1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * Creative Labs, Inc. 5 * Routines for control of EMU10K1 chips / PCM routines 6 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 7 * 8 * BUGS: 9 * -- 10 * 11 * TODO: 12 * -- 13 */ 14 15 #include <linux/pci.h> 16 #include <linux/delay.h> 17 #include <linux/slab.h> 18 #include <linux/time.h> 19 #include <linux/init.h> 20 #include <sound/core.h> 21 #include <sound/emu10k1.h> 22 23 static void snd_emu10k1_pcm_interrupt(struct snd_emu10k1 *emu, 24 struct snd_emu10k1_voice *voice) 25 { 26 struct snd_emu10k1_pcm *epcm; 27 28 if ((epcm = voice->epcm) == NULL) 29 return; 30 if (epcm->substream == NULL) 31 return; 32 #if 0 33 dev_dbg(emu->card->dev, 34 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 35 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 36 snd_pcm_lib_period_bytes(epcm->substream), 37 snd_pcm_lib_buffer_bytes(epcm->substream)); 38 #endif 39 snd_pcm_period_elapsed(epcm->substream); 40 } 41 42 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 43 unsigned int status) 44 { 45 #if 0 46 if (status & IPR_ADCBUFHALFFULL) { 47 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 48 return; 49 } 50 #endif 51 snd_pcm_period_elapsed(emu->pcm_capture_substream); 52 } 53 54 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 55 unsigned int status) 56 { 57 #if 0 58 if (status & IPR_MICBUFHALFFULL) { 59 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 60 return; 61 } 62 #endif 63 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 64 } 65 66 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 67 unsigned int status) 68 { 69 #if 0 70 if (status & IPR_EFXBUFHALFFULL) { 71 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 72 return; 73 } 74 #endif 75 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 76 } 77 78 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(struct snd_pcm_substream *substream) 79 { 80 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 81 struct snd_pcm_runtime *runtime = substream->runtime; 82 struct snd_emu10k1_pcm *epcm = runtime->private_data; 83 unsigned int ptr; 84 85 if (!epcm->running) 86 return 0; 87 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 88 ptr += runtime->buffer_size; 89 ptr -= epcm->ccca_start_addr; 90 ptr %= runtime->buffer_size; 91 92 return ptr; 93 } 94 95 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 96 { 97 int err, i; 98 99 if (epcm->voices[1] != NULL && voices < 2) { 100 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 101 epcm->voices[1] = NULL; 102 } 103 for (i = 0; i < voices; i++) { 104 if (epcm->voices[i] == NULL) 105 break; 106 } 107 if (i == voices) 108 return 0; /* already allocated */ 109 110 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 111 if (epcm->voices[i]) { 112 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 113 epcm->voices[i] = NULL; 114 } 115 } 116 err = snd_emu10k1_voice_alloc(epcm->emu, 117 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 118 voices, 119 &epcm->voices[0]); 120 121 if (err < 0) 122 return err; 123 epcm->voices[0]->epcm = epcm; 124 if (voices > 1) { 125 for (i = 1; i < voices; i++) { 126 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 127 epcm->voices[i]->epcm = epcm; 128 } 129 } 130 if (epcm->extra == NULL) { 131 err = snd_emu10k1_voice_alloc(epcm->emu, 132 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 133 1, 134 &epcm->extra); 135 if (err < 0) { 136 /* 137 dev_dbg(emu->card->dev, "pcm_channel_alloc: " 138 "failed extra: voices=%d, frame=%d\n", 139 voices, frame); 140 */ 141 for (i = 0; i < voices; i++) { 142 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 143 epcm->voices[i] = NULL; 144 } 145 return err; 146 } 147 epcm->extra->epcm = epcm; 148 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 149 } 150 return 0; 151 } 152 153 static const unsigned int capture_period_sizes[31] = { 154 384, 448, 512, 640, 155 384*2, 448*2, 512*2, 640*2, 156 384*4, 448*4, 512*4, 640*4, 157 384*8, 448*8, 512*8, 640*8, 158 384*16, 448*16, 512*16, 640*16, 159 384*32, 448*32, 512*32, 640*32, 160 384*64, 448*64, 512*64, 640*64, 161 384*128,448*128,512*128 162 }; 163 164 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 165 .count = 31, 166 .list = capture_period_sizes, 167 .mask = 0 168 }; 169 170 static const unsigned int capture_rates[8] = { 171 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 172 }; 173 174 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 175 .count = 8, 176 .list = capture_rates, 177 .mask = 0 178 }; 179 180 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 181 { 182 switch (rate) { 183 case 8000: return ADCCR_SAMPLERATE_8; 184 case 11025: return ADCCR_SAMPLERATE_11; 185 case 16000: return ADCCR_SAMPLERATE_16; 186 case 22050: return ADCCR_SAMPLERATE_22; 187 case 24000: return ADCCR_SAMPLERATE_24; 188 case 32000: return ADCCR_SAMPLERATE_32; 189 case 44100: return ADCCR_SAMPLERATE_44; 190 case 48000: return ADCCR_SAMPLERATE_48; 191 default: 192 snd_BUG(); 193 return ADCCR_SAMPLERATE_8; 194 } 195 } 196 197 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 198 { 199 switch (rate) { 200 case 8000: return A_ADCCR_SAMPLERATE_8; 201 case 11025: return A_ADCCR_SAMPLERATE_11; 202 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 203 case 16000: return ADCCR_SAMPLERATE_16; 204 case 22050: return ADCCR_SAMPLERATE_22; 205 case 24000: return ADCCR_SAMPLERATE_24; 206 case 32000: return ADCCR_SAMPLERATE_32; 207 case 44100: return ADCCR_SAMPLERATE_44; 208 case 48000: return ADCCR_SAMPLERATE_48; 209 default: 210 snd_BUG(); 211 return A_ADCCR_SAMPLERATE_8; 212 } 213 } 214 215 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 216 { 217 unsigned int pitch_target; 218 219 pitch_target = (rate << 8) / 375; 220 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 221 return pitch_target; 222 } 223 224 #define PITCH_48000 0x00004000 225 #define PITCH_96000 0x00008000 226 #define PITCH_85000 0x00007155 227 #define PITCH_80726 0x00006ba2 228 #define PITCH_67882 0x00005a82 229 #define PITCH_57081 0x00004c1c 230 231 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 232 { 233 if (pitch_target == PITCH_48000) 234 return CCCA_INTERPROM_0; 235 else if (pitch_target < PITCH_48000) 236 return CCCA_INTERPROM_1; 237 else if (pitch_target >= PITCH_96000) 238 return CCCA_INTERPROM_0; 239 else if (pitch_target >= PITCH_85000) 240 return CCCA_INTERPROM_6; 241 else if (pitch_target >= PITCH_80726) 242 return CCCA_INTERPROM_5; 243 else if (pitch_target >= PITCH_67882) 244 return CCCA_INTERPROM_4; 245 else if (pitch_target >= PITCH_57081) 246 return CCCA_INTERPROM_3; 247 else 248 return CCCA_INTERPROM_2; 249 } 250 251 /* 252 * calculate cache invalidate size 253 * 254 * stereo: channel is stereo 255 * w_16: using 16bit samples 256 * 257 * returns: cache invalidate size in samples 258 */ 259 static inline int emu10k1_ccis(int stereo, int w_16) 260 { 261 if (w_16) { 262 return stereo ? 24 : 26; 263 } else { 264 return stereo ? 24*2 : 26*2; 265 } 266 } 267 268 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 269 int master, int extra, 270 struct snd_emu10k1_voice *evoice, 271 unsigned int start_addr, 272 unsigned int end_addr, 273 struct snd_emu10k1_pcm_mixer *mix) 274 { 275 struct snd_pcm_substream *substream = evoice->epcm->substream; 276 struct snd_pcm_runtime *runtime = substream->runtime; 277 unsigned int silent_page, tmp; 278 int voice, stereo, w_16; 279 unsigned char send_amount[8]; 280 unsigned char send_routing[8]; 281 unsigned long flags; 282 unsigned int pitch_target; 283 unsigned int ccis; 284 285 voice = evoice->number; 286 stereo = runtime->channels == 2; 287 w_16 = snd_pcm_format_width(runtime->format) == 16; 288 289 if (!extra && stereo) { 290 start_addr >>= 1; 291 end_addr >>= 1; 292 } 293 if (w_16) { 294 start_addr >>= 1; 295 end_addr >>= 1; 296 } 297 298 spin_lock_irqsave(&emu->reg_lock, flags); 299 300 /* volume parameters */ 301 if (extra) { 302 memset(send_routing, 0, sizeof(send_routing)); 303 send_routing[0] = 0; 304 send_routing[1] = 1; 305 send_routing[2] = 2; 306 send_routing[3] = 3; 307 memset(send_amount, 0, sizeof(send_amount)); 308 } else { 309 /* mono, left, right (master voice = left) */ 310 tmp = stereo ? (master ? 1 : 2) : 0; 311 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 312 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 313 } 314 315 ccis = emu10k1_ccis(stereo, w_16); 316 317 if (master) { 318 evoice->epcm->ccca_start_addr = start_addr + ccis; 319 if (extra) { 320 start_addr += ccis; 321 end_addr += ccis + emu->delay_pcm_irq; 322 } 323 if (stereo && !extra) { 324 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 325 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 326 } else { 327 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 328 } 329 } 330 331 /* setup routing */ 332 if (emu->audigy) { 333 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 334 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 335 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 336 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 337 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 338 ((unsigned int)send_amount[4] << 24) | 339 ((unsigned int)send_amount[5] << 16) | 340 ((unsigned int)send_amount[6] << 8) | 341 (unsigned int)send_amount[7]); 342 } else 343 snd_emu10k1_ptr_write(emu, FXRT, voice, 344 snd_emu10k1_compose_send_routing(send_routing)); 345 /* Stop CA */ 346 /* Assumption that PT is already 0 so no harm overwriting */ 347 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 348 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 349 snd_emu10k1_ptr_write(emu, PSST, voice, 350 (start_addr + (extra ? emu->delay_pcm_irq : 0)) | 351 (send_amount[2] << 24)); 352 if (emu->card_capabilities->emu_model) 353 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 354 else 355 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 356 if (extra) 357 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 358 emu10k1_select_interprom(pitch_target) | 359 (w_16 ? 0 : CCCA_8BITSELECT)); 360 else 361 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 362 emu10k1_select_interprom(pitch_target) | 363 (w_16 ? 0 : CCCA_8BITSELECT)); 364 /* Clear filter delay memory */ 365 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 366 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 367 /* invalidate maps */ 368 silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); 369 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 370 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 371 /* modulation envelope */ 372 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 373 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 374 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 375 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 376 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 377 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 378 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 379 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 380 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 381 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 382 /* volume envelope */ 383 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 384 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 385 /* filter envelope */ 386 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 387 /* pitch envelope */ 388 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 389 390 spin_unlock_irqrestore(&emu->reg_lock, flags); 391 } 392 393 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 394 struct snd_pcm_hw_params *hw_params) 395 { 396 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 397 struct snd_pcm_runtime *runtime = substream->runtime; 398 struct snd_emu10k1_pcm *epcm = runtime->private_data; 399 size_t alloc_size; 400 int err; 401 402 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 403 return err; 404 405 alloc_size = params_buffer_bytes(hw_params); 406 if (emu->iommu_workaround) 407 alloc_size += EMUPAGESIZE; 408 err = snd_pcm_lib_malloc_pages(substream, alloc_size); 409 if (err < 0) 410 return err; 411 if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE) 412 runtime->dma_bytes -= EMUPAGESIZE; 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 const 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 inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 732 struct snd_emu10k1_pcm *epcm, 733 struct snd_pcm_substream *substream, 734 struct snd_pcm_runtime *runtime) 735 { 736 unsigned int ptr, period_pos; 737 738 /* try to sychronize the current position for the interrupt 739 source voice */ 740 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 741 period_pos %= runtime->period_size; 742 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 743 ptr &= ~0x00ffffff; 744 ptr |= epcm->ccca_start_addr + period_pos; 745 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 746 } 747 748 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 749 int cmd) 750 { 751 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 752 struct snd_pcm_runtime *runtime = substream->runtime; 753 struct snd_emu10k1_pcm *epcm = runtime->private_data; 754 struct snd_emu10k1_pcm_mixer *mix; 755 int result = 0; 756 757 /* 758 dev_dbg(emu->card->dev, 759 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 760 (int)emu, cmd, substream->ops->pointer(substream)) 761 */ 762 spin_lock(&emu->reg_lock); 763 switch (cmd) { 764 case SNDRV_PCM_TRIGGER_START: 765 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 766 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 767 /* fall through */ 768 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 769 case SNDRV_PCM_TRIGGER_RESUME: 770 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 771 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 772 mix = &emu->pcm_mixer[substream->number]; 773 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 774 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 775 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 776 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 777 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 778 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 779 epcm->running = 1; 780 break; 781 case SNDRV_PCM_TRIGGER_STOP: 782 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 783 case SNDRV_PCM_TRIGGER_SUSPEND: 784 epcm->running = 0; 785 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 786 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 787 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 788 break; 789 default: 790 result = -EINVAL; 791 break; 792 } 793 spin_unlock(&emu->reg_lock); 794 return result; 795 } 796 797 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 798 int cmd) 799 { 800 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 801 struct snd_pcm_runtime *runtime = substream->runtime; 802 struct snd_emu10k1_pcm *epcm = runtime->private_data; 803 int result = 0; 804 805 spin_lock(&emu->reg_lock); 806 switch (cmd) { 807 case SNDRV_PCM_TRIGGER_START: 808 case SNDRV_PCM_TRIGGER_RESUME: 809 /* hmm this should cause full and half full interrupt to be raised? */ 810 outl(epcm->capture_ipr, emu->port + IPR); 811 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 812 /* 813 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", 814 epcm->adccr, epcm->adcbs); 815 */ 816 switch (epcm->type) { 817 case CAPTURE_AC97ADC: 818 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 819 break; 820 case CAPTURE_EFX: 821 if (emu->audigy) { 822 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 823 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 824 dev_dbg(emu->card->dev, 825 "cr_val=0x%x, cr_val2=0x%x\n", 826 epcm->capture_cr_val, 827 epcm->capture_cr_val2); 828 } else 829 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 830 break; 831 default: 832 break; 833 } 834 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 835 epcm->running = 1; 836 epcm->first_ptr = 1; 837 break; 838 case SNDRV_PCM_TRIGGER_STOP: 839 case SNDRV_PCM_TRIGGER_SUSPEND: 840 epcm->running = 0; 841 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 842 outl(epcm->capture_ipr, emu->port + IPR); 843 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 844 switch (epcm->type) { 845 case CAPTURE_AC97ADC: 846 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 847 break; 848 case CAPTURE_EFX: 849 if (emu->audigy) { 850 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 851 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 852 } else 853 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 854 break; 855 default: 856 break; 857 } 858 break; 859 default: 860 result = -EINVAL; 861 } 862 spin_unlock(&emu->reg_lock); 863 return result; 864 } 865 866 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 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 unsigned int ptr; 872 873 if (!epcm->running) 874 return 0; 875 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 876 #if 0 /* Perex's code */ 877 ptr += runtime->buffer_size; 878 ptr -= epcm->ccca_start_addr; 879 ptr %= runtime->buffer_size; 880 #else /* EMU10K1 Open Source code from Creative */ 881 if (ptr < epcm->ccca_start_addr) 882 ptr += runtime->buffer_size - epcm->ccca_start_addr; 883 else { 884 ptr -= epcm->ccca_start_addr; 885 if (ptr >= runtime->buffer_size) 886 ptr -= runtime->buffer_size; 887 } 888 #endif 889 /* 890 dev_dbg(emu->card->dev, 891 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 892 (long)ptr, (long)runtime->buffer_size, 893 (long)runtime->period_size); 894 */ 895 return ptr; 896 } 897 898 899 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 900 int cmd) 901 { 902 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 903 struct snd_pcm_runtime *runtime = substream->runtime; 904 struct snd_emu10k1_pcm *epcm = runtime->private_data; 905 int i; 906 int result = 0; 907 908 spin_lock(&emu->reg_lock); 909 switch (cmd) { 910 case SNDRV_PCM_TRIGGER_START: 911 /* prepare voices */ 912 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 913 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 914 } 915 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 916 917 /* fall through */ 918 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 919 case SNDRV_PCM_TRIGGER_RESUME: 920 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 921 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 922 &emu->efx_pcm_mixer[0]); 923 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 924 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 925 &emu->efx_pcm_mixer[i]); 926 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 927 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 928 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 929 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 930 epcm->running = 1; 931 break; 932 case SNDRV_PCM_TRIGGER_SUSPEND: 933 case SNDRV_PCM_TRIGGER_STOP: 934 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 935 epcm->running = 0; 936 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 937 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 938 } 939 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 940 break; 941 default: 942 result = -EINVAL; 943 break; 944 } 945 spin_unlock(&emu->reg_lock); 946 return result; 947 } 948 949 950 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 951 { 952 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 953 struct snd_pcm_runtime *runtime = substream->runtime; 954 struct snd_emu10k1_pcm *epcm = runtime->private_data; 955 unsigned int ptr; 956 957 if (!epcm->running) 958 return 0; 959 if (epcm->first_ptr) { 960 udelay(50); /* hack, it takes awhile until capture is started */ 961 epcm->first_ptr = 0; 962 } 963 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 964 return bytes_to_frames(runtime, ptr); 965 } 966 967 /* 968 * Playback support device description 969 */ 970 971 static const struct snd_pcm_hardware snd_emu10k1_playback = 972 { 973 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 974 SNDRV_PCM_INFO_BLOCK_TRANSFER | 975 SNDRV_PCM_INFO_RESUME | 976 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 977 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 978 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 979 .rate_min = 4000, 980 .rate_max = 96000, 981 .channels_min = 1, 982 .channels_max = 2, 983 .buffer_bytes_max = (128*1024), 984 .period_bytes_min = 64, 985 .period_bytes_max = (128*1024), 986 .periods_min = 1, 987 .periods_max = 1024, 988 .fifo_size = 0, 989 }; 990 991 /* 992 * Capture support device description 993 */ 994 995 static const struct snd_pcm_hardware snd_emu10k1_capture = 996 { 997 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 998 SNDRV_PCM_INFO_BLOCK_TRANSFER | 999 SNDRV_PCM_INFO_RESUME | 1000 SNDRV_PCM_INFO_MMAP_VALID), 1001 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1002 .rates = SNDRV_PCM_RATE_8000_48000, 1003 .rate_min = 8000, 1004 .rate_max = 48000, 1005 .channels_min = 1, 1006 .channels_max = 2, 1007 .buffer_bytes_max = (64*1024), 1008 .period_bytes_min = 384, 1009 .period_bytes_max = (64*1024), 1010 .periods_min = 2, 1011 .periods_max = 2, 1012 .fifo_size = 0, 1013 }; 1014 1015 static const struct snd_pcm_hardware snd_emu10k1_capture_efx = 1016 { 1017 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1018 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1019 SNDRV_PCM_INFO_RESUME | 1020 SNDRV_PCM_INFO_MMAP_VALID), 1021 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1022 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1023 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1024 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 1025 .rate_min = 44100, 1026 .rate_max = 192000, 1027 .channels_min = 8, 1028 .channels_max = 8, 1029 .buffer_bytes_max = (64*1024), 1030 .period_bytes_min = 384, 1031 .period_bytes_max = (64*1024), 1032 .periods_min = 2, 1033 .periods_max = 2, 1034 .fifo_size = 0, 1035 }; 1036 1037 /* 1038 * 1039 */ 1040 1041 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 1042 { 1043 struct snd_ctl_elem_id id; 1044 1045 if (! kctl) 1046 return; 1047 if (activate) 1048 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1049 else 1050 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1051 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 1052 SNDRV_CTL_EVENT_MASK_INFO, 1053 snd_ctl_build_ioff(&id, kctl, idx)); 1054 } 1055 1056 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1057 { 1058 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 1059 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 1060 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1061 } 1062 1063 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1064 { 1065 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1066 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1067 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1068 } 1069 1070 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1071 { 1072 kfree(runtime->private_data); 1073 } 1074 1075 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1076 { 1077 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1078 struct snd_emu10k1_pcm_mixer *mix; 1079 int i; 1080 1081 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1082 mix = &emu->efx_pcm_mixer[i]; 1083 mix->epcm = NULL; 1084 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1085 } 1086 return 0; 1087 } 1088 1089 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1090 { 1091 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1092 struct snd_emu10k1_pcm *epcm; 1093 struct snd_emu10k1_pcm_mixer *mix; 1094 struct snd_pcm_runtime *runtime = substream->runtime; 1095 int i; 1096 1097 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1098 if (epcm == NULL) 1099 return -ENOMEM; 1100 epcm->emu = emu; 1101 epcm->type = PLAYBACK_EFX; 1102 epcm->substream = substream; 1103 1104 emu->pcm_playback_efx_substream = substream; 1105 1106 runtime->private_data = epcm; 1107 runtime->private_free = snd_emu10k1_pcm_free_substream; 1108 runtime->hw = snd_emu10k1_efx_playback; 1109 1110 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1111 mix = &emu->efx_pcm_mixer[i]; 1112 mix->send_routing[0][0] = i; 1113 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1114 mix->send_volume[0][0] = 255; 1115 mix->attn[0] = 0xffff; 1116 mix->epcm = epcm; 1117 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1118 } 1119 return 0; 1120 } 1121 1122 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1123 { 1124 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1125 struct snd_emu10k1_pcm *epcm; 1126 struct snd_emu10k1_pcm_mixer *mix; 1127 struct snd_pcm_runtime *runtime = substream->runtime; 1128 int i, err, sample_rate; 1129 1130 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1131 if (epcm == NULL) 1132 return -ENOMEM; 1133 epcm->emu = emu; 1134 epcm->type = PLAYBACK_EMUVOICE; 1135 epcm->substream = substream; 1136 runtime->private_data = epcm; 1137 runtime->private_free = snd_emu10k1_pcm_free_substream; 1138 runtime->hw = snd_emu10k1_playback; 1139 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1140 kfree(epcm); 1141 return err; 1142 } 1143 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1144 kfree(epcm); 1145 return err; 1146 } 1147 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1148 sample_rate = 44100; 1149 else 1150 sample_rate = 48000; 1151 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1152 if (err < 0) { 1153 kfree(epcm); 1154 return err; 1155 } 1156 mix = &emu->pcm_mixer[substream->number]; 1157 for (i = 0; i < 4; i++) 1158 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1159 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1160 mix->send_volume[0][0] = mix->send_volume[0][1] = 1161 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1162 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1163 mix->epcm = epcm; 1164 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1165 return 0; 1166 } 1167 1168 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1169 { 1170 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1171 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1172 1173 mix->epcm = NULL; 1174 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1175 return 0; 1176 } 1177 1178 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1179 { 1180 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1181 struct snd_pcm_runtime *runtime = substream->runtime; 1182 struct snd_emu10k1_pcm *epcm; 1183 1184 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1185 if (epcm == NULL) 1186 return -ENOMEM; 1187 epcm->emu = emu; 1188 epcm->type = CAPTURE_AC97ADC; 1189 epcm->substream = substream; 1190 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1191 epcm->capture_inte = INTE_ADCBUFENABLE; 1192 epcm->capture_ba_reg = ADCBA; 1193 epcm->capture_bs_reg = ADCBS; 1194 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1195 runtime->private_data = epcm; 1196 runtime->private_free = snd_emu10k1_pcm_free_substream; 1197 runtime->hw = snd_emu10k1_capture; 1198 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1199 emu->pcm_capture_substream = substream; 1200 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1201 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1202 return 0; 1203 } 1204 1205 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1206 { 1207 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1208 1209 emu->capture_interrupt = NULL; 1210 emu->pcm_capture_substream = NULL; 1211 return 0; 1212 } 1213 1214 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1215 { 1216 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1217 struct snd_emu10k1_pcm *epcm; 1218 struct snd_pcm_runtime *runtime = substream->runtime; 1219 1220 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1221 if (epcm == NULL) 1222 return -ENOMEM; 1223 epcm->emu = emu; 1224 epcm->type = CAPTURE_AC97MIC; 1225 epcm->substream = substream; 1226 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1227 epcm->capture_inte = INTE_MICBUFENABLE; 1228 epcm->capture_ba_reg = MICBA; 1229 epcm->capture_bs_reg = MICBS; 1230 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1231 substream->runtime->private_data = epcm; 1232 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1233 runtime->hw = snd_emu10k1_capture; 1234 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1235 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1236 runtime->hw.channels_min = 1; 1237 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1238 emu->pcm_capture_mic_substream = substream; 1239 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1240 return 0; 1241 } 1242 1243 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1244 { 1245 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1246 1247 emu->capture_interrupt = NULL; 1248 emu->pcm_capture_mic_substream = NULL; 1249 return 0; 1250 } 1251 1252 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1253 { 1254 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1255 struct snd_emu10k1_pcm *epcm; 1256 struct snd_pcm_runtime *runtime = substream->runtime; 1257 int nefx = emu->audigy ? 64 : 32; 1258 int idx; 1259 1260 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1261 if (epcm == NULL) 1262 return -ENOMEM; 1263 epcm->emu = emu; 1264 epcm->type = CAPTURE_EFX; 1265 epcm->substream = substream; 1266 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1267 epcm->capture_inte = INTE_EFXBUFENABLE; 1268 epcm->capture_ba_reg = FXBA; 1269 epcm->capture_bs_reg = FXBS; 1270 epcm->capture_idx_reg = FXIDX; 1271 substream->runtime->private_data = epcm; 1272 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1273 runtime->hw = snd_emu10k1_capture_efx; 1274 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1275 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1276 spin_lock_irq(&emu->reg_lock); 1277 if (emu->card_capabilities->emu_model) { 1278 /* Nb. of channels has been increased to 16 */ 1279 /* TODO 1280 * SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE 1281 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1282 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1283 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1284 * rate_min = 44100, 1285 * rate_max = 192000, 1286 * channels_min = 16, 1287 * channels_max = 16, 1288 * Need to add mixer control to fix sample rate 1289 * 1290 * There are 32 mono channels of 16bits each. 1291 * 24bit Audio uses 2x channels over 16bit 1292 * 96kHz uses 2x channels over 48kHz 1293 * 192kHz uses 4x channels over 48kHz 1294 * So, for 48kHz 24bit, one has 16 channels 1295 * for 96kHz 24bit, one has 8 channels 1296 * for 192kHz 24bit, one has 4 channels 1297 * 1298 */ 1299 #if 1 1300 switch (emu->emu1010.internal_clock) { 1301 case 0: 1302 /* For 44.1kHz */ 1303 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1304 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1305 runtime->hw.channels_min = 1306 runtime->hw.channels_max = 16; 1307 break; 1308 case 1: 1309 /* For 48kHz */ 1310 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1311 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1312 runtime->hw.channels_min = 1313 runtime->hw.channels_max = 16; 1314 break; 1315 } 1316 #endif 1317 #if 0 1318 /* For 96kHz */ 1319 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1320 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1321 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1322 #endif 1323 #if 0 1324 /* For 192kHz */ 1325 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1326 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1327 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1328 #endif 1329 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1330 /* efx_voices_mask[0] is expected to be zero 1331 * efx_voices_mask[1] is expected to have 32bits set 1332 */ 1333 } else { 1334 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1335 for (idx = 0; idx < nefx; idx++) { 1336 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1337 runtime->hw.channels_min++; 1338 runtime->hw.channels_max++; 1339 } 1340 } 1341 } 1342 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1343 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1344 spin_unlock_irq(&emu->reg_lock); 1345 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1346 emu->pcm_capture_efx_substream = substream; 1347 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1348 return 0; 1349 } 1350 1351 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1352 { 1353 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1354 1355 emu->capture_interrupt = NULL; 1356 emu->pcm_capture_efx_substream = NULL; 1357 return 0; 1358 } 1359 1360 static const struct snd_pcm_ops snd_emu10k1_playback_ops = { 1361 .open = snd_emu10k1_playback_open, 1362 .close = snd_emu10k1_playback_close, 1363 .ioctl = snd_pcm_lib_ioctl, 1364 .hw_params = snd_emu10k1_playback_hw_params, 1365 .hw_free = snd_emu10k1_playback_hw_free, 1366 .prepare = snd_emu10k1_playback_prepare, 1367 .trigger = snd_emu10k1_playback_trigger, 1368 .pointer = snd_emu10k1_playback_pointer, 1369 }; 1370 1371 static const struct snd_pcm_ops snd_emu10k1_capture_ops = { 1372 .open = snd_emu10k1_capture_open, 1373 .close = snd_emu10k1_capture_close, 1374 .ioctl = snd_pcm_lib_ioctl, 1375 .hw_params = snd_emu10k1_capture_hw_params, 1376 .hw_free = snd_emu10k1_capture_hw_free, 1377 .prepare = snd_emu10k1_capture_prepare, 1378 .trigger = snd_emu10k1_capture_trigger, 1379 .pointer = snd_emu10k1_capture_pointer, 1380 }; 1381 1382 /* EFX playback */ 1383 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1384 .open = snd_emu10k1_efx_playback_open, 1385 .close = snd_emu10k1_efx_playback_close, 1386 .ioctl = snd_pcm_lib_ioctl, 1387 .hw_params = snd_emu10k1_playback_hw_params, 1388 .hw_free = snd_emu10k1_efx_playback_hw_free, 1389 .prepare = snd_emu10k1_efx_playback_prepare, 1390 .trigger = snd_emu10k1_efx_playback_trigger, 1391 .pointer = snd_emu10k1_efx_playback_pointer, 1392 }; 1393 1394 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) 1395 { 1396 struct snd_pcm *pcm; 1397 struct snd_pcm_substream *substream; 1398 int err; 1399 1400 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1401 return err; 1402 1403 pcm->private_data = emu; 1404 1405 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1406 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1407 1408 pcm->info_flags = 0; 1409 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1410 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1411 emu->pcm = pcm; 1412 1413 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1414 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1415 &emu->pci->dev, 1416 64*1024, 64*1024); 1417 1418 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1419 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, 1420 &emu->pci->dev, 1421 64*1024, 64*1024); 1422 1423 return 0; 1424 } 1425 1426 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) 1427 { 1428 struct snd_pcm *pcm; 1429 struct snd_pcm_substream *substream; 1430 int err; 1431 1432 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1433 return err; 1434 1435 pcm->private_data = emu; 1436 1437 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1438 1439 pcm->info_flags = 0; 1440 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1441 strcpy(pcm->name, "Multichannel Playback"); 1442 emu->pcm_multi = pcm; 1443 1444 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1445 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1446 &emu->pci->dev, 1447 64*1024, 64*1024); 1448 1449 return 0; 1450 } 1451 1452 1453 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1454 .open = snd_emu10k1_capture_mic_open, 1455 .close = snd_emu10k1_capture_mic_close, 1456 .ioctl = snd_pcm_lib_ioctl, 1457 .hw_params = snd_emu10k1_capture_hw_params, 1458 .hw_free = snd_emu10k1_capture_hw_free, 1459 .prepare = snd_emu10k1_capture_prepare, 1460 .trigger = snd_emu10k1_capture_trigger, 1461 .pointer = snd_emu10k1_capture_pointer, 1462 }; 1463 1464 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) 1465 { 1466 struct snd_pcm *pcm; 1467 int err; 1468 1469 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1470 return err; 1471 1472 pcm->private_data = emu; 1473 1474 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1475 1476 pcm->info_flags = 0; 1477 strcpy(pcm->name, "Mic Capture"); 1478 emu->pcm_mic = pcm; 1479 1480 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1481 &emu->pci->dev, 1482 64*1024, 64*1024); 1483 1484 return 0; 1485 } 1486 1487 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1488 { 1489 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1490 int nefx = emu->audigy ? 64 : 32; 1491 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1492 uinfo->count = nefx; 1493 uinfo->value.integer.min = 0; 1494 uinfo->value.integer.max = 1; 1495 return 0; 1496 } 1497 1498 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1499 { 1500 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1501 int nefx = emu->audigy ? 64 : 32; 1502 int idx; 1503 1504 spin_lock_irq(&emu->reg_lock); 1505 for (idx = 0; idx < nefx; idx++) 1506 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1507 spin_unlock_irq(&emu->reg_lock); 1508 return 0; 1509 } 1510 1511 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1512 { 1513 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1514 unsigned int nval[2], bits; 1515 int nefx = emu->audigy ? 64 : 32; 1516 int nefxb = emu->audigy ? 7 : 6; 1517 int change, idx; 1518 1519 nval[0] = nval[1] = 0; 1520 for (idx = 0, bits = 0; idx < nefx; idx++) 1521 if (ucontrol->value.integer.value[idx]) { 1522 nval[idx / 32] |= 1 << (idx % 32); 1523 bits++; 1524 } 1525 1526 for (idx = 0; idx < nefxb; idx++) 1527 if (1 << idx == bits) 1528 break; 1529 1530 if (idx >= nefxb) 1531 return -EINVAL; 1532 1533 spin_lock_irq(&emu->reg_lock); 1534 change = (nval[0] != emu->efx_voices_mask[0]) || 1535 (nval[1] != emu->efx_voices_mask[1]); 1536 emu->efx_voices_mask[0] = nval[0]; 1537 emu->efx_voices_mask[1] = nval[1]; 1538 spin_unlock_irq(&emu->reg_lock); 1539 return change; 1540 } 1541 1542 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1543 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1544 .name = "Captured FX8010 Outputs", 1545 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1546 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1547 .put = snd_emu10k1_pcm_efx_voices_mask_put 1548 }; 1549 1550 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1551 .open = snd_emu10k1_capture_efx_open, 1552 .close = snd_emu10k1_capture_efx_close, 1553 .ioctl = snd_pcm_lib_ioctl, 1554 .hw_params = snd_emu10k1_capture_hw_params, 1555 .hw_free = snd_emu10k1_capture_hw_free, 1556 .prepare = snd_emu10k1_capture_prepare, 1557 .trigger = snd_emu10k1_capture_trigger, 1558 .pointer = snd_emu10k1_capture_pointer, 1559 }; 1560 1561 1562 /* EFX playback */ 1563 1564 #define INITIAL_TRAM_SHIFT 14 1565 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1566 1567 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1568 { 1569 struct snd_pcm_substream *substream = private_data; 1570 snd_pcm_period_elapsed(substream); 1571 } 1572 1573 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1574 unsigned short *dst_right, 1575 unsigned short *src, 1576 unsigned int count, 1577 unsigned int tram_shift) 1578 { 1579 /* 1580 dev_dbg(emu->card->dev, 1581 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1582 "src = 0x%p, count = 0x%x\n", 1583 dst_left, dst_right, src, count); 1584 */ 1585 if ((tram_shift & 1) == 0) { 1586 while (count--) { 1587 *dst_left-- = *src++; 1588 *dst_right-- = *src++; 1589 } 1590 } else { 1591 while (count--) { 1592 *dst_right-- = *src++; 1593 *dst_left-- = *src++; 1594 } 1595 } 1596 } 1597 1598 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1599 struct snd_pcm_indirect *rec, size_t bytes) 1600 { 1601 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1602 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1603 unsigned int tram_size = pcm->buffer_size; 1604 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1605 unsigned int frames = bytes >> 2, count; 1606 unsigned int tram_pos = pcm->tram_pos; 1607 unsigned int tram_shift = pcm->tram_shift; 1608 1609 while (frames > tram_pos) { 1610 count = tram_pos + 1; 1611 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1612 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1613 src, count, tram_shift); 1614 src += count * 2; 1615 frames -= count; 1616 tram_pos = (tram_size / 2) - 1; 1617 tram_shift++; 1618 } 1619 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1620 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1621 src, frames, tram_shift); 1622 tram_pos -= frames; 1623 pcm->tram_pos = tram_pos; 1624 pcm->tram_shift = tram_shift; 1625 } 1626 1627 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1628 { 1629 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1630 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1631 1632 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, 1633 fx8010_pb_trans_copy); 1634 } 1635 1636 static int snd_emu10k1_fx8010_playback_hw_params(struct snd_pcm_substream *substream, 1637 struct snd_pcm_hw_params *hw_params) 1638 { 1639 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1640 } 1641 1642 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1643 { 1644 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1645 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1646 unsigned int i; 1647 1648 for (i = 0; i < pcm->channels; i++) 1649 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1650 snd_pcm_lib_free_pages(substream); 1651 return 0; 1652 } 1653 1654 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1655 { 1656 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1657 struct snd_pcm_runtime *runtime = substream->runtime; 1658 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1659 unsigned int i; 1660 1661 /* 1662 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1663 "buffer_size = 0x%x (0x%x)\n", 1664 emu->fx8010.etram_pages, runtime->dma_area, 1665 runtime->buffer_size, runtime->buffer_size << 2); 1666 */ 1667 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1668 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1669 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1670 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1671 pcm->tram_shift = 0; 1672 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1673 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1674 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1675 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1676 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1677 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1678 for (i = 0; i < pcm->channels; i++) 1679 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1680 return 0; 1681 } 1682 1683 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1684 { 1685 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1686 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1687 int result = 0; 1688 1689 spin_lock(&emu->reg_lock); 1690 switch (cmd) { 1691 case SNDRV_PCM_TRIGGER_START: 1692 /* follow thru */ 1693 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1694 case SNDRV_PCM_TRIGGER_RESUME: 1695 #ifdef EMU10K1_SET_AC3_IEC958 1696 { 1697 int i; 1698 for (i = 0; i < 3; i++) { 1699 unsigned int bits; 1700 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1701 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1702 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1703 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1704 } 1705 } 1706 #endif 1707 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1708 if (result < 0) 1709 goto __err; 1710 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1711 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1712 break; 1713 case SNDRV_PCM_TRIGGER_STOP: 1714 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1715 case SNDRV_PCM_TRIGGER_SUSPEND: 1716 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq); 1717 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1718 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1719 pcm->tram_shift = 0; 1720 break; 1721 default: 1722 result = -EINVAL; 1723 break; 1724 } 1725 __err: 1726 spin_unlock(&emu->reg_lock); 1727 return result; 1728 } 1729 1730 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1731 { 1732 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1733 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1734 size_t ptr; /* byte pointer */ 1735 1736 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1737 return 0; 1738 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1739 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1740 } 1741 1742 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1743 { 1744 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1745 SNDRV_PCM_INFO_RESUME | 1746 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE | 1747 SNDRV_PCM_INFO_SYNC_APPLPTR), 1748 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1749 .rates = SNDRV_PCM_RATE_48000, 1750 .rate_min = 48000, 1751 .rate_max = 48000, 1752 .channels_min = 1, 1753 .channels_max = 1, 1754 .buffer_bytes_max = (128*1024), 1755 .period_bytes_min = 1024, 1756 .period_bytes_max = (128*1024), 1757 .periods_min = 2, 1758 .periods_max = 1024, 1759 .fifo_size = 0, 1760 }; 1761 1762 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1763 { 1764 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1765 struct snd_pcm_runtime *runtime = substream->runtime; 1766 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1767 1768 runtime->hw = snd_emu10k1_fx8010_playback; 1769 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1770 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1771 spin_lock_irq(&emu->reg_lock); 1772 if (pcm->valid == 0) { 1773 spin_unlock_irq(&emu->reg_lock); 1774 return -ENODEV; 1775 } 1776 pcm->opened = 1; 1777 spin_unlock_irq(&emu->reg_lock); 1778 return 0; 1779 } 1780 1781 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1782 { 1783 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1784 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1785 1786 spin_lock_irq(&emu->reg_lock); 1787 pcm->opened = 0; 1788 spin_unlock_irq(&emu->reg_lock); 1789 return 0; 1790 } 1791 1792 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1793 .open = snd_emu10k1_fx8010_playback_open, 1794 .close = snd_emu10k1_fx8010_playback_close, 1795 .ioctl = snd_pcm_lib_ioctl, 1796 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1797 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1798 .prepare = snd_emu10k1_fx8010_playback_prepare, 1799 .trigger = snd_emu10k1_fx8010_playback_trigger, 1800 .pointer = snd_emu10k1_fx8010_playback_pointer, 1801 .ack = snd_emu10k1_fx8010_playback_transfer, 1802 }; 1803 1804 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) 1805 { 1806 struct snd_pcm *pcm; 1807 struct snd_kcontrol *kctl; 1808 int err; 1809 1810 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1811 return err; 1812 1813 pcm->private_data = emu; 1814 1815 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1816 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1817 1818 pcm->info_flags = 0; 1819 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1820 emu->pcm_efx = pcm; 1821 1822 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1823 * to these 1824 */ 1825 1826 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1827 if (emu->audigy) { 1828 emu->efx_voices_mask[0] = 0; 1829 if (emu->card_capabilities->emu_model) 1830 /* Pavel Hofman - 32 voices will be used for 1831 * capture (write mode) - 1832 * each bit = corresponding voice 1833 */ 1834 emu->efx_voices_mask[1] = 0xffffffff; 1835 else 1836 emu->efx_voices_mask[1] = 0xffff; 1837 } else { 1838 emu->efx_voices_mask[0] = 0xffff0000; 1839 emu->efx_voices_mask[1] = 0; 1840 } 1841 /* For emu1010, the control has to set 32 upper bits (voices) 1842 * out of the 64 bits (voices) to true for the 16-channels capture 1843 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1844 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1845 * control can override this register's value. 1846 */ 1847 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1848 if (!kctl) 1849 return -ENOMEM; 1850 kctl->id.device = device; 1851 err = snd_ctl_add(emu->card, kctl); 1852 if (err < 0) 1853 return err; 1854 1855 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1856 &emu->pci->dev, 1857 64*1024, 64*1024); 1858 1859 return 0; 1860 } 1861