xref: /kernel/linux/linux-6.6/sound/isa/sb/sb_mixer.c (revision 62306a36)
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
16void 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
27unsigned 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
45static 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
56static 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
72static 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
97static 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
108static 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
128static 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
168static 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
177static 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
213static 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
254static 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
264static 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
282static 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
308static 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
318static 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
341static 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
375static 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
384static 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
405static 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 */
439int 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	strscpy(ctl->id.name, name, sizeof(ctl->id.name));
486	ctl->id.index = index;
487	ctl->private_value = value;
488	err = snd_ctl_add(chip->card, ctl);
489	if (err < 0)
490		return err;
491	return 0;
492}
493
494/*
495 * SB 2.0 specific mixer elements
496 */
497
498static const struct sbmix_elem snd_sb20_controls[] = {
499	SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
500	SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
501	SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
502	SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
503};
504
505static const unsigned char snd_sb20_init_values[][2] = {
506	{ SB_DSP20_MASTER_DEV, 0 },
507	{ SB_DSP20_FM_DEV, 0 },
508};
509
510/*
511 * SB Pro specific mixer elements
512 */
513static const struct sbmix_elem snd_sbpro_controls[] = {
514	SB_DOUBLE("Master Playback Volume",
515		  SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
516	SB_DOUBLE("PCM Playback Volume",
517		  SB_DSP_PCM_DEV, SB_DSP_PCM_DEV, 5, 1, 7),
518	SB_SINGLE("PCM Playback Filter", SB_DSP_PLAYBACK_FILT, 5, 1),
519	SB_DOUBLE("Synth Playback Volume",
520		  SB_DSP_FM_DEV, SB_DSP_FM_DEV, 5, 1, 7),
521	SB_DOUBLE("CD Playback Volume", SB_DSP_CD_DEV, SB_DSP_CD_DEV, 5, 1, 7),
522	SB_DOUBLE("Line Playback Volume",
523		  SB_DSP_LINE_DEV, SB_DSP_LINE_DEV, 5, 1, 7),
524	SB_SINGLE("Mic Playback Volume", SB_DSP_MIC_DEV, 1, 3),
525	{
526		.name = "Capture Source",
527		.type = SB_MIX_CAPTURE_PRO
528	},
529	SB_SINGLE("Capture Filter", SB_DSP_CAPTURE_FILT, 5, 1),
530	SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
531};
532
533static const unsigned char snd_sbpro_init_values[][2] = {
534	{ SB_DSP_MASTER_DEV, 0 },
535	{ SB_DSP_PCM_DEV, 0 },
536	{ SB_DSP_FM_DEV, 0 },
537};
538
539/*
540 * SB16 specific mixer elements
541 */
542static const struct sbmix_elem snd_sb16_controls[] = {
543	SB_DOUBLE("Master Playback Volume",
544		  SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
545	SB_DOUBLE("PCM Playback Volume",
546		  SB_DSP4_PCM_DEV, (SB_DSP4_PCM_DEV + 1), 3, 3, 31),
547	SB16_INPUT_SW("Synth Capture Route",
548		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 6, 5),
549	SB_DOUBLE("Synth Playback Volume",
550		  SB_DSP4_SYNTH_DEV, (SB_DSP4_SYNTH_DEV + 1), 3, 3, 31),
551	SB16_INPUT_SW("CD Capture Route",
552		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 2, 1),
553	SB_DOUBLE("CD Playback Switch",
554		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
555	SB_DOUBLE("CD Playback Volume",
556		  SB_DSP4_CD_DEV, (SB_DSP4_CD_DEV + 1), 3, 3, 31),
557	SB16_INPUT_SW("Mic Capture Route",
558		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0),
559	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
560	SB_SINGLE("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
561	SB_SINGLE("Beep Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
562	SB_DOUBLE("Capture Volume",
563		  SB_DSP4_IGAIN_DEV, (SB_DSP4_IGAIN_DEV + 1), 6, 6, 3),
564	SB_DOUBLE("Playback Volume",
565		  SB_DSP4_OGAIN_DEV, (SB_DSP4_OGAIN_DEV + 1), 6, 6, 3),
566	SB16_INPUT_SW("Line Capture Route",
567		      SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 4, 3),
568	SB_DOUBLE("Line Playback Switch",
569		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
570	SB_DOUBLE("Line Playback Volume",
571		  SB_DSP4_LINE_DEV, (SB_DSP4_LINE_DEV + 1), 3, 3, 31),
572	SB_SINGLE("Mic Auto Gain", SB_DSP4_MIC_AGC, 0, 1),
573	SB_SINGLE("3D Enhancement Switch", SB_DSP4_3DSE, 0, 1),
574	SB_DOUBLE("Tone Control - Bass",
575		  SB_DSP4_BASS_DEV, (SB_DSP4_BASS_DEV + 1), 4, 4, 15),
576	SB_DOUBLE("Tone Control - Treble",
577		  SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
578};
579
580static const unsigned char snd_sb16_init_values[][2] = {
581	{ SB_DSP4_MASTER_DEV + 0, 0 },
582	{ SB_DSP4_MASTER_DEV + 1, 0 },
583	{ SB_DSP4_PCM_DEV + 0, 0 },
584	{ SB_DSP4_PCM_DEV + 1, 0 },
585	{ SB_DSP4_SYNTH_DEV + 0, 0 },
586	{ SB_DSP4_SYNTH_DEV + 1, 0 },
587	{ SB_DSP4_INPUT_LEFT, 0 },
588	{ SB_DSP4_INPUT_RIGHT, 0 },
589	{ SB_DSP4_OUTPUT_SW, 0 },
590	{ SB_DSP4_SPEAKER_DEV, 0 },
591};
592
593/*
594 * DT019x specific mixer elements
595 */
596static const struct sbmix_elem snd_dt019x_controls[] = {
597	/* ALS4000 below has some parts which we might be lacking,
598	 * e.g. snd_als4000_ctl_mono_playback_switch - check it! */
599	SB_DOUBLE("Master Playback Volume",
600		  SB_DT019X_MASTER_DEV, SB_DT019X_MASTER_DEV, 4, 0, 15),
601	SB_DOUBLE("PCM Playback Switch",
602		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
603	SB_DOUBLE("PCM Playback Volume",
604		  SB_DT019X_PCM_DEV, SB_DT019X_PCM_DEV, 4, 0, 15),
605	SB_DOUBLE("Synth Playback Switch",
606		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
607	SB_DOUBLE("Synth Playback Volume",
608		  SB_DT019X_SYNTH_DEV, SB_DT019X_SYNTH_DEV, 4, 0, 15),
609	SB_DOUBLE("CD Playback Switch",
610		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 2, 1, 1),
611	SB_DOUBLE("CD Playback Volume",
612		  SB_DT019X_CD_DEV, SB_DT019X_CD_DEV, 4, 0, 15),
613	SB_SINGLE("Mic Playback Switch", SB_DSP4_OUTPUT_SW, 0, 1),
614	SB_SINGLE("Mic Playback Volume", SB_DT019X_MIC_DEV, 4, 7),
615	SB_SINGLE("Beep Volume", SB_DT019X_SPKR_DEV, 0,  7),
616	SB_DOUBLE("Line Playback Switch",
617		  SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, 4, 3, 1),
618	SB_DOUBLE("Line Playback Volume",
619		  SB_DT019X_LINE_DEV, SB_DT019X_LINE_DEV, 4, 0, 15),
620	{
621		.name = "Capture Source",
622		.type = SB_MIX_CAPTURE_DT019X
623	}
624};
625
626static const unsigned char snd_dt019x_init_values[][2] = {
627        { SB_DT019X_MASTER_DEV, 0 },
628        { SB_DT019X_PCM_DEV, 0 },
629        { SB_DT019X_SYNTH_DEV, 0 },
630        { SB_DT019X_CD_DEV, 0 },
631        { SB_DT019X_MIC_DEV, 0 },	/* Includes PC-speaker in high nibble */
632        { SB_DT019X_LINE_DEV, 0 },
633        { SB_DSP4_OUTPUT_SW, 0 },
634        { SB_DT019X_OUTPUT_SW2, 0 },
635        { SB_DT019X_CAPTURE_SW, 0x06 },
636};
637
638/*
639 * ALS4000 specific mixer elements
640 */
641static const struct sbmix_elem snd_als4000_controls[] = {
642	SB_DOUBLE("PCM Playback Switch",
643		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
644	SB_DOUBLE("Synth Playback Switch",
645		  SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 4, 3, 1),
646	SB_SINGLE("Mic Boost (+20dB)", SB_ALS4000_MIC_IN_GAIN, 0, 0x03),
647	SB_SINGLE("Master Mono Playback Switch", SB_ALS4000_MONO_IO_CTRL, 5, 1),
648	{
649		.name = "Master Mono Capture Route",
650		.type = SB_MIX_MONO_CAPTURE_ALS4K
651	},
652	SB_SINGLE("Mono Playback Switch", SB_DT019X_OUTPUT_SW2, 0, 1),
653	SB_SINGLE("Analog Loopback Switch", SB_ALS4000_MIC_IN_GAIN, 7, 0x01),
654	SB_SINGLE("3D Control - Switch", SB_ALS4000_3D_SND_FX, 6, 0x01),
655	SB_SINGLE("Digital Loopback Switch",
656		  SB_ALS4000_CR3_CONFIGURATION, 7, 0x01),
657	/* FIXME: functionality of 3D controls might be swapped, I didn't find
658	 * a description of how to identify what is supposed to be what */
659	SB_SINGLE("3D Control - Level", SB_ALS4000_3D_SND_FX, 0, 0x07),
660	/* FIXME: maybe there's actually some standard 3D ctrl name for it?? */
661	SB_SINGLE("3D Control - Freq", SB_ALS4000_3D_SND_FX, 4, 0x03),
662	/* FIXME: ALS4000a.pdf mentions BBD (Bucket Brigade Device) time delay,
663	 * but what ALSA 3D attribute is that actually? "Center", "Depth",
664	 * "Wide" or "Space" or even "Level"? Assuming "Wide" for now... */
665	SB_SINGLE("3D Control - Wide", SB_ALS4000_3D_TIME_DELAY, 0, 0x0f),
666	SB_SINGLE("3D PowerOff Switch", SB_ALS4000_3D_TIME_DELAY, 4, 0x01),
667	SB_SINGLE("Master Playback 8kHz / 20kHz LPF Switch",
668		  SB_ALS4000_FMDAC, 5, 0x01),
669#ifdef NOT_AVAILABLE
670	SB_SINGLE("FMDAC Switch (Option ?)", SB_ALS4000_FMDAC, 0, 0x01),
671	SB_SINGLE("QSound Mode", SB_ALS4000_QSOUND, 1, 0x1f),
672#endif
673};
674
675static const unsigned char snd_als4000_init_values[][2] = {
676	{ SB_DSP4_MASTER_DEV + 0, 0 },
677	{ SB_DSP4_MASTER_DEV + 1, 0 },
678	{ SB_DSP4_PCM_DEV + 0, 0 },
679	{ SB_DSP4_PCM_DEV + 1, 0 },
680	{ SB_DSP4_SYNTH_DEV + 0, 0 },
681	{ SB_DSP4_SYNTH_DEV + 1, 0 },
682	{ SB_DSP4_SPEAKER_DEV, 0 },
683	{ SB_DSP4_OUTPUT_SW, 0 },
684	{ SB_DSP4_INPUT_LEFT, 0 },
685	{ SB_DSP4_INPUT_RIGHT, 0 },
686	{ SB_DT019X_OUTPUT_SW2, 0 },
687	{ SB_ALS4000_MIC_IN_GAIN, 0 },
688};
689
690/*
691 */
692static int snd_sbmixer_init(struct snd_sb *chip,
693			    const struct sbmix_elem *controls,
694			    int controls_count,
695			    const unsigned char map[][2],
696			    int map_count,
697			    char *name)
698{
699	unsigned long flags;
700	struct snd_card *card = chip->card;
701	int idx, err;
702
703	/* mixer reset */
704	spin_lock_irqsave(&chip->mixer_lock, flags);
705	snd_sbmixer_write(chip, 0x00, 0x00);
706	spin_unlock_irqrestore(&chip->mixer_lock, flags);
707
708	/* mute and zero volume channels */
709	for (idx = 0; idx < map_count; idx++) {
710		spin_lock_irqsave(&chip->mixer_lock, flags);
711		snd_sbmixer_write(chip, map[idx][0], map[idx][1]);
712		spin_unlock_irqrestore(&chip->mixer_lock, flags);
713	}
714
715	for (idx = 0; idx < controls_count; idx++) {
716		err = snd_sbmixer_add_ctl_elem(chip, &controls[idx]);
717		if (err < 0)
718			return err;
719	}
720	snd_component_add(card, name);
721	strcpy(card->mixername, name);
722	return 0;
723}
724
725int snd_sbmixer_new(struct snd_sb *chip)
726{
727	struct snd_card *card;
728	int err;
729
730	if (snd_BUG_ON(!chip || !chip->card))
731		return -EINVAL;
732
733	card = chip->card;
734
735	switch (chip->hardware) {
736	case SB_HW_10:
737		return 0; /* no mixer chip on SB1.x */
738	case SB_HW_20:
739	case SB_HW_201:
740		err = snd_sbmixer_init(chip,
741				       snd_sb20_controls,
742				       ARRAY_SIZE(snd_sb20_controls),
743				       snd_sb20_init_values,
744				       ARRAY_SIZE(snd_sb20_init_values),
745				       "CTL1335");
746		if (err < 0)
747			return err;
748		break;
749	case SB_HW_PRO:
750	case SB_HW_JAZZ16:
751		err = snd_sbmixer_init(chip,
752				       snd_sbpro_controls,
753				       ARRAY_SIZE(snd_sbpro_controls),
754				       snd_sbpro_init_values,
755				       ARRAY_SIZE(snd_sbpro_init_values),
756				       "CTL1345");
757		if (err < 0)
758			return err;
759		break;
760	case SB_HW_16:
761	case SB_HW_ALS100:
762	case SB_HW_CS5530:
763		err = snd_sbmixer_init(chip,
764				       snd_sb16_controls,
765				       ARRAY_SIZE(snd_sb16_controls),
766				       snd_sb16_init_values,
767				       ARRAY_SIZE(snd_sb16_init_values),
768				       "CTL1745");
769		if (err < 0)
770			return err;
771		break;
772	case SB_HW_ALS4000:
773		/* use only the first 16 controls from SB16 */
774		err = snd_sbmixer_init(chip,
775					snd_sb16_controls,
776					16,
777					snd_sb16_init_values,
778					ARRAY_SIZE(snd_sb16_init_values),
779					"ALS4000");
780		if (err < 0)
781			return err;
782		err = snd_sbmixer_init(chip,
783				       snd_als4000_controls,
784				       ARRAY_SIZE(snd_als4000_controls),
785				       snd_als4000_init_values,
786				       ARRAY_SIZE(snd_als4000_init_values),
787				       "ALS4000");
788		if (err < 0)
789			return err;
790		break;
791	case SB_HW_DT019X:
792		err = snd_sbmixer_init(chip,
793				       snd_dt019x_controls,
794				       ARRAY_SIZE(snd_dt019x_controls),
795				       snd_dt019x_init_values,
796				       ARRAY_SIZE(snd_dt019x_init_values),
797				       "DT019X");
798		if (err < 0)
799			return err;
800		break;
801	default:
802		strcpy(card->mixername, "???");
803	}
804	return 0;
805}
806
807#ifdef CONFIG_PM
808static const unsigned char sb20_saved_regs[] = {
809	SB_DSP20_MASTER_DEV,
810	SB_DSP20_PCM_DEV,
811	SB_DSP20_FM_DEV,
812	SB_DSP20_CD_DEV,
813};
814
815static const unsigned char sbpro_saved_regs[] = {
816	SB_DSP_MASTER_DEV,
817	SB_DSP_PCM_DEV,
818	SB_DSP_PLAYBACK_FILT,
819	SB_DSP_FM_DEV,
820	SB_DSP_CD_DEV,
821	SB_DSP_LINE_DEV,
822	SB_DSP_MIC_DEV,
823	SB_DSP_CAPTURE_SOURCE,
824	SB_DSP_CAPTURE_FILT,
825};
826
827static const unsigned char sb16_saved_regs[] = {
828	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
829	SB_DSP4_3DSE,
830	SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
831	SB_DSP4_TREBLE_DEV, SB_DSP4_TREBLE_DEV + 1,
832	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
833	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
834	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
835	SB_DSP4_OUTPUT_SW,
836	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
837	SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
838	SB_DSP4_MIC_DEV,
839	SB_DSP4_SPEAKER_DEV,
840	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
841	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
842	SB_DSP4_MIC_AGC
843};
844
845static const unsigned char dt019x_saved_regs[] = {
846	SB_DT019X_MASTER_DEV,
847	SB_DT019X_PCM_DEV,
848	SB_DT019X_SYNTH_DEV,
849	SB_DT019X_CD_DEV,
850	SB_DT019X_MIC_DEV,
851	SB_DT019X_SPKR_DEV,
852	SB_DT019X_LINE_DEV,
853	SB_DSP4_OUTPUT_SW,
854	SB_DT019X_OUTPUT_SW2,
855	SB_DT019X_CAPTURE_SW,
856};
857
858static const unsigned char als4000_saved_regs[] = {
859	/* please verify in dsheet whether regs to be added
860	   are actually real H/W or just dummy */
861	SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
862	SB_DSP4_OUTPUT_SW,
863	SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
864	SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
865	SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
866	SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
867	SB_DSP4_MIC_DEV,
868	SB_DSP4_SPEAKER_DEV,
869	SB_DSP4_IGAIN_DEV, SB_DSP4_IGAIN_DEV + 1,
870	SB_DSP4_OGAIN_DEV, SB_DSP4_OGAIN_DEV + 1,
871	SB_DT019X_OUTPUT_SW2,
872	SB_ALS4000_MONO_IO_CTRL,
873	SB_ALS4000_MIC_IN_GAIN,
874	SB_ALS4000_FMDAC,
875	SB_ALS4000_3D_SND_FX,
876	SB_ALS4000_3D_TIME_DELAY,
877	SB_ALS4000_CR3_CONFIGURATION,
878};
879
880static void save_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
881{
882	unsigned char *val = chip->saved_regs;
883	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
884		return;
885	for (; num_regs; num_regs--)
886		*val++ = snd_sbmixer_read(chip, *regs++);
887}
888
889static void restore_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
890{
891	unsigned char *val = chip->saved_regs;
892	if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
893		return;
894	for (; num_regs; num_regs--)
895		snd_sbmixer_write(chip, *regs++, *val++);
896}
897
898void snd_sbmixer_suspend(struct snd_sb *chip)
899{
900	switch (chip->hardware) {
901	case SB_HW_20:
902	case SB_HW_201:
903		save_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
904		break;
905	case SB_HW_PRO:
906	case SB_HW_JAZZ16:
907		save_mixer(chip, sbpro_saved_regs, ARRAY_SIZE(sbpro_saved_regs));
908		break;
909	case SB_HW_16:
910	case SB_HW_ALS100:
911	case SB_HW_CS5530:
912		save_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
913		break;
914	case SB_HW_ALS4000:
915		save_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
916		break;
917	case SB_HW_DT019X:
918		save_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
919		break;
920	default:
921		break;
922	}
923}
924
925void snd_sbmixer_resume(struct snd_sb *chip)
926{
927	switch (chip->hardware) {
928	case SB_HW_20:
929	case SB_HW_201:
930		restore_mixer(chip, sb20_saved_regs, ARRAY_SIZE(sb20_saved_regs));
931		break;
932	case SB_HW_PRO:
933	case SB_HW_JAZZ16:
934		restore_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		restore_mixer(chip, sb16_saved_regs, ARRAY_SIZE(sb16_saved_regs));
940		break;
941	case SB_HW_ALS4000:
942		restore_mixer(chip, als4000_saved_regs, ARRAY_SIZE(als4000_saved_regs));
943		break;
944	case SB_HW_DT019X:
945		restore_mixer(chip, dt019x_saved_regs, ARRAY_SIZE(dt019x_saved_regs));
946		break;
947	default:
948		break;
949	}
950}
951#endif
952