Version:  2.0.40 2.2.26 2.4.37 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0

Linux/sound/soc/codecs/wm8994.c

  1 /*
  2  * wm8994.c  --  WM8994 ALSA SoC Audio driver
  3  *
  4  * Copyright 2009-12 Wolfson Microelectronics plc
  5  *
  6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
  7  *
  8  *
  9  * This program is free software; you can redistribute it and/or modify
 10  * it under the terms of the GNU General Public License version 2 as
 11  * published by the Free Software Foundation.
 12  */
 13 
 14 #include <linux/module.h>
 15 #include <linux/moduleparam.h>
 16 #include <linux/init.h>
 17 #include <linux/delay.h>
 18 #include <linux/pm.h>
 19 #include <linux/gcd.h>
 20 #include <linux/i2c.h>
 21 #include <linux/platform_device.h>
 22 #include <linux/pm_runtime.h>
 23 #include <linux/regulator/consumer.h>
 24 #include <linux/slab.h>
 25 #include <sound/core.h>
 26 #include <sound/jack.h>
 27 #include <sound/pcm.h>
 28 #include <sound/pcm_params.h>
 29 #include <sound/soc.h>
 30 #include <sound/initval.h>
 31 #include <sound/tlv.h>
 32 #include <trace/events/asoc.h>
 33 
 34 #include <linux/mfd/wm8994/core.h>
 35 #include <linux/mfd/wm8994/registers.h>
 36 #include <linux/mfd/wm8994/pdata.h>
 37 #include <linux/mfd/wm8994/gpio.h>
 38 
 39 #include "wm8994.h"
 40 #include "wm_hubs.h"
 41 
 42 #define WM1811_JACKDET_MODE_NONE  0x0000
 43 #define WM1811_JACKDET_MODE_JACK  0x0100
 44 #define WM1811_JACKDET_MODE_MIC   0x0080
 45 #define WM1811_JACKDET_MODE_AUDIO 0x0180
 46 
 47 #define WM8994_NUM_DRC 3
 48 #define WM8994_NUM_EQ  3
 49 
 50 static struct {
 51         unsigned int reg;
 52         unsigned int mask;
 53 } wm8994_vu_bits[] = {
 54         { WM8994_LEFT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
 55         { WM8994_RIGHT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
 56         { WM8994_LEFT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
 57         { WM8994_RIGHT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
 58         { WM8994_SPEAKER_VOLUME_LEFT, WM8994_SPKOUT_VU },
 59         { WM8994_SPEAKER_VOLUME_RIGHT, WM8994_SPKOUT_VU },
 60         { WM8994_LEFT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
 61         { WM8994_RIGHT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
 62         { WM8994_LEFT_OPGA_VOLUME, WM8994_MIXOUT_VU },
 63         { WM8994_RIGHT_OPGA_VOLUME, WM8994_MIXOUT_VU },
 64 
 65         { WM8994_AIF1_DAC1_LEFT_VOLUME, WM8994_AIF1DAC1_VU },
 66         { WM8994_AIF1_DAC1_RIGHT_VOLUME, WM8994_AIF1DAC1_VU },
 67         { WM8994_AIF1_DAC2_LEFT_VOLUME, WM8994_AIF1DAC2_VU },
 68         { WM8994_AIF1_DAC2_RIGHT_VOLUME, WM8994_AIF1DAC2_VU },
 69         { WM8994_AIF2_DAC_LEFT_VOLUME, WM8994_AIF2DAC_VU },
 70         { WM8994_AIF2_DAC_RIGHT_VOLUME, WM8994_AIF2DAC_VU },
 71         { WM8994_AIF1_ADC1_LEFT_VOLUME, WM8994_AIF1ADC1_VU },
 72         { WM8994_AIF1_ADC1_RIGHT_VOLUME, WM8994_AIF1ADC1_VU },
 73         { WM8994_AIF1_ADC2_LEFT_VOLUME, WM8994_AIF1ADC2_VU },
 74         { WM8994_AIF1_ADC2_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
 75         { WM8994_AIF2_ADC_LEFT_VOLUME, WM8994_AIF2ADC_VU },
 76         { WM8994_AIF2_ADC_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
 77         { WM8994_DAC1_LEFT_VOLUME, WM8994_DAC1_VU },
 78         { WM8994_DAC1_RIGHT_VOLUME, WM8994_DAC1_VU },
 79         { WM8994_DAC2_LEFT_VOLUME, WM8994_DAC2_VU },
 80         { WM8994_DAC2_RIGHT_VOLUME, WM8994_DAC2_VU },
 81 };
 82 
 83 static int wm8994_drc_base[] = {
 84         WM8994_AIF1_DRC1_1,
 85         WM8994_AIF1_DRC2_1,
 86         WM8994_AIF2_DRC_1,
 87 };
 88 
 89 static int wm8994_retune_mobile_base[] = {
 90         WM8994_AIF1_DAC1_EQ_GAINS_1,
 91         WM8994_AIF1_DAC2_EQ_GAINS_1,
 92         WM8994_AIF2_EQ_GAINS_1,
 93 };
 94 
 95 static const struct wm8958_micd_rate micdet_rates[] = {
 96         { 32768,       true,  1, 4 },
 97         { 32768,       false, 1, 1 },
 98         { 44100 * 256, true,  7, 10 },
 99         { 44100 * 256, false, 7, 10 },
100 };
101 
102 static const struct wm8958_micd_rate jackdet_rates[] = {
103         { 32768,       true,  0, 1 },
104         { 32768,       false, 0, 1 },
105         { 44100 * 256, true,  10, 10 },
106         { 44100 * 256, false, 7, 8 },
107 };
108 
109 static void wm8958_micd_set_rate(struct snd_soc_codec *codec)
110 {
111         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
112         struct wm8994 *control = wm8994->wm8994;
113         int best, i, sysclk, val;
114         bool idle;
115         const struct wm8958_micd_rate *rates;
116         int num_rates;
117 
118         idle = !wm8994->jack_mic;
119 
120         sysclk = snd_soc_read(codec, WM8994_CLOCKING_1);
121         if (sysclk & WM8994_SYSCLK_SRC)
122                 sysclk = wm8994->aifclk[1];
123         else
124                 sysclk = wm8994->aifclk[0];
125 
126         if (control->pdata.micd_rates) {
127                 rates = control->pdata.micd_rates;
128                 num_rates = control->pdata.num_micd_rates;
129         } else if (wm8994->jackdet) {
130                 rates = jackdet_rates;
131                 num_rates = ARRAY_SIZE(jackdet_rates);
132         } else {
133                 rates = micdet_rates;
134                 num_rates = ARRAY_SIZE(micdet_rates);
135         }
136 
137         best = 0;
138         for (i = 0; i < num_rates; i++) {
139                 if (rates[i].idle != idle)
140                         continue;
141                 if (abs(rates[i].sysclk - sysclk) <
142                     abs(rates[best].sysclk - sysclk))
143                         best = i;
144                 else if (rates[best].idle != idle)
145                         best = i;
146         }
147 
148         val = rates[best].start << WM8958_MICD_BIAS_STARTTIME_SHIFT
149                 | rates[best].rate << WM8958_MICD_RATE_SHIFT;
150 
151         dev_dbg(codec->dev, "MICD rate %d,%d for %dHz %s\n",
152                 rates[best].start, rates[best].rate, sysclk,
153                 idle ? "idle" : "active");
154 
155         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
156                             WM8958_MICD_BIAS_STARTTIME_MASK |
157                             WM8958_MICD_RATE_MASK, val);
158 }
159 
160 static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
161 {
162         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
163         int rate;
164         int reg1 = 0;
165         int offset;
166 
167         if (aif)
168                 offset = 4;
169         else
170                 offset = 0;
171 
172         switch (wm8994->sysclk[aif]) {
173         case WM8994_SYSCLK_MCLK1:
174                 rate = wm8994->mclk[0];
175                 break;
176 
177         case WM8994_SYSCLK_MCLK2:
178                 reg1 |= 0x8;
179                 rate = wm8994->mclk[1];
180                 break;
181 
182         case WM8994_SYSCLK_FLL1:
183                 reg1 |= 0x10;
184                 rate = wm8994->fll[0].out;
185                 break;
186 
187         case WM8994_SYSCLK_FLL2:
188                 reg1 |= 0x18;
189                 rate = wm8994->fll[1].out;
190                 break;
191 
192         default:
193                 return -EINVAL;
194         }
195 
196         if (rate >= 13500000) {
197                 rate /= 2;
198                 reg1 |= WM8994_AIF1CLK_DIV;
199 
200                 dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
201                         aif + 1, rate);
202         }
203 
204         wm8994->aifclk[aif] = rate;
205 
206         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset,
207                             WM8994_AIF1CLK_SRC_MASK | WM8994_AIF1CLK_DIV,
208                             reg1);
209 
210         return 0;
211 }
212 
213 static int configure_clock(struct snd_soc_codec *codec)
214 {
215         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
216         int change, new;
217 
218         /* Bring up the AIF clocks first */
219         configure_aif_clock(codec, 0);
220         configure_aif_clock(codec, 1);
221 
222         /* Then switch CLK_SYS over to the higher of them; a change
223          * can only happen as a result of a clocking change which can
224          * only be made outside of DAPM so we can safely redo the
225          * clocking.
226          */
227 
228         /* If they're equal it doesn't matter which is used */
229         if (wm8994->aifclk[0] == wm8994->aifclk[1]) {
230                 wm8958_micd_set_rate(codec);
231                 return 0;
232         }
233 
234         if (wm8994->aifclk[0] < wm8994->aifclk[1])
235                 new = WM8994_SYSCLK_SRC;
236         else
237                 new = 0;
238 
239         change = snd_soc_update_bits(codec, WM8994_CLOCKING_1,
240                                      WM8994_SYSCLK_SRC, new);
241         if (change)
242                 snd_soc_dapm_sync(&codec->dapm);
243 
244         wm8958_micd_set_rate(codec);
245 
246         return 0;
247 }
248 
249 static int check_clk_sys(struct snd_soc_dapm_widget *source,
250                          struct snd_soc_dapm_widget *sink)
251 {
252         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
253         int reg = snd_soc_read(codec, WM8994_CLOCKING_1);
254         const char *clk;
255 
256         /* Check what we're currently using for CLK_SYS */
257         if (reg & WM8994_SYSCLK_SRC)
258                 clk = "AIF2CLK";
259         else
260                 clk = "AIF1CLK";
261 
262         return strcmp(source->name, clk) == 0;
263 }
264 
265 static const char *sidetone_hpf_text[] = {
266         "2.7kHz", "1.35kHz", "675Hz", "370Hz", "180Hz", "90Hz", "45Hz"
267 };
268 
269 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
270                             WM8994_SIDETONE, 7, sidetone_hpf_text);
271 
272 static const char *adc_hpf_text[] = {
273         "HiFi", "Voice 1", "Voice 2", "Voice 3"
274 };
275 
276 static SOC_ENUM_SINGLE_DECL(aif1adc1_hpf,
277                             WM8994_AIF1_ADC1_FILTERS, 13, adc_hpf_text);
278 
279 static SOC_ENUM_SINGLE_DECL(aif1adc2_hpf,
280                             WM8994_AIF1_ADC2_FILTERS, 13, adc_hpf_text);
281 
282 static SOC_ENUM_SINGLE_DECL(aif2adc_hpf,
283                             WM8994_AIF2_ADC_FILTERS, 13, adc_hpf_text);
284 
285 static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0);
286 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
287 static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0);
288 static const DECLARE_TLV_DB_SCALE(wm8994_3d_tlv, -1600, 183, 0);
289 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
290 static const DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
291 static const DECLARE_TLV_DB_SCALE(mixin_boost_tlv, 0, 900, 0);
292 
293 #define WM8994_DRC_SWITCH(xname, reg, shift) \
294         SOC_SINGLE_EXT(xname, reg, shift, 1, 0, \
295                 snd_soc_get_volsw, wm8994_put_drc_sw)
296 
297 static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol,
298                              struct snd_ctl_elem_value *ucontrol)
299 {
300         struct soc_mixer_control *mc =
301                 (struct soc_mixer_control *)kcontrol->private_value;
302         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
303         int mask, ret;
304 
305         /* Can't enable both ADC and DAC paths simultaneously */
306         if (mc->shift == WM8994_AIF1DAC1_DRC_ENA_SHIFT)
307                 mask = WM8994_AIF1ADC1L_DRC_ENA_MASK |
308                         WM8994_AIF1ADC1R_DRC_ENA_MASK;
309         else
310                 mask = WM8994_AIF1DAC1_DRC_ENA_MASK;
311 
312         ret = snd_soc_read(codec, mc->reg);
313         if (ret < 0)
314                 return ret;
315         if (ret & mask)
316                 return -EINVAL;
317 
318         return snd_soc_put_volsw(kcontrol, ucontrol);
319 }
320 
321 static void wm8994_set_drc(struct snd_soc_codec *codec, int drc)
322 {
323         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
324         struct wm8994 *control = wm8994->wm8994;
325         struct wm8994_pdata *pdata = &control->pdata;
326         int base = wm8994_drc_base[drc];
327         int cfg = wm8994->drc_cfg[drc];
328         int save, i;
329 
330         /* Save any enables; the configuration should clear them. */
331         save = snd_soc_read(codec, base);
332         save &= WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
333                 WM8994_AIF1ADC1R_DRC_ENA;
334 
335         for (i = 0; i < WM8994_DRC_REGS; i++)
336                 snd_soc_update_bits(codec, base + i, 0xffff,
337                                     pdata->drc_cfgs[cfg].regs[i]);
338 
339         snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_DRC_ENA |
340                              WM8994_AIF1ADC1L_DRC_ENA |
341                              WM8994_AIF1ADC1R_DRC_ENA, save);
342 }
343 
344 /* Icky as hell but saves code duplication */
345 static int wm8994_get_drc(const char *name)
346 {
347         if (strcmp(name, "AIF1DRC1 Mode") == 0)
348                 return 0;
349         if (strcmp(name, "AIF1DRC2 Mode") == 0)
350                 return 1;
351         if (strcmp(name, "AIF2DRC Mode") == 0)
352                 return 2;
353         return -EINVAL;
354 }
355 
356 static int wm8994_put_drc_enum(struct snd_kcontrol *kcontrol,
357                                struct snd_ctl_elem_value *ucontrol)
358 {
359         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
360         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
361         struct wm8994 *control = wm8994->wm8994;
362         struct wm8994_pdata *pdata = &control->pdata;
363         int drc = wm8994_get_drc(kcontrol->id.name);
364         int value = ucontrol->value.integer.value[0];
365 
366         if (drc < 0)
367                 return drc;
368 
369         if (value >= pdata->num_drc_cfgs)
370                 return -EINVAL;
371 
372         wm8994->drc_cfg[drc] = value;
373 
374         wm8994_set_drc(codec, drc);
375 
376         return 0;
377 }
378 
379 static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol,
380                                struct snd_ctl_elem_value *ucontrol)
381 {
382         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
383         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
384         int drc = wm8994_get_drc(kcontrol->id.name);
385 
386         if (drc < 0)
387                 return drc;
388         ucontrol->value.enumerated.item[0] = wm8994->drc_cfg[drc];
389 
390         return 0;
391 }
392 
393 static void wm8994_set_retune_mobile(struct snd_soc_codec *codec, int block)
394 {
395         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
396         struct wm8994 *control = wm8994->wm8994;
397         struct wm8994_pdata *pdata = &control->pdata;
398         int base = wm8994_retune_mobile_base[block];
399         int iface, best, best_val, save, i, cfg;
400 
401         if (!pdata || !wm8994->num_retune_mobile_texts)
402                 return;
403 
404         switch (block) {
405         case 0:
406         case 1:
407                 iface = 0;
408                 break;
409         case 2:
410                 iface = 1;
411                 break;
412         default:
413                 return;
414         }
415 
416         /* Find the version of the currently selected configuration
417          * with the nearest sample rate. */
418         cfg = wm8994->retune_mobile_cfg[block];
419         best = 0;
420         best_val = INT_MAX;
421         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
422                 if (strcmp(pdata->retune_mobile_cfgs[i].name,
423                            wm8994->retune_mobile_texts[cfg]) == 0 &&
424                     abs(pdata->retune_mobile_cfgs[i].rate
425                         - wm8994->dac_rates[iface]) < best_val) {
426                         best = i;
427                         best_val = abs(pdata->retune_mobile_cfgs[i].rate
428                                        - wm8994->dac_rates[iface]);
429                 }
430         }
431 
432         dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
433                 block,
434                 pdata->retune_mobile_cfgs[best].name,
435                 pdata->retune_mobile_cfgs[best].rate,
436                 wm8994->dac_rates[iface]);
437 
438         /* The EQ will be disabled while reconfiguring it, remember the
439          * current configuration.
440          */
441         save = snd_soc_read(codec, base);
442         save &= WM8994_AIF1DAC1_EQ_ENA;
443 
444         for (i = 0; i < WM8994_EQ_REGS; i++)
445                 snd_soc_update_bits(codec, base + i, 0xffff,
446                                 pdata->retune_mobile_cfgs[best].regs[i]);
447 
448         snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_EQ_ENA, save);
449 }
450 
451 /* Icky as hell but saves code duplication */
452 static int wm8994_get_retune_mobile_block(const char *name)
453 {
454         if (strcmp(name, "AIF1.1 EQ Mode") == 0)
455                 return 0;
456         if (strcmp(name, "AIF1.2 EQ Mode") == 0)
457                 return 1;
458         if (strcmp(name, "AIF2 EQ Mode") == 0)
459                 return 2;
460         return -EINVAL;
461 }
462 
463 static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
464                                          struct snd_ctl_elem_value *ucontrol)
465 {
466         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
467         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
468         struct wm8994 *control = wm8994->wm8994;
469         struct wm8994_pdata *pdata = &control->pdata;
470         int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
471         int value = ucontrol->value.integer.value[0];
472 
473         if (block < 0)
474                 return block;
475 
476         if (value >= pdata->num_retune_mobile_cfgs)
477                 return -EINVAL;
478 
479         wm8994->retune_mobile_cfg[block] = value;
480 
481         wm8994_set_retune_mobile(codec, block);
482 
483         return 0;
484 }
485 
486 static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
487                                          struct snd_ctl_elem_value *ucontrol)
488 {
489         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
490         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
491         int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
492 
493         if (block < 0)
494                 return block;
495 
496         ucontrol->value.enumerated.item[0] = wm8994->retune_mobile_cfg[block];
497 
498         return 0;
499 }
500 
501 static const char *aif_chan_src_text[] = {
502         "Left", "Right"
503 };
504 
505 static SOC_ENUM_SINGLE_DECL(aif1adcl_src,
506                             WM8994_AIF1_CONTROL_1, 15, aif_chan_src_text);
507 
508 static SOC_ENUM_SINGLE_DECL(aif1adcr_src,
509                             WM8994_AIF1_CONTROL_1, 14, aif_chan_src_text);
510 
511 static SOC_ENUM_SINGLE_DECL(aif2adcl_src,
512                             WM8994_AIF2_CONTROL_1, 15, aif_chan_src_text);
513 
514 static SOC_ENUM_SINGLE_DECL(aif2adcr_src,
515                             WM8994_AIF2_CONTROL_1, 14, aif_chan_src_text);
516 
517 static SOC_ENUM_SINGLE_DECL(aif1dacl_src,
518                             WM8994_AIF1_CONTROL_2, 15, aif_chan_src_text);
519 
520 static SOC_ENUM_SINGLE_DECL(aif1dacr_src,
521                             WM8994_AIF1_CONTROL_2, 14, aif_chan_src_text);
522 
523 static SOC_ENUM_SINGLE_DECL(aif2dacl_src,
524                             WM8994_AIF2_CONTROL_2, 15, aif_chan_src_text);
525 
526 static SOC_ENUM_SINGLE_DECL(aif2dacr_src,
527                             WM8994_AIF2_CONTROL_2, 14, aif_chan_src_text);
528 
529 static const char *osr_text[] = {
530         "Low Power", "High Performance",
531 };
532 
533 static SOC_ENUM_SINGLE_DECL(dac_osr,
534                             WM8994_OVERSAMPLING, 0, osr_text);
535 
536 static SOC_ENUM_SINGLE_DECL(adc_osr,
537                             WM8994_OVERSAMPLING, 1, osr_text);
538 
539 static const struct snd_kcontrol_new wm8994_snd_controls[] = {
540 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME,
541                  WM8994_AIF1_ADC1_RIGHT_VOLUME,
542                  1, 119, 0, digital_tlv),
543 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8994_AIF1_ADC2_LEFT_VOLUME,
544                  WM8994_AIF1_ADC2_RIGHT_VOLUME,
545                  1, 119, 0, digital_tlv),
546 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8994_AIF2_ADC_LEFT_VOLUME,
547                  WM8994_AIF2_ADC_RIGHT_VOLUME,
548                  1, 119, 0, digital_tlv),
549 
550 SOC_ENUM("AIF1ADCL Source", aif1adcl_src),
551 SOC_ENUM("AIF1ADCR Source", aif1adcr_src),
552 SOC_ENUM("AIF2ADCL Source", aif2adcl_src),
553 SOC_ENUM("AIF2ADCR Source", aif2adcr_src),
554 
555 SOC_ENUM("AIF1DACL Source", aif1dacl_src),
556 SOC_ENUM("AIF1DACR Source", aif1dacr_src),
557 SOC_ENUM("AIF2DACL Source", aif2dacl_src),
558 SOC_ENUM("AIF2DACR Source", aif2dacr_src),
559 
560 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8994_AIF1_DAC1_LEFT_VOLUME,
561                  WM8994_AIF1_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
562 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8994_AIF1_DAC2_LEFT_VOLUME,
563                  WM8994_AIF1_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
564 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8994_AIF2_DAC_LEFT_VOLUME,
565                  WM8994_AIF2_DAC_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
566 
567 SOC_SINGLE_TLV("AIF1 Boost Volume", WM8994_AIF1_CONTROL_2, 10, 3, 0, aif_tlv),
568 SOC_SINGLE_TLV("AIF2 Boost Volume", WM8994_AIF2_CONTROL_2, 10, 3, 0, aif_tlv),
569 
570 SOC_SINGLE("AIF1DAC1 EQ Switch", WM8994_AIF1_DAC1_EQ_GAINS_1, 0, 1, 0),
571 SOC_SINGLE("AIF1DAC2 EQ Switch", WM8994_AIF1_DAC2_EQ_GAINS_1, 0, 1, 0),
572 SOC_SINGLE("AIF2 EQ Switch", WM8994_AIF2_EQ_GAINS_1, 0, 1, 0),
573 
574 WM8994_DRC_SWITCH("AIF1DAC1 DRC Switch", WM8994_AIF1_DRC1_1, 2),
575 WM8994_DRC_SWITCH("AIF1ADC1L DRC Switch", WM8994_AIF1_DRC1_1, 1),
576 WM8994_DRC_SWITCH("AIF1ADC1R DRC Switch", WM8994_AIF1_DRC1_1, 0),
577 
578 WM8994_DRC_SWITCH("AIF1DAC2 DRC Switch", WM8994_AIF1_DRC2_1, 2),
579 WM8994_DRC_SWITCH("AIF1ADC2L DRC Switch", WM8994_AIF1_DRC2_1, 1),
580 WM8994_DRC_SWITCH("AIF1ADC2R DRC Switch", WM8994_AIF1_DRC2_1, 0),
581 
582 WM8994_DRC_SWITCH("AIF2DAC DRC Switch", WM8994_AIF2_DRC_1, 2),
583 WM8994_DRC_SWITCH("AIF2ADCL DRC Switch", WM8994_AIF2_DRC_1, 1),
584 WM8994_DRC_SWITCH("AIF2ADCR DRC Switch", WM8994_AIF2_DRC_1, 0),
585 
586 SOC_SINGLE_TLV("DAC1 Right Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
587                5, 12, 0, st_tlv),
588 SOC_SINGLE_TLV("DAC1 Left Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
589                0, 12, 0, st_tlv),
590 SOC_SINGLE_TLV("DAC2 Right Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
591                5, 12, 0, st_tlv),
592 SOC_SINGLE_TLV("DAC2 Left Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
593                0, 12, 0, st_tlv),
594 SOC_ENUM("Sidetone HPF Mux", sidetone_hpf),
595 SOC_SINGLE("Sidetone HPF Switch", WM8994_SIDETONE, 6, 1, 0),
596 
597 SOC_ENUM("AIF1ADC1 HPF Mode", aif1adc1_hpf),
598 SOC_DOUBLE("AIF1ADC1 HPF Switch", WM8994_AIF1_ADC1_FILTERS, 12, 11, 1, 0),
599 
600 SOC_ENUM("AIF1ADC2 HPF Mode", aif1adc2_hpf),
601 SOC_DOUBLE("AIF1ADC2 HPF Switch", WM8994_AIF1_ADC2_FILTERS, 12, 11, 1, 0),
602 
603 SOC_ENUM("AIF2ADC HPF Mode", aif2adc_hpf),
604 SOC_DOUBLE("AIF2ADC HPF Switch", WM8994_AIF2_ADC_FILTERS, 12, 11, 1, 0),
605 
606 SOC_ENUM("ADC OSR", adc_osr),
607 SOC_ENUM("DAC OSR", dac_osr),
608 
609 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8994_DAC1_LEFT_VOLUME,
610                  WM8994_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
611 SOC_DOUBLE_R("DAC1 Switch", WM8994_DAC1_LEFT_VOLUME,
612              WM8994_DAC1_RIGHT_VOLUME, 9, 1, 1),
613 
614 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8994_DAC2_LEFT_VOLUME,
615                  WM8994_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
616 SOC_DOUBLE_R("DAC2 Switch", WM8994_DAC2_LEFT_VOLUME,
617              WM8994_DAC2_RIGHT_VOLUME, 9, 1, 1),
618 
619 SOC_SINGLE_TLV("SPKL DAC2 Volume", WM8994_SPKMIXL_ATTENUATION,
620                6, 1, 1, wm_hubs_spkmix_tlv),
621 SOC_SINGLE_TLV("SPKL DAC1 Volume", WM8994_SPKMIXL_ATTENUATION,
622                2, 1, 1, wm_hubs_spkmix_tlv),
623 
624 SOC_SINGLE_TLV("SPKR DAC2 Volume", WM8994_SPKMIXR_ATTENUATION,
625                6, 1, 1, wm_hubs_spkmix_tlv),
626 SOC_SINGLE_TLV("SPKR DAC1 Volume", WM8994_SPKMIXR_ATTENUATION,
627                2, 1, 1, wm_hubs_spkmix_tlv),
628 
629 SOC_SINGLE_TLV("AIF1DAC1 3D Stereo Volume", WM8994_AIF1_DAC1_FILTERS_2,
630                10, 15, 0, wm8994_3d_tlv),
631 SOC_SINGLE("AIF1DAC1 3D Stereo Switch", WM8994_AIF1_DAC1_FILTERS_2,
632            8, 1, 0),
633 SOC_SINGLE_TLV("AIF1DAC2 3D Stereo Volume", WM8994_AIF1_DAC2_FILTERS_2,
634                10, 15, 0, wm8994_3d_tlv),
635 SOC_SINGLE("AIF1DAC2 3D Stereo Switch", WM8994_AIF1_DAC2_FILTERS_2,
636            8, 1, 0),
637 SOC_SINGLE_TLV("AIF2DAC 3D Stereo Volume", WM8994_AIF2_DAC_FILTERS_2,
638                10, 15, 0, wm8994_3d_tlv),
639 SOC_SINGLE("AIF2DAC 3D Stereo Switch", WM8994_AIF2_DAC_FILTERS_2,
640            8, 1, 0),
641 };
642 
643 static const struct snd_kcontrol_new wm8994_eq_controls[] = {
644 SOC_SINGLE_TLV("AIF1DAC1 EQ1 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 11, 31, 0,
645                eq_tlv),
646 SOC_SINGLE_TLV("AIF1DAC1 EQ2 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 6, 31, 0,
647                eq_tlv),
648 SOC_SINGLE_TLV("AIF1DAC1 EQ3 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 1, 31, 0,
649                eq_tlv),
650 SOC_SINGLE_TLV("AIF1DAC1 EQ4 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 11, 31, 0,
651                eq_tlv),
652 SOC_SINGLE_TLV("AIF1DAC1 EQ5 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 6, 31, 0,
653                eq_tlv),
654 
655 SOC_SINGLE_TLV("AIF1DAC2 EQ1 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 11, 31, 0,
656                eq_tlv),
657 SOC_SINGLE_TLV("AIF1DAC2 EQ2 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 6, 31, 0,
658                eq_tlv),
659 SOC_SINGLE_TLV("AIF1DAC2 EQ3 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 1, 31, 0,
660                eq_tlv),
661 SOC_SINGLE_TLV("AIF1DAC2 EQ4 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 11, 31, 0,
662                eq_tlv),
663 SOC_SINGLE_TLV("AIF1DAC2 EQ5 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 6, 31, 0,
664                eq_tlv),
665 
666 SOC_SINGLE_TLV("AIF2 EQ1 Volume", WM8994_AIF2_EQ_GAINS_1, 11, 31, 0,
667                eq_tlv),
668 SOC_SINGLE_TLV("AIF2 EQ2 Volume", WM8994_AIF2_EQ_GAINS_1, 6, 31, 0,
669                eq_tlv),
670 SOC_SINGLE_TLV("AIF2 EQ3 Volume", WM8994_AIF2_EQ_GAINS_1, 1, 31, 0,
671                eq_tlv),
672 SOC_SINGLE_TLV("AIF2 EQ4 Volume", WM8994_AIF2_EQ_GAINS_2, 11, 31, 0,
673                eq_tlv),
674 SOC_SINGLE_TLV("AIF2 EQ5 Volume", WM8994_AIF2_EQ_GAINS_2, 6, 31, 0,
675                eq_tlv),
676 };
677 
678 static const struct snd_kcontrol_new wm8994_drc_controls[] = {
679 SND_SOC_BYTES_MASK("AIF1.1 DRC", WM8994_AIF1_DRC1_1, 5,
680                    WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
681                    WM8994_AIF1ADC1R_DRC_ENA),
682 SND_SOC_BYTES_MASK("AIF1.2 DRC", WM8994_AIF1_DRC2_1, 5,
683                    WM8994_AIF1DAC2_DRC_ENA | WM8994_AIF1ADC2L_DRC_ENA |
684                    WM8994_AIF1ADC2R_DRC_ENA),
685 SND_SOC_BYTES_MASK("AIF2 DRC", WM8994_AIF2_DRC_1, 5,
686                    WM8994_AIF2DAC_DRC_ENA | WM8994_AIF2ADCL_DRC_ENA |
687                    WM8994_AIF2ADCR_DRC_ENA),
688 };
689 
690 static const char *wm8958_ng_text[] = {
691         "30ms", "125ms", "250ms", "500ms",
692 };
693 
694 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac1_ng_hold,
695                             WM8958_AIF1_DAC1_NOISE_GATE,
696                             WM8958_AIF1DAC1_NG_THR_SHIFT,
697                             wm8958_ng_text);
698 
699 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac2_ng_hold,
700                             WM8958_AIF1_DAC2_NOISE_GATE,
701                             WM8958_AIF1DAC2_NG_THR_SHIFT,
702                             wm8958_ng_text);
703 
704 static SOC_ENUM_SINGLE_DECL(wm8958_aif2dac_ng_hold,
705                             WM8958_AIF2_DAC_NOISE_GATE,
706                             WM8958_AIF2DAC_NG_THR_SHIFT,
707                             wm8958_ng_text);
708 
709 static const struct snd_kcontrol_new wm8958_snd_controls[] = {
710 SOC_SINGLE_TLV("AIF3 Boost Volume", WM8958_AIF3_CONTROL_2, 10, 3, 0, aif_tlv),
711 
712 SOC_SINGLE("AIF1DAC1 Noise Gate Switch", WM8958_AIF1_DAC1_NOISE_GATE,
713            WM8958_AIF1DAC1_NG_ENA_SHIFT, 1, 0),
714 SOC_ENUM("AIF1DAC1 Noise Gate Hold Time", wm8958_aif1dac1_ng_hold),
715 SOC_SINGLE_TLV("AIF1DAC1 Noise Gate Threshold Volume",
716                WM8958_AIF1_DAC1_NOISE_GATE, WM8958_AIF1DAC1_NG_THR_SHIFT,
717                7, 1, ng_tlv),
718 
719 SOC_SINGLE("AIF1DAC2 Noise Gate Switch", WM8958_AIF1_DAC2_NOISE_GATE,
720            WM8958_AIF1DAC2_NG_ENA_SHIFT, 1, 0),
721 SOC_ENUM("AIF1DAC2 Noise Gate Hold Time", wm8958_aif1dac2_ng_hold),
722 SOC_SINGLE_TLV("AIF1DAC2 Noise Gate Threshold Volume",
723                WM8958_AIF1_DAC2_NOISE_GATE, WM8958_AIF1DAC2_NG_THR_SHIFT,
724                7, 1, ng_tlv),
725 
726 SOC_SINGLE("AIF2DAC Noise Gate Switch", WM8958_AIF2_DAC_NOISE_GATE,
727            WM8958_AIF2DAC_NG_ENA_SHIFT, 1, 0),
728 SOC_ENUM("AIF2DAC Noise Gate Hold Time", wm8958_aif2dac_ng_hold),
729 SOC_SINGLE_TLV("AIF2DAC Noise Gate Threshold Volume",
730                WM8958_AIF2_DAC_NOISE_GATE, WM8958_AIF2DAC_NG_THR_SHIFT,
731                7, 1, ng_tlv),
732 };
733 
734 static const struct snd_kcontrol_new wm1811_snd_controls[] = {
735 SOC_SINGLE_TLV("MIXINL IN1LP Boost Volume", WM8994_INPUT_MIXER_1, 7, 1, 0,
736                mixin_boost_tlv),
737 SOC_SINGLE_TLV("MIXINL IN1RP Boost Volume", WM8994_INPUT_MIXER_1, 8, 1, 0,
738                mixin_boost_tlv),
739 };
740 
741 /* We run all mode setting through a function to enforce audio mode */
742 static void wm1811_jackdet_set_mode(struct snd_soc_codec *codec, u16 mode)
743 {
744         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
745 
746         if (!wm8994->jackdet || !wm8994->micdet[0].jack)
747                 return;
748 
749         if (wm8994->active_refcount)
750                 mode = WM1811_JACKDET_MODE_AUDIO;
751 
752         if (mode == wm8994->jackdet_mode)
753                 return;
754 
755         wm8994->jackdet_mode = mode;
756 
757         /* Always use audio mode to detect while the system is active */
758         if (mode != WM1811_JACKDET_MODE_NONE)
759                 mode = WM1811_JACKDET_MODE_AUDIO;
760 
761         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
762                             WM1811_JACKDET_MODE_MASK, mode);
763 }
764 
765 static void active_reference(struct snd_soc_codec *codec)
766 {
767         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
768 
769         mutex_lock(&wm8994->accdet_lock);
770 
771         wm8994->active_refcount++;
772 
773         dev_dbg(codec->dev, "Active refcount incremented, now %d\n",
774                 wm8994->active_refcount);
775 
776         /* If we're using jack detection go into audio mode */
777         wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_AUDIO);
778 
779         mutex_unlock(&wm8994->accdet_lock);
780 }
781 
782 static void active_dereference(struct snd_soc_codec *codec)
783 {
784         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
785         u16 mode;
786 
787         mutex_lock(&wm8994->accdet_lock);
788 
789         wm8994->active_refcount--;
790 
791         dev_dbg(codec->dev, "Active refcount decremented, now %d\n",
792                 wm8994->active_refcount);
793 
794         if (wm8994->active_refcount == 0) {
795                 /* Go into appropriate detection only mode */
796                 if (wm8994->jack_mic || wm8994->mic_detecting)
797                         mode = WM1811_JACKDET_MODE_MIC;
798                 else
799                         mode = WM1811_JACKDET_MODE_JACK;
800 
801                 wm1811_jackdet_set_mode(codec, mode);
802         }
803 
804         mutex_unlock(&wm8994->accdet_lock);
805 }
806 
807 static int clk_sys_event(struct snd_soc_dapm_widget *w,
808                          struct snd_kcontrol *kcontrol, int event)
809 {
810         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
811         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
812 
813         switch (event) {
814         case SND_SOC_DAPM_PRE_PMU:
815                 return configure_clock(codec);
816 
817         case SND_SOC_DAPM_POST_PMU:
818                 /*
819                  * JACKDET won't run until we start the clock and it
820                  * only reports deltas, make sure we notify the state
821                  * up the stack on startup.  Use a *very* generous
822                  * timeout for paranoia, there's no urgency and we
823                  * don't want false reports.
824                  */
825                 if (wm8994->jackdet && !wm8994->clk_has_run) {
826                         queue_delayed_work(system_power_efficient_wq,
827                                            &wm8994->jackdet_bootstrap,
828                                            msecs_to_jiffies(1000));
829                         wm8994->clk_has_run = true;
830                 }
831                 break;
832 
833         case SND_SOC_DAPM_POST_PMD:
834                 configure_clock(codec);
835                 break;
836         }
837 
838         return 0;
839 }
840 
841 static void vmid_reference(struct snd_soc_codec *codec)
842 {
843         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
844 
845         pm_runtime_get_sync(codec->dev);
846 
847         wm8994->vmid_refcount++;
848 
849         dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n",
850                 wm8994->vmid_refcount);
851 
852         if (wm8994->vmid_refcount == 1) {
853                 snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
854                                     WM8994_LINEOUT1_DISCH |
855                                     WM8994_LINEOUT2_DISCH, 0);
856 
857                 wm_hubs_vmid_ena(codec);
858 
859                 switch (wm8994->vmid_mode) {
860                 default:
861                         WARN_ON(NULL == "Invalid VMID mode");
862                 case WM8994_VMID_NORMAL:
863                         /* Startup bias, VMID ramp & buffer */
864                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
865                                             WM8994_BIAS_SRC |
866                                             WM8994_VMID_DISCH |
867                                             WM8994_STARTUP_BIAS_ENA |
868                                             WM8994_VMID_BUF_ENA |
869                                             WM8994_VMID_RAMP_MASK,
870                                             WM8994_BIAS_SRC |
871                                             WM8994_STARTUP_BIAS_ENA |
872                                             WM8994_VMID_BUF_ENA |
873                                             (0x2 << WM8994_VMID_RAMP_SHIFT));
874 
875                         /* Main bias enable, VMID=2x40k */
876                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
877                                             WM8994_BIAS_ENA |
878                                             WM8994_VMID_SEL_MASK,
879                                             WM8994_BIAS_ENA | 0x2);
880 
881                         msleep(300);
882 
883                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
884                                             WM8994_VMID_RAMP_MASK |
885                                             WM8994_BIAS_SRC,
886                                             0);
887                         break;
888 
889                 case WM8994_VMID_FORCE:
890                         /* Startup bias, slow VMID ramp & buffer */
891                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
892                                             WM8994_BIAS_SRC |
893                                             WM8994_VMID_DISCH |
894                                             WM8994_STARTUP_BIAS_ENA |
895                                             WM8994_VMID_BUF_ENA |
896                                             WM8994_VMID_RAMP_MASK,
897                                             WM8994_BIAS_SRC |
898                                             WM8994_STARTUP_BIAS_ENA |
899                                             WM8994_VMID_BUF_ENA |
900                                             (0x2 << WM8994_VMID_RAMP_SHIFT));
901 
902                         /* Main bias enable, VMID=2x40k */
903                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
904                                             WM8994_BIAS_ENA |
905                                             WM8994_VMID_SEL_MASK,
906                                             WM8994_BIAS_ENA | 0x2);
907 
908                         msleep(400);
909 
910                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
911                                             WM8994_VMID_RAMP_MASK |
912                                             WM8994_BIAS_SRC,
913                                             0);
914                         break;
915                 }
916         }
917 }
918 
919 static void vmid_dereference(struct snd_soc_codec *codec)
920 {
921         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
922 
923         wm8994->vmid_refcount--;
924 
925         dev_dbg(codec->dev, "Dereferencing VMID, refcount is now %d\n",
926                 wm8994->vmid_refcount);
927 
928         if (wm8994->vmid_refcount == 0) {
929                 if (wm8994->hubs.lineout1_se)
930                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
931                                             WM8994_LINEOUT1N_ENA |
932                                             WM8994_LINEOUT1P_ENA,
933                                             WM8994_LINEOUT1N_ENA |
934                                             WM8994_LINEOUT1P_ENA);
935 
936                 if (wm8994->hubs.lineout2_se)
937                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
938                                             WM8994_LINEOUT2N_ENA |
939                                             WM8994_LINEOUT2P_ENA,
940                                             WM8994_LINEOUT2N_ENA |
941                                             WM8994_LINEOUT2P_ENA);
942 
943                 /* Start discharging VMID */
944                 snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
945                                     WM8994_BIAS_SRC |
946                                     WM8994_VMID_DISCH,
947                                     WM8994_BIAS_SRC |
948                                     WM8994_VMID_DISCH);
949 
950                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
951                                     WM8994_VMID_SEL_MASK, 0);
952 
953                 msleep(400);
954 
955                 /* Active discharge */
956                 snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
957                                     WM8994_LINEOUT1_DISCH |
958                                     WM8994_LINEOUT2_DISCH,
959                                     WM8994_LINEOUT1_DISCH |
960                                     WM8994_LINEOUT2_DISCH);
961 
962                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
963                                     WM8994_LINEOUT1N_ENA |
964                                     WM8994_LINEOUT1P_ENA |
965                                     WM8994_LINEOUT2N_ENA |
966                                     WM8994_LINEOUT2P_ENA, 0);
967 
968                 /* Switch off startup biases */
969                 snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
970                                     WM8994_BIAS_SRC |
971                                     WM8994_STARTUP_BIAS_ENA |
972                                     WM8994_VMID_BUF_ENA |
973                                     WM8994_VMID_RAMP_MASK, 0);
974 
975                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
976                                     WM8994_VMID_SEL_MASK, 0);
977         }
978 
979         pm_runtime_put(codec->dev);
980 }
981 
982 static int vmid_event(struct snd_soc_dapm_widget *w,
983                       struct snd_kcontrol *kcontrol, int event)
984 {
985         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
986 
987         switch (event) {
988         case SND_SOC_DAPM_PRE_PMU:
989                 vmid_reference(codec);
990                 break;
991 
992         case SND_SOC_DAPM_POST_PMD:
993                 vmid_dereference(codec);
994                 break;
995         }
996 
997         return 0;
998 }
999 
1000 static bool wm8994_check_class_w_digital(struct snd_soc_codec *codec)
1001 {
1002         int source = 0;  /* GCC flow analysis can't track enable */
1003         int reg, reg_r;
1004 
1005         /* We also need the same AIF source for L/R and only one path */
1006         reg = snd_soc_read(codec, WM8994_DAC1_LEFT_MIXER_ROUTING);
1007         switch (reg) {
1008         case WM8994_AIF2DACL_TO_DAC1L:
1009                 dev_vdbg(codec->dev, "Class W source AIF2DAC\n");
1010                 source = 2 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1011                 break;
1012         case WM8994_AIF1DAC2L_TO_DAC1L:
1013                 dev_vdbg(codec->dev, "Class W source AIF1DAC2\n");
1014                 source = 1 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1015                 break;
1016         case WM8994_AIF1DAC1L_TO_DAC1L:
1017                 dev_vdbg(codec->dev, "Class W source AIF1DAC1\n");
1018                 source = 0 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1019                 break;
1020         default:
1021                 dev_vdbg(codec->dev, "DAC mixer setting: %x\n", reg);
1022                 return false;
1023         }
1024 
1025         reg_r = snd_soc_read(codec, WM8994_DAC1_RIGHT_MIXER_ROUTING);
1026         if (reg_r != reg) {
1027                 dev_vdbg(codec->dev, "Left and right DAC mixers different\n");
1028                 return false;
1029         }
1030 
1031         /* Set the source up */
1032         snd_soc_update_bits(codec, WM8994_CLASS_W_1,
1033                             WM8994_CP_DYN_SRC_SEL_MASK, source);
1034 
1035         return true;
1036 }
1037 
1038 static int aif1clk_ev(struct snd_soc_dapm_widget *w,
1039                       struct snd_kcontrol *kcontrol, int event)
1040 {
1041         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1042         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1043         struct wm8994 *control = wm8994->wm8994;
1044         int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
1045         int i;
1046         int dac;
1047         int adc;
1048         int val;
1049 
1050         switch (control->type) {
1051         case WM8994:
1052         case WM8958:
1053                 mask |= WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA;
1054                 break;
1055         default:
1056                 break;
1057         }
1058 
1059         switch (event) {
1060         case SND_SOC_DAPM_PRE_PMU:
1061                 /* Don't enable timeslot 2 if not in use */
1062                 if (wm8994->channels[0] <= 2)
1063                         mask &= ~(WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
1064 
1065                 val = snd_soc_read(codec, WM8994_AIF1_CONTROL_1);
1066                 if ((val & WM8994_AIF1ADCL_SRC) &&
1067                     (val & WM8994_AIF1ADCR_SRC))
1068                         adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA;
1069                 else if (!(val & WM8994_AIF1ADCL_SRC) &&
1070                          !(val & WM8994_AIF1ADCR_SRC))
1071                         adc = WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1072                 else
1073                         adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA |
1074                                 WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1075 
1076                 val = snd_soc_read(codec, WM8994_AIF1_CONTROL_2);
1077                 if ((val & WM8994_AIF1DACL_SRC) &&
1078                     (val & WM8994_AIF1DACR_SRC))
1079                         dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA;
1080                 else if (!(val & WM8994_AIF1DACL_SRC) &&
1081                          !(val & WM8994_AIF1DACR_SRC))
1082                         dac = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1083                 else
1084                         dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA |
1085                                 WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1086 
1087                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1088                                     mask, adc);
1089                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1090                                     mask, dac);
1091                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1092                                     WM8994_AIF1DSPCLK_ENA |
1093                                     WM8994_SYSDSPCLK_ENA,
1094                                     WM8994_AIF1DSPCLK_ENA |
1095                                     WM8994_SYSDSPCLK_ENA);
1096                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4, mask,
1097                                     WM8994_AIF1ADC1R_ENA |
1098                                     WM8994_AIF1ADC1L_ENA |
1099                                     WM8994_AIF1ADC2R_ENA |
1100                                     WM8994_AIF1ADC2L_ENA);
1101                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5, mask,
1102                                     WM8994_AIF1DAC1R_ENA |
1103                                     WM8994_AIF1DAC1L_ENA |
1104                                     WM8994_AIF1DAC2R_ENA |
1105                                     WM8994_AIF1DAC2L_ENA);
1106                 break;
1107 
1108         case SND_SOC_DAPM_POST_PMU:
1109                 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1110                         snd_soc_write(codec, wm8994_vu_bits[i].reg,
1111                                       snd_soc_read(codec,
1112                                                    wm8994_vu_bits[i].reg));
1113                 break;
1114 
1115         case SND_SOC_DAPM_PRE_PMD:
1116         case SND_SOC_DAPM_POST_PMD:
1117                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1118                                     mask, 0);
1119                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1120                                     mask, 0);
1121 
1122                 val = snd_soc_read(codec, WM8994_CLOCKING_1);
1123                 if (val & WM8994_AIF2DSPCLK_ENA)
1124                         val = WM8994_SYSDSPCLK_ENA;
1125                 else
1126                         val = 0;
1127                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1128                                     WM8994_SYSDSPCLK_ENA |
1129                                     WM8994_AIF1DSPCLK_ENA, val);
1130                 break;
1131         }
1132 
1133         return 0;
1134 }
1135 
1136 static int aif2clk_ev(struct snd_soc_dapm_widget *w,
1137                       struct snd_kcontrol *kcontrol, int event)
1138 {
1139         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1140         int i;
1141         int dac;
1142         int adc;
1143         int val;
1144 
1145         switch (event) {
1146         case SND_SOC_DAPM_PRE_PMU:
1147                 val = snd_soc_read(codec, WM8994_AIF2_CONTROL_1);
1148                 if ((val & WM8994_AIF2ADCL_SRC) &&
1149                     (val & WM8994_AIF2ADCR_SRC))
1150                         adc = WM8994_AIF2ADCR_ENA;
1151                 else if (!(val & WM8994_AIF2ADCL_SRC) &&
1152                          !(val & WM8994_AIF2ADCR_SRC))
1153                         adc = WM8994_AIF2ADCL_ENA;
1154                 else
1155                         adc = WM8994_AIF2ADCL_ENA | WM8994_AIF2ADCR_ENA;
1156 
1157 
1158                 val = snd_soc_read(codec, WM8994_AIF2_CONTROL_2);
1159                 if ((val & WM8994_AIF2DACL_SRC) &&
1160                     (val & WM8994_AIF2DACR_SRC))
1161                         dac = WM8994_AIF2DACR_ENA;
1162                 else if (!(val & WM8994_AIF2DACL_SRC) &&
1163                          !(val & WM8994_AIF2DACR_SRC))
1164                         dac = WM8994_AIF2DACL_ENA;
1165                 else
1166                         dac = WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA;
1167 
1168                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1169                                     WM8994_AIF2ADCL_ENA |
1170                                     WM8994_AIF2ADCR_ENA, adc);
1171                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1172                                     WM8994_AIF2DACL_ENA |
1173                                     WM8994_AIF2DACR_ENA, dac);
1174                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1175                                     WM8994_AIF2DSPCLK_ENA |
1176                                     WM8994_SYSDSPCLK_ENA,
1177                                     WM8994_AIF2DSPCLK_ENA |
1178                                     WM8994_SYSDSPCLK_ENA);
1179                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1180                                     WM8994_AIF2ADCL_ENA |
1181                                     WM8994_AIF2ADCR_ENA,
1182                                     WM8994_AIF2ADCL_ENA |
1183                                     WM8994_AIF2ADCR_ENA);
1184                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1185                                     WM8994_AIF2DACL_ENA |
1186                                     WM8994_AIF2DACR_ENA,
1187                                     WM8994_AIF2DACL_ENA |
1188                                     WM8994_AIF2DACR_ENA);
1189                 break;
1190 
1191         case SND_SOC_DAPM_POST_PMU:
1192                 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1193                         snd_soc_write(codec, wm8994_vu_bits[i].reg,
1194                                       snd_soc_read(codec,
1195                                                    wm8994_vu_bits[i].reg));
1196                 break;
1197 
1198         case SND_SOC_DAPM_PRE_PMD:
1199         case SND_SOC_DAPM_POST_PMD:
1200                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1201                                     WM8994_AIF2DACL_ENA |
1202                                     WM8994_AIF2DACR_ENA, 0);
1203                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1204                                     WM8994_AIF2ADCL_ENA |
1205                                     WM8994_AIF2ADCR_ENA, 0);
1206 
1207                 val = snd_soc_read(codec, WM8994_CLOCKING_1);
1208                 if (val & WM8994_AIF1DSPCLK_ENA)
1209                         val = WM8994_SYSDSPCLK_ENA;
1210                 else
1211                         val = 0;
1212                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1213                                     WM8994_SYSDSPCLK_ENA |
1214                                     WM8994_AIF2DSPCLK_ENA, val);
1215                 break;
1216         }
1217 
1218         return 0;
1219 }
1220 
1221 static int aif1clk_late_ev(struct snd_soc_dapm_widget *w,
1222                            struct snd_kcontrol *kcontrol, int event)
1223 {
1224         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1225         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1226 
1227         switch (event) {
1228         case SND_SOC_DAPM_PRE_PMU:
1229                 wm8994->aif1clk_enable = 1;
1230                 break;
1231         case SND_SOC_DAPM_POST_PMD:
1232                 wm8994->aif1clk_disable = 1;
1233                 break;
1234         }
1235 
1236         return 0;
1237 }
1238 
1239 static int aif2clk_late_ev(struct snd_soc_dapm_widget *w,
1240                            struct snd_kcontrol *kcontrol, int event)
1241 {
1242         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1243         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1244 
1245         switch (event) {
1246         case SND_SOC_DAPM_PRE_PMU:
1247                 wm8994->aif2clk_enable = 1;
1248                 break;
1249         case SND_SOC_DAPM_POST_PMD:
1250                 wm8994->aif2clk_disable = 1;
1251                 break;
1252         }
1253 
1254         return 0;
1255 }
1256 
1257 static int late_enable_ev(struct snd_soc_dapm_widget *w,
1258                           struct snd_kcontrol *kcontrol, int event)
1259 {
1260         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1261         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1262 
1263         switch (event) {
1264         case SND_SOC_DAPM_PRE_PMU:
1265                 if (wm8994->aif1clk_enable) {
1266                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1267                         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1268                                             WM8994_AIF1CLK_ENA_MASK,
1269                                             WM8994_AIF1CLK_ENA);
1270                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1271                         wm8994->aif1clk_enable = 0;
1272                 }
1273                 if (wm8994->aif2clk_enable) {
1274                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1275                         snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1276                                             WM8994_AIF2CLK_ENA_MASK,
1277                                             WM8994_AIF2CLK_ENA);
1278                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1279                         wm8994->aif2clk_enable = 0;
1280                 }
1281                 break;
1282         }
1283 
1284         /* We may also have postponed startup of DSP, handle that. */
1285         wm8958_aif_ev(w, kcontrol, event);
1286 
1287         return 0;
1288 }
1289 
1290 static int late_disable_ev(struct snd_soc_dapm_widget *w,
1291                            struct snd_kcontrol *kcontrol, int event)
1292 {
1293         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1294         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1295 
1296         switch (event) {
1297         case SND_SOC_DAPM_POST_PMD:
1298                 if (wm8994->aif1clk_disable) {
1299                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1300                         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1301                                             WM8994_AIF1CLK_ENA_MASK, 0);
1302                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1303                         wm8994->aif1clk_disable = 0;
1304                 }
1305                 if (wm8994->aif2clk_disable) {
1306                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1307                         snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1308                                             WM8994_AIF2CLK_ENA_MASK, 0);
1309                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1310                         wm8994->aif2clk_disable = 0;
1311                 }
1312                 break;
1313         }
1314 
1315         return 0;
1316 }
1317 
1318 static int adc_mux_ev(struct snd_soc_dapm_widget *w,
1319                       struct snd_kcontrol *kcontrol, int event)
1320 {
1321         late_enable_ev(w, kcontrol, event);
1322         return 0;
1323 }
1324 
1325 static int micbias_ev(struct snd_soc_dapm_widget *w,
1326                       struct snd_kcontrol *kcontrol, int event)
1327 {
1328         late_enable_ev(w, kcontrol, event);
1329         return 0;
1330 }
1331 
1332 static int dac_ev(struct snd_soc_dapm_widget *w,
1333                   struct snd_kcontrol *kcontrol, int event)
1334 {
1335         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1336         unsigned int mask = 1 << w->shift;
1337 
1338         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1339                             mask, mask);
1340         return 0;
1341 }
1342 
1343 static const char *adc_mux_text[] = {
1344         "ADC",
1345         "DMIC",
1346 };
1347 
1348 static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
1349 
1350 static const struct snd_kcontrol_new adcl_mux =
1351         SOC_DAPM_ENUM("ADCL Mux", adc_enum);
1352 
1353 static const struct snd_kcontrol_new adcr_mux =
1354         SOC_DAPM_ENUM("ADCR Mux", adc_enum);
1355 
1356 static const struct snd_kcontrol_new left_speaker_mixer[] = {
1357 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 9, 1, 0),
1358 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 7, 1, 0),
1359 SOC_DAPM_SINGLE("IN1LP Switch", WM8994_SPEAKER_MIXER, 5, 1, 0),
1360 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 3, 1, 0),
1361 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 1, 1, 0),
1362 };
1363 
1364 static const struct snd_kcontrol_new right_speaker_mixer[] = {
1365 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 8, 1, 0),
1366 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 6, 1, 0),
1367 SOC_DAPM_SINGLE("IN1RP Switch", WM8994_SPEAKER_MIXER, 4, 1, 0),
1368 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 2, 1, 0),
1369 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 0, 1, 0),
1370 };
1371 
1372 /* Debugging; dump chip status after DAPM transitions */
1373 static int post_ev(struct snd_soc_dapm_widget *w,
1374             struct snd_kcontrol *kcontrol, int event)
1375 {
1376         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1377         dev_dbg(codec->dev, "SRC status: %x\n",
1378                 snd_soc_read(codec,
1379                              WM8994_RATE_STATUS));
1380         return 0;
1381 }
1382 
1383 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
1384 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1385                 1, 1, 0),
1386 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1387                 0, 1, 0),
1388 };
1389 
1390 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
1391 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1392                 1, 1, 0),
1393 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1394                 0, 1, 0),
1395 };
1396 
1397 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
1398 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1399                 1, 1, 0),
1400 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1401                 0, 1, 0),
1402 };
1403 
1404 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
1405 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1406                 1, 1, 0),
1407 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1408                 0, 1, 0),
1409 };
1410 
1411 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
1412 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1413                 5, 1, 0),
1414 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1415                 4, 1, 0),
1416 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1417                 2, 1, 0),
1418 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1419                 1, 1, 0),
1420 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1421                 0, 1, 0),
1422 };
1423 
1424 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
1425 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1426                 5, 1, 0),
1427 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1428                 4, 1, 0),
1429 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1430                 2, 1, 0),
1431 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1432                 1, 1, 0),
1433 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1434                 0, 1, 0),
1435 };
1436 
1437 #define WM8994_CLASS_W_SWITCH(xname, reg, shift, max, invert) \
1438         SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
1439                 snd_soc_dapm_get_volsw, wm8994_put_class_w)
1440 
1441 static int wm8994_put_class_w(struct snd_kcontrol *kcontrol,
1442                               struct snd_ctl_elem_value *ucontrol)
1443 {
1444         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
1445         int ret;
1446 
1447         ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
1448 
1449         wm_hubs_update_class_w(codec);
1450 
1451         return ret;
1452 }
1453 
1454 static const struct snd_kcontrol_new dac1l_mix[] = {
1455 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1456                       5, 1, 0),
1457 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1458                       4, 1, 0),
1459 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1460                       2, 1, 0),
1461 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1462                       1, 1, 0),
1463 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1464                       0, 1, 0),
1465 };
1466 
1467 static const struct snd_kcontrol_new dac1r_mix[] = {
1468 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1469                       5, 1, 0),
1470 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1471                       4, 1, 0),
1472 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1473                       2, 1, 0),
1474 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1475                       1, 1, 0),
1476 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1477                       0, 1, 0),
1478 };
1479 
1480 static const char *sidetone_text[] = {
1481         "ADC/DMIC1", "DMIC2",
1482 };
1483 
1484 static SOC_ENUM_SINGLE_DECL(sidetone1_enum,
1485                             WM8994_SIDETONE, 0, sidetone_text);
1486 
1487 static const struct snd_kcontrol_new sidetone1_mux =
1488         SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
1489 
1490 static SOC_ENUM_SINGLE_DECL(sidetone2_enum,
1491                             WM8994_SIDETONE, 1, sidetone_text);
1492 
1493 static const struct snd_kcontrol_new sidetone2_mux =
1494         SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
1495 
1496 static const char *aif1dac_text[] = {
1497         "AIF1DACDAT", "AIF3DACDAT",
1498 };
1499 
1500 static const char *loopback_text[] = {
1501         "None", "ADCDAT",
1502 };
1503 
1504 static SOC_ENUM_SINGLE_DECL(aif1_loopback_enum,
1505                             WM8994_AIF1_CONTROL_2,
1506                             WM8994_AIF1_LOOPBACK_SHIFT,
1507                             loopback_text);
1508 
1509 static const struct snd_kcontrol_new aif1_loopback =
1510         SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum);
1511 
1512 static SOC_ENUM_SINGLE_DECL(aif2_loopback_enum,
1513                             WM8994_AIF2_CONTROL_2,
1514                             WM8994_AIF2_LOOPBACK_SHIFT,
1515                             loopback_text);
1516 
1517 static const struct snd_kcontrol_new aif2_loopback =
1518         SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum);
1519 
1520 static SOC_ENUM_SINGLE_DECL(aif1dac_enum,
1521                             WM8994_POWER_MANAGEMENT_6, 0, aif1dac_text);
1522 
1523 static const struct snd_kcontrol_new aif1dac_mux =
1524         SOC_DAPM_ENUM("AIF1DAC Mux", aif1dac_enum);
1525 
1526 static const char *aif2dac_text[] = {
1527         "AIF2DACDAT", "AIF3DACDAT",
1528 };
1529 
1530 static SOC_ENUM_SINGLE_DECL(aif2dac_enum,
1531                             WM8994_POWER_MANAGEMENT_6, 1, aif2dac_text);
1532 
1533 static const struct snd_kcontrol_new aif2dac_mux =
1534         SOC_DAPM_ENUM("AIF2DAC Mux", aif2dac_enum);
1535 
1536 static const char *aif2adc_text[] = {
1537         "AIF2ADCDAT", "AIF3DACDAT",
1538 };
1539 
1540 static SOC_ENUM_SINGLE_DECL(aif2adc_enum,
1541                             WM8994_POWER_MANAGEMENT_6, 2, aif2adc_text);
1542 
1543 static const struct snd_kcontrol_new aif2adc_mux =
1544         SOC_DAPM_ENUM("AIF2ADC Mux", aif2adc_enum);
1545 
1546 static const char *aif3adc_text[] = {
1547         "AIF1ADCDAT", "AIF2ADCDAT", "AIF2DACDAT", "Mono PCM",
1548 };
1549 
1550 static SOC_ENUM_SINGLE_DECL(wm8994_aif3adc_enum,
1551                             WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1552 
1553 static const struct snd_kcontrol_new wm8994_aif3adc_mux =
1554         SOC_DAPM_ENUM("AIF3ADC Mux", wm8994_aif3adc_enum);
1555 
1556 static SOC_ENUM_SINGLE_DECL(wm8958_aif3adc_enum,
1557                             WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1558 
1559 static const struct snd_kcontrol_new wm8958_aif3adc_mux =
1560         SOC_DAPM_ENUM("AIF3ADC Mux", wm8958_aif3adc_enum);
1561 
1562 static const char *mono_pcm_out_text[] = {
1563         "None", "AIF2ADCL", "AIF2ADCR",
1564 };
1565 
1566 static SOC_ENUM_SINGLE_DECL(mono_pcm_out_enum,
1567                             WM8994_POWER_MANAGEMENT_6, 9, mono_pcm_out_text);
1568 
1569 static const struct snd_kcontrol_new mono_pcm_out_mux =
1570         SOC_DAPM_ENUM("Mono PCM Out Mux", mono_pcm_out_enum);
1571 
1572 static const char *aif2dac_src_text[] = {
1573         "AIF2", "AIF3",
1574 };
1575 
1576 /* Note that these two control shouldn't be simultaneously switched to AIF3 */
1577 static SOC_ENUM_SINGLE_DECL(aif2dacl_src_enum,
1578                             WM8994_POWER_MANAGEMENT_6, 7, aif2dac_src_text);
1579 
1580 static const struct snd_kcontrol_new aif2dacl_src_mux =
1581         SOC_DAPM_ENUM("AIF2DACL Mux", aif2dacl_src_enum);
1582 
1583 static SOC_ENUM_SINGLE_DECL(aif2dacr_src_enum,
1584                             WM8994_POWER_MANAGEMENT_6, 8, aif2dac_src_text);
1585 
1586 static const struct snd_kcontrol_new aif2dacr_src_mux =
1587         SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
1588 
1589 static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
1590 SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_late_ev,
1591         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1592 SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_late_ev,
1593         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1594 
1595 SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1596         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1597 SND_SOC_DAPM_PGA_E("Late DAC1R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1598         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1599 SND_SOC_DAPM_PGA_E("Late DAC2L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1600         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1601 SND_SOC_DAPM_PGA_E("Late DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1602         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1603 SND_SOC_DAPM_PGA_E("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0,
1604         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1605 
1606 SND_SOC_DAPM_MIXER_E("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1607                      left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer),
1608                      late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1609 SND_SOC_DAPM_MIXER_E("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1610                      right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer),
1611                      late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1612 SND_SOC_DAPM_MUX_E("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux,
1613                    late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1614 SND_SOC_DAPM_MUX_E("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux,
1615                    late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1616 
1617 SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
1618 };
1619 
1620 static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
1621 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, aif1clk_ev,
1622                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1623                     SND_SOC_DAPM_PRE_PMD),
1624 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, aif2clk_ev,
1625                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1626                     SND_SOC_DAPM_PRE_PMD),
1627 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
1628 SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1629                    left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
1630 SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1631                    right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
1632 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux),
1633 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux),
1634 };
1635 
1636 static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
1637 SND_SOC_DAPM_DAC_E("DAC2L", NULL, SND_SOC_NOPM, 3, 0,
1638         dac_ev, SND_SOC_DAPM_PRE_PMU),
1639 SND_SOC_DAPM_DAC_E("DAC2R", NULL, SND_SOC_NOPM, 2, 0,
1640         dac_ev, SND_SOC_DAPM_PRE_PMU),
1641 SND_SOC_DAPM_DAC_E("DAC1L", NULL, SND_SOC_NOPM, 1, 0,
1642         dac_ev, SND_SOC_DAPM_PRE_PMU),
1643 SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0,
1644         dac_ev, SND_SOC_DAPM_PRE_PMU),
1645 };
1646 
1647 static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = {
1648 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
1649 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
1650 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
1651 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
1652 };
1653 
1654 static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = {
1655 SND_SOC_DAPM_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
1656                         adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1657 SND_SOC_DAPM_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
1658                         adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1659 };
1660 
1661 static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = {
1662 SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
1663 SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
1664 };
1665 
1666 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
1667 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1668 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1669 SND_SOC_DAPM_INPUT("Clock"),
1670 
1671 SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
1672                       SND_SOC_DAPM_PRE_PMU),
1673 SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, vmid_event,
1674                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1675 
1676 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
1677                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1678                     SND_SOC_DAPM_PRE_PMD),
1679 
1680 SND_SOC_DAPM_SUPPLY("DSP1CLK", SND_SOC_NOPM, 3, 0, NULL, 0),
1681 SND_SOC_DAPM_SUPPLY("DSP2CLK", SND_SOC_NOPM, 2, 0, NULL, 0),
1682 SND_SOC_DAPM_SUPPLY("DSPINTCLK", SND_SOC_NOPM, 1, 0, NULL, 0),
1683 
1684 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
1685                      0, SND_SOC_NOPM, 9, 0),
1686 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
1687                      0, SND_SOC_NOPM, 8, 0),
1688 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
1689                       SND_SOC_NOPM, 9, 0, wm8958_aif_ev,
1690                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1691 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1R", NULL, 0,
1692                       SND_SOC_NOPM, 8, 0, wm8958_aif_ev,
1693                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1694 
1695 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
1696                      0, SND_SOC_NOPM, 11, 0),
1697 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
1698                      0, SND_SOC_NOPM, 10, 0),
1699 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
1700                       SND_SOC_NOPM, 11, 0, wm8958_aif_ev,
1701                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1702 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2R", NULL, 0,
1703                       SND_SOC_NOPM, 10, 0, wm8958_aif_ev,
1704                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1705 
1706 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
1707                    aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
1708 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
1709                    aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
1710 
1711 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
1712                    aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
1713 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
1714                    aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
1715 
1716 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1717                    aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
1718 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1719                    aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
1720 
1721 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1722 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1723 
1724 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1725                    dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1726 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1727                    dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1728 
1729 SND_SOC_DAPM_AIF_OUT("AIF2ADCL", NULL, 0,
1730                      SND_SOC_NOPM, 13, 0),
1731 SND_SOC_DAPM_AIF_OUT("AIF2ADCR", NULL, 0,
1732                      SND_SOC_NOPM, 12, 0),
1733 SND_SOC_DAPM_AIF_IN_E("AIF2DACL", NULL, 0,
1734                       SND_SOC_NOPM, 13, 0, wm8958_aif_ev,
1735                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1736 SND_SOC_DAPM_AIF_IN_E("AIF2DACR", NULL, 0,
1737                       SND_SOC_NOPM, 12, 0, wm8958_aif_ev,
1738                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1739 
1740 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1741 SND_SOC_DAPM_AIF_IN("AIF2DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1742 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1743 SND_SOC_DAPM_AIF_OUT("AIF2ADCDAT",  NULL, 0, SND_SOC_NOPM, 0, 0),
1744 
1745 SND_SOC_DAPM_MUX("AIF1DAC Mux", SND_SOC_NOPM, 0, 0, &aif1dac_mux),
1746 SND_SOC_DAPM_MUX("AIF2DAC Mux", SND_SOC_NOPM, 0, 0, &aif2dac_mux),
1747 SND_SOC_DAPM_MUX("AIF2ADC Mux", SND_SOC_NOPM, 0, 0, &aif2adc_mux),
1748 
1749 SND_SOC_DAPM_AIF_IN("AIF3DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1750 SND_SOC_DAPM_AIF_OUT("AIF3ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1751 
1752 SND_SOC_DAPM_SUPPLY("TOCLK", WM8994_CLOCKING_1, 4, 0, NULL, 0),
1753 
1754 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8994_POWER_MANAGEMENT_4, 5, 0),
1755 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8994_POWER_MANAGEMENT_4, 4, 0),
1756 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8994_POWER_MANAGEMENT_4, 3, 0),
1757 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0),
1758 
1759 /* Power is done with the muxes since the ADC power also controls the
1760  * downsampling chain, the chip will automatically manage the analogue
1761  * specific portions.
1762  */
1763 SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0),
1764 SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1765 
1766 SND_SOC_DAPM_MUX("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),
1767 SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),
1768 
1769 SND_SOC_DAPM_POST("Debug log", post_ev),
1770 };
1771 
1772 static const struct snd_soc_dapm_widget wm8994_specific_dapm_widgets[] = {
1773 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8994_aif3adc_mux),
1774 };
1775 
1776 static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = {
1777 SND_SOC_DAPM_SUPPLY("AIF3", WM8994_POWER_MANAGEMENT_6, 5, 1, NULL, 0),
1778 SND_SOC_DAPM_MUX("Mono PCM Out Mux", SND_SOC_NOPM, 0, 0, &mono_pcm_out_mux),
1779 SND_SOC_DAPM_MUX("AIF2DACL Mux", SND_SOC_NOPM, 0, 0, &aif2dacl_src_mux),
1780 SND_SOC_DAPM_MUX("AIF2DACR Mux", SND_SOC_NOPM, 0, 0, &aif2dacr_src_mux),
1781 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8958_aif3adc_mux),
1782 };
1783 
1784 static const struct snd_soc_dapm_route intercon[] = {
1785         { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1786         { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1787 
1788         { "DSP1CLK", NULL, "CLK_SYS" },
1789         { "DSP2CLK", NULL, "CLK_SYS" },
1790         { "DSPINTCLK", NULL, "CLK_SYS" },
1791 
1792         { "AIF1ADC1L", NULL, "AIF1CLK" },
1793         { "AIF1ADC1L", NULL, "DSP1CLK" },
1794         { "AIF1ADC1R", NULL, "AIF1CLK" },
1795         { "AIF1ADC1R", NULL, "DSP1CLK" },
1796         { "AIF1ADC1R", NULL, "DSPINTCLK" },
1797 
1798         { "AIF1DAC1L", NULL, "AIF1CLK" },
1799         { "AIF1DAC1L", NULL, "DSP1CLK" },
1800         { "AIF1DAC1R", NULL, "AIF1CLK" },
1801         { "AIF1DAC1R", NULL, "DSP1CLK" },
1802         { "AIF1DAC1R", NULL, "DSPINTCLK" },
1803 
1804         { "AIF1ADC2L", NULL, "AIF1CLK" },
1805         { "AIF1ADC2L", NULL, "DSP1CLK" },
1806         { "AIF1ADC2R", NULL, "AIF1CLK" },
1807         { "AIF1ADC2R", NULL, "DSP1CLK" },
1808         { "AIF1ADC2R", NULL, "DSPINTCLK" },
1809 
1810         { "AIF1DAC2L", NULL, "AIF1CLK" },
1811         { "AIF1DAC2L", NULL, "DSP1CLK" },
1812         { "AIF1DAC2R", NULL, "AIF1CLK" },
1813         { "AIF1DAC2R", NULL, "DSP1CLK" },
1814         { "AIF1DAC2R", NULL, "DSPINTCLK" },
1815 
1816         { "AIF2ADCL", NULL, "AIF2CLK" },
1817         { "AIF2ADCL", NULL, "DSP2CLK" },
1818         { "AIF2ADCR", NULL, "AIF2CLK" },
1819         { "AIF2ADCR", NULL, "DSP2CLK" },
1820         { "AIF2ADCR", NULL, "DSPINTCLK" },
1821 
1822         { "AIF2DACL", NULL, "AIF2CLK" },
1823         { "AIF2DACL", NULL, "DSP2CLK" },
1824         { "AIF2DACR", NULL, "AIF2CLK" },
1825         { "AIF2DACR", NULL, "DSP2CLK" },
1826         { "AIF2DACR", NULL, "DSPINTCLK" },
1827 
1828         { "DMIC1L", NULL, "DMIC1DAT" },
1829         { "DMIC1L", NULL, "CLK_SYS" },
1830         { "DMIC1R", NULL, "DMIC1DAT" },
1831         { "DMIC1R", NULL, "CLK_SYS" },
1832         { "DMIC2L", NULL, "DMIC2DAT" },
1833         { "DMIC2L", NULL, "CLK_SYS" },
1834         { "DMIC2R", NULL, "DMIC2DAT" },
1835         { "DMIC2R", NULL, "CLK_SYS" },
1836 
1837         { "ADCL", NULL, "AIF1CLK" },
1838         { "ADCL", NULL, "DSP1CLK" },
1839         { "ADCL", NULL, "DSPINTCLK" },
1840 
1841         { "ADCR", NULL, "AIF1CLK" },
1842         { "ADCR", NULL, "DSP1CLK" },
1843         { "ADCR", NULL, "DSPINTCLK" },
1844 
1845         { "ADCL Mux", "ADC", "ADCL" },
1846         { "ADCL Mux", "DMIC", "DMIC1L" },
1847         { "ADCR Mux", "ADC", "ADCR" },
1848         { "ADCR Mux", "DMIC", "DMIC1R" },
1849 
1850         { "DAC1L", NULL, "AIF1CLK" },
1851         { "DAC1L", NULL, "DSP1CLK" },
1852         { "DAC1L", NULL, "DSPINTCLK" },
1853 
1854         { "DAC1R", NULL, "AIF1CLK" },
1855         { "DAC1R", NULL, "DSP1CLK" },
1856         { "DAC1R", NULL, "DSPINTCLK" },
1857 
1858         { "DAC2L", NULL, "AIF2CLK" },
1859         { "DAC2L", NULL, "DSP2CLK" },
1860         { "DAC2L", NULL, "DSPINTCLK" },
1861 
1862         { "DAC2R", NULL, "AIF2DACR" },
1863         { "DAC2R", NULL, "AIF2CLK" },
1864         { "DAC2R", NULL, "DSP2CLK" },
1865         { "DAC2R", NULL, "DSPINTCLK" },
1866 
1867         { "TOCLK", NULL, "CLK_SYS" },
1868 
1869         { "AIF1DACDAT", NULL, "AIF1 Playback" },
1870         { "AIF2DACDAT", NULL, "AIF2 Playback" },
1871         { "AIF3DACDAT", NULL, "AIF3 Playback" },
1872 
1873         { "AIF1 Capture", NULL, "AIF1ADCDAT" },
1874         { "AIF2 Capture", NULL, "AIF2ADCDAT" },
1875         { "AIF3 Capture", NULL, "AIF3ADCDAT" },
1876 
1877         /* AIF1 outputs */
1878         { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1879         { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1880         { "AIF1ADC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1881 
1882         { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1883         { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1884         { "AIF1ADC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1885 
1886         { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1887         { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1888         { "AIF1ADC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1889 
1890         { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1891         { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1892         { "AIF1ADC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1893 
1894         /* Pin level routing for AIF3 */
1895         { "AIF1DAC1L", NULL, "AIF1DAC Mux" },
1896         { "AIF1DAC1R", NULL, "AIF1DAC Mux" },
1897         { "AIF1DAC2L", NULL, "AIF1DAC Mux" },
1898         { "AIF1DAC2R", NULL, "AIF1DAC Mux" },
1899 
1900         { "AIF1DAC Mux", "AIF1DACDAT", "AIF1 Loopback" },
1901         { "AIF1DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1902         { "AIF2DAC Mux", "AIF2DACDAT", "AIF2 Loopback" },
1903         { "AIF2DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1904         { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1905         { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1906         { "AIF2ADC Mux", "AIF3DACDAT", "AIF3ADCDAT" },
1907 
1908         /* DAC1 inputs */
1909         { "DAC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1910         { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1911         { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1912         { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1913         { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1914 
1915         { "DAC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1916         { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1917         { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1918         { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1919         { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1920 
1921         /* DAC2/AIF2 outputs  */
1922         { "AIF2ADCL", NULL, "AIF2DAC2L Mixer" },
1923         { "AIF2DAC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1924         { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1925         { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1926         { "AIF2DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1927         { "AIF2DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1928 
1929         { "AIF2ADCR", NULL, "AIF2DAC2R Mixer" },
1930         { "AIF2DAC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1931         { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1932         { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1933         { "AIF2DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1934         { "AIF2DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1935 
1936         { "AIF1ADCDAT", NULL, "AIF1ADC1L" },
1937         { "AIF1ADCDAT", NULL, "AIF1ADC1R" },
1938         { "AIF1ADCDAT", NULL, "AIF1ADC2L" },
1939         { "AIF1ADCDAT", NULL, "AIF1ADC2R" },
1940 
1941         { "AIF2ADCDAT", NULL, "AIF2ADC Mux" },
1942 
1943         /* AIF3 output */
1944         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC1L" },
1945         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC1R" },
1946         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC2L" },
1947         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC2R" },
1948         { "AIF3ADCDAT", "AIF2ADCDAT", "AIF2ADCL" },
1949         { "AIF3ADCDAT", "AIF2ADCDAT", "AIF2ADCR" },
1950         { "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACL" },
1951         { "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACR" },
1952 
1953         /* Loopback */
1954         { "AIF1 Loopback", "ADCDAT", "AIF1ADCDAT" },
1955         { "AIF1 Loopback", "None", "AIF1DACDAT" },
1956         { "AIF2 Loopback", "ADCDAT", "AIF2ADCDAT" },
1957         { "AIF2 Loopback", "None", "AIF2DACDAT" },
1958 
1959         /* Sidetone */
1960         { "Left Sidetone", "ADC/DMIC1", "ADCL Mux" },
1961         { "Left Sidetone", "DMIC2", "DMIC2L" },
1962         { "Right Sidetone", "ADC/DMIC1", "ADCR Mux" },
1963         { "Right Sidetone", "DMIC2", "DMIC2R" },
1964 
1965         /* Output stages */
1966         { "Left Output Mixer", "DAC Switch", "DAC1L" },
1967         { "Right Output Mixer", "DAC Switch", "DAC1R" },
1968 
1969         { "SPKL", "DAC1 Switch", "DAC1L" },
1970         { "SPKL", "DAC2 Switch", "DAC2L" },
1971 
1972         { "SPKR", "DAC1 Switch", "DAC1R" },
1973         { "SPKR", "DAC2 Switch", "DAC2R" },
1974 
1975         { "Left Headphone Mux", "DAC", "DAC1L" },
1976         { "Right Headphone Mux", "DAC", "DAC1R" },
1977 };
1978 
1979 static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = {
1980         { "DAC1L", NULL, "Late DAC1L Enable PGA" },
1981         { "Late DAC1L Enable PGA", NULL, "DAC1L Mixer" },
1982         { "DAC1R", NULL, "Late DAC1R Enable PGA" },
1983         { "Late DAC1R Enable PGA", NULL, "DAC1R Mixer" },
1984         { "DAC2L", NULL, "Late DAC2L Enable PGA" },
1985         { "Late DAC2L Enable PGA", NULL, "AIF2DAC2L Mixer" },
1986         { "DAC2R", NULL, "Late DAC2R Enable PGA" },
1987         { "Late DAC2R Enable PGA", NULL, "AIF2DAC2R Mixer" }
1988 };
1989 
1990 static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = {
1991         { "DAC1L", NULL, "DAC1L Mixer" },
1992         { "DAC1R", NULL, "DAC1R Mixer" },
1993         { "DAC2L", NULL, "AIF2DAC2L Mixer" },
1994         { "DAC2R", NULL, "AIF2DAC2R Mixer" },
1995 };
1996 
1997 static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
1998         { "AIF1DACDAT", NULL, "AIF2DACDAT" },
1999         { "AIF2DACDAT", NULL, "AIF1DACDAT" },
2000         { "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
2001         { "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
2002         { "MICBIAS1", NULL, "CLK_SYS" },
2003         { "MICBIAS1", NULL, "MICBIAS Supply" },
2004         { "MICBIAS2", NULL, "CLK_SYS" },
2005         { "MICBIAS2", NULL, "MICBIAS Supply" },
2006 };
2007 
2008 static const struct snd_soc_dapm_route wm8994_intercon[] = {
2009         { "AIF2DACL", NULL, "AIF2DAC Mux" },
2010         { "AIF2DACR", NULL, "AIF2DAC Mux" },
2011         { "MICBIAS1", NULL, "VMID" },
2012         { "MICBIAS2", NULL, "VMID" },
2013 };
2014 
2015 static const struct snd_soc_dapm_route wm8958_intercon[] = {
2016         { "AIF2DACL", NULL, "AIF2DACL Mux" },
2017         { "AIF2DACR", NULL, "AIF2DACR Mux" },
2018 
2019         { "AIF2DACL Mux", "AIF2", "AIF2DAC Mux" },
2020         { "AIF2DACL Mux", "AIF3", "AIF3DACDAT" },
2021         { "AIF2DACR Mux", "AIF2", "AIF2DAC Mux" },
2022         { "AIF2DACR Mux", "AIF3", "AIF3DACDAT" },
2023 
2024         { "AIF3DACDAT", NULL, "AIF3" },
2025         { "AIF3ADCDAT", NULL, "AIF3" },
2026 
2027         { "Mono PCM Out Mux", "AIF2ADCL", "AIF2ADCL" },
2028         { "Mono PCM Out Mux", "AIF2ADCR", "AIF2ADCR" },
2029 
2030         { "AIF3ADC Mux", "Mono PCM", "Mono PCM Out Mux" },
2031 };
2032 
2033 /* The size in bits of the FLL divide multiplied by 10
2034  * to allow rounding later */
2035 #define FIXED_FLL_SIZE ((1 << 16) * 10)
2036 
2037 struct fll_div {
2038         u16 outdiv;
2039         u16 n;
2040         u16 k;
2041         u16 lambda;
2042         u16 clk_ref_div;
2043         u16 fll_fratio;
2044 };
2045 
2046 static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll,
2047                                  int freq_in, int freq_out)
2048 {
2049         u64 Kpart;
2050         unsigned int K, Ndiv, Nmod, gcd_fll;
2051 
2052         pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
2053 
2054         /* Scale the input frequency down to <= 13.5MHz */
2055         fll->clk_ref_div = 0;
2056         while (freq_in > 13500000) {
2057                 fll->clk_ref_div++;
2058                 freq_in /= 2;
2059 
2060                 if (fll->clk_ref_div > 3)
2061                         return -EINVAL;
2062         }
2063         pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
2064 
2065         /* Scale the output to give 90MHz<=Fvco<=100MHz */
2066         fll->outdiv = 3;
2067         while (freq_out * (fll->outdiv + 1) < 90000000) {
2068                 fll->outdiv++;
2069                 if (fll->outdiv > 63)
2070                         return -EINVAL;
2071         }
2072         freq_out *= fll->outdiv + 1;
2073         pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
2074 
2075         if (freq_in > 1000000) {
2076                 fll->fll_fratio = 0;
2077         } else if (freq_in > 256000) {
2078                 fll->fll_fratio = 1;
2079                 freq_in *= 2;
2080         } else if (freq_in > 128000) {
2081                 fll->fll_fratio = 2;
2082                 freq_in *= 4;
2083         } else if (freq_in > 64000) {
2084                 fll->fll_fratio = 3;
2085                 freq_in *= 8;
2086         } else {
2087                 fll->fll_fratio = 4;
2088                 freq_in *= 16;
2089         }
2090         pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
2091 
2092         /* Now, calculate N.K */
2093         Ndiv = freq_out / freq_in;
2094 
2095         fll->n = Ndiv;
2096         Nmod = freq_out % freq_in;
2097         pr_debug("Nmod=%d\n", Nmod);
2098 
2099         switch (control->type) {
2100         case WM8994:
2101                 /* Calculate fractional part - scale up so we can round. */
2102                 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
2103 
2104                 do_div(Kpart, freq_in);
2105 
2106                 K = Kpart & 0xFFFFFFFF;
2107 
2108                 if ((K % 10) >= 5)
2109                         K += 5;
2110 
2111                 /* Move down to proper range now rounding is done */
2112                 fll->k = K / 10;
2113                 fll->lambda = 0;
2114 
2115                 pr_debug("N=%x K=%x\n", fll->n, fll->k);
2116                 break;
2117 
2118         default:
2119                 gcd_fll = gcd(freq_out, freq_in);
2120 
2121                 fll->k = (freq_out - (freq_in * fll->n)) / gcd_fll;
2122                 fll->lambda = freq_in / gcd_fll;
2123                 
2124         }
2125 
2126         return 0;
2127 }
2128 
2129 static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
2130                           unsigned int freq_in, unsigned int freq_out)
2131 {
2132         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2133         struct wm8994 *control = wm8994->wm8994;
2134         int reg_offset, ret;
2135         struct fll_div fll;
2136         u16 reg, clk1, aif_reg, aif_src;
2137         unsigned long timeout;
2138         bool was_enabled;
2139 
2140         switch (id) {
2141         case WM8994_FLL1:
2142                 reg_offset = 0;
2143                 id = 0;
2144                 aif_src = 0x10;
2145                 break;
2146         case WM8994_FLL2:
2147                 reg_offset = 0x20;
2148                 id = 1;
2149                 aif_src = 0x18;
2150                 break;
2151         default:
2152                 return -EINVAL;
2153         }
2154 
2155         reg = snd_soc_read(codec, WM8994_FLL1_CONTROL_1 + reg_offset);
2156         was_enabled = reg & WM8994_FLL1_ENA;
2157 
2158         switch (src) {
2159         case 0:
2160                 /* Allow no source specification when stopping */
2161                 if (freq_out)
2162                         return -EINVAL;
2163                 src = wm8994->fll[id].src;
2164                 break;
2165         case WM8994_FLL_SRC_MCLK1:
2166         case WM8994_FLL_SRC_MCLK2:
2167         case WM8994_FLL_SRC_LRCLK:
2168         case WM8994_FLL_SRC_BCLK:
2169                 break;
2170         case WM8994_FLL_SRC_INTERNAL:
2171                 freq_in = 12000000;
2172                 freq_out = 12000000;
2173                 break;
2174         default:
2175                 return -EINVAL;
2176         }
2177 
2178         /* Are we changing anything? */
2179         if (wm8994->fll[id].src == src &&
2180             wm8994->fll[id].in == freq_in && wm8994->fll[id].out == freq_out)
2181                 return 0;
2182 
2183         /* If we're stopping the FLL redo the old config - no
2184          * registers will actually be written but we avoid GCC flow
2185          * analysis bugs spewing warnings.
2186          */
2187         if (freq_out)
2188                 ret = wm8994_get_fll_config(control, &fll, freq_in, freq_out);
2189         else
2190                 ret = wm8994_get_fll_config(control, &fll, wm8994->fll[id].in,
2191                                             wm8994->fll[id].out);
2192         if (ret < 0)
2193                 return ret;
2194 
2195         /* Make sure that we're not providing SYSCLK right now */
2196         clk1 = snd_soc_read(codec, WM8994_CLOCKING_1);
2197         if (clk1 & WM8994_SYSCLK_SRC)
2198                 aif_reg = WM8994_AIF2_CLOCKING_1;
2199         else
2200                 aif_reg = WM8994_AIF1_CLOCKING_1;
2201         reg = snd_soc_read(codec, aif_reg);
2202 
2203         if ((reg & WM8994_AIF1CLK_ENA) &&
2204             (reg & WM8994_AIF1CLK_SRC_MASK) == aif_src) {
2205                 dev_err(codec->dev, "FLL%d is currently providing SYSCLK\n",
2206                         id + 1);
2207                 return -EBUSY;
2208         }
2209 
2210         /* We always need to disable the FLL while reconfiguring */
2211         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2212                             WM8994_FLL1_ENA, 0);
2213 
2214         if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
2215             freq_in == freq_out && freq_out) {
2216                 dev_dbg(codec->dev, "Bypassing FLL%d\n", id + 1);
2217                 snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2218                                     WM8958_FLL1_BYP, WM8958_FLL1_BYP);
2219                 goto out;
2220         }
2221 
2222         reg = (fll.outdiv << WM8994_FLL1_OUTDIV_SHIFT) |
2223                 (fll.fll_fratio << WM8994_FLL1_FRATIO_SHIFT);
2224         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_2 + reg_offset,
2225                             WM8994_FLL1_OUTDIV_MASK |
2226                             WM8994_FLL1_FRATIO_MASK, reg);
2227 
2228         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_3 + reg_offset,
2229                             WM8994_FLL1_K_MASK, fll.k);
2230 
2231         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_4 + reg_offset,
2232                             WM8994_FLL1_N_MASK,
2233                             fll.n << WM8994_FLL1_N_SHIFT);
2234 
2235         if (fll.lambda) {
2236                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_1 + reg_offset,
2237                                     WM8958_FLL1_LAMBDA_MASK,
2238                                     fll.lambda);
2239                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2240                                     WM8958_FLL1_EFS_ENA, WM8958_FLL1_EFS_ENA);
2241         } else {
2242                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2243                                     WM8958_FLL1_EFS_ENA, 0);
2244         }
2245 
2246         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2247                             WM8994_FLL1_FRC_NCO | WM8958_FLL1_BYP |
2248                             WM8994_FLL1_REFCLK_DIV_MASK |
2249                             WM8994_FLL1_REFCLK_SRC_MASK,
2250                             ((src == WM8994_FLL_SRC_INTERNAL)
2251                              << WM8994_FLL1_FRC_NCO_SHIFT) |
2252                             (fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
2253                             (src - 1));
2254 
2255         /* Clear any pending completion from a previous failure */
2256         try_wait_for_completion(&wm8994->fll_locked[id]);
2257 
2258         /* Enable (with fractional mode if required) */
2259         if (freq_out) {
2260                 /* Enable VMID if we need it */
2261                 if (!was_enabled) {
2262                         active_reference(codec);
2263 
2264                         switch (control->type) {
2265                         case WM8994:
2266                                 vmid_reference(codec);
2267                                 break;
2268                         case WM8958:
2269                                 if (control->revision < 1)
2270                                         vmid_reference(codec);
2271                                 break;
2272                         default:
2273                                 break;
2274                         }
2275                 }
2276 
2277                 reg = WM8994_FLL1_ENA;
2278 
2279                 if (fll.k)
2280                         reg |= WM8994_FLL1_FRAC;
2281                 if (src == WM8994_FLL_SRC_INTERNAL)
2282                         reg |= WM8994_FLL1_OSC_ENA;
2283 
2284                 snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2285                                     WM8994_FLL1_ENA | WM8994_FLL1_OSC_ENA |
2286                                     WM8994_FLL1_FRAC, reg);
2287 
2288                 if (wm8994->fll_locked_irq) {
2289                         timeout = wait_for_completion_timeout(&wm8994->fll_locked[id],
2290                                                               msecs_to_jiffies(10));
2291                         if (timeout == 0)
2292                                 dev_warn(codec->dev,
2293                                          "Timed out waiting for FLL lock\n");
2294                 } else {
2295                         msleep(5);
2296                 }
2297         } else {
2298                 if (was_enabled) {
2299                         switch (control->type) {
2300                         case WM8994:
2301                                 vmid_dereference(codec);
2302                                 break;
2303                         case WM8958:
2304                                 if (control->revision < 1)
2305                                         vmid_dereference(codec);
2306                                 break;
2307                         default:
2308                                 break;
2309                         }
2310 
2311                         active_dereference(codec);
2312                 }
2313         }
2314 
2315 out:
2316         wm8994->fll[id].in = freq_in;
2317         wm8994->fll[id].out = freq_out;
2318         wm8994->fll[id].src = src;
2319 
2320         configure_clock(codec);
2321 
2322         /*
2323          * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2324          * for detection.
2325          */
2326         if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2327                 dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2328 
2329                 wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2330                         & WM8994_AIF1CLK_RATE_MASK;
2331                 wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2332                         & WM8994_AIF1CLK_RATE_MASK;
2333 
2334                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2335                                     WM8994_AIF1CLK_RATE_MASK, 0x1);
2336                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2337                                     WM8994_AIF2CLK_RATE_MASK, 0x1);
2338         } else if (wm8994->aifdiv[0]) {
2339                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2340                                     WM8994_AIF1CLK_RATE_MASK,
2341                                     wm8994->aifdiv[0]);
2342                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2343                                     WM8994_AIF2CLK_RATE_MASK,
2344                                     wm8994->aifdiv[1]);
2345 
2346                 wm8994->aifdiv[0] = 0;
2347                 wm8994->aifdiv[1] = 0;
2348         }
2349 
2350         return 0;
2351 }
2352 
2353 static irqreturn_t wm8994_fll_locked_irq(int irq, void *data)
2354 {
2355         struct completion *completion = data;
2356 
2357         complete(completion);
2358 
2359         return IRQ_HANDLED;
2360 }
2361 
2362 static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
2363 
2364 static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
2365                           unsigned int freq_in, unsigned int freq_out)
2366 {
2367         return _wm8994_set_fll(dai->codec, id, src, freq_in, freq_out);
2368 }
2369 
2370 static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
2371                 int clk_id, unsigned int freq, int dir)
2372 {
2373         struct snd_soc_codec *codec = dai->codec;
2374         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2375         int i;
2376 
2377         switch (dai->id) {
2378         case 1:
2379         case 2:
2380                 break;
2381 
2382         default:
2383                 /* AIF3 shares clocking with AIF1/2 */
2384                 return -EINVAL;
2385         }
2386 
2387         switch (clk_id) {
2388         case WM8994_SYSCLK_MCLK1:
2389                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK1;
2390                 wm8994->mclk[0] = freq;
2391                 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
2392                         dai->id, freq);
2393                 break;
2394 
2395         case WM8994_SYSCLK_MCLK2:
2396                 /* TODO: Set GPIO AF */
2397                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK2;
2398                 wm8994->mclk[1] = freq;
2399                 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
2400                         dai->id, freq);
2401                 break;
2402 
2403         case WM8994_SYSCLK_FLL1:
2404                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL1;
2405                 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id);
2406                 break;
2407 
2408         case WM8994_SYSCLK_FLL2:
2409                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL2;
2410                 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id);
2411                 break;
2412 
2413         case WM8994_SYSCLK_OPCLK:
2414                 /* Special case - a division (times 10) is given and
2415                  * no effect on main clocking.
2416                  */
2417                 if (freq) {
2418                         for (i = 0; i < ARRAY_SIZE(opclk_divs); i++)
2419                                 if (opclk_divs[i] == freq)
2420                                         break;
2421                         if (i == ARRAY_SIZE(opclk_divs))
2422                                 return -EINVAL;
2423                         snd_soc_update_bits(codec, WM8994_CLOCKING_2,
2424                                             WM8994_OPCLK_DIV_MASK, i);
2425                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2426                                             WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
2427                 } else {
2428                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2429                                             WM8994_OPCLK_ENA, 0);
2430                 }
2431 
2432         default:
2433                 return -EINVAL;
2434         }
2435 
2436         configure_clock(codec);
2437 
2438         /*
2439          * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2440          * for detection.
2441          */
2442         if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2443                 dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2444 
2445                 wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2446                         & WM8994_AIF1CLK_RATE_MASK;
2447                 wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2448                         & WM8994_AIF1CLK_RATE_MASK;
2449 
2450                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2451                                     WM8994_AIF1CLK_RATE_MASK, 0x1);
2452                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2453                                     WM8994_AIF2CLK_RATE_MASK, 0x1);
2454         } else if (wm8994->aifdiv[0]) {
2455                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2456                                     WM8994_AIF1CLK_RATE_MASK,
2457                                     wm8994->aifdiv[0]);
2458                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2459                                     WM8994_AIF2CLK_RATE_MASK,
2460                                     wm8994->aifdiv[1]);
2461 
2462                 wm8994->aifdiv[0] = 0;
2463                 wm8994->aifdiv[1] = 0;
2464         }
2465 
2466         return 0;
2467 }
2468 
2469 static int wm8994_set_bias_level(struct snd_soc_codec *codec,
2470                                  enum snd_soc_bias_level level)
2471 {
2472         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2473         struct wm8994 *control = wm8994->wm8994;
2474 
2475         wm_hubs_set_bias_level(codec, level);
2476 
2477         switch (level) {
2478         case SND_SOC_BIAS_ON:
2479                 break;
2480 
2481         case SND_SOC_BIAS_PREPARE:
2482                 /* MICBIAS into regulating mode */
2483                 switch (control->type) {
2484                 case WM8958:
2485                 case WM1811:
2486                         snd_soc_update_bits(codec, WM8958_MICBIAS1,
2487                                             WM8958_MICB1_MODE, 0);
2488                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
2489                                             WM8958_MICB2_MODE, 0);
2490                         break;
2491                 default:
2492                         break;
2493                 }
2494 
2495                 if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
2496                         active_reference(codec);
2497                 break;
2498 
2499         case SND_SOC_BIAS_STANDBY:
2500                 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
2501                         switch (control->type) {
2502                         case WM8958:
2503                                 if (control->revision == 0) {
2504                                         /* Optimise performance for rev A */
2505                                         snd_soc_update_bits(codec,
2506                                                             WM8958_CHARGE_PUMP_2,
2507                                                             WM8958_CP_DISCH,
2508                                                             WM8958_CP_DISCH);
2509                                 }
2510                                 break;
2511 
2512                         default:
2513                                 break;
2514                         }
2515 
2516                         /* Discharge LINEOUT1 & 2 */
2517                         snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
2518                                             WM8994_LINEOUT1_DISCH |
2519                                             WM8994_LINEOUT2_DISCH,
2520                                             WM8994_LINEOUT1_DISCH |
2521                                             WM8994_LINEOUT2_DISCH);
2522                 }
2523 
2524                 if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE)
2525                         active_dereference(codec);
2526 
2527                 /* MICBIAS into bypass mode on newer devices */
2528                 switch (control->type) {
2529                 case WM8958:
2530                 case WM1811:
2531                         snd_soc_update_bits(codec, WM8958_MICBIAS1,
2532                                             WM8958_MICB1_MODE,
2533                                             WM8958_MICB1_MODE);
2534                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
2535                                             WM8958_MICB2_MODE,
2536                                             WM8958_MICB2_MODE);
2537                         break;
2538                 default:
2539                         break;
2540                 }
2541                 break;
2542 
2543         case SND_SOC_BIAS_OFF:
2544                 if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
2545                         wm8994->cur_fw = NULL;
2546                 break;
2547         }
2548 
2549         codec->dapm.bias_level = level;
2550 
2551         return 0;
2552 }
2553 
2554 int wm8994_vmid_mode(struct snd_soc_codec *codec, enum wm8994_vmid_mode mode)
2555 {
2556         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2557         struct snd_soc_dapm_context *dapm = &codec->dapm;
2558 
2559         switch (mode) {
2560         case WM8994_VMID_NORMAL:
2561                 snd_soc_dapm_mutex_lock(dapm);
2562 
2563                 if (wm8994->hubs.lineout1_se) {
2564                         snd_soc_dapm_disable_pin_unlocked(dapm,
2565                                                           "LINEOUT1N Driver");
2566                         snd_soc_dapm_disable_pin_unlocked(dapm,
2567                                                           "LINEOUT1P Driver");
2568                 }
2569                 if (wm8994->hubs.lineout2_se) {
2570                         snd_soc_dapm_disable_pin_unlocked(dapm,
2571                                                           "LINEOUT2N Driver");
2572                         snd_soc_dapm_disable_pin_unlocked(dapm,
2573                                                           "LINEOUT2P Driver");
2574                 }
2575 
2576                 /* Do the sync with the old mode to allow it to clean up */
2577                 snd_soc_dapm_sync_unlocked(dapm);
2578                 wm8994->vmid_mode = mode;
2579 
2580                 snd_soc_dapm_mutex_unlock(dapm);
2581                 break;
2582 
2583         case WM8994_VMID_FORCE:
2584                 snd_soc_dapm_mutex_lock(dapm);
2585 
2586                 if (wm8994->hubs.lineout1_se) {
2587                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2588                                                                "LINEOUT1N Driver");
2589                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2590                                                                "LINEOUT1P Driver");
2591                 }
2592                 if (wm8994->hubs.lineout2_se) {
2593                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2594                                                                "LINEOUT2N Driver");
2595                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2596                                                                "LINEOUT2P Driver");
2597                 }
2598 
2599                 wm8994->vmid_mode = mode;
2600                 snd_soc_dapm_sync_unlocked(dapm);
2601 
2602                 snd_soc_dapm_mutex_unlock(dapm);
2603                 break;
2604 
2605         default:
2606                 return -EINVAL;
2607         }
2608 
2609         return 0;
2610 }
2611 
2612 static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
2613 {
2614         struct snd_soc_codec *codec = dai->codec;
2615         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2616         struct wm8994 *control = wm8994->wm8994;
2617         int ms_reg;
2618         int aif1_reg;
2619         int dac_reg;
2620         int adc_reg;
2621         int ms = 0;
2622         int aif1 = 0;
2623         int lrclk = 0;
2624 
2625         switch (dai->id) {
2626         case 1:
2627                 ms_reg = WM8994_AIF1_MASTER_SLAVE;
2628                 aif1_reg = WM8994_AIF1_CONTROL_1;
2629                 dac_reg = WM8994_AIF1DAC_LRCLK;
2630                 adc_reg = WM8994_AIF1ADC_LRCLK;
2631                 break;
2632         case 2:
2633                 ms_reg = WM8994_AIF2_MASTER_SLAVE;
2634                 aif1_reg = WM8994_AIF2_CONTROL_1;
2635                 dac_reg = WM8994_AIF1DAC_LRCLK;
2636                 adc_reg = WM8994_AIF1ADC_LRCLK;
2637                 break;
2638         default:
2639                 return -EINVAL;
2640         }
2641 
2642         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2643         case SND_SOC_DAIFMT_CBS_CFS:
2644                 break;
2645         case SND_SOC_DAIFMT_CBM_CFM:
2646                 ms = WM8994_AIF1_MSTR;
2647                 break;
2648         default:
2649                 return -EINVAL;
2650         }
2651 
2652         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2653         case SND_SOC_DAIFMT_DSP_B:
2654                 aif1 |= WM8994_AIF1_LRCLK_INV;
2655                 lrclk |= WM8958_AIF1_LRCLK_INV;
2656         case SND_SOC_DAIFMT_DSP_A:
2657                 aif1 |= 0x18;
2658                 break;
2659         case SND_SOC_DAIFMT_I2S:
2660                 aif1 |= 0x10;
2661                 break;
2662         case SND_SOC_DAIFMT_RIGHT_J:
2663                 break;
2664         case SND_SOC_DAIFMT_LEFT_J:
2665                 aif1 |= 0x8;
2666                 break;
2667         default:
2668                 return -EINVAL;
2669         }
2670 
2671         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2672         case SND_SOC_DAIFMT_DSP_A:
2673         case SND_SOC_DAIFMT_DSP_B:
2674                 /* frame inversion not valid for DSP modes */
2675                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2676                 case SND_SOC_DAIFMT_NB_NF:
2677                         break;
2678                 case SND_SOC_DAIFMT_IB_NF:
2679                         aif1 |= WM8994_AIF1_BCLK_INV;
2680                         break;
2681                 default:
2682                         return -EINVAL;
2683                 }
2684                 break;
2685 
2686         case SND_SOC_DAIFMT_I2S:
2687         case SND_SOC_DAIFMT_RIGHT_J:
2688         case SND_SOC_DAIFMT_LEFT_J:
2689                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2690                 case SND_SOC_DAIFMT_NB_NF:
2691                         break;
2692                 case SND_SOC_DAIFMT_IB_IF:
2693                         aif1 |= WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV;
2694                         lrclk |= WM8958_AIF1_LRCLK_INV;
2695                         break;
2696                 case SND_SOC_DAIFMT_IB_NF:
2697                         aif1 |= WM8994_AIF1_BCLK_INV;
2698                         break;
2699                 case SND_SOC_DAIFMT_NB_IF:
2700                         aif1 |= WM8994_AIF1_LRCLK_INV;
2701                         lrclk |= WM8958_AIF1_LRCLK_INV;
2702                         break;
2703                 default:
2704                         return -EINVAL;
2705                 }
2706                 break;
2707         default:
2708                 return -EINVAL;
2709         }
2710 
2711         /* The AIF2 format configuration needs to be mirrored to AIF3
2712          * on WM8958 if it's in use so just do it all the time. */
2713         switch (control->type) {
2714         case WM1811:
2715         case WM8958:
2716                 if (dai->id == 2)
2717                         snd_soc_update_bits(codec, WM8958_AIF3_CONTROL_1,
2718                                             WM8994_AIF1_LRCLK_INV |
2719                                             WM8958_AIF3_FMT_MASK, aif1);
2720                 break;
2721 
2722         default:
2723                 break;
2724         }
2725 
2726         snd_soc_update_bits(codec, aif1_reg,
2727                             WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV |
2728                             WM8994_AIF1_FMT_MASK,
2729                             aif1);
2730         snd_soc_update_bits(codec, ms_reg, WM8994_AIF1_MSTR,
2731                             ms);
2732         snd_soc_update_bits(codec, dac_reg,
2733                             WM8958_AIF1_LRCLK_INV, lrclk);
2734         snd_soc_update_bits(codec, adc_reg,
2735                             WM8958_AIF1_LRCLK_INV, lrclk);
2736 
2737         return 0;
2738 }
2739 
2740 static struct {
2741         int val, rate;
2742 } srs[] = {
2743         { 0,   8000 },
2744         { 1,  11025 },
2745         { 2,  12000 },
2746         { 3,  16000 },
2747         { 4,  22050 },
2748         { 5,  24000 },
2749         { 6,  32000 },
2750         { 7,  44100 },
2751         { 8,  48000 },
2752         { 9,  88200 },
2753         { 10, 96000 },
2754 };
2755 
2756 static int fs_ratios[] = {
2757         64, 128, 192, 256, 348, 512, 768, 1024, 1408, 1536
2758 };
2759 
2760 static int bclk_divs[] = {
2761         10, 15, 20, 30, 40, 50, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480,
2762         640, 880, 960, 1280, 1760, 1920
2763 };
2764 
2765 static int wm8994_hw_params(struct snd_pcm_substream *substream,
2766                             struct snd_pcm_hw_params *params,
2767                             struct snd_soc_dai *dai)
2768 {
2769         struct snd_soc_codec *codec = dai->codec;
2770         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2771         struct wm8994 *control = wm8994->wm8994;
2772         struct wm8994_pdata *pdata = &control->pdata;
2773         int aif1_reg;
2774         int aif2_reg;
2775         int bclk_reg;
2776         int lrclk_reg;
2777         int rate_reg;
2778         int aif1 = 0;
2779         int aif2 = 0;
2780         int bclk = 0;
2781         int lrclk = 0;
2782         int rate_val = 0;
2783         int id = dai->id - 1;
2784 
2785         int i, cur_val, best_val, bclk_rate, best;
2786 
2787         switch (dai->id) {
2788         case 1:
2789                 aif1_reg = WM8994_AIF1_CONTROL_1;
2790                 aif2_reg = WM8994_AIF1_CONTROL_2;
2791                 bclk_reg = WM8994_AIF1_BCLK;
2792                 rate_reg = WM8994_AIF1_RATE;
2793                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2794                     wm8994->lrclk_shared[0]) {
2795                         lrclk_reg = WM8994_AIF1DAC_LRCLK;
2796                 } else {
2797                         lrclk_reg = WM8994_AIF1ADC_LRCLK;
2798                         dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
2799                 }
2800                 break;
2801         case 2:
2802                 aif1_reg = WM8994_AIF2_CONTROL_1;
2803                 aif2_reg = WM8994_AIF2_CONTROL_2;
2804                 bclk_reg = WM8994_AIF2_BCLK;
2805                 rate_reg = WM8994_AIF2_RATE;
2806                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2807                     wm8994->lrclk_shared[1]) {
2808                         lrclk_reg = WM8994_AIF2DAC_LRCLK;
2809                 } else {
2810                         lrclk_reg = WM8994_AIF2ADC_LRCLK;
2811                         dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
2812                 }
2813                 break;
2814         default:
2815                 return -EINVAL;
2816         }
2817 
2818         bclk_rate = params_rate(params);
2819         switch (params_width(params)) {
2820         case 16:
2821                 bclk_rate *= 16;
2822                 break;
2823         case 20:
2824                 bclk_rate *= 20;
2825                 aif1 |= 0x20;
2826                 break;
2827         case 24:
2828                 bclk_rate *= 24;
2829                 aif1 |= 0x40;
2830                 break;
2831         case 32:
2832                 bclk_rate *= 32;
2833                 aif1 |= 0x60;
2834                 break;
2835         default:
2836                 return -EINVAL;
2837         }
2838 
2839         wm8994->channels[id] = params_channels(params);
2840         if (pdata->max_channels_clocked[id] &&
2841             wm8994->channels[id] > pdata->max_channels_clocked[id]) {
2842                 dev_dbg(dai->dev, "Constraining channels to %d from %d\n",
2843                         pdata->max_channels_clocked[id], wm8994->channels[id]);
2844                 wm8994->channels[id] = pdata->max_channels_clocked[id];
2845         }
2846 
2847         switch (wm8994->channels[id]) {
2848         case 1:
2849         case 2:
2850                 bclk_rate *= 2;
2851                 break;
2852         default:
2853                 bclk_rate *= 4;
2854                 break;
2855         }
2856 
2857         /* Try to find an appropriate sample rate; look for an exact match. */
2858         for (i = 0; i < ARRAY_SIZE(srs); i++)
2859                 if (srs[i].rate == params_rate(params))
2860                         break;
2861         if (i == ARRAY_SIZE(srs))
2862                 return -EINVAL;
2863         rate_val |= srs[i].val << WM8994_AIF1_SR_SHIFT;
2864 
2865         dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i].rate);
2866         dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
2867                 dai->id, wm8994->aifclk[id], bclk_rate);
2868 
2869         if (wm8994->channels[id] == 1 &&
2870             (snd_soc_read(codec, aif1_reg) & 0x18) == 0x18)
2871                 aif2 |= WM8994_AIF1_MONO;
2872 
2873         if (wm8994->aifclk[id] == 0) {
2874                 dev_err(dai->dev, "AIF%dCLK not configured\n", dai->id);
2875                 return -EINVAL;
2876         }
2877 
2878         /* AIFCLK/fs ratio; look for a close match in either direction */
2879         best = 0;
2880         best_val = abs((fs_ratios[0] * params_rate(params))
2881                        - wm8994->aifclk[id]);
2882         for (i = 1; i < ARRAY_SIZE(fs_ratios); i++) {
2883                 cur_val = abs((fs_ratios[i] * params_rate(params))
2884                               - wm8994->aifclk[id]);
2885                 if (cur_val >= best_val)
2886                         continue;
2887                 best = i;
2888                 best_val = cur_val;
2889         }
2890         dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
2891                 dai->id, fs_ratios[best]);
2892         rate_val |= best;
2893 
2894         /* We may not get quite the right frequency if using
2895          * approximate clocks so look for the closest match that is
2896          * higher than the target (we need to ensure that there enough
2897          * BCLKs to clock out the samples).
2898          */
2899         best = 0;
2900         for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
2901                 cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
2902                 if (cur_val < 0) /* BCLK table is sorted */
2903                         break;
2904                 best = i;
2905         }
2906         bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
2907         dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
2908                 bclk_divs[best], bclk_rate);
2909         bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
2910 
2911         lrclk = bclk_rate / params_rate(params);
2912         if (!lrclk) {
2913                 dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
2914                         bclk_rate);
2915                 return -EINVAL;
2916         }
2917         dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
2918                 lrclk, bclk_rate / lrclk);
2919 
2920         snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2921         snd_soc_update_bits(codec, aif2_reg, WM8994_AIF1_MONO, aif2);
2922         snd_soc_update_bits(codec, bclk_reg, WM8994_AIF1_BCLK_DIV_MASK, bclk);
2923         snd_soc_update_bits(codec, lrclk_reg, WM8994_AIF1DAC_RATE_MASK,
2924                             lrclk);
2925         snd_soc_update_bits(codec, rate_reg, WM8994_AIF1_SR_MASK |
2926                             WM8994_AIF1CLK_RATE_MASK, rate_val);
2927 
2928         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2929                 switch (dai->id) {
2930                 case 1:
2931                         wm8994->dac_rates[0] = params_rate(params);
2932                         wm8994_set_retune_mobile(codec, 0);
2933                         wm8994_set_retune_mobile(codec, 1);
2934                         break;
2935                 case 2:
2936                         wm8994->dac_rates[1] = params_rate(params);
2937                         wm8994_set_retune_mobile(codec, 2);
2938                         break;
2939                 }
2940         }
2941 
2942         return 0;
2943 }
2944 
2945 static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
2946                                  struct snd_pcm_hw_params *params,
2947                                  struct snd_soc_dai *dai)
2948 {
2949         struct snd_soc_codec *codec = dai->codec;
2950         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2951         struct wm8994 *control = wm8994->wm8994;
2952         int aif1_reg;
2953         int aif1 = 0;
2954 
2955         switch (dai->id) {
2956         case 3:
2957                 switch (control->type) {
2958                 case WM1811:
2959                 case WM8958:
2960                         aif1_reg = WM8958_AIF3_CONTROL_1;
2961                         break;
2962                 default:
2963                         return 0;
2964                 }
2965                 break;
2966         default:
2967                 return 0;
2968         }
2969 
2970         switch (params_width(params)) {
2971         case 16:
2972                 break;
2973         case 20:
2974                 aif1 |= 0x20;
2975                 break;
2976         case 24:
2977                 aif1 |= 0x40;
2978                 break;
2979         case 32:
2980                 aif1 |= 0x60;
2981                 break;
2982         default:
2983                 return -EINVAL;
2984         }
2985 
2986         return snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2987 }
2988 
2989 static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute)
2990 {
2991         struct snd_soc_codec *codec = codec_dai->codec;
2992         int mute_reg;
2993         int reg;
2994 
2995         switch (codec_dai->id) {
2996         case 1:
2997                 mute_reg = WM8994_AIF1_DAC1_FILTERS_1;
2998                 break;
2999         case 2:
3000                 mute_reg = WM8994_AIF2_DAC_FILTERS_1;
3001                 break;
3002         default:
3003                 return -EINVAL;
3004         }
3005 
3006         if (mute)
3007                 reg = WM8994_AIF1DAC1_MUTE;
3008         else
3009                 reg = 0;
3010 
3011         snd_soc_update_bits(codec, mute_reg, WM8994_AIF1DAC1_MUTE, reg);
3012 
3013         return 0;
3014 }
3015 
3016 static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
3017 {
3018         struct snd_soc_codec *codec = codec_dai->codec;
3019         int reg, val, mask;
3020 
3021         switch (codec_dai->id) {
3022         case 1:
3023                 reg = WM8994_AIF1_MASTER_SLAVE;
3024                 mask = WM8994_AIF1_TRI;
3025                 break;
3026         case 2:
3027                 reg = WM8994_AIF2_MASTER_SLAVE;
3028                 mask = WM8994_AIF2_TRI;
3029                 break;
3030         default:
3031                 return -EINVAL;
3032         }
3033 
3034         if (tristate)
3035                 val = mask;
3036         else
3037                 val = 0;
3038 
3039         return snd_soc_update_bits(codec, reg, mask, val);
3040 }
3041 
3042 static int wm8994_aif2_probe(struct snd_soc_dai *dai)
3043 {
3044         struct snd_soc_codec *codec = dai->codec;
3045 
3046         /* Disable the pulls on the AIF if we're using it to save power. */
3047         snd_soc_update_bits(codec, WM8994_GPIO_3,
3048                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3049         snd_soc_update_bits(codec, WM8994_GPIO_4,
3050                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3051         snd_soc_update_bits(codec, WM8994_GPIO_5,
3052                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3053 
3054         return 0;
3055 }
3056 
3057 #define WM8994_RATES SNDRV_PCM_RATE_8000_96000
3058 
3059 #define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
3060                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
3061 
3062 static const struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
3063         .set_sysclk     = wm8994_set_dai_sysclk,
3064         .set_fmt        = wm8994_set_dai_fmt,
3065         .hw_params      = wm8994_hw_params,
3066         .digital_mute   = wm8994_aif_mute,
3067         .set_pll        = wm8994_set_fll,
3068         .set_tristate   = wm8994_set_tristate,
3069 };
3070 
3071 static const struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
3072         .set_sysclk     = wm8994_set_dai_sysclk,
3073         .set_fmt        = wm8994_set_dai_fmt,
3074         .hw_params      = wm8994_hw_params,
3075         .digital_mute   = wm8994_aif_mute,
3076         .set_pll        = wm8994_set_fll,
3077         .set_tristate   = wm8994_set_tristate,
3078 };
3079 
3080 static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
3081         .hw_params      = wm8994_aif3_hw_params,
3082 };
3083 
3084 static struct snd_soc_dai_driver wm8994_dai[] = {
3085         {
3086                 .name = "wm8994-aif1",
3087                 .id = 1,
3088                 .playback = {
3089                         .stream_name = "AIF1 Playback",
3090                         .channels_min = 1,
3091                         .channels_max = 2,
3092                         .rates = WM8994_RATES,
3093                         .formats = WM8994_FORMATS,
3094                         .sig_bits = 24,
3095                 },
3096                 .capture = {
3097                         .stream_name = "AIF1 Capture",
3098                         .channels_min = 1,
3099                         .channels_max = 2,
3100                         .rates = WM8994_RATES,
3101                         .formats = WM8994_FORMATS,
3102                         .sig_bits = 24,
3103                  },
3104                 .ops = &wm8994_aif1_dai_ops,
3105         },
3106         {
3107                 .name = "wm8994-aif2",
3108                 .id = 2,
3109                 .playback = {
3110                         .stream_name = "AIF2 Playback",
3111                         .channels_min = 1,
3112                         .channels_max = 2,
3113                         .rates = WM8994_RATES,
3114                         .formats = WM8994_FORMATS,
3115                         .sig_bits = 24,
3116                 },
3117                 .capture = {
3118                         .stream_name = "AIF2 Capture",
3119                         .channels_min = 1,
3120                         .channels_max = 2,
3121                         .rates = WM8994_RATES,
3122                         .formats = WM8994_FORMATS,
3123                         .sig_bits = 24,
3124                 },
3125                 .probe = wm8994_aif2_probe,
3126                 .ops = &wm8994_aif2_dai_ops,
3127         },
3128         {
3129                 .name = "wm8994-aif3",
3130                 .id = 3,
3131                 .playback = {
3132                         .stream_name = "AIF3 Playback",
3133                         .channels_min = 1,
3134                         .channels_max = 2,
3135                         .rates = WM8994_RATES,
3136                         .formats = WM8994_FORMATS,
3137                         .sig_bits = 24,
3138                 },
3139                 .capture = {
3140                         .stream_name = "AIF3 Capture",
3141                         .channels_min = 1,
3142                         .channels_max = 2,
3143                         .rates = WM8994_RATES,
3144                         .formats = WM8994_FORMATS,
3145                         .sig_bits = 24,
3146                  },
3147                 .ops = &wm8994_aif3_dai_ops,
3148         }
3149 };
3150 
3151 #ifdef CONFIG_PM
3152 static int wm8994_codec_suspend(struct snd_soc_codec *codec)
3153 {
3154         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3155         int i, ret;
3156 
3157         for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3158                 memcpy(&wm8994->fll_suspend[i], &wm8994->fll[i],
3159                        sizeof(struct wm8994_fll_config));
3160                 ret = _wm8994_set_fll(codec, i + 1, 0, 0, 0);
3161                 if (ret < 0)
3162                         dev_warn(codec->dev, "Failed to stop FLL%d: %d\n",
3163                                  i + 1, ret);
3164         }
3165 
3166         wm8994_set_bias_level(codec, SND_SOC_BIAS_OFF);
3167 
3168         return 0;
3169 }
3170 
3171 static int wm8994_codec_resume(struct snd_soc_codec *codec)
3172 {
3173         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3174         int i, ret;
3175 
3176         for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3177                 if (!wm8994->fll_suspend[i].out)
3178                         continue;
3179 
3180                 ret = _wm8994_set_fll(codec, i + 1,
3181                                      wm8994->fll_suspend[i].src,
3182                                      wm8994->fll_suspend[i].in,
3183                                      wm8994->fll_suspend[i].out);
3184                 if (ret < 0)
3185                         dev_warn(codec->dev, "Failed to restore FLL%d: %d\n",
3186                                  i + 1, ret);
3187         }
3188 
3189         return 0;
3190 }
3191 #else
3192 #define wm8994_codec_suspend NULL
3193 #define wm8994_codec_resume NULL
3194 #endif
3195 
3196 static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
3197 {
3198         struct snd_soc_codec *codec = wm8994->hubs.codec;
3199         struct wm8994 *control = wm8994->wm8994;
3200         struct wm8994_pdata *pdata = &control->pdata;
3201         struct snd_kcontrol_new controls[] = {
3202                 SOC_ENUM_EXT("AIF1.1 EQ Mode",
3203                              wm8994->retune_mobile_enum,
3204                              wm8994_get_retune_mobile_enum,
3205                              wm8994_put_retune_mobile_enum),
3206                 SOC_ENUM_EXT("AIF1.2 EQ Mode",
3207                              wm8994->retune_mobile_enum,
3208                              wm8994_get_retune_mobile_enum,
3209                              wm8994_put_retune_mobile_enum),
3210                 SOC_ENUM_EXT("AIF2 EQ Mode",
3211                              wm8994->retune_mobile_enum,
3212                              wm8994_get_retune_mobile_enum,
3213                              wm8994_put_retune_mobile_enum),
3214         };
3215         int ret, i, j;
3216         const char **t;
3217 
3218         /* We need an array of texts for the enum API but the number
3219          * of texts is likely to be less than the number of
3220          * configurations due to the sample rate dependency of the
3221          * configurations. */
3222         wm8994->num_retune_mobile_texts = 0;
3223         wm8994->retune_mobile_texts = NULL;
3224         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
3225                 for (j = 0; j < wm8994->num_retune_mobile_texts; j++) {
3226                         if (strcmp(pdata->retune_mobile_cfgs[i].name,
3227                                    wm8994->retune_mobile_texts[j]) == 0)
3228                                 break;
3229                 }
3230 
3231                 if (j != wm8994->num_retune_mobile_texts)
3232                         continue;
3233 
3234                 /* Expand the array... */
3235                 t = krealloc(wm8994->retune_mobile_texts,
3236                              sizeof(char *) *
3237                              (wm8994->num_retune_mobile_texts + 1),
3238                              GFP_KERNEL);
3239                 if (t == NULL)
3240                         continue;
3241 
3242                 /* ...store the new entry... */
3243                 t[wm8994->num_retune_mobile_texts] =
3244                         pdata->retune_mobile_cfgs[i].name;
3245 
3246                 /* ...and remember the new version. */
3247                 wm8994->num_retune_mobile_texts++;
3248                 wm8994->retune_mobile_texts = t;
3249         }
3250 
3251         dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
3252                 wm8994->num_retune_mobile_texts);
3253 
3254         wm8994->retune_mobile_enum.items = wm8994->num_retune_mobile_texts;
3255         wm8994->retune_mobile_enum.texts = wm8994->retune_mobile_texts;
3256 
3257         ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3258                                    ARRAY_SIZE(controls));
3259         if (ret != 0)
3260                 dev_err(wm8994->hubs.codec->dev,
3261                         "Failed to add ReTune Mobile controls: %d\n", ret);
3262 }
3263 
3264 static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
3265 {
3266         struct snd_soc_codec *codec = wm8994->hubs.codec;
3267         struct wm8994 *control = wm8994->wm8994;
3268         struct wm8994_pdata *pdata = &control->pdata;
3269         int ret, i;
3270 
3271         if (!pdata)
3272                 return;
3273 
3274         wm_hubs_handle_analogue_pdata(codec, pdata->lineout1_diff,
3275                                       pdata->lineout2_diff,
3276                                       pdata->lineout1fb,
3277                                       pdata->lineout2fb,
3278                                       pdata->jd_scthr,
3279                                       pdata->jd_thr,
3280                                       pdata->micb1_delay,
3281                                       pdata->micb2_delay,
3282                                       pdata->micbias1_lvl,
3283                                       pdata->micbias2_lvl);
3284 
3285         dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
3286 
3287         if (pdata->num_drc_cfgs) {
3288                 struct snd_kcontrol_new controls[] = {
3289                         SOC_ENUM_EXT("AIF1DRC1 Mode", wm8994->drc_enum,
3290                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3291                         SOC_ENUM_EXT("AIF1DRC2 Mode", wm8994->drc_enum,
3292                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3293                         SOC_ENUM_EXT("AIF2DRC Mode", wm8994->drc_enum,
3294                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3295                 };
3296 
3297                 /* We need an array of texts for the enum API */
3298                 wm8994->drc_texts = devm_kzalloc(wm8994->hubs.codec->dev,
3299                             sizeof(char *) * pdata->num_drc_cfgs, GFP_KERNEL);
3300                 if (!wm8994->drc_texts)
3301                         return;
3302 
3303                 for (i = 0; i < pdata->num_drc_cfgs; i++)
3304                         wm8994->drc_texts[i] = pdata->drc_cfgs[i].name;
3305 
3306                 wm8994->drc_enum.items = pdata->num_drc_cfgs;
3307                 wm8994->drc_enum.texts = wm8994->drc_texts;
3308 
3309                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3310                                            ARRAY_SIZE(controls));
3311                 for (i = 0; i < WM8994_NUM_DRC; i++)
3312                         wm8994_set_drc(codec, i);
3313         } else {
3314                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
3315                                                  wm8994_drc_controls,
3316                                                  ARRAY_SIZE(wm8994_drc_controls));
3317         }
3318 
3319         if (ret != 0)
3320                 dev_err(wm8994->hubs.codec->dev,
3321                         "Failed to add DRC mode controls: %d\n", ret);
3322 
3323 
3324         dev_dbg(codec->dev, "%d ReTune Mobile configurations\n",
3325                 pdata->num_retune_mobile_cfgs);
3326 
3327         if (pdata->num_retune_mobile_cfgs)
3328                 wm8994_handle_retune_mobile_pdata(wm8994);
3329         else
3330                 snd_soc_add_codec_controls(wm8994->hubs.codec, wm8994_eq_controls,
3331                                      ARRAY_SIZE(wm8994_eq_controls));
3332 
3333         for (i = 0; i < ARRAY_SIZE(pdata->micbias); i++) {
3334                 if (pdata->micbias[i]) {
3335                         snd_soc_write(codec, WM8958_MICBIAS1 + i,
3336                                 pdata->micbias[i] & 0xffff);
3337                 }
3338         }
3339 }
3340 
3341 /**
3342  * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ
3343  *
3344  * @codec:   WM8994 codec
3345  * @jack:    jack to report detection events on
3346  * @micbias: microphone bias to detect on
3347  *
3348  * Enable microphone detection via IRQ on the WM8994.  If GPIOs are
3349  * being used to bring out signals to the processor then only platform
3350  * data configuration is needed for WM8994 and processor GPIOs should
3351  * be configured using snd_soc_jack_add_gpios() instead.
3352  *
3353  * Configuration of detection levels is available via the micbias1_lvl
3354  * and micbias2_lvl platform data members.
3355  */
3356 int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3357                       int micbias)
3358 {
3359         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3360         struct wm8994_micdet *micdet;
3361         struct wm8994 *control = wm8994->wm8994;
3362         int reg, ret;
3363 
3364         if (control->type != WM8994) {
3365                 dev_warn(codec->dev, "Not a WM8994\n");
3366                 return -EINVAL;
3367         }
3368 
3369         switch (micbias) {
3370         case 1:
3371                 micdet = &wm8994->micdet[0];
3372                 if (jack)
3373                         ret = snd_soc_dapm_force_enable_pin(&codec->dapm,
3374                                                             "MICBIAS1");
3375                 else
3376                         ret = snd_soc_dapm_disable_pin(&codec->dapm,
3377                                                        "MICBIAS1");
3378                 break;
3379         case 2:
3380                 micdet = &wm8994->micdet[1];
3381                 if (jack)
3382                         ret = snd_soc_dapm_force_enable_pin(&codec->dapm,
3383                                                             "MICBIAS1");
3384                 else
3385                         ret = snd_soc_dapm_disable_pin(&codec->dapm,
3386                                                        "MICBIAS1");
3387                 break;
3388         default:
3389                 dev_warn(codec->dev, "Invalid MICBIAS %d\n", micbias);
3390                 return -EINVAL;
3391         }
3392 
3393         if (ret != 0)
3394                 dev_warn(codec->dev, "Failed to configure MICBIAS%d: %d\n",
3395                          micbias, ret);
3396 
3397         dev_dbg(codec->dev, "Configuring microphone detection on %d %p\n",
3398                 micbias, jack);
3399 
3400         /* Store the configuration */
3401         micdet->jack = jack;
3402         micdet->detecting = true;
3403 
3404         /* If either of the jacks is set up then enable detection */
3405         if (wm8994->micdet[0].jack || wm8994->micdet[1].jack)
3406                 reg = WM8994_MICD_ENA;
3407         else
3408                 reg = 0;
3409 
3410         snd_soc_update_bits(codec, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
3411 
3412         /* enable MICDET and MICSHRT deboune */
3413         snd_soc_update_bits(codec, WM8994_IRQ_DEBOUNCE,
3414                             WM8994_MIC1_DET_DB_MASK | WM8994_MIC1_SHRT_DB_MASK |
3415                             WM8994_MIC2_DET_DB_MASK | WM8994_MIC2_SHRT_DB_MASK,
3416                             WM8994_MIC1_DET_DB | WM8994_MIC1_SHRT_DB);
3417 
3418         snd_soc_dapm_sync(&codec->dapm);
3419 
3420         return 0;
3421 }
3422 EXPORT_SYMBOL_GPL(wm8994_mic_detect);
3423 
3424 static void wm8994_mic_work(struct work_struct *work)
3425 {
3426         struct wm8994_priv *priv = container_of(work,
3427                                                 struct wm8994_priv,
3428                                                 mic_work.work);
3429         struct regmap *regmap = priv->wm8994->regmap;
3430         struct device *dev = priv->wm8994->dev;
3431         unsigned int reg;
3432         int ret;
3433         int report;
3434 
3435         pm_runtime_get_sync(dev);
3436 
3437         ret = regmap_read(regmap, WM8994_INTERRUPT_RAW_STATUS_2, &reg);
3438         if (ret < 0) {
3439                 dev_err(dev, "Failed to read microphone status: %d\n",
3440                         ret);
3441                 pm_runtime_put(dev);
3442                 return;
3443         }
3444 
3445         dev_dbg(dev, "Microphone status: %x\n", reg);
3446 
3447         report = 0;
3448         if (reg & WM8994_MIC1_DET_STS) {
3449                 if (priv->micdet[0].detecting)
3450                         report = SND_JACK_HEADSET;
3451         }
3452         if (reg & WM8994_MIC1_SHRT_STS) {
3453                 if (priv->micdet[0].detecting)
3454                         report = SND_JACK_HEADPHONE;
3455                 else
3456                         report |= SND_JACK_BTN_0;
3457         }
3458         if (report)
3459                 priv->micdet[0].detecting = false;
3460         else
3461                 priv->micdet[0].detecting = true;
3462 
3463         snd_soc_jack_report(priv->micdet[0].jack, report,
3464                             SND_JACK_HEADSET | SND_JACK_BTN_0);
3465 
3466         report = 0;
3467         if (reg & WM8994_MIC2_DET_STS) {
3468                 if (priv->micdet[1].detecting)
3469                         report = SND_JACK_HEADSET;
3470         }
3471         if (reg & WM8994_MIC2_SHRT_STS) {
3472                 if (priv->micdet[1].detecting)
3473                         report = SND_JACK_HEADPHONE;
3474                 else
3475                         report |= SND_JACK_BTN_0;
3476         }
3477         if (report)
3478                 priv->micdet[1].detecting = false;
3479         else
3480                 priv->micdet[1].detecting = true;
3481 
3482         snd_soc_jack_report(priv->micdet[1].jack, report,
3483                             SND_JACK_HEADSET | SND_JACK_BTN_0);
3484 
3485         pm_runtime_put(dev);
3486 }
3487 
3488 static irqreturn_t wm8994_mic_irq(int irq, void *data)
3489 {
3490         struct wm8994_priv *priv = data;
3491         struct snd_soc_codec *codec = priv->hubs.codec;
3492 
3493 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3494         trace_snd_soc_jack_irq(dev_name(codec->dev));
3495 #endif
3496 
3497         pm_wakeup_event(codec->dev, 300);
3498 
3499         queue_delayed_work(system_power_efficient_wq,
3500                            &priv->mic_work, msecs_to_jiffies(250));
3501 
3502         return IRQ_HANDLED;
3503 }
3504 
3505 /* Should be called with accdet_lock held */
3506 static void wm1811_micd_stop(struct snd_soc_codec *codec)
3507 {
3508         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3509 
3510         if (!wm8994->jackdet)
3511                 return;
3512 
3513         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0);
3514 
3515         wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3516 
3517         if (wm8994->wm8994->pdata.jd_ext_cap)
3518                 snd_soc_dapm_disable_pin(&codec->dapm,
3519                                          "MICBIAS2");
3520 }
3521 
3522 static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
3523 {
3524         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3525         int report;
3526 
3527         report = 0;
3528         if (status & 0x4)
3529                 report |= SND_JACK_BTN_0;
3530 
3531         if (status & 0x8)
3532                 report |= SND_JACK_BTN_1;
3533 
3534         if (status & 0x10)
3535                 report |= SND_JACK_BTN_2;
3536 
3537         if (status & 0x20)
3538                 report |= SND_JACK_BTN_3;
3539 
3540         if (status & 0x40)
3541                 report |= SND_JACK_BTN_4;
3542 
3543         if (status & 0x80)
3544                 report |= SND_JACK_BTN_5;
3545 
3546         snd_soc_jack_report(wm8994->micdet[0].jack, report,
3547                             wm8994->btn_mask);
3548 }
3549 
3550 static void wm8958_open_circuit_work(struct work_struct *work)
3551 {
3552         struct wm8994_priv *wm8994 = container_of(work,
3553                                                   struct wm8994_priv,
3554                                                   open_circuit_work.work);
3555         struct device *dev = wm8994->wm8994->dev;
3556 
3557         mutex_lock(&wm8994->accdet_lock);
3558 
3559         wm1811_micd_stop(wm8994->hubs.codec);
3560 
3561         dev_dbg(dev, "Reporting open circuit\n");
3562 
3563         wm8994->jack_mic = false;
3564         wm8994->mic_detecting = true;
3565 
3566         wm8958_micd_set_rate(wm8994->hubs.codec);
3567 
3568         snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3569                             wm8994->btn_mask |
3570                             SND_JACK_HEADSET);
3571 
3572         mutex_unlock(&wm8994->accdet_lock);
3573 }
3574 
3575 static void wm8958_mic_id(void *data, u16 status)
3576 {
3577         struct snd_soc_codec *codec = data;
3578         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3579 
3580         /* Either nothing present or just starting detection */
3581         if (!(status & WM8958_MICD_STS)) {
3582                 /* If nothing present then clear our statuses */
3583                 dev_dbg(codec->dev, "Detected open circuit\n");
3584 
3585                 queue_delayed_work(system_power_efficient_wq,
3586                                    &wm8994->open_circuit_work,
3587                                    msecs_to_jiffies(2500));
3588                 return;
3589         }
3590 
3591         /* If the measurement is showing a high impedence we've got a
3592          * microphone.
3593          */
3594         if (status & 0x600) {
3595                 dev_dbg(codec->dev, "Detected microphone\n");
3596 
3597                 wm8994->mic_detecting = false;
3598                 wm8994->jack_mic = true;
3599 
3600                 wm8958_micd_set_rate(codec);
3601 
3602                 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET,
3603                                     SND_JACK_HEADSET);
3604         }
3605 
3606 
3607         if (status & 0xfc) {
3608                 dev_dbg(codec->dev, "Detected headphone\n");
3609                 wm8994->mic_detecting = false;
3610 
3611                 wm8958_micd_set_rate(codec);
3612 
3613                 /* If we have jackdet that will detect removal */
3614                 wm1811_micd_stop(codec);
3615 
3616                 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
3617                                     SND_JACK_HEADSET);
3618         }
3619 }
3620 
3621 /* Deferred mic detection to allow for extra settling time */
3622 static void wm1811_mic_work(struct work_struct *work)
3623 {
3624         struct wm8994_priv *wm8994 = container_of(work, struct wm8994_priv,
3625                                                   mic_work.work);
3626         struct wm8994 *control = wm8994->wm8994;
3627         struct snd_soc_codec *codec = wm8994->hubs.codec;
3628 
3629         pm_runtime_get_sync(codec->dev);
3630 
3631         /* If required for an external cap force MICBIAS on */
3632         if (control->pdata.jd_ext_cap) {
3633                 snd_soc_dapm_force_enable_pin(&codec->dapm,
3634                                               "MICBIAS2");
3635                 snd_soc_dapm_sync(&codec->dapm);
3636         }
3637 
3638         mutex_lock(&wm8994->accdet_lock);
3639 
3640         dev_dbg(codec->dev, "Starting mic detection\n");
3641 
3642         /* Use a user-supplied callback if we have one */
3643         if (wm8994->micd_cb) {
3644                 wm8994->micd_cb(wm8994->micd_cb_data);
3645         } else {
3646                 /*
3647                  * Start off measument of microphone impedence to find out
3648                  * what's actually there.
3649                  */
3650                 wm8994->mic_detecting = true;
3651                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_MIC);
3652 
3653                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3654                                     WM8958_MICD_ENA, WM8958_MICD_ENA);
3655         }
3656 
3657         mutex_unlock(&wm8994->accdet_lock);
3658 
3659         pm_runtime_put(codec->dev);
3660 }
3661 
3662 static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
3663 {
3664         struct wm8994_priv *wm8994 = data;
3665         struct wm8994 *control = wm8994->wm8994;
3666         struct snd_soc_codec *codec = wm8994->hubs.codec;
3667         int reg, delay;
3668         bool present;
3669 
3670         pm_runtime_get_sync(codec->dev);
3671 
3672         cancel_delayed_work_sync(&wm8994->mic_complete_work);
3673 
3674         mutex_lock(&wm8994->accdet_lock);
3675 
3676         reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3677         if (reg < 0) {
3678                 dev_err(codec->dev, "Failed to read jack status: %d\n", reg);
3679                 mutex_unlock(&wm8994->accdet_lock);
3680                 pm_runtime_put(codec->dev);
3681                 return IRQ_NONE;
3682         }
3683 
3684         dev_dbg(codec->dev, "JACKDET %x\n", reg);
3685 
3686         present = reg & WM1811_JACKDET_LVL;
3687 
3688         if (present) {
3689                 dev_dbg(codec->dev, "Jack detected\n");
3690 
3691                 wm8958_micd_set_rate(codec);
3692 
3693                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
3694                                     WM8958_MICB2_DISCH, 0);
3695 
3696                 /* Disable debounce while inserted */
3697                 snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3698                                     WM1811_JACKDET_DB, 0);
3699 
3700                 delay = control->pdata.micdet_delay;
3701                 queue_delayed_work(system_power_efficient_wq,
3702                                    &wm8994->mic_work,
3703                                    msecs_to_jiffies(delay));
3704         } else {
3705                 dev_dbg(codec->dev, "Jack not detected\n");
3706 
3707                 cancel_delayed_work_sync(&wm8994->mic_work);
3708 
3709                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
3710                                     WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
3711 
3712                 /* Enable debounce while removed */
3713                 snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3714                                     WM1811_JACKDET_DB, WM1811_JACKDET_DB);
3715 
3716                 wm8994->mic_detecting = false;
3717                 wm8994->jack_mic = false;
3718                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3719                                     WM8958_MICD_ENA, 0);
3720                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3721         }
3722 
3723         mutex_unlock(&wm8994->accdet_lock);
3724 
3725         /* Turn off MICBIAS if it was on for an external cap */
3726         if (control->pdata.jd_ext_cap && !present)
3727                 snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2");
3728 
3729         if (present)
3730                 snd_soc_jack_report(wm8994->micdet[0].jack,
3731                                     SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
3732         else
3733                 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3734                                     SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3735                                     wm8994->btn_mask);
3736 
3737         /* Since we only report deltas force an update, ensures we
3738          * avoid bootstrapping issues with the core. */
3739         snd_soc_jack_report(wm8994->micdet[0].jack, 0, 0);
3740 
3741         pm_runtime_put(codec->dev);
3742         return IRQ_HANDLED;
3743 }
3744 
3745 static void wm1811_jackdet_bootstrap(struct work_struct *work)
3746 {
3747         struct wm8994_priv *wm8994 = container_of(work,
3748                                                 struct wm8994_priv,
3749                                                 jackdet_bootstrap.work);
3750         wm1811_jackdet_irq(0, wm8994);
3751 }
3752 
3753 /**
3754  * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ
3755  *
3756  * @codec:   WM8958 codec
3757  * @jack:    jack to report detection events on
3758  *
3759  * Enable microphone detection functionality for the WM8958.  By
3760  * default simple detection which supports the detection of up to 6
3761  * buttons plus video and microphone functionality is supported.
3762  *
3763  * The WM8958 has an advanced jack detection facility which is able to
3764  * support complex accessory detection, especially when used in
3765  * conjunction with external circuitry.  In order to provide maximum
3766  * flexiblity a callback is provided which allows a completely custom
3767  * detection algorithm.
3768  */
3769 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3770                       wm1811_micdet_cb det_cb, void *det_cb_data,
3771                       wm1811_mic_id_cb id_cb, void *id_cb_data)
3772 {
3773         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3774         struct wm8994 *control = wm8994->wm8994;
3775         u16 micd_lvl_sel;
3776 
3777         switch (control->type) {
3778         case WM1811:
3779         case WM8958:
3780                 break;
3781         default:
3782                 return -EINVAL;
3783         }
3784 
3785         if (jack) {
3786                 snd_soc_dapm_force_enable_pin(&codec->dapm, "CLK_SYS");
3787                 snd_soc_dapm_sync(&codec->dapm);
3788 
3789                 wm8994->micdet[0].jack = jack;
3790 
3791                 if (det_cb) {
3792                         wm8994->micd_cb = det_cb;
3793                         wm8994->micd_cb_data = det_cb_data;
3794                 } else {
3795                         wm8994->mic_detecting = true;
3796                         wm8994->jack_mic = false;
3797                 }
3798 
3799                 if (id_cb) {
3800                         wm8994->mic_id_cb = id_cb;
3801                         wm8994->mic_id_cb_data = id_cb_data;
3802                 } else {
3803                         wm8994->mic_id_cb = wm8958_mic_id;
3804                         wm8994->mic_id_cb_data = codec;
3805                 }
3806 
3807                 wm8958_micd_set_rate(codec);
3808 
3809                 /* Detect microphones and short circuits by default */
3810                 if (control->pdata.micd_lvl_sel)
3811                         micd_lvl_sel = control->pdata.micd_lvl_sel;
3812                 else
3813                         micd_lvl_sel = 0x41;
3814 
3815                 wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
3816                         SND_JACK_BTN_2 | SND_JACK_BTN_3 |
3817                         SND_JACK_BTN_4 | SND_JACK_BTN_5;
3818 
3819                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_2,
3820                                     WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
3821 
3822                 WARN_ON(codec->dapm.bias_level > SND_SOC_BIAS_STANDBY);
3823 
3824                 /*
3825                  * If we can use jack detection start off with that,
3826                  * otherwise jump straight to microphone detection.
3827                  */
3828                 if (wm8994->jackdet) {
3829                         /* Disable debounce for the initial detect */
3830                         snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3831                                             WM1811_JACKDET_DB, 0);
3832 
3833                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
3834                                             WM8958_MICB2_DISCH,
3835                                             WM8958_MICB2_DISCH);
3836                         snd_soc_update_bits(codec, WM8994_LDO_1,
3837                                             WM8994_LDO1_DISCH, 0);
3838                         wm1811_jackdet_set_mode(codec,
3839                                                 WM1811_JACKDET_MODE_JACK);
3840                 } else {
3841                         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3842                                             WM8958_MICD_ENA, WM8958_MICD_ENA);
3843                 }
3844 
3845         } else {
3846                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3847                                     WM8958_MICD_ENA, 0);
3848                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_NONE);
3849                 snd_soc_dapm_disable_pin(&codec->dapm, "CLK_SYS");
3850                 snd_soc_dapm_sync(&codec->dapm);
3851         }
3852 
3853         return 0;
3854 }
3855 EXPORT_SYMBOL_GPL(wm8958_mic_detect);
3856 
3857 static void wm8958_mic_work(struct work_struct *work)
3858 {
3859         struct wm8994_priv *wm8994 = container_of(work,
3860                                                   struct wm8994_priv,
3861                                                   mic_complete_work.work);
3862         struct snd_soc_codec *codec = wm8994->hubs.codec;
3863 
3864         pm_runtime_get_sync(codec->dev);
3865 
3866         mutex_lock(&wm8994->accdet_lock);
3867 
3868         wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
3869 
3870         mutex_unlock(&wm8994->accdet_lock);
3871 
3872         pm_runtime_put(codec->dev);
3873 }
3874 
3875 static irqreturn_t wm8958_mic_irq(int irq, void *data)
3876 {
3877         struct wm8994_priv *wm8994 = data;
3878         struct snd_soc_codec *codec = wm8994->hubs.codec;
3879         int reg, count, ret, id_delay;
3880 
3881         /*
3882          * Jack detection may have detected a removal simulataneously
3883          * with an update of the MICDET status; if so it will have
3884          * stopped detection and we can ignore this interrupt.
3885          */
3886         if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
3887                 return IRQ_HANDLED;
3888 
3889         cancel_delayed_work_sync(&wm8994->mic_complete_work);
3890         cancel_delayed_work_sync(&wm8994->open_circuit_work);
3891 
3892         pm_runtime_get_sync(codec->dev);
3893 
3894         /* We may occasionally read a detection without an impedence
3895          * range being provided - if that happens loop again.
3896          */
3897         count = 10;
3898         do {
3899                 reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
3900                 if (reg < 0) {
3901                         dev_err(codec->dev,
3902                                 "Failed to read mic detect status: %d\n",
3903                                 reg);
3904                         pm_runtime_put(codec->dev);
3905                         return IRQ_NONE;
3906                 }
3907 
3908                 if (!(reg & WM8958_MICD_VALID)) {
3909                         dev_dbg(codec->dev, "Mic detect data not valid\n");
3910                         goto out;
3911                 }
3912 
3913                 if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
3914                         break;
3915 
3916                 msleep(1);
3917         } while (count--);
3918 
3919         if (count == 0)
3920                 dev_warn(codec->dev, "No impedance range reported for jack\n");
3921 
3922 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3923         trace_snd_soc_jack_irq(dev_name(codec->dev));
3924 #endif
3925 
3926         /* Avoid a transient report when the accessory is being removed */
3927         if (wm8994->jackdet) {
3928                 ret = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3929                 if (ret < 0) {
3930                         dev_err(codec->dev, "Failed to read jack status: %d\n",
3931                                 ret);
3932                 } else if (!(ret & WM1811_JACKDET_LVL)) {
3933                         dev_dbg(codec->dev, "Ignoring removed jack\n");
3934                         goto out;
3935                 }
3936         } else if (!(reg & WM8958_MICD_STS)) {
3937                 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3938                                     SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3939                                     wm8994->btn_mask);
3940                 wm8994->mic_detecting = true;
3941                 goto out;
3942         }
3943 
3944         wm8994->mic_status = reg;
3945         id_delay = wm8994->wm8994->pdata.mic_id_delay;
3946 
3947         if (wm8994->mic_detecting)
3948                 queue_delayed_work(system_power_efficient_wq,
3949                                    &wm8994->mic_complete_work,
3950                                    msecs_to_jiffies(id_delay));
3951         else
3952                 wm8958_button_det(codec, reg);
3953 
3954 out:
3955         pm_runtime_put(codec->dev);
3956         return IRQ_HANDLED;
3957 }
3958 
3959 static irqreturn_t wm8994_fifo_error(int irq, void *data)
3960 {
3961         struct snd_soc_codec *codec = data;
3962 
3963         dev_err(codec->dev, "FIFO error\n");
3964 
3965         return IRQ_HANDLED;
3966 }
3967 
3968 static irqreturn_t wm8994_temp_warn(int irq, void *data)
3969 {
3970         struct snd_soc_codec *codec = data;
3971 
3972         dev_err(codec->dev, "Thermal warning\n");
3973 
3974         return IRQ_HANDLED;
3975 }
3976 
3977 static irqreturn_t wm8994_temp_shut(int irq, void *data)
3978 {
3979         struct snd_soc_codec *codec = data;
3980 
3981         dev_crit(codec->dev, "Thermal shutdown\n");
3982 
3983         return IRQ_HANDLED;
3984 }
3985 
3986 static int wm8994_codec_probe(struct snd_soc_codec *codec)
3987 {
3988         struct wm8994 *control = dev_get_drvdata(codec->dev->parent);
3989         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3990         struct snd_soc_dapm_context *dapm = &codec->dapm;
3991         unsigned int reg;
3992         int ret, i;
3993 
3994         wm8994->hubs.codec = codec;
3995 
3996         mutex_init(&wm8994->accdet_lock);
3997         INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
3998                           wm1811_jackdet_bootstrap);
3999         INIT_DELAYED_WORK(&wm8994->open_circuit_work,
4000                           wm8958_open_circuit_work);
4001 
4002         switch (control->type) {
4003         case WM8994:
4004                 INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
4005                 break;
4006         case WM1811:
4007                 INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
4008                 break;
4009         default:
4010                 break;
4011         }
4012 
4013         INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
4014 
4015         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4016                 init_completion(&wm8994->fll_locked[i]);
4017 
4018         wm8994->micdet_irq = control->pdata.micdet_irq;
4019 
4020         /* By default use idle_bias_off, will override for WM8994 */
4021         codec->dapm.idle_bias_off = 1;
4022 
4023         /* Set revision-specific configuration */
4024         switch (control->type) {
4025         case WM8994:
4026                 /* Single ended line outputs should have VMID on. */
4027                 if (!control->pdata.lineout1_diff ||
4028                     !control->pdata.lineout2_diff)
4029                         codec->dapm.idle_bias_off = 0;
4030 
4031                 switch (control->revision) {
4032                 case 2:
4033                 case 3:
4034                         wm8994->hubs.dcs_codes_l = -5;
4035                         wm8994->hubs.dcs_codes_r = -5;
4036                         wm8994->hubs.hp_startup_mode = 1;
4037                         wm8994->hubs.dcs_readback_mode = 1;
4038                         wm8994->hubs.series_startup = 1;
4039                         break;
4040                 default:
4041                         wm8994->hubs.dcs_readback_mode = 2;
4042                         break;
4043                 }
4044                 break;
4045 
4046         case WM8958:
4047                 wm8994->hubs.dcs_readback_mode = 1;
4048                 wm8994->hubs.hp_startup_mode = 1;
4049 
4050                 switch (control->revision) {
4051                 case 0:
4052                         break;
4053                 default:
4054                         wm8994->fll_byp = true;
4055                         break;
4056                 }
4057                 break;
4058 
4059         case WM1811:
4060                 wm8994->hubs.dcs_readback_mode = 2;
4061                 wm8994->hubs.no_series_update = 1;
4062                 wm8994->hubs.hp_startup_mode = 1;
4063                 wm8994->hubs.no_cache_dac_hp_direct = true;
4064                 wm8994->fll_byp = true;
4065 
4066                 wm8994->hubs.dcs_codes_l = -9;
4067                 wm8994->hubs.dcs_codes_r = -7;
4068 
4069                 snd_soc_update_bits(codec, WM8994_ANALOGUE_HP_1,
4070                                     WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
4071                 break;
4072 
4073         default:
4074                 break;
4075         }
4076 
4077         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR,
4078                            wm8994_fifo_error, "FIFO error", codec);
4079         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
4080                            wm8994_temp_warn, "Thermal warning", codec);
4081         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
4082                            wm8994_temp_shut, "Thermal shutdown", codec);
4083 
4084         switch (control->type) {
4085         case WM8994:
4086                 if (wm8994->micdet_irq)
4087                         ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4088                                                    wm8994_mic_irq,
4089                                                    IRQF_TRIGGER_RISING,
4090                                                    "Mic1 detect",
4091                                                    wm8994);
4092                  else
4093                         ret = wm8994_request_irq(wm8994->wm8994,
4094                                         WM8994_IRQ_MIC1_DET,
4095                                         wm8994_mic_irq, "Mic 1 detect",
4096                                         wm8994);
4097 
4098                 if (ret != 0)
4099                         dev_warn(codec->dev,
4100                                  "Failed to request Mic1 detect IRQ: %d\n",
4101                                  ret);
4102 
4103 
4104                 ret = wm8994_request_irq(wm8994->wm8994,
4105                                          WM8994_IRQ_MIC1_SHRT,
4106                                          wm8994_mic_irq, "Mic 1 short",
4107                                          wm8994);
4108                 if (ret != 0)
4109                         dev_warn(codec->dev,
4110                                  "Failed to request Mic1 short IRQ: %d\n",
4111                                  ret);
4112 
4113                 ret = wm8994_request_irq(wm8994->wm8994,
4114                                          WM8994_IRQ_MIC2_DET,
4115                                          wm8994_mic_irq, "Mic 2 detect",
4116                                          wm8994);
4117                 if (ret != 0)
4118                         dev_warn(codec->dev,
4119                                  "Failed to request Mic2 detect IRQ: %d\n",
4120                                  ret);
4121 
4122                 ret = wm8994_request_irq(wm8994->wm8994,
4123                                          WM8994_IRQ_MIC2_SHRT,
4124                                          wm8994_mic_irq, "Mic 2 short",
4125                                          wm8994);
4126                 if (ret != 0)
4127                         dev_warn(codec->dev,
4128                                  "Failed to request Mic2 short IRQ: %d\n",
4129                                  ret);
4130                 break;
4131 
4132         case WM8958:
4133         case WM1811:
4134                 if (wm8994->micdet_irq) {
4135                         ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4136                                                    wm8958_mic_irq,
4137                                                    IRQF_TRIGGER_RISING,
4138                                                    "Mic detect",
4139                                                    wm8994);
4140                         if (ret != 0)
4141                                 dev_warn(codec->dev,
4142                                          "Failed to request Mic detect IRQ: %d\n",
4143                                          ret);
4144                 } else {
4145                         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4146                                            wm8958_mic_irq, "Mic detect",
4147                                            wm8994);
4148                 }
4149         }
4150 
4151         switch (control->type) {
4152         case WM1811:
4153                 if (control->cust_id > 1 || control->revision > 1) {
4154                         ret = wm8994_request_irq(wm8994->wm8994,
4155                                                  WM8994_IRQ_GPIO(6),
4156                                                  wm1811_jackdet_irq, "JACKDET",
4157                                                  wm8994);
4158                         if (ret == 0)
4159                                 wm8994->jackdet = true;
4160                 }
4161                 break;
4162         default:
4163                 break;
4164         }
4165 
4166         wm8994->fll_locked_irq = true;
4167         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
4168                 ret = wm8994_request_irq(wm8994->wm8994,
4169                                          WM8994_IRQ_FLL1_LOCK + i,
4170                                          wm8994_fll_locked_irq, "FLL lock",
4171                                          &wm8994->fll_locked[i]);
4172                 if (ret != 0)
4173                         wm8994->fll_locked_irq = false;
4174         }
4175 
4176         /* Make sure we can read from the GPIOs if they're inputs */
4177         pm_runtime_get_sync(codec->dev);
4178 
4179         /* Remember if AIFnLRCLK is configured as a GPIO.  This should be
4180          * configured on init - if a system wants to do this dynamically
4181          * at runtime we can deal with that then.
4182          */
4183         ret = regmap_read(control->regmap, WM8994_GPIO_1, &reg);
4184         if (ret < 0) {
4185                 dev_err(codec->dev, "Failed to read GPIO1 state: %d\n", ret);
4186                 goto err_irq;
4187         }
4188         if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4189                 wm8994->lrclk_shared[0] = 1;
4190                 wm8994_dai[0].symmetric_rates = 1;
4191         } else {
4192                 wm8994->lrclk_shared[0] = 0;
4193         }
4194 
4195         ret = regmap_read(control->regmap, WM8994_GPIO_6, &reg);
4196         if (ret < 0) {
4197                 dev_err(codec->dev, "Failed to read GPIO6 state: %d\n", ret);
4198                 goto err_irq;
4199         }
4200         if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4201                 wm8994->lrclk_shared[1] = 1;
4202                 wm8994_dai[1].symmetric_rates = 1;
4203         } else {
4204                 wm8994->lrclk_shared[1] = 0;
4205         }
4206 
4207         pm_runtime_put(codec->dev);
4208 
4209         /* Latch volume update bits */
4210         for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
4211                 snd_soc_update_bits(codec, wm8994_vu_bits[i].reg,
4212                                     wm8994_vu_bits[i].mask,
4213                                     wm8994_vu_bits[i].mask);
4214 
4215         /* Set the low bit of the 3D stereo depth so TLV matches */
4216         snd_soc_update_bits(codec, WM8994_AIF1_DAC1_FILTERS_2,
4217                             1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT,
4218                             1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT);
4219         snd_soc_update_bits(codec, WM8994_AIF1_DAC2_FILTERS_2,
4220                             1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT,
4221                             1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT);
4222         snd_soc_update_bits(codec, WM8994_AIF2_DAC_FILTERS_2,
4223                             1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
4224                             1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
4225 
4226         /* Unconditionally enable AIF1 ADC TDM mode on chips which can
4227          * use this; it only affects behaviour on idle TDM clock
4228          * cycles. */
4229         switch (control->type) {
4230         case WM8994:
4231         case WM8958:
4232                 snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
4233                                     WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
4234                 break;
4235         default:
4236                 break;
4237         }
4238 
4239         /* Put MICBIAS into bypass mode by default on newer devices */
4240         switch (control->type) {
4241         case WM8958:
4242         case WM1811:
4243                 snd_soc_update_bits(codec, WM8958_MICBIAS1,
4244                                     WM8958_MICB1_MODE, WM8958_MICB1_MODE);
4245                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
4246                                     WM8958_MICB2_MODE, WM8958_MICB2_MODE);
4247                 break;
4248         default:
4249                 break;
4250         }
4251 
4252         wm8994->hubs.check_class_w_digital = wm8994_check_class_w_digital;
4253         wm_hubs_update_class_w(codec);
4254 
4255         wm8994_handle_pdata(wm8994);
4256 
4257         wm_hubs_add_analogue_controls(codec);
4258         snd_soc_add_codec_controls(codec, wm8994_snd_controls,
4259                              ARRAY_SIZE(wm8994_snd_controls));
4260         snd_soc_dapm_new_controls(dapm, wm8994_dapm_widgets,
4261                                   ARRAY_SIZE(wm8994_dapm_widgets));
4262 
4263         switch (control->type) {
4264         case WM8994:
4265                 snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
4266                                           ARRAY_SIZE(wm8994_specific_dapm_widgets));
4267                 if (control->revision < 4) {
4268                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4269                                                   ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4270                         snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4271                                                   ARRAY_SIZE(wm8994_adc_revd_widgets));
4272                         snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4273                                                   ARRAY_SIZE(wm8994_dac_revd_widgets));
4274                 } else {
4275                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4276                                                   ARRAY_SIZE(wm8994_lateclk_widgets));
4277                         snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4278                                                   ARRAY_SIZE(wm8994_adc_widgets));
4279                         snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4280                                                   ARRAY_SIZE(wm8994_dac_widgets));
4281                 }
4282                 break;
4283         case WM8958:
4284                 snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4285                                      ARRAY_SIZE(wm8958_snd_controls));
4286                 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4287                                           ARRAY_SIZE(wm8958_dapm_widgets));
4288                 if (control->revision < 1) {
4289                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4290                                                   ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4291                         snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4292                                                   ARRAY_SIZE(wm8994_adc_revd_widgets));
4293                         snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4294                                                   ARRAY_SIZE(wm8994_dac_revd_widgets));
4295                 } else {
4296                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4297                                                   ARRAY_SIZE(wm8994_lateclk_widgets));
4298                         snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4299                                                   ARRAY_SIZE(wm8994_adc_widgets));
4300                         snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4301                                                   ARRAY_SIZE(wm8994_dac_widgets));
4302                 }
4303                 break;
4304 
4305         case WM1811:
4306                 snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4307                                      ARRAY_SIZE(wm8958_snd_controls));
4308                 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4309                                           ARRAY_SIZE(wm8958_dapm_widgets));
4310                 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4311                                           ARRAY_SIZE(wm8994_lateclk_widgets));
4312                 snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4313                                           ARRAY_SIZE(wm8994_adc_widgets));
4314                 snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4315                                           ARRAY_SIZE(wm8994_dac_widgets));
4316                 break;
4317         }
4318 
4319         wm_hubs_add_analogue_routes(codec, 0, 0);
4320         ret = wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4321                                  wm_hubs_dcs_done, "DC servo done",
4322                                  &wm8994->hubs);
4323         if (ret == 0)
4324                 wm8994->hubs.dcs_done_irq = true;
4325         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
4326 
4327         switch (control->type) {
4328         case WM8994:
4329                 snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4330                                         ARRAY_SIZE(wm8994_intercon));
4331 
4332                 if (control->revision < 4) {
4333                         snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4334                                                 ARRAY_SIZE(wm8994_revd_intercon));
4335                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4336                                                 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4337                 } else {
4338                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4339                                                 ARRAY_SIZE(wm8994_lateclk_intercon));
4340                 }
4341                 break;
4342         case WM8958:
4343                 if (control->revision < 1) {
4344                         snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4345                                                 ARRAY_SIZE(wm8994_intercon));
4346                         snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4347                                                 ARRAY_SIZE(wm8994_revd_intercon));
4348                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4349                                                 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4350                 } else {
4351                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4352                                                 ARRAY_SIZE(wm8994_lateclk_intercon));
4353                         snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4354                                                 ARRAY_SIZE(wm8958_intercon));
4355                 }
4356 
4357                 wm8958_dsp2_init(codec);
4358                 break;
4359         case WM1811:
4360                 snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4361                                         ARRAY_SIZE(wm8994_lateclk_intercon));
4362                 snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4363                                         ARRAY_SIZE(wm8958_intercon));
4364                 break;
4365         }
4366 
4367         return 0;
4368 
4369 err_irq:
4370         if (wm8994->jackdet)
4371                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4372         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_SHRT, wm8994);
4373         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET, wm8994);
4374         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT, wm8994);
4375         if (wm8994->micdet_irq)
4376                 free_irq(wm8994->micdet_irq, wm8994);
4377         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4378                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4379                                 &wm8994->fll_locked[i]);
4380         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4381                         &wm8994->hubs);
4382         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4383         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4384         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4385 
4386         return ret;
4387 }
4388 
4389 static int wm8994_codec_remove(struct snd_soc_codec *codec)
4390 {
4391         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
4392         struct wm8994 *control = wm8994->wm8994;
4393         int i;
4394 
4395         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4396                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4397                                 &wm8994->fll_locked[i]);
4398 
4399         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4400                         &wm8994->hubs);
4401         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4402         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4403         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4404 
4405         if (wm8994->jackdet)
4406                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4407 
4408         switch (control->type) {
4409         case WM8994:
4410                 if (wm8994->micdet_irq)
4411                         free_irq(wm8994->micdet_irq, wm8994);
4412                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET,
4413                                 wm8994);
4414                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT,
4415                                 wm8994);
4416                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4417                                 wm8994);
4418                 break;
4419 
4420         case WM1811:
4421         case WM8958:
4422                 if (wm8994->micdet_irq)
4423                         free_irq(wm8994->micdet_irq, wm8994);
4424                 break;
4425         }
4426         release_firmware(wm8994->mbc);
4427         release_firmware(wm8994->mbc_vss);
4428         release_firmware(wm8994->enh_eq);
4429         kfree(wm8994->retune_mobile_texts);
4430         return 0;
4431 }
4432 
4433 static struct regmap *wm8994_get_regmap(struct device *dev)
4434 {
4435         struct wm8994 *control = dev_get_drvdata(dev->parent);
4436 
4437         return control->regmap;
4438 }
4439 
4440 static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
4441         .probe =        wm8994_codec_probe,
4442         .remove =       wm8994_codec_remove,
4443         .suspend =      wm8994_codec_suspend,
4444         .resume =       wm8994_codec_resume,
4445         .get_regmap =   wm8994_get_regmap,
4446         .set_bias_level = wm8994_set_bias_level,
4447 };
4448 
4449 static int wm8994_probe(struct platform_device *pdev)
4450 {
4451         struct wm8994_priv *wm8994;
4452 
4453         wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv),
4454                               GFP_KERNEL);
4455         if (wm8994 == NULL)
4456                 return -ENOMEM;
4457         platform_set_drvdata(pdev, wm8994);
4458 
4459         mutex_init(&wm8994->fw_lock);
4460 
4461         wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
4462 
4463         pm_runtime_enable(&pdev->dev);
4464         pm_runtime_idle(&pdev->dev);
4465 
4466         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8994,
4467                         wm8994_dai, ARRAY_SIZE(wm8994_dai));
4468 }
4469 
4470 static int wm8994_remove(struct platform_device *pdev)
4471 {
4472         snd_soc_unregister_codec(&pdev->dev);
4473         pm_runtime_disable(&pdev->dev);
4474 
4475         return 0;
4476 }
4477 
4478 #ifdef CONFIG_PM_SLEEP
4479 static int wm8994_suspend(struct device *dev)
4480 {
4481         struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4482 
4483         /* Drop down to power saving mode when system is suspended */
4484         if (wm8994->jackdet && !wm8994->active_refcount)
4485                 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4486                                    WM1811_JACKDET_MODE_MASK,
4487                                    wm8994->jackdet_mode);
4488 
4489         return 0;
4490 }
4491 
4492 static int wm8994_resume(struct device *dev)
4493 {
4494         struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4495 
4496         if (wm8994->jackdet && wm8994->jackdet_mode)
4497                 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4498                                    WM1811_JACKDET_MODE_MASK,
4499                                    WM1811_JACKDET_MODE_AUDIO);
4500 
4501         return 0;
4502 }
4503 #endif
4504 
4505 static const struct dev_pm_ops wm8994_pm_ops = {
4506         SET_SYSTEM_SLEEP_PM_OPS(wm8994_suspend, wm8994_resume)
4507 };
4508 
4509 static struct platform_driver wm8994_codec_driver = {
4510         .driver = {
4511                 .name = "wm8994-codec",
4512                 .pm = &wm8994_pm_ops,
4513         },
4514         .probe = wm8994_probe,
4515         .remove = wm8994_remove,
4516 };
4517 
4518 module_platform_driver(wm8994_codec_driver);
4519 
4520 MODULE_DESCRIPTION("ASoC WM8994 driver");
4521 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
4522 MODULE_LICENSE("GPL");
4523 MODULE_ALIAS("platform:wm8994-codec");
4524 

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