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; 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 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1150 if (err < 0) { 1151 kfree(epcm); 1152 return err; 1153 } 1154 mix = &emu->pcm_mixer[substream->number]; 1155 for (i = 0; i < 4; i++) 1156 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1157 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1158 mix->send_volume[0][0] = mix->send_volume[0][1] = 1159 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1160 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1161 mix->epcm = epcm; 1162 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1163 return 0; 1164 } 1165 1166 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1167 { 1168 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1169 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1170 1171 mix->epcm = NULL; 1172 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1173 return 0; 1174 } 1175 1176 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1177 { 1178 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1179 struct snd_pcm_runtime *runtime = substream->runtime; 1180 struct snd_emu10k1_pcm *epcm; 1181 1182 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1183 if (epcm == NULL) 1184 return -ENOMEM; 1185 epcm->emu = emu; 1186 epcm->type = CAPTURE_AC97ADC; 1187 epcm->substream = substream; 1188 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1189 epcm->capture_inte = INTE_ADCBUFENABLE; 1190 epcm->capture_ba_reg = ADCBA; 1191 epcm->capture_bs_reg = ADCBS; 1192 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1193 runtime->private_data = epcm; 1194 runtime->private_free = snd_emu10k1_pcm_free_substream; 1195 runtime->hw = snd_emu10k1_capture; 1196 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1197 emu->pcm_capture_substream = substream; 1198 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1199 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1200 return 0; 1201 } 1202 1203 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1204 { 1205 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1206 1207 emu->capture_interrupt = NULL; 1208 emu->pcm_capture_substream = NULL; 1209 return 0; 1210 } 1211 1212 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1213 { 1214 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1215 struct snd_emu10k1_pcm *epcm; 1216 struct snd_pcm_runtime *runtime = substream->runtime; 1217 1218 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1219 if (epcm == NULL) 1220 return -ENOMEM; 1221 epcm->emu = emu; 1222 epcm->type = CAPTURE_AC97MIC; 1223 epcm->substream = substream; 1224 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1225 epcm->capture_inte = INTE_MICBUFENABLE; 1226 epcm->capture_ba_reg = MICBA; 1227 epcm->capture_bs_reg = MICBS; 1228 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1229 substream->runtime->private_data = epcm; 1230 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1231 runtime->hw = snd_emu10k1_capture; 1232 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1233 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1234 runtime->hw.channels_min = 1; 1235 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1236 emu->pcm_capture_mic_substream = substream; 1237 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1238 return 0; 1239 } 1240 1241 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1242 { 1243 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1244 1245 emu->capture_interrupt = NULL; 1246 emu->pcm_capture_mic_substream = NULL; 1247 return 0; 1248 } 1249 1250 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1251 { 1252 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1253 struct snd_emu10k1_pcm *epcm; 1254 struct snd_pcm_runtime *runtime = substream->runtime; 1255 int nefx = emu->audigy ? 64 : 32; 1256 int idx; 1257 1258 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1259 if (epcm == NULL) 1260 return -ENOMEM; 1261 epcm->emu = emu; 1262 epcm->type = CAPTURE_EFX; 1263 epcm->substream = substream; 1264 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1265 epcm->capture_inte = INTE_EFXBUFENABLE; 1266 epcm->capture_ba_reg = FXBA; 1267 epcm->capture_bs_reg = FXBS; 1268 epcm->capture_idx_reg = FXIDX; 1269 substream->runtime->private_data = epcm; 1270 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1271 runtime->hw = snd_emu10k1_capture_efx; 1272 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1273 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1274 spin_lock_irq(&emu->reg_lock); 1275 if (emu->card_capabilities->emu_model) { 1276 /* Nb. of channels has been increased to 16 */ 1277 /* TODO 1278 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1279 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1280 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1281 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1282 * rate_min = 44100, 1283 * rate_max = 192000, 1284 * channels_min = 16, 1285 * channels_max = 16, 1286 * Need to add mixer control to fix sample rate 1287 * 1288 * There are 32 mono channels of 16bits each. 1289 * 24bit Audio uses 2x channels over 16bit 1290 * 96kHz uses 2x channels over 48kHz 1291 * 192kHz uses 4x channels over 48kHz 1292 * So, for 48kHz 24bit, one has 16 channels 1293 * for 96kHz 24bit, one has 8 channels 1294 * for 192kHz 24bit, one has 4 channels 1295 * 1296 */ 1297 #if 1 1298 switch (emu->emu1010.internal_clock) { 1299 case 0: 1300 /* For 44.1kHz */ 1301 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1302 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1303 runtime->hw.channels_min = 1304 runtime->hw.channels_max = 16; 1305 break; 1306 case 1: 1307 /* For 48kHz */ 1308 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1309 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1310 runtime->hw.channels_min = 1311 runtime->hw.channels_max = 16; 1312 break; 1313 } 1314 #endif 1315 #if 0 1316 /* For 96kHz */ 1317 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1318 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1319 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1320 #endif 1321 #if 0 1322 /* For 192kHz */ 1323 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1324 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1325 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1326 #endif 1327 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1328 /* efx_voices_mask[0] is expected to be zero 1329 * efx_voices_mask[1] is expected to have 32bits set 1330 */ 1331 } else { 1332 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1333 for (idx = 0; idx < nefx; idx++) { 1334 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1335 runtime->hw.channels_min++; 1336 runtime->hw.channels_max++; 1337 } 1338 } 1339 } 1340 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1341 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1342 spin_unlock_irq(&emu->reg_lock); 1343 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1344 emu->pcm_capture_efx_substream = substream; 1345 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1346 return 0; 1347 } 1348 1349 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1350 { 1351 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1352 1353 emu->capture_interrupt = NULL; 1354 emu->pcm_capture_efx_substream = NULL; 1355 return 0; 1356 } 1357 1358 static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1359 .open = snd_emu10k1_playback_open, 1360 .close = snd_emu10k1_playback_close, 1361 .ioctl = snd_pcm_lib_ioctl, 1362 .hw_params = snd_emu10k1_playback_hw_params, 1363 .hw_free = snd_emu10k1_playback_hw_free, 1364 .prepare = snd_emu10k1_playback_prepare, 1365 .trigger = snd_emu10k1_playback_trigger, 1366 .pointer = snd_emu10k1_playback_pointer, 1367 .page = snd_pcm_sgbuf_ops_page, 1368 }; 1369 1370 static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1371 .open = snd_emu10k1_capture_open, 1372 .close = snd_emu10k1_capture_close, 1373 .ioctl = snd_pcm_lib_ioctl, 1374 .hw_params = snd_emu10k1_capture_hw_params, 1375 .hw_free = snd_emu10k1_capture_hw_free, 1376 .prepare = snd_emu10k1_capture_prepare, 1377 .trigger = snd_emu10k1_capture_trigger, 1378 .pointer = snd_emu10k1_capture_pointer, 1379 }; 1380 1381 /* EFX playback */ 1382 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1383 .open = snd_emu10k1_efx_playback_open, 1384 .close = snd_emu10k1_efx_playback_close, 1385 .ioctl = snd_pcm_lib_ioctl, 1386 .hw_params = snd_emu10k1_playback_hw_params, 1387 .hw_free = snd_emu10k1_efx_playback_hw_free, 1388 .prepare = snd_emu10k1_efx_playback_prepare, 1389 .trigger = snd_emu10k1_efx_playback_trigger, 1390 .pointer = snd_emu10k1_efx_playback_pointer, 1391 .page = snd_pcm_sgbuf_ops_page, 1392 }; 1393 1394 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device, struct snd_pcm **rpcm) 1395 { 1396 struct snd_pcm *pcm; 1397 struct snd_pcm_substream *substream; 1398 int err; 1399 1400 if (rpcm) 1401 *rpcm = NULL; 1402 1403 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1404 return err; 1405 1406 pcm->private_data = emu; 1407 1408 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1409 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1410 1411 pcm->info_flags = 0; 1412 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1413 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1414 emu->pcm = pcm; 1415 1416 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1417 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1418 return err; 1419 1420 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1421 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1422 1423 if (rpcm) 1424 *rpcm = pcm; 1425 1426 return 0; 1427 } 1428 1429 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device, 1430 struct snd_pcm **rpcm) 1431 { 1432 struct snd_pcm *pcm; 1433 struct snd_pcm_substream *substream; 1434 int err; 1435 1436 if (rpcm) 1437 *rpcm = NULL; 1438 1439 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1440 return err; 1441 1442 pcm->private_data = emu; 1443 1444 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1445 1446 pcm->info_flags = 0; 1447 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1448 strcpy(pcm->name, "Multichannel Playback"); 1449 emu->pcm_multi = pcm; 1450 1451 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1452 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1453 return err; 1454 1455 if (rpcm) 1456 *rpcm = pcm; 1457 1458 return 0; 1459 } 1460 1461 1462 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1463 .open = snd_emu10k1_capture_mic_open, 1464 .close = snd_emu10k1_capture_mic_close, 1465 .ioctl = snd_pcm_lib_ioctl, 1466 .hw_params = snd_emu10k1_capture_hw_params, 1467 .hw_free = snd_emu10k1_capture_hw_free, 1468 .prepare = snd_emu10k1_capture_prepare, 1469 .trigger = snd_emu10k1_capture_trigger, 1470 .pointer = snd_emu10k1_capture_pointer, 1471 }; 1472 1473 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device, 1474 struct snd_pcm **rpcm) 1475 { 1476 struct snd_pcm *pcm; 1477 int err; 1478 1479 if (rpcm) 1480 *rpcm = NULL; 1481 1482 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1483 return err; 1484 1485 pcm->private_data = emu; 1486 1487 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1488 1489 pcm->info_flags = 0; 1490 strcpy(pcm->name, "Mic Capture"); 1491 emu->pcm_mic = pcm; 1492 1493 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1494 1495 if (rpcm) 1496 *rpcm = pcm; 1497 return 0; 1498 } 1499 1500 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1501 { 1502 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1503 int nefx = emu->audigy ? 64 : 32; 1504 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1505 uinfo->count = nefx; 1506 uinfo->value.integer.min = 0; 1507 uinfo->value.integer.max = 1; 1508 return 0; 1509 } 1510 1511 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1512 { 1513 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1514 int nefx = emu->audigy ? 64 : 32; 1515 int idx; 1516 1517 spin_lock_irq(&emu->reg_lock); 1518 for (idx = 0; idx < nefx; idx++) 1519 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1520 spin_unlock_irq(&emu->reg_lock); 1521 return 0; 1522 } 1523 1524 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1525 { 1526 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1527 unsigned int nval[2], bits; 1528 int nefx = emu->audigy ? 64 : 32; 1529 int nefxb = emu->audigy ? 7 : 6; 1530 int change, idx; 1531 1532 nval[0] = nval[1] = 0; 1533 for (idx = 0, bits = 0; idx < nefx; idx++) 1534 if (ucontrol->value.integer.value[idx]) { 1535 nval[idx / 32] |= 1 << (idx % 32); 1536 bits++; 1537 } 1538 1539 for (idx = 0; idx < nefxb; idx++) 1540 if (1 << idx == bits) 1541 break; 1542 1543 if (idx >= nefxb) 1544 return -EINVAL; 1545 1546 spin_lock_irq(&emu->reg_lock); 1547 change = (nval[0] != emu->efx_voices_mask[0]) || 1548 (nval[1] != emu->efx_voices_mask[1]); 1549 emu->efx_voices_mask[0] = nval[0]; 1550 emu->efx_voices_mask[1] = nval[1]; 1551 spin_unlock_irq(&emu->reg_lock); 1552 return change; 1553 } 1554 1555 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1556 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1557 .name = "Captured FX8010 Outputs", 1558 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1559 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1560 .put = snd_emu10k1_pcm_efx_voices_mask_put 1561 }; 1562 1563 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1564 .open = snd_emu10k1_capture_efx_open, 1565 .close = snd_emu10k1_capture_efx_close, 1566 .ioctl = snd_pcm_lib_ioctl, 1567 .hw_params = snd_emu10k1_capture_hw_params, 1568 .hw_free = snd_emu10k1_capture_hw_free, 1569 .prepare = snd_emu10k1_capture_prepare, 1570 .trigger = snd_emu10k1_capture_trigger, 1571 .pointer = snd_emu10k1_capture_pointer, 1572 }; 1573 1574 1575 /* EFX playback */ 1576 1577 #define INITIAL_TRAM_SHIFT 14 1578 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1579 1580 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1581 { 1582 struct snd_pcm_substream *substream = private_data; 1583 snd_pcm_period_elapsed(substream); 1584 } 1585 1586 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1587 unsigned short *dst_right, 1588 unsigned short *src, 1589 unsigned int count, 1590 unsigned int tram_shift) 1591 { 1592 /* 1593 printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1594 "src = 0x%p, count = 0x%x\n", 1595 dst_left, dst_right, src, count); 1596 */ 1597 if ((tram_shift & 1) == 0) { 1598 while (count--) { 1599 *dst_left-- = *src++; 1600 *dst_right-- = *src++; 1601 } 1602 } else { 1603 while (count--) { 1604 *dst_right-- = *src++; 1605 *dst_left-- = *src++; 1606 } 1607 } 1608 } 1609 1610 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1611 struct snd_pcm_indirect *rec, size_t bytes) 1612 { 1613 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1614 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1615 unsigned int tram_size = pcm->buffer_size; 1616 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1617 unsigned int frames = bytes >> 2, count; 1618 unsigned int tram_pos = pcm->tram_pos; 1619 unsigned int tram_shift = pcm->tram_shift; 1620 1621 while (frames > tram_pos) { 1622 count = tram_pos + 1; 1623 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1624 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1625 src, count, tram_shift); 1626 src += count * 2; 1627 frames -= count; 1628 tram_pos = (tram_size / 2) - 1; 1629 tram_shift++; 1630 } 1631 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1632 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1633 src, frames, tram_shift); 1634 tram_pos -= frames; 1635 pcm->tram_pos = tram_pos; 1636 pcm->tram_shift = tram_shift; 1637 } 1638 1639 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1640 { 1641 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1642 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1643 1644 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1645 return 0; 1646 } 1647 1648 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1649 struct snd_pcm_hw_params *hw_params) 1650 { 1651 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1652 } 1653 1654 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1655 { 1656 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1657 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1658 unsigned int i; 1659 1660 for (i = 0; i < pcm->channels; i++) 1661 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1662 snd_pcm_lib_free_pages(substream); 1663 return 0; 1664 } 1665 1666 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1667 { 1668 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1669 struct snd_pcm_runtime *runtime = substream->runtime; 1670 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1671 unsigned int i; 1672 1673 /* 1674 printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1675 "buffer_size = 0x%x (0x%x)\n", 1676 emu->fx8010.etram_pages, runtime->dma_area, 1677 runtime->buffer_size, runtime->buffer_size << 2); 1678 */ 1679 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1680 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1681 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1682 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1683 pcm->tram_shift = 0; 1684 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1685 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1686 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1687 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1688 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1689 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1690 for (i = 0; i < pcm->channels; i++) 1691 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1692 return 0; 1693 } 1694 1695 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1696 { 1697 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1698 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1699 int result = 0; 1700 1701 spin_lock(&emu->reg_lock); 1702 switch (cmd) { 1703 case SNDRV_PCM_TRIGGER_START: 1704 /* follow thru */ 1705 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1706 case SNDRV_PCM_TRIGGER_RESUME: 1707 #ifdef EMU10K1_SET_AC3_IEC958 1708 { 1709 int i; 1710 for (i = 0; i < 3; i++) { 1711 unsigned int bits; 1712 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1713 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1714 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1715 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1716 } 1717 } 1718 #endif 1719 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1720 if (result < 0) 1721 goto __err; 1722 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1723 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1724 break; 1725 case SNDRV_PCM_TRIGGER_STOP: 1726 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1727 case SNDRV_PCM_TRIGGER_SUSPEND: 1728 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1729 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1730 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1731 pcm->tram_shift = 0; 1732 break; 1733 default: 1734 result = -EINVAL; 1735 break; 1736 } 1737 __err: 1738 spin_unlock(&emu->reg_lock); 1739 return result; 1740 } 1741 1742 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1743 { 1744 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1745 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1746 size_t ptr; /* byte pointer */ 1747 1748 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1749 return 0; 1750 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1751 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1752 } 1753 1754 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1755 { 1756 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1757 SNDRV_PCM_INFO_RESUME | 1758 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1759 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1760 .rates = SNDRV_PCM_RATE_48000, 1761 .rate_min = 48000, 1762 .rate_max = 48000, 1763 .channels_min = 1, 1764 .channels_max = 1, 1765 .buffer_bytes_max = (128*1024), 1766 .period_bytes_min = 1024, 1767 .period_bytes_max = (128*1024), 1768 .periods_min = 2, 1769 .periods_max = 1024, 1770 .fifo_size = 0, 1771 }; 1772 1773 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1774 { 1775 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1776 struct snd_pcm_runtime *runtime = substream->runtime; 1777 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1778 1779 runtime->hw = snd_emu10k1_fx8010_playback; 1780 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1781 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1782 spin_lock_irq(&emu->reg_lock); 1783 if (pcm->valid == 0) { 1784 spin_unlock_irq(&emu->reg_lock); 1785 return -ENODEV; 1786 } 1787 pcm->opened = 1; 1788 spin_unlock_irq(&emu->reg_lock); 1789 return 0; 1790 } 1791 1792 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1793 { 1794 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1795 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1796 1797 spin_lock_irq(&emu->reg_lock); 1798 pcm->opened = 0; 1799 spin_unlock_irq(&emu->reg_lock); 1800 return 0; 1801 } 1802 1803 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1804 .open = snd_emu10k1_fx8010_playback_open, 1805 .close = snd_emu10k1_fx8010_playback_close, 1806 .ioctl = snd_pcm_lib_ioctl, 1807 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1808 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1809 .prepare = snd_emu10k1_fx8010_playback_prepare, 1810 .trigger = snd_emu10k1_fx8010_playback_trigger, 1811 .pointer = snd_emu10k1_fx8010_playback_pointer, 1812 .ack = snd_emu10k1_fx8010_playback_transfer, 1813 }; 1814 1815 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device, 1816 struct snd_pcm **rpcm) 1817 { 1818 struct snd_pcm *pcm; 1819 struct snd_kcontrol *kctl; 1820 int err; 1821 1822 if (rpcm) 1823 *rpcm = NULL; 1824 1825 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1826 return err; 1827 1828 pcm->private_data = emu; 1829 1830 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1831 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1832 1833 pcm->info_flags = 0; 1834 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1835 emu->pcm_efx = pcm; 1836 if (rpcm) 1837 *rpcm = pcm; 1838 1839 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1840 * to these 1841 */ 1842 1843 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1844 if (emu->audigy) { 1845 emu->efx_voices_mask[0] = 0; 1846 if (emu->card_capabilities->emu_model) 1847 /* Pavel Hofman - 32 voices will be used for 1848 * capture (write mode) - 1849 * each bit = corresponding voice 1850 */ 1851 emu->efx_voices_mask[1] = 0xffffffff; 1852 else 1853 emu->efx_voices_mask[1] = 0xffff; 1854 } else { 1855 emu->efx_voices_mask[0] = 0xffff0000; 1856 emu->efx_voices_mask[1] = 0; 1857 } 1858 /* For emu1010, the control has to set 32 upper bits (voices) 1859 * out of the 64 bits (voices) to true for the 16-channels capture 1860 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1861 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1862 * control can override this register's value. 1863 */ 1864 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1865 if (!kctl) 1866 return -ENOMEM; 1867 kctl->id.device = device; 1868 snd_ctl_add(emu->card, kctl); 1869 1870 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1871 1872 return 0; 1873 } 1874