linux/sound/pci/emu10k1/emupcm.c
<<
>>
Prefs
   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
  23static 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
  42static 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
  54static 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
  66static 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
  78static 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
  95static 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
 153static 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
 164static 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
 170static const unsigned int capture_rates[8] = {
 171        8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 172};
 173
 174static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
 175        .count = 8,
 176        .list = capture_rates,
 177        .mask = 0
 178};
 179
 180static 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
 197static 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
 215static 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
 231static 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 */
 259static 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
 268static 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
 393static 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
 429static 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
 459static 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
 488static 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
 516static 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
 552static 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
 572static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
 573                                         struct snd_pcm_hw_params *hw_params)
 574{
 575        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 576}
 577
 578static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
 579{
 580        return snd_pcm_lib_free_pages(substream);
 581}
 582
 583static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 584{
 585        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 586        struct snd_pcm_runtime *runtime = substream->runtime;
 587        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 588        int idx;
 589
 590        /* zeroing the buffer size will stop capture */
 591        snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 592        switch (epcm->type) {
 593        case CAPTURE_AC97ADC:
 594                snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 595                break;
 596        case CAPTURE_EFX:
 597                if (emu->audigy) {
 598                        snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 599                        snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 600                } else
 601                        snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 602                break;
 603        default:
 604                break;
 605        }       
 606        snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 607        epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 608        epcm->capture_bs_val = 0;
 609        for (idx = 0; idx < 31; idx++) {
 610                if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 611                        epcm->capture_bs_val = idx + 1;
 612                        break;
 613                }
 614        }
 615        if (epcm->capture_bs_val == 0) {
 616                snd_BUG();
 617                epcm->capture_bs_val++;
 618        }
 619        if (epcm->type == CAPTURE_AC97ADC) {
 620                epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 621                if (runtime->channels > 1)
 622                        epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 623                epcm->capture_cr_val |= emu->audigy ?
 624                        snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 625                        snd_emu10k1_capture_rate_reg(runtime->rate);
 626        }
 627        return 0;
 628}
 629
 630static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 631{
 632        struct snd_pcm_runtime *runtime;
 633        unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 634
 635        if (evoice == NULL)
 636                return;
 637        runtime = evoice->epcm->substream->runtime;
 638        voice = evoice->number;
 639        stereo = (!extra && runtime->channels == 2);
 640        sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 641        ccis = emu10k1_ccis(stereo, sample == 0);
 642        /* set cs to 2 * number of cache registers beside the invalidated */
 643        cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 644        if (cs > 16) cs = 16;
 645        for (i = 0; i < cs; i++) {
 646                snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 647                if (stereo) {
 648                        snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 649                }
 650        }
 651        /* reset cache */
 652        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 653        snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 654        if (stereo) {
 655                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 656                snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 657        }
 658        /* fill cache */
 659        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 660        if (stereo) {
 661                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 662        }
 663}
 664
 665static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 666                                               int master, int extra,
 667                                               struct snd_emu10k1_pcm_mixer *mix)
 668{
 669        struct snd_pcm_substream *substream;
 670        struct snd_pcm_runtime *runtime;
 671        unsigned int attn, vattn;
 672        unsigned int voice, tmp;
 673
 674        if (evoice == NULL)     /* skip second voice for mono */
 675                return;
 676        substream = evoice->epcm->substream;
 677        runtime = substream->runtime;
 678        voice = evoice->number;
 679
 680        attn = extra ? 0 : 0x00ff;
 681        tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 682        vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 683        snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 684        snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 685        snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 686        snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 687        snd_emu10k1_voice_clear_loop_stop(emu, voice);
 688}       
 689
 690static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 691{
 692        struct snd_pcm_substream *substream;
 693        struct snd_pcm_runtime *runtime;
 694        unsigned int voice, pitch, pitch_target;
 695
 696        if (evoice == NULL)     /* skip second voice for mono */
 697                return;
 698        substream = evoice->epcm->substream;
 699        runtime = substream->runtime;
 700        voice = evoice->number;
 701
 702        pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 703        if (emu->card_capabilities->emu_model)
 704                pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 705        else 
 706                pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 707        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 708        if (master || evoice->epcm->type == PLAYBACK_EFX)
 709                snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 710        snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 711        if (extra)
 712                snd_emu10k1_voice_intr_enable(emu, voice);
 713}
 714
 715static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 716{
 717        unsigned int voice;
 718
 719        if (evoice == NULL)
 720                return;
 721        voice = evoice->number;
 722        snd_emu10k1_voice_intr_disable(emu, voice);
 723        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 724        snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 725        snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 726        snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 727        snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 728        snd_emu10k1_ptr_write(emu, IP, voice, 0);
 729}
 730
 731static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 732                struct snd_emu10k1_pcm *epcm,
 733                struct snd_pcm_substream *substream,
 734                struct snd_pcm_runtime *runtime)
 735{
 736        unsigned int ptr, period_pos;
 737
 738        /* try to sychronize the current position for the interrupt
 739           source voice */
 740        period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 741        period_pos %= runtime->period_size;
 742        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 743        ptr &= ~0x00ffffff;
 744        ptr |= epcm->ccca_start_addr + period_pos;
 745        snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 746}
 747
 748static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 749                                        int cmd)
 750{
 751        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 752        struct snd_pcm_runtime *runtime = substream->runtime;
 753        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 754        struct snd_emu10k1_pcm_mixer *mix;
 755        int result = 0;
 756
 757        /*
 758        dev_dbg(emu->card->dev,
 759                "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 760               (int)emu, cmd, substream->ops->pointer(substream))
 761        */
 762        spin_lock(&emu->reg_lock);
 763        switch (cmd) {
 764        case SNDRV_PCM_TRIGGER_START:
 765                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 766                snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 767                /* fall through */
 768        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 769        case SNDRV_PCM_TRIGGER_RESUME:
 770                if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 771                        snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 772                mix = &emu->pcm_mixer[substream->number];
 773                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 774                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 775                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 776                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 777                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 778                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 779                epcm->running = 1;
 780                break;
 781        case SNDRV_PCM_TRIGGER_STOP:
 782        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 783        case SNDRV_PCM_TRIGGER_SUSPEND:
 784                epcm->running = 0;
 785                snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 786                snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 787                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 788                break;
 789        default:
 790                result = -EINVAL;
 791                break;
 792        }
 793        spin_unlock(&emu->reg_lock);
 794        return result;
 795}
 796
 797static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 798                                       int cmd)
 799{
 800        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 801        struct snd_pcm_runtime *runtime = substream->runtime;
 802        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 803        int result = 0;
 804
 805        spin_lock(&emu->reg_lock);
 806        switch (cmd) {
 807        case SNDRV_PCM_TRIGGER_START:
 808        case SNDRV_PCM_TRIGGER_RESUME:
 809                /* hmm this should cause full and half full interrupt to be raised? */
 810                outl(epcm->capture_ipr, emu->port + IPR);
 811                snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 812                /*
 813                dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
 814                       epcm->adccr, epcm->adcbs);
 815                */
 816                switch (epcm->type) {
 817                case CAPTURE_AC97ADC:
 818                        snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 819                        break;
 820                case CAPTURE_EFX:
 821                        if (emu->audigy) {
 822                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 823                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 824                                dev_dbg(emu->card->dev,
 825                                        "cr_val=0x%x, cr_val2=0x%x\n",
 826                                        epcm->capture_cr_val,
 827                                        epcm->capture_cr_val2);
 828                        } else
 829                                snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 830                        break;
 831                default:        
 832                        break;
 833                }
 834                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 835                epcm->running = 1;
 836                epcm->first_ptr = 1;
 837                break;
 838        case SNDRV_PCM_TRIGGER_STOP:
 839        case SNDRV_PCM_TRIGGER_SUSPEND:
 840                epcm->running = 0;
 841                snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 842                outl(epcm->capture_ipr, emu->port + IPR);
 843                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 844                switch (epcm->type) {
 845                case CAPTURE_AC97ADC:
 846                        snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 847                        break;
 848                case CAPTURE_EFX:
 849                        if (emu->audigy) {
 850                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 851                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 852                        } else
 853                                snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 854                        break;
 855                default:
 856                        break;
 857                }
 858                break;
 859        default:
 860                result = -EINVAL;
 861        }
 862        spin_unlock(&emu->reg_lock);
 863        return result;
 864}
 865
 866static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 867{
 868        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 869        struct snd_pcm_runtime *runtime = substream->runtime;
 870        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 871        unsigned int ptr;
 872
 873        if (!epcm->running)
 874                return 0;
 875        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 876#if 0   /* Perex's code */
 877        ptr += runtime->buffer_size;
 878        ptr -= epcm->ccca_start_addr;
 879        ptr %= runtime->buffer_size;
 880#else   /* EMU10K1 Open Source code from Creative */
 881        if (ptr < epcm->ccca_start_addr)
 882                ptr += runtime->buffer_size - epcm->ccca_start_addr;
 883        else {
 884                ptr -= epcm->ccca_start_addr;
 885                if (ptr >= runtime->buffer_size)
 886                        ptr -= runtime->buffer_size;
 887        }
 888#endif
 889        /*
 890        dev_dbg(emu->card->dev,
 891               "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 892               (long)ptr, (long)runtime->buffer_size,
 893               (long)runtime->period_size);
 894        */
 895        return ptr;
 896}
 897
 898
 899static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 900                                        int cmd)
 901{
 902        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 903        struct snd_pcm_runtime *runtime = substream->runtime;
 904        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 905        int i;
 906        int result = 0;
 907
 908        spin_lock(&emu->reg_lock);
 909        switch (cmd) {
 910        case SNDRV_PCM_TRIGGER_START:
 911                /* prepare voices */
 912                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 913                        snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 914                }
 915                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 916
 917                /* fall through */
 918        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 919        case SNDRV_PCM_TRIGGER_RESUME:
 920                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 921                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 922                                                   &emu->efx_pcm_mixer[0]);
 923                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 924                        snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 925                                                           &emu->efx_pcm_mixer[i]);
 926                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 927                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 928                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 929                        snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 930                epcm->running = 1;
 931                break;
 932        case SNDRV_PCM_TRIGGER_SUSPEND:
 933        case SNDRV_PCM_TRIGGER_STOP:
 934        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 935                epcm->running = 0;
 936                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 937                        snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 938                }
 939                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 940                break;
 941        default:
 942                result = -EINVAL;
 943                break;
 944        }
 945        spin_unlock(&emu->reg_lock);
 946        return result;
 947}
 948
 949
 950static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 951{
 952        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 953        struct snd_pcm_runtime *runtime = substream->runtime;
 954        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 955        unsigned int ptr;
 956
 957        if (!epcm->running)
 958                return 0;
 959        if (epcm->first_ptr) {
 960                udelay(50);     /* hack, it takes awhile until capture is started */
 961                epcm->first_ptr = 0;
 962        }
 963        ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 964        return bytes_to_frames(runtime, ptr);
 965}
 966
 967/*
 968 *  Playback support device description
 969 */
 970
 971static const struct snd_pcm_hardware snd_emu10k1_playback =
 972{
 973        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 974                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 975                                 SNDRV_PCM_INFO_RESUME |
 976                                 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 977        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 978        .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 979        .rate_min =             4000,
 980        .rate_max =             96000,
 981        .channels_min =         1,
 982        .channels_max =         2,
 983        .buffer_bytes_max =     (128*1024),
 984        .period_bytes_min =     64,
 985        .period_bytes_max =     (128*1024),
 986        .periods_min =          1,
 987        .periods_max =          1024,
 988        .fifo_size =            0,
 989};
 990
 991/*
 992 *  Capture support device description
 993 */
 994
 995static const struct snd_pcm_hardware snd_emu10k1_capture =
 996{
 997        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 998                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 999                                 SNDRV_PCM_INFO_RESUME |
1000                                 SNDRV_PCM_INFO_MMAP_VALID),
1001        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1002        .rates =                SNDRV_PCM_RATE_8000_48000,
1003        .rate_min =             8000,
1004        .rate_max =             48000,
1005        .channels_min =         1,
1006        .channels_max =         2,
1007        .buffer_bytes_max =     (64*1024),
1008        .period_bytes_min =     384,
1009        .period_bytes_max =     (64*1024),
1010        .periods_min =          2,
1011        .periods_max =          2,
1012        .fifo_size =            0,
1013};
1014
1015static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
1016{
1017        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1018                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1019                                 SNDRV_PCM_INFO_RESUME |
1020                                 SNDRV_PCM_INFO_MMAP_VALID),
1021        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1022        .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 
1023                                 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 
1024                                 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1025        .rate_min =             44100,
1026        .rate_max =             192000,
1027        .channels_min =         8,
1028        .channels_max =         8,
1029        .buffer_bytes_max =     (64*1024),
1030        .period_bytes_min =     384,
1031        .period_bytes_max =     (64*1024),
1032        .periods_min =          2,
1033        .periods_max =          2,
1034        .fifo_size =            0,
1035};
1036
1037/*
1038 *
1039 */
1040
1041static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1042{
1043        struct snd_ctl_elem_id id;
1044
1045        if (! kctl)
1046                return;
1047        if (activate)
1048                kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1049        else
1050                kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1051        snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1052                       SNDRV_CTL_EVENT_MASK_INFO,
1053                       snd_ctl_build_ioff(&id, kctl, idx));
1054}
1055
1056static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1057{
1058        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1059        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1060        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1061}
1062
1063static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1064{
1065        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1066        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1067        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1068}
1069
1070static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1071{
1072        kfree(runtime->private_data);
1073}
1074
1075static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1076{
1077        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1078        struct snd_emu10k1_pcm_mixer *mix;
1079        int i;
1080
1081        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1082                mix = &emu->efx_pcm_mixer[i];
1083                mix->epcm = NULL;
1084                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1085        }
1086        return 0;
1087}
1088
1089static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1090{
1091        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1092        struct snd_emu10k1_pcm *epcm;
1093        struct snd_emu10k1_pcm_mixer *mix;
1094        struct snd_pcm_runtime *runtime = substream->runtime;
1095        int i;
1096
1097        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1098        if (epcm == NULL)
1099                return -ENOMEM;
1100        epcm->emu = emu;
1101        epcm->type = PLAYBACK_EFX;
1102        epcm->substream = substream;
1103        
1104        emu->pcm_playback_efx_substream = substream;
1105
1106        runtime->private_data = epcm;
1107        runtime->private_free = snd_emu10k1_pcm_free_substream;
1108        runtime->hw = snd_emu10k1_efx_playback;
1109        
1110        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1111                mix = &emu->efx_pcm_mixer[i];
1112                mix->send_routing[0][0] = i;
1113                memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1114                mix->send_volume[0][0] = 255;
1115                mix->attn[0] = 0xffff;
1116                mix->epcm = epcm;
1117                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1118        }
1119        return 0;
1120}
1121
1122static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1123{
1124        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1125        struct snd_emu10k1_pcm *epcm;
1126        struct snd_emu10k1_pcm_mixer *mix;
1127        struct snd_pcm_runtime *runtime = substream->runtime;
1128        int i, err, sample_rate;
1129
1130        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1131        if (epcm == NULL)
1132                return -ENOMEM;
1133        epcm->emu = emu;
1134        epcm->type = PLAYBACK_EMUVOICE;
1135        epcm->substream = substream;
1136        runtime->private_data = epcm;
1137        runtime->private_free = snd_emu10k1_pcm_free_substream;
1138        runtime->hw = snd_emu10k1_playback;
1139        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1140                kfree(epcm);
1141                return err;
1142        }
1143        if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1144                kfree(epcm);
1145                return err;
1146        }
1147        if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1148                sample_rate = 44100;
1149        else
1150                sample_rate = 48000;
1151        err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1152        if (err < 0) {
1153                kfree(epcm);
1154                return err;
1155        }
1156        mix = &emu->pcm_mixer[substream->number];
1157        for (i = 0; i < 4; i++)
1158                mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1159        memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1160        mix->send_volume[0][0] = mix->send_volume[0][1] =
1161        mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1162        mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1163        mix->epcm = epcm;
1164        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1165        return 0;
1166}
1167
1168static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1169{
1170        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1171        struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1172
1173        mix->epcm = NULL;
1174        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1175        return 0;
1176}
1177
1178static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1179{
1180        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1181        struct snd_pcm_runtime *runtime = substream->runtime;
1182        struct snd_emu10k1_pcm *epcm;
1183
1184        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1185        if (epcm == NULL)
1186                return -ENOMEM;
1187        epcm->emu = emu;
1188        epcm->type = CAPTURE_AC97ADC;
1189        epcm->substream = substream;
1190        epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1191        epcm->capture_inte = INTE_ADCBUFENABLE;
1192        epcm->capture_ba_reg = ADCBA;
1193        epcm->capture_bs_reg = ADCBS;
1194        epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1195        runtime->private_data = epcm;
1196        runtime->private_free = snd_emu10k1_pcm_free_substream;
1197        runtime->hw = snd_emu10k1_capture;
1198        emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1199        emu->pcm_capture_substream = substream;
1200        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1201        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1202        return 0;
1203}
1204
1205static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1206{
1207        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1208
1209        emu->capture_interrupt = NULL;
1210        emu->pcm_capture_substream = NULL;
1211        return 0;
1212}
1213
1214static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1215{
1216        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1217        struct snd_emu10k1_pcm *epcm;
1218        struct snd_pcm_runtime *runtime = substream->runtime;
1219
1220        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1221        if (epcm == NULL)
1222                return -ENOMEM;
1223        epcm->emu = emu;
1224        epcm->type = CAPTURE_AC97MIC;
1225        epcm->substream = substream;
1226        epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1227        epcm->capture_inte = INTE_MICBUFENABLE;
1228        epcm->capture_ba_reg = MICBA;
1229        epcm->capture_bs_reg = MICBS;
1230        epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1231        substream->runtime->private_data = epcm;
1232        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1233        runtime->hw = snd_emu10k1_capture;
1234        runtime->hw.rates = SNDRV_PCM_RATE_8000;
1235        runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1236        runtime->hw.channels_min = 1;
1237        emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1238        emu->pcm_capture_mic_substream = substream;
1239        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1240        return 0;
1241}
1242
1243static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1244{
1245        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1246
1247        emu->capture_interrupt = NULL;
1248        emu->pcm_capture_mic_substream = NULL;
1249        return 0;
1250}
1251
1252static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1253{
1254        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1255        struct snd_emu10k1_pcm *epcm;
1256        struct snd_pcm_runtime *runtime = substream->runtime;
1257        int nefx = emu->audigy ? 64 : 32;
1258        int idx;
1259
1260        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1261        if (epcm == NULL)
1262                return -ENOMEM;
1263        epcm->emu = emu;
1264        epcm->type = CAPTURE_EFX;
1265        epcm->substream = substream;
1266        epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1267        epcm->capture_inte = INTE_EFXBUFENABLE;
1268        epcm->capture_ba_reg = FXBA;
1269        epcm->capture_bs_reg = FXBS;
1270        epcm->capture_idx_reg = FXIDX;
1271        substream->runtime->private_data = epcm;
1272        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1273        runtime->hw = snd_emu10k1_capture_efx;
1274        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1275        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1276        spin_lock_irq(&emu->reg_lock);
1277        if (emu->card_capabilities->emu_model) {
1278                /*  Nb. of channels has been increased to 16 */
1279                /* TODO
1280                 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1281                 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1282                 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1283                 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1284                 * rate_min = 44100,
1285                 * rate_max = 192000,
1286                 * channels_min = 16,
1287                 * channels_max = 16,
1288                 * Need to add mixer control to fix sample rate
1289                 *                 
1290                 * There are 32 mono channels of 16bits each.
1291                 * 24bit Audio uses 2x channels over 16bit
1292                 * 96kHz uses 2x channels over 48kHz
1293                 * 192kHz uses 4x channels over 48kHz
1294                 * So, for 48kHz 24bit, one has 16 channels
1295                 * for 96kHz 24bit, one has 8 channels
1296                 * for 192kHz 24bit, one has 4 channels
1297                 *
1298                 */
1299#if 1
1300                switch (emu->emu1010.internal_clock) {
1301                case 0:
1302                        /* For 44.1kHz */
1303                        runtime->hw.rates = SNDRV_PCM_RATE_44100;
1304                        runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1305                        runtime->hw.channels_min =
1306                                runtime->hw.channels_max = 16;
1307                        break;
1308                case 1:
1309                        /* For 48kHz */
1310                        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1311                        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1312                        runtime->hw.channels_min =
1313                                runtime->hw.channels_max = 16;
1314                        break;
1315                }
1316#endif
1317#if 0
1318                /* For 96kHz */
1319                runtime->hw.rates = SNDRV_PCM_RATE_96000;
1320                runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1321                runtime->hw.channels_min = runtime->hw.channels_max = 4;
1322#endif
1323#if 0
1324                /* For 192kHz */
1325                runtime->hw.rates = SNDRV_PCM_RATE_192000;
1326                runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1327                runtime->hw.channels_min = runtime->hw.channels_max = 2;
1328#endif
1329                runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1330                /* efx_voices_mask[0] is expected to be zero
1331                 * efx_voices_mask[1] is expected to have 32bits set
1332                 */
1333        } else {
1334                runtime->hw.channels_min = runtime->hw.channels_max = 0;
1335                for (idx = 0; idx < nefx; idx++) {
1336                        if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1337                                runtime->hw.channels_min++;
1338                                runtime->hw.channels_max++;
1339                        }
1340                }
1341        }
1342        epcm->capture_cr_val = emu->efx_voices_mask[0];
1343        epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1344        spin_unlock_irq(&emu->reg_lock);
1345        emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1346        emu->pcm_capture_efx_substream = substream;
1347        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1348        return 0;
1349}
1350
1351static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1352{
1353        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1354
1355        emu->capture_interrupt = NULL;
1356        emu->pcm_capture_efx_substream = NULL;
1357        return 0;
1358}
1359
1360static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
1361        .open =                 snd_emu10k1_playback_open,
1362        .close =                snd_emu10k1_playback_close,
1363        .ioctl =                snd_pcm_lib_ioctl,
1364        .hw_params =            snd_emu10k1_playback_hw_params,
1365        .hw_free =              snd_emu10k1_playback_hw_free,
1366        .prepare =              snd_emu10k1_playback_prepare,
1367        .trigger =              snd_emu10k1_playback_trigger,
1368        .pointer =              snd_emu10k1_playback_pointer,
1369        .page =                 snd_pcm_sgbuf_ops_page,
1370};
1371
1372static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
1373        .open =                 snd_emu10k1_capture_open,
1374        .close =                snd_emu10k1_capture_close,
1375        .ioctl =                snd_pcm_lib_ioctl,
1376        .hw_params =            snd_emu10k1_capture_hw_params,
1377        .hw_free =              snd_emu10k1_capture_hw_free,
1378        .prepare =              snd_emu10k1_capture_prepare,
1379        .trigger =              snd_emu10k1_capture_trigger,
1380        .pointer =              snd_emu10k1_capture_pointer,
1381};
1382
1383/* EFX playback */
1384static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1385        .open =                 snd_emu10k1_efx_playback_open,
1386        .close =                snd_emu10k1_efx_playback_close,
1387        .ioctl =                snd_pcm_lib_ioctl,
1388        .hw_params =            snd_emu10k1_playback_hw_params,
1389        .hw_free =              snd_emu10k1_efx_playback_hw_free,
1390        .prepare =              snd_emu10k1_efx_playback_prepare,
1391        .trigger =              snd_emu10k1_efx_playback_trigger,
1392        .pointer =              snd_emu10k1_efx_playback_pointer,
1393        .page =                 snd_pcm_sgbuf_ops_page,
1394};
1395
1396int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
1397{
1398        struct snd_pcm *pcm;
1399        struct snd_pcm_substream *substream;
1400        int err;
1401
1402        if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1403                return err;
1404
1405        pcm->private_data = emu;
1406
1407        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1408        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1409
1410        pcm->info_flags = 0;
1411        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1412        strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1413        emu->pcm = pcm;
1414
1415        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1416                snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1417                                              snd_dma_pci_data(emu->pci),
1418                                              64*1024, 64*1024);
1419
1420        for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1421                snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV,
1422                                              snd_dma_pci_data(emu->pci),
1423                                              64*1024, 64*1024);
1424
1425        return 0;
1426}
1427
1428int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
1429{
1430        struct snd_pcm *pcm;
1431        struct snd_pcm_substream *substream;
1432        int err;
1433
1434        if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1435                return err;
1436
1437        pcm->private_data = emu;
1438
1439        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1440
1441        pcm->info_flags = 0;
1442        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1443        strcpy(pcm->name, "Multichannel Playback");
1444        emu->pcm_multi = pcm;
1445
1446        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1447                snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1448                                              snd_dma_pci_data(emu->pci),
1449                                              64*1024, 64*1024);
1450
1451        return 0;
1452}
1453
1454
1455static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1456        .open =                 snd_emu10k1_capture_mic_open,
1457        .close =                snd_emu10k1_capture_mic_close,
1458        .ioctl =                snd_pcm_lib_ioctl,
1459        .hw_params =            snd_emu10k1_capture_hw_params,
1460        .hw_free =              snd_emu10k1_capture_hw_free,
1461        .prepare =              snd_emu10k1_capture_prepare,
1462        .trigger =              snd_emu10k1_capture_trigger,
1463        .pointer =              snd_emu10k1_capture_pointer,
1464};
1465
1466int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
1467{
1468        struct snd_pcm *pcm;
1469        int err;
1470
1471        if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1472                return err;
1473
1474        pcm->private_data = emu;
1475
1476        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1477
1478        pcm->info_flags = 0;
1479        strcpy(pcm->name, "Mic Capture");
1480        emu->pcm_mic = pcm;
1481
1482        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1483                                              snd_dma_pci_data(emu->pci),
1484                                              64*1024, 64*1024);
1485
1486        return 0;
1487}
1488
1489static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1490{
1491        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1492        int nefx = emu->audigy ? 64 : 32;
1493        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1494        uinfo->count = nefx;
1495        uinfo->value.integer.min = 0;
1496        uinfo->value.integer.max = 1;
1497        return 0;
1498}
1499
1500static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1501{
1502        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1503        int nefx = emu->audigy ? 64 : 32;
1504        int idx;
1505        
1506        spin_lock_irq(&emu->reg_lock);
1507        for (idx = 0; idx < nefx; idx++)
1508                ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1509        spin_unlock_irq(&emu->reg_lock);
1510        return 0;
1511}
1512
1513static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1514{
1515        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1516        unsigned int nval[2], bits;
1517        int nefx = emu->audigy ? 64 : 32;
1518        int nefxb = emu->audigy ? 7 : 6;
1519        int change, idx;
1520        
1521        nval[0] = nval[1] = 0;
1522        for (idx = 0, bits = 0; idx < nefx; idx++)
1523                if (ucontrol->value.integer.value[idx]) {
1524                        nval[idx / 32] |= 1 << (idx % 32);
1525                        bits++;
1526                }
1527                
1528        for (idx = 0; idx < nefxb; idx++)
1529                if (1 << idx == bits)
1530                        break;
1531        
1532        if (idx >= nefxb)
1533                return -EINVAL;
1534
1535        spin_lock_irq(&emu->reg_lock);
1536        change = (nval[0] != emu->efx_voices_mask[0]) ||
1537                (nval[1] != emu->efx_voices_mask[1]);
1538        emu->efx_voices_mask[0] = nval[0];
1539        emu->efx_voices_mask[1] = nval[1];
1540        spin_unlock_irq(&emu->reg_lock);
1541        return change;
1542}
1543
1544static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1545        .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1546        .name = "Captured FX8010 Outputs",
1547        .info = snd_emu10k1_pcm_efx_voices_mask_info,
1548        .get = snd_emu10k1_pcm_efx_voices_mask_get,
1549        .put = snd_emu10k1_pcm_efx_voices_mask_put
1550};
1551
1552static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1553        .open =                 snd_emu10k1_capture_efx_open,
1554        .close =                snd_emu10k1_capture_efx_close,
1555        .ioctl =                snd_pcm_lib_ioctl,
1556        .hw_params =            snd_emu10k1_capture_hw_params,
1557        .hw_free =              snd_emu10k1_capture_hw_free,
1558        .prepare =              snd_emu10k1_capture_prepare,
1559        .trigger =              snd_emu10k1_capture_trigger,
1560        .pointer =              snd_emu10k1_capture_pointer,
1561};
1562
1563
1564/* EFX playback */
1565
1566#define INITIAL_TRAM_SHIFT     14
1567#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1568
1569static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1570{
1571        struct snd_pcm_substream *substream = private_data;
1572        snd_pcm_period_elapsed(substream);
1573}
1574
1575static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1576                                                   unsigned short *dst_right,
1577                                                   unsigned short *src,
1578                                                   unsigned int count,
1579                                                   unsigned int tram_shift)
1580{
1581        /*
1582        dev_dbg(emu->card->dev,
1583                "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1584               "src = 0x%p, count = 0x%x\n",
1585               dst_left, dst_right, src, count);
1586        */
1587        if ((tram_shift & 1) == 0) {
1588                while (count--) {
1589                        *dst_left-- = *src++;
1590                        *dst_right-- = *src++;
1591                }
1592        } else {
1593                while (count--) {
1594                        *dst_right-- = *src++;
1595                        *dst_left-- = *src++;
1596                }
1597        }
1598}
1599
1600static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1601                                 struct snd_pcm_indirect *rec, size_t bytes)
1602{
1603        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1604        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1605        unsigned int tram_size = pcm->buffer_size;
1606        unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1607        unsigned int frames = bytes >> 2, count;
1608        unsigned int tram_pos = pcm->tram_pos;
1609        unsigned int tram_shift = pcm->tram_shift;
1610
1611        while (frames > tram_pos) {
1612                count = tram_pos + 1;
1613                snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1614                                                       (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1615                                                       src, count, tram_shift);
1616                src += count * 2;
1617                frames -= count;
1618                tram_pos = (tram_size / 2) - 1;
1619                tram_shift++;
1620        }
1621        snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1622                                               (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1623                                               src, frames, tram_shift);
1624        tram_pos -= frames;
1625        pcm->tram_pos = tram_pos;
1626        pcm->tram_shift = tram_shift;
1627}
1628
1629static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1630{
1631        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1632        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1633
1634        return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
1635                                                  fx8010_pb_trans_copy);
1636}
1637
1638static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1639                                                 struct snd_pcm_hw_params *hw_params)
1640{
1641        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1642}
1643
1644static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1645{
1646        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1647        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1648        unsigned int i;
1649
1650        for (i = 0; i < pcm->channels; i++)
1651                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1652        snd_pcm_lib_free_pages(substream);
1653        return 0;
1654}
1655
1656static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1657{
1658        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1659        struct snd_pcm_runtime *runtime = substream->runtime;
1660        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1661        unsigned int i;
1662        
1663        /*
1664        dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1665               "buffer_size = 0x%x (0x%x)\n",
1666               emu->fx8010.etram_pages, runtime->dma_area,
1667               runtime->buffer_size, runtime->buffer_size << 2);
1668        */
1669        memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1670        pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1671        pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1672        pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1673        pcm->tram_shift = 0;
1674        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1675        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1676        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1677        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1678        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1679        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1680        for (i = 0; i < pcm->channels; i++)
1681                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1682        return 0;
1683}
1684
1685static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1686{
1687        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1688        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1689        int result = 0;
1690
1691        spin_lock(&emu->reg_lock);
1692        switch (cmd) {
1693        case SNDRV_PCM_TRIGGER_START:
1694                /* follow thru */
1695        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1696        case SNDRV_PCM_TRIGGER_RESUME:
1697#ifdef EMU10K1_SET_AC3_IEC958
1698        {
1699                int i;
1700                for (i = 0; i < 3; i++) {
1701                        unsigned int bits;
1702                        bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1703                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1704                               0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1705                        snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1706                }
1707        }
1708#endif
1709                result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1710                if (result < 0)
1711                        goto __err;
1712                snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1713                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1714                break;
1715        case SNDRV_PCM_TRIGGER_STOP:
1716        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1717        case SNDRV_PCM_TRIGGER_SUSPEND:
1718                snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq);
1719                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1720                pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1721                pcm->tram_shift = 0;
1722                break;
1723        default:
1724                result = -EINVAL;
1725                break;
1726        }
1727      __err:
1728        spin_unlock(&emu->reg_lock);
1729        return result;
1730}
1731
1732static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1733{
1734        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1735        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1736        size_t ptr; /* byte pointer */
1737
1738        if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1739                return 0;
1740        ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1741        return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1742}
1743
1744static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1745{
1746        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1747                                 SNDRV_PCM_INFO_RESUME |
1748                                 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE |
1749                                 SNDRV_PCM_INFO_SYNC_APPLPTR),
1750        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1751        .rates =                SNDRV_PCM_RATE_48000,
1752        .rate_min =             48000,
1753        .rate_max =             48000,
1754        .channels_min =         1,
1755        .channels_max =         1,
1756        .buffer_bytes_max =     (128*1024),
1757        .period_bytes_min =     1024,
1758        .period_bytes_max =     (128*1024),
1759        .periods_min =          2,
1760        .periods_max =          1024,
1761        .fifo_size =            0,
1762};
1763
1764static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1765{
1766        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1767        struct snd_pcm_runtime *runtime = substream->runtime;
1768        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1769
1770        runtime->hw = snd_emu10k1_fx8010_playback;
1771        runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1772        runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1773        spin_lock_irq(&emu->reg_lock);
1774        if (pcm->valid == 0) {
1775                spin_unlock_irq(&emu->reg_lock);
1776                return -ENODEV;
1777        }
1778        pcm->opened = 1;
1779        spin_unlock_irq(&emu->reg_lock);
1780        return 0;
1781}
1782
1783static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1784{
1785        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1786        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1787
1788        spin_lock_irq(&emu->reg_lock);
1789        pcm->opened = 0;
1790        spin_unlock_irq(&emu->reg_lock);
1791        return 0;
1792}
1793
1794static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1795        .open =                 snd_emu10k1_fx8010_playback_open,
1796        .close =                snd_emu10k1_fx8010_playback_close,
1797        .ioctl =                snd_pcm_lib_ioctl,
1798        .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1799        .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1800        .prepare =              snd_emu10k1_fx8010_playback_prepare,
1801        .trigger =              snd_emu10k1_fx8010_playback_trigger,
1802        .pointer =              snd_emu10k1_fx8010_playback_pointer,
1803        .ack =                  snd_emu10k1_fx8010_playback_transfer,
1804};
1805
1806int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
1807{
1808        struct snd_pcm *pcm;
1809        struct snd_kcontrol *kctl;
1810        int err;
1811
1812        if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1813                return err;
1814
1815        pcm->private_data = emu;
1816
1817        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1818        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1819
1820        pcm->info_flags = 0;
1821        strcpy(pcm->name, "Multichannel Capture/PT Playback");
1822        emu->pcm_efx = pcm;
1823
1824        /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 
1825         * to these
1826         */     
1827        
1828        /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1829        if (emu->audigy) {
1830                emu->efx_voices_mask[0] = 0;
1831                if (emu->card_capabilities->emu_model)
1832                        /* Pavel Hofman - 32 voices will be used for
1833                         * capture (write mode) -
1834                         * each bit = corresponding voice
1835                         */
1836                        emu->efx_voices_mask[1] = 0xffffffff;
1837                else
1838                        emu->efx_voices_mask[1] = 0xffff;
1839        } else {
1840                emu->efx_voices_mask[0] = 0xffff0000;
1841                emu->efx_voices_mask[1] = 0;
1842        }
1843        /* For emu1010, the control has to set 32 upper bits (voices)
1844         * out of the 64 bits (voices) to true for the 16-channels capture
1845         * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1846         * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1847         * control can override this register's value.
1848         */
1849        kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1850        if (!kctl)
1851                return -ENOMEM;
1852        kctl->id.device = device;
1853        err = snd_ctl_add(emu->card, kctl);
1854        if (err < 0)
1855                return err;
1856
1857        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1858                                              snd_dma_pci_data(emu->pci),
1859                                              64*1024, 64*1024);
1860
1861        return 0;
1862}
1863