1/* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Creative Labs, Inc. 4 * Routines for control of EMU10K1 chips / PCM routines 5 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 6 * 7 * BUGS: 8 * -- 9 * 10 * TODO: 11 * -- 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26 * 27 */ 28 29#include <linux/pci.h> 30#include <linux/delay.h> 31#include <linux/slab.h> 32#include <linux/time.h> 33#include <linux/init.h> 34#include <sound/core.h> 35#include <sound/emu10k1.h> 36 37static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, 38 struct snd_emu10k1_voice *voice) 39{ 40 struct snd_emu10k1_pcm *epcm; 41 42 if ((epcm = voice->epcm) == NULL) 43 return; 44 if (epcm->substream == NULL) 45 return; 46 snd_pcm_period_elapsed(epcm->substream); 47} 48 49static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 50 unsigned int status) 51{ 52 snd_pcm_period_elapsed(emu->pcm_capture_substream); 53} 54 55static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 56 unsigned int status) 57{ 58 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 59} 60 61static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 62 unsigned int status) 63{ 64 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 65} 66 67static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 68{ 69 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 70 struct snd_pcm_runtime *runtime = substream->runtime; 71 struct snd_emu10k1_pcm *epcm = runtime->private_data; 72 unsigned int ptr; 73 74 if (!epcm->running) 75 return 0; 76 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 77 ptr += runtime->buffer_size; 78 ptr -= epcm->ccca_start_addr; 79 ptr %= runtime->buffer_size; 80 81 return ptr; 82} 83 84static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 85{ 86 int err, i; 87 88 if (epcm->voices[1] != NULL && voices < 2) { 89 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 90 epcm->voices[1] = NULL; 91 } 92 for (i = 0; i < voices; i++) { 93 if (epcm->voices[i] == NULL) 94 break; 95 } 96 if (i == voices) 97 return 0; /* already allocated */ 98 99 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 100 if (epcm->voices[i]) { 101 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 102 epcm->voices[i] = NULL; 103 } 104 } 105 err = snd_emu10k1_voice_alloc(epcm->emu, 106 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 107 voices, 108 &epcm->voices[0]); 109 110 if (err < 0) 111 return err; 112 epcm->voices[0]->epcm = epcm; 113 if (voices > 1) { 114 for (i = 1; i < voices; i++) { 115 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 116 epcm->voices[i]->epcm = epcm; 117 } 118 } 119 if (epcm->extra == NULL) { 120 err = snd_emu10k1_voice_alloc(epcm->emu, 121 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 122 1, 123 &epcm->extra); 124 if (err < 0) { 125 /* 126 printk(KERN_DEBUG "pcm_channel_alloc: " 127 "failed extra: voices=%d, frame=%d\n", 128 voices, frame); 129 */ 130 for (i = 0; i < voices; i++) { 131 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 132 epcm->voices[i] = NULL; 133 } 134 return err; 135 } 136 epcm->extra->epcm = epcm; 137 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 138 } 139 return 0; 140} 141 142static unsigned int capture_period_sizes[31] = { 143 384, 448, 512, 640, 144 384*2, 448*2, 512*2, 640*2, 145 384*4, 448*4, 512*4, 640*4, 146 384*8, 448*8, 512*8, 640*8, 147 384*16, 448*16, 512*16, 640*16, 148 384*32, 448*32, 512*32, 640*32, 149 384*64, 448*64, 512*64, 640*64, 150 384*128,448*128,512*128 151}; 152 153static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 154 .count = 31, 155 .list = capture_period_sizes, 156 .mask = 0 157}; 158 159static unsigned int capture_rates[8] = { 160 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 161}; 162 163static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 164 .count = 8, 165 .list = capture_rates, 166 .mask = 0 167}; 168 169static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 170{ 171 switch (rate) { 172 case 8000: return ADCCR_SAMPLERATE_8; 173 case 11025: return ADCCR_SAMPLERATE_11; 174 case 16000: return ADCCR_SAMPLERATE_16; 175 case 22050: return ADCCR_SAMPLERATE_22; 176 case 24000: return ADCCR_SAMPLERATE_24; 177 case 32000: return ADCCR_SAMPLERATE_32; 178 case 44100: return ADCCR_SAMPLERATE_44; 179 case 48000: return ADCCR_SAMPLERATE_48; 180 default: 181 snd_BUG(); 182 return ADCCR_SAMPLERATE_8; 183 } 184} 185 186static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 187{ 188 switch (rate) { 189 case 8000: return A_ADCCR_SAMPLERATE_8; 190 case 11025: return A_ADCCR_SAMPLERATE_11; 191 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 192 case 16000: return ADCCR_SAMPLERATE_16; 193 case 22050: return ADCCR_SAMPLERATE_22; 194 case 24000: return ADCCR_SAMPLERATE_24; 195 case 32000: return ADCCR_SAMPLERATE_32; 196 case 44100: return ADCCR_SAMPLERATE_44; 197 case 48000: return ADCCR_SAMPLERATE_48; 198 default: 199 snd_BUG(); 200 return A_ADCCR_SAMPLERATE_8; 201 } 202} 203 204static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 205{ 206 unsigned int pitch_target; 207 208 pitch_target = (rate << 8) / 375; 209 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 210 return pitch_target; 211} 212 213#define PITCH_48000 0x00004000 214#define PITCH_96000 0x00008000 215#define PITCH_85000 0x00007155 216#define PITCH_80726 0x00006ba2 217#define PITCH_67882 0x00005a82 218#define PITCH_57081 0x00004c1c 219 220static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 221{ 222 if (pitch_target == PITCH_48000) 223 return CCCA_INTERPROM_0; 224 else if (pitch_target < PITCH_48000) 225 return CCCA_INTERPROM_1; 226 else if (pitch_target >= PITCH_96000) 227 return CCCA_INTERPROM_0; 228 else if (pitch_target >= PITCH_85000) 229 return CCCA_INTERPROM_6; 230 else if (pitch_target >= PITCH_80726) 231 return CCCA_INTERPROM_5; 232 else if (pitch_target >= PITCH_67882) 233 return CCCA_INTERPROM_4; 234 else if (pitch_target >= PITCH_57081) 235 return CCCA_INTERPROM_3; 236 else 237 return CCCA_INTERPROM_2; 238} 239 240/* 241 * calculate cache invalidate size 242 * 243 * stereo: channel is stereo 244 * w_16: using 16bit samples 245 * 246 * returns: cache invalidate size in samples 247 */ 248static inline int emu10k1_ccis(int stereo, int w_16) 249{ 250 if (w_16) { 251 return stereo ? 24 : 26; 252 } else { 253 return stereo ? 24*2 : 26*2; 254 } 255} 256 257static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 258 int master, int extra, 259 struct snd_emu10k1_voice *evoice, 260 unsigned int start_addr, 261 unsigned int end_addr, 262 struct snd_emu10k1_pcm_mixer *mix) 263{ 264 struct snd_pcm_substream *substream = evoice->epcm->substream; 265 struct snd_pcm_runtime *runtime = substream->runtime; 266 unsigned int silent_page, tmp; 267 int voice, stereo, w_16; 268 unsigned char attn, send_amount[8]; 269 unsigned char send_routing[8]; 270 unsigned long flags; 271 unsigned int pitch_target; 272 unsigned int ccis; 273 274 voice = evoice->number; 275 stereo = runtime->channels == 2; 276 w_16 = snd_pcm_format_width(runtime->format) == 16; 277 278 if (!extra && stereo) { 279 start_addr >>= 1; 280 end_addr >>= 1; 281 } 282 if (w_16) { 283 start_addr >>= 1; 284 end_addr >>= 1; 285 } 286 287 spin_lock_irqsave(&emu->reg_lock, flags); 288 289 /* volume parameters */ 290 if (extra) { 291 attn = 0; 292 memset(send_routing, 0, sizeof(send_routing)); 293 send_routing[0] = 0; 294 send_routing[1] = 1; 295 send_routing[2] = 2; 296 send_routing[3] = 3; 297 memset(send_amount, 0, sizeof(send_amount)); 298 } else { 299 /* mono, left, right (master voice = left) */ 300 tmp = stereo ? (master ? 1 : 2) : 0; 301 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 302 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 303 } 304 305 ccis = emu10k1_ccis(stereo, w_16); 306 307 if (master) { 308 evoice->epcm->ccca_start_addr = start_addr + ccis; 309 if (extra) { 310 start_addr += ccis; 311 end_addr += ccis + emu->delay_pcm_irq; 312 } 313 if (stereo && !extra) { 314 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 315 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 316 } else { 317 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 318 } 319 } 320 321 /* setup routing */ 322 if (emu->audigy) { 323 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 324 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 325 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 326 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 327 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 328 ((unsigned int)send_amount[4] << 24) | 329 ((unsigned int)send_amount[5] << 16) | 330 ((unsigned int)send_amount[6] << 8) | 331 (unsigned int)send_amount[7]); 332 } else 333 snd_emu10k1_ptr_write(emu, FXRT, voice, 334 snd_emu10k1_compose_send_routing(send_routing)); 335 /* Stop CA */ 336 /* Assumption that PT is already 0 so no harm overwriting */ 337 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 338 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 339 snd_emu10k1_ptr_write(emu, PSST, voice, 340 (start_addr + (extra ? emu->delay_pcm_irq : 0)) | 341 (send_amount[2] << 24)); 342 if (emu->card_capabilities->emu_model) 343 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 344 else 345 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 346 if (extra) 347 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 348 emu10k1_select_interprom(pitch_target) | 349 (w_16 ? 0 : CCCA_8BITSELECT)); 350 else 351 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 352 emu10k1_select_interprom(pitch_target) | 353 (w_16 ? 0 : CCCA_8BITSELECT)); 354 /* Clear filter delay memory */ 355 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 356 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 357 /* invalidate maps */ 358 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; 359 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 360 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 361 /* modulation envelope */ 362 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 363 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 364 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 365 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 366 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 367 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 368 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 369 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 370 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 371 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 372 /* volume envelope */ 373 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 374 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 375 /* filter envelope */ 376 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 377 /* pitch envelope */ 378 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 379 380 spin_unlock_irqrestore(&emu->reg_lock, flags); 381} 382 383static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 384 struct snd_pcm_hw_params *hw_params) 385{ 386 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 387 struct snd_pcm_runtime *runtime = substream->runtime; 388 struct snd_emu10k1_pcm *epcm = runtime->private_data; 389 int err; 390 391 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 392 return err; 393 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 394 return err; 395 if (err > 0) { /* change */ 396 int mapped; 397 if (epcm->memblk != NULL) 398 snd_emu10k1_free_pages(emu, epcm->memblk); 399 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 400 epcm->start_addr = 0; 401 if (! epcm->memblk) 402 return -ENOMEM; 403 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 404 if (mapped < 0) 405 return -ENOMEM; 406 epcm->start_addr = mapped << PAGE_SHIFT; 407 } 408 return 0; 409} 410 411static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 412{ 413 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 414 struct snd_pcm_runtime *runtime = substream->runtime; 415 struct snd_emu10k1_pcm *epcm; 416 417 if (runtime->private_data == NULL) 418 return 0; 419 epcm = runtime->private_data; 420 if (epcm->extra) { 421 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 422 epcm->extra = NULL; 423 } 424 if (epcm->voices[1]) { 425 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 426 epcm->voices[1] = NULL; 427 } 428 if (epcm->voices[0]) { 429 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 430 epcm->voices[0] = NULL; 431 } 432 if (epcm->memblk) { 433 snd_emu10k1_free_pages(emu, epcm->memblk); 434 epcm->memblk = NULL; 435 epcm->start_addr = 0; 436 } 437 snd_pcm_lib_free_pages(substream); 438 return 0; 439} 440 441static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 442{ 443 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 444 struct snd_pcm_runtime *runtime = substream->runtime; 445 struct snd_emu10k1_pcm *epcm; 446 int i; 447 448 if (runtime->private_data == NULL) 449 return 0; 450 epcm = runtime->private_data; 451 if (epcm->extra) { 452 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 453 epcm->extra = NULL; 454 } 455 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 456 if (epcm->voices[i]) { 457 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 458 epcm->voices[i] = NULL; 459 } 460 } 461 if (epcm->memblk) { 462 snd_emu10k1_free_pages(emu, epcm->memblk); 463 epcm->memblk = NULL; 464 epcm->start_addr = 0; 465 } 466 snd_pcm_lib_free_pages(substream); 467 return 0; 468} 469 470static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 471{ 472 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 473 struct snd_pcm_runtime *runtime = substream->runtime; 474 struct snd_emu10k1_pcm *epcm = runtime->private_data; 475 unsigned int start_addr, end_addr; 476 477 start_addr = epcm->start_addr; 478 end_addr = snd_pcm_lib_period_bytes(substream); 479 if (runtime->channels == 2) { 480 start_addr >>= 1; 481 end_addr >>= 1; 482 } 483 end_addr += start_addr; 484 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 485 start_addr, end_addr, NULL); 486 start_addr = epcm->start_addr; 487 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 488 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 489 start_addr, end_addr, 490 &emu->pcm_mixer[substream->number]); 491 if (epcm->voices[1]) 492 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 493 start_addr, end_addr, 494 &emu->pcm_mixer[substream->number]); 495 return 0; 496} 497 498static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 499{ 500 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 501 struct snd_pcm_runtime *runtime = substream->runtime; 502 struct snd_emu10k1_pcm *epcm = runtime->private_data; 503 unsigned int start_addr, end_addr; 504 unsigned int channel_size; 505 int i; 506 507 start_addr = epcm->start_addr; 508 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 509 510 /* 511 * the kX driver leaves some space between voices 512 */ 513 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 514 515 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 516 start_addr, start_addr + (channel_size / 2), NULL); 517 518 /* only difference with the master voice is we use it for the pointer */ 519 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 520 start_addr, start_addr + channel_size, 521 &emu->efx_pcm_mixer[0]); 522 523 start_addr += channel_size; 524 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 525 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 526 start_addr, start_addr + channel_size, 527 &emu->efx_pcm_mixer[i]); 528 start_addr += channel_size; 529 } 530 531 return 0; 532} 533 534static struct snd_pcm_hardware snd_emu10k1_efx_playback = 535{ 536 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 537 SNDRV_PCM_INFO_BLOCK_TRANSFER | 538 SNDRV_PCM_INFO_RESUME | 539 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 540 .formats = SNDRV_PCM_FMTBIT_S16_LE, 541 .rates = SNDRV_PCM_RATE_48000, 542 .rate_min = 48000, 543 .rate_max = 48000, 544 .channels_min = NUM_EFX_PLAYBACK, 545 .channels_max = NUM_EFX_PLAYBACK, 546 .buffer_bytes_max = (64*1024), 547 .period_bytes_min = 64, 548 .period_bytes_max = (64*1024), 549 .periods_min = 2, 550 .periods_max = 2, 551 .fifo_size = 0, 552}; 553 554static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 555 struct snd_pcm_hw_params *hw_params) 556{ 557 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 558} 559 560static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 561{ 562 return snd_pcm_lib_free_pages(substream); 563} 564 565static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 566{ 567 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 568 struct snd_pcm_runtime *runtime = substream->runtime; 569 struct snd_emu10k1_pcm *epcm = runtime->private_data; 570 int idx; 571 572 /* zeroing the buffer size will stop capture */ 573 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 574 switch (epcm->type) { 575 case CAPTURE_AC97ADC: 576 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 577 break; 578 case CAPTURE_EFX: 579 if (emu->audigy) { 580 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 581 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 582 } else 583 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 584 break; 585 default: 586 break; 587 } 588 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 589 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 590 epcm->capture_bs_val = 0; 591 for (idx = 0; idx < 31; idx++) { 592 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 593 epcm->capture_bs_val = idx + 1; 594 break; 595 } 596 } 597 if (epcm->capture_bs_val == 0) { 598 snd_BUG(); 599 epcm->capture_bs_val++; 600 } 601 if (epcm->type == CAPTURE_AC97ADC) { 602 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 603 if (runtime->channels > 1) 604 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 605 epcm->capture_cr_val |= emu->audigy ? 606 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 607 snd_emu10k1_capture_rate_reg(runtime->rate); 608 } 609 return 0; 610} 611 612static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 613{ 614 struct snd_pcm_runtime *runtime; 615 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 616 617 if (evoice == NULL) 618 return; 619 runtime = evoice->epcm->substream->runtime; 620 voice = evoice->number; 621 stereo = (!extra && runtime->channels == 2); 622 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 623 ccis = emu10k1_ccis(stereo, sample == 0); 624 /* set cs to 2 * number of cache registers beside the invalidated */ 625 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 626 if (cs > 16) cs = 16; 627 for (i = 0; i < cs; i++) { 628 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 629 if (stereo) { 630 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 631 } 632 } 633 /* reset cache */ 634 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 635 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 636 if (stereo) { 637 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 638 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 639 } 640 /* fill cache */ 641 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 642 if (stereo) { 643 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 644 } 645} 646 647static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 648 int master, int extra, 649 struct snd_emu10k1_pcm_mixer *mix) 650{ 651 struct snd_pcm_substream *substream; 652 struct snd_pcm_runtime *runtime; 653 unsigned int attn, vattn; 654 unsigned int voice, tmp; 655 656 if (evoice == NULL) /* skip second voice for mono */ 657 return; 658 substream = evoice->epcm->substream; 659 runtime = substream->runtime; 660 voice = evoice->number; 661 662 attn = extra ? 0 : 0x00ff; 663 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 664 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 665 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 666 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 667 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 668 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 669 snd_emu10k1_voice_clear_loop_stop(emu, voice); 670} 671 672static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 673{ 674 struct snd_pcm_substream *substream; 675 struct snd_pcm_runtime *runtime; 676 unsigned int voice, pitch, pitch_target; 677 678 if (evoice == NULL) /* skip second voice for mono */ 679 return; 680 substream = evoice->epcm->substream; 681 runtime = substream->runtime; 682 voice = evoice->number; 683 684 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 685 if (emu->card_capabilities->emu_model) 686 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 687 else 688 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 689 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 690 if (master || evoice->epcm->type == PLAYBACK_EFX) 691 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 692 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 693 if (extra) 694 snd_emu10k1_voice_intr_enable(emu, voice); 695} 696 697static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 698{ 699 unsigned int voice; 700 701 if (evoice == NULL) 702 return; 703 voice = evoice->number; 704 snd_emu10k1_voice_intr_disable(emu, voice); 705 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 706 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 707 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 708 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 709 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 710 snd_emu10k1_ptr_write(emu, IP, voice, 0); 711} 712 713static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 714 struct snd_emu10k1_pcm *epcm, 715 struct snd_pcm_substream *substream, 716 struct snd_pcm_runtime *runtime) 717{ 718 unsigned int ptr, period_pos; 719 720 /* try to sychronize the current position for the interrupt 721 source voice */ 722 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 723 period_pos %= runtime->period_size; 724 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 725 ptr &= ~0x00ffffff; 726 ptr |= epcm->ccca_start_addr + period_pos; 727 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 728} 729 730static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 731 int cmd) 732{ 733 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 734 struct snd_pcm_runtime *runtime = substream->runtime; 735 struct snd_emu10k1_pcm *epcm = runtime->private_data; 736 struct snd_emu10k1_pcm_mixer *mix; 737 int result = 0; 738 739 /* 740 printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 741 (int)emu, cmd, substream->ops->pointer(substream)) 742 */ 743 spin_lock(&emu->reg_lock); 744 switch (cmd) { 745 case SNDRV_PCM_TRIGGER_START: 746 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 747 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 748 /* follow thru */ 749 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 750 case SNDRV_PCM_TRIGGER_RESUME: 751 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 752 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 753 mix = &emu->pcm_mixer[substream->number]; 754 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 755 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 756 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 757 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 758 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 759 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 760 epcm->running = 1; 761 break; 762 case SNDRV_PCM_TRIGGER_STOP: 763 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 764 case SNDRV_PCM_TRIGGER_SUSPEND: 765 epcm->running = 0; 766 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 767 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 768 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 769 break; 770 default: 771 result = -EINVAL; 772 break; 773 } 774 spin_unlock(&emu->reg_lock); 775 return result; 776} 777 778static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 779 int cmd) 780{ 781 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 782 struct snd_pcm_runtime *runtime = substream->runtime; 783 struct snd_emu10k1_pcm *epcm = runtime->private_data; 784 int result = 0; 785 786 spin_lock(&emu->reg_lock); 787 switch (cmd) { 788 case SNDRV_PCM_TRIGGER_START: 789 case SNDRV_PCM_TRIGGER_RESUME: 790 /* hmm this should cause full and half full interrupt to be raised? */ 791 outl(epcm->capture_ipr, emu->port + IPR); 792 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 793 /* 794 printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n", 795 epcm->adccr, epcm->adcbs); 796 */ 797 switch (epcm->type) { 798 case CAPTURE_AC97ADC: 799 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 800 break; 801 case CAPTURE_EFX: 802 if (emu->audigy) { 803 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 804 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 805 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); 806 } else 807 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 808 break; 809 default: 810 break; 811 } 812 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 813 epcm->running = 1; 814 epcm->first_ptr = 1; 815 break; 816 case SNDRV_PCM_TRIGGER_STOP: 817 case SNDRV_PCM_TRIGGER_SUSPEND: 818 epcm->running = 0; 819 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 820 outl(epcm->capture_ipr, emu->port + IPR); 821 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 822 switch (epcm->type) { 823 case CAPTURE_AC97ADC: 824 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 825 break; 826 case CAPTURE_EFX: 827 if (emu->audigy) { 828 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 829 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 830 } else 831 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 832 break; 833 default: 834 break; 835 } 836 break; 837 default: 838 result = -EINVAL; 839 } 840 spin_unlock(&emu->reg_lock); 841 return result; 842} 843 844static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 845{ 846 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 847 struct snd_pcm_runtime *runtime = substream->runtime; 848 struct snd_emu10k1_pcm *epcm = runtime->private_data; 849 unsigned int ptr; 850 851 if (!epcm->running) 852 return 0; 853 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 854 if (ptr < epcm->ccca_start_addr) 855 ptr += runtime->buffer_size - epcm->ccca_start_addr; 856 else { 857 ptr -= epcm->ccca_start_addr; 858 if (ptr >= runtime->buffer_size) 859 ptr -= runtime->buffer_size; 860 } 861 /* 862 printk(KERN_DEBUG 863 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 864 (long)ptr, (long)runtime->buffer_size, 865 (long)runtime->period_size); 866 */ 867 return ptr; 868} 869 870 871static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 872 int cmd) 873{ 874 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 875 struct snd_pcm_runtime *runtime = substream->runtime; 876 struct snd_emu10k1_pcm *epcm = runtime->private_data; 877 int i; 878 int result = 0; 879 880 spin_lock(&emu->reg_lock); 881 switch (cmd) { 882 case SNDRV_PCM_TRIGGER_START: 883 /* prepare voices */ 884 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 885 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 886 } 887 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 888 889 /* follow thru */ 890 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 891 case SNDRV_PCM_TRIGGER_RESUME: 892 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 893 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 894 &emu->efx_pcm_mixer[0]); 895 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 896 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 897 &emu->efx_pcm_mixer[i]); 898 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 899 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 900 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 901 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 902 epcm->running = 1; 903 break; 904 case SNDRV_PCM_TRIGGER_SUSPEND: 905 case SNDRV_PCM_TRIGGER_STOP: 906 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 907 epcm->running = 0; 908 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 909 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 910 } 911 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 912 break; 913 default: 914 result = -EINVAL; 915 break; 916 } 917 spin_unlock(&emu->reg_lock); 918 return result; 919} 920 921 922static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 923{ 924 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 925 struct snd_pcm_runtime *runtime = substream->runtime; 926 struct snd_emu10k1_pcm *epcm = runtime->private_data; 927 unsigned int ptr; 928 929 if (!epcm->running) 930 return 0; 931 if (epcm->first_ptr) { 932 udelay(50); /* hack, it takes awhile until capture is started */ 933 epcm->first_ptr = 0; 934 } 935 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 936 return bytes_to_frames(runtime, ptr); 937} 938 939/* 940 * Playback support device description 941 */ 942 943static struct snd_pcm_hardware snd_emu10k1_playback = 944{ 945 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 946 SNDRV_PCM_INFO_BLOCK_TRANSFER | 947 SNDRV_PCM_INFO_RESUME | 948 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 949 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 950 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 951 .rate_min = 4000, 952 .rate_max = 96000, 953 .channels_min = 1, 954 .channels_max = 2, 955 .buffer_bytes_max = (128*1024), 956 .period_bytes_min = 64, 957 .period_bytes_max = (128*1024), 958 .periods_min = 1, 959 .periods_max = 1024, 960 .fifo_size = 0, 961}; 962 963/* 964 * Capture support device description 965 */ 966 967static struct snd_pcm_hardware snd_emu10k1_capture = 968{ 969 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 970 SNDRV_PCM_INFO_BLOCK_TRANSFER | 971 SNDRV_PCM_INFO_RESUME | 972 SNDRV_PCM_INFO_MMAP_VALID), 973 .formats = SNDRV_PCM_FMTBIT_S16_LE, 974 .rates = SNDRV_PCM_RATE_8000_48000, 975 .rate_min = 8000, 976 .rate_max = 48000, 977 .channels_min = 1, 978 .channels_max = 2, 979 .buffer_bytes_max = (64*1024), 980 .period_bytes_min = 384, 981 .period_bytes_max = (64*1024), 982 .periods_min = 2, 983 .periods_max = 2, 984 .fifo_size = 0, 985}; 986 987static struct snd_pcm_hardware snd_emu10k1_capture_efx = 988{ 989 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 990 SNDRV_PCM_INFO_BLOCK_TRANSFER | 991 SNDRV_PCM_INFO_RESUME | 992 SNDRV_PCM_INFO_MMAP_VALID), 993 .formats = SNDRV_PCM_FMTBIT_S16_LE, 994 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 995 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 996 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 997 .rate_min = 44100, 998 .rate_max = 192000, 999 .channels_min = 8, 1000 .channels_max = 8, 1001 .buffer_bytes_max = (64*1024), 1002 .period_bytes_min = 384, 1003 .period_bytes_max = (64*1024), 1004 .periods_min = 2, 1005 .periods_max = 2, 1006 .fifo_size = 0, 1007}; 1008 1009/* 1010 * 1011 */ 1012 1013static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1014{ 1015 struct snd_ctl_elem_id id; 1016 1017 if (! kctl) 1018 return; 1019 if (activate) 1020 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1021 else 1022 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1023 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1024 SNDRV_CTL_EVENT_MASK_INFO, 1025 snd_ctl_build_ioff(&id, kctl, idx)); 1026} 1027 1028static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1029{ 1030 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1031 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1032 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1033} 1034 1035static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1036{ 1037 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1038 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1039 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1040} 1041 1042static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1043{ 1044 kfree(runtime->private_data); 1045} 1046 1047static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1048{ 1049 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1050 struct snd_emu10k1_pcm_mixer *mix; 1051 int i; 1052 1053 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1054 mix = &emu->efx_pcm_mixer[i]; 1055 mix->epcm = NULL; 1056 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1057 } 1058 return 0; 1059} 1060 1061static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1062{ 1063 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1064 struct snd_emu10k1_pcm *epcm; 1065 struct snd_emu10k1_pcm_mixer *mix; 1066 struct snd_pcm_runtime *runtime = substream->runtime; 1067 int i; 1068 1069 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1070 if (epcm == NULL) 1071 return -ENOMEM; 1072 epcm->emu = emu; 1073 epcm->type = PLAYBACK_EFX; 1074 epcm->substream = substream; 1075 1076 emu->pcm_playback_efx_substream = substream; 1077 1078 runtime->private_data = epcm; 1079 runtime->private_free = snd_emu10k1_pcm_free_substream; 1080 runtime->hw = snd_emu10k1_efx_playback; 1081 1082 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1083 mix = &emu->efx_pcm_mixer[i]; 1084 mix->send_routing[0][0] = i; 1085 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1086 mix->send_volume[0][0] = 255; 1087 mix->attn[0] = 0xffff; 1088 mix->epcm = epcm; 1089 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1090 } 1091 return 0; 1092} 1093 1094static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1095{ 1096 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1097 struct snd_emu10k1_pcm *epcm; 1098 struct snd_emu10k1_pcm_mixer *mix; 1099 struct snd_pcm_runtime *runtime = substream->runtime; 1100 int i, err; 1101 1102 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1103 if (epcm == NULL) 1104 return -ENOMEM; 1105 epcm->emu = emu; 1106 epcm->type = PLAYBACK_EMUVOICE; 1107 epcm->substream = substream; 1108 runtime->private_data = epcm; 1109 runtime->private_free = snd_emu10k1_pcm_free_substream; 1110 runtime->hw = snd_emu10k1_playback; 1111 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1112 kfree(epcm); 1113 return err; 1114 } 1115 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1116 kfree(epcm); 1117 return err; 1118 } 1119 mix = &emu->pcm_mixer[substream->number]; 1120 for (i = 0; i < 4; i++) 1121 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1122 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1123 mix->send_volume[0][0] = mix->send_volume[0][1] = 1124 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1125 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1126 mix->epcm = epcm; 1127 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1128 return 0; 1129} 1130 1131static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1132{ 1133 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1134 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1135 1136 mix->epcm = NULL; 1137 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1138 return 0; 1139} 1140 1141static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1142{ 1143 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1144 struct snd_pcm_runtime *runtime = substream->runtime; 1145 struct snd_emu10k1_pcm *epcm; 1146 1147 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1148 if (epcm == NULL) 1149 return -ENOMEM; 1150 epcm->emu = emu; 1151 epcm->type = CAPTURE_AC97ADC; 1152 epcm->substream = substream; 1153 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1154 epcm->capture_inte = INTE_ADCBUFENABLE; 1155 epcm->capture_ba_reg = ADCBA; 1156 epcm->capture_bs_reg = ADCBS; 1157 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1158 runtime->private_data = epcm; 1159 runtime->private_free = snd_emu10k1_pcm_free_substream; 1160 runtime->hw = snd_emu10k1_capture; 1161 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1162 emu->pcm_capture_substream = substream; 1163 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1164 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1165 return 0; 1166} 1167 1168static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1169{ 1170 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1171 1172 emu->capture_interrupt = NULL; 1173 emu->pcm_capture_substream = NULL; 1174 return 0; 1175} 1176 1177static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1178{ 1179 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1180 struct snd_emu10k1_pcm *epcm; 1181 struct snd_pcm_runtime *runtime = substream->runtime; 1182 1183 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1184 if (epcm == NULL) 1185 return -ENOMEM; 1186 epcm->emu = emu; 1187 epcm->type = CAPTURE_AC97MIC; 1188 epcm->substream = substream; 1189 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1190 epcm->capture_inte = INTE_MICBUFENABLE; 1191 epcm->capture_ba_reg = MICBA; 1192 epcm->capture_bs_reg = MICBS; 1193 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1194 substream->runtime->private_data = epcm; 1195 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1196 runtime->hw = snd_emu10k1_capture; 1197 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1198 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1199 runtime->hw.channels_min = 1; 1200 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1201 emu->pcm_capture_mic_substream = substream; 1202 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1203 return 0; 1204} 1205 1206static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1207{ 1208 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1209 1210 emu->capture_interrupt = NULL; 1211 emu->pcm_capture_mic_substream = NULL; 1212 return 0; 1213} 1214 1215static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1216{ 1217 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1218 struct snd_emu10k1_pcm *epcm; 1219 struct snd_pcm_runtime *runtime = substream->runtime; 1220 int nefx = emu->audigy ? 64 : 32; 1221 int idx; 1222 1223 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1224 if (epcm == NULL) 1225 return -ENOMEM; 1226 epcm->emu = emu; 1227 epcm->type = CAPTURE_EFX; 1228 epcm->substream = substream; 1229 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1230 epcm->capture_inte = INTE_EFXBUFENABLE; 1231 epcm->capture_ba_reg = FXBA; 1232 epcm->capture_bs_reg = FXBS; 1233 epcm->capture_idx_reg = FXIDX; 1234 substream->runtime->private_data = epcm; 1235 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1236 runtime->hw = snd_emu10k1_capture_efx; 1237 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1238 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1239 spin_lock_irq(&emu->reg_lock); 1240 if (emu->card_capabilities->emu_model) { 1241 /* Nb. of channels has been increased to 16 */ 1242 /* TODO 1243 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1244 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1245 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1246 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1247 * rate_min = 44100, 1248 * rate_max = 192000, 1249 * channels_min = 16, 1250 * channels_max = 16, 1251 * Need to add mixer control to fix sample rate 1252 * 1253 * There are 32 mono channels of 16bits each. 1254 * 24bit Audio uses 2x channels over 16bit 1255 * 96kHz uses 2x channels over 48kHz 1256 * 192kHz uses 4x channels over 48kHz 1257 * So, for 48kHz 24bit, one has 16 channels 1258 * for 96kHz 24bit, one has 8 channels 1259 * for 192kHz 24bit, one has 4 channels 1260 * 1261 */ 1262 switch (emu->emu1010.internal_clock) { 1263 case 0: 1264 /* For 44.1kHz */ 1265 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1266 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1267 runtime->hw.channels_min = 1268 runtime->hw.channels_max = 16; 1269 break; 1270 case 1: 1271 /* For 48kHz */ 1272 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1273 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1274 runtime->hw.channels_min = 1275 runtime->hw.channels_max = 16; 1276 break; 1277 }; 1278 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1279 /* efx_voices_mask[0] is expected to be zero 1280 * efx_voices_mask[1] is expected to have 32bits set 1281 */ 1282 } else { 1283 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1284 for (idx = 0; idx < nefx; idx++) { 1285 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1286 runtime->hw.channels_min++; 1287 runtime->hw.channels_max++; 1288 } 1289 } 1290 } 1291 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1292 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1293 spin_unlock_irq(&emu->reg_lock); 1294 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1295 emu->pcm_capture_efx_substream = substream; 1296 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1297 return 0; 1298} 1299 1300static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1301{ 1302 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1303 1304 emu->capture_interrupt = NULL; 1305 emu->pcm_capture_efx_substream = NULL; 1306 return 0; 1307} 1308 1309static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1310 .open = snd_emu10k1_playback_open, 1311 .close = snd_emu10k1_playback_close, 1312 .ioctl = snd_pcm_lib_ioctl, 1313 .hw_params = snd_emu10k1_playback_hw_params, 1314 .hw_free = snd_emu10k1_playback_hw_free, 1315 .prepare = snd_emu10k1_playback_prepare, 1316 .trigger = snd_emu10k1_playback_trigger, 1317 .pointer = snd_emu10k1_playback_pointer, 1318 .page = snd_pcm_sgbuf_ops_page, 1319}; 1320 1321static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1322 .open = snd_emu10k1_capture_open, 1323 .close = snd_emu10k1_capture_close, 1324 .ioctl = snd_pcm_lib_ioctl, 1325 .hw_params = snd_emu10k1_capture_hw_params, 1326 .hw_free = snd_emu10k1_capture_hw_free, 1327 .prepare = snd_emu10k1_capture_prepare, 1328 .trigger = snd_emu10k1_capture_trigger, 1329 .pointer = snd_emu10k1_capture_pointer, 1330}; 1331 1332/* EFX playback */ 1333static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1334 .open = snd_emu10k1_efx_playback_open, 1335 .close = snd_emu10k1_efx_playback_close, 1336 .ioctl = snd_pcm_lib_ioctl, 1337 .hw_params = snd_emu10k1_playback_hw_params, 1338 .hw_free = snd_emu10k1_efx_playback_hw_free, 1339 .prepare = snd_emu10k1_efx_playback_prepare, 1340 .trigger = snd_emu10k1_efx_playback_trigger, 1341 .pointer = snd_emu10k1_efx_playback_pointer, 1342 .page = snd_pcm_sgbuf_ops_page, 1343}; 1344 1345int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1346{ 1347 struct snd_pcm *pcm; 1348 struct snd_pcm_substream *substream; 1349 int err; 1350 1351 if (rpcm) 1352 *rpcm = NULL; 1353 1354 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1355 return err; 1356 1357 pcm->private_data = emu; 1358 1359 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1360 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1361 1362 pcm->info_flags = 0; 1363 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1364 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1365 emu->pcm = pcm; 1366 1367 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1368 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1369 return err; 1370 1371 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1372 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1373 1374 if (rpcm) 1375 *rpcm = pcm; 1376 1377 return 0; 1378} 1379 1380int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1381{ 1382 struct snd_pcm *pcm; 1383 struct snd_pcm_substream *substream; 1384 int err; 1385 1386 if (rpcm) 1387 *rpcm = NULL; 1388 1389 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1390 return err; 1391 1392 pcm->private_data = emu; 1393 1394 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1395 1396 pcm->info_flags = 0; 1397 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1398 strcpy(pcm->name, "Multichannel Playback"); 1399 emu->pcm_multi = pcm; 1400 1401 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1402 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1403 return err; 1404 1405 if (rpcm) 1406 *rpcm = pcm; 1407 1408 return 0; 1409} 1410 1411 1412static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1413 .open = snd_emu10k1_capture_mic_open, 1414 .close = snd_emu10k1_capture_mic_close, 1415 .ioctl = snd_pcm_lib_ioctl, 1416 .hw_params = snd_emu10k1_capture_hw_params, 1417 .hw_free = snd_emu10k1_capture_hw_free, 1418 .prepare = snd_emu10k1_capture_prepare, 1419 .trigger = snd_emu10k1_capture_trigger, 1420 .pointer = snd_emu10k1_capture_pointer, 1421}; 1422 1423int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1424{ 1425 struct snd_pcm *pcm; 1426 int err; 1427 1428 if (rpcm) 1429 *rpcm = NULL; 1430 1431 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1432 return err; 1433 1434 pcm->private_data = emu; 1435 1436 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1437 1438 pcm->info_flags = 0; 1439 strcpy(pcm->name, "Mic Capture"); 1440 emu->pcm_mic = pcm; 1441 1442 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1443 1444 if (rpcm) 1445 *rpcm = pcm; 1446 return 0; 1447} 1448 1449static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1450{ 1451 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1452 int nefx = emu->audigy ? 64 : 32; 1453 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1454 uinfo->count = nefx; 1455 uinfo->value.integer.min = 0; 1456 uinfo->value.integer.max = 1; 1457 return 0; 1458} 1459 1460static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1461{ 1462 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1463 int nefx = emu->audigy ? 64 : 32; 1464 int idx; 1465 1466 spin_lock_irq(&emu->reg_lock); 1467 for (idx = 0; idx < nefx; idx++) 1468 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1469 spin_unlock_irq(&emu->reg_lock); 1470 return 0; 1471} 1472 1473static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1474{ 1475 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1476 unsigned int nval[2], bits; 1477 int nefx = emu->audigy ? 64 : 32; 1478 int nefxb = emu->audigy ? 7 : 6; 1479 int change, idx; 1480 1481 nval[0] = nval[1] = 0; 1482 for (idx = 0, bits = 0; idx < nefx; idx++) 1483 if (ucontrol->value.integer.value[idx]) { 1484 nval[idx / 32] |= 1 << (idx % 32); 1485 bits++; 1486 } 1487 1488 for (idx = 0; idx < nefxb; idx++) 1489 if (1 << idx == bits) 1490 break; 1491 1492 if (idx >= nefxb) 1493 return -EINVAL; 1494 1495 spin_lock_irq(&emu->reg_lock); 1496 change = (nval[0] != emu->efx_voices_mask[0]) || 1497 (nval[1] != emu->efx_voices_mask[1]); 1498 emu->efx_voices_mask[0] = nval[0]; 1499 emu->efx_voices_mask[1] = nval[1]; 1500 spin_unlock_irq(&emu->reg_lock); 1501 return change; 1502} 1503 1504static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1505 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1506 .name = "Captured FX8010 Outputs", 1507 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1508 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1509 .put = snd_emu10k1_pcm_efx_voices_mask_put 1510}; 1511 1512static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1513 .open = snd_emu10k1_capture_efx_open, 1514 .close = snd_emu10k1_capture_efx_close, 1515 .ioctl = snd_pcm_lib_ioctl, 1516 .hw_params = snd_emu10k1_capture_hw_params, 1517 .hw_free = snd_emu10k1_capture_hw_free, 1518 .prepare = snd_emu10k1_capture_prepare, 1519 .trigger = snd_emu10k1_capture_trigger, 1520 .pointer = snd_emu10k1_capture_pointer, 1521}; 1522 1523 1524/* EFX playback */ 1525 1526#define INITIAL_TRAM_SHIFT 14 1527#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1528 1529static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1530{ 1531 struct snd_pcm_substream *substream = private_data; 1532 snd_pcm_period_elapsed(substream); 1533} 1534 1535static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1536 unsigned short *dst_right, 1537 unsigned short *src, 1538 unsigned int count, 1539 unsigned int tram_shift) 1540{ 1541 /* 1542 printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1543 "src = 0x%p, count = 0x%x\n", 1544 dst_left, dst_right, src, count); 1545 */ 1546 if ((tram_shift & 1) == 0) { 1547 while (count--) { 1548 *dst_left-- = *src++; 1549 *dst_right-- = *src++; 1550 } 1551 } else { 1552 while (count--) { 1553 *dst_right-- = *src++; 1554 *dst_left-- = *src++; 1555 } 1556 } 1557} 1558 1559static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1560 struct snd_pcm_indirect *rec, size_t bytes) 1561{ 1562 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1563 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1564 unsigned int tram_size = pcm->buffer_size; 1565 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1566 unsigned int frames = bytes >> 2, count; 1567 unsigned int tram_pos = pcm->tram_pos; 1568 unsigned int tram_shift = pcm->tram_shift; 1569 1570 while (frames > tram_pos) { 1571 count = tram_pos + 1; 1572 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1573 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1574 src, count, tram_shift); 1575 src += count * 2; 1576 frames -= count; 1577 tram_pos = (tram_size / 2) - 1; 1578 tram_shift++; 1579 } 1580 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1581 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1582 src, frames, tram_shift); 1583 tram_pos -= frames; 1584 pcm->tram_pos = tram_pos; 1585 pcm->tram_shift = tram_shift; 1586} 1587 1588static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1589{ 1590 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1591 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1592 1593 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1594 return 0; 1595} 1596 1597static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1598 struct snd_pcm_hw_params *hw_params) 1599{ 1600 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1601} 1602 1603static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1604{ 1605 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1606 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1607 unsigned int i; 1608 1609 for (i = 0; i < pcm->channels; i++) 1610 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1611 snd_pcm_lib_free_pages(substream); 1612 return 0; 1613} 1614 1615static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1616{ 1617 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1618 struct snd_pcm_runtime *runtime = substream->runtime; 1619 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1620 unsigned int i; 1621 1622 /* 1623 printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1624 "buffer_size = 0x%x (0x%x)\n", 1625 emu->fx8010.etram_pages, runtime->dma_area, 1626 runtime->buffer_size, runtime->buffer_size << 2); 1627 */ 1628 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1629 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1630 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1631 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1632 pcm->tram_shift = 0; 1633 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1634 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1635 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1636 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1637 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1638 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1639 for (i = 0; i < pcm->channels; i++) 1640 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1641 return 0; 1642} 1643 1644static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1645{ 1646 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1647 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1648 int result = 0; 1649 1650 spin_lock(&emu->reg_lock); 1651 switch (cmd) { 1652 case SNDRV_PCM_TRIGGER_START: 1653 /* follow thru */ 1654 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1655 case SNDRV_PCM_TRIGGER_RESUME: 1656#ifdef EMU10K1_SET_AC3_IEC958 1657 { 1658 int i; 1659 for (i = 0; i < 3; i++) { 1660 unsigned int bits; 1661 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1662 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1663 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1664 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1665 } 1666 } 1667#endif 1668 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1669 if (result < 0) 1670 goto __err; 1671 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1672 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1673 break; 1674 case SNDRV_PCM_TRIGGER_STOP: 1675 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1676 case SNDRV_PCM_TRIGGER_SUSPEND: 1677 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1678 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1679 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1680 pcm->tram_shift = 0; 1681 break; 1682 default: 1683 result = -EINVAL; 1684 break; 1685 } 1686 __err: 1687 spin_unlock(&emu->reg_lock); 1688 return result; 1689} 1690 1691static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1692{ 1693 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1694 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1695 size_t ptr; /* byte pointer */ 1696 1697 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1698 return 0; 1699 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1700 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1701} 1702 1703static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1704{ 1705 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1706 SNDRV_PCM_INFO_RESUME | 1707 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1708 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1709 .rates = SNDRV_PCM_RATE_48000, 1710 .rate_min = 48000, 1711 .rate_max = 48000, 1712 .channels_min = 1, 1713 .channels_max = 1, 1714 .buffer_bytes_max = (128*1024), 1715 .period_bytes_min = 1024, 1716 .period_bytes_max = (128*1024), 1717 .periods_min = 2, 1718 .periods_max = 1024, 1719 .fifo_size = 0, 1720}; 1721 1722static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1723{ 1724 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1725 struct snd_pcm_runtime *runtime = substream->runtime; 1726 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1727 1728 runtime->hw = snd_emu10k1_fx8010_playback; 1729 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1730 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1731 spin_lock_irq(&emu->reg_lock); 1732 if (pcm->valid == 0) { 1733 spin_unlock_irq(&emu->reg_lock); 1734 return -ENODEV; 1735 } 1736 pcm->opened = 1; 1737 spin_unlock_irq(&emu->reg_lock); 1738 return 0; 1739} 1740 1741static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1742{ 1743 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1744 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1745 1746 spin_lock_irq(&emu->reg_lock); 1747 pcm->opened = 0; 1748 spin_unlock_irq(&emu->reg_lock); 1749 return 0; 1750} 1751 1752static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1753 .open = snd_emu10k1_fx8010_playback_open, 1754 .close = snd_emu10k1_fx8010_playback_close, 1755 .ioctl = snd_pcm_lib_ioctl, 1756 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1757 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1758 .prepare = snd_emu10k1_fx8010_playback_prepare, 1759 .trigger = snd_emu10k1_fx8010_playback_trigger, 1760 .pointer = snd_emu10k1_fx8010_playback_pointer, 1761 .ack = snd_emu10k1_fx8010_playback_transfer, 1762}; 1763 1764int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1765{ 1766 struct snd_pcm *pcm; 1767 struct snd_kcontrol *kctl; 1768 int err; 1769 1770 if (rpcm) 1771 *rpcm = NULL; 1772 1773 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1774 return err; 1775 1776 pcm->private_data = emu; 1777 1778 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1779 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1780 1781 pcm->info_flags = 0; 1782 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1783 emu->pcm_efx = pcm; 1784 if (rpcm) 1785 *rpcm = pcm; 1786 1787 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1788 * to these 1789 */ 1790 1791 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1792 if (emu->audigy) { 1793 emu->efx_voices_mask[0] = 0; 1794 if (emu->card_capabilities->emu_model) 1795 /* Pavel Hofman - 32 voices will be used for 1796 * capture (write mode) - 1797 * each bit = corresponding voice 1798 */ 1799 emu->efx_voices_mask[1] = 0xffffffff; 1800 else 1801 emu->efx_voices_mask[1] = 0xffff; 1802 } else { 1803 emu->efx_voices_mask[0] = 0xffff0000; 1804 emu->efx_voices_mask[1] = 0; 1805 } 1806 /* For emu1010, the control has to set 32 upper bits (voices) 1807 * out of the 64 bits (voices) to true for the 16-channels capture 1808 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1809 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1810 * control can override this register's value. 1811 */ 1812 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1813 if (!kctl) 1814 return -ENOMEM; 1815 kctl->id.device = device; 1816 snd_ctl_add(emu->card, kctl); 1817 1818 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1819 1820 return 0; 1821} 1822