err.no Git - linux-2.6/blob - sound/pci/oxygen/oxygen_pcm.c

   1 /*
   2  * C-Media CMI8788 driver - PCM code
   3  *
   4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
   5  *
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License, version 2.
   9  *
  10  *  This driver is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this driver; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18  */
  19
  20 #include <linux/pci.h>
  21 #include <sound/control.h>
  22 #include <sound/core.h>
  23 #include <sound/pcm.h>
  24 #include <sound/pcm_params.h>
  25 #include "oxygen.h"
  26
  27 static const struct snd_pcm_hardware oxygen_stereo_hardware = {
  28         .info = SNDRV_PCM_INFO_MMAP |
  29                 SNDRV_PCM_INFO_MMAP_VALID |
  30                 SNDRV_PCM_INFO_INTERLEAVED |
  31                 SNDRV_PCM_INFO_PAUSE |
  32                 SNDRV_PCM_INFO_SYNC_START,
  33         .formats = SNDRV_PCM_FMTBIT_S16_LE |
  34                    SNDRV_PCM_FMTBIT_S32_LE,
  35         .rates = SNDRV_PCM_RATE_32000 |
  36                  SNDRV_PCM_RATE_44100 |
  37                  SNDRV_PCM_RATE_48000 |
  38                  SNDRV_PCM_RATE_64000 |
  39                  SNDRV_PCM_RATE_88200 |
  40                  SNDRV_PCM_RATE_96000 |
  41                  SNDRV_PCM_RATE_176400 |
  42                  SNDRV_PCM_RATE_192000,
  43         .rate_min = 32000,
  44         .rate_max = 192000,
  45         .channels_min = 2,
  46         .channels_max = 2,
  47         .buffer_bytes_max = 256 * 1024,
  48         .period_bytes_min = 128,
  49         .period_bytes_max = 128 * 1024,
  50         .periods_min = 2,
  51         .periods_max = 2048,
  52 };
  53 static const struct snd_pcm_hardware oxygen_multichannel_hardware = {
  54         .info = SNDRV_PCM_INFO_MMAP |
  55                 SNDRV_PCM_INFO_MMAP_VALID |
  56                 SNDRV_PCM_INFO_INTERLEAVED |
  57                 SNDRV_PCM_INFO_PAUSE |
  58                 SNDRV_PCM_INFO_SYNC_START,
  59         .formats = SNDRV_PCM_FMTBIT_S16_LE |
  60                    SNDRV_PCM_FMTBIT_S32_LE,
  61         .rates = SNDRV_PCM_RATE_32000 |
  62                  SNDRV_PCM_RATE_44100 |
  63                  SNDRV_PCM_RATE_48000 |
  64                  SNDRV_PCM_RATE_64000 |
  65                  SNDRV_PCM_RATE_88200 |
  66                  SNDRV_PCM_RATE_96000 |
  67                  SNDRV_PCM_RATE_176400 |
  68                  SNDRV_PCM_RATE_192000,
  69         .rate_min = 32000,
  70         .rate_max = 192000,
  71         .channels_min = 2,
  72         .channels_max = 8,
  73         .buffer_bytes_max = 2048 * 1024,
  74         .period_bytes_min = 128,
  75         .period_bytes_max = 256 * 1024,
  76         .periods_min = 2,
  77         .periods_max = 16384,
  78 };
  79 static const struct snd_pcm_hardware oxygen_ac97_hardware = {
  80         .info = SNDRV_PCM_INFO_MMAP |
  81                 SNDRV_PCM_INFO_MMAP_VALID |
  82                 SNDRV_PCM_INFO_INTERLEAVED |
  83                 SNDRV_PCM_INFO_PAUSE |
  84                 SNDRV_PCM_INFO_SYNC_START,
  85         .formats = SNDRV_PCM_FMTBIT_S16_LE,
  86         .rates = SNDRV_PCM_RATE_48000,
  87         .rate_min = 48000,
  88         .rate_max = 48000,
  89         .channels_min = 2,
  90         .channels_max = 2,
  91         .buffer_bytes_max = 256 * 1024,
  92         .period_bytes_min = 128,
  93         .period_bytes_max = 128 * 1024,
  94         .periods_min = 2,
  95         .periods_max = 2048,
  96 };
  97
  98 static const struct snd_pcm_hardware *const oxygen_hardware[PCM_COUNT] = {
  99         [PCM_A] = &oxygen_stereo_hardware,
 100         [PCM_B] = &oxygen_stereo_hardware,
 101         [PCM_C] = &oxygen_stereo_hardware,
 102         [PCM_SPDIF] = &oxygen_stereo_hardware,
 103         [PCM_MULTICH] = &oxygen_multichannel_hardware,
 104         [PCM_AC97] = &oxygen_ac97_hardware,
 105 };
 106
 107 static inline unsigned int
 108 oxygen_substream_channel(struct snd_pcm_substream *substream)
 109 {
 110         return (unsigned int)(uintptr_t)substream->runtime->private_data;
 111 }
 112
 113 static int oxygen_open(struct snd_pcm_substream *substream,
 114                        unsigned int channel)
 115 {
 116         struct oxygen *chip = snd_pcm_substream_chip(substream);
 117         struct snd_pcm_runtime *runtime = substream->runtime;
 118         int err;
 119
 120         runtime->private_data = (void *)(uintptr_t)channel;
 121         runtime->hw = *oxygen_hardware[channel];
 122         switch (channel) {
 123         case PCM_C:
 124                 runtime->hw.rates &= ~(SNDRV_PCM_RATE_32000 |
 125                                        SNDRV_PCM_RATE_64000);
 126                 runtime->hw.rate_min = 44100;
 127                 break;
 128         case PCM_MULTICH:
 129                 runtime->hw.channels_max = chip->model->dac_channels;
 130                 break;
 131         }
 132         if (chip->model->pcm_hardware_filter)
 133                 chip->model->pcm_hardware_filter(channel, &runtime->hw);
 134         err = snd_pcm_hw_constraint_step(runtime, 0,
 135                                          SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
 136         if (err < 0)
 137                 return err;
 138         err = snd_pcm_hw_constraint_step(runtime, 0,
 139                                          SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
 140         if (err < 0)
 141                 return err;
 142         if (runtime->hw.formats & SNDRV_PCM_FMTBIT_S32_LE) {
 143                 err = snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24);
 144                 if (err < 0)
 145                         return err;
 146         }
 147         if (runtime->hw.channels_max > 2) {
 148                 err = snd_pcm_hw_constraint_step(runtime, 0,
 149                                                  SNDRV_PCM_HW_PARAM_CHANNELS,
 150                                                  2);
 151                 if (err < 0)
 152                         return err;
 153         }
 154         snd_pcm_set_sync(substream);
 155         chip->streams[channel] = substream;
 156
 157         mutex_lock(&chip->mutex);
 158         chip->pcm_active |= 1 << channel;
 159         if (channel == PCM_SPDIF) {
 160                 chip->spdif_pcm_bits = chip->spdif_bits;
 161                 chip->controls[CONTROL_SPDIF_PCM]->vd[0].access &=
 162                         ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 163                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
 164                                SNDRV_CTL_EVENT_MASK_INFO,
 165                                &chip->controls[CONTROL_SPDIF_PCM]->id);
 166         }
 167         mutex_unlock(&chip->mutex);
 168
 169         return 0;
 170 }
 171
 172 static int oxygen_rec_a_open(struct snd_pcm_substream *substream)
 173 {
 174         return oxygen_open(substream, PCM_A);
 175 }
 176
 177 static int oxygen_rec_b_open(struct snd_pcm_substream *substream)
 178 {
 179         return oxygen_open(substream, PCM_B);
 180 }
 181
 182 static int oxygen_rec_c_open(struct snd_pcm_substream *substream)
 183 {
 184         return oxygen_open(substream, PCM_C);
 185 }
 186
 187 static int oxygen_spdif_open(struct snd_pcm_substream *substream)
 188 {
 189         return oxygen_open(substream, PCM_SPDIF);
 190 }
 191
 192 static int oxygen_multich_open(struct snd_pcm_substream *substream)
 193 {
 194         return oxygen_open(substream, PCM_MULTICH);
 195 }
 196
 197 static int oxygen_ac97_open(struct snd_pcm_substream *substream)
 198 {
 199         return oxygen_open(substream, PCM_AC97);
 200 }
 201
 202 static int oxygen_close(struct snd_pcm_substream *substream)
 203 {
 204         struct oxygen *chip = snd_pcm_substream_chip(substream);
 205         unsigned int channel = oxygen_substream_channel(substream);
 206
 207         mutex_lock(&chip->mutex);
 208         chip->pcm_active &= ~(1 << channel);
 209         if (channel == PCM_SPDIF) {
 210                 chip->controls[CONTROL_SPDIF_PCM]->vd[0].access |=
 211                         SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 212                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
 213                                SNDRV_CTL_EVENT_MASK_INFO,
 214                                &chip->controls[CONTROL_SPDIF_PCM]->id);
 215         }
 216         if (channel == PCM_SPDIF || channel == PCM_MULTICH)
 217                 oxygen_update_spdif_source(chip);
 218         mutex_unlock(&chip->mutex);
 219
 220         chip->streams[channel] = NULL;
 221         return 0;
 222 }
 223
 224 static unsigned int oxygen_format(struct snd_pcm_hw_params *hw_params)
 225 {
 226         if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE)
 227                 return OXYGEN_FORMAT_24;
 228         else
 229                 return OXYGEN_FORMAT_16;
 230 }
 231
 232 static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params)
 233 {
 234         switch (params_rate(hw_params)) {
 235         case 32000:
 236                 return OXYGEN_RATE_32000;
 237         case 44100:
 238                 return OXYGEN_RATE_44100;
 239         default: /* 48000 */
 240                 return OXYGEN_RATE_48000;
 241         case 64000:
 242                 return OXYGEN_RATE_64000;
 243         case 88200:
 244                 return OXYGEN_RATE_88200;
 245         case 96000:
 246                 return OXYGEN_RATE_96000;
 247         case 176400:
 248                 return OXYGEN_RATE_176400;
 249         case 192000:
 250                 return OXYGEN_RATE_192000;
 251         }
 252 }
 253
 254 static unsigned int oxygen_i2s_mclk(struct snd_pcm_hw_params *hw_params)
 255 {
 256         return params_rate(hw_params) <= 96000
 257                 ? OXYGEN_I2S_MCLK_256 : OXYGEN_I2S_MCLK_128;
 258 }
 259
 260 static unsigned int oxygen_i2s_bits(struct snd_pcm_hw_params *hw_params)
 261 {
 262         if (params_format(hw_params) == SNDRV_PCM_FORMAT_S32_LE)
 263                 return OXYGEN_I2S_BITS_24;
 264         else
 265                 return OXYGEN_I2S_BITS_16;
 266 }
 267
 268 static unsigned int oxygen_play_channels(struct snd_pcm_hw_params *hw_params)
 269 {
 270         switch (params_channels(hw_params)) {
 271         default: /* 2 */
 272                 return OXYGEN_PLAY_CHANNELS_2;
 273         case 4:
 274                 return OXYGEN_PLAY_CHANNELS_4;
 275         case 6:
 276                 return OXYGEN_PLAY_CHANNELS_6;
 277         case 8:
 278                 return OXYGEN_PLAY_CHANNELS_8;
 279         }
 280 }
 281
 282 static const unsigned int channel_base_registers[PCM_COUNT] = {
 283         [PCM_A] = OXYGEN_DMA_A_ADDRESS,
 284         [PCM_B] = OXYGEN_DMA_B_ADDRESS,
 285         [PCM_C] = OXYGEN_DMA_C_ADDRESS,
 286         [PCM_SPDIF] = OXYGEN_DMA_SPDIF_ADDRESS,
 287         [PCM_MULTICH] = OXYGEN_DMA_MULTICH_ADDRESS,
 288         [PCM_AC97] = OXYGEN_DMA_AC97_ADDRESS,
 289 };
 290
 291 static int oxygen_hw_params(struct snd_pcm_substream *substream,
 292                             struct snd_pcm_hw_params *hw_params)
 293 {
 294         struct oxygen *chip = snd_pcm_substream_chip(substream);
 295         unsigned int channel = oxygen_substream_channel(substream);
 296         int err;
 297
 298         err = snd_pcm_lib_malloc_pages(substream,
 299                                        params_buffer_bytes(hw_params));
 300         if (err < 0)
 301                 return err;
 302
 303         oxygen_write32(chip, channel_base_registers[channel],
 304                        (u32)substream->runtime->dma_addr);
 305         if (channel == PCM_MULTICH) {
 306                 oxygen_write32(chip, OXYGEN_DMA_MULTICH_COUNT,
 307                                params_buffer_bytes(hw_params) / 4 - 1);
 308                 oxygen_write32(chip, OXYGEN_DMA_MULTICH_TCOUNT,
 309                                params_period_bytes(hw_params) / 4 - 1);
 310         } else {
 311                 oxygen_write16(chip, channel_base_registers[channel] + 4,
 312                                params_buffer_bytes(hw_params) / 4 - 1);
 313                 oxygen_write16(chip, channel_base_registers[channel] + 6,
 314                                params_period_bytes(hw_params) / 4 - 1);
 315         }
 316         return 0;
 317 }
 318
 319 static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream,
 320                                   struct snd_pcm_hw_params *hw_params)
 321 {
 322         struct oxygen *chip = snd_pcm_substream_chip(substream);
 323         int err;
 324
 325         err = oxygen_hw_params(substream, hw_params);
 326         if (err < 0)
 327                 return err;
 328
 329         spin_lock_irq(&chip->reg_lock);
 330         oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
 331                              oxygen_format(hw_params) << OXYGEN_REC_FORMAT_A_SHIFT,
 332                              OXYGEN_REC_FORMAT_A_MASK);
 333         oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT,
 334                               oxygen_rate(hw_params) |
 335                               oxygen_i2s_mclk(hw_params) |
 336                               chip->model->adc_i2s_format |
 337                               oxygen_i2s_bits(hw_params),
 338                               OXYGEN_I2S_RATE_MASK |
 339                               OXYGEN_I2S_FORMAT_MASK |
 340                               OXYGEN_I2S_MCLK_MASK |
 341                               OXYGEN_I2S_BITS_MASK);
 342         oxygen_write8_masked(chip, OXYGEN_REC_ROUTING,
 343                              OXYGEN_REC_A_ROUTE_I2S_ADC_1,
 344                              OXYGEN_REC_A_ROUTE_MASK);
 345         spin_unlock_irq(&chip->reg_lock);
 346
 347         mutex_lock(&chip->mutex);
 348         chip->model->set_adc_params(chip, hw_params);
 349         mutex_unlock(&chip->mutex);
 350         return 0;
 351 }
 352
 353 static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream,
 354                                   struct snd_pcm_hw_params *hw_params)
 355 {
 356         struct oxygen *chip = snd_pcm_substream_chip(substream);
 357         int err;
 358
 359         err = oxygen_hw_params(substream, hw_params);
 360         if (err < 0)
 361                 return err;
 362
 363         spin_lock_irq(&chip->reg_lock);
 364         oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
 365                              oxygen_format(hw_params) << OXYGEN_REC_FORMAT_B_SHIFT,
 366                              OXYGEN_REC_FORMAT_B_MASK);
 367         oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT,
 368                               oxygen_rate(hw_params) |
 369                               oxygen_i2s_mclk(hw_params) |
 370                               chip->model->adc_i2s_format |
 371                               oxygen_i2s_bits(hw_params),
 372                               OXYGEN_I2S_RATE_MASK |
 373                               OXYGEN_I2S_FORMAT_MASK |
 374                               OXYGEN_I2S_MCLK_MASK |
 375                               OXYGEN_I2S_BITS_MASK);
 376         oxygen_write8_masked(chip, OXYGEN_REC_ROUTING,
 377                              OXYGEN_REC_B_ROUTE_I2S_ADC_2,
 378                              OXYGEN_REC_B_ROUTE_MASK);
 379         spin_unlock_irq(&chip->reg_lock);
 380
 381         mutex_lock(&chip->mutex);
 382         chip->model->set_adc_params(chip, hw_params);
 383         mutex_unlock(&chip->mutex);
 384         return 0;
 385 }
 386
 387 static int oxygen_rec_c_hw_params(struct snd_pcm_substream *substream,
 388                                   struct snd_pcm_hw_params *hw_params)
 389 {
 390         struct oxygen *chip = snd_pcm_substream_chip(substream);
 391         int err;
 392
 393         err = oxygen_hw_params(substream, hw_params);
 394         if (err < 0)
 395                 return err;
 396
 397         spin_lock_irq(&chip->reg_lock);
 398         oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
 399                              oxygen_format(hw_params) << OXYGEN_REC_FORMAT_C_SHIFT,
 400                              OXYGEN_REC_FORMAT_C_MASK);
 401         oxygen_write8_masked(chip, OXYGEN_REC_ROUTING,
 402                              OXYGEN_REC_C_ROUTE_SPDIF,
 403                              OXYGEN_REC_C_ROUTE_MASK);
 404         spin_unlock_irq(&chip->reg_lock);
 405         return 0;
 406 }
 407
 408 static int oxygen_spdif_hw_params(struct snd_pcm_substream *substream,
 409                                   struct snd_pcm_hw_params *hw_params)
 410 {
 411         struct oxygen *chip = snd_pcm_substream_chip(substream);
 412         int err;
 413
 414         err = oxygen_hw_params(substream, hw_params);
 415         if (err < 0)
 416                 return err;
 417
 418         spin_lock_irq(&chip->reg_lock);
 419         oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
 420                             OXYGEN_SPDIF_OUT_ENABLE);
 421         oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT,
 422                              oxygen_format(hw_params) << OXYGEN_SPDIF_FORMAT_SHIFT,
 423                              OXYGEN_SPDIF_FORMAT_MASK);
 424         oxygen_write32_masked(chip, OXYGEN_SPDIF_CONTROL,
 425                               oxygen_rate(hw_params) << OXYGEN_SPDIF_OUT_RATE_SHIFT,
 426                               OXYGEN_SPDIF_OUT_RATE_MASK);
 427         oxygen_update_spdif_source(chip);
 428         spin_unlock_irq(&chip->reg_lock);
 429         return 0;
 430 }
 431
 432 static int oxygen_multich_hw_params(struct snd_pcm_substream *substream,
 433                                     struct snd_pcm_hw_params *hw_params)
 434 {
 435         struct oxygen *chip = snd_pcm_substream_chip(substream);
 436         int err;
 437
 438         err = oxygen_hw_params(substream, hw_params);
 439         if (err < 0)
 440                 return err;
 441
 442         spin_lock_irq(&chip->reg_lock);
 443         oxygen_write8_masked(chip, OXYGEN_PLAY_CHANNELS,
 444                              oxygen_play_channels(hw_params),
 445                              OXYGEN_PLAY_CHANNELS_MASK);
 446         oxygen_write8_masked(chip, OXYGEN_PLAY_FORMAT,
 447                              oxygen_format(hw_params) << OXYGEN_MULTICH_FORMAT_SHIFT,
 448                              OXYGEN_MULTICH_FORMAT_MASK);
 449         oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
 450                               oxygen_rate(hw_params) |
 451                               chip->model->dac_i2s_format |
 452                               oxygen_i2s_bits(hw_params),
 453                               OXYGEN_I2S_RATE_MASK |
 454                               OXYGEN_I2S_FORMAT_MASK |
 455                               OXYGEN_I2S_BITS_MASK);
 456         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING,
 457                               OXYGEN_PLAY_MULTICH_I2S_DAC,
 458                               OXYGEN_PLAY_MUTE01 | OXYGEN_PLAY_MUTE23 |
 459                               OXYGEN_PLAY_MUTE45 | OXYGEN_PLAY_MUTE67 |
 460                               OXYGEN_PLAY_MULTICH_MASK);
 461         oxygen_update_dac_routing(chip);
 462         oxygen_update_spdif_source(chip);
 463         spin_unlock_irq(&chip->reg_lock);
 464
 465         mutex_lock(&chip->mutex);
 466         chip->model->set_dac_params(chip, hw_params);
 467         mutex_unlock(&chip->mutex);
 468         return 0;
 469 }
 470
 471 static int oxygen_hw_free(struct snd_pcm_substream *substream)
 472 {
 473         struct oxygen *chip = snd_pcm_substream_chip(substream);
 474         unsigned int channel = oxygen_substream_channel(substream);
 475
 476         spin_lock_irq(&chip->reg_lock);
 477         chip->interrupt_mask &= ~(1 << channel);
 478         oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
 479         spin_unlock_irq(&chip->reg_lock);
 480
 481         return snd_pcm_lib_free_pages(substream);
 482 }
 483
 484 static int oxygen_spdif_hw_free(struct snd_pcm_substream *substream)
 485 {
 486         struct oxygen *chip = snd_pcm_substream_chip(substream);
 487
 488         spin_lock_irq(&chip->reg_lock);
 489         oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
 490                             OXYGEN_SPDIF_OUT_ENABLE);
 491         spin_unlock_irq(&chip->reg_lock);
 492         return oxygen_hw_free(substream);
 493 }
 494
 495 static int oxygen_prepare(struct snd_pcm_substream *substream)
 496 {
 497         struct oxygen *chip = snd_pcm_substream_chip(substream);
 498         unsigned int channel = oxygen_substream_channel(substream);
 499         unsigned int channel_mask = 1 << channel;
 500
 501         spin_lock_irq(&chip->reg_lock);
 502         oxygen_set_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
 503         oxygen_clear_bits8(chip, OXYGEN_DMA_FLUSH, channel_mask);
 504
 505         chip->interrupt_mask |= channel_mask;
 506         oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
 507         spin_unlock_irq(&chip->reg_lock);
 508         return 0;
 509 }
 510
 511 static int oxygen_trigger(struct snd_pcm_substream *substream, int cmd)
 512 {
 513         struct oxygen *chip = snd_pcm_substream_chip(substream);
 514         struct snd_pcm_substream *s;
 515         unsigned int mask = 0;
 516         int pausing;
 517
 518         switch (cmd) {
 519         case SNDRV_PCM_TRIGGER_STOP:
 520         case SNDRV_PCM_TRIGGER_START:
 521                 pausing = 0;
 522                 break;
 523         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 524         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 525                 pausing = 1;
 526                 break;
 527         default:
 528                 return -EINVAL;
 529         }
 530
 531         snd_pcm_group_for_each_entry(s, substream) {
 532                 if (snd_pcm_substream_chip(s) == chip) {
 533                         mask |= 1 << oxygen_substream_channel(s);
 534                         snd_pcm_trigger_done(s, substream);
 535                 }
 536         }
 537
 538         spin_lock(&chip->reg_lock);
 539         if (!pausing) {
 540                 if (cmd == SNDRV_PCM_TRIGGER_START)
 541                         chip->pcm_running |= mask;
 542                 else
 543                         chip->pcm_running &= ~mask;
 544                 oxygen_write8(chip, OXYGEN_DMA_STATUS, chip->pcm_running);
 545         } else {
 546                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 547                         oxygen_set_bits8(chip, OXYGEN_DMA_PAUSE, mask);
 548                 else
 549                         oxygen_clear_bits8(chip, OXYGEN_DMA_PAUSE, mask);
 550         }
 551         spin_unlock(&chip->reg_lock);
 552         return 0;
 553 }
 554
 555 static snd_pcm_uframes_t oxygen_pointer(struct snd_pcm_substream *substream)
 556 {
 557         struct oxygen *chip = snd_pcm_substream_chip(substream);
 558         struct snd_pcm_runtime *runtime = substream->runtime;
 559         unsigned int channel = oxygen_substream_channel(substream);
 560         u32 curr_addr;
 561
 562         /* no spinlock, this read should be atomic */
 563         curr_addr = oxygen_read32(chip, channel_base_registers[channel]);
 564         return bytes_to_frames(runtime, curr_addr - (u32)runtime->dma_addr);
 565 }
 566
 567 static struct snd_pcm_ops oxygen_rec_a_ops = {
 568         .open      = oxygen_rec_a_open,
 569         .close     = oxygen_close,
 570         .ioctl     = snd_pcm_lib_ioctl,
 571         .hw_params = oxygen_rec_a_hw_params,
 572         .hw_free   = oxygen_hw_free,
 573         .prepare   = oxygen_prepare,
 574         .trigger   = oxygen_trigger,
 575         .pointer   = oxygen_pointer,
 576 };
 577
 578 static struct snd_pcm_ops oxygen_rec_b_ops = {
 579         .open      = oxygen_rec_b_open,
 580         .close     = oxygen_close,
 581         .ioctl     = snd_pcm_lib_ioctl,
 582         .hw_params = oxygen_rec_b_hw_params,
 583         .hw_free   = oxygen_hw_free,
 584         .prepare   = oxygen_prepare,
 585         .trigger   = oxygen_trigger,
 586         .pointer   = oxygen_pointer,
 587 };
 588
 589 static struct snd_pcm_ops oxygen_rec_c_ops = {
 590         .open      = oxygen_rec_c_open,
 591         .close     = oxygen_close,
 592         .ioctl     = snd_pcm_lib_ioctl,
 593         .hw_params = oxygen_rec_c_hw_params,
 594         .hw_free   = oxygen_hw_free,
 595         .prepare   = oxygen_prepare,
 596         .trigger   = oxygen_trigger,
 597         .pointer   = oxygen_pointer,
 598 };
 599
 600 static struct snd_pcm_ops oxygen_spdif_ops = {
 601         .open      = oxygen_spdif_open,
 602         .close     = oxygen_close,
 603         .ioctl     = snd_pcm_lib_ioctl,
 604         .hw_params = oxygen_spdif_hw_params,
 605         .hw_free   = oxygen_spdif_hw_free,
 606         .prepare   = oxygen_prepare,
 607         .trigger   = oxygen_trigger,
 608         .pointer   = oxygen_pointer,
 609 };
 610
 611 static struct snd_pcm_ops oxygen_multich_ops = {
 612         .open      = oxygen_multich_open,
 613         .close     = oxygen_close,
 614         .ioctl     = snd_pcm_lib_ioctl,
 615         .hw_params = oxygen_multich_hw_params,
 616         .hw_free   = oxygen_hw_free,
 617         .prepare   = oxygen_prepare,
 618         .trigger   = oxygen_trigger,
 619         .pointer   = oxygen_pointer,
 620 };
 621
 622 static struct snd_pcm_ops oxygen_ac97_ops = {
 623         .open      = oxygen_ac97_open,
 624         .close     = oxygen_close,
 625         .ioctl     = snd_pcm_lib_ioctl,
 626         .hw_params = oxygen_hw_params,
 627         .hw_free   = oxygen_hw_free,
 628         .prepare   = oxygen_prepare,
 629         .trigger   = oxygen_trigger,
 630         .pointer   = oxygen_pointer,
 631 };
 632
 633 static void oxygen_pcm_free(struct snd_pcm *pcm)
 634 {
 635         snd_pcm_lib_preallocate_free_for_all(pcm);
 636 }
 637
 638 int __devinit oxygen_pcm_init(struct oxygen *chip)
 639 {
 640         struct snd_pcm *pcm;
 641         int outs, ins;
 642         int err;
 643
 644         outs = 1; /* OXYGEN_CHANNEL_MULTICH is always used */
 645         ins = !!(chip->model->used_channels & (OXYGEN_CHANNEL_A |
 646                                                OXYGEN_CHANNEL_B));
 647         err = snd_pcm_new(chip->card, "Analog", 0, outs, ins, &pcm);
 648         if (err < 0)
 649                 return err;
 650         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &oxygen_multich_ops);
 651         if (chip->model->used_channels & OXYGEN_CHANNEL_A)
 652                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
 653                                 &oxygen_rec_a_ops);
 654         else if (chip->model->used_channels & OXYGEN_CHANNEL_B)
 655                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
 656                                 &oxygen_rec_b_ops);
 657         pcm->private_data = chip;
 658         pcm->private_free = oxygen_pcm_free;
 659         strcpy(pcm->name, "Analog");
 660         snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream,
 661                                       SNDRV_DMA_TYPE_DEV,
 662                                       snd_dma_pci_data(chip->pci),
 663                                       512 * 1024, 2048 * 1024);
 664         if (ins)
 665                 snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
 666                                               SNDRV_DMA_TYPE_DEV,
 667                                               snd_dma_pci_data(chip->pci),
 668                                               128 * 1024, 256 * 1024);
 669
 670         outs = !!(chip->model->used_channels & OXYGEN_CHANNEL_SPDIF);
 671         ins = !!(chip->model->used_channels & OXYGEN_CHANNEL_C);
 672         if (outs | ins) {
 673                 err = snd_pcm_new(chip->card, "Digital", 1, outs, ins, &pcm);
 674                 if (err < 0)
 675                         return err;
 676                 if (outs)
 677                         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 678                                         &oxygen_spdif_ops);
 679                 if (ins)
 680                         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
 681                                         &oxygen_rec_c_ops);
 682                 pcm->private_data = chip;
 683                 pcm->private_free = oxygen_pcm_free;
 684                 strcpy(pcm->name, "Digital");
 685                 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 686                                                       snd_dma_pci_data(chip->pci),
 687                                                       128 * 1024, 256 * 1024);
 688         }
 689
 690         outs = chip->has_ac97_1 &&
 691                 (chip->model->used_channels & OXYGEN_CHANNEL_AC97);
 692         ins = (chip->model->used_channels & (OXYGEN_CHANNEL_A |
 693                                              OXYGEN_CHANNEL_B))
 694                 == (OXYGEN_CHANNEL_A | OXYGEN_CHANNEL_B);
 695         if (outs | ins) {
 696                 err = snd_pcm_new(chip->card, ins ? "Analog2" : "AC97",
 697                                   2, outs, ins, &pcm);
 698                 if (err < 0)
 699                         return err;
 700                 if (outs)
 701                         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 702                                         &oxygen_ac97_ops);
 703                 if (ins)
 704                         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
 705                                         &oxygen_rec_b_ops);
 706                 pcm->private_data = chip;
 707                 pcm->private_free = oxygen_pcm_free;
 708                 strcpy(pcm->name, ins ? "Analog 2" : "Front Panel");
 709                 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
 710                                                       snd_dma_pci_data(chip->pci),
 711                                                       128 * 1024, 256 * 1024);
 712         }
 713         return 0;
 714 }