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Merge tag 'media/v3.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[deliverable/linux.git] / sound / drivers / vx / vx_mixer.c
1 /*
2 * Driver for Digigram VX soundcards
3 *
4 * Common mixer part
5 *
6 * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include <sound/core.h>
24 #include <sound/control.h>
25 #include <sound/tlv.h>
26 #include <sound/vx_core.h>
27 #include "vx_cmd.h"
28
29
30 /*
31 * write a codec data (24bit)
32 */
33 static void vx_write_codec_reg(struct vx_core *chip, int codec, unsigned int data)
34 {
35 if (snd_BUG_ON(!chip->ops->write_codec))
36 return;
37
38 if (chip->chip_status & VX_STAT_IS_STALE)
39 return;
40
41 mutex_lock(&chip->lock);
42 chip->ops->write_codec(chip, codec, data);
43 mutex_unlock(&chip->lock);
44 }
45
46 /*
47 * Data type used to access the Codec
48 */
49 union vx_codec_data {
50 u32 l;
51 #ifdef SNDRV_BIG_ENDIAN
52 struct w {
53 u16 h;
54 u16 l;
55 } w;
56 struct b {
57 u8 hh;
58 u8 mh;
59 u8 ml;
60 u8 ll;
61 } b;
62 #else /* LITTLE_ENDIAN */
63 struct w {
64 u16 l;
65 u16 h;
66 } w;
67 struct b {
68 u8 ll;
69 u8 ml;
70 u8 mh;
71 u8 hh;
72 } b;
73 #endif
74 };
75
76 #define SET_CDC_DATA_SEL(di,s) ((di).b.mh = (u8) (s))
77 #define SET_CDC_DATA_REG(di,r) ((di).b.ml = (u8) (r))
78 #define SET_CDC_DATA_VAL(di,d) ((di).b.ll = (u8) (d))
79 #define SET_CDC_DATA_INIT(di) ((di).l = 0L, SET_CDC_DATA_SEL(di,XX_CODEC_SELECTOR))
80
81 /*
82 * set up codec register and write the value
83 * @codec: the codec id, 0 or 1
84 * @reg: register index
85 * @val: data value
86 */
87 static void vx_set_codec_reg(struct vx_core *chip, int codec, int reg, int val)
88 {
89 union vx_codec_data data;
90 /* DAC control register */
91 SET_CDC_DATA_INIT(data);
92 SET_CDC_DATA_REG(data, reg);
93 SET_CDC_DATA_VAL(data, val);
94 vx_write_codec_reg(chip, codec, data.l);
95 }
96
97
98 /*
99 * vx_set_analog_output_level - set the output attenuation level
100 * @codec: the output codec, 0 or 1. (1 for VXP440 only)
101 * @left: left output level, 0 = mute
102 * @right: right output level
103 */
104 static void vx_set_analog_output_level(struct vx_core *chip, int codec, int left, int right)
105 {
106 left = chip->hw->output_level_max - left;
107 right = chip->hw->output_level_max - right;
108
109 if (chip->ops->akm_write) {
110 chip->ops->akm_write(chip, XX_CODEC_LEVEL_LEFT_REGISTER, left);
111 chip->ops->akm_write(chip, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
112 } else {
113 /* convert to attenuation level: 0 = 0dB (max), 0xe3 = -113.5 dB (min) */
114 vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_LEFT_REGISTER, left);
115 vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
116 }
117 }
118
119
120 /*
121 * vx_toggle_dac_mute - mute/unmute DAC
122 * @mute: 0 = unmute, 1 = mute
123 */
124
125 #define DAC_ATTEN_MIN 0x08
126 #define DAC_ATTEN_MAX 0x38
127
128 void vx_toggle_dac_mute(struct vx_core *chip, int mute)
129 {
130 unsigned int i;
131 for (i = 0; i < chip->hw->num_codecs; i++) {
132 if (chip->ops->akm_write)
133 chip->ops->akm_write(chip, XX_CODEC_DAC_CONTROL_REGISTER, mute); /* XXX */
134 else
135 vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER,
136 mute ? DAC_ATTEN_MAX : DAC_ATTEN_MIN);
137 }
138 }
139
140 /*
141 * vx_reset_codec - reset and initialize the codecs
142 */
143 void vx_reset_codec(struct vx_core *chip, int cold_reset)
144 {
145 unsigned int i;
146 int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65;
147
148 chip->ops->reset_codec(chip);
149
150 /* AKM codecs should be initialized in reset_codec callback */
151 if (! chip->ops->akm_write) {
152 /* initialize old codecs */
153 for (i = 0; i < chip->hw->num_codecs; i++) {
154 /* DAC control register (change level when zero crossing + mute) */
155 vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER, DAC_ATTEN_MAX);
156 /* ADC control register */
157 vx_set_codec_reg(chip, i, XX_CODEC_ADC_CONTROL_REGISTER, 0x00);
158 /* Port mode register */
159 vx_set_codec_reg(chip, i, XX_CODEC_PORT_MODE_REGISTER, port);
160 /* Clock control register */
161 vx_set_codec_reg(chip, i, XX_CODEC_CLOCK_CONTROL_REGISTER, 0x00);
162 }
163 }
164
165 /* mute analog output */
166 for (i = 0; i < chip->hw->num_codecs; i++) {
167 chip->output_level[i][0] = 0;
168 chip->output_level[i][1] = 0;
169 vx_set_analog_output_level(chip, i, 0, 0);
170 }
171 }
172
173 /*
174 * change the audio input source
175 * @src: the target source (VX_AUDIO_SRC_XXX)
176 */
177 static void vx_change_audio_source(struct vx_core *chip, int src)
178 {
179 if (chip->chip_status & VX_STAT_IS_STALE)
180 return;
181
182 mutex_lock(&chip->lock);
183 chip->ops->change_audio_source(chip, src);
184 mutex_unlock(&chip->lock);
185 }
186
187
188 /*
189 * change the audio source if necessary and possible
190 * returns 1 if the source is actually changed.
191 */
192 int vx_sync_audio_source(struct vx_core *chip)
193 {
194 if (chip->audio_source_target == chip->audio_source ||
195 chip->pcm_running)
196 return 0;
197 vx_change_audio_source(chip, chip->audio_source_target);
198 chip->audio_source = chip->audio_source_target;
199 return 1;
200 }
201
202
203 /*
204 * audio level, mute, monitoring
205 */
206 struct vx_audio_level {
207 unsigned int has_level: 1;
208 unsigned int has_monitor_level: 1;
209 unsigned int has_mute: 1;
210 unsigned int has_monitor_mute: 1;
211 unsigned int mute;
212 unsigned int monitor_mute;
213 short level;
214 short monitor_level;
215 };
216
217 static int vx_adjust_audio_level(struct vx_core *chip, int audio, int capture,
218 struct vx_audio_level *info)
219 {
220 struct vx_rmh rmh;
221
222 if (chip->chip_status & VX_STAT_IS_STALE)
223 return -EBUSY;
224
225 vx_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
226 if (capture)
227 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
228 /* Add Audio IO mask */
229 rmh.Cmd[1] = 1 << audio;
230 rmh.Cmd[2] = 0;
231 if (info->has_level) {
232 rmh.Cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
233 rmh.Cmd[2] |= info->level;
234 }
235 if (info->has_monitor_level) {
236 rmh.Cmd[0] |= VALID_AUDIO_IO_MONITORING_LEVEL;
237 rmh.Cmd[2] |= ((unsigned int)info->monitor_level << 10);
238 }
239 if (info->has_mute) {
240 rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_LEVEL;
241 if (info->mute)
242 rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_LEVEL;
243 }
244 if (info->has_monitor_mute) {
245 /* validate flag for M2 at least to unmute it */
246 rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_MONITORING_1 | VALID_AUDIO_IO_MUTE_MONITORING_2;
247 if (info->monitor_mute)
248 rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_MONITORING_1;
249 }
250
251 return vx_send_msg(chip, &rmh);
252 }
253
254
255 #if 0 // not used
256 static int vx_read_audio_level(struct vx_core *chip, int audio, int capture,
257 struct vx_audio_level *info)
258 {
259 int err;
260 struct vx_rmh rmh;
261
262 memset(info, 0, sizeof(*info));
263 vx_init_rmh(&rmh, CMD_GET_AUDIO_LEVELS);
264 if (capture)
265 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
266 /* Add Audio IO mask */
267 rmh.Cmd[1] = 1 << audio;
268 err = vx_send_msg(chip, &rmh);
269 if (err < 0)
270 return err;
271 info.level = rmh.Stat[0] & MASK_DSP_WORD_LEVEL;
272 info.monitor_level = (rmh.Stat[0] >> 10) & MASK_DSP_WORD_LEVEL;
273 info.mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_LEVEL) ? 1 : 0;
274 info.monitor_mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_MONITORING_1) ? 1 : 0;
275 return 0;
276 }
277 #endif // not used
278
279 /*
280 * set the monitoring level and mute state of the given audio
281 * no more static, because must be called from vx_pcm to demute monitoring
282 */
283 int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active)
284 {
285 struct vx_audio_level info;
286
287 memset(&info, 0, sizeof(info));
288 info.has_monitor_level = 1;
289 info.monitor_level = level;
290 info.has_monitor_mute = 1;
291 info.monitor_mute = !active;
292 chip->audio_monitor[audio] = level;
293 chip->audio_monitor_active[audio] = active;
294 return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
295 }
296
297
298 /*
299 * set the mute status of the given audio
300 */
301 static int vx_set_audio_switch(struct vx_core *chip, int audio, int active)
302 {
303 struct vx_audio_level info;
304
305 memset(&info, 0, sizeof(info));
306 info.has_mute = 1;
307 info.mute = !active;
308 chip->audio_active[audio] = active;
309 return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
310 }
311
312 /*
313 * set the mute status of the given audio
314 */
315 static int vx_set_audio_gain(struct vx_core *chip, int audio, int capture, int level)
316 {
317 struct vx_audio_level info;
318
319 memset(&info, 0, sizeof(info));
320 info.has_level = 1;
321 info.level = level;
322 chip->audio_gain[capture][audio] = level;
323 return vx_adjust_audio_level(chip, audio, capture, &info);
324 }
325
326 /*
327 * reset all audio levels
328 */
329 static void vx_reset_audio_levels(struct vx_core *chip)
330 {
331 unsigned int i, c;
332 struct vx_audio_level info;
333
334 memset(chip->audio_gain, 0, sizeof(chip->audio_gain));
335 memset(chip->audio_active, 0, sizeof(chip->audio_active));
336 memset(chip->audio_monitor, 0, sizeof(chip->audio_monitor));
337 memset(chip->audio_monitor_active, 0, sizeof(chip->audio_monitor_active));
338
339 for (c = 0; c < 2; c++) {
340 for (i = 0; i < chip->hw->num_ins * 2; i++) {
341 memset(&info, 0, sizeof(info));
342 if (c == 0) {
343 info.has_monitor_level = 1;
344 info.has_mute = 1;
345 info.has_monitor_mute = 1;
346 }
347 info.has_level = 1;
348 info.level = CVAL_0DB; /* default: 0dB */
349 vx_adjust_audio_level(chip, i, c, &info);
350 chip->audio_gain[c][i] = CVAL_0DB;
351 chip->audio_monitor[i] = CVAL_0DB;
352 }
353 }
354 }
355
356
357 /*
358 * VU, peak meter record
359 */
360
361 #define VU_METER_CHANNELS 2
362
363 struct vx_vu_meter {
364 int saturated;
365 int vu_level;
366 int peak_level;
367 };
368
369 /*
370 * get the VU and peak meter values
371 * @audio: the audio index
372 * @capture: 0 = playback, 1 = capture operation
373 * @info: the array of vx_vu_meter records (size = 2).
374 */
375 static int vx_get_audio_vu_meter(struct vx_core *chip, int audio, int capture, struct vx_vu_meter *info)
376 {
377 struct vx_rmh rmh;
378 int i, err;
379
380 if (chip->chip_status & VX_STAT_IS_STALE)
381 return -EBUSY;
382
383 vx_init_rmh(&rmh, CMD_AUDIO_VU_PIC_METER);
384 rmh.LgStat += 2 * VU_METER_CHANNELS;
385 if (capture)
386 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
387
388 /* Add Audio IO mask */
389 rmh.Cmd[1] = 0;
390 for (i = 0; i < VU_METER_CHANNELS; i++)
391 rmh.Cmd[1] |= 1 << (audio + i);
392 err = vx_send_msg(chip, &rmh);
393 if (err < 0)
394 return err;
395 /* Read response */
396 for (i = 0; i < 2 * VU_METER_CHANNELS; i +=2) {
397 info->saturated = (rmh.Stat[0] & (1 << (audio + i))) ? 1 : 0;
398 info->vu_level = rmh.Stat[i + 1];
399 info->peak_level = rmh.Stat[i + 2];
400 info++;
401 }
402 return 0;
403 }
404
405
406 /*
407 * control API entries
408 */
409
410 /*
411 * output level control
412 */
413 static int vx_output_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
414 {
415 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
416 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
417 uinfo->count = 2;
418 uinfo->value.integer.min = 0;
419 uinfo->value.integer.max = chip->hw->output_level_max;
420 return 0;
421 }
422
423 static int vx_output_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
424 {
425 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
426 int codec = kcontrol->id.index;
427 mutex_lock(&chip->mixer_mutex);
428 ucontrol->value.integer.value[0] = chip->output_level[codec][0];
429 ucontrol->value.integer.value[1] = chip->output_level[codec][1];
430 mutex_unlock(&chip->mixer_mutex);
431 return 0;
432 }
433
434 static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
435 {
436 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
437 int codec = kcontrol->id.index;
438 unsigned int val[2], vmax;
439
440 vmax = chip->hw->output_level_max;
441 val[0] = ucontrol->value.integer.value[0];
442 val[1] = ucontrol->value.integer.value[1];
443 if (val[0] > vmax || val[1] > vmax)
444 return -EINVAL;
445 mutex_lock(&chip->mixer_mutex);
446 if (val[0] != chip->output_level[codec][0] ||
447 val[1] != chip->output_level[codec][1]) {
448 vx_set_analog_output_level(chip, codec, val[0], val[1]);
449 chip->output_level[codec][0] = val[0];
450 chip->output_level[codec][1] = val[1];
451 mutex_unlock(&chip->mixer_mutex);
452 return 1;
453 }
454 mutex_unlock(&chip->mixer_mutex);
455 return 0;
456 }
457
458 static struct snd_kcontrol_new vx_control_output_level = {
459 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
460 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
461 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
462 .name = "Master Playback Volume",
463 .info = vx_output_level_info,
464 .get = vx_output_level_get,
465 .put = vx_output_level_put,
466 /* tlv will be filled later */
467 };
468
469 /*
470 * audio source select
471 */
472 static int vx_audio_src_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
473 {
474 static const char * const texts_mic[3] = {
475 "Digital", "Line", "Mic"
476 };
477 static const char * const texts_vx2[2] = {
478 "Digital", "Analog"
479 };
480 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
481
482 if (chip->type >= VX_TYPE_VXPOCKET)
483 return snd_ctl_enum_info(uinfo, 1, 3, texts_mic);
484 else
485 return snd_ctl_enum_info(uinfo, 1, 2, texts_vx2);
486 }
487
488 static int vx_audio_src_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
489 {
490 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
491 ucontrol->value.enumerated.item[0] = chip->audio_source_target;
492 return 0;
493 }
494
495 static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
496 {
497 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
498
499 if (chip->type >= VX_TYPE_VXPOCKET) {
500 if (ucontrol->value.enumerated.item[0] > 2)
501 return -EINVAL;
502 } else {
503 if (ucontrol->value.enumerated.item[0] > 1)
504 return -EINVAL;
505 }
506 mutex_lock(&chip->mixer_mutex);
507 if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
508 chip->audio_source_target = ucontrol->value.enumerated.item[0];
509 vx_sync_audio_source(chip);
510 mutex_unlock(&chip->mixer_mutex);
511 return 1;
512 }
513 mutex_unlock(&chip->mixer_mutex);
514 return 0;
515 }
516
517 static struct snd_kcontrol_new vx_control_audio_src = {
518 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
519 .name = "Capture Source",
520 .info = vx_audio_src_info,
521 .get = vx_audio_src_get,
522 .put = vx_audio_src_put,
523 };
524
525 /*
526 * clock mode selection
527 */
528 static int vx_clock_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
529 {
530 static const char * const texts[3] = {
531 "Auto", "Internal", "External"
532 };
533
534 return snd_ctl_enum_info(uinfo, 1, 3, texts);
535 }
536
537 static int vx_clock_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
538 {
539 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
540 ucontrol->value.enumerated.item[0] = chip->clock_mode;
541 return 0;
542 }
543
544 static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
545 {
546 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
547
548 if (ucontrol->value.enumerated.item[0] > 2)
549 return -EINVAL;
550 mutex_lock(&chip->mixer_mutex);
551 if (chip->clock_mode != ucontrol->value.enumerated.item[0]) {
552 chip->clock_mode = ucontrol->value.enumerated.item[0];
553 vx_set_clock(chip, chip->freq);
554 mutex_unlock(&chip->mixer_mutex);
555 return 1;
556 }
557 mutex_unlock(&chip->mixer_mutex);
558 return 0;
559 }
560
561 static struct snd_kcontrol_new vx_control_clock_mode = {
562 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
563 .name = "Clock Mode",
564 .info = vx_clock_mode_info,
565 .get = vx_clock_mode_get,
566 .put = vx_clock_mode_put,
567 };
568
569 /*
570 * Audio Gain
571 */
572 static int vx_audio_gain_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
573 {
574 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
575 uinfo->count = 2;
576 uinfo->value.integer.min = 0;
577 uinfo->value.integer.max = CVAL_MAX;
578 return 0;
579 }
580
581 static int vx_audio_gain_get(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
587 mutex_lock(&chip->mixer_mutex);
588 ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio];
589 ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1];
590 mutex_unlock(&chip->mixer_mutex);
591 return 0;
592 }
593
594 static int vx_audio_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
595 {
596 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
597 int audio = kcontrol->private_value & 0xff;
598 int capture = (kcontrol->private_value >> 8) & 1;
599 unsigned int val[2];
600
601 val[0] = ucontrol->value.integer.value[0];
602 val[1] = ucontrol->value.integer.value[1];
603 if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
604 return -EINVAL;
605 mutex_lock(&chip->mixer_mutex);
606 if (val[0] != chip->audio_gain[capture][audio] ||
607 val[1] != chip->audio_gain[capture][audio+1]) {
608 vx_set_audio_gain(chip, audio, capture, val[0]);
609 vx_set_audio_gain(chip, audio+1, capture, val[1]);
610 mutex_unlock(&chip->mixer_mutex);
611 return 1;
612 }
613 mutex_unlock(&chip->mixer_mutex);
614 return 0;
615 }
616
617 static int vx_audio_monitor_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
618 {
619 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
620 int audio = kcontrol->private_value & 0xff;
621
622 mutex_lock(&chip->mixer_mutex);
623 ucontrol->value.integer.value[0] = chip->audio_monitor[audio];
624 ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1];
625 mutex_unlock(&chip->mixer_mutex);
626 return 0;
627 }
628
629 static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
630 {
631 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
632 int audio = kcontrol->private_value & 0xff;
633 unsigned int val[2];
634
635 val[0] = ucontrol->value.integer.value[0];
636 val[1] = ucontrol->value.integer.value[1];
637 if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
638 return -EINVAL;
639
640 mutex_lock(&chip->mixer_mutex);
641 if (val[0] != chip->audio_monitor[audio] ||
642 val[1] != chip->audio_monitor[audio+1]) {
643 vx_set_monitor_level(chip, audio, val[0],
644 chip->audio_monitor_active[audio]);
645 vx_set_monitor_level(chip, audio+1, val[1],
646 chip->audio_monitor_active[audio+1]);
647 mutex_unlock(&chip->mixer_mutex);
648 return 1;
649 }
650 mutex_unlock(&chip->mixer_mutex);
651 return 0;
652 }
653
654 #define vx_audio_sw_info snd_ctl_boolean_stereo_info
655
656 static int vx_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
657 {
658 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
659 int audio = kcontrol->private_value & 0xff;
660
661 mutex_lock(&chip->mixer_mutex);
662 ucontrol->value.integer.value[0] = chip->audio_active[audio];
663 ucontrol->value.integer.value[1] = chip->audio_active[audio+1];
664 mutex_unlock(&chip->mixer_mutex);
665 return 0;
666 }
667
668 static int vx_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
669 {
670 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
671 int audio = kcontrol->private_value & 0xff;
672
673 mutex_lock(&chip->mixer_mutex);
674 if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
675 ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
676 vx_set_audio_switch(chip, audio,
677 !!ucontrol->value.integer.value[0]);
678 vx_set_audio_switch(chip, audio+1,
679 !!ucontrol->value.integer.value[1]);
680 mutex_unlock(&chip->mixer_mutex);
681 return 1;
682 }
683 mutex_unlock(&chip->mixer_mutex);
684 return 0;
685 }
686
687 static int vx_monitor_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
688 {
689 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
690 int audio = kcontrol->private_value & 0xff;
691
692 mutex_lock(&chip->mixer_mutex);
693 ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio];
694 ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1];
695 mutex_unlock(&chip->mixer_mutex);
696 return 0;
697 }
698
699 static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
700 {
701 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
702 int audio = kcontrol->private_value & 0xff;
703
704 mutex_lock(&chip->mixer_mutex);
705 if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
706 ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
707 vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
708 !!ucontrol->value.integer.value[0]);
709 vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
710 !!ucontrol->value.integer.value[1]);
711 mutex_unlock(&chip->mixer_mutex);
712 return 1;
713 }
714 mutex_unlock(&chip->mixer_mutex);
715 return 0;
716 }
717
718 static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0);
719
720 static struct snd_kcontrol_new vx_control_audio_gain = {
721 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
722 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
723 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
724 /* name will be filled later */
725 .info = vx_audio_gain_info,
726 .get = vx_audio_gain_get,
727 .put = vx_audio_gain_put,
728 .tlv = { .p = db_scale_audio_gain },
729 };
730 static struct snd_kcontrol_new vx_control_output_switch = {
731 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
732 .name = "PCM Playback Switch",
733 .info = vx_audio_sw_info,
734 .get = vx_audio_sw_get,
735 .put = vx_audio_sw_put
736 };
737 static struct snd_kcontrol_new vx_control_monitor_gain = {
738 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
739 .name = "Monitoring Volume",
740 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
741 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
742 .info = vx_audio_gain_info, /* shared */
743 .get = vx_audio_monitor_get,
744 .put = vx_audio_monitor_put,
745 .tlv = { .p = db_scale_audio_gain },
746 };
747 static struct snd_kcontrol_new vx_control_monitor_switch = {
748 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
749 .name = "Monitoring Switch",
750 .info = vx_audio_sw_info, /* shared */
751 .get = vx_monitor_sw_get,
752 .put = vx_monitor_sw_put
753 };
754
755
756 /*
757 * IEC958 status bits
758 */
759 static int vx_iec958_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
760 {
761 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
762 uinfo->count = 1;
763 return 0;
764 }
765
766 static int vx_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
767 {
768 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
769
770 mutex_lock(&chip->mixer_mutex);
771 ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff;
772 ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff;
773 ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff;
774 ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff;
775 mutex_unlock(&chip->mixer_mutex);
776 return 0;
777 }
778
779 static int vx_iec958_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
780 {
781 ucontrol->value.iec958.status[0] = 0xff;
782 ucontrol->value.iec958.status[1] = 0xff;
783 ucontrol->value.iec958.status[2] = 0xff;
784 ucontrol->value.iec958.status[3] = 0xff;
785 return 0;
786 }
787
788 static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
789 {
790 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
791 unsigned int val;
792
793 val = (ucontrol->value.iec958.status[0] << 0) |
794 (ucontrol->value.iec958.status[1] << 8) |
795 (ucontrol->value.iec958.status[2] << 16) |
796 (ucontrol->value.iec958.status[3] << 24);
797 mutex_lock(&chip->mixer_mutex);
798 if (chip->uer_bits != val) {
799 chip->uer_bits = val;
800 vx_set_iec958_status(chip, val);
801 mutex_unlock(&chip->mixer_mutex);
802 return 1;
803 }
804 mutex_unlock(&chip->mixer_mutex);
805 return 0;
806 }
807
808 static struct snd_kcontrol_new vx_control_iec958_mask = {
809 .access = SNDRV_CTL_ELEM_ACCESS_READ,
810 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
811 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
812 .info = vx_iec958_info, /* shared */
813 .get = vx_iec958_mask_get,
814 };
815
816 static struct snd_kcontrol_new vx_control_iec958 = {
817 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
818 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
819 .info = vx_iec958_info,
820 .get = vx_iec958_get,
821 .put = vx_iec958_put
822 };
823
824
825 /*
826 * VU meter
827 */
828
829 #define METER_MAX 0xff
830 #define METER_SHIFT 16
831
832 static int vx_vu_meter_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
833 {
834 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
835 uinfo->count = 2;
836 uinfo->value.integer.min = 0;
837 uinfo->value.integer.max = METER_MAX;
838 return 0;
839 }
840
841 static int vx_vu_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].vu_level >> METER_SHIFT;
850 ucontrol->value.integer.value[1] = meter[1].vu_level >> METER_SHIFT;
851 return 0;
852 }
853
854 static int vx_peak_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
855 {
856 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
857 struct vx_vu_meter meter[2];
858 int audio = kcontrol->private_value & 0xff;
859 int capture = (kcontrol->private_value >> 8) & 1;
860
861 vx_get_audio_vu_meter(chip, audio, capture, meter);
862 ucontrol->value.integer.value[0] = meter[0].peak_level >> METER_SHIFT;
863 ucontrol->value.integer.value[1] = meter[1].peak_level >> METER_SHIFT;
864 return 0;
865 }
866
867 #define vx_saturation_info snd_ctl_boolean_stereo_info
868
869 static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
870 {
871 struct vx_core *chip = snd_kcontrol_chip(kcontrol);
872 struct vx_vu_meter meter[2];
873 int audio = kcontrol->private_value & 0xff;
874
875 vx_get_audio_vu_meter(chip, audio, 1, meter); /* capture only */
876 ucontrol->value.integer.value[0] = meter[0].saturated;
877 ucontrol->value.integer.value[1] = meter[1].saturated;
878 return 0;
879 }
880
881 static struct snd_kcontrol_new vx_control_vu_meter = {
882 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
883 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
884 /* name will be filled later */
885 .info = vx_vu_meter_info,
886 .get = vx_vu_meter_get,
887 };
888
889 static struct snd_kcontrol_new vx_control_peak_meter = {
890 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
891 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
892 /* name will be filled later */
893 .info = vx_vu_meter_info, /* shared */
894 .get = vx_peak_meter_get,
895 };
896
897 static struct snd_kcontrol_new vx_control_saturation = {
898 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
899 .name = "Input Saturation",
900 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
901 .info = vx_saturation_info,
902 .get = vx_saturation_get,
903 };
904
905
906
907 /*
908 *
909 */
910
911 int snd_vx_mixer_new(struct vx_core *chip)
912 {
913 unsigned int i, c;
914 int err;
915 struct snd_kcontrol_new temp;
916 struct snd_card *card = chip->card;
917 char name[32];
918
919 strcpy(card->mixername, card->driver);
920
921 /* output level controls */
922 for (i = 0; i < chip->hw->num_outs; i++) {
923 temp = vx_control_output_level;
924 temp.index = i;
925 temp.tlv.p = chip->hw->output_level_db_scale;
926 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
927 return err;
928 }
929
930 /* PCM volumes, switches, monitoring */
931 for (i = 0; i < chip->hw->num_outs; i++) {
932 int val = i * 2;
933 temp = vx_control_audio_gain;
934 temp.index = i;
935 temp.name = "PCM Playback Volume";
936 temp.private_value = val;
937 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
938 return err;
939 temp = vx_control_output_switch;
940 temp.index = i;
941 temp.private_value = val;
942 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
943 return err;
944 temp = vx_control_monitor_gain;
945 temp.index = i;
946 temp.private_value = val;
947 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
948 return err;
949 temp = vx_control_monitor_switch;
950 temp.index = i;
951 temp.private_value = val;
952 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
953 return err;
954 }
955 for (i = 0; i < chip->hw->num_outs; i++) {
956 temp = vx_control_audio_gain;
957 temp.index = i;
958 temp.name = "PCM Capture Volume";
959 temp.private_value = (i * 2) | (1 << 8);
960 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
961 return err;
962 }
963
964 /* Audio source */
965 if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip))) < 0)
966 return err;
967 /* clock mode */
968 if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip))) < 0)
969 return err;
970 /* IEC958 controls */
971 if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip))) < 0)
972 return err;
973 if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip))) < 0)
974 return err;
975 /* VU, peak, saturation meters */
976 for (c = 0; c < 2; c++) {
977 static char *dir[2] = { "Output", "Input" };
978 for (i = 0; i < chip->hw->num_ins; i++) {
979 int val = (i * 2) | (c << 8);
980 if (c == 1) {
981 temp = vx_control_saturation;
982 temp.index = i;
983 temp.private_value = val;
984 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
985 return err;
986 }
987 sprintf(name, "%s VU Meter", dir[c]);
988 temp = vx_control_vu_meter;
989 temp.index = i;
990 temp.name = name;
991 temp.private_value = val;
992 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
993 return err;
994 sprintf(name, "%s Peak Meter", dir[c]);
995 temp = vx_control_peak_meter;
996 temp.index = i;
997 temp.name = name;
998 temp.private_value = val;
999 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
1000 return err;
1001 }
1002 }
1003 vx_reset_audio_levels(chip);
1004 return 0;
1005 }
Linux kernel - Deliverables
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