1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Creative Labs, Inc. 4 * Routines for control of EMU10K1 chips / PCM routines 5 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 6 * 7 * BUGS: 8 * -- 9 * 10 * TODO: 11 * -- 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26 * 27 */ 28 29 #include <linux/pci.h> 30 #include <linux/delay.h> 31 #include <linux/slab.h> 32 #include <linux/time.h> 33 #include <linux/init.h> 34 #include <sound/core.h> 35 #include <sound/emu10k1.h> 36 37 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, 38 struct snd_emu10k1_voice *voice) 39 { 40 struct snd_emu10k1_pcm *epcm; 41 42 if ((epcm = voice->epcm) == NULL) 43 return; 44 if (epcm->substream == NULL) 45 return; 46 #if 0 47 printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 48 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 49 snd_pcm_lib_period_bytes(epcm->substream), 50 snd_pcm_lib_buffer_bytes(epcm->substream)); 51 #endif 52 snd_pcm_period_elapsed(epcm->substream); 53 } 54 55 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 56 unsigned int status) 57 { 58 #if 0 59 if (status & IPR_ADCBUFHALFFULL) { 60 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 61 return; 62 } 63 #endif 64 snd_pcm_period_elapsed(emu->pcm_capture_substream); 65 } 66 67 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 68 unsigned int status) 69 { 70 #if 0 71 if (status & IPR_MICBUFHALFFULL) { 72 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 73 return; 74 } 75 #endif 76 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 77 } 78 79 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 80 unsigned int status) 81 { 82 #if 0 83 if (status & IPR_EFXBUFHALFFULL) { 84 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 85 return; 86 } 87 #endif 88 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 89 } 90 91 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 92 { 93 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 94 struct snd_pcm_runtime *runtime = substream->runtime; 95 struct snd_emu10k1_pcm *epcm = runtime->private_data; 96 unsigned int ptr; 97 98 if (!epcm->running) 99 return 0; 100 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 101 ptr += runtime->buffer_size; 102 ptr -= epcm->ccca_start_addr; 103 ptr %= runtime->buffer_size; 104 105 return ptr; 106 } 107 108 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 109 { 110 int err, i; 111 112 if (epcm->voices[1] != NULL && voices < 2) { 113 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 114 epcm->voices[1] = NULL; 115 } 116 for (i = 0; i < voices; i++) { 117 if (epcm->voices[i] == NULL) 118 break; 119 } 120 if (i == voices) 121 return 0; /* already allocated */ 122 123 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 124 if (epcm->voices[i]) { 125 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 126 epcm->voices[i] = NULL; 127 } 128 } 129 err = snd_emu10k1_voice_alloc(epcm->emu, 130 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 131 voices, 132 &epcm->voices[0]); 133 134 if (err < 0) 135 return err; 136 epcm->voices[0]->epcm = epcm; 137 if (voices > 1) { 138 for (i = 1; i < voices; i++) { 139 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 140 epcm->voices[i]->epcm = epcm; 141 } 142 } 143 if (epcm->extra == NULL) { 144 err = snd_emu10k1_voice_alloc(epcm->emu, 145 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 146 1, 147 &epcm->extra); 148 if (err < 0) { 149 /* printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame); */ 150 for (i = 0; i < voices; i++) { 151 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 152 epcm->voices[i] = NULL; 153 } 154 return err; 155 } 156 epcm->extra->epcm = epcm; 157 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 158 } 159 return 0; 160 } 161 162 static unsigned int capture_period_sizes[31] = { 163 384, 448, 512, 640, 164 384*2, 448*2, 512*2, 640*2, 165 384*4, 448*4, 512*4, 640*4, 166 384*8, 448*8, 512*8, 640*8, 167 384*16, 448*16, 512*16, 640*16, 168 384*32, 448*32, 512*32, 640*32, 169 384*64, 448*64, 512*64, 640*64, 170 384*128,448*128,512*128 171 }; 172 173 static struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 174 .count = 31, 175 .list = capture_period_sizes, 176 .mask = 0 177 }; 178 179 static unsigned int capture_rates[8] = { 180 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 181 }; 182 183 static struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 184 .count = 8, 185 .list = capture_rates, 186 .mask = 0 187 }; 188 189 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 190 { 191 switch (rate) { 192 case 8000: return ADCCR_SAMPLERATE_8; 193 case 11025: return ADCCR_SAMPLERATE_11; 194 case 16000: return ADCCR_SAMPLERATE_16; 195 case 22050: return ADCCR_SAMPLERATE_22; 196 case 24000: return ADCCR_SAMPLERATE_24; 197 case 32000: return ADCCR_SAMPLERATE_32; 198 case 44100: return ADCCR_SAMPLERATE_44; 199 case 48000: return ADCCR_SAMPLERATE_48; 200 default: 201 snd_BUG(); 202 return ADCCR_SAMPLERATE_8; 203 } 204 } 205 206 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 207 { 208 switch (rate) { 209 case 8000: return A_ADCCR_SAMPLERATE_8; 210 case 11025: return A_ADCCR_SAMPLERATE_11; 211 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 212 case 16000: return ADCCR_SAMPLERATE_16; 213 case 22050: return ADCCR_SAMPLERATE_22; 214 case 24000: return ADCCR_SAMPLERATE_24; 215 case 32000: return ADCCR_SAMPLERATE_32; 216 case 44100: return ADCCR_SAMPLERATE_44; 217 case 48000: return ADCCR_SAMPLERATE_48; 218 default: 219 snd_BUG(); 220 return A_ADCCR_SAMPLERATE_8; 221 } 222 } 223 224 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 225 { 226 unsigned int pitch_target; 227 228 pitch_target = (rate << 8) / 375; 229 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 230 return pitch_target; 231 } 232 233 #define PITCH_48000 0x00004000 234 #define PITCH_96000 0x00008000 235 #define PITCH_85000 0x00007155 236 #define PITCH_80726 0x00006ba2 237 #define PITCH_67882 0x00005a82 238 #define PITCH_57081 0x00004c1c 239 240 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 241 { 242 if (pitch_target == PITCH_48000) 243 return CCCA_INTERPROM_0; 244 else if (pitch_target < PITCH_48000) 245 return CCCA_INTERPROM_1; 246 else if (pitch_target >= PITCH_96000) 247 return CCCA_INTERPROM_0; 248 else if (pitch_target >= PITCH_85000) 249 return CCCA_INTERPROM_6; 250 else if (pitch_target >= PITCH_80726) 251 return CCCA_INTERPROM_5; 252 else if (pitch_target >= PITCH_67882) 253 return CCCA_INTERPROM_4; 254 else if (pitch_target >= PITCH_57081) 255 return CCCA_INTERPROM_3; 256 else 257 return CCCA_INTERPROM_2; 258 } 259 260 /* 261 * calculate cache invalidate size 262 * 263 * stereo: channel is stereo 264 * w_16: using 16bit samples 265 * 266 * returns: cache invalidate size in samples 267 */ 268 static inline int emu10k1_ccis(int stereo, int w_16) 269 { 270 if (w_16) { 271 return stereo ? 24 : 26; 272 } else { 273 return stereo ? 24*2 : 26*2; 274 } 275 } 276 277 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 278 int master, int extra, 279 struct snd_emu10k1_voice *evoice, 280 unsigned int start_addr, 281 unsigned int end_addr, 282 struct snd_emu10k1_pcm_mixer *mix) 283 { 284 struct snd_pcm_substream *substream = evoice->epcm->substream; 285 struct snd_pcm_runtime *runtime = substream->runtime; 286 unsigned int silent_page, tmp; 287 int voice, stereo, w_16; 288 unsigned char attn, send_amount[8]; 289 unsigned char send_routing[8]; 290 unsigned long flags; 291 unsigned int pitch_target; 292 unsigned int ccis; 293 294 voice = evoice->number; 295 stereo = runtime->channels == 2; 296 w_16 = snd_pcm_format_width(runtime->format) == 16; 297 298 if (!extra && stereo) { 299 start_addr >>= 1; 300 end_addr >>= 1; 301 } 302 if (w_16) { 303 start_addr >>= 1; 304 end_addr >>= 1; 305 } 306 307 spin_lock_irqsave(&emu->reg_lock, flags); 308 309 /* volume parameters */ 310 if (extra) { 311 attn = 0; 312 memset(send_routing, 0, sizeof(send_routing)); 313 send_routing[0] = 0; 314 send_routing[1] = 1; 315 send_routing[2] = 2; 316 send_routing[3] = 3; 317 memset(send_amount, 0, sizeof(send_amount)); 318 } else { 319 /* mono, left, right (master voice = left) */ 320 tmp = stereo ? (master ? 1 : 2) : 0; 321 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 322 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 323 } 324 325 ccis = emu10k1_ccis(stereo, w_16); 326 327 if (master) { 328 evoice->epcm->ccca_start_addr = start_addr + ccis; 329 if (extra) { 330 start_addr += ccis; 331 end_addr += ccis; 332 } 333 if (stereo && !extra) { 334 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 335 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 336 } else { 337 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 338 } 339 } 340 341 /* setup routing */ 342 if (emu->audigy) { 343 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 344 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 345 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 346 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 347 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 348 ((unsigned int)send_amount[4] << 24) | 349 ((unsigned int)send_amount[5] << 16) | 350 ((unsigned int)send_amount[6] << 8) | 351 (unsigned int)send_amount[7]); 352 } else 353 snd_emu10k1_ptr_write(emu, FXRT, voice, 354 snd_emu10k1_compose_send_routing(send_routing)); 355 /* Stop CA */ 356 /* Assumption that PT is already 0 so no harm overwriting */ 357 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 358 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 359 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24)); 360 if (emu->card_capabilities->emu_model) 361 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 362 else 363 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 364 if (extra) 365 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 366 emu10k1_select_interprom(pitch_target) | 367 (w_16 ? 0 : CCCA_8BITSELECT)); 368 else 369 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 370 emu10k1_select_interprom(pitch_target) | 371 (w_16 ? 0 : CCCA_8BITSELECT)); 372 /* Clear filter delay memory */ 373 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 374 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 375 /* invalidate maps */ 376 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; 377 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 378 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 379 /* modulation envelope */ 380 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 381 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 382 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 383 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 384 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 385 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 386 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 387 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 388 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 389 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 390 /* volume envelope */ 391 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 392 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 393 /* filter envelope */ 394 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 395 /* pitch envelope */ 396 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 397 398 spin_unlock_irqrestore(&emu->reg_lock, flags); 399 } 400 401 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 402 struct snd_pcm_hw_params *hw_params) 403 { 404 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 405 struct snd_pcm_runtime *runtime = substream->runtime; 406 struct snd_emu10k1_pcm *epcm = runtime->private_data; 407 int err; 408 409 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 410 return err; 411 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 412 return err; 413 if (err > 0) { /* change */ 414 int mapped; 415 if (epcm->memblk != NULL) 416 snd_emu10k1_free_pages(emu, epcm->memblk); 417 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 418 epcm->start_addr = 0; 419 if (! epcm->memblk) 420 return -ENOMEM; 421 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 422 if (mapped < 0) 423 return -ENOMEM; 424 epcm->start_addr = mapped << PAGE_SHIFT; 425 } 426 return 0; 427 } 428 429 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 430 { 431 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 432 struct snd_pcm_runtime *runtime = substream->runtime; 433 struct snd_emu10k1_pcm *epcm; 434 435 if (runtime->private_data == NULL) 436 return 0; 437 epcm = runtime->private_data; 438 if (epcm->extra) { 439 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 440 epcm->extra = NULL; 441 } 442 if (epcm->voices[1]) { 443 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 444 epcm->voices[1] = NULL; 445 } 446 if (epcm->voices[0]) { 447 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 448 epcm->voices[0] = NULL; 449 } 450 if (epcm->memblk) { 451 snd_emu10k1_free_pages(emu, epcm->memblk); 452 epcm->memblk = NULL; 453 epcm->start_addr = 0; 454 } 455 snd_pcm_lib_free_pages(substream); 456 return 0; 457 } 458 459 static int snd_emu10k1_efx_playback_hw_free(struct snd_pcm_substream *substream) 460 { 461 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 462 struct snd_pcm_runtime *runtime = substream->runtime; 463 struct snd_emu10k1_pcm *epcm; 464 int i; 465 466 if (runtime->private_data == NULL) 467 return 0; 468 epcm = runtime->private_data; 469 if (epcm->extra) { 470 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 471 epcm->extra = NULL; 472 } 473 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 474 if (epcm->voices[i]) { 475 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 476 epcm->voices[i] = NULL; 477 } 478 } 479 if (epcm->memblk) { 480 snd_emu10k1_free_pages(emu, epcm->memblk); 481 epcm->memblk = NULL; 482 epcm->start_addr = 0; 483 } 484 snd_pcm_lib_free_pages(substream); 485 return 0; 486 } 487 488 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 489 { 490 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 491 struct snd_pcm_runtime *runtime = substream->runtime; 492 struct snd_emu10k1_pcm *epcm = runtime->private_data; 493 unsigned int start_addr, end_addr; 494 495 start_addr = epcm->start_addr; 496 end_addr = snd_pcm_lib_period_bytes(substream); 497 if (runtime->channels == 2) { 498 start_addr >>= 1; 499 end_addr >>= 1; 500 } 501 end_addr += start_addr; 502 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 503 start_addr, end_addr, NULL); 504 start_addr = epcm->start_addr; 505 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 506 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 507 start_addr, end_addr, 508 &emu->pcm_mixer[substream->number]); 509 if (epcm->voices[1]) 510 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 511 start_addr, end_addr, 512 &emu->pcm_mixer[substream->number]); 513 return 0; 514 } 515 516 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 517 { 518 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 519 struct snd_pcm_runtime *runtime = substream->runtime; 520 struct snd_emu10k1_pcm *epcm = runtime->private_data; 521 unsigned int start_addr, end_addr; 522 unsigned int channel_size; 523 int i; 524 525 start_addr = epcm->start_addr; 526 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 527 528 /* 529 * the kX driver leaves some space between voices 530 */ 531 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 532 533 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 534 start_addr, start_addr + (channel_size / 2), NULL); 535 536 /* only difference with the master voice is we use it for the pointer */ 537 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 538 start_addr, start_addr + channel_size, 539 &emu->efx_pcm_mixer[0]); 540 541 start_addr += channel_size; 542 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 543 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 544 start_addr, start_addr + channel_size, 545 &emu->efx_pcm_mixer[i]); 546 start_addr += channel_size; 547 } 548 549 return 0; 550 } 551 552 static struct snd_pcm_hardware snd_emu10k1_efx_playback = 553 { 554 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 555 SNDRV_PCM_INFO_BLOCK_TRANSFER | 556 SNDRV_PCM_INFO_RESUME | 557 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 558 .formats = SNDRV_PCM_FMTBIT_S16_LE, 559 .rates = SNDRV_PCM_RATE_48000, 560 .rate_min = 48000, 561 .rate_max = 48000, 562 .channels_min = NUM_EFX_PLAYBACK, 563 .channels_max = NUM_EFX_PLAYBACK, 564 .buffer_bytes_max = (64*1024), 565 .period_bytes_min = 64, 566 .period_bytes_max = (64*1024), 567 .periods_min = 2, 568 .periods_max = 2, 569 .fifo_size = 0, 570 }; 571 572 static int snd_emu10k1_capture_hw_params(struct snd_pcm_substream *substream, 573 struct snd_pcm_hw_params *hw_params) 574 { 575 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 576 } 577 578 static int snd_emu10k1_capture_hw_free(struct snd_pcm_substream *substream) 579 { 580 return snd_pcm_lib_free_pages(substream); 581 } 582 583 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 584 { 585 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 586 struct snd_pcm_runtime *runtime = substream->runtime; 587 struct snd_emu10k1_pcm *epcm = runtime->private_data; 588 int idx; 589 590 /* zeroing the buffer size will stop capture */ 591 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 592 switch (epcm->type) { 593 case CAPTURE_AC97ADC: 594 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 595 break; 596 case CAPTURE_EFX: 597 if (emu->audigy) { 598 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 599 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 600 } else 601 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 602 break; 603 default: 604 break; 605 } 606 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 607 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 608 epcm->capture_bs_val = 0; 609 for (idx = 0; idx < 31; idx++) { 610 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 611 epcm->capture_bs_val = idx + 1; 612 break; 613 } 614 } 615 if (epcm->capture_bs_val == 0) { 616 snd_BUG(); 617 epcm->capture_bs_val++; 618 } 619 if (epcm->type == CAPTURE_AC97ADC) { 620 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 621 if (runtime->channels > 1) 622 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 623 epcm->capture_cr_val |= emu->audigy ? 624 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 625 snd_emu10k1_capture_rate_reg(runtime->rate); 626 } 627 return 0; 628 } 629 630 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 631 { 632 struct snd_pcm_runtime *runtime; 633 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 634 635 if (evoice == NULL) 636 return; 637 runtime = evoice->epcm->substream->runtime; 638 voice = evoice->number; 639 stereo = (!extra && runtime->channels == 2); 640 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 641 ccis = emu10k1_ccis(stereo, sample == 0); 642 /* set cs to 2 * number of cache registers beside the invalidated */ 643 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 644 if (cs > 16) cs = 16; 645 for (i = 0; i < cs; i++) { 646 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 647 if (stereo) { 648 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 649 } 650 } 651 /* reset cache */ 652 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 653 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 654 if (stereo) { 655 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 656 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 657 } 658 /* fill cache */ 659 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 660 if (stereo) { 661 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 662 } 663 } 664 665 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 666 int master, int extra, 667 struct snd_emu10k1_pcm_mixer *mix) 668 { 669 struct snd_pcm_substream *substream; 670 struct snd_pcm_runtime *runtime; 671 unsigned int attn, vattn; 672 unsigned int voice, tmp; 673 674 if (evoice == NULL) /* skip second voice for mono */ 675 return; 676 substream = evoice->epcm->substream; 677 runtime = substream->runtime; 678 voice = evoice->number; 679 680 attn = extra ? 0 : 0x00ff; 681 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 682 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 683 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 684 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 685 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 686 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 687 snd_emu10k1_voice_clear_loop_stop(emu, voice); 688 } 689 690 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 691 { 692 struct snd_pcm_substream *substream; 693 struct snd_pcm_runtime *runtime; 694 unsigned int voice, pitch, pitch_target; 695 696 if (evoice == NULL) /* skip second voice for mono */ 697 return; 698 substream = evoice->epcm->substream; 699 runtime = substream->runtime; 700 voice = evoice->number; 701 702 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 703 if (emu->card_capabilities->emu_model) 704 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 705 else 706 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 707 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 708 if (master || evoice->epcm->type == PLAYBACK_EFX) 709 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 710 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 711 if (extra) 712 snd_emu10k1_voice_intr_enable(emu, voice); 713 } 714 715 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 716 { 717 unsigned int voice; 718 719 if (evoice == NULL) 720 return; 721 voice = evoice->number; 722 snd_emu10k1_voice_intr_disable(emu, voice); 723 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 724 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 725 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 726 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 727 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 728 snd_emu10k1_ptr_write(emu, IP, voice, 0); 729 } 730 731 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 732 int cmd) 733 { 734 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 735 struct snd_pcm_runtime *runtime = substream->runtime; 736 struct snd_emu10k1_pcm *epcm = runtime->private_data; 737 struct snd_emu10k1_pcm_mixer *mix; 738 int result = 0; 739 740 /* printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); */ 741 spin_lock(&emu->reg_lock); 742 switch (cmd) { 743 case SNDRV_PCM_TRIGGER_START: 744 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 745 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 746 /* follow thru */ 747 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 748 case SNDRV_PCM_TRIGGER_RESUME: 749 mix = &emu->pcm_mixer[substream->number]; 750 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 751 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 752 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 753 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 754 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 755 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 756 epcm->running = 1; 757 break; 758 case SNDRV_PCM_TRIGGER_STOP: 759 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 760 case SNDRV_PCM_TRIGGER_SUSPEND: 761 epcm->running = 0; 762 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 763 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 764 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 765 break; 766 default: 767 result = -EINVAL; 768 break; 769 } 770 spin_unlock(&emu->reg_lock); 771 return result; 772 } 773 774 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 775 int cmd) 776 { 777 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 778 struct snd_pcm_runtime *runtime = substream->runtime; 779 struct snd_emu10k1_pcm *epcm = runtime->private_data; 780 int result = 0; 781 782 spin_lock(&emu->reg_lock); 783 switch (cmd) { 784 case SNDRV_PCM_TRIGGER_START: 785 case SNDRV_PCM_TRIGGER_RESUME: 786 /* hmm this should cause full and half full interrupt to be raised? */ 787 outl(epcm->capture_ipr, emu->port + IPR); 788 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 789 /* printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); */ 790 switch (epcm->type) { 791 case CAPTURE_AC97ADC: 792 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 793 break; 794 case CAPTURE_EFX: 795 if (emu->audigy) { 796 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 797 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 798 snd_printdd("cr_val=0x%x, cr_val2=0x%x\n", epcm->capture_cr_val, epcm->capture_cr_val2); 799 } else 800 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 801 break; 802 default: 803 break; 804 } 805 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 806 epcm->running = 1; 807 epcm->first_ptr = 1; 808 break; 809 case SNDRV_PCM_TRIGGER_STOP: 810 case SNDRV_PCM_TRIGGER_SUSPEND: 811 epcm->running = 0; 812 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 813 outl(epcm->capture_ipr, emu->port + IPR); 814 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 815 switch (epcm->type) { 816 case CAPTURE_AC97ADC: 817 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 818 break; 819 case CAPTURE_EFX: 820 if (emu->audigy) { 821 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 822 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 823 } else 824 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 825 break; 826 default: 827 break; 828 } 829 break; 830 default: 831 result = -EINVAL; 832 } 833 spin_unlock(&emu->reg_lock); 834 return result; 835 } 836 837 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 838 { 839 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 840 struct snd_pcm_runtime *runtime = substream->runtime; 841 struct snd_emu10k1_pcm *epcm = runtime->private_data; 842 unsigned int ptr; 843 844 if (!epcm->running) 845 return 0; 846 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 847 #if 0 /* Perex's code */ 848 ptr += runtime->buffer_size; 849 ptr -= epcm->ccca_start_addr; 850 ptr %= runtime->buffer_size; 851 #else /* EMU10K1 Open Source code from Creative */ 852 if (ptr < epcm->ccca_start_addr) 853 ptr += runtime->buffer_size - epcm->ccca_start_addr; 854 else { 855 ptr -= epcm->ccca_start_addr; 856 if (ptr >= runtime->buffer_size) 857 ptr -= runtime->buffer_size; 858 } 859 #endif 860 /* printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); */ 861 return ptr; 862 } 863 864 865 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 866 int cmd) 867 { 868 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 869 struct snd_pcm_runtime *runtime = substream->runtime; 870 struct snd_emu10k1_pcm *epcm = runtime->private_data; 871 int i; 872 int result = 0; 873 874 spin_lock(&emu->reg_lock); 875 switch (cmd) { 876 case SNDRV_PCM_TRIGGER_START: 877 /* prepare voices */ 878 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 879 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 880 } 881 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 882 883 /* follow thru */ 884 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 885 case SNDRV_PCM_TRIGGER_RESUME: 886 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 887 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 888 &emu->efx_pcm_mixer[0]); 889 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 890 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 891 &emu->efx_pcm_mixer[i]); 892 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 893 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 894 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 895 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 896 epcm->running = 1; 897 break; 898 case SNDRV_PCM_TRIGGER_SUSPEND: 899 case SNDRV_PCM_TRIGGER_STOP: 900 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 901 epcm->running = 0; 902 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 903 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 904 } 905 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 906 break; 907 default: 908 result = -EINVAL; 909 break; 910 } 911 spin_unlock(&emu->reg_lock); 912 return result; 913 } 914 915 916 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 917 { 918 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 919 struct snd_pcm_runtime *runtime = substream->runtime; 920 struct snd_emu10k1_pcm *epcm = runtime->private_data; 921 unsigned int ptr; 922 923 if (!epcm->running) 924 return 0; 925 if (epcm->first_ptr) { 926 udelay(50); /* hack, it takes awhile until capture is started */ 927 epcm->first_ptr = 0; 928 } 929 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 930 return bytes_to_frames(runtime, ptr); 931 } 932 933 /* 934 * Playback support device description 935 */ 936 937 static struct snd_pcm_hardware snd_emu10k1_playback = 938 { 939 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 940 SNDRV_PCM_INFO_BLOCK_TRANSFER | 941 SNDRV_PCM_INFO_RESUME | 942 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 943 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 944 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 945 .rate_min = 4000, 946 .rate_max = 96000, 947 .channels_min = 1, 948 .channels_max = 2, 949 .buffer_bytes_max = (128*1024), 950 .period_bytes_min = 64, 951 .period_bytes_max = (128*1024), 952 .periods_min = 1, 953 .periods_max = 1024, 954 .fifo_size = 0, 955 }; 956 957 /* 958 * Capture support device description 959 */ 960 961 static struct snd_pcm_hardware snd_emu10k1_capture = 962 { 963 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 964 SNDRV_PCM_INFO_BLOCK_TRANSFER | 965 SNDRV_PCM_INFO_RESUME | 966 SNDRV_PCM_INFO_MMAP_VALID), 967 .formats = SNDRV_PCM_FMTBIT_S16_LE, 968 .rates = SNDRV_PCM_RATE_8000_48000, 969 .rate_min = 8000, 970 .rate_max = 48000, 971 .channels_min = 1, 972 .channels_max = 2, 973 .buffer_bytes_max = (64*1024), 974 .period_bytes_min = 384, 975 .period_bytes_max = (64*1024), 976 .periods_min = 2, 977 .periods_max = 2, 978 .fifo_size = 0, 979 }; 980 981 static struct snd_pcm_hardware snd_emu10k1_capture_efx = 982 { 983 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 984 SNDRV_PCM_INFO_BLOCK_TRANSFER | 985 SNDRV_PCM_INFO_RESUME | 986 SNDRV_PCM_INFO_MMAP_VALID), 987 .formats = SNDRV_PCM_FMTBIT_S16_LE, 988 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 989 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 990 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 991 .rate_min = 44100, 992 .rate_max = 192000, 993 .channels_min = 8, 994 .channels_max = 8, 995 .buffer_bytes_max = (64*1024), 996 .period_bytes_min = 384, 997 .period_bytes_max = (64*1024), 998 .periods_min = 2, 999 .periods_max = 2, 1000 .fifo_size = 0, 1001 }; 1002 1003 /* 1004 * 1005 */ 1006 1007 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1008 { 1009 struct snd_ctl_elem_id id; 1010 1011 if (! kctl) 1012 return; 1013 if (activate) 1014 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1015 else 1016 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1017 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1018 SNDRV_CTL_EVENT_MASK_INFO, 1019 snd_ctl_build_ioff(&id, kctl, idx)); 1020 } 1021 1022 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1023 { 1024 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1025 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1026 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1027 } 1028 1029 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1030 { 1031 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1032 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1033 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1034 } 1035 1036 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1037 { 1038 kfree(runtime->private_data); 1039 } 1040 1041 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1042 { 1043 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1044 struct snd_emu10k1_pcm_mixer *mix; 1045 int i; 1046 1047 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1048 mix = &emu->efx_pcm_mixer[i]; 1049 mix->epcm = NULL; 1050 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1051 } 1052 return 0; 1053 } 1054 1055 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1056 { 1057 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1058 struct snd_emu10k1_pcm *epcm; 1059 struct snd_emu10k1_pcm_mixer *mix; 1060 struct snd_pcm_runtime *runtime = substream->runtime; 1061 int i; 1062 1063 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1064 if (epcm == NULL) 1065 return -ENOMEM; 1066 epcm->emu = emu; 1067 epcm->type = PLAYBACK_EFX; 1068 epcm->substream = substream; 1069 1070 emu->pcm_playback_efx_substream = substream; 1071 1072 runtime->private_data = epcm; 1073 runtime->private_free = snd_emu10k1_pcm_free_substream; 1074 runtime->hw = snd_emu10k1_efx_playback; 1075 1076 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1077 mix = &emu->efx_pcm_mixer[i]; 1078 mix->send_routing[0][0] = i; 1079 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1080 mix->send_volume[0][0] = 255; 1081 mix->attn[0] = 0xffff; 1082 mix->epcm = epcm; 1083 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1084 } 1085 return 0; 1086 } 1087 1088 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1089 { 1090 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1091 struct snd_emu10k1_pcm *epcm; 1092 struct snd_emu10k1_pcm_mixer *mix; 1093 struct snd_pcm_runtime *runtime = substream->runtime; 1094 int i, err; 1095 1096 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1097 if (epcm == NULL) 1098 return -ENOMEM; 1099 epcm->emu = emu; 1100 epcm->type = PLAYBACK_EMUVOICE; 1101 epcm->substream = substream; 1102 runtime->private_data = epcm; 1103 runtime->private_free = snd_emu10k1_pcm_free_substream; 1104 runtime->hw = snd_emu10k1_playback; 1105 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1106 kfree(epcm); 1107 return err; 1108 } 1109 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1110 kfree(epcm); 1111 return err; 1112 } 1113 mix = &emu->pcm_mixer[substream->number]; 1114 for (i = 0; i < 4; i++) 1115 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1116 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1117 mix->send_volume[0][0] = mix->send_volume[0][1] = 1118 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1119 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1120 mix->epcm = epcm; 1121 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1122 return 0; 1123 } 1124 1125 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1126 { 1127 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1128 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1129 1130 mix->epcm = NULL; 1131 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1132 return 0; 1133 } 1134 1135 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1136 { 1137 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1138 struct snd_pcm_runtime *runtime = substream->runtime; 1139 struct snd_emu10k1_pcm *epcm; 1140 1141 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1142 if (epcm == NULL) 1143 return -ENOMEM; 1144 epcm->emu = emu; 1145 epcm->type = CAPTURE_AC97ADC; 1146 epcm->substream = substream; 1147 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1148 epcm->capture_inte = INTE_ADCBUFENABLE; 1149 epcm->capture_ba_reg = ADCBA; 1150 epcm->capture_bs_reg = ADCBS; 1151 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1152 runtime->private_data = epcm; 1153 runtime->private_free = snd_emu10k1_pcm_free_substream; 1154 runtime->hw = snd_emu10k1_capture; 1155 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1156 emu->pcm_capture_substream = substream; 1157 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1158 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1159 return 0; 1160 } 1161 1162 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1163 { 1164 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1165 1166 emu->capture_interrupt = NULL; 1167 emu->pcm_capture_substream = NULL; 1168 return 0; 1169 } 1170 1171 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1172 { 1173 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1174 struct snd_emu10k1_pcm *epcm; 1175 struct snd_pcm_runtime *runtime = substream->runtime; 1176 1177 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1178 if (epcm == NULL) 1179 return -ENOMEM; 1180 epcm->emu = emu; 1181 epcm->type = CAPTURE_AC97MIC; 1182 epcm->substream = substream; 1183 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1184 epcm->capture_inte = INTE_MICBUFENABLE; 1185 epcm->capture_ba_reg = MICBA; 1186 epcm->capture_bs_reg = MICBS; 1187 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1188 substream->runtime->private_data = epcm; 1189 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1190 runtime->hw = snd_emu10k1_capture; 1191 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1192 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1193 runtime->hw.channels_min = 1; 1194 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1195 emu->pcm_capture_mic_substream = substream; 1196 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1197 return 0; 1198 } 1199 1200 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1201 { 1202 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1203 1204 emu->capture_interrupt = NULL; 1205 emu->pcm_capture_mic_substream = NULL; 1206 return 0; 1207 } 1208 1209 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1210 { 1211 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1212 struct snd_emu10k1_pcm *epcm; 1213 struct snd_pcm_runtime *runtime = substream->runtime; 1214 int nefx = emu->audigy ? 64 : 32; 1215 int idx; 1216 1217 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1218 if (epcm == NULL) 1219 return -ENOMEM; 1220 epcm->emu = emu; 1221 epcm->type = CAPTURE_EFX; 1222 epcm->substream = substream; 1223 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1224 epcm->capture_inte = INTE_EFXBUFENABLE; 1225 epcm->capture_ba_reg = FXBA; 1226 epcm->capture_bs_reg = FXBS; 1227 epcm->capture_idx_reg = FXIDX; 1228 substream->runtime->private_data = epcm; 1229 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1230 runtime->hw = snd_emu10k1_capture_efx; 1231 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1232 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1233 spin_lock_irq(&emu->reg_lock); 1234 if (emu->card_capabilities->emu_model) { 1235 /* Nb. of channels has been increased to 16 */ 1236 /* TODO 1237 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1238 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1239 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1240 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1241 * rate_min = 44100, 1242 * rate_max = 192000, 1243 * channels_min = 16, 1244 * channels_max = 16, 1245 * Need to add mixer control to fix sample rate 1246 * 1247 * There are 32 mono channels of 16bits each. 1248 * 24bit Audio uses 2x channels over 16bit 1249 * 96kHz uses 2x channels over 48kHz 1250 * 192kHz uses 4x channels over 48kHz 1251 * So, for 48kHz 24bit, one has 16 channels 1252 * for 96kHz 24bit, one has 8 channels 1253 * for 192kHz 24bit, one has 4 channels 1254 * 1255 */ 1256 #if 1 1257 switch (emu->emu1010.internal_clock) { 1258 case 0: 1259 /* For 44.1kHz */ 1260 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1261 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1262 runtime->hw.channels_min = 1263 runtime->hw.channels_max = 16; 1264 break; 1265 case 1: 1266 /* For 48kHz */ 1267 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1268 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1269 runtime->hw.channels_min = 1270 runtime->hw.channels_max = 16; 1271 break; 1272 }; 1273 #endif 1274 #if 0 1275 /* For 96kHz */ 1276 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1277 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1278 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1279 #endif 1280 #if 0 1281 /* For 192kHz */ 1282 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1283 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1284 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1285 #endif 1286 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1287 /* efx_voices_mask[0] is expected to be zero 1288 * efx_voices_mask[1] is expected to have 32bits set 1289 */ 1290 } else { 1291 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1292 for (idx = 0; idx < nefx; idx++) { 1293 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1294 runtime->hw.channels_min++; 1295 runtime->hw.channels_max++; 1296 } 1297 } 1298 } 1299 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1300 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1301 spin_unlock_irq(&emu->reg_lock); 1302 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1303 emu->pcm_capture_efx_substream = substream; 1304 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1305 return 0; 1306 } 1307 1308 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1309 { 1310 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1311 1312 emu->capture_interrupt = NULL; 1313 emu->pcm_capture_efx_substream = NULL; 1314 return 0; 1315 } 1316 1317 static struct snd_pcm_ops snd_emu10k1_playback_ops = { 1318 .open = snd_emu10k1_playback_open, 1319 .close = snd_emu10k1_playback_close, 1320 .ioctl = snd_pcm_lib_ioctl, 1321 .hw_params = snd_emu10k1_playback_hw_params, 1322 .hw_free = snd_emu10k1_playback_hw_free, 1323 .prepare = snd_emu10k1_playback_prepare, 1324 .trigger = snd_emu10k1_playback_trigger, 1325 .pointer = snd_emu10k1_playback_pointer, 1326 .page = snd_pcm_sgbuf_ops_page, 1327 }; 1328 1329 static struct snd_pcm_ops snd_emu10k1_capture_ops = { 1330 .open = snd_emu10k1_capture_open, 1331 .close = snd_emu10k1_capture_close, 1332 .ioctl = snd_pcm_lib_ioctl, 1333 .hw_params = snd_emu10k1_capture_hw_params, 1334 .hw_free = snd_emu10k1_capture_hw_free, 1335 .prepare = snd_emu10k1_capture_prepare, 1336 .trigger = snd_emu10k1_capture_trigger, 1337 .pointer = snd_emu10k1_capture_pointer, 1338 }; 1339 1340 /* EFX playback */ 1341 static struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1342 .open = snd_emu10k1_efx_playback_open, 1343 .close = snd_emu10k1_efx_playback_close, 1344 .ioctl = snd_pcm_lib_ioctl, 1345 .hw_params = snd_emu10k1_playback_hw_params, 1346 .hw_free = snd_emu10k1_efx_playback_hw_free, 1347 .prepare = snd_emu10k1_efx_playback_prepare, 1348 .trigger = snd_emu10k1_efx_playback_trigger, 1349 .pointer = snd_emu10k1_efx_playback_pointer, 1350 .page = snd_pcm_sgbuf_ops_page, 1351 }; 1352 1353 int __devinit snd_emu10k1_pcm(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1354 { 1355 struct snd_pcm *pcm; 1356 struct snd_pcm_substream *substream; 1357 int err; 1358 1359 if (rpcm) 1360 *rpcm = NULL; 1361 1362 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1363 return err; 1364 1365 pcm->private_data = emu; 1366 1367 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1368 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1369 1370 pcm->info_flags = 0; 1371 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1372 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1373 emu->pcm = pcm; 1374 1375 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1376 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1377 return err; 1378 1379 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1380 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1381 1382 if (rpcm) 1383 *rpcm = pcm; 1384 1385 return 0; 1386 } 1387 1388 int __devinit snd_emu10k1_pcm_multi(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1389 { 1390 struct snd_pcm *pcm; 1391 struct snd_pcm_substream *substream; 1392 int err; 1393 1394 if (rpcm) 1395 *rpcm = NULL; 1396 1397 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1398 return err; 1399 1400 pcm->private_data = emu; 1401 1402 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1403 1404 pcm->info_flags = 0; 1405 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1406 strcpy(pcm->name, "Multichannel Playback"); 1407 emu->pcm_multi = pcm; 1408 1409 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1410 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1411 return err; 1412 1413 if (rpcm) 1414 *rpcm = pcm; 1415 1416 return 0; 1417 } 1418 1419 1420 static struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1421 .open = snd_emu10k1_capture_mic_open, 1422 .close = snd_emu10k1_capture_mic_close, 1423 .ioctl = snd_pcm_lib_ioctl, 1424 .hw_params = snd_emu10k1_capture_hw_params, 1425 .hw_free = snd_emu10k1_capture_hw_free, 1426 .prepare = snd_emu10k1_capture_prepare, 1427 .trigger = snd_emu10k1_capture_trigger, 1428 .pointer = snd_emu10k1_capture_pointer, 1429 }; 1430 1431 int __devinit snd_emu10k1_pcm_mic(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1432 { 1433 struct snd_pcm *pcm; 1434 int err; 1435 1436 if (rpcm) 1437 *rpcm = NULL; 1438 1439 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1440 return err; 1441 1442 pcm->private_data = emu; 1443 1444 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1445 1446 pcm->info_flags = 0; 1447 strcpy(pcm->name, "Mic Capture"); 1448 emu->pcm_mic = pcm; 1449 1450 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1451 1452 if (rpcm) 1453 *rpcm = pcm; 1454 return 0; 1455 } 1456 1457 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1458 { 1459 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1460 int nefx = emu->audigy ? 64 : 32; 1461 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1462 uinfo->count = nefx; 1463 uinfo->value.integer.min = 0; 1464 uinfo->value.integer.max = 1; 1465 return 0; 1466 } 1467 1468 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1469 { 1470 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1471 int nefx = emu->audigy ? 64 : 32; 1472 int idx; 1473 1474 spin_lock_irq(&emu->reg_lock); 1475 for (idx = 0; idx < nefx; idx++) 1476 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1477 spin_unlock_irq(&emu->reg_lock); 1478 return 0; 1479 } 1480 1481 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1482 { 1483 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1484 unsigned int nval[2], bits; 1485 int nefx = emu->audigy ? 64 : 32; 1486 int nefxb = emu->audigy ? 7 : 6; 1487 int change, idx; 1488 1489 nval[0] = nval[1] = 0; 1490 for (idx = 0, bits = 0; idx < nefx; idx++) 1491 if (ucontrol->value.integer.value[idx]) { 1492 nval[idx / 32] |= 1 << (idx % 32); 1493 bits++; 1494 } 1495 1496 for (idx = 0; idx < nefxb; idx++) 1497 if (1 << idx == bits) 1498 break; 1499 1500 if (idx >= nefxb) 1501 return -EINVAL; 1502 1503 spin_lock_irq(&emu->reg_lock); 1504 change = (nval[0] != emu->efx_voices_mask[0]) || 1505 (nval[1] != emu->efx_voices_mask[1]); 1506 emu->efx_voices_mask[0] = nval[0]; 1507 emu->efx_voices_mask[1] = nval[1]; 1508 spin_unlock_irq(&emu->reg_lock); 1509 return change; 1510 } 1511 1512 static struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1513 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1514 .name = "Captured FX8010 Outputs", 1515 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1516 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1517 .put = snd_emu10k1_pcm_efx_voices_mask_put 1518 }; 1519 1520 static struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1521 .open = snd_emu10k1_capture_efx_open, 1522 .close = snd_emu10k1_capture_efx_close, 1523 .ioctl = snd_pcm_lib_ioctl, 1524 .hw_params = snd_emu10k1_capture_hw_params, 1525 .hw_free = snd_emu10k1_capture_hw_free, 1526 .prepare = snd_emu10k1_capture_prepare, 1527 .trigger = snd_emu10k1_capture_trigger, 1528 .pointer = snd_emu10k1_capture_pointer, 1529 }; 1530 1531 1532 /* EFX playback */ 1533 1534 #define INITIAL_TRAM_SHIFT 14 1535 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1536 1537 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1538 { 1539 struct snd_pcm_substream *substream = private_data; 1540 snd_pcm_period_elapsed(substream); 1541 } 1542 1543 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1544 unsigned short *dst_right, 1545 unsigned short *src, 1546 unsigned int count, 1547 unsigned int tram_shift) 1548 { 1549 /* printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); */ 1550 if ((tram_shift & 1) == 0) { 1551 while (count--) { 1552 *dst_left-- = *src++; 1553 *dst_right-- = *src++; 1554 } 1555 } else { 1556 while (count--) { 1557 *dst_right-- = *src++; 1558 *dst_left-- = *src++; 1559 } 1560 } 1561 } 1562 1563 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1564 struct snd_pcm_indirect *rec, size_t bytes) 1565 { 1566 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1567 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1568 unsigned int tram_size = pcm->buffer_size; 1569 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1570 unsigned int frames = bytes >> 2, count; 1571 unsigned int tram_pos = pcm->tram_pos; 1572 unsigned int tram_shift = pcm->tram_shift; 1573 1574 while (frames > tram_pos) { 1575 count = tram_pos + 1; 1576 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1577 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1578 src, count, tram_shift); 1579 src += count * 2; 1580 frames -= count; 1581 tram_pos = (tram_size / 2) - 1; 1582 tram_shift++; 1583 } 1584 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1585 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1586 src, frames, tram_shift); 1587 tram_pos -= frames; 1588 pcm->tram_pos = tram_pos; 1589 pcm->tram_shift = tram_shift; 1590 } 1591 1592 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1593 { 1594 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1595 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1596 1597 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1598 return 0; 1599 } 1600 1601 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1602 struct snd_pcm_hw_params *hw_params) 1603 { 1604 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1605 } 1606 1607 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1608 { 1609 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1610 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1611 unsigned int i; 1612 1613 for (i = 0; i < pcm->channels; i++) 1614 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1615 snd_pcm_lib_free_pages(substream); 1616 return 0; 1617 } 1618 1619 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1620 { 1621 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1622 struct snd_pcm_runtime *runtime = substream->runtime; 1623 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1624 unsigned int i; 1625 1626 /* 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); */ 1627 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1628 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1629 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1630 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1631 pcm->tram_shift = 0; 1632 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1633 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1634 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1635 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1636 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1637 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1638 for (i = 0; i < pcm->channels; i++) 1639 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1640 return 0; 1641 } 1642 1643 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1644 { 1645 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1646 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1647 int result = 0; 1648 1649 spin_lock(&emu->reg_lock); 1650 switch (cmd) { 1651 case SNDRV_PCM_TRIGGER_START: 1652 /* follow thru */ 1653 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1654 case SNDRV_PCM_TRIGGER_RESUME: 1655 #ifdef EMU10K1_SET_AC3_IEC958 1656 { 1657 int i; 1658 for (i = 0; i < 3; i++) { 1659 unsigned int bits; 1660 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1661 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1662 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1663 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1664 } 1665 } 1666 #endif 1667 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1668 if (result < 0) 1669 goto __err; 1670 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1671 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1672 break; 1673 case SNDRV_PCM_TRIGGER_STOP: 1674 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1675 case SNDRV_PCM_TRIGGER_SUSPEND: 1676 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1677 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1678 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1679 pcm->tram_shift = 0; 1680 break; 1681 default: 1682 result = -EINVAL; 1683 break; 1684 } 1685 __err: 1686 spin_unlock(&emu->reg_lock); 1687 return result; 1688 } 1689 1690 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1691 { 1692 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1693 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1694 size_t ptr; /* byte pointer */ 1695 1696 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1697 return 0; 1698 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1699 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1700 } 1701 1702 static struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1703 { 1704 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1705 SNDRV_PCM_INFO_RESUME | 1706 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1707 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1708 .rates = SNDRV_PCM_RATE_48000, 1709 .rate_min = 48000, 1710 .rate_max = 48000, 1711 .channels_min = 1, 1712 .channels_max = 1, 1713 .buffer_bytes_max = (128*1024), 1714 .period_bytes_min = 1024, 1715 .period_bytes_max = (128*1024), 1716 .periods_min = 1, 1717 .periods_max = 1024, 1718 .fifo_size = 0, 1719 }; 1720 1721 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1722 { 1723 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1724 struct snd_pcm_runtime *runtime = substream->runtime; 1725 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1726 1727 runtime->hw = snd_emu10k1_fx8010_playback; 1728 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1729 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1730 spin_lock_irq(&emu->reg_lock); 1731 if (pcm->valid == 0) { 1732 spin_unlock_irq(&emu->reg_lock); 1733 return -ENODEV; 1734 } 1735 pcm->opened = 1; 1736 spin_unlock_irq(&emu->reg_lock); 1737 return 0; 1738 } 1739 1740 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1741 { 1742 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1743 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1744 1745 spin_lock_irq(&emu->reg_lock); 1746 pcm->opened = 0; 1747 spin_unlock_irq(&emu->reg_lock); 1748 return 0; 1749 } 1750 1751 static struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1752 .open = snd_emu10k1_fx8010_playback_open, 1753 .close = snd_emu10k1_fx8010_playback_close, 1754 .ioctl = snd_pcm_lib_ioctl, 1755 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1756 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1757 .prepare = snd_emu10k1_fx8010_playback_prepare, 1758 .trigger = snd_emu10k1_fx8010_playback_trigger, 1759 .pointer = snd_emu10k1_fx8010_playback_pointer, 1760 .ack = snd_emu10k1_fx8010_playback_transfer, 1761 }; 1762 1763 int __devinit snd_emu10k1_pcm_efx(struct snd_emu10k1 * emu, int device, struct snd_pcm ** rpcm) 1764 { 1765 struct snd_pcm *pcm; 1766 struct snd_kcontrol *kctl; 1767 int err; 1768 1769 if (rpcm) 1770 *rpcm = NULL; 1771 1772 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1773 return err; 1774 1775 pcm->private_data = emu; 1776 1777 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1778 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1779 1780 pcm->info_flags = 0; 1781 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1782 emu->pcm_efx = pcm; 1783 if (rpcm) 1784 *rpcm = pcm; 1785 1786 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1787 * to these 1788 */ 1789 1790 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1791 if (emu->audigy) { 1792 emu->efx_voices_mask[0] = 0; 1793 if (emu->card_capabilities->emu_model) 1794 /* Pavel Hofman - 32 voices will be used for 1795 * capture (write mode) - 1796 * each bit = corresponding voice 1797 */ 1798 emu->efx_voices_mask[1] = 0xffffffff; 1799 else 1800 emu->efx_voices_mask[1] = 0xffff; 1801 } else { 1802 emu->efx_voices_mask[0] = 0xffff0000; 1803 emu->efx_voices_mask[1] = 0; 1804 } 1805 /* For emu1010, the control has to set 32 upper bits (voices) 1806 * out of the 64 bits (voices) to true for the 16-channels capture 1807 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1808 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1809 * control can override this register's value. 1810 */ 1811 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1812 if (!kctl) 1813 return -ENOMEM; 1814 kctl->id.device = device; 1815 snd_ctl_add(emu->card, kctl); 1816 1817 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1818 1819 return 0; 1820 } 1821