git.oblomov.eu Git - linux-2.6/blob - 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(KERN_DEBUG "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                         /*
 150                         printk(KERN_DEBUG "pcm_channel_alloc: "
 151                                "failed extra: voices=%d, frame=%d\n",
 152                                voices, frame);
 153                         */
 154                         for (i = 0; i < voices; i++) {
 155                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 156                                 epcm->voices[i] = NULL;
 157                         }
 158                         return err;
 159                 }
 160                 epcm->extra->epcm = epcm;
 161                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 162         }
 163         return 0;
 164 }
 165
 166 static unsigned int capture_period_sizes[31] = {
 167         384,    448,    512,    640,
 168         384*2,  448*2,  512*2,  640*2,
 169         384*4,  448*4,  512*4,  640*4,
 170         384*8,  448*8,  512*8,  640*8,
 171         384*16, 448*16, 512*16, 640*16,
 172         384*32, 448*32, 512*32, 640*32,
 173         384*64, 448*64, 512*64, 640*64,
 174         384*128,448*128,512*128
 175 };
 176
 177 static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
 178         .count = 31,
 179         .list = capture_period_sizes,
 180         .mask = 0
 181 };
 182
 183 static unsigned int capture_rates[8] = {
 184         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 185 };
 186
 187 static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
 188         .count = 8,
 189         .list = capture_rates,
 190         .mask = 0
 191 };
 192
 193 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 194 {
 195         switch (rate) {
 196         case 8000:      return ADCCR_SAMPLERATE_8;
 197         case 11025:     return ADCCR_SAMPLERATE_11;
 198         case 16000:     return ADCCR_SAMPLERATE_16;
 199         case 22050:     return ADCCR_SAMPLERATE_22;
 200         case 24000:     return ADCCR_SAMPLERATE_24;
 201         case 32000:     return ADCCR_SAMPLERATE_32;
 202         case 44100:     return ADCCR_SAMPLERATE_44;
 203         case 48000:     return ADCCR_SAMPLERATE_48;
 204         default:
 205                         snd_BUG();
 206                         return ADCCR_SAMPLERATE_8;
 207         }
 208 }
 209
 210 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 211 {
 212         switch (rate) {
 213         case 8000:      return A_ADCCR_SAMPLERATE_8;
 214         case 11025:     return A_ADCCR_SAMPLERATE_11;
 215         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 216         case 16000:     return ADCCR_SAMPLERATE_16;
 217         case 22050:     return ADCCR_SAMPLERATE_22;
 218         case 24000:     return ADCCR_SAMPLERATE_24;
 219         case 32000:     return ADCCR_SAMPLERATE_32;
 220         case 44100:     return ADCCR_SAMPLERATE_44;
 221         case 48000:     return ADCCR_SAMPLERATE_48;
 222         default:
 223                         snd_BUG();
 224                         return A_ADCCR_SAMPLERATE_8;
 225         }
 226 }
 227
 228 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 229 {
 230         unsigned int pitch_target;
 231
 232         pitch_target = (rate << 8) / 375;
 233         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 234         return pitch_target;
 235 }
 236
 237 #define PITCH_48000 0x00004000
 238 #define PITCH_96000 0x00008000
 239 #define PITCH_85000 0x00007155
 240 #define PITCH_80726 0x00006ba2
 241 #define PITCH_67882 0x00005a82
 242 #define PITCH_57081 0x00004c1c
 243
 244 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 245 {
 246         if (pitch_target == PITCH_48000)
 247                 return CCCA_INTERPROM_0;
 248         else if (pitch_target < PITCH_48000)
 249                 return CCCA_INTERPROM_1;
 250         else if (pitch_target >= PITCH_96000)
 251                 return CCCA_INTERPROM_0;
 252         else if (pitch_target >= PITCH_85000)
 253                 return CCCA_INTERPROM_6;
 254         else if (pitch_target >= PITCH_80726)
 255                 return CCCA_INTERPROM_5;
 256         else if (pitch_target >= PITCH_67882)
 257                 return CCCA_INTERPROM_4;
 258         else if (pitch_target >= PITCH_57081)
 259                 return CCCA_INTERPROM_3;
 260         else
 261                 return CCCA_INTERPROM_2;
 262 }
 263
 264 /*
 265  * calculate cache invalidate size
 266  *
 267  * stereo: channel is stereo
 268  * w_16: using 16bit samples
 269  *
 270  * returns: cache invalidate size in samples
 271  */
 272 static inline int emu10k1_ccis(int stereo, int w_16)
 273 {
 274         if (w_16) {
 275                 return stereo ? 24 : 26;
 276         } else {
 277                 return stereo ? 24*2 : 26*2;
 278         }
 279 }
 280
 281 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
 282                                        int master, int extra,
 283                                        struct snd_emu10k1_voice *evoice,
 284                                        unsigned int start_addr,
 285                                        unsigned int end_addr,
 286                                        struct snd_emu10k1_pcm_mixer *mix)
 287 {
 288         struct snd_pcm_substream *substream = evoice->epcm->substream;
 289         struct snd_pcm_runtime *runtime = substream->runtime;
 290         unsigned int silent_page, tmp;
 291         int voice, stereo, w_16;
 292         unsigned char attn, send_amount[8];
 293         unsigned char send_routing[8];
 294         unsigned long flags;
 295         unsigned int pitch_target;
 296         unsigned int ccis;
 297
 298         voice = evoice->number;
 299         stereo = runtime->channels == 2;
 300         w_16 = snd_pcm_format_width(runtime->format) == 16;
 301
 302         if (!extra && stereo) {
 303                 start_addr >>= 1;
 304                 end_addr >>= 1;
 305         }
 306         if (w_16) {
 307                 start_addr >>= 1;
 308                 end_addr >>= 1;
 309         }
 310
 311         spin_lock_irqsave(&emu->reg_lock, flags);
 312
 313         /* volume parameters */
 314         if (extra) {
 315                 attn = 0;
 316                 memset(send_routing, 0, sizeof(send_routing));
 317                 send_routing[0] = 0;
 318                 send_routing[1] = 1;
 319                 send_routing[2] = 2;
 320                 send_routing[3] = 3;
 321                 memset(send_amount, 0, sizeof(send_amount));
 322         } else {
 323                 /* mono, left, right (master voice = left) */
 324                 tmp = stereo ? (master ? 1 : 2) : 0;
 325                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 326                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 327         }
 328
 329         ccis = emu10k1_ccis(stereo, w_16);
 330
 331         if (master) {
 332                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 333                 if (extra) {
 334                         start_addr += ccis;
 335                         end_addr += ccis;
 336                 }
 337                 if (stereo && !extra) {
 338                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 339                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 340                 } else {
 341                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 342                 }
 343         }
 344
 345         /* setup routing */
 346         if (emu->audigy) {
 347                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 348                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
 349                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 350                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
 351                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 352                                       ((unsigned int)send_amount[4] << 24) |
 353                                       ((unsigned int)send_amount[5] << 16) |
 354                                       ((unsigned int)send_amount[6] << 8) |
 355                                       (unsigned int)send_amount[7]);
 356         } else
 357                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 358                                       snd_emu10k1_compose_send_routing(send_routing));
 359         /* Stop CA */
 360         /* Assumption that PT is already 0 so no harm overwriting */
 361         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 362         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 363         snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
 364         if (emu->card_capabilities->emu_model)
 365                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 366         else
 367                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 368         if (extra)
 369                 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 370                               emu10k1_select_interprom(pitch_target) |
 371                               (w_16 ? 0 : CCCA_8BITSELECT));
 372         else
 373                 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 374                               emu10k1_select_interprom(pitch_target) |
 375                               (w_16 ? 0 : CCCA_8BITSELECT));
 376         /* Clear filter delay memory */
 377         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 378         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 379         /* invalidate maps */
 380         silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
 381         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 382         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 383         /* modulation envelope */
 384         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 385         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 386         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 387         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 388         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 389         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 390         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 391         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 392         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 393         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 394         /* volume envelope */
 395         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 396         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 397         /* filter envelope */
 398         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 399         /* pitch envelope */
 400         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 401
 402         spin_unlock_irqrestore(&emu->reg_lock, flags);
 403 }
 404
 405 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 406                                           struct snd_pcm_hw_params *hw_params)
 407 {
 408         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 409         struct snd_pcm_runtime *runtime = substream->runtime;
 410         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 411         int err;
 412
 413         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 414                 return err;
 415         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
 416                 return err;
 417         if (err > 0) {  /* change */
 418                 int mapped;
 419                 if (epcm->memblk != NULL)
 420                         snd_emu10k1_free_pages(emu, epcm->memblk);
 421                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 422                 epcm->start_addr = 0;
 423                 if (! epcm->memblk)
 424                         return -ENOMEM;
 425                 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 426                 if (mapped < 0)
 427                         return -ENOMEM;
 428                 epcm->start_addr = mapped << PAGE_SHIFT;
 429         }
 430         return 0;
 431 }
 432
 433 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 434 {
 435         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 436         struct snd_pcm_runtime *runtime = substream->runtime;
 437         struct snd_emu10k1_pcm *epcm;
 438
 439         if (runtime->private_data == NULL)
 440                 return 0;
 441         epcm = runtime->private_data;
 442         if (epcm->extra) {
 443                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 444                 epcm->extra = NULL;
 445         }
 446         if (epcm->voices[1]) {
 447                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 448                 epcm->voices[1] = NULL;
 449         }
 450         if (epcm->voices[0]) {
 451                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 452                 epcm->voices[0] = NULL;
 453         }
 454         if (epcm->memblk) {
 455                 snd_emu10k1_free_pages(emu, epcm->memblk);
 456                 epcm->memblk = NULL;
 457                 epcm->start_addr = 0;
 458         }
 459         snd_pcm_lib_free_pages(substream);
 460         return 0;
 461 }
 462
 463 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 464 {
 465         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 466         struct snd_pcm_runtime *runtime = substream->runtime;
 467         struct snd_emu10k1_pcm *epcm;
 468         int i;
 469
 470         if (runtime->private_data == NULL)
 471                 return 0;
 472         epcm = runtime->private_data;
 473         if (epcm->extra) {
 474                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 475                 epcm->extra = NULL;
 476         }
 477         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 478                 if (epcm->voices[i]) {
 479                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 480                         epcm->voices[i] = NULL;
 481                 }
 482         }
 483         if (epcm->memblk) {
 484                 snd_emu10k1_free_pages(emu, epcm->memblk);
 485                 epcm->memblk = NULL;
 486                 epcm->start_addr = 0;
 487         }
 488         snd_pcm_lib_free_pages(substream);
 489         return 0;
 490 }
 491
 492 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 493 {
 494         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 495         struct snd_pcm_runtime *runtime = substream->runtime;
 496         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 497         unsigned int start_addr, end_addr;
 498
 499         start_addr = epcm->start_addr;
 500         end_addr = snd_pcm_lib_period_bytes(substream);
 501         if (runtime->channels == 2) {
 502                 start_addr >>= 1;
 503                 end_addr >>= 1;
 504         }
 505         end_addr += start_addr;
 506         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 507                                    start_addr, end_addr, NULL);
 508         start_addr = epcm->start_addr;
 509         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 510         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 511                                    start_addr, end_addr,
 512                                    &emu->pcm_mixer[substream->number]);
 513         if (epcm->voices[1])
 514                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 515                                            start_addr, end_addr,
 516                                            &emu->pcm_mixer[substream->number]);
 517         return 0;
 518 }
 519
 520 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 521 {
 522         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 523         struct snd_pcm_runtime *runtime = substream->runtime;
 524         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 525         unsigned int start_addr, end_addr;
 526         unsigned int channel_size;
 527         int i;
 528
 529         start_addr = epcm->start_addr;
 530         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 531
 532         /*
 533          * the kX driver leaves some space between voices
 534          */
 535         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 536
 537         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 538                                    start_addr, start_addr + (channel_size / 2), NULL);
 539
 540         /* only difference with the master voice is we use it for the pointer */
 541         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 542                                    start_addr, start_addr + channel_size,
 543                                    &emu->efx_pcm_mixer[0]);
 544
 545         start_addr += channel_size;
 546         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 547                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 548                                            start_addr, start_addr + channel_size,
 549                                            &emu->efx_pcm_mixer[i]);
 550                 start_addr += channel_size;
 551         }
 552
 553         return 0;
 554 }
 555
 556 static struct snd_pcm_hardware snd_emu10k1_efx_playback =
 557 {
 558         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 559                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 560                                  SNDRV_PCM_INFO_RESUME |
 561                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 562         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 563         .rates =                SNDRV_PCM_RATE_48000,
 564         .rate_min =             48000,
 565         .rate_max =             48000,
 566         .channels_min =         NUM_EFX_PLAYBACK,
 567         .channels_max =         NUM_EFX_PLAYBACK,
 568         .buffer_bytes_max =     (64*1024),
 569         .period_bytes_min =     64,
 570         .period_bytes_max =     (64*1024),
 571         .periods_min =          2,
 572         .periods_max =          2,
 573         .fifo_size =            0,
 574 };
 575
 576 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
 577                                          struct snd_pcm_hw_params *hw_params)
 578 {
 579         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 580 }
 581
 582 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
 583 {
 584         return snd_pcm_lib_free_pages(substream);
 585 }
 586
 587 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 588 {
 589         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 590         struct snd_pcm_runtime *runtime = substream->runtime;
 591         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 592         int idx;
 593
 594         /* zeroing the buffer size will stop capture */
 595         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 596         switch (epcm->type) {
 597         case CAPTURE_AC97ADC:
 598                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 599                 break;
 600         case CAPTURE_EFX:
 601                 if (emu->audigy) {
 602                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 603                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 604                 } else
 605                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 606                 break;
 607         default:
 608                 break;
 609         }
 610         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 611         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 612         epcm->capture_bs_val = 0;
 613         for (idx = 0; idx < 31; idx++) {
 614                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 615                         epcm->capture_bs_val = idx + 1;
 616                         break;
 617                 }
 618         }
 619         if (epcm->capture_bs_val == 0) {
 620                 snd_BUG();
 621                 epcm->capture_bs_val++;
 622         }
 623         if (epcm->type == CAPTURE_AC97ADC) {
 624                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 625                 if (runtime->channels > 1)
 626                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 627                 epcm->capture_cr_val |= emu->audigy ?
 628                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 629                         snd_emu10k1_capture_rate_reg(runtime->rate);
 630         }
 631         return 0;
 632 }
 633
 634 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 635 {
 636         struct snd_pcm_runtime *runtime;
 637         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 638
 639         if (evoice == NULL)
 640                 return;
 641         runtime = evoice->epcm->substream->runtime;
 642         voice = evoice->number;
 643         stereo = (!extra && runtime->channels == 2);
 644         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 645         ccis = emu10k1_ccis(stereo, sample == 0);
 646         /* set cs to 2 * number of cache registers beside the invalidated */
 647         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 648         if (cs > 16) cs = 16;
 649         for (i = 0; i < cs; i++) {
 650                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 651                 if (stereo) {
 652                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 653                 }
 654         }
 655         /* reset cache */
 656         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 657         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 658         if (stereo) {
 659                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 660                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 661         }
 662         /* fill cache */
 663         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 664         if (stereo) {
 665                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 666         }
 667 }
 668
 669 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 670                                                int master, int extra,
 671                                                struct snd_emu10k1_pcm_mixer *mix)
 672 {
 673         struct snd_pcm_substream *substream;
 674         struct snd_pcm_runtime *runtime;
 675         unsigned int attn, vattn;
 676         unsigned int voice, tmp;
 677
 678         if (evoice == NULL)     /* skip second voice for mono */
 679                 return;
 680         substream = evoice->epcm->substream;
 681         runtime = substream->runtime;
 682         voice = evoice->number;
 683
 684         attn = extra ? 0 : 0x00ff;
 685         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 686         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 687         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 688         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 689         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 690         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 691         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 692 }
 693
 694 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 695 {
 696         struct snd_pcm_substream *substream;
 697         struct snd_pcm_runtime *runtime;
 698         unsigned int voice, pitch, pitch_target;
 699
 700         if (evoice == NULL)     /* skip second voice for mono */
 701                 return;
 702         substream = evoice->epcm->substream;
 703         runtime = substream->runtime;
 704         voice = evoice->number;
 705
 706         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 707         if (emu->card_capabilities->emu_model)
 708                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 709         else
 710                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 711         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 712         if (master || evoice->epcm->type == PLAYBACK_EFX)
 713                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 714         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 715         if (extra)
 716                 snd_emu10k1_voice_intr_enable(emu, voice);
 717 }
 718
 719 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 720 {
 721         unsigned int voice;
 722
 723         if (evoice == NULL)
 724                 return;
 725         voice = evoice->number;
 726         snd_emu10k1_voice_intr_disable(emu, voice);
 727         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 728         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 729         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 730         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 731         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 732         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 733 }
 734
 735 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 736                                         int cmd)
 737 {
 738         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 739         struct snd_pcm_runtime *runtime = substream->runtime;
 740         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 741         struct snd_emu10k1_pcm_mixer *mix;
 742         int result = 0;
 743
 744         /*
 745         printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 746                (int)emu, cmd, substream->ops->pointer(substream))
 747         */
 748         spin_lock(&emu->reg_lock);
 749         switch (cmd) {
 750         case SNDRV_PCM_TRIGGER_START:
 751                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 752                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 753                 /* follow thru */
 754         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 755         case SNDRV_PCM_TRIGGER_RESUME:
 756                 mix = &emu->pcm_mixer[substream->number];
 757                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 758                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 759                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 760                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 761                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 762                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 763                 epcm->running = 1;
 764                 break;
 765         case SNDRV_PCM_TRIGGER_STOP:
 766         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 767         case SNDRV_PCM_TRIGGER_SUSPEND:
 768                 epcm->running = 0;
 769                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 770                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 771                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 772                 break;
 773         default:
 774                 result = -EINVAL;
 775                 break;
 776         }
 777         spin_unlock(&emu->reg_lock);
 778         return result;
 779 }
 780
 781 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 782                                        int cmd)
 783 {
 784         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 785         struct snd_pcm_runtime *runtime = substream->runtime;
 786         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 787         int result = 0;
 788
 789         spin_lock(&emu->reg_lock);
 790         switch (cmd) {
 791         case SNDRV_PCM_TRIGGER_START:
 792         case SNDRV_PCM_TRIGGER_RESUME:
 793                 /* hmm this should cause full and half full interrupt to be raised? */
 794                 outl(epcm->capture_ipr, emu->port + IPR);
 795                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 796                 /*
 797                 printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n",
 798                        epcm->adccr, epcm->adcbs);
 799                 */
 800                 switch (epcm->type) {
 801                 case CAPTURE_AC97ADC:
 802                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 803                         break;
 804                 case CAPTURE_EFX:
 805                         if (emu->audigy) {
 806                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 807                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 808                                 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2);
 809                         } else
 810                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 811                         break;
 812                 default:
 813                         break;
 814                 }
 815                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 816                 epcm->running = 1;
 817                 epcm->first_ptr = 1;
 818                 break;
 819         case SNDRV_PCM_TRIGGER_STOP:
 820         case SNDRV_PCM_TRIGGER_SUSPEND:
 821                 epcm->running = 0;
 822                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 823                 outl(epcm->capture_ipr, emu->port + IPR);
 824                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 825                 switch (epcm->type) {
 826                 case CAPTURE_AC97ADC:
 827                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 828                         break;
 829                 case CAPTURE_EFX:
 830                         if (emu->audigy) {
 831                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 832                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 833                         } else
 834                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 835                         break;
 836                 default:
 837                         break;
 838                 }
 839                 break;
 840         default:
 841                 result = -EINVAL;
 842         }
 843         spin_unlock(&emu->reg_lock);
 844         return result;
 845 }
 846
 847 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 848 {
 849         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 850         struct snd_pcm_runtime *runtime = substream->runtime;
 851         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 852         unsigned int ptr;
 853
 854         if (!epcm->running)
 855                 return 0;
 856         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 857 #if 0   /* Perex's code */
 858         ptr += runtime->buffer_size;
 859         ptr -= epcm->ccca_start_addr;
 860         ptr %= runtime->buffer_size;
 861 #else   /* EMU10K1 Open Source code from Creative */
 862         if (ptr < epcm->ccca_start_addr)
 863                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 864         else {
 865                 ptr -= epcm->ccca_start_addr;
 866                 if (ptr >= runtime->buffer_size)
 867                         ptr -= runtime->buffer_size;
 868         }
 869 #endif
 870         /*
 871         printk(KERN_DEBUG
 872                "ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n",
 873                ptr, runtime->buffer_size, runtime->period_size);
 874         */
 875         return ptr;
 876 }
 877
 878
 879 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 880                                         int cmd)
 881 {
 882         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 883         struct snd_pcm_runtime *runtime = substream->runtime;
 884         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 885         int i;
 886         int result = 0;
 887
 888         spin_lock(&emu->reg_lock);
 889         switch (cmd) {
 890         case SNDRV_PCM_TRIGGER_START:
 891                 /* prepare voices */
 892                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 893                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 894                 }
 895                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 896
 897                 /* follow thru */
 898         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 899         case SNDRV_PCM_TRIGGER_RESUME:
 900                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 901                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 902                                                    &emu->efx_pcm_mixer[0]);
 903                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 904                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 905                                                            &emu->efx_pcm_mixer[i]);
 906                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 907                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 908                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 909                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 910                 epcm->running = 1;
 911                 break;
 912         case SNDRV_PCM_TRIGGER_SUSPEND:
 913         case SNDRV_PCM_TRIGGER_STOP:
 914         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 915                 epcm->running = 0;
 916                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 917                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 918                 }
 919                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 920                 break;
 921         default:
 922                 result = -EINVAL;
 923                 break;
 924         }
 925         spin_unlock(&emu->reg_lock);
 926         return result;
 927 }
 928
 929
 930 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 931 {
 932         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 933         struct snd_pcm_runtime *runtime = substream->runtime;
 934         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 935         unsigned int ptr;
 936
 937         if (!epcm->running)
 938                 return 0;
 939         if (epcm->first_ptr) {
 940                 udelay(50);     /* hack, it takes awhile until capture is started */
 941                 epcm->first_ptr = 0;
 942         }
 943         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 944         return bytes_to_frames(runtime, ptr);
 945 }
 946
 947 /*
 948  *  Playback support device description
 949  */
 950
 951 static struct snd_pcm_hardware snd_emu10k1_playback =
 952 {
 953         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 954                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 955                                  SNDRV_PCM_INFO_RESUME |
 956                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 957         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 958         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 959         .rate_min =             4000,
 960         .rate_max =             96000,
 961         .channels_min =         1,
 962         .channels_max =         2,
 963         .buffer_bytes_max =     (128*1024),
 964         .period_bytes_min =     64,
 965         .period_bytes_max =     (128*1024),
 966         .periods_min =          1,
 967         .periods_max =          1024,
 968         .fifo_size =            0,
 969 };
 970
 971 /*
 972  *  Capture support device description
 973  */
 974
 975 static struct snd_pcm_hardware snd_emu10k1_capture =
 976 {
 977         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 978                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 979                                  SNDRV_PCM_INFO_RESUME |
 980                                  SNDRV_PCM_INFO_MMAP_VALID),
 981         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 982         .rates =                SNDRV_PCM_RATE_8000_48000,
 983         .rate_min =             8000,
 984         .rate_max =             48000,
 985         .channels_min =         1,
 986         .channels_max =         2,
 987         .buffer_bytes_max =     (64*1024),
 988         .period_bytes_min =     384,
 989         .period_bytes_max =     (64*1024),
 990         .periods_min =          2,
 991         .periods_max =          2,
 992         .fifo_size =            0,
 993 };
 994
 995 static struct snd_pcm_hardware snd_emu10k1_capture_efx =
 996 {
 997         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 998                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 999                                  SNDRV_PCM_INFO_RESUME |
1000                                  SNDRV_PCM_INFO_MMAP_VALID),
1001         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1002         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1003                                  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1004                                  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1005         .rate_min =             44100,
1006         .rate_max =             192000,
1007         .channels_min =         8,
1008         .channels_max =         8,
1009         .buffer_bytes_max =     (64*1024),
1010         .period_bytes_min =     384,
1011         .period_bytes_max =     (64*1024),
1012         .periods_min =          2,
1013         .periods_max =          2,
1014         .fifo_size =            0,
1015 };
1016
1017 /*
1018  *
1019  */
1020
1021 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1022 {
1023         struct snd_ctl_elem_id id;
1024
1025         if (! kctl)
1026                 return;
1027         if (activate)
1028                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1029         else
1030                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1031         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1032                        SNDRV_CTL_EVENT_MASK_INFO,
1033                        snd_ctl_build_ioff(&id, kctl, idx));
1034 }
1035
1036 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1037 {
1038         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1039         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1040         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1041 }
1042
1043 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1044 {
1045         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1046         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1047         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1048 }
1049
1050 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1051 {
1052         kfree(runtime->private_data);
1053 }
1054
1055 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1056 {
1057         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1058         struct snd_emu10k1_pcm_mixer *mix;
1059         int i;
1060
1061         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1062                 mix = &emu->efx_pcm_mixer[i];
1063                 mix->epcm = NULL;
1064                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1065         }
1066         return 0;
1067 }
1068
1069 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1070 {
1071         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1072         struct snd_emu10k1_pcm *epcm;
1073         struct snd_emu10k1_pcm_mixer *mix;
1074         struct snd_pcm_runtime *runtime = substream->runtime;
1075         int i;
1076
1077         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1078         if (epcm == NULL)
1079                 return -ENOMEM;
1080         epcm->emu = emu;
1081         epcm->type = PLAYBACK_EFX;
1082         epcm->substream = substream;
1083
1084         emu->pcm_playback_efx_substream = substream;
1085
1086         runtime->private_data = epcm;
1087         runtime->private_free = snd_emu10k1_pcm_free_substream;
1088         runtime->hw = snd_emu10k1_efx_playback;
1089
1090         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1091                 mix = &emu->efx_pcm_mixer[i];
1092                 mix->send_routing[0][0] = i;
1093                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1094                 mix->send_volume[0][0] = 255;
1095                 mix->attn[0] = 0xffff;
1096                 mix->epcm = epcm;
1097                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1098         }
1099         return 0;
1100 }
1101
1102 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1103 {
1104         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1105         struct snd_emu10k1_pcm *epcm;
1106         struct snd_emu10k1_pcm_mixer *mix;
1107         struct snd_pcm_runtime *runtime = substream->runtime;
1108         int i, err;
1109
1110         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1111         if (epcm == NULL)
1112                 return -ENOMEM;
1113         epcm->emu = emu;
1114         epcm->type = PLAYBACK_EMUVOICE;
1115         epcm->substream = substream;
1116         runtime->private_data = epcm;
1117         runtime->private_free = snd_emu10k1_pcm_free_substream;
1118         runtime->hw = snd_emu10k1_playback;
1119         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1120                 kfree(epcm);
1121                 return err;
1122         }
1123         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1124                 kfree(epcm);
1125                 return err;
1126         }
1127         mix = &emu->pcm_mixer[substream->number];
1128         for (i = 0; i < 4; i++)
1129                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1130         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1131         mix->send_volume[0][0] = mix->send_volume[0][1] =
1132         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1133         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1134         mix->epcm = epcm;
1135         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1136         return 0;
1137 }
1138
1139 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1140 {
1141         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1142         struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1143
1144         mix->epcm = NULL;
1145         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1146         return 0;
1147 }
1148
1149 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1150 {
1151         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1152         struct snd_pcm_runtime *runtime = substream->runtime;
1153         struct snd_emu10k1_pcm *epcm;
1154
1155         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1156         if (epcm == NULL)
1157                 return -ENOMEM;
1158         epcm->emu = emu;
1159         epcm->type = CAPTURE_AC97ADC;
1160         epcm->substream = substream;
1161         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1162         epcm->capture_inte = INTE_ADCBUFENABLE;
1163         epcm->capture_ba_reg = ADCBA;
1164         epcm->capture_bs_reg = ADCBS;
1165         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1166         runtime->private_data = epcm;
1167         runtime->private_free = snd_emu10k1_pcm_free_substream;
1168         runtime->hw = snd_emu10k1_capture;
1169         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1170         emu->pcm_capture_substream = substream;
1171         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1172         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1173         return 0;
1174 }
1175
1176 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1177 {
1178         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1179
1180         emu->capture_interrupt = NULL;
1181         emu->pcm_capture_substream = NULL;
1182         return 0;
1183 }
1184
1185 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1186 {
1187         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1188         struct snd_emu10k1_pcm *epcm;
1189         struct snd_pcm_runtime *runtime = substream->runtime;
1190
1191         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1192         if (epcm == NULL)
1193                 return -ENOMEM;
1194         epcm->emu = emu;
1195         epcm->type = CAPTURE_AC97MIC;
1196         epcm->substream = substream;
1197         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1198         epcm->capture_inte = INTE_MICBUFENABLE;
1199         epcm->capture_ba_reg = MICBA;
1200         epcm->capture_bs_reg = MICBS;
1201         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1202         substream->runtime->private_data = epcm;
1203         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1204         runtime->hw = snd_emu10k1_capture;
1205         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1206         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1207         runtime->hw.channels_min = 1;
1208         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1209         emu->pcm_capture_mic_substream = substream;
1210         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1211         return 0;
1212 }
1213
1214 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1215 {
1216         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1217
1218         emu->capture_interrupt = NULL;
1219         emu->pcm_capture_mic_substream = NULL;
1220         return 0;
1221 }
1222
1223 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1224 {
1225         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1226         struct snd_emu10k1_pcm *epcm;
1227         struct snd_pcm_runtime *runtime = substream->runtime;
1228         int nefx = emu->audigy ? 64 : 32;
1229         int idx;
1230
1231         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1232         if (epcm == NULL)
1233                 return -ENOMEM;
1234         epcm->emu = emu;
1235         epcm->type = CAPTURE_EFX;
1236         epcm->substream = substream;
1237         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1238         epcm->capture_inte = INTE_EFXBUFENABLE;
1239         epcm->capture_ba_reg = FXBA;
1240         epcm->capture_bs_reg = FXBS;
1241         epcm->capture_idx_reg = FXIDX;
1242         substream->runtime->private_data = epcm;
1243         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1244         runtime->hw = snd_emu10k1_capture_efx;
1245         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1246         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1247         spin_lock_irq(&emu->reg_lock);
1248         if (emu->card_capabilities->emu_model) {
1249                 /*  Nb. of channels has been increased to 16 */
1250                 /* TODO
1251                  * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1252                  * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1253                  * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1254                  * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1255                  * rate_min = 44100,
1256                  * rate_max = 192000,
1257                  * channels_min = 16,
1258                  * channels_max = 16,
1259                  * Need to add mixer control to fix sample rate
1260                  *
1261                  * There are 32 mono channels of 16bits each.
1262                  * 24bit Audio uses 2x channels over 16bit
1263                  * 96kHz uses 2x channels over 48kHz
1264                  * 192kHz uses 4x channels over 48kHz
1265                  * So, for 48kHz 24bit, one has 16 channels
1266                  * for 96kHz 24bit, one has 8 channels
1267                  * for 192kHz 24bit, one has 4 channels
1268                  *
1269                  */
1270 #if 1
1271                 switch (emu->emu1010.internal_clock) {
1272                 case 0:
1273                         /* For 44.1kHz */
1274                         runtime->hw.rates = SNDRV_PCM_RATE_44100;
1275                         runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1276                         runtime->hw.channels_min =
1277                                 runtime->hw.channels_max = 16;
1278                         break;
1279                 case 1:
1280                         /* For 48kHz */
1281                         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1282                         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1283                         runtime->hw.channels_min =
1284                                 runtime->hw.channels_max = 16;
1285                         break;
1286                 };
1287 #endif
1288 #if 0
1289                 /* For 96kHz */
1290                 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1291                 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1292                 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1293 #endif
1294 #if 0
1295                 /* For 192kHz */
1296                 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1297                 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1298                 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1299 #endif
1300                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1301                 /* efx_voices_mask[0] is expected to be zero
1302                  * efx_voices_mask[1] is expected to have 32bits set
1303                  */
1304         } else {
1305                 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1306                 for (idx = 0; idx < nefx; idx++) {
1307                         if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1308                                 runtime->hw.channels_min++;
1309                                 runtime->hw.channels_max++;
1310                         }
1311                 }
1312         }
1313         epcm->capture_cr_val = emu->efx_voices_mask[0];
1314         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1315         spin_unlock_irq(&emu->reg_lock);
1316         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1317         emu->pcm_capture_efx_substream = substream;
1318         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1319         return 0;
1320 }
1321
1322 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1323 {
1324         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1325
1326         emu->capture_interrupt = NULL;
1327         emu->pcm_capture_efx_substream = NULL;
1328         return 0;
1329 }
1330
1331 static struct snd_pcm_ops snd_emu10k1_playback_ops = {
1332         .open =                 snd_emu10k1_playback_open,
1333         .close =                snd_emu10k1_playback_close,
1334         .ioctl =                snd_pcm_lib_ioctl,
1335         .hw_params =            snd_emu10k1_playback_hw_params,
1336         .hw_free =              snd_emu10k1_playback_hw_free,
1337         .prepare =              snd_emu10k1_playback_prepare,
1338         .trigger =              snd_emu10k1_playback_trigger,
1339         .pointer =              snd_emu10k1_playback_pointer,
1340         .page =                 snd_pcm_sgbuf_ops_page,
1341 };
1342
1343 static struct snd_pcm_ops snd_emu10k1_capture_ops = {
1344         .open =                 snd_emu10k1_capture_open,
1345         .close =                snd_emu10k1_capture_close,
1346         .ioctl =                snd_pcm_lib_ioctl,
1347         .hw_params =            snd_emu10k1_capture_hw_params,
1348         .hw_free =              snd_emu10k1_capture_hw_free,
1349         .prepare =              snd_emu10k1_capture_prepare,
1350         .trigger =              snd_emu10k1_capture_trigger,
1351         .pointer =              snd_emu10k1_capture_pointer,
1352 };
1353
1354 /* EFX playback */
1355 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1356         .open =                 snd_emu10k1_efx_playback_open,
1357         .close =                snd_emu10k1_efx_playback_close,
1358         .ioctl =                snd_pcm_lib_ioctl,
1359         .hw_params =            snd_emu10k1_playback_hw_params,
1360         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1361         .prepare =              snd_emu10k1_efx_playback_prepare,
1362         .trigger =              snd_emu10k1_efx_playback_trigger,
1363         .pointer =              snd_emu10k1_efx_playback_pointer,
1364         .page =                 snd_pcm_sgbuf_ops_page,
1365 };
1366
1367 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1368 {
1369         struct snd_pcm *pcm;
1370         struct snd_pcm_substream *substream;
1371         int err;
1372
1373         if (rpcm)
1374                 *rpcm = NULL;
1375
1376         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1377                 return err;
1378
1379         pcm->private_data = emu;
1380
1381         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1382         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1383
1384         pcm->info_flags = 0;
1385         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1386         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1387         emu->pcm = pcm;
1388
1389         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1390                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1391                         return err;
1392
1393         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1394                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1395
1396         if (rpcm)
1397                 *rpcm = pcm;
1398
1399         return 0;
1400 }
1401
1402 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1403 {
1404         struct snd_pcm *pcm;
1405         struct snd_pcm_substream *substream;
1406         int err;
1407
1408         if (rpcm)
1409                 *rpcm = NULL;
1410
1411         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1412                 return err;
1413
1414         pcm->private_data = emu;
1415
1416         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1417
1418         pcm->info_flags = 0;
1419         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1420         strcpy(pcm->name, "Multichannel Playback");
1421         emu->pcm_multi = pcm;
1422
1423         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1424                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1425                         return err;
1426
1427         if (rpcm)
1428                 *rpcm = pcm;
1429
1430         return 0;
1431 }
1432
1433
1434 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1435         .open =                 snd_emu10k1_capture_mic_open,
1436         .close =                snd_emu10k1_capture_mic_close,
1437         .ioctl =                snd_pcm_lib_ioctl,
1438         .hw_params =            snd_emu10k1_capture_hw_params,
1439         .hw_free =              snd_emu10k1_capture_hw_free,
1440         .prepare =              snd_emu10k1_capture_prepare,
1441         .trigger =              snd_emu10k1_capture_trigger,
1442         .pointer =              snd_emu10k1_capture_pointer,
1443 };
1444
1445 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1446 {
1447         struct snd_pcm *pcm;
1448         int err;
1449
1450         if (rpcm)
1451                 *rpcm = NULL;
1452
1453         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1454                 return err;
1455
1456         pcm->private_data = emu;
1457
1458         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1459
1460         pcm->info_flags = 0;
1461         strcpy(pcm->name, "Mic Capture");
1462         emu->pcm_mic = pcm;
1463
1464         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1465
1466         if (rpcm)
1467                 *rpcm = pcm;
1468         return 0;
1469 }
1470
1471 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1472 {
1473         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1474         int nefx = emu->audigy ? 64 : 32;
1475         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1476         uinfo->count = nefx;
1477         uinfo->value.integer.min = 0;
1478         uinfo->value.integer.max = 1;
1479         return 0;
1480 }
1481
1482 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1483 {
1484         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1485         int nefx = emu->audigy ? 64 : 32;
1486         int idx;
1487
1488         spin_lock_irq(&emu->reg_lock);
1489         for (idx = 0; idx < nefx; idx++)
1490                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1491         spin_unlock_irq(&emu->reg_lock);
1492         return 0;
1493 }
1494
1495 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1496 {
1497         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1498         unsigned int nval[2], bits;
1499         int nefx = emu->audigy ? 64 : 32;
1500         int nefxb = emu->audigy ? 7 : 6;
1501         int change, idx;
1502
1503         nval[0] = nval[1] = 0;
1504         for (idx = 0, bits = 0; idx < nefx; idx++)
1505                 if (ucontrol->value.integer.value[idx]) {
1506                         nval[idx / 32] |= 1 << (idx % 32);
1507                         bits++;
1508                 }
1509
1510         for (idx = 0; idx < nefxb; idx++)
1511                 if (1 << idx == bits)
1512                         break;
1513
1514         if (idx >= nefxb)
1515                 return -EINVAL;
1516
1517         spin_lock_irq(&emu->reg_lock);
1518         change = (nval[0] != emu->efx_voices_mask[0]) ||
1519                 (nval[1] != emu->efx_voices_mask[1]);
1520         emu->efx_voices_mask[0] = nval[0];
1521         emu->efx_voices_mask[1] = nval[1];
1522         spin_unlock_irq(&emu->reg_lock);
1523         return change;
1524 }
1525
1526 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1527         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1528         .name = "Captured FX8010 Outputs",
1529         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1530         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1531         .put = snd_emu10k1_pcm_efx_voices_mask_put
1532 };
1533
1534 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1535         .open =                 snd_emu10k1_capture_efx_open,
1536         .close =                snd_emu10k1_capture_efx_close,
1537         .ioctl =                snd_pcm_lib_ioctl,
1538         .hw_params =            snd_emu10k1_capture_hw_params,
1539         .hw_free =              snd_emu10k1_capture_hw_free,
1540         .prepare =              snd_emu10k1_capture_prepare,
1541         .trigger =              snd_emu10k1_capture_trigger,
1542         .pointer =              snd_emu10k1_capture_pointer,
1543 };
1544
1545
1546 /* EFX playback */
1547
1548 #define INITIAL_TRAM_SHIFT     14
1549 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1550
1551 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1552 {
1553         struct snd_pcm_substream *substream = private_data;
1554         snd_pcm_period_elapsed(substream);
1555 }
1556
1557 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1558                                                    unsigned short *dst_right,
1559                                                    unsigned short *src,
1560                                                    unsigned int count,
1561                                                    unsigned int tram_shift)
1562 {
1563         /*
1564         printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1565                "src = 0x%p, count = 0x%x\n",
1566                dst_left, dst_right, src, count);
1567         */
1568         if ((tram_shift & 1) == 0) {
1569                 while (count--) {
1570                         *dst_left-- = *src++;
1571                         *dst_right-- = *src++;
1572                 }
1573         } else {
1574                 while (count--) {
1575                         *dst_right-- = *src++;
1576                         *dst_left-- = *src++;
1577                 }
1578         }
1579 }
1580
1581 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1582                                  struct snd_pcm_indirect *rec, size_t bytes)
1583 {
1584         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1585         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1586         unsigned int tram_size = pcm->buffer_size;
1587         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1588         unsigned int frames = bytes >> 2, count;
1589         unsigned int tram_pos = pcm->tram_pos;
1590         unsigned int tram_shift = pcm->tram_shift;
1591
1592         while (frames > tram_pos) {
1593                 count = tram_pos + 1;
1594                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1595                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1596                                                        src, count, tram_shift);
1597                 src += count * 2;
1598                 frames -= count;
1599                 tram_pos = (tram_size / 2) - 1;
1600                 tram_shift++;
1601         }
1602         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1603                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1604                                                src, frames, tram_shift);
1605         tram_pos -= frames;
1606         pcm->tram_pos = tram_pos;
1607         pcm->tram_shift = tram_shift;
1608 }
1609
1610 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1611 {
1612         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1613         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1614
1615         snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1616         return 0;
1617 }
1618
1619 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1620                                                  struct snd_pcm_hw_params *hw_params)
1621 {
1622         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1623 }
1624
1625 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1626 {
1627         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1628         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1629         unsigned int i;
1630
1631         for (i = 0; i < pcm->channels; i++)
1632                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1633         snd_pcm_lib_free_pages(substream);
1634         return 0;
1635 }
1636
1637 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1638 {
1639         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1640         struct snd_pcm_runtime *runtime = substream->runtime;
1641         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1642         unsigned int i;
1643
1644         /*
1645         printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1646                "buffer_size = 0x%x (0x%x)\n",
1647                emu->fx8010.etram_pages, runtime->dma_area,
1648                runtime->buffer_size, runtime->buffer_size << 2);
1649         */
1650         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1651         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1652         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1653         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1654         pcm->tram_shift = 0;
1655         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1656         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1657         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1658         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1659         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1660         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1661         for (i = 0; i < pcm->channels; i++)
1662                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1663         return 0;
1664 }
1665
1666 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1667 {
1668         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1669         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1670         int result = 0;
1671
1672         spin_lock(&emu->reg_lock);
1673         switch (cmd) {
1674         case SNDRV_PCM_TRIGGER_START:
1675                 /* follow thru */
1676         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1677         case SNDRV_PCM_TRIGGER_RESUME:
1678 #ifdef EMU10K1_SET_AC3_IEC958
1679         {
1680                 int i;
1681                 for (i = 0; i < 3; i++) {
1682                         unsigned int bits;
1683                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1684                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1685                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1686                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1687                 }
1688         }
1689 #endif
1690                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1691                 if (result < 0)
1692                         goto __err;
1693                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1694                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1695                 break;
1696         case SNDRV_PCM_TRIGGER_STOP:
1697         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1698         case SNDRV_PCM_TRIGGER_SUSPEND:
1699                 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1700                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1701                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1702                 pcm->tram_shift = 0;
1703                 break;
1704         default:
1705                 result = -EINVAL;
1706                 break;
1707         }
1708       __err:
1709         spin_unlock(&emu->reg_lock);
1710         return result;
1711 }
1712
1713 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1714 {
1715         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1716         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1717         size_t ptr; /* byte pointer */
1718
1719         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1720                 return 0;
1721         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1722         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1723 }
1724
1725 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1726 {
1727         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1728                                  SNDRV_PCM_INFO_RESUME |
1729                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1730         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1731         .rates =                SNDRV_PCM_RATE_48000,
1732         .rate_min =             48000,
1733         .rate_max =             48000,
1734         .channels_min =         1,
1735         .channels_max =         1,
1736         .buffer_bytes_max =     (128*1024),
1737         .period_bytes_min =     1024,
1738         .period_bytes_max =     (128*1024),
1739         .periods_min =          1,
1740         .periods_max =          1024,
1741         .fifo_size =            0,
1742 };
1743
1744 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1745 {
1746         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1747         struct snd_pcm_runtime *runtime = substream->runtime;
1748         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1749
1750         runtime->hw = snd_emu10k1_fx8010_playback;
1751         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1752         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1753         spin_lock_irq(&emu->reg_lock);
1754         if (pcm->valid == 0) {
1755                 spin_unlock_irq(&emu->reg_lock);
1756                 return -ENODEV;
1757         }
1758         pcm->opened = 1;
1759         spin_unlock_irq(&emu->reg_lock);
1760         return 0;
1761 }
1762
1763 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1764 {
1765         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1766         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1767
1768         spin_lock_irq(&emu->reg_lock);
1769         pcm->opened = 0;
1770         spin_unlock_irq(&emu->reg_lock);
1771         return 0;
1772 }
1773
1774 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1775         .open =                 snd_emu10k1_fx8010_playback_open,
1776         .close =                snd_emu10k1_fx8010_playback_close,
1777         .ioctl =                snd_pcm_lib_ioctl,
1778         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1779         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1780         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1781         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1782         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1783         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1784 };
1785
1786 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1787 {
1788         struct snd_pcm *pcm;
1789         struct snd_kcontrol *kctl;
1790         int err;
1791
1792         if (rpcm)
1793                 *rpcm = NULL;
1794
1795         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1796                 return err;
1797
1798         pcm->private_data = emu;
1799
1800         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1801         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1802
1803         pcm->info_flags = 0;
1804         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1805         emu->pcm_efx = pcm;
1806         if (rpcm)
1807                 *rpcm = pcm;
1808
1809         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1810          * to these
1811          */
1812
1813         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1814         if (emu->audigy) {
1815                 emu->efx_voices_mask[0] = 0;
1816                 if (emu->card_capabilities->emu_model)
1817                         /* Pavel Hofman - 32 voices will be used for
1818                          * capture (write mode) -
1819                          * each bit = corresponding voice
1820                          */
1821                         emu->efx_voices_mask[1] = 0xffffffff;
1822                 else
1823                         emu->efx_voices_mask[1] = 0xffff;
1824         } else {
1825                 emu->efx_voices_mask[0] = 0xffff0000;
1826                 emu->efx_voices_mask[1] = 0;
1827         }
1828         /* For emu1010, the control has to set 32 upper bits (voices)
1829          * out of the 64 bits (voices) to true for the 16-channels capture
1830          * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1831          * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1832          * control can override this register's value.
1833          */
1834         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1835         if (!kctl)
1836                 return -ENOMEM;
1837         kctl->id.device = device;
1838         snd_ctl_add(emu->card, kctl);
1839
1840         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1841
1842         return 0;
1843 }