linux/sound/pci/emu10k1/emupcm.c
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   1/*
   2 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   3 *                   Creative Labs, Inc.
   4 *  Routines for control of EMU10K1 chips / PCM routines
   5 *  Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com>
   6 *
   7 *  BUGS:
   8 *    --
   9 *
  10 *  TODO:
  11 *    --
  12 *
  13 *   This program is free software; you can redistribute it and/or modify
  14 *   it under the terms of the GNU General Public License as published by
  15 *   the Free Software Foundation; either version 2 of the License, or
  16 *   (at your option) any later version.
  17 *
  18 *   This program is distributed in the hope that it will be useful,
  19 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 *   GNU General Public License for more details.
  22 *
  23 *   You should have received a copy of the GNU General Public License
  24 *   along with this program; if not, write to the Free Software
  25 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  26 *
  27 */
  28
  29#include <linux/pci.h>
  30#include <linux/delay.h>
  31#include <linux/slab.h>
  32#include <linux/time.h>
  33#include <linux/init.h>
  34#include <sound/core.h>
  35#include <sound/emu10k1.h>
  36
  37static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu,
  38                                      struct snd_emu10k1_voice *voice)
  39{
  40        struct snd_emu10k1_pcm *epcm;
  41
  42        if ((epcm = voice->epcm) == NULL)
  43                return;
  44        if (epcm->substream == NULL)
  45                return;
  46#if 0
  47        printk(KERN_DEBUG "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  48                        epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  49                        snd_pcm_lib_period_bytes(epcm->substream),
  50                        snd_pcm_lib_buffer_bytes(epcm->substream));
  51#endif
  52        snd_pcm_period_elapsed(epcm->substream);
  53}
  54
  55static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu,
  56                                              unsigned int status)
  57{
  58#if 0
  59        if (status & IPR_ADCBUFHALFFULL) {
  60                if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  61                        return;
  62        }
  63#endif
  64        snd_pcm_period_elapsed(emu->pcm_capture_substream);
  65}
  66
  67static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu,
  68                                              unsigned int status)
  69{
  70#if 0
  71        if (status & IPR_MICBUFHALFFULL) {
  72                if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  73                        return;
  74        }
  75#endif
  76        snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  77}
  78
  79static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu,
  80                                          unsigned int status)
  81{
  82#if 0
  83        if (status & IPR_EFXBUFHALFFULL) {
  84                if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  85                        return;
  86        }
  87#endif
  88        snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  89}        
  90
  91static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream)
  92{
  93        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
  94        struct snd_pcm_runtime *runtime = substream->runtime;
  95        struct snd_emu10k1_pcm *epcm = runtime->private_data;
  96        unsigned int ptr;
  97
  98        if (!epcm->running)
  99                return 0;
 100        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 101        ptr += runtime->buffer_size;
 102        ptr -= epcm->ccca_start_addr;
 103        ptr %= runtime->buffer_size;
 104
 105        return ptr;
 106}
 107
 108static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices)
 109{
 110        int err, i;
 111
 112        if (epcm->voices[1] != NULL && voices < 2) {
 113                snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 114                epcm->voices[1] = NULL;
 115        }
 116        for (i = 0; i < voices; i++) {
 117                if (epcm->voices[i] == NULL)
 118                        break;
 119        }
 120        if (i == voices)
 121                return 0; /* already allocated */
 122
 123        for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
 124                if (epcm->voices[i]) {
 125                        snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 126                        epcm->voices[i] = NULL;
 127                }
 128        }
 129        err = snd_emu10k1_voice_alloc(epcm->emu,
 130                                      epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 131                                      voices,
 132                                      &epcm->voices[0]);
 133        
 134        if (err < 0)
 135                return err;
 136        epcm->voices[0]->epcm = epcm;
 137        if (voices > 1) {
 138                for (i = 1; i < voices; i++) {
 139                        epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
 140                        epcm->voices[i]->epcm = epcm;
 141                }
 142        }
 143        if (epcm->extra == NULL) {
 144                err = snd_emu10k1_voice_alloc(epcm->emu,
 145                                              epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 146                                              1,
 147                                              &epcm->extra);
 148                if (err < 0) {
 149                        /*
 150                        printk(KERN_DEBUG "pcm_channel_alloc: "
 151                               "failed extra: voices=%d, frame=%d\n",
 152                               voices, frame);
 153                        */
 154                        for (i = 0; i < voices; i++) {
 155                                snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 156                                epcm->voices[i] = NULL;
 157                        }
 158                        return err;
 159                }
 160                epcm->extra->epcm = epcm;
 161                epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 162        }
 163        return 0;
 164}
 165
 166static unsigned int capture_period_sizes[31] = {
 167        384,    448,    512,    640,
 168        384*2,  448*2,  512*2,  640*2,
 169        384*4,  448*4,  512*4,  640*4,
 170        384*8,  448*8,  512*8,  640*8,
 171        384*16, 448*16, 512*16, 640*16,
 172        384*32, 448*32, 512*32, 640*32,
 173        384*64, 448*64, 512*64, 640*64,
 174        384*128,448*128,512*128
 175};
 176
 177static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = {
 178        .count = 31,
 179        .list = capture_period_sizes,
 180        .mask = 0
 181};
 182
 183static unsigned int capture_rates[8] = {
 184        8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 185};
 186
 187static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = {
 188        .count = 8,
 189        .list = capture_rates,
 190        .mask = 0
 191};
 192
 193static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 194{
 195        switch (rate) {
 196        case 8000:      return ADCCR_SAMPLERATE_8;
 197        case 11025:     return ADCCR_SAMPLERATE_11;
 198        case 16000:     return ADCCR_SAMPLERATE_16;
 199        case 22050:     return ADCCR_SAMPLERATE_22;
 200        case 24000:     return ADCCR_SAMPLERATE_24;
 201        case 32000:     return ADCCR_SAMPLERATE_32;
 202        case 44100:     return ADCCR_SAMPLERATE_44;
 203        case 48000:     return ADCCR_SAMPLERATE_48;
 204        default:
 205                        snd_BUG();
 206                        return ADCCR_SAMPLERATE_8;
 207        }
 208}
 209
 210static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 211{
 212        switch (rate) {
 213        case 8000:      return A_ADCCR_SAMPLERATE_8;
 214        case 11025:     return A_ADCCR_SAMPLERATE_11;
 215        case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 216        case 16000:     return ADCCR_SAMPLERATE_16;
 217        case 22050:     return ADCCR_SAMPLERATE_22;
 218        case 24000:     return ADCCR_SAMPLERATE_24;
 219        case 32000:     return ADCCR_SAMPLERATE_32;
 220        case 44100:     return ADCCR_SAMPLERATE_44;
 221        case 48000:     return ADCCR_SAMPLERATE_48;
 222        default:
 223                        snd_BUG();
 224                        return A_ADCCR_SAMPLERATE_8;
 225        }
 226}
 227
 228static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 229{
 230        unsigned int pitch_target;
 231
 232        pitch_target = (rate << 8) / 375;
 233        pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 234        return pitch_target;
 235}
 236
 237#define PITCH_48000 0x00004000
 238#define PITCH_96000 0x00008000
 239#define PITCH_85000 0x00007155
 240#define PITCH_80726 0x00006ba2
 241#define PITCH_67882 0x00005a82
 242#define PITCH_57081 0x00004c1c
 243
 244static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 245{
 246        if (pitch_target == PITCH_48000)
 247                return CCCA_INTERPROM_0;
 248        else if (pitch_target < PITCH_48000)
 249                return CCCA_INTERPROM_1;
 250        else if (pitch_target >= PITCH_96000)
 251                return CCCA_INTERPROM_0;
 252        else if (pitch_target >= PITCH_85000)
 253                return CCCA_INTERPROM_6;
 254        else if (pitch_target >= PITCH_80726)
 255                return CCCA_INTERPROM_5;
 256        else if (pitch_target >= PITCH_67882)
 257                return CCCA_INTERPROM_4;
 258        else if (pitch_target >= PITCH_57081)
 259                return CCCA_INTERPROM_3;
 260        else  
 261                return CCCA_INTERPROM_2;
 262}
 263
 264/*
 265 * calculate cache invalidate size 
 266 *
 267 * stereo: channel is stereo
 268 * w_16: using 16bit samples
 269 *
 270 * returns: cache invalidate size in samples
 271 */
 272static inline int emu10k1_ccis(int stereo, int w_16)
 273{
 274        if (w_16) {
 275                return stereo ? 24 : 26;
 276        } else {
 277                return stereo ? 24*2 : 26*2;
 278        }
 279}
 280
 281static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu,
 282                                       int master, int extra,
 283                                       struct snd_emu10k1_voice *evoice,
 284                                       unsigned int start_addr,
 285                                       unsigned int end_addr,
 286                                       struct snd_emu10k1_pcm_mixer *mix)
 287{
 288        struct snd_pcm_substream *substream = evoice->epcm->substream;
 289        struct snd_pcm_runtime *runtime = substream->runtime;
 290        unsigned int silent_page, tmp;
 291        int voice, stereo, w_16;
 292        unsigned char attn, send_amount[8];
 293        unsigned char send_routing[8];
 294        unsigned long flags;
 295        unsigned int pitch_target;
 296        unsigned int ccis;
 297
 298        voice = evoice->number;
 299        stereo = runtime->channels == 2;
 300        w_16 = snd_pcm_format_width(runtime->format) == 16;
 301
 302        if (!extra && stereo) {
 303                start_addr >>= 1;
 304                end_addr >>= 1;
 305        }
 306        if (w_16) {
 307                start_addr >>= 1;
 308                end_addr >>= 1;
 309        }
 310
 311        spin_lock_irqsave(&emu->reg_lock, flags);
 312
 313        /* volume parameters */
 314        if (extra) {
 315                attn = 0;
 316                memset(send_routing, 0, sizeof(send_routing));
 317                send_routing[0] = 0;
 318                send_routing[1] = 1;
 319                send_routing[2] = 2;
 320                send_routing[3] = 3;
 321                memset(send_amount, 0, sizeof(send_amount));
 322        } else {
 323                /* mono, left, right (master voice = left) */
 324                tmp = stereo ? (master ? 1 : 2) : 0;
 325                memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 326                memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 327        }
 328
 329        ccis = emu10k1_ccis(stereo, w_16);
 330        
 331        if (master) {
 332                evoice->epcm->ccca_start_addr = start_addr + ccis;
 333                if (extra) {
 334                        start_addr += ccis;
 335                        end_addr += ccis;
 336                }
 337                if (stereo && !extra) {
 338                        snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 339                        snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 340                } else {
 341                        snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 342                }
 343        }
 344
 345        /* setup routing */
 346        if (emu->audigy) {
 347                snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 348                                      snd_emu10k1_compose_audigy_fxrt1(send_routing));
 349                snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 350                                      snd_emu10k1_compose_audigy_fxrt2(send_routing));
 351                snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 352                                      ((unsigned int)send_amount[4] << 24) |
 353                                      ((unsigned int)send_amount[5] << 16) |
 354                                      ((unsigned int)send_amount[6] << 8) |
 355                                      (unsigned int)send_amount[7]);
 356        } else
 357                snd_emu10k1_ptr_write(emu, FXRT, voice,
 358                                      snd_emu10k1_compose_send_routing(send_routing));
 359        /* Stop CA */
 360        /* Assumption that PT is already 0 so no harm overwriting */
 361        snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 362        snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 363        snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
 364        if (emu->card_capabilities->emu_model)
 365                pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 366        else 
 367                pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 368        if (extra)
 369                snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 370                              emu10k1_select_interprom(pitch_target) |
 371                              (w_16 ? 0 : CCCA_8BITSELECT));
 372        else
 373                snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 374                              emu10k1_select_interprom(pitch_target) |
 375                              (w_16 ? 0 : CCCA_8BITSELECT));
 376        /* Clear filter delay memory */
 377        snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 378        snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 379        /* invalidate maps */
 380        silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
 381        snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 382        snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 383        /* modulation envelope */
 384        snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 385        snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 386        snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 387        snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 388        snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 389        snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 390        snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 391        snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 392        snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 393        snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 394        /* volume envelope */
 395        snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 396        snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 397        /* filter envelope */
 398        snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 399        /* pitch envelope */
 400        snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 401
 402        spin_unlock_irqrestore(&emu->reg_lock, flags);
 403}
 404
 405static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 406                                          struct snd_pcm_hw_params *hw_params)
 407{
 408        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 409        struct snd_pcm_runtime *runtime = substream->runtime;
 410        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 411        int err;
 412
 413        if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 414                return err;
 415        if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
 416                return err;
 417        if (err > 0) {  /* change */
 418                int mapped;
 419                if (epcm->memblk != NULL)
 420                        snd_emu10k1_free_pages(emu, epcm->memblk);
 421                epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 422                epcm->start_addr = 0;
 423                if (! epcm->memblk)
 424                        return -ENOMEM;
 425                mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 426                if (mapped < 0)
 427                        return -ENOMEM;
 428                epcm->start_addr = mapped << PAGE_SHIFT;
 429        }
 430        return 0;
 431}
 432
 433static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 434{
 435        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 436        struct snd_pcm_runtime *runtime = substream->runtime;
 437        struct snd_emu10k1_pcm *epcm;
 438
 439        if (runtime->private_data == NULL)
 440                return 0;
 441        epcm = runtime->private_data;
 442        if (epcm->extra) {
 443                snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 444                epcm->extra = NULL;
 445        }
 446        if (epcm->voices[1]) {
 447                snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 448                epcm->voices[1] = NULL;
 449        }
 450        if (epcm->voices[0]) {
 451                snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 452                epcm->voices[0] = NULL;
 453        }
 454        if (epcm->memblk) {
 455                snd_emu10k1_free_pages(emu, epcm->memblk);
 456                epcm->memblk = NULL;
 457                epcm->start_addr = 0;
 458        }
 459        snd_pcm_lib_free_pages(substream);
 460        return 0;
 461}
 462
 463static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 464{
 465        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 466        struct snd_pcm_runtime *runtime = substream->runtime;
 467        struct snd_emu10k1_pcm *epcm;
 468        int i;
 469
 470        if (runtime->private_data == NULL)
 471                return 0;
 472        epcm = runtime->private_data;
 473        if (epcm->extra) {
 474                snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 475                epcm->extra = NULL;
 476        }
 477        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 478                if (epcm->voices[i]) {
 479                        snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 480                        epcm->voices[i] = NULL;
 481                }
 482        }
 483        if (epcm->memblk) {
 484                snd_emu10k1_free_pages(emu, epcm->memblk);
 485                epcm->memblk = NULL;
 486                epcm->start_addr = 0;
 487        }
 488        snd_pcm_lib_free_pages(substream);
 489        return 0;
 490}
 491
 492static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 493{
 494        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 495        struct snd_pcm_runtime *runtime = substream->runtime;
 496        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 497        unsigned int start_addr, end_addr;
 498
 499        start_addr = epcm->start_addr;
 500        end_addr = snd_pcm_lib_period_bytes(substream);
 501        if (runtime->channels == 2) {
 502                start_addr >>= 1;
 503                end_addr >>= 1;
 504        }
 505        end_addr += start_addr;
 506        snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 507                                   start_addr, end_addr, NULL);
 508        start_addr = epcm->start_addr;
 509        end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 510        snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 511                                   start_addr, end_addr,
 512                                   &emu->pcm_mixer[substream->number]);
 513        if (epcm->voices[1])
 514                snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 515                                           start_addr, end_addr,
 516                                           &emu->pcm_mixer[substream->number]);
 517        return 0;
 518}
 519
 520static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 521{
 522        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 523        struct snd_pcm_runtime *runtime = substream->runtime;
 524        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 525        unsigned int start_addr, end_addr;
 526        unsigned int channel_size;
 527        int i;
 528
 529        start_addr = epcm->start_addr;
 530        end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 531
 532        /*
 533         * the kX driver leaves some space between voices
 534         */
 535        channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 536
 537        snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 538                                   start_addr, start_addr + (channel_size / 2), NULL);
 539
 540        /* only difference with the master voice is we use it for the pointer */
 541        snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 542                                   start_addr, start_addr + channel_size,
 543                                   &emu->efx_pcm_mixer[0]);
 544
 545        start_addr += channel_size;
 546        for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 547                snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 548                                           start_addr, start_addr + channel_size,
 549                                           &emu->efx_pcm_mixer[i]);
 550                start_addr += channel_size;
 551        }
 552
 553        return 0;
 554}
 555
 556static struct snd_pcm_hardware snd_emu10k1_efx_playback =
 557{
 558        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 559                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 560                                 SNDRV_PCM_INFO_RESUME |
 561                                 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 562        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 563        .rates =                SNDRV_PCM_RATE_48000,
 564        .rate_min =             48000,
 565        .rate_max =             48000,
 566        .channels_min =         NUM_EFX_PLAYBACK,
 567        .channels_max =         NUM_EFX_PLAYBACK,
 568        .buffer_bytes_max =     (64*1024),
 569        .period_bytes_min =     64,
 570        .period_bytes_max =     (64*1024),
 571        .periods_min =          2,
 572        .periods_max =          2,
 573        .fifo_size =            0,
 574};
 575
 576static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
 577                                         struct snd_pcm_hw_params *hw_params)
 578{
 579        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 580}
 581
 582static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
 583{
 584        return snd_pcm_lib_free_pages(substream);
 585}
 586
 587static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 588{
 589        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 590        struct snd_pcm_runtime *runtime = substream->runtime;
 591        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 592        int idx;
 593
 594        /* zeroing the buffer size will stop capture */
 595        snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 596        switch (epcm->type) {
 597        case CAPTURE_AC97ADC:
 598                snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 599                break;
 600        case CAPTURE_EFX:
 601                if (emu->audigy) {
 602                        snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 603                        snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 604                } else
 605                        snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 606                break;
 607        default:
 608                break;
 609        }       
 610        snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 611        epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 612        epcm->capture_bs_val = 0;
 613        for (idx = 0; idx < 31; idx++) {
 614                if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 615                        epcm->capture_bs_val = idx + 1;
 616                        break;
 617                }
 618        }
 619        if (epcm->capture_bs_val == 0) {
 620                snd_BUG();
 621                epcm->capture_bs_val++;
 622        }
 623        if (epcm->type == CAPTURE_AC97ADC) {
 624                epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 625                if (runtime->channels > 1)
 626                        epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 627                epcm->capture_cr_val |= emu->audigy ?
 628                        snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 629                        snd_emu10k1_capture_rate_reg(runtime->rate);
 630        }
 631        return 0;
 632}
 633
 634static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 635{
 636        struct snd_pcm_runtime *runtime;
 637        unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 638
 639        if (evoice == NULL)
 640                return;
 641        runtime = evoice->epcm->substream->runtime;
 642        voice = evoice->number;
 643        stereo = (!extra && runtime->channels == 2);
 644        sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 645        ccis = emu10k1_ccis(stereo, sample == 0);
 646        /* set cs to 2 * number of cache registers beside the invalidated */
 647        cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 648        if (cs > 16) cs = 16;
 649        for (i = 0; i < cs; i++) {
 650                snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 651                if (stereo) {
 652                        snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 653                }
 654        }
 655        /* reset cache */
 656        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 657        snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 658        if (stereo) {
 659                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 660                snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 661        }
 662        /* fill cache */
 663        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 664        if (stereo) {
 665                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 666        }
 667}
 668
 669static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 670                                               int master, int extra,
 671                                               struct snd_emu10k1_pcm_mixer *mix)
 672{
 673        struct snd_pcm_substream *substream;
 674        struct snd_pcm_runtime *runtime;
 675        unsigned int attn, vattn;
 676        unsigned int voice, tmp;
 677
 678        if (evoice == NULL)     /* skip second voice for mono */
 679                return;
 680        substream = evoice->epcm->substream;
 681        runtime = substream->runtime;
 682        voice = evoice->number;
 683
 684        attn = extra ? 0 : 0x00ff;
 685        tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 686        vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 687        snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 688        snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 689        snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 690        snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 691        snd_emu10k1_voice_clear_loop_stop(emu, voice);
 692}       
 693
 694static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 695{
 696        struct snd_pcm_substream *substream;
 697        struct snd_pcm_runtime *runtime;
 698        unsigned int voice, pitch, pitch_target;
 699
 700        if (evoice == NULL)     /* skip second voice for mono */
 701                return;
 702        substream = evoice->epcm->substream;
 703        runtime = substream->runtime;
 704        voice = evoice->number;
 705
 706        pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 707        if (emu->card_capabilities->emu_model)
 708                pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 709        else 
 710                pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 711        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 712        if (master || evoice->epcm->type == PLAYBACK_EFX)
 713                snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 714        snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 715        if (extra)
 716                snd_emu10k1_voice_intr_enable(emu, voice);
 717}
 718
 719static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 720{
 721        unsigned int voice;
 722
 723        if (evoice == NULL)
 724                return;
 725        voice = evoice->number;
 726        snd_emu10k1_voice_intr_disable(emu, voice);
 727        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 728        snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 729        snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 730        snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 731        snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 732        snd_emu10k1_ptr_write(emu, IP, voice, 0);
 733}
 734
 735static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 736                                        int cmd)
 737{
 738        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 739        struct snd_pcm_runtime *runtime = substream->runtime;
 740        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 741        struct snd_emu10k1_pcm_mixer *mix;
 742        int result = 0;
 743
 744        /*
 745        printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 746               (int)emu, cmd, substream->ops->pointer(substream))
 747        */
 748        spin_lock(&emu->reg_lock);
 749        switch (cmd) {
 750        case SNDRV_PCM_TRIGGER_START:
 751                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 752                snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 753                /* follow thru */
 754        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 755        case SNDRV_PCM_TRIGGER_RESUME:
 756                mix = &emu->pcm_mixer[substream->number];
 757                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 758                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 759                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 760                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 761                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 762                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 763                epcm->running = 1;
 764                break;
 765        case SNDRV_PCM_TRIGGER_STOP:
 766        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 767        case SNDRV_PCM_TRIGGER_SUSPEND:
 768                epcm->running = 0;
 769                snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 770                snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 771                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 772                break;
 773        default:
 774                result = -EINVAL;
 775                break;
 776        }
 777        spin_unlock(&emu->reg_lock);
 778        return result;
 779}
 780
 781static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 782                                       int cmd)
 783{
 784        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 785        struct snd_pcm_runtime *runtime = substream->runtime;
 786        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 787        int result = 0;
 788
 789        spin_lock(&emu->reg_lock);
 790        switch (cmd) {
 791        case SNDRV_PCM_TRIGGER_START:
 792        case SNDRV_PCM_TRIGGER_RESUME:
 793                /* hmm this should cause full and half full interrupt to be raised? */
 794                outl(epcm->capture_ipr, emu->port + IPR);
 795                snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 796                /*
 797                printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n",
 798                       epcm->adccr, epcm->adcbs);
 799                */
 800                switch (epcm->type) {
 801                case CAPTURE_AC97ADC:
 802                        snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 803                        break;
 804                case CAPTURE_EFX:
 805                        if (emu->audigy) {
 806                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 807                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 808                                snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2);
 809                        } else
 810                                snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 811                        break;
 812                default:        
 813                        break;
 814                }
 815                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 816                epcm->running = 1;
 817                epcm->first_ptr = 1;
 818                break;
 819        case SNDRV_PCM_TRIGGER_STOP:
 820        case SNDRV_PCM_TRIGGER_SUSPEND:
 821                epcm->running = 0;
 822                snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 823                outl(epcm->capture_ipr, emu->port + IPR);
 824                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 825                switch (epcm->type) {
 826                case CAPTURE_AC97ADC:
 827                        snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 828                        break;
 829                case CAPTURE_EFX:
 830                        if (emu->audigy) {
 831                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 832                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 833                        } else
 834                                snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 835                        break;
 836                default:
 837                        break;
 838                }
 839                break;
 840        default:
 841                result = -EINVAL;
 842        }
 843        spin_unlock(&emu->reg_lock);
 844        return result;
 845}
 846
 847static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 848{
 849        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 850        struct snd_pcm_runtime *runtime = substream->runtime;
 851        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 852        unsigned int ptr;
 853
 854        if (!epcm->running)
 855                return 0;
 856        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 857#if 0   /* Perex's code */
 858        ptr += runtime->buffer_size;
 859        ptr -= epcm->ccca_start_addr;
 860        ptr %= runtime->buffer_size;
 861#else   /* EMU10K1 Open Source code from Creative */
 862        if (ptr < epcm->ccca_start_addr)
 863                ptr += runtime->buffer_size - epcm->ccca_start_addr;
 864        else {
 865                ptr -= epcm->ccca_start_addr;
 866                if (ptr >= runtime->buffer_size)
 867                        ptr -= runtime->buffer_size;
 868        }
 869#endif
 870        /*
 871        printk(KERN_DEBUG
 872               "ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n",
 873               ptr, runtime->buffer_size, runtime->period_size);
 874        */
 875        return ptr;
 876}
 877
 878
 879static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 880                                        int cmd)
 881{
 882        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 883        struct snd_pcm_runtime *runtime = substream->runtime;
 884        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 885        int i;
 886        int result = 0;
 887
 888        spin_lock(&emu->reg_lock);
 889        switch (cmd) {
 890        case SNDRV_PCM_TRIGGER_START:
 891                /* prepare voices */
 892                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 893                        snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 894                }
 895                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 896
 897                /* follow thru */
 898        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 899        case SNDRV_PCM_TRIGGER_RESUME:
 900                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 901                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 902                                                   &emu->efx_pcm_mixer[0]);
 903                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 904                        snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 905                                                           &emu->efx_pcm_mixer[i]);
 906                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 907                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 908                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 909                        snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 910                epcm->running = 1;
 911                break;
 912        case SNDRV_PCM_TRIGGER_SUSPEND:
 913        case SNDRV_PCM_TRIGGER_STOP:
 914        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 915                epcm->running = 0;
 916                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 917                        snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 918                }
 919                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 920                break;
 921        default:
 922                result = -EINVAL;
 923                break;
 924        }
 925        spin_unlock(&emu->reg_lock);
 926        return result;
 927}
 928
 929
 930static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 931{
 932        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 933        struct snd_pcm_runtime *runtime = substream->runtime;
 934        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 935        unsigned int ptr;
 936
 937        if (!epcm->running)
 938                return 0;
 939        if (epcm->first_ptr) {
 940                udelay(50);     /* hack, it takes awhile until capture is started */
 941                epcm->first_ptr = 0;
 942        }
 943        ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 944        return bytes_to_frames(runtime, ptr);
 945}
 946
 947/*
 948 *  Playback support device description
 949 */
 950
 951static struct snd_pcm_hardware snd_emu10k1_playback =
 952{
 953        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 954                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 955                                 SNDRV_PCM_INFO_RESUME |
 956                                 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 957        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 958        .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 959        .rate_min =             4000,
 960        .rate_max =             96000,
 961        .channels_min =         1,
 962        .channels_max =         2,
 963        .buffer_bytes_max =     (128*1024),
 964        .period_bytes_min =     64,
 965        .period_bytes_max =     (128*1024),
 966        .periods_min =          1,
 967        .periods_max =          1024,
 968        .fifo_size =            0,
 969};
 970
 971/*
 972 *  Capture support device description
 973 */
 974
 975static struct snd_pcm_hardware snd_emu10k1_capture =
 976{
 977        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 978                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 979                                 SNDRV_PCM_INFO_RESUME |
 980                                 SNDRV_PCM_INFO_MMAP_VALID),
 981        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 982        .rates =                SNDRV_PCM_RATE_8000_48000,
 983        .rate_min =             8000,
 984        .rate_max =             48000,
 985        .channels_min =         1,
 986        .channels_max =         2,
 987        .buffer_bytes_max =     (64*1024),
 988        .period_bytes_min =     384,
 989        .period_bytes_max =     (64*1024),
 990        .periods_min =          2,
 991        .periods_max =          2,
 992        .fifo_size =            0,
 993};
 994
 995static struct snd_pcm_hardware snd_emu10k1_capture_efx =
 996{
 997        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 998                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 999                                 SNDRV_PCM_INFO_RESUME |
1000                                 SNDRV_PCM_INFO_MMAP_VALID),
1001        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1002        .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 
1003                                 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 
1004                                 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1005        .rate_min =             44100,
1006        .rate_max =             192000,
1007        .channels_min =         8,
1008        .channels_max =         8,
1009        .buffer_bytes_max =     (64*1024),
1010        .period_bytes_min =     384,
1011        .period_bytes_max =     (64*1024),
1012        .periods_min =          2,
1013        .periods_max =          2,
1014        .fifo_size =            0,
1015};
1016
1017/*
1018 *
1019 */
1020
1021static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1022{
1023        struct snd_ctl_elem_id id;
1024
1025        if (! kctl)
1026                return;
1027        if (activate)
1028                kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1029        else
1030                kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1031        snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1032                       SNDRV_CTL_EVENT_MASK_INFO,
1033                       snd_ctl_build_ioff(&id, kctl, idx));
1034}
1035
1036static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1037{
1038        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1039        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1040        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1041}
1042
1043static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1044{
1045        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1046        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1047        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1048}
1049
1050static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1051{
1052        kfree(runtime->private_data);
1053}
1054
1055static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1056{
1057        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1058        struct snd_emu10k1_pcm_mixer *mix;
1059        int i;
1060
1061        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1062                mix = &emu->efx_pcm_mixer[i];
1063                mix->epcm = NULL;
1064                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1065        }
1066        return 0;
1067}
1068
1069static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1070{
1071        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1072        struct snd_emu10k1_pcm *epcm;
1073        struct snd_emu10k1_pcm_mixer *mix;
1074        struct snd_pcm_runtime *runtime = substream->runtime;
1075        int i;
1076
1077        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1078        if (epcm == NULL)
1079                return -ENOMEM;
1080        epcm->emu = emu;
1081        epcm->type = PLAYBACK_EFX;
1082        epcm->substream = substream;
1083        
1084        emu->pcm_playback_efx_substream = substream;
1085
1086        runtime->private_data = epcm;
1087        runtime->private_free = snd_emu10k1_pcm_free_substream;
1088        runtime->hw = snd_emu10k1_efx_playback;
1089        
1090        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1091                mix = &emu->efx_pcm_mixer[i];
1092                mix->send_routing[0][0] = i;
1093                memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1094                mix->send_volume[0][0] = 255;
1095                mix->attn[0] = 0xffff;
1096                mix->epcm = epcm;
1097                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1098        }
1099        return 0;
1100}
1101
1102static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1103{
1104        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1105        struct snd_emu10k1_pcm *epcm;
1106        struct snd_emu10k1_pcm_mixer *mix;
1107        struct snd_pcm_runtime *runtime = substream->runtime;
1108        int i, err;
1109
1110        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1111        if (epcm == NULL)
1112                return -ENOMEM;
1113        epcm->emu = emu;
1114        epcm->type = PLAYBACK_EMUVOICE;
1115        epcm->substream = substream;
1116        runtime->private_data = epcm;
1117        runtime->private_free = snd_emu10k1_pcm_free_substream;
1118        runtime->hw = snd_emu10k1_playback;
1119        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1120                kfree(epcm);
1121                return err;
1122        }
1123        if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1124                kfree(epcm);
1125                return err;
1126        }
1127        mix = &emu->pcm_mixer[substream->number];
1128        for (i = 0; i < 4; i++)
1129                mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1130        memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1131        mix->send_volume[0][0] = mix->send_volume[0][1] =
1132        mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1133        mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1134        mix->epcm = epcm;
1135        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1136        return 0;
1137}
1138
1139static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1140{
1141        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1142        struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1143
1144        mix->epcm = NULL;
1145        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1146        return 0;
1147}
1148
1149static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1150{
1151        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1152        struct snd_pcm_runtime *runtime = substream->runtime;
1153        struct snd_emu10k1_pcm *epcm;
1154
1155        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1156        if (epcm == NULL)
1157                return -ENOMEM;
1158        epcm->emu = emu;
1159        epcm->type = CAPTURE_AC97ADC;
1160        epcm->substream = substream;
1161        epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1162        epcm->capture_inte = INTE_ADCBUFENABLE;
1163        epcm->capture_ba_reg = ADCBA;
1164        epcm->capture_bs_reg = ADCBS;
1165        epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1166        runtime->private_data = epcm;
1167        runtime->private_free = snd_emu10k1_pcm_free_substream;
1168        runtime->hw = snd_emu10k1_capture;
1169        emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1170        emu->pcm_capture_substream = substream;
1171        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1172        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1173        return 0;
1174}
1175
1176static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1177{
1178        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1179
1180        emu->capture_interrupt = NULL;
1181        emu->pcm_capture_substream = NULL;
1182        return 0;
1183}
1184
1185static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1186{
1187        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1188        struct snd_emu10k1_pcm *epcm;
1189        struct snd_pcm_runtime *runtime = substream->runtime;
1190
1191        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1192        if (epcm == NULL)
1193                return -ENOMEM;
1194        epcm->emu = emu;
1195        epcm->type = CAPTURE_AC97MIC;
1196        epcm->substream = substream;
1197        epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1198        epcm->capture_inte = INTE_MICBUFENABLE;
1199        epcm->capture_ba_reg = MICBA;
1200        epcm->capture_bs_reg = MICBS;
1201        epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1202        substream->runtime->private_data = epcm;
1203        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1204        runtime->hw = snd_emu10k1_capture;
1205        runtime->hw.rates = SNDRV_PCM_RATE_8000;
1206        runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1207        runtime->hw.channels_min = 1;
1208        emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1209        emu->pcm_capture_mic_substream = substream;
1210        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1211        return 0;
1212}
1213
1214static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1215{
1216        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1217
1218        emu->capture_interrupt = NULL;
1219        emu->pcm_capture_mic_substream = NULL;
1220        return 0;
1221}
1222
1223static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1224{
1225        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1226        struct snd_emu10k1_pcm *epcm;
1227        struct snd_pcm_runtime *runtime = substream->runtime;
1228        int nefx = emu->audigy ? 64 : 32;
1229        int idx;
1230
1231        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1232        if (epcm == NULL)
1233                return -ENOMEM;
1234        epcm->emu = emu;
1235        epcm->type = CAPTURE_EFX;
1236        epcm->substream = substream;
1237        epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1238        epcm->capture_inte = INTE_EFXBUFENABLE;
1239        epcm->capture_ba_reg = FXBA;
1240        epcm->capture_bs_reg = FXBS;
1241        epcm->capture_idx_reg = FXIDX;
1242        substream->runtime->private_data = epcm;
1243        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1244        runtime->hw = snd_emu10k1_capture_efx;
1245        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1246        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1247        spin_lock_irq(&emu->reg_lock);
1248        if (emu->card_capabilities->emu_model) {
1249                /*  Nb. of channels has been increased to 16 */
1250                /* TODO
1251                 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1252                 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1253                 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1254                 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1255                 * rate_min = 44100,
1256                 * rate_max = 192000,
1257                 * channels_min = 16,
1258                 * channels_max = 16,
1259                 * Need to add mixer control to fix sample rate
1260                 *                 
1261                 * There are 32 mono channels of 16bits each.
1262                 * 24bit Audio uses 2x channels over 16bit
1263                 * 96kHz uses 2x channels over 48kHz
1264                 * 192kHz uses 4x channels over 48kHz
1265                 * So, for 48kHz 24bit, one has 16 channels
1266                 * for 96kHz 24bit, one has 8 channels
1267                 * for 192kHz 24bit, one has 4 channels
1268                 *
1269                 */
1270#if 1
1271                switch (emu->emu1010.internal_clock) {
1272                case 0:
1273                        /* For 44.1kHz */
1274                        runtime->hw.rates = SNDRV_PCM_RATE_44100;
1275                        runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1276                        runtime->hw.channels_min =
1277                                runtime->hw.channels_max = 16;
1278                        break;
1279                case 1:
1280                        /* For 48kHz */
1281                        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1282                        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1283                        runtime->hw.channels_min =
1284                                runtime->hw.channels_max = 16;
1285                        break;
1286                };
1287#endif
1288#if 0
1289                /* For 96kHz */
1290                runtime->hw.rates = SNDRV_PCM_RATE_96000;
1291                runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1292                runtime->hw.channels_min = runtime->hw.channels_max = 4;
1293#endif
1294#if 0
1295                /* For 192kHz */
1296                runtime->hw.rates = SNDRV_PCM_RATE_192000;
1297                runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1298                runtime->hw.channels_min = runtime->hw.channels_max = 2;
1299#endif
1300                runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1301                /* efx_voices_mask[0] is expected to be zero
1302                 * efx_voices_mask[1] is expected to have 32bits set
1303                 */
1304        } else {
1305                runtime->hw.channels_min = runtime->hw.channels_max = 0;
1306                for (idx = 0; idx < nefx; idx++) {
1307                        if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1308                                runtime->hw.channels_min++;
1309                                runtime->hw.channels_max++;
1310                        }
1311                }
1312        }
1313        epcm->capture_cr_val = emu->efx_voices_mask[0];
1314        epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1315        spin_unlock_irq(&emu->reg_lock);
1316        emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1317        emu->pcm_capture_efx_substream = substream;
1318        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1319        return 0;
1320}
1321
1322static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1323{
1324        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1325
1326        emu->capture_interrupt = NULL;
1327        emu->pcm_capture_efx_substream = NULL;
1328        return 0;
1329}
1330
1331static struct snd_pcm_ops snd_emu10k1_playback_ops = {
1332        .open =                 snd_emu10k1_playback_open,
1333        .close =                snd_emu10k1_playback_close,
1334        .ioctl =                snd_pcm_lib_ioctl,
1335        .hw_params =            snd_emu10k1_playback_hw_params,
1336        .hw_free =              snd_emu10k1_playback_hw_free,
1337        .prepare =              snd_emu10k1_playback_prepare,
1338        .trigger =              snd_emu10k1_playback_trigger,
1339        .pointer =              snd_emu10k1_playback_pointer,
1340        .page =                 snd_pcm_sgbuf_ops_page,
1341};
1342
1343static struct snd_pcm_ops snd_emu10k1_capture_ops = {
1344        .open =                 snd_emu10k1_capture_open,
1345        .close =                snd_emu10k1_capture_close,
1346        .ioctl =                snd_pcm_lib_ioctl,
1347        .hw_params =            snd_emu10k1_capture_hw_params,
1348        .hw_free =              snd_emu10k1_capture_hw_free,
1349        .prepare =              snd_emu10k1_capture_prepare,
1350        .trigger =              snd_emu10k1_capture_trigger,
1351        .pointer =              snd_emu10k1_capture_pointer,
1352};
1353
1354/* EFX playback */
1355static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1356        .open =                 snd_emu10k1_efx_playback_open,
1357        .close =                snd_emu10k1_efx_playback_close,
1358        .ioctl =                snd_pcm_lib_ioctl,
1359        .hw_params =            snd_emu10k1_playback_hw_params,
1360        .hw_free =              snd_emu10k1_efx_playback_hw_free,
1361        .prepare =              snd_emu10k1_efx_playback_prepare,
1362        .trigger =              snd_emu10k1_efx_playback_trigger,
1363        .pointer =              snd_emu10k1_efx_playback_pointer,
1364        .page =                 snd_pcm_sgbuf_ops_page,
1365};
1366
1367int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1368{
1369        struct snd_pcm *pcm;
1370        struct snd_pcm_substream *substream;
1371        int err;
1372
1373        if (rpcm)
1374                *rpcm = NULL;
1375
1376        if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1377                return err;
1378
1379        pcm->private_data = emu;
1380
1381        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1382        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1383
1384        pcm->info_flags = 0;
1385        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1386        strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1387        emu->pcm = pcm;
1388
1389        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1390                if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1391                        return err;
1392
1393        for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1394                snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1395
1396        if (rpcm)
1397                *rpcm = pcm;
1398
1399        return 0;
1400}
1401
1402int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1403{
1404        struct snd_pcm *pcm;
1405        struct snd_pcm_substream *substream;
1406        int err;
1407
1408        if (rpcm)
1409                *rpcm = NULL;
1410
1411        if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1412                return err;
1413
1414        pcm->private_data = emu;
1415
1416        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1417
1418        pcm->info_flags = 0;
1419        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1420        strcpy(pcm->name, "Multichannel Playback");
1421        emu->pcm_multi = pcm;
1422
1423        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1424                if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1425                        return err;
1426
1427        if (rpcm)
1428                *rpcm = pcm;
1429
1430        return 0;
1431}
1432
1433
1434static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1435        .open =                 snd_emu10k1_capture_mic_open,
1436        .close =                snd_emu10k1_capture_mic_close,
1437        .ioctl =                snd_pcm_lib_ioctl,
1438        .hw_params =            snd_emu10k1_capture_hw_params,
1439        .hw_free =              snd_emu10k1_capture_hw_free,
1440        .prepare =              snd_emu10k1_capture_prepare,
1441        .trigger =              snd_emu10k1_capture_trigger,
1442        .pointer =              snd_emu10k1_capture_pointer,
1443};
1444
1445int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1446{
1447        struct snd_pcm *pcm;
1448        int err;
1449
1450        if (rpcm)
1451                *rpcm = NULL;
1452
1453        if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1454                return err;
1455
1456        pcm->private_data = emu;
1457
1458        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1459
1460        pcm->info_flags = 0;
1461        strcpy(pcm->name, "Mic Capture");
1462        emu->pcm_mic = pcm;
1463
1464        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1465
1466        if (rpcm)
1467                *rpcm = pcm;
1468        return 0;
1469}
1470
1471static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1472{
1473        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1474        int nefx = emu->audigy ? 64 : 32;
1475        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1476        uinfo->count = nefx;
1477        uinfo->value.integer.min = 0;
1478        uinfo->value.integer.max = 1;
1479        return 0;
1480}
1481
1482static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1483{
1484        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1485        int nefx = emu->audigy ? 64 : 32;
1486        int idx;
1487        
1488        spin_lock_irq(&emu->reg_lock);
1489        for (idx = 0; idx < nefx; idx++)
1490                ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1491        spin_unlock_irq(&emu->reg_lock);
1492        return 0;
1493}
1494
1495static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1496{
1497        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1498        unsigned int nval[2], bits;
1499        int nefx = emu->audigy ? 64 : 32;
1500        int nefxb = emu->audigy ? 7 : 6;
1501        int change, idx;
1502        
1503        nval[0] = nval[1] = 0;
1504        for (idx = 0, bits = 0; idx < nefx; idx++)
1505                if (ucontrol->value.integer.value[idx]) {
1506                        nval[idx / 32] |= 1 << (idx % 32);
1507                        bits++;
1508                }
1509                
1510        for (idx = 0; idx < nefxb; idx++)
1511                if (1 << idx == bits)
1512                        break;
1513        
1514        if (idx >= nefxb)
1515                return -EINVAL;
1516
1517        spin_lock_irq(&emu->reg_lock);
1518        change = (nval[0] != emu->efx_voices_mask[0]) ||
1519                (nval[1] != emu->efx_voices_mask[1]);
1520        emu->efx_voices_mask[0] = nval[0];
1521        emu->efx_voices_mask[1] = nval[1];
1522        spin_unlock_irq(&emu->reg_lock);
1523        return change;
1524}
1525
1526static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1527        .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1528        .name = "Captured FX8010 Outputs",
1529        .info = snd_emu10k1_pcm_efx_voices_mask_info,
1530        .get = snd_emu10k1_pcm_efx_voices_mask_get,
1531        .put = snd_emu10k1_pcm_efx_voices_mask_put
1532};
1533
1534static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1535        .open =                 snd_emu10k1_capture_efx_open,
1536        .close =                snd_emu10k1_capture_efx_close,
1537        .ioctl =                snd_pcm_lib_ioctl,
1538        .hw_params =            snd_emu10k1_capture_hw_params,
1539        .hw_free =              snd_emu10k1_capture_hw_free,
1540        .prepare =              snd_emu10k1_capture_prepare,
1541        .trigger =              snd_emu10k1_capture_trigger,
1542        .pointer =              snd_emu10k1_capture_pointer,
1543};
1544
1545
1546/* EFX playback */
1547
1548#define INITIAL_TRAM_SHIFT     14
1549#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1550
1551static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1552{
1553        struct snd_pcm_substream *substream = private_data;
1554        snd_pcm_period_elapsed(substream);
1555}
1556
1557static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1558                                                   unsigned short *dst_right,
1559                                                   unsigned short *src,
1560                                                   unsigned int count,
1561                                                   unsigned int tram_shift)
1562{
1563        /*
1564        printk(KERN_DEBUG "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        snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1616        return 0;
1617}
1618
1619static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1620                                                 struct snd_pcm_hw_params *hw_params)
1621{
1622        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1623}
1624
1625static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1626{
1627        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1628        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1629        unsigned int i;
1630
1631        for (i = 0; i < pcm->channels; i++)
1632                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1633        snd_pcm_lib_free_pages(substream);
1634        return 0;
1635}
1636
1637static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1638{
1639        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1640        struct snd_pcm_runtime *runtime = substream->runtime;
1641        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1642        unsigned int i;
1643        
1644        /*
1645        printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1646               "buffer_size = 0x%x (0x%x)\n",
1647               emu->fx8010.etram_pages, runtime->dma_area,
1648               runtime->buffer_size, runtime->buffer_size << 2);
1649        */
1650        memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1651        pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1652        pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1653        pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1654        pcm->tram_shift = 0;
1655        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1656        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1657        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1658        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1659        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1660        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1661        for (i = 0; i < pcm->channels; i++)
1662                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1663        return 0;
1664}
1665
1666static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1667{
1668        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1669        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1670        int result = 0;
1671
1672        spin_lock(&emu->reg_lock);
1673        switch (cmd) {
1674        case SNDRV_PCM_TRIGGER_START:
1675                /* follow thru */
1676        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1677        case SNDRV_PCM_TRIGGER_RESUME:
1678#ifdef EMU10K1_SET_AC3_IEC958
1679        {
1680                int i;
1681                for (i = 0; i < 3; i++) {
1682                        unsigned int bits;
1683                        bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1684                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1685                               0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1686                        snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1687                }
1688        }
1689#endif
1690                result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1691                if (result < 0)
1692                        goto __err;
1693                snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1694                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1695                break;
1696        case SNDRV_PCM_TRIGGER_STOP:
1697        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1698        case SNDRV_PCM_TRIGGER_SUSPEND:
1699                snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1700                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1701                pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1702                pcm->tram_shift = 0;
1703                break;
1704        default:
1705                result = -EINVAL;
1706                break;
1707        }
1708      __err:
1709        spin_unlock(&emu->reg_lock);
1710        return result;
1711}
1712
1713static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1714{
1715        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1716        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1717        size_t ptr; /* byte pointer */
1718
1719        if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1720                return 0;
1721        ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1722        return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1723}
1724
1725static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1726{
1727        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1728                                 SNDRV_PCM_INFO_RESUME |
1729                                 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1730        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1731        .rates =                SNDRV_PCM_RATE_48000,
1732        .rate_min =             48000,
1733        .rate_max =             48000,
1734        .channels_min =         1,
1735        .channels_max =         1,
1736        .buffer_bytes_max =     (128*1024),
1737        .period_bytes_min =     1024,
1738        .period_bytes_max =     (128*1024),
1739        .periods_min =          2,
1740        .periods_max =          1024,
1741        .fifo_size =            0,
1742};
1743
1744static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1745{
1746        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1747        struct snd_pcm_runtime *runtime = substream->runtime;
1748        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1749
1750        runtime->hw = snd_emu10k1_fx8010_playback;
1751        runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1752        runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1753        spin_lock_irq(&emu->reg_lock);
1754        if (pcm->valid == 0) {
1755                spin_unlock_irq(&emu->reg_lock);
1756                return -ENODEV;
1757        }
1758        pcm->opened = 1;
1759        spin_unlock_irq(&emu->reg_lock);
1760        return 0;
1761}
1762
1763static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1764{
1765        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1766        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1767
1768        spin_lock_irq(&emu->reg_lock);
1769        pcm->opened = 0;
1770        spin_unlock_irq(&emu->reg_lock);
1771        return 0;
1772}
1773
1774static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1775        .open =                 snd_emu10k1_fx8010_playback_open,
1776        .close =                snd_emu10k1_fx8010_playback_close,
1777        .ioctl =                snd_pcm_lib_ioctl,
1778        .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1779        .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1780        .prepare =              snd_emu10k1_fx8010_playback_prepare,
1781        .trigger =              snd_emu10k1_fx8010_playback_trigger,
1782        .pointer =              snd_emu10k1_fx8010_playback_pointer,
1783        .ack =                  snd_emu10k1_fx8010_playback_transfer,
1784};
1785
1786int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1787{
1788        struct snd_pcm *pcm;
1789        struct snd_kcontrol *kctl;
1790        int err;
1791
1792        if (rpcm)
1793                *rpcm = NULL;
1794
1795        if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1796                return err;
1797
1798        pcm->private_data = emu;
1799
1800        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1801        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1802
1803        pcm->info_flags = 0;
1804        strcpy(pcm->name, "Multichannel Capture/PT Playback");
1805        emu->pcm_efx = pcm;
1806        if (rpcm)
1807                *rpcm = pcm;
1808
1809        /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 
1810         * to these
1811         */     
1812        
1813        /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1814        if (emu->audigy) {
1815                emu->efx_voices_mask[0] = 0;
1816                if (emu->card_capabilities->emu_model)
1817                        /* Pavel Hofman - 32 voices will be used for
1818                         * capture (write mode) -
1819                         * each bit = corresponding voice
1820                         */
1821                        emu->efx_voices_mask[1] = 0xffffffff;
1822                else
1823                        emu->efx_voices_mask[1] = 0xffff;
1824        } else {
1825                emu->efx_voices_mask[0] = 0xffff0000;
1826                emu->efx_voices_mask[1] = 0;
1827        }
1828        /* For emu1010, the control has to set 32 upper bits (voices)
1829         * out of the 64 bits (voices) to true for the 16-channels capture
1830         * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1831         * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1832         * control can override this register's value.
1833         */
1834        kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1835        if (!kctl)
1836                return -ENOMEM;
1837        kctl->id.device = device;
1838        snd_ctl_add(emu->card, kctl);
1839
1840        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1841
1842        return 0;
1843}
1844