1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.cz> 3 * Creative Labs, Inc. 4 * Routines for control of EMU10K1 chips / PCM routines 5 * Multichannel PCM support Copyright (c) Lee Revell <rlrevell@joe-job.com> 6 * 7 * BUGS: 8 * -- 9 * 10 * TODO: 11 * -- 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26 * 27 */ 28 29 #include <sound/driver.h> 30 #include <linux/pci.h> 31 #include <linux/delay.h> 32 #include <linux/slab.h> 33 #include <linux/time.h> 34 #include <linux/init.h> 35 #include <sound/core.h> 36 #include <sound/emu10k1.h> 37 38 static void snd_emu10k1_pcm_interrupt(emu10k1_t *emu, emu10k1_voice_t *voice) 39 { 40 emu10k1_pcm_t *epcm; 41 42 if ((epcm = voice->epcm) == NULL) 43 return; 44 if (epcm->substream == NULL) 45 return; 46 #if 0 47 printk("IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", 48 epcm->substream->runtime->hw->pointer(emu, epcm->substream), 49 snd_pcm_lib_period_bytes(epcm->substream), 50 snd_pcm_lib_buffer_bytes(epcm->substream)); 51 #endif 52 snd_pcm_period_elapsed(epcm->substream); 53 } 54 55 static void snd_emu10k1_pcm_ac97adc_interrupt(emu10k1_t *emu, unsigned int status) 56 { 57 #if 0 58 if (status & IPR_ADCBUFHALFFULL) { 59 if (emu->pcm_capture_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 60 return; 61 } 62 #endif 63 snd_pcm_period_elapsed(emu->pcm_capture_substream); 64 } 65 66 static void snd_emu10k1_pcm_ac97mic_interrupt(emu10k1_t *emu, unsigned int status) 67 { 68 #if 0 69 if (status & IPR_MICBUFHALFFULL) { 70 if (emu->pcm_capture_mic_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 71 return; 72 } 73 #endif 74 snd_pcm_period_elapsed(emu->pcm_capture_mic_substream); 75 } 76 77 static void snd_emu10k1_pcm_efx_interrupt(emu10k1_t *emu, unsigned int status) 78 { 79 #if 0 80 if (status & IPR_EFXBUFHALFFULL) { 81 if (emu->pcm_capture_efx_substream->runtime->mode == SNDRV_PCM_MODE_FRAME) 82 return; 83 } 84 #endif 85 snd_pcm_period_elapsed(emu->pcm_capture_efx_substream); 86 } 87 88 static snd_pcm_uframes_t snd_emu10k1_efx_playback_pointer(snd_pcm_substream_t * substream) 89 { 90 emu10k1_t *emu = snd_pcm_substream_chip(substream); 91 snd_pcm_runtime_t *runtime = substream->runtime; 92 emu10k1_pcm_t *epcm = runtime->private_data; 93 unsigned int ptr; 94 95 if (!epcm->running) 96 return 0; 97 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 98 ptr += runtime->buffer_size; 99 ptr -= epcm->ccca_start_addr; 100 ptr %= runtime->buffer_size; 101 102 return ptr; 103 } 104 105 static int snd_emu10k1_pcm_channel_alloc(emu10k1_pcm_t * epcm, int voices) 106 { 107 int err, i; 108 109 if (epcm->voices[1] != NULL && voices < 2) { 110 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 111 epcm->voices[1] = NULL; 112 } 113 for (i = 0; i < voices; i++) { 114 if (epcm->voices[i] == NULL) 115 break; 116 } 117 if (i == voices) 118 return 0; /* already allocated */ 119 120 for (i = 0; i < ARRAY_SIZE(epcm->voices); i++) { 121 if (epcm->voices[i]) { 122 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 123 epcm->voices[i] = NULL; 124 } 125 } 126 err = snd_emu10k1_voice_alloc(epcm->emu, 127 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 128 voices, 129 &epcm->voices[0]); 130 131 if (err < 0) 132 return err; 133 epcm->voices[0]->epcm = epcm; 134 if (voices > 1) { 135 for (i = 1; i < voices; i++) { 136 epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; 137 epcm->voices[i]->epcm = epcm; 138 } 139 } 140 if (epcm->extra == NULL) { 141 err = snd_emu10k1_voice_alloc(epcm->emu, 142 epcm->type == PLAYBACK_EMUVOICE ? EMU10K1_PCM : EMU10K1_EFX, 143 1, 144 &epcm->extra); 145 if (err < 0) { 146 // printk("pcm_channel_alloc: failed extra: voices=%d, frame=%d\n", voices, frame); 147 for (i = 0; i < voices; i++) { 148 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 149 epcm->voices[i] = NULL; 150 } 151 return err; 152 } 153 epcm->extra->epcm = epcm; 154 epcm->extra->interrupt = snd_emu10k1_pcm_interrupt; 155 } 156 return 0; 157 } 158 159 static unsigned int capture_period_sizes[31] = { 160 384, 448, 512, 640, 161 384*2, 448*2, 512*2, 640*2, 162 384*4, 448*4, 512*4, 640*4, 163 384*8, 448*8, 512*8, 640*8, 164 384*16, 448*16, 512*16, 640*16, 165 384*32, 448*32, 512*32, 640*32, 166 384*64, 448*64, 512*64, 640*64, 167 384*128,448*128,512*128 168 }; 169 170 static snd_pcm_hw_constraint_list_t hw_constraints_capture_period_sizes = { 171 .count = 31, 172 .list = capture_period_sizes, 173 .mask = 0 174 }; 175 176 static unsigned int capture_rates[8] = { 177 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000 178 }; 179 180 static snd_pcm_hw_constraint_list_t hw_constraints_capture_rates = { 181 .count = 8, 182 .list = capture_rates, 183 .mask = 0 184 }; 185 186 static unsigned int snd_emu10k1_capture_rate_reg(unsigned int rate) 187 { 188 switch (rate) { 189 case 8000: return ADCCR_SAMPLERATE_8; 190 case 11025: return ADCCR_SAMPLERATE_11; 191 case 16000: return ADCCR_SAMPLERATE_16; 192 case 22050: return ADCCR_SAMPLERATE_22; 193 case 24000: return ADCCR_SAMPLERATE_24; 194 case 32000: return ADCCR_SAMPLERATE_32; 195 case 44100: return ADCCR_SAMPLERATE_44; 196 case 48000: return ADCCR_SAMPLERATE_48; 197 default: 198 snd_BUG(); 199 return ADCCR_SAMPLERATE_8; 200 } 201 } 202 203 static unsigned int snd_emu10k1_audigy_capture_rate_reg(unsigned int rate) 204 { 205 switch (rate) { 206 case 8000: return A_ADCCR_SAMPLERATE_8; 207 case 11025: return A_ADCCR_SAMPLERATE_11; 208 case 12000: return A_ADCCR_SAMPLERATE_12; /* really supported? */ 209 case 16000: return ADCCR_SAMPLERATE_16; 210 case 22050: return ADCCR_SAMPLERATE_22; 211 case 24000: return ADCCR_SAMPLERATE_24; 212 case 32000: return ADCCR_SAMPLERATE_32; 213 case 44100: return ADCCR_SAMPLERATE_44; 214 case 48000: return ADCCR_SAMPLERATE_48; 215 default: 216 snd_BUG(); 217 return A_ADCCR_SAMPLERATE_8; 218 } 219 } 220 221 static unsigned int emu10k1_calc_pitch_target(unsigned int rate) 222 { 223 unsigned int pitch_target; 224 225 pitch_target = (rate << 8) / 375; 226 pitch_target = (pitch_target >> 1) + (pitch_target & 1); 227 return pitch_target; 228 } 229 230 #define PITCH_48000 0x00004000 231 #define PITCH_96000 0x00008000 232 #define PITCH_85000 0x00007155 233 #define PITCH_80726 0x00006ba2 234 #define PITCH_67882 0x00005a82 235 #define PITCH_57081 0x00004c1c 236 237 static unsigned int emu10k1_select_interprom(unsigned int pitch_target) 238 { 239 if (pitch_target == PITCH_48000) 240 return CCCA_INTERPROM_0; 241 else if (pitch_target < PITCH_48000) 242 return CCCA_INTERPROM_1; 243 else if (pitch_target >= PITCH_96000) 244 return CCCA_INTERPROM_0; 245 else if (pitch_target >= PITCH_85000) 246 return CCCA_INTERPROM_6; 247 else if (pitch_target >= PITCH_80726) 248 return CCCA_INTERPROM_5; 249 else if (pitch_target >= PITCH_67882) 250 return CCCA_INTERPROM_4; 251 else if (pitch_target >= PITCH_57081) 252 return CCCA_INTERPROM_3; 253 else 254 return CCCA_INTERPROM_2; 255 } 256 257 /* 258 * calculate cache invalidate size 259 * 260 * stereo: channel is stereo 261 * w_16: using 16bit samples 262 * 263 * returns: cache invalidate size in samples 264 */ 265 static inline int emu10k1_ccis(int stereo, int w_16) 266 { 267 if (w_16) { 268 return stereo ? 24 : 26; 269 } else { 270 return stereo ? 24*2 : 26*2; 271 } 272 } 273 274 static void snd_emu10k1_pcm_init_voice(emu10k1_t *emu, 275 int master, int extra, 276 emu10k1_voice_t *evoice, 277 unsigned int start_addr, 278 unsigned int end_addr, 279 emu10k1_pcm_mixer_t *mix) 280 { 281 snd_pcm_substream_t *substream = evoice->epcm->substream; 282 snd_pcm_runtime_t *runtime = substream->runtime; 283 unsigned int silent_page, tmp; 284 int voice, stereo, w_16; 285 unsigned char attn, send_amount[8]; 286 unsigned char send_routing[8]; 287 unsigned long flags; 288 unsigned int pitch_target; 289 unsigned int ccis; 290 291 voice = evoice->number; 292 stereo = runtime->channels == 2; 293 w_16 = snd_pcm_format_width(runtime->format) == 16; 294 295 if (!extra && stereo) { 296 start_addr >>= 1; 297 end_addr >>= 1; 298 } 299 if (w_16) { 300 start_addr >>= 1; 301 end_addr >>= 1; 302 } 303 304 spin_lock_irqsave(&emu->reg_lock, flags); 305 306 /* volume parameters */ 307 if (extra) { 308 attn = 0; 309 memset(send_routing, 0, sizeof(send_routing)); 310 send_routing[0] = 0; 311 send_routing[1] = 1; 312 send_routing[2] = 2; 313 send_routing[3] = 3; 314 memset(send_amount, 0, sizeof(send_amount)); 315 } else { 316 /* mono, left, right (master voice = left) */ 317 tmp = stereo ? (master ? 1 : 2) : 0; 318 memcpy(send_routing, &mix->send_routing[tmp][0], 8); 319 memcpy(send_amount, &mix->send_volume[tmp][0], 8); 320 } 321 322 ccis = emu10k1_ccis(stereo, w_16); 323 324 if (master) { 325 evoice->epcm->ccca_start_addr = start_addr + ccis; 326 if (extra) { 327 start_addr += ccis; 328 end_addr += ccis; 329 } 330 if (stereo && !extra) { 331 snd_emu10k1_ptr_write(emu, CPF, voice, CPF_STEREO_MASK); 332 snd_emu10k1_ptr_write(emu, CPF, (voice + 1), CPF_STEREO_MASK); 333 } else { 334 snd_emu10k1_ptr_write(emu, CPF, voice, 0); 335 } 336 } 337 338 // setup routing 339 if (emu->audigy) { 340 snd_emu10k1_ptr_write(emu, A_FXRT1, voice, 341 snd_emu10k1_compose_audigy_fxrt1(send_routing)); 342 snd_emu10k1_ptr_write(emu, A_FXRT2, voice, 343 snd_emu10k1_compose_audigy_fxrt2(send_routing)); 344 snd_emu10k1_ptr_write(emu, A_SENDAMOUNTS, voice, 345 ((unsigned int)send_amount[4] << 24) | 346 ((unsigned int)send_amount[5] << 16) | 347 ((unsigned int)send_amount[6] << 8) | 348 (unsigned int)send_amount[7]); 349 } else 350 snd_emu10k1_ptr_write(emu, FXRT, voice, 351 snd_emu10k1_compose_send_routing(send_routing)); 352 // Stop CA 353 // Assumption that PT is already 0 so no harm overwriting 354 snd_emu10k1_ptr_write(emu, PTRX, voice, (send_amount[0] << 8) | send_amount[1]); 355 snd_emu10k1_ptr_write(emu, DSL, voice, end_addr | (send_amount[3] << 24)); 356 snd_emu10k1_ptr_write(emu, PSST, voice, start_addr | (send_amount[2] << 24)); 357 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 358 if (extra) 359 snd_emu10k1_ptr_write(emu, CCCA, voice, start_addr | 360 emu10k1_select_interprom(pitch_target) | 361 (w_16 ? 0 : CCCA_8BITSELECT)); 362 else 363 snd_emu10k1_ptr_write(emu, CCCA, voice, (start_addr + ccis) | 364 emu10k1_select_interprom(pitch_target) | 365 (w_16 ? 0 : CCCA_8BITSELECT)); 366 // Clear filter delay memory 367 snd_emu10k1_ptr_write(emu, Z1, voice, 0); 368 snd_emu10k1_ptr_write(emu, Z2, voice, 0); 369 // invalidate maps 370 silent_page = ((unsigned int)emu->silent_page.addr << 1) | MAP_PTI_MASK; 371 snd_emu10k1_ptr_write(emu, MAPA, voice, silent_page); 372 snd_emu10k1_ptr_write(emu, MAPB, voice, silent_page); 373 // modulation envelope 374 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 375 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 376 snd_emu10k1_ptr_write(emu, ATKHLDM, voice, 0); 377 snd_emu10k1_ptr_write(emu, DCYSUSM, voice, 0x007f); 378 snd_emu10k1_ptr_write(emu, LFOVAL1, voice, 0x8000); 379 snd_emu10k1_ptr_write(emu, LFOVAL2, voice, 0x8000); 380 snd_emu10k1_ptr_write(emu, FMMOD, voice, 0); 381 snd_emu10k1_ptr_write(emu, TREMFRQ, voice, 0); 382 snd_emu10k1_ptr_write(emu, FM2FRQ2, voice, 0); 383 snd_emu10k1_ptr_write(emu, ENVVAL, voice, 0x8000); 384 // volume envelope 385 snd_emu10k1_ptr_write(emu, ATKHLDV, voice, 0x7f7f); 386 snd_emu10k1_ptr_write(emu, ENVVOL, voice, 0x0000); 387 // filter envelope 388 snd_emu10k1_ptr_write(emu, PEFE_FILTERAMOUNT, voice, 0x7f); 389 // pitch envelope 390 snd_emu10k1_ptr_write(emu, PEFE_PITCHAMOUNT, voice, 0); 391 392 spin_unlock_irqrestore(&emu->reg_lock, flags); 393 } 394 395 static int snd_emu10k1_playback_hw_params(snd_pcm_substream_t * substream, 396 snd_pcm_hw_params_t * hw_params) 397 { 398 emu10k1_t *emu = snd_pcm_substream_chip(substream); 399 snd_pcm_runtime_t *runtime = substream->runtime; 400 emu10k1_pcm_t *epcm = runtime->private_data; 401 int err; 402 403 if ((err = snd_emu10k1_pcm_channel_alloc(epcm, params_channels(hw_params))) < 0) 404 return err; 405 if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) 406 return err; 407 if (err > 0) { /* change */ 408 snd_util_memblk_t *memblk; 409 if (epcm->memblk != NULL) 410 snd_emu10k1_free_pages(emu, epcm->memblk); 411 memblk = snd_emu10k1_alloc_pages(emu, substream); 412 if ((epcm->memblk = memblk) == NULL || ((emu10k1_memblk_t *)memblk)->mapped_page < 0) { 413 epcm->start_addr = 0; 414 return -ENOMEM; 415 } 416 epcm->start_addr = ((emu10k1_memblk_t *)memblk)->mapped_page << PAGE_SHIFT; 417 } 418 return 0; 419 } 420 421 static int snd_emu10k1_playback_hw_free(snd_pcm_substream_t * substream) 422 { 423 emu10k1_t *emu = snd_pcm_substream_chip(substream); 424 snd_pcm_runtime_t *runtime = substream->runtime; 425 emu10k1_pcm_t *epcm; 426 427 if (runtime->private_data == NULL) 428 return 0; 429 epcm = runtime->private_data; 430 if (epcm->extra) { 431 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 432 epcm->extra = NULL; 433 } 434 if (epcm->voices[1]) { 435 snd_emu10k1_voice_free(epcm->emu, epcm->voices[1]); 436 epcm->voices[1] = NULL; 437 } 438 if (epcm->voices[0]) { 439 snd_emu10k1_voice_free(epcm->emu, epcm->voices[0]); 440 epcm->voices[0] = NULL; 441 } 442 if (epcm->memblk) { 443 snd_emu10k1_free_pages(emu, epcm->memblk); 444 epcm->memblk = NULL; 445 epcm->start_addr = 0; 446 } 447 snd_pcm_lib_free_pages(substream); 448 return 0; 449 } 450 451 static int snd_emu10k1_efx_playback_hw_free(snd_pcm_substream_t * substream) 452 { 453 emu10k1_t *emu = snd_pcm_substream_chip(substream); 454 snd_pcm_runtime_t *runtime = substream->runtime; 455 emu10k1_pcm_t *epcm; 456 int i; 457 458 if (runtime->private_data == NULL) 459 return 0; 460 epcm = runtime->private_data; 461 if (epcm->extra) { 462 snd_emu10k1_voice_free(epcm->emu, epcm->extra); 463 epcm->extra = NULL; 464 } 465 for (i=0; i < NUM_EFX_PLAYBACK; i++) { 466 if (epcm->voices[i]) { 467 snd_emu10k1_voice_free(epcm->emu, epcm->voices[i]); 468 epcm->voices[i] = NULL; 469 } 470 } 471 if (epcm->memblk) { 472 snd_emu10k1_free_pages(emu, epcm->memblk); 473 epcm->memblk = NULL; 474 epcm->start_addr = 0; 475 } 476 snd_pcm_lib_free_pages(substream); 477 return 0; 478 } 479 480 static int snd_emu10k1_playback_prepare(snd_pcm_substream_t * substream) 481 { 482 emu10k1_t *emu = snd_pcm_substream_chip(substream); 483 snd_pcm_runtime_t *runtime = substream->runtime; 484 emu10k1_pcm_t *epcm = runtime->private_data; 485 unsigned int start_addr, end_addr; 486 487 start_addr = epcm->start_addr; 488 end_addr = snd_pcm_lib_period_bytes(substream); 489 if (runtime->channels == 2) { 490 start_addr >>= 1; 491 end_addr >>= 1; 492 } 493 end_addr += start_addr; 494 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 495 start_addr, end_addr, NULL); 496 start_addr = epcm->start_addr; 497 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 498 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 499 start_addr, end_addr, 500 &emu->pcm_mixer[substream->number]); 501 if (epcm->voices[1]) 502 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[1], 503 start_addr, end_addr, 504 &emu->pcm_mixer[substream->number]); 505 return 0; 506 } 507 508 static int snd_emu10k1_efx_playback_prepare(snd_pcm_substream_t * substream) 509 { 510 emu10k1_t *emu = snd_pcm_substream_chip(substream); 511 snd_pcm_runtime_t *runtime = substream->runtime; 512 emu10k1_pcm_t *epcm = runtime->private_data; 513 unsigned int start_addr, end_addr; 514 unsigned int channel_size; 515 int i; 516 517 start_addr = epcm->start_addr; 518 end_addr = epcm->start_addr + snd_pcm_lib_buffer_bytes(substream); 519 520 /* 521 * the kX driver leaves some space between voices 522 */ 523 channel_size = ( end_addr - start_addr ) / NUM_EFX_PLAYBACK; 524 525 snd_emu10k1_pcm_init_voice(emu, 1, 1, epcm->extra, 526 start_addr, start_addr + (channel_size / 2), NULL); 527 528 /* only difference with the master voice is we use it for the pointer */ 529 snd_emu10k1_pcm_init_voice(emu, 1, 0, epcm->voices[0], 530 start_addr, start_addr + channel_size, 531 &emu->efx_pcm_mixer[0]); 532 533 start_addr += channel_size; 534 for (i = 1; i < NUM_EFX_PLAYBACK; i++) { 535 snd_emu10k1_pcm_init_voice(emu, 0, 0, epcm->voices[i], 536 start_addr, start_addr + channel_size, 537 &emu->efx_pcm_mixer[i]); 538 start_addr += channel_size; 539 } 540 541 return 0; 542 } 543 544 static snd_pcm_hardware_t snd_emu10k1_efx_playback = 545 { 546 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED | 547 SNDRV_PCM_INFO_BLOCK_TRANSFER | 548 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 549 .formats = SNDRV_PCM_FMTBIT_S16_LE, 550 .rates = SNDRV_PCM_RATE_48000, 551 .rate_min = 48000, 552 .rate_max = 48000, 553 .channels_min = NUM_EFX_PLAYBACK, 554 .channels_max = NUM_EFX_PLAYBACK, 555 .buffer_bytes_max = (64*1024), 556 .period_bytes_min = 64, 557 .period_bytes_max = (64*1024), 558 .periods_min = 2, 559 .periods_max = 2, 560 .fifo_size = 0, 561 }; 562 563 static int snd_emu10k1_capture_hw_params(snd_pcm_substream_t * substream, 564 snd_pcm_hw_params_t * hw_params) 565 { 566 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 567 } 568 569 static int snd_emu10k1_capture_hw_free(snd_pcm_substream_t * substream) 570 { 571 return snd_pcm_lib_free_pages(substream); 572 } 573 574 static int snd_emu10k1_capture_prepare(snd_pcm_substream_t * substream) 575 { 576 emu10k1_t *emu = snd_pcm_substream_chip(substream); 577 snd_pcm_runtime_t *runtime = substream->runtime; 578 emu10k1_pcm_t *epcm = runtime->private_data; 579 int idx; 580 581 /* zeroing the buffer size will stop capture */ 582 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 583 switch (epcm->type) { 584 case CAPTURE_AC97ADC: 585 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 586 break; 587 case CAPTURE_EFX: 588 if (emu->audigy) { 589 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 590 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 591 } else 592 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 593 break; 594 default: 595 break; 596 } 597 snd_emu10k1_ptr_write(emu, epcm->capture_ba_reg, 0, runtime->dma_addr); 598 epcm->capture_bufsize = snd_pcm_lib_buffer_bytes(substream); 599 epcm->capture_bs_val = 0; 600 for (idx = 0; idx < 31; idx++) { 601 if (capture_period_sizes[idx] == epcm->capture_bufsize) { 602 epcm->capture_bs_val = idx + 1; 603 break; 604 } 605 } 606 if (epcm->capture_bs_val == 0) { 607 snd_BUG(); 608 epcm->capture_bs_val++; 609 } 610 if (epcm->type == CAPTURE_AC97ADC) { 611 epcm->capture_cr_val = emu->audigy ? A_ADCCR_LCHANENABLE : ADCCR_LCHANENABLE; 612 if (runtime->channels > 1) 613 epcm->capture_cr_val |= emu->audigy ? A_ADCCR_RCHANENABLE : ADCCR_RCHANENABLE; 614 epcm->capture_cr_val |= emu->audigy ? 615 snd_emu10k1_audigy_capture_rate_reg(runtime->rate) : 616 snd_emu10k1_capture_rate_reg(runtime->rate); 617 } 618 return 0; 619 } 620 621 static void snd_emu10k1_playback_invalidate_cache(emu10k1_t *emu, int extra, emu10k1_voice_t *evoice) 622 { 623 snd_pcm_runtime_t *runtime; 624 unsigned int voice, stereo, i, ccis, cra = 64, cs, sample; 625 626 if (evoice == NULL) 627 return; 628 runtime = evoice->epcm->substream->runtime; 629 voice = evoice->number; 630 stereo = (!extra && runtime->channels == 2); 631 sample = snd_pcm_format_width(runtime->format) == 16 ? 0 : 0x80808080; 632 ccis = emu10k1_ccis(stereo, sample == 0); 633 // set cs to 2 * number of cache registers beside the invalidated 634 cs = (sample == 0) ? (32-ccis) : (64-ccis+1) >> 1; 635 if (cs > 16) cs = 16; 636 for (i = 0; i < cs; i++) { 637 snd_emu10k1_ptr_write(emu, CD0 + i, voice, sample); 638 if (stereo) { 639 snd_emu10k1_ptr_write(emu, CD0 + i, voice + 1, sample); 640 } 641 } 642 // reset cache 643 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, 0); 644 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice, cra); 645 if (stereo) { 646 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice + 1, 0); 647 snd_emu10k1_ptr_write(emu, CCR_READADDRESS, voice + 1, cra); 648 } 649 // fill cache 650 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice, ccis); 651 if (stereo) { 652 snd_emu10k1_ptr_write(emu, CCR_CACHEINVALIDSIZE, voice+1, ccis); 653 } 654 } 655 656 static void snd_emu10k1_playback_prepare_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, 657 int master, int extra, 658 emu10k1_pcm_mixer_t *mix) 659 { 660 snd_pcm_substream_t *substream; 661 snd_pcm_runtime_t *runtime; 662 unsigned int attn, vattn; 663 unsigned int voice, tmp; 664 665 if (evoice == NULL) /* skip second voice for mono */ 666 return; 667 substream = evoice->epcm->substream; 668 runtime = substream->runtime; 669 voice = evoice->number; 670 671 attn = extra ? 0 : 0x00ff; 672 tmp = runtime->channels == 2 ? (master ? 1 : 2) : 0; 673 vattn = mix != NULL ? (mix->attn[tmp] << 16) : 0; 674 snd_emu10k1_ptr_write(emu, IFATN, voice, attn); 675 snd_emu10k1_ptr_write(emu, VTFT, voice, vattn | 0xffff); 676 snd_emu10k1_ptr_write(emu, CVCF, voice, vattn | 0xffff); 677 snd_emu10k1_ptr_write(emu, DCYSUSV, voice, 0x7f7f); 678 snd_emu10k1_voice_clear_loop_stop(emu, voice); 679 } 680 681 static void snd_emu10k1_playback_trigger_voice(emu10k1_t *emu, emu10k1_voice_t *evoice, int master, int extra) 682 { 683 snd_pcm_substream_t *substream; 684 snd_pcm_runtime_t *runtime; 685 unsigned int voice, pitch, pitch_target; 686 687 if (evoice == NULL) /* skip second voice for mono */ 688 return; 689 substream = evoice->epcm->substream; 690 runtime = substream->runtime; 691 voice = evoice->number; 692 693 pitch = snd_emu10k1_rate_to_pitch(runtime->rate) >> 8; 694 pitch_target = emu10k1_calc_pitch_target(runtime->rate); 695 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, pitch_target); 696 if (master || evoice->epcm->type == PLAYBACK_EFX) 697 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, pitch_target); 698 snd_emu10k1_ptr_write(emu, IP, voice, pitch); 699 if (extra) 700 snd_emu10k1_voice_intr_enable(emu, voice); 701 } 702 703 static void snd_emu10k1_playback_stop_voice(emu10k1_t *emu, emu10k1_voice_t *evoice) 704 { 705 unsigned int voice; 706 707 if (evoice == NULL) 708 return; 709 voice = evoice->number; 710 snd_emu10k1_voice_intr_disable(emu, voice); 711 snd_emu10k1_ptr_write(emu, PTRX_PITCHTARGET, voice, 0); 712 snd_emu10k1_ptr_write(emu, CPF_CURRENTPITCH, voice, 0); 713 snd_emu10k1_ptr_write(emu, IFATN, voice, 0xffff); 714 snd_emu10k1_ptr_write(emu, VTFT, voice, 0xffff); 715 snd_emu10k1_ptr_write(emu, CVCF, voice, 0xffff); 716 snd_emu10k1_ptr_write(emu, IP, voice, 0); 717 } 718 719 static int snd_emu10k1_playback_trigger(snd_pcm_substream_t * substream, 720 int cmd) 721 { 722 emu10k1_t *emu = snd_pcm_substream_chip(substream); 723 snd_pcm_runtime_t *runtime = substream->runtime; 724 emu10k1_pcm_t *epcm = runtime->private_data; 725 emu10k1_pcm_mixer_t *mix; 726 int result = 0; 727 728 // printk("trigger - emu10k1 = 0x%x, cmd = %i, pointer = %i\n", (int)emu, cmd, substream->ops->pointer(substream)); 729 spin_lock(&emu->reg_lock); 730 switch (cmd) { 731 case SNDRV_PCM_TRIGGER_START: 732 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); /* do we need this? */ 733 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[0]); 734 /* follow thru */ 735 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 736 mix = &emu->pcm_mixer[substream->number]; 737 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 1, 0, mix); 738 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[1], 0, 0, mix); 739 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 740 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 1, 0); 741 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[1], 0, 0); 742 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 743 epcm->running = 1; 744 break; 745 case SNDRV_PCM_TRIGGER_STOP: 746 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 747 epcm->running = 0; 748 snd_emu10k1_playback_stop_voice(emu, epcm->voices[0]); 749 snd_emu10k1_playback_stop_voice(emu, epcm->voices[1]); 750 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 751 break; 752 default: 753 result = -EINVAL; 754 break; 755 } 756 spin_unlock(&emu->reg_lock); 757 return result; 758 } 759 760 static int snd_emu10k1_capture_trigger(snd_pcm_substream_t * substream, 761 int cmd) 762 { 763 emu10k1_t *emu = snd_pcm_substream_chip(substream); 764 snd_pcm_runtime_t *runtime = substream->runtime; 765 emu10k1_pcm_t *epcm = runtime->private_data; 766 int result = 0; 767 768 spin_lock(&emu->reg_lock); 769 switch (cmd) { 770 case SNDRV_PCM_TRIGGER_START: 771 // hmm this should cause full and half full interrupt to be raised? 772 outl(epcm->capture_ipr, emu->port + IPR); 773 snd_emu10k1_intr_enable(emu, epcm->capture_inte); 774 // printk("adccr = 0x%x, adcbs = 0x%x\n", epcm->adccr, epcm->adcbs); 775 switch (epcm->type) { 776 case CAPTURE_AC97ADC: 777 snd_emu10k1_ptr_write(emu, ADCCR, 0, epcm->capture_cr_val); 778 break; 779 case CAPTURE_EFX: 780 if (emu->audigy) { 781 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, epcm->capture_cr_val); 782 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, epcm->capture_cr_val2); 783 } else 784 snd_emu10k1_ptr_write(emu, FXWC, 0, epcm->capture_cr_val); 785 break; 786 default: 787 break; 788 } 789 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, epcm->capture_bs_val); 790 epcm->running = 1; 791 epcm->first_ptr = 1; 792 break; 793 case SNDRV_PCM_TRIGGER_STOP: 794 epcm->running = 0; 795 snd_emu10k1_intr_disable(emu, epcm->capture_inte); 796 outl(epcm->capture_ipr, emu->port + IPR); 797 snd_emu10k1_ptr_write(emu, epcm->capture_bs_reg, 0, 0); 798 switch (epcm->type) { 799 case CAPTURE_AC97ADC: 800 snd_emu10k1_ptr_write(emu, ADCCR, 0, 0); 801 break; 802 case CAPTURE_EFX: 803 if (emu->audigy) { 804 snd_emu10k1_ptr_write(emu, A_FXWC1, 0, 0); 805 snd_emu10k1_ptr_write(emu, A_FXWC2, 0, 0); 806 } else 807 snd_emu10k1_ptr_write(emu, FXWC, 0, 0); 808 break; 809 default: 810 break; 811 } 812 break; 813 default: 814 result = -EINVAL; 815 } 816 spin_unlock(&emu->reg_lock); 817 return result; 818 } 819 820 static snd_pcm_uframes_t snd_emu10k1_playback_pointer(snd_pcm_substream_t * substream) 821 { 822 emu10k1_t *emu = snd_pcm_substream_chip(substream); 823 snd_pcm_runtime_t *runtime = substream->runtime; 824 emu10k1_pcm_t *epcm = runtime->private_data; 825 unsigned int ptr; 826 827 if (!epcm->running) 828 return 0; 829 ptr = snd_emu10k1_ptr_read(emu, CCCA, epcm->voices[0]->number) & 0x00ffffff; 830 #if 0 /* Perex's code */ 831 ptr += runtime->buffer_size; 832 ptr -= epcm->ccca_start_addr; 833 ptr %= runtime->buffer_size; 834 #else /* EMU10K1 Open Source code from Creative */ 835 if (ptr < epcm->ccca_start_addr) 836 ptr += runtime->buffer_size - epcm->ccca_start_addr; 837 else { 838 ptr -= epcm->ccca_start_addr; 839 if (ptr >= runtime->buffer_size) 840 ptr -= runtime->buffer_size; 841 } 842 #endif 843 // printk("ptr = 0x%x, buffer_size = 0x%x, period_size = 0x%x\n", ptr, runtime->buffer_size, runtime->period_size); 844 return ptr; 845 } 846 847 848 static int snd_emu10k1_efx_playback_trigger(snd_pcm_substream_t * substream, 849 int cmd) 850 { 851 emu10k1_t *emu = snd_pcm_substream_chip(substream); 852 snd_pcm_runtime_t *runtime = substream->runtime; 853 emu10k1_pcm_t *epcm = runtime->private_data; 854 int i; 855 int result = 0; 856 857 spin_lock(&emu->reg_lock); 858 switch (cmd) { 859 case SNDRV_PCM_TRIGGER_START: 860 // prepare voices 861 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 862 snd_emu10k1_playback_invalidate_cache(emu, 0, epcm->voices[i]); 863 } 864 snd_emu10k1_playback_invalidate_cache(emu, 1, epcm->extra); 865 866 /* follow thru */ 867 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 868 snd_emu10k1_playback_prepare_voice(emu, epcm->extra, 1, 1, NULL); 869 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[0], 0, 0, 870 &emu->efx_pcm_mixer[0]); 871 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 872 snd_emu10k1_playback_prepare_voice(emu, epcm->voices[i], 0, 0, 873 &emu->efx_pcm_mixer[i]); 874 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[0], 0, 0); 875 snd_emu10k1_playback_trigger_voice(emu, epcm->extra, 1, 1); 876 for (i = 1; i < NUM_EFX_PLAYBACK; i++) 877 snd_emu10k1_playback_trigger_voice(emu, epcm->voices[i], 0, 0); 878 epcm->running = 1; 879 break; 880 case SNDRV_PCM_TRIGGER_STOP: 881 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 882 epcm->running = 0; 883 for (i = 0; i < NUM_EFX_PLAYBACK; i++) { 884 snd_emu10k1_playback_stop_voice(emu, epcm->voices[i]); 885 } 886 snd_emu10k1_playback_stop_voice(emu, epcm->extra); 887 break; 888 default: 889 result = -EINVAL; 890 break; 891 } 892 spin_unlock(&emu->reg_lock); 893 return result; 894 } 895 896 897 static snd_pcm_uframes_t snd_emu10k1_capture_pointer(snd_pcm_substream_t * substream) 898 { 899 emu10k1_t *emu = snd_pcm_substream_chip(substream); 900 snd_pcm_runtime_t *runtime = substream->runtime; 901 emu10k1_pcm_t *epcm = runtime->private_data; 902 unsigned int ptr; 903 904 if (!epcm->running) 905 return 0; 906 if (epcm->first_ptr) { 907 udelay(50); // hack, it takes awhile until capture is started 908 epcm->first_ptr = 0; 909 } 910 ptr = snd_emu10k1_ptr_read(emu, epcm->capture_idx_reg, 0) & 0x0000ffff; 911 return bytes_to_frames(runtime, ptr); 912 } 913 914 /* 915 * Playback support device description 916 */ 917 918 static snd_pcm_hardware_t snd_emu10k1_playback = 919 { 920 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 921 SNDRV_PCM_INFO_BLOCK_TRANSFER | 922 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), 923 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 924 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_96000, 925 .rate_min = 4000, 926 .rate_max = 96000, 927 .channels_min = 1, 928 .channels_max = 2, 929 .buffer_bytes_max = (128*1024), 930 .period_bytes_min = 64, 931 .period_bytes_max = (128*1024), 932 .periods_min = 1, 933 .periods_max = 1024, 934 .fifo_size = 0, 935 }; 936 937 /* 938 * Capture support device description 939 */ 940 941 static snd_pcm_hardware_t snd_emu10k1_capture = 942 { 943 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 944 SNDRV_PCM_INFO_BLOCK_TRANSFER | 945 SNDRV_PCM_INFO_MMAP_VALID), 946 .formats = SNDRV_PCM_FMTBIT_S16_LE, 947 .rates = SNDRV_PCM_RATE_8000_48000, 948 .rate_min = 8000, 949 .rate_max = 48000, 950 .channels_min = 1, 951 .channels_max = 2, 952 .buffer_bytes_max = (64*1024), 953 .period_bytes_min = 384, 954 .period_bytes_max = (64*1024), 955 .periods_min = 2, 956 .periods_max = 2, 957 .fifo_size = 0, 958 }; 959 960 /* 961 * 962 */ 963 964 static void snd_emu10k1_pcm_mixer_notify1(emu10k1_t *emu, snd_kcontrol_t *kctl, int idx, int activate) 965 { 966 snd_ctl_elem_id_t id; 967 968 snd_runtime_check(kctl != NULL, return); 969 if (activate) 970 kctl->vd[idx].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 971 else 972 kctl->vd[idx].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; 973 snd_ctl_notify(emu->card, SNDRV_CTL_EVENT_MASK_VALUE | 974 SNDRV_CTL_EVENT_MASK_INFO, 975 snd_ctl_build_ioff(&id, kctl, idx)); 976 } 977 978 static void snd_emu10k1_pcm_mixer_notify(emu10k1_t *emu, int idx, int activate) 979 { 980 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_routing, idx, activate); 981 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_send_volume, idx, activate); 982 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_attn, idx, activate); 983 } 984 985 static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activate) 986 { 987 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_routing, idx, activate); 988 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_send_volume, idx, activate); 989 snd_emu10k1_pcm_mixer_notify1(emu, emu->ctl_efx_attn, idx, activate); 990 } 991 992 static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime) 993 { 994 kfree(runtime->private_data); 995 } 996 997 static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream) 998 { 999 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1000 emu10k1_pcm_mixer_t *mix; 1001 int i; 1002 1003 for (i=0; i < NUM_EFX_PLAYBACK; i++) { 1004 mix = &emu->efx_pcm_mixer[i]; 1005 mix->epcm = NULL; 1006 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 0); 1007 } 1008 return 0; 1009 } 1010 1011 static int snd_emu10k1_efx_playback_open(snd_pcm_substream_t * substream) 1012 { 1013 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1014 emu10k1_pcm_t *epcm; 1015 emu10k1_pcm_mixer_t *mix; 1016 snd_pcm_runtime_t *runtime = substream->runtime; 1017 int i; 1018 1019 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); 1020 if (epcm == NULL) 1021 return -ENOMEM; 1022 epcm->emu = emu; 1023 epcm->type = PLAYBACK_EFX; 1024 epcm->substream = substream; 1025 1026 emu->pcm_playback_efx_substream = substream; 1027 1028 runtime->private_data = epcm; 1029 runtime->private_free = snd_emu10k1_pcm_free_substream; 1030 runtime->hw = snd_emu10k1_efx_playback; 1031 1032 for (i=0; i < NUM_EFX_PLAYBACK; i++) { 1033 mix = &emu->efx_pcm_mixer[i]; 1034 mix->send_routing[0][0] = i; 1035 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1036 mix->send_volume[0][0] = 255; 1037 mix->attn[0] = 0xffff; 1038 mix->epcm = epcm; 1039 snd_emu10k1_pcm_efx_mixer_notify(emu, i, 1); 1040 } 1041 return 0; 1042 } 1043 1044 static int snd_emu10k1_playback_open(snd_pcm_substream_t * substream) 1045 { 1046 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1047 emu10k1_pcm_t *epcm; 1048 emu10k1_pcm_mixer_t *mix; 1049 snd_pcm_runtime_t *runtime = substream->runtime; 1050 int i, err; 1051 1052 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); 1053 if (epcm == NULL) 1054 return -ENOMEM; 1055 epcm->emu = emu; 1056 epcm->type = PLAYBACK_EMUVOICE; 1057 epcm->substream = substream; 1058 runtime->private_data = epcm; 1059 runtime->private_free = snd_emu10k1_pcm_free_substream; 1060 runtime->hw = snd_emu10k1_playback; 1061 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { 1062 kfree(epcm); 1063 return err; 1064 } 1065 if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0) { 1066 kfree(epcm); 1067 return err; 1068 } 1069 mix = &emu->pcm_mixer[substream->number]; 1070 for (i = 0; i < 4; i++) 1071 mix->send_routing[0][i] = mix->send_routing[1][i] = mix->send_routing[2][i] = i; 1072 memset(&mix->send_volume, 0, sizeof(mix->send_volume)); 1073 mix->send_volume[0][0] = mix->send_volume[0][1] = 1074 mix->send_volume[1][0] = mix->send_volume[2][1] = 255; 1075 mix->attn[0] = mix->attn[1] = mix->attn[2] = 0xffff; 1076 mix->epcm = epcm; 1077 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 1); 1078 return 0; 1079 } 1080 1081 static int snd_emu10k1_playback_close(snd_pcm_substream_t * substream) 1082 { 1083 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1084 emu10k1_pcm_mixer_t *mix = &emu->pcm_mixer[substream->number]; 1085 1086 mix->epcm = NULL; 1087 snd_emu10k1_pcm_mixer_notify(emu, substream->number, 0); 1088 return 0; 1089 } 1090 1091 static int snd_emu10k1_capture_open(snd_pcm_substream_t * substream) 1092 { 1093 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1094 snd_pcm_runtime_t *runtime = substream->runtime; 1095 emu10k1_pcm_t *epcm; 1096 1097 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); 1098 if (epcm == NULL) 1099 return -ENOMEM; 1100 epcm->emu = emu; 1101 epcm->type = CAPTURE_AC97ADC; 1102 epcm->substream = substream; 1103 epcm->capture_ipr = IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL; 1104 epcm->capture_inte = INTE_ADCBUFENABLE; 1105 epcm->capture_ba_reg = ADCBA; 1106 epcm->capture_bs_reg = ADCBS; 1107 epcm->capture_idx_reg = emu->audigy ? A_ADCIDX : ADCIDX; 1108 runtime->private_data = epcm; 1109 runtime->private_free = snd_emu10k1_pcm_free_substream; 1110 runtime->hw = snd_emu10k1_capture; 1111 emu->capture_interrupt = snd_emu10k1_pcm_ac97adc_interrupt; 1112 emu->pcm_capture_substream = substream; 1113 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1114 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_capture_rates); 1115 return 0; 1116 } 1117 1118 static int snd_emu10k1_capture_close(snd_pcm_substream_t * substream) 1119 { 1120 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1121 1122 emu->capture_interrupt = NULL; 1123 emu->pcm_capture_substream = NULL; 1124 return 0; 1125 } 1126 1127 static int snd_emu10k1_capture_mic_open(snd_pcm_substream_t * substream) 1128 { 1129 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1130 emu10k1_pcm_t *epcm; 1131 snd_pcm_runtime_t *runtime = substream->runtime; 1132 1133 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); 1134 if (epcm == NULL) 1135 return -ENOMEM; 1136 epcm->emu = emu; 1137 epcm->type = CAPTURE_AC97MIC; 1138 epcm->substream = substream; 1139 epcm->capture_ipr = IPR_MICBUFFULL|IPR_MICBUFHALFFULL; 1140 epcm->capture_inte = INTE_MICBUFENABLE; 1141 epcm->capture_ba_reg = MICBA; 1142 epcm->capture_bs_reg = MICBS; 1143 epcm->capture_idx_reg = emu->audigy ? A_MICIDX : MICIDX; 1144 substream->runtime->private_data = epcm; 1145 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1146 runtime->hw = snd_emu10k1_capture; 1147 runtime->hw.rates = SNDRV_PCM_RATE_8000; 1148 runtime->hw.rate_min = runtime->hw.rate_max = 8000; 1149 runtime->hw.channels_min = 1; 1150 emu->capture_mic_interrupt = snd_emu10k1_pcm_ac97mic_interrupt; 1151 emu->pcm_capture_mic_substream = substream; 1152 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1153 return 0; 1154 } 1155 1156 static int snd_emu10k1_capture_mic_close(snd_pcm_substream_t * substream) 1157 { 1158 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1159 1160 emu->capture_interrupt = NULL; 1161 emu->pcm_capture_mic_substream = NULL; 1162 return 0; 1163 } 1164 1165 static int snd_emu10k1_capture_efx_open(snd_pcm_substream_t * substream) 1166 { 1167 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1168 emu10k1_pcm_t *epcm; 1169 snd_pcm_runtime_t *runtime = substream->runtime; 1170 int nefx = emu->audigy ? 64 : 32; 1171 int idx; 1172 1173 epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL); 1174 if (epcm == NULL) 1175 return -ENOMEM; 1176 epcm->emu = emu; 1177 epcm->type = CAPTURE_EFX; 1178 epcm->substream = substream; 1179 epcm->capture_ipr = IPR_EFXBUFFULL|IPR_EFXBUFHALFFULL; 1180 epcm->capture_inte = INTE_EFXBUFENABLE; 1181 epcm->capture_ba_reg = FXBA; 1182 epcm->capture_bs_reg = FXBS; 1183 epcm->capture_idx_reg = FXIDX; 1184 substream->runtime->private_data = epcm; 1185 substream->runtime->private_free = snd_emu10k1_pcm_free_substream; 1186 runtime->hw = snd_emu10k1_capture; 1187 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1188 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1189 spin_lock_irq(&emu->reg_lock); 1190 runtime->hw.channels_min = runtime->hw.channels_max = 0; 1191 for (idx = 0; idx < nefx; idx++) { 1192 if (emu->efx_voices_mask[idx/32] & (1 << (idx%32))) { 1193 runtime->hw.channels_min++; 1194 runtime->hw.channels_max++; 1195 } 1196 } 1197 epcm->capture_cr_val = emu->efx_voices_mask[0]; 1198 epcm->capture_cr_val2 = emu->efx_voices_mask[1]; 1199 spin_unlock_irq(&emu->reg_lock); 1200 emu->capture_efx_interrupt = snd_emu10k1_pcm_efx_interrupt; 1201 emu->pcm_capture_efx_substream = substream; 1202 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, &hw_constraints_capture_period_sizes); 1203 return 0; 1204 } 1205 1206 static int snd_emu10k1_capture_efx_close(snd_pcm_substream_t * substream) 1207 { 1208 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1209 1210 emu->capture_interrupt = NULL; 1211 emu->pcm_capture_efx_substream = NULL; 1212 return 0; 1213 } 1214 1215 static snd_pcm_ops_t snd_emu10k1_playback_ops = { 1216 .open = snd_emu10k1_playback_open, 1217 .close = snd_emu10k1_playback_close, 1218 .ioctl = snd_pcm_lib_ioctl, 1219 .hw_params = snd_emu10k1_playback_hw_params, 1220 .hw_free = snd_emu10k1_playback_hw_free, 1221 .prepare = snd_emu10k1_playback_prepare, 1222 .trigger = snd_emu10k1_playback_trigger, 1223 .pointer = snd_emu10k1_playback_pointer, 1224 .page = snd_pcm_sgbuf_ops_page, 1225 }; 1226 1227 static snd_pcm_ops_t snd_emu10k1_capture_ops = { 1228 .open = snd_emu10k1_capture_open, 1229 .close = snd_emu10k1_capture_close, 1230 .ioctl = snd_pcm_lib_ioctl, 1231 .hw_params = snd_emu10k1_capture_hw_params, 1232 .hw_free = snd_emu10k1_capture_hw_free, 1233 .prepare = snd_emu10k1_capture_prepare, 1234 .trigger = snd_emu10k1_capture_trigger, 1235 .pointer = snd_emu10k1_capture_pointer, 1236 }; 1237 1238 /* EFX playback */ 1239 static snd_pcm_ops_t snd_emu10k1_efx_playback_ops = { 1240 .open = snd_emu10k1_efx_playback_open, 1241 .close = snd_emu10k1_efx_playback_close, 1242 .ioctl = snd_pcm_lib_ioctl, 1243 .hw_params = snd_emu10k1_playback_hw_params, 1244 .hw_free = snd_emu10k1_efx_playback_hw_free, 1245 .prepare = snd_emu10k1_efx_playback_prepare, 1246 .trigger = snd_emu10k1_efx_playback_trigger, 1247 .pointer = snd_emu10k1_efx_playback_pointer, 1248 .page = snd_pcm_sgbuf_ops_page, 1249 }; 1250 1251 static void snd_emu10k1_pcm_free(snd_pcm_t *pcm) 1252 { 1253 emu10k1_t *emu = pcm->private_data; 1254 emu->pcm = NULL; 1255 snd_pcm_lib_preallocate_free_for_all(pcm); 1256 } 1257 1258 int __devinit snd_emu10k1_pcm(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) 1259 { 1260 snd_pcm_t *pcm; 1261 snd_pcm_substream_t *substream; 1262 int err; 1263 1264 if (rpcm) 1265 *rpcm = NULL; 1266 1267 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 32, 1, &pcm)) < 0) 1268 return err; 1269 1270 pcm->private_data = emu; 1271 pcm->private_free = snd_emu10k1_pcm_free; 1272 1273 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_playback_ops); 1274 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_ops); 1275 1276 pcm->info_flags = 0; 1277 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1278 strcpy(pcm->name, "ADC Capture/Standard PCM Playback"); 1279 emu->pcm = pcm; 1280 1281 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1282 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1283 return err; 1284 1285 for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; substream; substream = substream->next) 1286 snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1287 1288 if (rpcm) 1289 *rpcm = pcm; 1290 1291 return 0; 1292 } 1293 1294 int __devinit snd_emu10k1_pcm_multi(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) 1295 { 1296 snd_pcm_t *pcm; 1297 snd_pcm_substream_t *substream; 1298 int err; 1299 1300 if (rpcm) 1301 *rpcm = NULL; 1302 1303 if ((err = snd_pcm_new(emu->card, "emu10k1", device, 1, 0, &pcm)) < 0) 1304 return err; 1305 1306 pcm->private_data = emu; 1307 pcm->private_free = snd_emu10k1_pcm_free; 1308 1309 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_efx_playback_ops); 1310 1311 pcm->info_flags = 0; 1312 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1313 strcpy(pcm->name, "Multichannel Playback"); 1314 emu->pcm = pcm; 1315 1316 for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) 1317 if ((err = snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(emu->pci), 64*1024, 64*1024)) < 0) 1318 return err; 1319 1320 if (rpcm) 1321 *rpcm = pcm; 1322 1323 return 0; 1324 } 1325 1326 1327 static snd_pcm_ops_t snd_emu10k1_capture_mic_ops = { 1328 .open = snd_emu10k1_capture_mic_open, 1329 .close = snd_emu10k1_capture_mic_close, 1330 .ioctl = snd_pcm_lib_ioctl, 1331 .hw_params = snd_emu10k1_capture_hw_params, 1332 .hw_free = snd_emu10k1_capture_hw_free, 1333 .prepare = snd_emu10k1_capture_prepare, 1334 .trigger = snd_emu10k1_capture_trigger, 1335 .pointer = snd_emu10k1_capture_pointer, 1336 }; 1337 1338 static void snd_emu10k1_pcm_mic_free(snd_pcm_t *pcm) 1339 { 1340 emu10k1_t *emu = pcm->private_data; 1341 emu->pcm_mic = NULL; 1342 snd_pcm_lib_preallocate_free_for_all(pcm); 1343 } 1344 1345 int __devinit snd_emu10k1_pcm_mic(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) 1346 { 1347 snd_pcm_t *pcm; 1348 int err; 1349 1350 if (rpcm) 1351 *rpcm = NULL; 1352 1353 if ((err = snd_pcm_new(emu->card, "emu10k1 mic", device, 0, 1, &pcm)) < 0) 1354 return err; 1355 1356 pcm->private_data = emu; 1357 pcm->private_free = snd_emu10k1_pcm_mic_free; 1358 1359 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_mic_ops); 1360 1361 pcm->info_flags = 0; 1362 strcpy(pcm->name, "Mic Capture"); 1363 emu->pcm_mic = pcm; 1364 1365 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1366 1367 if (rpcm) 1368 *rpcm = pcm; 1369 return 0; 1370 } 1371 1372 static int snd_emu10k1_pcm_efx_voices_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 1373 { 1374 emu10k1_t *emu = snd_kcontrol_chip(kcontrol); 1375 int nefx = emu->audigy ? 64 : 32; 1376 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1377 uinfo->count = nefx; 1378 uinfo->value.integer.min = 0; 1379 uinfo->value.integer.max = 1; 1380 return 0; 1381 } 1382 1383 static int snd_emu10k1_pcm_efx_voices_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 1384 { 1385 emu10k1_t *emu = snd_kcontrol_chip(kcontrol); 1386 int nefx = emu->audigy ? 64 : 32; 1387 int idx; 1388 1389 spin_lock_irq(&emu->reg_lock); 1390 for (idx = 0; idx < nefx; idx++) 1391 ucontrol->value.integer.value[idx] = (emu->efx_voices_mask[idx / 32] & (1 << (idx % 32))) ? 1 : 0; 1392 spin_unlock_irq(&emu->reg_lock); 1393 return 0; 1394 } 1395 1396 static int snd_emu10k1_pcm_efx_voices_mask_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 1397 { 1398 emu10k1_t *emu = snd_kcontrol_chip(kcontrol); 1399 unsigned int nval[2], bits; 1400 int nefx = emu->audigy ? 64 : 32; 1401 int nefxb = emu->audigy ? 7 : 6; 1402 int change, idx; 1403 1404 nval[0] = nval[1] = 0; 1405 for (idx = 0, bits = 0; idx < nefx; idx++) 1406 if (ucontrol->value.integer.value[idx]) { 1407 nval[idx / 32] |= 1 << (idx % 32); 1408 bits++; 1409 } 1410 1411 for (idx = 0; idx < nefxb; idx++) 1412 if (1 << idx == bits) 1413 break; 1414 1415 if (idx >= nefxb) 1416 return -EINVAL; 1417 1418 spin_lock_irq(&emu->reg_lock); 1419 change = (nval[0] != emu->efx_voices_mask[0]) || 1420 (nval[1] != emu->efx_voices_mask[1]); 1421 emu->efx_voices_mask[0] = nval[0]; 1422 emu->efx_voices_mask[1] = nval[1]; 1423 spin_unlock_irq(&emu->reg_lock); 1424 return change; 1425 } 1426 1427 static snd_kcontrol_new_t snd_emu10k1_pcm_efx_voices_mask = { 1428 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1429 .name = "Captured FX8010 Outputs", 1430 .info = snd_emu10k1_pcm_efx_voices_mask_info, 1431 .get = snd_emu10k1_pcm_efx_voices_mask_get, 1432 .put = snd_emu10k1_pcm_efx_voices_mask_put 1433 }; 1434 1435 static snd_pcm_ops_t snd_emu10k1_capture_efx_ops = { 1436 .open = snd_emu10k1_capture_efx_open, 1437 .close = snd_emu10k1_capture_efx_close, 1438 .ioctl = snd_pcm_lib_ioctl, 1439 .hw_params = snd_emu10k1_capture_hw_params, 1440 .hw_free = snd_emu10k1_capture_hw_free, 1441 .prepare = snd_emu10k1_capture_prepare, 1442 .trigger = snd_emu10k1_capture_trigger, 1443 .pointer = snd_emu10k1_capture_pointer, 1444 }; 1445 1446 1447 /* EFX playback */ 1448 1449 #define INITIAL_TRAM_SHIFT 14 1450 #define INITIAL_TRAM_POS(size) ((((size) / 2) - INITIAL_TRAM_SHIFT) - 1) 1451 1452 static void snd_emu10k1_fx8010_playback_irq(emu10k1_t *emu, void *private_data) 1453 { 1454 snd_pcm_substream_t *substream = private_data; 1455 snd_pcm_period_elapsed(substream); 1456 } 1457 1458 static void snd_emu10k1_fx8010_playback_tram_poke1(unsigned short *dst_left, 1459 unsigned short *dst_right, 1460 unsigned short *src, 1461 unsigned int count, 1462 unsigned int tram_shift) 1463 { 1464 // printk("tram_poke1: dst_left = 0x%p, dst_right = 0x%p, src = 0x%p, count = 0x%x\n", dst_left, dst_right, src, count); 1465 if ((tram_shift & 1) == 0) { 1466 while (count--) { 1467 *dst_left-- = *src++; 1468 *dst_right-- = *src++; 1469 } 1470 } else { 1471 while (count--) { 1472 *dst_right-- = *src++; 1473 *dst_left-- = *src++; 1474 } 1475 } 1476 } 1477 1478 static void fx8010_pb_trans_copy(snd_pcm_substream_t *substream, 1479 snd_pcm_indirect_t *rec, size_t bytes) 1480 { 1481 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1482 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1483 unsigned int tram_size = pcm->buffer_size; 1484 unsigned short *src = (unsigned short *)(substream->runtime->dma_area + rec->sw_data); 1485 unsigned int frames = bytes >> 2, count; 1486 unsigned int tram_pos = pcm->tram_pos; 1487 unsigned int tram_shift = pcm->tram_shift; 1488 1489 while (frames > tram_pos) { 1490 count = tram_pos + 1; 1491 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1492 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1493 src, count, tram_shift); 1494 src += count * 2; 1495 frames -= count; 1496 tram_pos = (tram_size / 2) - 1; 1497 tram_shift++; 1498 } 1499 snd_emu10k1_fx8010_playback_tram_poke1((unsigned short *)emu->fx8010.etram_pages.area + tram_pos, 1500 (unsigned short *)emu->fx8010.etram_pages.area + tram_pos + tram_size / 2, 1501 src, frames, tram_shift); 1502 tram_pos -= frames; 1503 pcm->tram_pos = tram_pos; 1504 pcm->tram_shift = tram_shift; 1505 } 1506 1507 static int snd_emu10k1_fx8010_playback_transfer(snd_pcm_substream_t *substream) 1508 { 1509 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1510 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1511 1512 snd_pcm_indirect_playback_transfer(substream, &pcm->pcm_rec, fx8010_pb_trans_copy); 1513 return 0; 1514 } 1515 1516 static int snd_emu10k1_fx8010_playback_hw_params(snd_pcm_substream_t * substream, 1517 snd_pcm_hw_params_t * hw_params) 1518 { 1519 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1520 } 1521 1522 static int snd_emu10k1_fx8010_playback_hw_free(snd_pcm_substream_t * substream) 1523 { 1524 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1525 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1526 unsigned int i; 1527 1528 for (i = 0; i < pcm->channels; i++) 1529 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, 0); 1530 snd_pcm_lib_free_pages(substream); 1531 return 0; 1532 } 1533 1534 static int snd_emu10k1_fx8010_playback_prepare(snd_pcm_substream_t * substream) 1535 { 1536 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1537 snd_pcm_runtime_t *runtime = substream->runtime; 1538 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1539 unsigned int i; 1540 1541 // printk("prepare: etram_pages = 0x%p, dma_area = 0x%x, buffer_size = 0x%x (0x%x)\n", emu->fx8010.etram_pages, runtime->dma_area, runtime->buffer_size, runtime->buffer_size << 2); 1542 memset(&pcm->pcm_rec, 0, sizeof(pcm->pcm_rec)); 1543 pcm->pcm_rec.hw_buffer_size = pcm->buffer_size * 2; /* byte size */ 1544 pcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1545 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1546 pcm->tram_shift = 0; 1547 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_running, 0, 0); /* reset */ 1548 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); /* reset */ 1549 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_size, 0, runtime->buffer_size); 1550 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_ptr, 0, 0); /* reset ptr number */ 1551 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_count, 0, runtime->period_size); 1552 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_tmpcount, 0, runtime->period_size); 1553 for (i = 0; i < pcm->channels; i++) 1554 snd_emu10k1_ptr_write(emu, TANKMEMADDRREGBASE + 0x80 + pcm->etram[i], 0, (TANKMEMADDRREG_READ|TANKMEMADDRREG_ALIGN) + i * (runtime->buffer_size / pcm->channels)); 1555 return 0; 1556 } 1557 1558 static int snd_emu10k1_fx8010_playback_trigger(snd_pcm_substream_t * substream, int cmd) 1559 { 1560 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1561 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1562 int result = 0; 1563 1564 spin_lock(&emu->reg_lock); 1565 switch (cmd) { 1566 case SNDRV_PCM_TRIGGER_START: 1567 /* follow thru */ 1568 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1569 #ifdef EMU10K1_SET_AC3_IEC958 1570 { 1571 int i; 1572 for (i = 0; i < 3; i++) { 1573 unsigned int bits; 1574 bits = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | 1575 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | SPCS_GENERATIONSTATUS | 1576 0x00001200 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT | SPCS_NOTAUDIODATA; 1577 snd_emu10k1_ptr_write(emu, SPCS0 + i, 0, bits); 1578 } 1579 } 1580 #endif 1581 result = snd_emu10k1_fx8010_register_irq_handler(emu, snd_emu10k1_fx8010_playback_irq, pcm->gpr_running, substream, &pcm->irq); 1582 if (result < 0) 1583 goto __err; 1584 snd_emu10k1_fx8010_playback_transfer(substream); /* roll the ball */ 1585 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 1); 1586 break; 1587 case SNDRV_PCM_TRIGGER_STOP: 1588 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1589 snd_emu10k1_fx8010_unregister_irq_handler(emu, pcm->irq); pcm->irq = NULL; 1590 snd_emu10k1_ptr_write(emu, emu->gpr_base + pcm->gpr_trigger, 0, 0); 1591 pcm->tram_pos = INITIAL_TRAM_POS(pcm->buffer_size); 1592 pcm->tram_shift = 0; 1593 break; 1594 default: 1595 result = -EINVAL; 1596 break; 1597 } 1598 __err: 1599 spin_unlock(&emu->reg_lock); 1600 return result; 1601 } 1602 1603 static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(snd_pcm_substream_t * substream) 1604 { 1605 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1606 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1607 size_t ptr; /* byte pointer */ 1608 1609 if (!snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_trigger, 0)) 1610 return 0; 1611 ptr = snd_emu10k1_ptr_read(emu, emu->gpr_base + pcm->gpr_ptr, 0) << 2; 1612 return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr); 1613 } 1614 1615 static snd_pcm_hardware_t snd_emu10k1_fx8010_playback = 1616 { 1617 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1618 /* SNDRV_PCM_INFO_MMAP_VALID | */ SNDRV_PCM_INFO_PAUSE), 1619 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1620 .rates = SNDRV_PCM_RATE_48000, 1621 .rate_min = 48000, 1622 .rate_max = 48000, 1623 .channels_min = 1, 1624 .channels_max = 1, 1625 .buffer_bytes_max = (128*1024), 1626 .period_bytes_min = 1024, 1627 .period_bytes_max = (128*1024), 1628 .periods_min = 1, 1629 .periods_max = 1024, 1630 .fifo_size = 0, 1631 }; 1632 1633 static int snd_emu10k1_fx8010_playback_open(snd_pcm_substream_t * substream) 1634 { 1635 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1636 snd_pcm_runtime_t *runtime = substream->runtime; 1637 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1638 1639 runtime->hw = snd_emu10k1_fx8010_playback; 1640 runtime->hw.channels_min = runtime->hw.channels_max = pcm->channels; 1641 runtime->hw.period_bytes_max = (pcm->buffer_size * 2) / 2; 1642 spin_lock_irq(&emu->reg_lock); 1643 if (pcm->valid == 0) { 1644 spin_unlock_irq(&emu->reg_lock); 1645 return -ENODEV; 1646 } 1647 pcm->opened = 1; 1648 spin_unlock_irq(&emu->reg_lock); 1649 return 0; 1650 } 1651 1652 static int snd_emu10k1_fx8010_playback_close(snd_pcm_substream_t * substream) 1653 { 1654 emu10k1_t *emu = snd_pcm_substream_chip(substream); 1655 snd_emu10k1_fx8010_pcm_t *pcm = &emu->fx8010.pcm[substream->number]; 1656 1657 spin_lock_irq(&emu->reg_lock); 1658 pcm->opened = 0; 1659 spin_unlock_irq(&emu->reg_lock); 1660 return 0; 1661 } 1662 1663 static snd_pcm_ops_t snd_emu10k1_fx8010_playback_ops = { 1664 .open = snd_emu10k1_fx8010_playback_open, 1665 .close = snd_emu10k1_fx8010_playback_close, 1666 .ioctl = snd_pcm_lib_ioctl, 1667 .hw_params = snd_emu10k1_fx8010_playback_hw_params, 1668 .hw_free = snd_emu10k1_fx8010_playback_hw_free, 1669 .prepare = snd_emu10k1_fx8010_playback_prepare, 1670 .trigger = snd_emu10k1_fx8010_playback_trigger, 1671 .pointer = snd_emu10k1_fx8010_playback_pointer, 1672 .ack = snd_emu10k1_fx8010_playback_transfer, 1673 }; 1674 1675 static void snd_emu10k1_pcm_efx_free(snd_pcm_t *pcm) 1676 { 1677 emu10k1_t *emu = pcm->private_data; 1678 emu->pcm_efx = NULL; 1679 snd_pcm_lib_preallocate_free_for_all(pcm); 1680 } 1681 1682 int __devinit snd_emu10k1_pcm_efx(emu10k1_t * emu, int device, snd_pcm_t ** rpcm) 1683 { 1684 snd_pcm_t *pcm; 1685 int err; 1686 1687 if (rpcm) 1688 *rpcm = NULL; 1689 1690 if ((err = snd_pcm_new(emu->card, "emu10k1 efx", device, 8, 1, &pcm)) < 0) 1691 return err; 1692 1693 pcm->private_data = emu; 1694 pcm->private_free = snd_emu10k1_pcm_efx_free; 1695 1696 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1_fx8010_playback_ops); 1697 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1_capture_efx_ops); 1698 1699 pcm->info_flags = 0; 1700 strcpy(pcm->name, "Multichannel Capture/PT Playback"); 1701 emu->pcm_efx = pcm; 1702 if (rpcm) 1703 *rpcm = pcm; 1704 1705 /* EFX capture - record the "FXBUS2" channels, by default we connect the EXTINs 1706 * to these 1707 */ 1708 1709 /* emu->efx_voices_mask[0] = FXWC_DEFAULTROUTE_C | FXWC_DEFAULTROUTE_A; */ 1710 if (emu->audigy) { 1711 emu->efx_voices_mask[0] = 0; 1712 emu->efx_voices_mask[1] = 0xffff; 1713 } else { 1714 emu->efx_voices_mask[0] = 0xffff0000; 1715 emu->efx_voices_mask[1] = 0; 1716 } 1717 snd_ctl_add(emu->card, snd_ctl_new1(&snd_emu10k1_pcm_efx_voices_mask, emu)); 1718 1719 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024); 1720 1721 return 0; 1722 } 1723