 164 /* headphone output: mute, -73..+6db (1db step) */
 165 static const DECLARE_TLV_DB_SCALE(db_scale_hp, -7400, 100, 1);
 166 /* DAC output: mute, -127..0db (0.5db step) */
 167 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -12750, 50, 1);
 168 /* ADC gain: mute, -21..+24db (0.5db step) */
 169 static const DECLARE_TLV_DB_SCALE(db_scale_adc, -2100, 50, 1);
 170
 171 static int maya_vol_info(struct snd_kcontrol *kcontrol,
 172                          struct snd_ctl_elem_info *uinfo)
 173 {
 174         unsigned int idx = kcontrol->private_value;
 175         struct maya_vol_info *vol = &vol_info[idx];
 176
 177         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 178         uinfo->count = 2;
 179         uinfo->value.integer.min = 0;
 180         uinfo->value.integer.max = vol->maxval;
 181         return 0;
 182 }
 183
 184 static int maya_vol_get(struct snd_kcontrol *kcontrol,
 185                         struct snd_ctl_elem_value *ucontrol)
 186 {
 187         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 188         struct snd_wm8776 *wm =
 189                 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
 190         unsigned int idx = kcontrol->private_value;
 191
 192         mutex_lock(&chip->mutex);
 193         ucontrol->value.integer.value[0] = wm->volumes[idx][0];
 194         ucontrol->value.integer.value[1] = wm->volumes[idx][1];
 195         mutex_unlock(&chip->mutex);
 196         return 0;
 197 }
 198
 199 static int maya_vol_put(struct snd_kcontrol *kcontrol,
 200                         struct snd_ctl_elem_value *ucontrol)
 201 {
 202         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 203         struct snd_wm8776 *wm =
 204                 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
 205         unsigned int idx = kcontrol->private_value;
 206         struct maya_vol_info *vol = &vol_info[idx];
 207         unsigned int val, data;
 208         int ch, changed = 0;
 209
 210         mutex_lock(&chip->mutex);
 211         for (ch = 0; ch < 2; ch++) {
 212                 val = ucontrol->value.integer.value[ch];
 213                 if (val > vol->maxval)
 214                         val = vol->maxval;
 215                 if (val == wm->volumes[idx][ch])
 216                         continue;
 217                 if (!val)
 218                         data = vol->mute;
 219                 else
 220                         data = (val - 1) + vol->offset;
 221                 data |= vol->update;
 222                 changed |= wm8776_write_bits(chip->ice, wm, vol->regs[ch],
 223                                              vol->mask | vol->update, data);
 224                 if (vol->mux_bits[ch])
 225                         wm8776_write_bits(chip->ice, wm, WM8776_REG_ADC_MUX,
 226                                           vol->mux_bits[ch],
 227                                           val ? 0 : vol->mux_bits[ch]);
 228                 wm->volumes[idx][ch] = val;
 229         }
 230         mutex_unlock(&chip->mutex);
 231         return changed;
 232 }
 233
 234 /*
 235  * WM8776 switch controls
 236  */
 237
 238 #define COMPOSE_SW_VAL(idx, reg, mask)  ((idx) | ((reg) << 8) | ((mask) << 16))
 239 #define GET_SW_VAL_IDX(val)     ((val) & 0xff)
 240 #define GET_SW_VAL_REG(val)     (((val) >> 8) & 0xff)
 241 #define GET_SW_VAL_MASK(val)    (((val) >> 16) & 0xff)
 242
 243 #define maya_sw_info    snd_ctl_boolean_mono_info
 244
 245 static int maya_sw_get(struct snd_kcontrol *kcontrol,
 246                        struct snd_ctl_elem_value *ucontrol)
 247 {
 248         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 249         struct snd_wm8776 *wm =
 250                 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
 251         unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value);
 252
 253         ucontrol->value.integer.value[0] = (wm->switch_bits >> idx) & 1;
 254         return 0;
 255 }
 256
 257 static int maya_sw_put(struct snd_kcontrol *kcontrol,
 258                        struct snd_ctl_elem_value *ucontrol)
 259 {
 260         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 261         struct snd_wm8776 *wm =
 262                 &chip->wm[snd_ctl_get_ioff(kcontrol, &ucontrol->id)];
 263         unsigned int idx = GET_SW_VAL_IDX(kcontrol->private_value);
 264         unsigned int mask, val;
 265         int changed;
 266
 267         mutex_lock(&chip->mutex);
 268         mask = 1 << idx;
 269         wm->switch_bits &= ~mask;
 270         val = ucontrol->value.integer.value[0];
 271         if (val)
 272                 wm->switch_bits |= mask;
 273         mask = GET_SW_VAL_MASK(kcontrol->private_value);
 274         changed = wm8776_write_bits(chip->ice, wm,
 275                                     GET_SW_VAL_REG(kcontrol->private_value),
 276                                     mask, val ? mask : 0);
 277         mutex_unlock(&chip->mutex);
 278         return changed;
 279 }
 280
 281 /*
 282  * GPIO pins (known ones for maya44)
 283  */
 284 #define GPIO_PHANTOM_OFF        2
 285 #define GPIO_MIC_RELAY          4
 286 #define GPIO_SPDIF_IN_INV       5
 287 #define GPIO_MUST_BE_0          7
 288
 289 /*
 290  * GPIO switch controls
 291  */
 292
 293 #define COMPOSE_GPIO_VAL(shift, inv)    ((shift) | ((inv) << 8))
 294 #define GET_GPIO_VAL_SHIFT(val)         ((val) & 0xff)
 295 #define GET_GPIO_VAL_INV(val)           (((val) >> 8) & 1)
 296
 297 static int maya_set_gpio_bits(struct snd_ice1712 *ice, unsigned int mask,
 298                               unsigned int bits)
 299 {
 300         unsigned int data;
 301         data = snd_ice1712_gpio_read(ice);
 302         if ((data & mask) == bits)
 303                 return 0;
 304         snd_ice1712_gpio_write(ice, (data & ~mask) | bits);
 305         return 1;
 306 }
 307
 308 #define maya_gpio_sw_info       snd_ctl_boolean_mono_info
 309
 310 static int maya_gpio_sw_get(struct snd_kcontrol *kcontrol,
 311                             struct snd_ctl_elem_value *ucontrol)
 312 {
 313         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 314         unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value);
 315         unsigned int val;
 316
 317         val = (snd_ice1712_gpio_read(chip->ice) >> shift) & 1;
 318         if (GET_GPIO_VAL_INV(kcontrol->private_value))
 319                 val = !val;
 320         ucontrol->value.integer.value[0] = val;
 321         return 0;
 322 }
 323
 324 static int maya_gpio_sw_put(struct snd_kcontrol *kcontrol,
 325                             struct snd_ctl_elem_value *ucontrol)
 326 {
 327         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 328         unsigned int shift = GET_GPIO_VAL_SHIFT(kcontrol->private_value);
 329         unsigned int val, mask;
 330         int changed;
 331
 332         mutex_lock(&chip->mutex);
 333         mask = 1 << shift;
 334         val = ucontrol->value.integer.value[0];
 335         if (GET_GPIO_VAL_INV(kcontrol->private_value))
 336                 val = !val;
 337         val = val ? mask : 0;
 338         changed = maya_set_gpio_bits(chip->ice, mask, val);
 339         mutex_unlock(&chip->mutex);
 340         return changed;
 341 }
 342
 343 /*
 344  * capture source selection
 345  */
 346
 347 /* known working input slots (0-4) */
 348 #define MAYA_LINE_IN    1       /* in-2 */
 349 #define MAYA_MIC_IN     3       /* in-4 */
 350
 351 static void wm8776_select_input(struct snd_maya44 *chip, int idx, int line)
 352 {
 353         wm8776_write_bits(chip->ice, &chip->wm[idx], WM8776_REG_ADC_MUX,
 354                           0x1f, 1 << line);
 355 }
 356
 357 static int maya_rec_src_info(struct snd_kcontrol *kcontrol,
 358                              struct snd_ctl_elem_info *uinfo)
 359 {
 360         static const char * const texts[] = { "Line", "Mic" };
 361
 362         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 363         uinfo->count = 1;
 364         uinfo->value.enumerated.items = ARRAY_SIZE(texts);
 365         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 366                 uinfo->value.enumerated.item =
 367                         uinfo->value.enumerated.items - 1;
 368         strcpy(uinfo->value.enumerated.name,
 369                texts[uinfo->value.enumerated.item]);
 370         return 0;
 371 }
 372
 373 static int maya_rec_src_get(struct snd_kcontrol *kcontrol,
 374                             struct snd_ctl_elem_value *ucontrol)
 375 {
 376         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 377         int sel;
 378
 379         if (snd_ice1712_gpio_read(chip->ice) & (1 << GPIO_MIC_RELAY))
 380                 sel = 1;
 381         else
 382                 sel = 0;
 383         ucontrol->value.enumerated.item[0] = sel;
 384         return 0;
 385 }
 386
 387 static int maya_rec_src_put(struct snd_kcontrol *kcontrol,
 388                             struct snd_ctl_elem_value *ucontrol)
 389 {
 390         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 391         int sel = ucontrol->value.enumerated.item[0];
 392         int changed;
 393
 394         mutex_lock(&chip->mutex);
 395         changed = maya_set_gpio_bits(chip->ice, 1 << GPIO_MIC_RELAY,
 396                                      sel ? (1 << GPIO_MIC_RELAY) : 0);
 397         wm8776_select_input(chip, 0, sel ? MAYA_MIC_IN : MAYA_LINE_IN);
 398         mutex_unlock(&chip->mutex);
 399         return changed;
 400 }
 401
 402 /*
 403  * Maya44 routing switch settings have different meanings than the standard
 404  * ice1724 switches as defined in snd_vt1724_pro_route_info (ice1724.c).
 405  */
 406 static int maya_pb_route_info(struct snd_kcontrol *kcontrol,
 407                               struct snd_ctl_elem_info *uinfo)
 408 {
 409         static const char * const texts[] = {
 410                 "PCM Out", /* 0 */
 411                 "Input 1", "Input 2", "Input 3", "Input 4"
 412         };
 413
 414         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 415         uinfo->count = 1;
 416         uinfo->value.enumerated.items = ARRAY_SIZE(texts);
 417         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
 418                 uinfo->value.enumerated.item =
 419                         uinfo->value.enumerated.items - 1;
 420         strcpy(uinfo->value.enumerated.name,
 421                texts[uinfo->value.enumerated.item]);
 422         return 0;
 423 }
 424
 425 static int maya_pb_route_shift(int idx)
 426 {
 427         static const unsigned char shift[10] =
 428                 { 8, 20, 0, 3, 11, 23, 14, 26, 17, 29 };
 429         return shift[idx % 10];
 430 }
 431
 432 static int maya_pb_route_get(struct snd_kcontrol *kcontrol,
 433                              struct snd_ctl_elem_value *ucontrol)
 434 {
 435         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 436         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 437         ucontrol->value.enumerated.item[0] =
 438                 snd_ice1724_get_route_val(chip->ice, maya_pb_route_shift(idx));
 439         return 0;
 440 }
 441
 442 static int maya_pb_route_put(struct snd_kcontrol *kcontrol,
 443                              struct snd_ctl_elem_value *ucontrol)
 444 {
 445         struct snd_maya44 *chip = snd_kcontrol_chip(kcontrol);
 446         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
 447         return snd_ice1724_put_route_val(chip->ice,
 448                                          ucontrol->value.enumerated.item[0],
 449                                          maya_pb_route_shift(idx));
 450 }
 451
 452
 453 /*
 454  * controls to be added
 455  */
 456
 457 static struct snd_kcontrol_new maya_controls[] = {
 458         {
 459                 .name = "Crossmix Playback Volume",
 460                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 461                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 462                         SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 463                 .info = maya_vol_info,
 464                 .get = maya_vol_get,
 465                 .put = maya_vol_put,
 466                 .tlv = { .p = db_scale_hp },
 467                 .private_value = WM_VOL_HP,
 468                 .count = 2,
 469         },
 470         {
 471                 .name = "PCM Playback Volume",
 472                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 473                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 474                         SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 475                 .info = maya_vol_info,
 476                 .get = maya_vol_get,
 477                 .put = maya_vol_put,
 478                 .tlv = { .p = db_scale_dac },
 479                 .private_value = WM_VOL_DAC,
 480                 .count = 2,
 481         },
 482         {
 483                 .name = "Line Capture Volume",
 484                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 485                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 486                         SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 487                 .info = maya_vol_info,
 488                 .get = maya_vol_get,
 489                 .put = maya_vol_put,
 490                 .tlv = { .p = db_scale_adc },
 491                 .private_value = WM_VOL_ADC,
 492                 .count = 2,
 493         },
 494         {
 495                 .name = "PCM Playback Switch",
 496                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 497                 .info = maya_sw_info,
 498                 .get = maya_sw_get,
 499                 .put = maya_sw_put,
 500                 .private_value = COMPOSE_SW_VAL(WM_SW_DAC,
 501                                                 WM8776_REG_OUTPUT_MUX, 0x01),
 502                 .count = 2,
 503         },
 504         {
 505                 .name = "Bypass Playback Switch",
 506                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 507                 .info = maya_sw_info,
 508                 .get = maya_sw_get,
 509                 .put = maya_sw_put,
 510                 .private_value = COMPOSE_SW_VAL(WM_SW_BYPASS,
 511                                                 WM8776_REG_OUTPUT_MUX, 0x04),
 512                 .count = 2,
 513         },
 514         {
 515                 .name = "Capture Source",
 516                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 517                 .info = maya_rec_src_info,
 518                 .get = maya_rec_src_get,
 519                 .put = maya_rec_src_put,
 520         },
 521         {
 522                 .name = "Mic Phantom Power Switch",
 523                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 524                 .info = maya_gpio_sw_info,
 525                 .get = maya_gpio_sw_get,
 526                 .put = maya_gpio_sw_put,
 527                 .private_value = COMPOSE_GPIO_VAL(GPIO_PHANTOM_OFF, 1),
 528         },
 529         {
 530                 .name = "SPDIF Capture Switch",
 531                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 532                 .info = maya_gpio_sw_info,
 533                 .get = maya_gpio_sw_get,
 534                 .put = maya_gpio_sw_put,
 535                 .private_value = COMPOSE_GPIO_VAL(GPIO_SPDIF_IN_INV, 1),
 536         },
 537         {
 538                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 539                 .name = "H/W Playback Route",
 540                 .info = maya_pb_route_info,
 541                 .get = maya_pb_route_get,
 542                 .put = maya_pb_route_put,
 543                 .count = 4,  /* FIXME: do controls 5-9 have any meaning? */
 544         },
 545 };
 546
 547 static int maya44_add_controls(struct snd_ice1712 *ice)
 548 {
 549         int err, i;
 550
 551         for (i = 0; i < ARRAY_SIZE(maya_controls); i++) {
 552                 err = snd_ctl_add(ice->card, snd_ctl_new1(&maya_controls[i],
 553                                                           ice->spec));
 554                 if (err < 0)
 555                         return err;
 556         }
 557         return 0;
 558 }
 559
 560
 561 /*
 562  * initialize a wm8776 chip
 563  */
 564 static void wm8776_init(struct snd_ice1712 *ice,
 565                         struct snd_wm8776 *wm, unsigned int addr)
 566 {
 567         static const unsigned short inits_wm8776[] = {
 568                 0x02, 0x100, /* R2: headphone L+R muted + update */
 569                 0x05, 0x100, /* R5: DAC output L+R muted + update */
 570                 0x06, 0x000, /* R6: DAC output phase normal */
 571                 0x07, 0x091, /* R7: DAC enable zero cross detection,
 572                                 normal output */
 573                 0x08, 0x000, /* R8: DAC soft mute off */
 574                 0x09, 0x000, /* R9: no deemph, DAC zero detect disabled */
 575                 0x0a, 0x022, /* R10: DAC I2C mode, std polarities, 24bit */
 576                 0x0b, 0x022, /* R11: ADC I2C mode, std polarities, 24bit,
 577                                 highpass filter enabled */
 578                 0x0c, 0x042, /* R12: ADC+DAC slave, ADC+DAC 44,1kHz */
 579                 0x0d, 0x000, /* R13: all power up */
 580                 0x0e, 0x100, /* R14: ADC left muted,
 581                                 enable zero cross detection */
 582                 0x0f, 0x100, /* R15: ADC right muted,
 583                                 enable zero cross detection */
 584                              /* R16: ALC...*/
 585                 0x11, 0x000, /* R17: disable ALC */
 586                              /* R18: ALC...*/
 587                              /* R19: noise gate...*/
 588                 0x15, 0x000, /* R21: ADC input mux init, mute all inputs */
 589                 0x16, 0x001, /* R22: output mux, select DAC */
 590                 0xff, 0xff
 591         };
 592
 593         const unsigned short *ptr;
 594         unsigned char reg;
 595         unsigned short data;
 596
 597         wm->addr = addr;
 598         /* enable DAC output; mute bypass, aux & all inputs */
 599         wm->switch_bits = (1 << WM_SW_DAC);
 600
 601         ptr = inits_wm8776;
 602         while (*ptr != 0xff) {
 603                 reg = *ptr++;
 604                 data = *ptr++;
 605                 wm8776_write(ice, wm, reg, data);
 606         }
 607 }
 608
 609
 610 /*
 611  * change the rate on the WM8776 codecs.
 612  * this assumes that the VT17xx's rate is changed by the calling function.
 613  * NOTE: even though the WM8776's are running in slave mode and rate
 614  * selection is automatic, we need to call snd_wm8776_set_rate() here
 615  * to make sure some flags are set correctly.
 616  */
 617 static void set_rate(struct snd_ice1712 *ice, unsigned int rate)
 618 {
 619         struct snd_maya44 *chip = ice->spec;
 620         unsigned int ratio, adc_ratio, val;
 621         int i;
 622
 623         switch (rate) {
 624         case 192000:
 625                 ratio = WM8776_CLOCK_RATIO_128FS;
 626                 break;
 627         case 176400:
 628                 ratio = WM8776_CLOCK_RATIO_128FS;
 629                 break;
 630         case 96000:
 631                 ratio = WM8776_CLOCK_RATIO_256FS;
 632                 break;
 633         case 88200:
 634                 ratio = WM8776_CLOCK_RATIO_384FS;
 635                 break;
 636         case 48000:
 637                 ratio = WM8776_CLOCK_RATIO_512FS;
 638                 break;
 639         case 44100:
 640                 ratio = WM8776_CLOCK_RATIO_512FS;
 641                 break;
 642         case 32000:
 643                 ratio = WM8776_CLOCK_RATIO_768FS;
 644                 break;
 645         case 0:
 646                 /* no hint - S/PDIF input is master, simply return */
 647                 return;
 648         default:
 649                 snd_BUG();
 650                 return;
 651         }
 652
 653         /*
 654          * this currently sets the same rate for ADC and DAC, but limits
 655          * ADC rate to 256X (96kHz). For 256X mode (96kHz), this sets ADC
 656          * oversampling to 64x, as recommended by WM8776 datasheet.
 657          * Setting the rate is not really necessary in slave mode.
 658          */
 659         adc_ratio = ratio;
 660         if (adc_ratio < WM8776_CLOCK_RATIO_256FS)
 661                 adc_ratio = WM8776_CLOCK_RATIO_256FS;
 662
 663         val = adc_ratio;
 664         if (adc_ratio == WM8776_CLOCK_RATIO_256FS)
 665                 val |= 8;
 666         val |= ratio << 4;
 667
 668         mutex_lock(&chip->mutex);
 669         for (i = 0; i < 2; i++)
 670                 wm8776_write_bits(ice, &chip->wm[i],
 671                                   WM8776_REG_MASTER_MODE_CONTROL,
 672                                   0x180, val);
 673         mutex_unlock(&chip->mutex);
 674 }
 675
 676 /*
 677  * supported sample rates (to override the default one)
 678  */
 679
 680 static unsigned int rates[] = {
 681         32000, 44100, 48000, 64000, 88200, 96000, 176400, 192000
 682 };
 683
 684 /* playback rates: 32..192 kHz */
 685 static struct snd_pcm_hw_constraint_list dac_rates = {
 686         .count = ARRAY_SIZE(rates),
 687         .list = rates,
 688         .mask = 0
 689 };
 690
 691
 692 /*
 693  * chip addresses on I2C bus
 694  */
 695 static unsigned char wm8776_addr[2] = {
 696         0x34, 0x36, /* codec 0 & 1 */
 697 };
 698
 699 /*
 700  * initialize the chip
 701  */
 702 static int maya44_init(struct snd_ice1712 *ice)
 703 {
 704         int i;
 705         struct snd_maya44 *chip;
 706
 707         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 708         if (!chip)
 709                 return -ENOMEM;
 710         mutex_init(&chip->mutex);
 711         chip->ice = ice;
 712         ice->spec = chip;
 713
 714         /* initialise codecs */
 715         ice->num_total_dacs = 4;
 716         ice->num_total_adcs = 4;
 717         ice->akm_codecs = 0;
 718
 719         for (i = 0; i < 2; i++) {
 720                 wm8776_init(ice, &chip->wm[i], wm8776_addr[i]);
 721                 wm8776_select_input(chip, i, MAYA_LINE_IN);
 722         }
 723
 724         /* set card specific rates */
 725         ice->hw_rates = &dac_rates;
 726
 727         /* register change rate notifier */
 728         ice->gpio.set_pro_rate = set_rate;
 729
 730         /* RDMA1 (2nd input channel) is used for ADC by default */
 731         ice->force_rdma1 = 1;
 732
 733         /* have an own routing control */
 734         ice->own_routing = 1;
 735
 736         return 0;
 737 }
 738
 739
 740 /*
 741  * Maya44 boards don't provide the EEPROM data except for the vendor IDs.
 742  * hence the driver needs to sets up it properly.
 743  */
 744
 745 static unsigned char maya44_eeprom[] = {
 746         [ICE_EEP2_SYSCONF]     = 0x45,
 747                 /* clock xin1=49.152MHz, mpu401, 2 stereo ADCs+DACs */
 748         [ICE_EEP2_ACLINK]      = 0x80,
 749                 /* I2S */
 750         [ICE_EEP2_I2S]         = 0xf8,
 751                 /* vol, 96k, 24bit, 192k */
 752         [ICE_EEP2_SPDIF]       = 0xc3,
 753                 /* enable spdif out, spdif out supp, spdif-in, ext spdif out */
 754         [ICE_EEP2_GPIO_DIR]    = 0xff,
 755         [ICE_EEP2_GPIO_DIR1]   = 0xff,
 756         [ICE_EEP2_GPIO_DIR2]   = 0xff,
 757         [ICE_EEP2_GPIO_MASK]   = 0/*0x9f*/,
 758         [ICE_EEP2_GPIO_MASK1]  = 0/*0xff*/,
 759         [ICE_EEP2_GPIO_MASK2]  = 0/*0x7f*/,
 760         [ICE_EEP2_GPIO_STATE]  = (1 << GPIO_PHANTOM_OFF) |
 761                         (1 << GPIO_SPDIF_IN_INV),
 762         [ICE_EEP2_GPIO_STATE1] = 0x00,
 763         [ICE_EEP2_GPIO_STATE2] = 0x00,
 764 };
 765
 766 /* entry point */
 767 struct snd_ice1712_card_info snd_vt1724_maya44_cards[] = {
 768         {
 769                 .subvendor = VT1724_SUBDEVICE_MAYA44,
 770                 .name = "ESI Maya44",
 771                 .model = "maya44",
 772                 .chip_init = maya44_init,
 773                 .build_controls = maya44_add_controls,
 774                 .eeprom_size = sizeof(maya44_eeprom),
 775                 .eeprom_data = maya44_eeprom,
 776         },
 777         { } /* terminator */
 778 };