1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for Digigram VX soundcards
4 *
5 * Common mixer part
6 *
7 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
8 */
9
10#include <sound/core.h>
11#include <sound/control.h>
12#include <sound/tlv.h>
13#include <sound/vx_core.h>
14#include "vx_cmd.h"
15
16
17/*
18 * write a codec data (24bit)
19 */
20static void vx_write_codec_reg(struct vx_core *chip, int codec, unsigned int data)
21{
22	if (snd_BUG_ON(!chip->ops->write_codec))
23		return;
24
25	if (chip->chip_status & VX_STAT_IS_STALE)
26		return;
27
28	mutex_lock(&chip->lock);
29	chip->ops->write_codec(chip, codec, data);
30	mutex_unlock(&chip->lock);
31}
32
33/*
34 * Data type used to access the Codec
35 */
36union vx_codec_data {
37	u32 l;
38#ifdef SNDRV_BIG_ENDIAN
39	struct w {
40		u16 h;
41		u16 l;
42	} w;
43	struct b {
44		u8 hh;
45		u8 mh;
46		u8 ml;
47		u8 ll;
48	} b;
49#else /* LITTLE_ENDIAN */
50	struct w {
51		u16 l;
52		u16 h;
53	} w;
54	struct b {
55		u8 ll;
56		u8 ml;
57		u8 mh;
58		u8 hh;
59	} b;
60#endif
61};
62
63#define SET_CDC_DATA_SEL(di,s)          ((di).b.mh = (u8) (s))
64#define SET_CDC_DATA_REG(di,r)          ((di).b.ml = (u8) (r))
65#define SET_CDC_DATA_VAL(di,d)          ((di).b.ll = (u8) (d))
66#define SET_CDC_DATA_INIT(di)           ((di).l = 0L, SET_CDC_DATA_SEL(di,XX_CODEC_SELECTOR))
67
68/*
69 * set up codec register and write the value
70 * @codec: the codec id, 0 or 1
71 * @reg: register index
72 * @val: data value
73 */
74static void vx_set_codec_reg(struct vx_core *chip, int codec, int reg, int val)
75{
76	union vx_codec_data data;
77	/* DAC control register */
78	SET_CDC_DATA_INIT(data);
79	SET_CDC_DATA_REG(data, reg);
80	SET_CDC_DATA_VAL(data, val);
81	vx_write_codec_reg(chip, codec, data.l);
82}
83
84
85/*
86 * vx_set_analog_output_level - set the output attenuation level
87 * @codec: the output codec, 0 or 1.  (1 for VXP440 only)
88 * @left: left output level, 0 = mute
89 * @right: right output level
90 */
91static void vx_set_analog_output_level(struct vx_core *chip, int codec, int left, int right)
92{
93	left  = chip->hw->output_level_max - left;
94	right = chip->hw->output_level_max - right;
95
96	if (chip->ops->akm_write) {
97		chip->ops->akm_write(chip, XX_CODEC_LEVEL_LEFT_REGISTER, left);
98		chip->ops->akm_write(chip, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
99	} else {
100		/* convert to attenuation level: 0 = 0dB (max), 0xe3 = -113.5 dB (min) */
101		vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_LEFT_REGISTER, left);
102		vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
103	}
104}
105
106
107/*
108 * vx_toggle_dac_mute -  mute/unmute DAC
109 * @mute: 0 = unmute, 1 = mute
110 */
111
112#define DAC_ATTEN_MIN	0x08
113#define DAC_ATTEN_MAX	0x38
114
115void vx_toggle_dac_mute(struct vx_core *chip, int mute)
116{
117	unsigned int i;
118	for (i = 0; i < chip->hw->num_codecs; i++) {
119		if (chip->ops->akm_write)
120			chip->ops->akm_write(chip, XX_CODEC_DAC_CONTROL_REGISTER, mute); /* XXX */
121		else
122			vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER,
123					 mute ? DAC_ATTEN_MAX : DAC_ATTEN_MIN);
124	}
125}
126
127/*
128 * vx_reset_codec - reset and initialize the codecs
129 */
130void vx_reset_codec(struct vx_core *chip, int cold_reset)
131{
132	unsigned int i;
133	int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65;
134
135	chip->ops->reset_codec(chip);
136
137	/* AKM codecs should be initialized in reset_codec callback */
138	if (! chip->ops->akm_write) {
139		/* initialize old codecs */
140		for (i = 0; i < chip->hw->num_codecs; i++) {
141			/* DAC control register (change level when zero crossing + mute) */
142			vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER, DAC_ATTEN_MAX);
143			/* ADC control register */
144			vx_set_codec_reg(chip, i, XX_CODEC_ADC_CONTROL_REGISTER, 0x00);
145			/* Port mode register */
146			vx_set_codec_reg(chip, i, XX_CODEC_PORT_MODE_REGISTER, port);
147			/* Clock control register */
148			vx_set_codec_reg(chip, i, XX_CODEC_CLOCK_CONTROL_REGISTER, 0x00);
149		}
150	}
151
152	/* mute analog output */
153	for (i = 0; i < chip->hw->num_codecs; i++) {
154		chip->output_level[i][0] = 0;
155		chip->output_level[i][1] = 0;
156		vx_set_analog_output_level(chip, i, 0, 0);
157	}
158}
159
160/*
161 * change the audio input source
162 * @src: the target source (VX_AUDIO_SRC_XXX)
163 */
164static void vx_change_audio_source(struct vx_core *chip, int src)
165{
166	if (chip->chip_status & VX_STAT_IS_STALE)
167		return;
168
169	mutex_lock(&chip->lock);
170	chip->ops->change_audio_source(chip, src);
171	mutex_unlock(&chip->lock);
172}
173
174
175/*
176 * change the audio source if necessary and possible
177 * returns 1 if the source is actually changed.
178 */
179int vx_sync_audio_source(struct vx_core *chip)
180{
181	if (chip->audio_source_target == chip->audio_source ||
182	    chip->pcm_running)
183		return 0;
184	vx_change_audio_source(chip, chip->audio_source_target);
185	chip->audio_source = chip->audio_source_target;
186	return 1;
187}
188
189
190/*
191 * audio level, mute, monitoring
192 */
193struct vx_audio_level {
194	unsigned int has_level: 1;
195	unsigned int has_monitor_level: 1;
196	unsigned int has_mute: 1;
197	unsigned int has_monitor_mute: 1;
198	unsigned int mute;
199	unsigned int monitor_mute;
200	short level;
201	short monitor_level;
202};
203
204static int vx_adjust_audio_level(struct vx_core *chip, int audio, int capture,
205				 struct vx_audio_level *info)
206{
207	struct vx_rmh rmh;
208
209	if (chip->chip_status & VX_STAT_IS_STALE)
210		return -EBUSY;
211
212        vx_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
213	if (capture)
214		rmh.Cmd[0] |= COMMAND_RECORD_MASK;
215	/* Add Audio IO mask */
216	rmh.Cmd[1] = 1 << audio;
217	rmh.Cmd[2] = 0;
218	if (info->has_level) {
219		rmh.Cmd[0] |=  VALID_AUDIO_IO_DIGITAL_LEVEL;
220		rmh.Cmd[2] |= info->level;
221        }
222	if (info->has_monitor_level) {
223		rmh.Cmd[0] |=  VALID_AUDIO_IO_MONITORING_LEVEL;
224		rmh.Cmd[2] |= ((unsigned int)info->monitor_level << 10);
225        }
226	if (info->has_mute) {
227		rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_LEVEL;
228		if (info->mute)
229			rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_LEVEL;
230	}
231	if (info->has_monitor_mute) {
232		/* validate flag for M2 at least to unmute it */
233		rmh.Cmd[0] |=  VALID_AUDIO_IO_MUTE_MONITORING_1 | VALID_AUDIO_IO_MUTE_MONITORING_2;
234		if (info->monitor_mute)
235			rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_MONITORING_1;
236	}
237
238	return vx_send_msg(chip, &rmh);
239}
240
241
242#if 0 // not used
243static int vx_read_audio_level(struct vx_core *chip, int audio, int capture,
244			       struct vx_audio_level *info)
245{
246	int err;
247	struct vx_rmh rmh;
248
249	memset(info, 0, sizeof(*info));
250        vx_init_rmh(&rmh, CMD_GET_AUDIO_LEVELS);
251	if (capture)
252		rmh.Cmd[0] |= COMMAND_RECORD_MASK;
253	/* Add Audio IO mask */
254	rmh.Cmd[1] = 1 << audio;
255	err = vx_send_msg(chip, &rmh);
256	if (err < 0)
257		return err;
258	info.level = rmh.Stat[0] & MASK_DSP_WORD_LEVEL;
259	info.monitor_level = (rmh.Stat[0] >> 10) & MASK_DSP_WORD_LEVEL;
260	info.mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_LEVEL) ? 1 : 0;
261	info.monitor_mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_MONITORING_1) ? 1 : 0;
262	return 0;
263}
264#endif // not used
265
266/*
267 * set the monitoring level and mute state of the given audio
268 * no more static, because must be called from vx_pcm to demute monitoring
269 */
270int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active)
271{
272	struct vx_audio_level info;
273
274	memset(&info, 0, sizeof(info));
275	info.has_monitor_level = 1;
276	info.monitor_level = level;
277	info.has_monitor_mute = 1;
278	info.monitor_mute = !active;
279	chip->audio_monitor[audio] = level;
280	chip->audio_monitor_active[audio] = active;
281	return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
282}
283
284
285/*
286 * set the mute status of the given audio
287 */
288static int vx_set_audio_switch(struct vx_core *chip, int audio, int active)
289{
290	struct vx_audio_level info;
291
292	memset(&info, 0, sizeof(info));
293	info.has_mute = 1;
294	info.mute = !active;
295	chip->audio_active[audio] = active;
296	return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
297}
298
299/*
300 * set the mute status of the given audio
301 */
302static int vx_set_audio_gain(struct vx_core *chip, int audio, int capture, int level)
303{
304	struct vx_audio_level info;
305
306	memset(&info, 0, sizeof(info));
307	info.has_level = 1;
308	info.level = level;
309	chip->audio_gain[capture][audio] = level;
310	return vx_adjust_audio_level(chip, audio, capture, &info);
311}
312
313/*
314 * reset all audio levels
315 */
316static void vx_reset_audio_levels(struct vx_core *chip)
317{
318	unsigned int i, c;
319	struct vx_audio_level info;
320
321	memset(chip->audio_gain, 0, sizeof(chip->audio_gain));
322	memset(chip->audio_active, 0, sizeof(chip->audio_active));
323	memset(chip->audio_monitor, 0, sizeof(chip->audio_monitor));
324	memset(chip->audio_monitor_active, 0, sizeof(chip->audio_monitor_active));
325
326	for (c = 0; c < 2; c++) {
327		for (i = 0; i < chip->hw->num_ins * 2; i++) {
328			memset(&info, 0, sizeof(info));
329			if (c == 0) {
330				info.has_monitor_level = 1;
331				info.has_mute = 1;
332				info.has_monitor_mute = 1;
333			}
334			info.has_level = 1;
335			info.level = CVAL_0DB; /* default: 0dB */
336			vx_adjust_audio_level(chip, i, c, &info);
337			chip->audio_gain[c][i] = CVAL_0DB;
338			chip->audio_monitor[i] = CVAL_0DB;
339		}
340	}
341}
342
343
344/*
345 * VU, peak meter record
346 */
347
348#define VU_METER_CHANNELS	2
349
350struct vx_vu_meter {
351	int saturated;
352	int vu_level;
353	int peak_level;
354};
355
356/*
357 * get the VU and peak meter values
358 * @audio: the audio index
359 * @capture: 0 = playback, 1 = capture operation
360 * @info: the array of vx_vu_meter records (size = 2).
361 */
362static int vx_get_audio_vu_meter(struct vx_core *chip, int audio, int capture, struct vx_vu_meter *info)
363{
364	struct vx_rmh rmh;
365	int i, err;
366
367	if (chip->chip_status & VX_STAT_IS_STALE)
368		return -EBUSY;
369
370	vx_init_rmh(&rmh, CMD_AUDIO_VU_PIC_METER);
371	rmh.LgStat += 2 * VU_METER_CHANNELS;
372	if (capture)
373		rmh.Cmd[0] |= COMMAND_RECORD_MASK;
374
375        /* Add Audio IO mask */
376	rmh.Cmd[1] = 0;
377	for (i = 0; i < VU_METER_CHANNELS; i++)
378		rmh.Cmd[1] |= 1 << (audio + i);
379	err = vx_send_msg(chip, &rmh);
380	if (err < 0)
381		return err;
382	/* Read response */
383	for (i = 0; i < 2 * VU_METER_CHANNELS; i +=2) {
384		info->saturated = (rmh.Stat[0] & (1 << (audio + i))) ? 1 : 0;
385		info->vu_level = rmh.Stat[i + 1];
386		info->peak_level = rmh.Stat[i + 2];
387		info++;
388	}
389	return 0;
390}
391
392
393/*
394 * control API entries
395 */
396
397/*
398 * output level control
399 */
400static int vx_output_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
401{
402	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
403	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
404	uinfo->count = 2;
405	uinfo->value.integer.min = 0;
406	uinfo->value.integer.max = chip->hw->output_level_max;
407	return 0;
408}
409
410static int vx_output_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
411{
412	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
413	int codec = kcontrol->id.index;
414	mutex_lock(&chip->mixer_mutex);
415	ucontrol->value.integer.value[0] = chip->output_level[codec][0];
416	ucontrol->value.integer.value[1] = chip->output_level[codec][1];
417	mutex_unlock(&chip->mixer_mutex);
418	return 0;
419}
420
421static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
422{
423	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
424	int codec = kcontrol->id.index;
425	unsigned int val[2], vmax;
426
427	vmax = chip->hw->output_level_max;
428	val[0] = ucontrol->value.integer.value[0];
429	val[1] = ucontrol->value.integer.value[1];
430	if (val[0] > vmax || val[1] > vmax)
431		return -EINVAL;
432	mutex_lock(&chip->mixer_mutex);
433	if (val[0] != chip->output_level[codec][0] ||
434	    val[1] != chip->output_level[codec][1]) {
435		vx_set_analog_output_level(chip, codec, val[0], val[1]);
436		chip->output_level[codec][0] = val[0];
437		chip->output_level[codec][1] = val[1];
438		mutex_unlock(&chip->mixer_mutex);
439		return 1;
440	}
441	mutex_unlock(&chip->mixer_mutex);
442	return 0;
443}
444
445static const struct snd_kcontrol_new vx_control_output_level = {
446	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
447	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
448			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
449	.name =		"Master Playback Volume",
450	.info =		vx_output_level_info,
451	.get =		vx_output_level_get,
452	.put =		vx_output_level_put,
453	/* tlv will be filled later */
454};
455
456/*
457 * audio source select
458 */
459static int vx_audio_src_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
460{
461	static const char * const texts_mic[3] = {
462		"Digital", "Line", "Mic"
463	};
464	static const char * const texts_vx2[2] = {
465		"Digital", "Analog"
466	};
467	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
468
469	if (chip->type >= VX_TYPE_VXPOCKET)
470		return snd_ctl_enum_info(uinfo, 1, 3, texts_mic);
471	else
472		return snd_ctl_enum_info(uinfo, 1, 2, texts_vx2);
473}
474
475static int vx_audio_src_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
476{
477	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
478	ucontrol->value.enumerated.item[0] = chip->audio_source_target;
479	return 0;
480}
481
482static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
483{
484	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
485
486	if (chip->type >= VX_TYPE_VXPOCKET) {
487		if (ucontrol->value.enumerated.item[0] > 2)
488			return -EINVAL;
489	} else {
490		if (ucontrol->value.enumerated.item[0] > 1)
491			return -EINVAL;
492	}
493	mutex_lock(&chip->mixer_mutex);
494	if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
495		chip->audio_source_target = ucontrol->value.enumerated.item[0];
496		vx_sync_audio_source(chip);
497		mutex_unlock(&chip->mixer_mutex);
498		return 1;
499	}
500	mutex_unlock(&chip->mixer_mutex);
501	return 0;
502}
503
504static const struct snd_kcontrol_new vx_control_audio_src = {
505	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
506	.name =		"Capture Source",
507	.info =		vx_audio_src_info,
508	.get =		vx_audio_src_get,
509	.put =		vx_audio_src_put,
510};
511
512/*
513 * clock mode selection
514 */
515static int vx_clock_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
516{
517	static const char * const texts[3] = {
518		"Auto", "Internal", "External"
519	};
520
521	return snd_ctl_enum_info(uinfo, 1, 3, texts);
522}
523
524static int vx_clock_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
525{
526	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
527	ucontrol->value.enumerated.item[0] = chip->clock_mode;
528	return 0;
529}
530
531static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
532{
533	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
534
535	if (ucontrol->value.enumerated.item[0] > 2)
536		return -EINVAL;
537	mutex_lock(&chip->mixer_mutex);
538	if (chip->clock_mode != ucontrol->value.enumerated.item[0]) {
539		chip->clock_mode = ucontrol->value.enumerated.item[0];
540		vx_set_clock(chip, chip->freq);
541		mutex_unlock(&chip->mixer_mutex);
542		return 1;
543	}
544	mutex_unlock(&chip->mixer_mutex);
545	return 0;
546}
547
548static const struct snd_kcontrol_new vx_control_clock_mode = {
549	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
550	.name =		"Clock Mode",
551	.info =		vx_clock_mode_info,
552	.get =		vx_clock_mode_get,
553	.put =		vx_clock_mode_put,
554};
555
556/*
557 * Audio Gain
558 */
559static int vx_audio_gain_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
560{
561	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
562	uinfo->count = 2;
563	uinfo->value.integer.min = 0;
564	uinfo->value.integer.max = CVAL_MAX;
565	return 0;
566}
567
568static int vx_audio_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
569{
570	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
571	int audio = kcontrol->private_value & 0xff;
572	int capture = (kcontrol->private_value >> 8) & 1;
573
574	mutex_lock(&chip->mixer_mutex);
575	ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio];
576	ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1];
577	mutex_unlock(&chip->mixer_mutex);
578	return 0;
579}
580
581static int vx_audio_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
582{
583	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
584	int audio = kcontrol->private_value & 0xff;
585	int capture = (kcontrol->private_value >> 8) & 1;
586	unsigned int val[2];
587
588	val[0] = ucontrol->value.integer.value[0];
589	val[1] = ucontrol->value.integer.value[1];
590	if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
591		return -EINVAL;
592	mutex_lock(&chip->mixer_mutex);
593	if (val[0] != chip->audio_gain[capture][audio] ||
594	    val[1] != chip->audio_gain[capture][audio+1]) {
595		vx_set_audio_gain(chip, audio, capture, val[0]);
596		vx_set_audio_gain(chip, audio+1, capture, val[1]);
597		mutex_unlock(&chip->mixer_mutex);
598		return 1;
599	}
600	mutex_unlock(&chip->mixer_mutex);
601	return 0;
602}
603
604static int vx_audio_monitor_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
605{
606	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
607	int audio = kcontrol->private_value & 0xff;
608
609	mutex_lock(&chip->mixer_mutex);
610	ucontrol->value.integer.value[0] = chip->audio_monitor[audio];
611	ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1];
612	mutex_unlock(&chip->mixer_mutex);
613	return 0;
614}
615
616static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
617{
618	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
619	int audio = kcontrol->private_value & 0xff;
620	unsigned int val[2];
621
622	val[0] = ucontrol->value.integer.value[0];
623	val[1] = ucontrol->value.integer.value[1];
624	if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
625		return -EINVAL;
626
627	mutex_lock(&chip->mixer_mutex);
628	if (val[0] != chip->audio_monitor[audio] ||
629	    val[1] != chip->audio_monitor[audio+1]) {
630		vx_set_monitor_level(chip, audio, val[0],
631				     chip->audio_monitor_active[audio]);
632		vx_set_monitor_level(chip, audio+1, val[1],
633				     chip->audio_monitor_active[audio+1]);
634		mutex_unlock(&chip->mixer_mutex);
635		return 1;
636	}
637	mutex_unlock(&chip->mixer_mutex);
638	return 0;
639}
640
641#define vx_audio_sw_info	snd_ctl_boolean_stereo_info
642
643static int vx_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
644{
645	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
646	int audio = kcontrol->private_value & 0xff;
647
648	mutex_lock(&chip->mixer_mutex);
649	ucontrol->value.integer.value[0] = chip->audio_active[audio];
650	ucontrol->value.integer.value[1] = chip->audio_active[audio+1];
651	mutex_unlock(&chip->mixer_mutex);
652	return 0;
653}
654
655static int vx_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
656{
657	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
658	int audio = kcontrol->private_value & 0xff;
659
660	mutex_lock(&chip->mixer_mutex);
661	if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
662	    ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
663		vx_set_audio_switch(chip, audio,
664				    !!ucontrol->value.integer.value[0]);
665		vx_set_audio_switch(chip, audio+1,
666				    !!ucontrol->value.integer.value[1]);
667		mutex_unlock(&chip->mixer_mutex);
668		return 1;
669	}
670	mutex_unlock(&chip->mixer_mutex);
671	return 0;
672}
673
674static int vx_monitor_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
675{
676	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
677	int audio = kcontrol->private_value & 0xff;
678
679	mutex_lock(&chip->mixer_mutex);
680	ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio];
681	ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1];
682	mutex_unlock(&chip->mixer_mutex);
683	return 0;
684}
685
686static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
687{
688	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
689	int audio = kcontrol->private_value & 0xff;
690
691	mutex_lock(&chip->mixer_mutex);
692	if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
693	    ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
694		vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
695				     !!ucontrol->value.integer.value[0]);
696		vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
697				     !!ucontrol->value.integer.value[1]);
698		mutex_unlock(&chip->mixer_mutex);
699		return 1;
700	}
701	mutex_unlock(&chip->mixer_mutex);
702	return 0;
703}
704
705static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0);
706
707static const struct snd_kcontrol_new vx_control_audio_gain = {
708	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
709	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
710			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
711	/* name will be filled later */
712	.info =         vx_audio_gain_info,
713	.get =          vx_audio_gain_get,
714	.put =          vx_audio_gain_put,
715	.tlv = { .p = db_scale_audio_gain },
716};
717static const struct snd_kcontrol_new vx_control_output_switch = {
718	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
719	.name =         "PCM Playback Switch",
720	.info =         vx_audio_sw_info,
721	.get =          vx_audio_sw_get,
722	.put =          vx_audio_sw_put
723};
724static const struct snd_kcontrol_new vx_control_monitor_gain = {
725	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
726	.name =         "Monitoring Volume",
727	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
728			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
729	.info =         vx_audio_gain_info,	/* shared */
730	.get =          vx_audio_monitor_get,
731	.put =          vx_audio_monitor_put,
732	.tlv = { .p = db_scale_audio_gain },
733};
734static const struct snd_kcontrol_new vx_control_monitor_switch = {
735	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
736	.name =         "Monitoring Switch",
737	.info =         vx_audio_sw_info,	/* shared */
738	.get =          vx_monitor_sw_get,
739	.put =          vx_monitor_sw_put
740};
741
742
743/*
744 * IEC958 status bits
745 */
746static int vx_iec958_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
747{
748	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
749	uinfo->count = 1;
750	return 0;
751}
752
753static int vx_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
754{
755	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
756
757	mutex_lock(&chip->mixer_mutex);
758	ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff;
759	ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff;
760	ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff;
761	ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff;
762	mutex_unlock(&chip->mixer_mutex);
763        return 0;
764}
765
766static int vx_iec958_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
767{
768	ucontrol->value.iec958.status[0] = 0xff;
769	ucontrol->value.iec958.status[1] = 0xff;
770	ucontrol->value.iec958.status[2] = 0xff;
771	ucontrol->value.iec958.status[3] = 0xff;
772        return 0;
773}
774
775static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
776{
777	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
778	unsigned int val;
779
780	val = (ucontrol->value.iec958.status[0] << 0) |
781	      (ucontrol->value.iec958.status[1] << 8) |
782	      (ucontrol->value.iec958.status[2] << 16) |
783	      (ucontrol->value.iec958.status[3] << 24);
784	mutex_lock(&chip->mixer_mutex);
785	if (chip->uer_bits != val) {
786		chip->uer_bits = val;
787		vx_set_iec958_status(chip, val);
788		mutex_unlock(&chip->mixer_mutex);
789		return 1;
790	}
791	mutex_unlock(&chip->mixer_mutex);
792	return 0;
793}
794
795static const struct snd_kcontrol_new vx_control_iec958_mask = {
796	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
797	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
798	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
799	.info =		vx_iec958_info,	/* shared */
800	.get =		vx_iec958_mask_get,
801};
802
803static const struct snd_kcontrol_new vx_control_iec958 = {
804	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
805	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
806	.info =         vx_iec958_info,
807	.get =          vx_iec958_get,
808	.put =          vx_iec958_put
809};
810
811
812/*
813 * VU meter
814 */
815
816#define METER_MAX	0xff
817#define METER_SHIFT	16
818
819static int vx_vu_meter_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
820{
821	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
822	uinfo->count = 2;
823	uinfo->value.integer.min = 0;
824	uinfo->value.integer.max = METER_MAX;
825	return 0;
826}
827
828static int vx_vu_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
829{
830	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
831	struct vx_vu_meter meter[2];
832	int audio = kcontrol->private_value & 0xff;
833	int capture = (kcontrol->private_value >> 8) & 1;
834
835	vx_get_audio_vu_meter(chip, audio, capture, meter);
836	ucontrol->value.integer.value[0] = meter[0].vu_level >> METER_SHIFT;
837	ucontrol->value.integer.value[1] = meter[1].vu_level >> METER_SHIFT;
838	return 0;
839}
840
841static int vx_peak_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
842{
843	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
844	struct vx_vu_meter meter[2];
845	int audio = kcontrol->private_value & 0xff;
846	int capture = (kcontrol->private_value >> 8) & 1;
847
848	vx_get_audio_vu_meter(chip, audio, capture, meter);
849	ucontrol->value.integer.value[0] = meter[0].peak_level >> METER_SHIFT;
850	ucontrol->value.integer.value[1] = meter[1].peak_level >> METER_SHIFT;
851	return 0;
852}
853
854#define vx_saturation_info	snd_ctl_boolean_stereo_info
855
856static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
857{
858	struct vx_core *chip = snd_kcontrol_chip(kcontrol);
859	struct vx_vu_meter meter[2];
860	int audio = kcontrol->private_value & 0xff;
861
862	vx_get_audio_vu_meter(chip, audio, 1, meter); /* capture only */
863	ucontrol->value.integer.value[0] = meter[0].saturated;
864	ucontrol->value.integer.value[1] = meter[1].saturated;
865	return 0;
866}
867
868static const struct snd_kcontrol_new vx_control_vu_meter = {
869	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
870	.access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
871	/* name will be filled later */
872	.info =		vx_vu_meter_info,
873	.get =		vx_vu_meter_get,
874};
875
876static const struct snd_kcontrol_new vx_control_peak_meter = {
877	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
878	.access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
879	/* name will be filled later */
880	.info =		vx_vu_meter_info,	/* shared */
881	.get =		vx_peak_meter_get,
882};
883
884static const struct snd_kcontrol_new vx_control_saturation = {
885	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
886	.name =		"Input Saturation",
887	.access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
888	.info =		vx_saturation_info,
889	.get =		vx_saturation_get,
890};
891
892
893
894/*
895 *
896 */
897
898int snd_vx_mixer_new(struct vx_core *chip)
899{
900	unsigned int i, c;
901	int err;
902	struct snd_kcontrol_new temp;
903	struct snd_card *card = chip->card;
904	char name[32];
905
906	strcpy(card->mixername, card->driver);
907
908	/* output level controls */
909	for (i = 0; i < chip->hw->num_outs; i++) {
910		temp = vx_control_output_level;
911		temp.index = i;
912		temp.tlv.p = chip->hw->output_level_db_scale;
913		err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
914		if (err < 0)
915			return err;
916	}
917
918	/* PCM volumes, switches, monitoring */
919	for (i = 0; i < chip->hw->num_outs; i++) {
920		int val = i * 2;
921		temp = vx_control_audio_gain;
922		temp.index = i;
923		temp.name = "PCM Playback Volume";
924		temp.private_value = val;
925		err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
926		if (err < 0)
927			return err;
928		temp = vx_control_output_switch;
929		temp.index = i;
930		temp.private_value = val;
931		err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
932		if (err < 0)
933			return err;
934		temp = vx_control_monitor_gain;
935		temp.index = i;
936		temp.private_value = val;
937		err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
938		if (err < 0)
939			return err;
940		temp = vx_control_monitor_switch;
941		temp.index = i;
942		temp.private_value = val;
943		err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
944		if (err < 0)
945			return err;
946	}
947	for (i = 0; i < chip->hw->num_outs; i++) {
948		temp = vx_control_audio_gain;
949		temp.index = i;
950		temp.name = "PCM Capture Volume";
951		temp.private_value = (i * 2) | (1 << 8);
952		err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
953		if (err < 0)
954			return err;
955	}
956
957	/* Audio source */
958	err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip));
959	if (err < 0)
960		return err;
961	/* clock mode */
962	err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip));
963	if (err < 0)
964		return err;
965	/* IEC958 controls */
966	err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip));
967	if (err < 0)
968		return err;
969	err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip));
970	if (err < 0)
971		return err;
972	/* VU, peak, saturation meters */
973	for (c = 0; c < 2; c++) {
974		static const char * const dir[2] = { "Output", "Input" };
975		for (i = 0; i < chip->hw->num_ins; i++) {
976			int val = (i * 2) | (c << 8);
977			if (c == 1) {
978				temp = vx_control_saturation;
979				temp.index = i;
980				temp.private_value = val;
981				err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
982				if (err < 0)
983					return err;
984			}
985			sprintf(name, "%s VU Meter", dir[c]);
986			temp = vx_control_vu_meter;
987			temp.index = i;
988			temp.name = name;
989			temp.private_value = val;
990			err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
991			if (err < 0)
992				return err;
993			sprintf(name, "%s Peak Meter", dir[c]);
994			temp = vx_control_peak_meter;
995			temp.index = i;
996			temp.name = name;
997			temp.private_value = val;
998			err = snd_ctl_add(card, snd_ctl_new1(&temp, chip));
999			if (err < 0)
1000				return err;
1001		}
1002	}
1003	vx_reset_audio_levels(chip);
1004	return 0;
1005}
1006