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TOMOYO Linux Cross Reference
Linux/sound/isa/sb/sb_mixer.c

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  1 /*
  2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  3  *  Routines for Sound Blaster mixer control
  4  *
  5  *
  6  *   This program is free software; you can redistribute it and/or modify
  7  *   it under the terms of the GNU General Public License as published by
  8  *   the Free Software Foundation; either version 2 of the License, or
  9  *   (at your option) any later version.
 10  *
 11  *   This program is distributed in the hope that it will be useful,
 12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  *   GNU General Public License for more details.
 15  *
 16  *   You should have received a copy of the GNU General Public License
 17  *   along with this program; if not, write to the Free Software
 18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 19  *
 20  */
 21 
 22 #include <asm/io.h>
 23 #include <linux/delay.h>
 24 #include <linux/time.h>
 25 #include <sound/core.h>
 26 #include <sound/sb.h>
 27 #include <sound/control.h>
 28 
 29 #undef IO_DEBUG
 30 
 31 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
 32 {
 33         outb(reg, SBP(chip, MIXER_ADDR));
 34         udelay(10);
 35         outb(data, SBP(chip, MIXER_DATA));
 36         udelay(10);
 37 #ifdef IO_DEBUG
 38         snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
 39 #endif
 40 }
 41 
 42 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
 43 {
 44         unsigned char result;
 45 
 46         outb(reg, SBP(chip, MIXER_ADDR));
 47         udelay(10);
 48         result = inb(SBP(chip, MIXER_DATA));
 49         udelay(10);
 50 #ifdef IO_DEBUG
 51         snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
 52 #endif
 53         return result;
 54 }
 55 
 56 /*
 57  * Single channel mixer element
 58  */
 59 
 60 static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 61 {
 62         int mask = (kcontrol->private_value >> 24) & 0xff;
 63 
 64         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 65         uinfo->count = 1;
 66         uinfo->value.integer.min = 0;
 67         uinfo->value.integer.max = mask;
 68         return 0;
 69 }
 70 
 71 static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 72 {
 73         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 74         unsigned long flags;
 75         int reg = kcontrol->private_value & 0xff;
 76         int shift = (kcontrol->private_value >> 16) & 0xff;
 77         int mask = (kcontrol->private_value >> 24) & 0xff;
 78         unsigned char val;
 79 
 80         spin_lock_irqsave(&sb->mixer_lock, flags);
 81         val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
 82         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 83         ucontrol->value.integer.value[0] = val;
 84         return 0;
 85 }
 86 
 87 static int snd_sbmixer_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 88 {
 89         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 90         unsigned long flags;
 91         int reg = kcontrol->private_value & 0xff;
 92         int shift = (kcontrol->private_value >> 16) & 0x07;
 93         int mask = (kcontrol->private_value >> 24) & 0xff;
 94         int change;
 95         unsigned char val, oval;
 96 
 97         val = (ucontrol->value.integer.value[0] & mask) << shift;
 98         spin_lock_irqsave(&sb->mixer_lock, flags);
 99         oval = snd_sbmixer_read(sb, reg);
100         val = (oval & ~(mask << shift)) | val;
101         change = val != oval;
102         if (change)
103                 snd_sbmixer_write(sb, reg, val);
104         spin_unlock_irqrestore(&sb->mixer_lock, flags);
105         return change;
106 }
107 
108 /*
109  * Double channel mixer element
110  */
111 
112 static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
113 {
114         int mask = (kcontrol->private_value >> 24) & 0xff;
115 
116         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
117         uinfo->count = 2;
118         uinfo->value.integer.min = 0;
119         uinfo->value.integer.max = mask;
120         return 0;
121 }
122 
123 static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
124 {
125         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
126         unsigned long flags;
127         int left_reg = kcontrol->private_value & 0xff;
128         int right_reg = (kcontrol->private_value >> 8) & 0xff;
129         int left_shift = (kcontrol->private_value >> 16) & 0x07;
130         int right_shift = (kcontrol->private_value >> 19) & 0x07;
131         int mask = (kcontrol->private_value >> 24) & 0xff;
132         unsigned char left, right;
133 
134         spin_lock_irqsave(&sb->mixer_lock, flags);
135         left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
136         right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
137         spin_unlock_irqrestore(&sb->mixer_lock, flags);
138         ucontrol->value.integer.value[0] = left;
139         ucontrol->value.integer.value[1] = right;
140         return 0;
141 }
142 
143 static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
144 {
145         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
146         unsigned long flags;
147         int left_reg = kcontrol->private_value & 0xff;
148         int right_reg = (kcontrol->private_value >> 8) & 0xff;
149         int left_shift = (kcontrol->private_value >> 16) & 0x07;
150         int right_shift = (kcontrol->private_value >> 19) & 0x07;
151         int mask = (kcontrol->private_value >> 24) & 0xff;
152         int change;
153         unsigned char left, right, oleft, oright;
154 
155         left = (ucontrol->value.integer.value[0] & mask) << left_shift;
156         right = (ucontrol->value.integer.value[1] & mask) << right_shift;
157         spin_lock_irqsave(&sb->mixer_lock, flags);
158         if (left_reg == right_reg) {
159                 oleft = snd_sbmixer_read(sb, left_reg);
160                 left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
161                 change = left != oleft;
162                 if (change)
163                         snd_sbmixer_write(sb, left_reg, left);
164         } else {
165                 oleft = snd_sbmixer_read(sb, left_reg);
166                 oright = snd_sbmixer_read(sb, right_reg);
167                 left = (oleft & ~(mask << left_shift)) | left;
168                 right = (oright & ~(mask << right_shift)) | right;
169                 change = left != oleft || right != oright;
170                 if (change) {
171                         snd_sbmixer_write(sb, left_reg, left);
172                         snd_sbmixer_write(sb, right_reg, right);
173                 }
174         }
175         spin_unlock_irqrestore(&sb->mixer_lock, flags);
176         return change;
177 }
178 
179 /*
180  * DT-019x / ALS-007 capture/input switch
181  */
182 
183 static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
184 {
185         static const char *texts[5] = {
186                 "CD", "Mic", "Line", "Synth", "Master"
187         };
188 
189         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
190         uinfo->count = 1;
191         uinfo->value.enumerated.items = 5;
192         if (uinfo->value.enumerated.item > 4)
193                 uinfo->value.enumerated.item = 4;
194         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
195         return 0;
196 }
197 
198 static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
199 {
200         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
201         unsigned long flags;
202         unsigned char oval;
203         
204         spin_lock_irqsave(&sb->mixer_lock, flags);
205         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
206         spin_unlock_irqrestore(&sb->mixer_lock, flags);
207         switch (oval & 0x07) {
208         case SB_DT019X_CAP_CD:
209                 ucontrol->value.enumerated.item[0] = 0;
210                 break;
211         case SB_DT019X_CAP_MIC:
212                 ucontrol->value.enumerated.item[0] = 1;
213                 break;
214         case SB_DT019X_CAP_LINE:
215                 ucontrol->value.enumerated.item[0] = 2;
216                 break;
217         case SB_DT019X_CAP_MAIN:
218                 ucontrol->value.enumerated.item[0] = 4;
219                 break;
220         /* To record the synth on these cards you must record the main.   */
221         /* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
222         /* duplicate case labels if left uncommented. */
223         /* case SB_DT019X_CAP_SYNTH:
224          *      ucontrol->value.enumerated.item[0] = 3;
225          *      break;
226          */
227         default:
228                 ucontrol->value.enumerated.item[0] = 4;
229                 break;
230         }
231         return 0;
232 }
233 
234 static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
235 {
236         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
237         unsigned long flags;
238         int change;
239         unsigned char nval, oval;
240         
241         if (ucontrol->value.enumerated.item[0] > 4)
242                 return -EINVAL;
243         switch (ucontrol->value.enumerated.item[0]) {
244         case 0:
245                 nval = SB_DT019X_CAP_CD;
246                 break;
247         case 1:
248                 nval = SB_DT019X_CAP_MIC;
249                 break;
250         case 2:
251                 nval = SB_DT019X_CAP_LINE;
252                 break;
253         case 3:
254                 nval = SB_DT019X_CAP_SYNTH;
255                 break;
256         case 4:
257                 nval = SB_DT019X_CAP_MAIN;
258                 break;
259         default:
260                 nval = SB_DT019X_CAP_MAIN;
261         }
262         spin_lock_irqsave(&sb->mixer_lock, flags);
263         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
264         change = nval != oval;
265         if (change)
266                 snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
267         spin_unlock_irqrestore(&sb->mixer_lock, flags);
268         return change;
269 }
270 
271 /*
272  * ALS4000 mono recording control switch
273  */
274 
275 static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
276                                              struct snd_ctl_elem_info *uinfo)
277 {
278         static const char *texts[3] = {
279                 "L chan only", "R chan only", "L ch/2 + R ch/2"
280         };
281 
282         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
283         uinfo->count = 1;
284         uinfo->value.enumerated.items = 3;
285         if (uinfo->value.enumerated.item > 2)
286                 uinfo->value.enumerated.item = 2;
287         strcpy(uinfo->value.enumerated.name,
288                texts[uinfo->value.enumerated.item]);
289         return 0;
290 }
291 
292 static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
293                                 struct snd_ctl_elem_value *ucontrol)
294 {
295         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
296         unsigned long flags;
297         unsigned char oval;
298 
299         spin_lock_irqsave(&sb->mixer_lock, flags);
300         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
301         spin_unlock_irqrestore(&sb->mixer_lock, flags);
302         oval >>= 6;
303         if (oval > 2)
304                 oval = 2;
305 
306         ucontrol->value.enumerated.item[0] = oval;
307         return 0;
308 }
309 
310 static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
311                                 struct snd_ctl_elem_value *ucontrol)
312 {
313         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
314         unsigned long flags;
315         int change;
316         unsigned char nval, oval;
317 
318         if (ucontrol->value.enumerated.item[0] > 2)
319                 return -EINVAL;
320         spin_lock_irqsave(&sb->mixer_lock, flags);
321         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
322 
323         nval = (oval & ~(3 << 6))
324              | (ucontrol->value.enumerated.item[0] << 6);
325         change = nval != oval;
326         if (change)
327                 snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
328         spin_unlock_irqrestore(&sb->mixer_lock, flags);
329         return change;
330 }
331 
332 /*
333  * SBPRO input multiplexer
334  */
335 
336 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
337 {
338         static const char *texts[3] = {
339                 "Mic", "CD", "Line"
340         };
341 
342         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
343         uinfo->count = 1;
344         uinfo->value.enumerated.items = 3;
345         if (uinfo->value.enumerated.item > 2)
346                 uinfo->value.enumerated.item = 2;
347         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
348         return 0;
349 }
350 
351 
352 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
353 {
354         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
355         unsigned long flags;
356         unsigned char oval;
357         
358         spin_lock_irqsave(&sb->mixer_lock, flags);
359         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
360         spin_unlock_irqrestore(&sb->mixer_lock, flags);
361         switch ((oval >> 0x01) & 0x03) {
362         case SB_DSP_MIXS_CD:
363                 ucontrol->value.enumerated.item[0] = 1;
364                 break;
365         case SB_DSP_MIXS_LINE:
366                 ucontrol->value.enumerated.item[0] = 2;
367                 break;
368         default:
369                 ucontrol->value.enumerated.item[0] = 0;
370                 break;
371         }
372         return 0;
373 }
374 
375 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
376 {
377         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
378         unsigned long flags;
379         int change;
380         unsigned char nval, oval;
381         
382         if (ucontrol->value.enumerated.item[0] > 2)
383                 return -EINVAL;
384         switch (ucontrol->value.enumerated.item[0]) {
385         case 1:
386                 nval = SB_DSP_MIXS_CD;
387                 break;
388         case 2:
389                 nval = SB_DSP_MIXS_LINE;
390                 break;
391         default:
392                 nval = SB_DSP_MIXS_MIC;
393         }
394         nval <<= 1;
395         spin_lock_irqsave(&sb->mixer_lock, flags);
396         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
397         nval |= oval & ~0x06;
398         change = nval != oval;
399         if (change)
400                 snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
401         spin_unlock_irqrestore(&sb->mixer_lock, flags);
402         return change;
403 }
404 
405 /*
406  * SB16 input switch
407  */
408 
409 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
410 {
411         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
412         uinfo->count = 4;
413         uinfo->value.integer.min = 0;
414         uinfo->value.integer.max = 1;
415         return 0;
416 }
417 
418 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
419 {
420         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
421         unsigned long flags;
422         int reg1 = kcontrol->private_value & 0xff;
423         int reg2 = (kcontrol->private_value >> 8) & 0xff;
424         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
425         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
426         unsigned char val1, val2;
427 
428         spin_lock_irqsave(&sb->mixer_lock, flags);
429         val1 = snd_sbmixer_read(sb, reg1);
430         val2 = snd_sbmixer_read(sb, reg2);
431         spin_unlock_irqrestore(&sb->mixer_lock, flags);
432         ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
433         ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
434         ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
435         ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
436         return 0;
437 }                                                                                                                   
438 
439 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
440 {
441         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
442         unsigned long flags;
443         int reg1 = kcontrol->private_value & 0xff;
444         int reg2 = (kcontrol->private_value >> 8) & 0xff;
445         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
446         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
447         int change;
448         unsigned char val1, val2, oval1, oval2;
449 
450         spin_lock_irqsave(&sb->mixer_lock, flags);
451         oval1 = snd_sbmixer_read(sb, reg1);
452         oval2 = snd_sbmixer_read(sb, reg2);
453         val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
454         val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
455         val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
456         val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
457         val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
458         val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
459         change = val1 != oval1 || val2 != oval2;
460         if (change) {
461                 snd_sbmixer_write(sb, reg1, val1);
462                 snd_sbmixer_write(sb, reg2, val2);
463         }
464         spin_unlock_irqrestore(&sb->mixer_lock, flags);
465         return change;
466 }
467 
468 
469 /*
470  */
471 /*
472  */
473 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
474 {
475         static struct snd_kcontrol_new newctls[] = {
476                 [SB_MIX_SINGLE] = {
477                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
478                         .info = snd_sbmixer_info_single,
479                         .get = snd_sbmixer_get_single,
480                         .put = snd_sbmixer_put_single,
481                 },
482                 [SB_MIX_DOUBLE] = {
483                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
484                         .info = snd_sbmixer_info_double,
485                         .get = snd_sbmixer_get_double,
486                         .put = snd_sbmixer_put_double,
487                 },
488                 [SB_MIX_INPUT_SW] = {
489                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
490                         .info = snd_sb16mixer_info_input_sw,
491                         .get = snd_sb16mixer_get_input_sw,
492                         .put = snd_sb16mixer_put_input_sw,
493                 },
494                 [SB_MIX_CAPTURE_PRO] = {
495                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
496                         .info = snd_sb8mixer_info_mux,
497                         .get = snd_sb8mixer_get_mux,
498                         .put = snd_sb8mixer_put_mux,
499                 },
500                 [SB_MIX_CAPTURE_DT019X] = {
501                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
502                         .info = snd_dt019x_input_sw_info,
503                         .get = snd_dt019x_input_sw_get,
504                         .put = snd_dt019x_input_sw_put,
505                 },
506                 [SB_MIX_MONO_CAPTURE_ALS4K] = {
507                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
508                         .info = snd_als4k_mono_capture_route_info,
509                         .get = snd_als4k_mono_capture_route_get,
510                         .put = snd_als4k_mono_capture_route_put,
511                 },
512         };
513         struct snd_kcontrol *ctl;
514         int err;
515 
516         ctl = snd_ctl_new1(&newctls[type], chip);
517         if (! ctl)
518                 return -ENOMEM;
519         strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
520         ctl->id.index = index;
521         ctl->private_value = value;
522         if ((err = snd_ctl_add(chip->card, ctl)) < 0)
523                 return err;
524         return 0;
525 }
526 
527 /*
528  * SB 2.0 specific mixer elements
529  */
530 
531 static struct sbmix_elem snd_sb20_ctl_master_play_vol =
532         SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7);
533 static struct sbmix_elem snd_sb20_ctl_pcm_play_vol =
534         SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3);
535 static struct sbmix_elem snd_sb20_ctl_synth_play_vol =
536         SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7);
537 static struct sbmix_elem snd_sb20_ctl_cd_play_vol =
538         SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7);
539 
540 static struct sbmix_elem *snd_sb20_controls[] = {
541         &snd_sb20_ctl_master_play_vol,
542         &snd_sb20_ctl_pcm_play_vol,
543         &snd_sb20_ctl_synth_play_vol,
544         &snd_sb20_ctl_cd_play_vol
545 };
546 
547 static unsigned char snd_sb20_init_values[][2] = {
548         { SB_DSP20_MASTER_DEV, 0 },
549         { SB_DSP20_FM_DEV, 0 },
550 };
551 
552 /*
553  * SB Pro specific mixer elements
554  */
555 static struct sbmix_elem snd_sbpro_ctl_master_play_vol =
556         SB_DOUBLE("Master Playback Volume", SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7);
557 static struct sbmix_elem snd_sbpro_ctl_pcm_play_vol =
558         SB_DOUBLE("PCM Playback Volume", SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7);
559 static struct sbmix_elem snd_sbpro_ctl_pcm_play_filter =
560         SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1);
561 static struct sbmix_elem snd_sbpro_ctl_synth_play_vol =
562         SB_DOUBLE("Synth Playback Volume", SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7);
563 static struct sbmix_elem snd_sbpro_ctl_cd_play_vol =
564         SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7);
565 static struct sbmix_elem snd_sbpro_ctl_line_play_vol =
566         SB_DOUBLE("Line Playback Volume", SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7);
567 static struct sbmix_elem snd_sbpro_ctl_mic_play_vol =
568         SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3);
569 static struct sbmix_elem snd_sbpro_ctl_capture_source =
570         {
571                 .name = "Capture Source",
572                 .type = SB_MIX_CAPTURE_PRO
573         };
574 static struct sbmix_elem snd_sbpro_ctl_capture_filter =
575         SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1);
576 static struct sbmix_elem snd_sbpro_ctl_capture_low_filter =
577         SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1);
578 
579 static struct sbmix_elem *snd_sbpro_controls[] = {
580         &snd_sbpro_ctl_master_play_vol,
581         &snd_sbpro_ctl_pcm_play_vol,
582         &snd_sbpro_ctl_pcm_play_filter,
583         &snd_sbpro_ctl_synth_play_vol,
584         &snd_sbpro_ctl_cd_play_vol,
585         &snd_sbpro_ctl_line_play_vol,
586         &snd_sbpro_ctl_mic_play_vol,
587         &snd_sbpro_ctl_capture_source,
588         &snd_sbpro_ctl_capture_filter,
589         &snd_sbpro_ctl_capture_low_filter
590 };
591 
592 static unsigned char snd_sbpro_init_values[][2] = {
593         { SB_DSP_MASTER_DEV, 0 },
594         { SB_DSP_PCM_DEV, 0 },
595         { SB_DSP_FM_DEV, 0 },
596 };
597 
598 /*
599  * SB16 specific mixer elements
600  */
601 static struct sbmix_elem snd_sb16_ctl_master_play_vol =
602         SB_DOUBLE("Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31);
603 static struct sbmix_elem snd_sb16_ctl_3d_enhance_switch =
604         SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1);
605 static struct sbmix_elem snd_sb16_ctl_tone_bass =
606         SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15);
607 static struct sbmix_elem snd_sb16_ctl_tone_treble =
608         SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15);
609 static struct sbmix_elem snd_sb16_ctl_pcm_play_vol =
610         SB_DOUBLE("PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31);
611 static struct sbmix_elem snd_sb16_ctl_synth_capture_route =
612         SB16_INPUT_SW("Synth Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5);
613 static struct sbmix_elem snd_sb16_ctl_synth_play_vol =
614         SB_DOUBLE("Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31);
615 static struct sbmix_elem snd_sb16_ctl_cd_capture_route =
616         SB16_INPUT_SW("CD Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1);
617 static struct sbmix_elem snd_sb16_ctl_cd_play_switch =
618         SB_DOUBLE("CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1);
619 static struct sbmix_elem snd_sb16_ctl_cd_play_vol =
620         SB_DOUBLE("CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31);
621 static struct sbmix_elem snd_sb16_ctl_line_capture_route =
622         SB16_INPUT_SW("Line Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3);
623 static struct sbmix_elem snd_sb16_ctl_line_play_switch =
624         SB_DOUBLE("Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1);
625 static struct sbmix_elem snd_sb16_ctl_line_play_vol =
626         SB_DOUBLE("Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31);
627 static struct sbmix_elem snd_sb16_ctl_mic_capture_route =
628         SB16_INPUT_SW("Mic Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0);
629 static struct sbmix_elem snd_sb16_ctl_mic_play_switch =
630         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1);
631 static struct sbmix_elem snd_sb16_ctl_mic_play_vol =
632         SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31);
633 static struct sbmix_elem snd_sb16_ctl_pc_speaker_vol =
634         SB_SINGLE("PC Speaker Volume", SB_DSP4_SPEAKER_DEV, 6, 3);
635 static struct sbmix_elem snd_sb16_ctl_capture_vol =
636         SB_DOUBLE("Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3);
637 static struct sbmix_elem snd_sb16_ctl_play_vol =
638         SB_DOUBLE("Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3);
639 static struct sbmix_elem snd_sb16_ctl_auto_mic_gain =
640         SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1);
641 
642 static struct sbmix_elem *snd_sb16_controls[] = {
643         &snd_sb16_ctl_master_play_vol,
644         &snd_sb16_ctl_3d_enhance_switch,
645         &snd_sb16_ctl_tone_bass,
646         &snd_sb16_ctl_tone_treble,
647         &snd_sb16_ctl_pcm_play_vol,
648         &snd_sb16_ctl_synth_capture_route,
649         &snd_sb16_ctl_synth_play_vol,
650         &snd_sb16_ctl_cd_capture_route,
651         &snd_sb16_ctl_cd_play_switch,
652         &snd_sb16_ctl_cd_play_vol,
653         &snd_sb16_ctl_line_capture_route,
654         &snd_sb16_ctl_line_play_switch,
655         &snd_sb16_ctl_line_play_vol,
656         &snd_sb16_ctl_mic_capture_route,
657         &snd_sb16_ctl_mic_play_switch,
658         &snd_sb16_ctl_mic_play_vol,
659         &snd_sb16_ctl_pc_speaker_vol,
660         &snd_sb16_ctl_capture_vol,
661         &snd_sb16_ctl_play_vol,
662         &snd_sb16_ctl_auto_mic_gain
663 };
664 
665 static unsigned char snd_sb16_init_values[][2] = {
666         { SB_DSP4_MASTER_DEV + 0, 0 },
667         { SB_DSP4_MASTER_DEV + 1, 0 },
668         { SB_DSP4_PCM_DEV + 0, 0 },
669         { SB_DSP4_PCM_DEV + 1, 0 },
670         { SB_DSP4_SYNTH_DEV + 0, 0 },
671         { SB_DSP4_SYNTH_DEV + 1, 0 },
672         { SB_DSP4_INPUT_LEFT, 0 },
673         { SB_DSP4_INPUT_RIGHT, 0 },
674         { SB_DSP4_OUTPUT_SW, 0 },
675         { SB_DSP4_SPEAKER_DEV, 0 },
676 };
677 
678 /*
679  * DT019x specific mixer elements
680  */
681 static struct sbmix_elem snd_dt019x_ctl_master_play_vol =
682         SB_DOUBLE("Master Playback Volume", SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4,0, 15);
683 static struct sbmix_elem snd_dt019x_ctl_pcm_play_vol =
684         SB_DOUBLE("PCM Playback Volume", SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4,0, 15);
685 static struct sbmix_elem snd_dt019x_ctl_synth_play_vol =
686         SB_DOUBLE("Synth Playback Volume", SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4,0, 15);
687 static struct sbmix_elem snd_dt019x_ctl_cd_play_vol =
688         SB_DOUBLE("CD Playback Volume", SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4,0, 15);
689 static struct sbmix_elem snd_dt019x_ctl_mic_play_vol =
690         SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7);
691 static struct sbmix_elem snd_dt019x_ctl_pc_speaker_vol =
692         SB_SINGLE("PC Speaker Volume", SB_DT019X_SPKR_DEV, 0,  7);
693 static struct sbmix_elem snd_dt019x_ctl_line_play_vol =
694         SB_DOUBLE("Line Playback Volume", SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4,0, 15);
695 static struct sbmix_elem snd_dt019x_ctl_pcm_play_switch =
696         SB_DOUBLE("PCM Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2,1, 1);
697 static struct sbmix_elem snd_dt019x_ctl_synth_play_switch =
698         SB_DOUBLE("Synth Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4,3, 1);
699 static struct sbmix_elem snd_dt019x_ctl_capture_source =
700         {
701                 .name = "Capture Source",
702                 .type = SB_MIX_CAPTURE_DT019X
703         };
704 
705 static struct sbmix_elem *snd_dt019x_controls[] = {
706         /* ALS4000 below has some parts which we might be lacking,
707          * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
708         &snd_dt019x_ctl_master_play_vol,
709         &snd_dt019x_ctl_pcm_play_vol,
710         &snd_dt019x_ctl_synth_play_vol,
711         &snd_dt019x_ctl_cd_play_vol,
712         &snd_dt019x_ctl_mic_play_vol,
713         &snd_dt019x_ctl_pc_speaker_vol,
714         &snd_dt019x_ctl_line_play_vol,
715         &snd_sb16_ctl_mic_play_switch,
716         &snd_sb16_ctl_cd_play_switch,
717         &snd_sb16_ctl_line_play_switch,
718         &snd_dt019x_ctl_pcm_play_switch,
719         &snd_dt019x_ctl_synth_play_switch,
720         &snd_dt019x_ctl_capture_source
721 };
722 
723 static unsigned char snd_dt019x_init_values[][2] = {
724         { SB_DT019X_MASTER_DEV, 0 },
725         { SB_DT019X_PCM_DEV, 0 },
726         { SB_DT019X_SYNTH_DEV, 0 },
727         { SB_DT019X_CD_DEV, 0 },
728         { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
729         { SB_DT019X_LINE_DEV, 0 },
730         { SB_DSP4_OUTPUT_SW, 0 },
731         { SB_DT019X_OUTPUT_SW2, 0 },
732         { SB_DT019X_CAPTURE_SW, 0x06 },
733 };
734 
735 /*
736  * ALS4000 specific mixer elements
737  */
738 static struct sbmix_elem snd_als4000_ctl_master_mono_playback_switch =
739         SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1);
740 static struct sbmix_elem snd_als4k_ctl_master_mono_capture_route = {
741                 .name = "Master Mono Capture Route",
742                 .type = SB_MIX_MONO_CAPTURE_ALS4K
743         };
744 static struct sbmix_elem snd_als4000_ctl_mono_playback_switch =
745         SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1);
746 static struct sbmix_elem snd_als4000_ctl_mic_20db_boost =
747         SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03);
748 static struct sbmix_elem snd_als4000_ctl_mixer_analog_loopback =
749         SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01);
750 static struct sbmix_elem snd_als4000_ctl_mixer_digital_loopback =
751         SB_SINGLE("Digital Loopback Switch",
752                   SB_ALS4000_CR3_CONFIGURATION, 7, 0x01);
753 /* FIXME: functionality of 3D controls might be swapped, I didn't find
754  * a description of how to identify what is supposed to be what */
755 static struct sbmix_elem snd_als4000_3d_control_switch =
756         SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01);
757 static struct sbmix_elem snd_als4000_3d_control_ratio =
758         SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07);
759 static struct sbmix_elem snd_als4000_3d_control_freq =
760         /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
761         SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03);
762 static struct sbmix_elem snd_als4000_3d_control_delay =
763         /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
764          * but what ALSA 3D attribute is that actually? "Center", "Depth",
765          * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
766         SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f);
767 static struct sbmix_elem snd_als4000_3d_control_poweroff_switch =
768         SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01);
769 static struct sbmix_elem snd_als4000_ctl_3db_freq_control_switch =
770         SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
771                   SB_ALS4000_FMDAC, 5, 0x01);
772 #ifdef NOT_AVAILABLE
773 static struct sbmix_elem snd_als4000_ctl_fmdac =
774         SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01);
775 static struct sbmix_elem snd_als4000_ctl_qsound =
776         SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f);
777 #endif
778 
779 static struct sbmix_elem *snd_als4000_controls[] = {
780                                                 /* ALS4000a.PDF regs page */
781         &snd_sb16_ctl_master_play_vol,          /* MX30/31 12 */
782         &snd_dt019x_ctl_pcm_play_switch,        /* MX4C    16 */
783         &snd_sb16_ctl_pcm_play_vol,             /* MX32/33 12 */
784         &snd_sb16_ctl_synth_capture_route,      /* MX3D/3E 14 */
785         &snd_dt019x_ctl_synth_play_switch,      /* MX4C    16 */
786         &snd_sb16_ctl_synth_play_vol,           /* MX34/35 12/13 */
787         &snd_sb16_ctl_cd_capture_route,         /* MX3D/3E 14 */
788         &snd_sb16_ctl_cd_play_switch,           /* MX3C    14 */
789         &snd_sb16_ctl_cd_play_vol,              /* MX36/37 13 */
790         &snd_sb16_ctl_line_capture_route,       /* MX3D/3E 14 */
791         &snd_sb16_ctl_line_play_switch,         /* MX3C    14 */
792         &snd_sb16_ctl_line_play_vol,            /* MX38/39 13 */
793         &snd_sb16_ctl_mic_capture_route,        /* MX3D/3E 14 */
794         &snd_als4000_ctl_mic_20db_boost,        /* MX4D    16 */
795         &snd_sb16_ctl_mic_play_switch,          /* MX3C    14 */
796         &snd_sb16_ctl_mic_play_vol,             /* MX3A    13 */
797         &snd_sb16_ctl_pc_speaker_vol,           /* MX3B    14 */
798         &snd_sb16_ctl_capture_vol,              /* MX3F/40 15 */
799         &snd_sb16_ctl_play_vol,                 /* MX41/42 15 */
800         &snd_als4000_ctl_master_mono_playback_switch, /* MX4C 16 */
801         &snd_als4k_ctl_master_mono_capture_route, /* MX4B  16 */
802         &snd_als4000_ctl_mono_playback_switch,  /* MX4C    16 */
803         &snd_als4000_ctl_mixer_analog_loopback, /* MX4D    16 */
804         &snd_als4000_ctl_mixer_digital_loopback, /* CR3    21 */
805         &snd_als4000_3d_control_switch,          /* MX50   17 */
806         &snd_als4000_3d_control_ratio,           /* MX50   17 */
807         &snd_als4000_3d_control_freq,            /* MX50   17 */
808         &snd_als4000_3d_control_delay,           /* MX51   18 */
809         &snd_als4000_3d_control_poweroff_switch,        /* MX51    18 */
810         &snd_als4000_ctl_3db_freq_control_switch,       /* MX4F    17 */
811 #ifdef NOT_AVAILABLE
812         &snd_als4000_ctl_fmdac,
813         &snd_als4000_ctl_qsound,
814 #endif
815 };
816 
817 static unsigned char snd_als4000_init_values[][2] = {
818         { SB_DSP4_MASTER_DEV + 0, 0 },
819         { SB_DSP4_MASTER_DEV + 1, 0 },
820         { SB_DSP4_PCM_DEV + 0, 0 },
821         { SB_DSP4_PCM_DEV + 1, 0 },
822         { SB_DSP4_SYNTH_DEV + 0, 0 },
823         { SB_DSP4_SYNTH_DEV + 1, 0 },
824         { SB_DSP4_SPEAKER_DEV, 0 },
825         { SB_DSP4_OUTPUT_SW, 0 },
826         { SB_DSP4_INPUT_LEFT, 0 },
827         { SB_DSP4_INPUT_RIGHT, 0 },
828         { SB_DT019X_OUTPUT_SW2, 0 },
829         { SB_ALS4000_MIC_IN_GAIN, 0 },
830 };
831 
832 
833 /*
834  */
835 static int snd_sbmixer_init(struct snd_sb *chip,
836                             struct sbmix_elem **controls,
837                             int controls_count,
838                             unsigned char map[][2],
839                             int map_count,
840                             char *name)
841 {
842         unsigned long flags;
843         struct snd_card *card = chip->card;
844         int idx, err;
845 
846         /* mixer reset */
847         spin_lock_irqsave(&chip->mixer_lock, flags);
848         snd_sbmixer_write(chip, 0x00, 0x00);
849         spin_unlock_irqrestore(&chip->mixer_lock, flags);
850 
851         /* mute and zero volume channels */
852         for (idx = 0; idx < map_count; idx++) {
853                 spin_lock_irqsave(&chip->mixer_lock, flags);
854                 snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
855                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
856         }
857 
858         for (idx = 0; idx < controls_count; idx++) {
859                 if ((err = snd_sbmixer_add_ctl_elem(chip, controls[idx])) < 0)
860                         return err;
861         }
862         snd_component_add(card, name);
863         strcpy(card->mixername, name);
864         return 0;
865 }
866 
867 int snd_sbmixer_new(struct snd_sb *chip)
868 {
869         struct snd_card *card;
870         int err;
871 
872         if (snd_BUG_ON(!chip || !chip->card))
873                 return -EINVAL;
874 
875         card = chip->card;
876 
877         switch (chip->hardware) {
878         case SB_HW_10:
879                 return 0; /* no mixer chip on SB1.x */
880         case SB_HW_20:
881         case SB_HW_201:
882                 if ((err = snd_sbmixer_init(chip,
883                                             snd_sb20_controls,
884                                             ARRAY_SIZE(snd_sb20_controls),
885                                             snd_sb20_init_values,
886                                             ARRAY_SIZE(snd_sb20_init_values),
887                                             "CTL1335")) < 0)
888                         return err;
889                 break;
890         case SB_HW_PRO:
891                 if ((err = snd_sbmixer_init(chip,
892                                             snd_sbpro_controls,
893                                             ARRAY_SIZE(snd_sbpro_controls),
894                                             snd_sbpro_init_values,
895                                             ARRAY_SIZE(snd_sbpro_init_values),
896                                             "CTL1345")) < 0)
897                         return err;
898                 break;
899         case SB_HW_16:
900         case SB_HW_ALS100:
901         case SB_HW_CS5530:
902                 if ((err = snd_sbmixer_init(chip,
903                                             snd_sb16_controls,
904                                             ARRAY_SIZE(snd_sb16_controls),
905                                             snd_sb16_init_values,
906                                             ARRAY_SIZE(snd_sb16_init_values),
907                                             "CTL1745")) < 0)
908                         return err;
909                 break;
910         case SB_HW_ALS4000:
911                 if ((err = snd_sbmixer_init(chip,
912                                             snd_als4000_controls,
913                                             ARRAY_SIZE(snd_als4000_controls),
914                                             snd_als4000_init_values,
915                                             ARRAY_SIZE(snd_als4000_init_values),
916                                             "ALS4000")) < 0)
917                         return err;
918                 break;
919         case SB_HW_DT019X:
920                 if ((err = snd_sbmixer_init(chip,
921                                             snd_dt019x_controls,
922                                             ARRAY_SIZE(snd_dt019x_controls),
923                                             snd_dt019x_init_values,
924                                             ARRAY_SIZE(snd_dt019x_init_values),
925                                             "DT019X")) < 0)
926                 break;
927         default:
928                 strcpy(card->mixername, "???");
929         }
930         return 0;
931 }
932 
933 #ifdef CONFIG_PM
934 static unsigned char sb20_saved_regs[] = {
935         SB_DSP20_MASTER_DEV,
936         SB_DSP20_PCM_DEV,
937         SB_DSP20_FM_DEV,
938         SB_DSP20_CD_DEV,
939 };
940 
941 static unsigned char sbpro_saved_regs[] = {
942         SB_DSP_MASTER_DEV,
943         SB_DSP_PCM_DEV,
944         SB_DSP_PLAYBACK_FILT,
945         SB_DSP_FM_DEV,
946         SB_DSP_CD_DEV,
947         SB_DSP_LINE_DEV,
948         SB_DSP_MIC_DEV,
949         SB_DSP_CAPTURE_SOURCE,
950         SB_DSP_CAPTURE_FILT,
951 };
952 
953 static unsigned char sb16_saved_regs[] = {
954         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
955         SB_DSP4_3DSE,
956         SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
957         SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
958         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
959         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
960         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
961         SB_DSP4_OUTPUT_SW,
962         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
963         SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
964         SB_DSP4_MIC_DEV,
965         SB_DSP4_SPEAKER_DEV,
966         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
967         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
968         SB_DSP4_MIC_AGC
969 };
970 
971 static unsigned char dt019x_saved_regs[] = {
972         SB_DT019X_MASTER_DEV,
973         SB_DT019X_PCM_DEV,
974         SB_DT019X_SYNTH_DEV,
975         SB_DT019X_CD_DEV,
976         SB_DT019X_MIC_DEV,
977         SB_DT019X_SPKR_DEV,
978         SB_DT019X_LINE_DEV,
979         SB_DSP4_OUTPUT_SW,
980         SB_DT019X_OUTPUT_SW2,
981         SB_DT019X_CAPTURE_SW,
982 };
983 
984 static unsigned char als4000_saved_regs[] = {
985         /* please verify in dsheet whether regs to be added
986            are actually real H/W or just dummy */
987         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
988         SB_DSP4_OUTPUT_SW,
989         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
990         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
991         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
992         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
993         SB_DSP4_MIC_DEV,
994         SB_DSP4_SPEAKER_DEV,
995         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
996         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
997         SB_DT019X_OUTPUT_SW2,
998         SB_ALS4000_MONO_IO_CTRL,
999         SB_ALS4000_MIC_IN_GAIN,
1000         SB_ALS4000_FMDAC,
1001         SB_ALS4000_3D_SND_FX,
1002         SB_ALS4000_3D_TIME_DELAY,
1003         SB_ALS4000_CR3_CONFIGURATION,
1004 };
1005 
1006 static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
1007 {
1008         unsigned char *val = chip->saved_regs;
1009         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
1010                 return;
1011         for (; num_regs; num_regs--)
1012                 *val++ = snd_sbmixer_read(chip, *regs++);
1013 }
1014 
1015 static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
1016 {
1017         unsigned char *val = chip->saved_regs;
1018         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
1019                 return;
1020         for (; num_regs; num_regs--)
1021                 snd_sbmixer_write(chip, *regs++, *val++);
1022 }
1023 
1024 void snd_sbmixer_suspend(struct snd_sb *chip)
1025 {
1026         switch (chip->hardware) {
1027         case SB_HW_20:
1028         case SB_HW_201:
1029                 save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
1030                 break;
1031         case SB_HW_PRO:
1032                 save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
1033                 break;
1034         case SB_HW_16:
1035         case SB_HW_ALS100:
1036         case SB_HW_CS5530:
1037                 save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
1038                 break;
1039         case SB_HW_ALS4000:
1040                 save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
1041                 break;
1042         case SB_HW_DT019X:
1043                 save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
1044                 break;
1045         default:
1046                 break;
1047         }
1048 }
1049 
1050 void snd_sbmixer_resume(struct snd_sb *chip)
1051 {
1052         switch (chip->hardware) {
1053         case SB_HW_20:
1054         case SB_HW_201:
1055                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
1056                 break;
1057         case SB_HW_PRO:
1058                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
1059                 break;
1060         case SB_HW_16:
1061         case SB_HW_ALS100:
1062         case SB_HW_CS5530:
1063                 restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
1064                 break;
1065         case SB_HW_ALS4000:
1066                 restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
1067                 break;
1068         case SB_HW_DT019X:
1069                 restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
1070                 break;
1071         default:
1072                 break;
1073         }
1074 }
1075 #endif
1076 

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