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         if ((epcm = voice->epcm) == NULL)
  29                 return;
  30         if (epcm->substream == NULL)
  31                 return;
  32 #if 0
  33         dev_dbg(emu->card->dev,
  34                 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  35                         epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  36                         snd_pcm_lib_period_bytes(epcm->substream),
  37                         snd_pcm_lib_buffer_bytes(epcm->substream));
  38 #endif
  39         snd_pcm_period_elapsed(epcm->substream);
  40 }
  41
  42 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
  43                                               unsigned int status)
  44 {
  45 #if 0
  46         if (status & IPR_ADCBUFHALFFULL) {
  47                 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  48                         return;
  49         }
  50 #endif
  51         snd_pcm_period_elapsed(emu->pcm_capture_substream);
  52 }
  53
  54 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
  55                                               unsigned int status)
  56 {
  57 #if 0
  58         if (status & IPR_MICBUFHALFFULL) {
  59                 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  60                         return;
  61         }
  62 #endif
  63         snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  64 }
  65
  66 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
  67                                           unsigned int status)
  68 {
  69 #if 0
  70         if (status & IPR_EFXBUFHALFFULL) {
  71                 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  72                         return;
  73         }
  74 #endif
  75         snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  76 }
  77
  78 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
  79 {
  80         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  81         struct snd_pcm_runtime *runtime = substream->runtime;
  82         struct snd_emu10k1_pcm *epcm = runtime->private_data;
  83         unsigned int ptr;
  84
  85         if (!epcm->running)
  86                 return 0;
  87         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
  88         ptr += runtime->buffer_size;
  89         ptr -= epcm->ccca_start_addr;
  90         ptr %= runtime->buffer_size;
  91
  92         return ptr;
  93 }
  94
  95 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
  96 {
  97         int err, i;
  98
  99         if (epcm->voices[1] != NULL && voices < 2) {
 100                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 101                 epcm->voices[1] = NULL;
 102         }
 103         for (i = 0; i < voices; i++) {
 104                 if (epcm->voices[i] == NULL)
 105                         break;
 106         }
 107         if (i == voices)
 108                 return 0; /* already allocated */
 109
 110         for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
 111                 if (epcm->voices[i]) {
 112                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 113                         epcm->voices[i] = NULL;
 114                 }
 115         }
 116         err = snd_emu10k1_voice_alloc(epcm->emu,
 117                                       epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 118                                       voices,
 119                                       &epcm->voices[0]);
 120
 121         if (err < 0)
 122                 return err;
 123         epcm->voices[0]->epcm = epcm;
 124         if (voices > 1) {
 125                 for (i = 1; i < voices; i++) {
 126                         epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
 127                         epcm->voices[i]->epcm = epcm;
 128                 }
 129         }
 130         if (epcm->extra == NULL) {
 131                 err = snd_emu10k1_voice_alloc(epcm->emu,
 132                                               epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 133                                               1,
 134                                               &epcm->extra);
 135                 if (err < 0) {
 136                         /*
 137                         dev_dbg(emu->card->dev, "pcm_channel_alloc: "
 138                                "failed extra: voices=%d, frame=%d\n",
 139                                voices, frame);
 140                         */
 141                         for (i = 0; i < voices; i++) {
 142                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 143                                 epcm->voices[i] = NULL;
 144                         }
 145                         return err;
 146                 }
 147                 epcm->extra->epcm = epcm;
 148                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 149         }
 150         return 0;
 151 }
 152
 153 static const unsigned int capture_period_sizes[31] = {
 154         384,    448,    512,    640,
 155         384*2,  448*2,  512*2,  640*2,
 156         384*4,  448*4,  512*4,  640*4,
 157         384*8,  448*8,  512*8,  640*8,
 158         384*16, 448*16, 512*16, 640*16,
 159         384*32, 448*32, 512*32, 640*32,
 160         384*64, 448*64, 512*64, 640*64,
 161         384*128,448*128,512*128
 162 };
 163
 164 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
 165         .count = 31,
 166         .list = capture_period_sizes,
 167         .mask = 0
 168 };
 169
 170 static const unsigned int capture_rates[8] = {
 171         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 172 };
 173
 174 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
 175         .count = 8,
 176         .list = capture_rates,
 177         .mask = 0
 178 };
 179
 180 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 181 {
 182         switch (rate) {
 183         case 8000:      return ADCCR_SAMPLERATE_8;
 184         case 11025:     return ADCCR_SAMPLERATE_11;
 185         case 16000:     return ADCCR_SAMPLERATE_16;
 186         case 22050:     return ADCCR_SAMPLERATE_22;
 187         case 24000:     return ADCCR_SAMPLERATE_24;
 188         case 32000:     return ADCCR_SAMPLERATE_32;
 189         case 44100:     return ADCCR_SAMPLERATE_44;
 190         case 48000:     return ADCCR_SAMPLERATE_48;
 191         default:
 192                         snd_BUG();
 193                         return ADCCR_SAMPLERATE_8;
 194         }
 195 }
 196
 197 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 198 {
 199         switch (rate) {
 200         case 8000:      return A_ADCCR_SAMPLERATE_8;
 201         case 11025:     return A_ADCCR_SAMPLERATE_11;
 202         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 203         case 16000:     return ADCCR_SAMPLERATE_16;
 204         case 22050:     return ADCCR_SAMPLERATE_22;
 205         case 24000:     return ADCCR_SAMPLERATE_24;
 206         case 32000:     return ADCCR_SAMPLERATE_32;
 207         case 44100:     return ADCCR_SAMPLERATE_44;
 208         case 48000:     return ADCCR_SAMPLERATE_48;
 209         default:
 210                         snd_BUG();
 211                         return A_ADCCR_SAMPLERATE_8;
 212         }
 213 }
 214
 215 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 216 {
 217         unsigned int pitch_target;
 218
 219         pitch_target = (rate << 8) / 375;
 220         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 221         return pitch_target;
 222 }
 223
 224 #define PITCH_48000 0x00004000
 225 #define PITCH_96000 0x00008000
 226 #define PITCH_85000 0x00007155
 227 #define PITCH_80726 0x00006ba2
 228 #define PITCH_67882 0x00005a82
 229 #define PITCH_57081 0x00004c1c
 230
 231 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 232 {
 233         if (pitch_target == PITCH_48000)
 234                 return CCCA_INTERPROM_0;
 235         else if (pitch_target < PITCH_48000)
 236                 return CCCA_INTERPROM_1;
 237         else if (pitch_target >= PITCH_96000)
 238                 return CCCA_INTERPROM_0;
 239         else if (pitch_target >= PITCH_85000)
 240                 return CCCA_INTERPROM_6;
 241         else if (pitch_target >= PITCH_80726)
 242                 return CCCA_INTERPROM_5;
 243         else if (pitch_target >= PITCH_67882)
 244                 return CCCA_INTERPROM_4;
 245         else if (pitch_target >= PITCH_57081)
 246                 return CCCA_INTERPROM_3;
 247         else
 248                 return CCCA_INTERPROM_2;
 249 }
 250
 251 /*
 252  * calculate cache invalidate size
 253  *
 254  * stereo: channel is stereo
 255  * w_16: using 16bit samples
 256  *
 257  * returns: cache invalidate size in samples
 258  */
 259 static inline int emu10k1_ccis(int stereo, int w_16)
 260 {
 261         if (w_16) {
 262                 return stereo ? 24 : 26;
 263         } else {
 264                 return stereo ? 24*2 : 26*2;
 265         }
 266 }
 267
 268 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
 269                                        int master, int extra,
 270                                        struct snd_emu10k1_voice *evoice,
 271                                        unsigned int start_addr,
 272                                        unsigned int end_addr,
 273                                        struct snd_emu10k1_pcm_mixer *mix)
 274 {
 275         struct snd_pcm_substream *substream = evoice->epcm->substream;
 276         struct snd_pcm_runtime *runtime = substream->runtime;
 277         unsigned int silent_page, tmp;
 278         int voice, stereo, w_16;
 279         unsigned char send_amount[8];
 280         unsigned char send_routing[8];
 281         unsigned long flags;
 282         unsigned int pitch_target;
 283         unsigned int ccis;
 284
 285         voice = evoice->number;
 286         stereo = runtime->channels == 2;
 287         w_16 = snd_pcm_format_width(runtime->format) == 16;
 288
 289         if (!extra && stereo) {
 290                 start_addr >>= 1;
 291                 end_addr >>= 1;
 292         }
 293         if (w_16) {
 294                 start_addr >>= 1;
 295                 end_addr >>= 1;
 296         }
 297
 298         spin_lock_irqsave(&emu->reg_lock, flags);
 299
 300         /* volume parameters */
 301         if (extra) {
 302                 memset(send_routing, 0, sizeof(send_routing));
 303                 send_routing[0] = 0;
 304                 send_routing[1] = 1;
 305                 send_routing[2] = 2;
 306                 send_routing[3] = 3;
 307                 memset(send_amount, 0, sizeof(send_amount));
 308         } else {
 309                 /* mono, left, right (master voice = left) */
 310                 tmp = stereo ? (master ? 1 : 2) : 0;
 311                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 312                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 313         }
 314
 315         ccis = emu10k1_ccis(stereo, w_16);
 316
 317         if (master) {
 318                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 319                 if (extra) {
 320                         start_addr += ccis;
 321                         end_addr += ccis + emu->delay_pcm_irq;
 322                 }
 323                 if (stereo && !extra) {
 324                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 325                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 326                 } else {
 327                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 328                 }
 329         }
 330
 331         /* setup routing */
 332         if (emu->audigy) {
 333                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 334                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
 335                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 336                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
 337                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 338                                       ((unsigned int)send_amount[4] << 24) |
 339                                       ((unsigned int)send_amount[5] << 16) |
 340                                       ((unsigned int)send_amount[6] << 8) |
 341                                       (unsigned int)send_amount[7]);
 342         } else
 343                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 344                                       snd_emu10k1_compose_send_routing(send_routing));
 345         /* Stop CA */
 346         /* Assumption that PT is already 0 so no harm overwriting */
 347         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 348         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 349         snd_emu10k1_ptr_write(emu, PSST, voice,
 350                         (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
 351                         (send_amount[2] << 24));
 352         if (emu->card_capabilities->emu_model)
 353                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 354         else
 355                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 356         if (extra)
 357                 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 358                               emu10k1_select_interprom(pitch_target) |
 359                               (w_16 ? 0 : CCCA_8BITSELECT));
 360         else
 361                 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 362                               emu10k1_select_interprom(pitch_target) |
 363                               (w_16 ? 0 : CCCA_8BITSELECT));
 364         /* Clear filter delay memory */
 365         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 366         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 367         /* invalidate maps */
 368         silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
 369         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 370         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 371         /* modulation envelope */
 372         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 373         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 374         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 375         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 376         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 377         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 378         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 379         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 380         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 381         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 382         /* volume envelope */
 383         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 384         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 385         /* filter envelope */
 386         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 387         /* pitch envelope */
 388         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 389
 390         spin_unlock_irqrestore(&emu->reg_lock, flags);
 391 }
 392
 393 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 394                                           struct snd_pcm_hw_params *hw_params)
 395 {
 396         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 397         struct snd_pcm_runtime *runtime = substream->runtime;
 398         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 399         size_t alloc_size;
 400         int err;
 401
 402         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 403                 return err;
 404
 405         alloc_size = params_buffer_bytes(hw_params);
 406         if (emu->iommu_workaround)
 407                 alloc_size += EMUPAGESIZE;
 408         err = snd_pcm_lib_malloc_pages(substream, alloc_size);
 409         if (err < 0)
 410                 return err;
 411         if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
 412                 runtime->dma_bytes -= EMUPAGESIZE;
 413         if (err > 0) {  /* change */
 414                 int mapped;
 415                 if (epcm->memblk != NULL)
 416                         snd_emu10k1_free_pages(emu, epcm->memblk);
 417                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 418                 epcm->start_addr = 0;
 419                 if (! epcm->memblk)
 420                         return -ENOMEM;
 421                 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 422                 if (mapped < 0)
 423                         return -ENOMEM;
 424                 epcm->start_addr = mapped << PAGE_SHIFT;
 425         }
 426         return 0;
 427 }
 428
 429 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 430 {
 431         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 432         struct snd_pcm_runtime *runtime = substream->runtime;
 433         struct snd_emu10k1_pcm *epcm;
 434
 435         if (runtime->private_data == NULL)
 436                 return 0;
 437         epcm = runtime->private_data;
 438         if (epcm->extra) {
 439                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 440                 epcm->extra = NULL;
 441         }
 442         if (epcm->voices[1]) {
 443                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 444                 epcm->voices[1] = NULL;
 445         }
 446         if (epcm->voices[0]) {
 447                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 448                 epcm->voices[0] = NULL;
 449         }
 450         if (epcm->memblk) {
 451                 snd_emu10k1_free_pages(emu, epcm->memblk);
 452                 epcm->memblk = NULL;
 453                 epcm->start_addr = 0;
 454         }
 455         snd_pcm_lib_free_pages(substream);
 456         return 0;
 457 }
 458
 459 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 460 {
 461         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 462         struct snd_pcm_runtime *runtime = substream->runtime;
 463         struct snd_emu10k1_pcm *epcm;
 464         int i;
 465
 466         if (runtime->private_data == NULL)
 467                 return 0;
 468         epcm = runtime->private_data;
 469         if (epcm->extra) {
 470                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 471                 epcm->extra = NULL;
 472         }
 473         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 474                 if (epcm->voices[i]) {
 475                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 476                         epcm->voices[i] = NULL;
 477                 }
 478         }
 479         if (epcm->memblk) {
 480                 snd_emu10k1_free_pages(emu, epcm->memblk);
 481                 epcm->memblk = NULL;
 482                 epcm->start_addr = 0;
 483         }
 484         snd_pcm_lib_free_pages(substream);
 485         return 0;
 486 }
 487
 488 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 489 {
 490         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 491         struct snd_pcm_runtime *runtime = substream->runtime;
 492         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 493         unsigned int start_addr, end_addr;
 494
 495         start_addr = epcm->start_addr;
 496         end_addr = snd_pcm_lib_period_bytes(substream);
 497         if (runtime->channels == 2) {
 498                 start_addr >>= 1;
 499                 end_addr >>= 1;
 500         }
 501         end_addr += start_addr;
 502         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 503                                    start_addr, end_addr, NULL);
 504         start_addr = epcm->start_addr;
 505         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 506         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 507                                    start_addr, end_addr,
 508                                    &emu->pcm_mixer[substream->number]);
 509         if (epcm->voices[1])
 510                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 511                                            start_addr, end_addr,
 512                                            &emu->pcm_mixer[substream->number]);
 513         return 0;
 514 }
 515
 516 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 517 {
 518         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 519         struct snd_pcm_runtime *runtime = substream->runtime;
 520         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 521         unsigned int start_addr, end_addr;
 522         unsigned int channel_size;
 523         int i;
 524
 525         start_addr = epcm->start_addr;
 526         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 527
 528         /*
 529          * the kX driver leaves some space between voices
 530          */
 531         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 532
 533         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 534                                    start_addr, start_addr + (channel_size / 2), NULL);
 535
 536         /* only difference with the master voice is we use it for the pointer */
 537         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 538                                    start_addr, start_addr + channel_size,
 539                                    &emu->efx_pcm_mixer[0]);
 540
 541         start_addr += channel_size;
 542         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 543                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 544                                            start_addr, start_addr + channel_size,
 545                                            &emu->efx_pcm_mixer[i]);
 546                 start_addr += channel_size;
 547         }
 548
 549         return 0;
 550 }
 551
 552 static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
 553 {
 554         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 555                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 556                                  SNDRV_PCM_INFO_RESUME |
 557                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 558         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 559         .rates =                SNDRV_PCM_RATE_48000,
 560         .rate_min =             48000,
 561         .rate_max =             48000,
 562         .channels_min =         NUM_EFX_PLAYBACK,
 563         .channels_max =         NUM_EFX_PLAYBACK,
 564         .buffer_bytes_max =     (64*1024),
 565         .period_bytes_min =     64,
 566         .period_bytes_max =     (64*1024),
 567         .periods_min =          2,
 568         .periods_max =          2,
 569         .fifo_size =            0,
 570 };
 571
 572 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 573 {
 574         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 575         struct snd_pcm_runtime *runtime = substream->runtime;
 576         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 577         int idx;
 578
 579         /* zeroing the buffer size will stop capture */
 580         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 581         switch (epcm->type) {
 582         case CAPTURE_AC97ADC:
 583                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 584                 break;
 585         case CAPTURE_EFX:
 586                 if (emu->audigy) {
 587                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 588                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 589                 } else
 590                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 591                 break;
 592         default:
 593                 break;
 594         }
 595         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 596         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 597         epcm->capture_bs_val = 0;
 598         for (idx = 0; idx < 31; idx++) {
 599                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 600                         epcm->capture_bs_val = idx + 1;
 601                         break;
 602                 }
 603         }
 604         if (epcm->capture_bs_val == 0) {
 605                 snd_BUG();
 606                 epcm->capture_bs_val++;
 607         }
 608         if (epcm->type == CAPTURE_AC97ADC) {
 609                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 610                 if (runtime->channels > 1)
 611                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 612                 epcm->capture_cr_val |= emu->audigy ?
 613                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 614                         snd_emu10k1_capture_rate_reg(runtime->rate);
 615         }
 616         return 0;
 617 }
 618
 619 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 620 {
 621         struct snd_pcm_runtime *runtime;
 622         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 623
 624         if (evoice == NULL)
 625                 return;
 626         runtime = evoice->epcm->substream->runtime;
 627         voice = evoice->number;
 628         stereo = (!extra && runtime->channels == 2);
 629         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 630         ccis = emu10k1_ccis(stereo, sample == 0);
 631         /* set cs to 2 * number of cache registers beside the invalidated */
 632         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 633         if (cs > 16) cs = 16;
 634         for (i = 0; i < cs; i++) {
 635                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 636                 if (stereo) {
 637                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 638                 }
 639         }
 640         /* reset cache */
 641         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 642         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 643         if (stereo) {
 644                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 645                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 646         }
 647         /* fill cache */
 648         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 649         if (stereo) {
 650                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 651         }
 652 }
 653
 654 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 655                                                int master, int extra,
 656                                                struct snd_emu10k1_pcm_mixer *mix)
 657 {
 658         struct snd_pcm_substream *substream;
 659         struct snd_pcm_runtime *runtime;
 660         unsigned int attn, vattn;
 661         unsigned int voice, tmp;
 662
 663         if (evoice == NULL)     /* skip second voice for mono */
 664                 return;
 665         substream = evoice->epcm->substream;
 666         runtime = substream->runtime;
 667         voice = evoice->number;
 668
 669         attn = extra ? 0 : 0x00ff;
 670         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 671         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 672         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 673         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 674         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 675         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 676         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 677 }
 678
 679 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 680 {
 681         struct snd_pcm_substream *substream;
 682         struct snd_pcm_runtime *runtime;
 683         unsigned int voice, pitch, pitch_target;
 684
 685         if (evoice == NULL)     /* skip second voice for mono */
 686                 return;
 687         substream = evoice->epcm->substream;
 688         runtime = substream->runtime;
 689         voice = evoice->number;
 690
 691         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 692         if (emu->card_capabilities->emu_model)
 693                 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 694         else
 695                 pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 696         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 697         if (master || evoice->epcm->type == PLAYBACK_EFX)
 698                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 699         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 700         if (extra)
 701                 snd_emu10k1_voice_intr_enable(emu, voice);
 702 }
 703
 704 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 705 {
 706         unsigned int voice;
 707
 708         if (evoice == NULL)
 709                 return;
 710         voice = evoice->number;
 711         snd_emu10k1_voice_intr_disable(emu, voice);
 712         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 713         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 714         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 715         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 716         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 717         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 718 }
 719
 720 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 721                 struct snd_emu10k1_pcm *epcm,
 722                 struct snd_pcm_substream *substream,
 723                 struct snd_pcm_runtime *runtime)
 724 {
 725         unsigned int ptr, period_pos;
 726
 727         /* try to sychronize the current position for the interrupt
 728            source voice */
 729         period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 730         period_pos %= runtime->period_size;
 731         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 732         ptr &= ~0x00ffffff;
 733         ptr |= epcm->ccca_start_addr + period_pos;
 734         snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 735 }
 736
 737 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 738                                         int cmd)
 739 {
 740         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 741         struct snd_pcm_runtime *runtime = substream->runtime;
 742         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 743         struct snd_emu10k1_pcm_mixer *mix;
 744         int result = 0;
 745
 746         /*
 747         dev_dbg(emu->card->dev,
 748                 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 749                (int)emu, cmd, substream->ops->pointer(substream))
 750         */
 751         spin_lock(&emu->reg_lock);
 752         switch (cmd) {
 753         case SNDRV_PCM_TRIGGER_START:
 754                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 755                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 756                 fallthrough;
 757         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 758         case SNDRV_PCM_TRIGGER_RESUME:
 759                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 760                         snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 761                 mix = &emu->pcm_mixer[substream->number];
 762                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 763                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 764                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 765                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 766                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 767                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 768                 epcm->running = 1;
 769                 break;
 770         case SNDRV_PCM_TRIGGER_STOP:
 771         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 772         case SNDRV_PCM_TRIGGER_SUSPEND:
 773                 epcm->running = 0;
 774                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 775                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 776                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 777                 break;
 778         default:
 779                 result = -EINVAL;
 780                 break;
 781         }
 782         spin_unlock(&emu->reg_lock);
 783         return result;
 784 }
 785
 786 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 787                                        int cmd)
 788 {
 789         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 790         struct snd_pcm_runtime *runtime = substream->runtime;
 791         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 792         int result = 0;
 793
 794         spin_lock(&emu->reg_lock);
 795         switch (cmd) {
 796         case SNDRV_PCM_TRIGGER_START:
 797         case SNDRV_PCM_TRIGGER_RESUME:
 798                 /* hmm this should cause full and half full interrupt to be raised? */
 799                 outl(epcm->capture_ipr, emu->port + IPR);
 800                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 801                 /*
 802                 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
 803                        epcm->adccr, epcm->adcbs);
 804                 */
 805                 switch (epcm->type) {
 806                 case CAPTURE_AC97ADC:
 807                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 808                         break;
 809                 case CAPTURE_EFX:
 810                         if (emu->audigy) {
 811                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 812                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 813                                 dev_dbg(emu->card->dev,
 814                                         "cr_val=0x%x, cr_val2=0x%x\n",
 815                                         epcm->capture_cr_val,
 816                                         epcm->capture_cr_val2);
 817                         } else
 818                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 819                         break;
 820                 default:
 821                         break;
 822                 }
 823                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 824                 epcm->running = 1;
 825                 epcm->first_ptr = 1;
 826                 break;
 827         case SNDRV_PCM_TRIGGER_STOP:
 828         case SNDRV_PCM_TRIGGER_SUSPEND:
 829                 epcm->running = 0;
 830                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 831                 outl(epcm->capture_ipr, emu->port + IPR);
 832                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 833                 switch (epcm->type) {
 834                 case CAPTURE_AC97ADC:
 835                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 836                         break;
 837                 case CAPTURE_EFX:
 838                         if (emu->audigy) {
 839                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 840                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 841                         } else
 842                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 843                         break;
 844                 default:
 845                         break;
 846                 }
 847                 break;
 848         default:
 849                 result = -EINVAL;
 850         }
 851         spin_unlock(&emu->reg_lock);
 852         return result;
 853 }
 854
 855 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 856 {
 857         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 858         struct snd_pcm_runtime *runtime = substream->runtime;
 859         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 860         unsigned int ptr;
 861
 862         if (!epcm->running)
 863                 return 0;
 864         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 865 #if 0   /* Perex's code */
 866         ptr += runtime->buffer_size;
 867         ptr -= epcm->ccca_start_addr;
 868         ptr %= runtime->buffer_size;
 869 #else   /* EMU10K1 Open Source code from Creative */
 870         if (ptr < epcm->ccca_start_addr)
 871                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 872         else {
 873                 ptr -= epcm->ccca_start_addr;
 874                 if (ptr >= runtime->buffer_size)
 875                         ptr -= runtime->buffer_size;
 876         }
 877 #endif
 878         /*
 879         dev_dbg(emu->card->dev,
 880                "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 881                (long)ptr, (long)runtime->buffer_size,
 882                (long)runtime->period_size);
 883         */
 884         return ptr;
 885 }
 886
 887
 888 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 889                                         int cmd)
 890 {
 891         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 892         struct snd_pcm_runtime *runtime = substream->runtime;
 893         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 894         int i;
 895         int result = 0;
 896
 897         spin_lock(&emu->reg_lock);
 898         switch (cmd) {
 899         case SNDRV_PCM_TRIGGER_START:
 900                 /* prepare voices */
 901                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 902                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 903                 }
 904                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 905                 fallthrough;
 906         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 907         case SNDRV_PCM_TRIGGER_RESUME:
 908                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 909                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 910                                                    &emu->efx_pcm_mixer[0]);
 911                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 912                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 913                                                            &emu->efx_pcm_mixer[i]);
 914                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 915                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 916                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 917                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 918                 epcm->running = 1;
 919                 break;
 920         case SNDRV_PCM_TRIGGER_SUSPEND:
 921         case SNDRV_PCM_TRIGGER_STOP:
 922         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 923                 epcm->running = 0;
 924                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 925                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 926                 }
 927                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 928                 break;
 929         default:
 930                 result = -EINVAL;
 931                 break;
 932         }
 933         spin_unlock(&emu->reg_lock);
 934         return result;
 935 }
 936
 937
 938 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 939 {
 940         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 941         struct snd_pcm_runtime *runtime = substream->runtime;
 942         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 943         unsigned int ptr;
 944
 945         if (!epcm->running)
 946                 return 0;
 947         if (epcm->first_ptr) {
 948                 udelay(50);     /* hack, it takes awhile until capture is started */
 949                 epcm->first_ptr = 0;
 950         }
 951         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 952         return bytes_to_frames(runtime, ptr);
 953 }
 954
 955 /*
 956  *  Playback support device description
 957  */
 958
 959 static const struct snd_pcm_hardware snd_emu10k1_playback =
 960 {
 961         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 962                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 963                                  SNDRV_PCM_INFO_RESUME |
 964                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 965         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 966         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 967         .rate_min =             4000,
 968         .rate_max =             96000,
 969         .channels_min =         1,
 970         .channels_max =         2,
 971         .buffer_bytes_max =     (128*1024),
 972         .period_bytes_min =     64,
 973         .period_bytes_max =     (128*1024),
 974         .periods_min =          1,
 975         .periods_max =          1024,
 976         .fifo_size =            0,
 977 };
 978
 979 /*
 980  *  Capture support device description
 981  */
 982
 983 static const struct snd_pcm_hardware snd_emu10k1_capture =
 984 {
 985         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 986                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 987                                  SNDRV_PCM_INFO_RESUME |
 988                                  SNDRV_PCM_INFO_MMAP_VALID),
 989         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 990         .rates =                SNDRV_PCM_RATE_8000_48000,
 991         .rate_min =             8000,
 992         .rate_max =             48000,
 993         .channels_min =         1,
 994         .channels_max =         2,
 995         .buffer_bytes_max =     (64*1024),
 996         .period_bytes_min =     384,
 997         .period_bytes_max =     (64*1024),
 998         .periods_min =          2,
 999         .periods_max =          2,
1000         .fifo_size =            0,
1001 };
1002
1003 static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
1004 {
1005         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1006                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1007                                  SNDRV_PCM_INFO_RESUME |
1008                                  SNDRV_PCM_INFO_MMAP_VALID),
1009         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1010         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1011                                  SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1012                                  SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1013         .rate_min =             44100,
1014         .rate_max =             192000,
1015         .channels_min =         8,
1016         .channels_max =         8,
1017         .buffer_bytes_max =     (64*1024),
1018         .period_bytes_min =     384,
1019         .period_bytes_max =     (64*1024),
1020         .periods_min =          2,
1021         .periods_max =          2,
1022         .fifo_size =            0,
1023 };
1024
1025 /*
1026  *
1027  */
1028
1029 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1030 {
1031         struct snd_ctl_elem_id id;
1032
1033         if (! kctl)
1034                 return;
1035         if (activate)
1036                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1037         else
1038                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1039         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1040                        SNDRV_CTL_EVENT_MASK_INFO,
1041                        snd_ctl_build_ioff(&id, kctl, idx));
1042 }
1043
1044 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1045 {
1046         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1047         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1048         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1049 }
1050
1051 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1052 {
1053         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1054         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1055         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1056 }
1057
1058 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1059 {
1060         kfree(runtime->private_data);
1061 }
1062
1063 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1064 {
1065         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1066         struct snd_emu10k1_pcm_mixer *mix;
1067         int i;
1068
1069         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1070                 mix = &emu->efx_pcm_mixer[i];
1071                 mix->epcm = NULL;
1072                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1073         }
1074         return 0;
1075 }
1076
1077 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1078 {
1079         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1080         struct snd_emu10k1_pcm *epcm;
1081         struct snd_emu10k1_pcm_mixer *mix;
1082         struct snd_pcm_runtime *runtime = substream->runtime;
1083         int i;
1084
1085         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1086         if (epcm == NULL)
1087                 return -ENOMEM;
1088         epcm->emu = emu;
1089         epcm->type = PLAYBACK_EFX;
1090         epcm->substream = substream;
1091
1092         emu->pcm_playback_efx_substream = substream;
1093
1094         runtime->private_data = epcm;
1095         runtime->private_free = snd_emu10k1_pcm_free_substream;
1096         runtime->hw = snd_emu10k1_efx_playback;
1097
1098         for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1099                 mix = &emu->efx_pcm_mixer[i];
1100                 mix->send_routing[0][0] = i;
1101                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1102                 mix->send_volume[0][0] = 255;
1103                 mix->attn[0] = 0xffff;
1104                 mix->epcm = epcm;
1105                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1106         }
1107         return 0;
1108 }
1109
1110 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1111 {
1112         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1113         struct snd_emu10k1_pcm *epcm;
1114         struct snd_emu10k1_pcm_mixer *mix;
1115         struct snd_pcm_runtime *runtime = substream->runtime;
1116         int i, err, sample_rate;
1117
1118         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1119         if (epcm == NULL)
1120                 return -ENOMEM;
1121         epcm->emu = emu;
1122         epcm->type = PLAYBACK_EMUVOICE;
1123         epcm->substream = substream;
1124         runtime->private_data = epcm;
1125         runtime->private_free = snd_emu10k1_pcm_free_substream;
1126         runtime->hw = snd_emu10k1_playback;
1127         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1128                 kfree(epcm);
1129                 return err;
1130         }
1131         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1132                 kfree(epcm);
1133                 return err;
1134         }
1135         if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1136                 sample_rate = 44100;
1137         else
1138                 sample_rate = 48000;
1139         err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1140         if (err < 0) {
1141                 kfree(epcm);
1142                 return err;
1143         }
1144         mix = &emu->pcm_mixer[substream->number];
1145         for (i = 0; i < 4; i++)
1146                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1147         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1148         mix->send_volume[0][0] = mix->send_volume[0][1] =
1149         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1150         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1151         mix->epcm = epcm;
1152         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1153         return 0;
1154 }
1155
1156 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1157 {
1158         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1159         struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1160
1161         mix->epcm = NULL;
1162         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1163         return 0;
1164 }
1165
1166 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1167 {
1168         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1169         struct snd_pcm_runtime *runtime = substream->runtime;
1170         struct snd_emu10k1_pcm *epcm;
1171
1172         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1173         if (epcm == NULL)
1174                 return -ENOMEM;
1175         epcm->emu = emu;
1176         epcm->type = CAPTURE_AC97ADC;
1177         epcm->substream = substream;
1178         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1179         epcm->capture_inte = INTE_ADCBUFENABLE;
1180         epcm->capture_ba_reg = ADCBA;
1181         epcm->capture_bs_reg = ADCBS;
1182         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1183         runtime->private_data = epcm;
1184         runtime->private_free = snd_emu10k1_pcm_free_substream;
1185         runtime->hw = snd_emu10k1_capture;
1186         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1187         emu->pcm_capture_substream = substream;
1188         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1189         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1190         return 0;
1191 }
1192
1193 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1194 {
1195         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1196
1197         emu->capture_interrupt = NULL;
1198         emu->pcm_capture_substream = NULL;
1199         return 0;
1200 }
1201
1202 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1203 {
1204         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1205         struct snd_emu10k1_pcm *epcm;
1206         struct snd_pcm_runtime *runtime = substream->runtime;
1207
1208         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1209         if (epcm == NULL)
1210                 return -ENOMEM;
1211         epcm->emu = emu;
1212         epcm->type = CAPTURE_AC97MIC;
1213         epcm->substream = substream;
1214         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1215         epcm->capture_inte = INTE_MICBUFENABLE;
1216         epcm->capture_ba_reg = MICBA;
1217         epcm->capture_bs_reg = MICBS;
1218         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1219         substream->runtime->private_data = epcm;
1220         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1221         runtime->hw = snd_emu10k1_capture;
1222         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1223         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1224         runtime->hw.channels_min = 1;
1225         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1226         emu->pcm_capture_mic_substream = substream;
1227         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1228         return 0;
1229 }
1230
1231 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1232 {
1233         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1234
1235         emu->capture_interrupt = NULL;
1236         emu->pcm_capture_mic_substream = NULL;
1237         return 0;
1238 }
1239
1240 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1241 {
1242         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1243         struct snd_emu10k1_pcm *epcm;
1244         struct snd_pcm_runtime *runtime = substream->runtime;
1245         int nefx = emu->audigy ? 64 : 32;
1246         int idx;
1247
1248         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1249         if (epcm == NULL)
1250                 return -ENOMEM;
1251         epcm->emu = emu;
1252         epcm->type = CAPTURE_EFX;
1253         epcm->substream = substream;
1254         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1255         epcm->capture_inte = INTE_EFXBUFENABLE;
1256         epcm->capture_ba_reg = FXBA;
1257         epcm->capture_bs_reg = FXBS;
1258         epcm->capture_idx_reg = FXIDX;
1259         substream->runtime->private_data = epcm;
1260         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1261         runtime->hw = snd_emu10k1_capture_efx;
1262         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1263         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1264         spin_lock_irq(&emu->reg_lock);
1265         if (emu->card_capabilities->emu_model) {
1266                 /*  Nb. of channels has been increased to 16 */
1267                 /* TODO
1268                  * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1269                  * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1270                  * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1271                  * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1272                  * rate_min = 44100,
1273                  * rate_max = 192000,
1274                  * channels_min = 16,
1275                  * channels_max = 16,
1276                  * Need to add mixer control to fix sample rate
1277                  *
1278                  * There are 32 mono channels of 16bits each.
1279                  * 24bit Audio uses 2x channels over 16bit
1280                  * 96kHz uses 2x channels over 48kHz
1281                  * 192kHz uses 4x channels over 48kHz
1282                  * So, for 48kHz 24bit, one has 16 channels
1283                  * for 96kHz 24bit, one has 8 channels
1284                  * for 192kHz 24bit, one has 4 channels
1285                  *
1286                  */
1287 #if 1
1288                 switch (emu->emu1010.internal_clock) {
1289                 case 0:
1290                         /* For 44.1kHz */
1291                         runtime->hw.rates = SNDRV_PCM_RATE_44100;
1292                         runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1293                         runtime->hw.channels_min =
1294                                 runtime->hw.channels_max = 16;
1295                         break;
1296                 case 1:
1297                         /* For 48kHz */
1298                         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1299                         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1300                         runtime->hw.channels_min =
1301                                 runtime->hw.channels_max = 16;
1302                         break;
1303                 }
1304 #endif
1305 #if 0
1306                 /* For 96kHz */
1307                 runtime->hw.rates = SNDRV_PCM_RATE_96000;
1308                 runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1309                 runtime->hw.channels_min = runtime->hw.channels_max = 4;
1310 #endif
1311 #if 0
1312                 /* For 192kHz */
1313                 runtime->hw.rates = SNDRV_PCM_RATE_192000;
1314                 runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1315                 runtime->hw.channels_min = runtime->hw.channels_max = 2;
1316 #endif
1317                 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1318                 /* efx_voices_mask[0] is expected to be zero
1319                  * efx_voices_mask[1] is expected to have 32bits set
1320                  */
1321         } else {
1322                 runtime->hw.channels_min = runtime->hw.channels_max = 0;
1323                 for (idx = 0; idx < nefx; idx++) {
1324                         if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1325                                 runtime->hw.channels_min++;
1326                                 runtime->hw.channels_max++;
1327                         }
1328                 }
1329         }
1330         epcm->capture_cr_val = emu->efx_voices_mask[0];
1331         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1332         spin_unlock_irq(&emu->reg_lock);
1333         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1334         emu->pcm_capture_efx_substream = substream;
1335         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1336         return 0;
1337 }
1338
1339 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1340 {
1341         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1342
1343         emu->capture_interrupt = NULL;
1344         emu->pcm_capture_efx_substream = NULL;
1345         return 0;
1346 }
1347
1348 static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
1349         .open =                 snd_emu10k1_playback_open,
1350         .close =                snd_emu10k1_playback_close,
1351         .hw_params =            snd_emu10k1_playback_hw_params,
1352         .hw_free =              snd_emu10k1_playback_hw_free,
1353         .prepare =              snd_emu10k1_playback_prepare,
1354         .trigger =              snd_emu10k1_playback_trigger,
1355         .pointer =              snd_emu10k1_playback_pointer,
1356 };
1357
1358 static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
1359         .open =                 snd_emu10k1_capture_open,
1360         .close =                snd_emu10k1_capture_close,
1361         .prepare =              snd_emu10k1_capture_prepare,
1362         .trigger =              snd_emu10k1_capture_trigger,
1363         .pointer =              snd_emu10k1_capture_pointer,
1364 };
1365
1366 /* EFX playback */
1367 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1368         .open =                 snd_emu10k1_efx_playback_open,
1369         .close =                snd_emu10k1_efx_playback_close,
1370         .hw_params =            snd_emu10k1_playback_hw_params,
1371         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1372         .prepare =              snd_emu10k1_efx_playback_prepare,
1373         .trigger =              snd_emu10k1_efx_playback_trigger,
1374         .pointer =              snd_emu10k1_efx_playback_pointer,
1375 };
1376
1377 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
1378 {
1379         struct snd_pcm *pcm;
1380         struct snd_pcm_substream *substream;
1381         int err;
1382
1383         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1384                 return err;
1385
1386         pcm->private_data = emu;
1387
1388         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1389         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1390
1391         pcm->info_flags = 0;
1392         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1393         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1394         emu->pcm = pcm;
1395
1396         /* playback substream can't use managed buffers due to alignment */
1397         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1398                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1399                                               &emu->pci->dev,
1400                                               64*1024, 64*1024);
1401
1402         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1403                 snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
1404                                            &emu->pci->dev, 64*1024, 64*1024);
1405
1406         return 0;
1407 }
1408
1409 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
1410 {
1411         struct snd_pcm *pcm;
1412         struct snd_pcm_substream *substream;
1413         int err;
1414
1415         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1416                 return err;
1417
1418         pcm->private_data = emu;
1419
1420         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1421
1422         pcm->info_flags = 0;
1423         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1424         strcpy(pcm->name, "Multichannel Playback");
1425         emu->pcm_multi = pcm;
1426
1427         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1428                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1429                                               &emu->pci->dev,
1430                                               64*1024, 64*1024);
1431
1432         return 0;
1433 }
1434
1435
1436 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1437         .open =                 snd_emu10k1_capture_mic_open,
1438         .close =                snd_emu10k1_capture_mic_close,
1439         .prepare =              snd_emu10k1_capture_prepare,
1440         .trigger =              snd_emu10k1_capture_trigger,
1441         .pointer =              snd_emu10k1_capture_pointer,
1442 };
1443
1444 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
1445 {
1446         struct snd_pcm *pcm;
1447         int err;
1448
1449         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1450                 return err;
1451
1452         pcm->private_data = emu;
1453
1454         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1455
1456         pcm->info_flags = 0;
1457         strcpy(pcm->name, "Mic Capture");
1458         emu->pcm_mic = pcm;
1459
1460         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
1461                                        64*1024, 64*1024);
1462
1463         return 0;
1464 }
1465
1466 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1467 {
1468         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1469         int nefx = emu->audigy ? 64 : 32;
1470         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1471         uinfo->count = nefx;
1472         uinfo->value.integer.min = 0;
1473         uinfo->value.integer.max = 1;
1474         return 0;
1475 }
1476
1477 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1478 {
1479         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1480         int nefx = emu->audigy ? 64 : 32;
1481         int idx;
1482
1483         spin_lock_irq(&emu->reg_lock);
1484         for (idx = 0; idx < nefx; idx++)
1485                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1486         spin_unlock_irq(&emu->reg_lock);
1487         return 0;
1488 }
1489
1490 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1491 {
1492         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1493         unsigned int nval[2], bits;
1494         int nefx = emu->audigy ? 64 : 32;
1495         int nefxb = emu->audigy ? 7 : 6;
1496         int change, idx;
1497
1498         nval[0] = nval[1] = 0;
1499         for (idx = 0, bits = 0; idx < nefx; idx++)
1500                 if (ucontrol->value.integer.value[idx]) {
1501                         nval[idx / 32] |= 1 << (idx % 32);
1502                         bits++;
1503                 }
1504
1505         for (idx = 0; idx < nefxb; idx++)
1506                 if (1 << idx == bits)
1507                         break;
1508
1509         if (idx >= nefxb)
1510                 return -EINVAL;
1511
1512         spin_lock_irq(&emu->reg_lock);
1513         change = (nval[0] != emu->efx_voices_mask[0]) ||
1514                 (nval[1] != emu->efx_voices_mask[1]);
1515         emu->efx_voices_mask[0] = nval[0];
1516         emu->efx_voices_mask[1] = nval[1];
1517         spin_unlock_irq(&emu->reg_lock);
1518         return change;
1519 }
1520
1521 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1522         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1523         .name = "Captured FX8010 Outputs",
1524         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1525         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1526         .put = snd_emu10k1_pcm_efx_voices_mask_put
1527 };
1528
1529 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1530         .open =                 snd_emu10k1_capture_efx_open,
1531         .close =                snd_emu10k1_capture_efx_close,
1532         .prepare =              snd_emu10k1_capture_prepare,
1533         .trigger =              snd_emu10k1_capture_trigger,
1534         .pointer =              snd_emu10k1_capture_pointer,
1535 };
1536
1537
1538 /* EFX playback */
1539
1540 #define INITIAL_TRAM_SHIFT     14
1541 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1542
1543 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1544 {
1545         struct snd_pcm_substream *substream = private_data;
1546         snd_pcm_period_elapsed(substream);
1547 }
1548
1549 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1550                                                    unsigned short *dst_right,
1551                                                    unsigned short *src,
1552                                                    unsigned int count,
1553                                                    unsigned int tram_shift)
1554 {
1555         /*
1556         dev_dbg(emu->card->dev,
1557                 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1558                "src = 0x%p, count = 0x%x\n",
1559                dst_left, dst_right, src, count);
1560         */
1561         if ((tram_shift & 1) == 0) {
1562                 while (count--) {
1563                         *dst_left-- = *src++;
1564                         *dst_right-- = *src++;
1565                 }
1566         } else {
1567                 while (count--) {
1568                         *dst_right-- = *src++;
1569                         *dst_left-- = *src++;
1570                 }
1571         }
1572 }
1573
1574 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1575                                  struct snd_pcm_indirect *rec, size_t bytes)
1576 {
1577         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1578         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1579         unsigned int tram_size = pcm->buffer_size;
1580         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1581         unsigned int frames = bytes >> 2, count;
1582         unsigned int tram_pos = pcm->tram_pos;
1583         unsigned int tram_shift = pcm->tram_shift;
1584
1585         while (frames > tram_pos) {
1586                 count = tram_pos + 1;
1587                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1588                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1589                                                        src, count, tram_shift);
1590                 src += count * 2;
1591                 frames -= count;
1592                 tram_pos = (tram_size / 2) - 1;
1593                 tram_shift++;
1594         }
1595         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1596                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1597                                                src, frames, tram_shift);
1598         tram_pos -= frames;
1599         pcm->tram_pos = tram_pos;
1600         pcm->tram_shift = tram_shift;
1601 }
1602
1603 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1604 {
1605         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1606         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1607
1608         return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
1609                                                   fx8010_pb_trans_copy);
1610 }
1611
1612 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1613 {
1614         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1615         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1616         unsigned int i;
1617
1618         for (i = 0; i < pcm->channels; i++)
1619                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1620         return 0;
1621 }
1622
1623 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1624 {
1625         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1626         struct snd_pcm_runtime *runtime = substream->runtime;
1627         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1628         unsigned int i;
1629
1630         /*
1631         dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1632                "buffer_size = 0x%x (0x%x)\n",
1633                emu->fx8010.etram_pages, runtime->dma_area,
1634                runtime->buffer_size, runtime->buffer_size << 2);
1635         */
1636         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1637         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1638         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1639         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1640         pcm->tram_shift = 0;
1641         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1642         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1643         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1644         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1645         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1646         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1647         for (i = 0; i < pcm->channels; i++)
1648                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1649         return 0;
1650 }
1651
1652 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1653 {
1654         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1655         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1656         int result = 0;
1657
1658         spin_lock(&emu->reg_lock);
1659         switch (cmd) {
1660         case SNDRV_PCM_TRIGGER_START:
1661                 /* follow thru */
1662         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1663         case SNDRV_PCM_TRIGGER_RESUME:
1664 #ifdef EMU10K1_SET_AC3_IEC958
1665         {
1666                 int i;
1667                 for (i = 0; i < 3; i++) {
1668                         unsigned int bits;
1669                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1670                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1671                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1672                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1673                 }
1674         }
1675 #endif
1676                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1677                 if (result < 0)
1678                         goto __err;
1679                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1680                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1681                 break;
1682         case SNDRV_PCM_TRIGGER_STOP:
1683         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1684         case SNDRV_PCM_TRIGGER_SUSPEND:
1685                 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq);
1686                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1687                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1688                 pcm->tram_shift = 0;
1689                 break;
1690         default:
1691                 result = -EINVAL;
1692                 break;
1693         }
1694       __err:
1695         spin_unlock(&emu->reg_lock);
1696         return result;
1697 }
1698
1699 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1700 {
1701         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1702         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1703         size_t ptr; /* byte pointer */
1704
1705         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1706                 return 0;
1707         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1708         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1709 }
1710
1711 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1712 {
1713         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1714                                  SNDRV_PCM_INFO_RESUME |
1715                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE |
1716                                  SNDRV_PCM_INFO_SYNC_APPLPTR),
1717         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1718         .rates =                SNDRV_PCM_RATE_48000,
1719         .rate_min =             48000,
1720         .rate_max =             48000,
1721         .channels_min =         1,
1722         .channels_max =         1,
1723         .buffer_bytes_max =     (128*1024),
1724         .period_bytes_min =     1024,
1725         .period_bytes_max =     (128*1024),
1726         .periods_min =          2,
1727         .periods_max =          1024,
1728         .fifo_size =            0,
1729 };
1730
1731 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1732 {
1733         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1734         struct snd_pcm_runtime *runtime = substream->runtime;
1735         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1736
1737         runtime->hw = snd_emu10k1_fx8010_playback;
1738         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1739         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1740         spin_lock_irq(&emu->reg_lock);
1741         if (pcm->valid == 0) {
1742                 spin_unlock_irq(&emu->reg_lock);
1743                 return -ENODEV;
1744         }
1745         pcm->opened = 1;
1746         spin_unlock_irq(&emu->reg_lock);
1747         return 0;
1748 }
1749
1750 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1751 {
1752         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1753         struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1754
1755         spin_lock_irq(&emu->reg_lock);
1756         pcm->opened = 0;
1757         spin_unlock_irq(&emu->reg_lock);
1758         return 0;
1759 }
1760
1761 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1762         .open =                 snd_emu10k1_fx8010_playback_open,
1763         .close =                snd_emu10k1_fx8010_playback_close,
1764         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1765         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1766         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1767         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1768         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1769 };
1770
1771 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
1772 {
1773         struct snd_pcm *pcm;
1774         struct snd_kcontrol *kctl;
1775         int err;
1776
1777         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1778                 return err;
1779
1780         pcm->private_data = emu;
1781
1782         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1783         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1784
1785         pcm->info_flags = 0;
1786         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1787         emu->pcm_efx = pcm;
1788
1789         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1790          * to these
1791          */
1792
1793         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1794         if (emu->audigy) {
1795                 emu->efx_voices_mask[0] = 0;
1796                 if (emu->card_capabilities->emu_model)
1797                         /* Pavel Hofman - 32 voices will be used for
1798                          * capture (write mode) -
1799                          * each bit = corresponding voice
1800                          */
1801                         emu->efx_voices_mask[1] = 0xffffffff;
1802                 else
1803                         emu->efx_voices_mask[1] = 0xffff;
1804         } else {
1805                 emu->efx_voices_mask[0] = 0xffff0000;
1806                 emu->efx_voices_mask[1] = 0;
1807         }
1808         /* For emu1010, the control has to set 32 upper bits (voices)
1809          * out of the 64 bits (voices) to true for the 16-channels capture
1810          * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1811          * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1812          * control can override this register's value.
1813          */
1814         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1815         if (!kctl)
1816                 return -ENOMEM;
1817         kctl->id.device = device;
1818         err = snd_ctl_add(emu->card, kctl);
1819         if (err < 0)
1820                 return err;
1821
1822         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
1823                                        64*1024, 64*1024);
1824
1825         return 0;
1826 }