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                 snd_util_memblk_t *memblk;
 409                 if (epcm->memblk != NULL)
 410                         snd_emu10k1_free_pages(emu, epcm->memblk);
 411                 memblk = snd_emu10k1_alloc_pages(emu, substream);
 412                 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) {
 413                         epcm->start_addr = 0;
 414                         return -ENOMEM;
 415                 }
 416                 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT;
 417         }
 418         return 0;
 419 }
 420
 421 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
 422 {
 423         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 424         snd_pcm_runtime_t *runtime = substream->runtime;
 425         emu10k1_pcm_t *epcm;
 426
 427         if (runtime->private_data == NULL)
 428                 return 0;
 429         epcm = runtime->private_data;
 430         if (epcm->extra) {
 431                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 432                 epcm->extra = NULL;
 433         }
 434         if (epcm->voices[1]) {
 435                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 436                 epcm->voices[1] = NULL;
 437         }
 438         if (epcm->voices[0]) {
 439                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 440                 epcm->voices[0] = NULL;
 441         }
 442         if (epcm->memblk) {
 443                 snd_emu10k1_free_pages(emu, epcm->memblk);
 444                 epcm->memblk = NULL;
 445                 epcm->start_addr = 0;
 446         }
 447         snd_pcm_lib_free_pages(substream);
 448         return 0;
 449 }
 450
 451 static int snd_emu10k1_efx_playback_hw_free(snd_pcm_substream_t * substream)
 452 {
 453         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 454         snd_pcm_runtime_t *runtime = substream->runtime;
 455         emu10k1_pcm_t *epcm;
 456         int i;
 457
 458         if (runtime->private_data == NULL)
 459                 return 0;
 460         epcm = runtime->private_data;
 461         if (epcm->extra) {
 462                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 463                 epcm->extra = NULL;
 464         }
 465         for (i=0; i < NUM_EFX_PLAYBACK; i++) {
 466                 if (epcm->voices[i]) {
 467                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]);
 468                         epcm->voices[i] = NULL;
 469                 }
 470         }
 471         if (epcm->memblk) {
 472                 snd_emu10k1_free_pages(emu, epcm->memblk);
 473                 epcm->memblk = NULL;
 474                 epcm->start_addr = 0;
 475         }
 476         snd_pcm_lib_free_pages(substream);
 477         return 0;
 478 }
 479
 480 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
 481 {
 482         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 483         snd_pcm_runtime_t *runtime = substream->runtime;
 484         emu10k1_pcm_t *epcm = runtime->private_data;
 485         unsigned int start_addr, end_addr;
 486
 487         start_addr = epcm->start_addr;
 488         end_addr = snd_pcm_lib_period_bytes(substream);
 489         if (runtime->channels == 2) {
 490                 start_addr >>= 1;
 491                 end_addr >>= 1;
 492         }
 493         end_addr += start_addr;
 494         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 495                                    start_addr, end_addr, NULL);
 496         start_addr = epcm->start_addr;
 497         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 498         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 499                                    start_addr, end_addr,
 500                                    &emu->pcm_mixer[substream->number]);
 501         if (epcm->voices[1])
 502                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 503                                            start_addr, end_addr,
 504                                            &emu->pcm_mixer[substream->number]);
 505         return 0;
 506 }
 507
 508 static int snd_emu10k1_efx_playback_prepare(snd_pcm_substream_t * substream)
 509 {
 510         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 511         snd_pcm_runtime_t *runtime = substream->runtime;
 512         emu10k1_pcm_t *epcm = runtime->private_data;
 513         unsigned int start_addr, end_addr;
 514         unsigned int channel_size;
 515         int i;
 516
 517         start_addr = epcm->start_addr;
 518         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 519
 520         /*
 521          * the kX driver leaves some space between voices
 522          */
 523         channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK;
 524
 525         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 526                                    start_addr, start_addr + (channel_size / 2), NULL);
 527
 528         /* only difference with the master voice is we use it for the pointer */
 529         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 530                                    start_addr, start_addr + channel_size,
 531                                    &emu->efx_pcm_mixer[0]);
 532
 533         start_addr += channel_size;
 534         for (i = 1; i < NUM_EFX_PLAYBACK; i++) {
 535                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i],
 536                                            start_addr, start_addr + channel_size,
 537                                            &emu->efx_pcm_mixer[i]);
 538                 start_addr += channel_size;
 539         }
 540
 541         return 0;
 542 }
 543
 544 static snd_pcm_hardware_t snd_emu10k1_efx_playback =
 545 {
 546         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 547                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 548                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 549         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 550         .rates =                SNDRV_PCM_RATE_48000,
 551         .rate_min =             48000,
 552         .rate_max =             48000,
 553         .channels_min =         NUM_EFX_PLAYBACK,
 554         .channels_max =         NUM_EFX_PLAYBACK,
 555         .buffer_bytes_max =     (64*1024),
 556         .period_bytes_min =     64,
 557         .period_bytes_max =     (64*1024),
 558         .periods_min =          2,
 559         .periods_max =          2,
 560         .fifo_size =            0,
 561 };
 562
 563 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
 564                                          snd_pcm_hw_params_t * hw_params)
 565 {
 566         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 567 }
 568
 569 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
 570 {
 571         return snd_pcm_lib_free_pages(substream);
 572 }
 573
 574 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
 575 {
 576         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 577         snd_pcm_runtime_t *runtime = substream->runtime;
 578         emu10k1_pcm_t *epcm = runtime->private_data;
 579         int idx;
 580
 581         /* zeroing the buffer size will stop capture */
 582         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 583         switch (epcm->type) {
 584         case CAPTURE_AC97ADC:
 585                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 586                 break;
 587         case CAPTURE_EFX:
 588                 if (emu->audigy) {
 589                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 590                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 591                 } else
 592                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 593                 break;
 594         default:
 595                 break;
 596         }
 597         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 598         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 599         epcm->capture_bs_val = 0;
 600         for (idx = 0; idx < 31; idx++) {
 601                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 602                         epcm->capture_bs_val = idx + 1;
 603                         break;
 604                 }
 605         }
 606         if (epcm->capture_bs_val == 0) {
 607                 snd_BUG();
 608                 epcm->capture_bs_val++;
 609         }
 610         if (epcm->type == CAPTURE_AC97ADC) {
 611                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 612                 if (runtime->channels > 1)
 613                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 614                 epcm->capture_cr_val |= emu->audigy ?
 615                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 616                         snd_emu10k1_capture_rate_reg(runtime->rate);
 617         }
 618         return 0;
 619 }
 620
 621 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, int extra, emu10k1_voice_t *evoice)
 622 {
 623         snd_pcm_runtime_t *runtime;
 624         unsigned int voice, stereo, i, ccis, cra = 64, cs, sample;
 625
 626         if (evoice == NULL)
 627                 return;
 628         runtime = evoice->epcm->substream->runtime;
 629         voice = evoice->number;
 630         stereo = (!extra && runtime->channels == 2);
 631         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 632         ccis = emu10k1_ccis(stereo, sample == 0);
 633         // set cs to 2 * number of cache registers beside the invalidated
 634         cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1;
 635         if (cs > 16) cs = 16;
 636         for (i = 0; i < cs; i++) {
 637                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 638                 if (stereo) {
 639                         snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample);
 640                 }
 641         }
 642         // reset cache
 643         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 644         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 645         if (stereo) {
 646                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 647                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 648         }
 649         // fill cache
 650         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 651         if (stereo) {
 652                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis);
 653         }
 654 }
 655
 656 static void snd_emu10k1_playback_prepare_voice(emu10k1_t *emu, emu10k1_voice_t *evoice,
 657                                                int master, int extra,
 658                                                emu10k1_pcm_mixer_t *mix)
 659 {
 660         snd_pcm_substream_t *substream;
 661         snd_pcm_runtime_t *runtime;
 662         unsigned int attn, vattn;
 663         unsigned int voice, tmp;
 664
 665         if (evoice == NULL)     /* skip second voice for mono */
 666                 return;
 667         substream = evoice->epcm->substream;
 668         runtime = substream->runtime;
 669         voice = evoice->number;
 670
 671         attn = extra ? 0 : 0x00ff;
 672         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 673         vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0;
 674         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 675         snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff);
 676         snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff);
 677         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 678         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 679 }
 680
 681 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
 682 {
 683         snd_pcm_substream_t *substream;
 684         snd_pcm_runtime_t *runtime;
 685         unsigned int voice, pitch, pitch_target;
 686
 687         if (evoice == NULL)     /* skip second voice for mono */
 688                 return;
 689         substream = evoice->epcm->substream;
 690         runtime = substream->runtime;
 691         voice = evoice->number;
 692
 693         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 694         pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 695         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 696         if (master || evoice->epcm->type == PLAYBACK_EFX)
 697                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 698         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 699         if (extra)
 700                 snd_emu10k1_voice_intr_enable(emu, voice);
 701 }
 702
 703 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
 704 {
 705         unsigned int voice;
 706
 707         if (evoice == NULL)
 708                 return;
 709         voice = evoice->number;
 710         snd_emu10k1_voice_intr_disable(emu, voice);
 711         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 712         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 713         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 714         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 715         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 716         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 717 }
 718
 719 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
 720                                         int cmd)
 721 {
 722         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 723         snd_pcm_runtime_t *runtime = substream->runtime;
 724         emu10k1_pcm_t *epcm = runtime->private_data;
 725         emu10k1_pcm_mixer_t *mix;
 726         int result = 0;
 727
 728         // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
 729         spin_lock(&emu->reg_lock);
 730         switch (cmd) {
 731         case SNDRV_PCM_TRIGGER_START:
 732                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);     /* do we need this? */
 733                 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]);
 734                 /* follow thru */
 735         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 736                 mix = &emu->pcm_mixer[substream->number];
 737                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix);
 738                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix);
 739                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 740                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 741                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 742                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 743                 epcm->running = 1;
 744                 break;
 745         case SNDRV_PCM_TRIGGER_STOP:
 746         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 747                 epcm->running = 0;
 748                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 749                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 750                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 751                 break;
 752         default:
 753                 result = -EINVAL;
 754                 break;
 755         }
 756         spin_unlock(&emu->reg_lock);
 757         return result;
 758 }
 759
 760 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
 761                                        int cmd)
 762 {
 763         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 764         snd_pcm_runtime_t *runtime = substream->runtime;
 765         emu10k1_pcm_t *epcm = runtime->private_data;
 766         int result = 0;
 767
 768         spin_lock(&emu->reg_lock);
 769         switch (cmd) {
 770         case SNDRV_PCM_TRIGGER_START:
 771                 // hmm this should cause full and half full interrupt to be raised?
 772                 outl(epcm->capture_ipr, emu->port + IPR);
 773                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 774                 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
 775                 switch (epcm->type) {
 776                 case CAPTURE_AC97ADC:
 777                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 778                         break;
 779                 case CAPTURE_EFX:
 780                         if (emu->audigy) {
 781                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 782                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 783                         } else
 784                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 785                         break;
 786                 default:
 787                         break;
 788                 }
 789                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 790                 epcm->running = 1;
 791                 epcm->first_ptr = 1;
 792                 break;
 793         case SNDRV_PCM_TRIGGER_STOP:
 794                 epcm->running = 0;
 795                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 796                 outl(epcm->capture_ipr, emu->port + IPR);
 797                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 798                 switch (epcm->type) {
 799                 case CAPTURE_AC97ADC:
 800                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 801                         break;
 802                 case CAPTURE_EFX:
 803                         if (emu->audigy) {
 804                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 805                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 806                         } else
 807                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 808                         break;
 809                 default:
 810                         break;
 811                 }
 812                 break;
 813         default:
 814                 result = -EINVAL;
 815         }
 816         spin_unlock(&emu->reg_lock);
 817         return result;
 818 }
 819
 820 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
 821 {
 822         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 823         snd_pcm_runtime_t *runtime = substream->runtime;
 824         emu10k1_pcm_t *epcm = runtime->private_data;
 825         unsigned int ptr;
 826
 827         if (!epcm->running)
 828                 return 0;
 829         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 830 #if 0   /* Perex's code */
 831         ptr += runtime->buffer_size;
 832         ptr -= epcm->ccca_start_addr;
 833         ptr %= runtime->buffer_size;
 834 #else   /* EMU10K1 Open Source code from Creative */
 835         if (ptr < epcm->ccca_start_addr)
 836                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 837         else {
 838                 ptr -= epcm->ccca_start_addr;
 839                 if (ptr >= runtime->buffer_size)
 840                         ptr -= runtime->buffer_size;
 841         }
 842 #endif
 843         // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
 844         return ptr;
 845 }
 846
 847
 848 static int snd_emu10k1_efx_playback_trigger(snd_pcm_substream_t * substream,
 849                                         int cmd)
 850 {
 851         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 852         snd_pcm_runtime_t *runtime = substream->runtime;
 853         emu10k1_pcm_t *epcm = runtime->private_data;
 854         int i;
 855         int result = 0;
 856
 857         spin_lock(&emu->reg_lock);
 858         switch (cmd) {
 859         case SNDRV_PCM_TRIGGER_START:
 860                 // prepare voices
 861                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 862                         snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]);
 863                 }
 864                 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra);
 865
 866                 /* follow thru */
 867         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 868                 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL);
 869                 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0,
 870                                                    &emu->efx_pcm_mixer[0]);
 871                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 872                         snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0,
 873                                                            &emu->efx_pcm_mixer[i]);
 874                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0);
 875                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 876                 for (i = 1; i < NUM_EFX_PLAYBACK; i++)
 877                         snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0);
 878                 epcm->running = 1;
 879                 break;
 880         case SNDRV_PCM_TRIGGER_STOP:
 881         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 882                 epcm->running = 0;
 883                 for (i = 0; i < NUM_EFX_PLAYBACK; i++) {
 884                         snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]);
 885                 }
 886                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 887                 break;
 888         default:
 889                 result = -EINVAL;
 890                 break;
 891         }
 892         spin_unlock(&emu->reg_lock);
 893         return result;
 894 }
 895
 896
 897 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
 898 {
 899         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 900         snd_pcm_runtime_t *runtime = substream->runtime;
 901         emu10k1_pcm_t *epcm = runtime->private_data;
 902         unsigned int ptr;
 903
 904         if (!epcm->running)
 905                 return 0;
 906         if (epcm->first_ptr) {
 907                 udelay(50);     // hack, it takes awhile until capture is started
 908                 epcm->first_ptr = 0;
 909         }
 910         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 911         return bytes_to_frames(runtime, ptr);
 912 }
 913
 914 /*
 915  *  Playback support device description
 916  */
 917
 918 static snd_pcm_hardware_t snd_emu10k1_playback =
 919 {
 920         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 921                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 922                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 923         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 924         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000,
 925         .rate_min =             4000,
 926         .rate_max =             96000,
 927         .channels_min =         1,
 928         .channels_max =         2,
 929         .buffer_bytes_max =     (128*1024),
 930         .period_bytes_min =     64,
 931         .period_bytes_max =     (128*1024),
 932         .periods_min =          1,
 933         .periods_max =          1024,
 934         .fifo_size =            0,
 935 };
 936
 937 /*
 938  *  Capture support device description
 939  */
 940
 941 static snd_pcm_hardware_t snd_emu10k1_capture =
 942 {
 943         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 944                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 945                                  SNDRV_PCM_INFO_MMAP_VALID),
 946         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 947         .rates =                SNDRV_PCM_RATE_8000_48000,
 948         .rate_min =             8000,
 949         .rate_max =             48000,
 950         .channels_min =         1,
 951         .channels_max =         2,
 952         .buffer_bytes_max =     (64*1024),
 953         .period_bytes_min =     384,
 954         .period_bytes_max =     (64*1024),
 955         .periods_min =          2,
 956         .periods_max =          2,
 957         .fifo_size =            0,
 958 };
 959
 960 /*
 961  *
 962  */
 963
 964 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
 965 {
 966         snd_ctl_elem_id_t id;
 967
 968         if (! kctl)
 969                 return;
 970         if (activate)
 971                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 972         else
 973                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 974         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
 975                        SNDRV_CTL_EVENT_MASK_INFO,
 976                        snd_ctl_build_ioff(&id, kctl, idx));
 977 }
 978
 979 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
 980 {
 981         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
 982         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
 983         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
 984 }
 985
 986 static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activate)
 987 {
 988         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate);
 989         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate);
 990         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate);
 991 }
 992
 993 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
 994 {
 995         kfree(runtime->private_data);
 996 }
 997
 998 static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream)
 999 {
1000         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1001         emu10k1_pcm_mixer_t *mix;
1002         int i;
1003
1004         for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1005                 mix = &emu->efx_pcm_mixer[i];
1006                 mix->epcm = NULL;
1007                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0);
1008         }
1009         return 0;
1010 }
1011
1012 static int snd_emu10k1_efx_playback_open(snd_pcm_substream_t * substream)
1013 {
1014         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1015         emu10k1_pcm_t *epcm;
1016         emu10k1_pcm_mixer_t *mix;
1017         snd_pcm_runtime_t *runtime = substream->runtime;
1018         int i;
1019
1020         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1021         if (epcm == NULL)
1022                 return -ENOMEM;
1023         epcm->emu = emu;
1024         epcm->type = PLAYBACK_EFX;
1025         epcm->substream = substream;
1026
1027         emu->pcm_playback_efx_substream = substream;
1028
1029         runtime->private_data = epcm;
1030         runtime->private_free = snd_emu10k1_pcm_free_substream;
1031         runtime->hw = snd_emu10k1_efx_playback;
1032
1033         for (i=0; i < NUM_EFX_PLAYBACK; i++) {
1034                 mix = &emu->efx_pcm_mixer[i];
1035                 mix->send_routing[0][0] = i;
1036                 memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1037                 mix->send_volume[0][0] = 255;
1038                 mix->attn[0] = 0xffff;
1039                 mix->epcm = epcm;
1040                 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1);
1041         }
1042         return 0;
1043 }
1044
1045 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
1046 {
1047         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1048         emu10k1_pcm_t *epcm;
1049         emu10k1_pcm_mixer_t *mix;
1050         snd_pcm_runtime_t *runtime = substream->runtime;
1051         int i, err;
1052
1053         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1054         if (epcm == NULL)
1055                 return -ENOMEM;
1056         epcm->emu = emu;
1057         epcm->type = PLAYBACK_EMUVOICE;
1058         epcm->substream = substream;
1059         runtime->private_data = epcm;
1060         runtime->private_free = snd_emu10k1_pcm_free_substream;
1061         runtime->hw = snd_emu10k1_playback;
1062         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
1063                 kfree(epcm);
1064                 return err;
1065         }
1066         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
1067                 kfree(epcm);
1068                 return err;
1069         }
1070         mix = &emu->pcm_mixer[substream->number];
1071         for (i = 0; i < 4; i++)
1072                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
1073         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
1074         mix->send_volume[0][0] = mix->send_volume[0][1] =
1075         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
1076         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
1077         mix->epcm = epcm;
1078         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
1079         return 0;
1080 }
1081
1082 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
1083 {
1084         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1085         emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
1086
1087         mix->epcm = NULL;
1088         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
1089         return 0;
1090 }
1091
1092 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
1093 {
1094         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1095         snd_pcm_runtime_t *runtime = substream->runtime;
1096         emu10k1_pcm_t *epcm;
1097
1098         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1099         if (epcm == NULL)
1100                 return -ENOMEM;
1101         epcm->emu = emu;
1102         epcm->type = CAPTURE_AC97ADC;
1103         epcm->substream = substream;
1104         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
1105         epcm->capture_inte = INTE_ADCBUFENABLE;
1106         epcm->capture_ba_reg = ADCBA;
1107         epcm->capture_bs_reg = ADCBS;
1108         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
1109         runtime->private_data = epcm;
1110         runtime->private_free = snd_emu10k1_pcm_free_substream;
1111         runtime->hw = snd_emu10k1_capture;
1112         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
1113         emu->pcm_capture_substream = substream;
1114         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1115         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
1116         return 0;
1117 }
1118
1119 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
1120 {
1121         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1122
1123         emu->capture_interrupt = NULL;
1124         emu->pcm_capture_substream = NULL;
1125         return 0;
1126 }
1127
1128 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
1129 {
1130         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1131         emu10k1_pcm_t *epcm;
1132         snd_pcm_runtime_t *runtime = substream->runtime;
1133
1134         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1135         if (epcm == NULL)
1136                 return -ENOMEM;
1137         epcm->emu = emu;
1138         epcm->type = CAPTURE_AC97MIC;
1139         epcm->substream = substream;
1140         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
1141         epcm->capture_inte = INTE_MICBUFENABLE;
1142         epcm->capture_ba_reg = MICBA;
1143         epcm->capture_bs_reg = MICBS;
1144         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
1145         substream->runtime->private_data = epcm;
1146         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1147         runtime->hw = snd_emu10k1_capture;
1148         runtime->hw.rates = SNDRV_PCM_RATE_8000;
1149         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
1150         runtime->hw.channels_min = 1;
1151         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
1152         emu->pcm_capture_mic_substream = substream;
1153         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1154         return 0;
1155 }
1156
1157 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
1158 {
1159         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1160
1161         emu->capture_interrupt = NULL;
1162         emu->pcm_capture_mic_substream = NULL;
1163         return 0;
1164 }
1165
1166 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
1167 {
1168         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1169         emu10k1_pcm_t *epcm;
1170         snd_pcm_runtime_t *runtime = substream->runtime;
1171         int nefx = emu->audigy ? 64 : 32;
1172         int idx;
1173
1174         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
1175         if (epcm == NULL)
1176                 return -ENOMEM;
1177         epcm->emu = emu;
1178         epcm->type = CAPTURE_EFX;
1179         epcm->substream = substream;
1180         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
1181         epcm->capture_inte = INTE_EFXBUFENABLE;
1182         epcm->capture_ba_reg = FXBA;
1183         epcm->capture_bs_reg = FXBS;
1184         epcm->capture_idx_reg = FXIDX;
1185         substream->runtime->private_data = epcm;
1186         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
1187         runtime->hw = snd_emu10k1_capture;
1188         runtime->hw.rates = SNDRV_PCM_RATE_48000;
1189         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1190         spin_lock_irq(&emu->reg_lock);
1191         runtime->hw.channels_min = runtime->hw.channels_max = 0;
1192         for (idx = 0; idx < nefx; idx++) {
1193                 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
1194                         runtime->hw.channels_min++;
1195                         runtime->hw.channels_max++;
1196                 }
1197         }
1198         epcm->capture_cr_val = emu->efx_voices_mask[0];
1199         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
1200         spin_unlock_irq(&emu->reg_lock);
1201         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
1202         emu->pcm_capture_efx_substream = substream;
1203         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
1204         return 0;
1205 }
1206
1207 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
1208 {
1209         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1210
1211         emu->capture_interrupt = NULL;
1212         emu->pcm_capture_efx_substream = NULL;
1213         return 0;
1214 }
1215
1216 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
1217         .open =                 snd_emu10k1_playback_open,
1218         .close =                snd_emu10k1_playback_close,
1219         .ioctl =                snd_pcm_lib_ioctl,
1220         .hw_params =            snd_emu10k1_playback_hw_params,
1221         .hw_free =              snd_emu10k1_playback_hw_free,
1222         .prepare =              snd_emu10k1_playback_prepare,
1223         .trigger =              snd_emu10k1_playback_trigger,
1224         .pointer =              snd_emu10k1_playback_pointer,
1225         .page =                 snd_pcm_sgbuf_ops_page,
1226 };
1227
1228 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
1229         .open =                 snd_emu10k1_capture_open,
1230         .close =                snd_emu10k1_capture_close,
1231         .ioctl =                snd_pcm_lib_ioctl,
1232         .hw_params =            snd_emu10k1_capture_hw_params,
1233         .hw_free =              snd_emu10k1_capture_hw_free,
1234         .prepare =              snd_emu10k1_capture_prepare,
1235         .trigger =              snd_emu10k1_capture_trigger,
1236         .pointer =              snd_emu10k1_capture_pointer,
1237 };
1238
1239 /* EFX playback */
1240 static snd_pcm_ops_t snd_emu10k1_efx_playback_ops = {
1241         .open =                 snd_emu10k1_efx_playback_open,
1242         .close =                snd_emu10k1_efx_playback_close,
1243         .ioctl =                snd_pcm_lib_ioctl,
1244         .hw_params =            snd_emu10k1_playback_hw_params,
1245         .hw_free =              snd_emu10k1_efx_playback_hw_free,
1246         .prepare =              snd_emu10k1_efx_playback_prepare,
1247         .trigger =              snd_emu10k1_efx_playback_trigger,
1248         .pointer =              snd_emu10k1_efx_playback_pointer,
1249         .page =                 snd_pcm_sgbuf_ops_page,
1250 };
1251
1252 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm)
1253 {
1254         emu10k1_t *emu = pcm->private_data;
1255         emu->pcm = NULL;
1256         snd_pcm_lib_preallocate_free_for_all(pcm);
1257 }
1258
1259 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1260 {
1261         snd_pcm_t *pcm;
1262         snd_pcm_substream_t *substream;
1263         int err;
1264
1265         if (rpcm)
1266                 *rpcm = NULL;
1267
1268         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
1269                 return err;
1270
1271         pcm->private_data = emu;
1272         pcm->private_free = snd_emu10k1_pcm_free;
1273
1274         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
1275         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
1276
1277         pcm->info_flags = 0;
1278         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1279         strcpy(pcm->name, "ADC Capture/Standard PCM Playback");
1280         emu->pcm = pcm;
1281
1282         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1283                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1284                         return err;
1285
1286         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1287                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1288
1289         if (rpcm)
1290                 *rpcm = pcm;
1291
1292         return 0;
1293 }
1294
1295 int __devinit snd_emu10k1_pcm_multi(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1296 {
1297         snd_pcm_t *pcm;
1298         snd_pcm_substream_t *substream;
1299         int err;
1300
1301         if (rpcm)
1302                 *rpcm = NULL;
1303
1304         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0)
1305                 return err;
1306
1307         pcm->private_data = emu;
1308         pcm->private_free = snd_emu10k1_pcm_free;
1309
1310         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops);
1311
1312         pcm->info_flags = 0;
1313         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1314         strcpy(pcm->name, "Multichannel Playback");
1315         emu->pcm = pcm;
1316
1317         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1318                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1319                         return err;
1320
1321         if (rpcm)
1322                 *rpcm = pcm;
1323
1324         return 0;
1325 }
1326
1327
1328 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1329         .open =                 snd_emu10k1_capture_mic_open,
1330         .close =                snd_emu10k1_capture_mic_close,
1331         .ioctl =                snd_pcm_lib_ioctl,
1332         .hw_params =            snd_emu10k1_capture_hw_params,
1333         .hw_free =              snd_emu10k1_capture_hw_free,
1334         .prepare =              snd_emu10k1_capture_prepare,
1335         .trigger =              snd_emu10k1_capture_trigger,
1336         .pointer =              snd_emu10k1_capture_pointer,
1337 };
1338
1339 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm)
1340 {
1341         emu10k1_t *emu = pcm->private_data;
1342         emu->pcm_mic = NULL;
1343         snd_pcm_lib_preallocate_free_for_all(pcm);
1344 }
1345
1346 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1347 {
1348         snd_pcm_t *pcm;
1349         int err;
1350
1351         if (rpcm)
1352                 *rpcm = NULL;
1353
1354         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1355                 return err;
1356
1357         pcm->private_data = emu;
1358         pcm->private_free = snd_emu10k1_pcm_mic_free;
1359
1360         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1361
1362         pcm->info_flags = 0;
1363         strcpy(pcm->name, "Mic Capture");
1364         emu->pcm_mic = pcm;
1365
1366         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1367
1368         if (rpcm)
1369                 *rpcm = pcm;
1370         return 0;
1371 }
1372
1373 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1374 {
1375         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1376         int nefx = emu->audigy ? 64 : 32;
1377         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1378         uinfo->count = nefx;
1379         uinfo->value.integer.min = 0;
1380         uinfo->value.integer.max = 1;
1381         return 0;
1382 }
1383
1384 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1385 {
1386         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1387         int nefx = emu->audigy ? 64 : 32;
1388         int idx;
1389
1390         spin_lock_irq(&emu->reg_lock);
1391         for (idx = 0; idx < nefx; idx++)
1392                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1393         spin_unlock_irq(&emu->reg_lock);
1394         return 0;
1395 }
1396
1397 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1398 {
1399         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1400         unsigned int nval[2], bits;
1401         int nefx = emu->audigy ? 64 : 32;
1402         int nefxb = emu->audigy ? 7 : 6;
1403         int change, idx;
1404
1405         nval[0] = nval[1] = 0;
1406         for (idx = 0, bits = 0; idx < nefx; idx++)
1407                 if (ucontrol->value.integer.value[idx]) {
1408                         nval[idx / 32] |= 1 << (idx % 32);
1409                         bits++;
1410                 }
1411
1412         for (idx = 0; idx < nefxb; idx++)
1413                 if (1 << idx == bits)
1414                         break;
1415
1416         if (idx >= nefxb)
1417                 return -EINVAL;
1418
1419         spin_lock_irq(&emu->reg_lock);
1420         change = (nval[0] != emu->efx_voices_mask[0]) ||
1421                 (nval[1] != emu->efx_voices_mask[1]);
1422         emu->efx_voices_mask[0] = nval[0];
1423         emu->efx_voices_mask[1] = nval[1];
1424         spin_unlock_irq(&emu->reg_lock);
1425         return change;
1426 }
1427
1428 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1429         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1430         .name = "Captured FX8010 Outputs",
1431         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1432         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1433         .put = snd_emu10k1_pcm_efx_voices_mask_put
1434 };
1435
1436 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1437         .open =                 snd_emu10k1_capture_efx_open,
1438         .close =                snd_emu10k1_capture_efx_close,
1439         .ioctl =                snd_pcm_lib_ioctl,
1440         .hw_params =            snd_emu10k1_capture_hw_params,
1441         .hw_free =              snd_emu10k1_capture_hw_free,
1442         .prepare =              snd_emu10k1_capture_prepare,
1443         .trigger =              snd_emu10k1_capture_trigger,
1444         .pointer =              snd_emu10k1_capture_pointer,
1445 };
1446
1447
1448 /* EFX playback */
1449
1450 #define INITIAL_TRAM_SHIFT     14
1451 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1452
1453 static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data)
1454 {
1455         snd_pcm_substream_t *substream = private_data;
1456         snd_pcm_period_elapsed(substream);
1457 }
1458
1459 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1460                                                    unsigned short *dst_right,
1461                                                    unsigned short *src,
1462                                                    unsigned int count,
1463                                                    unsigned int tram_shift)
1464 {
1465         // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1466         if ((tram_shift & 1) == 0) {
1467                 while (count--) {
1468                         *dst_left-- = *src++;
1469                         *dst_right-- = *src++;
1470                 }
1471         } else {
1472                 while (count--) {
1473                         *dst_right-- = *src++;
1474                         *dst_left-- = *src++;
1475                 }
1476         }
1477 }
1478
1479 static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream,
1480                                  snd_pcm_indirect_t *rec, size_t bytes)
1481 {
1482         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1483         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1484         unsigned int tram_size = pcm->buffer_size;
1485         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1486         unsigned int frames = bytes >> 2, count;
1487         unsigned int tram_pos = pcm->tram_pos;
1488         unsigned int tram_shift = pcm->tram_shift;
1489
1490         while (frames > tram_pos) {
1491                 count = tram_pos + 1;
1492                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1493                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1494                                                        src, count, tram_shift);
1495                 src += count * 2;
1496                 frames -= count;
1497                 tram_pos = (tram_size / 2) - 1;
1498                 tram_shift++;
1499         }
1500         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1501                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1502                                                src, frames, tram_shift);
1503         tram_pos -= frames;
1504         pcm->tram_pos = tram_pos;
1505         pcm->tram_shift = tram_shift;
1506 }
1507
1508 static int snd_emu10k1_fx8010_playback_transfer(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
1513         snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1514         return 0;
1515 }
1516
1517 static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream,
1518                                                  snd_pcm_hw_params_t * hw_params)
1519 {
1520         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1521 }
1522
1523 static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream)
1524 {
1525         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1526         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1527         unsigned int i;
1528
1529         for (i = 0; i < pcm->channels; i++)
1530                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1531         snd_pcm_lib_free_pages(substream);
1532         return 0;
1533 }
1534
1535 static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream)
1536 {
1537         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1538         snd_pcm_runtime_t *runtime = substream->runtime;
1539         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1540         unsigned int i;
1541
1542         // 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);
1543         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1544         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1545         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1546         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1547         pcm->tram_shift = 0;
1548         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1549         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1550         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1551         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1552         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1553         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1554         for (i = 0; i < pcm->channels; i++)
1555                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1556         return 0;
1557 }
1558
1559 static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd)
1560 {
1561         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1562         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1563         int result = 0;
1564
1565         spin_lock(&emu->reg_lock);
1566         switch (cmd) {
1567         case SNDRV_PCM_TRIGGER_START:
1568                 /* follow thru */
1569         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1570 #ifdef EMU10K1_SET_AC3_IEC958
1571         {
1572                 int i;
1573                 for (i = 0; i < 3; i++) {
1574                         unsigned int bits;
1575                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1576                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1577                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1578                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1579                 }
1580         }
1581 #endif
1582                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1583                 if (result < 0)
1584                         goto __err;
1585                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1586                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1587                 break;
1588         case SNDRV_PCM_TRIGGER_STOP:
1589         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1590                 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1591                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1592                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1593                 pcm->tram_shift = 0;
1594                 break;
1595         default:
1596                 result = -EINVAL;
1597                 break;
1598         }
1599       __err:
1600         spin_unlock(&emu->reg_lock);
1601         return result;
1602 }
1603
1604 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream)
1605 {
1606         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1607         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1608         size_t ptr; /* byte pointer */
1609
1610         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1611                 return 0;
1612         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1613         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1614 }
1615
1616 static snd_pcm_hardware_t snd_emu10k1_fx8010_playback =
1617 {
1618         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1619                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1620         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1621         .rates =                SNDRV_PCM_RATE_48000,
1622         .rate_min =             48000,
1623         .rate_max =             48000,
1624         .channels_min =         1,
1625         .channels_max =         1,
1626         .buffer_bytes_max =     (128*1024),
1627         .period_bytes_min =     1024,
1628         .period_bytes_max =     (128*1024),
1629         .periods_min =          1,
1630         .periods_max =          1024,
1631         .fifo_size =            0,
1632 };
1633
1634 static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream)
1635 {
1636         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1637         snd_pcm_runtime_t *runtime = substream->runtime;
1638         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1639
1640         runtime->hw = snd_emu10k1_fx8010_playback;
1641         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1642         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1643         spin_lock_irq(&emu->reg_lock);
1644         if (pcm->valid == 0) {
1645                 spin_unlock_irq(&emu->reg_lock);
1646                 return -ENODEV;
1647         }
1648         pcm->opened = 1;
1649         spin_unlock_irq(&emu->reg_lock);
1650         return 0;
1651 }
1652
1653 static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream)
1654 {
1655         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1656         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1657
1658         spin_lock_irq(&emu->reg_lock);
1659         pcm->opened = 0;
1660         spin_unlock_irq(&emu->reg_lock);
1661         return 0;
1662 }
1663
1664 static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = {
1665         .open =                 snd_emu10k1_fx8010_playback_open,
1666         .close =                snd_emu10k1_fx8010_playback_close,
1667         .ioctl =                snd_pcm_lib_ioctl,
1668         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1669         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1670         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1671         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1672         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1673         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1674 };
1675
1676 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm)
1677 {
1678         emu10k1_t *emu = pcm->private_data;
1679         emu->pcm_efx = NULL;
1680         snd_pcm_lib_preallocate_free_for_all(pcm);
1681 }
1682
1683 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1684 {
1685         snd_pcm_t *pcm;
1686         snd_kcontrol_t *kctl;
1687         int err;
1688
1689         if (rpcm)
1690                 *rpcm = NULL;
1691
1692         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1693                 return err;
1694
1695         pcm->private_data = emu;
1696         pcm->private_free = snd_emu10k1_pcm_efx_free;
1697
1698         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1699         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1700
1701         pcm->info_flags = 0;
1702         strcpy(pcm->name, "Multichannel Capture/PT Playback");
1703         emu->pcm_efx = pcm;
1704         if (rpcm)
1705                 *rpcm = pcm;
1706
1707         /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs
1708          * to these
1709          */
1710
1711         /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */
1712         if (emu->audigy) {
1713                 emu->efx_voices_mask[0] = 0;
1714                 emu->efx_voices_mask[1] = 0xffff;
1715         } else {
1716                 emu->efx_voices_mask[0] = 0xffff0000;
1717                 emu->efx_voices_mask[1] = 0;
1718         }
1719         kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu);
1720         if (!kctl)
1721                 return -ENOMEM;
1722         kctl->id.device = device;
1723         snd_ctl_add(emu->card, kctl);
1724
1725         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1726
1727         return 0;
1728 }