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 */
vx_write_codec_reg(struct vx_core * chip,int codec,unsigned int data)20 static 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 */
36 union 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 */
vx_set_codec_reg(struct vx_core * chip,int codec,int reg,int val)74 static 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 */
vx_set_analog_output_level(struct vx_core * chip,int codec,int left,int right)91 static 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
vx_toggle_dac_mute(struct vx_core * chip,int mute)115 void 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 */
vx_reset_codec(struct vx_core * chip,int cold_reset)130 void 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 */
vx_change_audio_source(struct vx_core * chip,int src)164 static 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 */
vx_sync_audio_source(struct vx_core * chip)179 int 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 */
193 struct 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
vx_adjust_audio_level(struct vx_core * chip,int audio,int capture,struct vx_audio_level * info)204 static 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
243 static 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 */
vx_set_monitor_level(struct vx_core * chip,int audio,int level,int active)270 int 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 */
vx_set_audio_switch(struct vx_core * chip,int audio,int active)288 static 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 */
vx_set_audio_gain(struct vx_core * chip,int audio,int capture,int level)302 static 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 */
vx_reset_audio_levels(struct vx_core * chip)316 static 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
350 struct 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 */
vx_get_audio_vu_meter(struct vx_core * chip,int audio,int capture,struct vx_vu_meter * info)362 static 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 */
vx_output_level_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)400 static 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
vx_output_level_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)410 static 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
vx_output_level_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)421 static 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
445 static 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 */
vx_audio_src_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)459 static 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
vx_audio_src_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)475 static 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
vx_audio_src_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)482 static 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
504 static 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 */
vx_clock_mode_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)515 static 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
vx_clock_mode_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)524 static 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
vx_clock_mode_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)531 static 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
548 static 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 */
vx_audio_gain_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)559 static 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
vx_audio_gain_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)568 static 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
vx_audio_gain_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)581 static 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
vx_audio_monitor_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)604 static 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
vx_audio_monitor_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)616 static 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
vx_audio_sw_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)643 static 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
vx_audio_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)655 static 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
vx_monitor_sw_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)674 static 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
vx_monitor_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)686 static 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
705 static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0);
706
707 static 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 };
717 static 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 };
724 static 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 };
734 static 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 */
vx_iec958_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)746 static 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
vx_iec958_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)753 static 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
vx_iec958_mask_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)766 static 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
vx_iec958_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)775 static 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
795 static 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
803 static 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
vx_vu_meter_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)819 static 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
vx_vu_meter_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)828 static 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
vx_peak_meter_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)841 static 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
vx_saturation_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)856 static 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
868 static 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
876 static 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
884 static 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
snd_vx_mixer_new(struct vx_core * chip)898 int 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