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