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sb_mixer.c
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1 /*
2  * Copyright (c) by Jaroslav Kysela <[email protected]>
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_controls[] = {
532  SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
533  SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
534  SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
535  SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
536 };
537 
538 static unsigned char snd_sb20_init_values[][2] = {
539  { SB_DSP20_MASTER_DEV, 0 },
540  { SB_DSP20_FM_DEV, 0 },
541 };
542 
543 /*
544  * SB Pro specific mixer elements
545  */
546 static struct sbmix_elem snd_sbpro_controls[] = {
547  SB_DOUBLE("Master Playback Volume",
548  SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
549  SB_DOUBLE("PCM Playback Volume",
550  SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
551  SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
552  SB_DOUBLE("Synth Playback Volume",
553  SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
554  SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
555  SB_DOUBLE("Line Playback Volume",
556  SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
557  SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
558  {
559  .name = "Capture Source",
560  .type = SB_MIX_CAPTURE_PRO
561  },
562  SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
563  SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
564 };
565 
566 static unsigned char snd_sbpro_init_values[][2] = {
567  { SB_DSP_MASTER_DEV, 0 },
568  { SB_DSP_PCM_DEV, 0 },
569  { SB_DSP_FM_DEV, 0 },
570 };
571 
572 /*
573  * SB16 specific mixer elements
574  */
575 static struct sbmix_elem snd_sb16_controls[] = {
576  SB_DOUBLE("Master Playback Volume",
577  SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
578  SB_DOUBLE("PCM Playback Volume",
579  SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
580  SB16_INPUT_SW("Synth Capture Route",
581  SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
582  SB_DOUBLE("Synth Playback Volume",
583  SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
584  SB16_INPUT_SW("CD Capture Route",
585  SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
586  SB_DOUBLE("CD Playback Switch",
587  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
588  SB_DOUBLE("CD Playback Volume",
589  SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
590  SB16_INPUT_SW("Mic Capture Route",
591  SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
592  SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
593  SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
594  SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
595  SB_DOUBLE("Capture Volume",
596  SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
597  SB_DOUBLE("Playback Volume",
598  SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
599  SB16_INPUT_SW("Line Capture Route",
600  SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
601  SB_DOUBLE("Line Playback Switch",
602  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
603  SB_DOUBLE("Line Playback Volume",
604  SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
605  SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
606  SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
607  SB_DOUBLE("Tone Control - Bass",
608  SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
609  SB_DOUBLE("Tone Control - Treble",
610  SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
611 };
612 
613 static unsigned char snd_sb16_init_values[][2] = {
614  { SB_DSP4_MASTER_DEV + 0, 0 },
615  { SB_DSP4_MASTER_DEV + 1, 0 },
616  { SB_DSP4_PCM_DEV + 0, 0 },
617  { SB_DSP4_PCM_DEV + 1, 0 },
618  { SB_DSP4_SYNTH_DEV + 0, 0 },
619  { SB_DSP4_SYNTH_DEV + 1, 0 },
620  { SB_DSP4_INPUT_LEFT, 0 },
621  { SB_DSP4_INPUT_RIGHT, 0 },
622  { SB_DSP4_OUTPUT_SW, 0 },
623  { SB_DSP4_SPEAKER_DEV, 0 },
624 };
625 
626 /*
627  * DT019x specific mixer elements
628  */
629 static struct sbmix_elem snd_dt019x_controls[] = {
630  /* ALS4000 below has some parts which we might be lacking,
631  * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
632  SB_DOUBLE("Master Playback Volume",
633  SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
634  SB_DOUBLE("PCM Playback Switch",
635  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
636  SB_DOUBLE("PCM Playback Volume",
637  SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
638  SB_DOUBLE("Synth Playback Switch",
639  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
640  SB_DOUBLE("Synth Playback Volume",
641  SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
642  SB_DOUBLE("CD Playback Switch",
643  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
644  SB_DOUBLE("CD Playback Volume",
645  SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
646  SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
647  SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
648  SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0, 7),
649  SB_DOUBLE("Line Playback Switch",
650  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
651  SB_DOUBLE("Line Playback Volume",
652  SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
653  {
654  .name = "Capture Source",
655  .type = SB_MIX_CAPTURE_DT019X
656  }
657 };
658 
659 static unsigned char snd_dt019x_init_values[][2] = {
660  { SB_DT019X_MASTER_DEV, 0 },
661  { SB_DT019X_PCM_DEV, 0 },
662  { SB_DT019X_SYNTH_DEV, 0 },
663  { SB_DT019X_CD_DEV, 0 },
664  { SB_DT019X_MIC_DEV, 0 }, /* Includes PC-speaker in high nibble */
665  { SB_DT019X_LINE_DEV, 0 },
666  { SB_DSP4_OUTPUT_SW, 0 },
667  { SB_DT019X_OUTPUT_SW2, 0 },
668  { SB_DT019X_CAPTURE_SW, 0x06 },
669 };
670 
671 /*
672  * ALS4000 specific mixer elements
673  */
674 static struct sbmix_elem snd_als4000_controls[] = {
675  SB_DOUBLE("PCM Playback Switch",
676  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
677  SB_DOUBLE("Synth Playback Switch",
678  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
679  SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
680  SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
681  {
682  .name = "Master Mono Capture Route",
683  .type = SB_MIX_MONO_CAPTURE_ALS4K
684  },
685  SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
686  SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
687  SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
688  SB_SINGLE("Digital Loopback Switch",
689  SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
690  /* FIXME: functionality of 3D controls might be swapped, I didn't find
691  * a description of how to identify what is supposed to be what */
692  SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
693  /* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
694  SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
695  /* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
696  * but what ALSA 3D attribute is that actually? "Center", "Depth",
697  * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
698  SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
699  SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
700  SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
701  SB_ALS4000_FMDAC, 5, 0x01),
702 #ifdef NOT_AVAILABLE
703  SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
704  SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
705 #endif
706 };
707 
708 static unsigned char snd_als4000_init_values[][2] = {
709  { SB_DSP4_MASTER_DEV + 0, 0 },
710  { SB_DSP4_MASTER_DEV + 1, 0 },
711  { SB_DSP4_PCM_DEV + 0, 0 },
712  { SB_DSP4_PCM_DEV + 1, 0 },
713  { SB_DSP4_SYNTH_DEV + 0, 0 },
714  { SB_DSP4_SYNTH_DEV + 1, 0 },
715  { SB_DSP4_SPEAKER_DEV, 0 },
716  { SB_DSP4_OUTPUT_SW, 0 },
717  { SB_DSP4_INPUT_LEFT, 0 },
718  { SB_DSP4_INPUT_RIGHT, 0 },
719  { SB_DT019X_OUTPUT_SW2, 0 },
720  { SB_ALS4000_MIC_IN_GAIN, 0 },
721 };
722 
723 /*
724  */
725 static int snd_sbmixer_init(struct snd_sb *chip,
726  struct sbmix_elem *controls,
727  int controls_count,
728  unsigned char map[][2],
729  int map_count,
730  char *name)
731 {
732  unsigned long flags;
733  struct snd_card *card = chip->card;
734  int idx, err;
735 
736  /* mixer reset */
737  spin_lock_irqsave(&chip->mixer_lock, flags);
738  snd_sbmixer_write(chip, 0x00, 0x00);
739  spin_unlock_irqrestore(&chip->mixer_lock, flags);
740 
741  /* mute and zero volume channels */
742  for (idx = 0; idx < map_count; idx++) {
743  spin_lock_irqsave(&chip->mixer_lock, flags);
744  snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
745  spin_unlock_irqrestore(&chip->mixer_lock, flags);
746  }
747 
748  for (idx = 0; idx < controls_count; idx++) {
749  err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
750  if (err < 0)
751  return err;
752  }
753  snd_component_add(card, name);
754  strcpy(card->mixername, name);
755  return 0;
756 }
757 
758 int snd_sbmixer_new(struct snd_sb *chip)
759 {
760  struct snd_card *card;
761  int err;
762 
763  if (snd_BUG_ON(!chip || !chip->card))
764  return -EINVAL;
765 
766  card = chip->card;
767 
768  switch (chip->hardware) {
769  case SB_HW_10:
770  return 0; /* no mixer chip on SB1.x */
771  case SB_HW_20:
772  case SB_HW_201:
773  if ((err = snd_sbmixer_init(chip,
774  snd_sb20_controls,
775  ARRAY_SIZE(snd_sb20_controls),
776  snd_sb20_init_values,
777  ARRAY_SIZE(snd_sb20_init_values),
778  "CTL1335")) < 0)
779  return err;
780  break;
781  case SB_HW_PRO:
782  case SB_HW_JAZZ16:
783  if ((err = snd_sbmixer_init(chip,
784  snd_sbpro_controls,
785  ARRAY_SIZE(snd_sbpro_controls),
786  snd_sbpro_init_values,
787  ARRAY_SIZE(snd_sbpro_init_values),
788  "CTL1345")) < 0)
789  return err;
790  break;
791  case SB_HW_16:
792  case SB_HW_ALS100:
793  case SB_HW_CS5530:
794  if ((err = snd_sbmixer_init(chip,
795  snd_sb16_controls,
796  ARRAY_SIZE(snd_sb16_controls),
797  snd_sb16_init_values,
798  ARRAY_SIZE(snd_sb16_init_values),
799  "CTL1745")) < 0)
800  return err;
801  break;
802  case SB_HW_ALS4000:
803  /* use only the first 16 controls from SB16 */
804  err = snd_sbmixer_init(chip,
805  snd_sb16_controls,
806  16,
807  snd_sb16_init_values,
808  ARRAY_SIZE(snd_sb16_init_values),
809  "ALS4000");
810  if (err < 0)
811  return err;
812  if ((err = snd_sbmixer_init(chip,
813  snd_als4000_controls,
814  ARRAY_SIZE(snd_als4000_controls),
815  snd_als4000_init_values,
816  ARRAY_SIZE(snd_als4000_init_values),
817  "ALS4000")) < 0)
818  return err;
819  break;
820  case SB_HW_DT019X:
821  if ((err = snd_sbmixer_init(chip,
822  snd_dt019x_controls,
823  ARRAY_SIZE(snd_dt019x_controls),
824  snd_dt019x_init_values,
825  ARRAY_SIZE(snd_dt019x_init_values),
826  "DT019X")) < 0)
827  break;
828  default:
829  strcpy(card->mixername, "???");
830  }
831  return 0;
832 }
833 
834 #ifdef CONFIG_PM
835 static unsigned char sb20_saved_regs[] = {
836  SB_DSP20_MASTER_DEV,
837  SB_DSP20_PCM_DEV,
838  SB_DSP20_FM_DEV,
839  SB_DSP20_CD_DEV,
840 };
841 
842 static unsigned char sbpro_saved_regs[] = {
843  SB_DSP_MASTER_DEV,
844  SB_DSP_PCM_DEV,
845  SB_DSP_PLAYBACK_FILT,
846  SB_DSP_FM_DEV,
847  SB_DSP_CD_DEV,
848  SB_DSP_LINE_DEV,
849  SB_DSP_MIC_DEV,
850  SB_DSP_CAPTURE_SOURCE,
851  SB_DSP_CAPTURE_FILT,
852 };
853 
854 static unsigned char sb16_saved_regs[] = {
855  SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
856  SB_DSP4_3DSE,
857  SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
858  SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
859  SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
860  SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
861  SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
862  SB_DSP4_OUTPUT_SW,
863  SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
864  SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
865  SB_DSP4_MIC_DEV,
866  SB_DSP4_SPEAKER_DEV,
867  SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
868  SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
869  SB_DSP4_MIC_AGC
870 };
871 
872 static unsigned char dt019x_saved_regs[] = {
873  SB_DT019X_MASTER_DEV,
874  SB_DT019X_PCM_DEV,
875  SB_DT019X_SYNTH_DEV,
876  SB_DT019X_CD_DEV,
877  SB_DT019X_MIC_DEV,
878  SB_DT019X_SPKR_DEV,
879  SB_DT019X_LINE_DEV,
880  SB_DSP4_OUTPUT_SW,
881  SB_DT019X_OUTPUT_SW2,
882  SB_DT019X_CAPTURE_SW,
883 };
884 
885 static unsigned char als4000_saved_regs[] = {
886  /* please verify in dsheet whether regs to be added
887  are actually real H/W or just dummy */
888  SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
889  SB_DSP4_OUTPUT_SW,
890  SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
891  SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
892  SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
893  SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
894  SB_DSP4_MIC_DEV,
895  SB_DSP4_SPEAKER_DEV,
896  SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
897  SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
898  SB_DT019X_OUTPUT_SW2,
899  SB_ALS4000_MONO_IO_CTRL,
900  SB_ALS4000_MIC_IN_GAIN,
901  SB_ALS4000_FMDAC,
902  SB_ALS4000_3D_SND_FX,
903  SB_ALS4000_3D_TIME_DELAY,
904  SB_ALS4000_CR3_CONFIGURATION,
905 };
906 
907 static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
908 {
909  unsigned char *val = chip->saved_regs;
910  if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
911  return;
912  for (; num_regs; num_regs--)
913  *val++ = snd_sbmixer_read(chip, *regs++);
914 }
915 
916 static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
917 {
918  unsigned char *val = chip->saved_regs;
919  if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
920  return;
921  for (; num_regs; num_regs--)
922  snd_sbmixer_write(chip, *regs++, *val++);
923 }
924 
925 void snd_sbmixer_suspend(struct snd_sb *chip)
926 {
927  switch (chip->hardware) {
928  case SB_HW_20:
929  case SB_HW_201:
930  save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
931  break;
932  case SB_HW_PRO:
933  case SB_HW_JAZZ16:
934  save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
935  break;
936  case SB_HW_16:
937  case SB_HW_ALS100:
938  case SB_HW_CS5530:
939  save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
940  break;
941  case SB_HW_ALS4000:
942  save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
943  break;
944  case SB_HW_DT019X:
945  save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
946  break;
947  default:
948  break;
949  }
950 }
951 
952 void snd_sbmixer_resume(struct snd_sb *chip)
953 {
954  switch (chip->hardware) {
955  case SB_HW_20:
956  case SB_HW_201:
957  restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
958  break;
959  case SB_HW_PRO:
960  case SB_HW_JAZZ16:
961  restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
962  break;
963  case SB_HW_16:
964  case SB_HW_ALS100:
965  case SB_HW_CS5530:
966  restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
967  break;
968  case SB_HW_ALS4000:
969  restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
970  break;
971  case SB_HW_DT019X:
972  restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
973  break;
974  default:
975  break;
976  }
977 }
978 #endif
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