SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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  *  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 <sound/driver.h>
  30 #include <linux/pci.h>
  31 #include <linux/delay.h>
  32 #include <linux/slab.h>
  33 #include <linux/time.h>
  34 #include <linux/init.h>
  35 #include <sound/core.h>
  36 #include <sound/emu10k1.h>
  37
  38 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice)
  39 {
  40         emu10k1_pcm_t *epcm;
  41
  42         if ((epcm = voice->epcm) == NULL)
  43                 return;
  44         if (epcm->substream == NULL)
  45                 return;
  46 #if 0
  47         printk("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
  55 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status)
  56 {
  57 #if 0
  58         if (status & IPR_ADCBUFHALFFULL) {
  59                 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  60                         return;
  61         }
  62 #endif
  63         snd_pcm_period_elapsed(emu->pcm_capture_substream);
  64 }
  65
  66 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status)
  67 {
  68 #if 0
  69         if (status & IPR_MICBUFHALFFULL) {
  70                 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  71                         return;
  72         }
  73 #endif
  74         snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  75 }
  76
  77 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status)
  78 {
  79 #if 0
  80         if (status & IPR_EFXBUFHALFFULL) {
  81                 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  82                         return;
  83         }
  84 #endif
  85         snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  86 }
  87
  88 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(snd_pcm_substream_t * substream)
  89 {
  90         emu10k1_t *emu = snd_pcm_substream_chip(substream);
  91         snd_pcm_runtime_t *runtime = substream->runtime;
  92         emu10k1_pcm_t *epcm = runtime->private_data;
  93         unsigned int ptr;
  94
  95         if (!epcm->running)
  96                 return 0;
  97         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
  98         ptr += runtime->buffer_size;
  99         ptr -= epcm->ccca_start_addr;
 100         ptr %= runtime->buffer_size;
 101
 102         return ptr;
 103 }
 104
 105 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices)
 106 {
 107         int err, i;
 108
 109         if (epcm->voices[1] != NULL && voices < 2) {
 110                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 111                 epcm->voices[1] = NULL;
 112         }
 113         for (i = 0; i < voices; i++) {
 114                 if (epcm->voices[i] == NULL)
 115                         break;
 116         }
 117         if (i == voices)
 118                 return 0; /* already allocated */
 119
 120         for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) {
 121                 if (epcm->voices[i]) {
 122                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 123                         epcm->voices[i] = NULL;
 124                 }
 125         }
 126         err = snd_emu10k1_voice_alloc(epcm->emu,
 127                                       epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 128                                       voices,
 129                                       &epcm->voices[0]);
 130
 131         if (err < 0)
 132                 return err;
 133         epcm->voices[0]->epcm = epcm;
 134         if (voices > 1) {
 135                 for (i = 1; i < voices; i++) {
 136                         epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i];
 137                         epcm->voices[i]->epcm = epcm;
 138                 }
 139         }
 140         if (epcm->extra == NULL) {
 141                 err = snd_emu10k1_voice_alloc(epcm->emu,
 142                                               epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX,
 143                                               1,
 144                                               &epcm->extra);
 145                 if (err < 0) {
 146                         // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame);
 147                         for (i = 0; i < voices; i++) {
 148                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 149                                 epcm->voices[i] = NULL;
 150                         }
 151                         return err;
 152                 }
 153                 epcm->extra->epcm = epcm;
 154                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 155         }
 156         return 0;
 157 }
 158
 159 static unsigned int capture_period_sizes[31] = {
 160         384,    448,    512,    640,
 161         384*2,  448*2,  512*2,  640*2,
 162         384*4,  448*4,  512*4,  640*4,
 163         384*8,  448*8,  512*8,  640*8,
 164         384*16, 448*16, 512*16, 640*16,
 165         384*32, 448*32, 512*32, 640*32,
 166         384*64, 448*64, 512*64, 640*64,
 167         384*128,448*128,512*128
 168 };
 169
 170 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
 171         .count = 31,
 172         .list = capture_period_sizes,
 173         .mask = 0
 174 };
 175
 176 static unsigned int capture_rates[8] = {
 177         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 178 };
 179
 180 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
 181         .count = 8,
 182         .list = capture_rates,
 183         .mask = 0
 184 };
 185
 186 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 187 {
 188         switch (rate) {
 189         case 8000:      return ADCCR_SAMPLERATE_8;
 190         case 11025:     return ADCCR_SAMPLERATE_11;
 191         case 16000:     return ADCCR_SAMPLERATE_16;
 192         case 22050:     return ADCCR_SAMPLERATE_22;
 193         case 24000:     return ADCCR_SAMPLERATE_24;
 194         case 32000:     return ADCCR_SAMPLERATE_32;
 195         case 44100:     return ADCCR_SAMPLERATE_44;
 196         case 48000:     return ADCCR_SAMPLERATE_48;
 197         default:
 198                         snd_BUG();
 199                         return ADCCR_SAMPLERATE_8;
 200         }
 201 }
 202
 203 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 204 {
 205         switch (rate) {
 206         case 8000:      return A_ADCCR_SAMPLERATE_8;
 207         case 11025:     return A_ADCCR_SAMPLERATE_11;
 208         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 209         case 16000:     return ADCCR_SAMPLERATE_16;
 210         case 22050:     return ADCCR_SAMPLERATE_22;
 211         case 24000:     return ADCCR_SAMPLERATE_24;
 212         case 32000:     return ADCCR_SAMPLERATE_32;
 213         case 44100:     return ADCCR_SAMPLERATE_44;
 214         case 48000:     return ADCCR_SAMPLERATE_48;
 215         default:
 216                         snd_BUG();
 217                         return A_ADCCR_SAMPLERATE_8;
 218         }
 219 }
 220
 221 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 222 {
 223         unsigned int pitch_target;
 224
 225         pitch_target = (rate << 8) / 375;
 226         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 227         return pitch_target;
 228 }
 229
 230 #define PITCH_48000 0x00004000
 231 #define PITCH_96000 0x00008000
 232 #define PITCH_85000 0x00007155
 233 #define PITCH_80726 0x00006ba2
 234 #define PITCH_67882 0x00005a82
 235 #define PITCH_57081 0x00004c1c
 236
 237 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 238 {
 239         if (pitch_target == PITCH_48000)
 240                 return CCCA_INTERPROM_0;
 241         else if (pitch_target < PITCH_48000)
 242                 return CCCA_INTERPROM_1;
 243         else if (pitch_target >= PITCH_96000)
 244                 return CCCA_INTERPROM_0;
 245         else if (pitch_target >= PITCH_85000)
 246                 return CCCA_INTERPROM_6;
 247         else if (pitch_target >= PITCH_80726)
 248                 return CCCA_INTERPROM_5;
 249         else if (pitch_target >= PITCH_67882)
 250                 return CCCA_INTERPROM_4;
 251         else if (pitch_target >= PITCH_57081)
 252                 return CCCA_INTERPROM_3;
 253         else
 254                 return CCCA_INTERPROM_2;
 255 }
 256
 257 /*
 258  * calculate cache invalidate size
 259  *
 260  * stereo: channel is stereo
 261  * w_16: using 16bit samples
 262  *
 263  * returns: cache invalidate size in samples
 264  */
 265 static inline int emu10k1_ccis(int stereo, int w_16)
 266 {
 267         if (w_16) {
 268                 return stereo ? 24 : 26;
 269         } else {
 270                 return stereo ? 24*2 : 26*2;
 271         }
 272 }
 273
 274 static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu,
 275                                        int master, int extra,
 276                                        emu10k1_voice_t *evoice,
 277                                        unsigned int start_addr,
 278                                        unsigned int end_addr,
 279                                        emu10k1_pcm_mixer_t *mix)
 280 {
 281         snd_pcm_substream_t *substream = evoice->epcm->substream;
 282         snd_pcm_runtime_t *runtime = substream->runtime;
 283         unsigned int silent_page, tmp;
 284         int voice, stereo, w_16;
 285         unsigned char attn, send_amount[8];
 286         unsigned char send_routing[8];
 287         unsigned long flags;
 288         unsigned int pitch_target;
 289         unsigned int ccis;
 290
 291         voice = evoice->number;
 292         stereo = runtime->channels == 2;
 293         w_16 = snd_pcm_format_width(runtime->format) == 16;
 294
 295         if (!extra && stereo) {
 296                 start_addr >>= 1;
 297                 end_addr >>= 1;
 298         }
 299         if (w_16) {
 300                 start_addr >>= 1;
 301                 end_addr >>= 1;
 302         }
 303
 304         spin_lock_irqsave(&emu->reg_lock, flags);
 305
 306         /* volume parameters */
 307         if (extra) {
 308                 attn = 0;
 309                 memset(send_routing, 0, sizeof(send_routing));
 310                 send_routing[0] = 0;
 311                 send_routing[1] = 1;
 312                 send_routing[2] = 2;
 313                 send_routing[3] = 3;
 314                 memset(send_amount, 0, sizeof(send_amount));
 315         } else {
 316                 /* mono, left, right (master voice = left) */
 317                 tmp = stereo ? (master ? 1 : 2) : 0;
 318                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 319                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 320         }
 321
 322         ccis = emu10k1_ccis(stereo, w_16);
 323
 324         if (master) {
 325                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 326                 if (extra) {
 327                         start_addr += ccis;
 328                         end_addr += ccis;
 329                 }
 330                 if (stereo && !extra) {
 331                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 332                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 333                 } else {
 334                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 335                 }
 336         }
 337
 338         // setup routing
 339         if (emu->audigy) {
 340                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 341                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
 342                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 343                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
 344                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 345                                       ((unsigned int)send_amount[4] << 24) |
 346                                       ((unsigned int)send_amount[5] << 16) |
 347                                       ((unsigned int)send_amount[6] << 8) |
 348                                       (unsigned int)send_amount[7]);
 349         } else
 350                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 351                                       snd_emu10k1_compose_send_routing(send_routing));
 352         // Stop CA
 353         // Assumption that PT is already 0 so no harm overwriting
 354         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 355         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 356         snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
 357         pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 358         if (extra)
 359                 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr |
 360                               emu10k1_select_interprom(pitch_target) |
 361                               (w_16 ? 0 : CCCA_8BITSELECT));
 362         else
 363                 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) |
 364                               emu10k1_select_interprom(pitch_target) |
 365                               (w_16 ? 0 : CCCA_8BITSELECT));
 366         // Clear filter delay memory
 367         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 368         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 369         // invalidate maps
 370         silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
 371         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 372         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 373         // modulation envelope
 374         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 375         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 376         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 377         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 378         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 379         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 380         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 381         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 382         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 383         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 384         // volume envelope
 385         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 386         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 387         // filter envelope
 388         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 389         // pitch envelope
 390         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 391
 392         spin_unlock_irqrestore(&emu->reg_lock, flags);
 393 }
 394
 395 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream,
 396                                           snd_pcm_hw_params_t * hw_params)
 397 {
 398         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 399         snd_pcm_runtime_t *runtime = substream->runtime;
 400         emu10k1_pcm_t *epcm = runtime->private_data;
 401         int err;
 402
 403         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 404                 return err;
 405         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
 406                 return err;
 407         if (err > 0) {  /* change */
 408                 int mapped;
 409                 if (epcm->memblk != NULL)
 410                         snd_emu10k1_free_pages(emu, epcm->memblk);
 411                 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream);
 412                 epcm->start_addr = 0;
 413                 if (! epcm->memblk)
 414                         return -ENOMEM;
 415                 mapped = ((emu10k1_memblk_t *)epcm->memblk)->mapped_page;
 416                 if (mapped < 0)
 417                         return -ENOMEM;
 418                 epcm->start_addr = mapped << PAGE_SHIFT;
 419         }
 420         return 0;
 421 }
 422
 423 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
 424 {
 425         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 426         snd_pcm_runtime_t *runtime = substream->runtime;
 427         emu10k1_pcm_t *epcm;
 428
 429         if (runtime->private_data == NULL)
 430                 return 0;
 431         epcm = runtime->private_data;
 432         if (epcm->extra) {
 433                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 434                 epcm->extra = NULL;
 435         }
 436         if (epcm->voices[1]) {
 437                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 438                 epcm->voices[1] = NULL;
 439         }
 440         if (epcm->voices[0]) {
 441                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 442                 epcm->voices[0] = NULL;
 443         }
 444         if (epcm->memblk) {
 445                 snd_emu10k1_free_pages(emu, epcm->memblk);
 446                 epcm->memblk = NULL;
 447                 epcm->start_addr = 0;
 448         }
 449         snd_pcm_lib_free_pages(substream);
 450         return 0;
 451 }
 452
 453 static int snd_emu10k1_efx_playback_hw_free(snd_pcm_substream_t * substream)
 454 {
 455         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 456         snd_pcm_runtime_t *runtime = substream->runtime;
 457         emu10k1_pcm_t *epcm;
 458         int i;
 459
 460         if (runtime->private_data == NULL)
 461                 return 0;
 462         epcm = runtime->private_data;
 463         if (epcm->extra) {
 464                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 465                 epcm->extra = NULL;
 466         }
 467         for (i=0; i < NUM_EFX_PLAYBACK; i++) {
 468                 if (epcm->voices[i]) {
 469                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 470                         epcm->voices[i] = NULL;
 471                 }
 472         }
 473         if (epcm->memblk) {
 474                 snd_emu10k1_free_pages(emu, epcm->memblk);
 475                 epcm->memblk = NULL;
 476                 epcm->start_addr = 0;
 477         }
 478         snd_pcm_lib_free_pages(substream);
 479         return 0;
 480 }
 481
 482 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
 483 {
 484         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 485         snd_pcm_runtime_t *runtime = substream->runtime;
 486         emu10k1_pcm_t *epcm = runtime->private_data;
 487         unsigned int start_addr, end_addr;
 488
 489         start_addr = epcm->start_addr;
 490         end_addr = snd_pcm_lib_period_bytes(substream);
 491         if (runtime->channels == 2) {
 492                 start_addr >>= 1;
 493                 end_addr >>= 1;
 494         }
 495         end_addr += start_addr;
 496         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 497                                    start_addr, end_addr, NULL);
 498         start_addr = epcm->start_addr;
 499         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 500         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 501                                    start_addr, end_addr,
 502                                    &emu->pcm_mixer[substream->number]);
 503         if (epcm->voices[1])
 504                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 505                                            start_addr, end_addr,
 506                                            &emu->pcm_mixer[substream->number]);
 507         return 0;
 508 }
 509
 510 static int snd_emu10k1_efx_playback_prepare(snd_pcm_substream_t * substream)
 511 {
 512         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 513         snd_pcm_runtime_t *runtime = substream->runtime;
 514         emu10k1_pcm_t *epcm = runtime->private_data;
 515         unsigned int start_addr, end_addr;
 516         unsigned int channel_size;
 517         int i;
 518
 519         start_addr = epcm->start_addr;
 520         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 521
 522         /*
 523          * the kX driver leaves some space between voices
 524          */
 525         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 526
 527         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 528                                    start_addr, start_addr + (channel_size / 2), NULL);
 529
 530         /* only difference with the master voice is we use it for the pointer */
 531         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 532                                    start_addr, start_addr + channel_size,
 533                                    &emu->efx_pcm_mixer[0]);
 534
 535         start_addr += channel_size;
 536         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 537                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 538                                            start_addr, start_addr + channel_size,
 539                                            &emu->efx_pcm_mixer[i]);
 540                 start_addr += channel_size;
 541         }
 542
 543         return 0;
 544 }
 545
 546 static snd_pcm_hardware_t snd_emu10k1_efx_playback =
 547 {
 548         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 549                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 550                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 551         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 552         .rates =                SNDRV_PCM_RATE_48000,
 553         .rate_min =             48000,
 554         .rate_max =             48000,
 555         .channels_min =         NUM_EFX_PLAYBACK,
 556         .channels_max =         NUM_EFX_PLAYBACK,
 557         .buffer_bytes_max =     (64*1024),
 558         .period_bytes_min =     64,
 559         .period_bytes_max =     (64*1024),
 560         .periods_min =          2,
 561         .periods_max =          2,
 562         .fifo_size =            0,
 563 };
 564
 565 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
 566                                          snd_pcm_hw_params_t * hw_params)
 567 {
 568         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 569 }
 570
 571 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
 572 {
 573         return snd_pcm_lib_free_pages(substream);
 574 }
 575
 576 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
 577 {
 578         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 579         snd_pcm_runtime_t *runtime = substream->runtime;
 580         emu10k1_pcm_t *epcm = runtime->private_data;
 581         int idx;
 582
 583         /* zeroing the buffer size will stop capture */
 584         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 585         switch (epcm->type) {
 586         case CAPTURE_AC97ADC:
 587                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 588                 break;
 589         case CAPTURE_EFX:
 590                 if (emu->audigy) {
 591                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 592                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 593                 } else
 594                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 595                 break;
 596         default:
 597                 break;
 598         }
 599         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 600         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 601         epcm->capture_bs_val = 0;
 602         for (idx = 0; idx < 31; idx++) {
 603                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 604                         epcm->capture_bs_val = idx + 1;
 605                         break;
 606                 }
 607         }
 608         if (epcm->capture_bs_val == 0) {
 609                 snd_BUG();
 610                 epcm->capture_bs_val++;
 611         }
 612         if (epcm->type == CAPTURE_AC97ADC) {
 613                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 614                 if (runtime->channels > 1)
 615                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 616                 epcm->capture_cr_val |= emu->audigy ?
 617                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 618                         snd_emu10k1_capture_rate_reg(runtime->rate);
 619         }
 620         return 0;
 621 }
 622
 623 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, int extra, emu10k1_voice_t *evoice)
 624 {
 625         snd_pcm_runtime_t *runtime;
 626         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 627
 628         if (evoice == NULL)
 629                 return;
 630         runtime = evoice->epcm->substream->runtime;
 631         voice = evoice->number;
 632         stereo = (!extra && runtime->channels == 2);
 633         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 634         ccis = emu10k1_ccis(stereo, sample == 0);
 635         // set cs to 2 * number of cache registers beside the invalidated
 636         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 637         if (cs > 16) cs = 16;
 638         for (i = 0; i < cs; i++) {
 639                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 640                 if (stereo) {
 641                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 642                 }
 643         }
 644         // reset cache
 645         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 646         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 647         if (stereo) {
 648                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 649                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 650         }
 651         // fill cache
 652         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 653         if (stereo) {
 654                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 655         }
 656 }
 657
 658 static void snd_emu10k1_playback_prepare_voice(emu10k1_t *emu, emu10k1_voice_t *evoice,
 659                                                int master, int extra,
 660                                                emu10k1_pcm_mixer_t *mix)
 661 {
 662         snd_pcm_substream_t *substream;
 663         snd_pcm_runtime_t *runtime;
 664         unsigned int attn, vattn;
 665         unsigned int voice, tmp;
 666
 667         if (evoice == NULL)     /* skip second voice for mono */
 668                 return;
 669         substream = evoice->epcm->substream;
 670         runtime = substream->runtime;
 671         voice = evoice->number;
 672
 673         attn = extra ? 0 : 0x00ff;
 674         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 675         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 676         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 677         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 678         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 679         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 680         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 681 }
 682
 683 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
 684 {
 685         snd_pcm_substream_t *substream;
 686         snd_pcm_runtime_t *runtime;
 687         unsigned int voice, pitch, pitch_target;
 688
 689         if (evoice == NULL)     /* skip second voice for mono */
 690                 return;
 691         substream = evoice->epcm->substream;
 692         runtime = substream->runtime;
 693         voice = evoice->number;
 694
 695         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 696         pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 697         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 698         if (master || evoice->epcm->type == PLAYBACK_EFX)
 699                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 700         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 701         if (extra)
 702                 snd_emu10k1_voice_intr_enable(emu, voice);
 703 }
 704
 705 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
 706 {
 707         unsigned int voice;
 708
 709         if (evoice == NULL)
 710                 return;
 711         voice = evoice->number;
 712         snd_emu10k1_voice_intr_disable(emu, voice);
 713         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 714         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 715         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 716         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 717         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 718         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 719 }
 720
 721 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
 722                                         int cmd)
 723 {
 724         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 725         snd_pcm_runtime_t *runtime = substream->runtime;
 726         emu10k1_pcm_t *epcm = runtime->private_data;
 727         emu10k1_pcm_mixer_t *mix;
 728         int result = 0;
 729
 730         // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
 731         spin_lock(&emu->reg_lock);
 732         switch (cmd) {
 733         case SNDRV_PCM_TRIGGER_START:
 734                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 735                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 736                 /* follow thru */
 737         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 738                 mix = &emu->pcm_mixer[substream->number];
 739                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 740                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 741                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 742                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 743                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 744                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 745                 epcm->running = 1;
 746                 break;
 747         case SNDRV_PCM_TRIGGER_STOP:
 748         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 749                 epcm->running = 0;
 750                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 751                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 752                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 753                 break;
 754         default:
 755                 result = -EINVAL;
 756                 break;
 757         }
 758         spin_unlock(&emu->reg_lock);
 759         return result;
 760 }
 761
 762 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
 763                                        int cmd)
 764 {
 765         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 766         snd_pcm_runtime_t *runtime = substream->runtime;
 767         emu10k1_pcm_t *epcm = runtime->private_data;
 768         int result = 0;
 769
 770         spin_lock(&emu->reg_lock);
 771         switch (cmd) {
 772         case SNDRV_PCM_TRIGGER_START:
 773                 // hmm this should cause full and half full interrupt to be raised?
 774                 outl(epcm->capture_ipr, emu->port + IPR);
 775                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 776                 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
 777                 switch (epcm->type) {
 778                 case CAPTURE_AC97ADC:
 779                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 780                         break;
 781                 case CAPTURE_EFX:
 782                         if (emu->audigy) {
 783                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 784                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 785                         } else
 786                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 787                         break;
 788                 default:
 789                         break;
 790                 }
 791                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 792                 epcm->running = 1;
 793                 epcm->first_ptr = 1;
 794                 break;
 795         case SNDRV_PCM_TRIGGER_STOP:
 796                 epcm->running = 0;
 797                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 798                 outl(epcm->capture_ipr, emu->port + IPR);
 799                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 800                 switch (epcm->type) {
 801                 case CAPTURE_AC97ADC:
 802                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 803                         break;
 804                 case CAPTURE_EFX:
 805                         if (emu->audigy) {
 806                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 807                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 808                         } else
 809                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 810                         break;
 811                 default:
 812                         break;
 813                 }
 814                 break;
 815         default:
 816                 result = -EINVAL;
 817         }
 818         spin_unlock(&emu->reg_lock);
 819         return result;
 820 }
 821
 822 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
 823 {
 824         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 825         snd_pcm_runtime_t *runtime = substream->runtime;
 826         emu10k1_pcm_t *epcm = runtime->private_data;
 827         unsigned int ptr;
 828
 829         if (!epcm->running)
 830                 return 0;
 831         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 832 #if 0   /* Perex's code */
 833         ptr += runtime->buffer_size;
 834         ptr -= epcm->ccca_start_addr;
 835         ptr %= runtime->buffer_size;
 836 #else   /* EMU10K1 Open Source code from Creative */
 837         if (ptr < epcm->ccca_start_addr)
 838                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 839         else {
 840                 ptr -= epcm->ccca_start_addr;
 841                 if (ptr >= runtime->buffer_size)
 842                         ptr -= runtime->buffer_size;
 843         }
 844 #endif
 845         // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
 846         return ptr;
 847 }
 848
 849
 850 static int snd_emu10k1_efx_playback_trigger(snd_pcm_substream_t * substream,
 851                                         int cmd)
 852 {
 853         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 854         snd_pcm_runtime_t *runtime = substream->runtime;
 855         emu10k1_pcm_t *epcm = runtime->private_data;
 856         int i;
 857         int result = 0;
 858
 859         spin_lock(&emu->reg_lock);
 860         switch (cmd) {
 861         case SNDRV_PCM_TRIGGER_START:
 862                 // prepare voices
 863                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 864                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 865                 }
 866                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 867
 868                 /* follow thru */
 869         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 870                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 871                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 872                                                    &emu->efx_pcm_mixer[0]);
 873                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 874                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 875                                                            &emu->efx_pcm_mixer[i]);
 876                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 877                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 878                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 879                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 880                 epcm->running = 1;
 881                 break;
 882         case SNDRV_PCM_TRIGGER_STOP:
 883         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 884                 epcm->running = 0;
 885                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 886                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 887                 }
 888                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 889                 break;
 890         default:
 891                 result = -EINVAL;
 892                 break;
 893         }
 894         spin_unlock(&emu->reg_lock);
 895         return result;
 896 }
 897
 898
 899 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
 900 {
 901         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 902         snd_pcm_runtime_t *runtime = substream->runtime;
 903         emu10k1_pcm_t *epcm = runtime->private_data;
 904         unsigned int ptr;
 905
 906         if (!epcm->running)
 907                 return 0;
 908         if (epcm->first_ptr) {
 909                 udelay(50);     // hack, it takes awhile until capture is started
 910                 epcm->first_ptr = 0;
 911         }
 912         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 913         return bytes_to_frames(runtime, ptr);
 914 }
 915
 916 /*
 917  *  Playback support device description
 918  */
 919
 920 static snd_pcm_hardware_t snd_emu10k1_playback =
 921 {
 922         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 923                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 924                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 925         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 926         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 927         .rate_min =             4000,
 928         .rate_max =             96000,
 929         .channels_min =         1,
 930         .channels_max =         2,
 931         .buffer_bytes_max =     (128*1024),
 932         .period_bytes_min =     64,
 933         .period_bytes_max =     (128*1024),
 934         .periods_min =          1,
 935         .periods_max =          1024,
 936         .fifo_size =            0,
 937 };
 938
 939 /*
 940  *  Capture support device description
 941  */
 942
 943 static snd_pcm_hardware_t snd_emu10k1_capture =
 944 {
 945         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 946                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 947                                  SNDRV_PCM_INFO_MMAP_VALID),
 948         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 949         .rates =                SNDRV_PCM_RATE_8000_48000,
 950         .rate_min =             8000,
 951         .rate_max =             48000,
 952         .channels_min =         1,
 953         .channels_max =         2,
 954         .buffer_bytes_max =     (64*1024),
 955         .period_bytes_min =     384,
 956         .period_bytes_max =     (64*1024),
 957         .periods_min =          2,
 958         .periods_max =          2,
 959         .fifo_size =            0,
 960 };
 961
 962 /*
 963  *
 964  */
 965
 966 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
 967 {
 968         snd_ctl_elem_id_t id;
 969
 970         if (! kctl)
 971                 return;
 972         if (activate)
 973                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 974         else
 975                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 976         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
 977                        SNDRV_CTL_EVENT_MASK_INFO,
 978                        snd_ctl_build_ioff(&id, kctl, idx));
 979 }
 980
 981 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
 982 {
 983         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
 984         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
 985         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
 986 }
 987
 988 static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activate)
 989 {
 990         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
 991         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
 992         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
 993 }
 994
 995 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
 996 {
 997         kfree(runtime->private_data);
 998 }
 999
1000 static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream)
1001 {
1002         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1003         emu10k1_pcm_mixer_t *mix;
1004         int i;
1005
1006         for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1007                 mix = &emu->efx_pcm_mixer[i];
1008                 mix->epcm = NULL;
1009                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1010         }
1011         return 0;
1012 }
1013
1014 static int snd_emu10k1_efx_playback_open(snd_pcm_substream_t * substream)
1015 {
1016         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1017         emu10k1_pcm_t *epcm;
1018         emu10k1_pcm_mixer_t *mix;
1019         snd_pcm_runtime_t *runtime = substream->runtime;
1020         int i;
1021
1022         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1023         if (epcm == NULL)
1024                 return -ENOMEM;
1025         epcm->emu = emu;
1026         epcm->type = PLAYBACK_EFX;
1027         epcm->substream = substream;
1028
1029         emu->pcm_playback_efx_substream = substream;
1030
1031         runtime->private_data = epcm;
1032         runtime->private_free = snd_emu10k1_pcm_free_substream;
1033         runtime->hw = snd_emu10k1_efx_playback;
1034
1035         for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1036                 mix = &emu->efx_pcm_mixer[i];
1037                 mix->send_routing[0][0] = i;
1038                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1039                 mix->send_volume[0][0] = 255;
1040                 mix->attn[0] = 0xffff;
1041                 mix->epcm = epcm;
1042                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1043         }
1044         return 0;
1045 }
1046
1047 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
1048 {
1049         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1050         emu10k1_pcm_t *epcm;
1051         emu10k1_pcm_mixer_t *mix;
1052         snd_pcm_runtime_t *runtime = substream->runtime;
1053         int i, err;
1054
1055         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1056         if (epcm == NULL)
1057                 return -ENOMEM;
1058         epcm->emu = emu;
1059         epcm->type = PLAYBACK_EMUVOICE;
1060         epcm->substream = substream;
1061         runtime->private_data = epcm;
1062         runtime->private_free = snd_emu10k1_pcm_free_substream;
1063         runtime->hw = snd_emu10k1_playback;
1064         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1065                 kfree(epcm);
1066                 return err;
1067         }
1068         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1069                 kfree(epcm);
1070                 return err;
1071         }
1072         mix = &emu->pcm_mixer[substream->number];
1073         for (i = 0; i < 4; i++)
1074                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1075         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1076         mix->send_volume[0][0] = mix->send_volume[0][1] =
1077         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1078         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1079         mix->epcm = epcm;
1080         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1081         return 0;
1082 }
1083
1084 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
1085 {
1086         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1087         emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
1088
1089         mix->epcm = NULL;
1090         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1091         return 0;
1092 }
1093
1094 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
1095 {
1096         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1097         snd_pcm_runtime_t *runtime = substream->runtime;
1098         emu10k1_pcm_t *epcm;
1099
1100         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1101         if (epcm == NULL)
1102                 return -ENOMEM;
1103         epcm->emu = emu;
1104         epcm->type = CAPTURE_AC97ADC;
1105         epcm->substream = substream;
1106         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1107         epcm->capture_inte = INTE_ADCBUFENABLE;
1108         epcm->capture_ba_reg = ADCBA;
1109         epcm->capture_bs_reg = ADCBS;
1110         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1111         runtime->private_data = epcm;
1112         runtime->private_free = snd_emu10k1_pcm_free_substream;
1113         runtime->hw = snd_emu10k1_capture;
1114         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1115         emu->pcm_capture_substream = substream;
1116         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1117         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1118         return 0;
1119 }
1120
1121 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
1122 {
1123         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1124
1125         emu->capture_interrupt = NULL;
1126         emu->pcm_capture_substream = NULL;
1127         return 0;
1128 }
1129
1130 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
1131 {
1132         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1133         emu10k1_pcm_t *epcm;
1134         snd_pcm_runtime_t *runtime = substream->runtime;
1135
1136         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1137         if (epcm == NULL)
1138                 return -ENOMEM;
1139         epcm->emu = emu;
1140         epcm->type = CAPTURE_AC97MIC;
1141         epcm->substream = substream;
1142         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1143         epcm->capture_inte = INTE_MICBUFENABLE;
1144         epcm->capture_ba_reg = MICBA;
1145         epcm->capture_bs_reg = MICBS;
1146         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1147         substream->runtime->private_data = epcm;
1148         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1149         runtime->hw = snd_emu10k1_capture;
1150         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1151         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1152         runtime->hw.channels_min = 1;
1153         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1154         emu->pcm_capture_mic_substream = substream;
1155         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1156         return 0;
1157 }
1158
1159 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
1160 {
1161         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1162
1163         emu->capture_interrupt = NULL;
1164         emu->pcm_capture_mic_substream = NULL;
1165         return 0;
1166 }
1167
1168 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
1169 {
1170         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1171         emu10k1_pcm_t *epcm;
1172         snd_pcm_runtime_t *runtime = substream->runtime;
1173         int nefx = emu->audigy ? 64 : 32;
1174         int idx;
1175
1176         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1177         if (epcm == NULL)
1178                 return -ENOMEM;
1179         epcm->emu = emu;
1180         epcm->type = CAPTURE_EFX;
1181         epcm->substream = substream;
1182         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1183         epcm->capture_inte = INTE_EFXBUFENABLE;
1184         epcm->capture_ba_reg = FXBA;
1185         epcm->capture_bs_reg = FXBS;
1186         epcm->capture_idx_reg = FXIDX;
1187         substream->runtime->private_data = epcm;
1188         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1189         runtime->hw = snd_emu10k1_capture;
1190         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1191         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1192         spin_lock_irq(&emu->reg_lock);
1193         runtime->hw.channels_min = runtime->hw.channels_max = 0;
1194         for (idx = 0; idx < nefx; idx++) {
1195                 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1196                         runtime->hw.channels_min++;
1197                         runtime->hw.channels_max++;
1198                 }
1199         }
1200         epcm->capture_cr_val = emu->efx_voices_mask[0];
1201         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1202         spin_unlock_irq(&emu->reg_lock);
1203         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1204         emu->pcm_capture_efx_substream = substream;
1205         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1206         return 0;
1207 }
1208
1209 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
1210 {
1211         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1212
1213         emu->capture_interrupt = NULL;
1214         emu->pcm_capture_efx_substream = NULL;
1215         return 0;
1216 }
1217
1218 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
1219         .open =                 snd_emu10k1_playback_open,
1220         .close =                snd_emu10k1_playback_close,
1221         .ioctl =                snd_pcm_lib_ioctl,
1222         .hw_params =            snd_emu10k1_playback_hw_params,
1223         .hw_free =              snd_emu10k1_playback_hw_free,
1224         .prepare =              snd_emu10k1_playback_prepare,
1225         .trigger =              snd_emu10k1_playback_trigger,
1226         .pointer =              snd_emu10k1_playback_pointer,
1227         .page =                 snd_pcm_sgbuf_ops_page,
1228 };
1229
1230 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
1231         .open =                 snd_emu10k1_capture_open,
1232         .close =                snd_emu10k1_capture_close,
1233         .ioctl =                snd_pcm_lib_ioctl,
1234         .hw_params =            snd_emu10k1_capture_hw_params,
1235         .hw_free =              snd_emu10k1_capture_hw_free,
1236         .prepare =              snd_emu10k1_capture_prepare,
1237         .trigger =              snd_emu10k1_capture_trigger,
1238         .pointer =              snd_emu10k1_capture_pointer,
1239 };
1240
1241 /* EFX playback */
1242 static snd_pcm_ops_t snd_emu10k1_efx_playback_ops = {
1243         .open =                 snd_emu10k1_efx_playback_open,
1244         .close =                snd_emu10k1_efx_playback_close,
1245         .ioctl =                snd_pcm_lib_ioctl,
1246         .hw_params =            snd_emu10k1_playback_hw_params,
1247         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1248         .prepare =              snd_emu10k1_efx_playback_prepare,
1249         .trigger =              snd_emu10k1_efx_playback_trigger,
1250         .pointer =              snd_emu10k1_efx_playback_pointer,
1251         .page =                 snd_pcm_sgbuf_ops_page,
1252 };
1253
1254 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1255 {
1256         snd_pcm_t *pcm;
1257         snd_pcm_substream_t *substream;
1258         int err;
1259
1260         if (rpcm)
1261                 *rpcm = NULL;
1262
1263         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1264                 return err;
1265
1266         pcm->private_data = emu;
1267
1268         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1269         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1270
1271         pcm->info_flags = 0;
1272         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1273         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1274         emu->pcm = pcm;
1275
1276         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1277                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1278                         return err;
1279
1280         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1281                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1282
1283         if (rpcm)
1284                 *rpcm = pcm;
1285
1286         return 0;
1287 }
1288
1289 int __devinit snd_emu10k1_pcm_multi(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1290 {
1291         snd_pcm_t *pcm;
1292         snd_pcm_substream_t *substream;
1293         int err;
1294
1295         if (rpcm)
1296                 *rpcm = NULL;
1297
1298         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1299                 return err;
1300
1301         pcm->private_data = emu;
1302
1303         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1304
1305         pcm->info_flags = 0;
1306         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1307         strcpy(pcm->name, "Multichannel Playback");
1308         emu->pcm = pcm;
1309
1310         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1311                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1312                         return err;
1313
1314         if (rpcm)
1315                 *rpcm = pcm;
1316
1317         return 0;
1318 }
1319
1320
1321 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1322         .open =                 snd_emu10k1_capture_mic_open,
1323         .close =                snd_emu10k1_capture_mic_close,
1324         .ioctl =                snd_pcm_lib_ioctl,
1325         .hw_params =            snd_emu10k1_capture_hw_params,
1326         .hw_free =              snd_emu10k1_capture_hw_free,
1327         .prepare =              snd_emu10k1_capture_prepare,
1328         .trigger =              snd_emu10k1_capture_trigger,
1329         .pointer =              snd_emu10k1_capture_pointer,
1330 };
1331
1332 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1333 {
1334         snd_pcm_t *pcm;
1335         int err;
1336
1337         if (rpcm)
1338                 *rpcm = NULL;
1339
1340         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1341                 return err;
1342
1343         pcm->private_data = emu;
1344
1345         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1346
1347         pcm->info_flags = 0;
1348         strcpy(pcm->name, "Mic Capture");
1349         emu->pcm_mic = pcm;
1350
1351         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1352
1353         if (rpcm)
1354                 *rpcm = pcm;
1355         return 0;
1356 }
1357
1358 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1359 {
1360         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1361         int nefx = emu->audigy ? 64 : 32;
1362         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1363         uinfo->count = nefx;
1364         uinfo->value.integer.min = 0;
1365         uinfo->value.integer.max = 1;
1366         return 0;
1367 }
1368
1369 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1370 {
1371         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1372         int nefx = emu->audigy ? 64 : 32;
1373         int idx;
1374
1375         spin_lock_irq(&emu->reg_lock);
1376         for (idx = 0; idx < nefx; idx++)
1377                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1378         spin_unlock_irq(&emu->reg_lock);
1379         return 0;
1380 }
1381
1382 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1383 {
1384         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1385         unsigned int nval[2], bits;
1386         int nefx = emu->audigy ? 64 : 32;
1387         int nefxb = emu->audigy ? 7 : 6;
1388         int change, idx;
1389
1390         nval[0] = nval[1] = 0;
1391         for (idx = 0, bits = 0; idx < nefx; idx++)
1392                 if (ucontrol->value.integer.value[idx]) {
1393                         nval[idx / 32] |= 1 << (idx % 32);
1394                         bits++;
1395                 }
1396
1397         for (idx = 0; idx < nefxb; idx++)
1398                 if (1 << idx == bits)
1399                         break;
1400
1401         if (idx >= nefxb)
1402                 return -EINVAL;
1403
1404         spin_lock_irq(&emu->reg_lock);
1405         change = (nval[0] != emu->efx_voices_mask[0]) ||
1406                 (nval[1] != emu->efx_voices_mask[1]);
1407         emu->efx_voices_mask[0] = nval[0];
1408         emu->efx_voices_mask[1] = nval[1];
1409         spin_unlock_irq(&emu->reg_lock);
1410         return change;
1411 }
1412
1413 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1414         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1415         .name = "Captured FX8010 Outputs",
1416         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1417         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1418         .put = snd_emu10k1_pcm_efx_voices_mask_put
1419 };
1420
1421 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1422         .open =                 snd_emu10k1_capture_efx_open,
1423         .close =                snd_emu10k1_capture_efx_close,
1424         .ioctl =                snd_pcm_lib_ioctl,
1425         .hw_params =            snd_emu10k1_capture_hw_params,
1426         .hw_free =              snd_emu10k1_capture_hw_free,
1427         .prepare =              snd_emu10k1_capture_prepare,
1428         .trigger =              snd_emu10k1_capture_trigger,
1429         .pointer =              snd_emu10k1_capture_pointer,
1430 };
1431
1432
1433 /* EFX playback */
1434
1435 #define INITIAL_TRAM_SHIFT     14
1436 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1437
1438 static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data)
1439 {
1440         snd_pcm_substream_t *substream = private_data;
1441         snd_pcm_period_elapsed(substream);
1442 }
1443
1444 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1445                                                    unsigned short *dst_right,
1446                                                    unsigned short *src,
1447                                                    unsigned int count,
1448                                                    unsigned int tram_shift)
1449 {
1450         // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1451         if ((tram_shift & 1) == 0) {
1452                 while (count--) {
1453                         *dst_left-- = *src++;
1454                         *dst_right-- = *src++;
1455                 }
1456         } else {
1457                 while (count--) {
1458                         *dst_right-- = *src++;
1459                         *dst_left-- = *src++;
1460                 }
1461         }
1462 }
1463
1464 static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream,
1465                                  snd_pcm_indirect_t *rec, size_t bytes)
1466 {
1467         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1468         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1469         unsigned int tram_size = pcm->buffer_size;
1470         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1471         unsigned int frames = bytes >> 2, count;
1472         unsigned int tram_pos = pcm->tram_pos;
1473         unsigned int tram_shift = pcm->tram_shift;
1474
1475         while (frames > tram_pos) {
1476                 count = tram_pos + 1;
1477                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1478                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1479                                                        src, count, tram_shift);
1480                 src += count * 2;
1481                 frames -= count;
1482                 tram_pos = (tram_size / 2) - 1;
1483                 tram_shift++;
1484         }
1485         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1486                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1487                                                src, frames, tram_shift);
1488         tram_pos -= frames;
1489         pcm->tram_pos = tram_pos;
1490         pcm->tram_shift = tram_shift;
1491 }
1492
1493 static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream)
1494 {
1495         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1496         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1497
1498         snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1499         return 0;
1500 }
1501
1502 static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream,
1503                                                  snd_pcm_hw_params_t * hw_params)
1504 {
1505         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1506 }
1507
1508 static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream)
1509 {
1510         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1511         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1512         unsigned int i;
1513
1514         for (i = 0; i < pcm->channels; i++)
1515                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1516         snd_pcm_lib_free_pages(substream);
1517         return 0;
1518 }
1519
1520 static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream)
1521 {
1522         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1523         snd_pcm_runtime_t *runtime = substream->runtime;
1524         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1525         unsigned int i;
1526
1527         // printk("prepare: etram_pages = 0x%p, dma_area = 0x%x, buffer_size = 0x%x (0x%x)\n", emu->fx8010.etram_pages, runtime->dma_area, runtime->buffer_size, runtime->buffer_size << 2);
1528         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1529         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1530         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1531         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1532         pcm->tram_shift = 0;
1533         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1534         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1535         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1536         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1537         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1538         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1539         for (i = 0; i < pcm->channels; i++)
1540                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1541         return 0;
1542 }
1543
1544 static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd)
1545 {
1546         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1547         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1548         int result = 0;
1549
1550         spin_lock(&emu->reg_lock);
1551         switch (cmd) {
1552         case SNDRV_PCM_TRIGGER_START:
1553                 /* follow thru */
1554         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1555 #ifdef EMU10K1_SET_AC3_IEC958
1556         {
1557                 int i;
1558                 for (i = 0; i < 3; i++) {
1559                         unsigned int bits;
1560                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1561                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1562                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1563                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1564                 }
1565         }
1566 #endif
1567                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1568                 if (result < 0)
1569                         goto __err;
1570                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1571                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1572                 break;
1573         case SNDRV_PCM_TRIGGER_STOP:
1574         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1575                 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1576                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1577                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1578                 pcm->tram_shift = 0;
1579                 break;
1580         default:
1581                 result = -EINVAL;
1582                 break;
1583         }
1584       __err:
1585         spin_unlock(&emu->reg_lock);
1586         return result;
1587 }
1588
1589 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream)
1590 {
1591         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1592         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1593         size_t ptr; /* byte pointer */
1594
1595         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1596                 return 0;
1597         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1598         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1599 }
1600
1601 static snd_pcm_hardware_t snd_emu10k1_fx8010_playback =
1602 {
1603         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1604                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1605         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1606         .rates =                SNDRV_PCM_RATE_48000,
1607         .rate_min =             48000,
1608         .rate_max =             48000,
1609         .channels_min =         1,
1610         .channels_max =         1,
1611         .buffer_bytes_max =     (128*1024),
1612         .period_bytes_min =     1024,
1613         .period_bytes_max =     (128*1024),
1614         .periods_min =          1,
1615         .periods_max =          1024,
1616         .fifo_size =            0,
1617 };
1618
1619 static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream)
1620 {
1621         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1622         snd_pcm_runtime_t *runtime = substream->runtime;
1623         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1624
1625         runtime->hw = snd_emu10k1_fx8010_playback;
1626         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1627         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1628         spin_lock_irq(&emu->reg_lock);
1629         if (pcm->valid == 0) {
1630                 spin_unlock_irq(&emu->reg_lock);
1631                 return -ENODEV;
1632         }
1633         pcm->opened = 1;
1634         spin_unlock_irq(&emu->reg_lock);
1635         return 0;
1636 }
1637
1638 static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream)
1639 {
1640         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1641         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1642
1643         spin_lock_irq(&emu->reg_lock);
1644         pcm->opened = 0;
1645         spin_unlock_irq(&emu->reg_lock);
1646         return 0;
1647 }
1648
1649 static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = {
1650         .open =                 snd_emu10k1_fx8010_playback_open,
1651         .close =                snd_emu10k1_fx8010_playback_close,
1652         .ioctl =                snd_pcm_lib_ioctl,
1653         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1654         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1655         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1656         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1657         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1658         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1659 };
1660
1661 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1662 {
1663         snd_pcm_t *pcm;
1664         snd_kcontrol_t *kctl;
1665         int err;
1666
1667         if (rpcm)
1668                 *rpcm = NULL;
1669
1670         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1671                 return err;
1672
1673         pcm->private_data = emu;
1674
1675         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1676         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1677
1678         pcm->info_flags = 0;
1679         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1680         emu->pcm_efx = pcm;
1681         if (rpcm)
1682                 *rpcm = pcm;
1683
1684         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1685          * to these
1686          */
1687
1688         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1689         if (emu->audigy) {
1690                 emu->efx_voices_mask[0] = 0;
1691                 emu->efx_voices_mask[1] = 0xffff;
1692         } else {
1693                 emu->efx_voices_mask[0] = 0xffff0000;
1694                 emu->efx_voices_mask[1] = 0;
1695         }
1696         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1697         if (!kctl)
1698                 return -ENOMEM;
1699         kctl->id.device = device;
1700         snd_ctl_add(emu->card, kctl);
1701
1702         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1703
1704         return 0;
1705 }