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