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 28enum 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 38enum 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 66enum 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_SPDIFO_P_S, 90 MIXER_WAVEF_P_S, 91 MIXER_WAVER_P_S, 92 MIXER_WAVEC_P_S, 93 MIXER_WAVES_P_S, 94 MIXER_DIGITAL_IO_S, 95 MIXER_IEC958_MASK, 96 MIXER_IEC958_DEFAULT, 97 MIXER_IEC958_STREAM, 98 99 /* this should always be the last one */ 100 NUM_CTALSA_MIXERS 101}; 102 103#define VOL_MIXER_START MIXER_MASTER_P 104#define VOL_MIXER_END MIXER_SPDIFI_C 105#define VOL_MIXER_NUM (VOL_MIXER_END - VOL_MIXER_START + 1) 106#define SWH_MIXER_START MIXER_PCM_C_S 107#define SWH_MIXER_END MIXER_DIGITAL_IO_S 108#define SWH_CAPTURE_START MIXER_PCM_C_S 109#define SWH_CAPTURE_END MIXER_SPDIFI_C_S 110 111#define CHN_NUM 2 112 113struct ct_kcontrol_init { 114 unsigned char ctl; 115 char *name; 116}; 117 118static struct ct_kcontrol_init 119ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = { 120 [MIXER_MASTER_P] = { 121 .ctl = 1, 122 .name = "Master Playback Volume", 123 }, 124 [MIXER_MASTER_C] = { 125 .ctl = 1, 126 .name = "Master Capture Volume", 127 }, 128 [MIXER_PCM_P] = { 129 .ctl = 1, 130 .name = "PCM Playback Volume", 131 }, 132 [MIXER_PCM_C] = { 133 .ctl = 1, 134 .name = "PCM Capture Volume", 135 }, 136 [MIXER_LINEIN_P] = { 137 .ctl = 1, 138 .name = "Line Playback Volume", 139 }, 140 [MIXER_LINEIN_C] = { 141 .ctl = 1, 142 .name = "Line Capture Volume", 143 }, 144 [MIXER_MIC_P] = { 145 .ctl = 1, 146 .name = "Mic Playback Volume", 147 }, 148 [MIXER_MIC_C] = { 149 .ctl = 1, 150 .name = "Mic Capture Volume", 151 }, 152 [MIXER_SPDIFI_P] = { 153 .ctl = 1, 154 .name = "IEC958 Playback Volume", 155 }, 156 [MIXER_SPDIFI_C] = { 157 .ctl = 1, 158 .name = "IEC958 Capture Volume", 159 }, 160 [MIXER_SPDIFO_P] = { 161 .ctl = 1, 162 .name = "Digital Playback Volume", 163 }, 164 [MIXER_WAVEF_P] = { 165 .ctl = 1, 166 .name = "Front Playback Volume", 167 }, 168 [MIXER_WAVES_P] = { 169 .ctl = 1, 170 .name = "Side Playback Volume", 171 }, 172 [MIXER_WAVEC_P] = { 173 .ctl = 1, 174 .name = "Center/LFE Playback Volume", 175 }, 176 [MIXER_WAVER_P] = { 177 .ctl = 1, 178 .name = "Surround Playback Volume", 179 }, 180 [MIXER_PCM_C_S] = { 181 .ctl = 1, 182 .name = "PCM Capture Switch", 183 }, 184 [MIXER_LINEIN_C_S] = { 185 .ctl = 1, 186 .name = "Line Capture Switch", 187 }, 188 [MIXER_MIC_C_S] = { 189 .ctl = 1, 190 .name = "Mic Capture Switch", 191 }, 192 [MIXER_SPDIFI_C_S] = { 193 .ctl = 1, 194 .name = "IEC958 Capture Switch", 195 }, 196 [MIXER_SPDIFO_P_S] = { 197 .ctl = 1, 198 .name = "Digital Playback Switch", 199 }, 200 [MIXER_WAVEF_P_S] = { 201 .ctl = 1, 202 .name = "Front Playback Switch", 203 }, 204 [MIXER_WAVES_P_S] = { 205 .ctl = 1, 206 .name = "Side Playback Switch", 207 }, 208 [MIXER_WAVEC_P_S] = { 209 .ctl = 1, 210 .name = "Center/LFE Playback Switch", 211 }, 212 [MIXER_WAVER_P_S] = { 213 .ctl = 1, 214 .name = "Surround Playback Switch", 215 }, 216 [MIXER_DIGITAL_IO_S] = { 217 .ctl = 0, 218 .name = "Digit-IO Playback Switch", 219 }, 220}; 221 222static void 223ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type); 224 225static void 226ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type); 227 228/* FIXME: this static looks like it would fail if more than one card was */ 229/* installed. */ 230static struct snd_kcontrol *kctls[2] = {NULL}; 231 232static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index) 233{ 234 switch (alsa_index) { 235 case MIXER_MASTER_P: return AMIXER_MASTER_F; 236 case MIXER_MASTER_C: return AMIXER_MASTER_F_C; 237 case MIXER_PCM_P: return AMIXER_PCM_F; 238 case MIXER_PCM_C: 239 case MIXER_PCM_C_S: return AMIXER_PCM_F_C; 240 case MIXER_LINEIN_P: return AMIXER_LINEIN; 241 case MIXER_LINEIN_C: 242 case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C; 243 case MIXER_MIC_P: return AMIXER_MIC; 244 case MIXER_MIC_C: 245 case MIXER_MIC_C_S: return AMIXER_MIC_C; 246 case MIXER_SPDIFI_P: return AMIXER_SPDIFI; 247 case MIXER_SPDIFI_C: 248 case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C; 249 case MIXER_SPDIFO_P: return AMIXER_SPDIFO; 250 case MIXER_WAVEF_P: return AMIXER_WAVE_F; 251 case MIXER_WAVES_P: return AMIXER_WAVE_S; 252 case MIXER_WAVEC_P: return AMIXER_WAVE_C; 253 case MIXER_WAVER_P: return AMIXER_WAVE_R; 254 default: return NUM_CT_AMIXERS; 255 } 256} 257 258static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index) 259{ 260 switch (index) { 261 case AMIXER_MASTER_F: return AMIXER_MASTER_F_C; 262 case AMIXER_PCM_F: return AMIXER_PCM_F_C; 263 case AMIXER_SPDIFI: return AMIXER_SPDIFI_C; 264 case AMIXER_LINEIN: return AMIXER_LINEIN_C; 265 case AMIXER_MIC: return AMIXER_MIC_C; 266 default: return NUM_CT_AMIXERS; 267 } 268} 269 270static unsigned char 271get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type) 272{ 273 return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START))) 274 ? 1 : 0; 275} 276 277static void 278set_switch_state(struct ct_mixer *mixer, 279 enum CTALSA_MIXER_CTL type, unsigned char state) 280{ 281 if (state) 282 mixer->switch_state |= (0x1 << (type - SWH_MIXER_START)); 283 else 284 mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START)); 285} 286 287#if 0 /* not used */ 288/* Map integer value ranging from 0 to 65535 to 14-bit float value ranging 289 * from 2^-6 to (1+1023/1024) */ 290static unsigned int uint16_to_float14(unsigned int x) 291{ 292 unsigned int i; 293 294 if (x < 17) 295 return 0; 296 297 x *= 2031; 298 x /= 65535; 299 x += 16; 300 301 /* i <= 6 */ 302 for (i = 0; !(x & 0x400); i++) 303 x <<= 1; 304 305 x = (((7 - i) & 0x7) << 10) | (x & 0x3ff); 306 307 return x; 308} 309 310static unsigned int float14_to_uint16(unsigned int x) 311{ 312 unsigned int e; 313 314 if (!x) 315 return x; 316 317 e = (x >> 10) & 0x7; 318 x &= 0x3ff; 319 x += 1024; 320 x >>= (7 - e); 321 x -= 16; 322 x *= 65535; 323 x /= 2031; 324 325 return x; 326} 327#endif /* not used */ 328 329#define VOL_SCALE 0x1c 330#define VOL_MAX 0x100 331 332static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1); 333 334static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol, 335 struct snd_ctl_elem_info *uinfo) 336{ 337 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 338 uinfo->count = 2; 339 uinfo->value.integer.min = 0; 340 uinfo->value.integer.max = VOL_MAX; 341 342 return 0; 343} 344 345static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol, 346 struct snd_ctl_elem_value *ucontrol) 347{ 348 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 349 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 350 struct amixer *amixer; 351 int i, val; 352 353 for (i = 0; i < 2; i++) { 354 amixer = ((struct ct_mixer *)atc->mixer)-> 355 amixers[type*CHN_NUM+i]; 356 val = amixer->ops->get_scale(amixer) / VOL_SCALE; 357 if (val < 0) 358 val = 0; 359 else if (val > VOL_MAX) 360 val = VOL_MAX; 361 ucontrol->value.integer.value[i] = val; 362 } 363 364 return 0; 365} 366 367static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol, 368 struct snd_ctl_elem_value *ucontrol) 369{ 370 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 371 struct ct_mixer *mixer = atc->mixer; 372 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 373 struct amixer *amixer; 374 int i, j, val, oval, change = 0; 375 376 for (i = 0; i < 2; i++) { 377 val = ucontrol->value.integer.value[i]; 378 if (val < 0) 379 val = 0; 380 else if (val > VOL_MAX) 381 val = VOL_MAX; 382 val *= VOL_SCALE; 383 amixer = mixer->amixers[type*CHN_NUM+i]; 384 oval = amixer->ops->get_scale(amixer); 385 if (val != oval) { 386 amixer->ops->set_scale(amixer, val); 387 amixer->ops->commit_write(amixer); 388 change = 1; 389 /* Synchronize Master/PCM playback AMIXERs. */ 390 if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) { 391 for (j = 1; j < 4; j++) { 392 amixer = mixer-> 393 amixers[(type+j)*CHN_NUM+i]; 394 amixer->ops->set_scale(amixer, val); 395 amixer->ops->commit_write(amixer); 396 } 397 } 398 } 399 } 400 401 return change; 402} 403 404static struct snd_kcontrol_new vol_ctl = { 405 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 406 SNDRV_CTL_ELEM_ACCESS_TLV_READ, 407 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 408 .info = ct_alsa_mix_volume_info, 409 .get = ct_alsa_mix_volume_get, 410 .put = ct_alsa_mix_volume_put, 411 .tlv = { .p = ct_vol_db_scale }, 412}; 413 414static int output_switch_info(struct snd_kcontrol *kcontrol, 415 struct snd_ctl_elem_info *info) 416{ 417 static const char *const names[3] = { 418 "FP Headphones", "Headphones", "Speakers" 419 }; 420 421 return snd_ctl_enum_info(info, 1, 3, names); 422} 423 424static int output_switch_get(struct snd_kcontrol *kcontrol, 425 struct snd_ctl_elem_value *ucontrol) 426{ 427 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 428 ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc); 429 return 0; 430} 431 432static int output_switch_put(struct snd_kcontrol *kcontrol, 433 struct snd_ctl_elem_value *ucontrol) 434{ 435 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 436 if (ucontrol->value.enumerated.item[0] > 2) 437 return -EINVAL; 438 return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]); 439} 440 441static struct snd_kcontrol_new output_ctl = { 442 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 443 .name = "Analog Output Playback Enum", 444 .info = output_switch_info, 445 .get = output_switch_get, 446 .put = output_switch_put, 447}; 448 449static int mic_source_switch_info(struct snd_kcontrol *kcontrol, 450 struct snd_ctl_elem_info *info) 451{ 452 static const char *const names[3] = { 453 "Mic", "FP Mic", "Aux" 454 }; 455 456 return snd_ctl_enum_info(info, 1, 3, names); 457} 458 459static int mic_source_switch_get(struct snd_kcontrol *kcontrol, 460 struct snd_ctl_elem_value *ucontrol) 461{ 462 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 463 ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc); 464 return 0; 465} 466 467static int mic_source_switch_put(struct snd_kcontrol *kcontrol, 468 struct snd_ctl_elem_value *ucontrol) 469{ 470 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 471 if (ucontrol->value.enumerated.item[0] > 2) 472 return -EINVAL; 473 return atc->mic_source_switch_put(atc, 474 ucontrol->value.enumerated.item[0]); 475} 476 477static struct snd_kcontrol_new mic_source_ctl = { 478 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 479 .name = "Mic Source Capture Enum", 480 .info = mic_source_switch_info, 481 .get = mic_source_switch_get, 482 .put = mic_source_switch_put, 483}; 484 485static void 486do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type) 487{ 488 489 if (MIXER_LINEIN_C_S == type) { 490 atc->select_line_in(atc); 491 set_switch_state(atc->mixer, MIXER_MIC_C_S, 0); 492 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 493 &kctls[1]->id); 494 } else if (MIXER_MIC_C_S == type) { 495 atc->select_mic_in(atc); 496 set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0); 497 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 498 &kctls[0]->id); 499 } 500} 501 502static void 503do_digit_io_switch(struct ct_atc *atc, int state) 504{ 505 struct ct_mixer *mixer = atc->mixer; 506 507 if (state) { 508 atc->select_digit_io(atc); 509 atc->spdif_out_unmute(atc, 510 get_switch_state(mixer, MIXER_SPDIFO_P_S)); 511 atc->spdif_in_unmute(atc, 1); 512 atc->line_in_unmute(atc, 0); 513 return; 514 } 515 516 if (get_switch_state(mixer, MIXER_LINEIN_C_S)) 517 atc->select_line_in(atc); 518 else if (get_switch_state(mixer, MIXER_MIC_C_S)) 519 atc->select_mic_in(atc); 520 521 atc->spdif_out_unmute(atc, 0); 522 atc->spdif_in_unmute(atc, 0); 523 atc->line_in_unmute(atc, 1); 524 return; 525} 526 527static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state) 528{ 529 struct ct_mixer *mixer = atc->mixer; 530 struct capabilities cap = atc->capabilities(atc); 531 532 /* Do changes in mixer. */ 533 if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) { 534 if (state) { 535 ct_mixer_recording_select(mixer, 536 get_amixer_index(type)); 537 } else { 538 ct_mixer_recording_unselect(mixer, 539 get_amixer_index(type)); 540 } 541 } 542 /* Do changes out of mixer. */ 543 if (!cap.dedicated_mic && 544 (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) { 545 if (state) 546 do_line_mic_switch(atc, type); 547 atc->line_in_unmute(atc, state); 548 } else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type)) 549 atc->line_in_unmute(atc, state); 550 else if (cap.dedicated_mic && (MIXER_MIC_C_S == type)) 551 atc->mic_unmute(atc, state); 552 else if (MIXER_SPDIFI_C_S == type) 553 atc->spdif_in_unmute(atc, state); 554 else if (MIXER_WAVEF_P_S == type) 555 atc->line_front_unmute(atc, state); 556 else if (MIXER_WAVES_P_S == type) 557 atc->line_surround_unmute(atc, state); 558 else if (MIXER_WAVEC_P_S == type) 559 atc->line_clfe_unmute(atc, state); 560 else if (MIXER_WAVER_P_S == type) 561 atc->line_rear_unmute(atc, state); 562 else if (MIXER_SPDIFO_P_S == type) 563 atc->spdif_out_unmute(atc, state); 564 else if (MIXER_DIGITAL_IO_S == type) 565 do_digit_io_switch(atc, state); 566 567 return; 568} 569 570static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol, 571 struct snd_ctl_elem_info *uinfo) 572{ 573 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 574 uinfo->count = 1; 575 uinfo->value.integer.min = 0; 576 uinfo->value.integer.max = 1; 577 uinfo->value.integer.step = 1; 578 579 return 0; 580} 581 582static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol, 583 struct snd_ctl_elem_value *ucontrol) 584{ 585 struct ct_mixer *mixer = 586 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer; 587 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 588 589 ucontrol->value.integer.value[0] = get_switch_state(mixer, type); 590 return 0; 591} 592 593static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol, 594 struct snd_ctl_elem_value *ucontrol) 595{ 596 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 597 struct ct_mixer *mixer = atc->mixer; 598 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 599 int state; 600 601 state = ucontrol->value.integer.value[0]; 602 if (get_switch_state(mixer, type) == state) 603 return 0; 604 605 set_switch_state(mixer, type, state); 606 do_switch(atc, type, state); 607 608 return 1; 609} 610 611static struct snd_kcontrol_new swh_ctl = { 612 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 613 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 614 .info = ct_alsa_mix_switch_info, 615 .get = ct_alsa_mix_switch_get, 616 .put = ct_alsa_mix_switch_put 617}; 618 619static int ct_spdif_info(struct snd_kcontrol *kcontrol, 620 struct snd_ctl_elem_info *uinfo) 621{ 622 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 623 uinfo->count = 1; 624 return 0; 625} 626 627static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol, 628 struct snd_ctl_elem_value *ucontrol) 629{ 630 ucontrol->value.iec958.status[0] = 0xff; 631 ucontrol->value.iec958.status[1] = 0xff; 632 ucontrol->value.iec958.status[2] = 0xff; 633 ucontrol->value.iec958.status[3] = 0xff; 634 return 0; 635} 636 637static int ct_spdif_get(struct snd_kcontrol *kcontrol, 638 struct snd_ctl_elem_value *ucontrol) 639{ 640 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 641 unsigned int status; 642 643 atc->spdif_out_get_status(atc, &status); 644 645 if (status == 0) 646 status = SNDRV_PCM_DEFAULT_CON_SPDIF; 647 648 ucontrol->value.iec958.status[0] = (status >> 0) & 0xff; 649 ucontrol->value.iec958.status[1] = (status >> 8) & 0xff; 650 ucontrol->value.iec958.status[2] = (status >> 16) & 0xff; 651 ucontrol->value.iec958.status[3] = (status >> 24) & 0xff; 652 653 return 0; 654} 655 656static int ct_spdif_put(struct snd_kcontrol *kcontrol, 657 struct snd_ctl_elem_value *ucontrol) 658{ 659 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 660 int change; 661 unsigned int status, old_status; 662 663 status = (ucontrol->value.iec958.status[0] << 0) | 664 (ucontrol->value.iec958.status[1] << 8) | 665 (ucontrol->value.iec958.status[2] << 16) | 666 (ucontrol->value.iec958.status[3] << 24); 667 668 atc->spdif_out_get_status(atc, &old_status); 669 change = (old_status != status); 670 if (change) 671 atc->spdif_out_set_status(atc, status); 672 673 return change; 674} 675 676static struct snd_kcontrol_new iec958_mask_ctl = { 677 .access = SNDRV_CTL_ELEM_ACCESS_READ, 678 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 679 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), 680 .count = 1, 681 .info = ct_spdif_info, 682 .get = ct_spdif_get_mask, 683 .private_value = MIXER_IEC958_MASK 684}; 685 686static struct snd_kcontrol_new iec958_default_ctl = { 687 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 688 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), 689 .count = 1, 690 .info = ct_spdif_info, 691 .get = ct_spdif_get, 692 .put = ct_spdif_put, 693 .private_value = MIXER_IEC958_DEFAULT 694}; 695 696static struct snd_kcontrol_new iec958_ctl = { 697 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 698 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 699 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM), 700 .count = 1, 701 .info = ct_spdif_info, 702 .get = ct_spdif_get, 703 .put = ct_spdif_put, 704 .private_value = MIXER_IEC958_STREAM 705}; 706 707#define NUM_IEC958_CTL 3 708 709static int 710ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new) 711{ 712 struct snd_kcontrol *kctl; 713 int err; 714 715 kctl = snd_ctl_new1(new, mixer->atc); 716 if (!kctl) 717 return -ENOMEM; 718 719 if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface) 720 kctl->id.device = IEC958; 721 722 err = snd_ctl_add(mixer->atc->card, kctl); 723 if (err) 724 return err; 725 726 switch (new->private_value) { 727 case MIXER_LINEIN_C_S: 728 kctls[0] = kctl; break; 729 case MIXER_MIC_C_S: 730 kctls[1] = kctl; break; 731 default: 732 break; 733 } 734 735 return 0; 736} 737 738static int ct_mixer_kcontrols_create(struct ct_mixer *mixer) 739{ 740 enum CTALSA_MIXER_CTL type; 741 struct ct_atc *atc = mixer->atc; 742 struct capabilities cap = atc->capabilities(atc); 743 int err; 744 745 /* Create snd kcontrol instances on demand */ 746 for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) { 747 if (ct_kcontrol_init_table[type].ctl) { 748 vol_ctl.name = ct_kcontrol_init_table[type].name; 749 vol_ctl.private_value = (unsigned long)type; 750 err = ct_mixer_kcontrol_new(mixer, &vol_ctl); 751 if (err) 752 return err; 753 } 754 } 755 756 ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch; 757 758 for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) { 759 if (ct_kcontrol_init_table[type].ctl) { 760 swh_ctl.name = ct_kcontrol_init_table[type].name; 761 swh_ctl.private_value = (unsigned long)type; 762 err = ct_mixer_kcontrol_new(mixer, &swh_ctl); 763 if (err) 764 return err; 765 } 766 } 767 768 err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl); 769 if (err) 770 return err; 771 772 err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl); 773 if (err) 774 return err; 775 776 err = ct_mixer_kcontrol_new(mixer, &iec958_ctl); 777 if (err) 778 return err; 779 780 if (cap.output_switch) { 781 err = ct_mixer_kcontrol_new(mixer, &output_ctl); 782 if (err) 783 return err; 784 } 785 786 if (cap.mic_source_switch) { 787 err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl); 788 if (err) 789 return err; 790 } 791 atc->line_front_unmute(atc, 1); 792 set_switch_state(mixer, MIXER_WAVEF_P_S, 1); 793 atc->line_surround_unmute(atc, 0); 794 set_switch_state(mixer, MIXER_WAVES_P_S, 0); 795 atc->line_clfe_unmute(atc, 0); 796 set_switch_state(mixer, MIXER_WAVEC_P_S, 0); 797 atc->line_rear_unmute(atc, 0); 798 set_switch_state(mixer, MIXER_WAVER_P_S, 0); 799 atc->spdif_out_unmute(atc, 0); 800 set_switch_state(mixer, MIXER_SPDIFO_P_S, 0); 801 atc->line_in_unmute(atc, 0); 802 if (cap.dedicated_mic) 803 atc->mic_unmute(atc, 0); 804 atc->spdif_in_unmute(atc, 0); 805 set_switch_state(mixer, MIXER_PCM_C_S, 0); 806 set_switch_state(mixer, MIXER_LINEIN_C_S, 0); 807 set_switch_state(mixer, MIXER_SPDIFI_C_S, 0); 808 809 return 0; 810} 811 812static void 813ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 814{ 815 struct amixer *amix_d; 816 struct sum *sum_c; 817 int i; 818 819 for (i = 0; i < 2; i++) { 820 amix_d = mixer->amixers[type*CHN_NUM+i]; 821 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i]; 822 amix_d->ops->set_sum(amix_d, sum_c); 823 amix_d->ops->commit_write(amix_d); 824 } 825} 826 827static void 828ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 829{ 830 struct amixer *amix_d; 831 int i; 832 833 for (i = 0; i < 2; i++) { 834 amix_d = mixer->amixers[type*CHN_NUM+i]; 835 amix_d->ops->set_sum(amix_d, NULL); 836 amix_d->ops->commit_write(amix_d); 837 } 838} 839 840static int ct_mixer_get_resources(struct ct_mixer *mixer) 841{ 842 struct sum_mgr *sum_mgr; 843 struct sum *sum; 844 struct sum_desc sum_desc = {0}; 845 struct amixer_mgr *amixer_mgr; 846 struct amixer *amixer; 847 struct amixer_desc am_desc = {0}; 848 int err; 849 int i; 850 851 /* Allocate sum resources for mixer obj */ 852 sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 853 sum_desc.msr = mixer->atc->msr; 854 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 855 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum); 856 if (err) { 857 dev_err(mixer->atc->card->dev, 858 "Failed to get sum resources for front output!\n"); 859 break; 860 } 861 mixer->sums[i] = sum; 862 } 863 if (err) 864 goto error1; 865 866 /* Allocate amixer resources for mixer obj */ 867 amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 868 am_desc.msr = mixer->atc->msr; 869 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 870 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer); 871 if (err) { 872 dev_err(mixer->atc->card->dev, 873 "Failed to get amixer resources for mixer obj!\n"); 874 break; 875 } 876 mixer->amixers[i] = amixer; 877 } 878 if (err) 879 goto error2; 880 881 return 0; 882 883error2: 884 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 885 if (NULL != mixer->amixers[i]) { 886 amixer = mixer->amixers[i]; 887 amixer_mgr->put_amixer(amixer_mgr, amixer); 888 mixer->amixers[i] = NULL; 889 } 890 } 891error1: 892 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 893 if (NULL != mixer->sums[i]) { 894 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 895 mixer->sums[i] = NULL; 896 } 897 } 898 899 return err; 900} 901 902static int ct_mixer_get_mem(struct ct_mixer **rmixer) 903{ 904 struct ct_mixer *mixer; 905 int err; 906 907 *rmixer = NULL; 908 /* Allocate mem for mixer obj */ 909 mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 910 if (!mixer) 911 return -ENOMEM; 912 913 mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM), 914 GFP_KERNEL); 915 if (!mixer->amixers) { 916 err = -ENOMEM; 917 goto error1; 918 } 919 mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL); 920 if (!mixer->sums) { 921 err = -ENOMEM; 922 goto error2; 923 } 924 925 *rmixer = mixer; 926 return 0; 927 928error2: 929 kfree(mixer->amixers); 930error1: 931 kfree(mixer); 932 return err; 933} 934 935static int ct_mixer_topology_build(struct ct_mixer *mixer) 936{ 937 struct sum *sum; 938 struct amixer *amix_d, *amix_s; 939 enum CT_AMIXER_CTL i, j; 940 941 /* Build topology from destination to source */ 942 943 /* Set up Master mixer */ 944 for (i = AMIXER_MASTER_F, j = SUM_IN_F; 945 i <= AMIXER_MASTER_S; i++, j++) { 946 amix_d = mixer->amixers[i*CHN_NUM]; 947 sum = mixer->sums[j*CHN_NUM]; 948 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 949 amix_d = mixer->amixers[i*CHN_NUM+1]; 950 sum = mixer->sums[j*CHN_NUM+1]; 951 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 952 } 953 954 /* Set up Wave-out mixer */ 955 for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F; 956 i <= AMIXER_WAVE_S; i++, j++) { 957 amix_d = mixer->amixers[i*CHN_NUM]; 958 amix_s = mixer->amixers[j*CHN_NUM]; 959 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 960 amix_d = mixer->amixers[i*CHN_NUM+1]; 961 amix_s = mixer->amixers[j*CHN_NUM+1]; 962 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 963 } 964 965 /* Set up S/PDIF-out mixer */ 966 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM]; 967 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM]; 968 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 969 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1]; 970 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1]; 971 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 972 973 /* Set up PCM-in mixer */ 974 for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) { 975 amix_d = mixer->amixers[i*CHN_NUM]; 976 sum = mixer->sums[j*CHN_NUM]; 977 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 978 amix_d = mixer->amixers[i*CHN_NUM+1]; 979 sum = mixer->sums[j*CHN_NUM+1]; 980 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 981 } 982 983 /* Set up Line-in mixer */ 984 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM]; 985 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 986 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 987 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1]; 988 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 989 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 990 991 /* Set up Mic-in mixer */ 992 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM]; 993 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 994 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 995 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1]; 996 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 997 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 998 999 /* Set up S/PDIF-in mixer */ 1000 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM]; 1001 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1002 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1003 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1]; 1004 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1005 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1006 1007 /* Set up Master recording mixer */ 1008 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM]; 1009 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1010 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1011 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1]; 1012 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1013 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1014 1015 /* Set up PCM-in recording mixer */ 1016 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM]; 1017 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1018 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1019 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1]; 1020 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1021 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1022 1023 /* Set up Line-in recording mixer */ 1024 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM]; 1025 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1026 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1027 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1]; 1028 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1029 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1030 1031 /* Set up Mic-in recording mixer */ 1032 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM]; 1033 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1034 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1035 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1]; 1036 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1037 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1038 1039 /* Set up S/PDIF-in recording mixer */ 1040 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM]; 1041 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1042 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1043 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1]; 1044 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1045 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1046 1047 return 0; 1048} 1049 1050static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc) 1051{ 1052 amixer->ops->set_input(amixer, rsc); 1053 amixer->ops->commit_write(amixer); 1054 1055 return 0; 1056} 1057 1058static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type) 1059{ 1060 switch (type) { 1061 case MIX_WAVE_FRONT: return AMIXER_WAVE_F; 1062 case MIX_WAVE_SURROUND: return AMIXER_WAVE_S; 1063 case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C; 1064 case MIX_WAVE_REAR: return AMIXER_WAVE_R; 1065 case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C; 1066 case MIX_SPDIF_OUT: return AMIXER_SPDIFO; 1067 case MIX_LINE_IN: return AMIXER_LINEIN; 1068 case MIX_MIC_IN: return AMIXER_MIC; 1069 case MIX_SPDIF_IN: return AMIXER_SPDIFI; 1070 case MIX_PCMI_FRONT: return AMIXER_PCM_F; 1071 case MIX_PCMI_SURROUND: return AMIXER_PCM_S; 1072 case MIX_PCMI_CENTLFE: return AMIXER_PCM_C; 1073 case MIX_PCMI_REAR: return AMIXER_PCM_R; 1074 default: return 0; 1075 } 1076} 1077 1078static int mixer_get_output_ports(struct ct_mixer *mixer, 1079 enum MIXER_PORT_T type, 1080 struct rsc **rleft, struct rsc **rright) 1081{ 1082 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1083 1084 if (NULL != rleft) 1085 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc; 1086 1087 if (NULL != rright) 1088 *rright = 1089 &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc; 1090 1091 return 0; 1092} 1093 1094static int mixer_set_input_left(struct ct_mixer *mixer, 1095 enum MIXER_PORT_T type, struct rsc *rsc) 1096{ 1097 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1098 1099 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1100 amix = get_recording_amixer(amix); 1101 if (amix < NUM_CT_AMIXERS) 1102 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1103 1104 return 0; 1105} 1106 1107static int 1108mixer_set_input_right(struct ct_mixer *mixer, 1109 enum MIXER_PORT_T type, struct rsc *rsc) 1110{ 1111 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1112 1113 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1114 amix = get_recording_amixer(amix); 1115 if (amix < NUM_CT_AMIXERS) 1116 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1117 1118 return 0; 1119} 1120 1121#ifdef CONFIG_PM_SLEEP 1122static int mixer_resume(struct ct_mixer *mixer) 1123{ 1124 int i, state; 1125 struct amixer *amixer; 1126 1127 /* resume topology and volume gain. */ 1128 for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) { 1129 amixer = mixer->amixers[i]; 1130 amixer->ops->commit_write(amixer); 1131 } 1132 1133 /* resume switch state. */ 1134 for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) { 1135 state = get_switch_state(mixer, i); 1136 do_switch(mixer->atc, i, state); 1137 } 1138 1139 return 0; 1140} 1141#endif 1142 1143int ct_mixer_destroy(struct ct_mixer *mixer) 1144{ 1145 struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 1146 struct amixer_mgr *amixer_mgr = 1147 (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 1148 struct amixer *amixer; 1149 int i = 0; 1150 1151 /* Release amixer resources */ 1152 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 1153 if (NULL != mixer->amixers[i]) { 1154 amixer = mixer->amixers[i]; 1155 amixer_mgr->put_amixer(amixer_mgr, amixer); 1156 } 1157 } 1158 1159 /* Release sum resources */ 1160 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 1161 if (NULL != mixer->sums[i]) 1162 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 1163 } 1164 1165 /* Release mem assigned to mixer object */ 1166 kfree(mixer->sums); 1167 kfree(mixer->amixers); 1168 kfree(mixer); 1169 1170 return 0; 1171} 1172 1173int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer) 1174{ 1175 struct ct_mixer *mixer; 1176 int err; 1177 1178 *rmixer = NULL; 1179 1180 /* Allocate mem for mixer obj */ 1181 err = ct_mixer_get_mem(&mixer); 1182 if (err) 1183 return err; 1184 1185 mixer->switch_state = 0; 1186 mixer->atc = atc; 1187 /* Set operations */ 1188 mixer->get_output_ports = mixer_get_output_ports; 1189 mixer->set_input_left = mixer_set_input_left; 1190 mixer->set_input_right = mixer_set_input_right; 1191#ifdef CONFIG_PM_SLEEP 1192 mixer->resume = mixer_resume; 1193#endif 1194 1195 /* Allocate chip resources for mixer obj */ 1196 err = ct_mixer_get_resources(mixer); 1197 if (err) 1198 goto error; 1199 1200 /* Build internal mixer topology */ 1201 ct_mixer_topology_build(mixer); 1202 1203 *rmixer = mixer; 1204 1205 return 0; 1206 1207error: 1208 ct_mixer_destroy(mixer); 1209 return err; 1210} 1211 1212int ct_alsa_mix_create(struct ct_atc *atc, 1213 enum CTALSADEVS device, 1214 const char *device_name) 1215{ 1216 int err; 1217 1218 /* Create snd kcontrol instances on demand */ 1219 /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */ 1220 err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer); 1221 if (err) 1222 return err; 1223 1224 strcpy(atc->card->mixername, device_name); 1225 1226 return 0; 1227} 1228