xref: /openbmc/linux/sound/isa/sb/sb_mixer.c (revision 37744fee)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4  *  Routines for Sound Blaster mixer control
5  */
6 
7 #include <linux/io.h>
8 #include <linux/delay.h>
9 #include <linux/time.h>
10 #include <sound/core.h>
11 #include <sound/sb.h>
12 #include <sound/control.h>
13 
14 #undef IO_DEBUG
15 
16 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data)
17 {
18 	outb(reg, SBP(chip, MIXER_ADDR));
19 	udelay(10);
20 	outb(data, SBP(chip, MIXER_DATA));
21 	udelay(10);
22 #ifdef IO_DEBUG
23 	snd_printk(KERN_DEBUG "mixer_write 0x%x 0x%x\n", reg, data);
24 #endif
25 }
26 
27 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg)
28 {
29 	unsigned char result;
30 
31 	outb(reg, SBP(chip, MIXER_ADDR));
32 	udelay(10);
33 	result = inb(SBP(chip, MIXER_DATA));
34 	udelay(10);
35 #ifdef IO_DEBUG
36 	snd_printk(KERN_DEBUG "mixer_read 0x%x 0x%x\n", reg, result);
37 #endif
38 	return result;
39 }
40 
41 /*
42  * Single channel mixer element
43  */
44 
45 static int snd_sbmixer_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
46 {
47 	int mask = (kcontrol->private_value >> 24) & 0xff;
48 
49 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
50 	uinfo->count = 1;
51 	uinfo->value.integer.min = 0;
52 	uinfo->value.integer.max = mask;
53 	return 0;
54 }
55 
56 static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
57 {
58 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
59 	unsigned long flags;
60 	int reg = kcontrol->private_value & 0xff;
61 	int shift = (kcontrol->private_value >> 16) & 0xff;
62 	int mask = (kcontrol->private_value >> 24) & 0xff;
63 	unsigned char val;
64 
65 	spin_lock_irqsave(&sb->mixer_lock, flags);
66 	val = (snd_sbmixer_read(sb, reg) >> shift) & mask;
67 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
68 	ucontrol->value.integer.value[0] = val;
69 	return 0;
70 }
71 
72 static int snd_sbmixer_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
73 {
74 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
75 	unsigned long flags;
76 	int reg = kcontrol->private_value & 0xff;
77 	int shift = (kcontrol->private_value >> 16) & 0x07;
78 	int mask = (kcontrol->private_value >> 24) & 0xff;
79 	int change;
80 	unsigned char val, oval;
81 
82 	val = (ucontrol->value.integer.value[0] & mask) << shift;
83 	spin_lock_irqsave(&sb->mixer_lock, flags);
84 	oval = snd_sbmixer_read(sb, reg);
85 	val = (oval & ~(mask << shift)) | val;
86 	change = val != oval;
87 	if (change)
88 		snd_sbmixer_write(sb, reg, val);
89 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
90 	return change;
91 }
92 
93 /*
94  * Double channel mixer element
95  */
96 
97 static int snd_sbmixer_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
98 {
99 	int mask = (kcontrol->private_value >> 24) & 0xff;
100 
101 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
102 	uinfo->count = 2;
103 	uinfo->value.integer.min = 0;
104 	uinfo->value.integer.max = mask;
105 	return 0;
106 }
107 
108 static int snd_sbmixer_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
109 {
110 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
111 	unsigned long flags;
112 	int left_reg = kcontrol->private_value & 0xff;
113 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
114 	int left_shift = (kcontrol->private_value >> 16) & 0x07;
115 	int right_shift = (kcontrol->private_value >> 19) & 0x07;
116 	int mask = (kcontrol->private_value >> 24) & 0xff;
117 	unsigned char left, right;
118 
119 	spin_lock_irqsave(&sb->mixer_lock, flags);
120 	left = (snd_sbmixer_read(sb, left_reg) >> left_shift) & mask;
121 	right = (snd_sbmixer_read(sb, right_reg) >> right_shift) & mask;
122 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
123 	ucontrol->value.integer.value[0] = left;
124 	ucontrol->value.integer.value[1] = right;
125 	return 0;
126 }
127 
128 static int snd_sbmixer_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
129 {
130 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
131 	unsigned long flags;
132 	int left_reg = kcontrol->private_value & 0xff;
133 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
134 	int left_shift = (kcontrol->private_value >> 16) & 0x07;
135 	int right_shift = (kcontrol->private_value >> 19) & 0x07;
136 	int mask = (kcontrol->private_value >> 24) & 0xff;
137 	int change;
138 	unsigned char left, right, oleft, oright;
139 
140 	left = (ucontrol->value.integer.value[0] & mask) << left_shift;
141 	right = (ucontrol->value.integer.value[1] & mask) << right_shift;
142 	spin_lock_irqsave(&sb->mixer_lock, flags);
143 	if (left_reg == right_reg) {
144 		oleft = snd_sbmixer_read(sb, left_reg);
145 		left = (oleft & ~((mask << left_shift) | (mask << right_shift))) | left | right;
146 		change = left != oleft;
147 		if (change)
148 			snd_sbmixer_write(sb, left_reg, left);
149 	} else {
150 		oleft = snd_sbmixer_read(sb, left_reg);
151 		oright = snd_sbmixer_read(sb, right_reg);
152 		left = (oleft & ~(mask << left_shift)) | left;
153 		right = (oright & ~(mask << right_shift)) | right;
154 		change = left != oleft || right != oright;
155 		if (change) {
156 			snd_sbmixer_write(sb, left_reg, left);
157 			snd_sbmixer_write(sb, right_reg, right);
158 		}
159 	}
160 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
161 	return change;
162 }
163 
164 /*
165  * DT-019x / ALS-007 capture/input switch
166  */
167 
168 static int snd_dt019x_input_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
169 {
170 	static const char * const texts[5] = {
171 		"CD", "Mic", "Line", "Synth", "Master"
172 	};
173 
174 	return snd_ctl_enum_info(uinfo, 1, 5, texts);
175 }
176 
177 static int snd_dt019x_input_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
178 {
179 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
180 	unsigned long flags;
181 	unsigned char oval;
182 
183 	spin_lock_irqsave(&sb->mixer_lock, flags);
184 	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
185 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
186 	switch (oval & 0x07) {
187 	case SB_DT019X_CAP_CD:
188 		ucontrol->value.enumerated.item[0] = 0;
189 		break;
190 	case SB_DT019X_CAP_MIC:
191 		ucontrol->value.enumerated.item[0] = 1;
192 		break;
193 	case SB_DT019X_CAP_LINE:
194 		ucontrol->value.enumerated.item[0] = 2;
195 		break;
196 	case SB_DT019X_CAP_MAIN:
197 		ucontrol->value.enumerated.item[0] = 4;
198 		break;
199 	/* To record the synth on these cards you must record the main.   */
200 	/* Thus SB_DT019X_CAP_SYNTH == SB_DT019X_CAP_MAIN and would cause */
201 	/* duplicate case labels if left uncommented. */
202 	/* case SB_DT019X_CAP_SYNTH:
203 	 *	ucontrol->value.enumerated.item[0] = 3;
204 	 *	break;
205 	 */
206 	default:
207 		ucontrol->value.enumerated.item[0] = 4;
208 		break;
209 	}
210 	return 0;
211 }
212 
213 static int snd_dt019x_input_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
214 {
215 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
216 	unsigned long flags;
217 	int change;
218 	unsigned char nval, oval;
219 
220 	if (ucontrol->value.enumerated.item[0] > 4)
221 		return -EINVAL;
222 	switch (ucontrol->value.enumerated.item[0]) {
223 	case 0:
224 		nval = SB_DT019X_CAP_CD;
225 		break;
226 	case 1:
227 		nval = SB_DT019X_CAP_MIC;
228 		break;
229 	case 2:
230 		nval = SB_DT019X_CAP_LINE;
231 		break;
232 	case 3:
233 		nval = SB_DT019X_CAP_SYNTH;
234 		break;
235 	case 4:
236 		nval = SB_DT019X_CAP_MAIN;
237 		break;
238 	default:
239 		nval = SB_DT019X_CAP_MAIN;
240 	}
241 	spin_lock_irqsave(&sb->mixer_lock, flags);
242 	oval = snd_sbmixer_read(sb, SB_DT019X_CAPTURE_SW);
243 	change = nval != oval;
244 	if (change)
245 		snd_sbmixer_write(sb, SB_DT019X_CAPTURE_SW, nval);
246 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
247 	return change;
248 }
249 
250 /*
251  * ALS4000 mono recording control switch
252  */
253 
254 static int snd_als4k_mono_capture_route_info(struct snd_kcontrol *kcontrol,
255 					     struct snd_ctl_elem_info *uinfo)
256 {
257 	static const char * const texts[3] = {
258 		"L chan only", "R chan only", "L ch/2 + R ch/2"
259 	};
260 
261 	return snd_ctl_enum_info(uinfo, 1, 3, texts);
262 }
263 
264 static int snd_als4k_mono_capture_route_get(struct snd_kcontrol *kcontrol,
265 				struct snd_ctl_elem_value *ucontrol)
266 {
267 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
268 	unsigned long flags;
269 	unsigned char oval;
270 
271 	spin_lock_irqsave(&sb->mixer_lock, flags);
272 	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
273 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
274 	oval >>= 6;
275 	if (oval > 2)
276 		oval = 2;
277 
278 	ucontrol->value.enumerated.item[0] = oval;
279 	return 0;
280 }
281 
282 static int snd_als4k_mono_capture_route_put(struct snd_kcontrol *kcontrol,
283 				struct snd_ctl_elem_value *ucontrol)
284 {
285 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
286 	unsigned long flags;
287 	int change;
288 	unsigned char nval, oval;
289 
290 	if (ucontrol->value.enumerated.item[0] > 2)
291 		return -EINVAL;
292 	spin_lock_irqsave(&sb->mixer_lock, flags);
293 	oval = snd_sbmixer_read(sb, SB_ALS4000_MONO_IO_CTRL);
294 
295 	nval = (oval & ~(3 << 6))
296 	     | (ucontrol->value.enumerated.item[0] << 6);
297 	change = nval != oval;
298 	if (change)
299 		snd_sbmixer_write(sb, SB_ALS4000_MONO_IO_CTRL, nval);
300 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
301 	return change;
302 }
303 
304 /*
305  * SBPRO input multiplexer
306  */
307 
308 static int snd_sb8mixer_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
309 {
310 	static const char * const texts[3] = {
311 		"Mic", "CD", "Line"
312 	};
313 
314 	return snd_ctl_enum_info(uinfo, 1, 3, texts);
315 }
316 
317 
318 static int snd_sb8mixer_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
319 {
320 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
321 	unsigned long flags;
322 	unsigned char oval;
323 
324 	spin_lock_irqsave(&sb->mixer_lock, flags);
325 	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
326 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
327 	switch ((oval >> 0x01) & 0x03) {
328 	case SB_DSP_MIXS_CD:
329 		ucontrol->value.enumerated.item[0] = 1;
330 		break;
331 	case SB_DSP_MIXS_LINE:
332 		ucontrol->value.enumerated.item[0] = 2;
333 		break;
334 	default:
335 		ucontrol->value.enumerated.item[0] = 0;
336 		break;
337 	}
338 	return 0;
339 }
340 
341 static int snd_sb8mixer_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
342 {
343 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
344 	unsigned long flags;
345 	int change;
346 	unsigned char nval, oval;
347 
348 	if (ucontrol->value.enumerated.item[0] > 2)
349 		return -EINVAL;
350 	switch (ucontrol->value.enumerated.item[0]) {
351 	case 1:
352 		nval = SB_DSP_MIXS_CD;
353 		break;
354 	case 2:
355 		nval = SB_DSP_MIXS_LINE;
356 		break;
357 	default:
358 		nval = SB_DSP_MIXS_MIC;
359 	}
360 	nval <<= 1;
361 	spin_lock_irqsave(&sb->mixer_lock, flags);
362 	oval = snd_sbmixer_read(sb, SB_DSP_CAPTURE_SOURCE);
363 	nval |= oval & ~0x06;
364 	change = nval != oval;
365 	if (change)
366 		snd_sbmixer_write(sb, SB_DSP_CAPTURE_SOURCE, nval);
367 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
368 	return change;
369 }
370 
371 /*
372  * SB16 input switch
373  */
374 
375 static int snd_sb16mixer_info_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
376 {
377 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
378 	uinfo->count = 4;
379 	uinfo->value.integer.min = 0;
380 	uinfo->value.integer.max = 1;
381 	return 0;
382 }
383 
384 static int snd_sb16mixer_get_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
385 {
386 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
387 	unsigned long flags;
388 	int reg1 = kcontrol->private_value & 0xff;
389 	int reg2 = (kcontrol->private_value >> 8) & 0xff;
390 	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
391 	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
392 	unsigned char val1, val2;
393 
394 	spin_lock_irqsave(&sb->mixer_lock, flags);
395 	val1 = snd_sbmixer_read(sb, reg1);
396 	val2 = snd_sbmixer_read(sb, reg2);
397 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
398 	ucontrol->value.integer.value[0] = (val1 >> left_shift) & 0x01;
399 	ucontrol->value.integer.value[1] = (val2 >> left_shift) & 0x01;
400 	ucontrol->value.integer.value[2] = (val1 >> right_shift) & 0x01;
401 	ucontrol->value.integer.value[3] = (val2 >> right_shift) & 0x01;
402 	return 0;
403 }
404 
405 static int snd_sb16mixer_put_input_sw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
406 {
407 	struct snd_sb *sb = snd_kcontrol_chip(kcontrol);
408 	unsigned long flags;
409 	int reg1 = kcontrol->private_value & 0xff;
410 	int reg2 = (kcontrol->private_value >> 8) & 0xff;
411 	int left_shift = (kcontrol->private_value >> 16) & 0x0f;
412 	int right_shift = (kcontrol->private_value >> 24) & 0x0f;
413 	int change;
414 	unsigned char val1, val2, oval1, oval2;
415 
416 	spin_lock_irqsave(&sb->mixer_lock, flags);
417 	oval1 = snd_sbmixer_read(sb, reg1);
418 	oval2 = snd_sbmixer_read(sb, reg2);
419 	val1 = oval1 & ~((1 << left_shift) | (1 << right_shift));
420 	val2 = oval2 & ~((1 << left_shift) | (1 << right_shift));
421 	val1 |= (ucontrol->value.integer.value[0] & 1) << left_shift;
422 	val2 |= (ucontrol->value.integer.value[1] & 1) << left_shift;
423 	val1 |= (ucontrol->value.integer.value[2] & 1) << right_shift;
424 	val2 |= (ucontrol->value.integer.value[3] & 1) << right_shift;
425 	change = val1 != oval1 || val2 != oval2;
426 	if (change) {
427 		snd_sbmixer_write(sb, reg1, val1);
428 		snd_sbmixer_write(sb, reg2, val2);
429 	}
430 	spin_unlock_irqrestore(&sb->mixer_lock, flags);
431 	return change;
432 }
433 
434 
435 /*
436  */
437 /*
438  */
439 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value)
440 {
441 	static const struct snd_kcontrol_new newctls[] = {
442 		[SB_MIX_SINGLE] = {
443 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
444 			.info = snd_sbmixer_info_single,
445 			.get = snd_sbmixer_get_single,
446 			.put = snd_sbmixer_put_single,
447 		},
448 		[SB_MIX_DOUBLE] = {
449 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
450 			.info = snd_sbmixer_info_double,
451 			.get = snd_sbmixer_get_double,
452 			.put = snd_sbmixer_put_double,
453 		},
454 		[SB_MIX_INPUT_SW] = {
455 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
456 			.info = snd_sb16mixer_info_input_sw,
457 			.get = snd_sb16mixer_get_input_sw,
458 			.put = snd_sb16mixer_put_input_sw,
459 		},
460 		[SB_MIX_CAPTURE_PRO] = {
461 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
462 			.info = snd_sb8mixer_info_mux,
463 			.get = snd_sb8mixer_get_mux,
464 			.put = snd_sb8mixer_put_mux,
465 		},
466 		[SB_MIX_CAPTURE_DT019X] = {
467 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
468 			.info = snd_dt019x_input_sw_info,
469 			.get = snd_dt019x_input_sw_get,
470 			.put = snd_dt019x_input_sw_put,
471 		},
472 		[SB_MIX_MONO_CAPTURE_ALS4K] = {
473 			.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
474 			.info = snd_als4k_mono_capture_route_info,
475 			.get = snd_als4k_mono_capture_route_get,
476 			.put = snd_als4k_mono_capture_route_put,
477 		},
478 	};
479 	struct snd_kcontrol *ctl;
480 	int err;
481 
482 	ctl = snd_ctl_new1(&newctls[type], chip);
483 	if (! ctl)
484 		return -ENOMEM;
485 	strlcpy(ctl->id.name, name, sizeof(ctl->id.name));
486 	ctl->id.index = index;
487 	ctl->private_value = value;
488 	if ((err = snd_ctl_add(chip->card, ctl)) < 0)
489 		return err;
490 	return 0;
491 }
492 
493 /*
494  * SB 2.0 specific mixer elements
495  */
496 
497 static const struct sbmix_elem snd_sb20_controls[] = {
498 	SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
499 	SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
500 	SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
501 	SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
502 };
503 
504 static const unsigned char snd_sb20_init_values[][2] = {
505 	{ SB_DSP20_MASTER_DEV, 0 },
506 	{ SB_DSP20_FM_DEV, 0 },
507 };
508 
509 /*
510  * SB Pro specific mixer elements
511  */
512 static const struct sbmix_elem snd_sbpro_controls[] = {
513 	SB_DOUBLE("Master Playback Volume",
514 		  SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
515 	SB_DOUBLE("PCM Playback Volume",
516 		  SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
517 	SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
518 	SB_DOUBLE("Synth Playback Volume",
519 		  SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
520 	SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
521 	SB_DOUBLE("Line Playback Volume",
522 		  SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
523 	SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
524 	{
525 		.name = "Capture Source",
526 		.type = SB_MIX_CAPTURE_PRO
527 	},
528 	SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
529 	SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
530 };
531 
532 static const unsigned char snd_sbpro_init_values[][2] = {
533 	{ SB_DSP_MASTER_DEV, 0 },
534 	{ SB_DSP_PCM_DEV, 0 },
535 	{ SB_DSP_FM_DEV, 0 },
536 };
537 
538 /*
539  * SB16 specific mixer elements
540  */
541 static const struct sbmix_elem snd_sb16_controls[] = {
542 	SB_DOUBLE("Master Playback Volume",
543 		  SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
544 	SB_DOUBLE("PCM Playback Volume",
545 		  SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
546 	SB16_INPUT_SW("Synth Capture Route",
547 		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
548 	SB_DOUBLE("Synth Playback Volume",
549 		  SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
550 	SB16_INPUT_SW("CD Capture Route",
551 		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
552 	SB_DOUBLE("CD Playback Switch",
553 		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
554 	SB_DOUBLE("CD Playback Volume",
555 		  SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
556 	SB16_INPUT_SW("Mic Capture Route",
557 		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
558 	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
559 	SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
560 	SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
561 	SB_DOUBLE("Capture Volume",
562 		  SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
563 	SB_DOUBLE("Playback Volume",
564 		  SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
565 	SB16_INPUT_SW("Line Capture Route",
566 		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
567 	SB_DOUBLE("Line Playback Switch",
568 		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
569 	SB_DOUBLE("Line Playback Volume",
570 		  SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
571 	SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
572 	SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
573 	SB_DOUBLE("Tone Control - Bass",
574 		  SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
575 	SB_DOUBLE("Tone Control - Treble",
576 		  SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
577 };
578 
579 static const unsigned char snd_sb16_init_values[][2] = {
580 	{ SB_DSP4_MASTER_DEV + 0, 0 },
581 	{ SB_DSP4_MASTER_DEV + 1, 0 },
582 	{ SB_DSP4_PCM_DEV + 0, 0 },
583 	{ SB_DSP4_PCM_DEV + 1, 0 },
584 	{ SB_DSP4_SYNTH_DEV + 0, 0 },
585 	{ SB_DSP4_SYNTH_DEV + 1, 0 },
586 	{ SB_DSP4_INPUT_LEFT, 0 },
587 	{ SB_DSP4_INPUT_RIGHT, 0 },
588 	{ SB_DSP4_OUTPUT_SW, 0 },
589 	{ SB_DSP4_SPEAKER_DEV, 0 },
590 };
591 
592 /*
593  * DT019x specific mixer elements
594  */
595 static const struct sbmix_elem snd_dt019x_controls[] = {
596 	/* ALS4000 below has some parts which we might be lacking,
597 	 * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
598 	SB_DOUBLE("Master Playback Volume",
599 		  SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
600 	SB_DOUBLE("PCM Playback Switch",
601 		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
602 	SB_DOUBLE("PCM Playback Volume",
603 		  SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
604 	SB_DOUBLE("Synth Playback Switch",
605 		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
606 	SB_DOUBLE("Synth Playback Volume",
607 		  SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
608 	SB_DOUBLE("CD Playback Switch",
609 		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
610 	SB_DOUBLE("CD Playback Volume",
611 		  SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
612 	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
613 	SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
614 	SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
615 	SB_DOUBLE("Line Playback Switch",
616 		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
617 	SB_DOUBLE("Line Playback Volume",
618 		  SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
619 	{
620 		.name = "Capture Source",
621 		.type = SB_MIX_CAPTURE_DT019X
622 	}
623 };
624 
625 static const unsigned char snd_dt019x_init_values[][2] = {
626         { SB_DT019X_MASTER_DEV, 0 },
627         { SB_DT019X_PCM_DEV, 0 },
628         { SB_DT019X_SYNTH_DEV, 0 },
629         { SB_DT019X_CD_DEV, 0 },
630         { SB_DT019X_MIC_DEV, 0 },	/* Includes PC-speaker in high nibble */
631         { SB_DT019X_LINE_DEV, 0 },
632         { SB_DSP4_OUTPUT_SW, 0 },
633         { SB_DT019X_OUTPUT_SW2, 0 },
634         { SB_DT019X_CAPTURE_SW, 0x06 },
635 };
636 
637 /*
638  * ALS4000 specific mixer elements
639  */
640 static const struct sbmix_elem snd_als4000_controls[] = {
641 	SB_DOUBLE("PCM Playback Switch",
642 		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
643 	SB_DOUBLE("Synth Playback Switch",
644 		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
645 	SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
646 	SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
647 	{
648 		.name = "Master Mono Capture Route",
649 		.type = SB_MIX_MONO_CAPTURE_ALS4K
650 	},
651 	SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
652 	SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
653 	SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
654 	SB_SINGLE("Digital Loopback Switch",
655 		  SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
656 	/* FIXME: functionality of 3D controls might be swapped, I didn't find
657 	 * a description of how to identify what is supposed to be what */
658 	SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
659 	/* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
660 	SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
661 	/* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
662 	 * but what ALSA 3D attribute is that actually? "Center", "Depth",
663 	 * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
664 	SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
665 	SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
666 	SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
667 		  SB_ALS4000_FMDAC, 5, 0x01),
668 #ifdef NOT_AVAILABLE
669 	SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
670 	SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
671 #endif
672 };
673 
674 static const unsigned char snd_als4000_init_values[][2] = {
675 	{ SB_DSP4_MASTER_DEV + 0, 0 },
676 	{ SB_DSP4_MASTER_DEV + 1, 0 },
677 	{ SB_DSP4_PCM_DEV + 0, 0 },
678 	{ SB_DSP4_PCM_DEV + 1, 0 },
679 	{ SB_DSP4_SYNTH_DEV + 0, 0 },
680 	{ SB_DSP4_SYNTH_DEV + 1, 0 },
681 	{ SB_DSP4_SPEAKER_DEV, 0 },
682 	{ SB_DSP4_OUTPUT_SW, 0 },
683 	{ SB_DSP4_INPUT_LEFT, 0 },
684 	{ SB_DSP4_INPUT_RIGHT, 0 },
685 	{ SB_DT019X_OUTPUT_SW2, 0 },
686 	{ SB_ALS4000_MIC_IN_GAIN, 0 },
687 };
688 
689 /*
690  */
691 static int snd_sbmixer_init(struct snd_sb *chip,
692 			    const struct sbmix_elem *controls,
693 			    int controls_count,
694 			    const unsigned char map[][2],
695 			    int map_count,
696 			    char *name)
697 {
698 	unsigned long flags;
699 	struct snd_card *card = chip->card;
700 	int idx, err;
701 
702 	/* mixer reset */
703 	spin_lock_irqsave(&chip->mixer_lock, flags);
704 	snd_sbmixer_write(chip, 0x00, 0x00);
705 	spin_unlock_irqrestore(&chip->mixer_lock, flags);
706 
707 	/* mute and zero volume channels */
708 	for (idx = 0; idx < map_count; idx++) {
709 		spin_lock_irqsave(&chip->mixer_lock, flags);
710 		snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
711 		spin_unlock_irqrestore(&chip->mixer_lock, flags);
712 	}
713 
714 	for (idx = 0; idx < controls_count; idx++) {
715 		err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
716 		if (err < 0)
717 			return err;
718 	}
719 	snd_component_add(card, name);
720 	strcpy(card->mixername, name);
721 	return 0;
722 }
723 
724 int snd_sbmixer_new(struct snd_sb *chip)
725 {
726 	struct snd_card *card;
727 	int err;
728 
729 	if (snd_BUG_ON(!chip || !chip->card))
730 		return -EINVAL;
731 
732 	card = chip->card;
733 
734 	switch (chip->hardware) {
735 	case SB_HW_10:
736 		return 0; /* no mixer chip on SB1.x */
737 	case SB_HW_20:
738 	case SB_HW_201:
739 		if ((err = snd_sbmixer_init(chip,
740 					    snd_sb20_controls,
741 					    ARRAY_SIZE(snd_sb20_controls),
742 					    snd_sb20_init_values,
743 					    ARRAY_SIZE(snd_sb20_init_values),
744 					    "CTL1335")) < 0)
745 			return err;
746 		break;
747 	case SB_HW_PRO:
748 	case SB_HW_JAZZ16:
749 		if ((err = snd_sbmixer_init(chip,
750 					    snd_sbpro_controls,
751 					    ARRAY_SIZE(snd_sbpro_controls),
752 					    snd_sbpro_init_values,
753 					    ARRAY_SIZE(snd_sbpro_init_values),
754 					    "CTL1345")) < 0)
755 			return err;
756 		break;
757 	case SB_HW_16:
758 	case SB_HW_ALS100:
759 	case SB_HW_CS5530:
760 		if ((err = snd_sbmixer_init(chip,
761 					    snd_sb16_controls,
762 					    ARRAY_SIZE(snd_sb16_controls),
763 					    snd_sb16_init_values,
764 					    ARRAY_SIZE(snd_sb16_init_values),
765 					    "CTL1745")) < 0)
766 			return err;
767 		break;
768 	case SB_HW_ALS4000:
769 		/* use only the first 16 controls from SB16 */
770 		err = snd_sbmixer_init(chip,
771 					snd_sb16_controls,
772 					16,
773 					snd_sb16_init_values,
774 					ARRAY_SIZE(snd_sb16_init_values),
775 					"ALS4000");
776 		if (err < 0)
777 			return err;
778 		if ((err = snd_sbmixer_init(chip,
779 					    snd_als4000_controls,
780 					    ARRAY_SIZE(snd_als4000_controls),
781 					    snd_als4000_init_values,
782 					    ARRAY_SIZE(snd_als4000_init_values),
783 					    "ALS4000")) < 0)
784 			return err;
785 		break;
786 	case SB_HW_DT019X:
787 		err = snd_sbmixer_init(chip,
788 				       snd_dt019x_controls,
789 				       ARRAY_SIZE(snd_dt019x_controls),
790 				       snd_dt019x_init_values,
791 				       ARRAY_SIZE(snd_dt019x_init_values),
792 				       "DT019X");
793 		if (err < 0)
794 			return err;
795 		break;
796 	default:
797 		strcpy(card->mixername, "???");
798 	}
799 	return 0;
800 }
801 
802 #ifdef CONFIG_PM
803 static const unsigned char sb20_saved_regs[] = {
804 	SB_DSP20_MASTER_DEV,
805 	SB_DSP20_PCM_DEV,
806 	SB_DSP20_FM_DEV,
807 	SB_DSP20_CD_DEV,
808 };
809 
810 static const unsigned char sbpro_saved_regs[] = {
811 	SB_DSP_MASTER_DEV,
812 	SB_DSP_PCM_DEV,
813 	SB_DSP_PLAYBACK_FILT,
814 	SB_DSP_FM_DEV,
815 	SB_DSP_CD_DEV,
816 	SB_DSP_LINE_DEV,
817 	SB_DSP_MIC_DEV,
818 	SB_DSP_CAPTURE_SOURCE,
819 	SB_DSP_CAPTURE_FILT,
820 };
821 
822 static const unsigned char sb16_saved_regs[] = {
823 	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
824 	SB_DSP4_3DSE,
825 	SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
826 	SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
827 	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
828 	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
829 	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
830 	SB_DSP4_OUTPUT_SW,
831 	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
832 	SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
833 	SB_DSP4_MIC_DEV,
834 	SB_DSP4_SPEAKER_DEV,
835 	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
836 	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
837 	SB_DSP4_MIC_AGC
838 };
839 
840 static const unsigned char dt019x_saved_regs[] = {
841 	SB_DT019X_MASTER_DEV,
842 	SB_DT019X_PCM_DEV,
843 	SB_DT019X_SYNTH_DEV,
844 	SB_DT019X_CD_DEV,
845 	SB_DT019X_MIC_DEV,
846 	SB_DT019X_SPKR_DEV,
847 	SB_DT019X_LINE_DEV,
848 	SB_DSP4_OUTPUT_SW,
849 	SB_DT019X_OUTPUT_SW2,
850 	SB_DT019X_CAPTURE_SW,
851 };
852 
853 static const unsigned char als4000_saved_regs[] = {
854 	/* please verify in dsheet whether regs to be added
855 	   are actually real H/W or just dummy */
856 	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
857 	SB_DSP4_OUTPUT_SW,
858 	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
859 	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
860 	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
861 	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
862 	SB_DSP4_MIC_DEV,
863 	SB_DSP4_SPEAKER_DEV,
864 	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
865 	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
866 	SB_DT019X_OUTPUT_SW2,
867 	SB_ALS4000_MONO_IO_CTRL,
868 	SB_ALS4000_MIC_IN_GAIN,
869 	SB_ALS4000_FMDAC,
870 	SB_ALS4000_3D_SND_FX,
871 	SB_ALS4000_3D_TIME_DELAY,
872 	SB_ALS4000_CR3_CONFIGURATION,
873 };
874 
875 static void save_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
876 {
877 	unsigned char *val = chip->saved_regs;
878 	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
879 		return;
880 	for (; num_regs; num_regs--)
881 		*val++ = snd_sbmixer_read(chip, *regs++);
882 }
883 
884 static void restore_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
885 {
886 	unsigned char *val = chip->saved_regs;
887 	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
888 		return;
889 	for (; num_regs; num_regs--)
890 		snd_sbmixer_write(chip, *regs++, *val++);
891 }
892 
893 void snd_sbmixer_suspend(struct snd_sb *chip)
894 {
895 	switch (chip->hardware) {
896 	case SB_HW_20:
897 	case SB_HW_201:
898 		save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
899 		break;
900 	case SB_HW_PRO:
901 	case SB_HW_JAZZ16:
902 		save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
903 		break;
904 	case SB_HW_16:
905 	case SB_HW_ALS100:
906 	case SB_HW_CS5530:
907 		save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
908 		break;
909 	case SB_HW_ALS4000:
910 		save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
911 		break;
912 	case SB_HW_DT019X:
913 		save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
914 		break;
915 	default:
916 		break;
917 	}
918 }
919 
920 void snd_sbmixer_resume(struct snd_sb *chip)
921 {
922 	switch (chip->hardware) {
923 	case SB_HW_20:
924 	case SB_HW_201:
925 		restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
926 		break;
927 	case SB_HW_PRO:
928 	case SB_HW_JAZZ16:
929 		restore_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
930 		break;
931 	case SB_HW_16:
932 	case SB_HW_ALS100:
933 	case SB_HW_CS5530:
934 		restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
935 		break;
936 	case SB_HW_ALS4000:
937 		restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
938 		break;
939 	case SB_HW_DT019X:
940 		restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
941 		break;
942 	default:
943 		break;
944 	}
945 }
946 #endif
947