xref: /linux/sound/pci/lola/lola_mixer.c (revision cebeb0f1885fa93c44be5d4e0b9b640210ff088c)
1 /*
2  *  Support for Digigram Lola PCI-e boards
3  *
4  *  Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
5  *
6  *  This program is free software; you can redistribute it and/or modify it
7  *  under the terms of the GNU General Public License as published by the Free
8  *  Software Foundation; either version 2 of the License, or (at your option)
9  *  any later version.
10  *
11  *  This program is distributed in the hope that it will be useful, but WITHOUT
12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  *  more details.
15  *
16  *  You should have received a copy of the GNU General Public License along with
17  *  this program; if not, write to the Free Software Foundation, Inc., 59
18  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19  */
20 
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/vmalloc.h>
24 #include <linux/io.h>
25 #include <sound/core.h>
26 #include <sound/control.h>
27 #include <sound/pcm.h>
28 #include <sound/tlv.h>
29 #include "lola.h"
30 
31 static int lola_init_pin(struct lola *chip, struct lola_pin *pin,
32 			 int dir, int nid)
33 {
34 	unsigned int val;
35 	int err;
36 
37 	pin->nid = nid;
38 	err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
39 	if (err < 0) {
40 		dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
41 		return err;
42 	}
43 	val &= 0x00f00fff; /* test TYPE and bits 0..11 */
44 	if (val == 0x00400200)    /* Type = 4, Digital = 1 */
45 		pin->is_analog = false;
46 	else if (val == 0x0040000a && dir == CAPT) /* Dig=0, InAmp/ovrd */
47 		pin->is_analog = true;
48 	else if (val == 0x0040000c && dir == PLAY) /* Dig=0, OutAmp/ovrd */
49 		pin->is_analog = true;
50 	else {
51 		dev_err(chip->card->dev, "Invalid wcaps 0x%x for 0x%x\n", val, nid);
52 		return -EINVAL;
53 	}
54 
55 	/* analog parameters only following, so continue in case of Digital pin
56 	 */
57 	if (!pin->is_analog)
58 		return 0;
59 
60 	if (dir == PLAY)
61 		err = lola_read_param(chip, nid, LOLA_PAR_AMP_OUT_CAP, &val);
62 	else
63 		err = lola_read_param(chip, nid, LOLA_PAR_AMP_IN_CAP, &val);
64 	if (err < 0) {
65 		dev_err(chip->card->dev, "Can't read AMP-caps for 0x%x\n", nid);
66 		return err;
67 	}
68 
69 	pin->amp_mute = LOLA_AMP_MUTE_CAPABLE(val);
70 	pin->amp_step_size = LOLA_AMP_STEP_SIZE(val);
71 	pin->amp_num_steps = LOLA_AMP_NUM_STEPS(val);
72 	if (pin->amp_num_steps) {
73 		/* zero as mute state */
74 		pin->amp_num_steps++;
75 		pin->amp_step_size++;
76 	}
77 	pin->amp_offset = LOLA_AMP_OFFSET(val);
78 
79 	err = lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val,
80 			      NULL);
81 	if (err < 0) {
82 		dev_err(chip->card->dev, "Can't get MAX_LEVEL 0x%x\n", nid);
83 		return err;
84 	}
85 	pin->max_level = val & 0x3ff;   /* 10 bits */
86 
87 	pin->config_default_reg = 0;
88 	pin->fixed_gain_list_len = 0;
89 	pin->cur_gain_step = 0;
90 
91 	return 0;
92 }
93 
94 int lola_init_pins(struct lola *chip, int dir, int *nidp)
95 {
96 	int i, err, nid;
97 	nid = *nidp;
98 	for (i = 0; i < chip->pin[dir].num_pins; i++, nid++) {
99 		err = lola_init_pin(chip, &chip->pin[dir].pins[i], dir, nid);
100 		if (err < 0)
101 			return err;
102 		if (chip->pin[dir].pins[i].is_analog)
103 			chip->pin[dir].num_analog_pins++;
104 	}
105 	*nidp = nid;
106 	return 0;
107 }
108 
109 void lola_free_mixer(struct lola *chip)
110 {
111 	if (chip->mixer.array_saved)
112 		vfree(chip->mixer.array_saved);
113 }
114 
115 int lola_init_mixer_widget(struct lola *chip, int nid)
116 {
117 	unsigned int val;
118 	int err;
119 
120 	err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
121 	if (err < 0) {
122 		dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
123 		return err;
124 	}
125 
126 	if ((val & 0xfff00000) != 0x02f00000) { /* test SubType and Type */
127 		dev_dbg(chip->card->dev, "No valid mixer widget\n");
128 		return 0;
129 	}
130 
131 	chip->mixer.nid = nid;
132 	chip->mixer.caps = val;
133 	chip->mixer.array = (struct lola_mixer_array __iomem *)
134 		(chip->bar[BAR1].remap_addr + LOLA_BAR1_SOURCE_GAIN_ENABLE);
135 
136 	/* reserve memory to copy mixer data for sleep mode transitions */
137 	chip->mixer.array_saved = vmalloc(sizeof(struct lola_mixer_array));
138 
139 	/* mixer matrix sources are physical input data and play streams */
140 	chip->mixer.src_stream_outs = chip->pcm[PLAY].num_streams;
141 	chip->mixer.src_phys_ins = chip->pin[CAPT].num_pins;
142 
143 	/* mixer matrix destinations are record streams and physical output */
144 	chip->mixer.dest_stream_ins = chip->pcm[CAPT].num_streams;
145 	chip->mixer.dest_phys_outs = chip->pin[PLAY].num_pins;
146 
147 	/* mixer matrix may have unused areas between PhysIn and
148 	 * Play or Record and PhysOut zones
149 	 */
150 	chip->mixer.src_stream_out_ofs = chip->mixer.src_phys_ins +
151 		LOLA_MIXER_SRC_INPUT_PLAY_SEPARATION(val);
152 	chip->mixer.dest_phys_out_ofs = chip->mixer.dest_stream_ins +
153 		LOLA_MIXER_DEST_REC_OUTPUT_SEPARATION(val);
154 
155 	/* example : MixerMatrix of LoLa881 (LoLa16161 uses unused zones)
156 	 * +-+  0-------8------16-------8------16
157 	 * | |  |       |       |       |       |
158 	 * |s|  | INPUT |       | INPUT |       |
159 	 * | |->|  ->   |unused |  ->   |unused |
160 	 * |r|  |CAPTURE|       | OUTPUT|       |
161 	 * | |  |  MIX  |       |  MIX  |       |
162 	 * |c|  8--------------------------------
163 	 * | |  |       |       |       |       |
164 	 * | |  |       |       |       |       |
165 	 * |g|  |unused |unused |unused |unused |
166 	 * | |  |       |       |       |       |
167 	 * |a|  |       |       |       |       |
168 	 * | |  16-------------------------------
169 	 * |i|  |       |       |       |       |
170 	 * | |  | PLAYBK|       | PLAYBK|       |
171 	 * |n|->|  ->   |unused |  ->   |unused |
172 	 * | |  |CAPTURE|       | OUTPUT|       |
173 	 * | |  |  MIX  |       |  MIX  |       |
174 	 * |a|  8--------------------------------
175 	 * |r|  |       |       |       |       |
176 	 * |r|  |       |       |       |       |
177 	 * |a|  |unused |unused |unused |unused |
178 	 * |y|  |       |       |       |       |
179 	 * | |  |       |       |       |       |
180 	 * +++  16--|---------------|------------
181 	 *      +---V---------------V-----------+
182 	 *      |  dest_mix_gain_enable array   |
183 	 *      +-------------------------------+
184 	 */
185 	/* example : MixerMatrix of LoLa280
186 	 * +-+  0-------8-2
187 	 * | |  |       | |
188 	 * |s|  | INPUT | |     INPUT
189 	 * |r|->|  ->   | |      ->
190 	 * |c|  |CAPTURE| | <-  OUTPUT
191 	 * | |  |  MIX  | |      MIX
192 	 * |g|  8----------
193 	 * |a|  |       | |
194 	 * |i|  | PLAYBK| |     PLAYBACK
195 	 * |n|->|  ->   | |      ->
196 	 * | |  |CAPTURE| | <-  OUTPUT
197 	 * |a|  |  MIX  | |      MIX
198 	 * |r|  8---|----|-
199 	 * |r|  +---V----V-------------------+
200 	 * |a|  | dest_mix_gain_enable array |
201 	 * |y|  +----------------------------+
202 	 */
203 	if (chip->mixer.src_stream_out_ofs > MAX_AUDIO_INOUT_COUNT ||
204 	    chip->mixer.dest_phys_out_ofs > MAX_STREAM_IN_COUNT) {
205 		dev_err(chip->card->dev, "Invalid mixer widget size\n");
206 		return -EINVAL;
207 	}
208 
209 	chip->mixer.src_mask = ((1U << chip->mixer.src_phys_ins) - 1) |
210 		(((1U << chip->mixer.src_stream_outs) - 1)
211 		 << chip->mixer.src_stream_out_ofs);
212 	chip->mixer.dest_mask = ((1U << chip->mixer.dest_stream_ins) - 1) |
213 		(((1U << chip->mixer.dest_phys_outs) - 1)
214 		 << chip->mixer.dest_phys_out_ofs);
215 
216 	dev_dbg(chip->card->dev, "Mixer src_mask=%x, dest_mask=%x\n",
217 		    chip->mixer.src_mask, chip->mixer.dest_mask);
218 
219 	return 0;
220 }
221 
222 static int lola_mixer_set_src_gain(struct lola *chip, unsigned int id,
223 				   unsigned short gain, bool on)
224 {
225 	unsigned int oldval, val;
226 
227 	if (!(chip->mixer.src_mask & (1 << id)))
228 		return -EINVAL;
229 	oldval = val = readl(&chip->mixer.array->src_gain_enable);
230 	if (on)
231 		val |= (1 << id);
232 	else
233 		val &= ~(1 << id);
234 	/* test if values unchanged */
235 	if ((val == oldval) &&
236 	    (gain == readw(&chip->mixer.array->src_gain[id])))
237 		return 0;
238 
239 	dev_dbg(chip->card->dev,
240 		"lola_mixer_set_src_gain (id=%d, gain=%d) enable=%x\n",
241 			id, gain, val);
242 	writew(gain, &chip->mixer.array->src_gain[id]);
243 	writel(val, &chip->mixer.array->src_gain_enable);
244 	lola_codec_flush(chip);
245 	/* inform micro-controller about the new source gain */
246 	return lola_codec_write(chip, chip->mixer.nid,
247 				LOLA_VERB_SET_SOURCE_GAIN, id, 0);
248 }
249 
250 #if 0 /* not used */
251 static int lola_mixer_set_src_gains(struct lola *chip, unsigned int mask,
252 				    unsigned short *gains)
253 {
254 	int i;
255 
256 	if ((chip->mixer.src_mask & mask) != mask)
257 		return -EINVAL;
258 	for (i = 0; i < LOLA_MIXER_DIM; i++) {
259 		if (mask & (1 << i)) {
260 			writew(*gains, &chip->mixer.array->src_gain[i]);
261 			gains++;
262 		}
263 	}
264 	writel(mask, &chip->mixer.array->src_gain_enable);
265 	lola_codec_flush(chip);
266 	if (chip->mixer.caps & LOLA_PEAK_METER_CAN_AGC_MASK) {
267 		/* update for all srcs at once */
268 		return lola_codec_write(chip, chip->mixer.nid,
269 					LOLA_VERB_SET_SOURCE_GAIN, 0x80, 0);
270 	}
271 	/* update manually */
272 	for (i = 0; i < LOLA_MIXER_DIM; i++) {
273 		if (mask & (1 << i)) {
274 			lola_codec_write(chip, chip->mixer.nid,
275 					 LOLA_VERB_SET_SOURCE_GAIN, i, 0);
276 		}
277 	}
278 	return 0;
279 }
280 #endif /* not used */
281 
282 static int lola_mixer_set_mapping_gain(struct lola *chip,
283 				       unsigned int src, unsigned int dest,
284 				       unsigned short gain, bool on)
285 {
286 	unsigned int val;
287 
288 	if (!(chip->mixer.src_mask & (1 << src)) ||
289 	    !(chip->mixer.dest_mask & (1 << dest)))
290 		return -EINVAL;
291 	if (on)
292 		writew(gain, &chip->mixer.array->dest_mix_gain[dest][src]);
293 	val = readl(&chip->mixer.array->dest_mix_gain_enable[dest]);
294 	if (on)
295 		val |= (1 << src);
296 	else
297 		val &= ~(1 << src);
298 	writel(val, &chip->mixer.array->dest_mix_gain_enable[dest]);
299 	lola_codec_flush(chip);
300 	return lola_codec_write(chip, chip->mixer.nid, LOLA_VERB_SET_MIX_GAIN,
301 				src, dest);
302 }
303 
304 #if 0 /* not used */
305 static int lola_mixer_set_dest_gains(struct lola *chip, unsigned int id,
306 				     unsigned int mask, unsigned short *gains)
307 {
308 	int i;
309 
310 	if (!(chip->mixer.dest_mask & (1 << id)) ||
311 	    (chip->mixer.src_mask & mask) != mask)
312 		return -EINVAL;
313 	for (i = 0; i < LOLA_MIXER_DIM; i++) {
314 		if (mask & (1 << i)) {
315 			writew(*gains, &chip->mixer.array->dest_mix_gain[id][i]);
316 			gains++;
317 		}
318 	}
319 	writel(mask, &chip->mixer.array->dest_mix_gain_enable[id]);
320 	lola_codec_flush(chip);
321 	/* update for all dests at once */
322 	return lola_codec_write(chip, chip->mixer.nid,
323 				LOLA_VERB_SET_DESTINATION_GAIN, id, 0);
324 }
325 #endif /* not used */
326 
327 /*
328  */
329 
330 static int set_analog_volume(struct lola *chip, int dir,
331 			     unsigned int idx, unsigned int val,
332 			     bool external_call);
333 
334 int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute)
335 {
336 	struct lola_pin *pin;
337 	int idx, max_idx;
338 
339 	pin = chip->pin[dir].pins;
340 	max_idx = chip->pin[dir].num_pins;
341 	for (idx = 0; idx < max_idx; idx++) {
342 		if (pin[idx].is_analog) {
343 			unsigned int val = mute ? 0 : pin[idx].cur_gain_step;
344 			/* set volume and do not save the value */
345 			set_analog_volume(chip, dir, idx, val, false);
346 		}
347 	}
348 	return lola_codec_flush(chip);
349 }
350 
351 void lola_save_mixer(struct lola *chip)
352 {
353 	/* mute analog output */
354 	if (chip->mixer.array_saved) {
355 		/* store contents of mixer array */
356 		memcpy_fromio(chip->mixer.array_saved, chip->mixer.array,
357 			      sizeof(*chip->mixer.array));
358 	}
359 	lola_setup_all_analog_gains(chip, PLAY, true); /* output mute */
360 }
361 
362 void lola_restore_mixer(struct lola *chip)
363 {
364 	int i;
365 
366 	/*lola_reset_setups(chip);*/
367 	if (chip->mixer.array_saved) {
368 		/* restore contents of mixer array */
369 		memcpy_toio(chip->mixer.array, chip->mixer.array_saved,
370 			    sizeof(*chip->mixer.array));
371 		/* inform micro-controller about all restored values
372 		 * and ignore return values
373 		 */
374 		for (i = 0; i < chip->mixer.src_phys_ins; i++)
375 			lola_codec_write(chip, chip->mixer.nid,
376 					 LOLA_VERB_SET_SOURCE_GAIN,
377 					 i, 0);
378 		for (i = 0; i < chip->mixer.src_stream_outs; i++)
379 			lola_codec_write(chip, chip->mixer.nid,
380 					 LOLA_VERB_SET_SOURCE_GAIN,
381 					 chip->mixer.src_stream_out_ofs + i, 0);
382 		for (i = 0; i < chip->mixer.dest_stream_ins; i++)
383 			lola_codec_write(chip, chip->mixer.nid,
384 					 LOLA_VERB_SET_DESTINATION_GAIN,
385 					 i, 0);
386 		for (i = 0; i < chip->mixer.dest_phys_outs; i++)
387 			lola_codec_write(chip, chip->mixer.nid,
388 					 LOLA_VERB_SET_DESTINATION_GAIN,
389 					 chip->mixer.dest_phys_out_ofs + i, 0);
390 		lola_codec_flush(chip);
391 	}
392 }
393 
394 /*
395  */
396 
397 static int set_analog_volume(struct lola *chip, int dir,
398 			     unsigned int idx, unsigned int val,
399 			     bool external_call)
400 {
401 	struct lola_pin *pin;
402 	int err;
403 
404 	if (idx >= chip->pin[dir].num_pins)
405 		return -EINVAL;
406 	pin = &chip->pin[dir].pins[idx];
407 	if (!pin->is_analog || pin->amp_num_steps <= val)
408 		return -EINVAL;
409 	if (external_call && pin->cur_gain_step == val)
410 		return 0;
411 	if (external_call)
412 		lola_codec_flush(chip);
413 	dev_dbg(chip->card->dev,
414 		"set_analog_volume (dir=%d idx=%d, volume=%d)\n",
415 			dir, idx, val);
416 	err = lola_codec_write(chip, pin->nid,
417 			       LOLA_VERB_SET_AMP_GAIN_MUTE, val, 0);
418 	if (err < 0)
419 		return err;
420 	if (external_call)
421 		pin->cur_gain_step = val;
422 	return 0;
423 }
424 
425 int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update)
426 {
427 	int ret = 0;
428 	int success = 0;
429 	int n, err;
430 
431 	/* SRC can be activated and the dwInputSRCMask is valid? */
432 	if ((chip->input_src_caps_mask & src_mask) != src_mask)
433 		return -EINVAL;
434 	/* handle all even Inputs - SRC is a stereo setting !!! */
435 	for (n = 0; n < chip->pin[CAPT].num_pins; n += 2) {
436 		unsigned int mask = 3U << n; /* handle the stereo case */
437 		unsigned int new_src, src_state;
438 		if (!(chip->input_src_caps_mask & mask))
439 			continue;
440 		/* if one IO needs SRC, both stereo IO will get SRC */
441 		new_src = (src_mask & mask) != 0;
442 		if (update) {
443 			src_state = (chip->input_src_mask & mask) != 0;
444 			if (src_state == new_src)
445 				continue;   /* nothing to change for this IO */
446 		}
447 		err = lola_codec_write(chip, chip->pcm[CAPT].streams[n].nid,
448 				       LOLA_VERB_SET_SRC, new_src, 0);
449 		if (!err)
450 			success++;
451 		else
452 			ret = err;
453 	}
454 	if (success)
455 		ret = lola_codec_flush(chip);
456 	if (!ret)
457 		chip->input_src_mask = src_mask;
458 	return ret;
459 }
460 
461 /*
462  */
463 static int init_mixer_values(struct lola *chip)
464 {
465 	int i;
466 
467 	/* all sample rate converters on */
468 	lola_set_src_config(chip, (1 << chip->pin[CAPT].num_pins) - 1, false);
469 
470 	/* clear all mixer matrix settings */
471 	memset_io(chip->mixer.array, 0, sizeof(*chip->mixer.array));
472 	/* inform firmware about all updated matrix columns - capture part */
473 	for (i = 0; i < chip->mixer.dest_stream_ins; i++)
474 		lola_codec_write(chip, chip->mixer.nid,
475 				 LOLA_VERB_SET_DESTINATION_GAIN,
476 				 i, 0);
477 	/* inform firmware about all updated matrix columns - output part */
478 	for (i = 0; i < chip->mixer.dest_phys_outs; i++)
479 		lola_codec_write(chip, chip->mixer.nid,
480 				 LOLA_VERB_SET_DESTINATION_GAIN,
481 				 chip->mixer.dest_phys_out_ofs + i, 0);
482 
483 	/* set all digital input source (master) gains to 0dB */
484 	for (i = 0; i < chip->mixer.src_phys_ins; i++)
485 		lola_mixer_set_src_gain(chip, i, 336, true); /* 0dB */
486 
487 	/* set all digital playback source (master) gains to 0dB */
488 	for (i = 0; i < chip->mixer.src_stream_outs; i++)
489 		lola_mixer_set_src_gain(chip,
490 					i + chip->mixer.src_stream_out_ofs,
491 					336, true); /* 0dB */
492 	/* set gain value 0dB diagonally in matrix - part INPUT -> CAPTURE */
493 	for (i = 0; i < chip->mixer.dest_stream_ins; i++) {
494 		int src = i % chip->mixer.src_phys_ins;
495 		lola_mixer_set_mapping_gain(chip, src, i, 336, true);
496 	}
497 	/* set gain value 0dB diagonally in matrix , part PLAYBACK -> OUTPUT
498 	 * (LoLa280 : playback channel 0,2,4,6 linked to output channel 0)
499 	 * (LoLa280 : playback channel 1,3,5,7 linked to output channel 1)
500 	 */
501 	for (i = 0; i < chip->mixer.src_stream_outs; i++) {
502 		int src = chip->mixer.src_stream_out_ofs + i;
503 		int dst = chip->mixer.dest_phys_out_ofs +
504 			i % chip->mixer.dest_phys_outs;
505 		lola_mixer_set_mapping_gain(chip, src, dst, 336, true);
506 	}
507 	return 0;
508 }
509 
510 /*
511  * analog mixer control element
512  */
513 static int lola_analog_vol_info(struct snd_kcontrol *kcontrol,
514 				struct snd_ctl_elem_info *uinfo)
515 {
516 	struct lola *chip = snd_kcontrol_chip(kcontrol);
517 	int dir = kcontrol->private_value;
518 
519 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
520 	uinfo->count = chip->pin[dir].num_pins;
521 	uinfo->value.integer.min = 0;
522 	uinfo->value.integer.max = chip->pin[dir].pins[0].amp_num_steps;
523 	return 0;
524 }
525 
526 static int lola_analog_vol_get(struct snd_kcontrol *kcontrol,
527 			       struct snd_ctl_elem_value *ucontrol)
528 {
529 	struct lola *chip = snd_kcontrol_chip(kcontrol);
530 	int dir = kcontrol->private_value;
531 	int i;
532 
533 	for (i = 0; i < chip->pin[dir].num_pins; i++)
534 		ucontrol->value.integer.value[i] =
535 			chip->pin[dir].pins[i].cur_gain_step;
536 	return 0;
537 }
538 
539 static int lola_analog_vol_put(struct snd_kcontrol *kcontrol,
540 			       struct snd_ctl_elem_value *ucontrol)
541 {
542 	struct lola *chip = snd_kcontrol_chip(kcontrol);
543 	int dir = kcontrol->private_value;
544 	int i, err;
545 
546 	for (i = 0; i < chip->pin[dir].num_pins; i++) {
547 		err = set_analog_volume(chip, dir, i,
548 					ucontrol->value.integer.value[i],
549 					true);
550 		if (err < 0)
551 			return err;
552 	}
553 	return 0;
554 }
555 
556 static int lola_analog_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
557 			       unsigned int size, unsigned int __user *tlv)
558 {
559 	struct lola *chip = snd_kcontrol_chip(kcontrol);
560 	int dir = kcontrol->private_value;
561 	unsigned int val1, val2;
562 	struct lola_pin *pin;
563 
564 	if (size < 4 * sizeof(unsigned int))
565 		return -ENOMEM;
566 	pin = &chip->pin[dir].pins[0];
567 
568 	val2 = pin->amp_step_size * 25;
569 	val1 = -1 * (int)pin->amp_offset * (int)val2;
570 #ifdef TLV_DB_SCALE_MUTE
571 	val2 |= TLV_DB_SCALE_MUTE;
572 #endif
573 	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, tlv))
574 		return -EFAULT;
575 	if (put_user(2 * sizeof(unsigned int), tlv + 1))
576 		return -EFAULT;
577 	if (put_user(val1, tlv + 2))
578 		return -EFAULT;
579 	if (put_user(val2, tlv + 3))
580 		return -EFAULT;
581 	return 0;
582 }
583 
584 static struct snd_kcontrol_new lola_analog_mixer = {
585 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
586 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
587 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ |
588 		   SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK),
589 	.info = lola_analog_vol_info,
590 	.get = lola_analog_vol_get,
591 	.put = lola_analog_vol_put,
592 	.tlv.c = lola_analog_vol_tlv,
593 };
594 
595 static int create_analog_mixer(struct lola *chip, int dir, char *name)
596 {
597 	if (!chip->pin[dir].num_pins)
598 		return 0;
599 	/* no analog volumes on digital only adapters */
600 	if (chip->pin[dir].num_pins != chip->pin[dir].num_analog_pins)
601 		return 0;
602 	lola_analog_mixer.name = name;
603 	lola_analog_mixer.private_value = dir;
604 	return snd_ctl_add(chip->card,
605 			   snd_ctl_new1(&lola_analog_mixer, chip));
606 }
607 
608 /*
609  * Hardware sample rate converter on digital input
610  */
611 static int lola_input_src_info(struct snd_kcontrol *kcontrol,
612 			       struct snd_ctl_elem_info *uinfo)
613 {
614 	struct lola *chip = snd_kcontrol_chip(kcontrol);
615 
616 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
617 	uinfo->count = chip->pin[CAPT].num_pins;
618 	uinfo->value.integer.min = 0;
619 	uinfo->value.integer.max = 1;
620 	return 0;
621 }
622 
623 static int lola_input_src_get(struct snd_kcontrol *kcontrol,
624 			      struct snd_ctl_elem_value *ucontrol)
625 {
626 	struct lola *chip = snd_kcontrol_chip(kcontrol);
627 	int i;
628 
629 	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
630 		ucontrol->value.integer.value[i] =
631 			!!(chip->input_src_mask & (1 << i));
632 	return 0;
633 }
634 
635 static int lola_input_src_put(struct snd_kcontrol *kcontrol,
636 			      struct snd_ctl_elem_value *ucontrol)
637 {
638 	struct lola *chip = snd_kcontrol_chip(kcontrol);
639 	int i;
640 	unsigned int mask;
641 
642 	mask = 0;
643 	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
644 		if (ucontrol->value.integer.value[i])
645 			mask |= 1 << i;
646 	return lola_set_src_config(chip, mask, true);
647 }
648 
649 static struct snd_kcontrol_new lola_input_src_mixer = {
650 	.name = "Digital SRC Capture Switch",
651 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
652 	.info = lola_input_src_info,
653 	.get = lola_input_src_get,
654 	.put = lola_input_src_put,
655 };
656 
657 /*
658  * Lola16161 or Lola881 can have Hardware sample rate converters
659  * on its digital input pins
660  */
661 static int create_input_src_mixer(struct lola *chip)
662 {
663 	if (!chip->input_src_caps_mask)
664 		return 0;
665 
666 	return snd_ctl_add(chip->card,
667 			   snd_ctl_new1(&lola_input_src_mixer, chip));
668 }
669 
670 /*
671  * src gain mixer
672  */
673 static int lola_src_gain_info(struct snd_kcontrol *kcontrol,
674 			      struct snd_ctl_elem_info *uinfo)
675 {
676 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
677 
678 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
679 	uinfo->count = count;
680 	uinfo->value.integer.min = 0;
681 	uinfo->value.integer.max = 409;
682 	return 0;
683 }
684 
685 static int lola_src_gain_get(struct snd_kcontrol *kcontrol,
686 			     struct snd_ctl_elem_value *ucontrol)
687 {
688 	struct lola *chip = snd_kcontrol_chip(kcontrol);
689 	unsigned int ofs = kcontrol->private_value & 0xff;
690 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
691 	unsigned int mask, i;
692 
693 	mask = readl(&chip->mixer.array->src_gain_enable);
694 	for (i = 0; i < count; i++) {
695 		unsigned int idx = ofs + i;
696 		unsigned short val;
697 		if (!(chip->mixer.src_mask & (1 << idx)))
698 			return -EINVAL;
699 		if (mask & (1 << idx))
700 			val = readw(&chip->mixer.array->src_gain[idx]) + 1;
701 		else
702 			val = 0;
703 		ucontrol->value.integer.value[i] = val;
704 	}
705 	return 0;
706 }
707 
708 static int lola_src_gain_put(struct snd_kcontrol *kcontrol,
709 			     struct snd_ctl_elem_value *ucontrol)
710 {
711 	struct lola *chip = snd_kcontrol_chip(kcontrol);
712 	unsigned int ofs = kcontrol->private_value & 0xff;
713 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
714 	int i, err;
715 
716 	for (i = 0; i < count; i++) {
717 		unsigned int idx = ofs + i;
718 		unsigned short val = ucontrol->value.integer.value[i];
719 		if (val)
720 			val--;
721 		err = lola_mixer_set_src_gain(chip, idx, val, !!val);
722 		if (err < 0)
723 			return err;
724 	}
725 	return 0;
726 }
727 
728 /* raw value: 0 = -84dB, 336 = 0dB, 408=18dB, incremented 1 for mute */
729 static const DECLARE_TLV_DB_SCALE(lola_src_gain_tlv, -8425, 25, 1);
730 
731 static struct snd_kcontrol_new lola_src_gain_mixer = {
732 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
733 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
734 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
735 	.info = lola_src_gain_info,
736 	.get = lola_src_gain_get,
737 	.put = lola_src_gain_put,
738 	.tlv.p = lola_src_gain_tlv,
739 };
740 
741 static int create_src_gain_mixer(struct lola *chip,
742 				 int num, int ofs, char *name)
743 {
744 	lola_src_gain_mixer.name = name;
745 	lola_src_gain_mixer.private_value = ofs + (num << 8);
746 	return snd_ctl_add(chip->card,
747 			   snd_ctl_new1(&lola_src_gain_mixer, chip));
748 }
749 
750 #if 0 /* not used */
751 /*
752  * destination gain (matrix-like) mixer
753  */
754 static int lola_dest_gain_info(struct snd_kcontrol *kcontrol,
755 			       struct snd_ctl_elem_info *uinfo)
756 {
757 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
758 
759 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
760 	uinfo->count = src_num;
761 	uinfo->value.integer.min = 0;
762 	uinfo->value.integer.max = 433;
763 	return 0;
764 }
765 
766 static int lola_dest_gain_get(struct snd_kcontrol *kcontrol,
767 			      struct snd_ctl_elem_value *ucontrol)
768 {
769 	struct lola *chip = snd_kcontrol_chip(kcontrol);
770 	unsigned int src_ofs = kcontrol->private_value & 0xff;
771 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
772 	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
773 	unsigned int dst, mask, i;
774 
775 	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
776 	mask = readl(&chip->mixer.array->dest_mix_gain_enable[dst]);
777 	for (i = 0; i < src_num; i++) {
778 		unsigned int src = src_ofs + i;
779 		unsigned short val;
780 		if (!(chip->mixer.src_mask & (1 << src)))
781 			return -EINVAL;
782 		if (mask & (1 << dst))
783 			val = readw(&chip->mixer.array->dest_mix_gain[dst][src]) + 1;
784 		else
785 			val = 0;
786 		ucontrol->value.integer.value[i] = val;
787 	}
788 	return 0;
789 }
790 
791 static int lola_dest_gain_put(struct snd_kcontrol *kcontrol,
792 			      struct snd_ctl_elem_value *ucontrol)
793 {
794 	struct lola *chip = snd_kcontrol_chip(kcontrol);
795 	unsigned int src_ofs = kcontrol->private_value & 0xff;
796 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
797 	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
798 	unsigned int dst, mask;
799 	unsigned short gains[MAX_STREAM_COUNT];
800 	int i, num;
801 
802 	mask = 0;
803 	num = 0;
804 	for (i = 0; i < src_num; i++) {
805 		unsigned short val = ucontrol->value.integer.value[i];
806 		if (val) {
807 			gains[num++] = val - 1;
808 			mask |= 1 << i;
809 		}
810 	}
811 	mask <<= src_ofs;
812 	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
813 	return lola_mixer_set_dest_gains(chip, dst, mask, gains);
814 }
815 
816 static const DECLARE_TLV_DB_SCALE(lola_dest_gain_tlv, -8425, 25, 1);
817 
818 static struct snd_kcontrol_new lola_dest_gain_mixer = {
819 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
820 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
821 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
822 	.info = lola_dest_gain_info,
823 	.get = lola_dest_gain_get,
824 	.put = lola_dest_gain_put,
825 	.tlv.p = lola_dest_gain_tlv,
826 };
827 
828 static int create_dest_gain_mixer(struct lola *chip,
829 				  int src_num, int src_ofs,
830 				  int num, int ofs, char *name)
831 {
832 	lola_dest_gain_mixer.count = num;
833 	lola_dest_gain_mixer.name = name;
834 	lola_dest_gain_mixer.private_value =
835 		src_ofs + (src_num << 8) + (ofs << 16) + (num << 24);
836 	return snd_ctl_add(chip->card,
837 			  snd_ctl_new1(&lola_dest_gain_mixer, chip));
838 }
839 #endif /* not used */
840 
841 /*
842  */
843 int lola_create_mixer(struct lola *chip)
844 {
845 	int err;
846 
847 	err = create_analog_mixer(chip, PLAY, "Analog Playback Volume");
848 	if (err < 0)
849 		return err;
850 	err = create_analog_mixer(chip, CAPT, "Analog Capture Volume");
851 	if (err < 0)
852 		return err;
853 	err = create_input_src_mixer(chip);
854 	if (err < 0)
855 		return err;
856 	err = create_src_gain_mixer(chip, chip->mixer.src_phys_ins, 0,
857 				    "Digital Capture Volume");
858 	if (err < 0)
859 		return err;
860 	err = create_src_gain_mixer(chip, chip->mixer.src_stream_outs,
861 				    chip->mixer.src_stream_out_ofs,
862 				    "Digital Playback Volume");
863 	if (err < 0)
864 		return err;
865 #if 0
866 /* FIXME: buggy mixer matrix handling */
867 	err = create_dest_gain_mixer(chip,
868 				     chip->mixer.src_phys_ins, 0,
869 				     chip->mixer.dest_stream_ins, 0,
870 				     "Line Capture Volume");
871 	if (err < 0)
872 		return err;
873 	err = create_dest_gain_mixer(chip,
874 				     chip->mixer.src_stream_outs,
875 				     chip->mixer.src_stream_out_ofs,
876 				     chip->mixer.dest_stream_ins, 0,
877 				     "Stream-Loopback Capture Volume");
878 	if (err < 0)
879 		return err;
880 	err = create_dest_gain_mixer(chip,
881 				     chip->mixer.src_phys_ins, 0,
882 				     chip->mixer.dest_phys_outs,
883 				     chip->mixer.dest_phys_out_ofs,
884 				     "Line-Loopback Playback Volume");
885 	if (err < 0)
886 		return err;
887 	err = create_dest_gain_mixer(chip,
888 				     chip->mixer.src_stream_outs,
889 				     chip->mixer.src_stream_out_ofs,
890 				     chip->mixer.dest_phys_outs,
891 				     chip->mixer.dest_phys_out_ofs,
892 				     "Stream Playback Volume");
893 	if (err < 0)
894 		return err;
895 #endif /* FIXME */
896 	return init_mixer_values(chip);
897 }
898