sound/pci/emu10k1/emupcm.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4  *                   Creative Labs, Inc.
   5  *  Routines for control of EMU10K1 chips / PCM routines
   6  *  Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com>
   7  *
   8  *  BUGS:
   9  *    --
  10  *
  11  *  TODO:
  12  *    --
  13  */
  14
  15 #include <linux/pci.h>
  16 #include <linux/delay.h>
  17 #include <linux/slab.h>
  18 #include <linux/time.h>
  19 #include <linux/init.h>
  20 #include <sound/core.h>
  21 #include <sound/emu10k1.h>
  22
  23 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
  24                                       struct snd_emu10k1_voice *voice)
  25 {
  26         struct snd_emu10k1_pcm *epcm;
  27
  28         epcm = voice->epcm;
  29         if (!epcm)
  30                 return;
  31         if (epcm->substream == NULL)
  32                 return;
  33 #if 0
  34         dev_dbg(emu->card->dev,
  35                 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  36                         epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  37                         snd_pcm_lib_period_bytes(epcm->substream),
  38                         snd_pcm_lib_buffer_bytes(epcm->substream));
  39 #endif
  40         snd_pcm_period_elapsed(epcm->substream);
  41 }
  42
  43 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
  44                                               unsigned int status)
  45 {
  46 #if 0
  47         if (status & IPR_ADCBUFHALFFULL) {
  48                 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  49                         return;
  50         }
  51 #endif
  52         snd_pcm_period_elapsed(emu->pcm_capture_substream);
  53 }
  54
  55 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
  56                                               unsigned int status)
  57 {
  58 #if 0
  59         if (status & IPR_MICBUFHALFFULL) {
  60                 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  61                         return;
  62         }
  63 #endif
  64         snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  65 }
  66
  67 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
  68                                           unsigned int status)
  69 {
  70 #if 0
  71         if (status & IPR_EFXBUFHALFFULL) {
  72                 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  73                         return;
  74         }
  75 #endif
  76         snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  77 }
  78
  79 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
  80 {
  81         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  82         struct snd_pcm_runtime *runtime = substream->runtime;
  83         struct snd_emu10k1_pcm *epcm = runtime->private_data;
  84         unsigned int ptr;
  85
  86         if (!epcm->running)
  87                 return 0;
  88         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
  89         ptr += runtime->buffer_size;
  90         ptr -= epcm->ccca_start_addr;
  91         ptr %= runtime->buffer_size;
  92
  93         return ptr;
  94 }
  95
  96 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
  97 {
  98         int err, i;
  99
 100         if (epcm->voices[1] != NULL && voices < 2) {
 101                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 102                 epcm->voices[1] = NULL;
 103         }
 104         for (i = 0; i < voices; i++) {
 105                 if (epcm->voices[i] == NULL)
 106                         break;
 107         }
 108         if (i == voices)
 109                 return 0; /* already allocated */
 110
 111         for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
 112                 if (epcm->voices[i]) {
 113                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 114                         epcm->voices[i] = NULL;
 115                 }
 116         }
 117         err = snd_emu10k1_voice_alloc(epcm->emu,
 118                                       epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 119                                       voices,
 120                                       &epcm->voices[0]);
 121
 122         if (err < 0)
 123                 return err;
 124         epcm->voices[0]->epcm = epcm;
 125         if (voices > 1) {
 126                 for (i = 1; i < voices; i++) {
 127                         epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
 128                         epcm->voices[i]->epcm = epcm;
 129                 }
 130         }
 131         if (epcm->extra == NULL) {
 132                 err = snd_emu10k1_voice_alloc(epcm->emu,
 133                                               epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 134                                               1,
 135                                               &epcm->extra);
 136                 if (err < 0) {
 137                         /*
 138                         dev_dbg(emu->card->dev, "pcm_channel_alloc: "
 139                                "failed extra: voices=%d, frame=%d\n",
 140                                voices, frame);
 141                         */
 142                         for (i = 0; i < voices; i++) {
 143                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 144                                 epcm->voices[i] = NULL;
 145                         }
 146                         return err;
 147                 }
 148                 epcm->extra->epcm = epcm;
 149                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 150         }
 151         return 0;
 152 }
 153
 154 static const unsigned int capture_period_sizes[31] = {
 155         384,    448,    512,    640,
 156         384*2,  448*2,  512*2,  640*2,
 157         384*4,  448*4,  512*4,  640*4,
 158         384*8,  448*8,  512*8,  640*8,
 159         384*16, 448*16, 512*16, 640*16,
 160         384*32, 448*32, 512*32, 640*32,
 161         384*64, 448*64, 512*64, 640*64,
 162         384*128,448*128,512*128
 163 };
 164
 165 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
 166         .count = 31,
 167         .list = capture_period_sizes,
 168         .mask = 0
 169 };
 170
 171 static const unsigned int capture_rates[8] = {
 172         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 173 };
 174
 175 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
 176         .count = 8,
 177         .list = capture_rates,
 178         .mask = 0
 179 };
 180
 181 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 182 {
 183         switch (rate) {
 184         case 8000:      return ADCCR_SAMPLERATE_8;
 185         case 11025:     return ADCCR_SAMPLERATE_11;
 186         case 16000:     return ADCCR_SAMPLERATE_16;
 187         case 22050:     return ADCCR_SAMPLERATE_22;
 188         case 24000:     return ADCCR_SAMPLERATE_24;
 189         case 32000:     return ADCCR_SAMPLERATE_32;
 190         case 44100:     return ADCCR_SAMPLERATE_44;
 191         case 48000:     return ADCCR_SAMPLERATE_48;
 192         default:
 193                         snd_BUG();
 194                         return ADCCR_SAMPLERATE_8;
 195         }
 196 }
 197
 198 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 199 {
 200         switch (rate) {
 201         case 8000:      return A_ADCCR_SAMPLERATE_8;
 202         case 11025:     return A_ADCCR_SAMPLERATE_11;
 203         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 204         case 16000:     return ADCCR_SAMPLERATE_16;
 205         case 22050:     return ADCCR_SAMPLERATE_22;
 206         case 24000:     return ADCCR_SAMPLERATE_24;
 207         case 32000:     return ADCCR_SAMPLERATE_32;
 208         case 44100:     return ADCCR_SAMPLERATE_44;
 209         case 48000:     return ADCCR_SAMPLERATE_48;
 210         default:
 211                         snd_BUG();
 212                         return A_ADCCR_SAMPLERATE_8;
 213         }
 214 }
 215
 216 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 217 {
 218         unsigned int pitch_target;
 219
 220         pitch_target = (rate << 8) / 375;
 221         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 222         return pitch_target;
 223 }
 224
 225 #define PITCH_48000 0x00004000
 226 #define PITCH_96000 0x00008000
 227 #define PITCH_85000 0x00007155
 228 #define PITCH_80726 0x00006ba2
 229 #define PITCH_67882 0x00005a82
 230 #define PITCH_57081 0x00004c1c
 231
 232 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 233 {
 234         if (pitch_target == PITCH_48000)
 235                 return CCCA_INTERPROM_0;
 236         else if (pitch_target < PITCH_48000)
 237                 return CCCA_INTERPROM_1;
 238         else if (pitch_target >= PITCH_96000)
 239                 return CCCA_INTERPROM_0;
 240         else if (pitch_target >= PITCH_85000)
 241                 return CCCA_INTERPROM_6;
 242         else if (pitch_target >= PITCH_80726)
 243                 return CCCA_INTERPROM_5;
 244         else if (pitch_target >= PITCH_67882)
 245                 return CCCA_INTERPROM_4;
 246         else if (pitch_target >= PITCH_57081)
 247                 return CCCA_INTERPROM_3;
 248         else
 249                 return CCCA_INTERPROM_2;
 250 }
 251
 252 /*
 253  * calculate cache invalidate size
 254  *
 255  * stereo: channel is stereo
 256  * w_16: using 16bit samples
 257  *
 258  * returns: cache invalidate size in samples
 259  */
 260 static inline int emu10k1_ccis(int stereo, int w_16)
 261 {
 262         if (w_16) {
 263                 return stereo ? 24 : 26;
 264         } else {
 265                 return stereo ? 24*2 : 26*2;
 266         }
 267 }
 268
 269 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
 270                                        int master, int extra,
 271                                        struct snd_emu10k1_voice *evoice,
 272                                        unsigned int start_addr,
 273                                        unsigned int end_addr,
 274                                        struct snd_emu10k1_pcm_mixer *mix)
 275 {
 276         struct snd_pcm_substream *substream = evoice->epcm->substream;
 277         struct snd_pcm_runtime *runtime = substream->runtime;
 278         unsigned int silent_page, tmp;
 279         int voice, stereo, w_16;
 280         unsigned char send_amount[8];
 281         unsigned char send_routing[8];
 282         unsigned long flags;
 283         unsigned int pitch_target;
 284         unsigned int ccis;
 285
 286         voice = evoice->number;
 287         stereo = runtime->channels == 2;
 288         w_16 = snd_pcm_format_width(runtime->format) == 16;
 289
 290         if (!extra && stereo) {
 291                 start_addr >>= 1;
 292                 end_addr >>= 1;
 293         }
 294         if (w_16) {
 295                 start_addr >>= 1;
 296                 end_addr >>= 1;
 297         }
 298
 299         spin_lock_irqsave(&emu->reg_lock, flags);
 300
 301         /* volume parameters */
 302         if (extra) {
 303                 memset(send_routing, 0, sizeof(send_routing));
 304                 send_routing[0] = 0;
 305                 send_routing[1] = 1;
 306                 send_routing[2] = 2;
 307                 send_routing[3] = 3;
 308                 memset(send_amount, 0, sizeof(send_amount));
 309         } else {
 310                 /* mono, left, right (master voice = left) */
 311                 tmp = stereo ? (master ? 1 : 2) : 0;
 312                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 313                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 314         }
 315
 316         ccis = emu10k1_ccis(stereo, w_16);
 317
 318         if (master) {
 319                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 320                 if (extra) {
 321                         start_addr += ccis;
 322                         end_addr += ccis + emu->delay_pcm_irq;
 323                 }
 324                 if (stereo && !extra) {
 325                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 326                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 327                 } else {
 328                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 329                 }
 330         }
 331
 332         /* setup routing */
 333         if (emu->audigy) {
 334                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 335                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
 336                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 337                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
 338                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 339                                       ((unsigned int)send_amount[4] << 24) |
 340                                       ((unsigned int)send_amount[5] << 16) |
 341                                       ((unsigned int)send_amount[6] << 8) |
 342                                       (unsigned int)send_amount[7]);
 343         } else
 344                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 345                                       snd_emu10k1_compose_send_routing(send_routing));
 346         /* Stop CA */
 347         /* Assumption that PT is already 0 so no harm overwriting */
 348         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 349         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 350         snd_emu10k1_ptr_write(emu, PSST, voice,
 351                         (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
 352                         (send_amount[2] << 24));
 353         if (emu->card_capabilities->emu_model)
 354                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 355         else
 356                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 357         if (extra)
 358                 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 359                               emu10k1_select_interprom(pitch_target) |
 360                               (w_16 ? 0 : CCCA_8BITSELECT));
 361         else
 362                 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 363                               emu10k1_select_interprom(pitch_target) |
 364                               (w_16 ? 0 : CCCA_8BITSELECT));
 365         /* Clear filter delay memory */
 366         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 367         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 368         /* invalidate maps */
 369         silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
 370         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 371         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 372         /* modulation envelope */
 373         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 374         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 375         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 376         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 377         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 378         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 379         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 380         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 381         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 382         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 383         /* volume envelope */
 384         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 385         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 386         /* filter envelope */
 387         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 388         /* pitch envelope */
 389         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 390
 391         spin_unlock_irqrestore(&emu->reg_lock, flags);
 392 }
 393
 394 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 395                                           struct snd_pcm_hw_params *hw_params)
 396 {
 397         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 398         struct snd_pcm_runtime *runtime = substream->runtime;
 399         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 400         size_t alloc_size;
 401         int err;
 402
 403         err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params));
 404         if (err < 0)
 405                 return err;
 406
 407         alloc_size = params_buffer_bytes(hw_params);
 408         if (emu->iommu_workaround)
 409                 alloc_size += EMUPAGESIZE;
 410         err = snd_pcm_lib_malloc_pages(substream, alloc_size);
 411         if (err < 0)
 412                 return err;
 413         if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
 414                 runtime->dma_bytes -= EMUPAGESIZE;
 415         if (err > 0) {  /* change */
 416                 int mapped;
 417                 if (epcm->memblk != NULL)
 418                         snd_emu10k1_free_pages(emu, epcm->memblk);
 419                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 420                 epcm->start_addr = 0;
 421                 if (! epcm->memblk)
 422                         return -ENOMEM;
 423                 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 424                 if (mapped < 0)
 425                         return -ENOMEM;
 426                 epcm->start_addr = mapped << PAGE_SHIFT;
 427         }
 428         return 0;
 429 }
 430
 431 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 432 {
 433         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 434         struct snd_pcm_runtime *runtime = substream->runtime;
 435         struct snd_emu10k1_pcm *epcm;
 436
 437         if (runtime->private_data == NULL)
 438                 return 0;
 439         epcm = runtime->private_data;
 440         if (epcm->extra) {
 441                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 442                 epcm->extra = NULL;
 443         }
 444         if (epcm->voices[1]) {
 445                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 446                 epcm->voices[1] = NULL;
 447         }
 448         if (epcm->voices[0]) {
 449                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 450                 epcm->voices[0] = NULL;
 451         }
 452         if (epcm->memblk) {
 453                 snd_emu10k1_free_pages(emu, epcm->memblk);
 454                 epcm->memblk = NULL;
 455                 epcm->start_addr = 0;
 456         }
 457         snd_pcm_lib_free_pages(substream);
 458         return 0;
 459 }
 460
 461 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 462 {
 463         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 464         struct snd_pcm_runtime *runtime = substream->runtime;
 465         struct snd_emu10k1_pcm *epcm;
 466         int i;
 467
 468         if (runtime->private_data == NULL)
 469                 return 0;
 470         epcm = runtime->private_data;
 471         if (epcm->extra) {
 472                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 473                 epcm->extra = NULL;
 474         }
 475         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 476                 if (epcm->voices[i]) {
 477                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 478                         epcm->voices[i] = NULL;
 479                 }
 480         }
 481         if (epcm->memblk) {
 482                 snd_emu10k1_free_pages(emu, epcm->memblk);
 483                 epcm->memblk = NULL;
 484                 epcm->start_addr = 0;
 485         }
 486         snd_pcm_lib_free_pages(substream);
 487         return 0;
 488 }
 489
 490 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 491 {
 492         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 493         struct snd_pcm_runtime *runtime = substream->runtime;
 494         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 495         unsigned int start_addr, end_addr;
 496
 497         start_addr = epcm->start_addr;
 498         end_addr = snd_pcm_lib_period_bytes(substream);
 499         if (runtime->channels == 2) {
 500                 start_addr >>= 1;
 501                 end_addr >>= 1;
 502         }
 503         end_addr += start_addr;
 504         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 505                                    start_addr, end_addr, NULL);
 506         start_addr = epcm->start_addr;
 507         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 508         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 509                                    start_addr, end_addr,
 510                                    &emu->pcm_mixer[substream->number]);
 511         if (epcm->voices[1])
 512                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 513                                            start_addr, end_addr,
 514                                            &emu->pcm_mixer[substream->number]);
 515         return 0;
 516 }
 517
 518 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 519 {
 520         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 521         struct snd_pcm_runtime *runtime = substream->runtime;
 522         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 523         unsigned int start_addr, end_addr;
 524         unsigned int channel_size;
 525         int i;
 526
 527         start_addr = epcm->start_addr;
 528         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 529
 530         /*
 531          * the kX driver leaves some space between voices
 532          */
 533         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 534
 535         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 536                                    start_addr, start_addr + (channel_size / 2), NULL);
 537
 538         /* only difference with the master voice is we use it for the pointer */
 539         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 540                                    start_addr, start_addr + channel_size,
 541                                    &emu->efx_pcm_mixer[0]);
 542
 543         start_addr += channel_size;
 544         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 545                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 546                                            start_addr, start_addr + channel_size,
 547                                            &emu->efx_pcm_mixer[i]);
 548                 start_addr += channel_size;
 549         }
 550
 551         return 0;
 552 }
 553
 554 static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
 555 {
 556         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 557                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 558                                  SNDRV_PCM_INFO_RESUME |
 559                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 560         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 561         .rates =                SNDRV_PCM_RATE_48000,
 562         .rate_min =             48000,
 563         .rate_max =             48000,
 564         .channels_min =         NUM_EFX_PLAYBACK,
 565         .channels_max =         NUM_EFX_PLAYBACK,
 566         .buffer_bytes_max =     (64*1024),
 567         .period_bytes_min =     64,
 568         .period_bytes_max =     (64*1024),
 569         .periods_min =          2,
 570         .periods_max =          2,
 571         .fifo_size =            0,
 572 };
 573
 574 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 575 {
 576         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 577         struct snd_pcm_runtime *runtime = substream->runtime;
 578         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 579         int idx;
 580
 581         /* zeroing the buffer size will stop capture */
 582         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 583         switch (epcm->type) {
 584         case CAPTURE_AC97ADC:
 585                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 586                 break;
 587         case CAPTURE_EFX:
 588                 if (emu->audigy) {
 589                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 590                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 591                 } else
 592                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 593                 break;
 594         default:
 595                 break;
 596         }
 597         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 598         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 599         epcm->capture_bs_val = 0;
 600         for (idx = 0; idx < 31; idx++) {
 601                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 602                         epcm->capture_bs_val = idx + 1;
 603                         break;
 604                 }
 605         }
 606         if (epcm->capture_bs_val == 0) {
 607                 snd_BUG();
 608                 epcm->capture_bs_val++;
 609         }
 610         if (epcm->type == CAPTURE_AC97ADC) {
 611                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 612                 if (runtime->channels > 1)
 613                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 614                 epcm->capture_cr_val |= emu->audigy ?
 615                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 616                         snd_emu10k1_capture_rate_reg(runtime->rate);
 617         }
 618         return 0;
 619 }
 620
 621 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 622 {
 623         struct snd_pcm_runtime *runtime;
 624         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 625
 626         if (evoice == NULL)
 627                 return;
 628         runtime = evoice->epcm->substream->runtime;
 629         voice = evoice->number;
 630         stereo = (!extra && runtime->channels == 2);
 631         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 632         ccis = emu10k1_ccis(stereo, sample == 0);
 633         /* set cs to 2 * number of cache registers beside the invalidated */
 634         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 635         if (cs > 16) cs = 16;
 636         for (i = 0; i < cs; i++) {
 637                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 638                 if (stereo) {
 639                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 640                 }
 641         }
 642         /* reset cache */
 643         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 644         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 645         if (stereo) {
 646                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 647                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 648         }
 649         /* fill cache */
 650         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 651         if (stereo) {
 652                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 653         }
 654 }
 655
 656 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 657                                                int master, int extra,
 658                                                struct snd_emu10k1_pcm_mixer *mix)
 659 {
 660         struct snd_pcm_substream *substream;
 661         struct snd_pcm_runtime *runtime;
 662         unsigned int attn, vattn;
 663         unsigned int voice, tmp;
 664
 665         if (evoice == NULL)     /* skip second voice for mono */
 666                 return;
 667         substream = evoice->epcm->substream;
 668         runtime = substream->runtime;
 669         voice = evoice->number;
 670
 671         attn = extra ? 0 : 0x00ff;
 672         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 673         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 674         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 675         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 676         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 677         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 678         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 679 }
 680
 681 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 682 {
 683         struct snd_pcm_substream *substream;
 684         struct snd_pcm_runtime *runtime;
 685         unsigned int voice, pitch, pitch_target;
 686
 687         if (evoice == NULL)     /* skip second voice for mono */
 688                 return;
 689         substream = evoice->epcm->substream;
 690         runtime = substream->runtime;
 691         voice = evoice->number;
 692
 693         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 694         if (emu->card_capabilities->emu_model)
 695                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 696         else
 697                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 698         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 699         if (master || evoice->epcm->type == PLAYBACK_EFX)
 700                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 701         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 702         if (extra)
 703                 snd_emu10k1_voice_intr_enable(emu, voice);
 704 }
 705
 706 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 707 {
 708         unsigned int voice;
 709
 710         if (evoice == NULL)
 711                 return;
 712         voice = evoice->number;
 713         snd_emu10k1_voice_intr_disable(emu, voice);
 714         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 715         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 716         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 717         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 718         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 719         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 720 }
 721
 722 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 723                 struct snd_emu10k1_pcm *epcm,
 724                 struct snd_pcm_substream *substream,
 725                 struct snd_pcm_runtime *runtime)
 726 {
 727         unsigned int ptr, period_pos;
 728
 729         /* try to sychronize the current position for the interrupt
 730            source voice */
 731         period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 732         period_pos %= runtime->period_size;
 733         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 734         ptr &= ~0x00ffffff;
 735         ptr |= epcm->ccca_start_addr + period_pos;
 736         snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 737 }
 738
 739 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 740                                         int cmd)
 741 {
 742         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 743         struct snd_pcm_runtime *runtime = substream->runtime;
 744         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 745         struct snd_emu10k1_pcm_mixer *mix;
 746         int result = 0;
 747
 748         /*
 749         dev_dbg(emu->card->dev,
 750                 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 751                (int)emu, cmd, substream->ops->pointer(substream))
 752         */
 753         spin_lock(&emu->reg_lock);
 754         switch (cmd) {
 755         case SNDRV_PCM_TRIGGER_START:
 756                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 757                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 758                 fallthrough;
 759         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 760         case SNDRV_PCM_TRIGGER_RESUME:
 761                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 762                         snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 763                 mix = &emu->pcm_mixer[substream->number];
 764                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 765                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 766                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 767                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 768                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 769                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 770                 epcm->running = 1;
 771                 break;
 772         case SNDRV_PCM_TRIGGER_STOP:
 773         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 774         case SNDRV_PCM_TRIGGER_SUSPEND:
 775                 epcm->running = 0;
 776                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 777                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 778                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 779                 break;
 780         default:
 781                 result = -EINVAL;
 782                 break;
 783         }
 784         spin_unlock(&emu->reg_lock);
 785         return result;
 786 }
 787
 788 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 789                                        int cmd)
 790 {
 791         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 792         struct snd_pcm_runtime *runtime = substream->runtime;
 793         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 794         int result = 0;
 795
 796         spin_lock(&emu->reg_lock);
 797         switch (cmd) {
 798         case SNDRV_PCM_TRIGGER_START:
 799         case SNDRV_PCM_TRIGGER_RESUME:
 800                 /* hmm this should cause full and half full interrupt to be raised? */
 801                 outl(epcm->capture_ipr, emu->port + IPR);
 802                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 803                 /*
 804                 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
 805                        epcm->adccr, epcm->adcbs);
 806                 */
 807                 switch (epcm->type) {
 808                 case CAPTURE_AC97ADC:
 809                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 810                         break;
 811                 case CAPTURE_EFX:
 812                         if (emu->audigy) {
 813                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 814                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 815                                 dev_dbg(emu->card->dev,
 816                                         "cr_val=0x%x, cr_val2=0x%x\n",
 817                                         epcm->capture_cr_val,
 818                                         epcm->capture_cr_val2);
 819                         } else
 820                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 821                         break;
 822                 default:
 823                         break;
 824                 }
 825                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 826                 epcm->running = 1;
 827                 epcm->first_ptr = 1;
 828                 break;
 829         case SNDRV_PCM_TRIGGER_STOP:
 830         case SNDRV_PCM_TRIGGER_SUSPEND:
 831                 epcm->running = 0;
 832                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 833                 outl(epcm->capture_ipr, emu->port + IPR);
 834                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 835                 switch (epcm->type) {
 836                 case CAPTURE_AC97ADC:
 837                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 838                         break;
 839                 case CAPTURE_EFX:
 840                         if (emu->audigy) {
 841                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 842                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 843                         } else
 844                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 845                         break;
 846                 default:
 847                         break;
 848                 }
 849                 break;
 850         default:
 851                 result = -EINVAL;
 852         }
 853         spin_unlock(&emu->reg_lock);
 854         return result;
 855 }
 856
 857 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 858 {
 859         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 860         struct snd_pcm_runtime *runtime = substream->runtime;
 861         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 862         unsigned int ptr;
 863
 864         if (!epcm->running)
 865                 return 0;
 866         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 867 #if 0   /* Perex's code */
 868         ptr += runtime->buffer_size;
 869         ptr -= epcm->ccca_start_addr;
 870         ptr %= runtime->buffer_size;
 871 #else   /* EMU10K1 Open Source code from Creative */
 872         if (ptr < epcm->ccca_start_addr)
 873                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 874         else {
 875                 ptr -= epcm->ccca_start_addr;
 876                 if (ptr >= runtime->buffer_size)
 877                         ptr -= runtime->buffer_size;
 878         }
 879 #endif
 880         /*
 881         dev_dbg(emu->card->dev,
 882                "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 883                (long)ptr, (long)runtime->buffer_size,
 884                (long)runtime->period_size);
 885         */
 886         return ptr;
 887 }
 888
 889
 890 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 891                                         int cmd)
 892 {
 893         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 894         struct snd_pcm_runtime *runtime = substream->runtime;
 895         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 896         int i;
 897         int result = 0;
 898
 899         spin_lock(&emu->reg_lock);
 900         switch (cmd) {
 901         case SNDRV_PCM_TRIGGER_START:
 902                 /* prepare voices */
 903                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 904                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 905                 }
 906                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 907                 fallthrough;
 908         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 909         case SNDRV_PCM_TRIGGER_RESUME:
 910                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 911                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 912                                                    &emu->efx_pcm_mixer[0]);
 913                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 914                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 915                                                            &emu->efx_pcm_mixer[i]);
 916                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 917                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 918                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 919                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 920                 epcm->running = 1;
 921                 break;
 922         case SNDRV_PCM_TRIGGER_SUSPEND:
 923         case SNDRV_PCM_TRIGGER_STOP:
 924         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 925                 epcm->running = 0;
 926                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 927                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 928                 }
 929                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 930                 break;
 931         default:
 932                 result = -EINVAL;
 933                 break;
 934         }
 935         spin_unlock(&emu->reg_lock);
 936         return result;
 937 }
 938
 939
 940 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 941 {
 942         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 943         struct snd_pcm_runtime *runtime = substream->runtime;
 944         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 945         unsigned int ptr;
 946
 947         if (!epcm->running)
 948                 return 0;
 949         if (epcm->first_ptr) {
 950                 udelay(50);     /* hack, it takes awhile until capture is started */
 951                 epcm->first_ptr = 0;
 952         }
 953         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 954         return bytes_to_frames(runtime, ptr);
 955 }
 956
 957 /*
 958  *  Playback support device description
 959  */
 960
 961 static const struct snd_pcm_hardware snd_emu10k1_playback =
 962 {
 963         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 964                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 965                                  SNDRV_PCM_INFO_RESUME |
 966                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 967         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 968         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 969         .rate_min =             4000,
 970         .rate_max =             96000,
 971         .channels_min =         1,
 972         .channels_max =         2,
 973         .buffer_bytes_max =     (128*1024),
 974         .period_bytes_min =     64,
 975         .period_bytes_max =     (128*1024),
 976         .periods_min =          1,
 977         .periods_max =          1024,
 978         .fifo_size =            0,
 979 };
 980
 981 /*
 982  *  Capture support device description
 983  */
 984
 985 static const struct snd_pcm_hardware snd_emu10k1_capture =
 986 {
 987         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 988                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 989                                  SNDRV_PCM_INFO_RESUME |
 990                                  SNDRV_PCM_INFO_MMAP_VALID),
 991         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 992         .rates =                SNDRV_PCM_RATE_8000_48000,
 993         .rate_min =             8000,
 994         .rate_max =             48000,
 995         .channels_min =         1,
 996         .channels_max =         2,
 997         .buffer_bytes_max =     (64*1024),
 998         .period_bytes_min =     384,
 999         .period_bytes_max =     (64*1024),
1000         .periods_min =          2,
1001         .periods_max =          2,
1002         .fifo_size =            0,
1003 };
1004
1005 static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
1006 {
1007         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1008                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1009                                  SNDRV_PCM_INFO_RESUME |
1010                                  SNDRV_PCM_INFO_MMAP_VALID),
1011         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1012         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1013                                  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1014                                  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1015         .rate_min =             44100,
1016         .rate_max =             192000,
1017         .channels_min =         8,
1018         .channels_max =         8,
1019         .buffer_bytes_max =     (64*1024),
1020         .period_bytes_min =     384,
1021         .period_bytes_max =     (64*1024),
1022         .periods_min =          2,
1023         .periods_max =          2,
1024         .fifo_size =            0,
1025 };
1026
1027 /*
1028  *
1029  */
1030
1031 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1032 {
1033         struct snd_ctl_elem_id id;
1034
1035         if (! kctl)
1036                 return;
1037         if (activate)
1038                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1039         else
1040                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1041         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1042                        SNDRV_CTL_EVENT_MASK_INFO,
1043                        snd_ctl_build_ioff(&id, kctl, idx));
1044 }
1045
1046 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1047 {
1048         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1049         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1050         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1051 }
1052
1053 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1054 {
1055         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1056         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1057         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1058 }
1059
1060 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1061 {
1062         kfree(runtime->private_data);
1063 }
1064
1065 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1066 {
1067         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1068         struct snd_emu10k1_pcm_mixer *mix;
1069         int i;
1070
1071         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1072                 mix = &emu->efx_pcm_mixer[i];
1073                 mix->epcm = NULL;
1074                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1075         }
1076         return 0;
1077 }
1078
1079 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1080 {
1081         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1082         struct snd_emu10k1_pcm *epcm;
1083         struct snd_emu10k1_pcm_mixer *mix;
1084         struct snd_pcm_runtime *runtime = substream->runtime;
1085         int i;
1086
1087         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1088         if (epcm == NULL)
1089                 return -ENOMEM;
1090         epcm->emu = emu;
1091         epcm->type = PLAYBACK_EFX;
1092         epcm->substream = substream;
1093
1094         emu->pcm_playback_efx_substream = substream;
1095
1096         runtime->private_data = epcm;
1097         runtime->private_free = snd_emu10k1_pcm_free_substream;
1098         runtime->hw = snd_emu10k1_efx_playback;
1099
1100         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1101                 mix = &emu->efx_pcm_mixer[i];
1102                 mix->send_routing[0][0] = i;
1103                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1104                 mix->send_volume[0][0] = 255;
1105                 mix->attn[0] = 0xffff;
1106                 mix->epcm = epcm;
1107                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1108         }
1109         return 0;
1110 }
1111
1112 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1113 {
1114         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1115         struct snd_emu10k1_pcm *epcm;
1116         struct snd_emu10k1_pcm_mixer *mix;
1117         struct snd_pcm_runtime *runtime = substream->runtime;
1118         int i, err, sample_rate;
1119
1120         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1121         if (epcm == NULL)
1122                 return -ENOMEM;
1123         epcm->emu = emu;
1124         epcm->type = PLAYBACK_EMUVOICE;
1125         epcm->substream = substream;
1126         runtime->private_data = epcm;
1127         runtime->private_free = snd_emu10k1_pcm_free_substream;
1128         runtime->hw = snd_emu10k1_playback;
1129         err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1130         if (err < 0) {
1131                 kfree(epcm);
1132                 return err;
1133         }
1134         err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
1135         if (err < 0) {
1136                 kfree(epcm);
1137                 return err;
1138         }
1139         if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1140                 sample_rate = 44100;
1141         else
1142                 sample_rate = 48000;
1143         err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1144         if (err < 0) {
1145                 kfree(epcm);
1146                 return err;
1147         }
1148         mix = &emu->pcm_mixer[substream->number];
1149         for (i = 0; i < 4; i++)
1150                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1151         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1152         mix->send_volume[0][0] = mix->send_volume[0][1] =
1153         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1154         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1155         mix->epcm = epcm;
1156         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1157         return 0;
1158 }
1159
1160 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1161 {
1162         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1163         struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1164
1165         mix->epcm = NULL;
1166         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1167         return 0;
1168 }
1169
1170 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1171 {
1172         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1173         struct snd_pcm_runtime *runtime = substream->runtime;
1174         struct snd_emu10k1_pcm *epcm;
1175
1176         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1177         if (epcm == NULL)
1178                 return -ENOMEM;
1179         epcm->emu = emu;
1180         epcm->type = CAPTURE_AC97ADC;
1181         epcm->substream = substream;
1182         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1183         epcm->capture_inte = INTE_ADCBUFENABLE;
1184         epcm->capture_ba_reg = ADCBA;
1185         epcm->capture_bs_reg = ADCBS;
1186         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1187         runtime->private_data = epcm;
1188         runtime->private_free = snd_emu10k1_pcm_free_substream;
1189         runtime->hw = snd_emu10k1_capture;
1190         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1191         emu->pcm_capture_substream = substream;
1192         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1193         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1194         return 0;
1195 }
1196
1197 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1198 {
1199         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1200
1201         emu->capture_interrupt = NULL;
1202         emu->pcm_capture_substream = NULL;
1203         return 0;
1204 }
1205
1206 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1207 {
1208         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1209         struct snd_emu10k1_pcm *epcm;
1210         struct snd_pcm_runtime *runtime = substream->runtime;
1211
1212         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1213         if (epcm == NULL)
1214                 return -ENOMEM;
1215         epcm->emu = emu;
1216         epcm->type = CAPTURE_AC97MIC;
1217         epcm->substream = substream;
1218         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1219         epcm->capture_inte = INTE_MICBUFENABLE;
1220         epcm->capture_ba_reg = MICBA;
1221         epcm->capture_bs_reg = MICBS;
1222         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1223         substream->runtime->private_data = epcm;
1224         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1225         runtime->hw = snd_emu10k1_capture;
1226         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1227         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1228         runtime->hw.channels_min = 1;
1229         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1230         emu->pcm_capture_mic_substream = substream;
1231         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1232         return 0;
1233 }
1234
1235 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1236 {
1237         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1238
1239         emu->capture_interrupt = NULL;
1240         emu->pcm_capture_mic_substream = NULL;
1241         return 0;
1242 }
1243
1244 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1245 {
1246         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1247         struct snd_emu10k1_pcm *epcm;
1248         struct snd_pcm_runtime *runtime = substream->runtime;
1249         int nefx = emu->audigy ? 64 : 32;
1250         int idx;
1251
1252         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1253         if (epcm == NULL)
1254                 return -ENOMEM;
1255         epcm->emu = emu;
1256         epcm->type = CAPTURE_EFX;
1257         epcm->substream = substream;
1258         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1259         epcm->capture_inte = INTE_EFXBUFENABLE;
1260         epcm->capture_ba_reg = FXBA;
1261         epcm->capture_bs_reg = FXBS;
1262         epcm->capture_idx_reg = FXIDX;
1263         substream->runtime->private_data = epcm;
1264         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1265         runtime->hw = snd_emu10k1_capture_efx;
1266         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1267         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1268         spin_lock_irq(&emu->reg_lock);
1269         if (emu->card_capabilities->emu_model) {
1270                 /*  Nb. of channels has been increased to 16 */
1271                 /* TODO
1272                  * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1273                  * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1274                  * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1275                  * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1276                  * rate_min = 44100,
1277                  * rate_max = 192000,
1278                  * channels_min = 16,
1279                  * channels_max = 16,
1280                  * Need to add mixer control to fix sample rate
1281                  *
1282                  * There are 32 mono channels of 16bits each.
1283                  * 24bit Audio uses 2x channels over 16bit
1284                  * 96kHz uses 2x channels over 48kHz
1285                  * 192kHz uses 4x channels over 48kHz
1286                  * So, for 48kHz 24bit, one has 16 channels
1287                  * for 96kHz 24bit, one has 8 channels
1288                  * for 192kHz 24bit, one has 4 channels
1289                  *
1290                  */
1291 #if 1
1292                 switch (emu->emu1010.internal_clock) {
1293                 case 0:
1294                         /* For 44.1kHz */
1295                         runtime->hw.rates = SNDRV_PCM_RATE_44100;
1296                         runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1297                         runtime->hw.channels_min =
1298                                 runtime->hw.channels_max = 16;
1299                         break;
1300                 case 1:
1301                         /* For 48kHz */
1302                         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1303                         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1304                         runtime->hw.channels_min =
1305                                 runtime->hw.channels_max = 16;
1306                         break;
1307                 }
1308 #endif
1309 #if 0
1310                 /* For 96kHz */
1311                 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1312                 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1313                 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1314 #endif
1315 #if 0
1316                 /* For 192kHz */
1317                 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1318                 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1319                 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1320 #endif
1321                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1322                 /* efx_voices_mask[0] is expected to be zero
1323                  * efx_voices_mask[1] is expected to have 32bits set
1324                  */
1325         } else {
1326                 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1327                 for (idx = 0; idx < nefx; idx++) {
1328                         if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1329                                 runtime->hw.channels_min++;
1330                                 runtime->hw.channels_max++;
1331                         }
1332                 }
1333         }
1334         epcm->capture_cr_val = emu->efx_voices_mask[0];
1335         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1336         spin_unlock_irq(&emu->reg_lock);
1337         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1338         emu->pcm_capture_efx_substream = substream;
1339         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1340         return 0;
1341 }
1342
1343 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1344 {
1345         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1346
1347         emu->capture_interrupt = NULL;
1348         emu->pcm_capture_efx_substream = NULL;
1349         return 0;
1350 }
1351
1352 static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
1353         .open =                 snd_emu10k1_playback_open,
1354         .close =                snd_emu10k1_playback_close,
1355         .hw_params =            snd_emu10k1_playback_hw_params,
1356         .hw_free =              snd_emu10k1_playback_hw_free,
1357         .prepare =              snd_emu10k1_playback_prepare,
1358         .trigger =              snd_emu10k1_playback_trigger,
1359         .pointer =              snd_emu10k1_playback_pointer,
1360 };
1361
1362 static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
1363         .open =                 snd_emu10k1_capture_open,
1364         .close =                snd_emu10k1_capture_close,
1365         .prepare =              snd_emu10k1_capture_prepare,
1366         .trigger =              snd_emu10k1_capture_trigger,
1367         .pointer =              snd_emu10k1_capture_pointer,
1368 };
1369
1370 /* EFX playback */
1371 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1372         .open =                 snd_emu10k1_efx_playback_open,
1373         .close =                snd_emu10k1_efx_playback_close,
1374         .hw_params =            snd_emu10k1_playback_hw_params,
1375         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1376         .prepare =              snd_emu10k1_efx_playback_prepare,
1377         .trigger =              snd_emu10k1_efx_playback_trigger,
1378         .pointer =              snd_emu10k1_efx_playback_pointer,
1379 };
1380
1381 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
1382 {
1383         struct snd_pcm *pcm;
1384         struct snd_pcm_substream *substream;
1385         int err;
1386
1387         err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm);
1388         if (err < 0)
1389                 return err;
1390
1391         pcm->private_data = emu;
1392
1393         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1394         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1395
1396         pcm->info_flags = 0;
1397         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1398         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1399         emu->pcm = pcm;
1400
1401         /* playback substream can't use managed buffers due to alignment */
1402         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1403                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1404                                               &emu->pci->dev,
1405                                               64*1024, 64*1024);
1406
1407         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1408                 snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
1409                                            &emu->pci->dev, 64*1024, 64*1024);
1410
1411         return 0;
1412 }
1413
1414 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
1415 {
1416         struct snd_pcm *pcm;
1417         struct snd_pcm_substream *substream;
1418         int err;
1419
1420         err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm);
1421         if (err < 0)
1422                 return err;
1423
1424         pcm->private_data = emu;
1425
1426         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1427
1428         pcm->info_flags = 0;
1429         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1430         strcpy(pcm->name, "Multichannel Playback");
1431         emu->pcm_multi = pcm;
1432
1433         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1434                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1435                                               &emu->pci->dev,
1436                                               64*1024, 64*1024);
1437
1438         return 0;
1439 }
1440
1441
1442 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1443         .open =                 snd_emu10k1_capture_mic_open,
1444         .close =                snd_emu10k1_capture_mic_close,
1445         .prepare =              snd_emu10k1_capture_prepare,
1446         .trigger =              snd_emu10k1_capture_trigger,
1447         .pointer =              snd_emu10k1_capture_pointer,
1448 };
1449
1450 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
1451 {
1452         struct snd_pcm *pcm;
1453         int err;
1454
1455         err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm);
1456         if (err < 0)
1457                 return err;
1458
1459         pcm->private_data = emu;
1460
1461         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1462
1463         pcm->info_flags = 0;
1464         strcpy(pcm->name, "Mic Capture");
1465         emu->pcm_mic = pcm;
1466
1467         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
1468                                        64*1024, 64*1024);
1469
1470         return 0;
1471 }
1472
1473 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1474 {
1475         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1476         int nefx = emu->audigy ? 64 : 32;
1477         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1478         uinfo->count = nefx;
1479         uinfo->value.integer.min = 0;
1480         uinfo->value.integer.max = 1;
1481         return 0;
1482 }
1483
1484 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1485 {
1486         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1487         int nefx = emu->audigy ? 64 : 32;
1488         int idx;
1489
1490         spin_lock_irq(&emu->reg_lock);
1491         for (idx = 0; idx < nefx; idx++)
1492                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1493         spin_unlock_irq(&emu->reg_lock);
1494         return 0;
1495 }
1496
1497 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1498 {
1499         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1500         unsigned int nval[2], bits;
1501         int nefx = emu->audigy ? 64 : 32;
1502         int nefxb = emu->audigy ? 7 : 6;
1503         int change, idx;
1504
1505         nval[0] = nval[1] = 0;
1506         for (idx = 0, bits = 0; idx < nefx; idx++)
1507                 if (ucontrol->value.integer.value[idx]) {
1508                         nval[idx / 32] |= 1 << (idx % 32);
1509                         bits++;
1510                 }
1511
1512         for (idx = 0; idx < nefxb; idx++)
1513                 if (1 << idx == bits)
1514                         break;
1515
1516         if (idx >= nefxb)
1517                 return -EINVAL;
1518
1519         spin_lock_irq(&emu->reg_lock);
1520         change = (nval[0] != emu->efx_voices_mask[0]) ||
1521                 (nval[1] != emu->efx_voices_mask[1]);
1522         emu->efx_voices_mask[0] = nval[0];
1523         emu->efx_voices_mask[1] = nval[1];
1524         spin_unlock_irq(&emu->reg_lock);
1525         return change;
1526 }
1527
1528 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1529         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1530         .name = "Captured FX8010 Outputs",
1531         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1532         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1533         .put = snd_emu10k1_pcm_efx_voices_mask_put
1534 };
1535
1536 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1537         .open =                 snd_emu10k1_capture_efx_open,
1538         .close =                snd_emu10k1_capture_efx_close,
1539         .prepare =              snd_emu10k1_capture_prepare,
1540         .trigger =              snd_emu10k1_capture_trigger,
1541         .pointer =              snd_emu10k1_capture_pointer,
1542 };
1543
1544
1545 /* EFX playback */
1546
1547 #define INITIAL_TRAM_SHIFT     14
1548 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1549
1550 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1551 {
1552         struct snd_pcm_substream *substream = private_data;
1553         snd_pcm_period_elapsed(substream);
1554 }
1555
1556 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1557                                                    unsigned short *dst_right,
1558                                                    unsigned short *src,
1559                                                    unsigned int count,
1560                                                    unsigned int tram_shift)
1561 {
1562         /*
1563         dev_dbg(emu->card->dev,
1564                 "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         return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
1616                                                   fx8010_pb_trans_copy);
1617 }
1618
1619 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1620 {
1621         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1622         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1623         unsigned int i;
1624
1625         for (i = 0; i < pcm->channels; i++)
1626                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1627         return 0;
1628 }
1629
1630 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1631 {
1632         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1633         struct snd_pcm_runtime *runtime = substream->runtime;
1634         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1635         unsigned int i;
1636
1637         /*
1638         dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1639                "buffer_size = 0x%x (0x%x)\n",
1640                emu->fx8010.etram_pages, runtime->dma_area,
1641                runtime->buffer_size, runtime->buffer_size << 2);
1642         */
1643         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1644         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1645         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1646         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1647         pcm->tram_shift = 0;
1648         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1649         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1650         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1651         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1652         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1653         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1654         for (i = 0; i < pcm->channels; i++)
1655                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1656         return 0;
1657 }
1658
1659 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1660 {
1661         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1662         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1663         int result = 0;
1664
1665         spin_lock(&emu->reg_lock);
1666         switch (cmd) {
1667         case SNDRV_PCM_TRIGGER_START:
1668                 /* follow thru */
1669         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1670         case SNDRV_PCM_TRIGGER_RESUME:
1671 #ifdef EMU10K1_SET_AC3_IEC958
1672         {
1673                 int i;
1674                 for (i = 0; i < 3; i++) {
1675                         unsigned int bits;
1676                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1677                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1678                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1679                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1680                 }
1681         }
1682 #endif
1683                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1684                 if (result < 0)
1685                         goto __err;
1686                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1687                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1688                 break;
1689         case SNDRV_PCM_TRIGGER_STOP:
1690         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1691         case SNDRV_PCM_TRIGGER_SUSPEND:
1692                 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq);
1693                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1694                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1695                 pcm->tram_shift = 0;
1696                 break;
1697         default:
1698                 result = -EINVAL;
1699                 break;
1700         }
1701       __err:
1702         spin_unlock(&emu->reg_lock);
1703         return result;
1704 }
1705
1706 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1707 {
1708         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1709         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1710         size_t ptr; /* byte pointer */
1711
1712         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1713                 return 0;
1714         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1715         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1716 }
1717
1718 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1719 {
1720         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1721                                  SNDRV_PCM_INFO_RESUME |
1722                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE |
1723                                  SNDRV_PCM_INFO_SYNC_APPLPTR),
1724         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1725         .rates =                SNDRV_PCM_RATE_48000,
1726         .rate_min =             48000,
1727         .rate_max =             48000,
1728         .channels_min =         1,
1729         .channels_max =         1,
1730         .buffer_bytes_max =     (128*1024),
1731         .period_bytes_min =     1024,
1732         .period_bytes_max =     (128*1024),
1733         .periods_min =          2,
1734         .periods_max =          1024,
1735         .fifo_size =            0,
1736 };
1737
1738 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1739 {
1740         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1741         struct snd_pcm_runtime *runtime = substream->runtime;
1742         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1743
1744         runtime->hw = snd_emu10k1_fx8010_playback;
1745         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1746         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1747         spin_lock_irq(&emu->reg_lock);
1748         if (pcm->valid == 0) {
1749                 spin_unlock_irq(&emu->reg_lock);
1750                 return -ENODEV;
1751         }
1752         pcm->opened = 1;
1753         spin_unlock_irq(&emu->reg_lock);
1754         return 0;
1755 }
1756
1757 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1758 {
1759         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1760         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1761
1762         spin_lock_irq(&emu->reg_lock);
1763         pcm->opened = 0;
1764         spin_unlock_irq(&emu->reg_lock);
1765         return 0;
1766 }
1767
1768 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1769         .open =                 snd_emu10k1_fx8010_playback_open,
1770         .close =                snd_emu10k1_fx8010_playback_close,
1771         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1772         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1773         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1774         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1775         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1776 };
1777
1778 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
1779 {
1780         struct snd_pcm *pcm;
1781         struct snd_kcontrol *kctl;
1782         int err;
1783
1784         err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm);
1785         if (err < 0)
1786                 return err;
1787
1788         pcm->private_data = emu;
1789
1790         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1791         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1792
1793         pcm->info_flags = 0;
1794         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1795         emu->pcm_efx = pcm;
1796
1797         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1798          * to these
1799          */
1800
1801         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1802         if (emu->audigy) {
1803                 emu->efx_voices_mask[0] = 0;
1804                 if (emu->card_capabilities->emu_model)
1805                         /* Pavel Hofman - 32 voices will be used for
1806                          * capture (write mode) -
1807                          * each bit = corresponding voice
1808                          */
1809                         emu->efx_voices_mask[1] = 0xffffffff;
1810                 else
1811                         emu->efx_voices_mask[1] = 0xffff;
1812         } else {
1813                 emu->efx_voices_mask[0] = 0xffff0000;
1814                 emu->efx_voices_mask[1] = 0;
1815         }
1816         /* For emu1010, the control has to set 32 upper bits (voices)
1817          * out of the 64 bits (voices) to true for the 16-channels capture
1818          * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1819          * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1820          * control can override this register's value.
1821          */
1822         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1823         if (!kctl)
1824                 return -ENOMEM;
1825         kctl->id.device = device;
1826         err = snd_ctl_add(emu->card, kctl);
1827         if (err < 0)
1828                 return err;
1829
1830         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
1831                                        64*1024, 64*1024);
1832
1833         return 0;
1834 }