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 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 362 if (extra) 363 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 364 emu10k1_select_interprom(pitch_target) | 365 (w_16 ? 0 : CCCA_8BITSELECT)); 366 else 367 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 368 emu10k1_select_interprom(pitch_target) | 369 (w_16 ? 0 : CCCA_8BITSELECT)); 370 // Clear filter delay memory 371 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 372 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 373 // invalidate maps 374 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; 375 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 376 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 377 // modulation envelope 378 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 379 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 380 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 381 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 382 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 383 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 384 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 385 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 386 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 387 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 388 // volume envelope 389 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 390 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 391 // filter envelope 392 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 393 // pitch envelope 394 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 395 396 spin_unlock_irqrestore(&emu->reg_lock, flags); 397 } 398 399 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 400 struct snd_pcm_hw_params *hw_params) 401 { 402 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 403 struct snd_pcm_runtime *runtime = substream->runtime; 404 struct snd_emu10k1_pcm *epcm = runtime->private_data; 405 int err; 406 407 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 408 return err; 409 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 410 return err; 411 if (err > 0) { /* change */ 412 int mapped; 413 if (epcm->memblk != NULL) 414 snd_emu10k1_free_pages(emu, epcm->memblk); 415 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 416 epcm->start_addr = 0; 417 if (! epcm->memblk) 418 return -ENOMEM; 419 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 420 if (mapped < 0) 421 return -ENOMEM; 422 epcm->start_addr = mapped << PAGE_SHIFT; 423 } 424 return 0; 425 } 426 427 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 428 { 429 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 430 struct snd_pcm_runtime *runtime = substream->runtime; 431 struct snd_emu10k1_pcm *epcm; 432 433 if (runtime->private_data == NULL) 434 return 0; 435 epcm = runtime->private_data; 436 if (epcm->extra) { 437 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 438 epcm->extra = NULL; 439 } 440 if (epcm->voices[1]) { 441 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 442 epcm->voices[1] = NULL; 443 } 444 if (epcm->voices[0]) { 445 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 446 epcm->voices[0] = NULL; 447 } 448 if (epcm->memblk) { 449 snd_emu10k1_free_pages(emu, epcm->memblk); 450 epcm->memblk = NULL; 451 epcm->start_addr = 0; 452 } 453 snd_pcm_lib_free_pages(substream); 454 return 0; 455 } 456 457 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 458 { 459 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 460 struct snd_pcm_runtime *runtime = substream->runtime; 461 struct snd_emu10k1_pcm *epcm; 462 int i; 463 464 if (runtime->private_data == NULL) 465 return 0; 466 epcm = runtime->private_data; 467 if (epcm->extra) { 468 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 469 epcm->extra = NULL; 470 } 471 for (i=0; i < NUM_EFX_PLAYBACK; i++) { 472 if (epcm->voices[i]) { 473 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 474 epcm->voices[i] = NULL; 475 } 476 } 477 if (epcm->memblk) { 478 snd_emu10k1_free_pages(emu, epcm->memblk); 479 epcm->memblk = NULL; 480 epcm->start_addr = 0; 481 } 482 snd_pcm_lib_free_pages(substream); 483 return 0; 484 } 485 486 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 487 { 488 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 489 struct snd_pcm_runtime *runtime = substream->runtime; 490 struct snd_emu10k1_pcm *epcm = runtime->private_data; 491 unsigned int start_addr, end_addr; 492 493 start_addr = epcm->start_addr; 494 end_addr = snd_pcm_lib_period_bytes(substream); 495 if (runtime->channels == 2) { 496 start_addr >>= 1; 497 end_addr >>= 1; 498 } 499 end_addr += start_addr; 500 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 501 start_addr, end_addr, NULL); 502 start_addr = epcm->start_addr; 503 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 504 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 505 start_addr, end_addr, 506 &emu->pcm_mixer[substream->number]); 507 if (epcm->voices[1]) 508 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 509 start_addr, end_addr, 510 &emu->pcm_mixer[substream->number]); 511 return 0; 512 } 513 514 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 515 { 516 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 517 struct snd_pcm_runtime *runtime = substream->runtime; 518 struct snd_emu10k1_pcm *epcm = runtime->private_data; 519 unsigned int start_addr, end_addr; 520 unsigned int channel_size; 521 int i; 522 523 start_addr = epcm->start_addr; 524 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 525 526 /* 527 * the kX driver leaves some space between voices 528 */ 529 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 530 531 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 532 start_addr, start_addr + (channel_size / 2), NULL); 533 534 /* only difference with the master voice is we use it for the pointer */ 535 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 536 start_addr, start_addr + channel_size, 537 &emu->efx_pcm_mixer[0]); 538 539 start_addr += channel_size; 540 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 541 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 542 start_addr, start_addr + channel_size, 543 &emu->efx_pcm_mixer[i]); 544 start_addr += channel_size; 545 } 546 547 return 0; 548 } 549 550 static struct snd_pcm_hardware snd_emu10k1_efx_playback = 551 { 552 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 553 SNDRV_PCM_INFO_BLOCK_TRANSFER | 554 SNDRV_PCM_INFO_RESUME | 555 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 556 .formats = SNDRV_PCM_FMTBIT_S16_LE, 557 .rates = SNDRV_PCM_RATE_48000, 558 .rate_min = 48000, 559 .rate_max = 48000, 560 .channels_min = NUM_EFX_PLAYBACK, 561 .channels_max = NUM_EFX_PLAYBACK, 562 .buffer_bytes_max = (64*1024), 563 .period_bytes_min = 64, 564 .period_bytes_max = (64*1024), 565 .periods_min = 2, 566 .periods_max = 2, 567 .fifo_size = 0, 568 }; 569 570 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 571 struct snd_pcm_hw_params *hw_params) 572 { 573 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 574 } 575 576 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 577 { 578 return snd_pcm_lib_free_pages(substream); 579 } 580 581 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 582 { 583 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 584 struct snd_pcm_runtime *runtime = substream->runtime; 585 struct snd_emu10k1_pcm *epcm = runtime->private_data; 586 int idx; 587 588 /* zeroing the buffer size will stop capture */ 589 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 590 switch (epcm->type) { 591 case CAPTURE_AC97ADC: 592 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 593 break; 594 case CAPTURE_EFX: 595 if (emu->audigy) { 596 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 597 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 598 } else 599 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 600 break; 601 default: 602 break; 603 } 604 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 605 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 606 epcm->capture_bs_val = 0; 607 for (idx = 0; idx < 31; idx++) { 608 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 609 epcm->capture_bs_val = idx + 1; 610 break; 611 } 612 } 613 if (epcm->capture_bs_val == 0) { 614 snd_BUG(); 615 epcm->capture_bs_val++; 616 } 617 if (epcm->type == CAPTURE_AC97ADC) { 618 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 619 if (runtime->channels > 1) 620 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 621 epcm->capture_cr_val |= emu->audigy ? 622 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 623 snd_emu10k1_capture_rate_reg(runtime->rate); 624 } 625 return 0; 626 } 627 628 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 629 { 630 struct snd_pcm_runtime *runtime; 631 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 632 633 if (evoice == NULL) 634 return; 635 runtime = evoice->epcm->substream->runtime; 636 voice = evoice->number; 637 stereo = (!extra && runtime->channels == 2); 638 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 639 ccis = emu10k1_ccis(stereo, sample == 0); 640 // set cs to 2 * number of cache registers beside the invalidated 641 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 642 if (cs > 16) cs = 16; 643 for (i = 0; i < cs; i++) { 644 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 645 if (stereo) { 646 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 647 } 648 } 649 // reset cache 650 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 651 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 652 if (stereo) { 653 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 654 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 655 } 656 // fill cache 657 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 658 if (stereo) { 659 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 660 } 661 } 662 663 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 664 int master, int extra, 665 struct snd_emu10k1_pcm_mixer *mix) 666 { 667 struct snd_pcm_substream *substream; 668 struct snd_pcm_runtime *runtime; 669 unsigned int attn, vattn; 670 unsigned int voice, tmp; 671 672 if (evoice == NULL) /* skip second voice for mono */ 673 return; 674 substream = evoice->epcm->substream; 675 runtime = substream->runtime; 676 voice = evoice->number; 677 678 attn = extra ? 0 : 0x00ff; 679 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 680 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 681 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 682 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 683 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 684 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 685 snd_emu10k1_voice_clear_loop_stop(emu, voice); 686 } 687 688 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 689 { 690 struct snd_pcm_substream *substream; 691 struct snd_pcm_runtime *runtime; 692 unsigned int voice, pitch, pitch_target; 693 694 if (evoice == NULL) /* skip second voice for mono */ 695 return; 696 substream = evoice->epcm->substream; 697 runtime = substream->runtime; 698 voice = evoice->number; 699 700 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 701 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 702 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 703 if (master || evoice->epcm->type == PLAYBACK_EFX) 704 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 705 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 706 if (extra) 707 snd_emu10k1_voice_intr_enable(emu, voice); 708 } 709 710 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 711 { 712 unsigned int voice; 713 714 if (evoice == NULL) 715 return; 716 voice = evoice->number; 717 snd_emu10k1_voice_intr_disable(emu, voice); 718 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 719 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 720 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 721 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 722 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 723 snd_emu10k1_ptr_write(emu, IP, voice, 0); 724 } 725 726 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 727 int cmd) 728 { 729 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 730 struct snd_pcm_runtime *runtime = substream->runtime; 731 struct snd_emu10k1_pcm *epcm = runtime->private_data; 732 struct snd_emu10k1_pcm_mixer *mix; 733 int result = 0; 734 735 // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); 736 spin_lock(&emu->reg_lock); 737 switch (cmd) { 738 case SNDRV_PCM_TRIGGER_START: 739 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 740 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 741 /* follow thru */ 742 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 743 case SNDRV_PCM_TRIGGER_RESUME: 744 mix = &emu->pcm_mixer[substream->number]; 745 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 746 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 747 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 748 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 749 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 750 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 751 epcm->running = 1; 752 break; 753 case SNDRV_PCM_TRIGGER_STOP: 754 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 755 case SNDRV_PCM_TRIGGER_SUSPEND: 756 epcm->running = 0; 757 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 758 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 759 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 760 break; 761 default: 762 result = -EINVAL; 763 break; 764 } 765 spin_unlock(&emu->reg_lock); 766 return result; 767 } 768 769 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 770 int cmd) 771 { 772 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 773 struct snd_pcm_runtime *runtime = substream->runtime; 774 struct snd_emu10k1_pcm *epcm = runtime->private_data; 775 int result = 0; 776 777 spin_lock(&emu->reg_lock); 778 switch (cmd) { 779 case SNDRV_PCM_TRIGGER_START: 780 case SNDRV_PCM_TRIGGER_RESUME: 781 // hmm this should cause full and half full interrupt to be raised? 782 outl(epcm->capture_ipr, emu->port + IPR); 783 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 784 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); 785 switch (epcm->type) { 786 case CAPTURE_AC97ADC: 787 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 788 break; 789 case CAPTURE_EFX: 790 if (emu->audigy) { 791 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 792 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 793 } else 794 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 795 break; 796 default: 797 break; 798 } 799 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 800 epcm->running = 1; 801 epcm->first_ptr = 1; 802 break; 803 case SNDRV_PCM_TRIGGER_STOP: 804 case SNDRV_PCM_TRIGGER_SUSPEND: 805 epcm->running = 0; 806 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 807 outl(epcm->capture_ipr, emu->port + IPR); 808 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 809 switch (epcm->type) { 810 case CAPTURE_AC97ADC: 811 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 812 break; 813 case CAPTURE_EFX: 814 if (emu->audigy) { 815 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 816 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 817 } else 818 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 819 break; 820 default: 821 break; 822 } 823 break; 824 default: 825 result = -EINVAL; 826 } 827 spin_unlock(&emu->reg_lock); 828 return result; 829 } 830 831 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 832 { 833 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 834 struct snd_pcm_runtime *runtime = substream->runtime; 835 struct snd_emu10k1_pcm *epcm = runtime->private_data; 836 unsigned int ptr; 837 838 if (!epcm->running) 839 return 0; 840 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 841 #if 0 /* Perex's code */ 842 ptr += runtime->buffer_size; 843 ptr -= epcm->ccca_start_addr; 844 ptr %= runtime->buffer_size; 845 #else /* EMU10K1 Open Source code from Creative */ 846 if (ptr < epcm->ccca_start_addr) 847 ptr += runtime->buffer_size - epcm->ccca_start_addr; 848 else { 849 ptr -= epcm->ccca_start_addr; 850 if (ptr >= runtime->buffer_size) 851 ptr -= runtime->buffer_size; 852 } 853 #endif 854 // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); 855 return ptr; 856 } 857 858 859 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 860 int cmd) 861 { 862 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 863 struct snd_pcm_runtime *runtime = substream->runtime; 864 struct snd_emu10k1_pcm *epcm = runtime->private_data; 865 int i; 866 int result = 0; 867 868 spin_lock(&emu->reg_lock); 869 switch (cmd) { 870 case SNDRV_PCM_TRIGGER_START: 871 // prepare voices 872 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 873 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 874 } 875 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 876 877 /* follow thru */ 878 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 879 case SNDRV_PCM_TRIGGER_RESUME: 880 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 881 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 882 &emu->efx_pcm_mixer[0]); 883 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 884 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 885 &emu->efx_pcm_mixer[i]); 886 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 887 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 888 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 889 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 890 epcm->running = 1; 891 break; 892 case SNDRV_PCM_TRIGGER_SUSPEND: 893 case SNDRV_PCM_TRIGGER_STOP: 894 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 895 epcm->running = 0; 896 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 897 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 898 } 899 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 900 break; 901 default: 902 result = -EINVAL; 903 break; 904 } 905 spin_unlock(&emu->reg_lock); 906 return result; 907 } 908 909 910 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 911 { 912 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 913 struct snd_pcm_runtime *runtime = substream->runtime; 914 struct snd_emu10k1_pcm *epcm = runtime->private_data; 915 unsigned int ptr; 916 917 if (!epcm->running) 918 return 0; 919 if (epcm->first_ptr) { 920 udelay(50); // hack, it takes awhile until capture is started 921 epcm->first_ptr = 0; 922 } 923 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 924 return bytes_to_frames(runtime, ptr); 925 } 926 927 /* 928 * Playback support device description 929 */ 930 931 static struct snd_pcm_hardware snd_emu10k1_playback = 932 { 933 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 934 SNDRV_PCM_INFO_BLOCK_TRANSFER | 935 SNDRV_PCM_INFO_RESUME | 936 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 937 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 938 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 939 .rate_min = 4000, 940 .rate_max = 96000, 941 .channels_min = 1, 942 .channels_max = 2, 943 .buffer_bytes_max = (128*1024), 944 .period_bytes_min = 64, 945 .period_bytes_max = (128*1024), 946 .periods_min = 1, 947 .periods_max = 1024, 948 .fifo_size = 0, 949 }; 950 951 /* 952 * Capture support device description 953 */ 954 955 static struct snd_pcm_hardware snd_emu10k1_capture = 956 { 957 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 958 SNDRV_PCM_INFO_BLOCK_TRANSFER | 959 SNDRV_PCM_INFO_RESUME | 960 SNDRV_PCM_INFO_MMAP_VALID), 961 .formats = SNDRV_PCM_FMTBIT_S16_LE, 962 .rates = SNDRV_PCM_RATE_8000_48000, 963 .rate_min = 8000, 964 .rate_max = 48000, 965 .channels_min = 1, 966 .channels_max = 2, 967 .buffer_bytes_max = (64*1024), 968 .period_bytes_min = 384, 969 .period_bytes_max = (64*1024), 970 .periods_min = 2, 971 .periods_max = 2, 972 .fifo_size = 0, 973 }; 974 975 /* 976 * 977 */ 978 979 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 980 { 981 struct snd_ctl_elem_id id; 982 983 if (! kctl) 984 return; 985 if (activate) 986 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 987 else 988 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 989 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 990 SNDRV_CTL_EVENT_MASK_INFO, 991 snd_ctl_build_ioff(&id, kctl, idx)); 992 } 993 994 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 995 { 996 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 997 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 998 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 999 } 1000 1001 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1002 { 1003 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1004 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1005 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1006 } 1007 1008 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1009 { 1010 kfree(runtime->private_data); 1011 } 1012 1013 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1014 { 1015 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1016 struct snd_emu10k1_pcm_mixer *mix; 1017 int i; 1018 1019 for (i=0; i < NUM_EFX_PLAYBACK; i++) { 1020 mix = &emu->efx_pcm_mixer[i]; 1021 mix->epcm = NULL; 1022 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1023 } 1024 return 0; 1025 } 1026 1027 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1028 { 1029 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1030 struct snd_emu10k1_pcm *epcm; 1031 struct snd_emu10k1_pcm_mixer *mix; 1032 struct snd_pcm_runtime *runtime = substream->runtime; 1033 int i; 1034 1035 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1036 if (epcm == NULL) 1037 return -ENOMEM; 1038 epcm->emu = emu; 1039 epcm->type = PLAYBACK_EFX; 1040 epcm->substream = substream; 1041 1042 emu->pcm_playback_efx_substream = substream; 1043 1044 runtime->private_data = epcm; 1045 runtime->private_free = snd_emu10k1_pcm_free_substream; 1046 runtime->hw = snd_emu10k1_efx_playback; 1047 1048 for (i=0; i < NUM_EFX_PLAYBACK; i++) { 1049 mix = &emu->efx_pcm_mixer[i]; 1050 mix->send_routing[0][0] = i; 1051 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1052 mix->send_volume[0][0] = 255; 1053 mix->attn[0] = 0xffff; 1054 mix->epcm = epcm; 1055 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1056 } 1057 return 0; 1058 } 1059 1060 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1061 { 1062 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1063 struct snd_emu10k1_pcm *epcm; 1064 struct snd_emu10k1_pcm_mixer *mix; 1065 struct snd_pcm_runtime *runtime = substream->runtime; 1066 int i, err; 1067 1068 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1069 if (epcm == NULL) 1070 return -ENOMEM; 1071 epcm->emu = emu; 1072 epcm->type = PLAYBACK_EMUVOICE; 1073 epcm->substream = substream; 1074 runtime->private_data = epcm; 1075 runtime->private_free = snd_emu10k1_pcm_free_substream; 1076 runtime->hw = snd_emu10k1_playback; 1077 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1078 kfree(epcm); 1079 return err; 1080 } 1081 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1082 kfree(epcm); 1083 return err; 1084 } 1085 mix = &emu->pcm_mixer[substream->number]; 1086 for (i = 0; i < 4; i++) 1087 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1088 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1089 mix->send_volume[0][0] = mix->send_volume[0][1] = 1090 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1091 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1092 mix->epcm = epcm; 1093 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1094 return 0; 1095 } 1096 1097 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1098 { 1099 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1100 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1101 1102 mix->epcm = NULL; 1103 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1104 return 0; 1105 } 1106 1107 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1108 { 1109 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1110 struct snd_pcm_runtime *runtime = substream->runtime; 1111 struct snd_emu10k1_pcm *epcm; 1112 1113 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1114 if (epcm == NULL) 1115 return -ENOMEM; 1116 epcm->emu = emu; 1117 epcm->type = CAPTURE_AC97ADC; 1118 epcm->substream = substream; 1119 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1120 epcm->capture_inte = INTE_ADCBUFENABLE; 1121 epcm->capture_ba_reg = ADCBA; 1122 epcm->capture_bs_reg = ADCBS; 1123 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1124 runtime->private_data = epcm; 1125 runtime->private_free = snd_emu10k1_pcm_free_substream; 1126 runtime->hw = snd_emu10k1_capture; 1127 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1128 emu->pcm_capture_substream = substream; 1129 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1130 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1131 return 0; 1132 } 1133 1134 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1135 { 1136 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1137 1138 emu->capture_interrupt = NULL; 1139 emu->pcm_capture_substream = NULL; 1140 return 0; 1141 } 1142 1143 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1144 { 1145 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1146 struct snd_emu10k1_pcm *epcm; 1147 struct snd_pcm_runtime *runtime = substream->runtime; 1148 1149 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1150 if (epcm == NULL) 1151 return -ENOMEM; 1152 epcm->emu = emu; 1153 epcm->type = CAPTURE_AC97MIC; 1154 epcm->substream = substream; 1155 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1156 epcm->capture_inte = INTE_MICBUFENABLE; 1157 epcm->capture_ba_reg = MICBA; 1158 epcm->capture_bs_reg = MICBS; 1159 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1160 substream->runtime->private_data = epcm; 1161 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1162 runtime->hw = snd_emu10k1_capture; 1163 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1164 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1165 runtime->hw.channels_min = 1; 1166 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1167 emu->pcm_capture_mic_substream = substream; 1168 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1169 return 0; 1170 } 1171 1172 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1173 { 1174 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1175 1176 emu->capture_interrupt = NULL; 1177 emu->pcm_capture_mic_substream = NULL; 1178 return 0; 1179 } 1180 1181 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1182 { 1183 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1184 struct snd_emu10k1_pcm *epcm; 1185 struct snd_pcm_runtime *runtime = substream->runtime; 1186 int nefx = emu->audigy ? 64 : 32; 1187 int idx; 1188 1189 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1190 if (epcm == NULL) 1191 return -ENOMEM; 1192 epcm->emu = emu; 1193 epcm->type = CAPTURE_EFX; 1194 epcm->substream = substream; 1195 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1196 epcm->capture_inte = INTE_EFXBUFENABLE; 1197 epcm->capture_ba_reg = FXBA; 1198 epcm->capture_bs_reg = FXBS; 1199 epcm->capture_idx_reg = FXIDX; 1200 substream->runtime->private_data = epcm; 1201 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1202 runtime->hw = snd_emu10k1_capture; 1203 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1204 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1205 spin_lock_irq(&emu->reg_lock); 1206 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1207 for (idx = 0; idx < nefx; idx++) { 1208 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1209 runtime->hw.channels_min++; 1210 runtime->hw.channels_max++; 1211 } 1212 } 1213 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1214 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1215 spin_unlock_irq(&emu->reg_lock); 1216 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1217 emu->pcm_capture_efx_substream = substream; 1218 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1219 return 0; 1220 } 1221 1222 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1223 { 1224 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1225 1226 emu->capture_interrupt = NULL; 1227 emu->pcm_capture_efx_substream = NULL; 1228 return 0; 1229 } 1230 1231 static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1232 .open = snd_emu10k1_playback_open, 1233 .close = snd_emu10k1_playback_close, 1234 .ioctl = snd_pcm_lib_ioctl, 1235 .hw_params = snd_emu10k1_playback_hw_params, 1236 .hw_free = snd_emu10k1_playback_hw_free, 1237 .prepare = snd_emu10k1_playback_prepare, 1238 .trigger = snd_emu10k1_playback_trigger, 1239 .pointer = snd_emu10k1_playback_pointer, 1240 .page = snd_pcm_sgbuf_ops_page, 1241 }; 1242 1243 static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1244 .open = snd_emu10k1_capture_open, 1245 .close = snd_emu10k1_capture_close, 1246 .ioctl = snd_pcm_lib_ioctl, 1247 .hw_params = snd_emu10k1_capture_hw_params, 1248 .hw_free = snd_emu10k1_capture_hw_free, 1249 .prepare = snd_emu10k1_capture_prepare, 1250 .trigger = snd_emu10k1_capture_trigger, 1251 .pointer = snd_emu10k1_capture_pointer, 1252 }; 1253 1254 /* EFX playback */ 1255 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1256 .open = snd_emu10k1_efx_playback_open, 1257 .close = snd_emu10k1_efx_playback_close, 1258 .ioctl = snd_pcm_lib_ioctl, 1259 .hw_params = snd_emu10k1_playback_hw_params, 1260 .hw_free = snd_emu10k1_efx_playback_hw_free, 1261 .prepare = snd_emu10k1_efx_playback_prepare, 1262 .trigger = snd_emu10k1_efx_playback_trigger, 1263 .pointer = snd_emu10k1_efx_playback_pointer, 1264 .page = snd_pcm_sgbuf_ops_page, 1265 }; 1266 1267 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1268 { 1269 struct snd_pcm *pcm; 1270 struct snd_pcm_substream *substream; 1271 int err; 1272 1273 if (rpcm) 1274 *rpcm = NULL; 1275 1276 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1277 return err; 1278 1279 pcm->private_data = emu; 1280 1281 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1282 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1283 1284 pcm->info_flags = 0; 1285 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1286 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1287 emu->pcm = pcm; 1288 1289 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1290 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1291 return err; 1292 1293 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1294 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1295 1296 if (rpcm) 1297 *rpcm = pcm; 1298 1299 return 0; 1300 } 1301 1302 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1303 { 1304 struct snd_pcm *pcm; 1305 struct snd_pcm_substream *substream; 1306 int err; 1307 1308 if (rpcm) 1309 *rpcm = NULL; 1310 1311 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1312 return err; 1313 1314 pcm->private_data = emu; 1315 1316 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1317 1318 pcm->info_flags = 0; 1319 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1320 strcpy(pcm->name, "Multichannel Playback"); 1321 emu->pcm_multi = pcm; 1322 1323 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1324 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1325 return err; 1326 1327 if (rpcm) 1328 *rpcm = pcm; 1329 1330 return 0; 1331 } 1332 1333 1334 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1335 .open = snd_emu10k1_capture_mic_open, 1336 .close = snd_emu10k1_capture_mic_close, 1337 .ioctl = snd_pcm_lib_ioctl, 1338 .hw_params = snd_emu10k1_capture_hw_params, 1339 .hw_free = snd_emu10k1_capture_hw_free, 1340 .prepare = snd_emu10k1_capture_prepare, 1341 .trigger = snd_emu10k1_capture_trigger, 1342 .pointer = snd_emu10k1_capture_pointer, 1343 }; 1344 1345 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1346 { 1347 struct snd_pcm *pcm; 1348 int err; 1349 1350 if (rpcm) 1351 *rpcm = NULL; 1352 1353 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1354 return err; 1355 1356 pcm->private_data = emu; 1357 1358 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1359 1360 pcm->info_flags = 0; 1361 strcpy(pcm->name, "Mic Capture"); 1362 emu->pcm_mic = pcm; 1363 1364 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1365 1366 if (rpcm) 1367 *rpcm = pcm; 1368 return 0; 1369 } 1370 1371 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1372 { 1373 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1374 int nefx = emu->audigy ? 64 : 32; 1375 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1376 uinfo->count = nefx; 1377 uinfo->value.integer.min = 0; 1378 uinfo->value.integer.max = 1; 1379 return 0; 1380 } 1381 1382 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1383 { 1384 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1385 int nefx = emu->audigy ? 64 : 32; 1386 int idx; 1387 1388 spin_lock_irq(&emu->reg_lock); 1389 for (idx = 0; idx < nefx; idx++) 1390 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1391 spin_unlock_irq(&emu->reg_lock); 1392 return 0; 1393 } 1394 1395 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1396 { 1397 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1398 unsigned int nval[2], bits; 1399 int nefx = emu->audigy ? 64 : 32; 1400 int nefxb = emu->audigy ? 7 : 6; 1401 int change, idx; 1402 1403 nval[0] = nval[1] = 0; 1404 for (idx = 0, bits = 0; idx < nefx; idx++) 1405 if (ucontrol->value.integer.value[idx]) { 1406 nval[idx / 32] |= 1 << (idx % 32); 1407 bits++; 1408 } 1409 1410 for (idx = 0; idx < nefxb; idx++) 1411 if (1 << idx == bits) 1412 break; 1413 1414 if (idx >= nefxb) 1415 return -EINVAL; 1416 1417 spin_lock_irq(&emu->reg_lock); 1418 change = (nval[0] != emu->efx_voices_mask[0]) || 1419 (nval[1] != emu->efx_voices_mask[1]); 1420 emu->efx_voices_mask[0] = nval[0]; 1421 emu->efx_voices_mask[1] = nval[1]; 1422 spin_unlock_irq(&emu->reg_lock); 1423 return change; 1424 } 1425 1426 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1427 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1428 .name = "Captured FX8010 Outputs", 1429 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1430 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1431 .put = snd_emu10k1_pcm_efx_voices_mask_put 1432 }; 1433 1434 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1435 .open = snd_emu10k1_capture_efx_open, 1436 .close = snd_emu10k1_capture_efx_close, 1437 .ioctl = snd_pcm_lib_ioctl, 1438 .hw_params = snd_emu10k1_capture_hw_params, 1439 .hw_free = snd_emu10k1_capture_hw_free, 1440 .prepare = snd_emu10k1_capture_prepare, 1441 .trigger = snd_emu10k1_capture_trigger, 1442 .pointer = snd_emu10k1_capture_pointer, 1443 }; 1444 1445 1446 /* EFX playback */ 1447 1448 #define INITIAL_TRAM_SHIFT 14 1449 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1450 1451 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1452 { 1453 struct snd_pcm_substream *substream = private_data; 1454 snd_pcm_period_elapsed(substream); 1455 } 1456 1457 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1458 unsigned short *dst_right, 1459 unsigned short *src, 1460 unsigned int count, 1461 unsigned int tram_shift) 1462 { 1463 // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); 1464 if ((tram_shift & 1) == 0) { 1465 while (count--) { 1466 *dst_left-- = *src++; 1467 *dst_right-- = *src++; 1468 } 1469 } else { 1470 while (count--) { 1471 *dst_right-- = *src++; 1472 *dst_left-- = *src++; 1473 } 1474 } 1475 } 1476 1477 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1478 struct snd_pcm_indirect *rec, size_t bytes) 1479 { 1480 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1481 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1482 unsigned int tram_size = pcm->buffer_size; 1483 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1484 unsigned int frames = bytes >> 2, count; 1485 unsigned int tram_pos = pcm->tram_pos; 1486 unsigned int tram_shift = pcm->tram_shift; 1487 1488 while (frames > tram_pos) { 1489 count = tram_pos + 1; 1490 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1491 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1492 src, count, tram_shift); 1493 src += count * 2; 1494 frames -= count; 1495 tram_pos = (tram_size / 2) - 1; 1496 tram_shift++; 1497 } 1498 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1499 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1500 src, frames, tram_shift); 1501 tram_pos -= frames; 1502 pcm->tram_pos = tram_pos; 1503 pcm->tram_shift = tram_shift; 1504 } 1505 1506 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1507 { 1508 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1509 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1510 1511 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1512 return 0; 1513 } 1514 1515 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1516 struct snd_pcm_hw_params *hw_params) 1517 { 1518 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1519 } 1520 1521 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1522 { 1523 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1524 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1525 unsigned int i; 1526 1527 for (i = 0; i < pcm->channels; i++) 1528 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1529 snd_pcm_lib_free_pages(substream); 1530 return 0; 1531 } 1532 1533 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1534 { 1535 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1536 struct snd_pcm_runtime *runtime = substream->runtime; 1537 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1538 unsigned int i; 1539 1540 // 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); 1541 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1542 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1543 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1544 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1545 pcm->tram_shift = 0; 1546 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1547 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1548 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1549 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1550 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1551 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1552 for (i = 0; i < pcm->channels; i++) 1553 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1554 return 0; 1555 } 1556 1557 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1558 { 1559 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1560 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1561 int result = 0; 1562 1563 spin_lock(&emu->reg_lock); 1564 switch (cmd) { 1565 case SNDRV_PCM_TRIGGER_START: 1566 /* follow thru */ 1567 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1568 case SNDRV_PCM_TRIGGER_RESUME: 1569 #ifdef EMU10K1_SET_AC3_IEC958 1570 { 1571 int i; 1572 for (i = 0; i < 3; i++) { 1573 unsigned int bits; 1574 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1575 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1576 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1577 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1578 } 1579 } 1580 #endif 1581 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1582 if (result < 0) 1583 goto __err; 1584 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1585 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1586 break; 1587 case SNDRV_PCM_TRIGGER_STOP: 1588 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1589 case SNDRV_PCM_TRIGGER_SUSPEND: 1590 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1591 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1592 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1593 pcm->tram_shift = 0; 1594 break; 1595 default: 1596 result = -EINVAL; 1597 break; 1598 } 1599 __err: 1600 spin_unlock(&emu->reg_lock); 1601 return result; 1602 } 1603 1604 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1605 { 1606 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1607 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1608 size_t ptr; /* byte pointer */ 1609 1610 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1611 return 0; 1612 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1613 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1614 } 1615 1616 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1617 { 1618 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1619 SNDRV_PCM_INFO_RESUME | 1620 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1621 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1622 .rates = SNDRV_PCM_RATE_48000, 1623 .rate_min = 48000, 1624 .rate_max = 48000, 1625 .channels_min = 1, 1626 .channels_max = 1, 1627 .buffer_bytes_max = (128*1024), 1628 .period_bytes_min = 1024, 1629 .period_bytes_max = (128*1024), 1630 .periods_min = 1, 1631 .periods_max = 1024, 1632 .fifo_size = 0, 1633 }; 1634 1635 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1636 { 1637 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1638 struct snd_pcm_runtime *runtime = substream->runtime; 1639 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1640 1641 runtime->hw = snd_emu10k1_fx8010_playback; 1642 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1643 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1644 spin_lock_irq(&emu->reg_lock); 1645 if (pcm->valid == 0) { 1646 spin_unlock_irq(&emu->reg_lock); 1647 return -ENODEV; 1648 } 1649 pcm->opened = 1; 1650 spin_unlock_irq(&emu->reg_lock); 1651 return 0; 1652 } 1653 1654 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1655 { 1656 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1657 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1658 1659 spin_lock_irq(&emu->reg_lock); 1660 pcm->opened = 0; 1661 spin_unlock_irq(&emu->reg_lock); 1662 return 0; 1663 } 1664 1665 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1666 .open = snd_emu10k1_fx8010_playback_open, 1667 .close = snd_emu10k1_fx8010_playback_close, 1668 .ioctl = snd_pcm_lib_ioctl, 1669 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1670 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1671 .prepare = snd_emu10k1_fx8010_playback_prepare, 1672 .trigger = snd_emu10k1_fx8010_playback_trigger, 1673 .pointer = snd_emu10k1_fx8010_playback_pointer, 1674 .ack = snd_emu10k1_fx8010_playback_transfer, 1675 }; 1676 1677 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1678 { 1679 struct snd_pcm *pcm; 1680 struct snd_kcontrol *kctl; 1681 int err; 1682 1683 if (rpcm) 1684 *rpcm = NULL; 1685 1686 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1687 return err; 1688 1689 pcm->private_data = emu; 1690 1691 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1692 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1693 1694 pcm->info_flags = 0; 1695 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1696 emu->pcm_efx = pcm; 1697 if (rpcm) 1698 *rpcm = pcm; 1699 1700 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1701 * to these 1702 */ 1703 1704 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1705 if (emu->audigy) { 1706 emu->efx_voices_mask[0] = 0; 1707 emu->efx_voices_mask[1] = 0xffff; 1708 } else { 1709 emu->efx_voices_mask[0] = 0xffff0000; 1710 emu->efx_voices_mask[1] = 0; 1711 } 1712 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1713 if (!kctl) 1714 return -ENOMEM; 1715 kctl->id.device = device; 1716 snd_ctl_add(emu->card, kctl); 1717 1718 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1719 1720 return 0; 1721 } 1722