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 23 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, 24 struct snd_emu10k1_voice *voice) 25 { 26 struct snd_emu10k1_pcm *epcm; 27 28 epcm = voice->epcm; 29 if (!epcm) 30 return; 31 if (epcm->substream == NULL) 32 return; 33 #if 0 34 dev_dbg(emu->card->dev, 35 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 36 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 37 snd_pcm_lib_period_bytes(epcm->substream), 38 snd_pcm_lib_buffer_bytes(epcm->substream)); 39 #endif 40 snd_pcm_period_elapsed(epcm->substream); 41 } 42 43 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 44 unsigned int status) 45 { 46 #if 0 47 if (status & IPR_ADCBUFHALFFULL) { 48 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 49 return; 50 } 51 #endif 52 snd_pcm_period_elapsed(emu->pcm_capture_substream); 53 } 54 55 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 56 unsigned int status) 57 { 58 #if 0 59 if (status & IPR_MICBUFHALFFULL) { 60 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 61 return; 62 } 63 #endif 64 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 65 } 66 67 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 68 unsigned int status) 69 { 70 #if 0 71 if (status & IPR_EFXBUFHALFFULL) { 72 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 73 return; 74 } 75 #endif 76 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 77 } 78 79 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 80 { 81 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 82 struct snd_pcm_runtime *runtime = substream->runtime; 83 struct snd_emu10k1_pcm *epcm = runtime->private_data; 84 unsigned int ptr; 85 86 if (!epcm->running) 87 return 0; 88 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 89 ptr += runtime->buffer_size; 90 ptr -= epcm->ccca_start_addr; 91 ptr %= runtime->buffer_size; 92 93 return ptr; 94 } 95 96 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 97 { 98 int err, i; 99 100 if (epcm->voices[1] != NULL && voices < 2) { 101 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 102 epcm->voices[1] = NULL; 103 } 104 for (i = 0; i < voices; i++) { 105 if (epcm->voices[i] == NULL) 106 break; 107 } 108 if (i == voices) 109 return 0; /* already allocated */ 110 111 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 112 if (epcm->voices[i]) { 113 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 114 epcm->voices[i] = NULL; 115 } 116 } 117 err = snd_emu10k1_voice_alloc(epcm->emu, 118 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 119 voices, 120 &epcm->voices[0]); 121 122 if (err < 0) 123 return err; 124 epcm->voices[0]->epcm = epcm; 125 if (voices > 1) { 126 for (i = 1; i < voices; i++) { 127 epcm->voices[i] = &epcm->emu->voices[(epcm->voices[0]->number + i) % NUM_G]; 128 epcm->voices[i]->epcm = epcm; 129 } 130 } 131 if (epcm->extra == NULL) { 132 err = snd_emu10k1_voice_alloc(epcm->emu, 133 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 134 1, 135 &epcm->extra); 136 if (err < 0) { 137 /* 138 dev_dbg(emu->card->dev, "pcm_channel_alloc: " 139 "failed extra: voices=%d, frame=%d\n", 140 voices, frame); 141 */ 142 for (i = 0; i < voices; i++) { 143 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 144 epcm->voices[i] = NULL; 145 } 146 return err; 147 } 148 epcm->extra->epcm = epcm; 149 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 150 } 151 return 0; 152 } 153 154 static const unsigned int capture_period_sizes[31] = { 155 384, 448, 512, 640, 156 384*2, 448*2, 512*2, 640*2, 157 384*4, 448*4, 512*4, 640*4, 158 384*8, 448*8, 512*8, 640*8, 159 384*16, 448*16, 512*16, 640*16, 160 384*32, 448*32, 512*32, 640*32, 161 384*64, 448*64, 512*64, 640*64, 162 384*128,448*128,512*128 163 }; 164 165 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 166 .count = 31, 167 .list = capture_period_sizes, 168 .mask = 0 169 }; 170 171 static const unsigned int capture_rates[8] = { 172 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 173 }; 174 175 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 176 .count = 8, 177 .list = capture_rates, 178 .mask = 0 179 }; 180 181 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 182 { 183 switch (rate) { 184 case 8000: return ADCCR_SAMPLERATE_8; 185 case 11025: return ADCCR_SAMPLERATE_11; 186 case 16000: return ADCCR_SAMPLERATE_16; 187 case 22050: return ADCCR_SAMPLERATE_22; 188 case 24000: return ADCCR_SAMPLERATE_24; 189 case 32000: return ADCCR_SAMPLERATE_32; 190 case 44100: return ADCCR_SAMPLERATE_44; 191 case 48000: return ADCCR_SAMPLERATE_48; 192 default: 193 snd_BUG(); 194 return ADCCR_SAMPLERATE_8; 195 } 196 } 197 198 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 199 { 200 switch (rate) { 201 case 8000: return A_ADCCR_SAMPLERATE_8; 202 case 11025: return A_ADCCR_SAMPLERATE_11; 203 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 204 case 16000: return ADCCR_SAMPLERATE_16; 205 case 22050: return ADCCR_SAMPLERATE_22; 206 case 24000: return ADCCR_SAMPLERATE_24; 207 case 32000: return ADCCR_SAMPLERATE_32; 208 case 44100: return ADCCR_SAMPLERATE_44; 209 case 48000: return ADCCR_SAMPLERATE_48; 210 default: 211 snd_BUG(); 212 return A_ADCCR_SAMPLERATE_8; 213 } 214 } 215 216 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 217 { 218 unsigned int pitch_target; 219 220 pitch_target = (rate << 8) / 375; 221 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 222 return pitch_target; 223 } 224 225 #define PITCH_48000 0x00004000 226 #define PITCH_96000 0x00008000 227 #define PITCH_85000 0x00007155 228 #define PITCH_80726 0x00006ba2 229 #define PITCH_67882 0x00005a82 230 #define PITCH_57081 0x00004c1c 231 232 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 233 { 234 if (pitch_target == PITCH_48000) 235 return CCCA_INTERPROM_0; 236 else if (pitch_target < PITCH_48000) 237 return CCCA_INTERPROM_1; 238 else if (pitch_target >= PITCH_96000) 239 return CCCA_INTERPROM_0; 240 else if (pitch_target >= PITCH_85000) 241 return CCCA_INTERPROM_6; 242 else if (pitch_target >= PITCH_80726) 243 return CCCA_INTERPROM_5; 244 else if (pitch_target >= PITCH_67882) 245 return CCCA_INTERPROM_4; 246 else if (pitch_target >= PITCH_57081) 247 return CCCA_INTERPROM_3; 248 else 249 return CCCA_INTERPROM_2; 250 } 251 252 /* 253 * calculate cache invalidate size 254 * 255 * stereo: channel is stereo 256 * w_16: using 16bit samples 257 * 258 * returns: cache invalidate size in samples 259 */ 260 static inline int emu10k1_ccis(int stereo, int w_16) 261 { 262 if (w_16) { 263 return stereo ? 24 : 26; 264 } else { 265 return stereo ? 24*2 : 26*2; 266 } 267 } 268 269 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 270 int master, int extra, 271 struct snd_emu10k1_voice *evoice, 272 unsigned int start_addr, 273 unsigned int end_addr, 274 struct snd_emu10k1_pcm_mixer *mix) 275 { 276 struct snd_pcm_substream *substream = evoice->epcm->substream; 277 struct snd_pcm_runtime *runtime = substream->runtime; 278 unsigned int silent_page, tmp; 279 int voice, stereo, w_16; 280 unsigned char send_amount[8]; 281 unsigned char send_routing[8]; 282 unsigned long flags; 283 unsigned int pitch_target; 284 unsigned int ccis; 285 286 voice = evoice->number; 287 stereo = runtime->channels == 2; 288 w_16 = snd_pcm_format_width(runtime->format) == 16; 289 290 if (!extra && stereo) { 291 start_addr >>= 1; 292 end_addr >>= 1; 293 } 294 if (w_16) { 295 start_addr >>= 1; 296 end_addr >>= 1; 297 } 298 299 spin_lock_irqsave(&emu->reg_lock, flags); 300 301 /* volume parameters */ 302 if (extra) { 303 memset(send_routing, 0, sizeof(send_routing)); 304 send_routing[0] = 0; 305 send_routing[1] = 1; 306 send_routing[2] = 2; 307 send_routing[3] = 3; 308 memset(send_amount, 0, sizeof(send_amount)); 309 } else { 310 /* mono, left, right (master voice = left) */ 311 tmp = stereo ? (master ? 1 : 2) : 0; 312 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 313 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 314 } 315 316 ccis = emu10k1_ccis(stereo, w_16); 317 318 if (master) { 319 evoice->epcm->ccca_start_addr = start_addr + ccis; 320 if (extra) { 321 start_addr += ccis; 322 end_addr += ccis + emu->delay_pcm_irq; 323 } 324 if (stereo && !extra) { 325 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 326 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 327 } else { 328 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 329 } 330 } 331 332 /* setup routing */ 333 if (emu->audigy) { 334 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 335 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 336 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 337 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 338 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 339 ((unsigned int)send_amount[4] << 24) | 340 ((unsigned int)send_amount[5] << 16) | 341 ((unsigned int)send_amount[6] << 8) | 342 (unsigned int)send_amount[7]); 343 } else 344 snd_emu10k1_ptr_write(emu, FXRT, voice, 345 snd_emu10k1_compose_send_routing(send_routing)); 346 /* Stop CA */ 347 /* Assumption that PT is already 0 so no harm overwriting */ 348 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 349 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 350 snd_emu10k1_ptr_write(emu, PSST, voice, 351 (start_addr + (extra ? emu->delay_pcm_irq : 0)) | 352 (send_amount[2] << 24)); 353 if (emu->card_capabilities->emu_model) 354 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 355 else 356 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 357 if (extra) 358 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 359 emu10k1_select_interprom(pitch_target) | 360 (w_16 ? 0 : CCCA_8BITSELECT)); 361 else 362 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 363 emu10k1_select_interprom(pitch_target) | 364 (w_16 ? 0 : CCCA_8BITSELECT)); 365 /* Clear filter delay memory */ 366 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 367 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 368 /* invalidate maps */ 369 silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); 370 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 371 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 372 /* modulation envelope */ 373 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 374 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 375 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 376 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 377 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 378 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 379 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 380 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 381 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 382 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 383 /* volume envelope */ 384 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 385 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 386 /* filter envelope */ 387 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 388 /* pitch envelope */ 389 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 390 391 spin_unlock_irqrestore(&emu->reg_lock, flags); 392 } 393 394 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 395 struct snd_pcm_hw_params *hw_params) 396 { 397 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 398 struct snd_pcm_runtime *runtime = substream->runtime; 399 struct snd_emu10k1_pcm *epcm = runtime->private_data; 400 size_t alloc_size; 401 int err; 402 403 err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params)); 404 if (err < 0) 405 return err; 406 407 alloc_size = params_buffer_bytes(hw_params); 408 if (emu->iommu_workaround) 409 alloc_size += EMUPAGESIZE; 410 err = snd_pcm_lib_malloc_pages(substream, alloc_size); 411 if (err < 0) 412 return err; 413 if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE) 414 runtime->dma_bytes -= EMUPAGESIZE; 415 if (err > 0) { /* change */ 416 int mapped; 417 if (epcm->memblk != NULL) 418 snd_emu10k1_free_pages(emu, epcm->memblk); 419 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 420 epcm->start_addr = 0; 421 if (! epcm->memblk) 422 return -ENOMEM; 423 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 424 if (mapped < 0) 425 return -ENOMEM; 426 epcm->start_addr = mapped << PAGE_SHIFT; 427 } 428 return 0; 429 } 430 431 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 432 { 433 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 434 struct snd_pcm_runtime *runtime = substream->runtime; 435 struct snd_emu10k1_pcm *epcm; 436 437 if (runtime->private_data == NULL) 438 return 0; 439 epcm = runtime->private_data; 440 if (epcm->extra) { 441 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 442 epcm->extra = NULL; 443 } 444 if (epcm->voices[1]) { 445 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 446 epcm->voices[1] = NULL; 447 } 448 if (epcm->voices[0]) { 449 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 450 epcm->voices[0] = NULL; 451 } 452 if (epcm->memblk) { 453 snd_emu10k1_free_pages(emu, epcm->memblk); 454 epcm->memblk = NULL; 455 epcm->start_addr = 0; 456 } 457 snd_pcm_lib_free_pages(substream); 458 return 0; 459 } 460 461 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 462 { 463 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 464 struct snd_pcm_runtime *runtime = substream->runtime; 465 struct snd_emu10k1_pcm *epcm; 466 int i; 467 468 if (runtime->private_data == NULL) 469 return 0; 470 epcm = runtime->private_data; 471 if (epcm->extra) { 472 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 473 epcm->extra = NULL; 474 } 475 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 476 if (epcm->voices[i]) { 477 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 478 epcm->voices[i] = NULL; 479 } 480 } 481 if (epcm->memblk) { 482 snd_emu10k1_free_pages(emu, epcm->memblk); 483 epcm->memblk = NULL; 484 epcm->start_addr = 0; 485 } 486 snd_pcm_lib_free_pages(substream); 487 return 0; 488 } 489 490 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 491 { 492 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 493 struct snd_pcm_runtime *runtime = substream->runtime; 494 struct snd_emu10k1_pcm *epcm = runtime->private_data; 495 unsigned int start_addr, end_addr; 496 497 start_addr = epcm->start_addr; 498 end_addr = snd_pcm_lib_period_bytes(substream); 499 if (runtime->channels == 2) { 500 start_addr >>= 1; 501 end_addr >>= 1; 502 } 503 end_addr += start_addr; 504 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 505 start_addr, end_addr, NULL); 506 start_addr = epcm->start_addr; 507 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 508 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 509 start_addr, end_addr, 510 &emu->pcm_mixer[substream->number]); 511 if (epcm->voices[1]) 512 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 513 start_addr, end_addr, 514 &emu->pcm_mixer[substream->number]); 515 return 0; 516 } 517 518 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 519 { 520 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 521 struct snd_pcm_runtime *runtime = substream->runtime; 522 struct snd_emu10k1_pcm *epcm = runtime->private_data; 523 unsigned int start_addr, end_addr; 524 unsigned int channel_size; 525 int i; 526 527 start_addr = epcm->start_addr; 528 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 529 530 /* 531 * the kX driver leaves some space between voices 532 */ 533 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 534 535 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 536 start_addr, start_addr + (channel_size / 2), NULL); 537 538 /* only difference with the master voice is we use it for the pointer */ 539 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 540 start_addr, start_addr + channel_size, 541 &emu->efx_pcm_mixer[0]); 542 543 start_addr += channel_size; 544 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 545 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 546 start_addr, start_addr + channel_size, 547 &emu->efx_pcm_mixer[i]); 548 start_addr += channel_size; 549 } 550 551 return 0; 552 } 553 554 static const struct snd_pcm_hardware snd_emu10k1_efx_playback = 555 { 556 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 557 SNDRV_PCM_INFO_BLOCK_TRANSFER | 558 SNDRV_PCM_INFO_RESUME | 559 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 560 .formats = SNDRV_PCM_FMTBIT_S16_LE, 561 .rates = SNDRV_PCM_RATE_48000, 562 .rate_min = 48000, 563 .rate_max = 48000, 564 .channels_min = NUM_EFX_PLAYBACK, 565 .channels_max = NUM_EFX_PLAYBACK, 566 .buffer_bytes_max = (64*1024), 567 .period_bytes_min = 64, 568 .period_bytes_max = (64*1024), 569 .periods_min = 2, 570 .periods_max = 2, 571 .fifo_size = 0, 572 }; 573 574 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 575 { 576 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 577 struct snd_pcm_runtime *runtime = substream->runtime; 578 struct snd_emu10k1_pcm *epcm = runtime->private_data; 579 int idx; 580 581 /* zeroing the buffer size will stop capture */ 582 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 583 switch (epcm->type) { 584 case CAPTURE_AC97ADC: 585 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 586 break; 587 case CAPTURE_EFX: 588 if (emu->audigy) { 589 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 590 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 591 } else 592 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 593 break; 594 default: 595 break; 596 } 597 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 598 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 599 epcm->capture_bs_val = 0; 600 for (idx = 0; idx < 31; idx++) { 601 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 602 epcm->capture_bs_val = idx + 1; 603 break; 604 } 605 } 606 if (epcm->capture_bs_val == 0) { 607 snd_BUG(); 608 epcm->capture_bs_val++; 609 } 610 if (epcm->type == CAPTURE_AC97ADC) { 611 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 612 if (runtime->channels > 1) 613 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 614 epcm->capture_cr_val |= emu->audigy ? 615 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 616 snd_emu10k1_capture_rate_reg(runtime->rate); 617 } 618 return 0; 619 } 620 621 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 622 { 623 struct snd_pcm_runtime *runtime; 624 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 625 626 if (evoice == NULL) 627 return; 628 runtime = evoice->epcm->substream->runtime; 629 voice = evoice->number; 630 stereo = (!extra && runtime->channels == 2); 631 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 632 ccis = emu10k1_ccis(stereo, sample == 0); 633 /* set cs to 2 * number of cache registers beside the invalidated */ 634 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 635 if (cs > 16) cs = 16; 636 for (i = 0; i < cs; i++) { 637 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 638 if (stereo) { 639 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 640 } 641 } 642 /* reset cache */ 643 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 644 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 645 if (stereo) { 646 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 647 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 648 } 649 /* fill cache */ 650 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 651 if (stereo) { 652 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 653 } 654 } 655 656 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 657 int master, int extra, 658 struct snd_emu10k1_pcm_mixer *mix) 659 { 660 struct snd_pcm_substream *substream; 661 struct snd_pcm_runtime *runtime; 662 unsigned int attn, vattn; 663 unsigned int voice, tmp; 664 665 if (evoice == NULL) /* skip second voice for mono */ 666 return; 667 substream = evoice->epcm->substream; 668 runtime = substream->runtime; 669 voice = evoice->number; 670 671 attn = extra ? 0 : 0x00ff; 672 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 673 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 674 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 675 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 676 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 677 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 678 snd_emu10k1_voice_clear_loop_stop(emu, voice); 679 } 680 681 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 682 { 683 struct snd_pcm_substream *substream; 684 struct snd_pcm_runtime *runtime; 685 unsigned int voice, pitch, pitch_target; 686 687 if (evoice == NULL) /* skip second voice for mono */ 688 return; 689 substream = evoice->epcm->substream; 690 runtime = substream->runtime; 691 voice = evoice->number; 692 693 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 694 if (emu->card_capabilities->emu_model) 695 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 696 else 697 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 698 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 699 if (master || evoice->epcm->type == PLAYBACK_EFX) 700 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 701 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 702 if (extra) 703 snd_emu10k1_voice_intr_enable(emu, voice); 704 } 705 706 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 707 { 708 unsigned int voice; 709 710 if (evoice == NULL) 711 return; 712 voice = evoice->number; 713 snd_emu10k1_voice_intr_disable(emu, voice); 714 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 715 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 716 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 717 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 718 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 719 snd_emu10k1_ptr_write(emu, IP, voice, 0); 720 } 721 722 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 723 struct snd_emu10k1_pcm *epcm, 724 struct snd_pcm_substream *substream, 725 struct snd_pcm_runtime *runtime) 726 { 727 unsigned int ptr, period_pos; 728 729 /* try to sychronize the current position for the interrupt 730 source voice */ 731 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 732 period_pos %= runtime->period_size; 733 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 734 ptr &= ~0x00ffffff; 735 ptr |= epcm->ccca_start_addr + period_pos; 736 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 737 } 738 739 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 740 int cmd) 741 { 742 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 743 struct snd_pcm_runtime *runtime = substream->runtime; 744 struct snd_emu10k1_pcm *epcm = runtime->private_data; 745 struct snd_emu10k1_pcm_mixer *mix; 746 int result = 0; 747 748 /* 749 dev_dbg(emu->card->dev, 750 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 751 (int)emu, cmd, substream->ops->pointer(substream)) 752 */ 753 spin_lock(&emu->reg_lock); 754 switch (cmd) { 755 case SNDRV_PCM_TRIGGER_START: 756 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 757 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 758 fallthrough; 759 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 760 case SNDRV_PCM_TRIGGER_RESUME: 761 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 762 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 763 mix = &emu->pcm_mixer[substream->number]; 764 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 765 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 766 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 767 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 768 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 769 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 770 epcm->running = 1; 771 break; 772 case SNDRV_PCM_TRIGGER_STOP: 773 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 774 case SNDRV_PCM_TRIGGER_SUSPEND: 775 epcm->running = 0; 776 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 777 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 778 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 779 break; 780 default: 781 result = -EINVAL; 782 break; 783 } 784 spin_unlock(&emu->reg_lock); 785 return result; 786 } 787 788 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 789 int cmd) 790 { 791 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 792 struct snd_pcm_runtime *runtime = substream->runtime; 793 struct snd_emu10k1_pcm *epcm = runtime->private_data; 794 int result = 0; 795 796 spin_lock(&emu->reg_lock); 797 switch (cmd) { 798 case SNDRV_PCM_TRIGGER_START: 799 case SNDRV_PCM_TRIGGER_RESUME: 800 /* hmm this should cause full and half full interrupt to be raised? */ 801 outl(epcm->capture_ipr, emu->port + IPR); 802 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 803 /* 804 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", 805 epcm->adccr, epcm->adcbs); 806 */ 807 switch (epcm->type) { 808 case CAPTURE_AC97ADC: 809 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 810 break; 811 case CAPTURE_EFX: 812 if (emu->audigy) { 813 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 814 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 815 dev_dbg(emu->card->dev, 816 "cr_val=0x%x, cr_val2=0x%x\n", 817 epcm->capture_cr_val, 818 epcm->capture_cr_val2); 819 } else 820 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 821 break; 822 default: 823 break; 824 } 825 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 826 epcm->running = 1; 827 epcm->first_ptr = 1; 828 break; 829 case SNDRV_PCM_TRIGGER_STOP: 830 case SNDRV_PCM_TRIGGER_SUSPEND: 831 epcm->running = 0; 832 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 833 outl(epcm->capture_ipr, emu->port + IPR); 834 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 835 switch (epcm->type) { 836 case CAPTURE_AC97ADC: 837 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 838 break; 839 case CAPTURE_EFX: 840 if (emu->audigy) { 841 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 842 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 843 } else 844 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 845 break; 846 default: 847 break; 848 } 849 break; 850 default: 851 result = -EINVAL; 852 } 853 spin_unlock(&emu->reg_lock); 854 return result; 855 } 856 857 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 858 { 859 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 860 struct snd_pcm_runtime *runtime = substream->runtime; 861 struct snd_emu10k1_pcm *epcm = runtime->private_data; 862 unsigned int ptr; 863 864 if (!epcm->running) 865 return 0; 866 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 867 #if 0 /* Perex's code */ 868 ptr += runtime->buffer_size; 869 ptr -= epcm->ccca_start_addr; 870 ptr %= runtime->buffer_size; 871 #else /* EMU10K1 Open Source code from Creative */ 872 if (ptr < epcm->ccca_start_addr) 873 ptr += runtime->buffer_size - epcm->ccca_start_addr; 874 else { 875 ptr -= epcm->ccca_start_addr; 876 if (ptr >= runtime->buffer_size) 877 ptr -= runtime->buffer_size; 878 } 879 #endif 880 /* 881 dev_dbg(emu->card->dev, 882 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 883 (long)ptr, (long)runtime->buffer_size, 884 (long)runtime->period_size); 885 */ 886 return ptr; 887 } 888 889 890 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 891 int cmd) 892 { 893 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 894 struct snd_pcm_runtime *runtime = substream->runtime; 895 struct snd_emu10k1_pcm *epcm = runtime->private_data; 896 int i; 897 int result = 0; 898 899 spin_lock(&emu->reg_lock); 900 switch (cmd) { 901 case SNDRV_PCM_TRIGGER_START: 902 /* prepare voices */ 903 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 904 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 905 } 906 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 907 fallthrough; 908 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 909 case SNDRV_PCM_TRIGGER_RESUME: 910 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 911 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 912 &emu->efx_pcm_mixer[0]); 913 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 914 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 915 &emu->efx_pcm_mixer[i]); 916 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 917 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 918 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 919 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 920 epcm->running = 1; 921 break; 922 case SNDRV_PCM_TRIGGER_SUSPEND: 923 case SNDRV_PCM_TRIGGER_STOP: 924 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 925 epcm->running = 0; 926 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 927 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 928 } 929 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 930 break; 931 default: 932 result = -EINVAL; 933 break; 934 } 935 spin_unlock(&emu->reg_lock); 936 return result; 937 } 938 939 940 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 941 { 942 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 943 struct snd_pcm_runtime *runtime = substream->runtime; 944 struct snd_emu10k1_pcm *epcm = runtime->private_data; 945 unsigned int ptr; 946 947 if (!epcm->running) 948 return 0; 949 if (epcm->first_ptr) { 950 udelay(50); /* hack, it takes awhile until capture is started */ 951 epcm->first_ptr = 0; 952 } 953 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 954 return bytes_to_frames(runtime, ptr); 955 } 956 957 /* 958 * Playback support device description 959 */ 960 961 static const struct snd_pcm_hardware snd_emu10k1_playback = 962 { 963 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 964 SNDRV_PCM_INFO_BLOCK_TRANSFER | 965 SNDRV_PCM_INFO_RESUME | 966 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 967 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 968 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 969 .rate_min = 4000, 970 .rate_max = 96000, 971 .channels_min = 1, 972 .channels_max = 2, 973 .buffer_bytes_max = (128*1024), 974 .period_bytes_min = 64, 975 .period_bytes_max = (128*1024), 976 .periods_min = 1, 977 .periods_max = 1024, 978 .fifo_size = 0, 979 }; 980 981 /* 982 * Capture support device description 983 */ 984 985 static const struct snd_pcm_hardware snd_emu10k1_capture = 986 { 987 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 988 SNDRV_PCM_INFO_BLOCK_TRANSFER | 989 SNDRV_PCM_INFO_RESUME | 990 SNDRV_PCM_INFO_MMAP_VALID), 991 .formats = SNDRV_PCM_FMTBIT_S16_LE, 992 .rates = SNDRV_PCM_RATE_8000_48000, 993 .rate_min = 8000, 994 .rate_max = 48000, 995 .channels_min = 1, 996 .channels_max = 2, 997 .buffer_bytes_max = (64*1024), 998 .period_bytes_min = 384, 999 .period_bytes_max = (64*1024), 1000 .periods_min = 2, 1001 .periods_max = 2, 1002 .fifo_size = 0, 1003 }; 1004 1005 static const struct snd_pcm_hardware snd_emu10k1_capture_efx = 1006 { 1007 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1008 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1009 SNDRV_PCM_INFO_RESUME | 1010 SNDRV_PCM_INFO_MMAP_VALID), 1011 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1012 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1013 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1014 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1015 .rate_min = 44100, 1016 .rate_max = 192000, 1017 .channels_min = 8, 1018 .channels_max = 8, 1019 .buffer_bytes_max = (64*1024), 1020 .period_bytes_min = 384, 1021 .period_bytes_max = (64*1024), 1022 .periods_min = 2, 1023 .periods_max = 2, 1024 .fifo_size = 0, 1025 }; 1026 1027 /* 1028 * 1029 */ 1030 1031 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1032 { 1033 struct snd_ctl_elem_id id; 1034 1035 if (! kctl) 1036 return; 1037 if (activate) 1038 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1039 else 1040 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1041 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1042 SNDRV_CTL_EVENT_MASK_INFO, 1043 snd_ctl_build_ioff(&id, kctl, idx)); 1044 } 1045 1046 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1047 { 1048 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1049 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1050 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1051 } 1052 1053 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1054 { 1055 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1056 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1057 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1058 } 1059 1060 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1061 { 1062 kfree(runtime->private_data); 1063 } 1064 1065 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1066 { 1067 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1068 struct snd_emu10k1_pcm_mixer *mix; 1069 int i; 1070 1071 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1072 mix = &emu->efx_pcm_mixer[i]; 1073 mix->epcm = NULL; 1074 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1075 } 1076 return 0; 1077 } 1078 1079 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1080 { 1081 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1082 struct snd_emu10k1_pcm *epcm; 1083 struct snd_emu10k1_pcm_mixer *mix; 1084 struct snd_pcm_runtime *runtime = substream->runtime; 1085 int i; 1086 1087 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1088 if (epcm == NULL) 1089 return -ENOMEM; 1090 epcm->emu = emu; 1091 epcm->type = PLAYBACK_EFX; 1092 epcm->substream = substream; 1093 1094 emu->pcm_playback_efx_substream = substream; 1095 1096 runtime->private_data = epcm; 1097 runtime->private_free = snd_emu10k1_pcm_free_substream; 1098 runtime->hw = snd_emu10k1_efx_playback; 1099 1100 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1101 mix = &emu->efx_pcm_mixer[i]; 1102 mix->send_routing[0][0] = i; 1103 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1104 mix->send_volume[0][0] = 255; 1105 mix->attn[0] = 0xffff; 1106 mix->epcm = epcm; 1107 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1108 } 1109 return 0; 1110 } 1111 1112 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1113 { 1114 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1115 struct snd_emu10k1_pcm *epcm; 1116 struct snd_emu10k1_pcm_mixer *mix; 1117 struct snd_pcm_runtime *runtime = substream->runtime; 1118 int i, err, sample_rate; 1119 1120 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1121 if (epcm == NULL) 1122 return -ENOMEM; 1123 epcm->emu = emu; 1124 epcm->type = PLAYBACK_EMUVOICE; 1125 epcm->substream = substream; 1126 runtime->private_data = epcm; 1127 runtime->private_free = snd_emu10k1_pcm_free_substream; 1128 runtime->hw = snd_emu10k1_playback; 1129 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 1130 if (err < 0) { 1131 kfree(epcm); 1132 return err; 1133 } 1134 err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX); 1135 if (err < 0) { 1136 kfree(epcm); 1137 return err; 1138 } 1139 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1140 sample_rate = 44100; 1141 else 1142 sample_rate = 48000; 1143 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1144 if (err < 0) { 1145 kfree(epcm); 1146 return err; 1147 } 1148 mix = &emu->pcm_mixer[substream->number]; 1149 for (i = 0; i < 4; i++) 1150 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1151 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1152 mix->send_volume[0][0] = mix->send_volume[0][1] = 1153 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1154 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1155 mix->epcm = epcm; 1156 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1157 return 0; 1158 } 1159 1160 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1161 { 1162 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1163 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1164 1165 mix->epcm = NULL; 1166 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1167 return 0; 1168 } 1169 1170 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1171 { 1172 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1173 struct snd_pcm_runtime *runtime = substream->runtime; 1174 struct snd_emu10k1_pcm *epcm; 1175 1176 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1177 if (epcm == NULL) 1178 return -ENOMEM; 1179 epcm->emu = emu; 1180 epcm->type = CAPTURE_AC97ADC; 1181 epcm->substream = substream; 1182 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1183 epcm->capture_inte = INTE_ADCBUFENABLE; 1184 epcm->capture_ba_reg = ADCBA; 1185 epcm->capture_bs_reg = ADCBS; 1186 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1187 runtime->private_data = epcm; 1188 runtime->private_free = snd_emu10k1_pcm_free_substream; 1189 runtime->hw = snd_emu10k1_capture; 1190 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1191 emu->pcm_capture_substream = substream; 1192 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1193 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1194 return 0; 1195 } 1196 1197 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1198 { 1199 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1200 1201 emu->capture_interrupt = NULL; 1202 emu->pcm_capture_substream = NULL; 1203 return 0; 1204 } 1205 1206 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1207 { 1208 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1209 struct snd_emu10k1_pcm *epcm; 1210 struct snd_pcm_runtime *runtime = substream->runtime; 1211 1212 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1213 if (epcm == NULL) 1214 return -ENOMEM; 1215 epcm->emu = emu; 1216 epcm->type = CAPTURE_AC97MIC; 1217 epcm->substream = substream; 1218 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1219 epcm->capture_inte = INTE_MICBUFENABLE; 1220 epcm->capture_ba_reg = MICBA; 1221 epcm->capture_bs_reg = MICBS; 1222 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1223 substream->runtime->private_data = epcm; 1224 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1225 runtime->hw = snd_emu10k1_capture; 1226 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1227 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1228 runtime->hw.channels_min = 1; 1229 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1230 emu->pcm_capture_mic_substream = substream; 1231 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1232 return 0; 1233 } 1234 1235 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1236 { 1237 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1238 1239 emu->capture_interrupt = NULL; 1240 emu->pcm_capture_mic_substream = NULL; 1241 return 0; 1242 } 1243 1244 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1245 { 1246 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1247 struct snd_emu10k1_pcm *epcm; 1248 struct snd_pcm_runtime *runtime = substream->runtime; 1249 int nefx = emu->audigy ? 64 : 32; 1250 int idx; 1251 1252 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1253 if (epcm == NULL) 1254 return -ENOMEM; 1255 epcm->emu = emu; 1256 epcm->type = CAPTURE_EFX; 1257 epcm->substream = substream; 1258 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1259 epcm->capture_inte = INTE_EFXBUFENABLE; 1260 epcm->capture_ba_reg = FXBA; 1261 epcm->capture_bs_reg = FXBS; 1262 epcm->capture_idx_reg = FXIDX; 1263 substream->runtime->private_data = epcm; 1264 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1265 runtime->hw = snd_emu10k1_capture_efx; 1266 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1267 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1268 spin_lock_irq(&emu->reg_lock); 1269 if (emu->card_capabilities->emu_model) { 1270 /* Nb. of channels has been increased to 16 */ 1271 /* TODO 1272 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1273 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1274 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1275 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1276 * rate_min = 44100, 1277 * rate_max = 192000, 1278 * channels_min = 16, 1279 * channels_max = 16, 1280 * Need to add mixer control to fix sample rate 1281 * 1282 * There are 32 mono channels of 16bits each. 1283 * 24bit Audio uses 2x channels over 16bit 1284 * 96kHz uses 2x channels over 48kHz 1285 * 192kHz uses 4x channels over 48kHz 1286 * So, for 48kHz 24bit, one has 16 channels 1287 * for 96kHz 24bit, one has 8 channels 1288 * for 192kHz 24bit, one has 4 channels 1289 * 1290 */ 1291 #if 1 1292 switch (emu->emu1010.internal_clock) { 1293 case 0: 1294 /* For 44.1kHz */ 1295 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1296 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1297 runtime->hw.channels_min = 1298 runtime->hw.channels_max = 16; 1299 break; 1300 case 1: 1301 /* For 48kHz */ 1302 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1303 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1304 runtime->hw.channels_min = 1305 runtime->hw.channels_max = 16; 1306 break; 1307 } 1308 #endif 1309 #if 0 1310 /* For 96kHz */ 1311 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1312 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1313 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1314 #endif 1315 #if 0 1316 /* For 192kHz */ 1317 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1318 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1319 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1320 #endif 1321 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1322 /* efx_voices_mask[0] is expected to be zero 1323 * efx_voices_mask[1] is expected to have 32bits set 1324 */ 1325 } else { 1326 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1327 for (idx = 0; idx < nefx; idx++) { 1328 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1329 runtime->hw.channels_min++; 1330 runtime->hw.channels_max++; 1331 } 1332 } 1333 } 1334 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1335 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1336 spin_unlock_irq(&emu->reg_lock); 1337 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1338 emu->pcm_capture_efx_substream = substream; 1339 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1340 return 0; 1341 } 1342 1343 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1344 { 1345 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1346 1347 emu->capture_interrupt = NULL; 1348 emu->pcm_capture_efx_substream = NULL; 1349 return 0; 1350 } 1351 1352 static const struct snd_pcm_ops snd_emu10k1_playback_ops = { 1353 .open = snd_emu10k1_playback_open, 1354 .close = snd_emu10k1_playback_close, 1355 .hw_params = snd_emu10k1_playback_hw_params, 1356 .hw_free = snd_emu10k1_playback_hw_free, 1357 .prepare = snd_emu10k1_playback_prepare, 1358 .trigger = snd_emu10k1_playback_trigger, 1359 .pointer = snd_emu10k1_playback_pointer, 1360 }; 1361 1362 static const struct snd_pcm_ops snd_emu10k1_capture_ops = { 1363 .open = snd_emu10k1_capture_open, 1364 .close = snd_emu10k1_capture_close, 1365 .prepare = snd_emu10k1_capture_prepare, 1366 .trigger = snd_emu10k1_capture_trigger, 1367 .pointer = snd_emu10k1_capture_pointer, 1368 }; 1369 1370 /* EFX playback */ 1371 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1372 .open = snd_emu10k1_efx_playback_open, 1373 .close = snd_emu10k1_efx_playback_close, 1374 .hw_params = snd_emu10k1_playback_hw_params, 1375 .hw_free = snd_emu10k1_efx_playback_hw_free, 1376 .prepare = snd_emu10k1_efx_playback_prepare, 1377 .trigger = snd_emu10k1_efx_playback_trigger, 1378 .pointer = snd_emu10k1_efx_playback_pointer, 1379 }; 1380 1381 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) 1382 { 1383 struct snd_pcm *pcm; 1384 struct snd_pcm_substream *substream; 1385 int err; 1386 1387 err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm); 1388 if (err < 0) 1389 return err; 1390 1391 pcm->private_data = emu; 1392 1393 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1394 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1395 1396 pcm->info_flags = 0; 1397 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1398 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1399 emu->pcm = pcm; 1400 1401 /* playback substream can't use managed buffers due to alignment */ 1402 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1403 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1404 &emu->pci->dev, 1405 64*1024, 64*1024); 1406 1407 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1408 snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV, 1409 &emu->pci->dev, 64*1024, 64*1024); 1410 1411 return 0; 1412 } 1413 1414 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) 1415 { 1416 struct snd_pcm *pcm; 1417 struct snd_pcm_substream *substream; 1418 int err; 1419 1420 err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm); 1421 if (err < 0) 1422 return err; 1423 1424 pcm->private_data = emu; 1425 1426 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1427 1428 pcm->info_flags = 0; 1429 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1430 strcpy(pcm->name, "Multichannel Playback"); 1431 emu->pcm_multi = pcm; 1432 1433 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1434 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1435 &emu->pci->dev, 1436 64*1024, 64*1024); 1437 1438 return 0; 1439 } 1440 1441 1442 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1443 .open = snd_emu10k1_capture_mic_open, 1444 .close = snd_emu10k1_capture_mic_close, 1445 .prepare = snd_emu10k1_capture_prepare, 1446 .trigger = snd_emu10k1_capture_trigger, 1447 .pointer = snd_emu10k1_capture_pointer, 1448 }; 1449 1450 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) 1451 { 1452 struct snd_pcm *pcm; 1453 int err; 1454 1455 err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm); 1456 if (err < 0) 1457 return err; 1458 1459 pcm->private_data = emu; 1460 1461 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1462 1463 pcm->info_flags = 0; 1464 strcpy(pcm->name, "Mic Capture"); 1465 emu->pcm_mic = pcm; 1466 1467 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev, 1468 64*1024, 64*1024); 1469 1470 return 0; 1471 } 1472 1473 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1474 { 1475 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1476 int nefx = emu->audigy ? 64 : 32; 1477 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1478 uinfo->count = nefx; 1479 uinfo->value.integer.min = 0; 1480 uinfo->value.integer.max = 1; 1481 return 0; 1482 } 1483 1484 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1485 { 1486 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1487 int nefx = emu->audigy ? 64 : 32; 1488 int idx; 1489 1490 spin_lock_irq(&emu->reg_lock); 1491 for (idx = 0; idx < nefx; idx++) 1492 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1493 spin_unlock_irq(&emu->reg_lock); 1494 return 0; 1495 } 1496 1497 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1498 { 1499 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1500 unsigned int nval[2], bits; 1501 int nefx = emu->audigy ? 64 : 32; 1502 int nefxb = emu->audigy ? 7 : 6; 1503 int change, idx; 1504 1505 nval[0] = nval[1] = 0; 1506 for (idx = 0, bits = 0; idx < nefx; idx++) 1507 if (ucontrol->value.integer.value[idx]) { 1508 nval[idx / 32] |= 1 << (idx % 32); 1509 bits++; 1510 } 1511 1512 for (idx = 0; idx < nefxb; idx++) 1513 if (1 << idx == bits) 1514 break; 1515 1516 if (idx >= nefxb) 1517 return -EINVAL; 1518 1519 spin_lock_irq(&emu->reg_lock); 1520 change = (nval[0] != emu->efx_voices_mask[0]) || 1521 (nval[1] != emu->efx_voices_mask[1]); 1522 emu->efx_voices_mask[0] = nval[0]; 1523 emu->efx_voices_mask[1] = nval[1]; 1524 spin_unlock_irq(&emu->reg_lock); 1525 return change; 1526 } 1527 1528 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1529 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1530 .name = "Captured FX8010 Outputs", 1531 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1532 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1533 .put = snd_emu10k1_pcm_efx_voices_mask_put 1534 }; 1535 1536 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1537 .open = snd_emu10k1_capture_efx_open, 1538 .close = snd_emu10k1_capture_efx_close, 1539 .prepare = snd_emu10k1_capture_prepare, 1540 .trigger = snd_emu10k1_capture_trigger, 1541 .pointer = snd_emu10k1_capture_pointer, 1542 }; 1543 1544 1545 /* EFX playback */ 1546 1547 #define INITIAL_TRAM_SHIFT 14 1548 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1549 1550 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1551 { 1552 struct snd_pcm_substream *substream = private_data; 1553 snd_pcm_period_elapsed(substream); 1554 } 1555 1556 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1557 unsigned short *dst_right, 1558 unsigned short *src, 1559 unsigned int count, 1560 unsigned int tram_shift) 1561 { 1562 /* 1563 dev_dbg(emu->card->dev, 1564 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1565 "src = 0x%p, count = 0x%x\n", 1566 dst_left, dst_right, src, count); 1567 */ 1568 if ((tram_shift & 1) == 0) { 1569 while (count--) { 1570 *dst_left-- = *src++; 1571 *dst_right-- = *src++; 1572 } 1573 } else { 1574 while (count--) { 1575 *dst_right-- = *src++; 1576 *dst_left-- = *src++; 1577 } 1578 } 1579 } 1580 1581 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1582 struct snd_pcm_indirect *rec, size_t bytes) 1583 { 1584 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1585 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1586 unsigned int tram_size = pcm->buffer_size; 1587 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1588 unsigned int frames = bytes >> 2, count; 1589 unsigned int tram_pos = pcm->tram_pos; 1590 unsigned int tram_shift = pcm->tram_shift; 1591 1592 while (frames > tram_pos) { 1593 count = tram_pos + 1; 1594 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1595 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1596 src, count, tram_shift); 1597 src += count * 2; 1598 frames -= count; 1599 tram_pos = (tram_size / 2) - 1; 1600 tram_shift++; 1601 } 1602 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1603 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1604 src, frames, tram_shift); 1605 tram_pos -= frames; 1606 pcm->tram_pos = tram_pos; 1607 pcm->tram_shift = tram_shift; 1608 } 1609 1610 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1611 { 1612 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1613 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1614 1615 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, 1616 fx8010_pb_trans_copy); 1617 } 1618 1619 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1620 { 1621 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1622 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1623 unsigned int i; 1624 1625 for (i = 0; i < pcm->channels; i++) 1626 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1627 return 0; 1628 } 1629 1630 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1631 { 1632 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1633 struct snd_pcm_runtime *runtime = substream->runtime; 1634 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1635 unsigned int i; 1636 1637 /* 1638 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1639 "buffer_size = 0x%x (0x%x)\n", 1640 emu->fx8010.etram_pages, runtime->dma_area, 1641 runtime->buffer_size, runtime->buffer_size << 2); 1642 */ 1643 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1644 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1645 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1646 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1647 pcm->tram_shift = 0; 1648 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1649 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1650 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1651 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1652 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1653 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1654 for (i = 0; i < pcm->channels; i++) 1655 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1656 return 0; 1657 } 1658 1659 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1660 { 1661 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1662 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1663 int result = 0; 1664 1665 spin_lock(&emu->reg_lock); 1666 switch (cmd) { 1667 case SNDRV_PCM_TRIGGER_START: 1668 /* follow thru */ 1669 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1670 case SNDRV_PCM_TRIGGER_RESUME: 1671 #ifdef EMU10K1_SET_AC3_IEC958 1672 { 1673 int i; 1674 for (i = 0; i < 3; i++) { 1675 unsigned int bits; 1676 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1677 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1678 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1679 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1680 } 1681 } 1682 #endif 1683 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1684 if (result < 0) 1685 goto __err; 1686 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1687 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1688 break; 1689 case SNDRV_PCM_TRIGGER_STOP: 1690 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1691 case SNDRV_PCM_TRIGGER_SUSPEND: 1692 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq); 1693 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1694 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1695 pcm->tram_shift = 0; 1696 break; 1697 default: 1698 result = -EINVAL; 1699 break; 1700 } 1701 __err: 1702 spin_unlock(&emu->reg_lock); 1703 return result; 1704 } 1705 1706 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1707 { 1708 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1709 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1710 size_t ptr; /* byte pointer */ 1711 1712 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1713 return 0; 1714 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1715 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1716 } 1717 1718 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1719 { 1720 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1721 SNDRV_PCM_INFO_RESUME | 1722 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE | 1723 SNDRV_PCM_INFO_SYNC_APPLPTR), 1724 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1725 .rates = SNDRV_PCM_RATE_48000, 1726 .rate_min = 48000, 1727 .rate_max = 48000, 1728 .channels_min = 1, 1729 .channels_max = 1, 1730 .buffer_bytes_max = (128*1024), 1731 .period_bytes_min = 1024, 1732 .period_bytes_max = (128*1024), 1733 .periods_min = 2, 1734 .periods_max = 1024, 1735 .fifo_size = 0, 1736 }; 1737 1738 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1739 { 1740 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1741 struct snd_pcm_runtime *runtime = substream->runtime; 1742 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1743 1744 runtime->hw = snd_emu10k1_fx8010_playback; 1745 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1746 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1747 spin_lock_irq(&emu->reg_lock); 1748 if (pcm->valid == 0) { 1749 spin_unlock_irq(&emu->reg_lock); 1750 return -ENODEV; 1751 } 1752 pcm->opened = 1; 1753 spin_unlock_irq(&emu->reg_lock); 1754 return 0; 1755 } 1756 1757 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1758 { 1759 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1760 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1761 1762 spin_lock_irq(&emu->reg_lock); 1763 pcm->opened = 0; 1764 spin_unlock_irq(&emu->reg_lock); 1765 return 0; 1766 } 1767 1768 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1769 .open = snd_emu10k1_fx8010_playback_open, 1770 .close = snd_emu10k1_fx8010_playback_close, 1771 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1772 .prepare = snd_emu10k1_fx8010_playback_prepare, 1773 .trigger = snd_emu10k1_fx8010_playback_trigger, 1774 .pointer = snd_emu10k1_fx8010_playback_pointer, 1775 .ack = snd_emu10k1_fx8010_playback_transfer, 1776 }; 1777 1778 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) 1779 { 1780 struct snd_pcm *pcm; 1781 struct snd_kcontrol *kctl; 1782 int err; 1783 1784 err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm); 1785 if (err < 0) 1786 return err; 1787 1788 pcm->private_data = emu; 1789 1790 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1791 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1792 1793 pcm->info_flags = 0; 1794 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1795 emu->pcm_efx = pcm; 1796 1797 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1798 * to these 1799 */ 1800 1801 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1802 if (emu->audigy) { 1803 emu->efx_voices_mask[0] = 0; 1804 if (emu->card_capabilities->emu_model) 1805 /* Pavel Hofman - 32 voices will be used for 1806 * capture (write mode) - 1807 * each bit = corresponding voice 1808 */ 1809 emu->efx_voices_mask[1] = 0xffffffff; 1810 else 1811 emu->efx_voices_mask[1] = 0xffff; 1812 } else { 1813 emu->efx_voices_mask[0] = 0xffff0000; 1814 emu->efx_voices_mask[1] = 0; 1815 } 1816 /* For emu1010, the control has to set 32 upper bits (voices) 1817 * out of the 64 bits (voices) to true for the 16-channels capture 1818 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1819 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1820 * control can override this register's value. 1821 */ 1822 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1823 if (!kctl) 1824 return -ENOMEM; 1825 kctl->id.device = device; 1826 err = snd_ctl_add(emu->card, kctl); 1827 if (err < 0) 1828 return err; 1829 1830 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev, 1831 64*1024, 64*1024); 1832 1833 return 0; 1834 } 1835