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 atc->line_front_unmute(atc, state); 552 else if (MIXER_WAVES_P_S == type) 553 atc->line_surround_unmute(atc, state); 554 else if (MIXER_WAVEC_P_S == type) 555 atc->line_clfe_unmute(atc, state); 556 else if (MIXER_WAVER_P_S == type) 557 atc->line_rear_unmute(atc, state); 558 else if (MIXER_SPDIFO_P_S == type) 559 atc->spdif_out_unmute(atc, state); 560 else if (MIXER_DIGITAL_IO_S == type) 561 do_digit_io_switch(atc, state); 562 563 return; 564 } 565 566 static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol, 567 struct snd_ctl_elem_info *uinfo) 568 { 569 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 570 uinfo->count = 1; 571 uinfo->value.integer.min = 0; 572 uinfo->value.integer.max = 1; 573 uinfo->value.integer.step = 1; 574 575 return 0; 576 } 577 578 static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol, 579 struct snd_ctl_elem_value *ucontrol) 580 { 581 struct ct_mixer *mixer = 582 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer; 583 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 584 585 ucontrol->value.integer.value[0] = get_switch_state(mixer, type); 586 return 0; 587 } 588 589 static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol, 590 struct snd_ctl_elem_value *ucontrol) 591 { 592 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 593 struct ct_mixer *mixer = atc->mixer; 594 enum CTALSA_MIXER_CTL type = kcontrol->private_value; 595 int state; 596 597 state = ucontrol->value.integer.value[0]; 598 if (get_switch_state(mixer, type) == state) 599 return 0; 600 601 set_switch_state(mixer, type, state); 602 do_switch(atc, type, state); 603 604 return 1; 605 } 606 607 static struct snd_kcontrol_new swh_ctl = { 608 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 609 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 610 .info = ct_alsa_mix_switch_info, 611 .get = ct_alsa_mix_switch_get, 612 .put = ct_alsa_mix_switch_put 613 }; 614 615 static int ct_spdif_info(struct snd_kcontrol *kcontrol, 616 struct snd_ctl_elem_info *uinfo) 617 { 618 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 619 uinfo->count = 1; 620 return 0; 621 } 622 623 static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol, 624 struct snd_ctl_elem_value *ucontrol) 625 { 626 ucontrol->value.iec958.status[0] = 0xff; 627 ucontrol->value.iec958.status[1] = 0xff; 628 ucontrol->value.iec958.status[2] = 0xff; 629 ucontrol->value.iec958.status[3] = 0xff; 630 return 0; 631 } 632 633 static int ct_spdif_get(struct snd_kcontrol *kcontrol, 634 struct snd_ctl_elem_value *ucontrol) 635 { 636 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 637 unsigned int status; 638 639 atc->spdif_out_get_status(atc, &status); 640 641 if (status == 0) 642 status = SNDRV_PCM_DEFAULT_CON_SPDIF; 643 644 ucontrol->value.iec958.status[0] = (status >> 0) & 0xff; 645 ucontrol->value.iec958.status[1] = (status >> 8) & 0xff; 646 ucontrol->value.iec958.status[2] = (status >> 16) & 0xff; 647 ucontrol->value.iec958.status[3] = (status >> 24) & 0xff; 648 649 return 0; 650 } 651 652 static int ct_spdif_put(struct snd_kcontrol *kcontrol, 653 struct snd_ctl_elem_value *ucontrol) 654 { 655 struct ct_atc *atc = snd_kcontrol_chip(kcontrol); 656 int change; 657 unsigned int status, old_status; 658 659 status = (ucontrol->value.iec958.status[0] << 0) | 660 (ucontrol->value.iec958.status[1] << 8) | 661 (ucontrol->value.iec958.status[2] << 16) | 662 (ucontrol->value.iec958.status[3] << 24); 663 664 atc->spdif_out_get_status(atc, &old_status); 665 change = (old_status != status); 666 if (change) 667 atc->spdif_out_set_status(atc, status); 668 669 return change; 670 } 671 672 static struct snd_kcontrol_new iec958_mask_ctl = { 673 .access = SNDRV_CTL_ELEM_ACCESS_READ, 674 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 675 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK), 676 .count = 1, 677 .info = ct_spdif_info, 678 .get = ct_spdif_get_mask, 679 .private_value = MIXER_IEC958_MASK 680 }; 681 682 static struct snd_kcontrol_new iec958_default_ctl = { 683 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 684 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), 685 .count = 1, 686 .info = ct_spdif_info, 687 .get = ct_spdif_get, 688 .put = ct_spdif_put, 689 .private_value = MIXER_IEC958_DEFAULT 690 }; 691 692 static struct snd_kcontrol_new iec958_ctl = { 693 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, 694 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 695 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM), 696 .count = 1, 697 .info = ct_spdif_info, 698 .get = ct_spdif_get, 699 .put = ct_spdif_put, 700 .private_value = MIXER_IEC958_STREAM 701 }; 702 703 #define NUM_IEC958_CTL 3 704 705 static int 706 ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new) 707 { 708 struct snd_kcontrol *kctl; 709 int err; 710 711 kctl = snd_ctl_new1(new, mixer->atc); 712 if (!kctl) 713 return -ENOMEM; 714 715 if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface) 716 kctl->id.device = IEC958; 717 718 err = snd_ctl_add(mixer->atc->card, kctl); 719 if (err) 720 return err; 721 722 switch (new->private_value) { 723 case MIXER_LINEIN_C_S: 724 kctls[0] = kctl; break; 725 case MIXER_MIC_C_S: 726 kctls[1] = kctl; break; 727 default: 728 break; 729 } 730 731 return 0; 732 } 733 734 static int ct_mixer_kcontrols_create(struct ct_mixer *mixer) 735 { 736 enum CTALSA_MIXER_CTL type; 737 struct ct_atc *atc = mixer->atc; 738 struct capabilities cap = atc->capabilities(atc); 739 int err; 740 741 /* Create snd kcontrol instances on demand */ 742 for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) { 743 if (ct_kcontrol_init_table[type].ctl) { 744 vol_ctl.name = ct_kcontrol_init_table[type].name; 745 vol_ctl.private_value = (unsigned long)type; 746 err = ct_mixer_kcontrol_new(mixer, &vol_ctl); 747 if (err) 748 return err; 749 } 750 } 751 752 ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch; 753 754 for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) { 755 if (ct_kcontrol_init_table[type].ctl) { 756 swh_ctl.name = ct_kcontrol_init_table[type].name; 757 swh_ctl.private_value = (unsigned long)type; 758 err = ct_mixer_kcontrol_new(mixer, &swh_ctl); 759 if (err) 760 return err; 761 } 762 } 763 764 err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl); 765 if (err) 766 return err; 767 768 err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl); 769 if (err) 770 return err; 771 772 err = ct_mixer_kcontrol_new(mixer, &iec958_ctl); 773 if (err) 774 return err; 775 776 if (cap.output_switch) { 777 err = ct_mixer_kcontrol_new(mixer, &output_ctl); 778 if (err) 779 return err; 780 } 781 782 if (cap.mic_source_switch) { 783 err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl); 784 if (err) 785 return err; 786 } 787 atc->line_front_unmute(atc, 1); 788 set_switch_state(mixer, MIXER_WAVEF_P_S, 1); 789 atc->line_surround_unmute(atc, 0); 790 set_switch_state(mixer, MIXER_WAVES_P_S, 0); 791 atc->line_clfe_unmute(atc, 0); 792 set_switch_state(mixer, MIXER_WAVEC_P_S, 0); 793 atc->line_rear_unmute(atc, 0); 794 set_switch_state(mixer, MIXER_WAVER_P_S, 0); 795 atc->spdif_out_unmute(atc, 0); 796 set_switch_state(mixer, MIXER_SPDIFO_P_S, 0); 797 atc->line_in_unmute(atc, 0); 798 if (cap.dedicated_mic) 799 atc->mic_unmute(atc, 0); 800 atc->spdif_in_unmute(atc, 0); 801 set_switch_state(mixer, MIXER_PCM_C_S, 0); 802 set_switch_state(mixer, MIXER_LINEIN_C_S, 0); 803 set_switch_state(mixer, MIXER_SPDIFI_C_S, 0); 804 805 return 0; 806 } 807 808 static void 809 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 810 { 811 struct amixer *amix_d; 812 struct sum *sum_c; 813 int i; 814 815 for (i = 0; i < 2; i++) { 816 amix_d = mixer->amixers[type*CHN_NUM+i]; 817 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i]; 818 amix_d->ops->set_sum(amix_d, sum_c); 819 amix_d->ops->commit_write(amix_d); 820 } 821 } 822 823 static void 824 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type) 825 { 826 struct amixer *amix_d; 827 int i; 828 829 for (i = 0; i < 2; i++) { 830 amix_d = mixer->amixers[type*CHN_NUM+i]; 831 amix_d->ops->set_sum(amix_d, NULL); 832 amix_d->ops->commit_write(amix_d); 833 } 834 } 835 836 static int ct_mixer_get_resources(struct ct_mixer *mixer) 837 { 838 struct sum_mgr *sum_mgr; 839 struct sum *sum; 840 struct sum_desc sum_desc = {0}; 841 struct amixer_mgr *amixer_mgr; 842 struct amixer *amixer; 843 struct amixer_desc am_desc = {0}; 844 int err; 845 int i; 846 847 /* Allocate sum resources for mixer obj */ 848 sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 849 sum_desc.msr = mixer->atc->msr; 850 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 851 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum); 852 if (err) { 853 dev_err(mixer->atc->card->dev, 854 "Failed to get sum resources for front output!\n"); 855 break; 856 } 857 mixer->sums[i] = sum; 858 } 859 if (err) 860 goto error1; 861 862 /* Allocate amixer resources for mixer obj */ 863 amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 864 am_desc.msr = mixer->atc->msr; 865 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 866 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer); 867 if (err) { 868 dev_err(mixer->atc->card->dev, 869 "Failed to get amixer resources for mixer obj!\n"); 870 break; 871 } 872 mixer->amixers[i] = amixer; 873 } 874 if (err) 875 goto error2; 876 877 return 0; 878 879 error2: 880 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 881 if (NULL != mixer->amixers[i]) { 882 amixer = mixer->amixers[i]; 883 amixer_mgr->put_amixer(amixer_mgr, amixer); 884 mixer->amixers[i] = NULL; 885 } 886 } 887 error1: 888 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 889 if (NULL != mixer->sums[i]) { 890 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 891 mixer->sums[i] = NULL; 892 } 893 } 894 895 return err; 896 } 897 898 static int ct_mixer_get_mem(struct ct_mixer **rmixer) 899 { 900 struct ct_mixer *mixer; 901 int err; 902 903 *rmixer = NULL; 904 /* Allocate mem for mixer obj */ 905 mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 906 if (!mixer) 907 return -ENOMEM; 908 909 mixer->amixers = kcalloc(NUM_CT_AMIXERS * CHN_NUM, sizeof(void *), 910 GFP_KERNEL); 911 if (!mixer->amixers) { 912 err = -ENOMEM; 913 goto error1; 914 } 915 mixer->sums = kcalloc(NUM_CT_SUMS * CHN_NUM, sizeof(void *), 916 GFP_KERNEL); 917 if (!mixer->sums) { 918 err = -ENOMEM; 919 goto error2; 920 } 921 922 *rmixer = mixer; 923 return 0; 924 925 error2: 926 kfree(mixer->amixers); 927 error1: 928 kfree(mixer); 929 return err; 930 } 931 932 static int ct_mixer_topology_build(struct ct_mixer *mixer) 933 { 934 struct sum *sum; 935 struct amixer *amix_d, *amix_s; 936 enum CT_AMIXER_CTL i, j; 937 enum CT_SUM_CTL k; 938 939 /* Build topology from destination to source */ 940 941 /* Set up Master mixer */ 942 for (i = AMIXER_MASTER_F, k = SUM_IN_F; 943 i <= AMIXER_MASTER_S; i++, k++) { 944 amix_d = mixer->amixers[i*CHN_NUM]; 945 sum = mixer->sums[k*CHN_NUM]; 946 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 947 amix_d = mixer->amixers[i*CHN_NUM+1]; 948 sum = mixer->sums[k*CHN_NUM+1]; 949 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 950 } 951 952 /* Set up Wave-out mixer */ 953 for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F; 954 i <= AMIXER_WAVE_S; i++, j++) { 955 amix_d = mixer->amixers[i*CHN_NUM]; 956 amix_s = mixer->amixers[j*CHN_NUM]; 957 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 958 amix_d = mixer->amixers[i*CHN_NUM+1]; 959 amix_s = mixer->amixers[j*CHN_NUM+1]; 960 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 961 } 962 963 /* Set up S/PDIF-out mixer */ 964 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM]; 965 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM]; 966 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 967 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1]; 968 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1]; 969 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL); 970 971 /* Set up PCM-in mixer */ 972 for (i = AMIXER_PCM_F, k = SUM_IN_F; i <= AMIXER_PCM_S; i++, k++) { 973 amix_d = mixer->amixers[i*CHN_NUM]; 974 sum = mixer->sums[k*CHN_NUM]; 975 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 976 amix_d = mixer->amixers[i*CHN_NUM+1]; 977 sum = mixer->sums[k*CHN_NUM+1]; 978 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 979 } 980 981 /* Set up Line-in mixer */ 982 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM]; 983 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 984 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 985 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1]; 986 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 987 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 988 989 /* Set up Mic-in mixer */ 990 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM]; 991 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 992 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 993 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1]; 994 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 995 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 996 997 /* Set up S/PDIF-in mixer */ 998 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM]; 999 sum = mixer->sums[SUM_IN_F*CHN_NUM]; 1000 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1001 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1]; 1002 sum = mixer->sums[SUM_IN_F*CHN_NUM+1]; 1003 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1004 1005 /* Set up Master recording mixer */ 1006 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM]; 1007 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1008 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1009 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1]; 1010 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1011 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL); 1012 1013 /* Set up PCM-in recording mixer */ 1014 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM]; 1015 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1016 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1017 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1]; 1018 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1019 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1020 1021 /* Set up Line-in recording mixer */ 1022 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM]; 1023 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1024 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1025 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1]; 1026 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1027 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1028 1029 /* Set up Mic-in recording mixer */ 1030 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM]; 1031 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1032 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1033 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1]; 1034 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1035 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1036 1037 /* Set up S/PDIF-in recording mixer */ 1038 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM]; 1039 sum = mixer->sums[SUM_IN_F_C*CHN_NUM]; 1040 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1041 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1]; 1042 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1]; 1043 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum); 1044 1045 return 0; 1046 } 1047 1048 static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc) 1049 { 1050 amixer->ops->set_input(amixer, rsc); 1051 amixer->ops->commit_write(amixer); 1052 1053 return 0; 1054 } 1055 1056 static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type) 1057 { 1058 switch (type) { 1059 case MIX_WAVE_FRONT: return AMIXER_WAVE_F; 1060 case MIX_WAVE_SURROUND: return AMIXER_WAVE_S; 1061 case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C; 1062 case MIX_WAVE_REAR: return AMIXER_WAVE_R; 1063 case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C; 1064 case MIX_SPDIF_OUT: return AMIXER_SPDIFO; 1065 case MIX_LINE_IN: return AMIXER_LINEIN; 1066 case MIX_MIC_IN: return AMIXER_MIC; 1067 case MIX_SPDIF_IN: return AMIXER_SPDIFI; 1068 case MIX_PCMI_FRONT: return AMIXER_PCM_F; 1069 case MIX_PCMI_SURROUND: return AMIXER_PCM_S; 1070 case MIX_PCMI_CENTLFE: return AMIXER_PCM_C; 1071 case MIX_PCMI_REAR: return AMIXER_PCM_R; 1072 default: return 0; 1073 } 1074 } 1075 1076 static int mixer_get_output_ports(struct ct_mixer *mixer, 1077 enum MIXER_PORT_T type, 1078 struct rsc **rleft, struct rsc **rright) 1079 { 1080 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1081 1082 if (NULL != rleft) 1083 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc; 1084 1085 if (NULL != rright) 1086 *rright = 1087 &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc; 1088 1089 return 0; 1090 } 1091 1092 static int mixer_set_input_left(struct ct_mixer *mixer, 1093 enum MIXER_PORT_T type, struct rsc *rsc) 1094 { 1095 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1096 1097 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1098 amix = get_recording_amixer(amix); 1099 if (amix < NUM_CT_AMIXERS) 1100 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc); 1101 1102 return 0; 1103 } 1104 1105 static int 1106 mixer_set_input_right(struct ct_mixer *mixer, 1107 enum MIXER_PORT_T type, struct rsc *rsc) 1108 { 1109 enum CT_AMIXER_CTL amix = port_to_amixer(type); 1110 1111 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1112 amix = get_recording_amixer(amix); 1113 if (amix < NUM_CT_AMIXERS) 1114 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc); 1115 1116 return 0; 1117 } 1118 1119 #ifdef CONFIG_PM_SLEEP 1120 static int mixer_resume(struct ct_mixer *mixer) 1121 { 1122 int i, state; 1123 struct amixer *amixer; 1124 1125 /* resume topology and volume gain. */ 1126 for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) { 1127 amixer = mixer->amixers[i]; 1128 amixer->ops->commit_write(amixer); 1129 } 1130 1131 /* resume switch state. */ 1132 for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) { 1133 state = get_switch_state(mixer, i); 1134 do_switch(mixer->atc, i, state); 1135 } 1136 1137 return 0; 1138 } 1139 #endif 1140 1141 int ct_mixer_destroy(struct ct_mixer *mixer) 1142 { 1143 struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM]; 1144 struct amixer_mgr *amixer_mgr = 1145 (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER]; 1146 struct amixer *amixer; 1147 int i = 0; 1148 1149 /* Release amixer resources */ 1150 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) { 1151 if (NULL != mixer->amixers[i]) { 1152 amixer = mixer->amixers[i]; 1153 amixer_mgr->put_amixer(amixer_mgr, amixer); 1154 } 1155 } 1156 1157 /* Release sum resources */ 1158 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) { 1159 if (NULL != mixer->sums[i]) 1160 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]); 1161 } 1162 1163 /* Release mem assigned to mixer object */ 1164 kfree(mixer->sums); 1165 kfree(mixer->amixers); 1166 kfree(mixer); 1167 1168 return 0; 1169 } 1170 1171 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer) 1172 { 1173 struct ct_mixer *mixer; 1174 int err; 1175 1176 *rmixer = NULL; 1177 1178 /* Allocate mem for mixer obj */ 1179 err = ct_mixer_get_mem(&mixer); 1180 if (err) 1181 return err; 1182 1183 mixer->switch_state = 0; 1184 mixer->atc = atc; 1185 /* Set operations */ 1186 mixer->get_output_ports = mixer_get_output_ports; 1187 mixer->set_input_left = mixer_set_input_left; 1188 mixer->set_input_right = mixer_set_input_right; 1189 #ifdef CONFIG_PM_SLEEP 1190 mixer->resume = mixer_resume; 1191 #endif 1192 1193 /* Allocate chip resources for mixer obj */ 1194 err = ct_mixer_get_resources(mixer); 1195 if (err) 1196 goto error; 1197 1198 /* Build internal mixer topology */ 1199 ct_mixer_topology_build(mixer); 1200 1201 *rmixer = mixer; 1202 1203 return 0; 1204 1205 error: 1206 ct_mixer_destroy(mixer); 1207 return err; 1208 } 1209 1210 int ct_alsa_mix_create(struct ct_atc *atc, 1211 enum CTALSADEVS device, 1212 const char *device_name) 1213 { 1214 int err; 1215 1216 /* Create snd kcontrol instances on demand */ 1217 /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */ 1218 err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer); 1219 if (err) 1220 return err; 1221 1222 strcpy(atc->card->mixername, device_name); 1223 1224 return 0; 1225 } 1226