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 /* FIXME: this static looks like it would fail if more than one card was */ 225 /* installed. */ 226 static struct snd_kcontrol *kctls[2] = {NULL}; 227 228 static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index) 229 { 230 switch (alsa_index) { 231 case MIXER_MASTER_P: return AMIXER_MASTER_F; 232 case MIXER_MASTER_C: return AMIXER_MASTER_F_C; 233 case MIXER_PCM_P: return AMIXER_PCM_F; 234 case MIXER_PCM_C: 235 case MIXER_PCM_C_S: return AMIXER_PCM_F_C; 236 case MIXER_LINEIN_P: return AMIXER_LINEIN; 237 case MIXER_LINEIN_C: 238 case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C; 239 case MIXER_MIC_P: return AMIXER_MIC; 240 case MIXER_MIC_C: 241 case MIXER_MIC_C_S: return AMIXER_MIC_C; 242 case MIXER_SPDIFI_P: return AMIXER_SPDIFI; 243 case MIXER_SPDIFI_C: 244 case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C; 245 case MIXER_SPDIFO_P: return AMIXER_SPDIFO; 246 case MIXER_WAVEF_P: return AMIXER_WAVE_F; 247 case MIXER_WAVES_P: return AMIXER_WAVE_S; 248 case MIXER_WAVEC_P: return AMIXER_WAVE_C; 249 case MIXER_WAVER_P: return AMIXER_WAVE_R; 250 default: return NUM_CT_AMIXERS; 251 } 252 } 253 254 static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index) 255 { 256 switch (index) { 257 case AMIXER_MASTER_F: return AMIXER_MASTER_F_C; 258 case AMIXER_PCM_F: return AMIXER_PCM_F_C; 259 case AMIXER_SPDIFI: return AMIXER_SPDIFI_C; 260 case AMIXER_LINEIN: return AMIXER_LINEIN_C; 261 case AMIXER_MIC: return AMIXER_MIC_C; 262 default: return NUM_CT_AMIXERS; 263 } 264 } 265 266 static unsigned char 267 get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type) 268 { 269 return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START))) 270 ? 1 : 0; 271 } 272 273 static void 274 set_switch_state(struct ct_mixer *mixer, 275 enum CTALSA_MIXER_CTL type, unsigned char state) 276 { 277 if (state) 278 mixer->switch_state |= (0x1 << (type - SWH_MIXER_START)); 279 else 280 mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START)); 281 } 282 283 #if 0 /* not used */ 284 /* Map integer value ranging from 0 to 65535 to 14-bit float value ranging 285 * from 2^-6 to (1+1023/1024) */ 286 static unsigned int uint16_to_float14(unsigned int x) 287 { 288 unsigned int i; 289 290 if (x < 17) 291 return 0; 292 293 x *= 2031; 294 x /= 65535; 295 x += 16; 296 297 /* i <= 6 */ 298 for (i = 0; !(x & 0x400); i++) 299 x <<= 1; 300 301 x = (((7 - i) & 0x7) << 10) | (x & 0x3ff); 302 303 return x; 304 } 305 306 static unsigned int float14_to_uint16(unsigned int x) 307 { 308 unsigned int e; 309 310 if (!x) 311 return x; 312 313 e = (x >> 10) & 0x7; 314 x &= 0x3ff; 315 x += 1024; 316 x >>= (7 - e); 317 x -= 16; 318 x *= 65535; 319 x /= 2031; 320 321 return x; 322 } 323 #endif /* not used */ 324 325 #define VOL_SCALE 0x1c 326 #define VOL_MAX 0x100 327 328 static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1); 329 330 static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol, 331 struct snd_ctl_elem_info *uinfo) 332 { 333 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 334 uinfo->count = 2; 335 uinfo->value.integer.min = 0; 336 uinfo->value.integer.max = VOL_MAX; 337 338 return 0; 339 } 340 341 static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol, 342 struct snd_ctl_elem_value *ucontrol) 343 { 344 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 345 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 346 struct amixer *amixer; 347 int i, val; 348 349 for (i = 0; i < 2; i++) { 350 amixer = ((struct ct_mixer *)atc->mixer)-> 351 amixers[type*CHN_NUM+i]; 352 val = amixer->ops->get_scale(amixer) / VOL_SCALE; 353 if (val < 0) 354 val = 0; 355 else if (val > VOL_MAX) 356 val = VOL_MAX; 357 ucontrol->value.integer.value[i] = val; 358 } 359 360 return 0; 361 } 362 363 static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol, 364 struct snd_ctl_elem_value *ucontrol) 365 { 366 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 367 struct ct_mixer *mixer = atc->mixer; 368 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value); 369 struct amixer *amixer; 370 int i, j, val, oval, change = 0; 371 372 for (i = 0; i < 2; i++) { 373 val = ucontrol->value.integer.value[i]; 374 if (val < 0) 375 val = 0; 376 else if (val > VOL_MAX) 377 val = VOL_MAX; 378 val *= VOL_SCALE; 379 amixer = mixer->amixers[type*CHN_NUM+i]; 380 oval = amixer->ops->get_scale(amixer); 381 if (val != oval) { 382 amixer->ops->set_scale(amixer, val); 383 amixer->ops->commit_write(amixer); 384 change = 1; 385 /* Synchronize Master/PCM playback AMIXERs. */ 386 if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) { 387 for (j = 1; j < 4; j++) { 388 amixer = mixer-> 389 amixers[(type+j)*CHN_NUM+i]; 390 amixer->ops->set_scale(amixer, val); 391 amixer->ops->commit_write(amixer); 392 } 393 } 394 } 395 } 396 397 return change; 398 } 399 400 static struct snd_kcontrol_new vol_ctl = { 401 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 402 SNDRV_CTL_ELEM_ACCESS_TLV_READ, 403 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 404 .info = ct_alsa_mix_volume_info, 405 .get = ct_alsa_mix_volume_get, 406 .put = ct_alsa_mix_volume_put, 407 .tlv = { .p = ct_vol_db_scale }, 408 }; 409 410 static int output_switch_info(struct snd_kcontrol *kcontrol, 411 struct snd_ctl_elem_info *info) 412 { 413 static const char *const names[3] = { 414 "FP Headphones", "Headphones", "Speakers" 415 }; 416 417 return snd_ctl_enum_info(info, 1, 3, names); 418 } 419 420 static int output_switch_get(struct snd_kcontrol *kcontrol, 421 struct snd_ctl_elem_value *ucontrol) 422 { 423 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 424 ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc); 425 return 0; 426 } 427 428 static int output_switch_put(struct snd_kcontrol *kcontrol, 429 struct snd_ctl_elem_value *ucontrol) 430 { 431 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 432 if (ucontrol->value.enumerated.item[0] > 2) 433 return -EINVAL; 434 return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]); 435 } 436 437 static struct snd_kcontrol_new output_ctl = { 438 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 439 .name = "Analog Output Playback Enum", 440 .info = output_switch_info, 441 .get = output_switch_get, 442 .put = output_switch_put, 443 }; 444 445 static int mic_source_switch_info(struct snd_kcontrol *kcontrol, 446 struct snd_ctl_elem_info *info) 447 { 448 static const char *const names[3] = { 449 "Mic", "FP Mic", "Aux" 450 }; 451 452 return snd_ctl_enum_info(info, 1, 3, names); 453 } 454 455 static int mic_source_switch_get(struct snd_kcontrol *kcontrol, 456 struct snd_ctl_elem_value *ucontrol) 457 { 458 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 459 ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc); 460 return 0; 461 } 462 463 static int mic_source_switch_put(struct snd_kcontrol *kcontrol, 464 struct snd_ctl_elem_value *ucontrol) 465 { 466 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 467 if (ucontrol->value.enumerated.item[0] > 2) 468 return -EINVAL; 469 return atc->mic_source_switch_put(atc, 470 ucontrol->value.enumerated.item[0]); 471 } 472 473 static struct snd_kcontrol_new mic_source_ctl = { 474 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 475 .name = "Mic Source Capture Enum", 476 .info = mic_source_switch_info, 477 .get = mic_source_switch_get, 478 .put = mic_source_switch_put, 479 }; 480 481 static void 482 do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type) 483 { 484 485 if (MIXER_LINEIN_C_S == type) { 486 atc->select_line_in(atc); 487 set_switch_state(atc->mixer, MIXER_MIC_C_S, 0); 488 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 489 &kctls[1]->id); 490 } else if (MIXER_MIC_C_S == type) { 491 atc->select_mic_in(atc); 492 set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0); 493 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE, 494 &kctls[0]->id); 495 } 496 } 497 498 static void 499 do_digit_io_switch(struct ct_atc *atc, int state) 500 { 501 struct ct_mixer *mixer = atc->mixer; 502 503 if (state) { 504 atc->select_digit_io(atc); 505 atc->spdif_out_unmute(atc, 506 get_switch_state(mixer, MIXER_SPDIFO_P_S)); 507 atc->spdif_in_unmute(atc, 1); 508 atc->line_in_unmute(atc, 0); 509 return; 510 } 511 512 if (get_switch_state(mixer, MIXER_LINEIN_C_S)) 513 atc->select_line_in(atc); 514 else if (get_switch_state(mixer, MIXER_MIC_C_S)) 515 atc->select_mic_in(atc); 516 517 atc->spdif_out_unmute(atc, 0); 518 atc->spdif_in_unmute(atc, 0); 519 atc->line_in_unmute(atc, 1); 520 return; 521 } 522 523 static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state) 524 { 525 struct ct_mixer *mixer = atc->mixer; 526 struct capabilities cap = atc->capabilities(atc); 527 528 /* Do changes in mixer. */ 529 if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) { 530 if (state) { 531 ct_mixer_recording_select(mixer, 532 get_amixer_index(type)); 533 } else { 534 ct_mixer_recording_unselect(mixer, 535 get_amixer_index(type)); 536 } 537 } 538 /* Do changes out of mixer. */ 539 if (!cap.dedicated_mic && 540 (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) { 541 if (state) 542 do_line_mic_switch(atc, type); 543 atc->line_in_unmute(atc, state); 544 } else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type)) 545 atc->line_in_unmute(atc, state); 546 else if (cap.dedicated_mic && (MIXER_MIC_C_S == type)) 547 atc->mic_unmute(atc, state); 548 else if (MIXER_SPDIFI_C_S == type) 549 atc->spdif_in_unmute(atc, state); 550 else if (MIXER_WAVEF_P_S == type) { 551 if (cap.dedicated_rca) { 552 atc->rca_unmute(atc, atc->rca_state ? 0 : state); 553 atc->line_front_unmute(atc, atc->rca_state ? state : 0); 554 } else { 555 atc->line_front_unmute(atc, state); 556 } 557 } 558 else if (MIXER_WAVES_P_S == type) 559 atc->line_surround_unmute(atc, state); 560 else if (MIXER_WAVEC_P_S == type) 561 atc->line_clfe_unmute(atc, state); 562 else if (MIXER_WAVER_P_S == type) 563 atc->line_rear_unmute(atc, state); 564 else if (MIXER_SPDIFO_P_S == type) 565 atc->spdif_out_unmute(atc, state); 566 else if (MIXER_DIGITAL_IO_S == type) 567 do_digit_io_switch(atc, state); 568 569 return; 570 } 571 572 static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol, 573 struct snd_ctl_elem_info *uinfo) 574 { 575 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 576 uinfo->count = 1; 577 uinfo->value.integer.min = 0; 578 uinfo->value.integer.max = 1; 579 uinfo->value.integer.step = 1; 580 581 return 0; 582 } 583 584 static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol, 585 struct snd_ctl_elem_value *ucontrol) 586 { 587 struct ct_mixer *mixer = 588 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer; 589 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 590 591 ucontrol->value.integer.value[0] = get_switch_state(mixer, type); 592 return 0; 593 } 594 595 static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol, 596 struct snd_ctl_elem_value *ucontrol) 597 { 598 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 599 struct ct_mixer *mixer = atc->mixer; 600 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 601 int state; 602 603 state = ucontrol->value.integer.value[0]; 604 if (get_switch_state(mixer, type) == state) 605 return 0; 606 607 set_switch_state(mixer, type, state); 608 do_switch(atc, type, state); 609 610 return 1; 611 } 612 613 static struct snd_kcontrol_new swh_ctl = { 614 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 615 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 616 .info = ct_alsa_mix_switch_info, 617 .get = ct_alsa_mix_switch_get, 618 .put = ct_alsa_mix_switch_put 619 }; 620 621 static int dedicated_rca_info(struct snd_kcontrol *kcontrol, 622 struct snd_ctl_elem_info *info) 623 { 624 static const char *const names[2] = { 625 "RCA", "Front" 626 }; 627 628 return snd_ctl_enum_info(info, 1, 2, names); 629 } 630 631 static int dedicated_rca_get(struct snd_kcontrol *kcontrol, 632 struct snd_ctl_elem_value *ucontrol) 633 { 634 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 635 636 ucontrol->value.enumerated.item[0] = atc->rca_state; 637 return 0; 638 } 639 640 static int dedicated_rca_put(struct snd_kcontrol *kcontrol, 641 struct snd_ctl_elem_value *ucontrol) 642 { 643 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 644 unsigned int rca_state = ucontrol->value.enumerated.item[0]; 645 unsigned char state; 646 647 if (rca_state > 1) 648 return -EINVAL; 649 650 if (rca_state == atc->rca_state) 651 return 0; 652 653 state = get_switch_state(atc->mixer, MIXER_WAVEF_P_S); 654 do_switch(atc, MIXER_WAVEF_P_S, 0); 655 656 atc->rca_state = rca_state; 657 atc->dedicated_rca_select(atc); 658 659 do_switch(atc, MIXER_WAVEF_P_S, state); 660 661 return 1; 662 } 663 664 static struct snd_kcontrol_new rca_ctl = { 665 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 666 .name = "Analog Playback Route", 667 .info = dedicated_rca_info, 668 .get = dedicated_rca_get, 669 .put = dedicated_rca_put, 670 }; 671 672 static int ct_spdif_info(struct snd_kcontrol *kcontrol, 673 struct snd_ctl_elem_info *uinfo) 674 { 675 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 676 uinfo->count = 1; 677 return 0; 678 } 679 680 static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol, 681 struct snd_ctl_elem_value *ucontrol) 682 { 683 ucontrol->value.iec958.status[0] = 0xff; 684 ucontrol->value.iec958.status[1] = 0xff; 685 ucontrol->value.iec958.status[2] = 0xff; 686 ucontrol->value.iec958.status[3] = 0xff; 687 return 0; 688 } 689 690 static int ct_spdif_get(struct snd_kcontrol *kcontrol, 691 struct snd_ctl_elem_value *ucontrol) 692 { 693 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 694 unsigned int status; 695 696 atc->spdif_out_get_status(atc, &status); 697 698 if (status == 0) 699 status = SNDRV_PCM_DEFAULT_CON_SPDIF; 700 701 ucontrol->value.iec958.status[0] = (status >> 0) & 0xff; 702 ucontrol->value.iec958.status[1] = (status >> 8) & 0xff; 703 ucontrol->value.iec958.status[2] = (status >> 16) & 0xff; 704 ucontrol->value.iec958.status[3] = (status >> 24) & 0xff; 705 706 return 0; 707 } 708 709 static int ct_spdif_put(struct snd_kcontrol *kcontrol, 710 struct snd_ctl_elem_value *ucontrol) 711 { 712 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 713 int change; 714 unsigned int status, old_status; 715 716 status = (ucontrol->value.iec958.status[0] << 0) | 717 (ucontrol->value.iec958.status[1] << 8) | 718 (ucontrol->value.iec958.status[2] << 16) | 719 (ucontrol->value.iec958.status[3] << 24); 720 721 atc->spdif_out_get_status(atc, &old_status); 722 change = (old_status != status); 723 if (change) 724 atc->spdif_out_set_status(atc, status); 725 726 return change; 727 } 728 729 static struct snd_kcontrol_new iec958_mask_ctl = { 730 .access = SNDRV_CTL_ELEM_ACCESS_READ, 731 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 732 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), 733 .count = 1, 734 .info = ct_spdif_info, 735 .get = ct_spdif_get_mask, 736 .private_value = MIXER_IEC958_MASK 737 }; 738 739 static struct snd_kcontrol_new iec958_default_ctl = { 740 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 741 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), 742 .count = 1, 743 .info = ct_spdif_info, 744 .get = ct_spdif_get, 745 .put = ct_spdif_put, 746 .private_value = MIXER_IEC958_DEFAULT 747 }; 748 749 static struct snd_kcontrol_new iec958_ctl = { 750 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 751 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 752 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM), 753 .count = 1, 754 .info = ct_spdif_info, 755 .get = ct_spdif_get, 756 .put = ct_spdif_put, 757 .private_value = MIXER_IEC958_STREAM 758 }; 759 760 #define NUM_IEC958_CTL 3 761 762 static int 763 ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new) 764 { 765 struct snd_kcontrol *kctl; 766 int err; 767 768 kctl = snd_ctl_new1(new, mixer->atc); 769 if (!kctl) 770 return -ENOMEM; 771 772 if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface) 773 kctl->id.device = IEC958; 774 775 err = snd_ctl_add(mixer->atc->card, kctl); 776 if (err) 777 return err; 778 779 switch (new->private_value) { 780 case MIXER_LINEIN_C_S: 781 kctls[0] = kctl; break; 782 case MIXER_MIC_C_S: 783 kctls[1] = kctl; break; 784 default: 785 break; 786 } 787 788 return 0; 789 } 790 791 static int ct_mixer_kcontrols_create(struct ct_mixer *mixer) 792 { 793 enum CTALSA_MIXER_CTL type; 794 struct ct_atc *atc = mixer->atc; 795 struct capabilities cap = atc->capabilities(atc); 796 int err; 797 798 /* Create snd kcontrol instances on demand */ 799 for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) { 800 if (ct_kcontrol_init_table[type].ctl) { 801 vol_ctl.name = ct_kcontrol_init_table[type].name; 802 vol_ctl.private_value = (unsigned long)type; 803 err = ct_mixer_kcontrol_new(mixer, &vol_ctl); 804 if (err) 805 return err; 806 } 807 } 808 809 ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch; 810 811 for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) { 812 if (ct_kcontrol_init_table[type].ctl) { 813 swh_ctl.name = ct_kcontrol_init_table[type].name; 814 swh_ctl.private_value = (unsigned long)type; 815 err = ct_mixer_kcontrol_new(mixer, &swh_ctl); 816 if (err) 817 return err; 818 } 819 } 820 821 err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl); 822 if (err) 823 return err; 824 825 err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl); 826 if (err) 827 return err; 828 829 err = ct_mixer_kcontrol_new(mixer, &iec958_ctl); 830 if (err) 831 return err; 832 833 if (cap.output_switch) { 834 err = ct_mixer_kcontrol_new(mixer, &output_ctl); 835 if (err) 836 return err; 837 } 838 839 if (cap.mic_source_switch) { 840 err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl); 841 if (err) 842 return err; 843 } 844 845 if (cap.dedicated_rca) { 846 err = ct_mixer_kcontrol_new(mixer, &rca_ctl); 847 if (err) 848 return err; 849 850 atc->line_front_unmute(atc, 0); 851 atc->rca_unmute(atc, 1); 852 } else { 853 atc->line_front_unmute(atc, 1); 854 } 855 set_switch_state(mixer, MIXER_WAVEF_P_S, 1); 856 atc->line_surround_unmute(atc, 0); 857 set_switch_state(mixer, MIXER_WAVES_P_S, 0); 858 atc->line_clfe_unmute(atc, 0); 859 set_switch_state(mixer, MIXER_WAVEC_P_S, 0); 860 atc->line_rear_unmute(atc, 0); 861 set_switch_state(mixer, MIXER_WAVER_P_S, 0); 862 atc->spdif_out_unmute(atc, 0); 863 set_switch_state(mixer, MIXER_SPDIFO_P_S, 0); 864 atc->line_in_unmute(atc, 0); 865 if (cap.dedicated_mic) 866 atc->mic_unmute(atc, 0); 867 atc->spdif_in_unmute(atc, 0); 868 set_switch_state(mixer, MIXER_PCM_C_S, 0); 869 set_switch_state(mixer, MIXER_LINEIN_C_S, 0); 870 set_switch_state(mixer, MIXER_SPDIFI_C_S, 0); 871 872 return 0; 873 } 874 875 static void 876 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 877 { 878 struct amixer *amix_d; 879 struct sum *sum_c; 880 int i; 881 882 for (i = 0; i < 2; i++) { 883 amix_d = mixer->amixers[type*CHN_NUM+i]; 884 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i]; 885 amix_d->ops->set_sum(amix_d, sum_c); 886 amix_d->ops->commit_write(amix_d); 887 } 888 } 889 890 static void 891 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 892 { 893 struct amixer *amix_d; 894 int i; 895 896 for (i = 0; i < 2; i++) { 897 amix_d = mixer->amixers[type*CHN_NUM+i]; 898 amix_d->ops->set_sum(amix_d, NULL); 899 amix_d->ops->commit_write(amix_d); 900 } 901 } 902 903 static int ct_mixer_get_resources(struct ct_mixer *mixer) 904 { 905 struct sum_mgr *sum_mgr; 906 struct sum *sum; 907 struct sum_desc sum_desc = {0}; 908 struct amixer_mgr *amixer_mgr; 909 struct amixer *amixer; 910 struct amixer_desc am_desc = {0}; 911 int err; 912 int i; 913 914 /* Allocate sum resources for mixer obj */ 915 sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 916 sum_desc.msr = mixer->atc->msr; 917 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 918 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum); 919 if (err) { 920 dev_err(mixer->atc->card->dev, 921 "Failed to get sum resources for front output!\n"); 922 break; 923 } 924 mixer->sums[i] = sum; 925 } 926 if (err) 927 goto error1; 928 929 /* Allocate amixer resources for mixer obj */ 930 amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 931 am_desc.msr = mixer->atc->msr; 932 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 933 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer); 934 if (err) { 935 dev_err(mixer->atc->card->dev, 936 "Failed to get amixer resources for mixer obj!\n"); 937 break; 938 } 939 mixer->amixers[i] = amixer; 940 } 941 if (err) 942 goto error2; 943 944 return 0; 945 946 error2: 947 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 948 if (NULL != mixer->amixers[i]) { 949 amixer = mixer->amixers[i]; 950 amixer_mgr->put_amixer(amixer_mgr, amixer); 951 mixer->amixers[i] = NULL; 952 } 953 } 954 error1: 955 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 956 if (NULL != mixer->sums[i]) { 957 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 958 mixer->sums[i] = NULL; 959 } 960 } 961 962 return err; 963 } 964 965 static int ct_mixer_get_mem(struct ct_mixer **rmixer) 966 { 967 struct ct_mixer *mixer; 968 int err; 969 970 *rmixer = NULL; 971 /* Allocate mem for mixer obj */ 972 mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 973 if (!mixer) 974 return -ENOMEM; 975 976 mixer->amixers = kcalloc(NUM_CT_AMIXERS * CHN_NUM, sizeof(void *), 977 GFP_KERNEL); 978 if (!mixer->amixers) { 979 err = -ENOMEM; 980 goto error1; 981 } 982 mixer->sums = kcalloc(NUM_CT_SUMS * CHN_NUM, sizeof(void *), 983 GFP_KERNEL); 984 if (!mixer->sums) { 985 err = -ENOMEM; 986 goto error2; 987 } 988 989 *rmixer = mixer; 990 return 0; 991 992 error2: 993 kfree(mixer->amixers); 994 error1: 995 kfree(mixer); 996 return err; 997 } 998 999 static int ct_mixer_topology_build(struct ct_mixer *mixer) 1000 { 1001 struct sum *sum; 1002 struct amixer *amix_d, *amix_s; 1003 enum CT_AMIXER_CTL i, j; 1004 enum CT_SUM_CTL k; 1005 1006 /* Build topology from destination to source */ 1007 1008 /* Set up Master mixer */ 1009 for (i = AMIXER_MASTER_F, k = SUM_IN_F; 1010 i <= AMIXER_MASTER_S; i++, k++) { 1011 amix_d = mixer->amixers[i*CHN_NUM]; 1012 sum = mixer->sums[k*CHN_NUM]; 1013 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1014 amix_d = mixer->amixers[i*CHN_NUM+1]; 1015 sum = mixer->sums[k*CHN_NUM+1]; 1016 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1017 } 1018 1019 /* Set up Wave-out mixer */ 1020 for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F; 1021 i <= AMIXER_WAVE_S; i++, j++) { 1022 amix_d = mixer->amixers[i*CHN_NUM]; 1023 amix_s = mixer->amixers[j*CHN_NUM]; 1024 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1025 amix_d = mixer->amixers[i*CHN_NUM+1]; 1026 amix_s = mixer->amixers[j*CHN_NUM+1]; 1027 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1028 } 1029 1030 /* Set up S/PDIF-out mixer */ 1031 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM]; 1032 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM]; 1033 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1034 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1]; 1035 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1]; 1036 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 1037 1038 /* Set up PCM-in mixer */ 1039 for (i = AMIXER_PCM_F, k = SUM_IN_F; i <= AMIXER_PCM_S; i++, k++) { 1040 amix_d = mixer->amixers[i*CHN_NUM]; 1041 sum = mixer->sums[k*CHN_NUM]; 1042 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1043 amix_d = mixer->amixers[i*CHN_NUM+1]; 1044 sum = mixer->sums[k*CHN_NUM+1]; 1045 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1046 } 1047 1048 /* Set up Line-in mixer */ 1049 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM]; 1050 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1051 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1052 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1]; 1053 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1054 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1055 1056 /* Set up Mic-in mixer */ 1057 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM]; 1058 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1059 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1060 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1]; 1061 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1062 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1063 1064 /* Set up S/PDIF-in mixer */ 1065 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM]; 1066 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1067 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1068 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1]; 1069 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1070 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1071 1072 /* Set up Master recording mixer */ 1073 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM]; 1074 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1075 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1076 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1]; 1077 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1078 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1079 1080 /* Set up PCM-in recording mixer */ 1081 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM]; 1082 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1083 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1084 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1]; 1085 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1086 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1087 1088 /* Set up Line-in recording mixer */ 1089 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM]; 1090 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1091 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1092 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1]; 1093 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1094 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1095 1096 /* Set up Mic-in recording mixer */ 1097 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM]; 1098 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1099 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1100 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1]; 1101 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1102 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1103 1104 /* Set up S/PDIF-in recording mixer */ 1105 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM]; 1106 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1107 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1108 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1]; 1109 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1110 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1111 1112 return 0; 1113 } 1114 1115 static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc) 1116 { 1117 amixer->ops->set_input(amixer, rsc); 1118 amixer->ops->commit_write(amixer); 1119 1120 return 0; 1121 } 1122 1123 static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type) 1124 { 1125 switch (type) { 1126 case MIX_WAVE_FRONT: return AMIXER_WAVE_F; 1127 case MIX_WAVE_SURROUND: return AMIXER_WAVE_S; 1128 case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C; 1129 case MIX_WAVE_REAR: return AMIXER_WAVE_R; 1130 case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C; 1131 case MIX_SPDIF_OUT: return AMIXER_SPDIFO; 1132 case MIX_LINE_IN: return AMIXER_LINEIN; 1133 case MIX_MIC_IN: return AMIXER_MIC; 1134 case MIX_SPDIF_IN: return AMIXER_SPDIFI; 1135 case MIX_PCMI_FRONT: return AMIXER_PCM_F; 1136 case MIX_PCMI_SURROUND: return AMIXER_PCM_S; 1137 case MIX_PCMI_CENTLFE: return AMIXER_PCM_C; 1138 case MIX_PCMI_REAR: return AMIXER_PCM_R; 1139 default: return 0; 1140 } 1141 } 1142 1143 static int mixer_get_output_ports(struct ct_mixer *mixer, 1144 enum MIXER_PORT_T type, 1145 struct rsc **rleft, struct rsc **rright) 1146 { 1147 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1148 1149 if (NULL != rleft) 1150 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc; 1151 1152 if (NULL != rright) 1153 *rright = 1154 &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc; 1155 1156 return 0; 1157 } 1158 1159 static int mixer_set_input_left(struct ct_mixer *mixer, 1160 enum MIXER_PORT_T type, struct rsc *rsc) 1161 { 1162 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1163 1164 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1165 amix = get_recording_amixer(amix); 1166 if (amix < NUM_CT_AMIXERS) 1167 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1168 1169 return 0; 1170 } 1171 1172 static int 1173 mixer_set_input_right(struct ct_mixer *mixer, 1174 enum MIXER_PORT_T type, struct rsc *rsc) 1175 { 1176 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1177 1178 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1179 amix = get_recording_amixer(amix); 1180 if (amix < NUM_CT_AMIXERS) 1181 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1182 1183 return 0; 1184 } 1185 1186 #ifdef CONFIG_PM_SLEEP 1187 static int mixer_resume(struct ct_mixer *mixer) 1188 { 1189 int i, state; 1190 struct amixer *amixer; 1191 1192 /* resume topology and volume gain. */ 1193 for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) { 1194 amixer = mixer->amixers[i]; 1195 amixer->ops->commit_write(amixer); 1196 } 1197 1198 /* resume switch state. */ 1199 for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) { 1200 state = get_switch_state(mixer, i); 1201 do_switch(mixer->atc, i, state); 1202 } 1203 1204 return 0; 1205 } 1206 #endif 1207 1208 int ct_mixer_destroy(struct ct_mixer *mixer) 1209 { 1210 struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 1211 struct amixer_mgr *amixer_mgr = 1212 (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 1213 struct amixer *amixer; 1214 int i = 0; 1215 1216 /* Release amixer resources */ 1217 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 1218 if (NULL != mixer->amixers[i]) { 1219 amixer = mixer->amixers[i]; 1220 amixer_mgr->put_amixer(amixer_mgr, amixer); 1221 } 1222 } 1223 1224 /* Release sum resources */ 1225 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 1226 if (NULL != mixer->sums[i]) 1227 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 1228 } 1229 1230 /* Release mem assigned to mixer object */ 1231 kfree(mixer->sums); 1232 kfree(mixer->amixers); 1233 kfree(mixer); 1234 1235 return 0; 1236 } 1237 1238 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer) 1239 { 1240 struct ct_mixer *mixer; 1241 int err; 1242 1243 *rmixer = NULL; 1244 1245 /* Allocate mem for mixer obj */ 1246 err = ct_mixer_get_mem(&mixer); 1247 if (err) 1248 return err; 1249 1250 mixer->switch_state = 0; 1251 mixer->atc = atc; 1252 /* Set operations */ 1253 mixer->get_output_ports = mixer_get_output_ports; 1254 mixer->set_input_left = mixer_set_input_left; 1255 mixer->set_input_right = mixer_set_input_right; 1256 #ifdef CONFIG_PM_SLEEP 1257 mixer->resume = mixer_resume; 1258 #endif 1259 1260 /* Allocate chip resources for mixer obj */ 1261 err = ct_mixer_get_resources(mixer); 1262 if (err) 1263 goto error; 1264 1265 /* Build internal mixer topology */ 1266 ct_mixer_topology_build(mixer); 1267 1268 *rmixer = mixer; 1269 1270 return 0; 1271 1272 error: 1273 ct_mixer_destroy(mixer); 1274 return err; 1275 } 1276 1277 int ct_alsa_mix_create(struct ct_atc *atc, 1278 enum CTALSADEVS device, 1279 const char *device_name) 1280 { 1281 int err; 1282 1283 /* Create snd kcontrol instances on demand */ 1284 /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */ 1285 err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer); 1286 if (err) 1287 return err; 1288 1289 strscpy(atc->card->mixername, device_name); 1290 1291 return 0; 1292 } 1293