xref: /openbmc/linux/sound/isa/sb/sb_mixer.c (revision 10dc8ad5)
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 
snd_sbmixer_write(struct snd_sb * chip,unsigned char reg,unsigned char data)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 
snd_sbmixer_read(struct snd_sb * chip,unsigned char reg)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 
snd_sbmixer_info_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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 
snd_sbmixer_get_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_sbmixer_put_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_sbmixer_info_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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 
snd_sbmixer_get_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_sbmixer_put_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_dt019x_input_sw_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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 
snd_dt019x_input_sw_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_dt019x_input_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_als4k_mono_capture_route_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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 
snd_als4k_mono_capture_route_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_als4k_mono_capture_route_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_sb8mixer_info_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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 
snd_sb8mixer_get_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_sb8mixer_put_mux(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_sb16mixer_info_input_sw(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)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 
snd_sb16mixer_get_input_sw(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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 
snd_sb16mixer_put_input_sw(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)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  */
snd_sbmixer_add_ctl(struct snd_sb * chip,const char * name,int index,int type,unsigned long value)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 	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 
498 static 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 
505 static 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  */
513 static 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 
533 static 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  */
542 static 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 
580 static 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  */
596 static 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 
626 static 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  */
641 static 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 
675 static 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  */
snd_sbmixer_init(struct snd_sb * chip,const struct sbmix_elem * controls,int controls_count,const unsigned char map[][2],int map_count,char * name)692 static 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 
snd_sbmixer_new(struct snd_sb * chip)725 int 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
808 static 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 
815 static 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 
827 static 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 
845 static 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 
858 static 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 
save_mixer(struct snd_sb * chip,const unsigned char * regs,int num_regs)880 static 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 
restore_mixer(struct snd_sb * chip,const unsigned char * regs,int num_regs)889 static 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 
snd_sbmixer_suspend(struct snd_sb * chip)898 void 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 
snd_sbmixer_resume(struct snd_sb * chip)925 void 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