sound/pci/emu10k1/emupcm.c

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