?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Add linux-next specific files for 20110615
[linux-2.6/next.git] / sound / pci / ctxfi / ctmixer.c
blob0cc13eeef8da7ee04125f32005393bdbe95df821
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_SPDIFO_P_S,
90 MIXER_WAVEF_P_S,
91 MIXER_WAVER_P_S,
92 MIXER_WAVEC_P_S,
93 MIXER_WAVES_P_S,
94 MIXER_DIGITAL_IO_S,
95 MIXER_IEC958_MASK,
96 MIXER_IEC958_DEFAULT,
97 MIXER_IEC958_STREAM,
98
99 /* this should always be the last one */
100 NUM_CTALSA_MIXERS
101 };
102
103 #define VOL_MIXER_START MIXER_MASTER_P
104 #define VOL_MIXER_END MIXER_SPDIFI_C
105 #define VOL_MIXER_NUM (VOL_MIXER_END - VOL_MIXER_START + 1)
106 #define SWH_MIXER_START MIXER_PCM_C_S
107 #define SWH_MIXER_END MIXER_DIGITAL_IO_S
108 #define SWH_CAPTURE_START MIXER_PCM_C_S
109 #define SWH_CAPTURE_END MIXER_SPDIFI_C_S
110
111 #define CHN_NUM 2
112
113 struct ct_kcontrol_init {
114 unsigned char ctl;
115 char *name;
116 };
117
118 static struct ct_kcontrol_init
119 ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = {
120 [MIXER_MASTER_P] = {
121 .ctl = 1,
122 .name = "Master Playback Volume",
123 },
124 [MIXER_MASTER_C] = {
125 .ctl = 1,
126 .name = "Master Capture Volume",
127 },
128 [MIXER_PCM_P] = {
129 .ctl = 1,
130 .name = "PCM Playback Volume",
131 },
132 [MIXER_PCM_C] = {
133 .ctl = 1,
134 .name = "PCM Capture Volume",
135 },
136 [MIXER_LINEIN_P] = {
137 .ctl = 1,
138 .name = "Line Playback Volume",
139 },
140 [MIXER_LINEIN_C] = {
141 .ctl = 1,
142 .name = "Line Capture Volume",
143 },
144 [MIXER_MIC_P] = {
145 .ctl = 1,
146 .name = "Mic Playback Volume",
147 },
148 [MIXER_MIC_C] = {
149 .ctl = 1,
150 .name = "Mic Capture Volume",
151 },
152 [MIXER_SPDIFI_P] = {
153 .ctl = 1,
154 .name = "IEC958 Playback Volume",
155 },
156 [MIXER_SPDIFI_C] = {
157 .ctl = 1,
158 .name = "IEC958 Capture Volume",
159 },
160 [MIXER_SPDIFO_P] = {
161 .ctl = 1,
162 .name = "Digital Playback Volume",
163 },
164 [MIXER_WAVEF_P] = {
165 .ctl = 1,
166 .name = "Front Playback Volume",
167 },
168 [MIXER_WAVES_P] = {
169 .ctl = 1,
170 .name = "Side Playback Volume",
171 },
172 [MIXER_WAVEC_P] = {
173 .ctl = 1,
174 .name = "Center/LFE Playback Volume",
175 },
176 [MIXER_WAVER_P] = {
177 .ctl = 1,
178 .name = "Surround Playback Volume",
179 },
180 [MIXER_PCM_C_S] = {
181 .ctl = 1,
182 .name = "PCM Capture Switch",
183 },
184 [MIXER_LINEIN_C_S] = {
185 .ctl = 1,
186 .name = "Line Capture Switch",
187 },
188 [MIXER_MIC_C_S] = {
189 .ctl = 1,
190 .name = "Mic Capture Switch",
191 },
192 [MIXER_SPDIFI_C_S] = {
193 .ctl = 1,
194 .name = "IEC958 Capture Switch",
195 },
196 [MIXER_SPDIFO_P_S] = {
197 .ctl = 1,
198 .name = "Digital Playback Switch",
199 },
200 [MIXER_WAVEF_P_S] = {
201 .ctl = 1,
202 .name = "Front Playback Switch",
203 },
204 [MIXER_WAVES_P_S] = {
205 .ctl = 1,
206 .name = "Side Playback Switch",
207 },
208 [MIXER_WAVEC_P_S] = {
209 .ctl = 1,
210 .name = "Center/LFE Playback Switch",
211 },
212 [MIXER_WAVER_P_S] = {
213 .ctl = 1,
214 .name = "Surround Playback Switch",
215 },
216 [MIXER_DIGITAL_IO_S] = {
217 .ctl = 0,
218 .name = "Digit-IO Playback Switch",
219 },
220 };
221
222 static void
223 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
224
225 static void
226 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
227
228 /* FIXME: this static looks like it would fail if more than one card was */
229 /* installed. */
230 static struct snd_kcontrol *kctls[2] = {NULL};
231
232 static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index)
233 {
234 switch (alsa_index) {
235 case MIXER_MASTER_P: return AMIXER_MASTER_F;
236 case MIXER_MASTER_C: return AMIXER_MASTER_F_C;
237 case MIXER_PCM_P: return AMIXER_PCM_F;
238 case MIXER_PCM_C:
239 case MIXER_PCM_C_S: return AMIXER_PCM_F_C;
240 case MIXER_LINEIN_P: return AMIXER_LINEIN;
241 case MIXER_LINEIN_C:
242 case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C;
243 case MIXER_MIC_P: return AMIXER_MIC;
244 case MIXER_MIC_C:
245 case MIXER_MIC_C_S: return AMIXER_MIC_C;
246 case MIXER_SPDIFI_P: return AMIXER_SPDIFI;
247 case MIXER_SPDIFI_C:
248 case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C;
249 case MIXER_SPDIFO_P: return AMIXER_SPDIFO;
250 case MIXER_WAVEF_P: return AMIXER_WAVE_F;
251 case MIXER_WAVES_P: return AMIXER_WAVE_S;
252 case MIXER_WAVEC_P: return AMIXER_WAVE_C;
253 case MIXER_WAVER_P: return AMIXER_WAVE_R;
254 default: return NUM_CT_AMIXERS;
255 }
256 }
257
258 static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index)
259 {
260 switch (index) {
261 case AMIXER_MASTER_F: return AMIXER_MASTER_F_C;
262 case AMIXER_PCM_F: return AMIXER_PCM_F_C;
263 case AMIXER_SPDIFI: return AMIXER_SPDIFI_C;
264 case AMIXER_LINEIN: return AMIXER_LINEIN_C;
265 case AMIXER_MIC: return AMIXER_MIC_C;
266 default: return NUM_CT_AMIXERS;
267 }
268 }
269
270 static unsigned char
271 get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type)
272 {
273 return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START)))
274 ? 1 : 0;
275 }
276
277 static void
278 set_switch_state(struct ct_mixer *mixer,
279 enum CTALSA_MIXER_CTL type, unsigned char state)
280 {
281 if (state)
282 mixer->switch_state |= (0x1 << (type - SWH_MIXER_START));
283 else
284 mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START));
285 }
286
287 #if 0 /* not used */
288 /* Map integer value ranging from 0 to 65535 to 14-bit float value ranging
289 * from 2^-6 to (1+1023/1024) */
290 static unsigned int uint16_to_float14(unsigned int x)
291 {
292 unsigned int i;
293
294 if (x < 17)
295 return 0;
296
297 x *= 2031;
298 x /= 65535;
299 x += 16;
300
301 /* i <= 6 */
302 for (i = 0; !(x & 0x400); i++)
303 x <<= 1;
304
305 x = (((7 - i) & 0x7) << 10) | (x & 0x3ff);
306
307 return x;
308 }
309
310 static unsigned int float14_to_uint16(unsigned int x)
311 {
312 unsigned int e;
313
314 if (!x)
315 return x;
316
317 e = (x >> 10) & 0x7;
318 x &= 0x3ff;
319 x += 1024;
320 x >>= (7 - e);
321 x -= 16;
322 x *= 65535;
323 x /= 2031;
324
325 return x;
326 }
327 #endif /* not used */
328
329 #define VOL_SCALE 0x1c
330 #define VOL_MAX 0x100
331
332 static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1);
333
334 static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol,
335 struct snd_ctl_elem_info *uinfo)
336 {
337 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
338 uinfo->count = 2;
339 uinfo->value.integer.min = 0;
340 uinfo->value.integer.max = VOL_MAX;
341
342 return 0;
343 }
344
345 static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol,
346 struct snd_ctl_elem_value *ucontrol)
347 {
348 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
349 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
350 struct amixer *amixer;
351 int i, val;
352
353 for (i = 0; i < 2; i++) {
354 amixer = ((struct ct_mixer *)atc->mixer)->
355 amixers[type*CHN_NUM+i];
356 val = amixer->ops->get_scale(amixer) / VOL_SCALE;
357 if (val < 0)
358 val = 0;
359 else if (val > VOL_MAX)
360 val = VOL_MAX;
361 ucontrol->value.integer.value[i] = val;
362 }
363
364 return 0;
365 }
366
367 static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol,
368 struct snd_ctl_elem_value *ucontrol)
369 {
370 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
371 struct ct_mixer *mixer = atc->mixer;
372 enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
373 struct amixer *amixer;
374 int i, j, val, oval, change = 0;
375
376 for (i = 0; i < 2; i++) {
377 val = ucontrol->value.integer.value[i];
378 if (val < 0)
379 val = 0;
380 else if (val > VOL_MAX)
381 val = VOL_MAX;
382 val *= VOL_SCALE;
383 amixer = mixer->amixers[type*CHN_NUM+i];
384 oval = amixer->ops->get_scale(amixer);
385 if (val != oval) {
386 amixer->ops->set_scale(amixer, val);
387 amixer->ops->commit_write(amixer);
388 change = 1;
389 /* Synchronize Master/PCM playback AMIXERs. */
390 if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) {
391 for (j = 1; j < 4; j++) {
392 amixer = mixer->
393 amixers[(type+j)*CHN_NUM+i];
394 amixer->ops->set_scale(amixer, val);
395 amixer->ops->commit_write(amixer);
396 }
397 }
398 }
399 }
400
401 return change;
402 }
403
404 static struct snd_kcontrol_new vol_ctl = {
405 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
406 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
407 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
408 .info = ct_alsa_mix_volume_info,
409 .get = ct_alsa_mix_volume_get,
410 .put = ct_alsa_mix_volume_put,
411 .tlv = { .p = ct_vol_db_scale },
412 };
413
414 static int output_switch_info(struct snd_kcontrol *kcontrol,
415 struct snd_ctl_elem_info *info)
416 {
417 static const char *const names[3] = {
418 "FP Headphones", "Headphones", "Speakers"
419 };
420
421 return snd_ctl_enum_info(info, 1, 3, names);
422 }
423
424 static int output_switch_get(struct snd_kcontrol *kcontrol,
425 struct snd_ctl_elem_value *ucontrol)
426 {
427 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
428 ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc);
429 return 0;
430 }
431
432 static int output_switch_put(struct snd_kcontrol *kcontrol,
433 struct snd_ctl_elem_value *ucontrol)
434 {
435 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
436 if (ucontrol->value.enumerated.item[0] > 2)
437 return -EINVAL;
438 return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]);
439 }
440
441 static struct snd_kcontrol_new output_ctl = {
442 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
443 .name = "Analog Output Playback Enum",
444 .info = output_switch_info,
445 .get = output_switch_get,
446 .put = output_switch_put,
447 };
448
449 static int mic_source_switch_info(struct snd_kcontrol *kcontrol,
450 struct snd_ctl_elem_info *info)
451 {
452 static const char *const names[3] = {
453 "Mic", "FP Mic", "Aux"
454 };
455
456 return snd_ctl_enum_info(info, 1, 3, names);
457 }
458
459 static int mic_source_switch_get(struct snd_kcontrol *kcontrol,
460 struct snd_ctl_elem_value *ucontrol)
461 {
462 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
463 ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc);
464 return 0;
465 }
466
467 static int mic_source_switch_put(struct snd_kcontrol *kcontrol,
468 struct snd_ctl_elem_value *ucontrol)
469 {
470 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
471 if (ucontrol->value.enumerated.item[0] > 2)
472 return -EINVAL;
473 return atc->mic_source_switch_put(atc,
474 ucontrol->value.enumerated.item[0]);
475 }
476
477 static struct snd_kcontrol_new mic_source_ctl = {
478 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
479 .name = "Mic Source Capture Enum",
480 .info = mic_source_switch_info,
481 .get = mic_source_switch_get,
482 .put = mic_source_switch_put,
483 };
484
485 static void
486 do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type)
487 {
488
489 if (MIXER_LINEIN_C_S == type) {
490 atc->select_line_in(atc);
491 set_switch_state(atc->mixer, MIXER_MIC_C_S, 0);
492 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
493 &kctls[1]->id);
494 } else if (MIXER_MIC_C_S == type) {
495 atc->select_mic_in(atc);
496 set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0);
497 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
498 &kctls[0]->id);
499 }
500 }
501
502 static void
503 do_digit_io_switch(struct ct_atc *atc, int state)
504 {
505 struct ct_mixer *mixer = atc->mixer;
506
507 if (state) {
508 atc->select_digit_io(atc);
509 atc->spdif_out_unmute(atc,
510 get_switch_state(mixer, MIXER_SPDIFO_P_S));
511 atc->spdif_in_unmute(atc, 1);
512 atc->line_in_unmute(atc, 0);
513 return;
514 }
515
516 if (get_switch_state(mixer, MIXER_LINEIN_C_S))
517 atc->select_line_in(atc);
518 else if (get_switch_state(mixer, MIXER_MIC_C_S))
519 atc->select_mic_in(atc);
520
521 atc->spdif_out_unmute(atc, 0);
522 atc->spdif_in_unmute(atc, 0);
523 atc->line_in_unmute(atc, 1);
524 return;
525 }
526
527 static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
528 {
529 struct ct_mixer *mixer = atc->mixer;
530 struct capabilities cap = atc->capabilities(atc);
531
532 /* Do changes in mixer. */
533 if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
534 if (state) {
535 ct_mixer_recording_select(mixer,
536 get_amixer_index(type));
537 } else {
538 ct_mixer_recording_unselect(mixer,
539 get_amixer_index(type));
540 }
541 }
542 /* Do changes out of mixer. */
543 if (!cap.dedicated_mic &&
544 (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) {
545 if (state)
546 do_line_mic_switch(atc, type);
547 atc->line_in_unmute(atc, state);
548 } else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type))
549 atc->line_in_unmute(atc, state);
550 else if (cap.dedicated_mic && (MIXER_MIC_C_S == type))
551 atc->mic_unmute(atc, state);
552 else if (MIXER_SPDIFI_C_S == type)
553 atc->spdif_in_unmute(atc, state);
554 else if (MIXER_WAVEF_P_S == type)
555 atc->line_front_unmute(atc, state);
556 else if (MIXER_WAVES_P_S == type)
557 atc->line_surround_unmute(atc, state);
558 else if (MIXER_WAVEC_P_S == type)
559 atc->line_clfe_unmute(atc, state);
560 else if (MIXER_WAVER_P_S == type)
561 atc->line_rear_unmute(atc, state);
562 else if (MIXER_SPDIFO_P_S == type)
563 atc->spdif_out_unmute(atc, state);
564 else if (MIXER_DIGITAL_IO_S == type)
565 do_digit_io_switch(atc, state);
566
567 return;
568 }
569
570 static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
571 struct snd_ctl_elem_info *uinfo)
572 {
573 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
574 uinfo->count = 1;
575 uinfo->value.integer.min = 0;
576 uinfo->value.integer.max = 1;
577 uinfo->value.integer.step = 1;
578
579 return 0;
580 }
581
582 static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol,
583 struct snd_ctl_elem_value *ucontrol)
584 {
585 struct ct_mixer *mixer =
586 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer;
587 enum CTALSA_MIXER_CTL type = kcontrol->private_value;
588
589 ucontrol->value.integer.value[0] = get_switch_state(mixer, type);
590 return 0;
591 }
592
593 static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
594 struct snd_ctl_elem_value *ucontrol)
595 {
596 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
597 struct ct_mixer *mixer = atc->mixer;
598 enum CTALSA_MIXER_CTL type = kcontrol->private_value;
599 int state;
600
601 state = ucontrol->value.integer.value[0];
602 if (get_switch_state(mixer, type) == state)
603 return 0;
604
605 set_switch_state(mixer, type, state);
606 do_switch(atc, type, state);
607
608 return 1;
609 }
610
611 static struct snd_kcontrol_new swh_ctl = {
612 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
613 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
614 .info = ct_alsa_mix_switch_info,
615 .get = ct_alsa_mix_switch_get,
616 .put = ct_alsa_mix_switch_put
617 };
618
619 static int ct_spdif_info(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_info *uinfo)
621 {
622 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
623 uinfo->count = 1;
624 return 0;
625 }
626
627 static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol,
628 struct snd_ctl_elem_value *ucontrol)
629 {
630 ucontrol->value.iec958.status[0] = 0xff;
631 ucontrol->value.iec958.status[1] = 0xff;
632 ucontrol->value.iec958.status[2] = 0xff;
633 ucontrol->value.iec958.status[3] = 0xff;
634 return 0;
635 }
636
637 static int ct_spdif_get(struct snd_kcontrol *kcontrol,
638 struct snd_ctl_elem_value *ucontrol)
639 {
640 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
641 unsigned int status;
642
643 atc->spdif_out_get_status(atc, &status);
644
645 if (status == 0)
646 status = SNDRV_PCM_DEFAULT_CON_SPDIF;
647
648 ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
649 ucontrol->value.iec958.status[1] = (status >> 8) & 0xff;
650 ucontrol->value.iec958.status[2] = (status >> 16) & 0xff;
651 ucontrol->value.iec958.status[3] = (status >> 24) & 0xff;
652
653 return 0;
654 }
655
656 static int ct_spdif_put(struct snd_kcontrol *kcontrol,
657 struct snd_ctl_elem_value *ucontrol)
658 {
659 struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
660 int change;
661 unsigned int status, old_status;
662
663 status = (ucontrol->value.iec958.status[0] << 0) |
664 (ucontrol->value.iec958.status[1] << 8) |
665 (ucontrol->value.iec958.status[2] << 16) |
666 (ucontrol->value.iec958.status[3] << 24);
667
668 atc->spdif_out_get_status(atc, &old_status);
669 change = (old_status != status);
670 if (change)
671 atc->spdif_out_set_status(atc, status);
672
673 return change;
674 }
675
676 static struct snd_kcontrol_new iec958_mask_ctl = {
677 .access = SNDRV_CTL_ELEM_ACCESS_READ,
678 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
679 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
680 .count = 1,
681 .info = ct_spdif_info,
682 .get = ct_spdif_get_mask,
683 .private_value = MIXER_IEC958_MASK
684 };
685
686 static struct snd_kcontrol_new iec958_default_ctl = {
687 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
688 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
689 .count = 1,
690 .info = ct_spdif_info,
691 .get = ct_spdif_get,
692 .put = ct_spdif_put,
693 .private_value = MIXER_IEC958_DEFAULT
694 };
695
696 static struct snd_kcontrol_new iec958_ctl = {
697 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
698 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
699 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
700 .count = 1,
701 .info = ct_spdif_info,
702 .get = ct_spdif_get,
703 .put = ct_spdif_put,
704 .private_value = MIXER_IEC958_STREAM
705 };
706
707 #define NUM_IEC958_CTL 3
708
709 static int
710 ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
711 {
712 struct snd_kcontrol *kctl;
713 int err;
714
715 kctl = snd_ctl_new1(new, mixer->atc);
716 if (!kctl)
717 return -ENOMEM;
718
719 if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
720 kctl->id.device = IEC958;
721
722 err = snd_ctl_add(mixer->atc->card, kctl);
723 if (err)
724 return err;
725
726 switch (new->private_value) {
727 case MIXER_LINEIN_C_S:
728 kctls[0] = kctl; break;
729 case MIXER_MIC_C_S:
730 kctls[1] = kctl; break;
731 default:
732 break;
733 }
734
735 return 0;
736 }
737
738 static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
739 {
740 enum CTALSA_MIXER_CTL type;
741 struct ct_atc *atc = mixer->atc;
742 struct capabilities cap = atc->capabilities(atc);
743 int err;
744
745 /* Create snd kcontrol instances on demand */
746 for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) {
747 if (ct_kcontrol_init_table[type].ctl) {
748 vol_ctl.name = ct_kcontrol_init_table[type].name;
749 vol_ctl.private_value = (unsigned long)type;
750 err = ct_mixer_kcontrol_new(mixer, &vol_ctl);
751 if (err)
752 return err;
753 }
754 }
755
756 ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch;
757
758 for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) {
759 if (ct_kcontrol_init_table[type].ctl) {
760 swh_ctl.name = ct_kcontrol_init_table[type].name;
761 swh_ctl.private_value = (unsigned long)type;
762 err = ct_mixer_kcontrol_new(mixer, &swh_ctl);
763 if (err)
764 return err;
765 }
766 }
767
768 err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl);
769 if (err)
770 return err;
771
772 err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl);
773 if (err)
774 return err;
775
776 err = ct_mixer_kcontrol_new(mixer, &iec958_ctl);
777 if (err)
778 return err;
779
780 if (cap.output_switch) {
781 err = ct_mixer_kcontrol_new(mixer, &output_ctl);
782 if (err)
783 return err;
784 }
785
786 if (cap.mic_source_switch) {
787 err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl);
788 if (err)
789 return err;
790 }
791 atc->line_front_unmute(atc, 1);
792 set_switch_state(mixer, MIXER_WAVEF_P_S, 1);
793 atc->line_surround_unmute(atc, 0);
794 set_switch_state(mixer, MIXER_WAVES_P_S, 0);
795 atc->line_clfe_unmute(atc, 0);
796 set_switch_state(mixer, MIXER_WAVEC_P_S, 0);
797 atc->line_rear_unmute(atc, 0);
798 set_switch_state(mixer, MIXER_WAVER_P_S, 0);
799 atc->spdif_out_unmute(atc, 0);
800 set_switch_state(mixer, MIXER_SPDIFO_P_S, 0);
801 atc->line_in_unmute(atc, 0);
802 if (cap.dedicated_mic)
803 atc->mic_unmute(atc, 0);
804 atc->spdif_in_unmute(atc, 0);
805 set_switch_state(mixer, MIXER_PCM_C_S, 0);
806 set_switch_state(mixer, MIXER_LINEIN_C_S, 0);
807 set_switch_state(mixer, MIXER_SPDIFI_C_S, 0);
808
809 return 0;
810 }
811
812 static void
813 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
814 {
815 struct amixer *amix_d;
816 struct sum *sum_c;
817 int i;
818
819 for (i = 0; i < 2; i++) {
820 amix_d = mixer->amixers[type*CHN_NUM+i];
821 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i];
822 amix_d->ops->set_sum(amix_d, sum_c);
823 amix_d->ops->commit_write(amix_d);
824 }
825 }
826
827 static void
828 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
829 {
830 struct amixer *amix_d;
831 int i;
832
833 for (i = 0; i < 2; i++) {
834 amix_d = mixer->amixers[type*CHN_NUM+i];
835 amix_d->ops->set_sum(amix_d, NULL);
836 amix_d->ops->commit_write(amix_d);
837 }
838 }
839
840 static int ct_mixer_get_resources(struct ct_mixer *mixer)
841 {
842 struct sum_mgr *sum_mgr;
843 struct sum *sum;
844 struct sum_desc sum_desc = {0};
845 struct amixer_mgr *amixer_mgr;
846 struct amixer *amixer;
847 struct amixer_desc am_desc = {0};
848 int err;
849 int i;
850
851 /* Allocate sum resources for mixer obj */
852 sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
853 sum_desc.msr = mixer->atc->msr;
854 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
855 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum);
856 if (err) {
857 printk(KERN_ERR "ctxfi:Failed to get sum resources for "
858 "front output!\n");
859 break;
860 }
861 mixer->sums[i] = sum;
862 }
863 if (err)
864 goto error1;
865
866 /* Allocate amixer resources for mixer obj */
867 amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
868 am_desc.msr = mixer->atc->msr;
869 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
870 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer);
871 if (err) {
872 printk(KERN_ERR "ctxfi:Failed to get amixer resources "
873 "for mixer obj!\n");
874 break;
875 }
876 mixer->amixers[i] = amixer;
877 }
878 if (err)
879 goto error2;
880
881 return 0;
882
883 error2:
884 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
885 if (NULL != mixer->amixers[i]) {
886 amixer = mixer->amixers[i];
887 amixer_mgr->put_amixer(amixer_mgr, amixer);
888 mixer->amixers[i] = NULL;
889 }
890 }
891 error1:
892 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
893 if (NULL != mixer->sums[i]) {
894 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
895 mixer->sums[i] = NULL;
896 }
897 }
898
899 return err;
900 }
901
902 static int ct_mixer_get_mem(struct ct_mixer **rmixer)
903 {
904 struct ct_mixer *mixer;
905 int err;
906
907 *rmixer = NULL;
908 /* Allocate mem for mixer obj */
909 mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
910 if (!mixer)
911 return -ENOMEM;
912
913 mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
914 GFP_KERNEL);
915 if (!mixer->amixers) {
916 err = -ENOMEM;
917 goto error1;
918 }
919 mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
920 if (!mixer->sums) {
921 err = -ENOMEM;
922 goto error2;
923 }
924
925 *rmixer = mixer;
926 return 0;
927
928 error2:
929 kfree(mixer->amixers);
930 error1:
931 kfree(mixer);
932 return err;
933 }
934
935 static int ct_mixer_topology_build(struct ct_mixer *mixer)
936 {
937 struct sum *sum;
938 struct amixer *amix_d, *amix_s;
939 enum CT_AMIXER_CTL i, j;
940
941 /* Build topology from destination to source */
942
943 /* Set up Master mixer */
944 for (i = AMIXER_MASTER_F, j = SUM_IN_F;
945 i <= AMIXER_MASTER_S; i++, j++) {
946 amix_d = mixer->amixers[i*CHN_NUM];
947 sum = mixer->sums[j*CHN_NUM];
948 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
949 amix_d = mixer->amixers[i*CHN_NUM+1];
950 sum = mixer->sums[j*CHN_NUM+1];
951 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
952 }
953
954 /* Set up Wave-out mixer */
955 for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F;
956 i <= AMIXER_WAVE_S; i++, j++) {
957 amix_d = mixer->amixers[i*CHN_NUM];
958 amix_s = mixer->amixers[j*CHN_NUM];
959 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
960 amix_d = mixer->amixers[i*CHN_NUM+1];
961 amix_s = mixer->amixers[j*CHN_NUM+1];
962 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
963 }
964
965 /* Set up S/PDIF-out mixer */
966 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM];
967 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM];
968 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
969 amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1];
970 amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1];
971 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
972
973 /* Set up PCM-in mixer */
974 for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) {
975 amix_d = mixer->amixers[i*CHN_NUM];
976 sum = mixer->sums[j*CHN_NUM];
977 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
978 amix_d = mixer->amixers[i*CHN_NUM+1];
979 sum = mixer->sums[j*CHN_NUM+1];
980 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
981 }
982
983 /* Set up Line-in mixer */
984 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM];
985 sum = mixer->sums[SUM_IN_F*CHN_NUM];
986 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
987 amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1];
988 sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
989 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
990
991 /* Set up Mic-in mixer */
992 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM];
993 sum = mixer->sums[SUM_IN_F*CHN_NUM];
994 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
995 amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1];
996 sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
997 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
998
999 /* Set up S/PDIF-in mixer */
1000 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM];
1001 sum = mixer->sums[SUM_IN_F*CHN_NUM];
1002 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1003 amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1];
1004 sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
1005 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1006
1007 /* Set up Master recording mixer */
1008 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM];
1009 sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1010 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
1011 amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1];
1012 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1013 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
1014
1015 /* Set up PCM-in recording mixer */
1016 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM];
1017 sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1018 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1019 amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1];
1020 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1021 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1022
1023 /* Set up Line-in recording mixer */
1024 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM];
1025 sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1026 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1027 amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1];
1028 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1029 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1030
1031 /* Set up Mic-in recording mixer */
1032 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM];
1033 sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1034 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1035 amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1];
1036 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1037 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1038
1039 /* Set up S/PDIF-in recording mixer */
1040 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM];
1041 sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1042 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1043 amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1];
1044 sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1045 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1046
1047 return 0;
1048 }
1049
1050 static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc)
1051 {
1052 amixer->ops->set_input(amixer, rsc);
1053 amixer->ops->commit_write(amixer);
1054
1055 return 0;
1056 }
1057
1058 static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type)
1059 {
1060 switch (type) {
1061 case MIX_WAVE_FRONT: return AMIXER_WAVE_F;
1062 case MIX_WAVE_SURROUND: return AMIXER_WAVE_S;
1063 case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C;
1064 case MIX_WAVE_REAR: return AMIXER_WAVE_R;
1065 case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C;
1066 case MIX_SPDIF_OUT: return AMIXER_SPDIFO;
1067 case MIX_LINE_IN: return AMIXER_LINEIN;
1068 case MIX_MIC_IN: return AMIXER_MIC;
1069 case MIX_SPDIF_IN: return AMIXER_SPDIFI;
1070 case MIX_PCMI_FRONT: return AMIXER_PCM_F;
1071 case MIX_PCMI_SURROUND: return AMIXER_PCM_S;
1072 case MIX_PCMI_CENTLFE: return AMIXER_PCM_C;
1073 case MIX_PCMI_REAR: return AMIXER_PCM_R;
1074 default: return 0;
1075 }
1076 }
1077
1078 static int mixer_get_output_ports(struct ct_mixer *mixer,
1079 enum MIXER_PORT_T type,
1080 struct rsc **rleft, struct rsc **rright)
1081 {
1082 enum CT_AMIXER_CTL amix = port_to_amixer(type);
1083
1084 if (NULL != rleft)
1085 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc;
1086
1087 if (NULL != rright)
1088 *rright =
1089 &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc;
1090
1091 return 0;
1092 }
1093
1094 static int mixer_set_input_left(struct ct_mixer *mixer,
1095 enum MIXER_PORT_T type, struct rsc *rsc)
1096 {
1097 enum CT_AMIXER_CTL amix = port_to_amixer(type);
1098
1099 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1100 amix = get_recording_amixer(amix);
1101 if (amix < NUM_CT_AMIXERS)
1102 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1103
1104 return 0;
1105 }
1106
1107 static int
1108 mixer_set_input_right(struct ct_mixer *mixer,
1109 enum MIXER_PORT_T type, struct rsc *rsc)
1110 {
1111 enum CT_AMIXER_CTL amix = port_to_amixer(type);
1112
1113 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1114 amix = get_recording_amixer(amix);
1115 if (amix < NUM_CT_AMIXERS)
1116 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1117
1118 return 0;
1119 }
1120
1121 #ifdef CONFIG_PM
1122 static int mixer_resume(struct ct_mixer *mixer)
1123 {
1124 int i, state;
1125 struct amixer *amixer;
1126
1127 /* resume topology and volume gain. */
1128 for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) {
1129 amixer = mixer->amixers[i];
1130 amixer->ops->commit_write(amixer);
1131 }
1132
1133 /* resume switch state. */
1134 for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) {
1135 state = get_switch_state(mixer, i);
1136 do_switch(mixer->atc, i, state);
1137 }
1138
1139 return 0;
1140 }
1141 #endif
1142
1143 int ct_mixer_destroy(struct ct_mixer *mixer)
1144 {
1145 struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
1146 struct amixer_mgr *amixer_mgr =
1147 (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
1148 struct amixer *amixer;
1149 int i = 0;
1150
1151 /* Release amixer resources */
1152 for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
1153 if (NULL != mixer->amixers[i]) {
1154 amixer = mixer->amixers[i];
1155 amixer_mgr->put_amixer(amixer_mgr, amixer);
1156 }
1157 }
1158
1159 /* Release sum resources */
1160 for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
1161 if (NULL != mixer->sums[i])
1162 sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
1163 }
1164
1165 /* Release mem assigned to mixer object */
1166 kfree(mixer->sums);
1167 kfree(mixer->amixers);
1168 kfree(mixer);
1169
1170 return 0;
1171 }
1172
1173 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
1174 {
1175 struct ct_mixer *mixer;
1176 int err;
1177
1178 *rmixer = NULL;
1179
1180 /* Allocate mem for mixer obj */
1181 err = ct_mixer_get_mem(&mixer);
1182 if (err)
1183 return err;
1184
1185 mixer->switch_state = 0;
1186 mixer->atc = atc;
1187 /* Set operations */
1188 mixer->get_output_ports = mixer_get_output_ports;
1189 mixer->set_input_left = mixer_set_input_left;
1190 mixer->set_input_right = mixer_set_input_right;
1191 #ifdef CONFIG_PM
1192 mixer->resume = mixer_resume;
1193 #endif
1194
1195 /* Allocate chip resources for mixer obj */
1196 err = ct_mixer_get_resources(mixer);
1197 if (err)
1198 goto error;
1199
1200 /* Build internal mixer topology */
1201 ct_mixer_topology_build(mixer);
1202
1203 *rmixer = mixer;
1204
1205 return 0;
1206
1207 error:
1208 ct_mixer_destroy(mixer);
1209 return err;
1210 }
1211
1212 int ct_alsa_mix_create(struct ct_atc *atc,
1213 enum CTALSADEVS device,
1214 const char *device_name)
1215 {
1216 int err;
1217
1218 /* Create snd kcontrol instances on demand */
1219 /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */
1220 err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer);
1221 if (err)
1222 return err;
1223
1224 strcpy(atc->card->mixername, device_name);
1225
1226 return 0;
1227 }
linux-next