ALSA: ctxfi - Fix DMA mask for emu20k2 chip
[linux-2.6.git] / sound / pci / ctxfi / ctmixer.c
1 /**
2  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
3  *
4  * This source file is released under GPL v2 license (no other versions).
5  * See the COPYING file included in the main directory of this source
6  * distribution for the license terms and conditions.
7  *
8  * @File        ctmixer.c
9  *
10  * @Brief
11  * This file contains the implementation of alsa mixer device functions.
12  *
13  * @Author      Liu Chun
14  * @Date        May 28 2008
15  *
16  */
17
18
19 #include "ctmixer.h"
20 #include "ctamixer.h"
21 #include <linux/slab.h>
22 #include <sound/core.h>
23 #include <sound/control.h>
24 #include <sound/asoundef.h>
25 #include <sound/pcm.h>
26 #include <sound/tlv.h>
27
28 enum CT_SUM_CTL {
29         SUM_IN_F,
30         SUM_IN_R,
31         SUM_IN_C,
32         SUM_IN_S,
33         SUM_IN_F_C,
34
35         NUM_CT_SUMS
36 };
37
38 enum CT_AMIXER_CTL {
39         /* volume control mixers */
40         AMIXER_MASTER_F,
41         AMIXER_MASTER_R,
42         AMIXER_MASTER_C,
43         AMIXER_MASTER_S,
44         AMIXER_PCM_F,
45         AMIXER_PCM_R,
46         AMIXER_PCM_C,
47         AMIXER_PCM_S,
48         AMIXER_SPDIFI,
49         AMIXER_LINEIN,
50         AMIXER_MIC,
51         AMIXER_SPDIFO,
52         AMIXER_WAVE_F,
53         AMIXER_WAVE_R,
54         AMIXER_WAVE_C,
55         AMIXER_WAVE_S,
56         AMIXER_MASTER_F_C,
57         AMIXER_PCM_F_C,
58         AMIXER_SPDIFI_C,
59         AMIXER_LINEIN_C,
60         AMIXER_MIC_C,
61
62         /* this should always be the last one */
63         NUM_CT_AMIXERS
64 };
65
66 enum CTALSA_MIXER_CTL {
67         /* volume control mixers */
68         MIXER_MASTER_P,
69         MIXER_PCM_P,
70         MIXER_LINEIN_P,
71         MIXER_MIC_P,
72         MIXER_SPDIFI_P,
73         MIXER_SPDIFO_P,
74         MIXER_WAVEF_P,
75         MIXER_WAVER_P,
76         MIXER_WAVEC_P,
77         MIXER_WAVES_P,
78         MIXER_MASTER_C,
79         MIXER_PCM_C,
80         MIXER_LINEIN_C,
81         MIXER_MIC_C,
82         MIXER_SPDIFI_C,
83
84         /* switch control mixers */
85         MIXER_PCM_C_S,
86         MIXER_LINEIN_C_S,
87         MIXER_MIC_C_S,
88         MIXER_SPDIFI_C_S,
89         MIXER_LINEIN_P_S,
90         MIXER_SPDIFO_P_S,
91         MIXER_SPDIFI_P_S,
92         MIXER_WAVEF_P_S,
93         MIXER_WAVER_P_S,
94         MIXER_WAVEC_P_S,
95         MIXER_WAVES_P_S,
96         MIXER_DIGITAL_IO_S,
97         MIXER_IEC958_MASK,
98         MIXER_IEC958_DEFAULT,
99         MIXER_IEC958_STREAM,
100
101         /* this should always be the last one */
102         NUM_CTALSA_MIXERS
103 };
104
105 #define VOL_MIXER_START         MIXER_MASTER_P
106 #define VOL_MIXER_END           MIXER_SPDIFI_C
107 #define VOL_MIXER_NUM           (VOL_MIXER_END - VOL_MIXER_START + 1)
108 #define SWH_MIXER_START         MIXER_PCM_C_S
109 #define SWH_MIXER_END           MIXER_DIGITAL_IO_S
110 #define SWH_CAPTURE_START       MIXER_PCM_C_S
111 #define SWH_CAPTURE_END         MIXER_SPDIFI_C_S
112
113 #define CHN_NUM         2
114
115 struct ct_kcontrol_init {
116         unsigned char ctl;
117         char *name;
118 };
119
120 static struct ct_kcontrol_init
121 ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = {
122         [MIXER_MASTER_P] = {
123                 .ctl = 1,
124                 .name = "Master Playback Volume",
125         },
126         [MIXER_MASTER_C] = {
127                 .ctl = 1,
128                 .name = "Master Capture Volume",
129         },
130         [MIXER_PCM_P] = {
131                 .ctl = 1,
132                 .name = "PCM Playback Volume",
133         },
134         [MIXER_PCM_C] = {
135                 .ctl = 1,
136                 .name = "PCM Capture Volume",
137         },
138         [MIXER_LINEIN_P] = {
139                 .ctl = 1,
140                 .name = "Line-in Playback Volume",
141         },
142         [MIXER_LINEIN_C] = {
143                 .ctl = 1,
144                 .name = "Line-in Capture Volume",
145         },
146         [MIXER_MIC_P] = {
147                 .ctl = 1,
148                 .name = "Mic Playback Volume",
149         },
150         [MIXER_MIC_C] = {
151                 .ctl = 1,
152                 .name = "Mic Capture Volume",
153         },
154         [MIXER_SPDIFI_P] = {
155                 .ctl = 1,
156                 .name = "S/PDIF-in Playback Volume",
157         },
158         [MIXER_SPDIFI_C] = {
159                 .ctl = 1,
160                 .name = "S/PDIF-in Capture Volume",
161         },
162         [MIXER_SPDIFO_P] = {
163                 .ctl = 1,
164                 .name = "S/PDIF-out Playback Volume",
165         },
166         [MIXER_WAVEF_P] = {
167                 .ctl = 1,
168                 .name = "Front Playback Volume",
169         },
170         [MIXER_WAVES_P] = {
171                 .ctl = 1,
172                 .name = "Side Playback Volume",
173         },
174         [MIXER_WAVEC_P] = {
175                 .ctl = 1,
176                 .name = "Center/LFE Playback Volume",
177         },
178         [MIXER_WAVER_P] = {
179                 .ctl = 1,
180                 .name = "Surround Playback Volume",
181         },
182
183         [MIXER_PCM_C_S] = {
184                 .ctl = 1,
185                 .name = "PCM Capture Switch",
186         },
187         [MIXER_LINEIN_C_S] = {
188                 .ctl = 1,
189                 .name = "Line-in Capture Switch",
190         },
191         [MIXER_MIC_C_S] = {
192                 .ctl = 1,
193                 .name = "Mic Capture Switch",
194         },
195         [MIXER_SPDIFI_C_S] = {
196                 .ctl = 1,
197                 .name = "S/PDIF-in Capture Switch",
198         },
199         [MIXER_LINEIN_P_S] = {
200                 .ctl = 1,
201                 .name = "Line-in Playback Switch",
202         },
203         [MIXER_SPDIFO_P_S] = {
204                 .ctl = 1,
205                 .name = "S/PDIF-out Playback Switch",
206         },
207         [MIXER_SPDIFI_P_S] = {
208                 .ctl = 1,
209                 .name = "S/PDIF-in Playback Switch",
210         },
211         [MIXER_WAVEF_P_S] = {
212                 .ctl = 1,
213                 .name = "Front Playback Switch",
214         },
215         [MIXER_WAVES_P_S] = {
216                 .ctl = 1,
217                 .name = "Side Playback Switch",
218         },
219         [MIXER_WAVEC_P_S] = {
220                 .ctl = 1,
221                 .name = "Center/LFE Playback Switch",
222         },
223         [MIXER_WAVER_P_S] = {
224                 .ctl = 1,
225                 .name = "Surround Playback Switch",
226         },
227         [MIXER_DIGITAL_IO_S] = {
228                 .ctl = 0,
229                 .name = "Digit-IO Playback Switch",
230         },
231 };
232
233 static void
234 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
235
236 static void
237 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
238
239 static struct snd_kcontrol *kctls[2] = {NULL};
240
241 static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index)
242 {
243         switch (alsa_index) {
244         case MIXER_MASTER_P:    return AMIXER_MASTER_F;
245         case MIXER_MASTER_C:    return AMIXER_MASTER_F_C;
246         case MIXER_PCM_P:       return AMIXER_PCM_F;
247         case MIXER_PCM_C:
248         case MIXER_PCM_C_S:     return AMIXER_PCM_F_C;
249         case MIXER_LINEIN_P:    return AMIXER_LINEIN;
250         case MIXER_LINEIN_C:
251         case MIXER_LINEIN_C_S:  return AMIXER_LINEIN_C;
252         case MIXER_MIC_P:       return AMIXER_MIC;
253         case MIXER_MIC_C:
254         case MIXER_MIC_C_S:     return AMIXER_MIC_C;
255         case MIXER_SPDIFI_P:    return AMIXER_SPDIFI;
256         case MIXER_SPDIFI_C:
257         case MIXER_SPDIFI_C_S:  return AMIXER_SPDIFI_C;
258         case MIXER_SPDIFO_P:    return AMIXER_SPDIFO;
259         case MIXER_WAVEF_P:     return AMIXER_WAVE_F;
260         case MIXER_WAVES_P:     return AMIXER_WAVE_S;
261         case MIXER_WAVEC_P:     return AMIXER_WAVE_C;
262         case MIXER_WAVER_P:     return AMIXER_WAVE_R;
263         default:                return NUM_CT_AMIXERS;
264         }
265 }
266
267 static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index)
268 {
269         switch (index) {
270         case AMIXER_MASTER_F:   return AMIXER_MASTER_F_C;
271         case AMIXER_PCM_F:      return AMIXER_PCM_F_C;
272         case AMIXER_SPDIFI:     return AMIXER_SPDIFI_C;
273         case AMIXER_LINEIN:     return AMIXER_LINEIN_C;
274         case AMIXER_MIC:        return AMIXER_MIC_C;
275         default:                return NUM_CT_AMIXERS;
276         }
277 }
278
279 static unsigned char
280 get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type)
281 {
282         return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START)))
283                 ? 1 : 0;
284 }
285
286 static void
287 set_switch_state(struct ct_mixer *mixer,
288                  enum CTALSA_MIXER_CTL type, unsigned char state)
289 {
290         if (state)
291                 mixer->switch_state |= (0x1 << (type - SWH_MIXER_START));
292         else
293                 mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START));
294 }
295
296 #if 0 /* not used */
297 /* Map integer value ranging from 0 to 65535 to 14-bit float value ranging
298  * from 2^-6 to (1+1023/1024) */
299 static unsigned int uint16_to_float14(unsigned int x)
300 {
301         unsigned int i = 0;
302
303         if (x < 17)
304                 return 0;
305
306         x *= 2031;
307         x /= 65535;
308         x += 16;
309
310         /* i <= 6 */
311         for (i = 0; !(x & 0x400); i++)
312                 x <<= 1;
313
314         x = (((7 - i) & 0x7) << 10) | (x & 0x3ff);
315
316         return x;
317 }
318
319 static unsigned int float14_to_uint16(unsigned int x)
320 {
321         unsigned int e = 0;
322
323         if (!x)
324                 return x;
325
326         e = (x >> 10) & 0x7;
327         x &= 0x3ff;
328         x += 1024;
329         x >>= (7 - e);
330         x -= 16;
331         x *= 65535;
332         x /= 2031;
333
334         return x;
335 }
336 #endif /* not used */
337
338 #define VOL_SCALE       0x1c
339 #define VOL_MAX         0x100
340
341 static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1);
342
343 static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol,
344                                    struct snd_ctl_elem_info *uinfo)
345 {
346         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
347         uinfo->count = 2;
348         uinfo->value.integer.min = 0;
349         uinfo->value.integer.max = VOL_MAX;
350
351         return 0;
352 }
353
354 static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol,
355                                   struct snd_ctl_elem_value *ucontrol)
356 {
357         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
358         enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
359         struct amixer *amixer;
360         int i, val;
361
362         for (i = 0; i < 2; i++) {
363                 amixer = ((struct ct_mixer *)atc->mixer)->
364                                                 amixers[type*CHN_NUM+i];
365                 val = amixer->ops->get_scale(amixer) / VOL_SCALE;
366                 if (val < 0)
367                         val = 0;
368                 else if (val > VOL_MAX)
369                         val = VOL_MAX;
370                 ucontrol->value.integer.value[i] = val;
371         }
372
373         return 0;
374 }
375
376 static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol,
377                                   struct snd_ctl_elem_value *ucontrol)
378 {
379         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
380         struct ct_mixer *mixer = atc->mixer;
381         enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
382         struct amixer *amixer;
383         int i, j, val, oval, change = 0;
384
385         for (i = 0; i < 2; i++) {
386                 val = ucontrol->value.integer.value[i];
387                 if (val < 0)
388                         val = 0;
389                 else if (val > VOL_MAX)
390                         val = VOL_MAX;
391                 val *= VOL_SCALE;
392                 amixer = mixer->amixers[type*CHN_NUM+i];
393                 oval = amixer->ops->get_scale(amixer);
394                 if (val != oval) {
395                         amixer->ops->set_scale(amixer, val);
396                         amixer->ops->commit_write(amixer);
397                         change = 1;
398                         /* Synchronize Master/PCM playback AMIXERs. */
399                         if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) {
400                                 for (j = 1; j < 4; j++) {
401                                         amixer = mixer->
402                                                 amixers[(type+j)*CHN_NUM+i];
403                                         amixer->ops->set_scale(amixer, val);
404                                         amixer->ops->commit_write(amixer);
405                                 }
406                         }
407                 }
408         }
409
410         return change;
411 }
412
413 static struct snd_kcontrol_new vol_ctl = {
414         .access         = SNDRV_CTL_ELEM_ACCESS_READWRITE |
415                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
416         .iface          = SNDRV_CTL_ELEM_IFACE_MIXER,
417         .info           = ct_alsa_mix_volume_info,
418         .get            = ct_alsa_mix_volume_get,
419         .put            = ct_alsa_mix_volume_put,
420         .tlv            = { .p =  ct_vol_db_scale },
421 };
422
423 static void
424 do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type)
425 {
426
427         if (MIXER_LINEIN_C_S == type) {
428                 atc->select_line_in(atc);
429                 set_switch_state(atc->mixer, MIXER_MIC_C_S, 0);
430                 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
431                                                         &kctls[1]->id);
432         } else if (MIXER_MIC_C_S == type) {
433                 atc->select_mic_in(atc);
434                 set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0);
435                 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
436                                                         &kctls[0]->id);
437         }
438 }
439
440 static void
441 do_digit_io_switch(struct ct_atc *atc, int state)
442 {
443         struct ct_mixer *mixer = atc->mixer;
444
445         if (state) {
446                 atc->select_digit_io(atc);
447                 atc->spdif_out_unmute(atc,
448                                 get_switch_state(mixer, MIXER_SPDIFO_P_S));
449                 atc->spdif_in_unmute(atc, 1);
450                 atc->line_in_unmute(atc, 0);
451                 return;
452         }
453
454         if (get_switch_state(mixer, MIXER_LINEIN_C_S))
455                 atc->select_line_in(atc);
456         else if (get_switch_state(mixer, MIXER_MIC_C_S))
457                 atc->select_mic_in(atc);
458
459         atc->spdif_out_unmute(atc, 0);
460         atc->spdif_in_unmute(atc, 0);
461         atc->line_in_unmute(atc, 1);
462         return;
463 }
464
465 static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
466                                    struct snd_ctl_elem_info *uinfo)
467 {
468         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
469         uinfo->count = 1;
470         uinfo->value.integer.min = 0;
471         uinfo->value.integer.max = 1;
472         uinfo->value.integer.step = 1;
473
474         return 0;
475 }
476
477 static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol,
478                                   struct snd_ctl_elem_value *ucontrol)
479 {
480         struct ct_mixer *mixer =
481                 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer;
482         enum CTALSA_MIXER_CTL type = kcontrol->private_value;
483
484         ucontrol->value.integer.value[0] = get_switch_state(mixer, type);
485         return 0;
486 }
487
488 static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
489                                   struct snd_ctl_elem_value *ucontrol)
490 {
491         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
492         struct ct_mixer *mixer = atc->mixer;
493         enum CTALSA_MIXER_CTL type = kcontrol->private_value;
494         int state = 0;
495
496         state = ucontrol->value.integer.value[0];
497         if (get_switch_state(mixer, type) == state)
498                 return 0;
499
500         set_switch_state(mixer, type, state);
501         /* Do changes in mixer. */
502         if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
503                 if (state) {
504                         ct_mixer_recording_select(mixer,
505                                                   get_amixer_index(type));
506                 } else {
507                         ct_mixer_recording_unselect(mixer,
508                                                     get_amixer_index(type));
509                 }
510         }
511         /* Do changes out of mixer. */
512         if (state && (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type))
513                 do_line_mic_switch(atc, type);
514         else if (MIXER_WAVEF_P_S == type)
515                 atc->line_front_unmute(atc, state);
516         else if (MIXER_WAVES_P_S == type)
517                 atc->line_surround_unmute(atc, state);
518         else if (MIXER_WAVEC_P_S == type)
519                 atc->line_clfe_unmute(atc, state);
520         else if (MIXER_WAVER_P_S == type)
521                 atc->line_rear_unmute(atc, state);
522         else if (MIXER_LINEIN_P_S == type)
523                 atc->line_in_unmute(atc, state);
524         else if (MIXER_SPDIFO_P_S == type)
525                 atc->spdif_out_unmute(atc, state);
526         else if (MIXER_SPDIFI_P_S == type)
527                 atc->spdif_in_unmute(atc, state);
528         else if (MIXER_DIGITAL_IO_S == type)
529                 do_digit_io_switch(atc, state);
530
531         return 1;
532 }
533
534 static struct snd_kcontrol_new swh_ctl = {
535         .access         = SNDRV_CTL_ELEM_ACCESS_READWRITE,
536         .iface          = SNDRV_CTL_ELEM_IFACE_MIXER,
537         .info           = ct_alsa_mix_switch_info,
538         .get            = ct_alsa_mix_switch_get,
539         .put            = ct_alsa_mix_switch_put
540 };
541
542 static int ct_spdif_info(struct snd_kcontrol *kcontrol,
543                          struct snd_ctl_elem_info *uinfo)
544 {
545         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
546         uinfo->count = 1;
547         return 0;
548 }
549
550 static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol,
551                              struct snd_ctl_elem_value *ucontrol)
552 {
553         ucontrol->value.iec958.status[0] = 0xff;
554         ucontrol->value.iec958.status[1] = 0xff;
555         ucontrol->value.iec958.status[2] = 0xff;
556         ucontrol->value.iec958.status[3] = 0xff;
557         return 0;
558 }
559
560 static int ct_spdif_default_get(struct snd_kcontrol *kcontrol,
561                                 struct snd_ctl_elem_value *ucontrol)
562 {
563         unsigned int status = SNDRV_PCM_DEFAULT_CON_SPDIF;
564
565         ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
566         ucontrol->value.iec958.status[1] = (status >> 8) & 0xff;
567         ucontrol->value.iec958.status[2] = (status >> 16) & 0xff;
568         ucontrol->value.iec958.status[3] = (status >> 24) & 0xff;
569
570         return 0;
571 }
572
573 static int ct_spdif_get(struct snd_kcontrol *kcontrol,
574                         struct snd_ctl_elem_value *ucontrol)
575 {
576         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
577         unsigned int status = 0;
578
579         atc->spdif_out_get_status(atc, &status);
580         ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
581         ucontrol->value.iec958.status[1] = (status >> 8) & 0xff;
582         ucontrol->value.iec958.status[2] = (status >> 16) & 0xff;
583         ucontrol->value.iec958.status[3] = (status >> 24) & 0xff;
584
585         return 0;
586 }
587
588 static int ct_spdif_put(struct snd_kcontrol *kcontrol,
589                         struct snd_ctl_elem_value *ucontrol)
590 {
591         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
592         int change = 1;
593         unsigned int status = 0, old_status = 0;
594
595         status = (ucontrol->value.iec958.status[0] << 0) |
596                  (ucontrol->value.iec958.status[1] << 8) |
597                  (ucontrol->value.iec958.status[2] << 16) |
598                  (ucontrol->value.iec958.status[3] << 24);
599
600         atc->spdif_out_get_status(atc, &old_status);
601         change = (old_status != status);
602         if (change)
603                 atc->spdif_out_set_status(atc, status);
604
605         return change;
606 }
607
608 static struct snd_kcontrol_new iec958_mask_ctl = {
609         .access         = SNDRV_CTL_ELEM_ACCESS_READ,
610         .iface          = SNDRV_CTL_ELEM_IFACE_PCM,
611         .name           = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
612         .count          = 1,
613         .info           = ct_spdif_info,
614         .get            = ct_spdif_get_mask,
615         .private_value  = MIXER_IEC958_MASK
616 };
617
618 static struct snd_kcontrol_new iec958_default_ctl = {
619         .iface          = SNDRV_CTL_ELEM_IFACE_PCM,
620         .name           = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
621         .count          = 1,
622         .info           = ct_spdif_info,
623         .get            = ct_spdif_default_get,
624         .put            = ct_spdif_put,
625         .private_value  = MIXER_IEC958_DEFAULT
626 };
627
628 static struct snd_kcontrol_new iec958_ctl = {
629         .access         = SNDRV_CTL_ELEM_ACCESS_READWRITE,
630         .iface          = SNDRV_CTL_ELEM_IFACE_PCM,
631         .name           = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
632         .count          = 1,
633         .info           = ct_spdif_info,
634         .get            = ct_spdif_get,
635         .put            = ct_spdif_put,
636         .private_value  = MIXER_IEC958_STREAM
637 };
638
639 #define NUM_IEC958_CTL 3
640
641 static int
642 ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
643 {
644         struct snd_kcontrol *kctl = NULL;
645         int err = 0;
646
647         kctl = snd_ctl_new1(new, mixer->atc);
648         if (NULL == kctl)
649                 return -ENOMEM;
650
651         if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
652                 kctl->id.device = IEC958;
653
654         err = snd_ctl_add(mixer->atc->card, kctl);
655         if (err)
656                 return err;
657
658         switch (new->private_value) {
659         case MIXER_LINEIN_C_S:
660                 kctls[0] = kctl; break;
661         case MIXER_MIC_C_S:
662                 kctls[1] = kctl; break;
663         default:
664                 break;
665         }
666
667         return 0;
668 }
669
670 static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
671 {
672         enum CTALSA_MIXER_CTL type = 0;
673         struct ct_atc *atc = mixer->atc;
674         int err = 0;
675
676         /* Create snd kcontrol instances on demand */
677         for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) {
678                 if (ct_kcontrol_init_table[type].ctl) {
679                         vol_ctl.name = ct_kcontrol_init_table[type].name;
680                         vol_ctl.private_value = (unsigned long)type;
681                         err = ct_mixer_kcontrol_new(mixer, &vol_ctl);
682                         if (err)
683                                 return err;
684                 }
685         }
686
687         ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl =
688                                         atc->have_digit_io_switch(atc);
689         for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) {
690                 if (ct_kcontrol_init_table[type].ctl) {
691                         swh_ctl.name = ct_kcontrol_init_table[type].name;
692                         swh_ctl.private_value = (unsigned long)type;
693                         err = ct_mixer_kcontrol_new(mixer, &swh_ctl);
694                         if (err)
695                                 return err;
696                 }
697         }
698
699         err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl);
700         if (err)
701                 return err;
702
703         err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl);
704         if (err)
705                 return err;
706
707         err = ct_mixer_kcontrol_new(mixer, &iec958_ctl);
708         if (err)
709                 return err;
710
711         atc->line_front_unmute(atc, 1);
712         set_switch_state(mixer, MIXER_WAVEF_P_S, 1);
713         atc->line_surround_unmute(atc, 0);
714         set_switch_state(mixer, MIXER_WAVES_P_S, 0);
715         atc->line_clfe_unmute(atc, 0);
716         set_switch_state(mixer, MIXER_WAVEC_P_S, 0);
717         atc->line_rear_unmute(atc, 0);
718         set_switch_state(mixer, MIXER_WAVER_P_S, 0);
719         atc->spdif_out_unmute(atc, 0);
720         set_switch_state(mixer, MIXER_SPDIFO_P_S, 0);
721         atc->line_in_unmute(atc, 0);
722         set_switch_state(mixer, MIXER_LINEIN_P_S, 0);
723         atc->spdif_in_unmute(atc, 0);
724         set_switch_state(mixer, MIXER_SPDIFI_P_S, 0);
725
726         set_switch_state(mixer, MIXER_PCM_C_S, 1);
727         set_switch_state(mixer, MIXER_LINEIN_C_S, 1);
728         set_switch_state(mixer, MIXER_SPDIFI_C_S, 1);
729
730         return 0;
731 }
732
733 static void
734 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
735 {
736         struct amixer *amix_d = NULL;
737         struct sum *sum_c = NULL;
738         int i = 0;
739
740         for (i = 0; i < 2; i++) {
741                 amix_d = mixer->amixers[type*CHN_NUM+i];
742                 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i];
743                 amix_d->ops->set_sum(amix_d, sum_c);
744                 amix_d->ops->commit_write(amix_d);
745         }
746 }
747
748 static void
749 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
750 {
751         struct amixer *amix_d = NULL;
752         int i = 0;
753
754         for (i = 0; i < 2; i++) {
755                 amix_d = mixer->amixers[type*CHN_NUM+i];
756                 amix_d->ops->set_sum(amix_d, NULL);
757                 amix_d->ops->commit_write(amix_d);
758         }
759 }
760
761 static int ct_mixer_get_resources(struct ct_mixer *mixer)
762 {
763         struct sum_mgr *sum_mgr = NULL;
764         struct sum *sum = NULL;
765         struct sum_desc sum_desc = {0};
766         struct amixer_mgr *amixer_mgr = NULL;
767         struct amixer *amixer = NULL;
768         struct amixer_desc am_desc = {0};
769         int err = 0;
770         int i = 0;
771
772         /* Allocate sum resources for mixer obj */
773         sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
774         sum_desc.msr = mixer->atc->msr;
775         for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
776                 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum);
777                 if (err) {
778                         printk(KERN_ERR "ctxfi:Failed to get sum resources for "
779                                           "front output!\n");
780                         break;
781                 }
782                 mixer->sums[i] = sum;
783         }
784         if (err)
785                 goto error1;
786
787         /* Allocate amixer resources for mixer obj */
788         amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
789         am_desc.msr = mixer->atc->msr;
790         for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
791                 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer);
792                 if (err) {
793                         printk(KERN_ERR "ctxfi:Failed to get amixer resources "
794                                "for mixer obj!\n");
795                         break;
796                 }
797                 mixer->amixers[i] = amixer;
798         }
799         if (err)
800                 goto error2;
801
802         return 0;
803
804 error2:
805         for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
806                 if (NULL != mixer->amixers[i]) {
807                         amixer = mixer->amixers[i];
808                         amixer_mgr->put_amixer(amixer_mgr, amixer);
809                         mixer->amixers[i] = NULL;
810                 }
811         }
812 error1:
813         for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
814                 if (NULL != mixer->sums[i]) {
815                         sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
816                         mixer->sums[i] = NULL;
817                 }
818         }
819
820         return err;
821 }
822
823 static int ct_mixer_get_mem(struct ct_mixer **rmixer)
824 {
825         struct ct_mixer *mixer = NULL;
826         int err = 0;
827
828         *rmixer = NULL;
829         /* Allocate mem for mixer obj */
830         mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
831         if (NULL == mixer)
832                 return -ENOMEM;
833
834         mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
835                                  GFP_KERNEL);
836         if (NULL == mixer->amixers) {
837                 err = -ENOMEM;
838                 goto error1;
839         }
840         mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
841         if (NULL == mixer->sums) {
842                 err = -ENOMEM;
843                 goto error2;
844         }
845
846         *rmixer = mixer;
847         return 0;
848
849 error2:
850         kfree(mixer->amixers);
851 error1:
852         kfree(mixer);
853         return err;
854 }
855
856 static int ct_mixer_topology_build(struct ct_mixer *mixer)
857 {
858         struct sum *sum = NULL;
859         struct amixer *amix_d = NULL, *amix_s = NULL;
860         enum CT_AMIXER_CTL i = 0, j = 0;
861
862         /* Build topology from destination to source */
863
864         /* Set up Master mixer */
865         for (i = AMIXER_MASTER_F, j = SUM_IN_F;
866                                         i <= AMIXER_MASTER_S; i++, j++) {
867                 amix_d = mixer->amixers[i*CHN_NUM];
868                 sum = mixer->sums[j*CHN_NUM];
869                 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
870                 amix_d = mixer->amixers[i*CHN_NUM+1];
871                 sum = mixer->sums[j*CHN_NUM+1];
872                 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
873         }
874
875         /* Set up Wave-out mixer */
876         for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F;
877                                         i <= AMIXER_WAVE_S; i++, j++) {
878                 amix_d = mixer->amixers[i*CHN_NUM];
879                 amix_s = mixer->amixers[j*CHN_NUM];
880                 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
881                 amix_d = mixer->amixers[i*CHN_NUM+1];
882                 amix_s = mixer->amixers[j*CHN_NUM+1];
883                 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
884         }
885
886         /* Set up S/PDIF-out mixer */
887         amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM];
888         amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM];
889         amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
890         amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1];
891         amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1];
892         amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
893
894         /* Set up PCM-in mixer */
895         for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) {
896                 amix_d = mixer->amixers[i*CHN_NUM];
897                 sum = mixer->sums[j*CHN_NUM];
898                 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
899                 amix_d = mixer->amixers[i*CHN_NUM+1];
900                 sum = mixer->sums[j*CHN_NUM+1];
901                 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
902         }
903
904         /* Set up Line-in mixer */
905         amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM];
906         sum = mixer->sums[SUM_IN_F*CHN_NUM];
907         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
908         amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1];
909         sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
910         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
911
912         /* Set up Mic-in mixer */
913         amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM];
914         sum = mixer->sums[SUM_IN_F*CHN_NUM];
915         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
916         amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1];
917         sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
918         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
919
920         /* Set up S/PDIF-in mixer */
921         amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM];
922         sum = mixer->sums[SUM_IN_F*CHN_NUM];
923         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
924         amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1];
925         sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
926         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
927
928         /* Set up Master recording mixer */
929         amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM];
930         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
931         amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
932         amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1];
933         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
934         amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
935
936         /* Set up PCM-in recording mixer */
937         amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM];
938         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
939         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
940         amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1];
941         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
942         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
943
944         /* Set up Line-in recording mixer */
945         amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM];
946         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
947         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
948         amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1];
949         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
950         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
951
952         /* Set up Mic-in recording mixer */
953         amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM];
954         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
955         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
956         amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1];
957         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
958         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
959
960         /* Set up S/PDIF-in recording mixer */
961         amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM];
962         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
963         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
964         amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1];
965         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
966         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
967
968         return 0;
969 }
970
971 static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc)
972 {
973         amixer->ops->set_input(amixer, rsc);
974         amixer->ops->commit_write(amixer);
975
976         return 0;
977 }
978
979 static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type)
980 {
981         switch (type) {
982         case MIX_WAVE_FRONT:    return AMIXER_WAVE_F;
983         case MIX_WAVE_SURROUND: return AMIXER_WAVE_S;
984         case MIX_WAVE_CENTLFE:  return AMIXER_WAVE_C;
985         case MIX_WAVE_REAR:     return AMIXER_WAVE_R;
986         case MIX_PCMO_FRONT:    return AMIXER_MASTER_F_C;
987         case MIX_SPDIF_OUT:     return AMIXER_SPDIFO;
988         case MIX_LINE_IN:       return AMIXER_LINEIN;
989         case MIX_MIC_IN:        return AMIXER_MIC;
990         case MIX_SPDIF_IN:      return AMIXER_SPDIFI;
991         case MIX_PCMI_FRONT:    return AMIXER_PCM_F;
992         case MIX_PCMI_SURROUND: return AMIXER_PCM_S;
993         case MIX_PCMI_CENTLFE:  return AMIXER_PCM_C;
994         case MIX_PCMI_REAR:     return AMIXER_PCM_R;
995         default:                return 0;
996         }
997 }
998
999 static int mixer_get_output_ports(struct ct_mixer *mixer,
1000                                   enum MIXER_PORT_T type,
1001                                   struct rsc **rleft, struct rsc **rright)
1002 {
1003         enum CT_AMIXER_CTL amix = port_to_amixer(type);
1004
1005         if (NULL != rleft)
1006                 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc;
1007
1008         if (NULL != rright)
1009                 *rright =
1010                         &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc;
1011
1012         return 0;
1013 }
1014
1015 static int mixer_set_input_left(struct ct_mixer *mixer,
1016                                 enum MIXER_PORT_T type, struct rsc *rsc)
1017 {
1018         enum CT_AMIXER_CTL amix = port_to_amixer(type);
1019
1020         mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1021         amix = get_recording_amixer(amix);
1022         if (amix < NUM_CT_AMIXERS)
1023                 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1024
1025         return 0;
1026 }
1027
1028 static int
1029 mixer_set_input_right(struct ct_mixer *mixer,
1030                       enum MIXER_PORT_T type, struct rsc *rsc)
1031 {
1032         enum CT_AMIXER_CTL amix = port_to_amixer(type);
1033
1034         mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1035         amix = get_recording_amixer(amix);
1036         if (amix < NUM_CT_AMIXERS)
1037                 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1038
1039         return 0;
1040 }
1041
1042 int ct_mixer_destroy(struct ct_mixer *mixer)
1043 {
1044         struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
1045         struct amixer_mgr *amixer_mgr =
1046                         (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
1047         struct amixer *amixer = NULL;
1048         int i = 0;
1049
1050         /* Release amixer resources */
1051         for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
1052                 if (NULL != mixer->amixers[i]) {
1053                         amixer = mixer->amixers[i];
1054                         amixer_mgr->put_amixer(amixer_mgr, amixer);
1055                 }
1056         }
1057
1058         /* Release sum resources */
1059         for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
1060                 if (NULL != mixer->sums[i])
1061                         sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
1062         }
1063
1064         /* Release mem assigned to mixer object */
1065         kfree(mixer->sums);
1066         kfree(mixer->amixers);
1067         kfree(mixer);
1068
1069         return 0;
1070 }
1071
1072 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
1073 {
1074         struct ct_mixer *mixer = NULL;
1075         int err = 0;
1076
1077         *rmixer = NULL;
1078
1079         /* Allocate mem for mixer obj */
1080         err = ct_mixer_get_mem(&mixer);
1081         if (err)
1082                 return err;
1083
1084         mixer->switch_state = 0;
1085         mixer->atc = atc;
1086         /* Set operations */
1087         mixer->get_output_ports = mixer_get_output_ports;
1088         mixer->set_input_left = mixer_set_input_left;
1089         mixer->set_input_right = mixer_set_input_right;
1090
1091         /* Allocate chip resources for mixer obj */
1092         err = ct_mixer_get_resources(mixer);
1093         if (err)
1094                 goto error;
1095
1096         /* Build internal mixer topology */
1097         ct_mixer_topology_build(mixer);
1098
1099         *rmixer = mixer;
1100
1101         return 0;
1102
1103 error:
1104         ct_mixer_destroy(mixer);
1105         return err;
1106 }
1107
1108 int ct_alsa_mix_create(struct ct_atc *atc,
1109                        enum CTALSADEVS device,
1110                        const char *device_name)
1111 {
1112         int err = 0;
1113
1114         /* Create snd kcontrol instances on demand */
1115         /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */
1116         err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer);
1117         if (err)
1118                 return err;
1119
1120         strcpy(atc->card->mixername, device_name);
1121
1122         return 0;
1123 }