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

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
  4  *  Routines for Sound Blaster mixer control
  5  */
  6 
  7 #include <linux/io.h>
  8 #include <linux/delay.h>
  9 #include <linux/time.h>
 10 #include <sound/core.h>
 11 #include <sound/sb.h>
 12 #include <sound/control.h>
 13 
 14 #undef IO_DEBUG
 15 
 16 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
 17 {
 18         outb(reg, SBP(chip, MIXER_ADDR));
 19         udelay(10);
 20         outb(data, SBP(chip, MIXER_DATA));
 21         udelay(10);
 22 #ifdef IO_DEBUG
 23         snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
 24 #endif
 25 }
 26 
 27 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
 28 {
 29         unsigned char result;
 30 
 31         outb(reg, SBP(chip, MIXER_ADDR));
 32         udelay(10);
 33         result = inb(SBP(chip, MIXER_DATA));
 34         udelay(10);
 35 #ifdef IO_DEBUG
 36         snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
 37 #endif
 38         return result;
 39 }
 40 
 41 /*
 42  * Single channel mixer element
 43  */
 44 
 45 static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 46 {
 47         int mask = (kcontrol->private_value >> 24) & 0xff;
 48 
 49         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 50         uinfo->count = 1;
 51         uinfo->value.integer.min = 0;
 52         uinfo->value.integer.max = mask;
 53         return 0;
 54 }
 55 
 56 static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 57 {
 58         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 59         unsigned long flags;
 60         int reg = kcontrol->private_value & 0xff;
 61         int shift = (kcontrol->private_value >> 16) & 0xff;
 62         int mask = (kcontrol->private_value >> 24) & 0xff;
 63         unsigned char val;
 64 
 65         spin_lock_irqsave(&sb->mixer_lock, flags);
 66         val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
 67         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 68         ucontrol->value.integer.value[0] = val;
 69         return 0;
 70 }
 71 
 72 static int snd_sbmixer_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 73 {
 74         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
 75         unsigned long flags;
 76         int reg = kcontrol->private_value & 0xff;
 77         int shift = (kcontrol->private_value >> 16) & 0x07;
 78         int mask = (kcontrol->private_value >> 24) & 0xff;
 79         int change;
 80         unsigned char val, oval;
 81 
 82         val = (ucontrol->value.integer.value[0] & mask) << shift;
 83         spin_lock_irqsave(&sb->mixer_lock, flags);
 84         oval = snd_sbmixer_read(sb, reg);
 85         val = (oval & ~(mask << shift)) | val;
 86         change = val != oval;
 87         if (change)
 88                 snd_sbmixer_write(sb, reg, val);
 89         spin_unlock_irqrestore(&sb->mixer_lock, flags);
 90         return change;
 91 }
 92 
 93 /*
 94  * Double channel mixer element
 95  */
 96 
 97 static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 98 {
 99         int mask = (kcontrol->private_value >> 24) & 0xff;
100 
101         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
102         uinfo->count = 2;
103         uinfo->value.integer.min = 0;
104         uinfo->value.integer.max = mask;
105         return 0;
106 }
107 
108 static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
109 {
110         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
111         unsigned long flags;
112         int left_reg = kcontrol->private_value & 0xff;
113         int right_reg = (kcontrol->private_value >> 8) & 0xff;
114         int left_shift = (kcontrol->private_value >> 16) & 0x07;
115         int right_shift = (kcontrol->private_value >> 19) & 0x07;
116         int mask = (kcontrol->private_value >> 24) & 0xff;
117         unsigned char left, right;
118 
119         spin_lock_irqsave(&sb->mixer_lock, flags);
120         left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
121         right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
122         spin_unlock_irqrestore(&sb->mixer_lock, flags);
123         ucontrol->value.integer.value[0] = left;
124         ucontrol->value.integer.value[1] = right;
125         return 0;
126 }
127 
128 static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
129 {
130         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
131         unsigned long flags;
132         int left_reg = kcontrol->private_value & 0xff;
133         int right_reg = (kcontrol->private_value >> 8) & 0xff;
134         int left_shift = (kcontrol->private_value >> 16) & 0x07;
135         int right_shift = (kcontrol->private_value >> 19) & 0x07;
136         int mask = (kcontrol->private_value >> 24) & 0xff;
137         int change;
138         unsigned char left, right, oleft, oright;
139 
140         left = (ucontrol->value.integer.value[0] & mask) << left_shift;
141         right = (ucontrol->value.integer.value[1] & mask) << right_shift;
142         spin_lock_irqsave(&sb->mixer_lock, flags);
143         if (left_reg == right_reg) {
144                 oleft = snd_sbmixer_read(sb, left_reg);
145                 left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
146                 change = left != oleft;
147                 if (change)
148                         snd_sbmixer_write(sb, left_reg, left);
149         } else {
150                 oleft = snd_sbmixer_read(sb, left_reg);
151                 oright = snd_sbmixer_read(sb, right_reg);
152                 left = (oleft & ~(mask << left_shift)) | left;
153                 right = (oright & ~(mask << right_shift)) | right;
154                 change = left != oleft || right != oright;
155                 if (change) {
156                         snd_sbmixer_write(sb, left_reg, left);
157                         snd_sbmixer_write(sb, right_reg, right);
158                 }
159         }
160         spin_unlock_irqrestore(&sb->mixer_lock, flags);
161         return change;
162 }
163 
164 /*
165  * DT-019x / ALS-007 capture/input switch
166  */
167 
168 static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
169 {
170         static const char * const texts[5] = {
171                 "CD", "Mic", "Line", "Synth", "Master"
172         };
173 
174         return snd_ctl_enum_info(uinfo, 1, 5, texts);
175 }
176 
177 static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
178 {
179         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
180         unsigned long flags;
181         unsigned char oval;
182         
183         spin_lock_irqsave(&sb->mixer_lock, flags);
184         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
185         spin_unlock_irqrestore(&sb->mixer_lock, flags);
186         switch (oval & 0x07) {
187         case SB_DT019X_CAP_CD:
188                 ucontrol->value.enumerated.item[0] = 0;
189                 break;
190         case SB_DT019X_CAP_MIC:
191                 ucontrol->value.enumerated.item[0] = 1;
192                 break;
193         case SB_DT019X_CAP_LINE:
194                 ucontrol->value.enumerated.item[0] = 2;
195                 break;
196         case SB_DT019X_CAP_MAIN:
197                 ucontrol->value.enumerated.item[0] = 4;
198                 break;
199         /* To record the synth on these cards you must record the main.   */
200         /* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
201         /* duplicate case labels if left uncommented. */
202         /* case SB_DT019X_CAP_SYNTH:
203          *      ucontrol->value.enumerated.item[0] = 3;
204          *      break;
205          */
206         default:
207                 ucontrol->value.enumerated.item[0] = 4;
208                 break;
209         }
210         return 0;
211 }
212 
213 static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
214 {
215         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
216         unsigned long flags;
217         int change;
218         unsigned char nval, oval;
219         
220         if (ucontrol->value.enumerated.item[0] > 4)
221                 return -EINVAL;
222         switch (ucontrol->value.enumerated.item[0]) {
223         case 0:
224                 nval = SB_DT019X_CAP_CD;
225                 break;
226         case 1:
227                 nval = SB_DT019X_CAP_MIC;
228                 break;
229         case 2:
230                 nval = SB_DT019X_CAP_LINE;
231                 break;
232         case 3:
233                 nval = SB_DT019X_CAP_SYNTH;
234                 break;
235         case 4:
236                 nval = SB_DT019X_CAP_MAIN;
237                 break;
238         default:
239                 nval = SB_DT019X_CAP_MAIN;
240         }
241         spin_lock_irqsave(&sb->mixer_lock, flags);
242         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
243         change = nval != oval;
244         if (change)
245                 snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
246         spin_unlock_irqrestore(&sb->mixer_lock, flags);
247         return change;
248 }
249 
250 /*
251  * ALS4000 mono recording control switch
252  */
253 
254 static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
255                                              struct snd_ctl_elem_info *uinfo)
256 {
257         static const char * const texts[3] = {
258                 "L chan only", "R chan only", "L ch/2 + R ch/2"
259         };
260 
261         return snd_ctl_enum_info(uinfo, 1, 3, texts);
262 }
263 
264 static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
265                                 struct snd_ctl_elem_value *ucontrol)
266 {
267         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
268         unsigned long flags;
269         unsigned char oval;
270 
271         spin_lock_irqsave(&sb->mixer_lock, flags);
272         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
273         spin_unlock_irqrestore(&sb->mixer_lock, flags);
274         oval >>= 6;
275         if (oval > 2)
276                 oval = 2;
277 
278         ucontrol->value.enumerated.item[0] = oval;
279         return 0;
280 }
281 
282 static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
283                                 struct snd_ctl_elem_value *ucontrol)
284 {
285         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
286         unsigned long flags;
287         int change;
288         unsigned char nval, oval;
289 
290         if (ucontrol->value.enumerated.item[0] > 2)
291                 return -EINVAL;
292         spin_lock_irqsave(&sb->mixer_lock, flags);
293         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
294 
295         nval = (oval & ~(3 << 6))
296              | (ucontrol->value.enumerated.item[0] << 6);
297         change = nval != oval;
298         if (change)
299                 snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
300         spin_unlock_irqrestore(&sb->mixer_lock, flags);
301         return change;
302 }
303 
304 /*
305  * SBPRO input multiplexer
306  */
307 
308 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
309 {
310         static const char * const texts[3] = {
311                 "Mic", "CD", "Line"
312         };
313 
314         return snd_ctl_enum_info(uinfo, 1, 3, texts);
315 }
316 
317 
318 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
319 {
320         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
321         unsigned long flags;
322         unsigned char oval;
323         
324         spin_lock_irqsave(&sb->mixer_lock, flags);
325         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
326         spin_unlock_irqrestore(&sb->mixer_lock, flags);
327         switch ((oval >> 0x01) & 0x03) {
328         case SB_DSP_MIXS_CD:
329                 ucontrol->value.enumerated.item[0] = 1;
330                 break;
331         case SB_DSP_MIXS_LINE:
332                 ucontrol->value.enumerated.item[0] = 2;
333                 break;
334         default:
335                 ucontrol->value.enumerated.item[0] = 0;
336                 break;
337         }
338         return 0;
339 }
340 
341 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
342 {
343         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
344         unsigned long flags;
345         int change;
346         unsigned char nval, oval;
347         
348         if (ucontrol->value.enumerated.item[0] > 2)
349                 return -EINVAL;
350         switch (ucontrol->value.enumerated.item[0]) {
351         case 1:
352                 nval = SB_DSP_MIXS_CD;
353                 break;
354         case 2:
355                 nval = SB_DSP_MIXS_LINE;
356                 break;
357         default:
358                 nval = SB_DSP_MIXS_MIC;
359         }
360         nval <<= 1;
361         spin_lock_irqsave(&sb->mixer_lock, flags);
362         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
363         nval |= oval & ~0x06;
364         change = nval != oval;
365         if (change)
366                 snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
367         spin_unlock_irqrestore(&sb->mixer_lock, flags);
368         return change;
369 }
370 
371 /*
372  * SB16 input switch
373  */
374 
375 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
376 {
377         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
378         uinfo->count = 4;
379         uinfo->value.integer.min = 0;
380         uinfo->value.integer.max = 1;
381         return 0;
382 }
383 
384 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
385 {
386         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
387         unsigned long flags;
388         int reg1 = kcontrol->private_value & 0xff;
389         int reg2 = (kcontrol->private_value >> 8) & 0xff;
390         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
391         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
392         unsigned char val1, val2;
393 
394         spin_lock_irqsave(&sb->mixer_lock, flags);
395         val1 = snd_sbmixer_read(sb, reg1);
396         val2 = snd_sbmixer_read(sb, reg2);
397         spin_unlock_irqrestore(&sb->mixer_lock, flags);
398         ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
399         ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
400         ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
401         ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
402         return 0;
403 }                                                                                                                   
404 
405 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
406 {
407         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
408         unsigned long flags;
409         int reg1 = kcontrol->private_value & 0xff;
410         int reg2 = (kcontrol->private_value >> 8) & 0xff;
411         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
412         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
413         int change;
414         unsigned char val1, val2, oval1, oval2;
415 
416         spin_lock_irqsave(&sb->mixer_lock, flags);
417         oval1 = snd_sbmixer_read(sb, reg1);
418         oval2 = snd_sbmixer_read(sb, reg2);
419         val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
420         val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
421         val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
422         val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
423         val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
424         val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
425         change = val1 != oval1 || val2 != oval2;
426         if (change) {
427                 snd_sbmixer_write(sb, reg1, val1);
428                 snd_sbmixer_write(sb, reg2, val2);
429         }
430         spin_unlock_irqrestore(&sb->mixer_lock, flags);
431         return change;
432 }
433 
434 
435 /*
436  */
437 /*
438  */
439 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
440 {
441         static struct snd_kcontrol_new newctls[] = {
442                 [SB_MIX_SINGLE] = {
443                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
444                         .info = snd_sbmixer_info_single,
445                         .get = snd_sbmixer_get_single,
446                         .put = snd_sbmixer_put_single,
447                 },
448                 [SB_MIX_DOUBLE] = {
449                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
450                         .info = snd_sbmixer_info_double,
451                         .get = snd_sbmixer_get_double,
452                         .put = snd_sbmixer_put_double,
453                 },
454                 [SB_MIX_INPUT_SW] = {
455                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
456                         .info = snd_sb16mixer_info_input_sw,
457                         .get = snd_sb16mixer_get_input_sw,
458                         .put = snd_sb16mixer_put_input_sw,
459                 },
460                 [SB_MIX_CAPTURE_PRO] = {
461                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
462                         .info = snd_sb8mixer_info_mux,
463                         .get = snd_sb8mixer_get_mux,
464                         .put = snd_sb8mixer_put_mux,
465                 },
466                 [SB_MIX_CAPTURE_DT019X] = {
467                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
468                         .info = snd_dt019x_input_sw_info,
469                         .get = snd_dt019x_input_sw_get,
470                         .put = snd_dt019x_input_sw_put,
471                 },
472                 [SB_MIX_MONO_CAPTURE_ALS4K] = {
473                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
474                         .info = snd_als4k_mono_capture_route_info,
475                         .get = snd_als4k_mono_capture_route_get,
476                         .put = snd_als4k_mono_capture_route_put,
477                 },
478         };
479         struct snd_kcontrol *ctl;
480         int err;
481 
482         ctl = snd_ctl_new1(&newctls[type], chip);
483         if (! ctl)
484                 return -ENOMEM;
485         strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
486         ctl->id.index = index;
487         ctl->private_value = value;
488         if ((err = snd_ctl_add(chip->card, ctl)) < 0)
489                 return err;
490         return 0;
491 }
492 
493 /*
494  * SB 2.0 specific mixer elements
495  */
496 
497 static struct sbmix_elem snd_sb20_controls[] = {
498         SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
499         SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
500         SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
501         SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
502 };
503 
504 static unsigned char snd_sb20_init_values[][2] = {
505         { SB_DSP20_MASTER_DEV, 0 },
506         { SB_DSP20_FM_DEV, 0 },
507 };
508 
509 /*
510  * SB Pro specific mixer elements
511  */
512 static struct sbmix_elem snd_sbpro_controls[] = {
513         SB_DOUBLE("Master Playback Volume",
514                   SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
515         SB_DOUBLE("PCM Playback Volume",
516                   SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
517         SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
518         SB_DOUBLE("Synth Playback Volume",
519                   SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
520         SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
521         SB_DOUBLE("Line Playback Volume",
522                   SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
523         SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
524         {
525                 .name = "Capture Source",
526                 .type = SB_MIX_CAPTURE_PRO
527         },
528         SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
529         SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
530 };
531 
532 static unsigned char snd_sbpro_init_values[][2] = {
533         { SB_DSP_MASTER_DEV, 0 },
534         { SB_DSP_PCM_DEV, 0 },
535         { SB_DSP_FM_DEV, 0 },
536 };
537 
538 /*
539  * SB16 specific mixer elements
540  */
541 static struct sbmix_elem snd_sb16_controls[] = {
542         SB_DOUBLE("Master Playback Volume",
543                   SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
544         SB_DOUBLE("PCM Playback Volume",
545                   SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
546         SB16_INPUT_SW("Synth Capture Route",
547                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
548         SB_DOUBLE("Synth Playback Volume",
549                   SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
550         SB16_INPUT_SW("CD Capture Route",
551                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
552         SB_DOUBLE("CD Playback Switch",
553                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
554         SB_DOUBLE("CD Playback Volume",
555                   SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
556         SB16_INPUT_SW("Mic Capture Route",
557                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
558         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
559         SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
560         SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
561         SB_DOUBLE("Capture Volume",
562                   SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
563         SB_DOUBLE("Playback Volume",
564                   SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
565         SB16_INPUT_SW("Line Capture Route",
566                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
567         SB_DOUBLE("Line Playback Switch",
568                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
569         SB_DOUBLE("Line Playback Volume",
570                   SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
571         SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
572         SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
573         SB_DOUBLE("Tone Control - Bass",
574                   SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
575         SB_DOUBLE("Tone Control - Treble",
576                   SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
577 };
578 
579 static unsigned char snd_sb16_init_values[][2] = {
580         { SB_DSP4_MASTER_DEV + 0, 0 },
581         { SB_DSP4_MASTER_DEV + 1, 0 },
582         { SB_DSP4_PCM_DEV + 0, 0 },
583         { SB_DSP4_PCM_DEV + 1, 0 },
584         { SB_DSP4_SYNTH_DEV + 0, 0 },
585         { SB_DSP4_SYNTH_DEV + 1, 0 },
586         { SB_DSP4_INPUT_LEFT, 0 },
587         { SB_DSP4_INPUT_RIGHT, 0 },
588         { SB_DSP4_OUTPUT_SW, 0 },
589         { SB_DSP4_SPEAKER_DEV, 0 },
590 };
591 
592 /*
593  * DT019x specific mixer elements
594  */
595 static struct sbmix_elem snd_dt019x_controls[] = {
596         /* ALS4000 below has some parts which we might be lacking,
597          * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
598         SB_DOUBLE("Master Playback Volume",
599                   SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
600         SB_DOUBLE("PCM Playback Switch",
601                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
602         SB_DOUBLE("PCM Playback Volume",
603                   SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
604         SB_DOUBLE("Synth Playback Switch",
605                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
606         SB_DOUBLE("Synth Playback Volume",
607                   SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
608         SB_DOUBLE("CD Playback Switch",
609                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
610         SB_DOUBLE("CD Playback Volume",
611                   SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
612         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
613         SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
614         SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
615         SB_DOUBLE("Line Playback Switch",
616                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
617         SB_DOUBLE("Line Playback Volume",
618                   SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
619         {
620                 .name = "Capture Source",
621                 .type = SB_MIX_CAPTURE_DT019X
622         }
623 };
624 
625 static unsigned char snd_dt019x_init_values[][2] = {
626         { SB_DT019X_MASTER_DEV, 0 },
627         { SB_DT019X_PCM_DEV, 0 },
628         { SB_DT019X_SYNTH_DEV, 0 },
629         { SB_DT019X_CD_DEV, 0 },
630         { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
631         { SB_DT019X_LINE_DEV, 0 },
632         { SB_DSP4_OUTPUT_SW, 0 },
633         { SB_DT019X_OUTPUT_SW2, 0 },
634         { SB_DT019X_CAPTURE_SW, 0x06 },
635 };
636 
637 /*
638  * ALS4000 specific mixer elements
639  */
640 static struct sbmix_elem snd_als4000_controls[] = {
641         SB_DOUBLE("PCM Playback Switch",
642                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
643         SB_DOUBLE("Synth Playback Switch",
644                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
645         SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
646         SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
647         {
648                 .name = "Master Mono Capture Route",
649                 .type = SB_MIX_MONO_CAPTURE_ALS4K
650         },
651         SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
652         SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
653         SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
654         SB_SINGLE("Digital Loopback Switch",
655                   SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
656         /* FIXME: functionality of 3D controls might be swapped, I didn't find
657          * a description of how to identify what is supposed to be what */
658         SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
659         /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
660         SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
661         /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
662          * but what ALSA 3D attribute is that actually? "Center", "Depth",
663          * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
664         SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
665         SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
666         SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
667                   SB_ALS4000_FMDAC, 5, 0x01),
668 #ifdef NOT_AVAILABLE
669         SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
670         SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
671 #endif
672 };
673 
674 static unsigned char snd_als4000_init_values[][2] = {
675         { SB_DSP4_MASTER_DEV + 0, 0 },
676         { SB_DSP4_MASTER_DEV + 1, 0 },
677         { SB_DSP4_PCM_DEV + 0, 0 },
678         { SB_DSP4_PCM_DEV + 1, 0 },
679         { SB_DSP4_SYNTH_DEV + 0, 0 },
680         { SB_DSP4_SYNTH_DEV + 1, 0 },
681         { SB_DSP4_SPEAKER_DEV, 0 },
682         { SB_DSP4_OUTPUT_SW, 0 },
683         { SB_DSP4_INPUT_LEFT, 0 },
684         { SB_DSP4_INPUT_RIGHT, 0 },
685         { SB_DT019X_OUTPUT_SW2, 0 },
686         { SB_ALS4000_MIC_IN_GAIN, 0 },
687 };
688 
689 /*
690  */
691 static int snd_sbmixer_init(struct snd_sb *chip,
692                             struct sbmix_elem *controls,
693                             int controls_count,
694                             unsigned char map[][2],
695                             int map_count,
696                             char *name)
697 {
698         unsigned long flags;
699         struct snd_card *card = chip->card;
700         int idx, err;
701 
702         /* mixer reset */
703         spin_lock_irqsave(&chip->mixer_lock, flags);
704         snd_sbmixer_write(chip, 0x00, 0x00);
705         spin_unlock_irqrestore(&chip->mixer_lock, flags);
706 
707         /* mute and zero volume channels */
708         for (idx = 0; idx < map_count; idx++) {
709                 spin_lock_irqsave(&chip->mixer_lock, flags);
710                 snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
711                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
712         }
713 
714         for (idx = 0; idx < controls_count; idx++) {
715                 err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
716                 if (err < 0)
717                         return err;
718         }
719         snd_component_add(card, name);
720         strcpy(card->mixername, name);
721         return 0;
722 }
723 
724 int snd_sbmixer_new(struct snd_sb *chip)
725 {
726         struct snd_card *card;
727         int err;
728 
729         if (snd_BUG_ON(!chip || !chip->card))
730                 return -EINVAL;
731 
732         card = chip->card;
733 
734         switch (chip->hardware) {
735         case SB_HW_10:
736                 return 0; /* no mixer chip on SB1.x */
737         case SB_HW_20:
738         case SB_HW_201:
739                 if ((err = snd_sbmixer_init(chip,
740                                             snd_sb20_controls,
741                                             ARRAY_SIZE(snd_sb20_controls),
742                                             snd_sb20_init_values,
743                                             ARRAY_SIZE(snd_sb20_init_values),
744                                             "CTL1335")) < 0)
745                         return err;
746                 break;
747         case SB_HW_PRO:
748         case SB_HW_JAZZ16:
749                 if ((err = snd_sbmixer_init(chip,
750                                             snd_sbpro_controls,
751                                             ARRAY_SIZE(snd_sbpro_controls),
752                                             snd_sbpro_init_values,
753                                             ARRAY_SIZE(snd_sbpro_init_values),
754                                             "CTL1345")) < 0)
755                         return err;
756                 break;
757         case SB_HW_16:
758         case SB_HW_ALS100:
759         case SB_HW_CS5530:
760                 if ((err = snd_sbmixer_init(chip,
761                                             snd_sb16_controls,
762                                             ARRAY_SIZE(snd_sb16_controls),
763                                             snd_sb16_init_values,
764                                             ARRAY_SIZE(snd_sb16_init_values),
765                                             "CTL1745")) < 0)
766                         return err;
767                 break;
768         case SB_HW_ALS4000:
769                 /* use only the first 16 controls from SB16 */
770                 err = snd_sbmixer_init(chip,
771                                         snd_sb16_controls,
772                                         16,
773                                         snd_sb16_init_values,
774                                         ARRAY_SIZE(snd_sb16_init_values),
775                                         "ALS4000");
776                 if (err < 0)
777                         return err;
778                 if ((err = snd_sbmixer_init(chip,
779                                             snd_als4000_controls,
780                                             ARRAY_SIZE(snd_als4000_controls),
781                                             snd_als4000_init_values,
782                                             ARRAY_SIZE(snd_als4000_init_values),
783                                             "ALS4000")) < 0)
784                         return err;
785                 break;
786         case SB_HW_DT019X:
787                 err = snd_sbmixer_init(chip,
788                                        snd_dt019x_controls,
789                                        ARRAY_SIZE(snd_dt019x_controls),
790                                        snd_dt019x_init_values,
791                                        ARRAY_SIZE(snd_dt019x_init_values),
792                                        "DT019X");
793                 if (err < 0)
794                         return err;
795                 break;
796         default:
797                 strcpy(card->mixername, "???");
798         }
799         return 0;
800 }
801 
802 #ifdef CONFIG_PM
803 static unsigned char sb20_saved_regs[] = {
804         SB_DSP20_MASTER_DEV,
805         SB_DSP20_PCM_DEV,
806         SB_DSP20_FM_DEV,
807         SB_DSP20_CD_DEV,
808 };
809 
810 static unsigned char sbpro_saved_regs[] = {
811         SB_DSP_MASTER_DEV,
812         SB_DSP_PCM_DEV,
813         SB_DSP_PLAYBACK_FILT,
814         SB_DSP_FM_DEV,
815         SB_DSP_CD_DEV,
816         SB_DSP_LINE_DEV,
817         SB_DSP_MIC_DEV,
818         SB_DSP_CAPTURE_SOURCE,
819         SB_DSP_CAPTURE_FILT,
820 };
821 
822 static unsigned char sb16_saved_regs[] = {
823         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
824         SB_DSP4_3DSE,
825         SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
826         SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
827         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
828         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
829         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
830         SB_DSP4_OUTPUT_SW,
831         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
832         SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
833         SB_DSP4_MIC_DEV,
834         SB_DSP4_SPEAKER_DEV,
835         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
836         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
837         SB_DSP4_MIC_AGC
838 };
839 
840 static unsigned char dt019x_saved_regs[] = {
841         SB_DT019X_MASTER_DEV,
842         SB_DT019X_PCM_DEV,
843         SB_DT019X_SYNTH_DEV,
844         SB_DT019X_CD_DEV,
845         SB_DT019X_MIC_DEV,
846         SB_DT019X_SPKR_DEV,
847         SB_DT019X_LINE_DEV,
848         SB_DSP4_OUTPUT_SW,
849         SB_DT019X_OUTPUT_SW2,
850         SB_DT019X_CAPTURE_SW,
851 };
852 
853 static unsigned char als4000_saved_regs[] = {
854         /* please verify in dsheet whether regs to be added
855            are actually real H/W or just dummy */
856         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
857         SB_DSP4_OUTPUT_SW,
858         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
859         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
860         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
861         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
862         SB_DSP4_MIC_DEV,
863         SB_DSP4_SPEAKER_DEV,
864         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
865         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
866         SB_DT019X_OUTPUT_SW2,
867         SB_ALS4000_MONO_IO_CTRL,
868         SB_ALS4000_MIC_IN_GAIN,
869         SB_ALS4000_FMDAC,
870         SB_ALS4000_3D_SND_FX,
871         SB_ALS4000_3D_TIME_DELAY,
872         SB_ALS4000_CR3_CONFIGURATION,
873 };
874 
875 static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
876 {
877         unsigned char *val = chip->saved_regs;
878         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
879                 return;
880         for (; num_regs; num_regs--)
881                 *val++ = snd_sbmixer_read(chip, *regs++);
882 }
883 
884 static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
885 {
886         unsigned char *val = chip->saved_regs;
887         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
888                 return;
889         for (; num_regs; num_regs--)
890                 snd_sbmixer_write(chip, *regs++, *val++);
891 }
892 
893 void snd_sbmixer_suspend(struct snd_sb *chip)
894 {
895         switch (chip->hardware) {
896         case SB_HW_20:
897         case SB_HW_201:
898                 save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
899                 break;
900         case SB_HW_PRO:
901         case SB_HW_JAZZ16:
902                 save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
903                 break;
904         case SB_HW_16:
905         case SB_HW_ALS100:
906         case SB_HW_CS5530:
907                 save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
908                 break;
909         case SB_HW_ALS4000:
910                 save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
911                 break;
912         case SB_HW_DT019X:
913                 save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
914                 break;
915         default:
916                 break;
917         }
918 }
919 
920 void snd_sbmixer_resume(struct snd_sb *chip)
921 {
922         switch (chip->hardware) {
923         case SB_HW_20:
924         case SB_HW_201:
925                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
926                 break;
927         case SB_HW_PRO:
928         case SB_HW_JAZZ16:
929                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
930                 break;
931         case SB_HW_16:
932         case SB_HW_ALS100:
933         case SB_HW_CS5530:
934                 restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
935                 break;
936         case SB_HW_ALS4000:
937                 restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
938                 break;
939         case SB_HW_DT019X:
940                 restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
941                 break;
942         default:
943                 break;
944         }
945 }
946 #endif
947 

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