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 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                 memset(send_routing, 0, sizeof(send_routing));
 317                 send_routing[0] = 0;
 318                 send_routing[1] = 1;
 319                 send_routing[2] = 2;
 320                 send_routing[3] = 3;
 321                 memset(send_amount, 0, sizeof(send_amount));
 322         } else {
 323                 /* mono, left, right (master voice = left) */
 324                 tmp = stereo ? (master ? 1 : 2) : 0;
 325                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 326                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 327         }
 328
 329         ccis = emu10k1_ccis(stereo, w_16);
 330
 331         if (master) {
 332                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 333                 if (extra) {
 334                         start_addr += ccis;
 335                         end_addr += ccis + emu->delay_pcm_irq;
 336                 }
 337                 if (stereo && !extra) {
 338                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 339                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 340                 } else {
 341                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 342                 }
 343         }
 344
 345         /* setup routing */
 346         if (emu->audigy) {
 347                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 348                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
 349                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 350                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
 351                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 352                                       ((unsigned int)send_amount[4] << 24) |
 353                                       ((unsigned int)send_amount[5] << 16) |
 354                                       ((unsigned int)send_amount[6] << 8) |
 355                                       (unsigned int)send_amount[7]);
 356         } else
 357                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 358                                       snd_emu10k1_compose_send_routing(send_routing));
 359         /* Stop CA */
 360         /* Assumption that PT is already 0 so no harm overwriting */
 361         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 362         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 363         snd_emu10k1_ptr_write(emu, PSST, voice,
 364                         (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
 365                         (send_amount[2] << 24));
 366         if (emu->card_capabilities->emu_model)
 367                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 368         else
 369                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 370         if (extra)
 371                 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 372                               emu10k1_select_interprom(pitch_target) |
 373                               (w_16 ? 0 : CCCA_8BITSELECT));
 374         else
 375                 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 376                               emu10k1_select_interprom(pitch_target) |
 377                               (w_16 ? 0 : CCCA_8BITSELECT));
 378         /* Clear filter delay memory */
 379         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 380         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 381         /* invalidate maps */
 382         silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
 383         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 384         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 385         /* modulation envelope */
 386         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 387         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 388         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 389         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 390         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 391         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 392         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 393         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 394         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 395         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 396         /* volume envelope */
 397         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 398         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 399         /* filter envelope */
 400         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 401         /* pitch envelope */
 402         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 403
 404         spin_unlock_irqrestore(&emu->reg_lock, flags);
 405 }
 406
 407 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 408                                           struct snd_pcm_hw_params *hw_params)
 409 {
 410         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 411         struct snd_pcm_runtime *runtime = substream->runtime;
 412         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 413         size_t alloc_size;
 414         int err;
 415
 416         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 417                 return err;
 418
 419         alloc_size = params_buffer_bytes(hw_params);
 420         if (emu->iommu_workaround)
 421                 alloc_size += EMUPAGESIZE;
 422         err = snd_pcm_lib_malloc_pages(substream, alloc_size);
 423         if (err < 0)
 424                 return err;
 425         if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
 426                 runtime->dma_bytes -= EMUPAGESIZE;
 427         if (err > 0) {  /* change */
 428                 int mapped;
 429                 if (epcm->memblk != NULL)
 430                         snd_emu10k1_free_pages(emu, epcm->memblk);
 431                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 432                 epcm->start_addr = 0;
 433                 if (! epcm->memblk)
 434                         return -ENOMEM;
 435                 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 436                 if (mapped < 0)
 437                         return -ENOMEM;
 438                 epcm->start_addr = mapped << PAGE_SHIFT;
 439         }
 440         return 0;
 441 }
 442
 443 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 444 {
 445         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 446         struct snd_pcm_runtime *runtime = substream->runtime;
 447         struct snd_emu10k1_pcm *epcm;
 448
 449         if (runtime->private_data == NULL)
 450                 return 0;
 451         epcm = runtime->private_data;
 452         if (epcm->extra) {
 453                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 454                 epcm->extra = NULL;
 455         }
 456         if (epcm->voices[1]) {
 457                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 458                 epcm->voices[1] = NULL;
 459         }
 460         if (epcm->voices[0]) {
 461                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 462                 epcm->voices[0] = NULL;
 463         }
 464         if (epcm->memblk) {
 465                 snd_emu10k1_free_pages(emu, epcm->memblk);
 466                 epcm->memblk = NULL;
 467                 epcm->start_addr = 0;
 468         }
 469         snd_pcm_lib_free_pages(substream);
 470         return 0;
 471 }
 472
 473 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 474 {
 475         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 476         struct snd_pcm_runtime *runtime = substream->runtime;
 477         struct snd_emu10k1_pcm *epcm;
 478         int i;
 479
 480         if (runtime->private_data == NULL)
 481                 return 0;
 482         epcm = runtime->private_data;
 483         if (epcm->extra) {
 484                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 485                 epcm->extra = NULL;
 486         }
 487         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 488                 if (epcm->voices[i]) {
 489                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 490                         epcm->voices[i] = NULL;
 491                 }
 492         }
 493         if (epcm->memblk) {
 494                 snd_emu10k1_free_pages(emu, epcm->memblk);
 495                 epcm->memblk = NULL;
 496                 epcm->start_addr = 0;
 497         }
 498         snd_pcm_lib_free_pages(substream);
 499         return 0;
 500 }
 501
 502 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 503 {
 504         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 505         struct snd_pcm_runtime *runtime = substream->runtime;
 506         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 507         unsigned int start_addr, end_addr;
 508
 509         start_addr = epcm->start_addr;
 510         end_addr = snd_pcm_lib_period_bytes(substream);
 511         if (runtime->channels == 2) {
 512                 start_addr >>= 1;
 513                 end_addr >>= 1;
 514         }
 515         end_addr += start_addr;
 516         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 517                                    start_addr, end_addr, NULL);
 518         start_addr = epcm->start_addr;
 519         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 520         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 521                                    start_addr, end_addr,
 522                                    &emu->pcm_mixer[substream->number]);
 523         if (epcm->voices[1])
 524                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 525                                            start_addr, end_addr,
 526                                            &emu->pcm_mixer[substream->number]);
 527         return 0;
 528 }
 529
 530 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 531 {
 532         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 533         struct snd_pcm_runtime *runtime = substream->runtime;
 534         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 535         unsigned int start_addr, end_addr;
 536         unsigned int channel_size;
 537         int i;
 538
 539         start_addr = epcm->start_addr;
 540         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 541
 542         /*
 543          * the kX driver leaves some space between voices
 544          */
 545         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 546
 547         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 548                                    start_addr, start_addr + (channel_size / 2), NULL);
 549
 550         /* only difference with the master voice is we use it for the pointer */
 551         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 552                                    start_addr, start_addr + channel_size,
 553                                    &emu->efx_pcm_mixer[0]);
 554
 555         start_addr += channel_size;
 556         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 557                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 558                                            start_addr, start_addr + channel_size,
 559                                            &emu->efx_pcm_mixer[i]);
 560                 start_addr += channel_size;
 561         }
 562
 563         return 0;
 564 }
 565
 566 static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
 567 {
 568         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 569                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 570                                  SNDRV_PCM_INFO_RESUME |
 571                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 572         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 573         .rates =                SNDRV_PCM_RATE_48000,
 574         .rate_min =             48000,
 575         .rate_max =             48000,
 576         .channels_min =         NUM_EFX_PLAYBACK,
 577         .channels_max =         NUM_EFX_PLAYBACK,
 578         .buffer_bytes_max =     (64*1024),
 579         .period_bytes_min =     64,
 580         .period_bytes_max =     (64*1024),
 581         .periods_min =          2,
 582         .periods_max =          2,
 583         .fifo_size =            0,
 584 };
 585
 586 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
 587                                          struct snd_pcm_hw_params *hw_params)
 588 {
 589         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 590 }
 591
 592 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
 593 {
 594         return snd_pcm_lib_free_pages(substream);
 595 }
 596
 597 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 598 {
 599         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 600         struct snd_pcm_runtime *runtime = substream->runtime;
 601         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 602         int idx;
 603
 604         /* zeroing the buffer size will stop capture */
 605         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 606         switch (epcm->type) {
 607         case CAPTURE_AC97ADC:
 608                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 609                 break;
 610         case CAPTURE_EFX:
 611                 if (emu->audigy) {
 612                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 613                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 614                 } else
 615                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 616                 break;
 617         default:
 618                 break;
 619         }
 620         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 621         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 622         epcm->capture_bs_val = 0;
 623         for (idx = 0; idx < 31; idx++) {
 624                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 625                         epcm->capture_bs_val = idx + 1;
 626                         break;
 627                 }
 628         }
 629         if (epcm->capture_bs_val == 0) {
 630                 snd_BUG();
 631                 epcm->capture_bs_val++;
 632         }
 633         if (epcm->type == CAPTURE_AC97ADC) {
 634                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 635                 if (runtime->channels > 1)
 636                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 637                 epcm->capture_cr_val |= emu->audigy ?
 638                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 639                         snd_emu10k1_capture_rate_reg(runtime->rate);
 640         }
 641         return 0;
 642 }
 643
 644 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 645 {
 646         struct snd_pcm_runtime *runtime;
 647         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 648
 649         if (evoice == NULL)
 650                 return;
 651         runtime = evoice->epcm->substream->runtime;
 652         voice = evoice->number;
 653         stereo = (!extra && runtime->channels == 2);
 654         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 655         ccis = emu10k1_ccis(stereo, sample == 0);
 656         /* set cs to 2 * number of cache registers beside the invalidated */
 657         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 658         if (cs > 16) cs = 16;
 659         for (i = 0; i < cs; i++) {
 660                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 661                 if (stereo) {
 662                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 663                 }
 664         }
 665         /* reset cache */
 666         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 667         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 668         if (stereo) {
 669                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 670                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 671         }
 672         /* fill cache */
 673         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 674         if (stereo) {
 675                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 676         }
 677 }
 678
 679 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 680                                                int master, int extra,
 681                                                struct snd_emu10k1_pcm_mixer *mix)
 682 {
 683         struct snd_pcm_substream *substream;
 684         struct snd_pcm_runtime *runtime;
 685         unsigned int attn, vattn;
 686         unsigned int voice, tmp;
 687
 688         if (evoice == NULL)     /* skip second voice for mono */
 689                 return;
 690         substream = evoice->epcm->substream;
 691         runtime = substream->runtime;
 692         voice = evoice->number;
 693
 694         attn = extra ? 0 : 0x00ff;
 695         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 696         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 697         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 698         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 699         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 700         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 701         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 702 }
 703
 704 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 705 {
 706         struct snd_pcm_substream *substream;
 707         struct snd_pcm_runtime *runtime;
 708         unsigned int voice, pitch, pitch_target;
 709
 710         if (evoice == NULL)     /* skip second voice for mono */
 711                 return;
 712         substream = evoice->epcm->substream;
 713         runtime = substream->runtime;
 714         voice = evoice->number;
 715
 716         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 717         if (emu->card_capabilities->emu_model)
 718                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 719         else
 720                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 721         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 722         if (master || evoice->epcm->type == PLAYBACK_EFX)
 723                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 724         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 725         if (extra)
 726                 snd_emu10k1_voice_intr_enable(emu, voice);
 727 }
 728
 729 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 730 {
 731         unsigned int voice;
 732
 733         if (evoice == NULL)
 734                 return;
 735         voice = evoice->number;
 736         snd_emu10k1_voice_intr_disable(emu, voice);
 737         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 738         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 739         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 740         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 741         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 742         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 743 }
 744
 745 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 746                 struct snd_emu10k1_pcm *epcm,
 747                 struct snd_pcm_substream *substream,
 748                 struct snd_pcm_runtime *runtime)
 749 {
 750         unsigned int ptr, period_pos;
 751
 752         /* try to sychronize the current position for the interrupt
 753            source voice */
 754         period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 755         period_pos %= runtime->period_size;
 756         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 757         ptr &= ~0x00ffffff;
 758         ptr |= epcm->ccca_start_addr + period_pos;
 759         snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 760 }
 761
 762 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 763                                         int cmd)
 764 {
 765         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 766         struct snd_pcm_runtime *runtime = substream->runtime;
 767         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 768         struct snd_emu10k1_pcm_mixer *mix;
 769         int result = 0;
 770
 771         /*
 772         dev_dbg(emu->card->dev,
 773                 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 774                (int)emu, cmd, substream->ops->pointer(substream))
 775         */
 776         spin_lock(&emu->reg_lock);
 777         switch (cmd) {
 778         case SNDRV_PCM_TRIGGER_START:
 779                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 780                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 781                 /* fall through */
 782         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 783         case SNDRV_PCM_TRIGGER_RESUME:
 784                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 785                         snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 786                 mix = &emu->pcm_mixer[substream->number];
 787                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 788                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 789                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 790                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 791                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 792                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 793                 epcm->running = 1;
 794                 break;
 795         case SNDRV_PCM_TRIGGER_STOP:
 796         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 797         case SNDRV_PCM_TRIGGER_SUSPEND:
 798                 epcm->running = 0;
 799                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 800                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 801                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 802                 break;
 803         default:
 804                 result = -EINVAL;
 805                 break;
 806         }
 807         spin_unlock(&emu->reg_lock);
 808         return result;
 809 }
 810
 811 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 812                                        int cmd)
 813 {
 814         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 815         struct snd_pcm_runtime *runtime = substream->runtime;
 816         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 817         int result = 0;
 818
 819         spin_lock(&emu->reg_lock);
 820         switch (cmd) {
 821         case SNDRV_PCM_TRIGGER_START:
 822         case SNDRV_PCM_TRIGGER_RESUME:
 823                 /* hmm this should cause full and half full interrupt to be raised? */
 824                 outl(epcm->capture_ipr, emu->port + IPR);
 825                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 826                 /*
 827                 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
 828                        epcm->adccr, epcm->adcbs);
 829                 */
 830                 switch (epcm->type) {
 831                 case CAPTURE_AC97ADC:
 832                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 833                         break;
 834                 case CAPTURE_EFX:
 835                         if (emu->audigy) {
 836                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 837                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 838                                 dev_dbg(emu->card->dev,
 839                                         "cr_val=0x%x, cr_val2=0x%x\n",
 840                                         epcm->capture_cr_val,
 841                                         epcm->capture_cr_val2);
 842                         } else
 843                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 844                         break;
 845                 default:
 846                         break;
 847                 }
 848                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 849                 epcm->running = 1;
 850                 epcm->first_ptr = 1;
 851                 break;
 852         case SNDRV_PCM_TRIGGER_STOP:
 853         case SNDRV_PCM_TRIGGER_SUSPEND:
 854                 epcm->running = 0;
 855                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 856                 outl(epcm->capture_ipr, emu->port + IPR);
 857                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 858                 switch (epcm->type) {
 859                 case CAPTURE_AC97ADC:
 860                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 861                         break;
 862                 case CAPTURE_EFX:
 863                         if (emu->audigy) {
 864                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 865                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 866                         } else
 867                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 868                         break;
 869                 default:
 870                         break;
 871                 }
 872                 break;
 873         default:
 874                 result = -EINVAL;
 875         }
 876         spin_unlock(&emu->reg_lock);
 877         return result;
 878 }
 879
 880 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 881 {
 882         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 883         struct snd_pcm_runtime *runtime = substream->runtime;
 884         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 885         unsigned int ptr;
 886
 887         if (!epcm->running)
 888                 return 0;
 889         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 890 #if 0   /* Perex's code */
 891         ptr += runtime->buffer_size;
 892         ptr -= epcm->ccca_start_addr;
 893         ptr %= runtime->buffer_size;
 894 #else   /* EMU10K1 Open Source code from Creative */
 895         if (ptr < epcm->ccca_start_addr)
 896                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 897         else {
 898                 ptr -= epcm->ccca_start_addr;
 899                 if (ptr >= runtime->buffer_size)
 900                         ptr -= runtime->buffer_size;
 901         }
 902 #endif
 903         /*
 904         dev_dbg(emu->card->dev,
 905                "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 906                (long)ptr, (long)runtime->buffer_size,
 907                (long)runtime->period_size);
 908         */
 909         return ptr;
 910 }
 911
 912
 913 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 914                                         int cmd)
 915 {
 916         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 917         struct snd_pcm_runtime *runtime = substream->runtime;
 918         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 919         int i;
 920         int result = 0;
 921
 922         spin_lock(&emu->reg_lock);
 923         switch (cmd) {
 924         case SNDRV_PCM_TRIGGER_START:
 925                 /* prepare voices */
 926                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 927                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 928                 }
 929                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 930
 931                 /* fall through */
 932         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 933         case SNDRV_PCM_TRIGGER_RESUME:
 934                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 935                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 936                                                    &emu->efx_pcm_mixer[0]);
 937                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 938                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 939                                                            &emu->efx_pcm_mixer[i]);
 940                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 941                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 942                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 943                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 944                 epcm->running = 1;
 945                 break;
 946         case SNDRV_PCM_TRIGGER_SUSPEND:
 947         case SNDRV_PCM_TRIGGER_STOP:
 948         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 949                 epcm->running = 0;
 950                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 951                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 952                 }
 953                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 954                 break;
 955         default:
 956                 result = -EINVAL;
 957                 break;
 958         }
 959         spin_unlock(&emu->reg_lock);
 960         return result;
 961 }
 962
 963
 964 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 965 {
 966         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 967         struct snd_pcm_runtime *runtime = substream->runtime;
 968         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 969         unsigned int ptr;
 970
 971         if (!epcm->running)
 972                 return 0;
 973         if (epcm->first_ptr) {
 974                 udelay(50);     /* hack, it takes awhile until capture is started */
 975                 epcm->first_ptr = 0;
 976         }
 977         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 978         return bytes_to_frames(runtime, ptr);
 979 }
 980
 981 /*
 982  *  Playback support device description
 983  */
 984
 985 static const struct snd_pcm_hardware snd_emu10k1_playback =
 986 {
 987         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 988                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 989                                  SNDRV_PCM_INFO_RESUME |
 990                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 991         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 992         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 993         .rate_min =             4000,
 994         .rate_max =             96000,
 995         .channels_min =         1,
 996         .channels_max =         2,
 997         .buffer_bytes_max =     (128*1024),
 998         .period_bytes_min =     64,
 999         .period_bytes_max =     (128*1024),
1000         .periods_min =          1,
1001         .periods_max =          1024,
1002         .fifo_size =            0,
1003 };
1004
1005 /*
1006  *  Capture support device description
1007  */
1008
1009 static const struct snd_pcm_hardware snd_emu10k1_capture =
1010 {
1011         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1012                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1013                                  SNDRV_PCM_INFO_RESUME |
1014                                  SNDRV_PCM_INFO_MMAP_VALID),
1015         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1016         .rates =                SNDRV_PCM_RATE_8000_48000,
1017         .rate_min =             8000,
1018         .rate_max =             48000,
1019         .channels_min =         1,
1020         .channels_max =         2,
1021         .buffer_bytes_max =     (64*1024),
1022         .period_bytes_min =     384,
1023         .period_bytes_max =     (64*1024),
1024         .periods_min =          2,
1025         .periods_max =          2,
1026         .fifo_size =            0,
1027 };
1028
1029 static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
1030 {
1031         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1032                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1033                                  SNDRV_PCM_INFO_RESUME |
1034                                  SNDRV_PCM_INFO_MMAP_VALID),
1035         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1036         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1037                                  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1038                                  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1039         .rate_min =             44100,
1040         .rate_max =             192000,
1041         .channels_min =         8,
1042         .channels_max =         8,
1043         .buffer_bytes_max =     (64*1024),
1044         .period_bytes_min =     384,
1045         .period_bytes_max =     (64*1024),
1046         .periods_min =          2,
1047         .periods_max =          2,
1048         .fifo_size =            0,
1049 };
1050
1051 /*
1052  *
1053  */
1054
1055 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1056 {
1057         struct snd_ctl_elem_id id;
1058
1059         if (! kctl)
1060                 return;
1061         if (activate)
1062                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1063         else
1064                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1065         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1066                        SNDRV_CTL_EVENT_MASK_INFO,
1067                        snd_ctl_build_ioff(&id, kctl, idx));
1068 }
1069
1070 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1071 {
1072         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1073         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1074         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1075 }
1076
1077 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1078 {
1079         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1080         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1081         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1082 }
1083
1084 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1085 {
1086         kfree(runtime->private_data);
1087 }
1088
1089 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1090 {
1091         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1092         struct snd_emu10k1_pcm_mixer *mix;
1093         int i;
1094
1095         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1096                 mix = &emu->efx_pcm_mixer[i];
1097                 mix->epcm = NULL;
1098                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1099         }
1100         return 0;
1101 }
1102
1103 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1104 {
1105         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1106         struct snd_emu10k1_pcm *epcm;
1107         struct snd_emu10k1_pcm_mixer *mix;
1108         struct snd_pcm_runtime *runtime = substream->runtime;
1109         int i;
1110
1111         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1112         if (epcm == NULL)
1113                 return -ENOMEM;
1114         epcm->emu = emu;
1115         epcm->type = PLAYBACK_EFX;
1116         epcm->substream = substream;
1117
1118         emu->pcm_playback_efx_substream = substream;
1119
1120         runtime->private_data = epcm;
1121         runtime->private_free = snd_emu10k1_pcm_free_substream;
1122         runtime->hw = snd_emu10k1_efx_playback;
1123
1124         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1125                 mix = &emu->efx_pcm_mixer[i];
1126                 mix->send_routing[0][0] = i;
1127                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1128                 mix->send_volume[0][0] = 255;
1129                 mix->attn[0] = 0xffff;
1130                 mix->epcm = epcm;
1131                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1132         }
1133         return 0;
1134 }
1135
1136 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1137 {
1138         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1139         struct snd_emu10k1_pcm *epcm;
1140         struct snd_emu10k1_pcm_mixer *mix;
1141         struct snd_pcm_runtime *runtime = substream->runtime;
1142         int i, err, sample_rate;
1143
1144         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1145         if (epcm == NULL)
1146                 return -ENOMEM;
1147         epcm->emu = emu;
1148         epcm->type = PLAYBACK_EMUVOICE;
1149         epcm->substream = substream;
1150         runtime->private_data = epcm;
1151         runtime->private_free = snd_emu10k1_pcm_free_substream;
1152         runtime->hw = snd_emu10k1_playback;
1153         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1154                 kfree(epcm);
1155                 return err;
1156         }
1157         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1158                 kfree(epcm);
1159                 return err;
1160         }
1161         if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1162                 sample_rate = 44100;
1163         else
1164                 sample_rate = 48000;
1165         err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1166         if (err < 0) {
1167                 kfree(epcm);
1168                 return err;
1169         }
1170         mix = &emu->pcm_mixer[substream->number];
1171         for (i = 0; i < 4; i++)
1172                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1173         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1174         mix->send_volume[0][0] = mix->send_volume[0][1] =
1175         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1176         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1177         mix->epcm = epcm;
1178         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1179         return 0;
1180 }
1181
1182 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1183 {
1184         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1185         struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1186
1187         mix->epcm = NULL;
1188         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1189         return 0;
1190 }
1191
1192 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1193 {
1194         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1195         struct snd_pcm_runtime *runtime = substream->runtime;
1196         struct snd_emu10k1_pcm *epcm;
1197
1198         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1199         if (epcm == NULL)
1200                 return -ENOMEM;
1201         epcm->emu = emu;
1202         epcm->type = CAPTURE_AC97ADC;
1203         epcm->substream = substream;
1204         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1205         epcm->capture_inte = INTE_ADCBUFENABLE;
1206         epcm->capture_ba_reg = ADCBA;
1207         epcm->capture_bs_reg = ADCBS;
1208         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1209         runtime->private_data = epcm;
1210         runtime->private_free = snd_emu10k1_pcm_free_substream;
1211         runtime->hw = snd_emu10k1_capture;
1212         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1213         emu->pcm_capture_substream = substream;
1214         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1215         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1216         return 0;
1217 }
1218
1219 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1220 {
1221         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1222
1223         emu->capture_interrupt = NULL;
1224         emu->pcm_capture_substream = NULL;
1225         return 0;
1226 }
1227
1228 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1229 {
1230         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1231         struct snd_emu10k1_pcm *epcm;
1232         struct snd_pcm_runtime *runtime = substream->runtime;
1233
1234         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1235         if (epcm == NULL)
1236                 return -ENOMEM;
1237         epcm->emu = emu;
1238         epcm->type = CAPTURE_AC97MIC;
1239         epcm->substream = substream;
1240         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1241         epcm->capture_inte = INTE_MICBUFENABLE;
1242         epcm->capture_ba_reg = MICBA;
1243         epcm->capture_bs_reg = MICBS;
1244         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1245         substream->runtime->private_data = epcm;
1246         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1247         runtime->hw = snd_emu10k1_capture;
1248         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1249         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1250         runtime->hw.channels_min = 1;
1251         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1252         emu->pcm_capture_mic_substream = substream;
1253         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1254         return 0;
1255 }
1256
1257 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1258 {
1259         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1260
1261         emu->capture_interrupt = NULL;
1262         emu->pcm_capture_mic_substream = NULL;
1263         return 0;
1264 }
1265
1266 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1267 {
1268         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1269         struct snd_emu10k1_pcm *epcm;
1270         struct snd_pcm_runtime *runtime = substream->runtime;
1271         int nefx = emu->audigy ? 64 : 32;
1272         int idx;
1273
1274         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1275         if (epcm == NULL)
1276                 return -ENOMEM;
1277         epcm->emu = emu;
1278         epcm->type = CAPTURE_EFX;
1279         epcm->substream = substream;
1280         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1281         epcm->capture_inte = INTE_EFXBUFENABLE;
1282         epcm->capture_ba_reg = FXBA;
1283         epcm->capture_bs_reg = FXBS;
1284         epcm->capture_idx_reg = FXIDX;
1285         substream->runtime->private_data = epcm;
1286         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1287         runtime->hw = snd_emu10k1_capture_efx;
1288         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1289         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1290         spin_lock_irq(&emu->reg_lock);
1291         if (emu->card_capabilities->emu_model) {
1292                 /*  Nb. of channels has been increased to 16 */
1293                 /* TODO
1294                  * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1295                  * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1296                  * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1297                  * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1298                  * rate_min = 44100,
1299                  * rate_max = 192000,
1300                  * channels_min = 16,
1301                  * channels_max = 16,
1302                  * Need to add mixer control to fix sample rate
1303                  *
1304                  * There are 32 mono channels of 16bits each.
1305                  * 24bit Audio uses 2x channels over 16bit
1306                  * 96kHz uses 2x channels over 48kHz
1307                  * 192kHz uses 4x channels over 48kHz
1308                  * So, for 48kHz 24bit, one has 16 channels
1309                  * for 96kHz 24bit, one has 8 channels
1310                  * for 192kHz 24bit, one has 4 channels
1311                  *
1312                  */
1313 #if 1
1314                 switch (emu->emu1010.internal_clock) {
1315                 case 0:
1316                         /* For 44.1kHz */
1317                         runtime->hw.rates = SNDRV_PCM_RATE_44100;
1318                         runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1319                         runtime->hw.channels_min =
1320                                 runtime->hw.channels_max = 16;
1321                         break;
1322                 case 1:
1323                         /* For 48kHz */
1324                         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1325                         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1326                         runtime->hw.channels_min =
1327                                 runtime->hw.channels_max = 16;
1328                         break;
1329                 }
1330 #endif
1331 #if 0
1332                 /* For 96kHz */
1333                 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1334                 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1335                 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1336 #endif
1337 #if 0
1338                 /* For 192kHz */
1339                 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1340                 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1341                 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1342 #endif
1343                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1344                 /* efx_voices_mask[0] is expected to be zero
1345                  * efx_voices_mask[1] is expected to have 32bits set
1346                  */
1347         } else {
1348                 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1349                 for (idx = 0; idx < nefx; idx++) {
1350                         if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1351                                 runtime->hw.channels_min++;
1352                                 runtime->hw.channels_max++;
1353                         }
1354                 }
1355         }
1356         epcm->capture_cr_val = emu->efx_voices_mask[0];
1357         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1358         spin_unlock_irq(&emu->reg_lock);
1359         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1360         emu->pcm_capture_efx_substream = substream;
1361         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1362         return 0;
1363 }
1364
1365 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1366 {
1367         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1368
1369         emu->capture_interrupt = NULL;
1370         emu->pcm_capture_efx_substream = NULL;
1371         return 0;
1372 }
1373
1374 static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
1375         .open =                 snd_emu10k1_playback_open,
1376         .close =                snd_emu10k1_playback_close,
1377         .ioctl =                snd_pcm_lib_ioctl,
1378         .hw_params =            snd_emu10k1_playback_hw_params,
1379         .hw_free =              snd_emu10k1_playback_hw_free,
1380         .prepare =              snd_emu10k1_playback_prepare,
1381         .trigger =              snd_emu10k1_playback_trigger,
1382         .pointer =              snd_emu10k1_playback_pointer,
1383         .page =                 snd_pcm_sgbuf_ops_page,
1384 };
1385
1386 static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
1387         .open =                 snd_emu10k1_capture_open,
1388         .close =                snd_emu10k1_capture_close,
1389         .ioctl =                snd_pcm_lib_ioctl,
1390         .hw_params =            snd_emu10k1_capture_hw_params,
1391         .hw_free =              snd_emu10k1_capture_hw_free,
1392         .prepare =              snd_emu10k1_capture_prepare,
1393         .trigger =              snd_emu10k1_capture_trigger,
1394         .pointer =              snd_emu10k1_capture_pointer,
1395 };
1396
1397 /* EFX playback */
1398 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1399         .open =                 snd_emu10k1_efx_playback_open,
1400         .close =                snd_emu10k1_efx_playback_close,
1401         .ioctl =                snd_pcm_lib_ioctl,
1402         .hw_params =            snd_emu10k1_playback_hw_params,
1403         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1404         .prepare =              snd_emu10k1_efx_playback_prepare,
1405         .trigger =              snd_emu10k1_efx_playback_trigger,
1406         .pointer =              snd_emu10k1_efx_playback_pointer,
1407         .page =                 snd_pcm_sgbuf_ops_page,
1408 };
1409
1410 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
1411 {
1412         struct snd_pcm *pcm;
1413         struct snd_pcm_substream *substream;
1414         int err;
1415
1416         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1417                 return err;
1418
1419         pcm->private_data = emu;
1420
1421         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1422         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1423
1424         pcm->info_flags = 0;
1425         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1426         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1427         emu->pcm = pcm;
1428
1429         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1430                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1431                         return err;
1432
1433         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1434                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1435
1436         return 0;
1437 }
1438
1439 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
1440 {
1441         struct snd_pcm *pcm;
1442         struct snd_pcm_substream *substream;
1443         int err;
1444
1445         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1446                 return err;
1447
1448         pcm->private_data = emu;
1449
1450         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1451
1452         pcm->info_flags = 0;
1453         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1454         strcpy(pcm->name, "Multichannel Playback");
1455         emu->pcm_multi = pcm;
1456
1457         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1458                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1459                         return err;
1460
1461         return 0;
1462 }
1463
1464
1465 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1466         .open =                 snd_emu10k1_capture_mic_open,
1467         .close =                snd_emu10k1_capture_mic_close,
1468         .ioctl =                snd_pcm_lib_ioctl,
1469         .hw_params =            snd_emu10k1_capture_hw_params,
1470         .hw_free =              snd_emu10k1_capture_hw_free,
1471         .prepare =              snd_emu10k1_capture_prepare,
1472         .trigger =              snd_emu10k1_capture_trigger,
1473         .pointer =              snd_emu10k1_capture_pointer,
1474 };
1475
1476 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
1477 {
1478         struct snd_pcm *pcm;
1479         int err;
1480
1481         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1482                 return err;
1483
1484         pcm->private_data = emu;
1485
1486         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1487
1488         pcm->info_flags = 0;
1489         strcpy(pcm->name, "Mic Capture");
1490         emu->pcm_mic = pcm;
1491
1492         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1493
1494         return 0;
1495 }
1496
1497 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1498 {
1499         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1500         int nefx = emu->audigy ? 64 : 32;
1501         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1502         uinfo->count = nefx;
1503         uinfo->value.integer.min = 0;
1504         uinfo->value.integer.max = 1;
1505         return 0;
1506 }
1507
1508 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1509 {
1510         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1511         int nefx = emu->audigy ? 64 : 32;
1512         int idx;
1513
1514         spin_lock_irq(&emu->reg_lock);
1515         for (idx = 0; idx < nefx; idx++)
1516                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1517         spin_unlock_irq(&emu->reg_lock);
1518         return 0;
1519 }
1520
1521 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1522 {
1523         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1524         unsigned int nval[2], bits;
1525         int nefx = emu->audigy ? 64 : 32;
1526         int nefxb = emu->audigy ? 7 : 6;
1527         int change, idx;
1528
1529         nval[0] = nval[1] = 0;
1530         for (idx = 0, bits = 0; idx < nefx; idx++)
1531                 if (ucontrol->value.integer.value[idx]) {
1532                         nval[idx / 32] |= 1 << (idx % 32);
1533                         bits++;
1534                 }
1535
1536         for (idx = 0; idx < nefxb; idx++)
1537                 if (1 << idx == bits)
1538                         break;
1539
1540         if (idx >= nefxb)
1541                 return -EINVAL;
1542
1543         spin_lock_irq(&emu->reg_lock);
1544         change = (nval[0] != emu->efx_voices_mask[0]) ||
1545                 (nval[1] != emu->efx_voices_mask[1]);
1546         emu->efx_voices_mask[0] = nval[0];
1547         emu->efx_voices_mask[1] = nval[1];
1548         spin_unlock_irq(&emu->reg_lock);
1549         return change;
1550 }
1551
1552 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1553         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1554         .name = "Captured FX8010 Outputs",
1555         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1556         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1557         .put = snd_emu10k1_pcm_efx_voices_mask_put
1558 };
1559
1560 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1561         .open =                 snd_emu10k1_capture_efx_open,
1562         .close =                snd_emu10k1_capture_efx_close,
1563         .ioctl =                snd_pcm_lib_ioctl,
1564         .hw_params =            snd_emu10k1_capture_hw_params,
1565         .hw_free =              snd_emu10k1_capture_hw_free,
1566         .prepare =              snd_emu10k1_capture_prepare,
1567         .trigger =              snd_emu10k1_capture_trigger,
1568         .pointer =              snd_emu10k1_capture_pointer,
1569 };
1570
1571
1572 /* EFX playback */
1573
1574 #define INITIAL_TRAM_SHIFT     14
1575 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1576
1577 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1578 {
1579         struct snd_pcm_substream *substream = private_data;
1580         snd_pcm_period_elapsed(substream);
1581 }
1582
1583 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1584                                                    unsigned short *dst_right,
1585                                                    unsigned short *src,
1586                                                    unsigned int count,
1587                                                    unsigned int tram_shift)
1588 {
1589         /*
1590         dev_dbg(emu->card->dev,
1591                 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1592                "src = 0x%p, count = 0x%x\n",
1593                dst_left, dst_right, src, count);
1594         */
1595         if ((tram_shift & 1) == 0) {
1596                 while (count--) {
1597                         *dst_left-- = *src++;
1598                         *dst_right-- = *src++;
1599                 }
1600         } else {
1601                 while (count--) {
1602                         *dst_right-- = *src++;
1603                         *dst_left-- = *src++;
1604                 }
1605         }
1606 }
1607
1608 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1609                                  struct snd_pcm_indirect *rec, size_t bytes)
1610 {
1611         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1612         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1613         unsigned int tram_size = pcm->buffer_size;
1614         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1615         unsigned int frames = bytes >> 2, count;
1616         unsigned int tram_pos = pcm->tram_pos;
1617         unsigned int tram_shift = pcm->tram_shift;
1618
1619         while (frames > tram_pos) {
1620                 count = tram_pos + 1;
1621                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1622                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1623                                                        src, count, tram_shift);
1624                 src += count * 2;
1625                 frames -= count;
1626                 tram_pos = (tram_size / 2) - 1;
1627                 tram_shift++;
1628         }
1629         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1630                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1631                                                src, frames, tram_shift);
1632         tram_pos -= frames;
1633         pcm->tram_pos = tram_pos;
1634         pcm->tram_shift = tram_shift;
1635 }
1636
1637 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1638 {
1639         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1640         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1641
1642         return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
1643                                                   fx8010_pb_trans_copy);
1644 }
1645
1646 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1647                                                  struct snd_pcm_hw_params *hw_params)
1648 {
1649         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1650 }
1651
1652 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1653 {
1654         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1655         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1656         unsigned int i;
1657
1658         for (i = 0; i < pcm->channels; i++)
1659                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1660         snd_pcm_lib_free_pages(substream);
1661         return 0;
1662 }
1663
1664 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1665 {
1666         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1667         struct snd_pcm_runtime *runtime = substream->runtime;
1668         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1669         unsigned int i;
1670
1671         /*
1672         dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1673                "buffer_size = 0x%x (0x%x)\n",
1674                emu->fx8010.etram_pages, runtime->dma_area,
1675                runtime->buffer_size, runtime->buffer_size << 2);
1676         */
1677         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1678         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1679         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1680         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1681         pcm->tram_shift = 0;
1682         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1683         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1684         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1685         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1686         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1687         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1688         for (i = 0; i < pcm->channels; i++)
1689                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1690         return 0;
1691 }
1692
1693 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1694 {
1695         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1696         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1697         int result = 0;
1698
1699         spin_lock(&emu->reg_lock);
1700         switch (cmd) {
1701         case SNDRV_PCM_TRIGGER_START:
1702                 /* follow thru */
1703         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1704         case SNDRV_PCM_TRIGGER_RESUME:
1705 #ifdef EMU10K1_SET_AC3_IEC958
1706         {
1707                 int i;
1708                 for (i = 0; i < 3; i++) {
1709                         unsigned int bits;
1710                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1711                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1712                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1713                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1714                 }
1715         }
1716 #endif
1717                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1718                 if (result < 0)
1719                         goto __err;
1720                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1721                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1722                 break;
1723         case SNDRV_PCM_TRIGGER_STOP:
1724         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1725         case SNDRV_PCM_TRIGGER_SUSPEND:
1726                 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq);
1727                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1728                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1729                 pcm->tram_shift = 0;
1730                 break;
1731         default:
1732                 result = -EINVAL;
1733                 break;
1734         }
1735       __err:
1736         spin_unlock(&emu->reg_lock);
1737         return result;
1738 }
1739
1740 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1741 {
1742         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1743         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1744         size_t ptr; /* byte pointer */
1745
1746         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1747                 return 0;
1748         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1749         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1750 }
1751
1752 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1753 {
1754         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1755                                  SNDRV_PCM_INFO_RESUME |
1756                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1757         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1758         .rates =                SNDRV_PCM_RATE_48000,
1759         .rate_min =             48000,
1760         .rate_max =             48000,
1761         .channels_min =         1,
1762         .channels_max =         1,
1763         .buffer_bytes_max =     (128*1024),
1764         .period_bytes_min =     1024,
1765         .period_bytes_max =     (128*1024),
1766         .periods_min =          2,
1767         .periods_max =          1024,
1768         .fifo_size =            0,
1769 };
1770
1771 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1772 {
1773         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1774         struct snd_pcm_runtime *runtime = substream->runtime;
1775         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1776
1777         runtime->hw = snd_emu10k1_fx8010_playback;
1778         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1779         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1780         spin_lock_irq(&emu->reg_lock);
1781         if (pcm->valid == 0) {
1782                 spin_unlock_irq(&emu->reg_lock);
1783                 return -ENODEV;
1784         }
1785         pcm->opened = 1;
1786         spin_unlock_irq(&emu->reg_lock);
1787         return 0;
1788 }
1789
1790 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1791 {
1792         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1793         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1794
1795         spin_lock_irq(&emu->reg_lock);
1796         pcm->opened = 0;
1797         spin_unlock_irq(&emu->reg_lock);
1798         return 0;
1799 }
1800
1801 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1802         .open =                 snd_emu10k1_fx8010_playback_open,
1803         .close =                snd_emu10k1_fx8010_playback_close,
1804         .ioctl =                snd_pcm_lib_ioctl,
1805         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1806         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1807         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1808         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1809         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1810         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1811 };
1812
1813 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
1814 {
1815         struct snd_pcm *pcm;
1816         struct snd_kcontrol *kctl;
1817         int err;
1818
1819         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1820                 return err;
1821
1822         pcm->private_data = emu;
1823
1824         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1825         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1826
1827         pcm->info_flags = 0;
1828         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1829         emu->pcm_efx = pcm;
1830
1831         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1832          * to these
1833          */
1834
1835         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1836         if (emu->audigy) {
1837                 emu->efx_voices_mask[0] = 0;
1838                 if (emu->card_capabilities->emu_model)
1839                         /* Pavel Hofman - 32 voices will be used for
1840                          * capture (write mode) -
1841                          * each bit = corresponding voice
1842                          */
1843                         emu->efx_voices_mask[1] = 0xffffffff;
1844                 else
1845                         emu->efx_voices_mask[1] = 0xffff;
1846         } else {
1847                 emu->efx_voices_mask[0] = 0xffff0000;
1848                 emu->efx_voices_mask[1] = 0;
1849         }
1850         /* For emu1010, the control has to set 32 upper bits (voices)
1851          * out of the 64 bits (voices) to true for the 16-channels capture
1852          * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1853          * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1854          * control can override this register's value.
1855          */
1856         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1857         if (!kctl)
1858                 return -ENOMEM;
1859         kctl->id.device = device;
1860         err = snd_ctl_add(emu->card, kctl);
1861         if (err < 0)
1862                 return err;
1863
1864         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1865
1866         return 0;
1867 }