sound/pci/au88x0/au88x0_pcm.c

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify
   3  *  it under the terms of the GNU General Public License as published by
   4  *  the Free Software Foundation; either version 2 of the License, or
   5  *  (at your option) any later version.
   6  *
   7  *  This program is distributed in the hope that it will be useful,
   8  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *  GNU Library General Public License for more details.
  11  *
  12  *  You should have received a copy of the GNU General Public License
  13  *  along with this program; if not, write to the Free Software
  14  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  15  */
  16
  17 /*
  18  * Vortex PCM ALSA driver.
  19  *
  20  * Supports ADB and WT DMA. Unfortunately, WT channels do not run yet.
  21  * It remains stuck,and DMA transfers do not happen.
  22  */
  23 #include <sound/asoundef.h>
  24 #include <linux/time.h>
  25 #include <sound/core.h>
  26 #include <sound/pcm.h>
  27 #include <sound/pcm_params.h>
  28 #include "au88x0.h"
  29
  30 #define VORTEX_PCM_TYPE(x) (x->name[40])
  31
  32 /* hardware definition */
  33 static struct snd_pcm_hardware snd_vortex_playback_hw_adb = {
  34         .info =
  35             (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
  36              SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
  37              SNDRV_PCM_INFO_MMAP_VALID),
  38         .formats =
  39             SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
  40             SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
  41         .rates = SNDRV_PCM_RATE_CONTINUOUS,
  42         .rate_min = 5000,
  43         .rate_max = 48000,
  44         .channels_min = 1,
  45         .channels_max = 2,
  46         .buffer_bytes_max = 0x10000,
  47         .period_bytes_min = 0x20,
  48         .period_bytes_max = 0x1000,
  49         .periods_min = 2,
  50         .periods_max = 1024,
  51 };
  52
  53 #ifndef CHIP_AU8820
  54 static struct snd_pcm_hardware snd_vortex_playback_hw_a3d = {
  55         .info =
  56             (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
  57              SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
  58              SNDRV_PCM_INFO_MMAP_VALID),
  59         .formats =
  60             SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
  61             SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW,
  62         .rates = SNDRV_PCM_RATE_CONTINUOUS,
  63         .rate_min = 5000,
  64         .rate_max = 48000,
  65         .channels_min = 1,
  66         .channels_max = 1,
  67         .buffer_bytes_max = 0x10000,
  68         .period_bytes_min = 0x100,
  69         .period_bytes_max = 0x1000,
  70         .periods_min = 2,
  71         .periods_max = 64,
  72 };
  73 #endif
  74 static struct snd_pcm_hardware snd_vortex_playback_hw_spdif = {
  75         .info =
  76             (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
  77              SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
  78              SNDRV_PCM_INFO_MMAP_VALID),
  79         .formats =
  80             SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U8 |
  81             SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | SNDRV_PCM_FMTBIT_MU_LAW |
  82             SNDRV_PCM_FMTBIT_A_LAW,
  83         .rates =
  84             SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
  85         .rate_min = 32000,
  86         .rate_max = 48000,
  87         .channels_min = 1,
  88         .channels_max = 2,
  89         .buffer_bytes_max = 0x10000,
  90         .period_bytes_min = 0x100,
  91         .period_bytes_max = 0x1000,
  92         .periods_min = 2,
  93         .periods_max = 64,
  94 };
  95
  96 #ifndef CHIP_AU8810
  97 static struct snd_pcm_hardware snd_vortex_playback_hw_wt = {
  98         .info = (SNDRV_PCM_INFO_MMAP |
  99                  SNDRV_PCM_INFO_INTERLEAVED |
 100                  SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID),
 101         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 102         .rates = SNDRV_PCM_RATE_8000_48000 | SNDRV_PCM_RATE_CONTINUOUS, // SNDRV_PCM_RATE_48000,
 103         .rate_min = 8000,
 104         .rate_max = 48000,
 105         .channels_min = 1,
 106         .channels_max = 2,
 107         .buffer_bytes_max = 0x10000,
 108         .period_bytes_min = 0x0400,
 109         .period_bytes_max = 0x1000,
 110         .periods_min = 2,
 111         .periods_max = 64,
 112 };
 113 #endif
 114 #ifdef CHIP_AU8830
 115 static unsigned int au8830_channels[3] = {
 116         1, 2, 4,
 117 };
 118
 119 static struct snd_pcm_hw_constraint_list hw_constraints_au8830_channels = {
 120         .count = ARRAY_SIZE(au8830_channels),
 121         .list = au8830_channels,
 122         .mask = 0,
 123 };
 124 #endif
 125
 126 static void vortex_notify_pcm_vol_change(struct snd_card *card,
 127                         struct snd_kcontrol *kctl, int activate)
 128 {
 129         if (activate)
 130                 kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 131         else
 132                 kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 133         snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE |
 134                                 SNDRV_CTL_EVENT_MASK_INFO, &(kctl->id));
 135 }
 136
 137 /* open callback */
 138 static int snd_vortex_pcm_open(struct snd_pcm_substream *substream)
 139 {
 140         vortex_t *vortex = snd_pcm_substream_chip(substream);
 141         struct snd_pcm_runtime *runtime = substream->runtime;
 142         int err;
 143
 144         /* Force equal size periods */
 145         if ((err =
 146              snd_pcm_hw_constraint_integer(runtime,
 147                                            SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 148                 return err;
 149         /* Avoid PAGE_SIZE boundary to fall inside of a period. */
 150         if ((err =
 151              snd_pcm_hw_constraint_pow2(runtime, 0,
 152                                         SNDRV_PCM_HW_PARAM_PERIOD_BYTES)) < 0)
 153                 return err;
 154
 155         snd_pcm_hw_constraint_step(runtime, 0,
 156                                         SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 64);
 157
 158         if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
 159 #ifndef CHIP_AU8820
 160                 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_A3D) {
 161                         runtime->hw = snd_vortex_playback_hw_a3d;
 162                 }
 163 #endif
 164                 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_SPDIF) {
 165                         runtime->hw = snd_vortex_playback_hw_spdif;
 166                         switch (vortex->spdif_sr) {
 167                         case 32000:
 168                                 runtime->hw.rates = SNDRV_PCM_RATE_32000;
 169                                 break;
 170                         case 44100:
 171                                 runtime->hw.rates = SNDRV_PCM_RATE_44100;
 172                                 break;
 173                         case 48000:
 174                                 runtime->hw.rates = SNDRV_PCM_RATE_48000;
 175                                 break;
 176                         }
 177                 }
 178                 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB
 179                     || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S)
 180                         runtime->hw = snd_vortex_playback_hw_adb;
 181 #ifdef CHIP_AU8830
 182                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
 183                         VORTEX_IS_QUAD(vortex) &&
 184                         VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
 185                         runtime->hw.channels_max = 4;
 186                         snd_pcm_hw_constraint_list(runtime, 0,
 187                                 SNDRV_PCM_HW_PARAM_CHANNELS,
 188                                 &hw_constraints_au8830_channels);
 189                 }
 190 #endif
 191                 substream->runtime->private_data = NULL;
 192         }
 193 #ifndef CHIP_AU8810
 194         else {
 195                 runtime->hw = snd_vortex_playback_hw_wt;
 196                 substream->runtime->private_data = NULL;
 197         }
 198 #endif
 199         return 0;
 200 }
 201
 202 /* close callback */
 203 static int snd_vortex_pcm_close(struct snd_pcm_substream *substream)
 204 {
 205         //vortex_t *chip = snd_pcm_substream_chip(substream);
 206         stream_t *stream = (stream_t *) substream->runtime->private_data;
 207
 208         // the hardware-specific codes will be here
 209         if (stream != NULL) {
 210                 stream->substream = NULL;
 211                 stream->nr_ch = 0;
 212         }
 213         substream->runtime->private_data = NULL;
 214         return 0;
 215 }
 216
 217 /* hw_params callback */
 218 static int
 219 snd_vortex_pcm_hw_params(struct snd_pcm_substream *substream,
 220                          struct snd_pcm_hw_params *hw_params)
 221 {
 222         vortex_t *chip = snd_pcm_substream_chip(substream);
 223         stream_t *stream = (stream_t *) (substream->runtime->private_data);
 224         int err;
 225
 226         // Alloc buffer memory.
 227         err =
 228             snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 229         if (err < 0) {
 230                 printk(KERN_ERR "Vortex: pcm page alloc failed!\n");
 231                 return err;
 232         }
 233         /*
 234            printk(KERN_INFO "Vortex: periods %d, period_bytes %d, channels = %d\n", params_periods(hw_params),
 235            params_period_bytes(hw_params), params_channels(hw_params));
 236          */
 237         spin_lock_irq(&chip->lock);
 238         // Make audio routes and config buffer DMA.
 239         if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
 240                 int dma, type = VORTEX_PCM_TYPE(substream->pcm);
 241                 /* Dealloc any routes. */
 242                 if (stream != NULL)
 243                         vortex_adb_allocroute(chip, stream->dma,
 244                                               stream->nr_ch, stream->dir,
 245                                               stream->type,
 246                                               substream->number);
 247                 /* Alloc routes. */
 248                 dma =
 249                     vortex_adb_allocroute(chip, -1,
 250                                           params_channels(hw_params),
 251                                           substream->stream, type,
 252                                           substream->number);
 253                 if (dma < 0) {
 254                         spin_unlock_irq(&chip->lock);
 255                         return dma;
 256                 }
 257                 stream = substream->runtime->private_data = &chip->dma_adb[dma];
 258                 stream->substream = substream;
 259                 /* Setup Buffers. */
 260                 vortex_adbdma_setbuffers(chip, dma,
 261                                          params_period_bytes(hw_params),
 262                                          params_periods(hw_params));
 263                 if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
 264                         chip->pcm_vol[substream->number].active = 1;
 265                         vortex_notify_pcm_vol_change(chip->card,
 266                                 chip->pcm_vol[substream->number].kctl, 1);
 267                 }
 268         }
 269 #ifndef CHIP_AU8810
 270         else {
 271                 /* if (stream != NULL)
 272                    vortex_wt_allocroute(chip, substream->number, 0); */
 273                 vortex_wt_allocroute(chip, substream->number,
 274                                      params_channels(hw_params));
 275                 stream = substream->runtime->private_data =
 276                     &chip->dma_wt[substream->number];
 277                 stream->dma = substream->number;
 278                 stream->substream = substream;
 279                 vortex_wtdma_setbuffers(chip, substream->number,
 280                                         params_period_bytes(hw_params),
 281                                         params_periods(hw_params));
 282         }
 283 #endif
 284         spin_unlock_irq(&chip->lock);
 285         return 0;
 286 }
 287
 288 /* hw_free callback */
 289 static int snd_vortex_pcm_hw_free(struct snd_pcm_substream *substream)
 290 {
 291         vortex_t *chip = snd_pcm_substream_chip(substream);
 292         stream_t *stream = (stream_t *) (substream->runtime->private_data);
 293
 294         spin_lock_irq(&chip->lock);
 295         // Delete audio routes.
 296         if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
 297                 if (stream != NULL) {
 298                         if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) {
 299                                 chip->pcm_vol[substream->number].active = 0;
 300                                 vortex_notify_pcm_vol_change(chip->card,
 301                                         chip->pcm_vol[substream->number].kctl,
 302                                         0);
 303                         }
 304                         vortex_adb_allocroute(chip, stream->dma,
 305                                               stream->nr_ch, stream->dir,
 306                                               stream->type,
 307                                               substream->number);
 308                 }
 309         }
 310 #ifndef CHIP_AU8810
 311         else {
 312                 if (stream != NULL)
 313                         vortex_wt_allocroute(chip, stream->dma, 0);
 314         }
 315 #endif
 316         substream->runtime->private_data = NULL;
 317         spin_unlock_irq(&chip->lock);
 318
 319         return snd_pcm_lib_free_pages(substream);
 320 }
 321
 322 /* prepare callback */
 323 static int snd_vortex_pcm_prepare(struct snd_pcm_substream *substream)
 324 {
 325         vortex_t *chip = snd_pcm_substream_chip(substream);
 326         struct snd_pcm_runtime *runtime = substream->runtime;
 327         stream_t *stream = (stream_t *) substream->runtime->private_data;
 328         int dma = stream->dma, fmt, dir;
 329
 330         // set up the hardware with the current configuration.
 331         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 332                 dir = 1;
 333         else
 334                 dir = 0;
 335         fmt = vortex_alsafmt_aspfmt(runtime->format);
 336         spin_lock_irq(&chip->lock);
 337         if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
 338                 vortex_adbdma_setmode(chip, dma, 1, dir, fmt,
 339                                 runtime->channels == 1 ? 0 : 1, 0);
 340                 vortex_adbdma_setstartbuffer(chip, dma, 0);
 341                 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_SPDIF)
 342                         vortex_adb_setsrc(chip, dma, runtime->rate, dir);
 343         }
 344 #ifndef CHIP_AU8810
 345         else {
 346                 vortex_wtdma_setmode(chip, dma, 1, fmt, 0, 0);
 347                 // FIXME: Set rate (i guess using vortex_wt_writereg() somehow).
 348                 vortex_wtdma_setstartbuffer(chip, dma, 0);
 349         }
 350 #endif
 351         spin_unlock_irq(&chip->lock);
 352         return 0;
 353 }
 354
 355 /* trigger callback */
 356 static int snd_vortex_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 357 {
 358         vortex_t *chip = snd_pcm_substream_chip(substream);
 359         stream_t *stream = (stream_t *) substream->runtime->private_data;
 360         int dma = stream->dma;
 361
 362         spin_lock(&chip->lock);
 363         switch (cmd) {
 364         case SNDRV_PCM_TRIGGER_START:
 365                 // do something to start the PCM engine
 366                 //printk(KERN_INFO "vortex: start %d\n", dma);
 367                 stream->fifo_enabled = 1;
 368                 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT) {
 369                         vortex_adbdma_resetup(chip, dma);
 370                         vortex_adbdma_startfifo(chip, dma);
 371                 }
 372 #ifndef CHIP_AU8810
 373                 else {
 374                         printk(KERN_INFO "vortex: wt start %d\n", dma);
 375                         vortex_wtdma_startfifo(chip, dma);
 376                 }
 377 #endif
 378                 break;
 379         case SNDRV_PCM_TRIGGER_STOP:
 380                 // do something to stop the PCM engine
 381                 //printk(KERN_INFO "vortex: stop %d\n", dma);
 382                 stream->fifo_enabled = 0;
 383                 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
 384                         vortex_adbdma_stopfifo(chip, dma);
 385 #ifndef CHIP_AU8810
 386                 else {
 387                         printk(KERN_INFO "vortex: wt stop %d\n", dma);
 388                         vortex_wtdma_stopfifo(chip, dma);
 389                 }
 390 #endif
 391                 break;
 392         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 393                 //printk(KERN_INFO "vortex: pause %d\n", dma);
 394                 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
 395                         vortex_adbdma_pausefifo(chip, dma);
 396 #ifndef CHIP_AU8810
 397                 else
 398                         vortex_wtdma_pausefifo(chip, dma);
 399 #endif
 400                 break;
 401         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 402                 //printk(KERN_INFO "vortex: resume %d\n", dma);
 403                 if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
 404                         vortex_adbdma_resumefifo(chip, dma);
 405 #ifndef CHIP_AU8810
 406                 else
 407                         vortex_wtdma_resumefifo(chip, dma);
 408 #endif
 409                 break;
 410         default:
 411                 spin_unlock(&chip->lock);
 412                 return -EINVAL;
 413         }
 414         spin_unlock(&chip->lock);
 415         return 0;
 416 }
 417
 418 /* pointer callback */
 419 static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream *substream)
 420 {
 421         vortex_t *chip = snd_pcm_substream_chip(substream);
 422         stream_t *stream = (stream_t *) substream->runtime->private_data;
 423         int dma = stream->dma;
 424         snd_pcm_uframes_t current_ptr = 0;
 425
 426         spin_lock(&chip->lock);
 427         if (VORTEX_PCM_TYPE(substream->pcm) != VORTEX_PCM_WT)
 428                 current_ptr = vortex_adbdma_getlinearpos(chip, dma);
 429 #ifndef CHIP_AU8810
 430         else
 431                 current_ptr = vortex_wtdma_getlinearpos(chip, dma);
 432 #endif
 433         //printk(KERN_INFO "vortex: pointer = 0x%x\n", current_ptr);
 434         spin_unlock(&chip->lock);
 435         return (bytes_to_frames(substream->runtime, current_ptr));
 436 }
 437
 438 /* operators */
 439 static struct snd_pcm_ops snd_vortex_playback_ops = {
 440         .open = snd_vortex_pcm_open,
 441         .close = snd_vortex_pcm_close,
 442         .ioctl = snd_pcm_lib_ioctl,
 443         .hw_params = snd_vortex_pcm_hw_params,
 444         .hw_free = snd_vortex_pcm_hw_free,
 445         .prepare = snd_vortex_pcm_prepare,
 446         .trigger = snd_vortex_pcm_trigger,
 447         .pointer = snd_vortex_pcm_pointer,
 448         .page = snd_pcm_sgbuf_ops_page,
 449 };
 450
 451 /*
 452 *  definitions of capture are omitted here...
 453 */
 454
 455 static char *vortex_pcm_prettyname[VORTEX_PCM_LAST] = {
 456         CARD_NAME " ADB",
 457         CARD_NAME " SPDIF",
 458         CARD_NAME " A3D",
 459         CARD_NAME " WT",
 460         CARD_NAME " I2S",
 461 };
 462 static char *vortex_pcm_name[VORTEX_PCM_LAST] = {
 463         "adb",
 464         "spdif",
 465         "a3d",
 466         "wt",
 467         "i2s",
 468 };
 469
 470 /* SPDIF kcontrol */
 471
 472 static int snd_vortex_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 473 {
 474         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 475         uinfo->count = 1;
 476         return 0;
 477 }
 478
 479 static int snd_vortex_spdif_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 480 {
 481         ucontrol->value.iec958.status[0] = 0xff;
 482         ucontrol->value.iec958.status[1] = 0xff;
 483         ucontrol->value.iec958.status[2] = 0xff;
 484         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
 485         return 0;
 486 }
 487
 488 static int snd_vortex_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 489 {
 490         vortex_t *vortex = snd_kcontrol_chip(kcontrol);
 491         ucontrol->value.iec958.status[0] = 0x00;
 492         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_ORIGINAL|IEC958_AES1_CON_DIGDIGCONV_ID;
 493         ucontrol->value.iec958.status[2] = 0x00;
 494         switch (vortex->spdif_sr) {
 495         case 32000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_32000; break;
 496         case 44100: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_44100; break;
 497         case 48000: ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS_48000; break;
 498         }
 499         return 0;
 500 }
 501
 502 static int snd_vortex_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 503 {
 504         vortex_t *vortex = snd_kcontrol_chip(kcontrol);
 505         int spdif_sr = 48000;
 506         switch (ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) {
 507         case IEC958_AES3_CON_FS_32000: spdif_sr = 32000; break;
 508         case IEC958_AES3_CON_FS_44100: spdif_sr = 44100; break;
 509         case IEC958_AES3_CON_FS_48000: spdif_sr = 48000; break;
 510         }
 511         if (spdif_sr == vortex->spdif_sr)
 512                 return 0;
 513         vortex->spdif_sr = spdif_sr;
 514         vortex_spdif_init(vortex, vortex->spdif_sr, 1);
 515         return 1;
 516 }
 517
 518 /* spdif controls */
 519 static struct snd_kcontrol_new snd_vortex_mixer_spdif[] = {
 520         {
 521                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 522                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 523                 .info =         snd_vortex_spdif_info,
 524                 .get =          snd_vortex_spdif_get,
 525                 .put =          snd_vortex_spdif_put,
 526         },
 527         {
 528                 .access =       SNDRV_CTL_ELEM_ACCESS_READ,
 529                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 530                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
 531                 .info =         snd_vortex_spdif_info,
 532                 .get =          snd_vortex_spdif_mask_get
 533         },
 534 };
 535
 536 /* subdevice PCM Volume control */
 537
 538 static int snd_vortex_pcm_vol_info(struct snd_kcontrol *kcontrol,
 539                                 struct snd_ctl_elem_info *uinfo)
 540 {
 541         vortex_t *vortex = snd_kcontrol_chip(kcontrol);
 542         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 543         uinfo->count = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
 544         uinfo->value.integer.min = -128;
 545         uinfo->value.integer.max = 32;
 546         return 0;
 547 }
 548
 549 static int snd_vortex_pcm_vol_get(struct snd_kcontrol *kcontrol,
 550                                 struct snd_ctl_elem_value *ucontrol)
 551 {
 552         int i;
 553         vortex_t *vortex = snd_kcontrol_chip(kcontrol);
 554         int subdev = kcontrol->id.subdevice;
 555         struct pcm_vol *p = &vortex->pcm_vol[subdev];
 556         int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
 557         for (i = 0; i < max_chn; i++)
 558                 ucontrol->value.integer.value[i] = p->vol[i];
 559         return 0;
 560 }
 561
 562 static int snd_vortex_pcm_vol_put(struct snd_kcontrol *kcontrol,
 563                                 struct snd_ctl_elem_value *ucontrol)
 564 {
 565         int i;
 566         int changed = 0;
 567         int mixin;
 568         unsigned char vol;
 569         vortex_t *vortex = snd_kcontrol_chip(kcontrol);
 570         int subdev = kcontrol->id.subdevice;
 571         struct pcm_vol *p = &vortex->pcm_vol[subdev];
 572         int max_chn = (VORTEX_IS_QUAD(vortex) ? 4 : 2);
 573         for (i = 0; i < max_chn; i++) {
 574                 if (p->vol[i] != ucontrol->value.integer.value[i]) {
 575                         p->vol[i] = ucontrol->value.integer.value[i];
 576                         if (p->active) {
 577                                 switch (vortex->dma_adb[p->dma].nr_ch) {
 578                                 case 1:
 579                                         mixin = p->mixin[0];
 580                                         break;
 581                                 case 2:
 582                                 default:
 583                                         mixin = p->mixin[(i < 2) ? i : (i - 2)];
 584                                         break;
 585                                 case 4:
 586                                         mixin = p->mixin[i];
 587                                         break;
 588                                 }
 589                                 vol = p->vol[i];
 590                                 vortex_mix_setinputvolumebyte(vortex,
 591                                         vortex->mixplayb[i], mixin, vol);
 592                         }
 593                         changed = 1;
 594                 }
 595         }
 596         return changed;
 597 }
 598
 599 static const DECLARE_TLV_DB_MINMAX(vortex_pcm_vol_db_scale, -9600, 2400);
 600
 601 static struct snd_kcontrol_new snd_vortex_pcm_vol = {
 602         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 603         .name = "PCM Playback Volume",
 604         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 605                 SNDRV_CTL_ELEM_ACCESS_TLV_READ |
 606                 SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 607         .info = snd_vortex_pcm_vol_info,
 608         .get = snd_vortex_pcm_vol_get,
 609         .put = snd_vortex_pcm_vol_put,
 610         .tlv = { .p = vortex_pcm_vol_db_scale },
 611 };
 612
 613 /* create a pcm device */
 614 static int snd_vortex_new_pcm(vortex_t *chip, int idx, int nr)
 615 {
 616         struct snd_pcm *pcm;
 617         struct snd_kcontrol *kctl;
 618         int i;
 619         int err, nr_capt;
 620
 621         if (!chip || idx < 0 || idx >= VORTEX_PCM_LAST)
 622                 return -ENODEV;
 623
 624         /* idx indicates which kind of PCM device. ADB, SPDIF, I2S and A3D share the
 625          * same dma engine. WT uses it own separate dma engine which can't capture. */
 626         if (idx == VORTEX_PCM_ADB)
 627                 nr_capt = nr;
 628         else
 629                 nr_capt = 0;
 630         err = snd_pcm_new(chip->card, vortex_pcm_prettyname[idx], idx, nr,
 631                           nr_capt, &pcm);
 632         if (err < 0)
 633                 return err;
 634         snprintf(pcm->name, sizeof(pcm->name),
 635                 "%s %s", CARD_NAME_SHORT, vortex_pcm_name[idx]);
 636         chip->pcm[idx] = pcm;
 637         // This is an evil hack, but it saves a lot of duplicated code.
 638         VORTEX_PCM_TYPE(pcm) = idx;
 639         pcm->private_data = chip;
 640         /* set operators */
 641         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 642                         &snd_vortex_playback_ops);
 643         if (idx == VORTEX_PCM_ADB)
 644                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
 645                                 &snd_vortex_playback_ops);
 646
 647         /* pre-allocation of Scatter-Gather buffers */
 648
 649         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
 650                                               snd_dma_pci_data(chip->pci_dev),
 651                                               0x10000, 0x10000);
 652
 653         if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_SPDIF) {
 654                 for (i = 0; i < ARRAY_SIZE(snd_vortex_mixer_spdif); i++) {
 655                         kctl = snd_ctl_new1(&snd_vortex_mixer_spdif[i], chip);
 656                         if (!kctl)
 657                                 return -ENOMEM;
 658                         if ((err = snd_ctl_add(chip->card, kctl)) < 0)
 659                                 return err;
 660                 }
 661         }
 662         if (VORTEX_PCM_TYPE(pcm) == VORTEX_PCM_ADB) {
 663                 for (i = 0; i < NR_PCM; i++) {
 664                         chip->pcm_vol[i].active = 0;
 665                         chip->pcm_vol[i].dma = -1;
 666                         kctl = snd_ctl_new1(&snd_vortex_pcm_vol, chip);
 667                         if (!kctl)
 668                                 return -ENOMEM;
 669                         chip->pcm_vol[i].kctl = kctl;
 670                         kctl->id.device = 0;
 671                         kctl->id.subdevice = i;
 672                         err = snd_ctl_add(chip->card, kctl);
 673                         if (err < 0)
 674                                 return err;
 675                 }
 676         }
 677         return 0;
 678 }