xref: /openbmc/linux/sound/isa/sb/sb_mixer.c (revision 7dd65feb)
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3  *  Routines for Sound Blaster mixer control
4  *
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21 
22 #include <asm/io.h>
23 #include <linux/delay.h>
24 #include <linux/time.h>
25 #include <sound/core.h>
26 #include <sound/sb.h>
27 #include <sound/control.h>
28 
29 #undef IO_DEBUG
30 
31 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
32 {
33 	outb(reg, SBP(chip, MIXER_ADDR));
34 	udelay(10);
35 	outb(data, SBP(chip, MIXER_DATA));
36 	udelay(10);
37 #ifdef IO_DEBUG
38 	snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
39 #endif
40 }
41 
42 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
43 {
44 	unsigned char result;
45 
46 	outb(reg, SBP(chip, MIXER_ADDR));
47 	udelay(10);
48 	result = inb(SBP(chip, MIXER_DATA));
49 	udelay(10);
50 #ifdef IO_DEBUG
51 	snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
52 #endif
53 	return result;
54 }
55 
56 /*
57  * Single channel mixer element
58  */
59 
60 static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
61 {
62 	int mask = (kcontrol->private_value >> 24) & 0xff;
63 
64 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
65 	uinfo->count = 1;
66 	uinfo->value.integer.min = 0;
67 	uinfo->value.integer.max = mask;
68 	return 0;
69 }
70 
71 static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
72 {
73 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
74 	unsigned long flags;
75 	int reg = kcontrol->private_value & 0xff;
76 	int shift = (kcontrol->private_value >> 16) & 0xff;
77 	int mask = (kcontrol->private_value >> 24) & 0xff;
78 	unsigned char val;
79 
80 	spin_lock_irqsave(&sb->mixer_lock, flags);
81 	val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
82 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
83 	ucontrol->value.integer.value[0] = val;
84 	return 0;
85 }
86 
87 static int snd_sbmixer_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
88 {
89 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
90 	unsigned long flags;
91 	int reg = kcontrol->private_value & 0xff;
92 	int shift = (kcontrol->private_value >> 16) & 0x07;
93 	int mask = (kcontrol->private_value >> 24) & 0xff;
94 	int change;
95 	unsigned char val, oval;
96 
97 	val = (ucontrol->value.integer.value[0] & mask) << shift;
98 	spin_lock_irqsave(&sb->mixer_lock, flags);
99 	oval = snd_sbmixer_read(sb, reg);
100 	val = (oval & ~(mask << shift)) | val;
101 	change = val != oval;
102 	if (change)
103 		snd_sbmixer_write(sb, reg, val);
104 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
105 	return change;
106 }
107 
108 /*
109  * Double channel mixer element
110  */
111 
112 static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
113 {
114 	int mask = (kcontrol->private_value >> 24) & 0xff;
115 
116 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
117 	uinfo->count = 2;
118 	uinfo->value.integer.min = 0;
119 	uinfo->value.integer.max = mask;
120 	return 0;
121 }
122 
123 static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
124 {
125 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
126 	unsigned long flags;
127 	int left_reg = kcontrol->private_value & 0xff;
128 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
129 	int left_shift = (kcontrol->private_value >> 16) & 0x07;
130 	int right_shift = (kcontrol->private_value >> 19) & 0x07;
131 	int mask = (kcontrol->private_value >> 24) & 0xff;
132 	unsigned char left, right;
133 
134 	spin_lock_irqsave(&sb->mixer_lock, flags);
135 	left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
136 	right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
137 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
138 	ucontrol->value.integer.value[0] = left;
139 	ucontrol->value.integer.value[1] = right;
140 	return 0;
141 }
142 
143 static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
144 {
145 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
146 	unsigned long flags;
147 	int left_reg = kcontrol->private_value & 0xff;
148 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
149 	int left_shift = (kcontrol->private_value >> 16) & 0x07;
150 	int right_shift = (kcontrol->private_value >> 19) & 0x07;
151 	int mask = (kcontrol->private_value >> 24) & 0xff;
152 	int change;
153 	unsigned char left, right, oleft, oright;
154 
155 	left = (ucontrol->value.integer.value[0] & mask) << left_shift;
156 	right = (ucontrol->value.integer.value[1] & mask) << right_shift;
157 	spin_lock_irqsave(&sb->mixer_lock, flags);
158 	if (left_reg == right_reg) {
159 		oleft = snd_sbmixer_read(sb, left_reg);
160 		left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
161 		change = left != oleft;
162 		if (change)
163 			snd_sbmixer_write(sb, left_reg, left);
164 	} else {
165 		oleft = snd_sbmixer_read(sb, left_reg);
166 		oright = snd_sbmixer_read(sb, right_reg);
167 		left = (oleft & ~(mask << left_shift)) | left;
168 		right = (oright & ~(mask << right_shift)) | right;
169 		change = left != oleft || right != oright;
170 		if (change) {
171 			snd_sbmixer_write(sb, left_reg, left);
172 			snd_sbmixer_write(sb, right_reg, right);
173 		}
174 	}
175 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
176 	return change;
177 }
178 
179 /*
180  * DT-019x / ALS-007 capture/input switch
181  */
182 
183 static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
184 {
185 	static const char *texts[5] = {
186 		"CD", "Mic", "Line", "Synth", "Master"
187 	};
188 
189 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
190 	uinfo->count = 1;
191 	uinfo->value.enumerated.items = 5;
192 	if (uinfo->value.enumerated.item > 4)
193 		uinfo->value.enumerated.item = 4;
194 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
195 	return 0;
196 }
197 
198 static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
199 {
200 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
201 	unsigned long flags;
202 	unsigned char oval;
203 
204 	spin_lock_irqsave(&sb->mixer_lock, flags);
205 	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
206 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
207 	switch (oval & 0x07) {
208 	case SB_DT019X_CAP_CD:
209 		ucontrol->value.enumerated.item[0] = 0;
210 		break;
211 	case SB_DT019X_CAP_MIC:
212 		ucontrol->value.enumerated.item[0] = 1;
213 		break;
214 	case SB_DT019X_CAP_LINE:
215 		ucontrol->value.enumerated.item[0] = 2;
216 		break;
217 	case SB_DT019X_CAP_MAIN:
218 		ucontrol->value.enumerated.item[0] = 4;
219 		break;
220 	/* To record the synth on these cards you must record the main.   */
221 	/* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
222 	/* duplicate case labels if left uncommented. */
223 	/* case SB_DT019X_CAP_SYNTH:
224 	 *	ucontrol->value.enumerated.item[0] = 3;
225 	 *	break;
226 	 */
227 	default:
228 		ucontrol->value.enumerated.item[0] = 4;
229 		break;
230 	}
231 	return 0;
232 }
233 
234 static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
235 {
236 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
237 	unsigned long flags;
238 	int change;
239 	unsigned char nval, oval;
240 
241 	if (ucontrol->value.enumerated.item[0] > 4)
242 		return -EINVAL;
243 	switch (ucontrol->value.enumerated.item[0]) {
244 	case 0:
245 		nval = SB_DT019X_CAP_CD;
246 		break;
247 	case 1:
248 		nval = SB_DT019X_CAP_MIC;
249 		break;
250 	case 2:
251 		nval = SB_DT019X_CAP_LINE;
252 		break;
253 	case 3:
254 		nval = SB_DT019X_CAP_SYNTH;
255 		break;
256 	case 4:
257 		nval = SB_DT019X_CAP_MAIN;
258 		break;
259 	default:
260 		nval = SB_DT019X_CAP_MAIN;
261 	}
262 	spin_lock_irqsave(&sb->mixer_lock, flags);
263 	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
264 	change = nval != oval;
265 	if (change)
266 		snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
267 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
268 	return change;
269 }
270 
271 /*
272  * ALS4000 mono recording control switch
273  */
274 
275 static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
276 					     struct snd_ctl_elem_info *uinfo)
277 {
278 	static const char *texts[3] = {
279 		"L chan only", "R chan only", "L ch/2 + R ch/2"
280 	};
281 
282 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
283 	uinfo->count = 1;
284 	uinfo->value.enumerated.items = 3;
285 	if (uinfo->value.enumerated.item > 2)
286 		uinfo->value.enumerated.item = 2;
287 	strcpy(uinfo->value.enumerated.name,
288 	       texts[uinfo->value.enumerated.item]);
289 	return 0;
290 }
291 
292 static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
293 				struct snd_ctl_elem_value *ucontrol)
294 {
295 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
296 	unsigned long flags;
297 	unsigned char oval;
298 
299 	spin_lock_irqsave(&sb->mixer_lock, flags);
300 	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
301 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
302 	oval >>= 6;
303 	if (oval > 2)
304 		oval = 2;
305 
306 	ucontrol->value.enumerated.item[0] = oval;
307 	return 0;
308 }
309 
310 static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
311 				struct snd_ctl_elem_value *ucontrol)
312 {
313 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
314 	unsigned long flags;
315 	int change;
316 	unsigned char nval, oval;
317 
318 	if (ucontrol->value.enumerated.item[0] > 2)
319 		return -EINVAL;
320 	spin_lock_irqsave(&sb->mixer_lock, flags);
321 	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
322 
323 	nval = (oval & ~(3 << 6))
324 	     | (ucontrol->value.enumerated.item[0] << 6);
325 	change = nval != oval;
326 	if (change)
327 		snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
328 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
329 	return change;
330 }
331 
332 /*
333  * SBPRO input multiplexer
334  */
335 
336 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
337 {
338 	static const char *texts[3] = {
339 		"Mic", "CD", "Line"
340 	};
341 
342 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
343 	uinfo->count = 1;
344 	uinfo->value.enumerated.items = 3;
345 	if (uinfo->value.enumerated.item > 2)
346 		uinfo->value.enumerated.item = 2;
347 	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
348 	return 0;
349 }
350 
351 
352 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
353 {
354 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
355 	unsigned long flags;
356 	unsigned char oval;
357 
358 	spin_lock_irqsave(&sb->mixer_lock, flags);
359 	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
360 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
361 	switch ((oval >> 0x01) & 0x03) {
362 	case SB_DSP_MIXS_CD:
363 		ucontrol->value.enumerated.item[0] = 1;
364 		break;
365 	case SB_DSP_MIXS_LINE:
366 		ucontrol->value.enumerated.item[0] = 2;
367 		break;
368 	default:
369 		ucontrol->value.enumerated.item[0] = 0;
370 		break;
371 	}
372 	return 0;
373 }
374 
375 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
376 {
377 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
378 	unsigned long flags;
379 	int change;
380 	unsigned char nval, oval;
381 
382 	if (ucontrol->value.enumerated.item[0] > 2)
383 		return -EINVAL;
384 	switch (ucontrol->value.enumerated.item[0]) {
385 	case 1:
386 		nval = SB_DSP_MIXS_CD;
387 		break;
388 	case 2:
389 		nval = SB_DSP_MIXS_LINE;
390 		break;
391 	default:
392 		nval = SB_DSP_MIXS_MIC;
393 	}
394 	nval <<= 1;
395 	spin_lock_irqsave(&sb->mixer_lock, flags);
396 	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
397 	nval |= oval & ~0x06;
398 	change = nval != oval;
399 	if (change)
400 		snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
401 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
402 	return change;
403 }
404 
405 /*
406  * SB16 input switch
407  */
408 
409 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
410 {
411 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
412 	uinfo->count = 4;
413 	uinfo->value.integer.min = 0;
414 	uinfo->value.integer.max = 1;
415 	return 0;
416 }
417 
418 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
419 {
420 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
421 	unsigned long flags;
422 	int reg1 = kcontrol->private_value & 0xff;
423 	int reg2 = (kcontrol->private_value >> 8) & 0xff;
424 	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
425 	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
426 	unsigned char val1, val2;
427 
428 	spin_lock_irqsave(&sb->mixer_lock, flags);
429 	val1 = snd_sbmixer_read(sb, reg1);
430 	val2 = snd_sbmixer_read(sb, reg2);
431 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
432 	ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
433 	ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
434 	ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
435 	ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
436 	return 0;
437 }
438 
439 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
440 {
441 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
442 	unsigned long flags;
443 	int reg1 = kcontrol->private_value & 0xff;
444 	int reg2 = (kcontrol->private_value >> 8) & 0xff;
445 	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
446 	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
447 	int change;
448 	unsigned char val1, val2, oval1, oval2;
449 
450 	spin_lock_irqsave(&sb->mixer_lock, flags);
451 	oval1 = snd_sbmixer_read(sb, reg1);
452 	oval2 = snd_sbmixer_read(sb, reg2);
453 	val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
454 	val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
455 	val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
456 	val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
457 	val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
458 	val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
459 	change = val1 != oval1 || val2 != oval2;
460 	if (change) {
461 		snd_sbmixer_write(sb, reg1, val1);
462 		snd_sbmixer_write(sb, reg2, val2);
463 	}
464 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
465 	return change;
466 }
467 
468 
469 /*
470  */
471 /*
472  */
473 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
474 {
475 	static struct snd_kcontrol_new newctls[] = {
476 		[SB_MIX_SINGLE] = {
477 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
478 			.info = snd_sbmixer_info_single,
479 			.get = snd_sbmixer_get_single,
480 			.put = snd_sbmixer_put_single,
481 		},
482 		[SB_MIX_DOUBLE] = {
483 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
484 			.info = snd_sbmixer_info_double,
485 			.get = snd_sbmixer_get_double,
486 			.put = snd_sbmixer_put_double,
487 		},
488 		[SB_MIX_INPUT_SW] = {
489 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
490 			.info = snd_sb16mixer_info_input_sw,
491 			.get = snd_sb16mixer_get_input_sw,
492 			.put = snd_sb16mixer_put_input_sw,
493 		},
494 		[SB_MIX_CAPTURE_PRO] = {
495 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
496 			.info = snd_sb8mixer_info_mux,
497 			.get = snd_sb8mixer_get_mux,
498 			.put = snd_sb8mixer_put_mux,
499 		},
500 		[SB_MIX_CAPTURE_DT019X] = {
501 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
502 			.info = snd_dt019x_input_sw_info,
503 			.get = snd_dt019x_input_sw_get,
504 			.put = snd_dt019x_input_sw_put,
505 		},
506 		[SB_MIX_MONO_CAPTURE_ALS4K] = {
507 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
508 			.info = snd_als4k_mono_capture_route_info,
509 			.get = snd_als4k_mono_capture_route_get,
510 			.put = snd_als4k_mono_capture_route_put,
511 		},
512 	};
513 	struct snd_kcontrol *ctl;
514 	int err;
515 
516 	ctl = snd_ctl_new1(&newctls[type], chip);
517 	if (! ctl)
518 		return -ENOMEM;
519 	strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
520 	ctl->id.index = index;
521 	ctl->private_value = value;
522 	if ((err = snd_ctl_add(chip->card, ctl)) < 0)
523 		return err;
524 	return 0;
525 }
526 
527 /*
528  * SB 2.0 specific mixer elements
529  */
530 
531 static struct sbmix_elem snd_sb20_ctl_master_play_vol =
532 	SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7);
533 static struct sbmix_elem snd_sb20_ctl_pcm_play_vol =
534 	SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3);
535 static struct sbmix_elem snd_sb20_ctl_synth_play_vol =
536 	SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7);
537 static struct sbmix_elem snd_sb20_ctl_cd_play_vol =
538 	SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7);
539 
540 static struct sbmix_elem *snd_sb20_controls[] = {
541 	&snd_sb20_ctl_master_play_vol,
542 	&snd_sb20_ctl_pcm_play_vol,
543 	&snd_sb20_ctl_synth_play_vol,
544 	&snd_sb20_ctl_cd_play_vol
545 };
546 
547 static unsigned char snd_sb20_init_values[][2] = {
548 	{ SB_DSP20_MASTER_DEV, 0 },
549 	{ SB_DSP20_FM_DEV, 0 },
550 };
551 
552 /*
553  * SB Pro specific mixer elements
554  */
555 static struct sbmix_elem snd_sbpro_ctl_master_play_vol =
556 	SB_DOUBLE("Master Playback Volume", SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7);
557 static struct sbmix_elem snd_sbpro_ctl_pcm_play_vol =
558 	SB_DOUBLE("PCM Playback Volume", SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7);
559 static struct sbmix_elem snd_sbpro_ctl_pcm_play_filter =
560 	SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1);
561 static struct sbmix_elem snd_sbpro_ctl_synth_play_vol =
562 	SB_DOUBLE("Synth Playback Volume", SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7);
563 static struct sbmix_elem snd_sbpro_ctl_cd_play_vol =
564 	SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7);
565 static struct sbmix_elem snd_sbpro_ctl_line_play_vol =
566 	SB_DOUBLE("Line Playback Volume", SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7);
567 static struct sbmix_elem snd_sbpro_ctl_mic_play_vol =
568 	SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3);
569 static struct sbmix_elem snd_sbpro_ctl_capture_source =
570 	{
571 		.name = "Capture Source",
572 		.type = SB_MIX_CAPTURE_PRO
573 	};
574 static struct sbmix_elem snd_sbpro_ctl_capture_filter =
575 	SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1);
576 static struct sbmix_elem snd_sbpro_ctl_capture_low_filter =
577 	SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1);
578 
579 static struct sbmix_elem *snd_sbpro_controls[] = {
580 	&snd_sbpro_ctl_master_play_vol,
581 	&snd_sbpro_ctl_pcm_play_vol,
582 	&snd_sbpro_ctl_pcm_play_filter,
583 	&snd_sbpro_ctl_synth_play_vol,
584 	&snd_sbpro_ctl_cd_play_vol,
585 	&snd_sbpro_ctl_line_play_vol,
586 	&snd_sbpro_ctl_mic_play_vol,
587 	&snd_sbpro_ctl_capture_source,
588 	&snd_sbpro_ctl_capture_filter,
589 	&snd_sbpro_ctl_capture_low_filter
590 };
591 
592 static unsigned char snd_sbpro_init_values[][2] = {
593 	{ SB_DSP_MASTER_DEV, 0 },
594 	{ SB_DSP_PCM_DEV, 0 },
595 	{ SB_DSP_FM_DEV, 0 },
596 };
597 
598 /*
599  * SB16 specific mixer elements
600  */
601 static struct sbmix_elem snd_sb16_ctl_master_play_vol =
602 	SB_DOUBLE("Master Playback Volume", SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31);
603 static struct sbmix_elem snd_sb16_ctl_3d_enhance_switch =
604 	SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1);
605 static struct sbmix_elem snd_sb16_ctl_tone_bass =
606 	SB_DOUBLE("Tone Control - Bass", SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15);
607 static struct sbmix_elem snd_sb16_ctl_tone_treble =
608 	SB_DOUBLE("Tone Control - Treble", SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15);
609 static struct sbmix_elem snd_sb16_ctl_pcm_play_vol =
610 	SB_DOUBLE("PCM Playback Volume", SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31);
611 static struct sbmix_elem snd_sb16_ctl_synth_capture_route =
612 	SB16_INPUT_SW("Synth Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5);
613 static struct sbmix_elem snd_sb16_ctl_synth_play_vol =
614 	SB_DOUBLE("Synth Playback Volume", SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31);
615 static struct sbmix_elem snd_sb16_ctl_cd_capture_route =
616 	SB16_INPUT_SW("CD Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1);
617 static struct sbmix_elem snd_sb16_ctl_cd_play_switch =
618 	SB_DOUBLE("CD Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1);
619 static struct sbmix_elem snd_sb16_ctl_cd_play_vol =
620 	SB_DOUBLE("CD Playback Volume", SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31);
621 static struct sbmix_elem snd_sb16_ctl_line_capture_route =
622 	SB16_INPUT_SW("Line Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3);
623 static struct sbmix_elem snd_sb16_ctl_line_play_switch =
624 	SB_DOUBLE("Line Playback Switch", SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1);
625 static struct sbmix_elem snd_sb16_ctl_line_play_vol =
626 	SB_DOUBLE("Line Playback Volume", SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31);
627 static struct sbmix_elem snd_sb16_ctl_mic_capture_route =
628 	SB16_INPUT_SW("Mic Capture Route", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0);
629 static struct sbmix_elem snd_sb16_ctl_mic_play_switch =
630 	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1);
631 static struct sbmix_elem snd_sb16_ctl_mic_play_vol =
632 	SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31);
633 static struct sbmix_elem snd_sb16_ctl_pc_speaker_vol =
634 	SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3);
635 static struct sbmix_elem snd_sb16_ctl_capture_vol =
636 	SB_DOUBLE("Capture Volume", SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3);
637 static struct sbmix_elem snd_sb16_ctl_play_vol =
638 	SB_DOUBLE("Playback Volume", SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3);
639 static struct sbmix_elem snd_sb16_ctl_auto_mic_gain =
640 	SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1);
641 
642 static struct sbmix_elem *snd_sb16_controls[] = {
643 	&snd_sb16_ctl_master_play_vol,
644 	&snd_sb16_ctl_3d_enhance_switch,
645 	&snd_sb16_ctl_tone_bass,
646 	&snd_sb16_ctl_tone_treble,
647 	&snd_sb16_ctl_pcm_play_vol,
648 	&snd_sb16_ctl_synth_capture_route,
649 	&snd_sb16_ctl_synth_play_vol,
650 	&snd_sb16_ctl_cd_capture_route,
651 	&snd_sb16_ctl_cd_play_switch,
652 	&snd_sb16_ctl_cd_play_vol,
653 	&snd_sb16_ctl_line_capture_route,
654 	&snd_sb16_ctl_line_play_switch,
655 	&snd_sb16_ctl_line_play_vol,
656 	&snd_sb16_ctl_mic_capture_route,
657 	&snd_sb16_ctl_mic_play_switch,
658 	&snd_sb16_ctl_mic_play_vol,
659 	&snd_sb16_ctl_pc_speaker_vol,
660 	&snd_sb16_ctl_capture_vol,
661 	&snd_sb16_ctl_play_vol,
662 	&snd_sb16_ctl_auto_mic_gain
663 };
664 
665 static unsigned char snd_sb16_init_values[][2] = {
666 	{ SB_DSP4_MASTER_DEV + 0, 0 },
667 	{ SB_DSP4_MASTER_DEV + 1, 0 },
668 	{ SB_DSP4_PCM_DEV + 0, 0 },
669 	{ SB_DSP4_PCM_DEV + 1, 0 },
670 	{ SB_DSP4_SYNTH_DEV + 0, 0 },
671 	{ SB_DSP4_SYNTH_DEV + 1, 0 },
672 	{ SB_DSP4_INPUT_LEFT, 0 },
673 	{ SB_DSP4_INPUT_RIGHT, 0 },
674 	{ SB_DSP4_OUTPUT_SW, 0 },
675 	{ SB_DSP4_SPEAKER_DEV, 0 },
676 };
677 
678 /*
679  * DT019x specific mixer elements
680  */
681 static struct sbmix_elem snd_dt019x_ctl_master_play_vol =
682 	SB_DOUBLE("Master Playback Volume", SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4,0, 15);
683 static struct sbmix_elem snd_dt019x_ctl_pcm_play_vol =
684 	SB_DOUBLE("PCM Playback Volume", SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4,0, 15);
685 static struct sbmix_elem snd_dt019x_ctl_synth_play_vol =
686 	SB_DOUBLE("Synth Playback Volume", SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4,0, 15);
687 static struct sbmix_elem snd_dt019x_ctl_cd_play_vol =
688 	SB_DOUBLE("CD Playback Volume", SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4,0, 15);
689 static struct sbmix_elem snd_dt019x_ctl_mic_play_vol =
690 	SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7);
691 static struct sbmix_elem snd_dt019x_ctl_pc_speaker_vol =
692 	SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7);
693 static struct sbmix_elem snd_dt019x_ctl_line_play_vol =
694 	SB_DOUBLE("Line Playback Volume", SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4,0, 15);
695 static struct sbmix_elem snd_dt019x_ctl_pcm_play_switch =
696 	SB_DOUBLE("PCM Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2,1, 1);
697 static struct sbmix_elem snd_dt019x_ctl_synth_play_switch =
698 	SB_DOUBLE("Synth Playback Switch", SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4,3, 1);
699 static struct sbmix_elem snd_dt019x_ctl_capture_source =
700 	{
701 		.name = "Capture Source",
702 		.type = SB_MIX_CAPTURE_DT019X
703 	};
704 
705 static struct sbmix_elem *snd_dt019x_controls[] = {
706 	/* ALS4000 below has some parts which we might be lacking,
707 	 * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
708 	&snd_dt019x_ctl_master_play_vol,
709 	&snd_dt019x_ctl_pcm_play_vol,
710 	&snd_dt019x_ctl_synth_play_vol,
711 	&snd_dt019x_ctl_cd_play_vol,
712 	&snd_dt019x_ctl_mic_play_vol,
713 	&snd_dt019x_ctl_pc_speaker_vol,
714 	&snd_dt019x_ctl_line_play_vol,
715 	&snd_sb16_ctl_mic_play_switch,
716 	&snd_sb16_ctl_cd_play_switch,
717 	&snd_sb16_ctl_line_play_switch,
718 	&snd_dt019x_ctl_pcm_play_switch,
719 	&snd_dt019x_ctl_synth_play_switch,
720 	&snd_dt019x_ctl_capture_source
721 };
722 
723 static unsigned char snd_dt019x_init_values[][2] = {
724         { SB_DT019X_MASTER_DEV, 0 },
725         { SB_DT019X_PCM_DEV, 0 },
726         { SB_DT019X_SYNTH_DEV, 0 },
727         { SB_DT019X_CD_DEV, 0 },
728         { SB_DT019X_MIC_DEV, 0 },	/* Includes PC-speaker in high nibble */
729         { SB_DT019X_LINE_DEV, 0 },
730         { SB_DSP4_OUTPUT_SW, 0 },
731         { SB_DT019X_OUTPUT_SW2, 0 },
732         { SB_DT019X_CAPTURE_SW, 0x06 },
733 };
734 
735 /*
736  * ALS4000 specific mixer elements
737  */
738 static struct sbmix_elem snd_als4000_ctl_master_mono_playback_switch =
739 	SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1);
740 static struct sbmix_elem snd_als4k_ctl_master_mono_capture_route = {
741 		.name = "Master Mono Capture Route",
742 		.type = SB_MIX_MONO_CAPTURE_ALS4K
743 	};
744 static struct sbmix_elem snd_als4000_ctl_mono_playback_switch =
745 	SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1);
746 static struct sbmix_elem snd_als4000_ctl_mic_20db_boost =
747 	SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03);
748 static struct sbmix_elem snd_als4000_ctl_mixer_analog_loopback =
749 	SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01);
750 static struct sbmix_elem snd_als4000_ctl_mixer_digital_loopback =
751 	SB_SINGLE("Digital Loopback Switch",
752 		  SB_ALS4000_CR3_CONFIGURATION, 7, 0x01);
753 /* FIXME: functionality of 3D controls might be swapped, I didn't find
754  * a description of how to identify what is supposed to be what */
755 static struct sbmix_elem snd_als4000_3d_control_switch =
756 	SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01);
757 static struct sbmix_elem snd_als4000_3d_control_ratio =
758 	SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07);
759 static struct sbmix_elem snd_als4000_3d_control_freq =
760 	/* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
761 	SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03);
762 static struct sbmix_elem snd_als4000_3d_control_delay =
763 	/* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
764 	 * but what ALSA 3D attribute is that actually? "Center", "Depth",
765 	 * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
766 	SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f);
767 static struct sbmix_elem snd_als4000_3d_control_poweroff_switch =
768 	SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01);
769 static struct sbmix_elem snd_als4000_ctl_3db_freq_control_switch =
770 	SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
771 		  SB_ALS4000_FMDAC, 5, 0x01);
772 #ifdef NOT_AVAILABLE
773 static struct sbmix_elem snd_als4000_ctl_fmdac =
774 	SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01);
775 static struct sbmix_elem snd_als4000_ctl_qsound =
776 	SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f);
777 #endif
778 
779 static struct sbmix_elem *snd_als4000_controls[] = {
780 						/* ALS4000a.PDF regs page */
781 	&snd_sb16_ctl_master_play_vol,		/* MX30/31 12 */
782 	&snd_dt019x_ctl_pcm_play_switch,	/* MX4C    16 */
783 	&snd_sb16_ctl_pcm_play_vol,		/* MX32/33 12 */
784 	&snd_sb16_ctl_synth_capture_route,	/* MX3D/3E 14 */
785 	&snd_dt019x_ctl_synth_play_switch,	/* MX4C    16 */
786 	&snd_sb16_ctl_synth_play_vol,		/* MX34/35 12/13 */
787 	&snd_sb16_ctl_cd_capture_route,		/* MX3D/3E 14 */
788 	&snd_sb16_ctl_cd_play_switch,		/* MX3C    14 */
789 	&snd_sb16_ctl_cd_play_vol,		/* MX36/37 13 */
790 	&snd_sb16_ctl_line_capture_route,	/* MX3D/3E 14 */
791 	&snd_sb16_ctl_line_play_switch,		/* MX3C    14 */
792 	&snd_sb16_ctl_line_play_vol,		/* MX38/39 13 */
793 	&snd_sb16_ctl_mic_capture_route,	/* MX3D/3E 14 */
794 	&snd_als4000_ctl_mic_20db_boost,	/* MX4D    16 */
795 	&snd_sb16_ctl_mic_play_switch,		/* MX3C    14 */
796 	&snd_sb16_ctl_mic_play_vol,		/* MX3A    13 */
797 	&snd_sb16_ctl_pc_speaker_vol,		/* MX3B    14 */
798 	&snd_sb16_ctl_capture_vol,		/* MX3F/40 15 */
799 	&snd_sb16_ctl_play_vol,			/* MX41/42 15 */
800 	&snd_als4000_ctl_master_mono_playback_switch, /* MX4C 16 */
801 	&snd_als4k_ctl_master_mono_capture_route, /* MX4B  16 */
802 	&snd_als4000_ctl_mono_playback_switch,	/* MX4C    16 */
803 	&snd_als4000_ctl_mixer_analog_loopback, /* MX4D    16 */
804 	&snd_als4000_ctl_mixer_digital_loopback, /* CR3    21 */
805 	&snd_als4000_3d_control_switch,		 /* MX50   17 */
806 	&snd_als4000_3d_control_ratio,		 /* MX50   17 */
807 	&snd_als4000_3d_control_freq,		 /* MX50   17 */
808 	&snd_als4000_3d_control_delay,		 /* MX51   18 */
809 	&snd_als4000_3d_control_poweroff_switch,	/* MX51    18 */
810 	&snd_als4000_ctl_3db_freq_control_switch,	/* MX4F    17 */
811 #ifdef NOT_AVAILABLE
812 	&snd_als4000_ctl_fmdac,
813 	&snd_als4000_ctl_qsound,
814 #endif
815 };
816 
817 static unsigned char snd_als4000_init_values[][2] = {
818 	{ SB_DSP4_MASTER_DEV + 0, 0 },
819 	{ SB_DSP4_MASTER_DEV + 1, 0 },
820 	{ SB_DSP4_PCM_DEV + 0, 0 },
821 	{ SB_DSP4_PCM_DEV + 1, 0 },
822 	{ SB_DSP4_SYNTH_DEV + 0, 0 },
823 	{ SB_DSP4_SYNTH_DEV + 1, 0 },
824 	{ SB_DSP4_SPEAKER_DEV, 0 },
825 	{ SB_DSP4_OUTPUT_SW, 0 },
826 	{ SB_DSP4_INPUT_LEFT, 0 },
827 	{ SB_DSP4_INPUT_RIGHT, 0 },
828 	{ SB_DT019X_OUTPUT_SW2, 0 },
829 	{ SB_ALS4000_MIC_IN_GAIN, 0 },
830 };
831 
832 
833 /*
834  */
835 static int snd_sbmixer_init(struct snd_sb *chip,
836 			    struct sbmix_elem **controls,
837 			    int controls_count,
838 			    unsigned char map[][2],
839 			    int map_count,
840 			    char *name)
841 {
842 	unsigned long flags;
843 	struct snd_card *card = chip->card;
844 	int idx, err;
845 
846 	/* mixer reset */
847 	spin_lock_irqsave(&chip->mixer_lock, flags);
848 	snd_sbmixer_write(chip, 0x00, 0x00);
849 	spin_unlock_irqrestore(&chip->mixer_lock, flags);
850 
851 	/* mute and zero volume channels */
852 	for (idx = 0; idx < map_count; idx++) {
853 		spin_lock_irqsave(&chip->mixer_lock, flags);
854 		snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
855 		spin_unlock_irqrestore(&chip->mixer_lock, flags);
856 	}
857 
858 	for (idx = 0; idx < controls_count; idx++) {
859 		if ((err = snd_sbmixer_add_ctl_elem(chip, controls[idx])) < 0)
860 			return err;
861 	}
862 	snd_component_add(card, name);
863 	strcpy(card->mixername, name);
864 	return 0;
865 }
866 
867 int snd_sbmixer_new(struct snd_sb *chip)
868 {
869 	struct snd_card *card;
870 	int err;
871 
872 	if (snd_BUG_ON(!chip || !chip->card))
873 		return -EINVAL;
874 
875 	card = chip->card;
876 
877 	switch (chip->hardware) {
878 	case SB_HW_10:
879 		return 0; /* no mixer chip on SB1.x */
880 	case SB_HW_20:
881 	case SB_HW_201:
882 		if ((err = snd_sbmixer_init(chip,
883 					    snd_sb20_controls,
884 					    ARRAY_SIZE(snd_sb20_controls),
885 					    snd_sb20_init_values,
886 					    ARRAY_SIZE(snd_sb20_init_values),
887 					    "CTL1335")) < 0)
888 			return err;
889 		break;
890 	case SB_HW_PRO:
891 		if ((err = snd_sbmixer_init(chip,
892 					    snd_sbpro_controls,
893 					    ARRAY_SIZE(snd_sbpro_controls),
894 					    snd_sbpro_init_values,
895 					    ARRAY_SIZE(snd_sbpro_init_values),
896 					    "CTL1345")) < 0)
897 			return err;
898 		break;
899 	case SB_HW_16:
900 	case SB_HW_ALS100:
901 	case SB_HW_CS5530:
902 		if ((err = snd_sbmixer_init(chip,
903 					    snd_sb16_controls,
904 					    ARRAY_SIZE(snd_sb16_controls),
905 					    snd_sb16_init_values,
906 					    ARRAY_SIZE(snd_sb16_init_values),
907 					    "CTL1745")) < 0)
908 			return err;
909 		break;
910 	case SB_HW_ALS4000:
911 		if ((err = snd_sbmixer_init(chip,
912 					    snd_als4000_controls,
913 					    ARRAY_SIZE(snd_als4000_controls),
914 					    snd_als4000_init_values,
915 					    ARRAY_SIZE(snd_als4000_init_values),
916 					    "ALS4000")) < 0)
917 			return err;
918 		break;
919 	case SB_HW_DT019X:
920 		if ((err = snd_sbmixer_init(chip,
921 					    snd_dt019x_controls,
922 					    ARRAY_SIZE(snd_dt019x_controls),
923 					    snd_dt019x_init_values,
924 					    ARRAY_SIZE(snd_dt019x_init_values),
925 					    "DT019X")) < 0)
926 		break;
927 	default:
928 		strcpy(card->mixername, "???");
929 	}
930 	return 0;
931 }
932 
933 #ifdef CONFIG_PM
934 static unsigned char sb20_saved_regs[] = {
935 	SB_DSP20_MASTER_DEV,
936 	SB_DSP20_PCM_DEV,
937 	SB_DSP20_FM_DEV,
938 	SB_DSP20_CD_DEV,
939 };
940 
941 static unsigned char sbpro_saved_regs[] = {
942 	SB_DSP_MASTER_DEV,
943 	SB_DSP_PCM_DEV,
944 	SB_DSP_PLAYBACK_FILT,
945 	SB_DSP_FM_DEV,
946 	SB_DSP_CD_DEV,
947 	SB_DSP_LINE_DEV,
948 	SB_DSP_MIC_DEV,
949 	SB_DSP_CAPTURE_SOURCE,
950 	SB_DSP_CAPTURE_FILT,
951 };
952 
953 static unsigned char sb16_saved_regs[] = {
954 	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
955 	SB_DSP4_3DSE,
956 	SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
957 	SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
958 	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
959 	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
960 	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
961 	SB_DSP4_OUTPUT_SW,
962 	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
963 	SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
964 	SB_DSP4_MIC_DEV,
965 	SB_DSP4_SPEAKER_DEV,
966 	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
967 	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
968 	SB_DSP4_MIC_AGC
969 };
970 
971 static unsigned char dt019x_saved_regs[] = {
972 	SB_DT019X_MASTER_DEV,
973 	SB_DT019X_PCM_DEV,
974 	SB_DT019X_SYNTH_DEV,
975 	SB_DT019X_CD_DEV,
976 	SB_DT019X_MIC_DEV,
977 	SB_DT019X_SPKR_DEV,
978 	SB_DT019X_LINE_DEV,
979 	SB_DSP4_OUTPUT_SW,
980 	SB_DT019X_OUTPUT_SW2,
981 	SB_DT019X_CAPTURE_SW,
982 };
983 
984 static unsigned char als4000_saved_regs[] = {
985 	/* please verify in dsheet whether regs to be added
986 	   are actually real H/W or just dummy */
987 	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
988 	SB_DSP4_OUTPUT_SW,
989 	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
990 	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
991 	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
992 	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
993 	SB_DSP4_MIC_DEV,
994 	SB_DSP4_SPEAKER_DEV,
995 	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
996 	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
997 	SB_DT019X_OUTPUT_SW2,
998 	SB_ALS4000_MONO_IO_CTRL,
999 	SB_ALS4000_MIC_IN_GAIN,
1000 	SB_ALS4000_FMDAC,
1001 	SB_ALS4000_3D_SND_FX,
1002 	SB_ALS4000_3D_TIME_DELAY,
1003 	SB_ALS4000_CR3_CONFIGURATION,
1004 };
1005 
1006 static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
1007 {
1008 	unsigned char *val = chip->saved_regs;
1009 	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
1010 		return;
1011 	for (; num_regs; num_regs--)
1012 		*val++ = snd_sbmixer_read(chip, *regs++);
1013 }
1014 
1015 static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
1016 {
1017 	unsigned char *val = chip->saved_regs;
1018 	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
1019 		return;
1020 	for (; num_regs; num_regs--)
1021 		snd_sbmixer_write(chip, *regs++, *val++);
1022 }
1023 
1024 void snd_sbmixer_suspend(struct snd_sb *chip)
1025 {
1026 	switch (chip->hardware) {
1027 	case SB_HW_20:
1028 	case SB_HW_201:
1029 		save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
1030 		break;
1031 	case SB_HW_PRO:
1032 		save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
1033 		break;
1034 	case SB_HW_16:
1035 	case SB_HW_ALS100:
1036 	case SB_HW_CS5530:
1037 		save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
1038 		break;
1039 	case SB_HW_ALS4000:
1040 		save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
1041 		break;
1042 	case SB_HW_DT019X:
1043 		save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
1044 		break;
1045 	default:
1046 		break;
1047 	}
1048 }
1049 
1050 void snd_sbmixer_resume(struct snd_sb *chip)
1051 {
1052 	switch (chip->hardware) {
1053 	case SB_HW_20:
1054 	case SB_HW_201:
1055 		restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
1056 		break;
1057 	case SB_HW_PRO:
1058 		restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
1059 		break;
1060 	case SB_HW_16:
1061 	case SB_HW_ALS100:
1062 	case SB_HW_CS5530:
1063 		restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
1064 		break;
1065 	case SB_HW_ALS4000:
1066 		restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
1067 		break;
1068 	case SB_HW_DT019X:
1069 		restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
1070 		break;
1071 	default:
1072 		break;
1073 	}
1074 }
1075 #endif
1076