sound/pci/emu10k1/emupcm.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   3  *                   Creative Labs, Inc.
   4  *  Routines for control of EMU10K1 chips / PCM routines
   5  *
   6  *  BUGS:
   7  *    --
   8  *
   9  *  TODO:
  10  *    --
  11  *
  12  *   This program is free software; you can redistribute it and/or modify
  13  *   it under the terms of the GNU General Public License as published by
  14  *   the Free Software Foundation; either version 2 of the License, or
  15  *   (at your option) any later version.
  16  *
  17  *   This program is distributed in the hope that it will be useful,
  18  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *   GNU General Public License for more details.
  21  *
  22  *   You should have received a copy of the GNU General Public License
  23  *   along with this program; if not, write to the Free Software
  24  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  25  *
  26  */
  27
  28 #include <sound/driver.h>
  29 #include <linux/pci.h>
  30 #include <linux/delay.h>
  31 #include <linux/slab.h>
  32 #include <linux/time.h>
  33 #include <linux/init.h>
  34 #include <sound/core.h>
  35 #include <sound/emu10k1.h>
  36
  37 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice)
  38 {
  39         emu10k1_pcm_t *epcm;
  40
  41         if ((epcm = voice->epcm) == NULL)
  42                 return;
  43         if (epcm->substream == NULL)
  44                 return;
  45 #if 0
  46         printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
  47                         epcm->substream->runtime->hw->pointer(emu, epcm->substream),
  48                         snd_pcm_lib_period_bytes(epcm->substream),
  49                         snd_pcm_lib_buffer_bytes(epcm->substream));
  50 #endif
  51         snd_pcm_period_elapsed(epcm->substream);
  52 }
  53
  54 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status)
  55 {
  56 #if 0
  57         if (status & IPR_ADCBUFHALFFULL) {
  58                 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  59                         return;
  60         }
  61 #endif
  62         snd_pcm_period_elapsed(emu->pcm_capture_substream);
  63 }
  64
  65 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status)
  66 {
  67 #if 0
  68         if (status & IPR_MICBUFHALFFULL) {
  69                 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  70                         return;
  71         }
  72 #endif
  73         snd_pcm_period_elapsed(emu->pcm_capture_mic_substream);
  74 }
  75
  76 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status)
  77 {
  78 #if 0
  79         if (status & IPR_EFXBUFHALFFULL) {
  80                 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME)
  81                         return;
  82         }
  83 #endif
  84         snd_pcm_period_elapsed(emu->pcm_capture_efx_substream);
  85 }
  86
  87 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices)
  88 {
  89         int err;
  90
  91         if (epcm->voices[1] != NULL && voices < 2) {
  92                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
  93                 epcm->voices[1] = NULL;
  94         }
  95         if (voices == 1 && epcm->voices[0] != NULL)
  96                 return 0;               /* already allocated */
  97         if (voices == 2 && epcm->voices[0] != NULL && epcm->voices[1] != NULL)
  98                 return 0;
  99         if (voices > 1) {
 100                 if (epcm->voices[0] != NULL && epcm->voices[1] == NULL) {
 101                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 102                         epcm->voices[0] = NULL;
 103                 }
 104         }
 105         err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, voices > 1, &epcm->voices[0]);
 106         if (err < 0)
 107                 return err;
 108         epcm->voices[0]->epcm = epcm;
 109         if (voices > 1) {
 110                 epcm->voices[1] = &epcm->emu->voices[epcm->voices[0]->number + 1];
 111                 epcm->voices[1]->epcm = epcm;
 112         }
 113         if (epcm->extra == NULL) {
 114                 err = snd_emu10k1_voice_alloc(epcm->emu, EMU10K1_PCM, 0, &epcm->extra);
 115                 if (err < 0) {
 116                         // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame);
 117                         snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 118                         epcm->voices[0] = NULL;
 119                         if (epcm->voices[1])
 120                                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 121                         epcm->voices[1] = NULL;
 122                         return err;
 123                 }
 124                 epcm->extra->epcm = epcm;
 125                 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt;
 126         }
 127         return 0;
 128 }
 129
 130 static unsigned int capture_period_sizes[31] = {
 131         384,    448,    512,    640,
 132         384*2,  448*2,  512*2,  640*2,
 133         384*4,  448*4,  512*4,  640*4,
 134         384*8,  448*8,  512*8,  640*8,
 135         384*16, 448*16, 512*16, 640*16,
 136         384*32, 448*32, 512*32, 640*32,
 137         384*64, 448*64, 512*64, 640*64,
 138         384*128,448*128,512*128
 139 };
 140
 141 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = {
 142         .count = 31,
 143         .list = capture_period_sizes,
 144         .mask = 0
 145 };
 146
 147 static unsigned int capture_rates[8] = {
 148         8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000
 149 };
 150
 151 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = {
 152         .count = 8,
 153         .list = capture_rates,
 154         .mask = 0
 155 };
 156
 157 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate)
 158 {
 159         switch (rate) {
 160         case 8000:      return ADCCR_SAMPLERATE_8;
 161         case 11025:     return ADCCR_SAMPLERATE_11;
 162         case 16000:     return ADCCR_SAMPLERATE_16;
 163         case 22050:     return ADCCR_SAMPLERATE_22;
 164         case 24000:     return ADCCR_SAMPLERATE_24;
 165         case 32000:     return ADCCR_SAMPLERATE_32;
 166         case 44100:     return ADCCR_SAMPLERATE_44;
 167         case 48000:     return ADCCR_SAMPLERATE_48;
 168         default:
 169                         snd_BUG();
 170                         return ADCCR_SAMPLERATE_8;
 171         }
 172 }
 173
 174 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate)
 175 {
 176         switch (rate) {
 177         case 8000:      return A_ADCCR_SAMPLERATE_8;
 178         case 11025:     return A_ADCCR_SAMPLERATE_11;
 179         case 12000:     return A_ADCCR_SAMPLERATE_12; /* really supported? */
 180         case 16000:     return ADCCR_SAMPLERATE_16;
 181         case 22050:     return ADCCR_SAMPLERATE_22;
 182         case 24000:     return ADCCR_SAMPLERATE_24;
 183         case 32000:     return ADCCR_SAMPLERATE_32;
 184         case 44100:     return ADCCR_SAMPLERATE_44;
 185         case 48000:     return ADCCR_SAMPLERATE_48;
 186         default:
 187                         snd_BUG();
 188                         return A_ADCCR_SAMPLERATE_8;
 189         }
 190 }
 191
 192 static unsigned int emu10k1_calc_pitch_target(unsigned int rate)
 193 {
 194         unsigned int pitch_target;
 195
 196         pitch_target = (rate << 8) / 375;
 197         pitch_target = (pitch_target >> 1) + (pitch_target & 1);
 198         return pitch_target;
 199 }
 200
 201 #define PITCH_48000 0x00004000
 202 #define PITCH_96000 0x00008000
 203 #define PITCH_85000 0x00007155
 204 #define PITCH_80726 0x00006ba2
 205 #define PITCH_67882 0x00005a82
 206 #define PITCH_57081 0x00004c1c
 207
 208 static unsigned int emu10k1_select_interprom(unsigned int pitch_target)
 209 {
 210         if (pitch_target == PITCH_48000)
 211                 return CCCA_INTERPROM_0;
 212         else if (pitch_target < PITCH_48000)
 213                 return CCCA_INTERPROM_1;
 214         else if (pitch_target >= PITCH_96000)
 215                 return CCCA_INTERPROM_0;
 216         else if (pitch_target >= PITCH_85000)
 217                 return CCCA_INTERPROM_6;
 218         else if (pitch_target >= PITCH_80726)
 219                 return CCCA_INTERPROM_5;
 220         else if (pitch_target >= PITCH_67882)
 221                 return CCCA_INTERPROM_4;
 222         else if (pitch_target >= PITCH_57081)
 223                 return CCCA_INTERPROM_3;
 224         else
 225                 return CCCA_INTERPROM_2;
 226 }
 227
 228
 229 static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu,
 230                                        int master, int extra,
 231                                        emu10k1_voice_t *evoice,
 232                                        unsigned int start_addr,
 233                                        unsigned int end_addr)
 234 {
 235         snd_pcm_substream_t *substream = evoice->epcm->substream;
 236         snd_pcm_runtime_t *runtime = substream->runtime;
 237         emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
 238         unsigned int silent_page, tmp;
 239         int voice, stereo, w_16;
 240         unsigned char attn, send_amount[8];
 241         unsigned char send_routing[8];
 242         unsigned long flags;
 243         unsigned int pitch_target;
 244
 245         voice = evoice->number;
 246         stereo = runtime->channels == 2;
 247         w_16 = snd_pcm_format_width(runtime->format) == 16;
 248
 249         if (!extra && stereo) {
 250                 start_addr >>= 1;
 251                 end_addr >>= 1;
 252         }
 253         if (w_16) {
 254                 start_addr >>= 1;
 255                 end_addr >>= 1;
 256         }
 257
 258         spin_lock_irqsave(&emu->reg_lock, flags);
 259
 260         /* volume parameters */
 261         if (extra) {
 262                 attn = 0;
 263                 memset(send_routing, 0, sizeof(send_routing));
 264                 send_routing[0] = 0;
 265                 send_routing[1] = 1;
 266                 send_routing[2] = 2;
 267                 send_routing[3] = 3;
 268                 memset(send_amount, 0, sizeof(send_amount));
 269         } else {
 270                 /* mono, left, right (master voice = left) */
 271                 tmp = stereo ? (master ? 1 : 2) : 0;
 272                 memcpy(send_routing, &mix->send_routing[tmp][0], 8);
 273                 memcpy(send_amount, &mix->send_volume[tmp][0], 8);
 274         }
 275
 276         if (master) {
 277                 unsigned int ccis = stereo ? 28 : 30;
 278                 if (w_16)
 279                         ccis *= 2;
 280                 evoice->epcm->ccca_start_addr = start_addr + ccis;
 281                 if (extra) {
 282                         start_addr += ccis;
 283                         end_addr += ccis;
 284                 }
 285                 if (stereo && !extra) {
 286                         snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK);
 287                         snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK);
 288                 } else {
 289                         snd_emu10k1_ptr_write(emu, CPF, voice, 0);
 290                 }
 291         }
 292
 293         // setup routing
 294         if (emu->audigy) {
 295                 snd_emu10k1_ptr_write(emu, A_FXRT1, voice,
 296                                       snd_emu10k1_compose_audigy_fxrt1(send_routing));
 297                 snd_emu10k1_ptr_write(emu, A_FXRT2, voice,
 298                                       snd_emu10k1_compose_audigy_fxrt2(send_routing));
 299                 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice,
 300                                       ((unsigned int)send_amount[4] << 24) |
 301                                       ((unsigned int)send_amount[5] << 16) |
 302                                       ((unsigned int)send_amount[6] << 8) |
 303                                       (unsigned int)send_amount[7]);
 304         } else
 305                 snd_emu10k1_ptr_write(emu, FXRT, voice,
 306                                       snd_emu10k1_compose_send_routing(send_routing));
 307         // Stop CA
 308         // Assumption that PT is already 0 so no harm overwriting
 309         snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]);
 310         snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24));
 311         snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24));
 312         pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 313         snd_emu10k1_ptr_write(emu, CCCA, voice, evoice->epcm->ccca_start_addr |
 314                               emu10k1_select_interprom(pitch_target) |
 315                               (w_16 ? 0 : CCCA_8BITSELECT));
 316         // Clear filter delay memory
 317         snd_emu10k1_ptr_write(emu, Z1, voice, 0);
 318         snd_emu10k1_ptr_write(emu, Z2, voice, 0);
 319         // invalidate maps
 320         silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK;
 321         snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page);
 322         snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page);
 323         // modulation envelope
 324         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 325         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 326         snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0);
 327         snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f);
 328         snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000);
 329         snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000);
 330         snd_emu10k1_ptr_write(emu, FMMOD, voice, 0);
 331         snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0);
 332         snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0);
 333         snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000);
 334         // volume envelope
 335         snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f);
 336         snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000);
 337         // filter envelope
 338         snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f);
 339         // pitch envelope
 340         snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0);
 341
 342         spin_unlock_irqrestore(&emu->reg_lock, flags);
 343 }
 344
 345 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream,
 346                                           snd_pcm_hw_params_t * hw_params)
 347 {
 348         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 349         snd_pcm_runtime_t *runtime = substream->runtime;
 350         emu10k1_pcm_t *epcm = runtime->private_data;
 351         int err;
 352
 353         if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0)
 354                 return err;
 355         if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
 356                 return err;
 357         if (err > 0) {  /* change */
 358                 snd_util_memblk_t *memblk;
 359                 if (epcm->memblk != NULL)
 360                         snd_emu10k1_free_pages(emu, epcm->memblk);
 361                 memblk = snd_emu10k1_alloc_pages(emu, substream);
 362                 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) {
 363                         epcm->start_addr = 0;
 364                         return -ENOMEM;
 365                 }
 366                 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT;
 367         }
 368         return 0;
 369 }
 370
 371 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream)
 372 {
 373         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 374         snd_pcm_runtime_t *runtime = substream->runtime;
 375         emu10k1_pcm_t *epcm;
 376
 377         if (runtime->private_data == NULL)
 378                 return 0;
 379         epcm = runtime->private_data;
 380         if (epcm->extra) {
 381                 snd_emu10k1_voice_free(epcm->emu, epcm->extra);
 382                 epcm->extra = NULL;
 383         }
 384         if (epcm->voices[1]) {
 385                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]);
 386                 epcm->voices[1] = NULL;
 387         }
 388         if (epcm->voices[0]) {
 389                 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]);
 390                 epcm->voices[0] = NULL;
 391         }
 392         if (epcm->memblk) {
 393                 snd_emu10k1_free_pages(emu, epcm->memblk);
 394                 epcm->memblk = NULL;
 395                 epcm->start_addr = 0;
 396         }
 397         snd_pcm_lib_free_pages(substream);
 398         return 0;
 399 }
 400
 401 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream)
 402 {
 403         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 404         snd_pcm_runtime_t *runtime = substream->runtime;
 405         emu10k1_pcm_t *epcm = runtime->private_data;
 406         unsigned int start_addr, end_addr;
 407
 408         start_addr = epcm->start_addr;
 409         end_addr = snd_pcm_lib_period_bytes(substream);
 410         if (runtime->channels == 2)
 411                 end_addr >>= 1;
 412         end_addr += start_addr;
 413         snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra,
 414                                    start_addr, end_addr);
 415         end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream);
 416         snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0],
 417                                    start_addr, end_addr);
 418         if (epcm->voices[1])
 419                 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1],
 420                                            start_addr, end_addr);
 421         return 0;
 422 }
 423
 424 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream,
 425                                          snd_pcm_hw_params_t * hw_params)
 426 {
 427         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 428 }
 429
 430 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream)
 431 {
 432         return snd_pcm_lib_free_pages(substream);
 433 }
 434
 435 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream)
 436 {
 437         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 438         snd_pcm_runtime_t *runtime = substream->runtime;
 439         emu10k1_pcm_t *epcm = runtime->private_data;
 440         int idx;
 441
 442         snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 443         switch (epcm->type) {
 444         case CAPTURE_AC97ADC:
 445                 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 446                 break;
 447         case CAPTURE_EFX:
 448                 if (emu->audigy) {
 449                         snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 450                         snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 451                 } else
 452                         snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 453                 break;
 454         default:
 455                 break;
 456         }
 457         snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr);
 458         epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream);
 459         epcm->capture_bs_val = 0;
 460         for (idx = 0; idx < 31; idx++) {
 461                 if (capture_period_sizes[idx] == epcm->capture_bufsize) {
 462                         epcm->capture_bs_val = idx + 1;
 463                         break;
 464                 }
 465         }
 466         if (epcm->capture_bs_val == 0) {
 467                 snd_BUG();
 468                 epcm->capture_bs_val++;
 469         }
 470         if (epcm->type == CAPTURE_AC97ADC) {
 471                 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE;
 472                 if (runtime->channels > 1)
 473                         epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE;
 474                 epcm->capture_cr_val |= emu->audigy ?
 475                         snd_emu10k1_audigy_capture_rate_reg(runtime->rate) :
 476                         snd_emu10k1_capture_rate_reg(runtime->rate);
 477         }
 478         return 0;
 479 }
 480
 481 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, emu10k1_voice_t *evoice)
 482 {
 483         snd_pcm_runtime_t *runtime;
 484         unsigned int voice, i, ccis, cra = 64, cs, sample;
 485
 486         if (evoice == NULL)
 487                 return;
 488         runtime = evoice->epcm->substream->runtime;
 489         voice = evoice->number;
 490         sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080;
 491         if (runtime->channels > 1) {
 492                 ccis = 28;
 493                 cs = 4;
 494         } else {
 495                 ccis = 30;
 496                 cs = 2;
 497         }
 498         if (sample == 0)        /* 16-bit */
 499                 ccis *= 2;
 500         for (i = 0; i < cs; i++)
 501                 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample);
 502         // reset cache
 503         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0);
 504         snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra);
 505         if (runtime->channels > 1) {
 506                 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0);
 507                 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra);
 508         }
 509         // fill cache
 510         snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis);
 511 }
 512
 513 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra)
 514 {
 515         snd_pcm_substream_t *substream;
 516         snd_pcm_runtime_t *runtime;
 517         emu10k1_pcm_mixer_t *mix;
 518         unsigned int voice, pitch, pitch_target, tmp;
 519         unsigned int attn;
 520
 521         if (evoice == NULL)     /* skip second voice for mono */
 522                 return;
 523         substream = evoice->epcm->substream;
 524         runtime = substream->runtime;
 525         mix = &emu->pcm_mixer[substream->number];
 526         voice = evoice->number;
 527         pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8;
 528         pitch_target = emu10k1_calc_pitch_target(runtime->rate);
 529         attn = extra ? 0 : 0x00ff;
 530         tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0;
 531         snd_emu10k1_ptr_write(emu, IFATN, voice, attn);
 532         snd_emu10k1_ptr_write(emu, VTFT, voice, (mix->attn[tmp] << 16) | 0xffff);
 533         snd_emu10k1_ptr_write(emu, CVCF, voice, (mix->attn[tmp] << 16) | 0xffff);
 534         snd_emu10k1_voice_clear_loop_stop(emu, voice);
 535         if (extra)
 536                 snd_emu10k1_voice_intr_enable(emu, voice);
 537         snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f);
 538         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target);
 539         if (master)
 540                 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target);
 541         snd_emu10k1_ptr_write(emu, IP, voice, pitch);
 542 }
 543
 544 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice)
 545 {
 546         unsigned int voice;
 547
 548         if (evoice == NULL)
 549                 return;
 550         voice = evoice->number;
 551         snd_emu10k1_voice_intr_disable(emu, voice);
 552         snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0);
 553         snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0);
 554         snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff);
 555         snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff);
 556         snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff);
 557         snd_emu10k1_ptr_write(emu, IP, voice, 0);
 558 }
 559
 560 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream,
 561                                         int cmd)
 562 {
 563         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 564         snd_pcm_runtime_t *runtime = substream->runtime;
 565         emu10k1_pcm_t *epcm = runtime->private_data;
 566         int result = 0;
 567
 568         // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream));
 569         spin_lock(&emu->reg_lock);
 570         switch (cmd) {
 571         case SNDRV_PCM_TRIGGER_START:
 572                 snd_emu10k1_playback_invalidate_cache(emu, epcm->extra);        /* do we need this? */
 573                 snd_emu10k1_playback_invalidate_cache(emu, epcm->voices[0]);
 574                 /* follow thru */
 575         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 576                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0);
 577                 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0);
 578                 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1);
 579                 epcm->running = 1;
 580                 break;
 581         case SNDRV_PCM_TRIGGER_STOP:
 582         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 583                 epcm->running = 0;
 584                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]);
 585                 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]);
 586                 snd_emu10k1_playback_stop_voice(emu, epcm->extra);
 587                 break;
 588         default:
 589                 result = -EINVAL;
 590                 break;
 591         }
 592         spin_unlock(&emu->reg_lock);
 593         return result;
 594 }
 595
 596 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream,
 597                                        int cmd)
 598 {
 599         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 600         snd_pcm_runtime_t *runtime = substream->runtime;
 601         emu10k1_pcm_t *epcm = runtime->private_data;
 602         int result = 0;
 603
 604         // printk("trigger - emu10k1 = %p, cmd = %i, pointer = %i\n", emu, cmd, substream->ops->pointer(substream));
 605         spin_lock(&emu->reg_lock);
 606         switch (cmd) {
 607         case SNDRV_PCM_TRIGGER_START:
 608                 outl(epcm->capture_ipr, emu->port + IPR);
 609                 snd_emu10k1_intr_enable(emu, epcm->capture_inte);
 610                 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs);
 611                 switch (epcm->type) {
 612                 case CAPTURE_AC97ADC:
 613                         snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val);
 614                         break;
 615                 case CAPTURE_EFX:
 616                         if (emu->audigy) {
 617                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val);
 618                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2);
 619                         } else
 620                                 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val);
 621                         break;
 622                 default:
 623                         break;
 624                 }
 625                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val);
 626                 epcm->running = 1;
 627                 epcm->first_ptr = 1;
 628                 break;
 629         case SNDRV_PCM_TRIGGER_STOP:
 630                 epcm->running = 0;
 631                 snd_emu10k1_intr_disable(emu, epcm->capture_inte);
 632                 outl(epcm->capture_ipr, emu->port + IPR);
 633                 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0);
 634                 switch (epcm->type) {
 635                 case CAPTURE_AC97ADC:
 636                         snd_emu10k1_ptr_write(emu, ADCCR, 0, 0);
 637                         break;
 638                 case CAPTURE_EFX:
 639                         if (emu->audigy) {
 640                                 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0);
 641                                 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0);
 642                         } else
 643                                 snd_emu10k1_ptr_write(emu, FXWC, 0, 0);
 644                         break;
 645                 default:
 646                         break;
 647                 }
 648                 break;
 649         default:
 650                 result = -EINVAL;
 651         }
 652         spin_unlock(&emu->reg_lock);
 653         return result;
 654 }
 655
 656 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream)
 657 {
 658         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 659         snd_pcm_runtime_t *runtime = substream->runtime;
 660         emu10k1_pcm_t *epcm = runtime->private_data;
 661         unsigned int ptr;
 662
 663         if (!epcm->running)
 664                 return 0;
 665         ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff;
 666 #if 0   /* Perex's code */
 667         ptr += runtime->buffer_size;
 668         ptr -= epcm->ccca_start_addr;
 669         ptr %= runtime->buffer_size;
 670 #else   /* EMU10K1 Open Source code from Creative */
 671         if (ptr < epcm->ccca_start_addr)
 672                 ptr += runtime->buffer_size - epcm->ccca_start_addr;
 673         else {
 674                 ptr -= epcm->ccca_start_addr;
 675                 if (ptr >= runtime->buffer_size)
 676                         ptr -= runtime->buffer_size;
 677         }
 678 #endif
 679         // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size);
 680         return ptr;
 681 }
 682
 683 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream)
 684 {
 685         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 686         snd_pcm_runtime_t *runtime = substream->runtime;
 687         emu10k1_pcm_t *epcm = runtime->private_data;
 688         unsigned int ptr;
 689
 690         if (!epcm->running)
 691                 return 0;
 692         if (epcm->first_ptr) {
 693                 udelay(50);     // hack, it takes awhile until capture is started
 694                 epcm->first_ptr = 0;
 695         }
 696         ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff;
 697         return bytes_to_frames(runtime, ptr);
 698 }
 699
 700 /*
 701  *  Playback support device description
 702  */
 703
 704 static snd_pcm_hardware_t snd_emu10k1_playback =
 705 {
 706         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 707                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 708                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE),
 709         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 710         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
 711         .rate_min =             4000,
 712         .rate_max =             48000,
 713         .channels_min =         1,
 714         .channels_max =         2,
 715         .buffer_bytes_max =     (128*1024),
 716         .period_bytes_min =     64,
 717         .period_bytes_max =     (128*1024),
 718         .periods_min =          1,
 719         .periods_max =          1024,
 720         .fifo_size =            0,
 721 };
 722
 723 /*
 724  *  Capture support device description
 725  */
 726
 727 static snd_pcm_hardware_t snd_emu10k1_capture =
 728 {
 729         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 730                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 731                                  SNDRV_PCM_INFO_MMAP_VALID),
 732         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 733         .rates =                SNDRV_PCM_RATE_8000_48000,
 734         .rate_min =             8000,
 735         .rate_max =             48000,
 736         .channels_min =         1,
 737         .channels_max =         2,
 738         .buffer_bytes_max =     (64*1024),
 739         .period_bytes_min =     384,
 740         .period_bytes_max =     (64*1024),
 741         .periods_min =          2,
 742         .periods_max =          2,
 743         .fifo_size =            0,
 744 };
 745
 746 /*
 747  *
 748  */
 749
 750 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate)
 751 {
 752         snd_ctl_elem_id_t id;
 753
 754         snd_runtime_check(kctl != NULL, return);
 755         if (activate)
 756                 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 757         else
 758                 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
 759         snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE |
 760                        SNDRV_CTL_EVENT_MASK_INFO,
 761                        snd_ctl_build_ioff(&id, kctl, idx));
 762 }
 763
 764 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate)
 765 {
 766         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate);
 767         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate);
 768         snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate);
 769 }
 770
 771 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
 772 {
 773         emu10k1_pcm_t *epcm = runtime->private_data;
 774
 775         kfree(epcm);
 776 }
 777
 778 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream)
 779 {
 780         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 781         emu10k1_pcm_t *epcm;
 782         emu10k1_pcm_mixer_t *mix;
 783         snd_pcm_runtime_t *runtime = substream->runtime;
 784         int i, err;
 785
 786         epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
 787         if (epcm == NULL)
 788                 return -ENOMEM;
 789         epcm->emu = emu;
 790         epcm->type = PLAYBACK_EMUVOICE;
 791         epcm->substream = substream;
 792         runtime->private_data = epcm;
 793         runtime->private_free = snd_emu10k1_pcm_free_substream;
 794         runtime->hw = snd_emu10k1_playback;
 795         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
 796                 kfree(epcm);
 797                 return err;
 798         }
 799         if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) {
 800                 kfree(epcm);
 801                 return err;
 802         }
 803         mix = &emu->pcm_mixer[substream->number];
 804         for (i = 0; i < 4; i++)
 805                 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i;
 806         memset(&mix->send_volume, 0, sizeof(mix->send_volume));
 807         mix->send_volume[0][0] = mix->send_volume[0][1] =
 808         mix->send_volume[1][0] = mix->send_volume[2][1] = 255;
 809         mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff;
 810         mix->epcm = epcm;
 811         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1);
 812         return 0;
 813 }
 814
 815 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream)
 816 {
 817         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 818         emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number];
 819
 820         mix->epcm = NULL;
 821         snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0);
 822         return 0;
 823 }
 824
 825 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream)
 826 {
 827         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 828         snd_pcm_runtime_t *runtime = substream->runtime;
 829         emu10k1_pcm_t *epcm;
 830
 831         epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
 832         if (epcm == NULL)
 833                 return -ENOMEM;
 834         epcm->emu = emu;
 835         epcm->type = CAPTURE_AC97ADC;
 836         epcm->substream = substream;
 837         epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL;
 838         epcm->capture_inte = INTE_ADCBUFENABLE;
 839         epcm->capture_ba_reg = ADCBA;
 840         epcm->capture_bs_reg = ADCBS;
 841         epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX;
 842         runtime->private_data = epcm;
 843         runtime->private_free = snd_emu10k1_pcm_free_substream;
 844         runtime->hw = snd_emu10k1_capture;
 845         emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt;
 846         emu->pcm_capture_substream = substream;
 847         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
 848         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates);
 849         return 0;
 850 }
 851
 852 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream)
 853 {
 854         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 855
 856         emu->capture_interrupt = NULL;
 857         emu->pcm_capture_substream = NULL;
 858         return 0;
 859 }
 860
 861 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream)
 862 {
 863         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 864         emu10k1_pcm_t *epcm;
 865         snd_pcm_runtime_t *runtime = substream->runtime;
 866
 867         epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
 868         if (epcm == NULL)
 869                 return -ENOMEM;
 870         epcm->emu = emu;
 871         epcm->type = CAPTURE_AC97MIC;
 872         epcm->substream = substream;
 873         epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL;
 874         epcm->capture_inte = INTE_MICBUFENABLE;
 875         epcm->capture_ba_reg = MICBA;
 876         epcm->capture_bs_reg = MICBS;
 877         epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX;
 878         substream->runtime->private_data = epcm;
 879         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
 880         runtime->hw = snd_emu10k1_capture;
 881         runtime->hw.rates = SNDRV_PCM_RATE_8000;
 882         runtime->hw.rate_min = runtime->hw.rate_max = 8000;
 883         runtime->hw.channels_min = 1;
 884         emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt;
 885         emu->pcm_capture_mic_substream = substream;
 886         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
 887         return 0;
 888 }
 889
 890 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream)
 891 {
 892         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 893
 894         emu->capture_interrupt = NULL;
 895         emu->pcm_capture_mic_substream = NULL;
 896         return 0;
 897 }
 898
 899 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream)
 900 {
 901         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 902         emu10k1_pcm_t *epcm;
 903         snd_pcm_runtime_t *runtime = substream->runtime;
 904         int nefx = emu->audigy ? 64 : 32;
 905         int idx;
 906
 907         epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
 908         if (epcm == NULL)
 909                 return -ENOMEM;
 910         epcm->emu = emu;
 911         epcm->type = CAPTURE_EFX;
 912         epcm->substream = substream;
 913         epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL;
 914         epcm->capture_inte = INTE_EFXBUFENABLE;
 915         epcm->capture_ba_reg = FXBA;
 916         epcm->capture_bs_reg = FXBS;
 917         epcm->capture_idx_reg = FXIDX;
 918         substream->runtime->private_data = epcm;
 919         substream->runtime->private_free = snd_emu10k1_pcm_free_substream;
 920         runtime->hw = snd_emu10k1_capture;
 921         runtime->hw.rates = SNDRV_PCM_RATE_48000;
 922         runtime->hw.rate_min = runtime->hw.rate_max = 48000;
 923         spin_lock_irq(&emu->reg_lock);
 924         runtime->hw.channels_min = runtime->hw.channels_max = 0;
 925         for (idx = 0; idx < nefx; idx++) {
 926                 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) {
 927                         runtime->hw.channels_min++;
 928                         runtime->hw.channels_max++;
 929                 }
 930         }
 931         epcm->capture_cr_val = emu->efx_voices_mask[0];
 932         epcm->capture_cr_val2 = emu->efx_voices_mask[1];
 933         spin_unlock_irq(&emu->reg_lock);
 934         emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt;
 935         emu->pcm_capture_efx_substream = substream;
 936         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes);
 937         return 0;
 938 }
 939
 940 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream)
 941 {
 942         emu10k1_t *emu = snd_pcm_substream_chip(substream);
 943
 944         emu->capture_interrupt = NULL;
 945         emu->pcm_capture_efx_substream = NULL;
 946         return 0;
 947 }
 948
 949 static snd_pcm_ops_t snd_emu10k1_playback_ops = {
 950         .open =                 snd_emu10k1_playback_open,
 951         .close =                snd_emu10k1_playback_close,
 952         .ioctl =                snd_pcm_lib_ioctl,
 953         .hw_params =            snd_emu10k1_playback_hw_params,
 954         .hw_free =              snd_emu10k1_playback_hw_free,
 955         .prepare =              snd_emu10k1_playback_prepare,
 956         .trigger =              snd_emu10k1_playback_trigger,
 957         .pointer =              snd_emu10k1_playback_pointer,
 958         .page =                 snd_pcm_sgbuf_ops_page,
 959 };
 960
 961 static snd_pcm_ops_t snd_emu10k1_capture_ops = {
 962         .open =                 snd_emu10k1_capture_open,
 963         .close =                snd_emu10k1_capture_close,
 964         .ioctl =                snd_pcm_lib_ioctl,
 965         .hw_params =            snd_emu10k1_capture_hw_params,
 966         .hw_free =              snd_emu10k1_capture_hw_free,
 967         .prepare =              snd_emu10k1_capture_prepare,
 968         .trigger =              snd_emu10k1_capture_trigger,
 969         .pointer =              snd_emu10k1_capture_pointer,
 970 };
 971
 972 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm)
 973 {
 974         emu10k1_t *emu = pcm->private_data;
 975         emu->pcm = NULL;
 976         snd_pcm_lib_preallocate_free_for_all(pcm);
 977 }
 978
 979 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
 980 {
 981         snd_pcm_t *pcm;
 982         snd_pcm_substream_t *substream;
 983         int err;
 984
 985         if (rpcm)
 986                 *rpcm = NULL;
 987
 988         if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0)
 989                 return err;
 990
 991         pcm->private_data = emu;
 992         pcm->private_free = snd_emu10k1_pcm_free;
 993
 994         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops);
 995         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops);
 996
 997         pcm->info_flags = 0;
 998         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 999         strcpy(pcm->name, "EMU10K1");
1000         emu->pcm = pcm;
1001
1002         for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
1003                 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0)
1004                         return err;
1005
1006         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next)
1007                 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1008
1009         if (rpcm)
1010                 *rpcm = pcm;
1011
1012         return 0;
1013 }
1014
1015 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = {
1016         .open =                 snd_emu10k1_capture_mic_open,
1017         .close =                snd_emu10k1_capture_mic_close,
1018         .ioctl =                snd_pcm_lib_ioctl,
1019         .hw_params =            snd_emu10k1_capture_hw_params,
1020         .hw_free =              snd_emu10k1_capture_hw_free,
1021         .prepare =              snd_emu10k1_capture_prepare,
1022         .trigger =              snd_emu10k1_capture_trigger,
1023         .pointer =              snd_emu10k1_capture_pointer,
1024 };
1025
1026 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm)
1027 {
1028         emu10k1_t *emu = pcm->private_data;
1029         emu->pcm_mic = NULL;
1030         snd_pcm_lib_preallocate_free_for_all(pcm);
1031 }
1032
1033 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1034 {
1035         snd_pcm_t *pcm;
1036         int err;
1037
1038         if (rpcm)
1039                 *rpcm = NULL;
1040
1041         if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0)
1042                 return err;
1043
1044         pcm->private_data = emu;
1045         pcm->private_free = snd_emu10k1_pcm_mic_free;
1046
1047         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops);
1048
1049         pcm->info_flags = 0;
1050         strcpy(pcm->name, "EMU10K1 MIC");
1051         emu->pcm_mic = pcm;
1052
1053         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1054
1055         if (rpcm)
1056                 *rpcm = pcm;
1057         return 0;
1058 }
1059
1060 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1061 {
1062         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1063         int nefx = emu->audigy ? 64 : 32;
1064         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1065         uinfo->count = nefx;
1066         uinfo->value.integer.min = 0;
1067         uinfo->value.integer.max = 1;
1068         return 0;
1069 }
1070
1071 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1072 {
1073         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1074         int nefx = emu->audigy ? 64 : 32;
1075         int idx;
1076
1077         spin_lock_irq(&emu->reg_lock);
1078         for (idx = 0; idx < nefx; idx++)
1079                 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0;
1080         spin_unlock_irq(&emu->reg_lock);
1081         return 0;
1082 }
1083
1084 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1085 {
1086         emu10k1_t *emu = snd_kcontrol_chip(kcontrol);
1087         unsigned int nval[2], bits;
1088         int nefx = emu->audigy ? 64 : 32;
1089         int nefxb = emu->audigy ? 7 : 6;
1090         int change, idx;
1091
1092         nval[0] = nval[1] = 0;
1093         for (idx = 0, bits = 0; idx < nefx; idx++)
1094                 if (ucontrol->value.integer.value[idx]) {
1095                         nval[idx / 32] |= 1 << (idx % 32);
1096                         bits++;
1097                 }
1098
1099         for (idx = 0; idx < nefxb; idx++)
1100                 if (1 << idx == bits)
1101                         break;
1102
1103         if (idx >= nefxb)
1104                 return -EINVAL;
1105
1106         spin_lock_irq(&emu->reg_lock);
1107         change = (nval[0] != emu->efx_voices_mask[0]) ||
1108                 (nval[1] != emu->efx_voices_mask[1]);
1109         emu->efx_voices_mask[0] = nval[0];
1110         emu->efx_voices_mask[1] = nval[1];
1111         spin_unlock_irq(&emu->reg_lock);
1112         return change;
1113 }
1114
1115 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = {
1116         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1117         .name = "EFX voices mask",
1118         .info = snd_emu10k1_pcm_efx_voices_mask_info,
1119         .get = snd_emu10k1_pcm_efx_voices_mask_get,
1120         .put = snd_emu10k1_pcm_efx_voices_mask_put
1121 };
1122
1123 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = {
1124         .open =                 snd_emu10k1_capture_efx_open,
1125         .close =                snd_emu10k1_capture_efx_close,
1126         .ioctl =                snd_pcm_lib_ioctl,
1127         .hw_params =            snd_emu10k1_capture_hw_params,
1128         .hw_free =              snd_emu10k1_capture_hw_free,
1129         .prepare =              snd_emu10k1_capture_prepare,
1130         .trigger =              snd_emu10k1_capture_trigger,
1131         .pointer =              snd_emu10k1_capture_pointer,
1132 };
1133
1134
1135 /* EFX playback */
1136
1137 #define INITIAL_TRAM_SHIFT     14
1138 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1)
1139
1140 static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data)
1141 {
1142         snd_pcm_substream_t *substream = private_data;
1143         snd_pcm_period_elapsed(substream);
1144 }
1145
1146 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left,
1147                                                    unsigned short *dst_right,
1148                                                    unsigned short *src,
1149                                                    unsigned int count,
1150                                                    unsigned int tram_shift)
1151 {
1152         // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count);
1153         if ((tram_shift & 1) == 0) {
1154                 while (count--) {
1155                         *dst_left-- = *src++;
1156                         *dst_right-- = *src++;
1157                 }
1158         } else {
1159                 while (count--) {
1160                         *dst_right-- = *src++;
1161                         *dst_left-- = *src++;
1162                 }
1163         }
1164 }
1165
1166 static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream,
1167                                  snd_pcm_indirect_t *rec, size_t bytes)
1168 {
1169         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1170         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1171         unsigned int tram_size = pcm->buffer_size;
1172         unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data);
1173         unsigned int frames = bytes >> 2, count;
1174         unsigned int tram_pos = pcm->tram_pos;
1175         unsigned int tram_shift = pcm->tram_shift;
1176
1177         while (frames > tram_pos) {
1178                 count = tram_pos + 1;
1179                 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1180                                                        (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1181                                                        src, count, tram_shift);
1182                 src += count * 2;
1183                 frames -= count;
1184                 tram_pos = (tram_size / 2) - 1;
1185                 tram_shift++;
1186         }
1187         snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos,
1188                                                (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2,
1189                                                src, frames, tram_shift);
1190         tram_pos -= frames;
1191         pcm->tram_pos = tram_pos;
1192         pcm->tram_shift = tram_shift;
1193 }
1194
1195 static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream)
1196 {
1197         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1198         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1199
1200         snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy);
1201         return 0;
1202 }
1203
1204 static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream,
1205                                                  snd_pcm_hw_params_t * hw_params)
1206 {
1207         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1208 }
1209
1210 static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream)
1211 {
1212         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1213         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1214         unsigned int i;
1215
1216         for (i = 0; i < pcm->channels; i++)
1217                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0);
1218         snd_pcm_lib_free_pages(substream);
1219         return 0;
1220 }
1221
1222 static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream)
1223 {
1224         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1225         snd_pcm_runtime_t *runtime = substream->runtime;
1226         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1227         unsigned int i;
1228
1229         // 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);
1230         memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec));
1231         pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */
1232         pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream);
1233         pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1234         pcm->tram_shift = 0;
1235         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0);     /* reset */
1236         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);     /* reset */
1237         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size);
1238         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0);         /* reset ptr number */
1239         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size);
1240         snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size);
1241         for (i = 0; i < pcm->channels; i++)
1242                 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels));
1243         return 0;
1244 }
1245
1246 static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd)
1247 {
1248         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1249         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1250         int result = 0;
1251
1252         spin_lock(&emu->reg_lock);
1253         switch (cmd) {
1254         case SNDRV_PCM_TRIGGER_START:
1255                 /* follow thru */
1256         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1257 #ifdef EMU10K1_SET_AC3_IEC958
1258         {
1259                 int i;
1260                 for (i = 0; i < 3; i++) {
1261                         unsigned int bits;
1262                         bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1263                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS |
1264                                0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA;
1265                         snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits);
1266                 }
1267         }
1268 #endif
1269                 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq);
1270                 if (result < 0)
1271                         goto __err;
1272                 snd_emu10k1_fx8010_playback_transfer(substream);        /* roll the ball */
1273                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1);
1274                 break;
1275         case SNDRV_PCM_TRIGGER_STOP:
1276         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1277                 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL;
1278                 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0);
1279                 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size);
1280                 pcm->tram_shift = 0;
1281                 break;
1282         default:
1283                 result = -EINVAL;
1284                 break;
1285         }
1286       __err:
1287         spin_unlock(&emu->reg_lock);
1288         return result;
1289 }
1290
1291 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream)
1292 {
1293         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1294         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1295         size_t ptr; /* byte pointer */
1296
1297         if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0))
1298                 return 0;
1299         ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2;
1300         return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
1301 }
1302
1303 static snd_pcm_hardware_t snd_emu10k1_fx8010_playback =
1304 {
1305         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1306                                  /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE),
1307         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1308         .rates =                SNDRV_PCM_RATE_48000,
1309         .rate_min =             48000,
1310         .rate_max =             48000,
1311         .channels_min =         1,
1312         .channels_max =         1,
1313         .buffer_bytes_max =     (128*1024),
1314         .period_bytes_min =     1024,
1315         .period_bytes_max =     (128*1024),
1316         .periods_min =          1,
1317         .periods_max =          1024,
1318         .fifo_size =            0,
1319 };
1320
1321 static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream)
1322 {
1323         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1324         snd_pcm_runtime_t *runtime = substream->runtime;
1325         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1326
1327         runtime->hw = snd_emu10k1_fx8010_playback;
1328         runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels;
1329         runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2;
1330         spin_lock_irq(&emu->reg_lock);
1331         if (pcm->valid == 0) {
1332                 spin_unlock_irq(&emu->reg_lock);
1333                 return -ENODEV;
1334         }
1335         pcm->opened = 1;
1336         spin_unlock_irq(&emu->reg_lock);
1337         return 0;
1338 }
1339
1340 static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream)
1341 {
1342         emu10k1_t *emu = snd_pcm_substream_chip(substream);
1343         snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number];
1344
1345         spin_lock_irq(&emu->reg_lock);
1346         pcm->opened = 0;
1347         spin_unlock_irq(&emu->reg_lock);
1348         return 0;
1349 }
1350
1351 static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = {
1352         .open =                 snd_emu10k1_fx8010_playback_open,
1353         .close =                snd_emu10k1_fx8010_playback_close,
1354         .ioctl =                snd_pcm_lib_ioctl,
1355         .hw_params =            snd_emu10k1_fx8010_playback_hw_params,
1356         .hw_free =              snd_emu10k1_fx8010_playback_hw_free,
1357         .prepare =              snd_emu10k1_fx8010_playback_prepare,
1358         .trigger =              snd_emu10k1_fx8010_playback_trigger,
1359         .pointer =              snd_emu10k1_fx8010_playback_pointer,
1360         .ack =                  snd_emu10k1_fx8010_playback_transfer,
1361 };
1362
1363 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm)
1364 {
1365         emu10k1_t *emu = pcm->private_data;
1366         emu->pcm_efx = NULL;
1367         snd_pcm_lib_preallocate_free_for_all(pcm);
1368 }
1369
1370 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm)
1371 {
1372         snd_pcm_t *pcm;
1373         int err;
1374
1375         if (rpcm)
1376                 *rpcm = NULL;
1377
1378         if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0)
1379                 return err;
1380
1381         pcm->private_data = emu;
1382         pcm->private_free = snd_emu10k1_pcm_efx_free;
1383
1384         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops);
1385         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops);
1386
1387         pcm->info_flags = 0;
1388         strcpy(pcm->name, "EMU10K1 EFX");
1389         emu->pcm_efx = pcm;
1390         if (rpcm)
1391                 *rpcm = pcm;
1392
1393         emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A;
1394         emu->efx_voices_mask[1] = 0;
1395         snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu));
1396
1397         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);
1398
1399         return 0;
1400 }