sound/pci/emu10k1/emupcm.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   3  *                   Creative Labs, Inc.
   4  *  Routines for control of EMU10K1 chips / PCM routines
   5  *  Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com>
   6  *
   7  *  BUGS:
   8  *    --
   9  *
  10  *  TODO:
  11  *    --
  12  *
  13  *   This program is free software; you can redistribute it and/or modify
  14  *   it under the terms of the GNU General Public License as published by
  15  *   the Free Software Foundation; either version 2 of the License, or
  16  *   (at your option) any later version.
  17  *
  18  *   This program is distributed in the hope that it will be useful,
  19  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *   GNU General Public License for more details.
  22  *
  23  *   You should have received a copy of the GNU General Public License
  24  *   along with this program; if not, write to the Free Software
  25  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26  *
  27  */
  28
  29 #include <linux/pci.h>
  30 #include <linux/delay.h>
  31 #include <linux/slab.h>
  32 #include <linux/time.h>
  33 #include <linux/init.h>
  34 #include <sound/core.h>
  35 #include <sound/emu10k1.h>
  36
  37 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
  38                                       struct snd_emu10k1_voice *voice)
  39 {
  40         struct snd_emu10k1_pcm *epcm;
  41
  42         if ((epcm = voice->epcm) == NULL)
  43                 return;
  44         if (epcm->substream == NULL)
  45                 return;
  46 #if 0
  47         dev_dbg(emu->card->dev,
  48                 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  49                         epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  50                         snd_pcm_lib_period_bytes(epcm->substream),
  51                         snd_pcm_lib_buffer_bytes(epcm->substream));
  52 #endif
  53         snd_pcm_period_elapsed(epcm->substream);
  54 }
  55
  56 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
  57                                               unsigned int status)
  58 {
  59 #if 0
  60         if (status & IPR_ADCBUFHALFFULL) {
  61                 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  62                         return;
  63         }
  64 #endif
  65         snd_pcm_period_elapsed(emu->pcm_capture_substream);
  66 }
  67
  68 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
  69                                               unsigned int status)
  70 {
  71 #if 0
  72         if (status & IPR_MICBUFHALFFULL) {
  73                 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  74                         return;
  75         }
  76 #endif
  77         snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  78 }
  79
  80 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
  81                                           unsigned int status)
  82 {
  83 #if 0
  84         if (status & IPR_EFXBUFHALFFULL) {
  85                 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  86                         return;
  87         }
  88 #endif
  89         snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  90 }
  91
  92 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
  93 {
  94         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  95         struct snd_pcm_runtime *runtime = substream->runtime;
  96         struct snd_emu10k1_pcm *epcm = runtime->private_data;
  97         unsigned int ptr;
  98
  99         if (!epcm->running)
 100                 return 0;
 101         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 102         ptr += runtime->buffer_size;
 103         ptr -= epcm->ccca_start_addr;
 104         ptr %= runtime->buffer_size;
 105
 106         return ptr;
 107 }
 108
 109 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
 110 {
 111         int err, i;
 112
 113         if (epcm->voices[1] != NULL && voices < 2) {
 114                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 115                 epcm->voices[1] = NULL;
 116         }
 117         for (i = 0; i < voices; i++) {
 118                 if (epcm->voices[i] == NULL)
 119                         break;
 120         }
 121         if (i == voices)
 122                 return 0; /* already allocated */
 123
 124         for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
 125                 if (epcm->voices[i]) {
 126                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 127                         epcm->voices[i] = NULL;
 128                 }
 129         }
 130         err = snd_emu10k1_voice_alloc(epcm->emu,
 131                                       epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 132                                       voices,
 133                                       &epcm->voices[0]);
 134
 135         if (err < 0)
 136                 return err;
 137         epcm->voices[0]->epcm = epcm;
 138         if (voices > 1) {
 139                 for (i = 1; i < voices; i++) {
 140                         epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
 141                         epcm->voices[i]->epcm = epcm;
 142                 }
 143         }
 144         if (epcm->extra == NULL) {
 145                 err = snd_emu10k1_voice_alloc(epcm->emu,
 146                                               epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 147                                               1,
 148                                               &epcm->extra);
 149                 if (err < 0) {
 150                         /*
 151                         dev_dbg(emu->card->dev, "pcm_channel_alloc: "
 152                                "failed extra: voices=%d, frame=%d\n",
 153                                voices, frame);
 154                         */
 155                         for (i = 0; i < voices; i++) {
 156                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 157                                 epcm->voices[i] = NULL;
 158                         }
 159                         return err;
 160                 }
 161                 epcm->extra->epcm = epcm;
 162                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 163         }
 164         return 0;
 165 }
 166
 167 static const unsigned int capture_period_sizes[31] = {
 168         384,    448,    512,    640,
 169         384*2,  448*2,  512*2,  640*2,
 170         384*4,  448*4,  512*4,  640*4,
 171         384*8,  448*8,  512*8,  640*8,
 172         384*16, 448*16, 512*16, 640*16,
 173         384*32, 448*32, 512*32, 640*32,
 174         384*64, 448*64, 512*64, 640*64,
 175         384*128,448*128,512*128
 176 };
 177
 178 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
 179         .count = 31,
 180         .list = capture_period_sizes,
 181         .mask = 0
 182 };
 183
 184 static const unsigned int capture_rates[8] = {
 185         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 186 };
 187
 188 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
 189         .count = 8,
 190         .list = capture_rates,
 191         .mask = 0
 192 };
 193
 194 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 195 {
 196         switch (rate) {
 197         case 8000:      return ADCCR_SAMPLERATE_8;
 198         case 11025:     return ADCCR_SAMPLERATE_11;
 199         case 16000:     return ADCCR_SAMPLERATE_16;
 200         case 22050:     return ADCCR_SAMPLERATE_22;
 201         case 24000:     return ADCCR_SAMPLERATE_24;
 202         case 32000:     return ADCCR_SAMPLERATE_32;
 203         case 44100:     return ADCCR_SAMPLERATE_44;
 204         case 48000:     return ADCCR_SAMPLERATE_48;
 205         default:
 206                         snd_BUG();
 207                         return ADCCR_SAMPLERATE_8;
 208         }
 209 }
 210
 211 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 212 {
 213         switch (rate) {
 214         case 8000:      return A_ADCCR_SAMPLERATE_8;
 215         case 11025:     return A_ADCCR_SAMPLERATE_11;
 216         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 217         case 16000:     return ADCCR_SAMPLERATE_16;
 218         case 22050:     return ADCCR_SAMPLERATE_22;
 219         case 24000:     return ADCCR_SAMPLERATE_24;
 220         case 32000:     return ADCCR_SAMPLERATE_32;
 221         case 44100:     return ADCCR_SAMPLERATE_44;
 222         case 48000:     return ADCCR_SAMPLERATE_48;
 223         default:
 224                         snd_BUG();
 225                         return A_ADCCR_SAMPLERATE_8;
 226         }
 227 }
 228
 229 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 230 {
 231         unsigned int pitch_target;
 232
 233         pitch_target = (rate << 8) / 375;
 234         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 235         return pitch_target;
 236 }
 237
 238 #define PITCH_48000 0x00004000
 239 #define PITCH_96000 0x00008000
 240 #define PITCH_85000 0x00007155
 241 #define PITCH_80726 0x00006ba2
 242 #define PITCH_67882 0x00005a82
 243 #define PITCH_57081 0x00004c1c
 244
 245 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 246 {
 247         if (pitch_target == PITCH_48000)
 248                 return CCCA_INTERPROM_0;
 249         else if (pitch_target < PITCH_48000)
 250                 return CCCA_INTERPROM_1;
 251         else if (pitch_target >= PITCH_96000)
 252                 return CCCA_INTERPROM_0;
 253         else if (pitch_target >= PITCH_85000)
 254                 return CCCA_INTERPROM_6;
 255         else if (pitch_target >= PITCH_80726)
 256                 return CCCA_INTERPROM_5;
 257         else if (pitch_target >= PITCH_67882)
 258                 return CCCA_INTERPROM_4;
 259         else if (pitch_target >= PITCH_57081)
 260                 return CCCA_INTERPROM_3;
 261         else
 262                 return CCCA_INTERPROM_2;
 263 }
 264
 265 /*
 266  * calculate cache invalidate size
 267  *
 268  * stereo: channel is stereo
 269  * w_16: using 16bit samples
 270  *
 271  * returns: cache invalidate size in samples
 272  */
 273 static inline int emu10k1_ccis(int stereo, int w_16)
 274 {
 275         if (w_16) {
 276                 return stereo ? 24 : 26;
 277         } else {
 278                 return stereo ? 24*2 : 26*2;
 279         }
 280 }
 281
 282 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
 283                                        int master, int extra,
 284                                        struct snd_emu10k1_voice *evoice,
 285                                        unsigned int start_addr,
 286                                        unsigned int end_addr,
 287                                        struct snd_emu10k1_pcm_mixer *mix)
 288 {
 289         struct snd_pcm_substream *substream = evoice->epcm->substream;
 290         struct snd_pcm_runtime *runtime = substream->runtime;
 291         unsigned int silent_page, tmp;
 292         int voice, stereo, w_16;
 293         unsigned char attn, send_amount[8];
 294         unsigned char send_routing[8];
 295         unsigned long flags;
 296         unsigned int pitch_target;
 297         unsigned int ccis;
 298
 299         voice = evoice->number;
 300         stereo = runtime->channels == 2;
 301         w_16 = snd_pcm_format_width(runtime->format) == 16;
 302
 303         if (!extra && stereo) {
 304                 start_addr >>= 1;
 305                 end_addr >>= 1;
 306         }
 307         if (w_16) {
 308                 start_addr >>= 1;
 309                 end_addr >>= 1;
 310         }
 311
 312         spin_lock_irqsave(&emu->reg_lock, flags);
 313
 314         /* volume parameters */
 315         if (extra) {
 316                 attn = 0;
 317                 memset(send_routing, 0, sizeof(send_routing));
 318                 send_routing[0] = 0;
 319                 send_routing[1] = 1;
 320                 send_routing[2] = 2;
 321                 send_routing[3] = 3;
 322                 memset(send_amount, 0, sizeof(send_amount));
 323         } else {
 324                 /* mono, left, right (master voice = left) */
 325                 tmp = stereo ? (master ? 1 : 2) : 0;
 326                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 327                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 328         }
 329
 330         ccis = emu10k1_ccis(stereo, w_16);
 331
 332         if (master) {
 333                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 334                 if (extra) {
 335                         start_addr += ccis;
 336                         end_addr += ccis + emu->delay_pcm_irq;
 337                 }
 338                 if (stereo && !extra) {
 339                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 340                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 341                 } else {
 342                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 343                 }
 344         }
 345
 346         /* setup routing */
 347         if (emu->audigy) {
 348                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 349                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
 350                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 351                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
 352                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 353                                       ((unsigned int)send_amount[4] << 24) |
 354                                       ((unsigned int)send_amount[5] << 16) |
 355                                       ((unsigned int)send_amount[6] << 8) |
 356                                       (unsigned int)send_amount[7]);
 357         } else
 358                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 359                                       snd_emu10k1_compose_send_routing(send_routing));
 360         /* Stop CA */
 361         /* Assumption that PT is already 0 so no harm overwriting */
 362         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 363         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 364         snd_emu10k1_ptr_write(emu, PSST, voice,
 365                         (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
 366                         (send_amount[2] << 24));
 367         if (emu->card_capabilities->emu_model)
 368                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 369         else
 370                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 371         if (extra)
 372                 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 373                               emu10k1_select_interprom(pitch_target) |
 374                               (w_16 ? 0 : CCCA_8BITSELECT));
 375         else
 376                 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 377                               emu10k1_select_interprom(pitch_target) |
 378                               (w_16 ? 0 : CCCA_8BITSELECT));
 379         /* Clear filter delay memory */
 380         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 381         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 382         /* invalidate maps */
 383         silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
 384         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 385         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 386         /* modulation envelope */
 387         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 388         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 389         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 390         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 391         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 392         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 393         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 394         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 395         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 396         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 397         /* volume envelope */
 398         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 399         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 400         /* filter envelope */
 401         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 402         /* pitch envelope */
 403         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 404
 405         spin_unlock_irqrestore(&emu->reg_lock, flags);
 406 }
 407
 408 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 409                                           struct snd_pcm_hw_params *hw_params)
 410 {
 411         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 412         struct snd_pcm_runtime *runtime = substream->runtime;
 413         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 414         size_t alloc_size;
 415         int err;
 416
 417         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 418                 return err;
 419
 420         alloc_size = params_buffer_bytes(hw_params);
 421         if (emu->iommu_workaround)
 422                 alloc_size += EMUPAGESIZE;
 423         err = snd_pcm_lib_malloc_pages(substream, alloc_size);
 424         if (err < 0)
 425                 return err;
 426         if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
 427                 runtime->dma_bytes -= EMUPAGESIZE;
 428         if (err > 0) {  /* change */
 429                 int mapped;
 430                 if (epcm->memblk != NULL)
 431                         snd_emu10k1_free_pages(emu, epcm->memblk);
 432                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 433                 epcm->start_addr = 0;
 434                 if (! epcm->memblk)
 435                         return -ENOMEM;
 436                 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 437                 if (mapped < 0)
 438                         return -ENOMEM;
 439                 epcm->start_addr = mapped << PAGE_SHIFT;
 440         }
 441         return 0;
 442 }
 443
 444 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 445 {
 446         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 447         struct snd_pcm_runtime *runtime = substream->runtime;
 448         struct snd_emu10k1_pcm *epcm;
 449
 450         if (runtime->private_data == NULL)
 451                 return 0;
 452         epcm = runtime->private_data;
 453         if (epcm->extra) {
 454                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 455                 epcm->extra = NULL;
 456         }
 457         if (epcm->voices[1]) {
 458                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 459                 epcm->voices[1] = NULL;
 460         }
 461         if (epcm->voices[0]) {
 462                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 463                 epcm->voices[0] = NULL;
 464         }
 465         if (epcm->memblk) {
 466                 snd_emu10k1_free_pages(emu, epcm->memblk);
 467                 epcm->memblk = NULL;
 468                 epcm->start_addr = 0;
 469         }
 470         snd_pcm_lib_free_pages(substream);
 471         return 0;
 472 }
 473
 474 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 475 {
 476         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 477         struct snd_pcm_runtime *runtime = substream->runtime;
 478         struct snd_emu10k1_pcm *epcm;
 479         int i;
 480
 481         if (runtime->private_data == NULL)
 482                 return 0;
 483         epcm = runtime->private_data;
 484         if (epcm->extra) {
 485                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 486                 epcm->extra = NULL;
 487         }
 488         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 489                 if (epcm->voices[i]) {
 490                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 491                         epcm->voices[i] = NULL;
 492                 }
 493         }
 494         if (epcm->memblk) {
 495                 snd_emu10k1_free_pages(emu, epcm->memblk);
 496                 epcm->memblk = NULL;
 497                 epcm->start_addr = 0;
 498         }
 499         snd_pcm_lib_free_pages(substream);
 500         return 0;
 501 }
 502
 503 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 504 {
 505         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 506         struct snd_pcm_runtime *runtime = substream->runtime;
 507         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 508         unsigned int start_addr, end_addr;
 509
 510         start_addr = epcm->start_addr;
 511         end_addr = snd_pcm_lib_period_bytes(substream);
 512         if (runtime->channels == 2) {
 513                 start_addr >>= 1;
 514                 end_addr >>= 1;
 515         }
 516         end_addr += start_addr;
 517         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 518                                    start_addr, end_addr, NULL);
 519         start_addr = epcm->start_addr;
 520         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 521         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 522                                    start_addr, end_addr,
 523                                    &emu->pcm_mixer[substream->number]);
 524         if (epcm->voices[1])
 525                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 526                                            start_addr, end_addr,
 527                                            &emu->pcm_mixer[substream->number]);
 528         return 0;
 529 }
 530
 531 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 532 {
 533         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 534         struct snd_pcm_runtime *runtime = substream->runtime;
 535         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 536         unsigned int start_addr, end_addr;
 537         unsigned int channel_size;
 538         int i;
 539
 540         start_addr = epcm->start_addr;
 541         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 542
 543         /*
 544          * the kX driver leaves some space between voices
 545          */
 546         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 547
 548         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 549                                    start_addr, start_addr + (channel_size / 2), NULL);
 550
 551         /* only difference with the master voice is we use it for the pointer */
 552         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 553                                    start_addr, start_addr + channel_size,
 554                                    &emu->efx_pcm_mixer[0]);
 555
 556         start_addr += channel_size;
 557         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 558                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 559                                            start_addr, start_addr + channel_size,
 560                                            &emu->efx_pcm_mixer[i]);
 561                 start_addr += channel_size;
 562         }
 563
 564         return 0;
 565 }
 566
 567 static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
 568 {
 569         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 570                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 571                                  SNDRV_PCM_INFO_RESUME |
 572                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 573         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 574         .rates =                SNDRV_PCM_RATE_48000,
 575         .rate_min =             48000,
 576         .rate_max =             48000,
 577         .channels_min =         NUM_EFX_PLAYBACK,
 578         .channels_max =         NUM_EFX_PLAYBACK,
 579         .buffer_bytes_max =     (64*1024),
 580         .period_bytes_min =     64,
 581         .period_bytes_max =     (64*1024),
 582         .periods_min =          2,
 583         .periods_max =          2,
 584         .fifo_size =            0,
 585 };
 586
 587 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
 588                                          struct snd_pcm_hw_params *hw_params)
 589 {
 590         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 591 }
 592
 593 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
 594 {
 595         return snd_pcm_lib_free_pages(substream);
 596 }
 597
 598 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 599 {
 600         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 601         struct snd_pcm_runtime *runtime = substream->runtime;
 602         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 603         int idx;
 604
 605         /* zeroing the buffer size will stop capture */
 606         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 607         switch (epcm->type) {
 608         case CAPTURE_AC97ADC:
 609                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 610                 break;
 611         case CAPTURE_EFX:
 612                 if (emu->audigy) {
 613                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 614                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 615                 } else
 616                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 617                 break;
 618         default:
 619                 break;
 620         }
 621         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 622         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 623         epcm->capture_bs_val = 0;
 624         for (idx = 0; idx < 31; idx++) {
 625                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 626                         epcm->capture_bs_val = idx + 1;
 627                         break;
 628                 }
 629         }
 630         if (epcm->capture_bs_val == 0) {
 631                 snd_BUG();
 632                 epcm->capture_bs_val++;
 633         }
 634         if (epcm->type == CAPTURE_AC97ADC) {
 635                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 636                 if (runtime->channels > 1)
 637                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 638                 epcm->capture_cr_val |= emu->audigy ?
 639                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 640                         snd_emu10k1_capture_rate_reg(runtime->rate);
 641         }
 642         return 0;
 643 }
 644
 645 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 646 {
 647         struct snd_pcm_runtime *runtime;
 648         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 649
 650         if (evoice == NULL)
 651                 return;
 652         runtime = evoice->epcm->substream->runtime;
 653         voice = evoice->number;
 654         stereo = (!extra && runtime->channels == 2);
 655         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 656         ccis = emu10k1_ccis(stereo, sample == 0);
 657         /* set cs to 2 * number of cache registers beside the invalidated */
 658         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 659         if (cs > 16) cs = 16;
 660         for (i = 0; i < cs; i++) {
 661                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 662                 if (stereo) {
 663                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 664                 }
 665         }
 666         /* reset cache */
 667         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 668         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 669         if (stereo) {
 670                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 671                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 672         }
 673         /* fill cache */
 674         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 675         if (stereo) {
 676                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 677         }
 678 }
 679
 680 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 681                                                int master, int extra,
 682                                                struct snd_emu10k1_pcm_mixer *mix)
 683 {
 684         struct snd_pcm_substream *substream;
 685         struct snd_pcm_runtime *runtime;
 686         unsigned int attn, vattn;
 687         unsigned int voice, tmp;
 688
 689         if (evoice == NULL)     /* skip second voice for mono */
 690                 return;
 691         substream = evoice->epcm->substream;
 692         runtime = substream->runtime;
 693         voice = evoice->number;
 694
 695         attn = extra ? 0 : 0x00ff;
 696         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 697         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 698         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 699         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 700         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 701         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 702         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 703 }
 704
 705 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 706 {
 707         struct snd_pcm_substream *substream;
 708         struct snd_pcm_runtime *runtime;
 709         unsigned int voice, pitch, pitch_target;
 710
 711         if (evoice == NULL)     /* skip second voice for mono */
 712                 return;
 713         substream = evoice->epcm->substream;
 714         runtime = substream->runtime;
 715         voice = evoice->number;
 716
 717         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 718         if (emu->card_capabilities->emu_model)
 719                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 720         else
 721                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 722         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 723         if (master || evoice->epcm->type == PLAYBACK_EFX)
 724                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 725         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 726         if (extra)
 727                 snd_emu10k1_voice_intr_enable(emu, voice);
 728 }
 729
 730 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 731 {
 732         unsigned int voice;
 733
 734         if (evoice == NULL)
 735                 return;
 736         voice = evoice->number;
 737         snd_emu10k1_voice_intr_disable(emu, voice);
 738         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 739         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 740         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 741         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 742         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 743         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 744 }
 745
 746 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 747                 struct snd_emu10k1_pcm *epcm,
 748                 struct snd_pcm_substream *substream,
 749                 struct snd_pcm_runtime *runtime)
 750 {
 751         unsigned int ptr, period_pos;
 752
 753         /* try to sychronize the current position for the interrupt
 754            source voice */
 755         period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 756         period_pos %= runtime->period_size;
 757         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 758         ptr &= ~0x00ffffff;
 759         ptr |= epcm->ccca_start_addr + period_pos;
 760         snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 761 }
 762
 763 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 764                                         int cmd)
 765 {
 766         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 767         struct snd_pcm_runtime *runtime = substream->runtime;
 768         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 769         struct snd_emu10k1_pcm_mixer *mix;
 770         int result = 0;
 771
 772         /*
 773         dev_dbg(emu->card->dev,
 774                 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 775                (int)emu, cmd, substream->ops->pointer(substream))
 776         */
 777         spin_lock(&emu->reg_lock);
 778         switch (cmd) {
 779         case SNDRV_PCM_TRIGGER_START:
 780                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 781                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 782                 /* follow thru */
 783         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 784         case SNDRV_PCM_TRIGGER_RESUME:
 785                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 786                         snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 787                 mix = &emu->pcm_mixer[substream->number];
 788                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 789                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 790                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 791                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 792                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 793                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 794                 epcm->running = 1;
 795                 break;
 796         case SNDRV_PCM_TRIGGER_STOP:
 797         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 798         case SNDRV_PCM_TRIGGER_SUSPEND:
 799                 epcm->running = 0;
 800                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 801                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 802                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 803                 break;
 804         default:
 805                 result = -EINVAL;
 806                 break;
 807         }
 808         spin_unlock(&emu->reg_lock);
 809         return result;
 810 }
 811
 812 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 813                                        int cmd)
 814 {
 815         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 816         struct snd_pcm_runtime *runtime = substream->runtime;
 817         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 818         int result = 0;
 819
 820         spin_lock(&emu->reg_lock);
 821         switch (cmd) {
 822         case SNDRV_PCM_TRIGGER_START:
 823         case SNDRV_PCM_TRIGGER_RESUME:
 824                 /* hmm this should cause full and half full interrupt to be raised? */
 825                 outl(epcm->capture_ipr, emu->port + IPR);
 826                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 827                 /*
 828                 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
 829                        epcm->adccr, epcm->adcbs);
 830                 */
 831                 switch (epcm->type) {
 832                 case CAPTURE_AC97ADC:
 833                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 834                         break;
 835                 case CAPTURE_EFX:
 836                         if (emu->audigy) {
 837                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 838                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 839                                 dev_dbg(emu->card->dev,
 840                                         "cr_val=0x%x, cr_val2=0x%x\n",
 841                                         epcm->capture_cr_val,
 842                                         epcm->capture_cr_val2);
 843                         } else
 844                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 845                         break;
 846                 default:
 847                         break;
 848                 }
 849                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 850                 epcm->running = 1;
 851                 epcm->first_ptr = 1;
 852                 break;
 853         case SNDRV_PCM_TRIGGER_STOP:
 854         case SNDRV_PCM_TRIGGER_SUSPEND:
 855                 epcm->running = 0;
 856                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 857                 outl(epcm->capture_ipr, emu->port + IPR);
 858                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 859                 switch (epcm->type) {
 860                 case CAPTURE_AC97ADC:
 861                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 862                         break;
 863                 case CAPTURE_EFX:
 864                         if (emu->audigy) {
 865                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 866                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 867                         } else
 868                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 869                         break;
 870                 default:
 871                         break;
 872                 }
 873                 break;
 874         default:
 875                 result = -EINVAL;
 876         }
 877         spin_unlock(&emu->reg_lock);
 878         return result;
 879 }
 880
 881 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 882 {
 883         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 884         struct snd_pcm_runtime *runtime = substream->runtime;
 885         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 886         unsigned int ptr;
 887
 888         if (!epcm->running)
 889                 return 0;
 890         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 891 #if 0   /* Perex's code */
 892         ptr += runtime->buffer_size;
 893         ptr -= epcm->ccca_start_addr;
 894         ptr %= runtime->buffer_size;
 895 #else   /* EMU10K1 Open Source code from Creative */
 896         if (ptr < epcm->ccca_start_addr)
 897                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 898         else {
 899                 ptr -= epcm->ccca_start_addr;
 900                 if (ptr >= runtime->buffer_size)
 901                         ptr -= runtime->buffer_size;
 902         }
 903 #endif
 904         /*
 905         dev_dbg(emu->card->dev,
 906                "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 907                (long)ptr, (long)runtime->buffer_size,
 908                (long)runtime->period_size);
 909         */
 910         return ptr;
 911 }
 912
 913
 914 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 915                                         int cmd)
 916 {
 917         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 918         struct snd_pcm_runtime *runtime = substream->runtime;
 919         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 920         int i;
 921         int result = 0;
 922
 923         spin_lock(&emu->reg_lock);
 924         switch (cmd) {
 925         case SNDRV_PCM_TRIGGER_START:
 926                 /* prepare voices */
 927                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 928                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 929                 }
 930                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 931
 932                 /* follow thru */
 933         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 934         case SNDRV_PCM_TRIGGER_RESUME:
 935                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 936                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 937                                                    &emu->efx_pcm_mixer[0]);
 938                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 939                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 940                                                            &emu->efx_pcm_mixer[i]);
 941                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 942                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 943                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 944                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 945                 epcm->running = 1;
 946                 break;
 947         case SNDRV_PCM_TRIGGER_SUSPEND:
 948         case SNDRV_PCM_TRIGGER_STOP:
 949         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 950                 epcm->running = 0;
 951                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 952                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 953                 }
 954                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 955                 break;
 956         default:
 957                 result = -EINVAL;
 958                 break;
 959         }
 960         spin_unlock(&emu->reg_lock);
 961         return result;
 962 }
 963
 964
 965 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 966 {
 967         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 968         struct snd_pcm_runtime *runtime = substream->runtime;
 969         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 970         unsigned int ptr;
 971
 972         if (!epcm->running)
 973                 return 0;
 974         if (epcm->first_ptr) {
 975                 udelay(50);     /* hack, it takes awhile until capture is started */
 976                 epcm->first_ptr = 0;
 977         }
 978         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 979         return bytes_to_frames(runtime, ptr);
 980 }
 981
 982 /*
 983  *  Playback support device description
 984  */
 985
 986 static const struct snd_pcm_hardware snd_emu10k1_playback =
 987 {
 988         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 989                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 990                                  SNDRV_PCM_INFO_RESUME |
 991                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 992         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 993         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 994         .rate_min =             4000,
 995         .rate_max =             96000,
 996         .channels_min =         1,
 997         .channels_max =         2,
 998         .buffer_bytes_max =     (128*1024),
 999         .period_bytes_min =     64,
1000         .period_bytes_max =     (128*1024),
1001         .periods_min =          1,
1002         .periods_max =          1024,
1003         .fifo_size =            0,
1004 };
1005
1006 /*
1007  *  Capture support device description
1008  */
1009
1010 static const struct snd_pcm_hardware snd_emu10k1_capture =
1011 {
1012         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1013                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1014                                  SNDRV_PCM_INFO_RESUME |
1015                                  SNDRV_PCM_INFO_MMAP_VALID),
1016         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1017         .rates =                SNDRV_PCM_RATE_8000_48000,
1018         .rate_min =             8000,
1019         .rate_max =             48000,
1020         .channels_min =         1,
1021         .channels_max =         2,
1022         .buffer_bytes_max =     (64*1024),
1023         .period_bytes_min =     384,
1024         .period_bytes_max =     (64*1024),
1025         .periods_min =          2,
1026         .periods_max =          2,
1027         .fifo_size =            0,
1028 };
1029
1030 static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
1031 {
1032         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1033                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1034                                  SNDRV_PCM_INFO_RESUME |
1035                                  SNDRV_PCM_INFO_MMAP_VALID),
1036         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1037         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1038                                  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1039                                  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1040         .rate_min =             44100,
1041         .rate_max =             192000,
1042         .channels_min =         8,
1043         .channels_max =         8,
1044         .buffer_bytes_max =     (64*1024),
1045         .period_bytes_min =     384,
1046         .period_bytes_max =     (64*1024),
1047         .periods_min =          2,
1048         .periods_max =          2,
1049         .fifo_size =            0,
1050 };
1051
1052 /*
1053  *
1054  */
1055
1056 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1057 {
1058         struct snd_ctl_elem_id id;
1059
1060         if (! kctl)
1061                 return;
1062         if (activate)
1063                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1064         else
1065                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1066         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1067                        SNDRV_CTL_EVENT_MASK_INFO,
1068                        snd_ctl_build_ioff(&id, kctl, idx));
1069 }
1070
1071 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1072 {
1073         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1074         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1075         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1076 }
1077
1078 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1079 {
1080         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1081         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1082         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1083 }
1084
1085 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1086 {
1087         kfree(runtime->private_data);
1088 }
1089
1090 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1091 {
1092         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1093         struct snd_emu10k1_pcm_mixer *mix;
1094         int i;
1095
1096         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1097                 mix = &emu->efx_pcm_mixer[i];
1098                 mix->epcm = NULL;
1099                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1100         }
1101         return 0;
1102 }
1103
1104 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1105 {
1106         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1107         struct snd_emu10k1_pcm *epcm;
1108         struct snd_emu10k1_pcm_mixer *mix;
1109         struct snd_pcm_runtime *runtime = substream->runtime;
1110         int i;
1111
1112         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1113         if (epcm == NULL)
1114                 return -ENOMEM;
1115         epcm->emu = emu;
1116         epcm->type = PLAYBACK_EFX;
1117         epcm->substream = substream;
1118
1119         emu->pcm_playback_efx_substream = substream;
1120
1121         runtime->private_data = epcm;
1122         runtime->private_free = snd_emu10k1_pcm_free_substream;
1123         runtime->hw = snd_emu10k1_efx_playback;
1124
1125         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1126                 mix = &emu->efx_pcm_mixer[i];
1127                 mix->send_routing[0][0] = i;
1128                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1129                 mix->send_volume[0][0] = 255;
1130                 mix->attn[0] = 0xffff;
1131                 mix->epcm = epcm;
1132                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1133         }
1134         return 0;
1135 }
1136
1137 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1138 {
1139         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1140         struct snd_emu10k1_pcm *epcm;
1141         struct snd_emu10k1_pcm_mixer *mix;
1142         struct snd_pcm_runtime *runtime = substream->runtime;
1143         int i, err, sample_rate;
1144
1145         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1146         if (epcm == NULL)
1147                 return -ENOMEM;
1148         epcm->emu = emu;
1149         epcm->type = PLAYBACK_EMUVOICE;
1150         epcm->substream = substream;
1151         runtime->private_data = epcm;
1152         runtime->private_free = snd_emu10k1_pcm_free_substream;
1153         runtime->hw = snd_emu10k1_playback;
1154         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1155                 kfree(epcm);
1156                 return err;
1157         }
1158         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1159                 kfree(epcm);
1160                 return err;
1161         }
1162         if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1163                 sample_rate = 44100;
1164         else
1165                 sample_rate = 48000;
1166         err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1167         if (err < 0) {
1168                 kfree(epcm);
1169                 return err;
1170         }
1171         mix = &emu->pcm_mixer[substream->number];
1172         for (i = 0; i < 4; i++)
1173                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1174         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1175         mix->send_volume[0][0] = mix->send_volume[0][1] =
1176         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1177         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1178         mix->epcm = epcm;
1179         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1180         return 0;
1181 }
1182
1183 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1184 {
1185         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1186         struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1187
1188         mix->epcm = NULL;
1189         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1190         return 0;
1191 }
1192
1193 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1194 {
1195         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1196         struct snd_pcm_runtime *runtime = substream->runtime;
1197         struct snd_emu10k1_pcm *epcm;
1198
1199         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1200         if (epcm == NULL)
1201                 return -ENOMEM;
1202         epcm->emu = emu;
1203         epcm->type = CAPTURE_AC97ADC;
1204         epcm->substream = substream;
1205         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1206         epcm->capture_inte = INTE_ADCBUFENABLE;
1207         epcm->capture_ba_reg = ADCBA;
1208         epcm->capture_bs_reg = ADCBS;
1209         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1210         runtime->private_data = epcm;
1211         runtime->private_free = snd_emu10k1_pcm_free_substream;
1212         runtime->hw = snd_emu10k1_capture;
1213         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1214         emu->pcm_capture_substream = substream;
1215         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1216         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1217         return 0;
1218 }
1219
1220 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1221 {
1222         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1223
1224         emu->capture_interrupt = NULL;
1225         emu->pcm_capture_substream = NULL;
1226         return 0;
1227 }
1228
1229 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1230 {
1231         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1232         struct snd_emu10k1_pcm *epcm;
1233         struct snd_pcm_runtime *runtime = substream->runtime;
1234
1235         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1236         if (epcm == NULL)
1237                 return -ENOMEM;
1238         epcm->emu = emu;
1239         epcm->type = CAPTURE_AC97MIC;
1240         epcm->substream = substream;
1241         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1242         epcm->capture_inte = INTE_MICBUFENABLE;
1243         epcm->capture_ba_reg = MICBA;
1244         epcm->capture_bs_reg = MICBS;
1245         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1246         substream->runtime->private_data = epcm;
1247         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1248         runtime->hw = snd_emu10k1_capture;
1249         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1250         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1251         runtime->hw.channels_min = 1;
1252         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1253         emu->pcm_capture_mic_substream = substream;
1254         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1255         return 0;
1256 }
1257
1258 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1259 {
1260         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1261
1262         emu->capture_interrupt = NULL;
1263         emu->pcm_capture_mic_substream = NULL;
1264         return 0;
1265 }
1266
1267 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1268 {
1269         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1270         struct snd_emu10k1_pcm *epcm;
1271         struct snd_pcm_runtime *runtime = substream->runtime;
1272         int nefx = emu->audigy ? 64 : 32;
1273         int idx;
1274
1275         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1276         if (epcm == NULL)
1277                 return -ENOMEM;
1278         epcm->emu = emu;
1279         epcm->type = CAPTURE_EFX;
1280         epcm->substream = substream;
1281         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1282         epcm->capture_inte = INTE_EFXBUFENABLE;
1283         epcm->capture_ba_reg = FXBA;
1284         epcm->capture_bs_reg = FXBS;
1285         epcm->capture_idx_reg = FXIDX;
1286         substream->runtime->private_data = epcm;
1287         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1288         runtime->hw = snd_emu10k1_capture_efx;
1289         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1290         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1291         spin_lock_irq(&emu->reg_lock);
1292         if (emu->card_capabilities->emu_model) {
1293                 /*  Nb. of channels has been increased to 16 */
1294                 /* TODO
1295                  * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1296                  * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1297                  * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1298                  * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1299                  * rate_min = 44100,
1300                  * rate_max = 192000,
1301                  * channels_min = 16,
1302                  * channels_max = 16,
1303                  * Need to add mixer control to fix sample rate
1304                  *
1305                  * There are 32 mono channels of 16bits each.
1306                  * 24bit Audio uses 2x channels over 16bit
1307                  * 96kHz uses 2x channels over 48kHz
1308                  * 192kHz uses 4x channels over 48kHz
1309                  * So, for 48kHz 24bit, one has 16 channels
1310                  * for 96kHz 24bit, one has 8 channels
1311                  * for 192kHz 24bit, one has 4 channels
1312                  *
1313                  */
1314 #if 1
1315                 switch (emu->emu1010.internal_clock) {
1316                 case 0:
1317                         /* For 44.1kHz */
1318                         runtime->hw.rates = SNDRV_PCM_RATE_44100;
1319                         runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1320                         runtime->hw.channels_min =
1321                                 runtime->hw.channels_max = 16;
1322                         break;
1323                 case 1:
1324                         /* For 48kHz */
1325                         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1326                         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1327                         runtime->hw.channels_min =
1328                                 runtime->hw.channels_max = 16;
1329                         break;
1330                 }
1331 #endif
1332 #if 0
1333                 /* For 96kHz */
1334                 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1335                 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1336                 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1337 #endif
1338 #if 0
1339                 /* For 192kHz */
1340                 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1341                 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1342                 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1343 #endif
1344                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1345                 /* efx_voices_mask[0] is expected to be zero
1346                  * efx_voices_mask[1] is expected to have 32bits set
1347                  */
1348         } else {
1349                 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1350                 for (idx = 0; idx < nefx; idx++) {
1351                         if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1352                                 runtime->hw.channels_min++;
1353                                 runtime->hw.channels_max++;
1354                         }
1355                 }
1356         }
1357         epcm->capture_cr_val = emu->efx_voices_mask[0];
1358         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1359         spin_unlock_irq(&emu->reg_lock);
1360         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1361         emu->pcm_capture_efx_substream = substream;
1362         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1363         return 0;
1364 }
1365
1366 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1367 {
1368         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1369
1370         emu->capture_interrupt = NULL;
1371         emu->pcm_capture_efx_substream = NULL;
1372         return 0;
1373 }
1374
1375 static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
1376         .open =                 snd_emu10k1_playback_open,
1377         .close =                snd_emu10k1_playback_close,
1378         .ioctl =                snd_pcm_lib_ioctl,
1379         .hw_params =            snd_emu10k1_playback_hw_params,
1380         .hw_free =              snd_emu10k1_playback_hw_free,
1381         .prepare =              snd_emu10k1_playback_prepare,
1382         .trigger =              snd_emu10k1_playback_trigger,
1383         .pointer =              snd_emu10k1_playback_pointer,
1384         .page =                 snd_pcm_sgbuf_ops_page,
1385 };
1386
1387 static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
1388         .open =                 snd_emu10k1_capture_open,
1389         .close =                snd_emu10k1_capture_close,
1390         .ioctl =                snd_pcm_lib_ioctl,
1391         .hw_params =            snd_emu10k1_capture_hw_params,
1392         .hw_free =              snd_emu10k1_capture_hw_free,
1393         .prepare =              snd_emu10k1_capture_prepare,
1394         .trigger =              snd_emu10k1_capture_trigger,
1395         .pointer =              snd_emu10k1_capture_pointer,
1396 };
1397
1398 /* EFX playback */
1399 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1400         .open =                 snd_emu10k1_efx_playback_open,
1401         .close =                snd_emu10k1_efx_playback_close,
1402         .ioctl =                snd_pcm_lib_ioctl,
1403         .hw_params =            snd_emu10k1_playback_hw_params,
1404         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1405         .prepare =              snd_emu10k1_efx_playback_prepare,
1406         .trigger =              snd_emu10k1_efx_playback_trigger,
1407         .pointer =              snd_emu10k1_efx_playback_pointer,
1408         .page =                 snd_pcm_sgbuf_ops_page,
1409 };
1410
1411 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
1412 {
1413         struct snd_pcm *pcm;
1414         struct snd_pcm_substream *substream;
1415         int err;
1416
1417         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1418                 return err;
1419
1420         pcm->private_data = emu;
1421
1422         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1423         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1424
1425         pcm->info_flags = 0;
1426         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1427         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1428         emu->pcm = pcm;
1429
1430         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1431                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1432                         return err;
1433
1434         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1435                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1436
1437         return 0;
1438 }
1439
1440 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
1441 {
1442         struct snd_pcm *pcm;
1443         struct snd_pcm_substream *substream;
1444         int err;
1445
1446         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1447                 return err;
1448
1449         pcm->private_data = emu;
1450
1451         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1452
1453         pcm->info_flags = 0;
1454         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1455         strcpy(pcm->name, "Multichannel Playback");
1456         emu->pcm_multi = pcm;
1457
1458         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1459                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1460                         return err;
1461
1462         return 0;
1463 }
1464
1465
1466 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1467         .open =                 snd_emu10k1_capture_mic_open,
1468         .close =                snd_emu10k1_capture_mic_close,
1469         .ioctl =                snd_pcm_lib_ioctl,
1470         .hw_params =            snd_emu10k1_capture_hw_params,
1471         .hw_free =              snd_emu10k1_capture_hw_free,
1472         .prepare =              snd_emu10k1_capture_prepare,
1473         .trigger =              snd_emu10k1_capture_trigger,
1474         .pointer =              snd_emu10k1_capture_pointer,
1475 };
1476
1477 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
1478 {
1479         struct snd_pcm *pcm;
1480         int err;
1481
1482         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1483                 return err;
1484
1485         pcm->private_data = emu;
1486
1487         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1488
1489         pcm->info_flags = 0;
1490         strcpy(pcm->name, "Mic Capture");
1491         emu->pcm_mic = pcm;
1492
1493         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1494
1495         return 0;
1496 }
1497
1498 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1499 {
1500         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1501         int nefx = emu->audigy ? 64 : 32;
1502         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1503         uinfo->count = nefx;
1504         uinfo->value.integer.min = 0;
1505         uinfo->value.integer.max = 1;
1506         return 0;
1507 }
1508
1509 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1510 {
1511         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1512         int nefx = emu->audigy ? 64 : 32;
1513         int idx;
1514
1515         spin_lock_irq(&emu->reg_lock);
1516         for (idx = 0; idx < nefx; idx++)
1517                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1518         spin_unlock_irq(&emu->reg_lock);
1519         return 0;
1520 }
1521
1522 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1523 {
1524         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1525         unsigned int nval[2], bits;
1526         int nefx = emu->audigy ? 64 : 32;
1527         int nefxb = emu->audigy ? 7 : 6;
1528         int change, idx;
1529
1530         nval[0] = nval[1] = 0;
1531         for (idx = 0, bits = 0; idx < nefx; idx++)
1532                 if (ucontrol->value.integer.value[idx]) {
1533                         nval[idx / 32] |= 1 << (idx % 32);
1534                         bits++;
1535                 }
1536
1537         for (idx = 0; idx < nefxb; idx++)
1538                 if (1 << idx == bits)
1539                         break;
1540
1541         if (idx >= nefxb)
1542                 return -EINVAL;
1543
1544         spin_lock_irq(&emu->reg_lock);
1545         change = (nval[0] != emu->efx_voices_mask[0]) ||
1546                 (nval[1] != emu->efx_voices_mask[1]);
1547         emu->efx_voices_mask[0] = nval[0];
1548         emu->efx_voices_mask[1] = nval[1];
1549         spin_unlock_irq(&emu->reg_lock);
1550         return change;
1551 }
1552
1553 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1554         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1555         .name = "Captured FX8010 Outputs",
1556         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1557         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1558         .put = snd_emu10k1_pcm_efx_voices_mask_put
1559 };
1560
1561 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1562         .open =                 snd_emu10k1_capture_efx_open,
1563         .close =                snd_emu10k1_capture_efx_close,
1564         .ioctl =                snd_pcm_lib_ioctl,
1565         .hw_params =            snd_emu10k1_capture_hw_params,
1566         .hw_free =              snd_emu10k1_capture_hw_free,
1567         .prepare =              snd_emu10k1_capture_prepare,
1568         .trigger =              snd_emu10k1_capture_trigger,
1569         .pointer =              snd_emu10k1_capture_pointer,
1570 };
1571
1572
1573 /* EFX playback */
1574
1575 #define INITIAL_TRAM_SHIFT     14
1576 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1577
1578 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1579 {
1580         struct snd_pcm_substream *substream = private_data;
1581         snd_pcm_period_elapsed(substream);
1582 }
1583
1584 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1585                                                    unsigned short *dst_right,
1586                                                    unsigned short *src,
1587                                                    unsigned int count,
1588                                                    unsigned int tram_shift)
1589 {
1590         /*
1591         dev_dbg(emu->card->dev,
1592                 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1593                "src = 0x%p, count = 0x%x\n",
1594                dst_left, dst_right, src, count);
1595         */
1596         if ((tram_shift & 1) == 0) {
1597                 while (count--) {
1598                         *dst_left-- = *src++;
1599                         *dst_right-- = *src++;
1600                 }
1601         } else {
1602                 while (count--) {
1603                         *dst_right-- = *src++;
1604                         *dst_left-- = *src++;
1605                 }
1606         }
1607 }
1608
1609 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1610                                  struct snd_pcm_indirect *rec, size_t bytes)
1611 {
1612         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1613         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1614         unsigned int tram_size = pcm->buffer_size;
1615         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1616         unsigned int frames = bytes >> 2, count;
1617         unsigned int tram_pos = pcm->tram_pos;
1618         unsigned int tram_shift = pcm->tram_shift;
1619
1620         while (frames > tram_pos) {
1621                 count = tram_pos + 1;
1622                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1623                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1624                                                        src, count, tram_shift);
1625                 src += count * 2;
1626                 frames -= count;
1627                 tram_pos = (tram_size / 2) - 1;
1628                 tram_shift++;
1629         }
1630         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1631                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1632                                                src, frames, tram_shift);
1633         tram_pos -= frames;
1634         pcm->tram_pos = tram_pos;
1635         pcm->tram_shift = tram_shift;
1636 }
1637
1638 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1639 {
1640         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1641         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1642
1643         return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
1644                                                   fx8010_pb_trans_copy);
1645 }
1646
1647 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1648                                                  struct snd_pcm_hw_params *hw_params)
1649 {
1650         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1651 }
1652
1653 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1654 {
1655         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1656         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1657         unsigned int i;
1658
1659         for (i = 0; i < pcm->channels; i++)
1660                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1661         snd_pcm_lib_free_pages(substream);
1662         return 0;
1663 }
1664
1665 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1666 {
1667         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1668         struct snd_pcm_runtime *runtime = substream->runtime;
1669         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1670         unsigned int i;
1671
1672         /*
1673         dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1674                "buffer_size = 0x%x (0x%x)\n",
1675                emu->fx8010.etram_pages, runtime->dma_area,
1676                runtime->buffer_size, runtime->buffer_size << 2);
1677         */
1678         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1679         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1680         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1681         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1682         pcm->tram_shift = 0;
1683         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1684         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1685         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1686         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1687         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1688         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1689         for (i = 0; i < pcm->channels; i++)
1690                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1691         return 0;
1692 }
1693
1694 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1695 {
1696         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1697         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1698         int result = 0;
1699
1700         spin_lock(&emu->reg_lock);
1701         switch (cmd) {
1702         case SNDRV_PCM_TRIGGER_START:
1703                 /* follow thru */
1704         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1705         case SNDRV_PCM_TRIGGER_RESUME:
1706 #ifdef EMU10K1_SET_AC3_IEC958
1707         {
1708                 int i;
1709                 for (i = 0; i < 3; i++) {
1710                         unsigned int bits;
1711                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1712                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1713                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1714                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1715                 }
1716         }
1717 #endif
1718                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1719                 if (result < 0)
1720                         goto __err;
1721                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1722                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1723                 break;
1724         case SNDRV_PCM_TRIGGER_STOP:
1725         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1726         case SNDRV_PCM_TRIGGER_SUSPEND:
1727                 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1728                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1729                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1730                 pcm->tram_shift = 0;
1731                 break;
1732         default:
1733                 result = -EINVAL;
1734                 break;
1735         }
1736       __err:
1737         spin_unlock(&emu->reg_lock);
1738         return result;
1739 }
1740
1741 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1742 {
1743         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1744         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1745         size_t ptr; /* byte pointer */
1746
1747         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1748                 return 0;
1749         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1750         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1751 }
1752
1753 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1754 {
1755         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1756                                  SNDRV_PCM_INFO_RESUME |
1757                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1758         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1759         .rates =                SNDRV_PCM_RATE_48000,
1760         .rate_min =             48000,
1761         .rate_max =             48000,
1762         .channels_min =         1,
1763         .channels_max =         1,
1764         .buffer_bytes_max =     (128*1024),
1765         .period_bytes_min =     1024,
1766         .period_bytes_max =     (128*1024),
1767         .periods_min =          2,
1768         .periods_max =          1024,
1769         .fifo_size =            0,
1770 };
1771
1772 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1773 {
1774         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1775         struct snd_pcm_runtime *runtime = substream->runtime;
1776         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1777
1778         runtime->hw = snd_emu10k1_fx8010_playback;
1779         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1780         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1781         spin_lock_irq(&emu->reg_lock);
1782         if (pcm->valid == 0) {
1783                 spin_unlock_irq(&emu->reg_lock);
1784                 return -ENODEV;
1785         }
1786         pcm->opened = 1;
1787         spin_unlock_irq(&emu->reg_lock);
1788         return 0;
1789 }
1790
1791 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1792 {
1793         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1794         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1795
1796         spin_lock_irq(&emu->reg_lock);
1797         pcm->opened = 0;
1798         spin_unlock_irq(&emu->reg_lock);
1799         return 0;
1800 }
1801
1802 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1803         .open =                 snd_emu10k1_fx8010_playback_open,
1804         .close =                snd_emu10k1_fx8010_playback_close,
1805         .ioctl =                snd_pcm_lib_ioctl,
1806         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1807         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1808         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1809         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1810         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1811         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1812 };
1813
1814 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
1815 {
1816         struct snd_pcm *pcm;
1817         struct snd_kcontrol *kctl;
1818         int err;
1819
1820         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1821                 return err;
1822
1823         pcm->private_data = emu;
1824
1825         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1826         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1827
1828         pcm->info_flags = 0;
1829         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1830         emu->pcm_efx = pcm;
1831
1832         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1833          * to these
1834          */
1835
1836         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1837         if (emu->audigy) {
1838                 emu->efx_voices_mask[0] = 0;
1839                 if (emu->card_capabilities->emu_model)
1840                         /* Pavel Hofman - 32 voices will be used for
1841                          * capture (write mode) -
1842                          * each bit = corresponding voice
1843                          */
1844                         emu->efx_voices_mask[1] = 0xffffffff;
1845                 else
1846                         emu->efx_voices_mask[1] = 0xffff;
1847         } else {
1848                 emu->efx_voices_mask[0] = 0xffff0000;
1849                 emu->efx_voices_mask[1] = 0;
1850         }
1851         /* For emu1010, the control has to set 32 upper bits (voices)
1852          * out of the 64 bits (voices) to true for the 16-channels capture
1853          * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1854          * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1855          * control can override this register's value.
1856          */
1857         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1858         if (!kctl)
1859                 return -ENOMEM;
1860         kctl->id.device = device;
1861         snd_ctl_add(emu->card, kctl);
1862
1863         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1864
1865         return 0;
1866 }