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 int err; 415 416 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 417 return err; 418 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 419 return err; 420 if (err > 0) { /* change */ 421 int mapped; 422 if (epcm->memblk != NULL) 423 snd_emu10k1_free_pages(emu, epcm->memblk); 424 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 425 epcm->start_addr = 0; 426 if (! epcm->memblk) 427 return -ENOMEM; 428 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 429 if (mapped < 0) 430 return -ENOMEM; 431 epcm->start_addr = mapped << PAGE_SHIFT; 432 } 433 return 0; 434 } 435 436 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 437 { 438 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 439 struct snd_pcm_runtime *runtime = substream->runtime; 440 struct snd_emu10k1_pcm *epcm; 441 442 if (runtime->private_data == NULL) 443 return 0; 444 epcm = runtime->private_data; 445 if (epcm->extra) { 446 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 447 epcm->extra = NULL; 448 } 449 if (epcm->voices[1]) { 450 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 451 epcm->voices[1] = NULL; 452 } 453 if (epcm->voices[0]) { 454 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 455 epcm->voices[0] = NULL; 456 } 457 if (epcm->memblk) { 458 snd_emu10k1_free_pages(emu, epcm->memblk); 459 epcm->memblk = NULL; 460 epcm->start_addr = 0; 461 } 462 snd_pcm_lib_free_pages(substream); 463 return 0; 464 } 465 466 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 467 { 468 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 469 struct snd_pcm_runtime *runtime = substream->runtime; 470 struct snd_emu10k1_pcm *epcm; 471 int i; 472 473 if (runtime->private_data == NULL) 474 return 0; 475 epcm = runtime->private_data; 476 if (epcm->extra) { 477 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 478 epcm->extra = NULL; 479 } 480 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 481 if (epcm->voices[i]) { 482 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 483 epcm->voices[i] = NULL; 484 } 485 } 486 if (epcm->memblk) { 487 snd_emu10k1_free_pages(emu, epcm->memblk); 488 epcm->memblk = NULL; 489 epcm->start_addr = 0; 490 } 491 snd_pcm_lib_free_pages(substream); 492 return 0; 493 } 494 495 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 496 { 497 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 498 struct snd_pcm_runtime *runtime = substream->runtime; 499 struct snd_emu10k1_pcm *epcm = runtime->private_data; 500 unsigned int start_addr, end_addr; 501 502 start_addr = epcm->start_addr; 503 end_addr = snd_pcm_lib_period_bytes(substream); 504 if (runtime->channels == 2) { 505 start_addr >>= 1; 506 end_addr >>= 1; 507 } 508 end_addr += start_addr; 509 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 510 start_addr, end_addr, NULL); 511 start_addr = epcm->start_addr; 512 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 513 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 514 start_addr, end_addr, 515 &emu->pcm_mixer[substream->number]); 516 if (epcm->voices[1]) 517 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 518 start_addr, end_addr, 519 &emu->pcm_mixer[substream->number]); 520 return 0; 521 } 522 523 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 524 { 525 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 526 struct snd_pcm_runtime *runtime = substream->runtime; 527 struct snd_emu10k1_pcm *epcm = runtime->private_data; 528 unsigned int start_addr, end_addr; 529 unsigned int channel_size; 530 int i; 531 532 start_addr = epcm->start_addr; 533 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 534 535 /* 536 * the kX driver leaves some space between voices 537 */ 538 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 539 540 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 541 start_addr, start_addr + (channel_size / 2), NULL); 542 543 /* only difference with the master voice is we use it for the pointer */ 544 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 545 start_addr, start_addr + channel_size, 546 &emu->efx_pcm_mixer[0]); 547 548 start_addr += channel_size; 549 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 550 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 551 start_addr, start_addr + channel_size, 552 &emu->efx_pcm_mixer[i]); 553 start_addr += channel_size; 554 } 555 556 return 0; 557 } 558 559 static const struct snd_pcm_hardware snd_emu10k1_efx_playback = 560 { 561 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 562 SNDRV_PCM_INFO_BLOCK_TRANSFER | 563 SNDRV_PCM_INFO_RESUME | 564 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 565 .formats = SNDRV_PCM_FMTBIT_S16_LE, 566 .rates = SNDRV_PCM_RATE_48000, 567 .rate_min = 48000, 568 .rate_max = 48000, 569 .channels_min = NUM_EFX_PLAYBACK, 570 .channels_max = NUM_EFX_PLAYBACK, 571 .buffer_bytes_max = (64*1024), 572 .period_bytes_min = 64, 573 .period_bytes_max = (64*1024), 574 .periods_min = 2, 575 .periods_max = 2, 576 .fifo_size = 0, 577 }; 578 579 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 580 struct snd_pcm_hw_params *hw_params) 581 { 582 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 583 } 584 585 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 586 { 587 return snd_pcm_lib_free_pages(substream); 588 } 589 590 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 591 { 592 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 593 struct snd_pcm_runtime *runtime = substream->runtime; 594 struct snd_emu10k1_pcm *epcm = runtime->private_data; 595 int idx; 596 597 /* zeroing the buffer size will stop capture */ 598 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 599 switch (epcm->type) { 600 case CAPTURE_AC97ADC: 601 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 602 break; 603 case CAPTURE_EFX: 604 if (emu->audigy) { 605 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 606 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 607 } else 608 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 609 break; 610 default: 611 break; 612 } 613 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 614 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 615 epcm->capture_bs_val = 0; 616 for (idx = 0; idx < 31; idx++) { 617 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 618 epcm->capture_bs_val = idx + 1; 619 break; 620 } 621 } 622 if (epcm->capture_bs_val == 0) { 623 snd_BUG(); 624 epcm->capture_bs_val++; 625 } 626 if (epcm->type == CAPTURE_AC97ADC) { 627 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 628 if (runtime->channels > 1) 629 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 630 epcm->capture_cr_val |= emu->audigy ? 631 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 632 snd_emu10k1_capture_rate_reg(runtime->rate); 633 } 634 return 0; 635 } 636 637 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 638 { 639 struct snd_pcm_runtime *runtime; 640 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 641 642 if (evoice == NULL) 643 return; 644 runtime = evoice->epcm->substream->runtime; 645 voice = evoice->number; 646 stereo = (!extra && runtime->channels == 2); 647 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 648 ccis = emu10k1_ccis(stereo, sample == 0); 649 /* set cs to 2 * number of cache registers beside the invalidated */ 650 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 651 if (cs > 16) cs = 16; 652 for (i = 0; i < cs; i++) { 653 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 654 if (stereo) { 655 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 656 } 657 } 658 /* reset cache */ 659 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 660 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 661 if (stereo) { 662 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 663 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 664 } 665 /* fill cache */ 666 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 667 if (stereo) { 668 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 669 } 670 } 671 672 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 673 int master, int extra, 674 struct snd_emu10k1_pcm_mixer *mix) 675 { 676 struct snd_pcm_substream *substream; 677 struct snd_pcm_runtime *runtime; 678 unsigned int attn, vattn; 679 unsigned int voice, tmp; 680 681 if (evoice == NULL) /* skip second voice for mono */ 682 return; 683 substream = evoice->epcm->substream; 684 runtime = substream->runtime; 685 voice = evoice->number; 686 687 attn = extra ? 0 : 0x00ff; 688 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 689 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 690 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 691 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 692 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 693 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 694 snd_emu10k1_voice_clear_loop_stop(emu, voice); 695 } 696 697 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 698 { 699 struct snd_pcm_substream *substream; 700 struct snd_pcm_runtime *runtime; 701 unsigned int voice, pitch, pitch_target; 702 703 if (evoice == NULL) /* skip second voice for mono */ 704 return; 705 substream = evoice->epcm->substream; 706 runtime = substream->runtime; 707 voice = evoice->number; 708 709 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 710 if (emu->card_capabilities->emu_model) 711 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 712 else 713 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 714 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 715 if (master || evoice->epcm->type == PLAYBACK_EFX) 716 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 717 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 718 if (extra) 719 snd_emu10k1_voice_intr_enable(emu, voice); 720 } 721 722 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 723 { 724 unsigned int voice; 725 726 if (evoice == NULL) 727 return; 728 voice = evoice->number; 729 snd_emu10k1_voice_intr_disable(emu, voice); 730 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 731 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 732 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 733 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 734 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 735 snd_emu10k1_ptr_write(emu, IP, voice, 0); 736 } 737 738 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 739 struct snd_emu10k1_pcm *epcm, 740 struct snd_pcm_substream *substream, 741 struct snd_pcm_runtime *runtime) 742 { 743 unsigned int ptr, period_pos; 744 745 /* try to sychronize the current position for the interrupt 746 source voice */ 747 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 748 period_pos %= runtime->period_size; 749 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 750 ptr &= ~0x00ffffff; 751 ptr |= epcm->ccca_start_addr + period_pos; 752 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 753 } 754 755 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 756 int cmd) 757 { 758 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 759 struct snd_pcm_runtime *runtime = substream->runtime; 760 struct snd_emu10k1_pcm *epcm = runtime->private_data; 761 struct snd_emu10k1_pcm_mixer *mix; 762 int result = 0; 763 764 /* 765 dev_dbg(emu->card->dev, 766 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 767 (int)emu, cmd, substream->ops->pointer(substream)) 768 */ 769 spin_lock(&emu->reg_lock); 770 switch (cmd) { 771 case SNDRV_PCM_TRIGGER_START: 772 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 773 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 774 /* follow thru */ 775 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 776 case SNDRV_PCM_TRIGGER_RESUME: 777 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 778 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 779 mix = &emu->pcm_mixer[substream->number]; 780 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 781 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 782 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 783 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 784 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 785 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 786 epcm->running = 1; 787 break; 788 case SNDRV_PCM_TRIGGER_STOP: 789 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 790 case SNDRV_PCM_TRIGGER_SUSPEND: 791 epcm->running = 0; 792 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 793 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 794 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 795 break; 796 default: 797 result = -EINVAL; 798 break; 799 } 800 spin_unlock(&emu->reg_lock); 801 return result; 802 } 803 804 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 805 int cmd) 806 { 807 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 808 struct snd_pcm_runtime *runtime = substream->runtime; 809 struct snd_emu10k1_pcm *epcm = runtime->private_data; 810 int result = 0; 811 812 spin_lock(&emu->reg_lock); 813 switch (cmd) { 814 case SNDRV_PCM_TRIGGER_START: 815 case SNDRV_PCM_TRIGGER_RESUME: 816 /* hmm this should cause full and half full interrupt to be raised? */ 817 outl(epcm->capture_ipr, emu->port + IPR); 818 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 819 /* 820 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", 821 epcm->adccr, epcm->adcbs); 822 */ 823 switch (epcm->type) { 824 case CAPTURE_AC97ADC: 825 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 826 break; 827 case CAPTURE_EFX: 828 if (emu->audigy) { 829 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 830 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 831 dev_dbg(emu->card->dev, 832 "cr_val=0x%x, cr_val2=0x%x\n", 833 epcm->capture_cr_val, 834 epcm->capture_cr_val2); 835 } else 836 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 837 break; 838 default: 839 break; 840 } 841 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 842 epcm->running = 1; 843 epcm->first_ptr = 1; 844 break; 845 case SNDRV_PCM_TRIGGER_STOP: 846 case SNDRV_PCM_TRIGGER_SUSPEND: 847 epcm->running = 0; 848 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 849 outl(epcm->capture_ipr, emu->port + IPR); 850 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 851 switch (epcm->type) { 852 case CAPTURE_AC97ADC: 853 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 854 break; 855 case CAPTURE_EFX: 856 if (emu->audigy) { 857 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 858 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 859 } else 860 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 861 break; 862 default: 863 break; 864 } 865 break; 866 default: 867 result = -EINVAL; 868 } 869 spin_unlock(&emu->reg_lock); 870 return result; 871 } 872 873 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 874 { 875 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 876 struct snd_pcm_runtime *runtime = substream->runtime; 877 struct snd_emu10k1_pcm *epcm = runtime->private_data; 878 unsigned int ptr; 879 880 if (!epcm->running) 881 return 0; 882 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 883 #if 0 /* Perex's code */ 884 ptr += runtime->buffer_size; 885 ptr -= epcm->ccca_start_addr; 886 ptr %= runtime->buffer_size; 887 #else /* EMU10K1 Open Source code from Creative */ 888 if (ptr < epcm->ccca_start_addr) 889 ptr += runtime->buffer_size - epcm->ccca_start_addr; 890 else { 891 ptr -= epcm->ccca_start_addr; 892 if (ptr >= runtime->buffer_size) 893 ptr -= runtime->buffer_size; 894 } 895 #endif 896 /* 897 dev_dbg(emu->card->dev, 898 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 899 (long)ptr, (long)runtime->buffer_size, 900 (long)runtime->period_size); 901 */ 902 return ptr; 903 } 904 905 906 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 907 int cmd) 908 { 909 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 910 struct snd_pcm_runtime *runtime = substream->runtime; 911 struct snd_emu10k1_pcm *epcm = runtime->private_data; 912 int i; 913 int result = 0; 914 915 spin_lock(&emu->reg_lock); 916 switch (cmd) { 917 case SNDRV_PCM_TRIGGER_START: 918 /* prepare voices */ 919 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 920 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 921 } 922 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 923 924 /* follow thru */ 925 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 926 case SNDRV_PCM_TRIGGER_RESUME: 927 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 928 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 929 &emu->efx_pcm_mixer[0]); 930 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 931 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 932 &emu->efx_pcm_mixer[i]); 933 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 934 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 935 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 936 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 937 epcm->running = 1; 938 break; 939 case SNDRV_PCM_TRIGGER_SUSPEND: 940 case SNDRV_PCM_TRIGGER_STOP: 941 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 942 epcm->running = 0; 943 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 944 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 945 } 946 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 947 break; 948 default: 949 result = -EINVAL; 950 break; 951 } 952 spin_unlock(&emu->reg_lock); 953 return result; 954 } 955 956 957 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 958 { 959 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 960 struct snd_pcm_runtime *runtime = substream->runtime; 961 struct snd_emu10k1_pcm *epcm = runtime->private_data; 962 unsigned int ptr; 963 964 if (!epcm->running) 965 return 0; 966 if (epcm->first_ptr) { 967 udelay(50); /* hack, it takes awhile until capture is started */ 968 epcm->first_ptr = 0; 969 } 970 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 971 return bytes_to_frames(runtime, ptr); 972 } 973 974 /* 975 * Playback support device description 976 */ 977 978 static const struct snd_pcm_hardware snd_emu10k1_playback = 979 { 980 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 981 SNDRV_PCM_INFO_BLOCK_TRANSFER | 982 SNDRV_PCM_INFO_RESUME | 983 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 984 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 985 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 986 .rate_min = 4000, 987 .rate_max = 96000, 988 .channels_min = 1, 989 .channels_max = 2, 990 .buffer_bytes_max = (128*1024), 991 .period_bytes_min = 64, 992 .period_bytes_max = (128*1024), 993 .periods_min = 1, 994 .periods_max = 1024, 995 .fifo_size = 0, 996 }; 997 998 /* 999 * Capture support device description 1000 */ 1001 1002 static const struct snd_pcm_hardware snd_emu10k1_capture = 1003 { 1004 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1005 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1006 SNDRV_PCM_INFO_RESUME | 1007 SNDRV_PCM_INFO_MMAP_VALID), 1008 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1009 .rates = SNDRV_PCM_RATE_8000_48000, 1010 .rate_min = 8000, 1011 .rate_max = 48000, 1012 .channels_min = 1, 1013 .channels_max = 2, 1014 .buffer_bytes_max = (64*1024), 1015 .period_bytes_min = 384, 1016 .period_bytes_max = (64*1024), 1017 .periods_min = 2, 1018 .periods_max = 2, 1019 .fifo_size = 0, 1020 }; 1021 1022 static const struct snd_pcm_hardware snd_emu10k1_capture_efx = 1023 { 1024 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1025 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1026 SNDRV_PCM_INFO_RESUME | 1027 SNDRV_PCM_INFO_MMAP_VALID), 1028 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1029 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1030 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1031 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1032 .rate_min = 44100, 1033 .rate_max = 192000, 1034 .channels_min = 8, 1035 .channels_max = 8, 1036 .buffer_bytes_max = (64*1024), 1037 .period_bytes_min = 384, 1038 .period_bytes_max = (64*1024), 1039 .periods_min = 2, 1040 .periods_max = 2, 1041 .fifo_size = 0, 1042 }; 1043 1044 /* 1045 * 1046 */ 1047 1048 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1049 { 1050 struct snd_ctl_elem_id id; 1051 1052 if (! kctl) 1053 return; 1054 if (activate) 1055 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1056 else 1057 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1058 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1059 SNDRV_CTL_EVENT_MASK_INFO, 1060 snd_ctl_build_ioff(&id, kctl, idx)); 1061 } 1062 1063 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1064 { 1065 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1066 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1067 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1068 } 1069 1070 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1071 { 1072 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1073 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1074 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1075 } 1076 1077 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1078 { 1079 kfree(runtime->private_data); 1080 } 1081 1082 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1083 { 1084 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1085 struct snd_emu10k1_pcm_mixer *mix; 1086 int i; 1087 1088 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1089 mix = &emu->efx_pcm_mixer[i]; 1090 mix->epcm = NULL; 1091 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1092 } 1093 return 0; 1094 } 1095 1096 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1097 { 1098 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1099 struct snd_emu10k1_pcm *epcm; 1100 struct snd_emu10k1_pcm_mixer *mix; 1101 struct snd_pcm_runtime *runtime = substream->runtime; 1102 int i; 1103 1104 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1105 if (epcm == NULL) 1106 return -ENOMEM; 1107 epcm->emu = emu; 1108 epcm->type = PLAYBACK_EFX; 1109 epcm->substream = substream; 1110 1111 emu->pcm_playback_efx_substream = substream; 1112 1113 runtime->private_data = epcm; 1114 runtime->private_free = snd_emu10k1_pcm_free_substream; 1115 runtime->hw = snd_emu10k1_efx_playback; 1116 1117 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1118 mix = &emu->efx_pcm_mixer[i]; 1119 mix->send_routing[0][0] = i; 1120 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1121 mix->send_volume[0][0] = 255; 1122 mix->attn[0] = 0xffff; 1123 mix->epcm = epcm; 1124 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1125 } 1126 return 0; 1127 } 1128 1129 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1130 { 1131 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1132 struct snd_emu10k1_pcm *epcm; 1133 struct snd_emu10k1_pcm_mixer *mix; 1134 struct snd_pcm_runtime *runtime = substream->runtime; 1135 int i, err, sample_rate; 1136 1137 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1138 if (epcm == NULL) 1139 return -ENOMEM; 1140 epcm->emu = emu; 1141 epcm->type = PLAYBACK_EMUVOICE; 1142 epcm->substream = substream; 1143 runtime->private_data = epcm; 1144 runtime->private_free = snd_emu10k1_pcm_free_substream; 1145 runtime->hw = snd_emu10k1_playback; 1146 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1147 kfree(epcm); 1148 return err; 1149 } 1150 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1151 kfree(epcm); 1152 return err; 1153 } 1154 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1155 sample_rate = 44100; 1156 else 1157 sample_rate = 48000; 1158 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1159 if (err < 0) { 1160 kfree(epcm); 1161 return err; 1162 } 1163 mix = &emu->pcm_mixer[substream->number]; 1164 for (i = 0; i < 4; i++) 1165 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1166 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1167 mix->send_volume[0][0] = mix->send_volume[0][1] = 1168 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1169 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1170 mix->epcm = epcm; 1171 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1172 return 0; 1173 } 1174 1175 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1176 { 1177 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1178 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1179 1180 mix->epcm = NULL; 1181 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1182 return 0; 1183 } 1184 1185 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1186 { 1187 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1188 struct snd_pcm_runtime *runtime = substream->runtime; 1189 struct snd_emu10k1_pcm *epcm; 1190 1191 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1192 if (epcm == NULL) 1193 return -ENOMEM; 1194 epcm->emu = emu; 1195 epcm->type = CAPTURE_AC97ADC; 1196 epcm->substream = substream; 1197 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1198 epcm->capture_inte = INTE_ADCBUFENABLE; 1199 epcm->capture_ba_reg = ADCBA; 1200 epcm->capture_bs_reg = ADCBS; 1201 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1202 runtime->private_data = epcm; 1203 runtime->private_free = snd_emu10k1_pcm_free_substream; 1204 runtime->hw = snd_emu10k1_capture; 1205 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1206 emu->pcm_capture_substream = substream; 1207 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1208 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1209 return 0; 1210 } 1211 1212 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1213 { 1214 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1215 1216 emu->capture_interrupt = NULL; 1217 emu->pcm_capture_substream = NULL; 1218 return 0; 1219 } 1220 1221 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1222 { 1223 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1224 struct snd_emu10k1_pcm *epcm; 1225 struct snd_pcm_runtime *runtime = substream->runtime; 1226 1227 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1228 if (epcm == NULL) 1229 return -ENOMEM; 1230 epcm->emu = emu; 1231 epcm->type = CAPTURE_AC97MIC; 1232 epcm->substream = substream; 1233 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1234 epcm->capture_inte = INTE_MICBUFENABLE; 1235 epcm->capture_ba_reg = MICBA; 1236 epcm->capture_bs_reg = MICBS; 1237 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1238 substream->runtime->private_data = epcm; 1239 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1240 runtime->hw = snd_emu10k1_capture; 1241 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1242 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1243 runtime->hw.channels_min = 1; 1244 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1245 emu->pcm_capture_mic_substream = substream; 1246 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1247 return 0; 1248 } 1249 1250 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1251 { 1252 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1253 1254 emu->capture_interrupt = NULL; 1255 emu->pcm_capture_mic_substream = NULL; 1256 return 0; 1257 } 1258 1259 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1260 { 1261 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1262 struct snd_emu10k1_pcm *epcm; 1263 struct snd_pcm_runtime *runtime = substream->runtime; 1264 int nefx = emu->audigy ? 64 : 32; 1265 int idx; 1266 1267 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1268 if (epcm == NULL) 1269 return -ENOMEM; 1270 epcm->emu = emu; 1271 epcm->type = CAPTURE_EFX; 1272 epcm->substream = substream; 1273 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1274 epcm->capture_inte = INTE_EFXBUFENABLE; 1275 epcm->capture_ba_reg = FXBA; 1276 epcm->capture_bs_reg = FXBS; 1277 epcm->capture_idx_reg = FXIDX; 1278 substream->runtime->private_data = epcm; 1279 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1280 runtime->hw = snd_emu10k1_capture_efx; 1281 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1282 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1283 spin_lock_irq(&emu->reg_lock); 1284 if (emu->card_capabilities->emu_model) { 1285 /* Nb. of channels has been increased to 16 */ 1286 /* TODO 1287 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1288 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1289 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1290 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1291 * rate_min = 44100, 1292 * rate_max = 192000, 1293 * channels_min = 16, 1294 * channels_max = 16, 1295 * Need to add mixer control to fix sample rate 1296 * 1297 * There are 32 mono channels of 16bits each. 1298 * 24bit Audio uses 2x channels over 16bit 1299 * 96kHz uses 2x channels over 48kHz 1300 * 192kHz uses 4x channels over 48kHz 1301 * So, for 48kHz 24bit, one has 16 channels 1302 * for 96kHz 24bit, one has 8 channels 1303 * for 192kHz 24bit, one has 4 channels 1304 * 1305 */ 1306 #if 1 1307 switch (emu->emu1010.internal_clock) { 1308 case 0: 1309 /* For 44.1kHz */ 1310 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1311 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1312 runtime->hw.channels_min = 1313 runtime->hw.channels_max = 16; 1314 break; 1315 case 1: 1316 /* For 48kHz */ 1317 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1318 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1319 runtime->hw.channels_min = 1320 runtime->hw.channels_max = 16; 1321 break; 1322 } 1323 #endif 1324 #if 0 1325 /* For 96kHz */ 1326 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1327 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1328 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1329 #endif 1330 #if 0 1331 /* For 192kHz */ 1332 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1333 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1334 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1335 #endif 1336 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1337 /* efx_voices_mask[0] is expected to be zero 1338 * efx_voices_mask[1] is expected to have 32bits set 1339 */ 1340 } else { 1341 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1342 for (idx = 0; idx < nefx; idx++) { 1343 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1344 runtime->hw.channels_min++; 1345 runtime->hw.channels_max++; 1346 } 1347 } 1348 } 1349 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1350 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1351 spin_unlock_irq(&emu->reg_lock); 1352 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1353 emu->pcm_capture_efx_substream = substream; 1354 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1355 return 0; 1356 } 1357 1358 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1359 { 1360 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1361 1362 emu->capture_interrupt = NULL; 1363 emu->pcm_capture_efx_substream = NULL; 1364 return 0; 1365 } 1366 1367 static const struct snd_pcm_ops snd_emu10k1_playback_ops = { 1368 .open = snd_emu10k1_playback_open, 1369 .close = snd_emu10k1_playback_close, 1370 .ioctl = snd_pcm_lib_ioctl, 1371 .hw_params = snd_emu10k1_playback_hw_params, 1372 .hw_free = snd_emu10k1_playback_hw_free, 1373 .prepare = snd_emu10k1_playback_prepare, 1374 .trigger = snd_emu10k1_playback_trigger, 1375 .pointer = snd_emu10k1_playback_pointer, 1376 .page = snd_pcm_sgbuf_ops_page, 1377 }; 1378 1379 static const struct snd_pcm_ops snd_emu10k1_capture_ops = { 1380 .open = snd_emu10k1_capture_open, 1381 .close = snd_emu10k1_capture_close, 1382 .ioctl = snd_pcm_lib_ioctl, 1383 .hw_params = snd_emu10k1_capture_hw_params, 1384 .hw_free = snd_emu10k1_capture_hw_free, 1385 .prepare = snd_emu10k1_capture_prepare, 1386 .trigger = snd_emu10k1_capture_trigger, 1387 .pointer = snd_emu10k1_capture_pointer, 1388 }; 1389 1390 /* EFX playback */ 1391 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1392 .open = snd_emu10k1_efx_playback_open, 1393 .close = snd_emu10k1_efx_playback_close, 1394 .ioctl = snd_pcm_lib_ioctl, 1395 .hw_params = snd_emu10k1_playback_hw_params, 1396 .hw_free = snd_emu10k1_efx_playback_hw_free, 1397 .prepare = snd_emu10k1_efx_playback_prepare, 1398 .trigger = snd_emu10k1_efx_playback_trigger, 1399 .pointer = snd_emu10k1_efx_playback_pointer, 1400 .page = snd_pcm_sgbuf_ops_page, 1401 }; 1402 1403 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) 1404 { 1405 struct snd_pcm *pcm; 1406 struct snd_pcm_substream *substream; 1407 int err; 1408 1409 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1410 return err; 1411 1412 pcm->private_data = emu; 1413 1414 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1415 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1416 1417 pcm->info_flags = 0; 1418 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1419 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1420 emu->pcm = pcm; 1421 1422 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1423 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1424 return err; 1425 1426 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1427 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1428 1429 return 0; 1430 } 1431 1432 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) 1433 { 1434 struct snd_pcm *pcm; 1435 struct snd_pcm_substream *substream; 1436 int err; 1437 1438 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1439 return err; 1440 1441 pcm->private_data = emu; 1442 1443 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1444 1445 pcm->info_flags = 0; 1446 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1447 strcpy(pcm->name, "Multichannel Playback"); 1448 emu->pcm_multi = pcm; 1449 1450 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1451 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1452 return err; 1453 1454 return 0; 1455 } 1456 1457 1458 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1459 .open = snd_emu10k1_capture_mic_open, 1460 .close = snd_emu10k1_capture_mic_close, 1461 .ioctl = snd_pcm_lib_ioctl, 1462 .hw_params = snd_emu10k1_capture_hw_params, 1463 .hw_free = snd_emu10k1_capture_hw_free, 1464 .prepare = snd_emu10k1_capture_prepare, 1465 .trigger = snd_emu10k1_capture_trigger, 1466 .pointer = snd_emu10k1_capture_pointer, 1467 }; 1468 1469 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) 1470 { 1471 struct snd_pcm *pcm; 1472 int err; 1473 1474 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1475 return err; 1476 1477 pcm->private_data = emu; 1478 1479 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1480 1481 pcm->info_flags = 0; 1482 strcpy(pcm->name, "Mic Capture"); 1483 emu->pcm_mic = pcm; 1484 1485 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1486 1487 return 0; 1488 } 1489 1490 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1491 { 1492 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1493 int nefx = emu->audigy ? 64 : 32; 1494 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1495 uinfo->count = nefx; 1496 uinfo->value.integer.min = 0; 1497 uinfo->value.integer.max = 1; 1498 return 0; 1499 } 1500 1501 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1502 { 1503 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1504 int nefx = emu->audigy ? 64 : 32; 1505 int idx; 1506 1507 spin_lock_irq(&emu->reg_lock); 1508 for (idx = 0; idx < nefx; idx++) 1509 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1510 spin_unlock_irq(&emu->reg_lock); 1511 return 0; 1512 } 1513 1514 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1515 { 1516 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1517 unsigned int nval[2], bits; 1518 int nefx = emu->audigy ? 64 : 32; 1519 int nefxb = emu->audigy ? 7 : 6; 1520 int change, idx; 1521 1522 nval[0] = nval[1] = 0; 1523 for (idx = 0, bits = 0; idx < nefx; idx++) 1524 if (ucontrol->value.integer.value[idx]) { 1525 nval[idx / 32] |= 1 << (idx % 32); 1526 bits++; 1527 } 1528 1529 for (idx = 0; idx < nefxb; idx++) 1530 if (1 << idx == bits) 1531 break; 1532 1533 if (idx >= nefxb) 1534 return -EINVAL; 1535 1536 spin_lock_irq(&emu->reg_lock); 1537 change = (nval[0] != emu->efx_voices_mask[0]) || 1538 (nval[1] != emu->efx_voices_mask[1]); 1539 emu->efx_voices_mask[0] = nval[0]; 1540 emu->efx_voices_mask[1] = nval[1]; 1541 spin_unlock_irq(&emu->reg_lock); 1542 return change; 1543 } 1544 1545 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1546 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1547 .name = "Captured FX8010 Outputs", 1548 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1549 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1550 .put = snd_emu10k1_pcm_efx_voices_mask_put 1551 }; 1552 1553 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1554 .open = snd_emu10k1_capture_efx_open, 1555 .close = snd_emu10k1_capture_efx_close, 1556 .ioctl = snd_pcm_lib_ioctl, 1557 .hw_params = snd_emu10k1_capture_hw_params, 1558 .hw_free = snd_emu10k1_capture_hw_free, 1559 .prepare = snd_emu10k1_capture_prepare, 1560 .trigger = snd_emu10k1_capture_trigger, 1561 .pointer = snd_emu10k1_capture_pointer, 1562 }; 1563 1564 1565 /* EFX playback */ 1566 1567 #define INITIAL_TRAM_SHIFT 14 1568 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1569 1570 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1571 { 1572 struct snd_pcm_substream *substream = private_data; 1573 snd_pcm_period_elapsed(substream); 1574 } 1575 1576 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1577 unsigned short *dst_right, 1578 unsigned short *src, 1579 unsigned int count, 1580 unsigned int tram_shift) 1581 { 1582 /* 1583 dev_dbg(emu->card->dev, 1584 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1585 "src = 0x%p, count = 0x%x\n", 1586 dst_left, dst_right, src, count); 1587 */ 1588 if ((tram_shift & 1) == 0) { 1589 while (count--) { 1590 *dst_left-- = *src++; 1591 *dst_right-- = *src++; 1592 } 1593 } else { 1594 while (count--) { 1595 *dst_right-- = *src++; 1596 *dst_left-- = *src++; 1597 } 1598 } 1599 } 1600 1601 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1602 struct snd_pcm_indirect *rec, size_t bytes) 1603 { 1604 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1605 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1606 unsigned int tram_size = pcm->buffer_size; 1607 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1608 unsigned int frames = bytes >> 2, count; 1609 unsigned int tram_pos = pcm->tram_pos; 1610 unsigned int tram_shift = pcm->tram_shift; 1611 1612 while (frames > tram_pos) { 1613 count = tram_pos + 1; 1614 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1615 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1616 src, count, tram_shift); 1617 src += count * 2; 1618 frames -= count; 1619 tram_pos = (tram_size / 2) - 1; 1620 tram_shift++; 1621 } 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, frames, tram_shift); 1625 tram_pos -= frames; 1626 pcm->tram_pos = tram_pos; 1627 pcm->tram_shift = tram_shift; 1628 } 1629 1630 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1631 { 1632 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1633 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1634 1635 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, 1636 fx8010_pb_trans_copy); 1637 } 1638 1639 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1640 struct snd_pcm_hw_params *hw_params) 1641 { 1642 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1643 } 1644 1645 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1646 { 1647 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1648 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1649 unsigned int i; 1650 1651 for (i = 0; i < pcm->channels; i++) 1652 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1653 snd_pcm_lib_free_pages(substream); 1654 return 0; 1655 } 1656 1657 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1658 { 1659 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1660 struct snd_pcm_runtime *runtime = substream->runtime; 1661 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1662 unsigned int i; 1663 1664 /* 1665 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1666 "buffer_size = 0x%x (0x%x)\n", 1667 emu->fx8010.etram_pages, runtime->dma_area, 1668 runtime->buffer_size, runtime->buffer_size << 2); 1669 */ 1670 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1671 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1672 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1673 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1674 pcm->tram_shift = 0; 1675 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1676 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1677 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1678 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1679 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1680 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1681 for (i = 0; i < pcm->channels; i++) 1682 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1683 return 0; 1684 } 1685 1686 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1687 { 1688 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1689 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1690 int result = 0; 1691 1692 spin_lock(&emu->reg_lock); 1693 switch (cmd) { 1694 case SNDRV_PCM_TRIGGER_START: 1695 /* follow thru */ 1696 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1697 case SNDRV_PCM_TRIGGER_RESUME: 1698 #ifdef EMU10K1_SET_AC3_IEC958 1699 { 1700 int i; 1701 for (i = 0; i < 3; i++) { 1702 unsigned int bits; 1703 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1704 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1705 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1706 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1707 } 1708 } 1709 #endif 1710 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1711 if (result < 0) 1712 goto __err; 1713 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1714 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1715 break; 1716 case SNDRV_PCM_TRIGGER_STOP: 1717 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1718 case SNDRV_PCM_TRIGGER_SUSPEND: 1719 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1720 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1721 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1722 pcm->tram_shift = 0; 1723 break; 1724 default: 1725 result = -EINVAL; 1726 break; 1727 } 1728 __err: 1729 spin_unlock(&emu->reg_lock); 1730 return result; 1731 } 1732 1733 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1734 { 1735 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1736 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1737 size_t ptr; /* byte pointer */ 1738 1739 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1740 return 0; 1741 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1742 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1743 } 1744 1745 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1746 { 1747 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1748 SNDRV_PCM_INFO_RESUME | 1749 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1750 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1751 .rates = SNDRV_PCM_RATE_48000, 1752 .rate_min = 48000, 1753 .rate_max = 48000, 1754 .channels_min = 1, 1755 .channels_max = 1, 1756 .buffer_bytes_max = (128*1024), 1757 .period_bytes_min = 1024, 1758 .period_bytes_max = (128*1024), 1759 .periods_min = 2, 1760 .periods_max = 1024, 1761 .fifo_size = 0, 1762 }; 1763 1764 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1765 { 1766 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1767 struct snd_pcm_runtime *runtime = substream->runtime; 1768 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1769 1770 runtime->hw = snd_emu10k1_fx8010_playback; 1771 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1772 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1773 spin_lock_irq(&emu->reg_lock); 1774 if (pcm->valid == 0) { 1775 spin_unlock_irq(&emu->reg_lock); 1776 return -ENODEV; 1777 } 1778 pcm->opened = 1; 1779 spin_unlock_irq(&emu->reg_lock); 1780 return 0; 1781 } 1782 1783 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1784 { 1785 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1786 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1787 1788 spin_lock_irq(&emu->reg_lock); 1789 pcm->opened = 0; 1790 spin_unlock_irq(&emu->reg_lock); 1791 return 0; 1792 } 1793 1794 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1795 .open = snd_emu10k1_fx8010_playback_open, 1796 .close = snd_emu10k1_fx8010_playback_close, 1797 .ioctl = snd_pcm_lib_ioctl, 1798 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1799 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1800 .prepare = snd_emu10k1_fx8010_playback_prepare, 1801 .trigger = snd_emu10k1_fx8010_playback_trigger, 1802 .pointer = snd_emu10k1_fx8010_playback_pointer, 1803 .ack = snd_emu10k1_fx8010_playback_transfer, 1804 }; 1805 1806 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) 1807 { 1808 struct snd_pcm *pcm; 1809 struct snd_kcontrol *kctl; 1810 int err; 1811 1812 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1813 return err; 1814 1815 pcm->private_data = emu; 1816 1817 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1818 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1819 1820 pcm->info_flags = 0; 1821 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1822 emu->pcm_efx = pcm; 1823 1824 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1825 * to these 1826 */ 1827 1828 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1829 if (emu->audigy) { 1830 emu->efx_voices_mask[0] = 0; 1831 if (emu->card_capabilities->emu_model) 1832 /* Pavel Hofman - 32 voices will be used for 1833 * capture (write mode) - 1834 * each bit = corresponding voice 1835 */ 1836 emu->efx_voices_mask[1] = 0xffffffff; 1837 else 1838 emu->efx_voices_mask[1] = 0xffff; 1839 } else { 1840 emu->efx_voices_mask[0] = 0xffff0000; 1841 emu->efx_voices_mask[1] = 0; 1842 } 1843 /* For emu1010, the control has to set 32 upper bits (voices) 1844 * out of the 64 bits (voices) to true for the 16-channels capture 1845 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1846 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1847 * control can override this register's value. 1848 */ 1849 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1850 if (!kctl) 1851 return -ENOMEM; 1852 kctl->id.device = device; 1853 snd_ctl_add(emu->card, kctl); 1854 1855 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1856 1857 return 0; 1858 } 1859