1/* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h> 30#include <linux/pci.h> 31#include <linux/delay.h> 32#include <linux/slab.h> 33#include <linux/time.h> 34#include <linux/init.h> 35#include <sound/core.h> 36#include <sound/emu10k1.h> 37 38static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, 39 struct snd_emu10k1_voice *voice) 40{ 41 struct snd_emu10k1_pcm *epcm; 42 43 if ((epcm = voice->epcm) == NULL) 44 return; 45 if (epcm->substream == NULL) 46 return; 47 snd_pcm_period_elapsed(epcm->substream); 48} 49 50static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 51 unsigned int status) 52{ 53 snd_pcm_period_elapsed(emu->pcm_capture_substream); 54} 55 56static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 57 unsigned int status) 58{ 59 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 60} 61 62static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 63 unsigned int status) 64{ 65 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 66} 67 68static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 69{ 70 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 71 struct snd_pcm_runtime *runtime = substream->runtime; 72 struct snd_emu10k1_pcm *epcm = runtime->private_data; 73 unsigned int ptr; 74 75 if (!epcm->running) 76 return 0; 77 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 78 ptr += runtime->buffer_size; 79 ptr -= epcm->ccca_start_addr; 80 ptr %= runtime->buffer_size; 81 82 return ptr; 83} 84 85static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 86{ 87 int err, i; 88 89 if (epcm->voices[1] != NULL && voices < 2) { 90 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 91 epcm->voices[1] = NULL; 92 } 93 for (i = 0; i < voices; i++) { 94 if (epcm->voices[i] == NULL) 95 break; 96 } 97 if (i == voices) 98 return 0; /* already allocated */ 99 100 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 101 if (epcm->voices[i]) { 102 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 103 epcm->voices[i] = NULL; 104 } 105 } 106 err = snd_emu10k1_voice_alloc(epcm->emu, 107 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 108 voices, 109 &epcm->voices[0]); 110 111 if (err < 0) 112 return err; 113 epcm->voices[0]->epcm = epcm; 114 if (voices > 1) { 115 for (i = 1; i < voices; i++) { 116 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 117 epcm->voices[i]->epcm = epcm; 118 } 119 } 120 if (epcm->extra == NULL) { 121 err = snd_emu10k1_voice_alloc(epcm->emu, 122 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 123 1, 124 &epcm->extra); 125 if (err < 0) { 126 /* printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame); */ 127 for (i = 0; i < voices; i++) { 128 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 129 epcm->voices[i] = NULL; 130 } 131 return err; 132 } 133 epcm->extra->epcm = epcm; 134 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 135 } 136 return 0; 137} 138 139static unsigned int capture_period_sizes[31] = { 140 384, 448, 512, 640, 141 384*2, 448*2, 512*2, 640*2, 142 384*4, 448*4, 512*4, 640*4, 143 384*8, 448*8, 512*8, 640*8, 144 384*16, 448*16, 512*16, 640*16, 145 384*32, 448*32, 512*32, 640*32, 146 384*64, 448*64, 512*64, 640*64, 147 384*128,448*128,512*128 148}; 149 150static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 151 .count = 31, 152 .list = capture_period_sizes, 153 .mask = 0 154}; 155 156static unsigned int capture_rates[8] = { 157 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 158}; 159 160static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 161 .count = 8, 162 .list = capture_rates, 163 .mask = 0 164}; 165 166static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 167{ 168 switch (rate) { 169 case 8000: return ADCCR_SAMPLERATE_8; 170 case 11025: return ADCCR_SAMPLERATE_11; 171 case 16000: return ADCCR_SAMPLERATE_16; 172 case 22050: return ADCCR_SAMPLERATE_22; 173 case 24000: return ADCCR_SAMPLERATE_24; 174 case 32000: return ADCCR_SAMPLERATE_32; 175 case 44100: return ADCCR_SAMPLERATE_44; 176 case 48000: return ADCCR_SAMPLERATE_48; 177 default: 178 snd_BUG(); 179 return ADCCR_SAMPLERATE_8; 180 } 181} 182 183static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 184{ 185 switch (rate) { 186 case 8000: return A_ADCCR_SAMPLERATE_8; 187 case 11025: return A_ADCCR_SAMPLERATE_11; 188 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 189 case 16000: return ADCCR_SAMPLERATE_16; 190 case 22050: return ADCCR_SAMPLERATE_22; 191 case 24000: return ADCCR_SAMPLERATE_24; 192 case 32000: return ADCCR_SAMPLERATE_32; 193 case 44100: return ADCCR_SAMPLERATE_44; 194 case 48000: return ADCCR_SAMPLERATE_48; 195 default: 196 snd_BUG(); 197 return A_ADCCR_SAMPLERATE_8; 198 } 199} 200 201static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 202{ 203 unsigned int pitch_target; 204 205 pitch_target = (rate << 8) / 375; 206 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 207 return pitch_target; 208} 209 210#define PITCH_48000 0x00004000 211#define PITCH_96000 0x00008000 212#define PITCH_85000 0x00007155 213#define PITCH_80726 0x00006ba2 214#define PITCH_67882 0x00005a82 215#define PITCH_57081 0x00004c1c 216 217static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 218{ 219 if (pitch_target == PITCH_48000) 220 return CCCA_INTERPROM_0; 221 else if (pitch_target < PITCH_48000) 222 return CCCA_INTERPROM_1; 223 else if (pitch_target >= PITCH_96000) 224 return CCCA_INTERPROM_0; 225 else if (pitch_target >= PITCH_85000) 226 return CCCA_INTERPROM_6; 227 else if (pitch_target >= PITCH_80726) 228 return CCCA_INTERPROM_5; 229 else if (pitch_target >= PITCH_67882) 230 return CCCA_INTERPROM_4; 231 else if (pitch_target >= PITCH_57081) 232 return CCCA_INTERPROM_3; 233 else 234 return CCCA_INTERPROM_2; 235} 236 237/* 238 * calculate cache invalidate size 239 * 240 * stereo: channel is stereo 241 * w_16: using 16bit samples 242 * 243 * returns: cache invalidate size in samples 244 */ 245static inline int emu10k1_ccis(int stereo, int w_16) 246{ 247 if (w_16) { 248 return stereo ? 24 : 26; 249 } else { 250 return stereo ? 24*2 : 26*2; 251 } 252} 253 254static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 255 int master, int extra, 256 struct snd_emu10k1_voice *evoice, 257 unsigned int start_addr, 258 unsigned int end_addr, 259 struct snd_emu10k1_pcm_mixer *mix) 260{ 261 struct snd_pcm_substream *substream = evoice->epcm->substream; 262 struct snd_pcm_runtime *runtime = substream->runtime; 263 unsigned int silent_page, tmp; 264 int voice, stereo, w_16; 265 unsigned char attn, send_amount[8]; 266 unsigned char send_routing[8]; 267 unsigned long flags; 268 unsigned int pitch_target; 269 unsigned int ccis; 270 271 voice = evoice->number; 272 stereo = runtime->channels == 2; 273 w_16 = snd_pcm_format_width(runtime->format) == 16; 274 275 if (!extra && stereo) { 276 start_addr >>= 1; 277 end_addr >>= 1; 278 } 279 if (w_16) { 280 start_addr >>= 1; 281 end_addr >>= 1; 282 } 283 284 spin_lock_irqsave(&emu->reg_lock, flags); 285 286 /* volume parameters */ 287 if (extra) { 288 attn = 0; 289 memset(send_routing, 0, sizeof(send_routing)); 290 send_routing[0] = 0; 291 send_routing[1] = 1; 292 send_routing[2] = 2; 293 send_routing[3] = 3; 294 memset(send_amount, 0, sizeof(send_amount)); 295 } else { 296 /* mono, left, right (master voice = left) */ 297 tmp = stereo ? (master ? 1 : 2) : 0; 298 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 299 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 300 } 301 302 ccis = emu10k1_ccis(stereo, w_16); 303 304 if (master) { 305 evoice->epcm->ccca_start_addr = start_addr + ccis; 306 if (extra) { 307 start_addr += ccis; 308 end_addr += ccis; 309 } 310 if (stereo && !extra) { 311 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 312 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 313 } else { 314 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 315 } 316 } 317 318 /* setup routing */ 319 if (emu->audigy) { 320 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 321 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 322 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 323 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 324 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 325 ((unsigned int)send_amount[4] << 24) | 326 ((unsigned int)send_amount[5] << 16) | 327 ((unsigned int)send_amount[6] << 8) | 328 (unsigned int)send_amount[7]); 329 } else 330 snd_emu10k1_ptr_write(emu, FXRT, voice, 331 snd_emu10k1_compose_send_routing(send_routing)); 332 /* Stop CA */ 333 /* Assumption that PT is already 0 so no harm overwriting */ 334 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 335 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 336 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24)); 337 if (emu->card_capabilities->emu1010) 338 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 339 else 340 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 341 if (extra) 342 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 343 emu10k1_select_interprom(pitch_target) | 344 (w_16 ? 0 : CCCA_8BITSELECT)); 345 else 346 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 347 emu10k1_select_interprom(pitch_target) | 348 (w_16 ? 0 : CCCA_8BITSELECT)); 349 /* Clear filter delay memory */ 350 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 351 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 352 /* invalidate maps */ 353 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; 354 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 355 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 356 /* modulation envelope */ 357 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 358 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 359 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 360 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 361 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 362 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 363 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 364 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 365 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 366 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 367 /* volume envelope */ 368 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 369 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 370 /* filter envelope */ 371 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 372 /* pitch envelope */ 373 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 374 375 spin_unlock_irqrestore(&emu->reg_lock, flags); 376} 377 378static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 379 struct snd_pcm_hw_params *hw_params) 380{ 381 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 382 struct snd_pcm_runtime *runtime = substream->runtime; 383 struct snd_emu10k1_pcm *epcm = runtime->private_data; 384 int err; 385 386 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 387 return err; 388 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 389 return err; 390 if (err > 0) { /* change */ 391 int mapped; 392 if (epcm->memblk != NULL) 393 snd_emu10k1_free_pages(emu, epcm->memblk); 394 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 395 epcm->start_addr = 0; 396 if (! epcm->memblk) 397 return -ENOMEM; 398 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 399 if (mapped < 0) 400 return -ENOMEM; 401 epcm->start_addr = mapped << PAGE_SHIFT; 402 } 403 return 0; 404} 405 406static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 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; 411 412 if (runtime->private_data == NULL) 413 return 0; 414 epcm = runtime->private_data; 415 if (epcm->extra) { 416 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 417 epcm->extra = NULL; 418 } 419 if (epcm->voices[1]) { 420 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 421 epcm->voices[1] = NULL; 422 } 423 if (epcm->voices[0]) { 424 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 425 epcm->voices[0] = NULL; 426 } 427 if (epcm->memblk) { 428 snd_emu10k1_free_pages(emu, epcm->memblk); 429 epcm->memblk = NULL; 430 epcm->start_addr = 0; 431 } 432 snd_pcm_lib_free_pages(substream); 433 return 0; 434} 435 436static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 437{ 438 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 439 struct snd_pcm_runtime *runtime = substream->runtime; 440 struct snd_emu10k1_pcm *epcm; 441 int i; 442 443 if (runtime->private_data == NULL) 444 return 0; 445 epcm = runtime->private_data; 446 if (epcm->extra) { 447 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 448 epcm->extra = NULL; 449 } 450 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 451 if (epcm->voices[i]) { 452 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 453 epcm->voices[i] = NULL; 454 } 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 465static int snd_emu10k1_playback_prepare(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 = runtime->private_data; 470 unsigned int start_addr, end_addr; 471 472 start_addr = epcm->start_addr; 473 end_addr = snd_pcm_lib_period_bytes(substream); 474 if (runtime->channels == 2) { 475 start_addr >>= 1; 476 end_addr >>= 1; 477 } 478 end_addr += start_addr; 479 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 480 start_addr, end_addr, NULL); 481 start_addr = epcm->start_addr; 482 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 483 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 484 start_addr, end_addr, 485 &emu->pcm_mixer[substream->number]); 486 if (epcm->voices[1]) 487 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 488 start_addr, end_addr, 489 &emu->pcm_mixer[substream->number]); 490 return 0; 491} 492 493static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 494{ 495 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 496 struct snd_pcm_runtime *runtime = substream->runtime; 497 struct snd_emu10k1_pcm *epcm = runtime->private_data; 498 unsigned int start_addr, end_addr; 499 unsigned int channel_size; 500 int i; 501 502 start_addr = epcm->start_addr; 503 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 504 505 /* 506 * the kX driver leaves some space between voices 507 */ 508 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 509 510 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 511 start_addr, start_addr + (channel_size / 2), NULL); 512 513 /* only difference with the master voice is we use it for the pointer */ 514 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 515 start_addr, start_addr + channel_size, 516 &emu->efx_pcm_mixer[0]); 517 518 start_addr += channel_size; 519 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 520 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 521 start_addr, start_addr + channel_size, 522 &emu->efx_pcm_mixer[i]); 523 start_addr += channel_size; 524 } 525 526 return 0; 527} 528 529static struct snd_pcm_hardware snd_emu10k1_efx_playback = 530{ 531 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 532 SNDRV_PCM_INFO_BLOCK_TRANSFER | 533 SNDRV_PCM_INFO_RESUME | 534 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 535 .formats = SNDRV_PCM_FMTBIT_S16_LE, 536 .rates = SNDRV_PCM_RATE_48000, 537 .rate_min = 48000, 538 .rate_max = 48000, 539 .channels_min = NUM_EFX_PLAYBACK, 540 .channels_max = NUM_EFX_PLAYBACK, 541 .buffer_bytes_max = (64*1024), 542 .period_bytes_min = 64, 543 .period_bytes_max = (64*1024), 544 .periods_min = 2, 545 .periods_max = 2, 546 .fifo_size = 0, 547}; 548 549static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 550 struct snd_pcm_hw_params *hw_params) 551{ 552 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 553} 554 555static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 556{ 557 return snd_pcm_lib_free_pages(substream); 558} 559 560static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 561{ 562 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 563 struct snd_pcm_runtime *runtime = substream->runtime; 564 struct snd_emu10k1_pcm *epcm = runtime->private_data; 565 int idx; 566 567 /* zeroing the buffer size will stop capture */ 568 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 569 switch (epcm->type) { 570 case CAPTURE_AC97ADC: 571 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 572 break; 573 case CAPTURE_EFX: 574 if (emu->audigy) { 575 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 576 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 577 } else 578 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 579 break; 580 default: 581 break; 582 } 583 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 584 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 585 epcm->capture_bs_val = 0; 586 for (idx = 0; idx < 31; idx++) { 587 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 588 epcm->capture_bs_val = idx + 1; 589 break; 590 } 591 } 592 if (epcm->capture_bs_val == 0) { 593 snd_BUG(); 594 epcm->capture_bs_val++; 595 } 596 if (epcm->type == CAPTURE_AC97ADC) { 597 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 598 if (runtime->channels > 1) 599 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 600 epcm->capture_cr_val |= emu->audigy ? 601 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 602 snd_emu10k1_capture_rate_reg(runtime->rate); 603 } 604 return 0; 605} 606 607static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 608{ 609 struct snd_pcm_runtime *runtime; 610 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 611 612 if (evoice == NULL) 613 return; 614 runtime = evoice->epcm->substream->runtime; 615 voice = evoice->number; 616 stereo = (!extra && runtime->channels == 2); 617 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 618 ccis = emu10k1_ccis(stereo, sample == 0); 619 /* set cs to 2 * number of cache registers beside the invalidated */ 620 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 621 if (cs > 16) cs = 16; 622 for (i = 0; i < cs; i++) { 623 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 624 if (stereo) { 625 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 626 } 627 } 628 /* reset cache */ 629 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 630 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 631 if (stereo) { 632 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 633 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 634 } 635 /* fill cache */ 636 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 637 if (stereo) { 638 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 639 } 640} 641 642static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 643 int master, int extra, 644 struct snd_emu10k1_pcm_mixer *mix) 645{ 646 struct snd_pcm_substream *substream; 647 struct snd_pcm_runtime *runtime; 648 unsigned int attn, vattn; 649 unsigned int voice, tmp; 650 651 if (evoice == NULL) /* skip second voice for mono */ 652 return; 653 substream = evoice->epcm->substream; 654 runtime = substream->runtime; 655 voice = evoice->number; 656 657 attn = extra ? 0 : 0x00ff; 658 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 659 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 660 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 661 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 662 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 663 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 664 snd_emu10k1_voice_clear_loop_stop(emu, voice); 665} 666 667static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 668{ 669 struct snd_pcm_substream *substream; 670 struct snd_pcm_runtime *runtime; 671 unsigned int voice, pitch, pitch_target; 672 673 if (evoice == NULL) /* skip second voice for mono */ 674 return; 675 substream = evoice->epcm->substream; 676 runtime = substream->runtime; 677 voice = evoice->number; 678 679 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 680 if (emu->card_capabilities->emu1010) 681 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 682 else 683 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 684 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 685 if (master || evoice->epcm->type == PLAYBACK_EFX) 686 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 687 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 688 if (extra) 689 snd_emu10k1_voice_intr_enable(emu, voice); 690} 691 692static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 693{ 694 unsigned int voice; 695 696 if (evoice == NULL) 697 return; 698 voice = evoice->number; 699 snd_emu10k1_voice_intr_disable(emu, voice); 700 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 701 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 702 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 703 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 704 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 705 snd_emu10k1_ptr_write(emu, IP, voice, 0); 706} 707 708static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 709 int cmd) 710{ 711 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 712 struct snd_pcm_runtime *runtime = substream->runtime; 713 struct snd_emu10k1_pcm *epcm = runtime->private_data; 714 struct snd_emu10k1_pcm_mixer *mix; 715 int result = 0; 716 717 /* printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); */ 718 spin_lock(&emu->reg_lock); 719 switch (cmd) { 720 case SNDRV_PCM_TRIGGER_START: 721 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 722 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 723 /* follow thru */ 724 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 725 case SNDRV_PCM_TRIGGER_RESUME: 726 mix = &emu->pcm_mixer[substream->number]; 727 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 728 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 729 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 730 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 731 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 732 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 733 epcm->running = 1; 734 break; 735 case SNDRV_PCM_TRIGGER_STOP: 736 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 737 case SNDRV_PCM_TRIGGER_SUSPEND: 738 epcm->running = 0; 739 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 740 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 741 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 742 break; 743 default: 744 result = -EINVAL; 745 break; 746 } 747 spin_unlock(&emu->reg_lock); 748 return result; 749} 750 751static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 752 int cmd) 753{ 754 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 755 struct snd_pcm_runtime *runtime = substream->runtime; 756 struct snd_emu10k1_pcm *epcm = runtime->private_data; 757 int result = 0; 758 759 spin_lock(&emu->reg_lock); 760 switch (cmd) { 761 case SNDRV_PCM_TRIGGER_START: 762 case SNDRV_PCM_TRIGGER_RESUME: 763 /* hmm this should cause full and half full interrupt to be raised? */ 764 outl(epcm->capture_ipr, emu->port + IPR); 765 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 766 /* printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); */ 767 switch (epcm->type) { 768 case CAPTURE_AC97ADC: 769 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 770 break; 771 case CAPTURE_EFX: 772 if (emu->audigy) { 773 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 774 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 775 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); 776 } else 777 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 778 break; 779 default: 780 break; 781 } 782 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 783 epcm->running = 1; 784 epcm->first_ptr = 1; 785 break; 786 case SNDRV_PCM_TRIGGER_STOP: 787 case SNDRV_PCM_TRIGGER_SUSPEND: 788 epcm->running = 0; 789 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 790 outl(epcm->capture_ipr, emu->port + IPR); 791 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 792 switch (epcm->type) { 793 case CAPTURE_AC97ADC: 794 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 795 break; 796 case CAPTURE_EFX: 797 if (emu->audigy) { 798 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 799 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 800 } else 801 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 802 break; 803 default: 804 break; 805 } 806 break; 807 default: 808 result = -EINVAL; 809 } 810 spin_unlock(&emu->reg_lock); 811 return result; 812} 813 814static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 815{ 816 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 817 struct snd_pcm_runtime *runtime = substream->runtime; 818 struct snd_emu10k1_pcm *epcm = runtime->private_data; 819 unsigned int ptr; 820 821 if (!epcm->running) 822 return 0; 823 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 824 if (ptr < epcm->ccca_start_addr) 825 ptr += runtime->buffer_size - epcm->ccca_start_addr; 826 else { 827 ptr -= epcm->ccca_start_addr; 828 if (ptr >= runtime->buffer_size) 829 ptr -= runtime->buffer_size; 830 } 831 /* printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); */ 832 return ptr; 833} 834 835 836static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 837 int cmd) 838{ 839 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 840 struct snd_pcm_runtime *runtime = substream->runtime; 841 struct snd_emu10k1_pcm *epcm = runtime->private_data; 842 int i; 843 int result = 0; 844 845 spin_lock(&emu->reg_lock); 846 switch (cmd) { 847 case SNDRV_PCM_TRIGGER_START: 848 /* prepare voices */ 849 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 850 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 851 } 852 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 853 854 /* follow thru */ 855 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 856 case SNDRV_PCM_TRIGGER_RESUME: 857 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 858 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 859 &emu->efx_pcm_mixer[0]); 860 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 861 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 862 &emu->efx_pcm_mixer[i]); 863 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 864 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 865 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 866 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 867 epcm->running = 1; 868 break; 869 case SNDRV_PCM_TRIGGER_SUSPEND: 870 case SNDRV_PCM_TRIGGER_STOP: 871 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 872 epcm->running = 0; 873 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 874 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 875 } 876 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 877 break; 878 default: 879 result = -EINVAL; 880 break; 881 } 882 spin_unlock(&emu->reg_lock); 883 return result; 884} 885 886 887static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 888{ 889 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 890 struct snd_pcm_runtime *runtime = substream->runtime; 891 struct snd_emu10k1_pcm *epcm = runtime->private_data; 892 unsigned int ptr; 893 894 if (!epcm->running) 895 return 0; 896 if (epcm->first_ptr) { 897 udelay(50); /* hack, it takes awhile until capture is started */ 898 epcm->first_ptr = 0; 899 } 900 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 901 return bytes_to_frames(runtime, ptr); 902} 903 904/* 905 * Playback support device description 906 */ 907 908static struct snd_pcm_hardware snd_emu10k1_playback = 909{ 910 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 911 SNDRV_PCM_INFO_BLOCK_TRANSFER | 912 SNDRV_PCM_INFO_RESUME | 913 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 914 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 915 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 916 .rate_min = 4000, 917 .rate_max = 96000, 918 .channels_min = 1, 919 .channels_max = 2, 920 .buffer_bytes_max = (128*1024), 921 .period_bytes_min = 64, 922 .period_bytes_max = (128*1024), 923 .periods_min = 1, 924 .periods_max = 1024, 925 .fifo_size = 0, 926}; 927 928/* 929 * Capture support device description 930 */ 931 932static struct snd_pcm_hardware snd_emu10k1_capture = 933{ 934 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 935 SNDRV_PCM_INFO_BLOCK_TRANSFER | 936 SNDRV_PCM_INFO_RESUME | 937 SNDRV_PCM_INFO_MMAP_VALID), 938 .formats = SNDRV_PCM_FMTBIT_S16_LE, 939 .rates = SNDRV_PCM_RATE_8000_48000, 940 .rate_min = 8000, 941 .rate_max = 48000, 942 .channels_min = 1, 943 .channels_max = 2, 944 .buffer_bytes_max = (64*1024), 945 .period_bytes_min = 384, 946 .period_bytes_max = (64*1024), 947 .periods_min = 2, 948 .periods_max = 2, 949 .fifo_size = 0, 950}; 951 952static struct snd_pcm_hardware snd_emu10k1_capture_efx = 953{ 954 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 955 SNDRV_PCM_INFO_BLOCK_TRANSFER | 956 SNDRV_PCM_INFO_RESUME | 957 SNDRV_PCM_INFO_MMAP_VALID), 958 .formats = SNDRV_PCM_FMTBIT_S16_LE, 959 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 960 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 961 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 962 .rate_min = 44100, 963 .rate_max = 192000, 964 .channels_min = 8, 965 .channels_max = 8, 966 .buffer_bytes_max = (64*1024), 967 .period_bytes_min = 384, 968 .period_bytes_max = (64*1024), 969 .periods_min = 2, 970 .periods_max = 2, 971 .fifo_size = 0, 972}; 973 974/* 975 * 976 */ 977 978static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 979{ 980 struct snd_ctl_elem_id id; 981 982 if (! kctl) 983 return; 984 if (activate) 985 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 986 else 987 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 988 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 989 SNDRV_CTL_EVENT_MASK_INFO, 990 snd_ctl_build_ioff(&id, kctl, idx)); 991} 992 993static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 994{ 995 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 996 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 997 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 998} 999 1000static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1001{ 1002 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1003 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1004 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1005} 1006 1007static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1008{ 1009 kfree(runtime->private_data); 1010} 1011 1012static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1013{ 1014 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1015 struct snd_emu10k1_pcm_mixer *mix; 1016 int i; 1017 1018 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1019 mix = &emu->efx_pcm_mixer[i]; 1020 mix->epcm = NULL; 1021 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1022 } 1023 return 0; 1024} 1025 1026static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1027{ 1028 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1029 struct snd_emu10k1_pcm *epcm; 1030 struct snd_emu10k1_pcm_mixer *mix; 1031 struct snd_pcm_runtime *runtime = substream->runtime; 1032 int i; 1033 1034 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1035 if (epcm == NULL) 1036 return -ENOMEM; 1037 epcm->emu = emu; 1038 epcm->type = PLAYBACK_EFX; 1039 epcm->substream = substream; 1040 1041 emu->pcm_playback_efx_substream = substream; 1042 1043 runtime->private_data = epcm; 1044 runtime->private_free = snd_emu10k1_pcm_free_substream; 1045 runtime->hw = snd_emu10k1_efx_playback; 1046 1047 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1048 mix = &emu->efx_pcm_mixer[i]; 1049 mix->send_routing[0][0] = i; 1050 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1051 mix->send_volume[0][0] = 255; 1052 mix->attn[0] = 0xffff; 1053 mix->epcm = epcm; 1054 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1055 } 1056 return 0; 1057} 1058 1059static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1060{ 1061 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1062 struct snd_emu10k1_pcm *epcm; 1063 struct snd_emu10k1_pcm_mixer *mix; 1064 struct snd_pcm_runtime *runtime = substream->runtime; 1065 int i, err; 1066 1067 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1068 if (epcm == NULL) 1069 return -ENOMEM; 1070 epcm->emu = emu; 1071 epcm->type = PLAYBACK_EMUVOICE; 1072 epcm->substream = substream; 1073 runtime->private_data = epcm; 1074 runtime->private_free = snd_emu10k1_pcm_free_substream; 1075 runtime->hw = snd_emu10k1_playback; 1076 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1077 kfree(epcm); 1078 return err; 1079 } 1080 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1081 kfree(epcm); 1082 return err; 1083 } 1084 mix = &emu->pcm_mixer[substream->number]; 1085 for (i = 0; i < 4; i++) 1086 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1087 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1088 mix->send_volume[0][0] = mix->send_volume[0][1] = 1089 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1090 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1091 mix->epcm = epcm; 1092 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1093 return 0; 1094} 1095 1096static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1097{ 1098 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1099 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1100 1101 mix->epcm = NULL; 1102 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1103 return 0; 1104} 1105 1106static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1107{ 1108 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1109 struct snd_pcm_runtime *runtime = substream->runtime; 1110 struct snd_emu10k1_pcm *epcm; 1111 1112 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1113 if (epcm == NULL) 1114 return -ENOMEM; 1115 epcm->emu = emu; 1116 epcm->type = CAPTURE_AC97ADC; 1117 epcm->substream = substream; 1118 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1119 epcm->capture_inte = INTE_ADCBUFENABLE; 1120 epcm->capture_ba_reg = ADCBA; 1121 epcm->capture_bs_reg = ADCBS; 1122 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1123 runtime->private_data = epcm; 1124 runtime->private_free = snd_emu10k1_pcm_free_substream; 1125 runtime->hw = snd_emu10k1_capture; 1126 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1127 emu->pcm_capture_substream = substream; 1128 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1129 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1130 return 0; 1131} 1132 1133static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1134{ 1135 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1136 1137 emu->capture_interrupt = NULL; 1138 emu->pcm_capture_substream = NULL; 1139 return 0; 1140} 1141 1142static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1143{ 1144 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1145 struct snd_emu10k1_pcm *epcm; 1146 struct snd_pcm_runtime *runtime = substream->runtime; 1147 1148 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1149 if (epcm == NULL) 1150 return -ENOMEM; 1151 epcm->emu = emu; 1152 epcm->type = CAPTURE_AC97MIC; 1153 epcm->substream = substream; 1154 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1155 epcm->capture_inte = INTE_MICBUFENABLE; 1156 epcm->capture_ba_reg = MICBA; 1157 epcm->capture_bs_reg = MICBS; 1158 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1159 substream->runtime->private_data = epcm; 1160 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1161 runtime->hw = snd_emu10k1_capture; 1162 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1163 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1164 runtime->hw.channels_min = 1; 1165 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1166 emu->pcm_capture_mic_substream = substream; 1167 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1168 return 0; 1169} 1170 1171static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1172{ 1173 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1174 1175 emu->capture_interrupt = NULL; 1176 emu->pcm_capture_mic_substream = NULL; 1177 return 0; 1178} 1179 1180static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1181{ 1182 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1183 struct snd_emu10k1_pcm *epcm; 1184 struct snd_pcm_runtime *runtime = substream->runtime; 1185 int nefx = emu->audigy ? 64 : 32; 1186 int idx; 1187 1188 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1189 if (epcm == NULL) 1190 return -ENOMEM; 1191 epcm->emu = emu; 1192 epcm->type = CAPTURE_EFX; 1193 epcm->substream = substream; 1194 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1195 epcm->capture_inte = INTE_EFXBUFENABLE; 1196 epcm->capture_ba_reg = FXBA; 1197 epcm->capture_bs_reg = FXBS; 1198 epcm->capture_idx_reg = FXIDX; 1199 substream->runtime->private_data = epcm; 1200 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1201 runtime->hw = snd_emu10k1_capture_efx; 1202 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1203 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1204 spin_lock_irq(&emu->reg_lock); 1205 if (emu->card_capabilities->emu1010) { 1206 /* TODO 1207 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1208 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1209 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1210 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1211 * rate_min = 44100, 1212 * rate_max = 192000, 1213 * channels_min = 8, 1214 * channels_max = 8, 1215 * Need to add mixer control to fix sample rate 1216 * 1217 * There are 16 mono channels of 16bits each. 1218 * 24bit Audio uses 2x channels over 16bit 1219 * 96kHz uses 2x channels over 48kHz 1220 * 192kHz uses 4x channels over 48kHz 1221 * So, for 48kHz 24bit, one has 8 channels 1222 * for 96kHz 24bit, one has 4 channels 1223 * for 192kHz 24bit, one has 2 channels 1224 */ 1225 switch (emu->emu1010.internal_clock) { 1226 case 0: 1227 /* For 44.1kHz */ 1228 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1229 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1230 runtime->hw.channels_min = runtime->hw.channels_max = 8; 1231 break; 1232 case 1: 1233 /* For 48kHz */ 1234 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1235 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1236 runtime->hw.channels_min = runtime->hw.channels_max = 8; 1237 break; 1238 }; 1239 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1240 /* efx_voices_mask[0] is expected to be zero 1241 * efx_voices_mask[1] is expected to have 16bits set 1242 */ 1243 } else { 1244 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1245 for (idx = 0; idx < nefx; idx++) { 1246 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1247 runtime->hw.channels_min++; 1248 runtime->hw.channels_max++; 1249 } 1250 } 1251 } 1252 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1253 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1254 spin_unlock_irq(&emu->reg_lock); 1255 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1256 emu->pcm_capture_efx_substream = substream; 1257 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1258 return 0; 1259} 1260 1261static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1262{ 1263 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1264 1265 emu->capture_interrupt = NULL; 1266 emu->pcm_capture_efx_substream = NULL; 1267 return 0; 1268} 1269 1270static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1271 .open = snd_emu10k1_playback_open, 1272 .close = snd_emu10k1_playback_close, 1273 .ioctl = snd_pcm_lib_ioctl, 1274 .hw_params = snd_emu10k1_playback_hw_params, 1275 .hw_free = snd_emu10k1_playback_hw_free, 1276 .prepare = snd_emu10k1_playback_prepare, 1277 .trigger = snd_emu10k1_playback_trigger, 1278 .pointer = snd_emu10k1_playback_pointer, 1279 .page = snd_pcm_sgbuf_ops_page, 1280}; 1281 1282static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1283 .open = snd_emu10k1_capture_open, 1284 .close = snd_emu10k1_capture_close, 1285 .ioctl = snd_pcm_lib_ioctl, 1286 .hw_params = snd_emu10k1_capture_hw_params, 1287 .hw_free = snd_emu10k1_capture_hw_free, 1288 .prepare = snd_emu10k1_capture_prepare, 1289 .trigger = snd_emu10k1_capture_trigger, 1290 .pointer = snd_emu10k1_capture_pointer, 1291}; 1292 1293/* EFX playback */ 1294static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1295 .open = snd_emu10k1_efx_playback_open, 1296 .close = snd_emu10k1_efx_playback_close, 1297 .ioctl = snd_pcm_lib_ioctl, 1298 .hw_params = snd_emu10k1_playback_hw_params, 1299 .hw_free = snd_emu10k1_efx_playback_hw_free, 1300 .prepare = snd_emu10k1_efx_playback_prepare, 1301 .trigger = snd_emu10k1_efx_playback_trigger, 1302 .pointer = snd_emu10k1_efx_playback_pointer, 1303 .page = snd_pcm_sgbuf_ops_page, 1304}; 1305 1306int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1307{ 1308 struct snd_pcm *pcm; 1309 struct snd_pcm_substream *substream; 1310 int err; 1311 1312 if (rpcm) 1313 *rpcm = NULL; 1314 1315 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1316 return err; 1317 1318 pcm->private_data = emu; 1319 1320 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1321 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1322 1323 pcm->info_flags = 0; 1324 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1325 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1326 emu->pcm = pcm; 1327 1328 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1329 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1330 return err; 1331 1332 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1333 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1334 1335 if (rpcm) 1336 *rpcm = pcm; 1337 1338 return 0; 1339} 1340 1341int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1342{ 1343 struct snd_pcm *pcm; 1344 struct snd_pcm_substream *substream; 1345 int err; 1346 1347 if (rpcm) 1348 *rpcm = NULL; 1349 1350 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1351 return err; 1352 1353 pcm->private_data = emu; 1354 1355 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1356 1357 pcm->info_flags = 0; 1358 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1359 strcpy(pcm->name, "Multichannel Playback"); 1360 emu->pcm_multi = pcm; 1361 1362 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1363 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1364 return err; 1365 1366 if (rpcm) 1367 *rpcm = pcm; 1368 1369 return 0; 1370} 1371 1372 1373static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1374 .open = snd_emu10k1_capture_mic_open, 1375 .close = snd_emu10k1_capture_mic_close, 1376 .ioctl = snd_pcm_lib_ioctl, 1377 .hw_params = snd_emu10k1_capture_hw_params, 1378 .hw_free = snd_emu10k1_capture_hw_free, 1379 .prepare = snd_emu10k1_capture_prepare, 1380 .trigger = snd_emu10k1_capture_trigger, 1381 .pointer = snd_emu10k1_capture_pointer, 1382}; 1383 1384int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1385{ 1386 struct snd_pcm *pcm; 1387 int err; 1388 1389 if (rpcm) 1390 *rpcm = NULL; 1391 1392 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1393 return err; 1394 1395 pcm->private_data = emu; 1396 1397 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1398 1399 pcm->info_flags = 0; 1400 strcpy(pcm->name, "Mic Capture"); 1401 emu->pcm_mic = pcm; 1402 1403 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1404 1405 if (rpcm) 1406 *rpcm = pcm; 1407 return 0; 1408} 1409 1410static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1411{ 1412 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1413 int nefx = emu->audigy ? 64 : 32; 1414 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1415 uinfo->count = nefx; 1416 uinfo->value.integer.min = 0; 1417 uinfo->value.integer.max = 1; 1418 return 0; 1419} 1420 1421static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1422{ 1423 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1424 int nefx = emu->audigy ? 64 : 32; 1425 int idx; 1426 1427 spin_lock_irq(&emu->reg_lock); 1428 for (idx = 0; idx < nefx; idx++) 1429 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1430 spin_unlock_irq(&emu->reg_lock); 1431 return 0; 1432} 1433 1434static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1435{ 1436 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1437 unsigned int nval[2], bits; 1438 int nefx = emu->audigy ? 64 : 32; 1439 int nefxb = emu->audigy ? 7 : 6; 1440 int change, idx; 1441 1442 nval[0] = nval[1] = 0; 1443 for (idx = 0, bits = 0; idx < nefx; idx++) 1444 if (ucontrol->value.integer.value[idx]) { 1445 nval[idx / 32] |= 1 << (idx % 32); 1446 bits++; 1447 } 1448 1449 for (idx = 0; idx < nefxb; idx++) 1450 if (1 << idx == bits) 1451 break; 1452 1453 if (idx >= nefxb) 1454 return -EINVAL; 1455 1456 spin_lock_irq(&emu->reg_lock); 1457 change = (nval[0] != emu->efx_voices_mask[0]) || 1458 (nval[1] != emu->efx_voices_mask[1]); 1459 emu->efx_voices_mask[0] = nval[0]; 1460 emu->efx_voices_mask[1] = nval[1]; 1461 spin_unlock_irq(&emu->reg_lock); 1462 return change; 1463} 1464 1465static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1466 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1467 .name = "Captured FX8010 Outputs", 1468 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1469 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1470 .put = snd_emu10k1_pcm_efx_voices_mask_put 1471}; 1472 1473static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1474 .open = snd_emu10k1_capture_efx_open, 1475 .close = snd_emu10k1_capture_efx_close, 1476 .ioctl = snd_pcm_lib_ioctl, 1477 .hw_params = snd_emu10k1_capture_hw_params, 1478 .hw_free = snd_emu10k1_capture_hw_free, 1479 .prepare = snd_emu10k1_capture_prepare, 1480 .trigger = snd_emu10k1_capture_trigger, 1481 .pointer = snd_emu10k1_capture_pointer, 1482}; 1483 1484 1485/* EFX playback */ 1486 1487#define INITIAL_TRAM_SHIFT 14 1488#define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1489 1490static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1491{ 1492 struct snd_pcm_substream *substream = private_data; 1493 snd_pcm_period_elapsed(substream); 1494} 1495 1496static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1497 unsigned short *dst_right, 1498 unsigned short *src, 1499 unsigned int count, 1500 unsigned int tram_shift) 1501{ 1502 /* printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); */ 1503 if ((tram_shift & 1) == 0) { 1504 while (count--) { 1505 *dst_left-- = *src++; 1506 *dst_right-- = *src++; 1507 } 1508 } else { 1509 while (count--) { 1510 *dst_right-- = *src++; 1511 *dst_left-- = *src++; 1512 } 1513 } 1514} 1515 1516static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1517 struct snd_pcm_indirect *rec, size_t bytes) 1518{ 1519 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1520 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1521 unsigned int tram_size = pcm->buffer_size; 1522 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1523 unsigned int frames = bytes >> 2, count; 1524 unsigned int tram_pos = pcm->tram_pos; 1525 unsigned int tram_shift = pcm->tram_shift; 1526 1527 while (frames > tram_pos) { 1528 count = tram_pos + 1; 1529 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1530 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1531 src, count, tram_shift); 1532 src += count * 2; 1533 frames -= count; 1534 tram_pos = (tram_size / 2) - 1; 1535 tram_shift++; 1536 } 1537 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1538 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1539 src, frames, tram_shift); 1540 tram_pos -= frames; 1541 pcm->tram_pos = tram_pos; 1542 pcm->tram_shift = tram_shift; 1543} 1544 1545static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1546{ 1547 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1548 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1549 1550 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1551 return 0; 1552} 1553 1554static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1555 struct snd_pcm_hw_params *hw_params) 1556{ 1557 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1558} 1559 1560static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1561{ 1562 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1563 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1564 unsigned int i; 1565 1566 for (i = 0; i < pcm->channels; i++) 1567 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1568 snd_pcm_lib_free_pages(substream); 1569 return 0; 1570} 1571 1572static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1573{ 1574 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1575 struct snd_pcm_runtime *runtime = substream->runtime; 1576 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1577 unsigned int i; 1578 1579 /* printk("prepare: etram_pages = 0x%p, dma_area = 0x%x, buffer_size = 0x%x (0x%x)\n", emu->fx8010.etram_pages, runtime->dma_area, runtime->buffer_size, runtime->buffer_size << 2); */ 1580 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1581 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1582 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1583 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1584 pcm->tram_shift = 0; 1585 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1586 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1587 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1588 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1589 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1590 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1591 for (i = 0; i < pcm->channels; i++) 1592 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1593 return 0; 1594} 1595 1596static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1597{ 1598 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1599 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1600 int result = 0; 1601 1602 spin_lock(&emu->reg_lock); 1603 switch (cmd) { 1604 case SNDRV_PCM_TRIGGER_START: 1605 /* follow thru */ 1606 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1607 case SNDRV_PCM_TRIGGER_RESUME: 1608#ifdef EMU10K1_SET_AC3_IEC958 1609 { 1610 int i; 1611 for (i = 0; i < 3; i++) { 1612 unsigned int bits; 1613 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1614 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1615 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1616 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1617 } 1618 } 1619#endif 1620 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1621 if (result < 0) 1622 goto __err; 1623 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1624 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1625 break; 1626 case SNDRV_PCM_TRIGGER_STOP: 1627 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1628 case SNDRV_PCM_TRIGGER_SUSPEND: 1629 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1630 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1631 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1632 pcm->tram_shift = 0; 1633 break; 1634 default: 1635 result = -EINVAL; 1636 break; 1637 } 1638 __err: 1639 spin_unlock(&emu->reg_lock); 1640 return result; 1641} 1642 1643static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1644{ 1645 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1646 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1647 size_t ptr; /* byte pointer */ 1648 1649 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1650 return 0; 1651 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1652 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1653} 1654 1655static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1656{ 1657 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1658 SNDRV_PCM_INFO_RESUME | 1659 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1660 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1661 .rates = SNDRV_PCM_RATE_48000, 1662 .rate_min = 48000, 1663 .rate_max = 48000, 1664 .channels_min = 1, 1665 .channels_max = 1, 1666 .buffer_bytes_max = (128*1024), 1667 .period_bytes_min = 1024, 1668 .period_bytes_max = (128*1024), 1669 .periods_min = 1, 1670 .periods_max = 1024, 1671 .fifo_size = 0, 1672}; 1673 1674static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1675{ 1676 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1677 struct snd_pcm_runtime *runtime = substream->runtime; 1678 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1679 1680 runtime->hw = snd_emu10k1_fx8010_playback; 1681 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1682 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1683 spin_lock_irq(&emu->reg_lock); 1684 if (pcm->valid == 0) { 1685 spin_unlock_irq(&emu->reg_lock); 1686 return -ENODEV; 1687 } 1688 pcm->opened = 1; 1689 spin_unlock_irq(&emu->reg_lock); 1690 return 0; 1691} 1692 1693static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1694{ 1695 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1696 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1697 1698 spin_lock_irq(&emu->reg_lock); 1699 pcm->opened = 0; 1700 spin_unlock_irq(&emu->reg_lock); 1701 return 0; 1702} 1703 1704static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1705 .open = snd_emu10k1_fx8010_playback_open, 1706 .close = snd_emu10k1_fx8010_playback_close, 1707 .ioctl = snd_pcm_lib_ioctl, 1708 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1709 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1710 .prepare = snd_emu10k1_fx8010_playback_prepare, 1711 .trigger = snd_emu10k1_fx8010_playback_trigger, 1712 .pointer = snd_emu10k1_fx8010_playback_pointer, 1713 .ack = snd_emu10k1_fx8010_playback_transfer, 1714}; 1715 1716int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1717{ 1718 struct snd_pcm *pcm; 1719 struct snd_kcontrol *kctl; 1720 int err; 1721 1722 if (rpcm) 1723 *rpcm = NULL; 1724 1725 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1726 return err; 1727 1728 pcm->private_data = emu; 1729 1730 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1731 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1732 1733 pcm->info_flags = 0; 1734 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1735 emu->pcm_efx = pcm; 1736 if (rpcm) 1737 *rpcm = pcm; 1738 1739 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1740 * to these 1741 */ 1742 1743 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1744 if (emu->audigy) { 1745 emu->efx_voices_mask[0] = 0; 1746 emu->efx_voices_mask[1] = 0xffff; 1747 } else { 1748 emu->efx_voices_mask[0] = 0xffff0000; 1749 emu->efx_voices_mask[1] = 0; 1750 } 1751 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1752 if (!kctl) 1753 return -ENOMEM; 1754 kctl->id.device = device; 1755 snd_ctl_add(emu->card, kctl); 1756 1757 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1758 1759 return 0; 1760} 1761