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

source code of linux/sound/isa/sb/sb_mixer.c