Version:  2.0.40 2.2.26 2.4.37 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5

Linux/sound/soc/codecs/wm8994.c

  1 /*
  2  * wm8994.c  --  WM8994 ALSA SoC Audio driver
  3  *
  4  * Copyright 2009-12 Wolfson Microelectronics plc
  5  *
  6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
  7  *
  8  *
  9  * This program is free software; you can redistribute it and/or modify
 10  * it under the terms of the GNU General Public License version 2 as
 11  * published by the Free Software Foundation.
 12  */
 13 
 14 #include <linux/module.h>
 15 #include <linux/moduleparam.h>
 16 #include <linux/init.h>
 17 #include <linux/delay.h>
 18 #include <linux/pm.h>
 19 #include <linux/gcd.h>
 20 #include <linux/i2c.h>
 21 #include <linux/platform_device.h>
 22 #include <linux/pm_runtime.h>
 23 #include <linux/regulator/consumer.h>
 24 #include <linux/slab.h>
 25 #include <sound/core.h>
 26 #include <sound/jack.h>
 27 #include <sound/pcm.h>
 28 #include <sound/pcm_params.h>
 29 #include <sound/soc.h>
 30 #include <sound/initval.h>
 31 #include <sound/tlv.h>
 32 #include <trace/events/asoc.h>
 33 
 34 #include <linux/mfd/wm8994/core.h>
 35 #include <linux/mfd/wm8994/registers.h>
 36 #include <linux/mfd/wm8994/pdata.h>
 37 #include <linux/mfd/wm8994/gpio.h>
 38 
 39 #include "wm8994.h"
 40 #include "wm_hubs.h"
 41 
 42 #define WM1811_JACKDET_MODE_NONE  0x0000
 43 #define WM1811_JACKDET_MODE_JACK  0x0100
 44 #define WM1811_JACKDET_MODE_MIC   0x0080
 45 #define WM1811_JACKDET_MODE_AUDIO 0x0180
 46 
 47 #define WM8994_NUM_DRC 3
 48 #define WM8994_NUM_EQ  3
 49 
 50 static struct {
 51         unsigned int reg;
 52         unsigned int mask;
 53 } wm8994_vu_bits[] = {
 54         { WM8994_LEFT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
 55         { WM8994_RIGHT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
 56         { WM8994_LEFT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
 57         { WM8994_RIGHT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
 58         { WM8994_SPEAKER_VOLUME_LEFT, WM8994_SPKOUT_VU },
 59         { WM8994_SPEAKER_VOLUME_RIGHT, WM8994_SPKOUT_VU },
 60         { WM8994_LEFT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
 61         { WM8994_RIGHT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
 62         { WM8994_LEFT_OPGA_VOLUME, WM8994_MIXOUT_VU },
 63         { WM8994_RIGHT_OPGA_VOLUME, WM8994_MIXOUT_VU },
 64 
 65         { WM8994_AIF1_DAC1_LEFT_VOLUME, WM8994_AIF1DAC1_VU },
 66         { WM8994_AIF1_DAC1_RIGHT_VOLUME, WM8994_AIF1DAC1_VU },
 67         { WM8994_AIF1_DAC2_LEFT_VOLUME, WM8994_AIF1DAC2_VU },
 68         { WM8994_AIF1_DAC2_RIGHT_VOLUME, WM8994_AIF1DAC2_VU },
 69         { WM8994_AIF2_DAC_LEFT_VOLUME, WM8994_AIF2DAC_VU },
 70         { WM8994_AIF2_DAC_RIGHT_VOLUME, WM8994_AIF2DAC_VU },
 71         { WM8994_AIF1_ADC1_LEFT_VOLUME, WM8994_AIF1ADC1_VU },
 72         { WM8994_AIF1_ADC1_RIGHT_VOLUME, WM8994_AIF1ADC1_VU },
 73         { WM8994_AIF1_ADC2_LEFT_VOLUME, WM8994_AIF1ADC2_VU },
 74         { WM8994_AIF1_ADC2_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
 75         { WM8994_AIF2_ADC_LEFT_VOLUME, WM8994_AIF2ADC_VU },
 76         { WM8994_AIF2_ADC_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
 77         { WM8994_DAC1_LEFT_VOLUME, WM8994_DAC1_VU },
 78         { WM8994_DAC1_RIGHT_VOLUME, WM8994_DAC1_VU },
 79         { WM8994_DAC2_LEFT_VOLUME, WM8994_DAC2_VU },
 80         { WM8994_DAC2_RIGHT_VOLUME, WM8994_DAC2_VU },
 81 };
 82 
 83 static int wm8994_drc_base[] = {
 84         WM8994_AIF1_DRC1_1,
 85         WM8994_AIF1_DRC2_1,
 86         WM8994_AIF2_DRC_1,
 87 };
 88 
 89 static int wm8994_retune_mobile_base[] = {
 90         WM8994_AIF1_DAC1_EQ_GAINS_1,
 91         WM8994_AIF1_DAC2_EQ_GAINS_1,
 92         WM8994_AIF2_EQ_GAINS_1,
 93 };
 94 
 95 static const struct wm8958_micd_rate micdet_rates[] = {
 96         { 32768,       true,  1, 4 },
 97         { 32768,       false, 1, 1 },
 98         { 44100 * 256, true,  7, 10 },
 99         { 44100 * 256, false, 7, 10 },
100 };
101 
102 static const struct wm8958_micd_rate jackdet_rates[] = {
103         { 32768,       true,  0, 1 },
104         { 32768,       false, 0, 1 },
105         { 44100 * 256, true,  10, 10 },
106         { 44100 * 256, false, 7, 8 },
107 };
108 
109 static void wm8958_micd_set_rate(struct snd_soc_codec *codec)
110 {
111         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
112         struct wm8994 *control = wm8994->wm8994;
113         int best, i, sysclk, val;
114         bool idle;
115         const struct wm8958_micd_rate *rates;
116         int num_rates;
117 
118         idle = !wm8994->jack_mic;
119 
120         sysclk = snd_soc_read(codec, WM8994_CLOCKING_1);
121         if (sysclk & WM8994_SYSCLK_SRC)
122                 sysclk = wm8994->aifclk[1];
123         else
124                 sysclk = wm8994->aifclk[0];
125 
126         if (control->pdata.micd_rates) {
127                 rates = control->pdata.micd_rates;
128                 num_rates = control->pdata.num_micd_rates;
129         } else if (wm8994->jackdet) {
130                 rates = jackdet_rates;
131                 num_rates = ARRAY_SIZE(jackdet_rates);
132         } else {
133                 rates = micdet_rates;
134                 num_rates = ARRAY_SIZE(micdet_rates);
135         }
136 
137         best = 0;
138         for (i = 0; i < num_rates; i++) {
139                 if (rates[i].idle != idle)
140                         continue;
141                 if (abs(rates[i].sysclk - sysclk) <
142                     abs(rates[best].sysclk - sysclk))
143                         best = i;
144                 else if (rates[best].idle != idle)
145                         best = i;
146         }
147 
148         val = rates[best].start << WM8958_MICD_BIAS_STARTTIME_SHIFT
149                 | rates[best].rate << WM8958_MICD_RATE_SHIFT;
150 
151         dev_dbg(codec->dev, "MICD rate %d,%d for %dHz %s\n",
152                 rates[best].start, rates[best].rate, sysclk,
153                 idle ? "idle" : "active");
154 
155         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
156                             WM8958_MICD_BIAS_STARTTIME_MASK |
157                             WM8958_MICD_RATE_MASK, val);
158 }
159 
160 static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
161 {
162         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
163         int rate;
164         int reg1 = 0;
165         int offset;
166 
167         if (aif)
168                 offset = 4;
169         else
170                 offset = 0;
171 
172         switch (wm8994->sysclk[aif]) {
173         case WM8994_SYSCLK_MCLK1:
174                 rate = wm8994->mclk[0];
175                 break;
176 
177         case WM8994_SYSCLK_MCLK2:
178                 reg1 |= 0x8;
179                 rate = wm8994->mclk[1];
180                 break;
181 
182         case WM8994_SYSCLK_FLL1:
183                 reg1 |= 0x10;
184                 rate = wm8994->fll[0].out;
185                 break;
186 
187         case WM8994_SYSCLK_FLL2:
188                 reg1 |= 0x18;
189                 rate = wm8994->fll[1].out;
190                 break;
191 
192         default:
193                 return -EINVAL;
194         }
195 
196         if (rate >= 13500000) {
197                 rate /= 2;
198                 reg1 |= WM8994_AIF1CLK_DIV;
199 
200                 dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
201                         aif + 1, rate);
202         }
203 
204         wm8994->aifclk[aif] = rate;
205 
206         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset,
207                             WM8994_AIF1CLK_SRC_MASK | WM8994_AIF1CLK_DIV,
208                             reg1);
209 
210         return 0;
211 }
212 
213 static int configure_clock(struct snd_soc_codec *codec)
214 {
215         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
216         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
217         int change, new;
218 
219         /* Bring up the AIF clocks first */
220         configure_aif_clock(codec, 0);
221         configure_aif_clock(codec, 1);
222 
223         /* Then switch CLK_SYS over to the higher of them; a change
224          * can only happen as a result of a clocking change which can
225          * only be made outside of DAPM so we can safely redo the
226          * clocking.
227          */
228 
229         /* If they're equal it doesn't matter which is used */
230         if (wm8994->aifclk[0] == wm8994->aifclk[1]) {
231                 wm8958_micd_set_rate(codec);
232                 return 0;
233         }
234 
235         if (wm8994->aifclk[0] < wm8994->aifclk[1])
236                 new = WM8994_SYSCLK_SRC;
237         else
238                 new = 0;
239 
240         change = snd_soc_update_bits(codec, WM8994_CLOCKING_1,
241                                      WM8994_SYSCLK_SRC, new);
242         if (change)
243                 snd_soc_dapm_sync(dapm);
244 
245         wm8958_micd_set_rate(codec);
246 
247         return 0;
248 }
249 
250 static int check_clk_sys(struct snd_soc_dapm_widget *source,
251                          struct snd_soc_dapm_widget *sink)
252 {
253         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
254         int reg = snd_soc_read(codec, WM8994_CLOCKING_1);
255         const char *clk;
256 
257         /* Check what we're currently using for CLK_SYS */
258         if (reg & WM8994_SYSCLK_SRC)
259                 clk = "AIF2CLK";
260         else
261                 clk = "AIF1CLK";
262 
263         return strcmp(source->name, clk) == 0;
264 }
265 
266 static const char *sidetone_hpf_text[] = {
267         "2.7kHz", "1.35kHz", "675Hz", "370Hz", "180Hz", "90Hz", "45Hz"
268 };
269 
270 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
271                             WM8994_SIDETONE, 7, sidetone_hpf_text);
272 
273 static const char *adc_hpf_text[] = {
274         "HiFi", "Voice 1", "Voice 2", "Voice 3"
275 };
276 
277 static SOC_ENUM_SINGLE_DECL(aif1adc1_hpf,
278                             WM8994_AIF1_ADC1_FILTERS, 13, adc_hpf_text);
279 
280 static SOC_ENUM_SINGLE_DECL(aif1adc2_hpf,
281                             WM8994_AIF1_ADC2_FILTERS, 13, adc_hpf_text);
282 
283 static SOC_ENUM_SINGLE_DECL(aif2adc_hpf,
284                             WM8994_AIF2_ADC_FILTERS, 13, adc_hpf_text);
285 
286 static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0);
287 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
288 static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0);
289 static const DECLARE_TLV_DB_SCALE(wm8994_3d_tlv, -1600, 183, 0);
290 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
291 static const DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
292 static const DECLARE_TLV_DB_SCALE(mixin_boost_tlv, 0, 900, 0);
293 
294 #define WM8994_DRC_SWITCH(xname, reg, shift) \
295         SOC_SINGLE_EXT(xname, reg, shift, 1, 0, \
296                 snd_soc_get_volsw, wm8994_put_drc_sw)
297 
298 static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol,
299                              struct snd_ctl_elem_value *ucontrol)
300 {
301         struct soc_mixer_control *mc =
302                 (struct soc_mixer_control *)kcontrol->private_value;
303         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
304         int mask, ret;
305 
306         /* Can't enable both ADC and DAC paths simultaneously */
307         if (mc->shift == WM8994_AIF1DAC1_DRC_ENA_SHIFT)
308                 mask = WM8994_AIF1ADC1L_DRC_ENA_MASK |
309                         WM8994_AIF1ADC1R_DRC_ENA_MASK;
310         else
311                 mask = WM8994_AIF1DAC1_DRC_ENA_MASK;
312 
313         ret = snd_soc_read(codec, mc->reg);
314         if (ret < 0)
315                 return ret;
316         if (ret & mask)
317                 return -EINVAL;
318 
319         return snd_soc_put_volsw(kcontrol, ucontrol);
320 }
321 
322 static void wm8994_set_drc(struct snd_soc_codec *codec, int drc)
323 {
324         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
325         struct wm8994 *control = wm8994->wm8994;
326         struct wm8994_pdata *pdata = &control->pdata;
327         int base = wm8994_drc_base[drc];
328         int cfg = wm8994->drc_cfg[drc];
329         int save, i;
330 
331         /* Save any enables; the configuration should clear them. */
332         save = snd_soc_read(codec, base);
333         save &= WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
334                 WM8994_AIF1ADC1R_DRC_ENA;
335 
336         for (i = 0; i < WM8994_DRC_REGS; i++)
337                 snd_soc_update_bits(codec, base + i, 0xffff,
338                                     pdata->drc_cfgs[cfg].regs[i]);
339 
340         snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_DRC_ENA |
341                              WM8994_AIF1ADC1L_DRC_ENA |
342                              WM8994_AIF1ADC1R_DRC_ENA, save);
343 }
344 
345 /* Icky as hell but saves code duplication */
346 static int wm8994_get_drc(const char *name)
347 {
348         if (strcmp(name, "AIF1DRC1 Mode") == 0)
349                 return 0;
350         if (strcmp(name, "AIF1DRC2 Mode") == 0)
351                 return 1;
352         if (strcmp(name, "AIF2DRC Mode") == 0)
353                 return 2;
354         return -EINVAL;
355 }
356 
357 static int wm8994_put_drc_enum(struct snd_kcontrol *kcontrol,
358                                struct snd_ctl_elem_value *ucontrol)
359 {
360         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
361         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
362         struct wm8994 *control = wm8994->wm8994;
363         struct wm8994_pdata *pdata = &control->pdata;
364         int drc = wm8994_get_drc(kcontrol->id.name);
365         int value = ucontrol->value.enumerated.item[0];
366 
367         if (drc < 0)
368                 return drc;
369 
370         if (value >= pdata->num_drc_cfgs)
371                 return -EINVAL;
372 
373         wm8994->drc_cfg[drc] = value;
374 
375         wm8994_set_drc(codec, drc);
376 
377         return 0;
378 }
379 
380 static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol,
381                                struct snd_ctl_elem_value *ucontrol)
382 {
383         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
384         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
385         int drc = wm8994_get_drc(kcontrol->id.name);
386 
387         if (drc < 0)
388                 return drc;
389         ucontrol->value.enumerated.item[0] = wm8994->drc_cfg[drc];
390 
391         return 0;
392 }
393 
394 static void wm8994_set_retune_mobile(struct snd_soc_codec *codec, int block)
395 {
396         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
397         struct wm8994 *control = wm8994->wm8994;
398         struct wm8994_pdata *pdata = &control->pdata;
399         int base = wm8994_retune_mobile_base[block];
400         int iface, best, best_val, save, i, cfg;
401 
402         if (!pdata || !wm8994->num_retune_mobile_texts)
403                 return;
404 
405         switch (block) {
406         case 0:
407         case 1:
408                 iface = 0;
409                 break;
410         case 2:
411                 iface = 1;
412                 break;
413         default:
414                 return;
415         }
416 
417         /* Find the version of the currently selected configuration
418          * with the nearest sample rate. */
419         cfg = wm8994->retune_mobile_cfg[block];
420         best = 0;
421         best_val = INT_MAX;
422         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
423                 if (strcmp(pdata->retune_mobile_cfgs[i].name,
424                            wm8994->retune_mobile_texts[cfg]) == 0 &&
425                     abs(pdata->retune_mobile_cfgs[i].rate
426                         - wm8994->dac_rates[iface]) < best_val) {
427                         best = i;
428                         best_val = abs(pdata->retune_mobile_cfgs[i].rate
429                                        - wm8994->dac_rates[iface]);
430                 }
431         }
432 
433         dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
434                 block,
435                 pdata->retune_mobile_cfgs[best].name,
436                 pdata->retune_mobile_cfgs[best].rate,
437                 wm8994->dac_rates[iface]);
438 
439         /* The EQ will be disabled while reconfiguring it, remember the
440          * current configuration.
441          */
442         save = snd_soc_read(codec, base);
443         save &= WM8994_AIF1DAC1_EQ_ENA;
444 
445         for (i = 0; i < WM8994_EQ_REGS; i++)
446                 snd_soc_update_bits(codec, base + i, 0xffff,
447                                 pdata->retune_mobile_cfgs[best].regs[i]);
448 
449         snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_EQ_ENA, save);
450 }
451 
452 /* Icky as hell but saves code duplication */
453 static int wm8994_get_retune_mobile_block(const char *name)
454 {
455         if (strcmp(name, "AIF1.1 EQ Mode") == 0)
456                 return 0;
457         if (strcmp(name, "AIF1.2 EQ Mode") == 0)
458                 return 1;
459         if (strcmp(name, "AIF2 EQ Mode") == 0)
460                 return 2;
461         return -EINVAL;
462 }
463 
464 static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
465                                          struct snd_ctl_elem_value *ucontrol)
466 {
467         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
468         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
469         struct wm8994 *control = wm8994->wm8994;
470         struct wm8994_pdata *pdata = &control->pdata;
471         int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
472         int value = ucontrol->value.enumerated.item[0];
473 
474         if (block < 0)
475                 return block;
476 
477         if (value >= pdata->num_retune_mobile_cfgs)
478                 return -EINVAL;
479 
480         wm8994->retune_mobile_cfg[block] = value;
481 
482         wm8994_set_retune_mobile(codec, block);
483 
484         return 0;
485 }
486 
487 static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
488                                          struct snd_ctl_elem_value *ucontrol)
489 {
490         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
491         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
492         int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
493 
494         if (block < 0)
495                 return block;
496 
497         ucontrol->value.enumerated.item[0] = wm8994->retune_mobile_cfg[block];
498 
499         return 0;
500 }
501 
502 static const char *aif_chan_src_text[] = {
503         "Left", "Right"
504 };
505 
506 static SOC_ENUM_SINGLE_DECL(aif1adcl_src,
507                             WM8994_AIF1_CONTROL_1, 15, aif_chan_src_text);
508 
509 static SOC_ENUM_SINGLE_DECL(aif1adcr_src,
510                             WM8994_AIF1_CONTROL_1, 14, aif_chan_src_text);
511 
512 static SOC_ENUM_SINGLE_DECL(aif2adcl_src,
513                             WM8994_AIF2_CONTROL_1, 15, aif_chan_src_text);
514 
515 static SOC_ENUM_SINGLE_DECL(aif2adcr_src,
516                             WM8994_AIF2_CONTROL_1, 14, aif_chan_src_text);
517 
518 static SOC_ENUM_SINGLE_DECL(aif1dacl_src,
519                             WM8994_AIF1_CONTROL_2, 15, aif_chan_src_text);
520 
521 static SOC_ENUM_SINGLE_DECL(aif1dacr_src,
522                             WM8994_AIF1_CONTROL_2, 14, aif_chan_src_text);
523 
524 static SOC_ENUM_SINGLE_DECL(aif2dacl_src,
525                             WM8994_AIF2_CONTROL_2, 15, aif_chan_src_text);
526 
527 static SOC_ENUM_SINGLE_DECL(aif2dacr_src,
528                             WM8994_AIF2_CONTROL_2, 14, aif_chan_src_text);
529 
530 static const char *osr_text[] = {
531         "Low Power", "High Performance",
532 };
533 
534 static SOC_ENUM_SINGLE_DECL(dac_osr,
535                             WM8994_OVERSAMPLING, 0, osr_text);
536 
537 static SOC_ENUM_SINGLE_DECL(adc_osr,
538                             WM8994_OVERSAMPLING, 1, osr_text);
539 
540 static const struct snd_kcontrol_new wm8994_snd_controls[] = {
541 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME,
542                  WM8994_AIF1_ADC1_RIGHT_VOLUME,
543                  1, 119, 0, digital_tlv),
544 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8994_AIF1_ADC2_LEFT_VOLUME,
545                  WM8994_AIF1_ADC2_RIGHT_VOLUME,
546                  1, 119, 0, digital_tlv),
547 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8994_AIF2_ADC_LEFT_VOLUME,
548                  WM8994_AIF2_ADC_RIGHT_VOLUME,
549                  1, 119, 0, digital_tlv),
550 
551 SOC_ENUM("AIF1ADCL Source", aif1adcl_src),
552 SOC_ENUM("AIF1ADCR Source", aif1adcr_src),
553 SOC_ENUM("AIF2ADCL Source", aif2adcl_src),
554 SOC_ENUM("AIF2ADCR Source", aif2adcr_src),
555 
556 SOC_ENUM("AIF1DACL Source", aif1dacl_src),
557 SOC_ENUM("AIF1DACR Source", aif1dacr_src),
558 SOC_ENUM("AIF2DACL Source", aif2dacl_src),
559 SOC_ENUM("AIF2DACR Source", aif2dacr_src),
560 
561 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8994_AIF1_DAC1_LEFT_VOLUME,
562                  WM8994_AIF1_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
563 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8994_AIF1_DAC2_LEFT_VOLUME,
564                  WM8994_AIF1_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
565 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8994_AIF2_DAC_LEFT_VOLUME,
566                  WM8994_AIF2_DAC_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
567 
568 SOC_SINGLE_TLV("AIF1 Boost Volume", WM8994_AIF1_CONTROL_2, 10, 3, 0, aif_tlv),
569 SOC_SINGLE_TLV("AIF2 Boost Volume", WM8994_AIF2_CONTROL_2, 10, 3, 0, aif_tlv),
570 
571 SOC_SINGLE("AIF1DAC1 EQ Switch", WM8994_AIF1_DAC1_EQ_GAINS_1, 0, 1, 0),
572 SOC_SINGLE("AIF1DAC2 EQ Switch", WM8994_AIF1_DAC2_EQ_GAINS_1, 0, 1, 0),
573 SOC_SINGLE("AIF2 EQ Switch", WM8994_AIF2_EQ_GAINS_1, 0, 1, 0),
574 
575 WM8994_DRC_SWITCH("AIF1DAC1 DRC Switch", WM8994_AIF1_DRC1_1, 2),
576 WM8994_DRC_SWITCH("AIF1ADC1L DRC Switch", WM8994_AIF1_DRC1_1, 1),
577 WM8994_DRC_SWITCH("AIF1ADC1R DRC Switch", WM8994_AIF1_DRC1_1, 0),
578 
579 WM8994_DRC_SWITCH("AIF1DAC2 DRC Switch", WM8994_AIF1_DRC2_1, 2),
580 WM8994_DRC_SWITCH("AIF1ADC2L DRC Switch", WM8994_AIF1_DRC2_1, 1),
581 WM8994_DRC_SWITCH("AIF1ADC2R DRC Switch", WM8994_AIF1_DRC2_1, 0),
582 
583 WM8994_DRC_SWITCH("AIF2DAC DRC Switch", WM8994_AIF2_DRC_1, 2),
584 WM8994_DRC_SWITCH("AIF2ADCL DRC Switch", WM8994_AIF2_DRC_1, 1),
585 WM8994_DRC_SWITCH("AIF2ADCR DRC Switch", WM8994_AIF2_DRC_1, 0),
586 
587 SOC_SINGLE_TLV("DAC1 Right Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
588                5, 12, 0, st_tlv),
589 SOC_SINGLE_TLV("DAC1 Left Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
590                0, 12, 0, st_tlv),
591 SOC_SINGLE_TLV("DAC2 Right Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
592                5, 12, 0, st_tlv),
593 SOC_SINGLE_TLV("DAC2 Left Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
594                0, 12, 0, st_tlv),
595 SOC_ENUM("Sidetone HPF Mux", sidetone_hpf),
596 SOC_SINGLE("Sidetone HPF Switch", WM8994_SIDETONE, 6, 1, 0),
597 
598 SOC_ENUM("AIF1ADC1 HPF Mode", aif1adc1_hpf),
599 SOC_DOUBLE("AIF1ADC1 HPF Switch", WM8994_AIF1_ADC1_FILTERS, 12, 11, 1, 0),
600 
601 SOC_ENUM("AIF1ADC2 HPF Mode", aif1adc2_hpf),
602 SOC_DOUBLE("AIF1ADC2 HPF Switch", WM8994_AIF1_ADC2_FILTERS, 12, 11, 1, 0),
603 
604 SOC_ENUM("AIF2ADC HPF Mode", aif2adc_hpf),
605 SOC_DOUBLE("AIF2ADC HPF Switch", WM8994_AIF2_ADC_FILTERS, 12, 11, 1, 0),
606 
607 SOC_ENUM("ADC OSR", adc_osr),
608 SOC_ENUM("DAC OSR", dac_osr),
609 
610 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8994_DAC1_LEFT_VOLUME,
611                  WM8994_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
612 SOC_DOUBLE_R("DAC1 Switch", WM8994_DAC1_LEFT_VOLUME,
613              WM8994_DAC1_RIGHT_VOLUME, 9, 1, 1),
614 
615 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8994_DAC2_LEFT_VOLUME,
616                  WM8994_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
617 SOC_DOUBLE_R("DAC2 Switch", WM8994_DAC2_LEFT_VOLUME,
618              WM8994_DAC2_RIGHT_VOLUME, 9, 1, 1),
619 
620 SOC_SINGLE_TLV("SPKL DAC2 Volume", WM8994_SPKMIXL_ATTENUATION,
621                6, 1, 1, wm_hubs_spkmix_tlv),
622 SOC_SINGLE_TLV("SPKL DAC1 Volume", WM8994_SPKMIXL_ATTENUATION,
623                2, 1, 1, wm_hubs_spkmix_tlv),
624 
625 SOC_SINGLE_TLV("SPKR DAC2 Volume", WM8994_SPKMIXR_ATTENUATION,
626                6, 1, 1, wm_hubs_spkmix_tlv),
627 SOC_SINGLE_TLV("SPKR DAC1 Volume", WM8994_SPKMIXR_ATTENUATION,
628                2, 1, 1, wm_hubs_spkmix_tlv),
629 
630 SOC_SINGLE_TLV("AIF1DAC1 3D Stereo Volume", WM8994_AIF1_DAC1_FILTERS_2,
631                10, 15, 0, wm8994_3d_tlv),
632 SOC_SINGLE("AIF1DAC1 3D Stereo Switch", WM8994_AIF1_DAC1_FILTERS_2,
633            8, 1, 0),
634 SOC_SINGLE_TLV("AIF1DAC2 3D Stereo Volume", WM8994_AIF1_DAC2_FILTERS_2,
635                10, 15, 0, wm8994_3d_tlv),
636 SOC_SINGLE("AIF1DAC2 3D Stereo Switch", WM8994_AIF1_DAC2_FILTERS_2,
637            8, 1, 0),
638 SOC_SINGLE_TLV("AIF2DAC 3D Stereo Volume", WM8994_AIF2_DAC_FILTERS_2,
639                10, 15, 0, wm8994_3d_tlv),
640 SOC_SINGLE("AIF2DAC 3D Stereo Switch", WM8994_AIF2_DAC_FILTERS_2,
641            8, 1, 0),
642 };
643 
644 static const struct snd_kcontrol_new wm8994_eq_controls[] = {
645 SOC_SINGLE_TLV("AIF1DAC1 EQ1 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 11, 31, 0,
646                eq_tlv),
647 SOC_SINGLE_TLV("AIF1DAC1 EQ2 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 6, 31, 0,
648                eq_tlv),
649 SOC_SINGLE_TLV("AIF1DAC1 EQ3 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 1, 31, 0,
650                eq_tlv),
651 SOC_SINGLE_TLV("AIF1DAC1 EQ4 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 11, 31, 0,
652                eq_tlv),
653 SOC_SINGLE_TLV("AIF1DAC1 EQ5 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 6, 31, 0,
654                eq_tlv),
655 
656 SOC_SINGLE_TLV("AIF1DAC2 EQ1 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 11, 31, 0,
657                eq_tlv),
658 SOC_SINGLE_TLV("AIF1DAC2 EQ2 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 6, 31, 0,
659                eq_tlv),
660 SOC_SINGLE_TLV("AIF1DAC2 EQ3 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 1, 31, 0,
661                eq_tlv),
662 SOC_SINGLE_TLV("AIF1DAC2 EQ4 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 11, 31, 0,
663                eq_tlv),
664 SOC_SINGLE_TLV("AIF1DAC2 EQ5 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 6, 31, 0,
665                eq_tlv),
666 
667 SOC_SINGLE_TLV("AIF2 EQ1 Volume", WM8994_AIF2_EQ_GAINS_1, 11, 31, 0,
668                eq_tlv),
669 SOC_SINGLE_TLV("AIF2 EQ2 Volume", WM8994_AIF2_EQ_GAINS_1, 6, 31, 0,
670                eq_tlv),
671 SOC_SINGLE_TLV("AIF2 EQ3 Volume", WM8994_AIF2_EQ_GAINS_1, 1, 31, 0,
672                eq_tlv),
673 SOC_SINGLE_TLV("AIF2 EQ4 Volume", WM8994_AIF2_EQ_GAINS_2, 11, 31, 0,
674                eq_tlv),
675 SOC_SINGLE_TLV("AIF2 EQ5 Volume", WM8994_AIF2_EQ_GAINS_2, 6, 31, 0,
676                eq_tlv),
677 };
678 
679 static const struct snd_kcontrol_new wm8994_drc_controls[] = {
680 SND_SOC_BYTES_MASK("AIF1.1 DRC", WM8994_AIF1_DRC1_1, 5,
681                    WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
682                    WM8994_AIF1ADC1R_DRC_ENA),
683 SND_SOC_BYTES_MASK("AIF1.2 DRC", WM8994_AIF1_DRC2_1, 5,
684                    WM8994_AIF1DAC2_DRC_ENA | WM8994_AIF1ADC2L_DRC_ENA |
685                    WM8994_AIF1ADC2R_DRC_ENA),
686 SND_SOC_BYTES_MASK("AIF2 DRC", WM8994_AIF2_DRC_1, 5,
687                    WM8994_AIF2DAC_DRC_ENA | WM8994_AIF2ADCL_DRC_ENA |
688                    WM8994_AIF2ADCR_DRC_ENA),
689 };
690 
691 static const char *wm8958_ng_text[] = {
692         "30ms", "125ms", "250ms", "500ms",
693 };
694 
695 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac1_ng_hold,
696                             WM8958_AIF1_DAC1_NOISE_GATE,
697                             WM8958_AIF1DAC1_NG_THR_SHIFT,
698                             wm8958_ng_text);
699 
700 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac2_ng_hold,
701                             WM8958_AIF1_DAC2_NOISE_GATE,
702                             WM8958_AIF1DAC2_NG_THR_SHIFT,
703                             wm8958_ng_text);
704 
705 static SOC_ENUM_SINGLE_DECL(wm8958_aif2dac_ng_hold,
706                             WM8958_AIF2_DAC_NOISE_GATE,
707                             WM8958_AIF2DAC_NG_THR_SHIFT,
708                             wm8958_ng_text);
709 
710 static const struct snd_kcontrol_new wm8958_snd_controls[] = {
711 SOC_SINGLE_TLV("AIF3 Boost Volume", WM8958_AIF3_CONTROL_2, 10, 3, 0, aif_tlv),
712 
713 SOC_SINGLE("AIF1DAC1 Noise Gate Switch", WM8958_AIF1_DAC1_NOISE_GATE,
714            WM8958_AIF1DAC1_NG_ENA_SHIFT, 1, 0),
715 SOC_ENUM("AIF1DAC1 Noise Gate Hold Time", wm8958_aif1dac1_ng_hold),
716 SOC_SINGLE_TLV("AIF1DAC1 Noise Gate Threshold Volume",
717                WM8958_AIF1_DAC1_NOISE_GATE, WM8958_AIF1DAC1_NG_THR_SHIFT,
718                7, 1, ng_tlv),
719 
720 SOC_SINGLE("AIF1DAC2 Noise Gate Switch", WM8958_AIF1_DAC2_NOISE_GATE,
721            WM8958_AIF1DAC2_NG_ENA_SHIFT, 1, 0),
722 SOC_ENUM("AIF1DAC2 Noise Gate Hold Time", wm8958_aif1dac2_ng_hold),
723 SOC_SINGLE_TLV("AIF1DAC2 Noise Gate Threshold Volume",
724                WM8958_AIF1_DAC2_NOISE_GATE, WM8958_AIF1DAC2_NG_THR_SHIFT,
725                7, 1, ng_tlv),
726 
727 SOC_SINGLE("AIF2DAC Noise Gate Switch", WM8958_AIF2_DAC_NOISE_GATE,
728            WM8958_AIF2DAC_NG_ENA_SHIFT, 1, 0),
729 SOC_ENUM("AIF2DAC Noise Gate Hold Time", wm8958_aif2dac_ng_hold),
730 SOC_SINGLE_TLV("AIF2DAC Noise Gate Threshold Volume",
731                WM8958_AIF2_DAC_NOISE_GATE, WM8958_AIF2DAC_NG_THR_SHIFT,
732                7, 1, ng_tlv),
733 };
734 
735 static const struct snd_kcontrol_new wm1811_snd_controls[] = {
736 SOC_SINGLE_TLV("MIXINL IN1LP Boost Volume", WM8994_INPUT_MIXER_1, 7, 1, 0,
737                mixin_boost_tlv),
738 SOC_SINGLE_TLV("MIXINL IN1RP Boost Volume", WM8994_INPUT_MIXER_1, 8, 1, 0,
739                mixin_boost_tlv),
740 };
741 
742 /* We run all mode setting through a function to enforce audio mode */
743 static void wm1811_jackdet_set_mode(struct snd_soc_codec *codec, u16 mode)
744 {
745         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
746 
747         if (!wm8994->jackdet || !wm8994->micdet[0].jack)
748                 return;
749 
750         if (wm8994->active_refcount)
751                 mode = WM1811_JACKDET_MODE_AUDIO;
752 
753         if (mode == wm8994->jackdet_mode)
754                 return;
755 
756         wm8994->jackdet_mode = mode;
757 
758         /* Always use audio mode to detect while the system is active */
759         if (mode != WM1811_JACKDET_MODE_NONE)
760                 mode = WM1811_JACKDET_MODE_AUDIO;
761 
762         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
763                             WM1811_JACKDET_MODE_MASK, mode);
764 }
765 
766 static void active_reference(struct snd_soc_codec *codec)
767 {
768         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
769 
770         mutex_lock(&wm8994->accdet_lock);
771 
772         wm8994->active_refcount++;
773 
774         dev_dbg(codec->dev, "Active refcount incremented, now %d\n",
775                 wm8994->active_refcount);
776 
777         /* If we're using jack detection go into audio mode */
778         wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_AUDIO);
779 
780         mutex_unlock(&wm8994->accdet_lock);
781 }
782 
783 static void active_dereference(struct snd_soc_codec *codec)
784 {
785         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
786         u16 mode;
787 
788         mutex_lock(&wm8994->accdet_lock);
789 
790         wm8994->active_refcount--;
791 
792         dev_dbg(codec->dev, "Active refcount decremented, now %d\n",
793                 wm8994->active_refcount);
794 
795         if (wm8994->active_refcount == 0) {
796                 /* Go into appropriate detection only mode */
797                 if (wm8994->jack_mic || wm8994->mic_detecting)
798                         mode = WM1811_JACKDET_MODE_MIC;
799                 else
800                         mode = WM1811_JACKDET_MODE_JACK;
801 
802                 wm1811_jackdet_set_mode(codec, mode);
803         }
804 
805         mutex_unlock(&wm8994->accdet_lock);
806 }
807 
808 static int clk_sys_event(struct snd_soc_dapm_widget *w,
809                          struct snd_kcontrol *kcontrol, int event)
810 {
811         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
812         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
813 
814         switch (event) {
815         case SND_SOC_DAPM_PRE_PMU:
816                 return configure_clock(codec);
817 
818         case SND_SOC_DAPM_POST_PMU:
819                 /*
820                  * JACKDET won't run until we start the clock and it
821                  * only reports deltas, make sure we notify the state
822                  * up the stack on startup.  Use a *very* generous
823                  * timeout for paranoia, there's no urgency and we
824                  * don't want false reports.
825                  */
826                 if (wm8994->jackdet && !wm8994->clk_has_run) {
827                         queue_delayed_work(system_power_efficient_wq,
828                                            &wm8994->jackdet_bootstrap,
829                                            msecs_to_jiffies(1000));
830                         wm8994->clk_has_run = true;
831                 }
832                 break;
833 
834         case SND_SOC_DAPM_POST_PMD:
835                 configure_clock(codec);
836                 break;
837         }
838 
839         return 0;
840 }
841 
842 static void vmid_reference(struct snd_soc_codec *codec)
843 {
844         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
845 
846         pm_runtime_get_sync(codec->dev);
847 
848         wm8994->vmid_refcount++;
849 
850         dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n",
851                 wm8994->vmid_refcount);
852 
853         if (wm8994->vmid_refcount == 1) {
854                 snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
855                                     WM8994_LINEOUT1_DISCH |
856                                     WM8994_LINEOUT2_DISCH, 0);
857 
858                 wm_hubs_vmid_ena(codec);
859 
860                 switch (wm8994->vmid_mode) {
861                 default:
862                         WARN_ON(NULL == "Invalid VMID mode");
863                 case WM8994_VMID_NORMAL:
864                         /* Startup bias, VMID ramp & buffer */
865                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
866                                             WM8994_BIAS_SRC |
867                                             WM8994_VMID_DISCH |
868                                             WM8994_STARTUP_BIAS_ENA |
869                                             WM8994_VMID_BUF_ENA |
870                                             WM8994_VMID_RAMP_MASK,
871                                             WM8994_BIAS_SRC |
872                                             WM8994_STARTUP_BIAS_ENA |
873                                             WM8994_VMID_BUF_ENA |
874                                             (0x2 << WM8994_VMID_RAMP_SHIFT));
875 
876                         /* Main bias enable, VMID=2x40k */
877                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
878                                             WM8994_BIAS_ENA |
879                                             WM8994_VMID_SEL_MASK,
880                                             WM8994_BIAS_ENA | 0x2);
881 
882                         msleep(300);
883 
884                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
885                                             WM8994_VMID_RAMP_MASK |
886                                             WM8994_BIAS_SRC,
887                                             0);
888                         break;
889 
890                 case WM8994_VMID_FORCE:
891                         /* Startup bias, slow VMID ramp & buffer */
892                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
893                                             WM8994_BIAS_SRC |
894                                             WM8994_VMID_DISCH |
895                                             WM8994_STARTUP_BIAS_ENA |
896                                             WM8994_VMID_BUF_ENA |
897                                             WM8994_VMID_RAMP_MASK,
898                                             WM8994_BIAS_SRC |
899                                             WM8994_STARTUP_BIAS_ENA |
900                                             WM8994_VMID_BUF_ENA |
901                                             (0x2 << WM8994_VMID_RAMP_SHIFT));
902 
903                         /* Main bias enable, VMID=2x40k */
904                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
905                                             WM8994_BIAS_ENA |
906                                             WM8994_VMID_SEL_MASK,
907                                             WM8994_BIAS_ENA | 0x2);
908 
909                         msleep(400);
910 
911                         snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
912                                             WM8994_VMID_RAMP_MASK |
913                                             WM8994_BIAS_SRC,
914                                             0);
915                         break;
916                 }
917         }
918 }
919 
920 static void vmid_dereference(struct snd_soc_codec *codec)
921 {
922         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
923 
924         wm8994->vmid_refcount--;
925 
926         dev_dbg(codec->dev, "Dereferencing VMID, refcount is now %d\n",
927                 wm8994->vmid_refcount);
928 
929         if (wm8994->vmid_refcount == 0) {
930                 if (wm8994->hubs.lineout1_se)
931                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
932                                             WM8994_LINEOUT1N_ENA |
933                                             WM8994_LINEOUT1P_ENA,
934                                             WM8994_LINEOUT1N_ENA |
935                                             WM8994_LINEOUT1P_ENA);
936 
937                 if (wm8994->hubs.lineout2_se)
938                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
939                                             WM8994_LINEOUT2N_ENA |
940                                             WM8994_LINEOUT2P_ENA,
941                                             WM8994_LINEOUT2N_ENA |
942                                             WM8994_LINEOUT2P_ENA);
943 
944                 /* Start discharging VMID */
945                 snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
946                                     WM8994_BIAS_SRC |
947                                     WM8994_VMID_DISCH,
948                                     WM8994_BIAS_SRC |
949                                     WM8994_VMID_DISCH);
950 
951                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
952                                     WM8994_VMID_SEL_MASK, 0);
953 
954                 msleep(400);
955 
956                 /* Active discharge */
957                 snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
958                                     WM8994_LINEOUT1_DISCH |
959                                     WM8994_LINEOUT2_DISCH,
960                                     WM8994_LINEOUT1_DISCH |
961                                     WM8994_LINEOUT2_DISCH);
962 
963                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
964                                     WM8994_LINEOUT1N_ENA |
965                                     WM8994_LINEOUT1P_ENA |
966                                     WM8994_LINEOUT2N_ENA |
967                                     WM8994_LINEOUT2P_ENA, 0);
968 
969                 /* Switch off startup biases */
970                 snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
971                                     WM8994_BIAS_SRC |
972                                     WM8994_STARTUP_BIAS_ENA |
973                                     WM8994_VMID_BUF_ENA |
974                                     WM8994_VMID_RAMP_MASK, 0);
975 
976                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
977                                     WM8994_VMID_SEL_MASK, 0);
978         }
979 
980         pm_runtime_put(codec->dev);
981 }
982 
983 static int vmid_event(struct snd_soc_dapm_widget *w,
984                       struct snd_kcontrol *kcontrol, int event)
985 {
986         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
987 
988         switch (event) {
989         case SND_SOC_DAPM_PRE_PMU:
990                 vmid_reference(codec);
991                 break;
992 
993         case SND_SOC_DAPM_POST_PMD:
994                 vmid_dereference(codec);
995                 break;
996         }
997 
998         return 0;
999 }
1000 
1001 static bool wm8994_check_class_w_digital(struct snd_soc_codec *codec)
1002 {
1003         int source = 0;  /* GCC flow analysis can't track enable */
1004         int reg, reg_r;
1005 
1006         /* We also need the same AIF source for L/R and only one path */
1007         reg = snd_soc_read(codec, WM8994_DAC1_LEFT_MIXER_ROUTING);
1008         switch (reg) {
1009         case WM8994_AIF2DACL_TO_DAC1L:
1010                 dev_vdbg(codec->dev, "Class W source AIF2DAC\n");
1011                 source = 2 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1012                 break;
1013         case WM8994_AIF1DAC2L_TO_DAC1L:
1014                 dev_vdbg(codec->dev, "Class W source AIF1DAC2\n");
1015                 source = 1 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1016                 break;
1017         case WM8994_AIF1DAC1L_TO_DAC1L:
1018                 dev_vdbg(codec->dev, "Class W source AIF1DAC1\n");
1019                 source = 0 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1020                 break;
1021         default:
1022                 dev_vdbg(codec->dev, "DAC mixer setting: %x\n", reg);
1023                 return false;
1024         }
1025 
1026         reg_r = snd_soc_read(codec, WM8994_DAC1_RIGHT_MIXER_ROUTING);
1027         if (reg_r != reg) {
1028                 dev_vdbg(codec->dev, "Left and right DAC mixers different\n");
1029                 return false;
1030         }
1031 
1032         /* Set the source up */
1033         snd_soc_update_bits(codec, WM8994_CLASS_W_1,
1034                             WM8994_CP_DYN_SRC_SEL_MASK, source);
1035 
1036         return true;
1037 }
1038 
1039 static int aif1clk_ev(struct snd_soc_dapm_widget *w,
1040                       struct snd_kcontrol *kcontrol, int event)
1041 {
1042         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1043         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1044         struct wm8994 *control = wm8994->wm8994;
1045         int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
1046         int i;
1047         int dac;
1048         int adc;
1049         int val;
1050 
1051         switch (control->type) {
1052         case WM8994:
1053         case WM8958:
1054                 mask |= WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA;
1055                 break;
1056         default:
1057                 break;
1058         }
1059 
1060         switch (event) {
1061         case SND_SOC_DAPM_PRE_PMU:
1062                 /* Don't enable timeslot 2 if not in use */
1063                 if (wm8994->channels[0] <= 2)
1064                         mask &= ~(WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
1065 
1066                 val = snd_soc_read(codec, WM8994_AIF1_CONTROL_1);
1067                 if ((val & WM8994_AIF1ADCL_SRC) &&
1068                     (val & WM8994_AIF1ADCR_SRC))
1069                         adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA;
1070                 else if (!(val & WM8994_AIF1ADCL_SRC) &&
1071                          !(val & WM8994_AIF1ADCR_SRC))
1072                         adc = WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1073                 else
1074                         adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA |
1075                                 WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1076 
1077                 val = snd_soc_read(codec, WM8994_AIF1_CONTROL_2);
1078                 if ((val & WM8994_AIF1DACL_SRC) &&
1079                     (val & WM8994_AIF1DACR_SRC))
1080                         dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA;
1081                 else if (!(val & WM8994_AIF1DACL_SRC) &&
1082                          !(val & WM8994_AIF1DACR_SRC))
1083                         dac = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1084                 else
1085                         dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA |
1086                                 WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1087 
1088                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1089                                     mask, adc);
1090                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1091                                     mask, dac);
1092                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1093                                     WM8994_AIF1DSPCLK_ENA |
1094                                     WM8994_SYSDSPCLK_ENA,
1095                                     WM8994_AIF1DSPCLK_ENA |
1096                                     WM8994_SYSDSPCLK_ENA);
1097                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4, mask,
1098                                     WM8994_AIF1ADC1R_ENA |
1099                                     WM8994_AIF1ADC1L_ENA |
1100                                     WM8994_AIF1ADC2R_ENA |
1101                                     WM8994_AIF1ADC2L_ENA);
1102                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5, mask,
1103                                     WM8994_AIF1DAC1R_ENA |
1104                                     WM8994_AIF1DAC1L_ENA |
1105                                     WM8994_AIF1DAC2R_ENA |
1106                                     WM8994_AIF1DAC2L_ENA);
1107                 break;
1108 
1109         case SND_SOC_DAPM_POST_PMU:
1110                 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1111                         snd_soc_write(codec, wm8994_vu_bits[i].reg,
1112                                       snd_soc_read(codec,
1113                                                    wm8994_vu_bits[i].reg));
1114                 break;
1115 
1116         case SND_SOC_DAPM_PRE_PMD:
1117         case SND_SOC_DAPM_POST_PMD:
1118                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1119                                     mask, 0);
1120                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1121                                     mask, 0);
1122 
1123                 val = snd_soc_read(codec, WM8994_CLOCKING_1);
1124                 if (val & WM8994_AIF2DSPCLK_ENA)
1125                         val = WM8994_SYSDSPCLK_ENA;
1126                 else
1127                         val = 0;
1128                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1129                                     WM8994_SYSDSPCLK_ENA |
1130                                     WM8994_AIF1DSPCLK_ENA, val);
1131                 break;
1132         }
1133 
1134         return 0;
1135 }
1136 
1137 static int aif2clk_ev(struct snd_soc_dapm_widget *w,
1138                       struct snd_kcontrol *kcontrol, int event)
1139 {
1140         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1141         int i;
1142         int dac;
1143         int adc;
1144         int val;
1145 
1146         switch (event) {
1147         case SND_SOC_DAPM_PRE_PMU:
1148                 val = snd_soc_read(codec, WM8994_AIF2_CONTROL_1);
1149                 if ((val & WM8994_AIF2ADCL_SRC) &&
1150                     (val & WM8994_AIF2ADCR_SRC))
1151                         adc = WM8994_AIF2ADCR_ENA;
1152                 else if (!(val & WM8994_AIF2ADCL_SRC) &&
1153                          !(val & WM8994_AIF2ADCR_SRC))
1154                         adc = WM8994_AIF2ADCL_ENA;
1155                 else
1156                         adc = WM8994_AIF2ADCL_ENA | WM8994_AIF2ADCR_ENA;
1157 
1158 
1159                 val = snd_soc_read(codec, WM8994_AIF2_CONTROL_2);
1160                 if ((val & WM8994_AIF2DACL_SRC) &&
1161                     (val & WM8994_AIF2DACR_SRC))
1162                         dac = WM8994_AIF2DACR_ENA;
1163                 else if (!(val & WM8994_AIF2DACL_SRC) &&
1164                          !(val & WM8994_AIF2DACR_SRC))
1165                         dac = WM8994_AIF2DACL_ENA;
1166                 else
1167                         dac = WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA;
1168 
1169                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1170                                     WM8994_AIF2ADCL_ENA |
1171                                     WM8994_AIF2ADCR_ENA, adc);
1172                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1173                                     WM8994_AIF2DACL_ENA |
1174                                     WM8994_AIF2DACR_ENA, dac);
1175                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1176                                     WM8994_AIF2DSPCLK_ENA |
1177                                     WM8994_SYSDSPCLK_ENA,
1178                                     WM8994_AIF2DSPCLK_ENA |
1179                                     WM8994_SYSDSPCLK_ENA);
1180                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1181                                     WM8994_AIF2ADCL_ENA |
1182                                     WM8994_AIF2ADCR_ENA,
1183                                     WM8994_AIF2ADCL_ENA |
1184                                     WM8994_AIF2ADCR_ENA);
1185                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1186                                     WM8994_AIF2DACL_ENA |
1187                                     WM8994_AIF2DACR_ENA,
1188                                     WM8994_AIF2DACL_ENA |
1189                                     WM8994_AIF2DACR_ENA);
1190                 break;
1191 
1192         case SND_SOC_DAPM_POST_PMU:
1193                 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1194                         snd_soc_write(codec, wm8994_vu_bits[i].reg,
1195                                       snd_soc_read(codec,
1196                                                    wm8994_vu_bits[i].reg));
1197                 break;
1198 
1199         case SND_SOC_DAPM_PRE_PMD:
1200         case SND_SOC_DAPM_POST_PMD:
1201                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1202                                     WM8994_AIF2DACL_ENA |
1203                                     WM8994_AIF2DACR_ENA, 0);
1204                 snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1205                                     WM8994_AIF2ADCL_ENA |
1206                                     WM8994_AIF2ADCR_ENA, 0);
1207 
1208                 val = snd_soc_read(codec, WM8994_CLOCKING_1);
1209                 if (val & WM8994_AIF1DSPCLK_ENA)
1210                         val = WM8994_SYSDSPCLK_ENA;
1211                 else
1212                         val = 0;
1213                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1214                                     WM8994_SYSDSPCLK_ENA |
1215                                     WM8994_AIF2DSPCLK_ENA, val);
1216                 break;
1217         }
1218 
1219         return 0;
1220 }
1221 
1222 static int aif1clk_late_ev(struct snd_soc_dapm_widget *w,
1223                            struct snd_kcontrol *kcontrol, int event)
1224 {
1225         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1226         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1227 
1228         switch (event) {
1229         case SND_SOC_DAPM_PRE_PMU:
1230                 wm8994->aif1clk_enable = 1;
1231                 break;
1232         case SND_SOC_DAPM_POST_PMD:
1233                 wm8994->aif1clk_disable = 1;
1234                 break;
1235         }
1236 
1237         return 0;
1238 }
1239 
1240 static int aif2clk_late_ev(struct snd_soc_dapm_widget *w,
1241                            struct snd_kcontrol *kcontrol, int event)
1242 {
1243         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1244         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1245 
1246         switch (event) {
1247         case SND_SOC_DAPM_PRE_PMU:
1248                 wm8994->aif2clk_enable = 1;
1249                 break;
1250         case SND_SOC_DAPM_POST_PMD:
1251                 wm8994->aif2clk_disable = 1;
1252                 break;
1253         }
1254 
1255         return 0;
1256 }
1257 
1258 static int late_enable_ev(struct snd_soc_dapm_widget *w,
1259                           struct snd_kcontrol *kcontrol, int event)
1260 {
1261         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1262         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1263 
1264         switch (event) {
1265         case SND_SOC_DAPM_PRE_PMU:
1266                 if (wm8994->aif1clk_enable) {
1267                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1268                         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1269                                             WM8994_AIF1CLK_ENA_MASK,
1270                                             WM8994_AIF1CLK_ENA);
1271                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1272                         wm8994->aif1clk_enable = 0;
1273                 }
1274                 if (wm8994->aif2clk_enable) {
1275                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1276                         snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1277                                             WM8994_AIF2CLK_ENA_MASK,
1278                                             WM8994_AIF2CLK_ENA);
1279                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1280                         wm8994->aif2clk_enable = 0;
1281                 }
1282                 break;
1283         }
1284 
1285         /* We may also have postponed startup of DSP, handle that. */
1286         wm8958_aif_ev(w, kcontrol, event);
1287 
1288         return 0;
1289 }
1290 
1291 static int late_disable_ev(struct snd_soc_dapm_widget *w,
1292                            struct snd_kcontrol *kcontrol, int event)
1293 {
1294         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1295         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1296 
1297         switch (event) {
1298         case SND_SOC_DAPM_POST_PMD:
1299                 if (wm8994->aif1clk_disable) {
1300                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1301                         snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1302                                             WM8994_AIF1CLK_ENA_MASK, 0);
1303                         aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1304                         wm8994->aif1clk_disable = 0;
1305                 }
1306                 if (wm8994->aif2clk_disable) {
1307                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1308                         snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1309                                             WM8994_AIF2CLK_ENA_MASK, 0);
1310                         aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1311                         wm8994->aif2clk_disable = 0;
1312                 }
1313                 break;
1314         }
1315 
1316         return 0;
1317 }
1318 
1319 static int adc_mux_ev(struct snd_soc_dapm_widget *w,
1320                       struct snd_kcontrol *kcontrol, int event)
1321 {
1322         late_enable_ev(w, kcontrol, event);
1323         return 0;
1324 }
1325 
1326 static int micbias_ev(struct snd_soc_dapm_widget *w,
1327                       struct snd_kcontrol *kcontrol, int event)
1328 {
1329         late_enable_ev(w, kcontrol, event);
1330         return 0;
1331 }
1332 
1333 static int dac_ev(struct snd_soc_dapm_widget *w,
1334                   struct snd_kcontrol *kcontrol, int event)
1335 {
1336         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1337         unsigned int mask = 1 << w->shift;
1338 
1339         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1340                             mask, mask);
1341         return 0;
1342 }
1343 
1344 static const char *adc_mux_text[] = {
1345         "ADC",
1346         "DMIC",
1347 };
1348 
1349 static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
1350 
1351 static const struct snd_kcontrol_new adcl_mux =
1352         SOC_DAPM_ENUM("ADCL Mux", adc_enum);
1353 
1354 static const struct snd_kcontrol_new adcr_mux =
1355         SOC_DAPM_ENUM("ADCR Mux", adc_enum);
1356 
1357 static const struct snd_kcontrol_new left_speaker_mixer[] = {
1358 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 9, 1, 0),
1359 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 7, 1, 0),
1360 SOC_DAPM_SINGLE("IN1LP Switch", WM8994_SPEAKER_MIXER, 5, 1, 0),
1361 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 3, 1, 0),
1362 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 1, 1, 0),
1363 };
1364 
1365 static const struct snd_kcontrol_new right_speaker_mixer[] = {
1366 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 8, 1, 0),
1367 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 6, 1, 0),
1368 SOC_DAPM_SINGLE("IN1RP Switch", WM8994_SPEAKER_MIXER, 4, 1, 0),
1369 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 2, 1, 0),
1370 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 0, 1, 0),
1371 };
1372 
1373 /* Debugging; dump chip status after DAPM transitions */
1374 static int post_ev(struct snd_soc_dapm_widget *w,
1375             struct snd_kcontrol *kcontrol, int event)
1376 {
1377         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1378         dev_dbg(codec->dev, "SRC status: %x\n",
1379                 snd_soc_read(codec,
1380                              WM8994_RATE_STATUS));
1381         return 0;
1382 }
1383 
1384 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
1385 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1386                 1, 1, 0),
1387 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1388                 0, 1, 0),
1389 };
1390 
1391 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
1392 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1393                 1, 1, 0),
1394 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1395                 0, 1, 0),
1396 };
1397 
1398 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
1399 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1400                 1, 1, 0),
1401 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1402                 0, 1, 0),
1403 };
1404 
1405 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
1406 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1407                 1, 1, 0),
1408 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1409                 0, 1, 0),
1410 };
1411 
1412 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
1413 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1414                 5, 1, 0),
1415 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1416                 4, 1, 0),
1417 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1418                 2, 1, 0),
1419 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1420                 1, 1, 0),
1421 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1422                 0, 1, 0),
1423 };
1424 
1425 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
1426 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1427                 5, 1, 0),
1428 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1429                 4, 1, 0),
1430 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1431                 2, 1, 0),
1432 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1433                 1, 1, 0),
1434 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1435                 0, 1, 0),
1436 };
1437 
1438 #define WM8994_CLASS_W_SWITCH(xname, reg, shift, max, invert) \
1439         SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
1440                 snd_soc_dapm_get_volsw, wm8994_put_class_w)
1441 
1442 static int wm8994_put_class_w(struct snd_kcontrol *kcontrol,
1443                               struct snd_ctl_elem_value *ucontrol)
1444 {
1445         struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
1446         int ret;
1447 
1448         ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
1449 
1450         wm_hubs_update_class_w(codec);
1451 
1452         return ret;
1453 }
1454 
1455 static const struct snd_kcontrol_new dac1l_mix[] = {
1456 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1457                       5, 1, 0),
1458 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1459                       4, 1, 0),
1460 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1461                       2, 1, 0),
1462 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1463                       1, 1, 0),
1464 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1465                       0, 1, 0),
1466 };
1467 
1468 static const struct snd_kcontrol_new dac1r_mix[] = {
1469 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1470                       5, 1, 0),
1471 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1472                       4, 1, 0),
1473 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1474                       2, 1, 0),
1475 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1476                       1, 1, 0),
1477 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1478                       0, 1, 0),
1479 };
1480 
1481 static const char *sidetone_text[] = {
1482         "ADC/DMIC1", "DMIC2",
1483 };
1484 
1485 static SOC_ENUM_SINGLE_DECL(sidetone1_enum,
1486                             WM8994_SIDETONE, 0, sidetone_text);
1487 
1488 static const struct snd_kcontrol_new sidetone1_mux =
1489         SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
1490 
1491 static SOC_ENUM_SINGLE_DECL(sidetone2_enum,
1492                             WM8994_SIDETONE, 1, sidetone_text);
1493 
1494 static const struct snd_kcontrol_new sidetone2_mux =
1495         SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
1496 
1497 static const char *aif1dac_text[] = {
1498         "AIF1DACDAT", "AIF3DACDAT",
1499 };
1500 
1501 static const char *loopback_text[] = {
1502         "None", "ADCDAT",
1503 };
1504 
1505 static SOC_ENUM_SINGLE_DECL(aif1_loopback_enum,
1506                             WM8994_AIF1_CONTROL_2,
1507                             WM8994_AIF1_LOOPBACK_SHIFT,
1508                             loopback_text);
1509 
1510 static const struct snd_kcontrol_new aif1_loopback =
1511         SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum);
1512 
1513 static SOC_ENUM_SINGLE_DECL(aif2_loopback_enum,
1514                             WM8994_AIF2_CONTROL_2,
1515                             WM8994_AIF2_LOOPBACK_SHIFT,
1516                             loopback_text);
1517 
1518 static const struct snd_kcontrol_new aif2_loopback =
1519         SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum);
1520 
1521 static SOC_ENUM_SINGLE_DECL(aif1dac_enum,
1522                             WM8994_POWER_MANAGEMENT_6, 0, aif1dac_text);
1523 
1524 static const struct snd_kcontrol_new aif1dac_mux =
1525         SOC_DAPM_ENUM("AIF1DAC Mux", aif1dac_enum);
1526 
1527 static const char *aif2dac_text[] = {
1528         "AIF2DACDAT", "AIF3DACDAT",
1529 };
1530 
1531 static SOC_ENUM_SINGLE_DECL(aif2dac_enum,
1532                             WM8994_POWER_MANAGEMENT_6, 1, aif2dac_text);
1533 
1534 static const struct snd_kcontrol_new aif2dac_mux =
1535         SOC_DAPM_ENUM("AIF2DAC Mux", aif2dac_enum);
1536 
1537 static const char *aif2adc_text[] = {
1538         "AIF2ADCDAT", "AIF3DACDAT",
1539 };
1540 
1541 static SOC_ENUM_SINGLE_DECL(aif2adc_enum,
1542                             WM8994_POWER_MANAGEMENT_6, 2, aif2adc_text);
1543 
1544 static const struct snd_kcontrol_new aif2adc_mux =
1545         SOC_DAPM_ENUM("AIF2ADC Mux", aif2adc_enum);
1546 
1547 static const char *aif3adc_text[] = {
1548         "AIF1ADCDAT", "AIF2ADCDAT", "AIF2DACDAT", "Mono PCM",
1549 };
1550 
1551 static SOC_ENUM_SINGLE_DECL(wm8994_aif3adc_enum,
1552                             WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1553 
1554 static const struct snd_kcontrol_new wm8994_aif3adc_mux =
1555         SOC_DAPM_ENUM("AIF3ADC Mux", wm8994_aif3adc_enum);
1556 
1557 static SOC_ENUM_SINGLE_DECL(wm8958_aif3adc_enum,
1558                             WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1559 
1560 static const struct snd_kcontrol_new wm8958_aif3adc_mux =
1561         SOC_DAPM_ENUM("AIF3ADC Mux", wm8958_aif3adc_enum);
1562 
1563 static const char *mono_pcm_out_text[] = {
1564         "None", "AIF2ADCL", "AIF2ADCR",
1565 };
1566 
1567 static SOC_ENUM_SINGLE_DECL(mono_pcm_out_enum,
1568                             WM8994_POWER_MANAGEMENT_6, 9, mono_pcm_out_text);
1569 
1570 static const struct snd_kcontrol_new mono_pcm_out_mux =
1571         SOC_DAPM_ENUM("Mono PCM Out Mux", mono_pcm_out_enum);
1572 
1573 static const char *aif2dac_src_text[] = {
1574         "AIF2", "AIF3",
1575 };
1576 
1577 /* Note that these two control shouldn't be simultaneously switched to AIF3 */
1578 static SOC_ENUM_SINGLE_DECL(aif2dacl_src_enum,
1579                             WM8994_POWER_MANAGEMENT_6, 7, aif2dac_src_text);
1580 
1581 static const struct snd_kcontrol_new aif2dacl_src_mux =
1582         SOC_DAPM_ENUM("AIF2DACL Mux", aif2dacl_src_enum);
1583 
1584 static SOC_ENUM_SINGLE_DECL(aif2dacr_src_enum,
1585                             WM8994_POWER_MANAGEMENT_6, 8, aif2dac_src_text);
1586 
1587 static const struct snd_kcontrol_new aif2dacr_src_mux =
1588         SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
1589 
1590 static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
1591 SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_late_ev,
1592         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1593 SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_late_ev,
1594         SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1595 
1596 SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1597         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1598 SND_SOC_DAPM_PGA_E("Late DAC1R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1599         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1600 SND_SOC_DAPM_PGA_E("Late DAC2L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1601         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1602 SND_SOC_DAPM_PGA_E("Late DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1603         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1604 SND_SOC_DAPM_PGA_E("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0,
1605         late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1606 
1607 SND_SOC_DAPM_MIXER_E("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1608                      left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer),
1609                      late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1610 SND_SOC_DAPM_MIXER_E("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1611                      right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer),
1612                      late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1613 SND_SOC_DAPM_MUX_E("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux,
1614                    late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1615 SND_SOC_DAPM_MUX_E("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux,
1616                    late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1617 
1618 SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
1619 };
1620 
1621 static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
1622 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, aif1clk_ev,
1623                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1624                     SND_SOC_DAPM_PRE_PMD),
1625 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, aif2clk_ev,
1626                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1627                     SND_SOC_DAPM_PRE_PMD),
1628 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
1629 SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1630                    left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
1631 SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1632                    right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
1633 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux),
1634 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux),
1635 };
1636 
1637 static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
1638 SND_SOC_DAPM_DAC_E("DAC2L", NULL, SND_SOC_NOPM, 3, 0,
1639         dac_ev, SND_SOC_DAPM_PRE_PMU),
1640 SND_SOC_DAPM_DAC_E("DAC2R", NULL, SND_SOC_NOPM, 2, 0,
1641         dac_ev, SND_SOC_DAPM_PRE_PMU),
1642 SND_SOC_DAPM_DAC_E("DAC1L", NULL, SND_SOC_NOPM, 1, 0,
1643         dac_ev, SND_SOC_DAPM_PRE_PMU),
1644 SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0,
1645         dac_ev, SND_SOC_DAPM_PRE_PMU),
1646 };
1647 
1648 static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = {
1649 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
1650 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
1651 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
1652 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
1653 };
1654 
1655 static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = {
1656 SND_SOC_DAPM_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
1657                         adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1658 SND_SOC_DAPM_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
1659                         adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1660 };
1661 
1662 static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = {
1663 SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
1664 SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
1665 };
1666 
1667 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
1668 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1669 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1670 SND_SOC_DAPM_INPUT("Clock"),
1671 
1672 SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
1673                       SND_SOC_DAPM_PRE_PMU),
1674 SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, vmid_event,
1675                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1676 
1677 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
1678                     SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1679                     SND_SOC_DAPM_PRE_PMD),
1680 
1681 SND_SOC_DAPM_SUPPLY("DSP1CLK", SND_SOC_NOPM, 3, 0, NULL, 0),
1682 SND_SOC_DAPM_SUPPLY("DSP2CLK", SND_SOC_NOPM, 2, 0, NULL, 0),
1683 SND_SOC_DAPM_SUPPLY("DSPINTCLK", SND_SOC_NOPM, 1, 0, NULL, 0),
1684 
1685 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
1686                      0, SND_SOC_NOPM, 9, 0),
1687 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
1688                      0, SND_SOC_NOPM, 8, 0),
1689 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
1690                       SND_SOC_NOPM, 9, 0, wm8958_aif_ev,
1691                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1692 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1R", NULL, 0,
1693                       SND_SOC_NOPM, 8, 0, wm8958_aif_ev,
1694                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1695 
1696 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
1697                      0, SND_SOC_NOPM, 11, 0),
1698 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
1699                      0, SND_SOC_NOPM, 10, 0),
1700 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
1701                       SND_SOC_NOPM, 11, 0, wm8958_aif_ev,
1702                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1703 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2R", NULL, 0,
1704                       SND_SOC_NOPM, 10, 0, wm8958_aif_ev,
1705                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1706 
1707 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
1708                    aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
1709 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
1710                    aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
1711 
1712 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
1713                    aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
1714 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
1715                    aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
1716 
1717 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1718                    aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
1719 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1720                    aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
1721 
1722 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1723 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1724 
1725 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1726                    dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1727 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1728                    dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1729 
1730 SND_SOC_DAPM_AIF_OUT("AIF2ADCL", NULL, 0,
1731                      SND_SOC_NOPM, 13, 0),
1732 SND_SOC_DAPM_AIF_OUT("AIF2ADCR", NULL, 0,
1733                      SND_SOC_NOPM, 12, 0),
1734 SND_SOC_DAPM_AIF_IN_E("AIF2DACL", NULL, 0,
1735                       SND_SOC_NOPM, 13, 0, wm8958_aif_ev,
1736                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1737 SND_SOC_DAPM_AIF_IN_E("AIF2DACR", NULL, 0,
1738                       SND_SOC_NOPM, 12, 0, wm8958_aif_ev,
1739                       SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1740 
1741 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1742 SND_SOC_DAPM_AIF_IN("AIF2DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1743 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1744 SND_SOC_DAPM_AIF_OUT("AIF2ADCDAT",  NULL, 0, SND_SOC_NOPM, 0, 0),
1745 
1746 SND_SOC_DAPM_MUX("AIF1DAC Mux", SND_SOC_NOPM, 0, 0, &aif1dac_mux),
1747 SND_SOC_DAPM_MUX("AIF2DAC Mux", SND_SOC_NOPM, 0, 0, &aif2dac_mux),
1748 SND_SOC_DAPM_MUX("AIF2ADC Mux", SND_SOC_NOPM, 0, 0, &aif2adc_mux),
1749 
1750 SND_SOC_DAPM_AIF_IN("AIF3DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1751 SND_SOC_DAPM_AIF_OUT("AIF3ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1752 
1753 SND_SOC_DAPM_SUPPLY("TOCLK", WM8994_CLOCKING_1, 4, 0, NULL, 0),
1754 
1755 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8994_POWER_MANAGEMENT_4, 5, 0),
1756 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8994_POWER_MANAGEMENT_4, 4, 0),
1757 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8994_POWER_MANAGEMENT_4, 3, 0),
1758 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0),
1759 
1760 /* Power is done with the muxes since the ADC power also controls the
1761  * downsampling chain, the chip will automatically manage the analogue
1762  * specific portions.
1763  */
1764 SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0),
1765 SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1766 
1767 SND_SOC_DAPM_MUX("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),
1768 SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),
1769 
1770 SND_SOC_DAPM_POST("Debug log", post_ev),
1771 };
1772 
1773 static const struct snd_soc_dapm_widget wm8994_specific_dapm_widgets[] = {
1774 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8994_aif3adc_mux),
1775 };
1776 
1777 static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = {
1778 SND_SOC_DAPM_SUPPLY("AIF3", WM8994_POWER_MANAGEMENT_6, 5, 1, NULL, 0),
1779 SND_SOC_DAPM_MUX("Mono PCM Out Mux", SND_SOC_NOPM, 0, 0, &mono_pcm_out_mux),
1780 SND_SOC_DAPM_MUX("AIF2DACL Mux", SND_SOC_NOPM, 0, 0, &aif2dacl_src_mux),
1781 SND_SOC_DAPM_MUX("AIF2DACR Mux", SND_SOC_NOPM, 0, 0, &aif2dacr_src_mux),
1782 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8958_aif3adc_mux),
1783 };
1784 
1785 static const struct snd_soc_dapm_route intercon[] = {
1786         { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1787         { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1788 
1789         { "DSP1CLK", NULL, "CLK_SYS" },
1790         { "DSP2CLK", NULL, "CLK_SYS" },
1791         { "DSPINTCLK", NULL, "CLK_SYS" },
1792 
1793         { "AIF1ADC1L", NULL, "AIF1CLK" },
1794         { "AIF1ADC1L", NULL, "DSP1CLK" },
1795         { "AIF1ADC1R", NULL, "AIF1CLK" },
1796         { "AIF1ADC1R", NULL, "DSP1CLK" },
1797         { "AIF1ADC1R", NULL, "DSPINTCLK" },
1798 
1799         { "AIF1DAC1L", NULL, "AIF1CLK" },
1800         { "AIF1DAC1L", NULL, "DSP1CLK" },
1801         { "AIF1DAC1R", NULL, "AIF1CLK" },
1802         { "AIF1DAC1R", NULL, "DSP1CLK" },
1803         { "AIF1DAC1R", NULL, "DSPINTCLK" },
1804 
1805         { "AIF1ADC2L", NULL, "AIF1CLK" },
1806         { "AIF1ADC2L", NULL, "DSP1CLK" },
1807         { "AIF1ADC2R", NULL, "AIF1CLK" },
1808         { "AIF1ADC2R", NULL, "DSP1CLK" },
1809         { "AIF1ADC2R", NULL, "DSPINTCLK" },
1810 
1811         { "AIF1DAC2L", NULL, "AIF1CLK" },
1812         { "AIF1DAC2L", NULL, "DSP1CLK" },
1813         { "AIF1DAC2R", NULL, "AIF1CLK" },
1814         { "AIF1DAC2R", NULL, "DSP1CLK" },
1815         { "AIF1DAC2R", NULL, "DSPINTCLK" },
1816 
1817         { "AIF2ADCL", NULL, "AIF2CLK" },
1818         { "AIF2ADCL", NULL, "DSP2CLK" },
1819         { "AIF2ADCR", NULL, "AIF2CLK" },
1820         { "AIF2ADCR", NULL, "DSP2CLK" },
1821         { "AIF2ADCR", NULL, "DSPINTCLK" },
1822 
1823         { "AIF2DACL", NULL, "AIF2CLK" },
1824         { "AIF2DACL", NULL, "DSP2CLK" },
1825         { "AIF2DACR", NULL, "AIF2CLK" },
1826         { "AIF2DACR", NULL, "DSP2CLK" },
1827         { "AIF2DACR", NULL, "DSPINTCLK" },
1828 
1829         { "DMIC1L", NULL, "DMIC1DAT" },
1830         { "DMIC1L", NULL, "CLK_SYS" },
1831         { "DMIC1R", NULL, "DMIC1DAT" },
1832         { "DMIC1R", NULL, "CLK_SYS" },
1833         { "DMIC2L", NULL, "DMIC2DAT" },
1834         { "DMIC2L", NULL, "CLK_SYS" },
1835         { "DMIC2R", NULL, "DMIC2DAT" },
1836         { "DMIC2R", NULL, "CLK_SYS" },
1837 
1838         { "ADCL", NULL, "AIF1CLK" },
1839         { "ADCL", NULL, "DSP1CLK" },
1840         { "ADCL", NULL, "DSPINTCLK" },
1841 
1842         { "ADCR", NULL, "AIF1CLK" },
1843         { "ADCR", NULL, "DSP1CLK" },
1844         { "ADCR", NULL, "DSPINTCLK" },
1845 
1846         { "ADCL Mux", "ADC", "ADCL" },
1847         { "ADCL Mux", "DMIC", "DMIC1L" },
1848         { "ADCR Mux", "ADC", "ADCR" },
1849         { "ADCR Mux", "DMIC", "DMIC1R" },
1850 
1851         { "DAC1L", NULL, "AIF1CLK" },
1852         { "DAC1L", NULL, "DSP1CLK" },
1853         { "DAC1L", NULL, "DSPINTCLK" },
1854 
1855         { "DAC1R", NULL, "AIF1CLK" },
1856         { "DAC1R", NULL, "DSP1CLK" },
1857         { "DAC1R", NULL, "DSPINTCLK" },
1858 
1859         { "DAC2L", NULL, "AIF2CLK" },
1860         { "DAC2L", NULL, "DSP2CLK" },
1861         { "DAC2L", NULL, "DSPINTCLK" },
1862 
1863         { "DAC2R", NULL, "AIF2DACR" },
1864         { "DAC2R", NULL, "AIF2CLK" },
1865         { "DAC2R", NULL, "DSP2CLK" },
1866         { "DAC2R", NULL, "DSPINTCLK" },
1867 
1868         { "TOCLK", NULL, "CLK_SYS" },
1869 
1870         { "AIF1DACDAT", NULL, "AIF1 Playback" },
1871         { "AIF2DACDAT", NULL, "AIF2 Playback" },
1872         { "AIF3DACDAT", NULL, "AIF3 Playback" },
1873 
1874         { "AIF1 Capture", NULL, "AIF1ADCDAT" },
1875         { "AIF2 Capture", NULL, "AIF2ADCDAT" },
1876         { "AIF3 Capture", NULL, "AIF3ADCDAT" },
1877 
1878         /* AIF1 outputs */
1879         { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1880         { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1881         { "AIF1ADC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1882 
1883         { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1884         { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1885         { "AIF1ADC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1886 
1887         { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1888         { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1889         { "AIF1ADC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1890 
1891         { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1892         { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1893         { "AIF1ADC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1894 
1895         /* Pin level routing for AIF3 */
1896         { "AIF1DAC1L", NULL, "AIF1DAC Mux" },
1897         { "AIF1DAC1R", NULL, "AIF1DAC Mux" },
1898         { "AIF1DAC2L", NULL, "AIF1DAC Mux" },
1899         { "AIF1DAC2R", NULL, "AIF1DAC Mux" },
1900 
1901         { "AIF1DAC Mux", "AIF1DACDAT", "AIF1 Loopback" },
1902         { "AIF1DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1903         { "AIF2DAC Mux", "AIF2DACDAT", "AIF2 Loopback" },
1904         { "AIF2DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1905         { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1906         { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1907         { "AIF2ADC Mux", "AIF3DACDAT", "AIF3ADCDAT" },
1908 
1909         /* DAC1 inputs */
1910         { "DAC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1911         { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1912         { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1913         { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1914         { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1915 
1916         { "DAC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1917         { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1918         { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1919         { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1920         { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1921 
1922         /* DAC2/AIF2 outputs  */
1923         { "AIF2ADCL", NULL, "AIF2DAC2L Mixer" },
1924         { "AIF2DAC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1925         { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1926         { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1927         { "AIF2DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1928         { "AIF2DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1929 
1930         { "AIF2ADCR", NULL, "AIF2DAC2R Mixer" },
1931         { "AIF2DAC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1932         { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1933         { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1934         { "AIF2DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1935         { "AIF2DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1936 
1937         { "AIF1ADCDAT", NULL, "AIF1ADC1L" },
1938         { "AIF1ADCDAT", NULL, "AIF1ADC1R" },
1939         { "AIF1ADCDAT", NULL, "AIF1ADC2L" },
1940         { "AIF1ADCDAT", NULL, "AIF1ADC2R" },
1941 
1942         { "AIF2ADCDAT", NULL, "AIF2ADC Mux" },
1943 
1944         /* AIF3 output */
1945         { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC1L" },
1946         { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC1R" },
1947         { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC2L" },
1948         { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC2R" },
1949         { "AIF3ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1950         { "AIF3ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1951         { "AIF3ADC Mux", "AIF2DACDAT", "AIF2DACL" },
1952         { "AIF3ADC Mux", "AIF2DACDAT", "AIF2DACR" },
1953 
1954         { "AIF3ADCDAT", NULL, "AIF3ADC Mux" },
1955 
1956         /* Loopback */
1957         { "AIF1 Loopback", "ADCDAT", "AIF1ADCDAT" },
1958         { "AIF1 Loopback", "None", "AIF1DACDAT" },
1959         { "AIF2 Loopback", "ADCDAT", "AIF2ADCDAT" },
1960         { "AIF2 Loopback", "None", "AIF2DACDAT" },
1961 
1962         /* Sidetone */
1963         { "Left Sidetone", "ADC/DMIC1", "ADCL Mux" },
1964         { "Left Sidetone", "DMIC2", "DMIC2L" },
1965         { "Right Sidetone", "ADC/DMIC1", "ADCR Mux" },
1966         { "Right Sidetone", "DMIC2", "DMIC2R" },
1967 
1968         /* Output stages */
1969         { "Left Output Mixer", "DAC Switch", "DAC1L" },
1970         { "Right Output Mixer", "DAC Switch", "DAC1R" },
1971 
1972         { "SPKL", "DAC1 Switch", "DAC1L" },
1973         { "SPKL", "DAC2 Switch", "DAC2L" },
1974 
1975         { "SPKR", "DAC1 Switch", "DAC1R" },
1976         { "SPKR", "DAC2 Switch", "DAC2R" },
1977 
1978         { "Left Headphone Mux", "DAC", "DAC1L" },
1979         { "Right Headphone Mux", "DAC", "DAC1R" },
1980 };
1981 
1982 static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = {
1983         { "DAC1L", NULL, "Late DAC1L Enable PGA" },
1984         { "Late DAC1L Enable PGA", NULL, "DAC1L Mixer" },
1985         { "DAC1R", NULL, "Late DAC1R Enable PGA" },
1986         { "Late DAC1R Enable PGA", NULL, "DAC1R Mixer" },
1987         { "DAC2L", NULL, "Late DAC2L Enable PGA" },
1988         { "Late DAC2L Enable PGA", NULL, "AIF2DAC2L Mixer" },
1989         { "DAC2R", NULL, "Late DAC2R Enable PGA" },
1990         { "Late DAC2R Enable PGA", NULL, "AIF2DAC2R Mixer" }
1991 };
1992 
1993 static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = {
1994         { "DAC1L", NULL, "DAC1L Mixer" },
1995         { "DAC1R", NULL, "DAC1R Mixer" },
1996         { "DAC2L", NULL, "AIF2DAC2L Mixer" },
1997         { "DAC2R", NULL, "AIF2DAC2R Mixer" },
1998 };
1999 
2000 static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
2001         { "AIF1DACDAT", NULL, "AIF2DACDAT" },
2002         { "AIF2DACDAT", NULL, "AIF1DACDAT" },
2003         { "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
2004         { "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
2005         { "MICBIAS1", NULL, "CLK_SYS" },
2006         { "MICBIAS1", NULL, "MICBIAS Supply" },
2007         { "MICBIAS2", NULL, "CLK_SYS" },
2008         { "MICBIAS2", NULL, "MICBIAS Supply" },
2009 };
2010 
2011 static const struct snd_soc_dapm_route wm8994_intercon[] = {
2012         { "AIF2DACL", NULL, "AIF2DAC Mux" },
2013         { "AIF2DACR", NULL, "AIF2DAC Mux" },
2014         { "MICBIAS1", NULL, "VMID" },
2015         { "MICBIAS2", NULL, "VMID" },
2016 };
2017 
2018 static const struct snd_soc_dapm_route wm8958_intercon[] = {
2019         { "AIF2DACL", NULL, "AIF2DACL Mux" },
2020         { "AIF2DACR", NULL, "AIF2DACR Mux" },
2021 
2022         { "AIF2DACL Mux", "AIF2", "AIF2DAC Mux" },
2023         { "AIF2DACL Mux", "AIF3", "AIF3DACDAT" },
2024         { "AIF2DACR Mux", "AIF2", "AIF2DAC Mux" },
2025         { "AIF2DACR Mux", "AIF3", "AIF3DACDAT" },
2026 
2027         { "AIF3DACDAT", NULL, "AIF3" },
2028         { "AIF3ADCDAT", NULL, "AIF3" },
2029 
2030         { "Mono PCM Out Mux", "AIF2ADCL", "AIF2ADCL" },
2031         { "Mono PCM Out Mux", "AIF2ADCR", "AIF2ADCR" },
2032 
2033         { "AIF3ADC Mux", "Mono PCM", "Mono PCM Out Mux" },
2034 };
2035 
2036 /* The size in bits of the FLL divide multiplied by 10
2037  * to allow rounding later */
2038 #define FIXED_FLL_SIZE ((1 << 16) * 10)
2039 
2040 struct fll_div {
2041         u16 outdiv;
2042         u16 n;
2043         u16 k;
2044         u16 lambda;
2045         u16 clk_ref_div;
2046         u16 fll_fratio;
2047 };
2048 
2049 static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll,
2050                                  int freq_in, int freq_out)
2051 {
2052         u64 Kpart;
2053         unsigned int K, Ndiv, Nmod, gcd_fll;
2054 
2055         pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
2056 
2057         /* Scale the input frequency down to <= 13.5MHz */
2058         fll->clk_ref_div = 0;
2059         while (freq_in > 13500000) {
2060                 fll->clk_ref_div++;
2061                 freq_in /= 2;
2062 
2063                 if (fll->clk_ref_div > 3)
2064                         return -EINVAL;
2065         }
2066         pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
2067 
2068         /* Scale the output to give 90MHz<=Fvco<=100MHz */
2069         fll->outdiv = 3;
2070         while (freq_out * (fll->outdiv + 1) < 90000000) {
2071                 fll->outdiv++;
2072                 if (fll->outdiv > 63)
2073                         return -EINVAL;
2074         }
2075         freq_out *= fll->outdiv + 1;
2076         pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
2077 
2078         if (freq_in > 1000000) {
2079                 fll->fll_fratio = 0;
2080         } else if (freq_in > 256000) {
2081                 fll->fll_fratio = 1;
2082                 freq_in *= 2;
2083         } else if (freq_in > 128000) {
2084                 fll->fll_fratio = 2;
2085                 freq_in *= 4;
2086         } else if (freq_in > 64000) {
2087                 fll->fll_fratio = 3;
2088                 freq_in *= 8;
2089         } else {
2090                 fll->fll_fratio = 4;
2091                 freq_in *= 16;
2092         }
2093         pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
2094 
2095         /* Now, calculate N.K */
2096         Ndiv = freq_out / freq_in;
2097 
2098         fll->n = Ndiv;
2099         Nmod = freq_out % freq_in;
2100         pr_debug("Nmod=%d\n", Nmod);
2101 
2102         switch (control->type) {
2103         case WM8994:
2104                 /* Calculate fractional part - scale up so we can round. */
2105                 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
2106 
2107                 do_div(Kpart, freq_in);
2108 
2109                 K = Kpart & 0xFFFFFFFF;
2110 
2111                 if ((K % 10) >= 5)
2112                         K += 5;
2113 
2114                 /* Move down to proper range now rounding is done */
2115                 fll->k = K / 10;
2116                 fll->lambda = 0;
2117 
2118                 pr_debug("N=%x K=%x\n", fll->n, fll->k);
2119                 break;
2120 
2121         default:
2122                 gcd_fll = gcd(freq_out, freq_in);
2123 
2124                 fll->k = (freq_out - (freq_in * fll->n)) / gcd_fll;
2125                 fll->lambda = freq_in / gcd_fll;
2126                 
2127         }
2128 
2129         return 0;
2130 }
2131 
2132 static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
2133                           unsigned int freq_in, unsigned int freq_out)
2134 {
2135         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2136         struct wm8994 *control = wm8994->wm8994;
2137         int reg_offset, ret;
2138         struct fll_div fll;
2139         u16 reg, clk1, aif_reg, aif_src;
2140         unsigned long timeout;
2141         bool was_enabled;
2142 
2143         switch (id) {
2144         case WM8994_FLL1:
2145                 reg_offset = 0;
2146                 id = 0;
2147                 aif_src = 0x10;
2148                 break;
2149         case WM8994_FLL2:
2150                 reg_offset = 0x20;
2151                 id = 1;
2152                 aif_src = 0x18;
2153                 break;
2154         default:
2155                 return -EINVAL;
2156         }
2157 
2158         reg = snd_soc_read(codec, WM8994_FLL1_CONTROL_1 + reg_offset);
2159         was_enabled = reg & WM8994_FLL1_ENA;
2160 
2161         switch (src) {
2162         case 0:
2163                 /* Allow no source specification when stopping */
2164                 if (freq_out)
2165                         return -EINVAL;
2166                 src = wm8994->fll[id].src;
2167                 break;
2168         case WM8994_FLL_SRC_MCLK1:
2169         case WM8994_FLL_SRC_MCLK2:
2170         case WM8994_FLL_SRC_LRCLK:
2171         case WM8994_FLL_SRC_BCLK:
2172                 break;
2173         case WM8994_FLL_SRC_INTERNAL:
2174                 freq_in = 12000000;
2175                 freq_out = 12000000;
2176                 break;
2177         default:
2178                 return -EINVAL;
2179         }
2180 
2181         /* Are we changing anything? */
2182         if (wm8994->fll[id].src == src &&
2183             wm8994->fll[id].in == freq_in && wm8994->fll[id].out == freq_out)
2184                 return 0;
2185 
2186         /* If we're stopping the FLL redo the old config - no
2187          * registers will actually be written but we avoid GCC flow
2188          * analysis bugs spewing warnings.
2189          */
2190         if (freq_out)
2191                 ret = wm8994_get_fll_config(control, &fll, freq_in, freq_out);
2192         else
2193                 ret = wm8994_get_fll_config(control, &fll, wm8994->fll[id].in,
2194                                             wm8994->fll[id].out);
2195         if (ret < 0)
2196                 return ret;
2197 
2198         /* Make sure that we're not providing SYSCLK right now */
2199         clk1 = snd_soc_read(codec, WM8994_CLOCKING_1);
2200         if (clk1 & WM8994_SYSCLK_SRC)
2201                 aif_reg = WM8994_AIF2_CLOCKING_1;
2202         else
2203                 aif_reg = WM8994_AIF1_CLOCKING_1;
2204         reg = snd_soc_read(codec, aif_reg);
2205 
2206         if ((reg & WM8994_AIF1CLK_ENA) &&
2207             (reg & WM8994_AIF1CLK_SRC_MASK) == aif_src) {
2208                 dev_err(codec->dev, "FLL%d is currently providing SYSCLK\n",
2209                         id + 1);
2210                 return -EBUSY;
2211         }
2212 
2213         /* We always need to disable the FLL while reconfiguring */
2214         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2215                             WM8994_FLL1_ENA, 0);
2216 
2217         if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
2218             freq_in == freq_out && freq_out) {
2219                 dev_dbg(codec->dev, "Bypassing FLL%d\n", id + 1);
2220                 snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2221                                     WM8958_FLL1_BYP, WM8958_FLL1_BYP);
2222                 goto out;
2223         }
2224 
2225         reg = (fll.outdiv << WM8994_FLL1_OUTDIV_SHIFT) |
2226                 (fll.fll_fratio << WM8994_FLL1_FRATIO_SHIFT);
2227         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_2 + reg_offset,
2228                             WM8994_FLL1_OUTDIV_MASK |
2229                             WM8994_FLL1_FRATIO_MASK, reg);
2230 
2231         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_3 + reg_offset,
2232                             WM8994_FLL1_K_MASK, fll.k);
2233 
2234         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_4 + reg_offset,
2235                             WM8994_FLL1_N_MASK,
2236                             fll.n << WM8994_FLL1_N_SHIFT);
2237 
2238         if (fll.lambda) {
2239                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_1 + reg_offset,
2240                                     WM8958_FLL1_LAMBDA_MASK,
2241                                     fll.lambda);
2242                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2243                                     WM8958_FLL1_EFS_ENA, WM8958_FLL1_EFS_ENA);
2244         } else {
2245                 snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2246                                     WM8958_FLL1_EFS_ENA, 0);
2247         }
2248 
2249         snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2250                             WM8994_FLL1_FRC_NCO | WM8958_FLL1_BYP |
2251                             WM8994_FLL1_REFCLK_DIV_MASK |
2252                             WM8994_FLL1_REFCLK_SRC_MASK,
2253                             ((src == WM8994_FLL_SRC_INTERNAL)
2254                              << WM8994_FLL1_FRC_NCO_SHIFT) |
2255                             (fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
2256                             (src - 1));
2257 
2258         /* Clear any pending completion from a previous failure */
2259         try_wait_for_completion(&wm8994->fll_locked[id]);
2260 
2261         /* Enable (with fractional mode if required) */
2262         if (freq_out) {
2263                 /* Enable VMID if we need it */
2264                 if (!was_enabled) {
2265                         active_reference(codec);
2266 
2267                         switch (control->type) {
2268                         case WM8994:
2269                                 vmid_reference(codec);
2270                                 break;
2271                         case WM8958:
2272                                 if (control->revision < 1)
2273                                         vmid_reference(codec);
2274                                 break;
2275                         default:
2276                                 break;
2277                         }
2278                 }
2279 
2280                 reg = WM8994_FLL1_ENA;
2281 
2282                 if (fll.k)
2283                         reg |= WM8994_FLL1_FRAC;
2284                 if (src == WM8994_FLL_SRC_INTERNAL)
2285                         reg |= WM8994_FLL1_OSC_ENA;
2286 
2287                 snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2288                                     WM8994_FLL1_ENA | WM8994_FLL1_OSC_ENA |
2289                                     WM8994_FLL1_FRAC, reg);
2290 
2291                 if (wm8994->fll_locked_irq) {
2292                         timeout = wait_for_completion_timeout(&wm8994->fll_locked[id],
2293                                                               msecs_to_jiffies(10));
2294                         if (timeout == 0)
2295                                 dev_warn(codec->dev,
2296                                          "Timed out waiting for FLL lock\n");
2297                 } else {
2298                         msleep(5);
2299                 }
2300         } else {
2301                 if (was_enabled) {
2302                         switch (control->type) {
2303                         case WM8994:
2304                                 vmid_dereference(codec);
2305                                 break;
2306                         case WM8958:
2307                                 if (control->revision < 1)
2308                                         vmid_dereference(codec);
2309                                 break;
2310                         default:
2311                                 break;
2312                         }
2313 
2314                         active_dereference(codec);
2315                 }
2316         }
2317 
2318 out:
2319         wm8994->fll[id].in = freq_in;
2320         wm8994->fll[id].out = freq_out;
2321         wm8994->fll[id].src = src;
2322 
2323         configure_clock(codec);
2324 
2325         /*
2326          * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2327          * for detection.
2328          */
2329         if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2330                 dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2331 
2332                 wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2333                         & WM8994_AIF1CLK_RATE_MASK;
2334                 wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2335                         & WM8994_AIF1CLK_RATE_MASK;
2336 
2337                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2338                                     WM8994_AIF1CLK_RATE_MASK, 0x1);
2339                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2340                                     WM8994_AIF2CLK_RATE_MASK, 0x1);
2341         } else if (wm8994->aifdiv[0]) {
2342                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2343                                     WM8994_AIF1CLK_RATE_MASK,
2344                                     wm8994->aifdiv[0]);
2345                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2346                                     WM8994_AIF2CLK_RATE_MASK,
2347                                     wm8994->aifdiv[1]);
2348 
2349                 wm8994->aifdiv[0] = 0;
2350                 wm8994->aifdiv[1] = 0;
2351         }
2352 
2353         return 0;
2354 }
2355 
2356 static irqreturn_t wm8994_fll_locked_irq(int irq, void *data)
2357 {
2358         struct completion *completion = data;
2359 
2360         complete(completion);
2361 
2362         return IRQ_HANDLED;
2363 }
2364 
2365 static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
2366 
2367 static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
2368                           unsigned int freq_in, unsigned int freq_out)
2369 {
2370         return _wm8994_set_fll(dai->codec, id, src, freq_in, freq_out);
2371 }
2372 
2373 static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
2374                 int clk_id, unsigned int freq, int dir)
2375 {
2376         struct snd_soc_codec *codec = dai->codec;
2377         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2378         int i;
2379 
2380         switch (dai->id) {
2381         case 1:
2382         case 2:
2383                 break;
2384 
2385         default:
2386                 /* AIF3 shares clocking with AIF1/2 */
2387                 return -EINVAL;
2388         }
2389 
2390         switch (clk_id) {
2391         case WM8994_SYSCLK_MCLK1:
2392                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK1;
2393                 wm8994->mclk[0] = freq;
2394                 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
2395                         dai->id, freq);
2396                 break;
2397 
2398         case WM8994_SYSCLK_MCLK2:
2399                 /* TODO: Set GPIO AF */
2400                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK2;
2401                 wm8994->mclk[1] = freq;
2402                 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
2403                         dai->id, freq);
2404                 break;
2405 
2406         case WM8994_SYSCLK_FLL1:
2407                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL1;
2408                 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id);
2409                 break;
2410 
2411         case WM8994_SYSCLK_FLL2:
2412                 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL2;
2413                 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id);
2414                 break;
2415 
2416         case WM8994_SYSCLK_OPCLK:
2417                 /* Special case - a division (times 10) is given and
2418                  * no effect on main clocking.
2419                  */
2420                 if (freq) {
2421                         for (i = 0; i < ARRAY_SIZE(opclk_divs); i++)
2422                                 if (opclk_divs[i] == freq)
2423                                         break;
2424                         if (i == ARRAY_SIZE(opclk_divs))
2425                                 return -EINVAL;
2426                         snd_soc_update_bits(codec, WM8994_CLOCKING_2,
2427                                             WM8994_OPCLK_DIV_MASK, i);
2428                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2429                                             WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
2430                 } else {
2431                         snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2432                                             WM8994_OPCLK_ENA, 0);
2433                 }
2434 
2435         default:
2436                 return -EINVAL;
2437         }
2438 
2439         configure_clock(codec);
2440 
2441         /*
2442          * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2443          * for detection.
2444          */
2445         if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2446                 dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2447 
2448                 wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2449                         & WM8994_AIF1CLK_RATE_MASK;
2450                 wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2451                         & WM8994_AIF1CLK_RATE_MASK;
2452 
2453                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2454                                     WM8994_AIF1CLK_RATE_MASK, 0x1);
2455                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2456                                     WM8994_AIF2CLK_RATE_MASK, 0x1);
2457         } else if (wm8994->aifdiv[0]) {
2458                 snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2459                                     WM8994_AIF1CLK_RATE_MASK,
2460                                     wm8994->aifdiv[0]);
2461                 snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2462                                     WM8994_AIF2CLK_RATE_MASK,
2463                                     wm8994->aifdiv[1]);
2464 
2465                 wm8994->aifdiv[0] = 0;
2466                 wm8994->aifdiv[1] = 0;
2467         }
2468 
2469         return 0;
2470 }
2471 
2472 static int wm8994_set_bias_level(struct snd_soc_codec *codec,
2473                                  enum snd_soc_bias_level level)
2474 {
2475         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2476         struct wm8994 *control = wm8994->wm8994;
2477 
2478         wm_hubs_set_bias_level(codec, level);
2479 
2480         switch (level) {
2481         case SND_SOC_BIAS_ON:
2482                 break;
2483 
2484         case SND_SOC_BIAS_PREPARE:
2485                 /* MICBIAS into regulating mode */
2486                 switch (control->type) {
2487                 case WM8958:
2488                 case WM1811:
2489                         snd_soc_update_bits(codec, WM8958_MICBIAS1,
2490                                             WM8958_MICB1_MODE, 0);
2491                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
2492                                             WM8958_MICB2_MODE, 0);
2493                         break;
2494                 default:
2495                         break;
2496                 }
2497 
2498                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
2499                         active_reference(codec);
2500                 break;
2501 
2502         case SND_SOC_BIAS_STANDBY:
2503                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
2504                         switch (control->type) {
2505                         case WM8958:
2506                                 if (control->revision == 0) {
2507                                         /* Optimise performance for rev A */
2508                                         snd_soc_update_bits(codec,
2509                                                             WM8958_CHARGE_PUMP_2,
2510                                                             WM8958_CP_DISCH,
2511                                                             WM8958_CP_DISCH);
2512                                 }
2513                                 break;
2514 
2515                         default:
2516                                 break;
2517                         }
2518 
2519                         /* Discharge LINEOUT1 & 2 */
2520                         snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
2521                                             WM8994_LINEOUT1_DISCH |
2522                                             WM8994_LINEOUT2_DISCH,
2523                                             WM8994_LINEOUT1_DISCH |
2524                                             WM8994_LINEOUT2_DISCH);
2525                 }
2526 
2527                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_PREPARE)
2528                         active_dereference(codec);
2529 
2530                 /* MICBIAS into bypass mode on newer devices */
2531                 switch (control->type) {
2532                 case WM8958:
2533                 case WM1811:
2534                         snd_soc_update_bits(codec, WM8958_MICBIAS1,
2535                                             WM8958_MICB1_MODE,
2536                                             WM8958_MICB1_MODE);
2537                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
2538                                             WM8958_MICB2_MODE,
2539                                             WM8958_MICB2_MODE);
2540                         break;
2541                 default:
2542                         break;
2543                 }
2544                 break;
2545 
2546         case SND_SOC_BIAS_OFF:
2547                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
2548                         wm8994->cur_fw = NULL;
2549                 break;
2550         }
2551 
2552         return 0;
2553 }
2554 
2555 int wm8994_vmid_mode(struct snd_soc_codec *codec, enum wm8994_vmid_mode mode)
2556 {
2557         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2558         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2559 
2560         switch (mode) {
2561         case WM8994_VMID_NORMAL:
2562                 snd_soc_dapm_mutex_lock(dapm);
2563 
2564                 if (wm8994->hubs.lineout1_se) {
2565                         snd_soc_dapm_disable_pin_unlocked(dapm,
2566                                                           "LINEOUT1N Driver");
2567                         snd_soc_dapm_disable_pin_unlocked(dapm,
2568                                                           "LINEOUT1P Driver");
2569                 }
2570                 if (wm8994->hubs.lineout2_se) {
2571                         snd_soc_dapm_disable_pin_unlocked(dapm,
2572                                                           "LINEOUT2N Driver");
2573                         snd_soc_dapm_disable_pin_unlocked(dapm,
2574                                                           "LINEOUT2P Driver");
2575                 }
2576 
2577                 /* Do the sync with the old mode to allow it to clean up */
2578                 snd_soc_dapm_sync_unlocked(dapm);
2579                 wm8994->vmid_mode = mode;
2580 
2581                 snd_soc_dapm_mutex_unlock(dapm);
2582                 break;
2583 
2584         case WM8994_VMID_FORCE:
2585                 snd_soc_dapm_mutex_lock(dapm);
2586 
2587                 if (wm8994->hubs.lineout1_se) {
2588                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2589                                                                "LINEOUT1N Driver");
2590                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2591                                                                "LINEOUT1P Driver");
2592                 }
2593                 if (wm8994->hubs.lineout2_se) {
2594                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2595                                                                "LINEOUT2N Driver");
2596                         snd_soc_dapm_force_enable_pin_unlocked(dapm,
2597                                                                "LINEOUT2P Driver");
2598                 }
2599 
2600                 wm8994->vmid_mode = mode;
2601                 snd_soc_dapm_sync_unlocked(dapm);
2602 
2603                 snd_soc_dapm_mutex_unlock(dapm);
2604                 break;
2605 
2606         default:
2607                 return -EINVAL;
2608         }
2609 
2610         return 0;
2611 }
2612 
2613 static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
2614 {
2615         struct snd_soc_codec *codec = dai->codec;
2616         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2617         struct wm8994 *control = wm8994->wm8994;
2618         int ms_reg;
2619         int aif1_reg;
2620         int dac_reg;
2621         int adc_reg;
2622         int ms = 0;
2623         int aif1 = 0;
2624         int lrclk = 0;
2625 
2626         switch (dai->id) {
2627         case 1:
2628                 ms_reg = WM8994_AIF1_MASTER_SLAVE;
2629                 aif1_reg = WM8994_AIF1_CONTROL_1;
2630                 dac_reg = WM8994_AIF1DAC_LRCLK;
2631                 adc_reg = WM8994_AIF1ADC_LRCLK;
2632                 break;
2633         case 2:
2634                 ms_reg = WM8994_AIF2_MASTER_SLAVE;
2635                 aif1_reg = WM8994_AIF2_CONTROL_1;
2636                 dac_reg = WM8994_AIF1DAC_LRCLK;
2637                 adc_reg = WM8994_AIF1ADC_LRCLK;
2638                 break;
2639         default:
2640                 return -EINVAL;
2641         }
2642 
2643         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2644         case SND_SOC_DAIFMT_CBS_CFS:
2645                 break;
2646         case SND_SOC_DAIFMT_CBM_CFM:
2647                 ms = WM8994_AIF1_MSTR;
2648                 break;
2649         default:
2650                 return -EINVAL;
2651         }
2652 
2653         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2654         case SND_SOC_DAIFMT_DSP_B:
2655                 aif1 |= WM8994_AIF1_LRCLK_INV;
2656                 lrclk |= WM8958_AIF1_LRCLK_INV;
2657         case SND_SOC_DAIFMT_DSP_A:
2658                 aif1 |= 0x18;
2659                 break;
2660         case SND_SOC_DAIFMT_I2S:
2661                 aif1 |= 0x10;
2662                 break;
2663         case SND_SOC_DAIFMT_RIGHT_J:
2664                 break;
2665         case SND_SOC_DAIFMT_LEFT_J:
2666                 aif1 |= 0x8;
2667                 break;
2668         default:
2669                 return -EINVAL;
2670         }
2671 
2672         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2673         case SND_SOC_DAIFMT_DSP_A:
2674         case SND_SOC_DAIFMT_DSP_B:
2675                 /* frame inversion not valid for DSP modes */
2676                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2677                 case SND_SOC_DAIFMT_NB_NF:
2678                         break;
2679                 case SND_SOC_DAIFMT_IB_NF:
2680                         aif1 |= WM8994_AIF1_BCLK_INV;
2681                         break;
2682                 default:
2683                         return -EINVAL;
2684                 }
2685                 break;
2686 
2687         case SND_SOC_DAIFMT_I2S:
2688         case SND_SOC_DAIFMT_RIGHT_J:
2689         case SND_SOC_DAIFMT_LEFT_J:
2690                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2691                 case SND_SOC_DAIFMT_NB_NF:
2692                         break;
2693                 case SND_SOC_DAIFMT_IB_IF:
2694                         aif1 |= WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV;
2695                         lrclk |= WM8958_AIF1_LRCLK_INV;
2696                         break;
2697                 case SND_SOC_DAIFMT_IB_NF:
2698                         aif1 |= WM8994_AIF1_BCLK_INV;
2699                         break;
2700                 case SND_SOC_DAIFMT_NB_IF:
2701                         aif1 |= WM8994_AIF1_LRCLK_INV;
2702                         lrclk |= WM8958_AIF1_LRCLK_INV;
2703                         break;
2704                 default:
2705                         return -EINVAL;
2706                 }
2707                 break;
2708         default:
2709                 return -EINVAL;
2710         }
2711 
2712         /* The AIF2 format configuration needs to be mirrored to AIF3
2713          * on WM8958 if it's in use so just do it all the time. */
2714         switch (control->type) {
2715         case WM1811:
2716         case WM8958:
2717                 if (dai->id == 2)
2718                         snd_soc_update_bits(codec, WM8958_AIF3_CONTROL_1,
2719                                             WM8994_AIF1_LRCLK_INV |
2720                                             WM8958_AIF3_FMT_MASK, aif1);
2721                 break;
2722 
2723         default:
2724                 break;
2725         }
2726 
2727         snd_soc_update_bits(codec, aif1_reg,
2728                             WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV |
2729                             WM8994_AIF1_FMT_MASK,
2730                             aif1);
2731         snd_soc_update_bits(codec, ms_reg, WM8994_AIF1_MSTR,
2732                             ms);
2733         snd_soc_update_bits(codec, dac_reg,
2734                             WM8958_AIF1_LRCLK_INV, lrclk);
2735         snd_soc_update_bits(codec, adc_reg,
2736                             WM8958_AIF1_LRCLK_INV, lrclk);
2737 
2738         return 0;
2739 }
2740 
2741 static struct {
2742         int val, rate;
2743 } srs[] = {
2744         { 0,   8000 },
2745         { 1,  11025 },
2746         { 2,  12000 },
2747         { 3,  16000 },
2748         { 4,  22050 },
2749         { 5,  24000 },
2750         { 6,  32000 },
2751         { 7,  44100 },
2752         { 8,  48000 },
2753         { 9,  88200 },
2754         { 10, 96000 },
2755 };
2756 
2757 static int fs_ratios[] = {
2758         64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
2759 };
2760 
2761 static int bclk_divs[] = {
2762         10, 15, 20, 30, 40, 50, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480,
2763         640, 880, 960, 1280, 1760, 1920
2764 };
2765 
2766 static int wm8994_hw_params(struct snd_pcm_substream *substream,
2767                             struct snd_pcm_hw_params *params,
2768                             struct snd_soc_dai *dai)
2769 {
2770         struct snd_soc_codec *codec = dai->codec;
2771         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2772         struct wm8994 *control = wm8994->wm8994;
2773         struct wm8994_pdata *pdata = &control->pdata;
2774         int aif1_reg;
2775         int aif2_reg;
2776         int bclk_reg;
2777         int lrclk_reg;
2778         int rate_reg;
2779         int aif1 = 0;
2780         int aif2 = 0;
2781         int bclk = 0;
2782         int lrclk = 0;
2783         int rate_val = 0;
2784         int id = dai->id - 1;
2785 
2786         int i, cur_val, best_val, bclk_rate, best;
2787 
2788         switch (dai->id) {
2789         case 1:
2790                 aif1_reg = WM8994_AIF1_CONTROL_1;
2791                 aif2_reg = WM8994_AIF1_CONTROL_2;
2792                 bclk_reg = WM8994_AIF1_BCLK;
2793                 rate_reg = WM8994_AIF1_RATE;
2794                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2795                     wm8994->lrclk_shared[0]) {
2796                         lrclk_reg = WM8994_AIF1DAC_LRCLK;
2797                 } else {
2798                         lrclk_reg = WM8994_AIF1ADC_LRCLK;
2799                         dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
2800                 }
2801                 break;
2802         case 2:
2803                 aif1_reg = WM8994_AIF2_CONTROL_1;
2804                 aif2_reg = WM8994_AIF2_CONTROL_2;
2805                 bclk_reg = WM8994_AIF2_BCLK;
2806                 rate_reg = WM8994_AIF2_RATE;
2807                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2808                     wm8994->lrclk_shared[1]) {
2809                         lrclk_reg = WM8994_AIF2DAC_LRCLK;
2810                 } else {
2811                         lrclk_reg = WM8994_AIF2ADC_LRCLK;
2812                         dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
2813                 }
2814                 break;
2815         default:
2816                 return -EINVAL;
2817         }
2818 
2819         bclk_rate = params_rate(params);
2820         switch (params_width(params)) {
2821         case 16:
2822                 bclk_rate *= 16;
2823                 break;
2824         case 20:
2825                 bclk_rate *= 20;
2826                 aif1 |= 0x20;
2827                 break;
2828         case 24:
2829                 bclk_rate *= 24;
2830                 aif1 |= 0x40;
2831                 break;
2832         case 32:
2833                 bclk_rate *= 32;
2834                 aif1 |= 0x60;
2835                 break;
2836         default:
2837                 return -EINVAL;
2838         }
2839 
2840         wm8994->channels[id] = params_channels(params);
2841         if (pdata->max_channels_clocked[id] &&
2842             wm8994->channels[id] > pdata->max_channels_clocked[id]) {
2843                 dev_dbg(dai->dev, "Constraining channels to %d from %d\n",
2844                         pdata->max_channels_clocked[id], wm8994->channels[id]);
2845                 wm8994->channels[id] = pdata->max_channels_clocked[id];
2846         }
2847 
2848         switch (wm8994->channels[id]) {
2849         case 1:
2850         case 2:
2851                 bclk_rate *= 2;
2852                 break;
2853         default:
2854                 bclk_rate *= 4;
2855                 break;
2856         }
2857 
2858         /* Try to find an appropriate sample rate; look for an exact match. */
2859         for (i = 0; i < ARRAY_SIZE(srs); i++)
2860                 if (srs[i].rate == params_rate(params))
2861                         break;
2862         if (i == ARRAY_SIZE(srs))
2863                 return -EINVAL;
2864         rate_val |= srs[i].val << WM8994_AIF1_SR_SHIFT;
2865 
2866         dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i].rate);
2867         dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
2868                 dai->id, wm8994->aifclk[id], bclk_rate);
2869 
2870         if (wm8994->channels[id] == 1 &&
2871             (snd_soc_read(codec, aif1_reg) & 0x18) == 0x18)
2872                 aif2 |= WM8994_AIF1_MONO;
2873 
2874         if (wm8994->aifclk[id] == 0) {
2875                 dev_err(dai->dev, "AIF%dCLK not configured\n", dai->id);
2876                 return -EINVAL;
2877         }
2878 
2879         /* AIFCLK/fs ratio; look for a close match in either direction */
2880         best = 0;
2881         best_val = abs((fs_ratios[0] * params_rate(params))
2882                        - wm8994->aifclk[id]);
2883         for (i = 1; i < ARRAY_SIZE(fs_ratios); i++) {
2884                 cur_val = abs((fs_ratios[i] * params_rate(params))
2885                               - wm8994->aifclk[id]);
2886                 if (cur_val >= best_val)
2887                         continue;
2888                 best = i;
2889                 best_val = cur_val;
2890         }
2891         dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
2892                 dai->id, fs_ratios[best]);
2893         rate_val |= best;
2894 
2895         /* We may not get quite the right frequency if using
2896          * approximate clocks so look for the closest match that is
2897          * higher than the target (we need to ensure that there enough
2898          * BCLKs to clock out the samples).
2899          */
2900         best = 0;
2901         for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
2902                 cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
2903                 if (cur_val < 0) /* BCLK table is sorted */
2904                         break;
2905                 best = i;
2906         }
2907         bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
2908         dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
2909                 bclk_divs[best], bclk_rate);
2910         bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
2911 
2912         lrclk = bclk_rate / params_rate(params);
2913         if (!lrclk) {
2914                 dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
2915                         bclk_rate);
2916                 return -EINVAL;
2917         }
2918         dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
2919                 lrclk, bclk_rate / lrclk);
2920 
2921         snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2922         snd_soc_update_bits(codec, aif2_reg, WM8994_AIF1_MONO, aif2);
2923         snd_soc_update_bits(codec, bclk_reg, WM8994_AIF1_BCLK_DIV_MASK, bclk);
2924         snd_soc_update_bits(codec, lrclk_reg, WM8994_AIF1DAC_RATE_MASK,
2925                             lrclk);
2926         snd_soc_update_bits(codec, rate_reg, WM8994_AIF1_SR_MASK |
2927                             WM8994_AIF1CLK_RATE_MASK, rate_val);
2928 
2929         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2930                 switch (dai->id) {
2931                 case 1:
2932                         wm8994->dac_rates[0] = params_rate(params);
2933                         wm8994_set_retune_mobile(codec, 0);
2934                         wm8994_set_retune_mobile(codec, 1);
2935                         break;
2936                 case 2:
2937                         wm8994->dac_rates[1] = params_rate(params);
2938                         wm8994_set_retune_mobile(codec, 2);
2939                         break;
2940                 }
2941         }
2942 
2943         return 0;
2944 }
2945 
2946 static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
2947                                  struct snd_pcm_hw_params *params,
2948                                  struct snd_soc_dai *dai)
2949 {
2950         struct snd_soc_codec *codec = dai->codec;
2951         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2952         struct wm8994 *control = wm8994->wm8994;
2953         int aif1_reg;
2954         int aif1 = 0;
2955 
2956         switch (dai->id) {
2957         case 3:
2958                 switch (control->type) {
2959                 case WM1811:
2960                 case WM8958:
2961                         aif1_reg = WM8958_AIF3_CONTROL_1;
2962                         break;
2963                 default:
2964                         return 0;
2965                 }
2966                 break;
2967         default:
2968                 return 0;
2969         }
2970 
2971         switch (params_width(params)) {
2972         case 16:
2973                 break;
2974         case 20:
2975                 aif1 |= 0x20;
2976                 break;
2977         case 24:
2978                 aif1 |= 0x40;
2979                 break;
2980         case 32:
2981                 aif1 |= 0x60;
2982                 break;
2983         default:
2984                 return -EINVAL;
2985         }
2986 
2987         return snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2988 }
2989 
2990 static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute)
2991 {
2992         struct snd_soc_codec *codec = codec_dai->codec;
2993         int mute_reg;
2994         int reg;
2995 
2996         switch (codec_dai->id) {
2997         case 1:
2998                 mute_reg = WM8994_AIF1_DAC1_FILTERS_1;
2999                 break;
3000         case 2:
3001                 mute_reg = WM8994_AIF2_DAC_FILTERS_1;
3002                 break;
3003         default:
3004                 return -EINVAL;
3005         }
3006 
3007         if (mute)
3008                 reg = WM8994_AIF1DAC1_MUTE;
3009         else
3010                 reg = 0;
3011 
3012         snd_soc_update_bits(codec, mute_reg, WM8994_AIF1DAC1_MUTE, reg);
3013 
3014         return 0;
3015 }
3016 
3017 static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
3018 {
3019         struct snd_soc_codec *codec = codec_dai->codec;
3020         int reg, val, mask;
3021 
3022         switch (codec_dai->id) {
3023         case 1:
3024                 reg = WM8994_AIF1_MASTER_SLAVE;
3025                 mask = WM8994_AIF1_TRI;
3026                 break;
3027         case 2:
3028                 reg = WM8994_AIF2_MASTER_SLAVE;
3029                 mask = WM8994_AIF2_TRI;
3030                 break;
3031         default:
3032                 return -EINVAL;
3033         }
3034 
3035         if (tristate)
3036                 val = mask;
3037         else
3038                 val = 0;
3039 
3040         return snd_soc_update_bits(codec, reg, mask, val);
3041 }
3042 
3043 static int wm8994_aif2_probe(struct snd_soc_dai *dai)
3044 {
3045         struct snd_soc_codec *codec = dai->codec;
3046 
3047         /* Disable the pulls on the AIF if we're using it to save power. */
3048         snd_soc_update_bits(codec, WM8994_GPIO_3,
3049                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3050         snd_soc_update_bits(codec, WM8994_GPIO_4,
3051                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3052         snd_soc_update_bits(codec, WM8994_GPIO_5,
3053                             WM8994_GPN_PU | WM8994_GPN_PD, 0);
3054 
3055         return 0;
3056 }
3057 
3058 #define WM8994_RATES SNDRV_PCM_RATE_8000_96000
3059 
3060 #define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
3061                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
3062 
3063 static const struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
3064         .set_sysclk     = wm8994_set_dai_sysclk,
3065         .set_fmt        = wm8994_set_dai_fmt,
3066         .hw_params      = wm8994_hw_params,
3067         .digital_mute   = wm8994_aif_mute,
3068         .set_pll        = wm8994_set_fll,
3069         .set_tristate   = wm8994_set_tristate,
3070 };
3071 
3072 static const struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
3073         .set_sysclk     = wm8994_set_dai_sysclk,
3074         .set_fmt        = wm8994_set_dai_fmt,
3075         .hw_params      = wm8994_hw_params,
3076         .digital_mute   = wm8994_aif_mute,
3077         .set_pll        = wm8994_set_fll,
3078         .set_tristate   = wm8994_set_tristate,
3079 };
3080 
3081 static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
3082         .hw_params      = wm8994_aif3_hw_params,
3083 };
3084 
3085 static struct snd_soc_dai_driver wm8994_dai[] = {
3086         {
3087                 .name = "wm8994-aif1",
3088                 .id = 1,
3089                 .playback = {
3090                         .stream_name = "AIF1 Playback",
3091                         .channels_min = 1,
3092                         .channels_max = 2,
3093                         .rates = WM8994_RATES,
3094                         .formats = WM8994_FORMATS,
3095                         .sig_bits = 24,
3096                 },
3097                 .capture = {
3098                         .stream_name = "AIF1 Capture",
3099                         .channels_min = 1,
3100                         .channels_max = 2,
3101                         .rates = WM8994_RATES,
3102                         .formats = WM8994_FORMATS,
3103                         .sig_bits = 24,
3104                  },
3105                 .ops = &wm8994_aif1_dai_ops,
3106         },
3107         {
3108                 .name = "wm8994-aif2",
3109                 .id = 2,
3110                 .playback = {
3111                         .stream_name = "AIF2 Playback",
3112                         .channels_min = 1,
3113                         .channels_max = 2,
3114                         .rates = WM8994_RATES,
3115                         .formats = WM8994_FORMATS,
3116                         .sig_bits = 24,
3117                 },
3118                 .capture = {
3119                         .stream_name = "AIF2 Capture",
3120                         .channels_min = 1,
3121                         .channels_max = 2,
3122                         .rates = WM8994_RATES,
3123                         .formats = WM8994_FORMATS,
3124                         .sig_bits = 24,
3125                 },
3126                 .probe = wm8994_aif2_probe,
3127                 .ops = &wm8994_aif2_dai_ops,
3128         },
3129         {
3130                 .name = "wm8994-aif3",
3131                 .id = 3,
3132                 .playback = {
3133                         .stream_name = "AIF3 Playback",
3134                         .channels_min = 1,
3135                         .channels_max = 2,
3136                         .rates = WM8994_RATES,
3137                         .formats = WM8994_FORMATS,
3138                         .sig_bits = 24,
3139                 },
3140                 .capture = {
3141                         .stream_name = "AIF3 Capture",
3142                         .channels_min = 1,
3143                         .channels_max = 2,
3144                         .rates = WM8994_RATES,
3145                         .formats = WM8994_FORMATS,
3146                         .sig_bits = 24,
3147                  },
3148                 .ops = &wm8994_aif3_dai_ops,
3149         }
3150 };
3151 
3152 #ifdef CONFIG_PM
3153 static int wm8994_codec_suspend(struct snd_soc_codec *codec)
3154 {
3155         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3156         int i, ret;
3157 
3158         for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3159                 memcpy(&wm8994->fll_suspend[i], &wm8994->fll[i],
3160                        sizeof(struct wm8994_fll_config));
3161                 ret = _wm8994_set_fll(codec, i + 1, 0, 0, 0);
3162                 if (ret < 0)
3163                         dev_warn(codec->dev, "Failed to stop FLL%d: %d\n",
3164                                  i + 1, ret);
3165         }
3166 
3167         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
3168 
3169         return 0;
3170 }
3171 
3172 static int wm8994_codec_resume(struct snd_soc_codec *codec)
3173 {
3174         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3175         int i, ret;
3176 
3177         for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3178                 if (!wm8994->fll_suspend[i].out)
3179                         continue;
3180 
3181                 ret = _wm8994_set_fll(codec, i + 1,
3182                                      wm8994->fll_suspend[i].src,
3183                                      wm8994->fll_suspend[i].in,
3184                                      wm8994->fll_suspend[i].out);
3185                 if (ret < 0)
3186                         dev_warn(codec->dev, "Failed to restore FLL%d: %d\n",
3187                                  i + 1, ret);
3188         }
3189 
3190         return 0;
3191 }
3192 #else
3193 #define wm8994_codec_suspend NULL
3194 #define wm8994_codec_resume NULL
3195 #endif
3196 
3197 static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
3198 {
3199         struct snd_soc_codec *codec = wm8994->hubs.codec;
3200         struct wm8994 *control = wm8994->wm8994;
3201         struct wm8994_pdata *pdata = &control->pdata;
3202         struct snd_kcontrol_new controls[] = {
3203                 SOC_ENUM_EXT("AIF1.1 EQ Mode",
3204                              wm8994->retune_mobile_enum,
3205                              wm8994_get_retune_mobile_enum,
3206                              wm8994_put_retune_mobile_enum),
3207                 SOC_ENUM_EXT("AIF1.2 EQ Mode",
3208                              wm8994->retune_mobile_enum,
3209                              wm8994_get_retune_mobile_enum,
3210                              wm8994_put_retune_mobile_enum),
3211                 SOC_ENUM_EXT("AIF2 EQ Mode",
3212                              wm8994->retune_mobile_enum,
3213                              wm8994_get_retune_mobile_enum,
3214                              wm8994_put_retune_mobile_enum),
3215         };
3216         int ret, i, j;
3217         const char **t;
3218 
3219         /* We need an array of texts for the enum API but the number
3220          * of texts is likely to be less than the number of
3221          * configurations due to the sample rate dependency of the
3222          * configurations. */
3223         wm8994->num_retune_mobile_texts = 0;
3224         wm8994->retune_mobile_texts = NULL;
3225         for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
3226                 for (j = 0; j < wm8994->num_retune_mobile_texts; j++) {
3227                         if (strcmp(pdata->retune_mobile_cfgs[i].name,
3228                                    wm8994->retune_mobile_texts[j]) == 0)
3229                                 break;
3230                 }
3231 
3232                 if (j != wm8994->num_retune_mobile_texts)
3233                         continue;
3234 
3235                 /* Expand the array... */
3236                 t = krealloc(wm8994->retune_mobile_texts,
3237                              sizeof(char *) *
3238                              (wm8994->num_retune_mobile_texts + 1),
3239                              GFP_KERNEL);
3240                 if (t == NULL)
3241                         continue;
3242 
3243                 /* ...store the new entry... */
3244                 t[wm8994->num_retune_mobile_texts] =
3245                         pdata->retune_mobile_cfgs[i].name;
3246 
3247                 /* ...and remember the new version. */
3248                 wm8994->num_retune_mobile_texts++;
3249                 wm8994->retune_mobile_texts = t;
3250         }
3251 
3252         dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
3253                 wm8994->num_retune_mobile_texts);
3254 
3255         wm8994->retune_mobile_enum.items = wm8994->num_retune_mobile_texts;
3256         wm8994->retune_mobile_enum.texts = wm8994->retune_mobile_texts;
3257 
3258         ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3259                                    ARRAY_SIZE(controls));
3260         if (ret != 0)
3261                 dev_err(wm8994->hubs.codec->dev,
3262                         "Failed to add ReTune Mobile controls: %d\n", ret);
3263 }
3264 
3265 static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
3266 {
3267         struct snd_soc_codec *codec = wm8994->hubs.codec;
3268         struct wm8994 *control = wm8994->wm8994;
3269         struct wm8994_pdata *pdata = &control->pdata;
3270         int ret, i;
3271 
3272         if (!pdata)
3273                 return;
3274 
3275         wm_hubs_handle_analogue_pdata(codec, pdata->lineout1_diff,
3276                                       pdata->lineout2_diff,
3277                                       pdata->lineout1fb,
3278                                       pdata->lineout2fb,
3279                                       pdata->jd_scthr,
3280                                       pdata->jd_thr,
3281                                       pdata->micb1_delay,
3282                                       pdata->micb2_delay,
3283                                       pdata->micbias1_lvl,
3284                                       pdata->micbias2_lvl);
3285 
3286         dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
3287 
3288         if (pdata->num_drc_cfgs) {
3289                 struct snd_kcontrol_new controls[] = {
3290                         SOC_ENUM_EXT("AIF1DRC1 Mode", wm8994->drc_enum,
3291                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3292                         SOC_ENUM_EXT("AIF1DRC2 Mode", wm8994->drc_enum,
3293                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3294                         SOC_ENUM_EXT("AIF2DRC Mode", wm8994->drc_enum,
3295                                      wm8994_get_drc_enum, wm8994_put_drc_enum),
3296                 };
3297 
3298                 /* We need an array of texts for the enum API */
3299                 wm8994->drc_texts = devm_kzalloc(wm8994->hubs.codec->dev,
3300                             sizeof(char *) * pdata->num_drc_cfgs, GFP_KERNEL);
3301                 if (!wm8994->drc_texts)
3302                         return;
3303 
3304                 for (i = 0; i < pdata->num_drc_cfgs; i++)
3305                         wm8994->drc_texts[i] = pdata->drc_cfgs[i].name;
3306 
3307                 wm8994->drc_enum.items = pdata->num_drc_cfgs;
3308                 wm8994->drc_enum.texts = wm8994->drc_texts;
3309 
3310                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3311                                            ARRAY_SIZE(controls));
3312                 for (i = 0; i < WM8994_NUM_DRC; i++)
3313                         wm8994_set_drc(codec, i);
3314         } else {
3315                 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
3316                                                  wm8994_drc_controls,
3317                                                  ARRAY_SIZE(wm8994_drc_controls));
3318         }
3319 
3320         if (ret != 0)
3321                 dev_err(wm8994->hubs.codec->dev,
3322                         "Failed to add DRC mode controls: %d\n", ret);
3323 
3324 
3325         dev_dbg(codec->dev, "%d ReTune Mobile configurations\n",
3326                 pdata->num_retune_mobile_cfgs);
3327 
3328         if (pdata->num_retune_mobile_cfgs)
3329                 wm8994_handle_retune_mobile_pdata(wm8994);
3330         else
3331                 snd_soc_add_codec_controls(wm8994->hubs.codec, wm8994_eq_controls,
3332                                      ARRAY_SIZE(wm8994_eq_controls));
3333 
3334         for (i = 0; i < ARRAY_SIZE(pdata->micbias); i++) {
3335                 if (pdata->micbias[i]) {
3336                         snd_soc_write(codec, WM8958_MICBIAS1 + i,
3337                                 pdata->micbias[i] & 0xffff);
3338                 }
3339         }
3340 }
3341 
3342 /**
3343  * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ
3344  *
3345  * @codec:   WM8994 codec
3346  * @jack:    jack to report detection events on
3347  * @micbias: microphone bias to detect on
3348  *
3349  * Enable microphone detection via IRQ on the WM8994.  If GPIOs are
3350  * being used to bring out signals to the processor then only platform
3351  * data configuration is needed for WM8994 and processor GPIOs should
3352  * be configured using snd_soc_jack_add_gpios() instead.
3353  *
3354  * Configuration of detection levels is available via the micbias1_lvl
3355  * and micbias2_lvl platform data members.
3356  */
3357 int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3358                       int micbias)
3359 {
3360         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3361         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3362         struct wm8994_micdet *micdet;
3363         struct wm8994 *control = wm8994->wm8994;
3364         int reg, ret;
3365 
3366         if (control->type != WM8994) {
3367                 dev_warn(codec->dev, "Not a WM8994\n");
3368                 return -EINVAL;
3369         }
3370 
3371         switch (micbias) {
3372         case 1:
3373                 micdet = &wm8994->micdet[0];
3374                 if (jack)
3375                         ret = snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
3376                 else
3377                         ret = snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
3378                 break;
3379         case 2:
3380                 micdet = &wm8994->micdet[1];
3381                 if (jack)
3382                         ret = snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
3383                 else
3384                         ret = snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
3385                 break;
3386         default:
3387                 dev_warn(codec->dev, "Invalid MICBIAS %d\n", micbias);
3388                 return -EINVAL;
3389         }
3390 
3391         if (ret != 0)
3392                 dev_warn(codec->dev, "Failed to configure MICBIAS%d: %d\n",
3393                          micbias, ret);
3394 
3395         dev_dbg(codec->dev, "Configuring microphone detection on %d %p\n",
3396                 micbias, jack);
3397 
3398         /* Store the configuration */
3399         micdet->jack = jack;
3400         micdet->detecting = true;
3401 
3402         /* If either of the jacks is set up then enable detection */
3403         if (wm8994->micdet[0].jack || wm8994->micdet[1].jack)
3404                 reg = WM8994_MICD_ENA;
3405         else
3406                 reg = 0;
3407 
3408         snd_soc_update_bits(codec, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
3409 
3410         /* enable MICDET and MICSHRT deboune */
3411         snd_soc_update_bits(codec, WM8994_IRQ_DEBOUNCE,
3412                             WM8994_MIC1_DET_DB_MASK | WM8994_MIC1_SHRT_DB_MASK |
3413                             WM8994_MIC2_DET_DB_MASK | WM8994_MIC2_SHRT_DB_MASK,
3414                             WM8994_MIC1_DET_DB | WM8994_MIC1_SHRT_DB);
3415 
3416         snd_soc_dapm_sync(dapm);
3417 
3418         return 0;
3419 }
3420 EXPORT_SYMBOL_GPL(wm8994_mic_detect);
3421 
3422 static void wm8994_mic_work(struct work_struct *work)
3423 {
3424         struct wm8994_priv *priv = container_of(work,
3425                                                 struct wm8994_priv,
3426                                                 mic_work.work);
3427         struct regmap *regmap = priv->wm8994->regmap;
3428         struct device *dev = priv->wm8994->dev;
3429         unsigned int reg;
3430         int ret;
3431         int report;
3432 
3433         pm_runtime_get_sync(dev);
3434 
3435         ret = regmap_read(regmap, WM8994_INTERRUPT_RAW_STATUS_2, &reg);
3436         if (ret < 0) {
3437                 dev_err(dev, "Failed to read microphone status: %d\n",
3438                         ret);
3439                 pm_runtime_put(dev);
3440                 return;
3441         }
3442 
3443         dev_dbg(dev, "Microphone status: %x\n", reg);
3444 
3445         report = 0;
3446         if (reg & WM8994_MIC1_DET_STS) {
3447                 if (priv->micdet[0].detecting)
3448                         report = SND_JACK_HEADSET;
3449         }
3450         if (reg & WM8994_MIC1_SHRT_STS) {
3451                 if (priv->micdet[0].detecting)
3452                         report = SND_JACK_HEADPHONE;
3453                 else
3454                         report |= SND_JACK_BTN_0;
3455         }
3456         if (report)
3457                 priv->micdet[0].detecting = false;
3458         else
3459                 priv->micdet[0].detecting = true;
3460 
3461         snd_soc_jack_report(priv->micdet[0].jack, report,
3462                             SND_JACK_HEADSET | SND_JACK_BTN_0);
3463 
3464         report = 0;
3465         if (reg & WM8994_MIC2_DET_STS) {
3466                 if (priv->micdet[1].detecting)
3467                         report = SND_JACK_HEADSET;
3468         }
3469         if (reg & WM8994_MIC2_SHRT_STS) {
3470                 if (priv->micdet[1].detecting)
3471                         report = SND_JACK_HEADPHONE;
3472                 else
3473                         report |= SND_JACK_BTN_0;
3474         }
3475         if (report)
3476                 priv->micdet[1].detecting = false;
3477         else
3478                 priv->micdet[1].detecting = true;
3479 
3480         snd_soc_jack_report(priv->micdet[1].jack, report,
3481                             SND_JACK_HEADSET | SND_JACK_BTN_0);
3482 
3483         pm_runtime_put(dev);
3484 }
3485 
3486 static irqreturn_t wm8994_mic_irq(int irq, void *data)
3487 {
3488         struct wm8994_priv *priv = data;
3489         struct snd_soc_codec *codec = priv->hubs.codec;
3490 
3491 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3492         trace_snd_soc_jack_irq(dev_name(codec->dev));
3493 #endif
3494 
3495         pm_wakeup_event(codec->dev, 300);
3496 
3497         queue_delayed_work(system_power_efficient_wq,
3498                            &priv->mic_work, msecs_to_jiffies(250));
3499 
3500         return IRQ_HANDLED;
3501 }
3502 
3503 /* Should be called with accdet_lock held */
3504 static void wm1811_micd_stop(struct snd_soc_codec *codec)
3505 {
3506         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3507         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3508 
3509         if (!wm8994->jackdet)
3510                 return;
3511 
3512         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0);
3513 
3514         wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3515 
3516         if (wm8994->wm8994->pdata.jd_ext_cap)
3517                 snd_soc_dapm_disable_pin(dapm, "MICBIAS2");
3518 }
3519 
3520 static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
3521 {
3522         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3523         int report;
3524 
3525         report = 0;
3526         if (status & 0x4)
3527                 report |= SND_JACK_BTN_0;
3528 
3529         if (status & 0x8)
3530                 report |= SND_JACK_BTN_1;
3531 
3532         if (status & 0x10)
3533                 report |= SND_JACK_BTN_2;
3534 
3535         if (status & 0x20)
3536                 report |= SND_JACK_BTN_3;
3537 
3538         if (status & 0x40)
3539                 report |= SND_JACK_BTN_4;
3540 
3541         if (status & 0x80)
3542                 report |= SND_JACK_BTN_5;
3543 
3544         snd_soc_jack_report(wm8994->micdet[0].jack, report,
3545                             wm8994->btn_mask);
3546 }
3547 
3548 static void wm8958_open_circuit_work(struct work_struct *work)
3549 {
3550         struct wm8994_priv *wm8994 = container_of(work,
3551                                                   struct wm8994_priv,
3552                                                   open_circuit_work.work);
3553         struct device *dev = wm8994->wm8994->dev;
3554 
3555         mutex_lock(&wm8994->accdet_lock);
3556 
3557         wm1811_micd_stop(wm8994->hubs.codec);
3558 
3559         dev_dbg(dev, "Reporting open circuit\n");
3560 
3561         wm8994->jack_mic = false;
3562         wm8994->mic_detecting = true;
3563 
3564         wm8958_micd_set_rate(wm8994->hubs.codec);
3565 
3566         snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3567                             wm8994->btn_mask |
3568                             SND_JACK_HEADSET);
3569 
3570         mutex_unlock(&wm8994->accdet_lock);
3571 }
3572 
3573 static void wm8958_mic_id(void *data, u16 status)
3574 {
3575         struct snd_soc_codec *codec = data;
3576         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3577 
3578         /* Either nothing present or just starting detection */
3579         if (!(status & WM8958_MICD_STS)) {
3580                 /* If nothing present then clear our statuses */
3581                 dev_dbg(codec->dev, "Detected open circuit\n");
3582 
3583                 queue_delayed_work(system_power_efficient_wq,
3584                                    &wm8994->open_circuit_work,
3585                                    msecs_to_jiffies(2500));
3586                 return;
3587         }
3588 
3589         /* If the measurement is showing a high impedence we've got a
3590          * microphone.
3591          */
3592         if (status & 0x600) {
3593                 dev_dbg(codec->dev, "Detected microphone\n");
3594 
3595                 wm8994->mic_detecting = false;
3596                 wm8994->jack_mic = true;
3597 
3598                 wm8958_micd_set_rate(codec);
3599 
3600                 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET,
3601                                     SND_JACK_HEADSET);
3602         }
3603 
3604 
3605         if (status & 0xfc) {
3606                 dev_dbg(codec->dev, "Detected headphone\n");
3607                 wm8994->mic_detecting = false;
3608 
3609                 wm8958_micd_set_rate(codec);
3610 
3611                 /* If we have jackdet that will detect removal */
3612                 wm1811_micd_stop(codec);
3613 
3614                 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
3615                                     SND_JACK_HEADSET);
3616         }
3617 }
3618 
3619 /* Deferred mic detection to allow for extra settling time */
3620 static void wm1811_mic_work(struct work_struct *work)
3621 {
3622         struct wm8994_priv *wm8994 = container_of(work, struct wm8994_priv,
3623                                                   mic_work.work);
3624         struct wm8994 *control = wm8994->wm8994;
3625         struct snd_soc_codec *codec = wm8994->hubs.codec;
3626         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3627 
3628         pm_runtime_get_sync(codec->dev);
3629 
3630         /* If required for an external cap force MICBIAS on */
3631         if (control->pdata.jd_ext_cap) {
3632                 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS2");
3633                 snd_soc_dapm_sync(dapm);
3634         }
3635 
3636         mutex_lock(&wm8994->accdet_lock);
3637 
3638         dev_dbg(codec->dev, "Starting mic detection\n");
3639 
3640         /* Use a user-supplied callback if we have one */
3641         if (wm8994->micd_cb) {
3642                 wm8994->micd_cb(wm8994->micd_cb_data);
3643         } else {
3644                 /*
3645                  * Start off measument of microphone impedence to find out
3646                  * what's actually there.
3647                  */
3648                 wm8994->mic_detecting = true;
3649                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_MIC);
3650 
3651                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3652                                     WM8958_MICD_ENA, WM8958_MICD_ENA);
3653         }
3654 
3655         mutex_unlock(&wm8994->accdet_lock);
3656 
3657         pm_runtime_put(codec->dev);
3658 }
3659 
3660 static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
3661 {
3662         struct wm8994_priv *wm8994 = data;
3663         struct wm8994 *control = wm8994->wm8994;
3664         struct snd_soc_codec *codec = wm8994->hubs.codec;
3665         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3666         int reg, delay;
3667         bool present;
3668 
3669         pm_runtime_get_sync(codec->dev);
3670 
3671         cancel_delayed_work_sync(&wm8994->mic_complete_work);
3672 
3673         mutex_lock(&wm8994->accdet_lock);
3674 
3675         reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3676         if (reg < 0) {
3677                 dev_err(codec->dev, "Failed to read jack status: %d\n", reg);
3678                 mutex_unlock(&wm8994->accdet_lock);
3679                 pm_runtime_put(codec->dev);
3680                 return IRQ_NONE;
3681         }
3682 
3683         dev_dbg(codec->dev, "JACKDET %x\n", reg);
3684 
3685         present = reg & WM1811_JACKDET_LVL;
3686 
3687         if (present) {
3688                 dev_dbg(codec->dev, "Jack detected\n");
3689 
3690                 wm8958_micd_set_rate(codec);
3691 
3692                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
3693                                     WM8958_MICB2_DISCH, 0);
3694 
3695                 /* Disable debounce while inserted */
3696                 snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3697                                     WM1811_JACKDET_DB, 0);
3698 
3699                 delay = control->pdata.micdet_delay;
3700                 queue_delayed_work(system_power_efficient_wq,
3701                                    &wm8994->mic_work,
3702                                    msecs_to_jiffies(delay));
3703         } else {
3704                 dev_dbg(codec->dev, "Jack not detected\n");
3705 
3706                 cancel_delayed_work_sync(&wm8994->mic_work);
3707 
3708                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
3709                                     WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
3710 
3711                 /* Enable debounce while removed */
3712                 snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3713                                     WM1811_JACKDET_DB, WM1811_JACKDET_DB);
3714 
3715                 wm8994->mic_detecting = false;
3716                 wm8994->jack_mic = false;
3717                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3718                                     WM8958_MICD_ENA, 0);
3719                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3720         }
3721 
3722         mutex_unlock(&wm8994->accdet_lock);
3723 
3724         /* Turn off MICBIAS if it was on for an external cap */
3725         if (control->pdata.jd_ext_cap && !present)
3726                 snd_soc_dapm_disable_pin(dapm, "MICBIAS2");
3727 
3728         if (present)
3729                 snd_soc_jack_report(wm8994->micdet[0].jack,
3730                                     SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
3731         else
3732                 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3733                                     SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3734                                     wm8994->btn_mask);
3735 
3736         /* Since we only report deltas force an update, ensures we
3737          * avoid bootstrapping issues with the core. */
3738         snd_soc_jack_report(wm8994->micdet[0].jack, 0, 0);
3739 
3740         pm_runtime_put(codec->dev);
3741         return IRQ_HANDLED;
3742 }
3743 
3744 static void wm1811_jackdet_bootstrap(struct work_struct *work)
3745 {
3746         struct wm8994_priv *wm8994 = container_of(work,
3747                                                 struct wm8994_priv,
3748                                                 jackdet_bootstrap.work);
3749         wm1811_jackdet_irq(0, wm8994);
3750 }
3751 
3752 /**
3753  * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ
3754  *
3755  * @codec:   WM8958 codec
3756  * @jack:    jack to report detection events on
3757  *
3758  * Enable microphone detection functionality for the WM8958.  By
3759  * default simple detection which supports the detection of up to 6
3760  * buttons plus video and microphone functionality is supported.
3761  *
3762  * The WM8958 has an advanced jack detection facility which is able to
3763  * support complex accessory detection, especially when used in
3764  * conjunction with external circuitry.  In order to provide maximum
3765  * flexiblity a callback is provided which allows a completely custom
3766  * detection algorithm.
3767  */
3768 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3769                       wm1811_micdet_cb det_cb, void *det_cb_data,
3770                       wm1811_mic_id_cb id_cb, void *id_cb_data)
3771 {
3772         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3773         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3774         struct wm8994 *control = wm8994->wm8994;
3775         u16 micd_lvl_sel;
3776 
3777         switch (control->type) {
3778         case WM1811:
3779         case WM8958:
3780                 break;
3781         default:
3782                 return -EINVAL;
3783         }
3784 
3785         if (jack) {
3786                 snd_soc_dapm_force_enable_pin(dapm, "CLK_SYS");
3787                 snd_soc_dapm_sync(dapm);
3788 
3789                 wm8994->micdet[0].jack = jack;
3790 
3791                 if (det_cb) {
3792                         wm8994->micd_cb = det_cb;
3793                         wm8994->micd_cb_data = det_cb_data;
3794                 } else {
3795                         wm8994->mic_detecting = true;
3796                         wm8994->jack_mic = false;
3797                 }
3798 
3799                 if (id_cb) {
3800                         wm8994->mic_id_cb = id_cb;
3801                         wm8994->mic_id_cb_data = id_cb_data;
3802                 } else {
3803                         wm8994->mic_id_cb = wm8958_mic_id;
3804                         wm8994->mic_id_cb_data = codec;
3805                 }
3806 
3807                 wm8958_micd_set_rate(codec);
3808 
3809                 /* Detect microphones and short circuits by default */
3810                 if (control->pdata.micd_lvl_sel)
3811                         micd_lvl_sel = control->pdata.micd_lvl_sel;
3812                 else
3813                         micd_lvl_sel = 0x41;
3814 
3815                 wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
3816                         SND_JACK_BTN_2 | SND_JACK_BTN_3 |
3817                         SND_JACK_BTN_4 | SND_JACK_BTN_5;
3818 
3819                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_2,
3820                                     WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
3821 
3822                 WARN_ON(snd_soc_codec_get_bias_level(codec) > SND_SOC_BIAS_STANDBY);
3823 
3824                 /*
3825                  * If we can use jack detection start off with that,
3826                  * otherwise jump straight to microphone detection.
3827                  */
3828                 if (wm8994->jackdet) {
3829                         /* Disable debounce for the initial detect */
3830                         snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3831                                             WM1811_JACKDET_DB, 0);
3832 
3833                         snd_soc_update_bits(codec, WM8958_MICBIAS2,
3834                                             WM8958_MICB2_DISCH,
3835                                             WM8958_MICB2_DISCH);
3836                         snd_soc_update_bits(codec, WM8994_LDO_1,
3837                                             WM8994_LDO1_DISCH, 0);
3838                         wm1811_jackdet_set_mode(codec,
3839                                                 WM1811_JACKDET_MODE_JACK);
3840                 } else {
3841                         snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3842                                             WM8958_MICD_ENA, WM8958_MICD_ENA);
3843                 }
3844 
3845         } else {
3846                 snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3847                                     WM8958_MICD_ENA, 0);
3848                 wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_NONE);
3849                 snd_soc_dapm_disable_pin(dapm, "CLK_SYS");
3850                 snd_soc_dapm_sync(dapm);
3851         }
3852 
3853         return 0;
3854 }
3855 EXPORT_SYMBOL_GPL(wm8958_mic_detect);
3856 
3857 static void wm8958_mic_work(struct work_struct *work)
3858 {
3859         struct wm8994_priv *wm8994 = container_of(work,
3860                                                   struct wm8994_priv,
3861                                                   mic_complete_work.work);
3862         struct snd_soc_codec *codec = wm8994->hubs.codec;
3863 
3864         pm_runtime_get_sync(codec->dev);
3865 
3866         mutex_lock(&wm8994->accdet_lock);
3867 
3868         wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
3869 
3870         mutex_unlock(&wm8994->accdet_lock);
3871 
3872         pm_runtime_put(codec->dev);
3873 }
3874 
3875 static irqreturn_t wm8958_mic_irq(int irq, void *data)
3876 {
3877         struct wm8994_priv *wm8994 = data;
3878         struct snd_soc_codec *codec = wm8994->hubs.codec;
3879         int reg, count, ret, id_delay;
3880 
3881         /*
3882          * Jack detection may have detected a removal simulataneously
3883          * with an update of the MICDET status; if so it will have
3884          * stopped detection and we can ignore this interrupt.
3885          */
3886         if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
3887                 return IRQ_HANDLED;
3888 
3889         cancel_delayed_work_sync(&wm8994->mic_complete_work);
3890         cancel_delayed_work_sync(&wm8994->open_circuit_work);
3891 
3892         pm_runtime_get_sync(codec->dev);
3893 
3894         /* We may occasionally read a detection without an impedence
3895          * range being provided - if that happens loop again.
3896          */
3897         count = 10;
3898         do {
3899                 reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
3900                 if (reg < 0) {
3901                         dev_err(codec->dev,
3902                                 "Failed to read mic detect status: %d\n",
3903                                 reg);
3904                         pm_runtime_put(codec->dev);
3905                         return IRQ_NONE;
3906                 }
3907 
3908                 if (!(reg & WM8958_MICD_VALID)) {
3909                         dev_dbg(codec->dev, "Mic detect data not valid\n");
3910                         goto out;
3911                 }
3912 
3913                 if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
3914                         break;
3915 
3916                 msleep(1);
3917         } while (count--);
3918 
3919         if (count == 0)
3920                 dev_warn(codec->dev, "No impedance range reported for jack\n");
3921 
3922 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3923         trace_snd_soc_jack_irq(dev_name(codec->dev));
3924 #endif
3925 
3926         /* Avoid a transient report when the accessory is being removed */
3927         if (wm8994->jackdet) {
3928                 ret = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3929                 if (ret < 0) {
3930                         dev_err(codec->dev, "Failed to read jack status: %d\n",
3931                                 ret);
3932                 } else if (!(ret & WM1811_JACKDET_LVL)) {
3933                         dev_dbg(codec->dev, "Ignoring removed jack\n");
3934                         goto out;
3935                 }
3936         } else if (!(reg & WM8958_MICD_STS)) {
3937                 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3938                                     SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3939                                     wm8994->btn_mask);
3940                 wm8994->mic_detecting = true;
3941                 goto out;
3942         }
3943 
3944         wm8994->mic_status = reg;
3945         id_delay = wm8994->wm8994->pdata.mic_id_delay;
3946 
3947         if (wm8994->mic_detecting)
3948                 queue_delayed_work(system_power_efficient_wq,
3949                                    &wm8994->mic_complete_work,
3950                                    msecs_to_jiffies(id_delay));
3951         else
3952                 wm8958_button_det(codec, reg);
3953 
3954 out:
3955         pm_runtime_put(codec->dev);
3956         return IRQ_HANDLED;
3957 }
3958 
3959 static irqreturn_t wm8994_fifo_error(int irq, void *data)
3960 {
3961         struct snd_soc_codec *codec = data;
3962 
3963         dev_err(codec->dev, "FIFO error\n");
3964 
3965         return IRQ_HANDLED;
3966 }
3967 
3968 static irqreturn_t wm8994_temp_warn(int irq, void *data)
3969 {
3970         struct snd_soc_codec *codec = data;
3971 
3972         dev_err(codec->dev, "Thermal warning\n");
3973 
3974         return IRQ_HANDLED;
3975 }
3976 
3977 static irqreturn_t wm8994_temp_shut(int irq, void *data)
3978 {
3979         struct snd_soc_codec *codec = data;
3980 
3981         dev_crit(codec->dev, "Thermal shutdown\n");
3982 
3983         return IRQ_HANDLED;
3984 }
3985 
3986 static int wm8994_codec_probe(struct snd_soc_codec *codec)
3987 {
3988         struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3989         struct wm8994 *control = dev_get_drvdata(codec->dev->parent);
3990         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3991         unsigned int reg;
3992         int ret, i;
3993 
3994         wm8994->hubs.codec = codec;
3995 
3996         mutex_init(&wm8994->accdet_lock);
3997         INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
3998                           wm1811_jackdet_bootstrap);
3999         INIT_DELAYED_WORK(&wm8994->open_circuit_work,
4000                           wm8958_open_circuit_work);
4001 
4002         switch (control->type) {
4003         case WM8994:
4004                 INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
4005                 break;
4006         case WM1811:
4007                 INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
4008                 break;
4009         default:
4010                 break;
4011         }
4012 
4013         INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
4014 
4015         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4016                 init_completion(&wm8994->fll_locked[i]);
4017 
4018         wm8994->micdet_irq = control->pdata.micdet_irq;
4019 
4020         /* By default use idle_bias_off, will override for WM8994 */
4021         dapm->idle_bias_off = 1;
4022 
4023         /* Set revision-specific configuration */
4024         switch (control->type) {
4025         case WM8994:
4026                 /* Single ended line outputs should have VMID on. */
4027                 if (!control->pdata.lineout1_diff ||
4028                     !control->pdata.lineout2_diff)
4029                         dapm->idle_bias_off = 0;
4030 
4031                 switch (control->revision) {
4032                 case 2:
4033                 case 3:
4034                         wm8994->hubs.dcs_codes_l = -5;
4035                         wm8994->hubs.dcs_codes_r = -5;
4036                         wm8994->hubs.hp_startup_mode = 1;
4037                         wm8994->hubs.dcs_readback_mode = 1;
4038                         wm8994->hubs.series_startup = 1;
4039                         break;
4040                 default:
4041                         wm8994->hubs.dcs_readback_mode = 2;
4042                         break;
4043                 }
4044                 break;
4045 
4046         case WM8958:
4047                 wm8994->hubs.dcs_readback_mode = 1;
4048                 wm8994->hubs.hp_startup_mode = 1;
4049 
4050                 switch (control->revision) {
4051                 case 0:
4052                         break;
4053                 default:
4054                         wm8994->fll_byp = true;
4055                         break;
4056                 }
4057                 break;
4058 
4059         case WM1811:
4060                 wm8994->hubs.dcs_readback_mode = 2;
4061                 wm8994->hubs.no_series_update = 1;
4062                 wm8994->hubs.hp_startup_mode = 1;
4063                 wm8994->hubs.no_cache_dac_hp_direct = true;
4064                 wm8994->fll_byp = true;
4065 
4066                 wm8994->hubs.dcs_codes_l = -9;
4067                 wm8994->hubs.dcs_codes_r = -7;
4068 
4069                 snd_soc_update_bits(codec, WM8994_ANALOGUE_HP_1,
4070                                     WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
4071                 break;
4072 
4073         default:
4074                 break;
4075         }
4076 
4077         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR,
4078                            wm8994_fifo_error, "FIFO error", codec);
4079         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
4080                            wm8994_temp_warn, "Thermal warning", codec);
4081         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
4082                            wm8994_temp_shut, "Thermal shutdown", codec);
4083 
4084         switch (control->type) {
4085         case WM8994:
4086                 if (wm8994->micdet_irq)
4087                         ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4088                                                    wm8994_mic_irq,
4089                                                    IRQF_TRIGGER_RISING |
4090                                                    IRQF_ONESHOT,
4091                                                    "Mic1 detect",
4092                                                    wm8994);
4093                  else
4094                         ret = wm8994_request_irq(wm8994->wm8994,
4095                                         WM8994_IRQ_MIC1_DET,
4096                                         wm8994_mic_irq, "Mic 1 detect",
4097                                         wm8994);
4098 
4099                 if (ret != 0)
4100                         dev_warn(codec->dev,
4101                                  "Failed to request Mic1 detect IRQ: %d\n",
4102                                  ret);
4103 
4104 
4105                 ret = wm8994_request_irq(wm8994->wm8994,
4106                                          WM8994_IRQ_MIC1_SHRT,
4107                                          wm8994_mic_irq, "Mic 1 short",
4108                                          wm8994);
4109                 if (ret != 0)
4110                         dev_warn(codec->dev,
4111                                  "Failed to request Mic1 short IRQ: %d\n",
4112                                  ret);
4113 
4114                 ret = wm8994_request_irq(wm8994->wm8994,
4115                                          WM8994_IRQ_MIC2_DET,
4116                                          wm8994_mic_irq, "Mic 2 detect",
4117                                          wm8994);
4118                 if (ret != 0)
4119                         dev_warn(codec->dev,
4120                                  "Failed to request Mic2 detect IRQ: %d\n",
4121                                  ret);
4122 
4123                 ret = wm8994_request_irq(wm8994->wm8994,
4124                                          WM8994_IRQ_MIC2_SHRT,
4125                                          wm8994_mic_irq, "Mic 2 short",
4126                                          wm8994);
4127                 if (ret != 0)
4128                         dev_warn(codec->dev,
4129                                  "Failed to request Mic2 short IRQ: %d\n",
4130                                  ret);
4131                 break;
4132 
4133         case WM8958:
4134         case WM1811:
4135                 if (wm8994->micdet_irq) {
4136                         ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4137                                                    wm8958_mic_irq,
4138                                                    IRQF_TRIGGER_RISING |
4139                                                    IRQF_ONESHOT,
4140                                                    "Mic detect",
4141                                                    wm8994);
4142                         if (ret != 0)
4143                                 dev_warn(codec->dev,
4144                                          "Failed to request Mic detect IRQ: %d\n",
4145                                          ret);
4146                 } else {
4147                         wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4148                                            wm8958_mic_irq, "Mic detect",
4149                                            wm8994);
4150                 }
4151         }
4152 
4153         switch (control->type) {
4154         case WM1811:
4155                 if (control->cust_id > 1 || control->revision > 1) {
4156                         ret = wm8994_request_irq(wm8994->wm8994,
4157                                                  WM8994_IRQ_GPIO(6),
4158                                                  wm1811_jackdet_irq, "JACKDET",
4159                                                  wm8994);
4160                         if (ret == 0)
4161                                 wm8994->jackdet = true;
4162                 }
4163                 break;
4164         default:
4165                 break;
4166         }
4167 
4168         wm8994->fll_locked_irq = true;
4169         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
4170                 ret = wm8994_request_irq(wm8994->wm8994,
4171                                          WM8994_IRQ_FLL1_LOCK + i,
4172                                          wm8994_fll_locked_irq, "FLL lock",
4173                                          &wm8994->fll_locked[i]);
4174                 if (ret != 0)
4175                         wm8994->fll_locked_irq = false;
4176         }
4177 
4178         /* Make sure we can read from the GPIOs if they're inputs */
4179         pm_runtime_get_sync(codec->dev);
4180 
4181         /* Remember if AIFnLRCLK is configured as a GPIO.  This should be
4182          * configured on init - if a system wants to do this dynamically
4183          * at runtime we can deal with that then.
4184          */
4185         ret = regmap_read(control->regmap, WM8994_GPIO_1, &reg);
4186         if (ret < 0) {
4187                 dev_err(codec->dev, "Failed to read GPIO1 state: %d\n", ret);
4188                 goto err_irq;
4189         }
4190         if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4191                 wm8994->lrclk_shared[0] = 1;
4192                 wm8994_dai[0].symmetric_rates = 1;
4193         } else {
4194                 wm8994->lrclk_shared[0] = 0;
4195         }
4196 
4197         ret = regmap_read(control->regmap, WM8994_GPIO_6, &reg);
4198         if (ret < 0) {
4199                 dev_err(codec->dev, "Failed to read GPIO6 state: %d\n", ret);
4200                 goto err_irq;
4201         }
4202         if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4203                 wm8994->lrclk_shared[1] = 1;
4204                 wm8994_dai[1].symmetric_rates = 1;
4205         } else {
4206                 wm8994->lrclk_shared[1] = 0;
4207         }
4208 
4209         pm_runtime_put(codec->dev);
4210 
4211         /* Latch volume update bits */
4212         for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
4213                 snd_soc_update_bits(codec, wm8994_vu_bits[i].reg,
4214                                     wm8994_vu_bits[i].mask,
4215                                     wm8994_vu_bits[i].mask);
4216 
4217         /* Set the low bit of the 3D stereo depth so TLV matches */
4218         snd_soc_update_bits(codec, WM8994_AIF1_DAC1_FILTERS_2,
4219                             1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT,
4220                             1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT);
4221         snd_soc_update_bits(codec, WM8994_AIF1_DAC2_FILTERS_2,
4222                             1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT,
4223                             1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT);
4224         snd_soc_update_bits(codec, WM8994_AIF2_DAC_FILTERS_2,
4225                             1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
4226                             1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
4227 
4228         /* Unconditionally enable AIF1 ADC TDM mode on chips which can
4229          * use this; it only affects behaviour on idle TDM clock
4230          * cycles. */
4231         switch (control->type) {
4232         case WM8994:
4233         case WM8958:
4234                 snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
4235                                     WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
4236                 break;
4237         default:
4238                 break;
4239         }
4240 
4241         /* Put MICBIAS into bypass mode by default on newer devices */
4242         switch (control->type) {
4243         case WM8958:
4244         case WM1811:
4245                 snd_soc_update_bits(codec, WM8958_MICBIAS1,
4246                                     WM8958_MICB1_MODE, WM8958_MICB1_MODE);
4247                 snd_soc_update_bits(codec, WM8958_MICBIAS2,
4248                                     WM8958_MICB2_MODE, WM8958_MICB2_MODE);
4249                 break;
4250         default:
4251                 break;
4252         }
4253 
4254         wm8994->hubs.check_class_w_digital = wm8994_check_class_w_digital;
4255         wm_hubs_update_class_w(codec);
4256 
4257         wm8994_handle_pdata(wm8994);
4258 
4259         wm_hubs_add_analogue_controls(codec);
4260         snd_soc_add_codec_controls(codec, wm8994_snd_controls,
4261                              ARRAY_SIZE(wm8994_snd_controls));
4262         snd_soc_dapm_new_controls(dapm, wm8994_dapm_widgets,
4263                                   ARRAY_SIZE(wm8994_dapm_widgets));
4264 
4265         switch (control->type) {
4266         case WM8994:
4267                 snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
4268                                           ARRAY_SIZE(wm8994_specific_dapm_widgets));
4269                 if (control->revision < 4) {
4270                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4271                                                   ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4272                         snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4273                                                   ARRAY_SIZE(wm8994_adc_revd_widgets));
4274                         snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4275                                                   ARRAY_SIZE(wm8994_dac_revd_widgets));
4276                 } else {
4277                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4278                                                   ARRAY_SIZE(wm8994_lateclk_widgets));
4279                         snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4280                                                   ARRAY_SIZE(wm8994_adc_widgets));
4281                         snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4282                                                   ARRAY_SIZE(wm8994_dac_widgets));
4283                 }
4284                 break;
4285         case WM8958:
4286                 snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4287                                      ARRAY_SIZE(wm8958_snd_controls));
4288                 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4289                                           ARRAY_SIZE(wm8958_dapm_widgets));
4290                 if (control->revision < 1) {
4291                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4292                                                   ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4293                         snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4294                                                   ARRAY_SIZE(wm8994_adc_revd_widgets));
4295                         snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4296                                                   ARRAY_SIZE(wm8994_dac_revd_widgets));
4297                 } else {
4298                         snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4299                                                   ARRAY_SIZE(wm8994_lateclk_widgets));
4300                         snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4301                                                   ARRAY_SIZE(wm8994_adc_widgets));
4302                         snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4303                                                   ARRAY_SIZE(wm8994_dac_widgets));
4304                 }
4305                 break;
4306 
4307         case WM1811:
4308                 snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4309                                      ARRAY_SIZE(wm8958_snd_controls));
4310                 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4311                                           ARRAY_SIZE(wm8958_dapm_widgets));
4312                 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4313                                           ARRAY_SIZE(wm8994_lateclk_widgets));
4314                 snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4315                                           ARRAY_SIZE(wm8994_adc_widgets));
4316                 snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4317                                           ARRAY_SIZE(wm8994_dac_widgets));
4318                 break;
4319         }
4320 
4321         wm_hubs_add_analogue_routes(codec, 0, 0);
4322         ret = wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4323                                  wm_hubs_dcs_done, "DC servo done",
4324                                  &wm8994->hubs);
4325         if (ret == 0)
4326                 wm8994->hubs.dcs_done_irq = true;
4327         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
4328 
4329         switch (control->type) {
4330         case WM8994:
4331                 snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4332                                         ARRAY_SIZE(wm8994_intercon));
4333 
4334                 if (control->revision < 4) {
4335                         snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4336                                                 ARRAY_SIZE(wm8994_revd_intercon));
4337                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4338                                                 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4339                 } else {
4340                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4341                                                 ARRAY_SIZE(wm8994_lateclk_intercon));
4342                 }
4343                 break;
4344         case WM8958:
4345                 if (control->revision < 1) {
4346                         snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4347                                                 ARRAY_SIZE(wm8994_intercon));
4348                         snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4349                                                 ARRAY_SIZE(wm8994_revd_intercon));
4350                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4351                                                 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4352                 } else {
4353                         snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4354                                                 ARRAY_SIZE(wm8994_lateclk_intercon));
4355                         snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4356                                                 ARRAY_SIZE(wm8958_intercon));
4357                 }
4358 
4359                 wm8958_dsp2_init(codec);
4360                 break;
4361         case WM1811:
4362                 snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4363                                         ARRAY_SIZE(wm8994_lateclk_intercon));
4364                 snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4365                                         ARRAY_SIZE(wm8958_intercon));
4366                 break;
4367         }
4368 
4369         return 0;
4370 
4371 err_irq:
4372         if (wm8994->jackdet)
4373                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4374         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_SHRT, wm8994);
4375         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET, wm8994);
4376         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT, wm8994);
4377         if (wm8994->micdet_irq)
4378                 free_irq(wm8994->micdet_irq, wm8994);
4379         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4380                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4381                                 &wm8994->fll_locked[i]);
4382         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4383                         &wm8994->hubs);
4384         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4385         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4386         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4387 
4388         return ret;
4389 }
4390 
4391 static int wm8994_codec_remove(struct snd_soc_codec *codec)
4392 {
4393         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
4394         struct wm8994 *control = wm8994->wm8994;
4395         int i;
4396 
4397         for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4398                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4399                                 &wm8994->fll_locked[i]);
4400 
4401         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4402                         &wm8994->hubs);
4403         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4404         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4405         wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4406 
4407         if (wm8994->jackdet)
4408                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4409 
4410         switch (control->type) {
4411         case WM8994:
4412                 if (wm8994->micdet_irq)
4413                         free_irq(wm8994->micdet_irq, wm8994);
4414                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET,
4415                                 wm8994);
4416                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT,
4417                                 wm8994);
4418                 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4419                                 wm8994);
4420                 break;
4421 
4422         case WM1811:
4423         case WM8958:
4424                 if (wm8994->micdet_irq)
4425                         free_irq(wm8994->micdet_irq, wm8994);
4426                 break;
4427         }
4428         release_firmware(wm8994->mbc);
4429         release_firmware(wm8994->mbc_vss);
4430         release_firmware(wm8994->enh_eq);
4431         kfree(wm8994->retune_mobile_texts);
4432         return 0;
4433 }
4434 
4435 static struct regmap *wm8994_get_regmap(struct device *dev)
4436 {
4437         struct wm8994 *control = dev_get_drvdata(dev->parent);
4438 
4439         return control->regmap;
4440 }
4441 
4442 static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
4443         .probe =        wm8994_codec_probe,
4444         .remove =       wm8994_codec_remove,
4445         .suspend =      wm8994_codec_suspend,
4446         .resume =       wm8994_codec_resume,
4447         .get_regmap =   wm8994_get_regmap,
4448         .set_bias_level = wm8994_set_bias_level,
4449 };
4450 
4451 static int wm8994_probe(struct platform_device *pdev)
4452 {
4453         struct wm8994_priv *wm8994;
4454 
4455         wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv),
4456                               GFP_KERNEL);
4457         if (wm8994 == NULL)
4458                 return -ENOMEM;
4459         platform_set_drvdata(pdev, wm8994);
4460 
4461         mutex_init(&wm8994->fw_lock);
4462 
4463         wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
4464 
4465         pm_runtime_enable(&pdev->dev);
4466         pm_runtime_idle(&pdev->dev);
4467 
4468         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8994,
4469                         wm8994_dai, ARRAY_SIZE(wm8994_dai));
4470 }
4471 
4472 static int wm8994_remove(struct platform_device *pdev)
4473 {
4474         snd_soc_unregister_codec(&pdev->dev);
4475         pm_runtime_disable(&pdev->dev);
4476 
4477         return 0;
4478 }
4479 
4480 #ifdef CONFIG_PM_SLEEP
4481 static int wm8994_suspend(struct device *dev)
4482 {
4483         struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4484 
4485         /* Drop down to power saving mode when system is suspended */
4486         if (wm8994->jackdet && !wm8994->active_refcount)
4487                 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4488                                    WM1811_JACKDET_MODE_MASK,
4489                                    wm8994->jackdet_mode);
4490 
4491         return 0;
4492 }
4493 
4494 static int wm8994_resume(struct device *dev)
4495 {
4496         struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4497 
4498         if (wm8994->jackdet && wm8994->jackdet_mode)
4499                 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4500                                    WM1811_JACKDET_MODE_MASK,
4501                                    WM1811_JACKDET_MODE_AUDIO);
4502 
4503         return 0;
4504 }
4505 #endif
4506 
4507 static const struct dev_pm_ops wm8994_pm_ops = {
4508         SET_SYSTEM_SLEEP_PM_OPS(wm8994_suspend, wm8994_resume)
4509 };
4510 
4511 static struct platform_driver wm8994_codec_driver = {
4512         .driver = {
4513                 .name = "wm8994-codec",
4514                 .pm = &wm8994_pm_ops,
4515         },
4516         .probe = wm8994_probe,
4517         .remove = wm8994_remove,
4518 };
4519 
4520 module_platform_driver(wm8994_codec_driver);
4521 
4522 MODULE_DESCRIPTION("ASoC WM8994 driver");
4523 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
4524 MODULE_LICENSE("GPL");
4525 MODULE_ALIAS("platform:wm8994-codec");
4526 

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