xref: /openbmc/linux/sound/pci/lola/lola_mixer.c (revision 5ef12cb4)
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 	vfree(chip->mixer.array_saved);
112 }
113 
114 int lola_init_mixer_widget(struct lola *chip, int nid)
115 {
116 	unsigned int val;
117 	int err;
118 
119 	err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
120 	if (err < 0) {
121 		dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
122 		return err;
123 	}
124 
125 	if ((val & 0xfff00000) != 0x02f00000) { /* test SubType and Type */
126 		dev_dbg(chip->card->dev, "No valid mixer widget\n");
127 		return 0;
128 	}
129 
130 	chip->mixer.nid = nid;
131 	chip->mixer.caps = val;
132 	chip->mixer.array = (struct lola_mixer_array __iomem *)
133 		(chip->bar[BAR1].remap_addr + LOLA_BAR1_SOURCE_GAIN_ENABLE);
134 
135 	/* reserve memory to copy mixer data for sleep mode transitions */
136 	chip->mixer.array_saved = vmalloc(sizeof(struct lola_mixer_array));
137 
138 	/* mixer matrix sources are physical input data and play streams */
139 	chip->mixer.src_stream_outs = chip->pcm[PLAY].num_streams;
140 	chip->mixer.src_phys_ins = chip->pin[CAPT].num_pins;
141 
142 	/* mixer matrix destinations are record streams and physical output */
143 	chip->mixer.dest_stream_ins = chip->pcm[CAPT].num_streams;
144 	chip->mixer.dest_phys_outs = chip->pin[PLAY].num_pins;
145 
146 	/* mixer matrix may have unused areas between PhysIn and
147 	 * Play or Record and PhysOut zones
148 	 */
149 	chip->mixer.src_stream_out_ofs = chip->mixer.src_phys_ins +
150 		LOLA_MIXER_SRC_INPUT_PLAY_SEPARATION(val);
151 	chip->mixer.dest_phys_out_ofs = chip->mixer.dest_stream_ins +
152 		LOLA_MIXER_DEST_REC_OUTPUT_SEPARATION(val);
153 
154 	/* example : MixerMatrix of LoLa881 (LoLa16161 uses unused zones)
155 	 * +-+  0-------8------16-------8------16
156 	 * | |  |       |       |       |       |
157 	 * |s|  | INPUT |       | INPUT |       |
158 	 * | |->|  ->   |unused |  ->   |unused |
159 	 * |r|  |CAPTURE|       | OUTPUT|       |
160 	 * | |  |  MIX  |       |  MIX  |       |
161 	 * |c|  8--------------------------------
162 	 * | |  |       |       |       |       |
163 	 * | |  |       |       |       |       |
164 	 * |g|  |unused |unused |unused |unused |
165 	 * | |  |       |       |       |       |
166 	 * |a|  |       |       |       |       |
167 	 * | |  16-------------------------------
168 	 * |i|  |       |       |       |       |
169 	 * | |  | PLAYBK|       | PLAYBK|       |
170 	 * |n|->|  ->   |unused |  ->   |unused |
171 	 * | |  |CAPTURE|       | OUTPUT|       |
172 	 * | |  |  MIX  |       |  MIX  |       |
173 	 * |a|  8--------------------------------
174 	 * |r|  |       |       |       |       |
175 	 * |r|  |       |       |       |       |
176 	 * |a|  |unused |unused |unused |unused |
177 	 * |y|  |       |       |       |       |
178 	 * | |  |       |       |       |       |
179 	 * +++  16--|---------------|------------
180 	 *      +---V---------------V-----------+
181 	 *      |  dest_mix_gain_enable array   |
182 	 *      +-------------------------------+
183 	 */
184 	/* example : MixerMatrix of LoLa280
185 	 * +-+  0-------8-2
186 	 * | |  |       | |
187 	 * |s|  | INPUT | |     INPUT
188 	 * |r|->|  ->   | |      ->
189 	 * |c|  |CAPTURE| | <-  OUTPUT
190 	 * | |  |  MIX  | |      MIX
191 	 * |g|  8----------
192 	 * |a|  |       | |
193 	 * |i|  | PLAYBK| |     PLAYBACK
194 	 * |n|->|  ->   | |      ->
195 	 * | |  |CAPTURE| | <-  OUTPUT
196 	 * |a|  |  MIX  | |      MIX
197 	 * |r|  8---|----|-
198 	 * |r|  +---V----V-------------------+
199 	 * |a|  | dest_mix_gain_enable array |
200 	 * |y|  +----------------------------+
201 	 */
202 	if (chip->mixer.src_stream_out_ofs > MAX_AUDIO_INOUT_COUNT ||
203 	    chip->mixer.dest_phys_out_ofs > MAX_STREAM_IN_COUNT) {
204 		dev_err(chip->card->dev, "Invalid mixer widget size\n");
205 		return -EINVAL;
206 	}
207 
208 	chip->mixer.src_mask = ((1U << chip->mixer.src_phys_ins) - 1) |
209 		(((1U << chip->mixer.src_stream_outs) - 1)
210 		 << chip->mixer.src_stream_out_ofs);
211 	chip->mixer.dest_mask = ((1U << chip->mixer.dest_stream_ins) - 1) |
212 		(((1U << chip->mixer.dest_phys_outs) - 1)
213 		 << chip->mixer.dest_phys_out_ofs);
214 
215 	dev_dbg(chip->card->dev, "Mixer src_mask=%x, dest_mask=%x\n",
216 		    chip->mixer.src_mask, chip->mixer.dest_mask);
217 
218 	return 0;
219 }
220 
221 static int lola_mixer_set_src_gain(struct lola *chip, unsigned int id,
222 				   unsigned short gain, bool on)
223 {
224 	unsigned int oldval, val;
225 
226 	if (!(chip->mixer.src_mask & (1 << id)))
227 		return -EINVAL;
228 	oldval = val = readl(&chip->mixer.array->src_gain_enable);
229 	if (on)
230 		val |= (1 << id);
231 	else
232 		val &= ~(1 << id);
233 	/* test if values unchanged */
234 	if ((val == oldval) &&
235 	    (gain == readw(&chip->mixer.array->src_gain[id])))
236 		return 0;
237 
238 	dev_dbg(chip->card->dev,
239 		"lola_mixer_set_src_gain (id=%d, gain=%d) enable=%x\n",
240 			id, gain, val);
241 	writew(gain, &chip->mixer.array->src_gain[id]);
242 	writel(val, &chip->mixer.array->src_gain_enable);
243 	lola_codec_flush(chip);
244 	/* inform micro-controller about the new source gain */
245 	return lola_codec_write(chip, chip->mixer.nid,
246 				LOLA_VERB_SET_SOURCE_GAIN, id, 0);
247 }
248 
249 #if 0 /* not used */
250 static int lola_mixer_set_src_gains(struct lola *chip, unsigned int mask,
251 				    unsigned short *gains)
252 {
253 	int i;
254 
255 	if ((chip->mixer.src_mask & mask) != mask)
256 		return -EINVAL;
257 	for (i = 0; i < LOLA_MIXER_DIM; i++) {
258 		if (mask & (1 << i)) {
259 			writew(*gains, &chip->mixer.array->src_gain[i]);
260 			gains++;
261 		}
262 	}
263 	writel(mask, &chip->mixer.array->src_gain_enable);
264 	lola_codec_flush(chip);
265 	if (chip->mixer.caps & LOLA_PEAK_METER_CAN_AGC_MASK) {
266 		/* update for all srcs at once */
267 		return lola_codec_write(chip, chip->mixer.nid,
268 					LOLA_VERB_SET_SOURCE_GAIN, 0x80, 0);
269 	}
270 	/* update manually */
271 	for (i = 0; i < LOLA_MIXER_DIM; i++) {
272 		if (mask & (1 << i)) {
273 			lola_codec_write(chip, chip->mixer.nid,
274 					 LOLA_VERB_SET_SOURCE_GAIN, i, 0);
275 		}
276 	}
277 	return 0;
278 }
279 #endif /* not used */
280 
281 static int lola_mixer_set_mapping_gain(struct lola *chip,
282 				       unsigned int src, unsigned int dest,
283 				       unsigned short gain, bool on)
284 {
285 	unsigned int val;
286 
287 	if (!(chip->mixer.src_mask & (1 << src)) ||
288 	    !(chip->mixer.dest_mask & (1 << dest)))
289 		return -EINVAL;
290 	if (on)
291 		writew(gain, &chip->mixer.array->dest_mix_gain[dest][src]);
292 	val = readl(&chip->mixer.array->dest_mix_gain_enable[dest]);
293 	if (on)
294 		val |= (1 << src);
295 	else
296 		val &= ~(1 << src);
297 	writel(val, &chip->mixer.array->dest_mix_gain_enable[dest]);
298 	lola_codec_flush(chip);
299 	return lola_codec_write(chip, chip->mixer.nid, LOLA_VERB_SET_MIX_GAIN,
300 				src, dest);
301 }
302 
303 #if 0 /* not used */
304 static int lola_mixer_set_dest_gains(struct lola *chip, unsigned int id,
305 				     unsigned int mask, unsigned short *gains)
306 {
307 	int i;
308 
309 	if (!(chip->mixer.dest_mask & (1 << id)) ||
310 	    (chip->mixer.src_mask & mask) != mask)
311 		return -EINVAL;
312 	for (i = 0; i < LOLA_MIXER_DIM; i++) {
313 		if (mask & (1 << i)) {
314 			writew(*gains, &chip->mixer.array->dest_mix_gain[id][i]);
315 			gains++;
316 		}
317 	}
318 	writel(mask, &chip->mixer.array->dest_mix_gain_enable[id]);
319 	lola_codec_flush(chip);
320 	/* update for all dests at once */
321 	return lola_codec_write(chip, chip->mixer.nid,
322 				LOLA_VERB_SET_DESTINATION_GAIN, id, 0);
323 }
324 #endif /* not used */
325 
326 /*
327  */
328 
329 static int set_analog_volume(struct lola *chip, int dir,
330 			     unsigned int idx, unsigned int val,
331 			     bool external_call);
332 
333 int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute)
334 {
335 	struct lola_pin *pin;
336 	int idx, max_idx;
337 
338 	pin = chip->pin[dir].pins;
339 	max_idx = chip->pin[dir].num_pins;
340 	for (idx = 0; idx < max_idx; idx++) {
341 		if (pin[idx].is_analog) {
342 			unsigned int val = mute ? 0 : pin[idx].cur_gain_step;
343 			/* set volume and do not save the value */
344 			set_analog_volume(chip, dir, idx, val, false);
345 		}
346 	}
347 	return lola_codec_flush(chip);
348 }
349 
350 void lola_save_mixer(struct lola *chip)
351 {
352 	/* mute analog output */
353 	if (chip->mixer.array_saved) {
354 		/* store contents of mixer array */
355 		memcpy_fromio(chip->mixer.array_saved, chip->mixer.array,
356 			      sizeof(*chip->mixer.array));
357 	}
358 	lola_setup_all_analog_gains(chip, PLAY, true); /* output mute */
359 }
360 
361 void lola_restore_mixer(struct lola *chip)
362 {
363 	int i;
364 
365 	/*lola_reset_setups(chip);*/
366 	if (chip->mixer.array_saved) {
367 		/* restore contents of mixer array */
368 		memcpy_toio(chip->mixer.array, chip->mixer.array_saved,
369 			    sizeof(*chip->mixer.array));
370 		/* inform micro-controller about all restored values
371 		 * and ignore return values
372 		 */
373 		for (i = 0; i < chip->mixer.src_phys_ins; i++)
374 			lola_codec_write(chip, chip->mixer.nid,
375 					 LOLA_VERB_SET_SOURCE_GAIN,
376 					 i, 0);
377 		for (i = 0; i < chip->mixer.src_stream_outs; i++)
378 			lola_codec_write(chip, chip->mixer.nid,
379 					 LOLA_VERB_SET_SOURCE_GAIN,
380 					 chip->mixer.src_stream_out_ofs + i, 0);
381 		for (i = 0; i < chip->mixer.dest_stream_ins; i++)
382 			lola_codec_write(chip, chip->mixer.nid,
383 					 LOLA_VERB_SET_DESTINATION_GAIN,
384 					 i, 0);
385 		for (i = 0; i < chip->mixer.dest_phys_outs; i++)
386 			lola_codec_write(chip, chip->mixer.nid,
387 					 LOLA_VERB_SET_DESTINATION_GAIN,
388 					 chip->mixer.dest_phys_out_ofs + i, 0);
389 		lola_codec_flush(chip);
390 	}
391 }
392 
393 /*
394  */
395 
396 static int set_analog_volume(struct lola *chip, int dir,
397 			     unsigned int idx, unsigned int val,
398 			     bool external_call)
399 {
400 	struct lola_pin *pin;
401 	int err;
402 
403 	if (idx >= chip->pin[dir].num_pins)
404 		return -EINVAL;
405 	pin = &chip->pin[dir].pins[idx];
406 	if (!pin->is_analog || pin->amp_num_steps <= val)
407 		return -EINVAL;
408 	if (external_call && pin->cur_gain_step == val)
409 		return 0;
410 	if (external_call)
411 		lola_codec_flush(chip);
412 	dev_dbg(chip->card->dev,
413 		"set_analog_volume (dir=%d idx=%d, volume=%d)\n",
414 			dir, idx, val);
415 	err = lola_codec_write(chip, pin->nid,
416 			       LOLA_VERB_SET_AMP_GAIN_MUTE, val, 0);
417 	if (err < 0)
418 		return err;
419 	if (external_call)
420 		pin->cur_gain_step = val;
421 	return 0;
422 }
423 
424 int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update)
425 {
426 	int ret = 0;
427 	int success = 0;
428 	int n, err;
429 
430 	/* SRC can be activated and the dwInputSRCMask is valid? */
431 	if ((chip->input_src_caps_mask & src_mask) != src_mask)
432 		return -EINVAL;
433 	/* handle all even Inputs - SRC is a stereo setting !!! */
434 	for (n = 0; n < chip->pin[CAPT].num_pins; n += 2) {
435 		unsigned int mask = 3U << n; /* handle the stereo case */
436 		unsigned int new_src, src_state;
437 		if (!(chip->input_src_caps_mask & mask))
438 			continue;
439 		/* if one IO needs SRC, both stereo IO will get SRC */
440 		new_src = (src_mask & mask) != 0;
441 		if (update) {
442 			src_state = (chip->input_src_mask & mask) != 0;
443 			if (src_state == new_src)
444 				continue;   /* nothing to change for this IO */
445 		}
446 		err = lola_codec_write(chip, chip->pcm[CAPT].streams[n].nid,
447 				       LOLA_VERB_SET_SRC, new_src, 0);
448 		if (!err)
449 			success++;
450 		else
451 			ret = err;
452 	}
453 	if (success)
454 		ret = lola_codec_flush(chip);
455 	if (!ret)
456 		chip->input_src_mask = src_mask;
457 	return ret;
458 }
459 
460 /*
461  */
462 static int init_mixer_values(struct lola *chip)
463 {
464 	int i;
465 
466 	/* all sample rate converters on */
467 	lola_set_src_config(chip, (1 << chip->pin[CAPT].num_pins) - 1, false);
468 
469 	/* clear all mixer matrix settings */
470 	memset_io(chip->mixer.array, 0, sizeof(*chip->mixer.array));
471 	/* inform firmware about all updated matrix columns - capture part */
472 	for (i = 0; i < chip->mixer.dest_stream_ins; i++)
473 		lola_codec_write(chip, chip->mixer.nid,
474 				 LOLA_VERB_SET_DESTINATION_GAIN,
475 				 i, 0);
476 	/* inform firmware about all updated matrix columns - output part */
477 	for (i = 0; i < chip->mixer.dest_phys_outs; i++)
478 		lola_codec_write(chip, chip->mixer.nid,
479 				 LOLA_VERB_SET_DESTINATION_GAIN,
480 				 chip->mixer.dest_phys_out_ofs + i, 0);
481 
482 	/* set all digital input source (master) gains to 0dB */
483 	for (i = 0; i < chip->mixer.src_phys_ins; i++)
484 		lola_mixer_set_src_gain(chip, i, 336, true); /* 0dB */
485 
486 	/* set all digital playback source (master) gains to 0dB */
487 	for (i = 0; i < chip->mixer.src_stream_outs; i++)
488 		lola_mixer_set_src_gain(chip,
489 					i + chip->mixer.src_stream_out_ofs,
490 					336, true); /* 0dB */
491 	/* set gain value 0dB diagonally in matrix - part INPUT -> CAPTURE */
492 	for (i = 0; i < chip->mixer.dest_stream_ins; i++) {
493 		int src = i % chip->mixer.src_phys_ins;
494 		lola_mixer_set_mapping_gain(chip, src, i, 336, true);
495 	}
496 	/* set gain value 0dB diagonally in matrix , part PLAYBACK -> OUTPUT
497 	 * (LoLa280 : playback channel 0,2,4,6 linked to output channel 0)
498 	 * (LoLa280 : playback channel 1,3,5,7 linked to output channel 1)
499 	 */
500 	for (i = 0; i < chip->mixer.src_stream_outs; i++) {
501 		int src = chip->mixer.src_stream_out_ofs + i;
502 		int dst = chip->mixer.dest_phys_out_ofs +
503 			i % chip->mixer.dest_phys_outs;
504 		lola_mixer_set_mapping_gain(chip, src, dst, 336, true);
505 	}
506 	return 0;
507 }
508 
509 /*
510  * analog mixer control element
511  */
512 static int lola_analog_vol_info(struct snd_kcontrol *kcontrol,
513 				struct snd_ctl_elem_info *uinfo)
514 {
515 	struct lola *chip = snd_kcontrol_chip(kcontrol);
516 	int dir = kcontrol->private_value;
517 
518 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
519 	uinfo->count = chip->pin[dir].num_pins;
520 	uinfo->value.integer.min = 0;
521 	uinfo->value.integer.max = chip->pin[dir].pins[0].amp_num_steps;
522 	return 0;
523 }
524 
525 static int lola_analog_vol_get(struct snd_kcontrol *kcontrol,
526 			       struct snd_ctl_elem_value *ucontrol)
527 {
528 	struct lola *chip = snd_kcontrol_chip(kcontrol);
529 	int dir = kcontrol->private_value;
530 	int i;
531 
532 	for (i = 0; i < chip->pin[dir].num_pins; i++)
533 		ucontrol->value.integer.value[i] =
534 			chip->pin[dir].pins[i].cur_gain_step;
535 	return 0;
536 }
537 
538 static int lola_analog_vol_put(struct snd_kcontrol *kcontrol,
539 			       struct snd_ctl_elem_value *ucontrol)
540 {
541 	struct lola *chip = snd_kcontrol_chip(kcontrol);
542 	int dir = kcontrol->private_value;
543 	int i, err;
544 
545 	for (i = 0; i < chip->pin[dir].num_pins; i++) {
546 		err = set_analog_volume(chip, dir, i,
547 					ucontrol->value.integer.value[i],
548 					true);
549 		if (err < 0)
550 			return err;
551 	}
552 	return 0;
553 }
554 
555 static int lola_analog_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
556 			       unsigned int size, unsigned int __user *tlv)
557 {
558 	struct lola *chip = snd_kcontrol_chip(kcontrol);
559 	int dir = kcontrol->private_value;
560 	unsigned int val1, val2;
561 	struct lola_pin *pin;
562 
563 	if (size < 4 * sizeof(unsigned int))
564 		return -ENOMEM;
565 	pin = &chip->pin[dir].pins[0];
566 
567 	val2 = pin->amp_step_size * 25;
568 	val1 = -1 * (int)pin->amp_offset * (int)val2;
569 #ifdef TLV_DB_SCALE_MUTE
570 	val2 |= TLV_DB_SCALE_MUTE;
571 #endif
572 	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, tlv))
573 		return -EFAULT;
574 	if (put_user(2 * sizeof(unsigned int), tlv + 1))
575 		return -EFAULT;
576 	if (put_user(val1, tlv + 2))
577 		return -EFAULT;
578 	if (put_user(val2, tlv + 3))
579 		return -EFAULT;
580 	return 0;
581 }
582 
583 static struct snd_kcontrol_new lola_analog_mixer = {
584 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
585 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
586 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ |
587 		   SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK),
588 	.info = lola_analog_vol_info,
589 	.get = lola_analog_vol_get,
590 	.put = lola_analog_vol_put,
591 	.tlv.c = lola_analog_vol_tlv,
592 };
593 
594 static int create_analog_mixer(struct lola *chip, int dir, char *name)
595 {
596 	if (!chip->pin[dir].num_pins)
597 		return 0;
598 	/* no analog volumes on digital only adapters */
599 	if (chip->pin[dir].num_pins != chip->pin[dir].num_analog_pins)
600 		return 0;
601 	lola_analog_mixer.name = name;
602 	lola_analog_mixer.private_value = dir;
603 	return snd_ctl_add(chip->card,
604 			   snd_ctl_new1(&lola_analog_mixer, chip));
605 }
606 
607 /*
608  * Hardware sample rate converter on digital input
609  */
610 static int lola_input_src_info(struct snd_kcontrol *kcontrol,
611 			       struct snd_ctl_elem_info *uinfo)
612 {
613 	struct lola *chip = snd_kcontrol_chip(kcontrol);
614 
615 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
616 	uinfo->count = chip->pin[CAPT].num_pins;
617 	uinfo->value.integer.min = 0;
618 	uinfo->value.integer.max = 1;
619 	return 0;
620 }
621 
622 static int lola_input_src_get(struct snd_kcontrol *kcontrol,
623 			      struct snd_ctl_elem_value *ucontrol)
624 {
625 	struct lola *chip = snd_kcontrol_chip(kcontrol);
626 	int i;
627 
628 	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
629 		ucontrol->value.integer.value[i] =
630 			!!(chip->input_src_mask & (1 << i));
631 	return 0;
632 }
633 
634 static int lola_input_src_put(struct snd_kcontrol *kcontrol,
635 			      struct snd_ctl_elem_value *ucontrol)
636 {
637 	struct lola *chip = snd_kcontrol_chip(kcontrol);
638 	int i;
639 	unsigned int mask;
640 
641 	mask = 0;
642 	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
643 		if (ucontrol->value.integer.value[i])
644 			mask |= 1 << i;
645 	return lola_set_src_config(chip, mask, true);
646 }
647 
648 static const struct snd_kcontrol_new lola_input_src_mixer = {
649 	.name = "Digital SRC Capture Switch",
650 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
651 	.info = lola_input_src_info,
652 	.get = lola_input_src_get,
653 	.put = lola_input_src_put,
654 };
655 
656 /*
657  * Lola16161 or Lola881 can have Hardware sample rate converters
658  * on its digital input pins
659  */
660 static int create_input_src_mixer(struct lola *chip)
661 {
662 	if (!chip->input_src_caps_mask)
663 		return 0;
664 
665 	return snd_ctl_add(chip->card,
666 			   snd_ctl_new1(&lola_input_src_mixer, chip));
667 }
668 
669 /*
670  * src gain mixer
671  */
672 static int lola_src_gain_info(struct snd_kcontrol *kcontrol,
673 			      struct snd_ctl_elem_info *uinfo)
674 {
675 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
676 
677 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
678 	uinfo->count = count;
679 	uinfo->value.integer.min = 0;
680 	uinfo->value.integer.max = 409;
681 	return 0;
682 }
683 
684 static int lola_src_gain_get(struct snd_kcontrol *kcontrol,
685 			     struct snd_ctl_elem_value *ucontrol)
686 {
687 	struct lola *chip = snd_kcontrol_chip(kcontrol);
688 	unsigned int ofs = kcontrol->private_value & 0xff;
689 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
690 	unsigned int mask, i;
691 
692 	mask = readl(&chip->mixer.array->src_gain_enable);
693 	for (i = 0; i < count; i++) {
694 		unsigned int idx = ofs + i;
695 		unsigned short val;
696 		if (!(chip->mixer.src_mask & (1 << idx)))
697 			return -EINVAL;
698 		if (mask & (1 << idx))
699 			val = readw(&chip->mixer.array->src_gain[idx]) + 1;
700 		else
701 			val = 0;
702 		ucontrol->value.integer.value[i] = val;
703 	}
704 	return 0;
705 }
706 
707 static int lola_src_gain_put(struct snd_kcontrol *kcontrol,
708 			     struct snd_ctl_elem_value *ucontrol)
709 {
710 	struct lola *chip = snd_kcontrol_chip(kcontrol);
711 	unsigned int ofs = kcontrol->private_value & 0xff;
712 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
713 	int i, err;
714 
715 	for (i = 0; i < count; i++) {
716 		unsigned int idx = ofs + i;
717 		unsigned short val = ucontrol->value.integer.value[i];
718 		if (val)
719 			val--;
720 		err = lola_mixer_set_src_gain(chip, idx, val, !!val);
721 		if (err < 0)
722 			return err;
723 	}
724 	return 0;
725 }
726 
727 /* raw value: 0 = -84dB, 336 = 0dB, 408=18dB, incremented 1 for mute */
728 static const DECLARE_TLV_DB_SCALE(lola_src_gain_tlv, -8425, 25, 1);
729 
730 static struct snd_kcontrol_new lola_src_gain_mixer = {
731 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
732 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
733 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
734 	.info = lola_src_gain_info,
735 	.get = lola_src_gain_get,
736 	.put = lola_src_gain_put,
737 	.tlv.p = lola_src_gain_tlv,
738 };
739 
740 static int create_src_gain_mixer(struct lola *chip,
741 				 int num, int ofs, char *name)
742 {
743 	lola_src_gain_mixer.name = name;
744 	lola_src_gain_mixer.private_value = ofs + (num << 8);
745 	return snd_ctl_add(chip->card,
746 			   snd_ctl_new1(&lola_src_gain_mixer, chip));
747 }
748 
749 #if 0 /* not used */
750 /*
751  * destination gain (matrix-like) mixer
752  */
753 static int lola_dest_gain_info(struct snd_kcontrol *kcontrol,
754 			       struct snd_ctl_elem_info *uinfo)
755 {
756 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
757 
758 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
759 	uinfo->count = src_num;
760 	uinfo->value.integer.min = 0;
761 	uinfo->value.integer.max = 433;
762 	return 0;
763 }
764 
765 static int lola_dest_gain_get(struct snd_kcontrol *kcontrol,
766 			      struct snd_ctl_elem_value *ucontrol)
767 {
768 	struct lola *chip = snd_kcontrol_chip(kcontrol);
769 	unsigned int src_ofs = kcontrol->private_value & 0xff;
770 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
771 	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
772 	unsigned int dst, mask, i;
773 
774 	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
775 	mask = readl(&chip->mixer.array->dest_mix_gain_enable[dst]);
776 	for (i = 0; i < src_num; i++) {
777 		unsigned int src = src_ofs + i;
778 		unsigned short val;
779 		if (!(chip->mixer.src_mask & (1 << src)))
780 			return -EINVAL;
781 		if (mask & (1 << dst))
782 			val = readw(&chip->mixer.array->dest_mix_gain[dst][src]) + 1;
783 		else
784 			val = 0;
785 		ucontrol->value.integer.value[i] = val;
786 	}
787 	return 0;
788 }
789 
790 static int lola_dest_gain_put(struct snd_kcontrol *kcontrol,
791 			      struct snd_ctl_elem_value *ucontrol)
792 {
793 	struct lola *chip = snd_kcontrol_chip(kcontrol);
794 	unsigned int src_ofs = kcontrol->private_value & 0xff;
795 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
796 	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
797 	unsigned int dst, mask;
798 	unsigned short gains[MAX_STREAM_COUNT];
799 	int i, num;
800 
801 	mask = 0;
802 	num = 0;
803 	for (i = 0; i < src_num; i++) {
804 		unsigned short val = ucontrol->value.integer.value[i];
805 		if (val) {
806 			gains[num++] = val - 1;
807 			mask |= 1 << i;
808 		}
809 	}
810 	mask <<= src_ofs;
811 	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
812 	return lola_mixer_set_dest_gains(chip, dst, mask, gains);
813 }
814 
815 static const DECLARE_TLV_DB_SCALE(lola_dest_gain_tlv, -8425, 25, 1);
816 
817 static struct snd_kcontrol_new lola_dest_gain_mixer = {
818 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
819 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
820 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
821 	.info = lola_dest_gain_info,
822 	.get = lola_dest_gain_get,
823 	.put = lola_dest_gain_put,
824 	.tlv.p = lola_dest_gain_tlv,
825 };
826 
827 static int create_dest_gain_mixer(struct lola *chip,
828 				  int src_num, int src_ofs,
829 				  int num, int ofs, char *name)
830 {
831 	lola_dest_gain_mixer.count = num;
832 	lola_dest_gain_mixer.name = name;
833 	lola_dest_gain_mixer.private_value =
834 		src_ofs + (src_num << 8) + (ofs << 16) + (num << 24);
835 	return snd_ctl_add(chip->card,
836 			  snd_ctl_new1(&lola_dest_gain_mixer, chip));
837 }
838 #endif /* not used */
839 
840 /*
841  */
842 int lola_create_mixer(struct lola *chip)
843 {
844 	int err;
845 
846 	err = create_analog_mixer(chip, PLAY, "Analog Playback Volume");
847 	if (err < 0)
848 		return err;
849 	err = create_analog_mixer(chip, CAPT, "Analog Capture Volume");
850 	if (err < 0)
851 		return err;
852 	err = create_input_src_mixer(chip);
853 	if (err < 0)
854 		return err;
855 	err = create_src_gain_mixer(chip, chip->mixer.src_phys_ins, 0,
856 				    "Digital Capture Volume");
857 	if (err < 0)
858 		return err;
859 	err = create_src_gain_mixer(chip, chip->mixer.src_stream_outs,
860 				    chip->mixer.src_stream_out_ofs,
861 				    "Digital Playback Volume");
862 	if (err < 0)
863 		return err;
864 #if 0
865 /* FIXME: buggy mixer matrix handling */
866 	err = create_dest_gain_mixer(chip,
867 				     chip->mixer.src_phys_ins, 0,
868 				     chip->mixer.dest_stream_ins, 0,
869 				     "Line Capture Volume");
870 	if (err < 0)
871 		return err;
872 	err = create_dest_gain_mixer(chip,
873 				     chip->mixer.src_stream_outs,
874 				     chip->mixer.src_stream_out_ofs,
875 				     chip->mixer.dest_stream_ins, 0,
876 				     "Stream-Loopback Capture Volume");
877 	if (err < 0)
878 		return err;
879 	err = create_dest_gain_mixer(chip,
880 				     chip->mixer.src_phys_ins, 0,
881 				     chip->mixer.dest_phys_outs,
882 				     chip->mixer.dest_phys_out_ofs,
883 				     "Line-Loopback Playback Volume");
884 	if (err < 0)
885 		return err;
886 	err = create_dest_gain_mixer(chip,
887 				     chip->mixer.src_stream_outs,
888 				     chip->mixer.src_stream_out_ofs,
889 				     chip->mixer.dest_phys_outs,
890 				     chip->mixer.dest_phys_out_ofs,
891 				     "Stream Playback Volume");
892 	if (err < 0)
893 		return err;
894 #endif /* FIXME */
895 	return init_mixer_values(chip);
896 }
897