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TOMOYO Linux Cross Reference
Linux/sound/soc/codecs/wm8994.c

Version: ~ [ linux-5.6-rc1 ] ~ [ linux-5.5.2 ] ~ [ linux-5.4.17 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.102 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.170 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.213 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.213 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.81 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  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         int reg = snd_soc_read(source->codec, WM8994_CLOCKING_1);
253         const char *clk;
254 
255         /* Check what we're currently using for CLK_SYS */
256         if (reg & WM8994_SYSCLK_SRC)
257                 clk = "AIF2CLK";
258         else
259                 clk = "AIF1CLK";
260 
261         return strcmp(source->name, clk) == 0;
262 }
263 
264 static const char *sidetone_hpf_text[] = {
265         "2.7kHz", "1.35kHz", "675Hz", "370Hz", "180Hz", "90Hz", "45Hz"
266 };
267 
268 static const struct soc_enum sidetone_hpf =
269         SOC_ENUM_SINGLE(WM8994_SIDETONE, 7, 7, sidetone_hpf_text);
270 
271 static const char *adc_hpf_text[] = {
272         "HiFi", "Voice 1", "Voice 2", "Voice 3"
273 };
274 
275 static const struct soc_enum aif1adc1_hpf =
276         SOC_ENUM_SINGLE(WM8994_AIF1_ADC1_FILTERS, 13, 4, adc_hpf_text);
277 
278 static const struct soc_enum aif1adc2_hpf =
279         SOC_ENUM_SINGLE(WM8994_AIF1_ADC2_FILTERS, 13, 4, adc_hpf_text);
280 
281 static const struct soc_enum aif2adc_hpf =
282         SOC_ENUM_SINGLE(WM8994_AIF2_ADC_FILTERS, 13, 4, adc_hpf_text);
283 
284 static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0);
285 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
286 static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0);
287 static const DECLARE_TLV_DB_SCALE(wm8994_3d_tlv, -1600, 183, 0);
288 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
289 static const DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
290 static const DECLARE_TLV_DB_SCALE(mixin_boost_tlv, 0, 900, 0);
291 
292 #define WM8994_DRC_SWITCH(xname, reg, shift) \
293         SOC_SINGLE_EXT(xname, reg, shift, 1, 0, \
294                 snd_soc_get_volsw, wm8994_put_drc_sw)
295 
296 static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol,
297                              struct snd_ctl_elem_value *ucontrol)
298 {
299         struct soc_mixer_control *mc =
300                 (struct soc_mixer_control *)kcontrol->private_value;
301         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
302         int mask, ret;
303 
304         /* Can't enable both ADC and DAC paths simultaneously */
305         if (mc->shift == WM8994_AIF1DAC1_DRC_ENA_SHIFT)
306                 mask = WM8994_AIF1ADC1L_DRC_ENA_MASK |
307                         WM8994_AIF1ADC1R_DRC_ENA_MASK;
308         else
309                 mask = WM8994_AIF1DAC1_DRC_ENA_MASK;
310 
311         ret = snd_soc_read(codec, mc->reg);
312         if (ret < 0)
313                 return ret;
314         if (ret & mask)
315                 return -EINVAL;
316 
317         return snd_soc_put_volsw(kcontrol, ucontrol);
318 }
319 
320 static void wm8994_set_drc(struct snd_soc_codec *codec, int drc)
321 {
322         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
323         struct wm8994 *control = wm8994->wm8994;
324         struct wm8994_pdata *pdata = &control->pdata;
325         int base = wm8994_drc_base[drc];
326         int cfg = wm8994->drc_cfg[drc];
327         int save, i;
328 
329         /* Save any enables; the configuration should clear them. */
330         save = snd_soc_read(codec, base);
331         save &= WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
332                 WM8994_AIF1ADC1R_DRC_ENA;
333 
334         for (i = 0; i < WM8994_DRC_REGS; i++)
335                 snd_soc_update_bits(codec, base + i, 0xffff,
336                                     pdata->drc_cfgs[cfg].regs[i]);
337 
338         snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_DRC_ENA |
339                              WM8994_AIF1ADC1L_DRC_ENA |
340                              WM8994_AIF1ADC1R_DRC_ENA, save);
341 }
342 
343 /* Icky as hell but saves code duplication */
344 static int wm8994_get_drc(const char *name)
345 {
346         if (strcmp(name, "AIF1DRC1 Mode") == 0)
347                 return 0;
348         if (strcmp(name, "AIF1DRC2 Mode") == 0)
349                 return 1;
350         if (strcmp(name, "AIF2DRC Mode") == 0)
351                 return 2;
352         return -EINVAL;
353 }
354 
355 static int wm8994_put_drc_enum(struct snd_kcontrol *kcontrol,
356                                struct snd_ctl_elem_value *ucontrol)
357 {
358         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
359         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
360         struct wm8994 *control = wm8994->wm8994;
361         struct wm8994_pdata *pdata = &control->pdata;
362         int drc = wm8994_get_drc(kcontrol->id.name);
363         int value = ucontrol->value.integer.value[0];
364 
365         if (drc < 0)
366                 return drc;
367 
368         if (value >= pdata->num_drc_cfgs)
369                 return -EINVAL;
370 
371         wm8994->drc_cfg[drc] = value;
372 
373         wm8994_set_drc(codec, drc);
374 
375         return 0;
376 }
377 
378 static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol,
379                                struct snd_ctl_elem_value *ucontrol)
380 {
381         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
382         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
383         int drc = wm8994_get_drc(kcontrol->id.name);
384 
385         if (drc < 0)
386                 return drc;
387         ucontrol->value.enumerated.item[0] = wm8994->drc_cfg[drc];
388 
389         return 0;
390 }
391 
392 static void wm8994_set_retune_mobile(struct snd_soc_codec *codec, int block)
393 {
394         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
395         struct wm8994 *control = wm8994->wm8994;
396         struct wm8994_pdata *pdata = &control->pdata;
397         int base = wm8994_retune_mobile_base[block];
398         int iface, best, best_val, save, i, cfg;
399 
400         if (!pdata || !wm8994->num_retune_mobile_texts)
401                 return;
402 
403         switch (block) {
404         case 0:
405         case 1:
406                 iface = 0;
407                 break;
408         case 2:
409                 iface = 1;
410                 break;
411         default:
412                 return;
413         }
414 
415         /* Find the version of the currently selected configuration
416          * with the nearest sample rate. */
417         cfg = wm8994->retune_mobile_cfg[block];
418         best = 0;
419         best_val = INT_MAX;
420         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
421                 if (strcmp(pdata->retune_mobile_cfgs[i].name,
422                            wm8994->retune_mobile_texts[cfg]) == 0 &&
423                     abs(pdata->retune_mobile_cfgs[i].rate
424                         - wm8994->dac_rates[iface]) < best_val) {
425                         best = i;
426                         best_val = abs(pdata->retune_mobile_cfgs[i].rate
427                                        - wm8994->dac_rates[iface]);
428                 }
429         }
430 
431         dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
432                 block,
433                 pdata->retune_mobile_cfgs[best].name,
434                 pdata->retune_mobile_cfgs[best].rate,
435                 wm8994->dac_rates[iface]);
436 
437         /* The EQ will be disabled while reconfiguring it, remember the
438          * current configuration.
439          */
440         save = snd_soc_read(codec, base);
441         save &= WM8994_AIF1DAC1_EQ_ENA;
442 
443         for (i = 0; i < WM8994_EQ_REGS; i++)
444                 snd_soc_update_bits(codec, base + i, 0xffff,
445                                 pdata->retune_mobile_cfgs[best].regs[i]);
446 
447         snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_EQ_ENA, save);
448 }
449 
450 /* Icky as hell but saves code duplication */
451 static int wm8994_get_retune_mobile_block(const char *name)
452 {
453         if (strcmp(name, "AIF1.1 EQ Mode") == 0)
454                 return 0;
455         if (strcmp(name, "AIF1.2 EQ Mode") == 0)
456                 return 1;
457         if (strcmp(name, "AIF2 EQ Mode") == 0)
458                 return 2;
459         return -EINVAL;
460 }
461 
462 static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
463                                          struct snd_ctl_elem_value *ucontrol)
464 {
465         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
466         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
467         struct wm8994 *control = wm8994->wm8994;
468         struct wm8994_pdata *pdata = &control->pdata;
469         int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
470         int value = ucontrol->value.integer.value[0];
471 
472         if (block < 0)
473                 return block;
474 
475         if (value >= pdata->num_retune_mobile_cfgs)
476                 return -EINVAL;
477 
478         wm8994->retune_mobile_cfg[block] = value;
479 
480         wm8994_set_retune_mobile(codec, block);
481 
482         return 0;
483 }
484 
485 static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
486                                          struct snd_ctl_elem_value *ucontrol)
487 {
488         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
489         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
490         int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
491 
492         if (block < 0)
493                 return block;
494 
495         ucontrol->value.enumerated.item[0] = wm8994->retune_mobile_cfg[block];
496 
497         return 0;
498 }
499 
500 static const char *aif_chan_src_text[] = {
501         "Left", "Right"
502 };
503 
504 static const struct soc_enum aif1adcl_src =
505         SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_1, 15, 2, aif_chan_src_text);
506 
507 static const struct soc_enum aif1adcr_src =
508         SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_1, 14, 2, aif_chan_src_text);
509 
510 static const struct soc_enum aif2adcl_src =
511         SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_1, 15, 2, aif_chan_src_text);
512 
513 static const struct soc_enum aif2adcr_src =
514         SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_1, 14, 2, aif_chan_src_text);
515 
516 static const struct soc_enum aif1dacl_src =
517         SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 15, 2, aif_chan_src_text);
518 
519 static const struct soc_enum aif1dacr_src =
520         SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, 14, 2, aif_chan_src_text);
521 
522 static const struct soc_enum aif2dacl_src =
523         SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 15, 2, aif_chan_src_text);
524 
525 static const struct soc_enum aif2dacr_src =
526         SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, 14, 2, aif_chan_src_text);
527 
528 static const char *osr_text[] = {
529         "Low Power", "High Performance",
530 };
531 
532 static const struct soc_enum dac_osr =
533         SOC_ENUM_SINGLE(WM8994_OVERSAMPLING, 0, 2, osr_text);
534 
535 static const struct soc_enum adc_osr =
536         SOC_ENUM_SINGLE(WM8994_OVERSAMPLING, 1, 2, osr_text);
537 
538 static const struct snd_kcontrol_new wm8994_snd_controls[] = {
539 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME,
540                  WM8994_AIF1_ADC1_RIGHT_VOLUME,
541                  1, 119, 0, digital_tlv),
542 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8994_AIF1_ADC2_LEFT_VOLUME,
543                  WM8994_AIF1_ADC2_RIGHT_VOLUME,
544                  1, 119, 0, digital_tlv),
545 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8994_AIF2_ADC_LEFT_VOLUME,
546                  WM8994_AIF2_ADC_RIGHT_VOLUME,
547                  1, 119, 0, digital_tlv),
548 
549 SOC_ENUM("AIF1ADCL Source", aif1adcl_src),
550 SOC_ENUM("AIF1ADCR Source", aif1adcr_src),
551 SOC_ENUM("AIF2ADCL Source", aif2adcl_src),
552 SOC_ENUM("AIF2ADCR Source", aif2adcr_src),
553 
554 SOC_ENUM("AIF1DACL Source", aif1dacl_src),
555 SOC_ENUM("AIF1DACR Source", aif1dacr_src),
556 SOC_ENUM("AIF2DACL Source", aif2dacl_src),
557 SOC_ENUM("AIF2DACR Source", aif2dacr_src),
558 
559 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8994_AIF1_DAC1_LEFT_VOLUME,
560                  WM8994_AIF1_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
561 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8994_AIF1_DAC2_LEFT_VOLUME,
562                  WM8994_AIF1_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
563 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8994_AIF2_DAC_LEFT_VOLUME,
564                  WM8994_AIF2_DAC_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
565 
566 SOC_SINGLE_TLV("AIF1 Boost Volume", WM8994_AIF1_CONTROL_2, 10, 3, 0, aif_tlv),
567 SOC_SINGLE_TLV("AIF2 Boost Volume", WM8994_AIF2_CONTROL_2, 10, 3, 0, aif_tlv),
568 
569 SOC_SINGLE("AIF1DAC1 EQ Switch", WM8994_AIF1_DAC1_EQ_GAINS_1, 0, 1, 0),
570 SOC_SINGLE("AIF1DAC2 EQ Switch", WM8994_AIF1_DAC2_EQ_GAINS_1, 0, 1, 0),
571 SOC_SINGLE("AIF2 EQ Switch", WM8994_AIF2_EQ_GAINS_1, 0, 1, 0),
572 
573 WM8994_DRC_SWITCH("AIF1DAC1 DRC Switch", WM8994_AIF1_DRC1_1, 2),
574 WM8994_DRC_SWITCH("AIF1ADC1L DRC Switch", WM8994_AIF1_DRC1_1, 1),
575 WM8994_DRC_SWITCH("AIF1ADC1R DRC Switch", WM8994_AIF1_DRC1_1, 0),
576 
577 WM8994_DRC_SWITCH("AIF1DAC2 DRC Switch", WM8994_AIF1_DRC2_1, 2),
578 WM8994_DRC_SWITCH("AIF1ADC2L DRC Switch", WM8994_AIF1_DRC2_1, 1),
579 WM8994_DRC_SWITCH("AIF1ADC2R DRC Switch", WM8994_AIF1_DRC2_1, 0),
580 
581 WM8994_DRC_SWITCH("AIF2DAC DRC Switch", WM8994_AIF2_DRC_1, 2),
582 WM8994_DRC_SWITCH("AIF2ADCL DRC Switch", WM8994_AIF2_DRC_1, 1),
583 WM8994_DRC_SWITCH("AIF2ADCR DRC Switch", WM8994_AIF2_DRC_1, 0),
584 
585 SOC_SINGLE_TLV("DAC1 Right Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
586                5, 12, 0, st_tlv),
587 SOC_SINGLE_TLV("DAC1 Left Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
588                0, 12, 0, st_tlv),
589 SOC_SINGLE_TLV("DAC2 Right Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
590                5, 12, 0, st_tlv),
591 SOC_SINGLE_TLV("DAC2 Left Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
592                0, 12, 0, st_tlv),
593 SOC_ENUM("Sidetone HPF Mux", sidetone_hpf),
594 SOC_SINGLE("Sidetone HPF Switch", WM8994_SIDETONE, 6, 1, 0),
595 
596 SOC_ENUM("AIF1ADC1 HPF Mode", aif1adc1_hpf),
597 SOC_DOUBLE("AIF1ADC1 HPF Switch", WM8994_AIF1_ADC1_FILTERS, 12, 11, 1, 0),
598 
599 SOC_ENUM("AIF1ADC2 HPF Mode", aif1adc2_hpf),
600 SOC_DOUBLE("AIF1ADC2 HPF Switch", WM8994_AIF1_ADC2_FILTERS, 12, 11, 1, 0),
601 
602 SOC_ENUM("AIF2ADC HPF Mode", aif2adc_hpf),
603 SOC_DOUBLE("AIF2ADC HPF Switch", WM8994_AIF2_ADC_FILTERS, 12, 11, 1, 0),
604 
605 SOC_ENUM("ADC OSR", adc_osr),
606 SOC_ENUM("DAC OSR", dac_osr),
607 
608 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8994_DAC1_LEFT_VOLUME,
609                  WM8994_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
610 SOC_DOUBLE_R("DAC1 Switch", WM8994_DAC1_LEFT_VOLUME,
611              WM8994_DAC1_RIGHT_VOLUME, 9, 1, 1),
612 
613 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8994_DAC2_LEFT_VOLUME,
614                  WM8994_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
615 SOC_DOUBLE_R("DAC2 Switch", WM8994_DAC2_LEFT_VOLUME,
616              WM8994_DAC2_RIGHT_VOLUME, 9, 1, 1),
617 
618 SOC_SINGLE_TLV("SPKL DAC2 Volume", WM8994_SPKMIXL_ATTENUATION,
619                6, 1, 1, wm_hubs_spkmix_tlv),
620 SOC_SINGLE_TLV("SPKL DAC1 Volume", WM8994_SPKMIXL_ATTENUATION,
621                2, 1, 1, wm_hubs_spkmix_tlv),
622 
623 SOC_SINGLE_TLV("SPKR DAC2 Volume", WM8994_SPKMIXR_ATTENUATION,
624                6, 1, 1, wm_hubs_spkmix_tlv),
625 SOC_SINGLE_TLV("SPKR DAC1 Volume", WM8994_SPKMIXR_ATTENUATION,
626                2, 1, 1, wm_hubs_spkmix_tlv),
627 
628 SOC_SINGLE_TLV("AIF1DAC1 3D Stereo Volume", WM8994_AIF1_DAC1_FILTERS_2,
629                10, 15, 0, wm8994_3d_tlv),
630 SOC_SINGLE("AIF1DAC1 3D Stereo Switch", WM8994_AIF1_DAC1_FILTERS_2,
631            8, 1, 0),
632 SOC_SINGLE_TLV("AIF1DAC2 3D Stereo Volume", WM8994_AIF1_DAC2_FILTERS_2,
633                10, 15, 0, wm8994_3d_tlv),
634 SOC_SINGLE("AIF1DAC2 3D Stereo Switch", WM8994_AIF1_DAC2_FILTERS_2,
635            8, 1, 0),
636 SOC_SINGLE_TLV("AIF2DAC 3D Stereo Volume", WM8994_AIF2_DAC_FILTERS_2,
637                10, 15, 0, wm8994_3d_tlv),
638 SOC_SINGLE("AIF2DAC 3D Stereo Switch", WM8994_AIF2_DAC_FILTERS_2,
639            8, 1, 0),
640 };
641 
642 static const struct snd_kcontrol_new wm8994_eq_controls[] = {
643 SOC_SINGLE_TLV("AIF1DAC1 EQ1 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 11, 31, 0,
644                eq_tlv),
645 SOC_SINGLE_TLV("AIF1DAC1 EQ2 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 6, 31, 0,
646                eq_tlv),
647 SOC_SINGLE_TLV("AIF1DAC1 EQ3 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 1, 31, 0,
648                eq_tlv),
649 SOC_SINGLE_TLV("AIF1DAC1 EQ4 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 11, 31, 0,
650                eq_tlv),
651 SOC_SINGLE_TLV("AIF1DAC1 EQ5 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 6, 31, 0,
652                eq_tlv),
653 
654 SOC_SINGLE_TLV("AIF1DAC2 EQ1 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 11, 31, 0,
655                eq_tlv),
656 SOC_SINGLE_TLV("AIF1DAC2 EQ2 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 6, 31, 0,
657                eq_tlv),
658 SOC_SINGLE_TLV("AIF1DAC2 EQ3 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 1, 31, 0,
659                eq_tlv),
660 SOC_SINGLE_TLV("AIF1DAC2 EQ4 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 11, 31, 0,
661                eq_tlv),
662 SOC_SINGLE_TLV("AIF1DAC2 EQ5 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 6, 31, 0,
663                eq_tlv),
664 
665 SOC_SINGLE_TLV("AIF2 EQ1 Volume", WM8994_AIF2_EQ_GAINS_1, 11, 31, 0,
666                eq_tlv),
667 SOC_SINGLE_TLV("AIF2 EQ2 Volume", WM8994_AIF2_EQ_GAINS_1, 6, 31, 0,
668                eq_tlv),
669 SOC_SINGLE_TLV("AIF2 EQ3 Volume", WM8994_AIF2_EQ_GAINS_1, 1, 31, 0,
670                eq_tlv),
671 SOC_SINGLE_TLV("AIF2 EQ4 Volume", WM8994_AIF2_EQ_GAINS_2, 11, 31, 0,
672                eq_tlv),
673 SOC_SINGLE_TLV("AIF2 EQ5 Volume", WM8994_AIF2_EQ_GAINS_2, 6, 31, 0,
674                eq_tlv),
675 };
676 
677 static const struct snd_kcontrol_new wm8994_drc_controls[] = {
678 SND_SOC_BYTES_MASK("AIF1.1 DRC", WM8994_AIF1_DRC1_1, 5,
679                    WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
680                    WM8994_AIF1ADC1R_DRC_ENA),
681 SND_SOC_BYTES_MASK("AIF1.2 DRC", WM8994_AIF1_DRC2_1, 5,
682                    WM8994_AIF1DAC2_DRC_ENA | WM8994_AIF1ADC2L_DRC_ENA |
683                    WM8994_AIF1ADC2R_DRC_ENA),
684 SND_SOC_BYTES_MASK("AIF2 DRC", WM8994_AIF2_DRC_1, 5,
685                    WM8994_AIF2DAC_DRC_ENA | WM8994_AIF2ADCL_DRC_ENA |
686                    WM8994_AIF2ADCR_DRC_ENA),
687 };
688 
689 static const char *wm8958_ng_text[] = {
690         "30ms", "125ms", "250ms", "500ms",
691 };
692 
693 static const struct soc_enum wm8958_aif1dac1_ng_hold =
694         SOC_ENUM_SINGLE(WM8958_AIF1_DAC1_NOISE_GATE,
695                         WM8958_AIF1DAC1_NG_THR_SHIFT, 4, wm8958_ng_text);
696 
697 static const struct soc_enum wm8958_aif1dac2_ng_hold =
698         SOC_ENUM_SINGLE(WM8958_AIF1_DAC2_NOISE_GATE,
699                         WM8958_AIF1DAC2_NG_THR_SHIFT, 4, wm8958_ng_text);
700 
701 static const struct soc_enum wm8958_aif2dac_ng_hold =
702         SOC_ENUM_SINGLE(WM8958_AIF2_DAC_NOISE_GATE,
703                         WM8958_AIF2DAC_NG_THR_SHIFT, 4, wm8958_ng_text);
704 
705 static const struct snd_kcontrol_new wm8958_snd_controls[] = {
706 SOC_SINGLE_TLV("AIF3 Boost Volume", WM8958_AIF3_CONTROL_2, 10, 3, 0, aif_tlv),
707 
708 SOC_SINGLE("AIF1DAC1 Noise Gate Switch", WM8958_AIF1_DAC1_NOISE_GATE,
709            WM8958_AIF1DAC1_NG_ENA_SHIFT, 1, 0),
710 SOC_ENUM("AIF1DAC1 Noise Gate Hold Time", wm8958_aif1dac1_ng_hold),
711 SOC_SINGLE_TLV("AIF1DAC1 Noise Gate Threshold Volume",
712                WM8958_AIF1_DAC1_NOISE_GATE, WM8958_AIF1DAC1_NG_THR_SHIFT,
713                7, 1, ng_tlv),
714 
715 SOC_SINGLE("AIF1DAC2 Noise Gate Switch", WM8958_AIF1_DAC2_NOISE_GATE,
716            WM8958_AIF1DAC2_NG_ENA_SHIFT, 1, 0),
717 SOC_ENUM("AIF1DAC2 Noise Gate Hold Time", wm8958_aif1dac2_ng_hold),
718 SOC_SINGLE_TLV("AIF1DAC2 Noise Gate Threshold Volume",
719                WM8958_AIF1_DAC2_NOISE_GATE, WM8958_AIF1DAC2_NG_THR_SHIFT,
720                7, 1, ng_tlv),
721 
722 SOC_SINGLE("AIF2DAC Noise Gate Switch", WM8958_AIF2_DAC_NOISE_GATE,
723            WM8958_AIF2DAC_NG_ENA_SHIFT, 1, 0),
724 SOC_ENUM("AIF2DAC Noise Gate Hold Time", wm8958_aif2dac_ng_hold),
725 SOC_SINGLE_TLV("AIF2DAC Noise Gate Threshold Volume",
726                WM8958_AIF2_DAC_NOISE_GATE, WM8958_AIF2DAC_NG_THR_SHIFT,
727                7, 1, ng_tlv),
728 };
729 
730 static const struct snd_kcontrol_new wm1811_snd_controls[] = {
731 SOC_SINGLE_TLV("MIXINL IN1LP Boost Volume", WM8994_INPUT_MIXER_1, 7, 1, 0,
732                mixin_boost_tlv),
733 SOC_SINGLE_TLV("MIXINL IN1RP Boost Volume", WM8994_INPUT_MIXER_1, 8, 1, 0,
734                mixin_boost_tlv),
735 };
736 
737 /* We run all mode setting through a function to enforce audio mode */
738 static void wm1811_jackdet_set_mode(struct snd_soc_codec *codec, u16 mode)
739 {
740         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
741 
742         if (!wm8994->jackdet || !wm8994->micdet[0].jack)
743                 return;
744 
745         if (wm8994->active_refcount)
746                 mode = WM1811_JACKDET_MODE_AUDIO;
747 
748         if (mode == wm8994->jackdet_mode)
749                 return;
750 
751         wm8994->jackdet_mode = mode;
752 
753         /* Always use audio mode to detect while the system is active */
754         if (mode != WM1811_JACKDET_MODE_NONE)
755                 mode = WM1811_JACKDET_MODE_AUDIO;
756 
757         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
758                             WM1811_JACKDET_MODE_MASK, mode);
759 }
760 
761 static void active_reference(struct snd_soc_codec *codec)
762 {
763         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
764 
765         mutex_lock(&wm8994->accdet_lock);
766 
767         wm8994->active_refcount++;
768 
769         dev_dbg(codec->dev, "Active refcount incremented, now %d\n",
770                 wm8994->active_refcount);
771 
772         /* If we're using jack detection go into audio mode */
773         wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_AUDIO);
774 
775         mutex_unlock(&wm8994->accdet_lock);
776 }
777 
778 static void active_dereference(struct snd_soc_codec *codec)
779 {
780         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
781         u16 mode;
782 
783         mutex_lock(&wm8994->accdet_lock);
784 
785         wm8994->active_refcount--;
786 
787         dev_dbg(codec->dev, "Active refcount decremented, now %d\n",
788                 wm8994->active_refcount);
789 
790         if (wm8994->active_refcount == 0) {
791                 /* Go into appropriate detection only mode */
792                 if (wm8994->jack_mic || wm8994->mic_detecting)
793                         mode = WM1811_JACKDET_MODE_MIC;
794                 else
795                         mode = WM1811_JACKDET_MODE_JACK;
796 
797                 wm1811_jackdet_set_mode(codec, mode);
798         }
799 
800         mutex_unlock(&wm8994->accdet_lock);
801 }
802 
803 static int clk_sys_event(struct snd_soc_dapm_widget *w,
804                          struct snd_kcontrol *kcontrol, int event)
805 {
806         struct snd_soc_codec *codec = w->codec;
807         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
808 
809         switch (event) {
810         case SND_SOC_DAPM_PRE_PMU:
811                 return configure_clock(codec);
812 
813         case SND_SOC_DAPM_POST_PMU:
814                 /*
815                  * JACKDET won't run until we start the clock and it
816                  * only reports deltas, make sure we notify the state
817                  * up the stack on startup.  Use a *very* generous
818                  * timeout for paranoia, there's no urgency and we
819                  * don't want false reports.
820                  */
821                 if (wm8994->jackdet && !wm8994->clk_has_run) {
822                         schedule_delayed_work(&wm8994->jackdet_bootstrap,
823                                               msecs_to_jiffies(1000));
824                         wm8994->clk_has_run = true;
825                 }
826                 break;
827 
828         case SND_SOC_DAPM_POST_PMD:
829                 configure_clock(codec);
830                 break;
831         }
832 
833         return 0;
834 }
835 
836 static void vmid_reference(struct snd_soc_codec *codec)
837 {
838         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
839 
840         pm_runtime_get_sync(codec->dev);
841 
842         wm8994->vmid_refcount++;
843 
844         dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n",
845                 wm8994->vmid_refcount);
846 
847         if (wm8994->vmid_refcount == 1) {
848                 snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
849                                     WM8994_LINEOUT1_DISCH |
850                                     WM8994_LINEOUT2_DISCH, 0);
851 
852                 wm_hubs_vmid_ena(codec);
853 
854                 switch (wm8994->vmid_mode) {
855                 default:
856                         WARN_ON(NULL == "Invalid VMID mode");
857                 case WM8994_VMID_NORMAL:
858                         /* Startup bias, VMID ramp & buffer */
859                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
860                                             WM8994_BIAS_SRC |
861                                             WM8994_VMID_DISCH |
862                                             WM8994_STARTUP_BIAS_ENA |
863                                             WM8994_VMID_BUF_ENA |
864                                             WM8994_VMID_RAMP_MASK,
865                                             WM8994_BIAS_SRC |
866                                             WM8994_STARTUP_BIAS_ENA |
867                                             WM8994_VMID_BUF_ENA |
868                                             (0x2 << WM8994_VMID_RAMP_SHIFT));
869 
870                         /* Main bias enable, VMID=2x40k */
871                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
872                                             WM8994_BIAS_ENA |
873                                             WM8994_VMID_SEL_MASK,
874                                             WM8994_BIAS_ENA | 0x2);
875 
876                         msleep(300);
877 
878                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
879                                             WM8994_VMID_RAMP_MASK |
880                                             WM8994_BIAS_SRC,
881                                             0);
882                         break;
883 
884                 case WM8994_VMID_FORCE:
885                         /* Startup bias, slow VMID ramp & buffer */
886                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
887                                             WM8994_BIAS_SRC |
888                                             WM8994_VMID_DISCH |
889                                             WM8994_STARTUP_BIAS_ENA |
890                                             WM8994_VMID_BUF_ENA |
891                                             WM8994_VMID_RAMP_MASK,
892                                             WM8994_BIAS_SRC |
893                                             WM8994_STARTUP_BIAS_ENA |
894                                             WM8994_VMID_BUF_ENA |
895                                             (0x2 << WM8994_VMID_RAMP_SHIFT));
896 
897                         /* Main bias enable, VMID=2x40k */
898                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
899                                             WM8994_BIAS_ENA |
900                                             WM8994_VMID_SEL_MASK,
901                                             WM8994_BIAS_ENA | 0x2);
902 
903                         msleep(400);
904 
905                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
906                                             WM8994_VMID_RAMP_MASK |
907                                             WM8994_BIAS_SRC,
908                                             0);
909                         break;
910                 }
911         }
912 }
913 
914 static void vmid_dereference(struct snd_soc_codec *codec)
915 {
916         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
917 
918         wm8994->vmid_refcount--;
919 
920         dev_dbg(codec->dev, "Dereferencing VMID, refcount is now %d\n",
921                 wm8994->vmid_refcount);
922 
923         if (wm8994->vmid_refcount == 0) {
924                 if (wm8994->hubs.lineout1_se)
925                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
926                                             WM8994_LINEOUT1N_ENA |
927                                             WM8994_LINEOUT1P_ENA,
928                                             WM8994_LINEOUT1N_ENA |
929                                             WM8994_LINEOUT1P_ENA);
930 
931                 if (wm8994->hubs.lineout2_se)
932                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
933                                             WM8994_LINEOUT2N_ENA |
934                                             WM8994_LINEOUT2P_ENA,
935                                             WM8994_LINEOUT2N_ENA |
936                                             WM8994_LINEOUT2P_ENA);
937 
938                 /* Start discharging VMID */
939                 snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
940                                     WM8994_BIAS_SRC |
941                                     WM8994_VMID_DISCH,
942                                     WM8994_BIAS_SRC |
943                                     WM8994_VMID_DISCH);
944 
945                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
946                                     WM8994_VMID_SEL_MASK, 0);
947 
948                 msleep(400);
949 
950                 /* Active discharge */
951                 snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
952                                     WM8994_LINEOUT1_DISCH |
953                                     WM8994_LINEOUT2_DISCH,
954                                     WM8994_LINEOUT1_DISCH |
955                                     WM8994_LINEOUT2_DISCH);
956 
957                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
958                                     WM8994_LINEOUT1N_ENA |
959                                     WM8994_LINEOUT1P_ENA |
960                                     WM8994_LINEOUT2N_ENA |
961                                     WM8994_LINEOUT2P_ENA, 0);
962 
963                 /* Switch off startup biases */
964                 snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
965                                     WM8994_BIAS_SRC |
966                                     WM8994_STARTUP_BIAS_ENA |
967                                     WM8994_VMID_BUF_ENA |
968                                     WM8994_VMID_RAMP_MASK, 0);
969 
970                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
971                                     WM8994_VMID_SEL_MASK, 0);
972         }
973 
974         pm_runtime_put(codec->dev);
975 }
976 
977 static int vmid_event(struct snd_soc_dapm_widget *w,
978                       struct snd_kcontrol *kcontrol, int event)
979 {
980         struct snd_soc_codec *codec = w->codec;
981 
982         switch (event) {
983         case SND_SOC_DAPM_PRE_PMU:
984                 vmid_reference(codec);
985                 break;
986 
987         case SND_SOC_DAPM_POST_PMD:
988                 vmid_dereference(codec);
989                 break;
990         }
991 
992         return 0;
993 }
994 
995 static bool wm8994_check_class_w_digital(struct snd_soc_codec *codec)
996 {
997         int source = 0;  /* GCC flow analysis can't track enable */
998         int reg, reg_r;
999 
1000         /* We also need the same AIF source for L/R and only one path */
1001         reg = snd_soc_read(codec, WM8994_DAC1_LEFT_MIXER_ROUTING);
1002         switch (reg) {
1003         case WM8994_AIF2DACL_TO_DAC1L:
1004                 dev_vdbg(codec->dev, "Class W source AIF2DAC\n");
1005                 source = 2 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1006                 break;
1007         case WM8994_AIF1DAC2L_TO_DAC1L:
1008                 dev_vdbg(codec->dev, "Class W source AIF1DAC2\n");
1009                 source = 1 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1010                 break;
1011         case WM8994_AIF1DAC1L_TO_DAC1L:
1012                 dev_vdbg(codec->dev, "Class W source AIF1DAC1\n");
1013                 source = 0 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1014                 break;
1015         default:
1016                 dev_vdbg(codec->dev, "DAC mixer setting: %x\n", reg);
1017                 return false;
1018         }
1019 
1020         reg_r = snd_soc_read(codec, WM8994_DAC1_RIGHT_MIXER_ROUTING);
1021         if (reg_r != reg) {
1022                 dev_vdbg(codec->dev, "Left and right DAC mixers different\n");
1023                 return false;
1024         }
1025 
1026         /* Set the source up */
1027         snd_soc_update_bits(codec, WM8994_CLASS_W_1,
1028                             WM8994_CP_DYN_SRC_SEL_MASK, source);
1029 
1030         return true;
1031 }
1032 
1033 static int aif1clk_ev(struct snd_soc_dapm_widget *w,
1034                       struct snd_kcontrol *kcontrol, int event)
1035 {
1036         struct snd_soc_codec *codec = w->codec;
1037         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1038         struct wm8994 *control = wm8994->wm8994;
1039         int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
1040         int i;
1041         int dac;
1042         int adc;
1043         int val;
1044 
1045         switch (control->type) {
1046         case WM8994:
1047         case WM8958:
1048                 mask |= WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA;
1049                 break;
1050         default:
1051                 break;
1052         }
1053 
1054         switch (event) {
1055         case SND_SOC_DAPM_PRE_PMU:
1056                 /* Don't enable timeslot 2 if not in use */
1057                 if (wm8994->channels[0] <= 2)
1058                         mask &= ~(WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
1059 
1060                 val = snd_soc_read(codec, WM8994_AIF1_CONTROL_1);
1061                 if ((val & WM8994_AIF1ADCL_SRC) &&
1062                     (val & WM8994_AIF1ADCR_SRC))
1063                         adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA;
1064                 else if (!(val & WM8994_AIF1ADCL_SRC) &&
1065                          !(val & WM8994_AIF1ADCR_SRC))
1066                         adc = WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1067                 else
1068                         adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA |
1069                                 WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1070 
1071                 val = snd_soc_read(codec, WM8994_AIF1_CONTROL_2);
1072                 if ((val & WM8994_AIF1DACL_SRC) &&
1073                     (val & WM8994_AIF1DACR_SRC))
1074                         dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA;
1075                 else if (!(val & WM8994_AIF1DACL_SRC) &&
1076                          !(val & WM8994_AIF1DACR_SRC))
1077                         dac = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1078                 else
1079                         dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA |
1080                                 WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1081 
1082                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1083                                     mask, adc);
1084                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1085                                     mask, dac);
1086                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1087                                     WM8994_AIF1DSPCLK_ENA |
1088                                     WM8994_SYSDSPCLK_ENA,
1089                                     WM8994_AIF1DSPCLK_ENA |
1090                                     WM8994_SYSDSPCLK_ENA);
1091                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4, mask,
1092                                     WM8994_AIF1ADC1R_ENA |
1093                                     WM8994_AIF1ADC1L_ENA |
1094                                     WM8994_AIF1ADC2R_ENA |
1095                                     WM8994_AIF1ADC2L_ENA);
1096                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5, mask,
1097                                     WM8994_AIF1DAC1R_ENA |
1098                                     WM8994_AIF1DAC1L_ENA |
1099                                     WM8994_AIF1DAC2R_ENA |
1100                                     WM8994_AIF1DAC2L_ENA);
1101                 break;
1102 
1103         case SND_SOC_DAPM_POST_PMU:
1104                 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1105                         snd_soc_write(codec, wm8994_vu_bits[i].reg,
1106                                       snd_soc_read(codec,
1107                                                    wm8994_vu_bits[i].reg));
1108                 break;
1109 
1110         case SND_SOC_DAPM_PRE_PMD:
1111         case SND_SOC_DAPM_POST_PMD:
1112                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1113                                     mask, 0);
1114                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1115                                     mask, 0);
1116 
1117                 val = snd_soc_read(codec, WM8994_CLOCKING_1);
1118                 if (val & WM8994_AIF2DSPCLK_ENA)
1119                         val = WM8994_SYSDSPCLK_ENA;
1120                 else
1121                         val = 0;
1122                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1123                                     WM8994_SYSDSPCLK_ENA |
1124                                     WM8994_AIF1DSPCLK_ENA, val);
1125                 break;
1126         }
1127 
1128         return 0;
1129 }
1130 
1131 static int aif2clk_ev(struct snd_soc_dapm_widget *w,
1132                       struct snd_kcontrol *kcontrol, int event)
1133 {
1134         struct snd_soc_codec *codec = w->codec;
1135         int i;
1136         int dac;
1137         int adc;
1138         int val;
1139 
1140         switch (event) {
1141         case SND_SOC_DAPM_PRE_PMU:
1142                 val = snd_soc_read(codec, WM8994_AIF2_CONTROL_1);
1143                 if ((val & WM8994_AIF2ADCL_SRC) &&
1144                     (val & WM8994_AIF2ADCR_SRC))
1145                         adc = WM8994_AIF2ADCR_ENA;
1146                 else if (!(val & WM8994_AIF2ADCL_SRC) &&
1147                          !(val & WM8994_AIF2ADCR_SRC))
1148                         adc = WM8994_AIF2ADCL_ENA;
1149                 else
1150                         adc = WM8994_AIF2ADCL_ENA | WM8994_AIF2ADCR_ENA;
1151 
1152 
1153                 val = snd_soc_read(codec, WM8994_AIF2_CONTROL_2);
1154                 if ((val & WM8994_AIF2DACL_SRC) &&
1155                     (val & WM8994_AIF2DACR_SRC))
1156                         dac = WM8994_AIF2DACR_ENA;
1157                 else if (!(val & WM8994_AIF2DACL_SRC) &&
1158                          !(val & WM8994_AIF2DACR_SRC))
1159                         dac = WM8994_AIF2DACL_ENA;
1160                 else
1161                         dac = WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA;
1162 
1163                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1164                                     WM8994_AIF2ADCL_ENA |
1165                                     WM8994_AIF2ADCR_ENA, adc);
1166                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1167                                     WM8994_AIF2DACL_ENA |
1168                                     WM8994_AIF2DACR_ENA, dac);
1169                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1170                                     WM8994_AIF2DSPCLK_ENA |
1171                                     WM8994_SYSDSPCLK_ENA,
1172                                     WM8994_AIF2DSPCLK_ENA |
1173                                     WM8994_SYSDSPCLK_ENA);
1174                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1175                                     WM8994_AIF2ADCL_ENA |
1176                                     WM8994_AIF2ADCR_ENA,
1177                                     WM8994_AIF2ADCL_ENA |
1178                                     WM8994_AIF2ADCR_ENA);
1179                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1180                                     WM8994_AIF2DACL_ENA |
1181                                     WM8994_AIF2DACR_ENA,
1182                                     WM8994_AIF2DACL_ENA |
1183                                     WM8994_AIF2DACR_ENA);
1184                 break;
1185 
1186         case SND_SOC_DAPM_POST_PMU:
1187                 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1188                         snd_soc_write(codec, wm8994_vu_bits[i].reg,
1189                                       snd_soc_read(codec,
1190                                                    wm8994_vu_bits[i].reg));
1191                 break;
1192 
1193         case SND_SOC_DAPM_PRE_PMD:
1194         case SND_SOC_DAPM_POST_PMD:
1195                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1196                                     WM8994_AIF2DACL_ENA |
1197                                     WM8994_AIF2DACR_ENA, 0);
1198                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1199                                     WM8994_AIF2ADCL_ENA |
1200                                     WM8994_AIF2ADCR_ENA, 0);
1201 
1202                 val = snd_soc_read(codec, WM8994_CLOCKING_1);
1203                 if (val & WM8994_AIF1DSPCLK_ENA)
1204                         val = WM8994_SYSDSPCLK_ENA;
1205                 else
1206                         val = 0;
1207                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1208                                     WM8994_SYSDSPCLK_ENA |
1209                                     WM8994_AIF2DSPCLK_ENA, val);
1210                 break;
1211         }
1212 
1213         return 0;
1214 }
1215 
1216 static int aif1clk_late_ev(struct snd_soc_dapm_widget *w,
1217                            struct snd_kcontrol *kcontrol, int event)
1218 {
1219         struct snd_soc_codec *codec = w->codec;
1220         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1221 
1222         switch (event) {
1223         case SND_SOC_DAPM_PRE_PMU:
1224                 wm8994->aif1clk_enable = 1;
1225                 break;
1226         case SND_SOC_DAPM_POST_PMD:
1227                 wm8994->aif1clk_disable = 1;
1228                 break;
1229         }
1230 
1231         return 0;
1232 }
1233 
1234 static int aif2clk_late_ev(struct snd_soc_dapm_widget *w,
1235                            struct snd_kcontrol *kcontrol, int event)
1236 {
1237         struct snd_soc_codec *codec = w->codec;
1238         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1239 
1240         switch (event) {
1241         case SND_SOC_DAPM_PRE_PMU:
1242                 wm8994->aif2clk_enable = 1;
1243                 break;
1244         case SND_SOC_DAPM_POST_PMD:
1245                 wm8994->aif2clk_disable = 1;
1246                 break;
1247         }
1248 
1249         return 0;
1250 }
1251 
1252 static int late_enable_ev(struct snd_soc_dapm_widget *w,
1253                           struct snd_kcontrol *kcontrol, int event)
1254 {
1255         struct snd_soc_codec *codec = w->codec;
1256         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1257 
1258         switch (event) {
1259         case SND_SOC_DAPM_PRE_PMU:
1260                 if (wm8994->aif1clk_enable) {
1261                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1262                         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1263                                             WM8994_AIF1CLK_ENA_MASK,
1264                                             WM8994_AIF1CLK_ENA);
1265                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1266                         wm8994->aif1clk_enable = 0;
1267                 }
1268                 if (wm8994->aif2clk_enable) {
1269                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1270                         snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1271                                             WM8994_AIF2CLK_ENA_MASK,
1272                                             WM8994_AIF2CLK_ENA);
1273                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1274                         wm8994->aif2clk_enable = 0;
1275                 }
1276                 break;
1277         }
1278 
1279         /* We may also have postponed startup of DSP, handle that. */
1280         wm8958_aif_ev(w, kcontrol, event);
1281 
1282         return 0;
1283 }
1284 
1285 static int late_disable_ev(struct snd_soc_dapm_widget *w,
1286                            struct snd_kcontrol *kcontrol, int event)
1287 {
1288         struct snd_soc_codec *codec = w->codec;
1289         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1290 
1291         switch (event) {
1292         case SND_SOC_DAPM_POST_PMD:
1293                 if (wm8994->aif1clk_disable) {
1294                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1295                         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1296                                             WM8994_AIF1CLK_ENA_MASK, 0);
1297                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1298                         wm8994->aif1clk_disable = 0;
1299                 }
1300                 if (wm8994->aif2clk_disable) {
1301                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1302                         snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1303                                             WM8994_AIF2CLK_ENA_MASK, 0);
1304                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1305                         wm8994->aif2clk_disable = 0;
1306                 }
1307                 break;
1308         }
1309 
1310         return 0;
1311 }
1312 
1313 static int adc_mux_ev(struct snd_soc_dapm_widget *w,
1314                       struct snd_kcontrol *kcontrol, int event)
1315 {
1316         late_enable_ev(w, kcontrol, event);
1317         return 0;
1318 }
1319 
1320 static int micbias_ev(struct snd_soc_dapm_widget *w,
1321                       struct snd_kcontrol *kcontrol, int event)
1322 {
1323         late_enable_ev(w, kcontrol, event);
1324         return 0;
1325 }
1326 
1327 static int dac_ev(struct snd_soc_dapm_widget *w,
1328                   struct snd_kcontrol *kcontrol, int event)
1329 {
1330         struct snd_soc_codec *codec = w->codec;
1331         unsigned int mask = 1 << w->shift;
1332 
1333         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1334                             mask, mask);
1335         return 0;
1336 }
1337 
1338 static const char *adc_mux_text[] = {
1339         "ADC",
1340         "DMIC",
1341 };
1342 
1343 static const struct soc_enum adc_enum =
1344         SOC_ENUM_SINGLE(0, 0, 2, adc_mux_text);
1345 
1346 static const struct snd_kcontrol_new adcl_mux =
1347         SOC_DAPM_ENUM_VIRT("ADCL Mux", adc_enum);
1348 
1349 static const struct snd_kcontrol_new adcr_mux =
1350         SOC_DAPM_ENUM_VIRT("ADCR Mux", adc_enum);
1351 
1352 static const struct snd_kcontrol_new left_speaker_mixer[] = {
1353 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 9, 1, 0),
1354 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 7, 1, 0),
1355 SOC_DAPM_SINGLE("IN1LP Switch", WM8994_SPEAKER_MIXER, 5, 1, 0),
1356 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 3, 1, 0),
1357 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 1, 1, 0),
1358 };
1359 
1360 static const struct snd_kcontrol_new right_speaker_mixer[] = {
1361 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 8, 1, 0),
1362 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 6, 1, 0),
1363 SOC_DAPM_SINGLE("IN1RP Switch", WM8994_SPEAKER_MIXER, 4, 1, 0),
1364 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 2, 1, 0),
1365 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 0, 1, 0),
1366 };
1367 
1368 /* Debugging; dump chip status after DAPM transitions */
1369 static int post_ev(struct snd_soc_dapm_widget *w,
1370             struct snd_kcontrol *kcontrol, int event)
1371 {
1372         struct snd_soc_codec *codec = w->codec;
1373         dev_dbg(codec->dev, "SRC status: %x\n",
1374                 snd_soc_read(codec,
1375                              WM8994_RATE_STATUS));
1376         return 0;
1377 }
1378 
1379 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
1380 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1381                 1, 1, 0),
1382 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1383                 0, 1, 0),
1384 };
1385 
1386 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
1387 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1388                 1, 1, 0),
1389 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1390                 0, 1, 0),
1391 };
1392 
1393 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
1394 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1395                 1, 1, 0),
1396 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1397                 0, 1, 0),
1398 };
1399 
1400 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
1401 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1402                 1, 1, 0),
1403 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1404                 0, 1, 0),
1405 };
1406 
1407 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
1408 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1409                 5, 1, 0),
1410 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1411                 4, 1, 0),
1412 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1413                 2, 1, 0),
1414 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1415                 1, 1, 0),
1416 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1417                 0, 1, 0),
1418 };
1419 
1420 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
1421 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1422                 5, 1, 0),
1423 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1424                 4, 1, 0),
1425 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1426                 2, 1, 0),
1427 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1428                 1, 1, 0),
1429 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1430                 0, 1, 0),
1431 };
1432 
1433 #define WM8994_CLASS_W_SWITCH(xname, reg, shift, max, invert) \
1434         SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
1435                 snd_soc_get_volsw, wm8994_put_class_w)
1436 
1437 static int wm8994_put_class_w(struct snd_kcontrol *kcontrol,
1438                               struct snd_ctl_elem_value *ucontrol)
1439 {
1440         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
1441         struct snd_soc_dapm_widget *w = wlist->widgets[0];
1442         struct snd_soc_codec *codec = w->codec;
1443         int ret;
1444 
1445         ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
1446 
1447         wm_hubs_update_class_w(codec);
1448 
1449         return ret;
1450 }
1451 
1452 static const struct snd_kcontrol_new dac1l_mix[] = {
1453 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1454                       5, 1, 0),
1455 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1456                       4, 1, 0),
1457 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1458                       2, 1, 0),
1459 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1460                       1, 1, 0),
1461 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1462                       0, 1, 0),
1463 };
1464 
1465 static const struct snd_kcontrol_new dac1r_mix[] = {
1466 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1467                       5, 1, 0),
1468 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1469                       4, 1, 0),
1470 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1471                       2, 1, 0),
1472 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1473                       1, 1, 0),
1474 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1475                       0, 1, 0),
1476 };
1477 
1478 static const char *sidetone_text[] = {
1479         "ADC/DMIC1", "DMIC2",
1480 };
1481 
1482 static const struct soc_enum sidetone1_enum =
1483         SOC_ENUM_SINGLE(WM8994_SIDETONE, 0, 2, sidetone_text);
1484 
1485 static const struct snd_kcontrol_new sidetone1_mux =
1486         SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
1487 
1488 static const struct soc_enum sidetone2_enum =
1489         SOC_ENUM_SINGLE(WM8994_SIDETONE, 1, 2, sidetone_text);
1490 
1491 static const struct snd_kcontrol_new sidetone2_mux =
1492         SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
1493 
1494 static const char *aif1dac_text[] = {
1495         "AIF1DACDAT", "AIF3DACDAT",
1496 };
1497 
1498 static const char *loopback_text[] = {
1499         "None", "ADCDAT",
1500 };
1501 
1502 static const struct soc_enum aif1_loopback_enum =
1503         SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, WM8994_AIF1_LOOPBACK_SHIFT, 2,
1504                         loopback_text);
1505 
1506 static const struct snd_kcontrol_new aif1_loopback =
1507         SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum);
1508 
1509 static const struct soc_enum aif2_loopback_enum =
1510         SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, WM8994_AIF2_LOOPBACK_SHIFT, 2,
1511                         loopback_text);
1512 
1513 static const struct snd_kcontrol_new aif2_loopback =
1514         SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum);
1515 
1516 static const struct soc_enum aif1dac_enum =
1517         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 0, 2, aif1dac_text);
1518 
1519 static const struct snd_kcontrol_new aif1dac_mux =
1520         SOC_DAPM_ENUM("AIF1DAC Mux", aif1dac_enum);
1521 
1522 static const char *aif2dac_text[] = {
1523         "AIF2DACDAT", "AIF3DACDAT",
1524 };
1525 
1526 static const struct soc_enum aif2dac_enum =
1527         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 1, 2, aif2dac_text);
1528 
1529 static const struct snd_kcontrol_new aif2dac_mux =
1530         SOC_DAPM_ENUM("AIF2DAC Mux", aif2dac_enum);
1531 
1532 static const char *aif2adc_text[] = {
1533         "AIF2ADCDAT", "AIF3DACDAT",
1534 };
1535 
1536 static const struct soc_enum aif2adc_enum =
1537         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 2, 2, aif2adc_text);
1538 
1539 static const struct snd_kcontrol_new aif2adc_mux =
1540         SOC_DAPM_ENUM("AIF2ADC Mux", aif2adc_enum);
1541 
1542 static const char *aif3adc_text[] = {
1543         "AIF1ADCDAT", "AIF2ADCDAT", "AIF2DACDAT", "Mono PCM",
1544 };
1545 
1546 static const struct soc_enum wm8994_aif3adc_enum =
1547         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 3, 3, aif3adc_text);
1548 
1549 static const struct snd_kcontrol_new wm8994_aif3adc_mux =
1550         SOC_DAPM_ENUM("AIF3ADC Mux", wm8994_aif3adc_enum);
1551 
1552 static const struct soc_enum wm8958_aif3adc_enum =
1553         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 3, 4, aif3adc_text);
1554 
1555 static const struct snd_kcontrol_new wm8958_aif3adc_mux =
1556         SOC_DAPM_ENUM("AIF3ADC Mux", wm8958_aif3adc_enum);
1557 
1558 static const char *mono_pcm_out_text[] = {
1559         "None", "AIF2ADCL", "AIF2ADCR",
1560 };
1561 
1562 static const struct soc_enum mono_pcm_out_enum =
1563         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 9, 3, mono_pcm_out_text);
1564 
1565 static const struct snd_kcontrol_new mono_pcm_out_mux =
1566         SOC_DAPM_ENUM("Mono PCM Out Mux", mono_pcm_out_enum);
1567 
1568 static const char *aif2dac_src_text[] = {
1569         "AIF2", "AIF3",
1570 };
1571 
1572 /* Note that these two control shouldn't be simultaneously switched to AIF3 */
1573 static const struct soc_enum aif2dacl_src_enum =
1574         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 7, 2, aif2dac_src_text);
1575 
1576 static const struct snd_kcontrol_new aif2dacl_src_mux =
1577         SOC_DAPM_ENUM("AIF2DACL Mux", aif2dacl_src_enum);
1578 
1579 static const struct soc_enum aif2dacr_src_enum =
1580         SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 8, 2, aif2dac_src_text);
1581 
1582 static const struct snd_kcontrol_new aif2dacr_src_mux =
1583         SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
1584 
1585 static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
1586 SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_late_ev,
1587         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1588 SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_late_ev,
1589         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1590 
1591 SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1592         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1593 SND_SOC_DAPM_PGA_E("Late DAC1R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1594         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1595 SND_SOC_DAPM_PGA_E("Late DAC2L 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 DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1598         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1599 SND_SOC_DAPM_PGA_E("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0,
1600         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1601 
1602 SND_SOC_DAPM_MIXER_E("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1603                      left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer),
1604                      late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1605 SND_SOC_DAPM_MIXER_E("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1606                      right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer),
1607                      late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1608 SND_SOC_DAPM_MUX_E("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux,
1609                    late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1610 SND_SOC_DAPM_MUX_E("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux,
1611                    late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1612 
1613 SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
1614 };
1615 
1616 static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
1617 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, aif1clk_ev,
1618                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1619                     SND_SOC_DAPM_PRE_PMD),
1620 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, aif2clk_ev,
1621                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1622                     SND_SOC_DAPM_PRE_PMD),
1623 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
1624 SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1625                    left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
1626 SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1627                    right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
1628 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux),
1629 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux),
1630 };
1631 
1632 static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
1633 SND_SOC_DAPM_DAC_E("DAC2L", NULL, SND_SOC_NOPM, 3, 0,
1634         dac_ev, SND_SOC_DAPM_PRE_PMU),
1635 SND_SOC_DAPM_DAC_E("DAC2R", NULL, SND_SOC_NOPM, 2, 0,
1636         dac_ev, SND_SOC_DAPM_PRE_PMU),
1637 SND_SOC_DAPM_DAC_E("DAC1L", NULL, SND_SOC_NOPM, 1, 0,
1638         dac_ev, SND_SOC_DAPM_PRE_PMU),
1639 SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0,
1640         dac_ev, SND_SOC_DAPM_PRE_PMU),
1641 };
1642 
1643 static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = {
1644 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
1645 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
1646 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
1647 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
1648 };
1649 
1650 static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = {
1651 SND_SOC_DAPM_VIRT_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
1652                         adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1653 SND_SOC_DAPM_VIRT_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
1654                         adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1655 };
1656 
1657 static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = {
1658 SND_SOC_DAPM_VIRT_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
1659 SND_SOC_DAPM_VIRT_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
1660 };
1661 
1662 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
1663 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1664 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1665 SND_SOC_DAPM_INPUT("Clock"),
1666 
1667 SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
1668                       SND_SOC_DAPM_PRE_PMU),
1669 SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, vmid_event,
1670                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1671 
1672 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
1673                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1674                     SND_SOC_DAPM_PRE_PMD),
1675 
1676 SND_SOC_DAPM_SUPPLY("DSP1CLK", SND_SOC_NOPM, 3, 0, NULL, 0),
1677 SND_SOC_DAPM_SUPPLY("DSP2CLK", SND_SOC_NOPM, 2, 0, NULL, 0),
1678 SND_SOC_DAPM_SUPPLY("DSPINTCLK", SND_SOC_NOPM, 1, 0, NULL, 0),
1679 
1680 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
1681                      0, SND_SOC_NOPM, 9, 0),
1682 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
1683                      0, SND_SOC_NOPM, 8, 0),
1684 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
1685                       SND_SOC_NOPM, 9, 0, wm8958_aif_ev,
1686                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1687 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1R", NULL, 0,
1688                       SND_SOC_NOPM, 8, 0, wm8958_aif_ev,
1689                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1690 
1691 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
1692                      0, SND_SOC_NOPM, 11, 0),
1693 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
1694                      0, SND_SOC_NOPM, 10, 0),
1695 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
1696                       SND_SOC_NOPM, 11, 0, wm8958_aif_ev,
1697                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1698 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2R", NULL, 0,
1699                       SND_SOC_NOPM, 10, 0, wm8958_aif_ev,
1700                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1701 
1702 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
1703                    aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
1704 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
1705                    aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
1706 
1707 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
1708                    aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
1709 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
1710                    aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
1711 
1712 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1713                    aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
1714 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1715                    aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
1716 
1717 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1718 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1719 
1720 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1721                    dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1722 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1723                    dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1724 
1725 SND_SOC_DAPM_AIF_OUT("AIF2ADCL", NULL, 0,
1726                      SND_SOC_NOPM, 13, 0),
1727 SND_SOC_DAPM_AIF_OUT("AIF2ADCR", NULL, 0,
1728                      SND_SOC_NOPM, 12, 0),
1729 SND_SOC_DAPM_AIF_IN_E("AIF2DACL", NULL, 0,
1730                       SND_SOC_NOPM, 13, 0, wm8958_aif_ev,
1731                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1732 SND_SOC_DAPM_AIF_IN_E("AIF2DACR", NULL, 0,
1733                       SND_SOC_NOPM, 12, 0, wm8958_aif_ev,
1734                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1735 
1736 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1737 SND_SOC_DAPM_AIF_IN("AIF2DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1738 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1739 SND_SOC_DAPM_AIF_OUT("AIF2ADCDAT",  NULL, 0, SND_SOC_NOPM, 0, 0),
1740 
1741 SND_SOC_DAPM_MUX("AIF1DAC Mux", SND_SOC_NOPM, 0, 0, &aif1dac_mux),
1742 SND_SOC_DAPM_MUX("AIF2DAC Mux", SND_SOC_NOPM, 0, 0, &aif2dac_mux),
1743 SND_SOC_DAPM_MUX("AIF2ADC Mux", SND_SOC_NOPM, 0, 0, &aif2adc_mux),
1744 
1745 SND_SOC_DAPM_AIF_IN("AIF3DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1746 SND_SOC_DAPM_AIF_OUT("AIF3ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1747 
1748 SND_SOC_DAPM_SUPPLY("TOCLK", WM8994_CLOCKING_1, 4, 0, NULL, 0),
1749 
1750 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8994_POWER_MANAGEMENT_4, 5, 0),
1751 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8994_POWER_MANAGEMENT_4, 4, 0),
1752 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8994_POWER_MANAGEMENT_4, 3, 0),
1753 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0),
1754 
1755 /* Power is done with the muxes since the ADC power also controls the
1756  * downsampling chain, the chip will automatically manage the analogue
1757  * specific portions.
1758  */
1759 SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0),
1760 SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1761 
1762 SND_SOC_DAPM_MUX("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),
1763 SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),
1764 
1765 SND_SOC_DAPM_POST("Debug log", post_ev),
1766 };
1767 
1768 static const struct snd_soc_dapm_widget wm8994_specific_dapm_widgets[] = {
1769 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8994_aif3adc_mux),
1770 };
1771 
1772 static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = {
1773 SND_SOC_DAPM_SUPPLY("AIF3", WM8994_POWER_MANAGEMENT_6, 5, 1, NULL, 0),
1774 SND_SOC_DAPM_MUX("Mono PCM Out Mux", SND_SOC_NOPM, 0, 0, &mono_pcm_out_mux),
1775 SND_SOC_DAPM_MUX("AIF2DACL Mux", SND_SOC_NOPM, 0, 0, &aif2dacl_src_mux),
1776 SND_SOC_DAPM_MUX("AIF2DACR Mux", SND_SOC_NOPM, 0, 0, &aif2dacr_src_mux),
1777 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8958_aif3adc_mux),
1778 };
1779 
1780 static const struct snd_soc_dapm_route intercon[] = {
1781         { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1782         { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1783 
1784         { "DSP1CLK", NULL, "CLK_SYS" },
1785         { "DSP2CLK", NULL, "CLK_SYS" },
1786         { "DSPINTCLK", NULL, "CLK_SYS" },
1787 
1788         { "AIF1ADC1L", NULL, "AIF1CLK" },
1789         { "AIF1ADC1L", NULL, "DSP1CLK" },
1790         { "AIF1ADC1R", NULL, "AIF1CLK" },
1791         { "AIF1ADC1R", NULL, "DSP1CLK" },
1792         { "AIF1ADC1R", NULL, "DSPINTCLK" },
1793 
1794         { "AIF1DAC1L", NULL, "AIF1CLK" },
1795         { "AIF1DAC1L", NULL, "DSP1CLK" },
1796         { "AIF1DAC1R", NULL, "AIF1CLK" },
1797         { "AIF1DAC1R", NULL, "DSP1CLK" },
1798         { "AIF1DAC1R", NULL, "DSPINTCLK" },
1799 
1800         { "AIF1ADC2L", NULL, "AIF1CLK" },
1801         { "AIF1ADC2L", NULL, "DSP1CLK" },
1802         { "AIF1ADC2R", NULL, "AIF1CLK" },
1803         { "AIF1ADC2R", NULL, "DSP1CLK" },
1804         { "AIF1ADC2R", NULL, "DSPINTCLK" },
1805 
1806         { "AIF1DAC2L", NULL, "AIF1CLK" },
1807         { "AIF1DAC2L", NULL, "DSP1CLK" },
1808         { "AIF1DAC2R", NULL, "AIF1CLK" },
1809         { "AIF1DAC2R", NULL, "DSP1CLK" },
1810         { "AIF1DAC2R", NULL, "DSPINTCLK" },
1811 
1812         { "AIF2ADCL", NULL, "AIF2CLK" },
1813         { "AIF2ADCL", NULL, "DSP2CLK" },
1814         { "AIF2ADCR", NULL, "AIF2CLK" },
1815         { "AIF2ADCR", NULL, "DSP2CLK" },
1816         { "AIF2ADCR", NULL, "DSPINTCLK" },
1817 
1818         { "AIF2DACL", NULL, "AIF2CLK" },
1819         { "AIF2DACL", NULL, "DSP2CLK" },
1820         { "AIF2DACR", NULL, "AIF2CLK" },
1821         { "AIF2DACR", NULL, "DSP2CLK" },
1822         { "AIF2DACR", NULL, "DSPINTCLK" },
1823 
1824         { "DMIC1L", NULL, "DMIC1DAT" },
1825         { "DMIC1L", NULL, "CLK_SYS" },
1826         { "DMIC1R", NULL, "DMIC1DAT" },
1827         { "DMIC1R", NULL, "CLK_SYS" },
1828         { "DMIC2L", NULL, "DMIC2DAT" },
1829         { "DMIC2L", NULL, "CLK_SYS" },
1830         { "DMIC2R", NULL, "DMIC2DAT" },
1831         { "DMIC2R", NULL, "CLK_SYS" },
1832 
1833         { "ADCL", NULL, "AIF1CLK" },
1834         { "ADCL", NULL, "DSP1CLK" },
1835         { "ADCL", NULL, "DSPINTCLK" },
1836 
1837         { "ADCR", NULL, "AIF1CLK" },
1838         { "ADCR", NULL, "DSP1CLK" },
1839         { "ADCR", NULL, "DSPINTCLK" },
1840 
1841         { "ADCL Mux", "ADC", "ADCL" },
1842         { "ADCL Mux", "DMIC", "DMIC1L" },
1843         { "ADCR Mux", "ADC", "ADCR" },
1844         { "ADCR Mux", "DMIC", "DMIC1R" },
1845 
1846         { "DAC1L", NULL, "AIF1CLK" },
1847         { "DAC1L", NULL, "DSP1CLK" },
1848         { "DAC1L", NULL, "DSPINTCLK" },
1849 
1850         { "DAC1R", NULL, "AIF1CLK" },
1851         { "DAC1R", NULL, "DSP1CLK" },
1852         { "DAC1R", NULL, "DSPINTCLK" },
1853 
1854         { "DAC2L", NULL, "AIF2CLK" },
1855         { "DAC2L", NULL, "DSP2CLK" },
1856         { "DAC2L", NULL, "DSPINTCLK" },
1857 
1858         { "DAC2R", NULL, "AIF2DACR" },
1859         { "DAC2R", NULL, "AIF2CLK" },
1860         { "DAC2R", NULL, "DSP2CLK" },
1861         { "DAC2R", NULL, "DSPINTCLK" },
1862 
1863         { "TOCLK", NULL, "CLK_SYS" },
1864 
1865         { "AIF1DACDAT", NULL, "AIF1 Playback" },
1866         { "AIF2DACDAT", NULL, "AIF2 Playback" },
1867         { "AIF3DACDAT", NULL, "AIF3 Playback" },
1868 
1869         { "AIF1 Capture", NULL, "AIF1ADCDAT" },
1870         { "AIF2 Capture", NULL, "AIF2ADCDAT" },
1871         { "AIF3 Capture", NULL, "AIF3ADCDAT" },
1872 
1873         /* AIF1 outputs */
1874         { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1875         { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1876         { "AIF1ADC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1877 
1878         { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1879         { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1880         { "AIF1ADC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1881 
1882         { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1883         { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1884         { "AIF1ADC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1885 
1886         { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1887         { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1888         { "AIF1ADC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1889 
1890         /* Pin level routing for AIF3 */
1891         { "AIF1DAC1L", NULL, "AIF1DAC Mux" },
1892         { "AIF1DAC1R", NULL, "AIF1DAC Mux" },
1893         { "AIF1DAC2L", NULL, "AIF1DAC Mux" },
1894         { "AIF1DAC2R", NULL, "AIF1DAC Mux" },
1895 
1896         { "AIF1DAC Mux", "AIF1DACDAT", "AIF1 Loopback" },
1897         { "AIF1DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1898         { "AIF2DAC Mux", "AIF2DACDAT", "AIF2 Loopback" },
1899         { "AIF2DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1900         { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1901         { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1902         { "AIF2ADC Mux", "AIF3DACDAT", "AIF3ADCDAT" },
1903 
1904         /* DAC1 inputs */
1905         { "DAC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1906         { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1907         { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1908         { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1909         { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1910 
1911         { "DAC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1912         { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1913         { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1914         { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1915         { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1916 
1917         /* DAC2/AIF2 outputs  */
1918         { "AIF2ADCL", NULL, "AIF2DAC2L Mixer" },
1919         { "AIF2DAC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1920         { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1921         { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1922         { "AIF2DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1923         { "AIF2DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1924 
1925         { "AIF2ADCR", NULL, "AIF2DAC2R Mixer" },
1926         { "AIF2DAC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1927         { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1928         { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1929         { "AIF2DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1930         { "AIF2DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1931 
1932         { "AIF1ADCDAT", NULL, "AIF1ADC1L" },
1933         { "AIF1ADCDAT", NULL, "AIF1ADC1R" },
1934         { "AIF1ADCDAT", NULL, "AIF1ADC2L" },
1935         { "AIF1ADCDAT", NULL, "AIF1ADC2R" },
1936 
1937         { "AIF2ADCDAT", NULL, "AIF2ADC Mux" },
1938 
1939         /* AIF3 output */
1940         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC1L" },
1941         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC1R" },
1942         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC2L" },
1943         { "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC2R" },
1944         { "AIF3ADCDAT", "AIF2ADCDAT", "AIF2ADCL" },
1945         { "AIF3ADCDAT", "AIF2ADCDAT", "AIF2ADCR" },
1946         { "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACL" },
1947         { "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACR" },
1948 
1949         /* Loopback */
1950         { "AIF1 Loopback", "ADCDAT", "AIF1ADCDAT" },
1951         { "AIF1 Loopback", "None", "AIF1DACDAT" },
1952         { "AIF2 Loopback", "ADCDAT", "AIF2ADCDAT" },
1953         { "AIF2 Loopback", "None", "AIF2DACDAT" },
1954 
1955         /* Sidetone */
1956         { "Left Sidetone", "ADC/DMIC1", "ADCL Mux" },
1957         { "Left Sidetone", "DMIC2", "DMIC2L" },
1958         { "Right Sidetone", "ADC/DMIC1", "ADCR Mux" },
1959         { "Right Sidetone", "DMIC2", "DMIC2R" },
1960 
1961         /* Output stages */
1962         { "Left Output Mixer", "DAC Switch", "DAC1L" },
1963         { "Right Output Mixer", "DAC Switch", "DAC1R" },
1964 
1965         { "SPKL", "DAC1 Switch", "DAC1L" },
1966         { "SPKL", "DAC2 Switch", "DAC2L" },
1967 
1968         { "SPKR", "DAC1 Switch", "DAC1R" },
1969         { "SPKR", "DAC2 Switch", "DAC2R" },
1970 
1971         { "Left Headphone Mux", "DAC", "DAC1L" },
1972         { "Right Headphone Mux", "DAC", "DAC1R" },
1973 };
1974 
1975 static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = {
1976         { "DAC1L", NULL, "Late DAC1L Enable PGA" },
1977         { "Late DAC1L Enable PGA", NULL, "DAC1L Mixer" },
1978         { "DAC1R", NULL, "Late DAC1R Enable PGA" },
1979         { "Late DAC1R Enable PGA", NULL, "DAC1R Mixer" },
1980         { "DAC2L", NULL, "Late DAC2L Enable PGA" },
1981         { "Late DAC2L Enable PGA", NULL, "AIF2DAC2L Mixer" },
1982         { "DAC2R", NULL, "Late DAC2R Enable PGA" },
1983         { "Late DAC2R Enable PGA", NULL, "AIF2DAC2R Mixer" }
1984 };
1985 
1986 static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = {
1987         { "DAC1L", NULL, "DAC1L Mixer" },
1988         { "DAC1R", NULL, "DAC1R Mixer" },
1989         { "DAC2L", NULL, "AIF2DAC2L Mixer" },
1990         { "DAC2R", NULL, "AIF2DAC2R Mixer" },
1991 };
1992 
1993 static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
1994         { "AIF1DACDAT", NULL, "AIF2DACDAT" },
1995         { "AIF2DACDAT", NULL, "AIF1DACDAT" },
1996         { "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
1997         { "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
1998         { "MICBIAS1", NULL, "CLK_SYS" },
1999         { "MICBIAS1", NULL, "MICBIAS Supply" },
2000         { "MICBIAS2", NULL, "CLK_SYS" },
2001         { "MICBIAS2", NULL, "MICBIAS Supply" },
2002 };
2003 
2004 static const struct snd_soc_dapm_route wm8994_intercon[] = {
2005         { "AIF2DACL", NULL, "AIF2DAC Mux" },
2006         { "AIF2DACR", NULL, "AIF2DAC Mux" },
2007         { "MICBIAS1", NULL, "VMID" },
2008         { "MICBIAS2", NULL, "VMID" },
2009 };
2010 
2011 static const struct snd_soc_dapm_route wm8958_intercon[] = {
2012         { "AIF2DACL", NULL, "AIF2DACL Mux" },
2013         { "AIF2DACR", NULL, "AIF2DACR Mux" },
2014 
2015         { "AIF2DACL Mux", "AIF2", "AIF2DAC Mux" },
2016         { "AIF2DACL Mux", "AIF3", "AIF3DACDAT" },
2017         { "AIF2DACR Mux", "AIF2", "AIF2DAC Mux" },
2018         { "AIF2DACR Mux", "AIF3", "AIF3DACDAT" },
2019 
2020         { "AIF3DACDAT", NULL, "AIF3" },
2021         { "AIF3ADCDAT", NULL, "AIF3" },
2022 
2023         { "Mono PCM Out Mux", "AIF2ADCL", "AIF2ADCL" },
2024         { "Mono PCM Out Mux", "AIF2ADCR", "AIF2ADCR" },
2025 
2026         { "AIF3ADC Mux", "Mono PCM", "Mono PCM Out Mux" },
2027 };
2028 
2029 /* The size in bits of the FLL divide multiplied by 10
2030  * to allow rounding later */
2031 #define FIXED_FLL_SIZE ((1 << 16) * 10)
2032 
2033 struct fll_div {
2034         u16 outdiv;
2035         u16 n;
2036         u16 k;
2037         u16 lambda;
2038         u16 clk_ref_div;
2039         u16 fll_fratio;
2040 };
2041 
2042 static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll,
2043                                  int freq_in, int freq_out)
2044 {
2045         u64 Kpart;
2046         unsigned int K, Ndiv, Nmod, gcd_fll;
2047 
2048         pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
2049 
2050         /* Scale the input frequency down to <= 13.5MHz */
2051         fll->clk_ref_div = 0;
2052         while (freq_in > 13500000) {
2053                 fll->clk_ref_div++;
2054                 freq_in /= 2;
2055 
2056                 if (fll->clk_ref_div > 3)
2057                         return -EINVAL;
2058         }
2059         pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
2060 
2061         /* Scale the output to give 90MHz<=Fvco<=100MHz */
2062         fll->outdiv = 3;
2063         while (freq_out * (fll->outdiv + 1) < 90000000) {
2064                 fll->outdiv++;
2065                 if (fll->outdiv > 63)
2066                         return -EINVAL;
2067         }
2068         freq_out *= fll->outdiv + 1;
2069         pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
2070 
2071         if (freq_in > 1000000) {
2072                 fll->fll_fratio = 0;
2073         } else if (freq_in > 256000) {
2074                 fll->fll_fratio = 1;
2075                 freq_in *= 2;
2076         } else if (freq_in > 128000) {
2077                 fll->fll_fratio = 2;
2078                 freq_in *= 4;
2079         } else if (freq_in > 64000) {
2080                 fll->fll_fratio = 3;
2081                 freq_in *= 8;
2082         } else {
2083                 fll->fll_fratio = 4;
2084                 freq_in *= 16;
2085         }
2086         pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
2087 
2088         /* Now, calculate N.K */
2089         Ndiv = freq_out / freq_in;
2090 
2091         fll->n = Ndiv;
2092         Nmod = freq_out % freq_in;
2093         pr_debug("Nmod=%d\n", Nmod);
2094 
2095         switch (control->type) {
2096         case WM8994:
2097                 /* Calculate fractional part - scale up so we can round. */
2098                 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
2099 
2100                 do_div(Kpart, freq_in);
2101 
2102                 K = Kpart & 0xFFFFFFFF;
2103 
2104                 if ((K % 10) >= 5)
2105                         K += 5;
2106 
2107                 /* Move down to proper range now rounding is done */
2108                 fll->k = K / 10;
2109                 fll->lambda = 0;
2110 
2111                 pr_debug("N=%x K=%x\n", fll->n, fll->k);
2112                 break;
2113 
2114         default:
2115                 gcd_fll = gcd(freq_out, freq_in);
2116 
2117                 fll->k = (freq_out - (freq_in * fll->n)) / gcd_fll;
2118                 fll->lambda = freq_in / gcd_fll;
2119                 
2120         }
2121 
2122         return 0;
2123 }
2124 
2125 static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
2126                           unsigned int freq_in, unsigned int freq_out)
2127 {
2128         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2129         struct wm8994 *control = wm8994->wm8994;
2130         int reg_offset, ret;
2131         struct fll_div fll;
2132         u16 reg, clk1, aif_reg, aif_src;
2133         unsigned long timeout;
2134         bool was_enabled;
2135 
2136         switch (id) {
2137         case WM8994_FLL1:
2138                 reg_offset = 0;
2139                 id = 0;
2140                 aif_src = 0x10;
2141                 break;
2142         case WM8994_FLL2:
2143                 reg_offset = 0x20;
2144                 id = 1;
2145                 aif_src = 0x18;
2146                 break;
2147         default:
2148                 return -EINVAL;
2149         }
2150 
2151         reg = snd_soc_read(codec, WM8994_FLL1_CONTROL_1 + reg_offset);
2152         was_enabled = reg & WM8994_FLL1_ENA;
2153 
2154         switch (src) {
2155         case 0:
2156                 /* Allow no source specification when stopping */
2157                 if (freq_out)
2158                         return -EINVAL;
2159                 src = wm8994->fll[id].src;
2160                 break;
2161         case WM8994_FLL_SRC_MCLK1:
2162         case WM8994_FLL_SRC_MCLK2:
2163         case WM8994_FLL_SRC_LRCLK:
2164         case WM8994_FLL_SRC_BCLK:
2165                 break;
2166         case WM8994_FLL_SRC_INTERNAL:
2167                 freq_in = 12000000;
2168                 freq_out = 12000000;
2169                 break;
2170         default:
2171                 return -EINVAL;
2172         }
2173 
2174         /* Are we changing anything? */
2175         if (wm8994->fll[id].src == src &&
2176             wm8994->fll[id].in == freq_in && wm8994->fll[id].out == freq_out)
2177                 return 0;
2178 
2179         /* If we're stopping the FLL redo the old config - no
2180          * registers will actually be written but we avoid GCC flow
2181          * analysis bugs spewing warnings.
2182          */
2183         if (freq_out)
2184                 ret = wm8994_get_fll_config(control, &fll, freq_in, freq_out);
2185         else
2186                 ret = wm8994_get_fll_config(control, &fll, wm8994->fll[id].in,
2187                                             wm8994->fll[id].out);
2188         if (ret < 0)
2189                 return ret;
2190 
2191         /* Make sure that we're not providing SYSCLK right now */
2192         clk1 = snd_soc_read(codec, WM8994_CLOCKING_1);
2193         if (clk1 & WM8994_SYSCLK_SRC)
2194                 aif_reg = WM8994_AIF2_CLOCKING_1;
2195         else
2196                 aif_reg = WM8994_AIF1_CLOCKING_1;
2197         reg = snd_soc_read(codec, aif_reg);
2198 
2199         if ((reg & WM8994_AIF1CLK_ENA) &&
2200             (reg & WM8994_AIF1CLK_SRC_MASK) == aif_src) {
2201                 dev_err(codec->dev, "FLL%d is currently providing SYSCLK\n",
2202                         id + 1);
2203                 return -EBUSY;
2204         }
2205 
2206         /* We always need to disable the FLL while reconfiguring */
2207         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2208                             WM8994_FLL1_ENA, 0);
2209 
2210         if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
2211             freq_in == freq_out && freq_out) {
2212                 dev_dbg(codec->dev, "Bypassing FLL%d\n", id + 1);
2213                 snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2214                                     WM8958_FLL1_BYP, WM8958_FLL1_BYP);
2215                 goto out;
2216         }
2217 
2218         reg = (fll.outdiv << WM8994_FLL1_OUTDIV_SHIFT) |
2219                 (fll.fll_fratio << WM8994_FLL1_FRATIO_SHIFT);
2220         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_2 + reg_offset,
2221                             WM8994_FLL1_OUTDIV_MASK |
2222                             WM8994_FLL1_FRATIO_MASK, reg);
2223 
2224         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_3 + reg_offset,
2225                             WM8994_FLL1_K_MASK, fll.k);
2226 
2227         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_4 + reg_offset,
2228                             WM8994_FLL1_N_MASK,
2229                             fll.n << WM8994_FLL1_N_SHIFT);
2230 
2231         if (fll.lambda) {
2232                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_1 + reg_offset,
2233                                     WM8958_FLL1_LAMBDA_MASK,
2234                                     fll.lambda);
2235                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2236                                     WM8958_FLL1_EFS_ENA, WM8958_FLL1_EFS_ENA);
2237         } else {
2238                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2239                                     WM8958_FLL1_EFS_ENA, 0);
2240         }
2241 
2242         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2243                             WM8994_FLL1_FRC_NCO | WM8958_FLL1_BYP |
2244                             WM8994_FLL1_REFCLK_DIV_MASK |
2245                             WM8994_FLL1_REFCLK_SRC_MASK,
2246                             ((src == WM8994_FLL_SRC_INTERNAL)
2247                              << WM8994_FLL1_FRC_NCO_SHIFT) |
2248                             (fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
2249                             (src - 1));
2250 
2251         /* Clear any pending completion from a previous failure */
2252         try_wait_for_completion(&wm8994->fll_locked[id]);
2253 
2254         /* Enable (with fractional mode if required) */
2255         if (freq_out) {
2256                 /* Enable VMID if we need it */
2257                 if (!was_enabled) {
2258                         active_reference(codec);
2259 
2260                         switch (control->type) {
2261                         case WM8994:
2262                                 vmid_reference(codec);
2263                                 break;
2264                         case WM8958:
2265                                 if (control->revision < 1)
2266                                         vmid_reference(codec);
2267                                 break;
2268                         default:
2269                                 break;
2270                         }
2271                 }
2272 
2273                 reg = WM8994_FLL1_ENA;
2274 
2275                 if (fll.k)
2276                         reg |= WM8994_FLL1_FRAC;
2277                 if (src == WM8994_FLL_SRC_INTERNAL)
2278                         reg |= WM8994_FLL1_OSC_ENA;
2279 
2280                 snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2281                                     WM8994_FLL1_ENA | WM8994_FLL1_OSC_ENA |
2282                                     WM8994_FLL1_FRAC, reg);
2283 
2284                 if (wm8994->fll_locked_irq) {
2285                         timeout = wait_for_completion_timeout(&wm8994->fll_locked[id],
2286                                                               msecs_to_jiffies(10));
2287                         if (timeout == 0)
2288                                 dev_warn(codec->dev,
2289                                          "Timed out waiting for FLL lock\n");
2290                 } else {
2291                         msleep(5);
2292                 }
2293         } else {
2294                 if (was_enabled) {
2295                         switch (control->type) {
2296                         case WM8994:
2297                                 vmid_dereference(codec);
2298                                 break;
2299                         case WM8958:
2300                                 if (control->revision < 1)
2301                                         vmid_dereference(codec);
2302                                 break;
2303                         default:
2304                                 break;
2305                         }
2306 
2307                         active_dereference(codec);
2308                 }
2309         }
2310 
2311 out:
2312         wm8994->fll[id].in = freq_in;
2313         wm8994->fll[id].out = freq_out;
2314         wm8994->fll[id].src = src;
2315 
2316         configure_clock(codec);
2317 
2318         /*
2319          * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2320          * for detection.
2321          */
2322         if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2323                 dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2324 
2325                 wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2326                         & WM8994_AIF1CLK_RATE_MASK;
2327                 wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2328                         & WM8994_AIF1CLK_RATE_MASK;
2329 
2330                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2331                                     WM8994_AIF1CLK_RATE_MASK, 0x1);
2332                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2333                                     WM8994_AIF2CLK_RATE_MASK, 0x1);
2334         } else if (wm8994->aifdiv[0]) {
2335                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2336                                     WM8994_AIF1CLK_RATE_MASK,
2337                                     wm8994->aifdiv[0]);
2338                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2339                                     WM8994_AIF2CLK_RATE_MASK,
2340                                     wm8994->aifdiv[1]);
2341 
2342                 wm8994->aifdiv[0] = 0;
2343                 wm8994->aifdiv[1] = 0;
2344         }
2345 
2346         return 0;
2347 }
2348 
2349 static irqreturn_t wm8994_fll_locked_irq(int irq, void *data)
2350 {
2351         struct completion *completion = data;
2352 
2353         complete(completion);
2354 
2355         return IRQ_HANDLED;
2356 }
2357 
2358 static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
2359 
2360 static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
2361                           unsigned int freq_in, unsigned int freq_out)
2362 {
2363         return _wm8994_set_fll(dai->codec, id, src, freq_in, freq_out);
2364 }
2365 
2366 static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
2367                 int clk_id, unsigned int freq, int dir)
2368 {
2369         struct snd_soc_codec *codec = dai->codec;
2370         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2371         int i;
2372 
2373         switch (dai->id) {
2374         case 1:
2375         case 2:
2376                 break;
2377 
2378         default:
2379                 /* AIF3 shares clocking with AIF1/2 */
2380                 return -EINVAL;
2381         }
2382 
2383         switch (clk_id) {
2384         case WM8994_SYSCLK_MCLK1:
2385                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK1;
2386                 wm8994->mclk[0] = freq;
2387                 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
2388                         dai->id, freq);
2389                 break;
2390 
2391         case WM8994_SYSCLK_MCLK2:
2392                 /* TODO: Set GPIO AF */
2393                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK2;
2394                 wm8994->mclk[1] = freq;
2395                 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
2396                         dai->id, freq);
2397                 break;
2398 
2399         case WM8994_SYSCLK_FLL1:
2400                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL1;
2401                 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id);
2402                 break;
2403 
2404         case WM8994_SYSCLK_FLL2:
2405                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL2;
2406                 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id);
2407                 break;
2408 
2409         case WM8994_SYSCLK_OPCLK:
2410                 /* Special case - a division (times 10) is given and
2411                  * no effect on main clocking.
2412                  */
2413                 if (freq) {
2414                         for (i = 0; i < ARRAY_SIZE(opclk_divs); i++)
2415                                 if (opclk_divs[i] == freq)
2416                                         break;
2417                         if (i == ARRAY_SIZE(opclk_divs))
2418                                 return -EINVAL;
2419                         snd_soc_update_bits(codec, WM8994_CLOCKING_2,
2420                                             WM8994_OPCLK_DIV_MASK, i);
2421                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2422                                             WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
2423                 } else {
2424                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2425                                             WM8994_OPCLK_ENA, 0);
2426                 }
2427 
2428         default:
2429                 return -EINVAL;
2430         }
2431 
2432         configure_clock(codec);
2433 
2434         /*
2435          * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2436          * for detection.
2437          */
2438         if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2439                 dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2440 
2441                 wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2442                         & WM8994_AIF1CLK_RATE_MASK;
2443                 wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2444                         & WM8994_AIF1CLK_RATE_MASK;
2445 
2446                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2447                                     WM8994_AIF1CLK_RATE_MASK, 0x1);
2448                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2449                                     WM8994_AIF2CLK_RATE_MASK, 0x1);
2450         } else if (wm8994->aifdiv[0]) {
2451                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2452                                     WM8994_AIF1CLK_RATE_MASK,
2453                                     wm8994->aifdiv[0]);
2454                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2455                                     WM8994_AIF2CLK_RATE_MASK,
2456                                     wm8994->aifdiv[1]);
2457 
2458                 wm8994->aifdiv[0] = 0;
2459                 wm8994->aifdiv[1] = 0;
2460         }
2461 
2462         return 0;
2463 }
2464 
2465 static int wm8994_set_bias_level(struct snd_soc_codec *codec,
2466                                  enum snd_soc_bias_level level)
2467 {
2468         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2469         struct wm8994 *control = wm8994->wm8994;
2470 
2471         wm_hubs_set_bias_level(codec, level);
2472 
2473         switch (level) {
2474         case SND_SOC_BIAS_ON:
2475                 break;
2476 
2477         case SND_SOC_BIAS_PREPARE:
2478                 /* MICBIAS into regulating mode */
2479                 switch (control->type) {
2480                 case WM8958:
2481                 case WM1811:
2482                         snd_soc_update_bits(codec, WM8958_MICBIAS1,
2483                                             WM8958_MICB1_MODE, 0);
2484                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
2485                                             WM8958_MICB2_MODE, 0);
2486                         break;
2487                 default:
2488                         break;
2489                 }
2490 
2491                 if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
2492                         active_reference(codec);
2493                 break;
2494 
2495         case SND_SOC_BIAS_STANDBY:
2496                 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
2497                         switch (control->type) {
2498                         case WM8958:
2499                                 if (control->revision == 0) {
2500                                         /* Optimise performance for rev A */
2501                                         snd_soc_update_bits(codec,
2502                                                             WM8958_CHARGE_PUMP_2,
2503                                                             WM8958_CP_DISCH,
2504                                                             WM8958_CP_DISCH);
2505                                 }
2506                                 break;
2507 
2508                         default:
2509                                 break;
2510                         }
2511 
2512                         /* Discharge LINEOUT1 & 2 */
2513                         snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
2514                                             WM8994_LINEOUT1_DISCH |
2515                                             WM8994_LINEOUT2_DISCH,
2516                                             WM8994_LINEOUT1_DISCH |
2517                                             WM8994_LINEOUT2_DISCH);
2518                 }
2519 
2520                 if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE)
2521                         active_dereference(codec);
2522 
2523                 /* MICBIAS into bypass mode on newer devices */
2524                 switch (control->type) {
2525                 case WM8958:
2526                 case WM1811:
2527                         snd_soc_update_bits(codec, WM8958_MICBIAS1,
2528                                             WM8958_MICB1_MODE,
2529                                             WM8958_MICB1_MODE);
2530                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
2531                                             WM8958_MICB2_MODE,
2532                                             WM8958_MICB2_MODE);
2533                         break;
2534                 default:
2535                         break;
2536                 }
2537                 break;
2538 
2539         case SND_SOC_BIAS_OFF:
2540                 if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
2541                         wm8994->cur_fw = NULL;
2542                 break;
2543         }
2544 
2545         codec->dapm.bias_level = level;
2546 
2547         return 0;
2548 }
2549 
2550 int wm8994_vmid_mode(struct snd_soc_codec *codec, enum wm8994_vmid_mode mode)
2551 {
2552         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2553 
2554         switch (mode) {
2555         case WM8994_VMID_NORMAL:
2556                 if (wm8994->hubs.lineout1_se) {
2557                         snd_soc_dapm_disable_pin(&codec->dapm,
2558                                                  "LINEOUT1N Driver");
2559                         snd_soc_dapm_disable_pin(&codec->dapm,
2560                                                  "LINEOUT1P Driver");
2561                 }
2562                 if (wm8994->hubs.lineout2_se) {
2563                         snd_soc_dapm_disable_pin(&codec->dapm,
2564                                                  "LINEOUT2N Driver");
2565                         snd_soc_dapm_disable_pin(&codec->dapm,
2566                                                  "LINEOUT2P Driver");
2567                 }
2568 
2569                 /* Do the sync with the old mode to allow it to clean up */
2570                 snd_soc_dapm_sync(&codec->dapm);
2571                 wm8994->vmid_mode = mode;
2572                 break;
2573 
2574         case WM8994_VMID_FORCE:
2575                 if (wm8994->hubs.lineout1_se) {
2576                         snd_soc_dapm_force_enable_pin(&codec->dapm,
2577                                                       "LINEOUT1N Driver");
2578                         snd_soc_dapm_force_enable_pin(&codec->dapm,
2579                                                       "LINEOUT1P Driver");
2580                 }
2581                 if (wm8994->hubs.lineout2_se) {
2582                         snd_soc_dapm_force_enable_pin(&codec->dapm,
2583                                                       "LINEOUT2N Driver");
2584                         snd_soc_dapm_force_enable_pin(&codec->dapm,
2585                                                       "LINEOUT2P Driver");
2586                 }
2587 
2588                 wm8994->vmid_mode = mode;
2589                 snd_soc_dapm_sync(&codec->dapm);
2590                 break;
2591 
2592         default:
2593                 return -EINVAL;
2594         }
2595 
2596         return 0;
2597 }
2598 
2599 static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
2600 {
2601         struct snd_soc_codec *codec = dai->codec;
2602         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2603         struct wm8994 *control = wm8994->wm8994;
2604         int ms_reg;
2605         int aif1_reg;
2606         int dac_reg;
2607         int adc_reg;
2608         int ms = 0;
2609         int aif1 = 0;
2610         int lrclk = 0;
2611 
2612         switch (dai->id) {
2613         case 1:
2614                 ms_reg = WM8994_AIF1_MASTER_SLAVE;
2615                 aif1_reg = WM8994_AIF1_CONTROL_1;
2616                 dac_reg = WM8994_AIF1DAC_LRCLK;
2617                 adc_reg = WM8994_AIF1ADC_LRCLK;
2618                 break;
2619         case 2:
2620                 ms_reg = WM8994_AIF2_MASTER_SLAVE;
2621                 aif1_reg = WM8994_AIF2_CONTROL_1;
2622                 dac_reg = WM8994_AIF1DAC_LRCLK;
2623                 adc_reg = WM8994_AIF1ADC_LRCLK;
2624                 break;
2625         default:
2626                 return -EINVAL;
2627         }
2628 
2629         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2630         case SND_SOC_DAIFMT_CBS_CFS:
2631                 break;
2632         case SND_SOC_DAIFMT_CBM_CFM:
2633                 ms = WM8994_AIF1_MSTR;
2634                 break;
2635         default:
2636                 return -EINVAL;
2637         }
2638 
2639         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2640         case SND_SOC_DAIFMT_DSP_B:
2641                 aif1 |= WM8994_AIF1_LRCLK_INV;
2642                 lrclk |= WM8958_AIF1_LRCLK_INV;
2643         case SND_SOC_DAIFMT_DSP_A:
2644                 aif1 |= 0x18;
2645                 break;
2646         case SND_SOC_DAIFMT_I2S:
2647                 aif1 |= 0x10;
2648                 break;
2649         case SND_SOC_DAIFMT_RIGHT_J:
2650                 break;
2651         case SND_SOC_DAIFMT_LEFT_J:
2652                 aif1 |= 0x8;
2653                 break;
2654         default:
2655                 return -EINVAL;
2656         }
2657 
2658         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2659         case SND_SOC_DAIFMT_DSP_A:
2660         case SND_SOC_DAIFMT_DSP_B:
2661                 /* frame inversion not valid for DSP modes */
2662                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2663                 case SND_SOC_DAIFMT_NB_NF:
2664                         break;
2665                 case SND_SOC_DAIFMT_IB_NF:
2666                         aif1 |= WM8994_AIF1_BCLK_INV;
2667                         break;
2668                 default:
2669                         return -EINVAL;
2670                 }
2671                 break;
2672 
2673         case SND_SOC_DAIFMT_I2S:
2674         case SND_SOC_DAIFMT_RIGHT_J:
2675         case SND_SOC_DAIFMT_LEFT_J:
2676                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2677                 case SND_SOC_DAIFMT_NB_NF:
2678                         break;
2679                 case SND_SOC_DAIFMT_IB_IF:
2680                         aif1 |= WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV;
2681                         lrclk |= WM8958_AIF1_LRCLK_INV;
2682                         break;
2683                 case SND_SOC_DAIFMT_IB_NF:
2684                         aif1 |= WM8994_AIF1_BCLK_INV;
2685                         break;
2686                 case SND_SOC_DAIFMT_NB_IF:
2687                         aif1 |= WM8994_AIF1_LRCLK_INV;
2688                         lrclk |= WM8958_AIF1_LRCLK_INV;
2689                         break;
2690                 default:
2691                         return -EINVAL;
2692                 }
2693                 break;
2694         default:
2695                 return -EINVAL;
2696         }
2697 
2698         /* The AIF2 format configuration needs to be mirrored to AIF3
2699          * on WM8958 if it's in use so just do it all the time. */
2700         switch (control->type) {
2701         case WM1811:
2702         case WM8958:
2703                 if (dai->id == 2)
2704                         snd_soc_update_bits(codec, WM8958_AIF3_CONTROL_1,
2705                                             WM8994_AIF1_LRCLK_INV |
2706                                             WM8958_AIF3_FMT_MASK, aif1);
2707                 break;
2708 
2709         default:
2710                 break;
2711         }
2712 
2713         snd_soc_update_bits(codec, aif1_reg,
2714                             WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV |
2715                             WM8994_AIF1_FMT_MASK,
2716                             aif1);
2717         snd_soc_update_bits(codec, ms_reg, WM8994_AIF1_MSTR,
2718                             ms);
2719         snd_soc_update_bits(codec, dac_reg,
2720                             WM8958_AIF1_LRCLK_INV, lrclk);
2721         snd_soc_update_bits(codec, adc_reg,
2722                             WM8958_AIF1_LRCLK_INV, lrclk);
2723 
2724         return 0;
2725 }
2726 
2727 static struct {
2728         int val, rate;
2729 } srs[] = {
2730         { 0,   8000 },
2731         { 1,  11025 },
2732         { 2,  12000 },
2733         { 3,  16000 },
2734         { 4,  22050 },
2735         { 5,  24000 },
2736         { 6,  32000 },
2737         { 7,  44100 },
2738         { 8,  48000 },
2739         { 9,  88200 },
2740         { 10, 96000 },
2741 };
2742 
2743 static int fs_ratios[] = {
2744         64, 128, 192, 256, 348, 512, 768, 1024, 1408, 1536
2745 };
2746 
2747 static int bclk_divs[] = {
2748         10, 15, 20, 30, 40, 50, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480,
2749         640, 880, 960, 1280, 1760, 1920
2750 };
2751 
2752 static int wm8994_hw_params(struct snd_pcm_substream *substream,
2753                             struct snd_pcm_hw_params *params,
2754                             struct snd_soc_dai *dai)
2755 {
2756         struct snd_soc_codec *codec = dai->codec;
2757         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2758         struct wm8994 *control = wm8994->wm8994;
2759         struct wm8994_pdata *pdata = &control->pdata;
2760         int aif1_reg;
2761         int aif2_reg;
2762         int bclk_reg;
2763         int lrclk_reg;
2764         int rate_reg;
2765         int aif1 = 0;
2766         int aif2 = 0;
2767         int bclk = 0;
2768         int lrclk = 0;
2769         int rate_val = 0;
2770         int id = dai->id - 1;
2771 
2772         int i, cur_val, best_val, bclk_rate, best;
2773 
2774         switch (dai->id) {
2775         case 1:
2776                 aif1_reg = WM8994_AIF1_CONTROL_1;
2777                 aif2_reg = WM8994_AIF1_CONTROL_2;
2778                 bclk_reg = WM8994_AIF1_BCLK;
2779                 rate_reg = WM8994_AIF1_RATE;
2780                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2781                     wm8994->lrclk_shared[0]) {
2782                         lrclk_reg = WM8994_AIF1DAC_LRCLK;
2783                 } else {
2784                         lrclk_reg = WM8994_AIF1ADC_LRCLK;
2785                         dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
2786                 }
2787                 break;
2788         case 2:
2789                 aif1_reg = WM8994_AIF2_CONTROL_1;
2790                 aif2_reg = WM8994_AIF2_CONTROL_2;
2791                 bclk_reg = WM8994_AIF2_BCLK;
2792                 rate_reg = WM8994_AIF2_RATE;
2793                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2794                     wm8994->lrclk_shared[1]) {
2795                         lrclk_reg = WM8994_AIF2DAC_LRCLK;
2796                 } else {
2797                         lrclk_reg = WM8994_AIF2ADC_LRCLK;
2798                         dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
2799                 }
2800                 break;
2801         default:
2802                 return -EINVAL;
2803         }
2804 
2805         bclk_rate = params_rate(params);
2806         switch (params_format(params)) {
2807         case SNDRV_PCM_FORMAT_S16_LE:
2808                 bclk_rate *= 16;
2809                 break;
2810         case SNDRV_PCM_FORMAT_S20_3LE:
2811                 bclk_rate *= 20;
2812                 aif1 |= 0x20;
2813                 break;
2814         case SNDRV_PCM_FORMAT_S24_LE:
2815                 bclk_rate *= 24;
2816                 aif1 |= 0x40;
2817                 break;
2818         case SNDRV_PCM_FORMAT_S32_LE:
2819                 bclk_rate *= 32;
2820                 aif1 |= 0x60;
2821                 break;
2822         default:
2823                 return -EINVAL;
2824         }
2825 
2826         wm8994->channels[id] = params_channels(params);
2827         if (pdata->max_channels_clocked[id] &&
2828             wm8994->channels[id] > pdata->max_channels_clocked[id]) {
2829                 dev_dbg(dai->dev, "Constraining channels to %d from %d\n",
2830                         pdata->max_channels_clocked[id], wm8994->channels[id]);
2831                 wm8994->channels[id] = pdata->max_channels_clocked[id];
2832         }
2833 
2834         switch (wm8994->channels[id]) {
2835         case 1:
2836         case 2:
2837                 bclk_rate *= 2;
2838                 break;
2839         default:
2840                 bclk_rate *= 4;
2841                 break;
2842         }
2843 
2844         /* Try to find an appropriate sample rate; look for an exact match. */
2845         for (i = 0; i < ARRAY_SIZE(srs); i++)
2846                 if (srs[i].rate == params_rate(params))
2847                         break;
2848         if (i == ARRAY_SIZE(srs))
2849                 return -EINVAL;
2850         rate_val |= srs[i].val << WM8994_AIF1_SR_SHIFT;
2851 
2852         dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i].rate);
2853         dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
2854                 dai->id, wm8994->aifclk[id], bclk_rate);
2855 
2856         if (wm8994->channels[id] == 1 &&
2857             (snd_soc_read(codec, aif1_reg) & 0x18) == 0x18)
2858                 aif2 |= WM8994_AIF1_MONO;
2859 
2860         if (wm8994->aifclk[id] == 0) {
2861                 dev_err(dai->dev, "AIF%dCLK not configured\n", dai->id);
2862                 return -EINVAL;
2863         }
2864 
2865         /* AIFCLK/fs ratio; look for a close match in either direction */
2866         best = 0;
2867         best_val = abs((fs_ratios[0] * params_rate(params))
2868                        - wm8994->aifclk[id]);
2869         for (i = 1; i < ARRAY_SIZE(fs_ratios); i++) {
2870                 cur_val = abs((fs_ratios[i] * params_rate(params))
2871                               - wm8994->aifclk[id]);
2872                 if (cur_val >= best_val)
2873                         continue;
2874                 best = i;
2875                 best_val = cur_val;
2876         }
2877         dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
2878                 dai->id, fs_ratios[best]);
2879         rate_val |= best;
2880 
2881         /* We may not get quite the right frequency if using
2882          * approximate clocks so look for the closest match that is
2883          * higher than the target (we need to ensure that there enough
2884          * BCLKs to clock out the samples).
2885          */
2886         best = 0;
2887         for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
2888                 cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
2889                 if (cur_val < 0) /* BCLK table is sorted */
2890                         break;
2891                 best = i;
2892         }
2893         bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
2894         dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
2895                 bclk_divs[best], bclk_rate);
2896         bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
2897 
2898         lrclk = bclk_rate / params_rate(params);
2899         if (!lrclk) {
2900                 dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
2901                         bclk_rate);
2902                 return -EINVAL;
2903         }
2904         dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
2905                 lrclk, bclk_rate / lrclk);
2906 
2907         snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2908         snd_soc_update_bits(codec, aif2_reg, WM8994_AIF1_MONO, aif2);
2909         snd_soc_update_bits(codec, bclk_reg, WM8994_AIF1_BCLK_DIV_MASK, bclk);
2910         snd_soc_update_bits(codec, lrclk_reg, WM8994_AIF1DAC_RATE_MASK,
2911                             lrclk);
2912         snd_soc_update_bits(codec, rate_reg, WM8994_AIF1_SR_MASK |
2913                             WM8994_AIF1CLK_RATE_MASK, rate_val);
2914 
2915         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2916                 switch (dai->id) {
2917                 case 1:
2918                         wm8994->dac_rates[0] = params_rate(params);
2919                         wm8994_set_retune_mobile(codec, 0);
2920                         wm8994_set_retune_mobile(codec, 1);
2921                         break;
2922                 case 2:
2923                         wm8994->dac_rates[1] = params_rate(params);
2924                         wm8994_set_retune_mobile(codec, 2);
2925                         break;
2926                 }
2927         }
2928 
2929         return 0;
2930 }
2931 
2932 static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
2933                                  struct snd_pcm_hw_params *params,
2934                                  struct snd_soc_dai *dai)
2935 {
2936         struct snd_soc_codec *codec = dai->codec;
2937         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2938         struct wm8994 *control = wm8994->wm8994;
2939         int aif1_reg;
2940         int aif1 = 0;
2941 
2942         switch (dai->id) {
2943         case 3:
2944                 switch (control->type) {
2945                 case WM1811:
2946                 case WM8958:
2947                         aif1_reg = WM8958_AIF3_CONTROL_1;
2948                         break;
2949                 default:
2950                         return 0;
2951                 }
2952                 break;
2953         default:
2954                 return 0;
2955         }
2956 
2957         switch (params_format(params)) {
2958         case SNDRV_PCM_FORMAT_S16_LE:
2959                 break;
2960         case SNDRV_PCM_FORMAT_S20_3LE:
2961                 aif1 |= 0x20;
2962                 break;
2963         case SNDRV_PCM_FORMAT_S24_LE:
2964                 aif1 |= 0x40;
2965                 break;
2966         case SNDRV_PCM_FORMAT_S32_LE:
2967                 aif1 |= 0x60;
2968                 break;
2969         default:
2970                 return -EINVAL;
2971         }
2972 
2973         return snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2974 }
2975 
2976 static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute)
2977 {
2978         struct snd_soc_codec *codec = codec_dai->codec;
2979         int mute_reg;
2980         int reg;
2981 
2982         switch (codec_dai->id) {
2983         case 1:
2984                 mute_reg = WM8994_AIF1_DAC1_FILTERS_1;
2985                 break;
2986         case 2:
2987                 mute_reg = WM8994_AIF2_DAC_FILTERS_1;
2988                 break;
2989         default:
2990                 return -EINVAL;
2991         }
2992 
2993         if (mute)
2994                 reg = WM8994_AIF1DAC1_MUTE;
2995         else
2996                 reg = 0;
2997 
2998         snd_soc_update_bits(codec, mute_reg, WM8994_AIF1DAC1_MUTE, reg);
2999 
3000         return 0;
3001 }
3002 
3003 static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
3004 {
3005         struct snd_soc_codec *codec = codec_dai->codec;
3006         int reg, val, mask;
3007 
3008         switch (codec_dai->id) {
3009         case 1:
3010                 reg = WM8994_AIF1_MASTER_SLAVE;
3011                 mask = WM8994_AIF1_TRI;
3012                 break;
3013         case 2:
3014                 reg = WM8994_AIF2_MASTER_SLAVE;
3015                 mask = WM8994_AIF2_TRI;
3016                 break;
3017         default:
3018                 return -EINVAL;
3019         }
3020 
3021         if (tristate)
3022                 val = mask;
3023         else
3024                 val = 0;
3025 
3026         return snd_soc_update_bits(codec, reg, mask, val);
3027 }
3028 
3029 static int wm8994_aif2_probe(struct snd_soc_dai *dai)
3030 {
3031         struct snd_soc_codec *codec = dai->codec;
3032 
3033         /* Disable the pulls on the AIF if we're using it to save power. */
3034         snd_soc_update_bits(codec, WM8994_GPIO_3,
3035                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3036         snd_soc_update_bits(codec, WM8994_GPIO_4,
3037                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3038         snd_soc_update_bits(codec, WM8994_GPIO_5,
3039                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3040 
3041         return 0;
3042 }
3043 
3044 #define WM8994_RATES SNDRV_PCM_RATE_8000_96000
3045 
3046 #define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
3047                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
3048 
3049 static const struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
3050         .set_sysclk     = wm8994_set_dai_sysclk,
3051         .set_fmt        = wm8994_set_dai_fmt,
3052         .hw_params      = wm8994_hw_params,
3053         .digital_mute   = wm8994_aif_mute,
3054         .set_pll        = wm8994_set_fll,
3055         .set_tristate   = wm8994_set_tristate,
3056 };
3057 
3058 static const struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
3059         .set_sysclk     = wm8994_set_dai_sysclk,
3060         .set_fmt        = wm8994_set_dai_fmt,
3061         .hw_params      = wm8994_hw_params,
3062         .digital_mute   = wm8994_aif_mute,
3063         .set_pll        = wm8994_set_fll,
3064         .set_tristate   = wm8994_set_tristate,
3065 };
3066 
3067 static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
3068         .hw_params      = wm8994_aif3_hw_params,
3069 };
3070 
3071 static struct snd_soc_dai_driver wm8994_dai[] = {
3072         {
3073                 .name = "wm8994-aif1",
3074                 .id = 1,
3075                 .playback = {
3076                         .stream_name = "AIF1 Playback",
3077                         .channels_min = 1,
3078                         .channels_max = 2,
3079                         .rates = WM8994_RATES,
3080                         .formats = WM8994_FORMATS,
3081                         .sig_bits = 24,
3082                 },
3083                 .capture = {
3084                         .stream_name = "AIF1 Capture",
3085                         .channels_min = 1,
3086                         .channels_max = 2,
3087                         .rates = WM8994_RATES,
3088                         .formats = WM8994_FORMATS,
3089                         .sig_bits = 24,
3090                  },
3091                 .ops = &wm8994_aif1_dai_ops,
3092         },
3093         {
3094                 .name = "wm8994-aif2",
3095                 .id = 2,
3096                 .playback = {
3097                         .stream_name = "AIF2 Playback",
3098                         .channels_min = 1,
3099                         .channels_max = 2,
3100                         .rates = WM8994_RATES,
3101                         .formats = WM8994_FORMATS,
3102                         .sig_bits = 24,
3103                 },
3104                 .capture = {
3105                         .stream_name = "AIF2 Capture",
3106                         .channels_min = 1,
3107                         .channels_max = 2,
3108                         .rates = WM8994_RATES,
3109                         .formats = WM8994_FORMATS,
3110                         .sig_bits = 24,
3111                 },
3112                 .probe = wm8994_aif2_probe,
3113                 .ops = &wm8994_aif2_dai_ops,
3114         },
3115         {
3116                 .name = "wm8994-aif3",
3117                 .id = 3,
3118                 .playback = {
3119                         .stream_name = "AIF3 Playback",
3120                         .channels_min = 1,
3121                         .channels_max = 2,
3122                         .rates = WM8994_RATES,
3123                         .formats = WM8994_FORMATS,
3124                         .sig_bits = 24,
3125                 },
3126                 .capture = {
3127                         .stream_name = "AIF3 Capture",
3128                         .channels_min = 1,
3129                         .channels_max = 2,
3130                         .rates = WM8994_RATES,
3131                         .formats = WM8994_FORMATS,
3132                         .sig_bits = 24,
3133                  },
3134                 .ops = &wm8994_aif3_dai_ops,
3135         }
3136 };
3137 
3138 #ifdef CONFIG_PM
3139 static int wm8994_codec_suspend(struct snd_soc_codec *codec)
3140 {
3141         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3142         int i, ret;
3143 
3144         for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3145                 memcpy(&wm8994->fll_suspend[i], &wm8994->fll[i],
3146                        sizeof(struct wm8994_fll_config));
3147                 ret = _wm8994_set_fll(codec, i + 1, 0, 0, 0);
3148                 if (ret < 0)
3149                         dev_warn(codec->dev, "Failed to stop FLL%d: %d\n",
3150                                  i + 1, ret);
3151         }
3152 
3153         wm8994_set_bias_level(codec, SND_SOC_BIAS_OFF);
3154 
3155         return 0;
3156 }
3157 
3158 static int wm8994_codec_resume(struct snd_soc_codec *codec)
3159 {
3160         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3161         int i, ret;
3162 
3163         for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3164                 if (!wm8994->fll_suspend[i].out)
3165                         continue;
3166 
3167                 ret = _wm8994_set_fll(codec, i + 1,
3168                                      wm8994->fll_suspend[i].src,
3169                                      wm8994->fll_suspend[i].in,
3170                                      wm8994->fll_suspend[i].out);
3171                 if (ret < 0)
3172                         dev_warn(codec->dev, "Failed to restore FLL%d: %d\n",
3173                                  i + 1, ret);
3174         }
3175 
3176         return 0;
3177 }
3178 #else
3179 #define wm8994_codec_suspend NULL
3180 #define wm8994_codec_resume NULL
3181 #endif
3182 
3183 static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
3184 {
3185         struct snd_soc_codec *codec = wm8994->hubs.codec;
3186         struct wm8994 *control = wm8994->wm8994;
3187         struct wm8994_pdata *pdata = &control->pdata;
3188         struct snd_kcontrol_new controls[] = {
3189                 SOC_ENUM_EXT("AIF1.1 EQ Mode",
3190                              wm8994->retune_mobile_enum,
3191                              wm8994_get_retune_mobile_enum,
3192                              wm8994_put_retune_mobile_enum),
3193                 SOC_ENUM_EXT("AIF1.2 EQ Mode",
3194                              wm8994->retune_mobile_enum,
3195                              wm8994_get_retune_mobile_enum,
3196                              wm8994_put_retune_mobile_enum),
3197                 SOC_ENUM_EXT("AIF2 EQ Mode",
3198                              wm8994->retune_mobile_enum,
3199                              wm8994_get_retune_mobile_enum,
3200                              wm8994_put_retune_mobile_enum),
3201         };
3202         int ret, i, j;
3203         const char **t;
3204 
3205         /* We need an array of texts for the enum API but the number
3206          * of texts is likely to be less than the number of
3207          * configurations due to the sample rate dependency of the
3208          * configurations. */
3209         wm8994->num_retune_mobile_texts = 0;
3210         wm8994->retune_mobile_texts = NULL;
3211         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
3212                 for (j = 0; j < wm8994->num_retune_mobile_texts; j++) {
3213                         if (strcmp(pdata->retune_mobile_cfgs[i].name,
3214                                    wm8994->retune_mobile_texts[j]) == 0)
3215                                 break;
3216                 }
3217 
3218                 if (j != wm8994->num_retune_mobile_texts)
3219                         continue;
3220 
3221                 /* Expand the array... */
3222                 t = krealloc(wm8994->retune_mobile_texts,
3223                              sizeof(char *) *
3224                              (wm8994->num_retune_mobile_texts + 1),
3225                              GFP_KERNEL);
3226                 if (t == NULL)
3227                         continue;
3228 
3229                 /* ...store the new entry... */
3230                 t[wm8994->num_retune_mobile_texts] =
3231                         pdata->retune_mobile_cfgs[i].name;
3232 
3233                 /* ...and remember the new version. */
3234                 wm8994->num_retune_mobile_texts++;
3235                 wm8994->retune_mobile_texts = t;
3236         }
3237 
3238         dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
3239                 wm8994->num_retune_mobile_texts);
3240 
3241         wm8994->retune_mobile_enum.max = wm8994->num_retune_mobile_texts;
3242         wm8994->retune_mobile_enum.texts = wm8994->retune_mobile_texts;
3243 
3244         ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3245                                    ARRAY_SIZE(controls));
3246         if (ret != 0)
3247                 dev_err(wm8994->hubs.codec->dev,
3248                         "Failed to add ReTune Mobile controls: %d\n", ret);
3249 }
3250 
3251 static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
3252 {
3253         struct snd_soc_codec *codec = wm8994->hubs.codec;
3254         struct wm8994 *control = wm8994->wm8994;
3255         struct wm8994_pdata *pdata = &control->pdata;
3256         int ret, i;
3257 
3258         if (!pdata)
3259                 return;
3260 
3261         wm_hubs_handle_analogue_pdata(codec, pdata->lineout1_diff,
3262                                       pdata->lineout2_diff,
3263                                       pdata->lineout1fb,
3264                                       pdata->lineout2fb,
3265                                       pdata->jd_scthr,
3266                                       pdata->jd_thr,
3267                                       pdata->micb1_delay,
3268                                       pdata->micb2_delay,
3269                                       pdata->micbias1_lvl,
3270                                       pdata->micbias2_lvl);
3271 
3272         dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
3273 
3274         if (pdata->num_drc_cfgs) {
3275                 struct snd_kcontrol_new controls[] = {
3276                         SOC_ENUM_EXT("AIF1DRC1 Mode", wm8994->drc_enum,
3277                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3278                         SOC_ENUM_EXT("AIF1DRC2 Mode", wm8994->drc_enum,
3279                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3280                         SOC_ENUM_EXT("AIF2DRC Mode", wm8994->drc_enum,
3281                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3282                 };
3283 
3284                 /* We need an array of texts for the enum API */
3285                 wm8994->drc_texts = devm_kzalloc(wm8994->hubs.codec->dev,
3286                             sizeof(char *) * pdata->num_drc_cfgs, GFP_KERNEL);
3287                 if (!wm8994->drc_texts) {
3288                         dev_err(wm8994->hubs.codec->dev,
3289                                 "Failed to allocate %d DRC config texts\n",
3290                                 pdata->num_drc_cfgs);
3291                         return;
3292                 }
3293 
3294                 for (i = 0; i < pdata->num_drc_cfgs; i++)
3295                         wm8994->drc_texts[i] = pdata->drc_cfgs[i].name;
3296 
3297                 wm8994->drc_enum.max = pdata->num_drc_cfgs;
3298                 wm8994->drc_enum.texts = wm8994->drc_texts;
3299 
3300                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3301                                            ARRAY_SIZE(controls));
3302                 for (i = 0; i < WM8994_NUM_DRC; i++)
3303                         wm8994_set_drc(codec, i);
3304         } else {
3305                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
3306                                                  wm8994_drc_controls,
3307                                                  ARRAY_SIZE(wm8994_drc_controls));
3308         }
3309 
3310         if (ret != 0)
3311                 dev_err(wm8994->hubs.codec->dev,
3312                         "Failed to add DRC mode controls: %d\n", ret);
3313 
3314 
3315         dev_dbg(codec->dev, "%d ReTune Mobile configurations\n",
3316                 pdata->num_retune_mobile_cfgs);
3317 
3318         if (pdata->num_retune_mobile_cfgs)
3319                 wm8994_handle_retune_mobile_pdata(wm8994);
3320         else
3321                 snd_soc_add_codec_controls(wm8994->hubs.codec, wm8994_eq_controls,
3322                                      ARRAY_SIZE(wm8994_eq_controls));
3323 
3324         for (i = 0; i < ARRAY_SIZE(pdata->micbias); i++) {
3325                 if (pdata->micbias[i]) {
3326                         snd_soc_write(codec, WM8958_MICBIAS1 + i,
3327                                 pdata->micbias[i] & 0xffff);
3328                 }
3329         }
3330 }
3331 
3332 /**
3333  * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ
3334  *
3335  * @codec:   WM8994 codec
3336  * @jack:    jack to report detection events on
3337  * @micbias: microphone bias to detect on
3338  *
3339  * Enable microphone detection via IRQ on the WM8994.  If GPIOs are
3340  * being used to bring out signals to the processor then only platform
3341  * data configuration is needed for WM8994 and processor GPIOs should
3342  * be configured using snd_soc_jack_add_gpios() instead.
3343  *
3344  * Configuration of detection levels is available via the micbias1_lvl
3345  * and micbias2_lvl platform data members.
3346  */
3347 int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3348                       int micbias)
3349 {
3350         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3351         struct wm8994_micdet *micdet;
3352         struct wm8994 *control = wm8994->wm8994;
3353         int reg, ret;
3354 
3355         if (control->type != WM8994) {
3356                 dev_warn(codec->dev, "Not a WM8994\n");
3357                 return -EINVAL;
3358         }
3359 
3360         switch (micbias) {
3361         case 1:
3362                 micdet = &wm8994->micdet[0];
3363                 if (jack)
3364                         ret = snd_soc_dapm_force_enable_pin(&codec->dapm,
3365                                                             "MICBIAS1");
3366                 else
3367                         ret = snd_soc_dapm_disable_pin(&codec->dapm,
3368                                                        "MICBIAS1");
3369                 break;
3370         case 2:
3371                 micdet = &wm8994->micdet[1];
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         default:
3380                 dev_warn(codec->dev, "Invalid MICBIAS %d\n", micbias);
3381                 return -EINVAL;
3382         }
3383 
3384         if (ret != 0)
3385                 dev_warn(codec->dev, "Failed to configure MICBIAS%d: %d\n",
3386                          micbias, ret);
3387 
3388         dev_dbg(codec->dev, "Configuring microphone detection on %d %p\n",
3389                 micbias, jack);
3390 
3391         /* Store the configuration */
3392         micdet->jack = jack;
3393         micdet->detecting = true;
3394 
3395         /* If either of the jacks is set up then enable detection */
3396         if (wm8994->micdet[0].jack || wm8994->micdet[1].jack)
3397                 reg = WM8994_MICD_ENA;
3398         else
3399                 reg = 0;
3400 
3401         snd_soc_update_bits(codec, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
3402 
3403         /* enable MICDET and MICSHRT deboune */
3404         snd_soc_update_bits(codec, WM8994_IRQ_DEBOUNCE,
3405                             WM8994_MIC1_DET_DB_MASK | WM8994_MIC1_SHRT_DB_MASK |
3406                             WM8994_MIC2_DET_DB_MASK | WM8994_MIC2_SHRT_DB_MASK,
3407                             WM8994_MIC1_DET_DB | WM8994_MIC1_SHRT_DB);
3408 
3409         snd_soc_dapm_sync(&codec->dapm);
3410 
3411         return 0;
3412 }
3413 EXPORT_SYMBOL_GPL(wm8994_mic_detect);
3414 
3415 static void wm8994_mic_work(struct work_struct *work)
3416 {
3417         struct wm8994_priv *priv = container_of(work,
3418                                                 struct wm8994_priv,
3419                                                 mic_work.work);
3420         struct regmap *regmap = priv->wm8994->regmap;
3421         struct device *dev = priv->wm8994->dev;
3422         unsigned int reg;
3423         int ret;
3424         int report;
3425 
3426         pm_runtime_get_sync(dev);
3427 
3428         ret = regmap_read(regmap, WM8994_INTERRUPT_RAW_STATUS_2, &reg);
3429         if (ret < 0) {
3430                 dev_err(dev, "Failed to read microphone status: %d\n",
3431                         ret);
3432                 pm_runtime_put(dev);
3433                 return;
3434         }
3435 
3436         dev_dbg(dev, "Microphone status: %x\n", reg);
3437 
3438         report = 0;
3439         if (reg & WM8994_MIC1_DET_STS) {
3440                 if (priv->micdet[0].detecting)
3441                         report = SND_JACK_HEADSET;
3442         }
3443         if (reg & WM8994_MIC1_SHRT_STS) {
3444                 if (priv->micdet[0].detecting)
3445                         report = SND_JACK_HEADPHONE;
3446                 else
3447                         report |= SND_JACK_BTN_0;
3448         }
3449         if (report)
3450                 priv->micdet[0].detecting = false;
3451         else
3452                 priv->micdet[0].detecting = true;
3453 
3454         snd_soc_jack_report(priv->micdet[0].jack, report,
3455                             SND_JACK_HEADSET | SND_JACK_BTN_0);
3456 
3457         report = 0;
3458         if (reg & WM8994_MIC2_DET_STS) {
3459                 if (priv->micdet[1].detecting)
3460                         report = SND_JACK_HEADSET;
3461         }
3462         if (reg & WM8994_MIC2_SHRT_STS) {
3463                 if (priv->micdet[1].detecting)
3464                         report = SND_JACK_HEADPHONE;
3465                 else
3466                         report |= SND_JACK_BTN_0;
3467         }
3468         if (report)
3469                 priv->micdet[1].detecting = false;
3470         else
3471                 priv->micdet[1].detecting = true;
3472 
3473         snd_soc_jack_report(priv->micdet[1].jack, report,
3474                             SND_JACK_HEADSET | SND_JACK_BTN_0);
3475 
3476         pm_runtime_put(dev);
3477 }
3478 
3479 static irqreturn_t wm8994_mic_irq(int irq, void *data)
3480 {
3481         struct wm8994_priv *priv = data;
3482         struct snd_soc_codec *codec = priv->hubs.codec;
3483 
3484 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3485         trace_snd_soc_jack_irq(dev_name(codec->dev));
3486 #endif
3487 
3488         pm_wakeup_event(codec->dev, 300);
3489 
3490         schedule_delayed_work(&priv->mic_work, msecs_to_jiffies(250));
3491 
3492         return IRQ_HANDLED;
3493 }
3494 
3495 static void wm1811_micd_stop(struct snd_soc_codec *codec)
3496 {
3497         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3498 
3499         if (!wm8994->jackdet)
3500                 return;
3501 
3502         mutex_lock(&wm8994->accdet_lock);
3503 
3504         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0);
3505 
3506         wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3507 
3508         mutex_unlock(&wm8994->accdet_lock);
3509 
3510         if (wm8994->wm8994->pdata.jd_ext_cap)
3511                 snd_soc_dapm_disable_pin(&codec->dapm,
3512                                          "MICBIAS2");
3513 }
3514 
3515 static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
3516 {
3517         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3518         int report;
3519 
3520         report = 0;
3521         if (status & 0x4)
3522                 report |= SND_JACK_BTN_0;
3523 
3524         if (status & 0x8)
3525                 report |= SND_JACK_BTN_1;
3526 
3527         if (status & 0x10)
3528                 report |= SND_JACK_BTN_2;
3529 
3530         if (status & 0x20)
3531                 report |= SND_JACK_BTN_3;
3532 
3533         if (status & 0x40)
3534                 report |= SND_JACK_BTN_4;
3535 
3536         if (status & 0x80)
3537                 report |= SND_JACK_BTN_5;
3538 
3539         snd_soc_jack_report(wm8994->micdet[0].jack, report,
3540                             wm8994->btn_mask);
3541 }
3542 
3543 static void wm8958_open_circuit_work(struct work_struct *work)
3544 {
3545         struct wm8994_priv *wm8994 = container_of(work,
3546                                                   struct wm8994_priv,
3547                                                   open_circuit_work.work);
3548         struct device *dev = wm8994->wm8994->dev;
3549 
3550         wm1811_micd_stop(wm8994->hubs.codec);
3551 
3552         mutex_lock(&wm8994->accdet_lock);
3553 
3554         dev_dbg(dev, "Reporting open circuit\n");
3555 
3556         wm8994->jack_mic = false;
3557         wm8994->mic_detecting = true;
3558 
3559         wm8958_micd_set_rate(wm8994->hubs.codec);
3560 
3561         snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3562                             wm8994->btn_mask |
3563                             SND_JACK_HEADSET);
3564 
3565         mutex_unlock(&wm8994->accdet_lock);
3566 }
3567 
3568 static void wm8958_mic_id(void *data, u16 status)
3569 {
3570         struct snd_soc_codec *codec = data;
3571         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3572 
3573         /* Either nothing present or just starting detection */
3574         if (!(status & WM8958_MICD_STS)) {
3575                 /* If nothing present then clear our statuses */
3576                 dev_dbg(codec->dev, "Detected open circuit\n");
3577 
3578                 schedule_delayed_work(&wm8994->open_circuit_work,
3579                                       msecs_to_jiffies(2500));
3580                 return;
3581         }
3582 
3583         /* If the measurement is showing a high impedence we've got a
3584          * microphone.
3585          */
3586         if (status & 0x600) {
3587                 dev_dbg(codec->dev, "Detected microphone\n");
3588 
3589                 wm8994->mic_detecting = false;
3590                 wm8994->jack_mic = true;
3591 
3592                 wm8958_micd_set_rate(codec);
3593 
3594                 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET,
3595                                     SND_JACK_HEADSET);
3596         }
3597 
3598 
3599         if (status & 0xfc) {
3600                 dev_dbg(codec->dev, "Detected headphone\n");
3601                 wm8994->mic_detecting = false;
3602 
3603                 wm8958_micd_set_rate(codec);
3604 
3605                 /* If we have jackdet that will detect removal */
3606                 wm1811_micd_stop(codec);
3607 
3608                 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
3609                                     SND_JACK_HEADSET);
3610         }
3611 }
3612 
3613 /* Deferred mic detection to allow for extra settling time */
3614 static void wm1811_mic_work(struct work_struct *work)
3615 {
3616         struct wm8994_priv *wm8994 = container_of(work, struct wm8994_priv,
3617                                                   mic_work.work);
3618         struct wm8994 *control = wm8994->wm8994;
3619         struct snd_soc_codec *codec = wm8994->hubs.codec;
3620 
3621         pm_runtime_get_sync(codec->dev);
3622 
3623         /* If required for an external cap force MICBIAS on */
3624         if (control->pdata.jd_ext_cap) {
3625                 snd_soc_dapm_force_enable_pin(&codec->dapm,
3626                                               "MICBIAS2");
3627                 snd_soc_dapm_sync(&codec->dapm);
3628         }
3629 
3630         mutex_lock(&wm8994->accdet_lock);
3631 
3632         dev_dbg(codec->dev, "Starting mic detection\n");
3633 
3634         /* Use a user-supplied callback if we have one */
3635         if (wm8994->micd_cb) {
3636                 wm8994->micd_cb(wm8994->micd_cb_data);
3637         } else {
3638                 /*
3639                  * Start off measument of microphone impedence to find out
3640                  * what's actually there.
3641                  */
3642                 wm8994->mic_detecting = true;
3643                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_MIC);
3644 
3645                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3646                                     WM8958_MICD_ENA, WM8958_MICD_ENA);
3647         }
3648 
3649         mutex_unlock(&wm8994->accdet_lock);
3650 
3651         pm_runtime_put(codec->dev);
3652 }
3653 
3654 static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
3655 {
3656         struct wm8994_priv *wm8994 = data;
3657         struct wm8994 *control = wm8994->wm8994;
3658         struct snd_soc_codec *codec = wm8994->hubs.codec;
3659         int reg, delay;
3660         bool present;
3661 
3662         pm_runtime_get_sync(codec->dev);
3663 
3664         cancel_delayed_work_sync(&wm8994->mic_complete_work);
3665 
3666         mutex_lock(&wm8994->accdet_lock);
3667 
3668         reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3669         if (reg < 0) {
3670                 dev_err(codec->dev, "Failed to read jack status: %d\n", reg);
3671                 mutex_unlock(&wm8994->accdet_lock);
3672                 pm_runtime_put(codec->dev);
3673                 return IRQ_NONE;
3674         }
3675 
3676         dev_dbg(codec->dev, "JACKDET %x\n", reg);
3677 
3678         present = reg & WM1811_JACKDET_LVL;
3679 
3680         if (present) {
3681                 dev_dbg(codec->dev, "Jack detected\n");
3682 
3683                 wm8958_micd_set_rate(codec);
3684 
3685                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
3686                                     WM8958_MICB2_DISCH, 0);
3687 
3688                 /* Disable debounce while inserted */
3689                 snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3690                                     WM1811_JACKDET_DB, 0);
3691 
3692                 delay = control->pdata.micdet_delay;
3693                 schedule_delayed_work(&wm8994->mic_work,
3694                                       msecs_to_jiffies(delay));
3695         } else {
3696                 dev_dbg(codec->dev, "Jack not detected\n");
3697 
3698                 cancel_delayed_work_sync(&wm8994->mic_work);
3699 
3700                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
3701                                     WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
3702 
3703                 /* Enable debounce while removed */
3704                 snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3705                                     WM1811_JACKDET_DB, WM1811_JACKDET_DB);
3706 
3707                 wm8994->mic_detecting = false;
3708                 wm8994->jack_mic = false;
3709                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3710                                     WM8958_MICD_ENA, 0);
3711                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3712         }
3713 
3714         mutex_unlock(&wm8994->accdet_lock);
3715 
3716         /* Turn off MICBIAS if it was on for an external cap */
3717         if (control->pdata.jd_ext_cap && !present)
3718                 snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2");
3719 
3720         if (present)
3721                 snd_soc_jack_report(wm8994->micdet[0].jack,
3722                                     SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
3723         else
3724                 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3725                                     SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3726                                     wm8994->btn_mask);
3727 
3728         /* Since we only report deltas force an update, ensures we
3729          * avoid bootstrapping issues with the core. */
3730         snd_soc_jack_report(wm8994->micdet[0].jack, 0, 0);
3731 
3732         pm_runtime_put(codec->dev);
3733         return IRQ_HANDLED;
3734 }
3735 
3736 static void wm1811_jackdet_bootstrap(struct work_struct *work)
3737 {
3738         struct wm8994_priv *wm8994 = container_of(work,
3739                                                 struct wm8994_priv,
3740                                                 jackdet_bootstrap.work);
3741         wm1811_jackdet_irq(0, wm8994);
3742 }
3743 
3744 /**
3745  * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ
3746  *
3747  * @codec:   WM8958 codec
3748  * @jack:    jack to report detection events on
3749  *
3750  * Enable microphone detection functionality for the WM8958.  By
3751  * default simple detection which supports the detection of up to 6
3752  * buttons plus video and microphone functionality is supported.
3753  *
3754  * The WM8958 has an advanced jack detection facility which is able to
3755  * support complex accessory detection, especially when used in
3756  * conjunction with external circuitry.  In order to provide maximum
3757  * flexiblity a callback is provided which allows a completely custom
3758  * detection algorithm.
3759  */
3760 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3761                       wm1811_micdet_cb det_cb, void *det_cb_data,
3762                       wm1811_mic_id_cb id_cb, void *id_cb_data)
3763 {
3764         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3765         struct wm8994 *control = wm8994->wm8994;
3766         u16 micd_lvl_sel;
3767 
3768         switch (control->type) {
3769         case WM1811:
3770         case WM8958:
3771                 break;
3772         default:
3773                 return -EINVAL;
3774         }
3775 
3776         if (jack) {
3777                 snd_soc_dapm_force_enable_pin(&codec->dapm, "CLK_SYS");
3778                 snd_soc_dapm_sync(&codec->dapm);
3779 
3780                 wm8994->micdet[0].jack = jack;
3781 
3782                 if (det_cb) {
3783                         wm8994->micd_cb = det_cb;
3784                         wm8994->micd_cb_data = det_cb_data;
3785                 } else {
3786                         wm8994->mic_detecting = true;
3787                         wm8994->jack_mic = false;
3788                 }
3789 
3790                 if (id_cb) {
3791                         wm8994->mic_id_cb = id_cb;
3792                         wm8994->mic_id_cb_data = id_cb_data;
3793                 } else {
3794                         wm8994->mic_id_cb = wm8958_mic_id;
3795                         wm8994->mic_id_cb_data = codec;
3796                 }
3797 
3798                 wm8958_micd_set_rate(codec);
3799 
3800                 /* Detect microphones and short circuits by default */
3801                 if (control->pdata.micd_lvl_sel)
3802                         micd_lvl_sel = control->pdata.micd_lvl_sel;
3803                 else
3804                         micd_lvl_sel = 0x41;
3805 
3806                 wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
3807                         SND_JACK_BTN_2 | SND_JACK_BTN_3 |
3808                         SND_JACK_BTN_4 | SND_JACK_BTN_5;
3809 
3810                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_2,
3811                                     WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
3812 
3813                 WARN_ON(codec->dapm.bias_level > SND_SOC_BIAS_STANDBY);
3814 
3815                 /*
3816                  * If we can use jack detection start off with that,
3817                  * otherwise jump straight to microphone detection.
3818                  */
3819                 if (wm8994->jackdet) {
3820                         /* Disable debounce for the initial detect */
3821                         snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3822                                             WM1811_JACKDET_DB, 0);
3823 
3824                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
3825                                             WM8958_MICB2_DISCH,
3826                                             WM8958_MICB2_DISCH);
3827                         snd_soc_update_bits(codec, WM8994_LDO_1,
3828                                             WM8994_LDO1_DISCH, 0);
3829                         wm1811_jackdet_set_mode(codec,
3830                                                 WM1811_JACKDET_MODE_JACK);
3831                 } else {
3832                         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3833                                             WM8958_MICD_ENA, WM8958_MICD_ENA);
3834                 }
3835 
3836         } else {
3837                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3838                                     WM8958_MICD_ENA, 0);
3839                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_NONE);
3840                 snd_soc_dapm_disable_pin(&codec->dapm, "CLK_SYS");
3841                 snd_soc_dapm_sync(&codec->dapm);
3842         }
3843 
3844         return 0;
3845 }
3846 EXPORT_SYMBOL_GPL(wm8958_mic_detect);
3847 
3848 static void wm8958_mic_work(struct work_struct *work)
3849 {
3850         struct wm8994_priv *wm8994 = container_of(work,
3851                                                   struct wm8994_priv,
3852                                                   mic_complete_work.work);
3853         struct snd_soc_codec *codec = wm8994->hubs.codec;
3854 
3855         pm_runtime_get_sync(codec->dev);
3856 
3857         mutex_lock(&wm8994->accdet_lock);
3858 
3859         wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
3860 
3861         mutex_unlock(&wm8994->accdet_lock);
3862 
3863         pm_runtime_put(codec->dev);
3864 }
3865 
3866 static irqreturn_t wm8958_mic_irq(int irq, void *data)
3867 {
3868         struct wm8994_priv *wm8994 = data;
3869         struct snd_soc_codec *codec = wm8994->hubs.codec;
3870         int reg, count, ret, id_delay;
3871 
3872         /*
3873          * Jack detection may have detected a removal simulataneously
3874          * with an update of the MICDET status; if so it will have
3875          * stopped detection and we can ignore this interrupt.
3876          */
3877         if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
3878                 return IRQ_HANDLED;
3879 
3880         cancel_delayed_work_sync(&wm8994->mic_complete_work);
3881         cancel_delayed_work_sync(&wm8994->open_circuit_work);
3882 
3883         pm_runtime_get_sync(codec->dev);
3884 
3885         /* We may occasionally read a detection without an impedence
3886          * range being provided - if that happens loop again.
3887          */
3888         count = 10;
3889         do {
3890                 reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
3891                 if (reg < 0) {
3892                         dev_err(codec->dev,
3893                                 "Failed to read mic detect status: %d\n",
3894                                 reg);
3895                         pm_runtime_put(codec->dev);
3896                         return IRQ_NONE;
3897                 }
3898 
3899                 if (!(reg & WM8958_MICD_VALID)) {
3900                         dev_dbg(codec->dev, "Mic detect data not valid\n");
3901                         goto out;
3902                 }
3903 
3904                 if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
3905                         break;
3906 
3907                 msleep(1);
3908         } while (count--);
3909 
3910         if (count == 0)
3911                 dev_warn(codec->dev, "No impedance range reported for jack\n");
3912 
3913 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3914         trace_snd_soc_jack_irq(dev_name(codec->dev));
3915 #endif
3916 
3917         /* Avoid a transient report when the accessory is being removed */
3918         if (wm8994->jackdet) {
3919                 ret = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3920                 if (ret < 0) {
3921                         dev_err(codec->dev, "Failed to read jack status: %d\n",
3922                                 ret);
3923                 } else if (!(ret & WM1811_JACKDET_LVL)) {
3924                         dev_dbg(codec->dev, "Ignoring removed jack\n");
3925                         goto out;
3926                 }
3927         } else if (!(reg & WM8958_MICD_STS)) {
3928                 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3929                                     SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3930                                     wm8994->btn_mask);
3931                 wm8994->mic_detecting = true;
3932                 goto out;
3933         }
3934 
3935         wm8994->mic_status = reg;
3936         id_delay = wm8994->wm8994->pdata.mic_id_delay;
3937 
3938         if (wm8994->mic_detecting)
3939                 schedule_delayed_work(&wm8994->mic_complete_work,
3940                                       msecs_to_jiffies(id_delay));
3941         else
3942                 wm8958_button_det(codec, reg);
3943 
3944 out:
3945         pm_runtime_put(codec->dev);
3946         return IRQ_HANDLED;
3947 }
3948 
3949 static irqreturn_t wm8994_fifo_error(int irq, void *data)
3950 {
3951         struct snd_soc_codec *codec = data;
3952 
3953         dev_err(codec->dev, "FIFO error\n");
3954 
3955         return IRQ_HANDLED;
3956 }
3957 
3958 static irqreturn_t wm8994_temp_warn(int irq, void *data)
3959 {
3960         struct snd_soc_codec *codec = data;
3961 
3962         dev_err(codec->dev, "Thermal warning\n");
3963 
3964         return IRQ_HANDLED;
3965 }
3966 
3967 static irqreturn_t wm8994_temp_shut(int irq, void *data)
3968 {
3969         struct snd_soc_codec *codec = data;
3970 
3971         dev_crit(codec->dev, "Thermal shutdown\n");
3972 
3973         return IRQ_HANDLED;
3974 }
3975 
3976 static int wm8994_codec_probe(struct snd_soc_codec *codec)
3977 {
3978         struct wm8994 *control = dev_get_drvdata(codec->dev->parent);
3979         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3980         struct snd_soc_dapm_context *dapm = &codec->dapm;
3981         unsigned int reg;
3982         int ret, i;
3983 
3984         wm8994->hubs.codec = codec;
3985         codec->control_data = control->regmap;
3986 
3987         snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
3988 
3989         mutex_init(&wm8994->accdet_lock);
3990         INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
3991                           wm1811_jackdet_bootstrap);
3992         INIT_DELAYED_WORK(&wm8994->open_circuit_work,
3993                           wm8958_open_circuit_work);
3994 
3995         switch (control->type) {
3996         case WM8994:
3997                 INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
3998                 break;
3999         case WM1811:
4000                 INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
4001                 break;
4002         default:
4003                 break;
4004         }
4005 
4006         INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
4007 
4008         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4009                 init_completion(&wm8994->fll_locked[i]);
4010 
4011         wm8994->micdet_irq = control->pdata.micdet_irq;
4012 
4013         pm_runtime_enable(codec->dev);
4014         pm_runtime_idle(codec->dev);
4015 
4016         /* By default use idle_bias_off, will override for WM8994 */
4017         codec->dapm.idle_bias_off = 1;
4018 
4019         /* Set revision-specific configuration */
4020         switch (control->type) {
4021         case WM8994:
4022                 /* Single ended line outputs should have VMID on. */
4023                 if (!control->pdata.lineout1_diff ||
4024                     !control->pdata.lineout2_diff)
4025                         codec->dapm.idle_bias_off = 0;
4026 
4027                 switch (control->revision) {
4028                 case 2:
4029                 case 3:
4030                         wm8994->hubs.dcs_codes_l = -5;
4031                         wm8994->hubs.dcs_codes_r = -5;
4032                         wm8994->hubs.hp_startup_mode = 1;
4033                         wm8994->hubs.dcs_readback_mode = 1;
4034                         wm8994->hubs.series_startup = 1;
4035                         break;
4036                 default:
4037                         wm8994->hubs.dcs_readback_mode = 2;
4038                         break;
4039                 }
4040                 break;
4041 
4042         case WM8958:
4043                 wm8994->hubs.dcs_readback_mode = 1;
4044                 wm8994->hubs.hp_startup_mode = 1;
4045 
4046                 switch (control->revision) {
4047                 case 0:
4048                         break;
4049                 default:
4050                         wm8994->fll_byp = true;
4051                         break;
4052                 }
4053                 break;
4054 
4055         case WM1811:
4056                 wm8994->hubs.dcs_readback_mode = 2;
4057                 wm8994->hubs.no_series_update = 1;
4058                 wm8994->hubs.hp_startup_mode = 1;
4059                 wm8994->hubs.no_cache_dac_hp_direct = true;
4060                 wm8994->fll_byp = true;
4061 
4062                 wm8994->hubs.dcs_codes_l = -9;
4063                 wm8994->hubs.dcs_codes_r = -7;
4064 
4065                 snd_soc_update_bits(codec, WM8994_ANALOGUE_HP_1,
4066                                     WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
4067                 break;
4068 
4069         default:
4070                 break;
4071         }
4072 
4073         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR,
4074                            wm8994_fifo_error, "FIFO error", codec);
4075         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
4076                            wm8994_temp_warn, "Thermal warning", codec);
4077         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
4078                            wm8994_temp_shut, "Thermal shutdown", codec);
4079 
4080         ret = wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4081                                  wm_hubs_dcs_done, "DC servo done",
4082                                  &wm8994->hubs);
4083         if (ret == 0)
4084                 wm8994->hubs.dcs_done_irq = true;
4085 
4086         switch (control->type) {
4087         case WM8994:
4088                 if (wm8994->micdet_irq) {
4089                         ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4090                                                    wm8994_mic_irq,
4091                                                    IRQF_TRIGGER_RISING,
4092                                                    "Mic1 detect",
4093                                                    wm8994);
4094                         if (ret != 0)
4095                                 dev_warn(codec->dev,
4096                                          "Failed to request Mic1 detect IRQ: %d\n",
4097                                          ret);
4098                 }
4099 
4100                 ret = wm8994_request_irq(wm8994->wm8994,
4101                                          WM8994_IRQ_MIC1_SHRT,
4102                                          wm8994_mic_irq, "Mic 1 short",
4103                                          wm8994);
4104                 if (ret != 0)
4105                         dev_warn(codec->dev,
4106                                  "Failed to request Mic1 short IRQ: %d\n",
4107                                  ret);
4108 
4109                 ret = wm8994_request_irq(wm8994->wm8994,
4110                                          WM8994_IRQ_MIC2_DET,
4111                                          wm8994_mic_irq, "Mic 2 detect",
4112                                          wm8994);
4113                 if (ret != 0)
4114                         dev_warn(codec->dev,
4115                                  "Failed to request Mic2 detect IRQ: %d\n",
4116                                  ret);
4117 
4118                 ret = wm8994_request_irq(wm8994->wm8994,
4119                                          WM8994_IRQ_MIC2_SHRT,
4120                                          wm8994_mic_irq, "Mic 2 short",
4121                                          wm8994);
4122                 if (ret != 0)
4123                         dev_warn(codec->dev,
4124                                  "Failed to request Mic2 short IRQ: %d\n",
4125                                  ret);
4126                 break;
4127 
4128         case WM8958:
4129         case WM1811:
4130                 if (wm8994->micdet_irq) {
4131                         ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4132                                                    wm8958_mic_irq,
4133                                                    IRQF_TRIGGER_RISING,
4134                                                    "Mic detect",
4135                                                    wm8994);
4136                         if (ret != 0)
4137                                 dev_warn(codec->dev,
4138                                          "Failed to request Mic detect IRQ: %d\n",
4139                                          ret);
4140                 } else {
4141                         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4142                                            wm8958_mic_irq, "Mic detect",
4143                                            wm8994);
4144                 }
4145         }
4146 
4147         switch (control->type) {
4148         case WM1811:
4149                 if (control->cust_id > 1 || control->revision > 1) {
4150                         ret = wm8994_request_irq(wm8994->wm8994,
4151                                                  WM8994_IRQ_GPIO(6),
4152                                                  wm1811_jackdet_irq, "JACKDET",
4153                                                  wm8994);
4154                         if (ret == 0)
4155                                 wm8994->jackdet = true;
4156                 }
4157                 break;
4158         default:
4159                 break;
4160         }
4161 
4162         wm8994->fll_locked_irq = true;
4163         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
4164                 ret = wm8994_request_irq(wm8994->wm8994,
4165                                          WM8994_IRQ_FLL1_LOCK + i,
4166                                          wm8994_fll_locked_irq, "FLL lock",
4167                                          &wm8994->fll_locked[i]);
4168                 if (ret != 0)
4169                         wm8994->fll_locked_irq = false;
4170         }
4171 
4172         /* Make sure we can read from the GPIOs if they're inputs */
4173         pm_runtime_get_sync(codec->dev);
4174 
4175         /* Remember if AIFnLRCLK is configured as a GPIO.  This should be
4176          * configured on init - if a system wants to do this dynamically
4177          * at runtime we can deal with that then.
4178          */
4179         ret = regmap_read(control->regmap, WM8994_GPIO_1, &reg);
4180         if (ret < 0) {
4181                 dev_err(codec->dev, "Failed to read GPIO1 state: %d\n", ret);
4182                 goto err_irq;
4183         }
4184         if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4185                 wm8994->lrclk_shared[0] = 1;
4186                 wm8994_dai[0].symmetric_rates = 1;
4187         } else {
4188                 wm8994->lrclk_shared[0] = 0;
4189         }
4190 
4191         ret = regmap_read(control->regmap, WM8994_GPIO_6, &reg);
4192         if (ret < 0) {
4193                 dev_err(codec->dev, "Failed to read GPIO6 state: %d\n", ret);
4194                 goto err_irq;
4195         }
4196         if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4197                 wm8994->lrclk_shared[1] = 1;
4198                 wm8994_dai[1].symmetric_rates = 1;
4199         } else {
4200                 wm8994->lrclk_shared[1] = 0;
4201         }
4202 
4203         pm_runtime_put(codec->dev);
4204 
4205         /* Latch volume update bits */
4206         for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
4207                 snd_soc_update_bits(codec, wm8994_vu_bits[i].reg,
4208                                     wm8994_vu_bits[i].mask,
4209                                     wm8994_vu_bits[i].mask);
4210 
4211         /* Set the low bit of the 3D stereo depth so TLV matches */
4212         snd_soc_update_bits(codec, WM8994_AIF1_DAC1_FILTERS_2,
4213                             1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT,
4214                             1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT);
4215         snd_soc_update_bits(codec, WM8994_AIF1_DAC2_FILTERS_2,
4216                             1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT,
4217                             1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT);
4218         snd_soc_update_bits(codec, WM8994_AIF2_DAC_FILTERS_2,
4219                             1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
4220                             1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
4221 
4222         /* Unconditionally enable AIF1 ADC TDM mode on chips which can
4223          * use this; it only affects behaviour on idle TDM clock
4224          * cycles. */
4225         switch (control->type) {
4226         case WM8994:
4227         case WM8958:
4228                 snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
4229                                     WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
4230                 break;
4231         default:
4232                 break;
4233         }
4234 
4235         /* Put MICBIAS into bypass mode by default on newer devices */
4236         switch (control->type) {
4237         case WM8958:
4238         case WM1811:
4239                 snd_soc_update_bits(codec, WM8958_MICBIAS1,
4240                                     WM8958_MICB1_MODE, WM8958_MICB1_MODE);
4241                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
4242                                     WM8958_MICB2_MODE, WM8958_MICB2_MODE);
4243                 break;
4244         default:
4245                 break;
4246         }
4247 
4248         wm8994->hubs.check_class_w_digital = wm8994_check_class_w_digital;
4249         wm_hubs_update_class_w(codec);
4250 
4251         wm8994_handle_pdata(wm8994);
4252 
4253         wm_hubs_add_analogue_controls(codec);
4254         snd_soc_add_codec_controls(codec, wm8994_snd_controls,
4255                              ARRAY_SIZE(wm8994_snd_controls));
4256         snd_soc_dapm_new_controls(dapm, wm8994_dapm_widgets,
4257                                   ARRAY_SIZE(wm8994_dapm_widgets));
4258 
4259         switch (control->type) {
4260         case WM8994:
4261                 snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
4262                                           ARRAY_SIZE(wm8994_specific_dapm_widgets));
4263                 if (control->revision < 4) {
4264                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4265                                                   ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4266                         snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4267                                                   ARRAY_SIZE(wm8994_adc_revd_widgets));
4268                         snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4269                                                   ARRAY_SIZE(wm8994_dac_revd_widgets));
4270                 } else {
4271                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4272                                                   ARRAY_SIZE(wm8994_lateclk_widgets));
4273                         snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4274                                                   ARRAY_SIZE(wm8994_adc_widgets));
4275                         snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4276                                                   ARRAY_SIZE(wm8994_dac_widgets));
4277                 }
4278                 break;
4279         case WM8958:
4280                 snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4281                                      ARRAY_SIZE(wm8958_snd_controls));
4282                 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4283                                           ARRAY_SIZE(wm8958_dapm_widgets));
4284                 if (control->revision < 1) {
4285                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4286                                                   ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4287                         snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4288                                                   ARRAY_SIZE(wm8994_adc_revd_widgets));
4289                         snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4290                                                   ARRAY_SIZE(wm8994_dac_revd_widgets));
4291                 } else {
4292                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4293                                                   ARRAY_SIZE(wm8994_lateclk_widgets));
4294                         snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4295                                                   ARRAY_SIZE(wm8994_adc_widgets));
4296                         snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4297                                                   ARRAY_SIZE(wm8994_dac_widgets));
4298                 }
4299                 break;
4300 
4301         case WM1811:
4302                 snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4303                                      ARRAY_SIZE(wm8958_snd_controls));
4304                 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4305                                           ARRAY_SIZE(wm8958_dapm_widgets));
4306                 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4307                                           ARRAY_SIZE(wm8994_lateclk_widgets));
4308                 snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4309                                           ARRAY_SIZE(wm8994_adc_widgets));
4310                 snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4311                                           ARRAY_SIZE(wm8994_dac_widgets));
4312                 break;
4313         }
4314 
4315         wm_hubs_add_analogue_routes(codec, 0, 0);
4316         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
4317 
4318         switch (control->type) {
4319         case WM8994:
4320                 snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4321                                         ARRAY_SIZE(wm8994_intercon));
4322 
4323                 if (control->revision < 4) {
4324                         snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4325                                                 ARRAY_SIZE(wm8994_revd_intercon));
4326                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4327                                                 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4328                 } else {
4329                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4330                                                 ARRAY_SIZE(wm8994_lateclk_intercon));
4331                 }
4332                 break;
4333         case WM8958:
4334                 if (control->revision < 1) {
4335                         snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4336                                                 ARRAY_SIZE(wm8994_intercon));
4337                         snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4338                                                 ARRAY_SIZE(wm8994_revd_intercon));
4339                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4340                                                 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4341                 } else {
4342                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4343                                                 ARRAY_SIZE(wm8994_lateclk_intercon));
4344                         snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4345                                                 ARRAY_SIZE(wm8958_intercon));
4346                 }
4347 
4348                 wm8958_dsp2_init(codec);
4349                 break;
4350         case WM1811:
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                 break;
4356         }
4357 
4358         return 0;
4359 
4360 err_irq:
4361         if (wm8994->jackdet)
4362                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4363         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_SHRT, wm8994);
4364         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET, wm8994);
4365         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT, wm8994);
4366         if (wm8994->micdet_irq)
4367                 free_irq(wm8994->micdet_irq, wm8994);
4368         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4369                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4370                                 &wm8994->fll_locked[i]);
4371         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4372                         &wm8994->hubs);
4373         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4374         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4375         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4376 
4377         return ret;
4378 }
4379 
4380 static int wm8994_codec_remove(struct snd_soc_codec *codec)
4381 {
4382         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
4383         struct wm8994 *control = wm8994->wm8994;
4384         int i;
4385 
4386         wm8994_set_bias_level(codec, SND_SOC_BIAS_OFF);
4387 
4388         pm_runtime_disable(codec->dev);
4389 
4390         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4391                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4392                                 &wm8994->fll_locked[i]);
4393 
4394         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4395                         &wm8994->hubs);
4396         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4397         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4398         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4399 
4400         if (wm8994->jackdet)
4401                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4402 
4403         switch (control->type) {
4404         case WM8994:
4405                 if (wm8994->micdet_irq)
4406                         free_irq(wm8994->micdet_irq, wm8994);
4407                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET,
4408                                 wm8994);
4409                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT,
4410                                 wm8994);
4411                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4412                                 wm8994);
4413                 break;
4414 
4415         case WM1811:
4416         case WM8958:
4417                 if (wm8994->micdet_irq)
4418                         free_irq(wm8994->micdet_irq, wm8994);
4419                 break;
4420         }
4421         release_firmware(wm8994->mbc);
4422         release_firmware(wm8994->mbc_vss);
4423         release_firmware(wm8994->enh_eq);
4424         kfree(wm8994->retune_mobile_texts);
4425         return 0;
4426 }
4427 
4428 static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
4429         .probe =        wm8994_codec_probe,
4430         .remove =       wm8994_codec_remove,
4431         .suspend =      wm8994_codec_suspend,
4432         .resume =       wm8994_codec_resume,
4433         .set_bias_level = wm8994_set_bias_level,
4434 };
4435 
4436 static int wm8994_probe(struct platform_device *pdev)
4437 {
4438         struct wm8994_priv *wm8994;
4439 
4440         wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv),
4441                               GFP_KERNEL);
4442         if (wm8994 == NULL)
4443                 return -ENOMEM;
4444         platform_set_drvdata(pdev, wm8994);
4445 
4446         wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
4447 
4448         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8994,
4449                         wm8994_dai, ARRAY_SIZE(wm8994_dai));
4450 }
4451 
4452 static int wm8994_remove(struct platform_device *pdev)
4453 {
4454         snd_soc_unregister_codec(&pdev->dev);
4455         return 0;
4456 }
4457 
4458 #ifdef CONFIG_PM_SLEEP
4459 static int wm8994_suspend(struct device *dev)
4460 {
4461         struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4462 
4463         /* Drop down to power saving mode when system is suspended */
4464         if (wm8994->jackdet && !wm8994->active_refcount)
4465                 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4466                                    WM1811_JACKDET_MODE_MASK,
4467                                    wm8994->jackdet_mode);
4468 
4469         return 0;
4470 }
4471 
4472 static int wm8994_resume(struct device *dev)
4473 {
4474         struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4475 
4476         if (wm8994->jackdet && wm8994->jackdet_mode)
4477                 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4478                                    WM1811_JACKDET_MODE_MASK,
4479                                    WM1811_JACKDET_MODE_AUDIO);
4480 
4481         return 0;
4482 }
4483 #endif
4484 
4485 static const struct dev_pm_ops wm8994_pm_ops = {
4486         SET_SYSTEM_SLEEP_PM_OPS(wm8994_suspend, wm8994_resume)
4487 };
4488 
4489 static struct platform_driver wm8994_codec_driver = {
4490         .driver = {
4491                 .name = "wm8994-codec",
4492                 .owner = THIS_MODULE,
4493                 .pm = &wm8994_pm_ops,
4494         },
4495         .probe = wm8994_probe,
4496         .remove = wm8994_remove,
4497 };
4498 
4499 module_platform_driver(wm8994_codec_driver);
4500 
4501 MODULE_DESCRIPTION("ASoC WM8994 driver");
4502 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
4503 MODULE_LICENSE("GPL");
4504 MODULE_ALIAS("platform:wm8994-codec");
4505 

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