xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_mixer.c (revision 4f6cce39)
1 #define __NO_VERSION__
2 /*
3  * Driver for Digigram pcxhr compatible soundcards
4  *
5  * mixer callbacks
6  *
7  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
8  *
9  *   This program is free software; you can redistribute it and/or modify
10  *   it under the terms of the GNU General Public License as published by
11  *   the Free Software Foundation; either version 2 of the License, or
12  *   (at your option) any later version.
13  *
14  *   This program is distributed in the hope that it will be useful,
15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *   GNU General Public License for more details.
18  *
19  *   You should have received a copy of the GNU General Public License
20  *   along with this program; if not, write to the Free Software
21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  */
23 
24 #include <linux/time.h>
25 #include <linux/interrupt.h>
26 #include <linux/init.h>
27 #include <linux/mutex.h>
28 #include <sound/core.h>
29 #include "pcxhr.h"
30 #include "pcxhr_hwdep.h"
31 #include "pcxhr_core.h"
32 #include <sound/control.h>
33 #include <sound/tlv.h>
34 #include <sound/asoundef.h>
35 #include "pcxhr_mixer.h"
36 #include "pcxhr_mix22.h"
37 
38 #define PCXHR_LINE_CAPTURE_LEVEL_MIN   0	/* -112.0 dB */
39 #define PCXHR_LINE_CAPTURE_LEVEL_MAX   255	/* +15.5 dB */
40 #define PCXHR_LINE_CAPTURE_ZERO_LEVEL  224	/* 0.0 dB ( 0 dBu -> 0 dBFS ) */
41 
42 #define PCXHR_LINE_PLAYBACK_LEVEL_MIN  0	/* -104.0 dB */
43 #define PCXHR_LINE_PLAYBACK_LEVEL_MAX  128	/* +24.0 dB */
44 #define PCXHR_LINE_PLAYBACK_ZERO_LEVEL 104	/* 0.0 dB ( 0 dBFS -> 0 dBu ) */
45 
46 static const DECLARE_TLV_DB_SCALE(db_scale_analog_capture, -11200, 50, 1550);
47 static const DECLARE_TLV_DB_SCALE(db_scale_analog_playback, -10400, 100, 2400);
48 
49 static const DECLARE_TLV_DB_SCALE(db_scale_a_hr222_capture, -11150, 50, 1600);
50 static const DECLARE_TLV_DB_SCALE(db_scale_a_hr222_playback, -2550, 50, 2400);
51 
52 static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip,
53 					   int is_capture, int channel)
54 {
55 	int err, vol;
56 	struct pcxhr_rmh rmh;
57 
58 	pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
59 	if (is_capture) {
60 		rmh.cmd[0] |= IO_NUM_REG_IN_ANA_LEVEL;
61 		rmh.cmd[2] = chip->analog_capture_volume[channel];
62 	} else {
63 		rmh.cmd[0] |= IO_NUM_REG_OUT_ANA_LEVEL;
64 		if (chip->analog_playback_active[channel])
65 			vol = chip->analog_playback_volume[channel];
66 		else
67 			vol = PCXHR_LINE_PLAYBACK_LEVEL_MIN;
68 		/* playback analog levels are inversed */
69 		rmh.cmd[2] = PCXHR_LINE_PLAYBACK_LEVEL_MAX - vol;
70 	}
71 	rmh.cmd[1]  = 1 << ((2 * chip->chip_idx) + channel);	/* audio mask */
72 	rmh.cmd_len = 3;
73 	err = pcxhr_send_msg(chip->mgr, &rmh);
74 	if (err < 0) {
75 		dev_dbg(chip->card->dev,
76 			"error update_analog_audio_level card(%d)"
77 			   " is_capture(%d) err(%x)\n",
78 			   chip->chip_idx, is_capture, err);
79 		return -EINVAL;
80 	}
81 	return 0;
82 }
83 
84 /*
85  * analog level control
86  */
87 static int pcxhr_analog_vol_info(struct snd_kcontrol *kcontrol,
88 				 struct snd_ctl_elem_info *uinfo)
89 {
90 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
91 
92 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
93 	uinfo->count = 2;
94 	if (kcontrol->private_value == 0) {	/* playback */
95 	    if (chip->mgr->is_hr_stereo) {
96 		uinfo->value.integer.min =
97 			HR222_LINE_PLAYBACK_LEVEL_MIN;	/* -25 dB */
98 		uinfo->value.integer.max =
99 			HR222_LINE_PLAYBACK_LEVEL_MAX;	/* +24 dB */
100 	    } else {
101 		uinfo->value.integer.min =
102 			PCXHR_LINE_PLAYBACK_LEVEL_MIN;	/*-104 dB */
103 		uinfo->value.integer.max =
104 			PCXHR_LINE_PLAYBACK_LEVEL_MAX;	/* +24 dB */
105 	    }
106 	} else {				/* capture */
107 	    if (chip->mgr->is_hr_stereo) {
108 		uinfo->value.integer.min =
109 			HR222_LINE_CAPTURE_LEVEL_MIN;	/*-112 dB */
110 		uinfo->value.integer.max =
111 			HR222_LINE_CAPTURE_LEVEL_MAX;	/* +15.5 dB */
112 	    } else {
113 		uinfo->value.integer.min =
114 			PCXHR_LINE_CAPTURE_LEVEL_MIN;	/*-112 dB */
115 		uinfo->value.integer.max =
116 			PCXHR_LINE_CAPTURE_LEVEL_MAX;	/* +15.5 dB */
117 	    }
118 	}
119 	return 0;
120 }
121 
122 static int pcxhr_analog_vol_get(struct snd_kcontrol *kcontrol,
123 				struct snd_ctl_elem_value *ucontrol)
124 {
125 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
126 	mutex_lock(&chip->mgr->mixer_mutex);
127 	if (kcontrol->private_value == 0) {	/* playback */
128 	  ucontrol->value.integer.value[0] = chip->analog_playback_volume[0];
129 	  ucontrol->value.integer.value[1] = chip->analog_playback_volume[1];
130 	} else {				/* capture */
131 	  ucontrol->value.integer.value[0] = chip->analog_capture_volume[0];
132 	  ucontrol->value.integer.value[1] = chip->analog_capture_volume[1];
133 	}
134 	mutex_unlock(&chip->mgr->mixer_mutex);
135 	return 0;
136 }
137 
138 static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol,
139 				struct snd_ctl_elem_value *ucontrol)
140 {
141 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
142 	int changed = 0;
143 	int is_capture, i;
144 
145 	mutex_lock(&chip->mgr->mixer_mutex);
146 	is_capture = (kcontrol->private_value != 0);
147 	for (i = 0; i < 2; i++) {
148 		int  new_volume = ucontrol->value.integer.value[i];
149 		int *stored_volume = is_capture ?
150 			&chip->analog_capture_volume[i] :
151 			&chip->analog_playback_volume[i];
152 		if (is_capture) {
153 			if (chip->mgr->is_hr_stereo) {
154 				if (new_volume < HR222_LINE_CAPTURE_LEVEL_MIN ||
155 				    new_volume > HR222_LINE_CAPTURE_LEVEL_MAX)
156 					continue;
157 			} else {
158 				if (new_volume < PCXHR_LINE_CAPTURE_LEVEL_MIN ||
159 				    new_volume > PCXHR_LINE_CAPTURE_LEVEL_MAX)
160 					continue;
161 			}
162 		} else {
163 			if (chip->mgr->is_hr_stereo) {
164 				if (new_volume < HR222_LINE_PLAYBACK_LEVEL_MIN ||
165 				    new_volume > HR222_LINE_PLAYBACK_LEVEL_MAX)
166 					continue;
167 			} else {
168 				if (new_volume < PCXHR_LINE_PLAYBACK_LEVEL_MIN ||
169 				    new_volume > PCXHR_LINE_PLAYBACK_LEVEL_MAX)
170 					continue;
171 			}
172 		}
173 		if (*stored_volume != new_volume) {
174 			*stored_volume = new_volume;
175 			changed = 1;
176 			if (chip->mgr->is_hr_stereo)
177 				hr222_update_analog_audio_level(chip,
178 								is_capture, i);
179 			else
180 				pcxhr_update_analog_audio_level(chip,
181 								is_capture, i);
182 		}
183 	}
184 	mutex_unlock(&chip->mgr->mixer_mutex);
185 	return changed;
186 }
187 
188 static struct snd_kcontrol_new pcxhr_control_analog_level = {
189 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
190 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
191 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
192 	/* name will be filled later */
193 	.info =		pcxhr_analog_vol_info,
194 	.get =		pcxhr_analog_vol_get,
195 	.put =		pcxhr_analog_vol_put,
196 	/* tlv will be filled later */
197 };
198 
199 /* shared */
200 
201 #define pcxhr_sw_info		snd_ctl_boolean_stereo_info
202 
203 static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol,
204 			      struct snd_ctl_elem_value *ucontrol)
205 {
206 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
207 
208 	mutex_lock(&chip->mgr->mixer_mutex);
209 	ucontrol->value.integer.value[0] = chip->analog_playback_active[0];
210 	ucontrol->value.integer.value[1] = chip->analog_playback_active[1];
211 	mutex_unlock(&chip->mgr->mixer_mutex);
212 	return 0;
213 }
214 
215 static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol,
216 			      struct snd_ctl_elem_value *ucontrol)
217 {
218 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
219 	int i, changed = 0;
220 	mutex_lock(&chip->mgr->mixer_mutex);
221 	for(i = 0; i < 2; i++) {
222 		if (chip->analog_playback_active[i] !=
223 		    ucontrol->value.integer.value[i]) {
224 			chip->analog_playback_active[i] =
225 				!!ucontrol->value.integer.value[i];
226 			changed = 1;
227 			/* update playback levels */
228 			if (chip->mgr->is_hr_stereo)
229 				hr222_update_analog_audio_level(chip, 0, i);
230 			else
231 				pcxhr_update_analog_audio_level(chip, 0, i);
232 		}
233 	}
234 	mutex_unlock(&chip->mgr->mixer_mutex);
235 	return changed;
236 }
237 
238 static struct snd_kcontrol_new pcxhr_control_output_switch = {
239 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
240 	.name =		"Master Playback Switch",
241 	.info =		pcxhr_sw_info,		/* shared */
242 	.get =		pcxhr_audio_sw_get,
243 	.put =		pcxhr_audio_sw_put
244 };
245 
246 
247 #define PCXHR_DIGITAL_LEVEL_MIN		0x000	/* -110 dB */
248 #define PCXHR_DIGITAL_LEVEL_MAX		0x1ff	/* +18 dB */
249 #define PCXHR_DIGITAL_ZERO_LEVEL	0x1b7	/*  0 dB */
250 
251 static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10975, 25, 1800);
252 
253 #define MORE_THAN_ONE_STREAM_LEVEL	0x000001
254 #define VALID_STREAM_PAN_LEVEL_MASK	0x800000
255 #define VALID_STREAM_LEVEL_MASK		0x400000
256 #define VALID_STREAM_LEVEL_1_MASK	0x200000
257 #define VALID_STREAM_LEVEL_2_MASK	0x100000
258 
259 static int pcxhr_update_playback_stream_level(struct snd_pcxhr* chip, int idx)
260 {
261 	int err;
262 	struct pcxhr_rmh rmh;
263 	struct pcxhr_pipe *pipe = &chip->playback_pipe;
264 	int left, right;
265 
266 	if (chip->digital_playback_active[idx][0])
267 		left = chip->digital_playback_volume[idx][0];
268 	else
269 		left = PCXHR_DIGITAL_LEVEL_MIN;
270 	if (chip->digital_playback_active[idx][1])
271 		right = chip->digital_playback_volume[idx][1];
272 	else
273 		right = PCXHR_DIGITAL_LEVEL_MIN;
274 
275 	pcxhr_init_rmh(&rmh, CMD_STREAM_OUT_LEVEL_ADJUST);
276 	/* add pipe and stream mask */
277 	pcxhr_set_pipe_cmd_params(&rmh, 0, pipe->first_audio, 0, 1<<idx);
278 	/* volume left->left / right->right panoramic level */
279 	rmh.cmd[0] |= MORE_THAN_ONE_STREAM_LEVEL;
280 	rmh.cmd[2]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_1_MASK;
281 	rmh.cmd[2] |= (left << 10);
282 	rmh.cmd[3]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_2_MASK;
283 	rmh.cmd[3] |= right;
284 	rmh.cmd_len = 4;
285 
286 	err = pcxhr_send_msg(chip->mgr, &rmh);
287 	if (err < 0) {
288 		dev_dbg(chip->card->dev, "error update_playback_stream_level "
289 			   "card(%d) err(%x)\n", chip->chip_idx, err);
290 		return -EINVAL;
291 	}
292 	return 0;
293 }
294 
295 #define AUDIO_IO_HAS_MUTE_LEVEL		0x400000
296 #define AUDIO_IO_HAS_MUTE_MONITOR_1	0x200000
297 #define VALID_AUDIO_IO_DIGITAL_LEVEL	0x000001
298 #define VALID_AUDIO_IO_MONITOR_LEVEL	0x000002
299 #define VALID_AUDIO_IO_MUTE_LEVEL	0x000004
300 #define VALID_AUDIO_IO_MUTE_MONITOR_1	0x000008
301 
302 static int pcxhr_update_audio_pipe_level(struct snd_pcxhr *chip,
303 					 int capture, int channel)
304 {
305 	int err;
306 	struct pcxhr_rmh rmh;
307 	struct pcxhr_pipe *pipe;
308 
309 	if (capture)
310 		pipe = &chip->capture_pipe[0];
311 	else
312 		pipe = &chip->playback_pipe;
313 
314 	pcxhr_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
315 	/* add channel mask */
316 	pcxhr_set_pipe_cmd_params(&rmh, capture, 0, 0,
317 				  1 << (channel + pipe->first_audio));
318 	/* TODO : if mask (3 << pipe->first_audio) is used, left and right
319 	 * channel will be programmed to the same params */
320 	if (capture) {
321 		rmh.cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
322 		/* VALID_AUDIO_IO_MUTE_LEVEL not yet handled
323 		 * (capture pipe level) */
324 		rmh.cmd[2] = chip->digital_capture_volume[channel];
325 	} else {
326 		rmh.cmd[0] |=	VALID_AUDIO_IO_MONITOR_LEVEL |
327 				VALID_AUDIO_IO_MUTE_MONITOR_1;
328 		/* VALID_AUDIO_IO_DIGITAL_LEVEL and VALID_AUDIO_IO_MUTE_LEVEL
329 		 * not yet handled (playback pipe level)
330 		 */
331 		rmh.cmd[2] = chip->monitoring_volume[channel] << 10;
332 		if (chip->monitoring_active[channel] == 0)
333 			rmh.cmd[2] |= AUDIO_IO_HAS_MUTE_MONITOR_1;
334 	}
335 	rmh.cmd_len = 3;
336 
337 	err = pcxhr_send_msg(chip->mgr, &rmh);
338 	if (err < 0) {
339 		dev_dbg(chip->card->dev,
340 			"error update_audio_level(%d) err=%x\n",
341 			   chip->chip_idx, err);
342 		return -EINVAL;
343 	}
344 	return 0;
345 }
346 
347 
348 /* shared */
349 static int pcxhr_digital_vol_info(struct snd_kcontrol *kcontrol,
350 				  struct snd_ctl_elem_info *uinfo)
351 {
352 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
353 	uinfo->count = 2;
354 	uinfo->value.integer.min = PCXHR_DIGITAL_LEVEL_MIN;   /* -109.5 dB */
355 	uinfo->value.integer.max = PCXHR_DIGITAL_LEVEL_MAX;   /*   18.0 dB */
356 	return 0;
357 }
358 
359 
360 static int pcxhr_pcm_vol_get(struct snd_kcontrol *kcontrol,
361 			     struct snd_ctl_elem_value *ucontrol)
362 {
363 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
364 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);	/* index */
365 	int *stored_volume;
366 	int is_capture = kcontrol->private_value;
367 
368 	mutex_lock(&chip->mgr->mixer_mutex);
369 	if (is_capture)		/* digital capture */
370 		stored_volume = chip->digital_capture_volume;
371 	else			/* digital playback */
372 		stored_volume = chip->digital_playback_volume[idx];
373 	ucontrol->value.integer.value[0] = stored_volume[0];
374 	ucontrol->value.integer.value[1] = stored_volume[1];
375 	mutex_unlock(&chip->mgr->mixer_mutex);
376 	return 0;
377 }
378 
379 static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol,
380 			     struct snd_ctl_elem_value *ucontrol)
381 {
382 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
383 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);	/* index */
384 	int changed = 0;
385 	int is_capture = kcontrol->private_value;
386 	int *stored_volume;
387 	int i;
388 
389 	mutex_lock(&chip->mgr->mixer_mutex);
390 	if (is_capture)		/* digital capture */
391 		stored_volume = chip->digital_capture_volume;
392 	else			/* digital playback */
393 		stored_volume = chip->digital_playback_volume[idx];
394 	for (i = 0; i < 2; i++) {
395 		int vol = ucontrol->value.integer.value[i];
396 		if (vol < PCXHR_DIGITAL_LEVEL_MIN ||
397 		    vol > PCXHR_DIGITAL_LEVEL_MAX)
398 			continue;
399 		if (stored_volume[i] != vol) {
400 			stored_volume[i] = vol;
401 			changed = 1;
402 			if (is_capture)	/* update capture volume */
403 				pcxhr_update_audio_pipe_level(chip, 1, i);
404 		}
405 	}
406 	if (!is_capture && changed)	/* update playback volume */
407 		pcxhr_update_playback_stream_level(chip, idx);
408 	mutex_unlock(&chip->mgr->mixer_mutex);
409 	return changed;
410 }
411 
412 static struct snd_kcontrol_new snd_pcxhr_pcm_vol =
413 {
414 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
415 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
416 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
417 	/* name will be filled later */
418 	/* count will be filled later */
419 	.info =		pcxhr_digital_vol_info,		/* shared */
420 	.get =		pcxhr_pcm_vol_get,
421 	.put =		pcxhr_pcm_vol_put,
422 	.tlv = { .p = db_scale_digital },
423 };
424 
425 
426 static int pcxhr_pcm_sw_get(struct snd_kcontrol *kcontrol,
427 			    struct snd_ctl_elem_value *ucontrol)
428 {
429 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
430 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
431 
432 	mutex_lock(&chip->mgr->mixer_mutex);
433 	ucontrol->value.integer.value[0] = chip->digital_playback_active[idx][0];
434 	ucontrol->value.integer.value[1] = chip->digital_playback_active[idx][1];
435 	mutex_unlock(&chip->mgr->mixer_mutex);
436 	return 0;
437 }
438 
439 static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol,
440 			    struct snd_ctl_elem_value *ucontrol)
441 {
442 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
443 	int changed = 0;
444 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
445 	int i, j;
446 
447 	mutex_lock(&chip->mgr->mixer_mutex);
448 	j = idx;
449 	for (i = 0; i < 2; i++) {
450 		if (chip->digital_playback_active[j][i] !=
451 		    ucontrol->value.integer.value[i]) {
452 			chip->digital_playback_active[j][i] =
453 				!!ucontrol->value.integer.value[i];
454 			changed = 1;
455 		}
456 	}
457 	if (changed)
458 		pcxhr_update_playback_stream_level(chip, idx);
459 	mutex_unlock(&chip->mgr->mixer_mutex);
460 	return changed;
461 }
462 
463 static struct snd_kcontrol_new pcxhr_control_pcm_switch = {
464 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
465 	.name =		"PCM Playback Switch",
466 	.count =	PCXHR_PLAYBACK_STREAMS,
467 	.info =		pcxhr_sw_info,		/* shared */
468 	.get =		pcxhr_pcm_sw_get,
469 	.put =		pcxhr_pcm_sw_put
470 };
471 
472 
473 /*
474  * monitoring level control
475  */
476 
477 static int pcxhr_monitor_vol_get(struct snd_kcontrol *kcontrol,
478 				 struct snd_ctl_elem_value *ucontrol)
479 {
480 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
481 	mutex_lock(&chip->mgr->mixer_mutex);
482 	ucontrol->value.integer.value[0] = chip->monitoring_volume[0];
483 	ucontrol->value.integer.value[1] = chip->monitoring_volume[1];
484 	mutex_unlock(&chip->mgr->mixer_mutex);
485 	return 0;
486 }
487 
488 static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol,
489 				 struct snd_ctl_elem_value *ucontrol)
490 {
491 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
492 	int changed = 0;
493 	int i;
494 
495 	mutex_lock(&chip->mgr->mixer_mutex);
496 	for (i = 0; i < 2; i++) {
497 		if (chip->monitoring_volume[i] !=
498 		    ucontrol->value.integer.value[i]) {
499 			chip->monitoring_volume[i] =
500 				ucontrol->value.integer.value[i];
501 			if (chip->monitoring_active[i])
502 				/* update monitoring volume and mute */
503 				/* do only when monitoring is unmuted */
504 				pcxhr_update_audio_pipe_level(chip, 0, i);
505 			changed = 1;
506 		}
507 	}
508 	mutex_unlock(&chip->mgr->mixer_mutex);
509 	return changed;
510 }
511 
512 static struct snd_kcontrol_new pcxhr_control_monitor_vol = {
513 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
514 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
515 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
516 	.name =         "Monitoring Playback Volume",
517 	.info =		pcxhr_digital_vol_info,		/* shared */
518 	.get =		pcxhr_monitor_vol_get,
519 	.put =		pcxhr_monitor_vol_put,
520 	.tlv = { .p = db_scale_digital },
521 };
522 
523 /*
524  * monitoring switch control
525  */
526 
527 static int pcxhr_monitor_sw_get(struct snd_kcontrol *kcontrol,
528 				struct snd_ctl_elem_value *ucontrol)
529 {
530 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
531 	mutex_lock(&chip->mgr->mixer_mutex);
532 	ucontrol->value.integer.value[0] = chip->monitoring_active[0];
533 	ucontrol->value.integer.value[1] = chip->monitoring_active[1];
534 	mutex_unlock(&chip->mgr->mixer_mutex);
535 	return 0;
536 }
537 
538 static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol,
539 				struct snd_ctl_elem_value *ucontrol)
540 {
541 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
542 	int changed = 0;
543 	int i;
544 
545 	mutex_lock(&chip->mgr->mixer_mutex);
546 	for (i = 0; i < 2; i++) {
547 		if (chip->monitoring_active[i] !=
548 		    ucontrol->value.integer.value[i]) {
549 			chip->monitoring_active[i] =
550 				!!ucontrol->value.integer.value[i];
551 			changed |= (1<<i); /* mask 0x01 and 0x02 */
552 		}
553 	}
554 	if (changed & 0x01)
555 		/* update left monitoring volume and mute */
556 		pcxhr_update_audio_pipe_level(chip, 0, 0);
557 	if (changed & 0x02)
558 		/* update right monitoring volume and mute */
559 		pcxhr_update_audio_pipe_level(chip, 0, 1);
560 
561 	mutex_unlock(&chip->mgr->mixer_mutex);
562 	return (changed != 0);
563 }
564 
565 static struct snd_kcontrol_new pcxhr_control_monitor_sw = {
566 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
567 	.name =         "Monitoring Playback Switch",
568 	.info =         pcxhr_sw_info,		/* shared */
569 	.get =          pcxhr_monitor_sw_get,
570 	.put =          pcxhr_monitor_sw_put
571 };
572 
573 
574 
575 /*
576  * audio source select
577  */
578 #define PCXHR_SOURCE_AUDIO01_UER	0x000100
579 #define PCXHR_SOURCE_AUDIO01_SYNC	0x000200
580 #define PCXHR_SOURCE_AUDIO23_UER	0x000400
581 #define PCXHR_SOURCE_AUDIO45_UER	0x001000
582 #define PCXHR_SOURCE_AUDIO67_UER	0x040000
583 
584 static int pcxhr_set_audio_source(struct snd_pcxhr* chip)
585 {
586 	struct pcxhr_rmh rmh;
587 	unsigned int mask, reg;
588 	unsigned int codec;
589 	int err, changed;
590 
591 	switch (chip->chip_idx) {
592 	case 0 : mask = PCXHR_SOURCE_AUDIO01_UER; codec = CS8420_01_CS; break;
593 	case 1 : mask = PCXHR_SOURCE_AUDIO23_UER; codec = CS8420_23_CS; break;
594 	case 2 : mask = PCXHR_SOURCE_AUDIO45_UER; codec = CS8420_45_CS; break;
595 	case 3 : mask = PCXHR_SOURCE_AUDIO67_UER; codec = CS8420_67_CS; break;
596 	default: return -EINVAL;
597 	}
598 	if (chip->audio_capture_source != 0) {
599 		reg = mask;	/* audio source from digital plug */
600 	} else {
601 		reg = 0;	/* audio source from analog plug */
602 	}
603 	/* set the input source */
604 	pcxhr_write_io_num_reg_cont(chip->mgr, mask, reg, &changed);
605 	/* resync them (otherwise channel inversion possible) */
606 	if (changed) {
607 		pcxhr_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS);
608 		rmh.cmd[0] |= (1 << chip->chip_idx);
609 		err = pcxhr_send_msg(chip->mgr, &rmh);
610 		if (err)
611 			return err;
612 	}
613 	if (chip->mgr->board_aes_in_192k) {
614 		int i;
615 		unsigned int src_config = 0xC0;
616 		/* update all src configs with one call */
617 		for (i = 0; (i < 4) && (i < chip->mgr->capture_chips); i++) {
618 			if (chip->mgr->chip[i]->audio_capture_source == 2)
619 				src_config |= (1 << (3 - i));
620 		}
621 		/* set codec SRC on off */
622 		pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
623 		rmh.cmd_len = 2;
624 		rmh.cmd[0] |= IO_NUM_REG_CONFIG_SRC;
625 		rmh.cmd[1] = src_config;
626 		err = pcxhr_send_msg(chip->mgr, &rmh);
627 	} else {
628 		int use_src = 0;
629 		if (chip->audio_capture_source == 2)
630 			use_src = 1;
631 		/* set codec SRC on off */
632 		pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
633 		rmh.cmd_len = 3;
634 		rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
635 		rmh.cmd[1] = codec;
636 		rmh.cmd[2] = ((CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) |
637 			      (use_src ? 0x41 : 0x54));
638 		err = pcxhr_send_msg(chip->mgr, &rmh);
639 		if (err)
640 			return err;
641 		rmh.cmd[2] = ((CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) |
642 			      (use_src ? 0x41 : 0x49));
643 		err = pcxhr_send_msg(chip->mgr, &rmh);
644 	}
645 	return err;
646 }
647 
648 static int pcxhr_audio_src_info(struct snd_kcontrol *kcontrol,
649 				struct snd_ctl_elem_info *uinfo)
650 {
651 	static const char *texts[5] = {
652 		"Line", "Digital", "Digi+SRC", "Mic", "Line+Mic"
653 	};
654 	int i;
655 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
656 
657 	i = 2;			/* no SRC, no Mic available */
658 	if (chip->mgr->board_has_aes1) {
659 		i = 3;		/* SRC available */
660 		if (chip->mgr->board_has_mic)
661 			i = 5;	/* Mic and MicroMix available */
662 	}
663 	return snd_ctl_enum_info(uinfo, 1, i, texts);
664 }
665 
666 static int pcxhr_audio_src_get(struct snd_kcontrol *kcontrol,
667 			       struct snd_ctl_elem_value *ucontrol)
668 {
669 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
670 	ucontrol->value.enumerated.item[0] = chip->audio_capture_source;
671 	return 0;
672 }
673 
674 static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol,
675 			       struct snd_ctl_elem_value *ucontrol)
676 {
677 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
678 	int ret = 0;
679 	int i = 2;		/* no SRC, no Mic available */
680 	if (chip->mgr->board_has_aes1) {
681 		i = 3;		/* SRC available */
682 		if (chip->mgr->board_has_mic)
683 			i = 5;	/* Mic and MicroMix available */
684 	}
685 	if (ucontrol->value.enumerated.item[0] >= i)
686 		return -EINVAL;
687 	mutex_lock(&chip->mgr->mixer_mutex);
688 	if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) {
689 		chip->audio_capture_source = ucontrol->value.enumerated.item[0];
690 		if (chip->mgr->is_hr_stereo)
691 			hr222_set_audio_source(chip);
692 		else
693 			pcxhr_set_audio_source(chip);
694 		ret = 1;
695 	}
696 	mutex_unlock(&chip->mgr->mixer_mutex);
697 	return ret;
698 }
699 
700 static struct snd_kcontrol_new pcxhr_control_audio_src = {
701 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
702 	.name =		"Capture Source",
703 	.info =		pcxhr_audio_src_info,
704 	.get =		pcxhr_audio_src_get,
705 	.put =		pcxhr_audio_src_put,
706 };
707 
708 
709 /*
710  * clock type selection
711  * enum pcxhr_clock_type {
712  *	PCXHR_CLOCK_TYPE_INTERNAL = 0,
713  *	PCXHR_CLOCK_TYPE_WORD_CLOCK,
714  *	PCXHR_CLOCK_TYPE_AES_SYNC,
715  *	PCXHR_CLOCK_TYPE_AES_1,
716  *	PCXHR_CLOCK_TYPE_AES_2,
717  *	PCXHR_CLOCK_TYPE_AES_3,
718  *	PCXHR_CLOCK_TYPE_AES_4,
719  *	PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4,
720  *	HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL,
721  *	HR22_CLOCK_TYPE_AES_SYNC,
722  *	HR22_CLOCK_TYPE_AES_1,
723  *	HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1,
724  * };
725  */
726 
727 static int pcxhr_clock_type_info(struct snd_kcontrol *kcontrol,
728 				 struct snd_ctl_elem_info *uinfo)
729 {
730 	static const char *textsPCXHR[7] = {
731 		"Internal", "WordClock", "AES Sync",
732 		"AES 1", "AES 2", "AES 3", "AES 4"
733 	};
734 	static const char *textsHR22[3] = {
735 		"Internal", "AES Sync", "AES 1"
736 	};
737 	const char **texts;
738 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
739 	int clock_items = 2;	/* at least Internal and AES Sync clock */
740 	if (mgr->board_has_aes1) {
741 		clock_items += mgr->capture_chips;	/* add AES x */
742 		if (!mgr->is_hr_stereo)
743 			clock_items += 1;		/* add word clock */
744 	}
745 	if (mgr->is_hr_stereo) {
746 		texts = textsHR22;
747 		snd_BUG_ON(clock_items > (HR22_CLOCK_TYPE_MAX+1));
748 	} else {
749 		texts = textsPCXHR;
750 		snd_BUG_ON(clock_items > (PCXHR_CLOCK_TYPE_MAX+1));
751 	}
752 	return snd_ctl_enum_info(uinfo, 1, clock_items, texts);
753 }
754 
755 static int pcxhr_clock_type_get(struct snd_kcontrol *kcontrol,
756 				struct snd_ctl_elem_value *ucontrol)
757 {
758 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
759 	ucontrol->value.enumerated.item[0] = mgr->use_clock_type;
760 	return 0;
761 }
762 
763 static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol,
764 				struct snd_ctl_elem_value *ucontrol)
765 {
766 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
767 	int rate, ret = 0;
768 	unsigned int clock_items = 2; /* at least Internal and AES Sync clock */
769 	if (mgr->board_has_aes1) {
770 		clock_items += mgr->capture_chips;	/* add AES x */
771 		if (!mgr->is_hr_stereo)
772 			clock_items += 1;		/* add word clock */
773 	}
774 	if (ucontrol->value.enumerated.item[0] >= clock_items)
775 		return -EINVAL;
776 	mutex_lock(&mgr->mixer_mutex);
777 	if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) {
778 		mutex_lock(&mgr->setup_mutex);
779 		mgr->use_clock_type = ucontrol->value.enumerated.item[0];
780 		rate = 0;
781 		if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
782 			pcxhr_get_external_clock(mgr, mgr->use_clock_type,
783 						 &rate);
784 		} else {
785 			rate = mgr->sample_rate;
786 			if (!rate)
787 				rate = 48000;
788 		}
789 		if (rate) {
790 			pcxhr_set_clock(mgr, rate);
791 			if (mgr->sample_rate)
792 				mgr->sample_rate = rate;
793 		}
794 		mutex_unlock(&mgr->setup_mutex);
795 		ret = 1; /* return 1 even if the set was not done. ok ? */
796 	}
797 	mutex_unlock(&mgr->mixer_mutex);
798 	return ret;
799 }
800 
801 static struct snd_kcontrol_new pcxhr_control_clock_type = {
802 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
803 	.name =		"Clock Mode",
804 	.info =		pcxhr_clock_type_info,
805 	.get =		pcxhr_clock_type_get,
806 	.put =		pcxhr_clock_type_put,
807 };
808 
809 /*
810  * clock rate control
811  * specific control that scans the sample rates on the external plugs
812  */
813 static int pcxhr_clock_rate_info(struct snd_kcontrol *kcontrol,
814 				 struct snd_ctl_elem_info *uinfo)
815 {
816 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
817 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
818 	uinfo->count = 3 + mgr->capture_chips;
819 	uinfo->value.integer.min = 0;		/* clock not present */
820 	uinfo->value.integer.max = 192000;	/* max sample rate 192 kHz */
821 	return 0;
822 }
823 
824 static int pcxhr_clock_rate_get(struct snd_kcontrol *kcontrol,
825 				struct snd_ctl_elem_value *ucontrol)
826 {
827 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
828 	int i, err, rate;
829 
830 	mutex_lock(&mgr->mixer_mutex);
831 	for(i = 0; i < 3 + mgr->capture_chips; i++) {
832 		if (i == PCXHR_CLOCK_TYPE_INTERNAL)
833 			rate = mgr->sample_rate_real;
834 		else {
835 			err = pcxhr_get_external_clock(mgr, i, &rate);
836 			if (err)
837 				break;
838 		}
839 		ucontrol->value.integer.value[i] = rate;
840 	}
841 	mutex_unlock(&mgr->mixer_mutex);
842 	return 0;
843 }
844 
845 static struct snd_kcontrol_new pcxhr_control_clock_rate = {
846 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
847 	.iface =	SNDRV_CTL_ELEM_IFACE_CARD,
848 	.name =		"Clock Rates",
849 	.info =		pcxhr_clock_rate_info,
850 	.get =		pcxhr_clock_rate_get,
851 };
852 
853 /*
854  * IEC958 status bits
855  */
856 static int pcxhr_iec958_info(struct snd_kcontrol *kcontrol,
857 			     struct snd_ctl_elem_info *uinfo)
858 {
859 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
860 	uinfo->count = 1;
861 	return 0;
862 }
863 
864 static int pcxhr_iec958_capture_byte(struct snd_pcxhr *chip,
865 				     int aes_idx, unsigned char *aes_bits)
866 {
867 	int i, err;
868 	unsigned char temp;
869 	struct pcxhr_rmh rmh;
870 
871 	pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
872 	rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
873 	switch (chip->chip_idx) {
874 	  /* instead of CS8420_01_CS use CS8416_01_CS for AES SYNC plug */
875 	case 0:	rmh.cmd[1] = CS8420_01_CS; break;
876 	case 1:	rmh.cmd[1] = CS8420_23_CS; break;
877 	case 2:	rmh.cmd[1] = CS8420_45_CS; break;
878 	case 3:	rmh.cmd[1] = CS8420_67_CS; break;
879 	default: return -EINVAL;
880 	}
881 	if (chip->mgr->board_aes_in_192k) {
882 		switch (aes_idx) {
883 		case 0:	rmh.cmd[2] = CS8416_CSB0; break;
884 		case 1:	rmh.cmd[2] = CS8416_CSB1; break;
885 		case 2:	rmh.cmd[2] = CS8416_CSB2; break;
886 		case 3:	rmh.cmd[2] = CS8416_CSB3; break;
887 		case 4:	rmh.cmd[2] = CS8416_CSB4; break;
888 		default: return -EINVAL;
889 		}
890 	} else {
891 		switch (aes_idx) {
892 		  /* instead of CS8420_CSB0 use CS8416_CSBx for AES SYNC plug */
893 		case 0:	rmh.cmd[2] = CS8420_CSB0; break;
894 		case 1:	rmh.cmd[2] = CS8420_CSB1; break;
895 		case 2:	rmh.cmd[2] = CS8420_CSB2; break;
896 		case 3:	rmh.cmd[2] = CS8420_CSB3; break;
897 		case 4:	rmh.cmd[2] = CS8420_CSB4; break;
898 		default: return -EINVAL;
899 		}
900 	}
901 	/* size and code the chip id for the fpga */
902 	rmh.cmd[1] &= 0x0fffff;
903 	/* chip signature + map for spi read */
904 	rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI;
905 	rmh.cmd_len = 3;
906 	err = pcxhr_send_msg(chip->mgr, &rmh);
907 	if (err)
908 		return err;
909 
910 	if (chip->mgr->board_aes_in_192k) {
911 		temp = (unsigned char)rmh.stat[1];
912 	} else {
913 		temp = 0;
914 		/* reversed bit order (not with CS8416_01_CS) */
915 		for (i = 0; i < 8; i++) {
916 			temp <<= 1;
917 			if (rmh.stat[1] & (1 << i))
918 				temp |= 1;
919 		}
920 	}
921 	dev_dbg(chip->card->dev, "read iec958 AES %d byte %d = 0x%x\n",
922 		    chip->chip_idx, aes_idx, temp);
923 	*aes_bits = temp;
924 	return 0;
925 }
926 
927 static int pcxhr_iec958_get(struct snd_kcontrol *kcontrol,
928 			    struct snd_ctl_elem_value *ucontrol)
929 {
930 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
931 	unsigned char aes_bits;
932 	int i, err;
933 
934 	mutex_lock(&chip->mgr->mixer_mutex);
935 	for(i = 0; i < 5; i++) {
936 		if (kcontrol->private_value == 0)	/* playback */
937 			aes_bits = chip->aes_bits[i];
938 		else {				/* capture */
939 			if (chip->mgr->is_hr_stereo)
940 				err = hr222_iec958_capture_byte(chip, i,
941 								&aes_bits);
942 			else
943 				err = pcxhr_iec958_capture_byte(chip, i,
944 								&aes_bits);
945 			if (err)
946 				break;
947 		}
948 		ucontrol->value.iec958.status[i] = aes_bits;
949 	}
950 	mutex_unlock(&chip->mgr->mixer_mutex);
951         return 0;
952 }
953 
954 static int pcxhr_iec958_mask_get(struct snd_kcontrol *kcontrol,
955 				 struct snd_ctl_elem_value *ucontrol)
956 {
957 	int i;
958 	for (i = 0; i < 5; i++)
959 		ucontrol->value.iec958.status[i] = 0xff;
960         return 0;
961 }
962 
963 static int pcxhr_iec958_update_byte(struct snd_pcxhr *chip,
964 				    int aes_idx, unsigned char aes_bits)
965 {
966 	int i, err, cmd;
967 	unsigned char new_bits = aes_bits;
968 	unsigned char old_bits = chip->aes_bits[aes_idx];
969 	struct pcxhr_rmh rmh;
970 
971 	for (i = 0; i < 8; i++) {
972 		if ((old_bits & 0x01) != (new_bits & 0x01)) {
973 			cmd = chip->chip_idx & 0x03;      /* chip index 0..3 */
974 			if (chip->chip_idx > 3)
975 				/* new bit used if chip_idx>3 (PCX1222HR) */
976 				cmd |= 1 << 22;
977 			cmd |= ((aes_idx << 3) + i) << 2; /* add bit offset */
978 			cmd |= (new_bits & 0x01) << 23;   /* add bit value */
979 			pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
980 			rmh.cmd[0] |= IO_NUM_REG_CUER;
981 			rmh.cmd[1] = cmd;
982 			rmh.cmd_len = 2;
983 			dev_dbg(chip->card->dev,
984 				"write iec958 AES %d byte %d bit %d (cmd %x)\n",
985 				    chip->chip_idx, aes_idx, i, cmd);
986 			err = pcxhr_send_msg(chip->mgr, &rmh);
987 			if (err)
988 				return err;
989 		}
990 		old_bits >>= 1;
991 		new_bits >>= 1;
992 	}
993 	chip->aes_bits[aes_idx] = aes_bits;
994 	return 0;
995 }
996 
997 static int pcxhr_iec958_put(struct snd_kcontrol *kcontrol,
998 			    struct snd_ctl_elem_value *ucontrol)
999 {
1000 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
1001 	int i, changed = 0;
1002 
1003 	/* playback */
1004 	mutex_lock(&chip->mgr->mixer_mutex);
1005 	for (i = 0; i < 5; i++) {
1006 		if (ucontrol->value.iec958.status[i] != chip->aes_bits[i]) {
1007 			if (chip->mgr->is_hr_stereo)
1008 				hr222_iec958_update_byte(chip, i,
1009 					ucontrol->value.iec958.status[i]);
1010 			else
1011 				pcxhr_iec958_update_byte(chip, i,
1012 					ucontrol->value.iec958.status[i]);
1013 			changed = 1;
1014 		}
1015 	}
1016 	mutex_unlock(&chip->mgr->mixer_mutex);
1017 	return changed;
1018 }
1019 
1020 static struct snd_kcontrol_new pcxhr_control_playback_iec958_mask = {
1021 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1022 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1023 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1024 	.info =		pcxhr_iec958_info,
1025 	.get =		pcxhr_iec958_mask_get
1026 };
1027 static struct snd_kcontrol_new pcxhr_control_playback_iec958 = {
1028 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1029 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1030 	.info =         pcxhr_iec958_info,
1031 	.get =          pcxhr_iec958_get,
1032 	.put =          pcxhr_iec958_put,
1033 	.private_value = 0 /* playback */
1034 };
1035 
1036 static struct snd_kcontrol_new pcxhr_control_capture_iec958_mask = {
1037 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1038 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1039 	.name =		SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
1040 	.info =		pcxhr_iec958_info,
1041 	.get =		pcxhr_iec958_mask_get
1042 };
1043 static struct snd_kcontrol_new pcxhr_control_capture_iec958 = {
1044 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1045 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1046 	.name =         SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1047 	.info =         pcxhr_iec958_info,
1048 	.get =          pcxhr_iec958_get,
1049 	.private_value = 1 /* capture */
1050 };
1051 
1052 static void pcxhr_init_audio_levels(struct snd_pcxhr *chip)
1053 {
1054 	int i;
1055 
1056 	for (i = 0; i < 2; i++) {
1057 		if (chip->nb_streams_play) {
1058 			int j;
1059 			/* at boot time the digital volumes are unmuted 0dB */
1060 			for (j = 0; j < PCXHR_PLAYBACK_STREAMS; j++) {
1061 				chip->digital_playback_active[j][i] = 1;
1062 				chip->digital_playback_volume[j][i] =
1063 					PCXHR_DIGITAL_ZERO_LEVEL;
1064 			}
1065 			/* after boot, only two bits are set on the uer
1066 			 * interface
1067 			 */
1068 			chip->aes_bits[0] = (IEC958_AES0_PROFESSIONAL |
1069 					     IEC958_AES0_PRO_FS_48000);
1070 #ifdef CONFIG_SND_DEBUG
1071 			/* analog volumes for playback
1072 			 * (is LEVEL_MIN after boot)
1073 			 */
1074 			chip->analog_playback_active[i] = 1;
1075 			if (chip->mgr->is_hr_stereo)
1076 				chip->analog_playback_volume[i] =
1077 					HR222_LINE_PLAYBACK_ZERO_LEVEL;
1078 			else {
1079 				chip->analog_playback_volume[i] =
1080 					PCXHR_LINE_PLAYBACK_ZERO_LEVEL;
1081 				pcxhr_update_analog_audio_level(chip, 0, i);
1082 			}
1083 #endif
1084 			/* stereo cards need to be initialised after boot */
1085 			if (chip->mgr->is_hr_stereo)
1086 				hr222_update_analog_audio_level(chip, 0, i);
1087 		}
1088 		if (chip->nb_streams_capt) {
1089 			/* at boot time the digital volumes are unmuted 0dB */
1090 			chip->digital_capture_volume[i] =
1091 				PCXHR_DIGITAL_ZERO_LEVEL;
1092 			chip->analog_capture_active = 1;
1093 #ifdef CONFIG_SND_DEBUG
1094 			/* analog volumes for playback
1095 			 * (is LEVEL_MIN after boot)
1096 			 */
1097 			if (chip->mgr->is_hr_stereo)
1098 				chip->analog_capture_volume[i] =
1099 					HR222_LINE_CAPTURE_ZERO_LEVEL;
1100 			else {
1101 				chip->analog_capture_volume[i] =
1102 					PCXHR_LINE_CAPTURE_ZERO_LEVEL;
1103 				pcxhr_update_analog_audio_level(chip, 1, i);
1104 			}
1105 #endif
1106 			/* stereo cards need to be initialised after boot */
1107 			if (chip->mgr->is_hr_stereo)
1108 				hr222_update_analog_audio_level(chip, 1, i);
1109 		}
1110 	}
1111 
1112 	return;
1113 }
1114 
1115 
1116 int pcxhr_create_mixer(struct pcxhr_mgr *mgr)
1117 {
1118 	struct snd_pcxhr *chip;
1119 	int err, i;
1120 
1121 	mutex_init(&mgr->mixer_mutex); /* can be in another place */
1122 
1123 	for (i = 0; i < mgr->num_cards; i++) {
1124 		struct snd_kcontrol_new temp;
1125 		chip = mgr->chip[i];
1126 
1127 		if (chip->nb_streams_play) {
1128 			/* analog output level control */
1129 			temp = pcxhr_control_analog_level;
1130 			temp.name = "Master Playback Volume";
1131 			temp.private_value = 0; /* playback */
1132 			if (mgr->is_hr_stereo)
1133 				temp.tlv.p = db_scale_a_hr222_playback;
1134 			else
1135 				temp.tlv.p = db_scale_analog_playback;
1136 			err = snd_ctl_add(chip->card,
1137 					  snd_ctl_new1(&temp, chip));
1138 			if (err < 0)
1139 				return err;
1140 
1141 			/* output mute controls */
1142 			err = snd_ctl_add(chip->card,
1143 				snd_ctl_new1(&pcxhr_control_output_switch,
1144 					     chip));
1145 			if (err < 0)
1146 				return err;
1147 
1148 			temp = snd_pcxhr_pcm_vol;
1149 			temp.name = "PCM Playback Volume";
1150 			temp.count = PCXHR_PLAYBACK_STREAMS;
1151 			temp.private_value = 0; /* playback */
1152 			err = snd_ctl_add(chip->card,
1153 					  snd_ctl_new1(&temp, chip));
1154 			if (err < 0)
1155 				return err;
1156 
1157 			err = snd_ctl_add(chip->card,
1158 				snd_ctl_new1(&pcxhr_control_pcm_switch, chip));
1159 			if (err < 0)
1160 				return err;
1161 
1162 			/* IEC958 controls */
1163 			err = snd_ctl_add(chip->card,
1164 				snd_ctl_new1(&pcxhr_control_playback_iec958_mask,
1165 					     chip));
1166 			if (err < 0)
1167 				return err;
1168 
1169 			err = snd_ctl_add(chip->card,
1170 				snd_ctl_new1(&pcxhr_control_playback_iec958,
1171 					     chip));
1172 			if (err < 0)
1173 				return err;
1174 		}
1175 		if (chip->nb_streams_capt) {
1176 			/* analog input level control */
1177 			temp = pcxhr_control_analog_level;
1178 			temp.name = "Line Capture Volume";
1179 			temp.private_value = 1; /* capture */
1180 			if (mgr->is_hr_stereo)
1181 				temp.tlv.p = db_scale_a_hr222_capture;
1182 			else
1183 				temp.tlv.p = db_scale_analog_capture;
1184 
1185 			err = snd_ctl_add(chip->card,
1186 					  snd_ctl_new1(&temp, chip));
1187 			if (err < 0)
1188 				return err;
1189 
1190 			temp = snd_pcxhr_pcm_vol;
1191 			temp.name = "PCM Capture Volume";
1192 			temp.count = 1;
1193 			temp.private_value = 1; /* capture */
1194 
1195 			err = snd_ctl_add(chip->card,
1196 					  snd_ctl_new1(&temp, chip));
1197 			if (err < 0)
1198 				return err;
1199 
1200 			/* Audio source */
1201 			err = snd_ctl_add(chip->card,
1202 				snd_ctl_new1(&pcxhr_control_audio_src, chip));
1203 			if (err < 0)
1204 				return err;
1205 
1206 			/* IEC958 controls */
1207 			err = snd_ctl_add(chip->card,
1208 				snd_ctl_new1(&pcxhr_control_capture_iec958_mask,
1209 					     chip));
1210 			if (err < 0)
1211 				return err;
1212 
1213 			err = snd_ctl_add(chip->card,
1214 				snd_ctl_new1(&pcxhr_control_capture_iec958,
1215 					     chip));
1216 			if (err < 0)
1217 				return err;
1218 
1219 			if (mgr->is_hr_stereo) {
1220 				err = hr222_add_mic_controls(chip);
1221 				if (err < 0)
1222 					return err;
1223 			}
1224 		}
1225 		/* monitoring only if playback and capture device available */
1226 		if (chip->nb_streams_capt > 0 && chip->nb_streams_play > 0) {
1227 			/* monitoring */
1228 			err = snd_ctl_add(chip->card,
1229 				snd_ctl_new1(&pcxhr_control_monitor_vol, chip));
1230 			if (err < 0)
1231 				return err;
1232 
1233 			err = snd_ctl_add(chip->card,
1234 				snd_ctl_new1(&pcxhr_control_monitor_sw, chip));
1235 			if (err < 0)
1236 				return err;
1237 		}
1238 
1239 		if (i == 0) {
1240 			/* clock mode only one control per pcxhr */
1241 			err = snd_ctl_add(chip->card,
1242 				snd_ctl_new1(&pcxhr_control_clock_type, mgr));
1243 			if (err < 0)
1244 				return err;
1245 			/* non standard control used to scan
1246 			 * the external clock presence/frequencies
1247 			 */
1248 			err = snd_ctl_add(chip->card,
1249 				snd_ctl_new1(&pcxhr_control_clock_rate, mgr));
1250 			if (err < 0)
1251 				return err;
1252 		}
1253 
1254 		/* init values for the mixer data */
1255 		pcxhr_init_audio_levels(chip);
1256 	}
1257 
1258 	return 0;
1259 }
1260