xref: /linux/sound/pci/lola/lola_mixer.c (revision 60e13231561b3a4c5269bfa1ef6c0569ad6f28ec)
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 __devinit 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 		printk(KERN_ERR SFX "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 		printk(KERN_ERR SFX "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 		printk(KERN_ERR SFX "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 		printk(KERN_ERR SFX "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 __devinit 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 __devinit 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 		printk(KERN_ERR SFX "Can't read wcaps for 0x%x\n", nid);
123 		return err;
124 	}
125 
126 	if ((val & 0xfff00000) != 0x02f00000) { /* test SubType and Type */
127 		snd_printdd("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 		printk(KERN_ERR SFX "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 	snd_printdd("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 	snd_printdd("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 	snd_printdd("set_analog_volume (dir=%d idx=%d, volume=%d)\n",
413 			dir, idx, val);
414 	err = lola_codec_write(chip, pin->nid,
415 			       LOLA_VERB_SET_AMP_GAIN_MUTE, val, 0);
416 	if (err < 0)
417 		return err;
418 	if (external_call)
419 		pin->cur_gain_step = val;
420 	return 0;
421 }
422 
423 int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update)
424 {
425 	int ret = 0;
426 	int success = 0;
427 	int n, err;
428 
429 	/* SRC can be activated and the dwInputSRCMask is valid? */
430 	if ((chip->input_src_caps_mask & src_mask) != src_mask)
431 		return -EINVAL;
432 	/* handle all even Inputs - SRC is a stereo setting !!! */
433 	for (n = 0; n < chip->pin[CAPT].num_pins; n += 2) {
434 		unsigned int mask = 3U << n; /* handle the stereo case */
435 		unsigned int new_src, src_state;
436 		if (!(chip->input_src_caps_mask & mask))
437 			continue;
438 		/* if one IO needs SRC, both stereo IO will get SRC */
439 		new_src = (src_mask & mask) != 0;
440 		if (update) {
441 			src_state = (chip->input_src_mask & mask) != 0;
442 			if (src_state == new_src)
443 				continue;   /* nothing to change for this IO */
444 		}
445 		err = lola_codec_write(chip, chip->pcm[CAPT].streams[n].nid,
446 				       LOLA_VERB_SET_SRC, new_src, 0);
447 		if (!err)
448 			success++;
449 		else
450 			ret = err;
451 	}
452 	if (success)
453 		ret = lola_codec_flush(chip);
454 	if (!ret)
455 		chip->input_src_mask = src_mask;
456 	return ret;
457 }
458 
459 /*
460  */
461 static int init_mixer_values(struct lola *chip)
462 {
463 	int i;
464 
465 	/* all sample rate converters on */
466 	lola_set_src_config(chip, (1 << chip->pin[CAPT].num_pins) - 1, false);
467 
468 	/* clear all mixer matrix settings */
469 	memset_io(chip->mixer.array, 0, sizeof(*chip->mixer.array));
470 	/* inform firmware about all updated matrix columns - capture part */
471 	for (i = 0; i < chip->mixer.dest_stream_ins; i++)
472 		lola_codec_write(chip, chip->mixer.nid,
473 				 LOLA_VERB_SET_DESTINATION_GAIN,
474 				 i, 0);
475 	/* inform firmware about all updated matrix columns - output part */
476 	for (i = 0; i < chip->mixer.dest_phys_outs; i++)
477 		lola_codec_write(chip, chip->mixer.nid,
478 				 LOLA_VERB_SET_DESTINATION_GAIN,
479 				 chip->mixer.dest_phys_out_ofs + i, 0);
480 
481 	/* set all digital input source (master) gains to 0dB */
482 	for (i = 0; i < chip->mixer.src_phys_ins; i++)
483 		lola_mixer_set_src_gain(chip, i, 336, true); /* 0dB */
484 
485 	/* set all digital playback source (master) gains to 0dB */
486 	for (i = 0; i < chip->mixer.src_stream_outs; i++)
487 		lola_mixer_set_src_gain(chip,
488 					i + chip->mixer.src_stream_out_ofs,
489 					336, true); /* 0dB */
490 	/* set gain value 0dB diagonally in matrix - part INPUT -> CAPTURE */
491 	for (i = 0; i < chip->mixer.dest_stream_ins; i++) {
492 		int src = i % chip->mixer.src_phys_ins;
493 		lola_mixer_set_mapping_gain(chip, src, i, 336, true);
494 	}
495 	/* set gain value 0dB diagonally in matrix , part PLAYBACK -> OUTPUT
496 	 * (LoLa280 : playback channel 0,2,4,6 linked to output channel 0)
497 	 * (LoLa280 : playback channel 1,3,5,7 linked to output channel 1)
498 	 */
499 	for (i = 0; i < chip->mixer.src_stream_outs; i++) {
500 		int src = chip->mixer.src_stream_out_ofs + i;
501 		int dst = chip->mixer.dest_phys_out_ofs +
502 			i % chip->mixer.dest_phys_outs;
503 		lola_mixer_set_mapping_gain(chip, src, dst, 336, true);
504 	}
505 	return 0;
506 }
507 
508 /*
509  * analog mixer control element
510  */
511 static int lola_analog_vol_info(struct snd_kcontrol *kcontrol,
512 				struct snd_ctl_elem_info *uinfo)
513 {
514 	struct lola *chip = snd_kcontrol_chip(kcontrol);
515 	int dir = kcontrol->private_value;
516 
517 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
518 	uinfo->count = chip->pin[dir].num_pins;
519 	uinfo->value.integer.min = 0;
520 	uinfo->value.integer.max = chip->pin[dir].pins[0].amp_num_steps;
521 	return 0;
522 }
523 
524 static int lola_analog_vol_get(struct snd_kcontrol *kcontrol,
525 			       struct snd_ctl_elem_value *ucontrol)
526 {
527 	struct lola *chip = snd_kcontrol_chip(kcontrol);
528 	int dir = kcontrol->private_value;
529 	int i;
530 
531 	for (i = 0; i < chip->pin[dir].num_pins; i++)
532 		ucontrol->value.integer.value[i] =
533 			chip->pin[dir].pins[i].cur_gain_step;
534 	return 0;
535 }
536 
537 static int lola_analog_vol_put(struct snd_kcontrol *kcontrol,
538 			       struct snd_ctl_elem_value *ucontrol)
539 {
540 	struct lola *chip = snd_kcontrol_chip(kcontrol);
541 	int dir = kcontrol->private_value;
542 	int i, err;
543 
544 	for (i = 0; i < chip->pin[dir].num_pins; i++) {
545 		err = set_analog_volume(chip, dir, i,
546 					ucontrol->value.integer.value[i],
547 					true);
548 		if (err < 0)
549 			return err;
550 	}
551 	return 0;
552 }
553 
554 static int lola_analog_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
555 			       unsigned int size, unsigned int __user *tlv)
556 {
557 	struct lola *chip = snd_kcontrol_chip(kcontrol);
558 	int dir = kcontrol->private_value;
559 	unsigned int val1, val2;
560 	struct lola_pin *pin;
561 
562 	if (size < 4 * sizeof(unsigned int))
563 		return -ENOMEM;
564 	pin = &chip->pin[dir].pins[0];
565 
566 	val2 = pin->amp_step_size * 25;
567 	val1 = -1 * (int)pin->amp_offset * (int)val2;
568 #ifdef TLV_DB_SCALE_MUTE
569 	val2 |= TLV_DB_SCALE_MUTE;
570 #endif
571 	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, tlv))
572 		return -EFAULT;
573 	if (put_user(2 * sizeof(unsigned int), tlv + 1))
574 		return -EFAULT;
575 	if (put_user(val1, tlv + 2))
576 		return -EFAULT;
577 	if (put_user(val2, tlv + 3))
578 		return -EFAULT;
579 	return 0;
580 }
581 
582 static struct snd_kcontrol_new lola_analog_mixer __devinitdata = {
583 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
584 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
585 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ |
586 		   SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK),
587 	.info = lola_analog_vol_info,
588 	.get = lola_analog_vol_get,
589 	.put = lola_analog_vol_put,
590 	.tlv.c = lola_analog_vol_tlv,
591 };
592 
593 static int __devinit create_analog_mixer(struct lola *chip, int dir, char *name)
594 {
595 	if (!chip->pin[dir].num_pins)
596 		return 0;
597 	/* no analog volumes on digital only adapters */
598 	if (chip->pin[dir].num_pins != chip->pin[dir].num_analog_pins)
599 		return 0;
600 	lola_analog_mixer.name = name;
601 	lola_analog_mixer.private_value = dir;
602 	return snd_ctl_add(chip->card,
603 			   snd_ctl_new1(&lola_analog_mixer, chip));
604 }
605 
606 /*
607  * Hardware sample rate converter on digital input
608  */
609 static int lola_input_src_info(struct snd_kcontrol *kcontrol,
610 			       struct snd_ctl_elem_info *uinfo)
611 {
612 	struct lola *chip = snd_kcontrol_chip(kcontrol);
613 
614 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
615 	uinfo->count = chip->pin[CAPT].num_pins;
616 	uinfo->value.integer.min = 0;
617 	uinfo->value.integer.max = 1;
618 	return 0;
619 }
620 
621 static int lola_input_src_get(struct snd_kcontrol *kcontrol,
622 			      struct snd_ctl_elem_value *ucontrol)
623 {
624 	struct lola *chip = snd_kcontrol_chip(kcontrol);
625 	int i;
626 
627 	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
628 		ucontrol->value.integer.value[i] =
629 			!!(chip->input_src_mask & (1 << i));
630 	return 0;
631 }
632 
633 static int lola_input_src_put(struct snd_kcontrol *kcontrol,
634 			      struct snd_ctl_elem_value *ucontrol)
635 {
636 	struct lola *chip = snd_kcontrol_chip(kcontrol);
637 	int i;
638 	unsigned int mask;
639 
640 	mask = 0;
641 	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
642 		if (ucontrol->value.integer.value[i])
643 			mask |= 1 << i;
644 	return lola_set_src_config(chip, mask, true);
645 }
646 
647 static struct snd_kcontrol_new lola_input_src_mixer __devinitdata = {
648 	.name = "Digital SRC Capture Switch",
649 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
650 	.info = lola_input_src_info,
651 	.get = lola_input_src_get,
652 	.put = lola_input_src_put,
653 };
654 
655 /*
656  * Lola16161 or Lola881 can have Hardware sample rate converters
657  * on its digital input pins
658  */
659 static int __devinit create_input_src_mixer(struct lola *chip)
660 {
661 	if (!chip->input_src_caps_mask)
662 		return 0;
663 
664 	return snd_ctl_add(chip->card,
665 			   snd_ctl_new1(&lola_input_src_mixer, chip));
666 }
667 
668 /*
669  * src gain mixer
670  */
671 static int lola_src_gain_info(struct snd_kcontrol *kcontrol,
672 			      struct snd_ctl_elem_info *uinfo)
673 {
674 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
675 
676 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
677 	uinfo->count = count;
678 	uinfo->value.integer.min = 0;
679 	uinfo->value.integer.max = 409;
680 	return 0;
681 }
682 
683 static int lola_src_gain_get(struct snd_kcontrol *kcontrol,
684 			     struct snd_ctl_elem_value *ucontrol)
685 {
686 	struct lola *chip = snd_kcontrol_chip(kcontrol);
687 	unsigned int ofs = kcontrol->private_value & 0xff;
688 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
689 	unsigned int mask, i;
690 
691 	mask = readl(&chip->mixer.array->src_gain_enable);
692 	for (i = 0; i < count; i++) {
693 		unsigned int idx = ofs + i;
694 		unsigned short val;
695 		if (!(chip->mixer.src_mask & (1 << idx)))
696 			return -EINVAL;
697 		if (mask & (1 << idx))
698 			val = readw(&chip->mixer.array->src_gain[idx]) + 1;
699 		else
700 			val = 0;
701 		ucontrol->value.integer.value[i] = val;
702 	}
703 	return 0;
704 }
705 
706 static int lola_src_gain_put(struct snd_kcontrol *kcontrol,
707 			     struct snd_ctl_elem_value *ucontrol)
708 {
709 	struct lola *chip = snd_kcontrol_chip(kcontrol);
710 	unsigned int ofs = kcontrol->private_value & 0xff;
711 	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
712 	int i, err;
713 
714 	for (i = 0; i < count; i++) {
715 		unsigned int idx = ofs + i;
716 		unsigned short val = ucontrol->value.integer.value[i];
717 		if (val)
718 			val--;
719 		err = lola_mixer_set_src_gain(chip, idx, val, !!val);
720 		if (err < 0)
721 			return err;
722 	}
723 	return 0;
724 }
725 
726 /* raw value: 0 = -84dB, 336 = 0dB, 408=18dB, incremented 1 for mute */
727 static const DECLARE_TLV_DB_SCALE(lola_src_gain_tlv, -8425, 25, 1);
728 
729 static struct snd_kcontrol_new lola_src_gain_mixer __devinitdata = {
730 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
731 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
732 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
733 	.info = lola_src_gain_info,
734 	.get = lola_src_gain_get,
735 	.put = lola_src_gain_put,
736 	.tlv.p = lola_src_gain_tlv,
737 };
738 
739 static int __devinit create_src_gain_mixer(struct lola *chip,
740 					   int num, int ofs, char *name)
741 {
742 	lola_src_gain_mixer.name = name;
743 	lola_src_gain_mixer.private_value = ofs + (num << 8);
744 	return snd_ctl_add(chip->card,
745 			   snd_ctl_new1(&lola_src_gain_mixer, chip));
746 }
747 
748 #if 0 /* not used */
749 /*
750  * destination gain (matrix-like) mixer
751  */
752 static int lola_dest_gain_info(struct snd_kcontrol *kcontrol,
753 			       struct snd_ctl_elem_info *uinfo)
754 {
755 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
756 
757 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
758 	uinfo->count = src_num;
759 	uinfo->value.integer.min = 0;
760 	uinfo->value.integer.max = 433;
761 	return 0;
762 }
763 
764 static int lola_dest_gain_get(struct snd_kcontrol *kcontrol,
765 			      struct snd_ctl_elem_value *ucontrol)
766 {
767 	struct lola *chip = snd_kcontrol_chip(kcontrol);
768 	unsigned int src_ofs = kcontrol->private_value & 0xff;
769 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
770 	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
771 	unsigned int dst, mask, i;
772 
773 	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
774 	mask = readl(&chip->mixer.array->dest_mix_gain_enable[dst]);
775 	for (i = 0; i < src_num; i++) {
776 		unsigned int src = src_ofs + i;
777 		unsigned short val;
778 		if (!(chip->mixer.src_mask & (1 << src)))
779 			return -EINVAL;
780 		if (mask & (1 << dst))
781 			val = readw(&chip->mixer.array->dest_mix_gain[dst][src]) + 1;
782 		else
783 			val = 0;
784 		ucontrol->value.integer.value[i] = val;
785 	}
786 	return 0;
787 }
788 
789 static int lola_dest_gain_put(struct snd_kcontrol *kcontrol,
790 			      struct snd_ctl_elem_value *ucontrol)
791 {
792 	struct lola *chip = snd_kcontrol_chip(kcontrol);
793 	unsigned int src_ofs = kcontrol->private_value & 0xff;
794 	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
795 	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
796 	unsigned int dst, mask;
797 	unsigned short gains[MAX_STREAM_COUNT];
798 	int i, num;
799 
800 	mask = 0;
801 	num = 0;
802 	for (i = 0; i < src_num; i++) {
803 		unsigned short val = ucontrol->value.integer.value[i];
804 		if (val) {
805 			gains[num++] = val - 1;
806 			mask |= 1 << i;
807 		}
808 	}
809 	mask <<= src_ofs;
810 	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
811 	return lola_mixer_set_dest_gains(chip, dst, mask, gains);
812 }
813 
814 static const DECLARE_TLV_DB_SCALE(lola_dest_gain_tlv, -8425, 25, 1);
815 
816 static struct snd_kcontrol_new lola_dest_gain_mixer __devinitdata = {
817 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
818 	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
819 		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
820 	.info = lola_dest_gain_info,
821 	.get = lola_dest_gain_get,
822 	.put = lola_dest_gain_put,
823 	.tlv.p = lola_dest_gain_tlv,
824 };
825 
826 static int __devinit create_dest_gain_mixer(struct lola *chip,
827 					    int src_num, int src_ofs,
828 					    int num, int ofs, char *name)
829 {
830 	lola_dest_gain_mixer.count = num;
831 	lola_dest_gain_mixer.name = name;
832 	lola_dest_gain_mixer.private_value =
833 		src_ofs + (src_num << 8) + (ofs << 16) + (num << 24);
834 	return snd_ctl_add(chip->card,
835 			  snd_ctl_new1(&lola_dest_gain_mixer, chip));
836 }
837 #endif /* not used */
838 
839 /*
840  */
841 int __devinit lola_create_mixer(struct lola *chip)
842 {
843 	int err;
844 
845 	err = create_analog_mixer(chip, PLAY, "Analog Playback Volume");
846 	if (err < 0)
847 		return err;
848 	err = create_analog_mixer(chip, CAPT, "Analog Capture Volume");
849 	if (err < 0)
850 		return err;
851 	err = create_input_src_mixer(chip);
852 	if (err < 0)
853 		return err;
854 	err = create_src_gain_mixer(chip, chip->mixer.src_phys_ins, 0,
855 				    "Digital Capture Volume");
856 	if (err < 0)
857 		return err;
858 	err = create_src_gain_mixer(chip, chip->mixer.src_stream_outs,
859 				    chip->mixer.src_stream_out_ofs,
860 				    "Digital Playback Volume");
861 	if (err < 0)
862 		return err;
863 #if 0
864 /* FIXME: buggy mixer matrix handling */
865 	err = create_dest_gain_mixer(chip,
866 				     chip->mixer.src_phys_ins, 0,
867 				     chip->mixer.dest_stream_ins, 0,
868 				     "Line Capture Volume");
869 	if (err < 0)
870 		return err;
871 	err = create_dest_gain_mixer(chip,
872 				     chip->mixer.src_stream_outs,
873 				     chip->mixer.src_stream_out_ofs,
874 				     chip->mixer.dest_stream_ins, 0,
875 				     "Stream-Loopback Capture Volume");
876 	if (err < 0)
877 		return err;
878 	err = create_dest_gain_mixer(chip,
879 				     chip->mixer.src_phys_ins, 0,
880 				     chip->mixer.dest_phys_outs,
881 				     chip->mixer.dest_phys_out_ofs,
882 				     "Line-Loopback Playback Volume");
883 	if (err < 0)
884 		return err;
885 	err = create_dest_gain_mixer(chip,
886 				     chip->mixer.src_stream_outs,
887 				     chip->mixer.src_stream_out_ofs,
888 				     chip->mixer.dest_phys_outs,
889 				     chip->mixer.dest_phys_out_ofs,
890 				     "Stream Playback Volume");
891 	if (err < 0)
892 		return err;
893 #endif /* FIXME */
894 	return init_mixer_values(chip);
895 }
896