1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Creative Labs, Inc. 4 * Routines for control of EMU10K1 chips / PCM routines 5 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 6 * 7 * BUGS: 8 * -- 9 * 10 * TODO: 11 * -- 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26 * 27 */ 28 29 #include <linux/pci.h> 30 #include <linux/delay.h> 31 #include <linux/slab.h> 32 #include <linux/time.h> 33 #include <linux/init.h> 34 #include <sound/core.h> 35 #include <sound/emu10k1.h> 36 37 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, 38 struct snd_emu10k1_voice *voice) 39 { 40 struct snd_emu10k1_pcm *epcm; 41 42 if ((epcm = voice->epcm) == NULL) 43 return; 44 if (epcm->substream == NULL) 45 return; 46 #if 0 47 dev_dbg(emu->card->dev, 48 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 49 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 50 snd_pcm_lib_period_bytes(epcm->substream), 51 snd_pcm_lib_buffer_bytes(epcm->substream)); 52 #endif 53 snd_pcm_period_elapsed(epcm->substream); 54 } 55 56 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 57 unsigned int status) 58 { 59 #if 0 60 if (status & IPR_ADCBUFHALFFULL) { 61 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 62 return; 63 } 64 #endif 65 snd_pcm_period_elapsed(emu->pcm_capture_substream); 66 } 67 68 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 69 unsigned int status) 70 { 71 #if 0 72 if (status & IPR_MICBUFHALFFULL) { 73 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 74 return; 75 } 76 #endif 77 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 78 } 79 80 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 81 unsigned int status) 82 { 83 #if 0 84 if (status & IPR_EFXBUFHALFFULL) { 85 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 86 return; 87 } 88 #endif 89 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 90 } 91 92 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 93 { 94 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 95 struct snd_pcm_runtime *runtime = substream->runtime; 96 struct snd_emu10k1_pcm *epcm = runtime->private_data; 97 unsigned int ptr; 98 99 if (!epcm->running) 100 return 0; 101 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 102 ptr += runtime->buffer_size; 103 ptr -= epcm->ccca_start_addr; 104 ptr %= runtime->buffer_size; 105 106 return ptr; 107 } 108 109 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 110 { 111 int err, i; 112 113 if (epcm->voices[1] != NULL && voices < 2) { 114 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 115 epcm->voices[1] = NULL; 116 } 117 for (i = 0; i < voices; i++) { 118 if (epcm->voices[i] == NULL) 119 break; 120 } 121 if (i == voices) 122 return 0; /* already allocated */ 123 124 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 125 if (epcm->voices[i]) { 126 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 127 epcm->voices[i] = NULL; 128 } 129 } 130 err = snd_emu10k1_voice_alloc(epcm->emu, 131 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 132 voices, 133 &epcm->voices[0]); 134 135 if (err < 0) 136 return err; 137 epcm->voices[0]->epcm = epcm; 138 if (voices > 1) { 139 for (i = 1; i < voices; i++) { 140 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 141 epcm->voices[i]->epcm = epcm; 142 } 143 } 144 if (epcm->extra == NULL) { 145 err = snd_emu10k1_voice_alloc(epcm->emu, 146 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 147 1, 148 &epcm->extra); 149 if (err < 0) { 150 /* 151 dev_dbg(emu->card->dev, "pcm_channel_alloc: " 152 "failed extra: voices=%d, frame=%d\n", 153 voices, frame); 154 */ 155 for (i = 0; i < voices; i++) { 156 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 157 epcm->voices[i] = NULL; 158 } 159 return err; 160 } 161 epcm->extra->epcm = epcm; 162 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 163 } 164 return 0; 165 } 166 167 static const unsigned int capture_period_sizes[31] = { 168 384, 448, 512, 640, 169 384*2, 448*2, 512*2, 640*2, 170 384*4, 448*4, 512*4, 640*4, 171 384*8, 448*8, 512*8, 640*8, 172 384*16, 448*16, 512*16, 640*16, 173 384*32, 448*32, 512*32, 640*32, 174 384*64, 448*64, 512*64, 640*64, 175 384*128,448*128,512*128 176 }; 177 178 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 179 .count = 31, 180 .list = capture_period_sizes, 181 .mask = 0 182 }; 183 184 static const unsigned int capture_rates[8] = { 185 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 186 }; 187 188 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 189 .count = 8, 190 .list = capture_rates, 191 .mask = 0 192 }; 193 194 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 195 { 196 switch (rate) { 197 case 8000: return ADCCR_SAMPLERATE_8; 198 case 11025: return ADCCR_SAMPLERATE_11; 199 case 16000: return ADCCR_SAMPLERATE_16; 200 case 22050: return ADCCR_SAMPLERATE_22; 201 case 24000: return ADCCR_SAMPLERATE_24; 202 case 32000: return ADCCR_SAMPLERATE_32; 203 case 44100: return ADCCR_SAMPLERATE_44; 204 case 48000: return ADCCR_SAMPLERATE_48; 205 default: 206 snd_BUG(); 207 return ADCCR_SAMPLERATE_8; 208 } 209 } 210 211 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 212 { 213 switch (rate) { 214 case 8000: return A_ADCCR_SAMPLERATE_8; 215 case 11025: return A_ADCCR_SAMPLERATE_11; 216 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 217 case 16000: return ADCCR_SAMPLERATE_16; 218 case 22050: return ADCCR_SAMPLERATE_22; 219 case 24000: return ADCCR_SAMPLERATE_24; 220 case 32000: return ADCCR_SAMPLERATE_32; 221 case 44100: return ADCCR_SAMPLERATE_44; 222 case 48000: return ADCCR_SAMPLERATE_48; 223 default: 224 snd_BUG(); 225 return A_ADCCR_SAMPLERATE_8; 226 } 227 } 228 229 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 230 { 231 unsigned int pitch_target; 232 233 pitch_target = (rate << 8) / 375; 234 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 235 return pitch_target; 236 } 237 238 #define PITCH_48000 0x00004000 239 #define PITCH_96000 0x00008000 240 #define PITCH_85000 0x00007155 241 #define PITCH_80726 0x00006ba2 242 #define PITCH_67882 0x00005a82 243 #define PITCH_57081 0x00004c1c 244 245 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 246 { 247 if (pitch_target == PITCH_48000) 248 return CCCA_INTERPROM_0; 249 else if (pitch_target < PITCH_48000) 250 return CCCA_INTERPROM_1; 251 else if (pitch_target >= PITCH_96000) 252 return CCCA_INTERPROM_0; 253 else if (pitch_target >= PITCH_85000) 254 return CCCA_INTERPROM_6; 255 else if (pitch_target >= PITCH_80726) 256 return CCCA_INTERPROM_5; 257 else if (pitch_target >= PITCH_67882) 258 return CCCA_INTERPROM_4; 259 else if (pitch_target >= PITCH_57081) 260 return CCCA_INTERPROM_3; 261 else 262 return CCCA_INTERPROM_2; 263 } 264 265 /* 266 * calculate cache invalidate size 267 * 268 * stereo: channel is stereo 269 * w_16: using 16bit samples 270 * 271 * returns: cache invalidate size in samples 272 */ 273 static inline int emu10k1_ccis(int stereo, int w_16) 274 { 275 if (w_16) { 276 return stereo ? 24 : 26; 277 } else { 278 return stereo ? 24*2 : 26*2; 279 } 280 } 281 282 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 283 int master, int extra, 284 struct snd_emu10k1_voice *evoice, 285 unsigned int start_addr, 286 unsigned int end_addr, 287 struct snd_emu10k1_pcm_mixer *mix) 288 { 289 struct snd_pcm_substream *substream = evoice->epcm->substream; 290 struct snd_pcm_runtime *runtime = substream->runtime; 291 unsigned int silent_page, tmp; 292 int voice, stereo, w_16; 293 unsigned char attn, send_amount[8]; 294 unsigned char send_routing[8]; 295 unsigned long flags; 296 unsigned int pitch_target; 297 unsigned int ccis; 298 299 voice = evoice->number; 300 stereo = runtime->channels == 2; 301 w_16 = snd_pcm_format_width(runtime->format) == 16; 302 303 if (!extra && stereo) { 304 start_addr >>= 1; 305 end_addr >>= 1; 306 } 307 if (w_16) { 308 start_addr >>= 1; 309 end_addr >>= 1; 310 } 311 312 spin_lock_irqsave(&emu->reg_lock, flags); 313 314 /* volume parameters */ 315 if (extra) { 316 attn = 0; 317 memset(send_routing, 0, sizeof(send_routing)); 318 send_routing[0] = 0; 319 send_routing[1] = 1; 320 send_routing[2] = 2; 321 send_routing[3] = 3; 322 memset(send_amount, 0, sizeof(send_amount)); 323 } else { 324 /* mono, left, right (master voice = left) */ 325 tmp = stereo ? (master ? 1 : 2) : 0; 326 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 327 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 328 } 329 330 ccis = emu10k1_ccis(stereo, w_16); 331 332 if (master) { 333 evoice->epcm->ccca_start_addr = start_addr + ccis; 334 if (extra) { 335 start_addr += ccis; 336 end_addr += ccis + emu->delay_pcm_irq; 337 } 338 if (stereo && !extra) { 339 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 340 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 341 } else { 342 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 343 } 344 } 345 346 /* setup routing */ 347 if (emu->audigy) { 348 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 349 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 350 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 351 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 352 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 353 ((unsigned int)send_amount[4] << 24) | 354 ((unsigned int)send_amount[5] << 16) | 355 ((unsigned int)send_amount[6] << 8) | 356 (unsigned int)send_amount[7]); 357 } else 358 snd_emu10k1_ptr_write(emu, FXRT, voice, 359 snd_emu10k1_compose_send_routing(send_routing)); 360 /* Stop CA */ 361 /* Assumption that PT is already 0 so no harm overwriting */ 362 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 363 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 364 snd_emu10k1_ptr_write(emu, PSST, voice, 365 (start_addr + (extra ? emu->delay_pcm_irq : 0)) | 366 (send_amount[2] << 24)); 367 if (emu->card_capabilities->emu_model) 368 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 369 else 370 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 371 if (extra) 372 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 373 emu10k1_select_interprom(pitch_target) | 374 (w_16 ? 0 : CCCA_8BITSELECT)); 375 else 376 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 377 emu10k1_select_interprom(pitch_target) | 378 (w_16 ? 0 : CCCA_8BITSELECT)); 379 /* Clear filter delay memory */ 380 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 381 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 382 /* invalidate maps */ 383 silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); 384 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 385 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 386 /* modulation envelope */ 387 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 388 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 389 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 390 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 391 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 392 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 393 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 394 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 395 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 396 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 397 /* volume envelope */ 398 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 399 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 400 /* filter envelope */ 401 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 402 /* pitch envelope */ 403 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 404 405 spin_unlock_irqrestore(&emu->reg_lock, flags); 406 } 407 408 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 409 struct snd_pcm_hw_params *hw_params) 410 { 411 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 412 struct snd_pcm_runtime *runtime = substream->runtime; 413 struct snd_emu10k1_pcm *epcm = runtime->private_data; 414 size_t alloc_size; 415 int err; 416 417 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 418 return err; 419 420 alloc_size = params_buffer_bytes(hw_params); 421 if (emu->iommu_workaround) 422 alloc_size += EMUPAGESIZE; 423 err = snd_pcm_lib_malloc_pages(substream, alloc_size); 424 if (err < 0) 425 return err; 426 if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE) 427 runtime->dma_bytes -= EMUPAGESIZE; 428 if (err > 0) { /* change */ 429 int mapped; 430 if (epcm->memblk != NULL) 431 snd_emu10k1_free_pages(emu, epcm->memblk); 432 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 433 epcm->start_addr = 0; 434 if (! epcm->memblk) 435 return -ENOMEM; 436 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 437 if (mapped < 0) 438 return -ENOMEM; 439 epcm->start_addr = mapped << PAGE_SHIFT; 440 } 441 return 0; 442 } 443 444 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 445 { 446 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 447 struct snd_pcm_runtime *runtime = substream->runtime; 448 struct snd_emu10k1_pcm *epcm; 449 450 if (runtime->private_data == NULL) 451 return 0; 452 epcm = runtime->private_data; 453 if (epcm->extra) { 454 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 455 epcm->extra = NULL; 456 } 457 if (epcm->voices[1]) { 458 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 459 epcm->voices[1] = NULL; 460 } 461 if (epcm->voices[0]) { 462 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 463 epcm->voices[0] = NULL; 464 } 465 if (epcm->memblk) { 466 snd_emu10k1_free_pages(emu, epcm->memblk); 467 epcm->memblk = NULL; 468 epcm->start_addr = 0; 469 } 470 snd_pcm_lib_free_pages(substream); 471 return 0; 472 } 473 474 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 475 { 476 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 477 struct snd_pcm_runtime *runtime = substream->runtime; 478 struct snd_emu10k1_pcm *epcm; 479 int i; 480 481 if (runtime->private_data == NULL) 482 return 0; 483 epcm = runtime->private_data; 484 if (epcm->extra) { 485 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 486 epcm->extra = NULL; 487 } 488 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 489 if (epcm->voices[i]) { 490 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 491 epcm->voices[i] = NULL; 492 } 493 } 494 if (epcm->memblk) { 495 snd_emu10k1_free_pages(emu, epcm->memblk); 496 epcm->memblk = NULL; 497 epcm->start_addr = 0; 498 } 499 snd_pcm_lib_free_pages(substream); 500 return 0; 501 } 502 503 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 504 { 505 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 506 struct snd_pcm_runtime *runtime = substream->runtime; 507 struct snd_emu10k1_pcm *epcm = runtime->private_data; 508 unsigned int start_addr, end_addr; 509 510 start_addr = epcm->start_addr; 511 end_addr = snd_pcm_lib_period_bytes(substream); 512 if (runtime->channels == 2) { 513 start_addr >>= 1; 514 end_addr >>= 1; 515 } 516 end_addr += start_addr; 517 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 518 start_addr, end_addr, NULL); 519 start_addr = epcm->start_addr; 520 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 521 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 522 start_addr, end_addr, 523 &emu->pcm_mixer[substream->number]); 524 if (epcm->voices[1]) 525 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 526 start_addr, end_addr, 527 &emu->pcm_mixer[substream->number]); 528 return 0; 529 } 530 531 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 532 { 533 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 534 struct snd_pcm_runtime *runtime = substream->runtime; 535 struct snd_emu10k1_pcm *epcm = runtime->private_data; 536 unsigned int start_addr, end_addr; 537 unsigned int channel_size; 538 int i; 539 540 start_addr = epcm->start_addr; 541 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 542 543 /* 544 * the kX driver leaves some space between voices 545 */ 546 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 547 548 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 549 start_addr, start_addr + (channel_size / 2), NULL); 550 551 /* only difference with the master voice is we use it for the pointer */ 552 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 553 start_addr, start_addr + channel_size, 554 &emu->efx_pcm_mixer[0]); 555 556 start_addr += channel_size; 557 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 558 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 559 start_addr, start_addr + channel_size, 560 &emu->efx_pcm_mixer[i]); 561 start_addr += channel_size; 562 } 563 564 return 0; 565 } 566 567 static const struct snd_pcm_hardware snd_emu10k1_efx_playback = 568 { 569 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 570 SNDRV_PCM_INFO_BLOCK_TRANSFER | 571 SNDRV_PCM_INFO_RESUME | 572 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 573 .formats = SNDRV_PCM_FMTBIT_S16_LE, 574 .rates = SNDRV_PCM_RATE_48000, 575 .rate_min = 48000, 576 .rate_max = 48000, 577 .channels_min = NUM_EFX_PLAYBACK, 578 .channels_max = NUM_EFX_PLAYBACK, 579 .buffer_bytes_max = (64*1024), 580 .period_bytes_min = 64, 581 .period_bytes_max = (64*1024), 582 .periods_min = 2, 583 .periods_max = 2, 584 .fifo_size = 0, 585 }; 586 587 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 588 struct snd_pcm_hw_params *hw_params) 589 { 590 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 591 } 592 593 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 594 { 595 return snd_pcm_lib_free_pages(substream); 596 } 597 598 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 599 { 600 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 601 struct snd_pcm_runtime *runtime = substream->runtime; 602 struct snd_emu10k1_pcm *epcm = runtime->private_data; 603 int idx; 604 605 /* zeroing the buffer size will stop capture */ 606 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 607 switch (epcm->type) { 608 case CAPTURE_AC97ADC: 609 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 610 break; 611 case CAPTURE_EFX: 612 if (emu->audigy) { 613 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 614 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 615 } else 616 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 617 break; 618 default: 619 break; 620 } 621 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 622 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 623 epcm->capture_bs_val = 0; 624 for (idx = 0; idx < 31; idx++) { 625 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 626 epcm->capture_bs_val = idx + 1; 627 break; 628 } 629 } 630 if (epcm->capture_bs_val == 0) { 631 snd_BUG(); 632 epcm->capture_bs_val++; 633 } 634 if (epcm->type == CAPTURE_AC97ADC) { 635 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 636 if (runtime->channels > 1) 637 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 638 epcm->capture_cr_val |= emu->audigy ? 639 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 640 snd_emu10k1_capture_rate_reg(runtime->rate); 641 } 642 return 0; 643 } 644 645 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 646 { 647 struct snd_pcm_runtime *runtime; 648 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 649 650 if (evoice == NULL) 651 return; 652 runtime = evoice->epcm->substream->runtime; 653 voice = evoice->number; 654 stereo = (!extra && runtime->channels == 2); 655 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 656 ccis = emu10k1_ccis(stereo, sample == 0); 657 /* set cs to 2 * number of cache registers beside the invalidated */ 658 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 659 if (cs > 16) cs = 16; 660 for (i = 0; i < cs; i++) { 661 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 662 if (stereo) { 663 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 664 } 665 } 666 /* reset cache */ 667 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 668 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 669 if (stereo) { 670 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 671 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 672 } 673 /* fill cache */ 674 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 675 if (stereo) { 676 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 677 } 678 } 679 680 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 681 int master, int extra, 682 struct snd_emu10k1_pcm_mixer *mix) 683 { 684 struct snd_pcm_substream *substream; 685 struct snd_pcm_runtime *runtime; 686 unsigned int attn, vattn; 687 unsigned int voice, tmp; 688 689 if (evoice == NULL) /* skip second voice for mono */ 690 return; 691 substream = evoice->epcm->substream; 692 runtime = substream->runtime; 693 voice = evoice->number; 694 695 attn = extra ? 0 : 0x00ff; 696 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 697 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 698 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 699 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 700 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 701 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 702 snd_emu10k1_voice_clear_loop_stop(emu, voice); 703 } 704 705 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 706 { 707 struct snd_pcm_substream *substream; 708 struct snd_pcm_runtime *runtime; 709 unsigned int voice, pitch, pitch_target; 710 711 if (evoice == NULL) /* skip second voice for mono */ 712 return; 713 substream = evoice->epcm->substream; 714 runtime = substream->runtime; 715 voice = evoice->number; 716 717 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 718 if (emu->card_capabilities->emu_model) 719 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 720 else 721 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 722 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 723 if (master || evoice->epcm->type == PLAYBACK_EFX) 724 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 725 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 726 if (extra) 727 snd_emu10k1_voice_intr_enable(emu, voice); 728 } 729 730 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 731 { 732 unsigned int voice; 733 734 if (evoice == NULL) 735 return; 736 voice = evoice->number; 737 snd_emu10k1_voice_intr_disable(emu, voice); 738 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 739 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 740 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 741 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 742 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 743 snd_emu10k1_ptr_write(emu, IP, voice, 0); 744 } 745 746 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 747 struct snd_emu10k1_pcm *epcm, 748 struct snd_pcm_substream *substream, 749 struct snd_pcm_runtime *runtime) 750 { 751 unsigned int ptr, period_pos; 752 753 /* try to sychronize the current position for the interrupt 754 source voice */ 755 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 756 period_pos %= runtime->period_size; 757 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 758 ptr &= ~0x00ffffff; 759 ptr |= epcm->ccca_start_addr + period_pos; 760 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 761 } 762 763 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 764 int cmd) 765 { 766 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 767 struct snd_pcm_runtime *runtime = substream->runtime; 768 struct snd_emu10k1_pcm *epcm = runtime->private_data; 769 struct snd_emu10k1_pcm_mixer *mix; 770 int result = 0; 771 772 /* 773 dev_dbg(emu->card->dev, 774 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 775 (int)emu, cmd, substream->ops->pointer(substream)) 776 */ 777 spin_lock(&emu->reg_lock); 778 switch (cmd) { 779 case SNDRV_PCM_TRIGGER_START: 780 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 781 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 782 /* follow thru */ 783 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 784 case SNDRV_PCM_TRIGGER_RESUME: 785 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 786 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 787 mix = &emu->pcm_mixer[substream->number]; 788 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 789 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 790 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 791 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 792 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 793 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 794 epcm->running = 1; 795 break; 796 case SNDRV_PCM_TRIGGER_STOP: 797 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 798 case SNDRV_PCM_TRIGGER_SUSPEND: 799 epcm->running = 0; 800 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 801 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 802 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 803 break; 804 default: 805 result = -EINVAL; 806 break; 807 } 808 spin_unlock(&emu->reg_lock); 809 return result; 810 } 811 812 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 813 int cmd) 814 { 815 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 816 struct snd_pcm_runtime *runtime = substream->runtime; 817 struct snd_emu10k1_pcm *epcm = runtime->private_data; 818 int result = 0; 819 820 spin_lock(&emu->reg_lock); 821 switch (cmd) { 822 case SNDRV_PCM_TRIGGER_START: 823 case SNDRV_PCM_TRIGGER_RESUME: 824 /* hmm this should cause full and half full interrupt to be raised? */ 825 outl(epcm->capture_ipr, emu->port + IPR); 826 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 827 /* 828 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", 829 epcm->adccr, epcm->adcbs); 830 */ 831 switch (epcm->type) { 832 case CAPTURE_AC97ADC: 833 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 834 break; 835 case CAPTURE_EFX: 836 if (emu->audigy) { 837 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 838 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 839 dev_dbg(emu->card->dev, 840 "cr_val=0x%x, cr_val2=0x%x\n", 841 epcm->capture_cr_val, 842 epcm->capture_cr_val2); 843 } else 844 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 845 break; 846 default: 847 break; 848 } 849 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 850 epcm->running = 1; 851 epcm->first_ptr = 1; 852 break; 853 case SNDRV_PCM_TRIGGER_STOP: 854 case SNDRV_PCM_TRIGGER_SUSPEND: 855 epcm->running = 0; 856 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 857 outl(epcm->capture_ipr, emu->port + IPR); 858 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 859 switch (epcm->type) { 860 case CAPTURE_AC97ADC: 861 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 862 break; 863 case CAPTURE_EFX: 864 if (emu->audigy) { 865 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 866 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 867 } else 868 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 869 break; 870 default: 871 break; 872 } 873 break; 874 default: 875 result = -EINVAL; 876 } 877 spin_unlock(&emu->reg_lock); 878 return result; 879 } 880 881 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 882 { 883 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 884 struct snd_pcm_runtime *runtime = substream->runtime; 885 struct snd_emu10k1_pcm *epcm = runtime->private_data; 886 unsigned int ptr; 887 888 if (!epcm->running) 889 return 0; 890 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 891 #if 0 /* Perex's code */ 892 ptr += runtime->buffer_size; 893 ptr -= epcm->ccca_start_addr; 894 ptr %= runtime->buffer_size; 895 #else /* EMU10K1 Open Source code from Creative */ 896 if (ptr < epcm->ccca_start_addr) 897 ptr += runtime->buffer_size - epcm->ccca_start_addr; 898 else { 899 ptr -= epcm->ccca_start_addr; 900 if (ptr >= runtime->buffer_size) 901 ptr -= runtime->buffer_size; 902 } 903 #endif 904 /* 905 dev_dbg(emu->card->dev, 906 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 907 (long)ptr, (long)runtime->buffer_size, 908 (long)runtime->period_size); 909 */ 910 return ptr; 911 } 912 913 914 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 915 int cmd) 916 { 917 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 918 struct snd_pcm_runtime *runtime = substream->runtime; 919 struct snd_emu10k1_pcm *epcm = runtime->private_data; 920 int i; 921 int result = 0; 922 923 spin_lock(&emu->reg_lock); 924 switch (cmd) { 925 case SNDRV_PCM_TRIGGER_START: 926 /* prepare voices */ 927 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 928 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 929 } 930 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 931 932 /* follow thru */ 933 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 934 case SNDRV_PCM_TRIGGER_RESUME: 935 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 936 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 937 &emu->efx_pcm_mixer[0]); 938 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 939 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 940 &emu->efx_pcm_mixer[i]); 941 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 942 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 943 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 944 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 945 epcm->running = 1; 946 break; 947 case SNDRV_PCM_TRIGGER_SUSPEND: 948 case SNDRV_PCM_TRIGGER_STOP: 949 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 950 epcm->running = 0; 951 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 952 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 953 } 954 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 955 break; 956 default: 957 result = -EINVAL; 958 break; 959 } 960 spin_unlock(&emu->reg_lock); 961 return result; 962 } 963 964 965 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 966 { 967 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 968 struct snd_pcm_runtime *runtime = substream->runtime; 969 struct snd_emu10k1_pcm *epcm = runtime->private_data; 970 unsigned int ptr; 971 972 if (!epcm->running) 973 return 0; 974 if (epcm->first_ptr) { 975 udelay(50); /* hack, it takes awhile until capture is started */ 976 epcm->first_ptr = 0; 977 } 978 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 979 return bytes_to_frames(runtime, ptr); 980 } 981 982 /* 983 * Playback support device description 984 */ 985 986 static const struct snd_pcm_hardware snd_emu10k1_playback = 987 { 988 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 989 SNDRV_PCM_INFO_BLOCK_TRANSFER | 990 SNDRV_PCM_INFO_RESUME | 991 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 992 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 993 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 994 .rate_min = 4000, 995 .rate_max = 96000, 996 .channels_min = 1, 997 .channels_max = 2, 998 .buffer_bytes_max = (128*1024), 999 .period_bytes_min = 64, 1000 .period_bytes_max = (128*1024), 1001 .periods_min = 1, 1002 .periods_max = 1024, 1003 .fifo_size = 0, 1004 }; 1005 1006 /* 1007 * Capture support device description 1008 */ 1009 1010 static const struct snd_pcm_hardware snd_emu10k1_capture = 1011 { 1012 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1013 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1014 SNDRV_PCM_INFO_RESUME | 1015 SNDRV_PCM_INFO_MMAP_VALID), 1016 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1017 .rates = SNDRV_PCM_RATE_8000_48000, 1018 .rate_min = 8000, 1019 .rate_max = 48000, 1020 .channels_min = 1, 1021 .channels_max = 2, 1022 .buffer_bytes_max = (64*1024), 1023 .period_bytes_min = 384, 1024 .period_bytes_max = (64*1024), 1025 .periods_min = 2, 1026 .periods_max = 2, 1027 .fifo_size = 0, 1028 }; 1029 1030 static const struct snd_pcm_hardware snd_emu10k1_capture_efx = 1031 { 1032 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1033 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1034 SNDRV_PCM_INFO_RESUME | 1035 SNDRV_PCM_INFO_MMAP_VALID), 1036 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1037 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1038 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1039 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1040 .rate_min = 44100, 1041 .rate_max = 192000, 1042 .channels_min = 8, 1043 .channels_max = 8, 1044 .buffer_bytes_max = (64*1024), 1045 .period_bytes_min = 384, 1046 .period_bytes_max = (64*1024), 1047 .periods_min = 2, 1048 .periods_max = 2, 1049 .fifo_size = 0, 1050 }; 1051 1052 /* 1053 * 1054 */ 1055 1056 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1057 { 1058 struct snd_ctl_elem_id id; 1059 1060 if (! kctl) 1061 return; 1062 if (activate) 1063 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1064 else 1065 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1066 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1067 SNDRV_CTL_EVENT_MASK_INFO, 1068 snd_ctl_build_ioff(&id, kctl, idx)); 1069 } 1070 1071 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1072 { 1073 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1074 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1075 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1076 } 1077 1078 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1079 { 1080 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1081 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1082 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1083 } 1084 1085 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1086 { 1087 kfree(runtime->private_data); 1088 } 1089 1090 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1091 { 1092 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1093 struct snd_emu10k1_pcm_mixer *mix; 1094 int i; 1095 1096 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1097 mix = &emu->efx_pcm_mixer[i]; 1098 mix->epcm = NULL; 1099 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1100 } 1101 return 0; 1102 } 1103 1104 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1105 { 1106 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1107 struct snd_emu10k1_pcm *epcm; 1108 struct snd_emu10k1_pcm_mixer *mix; 1109 struct snd_pcm_runtime *runtime = substream->runtime; 1110 int i; 1111 1112 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1113 if (epcm == NULL) 1114 return -ENOMEM; 1115 epcm->emu = emu; 1116 epcm->type = PLAYBACK_EFX; 1117 epcm->substream = substream; 1118 1119 emu->pcm_playback_efx_substream = substream; 1120 1121 runtime->private_data = epcm; 1122 runtime->private_free = snd_emu10k1_pcm_free_substream; 1123 runtime->hw = snd_emu10k1_efx_playback; 1124 1125 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1126 mix = &emu->efx_pcm_mixer[i]; 1127 mix->send_routing[0][0] = i; 1128 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1129 mix->send_volume[0][0] = 255; 1130 mix->attn[0] = 0xffff; 1131 mix->epcm = epcm; 1132 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1133 } 1134 return 0; 1135 } 1136 1137 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1138 { 1139 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1140 struct snd_emu10k1_pcm *epcm; 1141 struct snd_emu10k1_pcm_mixer *mix; 1142 struct snd_pcm_runtime *runtime = substream->runtime; 1143 int i, err, sample_rate; 1144 1145 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1146 if (epcm == NULL) 1147 return -ENOMEM; 1148 epcm->emu = emu; 1149 epcm->type = PLAYBACK_EMUVOICE; 1150 epcm->substream = substream; 1151 runtime->private_data = epcm; 1152 runtime->private_free = snd_emu10k1_pcm_free_substream; 1153 runtime->hw = snd_emu10k1_playback; 1154 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1155 kfree(epcm); 1156 return err; 1157 } 1158 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1159 kfree(epcm); 1160 return err; 1161 } 1162 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1163 sample_rate = 44100; 1164 else 1165 sample_rate = 48000; 1166 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1167 if (err < 0) { 1168 kfree(epcm); 1169 return err; 1170 } 1171 mix = &emu->pcm_mixer[substream->number]; 1172 for (i = 0; i < 4; i++) 1173 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1174 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1175 mix->send_volume[0][0] = mix->send_volume[0][1] = 1176 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1177 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1178 mix->epcm = epcm; 1179 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1180 return 0; 1181 } 1182 1183 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1184 { 1185 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1186 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1187 1188 mix->epcm = NULL; 1189 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1190 return 0; 1191 } 1192 1193 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1194 { 1195 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1196 struct snd_pcm_runtime *runtime = substream->runtime; 1197 struct snd_emu10k1_pcm *epcm; 1198 1199 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1200 if (epcm == NULL) 1201 return -ENOMEM; 1202 epcm->emu = emu; 1203 epcm->type = CAPTURE_AC97ADC; 1204 epcm->substream = substream; 1205 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1206 epcm->capture_inte = INTE_ADCBUFENABLE; 1207 epcm->capture_ba_reg = ADCBA; 1208 epcm->capture_bs_reg = ADCBS; 1209 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1210 runtime->private_data = epcm; 1211 runtime->private_free = snd_emu10k1_pcm_free_substream; 1212 runtime->hw = snd_emu10k1_capture; 1213 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1214 emu->pcm_capture_substream = substream; 1215 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1216 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1217 return 0; 1218 } 1219 1220 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1221 { 1222 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1223 1224 emu->capture_interrupt = NULL; 1225 emu->pcm_capture_substream = NULL; 1226 return 0; 1227 } 1228 1229 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1230 { 1231 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1232 struct snd_emu10k1_pcm *epcm; 1233 struct snd_pcm_runtime *runtime = substream->runtime; 1234 1235 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1236 if (epcm == NULL) 1237 return -ENOMEM; 1238 epcm->emu = emu; 1239 epcm->type = CAPTURE_AC97MIC; 1240 epcm->substream = substream; 1241 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1242 epcm->capture_inte = INTE_MICBUFENABLE; 1243 epcm->capture_ba_reg = MICBA; 1244 epcm->capture_bs_reg = MICBS; 1245 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1246 substream->runtime->private_data = epcm; 1247 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1248 runtime->hw = snd_emu10k1_capture; 1249 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1250 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1251 runtime->hw.channels_min = 1; 1252 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1253 emu->pcm_capture_mic_substream = substream; 1254 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1255 return 0; 1256 } 1257 1258 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1259 { 1260 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1261 1262 emu->capture_interrupt = NULL; 1263 emu->pcm_capture_mic_substream = NULL; 1264 return 0; 1265 } 1266 1267 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1268 { 1269 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1270 struct snd_emu10k1_pcm *epcm; 1271 struct snd_pcm_runtime *runtime = substream->runtime; 1272 int nefx = emu->audigy ? 64 : 32; 1273 int idx; 1274 1275 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1276 if (epcm == NULL) 1277 return -ENOMEM; 1278 epcm->emu = emu; 1279 epcm->type = CAPTURE_EFX; 1280 epcm->substream = substream; 1281 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1282 epcm->capture_inte = INTE_EFXBUFENABLE; 1283 epcm->capture_ba_reg = FXBA; 1284 epcm->capture_bs_reg = FXBS; 1285 epcm->capture_idx_reg = FXIDX; 1286 substream->runtime->private_data = epcm; 1287 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1288 runtime->hw = snd_emu10k1_capture_efx; 1289 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1290 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1291 spin_lock_irq(&emu->reg_lock); 1292 if (emu->card_capabilities->emu_model) { 1293 /* Nb. of channels has been increased to 16 */ 1294 /* TODO 1295 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1296 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1297 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1298 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1299 * rate_min = 44100, 1300 * rate_max = 192000, 1301 * channels_min = 16, 1302 * channels_max = 16, 1303 * Need to add mixer control to fix sample rate 1304 * 1305 * There are 32 mono channels of 16bits each. 1306 * 24bit Audio uses 2x channels over 16bit 1307 * 96kHz uses 2x channels over 48kHz 1308 * 192kHz uses 4x channels over 48kHz 1309 * So, for 48kHz 24bit, one has 16 channels 1310 * for 96kHz 24bit, one has 8 channels 1311 * for 192kHz 24bit, one has 4 channels 1312 * 1313 */ 1314 #if 1 1315 switch (emu->emu1010.internal_clock) { 1316 case 0: 1317 /* For 44.1kHz */ 1318 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1319 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1320 runtime->hw.channels_min = 1321 runtime->hw.channels_max = 16; 1322 break; 1323 case 1: 1324 /* For 48kHz */ 1325 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1326 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1327 runtime->hw.channels_min = 1328 runtime->hw.channels_max = 16; 1329 break; 1330 } 1331 #endif 1332 #if 0 1333 /* For 96kHz */ 1334 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1335 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1336 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1337 #endif 1338 #if 0 1339 /* For 192kHz */ 1340 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1341 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1342 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1343 #endif 1344 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1345 /* efx_voices_mask[0] is expected to be zero 1346 * efx_voices_mask[1] is expected to have 32bits set 1347 */ 1348 } else { 1349 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1350 for (idx = 0; idx < nefx; idx++) { 1351 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1352 runtime->hw.channels_min++; 1353 runtime->hw.channels_max++; 1354 } 1355 } 1356 } 1357 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1358 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1359 spin_unlock_irq(&emu->reg_lock); 1360 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1361 emu->pcm_capture_efx_substream = substream; 1362 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1363 return 0; 1364 } 1365 1366 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1367 { 1368 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1369 1370 emu->capture_interrupt = NULL; 1371 emu->pcm_capture_efx_substream = NULL; 1372 return 0; 1373 } 1374 1375 static const struct snd_pcm_ops snd_emu10k1_playback_ops = { 1376 .open = snd_emu10k1_playback_open, 1377 .close = snd_emu10k1_playback_close, 1378 .ioctl = snd_pcm_lib_ioctl, 1379 .hw_params = snd_emu10k1_playback_hw_params, 1380 .hw_free = snd_emu10k1_playback_hw_free, 1381 .prepare = snd_emu10k1_playback_prepare, 1382 .trigger = snd_emu10k1_playback_trigger, 1383 .pointer = snd_emu10k1_playback_pointer, 1384 .page = snd_pcm_sgbuf_ops_page, 1385 }; 1386 1387 static const struct snd_pcm_ops snd_emu10k1_capture_ops = { 1388 .open = snd_emu10k1_capture_open, 1389 .close = snd_emu10k1_capture_close, 1390 .ioctl = snd_pcm_lib_ioctl, 1391 .hw_params = snd_emu10k1_capture_hw_params, 1392 .hw_free = snd_emu10k1_capture_hw_free, 1393 .prepare = snd_emu10k1_capture_prepare, 1394 .trigger = snd_emu10k1_capture_trigger, 1395 .pointer = snd_emu10k1_capture_pointer, 1396 }; 1397 1398 /* EFX playback */ 1399 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1400 .open = snd_emu10k1_efx_playback_open, 1401 .close = snd_emu10k1_efx_playback_close, 1402 .ioctl = snd_pcm_lib_ioctl, 1403 .hw_params = snd_emu10k1_playback_hw_params, 1404 .hw_free = snd_emu10k1_efx_playback_hw_free, 1405 .prepare = snd_emu10k1_efx_playback_prepare, 1406 .trigger = snd_emu10k1_efx_playback_trigger, 1407 .pointer = snd_emu10k1_efx_playback_pointer, 1408 .page = snd_pcm_sgbuf_ops_page, 1409 }; 1410 1411 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) 1412 { 1413 struct snd_pcm *pcm; 1414 struct snd_pcm_substream *substream; 1415 int err; 1416 1417 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1418 return err; 1419 1420 pcm->private_data = emu; 1421 1422 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1423 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1424 1425 pcm->info_flags = 0; 1426 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1427 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1428 emu->pcm = pcm; 1429 1430 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1431 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1432 return err; 1433 1434 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1435 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1436 1437 return 0; 1438 } 1439 1440 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) 1441 { 1442 struct snd_pcm *pcm; 1443 struct snd_pcm_substream *substream; 1444 int err; 1445 1446 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1447 return err; 1448 1449 pcm->private_data = emu; 1450 1451 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1452 1453 pcm->info_flags = 0; 1454 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1455 strcpy(pcm->name, "Multichannel Playback"); 1456 emu->pcm_multi = pcm; 1457 1458 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1459 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1460 return err; 1461 1462 return 0; 1463 } 1464 1465 1466 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1467 .open = snd_emu10k1_capture_mic_open, 1468 .close = snd_emu10k1_capture_mic_close, 1469 .ioctl = snd_pcm_lib_ioctl, 1470 .hw_params = snd_emu10k1_capture_hw_params, 1471 .hw_free = snd_emu10k1_capture_hw_free, 1472 .prepare = snd_emu10k1_capture_prepare, 1473 .trigger = snd_emu10k1_capture_trigger, 1474 .pointer = snd_emu10k1_capture_pointer, 1475 }; 1476 1477 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) 1478 { 1479 struct snd_pcm *pcm; 1480 int err; 1481 1482 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1483 return err; 1484 1485 pcm->private_data = emu; 1486 1487 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1488 1489 pcm->info_flags = 0; 1490 strcpy(pcm->name, "Mic Capture"); 1491 emu->pcm_mic = pcm; 1492 1493 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1494 1495 return 0; 1496 } 1497 1498 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1499 { 1500 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1501 int nefx = emu->audigy ? 64 : 32; 1502 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1503 uinfo->count = nefx; 1504 uinfo->value.integer.min = 0; 1505 uinfo->value.integer.max = 1; 1506 return 0; 1507 } 1508 1509 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1510 { 1511 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1512 int nefx = emu->audigy ? 64 : 32; 1513 int idx; 1514 1515 spin_lock_irq(&emu->reg_lock); 1516 for (idx = 0; idx < nefx; idx++) 1517 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1518 spin_unlock_irq(&emu->reg_lock); 1519 return 0; 1520 } 1521 1522 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1523 { 1524 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1525 unsigned int nval[2], bits; 1526 int nefx = emu->audigy ? 64 : 32; 1527 int nefxb = emu->audigy ? 7 : 6; 1528 int change, idx; 1529 1530 nval[0] = nval[1] = 0; 1531 for (idx = 0, bits = 0; idx < nefx; idx++) 1532 if (ucontrol->value.integer.value[idx]) { 1533 nval[idx / 32] |= 1 << (idx % 32); 1534 bits++; 1535 } 1536 1537 for (idx = 0; idx < nefxb; idx++) 1538 if (1 << idx == bits) 1539 break; 1540 1541 if (idx >= nefxb) 1542 return -EINVAL; 1543 1544 spin_lock_irq(&emu->reg_lock); 1545 change = (nval[0] != emu->efx_voices_mask[0]) || 1546 (nval[1] != emu->efx_voices_mask[1]); 1547 emu->efx_voices_mask[0] = nval[0]; 1548 emu->efx_voices_mask[1] = nval[1]; 1549 spin_unlock_irq(&emu->reg_lock); 1550 return change; 1551 } 1552 1553 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1554 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1555 .name = "Captured FX8010 Outputs", 1556 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1557 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1558 .put = snd_emu10k1_pcm_efx_voices_mask_put 1559 }; 1560 1561 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1562 .open = snd_emu10k1_capture_efx_open, 1563 .close = snd_emu10k1_capture_efx_close, 1564 .ioctl = snd_pcm_lib_ioctl, 1565 .hw_params = snd_emu10k1_capture_hw_params, 1566 .hw_free = snd_emu10k1_capture_hw_free, 1567 .prepare = snd_emu10k1_capture_prepare, 1568 .trigger = snd_emu10k1_capture_trigger, 1569 .pointer = snd_emu10k1_capture_pointer, 1570 }; 1571 1572 1573 /* EFX playback */ 1574 1575 #define INITIAL_TRAM_SHIFT 14 1576 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1577 1578 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1579 { 1580 struct snd_pcm_substream *substream = private_data; 1581 snd_pcm_period_elapsed(substream); 1582 } 1583 1584 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1585 unsigned short *dst_right, 1586 unsigned short *src, 1587 unsigned int count, 1588 unsigned int tram_shift) 1589 { 1590 /* 1591 dev_dbg(emu->card->dev, 1592 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1593 "src = 0x%p, count = 0x%x\n", 1594 dst_left, dst_right, src, count); 1595 */ 1596 if ((tram_shift & 1) == 0) { 1597 while (count--) { 1598 *dst_left-- = *src++; 1599 *dst_right-- = *src++; 1600 } 1601 } else { 1602 while (count--) { 1603 *dst_right-- = *src++; 1604 *dst_left-- = *src++; 1605 } 1606 } 1607 } 1608 1609 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1610 struct snd_pcm_indirect *rec, size_t bytes) 1611 { 1612 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1613 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1614 unsigned int tram_size = pcm->buffer_size; 1615 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1616 unsigned int frames = bytes >> 2, count; 1617 unsigned int tram_pos = pcm->tram_pos; 1618 unsigned int tram_shift = pcm->tram_shift; 1619 1620 while (frames > tram_pos) { 1621 count = tram_pos + 1; 1622 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1623 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1624 src, count, tram_shift); 1625 src += count * 2; 1626 frames -= count; 1627 tram_pos = (tram_size / 2) - 1; 1628 tram_shift++; 1629 } 1630 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1631 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1632 src, frames, tram_shift); 1633 tram_pos -= frames; 1634 pcm->tram_pos = tram_pos; 1635 pcm->tram_shift = tram_shift; 1636 } 1637 1638 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1639 { 1640 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1641 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1642 1643 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, 1644 fx8010_pb_trans_copy); 1645 } 1646 1647 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1648 struct snd_pcm_hw_params *hw_params) 1649 { 1650 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1651 } 1652 1653 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1654 { 1655 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1656 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1657 unsigned int i; 1658 1659 for (i = 0; i < pcm->channels; i++) 1660 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1661 snd_pcm_lib_free_pages(substream); 1662 return 0; 1663 } 1664 1665 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1666 { 1667 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1668 struct snd_pcm_runtime *runtime = substream->runtime; 1669 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1670 unsigned int i; 1671 1672 /* 1673 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1674 "buffer_size = 0x%x (0x%x)\n", 1675 emu->fx8010.etram_pages, runtime->dma_area, 1676 runtime->buffer_size, runtime->buffer_size << 2); 1677 */ 1678 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1679 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1680 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1681 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1682 pcm->tram_shift = 0; 1683 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1684 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1685 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1686 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1687 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1688 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1689 for (i = 0; i < pcm->channels; i++) 1690 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1691 return 0; 1692 } 1693 1694 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1695 { 1696 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1697 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1698 int result = 0; 1699 1700 spin_lock(&emu->reg_lock); 1701 switch (cmd) { 1702 case SNDRV_PCM_TRIGGER_START: 1703 /* follow thru */ 1704 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1705 case SNDRV_PCM_TRIGGER_RESUME: 1706 #ifdef EMU10K1_SET_AC3_IEC958 1707 { 1708 int i; 1709 for (i = 0; i < 3; i++) { 1710 unsigned int bits; 1711 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1712 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1713 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1714 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1715 } 1716 } 1717 #endif 1718 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1719 if (result < 0) 1720 goto __err; 1721 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1722 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1723 break; 1724 case SNDRV_PCM_TRIGGER_STOP: 1725 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1726 case SNDRV_PCM_TRIGGER_SUSPEND: 1727 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1728 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1729 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1730 pcm->tram_shift = 0; 1731 break; 1732 default: 1733 result = -EINVAL; 1734 break; 1735 } 1736 __err: 1737 spin_unlock(&emu->reg_lock); 1738 return result; 1739 } 1740 1741 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1742 { 1743 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1744 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1745 size_t ptr; /* byte pointer */ 1746 1747 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1748 return 0; 1749 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1750 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1751 } 1752 1753 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1754 { 1755 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1756 SNDRV_PCM_INFO_RESUME | 1757 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1758 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1759 .rates = SNDRV_PCM_RATE_48000, 1760 .rate_min = 48000, 1761 .rate_max = 48000, 1762 .channels_min = 1, 1763 .channels_max = 1, 1764 .buffer_bytes_max = (128*1024), 1765 .period_bytes_min = 1024, 1766 .period_bytes_max = (128*1024), 1767 .periods_min = 2, 1768 .periods_max = 1024, 1769 .fifo_size = 0, 1770 }; 1771 1772 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1773 { 1774 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1775 struct snd_pcm_runtime *runtime = substream->runtime; 1776 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1777 1778 runtime->hw = snd_emu10k1_fx8010_playback; 1779 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1780 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1781 spin_lock_irq(&emu->reg_lock); 1782 if (pcm->valid == 0) { 1783 spin_unlock_irq(&emu->reg_lock); 1784 return -ENODEV; 1785 } 1786 pcm->opened = 1; 1787 spin_unlock_irq(&emu->reg_lock); 1788 return 0; 1789 } 1790 1791 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1792 { 1793 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1794 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1795 1796 spin_lock_irq(&emu->reg_lock); 1797 pcm->opened = 0; 1798 spin_unlock_irq(&emu->reg_lock); 1799 return 0; 1800 } 1801 1802 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1803 .open = snd_emu10k1_fx8010_playback_open, 1804 .close = snd_emu10k1_fx8010_playback_close, 1805 .ioctl = snd_pcm_lib_ioctl, 1806 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1807 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1808 .prepare = snd_emu10k1_fx8010_playback_prepare, 1809 .trigger = snd_emu10k1_fx8010_playback_trigger, 1810 .pointer = snd_emu10k1_fx8010_playback_pointer, 1811 .ack = snd_emu10k1_fx8010_playback_transfer, 1812 }; 1813 1814 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) 1815 { 1816 struct snd_pcm *pcm; 1817 struct snd_kcontrol *kctl; 1818 int err; 1819 1820 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1821 return err; 1822 1823 pcm->private_data = emu; 1824 1825 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1826 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1827 1828 pcm->info_flags = 0; 1829 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1830 emu->pcm_efx = pcm; 1831 1832 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1833 * to these 1834 */ 1835 1836 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1837 if (emu->audigy) { 1838 emu->efx_voices_mask[0] = 0; 1839 if (emu->card_capabilities->emu_model) 1840 /* Pavel Hofman - 32 voices will be used for 1841 * capture (write mode) - 1842 * each bit = corresponding voice 1843 */ 1844 emu->efx_voices_mask[1] = 0xffffffff; 1845 else 1846 emu->efx_voices_mask[1] = 0xffff; 1847 } else { 1848 emu->efx_voices_mask[0] = 0xffff0000; 1849 emu->efx_voices_mask[1] = 0; 1850 } 1851 /* For emu1010, the control has to set 32 upper bits (voices) 1852 * out of the 64 bits (voices) to true for the 16-channels capture 1853 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1854 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1855 * control can override this register's value. 1856 */ 1857 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1858 if (!kctl) 1859 return -ENOMEM; 1860 kctl->id.device = device; 1861 snd_ctl_add(emu->card, kctl); 1862 1863 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1864 1865 return 0; 1866 } 1867