1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * Creative Labs, Inc. 5 * Routines for control of EMU10K1 chips / PCM routines 6 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 7 * 8 * BUGS: 9 * -- 10 * 11 * TODO: 12 * -- 13 */ 14 15#include <linux/pci.h> 16#include <linux/delay.h> 17#include <linux/slab.h> 18#include <linux/time.h> 19#include <linux/init.h> 20#include <sound/core.h> 21#include <sound/emu10k1.h> 22 23static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, 24 struct snd_emu10k1_voice *voice) 25{ 26 struct snd_emu10k1_pcm *epcm; 27 28 if ((epcm = voice->epcm) == NULL) 29 return; 30 if (epcm->substream == NULL) 31 return; 32#if 0 33 dev_dbg(emu->card->dev, 34 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 35 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 36 snd_pcm_lib_period_bytes(epcm->substream), 37 snd_pcm_lib_buffer_bytes(epcm->substream)); 38#endif 39 snd_pcm_period_elapsed(epcm->substream); 40} 41 42static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 43 unsigned int status) 44{ 45#if 0 46 if (status & IPR_ADCBUFHALFFULL) { 47 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 48 return; 49 } 50#endif 51 snd_pcm_period_elapsed(emu->pcm_capture_substream); 52} 53 54static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 55 unsigned int status) 56{ 57#if 0 58 if (status & IPR_MICBUFHALFFULL) { 59 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 60 return; 61 } 62#endif 63 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 64} 65 66static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 67 unsigned int status) 68{ 69#if 0 70 if (status & IPR_EFXBUFHALFFULL) { 71 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 72 return; 73 } 74#endif 75 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 76} 77 78static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 79{ 80 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 81 struct snd_pcm_runtime *runtime = substream->runtime; 82 struct snd_emu10k1_pcm *epcm = runtime->private_data; 83 unsigned int ptr; 84 85 if (!epcm->running) 86 return 0; 87 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 88 ptr += runtime->buffer_size; 89 ptr -= epcm->ccca_start_addr; 90 ptr %= runtime->buffer_size; 91 92 return ptr; 93} 94 95static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 96{ 97 int err, i; 98 99 if (epcm->voices[1] != NULL && voices < 2) { 100 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 101 epcm->voices[1] = NULL; 102 } 103 for (i = 0; i < voices; i++) { 104 if (epcm->voices[i] == NULL) 105 break; 106 } 107 if (i == voices) 108 return 0; /* already allocated */ 109 110 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 111 if (epcm->voices[i]) { 112 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 113 epcm->voices[i] = NULL; 114 } 115 } 116 err = snd_emu10k1_voice_alloc(epcm->emu, 117 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 118 voices, 119 &epcm->voices[0]); 120 121 if (err < 0) 122 return err; 123 epcm->voices[0]->epcm = epcm; 124 if (voices > 1) { 125 for (i = 1; i < voices; i++) { 126 epcm->voices[i] = &epcm->emu->voices[(epcm->voices[0]->number + i) % NUM_G]; 127 epcm->voices[i]->epcm = epcm; 128 } 129 } 130 if (epcm->extra == NULL) { 131 err = snd_emu10k1_voice_alloc(epcm->emu, 132 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 133 1, 134 &epcm->extra); 135 if (err < 0) { 136 /* 137 dev_dbg(emu->card->dev, "pcm_channel_alloc: " 138 "failed extra: voices=%d, frame=%d\n", 139 voices, frame); 140 */ 141 for (i = 0; i < voices; i++) { 142 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 143 epcm->voices[i] = NULL; 144 } 145 return err; 146 } 147 epcm->extra->epcm = epcm; 148 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 149 } 150 return 0; 151} 152 153static const unsigned int capture_period_sizes[31] = { 154 384, 448, 512, 640, 155 384*2, 448*2, 512*2, 640*2, 156 384*4, 448*4, 512*4, 640*4, 157 384*8, 448*8, 512*8, 640*8, 158 384*16, 448*16, 512*16, 640*16, 159 384*32, 448*32, 512*32, 640*32, 160 384*64, 448*64, 512*64, 640*64, 161 384*128,448*128,512*128 162}; 163 164static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 165 .count = 31, 166 .list = capture_period_sizes, 167 .mask = 0 168}; 169 170static const unsigned int capture_rates[8] = { 171 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 172}; 173 174static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 175 .count = 8, 176 .list = capture_rates, 177 .mask = 0 178}; 179 180static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 181{ 182 switch (rate) { 183 case 8000: return ADCCR_SAMPLERATE_8; 184 case 11025: return ADCCR_SAMPLERATE_11; 185 case 16000: return ADCCR_SAMPLERATE_16; 186 case 22050: return ADCCR_SAMPLERATE_22; 187 case 24000: return ADCCR_SAMPLERATE_24; 188 case 32000: return ADCCR_SAMPLERATE_32; 189 case 44100: return ADCCR_SAMPLERATE_44; 190 case 48000: return ADCCR_SAMPLERATE_48; 191 default: 192 snd_BUG(); 193 return ADCCR_SAMPLERATE_8; 194 } 195} 196 197static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 198{ 199 switch (rate) { 200 case 8000: return A_ADCCR_SAMPLERATE_8; 201 case 11025: return A_ADCCR_SAMPLERATE_11; 202 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 203 case 16000: return ADCCR_SAMPLERATE_16; 204 case 22050: return ADCCR_SAMPLERATE_22; 205 case 24000: return ADCCR_SAMPLERATE_24; 206 case 32000: return ADCCR_SAMPLERATE_32; 207 case 44100: return ADCCR_SAMPLERATE_44; 208 case 48000: return ADCCR_SAMPLERATE_48; 209 default: 210 snd_BUG(); 211 return A_ADCCR_SAMPLERATE_8; 212 } 213} 214 215static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 216{ 217 unsigned int pitch_target; 218 219 pitch_target = (rate << 8) / 375; 220 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 221 return pitch_target; 222} 223 224#define PITCH_48000 0x00004000 225#define PITCH_96000 0x00008000 226#define PITCH_85000 0x00007155 227#define PITCH_80726 0x00006ba2 228#define PITCH_67882 0x00005a82 229#define PITCH_57081 0x00004c1c 230 231static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 232{ 233 if (pitch_target == PITCH_48000) 234 return CCCA_INTERPROM_0; 235 else if (pitch_target < PITCH_48000) 236 return CCCA_INTERPROM_1; 237 else if (pitch_target >= PITCH_96000) 238 return CCCA_INTERPROM_0; 239 else if (pitch_target >= PITCH_85000) 240 return CCCA_INTERPROM_6; 241 else if (pitch_target >= PITCH_80726) 242 return CCCA_INTERPROM_5; 243 else if (pitch_target >= PITCH_67882) 244 return CCCA_INTERPROM_4; 245 else if (pitch_target >= PITCH_57081) 246 return CCCA_INTERPROM_3; 247 else 248 return CCCA_INTERPROM_2; 249} 250 251/* 252 * calculate cache invalidate size 253 * 254 * stereo: channel is stereo 255 * w_16: using 16bit samples 256 * 257 * returns: cache invalidate size in samples 258 */ 259static inline int emu10k1_ccis(int stereo, int w_16) 260{ 261 if (w_16) { 262 return stereo ? 24 : 26; 263 } else { 264 return stereo ? 24*2 : 26*2; 265 } 266} 267 268static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 269 int master, int extra, 270 struct snd_emu10k1_voice *evoice, 271 unsigned int start_addr, 272 unsigned int end_addr, 273 struct snd_emu10k1_pcm_mixer *mix) 274{ 275 struct snd_pcm_substream *substream = evoice->epcm->substream; 276 struct snd_pcm_runtime *runtime = substream->runtime; 277 unsigned int silent_page, tmp; 278 int voice, stereo, w_16; 279 unsigned char send_amount[8]; 280 unsigned char send_routing[8]; 281 unsigned long flags; 282 unsigned int pitch_target; 283 unsigned int ccis; 284 285 voice = evoice->number; 286 stereo = runtime->channels == 2; 287 w_16 = snd_pcm_format_width(runtime->format) == 16; 288 289 if (!extra && stereo) { 290 start_addr >>= 1; 291 end_addr >>= 1; 292 } 293 if (w_16) { 294 start_addr >>= 1; 295 end_addr >>= 1; 296 } 297 298 spin_lock_irqsave(&emu->reg_lock, flags); 299 300 /* volume parameters */ 301 if (extra) { 302 memset(send_routing, 0, sizeof(send_routing)); 303 send_routing[0] = 0; 304 send_routing[1] = 1; 305 send_routing[2] = 2; 306 send_routing[3] = 3; 307 memset(send_amount, 0, sizeof(send_amount)); 308 } else { 309 /* mono, left, right (master voice = left) */ 310 tmp = stereo ? (master ? 1 : 2) : 0; 311 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 312 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 313 } 314 315 ccis = emu10k1_ccis(stereo, w_16); 316 317 if (master) { 318 evoice->epcm->ccca_start_addr = start_addr + ccis; 319 if (extra) { 320 start_addr += ccis; 321 end_addr += ccis + emu->delay_pcm_irq; 322 } 323 if (stereo && !extra) { 324 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 325 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 326 } else { 327 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 328 } 329 } 330 331 /* setup routing */ 332 if (emu->audigy) { 333 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 334 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 335 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 336 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 337 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 338 ((unsigned int)send_amount[4] << 24) | 339 ((unsigned int)send_amount[5] << 16) | 340 ((unsigned int)send_amount[6] << 8) | 341 (unsigned int)send_amount[7]); 342 } else 343 snd_emu10k1_ptr_write(emu, FXRT, voice, 344 snd_emu10k1_compose_send_routing(send_routing)); 345 /* Stop CA */ 346 /* Assumption that PT is already 0 so no harm overwriting */ 347 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 348 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 349 snd_emu10k1_ptr_write(emu, PSST, voice, 350 (start_addr + (extra ? emu->delay_pcm_irq : 0)) | 351 (send_amount[2] << 24)); 352 if (emu->card_capabilities->emu_model) 353 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 354 else 355 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 356 if (extra) 357 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 358 emu10k1_select_interprom(pitch_target) | 359 (w_16 ? 0 : CCCA_8BITSELECT)); 360 else 361 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 362 emu10k1_select_interprom(pitch_target) | 363 (w_16 ? 0 : CCCA_8BITSELECT)); 364 /* Clear filter delay memory */ 365 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 366 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 367 /* invalidate maps */ 368 silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); 369 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 370 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 371 /* modulation envelope */ 372 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 373 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 374 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 375 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 376 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 377 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 378 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 379 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 380 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 381 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 382 /* volume envelope */ 383 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 384 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 385 /* filter envelope */ 386 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 387 /* pitch envelope */ 388 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 389 390 spin_unlock_irqrestore(&emu->reg_lock, flags); 391} 392 393static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 394 struct snd_pcm_hw_params *hw_params) 395{ 396 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 397 struct snd_pcm_runtime *runtime = substream->runtime; 398 struct snd_emu10k1_pcm *epcm = runtime->private_data; 399 size_t alloc_size; 400 int err; 401 402 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 403 return err; 404 405 alloc_size = params_buffer_bytes(hw_params); 406 if (emu->iommu_workaround) 407 alloc_size += EMUPAGESIZE; 408 err = snd_pcm_lib_malloc_pages(substream, alloc_size); 409 if (err < 0) 410 return err; 411 if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE) 412 runtime->dma_bytes -= EMUPAGESIZE; 413 if (err > 0) { /* change */ 414 int mapped; 415 if (epcm->memblk != NULL) 416 snd_emu10k1_free_pages(emu, epcm->memblk); 417 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 418 epcm->start_addr = 0; 419 if (! epcm->memblk) 420 return -ENOMEM; 421 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 422 if (mapped < 0) 423 return -ENOMEM; 424 epcm->start_addr = mapped << PAGE_SHIFT; 425 } 426 return 0; 427} 428 429static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 430{ 431 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 432 struct snd_pcm_runtime *runtime = substream->runtime; 433 struct snd_emu10k1_pcm *epcm; 434 435 if (runtime->private_data == NULL) 436 return 0; 437 epcm = runtime->private_data; 438 if (epcm->extra) { 439 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 440 epcm->extra = NULL; 441 } 442 if (epcm->voices[1]) { 443 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 444 epcm->voices[1] = NULL; 445 } 446 if (epcm->voices[0]) { 447 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 448 epcm->voices[0] = NULL; 449 } 450 if (epcm->memblk) { 451 snd_emu10k1_free_pages(emu, epcm->memblk); 452 epcm->memblk = NULL; 453 epcm->start_addr = 0; 454 } 455 snd_pcm_lib_free_pages(substream); 456 return 0; 457} 458 459static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 460{ 461 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 462 struct snd_pcm_runtime *runtime = substream->runtime; 463 struct snd_emu10k1_pcm *epcm; 464 int i; 465 466 if (runtime->private_data == NULL) 467 return 0; 468 epcm = runtime->private_data; 469 if (epcm->extra) { 470 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 471 epcm->extra = NULL; 472 } 473 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 474 if (epcm->voices[i]) { 475 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 476 epcm->voices[i] = NULL; 477 } 478 } 479 if (epcm->memblk) { 480 snd_emu10k1_free_pages(emu, epcm->memblk); 481 epcm->memblk = NULL; 482 epcm->start_addr = 0; 483 } 484 snd_pcm_lib_free_pages(substream); 485 return 0; 486} 487 488static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 489{ 490 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 491 struct snd_pcm_runtime *runtime = substream->runtime; 492 struct snd_emu10k1_pcm *epcm = runtime->private_data; 493 unsigned int start_addr, end_addr; 494 495 start_addr = epcm->start_addr; 496 end_addr = snd_pcm_lib_period_bytes(substream); 497 if (runtime->channels == 2) { 498 start_addr >>= 1; 499 end_addr >>= 1; 500 } 501 end_addr += start_addr; 502 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 503 start_addr, end_addr, NULL); 504 start_addr = epcm->start_addr; 505 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 506 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 507 start_addr, end_addr, 508 &emu->pcm_mixer[substream->number]); 509 if (epcm->voices[1]) 510 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 511 start_addr, end_addr, 512 &emu->pcm_mixer[substream->number]); 513 return 0; 514} 515 516static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 517{ 518 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 519 struct snd_pcm_runtime *runtime = substream->runtime; 520 struct snd_emu10k1_pcm *epcm = runtime->private_data; 521 unsigned int start_addr, end_addr; 522 unsigned int channel_size; 523 int i; 524 525 start_addr = epcm->start_addr; 526 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 527 528 /* 529 * the kX driver leaves some space between voices 530 */ 531 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 532 533 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 534 start_addr, start_addr + (channel_size / 2), NULL); 535 536 /* only difference with the master voice is we use it for the pointer */ 537 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 538 start_addr, start_addr + channel_size, 539 &emu->efx_pcm_mixer[0]); 540 541 start_addr += channel_size; 542 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 543 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 544 start_addr, start_addr + channel_size, 545 &emu->efx_pcm_mixer[i]); 546 start_addr += channel_size; 547 } 548 549 return 0; 550} 551 552static const struct snd_pcm_hardware snd_emu10k1_efx_playback = 553{ 554 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 555 SNDRV_PCM_INFO_BLOCK_TRANSFER | 556 SNDRV_PCM_INFO_RESUME | 557 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 558 .formats = SNDRV_PCM_FMTBIT_S16_LE, 559 .rates = SNDRV_PCM_RATE_48000, 560 .rate_min = 48000, 561 .rate_max = 48000, 562 .channels_min = NUM_EFX_PLAYBACK, 563 .channels_max = NUM_EFX_PLAYBACK, 564 .buffer_bytes_max = (64*1024), 565 .period_bytes_min = 64, 566 .period_bytes_max = (64*1024), 567 .periods_min = 2, 568 .periods_max = 2, 569 .fifo_size = 0, 570}; 571 572static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 573{ 574 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 575 struct snd_pcm_runtime *runtime = substream->runtime; 576 struct snd_emu10k1_pcm *epcm = runtime->private_data; 577 int idx; 578 579 /* zeroing the buffer size will stop capture */ 580 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 581 switch (epcm->type) { 582 case CAPTURE_AC97ADC: 583 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 584 break; 585 case CAPTURE_EFX: 586 if (emu->audigy) { 587 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 588 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 589 } else 590 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 591 break; 592 default: 593 break; 594 } 595 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 596 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 597 epcm->capture_bs_val = 0; 598 for (idx = 0; idx < 31; idx++) { 599 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 600 epcm->capture_bs_val = idx + 1; 601 break; 602 } 603 } 604 if (epcm->capture_bs_val == 0) { 605 snd_BUG(); 606 epcm->capture_bs_val++; 607 } 608 if (epcm->type == CAPTURE_AC97ADC) { 609 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 610 if (runtime->channels > 1) 611 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 612 epcm->capture_cr_val |= emu->audigy ? 613 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 614 snd_emu10k1_capture_rate_reg(runtime->rate); 615 } 616 return 0; 617} 618 619static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 620{ 621 struct snd_pcm_runtime *runtime; 622 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 623 624 if (evoice == NULL) 625 return; 626 runtime = evoice->epcm->substream->runtime; 627 voice = evoice->number; 628 stereo = (!extra && runtime->channels == 2); 629 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 630 ccis = emu10k1_ccis(stereo, sample == 0); 631 /* set cs to 2 * number of cache registers beside the invalidated */ 632 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 633 if (cs > 16) cs = 16; 634 for (i = 0; i < cs; i++) { 635 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 636 if (stereo) { 637 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 638 } 639 } 640 /* reset cache */ 641 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 642 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 643 if (stereo) { 644 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 645 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 646 } 647 /* fill cache */ 648 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 649 if (stereo) { 650 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 651 } 652} 653 654static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 655 int master, int extra, 656 struct snd_emu10k1_pcm_mixer *mix) 657{ 658 struct snd_pcm_substream *substream; 659 struct snd_pcm_runtime *runtime; 660 unsigned int attn, vattn; 661 unsigned int voice, tmp; 662 663 if (evoice == NULL) /* skip second voice for mono */ 664 return; 665 substream = evoice->epcm->substream; 666 runtime = substream->runtime; 667 voice = evoice->number; 668 669 attn = extra ? 0 : 0x00ff; 670 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 671 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 672 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 673 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 674 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 675 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 676 snd_emu10k1_voice_clear_loop_stop(emu, voice); 677} 678 679static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 680{ 681 struct snd_pcm_substream *substream; 682 struct snd_pcm_runtime *runtime; 683 unsigned int voice, pitch, pitch_target; 684 685 if (evoice == NULL) /* skip second voice for mono */ 686 return; 687 substream = evoice->epcm->substream; 688 runtime = substream->runtime; 689 voice = evoice->number; 690 691 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 692 if (emu->card_capabilities->emu_model) 693 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 694 else 695 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 696 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 697 if (master || evoice->epcm->type == PLAYBACK_EFX) 698 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 699 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 700 if (extra) 701 snd_emu10k1_voice_intr_enable(emu, voice); 702} 703 704static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 705{ 706 unsigned int voice; 707 708 if (evoice == NULL) 709 return; 710 voice = evoice->number; 711 snd_emu10k1_voice_intr_disable(emu, voice); 712 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 713 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 714 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 715 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 716 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 717 snd_emu10k1_ptr_write(emu, IP, voice, 0); 718} 719 720static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 721 struct snd_emu10k1_pcm *epcm, 722 struct snd_pcm_substream *substream, 723 struct snd_pcm_runtime *runtime) 724{ 725 unsigned int ptr, period_pos; 726 727 /* try to sychronize the current position for the interrupt 728 source voice */ 729 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 730 period_pos %= runtime->period_size; 731 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 732 ptr &= ~0x00ffffff; 733 ptr |= epcm->ccca_start_addr + period_pos; 734 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 735} 736 737static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 738 int cmd) 739{ 740 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 741 struct snd_pcm_runtime *runtime = substream->runtime; 742 struct snd_emu10k1_pcm *epcm = runtime->private_data; 743 struct snd_emu10k1_pcm_mixer *mix; 744 int result = 0; 745 746 /* 747 dev_dbg(emu->card->dev, 748 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 749 (int)emu, cmd, substream->ops->pointer(substream)) 750 */ 751 spin_lock(&emu->reg_lock); 752 switch (cmd) { 753 case SNDRV_PCM_TRIGGER_START: 754 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 755 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 756 fallthrough; 757 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 758 case SNDRV_PCM_TRIGGER_RESUME: 759 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 760 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 761 mix = &emu->pcm_mixer[substream->number]; 762 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 763 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 764 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 765 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 766 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 767 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 768 epcm->running = 1; 769 break; 770 case SNDRV_PCM_TRIGGER_STOP: 771 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 772 case SNDRV_PCM_TRIGGER_SUSPEND: 773 epcm->running = 0; 774 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 775 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 776 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 777 break; 778 default: 779 result = -EINVAL; 780 break; 781 } 782 spin_unlock(&emu->reg_lock); 783 return result; 784} 785 786static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 787 int cmd) 788{ 789 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 790 struct snd_pcm_runtime *runtime = substream->runtime; 791 struct snd_emu10k1_pcm *epcm = runtime->private_data; 792 int result = 0; 793 794 spin_lock(&emu->reg_lock); 795 switch (cmd) { 796 case SNDRV_PCM_TRIGGER_START: 797 case SNDRV_PCM_TRIGGER_RESUME: 798 /* hmm this should cause full and half full interrupt to be raised? */ 799 outl(epcm->capture_ipr, emu->port + IPR); 800 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 801 /* 802 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", 803 epcm->adccr, epcm->adcbs); 804 */ 805 switch (epcm->type) { 806 case CAPTURE_AC97ADC: 807 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 808 break; 809 case CAPTURE_EFX: 810 if (emu->audigy) { 811 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 812 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 813 dev_dbg(emu->card->dev, 814 "cr_val=0x%x, cr_val2=0x%x\n", 815 epcm->capture_cr_val, 816 epcm->capture_cr_val2); 817 } else 818 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 819 break; 820 default: 821 break; 822 } 823 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 824 epcm->running = 1; 825 epcm->first_ptr = 1; 826 break; 827 case SNDRV_PCM_TRIGGER_STOP: 828 case SNDRV_PCM_TRIGGER_SUSPEND: 829 epcm->running = 0; 830 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 831 outl(epcm->capture_ipr, emu->port + IPR); 832 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 833 switch (epcm->type) { 834 case CAPTURE_AC97ADC: 835 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 836 break; 837 case CAPTURE_EFX: 838 if (emu->audigy) { 839 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 840 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 841 } else 842 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 843 break; 844 default: 845 break; 846 } 847 break; 848 default: 849 result = -EINVAL; 850 } 851 spin_unlock(&emu->reg_lock); 852 return result; 853} 854 855static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 856{ 857 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 858 struct snd_pcm_runtime *runtime = substream->runtime; 859 struct snd_emu10k1_pcm *epcm = runtime->private_data; 860 unsigned int ptr; 861 862 if (!epcm->running) 863 return 0; 864 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 865#if 0 /* Perex's code */ 866 ptr += runtime->buffer_size; 867 ptr -= epcm->ccca_start_addr; 868 ptr %= runtime->buffer_size; 869#else /* EMU10K1 Open Source code from Creative */ 870 if (ptr < epcm->ccca_start_addr) 871 ptr += runtime->buffer_size - epcm->ccca_start_addr; 872 else { 873 ptr -= epcm->ccca_start_addr; 874 if (ptr >= runtime->buffer_size) 875 ptr -= runtime->buffer_size; 876 } 877#endif 878 /* 879 dev_dbg(emu->card->dev, 880 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 881 (long)ptr, (long)runtime->buffer_size, 882 (long)runtime->period_size); 883 */ 884 return ptr; 885} 886 887 888static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 889 int cmd) 890{ 891 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 892 struct snd_pcm_runtime *runtime = substream->runtime; 893 struct snd_emu10k1_pcm *epcm = runtime->private_data; 894 int i; 895 int result = 0; 896 897 spin_lock(&emu->reg_lock); 898 switch (cmd) { 899 case SNDRV_PCM_TRIGGER_START: 900 /* prepare voices */ 901 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 902 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 903 } 904 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 905 fallthrough; 906 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 907 case SNDRV_PCM_TRIGGER_RESUME: 908 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 909 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 910 &emu->efx_pcm_mixer[0]); 911 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 912 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 913 &emu->efx_pcm_mixer[i]); 914 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 915 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 916 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 917 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 918 epcm->running = 1; 919 break; 920 case SNDRV_PCM_TRIGGER_SUSPEND: 921 case SNDRV_PCM_TRIGGER_STOP: 922 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 923 epcm->running = 0; 924 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 925 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 926 } 927 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 928 break; 929 default: 930 result = -EINVAL; 931 break; 932 } 933 spin_unlock(&emu->reg_lock); 934 return result; 935} 936 937 938static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 939{ 940 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 941 struct snd_pcm_runtime *runtime = substream->runtime; 942 struct snd_emu10k1_pcm *epcm = runtime->private_data; 943 unsigned int ptr; 944 945 if (!epcm->running) 946 return 0; 947 if (epcm->first_ptr) { 948 udelay(50); /* hack, it takes awhile until capture is started */ 949 epcm->first_ptr = 0; 950 } 951 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 952 return bytes_to_frames(runtime, ptr); 953} 954 955/* 956 * Playback support device description 957 */ 958 959static const struct snd_pcm_hardware snd_emu10k1_playback = 960{ 961 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 962 SNDRV_PCM_INFO_BLOCK_TRANSFER | 963 SNDRV_PCM_INFO_RESUME | 964 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 965 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 966 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 967 .rate_min = 4000, 968 .rate_max = 96000, 969 .channels_min = 1, 970 .channels_max = 2, 971 .buffer_bytes_max = (128*1024), 972 .period_bytes_min = 64, 973 .period_bytes_max = (128*1024), 974 .periods_min = 1, 975 .periods_max = 1024, 976 .fifo_size = 0, 977}; 978 979/* 980 * Capture support device description 981 */ 982 983static const struct snd_pcm_hardware snd_emu10k1_capture = 984{ 985 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 986 SNDRV_PCM_INFO_BLOCK_TRANSFER | 987 SNDRV_PCM_INFO_RESUME | 988 SNDRV_PCM_INFO_MMAP_VALID), 989 .formats = SNDRV_PCM_FMTBIT_S16_LE, 990 .rates = SNDRV_PCM_RATE_8000_48000, 991 .rate_min = 8000, 992 .rate_max = 48000, 993 .channels_min = 1, 994 .channels_max = 2, 995 .buffer_bytes_max = (64*1024), 996 .period_bytes_min = 384, 997 .period_bytes_max = (64*1024), 998 .periods_min = 2, 999 .periods_max = 2, 1000 .fifo_size = 0, 1001}; 1002 1003static const struct snd_pcm_hardware snd_emu10k1_capture_efx = 1004{ 1005 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1006 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1007 SNDRV_PCM_INFO_RESUME | 1008 SNDRV_PCM_INFO_MMAP_VALID), 1009 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1010 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1011 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1012 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1013 .rate_min = 44100, 1014 .rate_max = 192000, 1015 .channels_min = 8, 1016 .channels_max = 8, 1017 .buffer_bytes_max = (64*1024), 1018 .period_bytes_min = 384, 1019 .period_bytes_max = (64*1024), 1020 .periods_min = 2, 1021 .periods_max = 2, 1022 .fifo_size = 0, 1023}; 1024 1025/* 1026 * 1027 */ 1028 1029static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1030{ 1031 struct snd_ctl_elem_id id; 1032 1033 if (! kctl) 1034 return; 1035 if (activate) 1036 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1037 else 1038 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1039 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1040 SNDRV_CTL_EVENT_MASK_INFO, 1041 snd_ctl_build_ioff(&id, kctl, idx)); 1042} 1043 1044static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1045{ 1046 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1047 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1048 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1049} 1050 1051static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1052{ 1053 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1054 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1055 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1056} 1057 1058static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1059{ 1060 kfree(runtime->private_data); 1061} 1062 1063static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1064{ 1065 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1066 struct snd_emu10k1_pcm_mixer *mix; 1067 int i; 1068 1069 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1070 mix = &emu->efx_pcm_mixer[i]; 1071 mix->epcm = NULL; 1072 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1073 } 1074 return 0; 1075} 1076 1077static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1078{ 1079 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1080 struct snd_emu10k1_pcm *epcm; 1081 struct snd_emu10k1_pcm_mixer *mix; 1082 struct snd_pcm_runtime *runtime = substream->runtime; 1083 int i; 1084 1085 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1086 if (epcm == NULL) 1087 return -ENOMEM; 1088 epcm->emu = emu; 1089 epcm->type = PLAYBACK_EFX; 1090 epcm->substream = substream; 1091 1092 emu->pcm_playback_efx_substream = substream; 1093 1094 runtime->private_data = epcm; 1095 runtime->private_free = snd_emu10k1_pcm_free_substream; 1096 runtime->hw = snd_emu10k1_efx_playback; 1097 1098 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1099 mix = &emu->efx_pcm_mixer[i]; 1100 mix->send_routing[0][0] = i; 1101 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1102 mix->send_volume[0][0] = 255; 1103 mix->attn[0] = 0xffff; 1104 mix->epcm = epcm; 1105 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1106 } 1107 return 0; 1108} 1109 1110static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1111{ 1112 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1113 struct snd_emu10k1_pcm *epcm; 1114 struct snd_emu10k1_pcm_mixer *mix; 1115 struct snd_pcm_runtime *runtime = substream->runtime; 1116 int i, err, sample_rate; 1117 1118 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1119 if (epcm == NULL) 1120 return -ENOMEM; 1121 epcm->emu = emu; 1122 epcm->type = PLAYBACK_EMUVOICE; 1123 epcm->substream = substream; 1124 runtime->private_data = epcm; 1125 runtime->private_free = snd_emu10k1_pcm_free_substream; 1126 runtime->hw = snd_emu10k1_playback; 1127 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1128 kfree(epcm); 1129 return err; 1130 } 1131 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1132 kfree(epcm); 1133 return err; 1134 } 1135 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1136 sample_rate = 44100; 1137 else 1138 sample_rate = 48000; 1139 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1140 if (err < 0) { 1141 kfree(epcm); 1142 return err; 1143 } 1144 mix = &emu->pcm_mixer[substream->number]; 1145 for (i = 0; i < 4; i++) 1146 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1147 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1148 mix->send_volume[0][0] = mix->send_volume[0][1] = 1149 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1150 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1151 mix->epcm = epcm; 1152 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1153 return 0; 1154} 1155 1156static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1157{ 1158 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1159 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1160 1161 mix->epcm = NULL; 1162 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1163 return 0; 1164} 1165 1166static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1167{ 1168 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1169 struct snd_pcm_runtime *runtime = substream->runtime; 1170 struct snd_emu10k1_pcm *epcm; 1171 1172 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1173 if (epcm == NULL) 1174 return -ENOMEM; 1175 epcm->emu = emu; 1176 epcm->type = CAPTURE_AC97ADC; 1177 epcm->substream = substream; 1178 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1179 epcm->capture_inte = INTE_ADCBUFENABLE; 1180 epcm->capture_ba_reg = ADCBA; 1181 epcm->capture_bs_reg = ADCBS; 1182 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1183 runtime->private_data = epcm; 1184 runtime->private_free = snd_emu10k1_pcm_free_substream; 1185 runtime->hw = snd_emu10k1_capture; 1186 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1187 emu->pcm_capture_substream = substream; 1188 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1189 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1190 return 0; 1191} 1192 1193static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1194{ 1195 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1196 1197 emu->capture_interrupt = NULL; 1198 emu->pcm_capture_substream = NULL; 1199 return 0; 1200} 1201 1202static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1203{ 1204 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1205 struct snd_emu10k1_pcm *epcm; 1206 struct snd_pcm_runtime *runtime = substream->runtime; 1207 1208 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1209 if (epcm == NULL) 1210 return -ENOMEM; 1211 epcm->emu = emu; 1212 epcm->type = CAPTURE_AC97MIC; 1213 epcm->substream = substream; 1214 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1215 epcm->capture_inte = INTE_MICBUFENABLE; 1216 epcm->capture_ba_reg = MICBA; 1217 epcm->capture_bs_reg = MICBS; 1218 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1219 substream->runtime->private_data = epcm; 1220 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1221 runtime->hw = snd_emu10k1_capture; 1222 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1223 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1224 runtime->hw.channels_min = 1; 1225 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1226 emu->pcm_capture_mic_substream = substream; 1227 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1228 return 0; 1229} 1230 1231static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1232{ 1233 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1234 1235 emu->capture_mic_interrupt = NULL; 1236 emu->pcm_capture_mic_substream = NULL; 1237 return 0; 1238} 1239 1240static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1241{ 1242 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1243 struct snd_emu10k1_pcm *epcm; 1244 struct snd_pcm_runtime *runtime = substream->runtime; 1245 int nefx = emu->audigy ? 64 : 32; 1246 int idx; 1247 1248 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1249 if (epcm == NULL) 1250 return -ENOMEM; 1251 epcm->emu = emu; 1252 epcm->type = CAPTURE_EFX; 1253 epcm->substream = substream; 1254 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1255 epcm->capture_inte = INTE_EFXBUFENABLE; 1256 epcm->capture_ba_reg = FXBA; 1257 epcm->capture_bs_reg = FXBS; 1258 epcm->capture_idx_reg = FXIDX; 1259 substream->runtime->private_data = epcm; 1260 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1261 runtime->hw = snd_emu10k1_capture_efx; 1262 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1263 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1264 spin_lock_irq(&emu->reg_lock); 1265 if (emu->card_capabilities->emu_model) { 1266 /* Nb. of channels has been increased to 16 */ 1267 /* TODO 1268 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1269 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1270 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1271 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1272 * rate_min = 44100, 1273 * rate_max = 192000, 1274 * channels_min = 16, 1275 * channels_max = 16, 1276 * Need to add mixer control to fix sample rate 1277 * 1278 * There are 32 mono channels of 16bits each. 1279 * 24bit Audio uses 2x channels over 16bit 1280 * 96kHz uses 2x channels over 48kHz 1281 * 192kHz uses 4x channels over 48kHz 1282 * So, for 48kHz 24bit, one has 16 channels 1283 * for 96kHz 24bit, one has 8 channels 1284 * for 192kHz 24bit, one has 4 channels 1285 * 1286 */ 1287#if 1 1288 switch (emu->emu1010.internal_clock) { 1289 case 0: 1290 /* For 44.1kHz */ 1291 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1292 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1293 runtime->hw.channels_min = 1294 runtime->hw.channels_max = 16; 1295 break; 1296 case 1: 1297 /* For 48kHz */ 1298 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1299 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1300 runtime->hw.channels_min = 1301 runtime->hw.channels_max = 16; 1302 break; 1303 } 1304#endif 1305#if 0 1306 /* For 96kHz */ 1307 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1308 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1309 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1310#endif 1311#if 0 1312 /* For 192kHz */ 1313 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1314 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1315 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1316#endif 1317 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1318 /* efx_voices_mask[0] is expected to be zero 1319 * efx_voices_mask[1] is expected to have 32bits set 1320 */ 1321 } else { 1322 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1323 for (idx = 0; idx < nefx; idx++) { 1324 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1325 runtime->hw.channels_min++; 1326 runtime->hw.channels_max++; 1327 } 1328 } 1329 } 1330 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1331 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1332 spin_unlock_irq(&emu->reg_lock); 1333 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1334 emu->pcm_capture_efx_substream = substream; 1335 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1336 return 0; 1337} 1338 1339static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1340{ 1341 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1342 1343 emu->capture_efx_interrupt = NULL; 1344 emu->pcm_capture_efx_substream = NULL; 1345 return 0; 1346} 1347 1348static const struct snd_pcm_ops snd_emu10k1_playback_ops = { 1349 .open = snd_emu10k1_playback_open, 1350 .close = snd_emu10k1_playback_close, 1351 .hw_params = snd_emu10k1_playback_hw_params, 1352 .hw_free = snd_emu10k1_playback_hw_free, 1353 .prepare = snd_emu10k1_playback_prepare, 1354 .trigger = snd_emu10k1_playback_trigger, 1355 .pointer = snd_emu10k1_playback_pointer, 1356}; 1357 1358static const struct snd_pcm_ops snd_emu10k1_capture_ops = { 1359 .open = snd_emu10k1_capture_open, 1360 .close = snd_emu10k1_capture_close, 1361 .prepare = snd_emu10k1_capture_prepare, 1362 .trigger = snd_emu10k1_capture_trigger, 1363 .pointer = snd_emu10k1_capture_pointer, 1364}; 1365 1366/* EFX playback */ 1367static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1368 .open = snd_emu10k1_efx_playback_open, 1369 .close = snd_emu10k1_efx_playback_close, 1370 .hw_params = snd_emu10k1_playback_hw_params, 1371 .hw_free = snd_emu10k1_efx_playback_hw_free, 1372 .prepare = snd_emu10k1_efx_playback_prepare, 1373 .trigger = snd_emu10k1_efx_playback_trigger, 1374 .pointer = snd_emu10k1_efx_playback_pointer, 1375}; 1376 1377int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) 1378{ 1379 struct snd_pcm *pcm; 1380 struct snd_pcm_substream *substream; 1381 int err; 1382 1383 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1384 return err; 1385 1386 pcm->private_data = emu; 1387 1388 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1389 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1390 1391 pcm->info_flags = 0; 1392 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1393 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1394 emu->pcm = pcm; 1395 1396 /* playback substream can't use managed buffers due to alignment */ 1397 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1398 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1399 &emu->pci->dev, 1400 64*1024, 64*1024); 1401 1402 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1403 snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV, 1404 &emu->pci->dev, 64*1024, 64*1024); 1405 1406 return 0; 1407} 1408 1409int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) 1410{ 1411 struct snd_pcm *pcm; 1412 struct snd_pcm_substream *substream; 1413 int err; 1414 1415 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1416 return err; 1417 1418 pcm->private_data = emu; 1419 1420 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1421 1422 pcm->info_flags = 0; 1423 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1424 strcpy(pcm->name, "Multichannel Playback"); 1425 emu->pcm_multi = pcm; 1426 1427 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1428 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1429 &emu->pci->dev, 1430 64*1024, 64*1024); 1431 1432 return 0; 1433} 1434 1435 1436static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1437 .open = snd_emu10k1_capture_mic_open, 1438 .close = snd_emu10k1_capture_mic_close, 1439 .prepare = snd_emu10k1_capture_prepare, 1440 .trigger = snd_emu10k1_capture_trigger, 1441 .pointer = snd_emu10k1_capture_pointer, 1442}; 1443 1444int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) 1445{ 1446 struct snd_pcm *pcm; 1447 int err; 1448 1449 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1450 return err; 1451 1452 pcm->private_data = emu; 1453 1454 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1455 1456 pcm->info_flags = 0; 1457 strcpy(pcm->name, "Mic Capture"); 1458 emu->pcm_mic = pcm; 1459 1460 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev, 1461 64*1024, 64*1024); 1462 1463 return 0; 1464} 1465 1466static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1467{ 1468 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1469 int nefx = emu->audigy ? 64 : 32; 1470 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1471 uinfo->count = nefx; 1472 uinfo->value.integer.min = 0; 1473 uinfo->value.integer.max = 1; 1474 return 0; 1475} 1476 1477static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1478{ 1479 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1480 int nefx = emu->audigy ? 64 : 32; 1481 int idx; 1482 1483 spin_lock_irq(&emu->reg_lock); 1484 for (idx = 0; idx < nefx; idx++) 1485 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1486 spin_unlock_irq(&emu->reg_lock); 1487 return 0; 1488} 1489 1490static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1491{ 1492 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1493 unsigned int nval[2], bits; 1494 int nefx = emu->audigy ? 64 : 32; 1495 int nefxb = emu->audigy ? 7 : 6; 1496 int change, idx; 1497 1498 nval[0] = nval[1] = 0; 1499 for (idx = 0, bits = 0; idx < nefx; idx++) 1500 if (ucontrol->value.integer.value[idx]) { 1501 nval[idx / 32] |= 1 << (idx % 32); 1502 bits++; 1503 } 1504 1505 for (idx = 0; idx < nefxb; idx++) 1506 if (1 << idx == bits) 1507 break; 1508 1509 if (idx >= nefxb) 1510 return -EINVAL; 1511 1512 spin_lock_irq(&emu->reg_lock); 1513 change = (nval[0] != emu->efx_voices_mask[0]) || 1514 (nval[1] != emu->efx_voices_mask[1]); 1515 emu->efx_voices_mask[0] = nval[0]; 1516 emu->efx_voices_mask[1] = nval[1]; 1517 spin_unlock_irq(&emu->reg_lock); 1518 return change; 1519} 1520 1521static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1522 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1523 .name = "Captured FX8010 Outputs", 1524 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1525 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1526 .put = snd_emu10k1_pcm_efx_voices_mask_put 1527}; 1528 1529static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1530 .open = snd_emu10k1_capture_efx_open, 1531 .close = snd_emu10k1_capture_efx_close, 1532 .prepare = snd_emu10k1_capture_prepare, 1533 .trigger = snd_emu10k1_capture_trigger, 1534 .pointer = snd_emu10k1_capture_pointer, 1535}; 1536 1537 1538/* EFX playback */ 1539 1540#define INITIAL_TRAM_SHIFT 14 1541#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1542 1543static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1544{ 1545 struct snd_pcm_substream *substream = private_data; 1546 snd_pcm_period_elapsed(substream); 1547} 1548 1549static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1550 unsigned short *dst_right, 1551 unsigned short *src, 1552 unsigned int count, 1553 unsigned int tram_shift) 1554{ 1555 /* 1556 dev_dbg(emu->card->dev, 1557 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1558 "src = 0x%p, count = 0x%x\n", 1559 dst_left, dst_right, src, count); 1560 */ 1561 if ((tram_shift & 1) == 0) { 1562 while (count--) { 1563 *dst_left-- = *src++; 1564 *dst_right-- = *src++; 1565 } 1566 } else { 1567 while (count--) { 1568 *dst_right-- = *src++; 1569 *dst_left-- = *src++; 1570 } 1571 } 1572} 1573 1574static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1575 struct snd_pcm_indirect *rec, size_t bytes) 1576{ 1577 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1578 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1579 unsigned int tram_size = pcm->buffer_size; 1580 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1581 unsigned int frames = bytes >> 2, count; 1582 unsigned int tram_pos = pcm->tram_pos; 1583 unsigned int tram_shift = pcm->tram_shift; 1584 1585 while (frames > tram_pos) { 1586 count = tram_pos + 1; 1587 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1588 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1589 src, count, tram_shift); 1590 src += count * 2; 1591 frames -= count; 1592 tram_pos = (tram_size / 2) - 1; 1593 tram_shift++; 1594 } 1595 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1596 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1597 src, frames, tram_shift); 1598 tram_pos -= frames; 1599 pcm->tram_pos = tram_pos; 1600 pcm->tram_shift = tram_shift; 1601} 1602 1603static int snd_emu10k1_fx8010_playback_transfer(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 1608 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, 1609 fx8010_pb_trans_copy); 1610} 1611 1612static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1613{ 1614 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1615 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1616 unsigned int i; 1617 1618 for (i = 0; i < pcm->channels; i++) 1619 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1620 return 0; 1621} 1622 1623static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1624{ 1625 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1626 struct snd_pcm_runtime *runtime = substream->runtime; 1627 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1628 unsigned int i; 1629 1630 /* 1631 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1632 "buffer_size = 0x%x (0x%x)\n", 1633 emu->fx8010.etram_pages, runtime->dma_area, 1634 runtime->buffer_size, runtime->buffer_size << 2); 1635 */ 1636 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1637 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1638 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1639 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1640 pcm->tram_shift = 0; 1641 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1642 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1643 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1644 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1645 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1646 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1647 for (i = 0; i < pcm->channels; i++) 1648 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1649 return 0; 1650} 1651 1652static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1653{ 1654 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1655 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1656 int result = 0; 1657 1658 spin_lock(&emu->reg_lock); 1659 switch (cmd) { 1660 case SNDRV_PCM_TRIGGER_START: 1661 /* follow thru */ 1662 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1663 case SNDRV_PCM_TRIGGER_RESUME: 1664#ifdef EMU10K1_SET_AC3_IEC958 1665 { 1666 int i; 1667 for (i = 0; i < 3; i++) { 1668 unsigned int bits; 1669 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1670 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1671 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1672 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1673 } 1674 } 1675#endif 1676 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1677 if (result < 0) 1678 goto __err; 1679 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1680 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1681 break; 1682 case SNDRV_PCM_TRIGGER_STOP: 1683 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1684 case SNDRV_PCM_TRIGGER_SUSPEND: 1685 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq); 1686 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1687 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1688 pcm->tram_shift = 0; 1689 break; 1690 default: 1691 result = -EINVAL; 1692 break; 1693 } 1694 __err: 1695 spin_unlock(&emu->reg_lock); 1696 return result; 1697} 1698 1699static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1700{ 1701 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1702 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1703 size_t ptr; /* byte pointer */ 1704 1705 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1706 return 0; 1707 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1708 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1709} 1710 1711static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1712{ 1713 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1714 SNDRV_PCM_INFO_RESUME | 1715 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE | 1716 SNDRV_PCM_INFO_SYNC_APPLPTR), 1717 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1718 .rates = SNDRV_PCM_RATE_48000, 1719 .rate_min = 48000, 1720 .rate_max = 48000, 1721 .channels_min = 1, 1722 .channels_max = 1, 1723 .buffer_bytes_max = (128*1024), 1724 .period_bytes_min = 1024, 1725 .period_bytes_max = (128*1024), 1726 .periods_min = 2, 1727 .periods_max = 1024, 1728 .fifo_size = 0, 1729}; 1730 1731static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1732{ 1733 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1734 struct snd_pcm_runtime *runtime = substream->runtime; 1735 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1736 1737 runtime->hw = snd_emu10k1_fx8010_playback; 1738 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1739 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1740 spin_lock_irq(&emu->reg_lock); 1741 if (pcm->valid == 0) { 1742 spin_unlock_irq(&emu->reg_lock); 1743 return -ENODEV; 1744 } 1745 pcm->opened = 1; 1746 spin_unlock_irq(&emu->reg_lock); 1747 return 0; 1748} 1749 1750static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1751{ 1752 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1753 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1754 1755 spin_lock_irq(&emu->reg_lock); 1756 pcm->opened = 0; 1757 spin_unlock_irq(&emu->reg_lock); 1758 return 0; 1759} 1760 1761static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1762 .open = snd_emu10k1_fx8010_playback_open, 1763 .close = snd_emu10k1_fx8010_playback_close, 1764 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1765 .prepare = snd_emu10k1_fx8010_playback_prepare, 1766 .trigger = snd_emu10k1_fx8010_playback_trigger, 1767 .pointer = snd_emu10k1_fx8010_playback_pointer, 1768 .ack = snd_emu10k1_fx8010_playback_transfer, 1769}; 1770 1771int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) 1772{ 1773 struct snd_pcm *pcm; 1774 struct snd_kcontrol *kctl; 1775 int err; 1776 1777 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1778 return err; 1779 1780 pcm->private_data = emu; 1781 1782 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1783 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1784 1785 pcm->info_flags = 0; 1786 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1787 emu->pcm_efx = pcm; 1788 1789 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1790 * to these 1791 */ 1792 1793 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1794 if (emu->audigy) { 1795 emu->efx_voices_mask[0] = 0; 1796 if (emu->card_capabilities->emu_model) 1797 /* Pavel Hofman - 32 voices will be used for 1798 * capture (write mode) - 1799 * each bit = corresponding voice 1800 */ 1801 emu->efx_voices_mask[1] = 0xffffffff; 1802 else 1803 emu->efx_voices_mask[1] = 0xffff; 1804 } else { 1805 emu->efx_voices_mask[0] = 0xffff0000; 1806 emu->efx_voices_mask[1] = 0; 1807 } 1808 /* For emu1010, the control has to set 32 upper bits (voices) 1809 * out of the 64 bits (voices) to true for the 16-channels capture 1810 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1811 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1812 * control can override this register's value. 1813 */ 1814 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1815 if (!kctl) 1816 return -ENOMEM; 1817 kctl->id.device = device; 1818 err = snd_ctl_add(emu->card, kctl); 1819 if (err < 0) 1820 return err; 1821 1822 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev, 1823 64*1024, 64*1024); 1824 1825 return 0; 1826} 1827