xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_mixer.c (revision 6c33a6f4)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 #define __NO_VERSION__
3 /*
4  * Driver for Digigram pcxhr compatible soundcards
5  *
6  * mixer callbacks
7  *
8  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
9  */
10 
11 #include <linux/time.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
14 #include <linux/mutex.h>
15 #include <sound/core.h>
16 #include "pcxhr.h"
17 #include "pcxhr_hwdep.h"
18 #include "pcxhr_core.h"
19 #include <sound/control.h>
20 #include <sound/tlv.h>
21 #include <sound/asoundef.h>
22 #include "pcxhr_mixer.h"
23 #include "pcxhr_mix22.h"
24 
25 #define PCXHR_LINE_CAPTURE_LEVEL_MIN   0	/* -112.0 dB */
26 #define PCXHR_LINE_CAPTURE_LEVEL_MAX   255	/* +15.5 dB */
27 #define PCXHR_LINE_CAPTURE_ZERO_LEVEL  224	/* 0.0 dB ( 0 dBu -> 0 dBFS ) */
28 
29 #define PCXHR_LINE_PLAYBACK_LEVEL_MIN  0	/* -104.0 dB */
30 #define PCXHR_LINE_PLAYBACK_LEVEL_MAX  128	/* +24.0 dB */
31 #define PCXHR_LINE_PLAYBACK_ZERO_LEVEL 104	/* 0.0 dB ( 0 dBFS -> 0 dBu ) */
32 
33 static const DECLARE_TLV_DB_SCALE(db_scale_analog_capture, -11200, 50, 1550);
34 static const DECLARE_TLV_DB_SCALE(db_scale_analog_playback, -10400, 100, 2400);
35 
36 static const DECLARE_TLV_DB_SCALE(db_scale_a_hr222_capture, -11150, 50, 1600);
37 static const DECLARE_TLV_DB_SCALE(db_scale_a_hr222_playback, -2550, 50, 2400);
38 
39 static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip,
40 					   int is_capture, int channel)
41 {
42 	int err, vol;
43 	struct pcxhr_rmh rmh;
44 
45 	pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
46 	if (is_capture) {
47 		rmh.cmd[0] |= IO_NUM_REG_IN_ANA_LEVEL;
48 		rmh.cmd[2] = chip->analog_capture_volume[channel];
49 	} else {
50 		rmh.cmd[0] |= IO_NUM_REG_OUT_ANA_LEVEL;
51 		if (chip->analog_playback_active[channel])
52 			vol = chip->analog_playback_volume[channel];
53 		else
54 			vol = PCXHR_LINE_PLAYBACK_LEVEL_MIN;
55 		/* playback analog levels are inversed */
56 		rmh.cmd[2] = PCXHR_LINE_PLAYBACK_LEVEL_MAX - vol;
57 	}
58 	rmh.cmd[1]  = 1 << ((2 * chip->chip_idx) + channel);	/* audio mask */
59 	rmh.cmd_len = 3;
60 	err = pcxhr_send_msg(chip->mgr, &rmh);
61 	if (err < 0) {
62 		dev_dbg(chip->card->dev,
63 			"error update_analog_audio_level card(%d)"
64 			   " is_capture(%d) err(%x)\n",
65 			   chip->chip_idx, is_capture, err);
66 		return -EINVAL;
67 	}
68 	return 0;
69 }
70 
71 /*
72  * analog level control
73  */
74 static int pcxhr_analog_vol_info(struct snd_kcontrol *kcontrol,
75 				 struct snd_ctl_elem_info *uinfo)
76 {
77 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
78 
79 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
80 	uinfo->count = 2;
81 	if (kcontrol->private_value == 0) {	/* playback */
82 	    if (chip->mgr->is_hr_stereo) {
83 		uinfo->value.integer.min =
84 			HR222_LINE_PLAYBACK_LEVEL_MIN;	/* -25 dB */
85 		uinfo->value.integer.max =
86 			HR222_LINE_PLAYBACK_LEVEL_MAX;	/* +24 dB */
87 	    } else {
88 		uinfo->value.integer.min =
89 			PCXHR_LINE_PLAYBACK_LEVEL_MIN;	/*-104 dB */
90 		uinfo->value.integer.max =
91 			PCXHR_LINE_PLAYBACK_LEVEL_MAX;	/* +24 dB */
92 	    }
93 	} else {				/* capture */
94 	    if (chip->mgr->is_hr_stereo) {
95 		uinfo->value.integer.min =
96 			HR222_LINE_CAPTURE_LEVEL_MIN;	/*-112 dB */
97 		uinfo->value.integer.max =
98 			HR222_LINE_CAPTURE_LEVEL_MAX;	/* +15.5 dB */
99 	    } else {
100 		uinfo->value.integer.min =
101 			PCXHR_LINE_CAPTURE_LEVEL_MIN;	/*-112 dB */
102 		uinfo->value.integer.max =
103 			PCXHR_LINE_CAPTURE_LEVEL_MAX;	/* +15.5 dB */
104 	    }
105 	}
106 	return 0;
107 }
108 
109 static int pcxhr_analog_vol_get(struct snd_kcontrol *kcontrol,
110 				struct snd_ctl_elem_value *ucontrol)
111 {
112 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
113 	mutex_lock(&chip->mgr->mixer_mutex);
114 	if (kcontrol->private_value == 0) {	/* playback */
115 	  ucontrol->value.integer.value[0] = chip->analog_playback_volume[0];
116 	  ucontrol->value.integer.value[1] = chip->analog_playback_volume[1];
117 	} else {				/* capture */
118 	  ucontrol->value.integer.value[0] = chip->analog_capture_volume[0];
119 	  ucontrol->value.integer.value[1] = chip->analog_capture_volume[1];
120 	}
121 	mutex_unlock(&chip->mgr->mixer_mutex);
122 	return 0;
123 }
124 
125 static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol,
126 				struct snd_ctl_elem_value *ucontrol)
127 {
128 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
129 	int changed = 0;
130 	int is_capture, i;
131 
132 	mutex_lock(&chip->mgr->mixer_mutex);
133 	is_capture = (kcontrol->private_value != 0);
134 	for (i = 0; i < 2; i++) {
135 		int  new_volume = ucontrol->value.integer.value[i];
136 		int *stored_volume = is_capture ?
137 			&chip->analog_capture_volume[i] :
138 			&chip->analog_playback_volume[i];
139 		if (is_capture) {
140 			if (chip->mgr->is_hr_stereo) {
141 				if (new_volume < HR222_LINE_CAPTURE_LEVEL_MIN ||
142 				    new_volume > HR222_LINE_CAPTURE_LEVEL_MAX)
143 					continue;
144 			} else {
145 				if (new_volume < PCXHR_LINE_CAPTURE_LEVEL_MIN ||
146 				    new_volume > PCXHR_LINE_CAPTURE_LEVEL_MAX)
147 					continue;
148 			}
149 		} else {
150 			if (chip->mgr->is_hr_stereo) {
151 				if (new_volume < HR222_LINE_PLAYBACK_LEVEL_MIN ||
152 				    new_volume > HR222_LINE_PLAYBACK_LEVEL_MAX)
153 					continue;
154 			} else {
155 				if (new_volume < PCXHR_LINE_PLAYBACK_LEVEL_MIN ||
156 				    new_volume > PCXHR_LINE_PLAYBACK_LEVEL_MAX)
157 					continue;
158 			}
159 		}
160 		if (*stored_volume != new_volume) {
161 			*stored_volume = new_volume;
162 			changed = 1;
163 			if (chip->mgr->is_hr_stereo)
164 				hr222_update_analog_audio_level(chip,
165 								is_capture, i);
166 			else
167 				pcxhr_update_analog_audio_level(chip,
168 								is_capture, i);
169 		}
170 	}
171 	mutex_unlock(&chip->mgr->mixer_mutex);
172 	return changed;
173 }
174 
175 static const struct snd_kcontrol_new pcxhr_control_analog_level = {
176 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
177 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
178 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
179 	/* name will be filled later */
180 	.info =		pcxhr_analog_vol_info,
181 	.get =		pcxhr_analog_vol_get,
182 	.put =		pcxhr_analog_vol_put,
183 	/* tlv will be filled later */
184 };
185 
186 /* shared */
187 
188 #define pcxhr_sw_info		snd_ctl_boolean_stereo_info
189 
190 static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol,
191 			      struct snd_ctl_elem_value *ucontrol)
192 {
193 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
194 
195 	mutex_lock(&chip->mgr->mixer_mutex);
196 	ucontrol->value.integer.value[0] = chip->analog_playback_active[0];
197 	ucontrol->value.integer.value[1] = chip->analog_playback_active[1];
198 	mutex_unlock(&chip->mgr->mixer_mutex);
199 	return 0;
200 }
201 
202 static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol,
203 			      struct snd_ctl_elem_value *ucontrol)
204 {
205 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
206 	int i, changed = 0;
207 	mutex_lock(&chip->mgr->mixer_mutex);
208 	for(i = 0; i < 2; i++) {
209 		if (chip->analog_playback_active[i] !=
210 		    ucontrol->value.integer.value[i]) {
211 			chip->analog_playback_active[i] =
212 				!!ucontrol->value.integer.value[i];
213 			changed = 1;
214 			/* update playback levels */
215 			if (chip->mgr->is_hr_stereo)
216 				hr222_update_analog_audio_level(chip, 0, i);
217 			else
218 				pcxhr_update_analog_audio_level(chip, 0, i);
219 		}
220 	}
221 	mutex_unlock(&chip->mgr->mixer_mutex);
222 	return changed;
223 }
224 
225 static const struct snd_kcontrol_new pcxhr_control_output_switch = {
226 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
227 	.name =		"Master Playback Switch",
228 	.info =		pcxhr_sw_info,		/* shared */
229 	.get =		pcxhr_audio_sw_get,
230 	.put =		pcxhr_audio_sw_put
231 };
232 
233 
234 #define PCXHR_DIGITAL_LEVEL_MIN		0x000	/* -110 dB */
235 #define PCXHR_DIGITAL_LEVEL_MAX		0x1ff	/* +18 dB */
236 #define PCXHR_DIGITAL_ZERO_LEVEL	0x1b7	/*  0 dB */
237 
238 static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10975, 25, 1800);
239 
240 #define MORE_THAN_ONE_STREAM_LEVEL	0x000001
241 #define VALID_STREAM_PAN_LEVEL_MASK	0x800000
242 #define VALID_STREAM_LEVEL_MASK		0x400000
243 #define VALID_STREAM_LEVEL_1_MASK	0x200000
244 #define VALID_STREAM_LEVEL_2_MASK	0x100000
245 
246 static int pcxhr_update_playback_stream_level(struct snd_pcxhr* chip, int idx)
247 {
248 	int err;
249 	struct pcxhr_rmh rmh;
250 	struct pcxhr_pipe *pipe = &chip->playback_pipe;
251 	int left, right;
252 
253 	if (chip->digital_playback_active[idx][0])
254 		left = chip->digital_playback_volume[idx][0];
255 	else
256 		left = PCXHR_DIGITAL_LEVEL_MIN;
257 	if (chip->digital_playback_active[idx][1])
258 		right = chip->digital_playback_volume[idx][1];
259 	else
260 		right = PCXHR_DIGITAL_LEVEL_MIN;
261 
262 	pcxhr_init_rmh(&rmh, CMD_STREAM_OUT_LEVEL_ADJUST);
263 	/* add pipe and stream mask */
264 	pcxhr_set_pipe_cmd_params(&rmh, 0, pipe->first_audio, 0, 1<<idx);
265 	/* volume left->left / right->right panoramic level */
266 	rmh.cmd[0] |= MORE_THAN_ONE_STREAM_LEVEL;
267 	rmh.cmd[2]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_1_MASK;
268 	rmh.cmd[2] |= (left << 10);
269 	rmh.cmd[3]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_2_MASK;
270 	rmh.cmd[3] |= right;
271 	rmh.cmd_len = 4;
272 
273 	err = pcxhr_send_msg(chip->mgr, &rmh);
274 	if (err < 0) {
275 		dev_dbg(chip->card->dev, "error update_playback_stream_level "
276 			   "card(%d) err(%x)\n", chip->chip_idx, err);
277 		return -EINVAL;
278 	}
279 	return 0;
280 }
281 
282 #define AUDIO_IO_HAS_MUTE_LEVEL		0x400000
283 #define AUDIO_IO_HAS_MUTE_MONITOR_1	0x200000
284 #define VALID_AUDIO_IO_DIGITAL_LEVEL	0x000001
285 #define VALID_AUDIO_IO_MONITOR_LEVEL	0x000002
286 #define VALID_AUDIO_IO_MUTE_LEVEL	0x000004
287 #define VALID_AUDIO_IO_MUTE_MONITOR_1	0x000008
288 
289 static int pcxhr_update_audio_pipe_level(struct snd_pcxhr *chip,
290 					 int capture, int channel)
291 {
292 	int err;
293 	struct pcxhr_rmh rmh;
294 	struct pcxhr_pipe *pipe;
295 
296 	if (capture)
297 		pipe = &chip->capture_pipe[0];
298 	else
299 		pipe = &chip->playback_pipe;
300 
301 	pcxhr_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
302 	/* add channel mask */
303 	pcxhr_set_pipe_cmd_params(&rmh, capture, 0, 0,
304 				  1 << (channel + pipe->first_audio));
305 	/* TODO : if mask (3 << pipe->first_audio) is used, left and right
306 	 * channel will be programmed to the same params */
307 	if (capture) {
308 		rmh.cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
309 		/* VALID_AUDIO_IO_MUTE_LEVEL not yet handled
310 		 * (capture pipe level) */
311 		rmh.cmd[2] = chip->digital_capture_volume[channel];
312 	} else {
313 		rmh.cmd[0] |=	VALID_AUDIO_IO_MONITOR_LEVEL |
314 				VALID_AUDIO_IO_MUTE_MONITOR_1;
315 		/* VALID_AUDIO_IO_DIGITAL_LEVEL and VALID_AUDIO_IO_MUTE_LEVEL
316 		 * not yet handled (playback pipe level)
317 		 */
318 		rmh.cmd[2] = chip->monitoring_volume[channel] << 10;
319 		if (chip->monitoring_active[channel] == 0)
320 			rmh.cmd[2] |= AUDIO_IO_HAS_MUTE_MONITOR_1;
321 	}
322 	rmh.cmd_len = 3;
323 
324 	err = pcxhr_send_msg(chip->mgr, &rmh);
325 	if (err < 0) {
326 		dev_dbg(chip->card->dev,
327 			"error update_audio_level(%d) err=%x\n",
328 			   chip->chip_idx, err);
329 		return -EINVAL;
330 	}
331 	return 0;
332 }
333 
334 
335 /* shared */
336 static int pcxhr_digital_vol_info(struct snd_kcontrol *kcontrol,
337 				  struct snd_ctl_elem_info *uinfo)
338 {
339 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
340 	uinfo->count = 2;
341 	uinfo->value.integer.min = PCXHR_DIGITAL_LEVEL_MIN;   /* -109.5 dB */
342 	uinfo->value.integer.max = PCXHR_DIGITAL_LEVEL_MAX;   /*   18.0 dB */
343 	return 0;
344 }
345 
346 
347 static int pcxhr_pcm_vol_get(struct snd_kcontrol *kcontrol,
348 			     struct snd_ctl_elem_value *ucontrol)
349 {
350 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
351 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);	/* index */
352 	int *stored_volume;
353 	int is_capture = kcontrol->private_value;
354 
355 	mutex_lock(&chip->mgr->mixer_mutex);
356 	if (is_capture)		/* digital capture */
357 		stored_volume = chip->digital_capture_volume;
358 	else			/* digital playback */
359 		stored_volume = chip->digital_playback_volume[idx];
360 	ucontrol->value.integer.value[0] = stored_volume[0];
361 	ucontrol->value.integer.value[1] = stored_volume[1];
362 	mutex_unlock(&chip->mgr->mixer_mutex);
363 	return 0;
364 }
365 
366 static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol,
367 			     struct snd_ctl_elem_value *ucontrol)
368 {
369 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
370 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);	/* index */
371 	int changed = 0;
372 	int is_capture = kcontrol->private_value;
373 	int *stored_volume;
374 	int i;
375 
376 	mutex_lock(&chip->mgr->mixer_mutex);
377 	if (is_capture)		/* digital capture */
378 		stored_volume = chip->digital_capture_volume;
379 	else			/* digital playback */
380 		stored_volume = chip->digital_playback_volume[idx];
381 	for (i = 0; i < 2; i++) {
382 		int vol = ucontrol->value.integer.value[i];
383 		if (vol < PCXHR_DIGITAL_LEVEL_MIN ||
384 		    vol > PCXHR_DIGITAL_LEVEL_MAX)
385 			continue;
386 		if (stored_volume[i] != vol) {
387 			stored_volume[i] = vol;
388 			changed = 1;
389 			if (is_capture)	/* update capture volume */
390 				pcxhr_update_audio_pipe_level(chip, 1, i);
391 		}
392 	}
393 	if (!is_capture && changed)	/* update playback volume */
394 		pcxhr_update_playback_stream_level(chip, idx);
395 	mutex_unlock(&chip->mgr->mixer_mutex);
396 	return changed;
397 }
398 
399 static const struct snd_kcontrol_new snd_pcxhr_pcm_vol =
400 {
401 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
402 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
403 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
404 	/* name will be filled later */
405 	/* count will be filled later */
406 	.info =		pcxhr_digital_vol_info,		/* shared */
407 	.get =		pcxhr_pcm_vol_get,
408 	.put =		pcxhr_pcm_vol_put,
409 	.tlv = { .p = db_scale_digital },
410 };
411 
412 
413 static int pcxhr_pcm_sw_get(struct snd_kcontrol *kcontrol,
414 			    struct snd_ctl_elem_value *ucontrol)
415 {
416 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
417 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
418 
419 	mutex_lock(&chip->mgr->mixer_mutex);
420 	ucontrol->value.integer.value[0] = chip->digital_playback_active[idx][0];
421 	ucontrol->value.integer.value[1] = chip->digital_playback_active[idx][1];
422 	mutex_unlock(&chip->mgr->mixer_mutex);
423 	return 0;
424 }
425 
426 static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol,
427 			    struct snd_ctl_elem_value *ucontrol)
428 {
429 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
430 	int changed = 0;
431 	int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
432 	int i, j;
433 
434 	mutex_lock(&chip->mgr->mixer_mutex);
435 	j = idx;
436 	for (i = 0; i < 2; i++) {
437 		if (chip->digital_playback_active[j][i] !=
438 		    ucontrol->value.integer.value[i]) {
439 			chip->digital_playback_active[j][i] =
440 				!!ucontrol->value.integer.value[i];
441 			changed = 1;
442 		}
443 	}
444 	if (changed)
445 		pcxhr_update_playback_stream_level(chip, idx);
446 	mutex_unlock(&chip->mgr->mixer_mutex);
447 	return changed;
448 }
449 
450 static const struct snd_kcontrol_new pcxhr_control_pcm_switch = {
451 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
452 	.name =		"PCM Playback Switch",
453 	.count =	PCXHR_PLAYBACK_STREAMS,
454 	.info =		pcxhr_sw_info,		/* shared */
455 	.get =		pcxhr_pcm_sw_get,
456 	.put =		pcxhr_pcm_sw_put
457 };
458 
459 
460 /*
461  * monitoring level control
462  */
463 
464 static int pcxhr_monitor_vol_get(struct snd_kcontrol *kcontrol,
465 				 struct snd_ctl_elem_value *ucontrol)
466 {
467 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
468 	mutex_lock(&chip->mgr->mixer_mutex);
469 	ucontrol->value.integer.value[0] = chip->monitoring_volume[0];
470 	ucontrol->value.integer.value[1] = chip->monitoring_volume[1];
471 	mutex_unlock(&chip->mgr->mixer_mutex);
472 	return 0;
473 }
474 
475 static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol,
476 				 struct snd_ctl_elem_value *ucontrol)
477 {
478 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
479 	int changed = 0;
480 	int i;
481 
482 	mutex_lock(&chip->mgr->mixer_mutex);
483 	for (i = 0; i < 2; i++) {
484 		if (chip->monitoring_volume[i] !=
485 		    ucontrol->value.integer.value[i]) {
486 			chip->monitoring_volume[i] =
487 				ucontrol->value.integer.value[i];
488 			if (chip->monitoring_active[i])
489 				/* update monitoring volume and mute */
490 				/* do only when monitoring is unmuted */
491 				pcxhr_update_audio_pipe_level(chip, 0, i);
492 			changed = 1;
493 		}
494 	}
495 	mutex_unlock(&chip->mgr->mixer_mutex);
496 	return changed;
497 }
498 
499 static const struct snd_kcontrol_new pcxhr_control_monitor_vol = {
500 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
501 	.access =	(SNDRV_CTL_ELEM_ACCESS_READWRITE |
502 			 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
503 	.name =         "Monitoring Playback Volume",
504 	.info =		pcxhr_digital_vol_info,		/* shared */
505 	.get =		pcxhr_monitor_vol_get,
506 	.put =		pcxhr_monitor_vol_put,
507 	.tlv = { .p = db_scale_digital },
508 };
509 
510 /*
511  * monitoring switch control
512  */
513 
514 static int pcxhr_monitor_sw_get(struct snd_kcontrol *kcontrol,
515 				struct snd_ctl_elem_value *ucontrol)
516 {
517 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
518 	mutex_lock(&chip->mgr->mixer_mutex);
519 	ucontrol->value.integer.value[0] = chip->monitoring_active[0];
520 	ucontrol->value.integer.value[1] = chip->monitoring_active[1];
521 	mutex_unlock(&chip->mgr->mixer_mutex);
522 	return 0;
523 }
524 
525 static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol,
526 				struct snd_ctl_elem_value *ucontrol)
527 {
528 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
529 	int changed = 0;
530 	int i;
531 
532 	mutex_lock(&chip->mgr->mixer_mutex);
533 	for (i = 0; i < 2; i++) {
534 		if (chip->monitoring_active[i] !=
535 		    ucontrol->value.integer.value[i]) {
536 			chip->monitoring_active[i] =
537 				!!ucontrol->value.integer.value[i];
538 			changed |= (1<<i); /* mask 0x01 and 0x02 */
539 		}
540 	}
541 	if (changed & 0x01)
542 		/* update left monitoring volume and mute */
543 		pcxhr_update_audio_pipe_level(chip, 0, 0);
544 	if (changed & 0x02)
545 		/* update right monitoring volume and mute */
546 		pcxhr_update_audio_pipe_level(chip, 0, 1);
547 
548 	mutex_unlock(&chip->mgr->mixer_mutex);
549 	return (changed != 0);
550 }
551 
552 static const struct snd_kcontrol_new pcxhr_control_monitor_sw = {
553 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
554 	.name =         "Monitoring Playback Switch",
555 	.info =         pcxhr_sw_info,		/* shared */
556 	.get =          pcxhr_monitor_sw_get,
557 	.put =          pcxhr_monitor_sw_put
558 };
559 
560 
561 
562 /*
563  * audio source select
564  */
565 #define PCXHR_SOURCE_AUDIO01_UER	0x000100
566 #define PCXHR_SOURCE_AUDIO01_SYNC	0x000200
567 #define PCXHR_SOURCE_AUDIO23_UER	0x000400
568 #define PCXHR_SOURCE_AUDIO45_UER	0x001000
569 #define PCXHR_SOURCE_AUDIO67_UER	0x040000
570 
571 static int pcxhr_set_audio_source(struct snd_pcxhr* chip)
572 {
573 	struct pcxhr_rmh rmh;
574 	unsigned int mask, reg;
575 	unsigned int codec;
576 	int err, changed;
577 
578 	switch (chip->chip_idx) {
579 	case 0 : mask = PCXHR_SOURCE_AUDIO01_UER; codec = CS8420_01_CS; break;
580 	case 1 : mask = PCXHR_SOURCE_AUDIO23_UER; codec = CS8420_23_CS; break;
581 	case 2 : mask = PCXHR_SOURCE_AUDIO45_UER; codec = CS8420_45_CS; break;
582 	case 3 : mask = PCXHR_SOURCE_AUDIO67_UER; codec = CS8420_67_CS; break;
583 	default: return -EINVAL;
584 	}
585 	if (chip->audio_capture_source != 0) {
586 		reg = mask;	/* audio source from digital plug */
587 	} else {
588 		reg = 0;	/* audio source from analog plug */
589 	}
590 	/* set the input source */
591 	pcxhr_write_io_num_reg_cont(chip->mgr, mask, reg, &changed);
592 	/* resync them (otherwise channel inversion possible) */
593 	if (changed) {
594 		pcxhr_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS);
595 		rmh.cmd[0] |= (1 << chip->chip_idx);
596 		err = pcxhr_send_msg(chip->mgr, &rmh);
597 		if (err)
598 			return err;
599 	}
600 	if (chip->mgr->board_aes_in_192k) {
601 		int i;
602 		unsigned int src_config = 0xC0;
603 		/* update all src configs with one call */
604 		for (i = 0; (i < 4) && (i < chip->mgr->capture_chips); i++) {
605 			if (chip->mgr->chip[i]->audio_capture_source == 2)
606 				src_config |= (1 << (3 - i));
607 		}
608 		/* set codec SRC on off */
609 		pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
610 		rmh.cmd_len = 2;
611 		rmh.cmd[0] |= IO_NUM_REG_CONFIG_SRC;
612 		rmh.cmd[1] = src_config;
613 		err = pcxhr_send_msg(chip->mgr, &rmh);
614 	} else {
615 		int use_src = 0;
616 		if (chip->audio_capture_source == 2)
617 			use_src = 1;
618 		/* set codec SRC on off */
619 		pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
620 		rmh.cmd_len = 3;
621 		rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
622 		rmh.cmd[1] = codec;
623 		rmh.cmd[2] = ((CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) |
624 			      (use_src ? 0x41 : 0x54));
625 		err = pcxhr_send_msg(chip->mgr, &rmh);
626 		if (err)
627 			return err;
628 		rmh.cmd[2] = ((CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) |
629 			      (use_src ? 0x41 : 0x49));
630 		err = pcxhr_send_msg(chip->mgr, &rmh);
631 	}
632 	return err;
633 }
634 
635 static int pcxhr_audio_src_info(struct snd_kcontrol *kcontrol,
636 				struct snd_ctl_elem_info *uinfo)
637 {
638 	static const char *texts[5] = {
639 		"Line", "Digital", "Digi+SRC", "Mic", "Line+Mic"
640 	};
641 	int i;
642 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
643 
644 	i = 2;			/* no SRC, no Mic available */
645 	if (chip->mgr->board_has_aes1) {
646 		i = 3;		/* SRC available */
647 		if (chip->mgr->board_has_mic)
648 			i = 5;	/* Mic and MicroMix available */
649 	}
650 	return snd_ctl_enum_info(uinfo, 1, i, texts);
651 }
652 
653 static int pcxhr_audio_src_get(struct snd_kcontrol *kcontrol,
654 			       struct snd_ctl_elem_value *ucontrol)
655 {
656 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
657 	ucontrol->value.enumerated.item[0] = chip->audio_capture_source;
658 	return 0;
659 }
660 
661 static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol,
662 			       struct snd_ctl_elem_value *ucontrol)
663 {
664 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
665 	int ret = 0;
666 	int i = 2;		/* no SRC, no Mic available */
667 	if (chip->mgr->board_has_aes1) {
668 		i = 3;		/* SRC available */
669 		if (chip->mgr->board_has_mic)
670 			i = 5;	/* Mic and MicroMix available */
671 	}
672 	if (ucontrol->value.enumerated.item[0] >= i)
673 		return -EINVAL;
674 	mutex_lock(&chip->mgr->mixer_mutex);
675 	if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) {
676 		chip->audio_capture_source = ucontrol->value.enumerated.item[0];
677 		if (chip->mgr->is_hr_stereo)
678 			hr222_set_audio_source(chip);
679 		else
680 			pcxhr_set_audio_source(chip);
681 		ret = 1;
682 	}
683 	mutex_unlock(&chip->mgr->mixer_mutex);
684 	return ret;
685 }
686 
687 static const struct snd_kcontrol_new pcxhr_control_audio_src = {
688 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
689 	.name =		"Capture Source",
690 	.info =		pcxhr_audio_src_info,
691 	.get =		pcxhr_audio_src_get,
692 	.put =		pcxhr_audio_src_put,
693 };
694 
695 
696 /*
697  * clock type selection
698  * enum pcxhr_clock_type {
699  *	PCXHR_CLOCK_TYPE_INTERNAL = 0,
700  *	PCXHR_CLOCK_TYPE_WORD_CLOCK,
701  *	PCXHR_CLOCK_TYPE_AES_SYNC,
702  *	PCXHR_CLOCK_TYPE_AES_1,
703  *	PCXHR_CLOCK_TYPE_AES_2,
704  *	PCXHR_CLOCK_TYPE_AES_3,
705  *	PCXHR_CLOCK_TYPE_AES_4,
706  *	PCXHR_CLOCK_TYPE_MAX = PCXHR_CLOCK_TYPE_AES_4,
707  *	HR22_CLOCK_TYPE_INTERNAL = PCXHR_CLOCK_TYPE_INTERNAL,
708  *	HR22_CLOCK_TYPE_AES_SYNC,
709  *	HR22_CLOCK_TYPE_AES_1,
710  *	HR22_CLOCK_TYPE_MAX = HR22_CLOCK_TYPE_AES_1,
711  * };
712  */
713 
714 static int pcxhr_clock_type_info(struct snd_kcontrol *kcontrol,
715 				 struct snd_ctl_elem_info *uinfo)
716 {
717 	static const char *textsPCXHR[7] = {
718 		"Internal", "WordClock", "AES Sync",
719 		"AES 1", "AES 2", "AES 3", "AES 4"
720 	};
721 	static const char *textsHR22[3] = {
722 		"Internal", "AES Sync", "AES 1"
723 	};
724 	const char **texts;
725 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
726 	int clock_items = 2;	/* at least Internal and AES Sync clock */
727 	if (mgr->board_has_aes1) {
728 		clock_items += mgr->capture_chips;	/* add AES x */
729 		if (!mgr->is_hr_stereo)
730 			clock_items += 1;		/* add word clock */
731 	}
732 	if (mgr->is_hr_stereo) {
733 		texts = textsHR22;
734 		snd_BUG_ON(clock_items > (HR22_CLOCK_TYPE_MAX+1));
735 	} else {
736 		texts = textsPCXHR;
737 		snd_BUG_ON(clock_items > (PCXHR_CLOCK_TYPE_MAX+1));
738 	}
739 	return snd_ctl_enum_info(uinfo, 1, clock_items, texts);
740 }
741 
742 static int pcxhr_clock_type_get(struct snd_kcontrol *kcontrol,
743 				struct snd_ctl_elem_value *ucontrol)
744 {
745 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
746 	ucontrol->value.enumerated.item[0] = mgr->use_clock_type;
747 	return 0;
748 }
749 
750 static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol,
751 				struct snd_ctl_elem_value *ucontrol)
752 {
753 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
754 	int rate, ret = 0;
755 	unsigned int clock_items = 2; /* at least Internal and AES Sync clock */
756 	if (mgr->board_has_aes1) {
757 		clock_items += mgr->capture_chips;	/* add AES x */
758 		if (!mgr->is_hr_stereo)
759 			clock_items += 1;		/* add word clock */
760 	}
761 	if (ucontrol->value.enumerated.item[0] >= clock_items)
762 		return -EINVAL;
763 	mutex_lock(&mgr->mixer_mutex);
764 	if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) {
765 		mutex_lock(&mgr->setup_mutex);
766 		mgr->use_clock_type = ucontrol->value.enumerated.item[0];
767 		rate = 0;
768 		if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
769 			pcxhr_get_external_clock(mgr, mgr->use_clock_type,
770 						 &rate);
771 		} else {
772 			rate = mgr->sample_rate;
773 			if (!rate)
774 				rate = 48000;
775 		}
776 		if (rate) {
777 			pcxhr_set_clock(mgr, rate);
778 			if (mgr->sample_rate)
779 				mgr->sample_rate = rate;
780 		}
781 		mutex_unlock(&mgr->setup_mutex);
782 		ret = 1; /* return 1 even if the set was not done. ok ? */
783 	}
784 	mutex_unlock(&mgr->mixer_mutex);
785 	return ret;
786 }
787 
788 static const struct snd_kcontrol_new pcxhr_control_clock_type = {
789 	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
790 	.name =		"Clock Mode",
791 	.info =		pcxhr_clock_type_info,
792 	.get =		pcxhr_clock_type_get,
793 	.put =		pcxhr_clock_type_put,
794 };
795 
796 /*
797  * clock rate control
798  * specific control that scans the sample rates on the external plugs
799  */
800 static int pcxhr_clock_rate_info(struct snd_kcontrol *kcontrol,
801 				 struct snd_ctl_elem_info *uinfo)
802 {
803 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
804 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
805 	uinfo->count = 3 + mgr->capture_chips;
806 	uinfo->value.integer.min = 0;		/* clock not present */
807 	uinfo->value.integer.max = 192000;	/* max sample rate 192 kHz */
808 	return 0;
809 }
810 
811 static int pcxhr_clock_rate_get(struct snd_kcontrol *kcontrol,
812 				struct snd_ctl_elem_value *ucontrol)
813 {
814 	struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
815 	int i, err, rate;
816 
817 	mutex_lock(&mgr->mixer_mutex);
818 	for(i = 0; i < 3 + mgr->capture_chips; i++) {
819 		if (i == PCXHR_CLOCK_TYPE_INTERNAL)
820 			rate = mgr->sample_rate_real;
821 		else {
822 			err = pcxhr_get_external_clock(mgr, i, &rate);
823 			if (err)
824 				break;
825 		}
826 		ucontrol->value.integer.value[i] = rate;
827 	}
828 	mutex_unlock(&mgr->mixer_mutex);
829 	return 0;
830 }
831 
832 static const struct snd_kcontrol_new pcxhr_control_clock_rate = {
833 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
834 	.iface =	SNDRV_CTL_ELEM_IFACE_CARD,
835 	.name =		"Clock Rates",
836 	.info =		pcxhr_clock_rate_info,
837 	.get =		pcxhr_clock_rate_get,
838 };
839 
840 /*
841  * IEC958 status bits
842  */
843 static int pcxhr_iec958_info(struct snd_kcontrol *kcontrol,
844 			     struct snd_ctl_elem_info *uinfo)
845 {
846 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
847 	uinfo->count = 1;
848 	return 0;
849 }
850 
851 static int pcxhr_iec958_capture_byte(struct snd_pcxhr *chip,
852 				     int aes_idx, unsigned char *aes_bits)
853 {
854 	int i, err;
855 	unsigned char temp;
856 	struct pcxhr_rmh rmh;
857 
858 	pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
859 	rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
860 	switch (chip->chip_idx) {
861 	  /* instead of CS8420_01_CS use CS8416_01_CS for AES SYNC plug */
862 	case 0:	rmh.cmd[1] = CS8420_01_CS; break;
863 	case 1:	rmh.cmd[1] = CS8420_23_CS; break;
864 	case 2:	rmh.cmd[1] = CS8420_45_CS; break;
865 	case 3:	rmh.cmd[1] = CS8420_67_CS; break;
866 	default: return -EINVAL;
867 	}
868 	if (chip->mgr->board_aes_in_192k) {
869 		switch (aes_idx) {
870 		case 0:	rmh.cmd[2] = CS8416_CSB0; break;
871 		case 1:	rmh.cmd[2] = CS8416_CSB1; break;
872 		case 2:	rmh.cmd[2] = CS8416_CSB2; break;
873 		case 3:	rmh.cmd[2] = CS8416_CSB3; break;
874 		case 4:	rmh.cmd[2] = CS8416_CSB4; break;
875 		default: return -EINVAL;
876 		}
877 	} else {
878 		switch (aes_idx) {
879 		  /* instead of CS8420_CSB0 use CS8416_CSBx for AES SYNC plug */
880 		case 0:	rmh.cmd[2] = CS8420_CSB0; break;
881 		case 1:	rmh.cmd[2] = CS8420_CSB1; break;
882 		case 2:	rmh.cmd[2] = CS8420_CSB2; break;
883 		case 3:	rmh.cmd[2] = CS8420_CSB3; break;
884 		case 4:	rmh.cmd[2] = CS8420_CSB4; break;
885 		default: return -EINVAL;
886 		}
887 	}
888 	/* size and code the chip id for the fpga */
889 	rmh.cmd[1] &= 0x0fffff;
890 	/* chip signature + map for spi read */
891 	rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI;
892 	rmh.cmd_len = 3;
893 	err = pcxhr_send_msg(chip->mgr, &rmh);
894 	if (err)
895 		return err;
896 
897 	if (chip->mgr->board_aes_in_192k) {
898 		temp = (unsigned char)rmh.stat[1];
899 	} else {
900 		temp = 0;
901 		/* reversed bit order (not with CS8416_01_CS) */
902 		for (i = 0; i < 8; i++) {
903 			temp <<= 1;
904 			if (rmh.stat[1] & (1 << i))
905 				temp |= 1;
906 		}
907 	}
908 	dev_dbg(chip->card->dev, "read iec958 AES %d byte %d = 0x%x\n",
909 		    chip->chip_idx, aes_idx, temp);
910 	*aes_bits = temp;
911 	return 0;
912 }
913 
914 static int pcxhr_iec958_get(struct snd_kcontrol *kcontrol,
915 			    struct snd_ctl_elem_value *ucontrol)
916 {
917 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
918 	unsigned char aes_bits;
919 	int i, err;
920 
921 	mutex_lock(&chip->mgr->mixer_mutex);
922 	for(i = 0; i < 5; i++) {
923 		if (kcontrol->private_value == 0)	/* playback */
924 			aes_bits = chip->aes_bits[i];
925 		else {				/* capture */
926 			if (chip->mgr->is_hr_stereo)
927 				err = hr222_iec958_capture_byte(chip, i,
928 								&aes_bits);
929 			else
930 				err = pcxhr_iec958_capture_byte(chip, i,
931 								&aes_bits);
932 			if (err)
933 				break;
934 		}
935 		ucontrol->value.iec958.status[i] = aes_bits;
936 	}
937 	mutex_unlock(&chip->mgr->mixer_mutex);
938         return 0;
939 }
940 
941 static int pcxhr_iec958_mask_get(struct snd_kcontrol *kcontrol,
942 				 struct snd_ctl_elem_value *ucontrol)
943 {
944 	int i;
945 	for (i = 0; i < 5; i++)
946 		ucontrol->value.iec958.status[i] = 0xff;
947         return 0;
948 }
949 
950 static int pcxhr_iec958_update_byte(struct snd_pcxhr *chip,
951 				    int aes_idx, unsigned char aes_bits)
952 {
953 	int i, err, cmd;
954 	unsigned char new_bits = aes_bits;
955 	unsigned char old_bits = chip->aes_bits[aes_idx];
956 	struct pcxhr_rmh rmh;
957 
958 	for (i = 0; i < 8; i++) {
959 		if ((old_bits & 0x01) != (new_bits & 0x01)) {
960 			cmd = chip->chip_idx & 0x03;      /* chip index 0..3 */
961 			if (chip->chip_idx > 3)
962 				/* new bit used if chip_idx>3 (PCX1222HR) */
963 				cmd |= 1 << 22;
964 			cmd |= ((aes_idx << 3) + i) << 2; /* add bit offset */
965 			cmd |= (new_bits & 0x01) << 23;   /* add bit value */
966 			pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
967 			rmh.cmd[0] |= IO_NUM_REG_CUER;
968 			rmh.cmd[1] = cmd;
969 			rmh.cmd_len = 2;
970 			dev_dbg(chip->card->dev,
971 				"write iec958 AES %d byte %d bit %d (cmd %x)\n",
972 				    chip->chip_idx, aes_idx, i, cmd);
973 			err = pcxhr_send_msg(chip->mgr, &rmh);
974 			if (err)
975 				return err;
976 		}
977 		old_bits >>= 1;
978 		new_bits >>= 1;
979 	}
980 	chip->aes_bits[aes_idx] = aes_bits;
981 	return 0;
982 }
983 
984 static int pcxhr_iec958_put(struct snd_kcontrol *kcontrol,
985 			    struct snd_ctl_elem_value *ucontrol)
986 {
987 	struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
988 	int i, changed = 0;
989 
990 	/* playback */
991 	mutex_lock(&chip->mgr->mixer_mutex);
992 	for (i = 0; i < 5; i++) {
993 		if (ucontrol->value.iec958.status[i] != chip->aes_bits[i]) {
994 			if (chip->mgr->is_hr_stereo)
995 				hr222_iec958_update_byte(chip, i,
996 					ucontrol->value.iec958.status[i]);
997 			else
998 				pcxhr_iec958_update_byte(chip, i,
999 					ucontrol->value.iec958.status[i]);
1000 			changed = 1;
1001 		}
1002 	}
1003 	mutex_unlock(&chip->mgr->mixer_mutex);
1004 	return changed;
1005 }
1006 
1007 static const struct snd_kcontrol_new pcxhr_control_playback_iec958_mask = {
1008 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1009 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1010 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1011 	.info =		pcxhr_iec958_info,
1012 	.get =		pcxhr_iec958_mask_get
1013 };
1014 static const struct snd_kcontrol_new pcxhr_control_playback_iec958 = {
1015 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1016 	.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1017 	.info =         pcxhr_iec958_info,
1018 	.get =          pcxhr_iec958_get,
1019 	.put =          pcxhr_iec958_put,
1020 	.private_value = 0 /* playback */
1021 };
1022 
1023 static const struct snd_kcontrol_new pcxhr_control_capture_iec958_mask = {
1024 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1025 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1026 	.name =		SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
1027 	.info =		pcxhr_iec958_info,
1028 	.get =		pcxhr_iec958_mask_get
1029 };
1030 static const struct snd_kcontrol_new pcxhr_control_capture_iec958 = {
1031 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
1032 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
1033 	.name =         SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
1034 	.info =         pcxhr_iec958_info,
1035 	.get =          pcxhr_iec958_get,
1036 	.private_value = 1 /* capture */
1037 };
1038 
1039 static void pcxhr_init_audio_levels(struct snd_pcxhr *chip)
1040 {
1041 	int i;
1042 
1043 	for (i = 0; i < 2; i++) {
1044 		if (chip->nb_streams_play) {
1045 			int j;
1046 			/* at boot time the digital volumes are unmuted 0dB */
1047 			for (j = 0; j < PCXHR_PLAYBACK_STREAMS; j++) {
1048 				chip->digital_playback_active[j][i] = 1;
1049 				chip->digital_playback_volume[j][i] =
1050 					PCXHR_DIGITAL_ZERO_LEVEL;
1051 			}
1052 			/* after boot, only two bits are set on the uer
1053 			 * interface
1054 			 */
1055 			chip->aes_bits[0] = (IEC958_AES0_PROFESSIONAL |
1056 					     IEC958_AES0_PRO_FS_48000);
1057 #ifdef CONFIG_SND_DEBUG
1058 			/* analog volumes for playback
1059 			 * (is LEVEL_MIN after boot)
1060 			 */
1061 			chip->analog_playback_active[i] = 1;
1062 			if (chip->mgr->is_hr_stereo)
1063 				chip->analog_playback_volume[i] =
1064 					HR222_LINE_PLAYBACK_ZERO_LEVEL;
1065 			else {
1066 				chip->analog_playback_volume[i] =
1067 					PCXHR_LINE_PLAYBACK_ZERO_LEVEL;
1068 				pcxhr_update_analog_audio_level(chip, 0, i);
1069 			}
1070 #endif
1071 			/* stereo cards need to be initialised after boot */
1072 			if (chip->mgr->is_hr_stereo)
1073 				hr222_update_analog_audio_level(chip, 0, i);
1074 		}
1075 		if (chip->nb_streams_capt) {
1076 			/* at boot time the digital volumes are unmuted 0dB */
1077 			chip->digital_capture_volume[i] =
1078 				PCXHR_DIGITAL_ZERO_LEVEL;
1079 			chip->analog_capture_active = 1;
1080 #ifdef CONFIG_SND_DEBUG
1081 			/* analog volumes for playback
1082 			 * (is LEVEL_MIN after boot)
1083 			 */
1084 			if (chip->mgr->is_hr_stereo)
1085 				chip->analog_capture_volume[i] =
1086 					HR222_LINE_CAPTURE_ZERO_LEVEL;
1087 			else {
1088 				chip->analog_capture_volume[i] =
1089 					PCXHR_LINE_CAPTURE_ZERO_LEVEL;
1090 				pcxhr_update_analog_audio_level(chip, 1, i);
1091 			}
1092 #endif
1093 			/* stereo cards need to be initialised after boot */
1094 			if (chip->mgr->is_hr_stereo)
1095 				hr222_update_analog_audio_level(chip, 1, i);
1096 		}
1097 	}
1098 
1099 	return;
1100 }
1101 
1102 
1103 int pcxhr_create_mixer(struct pcxhr_mgr *mgr)
1104 {
1105 	struct snd_pcxhr *chip;
1106 	int err, i;
1107 
1108 	mutex_init(&mgr->mixer_mutex); /* can be in another place */
1109 
1110 	for (i = 0; i < mgr->num_cards; i++) {
1111 		struct snd_kcontrol_new temp;
1112 		chip = mgr->chip[i];
1113 
1114 		if (chip->nb_streams_play) {
1115 			/* analog output level control */
1116 			temp = pcxhr_control_analog_level;
1117 			temp.name = "Master Playback Volume";
1118 			temp.private_value = 0; /* playback */
1119 			if (mgr->is_hr_stereo)
1120 				temp.tlv.p = db_scale_a_hr222_playback;
1121 			else
1122 				temp.tlv.p = db_scale_analog_playback;
1123 			err = snd_ctl_add(chip->card,
1124 					  snd_ctl_new1(&temp, chip));
1125 			if (err < 0)
1126 				return err;
1127 
1128 			/* output mute controls */
1129 			err = snd_ctl_add(chip->card,
1130 				snd_ctl_new1(&pcxhr_control_output_switch,
1131 					     chip));
1132 			if (err < 0)
1133 				return err;
1134 
1135 			temp = snd_pcxhr_pcm_vol;
1136 			temp.name = "PCM Playback Volume";
1137 			temp.count = PCXHR_PLAYBACK_STREAMS;
1138 			temp.private_value = 0; /* playback */
1139 			err = snd_ctl_add(chip->card,
1140 					  snd_ctl_new1(&temp, chip));
1141 			if (err < 0)
1142 				return err;
1143 
1144 			err = snd_ctl_add(chip->card,
1145 				snd_ctl_new1(&pcxhr_control_pcm_switch, chip));
1146 			if (err < 0)
1147 				return err;
1148 
1149 			/* IEC958 controls */
1150 			err = snd_ctl_add(chip->card,
1151 				snd_ctl_new1(&pcxhr_control_playback_iec958_mask,
1152 					     chip));
1153 			if (err < 0)
1154 				return err;
1155 
1156 			err = snd_ctl_add(chip->card,
1157 				snd_ctl_new1(&pcxhr_control_playback_iec958,
1158 					     chip));
1159 			if (err < 0)
1160 				return err;
1161 		}
1162 		if (chip->nb_streams_capt) {
1163 			/* analog input level control */
1164 			temp = pcxhr_control_analog_level;
1165 			temp.name = "Line Capture Volume";
1166 			temp.private_value = 1; /* capture */
1167 			if (mgr->is_hr_stereo)
1168 				temp.tlv.p = db_scale_a_hr222_capture;
1169 			else
1170 				temp.tlv.p = db_scale_analog_capture;
1171 
1172 			err = snd_ctl_add(chip->card,
1173 					  snd_ctl_new1(&temp, chip));
1174 			if (err < 0)
1175 				return err;
1176 
1177 			temp = snd_pcxhr_pcm_vol;
1178 			temp.name = "PCM Capture Volume";
1179 			temp.count = 1;
1180 			temp.private_value = 1; /* capture */
1181 
1182 			err = snd_ctl_add(chip->card,
1183 					  snd_ctl_new1(&temp, chip));
1184 			if (err < 0)
1185 				return err;
1186 
1187 			/* Audio source */
1188 			err = snd_ctl_add(chip->card,
1189 				snd_ctl_new1(&pcxhr_control_audio_src, chip));
1190 			if (err < 0)
1191 				return err;
1192 
1193 			/* IEC958 controls */
1194 			err = snd_ctl_add(chip->card,
1195 				snd_ctl_new1(&pcxhr_control_capture_iec958_mask,
1196 					     chip));
1197 			if (err < 0)
1198 				return err;
1199 
1200 			err = snd_ctl_add(chip->card,
1201 				snd_ctl_new1(&pcxhr_control_capture_iec958,
1202 					     chip));
1203 			if (err < 0)
1204 				return err;
1205 
1206 			if (mgr->is_hr_stereo) {
1207 				err = hr222_add_mic_controls(chip);
1208 				if (err < 0)
1209 					return err;
1210 			}
1211 		}
1212 		/* monitoring only if playback and capture device available */
1213 		if (chip->nb_streams_capt > 0 && chip->nb_streams_play > 0) {
1214 			/* monitoring */
1215 			err = snd_ctl_add(chip->card,
1216 				snd_ctl_new1(&pcxhr_control_monitor_vol, chip));
1217 			if (err < 0)
1218 				return err;
1219 
1220 			err = snd_ctl_add(chip->card,
1221 				snd_ctl_new1(&pcxhr_control_monitor_sw, chip));
1222 			if (err < 0)
1223 				return err;
1224 		}
1225 
1226 		if (i == 0) {
1227 			/* clock mode only one control per pcxhr */
1228 			err = snd_ctl_add(chip->card,
1229 				snd_ctl_new1(&pcxhr_control_clock_type, mgr));
1230 			if (err < 0)
1231 				return err;
1232 			/* non standard control used to scan
1233 			 * the external clock presence/frequencies
1234 			 */
1235 			err = snd_ctl_add(chip->card,
1236 				snd_ctl_new1(&pcxhr_control_clock_rate, mgr));
1237 			if (err < 0)
1238 				return err;
1239 		}
1240 
1241 		/* init values for the mixer data */
1242 		pcxhr_init_audio_levels(chip);
1243 	}
1244 
1245 	return 0;
1246 }
1247