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 38 static 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 #if 0 48 printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 49 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 50 snd_pcm_lib_period_bytes(epcm->substream), 51 snd_pcm_lib_buffer_bytes(epcm->substream)); 52 #endif 53 snd_pcm_period_elapsed(epcm->substream); 54 } 55 56 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 57 unsigned int status) 58 { 59 #if 0 60 if (status & IPR_ADCBUFHALFFULL) { 61 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 62 return; 63 } 64 #endif 65 snd_pcm_period_elapsed(emu->pcm_capture_substream); 66 } 67 68 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 69 unsigned int status) 70 { 71 #if 0 72 if (status & IPR_MICBUFHALFFULL) { 73 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 74 return; 75 } 76 #endif 77 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 78 } 79 80 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 81 unsigned int status) 82 { 83 #if 0 84 if (status & IPR_EFXBUFHALFFULL) { 85 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 86 return; 87 } 88 #endif 89 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 90 } 91 92 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 93 { 94 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 95 struct snd_pcm_runtime *runtime = substream->runtime; 96 struct snd_emu10k1_pcm *epcm = runtime->private_data; 97 unsigned int ptr; 98 99 if (!epcm->running) 100 return 0; 101 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 102 ptr += runtime->buffer_size; 103 ptr -= epcm->ccca_start_addr; 104 ptr %= runtime->buffer_size; 105 106 return ptr; 107 } 108 109 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 110 { 111 int err, i; 112 113 if (epcm->voices[1] != NULL && voices < 2) { 114 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 115 epcm->voices[1] = NULL; 116 } 117 for (i = 0; i < voices; i++) { 118 if (epcm->voices[i] == NULL) 119 break; 120 } 121 if (i == voices) 122 return 0; /* already allocated */ 123 124 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 125 if (epcm->voices[i]) { 126 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 127 epcm->voices[i] = NULL; 128 } 129 } 130 err = snd_emu10k1_voice_alloc(epcm->emu, 131 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 132 voices, 133 &epcm->voices[0]); 134 135 if (err < 0) 136 return err; 137 epcm->voices[0]->epcm = epcm; 138 if (voices > 1) { 139 for (i = 1; i < voices; i++) { 140 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 141 epcm->voices[i]->epcm = epcm; 142 } 143 } 144 if (epcm->extra == NULL) { 145 err = snd_emu10k1_voice_alloc(epcm->emu, 146 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 147 1, 148 &epcm->extra); 149 if (err < 0) { 150 /* printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame); */ 151 for (i = 0; i < voices; i++) { 152 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 153 epcm->voices[i] = NULL; 154 } 155 return err; 156 } 157 epcm->extra->epcm = epcm; 158 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 159 } 160 return 0; 161 } 162 163 static unsigned int capture_period_sizes[31] = { 164 384, 448, 512, 640, 165 384*2, 448*2, 512*2, 640*2, 166 384*4, 448*4, 512*4, 640*4, 167 384*8, 448*8, 512*8, 640*8, 168 384*16, 448*16, 512*16, 640*16, 169 384*32, 448*32, 512*32, 640*32, 170 384*64, 448*64, 512*64, 640*64, 171 384*128,448*128,512*128 172 }; 173 174 static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 175 .count = 31, 176 .list = capture_period_sizes, 177 .mask = 0 178 }; 179 180 static unsigned int capture_rates[8] = { 181 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 182 }; 183 184 static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 185 .count = 8, 186 .list = capture_rates, 187 .mask = 0 188 }; 189 190 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 191 { 192 switch (rate) { 193 case 8000: return ADCCR_SAMPLERATE_8; 194 case 11025: return ADCCR_SAMPLERATE_11; 195 case 16000: return ADCCR_SAMPLERATE_16; 196 case 22050: return ADCCR_SAMPLERATE_22; 197 case 24000: return ADCCR_SAMPLERATE_24; 198 case 32000: return ADCCR_SAMPLERATE_32; 199 case 44100: return ADCCR_SAMPLERATE_44; 200 case 48000: return ADCCR_SAMPLERATE_48; 201 default: 202 snd_BUG(); 203 return ADCCR_SAMPLERATE_8; 204 } 205 } 206 207 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 208 { 209 switch (rate) { 210 case 8000: return A_ADCCR_SAMPLERATE_8; 211 case 11025: return A_ADCCR_SAMPLERATE_11; 212 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 213 case 16000: return ADCCR_SAMPLERATE_16; 214 case 22050: return ADCCR_SAMPLERATE_22; 215 case 24000: return ADCCR_SAMPLERATE_24; 216 case 32000: return ADCCR_SAMPLERATE_32; 217 case 44100: return ADCCR_SAMPLERATE_44; 218 case 48000: return ADCCR_SAMPLERATE_48; 219 default: 220 snd_BUG(); 221 return A_ADCCR_SAMPLERATE_8; 222 } 223 } 224 225 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 226 { 227 unsigned int pitch_target; 228 229 pitch_target = (rate << 8) / 375; 230 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 231 return pitch_target; 232 } 233 234 #define PITCH_48000 0x00004000 235 #define PITCH_96000 0x00008000 236 #define PITCH_85000 0x00007155 237 #define PITCH_80726 0x00006ba2 238 #define PITCH_67882 0x00005a82 239 #define PITCH_57081 0x00004c1c 240 241 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 242 { 243 if (pitch_target == PITCH_48000) 244 return CCCA_INTERPROM_0; 245 else if (pitch_target < PITCH_48000) 246 return CCCA_INTERPROM_1; 247 else if (pitch_target >= PITCH_96000) 248 return CCCA_INTERPROM_0; 249 else if (pitch_target >= PITCH_85000) 250 return CCCA_INTERPROM_6; 251 else if (pitch_target >= PITCH_80726) 252 return CCCA_INTERPROM_5; 253 else if (pitch_target >= PITCH_67882) 254 return CCCA_INTERPROM_4; 255 else if (pitch_target >= PITCH_57081) 256 return CCCA_INTERPROM_3; 257 else 258 return CCCA_INTERPROM_2; 259 } 260 261 /* 262 * calculate cache invalidate size 263 * 264 * stereo: channel is stereo 265 * w_16: using 16bit samples 266 * 267 * returns: cache invalidate size in samples 268 */ 269 static inline int emu10k1_ccis(int stereo, int w_16) 270 { 271 if (w_16) { 272 return stereo ? 24 : 26; 273 } else { 274 return stereo ? 24*2 : 26*2; 275 } 276 } 277 278 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 279 int master, int extra, 280 struct snd_emu10k1_voice *evoice, 281 unsigned int start_addr, 282 unsigned int end_addr, 283 struct snd_emu10k1_pcm_mixer *mix) 284 { 285 struct snd_pcm_substream *substream = evoice->epcm->substream; 286 struct snd_pcm_runtime *runtime = substream->runtime; 287 unsigned int silent_page, tmp; 288 int voice, stereo, w_16; 289 unsigned char attn, send_amount[8]; 290 unsigned char send_routing[8]; 291 unsigned long flags; 292 unsigned int pitch_target; 293 unsigned int ccis; 294 295 voice = evoice->number; 296 stereo = runtime->channels == 2; 297 w_16 = snd_pcm_format_width(runtime->format) == 16; 298 299 if (!extra && stereo) { 300 start_addr >>= 1; 301 end_addr >>= 1; 302 } 303 if (w_16) { 304 start_addr >>= 1; 305 end_addr >>= 1; 306 } 307 308 spin_lock_irqsave(&emu->reg_lock, flags); 309 310 /* volume parameters */ 311 if (extra) { 312 attn = 0; 313 memset(send_routing, 0, sizeof(send_routing)); 314 send_routing[0] = 0; 315 send_routing[1] = 1; 316 send_routing[2] = 2; 317 send_routing[3] = 3; 318 memset(send_amount, 0, sizeof(send_amount)); 319 } else { 320 /* mono, left, right (master voice = left) */ 321 tmp = stereo ? (master ? 1 : 2) : 0; 322 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 323 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 324 } 325 326 ccis = emu10k1_ccis(stereo, w_16); 327 328 if (master) { 329 evoice->epcm->ccca_start_addr = start_addr + ccis; 330 if (extra) { 331 start_addr += ccis; 332 end_addr += ccis; 333 } 334 if (stereo && !extra) { 335 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 336 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 337 } else { 338 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 339 } 340 } 341 342 /* setup routing */ 343 if (emu->audigy) { 344 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 345 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 346 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 347 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 348 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 349 ((unsigned int)send_amount[4] << 24) | 350 ((unsigned int)send_amount[5] << 16) | 351 ((unsigned int)send_amount[6] << 8) | 352 (unsigned int)send_amount[7]); 353 } else 354 snd_emu10k1_ptr_write(emu, FXRT, voice, 355 snd_emu10k1_compose_send_routing(send_routing)); 356 /* Stop CA */ 357 /* Assumption that PT is already 0 so no harm overwriting */ 358 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 359 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 360 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24)); 361 if (emu->card_capabilities->emu1010) 362 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 363 else 364 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 365 if (extra) 366 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 367 emu10k1_select_interprom(pitch_target) | 368 (w_16 ? 0 : CCCA_8BITSELECT)); 369 else 370 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 371 emu10k1_select_interprom(pitch_target) | 372 (w_16 ? 0 : CCCA_8BITSELECT)); 373 /* Clear filter delay memory */ 374 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 375 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 376 /* invalidate maps */ 377 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; 378 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 379 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 380 /* modulation envelope */ 381 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 382 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 383 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 384 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 385 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 386 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 387 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 388 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 389 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 390 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 391 /* volume envelope */ 392 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 393 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 394 /* filter envelope */ 395 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 396 /* pitch envelope */ 397 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 398 399 spin_unlock_irqrestore(&emu->reg_lock, flags); 400 } 401 402 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 403 struct snd_pcm_hw_params *hw_params) 404 { 405 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 406 struct snd_pcm_runtime *runtime = substream->runtime; 407 struct snd_emu10k1_pcm *epcm = runtime->private_data; 408 int err; 409 410 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 411 return err; 412 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 413 return err; 414 if (err > 0) { /* change */ 415 int mapped; 416 if (epcm->memblk != NULL) 417 snd_emu10k1_free_pages(emu, epcm->memblk); 418 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 419 epcm->start_addr = 0; 420 if (! epcm->memblk) 421 return -ENOMEM; 422 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 423 if (mapped < 0) 424 return -ENOMEM; 425 epcm->start_addr = mapped << PAGE_SHIFT; 426 } 427 return 0; 428 } 429 430 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 431 { 432 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 433 struct snd_pcm_runtime *runtime = substream->runtime; 434 struct snd_emu10k1_pcm *epcm; 435 436 if (runtime->private_data == NULL) 437 return 0; 438 epcm = runtime->private_data; 439 if (epcm->extra) { 440 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 441 epcm->extra = NULL; 442 } 443 if (epcm->voices[1]) { 444 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 445 epcm->voices[1] = NULL; 446 } 447 if (epcm->voices[0]) { 448 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 449 epcm->voices[0] = NULL; 450 } 451 if (epcm->memblk) { 452 snd_emu10k1_free_pages(emu, epcm->memblk); 453 epcm->memblk = NULL; 454 epcm->start_addr = 0; 455 } 456 snd_pcm_lib_free_pages(substream); 457 return 0; 458 } 459 460 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 461 { 462 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 463 struct snd_pcm_runtime *runtime = substream->runtime; 464 struct snd_emu10k1_pcm *epcm; 465 int i; 466 467 if (runtime->private_data == NULL) 468 return 0; 469 epcm = runtime->private_data; 470 if (epcm->extra) { 471 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 472 epcm->extra = NULL; 473 } 474 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 475 if (epcm->voices[i]) { 476 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 477 epcm->voices[i] = NULL; 478 } 479 } 480 if (epcm->memblk) { 481 snd_emu10k1_free_pages(emu, epcm->memblk); 482 epcm->memblk = NULL; 483 epcm->start_addr = 0; 484 } 485 snd_pcm_lib_free_pages(substream); 486 return 0; 487 } 488 489 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 490 { 491 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 492 struct snd_pcm_runtime *runtime = substream->runtime; 493 struct snd_emu10k1_pcm *epcm = runtime->private_data; 494 unsigned int start_addr, end_addr; 495 496 start_addr = epcm->start_addr; 497 end_addr = snd_pcm_lib_period_bytes(substream); 498 if (runtime->channels == 2) { 499 start_addr >>= 1; 500 end_addr >>= 1; 501 } 502 end_addr += start_addr; 503 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 504 start_addr, end_addr, NULL); 505 start_addr = epcm->start_addr; 506 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 507 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 508 start_addr, end_addr, 509 &emu->pcm_mixer[substream->number]); 510 if (epcm->voices[1]) 511 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 512 start_addr, end_addr, 513 &emu->pcm_mixer[substream->number]); 514 return 0; 515 } 516 517 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 518 { 519 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 520 struct snd_pcm_runtime *runtime = substream->runtime; 521 struct snd_emu10k1_pcm *epcm = runtime->private_data; 522 unsigned int start_addr, end_addr; 523 unsigned int channel_size; 524 int i; 525 526 start_addr = epcm->start_addr; 527 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 528 529 /* 530 * the kX driver leaves some space between voices 531 */ 532 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 533 534 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 535 start_addr, start_addr + (channel_size / 2), NULL); 536 537 /* only difference with the master voice is we use it for the pointer */ 538 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 539 start_addr, start_addr + channel_size, 540 &emu->efx_pcm_mixer[0]); 541 542 start_addr += channel_size; 543 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 544 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 545 start_addr, start_addr + channel_size, 546 &emu->efx_pcm_mixer[i]); 547 start_addr += channel_size; 548 } 549 550 return 0; 551 } 552 553 static struct snd_pcm_hardware snd_emu10k1_efx_playback = 554 { 555 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 556 SNDRV_PCM_INFO_BLOCK_TRANSFER | 557 SNDRV_PCM_INFO_RESUME | 558 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 559 .formats = SNDRV_PCM_FMTBIT_S16_LE, 560 .rates = SNDRV_PCM_RATE_48000, 561 .rate_min = 48000, 562 .rate_max = 48000, 563 .channels_min = NUM_EFX_PLAYBACK, 564 .channels_max = NUM_EFX_PLAYBACK, 565 .buffer_bytes_max = (64*1024), 566 .period_bytes_min = 64, 567 .period_bytes_max = (64*1024), 568 .periods_min = 2, 569 .periods_max = 2, 570 .fifo_size = 0, 571 }; 572 573 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 574 struct snd_pcm_hw_params *hw_params) 575 { 576 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 577 } 578 579 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 580 { 581 return snd_pcm_lib_free_pages(substream); 582 } 583 584 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 585 { 586 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 587 struct snd_pcm_runtime *runtime = substream->runtime; 588 struct snd_emu10k1_pcm *epcm = runtime->private_data; 589 int idx; 590 591 /* zeroing the buffer size will stop capture */ 592 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 593 switch (epcm->type) { 594 case CAPTURE_AC97ADC: 595 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 596 break; 597 case CAPTURE_EFX: 598 if (emu->audigy) { 599 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 600 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 601 } else 602 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 603 break; 604 default: 605 break; 606 } 607 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 608 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 609 epcm->capture_bs_val = 0; 610 for (idx = 0; idx < 31; idx++) { 611 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 612 epcm->capture_bs_val = idx + 1; 613 break; 614 } 615 } 616 if (epcm->capture_bs_val == 0) { 617 snd_BUG(); 618 epcm->capture_bs_val++; 619 } 620 if (epcm->type == CAPTURE_AC97ADC) { 621 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 622 if (runtime->channels > 1) 623 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 624 epcm->capture_cr_val |= emu->audigy ? 625 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 626 snd_emu10k1_capture_rate_reg(runtime->rate); 627 } 628 return 0; 629 } 630 631 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 632 { 633 struct snd_pcm_runtime *runtime; 634 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 635 636 if (evoice == NULL) 637 return; 638 runtime = evoice->epcm->substream->runtime; 639 voice = evoice->number; 640 stereo = (!extra && runtime->channels == 2); 641 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 642 ccis = emu10k1_ccis(stereo, sample == 0); 643 /* set cs to 2 * number of cache registers beside the invalidated */ 644 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 645 if (cs > 16) cs = 16; 646 for (i = 0; i < cs; i++) { 647 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 648 if (stereo) { 649 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 650 } 651 } 652 /* reset cache */ 653 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 654 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 655 if (stereo) { 656 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 657 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 658 } 659 /* fill cache */ 660 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 661 if (stereo) { 662 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 663 } 664 } 665 666 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 667 int master, int extra, 668 struct snd_emu10k1_pcm_mixer *mix) 669 { 670 struct snd_pcm_substream *substream; 671 struct snd_pcm_runtime *runtime; 672 unsigned int attn, vattn; 673 unsigned int voice, tmp; 674 675 if (evoice == NULL) /* skip second voice for mono */ 676 return; 677 substream = evoice->epcm->substream; 678 runtime = substream->runtime; 679 voice = evoice->number; 680 681 attn = extra ? 0 : 0x00ff; 682 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 683 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 684 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 685 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 686 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 687 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 688 snd_emu10k1_voice_clear_loop_stop(emu, voice); 689 } 690 691 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 692 { 693 struct snd_pcm_substream *substream; 694 struct snd_pcm_runtime *runtime; 695 unsigned int voice, pitch, pitch_target; 696 697 if (evoice == NULL) /* skip second voice for mono */ 698 return; 699 substream = evoice->epcm->substream; 700 runtime = substream->runtime; 701 voice = evoice->number; 702 703 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 704 if (emu->card_capabilities->emu1010) 705 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 706 else 707 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 708 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 709 if (master || evoice->epcm->type == PLAYBACK_EFX) 710 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 711 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 712 if (extra) 713 snd_emu10k1_voice_intr_enable(emu, voice); 714 } 715 716 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 717 { 718 unsigned int voice; 719 720 if (evoice == NULL) 721 return; 722 voice = evoice->number; 723 snd_emu10k1_voice_intr_disable(emu, voice); 724 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 725 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 726 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 727 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 728 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 729 snd_emu10k1_ptr_write(emu, IP, voice, 0); 730 } 731 732 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 733 int cmd) 734 { 735 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 736 struct snd_pcm_runtime *runtime = substream->runtime; 737 struct snd_emu10k1_pcm *epcm = runtime->private_data; 738 struct snd_emu10k1_pcm_mixer *mix; 739 int result = 0; 740 741 /* printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); */ 742 spin_lock(&emu->reg_lock); 743 switch (cmd) { 744 case SNDRV_PCM_TRIGGER_START: 745 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 746 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 747 /* follow thru */ 748 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 749 case SNDRV_PCM_TRIGGER_RESUME: 750 mix = &emu->pcm_mixer[substream->number]; 751 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 752 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 753 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 754 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 755 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 756 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 757 epcm->running = 1; 758 break; 759 case SNDRV_PCM_TRIGGER_STOP: 760 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 761 case SNDRV_PCM_TRIGGER_SUSPEND: 762 epcm->running = 0; 763 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 764 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 765 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 766 break; 767 default: 768 result = -EINVAL; 769 break; 770 } 771 spin_unlock(&emu->reg_lock); 772 return result; 773 } 774 775 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 776 int cmd) 777 { 778 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 779 struct snd_pcm_runtime *runtime = substream->runtime; 780 struct snd_emu10k1_pcm *epcm = runtime->private_data; 781 int result = 0; 782 783 spin_lock(&emu->reg_lock); 784 switch (cmd) { 785 case SNDRV_PCM_TRIGGER_START: 786 case SNDRV_PCM_TRIGGER_RESUME: 787 /* hmm this should cause full and half full interrupt to be raised? */ 788 outl(epcm->capture_ipr, emu->port + IPR); 789 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 790 /* printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); */ 791 switch (epcm->type) { 792 case CAPTURE_AC97ADC: 793 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 794 break; 795 case CAPTURE_EFX: 796 if (emu->audigy) { 797 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 798 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 799 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); 800 } else 801 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 802 break; 803 default: 804 break; 805 } 806 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 807 epcm->running = 1; 808 epcm->first_ptr = 1; 809 break; 810 case SNDRV_PCM_TRIGGER_STOP: 811 case SNDRV_PCM_TRIGGER_SUSPEND: 812 epcm->running = 0; 813 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 814 outl(epcm->capture_ipr, emu->port + IPR); 815 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 816 switch (epcm->type) { 817 case CAPTURE_AC97ADC: 818 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 819 break; 820 case CAPTURE_EFX: 821 if (emu->audigy) { 822 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 823 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 824 } else 825 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 826 break; 827 default: 828 break; 829 } 830 break; 831 default: 832 result = -EINVAL; 833 } 834 spin_unlock(&emu->reg_lock); 835 return result; 836 } 837 838 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 839 { 840 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 841 struct snd_pcm_runtime *runtime = substream->runtime; 842 struct snd_emu10k1_pcm *epcm = runtime->private_data; 843 unsigned int ptr; 844 845 if (!epcm->running) 846 return 0; 847 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 848 #if 0 /* Perex's code */ 849 ptr += runtime->buffer_size; 850 ptr -= epcm->ccca_start_addr; 851 ptr %= runtime->buffer_size; 852 #else /* EMU10K1 Open Source code from Creative */ 853 if (ptr < epcm->ccca_start_addr) 854 ptr += runtime->buffer_size - epcm->ccca_start_addr; 855 else { 856 ptr -= epcm->ccca_start_addr; 857 if (ptr >= runtime->buffer_size) 858 ptr -= runtime->buffer_size; 859 } 860 #endif 861 /* printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); */ 862 return ptr; 863 } 864 865 866 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 867 int cmd) 868 { 869 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 870 struct snd_pcm_runtime *runtime = substream->runtime; 871 struct snd_emu10k1_pcm *epcm = runtime->private_data; 872 int i; 873 int result = 0; 874 875 spin_lock(&emu->reg_lock); 876 switch (cmd) { 877 case SNDRV_PCM_TRIGGER_START: 878 /* prepare voices */ 879 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 880 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 881 } 882 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 883 884 /* follow thru */ 885 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 886 case SNDRV_PCM_TRIGGER_RESUME: 887 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 888 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 889 &emu->efx_pcm_mixer[0]); 890 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 891 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 892 &emu->efx_pcm_mixer[i]); 893 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 894 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 895 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 896 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 897 epcm->running = 1; 898 break; 899 case SNDRV_PCM_TRIGGER_SUSPEND: 900 case SNDRV_PCM_TRIGGER_STOP: 901 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 902 epcm->running = 0; 903 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 904 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 905 } 906 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 907 break; 908 default: 909 result = -EINVAL; 910 break; 911 } 912 spin_unlock(&emu->reg_lock); 913 return result; 914 } 915 916 917 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 918 { 919 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 920 struct snd_pcm_runtime *runtime = substream->runtime; 921 struct snd_emu10k1_pcm *epcm = runtime->private_data; 922 unsigned int ptr; 923 924 if (!epcm->running) 925 return 0; 926 if (epcm->first_ptr) { 927 udelay(50); /* hack, it takes awhile until capture is started */ 928 epcm->first_ptr = 0; 929 } 930 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 931 return bytes_to_frames(runtime, ptr); 932 } 933 934 /* 935 * Playback support device description 936 */ 937 938 static struct snd_pcm_hardware snd_emu10k1_playback = 939 { 940 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 941 SNDRV_PCM_INFO_BLOCK_TRANSFER | 942 SNDRV_PCM_INFO_RESUME | 943 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 944 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 945 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 946 .rate_min = 4000, 947 .rate_max = 96000, 948 .channels_min = 1, 949 .channels_max = 2, 950 .buffer_bytes_max = (128*1024), 951 .period_bytes_min = 64, 952 .period_bytes_max = (128*1024), 953 .periods_min = 1, 954 .periods_max = 1024, 955 .fifo_size = 0, 956 }; 957 958 /* 959 * Capture support device description 960 */ 961 962 static struct snd_pcm_hardware snd_emu10k1_capture = 963 { 964 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 965 SNDRV_PCM_INFO_BLOCK_TRANSFER | 966 SNDRV_PCM_INFO_RESUME | 967 SNDRV_PCM_INFO_MMAP_VALID), 968 .formats = SNDRV_PCM_FMTBIT_S16_LE, 969 .rates = SNDRV_PCM_RATE_8000_48000, 970 .rate_min = 8000, 971 .rate_max = 48000, 972 .channels_min = 1, 973 .channels_max = 2, 974 .buffer_bytes_max = (64*1024), 975 .period_bytes_min = 384, 976 .period_bytes_max = (64*1024), 977 .periods_min = 2, 978 .periods_max = 2, 979 .fifo_size = 0, 980 }; 981 982 static struct snd_pcm_hardware snd_emu10k1_capture_efx = 983 { 984 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 985 SNDRV_PCM_INFO_BLOCK_TRANSFER | 986 SNDRV_PCM_INFO_RESUME | 987 SNDRV_PCM_INFO_MMAP_VALID), 988 .formats = SNDRV_PCM_FMTBIT_S16_LE, 989 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 990 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 991 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 992 .rate_min = 44100, 993 .rate_max = 192000, 994 .channels_min = 8, 995 .channels_max = 8, 996 .buffer_bytes_max = (64*1024), 997 .period_bytes_min = 384, 998 .period_bytes_max = (64*1024), 999 .periods_min = 2, 1000 .periods_max = 2, 1001 .fifo_size = 0, 1002 }; 1003 1004 /* 1005 * 1006 */ 1007 1008 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1009 { 1010 struct snd_ctl_elem_id id; 1011 1012 if (! kctl) 1013 return; 1014 if (activate) 1015 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1016 else 1017 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1018 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1019 SNDRV_CTL_EVENT_MASK_INFO, 1020 snd_ctl_build_ioff(&id, kctl, idx)); 1021 } 1022 1023 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1024 { 1025 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1026 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1027 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1028 } 1029 1030 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1031 { 1032 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1033 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1034 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1035 } 1036 1037 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1038 { 1039 kfree(runtime->private_data); 1040 } 1041 1042 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1043 { 1044 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1045 struct snd_emu10k1_pcm_mixer *mix; 1046 int i; 1047 1048 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1049 mix = &emu->efx_pcm_mixer[i]; 1050 mix->epcm = NULL; 1051 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1052 } 1053 return 0; 1054 } 1055 1056 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1057 { 1058 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1059 struct snd_emu10k1_pcm *epcm; 1060 struct snd_emu10k1_pcm_mixer *mix; 1061 struct snd_pcm_runtime *runtime = substream->runtime; 1062 int i; 1063 1064 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1065 if (epcm == NULL) 1066 return -ENOMEM; 1067 epcm->emu = emu; 1068 epcm->type = PLAYBACK_EFX; 1069 epcm->substream = substream; 1070 1071 emu->pcm_playback_efx_substream = substream; 1072 1073 runtime->private_data = epcm; 1074 runtime->private_free = snd_emu10k1_pcm_free_substream; 1075 runtime->hw = snd_emu10k1_efx_playback; 1076 1077 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1078 mix = &emu->efx_pcm_mixer[i]; 1079 mix->send_routing[0][0] = i; 1080 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1081 mix->send_volume[0][0] = 255; 1082 mix->attn[0] = 0xffff; 1083 mix->epcm = epcm; 1084 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1085 } 1086 return 0; 1087 } 1088 1089 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1090 { 1091 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1092 struct snd_emu10k1_pcm *epcm; 1093 struct snd_emu10k1_pcm_mixer *mix; 1094 struct snd_pcm_runtime *runtime = substream->runtime; 1095 int i, err; 1096 1097 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1098 if (epcm == NULL) 1099 return -ENOMEM; 1100 epcm->emu = emu; 1101 epcm->type = PLAYBACK_EMUVOICE; 1102 epcm->substream = substream; 1103 runtime->private_data = epcm; 1104 runtime->private_free = snd_emu10k1_pcm_free_substream; 1105 runtime->hw = snd_emu10k1_playback; 1106 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1107 kfree(epcm); 1108 return err; 1109 } 1110 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1111 kfree(epcm); 1112 return err; 1113 } 1114 mix = &emu->pcm_mixer[substream->number]; 1115 for (i = 0; i < 4; i++) 1116 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1117 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1118 mix->send_volume[0][0] = mix->send_volume[0][1] = 1119 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1120 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1121 mix->epcm = epcm; 1122 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1123 return 0; 1124 } 1125 1126 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1127 { 1128 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1129 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1130 1131 mix->epcm = NULL; 1132 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1133 return 0; 1134 } 1135 1136 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1137 { 1138 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1139 struct snd_pcm_runtime *runtime = substream->runtime; 1140 struct snd_emu10k1_pcm *epcm; 1141 1142 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1143 if (epcm == NULL) 1144 return -ENOMEM; 1145 epcm->emu = emu; 1146 epcm->type = CAPTURE_AC97ADC; 1147 epcm->substream = substream; 1148 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1149 epcm->capture_inte = INTE_ADCBUFENABLE; 1150 epcm->capture_ba_reg = ADCBA; 1151 epcm->capture_bs_reg = ADCBS; 1152 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1153 runtime->private_data = epcm; 1154 runtime->private_free = snd_emu10k1_pcm_free_substream; 1155 runtime->hw = snd_emu10k1_capture; 1156 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1157 emu->pcm_capture_substream = substream; 1158 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1159 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1160 return 0; 1161 } 1162 1163 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1164 { 1165 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1166 1167 emu->capture_interrupt = NULL; 1168 emu->pcm_capture_substream = NULL; 1169 return 0; 1170 } 1171 1172 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1173 { 1174 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1175 struct snd_emu10k1_pcm *epcm; 1176 struct snd_pcm_runtime *runtime = substream->runtime; 1177 1178 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1179 if (epcm == NULL) 1180 return -ENOMEM; 1181 epcm->emu = emu; 1182 epcm->type = CAPTURE_AC97MIC; 1183 epcm->substream = substream; 1184 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1185 epcm->capture_inte = INTE_MICBUFENABLE; 1186 epcm->capture_ba_reg = MICBA; 1187 epcm->capture_bs_reg = MICBS; 1188 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1189 substream->runtime->private_data = epcm; 1190 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1191 runtime->hw = snd_emu10k1_capture; 1192 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1193 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1194 runtime->hw.channels_min = 1; 1195 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1196 emu->pcm_capture_mic_substream = substream; 1197 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1198 return 0; 1199 } 1200 1201 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1202 { 1203 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1204 1205 emu->capture_interrupt = NULL; 1206 emu->pcm_capture_mic_substream = NULL; 1207 return 0; 1208 } 1209 1210 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1211 { 1212 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1213 struct snd_emu10k1_pcm *epcm; 1214 struct snd_pcm_runtime *runtime = substream->runtime; 1215 int nefx = emu->audigy ? 64 : 32; 1216 int idx; 1217 1218 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1219 if (epcm == NULL) 1220 return -ENOMEM; 1221 epcm->emu = emu; 1222 epcm->type = CAPTURE_EFX; 1223 epcm->substream = substream; 1224 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1225 epcm->capture_inte = INTE_EFXBUFENABLE; 1226 epcm->capture_ba_reg = FXBA; 1227 epcm->capture_bs_reg = FXBS; 1228 epcm->capture_idx_reg = FXIDX; 1229 substream->runtime->private_data = epcm; 1230 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1231 runtime->hw = snd_emu10k1_capture_efx; 1232 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1233 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1234 spin_lock_irq(&emu->reg_lock); 1235 if (emu->card_capabilities->emu1010) { 1236 /* Nb. of channels has been increased to 16 */ 1237 /* TODO 1238 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1239 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1240 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1241 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1242 * rate_min = 44100, 1243 * rate_max = 192000, 1244 * channels_min = 16, 1245 * channels_max = 16, 1246 * Need to add mixer control to fix sample rate 1247 * 1248 * There are 32 mono channels of 16bits each. 1249 * 24bit Audio uses 2x channels over 16bit 1250 * 96kHz uses 2x channels over 48kHz 1251 * 192kHz uses 4x channels over 48kHz 1252 * So, for 48kHz 24bit, one has 16 channels 1253 * for 96kHz 24bit, one has 8 channels 1254 * for 192kHz 24bit, one has 4 channels 1255 * 1256 */ 1257 #if 1 1258 switch (emu->emu1010.internal_clock) { 1259 case 0: 1260 /* For 44.1kHz */ 1261 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1262 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1263 runtime->hw.channels_min = 1264 runtime->hw.channels_max = 16; 1265 break; 1266 case 1: 1267 /* For 48kHz */ 1268 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1269 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1270 runtime->hw.channels_min = 1271 runtime->hw.channels_max = 16; 1272 break; 1273 }; 1274 #endif 1275 #if 0 1276 /* For 96kHz */ 1277 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1278 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1279 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1280 #endif 1281 #if 0 1282 /* For 192kHz */ 1283 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1284 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1285 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1286 #endif 1287 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1288 /* efx_voices_mask[0] is expected to be zero 1289 * efx_voices_mask[1] is expected to have 32bits set 1290 */ 1291 } else { 1292 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1293 for (idx = 0; idx < nefx; idx++) { 1294 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1295 runtime->hw.channels_min++; 1296 runtime->hw.channels_max++; 1297 } 1298 } 1299 } 1300 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1301 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1302 spin_unlock_irq(&emu->reg_lock); 1303 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1304 emu->pcm_capture_efx_substream = substream; 1305 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1306 return 0; 1307 } 1308 1309 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1310 { 1311 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1312 1313 emu->capture_interrupt = NULL; 1314 emu->pcm_capture_efx_substream = NULL; 1315 return 0; 1316 } 1317 1318 static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1319 .open = snd_emu10k1_playback_open, 1320 .close = snd_emu10k1_playback_close, 1321 .ioctl = snd_pcm_lib_ioctl, 1322 .hw_params = snd_emu10k1_playback_hw_params, 1323 .hw_free = snd_emu10k1_playback_hw_free, 1324 .prepare = snd_emu10k1_playback_prepare, 1325 .trigger = snd_emu10k1_playback_trigger, 1326 .pointer = snd_emu10k1_playback_pointer, 1327 .page = snd_pcm_sgbuf_ops_page, 1328 }; 1329 1330 static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1331 .open = snd_emu10k1_capture_open, 1332 .close = snd_emu10k1_capture_close, 1333 .ioctl = snd_pcm_lib_ioctl, 1334 .hw_params = snd_emu10k1_capture_hw_params, 1335 .hw_free = snd_emu10k1_capture_hw_free, 1336 .prepare = snd_emu10k1_capture_prepare, 1337 .trigger = snd_emu10k1_capture_trigger, 1338 .pointer = snd_emu10k1_capture_pointer, 1339 }; 1340 1341 /* EFX playback */ 1342 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1343 .open = snd_emu10k1_efx_playback_open, 1344 .close = snd_emu10k1_efx_playback_close, 1345 .ioctl = snd_pcm_lib_ioctl, 1346 .hw_params = snd_emu10k1_playback_hw_params, 1347 .hw_free = snd_emu10k1_efx_playback_hw_free, 1348 .prepare = snd_emu10k1_efx_playback_prepare, 1349 .trigger = snd_emu10k1_efx_playback_trigger, 1350 .pointer = snd_emu10k1_efx_playback_pointer, 1351 .page = snd_pcm_sgbuf_ops_page, 1352 }; 1353 1354 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1355 { 1356 struct snd_pcm *pcm; 1357 struct snd_pcm_substream *substream; 1358 int err; 1359 1360 if (rpcm) 1361 *rpcm = NULL; 1362 1363 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1364 return err; 1365 1366 pcm->private_data = emu; 1367 1368 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1369 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1370 1371 pcm->info_flags = 0; 1372 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1373 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1374 emu->pcm = pcm; 1375 1376 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1377 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1378 return err; 1379 1380 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1381 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1382 1383 if (rpcm) 1384 *rpcm = pcm; 1385 1386 return 0; 1387 } 1388 1389 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1390 { 1391 struct snd_pcm *pcm; 1392 struct snd_pcm_substream *substream; 1393 int err; 1394 1395 if (rpcm) 1396 *rpcm = NULL; 1397 1398 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1399 return err; 1400 1401 pcm->private_data = emu; 1402 1403 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1404 1405 pcm->info_flags = 0; 1406 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1407 strcpy(pcm->name, "Multichannel Playback"); 1408 emu->pcm_multi = pcm; 1409 1410 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1411 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1412 return err; 1413 1414 if (rpcm) 1415 *rpcm = pcm; 1416 1417 return 0; 1418 } 1419 1420 1421 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1422 .open = snd_emu10k1_capture_mic_open, 1423 .close = snd_emu10k1_capture_mic_close, 1424 .ioctl = snd_pcm_lib_ioctl, 1425 .hw_params = snd_emu10k1_capture_hw_params, 1426 .hw_free = snd_emu10k1_capture_hw_free, 1427 .prepare = snd_emu10k1_capture_prepare, 1428 .trigger = snd_emu10k1_capture_trigger, 1429 .pointer = snd_emu10k1_capture_pointer, 1430 }; 1431 1432 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1433 { 1434 struct snd_pcm *pcm; 1435 int err; 1436 1437 if (rpcm) 1438 *rpcm = NULL; 1439 1440 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1441 return err; 1442 1443 pcm->private_data = emu; 1444 1445 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1446 1447 pcm->info_flags = 0; 1448 strcpy(pcm->name, "Mic Capture"); 1449 emu->pcm_mic = pcm; 1450 1451 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1452 1453 if (rpcm) 1454 *rpcm = pcm; 1455 return 0; 1456 } 1457 1458 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1459 { 1460 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1461 int nefx = emu->audigy ? 64 : 32; 1462 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1463 uinfo->count = nefx; 1464 uinfo->value.integer.min = 0; 1465 uinfo->value.integer.max = 1; 1466 return 0; 1467 } 1468 1469 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1470 { 1471 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1472 int nefx = emu->audigy ? 64 : 32; 1473 int idx; 1474 1475 spin_lock_irq(&emu->reg_lock); 1476 for (idx = 0; idx < nefx; idx++) 1477 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1478 spin_unlock_irq(&emu->reg_lock); 1479 return 0; 1480 } 1481 1482 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1483 { 1484 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1485 unsigned int nval[2], bits; 1486 int nefx = emu->audigy ? 64 : 32; 1487 int nefxb = emu->audigy ? 7 : 6; 1488 int change, idx; 1489 1490 nval[0] = nval[1] = 0; 1491 for (idx = 0, bits = 0; idx < nefx; idx++) 1492 if (ucontrol->value.integer.value[idx]) { 1493 nval[idx / 32] |= 1 << (idx % 32); 1494 bits++; 1495 } 1496 1497 for (idx = 0; idx < nefxb; idx++) 1498 if (1 << idx == bits) 1499 break; 1500 1501 if (idx >= nefxb) 1502 return -EINVAL; 1503 1504 spin_lock_irq(&emu->reg_lock); 1505 change = (nval[0] != emu->efx_voices_mask[0]) || 1506 (nval[1] != emu->efx_voices_mask[1]); 1507 emu->efx_voices_mask[0] = nval[0]; 1508 emu->efx_voices_mask[1] = nval[1]; 1509 spin_unlock_irq(&emu->reg_lock); 1510 return change; 1511 } 1512 1513 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1514 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1515 .name = "Captured FX8010 Outputs", 1516 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1517 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1518 .put = snd_emu10k1_pcm_efx_voices_mask_put 1519 }; 1520 1521 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1522 .open = snd_emu10k1_capture_efx_open, 1523 .close = snd_emu10k1_capture_efx_close, 1524 .ioctl = snd_pcm_lib_ioctl, 1525 .hw_params = snd_emu10k1_capture_hw_params, 1526 .hw_free = snd_emu10k1_capture_hw_free, 1527 .prepare = snd_emu10k1_capture_prepare, 1528 .trigger = snd_emu10k1_capture_trigger, 1529 .pointer = snd_emu10k1_capture_pointer, 1530 }; 1531 1532 1533 /* EFX playback */ 1534 1535 #define INITIAL_TRAM_SHIFT 14 1536 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1537 1538 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1539 { 1540 struct snd_pcm_substream *substream = private_data; 1541 snd_pcm_period_elapsed(substream); 1542 } 1543 1544 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1545 unsigned short *dst_right, 1546 unsigned short *src, 1547 unsigned int count, 1548 unsigned int tram_shift) 1549 { 1550 /* printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); */ 1551 if ((tram_shift & 1) == 0) { 1552 while (count--) { 1553 *dst_left-- = *src++; 1554 *dst_right-- = *src++; 1555 } 1556 } else { 1557 while (count--) { 1558 *dst_right-- = *src++; 1559 *dst_left-- = *src++; 1560 } 1561 } 1562 } 1563 1564 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1565 struct snd_pcm_indirect *rec, size_t bytes) 1566 { 1567 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1568 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1569 unsigned int tram_size = pcm->buffer_size; 1570 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1571 unsigned int frames = bytes >> 2, count; 1572 unsigned int tram_pos = pcm->tram_pos; 1573 unsigned int tram_shift = pcm->tram_shift; 1574 1575 while (frames > tram_pos) { 1576 count = tram_pos + 1; 1577 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1578 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1579 src, count, tram_shift); 1580 src += count * 2; 1581 frames -= count; 1582 tram_pos = (tram_size / 2) - 1; 1583 tram_shift++; 1584 } 1585 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1586 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1587 src, frames, tram_shift); 1588 tram_pos -= frames; 1589 pcm->tram_pos = tram_pos; 1590 pcm->tram_shift = tram_shift; 1591 } 1592 1593 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1594 { 1595 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1596 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1597 1598 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1599 return 0; 1600 } 1601 1602 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1603 struct snd_pcm_hw_params *hw_params) 1604 { 1605 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1606 } 1607 1608 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1609 { 1610 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1611 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1612 unsigned int i; 1613 1614 for (i = 0; i < pcm->channels; i++) 1615 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1616 snd_pcm_lib_free_pages(substream); 1617 return 0; 1618 } 1619 1620 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1621 { 1622 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1623 struct snd_pcm_runtime *runtime = substream->runtime; 1624 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1625 unsigned int i; 1626 1627 /* 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); */ 1628 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1629 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1630 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1631 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1632 pcm->tram_shift = 0; 1633 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1634 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1635 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1636 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1637 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1638 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1639 for (i = 0; i < pcm->channels; i++) 1640 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1641 return 0; 1642 } 1643 1644 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1645 { 1646 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1647 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1648 int result = 0; 1649 1650 spin_lock(&emu->reg_lock); 1651 switch (cmd) { 1652 case SNDRV_PCM_TRIGGER_START: 1653 /* follow thru */ 1654 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1655 case SNDRV_PCM_TRIGGER_RESUME: 1656 #ifdef EMU10K1_SET_AC3_IEC958 1657 { 1658 int i; 1659 for (i = 0; i < 3; i++) { 1660 unsigned int bits; 1661 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1662 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1663 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1664 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1665 } 1666 } 1667 #endif 1668 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1669 if (result < 0) 1670 goto __err; 1671 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1672 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1673 break; 1674 case SNDRV_PCM_TRIGGER_STOP: 1675 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1676 case SNDRV_PCM_TRIGGER_SUSPEND: 1677 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1678 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1679 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1680 pcm->tram_shift = 0; 1681 break; 1682 default: 1683 result = -EINVAL; 1684 break; 1685 } 1686 __err: 1687 spin_unlock(&emu->reg_lock); 1688 return result; 1689 } 1690 1691 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1692 { 1693 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1694 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1695 size_t ptr; /* byte pointer */ 1696 1697 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1698 return 0; 1699 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1700 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1701 } 1702 1703 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1704 { 1705 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1706 SNDRV_PCM_INFO_RESUME | 1707 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1708 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1709 .rates = SNDRV_PCM_RATE_48000, 1710 .rate_min = 48000, 1711 .rate_max = 48000, 1712 .channels_min = 1, 1713 .channels_max = 1, 1714 .buffer_bytes_max = (128*1024), 1715 .period_bytes_min = 1024, 1716 .period_bytes_max = (128*1024), 1717 .periods_min = 1, 1718 .periods_max = 1024, 1719 .fifo_size = 0, 1720 }; 1721 1722 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1723 { 1724 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1725 struct snd_pcm_runtime *runtime = substream->runtime; 1726 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1727 1728 runtime->hw = snd_emu10k1_fx8010_playback; 1729 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1730 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1731 spin_lock_irq(&emu->reg_lock); 1732 if (pcm->valid == 0) { 1733 spin_unlock_irq(&emu->reg_lock); 1734 return -ENODEV; 1735 } 1736 pcm->opened = 1; 1737 spin_unlock_irq(&emu->reg_lock); 1738 return 0; 1739 } 1740 1741 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1742 { 1743 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1744 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1745 1746 spin_lock_irq(&emu->reg_lock); 1747 pcm->opened = 0; 1748 spin_unlock_irq(&emu->reg_lock); 1749 return 0; 1750 } 1751 1752 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1753 .open = snd_emu10k1_fx8010_playback_open, 1754 .close = snd_emu10k1_fx8010_playback_close, 1755 .ioctl = snd_pcm_lib_ioctl, 1756 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1757 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1758 .prepare = snd_emu10k1_fx8010_playback_prepare, 1759 .trigger = snd_emu10k1_fx8010_playback_trigger, 1760 .pointer = snd_emu10k1_fx8010_playback_pointer, 1761 .ack = snd_emu10k1_fx8010_playback_transfer, 1762 }; 1763 1764 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1765 { 1766 struct snd_pcm *pcm; 1767 struct snd_kcontrol *kctl; 1768 int err; 1769 1770 if (rpcm) 1771 *rpcm = NULL; 1772 1773 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1774 return err; 1775 1776 pcm->private_data = emu; 1777 1778 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1779 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1780 1781 pcm->info_flags = 0; 1782 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1783 emu->pcm_efx = pcm; 1784 if (rpcm) 1785 *rpcm = pcm; 1786 1787 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1788 * to these 1789 */ 1790 1791 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1792 if (emu->audigy) { 1793 emu->efx_voices_mask[0] = 0; 1794 if (emu->card_capabilities->emu1010) 1795 /* Pavel Hofman - 32 voices will be used for 1796 * capture (write mode) - 1797 * each bit = corresponding voice 1798 */ 1799 emu->efx_voices_mask[1] = 0xffffffff; 1800 else 1801 emu->efx_voices_mask[1] = 0xffff; 1802 } else { 1803 emu->efx_voices_mask[0] = 0xffff0000; 1804 emu->efx_voices_mask[1] = 0; 1805 } 1806 /* For emu1010, the control has to set 32 upper bits (voices) 1807 * out of the 64 bits (voices) to true for the 16-channels capture 1808 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1809 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1810 * control can override this register's value. 1811 */ 1812 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1813 if (!kctl) 1814 return -ENOMEM; 1815 kctl->id.device = device; 1816 snd_ctl_add(emu->card, kctl); 1817 1818 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1819 1820 return 0; 1821 } 1822