ALSA: Kill truncate warning by shortening Sigmatel-specific AC97 control name
[sfrench/cifs-2.6.git] / sound / pci / ca0106 / ca0106_mixer.c
1 /*
2  *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
3  *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
4  *  Version: 0.0.18
5  *
6  *  FEATURES currently supported:
7  *    See ca0106_main.c for features.
8  * 
9  *  Changelog:
10  *    Support interrupts per period.
11  *    Removed noise from Center/LFE channel when in Analog mode.
12  *    Rename and remove mixer controls.
13  *  0.0.6
14  *    Use separate card based DMA buffer for periods table list.
15  *  0.0.7
16  *    Change remove and rename ctrls into lists.
17  *  0.0.8
18  *    Try to fix capture sources.
19  *  0.0.9
20  *    Fix AC3 output.
21  *    Enable S32_LE format support.
22  *  0.0.10
23  *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
24  *  0.0.11
25  *    Add Model name recognition.
26  *  0.0.12
27  *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
28  *    Remove redundent "voice" handling.
29  *  0.0.13
30  *    Single trigger call for multi channels.
31  *  0.0.14
32  *    Set limits based on what the sound card hardware can do.
33  *    playback periods_min=2, periods_max=8
34  *    capture hw constraints require period_size = n * 64 bytes.
35  *    playback hw constraints require period_size = n * 64 bytes.
36  *  0.0.15
37  *    Separated ca0106.c into separate functional .c files.
38  *  0.0.16
39  *    Modified Copyright message.
40  *  0.0.17
41  *    Implement Mic and Line in Capture.
42  *  0.0.18
43  *    Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
44  *
45  *  This code was initally based on code from ALSA's emu10k1x.c which is:
46  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
47  *
48  *   This program is free software; you can redistribute it and/or modify
49  *   it under the terms of the GNU General Public License as published by
50  *   the Free Software Foundation; either version 2 of the License, or
51  *   (at your option) any later version.
52  *
53  *   This program is distributed in the hope that it will be useful,
54  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
55  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
56  *   GNU General Public License for more details.
57  *
58  *   You should have received a copy of the GNU General Public License
59  *   along with this program; if not, write to the Free Software
60  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
61  *
62  */
63 #include <linux/delay.h>
64 #include <linux/init.h>
65 #include <linux/interrupt.h>
66 #include <linux/slab.h>
67 #include <linux/moduleparam.h>
68 #include <sound/core.h>
69 #include <sound/initval.h>
70 #include <sound/pcm.h>
71 #include <sound/ac97_codec.h>
72 #include <sound/info.h>
73 #include <sound/tlv.h>
74 #include <asm/io.h>
75
76 #include "ca0106.h"
77
78 static void ca0106_spdif_enable(struct snd_ca0106 *emu)
79 {
80         unsigned int val;
81
82         if (emu->spdif_enable) {
83                 /* Digital */
84                 snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
85                 snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
86                 val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000;
87                 snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
88                 val = inl(emu->port + GPIO) & ~0x101;
89                 outl(val, emu->port + GPIO);
90
91         } else {
92                 /* Analog */
93                 snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
94                 snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
95                 val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000;
96                 snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
97                 val = inl(emu->port + GPIO) | 0x101;
98                 outl(val, emu->port + GPIO);
99         }
100 }
101
102 static void ca0106_set_capture_source(struct snd_ca0106 *emu)
103 {
104         unsigned int val = emu->capture_source;
105         unsigned int source, mask;
106         source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
107         mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
108         snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
109 }
110
111 static void ca0106_set_i2c_capture_source(struct snd_ca0106 *emu,
112                                           unsigned int val, int force)
113 {
114         unsigned int ngain, ogain;
115         u32 source;
116
117         snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
118         ngain = emu->i2c_capture_volume[val][0]; /* Left */
119         ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
120         if (force || ngain != ogain)
121                 snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ngain & 0xff);
122         ngain = emu->i2c_capture_volume[val][1]; /* Right */
123         ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
124         if (force || ngain != ogain)
125                 snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ngain & 0xff);
126         source = 1 << val;
127         snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
128         emu->i2c_capture_source = val;
129 }
130
131 static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
132 {
133         u32 tmp;
134
135         if (emu->capture_mic_line_in) {
136                 /* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
137                 tmp = inl(emu->port+GPIO) & ~0x400;
138                 tmp = tmp | 0x400;
139                 outl(tmp, emu->port+GPIO);
140                 /* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC); */
141         } else {
142                 /* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
143                 tmp = inl(emu->port+GPIO) & ~0x400;
144                 outl(tmp, emu->port+GPIO);
145                 /* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN); */
146         }
147 }
148
149 static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
150 {
151         snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_str_bits[idx]);
152 }
153
154 /*
155  */
156 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
157 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);
158
159 #define snd_ca0106_shared_spdif_info    snd_ctl_boolean_mono_info
160
161 static int snd_ca0106_shared_spdif_get(struct snd_kcontrol *kcontrol,
162                                         struct snd_ctl_elem_value *ucontrol)
163 {
164         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
165
166         ucontrol->value.integer.value[0] = emu->spdif_enable;
167         return 0;
168 }
169
170 static int snd_ca0106_shared_spdif_put(struct snd_kcontrol *kcontrol,
171                                         struct snd_ctl_elem_value *ucontrol)
172 {
173         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
174         unsigned int val;
175         int change = 0;
176
177         val = !!ucontrol->value.integer.value[0];
178         change = (emu->spdif_enable != val);
179         if (change) {
180                 emu->spdif_enable = val;
181                 ca0106_spdif_enable(emu);
182         }
183         return change;
184 }
185
186 static int snd_ca0106_capture_source_info(struct snd_kcontrol *kcontrol,
187                                           struct snd_ctl_elem_info *uinfo)
188 {
189         static char *texts[6] = {
190                 "IEC958 out", "i2s mixer out", "IEC958 in", "i2s in", "AC97 in", "SRC out"
191         };
192
193         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
194         uinfo->count = 1;
195         uinfo->value.enumerated.items = 6;
196         if (uinfo->value.enumerated.item > 5)
197                 uinfo->value.enumerated.item = 5;
198         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
199         return 0;
200 }
201
202 static int snd_ca0106_capture_source_get(struct snd_kcontrol *kcontrol,
203                                         struct snd_ctl_elem_value *ucontrol)
204 {
205         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
206
207         ucontrol->value.enumerated.item[0] = emu->capture_source;
208         return 0;
209 }
210
211 static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
212                                         struct snd_ctl_elem_value *ucontrol)
213 {
214         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
215         unsigned int val;
216         int change = 0;
217
218         val = ucontrol->value.enumerated.item[0] ;
219         if (val >= 6)
220                 return -EINVAL;
221         change = (emu->capture_source != val);
222         if (change) {
223                 emu->capture_source = val;
224                 ca0106_set_capture_source(emu);
225         }
226         return change;
227 }
228
229 static int snd_ca0106_i2c_capture_source_info(struct snd_kcontrol *kcontrol,
230                                           struct snd_ctl_elem_info *uinfo)
231 {
232         static char *texts[6] = {
233                 "Phone", "Mic", "Line in", "Aux"
234         };
235
236         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
237         uinfo->count = 1;
238         uinfo->value.enumerated.items = 4;
239         if (uinfo->value.enumerated.item > 3)
240                 uinfo->value.enumerated.item = 3;
241         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
242         return 0;
243 }
244
245 static int snd_ca0106_i2c_capture_source_get(struct snd_kcontrol *kcontrol,
246                                         struct snd_ctl_elem_value *ucontrol)
247 {
248         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
249
250         ucontrol->value.enumerated.item[0] = emu->i2c_capture_source;
251         return 0;
252 }
253
254 static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
255                                         struct snd_ctl_elem_value *ucontrol)
256 {
257         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
258         unsigned int source_id;
259         int change = 0;
260         /* If the capture source has changed,
261          * update the capture volume from the cached value
262          * for the particular source.
263          */
264         source_id = ucontrol->value.enumerated.item[0] ;
265         if (source_id >= 4)
266                 return -EINVAL;
267         change = (emu->i2c_capture_source != source_id);
268         if (change) {
269                 ca0106_set_i2c_capture_source(emu, source_id, 0);
270         }
271         return change;
272 }
273
274 static int snd_ca0106_capture_line_in_side_out_info(struct snd_kcontrol *kcontrol,
275                                                struct snd_ctl_elem_info *uinfo)
276 {
277         static char *texts[2] = { "Side out", "Line in" };
278
279         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
280         uinfo->count = 1;
281         uinfo->value.enumerated.items = 2;
282         if (uinfo->value.enumerated.item > 1)
283                 uinfo->value.enumerated.item = 1;
284         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
285         return 0;
286 }
287
288 static int snd_ca0106_capture_mic_line_in_info(struct snd_kcontrol *kcontrol,
289                                                struct snd_ctl_elem_info *uinfo)
290 {
291         static char *texts[2] = { "Line in", "Mic in" };
292
293         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
294         uinfo->count = 1;
295         uinfo->value.enumerated.items = 2;
296         if (uinfo->value.enumerated.item > 1)
297                 uinfo->value.enumerated.item = 1;
298         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
299         return 0;
300 }
301
302 static int snd_ca0106_capture_mic_line_in_get(struct snd_kcontrol *kcontrol,
303                                         struct snd_ctl_elem_value *ucontrol)
304 {
305         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
306
307         ucontrol->value.enumerated.item[0] = emu->capture_mic_line_in;
308         return 0;
309 }
310
311 static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
312                                         struct snd_ctl_elem_value *ucontrol)
313 {
314         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
315         unsigned int val;
316         int change = 0;
317
318         val = ucontrol->value.enumerated.item[0] ;
319         if (val > 1)
320                 return -EINVAL;
321         change = (emu->capture_mic_line_in != val);
322         if (change) {
323                 emu->capture_mic_line_in = val;
324                 ca0106_set_capture_mic_line_in(emu);
325         }
326         return change;
327 }
328
329 static struct snd_kcontrol_new snd_ca0106_capture_mic_line_in __devinitdata =
330 {
331         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
332         .name =         "Shared Mic/Line in Capture Switch",
333         .info =         snd_ca0106_capture_mic_line_in_info,
334         .get =          snd_ca0106_capture_mic_line_in_get,
335         .put =          snd_ca0106_capture_mic_line_in_put
336 };
337
338 static struct snd_kcontrol_new snd_ca0106_capture_line_in_side_out __devinitdata =
339 {
340         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
341         .name =         "Shared Line in/Side out Capture Switch",
342         .info =         snd_ca0106_capture_line_in_side_out_info,
343         .get =          snd_ca0106_capture_mic_line_in_get,
344         .put =          snd_ca0106_capture_mic_line_in_put
345 };
346
347
348 static int snd_ca0106_spdif_info(struct snd_kcontrol *kcontrol,
349                                  struct snd_ctl_elem_info *uinfo)
350 {
351         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
352         uinfo->count = 1;
353         return 0;
354 }
355
356 static void decode_spdif_bits(unsigned char *status, unsigned int bits)
357 {
358         status[0] = (bits >> 0) & 0xff;
359         status[1] = (bits >> 8) & 0xff;
360         status[2] = (bits >> 16) & 0xff;
361         status[3] = (bits >> 24) & 0xff;
362 }
363
364 static int snd_ca0106_spdif_get_default(struct snd_kcontrol *kcontrol,
365                                  struct snd_ctl_elem_value *ucontrol)
366 {
367         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
368         unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
369
370         decode_spdif_bits(ucontrol->value.iec958.status,
371                           emu->spdif_bits[idx]);
372         return 0;
373 }
374
375 static int snd_ca0106_spdif_get_stream(struct snd_kcontrol *kcontrol,
376                                  struct snd_ctl_elem_value *ucontrol)
377 {
378         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
379         unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
380
381         decode_spdif_bits(ucontrol->value.iec958.status,
382                           emu->spdif_str_bits[idx]);
383         return 0;
384 }
385
386 static int snd_ca0106_spdif_get_mask(struct snd_kcontrol *kcontrol,
387                                       struct snd_ctl_elem_value *ucontrol)
388 {
389         ucontrol->value.iec958.status[0] = 0xff;
390         ucontrol->value.iec958.status[1] = 0xff;
391         ucontrol->value.iec958.status[2] = 0xff;
392         ucontrol->value.iec958.status[3] = 0xff;
393         return 0;
394 }
395
396 static unsigned int encode_spdif_bits(unsigned char *status)
397 {
398         return ((unsigned int)status[0] << 0) |
399                 ((unsigned int)status[1] << 8) |
400                 ((unsigned int)status[2] << 16) |
401                 ((unsigned int)status[3] << 24);
402 }
403
404 static int snd_ca0106_spdif_put_default(struct snd_kcontrol *kcontrol,
405                                  struct snd_ctl_elem_value *ucontrol)
406 {
407         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
408         unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
409         unsigned int val;
410
411         val = encode_spdif_bits(ucontrol->value.iec958.status);
412         if (val != emu->spdif_bits[idx]) {
413                 emu->spdif_bits[idx] = val;
414                 /* FIXME: this isn't safe, but needed to keep the compatibility
415                  * with older alsa-lib config
416                  */
417                 emu->spdif_str_bits[idx] = val;
418                 ca0106_set_spdif_bits(emu, idx);
419                 return 1;
420         }
421         return 0;
422 }
423
424 static int snd_ca0106_spdif_put_stream(struct snd_kcontrol *kcontrol,
425                                  struct snd_ctl_elem_value *ucontrol)
426 {
427         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
428         unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
429         unsigned int val;
430
431         val = encode_spdif_bits(ucontrol->value.iec958.status);
432         if (val != emu->spdif_str_bits[idx]) {
433                 emu->spdif_str_bits[idx] = val;
434                 ca0106_set_spdif_bits(emu, idx);
435                 return 1;
436         }
437         return 0;
438 }
439
440 static int snd_ca0106_volume_info(struct snd_kcontrol *kcontrol,
441                                   struct snd_ctl_elem_info *uinfo)
442 {
443         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
444         uinfo->count = 2;
445         uinfo->value.integer.min = 0;
446         uinfo->value.integer.max = 255;
447         return 0;
448 }
449
450 static int snd_ca0106_volume_get(struct snd_kcontrol *kcontrol,
451                                  struct snd_ctl_elem_value *ucontrol)
452 {
453         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
454         unsigned int value;
455         int channel_id, reg;
456
457         channel_id = (kcontrol->private_value >> 8) & 0xff;
458         reg = kcontrol->private_value & 0xff;
459
460         value = snd_ca0106_ptr_read(emu, reg, channel_id);
461         ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
462         ucontrol->value.integer.value[1] = 0xff - ((value >> 16) & 0xff); /* Right */
463         return 0;
464 }
465
466 static int snd_ca0106_volume_put(struct snd_kcontrol *kcontrol,
467                                  struct snd_ctl_elem_value *ucontrol)
468 {
469         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
470         unsigned int oval, nval;
471         int channel_id, reg;
472
473         channel_id = (kcontrol->private_value >> 8) & 0xff;
474         reg = kcontrol->private_value & 0xff;
475
476         oval = snd_ca0106_ptr_read(emu, reg, channel_id);
477         nval = ((0xff - ucontrol->value.integer.value[0]) << 24) |
478                 ((0xff - ucontrol->value.integer.value[1]) << 16);
479         nval |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
480                 ((0xff - ucontrol->value.integer.value[1]) );
481         if (oval == nval)
482                 return 0;
483         snd_ca0106_ptr_write(emu, reg, channel_id, nval);
484         return 1;
485 }
486
487 static int snd_ca0106_i2c_volume_info(struct snd_kcontrol *kcontrol,
488                                   struct snd_ctl_elem_info *uinfo)
489 {
490         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
491         uinfo->count = 2;
492         uinfo->value.integer.min = 0;
493         uinfo->value.integer.max = 255;
494         return 0;
495 }
496
497 static int snd_ca0106_i2c_volume_get(struct snd_kcontrol *kcontrol,
498                                  struct snd_ctl_elem_value *ucontrol)
499 {
500         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
501         int source_id;
502
503         source_id = kcontrol->private_value;
504
505         ucontrol->value.integer.value[0] = emu->i2c_capture_volume[source_id][0];
506         ucontrol->value.integer.value[1] = emu->i2c_capture_volume[source_id][1];
507         return 0;
508 }
509
510 static int snd_ca0106_i2c_volume_put(struct snd_kcontrol *kcontrol,
511                                  struct snd_ctl_elem_value *ucontrol)
512 {
513         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
514         unsigned int ogain;
515         unsigned int ngain;
516         int source_id;
517         int change = 0;
518
519         source_id = kcontrol->private_value;
520         ogain = emu->i2c_capture_volume[source_id][0]; /* Left */
521         ngain = ucontrol->value.integer.value[0];
522         if (ngain > 0xff)
523                 return -EINVAL;
524         if (ogain != ngain) {
525                 if (emu->i2c_capture_source == source_id)
526                         snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff) );
527                 emu->i2c_capture_volume[source_id][0] = ucontrol->value.integer.value[0];
528                 change = 1;
529         }
530         ogain = emu->i2c_capture_volume[source_id][1]; /* Right */
531         ngain = ucontrol->value.integer.value[1];
532         if (ngain > 0xff)
533                 return -EINVAL;
534         if (ogain != ngain) {
535                 if (emu->i2c_capture_source == source_id)
536                         snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
537                 emu->i2c_capture_volume[source_id][1] = ucontrol->value.integer.value[1];
538                 change = 1;
539         }
540
541         return change;
542 }
543
544 #define spi_mute_info   snd_ctl_boolean_mono_info
545
546 static int spi_mute_get(struct snd_kcontrol *kcontrol,
547                         struct snd_ctl_elem_value *ucontrol)
548 {
549         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
550         unsigned int reg = kcontrol->private_value >> SPI_REG_SHIFT;
551         unsigned int bit = kcontrol->private_value & SPI_REG_MASK;
552
553         ucontrol->value.integer.value[0] = !(emu->spi_dac_reg[reg] & bit);
554         return 0;
555 }
556
557 static int spi_mute_put(struct snd_kcontrol *kcontrol,
558                         struct snd_ctl_elem_value *ucontrol)
559 {
560         struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
561         unsigned int reg = kcontrol->private_value >> SPI_REG_SHIFT;
562         unsigned int bit = kcontrol->private_value & SPI_REG_MASK;
563         int ret;
564
565         ret = emu->spi_dac_reg[reg] & bit;
566         if (ucontrol->value.integer.value[0]) {
567                 if (!ret)       /* bit already cleared, do nothing */
568                         return 0;
569                 emu->spi_dac_reg[reg] &= ~bit;
570         } else {
571                 if (ret)        /* bit already set, do nothing */
572                         return 0;
573                 emu->spi_dac_reg[reg] |= bit;
574         }
575
576         ret = snd_ca0106_spi_write(emu, emu->spi_dac_reg[reg]);
577         return ret ? -EINVAL : 1;
578 }
579
580 #define CA_VOLUME(xname,chid,reg) \
581 {                                                               \
582         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,     \
583         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
584                   SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
585         .info =  snd_ca0106_volume_info,                        \
586         .get =   snd_ca0106_volume_get,                         \
587         .put =   snd_ca0106_volume_put,                         \
588         .tlv = { .p = snd_ca0106_db_scale1 },                   \
589         .private_value = ((chid) << 8) | (reg)                  \
590 }
591
592 static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
593         CA_VOLUME("Analog Front Playback Volume",
594                   CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2),
595         CA_VOLUME("Analog Rear Playback Volume",
596                   CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2),
597         CA_VOLUME("Analog Center/LFE Playback Volume",
598                   CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2),
599         CA_VOLUME("Analog Side Playback Volume",
600                   CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2),
601
602         CA_VOLUME("IEC958 Front Playback Volume",
603                   CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1),
604         CA_VOLUME("IEC958 Rear Playback Volume",
605                   CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1),
606         CA_VOLUME("IEC958 Center/LFE Playback Volume",
607                   CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1),
608         CA_VOLUME("IEC958 Unknown Playback Volume",
609                   CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1),
610
611         CA_VOLUME("CAPTURE feedback Playback Volume",
612                   1, CAPTURE_CONTROL),
613
614         {
615                 .access =       SNDRV_CTL_ELEM_ACCESS_READ,
616                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
617                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
618                 .count =        4,
619                 .info =         snd_ca0106_spdif_info,
620                 .get =          snd_ca0106_spdif_get_mask
621         },
622         {
623                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
624                 .name =         "IEC958 Playback Switch",
625                 .info =         snd_ca0106_shared_spdif_info,
626                 .get =          snd_ca0106_shared_spdif_get,
627                 .put =          snd_ca0106_shared_spdif_put
628         },
629         {
630                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
631                 .name =         "Digital Source Capture Enum",
632                 .info =         snd_ca0106_capture_source_info,
633                 .get =          snd_ca0106_capture_source_get,
634                 .put =          snd_ca0106_capture_source_put
635         },
636         {
637                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
638                 .name =         "Analog Source Capture Enum",
639                 .info =         snd_ca0106_i2c_capture_source_info,
640                 .get =          snd_ca0106_i2c_capture_source_get,
641                 .put =          snd_ca0106_i2c_capture_source_put
642         },
643         {
644                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
645                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
646                 .count =        4,
647                 .info =         snd_ca0106_spdif_info,
648                 .get =          snd_ca0106_spdif_get_default,
649                 .put =          snd_ca0106_spdif_put_default
650         },
651         {
652                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
653                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
654                 .count =        4,
655                 .info =         snd_ca0106_spdif_info,
656                 .get =          snd_ca0106_spdif_get_stream,
657                 .put =          snd_ca0106_spdif_put_stream
658         },
659 };
660
661 #define I2C_VOLUME(xname,chid) \
662 {                                                               \
663         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,     \
664         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
665                   SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
666         .info =  snd_ca0106_i2c_volume_info,                    \
667         .get =   snd_ca0106_i2c_volume_get,                     \
668         .put =   snd_ca0106_i2c_volume_put,                     \
669         .tlv = { .p = snd_ca0106_db_scale2 },                   \
670         .private_value = chid                                   \
671 }
672
673 static struct snd_kcontrol_new snd_ca0106_volume_i2c_adc_ctls[] __devinitdata = {
674         I2C_VOLUME("Phone Capture Volume", 0),
675         I2C_VOLUME("Mic Capture Volume", 1),
676         I2C_VOLUME("Line in Capture Volume", 2),
677         I2C_VOLUME("Aux Capture Volume", 3),
678 };
679
680 #define SPI_SWITCH(xname,reg,bit) \
681 {                                                               \
682         .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,    \
683         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,              \
684         .info   = spi_mute_info,                                \
685         .get    = spi_mute_get,                                 \
686         .put    = spi_mute_put,                                 \
687         .private_value = (reg<<SPI_REG_SHIFT) | (bit)           \
688 }
689
690 static struct snd_kcontrol_new snd_ca0106_volume_spi_dac_ctls[]
691 __devinitdata = {
692         SPI_SWITCH("Analog Front Playback Switch",
693                    SPI_DMUTE4_REG, SPI_DMUTE4_BIT),
694         SPI_SWITCH("Analog Rear Playback Switch",
695                    SPI_DMUTE0_REG, SPI_DMUTE0_BIT),
696         SPI_SWITCH("Analog Center/LFE Playback Switch",
697                    SPI_DMUTE2_REG, SPI_DMUTE2_BIT),
698         SPI_SWITCH("Analog Side Playback Switch",
699                    SPI_DMUTE1_REG, SPI_DMUTE1_BIT),
700 };
701
702 static int __devinit remove_ctl(struct snd_card *card, const char *name)
703 {
704         struct snd_ctl_elem_id id;
705         memset(&id, 0, sizeof(id));
706         strcpy(id.name, name);
707         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
708         return snd_ctl_remove_id(card, &id);
709 }
710
711 static struct snd_kcontrol __devinit *ctl_find(struct snd_card *card, const char *name)
712 {
713         struct snd_ctl_elem_id sid;
714         memset(&sid, 0, sizeof(sid));
715         /* FIXME: strcpy is bad. */
716         strcpy(sid.name, name);
717         sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
718         return snd_ctl_find_id(card, &sid);
719 }
720
721 static int __devinit rename_ctl(struct snd_card *card, const char *src, const char *dst)
722 {
723         struct snd_kcontrol *kctl = ctl_find(card, src);
724         if (kctl) {
725                 strcpy(kctl->id.name, dst);
726                 return 0;
727         }
728         return -ENOENT;
729 }
730
731 #define ADD_CTLS(emu, ctls)                                             \
732         do {                                                            \
733                 int i, _err;                                            \
734                 for (i = 0; i < ARRAY_SIZE(ctls); i++) {                \
735                         _err = snd_ctl_add(card, snd_ctl_new1(&ctls[i], emu)); \
736                         if (_err < 0)                                   \
737                                 return _err;                            \
738                 }                                                       \
739         } while (0)
740
741 static __devinitdata
742 DECLARE_TLV_DB_SCALE(snd_ca0106_master_db_scale, -6375, 50, 1);
743
744 static char *slave_vols[] __devinitdata = {
745         "Analog Front Playback Volume",
746         "Analog Rear Playback Volume",
747         "Analog Center/LFE Playback Volume",
748         "Analog Side Playback Volume",
749         "IEC958 Front Playback Volume",
750         "IEC958 Rear Playback Volume",
751         "IEC958 Center/LFE Playback Volume",
752         "IEC958 Unknown Playback Volume",
753         "CAPTURE feedback Playback Volume",
754         NULL
755 };
756
757 static char *slave_sws[] __devinitdata = {
758         "Analog Front Playback Switch",
759         "Analog Rear Playback Switch",
760         "Analog Center/LFE Playback Switch",
761         "Analog Side Playback Switch",
762         "IEC958 Playback Switch",
763         NULL
764 };
765
766 static void __devinit add_slaves(struct snd_card *card,
767                                  struct snd_kcontrol *master, char **list)
768 {
769         for (; *list; list++) {
770                 struct snd_kcontrol *slave = ctl_find(card, *list);
771                 if (slave)
772                         snd_ctl_add_slave(master, slave);
773         }
774 }
775
776 int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
777 {
778         int err;
779         struct snd_card *card = emu->card;
780         char **c;
781         struct snd_kcontrol *vmaster;
782         static char *ca0106_remove_ctls[] = {
783                 "Master Mono Playback Switch",
784                 "Master Mono Playback Volume",
785                 "3D Control - Switch",
786                 "3D Control Sigmatel - Depth",
787                 "PCM Playback Switch",
788                 "PCM Playback Volume",
789                 "CD Playback Switch",
790                 "CD Playback Volume",
791                 "Phone Playback Switch",
792                 "Phone Playback Volume",
793                 "Video Playback Switch",
794                 "Video Playback Volume",
795                 "PC Speaker Playback Switch",
796                 "PC Speaker Playback Volume",
797                 "Mono Output Select",
798                 "Capture Source",
799                 "Capture Switch",
800                 "Capture Volume",
801                 "External Amplifier",
802                 "Sigmatel 4-Speaker Stereo Playback Switch",
803                 "Surround Phase Inversion Playback Switch",
804                 NULL
805         };
806         static char *ca0106_rename_ctls[] = {
807                 "Master Playback Switch", "Capture Switch",
808                 "Master Playback Volume", "Capture Volume",
809                 "Line Playback Switch", "AC97 Line Capture Switch",
810                 "Line Playback Volume", "AC97 Line Capture Volume",
811                 "Aux Playback Switch", "AC97 Aux Capture Switch",
812                 "Aux Playback Volume", "AC97 Aux Capture Volume",
813                 "Mic Playback Switch", "AC97 Mic Capture Switch",
814                 "Mic Playback Volume", "AC97 Mic Capture Volume",
815                 "Mic Select", "AC97 Mic Select",
816                 "Mic Boost (+20dB)", "AC97 Mic Boost (+20dB)",
817                 NULL
818         };
819 #if 1
820         for (c = ca0106_remove_ctls; *c; c++)
821                 remove_ctl(card, *c);
822         for (c = ca0106_rename_ctls; *c; c += 2)
823                 rename_ctl(card, c[0], c[1]);
824 #endif
825
826         ADD_CTLS(emu, snd_ca0106_volume_ctls);
827         if (emu->details->i2c_adc == 1) {
828                 ADD_CTLS(emu, snd_ca0106_volume_i2c_adc_ctls);
829                 if (emu->details->gpio_type == 1)
830                         err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu));
831                 else  /* gpio_type == 2 */
832                         err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_line_in_side_out, emu));
833                 if (err < 0)
834                         return err;
835         }
836         if (emu->details->spi_dac == 1)
837                 ADD_CTLS(emu, snd_ca0106_volume_spi_dac_ctls);
838
839         /* Create virtual master controls */
840         vmaster = snd_ctl_make_virtual_master("Master Playback Volume",
841                                               snd_ca0106_master_db_scale);
842         if (!vmaster)
843                 return -ENOMEM;
844         add_slaves(card, vmaster, slave_vols);
845
846         if (emu->details->spi_dac == 1) {
847                 vmaster = snd_ctl_make_virtual_master("Master Playback Switch",
848                                                       NULL);
849                 if (!vmaster)
850                         return -ENOMEM;
851                 add_slaves(card, vmaster, slave_sws);
852         }
853         return 0;
854 }
855
856 #ifdef CONFIG_PM
857 struct ca0106_vol_tbl {
858         unsigned int channel_id;
859         unsigned int reg;
860 };
861
862 static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
863         { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
864         { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
865         { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },
866         { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2 },
867         { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1 },
868         { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1 },
869         { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1 },
870         { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1 },
871         { 1, CAPTURE_CONTROL },
872 };
873
874 void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip)
875 {
876         int i;
877
878         /* save volumes */
879         for (i = 0; i < NUM_SAVED_VOLUMES; i++)
880                 chip->saved_vol[i] =
881                         snd_ca0106_ptr_read(chip, saved_volumes[i].reg,
882                                             saved_volumes[i].channel_id);
883 }
884
885 void snd_ca0106_mixer_resume(struct snd_ca0106  *chip)
886 {
887         int i;
888
889         for (i = 0; i < NUM_SAVED_VOLUMES; i++)
890                 snd_ca0106_ptr_write(chip, saved_volumes[i].reg,
891                                      saved_volumes[i].channel_id,
892                                      chip->saved_vol[i]);
893
894         ca0106_spdif_enable(chip);
895         ca0106_set_capture_source(chip);
896         ca0106_set_i2c_capture_source(chip, chip->i2c_capture_source, 1);
897         for (i = 0; i < 4; i++)
898                 ca0106_set_spdif_bits(chip, i);
899         if (chip->details->i2c_adc)
900                 ca0106_set_capture_mic_line_in(chip);
901 }
902 #endif /* CONFIG_PM */