xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_mixer.c (revision 95e9fd10)
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 		snd_printk(KERN_DEBUG "error update_analog_audio_level card(%d)"
76 			   " is_capture(%d) err(%x)\n",
77 			   chip->chip_idx, is_capture, err);
78 		return -EINVAL;
79 	}
80 	return 0;
81 }
82 
83 /*
84  * analog level control
85  */
86 static int pcxhr_analog_vol_info(struct snd_kcontrol *kcontrol,
87 				 struct snd_ctl_elem_info *uinfo)
88 {
89 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
90 
91 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
92 	uinfo->count = 2;
93 	if (kcontrol->private_value == 0) {	/* playback */
94 	    if (chip->mgr->is_hr_stereo) {
95 		uinfo->value.integer.min =
96 			HR222_LINE_PLAYBACK_LEVEL_MIN;	/* -25 dB */
97 		uinfo->value.integer.max =
98 			HR222_LINE_PLAYBACK_LEVEL_MAX;	/* +24 dB */
99 	    } else {
100 		uinfo->value.integer.min =
101 			PCXHR_LINE_PLAYBACK_LEVEL_MIN;	/*-104 dB */
102 		uinfo->value.integer.max =
103 			PCXHR_LINE_PLAYBACK_LEVEL_MAX;	/* +24 dB */
104 	    }
105 	} else {				/* capture */
106 	    if (chip->mgr->is_hr_stereo) {
107 		uinfo->value.integer.min =
108 			HR222_LINE_CAPTURE_LEVEL_MIN;	/*-112 dB */
109 		uinfo->value.integer.max =
110 			HR222_LINE_CAPTURE_LEVEL_MAX;	/* +15.5 dB */
111 	    } else {
112 		uinfo->value.integer.min =
113 			PCXHR_LINE_CAPTURE_LEVEL_MIN;	/*-112 dB */
114 		uinfo->value.integer.max =
115 			PCXHR_LINE_CAPTURE_LEVEL_MAX;	/* +15.5 dB */
116 	    }
117 	}
118 	return 0;
119 }
120 
121 static int pcxhr_analog_vol_get(struct snd_kcontrol *kcontrol,
122 				struct snd_ctl_elem_value *ucontrol)
123 {
124 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
125 	mutex_lock(&chip->mgr->mixer_mutex);
126 	if (kcontrol->private_value == 0) {	/* playback */
127 	  ucontrol->value.integer.value[0] = chip->analog_playback_volume[0];
128 	  ucontrol->value.integer.value[1] = chip->analog_playback_volume[1];
129 	} else {				/* capture */
130 	  ucontrol->value.integer.value[0] = chip->analog_capture_volume[0];
131 	  ucontrol->value.integer.value[1] = chip->analog_capture_volume[1];
132 	}
133 	mutex_unlock(&chip->mgr->mixer_mutex);
134 	return 0;
135 }
136 
137 static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol,
138 				struct snd_ctl_elem_value *ucontrol)
139 {
140 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
141 	int changed = 0;
142 	int is_capture, i;
143 
144 	mutex_lock(&chip->mgr->mixer_mutex);
145 	is_capture = (kcontrol->private_value != 0);
146 	for (i = 0; i < 2; i++) {
147 		int  new_volume = ucontrol->value.integer.value[i];
148 		int *stored_volume = is_capture ?
149 			&chip->analog_capture_volume[i] :
150 			&chip->analog_playback_volume[i];
151 		if (is_capture) {
152 			if (chip->mgr->is_hr_stereo) {
153 				if (new_volume < HR222_LINE_CAPTURE_LEVEL_MIN ||
154 				    new_volume > HR222_LINE_CAPTURE_LEVEL_MAX)
155 					continue;
156 			} else {
157 				if (new_volume < PCXHR_LINE_CAPTURE_LEVEL_MIN ||
158 				    new_volume > PCXHR_LINE_CAPTURE_LEVEL_MAX)
159 					continue;
160 			}
161 		} else {
162 			if (chip->mgr->is_hr_stereo) {
163 				if (new_volume < HR222_LINE_PLAYBACK_LEVEL_MIN ||
164 				    new_volume > HR222_LINE_PLAYBACK_LEVEL_MAX)
165 					continue;
166 			} else {
167 				if (new_volume < PCXHR_LINE_PLAYBACK_LEVEL_MIN ||
168 				    new_volume > PCXHR_LINE_PLAYBACK_LEVEL_MAX)
169 					continue;
170 			}
171 		}
172 		if (*stored_volume != new_volume) {
173 			*stored_volume = new_volume;
174 			changed = 1;
175 			if (chip->mgr->is_hr_stereo)
176 				hr222_update_analog_audio_level(chip,
177 								is_capture, i);
178 			else
179 				pcxhr_update_analog_audio_level(chip,
180 								is_capture, i);
181 		}
182 	}
183 	mutex_unlock(&chip->mgr->mixer_mutex);
184 	return changed;
185 }
186 
187 static struct snd_kcontrol_new pcxhr_control_analog_level = {
188 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
189 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
190 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
191 	/* name will be filled later */
192 	.info =		pcxhr_analog_vol_info,
193 	.get =		pcxhr_analog_vol_get,
194 	.put =		pcxhr_analog_vol_put,
195 	/* tlv will be filled later */
196 };
197 
198 /* shared */
199 
200 #define pcxhr_sw_info		snd_ctl_boolean_stereo_info
201 
202 static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol,
203 			      struct snd_ctl_elem_value *ucontrol)
204 {
205 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
206 
207 	mutex_lock(&chip->mgr->mixer_mutex);
208 	ucontrol->value.integer.value[0] = chip->analog_playback_active[0];
209 	ucontrol->value.integer.value[1] = chip->analog_playback_active[1];
210 	mutex_unlock(&chip->mgr->mixer_mutex);
211 	return 0;
212 }
213 
214 static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol,
215 			      struct snd_ctl_elem_value *ucontrol)
216 {
217 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
218 	int i, changed = 0;
219 	mutex_lock(&chip->mgr->mixer_mutex);
220 	for(i = 0; i < 2; i++) {
221 		if (chip->analog_playback_active[i] !=
222 		    ucontrol->value.integer.value[i]) {
223 			chip->analog_playback_active[i] =
224 				!!ucontrol->value.integer.value[i];
225 			changed = 1;
226 			/* update playback levels */
227 			if (chip->mgr->is_hr_stereo)
228 				hr222_update_analog_audio_level(chip, 0, i);
229 			else
230 				pcxhr_update_analog_audio_level(chip, 0, i);
231 		}
232 	}
233 	mutex_unlock(&chip->mgr->mixer_mutex);
234 	return changed;
235 }
236 
237 static struct snd_kcontrol_new pcxhr_control_output_switch = {
238 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
239 	.name =		"Master Playback Switch",
240 	.info =		pcxhr_sw_info,		/* shared */
241 	.get =		pcxhr_audio_sw_get,
242 	.put =		pcxhr_audio_sw_put
243 };
244 
245 
246 #define PCXHR_DIGITAL_LEVEL_MIN		0x000	/* -110 dB */
247 #define PCXHR_DIGITAL_LEVEL_MAX		0x1ff	/* +18 dB */
248 #define PCXHR_DIGITAL_ZERO_LEVEL	0x1b7	/*  0 dB */
249 
250 static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10975, 25, 1800);
251 
252 #define MORE_THAN_ONE_STREAM_LEVEL	0x000001
253 #define VALID_STREAM_PAN_LEVEL_MASK	0x800000
254 #define VALID_STREAM_LEVEL_MASK		0x400000
255 #define VALID_STREAM_LEVEL_1_MASK	0x200000
256 #define VALID_STREAM_LEVEL_2_MASK	0x100000
257 
258 static int pcxhr_update_playback_stream_level(struct snd_pcxhr* chip, int idx)
259 {
260 	int err;
261 	struct pcxhr_rmh rmh;
262 	struct pcxhr_pipe *pipe = &chip->playback_pipe;
263 	int left, right;
264 
265 	if (chip->digital_playback_active[idx][0])
266 		left = chip->digital_playback_volume[idx][0];
267 	else
268 		left = PCXHR_DIGITAL_LEVEL_MIN;
269 	if (chip->digital_playback_active[idx][1])
270 		right = chip->digital_playback_volume[idx][1];
271 	else
272 		right = PCXHR_DIGITAL_LEVEL_MIN;
273 
274 	pcxhr_init_rmh(&rmh, CMD_STREAM_OUT_LEVEL_ADJUST);
275 	/* add pipe and stream mask */
276 	pcxhr_set_pipe_cmd_params(&rmh, 0, pipe->first_audio, 0, 1<<idx);
277 	/* volume left->left / right->right panoramic level */
278 	rmh.cmd[0] |= MORE_THAN_ONE_STREAM_LEVEL;
279 	rmh.cmd[2]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_1_MASK;
280 	rmh.cmd[2] |= (left << 10);
281 	rmh.cmd[3]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_2_MASK;
282 	rmh.cmd[3] |= right;
283 	rmh.cmd_len = 4;
284 
285 	err = pcxhr_send_msg(chip->mgr, &rmh);
286 	if (err < 0) {
287 		snd_printk(KERN_DEBUG "error update_playback_stream_level "
288 			   "card(%d) err(%x)\n", chip->chip_idx, err);
289 		return -EINVAL;
290 	}
291 	return 0;
292 }
293 
294 #define AUDIO_IO_HAS_MUTE_LEVEL		0x400000
295 #define AUDIO_IO_HAS_MUTE_MONITOR_1	0x200000
296 #define VALID_AUDIO_IO_DIGITAL_LEVEL	0x000001
297 #define VALID_AUDIO_IO_MONITOR_LEVEL	0x000002
298 #define VALID_AUDIO_IO_MUTE_LEVEL	0x000004
299 #define VALID_AUDIO_IO_MUTE_MONITOR_1	0x000008
300 
301 static int pcxhr_update_audio_pipe_level(struct snd_pcxhr *chip,
302 					 int capture, int channel)
303 {
304 	int err;
305 	struct pcxhr_rmh rmh;
306 	struct pcxhr_pipe *pipe;
307 
308 	if (capture)
309 		pipe = &chip->capture_pipe[0];
310 	else
311 		pipe = &chip->playback_pipe;
312 
313 	pcxhr_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
314 	/* add channel mask */
315 	pcxhr_set_pipe_cmd_params(&rmh, capture, 0, 0,
316 				  1 << (channel + pipe->first_audio));
317 	/* TODO : if mask (3 << pipe->first_audio) is used, left and right
318 	 * channel will be programmed to the same params */
319 	if (capture) {
320 		rmh.cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
321 		/* VALID_AUDIO_IO_MUTE_LEVEL not yet handled
322 		 * (capture pipe level) */
323 		rmh.cmd[2] = chip->digital_capture_volume[channel];
324 	} else {
325 		rmh.cmd[0] |=	VALID_AUDIO_IO_MONITOR_LEVEL |
326 				VALID_AUDIO_IO_MUTE_MONITOR_1;
327 		/* VALID_AUDIO_IO_DIGITAL_LEVEL and VALID_AUDIO_IO_MUTE_LEVEL
328 		 * not yet handled (playback pipe level)
329 		 */
330 		rmh.cmd[2] = chip->monitoring_volume[channel] << 10;
331 		if (chip->monitoring_active[channel] == 0)
332 			rmh.cmd[2] |= AUDIO_IO_HAS_MUTE_MONITOR_1;
333 	}
334 	rmh.cmd_len = 3;
335 
336 	err = pcxhr_send_msg(chip->mgr, &rmh);
337 	if (err < 0) {
338 		snd_printk(KERN_DEBUG "error update_audio_level(%d) err=%x\n",
339 			   chip->chip_idx, err);
340 		return -EINVAL;
341 	}
342 	return 0;
343 }
344 
345 
346 /* shared */
347 static int pcxhr_digital_vol_info(struct snd_kcontrol *kcontrol,
348 				  struct snd_ctl_elem_info *uinfo)
349 {
350 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
351 	uinfo->count = 2;
352 	uinfo->value.integer.min = PCXHR_DIGITAL_LEVEL_MIN;   /* -109.5 dB */
353 	uinfo->value.integer.max = PCXHR_DIGITAL_LEVEL_MAX;   /*   18.0 dB */
354 	return 0;
355 }
356 
357 
358 static int pcxhr_pcm_vol_get(struct snd_kcontrol *kcontrol,
359 			     struct snd_ctl_elem_value *ucontrol)
360 {
361 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
362 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);	/* index */
363 	int *stored_volume;
364 	int is_capture = kcontrol->private_value;
365 
366 	mutex_lock(&chip->mgr->mixer_mutex);
367 	if (is_capture)		/* digital capture */
368 		stored_volume = chip->digital_capture_volume;
369 	else			/* digital playback */
370 		stored_volume = chip->digital_playback_volume[idx];
371 	ucontrol->value.integer.value[0] = stored_volume[0];
372 	ucontrol->value.integer.value[1] = stored_volume[1];
373 	mutex_unlock(&chip->mgr->mixer_mutex);
374 	return 0;
375 }
376 
377 static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol,
378 			     struct snd_ctl_elem_value *ucontrol)
379 {
380 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
381 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);	/* index */
382 	int changed = 0;
383 	int is_capture = kcontrol->private_value;
384 	int *stored_volume;
385 	int i;
386 
387 	mutex_lock(&chip->mgr->mixer_mutex);
388 	if (is_capture)		/* digital capture */
389 		stored_volume = chip->digital_capture_volume;
390 	else			/* digital playback */
391 		stored_volume = chip->digital_playback_volume[idx];
392 	for (i = 0; i < 2; i++) {
393 		int vol = ucontrol->value.integer.value[i];
394 		if (vol < PCXHR_DIGITAL_LEVEL_MIN ||
395 		    vol > PCXHR_DIGITAL_LEVEL_MAX)
396 			continue;
397 		if (stored_volume[i] != vol) {
398 			stored_volume[i] = vol;
399 			changed = 1;
400 			if (is_capture)	/* update capture volume */
401 				pcxhr_update_audio_pipe_level(chip, 1, i);
402 		}
403 	}
404 	if (!is_capture && changed)	/* update playback volume */
405 		pcxhr_update_playback_stream_level(chip, idx);
406 	mutex_unlock(&chip->mgr->mixer_mutex);
407 	return changed;
408 }
409 
410 static struct snd_kcontrol_new snd_pcxhr_pcm_vol =
411 {
412 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
413 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
414 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
415 	/* name will be filled later */
416 	/* count will be filled later */
417 	.info =		pcxhr_digital_vol_info,		/* shared */
418 	.get =		pcxhr_pcm_vol_get,
419 	.put =		pcxhr_pcm_vol_put,
420 	.tlv = { .p = db_scale_digital },
421 };
422 
423 
424 static int pcxhr_pcm_sw_get(struct snd_kcontrol *kcontrol,
425 			    struct snd_ctl_elem_value *ucontrol)
426 {
427 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
428 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
429 
430 	mutex_lock(&chip->mgr->mixer_mutex);
431 	ucontrol->value.integer.value[0] = chip->digital_playback_active[idx][0];
432 	ucontrol->value.integer.value[1] = chip->digital_playback_active[idx][1];
433 	mutex_unlock(&chip->mgr->mixer_mutex);
434 	return 0;
435 }
436 
437 static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol,
438 			    struct snd_ctl_elem_value *ucontrol)
439 {
440 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
441 	int changed = 0;
442 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
443 	int i, j;
444 
445 	mutex_lock(&chip->mgr->mixer_mutex);
446 	j = idx;
447 	for (i = 0; i < 2; i++) {
448 		if (chip->digital_playback_active[j][i] !=
449 		    ucontrol->value.integer.value[i]) {
450 			chip->digital_playback_active[j][i] =
451 				!!ucontrol->value.integer.value[i];
452 			changed = 1;
453 		}
454 	}
455 	if (changed)
456 		pcxhr_update_playback_stream_level(chip, idx);
457 	mutex_unlock(&chip->mgr->mixer_mutex);
458 	return changed;
459 }
460 
461 static struct snd_kcontrol_new pcxhr_control_pcm_switch = {
462 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
463 	.name =		"PCM Playback Switch",
464 	.count =	PCXHR_PLAYBACK_STREAMS,
465 	.info =		pcxhr_sw_info,		/* shared */
466 	.get =		pcxhr_pcm_sw_get,
467 	.put =		pcxhr_pcm_sw_put
468 };
469 
470 
471 /*
472  * monitoring level control
473  */
474 
475 static int pcxhr_monitor_vol_get(struct snd_kcontrol *kcontrol,
476 				 struct snd_ctl_elem_value *ucontrol)
477 {
478 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
479 	mutex_lock(&chip->mgr->mixer_mutex);
480 	ucontrol->value.integer.value[0] = chip->monitoring_volume[0];
481 	ucontrol->value.integer.value[1] = chip->monitoring_volume[1];
482 	mutex_unlock(&chip->mgr->mixer_mutex);
483 	return 0;
484 }
485 
486 static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol,
487 				 struct snd_ctl_elem_value *ucontrol)
488 {
489 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
490 	int changed = 0;
491 	int i;
492 
493 	mutex_lock(&chip->mgr->mixer_mutex);
494 	for (i = 0; i < 2; i++) {
495 		if (chip->monitoring_volume[i] !=
496 		    ucontrol->value.integer.value[i]) {
497 			chip->monitoring_volume[i] =
498 				ucontrol->value.integer.value[i];
499 			if (chip->monitoring_active[i])
500 				/* update monitoring volume and mute */
501 				/* do only when monitoring is unmuted */
502 				pcxhr_update_audio_pipe_level(chip, 0, i);
503 			changed = 1;
504 		}
505 	}
506 	mutex_unlock(&chip->mgr->mixer_mutex);
507 	return changed;
508 }
509 
510 static struct snd_kcontrol_new pcxhr_control_monitor_vol = {
511 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
512 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
513 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
514 	.name =         "Monitoring Playback Volume",
515 	.info =		pcxhr_digital_vol_info,		/* shared */
516 	.get =		pcxhr_monitor_vol_get,
517 	.put =		pcxhr_monitor_vol_put,
518 	.tlv = { .p = db_scale_digital },
519 };
520 
521 /*
522  * monitoring switch control
523  */
524 
525 static int pcxhr_monitor_sw_get(struct snd_kcontrol *kcontrol,
526 				struct snd_ctl_elem_value *ucontrol)
527 {
528 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
529 	mutex_lock(&chip->mgr->mixer_mutex);
530 	ucontrol->value.integer.value[0] = chip->monitoring_active[0];
531 	ucontrol->value.integer.value[1] = chip->monitoring_active[1];
532 	mutex_unlock(&chip->mgr->mixer_mutex);
533 	return 0;
534 }
535 
536 static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol,
537 				struct snd_ctl_elem_value *ucontrol)
538 {
539 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
540 	int changed = 0;
541 	int i;
542 
543 	mutex_lock(&chip->mgr->mixer_mutex);
544 	for (i = 0; i < 2; i++) {
545 		if (chip->monitoring_active[i] !=
546 		    ucontrol->value.integer.value[i]) {
547 			chip->monitoring_active[i] =
548 				!!ucontrol->value.integer.value[i];
549 			changed |= (1<<i); /* mask 0x01 and 0x02 */
550 		}
551 	}
552 	if (changed & 0x01)
553 		/* update left monitoring volume and mute */
554 		pcxhr_update_audio_pipe_level(chip, 0, 0);
555 	if (changed & 0x02)
556 		/* update right monitoring volume and mute */
557 		pcxhr_update_audio_pipe_level(chip, 0, 1);
558 
559 	mutex_unlock(&chip->mgr->mixer_mutex);
560 	return (changed != 0);
561 }
562 
563 static struct snd_kcontrol_new pcxhr_control_monitor_sw = {
564 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
565 	.name =         "Monitoring Playback Switch",
566 	.info =         pcxhr_sw_info,		/* shared */
567 	.get =          pcxhr_monitor_sw_get,
568 	.put =          pcxhr_monitor_sw_put
569 };
570 
571 
572 
573 /*
574  * audio source select
575  */
576 #define PCXHR_SOURCE_AUDIO01_UER	0x000100
577 #define PCXHR_SOURCE_AUDIO01_SYNC	0x000200
578 #define PCXHR_SOURCE_AUDIO23_UER	0x000400
579 #define PCXHR_SOURCE_AUDIO45_UER	0x001000
580 #define PCXHR_SOURCE_AUDIO67_UER	0x040000
581 
582 static int pcxhr_set_audio_source(struct snd_pcxhr* chip)
583 {
584 	struct pcxhr_rmh rmh;
585 	unsigned int mask, reg;
586 	unsigned int codec;
587 	int err, changed;
588 
589 	switch (chip->chip_idx) {
590 	case 0 : mask = PCXHR_SOURCE_AUDIO01_UER; codec = CS8420_01_CS; break;
591 	case 1 : mask = PCXHR_SOURCE_AUDIO23_UER; codec = CS8420_23_CS; break;
592 	case 2 : mask = PCXHR_SOURCE_AUDIO45_UER; codec = CS8420_45_CS; break;
593 	case 3 : mask = PCXHR_SOURCE_AUDIO67_UER; codec = CS8420_67_CS; break;
594 	default: return -EINVAL;
595 	}
596 	if (chip->audio_capture_source != 0) {
597 		reg = mask;	/* audio source from digital plug */
598 	} else {
599 		reg = 0;	/* audio source from analog plug */
600 	}
601 	/* set the input source */
602 	pcxhr_write_io_num_reg_cont(chip->mgr, mask, reg, &changed);
603 	/* resync them (otherwise channel inversion possible) */
604 	if (changed) {
605 		pcxhr_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS);
606 		rmh.cmd[0] |= (1 << chip->chip_idx);
607 		err = pcxhr_send_msg(chip->mgr, &rmh);
608 		if (err)
609 			return err;
610 	}
611 	if (chip->mgr->board_aes_in_192k) {
612 		int i;
613 		unsigned int src_config = 0xC0;
614 		/* update all src configs with one call */
615 		for (i = 0; (i < 4) && (i < chip->mgr->capture_chips); i++) {
616 			if (chip->mgr->chip[i]->audio_capture_source == 2)
617 				src_config |= (1 << (3 - i));
618 		}
619 		/* set codec SRC on off */
620 		pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
621 		rmh.cmd_len = 2;
622 		rmh.cmd[0] |= IO_NUM_REG_CONFIG_SRC;
623 		rmh.cmd[1] = src_config;
624 		err = pcxhr_send_msg(chip->mgr, &rmh);
625 	} else {
626 		int use_src = 0;
627 		if (chip->audio_capture_source == 2)
628 			use_src = 1;
629 		/* set codec SRC on off */
630 		pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
631 		rmh.cmd_len = 3;
632 		rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
633 		rmh.cmd[1] = codec;
634 		rmh.cmd[2] = ((CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) |
635 			      (use_src ? 0x41 : 0x54));
636 		err = pcxhr_send_msg(chip->mgr, &rmh);
637 		if (err)
638 			return err;
639 		rmh.cmd[2] = ((CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) |
640 			      (use_src ? 0x41 : 0x49));
641 		err = pcxhr_send_msg(chip->mgr, &rmh);
642 	}
643 	return err;
644 }
645 
646 static int pcxhr_audio_src_info(struct snd_kcontrol *kcontrol,
647 				struct snd_ctl_elem_info *uinfo)
648 {
649 	static const char *texts[5] = {
650 		"Line", "Digital", "Digi+SRC", "Mic", "Line+Mic"
651 	};
652 	int i;
653 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
654 
655 	i = 2;			/* no SRC, no Mic available */
656 	if (chip->mgr->board_has_aes1) {
657 		i = 3;		/* SRC available */
658 		if (chip->mgr->board_has_mic)
659 			i = 5;	/* Mic and MicroMix available */
660 	}
661 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
662 	uinfo->count = 1;
663 	uinfo->value.enumerated.items = i;
664 	if (uinfo->value.enumerated.item > (i-1))
665 		uinfo->value.enumerated.item = i-1;
666 	strcpy(uinfo->value.enumerated.name,
667 		texts[uinfo->value.enumerated.item]);
668 	return 0;
669 }
670 
671 static int pcxhr_audio_src_get(struct snd_kcontrol *kcontrol,
672 			       struct snd_ctl_elem_value *ucontrol)
673 {
674 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
675 	ucontrol->value.enumerated.item[0] = chip->audio_capture_source;
676 	return 0;
677 }
678 
679 static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol,
680 			       struct snd_ctl_elem_value *ucontrol)
681 {
682 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
683 	int ret = 0;
684 	int i = 2;		/* no SRC, no Mic available */
685 	if (chip->mgr->board_has_aes1) {
686 		i = 3;		/* SRC available */
687 		if (chip->mgr->board_has_mic)
688 			i = 5;	/* Mic and MicroMix available */
689 	}
690 	if (ucontrol->value.enumerated.item[0] >= i)
691 		return -EINVAL;
692 	mutex_lock(&chip->mgr->mixer_mutex);
693 	if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) {
694 		chip->audio_capture_source = ucontrol->value.enumerated.item[0];
695 		if (chip->mgr->is_hr_stereo)
696 			hr222_set_audio_source(chip);
697 		else
698 			pcxhr_set_audio_source(chip);
699 		ret = 1;
700 	}
701 	mutex_unlock(&chip->mgr->mixer_mutex);
702 	return ret;
703 }
704 
705 static struct snd_kcontrol_new pcxhr_control_audio_src = {
706 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
707 	.name =		"Capture Source",
708 	.info =		pcxhr_audio_src_info,
709 	.get =		pcxhr_audio_src_get,
710 	.put =		pcxhr_audio_src_put,
711 };
712 
713 
714 /*
715  * clock type selection
716  * enum pcxhr_clock_type {
717  *	PCXHR_CLOCK_TYPE_INTERNAL = 0,
718  *	PCXHR_CLOCK_TYPE_WORD_CLOCK,
719  *	PCXHR_CLOCK_TYPE_AES_SYNC,
720  *	PCXHR_CLOCK_TYPE_AES_1,
721  *	PCXHR_CLOCK_TYPE_AES_2,
722  *	PCXHR_CLOCK_TYPE_AES_3,
723  *	PCXHR_CLOCK_TYPE_AES_4,
724  *	PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4,
725  *	HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL,
726  *	HR22_CLOCK_TYPE_AES_SYNC,
727  *	HR22_CLOCK_TYPE_AES_1,
728  *	HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1,
729  * };
730  */
731 
732 static int pcxhr_clock_type_info(struct snd_kcontrol *kcontrol,
733 				 struct snd_ctl_elem_info *uinfo)
734 {
735 	static const char *textsPCXHR[7] = {
736 		"Internal", "WordClock", "AES Sync",
737 		"AES 1", "AES 2", "AES 3", "AES 4"
738 	};
739 	static const char *textsHR22[3] = {
740 		"Internal", "AES Sync", "AES 1"
741 	};
742 	const char **texts;
743 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
744 	int clock_items = 2;	/* at least Internal and AES Sync clock */
745 	if (mgr->board_has_aes1) {
746 		clock_items += mgr->capture_chips;	/* add AES x */
747 		if (!mgr->is_hr_stereo)
748 			clock_items += 1;		/* add word clock */
749 	}
750 	if (mgr->is_hr_stereo) {
751 		texts = textsHR22;
752 		snd_BUG_ON(clock_items > (HR22_CLOCK_TYPE_MAX+1));
753 	} else {
754 		texts = textsPCXHR;
755 		snd_BUG_ON(clock_items > (PCXHR_CLOCK_TYPE_MAX+1));
756 	}
757 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
758 	uinfo->count = 1;
759 	uinfo->value.enumerated.items = clock_items;
760 	if (uinfo->value.enumerated.item >= clock_items)
761 		uinfo->value.enumerated.item = clock_items-1;
762 	strcpy(uinfo->value.enumerated.name,
763 		texts[uinfo->value.enumerated.item]);
764 	return 0;
765 }
766 
767 static int pcxhr_clock_type_get(struct snd_kcontrol *kcontrol,
768 				struct snd_ctl_elem_value *ucontrol)
769 {
770 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
771 	ucontrol->value.enumerated.item[0] = mgr->use_clock_type;
772 	return 0;
773 }
774 
775 static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol,
776 				struct snd_ctl_elem_value *ucontrol)
777 {
778 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
779 	int rate, ret = 0;
780 	unsigned int clock_items = 2; /* at least Internal and AES Sync clock */
781 	if (mgr->board_has_aes1) {
782 		clock_items += mgr->capture_chips;	/* add AES x */
783 		if (!mgr->is_hr_stereo)
784 			clock_items += 1;		/* add word clock */
785 	}
786 	if (ucontrol->value.enumerated.item[0] >= clock_items)
787 		return -EINVAL;
788 	mutex_lock(&mgr->mixer_mutex);
789 	if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) {
790 		mutex_lock(&mgr->setup_mutex);
791 		mgr->use_clock_type = ucontrol->value.enumerated.item[0];
792 		rate = 0;
793 		if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
794 			pcxhr_get_external_clock(mgr, mgr->use_clock_type,
795 						 &rate);
796 		} else {
797 			rate = mgr->sample_rate;
798 			if (!rate)
799 				rate = 48000;
800 		}
801 		if (rate) {
802 			pcxhr_set_clock(mgr, rate);
803 			if (mgr->sample_rate)
804 				mgr->sample_rate = rate;
805 		}
806 		mutex_unlock(&mgr->setup_mutex);
807 		ret = 1; /* return 1 even if the set was not done. ok ? */
808 	}
809 	mutex_unlock(&mgr->mixer_mutex);
810 	return ret;
811 }
812 
813 static struct snd_kcontrol_new pcxhr_control_clock_type = {
814 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
815 	.name =		"Clock Mode",
816 	.info =		pcxhr_clock_type_info,
817 	.get =		pcxhr_clock_type_get,
818 	.put =		pcxhr_clock_type_put,
819 };
820 
821 /*
822  * clock rate control
823  * specific control that scans the sample rates on the external plugs
824  */
825 static int pcxhr_clock_rate_info(struct snd_kcontrol *kcontrol,
826 				 struct snd_ctl_elem_info *uinfo)
827 {
828 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
829 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
830 	uinfo->count = 3 + mgr->capture_chips;
831 	uinfo->value.integer.min = 0;		/* clock not present */
832 	uinfo->value.integer.max = 192000;	/* max sample rate 192 kHz */
833 	return 0;
834 }
835 
836 static int pcxhr_clock_rate_get(struct snd_kcontrol *kcontrol,
837 				struct snd_ctl_elem_value *ucontrol)
838 {
839 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
840 	int i, err, rate;
841 
842 	mutex_lock(&mgr->mixer_mutex);
843 	for(i = 0; i < 3 + mgr->capture_chips; i++) {
844 		if (i == PCXHR_CLOCK_TYPE_INTERNAL)
845 			rate = mgr->sample_rate_real;
846 		else {
847 			err = pcxhr_get_external_clock(mgr, i, &rate);
848 			if (err)
849 				break;
850 		}
851 		ucontrol->value.integer.value[i] = rate;
852 	}
853 	mutex_unlock(&mgr->mixer_mutex);
854 	return 0;
855 }
856 
857 static struct snd_kcontrol_new pcxhr_control_clock_rate = {
858 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
859 	.iface =	SNDRV_CTL_ELEM_IFACE_CARD,
860 	.name =		"Clock Rates",
861 	.info =		pcxhr_clock_rate_info,
862 	.get =		pcxhr_clock_rate_get,
863 };
864 
865 /*
866  * IEC958 status bits
867  */
868 static int pcxhr_iec958_info(struct snd_kcontrol *kcontrol,
869 			     struct snd_ctl_elem_info *uinfo)
870 {
871 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
872 	uinfo->count = 1;
873 	return 0;
874 }
875 
876 static int pcxhr_iec958_capture_byte(struct snd_pcxhr *chip,
877 				     int aes_idx, unsigned char *aes_bits)
878 {
879 	int i, err;
880 	unsigned char temp;
881 	struct pcxhr_rmh rmh;
882 
883 	pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
884 	rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
885 	switch (chip->chip_idx) {
886 	  /* instead of CS8420_01_CS use CS8416_01_CS for AES SYNC plug */
887 	case 0:	rmh.cmd[1] = CS8420_01_CS; break;
888 	case 1:	rmh.cmd[1] = CS8420_23_CS; break;
889 	case 2:	rmh.cmd[1] = CS8420_45_CS; break;
890 	case 3:	rmh.cmd[1] = CS8420_67_CS; break;
891 	default: return -EINVAL;
892 	}
893 	if (chip->mgr->board_aes_in_192k) {
894 		switch (aes_idx) {
895 		case 0:	rmh.cmd[2] = CS8416_CSB0; break;
896 		case 1:	rmh.cmd[2] = CS8416_CSB1; break;
897 		case 2:	rmh.cmd[2] = CS8416_CSB2; break;
898 		case 3:	rmh.cmd[2] = CS8416_CSB3; break;
899 		case 4:	rmh.cmd[2] = CS8416_CSB4; break;
900 		default: return -EINVAL;
901 		}
902 	} else {
903 		switch (aes_idx) {
904 		  /* instead of CS8420_CSB0 use CS8416_CSBx for AES SYNC plug */
905 		case 0:	rmh.cmd[2] = CS8420_CSB0; break;
906 		case 1:	rmh.cmd[2] = CS8420_CSB1; break;
907 		case 2:	rmh.cmd[2] = CS8420_CSB2; break;
908 		case 3:	rmh.cmd[2] = CS8420_CSB3; break;
909 		case 4:	rmh.cmd[2] = CS8420_CSB4; break;
910 		default: return -EINVAL;
911 		}
912 	}
913 	/* size and code the chip id for the fpga */
914 	rmh.cmd[1] &= 0x0fffff;
915 	/* chip signature + map for spi read */
916 	rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI;
917 	rmh.cmd_len = 3;
918 	err = pcxhr_send_msg(chip->mgr, &rmh);
919 	if (err)
920 		return err;
921 
922 	if (chip->mgr->board_aes_in_192k) {
923 		temp = (unsigned char)rmh.stat[1];
924 	} else {
925 		temp = 0;
926 		/* reversed bit order (not with CS8416_01_CS) */
927 		for (i = 0; i < 8; i++) {
928 			temp <<= 1;
929 			if (rmh.stat[1] & (1 << i))
930 				temp |= 1;
931 		}
932 	}
933 	snd_printdd("read iec958 AES %d byte %d = 0x%x\n",
934 		    chip->chip_idx, aes_idx, temp);
935 	*aes_bits = temp;
936 	return 0;
937 }
938 
939 static int pcxhr_iec958_get(struct snd_kcontrol *kcontrol,
940 			    struct snd_ctl_elem_value *ucontrol)
941 {
942 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
943 	unsigned char aes_bits;
944 	int i, err;
945 
946 	mutex_lock(&chip->mgr->mixer_mutex);
947 	for(i = 0; i < 5; i++) {
948 		if (kcontrol->private_value == 0)	/* playback */
949 			aes_bits = chip->aes_bits[i];
950 		else {				/* capture */
951 			if (chip->mgr->is_hr_stereo)
952 				err = hr222_iec958_capture_byte(chip, i,
953 								&aes_bits);
954 			else
955 				err = pcxhr_iec958_capture_byte(chip, i,
956 								&aes_bits);
957 			if (err)
958 				break;
959 		}
960 		ucontrol->value.iec958.status[i] = aes_bits;
961 	}
962 	mutex_unlock(&chip->mgr->mixer_mutex);
963         return 0;
964 }
965 
966 static int pcxhr_iec958_mask_get(struct snd_kcontrol *kcontrol,
967 				 struct snd_ctl_elem_value *ucontrol)
968 {
969 	int i;
970 	for (i = 0; i < 5; i++)
971 		ucontrol->value.iec958.status[i] = 0xff;
972         return 0;
973 }
974 
975 static int pcxhr_iec958_update_byte(struct snd_pcxhr *chip,
976 				    int aes_idx, unsigned char aes_bits)
977 {
978 	int i, err, cmd;
979 	unsigned char new_bits = aes_bits;
980 	unsigned char old_bits = chip->aes_bits[aes_idx];
981 	struct pcxhr_rmh rmh;
982 
983 	for (i = 0; i < 8; i++) {
984 		if ((old_bits & 0x01) != (new_bits & 0x01)) {
985 			cmd = chip->chip_idx & 0x03;      /* chip index 0..3 */
986 			if (chip->chip_idx > 3)
987 				/* new bit used if chip_idx>3 (PCX1222HR) */
988 				cmd |= 1 << 22;
989 			cmd |= ((aes_idx << 3) + i) << 2; /* add bit offset */
990 			cmd |= (new_bits & 0x01) << 23;   /* add bit value */
991 			pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
992 			rmh.cmd[0] |= IO_NUM_REG_CUER;
993 			rmh.cmd[1] = cmd;
994 			rmh.cmd_len = 2;
995 			snd_printdd("write iec958 AES %d byte %d bit %d (cmd %x)\n",
996 				    chip->chip_idx, aes_idx, i, cmd);
997 			err = pcxhr_send_msg(chip->mgr, &rmh);
998 			if (err)
999 				return err;
1000 		}
1001 		old_bits >>= 1;
1002 		new_bits >>= 1;
1003 	}
1004 	chip->aes_bits[aes_idx] = aes_bits;
1005 	return 0;
1006 }
1007 
1008 static int pcxhr_iec958_put(struct snd_kcontrol *kcontrol,
1009 			    struct snd_ctl_elem_value *ucontrol)
1010 {
1011 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
1012 	int i, changed = 0;
1013 
1014 	/* playback */
1015 	mutex_lock(&chip->mgr->mixer_mutex);
1016 	for (i = 0; i < 5; i++) {
1017 		if (ucontrol->value.iec958.status[i] != chip->aes_bits[i]) {
1018 			if (chip->mgr->is_hr_stereo)
1019 				hr222_iec958_update_byte(chip, i,
1020 					ucontrol->value.iec958.status[i]);
1021 			else
1022 				pcxhr_iec958_update_byte(chip, i,
1023 					ucontrol->value.iec958.status[i]);
1024 			changed = 1;
1025 		}
1026 	}
1027 	mutex_unlock(&chip->mgr->mixer_mutex);
1028 	return changed;
1029 }
1030 
1031 static struct snd_kcontrol_new pcxhr_control_playback_iec958_mask = {
1032 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1033 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1034 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1035 	.info =		pcxhr_iec958_info,
1036 	.get =		pcxhr_iec958_mask_get
1037 };
1038 static struct snd_kcontrol_new pcxhr_control_playback_iec958 = {
1039 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1040 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1041 	.info =         pcxhr_iec958_info,
1042 	.get =          pcxhr_iec958_get,
1043 	.put =          pcxhr_iec958_put,
1044 	.private_value = 0 /* playback */
1045 };
1046 
1047 static struct snd_kcontrol_new pcxhr_control_capture_iec958_mask = {
1048 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1049 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1050 	.name =		SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
1051 	.info =		pcxhr_iec958_info,
1052 	.get =		pcxhr_iec958_mask_get
1053 };
1054 static struct snd_kcontrol_new pcxhr_control_capture_iec958 = {
1055 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1056 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1057 	.name =         SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1058 	.info =         pcxhr_iec958_info,
1059 	.get =          pcxhr_iec958_get,
1060 	.private_value = 1 /* capture */
1061 };
1062 
1063 static void pcxhr_init_audio_levels(struct snd_pcxhr *chip)
1064 {
1065 	int i;
1066 
1067 	for (i = 0; i < 2; i++) {
1068 		if (chip->nb_streams_play) {
1069 			int j;
1070 			/* at boot time the digital volumes are unmuted 0dB */
1071 			for (j = 0; j < PCXHR_PLAYBACK_STREAMS; j++) {
1072 				chip->digital_playback_active[j][i] = 1;
1073 				chip->digital_playback_volume[j][i] =
1074 					PCXHR_DIGITAL_ZERO_LEVEL;
1075 			}
1076 			/* after boot, only two bits are set on the uer
1077 			 * interface
1078 			 */
1079 			chip->aes_bits[0] = (IEC958_AES0_PROFESSIONAL |
1080 					     IEC958_AES0_PRO_FS_48000);
1081 #ifdef CONFIG_SND_DEBUG
1082 			/* analog volumes for playback
1083 			 * (is LEVEL_MIN after boot)
1084 			 */
1085 			chip->analog_playback_active[i] = 1;
1086 			if (chip->mgr->is_hr_stereo)
1087 				chip->analog_playback_volume[i] =
1088 					HR222_LINE_PLAYBACK_ZERO_LEVEL;
1089 			else {
1090 				chip->analog_playback_volume[i] =
1091 					PCXHR_LINE_PLAYBACK_ZERO_LEVEL;
1092 				pcxhr_update_analog_audio_level(chip, 0, i);
1093 			}
1094 #endif
1095 			/* stereo cards need to be initialised after boot */
1096 			if (chip->mgr->is_hr_stereo)
1097 				hr222_update_analog_audio_level(chip, 0, i);
1098 		}
1099 		if (chip->nb_streams_capt) {
1100 			/* at boot time the digital volumes are unmuted 0dB */
1101 			chip->digital_capture_volume[i] =
1102 				PCXHR_DIGITAL_ZERO_LEVEL;
1103 			chip->analog_capture_active = 1;
1104 #ifdef CONFIG_SND_DEBUG
1105 			/* analog volumes for playback
1106 			 * (is LEVEL_MIN after boot)
1107 			 */
1108 			if (chip->mgr->is_hr_stereo)
1109 				chip->analog_capture_volume[i] =
1110 					HR222_LINE_CAPTURE_ZERO_LEVEL;
1111 			else {
1112 				chip->analog_capture_volume[i] =
1113 					PCXHR_LINE_CAPTURE_ZERO_LEVEL;
1114 				pcxhr_update_analog_audio_level(chip, 1, i);
1115 			}
1116 #endif
1117 			/* stereo cards need to be initialised after boot */
1118 			if (chip->mgr->is_hr_stereo)
1119 				hr222_update_analog_audio_level(chip, 1, i);
1120 		}
1121 	}
1122 
1123 	return;
1124 }
1125 
1126 
1127 int pcxhr_create_mixer(struct pcxhr_mgr *mgr)
1128 {
1129 	struct snd_pcxhr *chip;
1130 	int err, i;
1131 
1132 	mutex_init(&mgr->mixer_mutex); /* can be in another place */
1133 
1134 	for (i = 0; i < mgr->num_cards; i++) {
1135 		struct snd_kcontrol_new temp;
1136 		chip = mgr->chip[i];
1137 
1138 		if (chip->nb_streams_play) {
1139 			/* analog output level control */
1140 			temp = pcxhr_control_analog_level;
1141 			temp.name = "Master Playback Volume";
1142 			temp.private_value = 0; /* playback */
1143 			if (mgr->is_hr_stereo)
1144 				temp.tlv.p = db_scale_a_hr222_playback;
1145 			else
1146 				temp.tlv.p = db_scale_analog_playback;
1147 			err = snd_ctl_add(chip->card,
1148 					  snd_ctl_new1(&temp, chip));
1149 			if (err < 0)
1150 				return err;
1151 
1152 			/* output mute controls */
1153 			err = snd_ctl_add(chip->card,
1154 				snd_ctl_new1(&pcxhr_control_output_switch,
1155 					     chip));
1156 			if (err < 0)
1157 				return err;
1158 
1159 			temp = snd_pcxhr_pcm_vol;
1160 			temp.name = "PCM Playback Volume";
1161 			temp.count = PCXHR_PLAYBACK_STREAMS;
1162 			temp.private_value = 0; /* playback */
1163 			err = snd_ctl_add(chip->card,
1164 					  snd_ctl_new1(&temp, chip));
1165 			if (err < 0)
1166 				return err;
1167 
1168 			err = snd_ctl_add(chip->card,
1169 				snd_ctl_new1(&pcxhr_control_pcm_switch, chip));
1170 			if (err < 0)
1171 				return err;
1172 
1173 			/* IEC958 controls */
1174 			err = snd_ctl_add(chip->card,
1175 				snd_ctl_new1(&pcxhr_control_playback_iec958_mask,
1176 					     chip));
1177 			if (err < 0)
1178 				return err;
1179 
1180 			err = snd_ctl_add(chip->card,
1181 				snd_ctl_new1(&pcxhr_control_playback_iec958,
1182 					     chip));
1183 			if (err < 0)
1184 				return err;
1185 		}
1186 		if (chip->nb_streams_capt) {
1187 			/* analog input level control */
1188 			temp = pcxhr_control_analog_level;
1189 			temp.name = "Line Capture Volume";
1190 			temp.private_value = 1; /* capture */
1191 			if (mgr->is_hr_stereo)
1192 				temp.tlv.p = db_scale_a_hr222_capture;
1193 			else
1194 				temp.tlv.p = db_scale_analog_capture;
1195 
1196 			err = snd_ctl_add(chip->card,
1197 					  snd_ctl_new1(&temp, chip));
1198 			if (err < 0)
1199 				return err;
1200 
1201 			temp = snd_pcxhr_pcm_vol;
1202 			temp.name = "PCM Capture Volume";
1203 			temp.count = 1;
1204 			temp.private_value = 1; /* capture */
1205 
1206 			err = snd_ctl_add(chip->card,
1207 					  snd_ctl_new1(&temp, chip));
1208 			if (err < 0)
1209 				return err;
1210 
1211 			/* Audio source */
1212 			err = snd_ctl_add(chip->card,
1213 				snd_ctl_new1(&pcxhr_control_audio_src, chip));
1214 			if (err < 0)
1215 				return err;
1216 
1217 			/* IEC958 controls */
1218 			err = snd_ctl_add(chip->card,
1219 				snd_ctl_new1(&pcxhr_control_capture_iec958_mask,
1220 					     chip));
1221 			if (err < 0)
1222 				return err;
1223 
1224 			err = snd_ctl_add(chip->card,
1225 				snd_ctl_new1(&pcxhr_control_capture_iec958,
1226 					     chip));
1227 			if (err < 0)
1228 				return err;
1229 
1230 			if (mgr->is_hr_stereo) {
1231 				err = hr222_add_mic_controls(chip);
1232 				if (err < 0)
1233 					return err;
1234 			}
1235 		}
1236 		/* monitoring only if playback and capture device available */
1237 		if (chip->nb_streams_capt > 0 && chip->nb_streams_play > 0) {
1238 			/* monitoring */
1239 			err = snd_ctl_add(chip->card,
1240 				snd_ctl_new1(&pcxhr_control_monitor_vol, chip));
1241 			if (err < 0)
1242 				return err;
1243 
1244 			err = snd_ctl_add(chip->card,
1245 				snd_ctl_new1(&pcxhr_control_monitor_sw, chip));
1246 			if (err < 0)
1247 				return err;
1248 		}
1249 
1250 		if (i == 0) {
1251 			/* clock mode only one control per pcxhr */
1252 			err = snd_ctl_add(chip->card,
1253 				snd_ctl_new1(&pcxhr_control_clock_type, mgr));
1254 			if (err < 0)
1255 				return err;
1256 			/* non standard control used to scan
1257 			 * the external clock presence/frequencies
1258 			 */
1259 			err = snd_ctl_add(chip->card,
1260 				snd_ctl_new1(&pcxhr_control_clock_rate, mgr));
1261 			if (err < 0)
1262 				return err;
1263 		}
1264 
1265 		/* init values for the mixer data */
1266 		pcxhr_init_audio_levels(chip);
1267 	}
1268 
1269 	return 0;
1270 }
1271