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 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 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 unsigned int capture_rates[8] = {
 185         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 186 };
 187
 188 static 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 << 1) | MAP_PTI_MASK;
 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         int err;
 415
 416         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 417                 return err;
 418         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
 419                 return err;
 420         if (err > 0) {  /* change */
 421                 int mapped;
 422                 if (epcm->memblk != NULL)
 423                         snd_emu10k1_free_pages(emu, epcm->memblk);
 424                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 425                 epcm->start_addr = 0;
 426                 if (! epcm->memblk)
 427                         return -ENOMEM;
 428                 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 429                 if (mapped < 0)
 430                         return -ENOMEM;
 431                 epcm->start_addr = mapped << PAGE_SHIFT;
 432         }
 433         return 0;
 434 }
 435
 436 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 437 {
 438         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 439         struct snd_pcm_runtime *runtime = substream->runtime;
 440         struct snd_emu10k1_pcm *epcm;
 441
 442         if (runtime->private_data == NULL)
 443                 return 0;
 444         epcm = runtime->private_data;
 445         if (epcm->extra) {
 446                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 447                 epcm->extra = NULL;
 448         }
 449         if (epcm->voices[1]) {
 450                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 451                 epcm->voices[1] = NULL;
 452         }
 453         if (epcm->voices[0]) {
 454                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 455                 epcm->voices[0] = NULL;
 456         }
 457         if (epcm->memblk) {
 458                 snd_emu10k1_free_pages(emu, epcm->memblk);
 459                 epcm->memblk = NULL;
 460                 epcm->start_addr = 0;
 461         }
 462         snd_pcm_lib_free_pages(substream);
 463         return 0;
 464 }
 465
 466 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 467 {
 468         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 469         struct snd_pcm_runtime *runtime = substream->runtime;
 470         struct snd_emu10k1_pcm *epcm;
 471         int i;
 472
 473         if (runtime->private_data == NULL)
 474                 return 0;
 475         epcm = runtime->private_data;
 476         if (epcm->extra) {
 477                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 478                 epcm->extra = NULL;
 479         }
 480         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 481                 if (epcm->voices[i]) {
 482                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 483                         epcm->voices[i] = NULL;
 484                 }
 485         }
 486         if (epcm->memblk) {
 487                 snd_emu10k1_free_pages(emu, epcm->memblk);
 488                 epcm->memblk = NULL;
 489                 epcm->start_addr = 0;
 490         }
 491         snd_pcm_lib_free_pages(substream);
 492         return 0;
 493 }
 494
 495 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 496 {
 497         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 498         struct snd_pcm_runtime *runtime = substream->runtime;
 499         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 500         unsigned int start_addr, end_addr;
 501
 502         start_addr = epcm->start_addr;
 503         end_addr = snd_pcm_lib_period_bytes(substream);
 504         if (runtime->channels == 2) {
 505                 start_addr >>= 1;
 506                 end_addr >>= 1;
 507         }
 508         end_addr += start_addr;
 509         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 510                                    start_addr, end_addr, NULL);
 511         start_addr = epcm->start_addr;
 512         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 513         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 514                                    start_addr, end_addr,
 515                                    &emu->pcm_mixer[substream->number]);
 516         if (epcm->voices[1])
 517                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 518                                            start_addr, end_addr,
 519                                            &emu->pcm_mixer[substream->number]);
 520         return 0;
 521 }
 522
 523 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 524 {
 525         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 526         struct snd_pcm_runtime *runtime = substream->runtime;
 527         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 528         unsigned int start_addr, end_addr;
 529         unsigned int channel_size;
 530         int i;
 531
 532         start_addr = epcm->start_addr;
 533         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 534
 535         /*
 536          * the kX driver leaves some space between voices
 537          */
 538         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 539
 540         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 541                                    start_addr, start_addr + (channel_size / 2), NULL);
 542
 543         /* only difference with the master voice is we use it for the pointer */
 544         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 545                                    start_addr, start_addr + channel_size,
 546                                    &emu->efx_pcm_mixer[0]);
 547
 548         start_addr += channel_size;
 549         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 550                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 551                                            start_addr, start_addr + channel_size,
 552                                            &emu->efx_pcm_mixer[i]);
 553                 start_addr += channel_size;
 554         }
 555
 556         return 0;
 557 }
 558
 559 static struct snd_pcm_hardware snd_emu10k1_efx_playback =
 560 {
 561         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 562                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 563                                  SNDRV_PCM_INFO_RESUME |
 564                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 565         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 566         .rates =                SNDRV_PCM_RATE_48000,
 567         .rate_min =             48000,
 568         .rate_max =             48000,
 569         .channels_min =         NUM_EFX_PLAYBACK,
 570         .channels_max =         NUM_EFX_PLAYBACK,
 571         .buffer_bytes_max =     (64*1024),
 572         .period_bytes_min =     64,
 573         .period_bytes_max =     (64*1024),
 574         .periods_min =          2,
 575         .periods_max =          2,
 576         .fifo_size =            0,
 577 };
 578
 579 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
 580                                          struct snd_pcm_hw_params *hw_params)
 581 {
 582         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 583 }
 584
 585 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
 586 {
 587         return snd_pcm_lib_free_pages(substream);
 588 }
 589
 590 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 591 {
 592         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 593         struct snd_pcm_runtime *runtime = substream->runtime;
 594         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 595         int idx;
 596
 597         /* zeroing the buffer size will stop capture */
 598         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 599         switch (epcm->type) {
 600         case CAPTURE_AC97ADC:
 601                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 602                 break;
 603         case CAPTURE_EFX:
 604                 if (emu->audigy) {
 605                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 606                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 607                 } else
 608                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 609                 break;
 610         default:
 611                 break;
 612         }
 613         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 614         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 615         epcm->capture_bs_val = 0;
 616         for (idx = 0; idx < 31; idx++) {
 617                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 618                         epcm->capture_bs_val = idx + 1;
 619                         break;
 620                 }
 621         }
 622         if (epcm->capture_bs_val == 0) {
 623                 snd_BUG();
 624                 epcm->capture_bs_val++;
 625         }
 626         if (epcm->type == CAPTURE_AC97ADC) {
 627                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 628                 if (runtime->channels > 1)
 629                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 630                 epcm->capture_cr_val |= emu->audigy ?
 631                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 632                         snd_emu10k1_capture_rate_reg(runtime->rate);
 633         }
 634         return 0;
 635 }
 636
 637 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 638 {
 639         struct snd_pcm_runtime *runtime;
 640         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 641
 642         if (evoice == NULL)
 643                 return;
 644         runtime = evoice->epcm->substream->runtime;
 645         voice = evoice->number;
 646         stereo = (!extra && runtime->channels == 2);
 647         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 648         ccis = emu10k1_ccis(stereo, sample == 0);
 649         /* set cs to 2 * number of cache registers beside the invalidated */
 650         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 651         if (cs > 16) cs = 16;
 652         for (i = 0; i < cs; i++) {
 653                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 654                 if (stereo) {
 655                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 656                 }
 657         }
 658         /* reset cache */
 659         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 660         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 661         if (stereo) {
 662                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 663                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 664         }
 665         /* fill cache */
 666         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 667         if (stereo) {
 668                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 669         }
 670 }
 671
 672 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 673                                                int master, int extra,
 674                                                struct snd_emu10k1_pcm_mixer *mix)
 675 {
 676         struct snd_pcm_substream *substream;
 677         struct snd_pcm_runtime *runtime;
 678         unsigned int attn, vattn;
 679         unsigned int voice, tmp;
 680
 681         if (evoice == NULL)     /* skip second voice for mono */
 682                 return;
 683         substream = evoice->epcm->substream;
 684         runtime = substream->runtime;
 685         voice = evoice->number;
 686
 687         attn = extra ? 0 : 0x00ff;
 688         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 689         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 690         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 691         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 692         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 693         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 694         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 695 }
 696
 697 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 698 {
 699         struct snd_pcm_substream *substream;
 700         struct snd_pcm_runtime *runtime;
 701         unsigned int voice, pitch, pitch_target;
 702
 703         if (evoice == NULL)     /* skip second voice for mono */
 704                 return;
 705         substream = evoice->epcm->substream;
 706         runtime = substream->runtime;
 707         voice = evoice->number;
 708
 709         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 710         if (emu->card_capabilities->emu_model)
 711                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 712         else
 713                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 714         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 715         if (master || evoice->epcm->type == PLAYBACK_EFX)
 716                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 717         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 718         if (extra)
 719                 snd_emu10k1_voice_intr_enable(emu, voice);
 720 }
 721
 722 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 723 {
 724         unsigned int voice;
 725
 726         if (evoice == NULL)
 727                 return;
 728         voice = evoice->number;
 729         snd_emu10k1_voice_intr_disable(emu, voice);
 730         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 731         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 732         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 733         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 734         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 735         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 736 }
 737
 738 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 739                 struct snd_emu10k1_pcm *epcm,
 740                 struct snd_pcm_substream *substream,
 741                 struct snd_pcm_runtime *runtime)
 742 {
 743         unsigned int ptr, period_pos;
 744
 745         /* try to sychronize the current position for the interrupt
 746            source voice */
 747         period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 748         period_pos %= runtime->period_size;
 749         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 750         ptr &= ~0x00ffffff;
 751         ptr |= epcm->ccca_start_addr + period_pos;
 752         snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 753 }
 754
 755 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 756                                         int cmd)
 757 {
 758         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 759         struct snd_pcm_runtime *runtime = substream->runtime;
 760         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 761         struct snd_emu10k1_pcm_mixer *mix;
 762         int result = 0;
 763
 764         /*
 765         dev_dbg(emu->card->dev,
 766                 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 767                (int)emu, cmd, substream->ops->pointer(substream))
 768         */
 769         spin_lock(&emu->reg_lock);
 770         switch (cmd) {
 771         case SNDRV_PCM_TRIGGER_START:
 772                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 773                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 774                 /* follow thru */
 775         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 776         case SNDRV_PCM_TRIGGER_RESUME:
 777                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 778                         snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 779                 mix = &emu->pcm_mixer[substream->number];
 780                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 781                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 782                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 783                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 784                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 785                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 786                 epcm->running = 1;
 787                 break;
 788         case SNDRV_PCM_TRIGGER_STOP:
 789         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 790         case SNDRV_PCM_TRIGGER_SUSPEND:
 791                 epcm->running = 0;
 792                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 793                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 794                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 795                 break;
 796         default:
 797                 result = -EINVAL;
 798                 break;
 799         }
 800         spin_unlock(&emu->reg_lock);
 801         return result;
 802 }
 803
 804 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 805                                        int cmd)
 806 {
 807         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 808         struct snd_pcm_runtime *runtime = substream->runtime;
 809         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 810         int result = 0;
 811
 812         spin_lock(&emu->reg_lock);
 813         switch (cmd) {
 814         case SNDRV_PCM_TRIGGER_START:
 815         case SNDRV_PCM_TRIGGER_RESUME:
 816                 /* hmm this should cause full and half full interrupt to be raised? */
 817                 outl(epcm->capture_ipr, emu->port + IPR);
 818                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 819                 /*
 820                 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
 821                        epcm->adccr, epcm->adcbs);
 822                 */
 823                 switch (epcm->type) {
 824                 case CAPTURE_AC97ADC:
 825                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 826                         break;
 827                 case CAPTURE_EFX:
 828                         if (emu->audigy) {
 829                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 830                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 831                                 dev_dbg(emu->card->dev,
 832                                         "cr_val=0x%x, cr_val2=0x%x\n",
 833                                         epcm->capture_cr_val,
 834                                         epcm->capture_cr_val2);
 835                         } else
 836                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 837                         break;
 838                 default:
 839                         break;
 840                 }
 841                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 842                 epcm->running = 1;
 843                 epcm->first_ptr = 1;
 844                 break;
 845         case SNDRV_PCM_TRIGGER_STOP:
 846         case SNDRV_PCM_TRIGGER_SUSPEND:
 847                 epcm->running = 0;
 848                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 849                 outl(epcm->capture_ipr, emu->port + IPR);
 850                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 851                 switch (epcm->type) {
 852                 case CAPTURE_AC97ADC:
 853                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 854                         break;
 855                 case CAPTURE_EFX:
 856                         if (emu->audigy) {
 857                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 858                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 859                         } else
 860                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 861                         break;
 862                 default:
 863                         break;
 864                 }
 865                 break;
 866         default:
 867                 result = -EINVAL;
 868         }
 869         spin_unlock(&emu->reg_lock);
 870         return result;
 871 }
 872
 873 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 874 {
 875         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 876         struct snd_pcm_runtime *runtime = substream->runtime;
 877         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 878         unsigned int ptr;
 879
 880         if (!epcm->running)
 881                 return 0;
 882         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 883 #if 0   /* Perex's code */
 884         ptr += runtime->buffer_size;
 885         ptr -= epcm->ccca_start_addr;
 886         ptr %= runtime->buffer_size;
 887 #else   /* EMU10K1 Open Source code from Creative */
 888         if (ptr < epcm->ccca_start_addr)
 889                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 890         else {
 891                 ptr -= epcm->ccca_start_addr;
 892                 if (ptr >= runtime->buffer_size)
 893                         ptr -= runtime->buffer_size;
 894         }
 895 #endif
 896         /*
 897         dev_dbg(emu->card->dev,
 898                "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 899                (long)ptr, (long)runtime->buffer_size,
 900                (long)runtime->period_size);
 901         */
 902         return ptr;
 903 }
 904
 905
 906 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 907                                         int cmd)
 908 {
 909         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 910         struct snd_pcm_runtime *runtime = substream->runtime;
 911         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 912         int i;
 913         int result = 0;
 914
 915         spin_lock(&emu->reg_lock);
 916         switch (cmd) {
 917         case SNDRV_PCM_TRIGGER_START:
 918                 /* prepare voices */
 919                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 920                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 921                 }
 922                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 923
 924                 /* follow thru */
 925         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 926         case SNDRV_PCM_TRIGGER_RESUME:
 927                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 928                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 929                                                    &emu->efx_pcm_mixer[0]);
 930                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 931                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 932                                                            &emu->efx_pcm_mixer[i]);
 933                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 934                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 935                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 936                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 937                 epcm->running = 1;
 938                 break;
 939         case SNDRV_PCM_TRIGGER_SUSPEND:
 940         case SNDRV_PCM_TRIGGER_STOP:
 941         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 942                 epcm->running = 0;
 943                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 944                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 945                 }
 946                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 947                 break;
 948         default:
 949                 result = -EINVAL;
 950                 break;
 951         }
 952         spin_unlock(&emu->reg_lock);
 953         return result;
 954 }
 955
 956
 957 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 958 {
 959         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 960         struct snd_pcm_runtime *runtime = substream->runtime;
 961         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 962         unsigned int ptr;
 963
 964         if (!epcm->running)
 965                 return 0;
 966         if (epcm->first_ptr) {
 967                 udelay(50);     /* hack, it takes awhile until capture is started */
 968                 epcm->first_ptr = 0;
 969         }
 970         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 971         return bytes_to_frames(runtime, ptr);
 972 }
 973
 974 /*
 975  *  Playback support device description
 976  */
 977
 978 static struct snd_pcm_hardware snd_emu10k1_playback =
 979 {
 980         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 981                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 982                                  SNDRV_PCM_INFO_RESUME |
 983                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 984         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 985         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 986         .rate_min =             4000,
 987         .rate_max =             96000,
 988         .channels_min =         1,
 989         .channels_max =         2,
 990         .buffer_bytes_max =     (128*1024),
 991         .period_bytes_min =     64,
 992         .period_bytes_max =     (128*1024),
 993         .periods_min =          1,
 994         .periods_max =          1024,
 995         .fifo_size =            0,
 996 };
 997
 998 /*
 999  *  Capture support device description
1000  */
1001
1002 static struct snd_pcm_hardware snd_emu10k1_capture =
1003 {
1004         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1005                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1006                                  SNDRV_PCM_INFO_RESUME |
1007                                  SNDRV_PCM_INFO_MMAP_VALID),
1008         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1009         .rates =                SNDRV_PCM_RATE_8000_48000,
1010         .rate_min =             8000,
1011         .rate_max =             48000,
1012         .channels_min =         1,
1013         .channels_max =         2,
1014         .buffer_bytes_max =     (64*1024),
1015         .period_bytes_min =     384,
1016         .period_bytes_max =     (64*1024),
1017         .periods_min =          2,
1018         .periods_max =          2,
1019         .fifo_size =            0,
1020 };
1021
1022 static struct snd_pcm_hardware snd_emu10k1_capture_efx =
1023 {
1024         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1025                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1026                                  SNDRV_PCM_INFO_RESUME |
1027                                  SNDRV_PCM_INFO_MMAP_VALID),
1028         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1029         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1030                                  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1031                                  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1032         .rate_min =             44100,
1033         .rate_max =             192000,
1034         .channels_min =         8,
1035         .channels_max =         8,
1036         .buffer_bytes_max =     (64*1024),
1037         .period_bytes_min =     384,
1038         .period_bytes_max =     (64*1024),
1039         .periods_min =          2,
1040         .periods_max =          2,
1041         .fifo_size =            0,
1042 };
1043
1044 /*
1045  *
1046  */
1047
1048 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1049 {
1050         struct snd_ctl_elem_id id;
1051
1052         if (! kctl)
1053                 return;
1054         if (activate)
1055                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1056         else
1057                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1058         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1059                        SNDRV_CTL_EVENT_MASK_INFO,
1060                        snd_ctl_build_ioff(&id, kctl, idx));
1061 }
1062
1063 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1064 {
1065         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1066         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1067         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1068 }
1069
1070 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1071 {
1072         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1073         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1074         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1075 }
1076
1077 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1078 {
1079         kfree(runtime->private_data);
1080 }
1081
1082 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1083 {
1084         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1085         struct snd_emu10k1_pcm_mixer *mix;
1086         int i;
1087
1088         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1089                 mix = &emu->efx_pcm_mixer[i];
1090                 mix->epcm = NULL;
1091                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1092         }
1093         return 0;
1094 }
1095
1096 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1097 {
1098         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1099         struct snd_emu10k1_pcm *epcm;
1100         struct snd_emu10k1_pcm_mixer *mix;
1101         struct snd_pcm_runtime *runtime = substream->runtime;
1102         int i;
1103
1104         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1105         if (epcm == NULL)
1106                 return -ENOMEM;
1107         epcm->emu = emu;
1108         epcm->type = PLAYBACK_EFX;
1109         epcm->substream = substream;
1110
1111         emu->pcm_playback_efx_substream = substream;
1112
1113         runtime->private_data = epcm;
1114         runtime->private_free = snd_emu10k1_pcm_free_substream;
1115         runtime->hw = snd_emu10k1_efx_playback;
1116
1117         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1118                 mix = &emu->efx_pcm_mixer[i];
1119                 mix->send_routing[0][0] = i;
1120                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1121                 mix->send_volume[0][0] = 255;
1122                 mix->attn[0] = 0xffff;
1123                 mix->epcm = epcm;
1124                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1125         }
1126         return 0;
1127 }
1128
1129 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1130 {
1131         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1132         struct snd_emu10k1_pcm *epcm;
1133         struct snd_emu10k1_pcm_mixer *mix;
1134         struct snd_pcm_runtime *runtime = substream->runtime;
1135         int i, err, sample_rate;
1136
1137         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1138         if (epcm == NULL)
1139                 return -ENOMEM;
1140         epcm->emu = emu;
1141         epcm->type = PLAYBACK_EMUVOICE;
1142         epcm->substream = substream;
1143         runtime->private_data = epcm;
1144         runtime->private_free = snd_emu10k1_pcm_free_substream;
1145         runtime->hw = snd_emu10k1_playback;
1146         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1147                 kfree(epcm);
1148                 return err;
1149         }
1150         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1151                 kfree(epcm);
1152                 return err;
1153         }
1154         if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1155                 sample_rate = 44100;
1156         else
1157                 sample_rate = 48000;
1158         err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1159         if (err < 0) {
1160                 kfree(epcm);
1161                 return err;
1162         }
1163         mix = &emu->pcm_mixer[substream->number];
1164         for (i = 0; i < 4; i++)
1165                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1166         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1167         mix->send_volume[0][0] = mix->send_volume[0][1] =
1168         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1169         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1170         mix->epcm = epcm;
1171         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1172         return 0;
1173 }
1174
1175 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1176 {
1177         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1178         struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1179
1180         mix->epcm = NULL;
1181         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1182         return 0;
1183 }
1184
1185 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1186 {
1187         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1188         struct snd_pcm_runtime *runtime = substream->runtime;
1189         struct snd_emu10k1_pcm *epcm;
1190
1191         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1192         if (epcm == NULL)
1193                 return -ENOMEM;
1194         epcm->emu = emu;
1195         epcm->type = CAPTURE_AC97ADC;
1196         epcm->substream = substream;
1197         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1198         epcm->capture_inte = INTE_ADCBUFENABLE;
1199         epcm->capture_ba_reg = ADCBA;
1200         epcm->capture_bs_reg = ADCBS;
1201         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1202         runtime->private_data = epcm;
1203         runtime->private_free = snd_emu10k1_pcm_free_substream;
1204         runtime->hw = snd_emu10k1_capture;
1205         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1206         emu->pcm_capture_substream = substream;
1207         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1208         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1209         return 0;
1210 }
1211
1212 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1213 {
1214         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1215
1216         emu->capture_interrupt = NULL;
1217         emu->pcm_capture_substream = NULL;
1218         return 0;
1219 }
1220
1221 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1222 {
1223         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1224         struct snd_emu10k1_pcm *epcm;
1225         struct snd_pcm_runtime *runtime = substream->runtime;
1226
1227         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1228         if (epcm == NULL)
1229                 return -ENOMEM;
1230         epcm->emu = emu;
1231         epcm->type = CAPTURE_AC97MIC;
1232         epcm->substream = substream;
1233         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1234         epcm->capture_inte = INTE_MICBUFENABLE;
1235         epcm->capture_ba_reg = MICBA;
1236         epcm->capture_bs_reg = MICBS;
1237         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1238         substream->runtime->private_data = epcm;
1239         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1240         runtime->hw = snd_emu10k1_capture;
1241         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1242         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1243         runtime->hw.channels_min = 1;
1244         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1245         emu->pcm_capture_mic_substream = substream;
1246         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1247         return 0;
1248 }
1249
1250 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1251 {
1252         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1253
1254         emu->capture_interrupt = NULL;
1255         emu->pcm_capture_mic_substream = NULL;
1256         return 0;
1257 }
1258
1259 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1260 {
1261         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1262         struct snd_emu10k1_pcm *epcm;
1263         struct snd_pcm_runtime *runtime = substream->runtime;
1264         int nefx = emu->audigy ? 64 : 32;
1265         int idx;
1266
1267         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1268         if (epcm == NULL)
1269                 return -ENOMEM;
1270         epcm->emu = emu;
1271         epcm->type = CAPTURE_EFX;
1272         epcm->substream = substream;
1273         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1274         epcm->capture_inte = INTE_EFXBUFENABLE;
1275         epcm->capture_ba_reg = FXBA;
1276         epcm->capture_bs_reg = FXBS;
1277         epcm->capture_idx_reg = FXIDX;
1278         substream->runtime->private_data = epcm;
1279         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1280         runtime->hw = snd_emu10k1_capture_efx;
1281         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1282         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1283         spin_lock_irq(&emu->reg_lock);
1284         if (emu->card_capabilities->emu_model) {
1285                 /*  Nb. of channels has been increased to 16 */
1286                 /* TODO
1287                  * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1288                  * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1289                  * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1290                  * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1291                  * rate_min = 44100,
1292                  * rate_max = 192000,
1293                  * channels_min = 16,
1294                  * channels_max = 16,
1295                  * Need to add mixer control to fix sample rate
1296                  *
1297                  * There are 32 mono channels of 16bits each.
1298                  * 24bit Audio uses 2x channels over 16bit
1299                  * 96kHz uses 2x channels over 48kHz
1300                  * 192kHz uses 4x channels over 48kHz
1301                  * So, for 48kHz 24bit, one has 16 channels
1302                  * for 96kHz 24bit, one has 8 channels
1303                  * for 192kHz 24bit, one has 4 channels
1304                  *
1305                  */
1306 #if 1
1307                 switch (emu->emu1010.internal_clock) {
1308                 case 0:
1309                         /* For 44.1kHz */
1310                         runtime->hw.rates = SNDRV_PCM_RATE_44100;
1311                         runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1312                         runtime->hw.channels_min =
1313                                 runtime->hw.channels_max = 16;
1314                         break;
1315                 case 1:
1316                         /* For 48kHz */
1317                         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1318                         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1319                         runtime->hw.channels_min =
1320                                 runtime->hw.channels_max = 16;
1321                         break;
1322                 }
1323 #endif
1324 #if 0
1325                 /* For 96kHz */
1326                 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1327                 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1328                 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1329 #endif
1330 #if 0
1331                 /* For 192kHz */
1332                 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1333                 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1334                 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1335 #endif
1336                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1337                 /* efx_voices_mask[0] is expected to be zero
1338                  * efx_voices_mask[1] is expected to have 32bits set
1339                  */
1340         } else {
1341                 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1342                 for (idx = 0; idx < nefx; idx++) {
1343                         if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1344                                 runtime->hw.channels_min++;
1345                                 runtime->hw.channels_max++;
1346                         }
1347                 }
1348         }
1349         epcm->capture_cr_val = emu->efx_voices_mask[0];
1350         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1351         spin_unlock_irq(&emu->reg_lock);
1352         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1353         emu->pcm_capture_efx_substream = substream;
1354         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1355         return 0;
1356 }
1357
1358 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1359 {
1360         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1361
1362         emu->capture_interrupt = NULL;
1363         emu->pcm_capture_efx_substream = NULL;
1364         return 0;
1365 }
1366
1367 static struct snd_pcm_ops snd_emu10k1_playback_ops = {
1368         .open =                 snd_emu10k1_playback_open,
1369         .close =                snd_emu10k1_playback_close,
1370         .ioctl =                snd_pcm_lib_ioctl,
1371         .hw_params =            snd_emu10k1_playback_hw_params,
1372         .hw_free =              snd_emu10k1_playback_hw_free,
1373         .prepare =              snd_emu10k1_playback_prepare,
1374         .trigger =              snd_emu10k1_playback_trigger,
1375         .pointer =              snd_emu10k1_playback_pointer,
1376         .page =                 snd_pcm_sgbuf_ops_page,
1377 };
1378
1379 static struct snd_pcm_ops snd_emu10k1_capture_ops = {
1380         .open =                 snd_emu10k1_capture_open,
1381         .close =                snd_emu10k1_capture_close,
1382         .ioctl =                snd_pcm_lib_ioctl,
1383         .hw_params =            snd_emu10k1_capture_hw_params,
1384         .hw_free =              snd_emu10k1_capture_hw_free,
1385         .prepare =              snd_emu10k1_capture_prepare,
1386         .trigger =              snd_emu10k1_capture_trigger,
1387         .pointer =              snd_emu10k1_capture_pointer,
1388 };
1389
1390 /* EFX playback */
1391 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1392         .open =                 snd_emu10k1_efx_playback_open,
1393         .close =                snd_emu10k1_efx_playback_close,
1394         .ioctl =                snd_pcm_lib_ioctl,
1395         .hw_params =            snd_emu10k1_playback_hw_params,
1396         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1397         .prepare =              snd_emu10k1_efx_playback_prepare,
1398         .trigger =              snd_emu10k1_efx_playback_trigger,
1399         .pointer =              snd_emu10k1_efx_playback_pointer,
1400         .page =                 snd_pcm_sgbuf_ops_page,
1401 };
1402
1403 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device, struct snd_pcm **rpcm)
1404 {
1405         struct snd_pcm *pcm;
1406         struct snd_pcm_substream *substream;
1407         int err;
1408
1409         if (rpcm)
1410                 *rpcm = NULL;
1411
1412         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1413                 return err;
1414
1415         pcm->private_data = emu;
1416
1417         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1418         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1419
1420         pcm->info_flags = 0;
1421         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1422         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1423         emu->pcm = pcm;
1424
1425         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1426                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1427                         return err;
1428
1429         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1430                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1431
1432         if (rpcm)
1433                 *rpcm = pcm;
1434
1435         return 0;
1436 }
1437
1438 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device,
1439                           struct snd_pcm **rpcm)
1440 {
1441         struct snd_pcm *pcm;
1442         struct snd_pcm_substream *substream;
1443         int err;
1444
1445         if (rpcm)
1446                 *rpcm = NULL;
1447
1448         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1449                 return err;
1450
1451         pcm->private_data = emu;
1452
1453         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1454
1455         pcm->info_flags = 0;
1456         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1457         strcpy(pcm->name, "Multichannel Playback");
1458         emu->pcm_multi = pcm;
1459
1460         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1461                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1462                         return err;
1463
1464         if (rpcm)
1465                 *rpcm = pcm;
1466
1467         return 0;
1468 }
1469
1470
1471 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1472         .open =                 snd_emu10k1_capture_mic_open,
1473         .close =                snd_emu10k1_capture_mic_close,
1474         .ioctl =                snd_pcm_lib_ioctl,
1475         .hw_params =            snd_emu10k1_capture_hw_params,
1476         .hw_free =              snd_emu10k1_capture_hw_free,
1477         .prepare =              snd_emu10k1_capture_prepare,
1478         .trigger =              snd_emu10k1_capture_trigger,
1479         .pointer =              snd_emu10k1_capture_pointer,
1480 };
1481
1482 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device,
1483                         struct snd_pcm **rpcm)
1484 {
1485         struct snd_pcm *pcm;
1486         int err;
1487
1488         if (rpcm)
1489                 *rpcm = NULL;
1490
1491         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1492                 return err;
1493
1494         pcm->private_data = emu;
1495
1496         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1497
1498         pcm->info_flags = 0;
1499         strcpy(pcm->name, "Mic Capture");
1500         emu->pcm_mic = pcm;
1501
1502         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1503
1504         if (rpcm)
1505                 *rpcm = pcm;
1506         return 0;
1507 }
1508
1509 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1510 {
1511         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1512         int nefx = emu->audigy ? 64 : 32;
1513         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1514         uinfo->count = nefx;
1515         uinfo->value.integer.min = 0;
1516         uinfo->value.integer.max = 1;
1517         return 0;
1518 }
1519
1520 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1521 {
1522         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1523         int nefx = emu->audigy ? 64 : 32;
1524         int idx;
1525
1526         spin_lock_irq(&emu->reg_lock);
1527         for (idx = 0; idx < nefx; idx++)
1528                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1529         spin_unlock_irq(&emu->reg_lock);
1530         return 0;
1531 }
1532
1533 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1534 {
1535         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1536         unsigned int nval[2], bits;
1537         int nefx = emu->audigy ? 64 : 32;
1538         int nefxb = emu->audigy ? 7 : 6;
1539         int change, idx;
1540
1541         nval[0] = nval[1] = 0;
1542         for (idx = 0, bits = 0; idx < nefx; idx++)
1543                 if (ucontrol->value.integer.value[idx]) {
1544                         nval[idx / 32] |= 1 << (idx % 32);
1545                         bits++;
1546                 }
1547
1548         for (idx = 0; idx < nefxb; idx++)
1549                 if (1 << idx == bits)
1550                         break;
1551
1552         if (idx >= nefxb)
1553                 return -EINVAL;
1554
1555         spin_lock_irq(&emu->reg_lock);
1556         change = (nval[0] != emu->efx_voices_mask[0]) ||
1557                 (nval[1] != emu->efx_voices_mask[1]);
1558         emu->efx_voices_mask[0] = nval[0];
1559         emu->efx_voices_mask[1] = nval[1];
1560         spin_unlock_irq(&emu->reg_lock);
1561         return change;
1562 }
1563
1564 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1565         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1566         .name = "Captured FX8010 Outputs",
1567         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1568         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1569         .put = snd_emu10k1_pcm_efx_voices_mask_put
1570 };
1571
1572 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1573         .open =                 snd_emu10k1_capture_efx_open,
1574         .close =                snd_emu10k1_capture_efx_close,
1575         .ioctl =                snd_pcm_lib_ioctl,
1576         .hw_params =            snd_emu10k1_capture_hw_params,
1577         .hw_free =              snd_emu10k1_capture_hw_free,
1578         .prepare =              snd_emu10k1_capture_prepare,
1579         .trigger =              snd_emu10k1_capture_trigger,
1580         .pointer =              snd_emu10k1_capture_pointer,
1581 };
1582
1583
1584 /* EFX playback */
1585
1586 #define INITIAL_TRAM_SHIFT     14
1587 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1588
1589 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1590 {
1591         struct snd_pcm_substream *substream = private_data;
1592         snd_pcm_period_elapsed(substream);
1593 }
1594
1595 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1596                                                    unsigned short *dst_right,
1597                                                    unsigned short *src,
1598                                                    unsigned int count,
1599                                                    unsigned int tram_shift)
1600 {
1601         /*
1602         dev_dbg(emu->card->dev,
1603                 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1604                "src = 0x%p, count = 0x%x\n",
1605                dst_left, dst_right, src, count);
1606         */
1607         if ((tram_shift & 1) == 0) {
1608                 while (count--) {
1609                         *dst_left-- = *src++;
1610                         *dst_right-- = *src++;
1611                 }
1612         } else {
1613                 while (count--) {
1614                         *dst_right-- = *src++;
1615                         *dst_left-- = *src++;
1616                 }
1617         }
1618 }
1619
1620 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1621                                  struct snd_pcm_indirect *rec, size_t bytes)
1622 {
1623         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1624         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1625         unsigned int tram_size = pcm->buffer_size;
1626         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1627         unsigned int frames = bytes >> 2, count;
1628         unsigned int tram_pos = pcm->tram_pos;
1629         unsigned int tram_shift = pcm->tram_shift;
1630
1631         while (frames > tram_pos) {
1632                 count = tram_pos + 1;
1633                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1634                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1635                                                        src, count, tram_shift);
1636                 src += count * 2;
1637                 frames -= count;
1638                 tram_pos = (tram_size / 2) - 1;
1639                 tram_shift++;
1640         }
1641         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1642                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1643                                                src, frames, tram_shift);
1644         tram_pos -= frames;
1645         pcm->tram_pos = tram_pos;
1646         pcm->tram_shift = tram_shift;
1647 }
1648
1649 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1650 {
1651         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1652         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1653
1654         snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1655         return 0;
1656 }
1657
1658 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1659                                                  struct snd_pcm_hw_params *hw_params)
1660 {
1661         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1662 }
1663
1664 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1665 {
1666         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1667         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1668         unsigned int i;
1669
1670         for (i = 0; i < pcm->channels; i++)
1671                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1672         snd_pcm_lib_free_pages(substream);
1673         return 0;
1674 }
1675
1676 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1677 {
1678         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1679         struct snd_pcm_runtime *runtime = substream->runtime;
1680         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1681         unsigned int i;
1682
1683         /*
1684         dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1685                "buffer_size = 0x%x (0x%x)\n",
1686                emu->fx8010.etram_pages, runtime->dma_area,
1687                runtime->buffer_size, runtime->buffer_size << 2);
1688         */
1689         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1690         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1691         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1692         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1693         pcm->tram_shift = 0;
1694         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1695         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1696         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1697         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1698         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1699         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1700         for (i = 0; i < pcm->channels; i++)
1701                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1702         return 0;
1703 }
1704
1705 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1706 {
1707         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1708         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1709         int result = 0;
1710
1711         spin_lock(&emu->reg_lock);
1712         switch (cmd) {
1713         case SNDRV_PCM_TRIGGER_START:
1714                 /* follow thru */
1715         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1716         case SNDRV_PCM_TRIGGER_RESUME:
1717 #ifdef EMU10K1_SET_AC3_IEC958
1718         {
1719                 int i;
1720                 for (i = 0; i < 3; i++) {
1721                         unsigned int bits;
1722                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1723                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1724                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1725                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1726                 }
1727         }
1728 #endif
1729                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1730                 if (result < 0)
1731                         goto __err;
1732                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1733                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1734                 break;
1735         case SNDRV_PCM_TRIGGER_STOP:
1736         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1737         case SNDRV_PCM_TRIGGER_SUSPEND:
1738                 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1739                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1740                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1741                 pcm->tram_shift = 0;
1742                 break;
1743         default:
1744                 result = -EINVAL;
1745                 break;
1746         }
1747       __err:
1748         spin_unlock(&emu->reg_lock);
1749         return result;
1750 }
1751
1752 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1753 {
1754         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1755         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1756         size_t ptr; /* byte pointer */
1757
1758         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1759                 return 0;
1760         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1761         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1762 }
1763
1764 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1765 {
1766         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1767                                  SNDRV_PCM_INFO_RESUME |
1768                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1769         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1770         .rates =                SNDRV_PCM_RATE_48000,
1771         .rate_min =             48000,
1772         .rate_max =             48000,
1773         .channels_min =         1,
1774         .channels_max =         1,
1775         .buffer_bytes_max =     (128*1024),
1776         .period_bytes_min =     1024,
1777         .period_bytes_max =     (128*1024),
1778         .periods_min =          2,
1779         .periods_max =          1024,
1780         .fifo_size =            0,
1781 };
1782
1783 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1784 {
1785         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1786         struct snd_pcm_runtime *runtime = substream->runtime;
1787         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1788
1789         runtime->hw = snd_emu10k1_fx8010_playback;
1790         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1791         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1792         spin_lock_irq(&emu->reg_lock);
1793         if (pcm->valid == 0) {
1794                 spin_unlock_irq(&emu->reg_lock);
1795                 return -ENODEV;
1796         }
1797         pcm->opened = 1;
1798         spin_unlock_irq(&emu->reg_lock);
1799         return 0;
1800 }
1801
1802 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1803 {
1804         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1805         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1806
1807         spin_lock_irq(&emu->reg_lock);
1808         pcm->opened = 0;
1809         spin_unlock_irq(&emu->reg_lock);
1810         return 0;
1811 }
1812
1813 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1814         .open =                 snd_emu10k1_fx8010_playback_open,
1815         .close =                snd_emu10k1_fx8010_playback_close,
1816         .ioctl =                snd_pcm_lib_ioctl,
1817         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1818         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1819         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1820         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1821         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1822         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1823 };
1824
1825 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device,
1826                         struct snd_pcm **rpcm)
1827 {
1828         struct snd_pcm *pcm;
1829         struct snd_kcontrol *kctl;
1830         int err;
1831
1832         if (rpcm)
1833                 *rpcm = NULL;
1834
1835         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1836                 return err;
1837
1838         pcm->private_data = emu;
1839
1840         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1841         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1842
1843         pcm->info_flags = 0;
1844         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1845         emu->pcm_efx = pcm;
1846         if (rpcm)
1847                 *rpcm = pcm;
1848
1849         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1850          * to these
1851          */
1852
1853         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1854         if (emu->audigy) {
1855                 emu->efx_voices_mask[0] = 0;
1856                 if (emu->card_capabilities->emu_model)
1857                         /* Pavel Hofman - 32 voices will be used for
1858                          * capture (write mode) -
1859                          * each bit = corresponding voice
1860                          */
1861                         emu->efx_voices_mask[1] = 0xffffffff;
1862                 else
1863                         emu->efx_voices_mask[1] = 0xffff;
1864         } else {
1865                 emu->efx_voices_mask[0] = 0xffff0000;
1866                 emu->efx_voices_mask[1] = 0;
1867         }
1868         /* For emu1010, the control has to set 32 upper bits (voices)
1869          * out of the 64 bits (voices) to true for the 16-channels capture
1870          * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1871          * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1872          * control can override this register's value.
1873          */
1874         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1875         if (!kctl)
1876                 return -ENOMEM;
1877         kctl->id.device = device;
1878         snd_ctl_add(emu->card, kctl);
1879
1880         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1881
1882         return 0;
1883 }