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; 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, start_addr | (send_amount[2] << 24)); 364 if (emu->card_capabilities->emu_model) 365 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 366 else 367 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 368 if (extra) 369 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 370 emu10k1_select_interprom(pitch_target) | 371 (w_16 ? 0 : CCCA_8BITSELECT)); 372 else 373 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 374 emu10k1_select_interprom(pitch_target) | 375 (w_16 ? 0 : CCCA_8BITSELECT)); 376 /* Clear filter delay memory */ 377 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 378 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 379 /* invalidate maps */ 380 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; 381 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 382 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 383 /* modulation envelope */ 384 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 385 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 386 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 387 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 388 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 389 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 390 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 391 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 392 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 393 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 394 /* volume envelope */ 395 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 396 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 397 /* filter envelope */ 398 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 399 /* pitch envelope */ 400 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 401 402 spin_unlock_irqrestore(&emu->reg_lock, flags); 403 } 404 405 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 406 struct snd_pcm_hw_params *hw_params) 407 { 408 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 409 struct snd_pcm_runtime *runtime = substream->runtime; 410 struct snd_emu10k1_pcm *epcm = runtime->private_data; 411 int err; 412 413 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 414 return err; 415 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 416 return err; 417 if (err > 0) { /* change */ 418 int mapped; 419 if (epcm->memblk != NULL) 420 snd_emu10k1_free_pages(emu, epcm->memblk); 421 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 422 epcm->start_addr = 0; 423 if (! epcm->memblk) 424 return -ENOMEM; 425 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 426 if (mapped < 0) 427 return -ENOMEM; 428 epcm->start_addr = mapped << PAGE_SHIFT; 429 } 430 return 0; 431 } 432 433 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 434 { 435 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 436 struct snd_pcm_runtime *runtime = substream->runtime; 437 struct snd_emu10k1_pcm *epcm; 438 439 if (runtime->private_data == NULL) 440 return 0; 441 epcm = runtime->private_data; 442 if (epcm->extra) { 443 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 444 epcm->extra = NULL; 445 } 446 if (epcm->voices[1]) { 447 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 448 epcm->voices[1] = NULL; 449 } 450 if (epcm->voices[0]) { 451 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 452 epcm->voices[0] = NULL; 453 } 454 if (epcm->memblk) { 455 snd_emu10k1_free_pages(emu, epcm->memblk); 456 epcm->memblk = NULL; 457 epcm->start_addr = 0; 458 } 459 snd_pcm_lib_free_pages(substream); 460 return 0; 461 } 462 463 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 464 { 465 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 466 struct snd_pcm_runtime *runtime = substream->runtime; 467 struct snd_emu10k1_pcm *epcm; 468 int i; 469 470 if (runtime->private_data == NULL) 471 return 0; 472 epcm = runtime->private_data; 473 if (epcm->extra) { 474 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 475 epcm->extra = NULL; 476 } 477 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 478 if (epcm->voices[i]) { 479 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 480 epcm->voices[i] = NULL; 481 } 482 } 483 if (epcm->memblk) { 484 snd_emu10k1_free_pages(emu, epcm->memblk); 485 epcm->memblk = NULL; 486 epcm->start_addr = 0; 487 } 488 snd_pcm_lib_free_pages(substream); 489 return 0; 490 } 491 492 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 493 { 494 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 495 struct snd_pcm_runtime *runtime = substream->runtime; 496 struct snd_emu10k1_pcm *epcm = runtime->private_data; 497 unsigned int start_addr, end_addr; 498 499 start_addr = epcm->start_addr; 500 end_addr = snd_pcm_lib_period_bytes(substream); 501 if (runtime->channels == 2) { 502 start_addr >>= 1; 503 end_addr >>= 1; 504 } 505 end_addr += start_addr; 506 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 507 start_addr, end_addr, NULL); 508 start_addr = epcm->start_addr; 509 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 510 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 511 start_addr, end_addr, 512 &emu->pcm_mixer[substream->number]); 513 if (epcm->voices[1]) 514 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 515 start_addr, end_addr, 516 &emu->pcm_mixer[substream->number]); 517 return 0; 518 } 519 520 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 521 { 522 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 523 struct snd_pcm_runtime *runtime = substream->runtime; 524 struct snd_emu10k1_pcm *epcm = runtime->private_data; 525 unsigned int start_addr, end_addr; 526 unsigned int channel_size; 527 int i; 528 529 start_addr = epcm->start_addr; 530 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 531 532 /* 533 * the kX driver leaves some space between voices 534 */ 535 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 536 537 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 538 start_addr, start_addr + (channel_size / 2), NULL); 539 540 /* only difference with the master voice is we use it for the pointer */ 541 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 542 start_addr, start_addr + channel_size, 543 &emu->efx_pcm_mixer[0]); 544 545 start_addr += channel_size; 546 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 547 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 548 start_addr, start_addr + channel_size, 549 &emu->efx_pcm_mixer[i]); 550 start_addr += channel_size; 551 } 552 553 return 0; 554 } 555 556 static struct snd_pcm_hardware snd_emu10k1_efx_playback = 557 { 558 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 559 SNDRV_PCM_INFO_BLOCK_TRANSFER | 560 SNDRV_PCM_INFO_RESUME | 561 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 562 .formats = SNDRV_PCM_FMTBIT_S16_LE, 563 .rates = SNDRV_PCM_RATE_48000, 564 .rate_min = 48000, 565 .rate_max = 48000, 566 .channels_min = NUM_EFX_PLAYBACK, 567 .channels_max = NUM_EFX_PLAYBACK, 568 .buffer_bytes_max = (64*1024), 569 .period_bytes_min = 64, 570 .period_bytes_max = (64*1024), 571 .periods_min = 2, 572 .periods_max = 2, 573 .fifo_size = 0, 574 }; 575 576 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 577 struct snd_pcm_hw_params *hw_params) 578 { 579 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 580 } 581 582 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 583 { 584 return snd_pcm_lib_free_pages(substream); 585 } 586 587 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 588 { 589 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 590 struct snd_pcm_runtime *runtime = substream->runtime; 591 struct snd_emu10k1_pcm *epcm = runtime->private_data; 592 int idx; 593 594 /* zeroing the buffer size will stop capture */ 595 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 596 switch (epcm->type) { 597 case CAPTURE_AC97ADC: 598 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 599 break; 600 case CAPTURE_EFX: 601 if (emu->audigy) { 602 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 603 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 604 } else 605 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 606 break; 607 default: 608 break; 609 } 610 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 611 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 612 epcm->capture_bs_val = 0; 613 for (idx = 0; idx < 31; idx++) { 614 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 615 epcm->capture_bs_val = idx + 1; 616 break; 617 } 618 } 619 if (epcm->capture_bs_val == 0) { 620 snd_BUG(); 621 epcm->capture_bs_val++; 622 } 623 if (epcm->type == CAPTURE_AC97ADC) { 624 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 625 if (runtime->channels > 1) 626 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 627 epcm->capture_cr_val |= emu->audigy ? 628 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 629 snd_emu10k1_capture_rate_reg(runtime->rate); 630 } 631 return 0; 632 } 633 634 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 635 { 636 struct snd_pcm_runtime *runtime; 637 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 638 639 if (evoice == NULL) 640 return; 641 runtime = evoice->epcm->substream->runtime; 642 voice = evoice->number; 643 stereo = (!extra && runtime->channels == 2); 644 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 645 ccis = emu10k1_ccis(stereo, sample == 0); 646 /* set cs to 2 * number of cache registers beside the invalidated */ 647 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 648 if (cs > 16) cs = 16; 649 for (i = 0; i < cs; i++) { 650 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 651 if (stereo) { 652 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 653 } 654 } 655 /* reset cache */ 656 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 657 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 658 if (stereo) { 659 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 660 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 661 } 662 /* fill cache */ 663 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 664 if (stereo) { 665 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 666 } 667 } 668 669 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 670 int master, int extra, 671 struct snd_emu10k1_pcm_mixer *mix) 672 { 673 struct snd_pcm_substream *substream; 674 struct snd_pcm_runtime *runtime; 675 unsigned int attn, vattn; 676 unsigned int voice, tmp; 677 678 if (evoice == NULL) /* skip second voice for mono */ 679 return; 680 substream = evoice->epcm->substream; 681 runtime = substream->runtime; 682 voice = evoice->number; 683 684 attn = extra ? 0 : 0x00ff; 685 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 686 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 687 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 688 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 689 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 690 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 691 snd_emu10k1_voice_clear_loop_stop(emu, voice); 692 } 693 694 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 695 { 696 struct snd_pcm_substream *substream; 697 struct snd_pcm_runtime *runtime; 698 unsigned int voice, pitch, pitch_target; 699 700 if (evoice == NULL) /* skip second voice for mono */ 701 return; 702 substream = evoice->epcm->substream; 703 runtime = substream->runtime; 704 voice = evoice->number; 705 706 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 707 if (emu->card_capabilities->emu_model) 708 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 709 else 710 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 711 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 712 if (master || evoice->epcm->type == PLAYBACK_EFX) 713 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 714 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 715 if (extra) 716 snd_emu10k1_voice_intr_enable(emu, voice); 717 } 718 719 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 720 { 721 unsigned int voice; 722 723 if (evoice == NULL) 724 return; 725 voice = evoice->number; 726 snd_emu10k1_voice_intr_disable(emu, voice); 727 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 728 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 729 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 730 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 731 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 732 snd_emu10k1_ptr_write(emu, IP, voice, 0); 733 } 734 735 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 736 int cmd) 737 { 738 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 739 struct snd_pcm_runtime *runtime = substream->runtime; 740 struct snd_emu10k1_pcm *epcm = runtime->private_data; 741 struct snd_emu10k1_pcm_mixer *mix; 742 int result = 0; 743 744 /* 745 printk(KERN_DEBUG "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 746 (int)emu, cmd, substream->ops->pointer(substream)) 747 */ 748 spin_lock(&emu->reg_lock); 749 switch (cmd) { 750 case SNDRV_PCM_TRIGGER_START: 751 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 752 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 753 /* follow thru */ 754 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 755 case SNDRV_PCM_TRIGGER_RESUME: 756 mix = &emu->pcm_mixer[substream->number]; 757 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 758 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 759 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 760 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 761 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 762 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 763 epcm->running = 1; 764 break; 765 case SNDRV_PCM_TRIGGER_STOP: 766 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 767 case SNDRV_PCM_TRIGGER_SUSPEND: 768 epcm->running = 0; 769 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 770 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 771 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 772 break; 773 default: 774 result = -EINVAL; 775 break; 776 } 777 spin_unlock(&emu->reg_lock); 778 return result; 779 } 780 781 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 782 int cmd) 783 { 784 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 785 struct snd_pcm_runtime *runtime = substream->runtime; 786 struct snd_emu10k1_pcm *epcm = runtime->private_data; 787 int result = 0; 788 789 spin_lock(&emu->reg_lock); 790 switch (cmd) { 791 case SNDRV_PCM_TRIGGER_START: 792 case SNDRV_PCM_TRIGGER_RESUME: 793 /* hmm this should cause full and half full interrupt to be raised? */ 794 outl(epcm->capture_ipr, emu->port + IPR); 795 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 796 /* 797 printk(KERN_DEBUG "adccr = 0x%x, adcbs = 0x%x\n", 798 epcm->adccr, epcm->adcbs); 799 */ 800 switch (epcm->type) { 801 case CAPTURE_AC97ADC: 802 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 803 break; 804 case CAPTURE_EFX: 805 if (emu->audigy) { 806 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 807 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 808 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); 809 } else 810 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 811 break; 812 default: 813 break; 814 } 815 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 816 epcm->running = 1; 817 epcm->first_ptr = 1; 818 break; 819 case SNDRV_PCM_TRIGGER_STOP: 820 case SNDRV_PCM_TRIGGER_SUSPEND: 821 epcm->running = 0; 822 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 823 outl(epcm->capture_ipr, emu->port + IPR); 824 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 825 switch (epcm->type) { 826 case CAPTURE_AC97ADC: 827 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 828 break; 829 case CAPTURE_EFX: 830 if (emu->audigy) { 831 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 832 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 833 } else 834 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 835 break; 836 default: 837 break; 838 } 839 break; 840 default: 841 result = -EINVAL; 842 } 843 spin_unlock(&emu->reg_lock); 844 return result; 845 } 846 847 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 848 { 849 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 850 struct snd_pcm_runtime *runtime = substream->runtime; 851 struct snd_emu10k1_pcm *epcm = runtime->private_data; 852 unsigned int ptr; 853 854 if (!epcm->running) 855 return 0; 856 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 857 #if 0 /* Perex's code */ 858 ptr += runtime->buffer_size; 859 ptr -= epcm->ccca_start_addr; 860 ptr %= runtime->buffer_size; 861 #else /* EMU10K1 Open Source code from Creative */ 862 if (ptr < epcm->ccca_start_addr) 863 ptr += runtime->buffer_size - epcm->ccca_start_addr; 864 else { 865 ptr -= epcm->ccca_start_addr; 866 if (ptr >= runtime->buffer_size) 867 ptr -= runtime->buffer_size; 868 } 869 #endif 870 /* 871 printk(KERN_DEBUG 872 "ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", 873 ptr, runtime->buffer_size, runtime->period_size); 874 */ 875 return ptr; 876 } 877 878 879 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 880 int cmd) 881 { 882 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 883 struct snd_pcm_runtime *runtime = substream->runtime; 884 struct snd_emu10k1_pcm *epcm = runtime->private_data; 885 int i; 886 int result = 0; 887 888 spin_lock(&emu->reg_lock); 889 switch (cmd) { 890 case SNDRV_PCM_TRIGGER_START: 891 /* prepare voices */ 892 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 893 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 894 } 895 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 896 897 /* follow thru */ 898 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 899 case SNDRV_PCM_TRIGGER_RESUME: 900 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 901 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 902 &emu->efx_pcm_mixer[0]); 903 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 904 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 905 &emu->efx_pcm_mixer[i]); 906 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 907 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 908 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 909 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 910 epcm->running = 1; 911 break; 912 case SNDRV_PCM_TRIGGER_SUSPEND: 913 case SNDRV_PCM_TRIGGER_STOP: 914 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 915 epcm->running = 0; 916 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 917 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 918 } 919 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 920 break; 921 default: 922 result = -EINVAL; 923 break; 924 } 925 spin_unlock(&emu->reg_lock); 926 return result; 927 } 928 929 930 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 931 { 932 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 933 struct snd_pcm_runtime *runtime = substream->runtime; 934 struct snd_emu10k1_pcm *epcm = runtime->private_data; 935 unsigned int ptr; 936 937 if (!epcm->running) 938 return 0; 939 if (epcm->first_ptr) { 940 udelay(50); /* hack, it takes awhile until capture is started */ 941 epcm->first_ptr = 0; 942 } 943 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 944 return bytes_to_frames(runtime, ptr); 945 } 946 947 /* 948 * Playback support device description 949 */ 950 951 static struct snd_pcm_hardware snd_emu10k1_playback = 952 { 953 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 954 SNDRV_PCM_INFO_BLOCK_TRANSFER | 955 SNDRV_PCM_INFO_RESUME | 956 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 957 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 958 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 959 .rate_min = 4000, 960 .rate_max = 96000, 961 .channels_min = 1, 962 .channels_max = 2, 963 .buffer_bytes_max = (128*1024), 964 .period_bytes_min = 64, 965 .period_bytes_max = (128*1024), 966 .periods_min = 1, 967 .periods_max = 1024, 968 .fifo_size = 0, 969 }; 970 971 /* 972 * Capture support device description 973 */ 974 975 static struct snd_pcm_hardware snd_emu10k1_capture = 976 { 977 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 978 SNDRV_PCM_INFO_BLOCK_TRANSFER | 979 SNDRV_PCM_INFO_RESUME | 980 SNDRV_PCM_INFO_MMAP_VALID), 981 .formats = SNDRV_PCM_FMTBIT_S16_LE, 982 .rates = SNDRV_PCM_RATE_8000_48000, 983 .rate_min = 8000, 984 .rate_max = 48000, 985 .channels_min = 1, 986 .channels_max = 2, 987 .buffer_bytes_max = (64*1024), 988 .period_bytes_min = 384, 989 .period_bytes_max = (64*1024), 990 .periods_min = 2, 991 .periods_max = 2, 992 .fifo_size = 0, 993 }; 994 995 static struct snd_pcm_hardware snd_emu10k1_capture_efx = 996 { 997 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 998 SNDRV_PCM_INFO_BLOCK_TRANSFER | 999 SNDRV_PCM_INFO_RESUME | 1000 SNDRV_PCM_INFO_MMAP_VALID), 1001 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1002 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1003 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1004 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1005 .rate_min = 44100, 1006 .rate_max = 192000, 1007 .channels_min = 8, 1008 .channels_max = 8, 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 /* 1018 * 1019 */ 1020 1021 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1022 { 1023 struct snd_ctl_elem_id id; 1024 1025 if (! kctl) 1026 return; 1027 if (activate) 1028 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1029 else 1030 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1031 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1032 SNDRV_CTL_EVENT_MASK_INFO, 1033 snd_ctl_build_ioff(&id, kctl, idx)); 1034 } 1035 1036 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1037 { 1038 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1039 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1040 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1041 } 1042 1043 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1044 { 1045 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1046 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1047 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1048 } 1049 1050 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1051 { 1052 kfree(runtime->private_data); 1053 } 1054 1055 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1056 { 1057 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1058 struct snd_emu10k1_pcm_mixer *mix; 1059 int i; 1060 1061 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1062 mix = &emu->efx_pcm_mixer[i]; 1063 mix->epcm = NULL; 1064 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1065 } 1066 return 0; 1067 } 1068 1069 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1070 { 1071 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1072 struct snd_emu10k1_pcm *epcm; 1073 struct snd_emu10k1_pcm_mixer *mix; 1074 struct snd_pcm_runtime *runtime = substream->runtime; 1075 int i; 1076 1077 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1078 if (epcm == NULL) 1079 return -ENOMEM; 1080 epcm->emu = emu; 1081 epcm->type = PLAYBACK_EFX; 1082 epcm->substream = substream; 1083 1084 emu->pcm_playback_efx_substream = substream; 1085 1086 runtime->private_data = epcm; 1087 runtime->private_free = snd_emu10k1_pcm_free_substream; 1088 runtime->hw = snd_emu10k1_efx_playback; 1089 1090 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1091 mix = &emu->efx_pcm_mixer[i]; 1092 mix->send_routing[0][0] = i; 1093 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1094 mix->send_volume[0][0] = 255; 1095 mix->attn[0] = 0xffff; 1096 mix->epcm = epcm; 1097 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1098 } 1099 return 0; 1100 } 1101 1102 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1103 { 1104 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1105 struct snd_emu10k1_pcm *epcm; 1106 struct snd_emu10k1_pcm_mixer *mix; 1107 struct snd_pcm_runtime *runtime = substream->runtime; 1108 int i, err; 1109 1110 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1111 if (epcm == NULL) 1112 return -ENOMEM; 1113 epcm->emu = emu; 1114 epcm->type = PLAYBACK_EMUVOICE; 1115 epcm->substream = substream; 1116 runtime->private_data = epcm; 1117 runtime->private_free = snd_emu10k1_pcm_free_substream; 1118 runtime->hw = snd_emu10k1_playback; 1119 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1120 kfree(epcm); 1121 return err; 1122 } 1123 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1124 kfree(epcm); 1125 return err; 1126 } 1127 mix = &emu->pcm_mixer[substream->number]; 1128 for (i = 0; i < 4; i++) 1129 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1130 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1131 mix->send_volume[0][0] = mix->send_volume[0][1] = 1132 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1133 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1134 mix->epcm = epcm; 1135 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1136 return 0; 1137 } 1138 1139 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1140 { 1141 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1142 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1143 1144 mix->epcm = NULL; 1145 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1146 return 0; 1147 } 1148 1149 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1150 { 1151 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1152 struct snd_pcm_runtime *runtime = substream->runtime; 1153 struct snd_emu10k1_pcm *epcm; 1154 1155 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1156 if (epcm == NULL) 1157 return -ENOMEM; 1158 epcm->emu = emu; 1159 epcm->type = CAPTURE_AC97ADC; 1160 epcm->substream = substream; 1161 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1162 epcm->capture_inte = INTE_ADCBUFENABLE; 1163 epcm->capture_ba_reg = ADCBA; 1164 epcm->capture_bs_reg = ADCBS; 1165 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1166 runtime->private_data = epcm; 1167 runtime->private_free = snd_emu10k1_pcm_free_substream; 1168 runtime->hw = snd_emu10k1_capture; 1169 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1170 emu->pcm_capture_substream = substream; 1171 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1172 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1173 return 0; 1174 } 1175 1176 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1177 { 1178 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1179 1180 emu->capture_interrupt = NULL; 1181 emu->pcm_capture_substream = NULL; 1182 return 0; 1183 } 1184 1185 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1186 { 1187 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1188 struct snd_emu10k1_pcm *epcm; 1189 struct snd_pcm_runtime *runtime = substream->runtime; 1190 1191 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1192 if (epcm == NULL) 1193 return -ENOMEM; 1194 epcm->emu = emu; 1195 epcm->type = CAPTURE_AC97MIC; 1196 epcm->substream = substream; 1197 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1198 epcm->capture_inte = INTE_MICBUFENABLE; 1199 epcm->capture_ba_reg = MICBA; 1200 epcm->capture_bs_reg = MICBS; 1201 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1202 substream->runtime->private_data = epcm; 1203 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1204 runtime->hw = snd_emu10k1_capture; 1205 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1206 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1207 runtime->hw.channels_min = 1; 1208 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1209 emu->pcm_capture_mic_substream = substream; 1210 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1211 return 0; 1212 } 1213 1214 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1215 { 1216 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1217 1218 emu->capture_interrupt = NULL; 1219 emu->pcm_capture_mic_substream = NULL; 1220 return 0; 1221 } 1222 1223 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1224 { 1225 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1226 struct snd_emu10k1_pcm *epcm; 1227 struct snd_pcm_runtime *runtime = substream->runtime; 1228 int nefx = emu->audigy ? 64 : 32; 1229 int idx; 1230 1231 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1232 if (epcm == NULL) 1233 return -ENOMEM; 1234 epcm->emu = emu; 1235 epcm->type = CAPTURE_EFX; 1236 epcm->substream = substream; 1237 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1238 epcm->capture_inte = INTE_EFXBUFENABLE; 1239 epcm->capture_ba_reg = FXBA; 1240 epcm->capture_bs_reg = FXBS; 1241 epcm->capture_idx_reg = FXIDX; 1242 substream->runtime->private_data = epcm; 1243 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1244 runtime->hw = snd_emu10k1_capture_efx; 1245 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1246 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1247 spin_lock_irq(&emu->reg_lock); 1248 if (emu->card_capabilities->emu_model) { 1249 /* Nb. of channels has been increased to 16 */ 1250 /* TODO 1251 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1252 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1253 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1254 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1255 * rate_min = 44100, 1256 * rate_max = 192000, 1257 * channels_min = 16, 1258 * channels_max = 16, 1259 * Need to add mixer control to fix sample rate 1260 * 1261 * There are 32 mono channels of 16bits each. 1262 * 24bit Audio uses 2x channels over 16bit 1263 * 96kHz uses 2x channels over 48kHz 1264 * 192kHz uses 4x channels over 48kHz 1265 * So, for 48kHz 24bit, one has 16 channels 1266 * for 96kHz 24bit, one has 8 channels 1267 * for 192kHz 24bit, one has 4 channels 1268 * 1269 */ 1270 #if 1 1271 switch (emu->emu1010.internal_clock) { 1272 case 0: 1273 /* For 44.1kHz */ 1274 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1275 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1276 runtime->hw.channels_min = 1277 runtime->hw.channels_max = 16; 1278 break; 1279 case 1: 1280 /* For 48kHz */ 1281 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1282 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1283 runtime->hw.channels_min = 1284 runtime->hw.channels_max = 16; 1285 break; 1286 }; 1287 #endif 1288 #if 0 1289 /* For 96kHz */ 1290 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1291 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1292 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1293 #endif 1294 #if 0 1295 /* For 192kHz */ 1296 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1297 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1298 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1299 #endif 1300 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1301 /* efx_voices_mask[0] is expected to be zero 1302 * efx_voices_mask[1] is expected to have 32bits set 1303 */ 1304 } else { 1305 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1306 for (idx = 0; idx < nefx; idx++) { 1307 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1308 runtime->hw.channels_min++; 1309 runtime->hw.channels_max++; 1310 } 1311 } 1312 } 1313 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1314 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1315 spin_unlock_irq(&emu->reg_lock); 1316 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1317 emu->pcm_capture_efx_substream = substream; 1318 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1319 return 0; 1320 } 1321 1322 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1323 { 1324 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1325 1326 emu->capture_interrupt = NULL; 1327 emu->pcm_capture_efx_substream = NULL; 1328 return 0; 1329 } 1330 1331 static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1332 .open = snd_emu10k1_playback_open, 1333 .close = snd_emu10k1_playback_close, 1334 .ioctl = snd_pcm_lib_ioctl, 1335 .hw_params = snd_emu10k1_playback_hw_params, 1336 .hw_free = snd_emu10k1_playback_hw_free, 1337 .prepare = snd_emu10k1_playback_prepare, 1338 .trigger = snd_emu10k1_playback_trigger, 1339 .pointer = snd_emu10k1_playback_pointer, 1340 .page = snd_pcm_sgbuf_ops_page, 1341 }; 1342 1343 static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1344 .open = snd_emu10k1_capture_open, 1345 .close = snd_emu10k1_capture_close, 1346 .ioctl = snd_pcm_lib_ioctl, 1347 .hw_params = snd_emu10k1_capture_hw_params, 1348 .hw_free = snd_emu10k1_capture_hw_free, 1349 .prepare = snd_emu10k1_capture_prepare, 1350 .trigger = snd_emu10k1_capture_trigger, 1351 .pointer = snd_emu10k1_capture_pointer, 1352 }; 1353 1354 /* EFX playback */ 1355 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1356 .open = snd_emu10k1_efx_playback_open, 1357 .close = snd_emu10k1_efx_playback_close, 1358 .ioctl = snd_pcm_lib_ioctl, 1359 .hw_params = snd_emu10k1_playback_hw_params, 1360 .hw_free = snd_emu10k1_efx_playback_hw_free, 1361 .prepare = snd_emu10k1_efx_playback_prepare, 1362 .trigger = snd_emu10k1_efx_playback_trigger, 1363 .pointer = snd_emu10k1_efx_playback_pointer, 1364 .page = snd_pcm_sgbuf_ops_page, 1365 }; 1366 1367 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1368 { 1369 struct snd_pcm *pcm; 1370 struct snd_pcm_substream *substream; 1371 int err; 1372 1373 if (rpcm) 1374 *rpcm = NULL; 1375 1376 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1377 return err; 1378 1379 pcm->private_data = emu; 1380 1381 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1382 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1383 1384 pcm->info_flags = 0; 1385 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1386 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1387 emu->pcm = pcm; 1388 1389 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1390 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1391 return err; 1392 1393 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1394 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1395 1396 if (rpcm) 1397 *rpcm = pcm; 1398 1399 return 0; 1400 } 1401 1402 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1403 { 1404 struct snd_pcm *pcm; 1405 struct snd_pcm_substream *substream; 1406 int err; 1407 1408 if (rpcm) 1409 *rpcm = NULL; 1410 1411 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1412 return err; 1413 1414 pcm->private_data = emu; 1415 1416 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1417 1418 pcm->info_flags = 0; 1419 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1420 strcpy(pcm->name, "Multichannel Playback"); 1421 emu->pcm_multi = pcm; 1422 1423 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1424 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1425 return err; 1426 1427 if (rpcm) 1428 *rpcm = pcm; 1429 1430 return 0; 1431 } 1432 1433 1434 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1435 .open = snd_emu10k1_capture_mic_open, 1436 .close = snd_emu10k1_capture_mic_close, 1437 .ioctl = snd_pcm_lib_ioctl, 1438 .hw_params = snd_emu10k1_capture_hw_params, 1439 .hw_free = snd_emu10k1_capture_hw_free, 1440 .prepare = snd_emu10k1_capture_prepare, 1441 .trigger = snd_emu10k1_capture_trigger, 1442 .pointer = snd_emu10k1_capture_pointer, 1443 }; 1444 1445 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1446 { 1447 struct snd_pcm *pcm; 1448 int err; 1449 1450 if (rpcm) 1451 *rpcm = NULL; 1452 1453 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1454 return err; 1455 1456 pcm->private_data = emu; 1457 1458 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1459 1460 pcm->info_flags = 0; 1461 strcpy(pcm->name, "Mic Capture"); 1462 emu->pcm_mic = pcm; 1463 1464 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1465 1466 if (rpcm) 1467 *rpcm = pcm; 1468 return 0; 1469 } 1470 1471 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1472 { 1473 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1474 int nefx = emu->audigy ? 64 : 32; 1475 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1476 uinfo->count = nefx; 1477 uinfo->value.integer.min = 0; 1478 uinfo->value.integer.max = 1; 1479 return 0; 1480 } 1481 1482 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1483 { 1484 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1485 int nefx = emu->audigy ? 64 : 32; 1486 int idx; 1487 1488 spin_lock_irq(&emu->reg_lock); 1489 for (idx = 0; idx < nefx; idx++) 1490 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1491 spin_unlock_irq(&emu->reg_lock); 1492 return 0; 1493 } 1494 1495 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1496 { 1497 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1498 unsigned int nval[2], bits; 1499 int nefx = emu->audigy ? 64 : 32; 1500 int nefxb = emu->audigy ? 7 : 6; 1501 int change, idx; 1502 1503 nval[0] = nval[1] = 0; 1504 for (idx = 0, bits = 0; idx < nefx; idx++) 1505 if (ucontrol->value.integer.value[idx]) { 1506 nval[idx / 32] |= 1 << (idx % 32); 1507 bits++; 1508 } 1509 1510 for (idx = 0; idx < nefxb; idx++) 1511 if (1 << idx == bits) 1512 break; 1513 1514 if (idx >= nefxb) 1515 return -EINVAL; 1516 1517 spin_lock_irq(&emu->reg_lock); 1518 change = (nval[0] != emu->efx_voices_mask[0]) || 1519 (nval[1] != emu->efx_voices_mask[1]); 1520 emu->efx_voices_mask[0] = nval[0]; 1521 emu->efx_voices_mask[1] = nval[1]; 1522 spin_unlock_irq(&emu->reg_lock); 1523 return change; 1524 } 1525 1526 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1527 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1528 .name = "Captured FX8010 Outputs", 1529 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1530 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1531 .put = snd_emu10k1_pcm_efx_voices_mask_put 1532 }; 1533 1534 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1535 .open = snd_emu10k1_capture_efx_open, 1536 .close = snd_emu10k1_capture_efx_close, 1537 .ioctl = snd_pcm_lib_ioctl, 1538 .hw_params = snd_emu10k1_capture_hw_params, 1539 .hw_free = snd_emu10k1_capture_hw_free, 1540 .prepare = snd_emu10k1_capture_prepare, 1541 .trigger = snd_emu10k1_capture_trigger, 1542 .pointer = snd_emu10k1_capture_pointer, 1543 }; 1544 1545 1546 /* EFX playback */ 1547 1548 #define INITIAL_TRAM_SHIFT 14 1549 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1550 1551 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1552 { 1553 struct snd_pcm_substream *substream = private_data; 1554 snd_pcm_period_elapsed(substream); 1555 } 1556 1557 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1558 unsigned short *dst_right, 1559 unsigned short *src, 1560 unsigned int count, 1561 unsigned int tram_shift) 1562 { 1563 /* 1564 printk(KERN_DEBUG "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1565 "src = 0x%p, count = 0x%x\n", 1566 dst_left, dst_right, src, count); 1567 */ 1568 if ((tram_shift & 1) == 0) { 1569 while (count--) { 1570 *dst_left-- = *src++; 1571 *dst_right-- = *src++; 1572 } 1573 } else { 1574 while (count--) { 1575 *dst_right-- = *src++; 1576 *dst_left-- = *src++; 1577 } 1578 } 1579 } 1580 1581 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1582 struct snd_pcm_indirect *rec, size_t bytes) 1583 { 1584 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1585 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1586 unsigned int tram_size = pcm->buffer_size; 1587 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1588 unsigned int frames = bytes >> 2, count; 1589 unsigned int tram_pos = pcm->tram_pos; 1590 unsigned int tram_shift = pcm->tram_shift; 1591 1592 while (frames > tram_pos) { 1593 count = tram_pos + 1; 1594 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1595 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1596 src, count, tram_shift); 1597 src += count * 2; 1598 frames -= count; 1599 tram_pos = (tram_size / 2) - 1; 1600 tram_shift++; 1601 } 1602 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1603 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1604 src, frames, tram_shift); 1605 tram_pos -= frames; 1606 pcm->tram_pos = tram_pos; 1607 pcm->tram_shift = tram_shift; 1608 } 1609 1610 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1611 { 1612 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1613 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1614 1615 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1616 return 0; 1617 } 1618 1619 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1620 struct snd_pcm_hw_params *hw_params) 1621 { 1622 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1623 } 1624 1625 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1626 { 1627 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1628 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1629 unsigned int i; 1630 1631 for (i = 0; i < pcm->channels; i++) 1632 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1633 snd_pcm_lib_free_pages(substream); 1634 return 0; 1635 } 1636 1637 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1638 { 1639 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1640 struct snd_pcm_runtime *runtime = substream->runtime; 1641 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1642 unsigned int i; 1643 1644 /* 1645 printk(KERN_DEBUG "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1646 "buffer_size = 0x%x (0x%x)\n", 1647 emu->fx8010.etram_pages, runtime->dma_area, 1648 runtime->buffer_size, runtime->buffer_size << 2); 1649 */ 1650 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1651 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1652 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1653 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1654 pcm->tram_shift = 0; 1655 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1656 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1657 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1658 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1659 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1660 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1661 for (i = 0; i < pcm->channels; i++) 1662 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1663 return 0; 1664 } 1665 1666 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1667 { 1668 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1669 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1670 int result = 0; 1671 1672 spin_lock(&emu->reg_lock); 1673 switch (cmd) { 1674 case SNDRV_PCM_TRIGGER_START: 1675 /* follow thru */ 1676 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1677 case SNDRV_PCM_TRIGGER_RESUME: 1678 #ifdef EMU10K1_SET_AC3_IEC958 1679 { 1680 int i; 1681 for (i = 0; i < 3; i++) { 1682 unsigned int bits; 1683 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1684 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1685 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1686 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1687 } 1688 } 1689 #endif 1690 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1691 if (result < 0) 1692 goto __err; 1693 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1694 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1695 break; 1696 case SNDRV_PCM_TRIGGER_STOP: 1697 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1698 case SNDRV_PCM_TRIGGER_SUSPEND: 1699 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1700 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1701 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1702 pcm->tram_shift = 0; 1703 break; 1704 default: 1705 result = -EINVAL; 1706 break; 1707 } 1708 __err: 1709 spin_unlock(&emu->reg_lock); 1710 return result; 1711 } 1712 1713 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1714 { 1715 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1716 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1717 size_t ptr; /* byte pointer */ 1718 1719 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1720 return 0; 1721 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1722 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1723 } 1724 1725 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1726 { 1727 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1728 SNDRV_PCM_INFO_RESUME | 1729 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1730 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1731 .rates = SNDRV_PCM_RATE_48000, 1732 .rate_min = 48000, 1733 .rate_max = 48000, 1734 .channels_min = 1, 1735 .channels_max = 1, 1736 .buffer_bytes_max = (128*1024), 1737 .period_bytes_min = 1024, 1738 .period_bytes_max = (128*1024), 1739 .periods_min = 1, 1740 .periods_max = 1024, 1741 .fifo_size = 0, 1742 }; 1743 1744 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1745 { 1746 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1747 struct snd_pcm_runtime *runtime = substream->runtime; 1748 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1749 1750 runtime->hw = snd_emu10k1_fx8010_playback; 1751 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1752 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1753 spin_lock_irq(&emu->reg_lock); 1754 if (pcm->valid == 0) { 1755 spin_unlock_irq(&emu->reg_lock); 1756 return -ENODEV; 1757 } 1758 pcm->opened = 1; 1759 spin_unlock_irq(&emu->reg_lock); 1760 return 0; 1761 } 1762 1763 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1764 { 1765 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1766 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1767 1768 spin_lock_irq(&emu->reg_lock); 1769 pcm->opened = 0; 1770 spin_unlock_irq(&emu->reg_lock); 1771 return 0; 1772 } 1773 1774 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1775 .open = snd_emu10k1_fx8010_playback_open, 1776 .close = snd_emu10k1_fx8010_playback_close, 1777 .ioctl = snd_pcm_lib_ioctl, 1778 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1779 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1780 .prepare = snd_emu10k1_fx8010_playback_prepare, 1781 .trigger = snd_emu10k1_fx8010_playback_trigger, 1782 .pointer = snd_emu10k1_fx8010_playback_pointer, 1783 .ack = snd_emu10k1_fx8010_playback_transfer, 1784 }; 1785 1786 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1787 { 1788 struct snd_pcm *pcm; 1789 struct snd_kcontrol *kctl; 1790 int err; 1791 1792 if (rpcm) 1793 *rpcm = NULL; 1794 1795 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1796 return err; 1797 1798 pcm->private_data = emu; 1799 1800 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1801 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1802 1803 pcm->info_flags = 0; 1804 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1805 emu->pcm_efx = pcm; 1806 if (rpcm) 1807 *rpcm = pcm; 1808 1809 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1810 * to these 1811 */ 1812 1813 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1814 if (emu->audigy) { 1815 emu->efx_voices_mask[0] = 0; 1816 if (emu->card_capabilities->emu_model) 1817 /* Pavel Hofman - 32 voices will be used for 1818 * capture (write mode) - 1819 * each bit = corresponding voice 1820 */ 1821 emu->efx_voices_mask[1] = 0xffffffff; 1822 else 1823 emu->efx_voices_mask[1] = 0xffff; 1824 } else { 1825 emu->efx_voices_mask[0] = 0xffff0000; 1826 emu->efx_voices_mask[1] = 0; 1827 } 1828 /* For emu1010, the control has to set 32 upper bits (voices) 1829 * out of the 64 bits (voices) to true for the 16-channels capture 1830 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1831 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1832 * control can override this register's value. 1833 */ 1834 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1835 if (!kctl) 1836 return -ENOMEM; 1837 kctl->id.device = device; 1838 snd_ctl_add(emu->card, kctl); 1839 1840 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1841 1842 return 0; 1843 } 1844