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
get_amixer_index(enum CTALSA_MIXER_CTL alsa_index)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
get_recording_amixer(enum CT_AMIXER_CTL index)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
get_switch_state(struct ct_mixer * mixer,enum CTALSA_MIXER_CTL type)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
set_switch_state(struct ct_mixer * mixer,enum CTALSA_MIXER_CTL type,unsigned char state)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
ct_alsa_mix_volume_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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
ct_alsa_mix_volume_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
ct_alsa_mix_volume_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
output_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * info)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
output_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
output_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
mic_source_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * info)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
mic_source_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
mic_source_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
do_line_mic_switch(struct ct_atc * atc,enum CTALSA_MIXER_CTL type)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
do_digit_io_switch(struct ct_atc * atc,int state)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
do_switch(struct ct_atc * atc,enum CTALSA_MIXER_CTL type,int state)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
ct_alsa_mix_switch_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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
ct_alsa_mix_switch_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
ct_alsa_mix_switch_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
ct_spdif_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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
ct_spdif_get_mask(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
ct_spdif_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
ct_spdif_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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
ct_mixer_kcontrol_new(struct ct_mixer * mixer,struct snd_kcontrol_new * new)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
ct_mixer_kcontrols_create(struct ct_mixer * mixer)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
ct_mixer_recording_select(struct ct_mixer * mixer,enum CT_AMIXER_CTL type)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
ct_mixer_recording_unselect(struct ct_mixer * mixer,enum CT_AMIXER_CTL type)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
ct_mixer_get_resources(struct ct_mixer * mixer)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
ct_mixer_get_mem(struct ct_mixer ** rmixer)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
ct_mixer_topology_build(struct ct_mixer * mixer)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
mixer_set_input_port(struct amixer * amixer,struct rsc * rsc)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
port_to_amixer(enum MIXER_PORT_T type)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
mixer_get_output_ports(struct ct_mixer * mixer,enum MIXER_PORT_T type,struct rsc ** rleft,struct rsc ** rright)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
mixer_set_input_left(struct ct_mixer * mixer,enum MIXER_PORT_T type,struct rsc * rsc)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
mixer_set_input_right(struct ct_mixer * mixer,enum MIXER_PORT_T type,struct rsc * rsc)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
mixer_resume(struct ct_mixer * mixer)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
ct_mixer_destroy(struct ct_mixer * mixer)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
ct_mixer_create(struct ct_atc * atc,struct ct_mixer ** rmixer)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
ct_alsa_mix_create(struct ct_atc * atc,enum CTALSADEVS device,const char * device_name)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
