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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 <linux/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 * const texts[5] = {
186                 "CD", "Mic", "Line", "Synth", "Master"
187         };
188 
189         return snd_ctl_enum_info(uinfo, 1, 5, texts);
190 }
191 
192 static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
193 {
194         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
195         unsigned long flags;
196         unsigned char oval;
197         
198         spin_lock_irqsave(&sb->mixer_lock, flags);
199         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
200         spin_unlock_irqrestore(&sb->mixer_lock, flags);
201         switch (oval & 0x07) {
202         case SB_DT019X_CAP_CD:
203                 ucontrol->value.enumerated.item[0] = 0;
204                 break;
205         case SB_DT019X_CAP_MIC:
206                 ucontrol->value.enumerated.item[0] = 1;
207                 break;
208         case SB_DT019X_CAP_LINE:
209                 ucontrol->value.enumerated.item[0] = 2;
210                 break;
211         case SB_DT019X_CAP_MAIN:
212                 ucontrol->value.enumerated.item[0] = 4;
213                 break;
214         /* To record the synth on these cards you must record the main.   */
215         /* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
216         /* duplicate case labels if left uncommented. */
217         /* case SB_DT019X_CAP_SYNTH:
218          *      ucontrol->value.enumerated.item[0] = 3;
219          *      break;
220          */
221         default:
222                 ucontrol->value.enumerated.item[0] = 4;
223                 break;
224         }
225         return 0;
226 }
227 
228 static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
229 {
230         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
231         unsigned long flags;
232         int change;
233         unsigned char nval, oval;
234         
235         if (ucontrol->value.enumerated.item[0] > 4)
236                 return -EINVAL;
237         switch (ucontrol->value.enumerated.item[0]) {
238         case 0:
239                 nval = SB_DT019X_CAP_CD;
240                 break;
241         case 1:
242                 nval = SB_DT019X_CAP_MIC;
243                 break;
244         case 2:
245                 nval = SB_DT019X_CAP_LINE;
246                 break;
247         case 3:
248                 nval = SB_DT019X_CAP_SYNTH;
249                 break;
250         case 4:
251                 nval = SB_DT019X_CAP_MAIN;
252                 break;
253         default:
254                 nval = SB_DT019X_CAP_MAIN;
255         }
256         spin_lock_irqsave(&sb->mixer_lock, flags);
257         oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
258         change = nval != oval;
259         if (change)
260                 snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
261         spin_unlock_irqrestore(&sb->mixer_lock, flags);
262         return change;
263 }
264 
265 /*
266  * ALS4000 mono recording control switch
267  */
268 
269 static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
270                                              struct snd_ctl_elem_info *uinfo)
271 {
272         static const char * const texts[3] = {
273                 "L chan only", "R chan only", "L ch/2 + R ch/2"
274         };
275 
276         return snd_ctl_enum_info(uinfo, 1, 3, texts);
277 }
278 
279 static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
280                                 struct snd_ctl_elem_value *ucontrol)
281 {
282         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
283         unsigned long flags;
284         unsigned char oval;
285 
286         spin_lock_irqsave(&sb->mixer_lock, flags);
287         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
288         spin_unlock_irqrestore(&sb->mixer_lock, flags);
289         oval >>= 6;
290         if (oval > 2)
291                 oval = 2;
292 
293         ucontrol->value.enumerated.item[0] = oval;
294         return 0;
295 }
296 
297 static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
298                                 struct snd_ctl_elem_value *ucontrol)
299 {
300         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
301         unsigned long flags;
302         int change;
303         unsigned char nval, oval;
304 
305         if (ucontrol->value.enumerated.item[0] > 2)
306                 return -EINVAL;
307         spin_lock_irqsave(&sb->mixer_lock, flags);
308         oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
309 
310         nval = (oval & ~(3 << 6))
311              | (ucontrol->value.enumerated.item[0] << 6);
312         change = nval != oval;
313         if (change)
314                 snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
315         spin_unlock_irqrestore(&sb->mixer_lock, flags);
316         return change;
317 }
318 
319 /*
320  * SBPRO input multiplexer
321  */
322 
323 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
324 {
325         static const char * const texts[3] = {
326                 "Mic", "CD", "Line"
327         };
328 
329         return snd_ctl_enum_info(uinfo, 1, 3, texts);
330 }
331 
332 
333 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
334 {
335         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
336         unsigned long flags;
337         unsigned char oval;
338         
339         spin_lock_irqsave(&sb->mixer_lock, flags);
340         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
341         spin_unlock_irqrestore(&sb->mixer_lock, flags);
342         switch ((oval >> 0x01) & 0x03) {
343         case SB_DSP_MIXS_CD:
344                 ucontrol->value.enumerated.item[0] = 1;
345                 break;
346         case SB_DSP_MIXS_LINE:
347                 ucontrol->value.enumerated.item[0] = 2;
348                 break;
349         default:
350                 ucontrol->value.enumerated.item[0] = 0;
351                 break;
352         }
353         return 0;
354 }
355 
356 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
357 {
358         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
359         unsigned long flags;
360         int change;
361         unsigned char nval, oval;
362         
363         if (ucontrol->value.enumerated.item[0] > 2)
364                 return -EINVAL;
365         switch (ucontrol->value.enumerated.item[0]) {
366         case 1:
367                 nval = SB_DSP_MIXS_CD;
368                 break;
369         case 2:
370                 nval = SB_DSP_MIXS_LINE;
371                 break;
372         default:
373                 nval = SB_DSP_MIXS_MIC;
374         }
375         nval <<= 1;
376         spin_lock_irqsave(&sb->mixer_lock, flags);
377         oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
378         nval |= oval & ~0x06;
379         change = nval != oval;
380         if (change)
381                 snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
382         spin_unlock_irqrestore(&sb->mixer_lock, flags);
383         return change;
384 }
385 
386 /*
387  * SB16 input switch
388  */
389 
390 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
391 {
392         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
393         uinfo->count = 4;
394         uinfo->value.integer.min = 0;
395         uinfo->value.integer.max = 1;
396         return 0;
397 }
398 
399 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
400 {
401         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
402         unsigned long flags;
403         int reg1 = kcontrol->private_value & 0xff;
404         int reg2 = (kcontrol->private_value >> 8) & 0xff;
405         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
406         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
407         unsigned char val1, val2;
408 
409         spin_lock_irqsave(&sb->mixer_lock, flags);
410         val1 = snd_sbmixer_read(sb, reg1);
411         val2 = snd_sbmixer_read(sb, reg2);
412         spin_unlock_irqrestore(&sb->mixer_lock, flags);
413         ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
414         ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
415         ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
416         ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
417         return 0;
418 }                                                                                                                   
419 
420 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
421 {
422         struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
423         unsigned long flags;
424         int reg1 = kcontrol->private_value & 0xff;
425         int reg2 = (kcontrol->private_value >> 8) & 0xff;
426         int left_shift = (kcontrol->private_value >> 16) & 0x0f;
427         int right_shift = (kcontrol->private_value >> 24) & 0x0f;
428         int change;
429         unsigned char val1, val2, oval1, oval2;
430 
431         spin_lock_irqsave(&sb->mixer_lock, flags);
432         oval1 = snd_sbmixer_read(sb, reg1);
433         oval2 = snd_sbmixer_read(sb, reg2);
434         val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
435         val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
436         val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
437         val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
438         val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
439         val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
440         change = val1 != oval1 || val2 != oval2;
441         if (change) {
442                 snd_sbmixer_write(sb, reg1, val1);
443                 snd_sbmixer_write(sb, reg2, val2);
444         }
445         spin_unlock_irqrestore(&sb->mixer_lock, flags);
446         return change;
447 }
448 
449 
450 /*
451  */
452 /*
453  */
454 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
455 {
456         static struct snd_kcontrol_new newctls[] = {
457                 [SB_MIX_SINGLE] = {
458                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
459                         .info = snd_sbmixer_info_single,
460                         .get = snd_sbmixer_get_single,
461                         .put = snd_sbmixer_put_single,
462                 },
463                 [SB_MIX_DOUBLE] = {
464                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
465                         .info = snd_sbmixer_info_double,
466                         .get = snd_sbmixer_get_double,
467                         .put = snd_sbmixer_put_double,
468                 },
469                 [SB_MIX_INPUT_SW] = {
470                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
471                         .info = snd_sb16mixer_info_input_sw,
472                         .get = snd_sb16mixer_get_input_sw,
473                         .put = snd_sb16mixer_put_input_sw,
474                 },
475                 [SB_MIX_CAPTURE_PRO] = {
476                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
477                         .info = snd_sb8mixer_info_mux,
478                         .get = snd_sb8mixer_get_mux,
479                         .put = snd_sb8mixer_put_mux,
480                 },
481                 [SB_MIX_CAPTURE_DT019X] = {
482                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
483                         .info = snd_dt019x_input_sw_info,
484                         .get = snd_dt019x_input_sw_get,
485                         .put = snd_dt019x_input_sw_put,
486                 },
487                 [SB_MIX_MONO_CAPTURE_ALS4K] = {
488                         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
489                         .info = snd_als4k_mono_capture_route_info,
490                         .get = snd_als4k_mono_capture_route_get,
491                         .put = snd_als4k_mono_capture_route_put,
492                 },
493         };
494         struct snd_kcontrol *ctl;
495         int err;
496 
497         ctl = snd_ctl_new1(&newctls[type], chip);
498         if (! ctl)
499                 return -ENOMEM;
500         strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
501         ctl->id.index = index;
502         ctl->private_value = value;
503         if ((err = snd_ctl_add(chip->card, ctl)) < 0)
504                 return err;
505         return 0;
506 }
507 
508 /*
509  * SB 2.0 specific mixer elements
510  */
511 
512 static struct sbmix_elem snd_sb20_controls[] = {
513         SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
514         SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
515         SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
516         SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
517 };
518 
519 static unsigned char snd_sb20_init_values[][2] = {
520         { SB_DSP20_MASTER_DEV, 0 },
521         { SB_DSP20_FM_DEV, 0 },
522 };
523 
524 /*
525  * SB Pro specific mixer elements
526  */
527 static struct sbmix_elem snd_sbpro_controls[] = {
528         SB_DOUBLE("Master Playback Volume",
529                   SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
530         SB_DOUBLE("PCM Playback Volume",
531                   SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
532         SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
533         SB_DOUBLE("Synth Playback Volume",
534                   SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
535         SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
536         SB_DOUBLE("Line Playback Volume",
537                   SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
538         SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
539         {
540                 .name = "Capture Source",
541                 .type = SB_MIX_CAPTURE_PRO
542         },
543         SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
544         SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
545 };
546 
547 static unsigned char snd_sbpro_init_values[][2] = {
548         { SB_DSP_MASTER_DEV, 0 },
549         { SB_DSP_PCM_DEV, 0 },
550         { SB_DSP_FM_DEV, 0 },
551 };
552 
553 /*
554  * SB16 specific mixer elements
555  */
556 static struct sbmix_elem snd_sb16_controls[] = {
557         SB_DOUBLE("Master Playback Volume",
558                   SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
559         SB_DOUBLE("PCM Playback Volume",
560                   SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
561         SB16_INPUT_SW("Synth Capture Route",
562                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
563         SB_DOUBLE("Synth Playback Volume",
564                   SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
565         SB16_INPUT_SW("CD Capture Route",
566                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
567         SB_DOUBLE("CD Playback Switch",
568                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
569         SB_DOUBLE("CD Playback Volume",
570                   SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
571         SB16_INPUT_SW("Mic Capture Route",
572                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
573         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
574         SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
575         SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
576         SB_DOUBLE("Capture Volume",
577                   SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
578         SB_DOUBLE("Playback Volume",
579                   SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
580         SB16_INPUT_SW("Line Capture Route",
581                       SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
582         SB_DOUBLE("Line Playback Switch",
583                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
584         SB_DOUBLE("Line Playback Volume",
585                   SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
586         SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
587         SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
588         SB_DOUBLE("Tone Control - Bass",
589                   SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
590         SB_DOUBLE("Tone Control - Treble",
591                   SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
592 };
593 
594 static unsigned char snd_sb16_init_values[][2] = {
595         { SB_DSP4_MASTER_DEV + 0, 0 },
596         { SB_DSP4_MASTER_DEV + 1, 0 },
597         { SB_DSP4_PCM_DEV + 0, 0 },
598         { SB_DSP4_PCM_DEV + 1, 0 },
599         { SB_DSP4_SYNTH_DEV + 0, 0 },
600         { SB_DSP4_SYNTH_DEV + 1, 0 },
601         { SB_DSP4_INPUT_LEFT, 0 },
602         { SB_DSP4_INPUT_RIGHT, 0 },
603         { SB_DSP4_OUTPUT_SW, 0 },
604         { SB_DSP4_SPEAKER_DEV, 0 },
605 };
606 
607 /*
608  * DT019x specific mixer elements
609  */
610 static struct sbmix_elem snd_dt019x_controls[] = {
611         /* ALS4000 below has some parts which we might be lacking,
612          * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
613         SB_DOUBLE("Master Playback Volume",
614                   SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
615         SB_DOUBLE("PCM Playback Switch",
616                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
617         SB_DOUBLE("PCM Playback Volume",
618                   SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
619         SB_DOUBLE("Synth Playback Switch",
620                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
621         SB_DOUBLE("Synth Playback Volume",
622                   SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
623         SB_DOUBLE("CD Playback Switch",
624                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
625         SB_DOUBLE("CD Playback Volume",
626                   SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
627         SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
628         SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
629         SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
630         SB_DOUBLE("Line Playback Switch",
631                   SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
632         SB_DOUBLE("Line Playback Volume",
633                   SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
634         {
635                 .name = "Capture Source",
636                 .type = SB_MIX_CAPTURE_DT019X
637         }
638 };
639 
640 static unsigned char snd_dt019x_init_values[][2] = {
641         { SB_DT019X_MASTER_DEV, 0 },
642         { SB_DT019X_PCM_DEV, 0 },
643         { SB_DT019X_SYNTH_DEV, 0 },
644         { SB_DT019X_CD_DEV, 0 },
645         { SB_DT019X_MIC_DEV, 0 },       /* Includes PC-speaker in high nibble */
646         { SB_DT019X_LINE_DEV, 0 },
647         { SB_DSP4_OUTPUT_SW, 0 },
648         { SB_DT019X_OUTPUT_SW2, 0 },
649         { SB_DT019X_CAPTURE_SW, 0x06 },
650 };
651 
652 /*
653  * ALS4000 specific mixer elements
654  */
655 static struct sbmix_elem snd_als4000_controls[] = {
656         SB_DOUBLE("PCM Playback Switch",
657                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
658         SB_DOUBLE("Synth Playback Switch",
659                   SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
660         SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
661         SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
662         {
663                 .name = "Master Mono Capture Route",
664                 .type = SB_MIX_MONO_CAPTURE_ALS4K
665         },
666         SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
667         SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
668         SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
669         SB_SINGLE("Digital Loopback Switch",
670                   SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
671         /* FIXME: functionality of 3D controls might be swapped, I didn't find
672          * a description of how to identify what is supposed to be what */
673         SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
674         /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
675         SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
676         /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
677          * but what ALSA 3D attribute is that actually? "Center", "Depth",
678          * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
679         SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
680         SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
681         SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
682                   SB_ALS4000_FMDAC, 5, 0x01),
683 #ifdef NOT_AVAILABLE
684         SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
685         SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
686 #endif
687 };
688 
689 static unsigned char snd_als4000_init_values[][2] = {
690         { SB_DSP4_MASTER_DEV + 0, 0 },
691         { SB_DSP4_MASTER_DEV + 1, 0 },
692         { SB_DSP4_PCM_DEV + 0, 0 },
693         { SB_DSP4_PCM_DEV + 1, 0 },
694         { SB_DSP4_SYNTH_DEV + 0, 0 },
695         { SB_DSP4_SYNTH_DEV + 1, 0 },
696         { SB_DSP4_SPEAKER_DEV, 0 },
697         { SB_DSP4_OUTPUT_SW, 0 },
698         { SB_DSP4_INPUT_LEFT, 0 },
699         { SB_DSP4_INPUT_RIGHT, 0 },
700         { SB_DT019X_OUTPUT_SW2, 0 },
701         { SB_ALS4000_MIC_IN_GAIN, 0 },
702 };
703 
704 /*
705  */
706 static int snd_sbmixer_init(struct snd_sb *chip,
707                             struct sbmix_elem *controls,
708                             int controls_count,
709                             unsigned char map[][2],
710                             int map_count,
711                             char *name)
712 {
713         unsigned long flags;
714         struct snd_card *card = chip->card;
715         int idx, err;
716 
717         /* mixer reset */
718         spin_lock_irqsave(&chip->mixer_lock, flags);
719         snd_sbmixer_write(chip, 0x00, 0x00);
720         spin_unlock_irqrestore(&chip->mixer_lock, flags);
721 
722         /* mute and zero volume channels */
723         for (idx = 0; idx < map_count; idx++) {
724                 spin_lock_irqsave(&chip->mixer_lock, flags);
725                 snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
726                 spin_unlock_irqrestore(&chip->mixer_lock, flags);
727         }
728 
729         for (idx = 0; idx < controls_count; idx++) {
730                 err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
731                 if (err < 0)
732                         return err;
733         }
734         snd_component_add(card, name);
735         strcpy(card->mixername, name);
736         return 0;
737 }
738 
739 int snd_sbmixer_new(struct snd_sb *chip)
740 {
741         struct snd_card *card;
742         int err;
743 
744         if (snd_BUG_ON(!chip || !chip->card))
745                 return -EINVAL;
746 
747         card = chip->card;
748 
749         switch (chip->hardware) {
750         case SB_HW_10:
751                 return 0; /* no mixer chip on SB1.x */
752         case SB_HW_20:
753         case SB_HW_201:
754                 if ((err = snd_sbmixer_init(chip,
755                                             snd_sb20_controls,
756                                             ARRAY_SIZE(snd_sb20_controls),
757                                             snd_sb20_init_values,
758                                             ARRAY_SIZE(snd_sb20_init_values),
759                                             "CTL1335")) < 0)
760                         return err;
761                 break;
762         case SB_HW_PRO:
763         case SB_HW_JAZZ16:
764                 if ((err = snd_sbmixer_init(chip,
765                                             snd_sbpro_controls,
766                                             ARRAY_SIZE(snd_sbpro_controls),
767                                             snd_sbpro_init_values,
768                                             ARRAY_SIZE(snd_sbpro_init_values),
769                                             "CTL1345")) < 0)
770                         return err;
771                 break;
772         case SB_HW_16:
773         case SB_HW_ALS100:
774         case SB_HW_CS5530:
775                 if ((err = snd_sbmixer_init(chip,
776                                             snd_sb16_controls,
777                                             ARRAY_SIZE(snd_sb16_controls),
778                                             snd_sb16_init_values,
779                                             ARRAY_SIZE(snd_sb16_init_values),
780                                             "CTL1745")) < 0)
781                         return err;
782                 break;
783         case SB_HW_ALS4000:
784                 /* use only the first 16 controls from SB16 */
785                 err = snd_sbmixer_init(chip,
786                                         snd_sb16_controls,
787                                         16,
788                                         snd_sb16_init_values,
789                                         ARRAY_SIZE(snd_sb16_init_values),
790                                         "ALS4000");
791                 if (err < 0)
792                         return err;
793                 if ((err = snd_sbmixer_init(chip,
794                                             snd_als4000_controls,
795                                             ARRAY_SIZE(snd_als4000_controls),
796                                             snd_als4000_init_values,
797                                             ARRAY_SIZE(snd_als4000_init_values),
798                                             "ALS4000")) < 0)
799                         return err;
800                 break;
801         case SB_HW_DT019X:
802                 err = snd_sbmixer_init(chip,
803                                        snd_dt019x_controls,
804                                        ARRAY_SIZE(snd_dt019x_controls),
805                                        snd_dt019x_init_values,
806                                        ARRAY_SIZE(snd_dt019x_init_values),
807                                        "DT019X");
808                 if (err < 0)
809                         return err;
810                 break;
811         default:
812                 strcpy(card->mixername, "???");
813         }
814         return 0;
815 }
816 
817 #ifdef CONFIG_PM
818 static unsigned char sb20_saved_regs[] = {
819         SB_DSP20_MASTER_DEV,
820         SB_DSP20_PCM_DEV,
821         SB_DSP20_FM_DEV,
822         SB_DSP20_CD_DEV,
823 };
824 
825 static unsigned char sbpro_saved_regs[] = {
826         SB_DSP_MASTER_DEV,
827         SB_DSP_PCM_DEV,
828         SB_DSP_PLAYBACK_FILT,
829         SB_DSP_FM_DEV,
830         SB_DSP_CD_DEV,
831         SB_DSP_LINE_DEV,
832         SB_DSP_MIC_DEV,
833         SB_DSP_CAPTURE_SOURCE,
834         SB_DSP_CAPTURE_FILT,
835 };
836 
837 static unsigned char sb16_saved_regs[] = {
838         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
839         SB_DSP4_3DSE,
840         SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
841         SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
842         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
843         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
844         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
845         SB_DSP4_OUTPUT_SW,
846         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
847         SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
848         SB_DSP4_MIC_DEV,
849         SB_DSP4_SPEAKER_DEV,
850         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
851         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
852         SB_DSP4_MIC_AGC
853 };
854 
855 static unsigned char dt019x_saved_regs[] = {
856         SB_DT019X_MASTER_DEV,
857         SB_DT019X_PCM_DEV,
858         SB_DT019X_SYNTH_DEV,
859         SB_DT019X_CD_DEV,
860         SB_DT019X_MIC_DEV,
861         SB_DT019X_SPKR_DEV,
862         SB_DT019X_LINE_DEV,
863         SB_DSP4_OUTPUT_SW,
864         SB_DT019X_OUTPUT_SW2,
865         SB_DT019X_CAPTURE_SW,
866 };
867 
868 static unsigned char als4000_saved_regs[] = {
869         /* please verify in dsheet whether regs to be added
870            are actually real H/W or just dummy */
871         SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
872         SB_DSP4_OUTPUT_SW,
873         SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
874         SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
875         SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
876         SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
877         SB_DSP4_MIC_DEV,
878         SB_DSP4_SPEAKER_DEV,
879         SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
880         SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
881         SB_DT019X_OUTPUT_SW2,
882         SB_ALS4000_MONO_IO_CTRL,
883         SB_ALS4000_MIC_IN_GAIN,
884         SB_ALS4000_FMDAC,
885         SB_ALS4000_3D_SND_FX,
886         SB_ALS4000_3D_TIME_DELAY,
887         SB_ALS4000_CR3_CONFIGURATION,
888 };
889 
890 static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
891 {
892         unsigned char *val = chip->saved_regs;
893         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
894                 return;
895         for (; num_regs; num_regs--)
896                 *val++ = snd_sbmixer_read(chip, *regs++);
897 }
898 
899 static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
900 {
901         unsigned char *val = chip->saved_regs;
902         if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
903                 return;
904         for (; num_regs; num_regs--)
905                 snd_sbmixer_write(chip, *regs++, *val++);
906 }
907 
908 void snd_sbmixer_suspend(struct snd_sb *chip)
909 {
910         switch (chip->hardware) {
911         case SB_HW_20:
912         case SB_HW_201:
913                 save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
914                 break;
915         case SB_HW_PRO:
916         case SB_HW_JAZZ16:
917                 save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
918                 break;
919         case SB_HW_16:
920         case SB_HW_ALS100:
921         case SB_HW_CS5530:
922                 save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
923                 break;
924         case SB_HW_ALS4000:
925                 save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
926                 break;
927         case SB_HW_DT019X:
928                 save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
929                 break;
930         default:
931                 break;
932         }
933 }
934 
935 void snd_sbmixer_resume(struct snd_sb *chip)
936 {
937         switch (chip->hardware) {
938         case SB_HW_20:
939         case SB_HW_201:
940                 restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
941                 break;
942         case SB_HW_PRO:
943         case SB_HW_JAZZ16:
944                 restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
945                 break;
946         case SB_HW_16:
947         case SB_HW_ALS100:
948         case SB_HW_CS5530:
949                 restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
950                 break;
951         case SB_HW_ALS4000:
952                 restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
953                 break;
954         case SB_HW_DT019X:
955                 restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
956                 break;
957         default:
958                 break;
959         }
960 }
961 #endif
962 

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