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 + emu->delay_pcm_irq;
 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,
 364                        (start_addr + (extra ? emu->delay_pcm_irq : 0)) |
 365                        (send_amount[2] << 24));
 366        if (emu->card_capabilities->emu_model)
 367                pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 368        else 
 369                pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 370        if (extra)
 371                snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 372                              emu10k1_select_interprom(pitch_target) |
 373                              (w_16 ? 0 : CCCA_8BITSELECT));
 374        else
 375                snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 376                              emu10k1_select_interprom(pitch_target) |
 377                              (w_16 ? 0 : CCCA_8BITSELECT));
 378        /* Clear filter delay memory */
 379        snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 380        snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 381        /* invalidate maps */
 382        silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
 383        snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 384        snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 385        /* modulation envelope */
 386        snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 387        snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 388        snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 389        snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 390        snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 391        snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 392        snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 393        snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 394        snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 395        snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 396        /* volume envelope */
 397        snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 398        snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 399        /* filter envelope */
 400        snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 401        /* pitch envelope */
 402        snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 403
 404        spin_unlock_irqrestore(&emu->reg_lock, flags);
 405}
 406
 407static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream,
 408                                          struct snd_pcm_hw_params *hw_params)
 409{
 410        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 411        struct snd_pcm_runtime *runtime = substream->runtime;
 412        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 413        int err;
 414
 415        if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 416                return err;
 417        if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
 418                return err;
 419        if (err > 0) {  /* change */
 420                int mapped;
 421                if (epcm->memblk != NULL)
 422                        snd_emu10k1_free_pages(emu, epcm->memblk);
 423                epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 424                epcm->start_addr = 0;
 425                if (! epcm->memblk)
 426                        return -ENOMEM;
 427                mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page;
 428                if (mapped < 0)
 429                        return -ENOMEM;
 430                epcm->start_addr = mapped << PAGE_SHIFT;
 431        }
 432        return 0;
 433}
 434
 435static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream)
 436{
 437        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 438        struct snd_pcm_runtime *runtime = substream->runtime;
 439        struct snd_emu10k1_pcm *epcm;
 440
 441        if (runtime->private_data == NULL)
 442                return 0;
 443        epcm = runtime->private_data;
 444        if (epcm->extra) {
 445                snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 446                epcm->extra = NULL;
 447        }
 448        if (epcm->voices[1]) {
 449                snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 450                epcm->voices[1] = NULL;
 451        }
 452        if (epcm->voices[0]) {
 453                snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 454                epcm->voices[0] = NULL;
 455        }
 456        if (epcm->memblk) {
 457                snd_emu10k1_free_pages(emu, epcm->memblk);
 458                epcm->memblk = NULL;
 459                epcm->start_addr = 0;
 460        }
 461        snd_pcm_lib_free_pages(substream);
 462        return 0;
 463}
 464
 465static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream)
 466{
 467        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 468        struct snd_pcm_runtime *runtime = substream->runtime;
 469        struct snd_emu10k1_pcm *epcm;
 470        int i;
 471
 472        if (runtime->private_data == NULL)
 473                return 0;
 474        epcm = runtime->private_data;
 475        if (epcm->extra) {
 476                snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 477                epcm->extra = NULL;
 478        }
 479        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 480                if (epcm->voices[i]) {
 481                        snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 482                        epcm->voices[i] = NULL;
 483                }
 484        }
 485        if (epcm->memblk) {
 486                snd_emu10k1_free_pages(emu, epcm->memblk);
 487                epcm->memblk = NULL;
 488                epcm->start_addr = 0;
 489        }
 490        snd_pcm_lib_free_pages(substream);
 491        return 0;
 492}
 493
 494static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream)
 495{
 496        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 497        struct snd_pcm_runtime *runtime = substream->runtime;
 498        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 499        unsigned int start_addr, end_addr;
 500
 501        start_addr = epcm->start_addr;
 502        end_addr = snd_pcm_lib_period_bytes(substream);
 503        if (runtime->channels == 2) {
 504                start_addr >>= 1;
 505                end_addr >>= 1;
 506        }
 507        end_addr += start_addr;
 508        snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 509                                   start_addr, end_addr, NULL);
 510        start_addr = epcm->start_addr;
 511        end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 512        snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 513                                   start_addr, end_addr,
 514                                   &emu->pcm_mixer[substream->number]);
 515        if (epcm->voices[1])
 516                snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 517                                           start_addr, end_addr,
 518                                           &emu->pcm_mixer[substream->number]);
 519        return 0;
 520}
 521
 522static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 523{
 524        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 525        struct snd_pcm_runtime *runtime = substream->runtime;
 526        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 527        unsigned int start_addr, end_addr;
 528        unsigned int channel_size;
 529        int i;
 530
 531        start_addr = epcm->start_addr;
 532        end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 533
 534        /*
 535         * the kX driver leaves some space between voices
 536         */
 537        channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 538
 539        snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 540                                   start_addr, start_addr + (channel_size / 2), NULL);
 541
 542        /* only difference with the master voice is we use it for the pointer */
 543        snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 544                                   start_addr, start_addr + channel_size,
 545                                   &emu->efx_pcm_mixer[0]);
 546
 547        start_addr += channel_size;
 548        for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 549                snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 550                                           start_addr, start_addr + channel_size,
 551                                           &emu->efx_pcm_mixer[i]);
 552                start_addr += channel_size;
 553        }
 554
 555        return 0;
 556}
 557
 558static struct snd_pcm_hardware snd_emu10k1_efx_playback =
 559{
 560        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 561                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 562                                 SNDRV_PCM_INFO_RESUME |
 563                                 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 564        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 565        .rates =                SNDRV_PCM_RATE_48000,
 566        .rate_min =             48000,
 567        .rate_max =             48000,
 568        .channels_min =         NUM_EFX_PLAYBACK,
 569        .channels_max =         NUM_EFX_PLAYBACK,
 570        .buffer_bytes_max =     (64*1024),
 571        .period_bytes_min =     64,
 572        .period_bytes_max =     (64*1024),
 573        .periods_min =          2,
 574        .periods_max =          2,
 575        .fifo_size =            0,
 576};
 577
 578static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream,
 579                                         struct snd_pcm_hw_params *hw_params)
 580{
 581        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 582}
 583
 584static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream)
 585{
 586        return snd_pcm_lib_free_pages(substream);
 587}
 588
 589static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream)
 590{
 591        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 592        struct snd_pcm_runtime *runtime = substream->runtime;
 593        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 594        int idx;
 595
 596        /* zeroing the buffer size will stop capture */
 597        snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 598        switch (epcm->type) {
 599        case CAPTURE_AC97ADC:
 600                snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 601                break;
 602        case CAPTURE_EFX:
 603                if (emu->audigy) {
 604                        snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 605                        snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 606                } else
 607                        snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 608                break;
 609        default:
 610                break;
 611        }       
 612        snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 613        epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 614        epcm->capture_bs_val = 0;
 615        for (idx = 0; idx < 31; idx++) {
 616                if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 617                        epcm->capture_bs_val = idx + 1;
 618                        break;
 619                }
 620        }
 621        if (epcm->capture_bs_val == 0) {
 622                snd_BUG();
 623                epcm->capture_bs_val++;
 624        }
 625        if (epcm->type == CAPTURE_AC97ADC) {
 626                epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 627                if (runtime->channels > 1)
 628                        epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 629                epcm->capture_cr_val |= emu->audigy ?
 630                        snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 631                        snd_emu10k1_capture_rate_reg(runtime->rate);
 632        }
 633        return 0;
 634}
 635
 636static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice)
 637{
 638        struct snd_pcm_runtime *runtime;
 639        unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 640
 641        if (evoice == NULL)
 642                return;
 643        runtime = evoice->epcm->substream->runtime;
 644        voice = evoice->number;
 645        stereo = (!extra && runtime->channels == 2);
 646        sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 647        ccis = emu10k1_ccis(stereo, sample == 0);
 648        /* set cs to 2 * number of cache registers beside the invalidated */
 649        cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 650        if (cs > 16) cs = 16;
 651        for (i = 0; i < cs; i++) {
 652                snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 653                if (stereo) {
 654                        snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 655                }
 656        }
 657        /* reset cache */
 658        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 659        snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 660        if (stereo) {
 661                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 662                snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 663        }
 664        /* fill cache */
 665        snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 666        if (stereo) {
 667                snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 668        }
 669}
 670
 671static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice,
 672                                               int master, int extra,
 673                                               struct snd_emu10k1_pcm_mixer *mix)
 674{
 675        struct snd_pcm_substream *substream;
 676        struct snd_pcm_runtime *runtime;
 677        unsigned int attn, vattn;
 678        unsigned int voice, tmp;
 679
 680        if (evoice == NULL)     /* skip second voice for mono */
 681                return;
 682        substream = evoice->epcm->substream;
 683        runtime = substream->runtime;
 684        voice = evoice->number;
 685
 686        attn = extra ? 0 : 0x00ff;
 687        tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 688        vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 689        snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 690        snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 691        snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 692        snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 693        snd_emu10k1_voice_clear_loop_stop(emu, voice);
 694}       
 695
 696static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra)
 697{
 698        struct snd_pcm_substream *substream;
 699        struct snd_pcm_runtime *runtime;
 700        unsigned int voice, pitch, pitch_target;
 701
 702        if (evoice == NULL)     /* skip second voice for mono */
 703                return;
 704        substream = evoice->epcm->substream;
 705        runtime = substream->runtime;
 706        voice = evoice->number;
 707
 708        pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 709        if (emu->card_capabilities->emu_model)
 710                pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */
 711        else 
 712                pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 713        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 714        if (master || evoice->epcm->type == PLAYBACK_EFX)
 715                snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 716        snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 717        if (extra)
 718                snd_emu10k1_voice_intr_enable(emu, voice);
 719}
 720
 721static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice)
 722{
 723        unsigned int voice;
 724
 725        if (evoice == NULL)
 726                return;
 727        voice = evoice->number;
 728        snd_emu10k1_voice_intr_disable(emu, voice);
 729        snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 730        snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 731        snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 732        snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 733        snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 734        snd_emu10k1_ptr_write(emu, IP, voice, 0);
 735}
 736
 737static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu,
 738                struct snd_emu10k1_pcm *epcm,
 739                struct snd_pcm_substream *substream,
 740                struct snd_pcm_runtime *runtime)
 741{
 742        unsigned int ptr, period_pos;
 743
 744        /* try to sychronize the current position for the interrupt
 745           source voice */
 746        period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt;
 747        period_pos %= runtime->period_size;
 748        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number);
 749        ptr &= ~0x00ffffff;
 750        ptr |= epcm->ccca_start_addr + period_pos;
 751        snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr);
 752}
 753
 754static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream,
 755                                        int cmd)
 756{
 757        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 758        struct snd_pcm_runtime *runtime = substream->runtime;
 759        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 760        struct snd_emu10k1_pcm_mixer *mix;
 761        int result = 0;
 762
 763        /*
 764        printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n",
 765               (int)emu, cmd, substream->ops->pointer(substream))
 766        */
 767        spin_lock(&emu->reg_lock);
 768        switch (cmd) {
 769        case SNDRV_PCM_TRIGGER_START:
 770                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 771                snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 772                /* follow thru */
 773        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 774        case SNDRV_PCM_TRIGGER_RESUME:
 775                if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE)
 776                        snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime);
 777                mix = &emu->pcm_mixer[substream->number];
 778                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 779                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 780                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 781                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 782                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 783                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 784                epcm->running = 1;
 785                break;
 786        case SNDRV_PCM_TRIGGER_STOP:
 787        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 788        case SNDRV_PCM_TRIGGER_SUSPEND:
 789                epcm->running = 0;
 790                snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 791                snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 792                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 793                break;
 794        default:
 795                result = -EINVAL;
 796                break;
 797        }
 798        spin_unlock(&emu->reg_lock);
 799        return result;
 800}
 801
 802static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream,
 803                                       int cmd)
 804{
 805        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 806        struct snd_pcm_runtime *runtime = substream->runtime;
 807        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 808        int result = 0;
 809
 810        spin_lock(&emu->reg_lock);
 811        switch (cmd) {
 812        case SNDRV_PCM_TRIGGER_START:
 813        case SNDRV_PCM_TRIGGER_RESUME:
 814                /* hmm this should cause full and half full interrupt to be raised? */
 815                outl(epcm->capture_ipr, emu->port + IPR);
 816                snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 817                /*
 818                printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n",
 819                       epcm->adccr, epcm->adcbs);
 820                */
 821                switch (epcm->type) {
 822                case CAPTURE_AC97ADC:
 823                        snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 824                        break;
 825                case CAPTURE_EFX:
 826                        if (emu->audigy) {
 827                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 828                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 829                                snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2);
 830                        } else
 831                                snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 832                        break;
 833                default:        
 834                        break;
 835                }
 836                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 837                epcm->running = 1;
 838                epcm->first_ptr = 1;
 839                break;
 840        case SNDRV_PCM_TRIGGER_STOP:
 841        case SNDRV_PCM_TRIGGER_SUSPEND:
 842                epcm->running = 0;
 843                snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 844                outl(epcm->capture_ipr, emu->port + IPR);
 845                snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 846                switch (epcm->type) {
 847                case CAPTURE_AC97ADC:
 848                        snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 849                        break;
 850                case CAPTURE_EFX:
 851                        if (emu->audigy) {
 852                                snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 853                                snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 854                        } else
 855                                snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 856                        break;
 857                default:
 858                        break;
 859                }
 860                break;
 861        default:
 862                result = -EINVAL;
 863        }
 864        spin_unlock(&emu->reg_lock);
 865        return result;
 866}
 867
 868static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream)
 869{
 870        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 871        struct snd_pcm_runtime *runtime = substream->runtime;
 872        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 873        unsigned int ptr;
 874
 875        if (!epcm->running)
 876                return 0;
 877        ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 878#if 0   /* Perex's code */
 879        ptr += runtime->buffer_size;
 880        ptr -= epcm->ccca_start_addr;
 881        ptr %= runtime->buffer_size;
 882#else   /* EMU10K1 Open Source code from Creative */
 883        if (ptr < epcm->ccca_start_addr)
 884                ptr += runtime->buffer_size - epcm->ccca_start_addr;
 885        else {
 886                ptr -= epcm->ccca_start_addr;
 887                if (ptr >= runtime->buffer_size)
 888                        ptr -= runtime->buffer_size;
 889        }
 890#endif
 891        /*
 892        printk(KERN_DEBUG
 893               "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n",
 894               (long)ptr, (long)runtime->buffer_size,
 895               (long)runtime->period_size);
 896        */
 897        return ptr;
 898}
 899
 900
 901static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream,
 902                                        int cmd)
 903{
 904        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 905        struct snd_pcm_runtime *runtime = substream->runtime;
 906        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 907        int i;
 908        int result = 0;
 909
 910        spin_lock(&emu->reg_lock);
 911        switch (cmd) {
 912        case SNDRV_PCM_TRIGGER_START:
 913                /* prepare voices */
 914                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 915                        snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 916                }
 917                snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 918
 919                /* follow thru */
 920        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 921        case SNDRV_PCM_TRIGGER_RESUME:
 922                snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 923                snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 924                                                   &emu->efx_pcm_mixer[0]);
 925                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 926                        snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 927                                                           &emu->efx_pcm_mixer[i]);
 928                snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 929                snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 930                for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 931                        snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 932                epcm->running = 1;
 933                break;
 934        case SNDRV_PCM_TRIGGER_SUSPEND:
 935        case SNDRV_PCM_TRIGGER_STOP:
 936        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 937                epcm->running = 0;
 938                for (i = 0; i < NUM_EFX_PLAYBACK; i++) {        
 939                        snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 940                }
 941                snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 942                break;
 943        default:
 944                result = -EINVAL;
 945                break;
 946        }
 947        spin_unlock(&emu->reg_lock);
 948        return result;
 949}
 950
 951
 952static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream)
 953{
 954        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 955        struct snd_pcm_runtime *runtime = substream->runtime;
 956        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 957        unsigned int ptr;
 958
 959        if (!epcm->running)
 960                return 0;
 961        if (epcm->first_ptr) {
 962                udelay(50);     /* hack, it takes awhile until capture is started */
 963                epcm->first_ptr = 0;
 964        }
 965        ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 966        return bytes_to_frames(runtime, ptr);
 967}
 968
 969/*
 970 *  Playback support device description
 971 */
 972
 973static struct snd_pcm_hardware snd_emu10k1_playback =
 974{
 975        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 976                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 977                                 SNDRV_PCM_INFO_RESUME |
 978                                 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 979        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 980        .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 981        .rate_min =             4000,
 982        .rate_max =             96000,
 983        .channels_min =         1,
 984        .channels_max =         2,
 985        .buffer_bytes_max =     (128*1024),
 986        .period_bytes_min =     64,
 987        .period_bytes_max =     (128*1024),
 988        .periods_min =          1,
 989        .periods_max =          1024,
 990        .fifo_size =            0,
 991};
 992
 993/*
 994 *  Capture support device description
 995 */
 996
 997static struct snd_pcm_hardware snd_emu10k1_capture =
 998{
 999        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1000                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1001                                 SNDRV_PCM_INFO_RESUME |
1002                                 SNDRV_PCM_INFO_MMAP_VALID),
1003        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1004        .rates =                SNDRV_PCM_RATE_8000_48000,
1005        .rate_min =             8000,
1006        .rate_max =             48000,
1007        .channels_min =         1,
1008        .channels_max =         2,
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
1017static struct snd_pcm_hardware snd_emu10k1_capture_efx =
1018{
1019        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1020                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1021                                 SNDRV_PCM_INFO_RESUME |
1022                                 SNDRV_PCM_INFO_MMAP_VALID),
1023        .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1024        .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 
1025                                 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 
1026                                 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
1027        .rate_min =             44100,
1028        .rate_max =             192000,
1029        .channels_min =         8,
1030        .channels_max =         8,
1031        .buffer_bytes_max =     (64*1024),
1032        .period_bytes_min =     384,
1033        .period_bytes_max =     (64*1024),
1034        .periods_min =          2,
1035        .periods_max =          2,
1036        .fifo_size =            0,
1037};
1038
1039/*
1040 *
1041 */
1042
1043static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate)
1044{
1045        struct snd_ctl_elem_id id;
1046
1047        if (! kctl)
1048                return;
1049        if (activate)
1050                kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1051        else
1052                kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1053        snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
1054                       SNDRV_CTL_EVENT_MASK_INFO,
1055                       snd_ctl_build_ioff(&id, kctl, idx));
1056}
1057
1058static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1059{
1060        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
1061        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
1062        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
1063}
1064
1065static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate)
1066{
1067        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
1068        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
1069        snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
1070}
1071
1072static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime)
1073{
1074        kfree(runtime->private_data);
1075}
1076
1077static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream)
1078{
1079        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1080        struct snd_emu10k1_pcm_mixer *mix;
1081        int i;
1082
1083        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1084                mix = &emu->efx_pcm_mixer[i];
1085                mix->epcm = NULL;
1086                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1087        }
1088        return 0;
1089}
1090
1091static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream)
1092{
1093        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1094        struct snd_emu10k1_pcm *epcm;
1095        struct snd_emu10k1_pcm_mixer *mix;
1096        struct snd_pcm_runtime *runtime = substream->runtime;
1097        int i;
1098
1099        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1100        if (epcm == NULL)
1101                return -ENOMEM;
1102        epcm->emu = emu;
1103        epcm->type = PLAYBACK_EFX;
1104        epcm->substream = substream;
1105        
1106        emu->pcm_playback_efx_substream = substream;
1107
1108        runtime->private_data = epcm;
1109        runtime->private_free = snd_emu10k1_pcm_free_substream;
1110        runtime->hw = snd_emu10k1_efx_playback;
1111        
1112        for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
1113                mix = &emu->efx_pcm_mixer[i];
1114                mix->send_routing[0][0] = i;
1115                memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1116                mix->send_volume[0][0] = 255;
1117                mix->attn[0] = 0xffff;
1118                mix->epcm = epcm;
1119                snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1120        }
1121        return 0;
1122}
1123
1124static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream)
1125{
1126        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1127        struct snd_emu10k1_pcm *epcm;
1128        struct snd_emu10k1_pcm_mixer *mix;
1129        struct snd_pcm_runtime *runtime = substream->runtime;
1130        int i, err;
1131
1132        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1133        if (epcm == NULL)
1134                return -ENOMEM;
1135        epcm->emu = emu;
1136        epcm->type = PLAYBACK_EMUVOICE;
1137        epcm->substream = substream;
1138        runtime->private_data = epcm;
1139        runtime->private_free = snd_emu10k1_pcm_free_substream;
1140        runtime->hw = snd_emu10k1_playback;
1141        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1142                kfree(epcm);
1143                return err;
1144        }
1145        if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1146                kfree(epcm);
1147                return err;
1148        }
1149        mix = &emu->pcm_mixer[substream->number];
1150        for (i = 0; i < 4; i++)
1151                mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1152        memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1153        mix->send_volume[0][0] = mix->send_volume[0][1] =
1154        mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1155        mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1156        mix->epcm = epcm;
1157        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1158        return 0;
1159}
1160
1161static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream)
1162{
1163        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1164        struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number];
1165
1166        mix->epcm = NULL;
1167        snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1168        return 0;
1169}
1170
1171static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream)
1172{
1173        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1174        struct snd_pcm_runtime *runtime = substream->runtime;
1175        struct snd_emu10k1_pcm *epcm;
1176
1177        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1178        if (epcm == NULL)
1179                return -ENOMEM;
1180        epcm->emu = emu;
1181        epcm->type = CAPTURE_AC97ADC;
1182        epcm->substream = substream;
1183        epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1184        epcm->capture_inte = INTE_ADCBUFENABLE;
1185        epcm->capture_ba_reg = ADCBA;
1186        epcm->capture_bs_reg = ADCBS;
1187        epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1188        runtime->private_data = epcm;
1189        runtime->private_free = snd_emu10k1_pcm_free_substream;
1190        runtime->hw = snd_emu10k1_capture;
1191        emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1192        emu->pcm_capture_substream = substream;
1193        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1194        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1195        return 0;
1196}
1197
1198static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream)
1199{
1200        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1201
1202        emu->capture_interrupt = NULL;
1203        emu->pcm_capture_substream = NULL;
1204        return 0;
1205}
1206
1207static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream)
1208{
1209        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1210        struct snd_emu10k1_pcm *epcm;
1211        struct snd_pcm_runtime *runtime = substream->runtime;
1212
1213        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1214        if (epcm == NULL)
1215                return -ENOMEM;
1216        epcm->emu = emu;
1217        epcm->type = CAPTURE_AC97MIC;
1218        epcm->substream = substream;
1219        epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1220        epcm->capture_inte = INTE_MICBUFENABLE;
1221        epcm->capture_ba_reg = MICBA;
1222        epcm->capture_bs_reg = MICBS;
1223        epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1224        substream->runtime->private_data = epcm;
1225        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1226        runtime->hw = snd_emu10k1_capture;
1227        runtime->hw.rates = SNDRV_PCM_RATE_8000;
1228        runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1229        runtime->hw.channels_min = 1;
1230        emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1231        emu->pcm_capture_mic_substream = substream;
1232        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1233        return 0;
1234}
1235
1236static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream)
1237{
1238        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1239
1240        emu->capture_interrupt = NULL;
1241        emu->pcm_capture_mic_substream = NULL;
1242        return 0;
1243}
1244
1245static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream)
1246{
1247        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1248        struct snd_emu10k1_pcm *epcm;
1249        struct snd_pcm_runtime *runtime = substream->runtime;
1250        int nefx = emu->audigy ? 64 : 32;
1251        int idx;
1252
1253        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1254        if (epcm == NULL)
1255                return -ENOMEM;
1256        epcm->emu = emu;
1257        epcm->type = CAPTURE_EFX;
1258        epcm->substream = substream;
1259        epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1260        epcm->capture_inte = INTE_EFXBUFENABLE;
1261        epcm->capture_ba_reg = FXBA;
1262        epcm->capture_bs_reg = FXBS;
1263        epcm->capture_idx_reg = FXIDX;
1264        substream->runtime->private_data = epcm;
1265        substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1266        runtime->hw = snd_emu10k1_capture_efx;
1267        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1268        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1269        spin_lock_irq(&emu->reg_lock);
1270        if (emu->card_capabilities->emu_model) {
1271                /*  Nb. of channels has been increased to 16 */
1272                /* TODO
1273                 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE
1274                 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
1275                 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
1276                 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000
1277                 * rate_min = 44100,
1278                 * rate_max = 192000,
1279                 * channels_min = 16,
1280                 * channels_max = 16,
1281                 * Need to add mixer control to fix sample rate
1282                 *                 
1283                 * There are 32 mono channels of 16bits each.
1284                 * 24bit Audio uses 2x channels over 16bit
1285                 * 96kHz uses 2x channels over 48kHz
1286                 * 192kHz uses 4x channels over 48kHz
1287                 * So, for 48kHz 24bit, one has 16 channels
1288                 * for 96kHz 24bit, one has 8 channels
1289                 * for 192kHz 24bit, one has 4 channels
1290                 *
1291                 */
1292#if 1
1293                switch (emu->emu1010.internal_clock) {
1294                case 0:
1295                        /* For 44.1kHz */
1296                        runtime->hw.rates = SNDRV_PCM_RATE_44100;
1297                        runtime->hw.rate_min = runtime->hw.rate_max = 44100;
1298                        runtime->hw.channels_min =
1299                                runtime->hw.channels_max = 16;
1300                        break;
1301                case 1:
1302                        /* For 48kHz */
1303                        runtime->hw.rates = SNDRV_PCM_RATE_48000;
1304                        runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1305                        runtime->hw.channels_min =
1306                                runtime->hw.channels_max = 16;
1307                        break;
1308                };
1309#endif
1310#if 0
1311                /* For 96kHz */
1312                runtime->hw.rates = SNDRV_PCM_RATE_96000;
1313                runtime->hw.rate_min = runtime->hw.rate_max = 96000;
1314                runtime->hw.channels_min = runtime->hw.channels_max = 4;
1315#endif
1316#if 0
1317                /* For 192kHz */
1318                runtime->hw.rates = SNDRV_PCM_RATE_192000;
1319                runtime->hw.rate_min = runtime->hw.rate_max = 192000;
1320                runtime->hw.channels_min = runtime->hw.channels_max = 2;
1321#endif
1322                runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
1323                /* efx_voices_mask[0] is expected to be zero
1324                 * efx_voices_mask[1] is expected to have 32bits set
1325                 */
1326        } else {
1327                runtime->hw.channels_min = runtime->hw.channels_max = 0;
1328                for (idx = 0; idx < nefx; idx++) {
1329                        if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1330                                runtime->hw.channels_min++;
1331                                runtime->hw.channels_max++;
1332                        }
1333                }
1334        }
1335        epcm->capture_cr_val = emu->efx_voices_mask[0];
1336        epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1337        spin_unlock_irq(&emu->reg_lock);
1338        emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1339        emu->pcm_capture_efx_substream = substream;
1340        snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1341        return 0;
1342}
1343
1344static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream)
1345{
1346        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1347
1348        emu->capture_interrupt = NULL;
1349        emu->pcm_capture_efx_substream = NULL;
1350        return 0;
1351}
1352
1353static struct snd_pcm_ops snd_emu10k1_playback_ops = {
1354        .open =                 snd_emu10k1_playback_open,
1355        .close =                snd_emu10k1_playback_close,
1356        .ioctl =                snd_pcm_lib_ioctl,
1357        .hw_params =            snd_emu10k1_playback_hw_params,
1358        .hw_free =              snd_emu10k1_playback_hw_free,
1359        .prepare =              snd_emu10k1_playback_prepare,
1360        .trigger =              snd_emu10k1_playback_trigger,
1361        .pointer =              snd_emu10k1_playback_pointer,
1362        .page =                 snd_pcm_sgbuf_ops_page,
1363};
1364
1365static struct snd_pcm_ops snd_emu10k1_capture_ops = {
1366        .open =                 snd_emu10k1_capture_open,
1367        .close =                snd_emu10k1_capture_close,
1368        .ioctl =                snd_pcm_lib_ioctl,
1369        .hw_params =            snd_emu10k1_capture_hw_params,
1370        .hw_free =              snd_emu10k1_capture_hw_free,
1371        .prepare =              snd_emu10k1_capture_prepare,
1372        .trigger =              snd_emu10k1_capture_trigger,
1373        .pointer =              snd_emu10k1_capture_pointer,
1374};
1375
1376/* EFX playback */
1377static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = {
1378        .open =                 snd_emu10k1_efx_playback_open,
1379        .close =                snd_emu10k1_efx_playback_close,
1380        .ioctl =                snd_pcm_lib_ioctl,
1381        .hw_params =            snd_emu10k1_playback_hw_params,
1382        .hw_free =              snd_emu10k1_efx_playback_hw_free,
1383        .prepare =              snd_emu10k1_efx_playback_prepare,
1384        .trigger =              snd_emu10k1_efx_playback_trigger,
1385        .pointer =              snd_emu10k1_efx_playback_pointer,
1386        .page =                 snd_pcm_sgbuf_ops_page,
1387};
1388
1389int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1390{
1391        struct snd_pcm *pcm;
1392        struct snd_pcm_substream *substream;
1393        int err;
1394
1395        if (rpcm)
1396                *rpcm = NULL;
1397
1398        if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1399                return err;
1400
1401        pcm->private_data = emu;
1402
1403        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1404        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1405
1406        pcm->info_flags = 0;
1407        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1408        strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1409        emu->pcm = pcm;
1410
1411        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1412                if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1413                        return err;
1414
1415        for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1416                snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1417
1418        if (rpcm)
1419                *rpcm = pcm;
1420
1421        return 0;
1422}
1423
1424int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1425{
1426        struct snd_pcm *pcm;
1427        struct snd_pcm_substream *substream;
1428        int err;
1429
1430        if (rpcm)
1431                *rpcm = NULL;
1432
1433        if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1434                return err;
1435
1436        pcm->private_data = emu;
1437
1438        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1439
1440        pcm->info_flags = 0;
1441        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1442        strcpy(pcm->name, "Multichannel Playback");
1443        emu->pcm_multi = pcm;
1444
1445        for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1446                if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1447                        return err;
1448
1449        if (rpcm)
1450                *rpcm = pcm;
1451
1452        return 0;
1453}
1454
1455
1456static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = {
1457        .open =                 snd_emu10k1_capture_mic_open,
1458        .close =                snd_emu10k1_capture_mic_close,
1459        .ioctl =                snd_pcm_lib_ioctl,
1460        .hw_params =            snd_emu10k1_capture_hw_params,
1461        .hw_free =              snd_emu10k1_capture_hw_free,
1462        .prepare =              snd_emu10k1_capture_prepare,
1463        .trigger =              snd_emu10k1_capture_trigger,
1464        .pointer =              snd_emu10k1_capture_pointer,
1465};
1466
1467int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1468{
1469        struct snd_pcm *pcm;
1470        int err;
1471
1472        if (rpcm)
1473                *rpcm = NULL;
1474
1475        if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1476                return err;
1477
1478        pcm->private_data = emu;
1479
1480        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1481
1482        pcm->info_flags = 0;
1483        strcpy(pcm->name, "Mic Capture");
1484        emu->pcm_mic = pcm;
1485
1486        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1487
1488        if (rpcm)
1489                *rpcm = pcm;
1490        return 0;
1491}
1492
1493static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1494{
1495        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1496        int nefx = emu->audigy ? 64 : 32;
1497        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1498        uinfo->count = nefx;
1499        uinfo->value.integer.min = 0;
1500        uinfo->value.integer.max = 1;
1501        return 0;
1502}
1503
1504static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1505{
1506        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1507        int nefx = emu->audigy ? 64 : 32;
1508        int idx;
1509        
1510        spin_lock_irq(&emu->reg_lock);
1511        for (idx = 0; idx < nefx; idx++)
1512                ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1513        spin_unlock_irq(&emu->reg_lock);
1514        return 0;
1515}
1516
1517static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1518{
1519        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
1520        unsigned int nval[2], bits;
1521        int nefx = emu->audigy ? 64 : 32;
1522        int nefxb = emu->audigy ? 7 : 6;
1523        int change, idx;
1524        
1525        nval[0] = nval[1] = 0;
1526        for (idx = 0, bits = 0; idx < nefx; idx++)
1527                if (ucontrol->value.integer.value[idx]) {
1528                        nval[idx / 32] |= 1 << (idx % 32);
1529                        bits++;
1530                }
1531                
1532        for (idx = 0; idx < nefxb; idx++)
1533                if (1 << idx == bits)
1534                        break;
1535        
1536        if (idx >= nefxb)
1537                return -EINVAL;
1538
1539        spin_lock_irq(&emu->reg_lock);
1540        change = (nval[0] != emu->efx_voices_mask[0]) ||
1541                (nval[1] != emu->efx_voices_mask[1]);
1542        emu->efx_voices_mask[0] = nval[0];
1543        emu->efx_voices_mask[1] = nval[1];
1544        spin_unlock_irq(&emu->reg_lock);
1545        return change;
1546}
1547
1548static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = {
1549        .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1550        .name = "Captured FX8010 Outputs",
1551        .info = snd_emu10k1_pcm_efx_voices_mask_info,
1552        .get = snd_emu10k1_pcm_efx_voices_mask_get,
1553        .put = snd_emu10k1_pcm_efx_voices_mask_put
1554};
1555
1556static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = {
1557        .open =                 snd_emu10k1_capture_efx_open,
1558        .close =                snd_emu10k1_capture_efx_close,
1559        .ioctl =                snd_pcm_lib_ioctl,
1560        .hw_params =            snd_emu10k1_capture_hw_params,
1561        .hw_free =              snd_emu10k1_capture_hw_free,
1562        .prepare =              snd_emu10k1_capture_prepare,
1563        .trigger =              snd_emu10k1_capture_trigger,
1564        .pointer =              snd_emu10k1_capture_pointer,
1565};
1566
1567
1568/* EFX playback */
1569
1570#define INITIAL_TRAM_SHIFT     14
1571#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1572
1573static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data)
1574{
1575        struct snd_pcm_substream *substream = private_data;
1576        snd_pcm_period_elapsed(substream);
1577}
1578
1579static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1580                                                   unsigned short *dst_right,
1581                                                   unsigned short *src,
1582                                                   unsigned int count,
1583                                                   unsigned int tram_shift)
1584{
1585        /*
1586        printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, "
1587               "src = 0x%p, count = 0x%x\n",
1588               dst_left, dst_right, src, count);
1589        */
1590        if ((tram_shift & 1) == 0) {
1591                while (count--) {
1592                        *dst_left-- = *src++;
1593                        *dst_right-- = *src++;
1594                }
1595        } else {
1596                while (count--) {
1597                        *dst_right-- = *src++;
1598                        *dst_left-- = *src++;
1599                }
1600        }
1601}
1602
1603static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream,
1604                                 struct snd_pcm_indirect *rec, size_t bytes)
1605{
1606        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1607        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1608        unsigned int tram_size = pcm->buffer_size;
1609        unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1610        unsigned int frames = bytes >> 2, count;
1611        unsigned int tram_pos = pcm->tram_pos;
1612        unsigned int tram_shift = pcm->tram_shift;
1613
1614        while (frames > tram_pos) {
1615                count = tram_pos + 1;
1616                snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1617                                                       (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1618                                                       src, count, tram_shift);
1619                src += count * 2;
1620                frames -= count;
1621                tram_pos = (tram_size / 2) - 1;
1622                tram_shift++;
1623        }
1624        snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1625                                               (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1626                                               src, frames, tram_shift);
1627        tram_pos -= frames;
1628        pcm->tram_pos = tram_pos;
1629        pcm->tram_shift = tram_shift;
1630}
1631
1632static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream)
1633{
1634        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1635        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1636
1637        snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1638        return 0;
1639}
1640
1641static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream,
1642                                                 struct snd_pcm_hw_params *hw_params)
1643{
1644        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1645}
1646
1647static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream)
1648{
1649        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1650        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1651        unsigned int i;
1652
1653        for (i = 0; i < pcm->channels; i++)
1654                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1655        snd_pcm_lib_free_pages(substream);
1656        return 0;
1657}
1658
1659static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream)
1660{
1661        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1662        struct snd_pcm_runtime *runtime = substream->runtime;
1663        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1664        unsigned int i;
1665        
1666        /*
1667        printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, "
1668               "buffer_size = 0x%x (0x%x)\n",
1669               emu->fx8010.etram_pages, runtime->dma_area,
1670               runtime->buffer_size, runtime->buffer_size << 2);
1671        */
1672        memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1673        pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1674        pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1675        pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1676        pcm->tram_shift = 0;
1677        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1678        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1679        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1680        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1681        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1682        snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1683        for (i = 0; i < pcm->channels; i++)
1684                snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1685        return 0;
1686}
1687
1688static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1689{
1690        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1691        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1692        int result = 0;
1693
1694        spin_lock(&emu->reg_lock);
1695        switch (cmd) {
1696        case SNDRV_PCM_TRIGGER_START:
1697                /* follow thru */
1698        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1699        case SNDRV_PCM_TRIGGER_RESUME:
1700#ifdef EMU10K1_SET_AC3_IEC958
1701        {
1702                int i;
1703                for (i = 0; i < 3; i++) {
1704                        unsigned int bits;
1705                        bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1706                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1707                               0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1708                        snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1709                }
1710        }
1711#endif
1712                result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1713                if (result < 0)
1714                        goto __err;
1715                snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1716                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1717                break;
1718        case SNDRV_PCM_TRIGGER_STOP:
1719        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1720        case SNDRV_PCM_TRIGGER_SUSPEND:
1721                snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1722                snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1723                pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1724                pcm->tram_shift = 0;
1725                break;
1726        default:
1727                result = -EINVAL;
1728                break;
1729        }
1730      __err:
1731        spin_unlock(&emu->reg_lock);
1732        return result;
1733}
1734
1735static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream)
1736{
1737        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1738        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1739        size_t ptr; /* byte pointer */
1740
1741        if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1742                return 0;
1743        ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1744        return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1745}
1746
1747static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
1748{
1749        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1750                                 SNDRV_PCM_INFO_RESUME |
1751                                 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1752        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1753        .rates =                SNDRV_PCM_RATE_48000,
1754        .rate_min =             48000,
1755        .rate_max =             48000,
1756        .channels_min =         1,
1757        .channels_max =         1,
1758        .buffer_bytes_max =     (128*1024),
1759        .period_bytes_min =     1024,
1760        .period_bytes_max =     (128*1024),
1761        .periods_min =          2,
1762        .periods_max =          1024,
1763        .fifo_size =            0,
1764};
1765
1766static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream)
1767{
1768        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1769        struct snd_pcm_runtime *runtime = substream->runtime;
1770        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1771
1772        runtime->hw = snd_emu10k1_fx8010_playback;
1773        runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1774        runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1775        spin_lock_irq(&emu->reg_lock);
1776        if (pcm->valid == 0) {
1777                spin_unlock_irq(&emu->reg_lock);
1778                return -ENODEV;
1779        }
1780        pcm->opened = 1;
1781        spin_unlock_irq(&emu->reg_lock);
1782        return 0;
1783}
1784
1785static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream)
1786{
1787        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
1788        struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number];
1789
1790        spin_lock_irq(&emu->reg_lock);
1791        pcm->opened = 0;
1792        spin_unlock_irq(&emu->reg_lock);
1793        return 0;
1794}
1795
1796static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = {
1797        .open =                 snd_emu10k1_fx8010_playback_open,
1798        .close =                snd_emu10k1_fx8010_playback_close,
1799        .ioctl =                snd_pcm_lib_ioctl,
1800        .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1801        .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1802        .prepare =              snd_emu10k1_fx8010_playback_prepare,
1803        .trigger =              snd_emu10k1_fx8010_playback_trigger,
1804        .pointer =              snd_emu10k1_fx8010_playback_pointer,
1805        .ack =                  snd_emu10k1_fx8010_playback_transfer,
1806};
1807
1808int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm)
1809{
1810        struct snd_pcm *pcm;
1811        struct snd_kcontrol *kctl;
1812        int err;
1813
1814        if (rpcm)
1815                *rpcm = NULL;
1816
1817        if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1818                return err;
1819
1820        pcm->private_data = emu;
1821
1822        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1823        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1824
1825        pcm->info_flags = 0;
1826        strcpy(pcm->name, "Multichannel Capture/PT Playback");
1827        emu->pcm_efx = pcm;
1828        if (rpcm)
1829                *rpcm = pcm;
1830
1831        /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 
1832         * to these
1833         */     
1834        
1835        /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1836        if (emu->audigy) {
1837                emu->efx_voices_mask[0] = 0;
1838                if (emu->card_capabilities->emu_model)
1839                        /* Pavel Hofman - 32 voices will be used for
1840                         * capture (write mode) -
1841                         * each bit = corresponding voice
1842                         */
1843                        emu->efx_voices_mask[1] = 0xffffffff;
1844                else
1845                        emu->efx_voices_mask[1] = 0xffff;
1846        } else {
1847                emu->efx_voices_mask[0] = 0xffff0000;
1848                emu->efx_voices_mask[1] = 0;
1849        }
1850        /* For emu1010, the control has to set 32 upper bits (voices)
1851         * out of the 64 bits (voices) to true for the 16-channels capture
1852         * to work correctly. Correct A_FXWC2 initial value (0xffffffff)
1853         * is already defined but the snd_emu10k1_pcm_efx_voices_mask
1854         * control can override this register's value.
1855         */
1856        kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1857        if (!kctl)
1858                return -ENOMEM;
1859        kctl->id.device = device;
1860        snd_ctl_add(emu->card, kctl);
1861
1862        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1863
1864        return 0;
1865}
1866