1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. 4 * 5 * @File ctmixer.c 6 * 7 * @Brief 8 * This file contains the implementation of alsa mixer device functions. 9 * 10 * @Author Liu Chun 11 * @Date May 28 2008 12 */ 13 14 15 #include "ctmixer.h" 16 #include "ctamixer.h" 17 #include <linux/slab.h> 18 #include <sound/core.h> 19 #include <sound/control.h> 20 #include <sound/asoundef.h> 21 #include <sound/pcm.h> 22 #include <sound/tlv.h> 23 24 enum CT_SUM_CTL { 25 SUM_IN_F, 26 SUM_IN_R, 27 SUM_IN_C, 28 SUM_IN_S, 29 SUM_IN_F_C, 30 31 NUM_CT_SUMS 32 }; 33 34 enum CT_AMIXER_CTL { 35 /* volume control mixers */ 36 AMIXER_MASTER_F, 37 AMIXER_MASTER_R, 38 AMIXER_MASTER_C, 39 AMIXER_MASTER_S, 40 AMIXER_PCM_F, 41 AMIXER_PCM_R, 42 AMIXER_PCM_C, 43 AMIXER_PCM_S, 44 AMIXER_SPDIFI, 45 AMIXER_LINEIN, 46 AMIXER_MIC, 47 AMIXER_SPDIFO, 48 AMIXER_WAVE_F, 49 AMIXER_WAVE_R, 50 AMIXER_WAVE_C, 51 AMIXER_WAVE_S, 52 AMIXER_MASTER_F_C, 53 AMIXER_PCM_F_C, 54 AMIXER_SPDIFI_C, 55 AMIXER_LINEIN_C, 56 AMIXER_MIC_C, 57 58 /* this should always be the last one */ 59 NUM_CT_AMIXERS 60 }; 61 62 enum CTALSA_MIXER_CTL { 63 /* volume control mixers */ 64 MIXER_MASTER_P, 65 MIXER_PCM_P, 66 MIXER_LINEIN_P, 67 MIXER_MIC_P, 68 MIXER_SPDIFI_P, 69 MIXER_SPDIFO_P, 70 MIXER_WAVEF_P, 71 MIXER_WAVER_P, 72 MIXER_WAVEC_P, 73 MIXER_WAVES_P, 74 MIXER_MASTER_C, 75 MIXER_PCM_C, 76 MIXER_LINEIN_C, 77 MIXER_MIC_C, 78 MIXER_SPDIFI_C, 79 80 /* switch control mixers */ 81 MIXER_PCM_C_S, 82 MIXER_LINEIN_C_S, 83 MIXER_MIC_C_S, 84 MIXER_SPDIFI_C_S, 85 MIXER_SPDIFO_P_S, 86 MIXER_WAVEF_P_S, 87 MIXER_WAVER_P_S, 88 MIXER_WAVEC_P_S, 89 MIXER_WAVES_P_S, 90 MIXER_DIGITAL_IO_S, 91 MIXER_IEC958_MASK, 92 MIXER_IEC958_DEFAULT, 93 MIXER_IEC958_STREAM, 94 95 /* this should always be the last one */ 96 NUM_CTALSA_MIXERS 97 }; 98 99 #define VOL_MIXER_START MIXER_MASTER_P 100 #define VOL_MIXER_END MIXER_SPDIFI_C 101 #define VOL_MIXER_NUM (VOL_MIXER_END - VOL_MIXER_START + 1) 102 #define SWH_MIXER_START MIXER_PCM_C_S 103 #define SWH_MIXER_END MIXER_DIGITAL_IO_S 104 #define SWH_CAPTURE_START MIXER_PCM_C_S 105 #define SWH_CAPTURE_END MIXER_SPDIFI_C_S 106 107 #define CHN_NUM 2 108 109 struct ct_kcontrol_init { 110 unsigned char ctl; 111 char *name; 112 }; 113 114 static struct ct_kcontrol_init 115 ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = { 116 [MIXER_MASTER_P] = { 117 .ctl = 1, 118 .name = "Master Playback Volume", 119 }, 120 [MIXER_MASTER_C] = { 121 .ctl = 1, 122 .name = "Master Capture Volume", 123 }, 124 [MIXER_PCM_P] = { 125 .ctl = 1, 126 .name = "PCM Playback Volume", 127 }, 128 [MIXER_PCM_C] = { 129 .ctl = 1, 130 .name = "PCM Capture Volume", 131 }, 132 [MIXER_LINEIN_P] = { 133 .ctl = 1, 134 .name = "Line Playback Volume", 135 }, 136 [MIXER_LINEIN_C] = { 137 .ctl = 1, 138 .name = "Line Capture Volume", 139 }, 140 [MIXER_MIC_P] = { 141 .ctl = 1, 142 .name = "Mic Playback Volume", 143 }, 144 [MIXER_MIC_C] = { 145 .ctl = 1, 146 .name = "Mic Capture Volume", 147 }, 148 [MIXER_SPDIFI_P] = { 149 .ctl = 1, 150 .name = "IEC958 Playback Volume", 151 }, 152 [MIXER_SPDIFI_C] = { 153 .ctl = 1, 154 .name = "IEC958 Capture Volume", 155 }, 156 [MIXER_SPDIFO_P] = { 157 .ctl = 1, 158 .name = "Digital Playback Volume", 159 }, 160 [MIXER_WAVEF_P] = { 161 .ctl = 1, 162 .name = "Front Playback Volume", 163 }, 164 [MIXER_WAVES_P] = { 165 .ctl = 1, 166 .name = "Side Playback Volume", 167 }, 168 [MIXER_WAVEC_P] = { 169 .ctl = 1, 170 .name = "Center/LFE Playback Volume", 171 }, 172 [MIXER_WAVER_P] = { 173 .ctl = 1, 174 .name = "Surround Playback Volume", 175 }, 176 [MIXER_PCM_C_S] = { 177 .ctl = 1, 178 .name = "PCM Capture Switch", 179 }, 180 [MIXER_LINEIN_C_S] = { 181 .ctl = 1, 182 .name = "Line Capture Switch", 183 }, 184 [MIXER_MIC_C_S] = { 185 .ctl = 1, 186 .name = "Mic Capture Switch", 187 }, 188 [MIXER_SPDIFI_C_S] = { 189 .ctl = 1, 190 .name = "IEC958 Capture Switch", 191 }, 192 [MIXER_SPDIFO_P_S] = { 193 .ctl = 1, 194 .name = "Digital Playback Switch", 195 }, 196 [MIXER_WAVEF_P_S] = { 197 .ctl = 1, 198 .name = "Front Playback Switch", 199 }, 200 [MIXER_WAVES_P_S] = { 201 .ctl = 1, 202 .name = "Side Playback Switch", 203 }, 204 [MIXER_WAVEC_P_S] = { 205 .ctl = 1, 206 .name = "Center/LFE Playback Switch", 207 }, 208 [MIXER_WAVER_P_S] = { 209 .ctl = 1, 210 .name = "Surround Playback Switch", 211 }, 212 [MIXER_DIGITAL_IO_S] = { 213 .ctl = 0, 214 .name = "Digit-IO Playback Switch", 215 }, 216 }; 217 218 static void 219 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type); 220 221 static void 222 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type); 223 224 static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index) 225 { 226 switch (alsa_index) { 227 case MIXER_MASTER_P: return AMIXER_MASTER_F; 228 case MIXER_MASTER_C: return AMIXER_MASTER_F_C; 229 case MIXER_PCM_P: return AMIXER_PCM_F; 230 case MIXER_PCM_C: 231 case MIXER_PCM_C_S: return AMIXER_PCM_F_C; 232 case MIXER_LINEIN_P: return AMIXER_LINEIN; 233 case MIXER_LINEIN_C: 234 case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C; 235 case MIXER_MIC_P: return AMIXER_MIC; 236 case MIXER_MIC_C: 237 case MIXER_MIC_C_S: return AMIXER_MIC_C; 238 case MIXER_SPDIFI_P: return AMIXER_SPDIFI; 239 case MIXER_SPDIFI_C: 240 case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C; 241 case MIXER_SPDIFO_P: return AMIXER_SPDIFO; 242 case MIXER_WAVEF_P: return AMIXER_WAVE_F; 243 case MIXER_WAVES_P: return AMIXER_WAVE_S; 244 case MIXER_WAVEC_P: return AMIXER_WAVE_C; 245 case MIXER_WAVER_P: return AMIXER_WAVE_R; 246 default: return NUM_CT_AMIXERS; 247 } 248 } 249 250 static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index) 251 { 252 switch (index) { 253 case AMIXER_MASTER_F: return AMIXER_MASTER_F_C; 254 case AMIXER_PCM_F: return AMIXER_PCM_F_C; 255 case AMIXER_SPDIFI: return AMIXER_SPDIFI_C; 256 case AMIXER_LINEIN: return AMIXER_LINEIN_C; 257 case AMIXER_MIC: return AMIXER_MIC_C; 258 default: return NUM_CT_AMIXERS; 259 } 260 } 261 262 static unsigned char 263 get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type) 264 { 265 return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START))) 266 ? 1 : 0; 267 } 268 269 static void 270 set_switch_state(struct ct_mixer *mixer, 271 enum CTALSA_MIXER_CTL type, unsigned char state) 272 { 273 if (state) 274 mixer->switch_state |= (0x1 << (type - SWH_MIXER_START)); 275 else 276 mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START)); 277 } 278 279 #if 0 /* not used */ 280 /* Map integer value ranging from 0 to 65535 to 14-bit float value ranging 281 * from 2^-6 to (1+1023/1024) */ 282 static unsigned int uint16_to_float14(unsigned int x) 283 { 284 unsigned int i; 285 286 if (x < 17) 287 return 0; 288 289 x *= 2031; 290 x /= 65535; 291 x += 16; 292 293 /* i <= 6 */ 294 for (i = 0; !(x & 0x400); i++) 295 x <<= 1; 296 297 x = (((7 - i) & 0x7) << 10) | (x & 0x3ff); 298 299 return x; 300 } 301 302 static unsigned int float14_to_uint16(unsigned int x) 303 { 304 unsigned int e; 305 306 if (!x) 307 return x; 308 309 e = (x >> 10) & 0x7; 310 x &= 0x3ff; 311 x += 1024; 312 x >>= (7 - e); 313 x -= 16; 314 x *= 65535; 315 x /= 2031; 316 317 return x; 318 } 319 #endif /* not used */ 320 321 #define VOL_SCALE 0x1c 322 #define VOL_MAX 0x100 323 324 static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1); 325 326 static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol, 327 struct snd_ctl_elem_info *uinfo) 328 { 329 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 330 uinfo->count = 2; 331 uinfo->value.integer.min = 0; 332 uinfo->value.integer.max = VOL_MAX; 333 334 return 0; 335 } 336 337 static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol, 338 struct snd_ctl_elem_value *ucontrol) 339 { 340 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 341 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 342 struct amixer *amixer; 343 int i, val; 344 345 for (i = 0; i < 2; i++) { 346 amixer = ((struct ct_mixer *)atc->mixer)-> 347 amixers[type*CHN_NUM+i]; 348 val = amixer->ops->get_scale(amixer) / VOL_SCALE; 349 if (val < 0) 350 val = 0; 351 else if (val > VOL_MAX) 352 val = VOL_MAX; 353 ucontrol->value.integer.value[i] = val; 354 } 355 356 return 0; 357 } 358 359 static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol, 360 struct snd_ctl_elem_value *ucontrol) 361 { 362 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 363 struct ct_mixer *mixer = atc->mixer; 364 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 365 struct amixer *amixer; 366 int i, j, val, oval, change = 0; 367 368 for (i = 0; i < 2; i++) { 369 val = ucontrol->value.integer.value[i]; 370 if (val < 0) 371 val = 0; 372 else if (val > VOL_MAX) 373 val = VOL_MAX; 374 val *= VOL_SCALE; 375 amixer = mixer->amixers[type*CHN_NUM+i]; 376 oval = amixer->ops->get_scale(amixer); 377 if (val != oval) { 378 amixer->ops->set_scale(amixer, val); 379 amixer->ops->commit_write(amixer); 380 change = 1; 381 /* Synchronize Master/PCM playback AMIXERs. */ 382 if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) { 383 for (j = 1; j < 4; j++) { 384 amixer = mixer-> 385 amixers[(type+j)*CHN_NUM+i]; 386 amixer->ops->set_scale(amixer, val); 387 amixer->ops->commit_write(amixer); 388 } 389 } 390 } 391 } 392 393 return change; 394 } 395 396 static struct snd_kcontrol_new vol_ctl = { 397 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 398 SNDRV_CTL_ELEM_ACCESS_TLV_READ, 399 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 400 .info = ct_alsa_mix_volume_info, 401 .get = ct_alsa_mix_volume_get, 402 .put = ct_alsa_mix_volume_put, 403 .tlv = { .p = ct_vol_db_scale }, 404 }; 405 406 static int output_switch_info(struct snd_kcontrol *kcontrol, 407 struct snd_ctl_elem_info *info) 408 { 409 static const char *const names[3] = { 410 "FP Headphones", "Headphones", "Speakers" 411 }; 412 413 return snd_ctl_enum_info(info, 1, 3, names); 414 } 415 416 static int output_switch_get(struct snd_kcontrol *kcontrol, 417 struct snd_ctl_elem_value *ucontrol) 418 { 419 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 420 ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc); 421 return 0; 422 } 423 424 static int output_switch_put(struct snd_kcontrol *kcontrol, 425 struct snd_ctl_elem_value *ucontrol) 426 { 427 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 428 if (ucontrol->value.enumerated.item[0] > 2) 429 return -EINVAL; 430 return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]); 431 } 432 433 static struct snd_kcontrol_new output_ctl = { 434 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 435 .name = "Analog Output Playback Enum", 436 .info = output_switch_info, 437 .get = output_switch_get, 438 .put = output_switch_put, 439 }; 440 441 static int mic_source_switch_info(struct snd_kcontrol *kcontrol, 442 struct snd_ctl_elem_info *info) 443 { 444 static const char *const names[3] = { 445 "Mic", "FP Mic", "Aux" 446 }; 447 448 return snd_ctl_enum_info(info, 1, 3, names); 449 } 450 451 static int mic_source_switch_get(struct snd_kcontrol *kcontrol, 452 struct snd_ctl_elem_value *ucontrol) 453 { 454 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 455 ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc); 456 return 0; 457 } 458 459 static int mic_source_switch_put(struct snd_kcontrol *kcontrol, 460 struct snd_ctl_elem_value *ucontrol) 461 { 462 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 463 if (ucontrol->value.enumerated.item[0] > 2) 464 return -EINVAL; 465 return atc->mic_source_switch_put(atc, 466 ucontrol->value.enumerated.item[0]); 467 } 468 469 static struct snd_kcontrol_new mic_source_ctl = { 470 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 471 .name = "Mic Source Capture Enum", 472 .info = mic_source_switch_info, 473 .get = mic_source_switch_get, 474 .put = mic_source_switch_put, 475 }; 476 477 static void 478 do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type) 479 { 480 struct ct_mixer *mixer = atc->mixer; 481 482 if (MIXER_LINEIN_C_S == type) { 483 atc->select_line_in(atc); 484 set_switch_state(mixer, MIXER_MIC_C_S, 0); 485 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 486 &mixer->line_mic_kctls[1]->id); 487 } else if (MIXER_MIC_C_S == type) { 488 atc->select_mic_in(atc); 489 set_switch_state(mixer, MIXER_LINEIN_C_S, 0); 490 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 491 &mixer->line_mic_kctls[0]->id); 492 } 493 } 494 495 static void 496 do_digit_io_switch(struct ct_atc *atc, int state) 497 { 498 struct ct_mixer *mixer = atc->mixer; 499 500 if (state) { 501 atc->select_digit_io(atc); 502 atc->spdif_out_unmute(atc, 503 get_switch_state(mixer, MIXER_SPDIFO_P_S)); 504 atc->spdif_in_unmute(atc, 1); 505 atc->line_in_unmute(atc, 0); 506 return; 507 } 508 509 if (get_switch_state(mixer, MIXER_LINEIN_C_S)) 510 atc->select_line_in(atc); 511 else if (get_switch_state(mixer, MIXER_MIC_C_S)) 512 atc->select_mic_in(atc); 513 514 atc->spdif_out_unmute(atc, 0); 515 atc->spdif_in_unmute(atc, 0); 516 atc->line_in_unmute(atc, 1); 517 return; 518 } 519 520 static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state) 521 { 522 struct ct_mixer *mixer = atc->mixer; 523 struct capabilities cap = atc->capabilities(atc); 524 525 /* Do changes in mixer. */ 526 if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) { 527 if (state) { 528 ct_mixer_recording_select(mixer, 529 get_amixer_index(type)); 530 } else { 531 ct_mixer_recording_unselect(mixer, 532 get_amixer_index(type)); 533 } 534 } 535 /* Do changes out of mixer. */ 536 if (!cap.dedicated_mic && 537 (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) { 538 if (state) 539 do_line_mic_switch(atc, type); 540 atc->line_in_unmute(atc, state); 541 } else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type)) 542 atc->line_in_unmute(atc, state); 543 else if (cap.dedicated_mic && (MIXER_MIC_C_S == type)) 544 atc->mic_unmute(atc, state); 545 else if (MIXER_SPDIFI_C_S == type) 546 atc->spdif_in_unmute(atc, state); 547 else if (MIXER_WAVEF_P_S == type) { 548 if (cap.dedicated_rca) { 549 atc->rca_unmute(atc, atc->rca_state ? 0 : state); 550 atc->line_front_unmute(atc, atc->rca_state ? state : 0); 551 } else { 552 atc->line_front_unmute(atc, state); 553 } 554 } 555 else if (MIXER_WAVES_P_S == type) 556 atc->line_surround_unmute(atc, state); 557 else if (MIXER_WAVEC_P_S == type) 558 atc->line_clfe_unmute(atc, state); 559 else if (MIXER_WAVER_P_S == type) 560 atc->line_rear_unmute(atc, state); 561 else if (MIXER_SPDIFO_P_S == type) 562 atc->spdif_out_unmute(atc, state); 563 else if (MIXER_DIGITAL_IO_S == type) 564 do_digit_io_switch(atc, state); 565 566 return; 567 } 568 569 static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol, 570 struct snd_ctl_elem_info *uinfo) 571 { 572 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 573 uinfo->count = 1; 574 uinfo->value.integer.min = 0; 575 uinfo->value.integer.max = 1; 576 uinfo->value.integer.step = 1; 577 578 return 0; 579 } 580 581 static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol, 582 struct snd_ctl_elem_value *ucontrol) 583 { 584 struct ct_mixer *mixer = 585 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer; 586 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 587 588 ucontrol->value.integer.value[0] = get_switch_state(mixer, type); 589 return 0; 590 } 591 592 static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol, 593 struct snd_ctl_elem_value *ucontrol) 594 { 595 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 596 struct ct_mixer *mixer = atc->mixer; 597 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 598 int state; 599 600 state = ucontrol->value.integer.value[0]; 601 if (get_switch_state(mixer, type) == state) 602 return 0; 603 604 set_switch_state(mixer, type, state); 605 do_switch(atc, type, state); 606 607 return 1; 608 } 609 610 static struct snd_kcontrol_new swh_ctl = { 611 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 612 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 613 .info = ct_alsa_mix_switch_info, 614 .get = ct_alsa_mix_switch_get, 615 .put = ct_alsa_mix_switch_put 616 }; 617 618 static int dedicated_rca_info(struct snd_kcontrol *kcontrol, 619 struct snd_ctl_elem_info *info) 620 { 621 static const char *const names[2] = { 622 "RCA", "Front" 623 }; 624 625 return snd_ctl_enum_info(info, 1, 2, names); 626 } 627 628 static int dedicated_rca_get(struct snd_kcontrol *kcontrol, 629 struct snd_ctl_elem_value *ucontrol) 630 { 631 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 632 633 ucontrol->value.enumerated.item[0] = atc->rca_state; 634 return 0; 635 } 636 637 static int dedicated_rca_put(struct snd_kcontrol *kcontrol, 638 struct snd_ctl_elem_value *ucontrol) 639 { 640 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 641 unsigned int rca_state = ucontrol->value.enumerated.item[0]; 642 unsigned char state; 643 644 if (rca_state > 1) 645 return -EINVAL; 646 647 if (rca_state == atc->rca_state) 648 return 0; 649 650 state = get_switch_state(atc->mixer, MIXER_WAVEF_P_S); 651 do_switch(atc, MIXER_WAVEF_P_S, 0); 652 653 atc->rca_state = rca_state; 654 atc->dedicated_rca_select(atc); 655 656 do_switch(atc, MIXER_WAVEF_P_S, state); 657 658 return 1; 659 } 660 661 static struct snd_kcontrol_new rca_ctl = { 662 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 663 .name = "Analog Playback Route", 664 .info = dedicated_rca_info, 665 .get = dedicated_rca_get, 666 .put = dedicated_rca_put, 667 }; 668 669 static int ct_spdif_info(struct snd_kcontrol *kcontrol, 670 struct snd_ctl_elem_info *uinfo) 671 { 672 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 673 uinfo->count = 1; 674 return 0; 675 } 676 677 static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol, 678 struct snd_ctl_elem_value *ucontrol) 679 { 680 ucontrol->value.iec958.status[0] = 0xff; 681 ucontrol->value.iec958.status[1] = 0xff; 682 ucontrol->value.iec958.status[2] = 0xff; 683 ucontrol->value.iec958.status[3] = 0xff; 684 return 0; 685 } 686 687 static int ct_spdif_get(struct snd_kcontrol *kcontrol, 688 struct snd_ctl_elem_value *ucontrol) 689 { 690 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 691 unsigned int status; 692 693 atc->spdif_out_get_status(atc, &status); 694 695 if (status == 0) 696 status = SNDRV_PCM_DEFAULT_CON_SPDIF; 697 698 ucontrol->value.iec958.status[0] = (status >> 0) & 0xff; 699 ucontrol->value.iec958.status[1] = (status >> 8) & 0xff; 700 ucontrol->value.iec958.status[2] = (status >> 16) & 0xff; 701 ucontrol->value.iec958.status[3] = (status >> 24) & 0xff; 702 703 return 0; 704 } 705 706 static int ct_spdif_put(struct snd_kcontrol *kcontrol, 707 struct snd_ctl_elem_value *ucontrol) 708 { 709 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 710 int change; 711 unsigned int status, old_status; 712 713 status = (ucontrol->value.iec958.status[0] << 0) | 714 (ucontrol->value.iec958.status[1] << 8) | 715 (ucontrol->value.iec958.status[2] << 16) | 716 (ucontrol->value.iec958.status[3] << 24); 717 718 atc->spdif_out_get_status(atc, &old_status); 719 change = (old_status != status); 720 if (change) 721 atc->spdif_out_set_status(atc, status); 722 723 return change; 724 } 725 726 static struct snd_kcontrol_new iec958_mask_ctl = { 727 .access = SNDRV_CTL_ELEM_ACCESS_READ, 728 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 729 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), 730 .count = 1, 731 .info = ct_spdif_info, 732 .get = ct_spdif_get_mask, 733 .private_value = MIXER_IEC958_MASK 734 }; 735 736 static struct snd_kcontrol_new iec958_default_ctl = { 737 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 738 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), 739 .count = 1, 740 .info = ct_spdif_info, 741 .get = ct_spdif_get, 742 .put = ct_spdif_put, 743 .private_value = MIXER_IEC958_DEFAULT 744 }; 745 746 static struct snd_kcontrol_new iec958_ctl = { 747 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 748 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 749 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM), 750 .count = 1, 751 .info = ct_spdif_info, 752 .get = ct_spdif_get, 753 .put = ct_spdif_put, 754 .private_value = MIXER_IEC958_STREAM 755 }; 756 757 #define NUM_IEC958_CTL 3 758 759 static int 760 ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new) 761 { 762 struct snd_kcontrol *kctl; 763 int err; 764 765 kctl = snd_ctl_new1(new, mixer->atc); 766 if (!kctl) 767 return -ENOMEM; 768 769 if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface) 770 kctl->id.device = IEC958; 771 772 err = snd_ctl_add(mixer->atc->card, kctl); 773 if (err) 774 return err; 775 776 switch (new->private_value) { 777 case MIXER_LINEIN_C_S: 778 mixer->line_mic_kctls[0] = kctl; break; 779 case MIXER_MIC_C_S: 780 mixer->line_mic_kctls[1] = kctl; break; 781 default: 782 break; 783 } 784 785 return 0; 786 } 787 788 static int ct_mixer_kcontrols_create(struct ct_mixer *mixer) 789 { 790 enum CTALSA_MIXER_CTL type; 791 struct ct_atc *atc = mixer->atc; 792 struct capabilities cap = atc->capabilities(atc); 793 int err; 794 795 /* Create snd kcontrol instances on demand */ 796 for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) { 797 if (ct_kcontrol_init_table[type].ctl) { 798 vol_ctl.name = ct_kcontrol_init_table[type].name; 799 vol_ctl.private_value = (unsigned long)type; 800 err = ct_mixer_kcontrol_new(mixer, &vol_ctl); 801 if (err) 802 return err; 803 } 804 } 805 806 ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch; 807 808 for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) { 809 if (ct_kcontrol_init_table[type].ctl) { 810 swh_ctl.name = ct_kcontrol_init_table[type].name; 811 swh_ctl.private_value = (unsigned long)type; 812 err = ct_mixer_kcontrol_new(mixer, &swh_ctl); 813 if (err) 814 return err; 815 } 816 } 817 818 err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl); 819 if (err) 820 return err; 821 822 err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl); 823 if (err) 824 return err; 825 826 err = ct_mixer_kcontrol_new(mixer, &iec958_ctl); 827 if (err) 828 return err; 829 830 if (cap.output_switch) { 831 err = ct_mixer_kcontrol_new(mixer, &output_ctl); 832 if (err) 833 return err; 834 } 835 836 if (cap.mic_source_switch) { 837 err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl); 838 if (err) 839 return err; 840 } 841 842 if (cap.dedicated_rca) { 843 err = ct_mixer_kcontrol_new(mixer, &rca_ctl); 844 if (err) 845 return err; 846 847 atc->line_front_unmute(atc, 0); 848 atc->rca_unmute(atc, 1); 849 } else { 850 atc->line_front_unmute(atc, 1); 851 } 852 set_switch_state(mixer, MIXER_WAVEF_P_S, 1); 853 atc->line_surround_unmute(atc, 0); 854 set_switch_state(mixer, MIXER_WAVES_P_S, 0); 855 atc->line_clfe_unmute(atc, 0); 856 set_switch_state(mixer, MIXER_WAVEC_P_S, 0); 857 atc->line_rear_unmute(atc, 0); 858 set_switch_state(mixer, MIXER_WAVER_P_S, 0); 859 atc->spdif_out_unmute(atc, 0); 860 set_switch_state(mixer, MIXER_SPDIFO_P_S, 0); 861 atc->line_in_unmute(atc, 0); 862 if (cap.dedicated_mic) 863 atc->mic_unmute(atc, 0); 864 atc->spdif_in_unmute(atc, 0); 865 set_switch_state(mixer, MIXER_PCM_C_S, 0); 866 set_switch_state(mixer, MIXER_LINEIN_C_S, 0); 867 set_switch_state(mixer, MIXER_SPDIFI_C_S, 0); 868 869 return 0; 870 } 871 872 static void 873 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 874 { 875 struct amixer *amix_d; 876 struct sum *sum_c; 877 int i; 878 879 for (i = 0; i < 2; i++) { 880 amix_d = mixer->amixers[type*CHN_NUM+i]; 881 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i]; 882 amix_d->ops->set_sum(amix_d, sum_c); 883 amix_d->ops->commit_write(amix_d); 884 } 885 } 886 887 static void 888 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 889 { 890 struct amixer *amix_d; 891 int i; 892 893 for (i = 0; i < 2; i++) { 894 amix_d = mixer->amixers[type*CHN_NUM+i]; 895 amix_d->ops->set_sum(amix_d, NULL); 896 amix_d->ops->commit_write(amix_d); 897 } 898 } 899 900 static int ct_mixer_get_resources(struct ct_mixer *mixer) 901 { 902 struct sum_mgr *sum_mgr; 903 struct sum *sum; 904 struct sum_desc sum_desc = {0}; 905 struct amixer_mgr *amixer_mgr; 906 struct amixer *amixer; 907 struct amixer_desc am_desc = {0}; 908 int err; 909 int i; 910 911 /* Allocate sum resources for mixer obj */ 912 sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 913 sum_desc.msr = mixer->atc->msr; 914 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 915 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum); 916 if (err) { 917 dev_err(mixer->atc->card->dev, 918 "Failed to get sum resources for front output!\n"); 919 break; 920 } 921 mixer->sums[i] = sum; 922 } 923 if (err) 924 goto error1; 925 926 /* Allocate amixer resources for mixer obj */ 927 amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 928 am_desc.msr = mixer->atc->msr; 929 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 930 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer); 931 if (err) { 932 dev_err(mixer->atc->card->dev, 933 "Failed to get amixer resources for mixer obj!\n"); 934 break; 935 } 936 mixer->amixers[i] = amixer; 937 } 938 if (err) 939 goto error2; 940 941 return 0; 942 943 error2: 944 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 945 if (NULL != mixer->amixers[i]) { 946 amixer = mixer->amixers[i]; 947 amixer_mgr->put_amixer(amixer_mgr, amixer); 948 mixer->amixers[i] = NULL; 949 } 950 } 951 error1: 952 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 953 if (NULL != mixer->sums[i]) { 954 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 955 mixer->sums[i] = NULL; 956 } 957 } 958 959 return err; 960 } 961 962 static int ct_mixer_get_mem(struct ct_mixer **rmixer) 963 { 964 struct ct_mixer *mixer; 965 size_t alloc_size; 966 967 *rmixer = NULL; 968 /* Allocate mem for mixer obj */ 969 alloc_size = struct_size(mixer, amixers, NUM_CT_AMIXERS * CHN_NUM); 970 alloc_size += sizeof(*mixer->sums) * NUM_CT_SUMS * CHN_NUM; 971 mixer = kzalloc(alloc_size, GFP_KERNEL); 972 if (!mixer) 973 return -ENOMEM; 974 975 mixer->sums = (struct sum **)(mixer->amixers + (NUM_CT_AMIXERS * CHN_NUM)); 976 977 *rmixer = mixer; 978 return 0; 979 } 980 981 static int ct_mixer_topology_build(struct ct_mixer *mixer) 982 { 983 struct sum *sum; 984 struct amixer *amix_d, *amix_s; 985 enum CT_AMIXER_CTL i, j; 986 enum CT_SUM_CTL k; 987 988 /* Build topology from destination to source */ 989 990 /* Set up Master mixer */ 991 for (i = AMIXER_MASTER_F, k = SUM_IN_F; 992 i <= AMIXER_MASTER_S; i++, k++) { 993 amix_d = mixer->amixers[i*CHN_NUM]; 994 sum = mixer->sums[k*CHN_NUM]; 995 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 996 amix_d = mixer->amixers[i*CHN_NUM+1]; 997 sum = mixer->sums[k*CHN_NUM+1]; 998 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 999 } 1000 1001 /* Set up Wave-out mixer */ 1002 for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F; 1003 i <= AMIXER_WAVE_S; i++, j++) { 1004 amix_d = mixer->amixers[i*CHN_NUM]; 1005 amix_s = mixer->amixers[j*CHN_NUM]; 1006 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1007 amix_d = mixer->amixers[i*CHN_NUM+1]; 1008 amix_s = mixer->amixers[j*CHN_NUM+1]; 1009 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1010 } 1011 1012 /* Set up S/PDIF-out mixer */ 1013 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM]; 1014 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM]; 1015 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1016 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1]; 1017 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1]; 1018 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1019 1020 /* Set up PCM-in mixer */ 1021 for (i = AMIXER_PCM_F, k = SUM_IN_F; i <= AMIXER_PCM_S; i++, k++) { 1022 amix_d = mixer->amixers[i*CHN_NUM]; 1023 sum = mixer->sums[k*CHN_NUM]; 1024 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1025 amix_d = mixer->amixers[i*CHN_NUM+1]; 1026 sum = mixer->sums[k*CHN_NUM+1]; 1027 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1028 } 1029 1030 /* Set up Line-in mixer */ 1031 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM]; 1032 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1033 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1034 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1]; 1035 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1036 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1037 1038 /* Set up Mic-in mixer */ 1039 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM]; 1040 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1041 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1042 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1]; 1043 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1044 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1045 1046 /* Set up S/PDIF-in mixer */ 1047 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM]; 1048 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1049 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1050 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1]; 1051 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1052 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1053 1054 /* Set up Master recording mixer */ 1055 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM]; 1056 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1057 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1058 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1]; 1059 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1060 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1061 1062 /* Set up PCM-in recording mixer */ 1063 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM]; 1064 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1065 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1066 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1]; 1067 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1068 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1069 1070 /* Set up Line-in recording mixer */ 1071 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM]; 1072 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1073 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1074 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1]; 1075 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1076 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1077 1078 /* Set up Mic-in recording mixer */ 1079 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM]; 1080 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1081 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1082 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1]; 1083 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1084 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1085 1086 /* Set up S/PDIF-in recording mixer */ 1087 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM]; 1088 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1089 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1090 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1]; 1091 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1092 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1093 1094 return 0; 1095 } 1096 1097 static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc) 1098 { 1099 amixer->ops->set_input(amixer, rsc); 1100 amixer->ops->commit_write(amixer); 1101 1102 return 0; 1103 } 1104 1105 static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type) 1106 { 1107 switch (type) { 1108 case MIX_WAVE_FRONT: return AMIXER_WAVE_F; 1109 case MIX_WAVE_SURROUND: return AMIXER_WAVE_S; 1110 case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C; 1111 case MIX_WAVE_REAR: return AMIXER_WAVE_R; 1112 case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C; 1113 case MIX_SPDIF_OUT: return AMIXER_SPDIFO; 1114 case MIX_LINE_IN: return AMIXER_LINEIN; 1115 case MIX_MIC_IN: return AMIXER_MIC; 1116 case MIX_SPDIF_IN: return AMIXER_SPDIFI; 1117 case MIX_PCMI_FRONT: return AMIXER_PCM_F; 1118 case MIX_PCMI_SURROUND: return AMIXER_PCM_S; 1119 case MIX_PCMI_CENTLFE: return AMIXER_PCM_C; 1120 case MIX_PCMI_REAR: return AMIXER_PCM_R; 1121 default: return 0; 1122 } 1123 } 1124 1125 static int mixer_get_output_ports(struct ct_mixer *mixer, 1126 enum MIXER_PORT_T type, 1127 struct rsc **rleft, struct rsc **rright) 1128 { 1129 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1130 1131 if (NULL != rleft) 1132 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc; 1133 1134 if (NULL != rright) 1135 *rright = 1136 &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc; 1137 1138 return 0; 1139 } 1140 1141 static int mixer_set_input_left(struct ct_mixer *mixer, 1142 enum MIXER_PORT_T type, struct rsc *rsc) 1143 { 1144 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1145 1146 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1147 amix = get_recording_amixer(amix); 1148 if (amix < NUM_CT_AMIXERS) 1149 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1150 1151 return 0; 1152 } 1153 1154 static int 1155 mixer_set_input_right(struct ct_mixer *mixer, 1156 enum MIXER_PORT_T type, struct rsc *rsc) 1157 { 1158 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1159 1160 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1161 amix = get_recording_amixer(amix); 1162 if (amix < NUM_CT_AMIXERS) 1163 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1164 1165 return 0; 1166 } 1167 1168 #ifdef CONFIG_PM_SLEEP 1169 static int mixer_resume(struct ct_mixer *mixer) 1170 { 1171 int i, state; 1172 struct amixer *amixer; 1173 1174 /* resume topology and volume gain. */ 1175 for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) { 1176 amixer = mixer->amixers[i]; 1177 amixer->ops->commit_write(amixer); 1178 } 1179 1180 /* resume switch state. */ 1181 for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) { 1182 state = get_switch_state(mixer, i); 1183 do_switch(mixer->atc, i, state); 1184 } 1185 1186 return 0; 1187 } 1188 #endif 1189 1190 int ct_mixer_destroy(struct ct_mixer *mixer) 1191 { 1192 struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 1193 struct amixer_mgr *amixer_mgr = 1194 (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 1195 struct amixer *amixer; 1196 int i = 0; 1197 1198 /* Release amixer resources */ 1199 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 1200 if (NULL != mixer->amixers[i]) { 1201 amixer = mixer->amixers[i]; 1202 amixer_mgr->put_amixer(amixer_mgr, amixer); 1203 } 1204 } 1205 1206 /* Release sum resources */ 1207 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 1208 if (NULL != mixer->sums[i]) 1209 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 1210 } 1211 1212 /* Release mem assigned to mixer object */ 1213 kfree(mixer); 1214 1215 return 0; 1216 } 1217 1218 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer) 1219 { 1220 struct ct_mixer *mixer; 1221 int err; 1222 1223 *rmixer = NULL; 1224 1225 /* Allocate mem for mixer obj */ 1226 err = ct_mixer_get_mem(&mixer); 1227 if (err) 1228 return err; 1229 1230 mixer->switch_state = 0; 1231 mixer->atc = atc; 1232 /* Set operations */ 1233 mixer->get_output_ports = mixer_get_output_ports; 1234 mixer->set_input_left = mixer_set_input_left; 1235 mixer->set_input_right = mixer_set_input_right; 1236 #ifdef CONFIG_PM_SLEEP 1237 mixer->resume = mixer_resume; 1238 #endif 1239 1240 /* Allocate chip resources for mixer obj */ 1241 err = ct_mixer_get_resources(mixer); 1242 if (err) 1243 goto error; 1244 1245 /* Build internal mixer topology */ 1246 ct_mixer_topology_build(mixer); 1247 1248 *rmixer = mixer; 1249 1250 return 0; 1251 1252 error: 1253 ct_mixer_destroy(mixer); 1254 return err; 1255 } 1256 1257 int ct_alsa_mix_create(struct ct_atc *atc, 1258 enum CTALSADEVS device, 1259 const char *device_name) 1260 { 1261 int err; 1262 1263 /* Create snd kcontrol instances on demand */ 1264 /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */ 1265 err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer); 1266 if (err) 1267 return err; 1268 1269 strscpy(atc->card->mixername, device_name); 1270 1271 return 0; 1272 } 1273