linux/sound/pci/emu10k1/emupcm.c
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   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        epcm = voice->epcm;
  29        if (!epcm)
  30                return;
  31        if (epcm->substream == NULL)
  32                return;
  33#if 0
  34        dev_dbg(emu->card->dev,
  35                "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  36                        epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  37                        snd_pcm_lib_period_bytes(epcm->substream),
  38                        snd_pcm_lib_buffer_bytes(epcm->substream));
  39#endif
  40        snd_pcm_period_elapsed(epcm->substream);
  41}
  42
  43static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
  44                                              unsigned int status)
  45{
  46#if 0
  47        if (status & IPR_ADCBUFHALFFULL) {
  48                if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  49                        return;
  50        }
  51#endif
  52        snd_pcm_period_elapsed(emu->pcm_capture_substream);
  53}
  54
  55static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
  56                                              unsigned int status)
  57{
  58#if 0
  59        if (status & IPR_MICBUFHALFFULL) {
  60                if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  61                        return;
  62        }
  63#endif
  64        snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  65}
  66
  67static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
  68                                          unsigned int status)
  69{
  70#if 0
  71        if (status & IPR_EFXBUFHALFFULL) {
  72                if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  73                        return;
  74        }
  75#endif
  76        snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  77}        
  78
  79static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
  80{
  81        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  82        struct snd_pcm_runtime *runtime = substream->runtime;
  83        struct snd_emu10k1_pcm *epcm = runtime->private_data;
  84        unsigned int ptr;
  85
  86        if (!epcm->running)
  87                return 0;
  88        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
  89        ptr += runtime->buffer_size;
  90        ptr -= epcm->ccca_start_addr;
  91        ptr %= runtime->buffer_size;
  92
  93        return ptr;
  94}
  95
  96static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
  97{
  98        int err, i;
  99
 100        if (epcm->voices[1] != NULL && voices < 2) {
 101                snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 102                epcm->voices[1] = NULL;
 103        }
 104        for (i = 0; i < voices; i++) {
 105                if (epcm->voices[i] == NULL)
 106                        break;
 107        }
 108        if (i == voices)
 109                return 0; /* already allocated */
 110
 111        for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
 112                if (epcm->voices[i]) {
 113                        snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 114                        epcm->voices[i] = NULL;
 115                }
 116        }
 117        err = snd_emu10k1_voice_alloc(epcm->emu,
 118                                      epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 119                                      voices,
 120                                      &epcm->voices[0]);
 121        
 122        if (err < 0)
 123                return err;
 124        epcm->voices[0]->epcm = epcm;
 125        if (voices > 1) {
 126                for (i = 1; i < voices; i++) {
 127                        epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
 128                        epcm->voices[i]->epcm = epcm;
 129                }
 130        }
 131        if (epcm->extra == NULL) {
 132                err = snd_emu10k1_voice_alloc(epcm->emu,
 133                                              epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 134                                              1,
 135                                              &epcm->extra);
 136                if (err < 0) {
 137                        /*
 138                        dev_dbg(emu->card->dev, "pcm_channel_alloc: "
 139                               "failed extra: voices=%d, frame=%d\n",
 140                               voices, frame);
 141                        */
 142                        for (i = 0; i < voices; i++) {
 143                                snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 144                                epcm->voices[i] = NULL;
 145                        }
 146                        return err;
 147                }
 148                epcm->extra->epcm = epcm;
 149                epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 150        }
 151        return 0;
 152}
 153
 154static const unsigned int capture_period_sizes[31] = {
 155        384,    448,    512,    640,
 156        384*2,  448*2,  512*2,  640*2,
 157        384*4,  448*4,  512*4,  640*4,
 158        384*8,  448*8,  512*8,  640*8,
 159        384*16, 448*16, 512*16, 640*16,
 160        384*32, 448*32, 512*32, 640*32,
 161        384*64, 448*64, 512*64, 640*64,
 162        384*128,448*128,512*128
 163};
 164
 165static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
 166        .count = 31,
 167        .list = capture_period_sizes,
 168        .mask = 0
 169};
 170
 171static const unsigned int capture_rates[8] = {
 172        8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 173};
 174
 175static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
 176        .count = 8,
 177        .list = capture_rates,
 178        .mask = 0
 179};
 180
 181static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 182{
 183        switch (rate) {
 184        case 8000:      return ADCCR_SAMPLERATE_8;
 185        case 11025:     return ADCCR_SAMPLERATE_11;
 186        case 16000:     return ADCCR_SAMPLERATE_16;
 187        case 22050:     return ADCCR_SAMPLERATE_22;
 188        case 24000:     return ADCCR_SAMPLERATE_24;
 189        case 32000:     return ADCCR_SAMPLERATE_32;
 190        case 44100:     return ADCCR_SAMPLERATE_44;
 191        case 48000:     return ADCCR_SAMPLERATE_48;
 192        default:
 193                        snd_BUG();
 194                        return ADCCR_SAMPLERATE_8;
 195        }
 196}
 197
 198static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 199{
 200        switch (rate) {
 201        case 8000:      return A_ADCCR_SAMPLERATE_8;
 202        case 11025:     return A_ADCCR_SAMPLERATE_11;
 203        case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 204        case 16000:     return ADCCR_SAMPLERATE_16;
 205        case 22050:     return ADCCR_SAMPLERATE_22;
 206        case 24000:     return ADCCR_SAMPLERATE_24;
 207        case 32000:     return ADCCR_SAMPLERATE_32;
 208        case 44100:     return ADCCR_SAMPLERATE_44;
 209        case 48000:     return ADCCR_SAMPLERATE_48;
 210        default:
 211                        snd_BUG();
 212                        return A_ADCCR_SAMPLERATE_8;
 213        }
 214}
 215
 216static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 217{
 218        unsigned int pitch_target;
 219
 220        pitch_target = (rate << 8) / 375;
 221        pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 222        return pitch_target;
 223}
 224
 225#define PITCH_48000 0x00004000
 226#define PITCH_96000 0x00008000
 227#define PITCH_85000 0x00007155
 228#define PITCH_80726 0x00006ba2
 229#define PITCH_67882 0x00005a82
 230#define PITCH_57081 0x00004c1c
 231
 232static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 233{
 234        if (pitch_target == PITCH_48000)
 235                return CCCA_INTERPROM_0;
 236        else if (pitch_target < PITCH_48000)
 237                return CCCA_INTERPROM_1;
 238        else if (pitch_target >= PITCH_96000)
 239                return CCCA_INTERPROM_0;
 240        else if (pitch_target >= PITCH_85000)
 241                return CCCA_INTERPROM_6;
 242        else if (pitch_target >= PITCH_80726)
 243                return CCCA_INTERPROM_5;
 244        else if (pitch_target >= PITCH_67882)
 245                return CCCA_INTERPROM_4;
 246        else if (pitch_target >= PITCH_57081)
 247                return CCCA_INTERPROM_3;
 248        else  
 249                return CCCA_INTERPROM_2;
 250}
 251
 252/*
 253 * calculate cache invalidate size 
 254 *
 255 * stereo: channel is stereo
 256 * w_16: using 16bit samples
 257 *
 258 * returns: cache invalidate size in samples
 259 */
 260static inline int emu10k1_ccis(int stereo, int w_16)
 261{
 262        if (w_16) {
 263                return stereo ? 24 : 26;
 264        } else {
 265                return stereo ? 24*2 : 26*2;
 266        }
 267}
 268
 269static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
 270                                       int master, int extra,
 271                                       struct snd_emu10k1_voice *evoice,
 272                                       unsigned int start_addr,
 273                                       unsigned int end_addr,
 274                                       struct snd_emu10k1_pcm_mixer *mix)
 275{
 276        struct snd_pcm_substream *substream = evoice->epcm->substream;
 277        struct snd_pcm_runtime *runtime = substream->runtime;
 278        unsigned int silent_page, tmp;
 279        int voice, stereo, w_16;
 280        unsigned char send_amount[8];
 281        unsigned char send_routing[8];
 282        unsigned long flags;
 283        unsigned int pitch_target;
 284        unsigned int ccis;
 285
 286        voice = evoice->number;
 287        stereo = runtime->channels == 2;
 288        w_16 = snd_pcm_format_width(runtime->format) == 16;
 289
 290        if (!extra && stereo) {
 291                start_addr >>= 1;
 292                end_addr >>= 1;
 293        }
 294        if (w_16) {
 295                start_addr >>= 1;
 296                end_addr >>= 1;
 297        }
 298
 299        spin_lock_irqsave(&emu->reg_lock, flags);
 300
 301        /* volume parameters */
 302        if (extra) {
 303                memset(send_routing, 0, sizeof(send_routing));
 304                send_routing[0] = 0;
 305                send_routing[1] = 1;
 306                send_routing[2] = 2;
 307                send_routing[3] = 3;
 308                memset(send_amount, 0, sizeof(send_amount));
 309        } else {
 310                /* mono, left, right (master voice = left) */
 311                tmp = stereo ? (master ? 1 : 2) : 0;
 312                memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 313                memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 314        }
 315
 316        ccis = emu10k1_ccis(stereo, w_16);
 317        
 318        if (master) {
 319                evoice->epcm->ccca_start_addr = start_addr + ccis;
 320                if (extra) {
 321                        start_addr += ccis;
 322                        end_addr += ccis + emu->delay_pcm_irq;
 323                }
 324                if (stereo && !extra) {
 325                        snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 326                        snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 327                } else {
 328                        snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 329                }
 330        }
 331
 332        /* setup routing */
 333        if (emu->audigy) {
 334                snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 335                                      snd_emu10k1_compose_audigy_fxrt1(send_routing));
 336                snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 337                                      snd_emu10k1_compose_audigy_fxrt2(send_routing));
 338                snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 339                                      ((unsigned int)send_amount[4] << 24) |
 340                                      ((unsigned int)send_amount[5] << 16) |
 341                                      ((unsigned int)send_amount[6] << 8) |
 342                                      (unsigned int)send_amount[7]);
 343        } else
 344                snd_emu10k1_ptr_write(emu, FXRT, voice,
 345                                      snd_emu10k1_compose_send_routing(send_routing));
 346        /* Stop CA */
 347        /* Assumption that PT is already 0 so no harm overwriting */
 348        snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 349        snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 350        snd_emu10k1_ptr_write(emu, PSST, voice,
 351                        (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
 352                        (send_amount[2] << 24));
 353        if (emu->card_capabilities->emu_model)
 354                pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 355        else 
 356                pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 357        if (extra)
 358                snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 359                              emu10k1_select_interprom(pitch_target) |
 360                              (w_16 ? 0 : CCCA_8BITSELECT));
 361        else
 362                snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 363                              emu10k1_select_interprom(pitch_target) |
 364                              (w_16 ? 0 : CCCA_8BITSELECT));
 365        /* Clear filter delay memory */
 366        snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 367        snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 368        /* invalidate maps */
 369        silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0);
 370        snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 371        snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 372        /* modulation envelope */
 373        snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 374        snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 375        snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 376        snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 377        snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 378        snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 379        snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 380        snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 381        snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 382        snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 383        /* volume envelope */
 384        snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 385        snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 386        /* filter envelope */
 387        snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 388        /* pitch envelope */
 389        snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 390
 391        spin_unlock_irqrestore(&emu->reg_lock, flags);
 392}
 393
 394static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 395                                          struct snd_pcm_hw_params *hw_params)
 396{
 397        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 398        struct snd_pcm_runtime *runtime = substream->runtime;
 399        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 400        size_t alloc_size;
 401        int err;
 402
 403        err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params));
 404        if (err < 0)
 405                return err;
 406
 407        alloc_size = params_buffer_bytes(hw_params);
 408        if (emu->iommu_workaround)
 409                alloc_size += EMUPAGESIZE;
 410        err = snd_pcm_lib_malloc_pages(substream, alloc_size);
 411        if (err < 0)
 412                return err;
 413        if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
 414                runtime->dma_bytes -= EMUPAGESIZE;
 415        if (err > 0) {  /* change */
 416                int mapped;
 417                if (epcm->memblk != NULL)
 418                        snd_emu10k1_free_pages(emu, epcm->memblk);
 419                epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 420                epcm->start_addr = 0;
 421                if (! epcm->memblk)
 422                        return -ENOMEM;
 423                mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 424                if (mapped < 0)
 425                        return -ENOMEM;
 426                epcm->start_addr = mapped << PAGE_SHIFT;
 427        }
 428        return 0;
 429}
 430
 431static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 432{
 433        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 434        struct snd_pcm_runtime *runtime = substream->runtime;
 435        struct snd_emu10k1_pcm *epcm;
 436
 437        if (runtime->private_data == NULL)
 438                return 0;
 439        epcm = runtime->private_data;
 440        if (epcm->extra) {
 441                snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 442                epcm->extra = NULL;
 443        }
 444        if (epcm->voices[1]) {
 445                snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 446                epcm->voices[1] = NULL;
 447        }
 448        if (epcm->voices[0]) {
 449                snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 450                epcm->voices[0] = NULL;
 451        }
 452        if (epcm->memblk) {
 453                snd_emu10k1_free_pages(emu, epcm->memblk);
 454                epcm->memblk = NULL;
 455                epcm->start_addr = 0;
 456        }
 457        snd_pcm_lib_free_pages(substream);
 458        return 0;
 459}
 460
 461static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 462{
 463        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 464        struct snd_pcm_runtime *runtime = substream->runtime;
 465        struct snd_emu10k1_pcm *epcm;
 466        int i;
 467
 468        if (runtime->private_data == NULL)
 469                return 0;
 470        epcm = runtime->private_data;
 471        if (epcm->extra) {
 472                snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 473                epcm->extra = NULL;
 474        }
 475        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 476                if (epcm->voices[i]) {
 477                        snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 478                        epcm->voices[i] = NULL;
 479                }
 480        }
 481        if (epcm->memblk) {
 482                snd_emu10k1_free_pages(emu, epcm->memblk);
 483                epcm->memblk = NULL;
 484                epcm->start_addr = 0;
 485        }
 486        snd_pcm_lib_free_pages(substream);
 487        return 0;
 488}
 489
 490static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 491{
 492        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 493        struct snd_pcm_runtime *runtime = substream->runtime;
 494        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 495        unsigned int start_addr, end_addr;
 496
 497        start_addr = epcm->start_addr;
 498        end_addr = snd_pcm_lib_period_bytes(substream);
 499        if (runtime->channels == 2) {
 500                start_addr >>= 1;
 501                end_addr >>= 1;
 502        }
 503        end_addr += start_addr;
 504        snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 505                                   start_addr, end_addr, NULL);
 506        start_addr = epcm->start_addr;
 507        end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 508        snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 509                                   start_addr, end_addr,
 510                                   &emu->pcm_mixer[substream->number]);
 511        if (epcm->voices[1])
 512                snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 513                                           start_addr, end_addr,
 514                                           &emu->pcm_mixer[substream->number]);
 515        return 0;
 516}
 517
 518static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 519{
 520        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 521        struct snd_pcm_runtime *runtime = substream->runtime;
 522        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 523        unsigned int start_addr, end_addr;
 524        unsigned int channel_size;
 525        int i;
 526
 527        start_addr = epcm->start_addr;
 528        end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 529
 530        /*
 531         * the kX driver leaves some space between voices
 532         */
 533        channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 534
 535        snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 536                                   start_addr, start_addr + (channel_size / 2), NULL);
 537
 538        /* only difference with the master voice is we use it for the pointer */
 539        snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 540                                   start_addr, start_addr + channel_size,
 541                                   &emu->efx_pcm_mixer[0]);
 542
 543        start_addr += channel_size;
 544        for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 545                snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 546                                           start_addr, start_addr + channel_size,
 547                                           &emu->efx_pcm_mixer[i]);
 548                start_addr += channel_size;
 549        }
 550
 551        return 0;
 552}
 553
 554static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
 555{
 556        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 557                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 558                                 SNDRV_PCM_INFO_RESUME |
 559                                 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 560        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 561        .rates =                SNDRV_PCM_RATE_48000,
 562        .rate_min =             48000,
 563        .rate_max =             48000,
 564        .channels_min =         NUM_EFX_PLAYBACK,
 565        .channels_max =         NUM_EFX_PLAYBACK,
 566        .buffer_bytes_max =     (64*1024),
 567        .period_bytes_min =     64,
 568        .period_bytes_max =     (64*1024),
 569        .periods_min =          2,
 570        .periods_max =          2,
 571        .fifo_size =            0,
 572};
 573
 574static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 575{
 576        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 577        struct snd_pcm_runtime *runtime = substream->runtime;
 578        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 579        int idx;
 580
 581        /* zeroing the buffer size will stop capture */
 582        snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 583        switch (epcm->type) {
 584        case CAPTURE_AC97ADC:
 585                snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 586                break;
 587        case CAPTURE_EFX:
 588                if (emu->audigy) {
 589                        snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 590                        snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 591                } else
 592                        snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 593                break;
 594        default:
 595                break;
 596        }       
 597        snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 598        epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 599        epcm->capture_bs_val = 0;
 600        for (idx = 0; idx < 31; idx++) {
 601                if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 602                        epcm->capture_bs_val = idx + 1;
 603                        break;
 604                }
 605        }
 606        if (epcm->capture_bs_val == 0) {
 607                snd_BUG();
 608                epcm->capture_bs_val++;
 609        }
 610        if (epcm->type == CAPTURE_AC97ADC) {
 611                epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 612                if (runtime->channels > 1)
 613                        epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 614                epcm->capture_cr_val |= emu->audigy ?
 615                        snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 616                        snd_emu10k1_capture_rate_reg(runtime->rate);
 617        }
 618        return 0;
 619}
 620
 621static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 622{
 623        struct snd_pcm_runtime *runtime;
 624        unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 625
 626        if (evoice == NULL)
 627                return;
 628        runtime = evoice->epcm->substream->runtime;
 629        voice = evoice->number;
 630        stereo = (!extra && runtime->channels == 2);
 631        sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 632        ccis = emu10k1_ccis(stereo, sample == 0);
 633        /* set cs to 2 * number of cache registers beside the invalidated */
 634        cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 635        if (cs > 16) cs = 16;
 636        for (i = 0; i < cs; i++) {
 637                snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 638                if (stereo) {
 639                        snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 640                }
 641        }
 642        /* reset cache */
 643        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 644        snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 645        if (stereo) {
 646                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 647                snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 648        }
 649        /* fill cache */
 650        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 651        if (stereo) {
 652                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 653        }
 654}
 655
 656static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 657                                               int master, int extra,
 658                                               struct snd_emu10k1_pcm_mixer *mix)
 659{
 660        struct snd_pcm_substream *substream;
 661        struct snd_pcm_runtime *runtime;
 662        unsigned int attn, vattn;
 663        unsigned int voice, tmp;
 664
 665        if (evoice == NULL)     /* skip second voice for mono */
 666                return;
 667        substream = evoice->epcm->substream;
 668        runtime = substream->runtime;
 669        voice = evoice->number;
 670
 671        attn = extra ? 0 : 0x00ff;
 672        tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 673        vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 674        snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 675        snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 676        snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 677        snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 678        snd_emu10k1_voice_clear_loop_stop(emu, voice);
 679}       
 680
 681static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 682{
 683        struct snd_pcm_substream *substream;
 684        struct snd_pcm_runtime *runtime;
 685        unsigned int voice, pitch, pitch_target;
 686
 687        if (evoice == NULL)     /* skip second voice for mono */
 688                return;
 689        substream = evoice->epcm->substream;
 690        runtime = substream->runtime;
 691        voice = evoice->number;
 692
 693        pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 694        if (emu->card_capabilities->emu_model)
 695                pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 696        else 
 697                pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 698        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 699        if (master || evoice->epcm->type == PLAYBACK_EFX)
 700                snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 701        snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 702        if (extra)
 703                snd_emu10k1_voice_intr_enable(emu, voice);
 704}
 705
 706static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 707{
 708        unsigned int voice;
 709
 710        if (evoice == NULL)
 711                return;
 712        voice = evoice->number;
 713        snd_emu10k1_voice_intr_disable(emu, voice);
 714        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 715        snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 716        snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 717        snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 718        snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 719        snd_emu10k1_ptr_write(emu, IP, voice, 0);
 720}
 721
 722static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 723                struct snd_emu10k1_pcm *epcm,
 724                struct snd_pcm_substream *substream,
 725                struct snd_pcm_runtime *runtime)
 726{
 727        unsigned int ptr, period_pos;
 728
 729        /* try to sychronize the current position for the interrupt
 730           source voice */
 731        period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 732        period_pos %= runtime->period_size;
 733        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 734        ptr &= ~0x00ffffff;
 735        ptr |= epcm->ccca_start_addr + period_pos;
 736        snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 737}
 738
 739static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 740                                        int cmd)
 741{
 742        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 743        struct snd_pcm_runtime *runtime = substream->runtime;
 744        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 745        struct snd_emu10k1_pcm_mixer *mix;
 746        int result = 0;
 747
 748        /*
 749        dev_dbg(emu->card->dev,
 750                "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 751               (int)emu, cmd, substream->ops->pointer(substream))
 752        */
 753        spin_lock(&emu->reg_lock);
 754        switch (cmd) {
 755        case SNDRV_PCM_TRIGGER_START:
 756                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 757                snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 758                fallthrough;
 759        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 760        case SNDRV_PCM_TRIGGER_RESUME:
 761                if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 762                        snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 763                mix = &emu->pcm_mixer[substream->number];
 764                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 765                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 766                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 767                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 768                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 769                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 770                epcm->running = 1;
 771                break;
 772        case SNDRV_PCM_TRIGGER_STOP:
 773        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 774        case SNDRV_PCM_TRIGGER_SUSPEND:
 775                epcm->running = 0;
 776                snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 777                snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 778                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 779                break;
 780        default:
 781                result = -EINVAL;
 782                break;
 783        }
 784        spin_unlock(&emu->reg_lock);
 785        return result;
 786}
 787
 788static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 789                                       int cmd)
 790{
 791        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 792        struct snd_pcm_runtime *runtime = substream->runtime;
 793        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 794        int result = 0;
 795
 796        spin_lock(&emu->reg_lock);
 797        switch (cmd) {
 798        case SNDRV_PCM_TRIGGER_START:
 799        case SNDRV_PCM_TRIGGER_RESUME:
 800                /* hmm this should cause full and half full interrupt to be raised? */
 801                outl(epcm->capture_ipr, emu->port + IPR);
 802                snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 803                /*
 804                dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n",
 805                       epcm->adccr, epcm->adcbs);
 806                */
 807                switch (epcm->type) {
 808                case CAPTURE_AC97ADC:
 809                        snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 810                        break;
 811                case CAPTURE_EFX:
 812                        if (emu->audigy) {
 813                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 814                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 815                                dev_dbg(emu->card->dev,
 816                                        "cr_val=0x%x, cr_val2=0x%x\n",
 817                                        epcm->capture_cr_val,
 818                                        epcm->capture_cr_val2);
 819                        } else
 820                                snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 821                        break;
 822                default:        
 823                        break;
 824                }
 825                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 826                epcm->running = 1;
 827                epcm->first_ptr = 1;
 828                break;
 829        case SNDRV_PCM_TRIGGER_STOP:
 830        case SNDRV_PCM_TRIGGER_SUSPEND:
 831                epcm->running = 0;
 832                snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 833                outl(epcm->capture_ipr, emu->port + IPR);
 834                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 835                switch (epcm->type) {
 836                case CAPTURE_AC97ADC:
 837                        snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 838                        break;
 839                case CAPTURE_EFX:
 840                        if (emu->audigy) {
 841                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 842                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 843                        } else
 844                                snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 845                        break;
 846                default:
 847                        break;
 848                }
 849                break;
 850        default:
 851                result = -EINVAL;
 852        }
 853        spin_unlock(&emu->reg_lock);
 854        return result;
 855}
 856
 857static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 858{
 859        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 860        struct snd_pcm_runtime *runtime = substream->runtime;
 861        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 862        unsigned int ptr;
 863
 864        if (!epcm->running)
 865                return 0;
 866        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 867#if 0   /* Perex's code */
 868        ptr += runtime->buffer_size;
 869        ptr -= epcm->ccca_start_addr;
 870        ptr %= runtime->buffer_size;
 871#else   /* EMU10K1 Open Source code from Creative */
 872        if (ptr < epcm->ccca_start_addr)
 873                ptr += runtime->buffer_size - epcm->ccca_start_addr;
 874        else {
 875                ptr -= epcm->ccca_start_addr;
 876                if (ptr >= runtime->buffer_size)
 877                        ptr -= runtime->buffer_size;
 878        }
 879#endif
 880        /*
 881        dev_dbg(emu->card->dev,
 882               "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 883               (long)ptr, (long)runtime->buffer_size,
 884               (long)runtime->period_size);
 885        */
 886        return ptr;
 887}
 888
 889
 890static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 891                                        int cmd)
 892{
 893        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 894        struct snd_pcm_runtime *runtime = substream->runtime;
 895        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 896        int i;
 897        int result = 0;
 898
 899        spin_lock(&emu->reg_lock);
 900        switch (cmd) {
 901        case SNDRV_PCM_TRIGGER_START:
 902                /* prepare voices */
 903                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 904                        snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 905                }
 906                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 907                fallthrough;
 908        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 909        case SNDRV_PCM_TRIGGER_RESUME:
 910                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 911                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 912                                                   &emu->efx_pcm_mixer[0]);
 913                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 914                        snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 915                                                           &emu->efx_pcm_mixer[i]);
 916                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 917                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 918                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 919                        snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 920                epcm->running = 1;
 921                break;
 922        case SNDRV_PCM_TRIGGER_SUSPEND:
 923        case SNDRV_PCM_TRIGGER_STOP:
 924        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 925                epcm->running = 0;
 926                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 927                        snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 928                }
 929                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 930                break;
 931        default:
 932                result = -EINVAL;
 933                break;
 934        }
 935        spin_unlock(&emu->reg_lock);
 936        return result;
 937}
 938
 939
 940static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 941{
 942        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 943        struct snd_pcm_runtime *runtime = substream->runtime;
 944        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 945        unsigned int ptr;
 946
 947        if (!epcm->running)
 948                return 0;
 949        if (epcm->first_ptr) {
 950                udelay(50);     /* hack, it takes awhile until capture is started */
 951                epcm->first_ptr = 0;
 952        }
 953        ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 954        return bytes_to_frames(runtime, ptr);
 955}
 956
 957/*
 958 *  Playback support device description
 959 */
 960
 961static const struct snd_pcm_hardware snd_emu10k1_playback =
 962{
 963        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 964                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 965                                 SNDRV_PCM_INFO_RESUME |
 966                                 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 967        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 968        .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 969        .rate_min =             4000,
 970        .rate_max =             96000,
 971        .channels_min =         1,
 972        .channels_max =         2,
 973        .buffer_bytes_max =     (128*1024),
 974        .period_bytes_min =     64,
 975        .period_bytes_max =     (128*1024),
 976        .periods_min =          1,
 977        .periods_max =          1024,
 978        .fifo_size =            0,
 979};
 980
 981/*
 982 *  Capture support device description
 983 */
 984
 985static const struct snd_pcm_hardware snd_emu10k1_capture =
 986{
 987        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 988                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 989                                 SNDRV_PCM_INFO_RESUME |
 990                                 SNDRV_PCM_INFO_MMAP_VALID),
 991        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 992        .rates =                SNDRV_PCM_RATE_8000_48000,
 993        .rate_min =             8000,
 994        .rate_max =             48000,
 995        .channels_min =         1,
 996        .channels_max =         2,
 997        .buffer_bytes_max =     (64*1024),
 998        .period_bytes_min =     384,
 999        .period_bytes_max =     (64*1024),
1000        .periods_min =          2,
1001        .periods_max =          2,
1002        .fifo_size =            0,
1003};
1004
1005static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
1006{
1007        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1008                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1009                                 SNDRV_PCM_INFO_RESUME |
1010                                 SNDRV_PCM_INFO_MMAP_VALID),
1011        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1012        .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 
1013                                 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 
1014                                 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1015        .rate_min =             44100,
1016        .rate_max =             192000,
1017        .channels_min =         8,
1018        .channels_max =         8,
1019        .buffer_bytes_max =     (64*1024),
1020        .period_bytes_min =     384,
1021        .period_bytes_max =     (64*1024),
1022        .periods_min =          2,
1023        .periods_max =          2,
1024        .fifo_size =            0,
1025};
1026
1027/*
1028 *
1029 */
1030
1031static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1032{
1033        struct snd_ctl_elem_id id;
1034
1035        if (! kctl)
1036                return;
1037        if (activate)
1038                kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1039        else
1040                kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1041        snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1042                       SNDRV_CTL_EVENT_MASK_INFO,
1043                       snd_ctl_build_ioff(&id, kctl, idx));
1044}
1045
1046static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1047{
1048        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1049        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1050        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1051}
1052
1053static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1054{
1055        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1056        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1057        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1058}
1059
1060static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1061{
1062        kfree(runtime->private_data);
1063}
1064
1065static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1066{
1067        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1068        struct snd_emu10k1_pcm_mixer *mix;
1069        int i;
1070
1071        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1072                mix = &emu->efx_pcm_mixer[i];
1073                mix->epcm = NULL;
1074                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1075        }
1076        return 0;
1077}
1078
1079static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1080{
1081        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1082        struct snd_emu10k1_pcm *epcm;
1083        struct snd_emu10k1_pcm_mixer *mix;
1084        struct snd_pcm_runtime *runtime = substream->runtime;
1085        int i;
1086
1087        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1088        if (epcm == NULL)
1089                return -ENOMEM;
1090        epcm->emu = emu;
1091        epcm->type = PLAYBACK_EFX;
1092        epcm->substream = substream;
1093        
1094        emu->pcm_playback_efx_substream = substream;
1095
1096        runtime->private_data = epcm;
1097        runtime->private_free = snd_emu10k1_pcm_free_substream;
1098        runtime->hw = snd_emu10k1_efx_playback;
1099        
1100        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1101                mix = &emu->efx_pcm_mixer[i];
1102                mix->send_routing[0][0] = i;
1103                memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1104                mix->send_volume[0][0] = 255;
1105                mix->attn[0] = 0xffff;
1106                mix->epcm = epcm;
1107                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1108        }
1109        return 0;
1110}
1111
1112static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1113{
1114        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1115        struct snd_emu10k1_pcm *epcm;
1116        struct snd_emu10k1_pcm_mixer *mix;
1117        struct snd_pcm_runtime *runtime = substream->runtime;
1118        int i, err, sample_rate;
1119
1120        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1121        if (epcm == NULL)
1122                return -ENOMEM;
1123        epcm->emu = emu;
1124        epcm->type = PLAYBACK_EMUVOICE;
1125        epcm->substream = substream;
1126        runtime->private_data = epcm;
1127        runtime->private_free = snd_emu10k1_pcm_free_substream;
1128        runtime->hw = snd_emu10k1_playback;
1129        err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1130        if (err < 0) {
1131                kfree(epcm);
1132                return err;
1133        }
1134        err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
1135        if (err < 0) {
1136                kfree(epcm);
1137                return err;
1138        }
1139        if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0)
1140                sample_rate = 44100;
1141        else
1142                sample_rate = 48000;
1143        err = snd_pcm_hw_rule_noresample(runtime, sample_rate);
1144        if (err < 0) {
1145                kfree(epcm);
1146                return err;
1147        }
1148        mix = &emu->pcm_mixer[substream->number];
1149        for (i = 0; i < 4; i++)
1150                mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1151        memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1152        mix->send_volume[0][0] = mix->send_volume[0][1] =
1153        mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1154        mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1155        mix->epcm = epcm;
1156        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1157        return 0;
1158}
1159
1160static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1161{
1162        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1163        struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1164
1165        mix->epcm = NULL;
1166        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1167        return 0;
1168}
1169
1170static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1171{
1172        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1173        struct snd_pcm_runtime *runtime = substream->runtime;
1174        struct snd_emu10k1_pcm *epcm;
1175
1176        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1177        if (epcm == NULL)
1178                return -ENOMEM;
1179        epcm->emu = emu;
1180        epcm->type = CAPTURE_AC97ADC;
1181        epcm->substream = substream;
1182        epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1183        epcm->capture_inte = INTE_ADCBUFENABLE;
1184        epcm->capture_ba_reg = ADCBA;
1185        epcm->capture_bs_reg = ADCBS;
1186        epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1187        runtime->private_data = epcm;
1188        runtime->private_free = snd_emu10k1_pcm_free_substream;
1189        runtime->hw = snd_emu10k1_capture;
1190        emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1191        emu->pcm_capture_substream = substream;
1192        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1193        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1194        return 0;
1195}
1196
1197static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1198{
1199        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1200
1201        emu->capture_interrupt = NULL;
1202        emu->pcm_capture_substream = NULL;
1203        return 0;
1204}
1205
1206static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1207{
1208        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1209        struct snd_emu10k1_pcm *epcm;
1210        struct snd_pcm_runtime *runtime = substream->runtime;
1211
1212        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1213        if (epcm == NULL)
1214                return -ENOMEM;
1215        epcm->emu = emu;
1216        epcm->type = CAPTURE_AC97MIC;
1217        epcm->substream = substream;
1218        epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1219        epcm->capture_inte = INTE_MICBUFENABLE;
1220        epcm->capture_ba_reg = MICBA;
1221        epcm->capture_bs_reg = MICBS;
1222        epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1223        substream->runtime->private_data = epcm;
1224        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1225        runtime->hw = snd_emu10k1_capture;
1226        runtime->hw.rates = SNDRV_PCM_RATE_8000;
1227        runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1228        runtime->hw.channels_min = 1;
1229        emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1230        emu->pcm_capture_mic_substream = substream;
1231        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1232        return 0;
1233}
1234
1235static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1236{
1237        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1238
1239        emu->capture_interrupt = NULL;
1240        emu->pcm_capture_mic_substream = NULL;
1241        return 0;
1242}
1243
1244static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1245{
1246        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1247        struct snd_emu10k1_pcm *epcm;
1248        struct snd_pcm_runtime *runtime = substream->runtime;
1249        int nefx = emu->audigy ? 64 : 32;
1250        int idx;
1251
1252        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1253        if (epcm == NULL)
1254                return -ENOMEM;
1255        epcm->emu = emu;
1256        epcm->type = CAPTURE_EFX;
1257        epcm->substream = substream;
1258        epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1259        epcm->capture_inte = INTE_EFXBUFENABLE;
1260        epcm->capture_ba_reg = FXBA;
1261        epcm->capture_bs_reg = FXBS;
1262        epcm->capture_idx_reg = FXIDX;
1263        substream->runtime->private_data = epcm;
1264        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1265        runtime->hw = snd_emu10k1_capture_efx;
1266        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1267        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1268        spin_lock_irq(&emu->reg_lock);
1269        if (emu->card_capabilities->emu_model) {
1270                /*  Nb. of channels has been increased to 16 */
1271                /* TODO
1272                 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1273                 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1274                 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1275                 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1276                 * rate_min = 44100,
1277                 * rate_max = 192000,
1278                 * channels_min = 16,
1279                 * channels_max = 16,
1280                 * Need to add mixer control to fix sample rate
1281                 *                 
1282                 * There are 32 mono channels of 16bits each.
1283                 * 24bit Audio uses 2x channels over 16bit
1284                 * 96kHz uses 2x channels over 48kHz
1285                 * 192kHz uses 4x channels over 48kHz
1286                 * So, for 48kHz 24bit, one has 16 channels
1287                 * for 96kHz 24bit, one has 8 channels
1288                 * for 192kHz 24bit, one has 4 channels
1289                 *
1290                 */
1291#if 1
1292                switch (emu->emu1010.internal_clock) {
1293                case 0:
1294                        /* For 44.1kHz */
1295                        runtime->hw.rates = SNDRV_PCM_RATE_44100;
1296                        runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1297                        runtime->hw.channels_min =
1298                                runtime->hw.channels_max = 16;
1299                        break;
1300                case 1:
1301                        /* For 48kHz */
1302                        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1303                        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1304                        runtime->hw.channels_min =
1305                                runtime->hw.channels_max = 16;
1306                        break;
1307                }
1308#endif
1309#if 0
1310                /* For 96kHz */
1311                runtime->hw.rates = SNDRV_PCM_RATE_96000;
1312                runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1313                runtime->hw.channels_min = runtime->hw.channels_max = 4;
1314#endif
1315#if 0
1316                /* For 192kHz */
1317                runtime->hw.rates = SNDRV_PCM_RATE_192000;
1318                runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1319                runtime->hw.channels_min = runtime->hw.channels_max = 2;
1320#endif
1321                runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1322                /* efx_voices_mask[0] is expected to be zero
1323                 * efx_voices_mask[1] is expected to have 32bits set
1324                 */
1325        } else {
1326                runtime->hw.channels_min = runtime->hw.channels_max = 0;
1327                for (idx = 0; idx < nefx; idx++) {
1328                        if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1329                                runtime->hw.channels_min++;
1330                                runtime->hw.channels_max++;
1331                        }
1332                }
1333        }
1334        epcm->capture_cr_val = emu->efx_voices_mask[0];
1335        epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1336        spin_unlock_irq(&emu->reg_lock);
1337        emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1338        emu->pcm_capture_efx_substream = substream;
1339        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1340        return 0;
1341}
1342
1343static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1344{
1345        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1346
1347        emu->capture_interrupt = NULL;
1348        emu->pcm_capture_efx_substream = NULL;
1349        return 0;
1350}
1351
1352static const struct snd_pcm_ops snd_emu10k1_playback_ops = {
1353        .open =                 snd_emu10k1_playback_open,
1354        .close =                snd_emu10k1_playback_close,
1355        .hw_params =            snd_emu10k1_playback_hw_params,
1356        .hw_free =              snd_emu10k1_playback_hw_free,
1357        .prepare =              snd_emu10k1_playback_prepare,
1358        .trigger =              snd_emu10k1_playback_trigger,
1359        .pointer =              snd_emu10k1_playback_pointer,
1360};
1361
1362static const struct snd_pcm_ops snd_emu10k1_capture_ops = {
1363        .open =                 snd_emu10k1_capture_open,
1364        .close =                snd_emu10k1_capture_close,
1365        .prepare =              snd_emu10k1_capture_prepare,
1366        .trigger =              snd_emu10k1_capture_trigger,
1367        .pointer =              snd_emu10k1_capture_pointer,
1368};
1369
1370/* EFX playback */
1371static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1372        .open =                 snd_emu10k1_efx_playback_open,
1373        .close =                snd_emu10k1_efx_playback_close,
1374        .hw_params =            snd_emu10k1_playback_hw_params,
1375        .hw_free =              snd_emu10k1_efx_playback_hw_free,
1376        .prepare =              snd_emu10k1_efx_playback_prepare,
1377        .trigger =              snd_emu10k1_efx_playback_trigger,
1378        .pointer =              snd_emu10k1_efx_playback_pointer,
1379};
1380
1381int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device)
1382{
1383        struct snd_pcm *pcm;
1384        struct snd_pcm_substream *substream;
1385        int err;
1386
1387        err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm);
1388        if (err < 0)
1389                return err;
1390
1391        pcm->private_data = emu;
1392
1393        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1394        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1395
1396        pcm->info_flags = 0;
1397        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1398        strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1399        emu->pcm = pcm;
1400
1401        /* playback substream can't use managed buffers due to alignment */
1402        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1403                snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1404                                              &emu->pci->dev,
1405                                              64*1024, 64*1024);
1406
1407        for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1408                snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
1409                                           &emu->pci->dev, 64*1024, 64*1024);
1410
1411        return 0;
1412}
1413
1414int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device)
1415{
1416        struct snd_pcm *pcm;
1417        struct snd_pcm_substream *substream;
1418        int err;
1419
1420        err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm);
1421        if (err < 0)
1422                return err;
1423
1424        pcm->private_data = emu;
1425
1426        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1427
1428        pcm->info_flags = 0;
1429        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1430        strcpy(pcm->name, "Multichannel Playback");
1431        emu->pcm_multi = pcm;
1432
1433        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1434                snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
1435                                              &emu->pci->dev,
1436                                              64*1024, 64*1024);
1437
1438        return 0;
1439}
1440
1441
1442static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1443        .open =                 snd_emu10k1_capture_mic_open,
1444        .close =                snd_emu10k1_capture_mic_close,
1445        .prepare =              snd_emu10k1_capture_prepare,
1446        .trigger =              snd_emu10k1_capture_trigger,
1447        .pointer =              snd_emu10k1_capture_pointer,
1448};
1449
1450int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device)
1451{
1452        struct snd_pcm *pcm;
1453        int err;
1454
1455        err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm);
1456        if (err < 0)
1457                return err;
1458
1459        pcm->private_data = emu;
1460
1461        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1462
1463        pcm->info_flags = 0;
1464        strcpy(pcm->name, "Mic Capture");
1465        emu->pcm_mic = pcm;
1466
1467        snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
1468                                       64*1024, 64*1024);
1469
1470        return 0;
1471}
1472
1473static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1474{
1475        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1476        int nefx = emu->audigy ? 64 : 32;
1477        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1478        uinfo->count = nefx;
1479        uinfo->value.integer.min = 0;
1480        uinfo->value.integer.max = 1;
1481        return 0;
1482}
1483
1484static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1485{
1486        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1487        int nefx = emu->audigy ? 64 : 32;
1488        int idx;
1489        
1490        spin_lock_irq(&emu->reg_lock);
1491        for (idx = 0; idx < nefx; idx++)
1492                ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1493        spin_unlock_irq(&emu->reg_lock);
1494        return 0;
1495}
1496
1497static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1498{
1499        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1500        unsigned int nval[2], bits;
1501        int nefx = emu->audigy ? 64 : 32;
1502        int nefxb = emu->audigy ? 7 : 6;
1503        int change, idx;
1504        
1505        nval[0] = nval[1] = 0;
1506        for (idx = 0, bits = 0; idx < nefx; idx++)
1507                if (ucontrol->value.integer.value[idx]) {
1508                        nval[idx / 32] |= 1 << (idx % 32);
1509                        bits++;
1510                }
1511                
1512        for (idx = 0; idx < nefxb; idx++)
1513                if (1 << idx == bits)
1514                        break;
1515        
1516        if (idx >= nefxb)
1517                return -EINVAL;
1518
1519        spin_lock_irq(&emu->reg_lock);
1520        change = (nval[0] != emu->efx_voices_mask[0]) ||
1521                (nval[1] != emu->efx_voices_mask[1]);
1522        emu->efx_voices_mask[0] = nval[0];
1523        emu->efx_voices_mask[1] = nval[1];
1524        spin_unlock_irq(&emu->reg_lock);
1525        return change;
1526}
1527
1528static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1529        .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1530        .name = "Captured FX8010 Outputs",
1531        .info = snd_emu10k1_pcm_efx_voices_mask_info,
1532        .get = snd_emu10k1_pcm_efx_voices_mask_get,
1533        .put = snd_emu10k1_pcm_efx_voices_mask_put
1534};
1535
1536static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1537        .open =                 snd_emu10k1_capture_efx_open,
1538        .close =                snd_emu10k1_capture_efx_close,
1539        .prepare =              snd_emu10k1_capture_prepare,
1540        .trigger =              snd_emu10k1_capture_trigger,
1541        .pointer =              snd_emu10k1_capture_pointer,
1542};
1543
1544
1545/* EFX playback */
1546
1547#define INITIAL_TRAM_SHIFT     14
1548#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1549
1550static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1551{
1552        struct snd_pcm_substream *substream = private_data;
1553        snd_pcm_period_elapsed(substream);
1554}
1555
1556static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1557                                                   unsigned short *dst_right,
1558                                                   unsigned short *src,
1559                                                   unsigned int count,
1560                                                   unsigned int tram_shift)
1561{
1562        /*
1563        dev_dbg(emu->card->dev,
1564                "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1565               "src = 0x%p, count = 0x%x\n",
1566               dst_left, dst_right, src, count);
1567        */
1568        if ((tram_shift & 1) == 0) {
1569                while (count--) {
1570                        *dst_left-- = *src++;
1571                        *dst_right-- = *src++;
1572                }
1573        } else {
1574                while (count--) {
1575                        *dst_right-- = *src++;
1576                        *dst_left-- = *src++;
1577                }
1578        }
1579}
1580
1581static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1582                                 struct snd_pcm_indirect *rec, size_t bytes)
1583{
1584        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1585        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1586        unsigned int tram_size = pcm->buffer_size;
1587        unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1588        unsigned int frames = bytes >> 2, count;
1589        unsigned int tram_pos = pcm->tram_pos;
1590        unsigned int tram_shift = pcm->tram_shift;
1591
1592        while (frames > tram_pos) {
1593                count = tram_pos + 1;
1594                snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1595                                                       (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1596                                                       src, count, tram_shift);
1597                src += count * 2;
1598                frames -= count;
1599                tram_pos = (tram_size / 2) - 1;
1600                tram_shift++;
1601        }
1602        snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1603                                               (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1604                                               src, frames, tram_shift);
1605        tram_pos -= frames;
1606        pcm->tram_pos = tram_pos;
1607        pcm->tram_shift = tram_shift;
1608}
1609
1610static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1611{
1612        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1613        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1614
1615        return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec,
1616                                                  fx8010_pb_trans_copy);
1617}
1618
1619static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1620{
1621        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1622        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1623        unsigned int i;
1624
1625        for (i = 0; i < pcm->channels; i++)
1626                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1627        return 0;
1628}
1629
1630static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1631{
1632        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1633        struct snd_pcm_runtime *runtime = substream->runtime;
1634        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1635        unsigned int i;
1636        
1637        /*
1638        dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1639               "buffer_size = 0x%x (0x%x)\n",
1640               emu->fx8010.etram_pages, runtime->dma_area,
1641               runtime->buffer_size, runtime->buffer_size << 2);
1642        */
1643        memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1644        pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1645        pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1646        pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1647        pcm->tram_shift = 0;
1648        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1649        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1650        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1651        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1652        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1653        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1654        for (i = 0; i < pcm->channels; i++)
1655                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1656        return 0;
1657}
1658
1659static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1660{
1661        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1662        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1663        int result = 0;
1664
1665        spin_lock(&emu->reg_lock);
1666        switch (cmd) {
1667        case SNDRV_PCM_TRIGGER_START:
1668                /* follow thru */
1669        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1670        case SNDRV_PCM_TRIGGER_RESUME:
1671#ifdef EMU10K1_SET_AC3_IEC958
1672        {
1673                int i;
1674                for (i = 0; i < 3; i++) {
1675                        unsigned int bits;
1676                        bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1677                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1678                               0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1679                        snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1680                }
1681        }
1682#endif
1683                result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1684                if (result < 0)
1685                        goto __err;
1686                snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1687                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1688                break;
1689        case SNDRV_PCM_TRIGGER_STOP:
1690        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1691        case SNDRV_PCM_TRIGGER_SUSPEND:
1692                snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq);
1693                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1694                pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1695                pcm->tram_shift = 0;
1696                break;
1697        default:
1698                result = -EINVAL;
1699                break;
1700        }
1701      __err:
1702        spin_unlock(&emu->reg_lock);
1703        return result;
1704}
1705
1706static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1707{
1708        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1709        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1710        size_t ptr; /* byte pointer */
1711
1712        if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1713                return 0;
1714        ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1715        return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1716}
1717
1718static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1719{
1720        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1721                                 SNDRV_PCM_INFO_RESUME |
1722                                 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE |
1723                                 SNDRV_PCM_INFO_SYNC_APPLPTR),
1724        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1725        .rates =                SNDRV_PCM_RATE_48000,
1726        .rate_min =             48000,
1727        .rate_max =             48000,
1728        .channels_min =         1,
1729        .channels_max =         1,
1730        .buffer_bytes_max =     (128*1024),
1731        .period_bytes_min =     1024,
1732        .period_bytes_max =     (128*1024),
1733        .periods_min =          2,
1734        .periods_max =          1024,
1735        .fifo_size =            0,
1736};
1737
1738static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1739{
1740        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1741        struct snd_pcm_runtime *runtime = substream->runtime;
1742        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1743
1744        runtime->hw = snd_emu10k1_fx8010_playback;
1745        runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1746        runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1747        spin_lock_irq(&emu->reg_lock);
1748        if (pcm->valid == 0) {
1749                spin_unlock_irq(&emu->reg_lock);
1750                return -ENODEV;
1751        }
1752        pcm->opened = 1;
1753        spin_unlock_irq(&emu->reg_lock);
1754        return 0;
1755}
1756
1757static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1758{
1759        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1760        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1761
1762        spin_lock_irq(&emu->reg_lock);
1763        pcm->opened = 0;
1764        spin_unlock_irq(&emu->reg_lock);
1765        return 0;
1766}
1767
1768static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1769        .open =                 snd_emu10k1_fx8010_playback_open,
1770        .close =                snd_emu10k1_fx8010_playback_close,
1771        .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1772        .prepare =              snd_emu10k1_fx8010_playback_prepare,
1773        .trigger =              snd_emu10k1_fx8010_playback_trigger,
1774        .pointer =              snd_emu10k1_fx8010_playback_pointer,
1775        .ack =                  snd_emu10k1_fx8010_playback_transfer,
1776};
1777
1778int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
1779{
1780        struct snd_pcm *pcm;
1781        struct snd_kcontrol *kctl;
1782        int err;
1783
1784        err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm);
1785        if (err < 0)
1786                return err;
1787
1788        pcm->private_data = emu;
1789
1790        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1791        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1792
1793        pcm->info_flags = 0;
1794        strcpy(pcm->name, "Multichannel Capture/PT Playback");
1795        emu->pcm_efx = pcm;
1796
1797        /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 
1798         * to these
1799         */     
1800        
1801        /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1802        if (emu->audigy) {
1803                emu->efx_voices_mask[0] = 0;
1804                if (emu->card_capabilities->emu_model)
1805                        /* Pavel Hofman - 32 voices will be used for
1806                         * capture (write mode) -
1807                         * each bit = corresponding voice
1808                         */
1809                        emu->efx_voices_mask[1] = 0xffffffff;
1810                else
1811                        emu->efx_voices_mask[1] = 0xffff;
1812        } else {
1813                emu->efx_voices_mask[0] = 0xffff0000;
1814                emu->efx_voices_mask[1] = 0;
1815        }
1816        /* For emu1010, the control has to set 32 upper bits (voices)
1817         * out of the 64 bits (voices) to true for the 16-channels capture
1818         * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1819         * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1820         * control can override this register's value.
1821         */
1822        kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1823        if (!kctl)
1824                return -ENOMEM;
1825        kctl->id.device = device;
1826        err = snd_ctl_add(emu->card, kctl);
1827        if (err < 0)
1828                return err;
1829
1830        snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev,
1831                                       64*1024, 64*1024);
1832
1833        return 0;
1834}
1835