1 /** 2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. 3 * 4 * This source file is released under GPL v2 license (no other versions). 5 * See the COPYING file included in the main directory of this source 6 * distribution for the license terms and conditions. 7 * 8 * @File ctmixer.c 9 * 10 * @Brief 11 * This file contains the implementation of alsa mixer device functions. 12 * 13 * @Author Liu Chun 14 * @Date May 28 2008 15 * 16 */ 17 18 19 #include "ctmixer.h" 20 #include "ctamixer.h" 21 #include <linux/slab.h> 22 #include <sound/core.h> 23 #include <sound/control.h> 24 #include <sound/asoundef.h> 25 #include <sound/pcm.h> 26 #include <sound/tlv.h> 27 28 enum CT_SUM_CTL { 29 SUM_IN_F, 30 SUM_IN_R, 31 SUM_IN_C, 32 SUM_IN_S, 33 SUM_IN_F_C, 34 35 NUM_CT_SUMS 36 }; 37 38 enum CT_AMIXER_CTL { 39 /* volume control mixers */ 40 AMIXER_MASTER_F, 41 AMIXER_MASTER_R, 42 AMIXER_MASTER_C, 43 AMIXER_MASTER_S, 44 AMIXER_PCM_F, 45 AMIXER_PCM_R, 46 AMIXER_PCM_C, 47 AMIXER_PCM_S, 48 AMIXER_SPDIFI, 49 AMIXER_LINEIN, 50 AMIXER_MIC, 51 AMIXER_SPDIFO, 52 AMIXER_WAVE_F, 53 AMIXER_WAVE_R, 54 AMIXER_WAVE_C, 55 AMIXER_WAVE_S, 56 AMIXER_MASTER_F_C, 57 AMIXER_PCM_F_C, 58 AMIXER_SPDIFI_C, 59 AMIXER_LINEIN_C, 60 AMIXER_MIC_C, 61 62 /* this should always be the last one */ 63 NUM_CT_AMIXERS 64 }; 65 66 enum CTALSA_MIXER_CTL { 67 /* volume control mixers */ 68 MIXER_MASTER_P, 69 MIXER_PCM_P, 70 MIXER_LINEIN_P, 71 MIXER_MIC_P, 72 MIXER_SPDIFI_P, 73 MIXER_SPDIFO_P, 74 MIXER_WAVEF_P, 75 MIXER_WAVER_P, 76 MIXER_WAVEC_P, 77 MIXER_WAVES_P, 78 MIXER_MASTER_C, 79 MIXER_PCM_C, 80 MIXER_LINEIN_C, 81 MIXER_MIC_C, 82 MIXER_SPDIFI_C, 83 84 /* switch control mixers */ 85 MIXER_PCM_C_S, 86 MIXER_LINEIN_C_S, 87 MIXER_MIC_C_S, 88 MIXER_SPDIFI_C_S, 89 MIXER_LINEIN_P_S, 90 MIXER_SPDIFO_P_S, 91 MIXER_SPDIFI_P_S, 92 MIXER_WAVEF_P_S, 93 MIXER_WAVER_P_S, 94 MIXER_WAVEC_P_S, 95 MIXER_WAVES_P_S, 96 MIXER_DIGITAL_IO_S, 97 MIXER_IEC958_MASK, 98 MIXER_IEC958_DEFAULT, 99 MIXER_IEC958_STREAM, 100 101 /* this should always be the last one */ 102 NUM_CTALSA_MIXERS 103 }; 104 105 #define VOL_MIXER_START MIXER_MASTER_P 106 #define VOL_MIXER_END MIXER_SPDIFI_C 107 #define VOL_MIXER_NUM (VOL_MIXER_END - VOL_MIXER_START + 1) 108 #define SWH_MIXER_START MIXER_PCM_C_S 109 #define SWH_MIXER_END MIXER_DIGITAL_IO_S 110 #define SWH_CAPTURE_START MIXER_PCM_C_S 111 #define SWH_CAPTURE_END MIXER_SPDIFI_C_S 112 113 #define CHN_NUM 2 114 115 struct ct_kcontrol_init { 116 unsigned char ctl; 117 char *name; 118 }; 119 120 static struct ct_kcontrol_init 121 ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = { 122 [MIXER_MASTER_P] = { 123 .ctl = 1, 124 .name = "Master Playback Volume", 125 }, 126 [MIXER_MASTER_C] = { 127 .ctl = 1, 128 .name = "Master Capture Volume", 129 }, 130 [MIXER_PCM_P] = { 131 .ctl = 1, 132 .name = "PCM Playback Volume", 133 }, 134 [MIXER_PCM_C] = { 135 .ctl = 1, 136 .name = "PCM Capture Volume", 137 }, 138 [MIXER_LINEIN_P] = { 139 .ctl = 1, 140 .name = "Line-in Playback Volume", 141 }, 142 [MIXER_LINEIN_C] = { 143 .ctl = 1, 144 .name = "Line-in Capture Volume", 145 }, 146 [MIXER_MIC_P] = { 147 .ctl = 1, 148 .name = "Mic Playback Volume", 149 }, 150 [MIXER_MIC_C] = { 151 .ctl = 1, 152 .name = "Mic Capture Volume", 153 }, 154 [MIXER_SPDIFI_P] = { 155 .ctl = 1, 156 .name = "S/PDIF-in Playback Volume", 157 }, 158 [MIXER_SPDIFI_C] = { 159 .ctl = 1, 160 .name = "S/PDIF-in Capture Volume", 161 }, 162 [MIXER_SPDIFO_P] = { 163 .ctl = 1, 164 .name = "S/PDIF-out Playback Volume", 165 }, 166 [MIXER_WAVEF_P] = { 167 .ctl = 1, 168 .name = "Front Playback Volume", 169 }, 170 [MIXER_WAVES_P] = { 171 .ctl = 1, 172 .name = "Side Playback Volume", 173 }, 174 [MIXER_WAVEC_P] = { 175 .ctl = 1, 176 .name = "Center/LFE Playback Volume", 177 }, 178 [MIXER_WAVER_P] = { 179 .ctl = 1, 180 .name = "Surround Playback Volume", 181 }, 182 183 [MIXER_PCM_C_S] = { 184 .ctl = 1, 185 .name = "PCM Capture Switch", 186 }, 187 [MIXER_LINEIN_C_S] = { 188 .ctl = 1, 189 .name = "Line-in Capture Switch", 190 }, 191 [MIXER_MIC_C_S] = { 192 .ctl = 1, 193 .name = "Mic Capture Switch", 194 }, 195 [MIXER_SPDIFI_C_S] = { 196 .ctl = 1, 197 .name = "S/PDIF-in Capture Switch", 198 }, 199 [MIXER_LINEIN_P_S] = { 200 .ctl = 1, 201 .name = "Line-in Playback Switch", 202 }, 203 [MIXER_SPDIFO_P_S] = { 204 .ctl = 1, 205 .name = "S/PDIF-out Playback Switch", 206 }, 207 [MIXER_SPDIFI_P_S] = { 208 .ctl = 1, 209 .name = "S/PDIF-in Playback Switch", 210 }, 211 [MIXER_WAVEF_P_S] = { 212 .ctl = 1, 213 .name = "Front Playback Switch", 214 }, 215 [MIXER_WAVES_P_S] = { 216 .ctl = 1, 217 .name = "Side Playback Switch", 218 }, 219 [MIXER_WAVEC_P_S] = { 220 .ctl = 1, 221 .name = "Center/LFE Playback Switch", 222 }, 223 [MIXER_WAVER_P_S] = { 224 .ctl = 1, 225 .name = "Surround Playback Switch", 226 }, 227 [MIXER_DIGITAL_IO_S] = { 228 .ctl = 0, 229 .name = "Digit-IO Playback Switch", 230 }, 231 }; 232 233 static void 234 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type); 235 236 static void 237 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type); 238 239 static struct snd_kcontrol *kctls[2] = {NULL}; 240 241 static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index) 242 { 243 switch (alsa_index) { 244 case MIXER_MASTER_P: return AMIXER_MASTER_F; 245 case MIXER_MASTER_C: return AMIXER_MASTER_F_C; 246 case MIXER_PCM_P: return AMIXER_PCM_F; 247 case MIXER_PCM_C: 248 case MIXER_PCM_C_S: return AMIXER_PCM_F_C; 249 case MIXER_LINEIN_P: return AMIXER_LINEIN; 250 case MIXER_LINEIN_C: 251 case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C; 252 case MIXER_MIC_P: return AMIXER_MIC; 253 case MIXER_MIC_C: 254 case MIXER_MIC_C_S: return AMIXER_MIC_C; 255 case MIXER_SPDIFI_P: return AMIXER_SPDIFI; 256 case MIXER_SPDIFI_C: 257 case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C; 258 case MIXER_SPDIFO_P: return AMIXER_SPDIFO; 259 case MIXER_WAVEF_P: return AMIXER_WAVE_F; 260 case MIXER_WAVES_P: return AMIXER_WAVE_S; 261 case MIXER_WAVEC_P: return AMIXER_WAVE_C; 262 case MIXER_WAVER_P: return AMIXER_WAVE_R; 263 default: return NUM_CT_AMIXERS; 264 } 265 } 266 267 static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index) 268 { 269 switch (index) { 270 case AMIXER_MASTER_F: return AMIXER_MASTER_F_C; 271 case AMIXER_PCM_F: return AMIXER_PCM_F_C; 272 case AMIXER_SPDIFI: return AMIXER_SPDIFI_C; 273 case AMIXER_LINEIN: return AMIXER_LINEIN_C; 274 case AMIXER_MIC: return AMIXER_MIC_C; 275 default: return NUM_CT_AMIXERS; 276 } 277 } 278 279 static unsigned char 280 get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type) 281 { 282 return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START))) 283 ? 1 : 0; 284 } 285 286 static void 287 set_switch_state(struct ct_mixer *mixer, 288 enum CTALSA_MIXER_CTL type, unsigned char state) 289 { 290 if (state) 291 mixer->switch_state |= (0x1 << (type - SWH_MIXER_START)); 292 else 293 mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START)); 294 } 295 296 #if 0 /* not used */ 297 /* Map integer value ranging from 0 to 65535 to 14-bit float value ranging 298 * from 2^-6 to (1+1023/1024) */ 299 static unsigned int uint16_to_float14(unsigned int x) 300 { 301 unsigned int i; 302 303 if (x < 17) 304 return 0; 305 306 x *= 2031; 307 x /= 65535; 308 x += 16; 309 310 /* i <= 6 */ 311 for (i = 0; !(x & 0x400); i++) 312 x <<= 1; 313 314 x = (((7 - i) & 0x7) << 10) | (x & 0x3ff); 315 316 return x; 317 } 318 319 static unsigned int float14_to_uint16(unsigned int x) 320 { 321 unsigned int e; 322 323 if (!x) 324 return x; 325 326 e = (x >> 10) & 0x7; 327 x &= 0x3ff; 328 x += 1024; 329 x >>= (7 - e); 330 x -= 16; 331 x *= 65535; 332 x /= 2031; 333 334 return x; 335 } 336 #endif /* not used */ 337 338 #define VOL_SCALE 0x1c 339 #define VOL_MAX 0x100 340 341 static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1); 342 343 static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol, 344 struct snd_ctl_elem_info *uinfo) 345 { 346 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 347 uinfo->count = 2; 348 uinfo->value.integer.min = 0; 349 uinfo->value.integer.max = VOL_MAX; 350 351 return 0; 352 } 353 354 static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol, 355 struct snd_ctl_elem_value *ucontrol) 356 { 357 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 358 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 359 struct amixer *amixer; 360 int i, val; 361 362 for (i = 0; i < 2; i++) { 363 amixer = ((struct ct_mixer *)atc->mixer)-> 364 amixers[type*CHN_NUM+i]; 365 val = amixer->ops->get_scale(amixer) / VOL_SCALE; 366 if (val < 0) 367 val = 0; 368 else if (val > VOL_MAX) 369 val = VOL_MAX; 370 ucontrol->value.integer.value[i] = val; 371 } 372 373 return 0; 374 } 375 376 static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol, 377 struct snd_ctl_elem_value *ucontrol) 378 { 379 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 380 struct ct_mixer *mixer = atc->mixer; 381 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 382 struct amixer *amixer; 383 int i, j, val, oval, change = 0; 384 385 for (i = 0; i < 2; i++) { 386 val = ucontrol->value.integer.value[i]; 387 if (val < 0) 388 val = 0; 389 else if (val > VOL_MAX) 390 val = VOL_MAX; 391 val *= VOL_SCALE; 392 amixer = mixer->amixers[type*CHN_NUM+i]; 393 oval = amixer->ops->get_scale(amixer); 394 if (val != oval) { 395 amixer->ops->set_scale(amixer, val); 396 amixer->ops->commit_write(amixer); 397 change = 1; 398 /* Synchronize Master/PCM playback AMIXERs. */ 399 if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) { 400 for (j = 1; j < 4; j++) { 401 amixer = mixer-> 402 amixers[(type+j)*CHN_NUM+i]; 403 amixer->ops->set_scale(amixer, val); 404 amixer->ops->commit_write(amixer); 405 } 406 } 407 } 408 } 409 410 return change; 411 } 412 413 static struct snd_kcontrol_new vol_ctl = { 414 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 415 SNDRV_CTL_ELEM_ACCESS_TLV_READ, 416 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 417 .info = ct_alsa_mix_volume_info, 418 .get = ct_alsa_mix_volume_get, 419 .put = ct_alsa_mix_volume_put, 420 .tlv = { .p = ct_vol_db_scale }, 421 }; 422 423 static void 424 do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type) 425 { 426 427 if (MIXER_LINEIN_C_S == type) { 428 atc->select_line_in(atc); 429 set_switch_state(atc->mixer, MIXER_MIC_C_S, 0); 430 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 431 &kctls[1]->id); 432 } else if (MIXER_MIC_C_S == type) { 433 atc->select_mic_in(atc); 434 set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0); 435 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 436 &kctls[0]->id); 437 } 438 } 439 440 static void 441 do_digit_io_switch(struct ct_atc *atc, int state) 442 { 443 struct ct_mixer *mixer = atc->mixer; 444 445 if (state) { 446 atc->select_digit_io(atc); 447 atc->spdif_out_unmute(atc, 448 get_switch_state(mixer, MIXER_SPDIFO_P_S)); 449 atc->spdif_in_unmute(atc, 1); 450 atc->line_in_unmute(atc, 0); 451 return; 452 } 453 454 if (get_switch_state(mixer, MIXER_LINEIN_C_S)) 455 atc->select_line_in(atc); 456 else if (get_switch_state(mixer, MIXER_MIC_C_S)) 457 atc->select_mic_in(atc); 458 459 atc->spdif_out_unmute(atc, 0); 460 atc->spdif_in_unmute(atc, 0); 461 atc->line_in_unmute(atc, 1); 462 return; 463 } 464 465 static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state) 466 { 467 struct ct_mixer *mixer = atc->mixer; 468 469 /* Do changes in mixer. */ 470 if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) { 471 if (state) { 472 ct_mixer_recording_select(mixer, 473 get_amixer_index(type)); 474 } else { 475 ct_mixer_recording_unselect(mixer, 476 get_amixer_index(type)); 477 } 478 } 479 /* Do changes out of mixer. */ 480 if (state && (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) 481 do_line_mic_switch(atc, type); 482 else if (MIXER_WAVEF_P_S == type) 483 atc->line_front_unmute(atc, state); 484 else if (MIXER_WAVES_P_S == type) 485 atc->line_surround_unmute(atc, state); 486 else if (MIXER_WAVEC_P_S == type) 487 atc->line_clfe_unmute(atc, state); 488 else if (MIXER_WAVER_P_S == type) 489 atc->line_rear_unmute(atc, state); 490 else if (MIXER_LINEIN_P_S == type) 491 atc->line_in_unmute(atc, state); 492 else if (MIXER_SPDIFO_P_S == type) 493 atc->spdif_out_unmute(atc, state); 494 else if (MIXER_SPDIFI_P_S == type) 495 atc->spdif_in_unmute(atc, state); 496 else if (MIXER_DIGITAL_IO_S == type) 497 do_digit_io_switch(atc, state); 498 499 return; 500 } 501 502 static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol, 503 struct snd_ctl_elem_info *uinfo) 504 { 505 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 506 uinfo->count = 1; 507 uinfo->value.integer.min = 0; 508 uinfo->value.integer.max = 1; 509 uinfo->value.integer.step = 1; 510 511 return 0; 512 } 513 514 static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol, 515 struct snd_ctl_elem_value *ucontrol) 516 { 517 struct ct_mixer *mixer = 518 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer; 519 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 520 521 ucontrol->value.integer.value[0] = get_switch_state(mixer, type); 522 return 0; 523 } 524 525 static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol, 526 struct snd_ctl_elem_value *ucontrol) 527 { 528 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 529 struct ct_mixer *mixer = atc->mixer; 530 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 531 int state; 532 533 state = ucontrol->value.integer.value[0]; 534 if (get_switch_state(mixer, type) == state) 535 return 0; 536 537 set_switch_state(mixer, type, state); 538 do_switch(atc, type, state); 539 540 return 1; 541 } 542 543 static struct snd_kcontrol_new swh_ctl = { 544 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 545 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 546 .info = ct_alsa_mix_switch_info, 547 .get = ct_alsa_mix_switch_get, 548 .put = ct_alsa_mix_switch_put 549 }; 550 551 static int ct_spdif_info(struct snd_kcontrol *kcontrol, 552 struct snd_ctl_elem_info *uinfo) 553 { 554 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 555 uinfo->count = 1; 556 return 0; 557 } 558 559 static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol, 560 struct snd_ctl_elem_value *ucontrol) 561 { 562 ucontrol->value.iec958.status[0] = 0xff; 563 ucontrol->value.iec958.status[1] = 0xff; 564 ucontrol->value.iec958.status[2] = 0xff; 565 ucontrol->value.iec958.status[3] = 0xff; 566 return 0; 567 } 568 569 static int ct_spdif_default_get(struct snd_kcontrol *kcontrol, 570 struct snd_ctl_elem_value *ucontrol) 571 { 572 unsigned int status = SNDRV_PCM_DEFAULT_CON_SPDIF; 573 574 ucontrol->value.iec958.status[0] = (status >> 0) & 0xff; 575 ucontrol->value.iec958.status[1] = (status >> 8) & 0xff; 576 ucontrol->value.iec958.status[2] = (status >> 16) & 0xff; 577 ucontrol->value.iec958.status[3] = (status >> 24) & 0xff; 578 579 return 0; 580 } 581 582 static int ct_spdif_get(struct snd_kcontrol *kcontrol, 583 struct snd_ctl_elem_value *ucontrol) 584 { 585 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 586 unsigned int status; 587 588 atc->spdif_out_get_status(atc, &status); 589 ucontrol->value.iec958.status[0] = (status >> 0) & 0xff; 590 ucontrol->value.iec958.status[1] = (status >> 8) & 0xff; 591 ucontrol->value.iec958.status[2] = (status >> 16) & 0xff; 592 ucontrol->value.iec958.status[3] = (status >> 24) & 0xff; 593 594 return 0; 595 } 596 597 static int ct_spdif_put(struct snd_kcontrol *kcontrol, 598 struct snd_ctl_elem_value *ucontrol) 599 { 600 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 601 int change; 602 unsigned int status, old_status; 603 604 status = (ucontrol->value.iec958.status[0] << 0) | 605 (ucontrol->value.iec958.status[1] << 8) | 606 (ucontrol->value.iec958.status[2] << 16) | 607 (ucontrol->value.iec958.status[3] << 24); 608 609 atc->spdif_out_get_status(atc, &old_status); 610 change = (old_status != status); 611 if (change) 612 atc->spdif_out_set_status(atc, status); 613 614 return change; 615 } 616 617 static struct snd_kcontrol_new iec958_mask_ctl = { 618 .access = SNDRV_CTL_ELEM_ACCESS_READ, 619 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 620 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), 621 .count = 1, 622 .info = ct_spdif_info, 623 .get = ct_spdif_get_mask, 624 .private_value = MIXER_IEC958_MASK 625 }; 626 627 static struct snd_kcontrol_new iec958_default_ctl = { 628 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 629 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), 630 .count = 1, 631 .info = ct_spdif_info, 632 .get = ct_spdif_default_get, 633 .put = ct_spdif_put, 634 .private_value = MIXER_IEC958_DEFAULT 635 }; 636 637 static struct snd_kcontrol_new iec958_ctl = { 638 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 639 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 640 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM), 641 .count = 1, 642 .info = ct_spdif_info, 643 .get = ct_spdif_get, 644 .put = ct_spdif_put, 645 .private_value = MIXER_IEC958_STREAM 646 }; 647 648 #define NUM_IEC958_CTL 3 649 650 static int 651 ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new) 652 { 653 struct snd_kcontrol *kctl; 654 int err; 655 656 kctl = snd_ctl_new1(new, mixer->atc); 657 if (!kctl) 658 return -ENOMEM; 659 660 if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface) 661 kctl->id.device = IEC958; 662 663 err = snd_ctl_add(mixer->atc->card, kctl); 664 if (err) 665 return err; 666 667 switch (new->private_value) { 668 case MIXER_LINEIN_C_S: 669 kctls[0] = kctl; break; 670 case MIXER_MIC_C_S: 671 kctls[1] = kctl; break; 672 default: 673 break; 674 } 675 676 return 0; 677 } 678 679 static int ct_mixer_kcontrols_create(struct ct_mixer *mixer) 680 { 681 enum CTALSA_MIXER_CTL type; 682 struct ct_atc *atc = mixer->atc; 683 int err; 684 685 /* Create snd kcontrol instances on demand */ 686 for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) { 687 if (ct_kcontrol_init_table[type].ctl) { 688 vol_ctl.name = ct_kcontrol_init_table[type].name; 689 vol_ctl.private_value = (unsigned long)type; 690 err = ct_mixer_kcontrol_new(mixer, &vol_ctl); 691 if (err) 692 return err; 693 } 694 } 695 696 ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = 697 atc->have_digit_io_switch(atc); 698 for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) { 699 if (ct_kcontrol_init_table[type].ctl) { 700 swh_ctl.name = ct_kcontrol_init_table[type].name; 701 swh_ctl.private_value = (unsigned long)type; 702 err = ct_mixer_kcontrol_new(mixer, &swh_ctl); 703 if (err) 704 return err; 705 } 706 } 707 708 err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl); 709 if (err) 710 return err; 711 712 err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl); 713 if (err) 714 return err; 715 716 err = ct_mixer_kcontrol_new(mixer, &iec958_ctl); 717 if (err) 718 return err; 719 720 atc->line_front_unmute(atc, 1); 721 set_switch_state(mixer, MIXER_WAVEF_P_S, 1); 722 atc->line_surround_unmute(atc, 0); 723 set_switch_state(mixer, MIXER_WAVES_P_S, 0); 724 atc->line_clfe_unmute(atc, 0); 725 set_switch_state(mixer, MIXER_WAVEC_P_S, 0); 726 atc->line_rear_unmute(atc, 0); 727 set_switch_state(mixer, MIXER_WAVER_P_S, 0); 728 atc->spdif_out_unmute(atc, 0); 729 set_switch_state(mixer, MIXER_SPDIFO_P_S, 0); 730 atc->line_in_unmute(atc, 0); 731 set_switch_state(mixer, MIXER_LINEIN_P_S, 0); 732 atc->spdif_in_unmute(atc, 0); 733 set_switch_state(mixer, MIXER_SPDIFI_P_S, 0); 734 735 set_switch_state(mixer, MIXER_PCM_C_S, 1); 736 set_switch_state(mixer, MIXER_LINEIN_C_S, 1); 737 set_switch_state(mixer, MIXER_SPDIFI_C_S, 1); 738 739 return 0; 740 } 741 742 static void 743 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 744 { 745 struct amixer *amix_d; 746 struct sum *sum_c; 747 int i; 748 749 for (i = 0; i < 2; i++) { 750 amix_d = mixer->amixers[type*CHN_NUM+i]; 751 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i]; 752 amix_d->ops->set_sum(amix_d, sum_c); 753 amix_d->ops->commit_write(amix_d); 754 } 755 } 756 757 static void 758 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 759 { 760 struct amixer *amix_d; 761 int i; 762 763 for (i = 0; i < 2; i++) { 764 amix_d = mixer->amixers[type*CHN_NUM+i]; 765 amix_d->ops->set_sum(amix_d, NULL); 766 amix_d->ops->commit_write(amix_d); 767 } 768 } 769 770 static int ct_mixer_get_resources(struct ct_mixer *mixer) 771 { 772 struct sum_mgr *sum_mgr; 773 struct sum *sum; 774 struct sum_desc sum_desc = {0}; 775 struct amixer_mgr *amixer_mgr; 776 struct amixer *amixer; 777 struct amixer_desc am_desc = {0}; 778 int err; 779 int i; 780 781 /* Allocate sum resources for mixer obj */ 782 sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 783 sum_desc.msr = mixer->atc->msr; 784 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 785 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum); 786 if (err) { 787 printk(KERN_ERR "ctxfi:Failed to get sum resources for " 788 "front output!\n"); 789 break; 790 } 791 mixer->sums[i] = sum; 792 } 793 if (err) 794 goto error1; 795 796 /* Allocate amixer resources for mixer obj */ 797 amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 798 am_desc.msr = mixer->atc->msr; 799 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 800 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer); 801 if (err) { 802 printk(KERN_ERR "ctxfi:Failed to get amixer resources " 803 "for mixer obj!\n"); 804 break; 805 } 806 mixer->amixers[i] = amixer; 807 } 808 if (err) 809 goto error2; 810 811 return 0; 812 813 error2: 814 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 815 if (NULL != mixer->amixers[i]) { 816 amixer = mixer->amixers[i]; 817 amixer_mgr->put_amixer(amixer_mgr, amixer); 818 mixer->amixers[i] = NULL; 819 } 820 } 821 error1: 822 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 823 if (NULL != mixer->sums[i]) { 824 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 825 mixer->sums[i] = NULL; 826 } 827 } 828 829 return err; 830 } 831 832 static int ct_mixer_get_mem(struct ct_mixer **rmixer) 833 { 834 struct ct_mixer *mixer; 835 int err; 836 837 *rmixer = NULL; 838 /* Allocate mem for mixer obj */ 839 mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 840 if (!mixer) 841 return -ENOMEM; 842 843 mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM), 844 GFP_KERNEL); 845 if (!mixer->amixers) { 846 err = -ENOMEM; 847 goto error1; 848 } 849 mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL); 850 if (!mixer->sums) { 851 err = -ENOMEM; 852 goto error2; 853 } 854 855 *rmixer = mixer; 856 return 0; 857 858 error2: 859 kfree(mixer->amixers); 860 error1: 861 kfree(mixer); 862 return err; 863 } 864 865 static int ct_mixer_topology_build(struct ct_mixer *mixer) 866 { 867 struct sum *sum; 868 struct amixer *amix_d, *amix_s; 869 enum CT_AMIXER_CTL i, j; 870 871 /* Build topology from destination to source */ 872 873 /* Set up Master mixer */ 874 for (i = AMIXER_MASTER_F, j = SUM_IN_F; 875 i <= AMIXER_MASTER_S; i++, j++) { 876 amix_d = mixer->amixers[i*CHN_NUM]; 877 sum = mixer->sums[j*CHN_NUM]; 878 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 879 amix_d = mixer->amixers[i*CHN_NUM+1]; 880 sum = mixer->sums[j*CHN_NUM+1]; 881 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 882 } 883 884 /* Set up Wave-out mixer */ 885 for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F; 886 i <= AMIXER_WAVE_S; i++, j++) { 887 amix_d = mixer->amixers[i*CHN_NUM]; 888 amix_s = mixer->amixers[j*CHN_NUM]; 889 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 890 amix_d = mixer->amixers[i*CHN_NUM+1]; 891 amix_s = mixer->amixers[j*CHN_NUM+1]; 892 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 893 } 894 895 /* Set up S/PDIF-out mixer */ 896 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM]; 897 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM]; 898 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 899 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1]; 900 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1]; 901 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 902 903 /* Set up PCM-in mixer */ 904 for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) { 905 amix_d = mixer->amixers[i*CHN_NUM]; 906 sum = mixer->sums[j*CHN_NUM]; 907 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 908 amix_d = mixer->amixers[i*CHN_NUM+1]; 909 sum = mixer->sums[j*CHN_NUM+1]; 910 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 911 } 912 913 /* Set up Line-in mixer */ 914 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM]; 915 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 916 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 917 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1]; 918 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 919 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 920 921 /* Set up Mic-in mixer */ 922 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM]; 923 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 924 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 925 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1]; 926 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 927 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 928 929 /* Set up S/PDIF-in mixer */ 930 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM]; 931 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 932 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 933 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1]; 934 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 935 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 936 937 /* Set up Master recording mixer */ 938 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM]; 939 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 940 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 941 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1]; 942 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 943 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 944 945 /* Set up PCM-in recording mixer */ 946 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM]; 947 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 948 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 949 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1]; 950 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 951 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 952 953 /* Set up Line-in recording mixer */ 954 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM]; 955 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 956 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 957 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1]; 958 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 959 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 960 961 /* Set up Mic-in recording mixer */ 962 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM]; 963 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 964 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 965 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1]; 966 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 967 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 968 969 /* Set up S/PDIF-in recording mixer */ 970 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM]; 971 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 972 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 973 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1]; 974 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 975 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 976 977 return 0; 978 } 979 980 static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc) 981 { 982 amixer->ops->set_input(amixer, rsc); 983 amixer->ops->commit_write(amixer); 984 985 return 0; 986 } 987 988 static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type) 989 { 990 switch (type) { 991 case MIX_WAVE_FRONT: return AMIXER_WAVE_F; 992 case MIX_WAVE_SURROUND: return AMIXER_WAVE_S; 993 case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C; 994 case MIX_WAVE_REAR: return AMIXER_WAVE_R; 995 case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C; 996 case MIX_SPDIF_OUT: return AMIXER_SPDIFO; 997 case MIX_LINE_IN: return AMIXER_LINEIN; 998 case MIX_MIC_IN: return AMIXER_MIC; 999 case MIX_SPDIF_IN: return AMIXER_SPDIFI; 1000 case MIX_PCMI_FRONT: return AMIXER_PCM_F; 1001 case MIX_PCMI_SURROUND: return AMIXER_PCM_S; 1002 case MIX_PCMI_CENTLFE: return AMIXER_PCM_C; 1003 case MIX_PCMI_REAR: return AMIXER_PCM_R; 1004 default: return 0; 1005 } 1006 } 1007 1008 static int mixer_get_output_ports(struct ct_mixer *mixer, 1009 enum MIXER_PORT_T type, 1010 struct rsc **rleft, struct rsc **rright) 1011 { 1012 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1013 1014 if (NULL != rleft) 1015 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc; 1016 1017 if (NULL != rright) 1018 *rright = 1019 &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc; 1020 1021 return 0; 1022 } 1023 1024 static int mixer_set_input_left(struct ct_mixer *mixer, 1025 enum MIXER_PORT_T type, struct rsc *rsc) 1026 { 1027 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1028 1029 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1030 amix = get_recording_amixer(amix); 1031 if (amix < NUM_CT_AMIXERS) 1032 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1033 1034 return 0; 1035 } 1036 1037 static int 1038 mixer_set_input_right(struct ct_mixer *mixer, 1039 enum MIXER_PORT_T type, struct rsc *rsc) 1040 { 1041 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1042 1043 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1044 amix = get_recording_amixer(amix); 1045 if (amix < NUM_CT_AMIXERS) 1046 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1047 1048 return 0; 1049 } 1050 1051 #ifdef CONFIG_PM 1052 static int mixer_resume(struct ct_mixer *mixer) 1053 { 1054 int i, state; 1055 struct amixer *amixer; 1056 1057 /* resume topology and volume gain. */ 1058 for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) { 1059 amixer = mixer->amixers[i]; 1060 amixer->ops->commit_write(amixer); 1061 } 1062 1063 /* resume switch state. */ 1064 for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) { 1065 state = get_switch_state(mixer, i); 1066 do_switch(mixer->atc, i, state); 1067 } 1068 1069 return 0; 1070 } 1071 #endif 1072 1073 int ct_mixer_destroy(struct ct_mixer *mixer) 1074 { 1075 struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 1076 struct amixer_mgr *amixer_mgr = 1077 (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 1078 struct amixer *amixer; 1079 int i = 0; 1080 1081 /* Release amixer resources */ 1082 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 1083 if (NULL != mixer->amixers[i]) { 1084 amixer = mixer->amixers[i]; 1085 amixer_mgr->put_amixer(amixer_mgr, amixer); 1086 } 1087 } 1088 1089 /* Release sum resources */ 1090 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 1091 if (NULL != mixer->sums[i]) 1092 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 1093 } 1094 1095 /* Release mem assigned to mixer object */ 1096 kfree(mixer->sums); 1097 kfree(mixer->amixers); 1098 kfree(mixer); 1099 1100 return 0; 1101 } 1102 1103 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer) 1104 { 1105 struct ct_mixer *mixer; 1106 int err; 1107 1108 *rmixer = NULL; 1109 1110 /* Allocate mem for mixer obj */ 1111 err = ct_mixer_get_mem(&mixer); 1112 if (err) 1113 return err; 1114 1115 mixer->switch_state = 0; 1116 mixer->atc = atc; 1117 /* Set operations */ 1118 mixer->get_output_ports = mixer_get_output_ports; 1119 mixer->set_input_left = mixer_set_input_left; 1120 mixer->set_input_right = mixer_set_input_right; 1121 #ifdef CONFIG_PM 1122 mixer->resume = mixer_resume; 1123 #endif 1124 1125 /* Allocate chip resources for mixer obj */ 1126 err = ct_mixer_get_resources(mixer); 1127 if (err) 1128 goto error; 1129 1130 /* Build internal mixer topology */ 1131 ct_mixer_topology_build(mixer); 1132 1133 *rmixer = mixer; 1134 1135 return 0; 1136 1137 error: 1138 ct_mixer_destroy(mixer); 1139 return err; 1140 } 1141 1142 int ct_alsa_mix_create(struct ct_atc *atc, 1143 enum CTALSADEVS device, 1144 const char *device_name) 1145 { 1146 int err; 1147 1148 /* Create snd kcontrol instances on demand */ 1149 /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */ 1150 err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer); 1151 if (err) 1152 return err; 1153 1154 strcpy(atc->card->mixername, device_name); 1155 1156 return 0; 1157 } 1158