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TOMOYO Linux Cross Reference
Linux/sound/pci/lola/lola_mixer.c

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  *  Support for Digigram Lola PCI-e boards
  4  *
  5  *  Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
  6  */
  7 
  8 #include <linux/kernel.h>
  9 #include <linux/init.h>
 10 #include <linux/vmalloc.h>
 11 #include <linux/io.h>
 12 #include <sound/core.h>
 13 #include <sound/control.h>
 14 #include <sound/pcm.h>
 15 #include <sound/tlv.h>
 16 #include "lola.h"
 17 
 18 static int lola_init_pin(struct lola *chip, struct lola_pin *pin,
 19                          int dir, int nid)
 20 {
 21         unsigned int val;
 22         int err;
 23 
 24         pin->nid = nid;
 25         err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
 26         if (err < 0) {
 27                 dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
 28                 return err;
 29         }
 30         val &= 0x00f00fff; /* test TYPE and bits 0..11 */
 31         if (val == 0x00400200)    /* Type = 4, Digital = 1 */
 32                 pin->is_analog = false;
 33         else if (val == 0x0040000a && dir == CAPT) /* Dig=0, InAmp/ovrd */
 34                 pin->is_analog = true;
 35         else if (val == 0x0040000c && dir == PLAY) /* Dig=0, OutAmp/ovrd */
 36                 pin->is_analog = true;
 37         else {
 38                 dev_err(chip->card->dev, "Invalid wcaps 0x%x for 0x%x\n", val, nid);
 39                 return -EINVAL;
 40         }
 41 
 42         /* analog parameters only following, so continue in case of Digital pin
 43          */
 44         if (!pin->is_analog)
 45                 return 0;
 46 
 47         if (dir == PLAY)
 48                 err = lola_read_param(chip, nid, LOLA_PAR_AMP_OUT_CAP, &val);
 49         else
 50                 err = lola_read_param(chip, nid, LOLA_PAR_AMP_IN_CAP, &val);
 51         if (err < 0) {
 52                 dev_err(chip->card->dev, "Can't read AMP-caps for 0x%x\n", nid);
 53                 return err;
 54         }
 55 
 56         pin->amp_mute = LOLA_AMP_MUTE_CAPABLE(val);
 57         pin->amp_step_size = LOLA_AMP_STEP_SIZE(val);
 58         pin->amp_num_steps = LOLA_AMP_NUM_STEPS(val);
 59         if (pin->amp_num_steps) {
 60                 /* zero as mute state */
 61                 pin->amp_num_steps++;
 62                 pin->amp_step_size++;
 63         }
 64         pin->amp_offset = LOLA_AMP_OFFSET(val);
 65 
 66         err = lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val,
 67                               NULL);
 68         if (err < 0) {
 69                 dev_err(chip->card->dev, "Can't get MAX_LEVEL 0x%x\n", nid);
 70                 return err;
 71         }
 72         pin->max_level = val & 0x3ff;   /* 10 bits */
 73 
 74         pin->config_default_reg = 0;
 75         pin->fixed_gain_list_len = 0;
 76         pin->cur_gain_step = 0;
 77 
 78         return 0;
 79 }
 80 
 81 int lola_init_pins(struct lola *chip, int dir, int *nidp)
 82 {
 83         int i, err, nid;
 84         nid = *nidp;
 85         for (i = 0; i < chip->pin[dir].num_pins; i++, nid++) {
 86                 err = lola_init_pin(chip, &chip->pin[dir].pins[i], dir, nid);
 87                 if (err < 0)
 88                         return err;
 89                 if (chip->pin[dir].pins[i].is_analog)
 90                         chip->pin[dir].num_analog_pins++;
 91         }
 92         *nidp = nid;
 93         return 0;
 94 }
 95 
 96 void lola_free_mixer(struct lola *chip)
 97 {
 98         vfree(chip->mixer.array_saved);
 99 }
100 
101 int lola_init_mixer_widget(struct lola *chip, int nid)
102 {
103         unsigned int val;
104         int err;
105 
106         err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
107         if (err < 0) {
108                 dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
109                 return err;
110         }
111 
112         if ((val & 0xfff00000) != 0x02f00000) { /* test SubType and Type */
113                 dev_dbg(chip->card->dev, "No valid mixer widget\n");
114                 return 0;
115         }
116 
117         chip->mixer.nid = nid;
118         chip->mixer.caps = val;
119         chip->mixer.array = (struct lola_mixer_array __iomem *)
120                 (chip->bar[BAR1].remap_addr + LOLA_BAR1_SOURCE_GAIN_ENABLE);
121 
122         /* reserve memory to copy mixer data for sleep mode transitions */
123         chip->mixer.array_saved = vmalloc(sizeof(struct lola_mixer_array));
124         if (!chip->mixer.array_saved)
125                 return -ENOMEM;
126 
127         /* mixer matrix sources are physical input data and play streams */
128         chip->mixer.src_stream_outs = chip->pcm[PLAY].num_streams;
129         chip->mixer.src_phys_ins = chip->pin[CAPT].num_pins;
130 
131         /* mixer matrix destinations are record streams and physical output */
132         chip->mixer.dest_stream_ins = chip->pcm[CAPT].num_streams;
133         chip->mixer.dest_phys_outs = chip->pin[PLAY].num_pins;
134 
135         /* mixer matrix may have unused areas between PhysIn and
136          * Play or Record and PhysOut zones
137          */
138         chip->mixer.src_stream_out_ofs = chip->mixer.src_phys_ins +
139                 LOLA_MIXER_SRC_INPUT_PLAY_SEPARATION(val);
140         chip->mixer.dest_phys_out_ofs = chip->mixer.dest_stream_ins +
141                 LOLA_MIXER_DEST_REC_OUTPUT_SEPARATION(val);
142 
143         /* example : MixerMatrix of LoLa881 (LoLa16161 uses unused zones)
144          * +-+  0-------8------16-------8------16
145          * | |  |       |       |       |       |
146          * |s|  | INPUT |       | INPUT |       |
147          * | |->|  ->   |unused |  ->   |unused |
148          * |r|  |CAPTURE|       | OUTPUT|       |
149          * | |  |  MIX  |       |  MIX  |       |
150          * |c|  8--------------------------------
151          * | |  |       |       |       |       |
152          * | |  |       |       |       |       |
153          * |g|  |unused |unused |unused |unused |
154          * | |  |       |       |       |       |
155          * |a|  |       |       |       |       |
156          * | |  16-------------------------------
157          * |i|  |       |       |       |       |
158          * | |  | PLAYBK|       | PLAYBK|       |
159          * |n|->|  ->   |unused |  ->   |unused |
160          * | |  |CAPTURE|       | OUTPUT|       |
161          * | |  |  MIX  |       |  MIX  |       |
162          * |a|  8--------------------------------
163          * |r|  |       |       |       |       |
164          * |r|  |       |       |       |       |
165          * |a|  |unused |unused |unused |unused |
166          * |y|  |       |       |       |       |
167          * | |  |       |       |       |       |
168          * +++  16--|---------------|------------
169          *      +---V---------------V-----------+
170          *      |  dest_mix_gain_enable array   |
171          *      +-------------------------------+
172          */
173         /* example : MixerMatrix of LoLa280
174          * +-+  0-------8-2
175          * | |  |       | |
176          * |s|  | INPUT | |     INPUT
177          * |r|->|  ->   | |      ->
178          * |c|  |CAPTURE| | <-  OUTPUT
179          * | |  |  MIX  | |      MIX
180          * |g|  8----------
181          * |a|  |       | |
182          * |i|  | PLAYBK| |     PLAYBACK
183          * |n|->|  ->   | |      ->
184          * | |  |CAPTURE| | <-  OUTPUT
185          * |a|  |  MIX  | |      MIX
186          * |r|  8---|----|-
187          * |r|  +---V----V-------------------+
188          * |a|  | dest_mix_gain_enable array |
189          * |y|  +----------------------------+
190          */
191         if (chip->mixer.src_stream_out_ofs > MAX_AUDIO_INOUT_COUNT ||
192             chip->mixer.dest_phys_out_ofs > MAX_STREAM_IN_COUNT) {
193                 dev_err(chip->card->dev, "Invalid mixer widget size\n");
194                 return -EINVAL;
195         }
196 
197         chip->mixer.src_mask = ((1U << chip->mixer.src_phys_ins) - 1) |
198                 (((1U << chip->mixer.src_stream_outs) - 1)
199                  << chip->mixer.src_stream_out_ofs);
200         chip->mixer.dest_mask = ((1U << chip->mixer.dest_stream_ins) - 1) |
201                 (((1U << chip->mixer.dest_phys_outs) - 1)
202                  << chip->mixer.dest_phys_out_ofs);
203 
204         dev_dbg(chip->card->dev, "Mixer src_mask=%x, dest_mask=%x\n",
205                     chip->mixer.src_mask, chip->mixer.dest_mask);
206 
207         return 0;
208 }
209 
210 static int lola_mixer_set_src_gain(struct lola *chip, unsigned int id,
211                                    unsigned short gain, bool on)
212 {
213         unsigned int oldval, val;
214 
215         if (!(chip->mixer.src_mask & (1 << id)))
216                 return -EINVAL;
217         oldval = val = readl(&chip->mixer.array->src_gain_enable);
218         if (on)
219                 val |= (1 << id);
220         else
221                 val &= ~(1 << id);
222         /* test if values unchanged */
223         if ((val == oldval) &&
224             (gain == readw(&chip->mixer.array->src_gain[id])))
225                 return 0;
226 
227         dev_dbg(chip->card->dev,
228                 "lola_mixer_set_src_gain (id=%d, gain=%d) enable=%x\n",
229                         id, gain, val);
230         writew(gain, &chip->mixer.array->src_gain[id]);
231         writel(val, &chip->mixer.array->src_gain_enable);
232         lola_codec_flush(chip);
233         /* inform micro-controller about the new source gain */
234         return lola_codec_write(chip, chip->mixer.nid,
235                                 LOLA_VERB_SET_SOURCE_GAIN, id, 0);
236 }
237 
238 #if 0 /* not used */
239 static int lola_mixer_set_src_gains(struct lola *chip, unsigned int mask,
240                                     unsigned short *gains)
241 {
242         int i;
243 
244         if ((chip->mixer.src_mask & mask) != mask)
245                 return -EINVAL;
246         for (i = 0; i < LOLA_MIXER_DIM; i++) {
247                 if (mask & (1 << i)) {
248                         writew(*gains, &chip->mixer.array->src_gain[i]);
249                         gains++;
250                 }
251         }
252         writel(mask, &chip->mixer.array->src_gain_enable);
253         lola_codec_flush(chip);
254         if (chip->mixer.caps & LOLA_PEAK_METER_CAN_AGC_MASK) {
255                 /* update for all srcs at once */
256                 return lola_codec_write(chip, chip->mixer.nid,
257                                         LOLA_VERB_SET_SOURCE_GAIN, 0x80, 0);
258         }
259         /* update manually */
260         for (i = 0; i < LOLA_MIXER_DIM; i++) {
261                 if (mask & (1 << i)) {
262                         lola_codec_write(chip, chip->mixer.nid,
263                                          LOLA_VERB_SET_SOURCE_GAIN, i, 0);
264                 }
265         }
266         return 0;
267 }
268 #endif /* not used */
269 
270 static int lola_mixer_set_mapping_gain(struct lola *chip,
271                                        unsigned int src, unsigned int dest,
272                                        unsigned short gain, bool on)
273 {
274         unsigned int val;
275 
276         if (!(chip->mixer.src_mask & (1 << src)) ||
277             !(chip->mixer.dest_mask & (1 << dest)))
278                 return -EINVAL;
279         if (on)
280                 writew(gain, &chip->mixer.array->dest_mix_gain[dest][src]);
281         val = readl(&chip->mixer.array->dest_mix_gain_enable[dest]);
282         if (on)
283                 val |= (1 << src);
284         else
285                 val &= ~(1 << src);
286         writel(val, &chip->mixer.array->dest_mix_gain_enable[dest]);
287         lola_codec_flush(chip);
288         return lola_codec_write(chip, chip->mixer.nid, LOLA_VERB_SET_MIX_GAIN,
289                                 src, dest);
290 }
291 
292 #if 0 /* not used */
293 static int lola_mixer_set_dest_gains(struct lola *chip, unsigned int id,
294                                      unsigned int mask, unsigned short *gains)
295 {
296         int i;
297 
298         if (!(chip->mixer.dest_mask & (1 << id)) ||
299             (chip->mixer.src_mask & mask) != mask)
300                 return -EINVAL;
301         for (i = 0; i < LOLA_MIXER_DIM; i++) {
302                 if (mask & (1 << i)) {
303                         writew(*gains, &chip->mixer.array->dest_mix_gain[id][i]);
304                         gains++;
305                 }
306         }
307         writel(mask, &chip->mixer.array->dest_mix_gain_enable[id]);
308         lola_codec_flush(chip);
309         /* update for all dests at once */
310         return lola_codec_write(chip, chip->mixer.nid,
311                                 LOLA_VERB_SET_DESTINATION_GAIN, id, 0);
312 }
313 #endif /* not used */
314 
315 /*
316  */
317 
318 static int set_analog_volume(struct lola *chip, int dir,
319                              unsigned int idx, unsigned int val,
320                              bool external_call);
321 
322 int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute)
323 {
324         struct lola_pin *pin;
325         int idx, max_idx;
326 
327         pin = chip->pin[dir].pins;
328         max_idx = chip->pin[dir].num_pins;
329         for (idx = 0; idx < max_idx; idx++) {
330                 if (pin[idx].is_analog) {
331                         unsigned int val = mute ? 0 : pin[idx].cur_gain_step;
332                         /* set volume and do not save the value */
333                         set_analog_volume(chip, dir, idx, val, false);
334                 }
335         }
336         return lola_codec_flush(chip);
337 }
338 
339 void lola_save_mixer(struct lola *chip)
340 {
341         /* mute analog output */
342         if (chip->mixer.array_saved) {
343                 /* store contents of mixer array */
344                 memcpy_fromio(chip->mixer.array_saved, chip->mixer.array,
345                               sizeof(*chip->mixer.array));
346         }
347         lola_setup_all_analog_gains(chip, PLAY, true); /* output mute */
348 }
349 
350 void lola_restore_mixer(struct lola *chip)
351 {
352         int i;
353 
354         /*lola_reset_setups(chip);*/
355         if (chip->mixer.array_saved) {
356                 /* restore contents of mixer array */
357                 memcpy_toio(chip->mixer.array, chip->mixer.array_saved,
358                             sizeof(*chip->mixer.array));
359                 /* inform micro-controller about all restored values
360                  * and ignore return values
361                  */
362                 for (i = 0; i < chip->mixer.src_phys_ins; i++)
363                         lola_codec_write(chip, chip->mixer.nid,
364                                          LOLA_VERB_SET_SOURCE_GAIN,
365                                          i, 0);
366                 for (i = 0; i < chip->mixer.src_stream_outs; i++)
367                         lola_codec_write(chip, chip->mixer.nid,
368                                          LOLA_VERB_SET_SOURCE_GAIN,
369                                          chip->mixer.src_stream_out_ofs + i, 0);
370                 for (i = 0; i < chip->mixer.dest_stream_ins; i++)
371                         lola_codec_write(chip, chip->mixer.nid,
372                                          LOLA_VERB_SET_DESTINATION_GAIN,
373                                          i, 0);
374                 for (i = 0; i < chip->mixer.dest_phys_outs; i++)
375                         lola_codec_write(chip, chip->mixer.nid,
376                                          LOLA_VERB_SET_DESTINATION_GAIN,
377                                          chip->mixer.dest_phys_out_ofs + i, 0);
378                 lola_codec_flush(chip);
379         }
380 }
381 
382 /*
383  */
384 
385 static int set_analog_volume(struct lola *chip, int dir,
386                              unsigned int idx, unsigned int val,
387                              bool external_call)
388 {
389         struct lola_pin *pin;
390         int err;
391 
392         if (idx >= chip->pin[dir].num_pins)
393                 return -EINVAL;
394         pin = &chip->pin[dir].pins[idx];
395         if (!pin->is_analog || pin->amp_num_steps <= val)
396                 return -EINVAL;
397         if (external_call && pin->cur_gain_step == val)
398                 return 0;
399         if (external_call)
400                 lola_codec_flush(chip);
401         dev_dbg(chip->card->dev,
402                 "set_analog_volume (dir=%d idx=%d, volume=%d)\n",
403                         dir, idx, val);
404         err = lola_codec_write(chip, pin->nid,
405                                LOLA_VERB_SET_AMP_GAIN_MUTE, val, 0);
406         if (err < 0)
407                 return err;
408         if (external_call)
409                 pin->cur_gain_step = val;
410         return 0;
411 }
412 
413 int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update)
414 {
415         int ret = 0;
416         int success = 0;
417         int n, err;
418 
419         /* SRC can be activated and the dwInputSRCMask is valid? */
420         if ((chip->input_src_caps_mask & src_mask) != src_mask)
421                 return -EINVAL;
422         /* handle all even Inputs - SRC is a stereo setting !!! */
423         for (n = 0; n < chip->pin[CAPT].num_pins; n += 2) {
424                 unsigned int mask = 3U << n; /* handle the stereo case */
425                 unsigned int new_src, src_state;
426                 if (!(chip->input_src_caps_mask & mask))
427                         continue;
428                 /* if one IO needs SRC, both stereo IO will get SRC */
429                 new_src = (src_mask & mask) != 0;
430                 if (update) {
431                         src_state = (chip->input_src_mask & mask) != 0;
432                         if (src_state == new_src)
433                                 continue;   /* nothing to change for this IO */
434                 }
435                 err = lola_codec_write(chip, chip->pcm[CAPT].streams[n].nid,
436                                        LOLA_VERB_SET_SRC, new_src, 0);
437                 if (!err)
438                         success++;
439                 else
440                         ret = err;
441         }
442         if (success)
443                 ret = lola_codec_flush(chip);
444         if (!ret)
445                 chip->input_src_mask = src_mask;
446         return ret;
447 }
448 
449 /*
450  */
451 static int init_mixer_values(struct lola *chip)
452 {
453         int i;
454 
455         /* all sample rate converters on */
456         lola_set_src_config(chip, (1 << chip->pin[CAPT].num_pins) - 1, false);
457 
458         /* clear all mixer matrix settings */
459         memset_io(chip->mixer.array, 0, sizeof(*chip->mixer.array));
460         /* inform firmware about all updated matrix columns - capture part */
461         for (i = 0; i < chip->mixer.dest_stream_ins; i++)
462                 lola_codec_write(chip, chip->mixer.nid,
463                                  LOLA_VERB_SET_DESTINATION_GAIN,
464                                  i, 0);
465         /* inform firmware about all updated matrix columns - output part */
466         for (i = 0; i < chip->mixer.dest_phys_outs; i++)
467                 lola_codec_write(chip, chip->mixer.nid,
468                                  LOLA_VERB_SET_DESTINATION_GAIN,
469                                  chip->mixer.dest_phys_out_ofs + i, 0);
470 
471         /* set all digital input source (master) gains to 0dB */
472         for (i = 0; i < chip->mixer.src_phys_ins; i++)
473                 lola_mixer_set_src_gain(chip, i, 336, true); /* 0dB */
474 
475         /* set all digital playback source (master) gains to 0dB */
476         for (i = 0; i < chip->mixer.src_stream_outs; i++)
477                 lola_mixer_set_src_gain(chip,
478                                         i + chip->mixer.src_stream_out_ofs,
479                                         336, true); /* 0dB */
480         /* set gain value 0dB diagonally in matrix - part INPUT -> CAPTURE */
481         for (i = 0; i < chip->mixer.dest_stream_ins; i++) {
482                 int src = i % chip->mixer.src_phys_ins;
483                 lola_mixer_set_mapping_gain(chip, src, i, 336, true);
484         }
485         /* set gain value 0dB diagonally in matrix , part PLAYBACK -> OUTPUT
486          * (LoLa280 : playback channel 0,2,4,6 linked to output channel 0)
487          * (LoLa280 : playback channel 1,3,5,7 linked to output channel 1)
488          */
489         for (i = 0; i < chip->mixer.src_stream_outs; i++) {
490                 int src = chip->mixer.src_stream_out_ofs + i;
491                 int dst = chip->mixer.dest_phys_out_ofs +
492                         i % chip->mixer.dest_phys_outs;
493                 lola_mixer_set_mapping_gain(chip, src, dst, 336, true);
494         }
495         return 0;
496 }
497 
498 /*
499  * analog mixer control element
500  */
501 static int lola_analog_vol_info(struct snd_kcontrol *kcontrol,
502                                 struct snd_ctl_elem_info *uinfo)
503 {
504         struct lola *chip = snd_kcontrol_chip(kcontrol);
505         int dir = kcontrol->private_value;
506 
507         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
508         uinfo->count = chip->pin[dir].num_pins;
509         uinfo->value.integer.min = 0;
510         uinfo->value.integer.max = chip->pin[dir].pins[0].amp_num_steps;
511         return 0;
512 }
513 
514 static int lola_analog_vol_get(struct snd_kcontrol *kcontrol,
515                                struct snd_ctl_elem_value *ucontrol)
516 {
517         struct lola *chip = snd_kcontrol_chip(kcontrol);
518         int dir = kcontrol->private_value;
519         int i;
520 
521         for (i = 0; i < chip->pin[dir].num_pins; i++)
522                 ucontrol->value.integer.value[i] =
523                         chip->pin[dir].pins[i].cur_gain_step;
524         return 0;
525 }
526 
527 static int lola_analog_vol_put(struct snd_kcontrol *kcontrol,
528                                struct snd_ctl_elem_value *ucontrol)
529 {
530         struct lola *chip = snd_kcontrol_chip(kcontrol);
531         int dir = kcontrol->private_value;
532         int i, err;
533 
534         for (i = 0; i < chip->pin[dir].num_pins; i++) {
535                 err = set_analog_volume(chip, dir, i,
536                                         ucontrol->value.integer.value[i],
537                                         true);
538                 if (err < 0)
539                         return err;
540         }
541         return 0;
542 }
543 
544 static int lola_analog_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
545                                unsigned int size, unsigned int __user *tlv)
546 {
547         struct lola *chip = snd_kcontrol_chip(kcontrol);
548         int dir = kcontrol->private_value;
549         unsigned int val1, val2;
550         struct lola_pin *pin;
551 
552         if (size < 4 * sizeof(unsigned int))
553                 return -ENOMEM;
554         pin = &chip->pin[dir].pins[0];
555 
556         val2 = pin->amp_step_size * 25;
557         val1 = -1 * (int)pin->amp_offset * (int)val2;
558 #ifdef TLV_DB_SCALE_MUTE
559         val2 |= TLV_DB_SCALE_MUTE;
560 #endif
561         if (put_user(SNDRV_CTL_TLVT_DB_SCALE, tlv))
562                 return -EFAULT;
563         if (put_user(2 * sizeof(unsigned int), tlv + 1))
564                 return -EFAULT;
565         if (put_user(val1, tlv + 2))
566                 return -EFAULT;
567         if (put_user(val2, tlv + 3))
568                 return -EFAULT;
569         return 0;
570 }
571 
572 static struct snd_kcontrol_new lola_analog_mixer = {
573         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
574         .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
575                    SNDRV_CTL_ELEM_ACCESS_TLV_READ |
576                    SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK),
577         .info = lola_analog_vol_info,
578         .get = lola_analog_vol_get,
579         .put = lola_analog_vol_put,
580         .tlv.c = lola_analog_vol_tlv,
581 };
582 
583 static int create_analog_mixer(struct lola *chip, int dir, char *name)
584 {
585         if (!chip->pin[dir].num_pins)
586                 return 0;
587         /* no analog volumes on digital only adapters */
588         if (chip->pin[dir].num_pins != chip->pin[dir].num_analog_pins)
589                 return 0;
590         lola_analog_mixer.name = name;
591         lola_analog_mixer.private_value = dir;
592         return snd_ctl_add(chip->card,
593                            snd_ctl_new1(&lola_analog_mixer, chip));
594 }
595 
596 /*
597  * Hardware sample rate converter on digital input
598  */
599 static int lola_input_src_info(struct snd_kcontrol *kcontrol,
600                                struct snd_ctl_elem_info *uinfo)
601 {
602         struct lola *chip = snd_kcontrol_chip(kcontrol);
603 
604         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
605         uinfo->count = chip->pin[CAPT].num_pins;
606         uinfo->value.integer.min = 0;
607         uinfo->value.integer.max = 1;
608         return 0;
609 }
610 
611 static int lola_input_src_get(struct snd_kcontrol *kcontrol,
612                               struct snd_ctl_elem_value *ucontrol)
613 {
614         struct lola *chip = snd_kcontrol_chip(kcontrol);
615         int i;
616 
617         for (i = 0; i < chip->pin[CAPT].num_pins; i++)
618                 ucontrol->value.integer.value[i] =
619                         !!(chip->input_src_mask & (1 << i));
620         return 0;
621 }
622 
623 static int lola_input_src_put(struct snd_kcontrol *kcontrol,
624                               struct snd_ctl_elem_value *ucontrol)
625 {
626         struct lola *chip = snd_kcontrol_chip(kcontrol);
627         int i;
628         unsigned int mask;
629 
630         mask = 0;
631         for (i = 0; i < chip->pin[CAPT].num_pins; i++)
632                 if (ucontrol->value.integer.value[i])
633                         mask |= 1 << i;
634         return lola_set_src_config(chip, mask, true);
635 }
636 
637 static const struct snd_kcontrol_new lola_input_src_mixer = {
638         .name = "Digital SRC Capture Switch",
639         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
640         .info = lola_input_src_info,
641         .get = lola_input_src_get,
642         .put = lola_input_src_put,
643 };
644 
645 /*
646  * Lola16161 or Lola881 can have Hardware sample rate converters
647  * on its digital input pins
648  */
649 static int create_input_src_mixer(struct lola *chip)
650 {
651         if (!chip->input_src_caps_mask)
652                 return 0;
653 
654         return snd_ctl_add(chip->card,
655                            snd_ctl_new1(&lola_input_src_mixer, chip));
656 }
657 
658 /*
659  * src gain mixer
660  */
661 static int lola_src_gain_info(struct snd_kcontrol *kcontrol,
662                               struct snd_ctl_elem_info *uinfo)
663 {
664         unsigned int count = (kcontrol->private_value >> 8) & 0xff;
665 
666         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
667         uinfo->count = count;
668         uinfo->value.integer.min = 0;
669         uinfo->value.integer.max = 409;
670         return 0;
671 }
672 
673 static int lola_src_gain_get(struct snd_kcontrol *kcontrol,
674                              struct snd_ctl_elem_value *ucontrol)
675 {
676         struct lola *chip = snd_kcontrol_chip(kcontrol);
677         unsigned int ofs = kcontrol->private_value & 0xff;
678         unsigned int count = (kcontrol->private_value >> 8) & 0xff;
679         unsigned int mask, i;
680 
681         mask = readl(&chip->mixer.array->src_gain_enable);
682         for (i = 0; i < count; i++) {
683                 unsigned int idx = ofs + i;
684                 unsigned short val;
685                 if (!(chip->mixer.src_mask & (1 << idx)))
686                         return -EINVAL;
687                 if (mask & (1 << idx))
688                         val = readw(&chip->mixer.array->src_gain[idx]) + 1;
689                 else
690                         val = 0;
691                 ucontrol->value.integer.value[i] = val;
692         }
693         return 0;
694 }
695 
696 static int lola_src_gain_put(struct snd_kcontrol *kcontrol,
697                              struct snd_ctl_elem_value *ucontrol)
698 {
699         struct lola *chip = snd_kcontrol_chip(kcontrol);
700         unsigned int ofs = kcontrol->private_value & 0xff;
701         unsigned int count = (kcontrol->private_value >> 8) & 0xff;
702         int i, err;
703 
704         for (i = 0; i < count; i++) {
705                 unsigned int idx = ofs + i;
706                 unsigned short val = ucontrol->value.integer.value[i];
707                 if (val)
708                         val--;
709                 err = lola_mixer_set_src_gain(chip, idx, val, !!val);
710                 if (err < 0)
711                         return err;
712         }
713         return 0;
714 }
715 
716 /* raw value: 0 = -84dB, 336 = 0dB, 408=18dB, incremented 1 for mute */
717 static const DECLARE_TLV_DB_SCALE(lola_src_gain_tlv, -8425, 25, 1);
718 
719 static struct snd_kcontrol_new lola_src_gain_mixer = {
720         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
721         .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
722                    SNDRV_CTL_ELEM_ACCESS_TLV_READ),
723         .info = lola_src_gain_info,
724         .get = lola_src_gain_get,
725         .put = lola_src_gain_put,
726         .tlv.p = lola_src_gain_tlv,
727 };
728 
729 static int create_src_gain_mixer(struct lola *chip,
730                                  int num, int ofs, char *name)
731 {
732         lola_src_gain_mixer.name = name;
733         lola_src_gain_mixer.private_value = ofs + (num << 8);
734         return snd_ctl_add(chip->card,
735                            snd_ctl_new1(&lola_src_gain_mixer, chip));
736 }
737 
738 #if 0 /* not used */
739 /*
740  * destination gain (matrix-like) mixer
741  */
742 static int lola_dest_gain_info(struct snd_kcontrol *kcontrol,
743                                struct snd_ctl_elem_info *uinfo)
744 {
745         unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
746 
747         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
748         uinfo->count = src_num;
749         uinfo->value.integer.min = 0;
750         uinfo->value.integer.max = 433;
751         return 0;
752 }
753 
754 static int lola_dest_gain_get(struct snd_kcontrol *kcontrol,
755                               struct snd_ctl_elem_value *ucontrol)
756 {
757         struct lola *chip = snd_kcontrol_chip(kcontrol);
758         unsigned int src_ofs = kcontrol->private_value & 0xff;
759         unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
760         unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
761         unsigned int dst, mask, i;
762 
763         dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
764         mask = readl(&chip->mixer.array->dest_mix_gain_enable[dst]);
765         for (i = 0; i < src_num; i++) {
766                 unsigned int src = src_ofs + i;
767                 unsigned short val;
768                 if (!(chip->mixer.src_mask & (1 << src)))
769                         return -EINVAL;
770                 if (mask & (1 << dst))
771                         val = readw(&chip->mixer.array->dest_mix_gain[dst][src]) + 1;
772                 else
773                         val = 0;
774                 ucontrol->value.integer.value[i] = val;
775         }
776         return 0;
777 }
778 
779 static int lola_dest_gain_put(struct snd_kcontrol *kcontrol,
780                               struct snd_ctl_elem_value *ucontrol)
781 {
782         struct lola *chip = snd_kcontrol_chip(kcontrol);
783         unsigned int src_ofs = kcontrol->private_value & 0xff;
784         unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
785         unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
786         unsigned int dst, mask;
787         unsigned short gains[MAX_STREAM_COUNT];
788         int i, num;
789 
790         mask = 0;
791         num = 0;
792         for (i = 0; i < src_num; i++) {
793                 unsigned short val = ucontrol->value.integer.value[i];
794                 if (val) {
795                         gains[num++] = val - 1;
796                         mask |= 1 << i;
797                 }
798         }
799         mask <<= src_ofs;
800         dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
801         return lola_mixer_set_dest_gains(chip, dst, mask, gains);
802 }
803 
804 static const DECLARE_TLV_DB_SCALE(lola_dest_gain_tlv, -8425, 25, 1);
805 
806 static struct snd_kcontrol_new lola_dest_gain_mixer = {
807         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
808         .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
809                    SNDRV_CTL_ELEM_ACCESS_TLV_READ),
810         .info = lola_dest_gain_info,
811         .get = lola_dest_gain_get,
812         .put = lola_dest_gain_put,
813         .tlv.p = lola_dest_gain_tlv,
814 };
815 
816 static int create_dest_gain_mixer(struct lola *chip,
817                                   int src_num, int src_ofs,
818                                   int num, int ofs, char *name)
819 {
820         lola_dest_gain_mixer.count = num;
821         lola_dest_gain_mixer.name = name;
822         lola_dest_gain_mixer.private_value =
823                 src_ofs + (src_num << 8) + (ofs << 16) + (num << 24);
824         return snd_ctl_add(chip->card,
825                           snd_ctl_new1(&lola_dest_gain_mixer, chip));
826 }
827 #endif /* not used */
828 
829 /*
830  */
831 int lola_create_mixer(struct lola *chip)
832 {
833         int err;
834 
835         err = create_analog_mixer(chip, PLAY, "Analog Playback Volume");
836         if (err < 0)
837                 return err;
838         err = create_analog_mixer(chip, CAPT, "Analog Capture Volume");
839         if (err < 0)
840                 return err;
841         err = create_input_src_mixer(chip);
842         if (err < 0)
843                 return err;
844         err = create_src_gain_mixer(chip, chip->mixer.src_phys_ins, 0,
845                                     "Digital Capture Volume");
846         if (err < 0)
847                 return err;
848         err = create_src_gain_mixer(chip, chip->mixer.src_stream_outs,
849                                     chip->mixer.src_stream_out_ofs,
850                                     "Digital Playback Volume");
851         if (err < 0)
852                 return err;
853 #if 0
854 /* FIXME: buggy mixer matrix handling */
855         err = create_dest_gain_mixer(chip,
856                                      chip->mixer.src_phys_ins, 0,
857                                      chip->mixer.dest_stream_ins, 0,
858                                      "Line Capture Volume");
859         if (err < 0)
860                 return err;
861         err = create_dest_gain_mixer(chip,
862                                      chip->mixer.src_stream_outs,
863                                      chip->mixer.src_stream_out_ofs,
864                                      chip->mixer.dest_stream_ins, 0,
865                                      "Stream-Loopback Capture Volume");
866         if (err < 0)
867                 return err;
868         err = create_dest_gain_mixer(chip,
869                                      chip->mixer.src_phys_ins, 0,
870                                      chip->mixer.dest_phys_outs,
871                                      chip->mixer.dest_phys_out_ofs,
872                                      "Line-Loopback Playback Volume");
873         if (err < 0)
874                 return err;
875         err = create_dest_gain_mixer(chip,
876                                      chip->mixer.src_stream_outs,
877                                      chip->mixer.src_stream_out_ofs,
878                                      chip->mixer.dest_phys_outs,
879                                      chip->mixer.dest_phys_out_ofs,
880                                      "Stream Playback Volume");
881         if (err < 0)
882                 return err;
883 #endif /* FIXME */
884         return init_mixer_values(chip);
885 }
886 

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