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 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 memset(send_routing, 0, sizeof(send_routing)); 317 send_routing[0] = 0; 318 send_routing[1] = 1; 319 send_routing[2] = 2; 320 send_routing[3] = 3; 321 memset(send_amount, 0, sizeof(send_amount)); 322 } else { 323 /* mono, left, right (master voice = left) */ 324 tmp = stereo ? (master ? 1 : 2) : 0; 325 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 326 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 327 } 328 329 ccis = emu10k1_ccis(stereo, w_16); 330 331 if (master) { 332 evoice->epcm->ccca_start_addr = start_addr + ccis; 333 if (extra) { 334 start_addr += ccis; 335 end_addr += ccis + emu->delay_pcm_irq; 336 } 337 if (stereo && !extra) { 338 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 339 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 340 } else { 341 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 342 } 343 } 344 345 /* setup routing */ 346 if (emu->audigy) { 347 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 348 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 349 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 350 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 351 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 352 ((unsigned int)send_amount[4] << 24) | 353 ((unsigned int)send_amount[5] << 16) | 354 ((unsigned int)send_amount[6] << 8) | 355 (unsigned int)send_amount[7]); 356 } else 357 snd_emu10k1_ptr_write(emu, FXRT, voice, 358 snd_emu10k1_compose_send_routing(send_routing)); 359 /* Stop CA */ 360 /* Assumption that PT is already 0 so no harm overwriting */ 361 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 362 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 363 snd_emu10k1_ptr_write(emu, PSST, voice, 364 (start_addr + (extra ? emu->delay_pcm_irq : 0)) | 365 (send_amount[2] << 24)); 366 if (emu->card_capabilities->emu_model) 367 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 368 else 369 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 370 if (extra) 371 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 372 emu10k1_select_interprom(pitch_target) | 373 (w_16 ? 0 : CCCA_8BITSELECT)); 374 else 375 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 376 emu10k1_select_interprom(pitch_target) | 377 (w_16 ? 0 : CCCA_8BITSELECT)); 378 /* Clear filter delay memory */ 379 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 380 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 381 /* invalidate maps */ 382 silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); 383 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 384 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 385 /* modulation envelope */ 386 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 387 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 388 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 389 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 390 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 391 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 392 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 393 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 394 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 395 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 396 /* volume envelope */ 397 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 398 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 399 /* filter envelope */ 400 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 401 /* pitch envelope */ 402 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 403 404 spin_unlock_irqrestore(&emu->reg_lock, flags); 405 } 406 407 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 408 struct snd_pcm_hw_params *hw_params) 409 { 410 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 411 struct snd_pcm_runtime *runtime = substream->runtime; 412 struct snd_emu10k1_pcm *epcm = runtime->private_data; 413 size_t alloc_size; 414 int err; 415 416 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 417 return err; 418 419 alloc_size = params_buffer_bytes(hw_params); 420 if (emu->iommu_workaround) 421 alloc_size += EMUPAGESIZE; 422 err = snd_pcm_lib_malloc_pages(substream, alloc_size); 423 if (err < 0) 424 return err; 425 if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE) 426 runtime->dma_bytes -= EMUPAGESIZE; 427 if (err > 0) { /* change */ 428 int mapped; 429 if (epcm->memblk != NULL) 430 snd_emu10k1_free_pages(emu, epcm->memblk); 431 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 432 epcm->start_addr = 0; 433 if (! epcm->memblk) 434 return -ENOMEM; 435 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 436 if (mapped < 0) 437 return -ENOMEM; 438 epcm->start_addr = mapped << PAGE_SHIFT; 439 } 440 return 0; 441 } 442 443 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 444 { 445 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 446 struct snd_pcm_runtime *runtime = substream->runtime; 447 struct snd_emu10k1_pcm *epcm; 448 449 if (runtime->private_data == NULL) 450 return 0; 451 epcm = runtime->private_data; 452 if (epcm->extra) { 453 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 454 epcm->extra = NULL; 455 } 456 if (epcm->voices[1]) { 457 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 458 epcm->voices[1] = NULL; 459 } 460 if (epcm->voices[0]) { 461 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 462 epcm->voices[0] = NULL; 463 } 464 if (epcm->memblk) { 465 snd_emu10k1_free_pages(emu, epcm->memblk); 466 epcm->memblk = NULL; 467 epcm->start_addr = 0; 468 } 469 snd_pcm_lib_free_pages(substream); 470 return 0; 471 } 472 473 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 474 { 475 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 476 struct snd_pcm_runtime *runtime = substream->runtime; 477 struct snd_emu10k1_pcm *epcm; 478 int i; 479 480 if (runtime->private_data == NULL) 481 return 0; 482 epcm = runtime->private_data; 483 if (epcm->extra) { 484 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 485 epcm->extra = NULL; 486 } 487 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 488 if (epcm->voices[i]) { 489 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 490 epcm->voices[i] = NULL; 491 } 492 } 493 if (epcm->memblk) { 494 snd_emu10k1_free_pages(emu, epcm->memblk); 495 epcm->memblk = NULL; 496 epcm->start_addr = 0; 497 } 498 snd_pcm_lib_free_pages(substream); 499 return 0; 500 } 501 502 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 503 { 504 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 505 struct snd_pcm_runtime *runtime = substream->runtime; 506 struct snd_emu10k1_pcm *epcm = runtime->private_data; 507 unsigned int start_addr, end_addr; 508 509 start_addr = epcm->start_addr; 510 end_addr = snd_pcm_lib_period_bytes(substream); 511 if (runtime->channels == 2) { 512 start_addr >>= 1; 513 end_addr >>= 1; 514 } 515 end_addr += start_addr; 516 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 517 start_addr, end_addr, NULL); 518 start_addr = epcm->start_addr; 519 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 520 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 521 start_addr, end_addr, 522 &emu->pcm_mixer[substream->number]); 523 if (epcm->voices[1]) 524 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 525 start_addr, end_addr, 526 &emu->pcm_mixer[substream->number]); 527 return 0; 528 } 529 530 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 531 { 532 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 533 struct snd_pcm_runtime *runtime = substream->runtime; 534 struct snd_emu10k1_pcm *epcm = runtime->private_data; 535 unsigned int start_addr, end_addr; 536 unsigned int channel_size; 537 int i; 538 539 start_addr = epcm->start_addr; 540 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 541 542 /* 543 * the kX driver leaves some space between voices 544 */ 545 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 546 547 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 548 start_addr, start_addr + (channel_size / 2), NULL); 549 550 /* only difference with the master voice is we use it for the pointer */ 551 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 552 start_addr, start_addr + channel_size, 553 &emu->efx_pcm_mixer[0]); 554 555 start_addr += channel_size; 556 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 557 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 558 start_addr, start_addr + channel_size, 559 &emu->efx_pcm_mixer[i]); 560 start_addr += channel_size; 561 } 562 563 return 0; 564 } 565 566 static const struct snd_pcm_hardware snd_emu10k1_efx_playback = 567 { 568 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 569 SNDRV_PCM_INFO_BLOCK_TRANSFER | 570 SNDRV_PCM_INFO_RESUME | 571 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 572 .formats = SNDRV_PCM_FMTBIT_S16_LE, 573 .rates = SNDRV_PCM_RATE_48000, 574 .rate_min = 48000, 575 .rate_max = 48000, 576 .channels_min = NUM_EFX_PLAYBACK, 577 .channels_max = NUM_EFX_PLAYBACK, 578 .buffer_bytes_max = (64*1024), 579 .period_bytes_min = 64, 580 .period_bytes_max = (64*1024), 581 .periods_min = 2, 582 .periods_max = 2, 583 .fifo_size = 0, 584 }; 585 586 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 587 struct snd_pcm_hw_params *hw_params) 588 { 589 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 590 } 591 592 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 593 { 594 return snd_pcm_lib_free_pages(substream); 595 } 596 597 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 598 { 599 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 600 struct snd_pcm_runtime *runtime = substream->runtime; 601 struct snd_emu10k1_pcm *epcm = runtime->private_data; 602 int idx; 603 604 /* zeroing the buffer size will stop capture */ 605 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 606 switch (epcm->type) { 607 case CAPTURE_AC97ADC: 608 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 609 break; 610 case CAPTURE_EFX: 611 if (emu->audigy) { 612 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 613 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 614 } else 615 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 616 break; 617 default: 618 break; 619 } 620 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 621 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 622 epcm->capture_bs_val = 0; 623 for (idx = 0; idx < 31; idx++) { 624 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 625 epcm->capture_bs_val = idx + 1; 626 break; 627 } 628 } 629 if (epcm->capture_bs_val == 0) { 630 snd_BUG(); 631 epcm->capture_bs_val++; 632 } 633 if (epcm->type == CAPTURE_AC97ADC) { 634 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 635 if (runtime->channels > 1) 636 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 637 epcm->capture_cr_val |= emu->audigy ? 638 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 639 snd_emu10k1_capture_rate_reg(runtime->rate); 640 } 641 return 0; 642 } 643 644 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 645 { 646 struct snd_pcm_runtime *runtime; 647 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 648 649 if (evoice == NULL) 650 return; 651 runtime = evoice->epcm->substream->runtime; 652 voice = evoice->number; 653 stereo = (!extra && runtime->channels == 2); 654 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 655 ccis = emu10k1_ccis(stereo, sample == 0); 656 /* set cs to 2 * number of cache registers beside the invalidated */ 657 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 658 if (cs > 16) cs = 16; 659 for (i = 0; i < cs; i++) { 660 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 661 if (stereo) { 662 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 663 } 664 } 665 /* reset cache */ 666 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 667 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 668 if (stereo) { 669 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 670 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 671 } 672 /* fill cache */ 673 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 674 if (stereo) { 675 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 676 } 677 } 678 679 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 680 int master, int extra, 681 struct snd_emu10k1_pcm_mixer *mix) 682 { 683 struct snd_pcm_substream *substream; 684 struct snd_pcm_runtime *runtime; 685 unsigned int attn, vattn; 686 unsigned int voice, tmp; 687 688 if (evoice == NULL) /* skip second voice for mono */ 689 return; 690 substream = evoice->epcm->substream; 691 runtime = substream->runtime; 692 voice = evoice->number; 693 694 attn = extra ? 0 : 0x00ff; 695 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 696 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 697 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 698 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 699 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 700 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 701 snd_emu10k1_voice_clear_loop_stop(emu, voice); 702 } 703 704 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 705 { 706 struct snd_pcm_substream *substream; 707 struct snd_pcm_runtime *runtime; 708 unsigned int voice, pitch, pitch_target; 709 710 if (evoice == NULL) /* skip second voice for mono */ 711 return; 712 substream = evoice->epcm->substream; 713 runtime = substream->runtime; 714 voice = evoice->number; 715 716 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 717 if (emu->card_capabilities->emu_model) 718 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 719 else 720 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 721 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 722 if (master || evoice->epcm->type == PLAYBACK_EFX) 723 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 724 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 725 if (extra) 726 snd_emu10k1_voice_intr_enable(emu, voice); 727 } 728 729 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 730 { 731 unsigned int voice; 732 733 if (evoice == NULL) 734 return; 735 voice = evoice->number; 736 snd_emu10k1_voice_intr_disable(emu, voice); 737 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 738 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 739 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 740 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 741 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 742 snd_emu10k1_ptr_write(emu, IP, voice, 0); 743 } 744 745 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 746 struct snd_emu10k1_pcm *epcm, 747 struct snd_pcm_substream *substream, 748 struct snd_pcm_runtime *runtime) 749 { 750 unsigned int ptr, period_pos; 751 752 /* try to sychronize the current position for the interrupt 753 source voice */ 754 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 755 period_pos %= runtime->period_size; 756 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 757 ptr &= ~0x00ffffff; 758 ptr |= epcm->ccca_start_addr + period_pos; 759 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 760 } 761 762 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 763 int cmd) 764 { 765 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 766 struct snd_pcm_runtime *runtime = substream->runtime; 767 struct snd_emu10k1_pcm *epcm = runtime->private_data; 768 struct snd_emu10k1_pcm_mixer *mix; 769 int result = 0; 770 771 /* 772 dev_dbg(emu->card->dev, 773 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 774 (int)emu, cmd, substream->ops->pointer(substream)) 775 */ 776 spin_lock(&emu->reg_lock); 777 switch (cmd) { 778 case SNDRV_PCM_TRIGGER_START: 779 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 780 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 781 /* fall through */ 782 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 783 case SNDRV_PCM_TRIGGER_RESUME: 784 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 785 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 786 mix = &emu->pcm_mixer[substream->number]; 787 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 788 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 789 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 790 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 791 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 792 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 793 epcm->running = 1; 794 break; 795 case SNDRV_PCM_TRIGGER_STOP: 796 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 797 case SNDRV_PCM_TRIGGER_SUSPEND: 798 epcm->running = 0; 799 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 800 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 801 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 802 break; 803 default: 804 result = -EINVAL; 805 break; 806 } 807 spin_unlock(&emu->reg_lock); 808 return result; 809 } 810 811 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 812 int cmd) 813 { 814 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 815 struct snd_pcm_runtime *runtime = substream->runtime; 816 struct snd_emu10k1_pcm *epcm = runtime->private_data; 817 int result = 0; 818 819 spin_lock(&emu->reg_lock); 820 switch (cmd) { 821 case SNDRV_PCM_TRIGGER_START: 822 case SNDRV_PCM_TRIGGER_RESUME: 823 /* hmm this should cause full and half full interrupt to be raised? */ 824 outl(epcm->capture_ipr, emu->port + IPR); 825 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 826 /* 827 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", 828 epcm->adccr, epcm->adcbs); 829 */ 830 switch (epcm->type) { 831 case CAPTURE_AC97ADC: 832 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 833 break; 834 case CAPTURE_EFX: 835 if (emu->audigy) { 836 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 837 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 838 dev_dbg(emu->card->dev, 839 "cr_val=0x%x, cr_val2=0x%x\n", 840 epcm->capture_cr_val, 841 epcm->capture_cr_val2); 842 } else 843 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 844 break; 845 default: 846 break; 847 } 848 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 849 epcm->running = 1; 850 epcm->first_ptr = 1; 851 break; 852 case SNDRV_PCM_TRIGGER_STOP: 853 case SNDRV_PCM_TRIGGER_SUSPEND: 854 epcm->running = 0; 855 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 856 outl(epcm->capture_ipr, emu->port + IPR); 857 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 858 switch (epcm->type) { 859 case CAPTURE_AC97ADC: 860 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 861 break; 862 case CAPTURE_EFX: 863 if (emu->audigy) { 864 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 865 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 866 } else 867 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 868 break; 869 default: 870 break; 871 } 872 break; 873 default: 874 result = -EINVAL; 875 } 876 spin_unlock(&emu->reg_lock); 877 return result; 878 } 879 880 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 881 { 882 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 883 struct snd_pcm_runtime *runtime = substream->runtime; 884 struct snd_emu10k1_pcm *epcm = runtime->private_data; 885 unsigned int ptr; 886 887 if (!epcm->running) 888 return 0; 889 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 890 #if 0 /* Perex's code */ 891 ptr += runtime->buffer_size; 892 ptr -= epcm->ccca_start_addr; 893 ptr %= runtime->buffer_size; 894 #else /* EMU10K1 Open Source code from Creative */ 895 if (ptr < epcm->ccca_start_addr) 896 ptr += runtime->buffer_size - epcm->ccca_start_addr; 897 else { 898 ptr -= epcm->ccca_start_addr; 899 if (ptr >= runtime->buffer_size) 900 ptr -= runtime->buffer_size; 901 } 902 #endif 903 /* 904 dev_dbg(emu->card->dev, 905 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 906 (long)ptr, (long)runtime->buffer_size, 907 (long)runtime->period_size); 908 */ 909 return ptr; 910 } 911 912 913 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 914 int cmd) 915 { 916 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 917 struct snd_pcm_runtime *runtime = substream->runtime; 918 struct snd_emu10k1_pcm *epcm = runtime->private_data; 919 int i; 920 int result = 0; 921 922 spin_lock(&emu->reg_lock); 923 switch (cmd) { 924 case SNDRV_PCM_TRIGGER_START: 925 /* prepare voices */ 926 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 927 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 928 } 929 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 930 931 /* fall through */ 932 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 933 case SNDRV_PCM_TRIGGER_RESUME: 934 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 935 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 936 &emu->efx_pcm_mixer[0]); 937 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 938 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 939 &emu->efx_pcm_mixer[i]); 940 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 941 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 942 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 943 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 944 epcm->running = 1; 945 break; 946 case SNDRV_PCM_TRIGGER_SUSPEND: 947 case SNDRV_PCM_TRIGGER_STOP: 948 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 949 epcm->running = 0; 950 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 951 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 952 } 953 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 954 break; 955 default: 956 result = -EINVAL; 957 break; 958 } 959 spin_unlock(&emu->reg_lock); 960 return result; 961 } 962 963 964 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 965 { 966 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 967 struct snd_pcm_runtime *runtime = substream->runtime; 968 struct snd_emu10k1_pcm *epcm = runtime->private_data; 969 unsigned int ptr; 970 971 if (!epcm->running) 972 return 0; 973 if (epcm->first_ptr) { 974 udelay(50); /* hack, it takes awhile until capture is started */ 975 epcm->first_ptr = 0; 976 } 977 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 978 return bytes_to_frames(runtime, ptr); 979 } 980 981 /* 982 * Playback support device description 983 */ 984 985 static const struct snd_pcm_hardware snd_emu10k1_playback = 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 | SNDRV_PCM_INFO_PAUSE), 991 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 992 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 993 .rate_min = 4000, 994 .rate_max = 96000, 995 .channels_min = 1, 996 .channels_max = 2, 997 .buffer_bytes_max = (128*1024), 998 .period_bytes_min = 64, 999 .period_bytes_max = (128*1024), 1000 .periods_min = 1, 1001 .periods_max = 1024, 1002 .fifo_size = 0, 1003 }; 1004 1005 /* 1006 * Capture support device description 1007 */ 1008 1009 static const struct snd_pcm_hardware snd_emu10k1_capture = 1010 { 1011 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1012 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1013 SNDRV_PCM_INFO_RESUME | 1014 SNDRV_PCM_INFO_MMAP_VALID), 1015 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1016 .rates = SNDRV_PCM_RATE_8000_48000, 1017 .rate_min = 8000, 1018 .rate_max = 48000, 1019 .channels_min = 1, 1020 .channels_max = 2, 1021 .buffer_bytes_max = (64*1024), 1022 .period_bytes_min = 384, 1023 .period_bytes_max = (64*1024), 1024 .periods_min = 2, 1025 .periods_max = 2, 1026 .fifo_size = 0, 1027 }; 1028 1029 static const struct snd_pcm_hardware snd_emu10k1_capture_efx = 1030 { 1031 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1032 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1033 SNDRV_PCM_INFO_RESUME | 1034 SNDRV_PCM_INFO_MMAP_VALID), 1035 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1036 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1037 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1038 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1039 .rate_min = 44100, 1040 .rate_max = 192000, 1041 .channels_min = 8, 1042 .channels_max = 8, 1043 .buffer_bytes_max = (64*1024), 1044 .period_bytes_min = 384, 1045 .period_bytes_max = (64*1024), 1046 .periods_min = 2, 1047 .periods_max = 2, 1048 .fifo_size = 0, 1049 }; 1050 1051 /* 1052 * 1053 */ 1054 1055 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1056 { 1057 struct snd_ctl_elem_id id; 1058 1059 if (! kctl) 1060 return; 1061 if (activate) 1062 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1063 else 1064 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1065 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1066 SNDRV_CTL_EVENT_MASK_INFO, 1067 snd_ctl_build_ioff(&id, kctl, idx)); 1068 } 1069 1070 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1071 { 1072 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1073 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1074 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1075 } 1076 1077 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1078 { 1079 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1080 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1081 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1082 } 1083 1084 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1085 { 1086 kfree(runtime->private_data); 1087 } 1088 1089 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1090 { 1091 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1092 struct snd_emu10k1_pcm_mixer *mix; 1093 int i; 1094 1095 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1096 mix = &emu->efx_pcm_mixer[i]; 1097 mix->epcm = NULL; 1098 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1099 } 1100 return 0; 1101 } 1102 1103 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1104 { 1105 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1106 struct snd_emu10k1_pcm *epcm; 1107 struct snd_emu10k1_pcm_mixer *mix; 1108 struct snd_pcm_runtime *runtime = substream->runtime; 1109 int i; 1110 1111 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1112 if (epcm == NULL) 1113 return -ENOMEM; 1114 epcm->emu = emu; 1115 epcm->type = PLAYBACK_EFX; 1116 epcm->substream = substream; 1117 1118 emu->pcm_playback_efx_substream = substream; 1119 1120 runtime->private_data = epcm; 1121 runtime->private_free = snd_emu10k1_pcm_free_substream; 1122 runtime->hw = snd_emu10k1_efx_playback; 1123 1124 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1125 mix = &emu->efx_pcm_mixer[i]; 1126 mix->send_routing[0][0] = i; 1127 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1128 mix->send_volume[0][0] = 255; 1129 mix->attn[0] = 0xffff; 1130 mix->epcm = epcm; 1131 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1132 } 1133 return 0; 1134 } 1135 1136 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1137 { 1138 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1139 struct snd_emu10k1_pcm *epcm; 1140 struct snd_emu10k1_pcm_mixer *mix; 1141 struct snd_pcm_runtime *runtime = substream->runtime; 1142 int i, err, sample_rate; 1143 1144 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1145 if (epcm == NULL) 1146 return -ENOMEM; 1147 epcm->emu = emu; 1148 epcm->type = PLAYBACK_EMUVOICE; 1149 epcm->substream = substream; 1150 runtime->private_data = epcm; 1151 runtime->private_free = snd_emu10k1_pcm_free_substream; 1152 runtime->hw = snd_emu10k1_playback; 1153 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1154 kfree(epcm); 1155 return err; 1156 } 1157 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1158 kfree(epcm); 1159 return err; 1160 } 1161 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1162 sample_rate = 44100; 1163 else 1164 sample_rate = 48000; 1165 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1166 if (err < 0) { 1167 kfree(epcm); 1168 return err; 1169 } 1170 mix = &emu->pcm_mixer[substream->number]; 1171 for (i = 0; i < 4; i++) 1172 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1173 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1174 mix->send_volume[0][0] = mix->send_volume[0][1] = 1175 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1176 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1177 mix->epcm = epcm; 1178 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1179 return 0; 1180 } 1181 1182 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1183 { 1184 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1185 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1186 1187 mix->epcm = NULL; 1188 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1189 return 0; 1190 } 1191 1192 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1193 { 1194 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1195 struct snd_pcm_runtime *runtime = substream->runtime; 1196 struct snd_emu10k1_pcm *epcm; 1197 1198 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1199 if (epcm == NULL) 1200 return -ENOMEM; 1201 epcm->emu = emu; 1202 epcm->type = CAPTURE_AC97ADC; 1203 epcm->substream = substream; 1204 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1205 epcm->capture_inte = INTE_ADCBUFENABLE; 1206 epcm->capture_ba_reg = ADCBA; 1207 epcm->capture_bs_reg = ADCBS; 1208 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1209 runtime->private_data = epcm; 1210 runtime->private_free = snd_emu10k1_pcm_free_substream; 1211 runtime->hw = snd_emu10k1_capture; 1212 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1213 emu->pcm_capture_substream = substream; 1214 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1215 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1216 return 0; 1217 } 1218 1219 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1220 { 1221 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1222 1223 emu->capture_interrupt = NULL; 1224 emu->pcm_capture_substream = NULL; 1225 return 0; 1226 } 1227 1228 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1229 { 1230 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1231 struct snd_emu10k1_pcm *epcm; 1232 struct snd_pcm_runtime *runtime = substream->runtime; 1233 1234 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1235 if (epcm == NULL) 1236 return -ENOMEM; 1237 epcm->emu = emu; 1238 epcm->type = CAPTURE_AC97MIC; 1239 epcm->substream = substream; 1240 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1241 epcm->capture_inte = INTE_MICBUFENABLE; 1242 epcm->capture_ba_reg = MICBA; 1243 epcm->capture_bs_reg = MICBS; 1244 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1245 substream->runtime->private_data = epcm; 1246 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1247 runtime->hw = snd_emu10k1_capture; 1248 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1249 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1250 runtime->hw.channels_min = 1; 1251 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1252 emu->pcm_capture_mic_substream = substream; 1253 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1254 return 0; 1255 } 1256 1257 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1258 { 1259 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1260 1261 emu->capture_interrupt = NULL; 1262 emu->pcm_capture_mic_substream = NULL; 1263 return 0; 1264 } 1265 1266 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1267 { 1268 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1269 struct snd_emu10k1_pcm *epcm; 1270 struct snd_pcm_runtime *runtime = substream->runtime; 1271 int nefx = emu->audigy ? 64 : 32; 1272 int idx; 1273 1274 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1275 if (epcm == NULL) 1276 return -ENOMEM; 1277 epcm->emu = emu; 1278 epcm->type = CAPTURE_EFX; 1279 epcm->substream = substream; 1280 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1281 epcm->capture_inte = INTE_EFXBUFENABLE; 1282 epcm->capture_ba_reg = FXBA; 1283 epcm->capture_bs_reg = FXBS; 1284 epcm->capture_idx_reg = FXIDX; 1285 substream->runtime->private_data = epcm; 1286 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1287 runtime->hw = snd_emu10k1_capture_efx; 1288 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1289 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1290 spin_lock_irq(&emu->reg_lock); 1291 if (emu->card_capabilities->emu_model) { 1292 /* Nb. of channels has been increased to 16 */ 1293 /* TODO 1294 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1295 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1296 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1297 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1298 * rate_min = 44100, 1299 * rate_max = 192000, 1300 * channels_min = 16, 1301 * channels_max = 16, 1302 * Need to add mixer control to fix sample rate 1303 * 1304 * There are 32 mono channels of 16bits each. 1305 * 24bit Audio uses 2x channels over 16bit 1306 * 96kHz uses 2x channels over 48kHz 1307 * 192kHz uses 4x channels over 48kHz 1308 * So, for 48kHz 24bit, one has 16 channels 1309 * for 96kHz 24bit, one has 8 channels 1310 * for 192kHz 24bit, one has 4 channels 1311 * 1312 */ 1313 #if 1 1314 switch (emu->emu1010.internal_clock) { 1315 case 0: 1316 /* For 44.1kHz */ 1317 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1318 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1319 runtime->hw.channels_min = 1320 runtime->hw.channels_max = 16; 1321 break; 1322 case 1: 1323 /* For 48kHz */ 1324 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1325 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1326 runtime->hw.channels_min = 1327 runtime->hw.channels_max = 16; 1328 break; 1329 } 1330 #endif 1331 #if 0 1332 /* For 96kHz */ 1333 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1334 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1335 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1336 #endif 1337 #if 0 1338 /* For 192kHz */ 1339 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1340 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1341 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1342 #endif 1343 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1344 /* efx_voices_mask[0] is expected to be zero 1345 * efx_voices_mask[1] is expected to have 32bits set 1346 */ 1347 } else { 1348 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1349 for (idx = 0; idx < nefx; idx++) { 1350 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1351 runtime->hw.channels_min++; 1352 runtime->hw.channels_max++; 1353 } 1354 } 1355 } 1356 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1357 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1358 spin_unlock_irq(&emu->reg_lock); 1359 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1360 emu->pcm_capture_efx_substream = substream; 1361 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1362 return 0; 1363 } 1364 1365 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1366 { 1367 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1368 1369 emu->capture_interrupt = NULL; 1370 emu->pcm_capture_efx_substream = NULL; 1371 return 0; 1372 } 1373 1374 static const struct snd_pcm_ops snd_emu10k1_playback_ops = { 1375 .open = snd_emu10k1_playback_open, 1376 .close = snd_emu10k1_playback_close, 1377 .ioctl = snd_pcm_lib_ioctl, 1378 .hw_params = snd_emu10k1_playback_hw_params, 1379 .hw_free = snd_emu10k1_playback_hw_free, 1380 .prepare = snd_emu10k1_playback_prepare, 1381 .trigger = snd_emu10k1_playback_trigger, 1382 .pointer = snd_emu10k1_playback_pointer, 1383 .page = snd_pcm_sgbuf_ops_page, 1384 }; 1385 1386 static const struct snd_pcm_ops snd_emu10k1_capture_ops = { 1387 .open = snd_emu10k1_capture_open, 1388 .close = snd_emu10k1_capture_close, 1389 .ioctl = snd_pcm_lib_ioctl, 1390 .hw_params = snd_emu10k1_capture_hw_params, 1391 .hw_free = snd_emu10k1_capture_hw_free, 1392 .prepare = snd_emu10k1_capture_prepare, 1393 .trigger = snd_emu10k1_capture_trigger, 1394 .pointer = snd_emu10k1_capture_pointer, 1395 }; 1396 1397 /* EFX playback */ 1398 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1399 .open = snd_emu10k1_efx_playback_open, 1400 .close = snd_emu10k1_efx_playback_close, 1401 .ioctl = snd_pcm_lib_ioctl, 1402 .hw_params = snd_emu10k1_playback_hw_params, 1403 .hw_free = snd_emu10k1_efx_playback_hw_free, 1404 .prepare = snd_emu10k1_efx_playback_prepare, 1405 .trigger = snd_emu10k1_efx_playback_trigger, 1406 .pointer = snd_emu10k1_efx_playback_pointer, 1407 .page = snd_pcm_sgbuf_ops_page, 1408 }; 1409 1410 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) 1411 { 1412 struct snd_pcm *pcm; 1413 struct snd_pcm_substream *substream; 1414 int err; 1415 1416 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1417 return err; 1418 1419 pcm->private_data = emu; 1420 1421 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1422 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1423 1424 pcm->info_flags = 0; 1425 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1426 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1427 emu->pcm = pcm; 1428 1429 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1430 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1431 return err; 1432 1433 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1434 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1435 1436 return 0; 1437 } 1438 1439 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) 1440 { 1441 struct snd_pcm *pcm; 1442 struct snd_pcm_substream *substream; 1443 int err; 1444 1445 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1446 return err; 1447 1448 pcm->private_data = emu; 1449 1450 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1451 1452 pcm->info_flags = 0; 1453 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1454 strcpy(pcm->name, "Multichannel Playback"); 1455 emu->pcm_multi = pcm; 1456 1457 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1458 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1459 return err; 1460 1461 return 0; 1462 } 1463 1464 1465 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1466 .open = snd_emu10k1_capture_mic_open, 1467 .close = snd_emu10k1_capture_mic_close, 1468 .ioctl = snd_pcm_lib_ioctl, 1469 .hw_params = snd_emu10k1_capture_hw_params, 1470 .hw_free = snd_emu10k1_capture_hw_free, 1471 .prepare = snd_emu10k1_capture_prepare, 1472 .trigger = snd_emu10k1_capture_trigger, 1473 .pointer = snd_emu10k1_capture_pointer, 1474 }; 1475 1476 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) 1477 { 1478 struct snd_pcm *pcm; 1479 int err; 1480 1481 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1482 return err; 1483 1484 pcm->private_data = emu; 1485 1486 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1487 1488 pcm->info_flags = 0; 1489 strcpy(pcm->name, "Mic Capture"); 1490 emu->pcm_mic = pcm; 1491 1492 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1493 1494 return 0; 1495 } 1496 1497 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1498 { 1499 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1500 int nefx = emu->audigy ? 64 : 32; 1501 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1502 uinfo->count = nefx; 1503 uinfo->value.integer.min = 0; 1504 uinfo->value.integer.max = 1; 1505 return 0; 1506 } 1507 1508 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1509 { 1510 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1511 int nefx = emu->audigy ? 64 : 32; 1512 int idx; 1513 1514 spin_lock_irq(&emu->reg_lock); 1515 for (idx = 0; idx < nefx; idx++) 1516 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1517 spin_unlock_irq(&emu->reg_lock); 1518 return 0; 1519 } 1520 1521 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1522 { 1523 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1524 unsigned int nval[2], bits; 1525 int nefx = emu->audigy ? 64 : 32; 1526 int nefxb = emu->audigy ? 7 : 6; 1527 int change, idx; 1528 1529 nval[0] = nval[1] = 0; 1530 for (idx = 0, bits = 0; idx < nefx; idx++) 1531 if (ucontrol->value.integer.value[idx]) { 1532 nval[idx / 32] |= 1 << (idx % 32); 1533 bits++; 1534 } 1535 1536 for (idx = 0; idx < nefxb; idx++) 1537 if (1 << idx == bits) 1538 break; 1539 1540 if (idx >= nefxb) 1541 return -EINVAL; 1542 1543 spin_lock_irq(&emu->reg_lock); 1544 change = (nval[0] != emu->efx_voices_mask[0]) || 1545 (nval[1] != emu->efx_voices_mask[1]); 1546 emu->efx_voices_mask[0] = nval[0]; 1547 emu->efx_voices_mask[1] = nval[1]; 1548 spin_unlock_irq(&emu->reg_lock); 1549 return change; 1550 } 1551 1552 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1553 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1554 .name = "Captured FX8010 Outputs", 1555 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1556 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1557 .put = snd_emu10k1_pcm_efx_voices_mask_put 1558 }; 1559 1560 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1561 .open = snd_emu10k1_capture_efx_open, 1562 .close = snd_emu10k1_capture_efx_close, 1563 .ioctl = snd_pcm_lib_ioctl, 1564 .hw_params = snd_emu10k1_capture_hw_params, 1565 .hw_free = snd_emu10k1_capture_hw_free, 1566 .prepare = snd_emu10k1_capture_prepare, 1567 .trigger = snd_emu10k1_capture_trigger, 1568 .pointer = snd_emu10k1_capture_pointer, 1569 }; 1570 1571 1572 /* EFX playback */ 1573 1574 #define INITIAL_TRAM_SHIFT 14 1575 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1576 1577 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1578 { 1579 struct snd_pcm_substream *substream = private_data; 1580 snd_pcm_period_elapsed(substream); 1581 } 1582 1583 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1584 unsigned short *dst_right, 1585 unsigned short *src, 1586 unsigned int count, 1587 unsigned int tram_shift) 1588 { 1589 /* 1590 dev_dbg(emu->card->dev, 1591 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1592 "src = 0x%p, count = 0x%x\n", 1593 dst_left, dst_right, src, count); 1594 */ 1595 if ((tram_shift & 1) == 0) { 1596 while (count--) { 1597 *dst_left-- = *src++; 1598 *dst_right-- = *src++; 1599 } 1600 } else { 1601 while (count--) { 1602 *dst_right-- = *src++; 1603 *dst_left-- = *src++; 1604 } 1605 } 1606 } 1607 1608 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1609 struct snd_pcm_indirect *rec, size_t bytes) 1610 { 1611 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1612 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1613 unsigned int tram_size = pcm->buffer_size; 1614 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1615 unsigned int frames = bytes >> 2, count; 1616 unsigned int tram_pos = pcm->tram_pos; 1617 unsigned int tram_shift = pcm->tram_shift; 1618 1619 while (frames > tram_pos) { 1620 count = tram_pos + 1; 1621 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1622 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1623 src, count, tram_shift); 1624 src += count * 2; 1625 frames -= count; 1626 tram_pos = (tram_size / 2) - 1; 1627 tram_shift++; 1628 } 1629 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1630 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1631 src, frames, tram_shift); 1632 tram_pos -= frames; 1633 pcm->tram_pos = tram_pos; 1634 pcm->tram_shift = tram_shift; 1635 } 1636 1637 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1638 { 1639 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1640 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1641 1642 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, 1643 fx8010_pb_trans_copy); 1644 } 1645 1646 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1647 struct snd_pcm_hw_params *hw_params) 1648 { 1649 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1650 } 1651 1652 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1653 { 1654 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1655 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1656 unsigned int i; 1657 1658 for (i = 0; i < pcm->channels; i++) 1659 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1660 snd_pcm_lib_free_pages(substream); 1661 return 0; 1662 } 1663 1664 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1665 { 1666 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1667 struct snd_pcm_runtime *runtime = substream->runtime; 1668 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1669 unsigned int i; 1670 1671 /* 1672 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1673 "buffer_size = 0x%x (0x%x)\n", 1674 emu->fx8010.etram_pages, runtime->dma_area, 1675 runtime->buffer_size, runtime->buffer_size << 2); 1676 */ 1677 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1678 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1679 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1680 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1681 pcm->tram_shift = 0; 1682 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1683 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1684 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1685 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1686 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1687 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1688 for (i = 0; i < pcm->channels; i++) 1689 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1690 return 0; 1691 } 1692 1693 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1694 { 1695 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1696 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1697 int result = 0; 1698 1699 spin_lock(&emu->reg_lock); 1700 switch (cmd) { 1701 case SNDRV_PCM_TRIGGER_START: 1702 /* follow thru */ 1703 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1704 case SNDRV_PCM_TRIGGER_RESUME: 1705 #ifdef EMU10K1_SET_AC3_IEC958 1706 { 1707 int i; 1708 for (i = 0; i < 3; i++) { 1709 unsigned int bits; 1710 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1711 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1712 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1713 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1714 } 1715 } 1716 #endif 1717 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1718 if (result < 0) 1719 goto __err; 1720 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1721 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1722 break; 1723 case SNDRV_PCM_TRIGGER_STOP: 1724 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1725 case SNDRV_PCM_TRIGGER_SUSPEND: 1726 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq); 1727 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1728 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1729 pcm->tram_shift = 0; 1730 break; 1731 default: 1732 result = -EINVAL; 1733 break; 1734 } 1735 __err: 1736 spin_unlock(&emu->reg_lock); 1737 return result; 1738 } 1739 1740 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1741 { 1742 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1743 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1744 size_t ptr; /* byte pointer */ 1745 1746 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1747 return 0; 1748 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1749 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1750 } 1751 1752 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1753 { 1754 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1755 SNDRV_PCM_INFO_RESUME | 1756 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1757 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1758 .rates = SNDRV_PCM_RATE_48000, 1759 .rate_min = 48000, 1760 .rate_max = 48000, 1761 .channels_min = 1, 1762 .channels_max = 1, 1763 .buffer_bytes_max = (128*1024), 1764 .period_bytes_min = 1024, 1765 .period_bytes_max = (128*1024), 1766 .periods_min = 2, 1767 .periods_max = 1024, 1768 .fifo_size = 0, 1769 }; 1770 1771 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1772 { 1773 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1774 struct snd_pcm_runtime *runtime = substream->runtime; 1775 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1776 1777 runtime->hw = snd_emu10k1_fx8010_playback; 1778 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1779 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1780 spin_lock_irq(&emu->reg_lock); 1781 if (pcm->valid == 0) { 1782 spin_unlock_irq(&emu->reg_lock); 1783 return -ENODEV; 1784 } 1785 pcm->opened = 1; 1786 spin_unlock_irq(&emu->reg_lock); 1787 return 0; 1788 } 1789 1790 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1791 { 1792 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1793 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1794 1795 spin_lock_irq(&emu->reg_lock); 1796 pcm->opened = 0; 1797 spin_unlock_irq(&emu->reg_lock); 1798 return 0; 1799 } 1800 1801 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1802 .open = snd_emu10k1_fx8010_playback_open, 1803 .close = snd_emu10k1_fx8010_playback_close, 1804 .ioctl = snd_pcm_lib_ioctl, 1805 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1806 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1807 .prepare = snd_emu10k1_fx8010_playback_prepare, 1808 .trigger = snd_emu10k1_fx8010_playback_trigger, 1809 .pointer = snd_emu10k1_fx8010_playback_pointer, 1810 .ack = snd_emu10k1_fx8010_playback_transfer, 1811 }; 1812 1813 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) 1814 { 1815 struct snd_pcm *pcm; 1816 struct snd_kcontrol *kctl; 1817 int err; 1818 1819 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1820 return err; 1821 1822 pcm->private_data = emu; 1823 1824 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1825 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1826 1827 pcm->info_flags = 0; 1828 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1829 emu->pcm_efx = pcm; 1830 1831 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1832 * to these 1833 */ 1834 1835 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1836 if (emu->audigy) { 1837 emu->efx_voices_mask[0] = 0; 1838 if (emu->card_capabilities->emu_model) 1839 /* Pavel Hofman - 32 voices will be used for 1840 * capture (write mode) - 1841 * each bit = corresponding voice 1842 */ 1843 emu->efx_voices_mask[1] = 0xffffffff; 1844 else 1845 emu->efx_voices_mask[1] = 0xffff; 1846 } else { 1847 emu->efx_voices_mask[0] = 0xffff0000; 1848 emu->efx_voices_mask[1] = 0; 1849 } 1850 /* For emu1010, the control has to set 32 upper bits (voices) 1851 * out of the 64 bits (voices) to true for the 16-channels capture 1852 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1853 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1854 * control can override this register's value. 1855 */ 1856 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1857 if (!kctl) 1858 return -ENOMEM; 1859 kctl->id.device = device; 1860 err = snd_ctl_add(emu->card, kctl); 1861 if (err < 0) 1862 return err; 1863 1864 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1865 1866 return 0; 1867 } 1868