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 epcm = voice->epcm; 29 if (!epcm) 30 return; 31 if (epcm->substream == NULL) 32 return; 33 #if 0 34 dev_dbg(emu->card->dev, 35 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 36 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 37 snd_pcm_lib_period_bytes(epcm->substream), 38 snd_pcm_lib_buffer_bytes(epcm->substream)); 39 #endif 40 snd_pcm_period_elapsed(epcm->substream); 41 } 42 43 static void snd_emu10k1_pcm_ac97adc_interrupt(struct snd_emu10k1 *emu, 44 unsigned int status) 45 { 46 #if 0 47 if (status & IPR_ADCBUFHALFFULL) { 48 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 49 return; 50 } 51 #endif 52 snd_pcm_period_elapsed(emu->pcm_capture_substream); 53 } 54 55 static void snd_emu10k1_pcm_ac97mic_interrupt(struct snd_emu10k1 *emu, 56 unsigned int status) 57 { 58 #if 0 59 if (status & IPR_MICBUFHALFFULL) { 60 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 61 return; 62 } 63 #endif 64 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 65 } 66 67 static void snd_emu10k1_pcm_efx_interrupt(struct snd_emu10k1 *emu, 68 unsigned int status) 69 { 70 #if 0 71 if (status & IPR_EFXBUFHALFFULL) { 72 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 73 return; 74 } 75 #endif 76 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 77 } 78 79 static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voices) 80 { 81 int err, i; 82 83 if (epcm->voices[1] != NULL && voices < 2) { 84 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 85 epcm->voices[1] = NULL; 86 } 87 for (i = 0; i < voices; i++) { 88 if (epcm->voices[i] == NULL) 89 break; 90 } 91 if (i == voices) 92 return 0; /* already allocated */ 93 94 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 95 if (epcm->voices[i]) { 96 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 97 epcm->voices[i] = NULL; 98 } 99 } 100 err = snd_emu10k1_voice_alloc(epcm->emu, 101 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 102 voices, 103 &epcm->voices[0]); 104 105 if (err < 0) 106 return err; 107 epcm->voices[0]->epcm = epcm; 108 if (voices > 1) { 109 for (i = 1; i < voices; i++) { 110 epcm->voices[i] = &epcm->emu->voices[(epcm->voices[0]->number + i) % NUM_G]; 111 epcm->voices[i]->epcm = epcm; 112 } 113 } 114 if (epcm->extra == NULL) { 115 err = snd_emu10k1_voice_alloc(epcm->emu, 116 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 117 1, 118 &epcm->extra); 119 if (err < 0) { 120 /* 121 dev_dbg(emu->card->dev, "pcm_channel_alloc: " 122 "failed extra: voices=%d, frame=%d\n", 123 voices, frame); 124 */ 125 for (i = 0; i < voices; i++) { 126 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 127 epcm->voices[i] = NULL; 128 } 129 return err; 130 } 131 epcm->extra->epcm = epcm; 132 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 133 } 134 return 0; 135 } 136 137 static const unsigned int capture_period_sizes[31] = { 138 384, 448, 512, 640, 139 384*2, 448*2, 512*2, 640*2, 140 384*4, 448*4, 512*4, 640*4, 141 384*8, 448*8, 512*8, 640*8, 142 384*16, 448*16, 512*16, 640*16, 143 384*32, 448*32, 512*32, 640*32, 144 384*64, 448*64, 512*64, 640*64, 145 384*128,448*128,512*128 146 }; 147 148 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_period_sizes = { 149 .count = 31, 150 .list = capture_period_sizes, 151 .mask = 0 152 }; 153 154 static const unsigned int capture_rates[8] = { 155 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 156 }; 157 158 static const struct snd_pcm_hw_constraint_list hw_constraints_capture_rates = { 159 .count = 8, 160 .list = capture_rates, 161 .mask = 0 162 }; 163 164 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 165 { 166 switch (rate) { 167 case 8000: return ADCCR_SAMPLERATE_8; 168 case 11025: return ADCCR_SAMPLERATE_11; 169 case 16000: return ADCCR_SAMPLERATE_16; 170 case 22050: return ADCCR_SAMPLERATE_22; 171 case 24000: return ADCCR_SAMPLERATE_24; 172 case 32000: return ADCCR_SAMPLERATE_32; 173 case 44100: return ADCCR_SAMPLERATE_44; 174 case 48000: return ADCCR_SAMPLERATE_48; 175 default: 176 snd_BUG(); 177 return ADCCR_SAMPLERATE_8; 178 } 179 } 180 181 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 182 { 183 switch (rate) { 184 case 8000: return A_ADCCR_SAMPLERATE_8; 185 case 11025: return A_ADCCR_SAMPLERATE_11; 186 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 187 case 16000: return ADCCR_SAMPLERATE_16; 188 case 22050: return ADCCR_SAMPLERATE_22; 189 case 24000: return ADCCR_SAMPLERATE_24; 190 case 32000: return ADCCR_SAMPLERATE_32; 191 case 44100: return ADCCR_SAMPLERATE_44; 192 case 48000: return ADCCR_SAMPLERATE_48; 193 default: 194 snd_BUG(); 195 return A_ADCCR_SAMPLERATE_8; 196 } 197 } 198 199 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 200 { 201 unsigned int pitch_target; 202 203 pitch_target = (rate << 8) / 375; 204 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 205 return pitch_target; 206 } 207 208 #define PITCH_48000 0x00004000 209 #define PITCH_96000 0x00008000 210 #define PITCH_85000 0x00007155 211 #define PITCH_80726 0x00006ba2 212 #define PITCH_67882 0x00005a82 213 #define PITCH_57081 0x00004c1c 214 215 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 216 { 217 if (pitch_target == PITCH_48000) 218 return CCCA_INTERPROM_0; 219 else if (pitch_target < PITCH_48000) 220 return CCCA_INTERPROM_1; 221 else if (pitch_target >= PITCH_96000) 222 return CCCA_INTERPROM_0; 223 else if (pitch_target >= PITCH_85000) 224 return CCCA_INTERPROM_6; 225 else if (pitch_target >= PITCH_80726) 226 return CCCA_INTERPROM_5; 227 else if (pitch_target >= PITCH_67882) 228 return CCCA_INTERPROM_4; 229 else if (pitch_target >= PITCH_57081) 230 return CCCA_INTERPROM_3; 231 else 232 return CCCA_INTERPROM_2; 233 } 234 235 /* 236 * calculate cache invalidate size 237 * 238 * stereo: channel is stereo 239 * w_16: using 16bit samples 240 * 241 * returns: cache invalidate size in samples 242 */ 243 static inline int emu10k1_ccis(int stereo, int w_16) 244 { 245 if (w_16) { 246 return stereo ? 24 : 26; 247 } else { 248 return stereo ? 24*2 : 26*2; 249 } 250 } 251 252 static void snd_emu10k1_pcm_init_voice(struct snd_emu10k1 *emu, 253 int master, int extra, 254 struct snd_emu10k1_voice *evoice, 255 unsigned int start_addr, 256 unsigned int end_addr, 257 struct snd_emu10k1_pcm_mixer *mix) 258 { 259 struct snd_pcm_substream *substream = evoice->epcm->substream; 260 struct snd_pcm_runtime *runtime = substream->runtime; 261 unsigned int silent_page, tmp; 262 int voice, stereo, w_16; 263 unsigned char send_amount[8]; 264 unsigned char send_routing[8]; 265 unsigned long flags; 266 unsigned int pitch_target; 267 unsigned int ccis; 268 269 voice = evoice->number; 270 stereo = runtime->channels == 2; 271 w_16 = snd_pcm_format_width(runtime->format) == 16; 272 273 if (!extra && stereo) { 274 start_addr >>= 1; 275 end_addr >>= 1; 276 } 277 if (w_16) { 278 start_addr >>= 1; 279 end_addr >>= 1; 280 } 281 282 spin_lock_irqsave(&emu->reg_lock, flags); 283 284 /* volume parameters */ 285 if (extra) { 286 memset(send_routing, 0, sizeof(send_routing)); 287 send_routing[0] = 0; 288 send_routing[1] = 1; 289 send_routing[2] = 2; 290 send_routing[3] = 3; 291 memset(send_amount, 0, sizeof(send_amount)); 292 } else { 293 /* mono, left, right (master voice = left) */ 294 tmp = stereo ? (master ? 1 : 2) : 0; 295 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 296 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 297 } 298 299 ccis = emu10k1_ccis(stereo, w_16); 300 301 if (master) { 302 evoice->epcm->ccca_start_addr = start_addr + ccis; 303 if (extra) { 304 start_addr += ccis; 305 end_addr += ccis + emu->delay_pcm_irq; 306 } 307 if (stereo && !extra) { 308 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 309 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 310 } else { 311 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 312 } 313 } 314 315 /* setup routing */ 316 if (emu->audigy) { 317 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 318 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 319 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 320 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 321 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 322 ((unsigned int)send_amount[4] << 24) | 323 ((unsigned int)send_amount[5] << 16) | 324 ((unsigned int)send_amount[6] << 8) | 325 (unsigned int)send_amount[7]); 326 } else 327 snd_emu10k1_ptr_write(emu, FXRT, voice, 328 snd_emu10k1_compose_send_routing(send_routing)); 329 /* Assumption that PT is already 0 so no harm overwriting */ 330 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 331 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 332 snd_emu10k1_ptr_write(emu, PSST, voice, 333 (start_addr + (extra ? emu->delay_pcm_irq : 0)) | 334 (send_amount[2] << 24)); 335 if (emu->card_capabilities->emu_model) 336 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 337 else 338 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 339 if (extra) 340 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 341 emu10k1_select_interprom(pitch_target) | 342 (w_16 ? 0 : CCCA_8BITSELECT)); 343 else 344 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 345 emu10k1_select_interprom(pitch_target) | 346 (w_16 ? 0 : CCCA_8BITSELECT)); 347 /* Clear filter delay memory */ 348 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 349 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 350 /* invalidate maps */ 351 silent_page = ((unsigned int)emu->silent_page.addr << emu->address_mode) | (emu->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); 352 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 353 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 354 /* modulation envelope */ 355 snd_emu10k1_ptr_write(emu, VTFT, voice, VTFT_FILTERTARGET_MASK); 356 snd_emu10k1_ptr_write(emu, CVCF, voice, CVCF_CURRENTFILTER_MASK); 357 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 358 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 359 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 360 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 361 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 362 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 363 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 364 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 365 /* volume envelope */ 366 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 367 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 368 /* filter envelope */ 369 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 370 /* pitch envelope */ 371 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 372 373 spin_unlock_irqrestore(&emu->reg_lock, flags); 374 } 375 376 static int snd_emu10k1_playback_hw_params(struct snd_pcm_substream *substream, 377 struct snd_pcm_hw_params *hw_params) 378 { 379 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 380 struct snd_pcm_runtime *runtime = substream->runtime; 381 struct snd_emu10k1_pcm *epcm = runtime->private_data; 382 size_t alloc_size; 383 int err; 384 385 err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params)); 386 if (err < 0) 387 return err; 388 389 alloc_size = params_buffer_bytes(hw_params); 390 if (emu->iommu_workaround) 391 alloc_size += EMUPAGESIZE; 392 err = snd_pcm_lib_malloc_pages(substream, alloc_size); 393 if (err < 0) 394 return err; 395 if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE) 396 runtime->dma_bytes -= EMUPAGESIZE; 397 if (err > 0) { /* change */ 398 int mapped; 399 if (epcm->memblk != NULL) 400 snd_emu10k1_free_pages(emu, epcm->memblk); 401 epcm->memblk = snd_emu10k1_alloc_pages(emu, substream); 402 epcm->start_addr = 0; 403 if (! epcm->memblk) 404 return -ENOMEM; 405 mapped = ((struct snd_emu10k1_memblk *)epcm->memblk)->mapped_page; 406 if (mapped < 0) 407 return -ENOMEM; 408 epcm->start_addr = mapped << PAGE_SHIFT; 409 } 410 return 0; 411 } 412 413 static int snd_emu10k1_playback_hw_free(struct snd_pcm_substream *substream) 414 { 415 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 416 struct snd_pcm_runtime *runtime = substream->runtime; 417 struct snd_emu10k1_pcm *epcm; 418 int i; 419 420 if (runtime->private_data == NULL) 421 return 0; 422 epcm = runtime->private_data; 423 if (epcm->extra) { 424 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 425 epcm->extra = NULL; 426 } 427 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 428 if (epcm->voices[i]) { 429 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 430 epcm->voices[i] = NULL; 431 } 432 } 433 if (epcm->memblk) { 434 snd_emu10k1_free_pages(emu, epcm->memblk); 435 epcm->memblk = NULL; 436 epcm->start_addr = 0; 437 } 438 snd_pcm_lib_free_pages(substream); 439 return 0; 440 } 441 442 static int snd_emu10k1_playback_prepare(struct snd_pcm_substream *substream) 443 { 444 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 445 struct snd_pcm_runtime *runtime = substream->runtime; 446 struct snd_emu10k1_pcm *epcm = runtime->private_data; 447 unsigned int start_addr, end_addr; 448 449 start_addr = epcm->start_addr; 450 end_addr = snd_pcm_lib_period_bytes(substream); 451 if (runtime->channels == 2) { 452 start_addr >>= 1; 453 end_addr >>= 1; 454 } 455 end_addr += start_addr; 456 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 457 start_addr, end_addr, NULL); 458 start_addr = epcm->start_addr; 459 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 460 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 461 start_addr, end_addr, 462 &emu->pcm_mixer[substream->number]); 463 if (epcm->voices[1]) 464 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 465 start_addr, end_addr, 466 &emu->pcm_mixer[substream->number]); 467 return 0; 468 } 469 470 static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream) 471 { 472 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 473 struct snd_pcm_runtime *runtime = substream->runtime; 474 struct snd_emu10k1_pcm *epcm = runtime->private_data; 475 unsigned int start_addr, end_addr; 476 unsigned int channel_size; 477 int i; 478 479 start_addr = epcm->start_addr; 480 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 481 482 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 483 484 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 485 start_addr, start_addr + (channel_size / 2), NULL); 486 487 /* only difference with the master voice is we use it for the pointer */ 488 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 489 start_addr, start_addr + channel_size, 490 &emu->efx_pcm_mixer[0]); 491 492 start_addr += channel_size; 493 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 494 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 495 start_addr, start_addr + channel_size, 496 &emu->efx_pcm_mixer[i]); 497 start_addr += channel_size; 498 } 499 500 return 0; 501 } 502 503 static const struct snd_pcm_hardware snd_emu10k1_efx_playback = 504 { 505 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 506 SNDRV_PCM_INFO_BLOCK_TRANSFER | 507 SNDRV_PCM_INFO_RESUME | 508 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 509 .formats = SNDRV_PCM_FMTBIT_S16_LE, 510 .rates = SNDRV_PCM_RATE_48000, 511 .rate_min = 48000, 512 .rate_max = 48000, 513 .channels_min = NUM_EFX_PLAYBACK, 514 .channels_max = NUM_EFX_PLAYBACK, 515 .buffer_bytes_max = (64*1024), 516 .period_bytes_min = 64, 517 .period_bytes_max = (64*1024), 518 .periods_min = 2, 519 .periods_max = 2, 520 .fifo_size = 0, 521 }; 522 523 static int snd_emu10k1_capture_prepare(struct snd_pcm_substream *substream) 524 { 525 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 526 struct snd_pcm_runtime *runtime = substream->runtime; 527 struct snd_emu10k1_pcm *epcm = runtime->private_data; 528 int idx; 529 530 /* zeroing the buffer size will stop capture */ 531 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 532 switch (epcm->type) { 533 case CAPTURE_AC97ADC: 534 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 535 break; 536 case CAPTURE_EFX: 537 if (emu->audigy) { 538 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 539 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 540 } else 541 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 542 break; 543 default: 544 break; 545 } 546 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 547 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 548 epcm->capture_bs_val = 0; 549 for (idx = 0; idx < 31; idx++) { 550 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 551 epcm->capture_bs_val = idx + 1; 552 break; 553 } 554 } 555 if (epcm->capture_bs_val == 0) { 556 snd_BUG(); 557 epcm->capture_bs_val++; 558 } 559 if (epcm->type == CAPTURE_AC97ADC) { 560 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 561 if (runtime->channels > 1) 562 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 563 epcm->capture_cr_val |= emu->audigy ? 564 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 565 snd_emu10k1_capture_rate_reg(runtime->rate); 566 } 567 return 0; 568 } 569 570 static void snd_emu10k1_playback_invalidate_cache(struct snd_emu10k1 *emu, int extra, struct snd_emu10k1_voice *evoice) 571 { 572 struct snd_pcm_runtime *runtime; 573 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 574 575 if (evoice == NULL) 576 return; 577 runtime = evoice->epcm->substream->runtime; 578 voice = evoice->number; 579 stereo = (!extra && runtime->channels == 2); 580 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 581 ccis = emu10k1_ccis(stereo, sample == 0); 582 /* set cs to 2 * number of cache registers beside the invalidated */ 583 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 584 if (cs > 16) cs = 16; 585 for (i = 0; i < cs; i++) { 586 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 587 if (stereo) { 588 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 589 } 590 } 591 /* reset cache */ 592 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 593 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 594 if (stereo) { 595 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 596 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 597 } 598 /* fill cache */ 599 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 600 if (stereo) { 601 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 602 } 603 } 604 605 static void snd_emu10k1_playback_prepare_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, 606 int master, int extra, 607 struct snd_emu10k1_pcm_mixer *mix) 608 { 609 struct snd_pcm_substream *substream; 610 struct snd_pcm_runtime *runtime; 611 unsigned int attn, vattn; 612 unsigned int voice, tmp; 613 614 if (evoice == NULL) /* skip second voice for mono */ 615 return; 616 substream = evoice->epcm->substream; 617 runtime = substream->runtime; 618 voice = evoice->number; 619 620 attn = extra ? 0 : 0x00ff; 621 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 622 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 623 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 624 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | VTFT_FILTERTARGET_MASK); 625 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | CVCF_CURRENTFILTER_MASK); 626 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 627 snd_emu10k1_voice_clear_loop_stop(emu, voice); 628 } 629 630 static void snd_emu10k1_playback_trigger_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice, int master, int extra) 631 { 632 struct snd_pcm_substream *substream; 633 struct snd_pcm_runtime *runtime; 634 unsigned int voice, pitch, pitch_target; 635 636 if (evoice == NULL) /* skip second voice for mono */ 637 return; 638 substream = evoice->epcm->substream; 639 runtime = substream->runtime; 640 voice = evoice->number; 641 642 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 643 if (emu->card_capabilities->emu_model) 644 pitch_target = PITCH_48000; /* Disable interpolators on emu1010 card */ 645 else 646 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 647 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 648 if (master || evoice->epcm->type == PLAYBACK_EFX) 649 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 650 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 651 if (extra) 652 snd_emu10k1_voice_intr_enable(emu, voice); 653 } 654 655 static void snd_emu10k1_playback_stop_voice(struct snd_emu10k1 *emu, struct snd_emu10k1_voice *evoice) 656 { 657 unsigned int voice; 658 659 if (evoice == NULL) 660 return; 661 voice = evoice->number; 662 snd_emu10k1_voice_intr_disable(emu, voice); 663 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 664 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 665 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 666 snd_emu10k1_ptr_write(emu, VTFT, voice, VTFT_FILTERTARGET_MASK); 667 snd_emu10k1_ptr_write(emu, CVCF, voice, CVCF_CURRENTFILTER_MASK); 668 snd_emu10k1_ptr_write(emu, IP, voice, 0); 669 } 670 671 static inline void snd_emu10k1_playback_mangle_extra(struct snd_emu10k1 *emu, 672 struct snd_emu10k1_pcm *epcm, 673 struct snd_pcm_substream *substream, 674 struct snd_pcm_runtime *runtime) 675 { 676 unsigned int ptr, period_pos; 677 678 /* try to sychronize the current position for the interrupt 679 source voice */ 680 period_pos = runtime->status->hw_ptr - runtime->hw_ptr_interrupt; 681 period_pos %= runtime->period_size; 682 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->extra->number); 683 ptr &= ~0x00ffffff; 684 ptr |= epcm->ccca_start_addr + period_pos; 685 snd_emu10k1_ptr_write(emu, CCCA, epcm->extra->number, ptr); 686 } 687 688 static int snd_emu10k1_playback_trigger(struct snd_pcm_substream *substream, 689 int cmd) 690 { 691 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 692 struct snd_pcm_runtime *runtime = substream->runtime; 693 struct snd_emu10k1_pcm *epcm = runtime->private_data; 694 struct snd_emu10k1_pcm_mixer *mix; 695 int result = 0; 696 697 /* 698 dev_dbg(emu->card->dev, 699 "trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", 700 (int)emu, cmd, substream->ops->pointer(substream)) 701 */ 702 spin_lock(&emu->reg_lock); 703 switch (cmd) { 704 case SNDRV_PCM_TRIGGER_START: 705 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 706 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 707 fallthrough; 708 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 709 case SNDRV_PCM_TRIGGER_RESUME: 710 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_RELEASE) 711 snd_emu10k1_playback_mangle_extra(emu, epcm, substream, runtime); 712 mix = &emu->pcm_mixer[substream->number]; 713 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 714 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 715 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 716 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 717 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 718 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 719 epcm->running = 1; 720 break; 721 case SNDRV_PCM_TRIGGER_STOP: 722 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 723 case SNDRV_PCM_TRIGGER_SUSPEND: 724 epcm->running = 0; 725 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 726 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 727 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 728 break; 729 default: 730 result = -EINVAL; 731 break; 732 } 733 spin_unlock(&emu->reg_lock); 734 return result; 735 } 736 737 static int snd_emu10k1_capture_trigger(struct snd_pcm_substream *substream, 738 int cmd) 739 { 740 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 741 struct snd_pcm_runtime *runtime = substream->runtime; 742 struct snd_emu10k1_pcm *epcm = runtime->private_data; 743 int result = 0; 744 745 spin_lock(&emu->reg_lock); 746 switch (cmd) { 747 case SNDRV_PCM_TRIGGER_START: 748 case SNDRV_PCM_TRIGGER_RESUME: 749 /* hmm this should cause full and half full interrupt to be raised? */ 750 outl(epcm->capture_ipr, emu->port + IPR); 751 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 752 /* 753 dev_dbg(emu->card->dev, "adccr = 0x%x, adcbs = 0x%x\n", 754 epcm->adccr, epcm->adcbs); 755 */ 756 switch (epcm->type) { 757 case CAPTURE_AC97ADC: 758 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 759 break; 760 case CAPTURE_EFX: 761 if (emu->audigy) { 762 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 763 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 764 dev_dbg(emu->card->dev, 765 "cr_val=0x%x, cr_val2=0x%x\n", 766 epcm->capture_cr_val, 767 epcm->capture_cr_val2); 768 } else 769 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 770 break; 771 default: 772 break; 773 } 774 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 775 epcm->running = 1; 776 epcm->first_ptr = 1; 777 break; 778 case SNDRV_PCM_TRIGGER_STOP: 779 case SNDRV_PCM_TRIGGER_SUSPEND: 780 epcm->running = 0; 781 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 782 outl(epcm->capture_ipr, emu->port + IPR); 783 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 784 switch (epcm->type) { 785 case CAPTURE_AC97ADC: 786 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 787 break; 788 case CAPTURE_EFX: 789 if (emu->audigy) { 790 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 791 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 792 } else 793 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 794 break; 795 default: 796 break; 797 } 798 break; 799 default: 800 result = -EINVAL; 801 } 802 spin_unlock(&emu->reg_lock); 803 return result; 804 } 805 806 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(struct snd_pcm_substream *substream) 807 { 808 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 809 struct snd_pcm_runtime *runtime = substream->runtime; 810 struct snd_emu10k1_pcm *epcm = runtime->private_data; 811 unsigned int ptr; 812 813 if (!epcm->running) 814 return 0; 815 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 816 #if 0 /* Perex's code */ 817 ptr += runtime->buffer_size; 818 ptr -= epcm->ccca_start_addr; 819 ptr %= runtime->buffer_size; 820 #else /* EMU10K1 Open Source code from Creative */ 821 if (ptr < epcm->ccca_start_addr) 822 ptr += runtime->buffer_size - epcm->ccca_start_addr; 823 else { 824 ptr -= epcm->ccca_start_addr; 825 if (ptr >= runtime->buffer_size) 826 ptr -= runtime->buffer_size; 827 } 828 #endif 829 /* 830 dev_dbg(emu->card->dev, 831 "ptr = 0x%lx, buffer_size = 0x%lx, period_size = 0x%lx\n", 832 (long)ptr, (long)runtime->buffer_size, 833 (long)runtime->period_size); 834 */ 835 return ptr; 836 } 837 838 839 static int snd_emu10k1_efx_playback_trigger(struct snd_pcm_substream *substream, 840 int cmd) 841 { 842 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 843 struct snd_pcm_runtime *runtime = substream->runtime; 844 struct snd_emu10k1_pcm *epcm = runtime->private_data; 845 int i; 846 int result = 0; 847 848 spin_lock(&emu->reg_lock); 849 switch (cmd) { 850 case SNDRV_PCM_TRIGGER_START: 851 /* prepare voices */ 852 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 853 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 854 } 855 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 856 fallthrough; 857 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 858 case SNDRV_PCM_TRIGGER_RESUME: 859 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 860 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 861 &emu->efx_pcm_mixer[0]); 862 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 863 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 864 &emu->efx_pcm_mixer[i]); 865 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 866 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 867 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 868 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 869 epcm->running = 1; 870 break; 871 case SNDRV_PCM_TRIGGER_SUSPEND: 872 case SNDRV_PCM_TRIGGER_STOP: 873 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 874 epcm->running = 0; 875 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 876 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 877 } 878 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 879 break; 880 default: 881 result = -EINVAL; 882 break; 883 } 884 spin_unlock(&emu->reg_lock); 885 return result; 886 } 887 888 889 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *substream) 890 { 891 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 892 struct snd_pcm_runtime *runtime = substream->runtime; 893 struct snd_emu10k1_pcm *epcm = runtime->private_data; 894 unsigned int ptr; 895 896 if (!epcm->running) 897 return 0; 898 if (epcm->first_ptr) { 899 udelay(50); /* hack, it takes awhile until capture is started */ 900 epcm->first_ptr = 0; 901 } 902 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 903 return bytes_to_frames(runtime, ptr); 904 } 905 906 /* 907 * Playback support device description 908 */ 909 910 static const struct snd_pcm_hardware snd_emu10k1_playback = 911 { 912 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 913 SNDRV_PCM_INFO_BLOCK_TRANSFER | 914 SNDRV_PCM_INFO_RESUME | 915 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 916 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 917 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 918 .rate_min = 4000, 919 .rate_max = 96000, 920 .channels_min = 1, 921 .channels_max = 2, 922 .buffer_bytes_max = (128*1024), 923 .period_bytes_min = 64, 924 .period_bytes_max = (128*1024), 925 .periods_min = 1, 926 .periods_max = 1024, 927 .fifo_size = 0, 928 }; 929 930 /* 931 * Capture support device description 932 */ 933 934 static const struct snd_pcm_hardware snd_emu10k1_capture = 935 { 936 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 937 SNDRV_PCM_INFO_BLOCK_TRANSFER | 938 SNDRV_PCM_INFO_RESUME | 939 SNDRV_PCM_INFO_MMAP_VALID), 940 .formats = SNDRV_PCM_FMTBIT_S16_LE, 941 .rates = SNDRV_PCM_RATE_8000_48000, 942 .rate_min = 8000, 943 .rate_max = 48000, 944 .channels_min = 1, 945 .channels_max = 2, 946 .buffer_bytes_max = (64*1024), 947 .period_bytes_min = 384, 948 .period_bytes_max = (64*1024), 949 .periods_min = 2, 950 .periods_max = 2, 951 .fifo_size = 0, 952 }; 953 954 static const struct snd_pcm_hardware snd_emu10k1_capture_efx = 955 { 956 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 957 SNDRV_PCM_INFO_BLOCK_TRANSFER | 958 SNDRV_PCM_INFO_RESUME | 959 SNDRV_PCM_INFO_MMAP_VALID), 960 .formats = SNDRV_PCM_FMTBIT_S16_LE, 961 .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 962 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 963 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, 964 .rate_min = 44100, 965 .rate_max = 192000, 966 .channels_min = 8, 967 .channels_max = 8, 968 .buffer_bytes_max = (64*1024), 969 .period_bytes_min = 384, 970 .period_bytes_max = (64*1024), 971 .periods_min = 2, 972 .periods_max = 2, 973 .fifo_size = 0, 974 }; 975 976 /* 977 * 978 */ 979 980 static void snd_emu10k1_pcm_mixer_notify1(struct snd_emu10k1 *emu, struct snd_kcontrol *kctl, int idx, int activate) 981 { 982 struct snd_ctl_elem_id id; 983 984 if (! kctl) 985 return; 986 if (activate) 987 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 988 else 989 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 990 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 991 SNDRV_CTL_EVENT_MASK_INFO, 992 snd_ctl_build_ioff(&id, kctl, idx)); 993 } 994 995 static void snd_emu10k1_pcm_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 996 { 997 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 998 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 999 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 1000 } 1001 1002 static void snd_emu10k1_pcm_efx_mixer_notify(struct snd_emu10k1 *emu, int idx, int activate) 1003 { 1004 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 1005 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 1006 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 1007 } 1008 1009 static void snd_emu10k1_pcm_free_substream(struct snd_pcm_runtime *runtime) 1010 { 1011 kfree(runtime->private_data); 1012 } 1013 1014 static int snd_emu10k1_efx_playback_close(struct snd_pcm_substream *substream) 1015 { 1016 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1017 struct snd_emu10k1_pcm_mixer *mix; 1018 int i; 1019 1020 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1021 mix = &emu->efx_pcm_mixer[i]; 1022 mix->epcm = NULL; 1023 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1024 } 1025 return 0; 1026 } 1027 1028 static int snd_emu10k1_efx_playback_open(struct snd_pcm_substream *substream) 1029 { 1030 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1031 struct snd_emu10k1_pcm *epcm; 1032 struct snd_emu10k1_pcm_mixer *mix; 1033 struct snd_pcm_runtime *runtime = substream->runtime; 1034 int i; 1035 1036 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1037 if (epcm == NULL) 1038 return -ENOMEM; 1039 epcm->emu = emu; 1040 epcm->type = PLAYBACK_EFX; 1041 epcm->substream = substream; 1042 1043 runtime->private_data = epcm; 1044 runtime->private_free = snd_emu10k1_pcm_free_substream; 1045 runtime->hw = snd_emu10k1_efx_playback; 1046 1047 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 1048 mix = &emu->efx_pcm_mixer[i]; 1049 mix->send_routing[0][0] = i; 1050 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1051 mix->send_volume[0][0] = 255; 1052 mix->attn[0] = 0xffff; 1053 mix->epcm = epcm; 1054 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1055 } 1056 return 0; 1057 } 1058 1059 static int snd_emu10k1_playback_open(struct snd_pcm_substream *substream) 1060 { 1061 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1062 struct snd_emu10k1_pcm *epcm; 1063 struct snd_emu10k1_pcm_mixer *mix; 1064 struct snd_pcm_runtime *runtime = substream->runtime; 1065 int i, err, sample_rate; 1066 1067 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1068 if (epcm == NULL) 1069 return -ENOMEM; 1070 epcm->emu = emu; 1071 epcm->type = PLAYBACK_EMUVOICE; 1072 epcm->substream = substream; 1073 runtime->private_data = epcm; 1074 runtime->private_free = snd_emu10k1_pcm_free_substream; 1075 runtime->hw = snd_emu10k1_playback; 1076 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 1077 if (err < 0) { 1078 kfree(epcm); 1079 return err; 1080 } 1081 err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX); 1082 if (err < 0) { 1083 kfree(epcm); 1084 return err; 1085 } 1086 if (emu->card_capabilities->emu_model && emu->emu1010.internal_clock == 0) 1087 sample_rate = 44100; 1088 else 1089 sample_rate = 48000; 1090 err = snd_pcm_hw_rule_noresample(runtime, sample_rate); 1091 if (err < 0) { 1092 kfree(epcm); 1093 return err; 1094 } 1095 mix = &emu->pcm_mixer[substream->number]; 1096 for (i = 0; i < 4; i++) 1097 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1098 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1099 mix->send_volume[0][0] = mix->send_volume[0][1] = 1100 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1101 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1102 mix->epcm = epcm; 1103 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1104 return 0; 1105 } 1106 1107 static int snd_emu10k1_playback_close(struct snd_pcm_substream *substream) 1108 { 1109 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1110 struct snd_emu10k1_pcm_mixer *mix = &emu->pcm_mixer[substream->number]; 1111 1112 mix->epcm = NULL; 1113 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1114 return 0; 1115 } 1116 1117 static int snd_emu10k1_capture_open(struct snd_pcm_substream *substream) 1118 { 1119 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1120 struct snd_pcm_runtime *runtime = substream->runtime; 1121 struct snd_emu10k1_pcm *epcm; 1122 1123 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1124 if (epcm == NULL) 1125 return -ENOMEM; 1126 epcm->emu = emu; 1127 epcm->type = CAPTURE_AC97ADC; 1128 epcm->substream = substream; 1129 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1130 epcm->capture_inte = INTE_ADCBUFENABLE; 1131 epcm->capture_ba_reg = ADCBA; 1132 epcm->capture_bs_reg = ADCBS; 1133 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1134 runtime->private_data = epcm; 1135 runtime->private_free = snd_emu10k1_pcm_free_substream; 1136 runtime->hw = snd_emu10k1_capture; 1137 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1138 emu->pcm_capture_substream = substream; 1139 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1140 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1141 return 0; 1142 } 1143 1144 static int snd_emu10k1_capture_close(struct snd_pcm_substream *substream) 1145 { 1146 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1147 1148 emu->capture_interrupt = NULL; 1149 emu->pcm_capture_substream = NULL; 1150 return 0; 1151 } 1152 1153 static int snd_emu10k1_capture_mic_open(struct snd_pcm_substream *substream) 1154 { 1155 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1156 struct snd_emu10k1_pcm *epcm; 1157 struct snd_pcm_runtime *runtime = substream->runtime; 1158 1159 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1160 if (epcm == NULL) 1161 return -ENOMEM; 1162 epcm->emu = emu; 1163 epcm->type = CAPTURE_AC97MIC; 1164 epcm->substream = substream; 1165 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1166 epcm->capture_inte = INTE_MICBUFENABLE; 1167 epcm->capture_ba_reg = MICBA; 1168 epcm->capture_bs_reg = MICBS; 1169 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1170 substream->runtime->private_data = epcm; 1171 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1172 runtime->hw = snd_emu10k1_capture; 1173 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1174 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1175 runtime->hw.channels_min = 1; 1176 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1177 emu->pcm_capture_mic_substream = substream; 1178 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1179 return 0; 1180 } 1181 1182 static int snd_emu10k1_capture_mic_close(struct snd_pcm_substream *substream) 1183 { 1184 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1185 1186 emu->capture_mic_interrupt = NULL; 1187 emu->pcm_capture_mic_substream = NULL; 1188 return 0; 1189 } 1190 1191 static int snd_emu10k1_capture_efx_open(struct snd_pcm_substream *substream) 1192 { 1193 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1194 struct snd_emu10k1_pcm *epcm; 1195 struct snd_pcm_runtime *runtime = substream->runtime; 1196 int nefx = emu->audigy ? 64 : 32; 1197 int idx; 1198 1199 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); 1200 if (epcm == NULL) 1201 return -ENOMEM; 1202 epcm->emu = emu; 1203 epcm->type = CAPTURE_EFX; 1204 epcm->substream = substream; 1205 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1206 epcm->capture_inte = INTE_EFXBUFENABLE; 1207 epcm->capture_ba_reg = FXBA; 1208 epcm->capture_bs_reg = FXBS; 1209 epcm->capture_idx_reg = FXIDX; 1210 substream->runtime->private_data = epcm; 1211 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1212 runtime->hw = snd_emu10k1_capture_efx; 1213 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1214 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1215 spin_lock_irq(&emu->reg_lock); 1216 if (emu->card_capabilities->emu_model) { 1217 /* TODO 1218 * SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | 1219 * SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | 1220 * SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000 1221 * rate_min = 44100, 1222 * rate_max = 192000, 1223 * channels_min = 16, 1224 * channels_max = 16, 1225 * Need to add mixer control to fix sample rate 1226 * 1227 * There are 32 mono channels of 16bits each. 1228 * 24bit Audio uses 2x channels over 16bit, 1229 * 96kHz uses 2x channels over 48kHz, 1230 * 192kHz uses 4x channels over 48kHz. 1231 * So, for 48kHz 24bit, one has 16 channels, 1232 * for 96kHz 24bit, one has 8 channels, 1233 * for 192kHz 24bit, one has 4 channels. 1234 * 1010rev2 and 1616(m) cards have double that, 1235 * but we don't exceed 16 channels anyway. 1236 */ 1237 #if 1 1238 switch (emu->emu1010.internal_clock) { 1239 case 0: 1240 /* For 44.1kHz */ 1241 runtime->hw.rates = SNDRV_PCM_RATE_44100; 1242 runtime->hw.rate_min = runtime->hw.rate_max = 44100; 1243 runtime->hw.channels_min = 1244 runtime->hw.channels_max = 16; 1245 break; 1246 case 1: 1247 /* For 48kHz */ 1248 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1249 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1250 runtime->hw.channels_min = 1251 runtime->hw.channels_max = 16; 1252 break; 1253 } 1254 #endif 1255 #if 0 1256 /* For 96kHz */ 1257 runtime->hw.rates = SNDRV_PCM_RATE_96000; 1258 runtime->hw.rate_min = runtime->hw.rate_max = 96000; 1259 runtime->hw.channels_min = runtime->hw.channels_max = 4; 1260 #endif 1261 #if 0 1262 /* For 192kHz */ 1263 runtime->hw.rates = SNDRV_PCM_RATE_192000; 1264 runtime->hw.rate_min = runtime->hw.rate_max = 192000; 1265 runtime->hw.channels_min = runtime->hw.channels_max = 2; 1266 #endif 1267 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE; 1268 /* efx_voices_mask[0] is expected to be zero 1269 * efx_voices_mask[1] is expected to have 32bits set 1270 */ 1271 } else { 1272 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1273 for (idx = 0; idx < nefx; idx++) { 1274 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1275 runtime->hw.channels_min++; 1276 runtime->hw.channels_max++; 1277 } 1278 } 1279 } 1280 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1281 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1282 spin_unlock_irq(&emu->reg_lock); 1283 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1284 emu->pcm_capture_efx_substream = substream; 1285 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1286 return 0; 1287 } 1288 1289 static int snd_emu10k1_capture_efx_close(struct snd_pcm_substream *substream) 1290 { 1291 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1292 1293 emu->capture_efx_interrupt = NULL; 1294 emu->pcm_capture_efx_substream = NULL; 1295 return 0; 1296 } 1297 1298 static const struct snd_pcm_ops snd_emu10k1_playback_ops = { 1299 .open = snd_emu10k1_playback_open, 1300 .close = snd_emu10k1_playback_close, 1301 .hw_params = snd_emu10k1_playback_hw_params, 1302 .hw_free = snd_emu10k1_playback_hw_free, 1303 .prepare = snd_emu10k1_playback_prepare, 1304 .trigger = snd_emu10k1_playback_trigger, 1305 .pointer = snd_emu10k1_playback_pointer, 1306 }; 1307 1308 static const struct snd_pcm_ops snd_emu10k1_capture_ops = { 1309 .open = snd_emu10k1_capture_open, 1310 .close = snd_emu10k1_capture_close, 1311 .prepare = snd_emu10k1_capture_prepare, 1312 .trigger = snd_emu10k1_capture_trigger, 1313 .pointer = snd_emu10k1_capture_pointer, 1314 }; 1315 1316 /* EFX playback */ 1317 static const struct snd_pcm_ops snd_emu10k1_efx_playback_ops = { 1318 .open = snd_emu10k1_efx_playback_open, 1319 .close = snd_emu10k1_efx_playback_close, 1320 .hw_params = snd_emu10k1_playback_hw_params, 1321 .hw_free = snd_emu10k1_playback_hw_free, 1322 .prepare = snd_emu10k1_efx_playback_prepare, 1323 .trigger = snd_emu10k1_efx_playback_trigger, 1324 .pointer = snd_emu10k1_playback_pointer, 1325 }; 1326 1327 int snd_emu10k1_pcm(struct snd_emu10k1 *emu, int device) 1328 { 1329 struct snd_pcm *pcm; 1330 struct snd_pcm_substream *substream; 1331 int err; 1332 1333 err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm); 1334 if (err < 0) 1335 return err; 1336 1337 pcm->private_data = emu; 1338 1339 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1340 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1341 1342 pcm->info_flags = 0; 1343 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1344 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1345 emu->pcm = pcm; 1346 1347 /* playback substream can't use managed buffers due to alignment */ 1348 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1349 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1350 &emu->pci->dev, 1351 64*1024, 64*1024); 1352 1353 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1354 snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV, 1355 &emu->pci->dev, 64*1024, 64*1024); 1356 1357 return 0; 1358 } 1359 1360 int snd_emu10k1_pcm_multi(struct snd_emu10k1 *emu, int device) 1361 { 1362 struct snd_pcm *pcm; 1363 struct snd_pcm_substream *substream; 1364 int err; 1365 1366 err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm); 1367 if (err < 0) 1368 return err; 1369 1370 pcm->private_data = emu; 1371 1372 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1373 1374 pcm->info_flags = 0; 1375 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1376 strcpy(pcm->name, "Multichannel Playback"); 1377 emu->pcm_multi = pcm; 1378 1379 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1380 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, 1381 &emu->pci->dev, 1382 64*1024, 64*1024); 1383 1384 return 0; 1385 } 1386 1387 1388 static const struct snd_pcm_ops snd_emu10k1_capture_mic_ops = { 1389 .open = snd_emu10k1_capture_mic_open, 1390 .close = snd_emu10k1_capture_mic_close, 1391 .prepare = snd_emu10k1_capture_prepare, 1392 .trigger = snd_emu10k1_capture_trigger, 1393 .pointer = snd_emu10k1_capture_pointer, 1394 }; 1395 1396 int snd_emu10k1_pcm_mic(struct snd_emu10k1 *emu, int device) 1397 { 1398 struct snd_pcm *pcm; 1399 int err; 1400 1401 err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm); 1402 if (err < 0) 1403 return err; 1404 1405 pcm->private_data = emu; 1406 1407 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1408 1409 pcm->info_flags = 0; 1410 strcpy(pcm->name, "Mic Capture"); 1411 emu->pcm_mic = pcm; 1412 1413 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev, 1414 64*1024, 64*1024); 1415 1416 return 0; 1417 } 1418 1419 static int snd_emu10k1_pcm_efx_voices_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1420 { 1421 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1422 int nefx = emu->audigy ? 64 : 32; 1423 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1424 uinfo->count = nefx; 1425 uinfo->value.integer.min = 0; 1426 uinfo->value.integer.max = 1; 1427 return 0; 1428 } 1429 1430 static int snd_emu10k1_pcm_efx_voices_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1431 { 1432 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1433 int nefx = emu->audigy ? 64 : 32; 1434 int idx; 1435 1436 spin_lock_irq(&emu->reg_lock); 1437 for (idx = 0; idx < nefx; idx++) 1438 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1439 spin_unlock_irq(&emu->reg_lock); 1440 return 0; 1441 } 1442 1443 static int snd_emu10k1_pcm_efx_voices_mask_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1444 { 1445 struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol); 1446 unsigned int nval[2], bits; 1447 int nefx = emu->audigy ? 64 : 32; 1448 int nefxb = emu->audigy ? 7 : 6; 1449 int change, idx; 1450 1451 nval[0] = nval[1] = 0; 1452 for (idx = 0, bits = 0; idx < nefx; idx++) 1453 if (ucontrol->value.integer.value[idx]) { 1454 nval[idx / 32] |= 1 << (idx % 32); 1455 bits++; 1456 } 1457 1458 // Check that the number of requested channels is a power of two 1459 // not bigger than the number of available channels. 1460 for (idx = 0; idx < nefxb; idx++) 1461 if (1 << idx == bits) 1462 break; 1463 if (idx >= nefxb) 1464 return -EINVAL; 1465 1466 spin_lock_irq(&emu->reg_lock); 1467 change = (nval[0] != emu->efx_voices_mask[0]) || 1468 (nval[1] != emu->efx_voices_mask[1]); 1469 emu->efx_voices_mask[0] = nval[0]; 1470 emu->efx_voices_mask[1] = nval[1]; 1471 spin_unlock_irq(&emu->reg_lock); 1472 return change; 1473 } 1474 1475 static const struct snd_kcontrol_new snd_emu10k1_pcm_efx_voices_mask = { 1476 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1477 .name = "Captured FX8010 Outputs", 1478 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1479 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1480 .put = snd_emu10k1_pcm_efx_voices_mask_put 1481 }; 1482 1483 static const struct snd_pcm_ops snd_emu10k1_capture_efx_ops = { 1484 .open = snd_emu10k1_capture_efx_open, 1485 .close = snd_emu10k1_capture_efx_close, 1486 .prepare = snd_emu10k1_capture_prepare, 1487 .trigger = snd_emu10k1_capture_trigger, 1488 .pointer = snd_emu10k1_capture_pointer, 1489 }; 1490 1491 1492 /* EFX playback */ 1493 1494 #define INITIAL_TRAM_SHIFT 14 1495 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1496 1497 static void snd_emu10k1_fx8010_playback_irq(struct snd_emu10k1 *emu, void *private_data) 1498 { 1499 struct snd_pcm_substream *substream = private_data; 1500 snd_pcm_period_elapsed(substream); 1501 } 1502 1503 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1504 unsigned short *dst_right, 1505 unsigned short *src, 1506 unsigned int count, 1507 unsigned int tram_shift) 1508 { 1509 /* 1510 dev_dbg(emu->card->dev, 1511 "tram_poke1: dst_left = 0x%p, dst_right = 0x%p, " 1512 "src = 0x%p, count = 0x%x\n", 1513 dst_left, dst_right, src, count); 1514 */ 1515 if ((tram_shift & 1) == 0) { 1516 while (count--) { 1517 *dst_left-- = *src++; 1518 *dst_right-- = *src++; 1519 } 1520 } else { 1521 while (count--) { 1522 *dst_right-- = *src++; 1523 *dst_left-- = *src++; 1524 } 1525 } 1526 } 1527 1528 static void fx8010_pb_trans_copy(struct snd_pcm_substream *substream, 1529 struct snd_pcm_indirect *rec, size_t bytes) 1530 { 1531 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1532 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1533 unsigned int tram_size = pcm->buffer_size; 1534 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1535 unsigned int frames = bytes >> 2, count; 1536 unsigned int tram_pos = pcm->tram_pos; 1537 unsigned int tram_shift = pcm->tram_shift; 1538 1539 while (frames > tram_pos) { 1540 count = tram_pos + 1; 1541 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1542 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1543 src, count, tram_shift); 1544 src += count * 2; 1545 frames -= count; 1546 tram_pos = (tram_size / 2) - 1; 1547 tram_shift++; 1548 } 1549 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1550 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1551 src, frames, tram_shift); 1552 tram_pos -= frames; 1553 pcm->tram_pos = tram_pos; 1554 pcm->tram_shift = tram_shift; 1555 } 1556 1557 static int snd_emu10k1_fx8010_playback_transfer(struct snd_pcm_substream *substream) 1558 { 1559 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1560 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1561 1562 return snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, 1563 fx8010_pb_trans_copy); 1564 } 1565 1566 static int snd_emu10k1_fx8010_playback_hw_free(struct snd_pcm_substream *substream) 1567 { 1568 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1569 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1570 unsigned int i; 1571 1572 for (i = 0; i < pcm->channels; i++) 1573 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1574 return 0; 1575 } 1576 1577 static int snd_emu10k1_fx8010_playback_prepare(struct snd_pcm_substream *substream) 1578 { 1579 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1580 struct snd_pcm_runtime *runtime = substream->runtime; 1581 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1582 unsigned int i; 1583 1584 /* 1585 dev_dbg(emu->card->dev, "prepare: etram_pages = 0x%p, dma_area = 0x%x, " 1586 "buffer_size = 0x%x (0x%x)\n", 1587 emu->fx8010.etram_pages, runtime->dma_area, 1588 runtime->buffer_size, runtime->buffer_size << 2); 1589 */ 1590 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1591 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1592 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1593 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1594 pcm->tram_shift = 0; 1595 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1596 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1597 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1598 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1599 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1600 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1601 for (i = 0; i < pcm->channels; i++) 1602 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1603 return 0; 1604 } 1605 1606 static int snd_emu10k1_fx8010_playback_trigger(struct snd_pcm_substream *substream, int cmd) 1607 { 1608 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1609 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1610 int result = 0; 1611 1612 spin_lock(&emu->reg_lock); 1613 switch (cmd) { 1614 case SNDRV_PCM_TRIGGER_START: 1615 /* follow thru */ 1616 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1617 case SNDRV_PCM_TRIGGER_RESUME: 1618 #ifdef EMU10K1_SET_AC3_IEC958 1619 { 1620 int i; 1621 for (i = 0; i < 3; i++) { 1622 unsigned int bits; 1623 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1624 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1625 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1626 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1627 } 1628 } 1629 #endif 1630 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1631 if (result < 0) 1632 goto __err; 1633 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1634 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1635 break; 1636 case SNDRV_PCM_TRIGGER_STOP: 1637 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1638 case SNDRV_PCM_TRIGGER_SUSPEND: 1639 snd_emu10k1_fx8010_unregister_irq_handler(emu, &pcm->irq); 1640 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1641 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1642 pcm->tram_shift = 0; 1643 break; 1644 default: 1645 result = -EINVAL; 1646 break; 1647 } 1648 __err: 1649 spin_unlock(&emu->reg_lock); 1650 return result; 1651 } 1652 1653 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_substream *substream) 1654 { 1655 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1656 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1657 size_t ptr; /* byte pointer */ 1658 1659 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1660 return 0; 1661 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1662 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1663 } 1664 1665 static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback = 1666 { 1667 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1668 SNDRV_PCM_INFO_RESUME | 1669 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE | 1670 SNDRV_PCM_INFO_SYNC_APPLPTR), 1671 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1672 .rates = SNDRV_PCM_RATE_48000, 1673 .rate_min = 48000, 1674 .rate_max = 48000, 1675 .channels_min = 1, 1676 .channels_max = 1, 1677 .buffer_bytes_max = (128*1024), 1678 .period_bytes_min = 1024, 1679 .period_bytes_max = (128*1024), 1680 .periods_min = 2, 1681 .periods_max = 1024, 1682 .fifo_size = 0, 1683 }; 1684 1685 static int snd_emu10k1_fx8010_playback_open(struct snd_pcm_substream *substream) 1686 { 1687 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1688 struct snd_pcm_runtime *runtime = substream->runtime; 1689 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1690 1691 runtime->hw = snd_emu10k1_fx8010_playback; 1692 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1693 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1694 spin_lock_irq(&emu->reg_lock); 1695 if (pcm->valid == 0) { 1696 spin_unlock_irq(&emu->reg_lock); 1697 return -ENODEV; 1698 } 1699 pcm->opened = 1; 1700 spin_unlock_irq(&emu->reg_lock); 1701 return 0; 1702 } 1703 1704 static int snd_emu10k1_fx8010_playback_close(struct snd_pcm_substream *substream) 1705 { 1706 struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream); 1707 struct snd_emu10k1_fx8010_pcm *pcm = &emu->fx8010.pcm[substream->number]; 1708 1709 spin_lock_irq(&emu->reg_lock); 1710 pcm->opened = 0; 1711 spin_unlock_irq(&emu->reg_lock); 1712 return 0; 1713 } 1714 1715 static const struct snd_pcm_ops snd_emu10k1_fx8010_playback_ops = { 1716 .open = snd_emu10k1_fx8010_playback_open, 1717 .close = snd_emu10k1_fx8010_playback_close, 1718 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1719 .prepare = snd_emu10k1_fx8010_playback_prepare, 1720 .trigger = snd_emu10k1_fx8010_playback_trigger, 1721 .pointer = snd_emu10k1_fx8010_playback_pointer, 1722 .ack = snd_emu10k1_fx8010_playback_transfer, 1723 }; 1724 1725 int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device) 1726 { 1727 struct snd_pcm *pcm; 1728 struct snd_kcontrol *kctl; 1729 int err; 1730 1731 err = snd_pcm_new(emu->card, "emu10k1 efx", device, emu->audigy ? 0 : 8, 1, &pcm); 1732 if (err < 0) 1733 return err; 1734 1735 pcm->private_data = emu; 1736 1737 if (!emu->audigy) 1738 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1739 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1740 1741 pcm->info_flags = 0; 1742 if (emu->audigy) 1743 strcpy(pcm->name, "Multichannel Capture"); 1744 else 1745 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1746 emu->pcm_efx = pcm; 1747 1748 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1749 * to these 1750 */ 1751 1752 if (emu->audigy) { 1753 emu->efx_voices_mask[0] = 0; 1754 if (emu->card_capabilities->emu_model) 1755 /* Pavel Hofman - 32 voices will be used for 1756 * capture (write mode) - 1757 * each bit = corresponding voice 1758 */ 1759 emu->efx_voices_mask[1] = 0xffffffff; 1760 else 1761 emu->efx_voices_mask[1] = 0xffff; 1762 } else { 1763 emu->efx_voices_mask[0] = 0xffff0000; 1764 emu->efx_voices_mask[1] = 0; 1765 } 1766 /* For emu1010, the control has to set 32 upper bits (voices) 1767 * out of the 64 bits (voices) to true for the 16-channels capture 1768 * to work correctly. Correct A_FXWC2 initial value (0xffffffff) 1769 * is already defined but the snd_emu10k1_pcm_efx_voices_mask 1770 * control can override this register's value. 1771 */ 1772 kctl = snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu); 1773 if (!kctl) 1774 return -ENOMEM; 1775 kctl->id.device = device; 1776 err = snd_ctl_add(emu->card, kctl); 1777 if (err < 0) 1778 return err; 1779 1780 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &emu->pci->dev, 1781 64*1024, 64*1024); 1782 1783 return 0; 1784 } 1785