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 printk(KERN_DEBUG "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 48 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 49 snd_pcm_lib_period_bytes(epcm->substream), 50 snd_pcm_lib_buffer_bytes(epcm->substream)); 51 #endif 52 snd_pcm_period_elapsed(epcm->substream); 53 } 54 55 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 56 unsigned int status) 57 { 58 #if 0 59 if (status & IPR_ADCBUFHALFFULL) { 60 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 61 return; 62 } 63 #endif 64 snd_pcm_period_elapsed(emu->pcm_capture_substream); 65 } 66 67 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 68 unsigned int status) 69 { 70 #if 0 71 if (status & IPR_MICBUFHALFFULL) { 72 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 73 return; 74 } 75 #endif 76 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 77 } 78 79 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 80 unsigned int status) 81 { 82 #if 0 83 if (status & IPR_EFXBUFHALFFULL) { 84 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 85 return; 86 } 87 #endif 88 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 89 } 90 91 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 92 { 93 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 94 struct snd_pcm_runtime *runtime = substream->runtime; 95 struct snd_emu10k1_pcm *epcm = runtime->private_data; 96 unsigned int ptr; 97 98 if (!epcm->running) 99 return 0; 100 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 101 ptr += runtime->buffer_size; 102 ptr -= epcm->ccca_start_addr; 103 ptr %= runtime->buffer_size; 104 105 return ptr; 106 } 107 108 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 109 { 110 int err, i; 111 112 if (epcm->voices[1] != NULL && voices < 2) { 113 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 114 epcm->voices[1] = NULL; 115 } 116 for (i = 0; i < voices; i++) { 117 if (epcm->voices[i] == NULL) 118 break; 119 } 120 if (i == voices) 121 return 0; /* already allocated */ 122 123 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 124 if (epcm->voices[i]) { 125 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 126 epcm->voices[i] = NULL; 127 } 128 } 129 err = snd_emu10k1_voice_alloc(epcm->emu, 130 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 131 voices, 132 &epcm->voices[0]); 133 134 if (err < 0) 135 return err; 136 epcm->voices[0]->epcm = epcm; 137 if (voices > 1) { 138 for (i = 1; i < voices; i++) { 139 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 140 epcm->voices[i]->epcm = epcm; 141 } 142 } 143 if (epcm->extra == NULL) { 144 err = snd_emu10k1_voice_alloc(epcm->emu, 145 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 146 1, 147 &epcm->extra); 148 if (err < 0) { 149 /* 150 printk(KERN_DEBUG "pcm_channel_alloc: " 151 "failed extra: voices=%d, frame=%d\n", 152 voices, frame); 153 */ 154 for (i = 0; i < voices; i++) { 155 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 156 epcm->voices[i] = NULL; 157 } 158 return err; 159 } 160 epcm->extra->epcm = epcm; 161 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 162 } 163 return 0; 164 } 165 166 static unsigned int capture_period_sizes[31] = { 167 384, 448, 512, 640, 168 384*2, 448*2, 512*2, 640*2, 169 384*4, 448*4, 512*4, 640*4, 170 384*8, 448*8, 512*8, 640*8, 171 384*16, 448*16, 512*16, 640*16, 172 384*32, 448*32, 512*32, 640*32, 173 384*64, 448*64, 512*64, 640*64, 174 384*128,448*128,512*128 175 }; 176 177 static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 178 .count = 31, 179 .list = capture_period_sizes, 180 .mask = 0 181 }; 182 183 static unsigned int capture_rates[8] = { 184 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 185 }; 186 187 static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 188 .count = 8, 189 .list = capture_rates, 190 .mask = 0 191 }; 192 193 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 194 { 195 switch (rate) { 196 case 8000: return ADCCR_SAMPLERATE_8; 197 case 11025: return ADCCR_SAMPLERATE_11; 198 case 16000: return ADCCR_SAMPLERATE_16; 199 case 22050: return ADCCR_SAMPLERATE_22; 200 case 24000: return ADCCR_SAMPLERATE_24; 201 case 32000: return ADCCR_SAMPLERATE_32; 202 case 44100: return ADCCR_SAMPLERATE_44; 203 case 48000: return ADCCR_SAMPLERATE_48; 204 default: 205 snd_BUG(); 206 return ADCCR_SAMPLERATE_8; 207 } 208 } 209 210 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 211 { 212 switch (rate) { 213 case 8000: return A_ADCCR_SAMPLERATE_8; 214 case 11025: return A_ADCCR_SAMPLERATE_11; 215 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 216 case 16000: return ADCCR_SAMPLERATE_16; 217 case 22050: return ADCCR_SAMPLERATE_22; 218 case 24000: return ADCCR_SAMPLERATE_24; 219 case 32000: return ADCCR_SAMPLERATE_32; 220 case 44100: return ADCCR_SAMPLERATE_44; 221 case 48000: return ADCCR_SAMPLERATE_48; 222 default: 223 snd_BUG(); 224 return A_ADCCR_SAMPLERATE_8; 225 } 226 } 227 228 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 229 { 230 unsigned int pitch_target; 231 232 pitch_target = (rate << 8) / 375; 233 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 234 return pitch_target; 235 } 236 237 #define PITCH_48000 0x00004000 238 #define PITCH_96000 0x00008000 239 #define PITCH_85000 0x00007155 240 #define PITCH_80726 0x00006ba2 241 #define PITCH_67882 0x00005a82 242 #define PITCH_57081 0x00004c1c 243 244 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 245 { 246 if (pitch_target == PITCH_48000) 247 return CCCA_INTERPROM_0; 248 else if (pitch_target < PITCH_48000) 249 return CCCA_INTERPROM_1; 250 else if (pitch_target >= PITCH_96000) 251 return CCCA_INTERPROM_0; 252 else if (pitch_target >= PITCH_85000) 253 return CCCA_INTERPROM_6; 254 else if (pitch_target >= PITCH_80726) 255 return CCCA_INTERPROM_5; 256 else if (pitch_target >= PITCH_67882) 257 return CCCA_INTERPROM_4; 258 else if (pitch_target >= PITCH_57081) 259 return CCCA_INTERPROM_3; 260 else 261 return CCCA_INTERPROM_2; 262 } 263 264 /* 265 * calculate cache invalidate size 266 * 267 * stereo: channel is stereo 268 * w_16: using 16bit samples 269 * 270 * returns: cache invalidate size in samples 271 */ 272 static inline int emu10k1_ccis(int stereo, int w_16) 273 { 274 if (w_16) { 275 return stereo ? 24 : 26; 276 } else { 277 return stereo ? 24*2 : 26*2; 278 } 279 } 280 281 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 282 int master, int extra, 283 struct snd_emu10k1_voice *evoice, 284 unsigned int start_addr, 285 unsigned int end_addr, 286 struct snd_emu10k1_pcm_mixer *mix) 287 { 288 struct snd_pcm_substream *substream = evoice->epcm->substream; 289 struct snd_pcm_runtime *runtime = substream->runtime; 290 unsigned int silent_page, tmp; 291 int voice, stereo, w_16; 292 unsigned char attn, send_amount[8]; 293 unsigned char send_routing[8]; 294 unsigned long flags; 295 unsigned int pitch_target; 296 unsigned int ccis; 297 298 voice = evoice->number; 299 stereo = runtime->channels == 2; 300 w_16 = snd_pcm_format_width(runtime->format) == 16; 301 302 if (!extra && stereo) { 303 start_addr >>= 1; 304 end_addr >>= 1; 305 } 306 if (w_16) { 307 start_addr >>= 1; 308 end_addr >>= 1; 309 } 310 311 spin_lock_irqsave(&emu->reg_lock, flags); 312 313 /* volume parameters */ 314 if (extra) { 315 attn = 0; 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 << 1) | MAP_PTI_MASK; 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 int err; 414 415 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 416 return err; 417 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 418 return err; 419 if (err > 0) { /* change */ 420 int mapped; 421 if (epcm->memblk != NULL) 422 snd_emu10k1_free_pages(emu, epcm->memblk); 423 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 424 epcm->start_addr = 0; 425 if (! epcm->memblk) 426 return -ENOMEM; 427 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 428 if (mapped < 0) 429 return -ENOMEM; 430 epcm->start_addr = mapped << PAGE_SHIFT; 431 } 432 return 0; 433 } 434 435 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 436 { 437 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 438 struct snd_pcm_runtime *runtime = substream->runtime; 439 struct snd_emu10k1_pcm *epcm; 440 441 if (runtime->private_data == NULL) 442 return 0; 443 epcm = runtime->private_data; 444 if (epcm->extra) { 445 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 446 epcm->extra = NULL; 447 } 448 if (epcm->voices[1]) { 449 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 450 epcm->voices[1] = NULL; 451 } 452 if (epcm->voices[0]) { 453 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 454 epcm->voices[0] = NULL; 455 } 456 if (epcm->memblk) { 457 snd_emu10k1_free_pages(emu, epcm->memblk); 458 epcm->memblk = NULL; 459 epcm->start_addr = 0; 460 } 461 snd_pcm_lib_free_pages(substream); 462 return 0; 463 } 464 465 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 466 { 467 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 468 struct snd_pcm_runtime *runtime = substream->runtime; 469 struct snd_emu10k1_pcm *epcm; 470 int i; 471 472 if (runtime->private_data == NULL) 473 return 0; 474 epcm = runtime->private_data; 475 if (epcm->extra) { 476 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 477 epcm->extra = NULL; 478 } 479 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 480 if (epcm->voices[i]) { 481 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 482 epcm->voices[i] = NULL; 483 } 484 } 485 if (epcm->memblk) { 486 snd_emu10k1_free_pages(emu, epcm->memblk); 487 epcm->memblk = NULL; 488 epcm->start_addr = 0; 489 } 490 snd_pcm_lib_free_pages(substream); 491 return 0; 492 } 493 494 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 495 { 496 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 497 struct snd_pcm_runtime *runtime = substream->runtime; 498 struct snd_emu10k1_pcm *epcm = runtime->private_data; 499 unsigned int start_addr, end_addr; 500 501 start_addr = epcm->start_addr; 502 end_addr = snd_pcm_lib_period_bytes(substream); 503 if (runtime->channels == 2) { 504 start_addr >>= 1; 505 end_addr >>= 1; 506 } 507 end_addr += start_addr; 508 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 509 start_addr, end_addr, NULL); 510 start_addr = epcm->start_addr; 511 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 512 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 513 start_addr, end_addr, 514 &emu->pcm_mixer[substream->number]); 515 if (epcm->voices[1]) 516 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 517 start_addr, end_addr, 518 &emu->pcm_mixer[substream->number]); 519 return 0; 520 } 521 522 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 523 { 524 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 525 struct snd_pcm_runtime *runtime = substream->runtime; 526 struct snd_emu10k1_pcm *epcm = runtime->private_data; 527 unsigned int start_addr, end_addr; 528 unsigned int channel_size; 529 int i; 530 531 start_addr = epcm->start_addr; 532 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 533 534 /* 535 * the kX driver leaves some space between voices 536 */ 537 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 538 539 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 540 start_addr, start_addr + (channel_size / 2), NULL); 541 542 /* only difference with the master voice is we use it for the pointer */ 543 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 544 start_addr, start_addr + channel_size, 545 &emu->efx_pcm_mixer[0]); 546 547 start_addr += channel_size; 548 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 549 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 550 start_addr, start_addr + channel_size, 551 &emu->efx_pcm_mixer[i]); 552 start_addr += channel_size; 553 } 554 555 return 0; 556 } 557 558 static struct snd_pcm_hardware snd_emu10k1_efx_playback = 559 { 560 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 561 SNDRV_PCM_INFO_BLOCK_TRANSFER | 562 SNDRV_PCM_INFO_RESUME | 563 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 564 .formats = SNDRV_PCM_FMTBIT_S16_LE, 565 .rates = SNDRV_PCM_RATE_48000, 566 .rate_min = 48000, 567 .rate_max = 48000, 568 .channels_min = NUM_EFX_PLAYBACK, 569 .channels_max = NUM_EFX_PLAYBACK, 570 .buffer_bytes_max = (64*1024), 571 .period_bytes_min = 64, 572 .period_bytes_max = (64*1024), 573 .periods_min = 2, 574 .periods_max = 2, 575 .fifo_size = 0, 576 }; 577 578 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 579 struct snd_pcm_hw_params *hw_params) 580 { 581 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 582 } 583 584 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 585 { 586 return snd_pcm_lib_free_pages(substream); 587 } 588 589 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 590 { 591 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 592 struct snd_pcm_runtime *runtime = substream->runtime; 593 struct snd_emu10k1_pcm *epcm = runtime->private_data; 594 int idx; 595 596 /* zeroing the buffer size will stop capture */ 597 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 598 switch (epcm->type) { 599 case CAPTURE_AC97ADC: 600 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 601 break; 602 case CAPTURE_EFX: 603 if (emu->audigy) { 604 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 605 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 606 } else 607 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 608 break; 609 default: 610 break; 611 } 612 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 613 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 614 epcm->capture_bs_val = 0; 615 for (idx = 0; idx < 31; idx++) { 616 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 617 epcm->capture_bs_val = idx + 1; 618 break; 619 } 620 } 621 if (epcm->capture_bs_val == 0) { 622 snd_BUG(); 623 epcm->capture_bs_val++; 624 } 625 if (epcm->type == CAPTURE_AC97ADC) { 626 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 627 if (runtime->channels > 1) 628 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 629 epcm->capture_cr_val |= emu->audigy ? 630 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 631 snd_emu10k1_capture_rate_reg(runtime->rate); 632 } 633 return 0; 634 } 635 636 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 637 { 638 struct snd_pcm_runtime *runtime; 639 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 640 641 if (evoice == NULL) 642 return; 643 runtime = evoice->epcm->substream->runtime; 644 voice = evoice->number; 645 stereo = (!extra && runtime->channels == 2); 646 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 647 ccis = emu10k1_ccis(stereo, sample == 0); 648 /* set cs to 2 * number of cache registers beside the invalidated */ 649 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 650 if (cs > 16) cs = 16; 651 for (i = 0; i < cs; i++) { 652 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 653 if (stereo) { 654 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 655 } 656 } 657 /* reset cache */ 658 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 659 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 660 if (stereo) { 661 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 662 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 663 } 664 /* fill cache */ 665 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 666 if (stereo) { 667 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 668 } 669 } 670 671 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 672 int master, int extra, 673 struct snd_emu10k1_pcm_mixer *mix) 674 { 675 struct snd_pcm_substream *substream; 676 struct snd_pcm_runtime *runtime; 677 unsigned int attn, vattn; 678 unsigned int voice, tmp; 679 680 if (evoice == NULL) /* skip second voice for mono */ 681 return; 682 substream = evoice->epcm->substream; 683 runtime = substream->runtime; 684 voice = evoice->number; 685 686 attn = extra ? 0 : 0x00ff; 687 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 688 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 689 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 690 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 691 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 692 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 693 snd_emu10k1_voice_clear_loop_stop(emu, voice); 694 } 695 696 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 697 { 698 struct snd_pcm_substream *substream; 699 struct snd_pcm_runtime *runtime; 700 unsigned int voice, pitch, pitch_target; 701 702 if (evoice == NULL) /* skip second voice for mono */ 703 return; 704 substream = evoice->epcm->substream; 705 runtime = substream->runtime; 706 voice = evoice->number; 707 708 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 709 if (emu->card_capabilities->emu_model) 710 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 711 else 712 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 713 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 714 if (master || evoice->epcm->type == PLAYBACK_EFX) 715 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 716 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 717 if (extra) 718 snd_emu10k1_voice_intr_enable(emu, voice); 719 } 720 721 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 722 { 723 unsigned int voice; 724 725 if (evoice == NULL) 726 return; 727 voice = evoice->number; 728 snd_emu10k1_voice_intr_disable(emu, voice); 729 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 730 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 731 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 732 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 733 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 734 snd_emu10k1_ptr_write(emu, IP, voice, 0); 735 } 736 737 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 738 struct snd_emu10k1_pcm *epcm, 739 struct snd_pcm_substream *substream, 740 struct snd_pcm_runtime *runtime) 741 { 742 unsigned int ptr, period_pos; 743 744 /* try to sychronize the current position for the interrupt 745 source voice */ 746 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 747 period_pos %= runtime->period_size; 748 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 749 ptr &= ~0x00ffffff; 750 ptr |= epcm->ccca_start_addr + period_pos; 751 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 752 } 753 754 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 755 int cmd) 756 { 757 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 758 struct snd_pcm_runtime *runtime = substream->runtime; 759 struct snd_emu10k1_pcm *epcm = runtime->private_data; 760 struct snd_emu10k1_pcm_mixer *mix; 761 int result = 0; 762 763 /* 764 printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 765 (int)emu, cmd, substream->ops->pointer(substream)) 766 */ 767 spin_lock(&emu->reg_lock); 768 switch (cmd) { 769 case SNDRV_PCM_TRIGGER_START: 770 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 771 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 772 /* follow thru */ 773 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 774 case SNDRV_PCM_TRIGGER_RESUME: 775 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 776 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 777 mix = &emu->pcm_mixer[substream->number]; 778 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 779 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 780 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 781 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 782 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 783 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 784 epcm->running = 1; 785 break; 786 case SNDRV_PCM_TRIGGER_STOP: 787 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 788 case SNDRV_PCM_TRIGGER_SUSPEND: 789 epcm->running = 0; 790 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 791 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 792 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 793 break; 794 default: 795 result = -EINVAL; 796 break; 797 } 798 spin_unlock(&emu->reg_lock); 799 return result; 800 } 801 802 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 803 int cmd) 804 { 805 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 806 struct snd_pcm_runtime *runtime = substream->runtime; 807 struct snd_emu10k1_pcm *epcm = runtime->private_data; 808 int result = 0; 809 810 spin_lock(&emu->reg_lock); 811 switch (cmd) { 812 case SNDRV_PCM_TRIGGER_START: 813 case SNDRV_PCM_TRIGGER_RESUME: 814 /* hmm this should cause full and half full interrupt to be raised? */ 815 outl(epcm->capture_ipr, emu->port + IPR); 816 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 817 /* 818 printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n", 819 epcm->adccr, epcm->adcbs); 820 */ 821 switch (epcm->type) { 822 case CAPTURE_AC97ADC: 823 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 824 break; 825 case CAPTURE_EFX: 826 if (emu->audigy) { 827 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 828 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 829 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); 830 } else 831 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 832 break; 833 default: 834 break; 835 } 836 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 837 epcm->running = 1; 838 epcm->first_ptr = 1; 839 break; 840 case SNDRV_PCM_TRIGGER_STOP: 841 case SNDRV_PCM_TRIGGER_SUSPEND: 842 epcm->running = 0; 843 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 844 outl(epcm->capture_ipr, emu->port + IPR); 845 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 846 switch (epcm->type) { 847 case CAPTURE_AC97ADC: 848 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 849 break; 850 case CAPTURE_EFX: 851 if (emu->audigy) { 852 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 853 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 854 } else 855 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 856 break; 857 default: 858 break; 859 } 860 break; 861 default: 862 result = -EINVAL; 863 } 864 spin_unlock(&emu->reg_lock); 865 return result; 866 } 867 868 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 869 { 870 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 871 struct snd_pcm_runtime *runtime = substream->runtime; 872 struct snd_emu10k1_pcm *epcm = runtime->private_data; 873 unsigned int ptr; 874 875 if (!epcm->running) 876 return 0; 877 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 878 #if 0 /* Perex's code */ 879 ptr += runtime->buffer_size; 880 ptr -= epcm->ccca_start_addr; 881 ptr %= runtime->buffer_size; 882 #else /* EMU10K1 Open Source code from Creative */ 883 if (ptr < epcm->ccca_start_addr) 884 ptr += runtime->buffer_size - epcm->ccca_start_addr; 885 else { 886 ptr -= epcm->ccca_start_addr; 887 if (ptr >= runtime->buffer_size) 888 ptr -= runtime->buffer_size; 889 } 890 #endif 891 /* 892 printk(KERN_DEBUG 893 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 894 (long)ptr, (long)runtime->buffer_size, 895 (long)runtime->period_size); 896 */ 897 return ptr; 898 } 899 900 901 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 902 int cmd) 903 { 904 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 905 struct snd_pcm_runtime *runtime = substream->runtime; 906 struct snd_emu10k1_pcm *epcm = runtime->private_data; 907 int i; 908 int result = 0; 909 910 spin_lock(&emu->reg_lock); 911 switch (cmd) { 912 case SNDRV_PCM_TRIGGER_START: 913 /* prepare voices */ 914 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 915 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 916 } 917 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 918 919 /* follow thru */ 920 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 921 case SNDRV_PCM_TRIGGER_RESUME: 922 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 923 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 924 &emu->efx_pcm_mixer[0]); 925 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 926 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 927 &emu->efx_pcm_mixer[i]); 928 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 929 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 930 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 931 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 932 epcm->running = 1; 933 break; 934 case SNDRV_PCM_TRIGGER_SUSPEND: 935 case SNDRV_PCM_TRIGGER_STOP: 936 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 937 epcm->running = 0; 938 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 939 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 940 } 941 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 942 break; 943 default: 944 result = -EINVAL; 945 break; 946 } 947 spin_unlock(&emu->reg_lock); 948 return result; 949 } 950 951 952 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 953 { 954 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 955 struct snd_pcm_runtime *runtime = substream->runtime; 956 struct snd_emu10k1_pcm *epcm = runtime->private_data; 957 unsigned int ptr; 958 959 if (!epcm->running) 960 return 0; 961 if (epcm->first_ptr) { 962 udelay(50); /* hack, it takes awhile until capture is started */ 963 epcm->first_ptr = 0; 964 } 965 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 966 return bytes_to_frames(runtime, ptr); 967 } 968 969 /* 970 * Playback support device description 971 */ 972 973 static struct snd_pcm_hardware snd_emu10k1_playback = 974 { 975 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 976 SNDRV_PCM_INFO_BLOCK_TRANSFER | 977 SNDRV_PCM_INFO_RESUME | 978 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 979 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 980 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 981 .rate_min = 4000, 982 .rate_max = 96000, 983 .channels_min = 1, 984 .channels_max = 2, 985 .buffer_bytes_max = (128*1024), 986 .period_bytes_min = 64, 987 .period_bytes_max = (128*1024), 988 .periods_min = 1, 989 .periods_max = 1024, 990 .fifo_size = 0, 991 }; 992 993 /* 994 * Capture support device description 995 */ 996 997 static struct snd_pcm_hardware snd_emu10k1_capture = 998 { 999 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1000 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1001 SNDRV_PCM_INFO_RESUME | 1002 SNDRV_PCM_INFO_MMAP_VALID), 1003 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1004 .rates = SNDRV_PCM_RATE_8000_48000, 1005 .rate_min = 8000, 1006 .rate_max = 48000, 1007 .channels_min = 1, 1008 .channels_max = 2, 1009 .buffer_bytes_max = (64*1024), 1010 .period_bytes_min = 384, 1011 .period_bytes_max = (64*1024), 1012 .periods_min = 2, 1013 .periods_max = 2, 1014 .fifo_size = 0, 1015 }; 1016 1017 static struct snd_pcm_hardware snd_emu10k1_capture_efx = 1018 { 1019 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1020 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1021 SNDRV_PCM_INFO_RESUME | 1022 SNDRV_PCM_INFO_MMAP_VALID), 1023 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1024 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1025 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1026 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1027 .rate_min = 44100, 1028 .rate_max = 192000, 1029 .channels_min = 8, 1030 .channels_max = 8, 1031 .buffer_bytes_max = (64*1024), 1032 .period_bytes_min = 384, 1033 .period_bytes_max = (64*1024), 1034 .periods_min = 2, 1035 .periods_max = 2, 1036 .fifo_size = 0, 1037 }; 1038 1039 /* 1040 * 1041 */ 1042 1043 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1044 { 1045 struct snd_ctl_elem_id id; 1046 1047 if (! kctl) 1048 return; 1049 if (activate) 1050 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1051 else 1052 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1053 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1054 SNDRV_CTL_EVENT_MASK_INFO, 1055 snd_ctl_build_ioff(&id, kctl, idx)); 1056 } 1057 1058 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1059 { 1060 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1061 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1062 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1063 } 1064 1065 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1066 { 1067 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1068 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1069 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1070 } 1071 1072 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1073 { 1074 kfree(runtime->private_data); 1075 } 1076 1077 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1078 { 1079 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1080 struct snd_emu10k1_pcm_mixer *mix; 1081 int i; 1082 1083 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1084 mix = &emu->efx_pcm_mixer[i]; 1085 mix->epcm = NULL; 1086 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1087 } 1088 return 0; 1089 } 1090 1091 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1092 { 1093 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1094 struct snd_emu10k1_pcm *epcm; 1095 struct snd_emu10k1_pcm_mixer *mix; 1096 struct snd_pcm_runtime *runtime = substream->runtime; 1097 int i; 1098 1099 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1100 if (epcm == NULL) 1101 return -ENOMEM; 1102 epcm->emu = emu; 1103 epcm->type = PLAYBACK_EFX; 1104 epcm->substream = substream; 1105 1106 emu->pcm_playback_efx_substream = substream; 1107 1108 runtime->private_data = epcm; 1109 runtime->private_free = snd_emu10k1_pcm_free_substream; 1110 runtime->hw = snd_emu10k1_efx_playback; 1111 1112 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1113 mix = &emu->efx_pcm_mixer[i]; 1114 mix->send_routing[0][0] = i; 1115 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1116 mix->send_volume[0][0] = 255; 1117 mix->attn[0] = 0xffff; 1118 mix->epcm = epcm; 1119 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1120 } 1121 return 0; 1122 } 1123 1124 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1125 { 1126 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1127 struct snd_emu10k1_pcm *epcm; 1128 struct snd_emu10k1_pcm_mixer *mix; 1129 struct snd_pcm_runtime *runtime = substream->runtime; 1130 int i, err, sample_rate; 1131 1132 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1133 if (epcm == NULL) 1134 return -ENOMEM; 1135 epcm->emu = emu; 1136 epcm->type = PLAYBACK_EMUVOICE; 1137 epcm->substream = substream; 1138 runtime->private_data = epcm; 1139 runtime->private_free = snd_emu10k1_pcm_free_substream; 1140 runtime->hw = snd_emu10k1_playback; 1141 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1142 kfree(epcm); 1143 return err; 1144 } 1145 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1146 kfree(epcm); 1147 return err; 1148 } 1149 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1150 sample_rate = 44100; 1151 else 1152 sample_rate = 48000; 1153 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1154 if (err < 0) { 1155 kfree(epcm); 1156 return err; 1157 } 1158 mix = &emu->pcm_mixer[substream->number]; 1159 for (i = 0; i < 4; i++) 1160 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1161 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1162 mix->send_volume[0][0] = mix->send_volume[0][1] = 1163 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1164 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1165 mix->epcm = epcm; 1166 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1167 return 0; 1168 } 1169 1170 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1171 { 1172 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1173 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1174 1175 mix->epcm = NULL; 1176 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1177 return 0; 1178 } 1179 1180 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1181 { 1182 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1183 struct snd_pcm_runtime *runtime = substream->runtime; 1184 struct snd_emu10k1_pcm *epcm; 1185 1186 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1187 if (epcm == NULL) 1188 return -ENOMEM; 1189 epcm->emu = emu; 1190 epcm->type = CAPTURE_AC97ADC; 1191 epcm->substream = substream; 1192 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1193 epcm->capture_inte = INTE_ADCBUFENABLE; 1194 epcm->capture_ba_reg = ADCBA; 1195 epcm->capture_bs_reg = ADCBS; 1196 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1197 runtime->private_data = epcm; 1198 runtime->private_free = snd_emu10k1_pcm_free_substream; 1199 runtime->hw = snd_emu10k1_capture; 1200 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1201 emu->pcm_capture_substream = substream; 1202 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1203 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1204 return 0; 1205 } 1206 1207 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1208 { 1209 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1210 1211 emu->capture_interrupt = NULL; 1212 emu->pcm_capture_substream = NULL; 1213 return 0; 1214 } 1215 1216 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1217 { 1218 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1219 struct snd_emu10k1_pcm *epcm; 1220 struct snd_pcm_runtime *runtime = substream->runtime; 1221 1222 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1223 if (epcm == NULL) 1224 return -ENOMEM; 1225 epcm->emu = emu; 1226 epcm->type = CAPTURE_AC97MIC; 1227 epcm->substream = substream; 1228 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1229 epcm->capture_inte = INTE_MICBUFENABLE; 1230 epcm->capture_ba_reg = MICBA; 1231 epcm->capture_bs_reg = MICBS; 1232 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1233 substream->runtime->private_data = epcm; 1234 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1235 runtime->hw = snd_emu10k1_capture; 1236 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1237 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1238 runtime->hw.channels_min = 1; 1239 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1240 emu->pcm_capture_mic_substream = substream; 1241 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1242 return 0; 1243 } 1244 1245 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1246 { 1247 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1248 1249 emu->capture_interrupt = NULL; 1250 emu->pcm_capture_mic_substream = NULL; 1251 return 0; 1252 } 1253 1254 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1255 { 1256 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1257 struct snd_emu10k1_pcm *epcm; 1258 struct snd_pcm_runtime *runtime = substream->runtime; 1259 int nefx = emu->audigy ? 64 : 32; 1260 int idx; 1261 1262 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1263 if (epcm == NULL) 1264 return -ENOMEM; 1265 epcm->emu = emu; 1266 epcm->type = CAPTURE_EFX; 1267 epcm->substream = substream; 1268 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1269 epcm->capture_inte = INTE_EFXBUFENABLE; 1270 epcm->capture_ba_reg = FXBA; 1271 epcm->capture_bs_reg = FXBS; 1272 epcm->capture_idx_reg = FXIDX; 1273 substream->runtime->private_data = epcm; 1274 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1275 runtime->hw = snd_emu10k1_capture_efx; 1276 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1277 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1278 spin_lock_irq(&emu->reg_lock); 1279 if (emu->card_capabilities->emu_model) { 1280 /* Nb. of channels has been increased to 16 */ 1281 /* TODO 1282 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1283 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1284 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1285 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1286 * rate_min = 44100, 1287 * rate_max = 192000, 1288 * channels_min = 16, 1289 * channels_max = 16, 1290 * Need to add mixer control to fix sample rate 1291 * 1292 * There are 32 mono channels of 16bits each. 1293 * 24bit Audio uses 2x channels over 16bit 1294 * 96kHz uses 2x channels over 48kHz 1295 * 192kHz uses 4x channels over 48kHz 1296 * So, for 48kHz 24bit, one has 16 channels 1297 * for 96kHz 24bit, one has 8 channels 1298 * for 192kHz 24bit, one has 4 channels 1299 * 1300 */ 1301 #if 1 1302 switch (emu->emu1010.internal_clock) { 1303 case 0: 1304 /* For 44.1kHz */ 1305 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1306 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1307 runtime->hw.channels_min = 1308 runtime->hw.channels_max = 16; 1309 break; 1310 case 1: 1311 /* For 48kHz */ 1312 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1313 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1314 runtime->hw.channels_min = 1315 runtime->hw.channels_max = 16; 1316 break; 1317 } 1318 #endif 1319 #if 0 1320 /* For 96kHz */ 1321 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1322 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1323 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1324 #endif 1325 #if 0 1326 /* For 192kHz */ 1327 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1328 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1329 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1330 #endif 1331 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1332 /* efx_voices_mask[0] is expected to be zero 1333 * efx_voices_mask[1] is expected to have 32bits set 1334 */ 1335 } else { 1336 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1337 for (idx = 0; idx < nefx; idx++) { 1338 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1339 runtime->hw.channels_min++; 1340 runtime->hw.channels_max++; 1341 } 1342 } 1343 } 1344 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1345 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1346 spin_unlock_irq(&emu->reg_lock); 1347 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1348 emu->pcm_capture_efx_substream = substream; 1349 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1350 return 0; 1351 } 1352 1353 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1354 { 1355 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1356 1357 emu->capture_interrupt = NULL; 1358 emu->pcm_capture_efx_substream = NULL; 1359 return 0; 1360 } 1361 1362 static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1363 .open = snd_emu10k1_playback_open, 1364 .close = snd_emu10k1_playback_close, 1365 .ioctl = snd_pcm_lib_ioctl, 1366 .hw_params = snd_emu10k1_playback_hw_params, 1367 .hw_free = snd_emu10k1_playback_hw_free, 1368 .prepare = snd_emu10k1_playback_prepare, 1369 .trigger = snd_emu10k1_playback_trigger, 1370 .pointer = snd_emu10k1_playback_pointer, 1371 .page = snd_pcm_sgbuf_ops_page, 1372 }; 1373 1374 static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1375 .open = snd_emu10k1_capture_open, 1376 .close = snd_emu10k1_capture_close, 1377 .ioctl = snd_pcm_lib_ioctl, 1378 .hw_params = snd_emu10k1_capture_hw_params, 1379 .hw_free = snd_emu10k1_capture_hw_free, 1380 .prepare = snd_emu10k1_capture_prepare, 1381 .trigger = snd_emu10k1_capture_trigger, 1382 .pointer = snd_emu10k1_capture_pointer, 1383 }; 1384 1385 /* EFX playback */ 1386 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1387 .open = snd_emu10k1_efx_playback_open, 1388 .close = snd_emu10k1_efx_playback_close, 1389 .ioctl = snd_pcm_lib_ioctl, 1390 .hw_params = snd_emu10k1_playback_hw_params, 1391 .hw_free = snd_emu10k1_efx_playback_hw_free, 1392 .prepare = snd_emu10k1_efx_playback_prepare, 1393 .trigger = snd_emu10k1_efx_playback_trigger, 1394 .pointer = snd_emu10k1_efx_playback_pointer, 1395 .page = snd_pcm_sgbuf_ops_page, 1396 }; 1397 1398 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device, struct snd_pcm **rpcm) 1399 { 1400 struct snd_pcm *pcm; 1401 struct snd_pcm_substream *substream; 1402 int err; 1403 1404 if (rpcm) 1405 *rpcm = NULL; 1406 1407 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1408 return err; 1409 1410 pcm->private_data = emu; 1411 1412 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1413 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1414 1415 pcm->info_flags = 0; 1416 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1417 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1418 emu->pcm = pcm; 1419 1420 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1421 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1422 return err; 1423 1424 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1425 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1426 1427 if (rpcm) 1428 *rpcm = pcm; 1429 1430 return 0; 1431 } 1432 1433 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device, 1434 struct snd_pcm **rpcm) 1435 { 1436 struct snd_pcm *pcm; 1437 struct snd_pcm_substream *substream; 1438 int err; 1439 1440 if (rpcm) 1441 *rpcm = NULL; 1442 1443 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1444 return err; 1445 1446 pcm->private_data = emu; 1447 1448 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1449 1450 pcm->info_flags = 0; 1451 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1452 strcpy(pcm->name, "Multichannel Playback"); 1453 emu->pcm_multi = pcm; 1454 1455 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1456 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1457 return err; 1458 1459 if (rpcm) 1460 *rpcm = pcm; 1461 1462 return 0; 1463 } 1464 1465 1466 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1467 .open = snd_emu10k1_capture_mic_open, 1468 .close = snd_emu10k1_capture_mic_close, 1469 .ioctl = snd_pcm_lib_ioctl, 1470 .hw_params = snd_emu10k1_capture_hw_params, 1471 .hw_free = snd_emu10k1_capture_hw_free, 1472 .prepare = snd_emu10k1_capture_prepare, 1473 .trigger = snd_emu10k1_capture_trigger, 1474 .pointer = snd_emu10k1_capture_pointer, 1475 }; 1476 1477 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device, 1478 struct snd_pcm **rpcm) 1479 { 1480 struct snd_pcm *pcm; 1481 int err; 1482 1483 if (rpcm) 1484 *rpcm = NULL; 1485 1486 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1487 return err; 1488 1489 pcm->private_data = emu; 1490 1491 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1492 1493 pcm->info_flags = 0; 1494 strcpy(pcm->name, "Mic Capture"); 1495 emu->pcm_mic = pcm; 1496 1497 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1498 1499 if (rpcm) 1500 *rpcm = pcm; 1501 return 0; 1502 } 1503 1504 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1505 { 1506 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1507 int nefx = emu->audigy ? 64 : 32; 1508 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1509 uinfo->count = nefx; 1510 uinfo->value.integer.min = 0; 1511 uinfo->value.integer.max = 1; 1512 return 0; 1513 } 1514 1515 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1516 { 1517 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1518 int nefx = emu->audigy ? 64 : 32; 1519 int idx; 1520 1521 spin_lock_irq(&emu->reg_lock); 1522 for (idx = 0; idx < nefx; idx++) 1523 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1524 spin_unlock_irq(&emu->reg_lock); 1525 return 0; 1526 } 1527 1528 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1529 { 1530 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1531 unsigned int nval[2], bits; 1532 int nefx = emu->audigy ? 64 : 32; 1533 int nefxb = emu->audigy ? 7 : 6; 1534 int change, idx; 1535 1536 nval[0] = nval[1] = 0; 1537 for (idx = 0, bits = 0; idx < nefx; idx++) 1538 if (ucontrol->value.integer.value[idx]) { 1539 nval[idx / 32] |= 1 << (idx % 32); 1540 bits++; 1541 } 1542 1543 for (idx = 0; idx < nefxb; idx++) 1544 if (1 << idx == bits) 1545 break; 1546 1547 if (idx >= nefxb) 1548 return -EINVAL; 1549 1550 spin_lock_irq(&emu->reg_lock); 1551 change = (nval[0] != emu->efx_voices_mask[0]) || 1552 (nval[1] != emu->efx_voices_mask[1]); 1553 emu->efx_voices_mask[0] = nval[0]; 1554 emu->efx_voices_mask[1] = nval[1]; 1555 spin_unlock_irq(&emu->reg_lock); 1556 return change; 1557 } 1558 1559 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1560 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1561 .name = "Captured FX8010 Outputs", 1562 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1563 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1564 .put = snd_emu10k1_pcm_efx_voices_mask_put 1565 }; 1566 1567 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1568 .open = snd_emu10k1_capture_efx_open, 1569 .close = snd_emu10k1_capture_efx_close, 1570 .ioctl = snd_pcm_lib_ioctl, 1571 .hw_params = snd_emu10k1_capture_hw_params, 1572 .hw_free = snd_emu10k1_capture_hw_free, 1573 .prepare = snd_emu10k1_capture_prepare, 1574 .trigger = snd_emu10k1_capture_trigger, 1575 .pointer = snd_emu10k1_capture_pointer, 1576 }; 1577 1578 1579 /* EFX playback */ 1580 1581 #define INITIAL_TRAM_SHIFT 14 1582 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1583 1584 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1585 { 1586 struct snd_pcm_substream *substream = private_data; 1587 snd_pcm_period_elapsed(substream); 1588 } 1589 1590 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1591 unsigned short *dst_right, 1592 unsigned short *src, 1593 unsigned int count, 1594 unsigned int tram_shift) 1595 { 1596 /* 1597 printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1598 "src = 0x%p, count = 0x%x\n", 1599 dst_left, dst_right, src, count); 1600 */ 1601 if ((tram_shift & 1) == 0) { 1602 while (count--) { 1603 *dst_left-- = *src++; 1604 *dst_right-- = *src++; 1605 } 1606 } else { 1607 while (count--) { 1608 *dst_right-- = *src++; 1609 *dst_left-- = *src++; 1610 } 1611 } 1612 } 1613 1614 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1615 struct snd_pcm_indirect *rec, size_t bytes) 1616 { 1617 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1618 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1619 unsigned int tram_size = pcm->buffer_size; 1620 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1621 unsigned int frames = bytes >> 2, count; 1622 unsigned int tram_pos = pcm->tram_pos; 1623 unsigned int tram_shift = pcm->tram_shift; 1624 1625 while (frames > tram_pos) { 1626 count = tram_pos + 1; 1627 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1628 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1629 src, count, tram_shift); 1630 src += count * 2; 1631 frames -= count; 1632 tram_pos = (tram_size / 2) - 1; 1633 tram_shift++; 1634 } 1635 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1636 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1637 src, frames, tram_shift); 1638 tram_pos -= frames; 1639 pcm->tram_pos = tram_pos; 1640 pcm->tram_shift = tram_shift; 1641 } 1642 1643 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1644 { 1645 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1646 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1647 1648 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1649 return 0; 1650 } 1651 1652 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1653 struct snd_pcm_hw_params *hw_params) 1654 { 1655 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1656 } 1657 1658 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1659 { 1660 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1661 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1662 unsigned int i; 1663 1664 for (i = 0; i < pcm->channels; i++) 1665 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1666 snd_pcm_lib_free_pages(substream); 1667 return 0; 1668 } 1669 1670 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1671 { 1672 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1673 struct snd_pcm_runtime *runtime = substream->runtime; 1674 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1675 unsigned int i; 1676 1677 /* 1678 printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1679 "buffer_size = 0x%x (0x%x)\n", 1680 emu->fx8010.etram_pages, runtime->dma_area, 1681 runtime->buffer_size, runtime->buffer_size << 2); 1682 */ 1683 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1684 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1685 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1686 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1687 pcm->tram_shift = 0; 1688 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1689 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1690 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1691 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1692 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1693 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1694 for (i = 0; i < pcm->channels; i++) 1695 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1696 return 0; 1697 } 1698 1699 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1700 { 1701 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1702 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1703 int result = 0; 1704 1705 spin_lock(&emu->reg_lock); 1706 switch (cmd) { 1707 case SNDRV_PCM_TRIGGER_START: 1708 /* follow thru */ 1709 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1710 case SNDRV_PCM_TRIGGER_RESUME: 1711 #ifdef EMU10K1_SET_AC3_IEC958 1712 { 1713 int i; 1714 for (i = 0; i < 3; i++) { 1715 unsigned int bits; 1716 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1717 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1718 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1719 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1720 } 1721 } 1722 #endif 1723 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1724 if (result < 0) 1725 goto __err; 1726 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1727 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1728 break; 1729 case SNDRV_PCM_TRIGGER_STOP: 1730 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1731 case SNDRV_PCM_TRIGGER_SUSPEND: 1732 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1733 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1734 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1735 pcm->tram_shift = 0; 1736 break; 1737 default: 1738 result = -EINVAL; 1739 break; 1740 } 1741 __err: 1742 spin_unlock(&emu->reg_lock); 1743 return result; 1744 } 1745 1746 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1747 { 1748 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1749 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1750 size_t ptr; /* byte pointer */ 1751 1752 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1753 return 0; 1754 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1755 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1756 } 1757 1758 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1759 { 1760 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1761 SNDRV_PCM_INFO_RESUME | 1762 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1763 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1764 .rates = SNDRV_PCM_RATE_48000, 1765 .rate_min = 48000, 1766 .rate_max = 48000, 1767 .channels_min = 1, 1768 .channels_max = 1, 1769 .buffer_bytes_max = (128*1024), 1770 .period_bytes_min = 1024, 1771 .period_bytes_max = (128*1024), 1772 .periods_min = 2, 1773 .periods_max = 1024, 1774 .fifo_size = 0, 1775 }; 1776 1777 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1778 { 1779 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1780 struct snd_pcm_runtime *runtime = substream->runtime; 1781 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1782 1783 runtime->hw = snd_emu10k1_fx8010_playback; 1784 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1785 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1786 spin_lock_irq(&emu->reg_lock); 1787 if (pcm->valid == 0) { 1788 spin_unlock_irq(&emu->reg_lock); 1789 return -ENODEV; 1790 } 1791 pcm->opened = 1; 1792 spin_unlock_irq(&emu->reg_lock); 1793 return 0; 1794 } 1795 1796 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1797 { 1798 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1799 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1800 1801 spin_lock_irq(&emu->reg_lock); 1802 pcm->opened = 0; 1803 spin_unlock_irq(&emu->reg_lock); 1804 return 0; 1805 } 1806 1807 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1808 .open = snd_emu10k1_fx8010_playback_open, 1809 .close = snd_emu10k1_fx8010_playback_close, 1810 .ioctl = snd_pcm_lib_ioctl, 1811 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1812 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1813 .prepare = snd_emu10k1_fx8010_playback_prepare, 1814 .trigger = snd_emu10k1_fx8010_playback_trigger, 1815 .pointer = snd_emu10k1_fx8010_playback_pointer, 1816 .ack = snd_emu10k1_fx8010_playback_transfer, 1817 }; 1818 1819 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device, 1820 struct snd_pcm **rpcm) 1821 { 1822 struct snd_pcm *pcm; 1823 struct snd_kcontrol *kctl; 1824 int err; 1825 1826 if (rpcm) 1827 *rpcm = NULL; 1828 1829 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1830 return err; 1831 1832 pcm->private_data = emu; 1833 1834 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1835 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1836 1837 pcm->info_flags = 0; 1838 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1839 emu->pcm_efx = pcm; 1840 if (rpcm) 1841 *rpcm = pcm; 1842 1843 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1844 * to these 1845 */ 1846 1847 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1848 if (emu->audigy) { 1849 emu->efx_voices_mask[0] = 0; 1850 if (emu->card_capabilities->emu_model) 1851 /* Pavel Hofman - 32 voices will be used for 1852 * capture (write mode) - 1853 * each bit = corresponding voice 1854 */ 1855 emu->efx_voices_mask[1] = 0xffffffff; 1856 else 1857 emu->efx_voices_mask[1] = 0xffff; 1858 } else { 1859 emu->efx_voices_mask[0] = 0xffff0000; 1860 emu->efx_voices_mask[1] = 0; 1861 } 1862 /* For emu1010, the control has to set 32 upper bits (voices) 1863 * out of the 64 bits (voices) to true for the 16-channels capture 1864 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1865 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1866 * control can override this register's value. 1867 */ 1868 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1869 if (!kctl) 1870 return -ENOMEM; 1871 kctl->id.device = device; 1872 snd_ctl_add(emu->card, kctl); 1873 1874 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1875 1876 return 0; 1877 } 1878