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