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
24enum 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
34enum 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
62enum 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
109struct ct_kcontrol_init {
110	unsigned char ctl;
111	char *name;
112};
113
114static struct ct_kcontrol_init
115ct_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
218static void
219ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
220
221static void
222ct_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. */
226static struct snd_kcontrol *kctls[2] = {NULL};
227
228static 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
254static 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
266static unsigned char
267get_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
273static void
274set_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) */
286static 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
306static 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
328static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1);
329
330static 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
341static 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
363static 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
400static 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
410static 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
420static 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
428static 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
437static 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
445static 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
455static 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
463static 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
473static 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
481static void
482do_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
498static void
499do_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
523static 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
566static 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
578static 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
589static 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
607static 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
615static 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
623static 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
633static 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
652static 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
672static 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
682static 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
692static 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
705static int
706ct_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
734static 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
808static void
809ct_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
823static void
824ct_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
836static 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
879error2:
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	}
887error1:
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
898static 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
925error2:
926	kfree(mixer->amixers);
927error1:
928	kfree(mixer);
929	return err;
930}
931
932static 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
1048static 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
1056static 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
1076static 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
1092static 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
1105static int
1106mixer_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
1120static 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
1141int 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
1171int 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
1205error:
1206	ct_mixer_destroy(mixer);
1207	return err;
1208}
1209
1210int 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