sound/pci/emu10k1/emupcm.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   3  *                   Creative Labs, Inc.
   4  *  Routines for control of EMU10K1 chips / PCM routines
   5  *
   6  *  BUGS:
   7  *    --
   8  *
   9  *  TODO:
  10  *    --
  11  *
  12  *   This program is free software; you can redistribute it and/or modify
  13  *   it under the terms of the GNU General Public License as published by
  14  *   the Free Software Foundation; either version 2 of the License, or
  15  *   (at your option) any later version.
  16  *
  17  *   This program is distributed in the hope that it will be useful,
  18  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *   GNU General Public License for more details.
  21  *
  22  *   You should have received a copy of the GNU General Public License
  23  *   along with this program; if not, write to the Free Software
  24  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  25  *
  26  */
  27
  28 #include <sound/driver.h>
  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
  37 #define chip_t emu10k1_t
  38
  39 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice)
  40 {
  41         emu10k1_pcm_t *epcm;
  42
  43         if ((epcm = voice->epcm) == NULL)
  44                 return;
  45         if (epcm->substream == NULL)
  46                 return;
  47 #if 0
  48         printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  49                         epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  50                         snd_pcm_lib_period_bytes(epcm->substream),
  51                         snd_pcm_lib_buffer_bytes(epcm->substream));
  52 #endif
  53         snd_pcm_period_elapsed(epcm->substream);
  54 }
  55
  56 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, 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
  67 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status)
  68 {
  69 #if 0
  70         if (status & IPR_MICBUFHALFFULL) {
  71                 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  72                         return;
  73         }
  74 #endif
  75         snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  76 }
  77
  78 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status)
  79 {
  80 #if 0
  81         if (status & IPR_EFXBUFHALFFULL) {
  82                 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  83                         return;
  84         }
  85 #endif
  86         snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  87 }
  88
  89 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices)
  90 {
  91         int err;
  92
  93         if (epcm->voices[1] != NULL && voices < 2) {
  94                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
  95                 epcm->voices[1] = NULL;
  96         }
  97         if (voices == 1 && epcm->voices[0] != NULL)
  98                 return 0;               /* already allocated */
  99         if (voices == 2 && epcm->voices[0] != NULL && epcm->voices[1] != NULL)
 100                 return 0;
 101         if (voices > 1) {
 102                 if (epcm->voices[0] != NULL && epcm->voices[1] == NULL) {
 103                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 104                         epcm->voices[0] = NULL;
 105                 }
 106         }
 107         err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, voices > 1, &epcm->voices[0]);
 108         if (err < 0)
 109                 return err;
 110         epcm->voices[0]->epcm = epcm;
 111         if (voices > 1) {
 112                 epcm->voices[1] = &epcm->emu->voices[epcm->voices[0]->number + 1];
 113                 epcm->voices[1]->epcm = epcm;
 114         }
 115         if (epcm->extra == NULL) {
 116                 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, 0, &epcm->extra);
 117                 if (err < 0) {
 118                         // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame);
 119                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 120                         epcm->voices[0] = NULL;
 121                         if (epcm->voices[1])
 122                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 123                         epcm->voices[1] = NULL;
 124                         return err;
 125                 }
 126                 epcm->extra->epcm = epcm;
 127                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 128         }
 129         return 0;
 130 }
 131
 132 static unsigned int capture_period_sizes[31] = {
 133         384,    448,    512,    640,
 134         384*2,  448*2,  512*2,  640*2,
 135         384*4,  448*4,  512*4,  640*4,
 136         384*8,  448*8,  512*8,  640*8,
 137         384*16, 448*16, 512*16, 640*16,
 138         384*32, 448*32, 512*32, 640*32,
 139         384*64, 448*64, 512*64, 640*64,
 140         384*128,448*128,512*128
 141 };
 142
 143 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
 144         .count = 31,
 145         .list = capture_period_sizes,
 146         .mask = 0
 147 };
 148
 149 static unsigned int capture_rates[8] = {
 150         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 151 };
 152
 153 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
 154         .count = 8,
 155         .list = capture_rates,
 156         .mask = 0
 157 };
 158
 159 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 160 {
 161         switch (rate) {
 162         case 8000:      return ADCCR_SAMPLERATE_8;
 163         case 11025:     return ADCCR_SAMPLERATE_11;
 164         case 16000:     return ADCCR_SAMPLERATE_16;
 165         case 22050:     return ADCCR_SAMPLERATE_22;
 166         case 24000:     return ADCCR_SAMPLERATE_24;
 167         case 32000:     return ADCCR_SAMPLERATE_32;
 168         case 44100:     return ADCCR_SAMPLERATE_44;
 169         case 48000:     return ADCCR_SAMPLERATE_48;
 170         default:
 171                         snd_BUG();
 172                         return ADCCR_SAMPLERATE_8;
 173         }
 174 }
 175
 176 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 177 {
 178         switch (rate) {
 179         case 8000:      return A_ADCCR_SAMPLERATE_8;
 180         case 11025:     return A_ADCCR_SAMPLERATE_11;
 181         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 182         case 16000:     return ADCCR_SAMPLERATE_16;
 183         case 22050:     return ADCCR_SAMPLERATE_22;
 184         case 24000:     return ADCCR_SAMPLERATE_24;
 185         case 32000:     return ADCCR_SAMPLERATE_32;
 186         case 44100:     return ADCCR_SAMPLERATE_44;
 187         case 48000:     return ADCCR_SAMPLERATE_48;
 188         default:
 189                         snd_BUG();
 190                         return A_ADCCR_SAMPLERATE_8;
 191         }
 192 }
 193
 194 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 195 {
 196         unsigned int pitch_target;
 197
 198         pitch_target = (rate << 8) / 375;
 199         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 200         return pitch_target;
 201 }
 202
 203 #define PITCH_48000 0x00004000
 204 #define PITCH_96000 0x00008000
 205 #define PITCH_85000 0x00007155
 206 #define PITCH_80726 0x00006ba2
 207 #define PITCH_67882 0x00005a82
 208 #define PITCH_57081 0x00004c1c
 209
 210 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 211 {
 212         if (pitch_target == PITCH_48000)
 213                 return CCCA_INTERPROM_0;
 214         else if (pitch_target < PITCH_48000)
 215                 return CCCA_INTERPROM_1;
 216         else if (pitch_target >= PITCH_96000)
 217                 return CCCA_INTERPROM_0;
 218         else if (pitch_target >= PITCH_85000)
 219                 return CCCA_INTERPROM_6;
 220         else if (pitch_target >= PITCH_80726)
 221                 return CCCA_INTERPROM_5;
 222         else if (pitch_target >= PITCH_67882)
 223                 return CCCA_INTERPROM_4;
 224         else if (pitch_target >= PITCH_57081)
 225                 return CCCA_INTERPROM_3;
 226         else
 227                 return CCCA_INTERPROM_2;
 228 }
 229
 230
 231 static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu,
 232                                        int master, int extra,
 233                                        emu10k1_voice_t *evoice,
 234                                        unsigned int start_addr,
 235                                        unsigned int end_addr)
 236 {
 237         snd_pcm_substream_t *substream = evoice->epcm->substream;
 238         snd_pcm_runtime_t *runtime = substream->runtime;
 239         emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
 240         unsigned int silent_page, tmp;
 241         int voice, stereo, w_16;
 242         unsigned char attn, send_amount[8];
 243         unsigned char send_routing[8];
 244         unsigned long flags;
 245         unsigned int pitch_target;
 246
 247         voice = evoice->number;
 248         stereo = runtime->channels == 2;
 249         w_16 = snd_pcm_format_width(runtime->format) == 16;
 250
 251         if (!extra && stereo) {
 252                 start_addr >>= 1;
 253                 end_addr >>= 1;
 254         }
 255         if (w_16) {
 256                 start_addr >>= 1;
 257                 end_addr >>= 1;
 258         }
 259
 260         spin_lock_irqsave(&emu->reg_lock, flags);
 261
 262         /* volume parameters */
 263         if (extra) {
 264                 attn = 0;
 265                 memset(send_routing, 0, sizeof(send_routing));
 266                 send_routing[0] = 0;
 267                 send_routing[1] = 1;
 268                 send_routing[2] = 2;
 269                 send_routing[3] = 3;
 270                 memset(send_amount, 0, sizeof(send_amount));
 271         } else {
 272                 tmp = stereo ? (master ? 1 : 2) : 0;
 273                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 274                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 275         }
 276
 277         if (master) {
 278                 unsigned int ccis = stereo ? 28 : 30;
 279                 if (w_16)
 280                         ccis *= 2;
 281                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 282                 if (extra) {
 283                         start_addr += ccis;
 284                         end_addr += ccis;
 285                 }
 286                 if (stereo && !extra) {
 287                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 288                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 289                 } else {
 290                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 291                 }
 292         }
 293
 294         // setup routing
 295         if (emu->audigy) {
 296                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 297                                       ((unsigned int)send_routing[3] << 24) |
 298                                       ((unsigned int)send_routing[2] << 16) |
 299                                       ((unsigned int)send_routing[1] << 8) |
 300                                       (unsigned int)send_routing[0]);
 301                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 302                                       ((unsigned int)send_routing[7] << 24) |
 303                                       ((unsigned int)send_routing[6] << 16) |
 304                                       ((unsigned int)send_routing[5] << 8) |
 305                                       (unsigned int)send_routing[4]);
 306                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 307                                       ((unsigned int)send_amount[4] << 24) |
 308                                       ((unsigned int)send_amount[5] << 16) |
 309                                       ((unsigned int)send_amount[6] << 8) |
 310                                       (unsigned int)send_amount[7]);
 311         } else
 312                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 313                                       snd_emu10k1_compose_send_routing(send_routing));
 314         // Stop CA
 315         // Assumption that PT is already 0 so no harm overwriting
 316         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 317         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 318         snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
 319         pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 320         snd_emu10k1_ptr_write(emu, CCCA, voice, evoice->epcm->ccca_start_addr |
 321                               emu10k1_select_interprom(pitch_target) |
 322                               (w_16 ? 0 : CCCA_8BITSELECT));
 323         // Clear filter delay memory
 324         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 325         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 326         // invalidate maps
 327         silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
 328         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 329         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 330         // modulation envelope
 331         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 332         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 333         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 334         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 335         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 336         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 337         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 338         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 339         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 340         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 341         // volume envelope
 342         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 343         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 344         // filter envelope
 345         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 346         // pitch envelope
 347         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 348
 349         spin_unlock_irqrestore(&emu->reg_lock, flags);
 350 }
 351
 352 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream,
 353                                           snd_pcm_hw_params_t * hw_params)
 354 {
 355         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 356         snd_pcm_runtime_t *runtime = substream->runtime;
 357         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 358         int err;
 359
 360         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 361                 return err;
 362         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
 363                 return err;
 364         if (err > 0) {  /* change */
 365                 snd_util_memblk_t *memblk;
 366                 if (epcm->memblk != NULL)
 367                         snd_emu10k1_free_pages(emu, epcm->memblk);
 368                 memblk = snd_emu10k1_alloc_pages(emu, substream);
 369                 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) {
 370                         epcm->start_addr = 0;
 371                         return -ENOMEM;
 372                 }
 373                 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT;
 374         }
 375         return 0;
 376 }
 377
 378 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
 379 {
 380         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 381         snd_pcm_runtime_t *runtime = substream->runtime;
 382         emu10k1_pcm_t *epcm;
 383
 384         if (runtime->private_data == NULL)
 385                 return 0;
 386         epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 387         if (epcm->extra) {
 388                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 389                 epcm->extra = NULL;
 390         }
 391         if (epcm->voices[1]) {
 392                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 393                 epcm->voices[1] = NULL;
 394         }
 395         if (epcm->voices[0]) {
 396                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 397                 epcm->voices[0] = NULL;
 398         }
 399         if (epcm->memblk) {
 400                 snd_emu10k1_free_pages(emu, epcm->memblk);
 401                 epcm->memblk = NULL;
 402                 epcm->start_addr = 0;
 403         }
 404         snd_pcm_lib_free_pages(substream);
 405         return 0;
 406 }
 407
 408 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
 409 {
 410         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 411         snd_pcm_runtime_t *runtime = substream->runtime;
 412         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 413         unsigned int start_addr, end_addr;
 414
 415         start_addr = epcm->start_addr;
 416         end_addr = snd_pcm_lib_period_bytes(substream);
 417         if (runtime->channels == 2)
 418                 end_addr >>= 1;
 419         end_addr += start_addr;
 420         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 421                                    start_addr, end_addr);
 422         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 423         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 424                                    start_addr, end_addr);
 425         if (epcm->voices[1])
 426                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 427                                            start_addr, end_addr);
 428         return 0;
 429 }
 430
 431 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
 432                                          snd_pcm_hw_params_t * hw_params)
 433 {
 434         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 435 }
 436
 437 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
 438 {
 439         return snd_pcm_lib_free_pages(substream);
 440 }
 441
 442 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
 443 {
 444         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 445         snd_pcm_runtime_t *runtime = substream->runtime;
 446         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 447         int idx;
 448
 449         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 450         switch (epcm->type) {
 451         case CAPTURE_AC97ADC:
 452                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 453                 break;
 454         case CAPTURE_EFX:
 455                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 456                 break;
 457         default:
 458                 break;
 459         }
 460         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 461         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 462         epcm->capture_bs_val = 0;
 463         for (idx = 0; idx < 31; idx++) {
 464                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 465                         epcm->capture_bs_val = idx + 1;
 466                         break;
 467                 }
 468         }
 469         if (epcm->capture_bs_val == 0) {
 470                 snd_BUG();
 471                 epcm->capture_bs_val++;
 472         }
 473         if (epcm->type == CAPTURE_AC97ADC) {
 474                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 475                 if (runtime->channels > 1)
 476                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 477                 epcm->capture_cr_val |= emu->audigy ?
 478                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 479                         snd_emu10k1_capture_rate_reg(runtime->rate);
 480         }
 481         return 0;
 482 }
 483
 484 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, emu10k1_voice_t *evoice)
 485 {
 486         snd_pcm_runtime_t *runtime;
 487         unsigned int voice, i, ccis, cra = 64, cs, sample;
 488
 489         if (evoice == NULL)
 490                 return;
 491         runtime = evoice->epcm->substream->runtime;
 492         voice = evoice->number;
 493         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 494         if (runtime->channels > 1) {
 495                 ccis = 28;
 496                 cs = 4;
 497         } else {
 498                 ccis = 30;
 499                 cs = 2;
 500         }
 501         if (sample == 0)        /* 16-bit */
 502                 ccis *= 2;
 503         for (i = 0; i < cs; i++)
 504                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 505         // reset cache
 506         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 507         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 508         if (runtime->channels > 1) {
 509                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 510                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 511         }
 512         // fill cache
 513         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 514 }
 515
 516 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
 517 {
 518         snd_pcm_substream_t *substream;
 519         snd_pcm_runtime_t *runtime;
 520         emu10k1_pcm_mixer_t *mix;
 521         unsigned int voice, pitch, pitch_target, tmp;
 522         unsigned int attn;
 523
 524         if (evoice == NULL)     /* skip second voice for mono */
 525                 return;
 526         substream = evoice->epcm->substream;
 527         runtime = substream->runtime;
 528         mix = &emu->pcm_mixer[substream->number];
 529         voice = evoice->number;
 530         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 531         pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 532         attn = extra ? 0 : 0x00ff;
 533         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 534         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 535         snd_emu10k1_ptr_write(emu, VTFT, voice, (mix->attn[tmp] << 16) | 0xffff);
 536         snd_emu10k1_ptr_write(emu, CVCF, voice, (mix->attn[tmp] << 16) | 0xffff);
 537         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 538         if (extra)
 539                 snd_emu10k1_voice_intr_enable(emu, voice);
 540         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 541         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 542         if (master)
 543                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 544         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 545 }
 546
 547 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
 548 {
 549         unsigned int voice;
 550
 551         if (evoice == NULL)
 552                 return;
 553         voice = evoice->number;
 554         snd_emu10k1_voice_intr_disable(emu, voice);
 555         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 556         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 557         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 558         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 559         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 560         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 561 }
 562
 563 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
 564                                         int cmd)
 565 {
 566         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 567         snd_pcm_runtime_t *runtime = substream->runtime;
 568         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 569         unsigned long flags;
 570         int result = 0;
 571
 572         // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
 573         spin_lock_irqsave(&emu->reg_lock, flags);
 574         switch (cmd) {
 575         case SNDRV_PCM_TRIGGER_START:
 576                 snd_emu10k1_playback_invalidate_cache(emu, epcm->extra);        /* do we need this? */
 577                 snd_emu10k1_playback_invalidate_cache(emu, epcm->voices[0]);
 578                 /* follow thru */
 579         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 580                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 581                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 582                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 583                 epcm->running = 1;
 584                 break;
 585         case SNDRV_PCM_TRIGGER_STOP:
 586         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 587                 epcm->running = 0;
 588                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 589                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 590                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 591                 break;
 592         default:
 593                 result = -EINVAL;
 594                 break;
 595         }
 596         spin_unlock_irqrestore(&emu->reg_lock, flags);
 597         return result;
 598 }
 599
 600 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
 601                                        int cmd)
 602 {
 603         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 604         snd_pcm_runtime_t *runtime = substream->runtime;
 605         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 606         unsigned long flags;
 607         int result = 0;
 608
 609         // printk("trigger - emu10k1 = %p, cmd = %i, pointer = %i\n", emu, cmd, substream->ops->pointer(substream));
 610         spin_lock_irqsave(&emu->reg_lock, flags);
 611         switch (cmd) {
 612         case SNDRV_PCM_TRIGGER_START:
 613                 outl(epcm->capture_ipr, emu->port + IPR);
 614                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 615                 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
 616                 switch (epcm->type) {
 617                 case CAPTURE_AC97ADC:
 618                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 619                         break;
 620                 case CAPTURE_EFX:
 621                         snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 622                         break;
 623                 default:
 624                         break;
 625                 }
 626                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 627                 epcm->running = 1;
 628                 epcm->first_ptr = 1;
 629                 break;
 630         case SNDRV_PCM_TRIGGER_STOP:
 631                 epcm->running = 0;
 632                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 633                 outl(epcm->capture_ipr, emu->port + IPR);
 634                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 635                 switch (epcm->type) {
 636                 case CAPTURE_AC97ADC:
 637                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 638                         break;
 639                 case CAPTURE_EFX:
 640                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 641                         break;
 642                 default:
 643                         break;
 644                 }
 645                 break;
 646         default:
 647                 result = -EINVAL;
 648         }
 649         spin_unlock_irqrestore(&emu->reg_lock, flags);
 650         return result;
 651 }
 652
 653 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
 654 {
 655         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 656         snd_pcm_runtime_t *runtime = substream->runtime;
 657         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 658         unsigned int ptr;
 659
 660         if (!epcm->running)
 661                 return 0;
 662         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 663 #if 0   /* Perex's code */
 664         ptr += runtime->buffer_size;
 665         ptr -= epcm->ccca_start_addr;
 666         ptr %= runtime->buffer_size;
 667 #else   /* EMU10K1 Open Source code from Creative */
 668         if (ptr < epcm->ccca_start_addr)
 669                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 670         else {
 671                 ptr -= epcm->ccca_start_addr;
 672                 if (ptr >= runtime->buffer_size)
 673                         ptr -= runtime->buffer_size;
 674         }
 675 #endif
 676         // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
 677         return ptr;
 678 }
 679
 680 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
 681 {
 682         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 683         snd_pcm_runtime_t *runtime = substream->runtime;
 684         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return -ENXIO);
 685         unsigned int ptr;
 686
 687         if (!epcm->running)
 688                 return 0;
 689         if (epcm->first_ptr) {
 690                 udelay(50);     // hack, it takes awhile until capture is started
 691                 epcm->first_ptr = 0;
 692         }
 693         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 694         return bytes_to_frames(runtime, ptr);
 695 }
 696
 697 /*
 698  *  Playback support device description
 699  */
 700
 701 static snd_pcm_hardware_t snd_emu10k1_playback =
 702 {
 703         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 704                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 705                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 706         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 707         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
 708         .rate_min =             4000,
 709         .rate_max =             48000,
 710         .channels_min =         1,
 711         .channels_max =         2,
 712         .buffer_bytes_max =     (128*1024),
 713         .period_bytes_min =     64,
 714         .period_bytes_max =     (128*1024),
 715         .periods_min =          1,
 716         .periods_max =          1024,
 717         .fifo_size =            0,
 718 };
 719
 720 /*
 721  *  Capture support device description
 722  */
 723
 724 static snd_pcm_hardware_t snd_emu10k1_capture =
 725 {
 726         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 727                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 728                                  SNDRV_PCM_INFO_MMAP_VALID),
 729         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 730         .rates =                SNDRV_PCM_RATE_8000_48000,
 731         .rate_min =             8000,
 732         .rate_max =             48000,
 733         .channels_min =         1,
 734         .channels_max =         2,
 735         .buffer_bytes_max =     (64*1024),
 736         .period_bytes_min =     384,
 737         .period_bytes_max =     (64*1024),
 738         .periods_min =          2,
 739         .periods_max =          2,
 740         .fifo_size =            0,
 741 };
 742
 743 /*
 744  *
 745  */
 746
 747 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
 748 {
 749         snd_ctl_elem_id_t id;
 750
 751         snd_runtime_check(kctl != NULL, return);
 752         if (activate)
 753                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 754         else
 755                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 756         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
 757                        SNDRV_CTL_EVENT_MASK_INFO,
 758                        snd_ctl_build_ioff(&id, kctl, idx));
 759 }
 760
 761 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
 762 {
 763         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
 764         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
 765         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
 766 }
 767
 768 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
 769 {
 770         emu10k1_pcm_t *epcm = snd_magic_cast(emu10k1_pcm_t, runtime->private_data, return);
 771
 772         if (epcm)
 773                 snd_magic_kfree(epcm);
 774 }
 775
 776 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
 777 {
 778         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 779         emu10k1_pcm_t *epcm;
 780         emu10k1_pcm_mixer_t *mix;
 781         snd_pcm_runtime_t *runtime = substream->runtime;
 782         int i, err;
 783
 784         epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
 785         if (epcm == NULL)
 786                 return -ENOMEM;
 787         epcm->emu = emu;
 788         epcm->type = PLAYBACK_EMUVOICE;
 789         epcm->substream = substream;
 790         runtime->private_data = epcm;
 791         runtime->private_free = snd_emu10k1_pcm_free_substream;
 792         runtime->hw = snd_emu10k1_playback;
 793         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
 794                 snd_magic_kfree(epcm);
 795                 return err;
 796         }
 797         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
 798                 snd_magic_kfree(epcm);
 799                 return err;
 800         }
 801         mix = &emu->pcm_mixer[substream->number];
 802         for (i = 0; i < 4; i++)
 803                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
 804         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
 805         mix->send_volume[0][0] = mix->send_volume[0][1] =
 806         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
 807         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
 808         mix->epcm = epcm;
 809         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
 810         return 0;
 811 }
 812
 813 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
 814 {
 815         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 816         emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
 817
 818         mix->epcm = NULL;
 819         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
 820         return 0;
 821 }
 822
 823 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
 824 {
 825         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 826         snd_pcm_runtime_t *runtime = substream->runtime;
 827         emu10k1_pcm_t *epcm;
 828
 829         epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
 830         if (epcm == NULL)
 831                 return -ENOMEM;
 832         epcm->emu = emu;
 833         epcm->type = CAPTURE_AC97ADC;
 834         epcm->substream = substream;
 835         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
 836         epcm->capture_inte = INTE_ADCBUFENABLE;
 837         epcm->capture_ba_reg = ADCBA;
 838         epcm->capture_bs_reg = ADCBS;
 839         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
 840         runtime->private_data = epcm;
 841         runtime->private_free = snd_emu10k1_pcm_free_substream;
 842         runtime->hw = snd_emu10k1_capture;
 843         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
 844         emu->pcm_capture_substream = substream;
 845         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
 846         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
 847         return 0;
 848 }
 849
 850 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
 851 {
 852         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 853
 854         emu->capture_interrupt = NULL;
 855         emu->pcm_capture_substream = NULL;
 856         return 0;
 857 }
 858
 859 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
 860 {
 861         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 862         emu10k1_pcm_t *epcm;
 863         snd_pcm_runtime_t *runtime = substream->runtime;
 864
 865         epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
 866         if (epcm == NULL)
 867                 return -ENOMEM;
 868         epcm->emu = emu;
 869         epcm->type = CAPTURE_AC97MIC;
 870         epcm->substream = substream;
 871         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
 872         epcm->capture_inte = INTE_MICBUFENABLE;
 873         epcm->capture_ba_reg = MICBA;
 874         epcm->capture_bs_reg = MICBS;
 875         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
 876         substream->runtime->private_data = epcm;
 877         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
 878         runtime->hw = snd_emu10k1_capture;
 879         runtime->hw.rates = SNDRV_PCM_RATE_8000;
 880         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
 881         runtime->hw.channels_min = 1;
 882         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
 883         emu->pcm_capture_mic_substream = substream;
 884         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
 885         return 0;
 886 }
 887
 888 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
 889 {
 890         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 891
 892         emu->capture_interrupt = NULL;
 893         emu->pcm_capture_mic_substream = NULL;
 894         return 0;
 895 }
 896
 897 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
 898 {
 899         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 900         emu10k1_pcm_t *epcm;
 901         snd_pcm_runtime_t *runtime = substream->runtime;
 902         unsigned long flags;
 903         int nefx = emu->audigy ? 64 : 32;
 904         int idx;
 905
 906         epcm = snd_magic_kcalloc(emu10k1_pcm_t, 0, GFP_KERNEL);
 907         if (epcm == NULL)
 908                 return -ENOMEM;
 909         epcm->emu = emu;
 910         epcm->type = CAPTURE_EFX;
 911         epcm->substream = substream;
 912         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
 913         epcm->capture_inte = INTE_EFXBUFENABLE;
 914         epcm->capture_ba_reg = FXBA;
 915         epcm->capture_bs_reg = FXBS;
 916         epcm->capture_idx_reg = FXIDX;
 917         substream->runtime->private_data = epcm;
 918         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
 919         runtime->hw = snd_emu10k1_capture;
 920         runtime->hw.rates = SNDRV_PCM_RATE_48000;
 921         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
 922         spin_lock_irqsave(&emu->reg_lock, flags);
 923         runtime->hw.channels_min = runtime->hw.channels_max = 0;
 924         for (idx = 0; idx < nefx; idx++) {
 925                 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
 926                         runtime->hw.channels_min++;
 927                         runtime->hw.channels_max++;
 928                 }
 929         }
 930         epcm->capture_cr_val = emu->efx_voices_mask[0];
 931         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
 932         spin_unlock_irqrestore(&emu->reg_lock, flags);
 933         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
 934         emu->pcm_capture_efx_substream = substream;
 935         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
 936         return 0;
 937 }
 938
 939 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
 940 {
 941         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 942
 943         emu->capture_interrupt = NULL;
 944         emu->pcm_capture_efx_substream = NULL;
 945         return 0;
 946 }
 947
 948 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
 949         .open =                 snd_emu10k1_playback_open,
 950         .close =                snd_emu10k1_playback_close,
 951         .ioctl =                snd_pcm_lib_ioctl,
 952         .hw_params =            snd_emu10k1_playback_hw_params,
 953         .hw_free =              snd_emu10k1_playback_hw_free,
 954         .prepare =              snd_emu10k1_playback_prepare,
 955         .trigger =              snd_emu10k1_playback_trigger,
 956         .pointer =              snd_emu10k1_playback_pointer,
 957         .page =                 snd_pcm_sgbuf_ops_page,
 958 };
 959
 960 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
 961         .open =                 snd_emu10k1_capture_open,
 962         .close =                snd_emu10k1_capture_close,
 963         .ioctl =                snd_pcm_lib_ioctl,
 964         .hw_params =            snd_emu10k1_capture_hw_params,
 965         .hw_free =              snd_emu10k1_capture_hw_free,
 966         .prepare =              snd_emu10k1_capture_prepare,
 967         .trigger =              snd_emu10k1_capture_trigger,
 968         .pointer =              snd_emu10k1_capture_pointer,
 969 };
 970
 971 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm)
 972 {
 973         emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return);
 974         emu->pcm = NULL;
 975         snd_pcm_lib_preallocate_free_for_all(pcm);
 976 }
 977
 978 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
 979 {
 980         snd_pcm_t *pcm;
 981         snd_pcm_substream_t *substream;
 982         int err;
 983
 984         if (rpcm)
 985                 *rpcm = NULL;
 986
 987         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
 988                 return err;
 989
 990         pcm->private_data = emu;
 991         pcm->private_free = snd_emu10k1_pcm_free;
 992
 993         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
 994         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
 995
 996         pcm->info_flags = 0;
 997         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 998         strcpy(pcm->name, "EMU10K1");
 999         emu->pcm = pcm;
1000
1001         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1002                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1003                         return err;
1004
1005         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1006                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1007
1008         if (rpcm)
1009                 *rpcm = pcm;
1010
1011         return 0;
1012 }
1013
1014 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1015         .open =                 snd_emu10k1_capture_mic_open,
1016         .close =                snd_emu10k1_capture_mic_close,
1017         .ioctl =                snd_pcm_lib_ioctl,
1018         .hw_params =            snd_emu10k1_capture_hw_params,
1019         .hw_free =              snd_emu10k1_capture_hw_free,
1020         .prepare =              snd_emu10k1_capture_prepare,
1021         .trigger =              snd_emu10k1_capture_trigger,
1022         .pointer =              snd_emu10k1_capture_pointer,
1023 };
1024
1025 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm)
1026 {
1027         emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return);
1028         emu->pcm_mic = NULL;
1029         snd_pcm_lib_preallocate_free_for_all(pcm);
1030 }
1031
1032 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1033 {
1034         snd_pcm_t *pcm;
1035         int err;
1036
1037         if (rpcm)
1038                 *rpcm = NULL;
1039
1040         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1041                 return err;
1042
1043         pcm->private_data = emu;
1044         pcm->private_free = snd_emu10k1_pcm_mic_free;
1045
1046         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1047
1048         pcm->info_flags = 0;
1049         strcpy(pcm->name, "EMU10K1 MIC");
1050         emu->pcm_mic = pcm;
1051
1052         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1053
1054         if (rpcm)
1055                 *rpcm = pcm;
1056         return 0;
1057 }
1058
1059 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1060 {
1061         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1062         int nefx = emu->audigy ? 64 : 32;
1063         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1064         uinfo->count = nefx;
1065         uinfo->value.integer.min = 0;
1066         uinfo->value.integer.max = 1;
1067         return 0;
1068 }
1069
1070 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1071 {
1072         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1073         unsigned long flags;
1074         int nefx = emu->audigy ? 64 : 32;
1075         int idx;
1076
1077         spin_lock_irqsave(&emu->reg_lock, flags);
1078         for (idx = 0; idx < nefx; idx++)
1079                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1080         spin_unlock_irqrestore(&emu->reg_lock, flags);
1081         return 0;
1082 }
1083
1084 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1085 {
1086         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1087         unsigned long flags;
1088         unsigned int nval[2], bits;
1089         int nefx = emu->audigy ? 64 : 32;
1090         int change, idx;
1091
1092         nval[0] = nval[1] = 0;
1093         for (idx = 0, bits = 0; idx < nefx; idx++)
1094                 if (ucontrol->value.integer.value[idx]) {
1095                         nval[idx / 32] |= 1 << (idx % 32);
1096                         bits++;
1097                 }
1098         if (bits != 1 && bits != 2 && bits != 4 && bits != 8)
1099                 return -EINVAL;
1100         spin_lock_irqsave(&emu->reg_lock, flags);
1101         change = (nval[0] != emu->efx_voices_mask[0]) ||
1102                 (nval[1] != emu->efx_voices_mask[1]);
1103         emu->efx_voices_mask[0] = nval[0];
1104         emu->efx_voices_mask[1] = nval[1];
1105         spin_unlock_irqrestore(&emu->reg_lock, flags);
1106         return change;
1107 }
1108
1109 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1110         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1111         .name = "EFX voices mask",
1112         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1113         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1114         .put = snd_emu10k1_pcm_efx_voices_mask_put
1115 };
1116
1117 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1118         .open =                 snd_emu10k1_capture_efx_open,
1119         .close =                snd_emu10k1_capture_efx_close,
1120         .ioctl =                snd_pcm_lib_ioctl,
1121         .hw_params =            snd_emu10k1_capture_hw_params,
1122         .hw_free =              snd_emu10k1_capture_hw_free,
1123         .prepare =              snd_emu10k1_capture_prepare,
1124         .trigger =              snd_emu10k1_capture_trigger,
1125         .pointer =              snd_emu10k1_capture_pointer,
1126 };
1127
1128 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm)
1129 {
1130         emu10k1_t *emu = snd_magic_cast(emu10k1_t, pcm->private_data, return);
1131         emu->pcm_efx = NULL;
1132         snd_pcm_lib_preallocate_free_for_all(pcm);
1133 }
1134
1135 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1136 {
1137         snd_pcm_t *pcm;
1138         int err;
1139
1140         if (rpcm)
1141                 *rpcm = NULL;
1142
1143         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 0, 1, &pcm)) < 0)
1144                 return err;
1145
1146         pcm->private_data = emu;
1147         pcm->private_free = snd_emu10k1_pcm_efx_free;
1148
1149         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1150
1151         pcm->info_flags = 0;
1152         strcpy(pcm->name, "EMU10K1 EFX");
1153         emu->pcm_efx = pcm;
1154         if (rpcm)
1155                 *rpcm = pcm;
1156
1157         emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A;
1158         emu->efx_voices_mask[1] = 0;
1159         snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu));
1160
1161         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1162
1163         return 0;
1164 }