sound/pci/lola/lola_mixer.c

   1 /*
   2  *  Support for Digigram Lola PCI-e boards
   3  *
   4  *  Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License as published by the Free
   8  *  Software Foundation; either version 2 of the License, or (at your option)
   9  *  any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful, but WITHOUT
  12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  *  more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along with
  17  *  this program; if not, write to the Free Software Foundation, Inc., 59
  18  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/vmalloc.h>
  24 #include <linux/io.h>
  25 #include <sound/core.h>
  26 #include <sound/control.h>
  27 #include <sound/pcm.h>
  28 #include <sound/tlv.h>
  29 #include "lola.h"
  30
  31 static int lola_init_pin(struct lola *chip, struct lola_pin *pin,
  32                          int dir, int nid)
  33 {
  34         unsigned int val;
  35         int err;
  36
  37         pin->nid = nid;
  38         err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
  39         if (err < 0) {
  40                 dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
  41                 return err;
  42         }
  43         val &= 0x00f00fff; /* test TYPE and bits 0..11 */
  44         if (val == 0x00400200)    /* Type = 4, Digital = 1 */
  45                 pin->is_analog = false;
  46         else if (val == 0x0040000a && dir == CAPT) /* Dig=0, InAmp/ovrd */
  47                 pin->is_analog = true;
  48         else if (val == 0x0040000c && dir == PLAY) /* Dig=0, OutAmp/ovrd */
  49                 pin->is_analog = true;
  50         else {
  51                 dev_err(chip->card->dev, "Invalid wcaps 0x%x for 0x%x\n", val, nid);
  52                 return -EINVAL;
  53         }
  54
  55         /* analog parameters only following, so continue in case of Digital pin
  56          */
  57         if (!pin->is_analog)
  58                 return 0;
  59
  60         if (dir == PLAY)
  61                 err = lola_read_param(chip, nid, LOLA_PAR_AMP_OUT_CAP, &val);
  62         else
  63                 err = lola_read_param(chip, nid, LOLA_PAR_AMP_IN_CAP, &val);
  64         if (err < 0) {
  65                 dev_err(chip->card->dev, "Can't read AMP-caps for 0x%x\n", nid);
  66                 return err;
  67         }
  68
  69         pin->amp_mute = LOLA_AMP_MUTE_CAPABLE(val);
  70         pin->amp_step_size = LOLA_AMP_STEP_SIZE(val);
  71         pin->amp_num_steps = LOLA_AMP_NUM_STEPS(val);
  72         if (pin->amp_num_steps) {
  73                 /* zero as mute state */
  74                 pin->amp_num_steps++;
  75                 pin->amp_step_size++;
  76         }
  77         pin->amp_offset = LOLA_AMP_OFFSET(val);
  78
  79         err = lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val,
  80                               NULL);
  81         if (err < 0) {
  82                 dev_err(chip->card->dev, "Can't get MAX_LEVEL 0x%x\n", nid);
  83                 return err;
  84         }
  85         pin->max_level = val & 0x3ff;   /* 10 bits */
  86
  87         pin->config_default_reg = 0;
  88         pin->fixed_gain_list_len = 0;
  89         pin->cur_gain_step = 0;
  90
  91         return 0;
  92 }
  93
  94 int lola_init_pins(struct lola *chip, int dir, int *nidp)
  95 {
  96         int i, err, nid;
  97         nid = *nidp;
  98         for (i = 0; i < chip->pin[dir].num_pins; i++, nid++) {
  99                 err = lola_init_pin(chip, &chip->pin[dir].pins[i], dir, nid);
 100                 if (err < 0)
 101                         return err;
 102                 if (chip->pin[dir].pins[i].is_analog)
 103                         chip->pin[dir].num_analog_pins++;
 104         }
 105         *nidp = nid;
 106         return 0;
 107 }
 108
 109 void lola_free_mixer(struct lola *chip)
 110 {
 111         if (chip->mixer.array_saved)
 112                 vfree(chip->mixer.array_saved);
 113 }
 114
 115 int lola_init_mixer_widget(struct lola *chip, int nid)
 116 {
 117         unsigned int val;
 118         int err;
 119
 120         err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
 121         if (err < 0) {
 122                 dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
 123                 return err;
 124         }
 125
 126         if ((val & 0xfff00000) != 0x02f00000) { /* test SubType and Type */
 127                 dev_dbg(chip->card->dev, "No valid mixer widget\n");
 128                 return 0;
 129         }
 130
 131         chip->mixer.nid = nid;
 132         chip->mixer.caps = val;
 133         chip->mixer.array = (struct lola_mixer_array __iomem *)
 134                 (chip->bar[BAR1].remap_addr + LOLA_BAR1_SOURCE_GAIN_ENABLE);
 135
 136         /* reserve memory to copy mixer data for sleep mode transitions */
 137         chip->mixer.array_saved = vmalloc(sizeof(struct lola_mixer_array));
 138
 139         /* mixer matrix sources are physical input data and play streams */
 140         chip->mixer.src_stream_outs = chip->pcm[PLAY].num_streams;
 141         chip->mixer.src_phys_ins = chip->pin[CAPT].num_pins;
 142
 143         /* mixer matrix destinations are record streams and physical output */
 144         chip->mixer.dest_stream_ins = chip->pcm[CAPT].num_streams;
 145         chip->mixer.dest_phys_outs = chip->pin[PLAY].num_pins;
 146
 147         /* mixer matrix may have unused areas between PhysIn and
 148          * Play or Record and PhysOut zones
 149          */
 150         chip->mixer.src_stream_out_ofs = chip->mixer.src_phys_ins +
 151                 LOLA_MIXER_SRC_INPUT_PLAY_SEPARATION(val);
 152         chip->mixer.dest_phys_out_ofs = chip->mixer.dest_stream_ins +
 153                 LOLA_MIXER_DEST_REC_OUTPUT_SEPARATION(val);
 154
 155         /* example : MixerMatrix of LoLa881 (LoLa16161 uses unused zones)
 156          * +-+  0-------8------16-------8------16
 157          * | |  |       |       |       |       |
 158          * |s|  | INPUT |       | INPUT |       |
 159          * | |->|  ->   |unused |  ->   |unused |
 160          * |r|  |CAPTURE|       | OUTPUT|       |
 161          * | |  |  MIX  |       |  MIX  |       |
 162          * |c|  8--------------------------------
 163          * | |  |       |       |       |       |
 164          * | |  |       |       |       |       |
 165          * |g|  |unused |unused |unused |unused |
 166          * | |  |       |       |       |       |
 167          * |a|  |       |       |       |       |
 168          * | |  16-------------------------------
 169          * |i|  |       |       |       |       |
 170          * | |  | PLAYBK|       | PLAYBK|       |
 171          * |n|->|  ->   |unused |  ->   |unused |
 172          * | |  |CAPTURE|       | OUTPUT|       |
 173          * | |  |  MIX  |       |  MIX  |       |
 174          * |a|  8--------------------------------
 175          * |r|  |       |       |       |       |
 176          * |r|  |       |       |       |       |
 177          * |a|  |unused |unused |unused |unused |
 178          * |y|  |       |       |       |       |
 179          * | |  |       |       |       |       |
 180          * +++  16--|---------------|------------
 181          *      +---V---------------V-----------+
 182          *      |  dest_mix_gain_enable array   |
 183          *      +-------------------------------+
 184          */
 185         /* example : MixerMatrix of LoLa280
 186          * +-+  0-------8-2
 187          * | |  |       | |
 188          * |s|  | INPUT | |     INPUT
 189          * |r|->|  ->   | |      ->
 190          * |c|  |CAPTURE| | <-  OUTPUT
 191          * | |  |  MIX  | |      MIX
 192          * |g|  8----------
 193          * |a|  |       | |
 194          * |i|  | PLAYBK| |     PLAYBACK
 195          * |n|->|  ->   | |      ->
 196          * | |  |CAPTURE| | <-  OUTPUT
 197          * |a|  |  MIX  | |      MIX
 198          * |r|  8---|----|-
 199          * |r|  +---V----V-------------------+
 200          * |a|  | dest_mix_gain_enable array |
 201          * |y|  +----------------------------+
 202          */
 203         if (chip->mixer.src_stream_out_ofs > MAX_AUDIO_INOUT_COUNT ||
 204             chip->mixer.dest_phys_out_ofs > MAX_STREAM_IN_COUNT) {
 205                 dev_err(chip->card->dev, "Invalid mixer widget size\n");
 206                 return -EINVAL;
 207         }
 208
 209         chip->mixer.src_mask = ((1U << chip->mixer.src_phys_ins) - 1) |
 210                 (((1U << chip->mixer.src_stream_outs) - 1)
 211                  << chip->mixer.src_stream_out_ofs);
 212         chip->mixer.dest_mask = ((1U << chip->mixer.dest_stream_ins) - 1) |
 213                 (((1U << chip->mixer.dest_phys_outs) - 1)
 214                  << chip->mixer.dest_phys_out_ofs);
 215
 216         dev_dbg(chip->card->dev, "Mixer src_mask=%x, dest_mask=%x\n",
 217                     chip->mixer.src_mask, chip->mixer.dest_mask);
 218
 219         return 0;
 220 }
 221
 222 static int lola_mixer_set_src_gain(struct lola *chip, unsigned int id,
 223                                    unsigned short gain, bool on)
 224 {
 225         unsigned int oldval, val;
 226
 227         if (!(chip->mixer.src_mask & (1 << id)))
 228                 return -EINVAL;
 229         oldval = val = readl(&chip->mixer.array->src_gain_enable);
 230         if (on)
 231                 val |= (1 << id);
 232         else
 233                 val &= ~(1 << id);
 234         /* test if values unchanged */
 235         if ((val == oldval) &&
 236             (gain == readw(&chip->mixer.array->src_gain[id])))
 237                 return 0;
 238
 239         dev_dbg(chip->card->dev,
 240                 "lola_mixer_set_src_gain (id=%d, gain=%d) enable=%x\n",
 241                         id, gain, val);
 242         writew(gain, &chip->mixer.array->src_gain[id]);
 243         writel(val, &chip->mixer.array->src_gain_enable);
 244         lola_codec_flush(chip);
 245         /* inform micro-controller about the new source gain */
 246         return lola_codec_write(chip, chip->mixer.nid,
 247                                 LOLA_VERB_SET_SOURCE_GAIN, id, 0);
 248 }
 249
 250 #if 0 /* not used */
 251 static int lola_mixer_set_src_gains(struct lola *chip, unsigned int mask,
 252                                     unsigned short *gains)
 253 {
 254         int i;
 255
 256         if ((chip->mixer.src_mask & mask) != mask)
 257                 return -EINVAL;
 258         for (i = 0; i < LOLA_MIXER_DIM; i++) {
 259                 if (mask & (1 << i)) {
 260                         writew(*gains, &chip->mixer.array->src_gain[i]);
 261                         gains++;
 262                 }
 263         }
 264         writel(mask, &chip->mixer.array->src_gain_enable);
 265         lola_codec_flush(chip);
 266         if (chip->mixer.caps & LOLA_PEAK_METER_CAN_AGC_MASK) {
 267                 /* update for all srcs at once */
 268                 return lola_codec_write(chip, chip->mixer.nid,
 269                                         LOLA_VERB_SET_SOURCE_GAIN, 0x80, 0);
 270         }
 271         /* update manually */
 272         for (i = 0; i < LOLA_MIXER_DIM; i++) {
 273                 if (mask & (1 << i)) {
 274                         lola_codec_write(chip, chip->mixer.nid,
 275                                          LOLA_VERB_SET_SOURCE_GAIN, i, 0);
 276                 }
 277         }
 278         return 0;
 279 }
 280 #endif /* not used */
 281
 282 static int lola_mixer_set_mapping_gain(struct lola *chip,
 283                                        unsigned int src, unsigned int dest,
 284                                        unsigned short gain, bool on)
 285 {
 286         unsigned int val;
 287
 288         if (!(chip->mixer.src_mask & (1 << src)) ||
 289             !(chip->mixer.dest_mask & (1 << dest)))
 290                 return -EINVAL;
 291         if (on)
 292                 writew(gain, &chip->mixer.array->dest_mix_gain[dest][src]);
 293         val = readl(&chip->mixer.array->dest_mix_gain_enable[dest]);
 294         if (on)
 295                 val |= (1 << src);
 296         else
 297                 val &= ~(1 << src);
 298         writel(val, &chip->mixer.array->dest_mix_gain_enable[dest]);
 299         lola_codec_flush(chip);
 300         return lola_codec_write(chip, chip->mixer.nid, LOLA_VERB_SET_MIX_GAIN,
 301                                 src, dest);
 302 }
 303
 304 #if 0 /* not used */
 305 static int lola_mixer_set_dest_gains(struct lola *chip, unsigned int id,
 306                                      unsigned int mask, unsigned short *gains)
 307 {
 308         int i;
 309
 310         if (!(chip->mixer.dest_mask & (1 << id)) ||
 311             (chip->mixer.src_mask & mask) != mask)
 312                 return -EINVAL;
 313         for (i = 0; i < LOLA_MIXER_DIM; i++) {
 314                 if (mask & (1 << i)) {
 315                         writew(*gains, &chip->mixer.array->dest_mix_gain[id][i]);
 316                         gains++;
 317                 }
 318         }
 319         writel(mask, &chip->mixer.array->dest_mix_gain_enable[id]);
 320         lola_codec_flush(chip);
 321         /* update for all dests at once */
 322         return lola_codec_write(chip, chip->mixer.nid,
 323                                 LOLA_VERB_SET_DESTINATION_GAIN, id, 0);
 324 }
 325 #endif /* not used */
 326
 327 /*
 328  */
 329
 330 static int set_analog_volume(struct lola *chip, int dir,
 331                              unsigned int idx, unsigned int val,
 332                              bool external_call);
 333
 334 int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute)
 335 {
 336         struct lola_pin *pin;
 337         int idx, max_idx;
 338
 339         pin = chip->pin[dir].pins;
 340         max_idx = chip->pin[dir].num_pins;
 341         for (idx = 0; idx < max_idx; idx++) {
 342                 if (pin[idx].is_analog) {
 343                         unsigned int val = mute ? 0 : pin[idx].cur_gain_step;
 344                         /* set volume and do not save the value */
 345                         set_analog_volume(chip, dir, idx, val, false);
 346                 }
 347         }
 348         return lola_codec_flush(chip);
 349 }
 350
 351 void lola_save_mixer(struct lola *chip)
 352 {
 353         /* mute analog output */
 354         if (chip->mixer.array_saved) {
 355                 /* store contents of mixer array */
 356                 memcpy_fromio(chip->mixer.array_saved, chip->mixer.array,
 357                               sizeof(*chip->mixer.array));
 358         }
 359         lola_setup_all_analog_gains(chip, PLAY, true); /* output mute */
 360 }
 361
 362 void lola_restore_mixer(struct lola *chip)
 363 {
 364         int i;
 365
 366         /*lola_reset_setups(chip);*/
 367         if (chip->mixer.array_saved) {
 368                 /* restore contents of mixer array */
 369                 memcpy_toio(chip->mixer.array, chip->mixer.array_saved,
 370                             sizeof(*chip->mixer.array));
 371                 /* inform micro-controller about all restored values
 372                  * and ignore return values
 373                  */
 374                 for (i = 0; i < chip->mixer.src_phys_ins; i++)
 375                         lola_codec_write(chip, chip->mixer.nid,
 376                                          LOLA_VERB_SET_SOURCE_GAIN,
 377                                          i, 0);
 378                 for (i = 0; i < chip->mixer.src_stream_outs; i++)
 379                         lola_codec_write(chip, chip->mixer.nid,
 380                                          LOLA_VERB_SET_SOURCE_GAIN,
 381                                          chip->mixer.src_stream_out_ofs + i, 0);
 382                 for (i = 0; i < chip->mixer.dest_stream_ins; i++)
 383                         lola_codec_write(chip, chip->mixer.nid,
 384                                          LOLA_VERB_SET_DESTINATION_GAIN,
 385                                          i, 0);
 386                 for (i = 0; i < chip->mixer.dest_phys_outs; i++)
 387                         lola_codec_write(chip, chip->mixer.nid,
 388                                          LOLA_VERB_SET_DESTINATION_GAIN,
 389                                          chip->mixer.dest_phys_out_ofs + i, 0);
 390                 lola_codec_flush(chip);
 391         }
 392 }
 393
 394 /*
 395  */
 396
 397 static int set_analog_volume(struct lola *chip, int dir,
 398                              unsigned int idx, unsigned int val,
 399                              bool external_call)
 400 {
 401         struct lola_pin *pin;
 402         int err;
 403
 404         if (idx >= chip->pin[dir].num_pins)
 405                 return -EINVAL;
 406         pin = &chip->pin[dir].pins[idx];
 407         if (!pin->is_analog || pin->amp_num_steps <= val)
 408                 return -EINVAL;
 409         if (external_call && pin->cur_gain_step == val)
 410                 return 0;
 411         if (external_call)
 412                 lola_codec_flush(chip);
 413         dev_dbg(chip->card->dev,
 414                 "set_analog_volume (dir=%d idx=%d, volume=%d)\n",
 415                         dir, idx, val);
 416         err = lola_codec_write(chip, pin->nid,
 417                                LOLA_VERB_SET_AMP_GAIN_MUTE, val, 0);
 418         if (err < 0)
 419                 return err;
 420         if (external_call)
 421                 pin->cur_gain_step = val;
 422         return 0;
 423 }
 424
 425 int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update)
 426 {
 427         int ret = 0;
 428         int success = 0;
 429         int n, err;
 430
 431         /* SRC can be activated and the dwInputSRCMask is valid? */
 432         if ((chip->input_src_caps_mask & src_mask) != src_mask)
 433                 return -EINVAL;
 434         /* handle all even Inputs - SRC is a stereo setting !!! */
 435         for (n = 0; n < chip->pin[CAPT].num_pins; n += 2) {
 436                 unsigned int mask = 3U << n; /* handle the stereo case */
 437                 unsigned int new_src, src_state;
 438                 if (!(chip->input_src_caps_mask & mask))
 439                         continue;
 440                 /* if one IO needs SRC, both stereo IO will get SRC */
 441                 new_src = (src_mask & mask) != 0;
 442                 if (update) {
 443                         src_state = (chip->input_src_mask & mask) != 0;
 444                         if (src_state == new_src)
 445                                 continue;   /* nothing to change for this IO */
 446                 }
 447                 err = lola_codec_write(chip, chip->pcm[CAPT].streams[n].nid,
 448                                        LOLA_VERB_SET_SRC, new_src, 0);
 449                 if (!err)
 450                         success++;
 451                 else
 452                         ret = err;
 453         }
 454         if (success)
 455                 ret = lola_codec_flush(chip);
 456         if (!ret)
 457                 chip->input_src_mask = src_mask;
 458         return ret;
 459 }
 460
 461 /*
 462  */
 463 static int init_mixer_values(struct lola *chip)
 464 {
 465         int i;
 466
 467         /* all sample rate converters on */
 468         lola_set_src_config(chip, (1 << chip->pin[CAPT].num_pins) - 1, false);
 469
 470         /* clear all mixer matrix settings */
 471         memset_io(chip->mixer.array, 0, sizeof(*chip->mixer.array));
 472         /* inform firmware about all updated matrix columns - capture part */
 473         for (i = 0; i < chip->mixer.dest_stream_ins; i++)
 474                 lola_codec_write(chip, chip->mixer.nid,
 475                                  LOLA_VERB_SET_DESTINATION_GAIN,
 476                                  i, 0);
 477         /* inform firmware about all updated matrix columns - output part */
 478         for (i = 0; i < chip->mixer.dest_phys_outs; i++)
 479                 lola_codec_write(chip, chip->mixer.nid,
 480                                  LOLA_VERB_SET_DESTINATION_GAIN,
 481                                  chip->mixer.dest_phys_out_ofs + i, 0);
 482
 483         /* set all digital input source (master) gains to 0dB */
 484         for (i = 0; i < chip->mixer.src_phys_ins; i++)
 485                 lola_mixer_set_src_gain(chip, i, 336, true); /* 0dB */
 486
 487         /* set all digital playback source (master) gains to 0dB */
 488         for (i = 0; i < chip->mixer.src_stream_outs; i++)
 489                 lola_mixer_set_src_gain(chip,
 490                                         i + chip->mixer.src_stream_out_ofs,
 491                                         336, true); /* 0dB */
 492         /* set gain value 0dB diagonally in matrix - part INPUT -> CAPTURE */
 493         for (i = 0; i < chip->mixer.dest_stream_ins; i++) {
 494                 int src = i % chip->mixer.src_phys_ins;
 495                 lola_mixer_set_mapping_gain(chip, src, i, 336, true);
 496         }
 497         /* set gain value 0dB diagonally in matrix , part PLAYBACK -> OUTPUT
 498          * (LoLa280 : playback channel 0,2,4,6 linked to output channel 0)
 499          * (LoLa280 : playback channel 1,3,5,7 linked to output channel 1)
 500          */
 501         for (i = 0; i < chip->mixer.src_stream_outs; i++) {
 502                 int src = chip->mixer.src_stream_out_ofs + i;
 503                 int dst = chip->mixer.dest_phys_out_ofs +
 504                         i % chip->mixer.dest_phys_outs;
 505                 lola_mixer_set_mapping_gain(chip, src, dst, 336, true);
 506         }
 507         return 0;
 508 }
 509
 510 /*
 511  * analog mixer control element
 512  */
 513 static int lola_analog_vol_info(struct snd_kcontrol *kcontrol,
 514                                 struct snd_ctl_elem_info *uinfo)
 515 {
 516         struct lola *chip = snd_kcontrol_chip(kcontrol);
 517         int dir = kcontrol->private_value;
 518
 519         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 520         uinfo->count = chip->pin[dir].num_pins;
 521         uinfo->value.integer.min = 0;
 522         uinfo->value.integer.max = chip->pin[dir].pins[0].amp_num_steps;
 523         return 0;
 524 }
 525
 526 static int lola_analog_vol_get(struct snd_kcontrol *kcontrol,
 527                                struct snd_ctl_elem_value *ucontrol)
 528 {
 529         struct lola *chip = snd_kcontrol_chip(kcontrol);
 530         int dir = kcontrol->private_value;
 531         int i;
 532
 533         for (i = 0; i < chip->pin[dir].num_pins; i++)
 534                 ucontrol->value.integer.value[i] =
 535                         chip->pin[dir].pins[i].cur_gain_step;
 536         return 0;
 537 }
 538
 539 static int lola_analog_vol_put(struct snd_kcontrol *kcontrol,
 540                                struct snd_ctl_elem_value *ucontrol)
 541 {
 542         struct lola *chip = snd_kcontrol_chip(kcontrol);
 543         int dir = kcontrol->private_value;
 544         int i, err;
 545
 546         for (i = 0; i < chip->pin[dir].num_pins; i++) {
 547                 err = set_analog_volume(chip, dir, i,
 548                                         ucontrol->value.integer.value[i],
 549                                         true);
 550                 if (err < 0)
 551                         return err;
 552         }
 553         return 0;
 554 }
 555
 556 static int lola_analog_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
 557                                unsigned int size, unsigned int __user *tlv)
 558 {
 559         struct lola *chip = snd_kcontrol_chip(kcontrol);
 560         int dir = kcontrol->private_value;
 561         unsigned int val1, val2;
 562         struct lola_pin *pin;
 563
 564         if (size < 4 * sizeof(unsigned int))
 565                 return -ENOMEM;
 566         pin = &chip->pin[dir].pins[0];
 567
 568         val2 = pin->amp_step_size * 25;
 569         val1 = -1 * (int)pin->amp_offset * (int)val2;
 570 #ifdef TLV_DB_SCALE_MUTE
 571         val2 |= TLV_DB_SCALE_MUTE;
 572 #endif
 573         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, tlv))
 574                 return -EFAULT;
 575         if (put_user(2 * sizeof(unsigned int), tlv + 1))
 576                 return -EFAULT;
 577         if (put_user(val1, tlv + 2))
 578                 return -EFAULT;
 579         if (put_user(val2, tlv + 3))
 580                 return -EFAULT;
 581         return 0;
 582 }
 583
 584 static struct snd_kcontrol_new lola_analog_mixer = {
 585         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 586         .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 587                    SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 588                    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK),
 589         .info = lola_analog_vol_info,
 590         .get = lola_analog_vol_get,
 591         .put = lola_analog_vol_put,
 592         .tlv.c = lola_analog_vol_tlv,
 593 };
 594
 595 static int create_analog_mixer(struct lola *chip, int dir, char *name)
 596 {
 597         if (!chip->pin[dir].num_pins)
 598                 return 0;
 599         /* no analog volumes on digital only adapters */
 600         if (chip->pin[dir].num_pins != chip->pin[dir].num_analog_pins)
 601                 return 0;
 602         lola_analog_mixer.name = name;
 603         lola_analog_mixer.private_value = dir;
 604         return snd_ctl_add(chip->card,
 605                            snd_ctl_new1(&lola_analog_mixer, chip));
 606 }
 607
 608 /*
 609  * Hardware sample rate converter on digital input
 610  */
 611 static int lola_input_src_info(struct snd_kcontrol *kcontrol,
 612                                struct snd_ctl_elem_info *uinfo)
 613 {
 614         struct lola *chip = snd_kcontrol_chip(kcontrol);
 615
 616         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 617         uinfo->count = chip->pin[CAPT].num_pins;
 618         uinfo->value.integer.min = 0;
 619         uinfo->value.integer.max = 1;
 620         return 0;
 621 }
 622
 623 static int lola_input_src_get(struct snd_kcontrol *kcontrol,
 624                               struct snd_ctl_elem_value *ucontrol)
 625 {
 626         struct lola *chip = snd_kcontrol_chip(kcontrol);
 627         int i;
 628
 629         for (i = 0; i < chip->pin[CAPT].num_pins; i++)
 630                 ucontrol->value.integer.value[i] =
 631                         !!(chip->input_src_mask & (1 << i));
 632         return 0;
 633 }
 634
 635 static int lola_input_src_put(struct snd_kcontrol *kcontrol,
 636                               struct snd_ctl_elem_value *ucontrol)
 637 {
 638         struct lola *chip = snd_kcontrol_chip(kcontrol);
 639         int i;
 640         unsigned int mask;
 641
 642         mask = 0;
 643         for (i = 0; i < chip->pin[CAPT].num_pins; i++)
 644                 if (ucontrol->value.integer.value[i])
 645                         mask |= 1 << i;
 646         return lola_set_src_config(chip, mask, true);
 647 }
 648
 649 static struct snd_kcontrol_new lola_input_src_mixer = {
 650         .name = "Digital SRC Capture Switch",
 651         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 652         .info = lola_input_src_info,
 653         .get = lola_input_src_get,
 654         .put = lola_input_src_put,
 655 };
 656
 657 /*
 658  * Lola16161 or Lola881 can have Hardware sample rate converters
 659  * on its digital input pins
 660  */
 661 static int create_input_src_mixer(struct lola *chip)
 662 {
 663         if (!chip->input_src_caps_mask)
 664                 return 0;
 665
 666         return snd_ctl_add(chip->card,
 667                            snd_ctl_new1(&lola_input_src_mixer, chip));
 668 }
 669
 670 /*
 671  * src gain mixer
 672  */
 673 static int lola_src_gain_info(struct snd_kcontrol *kcontrol,
 674                               struct snd_ctl_elem_info *uinfo)
 675 {
 676         unsigned int count = (kcontrol->private_value >> 8) & 0xff;
 677
 678         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 679         uinfo->count = count;
 680         uinfo->value.integer.min = 0;
 681         uinfo->value.integer.max = 409;
 682         return 0;
 683 }
 684
 685 static int lola_src_gain_get(struct snd_kcontrol *kcontrol,
 686                              struct snd_ctl_elem_value *ucontrol)
 687 {
 688         struct lola *chip = snd_kcontrol_chip(kcontrol);
 689         unsigned int ofs = kcontrol->private_value & 0xff;
 690         unsigned int count = (kcontrol->private_value >> 8) & 0xff;
 691         unsigned int mask, i;
 692
 693         mask = readl(&chip->mixer.array->src_gain_enable);
 694         for (i = 0; i < count; i++) {
 695                 unsigned int idx = ofs + i;
 696                 unsigned short val;
 697                 if (!(chip->mixer.src_mask & (1 << idx)))
 698                         return -EINVAL;
 699                 if (mask & (1 << idx))
 700                         val = readw(&chip->mixer.array->src_gain[idx]) + 1;
 701                 else
 702                         val = 0;
 703                 ucontrol->value.integer.value[i] = val;
 704         }
 705         return 0;
 706 }
 707
 708 static int lola_src_gain_put(struct snd_kcontrol *kcontrol,
 709                              struct snd_ctl_elem_value *ucontrol)
 710 {
 711         struct lola *chip = snd_kcontrol_chip(kcontrol);
 712         unsigned int ofs = kcontrol->private_value & 0xff;
 713         unsigned int count = (kcontrol->private_value >> 8) & 0xff;
 714         int i, err;
 715
 716         for (i = 0; i < count; i++) {
 717                 unsigned int idx = ofs + i;
 718                 unsigned short val = ucontrol->value.integer.value[i];
 719                 if (val)
 720                         val--;
 721                 err = lola_mixer_set_src_gain(chip, idx, val, !!val);
 722                 if (err < 0)
 723                         return err;
 724         }
 725         return 0;
 726 }
 727
 728 /* raw value: 0 = -84dB, 336 = 0dB, 408=18dB, incremented 1 for mute */
 729 static const DECLARE_TLV_DB_SCALE(lola_src_gain_tlv, -8425, 25, 1);
 730
 731 static struct snd_kcontrol_new lola_src_gain_mixer = {
 732         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 733         .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 734                    SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 735         .info = lola_src_gain_info,
 736         .get = lola_src_gain_get,
 737         .put = lola_src_gain_put,
 738         .tlv.p = lola_src_gain_tlv,
 739 };
 740
 741 static int create_src_gain_mixer(struct lola *chip,
 742                                  int num, int ofs, char *name)
 743 {
 744         lola_src_gain_mixer.name = name;
 745         lola_src_gain_mixer.private_value = ofs + (num << 8);
 746         return snd_ctl_add(chip->card,
 747                            snd_ctl_new1(&lola_src_gain_mixer, chip));
 748 }
 749
 750 #if 0 /* not used */
 751 /*
 752  * destination gain (matrix-like) mixer
 753  */
 754 static int lola_dest_gain_info(struct snd_kcontrol *kcontrol,
 755                                struct snd_ctl_elem_info *uinfo)
 756 {
 757         unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
 758
 759         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 760         uinfo->count = src_num;
 761         uinfo->value.integer.min = 0;
 762         uinfo->value.integer.max = 433;
 763         return 0;
 764 }
 765
 766 static int lola_dest_gain_get(struct snd_kcontrol *kcontrol,
 767                               struct snd_ctl_elem_value *ucontrol)
 768 {
 769         struct lola *chip = snd_kcontrol_chip(kcontrol);
 770         unsigned int src_ofs = kcontrol->private_value & 0xff;
 771         unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
 772         unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
 773         unsigned int dst, mask, i;
 774
 775         dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
 776         mask = readl(&chip->mixer.array->dest_mix_gain_enable[dst]);
 777         for (i = 0; i < src_num; i++) {
 778                 unsigned int src = src_ofs + i;
 779                 unsigned short val;
 780                 if (!(chip->mixer.src_mask & (1 << src)))
 781                         return -EINVAL;
 782                 if (mask & (1 << dst))
 783                         val = readw(&chip->mixer.array->dest_mix_gain[dst][src]) + 1;
 784                 else
 785                         val = 0;
 786                 ucontrol->value.integer.value[i] = val;
 787         }
 788         return 0;
 789 }
 790
 791 static int lola_dest_gain_put(struct snd_kcontrol *kcontrol,
 792                               struct snd_ctl_elem_value *ucontrol)
 793 {
 794         struct lola *chip = snd_kcontrol_chip(kcontrol);
 795         unsigned int src_ofs = kcontrol->private_value & 0xff;
 796         unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
 797         unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
 798         unsigned int dst, mask;
 799         unsigned short gains[MAX_STREAM_COUNT];
 800         int i, num;
 801
 802         mask = 0;
 803         num = 0;
 804         for (i = 0; i < src_num; i++) {
 805                 unsigned short val = ucontrol->value.integer.value[i];
 806                 if (val) {
 807                         gains[num++] = val - 1;
 808                         mask |= 1 << i;
 809                 }
 810         }
 811         mask <<= src_ofs;
 812         dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
 813         return lola_mixer_set_dest_gains(chip, dst, mask, gains);
 814 }
 815
 816 static const DECLARE_TLV_DB_SCALE(lola_dest_gain_tlv, -8425, 25, 1);
 817
 818 static struct snd_kcontrol_new lola_dest_gain_mixer = {
 819         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 820         .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 821                    SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 822         .info = lola_dest_gain_info,
 823         .get = lola_dest_gain_get,
 824         .put = lola_dest_gain_put,
 825         .tlv.p = lola_dest_gain_tlv,
 826 };
 827
 828 static int create_dest_gain_mixer(struct lola *chip,
 829                                   int src_num, int src_ofs,
 830                                   int num, int ofs, char *name)
 831 {
 832         lola_dest_gain_mixer.count = num;
 833         lola_dest_gain_mixer.name = name;
 834         lola_dest_gain_mixer.private_value =
 835                 src_ofs + (src_num << 8) + (ofs << 16) + (num << 24);
 836         return snd_ctl_add(chip->card,
 837                           snd_ctl_new1(&lola_dest_gain_mixer, chip));
 838 }
 839 #endif /* not used */
 840
 841 /*
 842  */
 843 int lola_create_mixer(struct lola *chip)
 844 {
 845         int err;
 846
 847         err = create_analog_mixer(chip, PLAY, "Analog Playback Volume");
 848         if (err < 0)
 849                 return err;
 850         err = create_analog_mixer(chip, CAPT, "Analog Capture Volume");
 851         if (err < 0)
 852                 return err;
 853         err = create_input_src_mixer(chip);
 854         if (err < 0)
 855                 return err;
 856         err = create_src_gain_mixer(chip, chip->mixer.src_phys_ins, 0,
 857                                     "Digital Capture Volume");
 858         if (err < 0)
 859                 return err;
 860         err = create_src_gain_mixer(chip, chip->mixer.src_stream_outs,
 861                                     chip->mixer.src_stream_out_ofs,
 862                                     "Digital Playback Volume");
 863         if (err < 0)
 864                 return err;
 865 #if 0
 866 /* FIXME: buggy mixer matrix handling */
 867         err = create_dest_gain_mixer(chip,
 868                                      chip->mixer.src_phys_ins, 0,
 869                                      chip->mixer.dest_stream_ins, 0,
 870                                      "Line Capture Volume");
 871         if (err < 0)
 872                 return err;
 873         err = create_dest_gain_mixer(chip,
 874                                      chip->mixer.src_stream_outs,
 875                                      chip->mixer.src_stream_out_ofs,
 876                                      chip->mixer.dest_stream_ins, 0,
 877                                      "Stream-Loopback Capture Volume");
 878         if (err < 0)
 879                 return err;
 880         err = create_dest_gain_mixer(chip,
 881                                      chip->mixer.src_phys_ins, 0,
 882                                      chip->mixer.dest_phys_outs,
 883                                      chip->mixer.dest_phys_out_ofs,
 884                                      "Line-Loopback Playback Volume");
 885         if (err < 0)
 886                 return err;
 887         err = create_dest_gain_mixer(chip,
 888                                      chip->mixer.src_stream_outs,
 889                                      chip->mixer.src_stream_out_ofs,
 890                                      chip->mixer.dest_phys_outs,
 891                                      chip->mixer.dest_phys_out_ofs,
 892                                      "Stream Playback Volume");
 893         if (err < 0)
 894                 return err;
 895 #endif /* FIXME */
 896         return init_mixer_values(chip);
 897 }