xref: /openbmc/linux/sound/soc/codecs/wm8994.c (revision d7a3d85e)
1 /*
2  * wm8994.c  --  WM8994 ALSA SoC Audio driver
3  *
4  * Copyright 2009-12 Wolfson Microelectronics plc
5  *
6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7  *
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/gcd.h>
20 #include <linux/i2c.h>
21 #include <linux/platform_device.h>
22 #include <linux/pm_runtime.h>
23 #include <linux/regulator/consumer.h>
24 #include <linux/slab.h>
25 #include <sound/core.h>
26 #include <sound/jack.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/initval.h>
31 #include <sound/tlv.h>
32 #include <trace/events/asoc.h>
33 
34 #include <linux/mfd/wm8994/core.h>
35 #include <linux/mfd/wm8994/registers.h>
36 #include <linux/mfd/wm8994/pdata.h>
37 #include <linux/mfd/wm8994/gpio.h>
38 
39 #include "wm8994.h"
40 #include "wm_hubs.h"
41 
42 #define WM1811_JACKDET_MODE_NONE  0x0000
43 #define WM1811_JACKDET_MODE_JACK  0x0100
44 #define WM1811_JACKDET_MODE_MIC   0x0080
45 #define WM1811_JACKDET_MODE_AUDIO 0x0180
46 
47 #define WM8994_NUM_DRC 3
48 #define WM8994_NUM_EQ  3
49 
50 static struct {
51 	unsigned int reg;
52 	unsigned int mask;
53 } wm8994_vu_bits[] = {
54 	{ WM8994_LEFT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
55 	{ WM8994_RIGHT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
56 	{ WM8994_LEFT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
57 	{ WM8994_RIGHT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
58 	{ WM8994_SPEAKER_VOLUME_LEFT, WM8994_SPKOUT_VU },
59 	{ WM8994_SPEAKER_VOLUME_RIGHT, WM8994_SPKOUT_VU },
60 	{ WM8994_LEFT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
61 	{ WM8994_RIGHT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
62 	{ WM8994_LEFT_OPGA_VOLUME, WM8994_MIXOUT_VU },
63 	{ WM8994_RIGHT_OPGA_VOLUME, WM8994_MIXOUT_VU },
64 
65 	{ WM8994_AIF1_DAC1_LEFT_VOLUME, WM8994_AIF1DAC1_VU },
66 	{ WM8994_AIF1_DAC1_RIGHT_VOLUME, WM8994_AIF1DAC1_VU },
67 	{ WM8994_AIF1_DAC2_LEFT_VOLUME, WM8994_AIF1DAC2_VU },
68 	{ WM8994_AIF1_DAC2_RIGHT_VOLUME, WM8994_AIF1DAC2_VU },
69 	{ WM8994_AIF2_DAC_LEFT_VOLUME, WM8994_AIF2DAC_VU },
70 	{ WM8994_AIF2_DAC_RIGHT_VOLUME, WM8994_AIF2DAC_VU },
71 	{ WM8994_AIF1_ADC1_LEFT_VOLUME, WM8994_AIF1ADC1_VU },
72 	{ WM8994_AIF1_ADC1_RIGHT_VOLUME, WM8994_AIF1ADC1_VU },
73 	{ WM8994_AIF1_ADC2_LEFT_VOLUME, WM8994_AIF1ADC2_VU },
74 	{ WM8994_AIF1_ADC2_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
75 	{ WM8994_AIF2_ADC_LEFT_VOLUME, WM8994_AIF2ADC_VU },
76 	{ WM8994_AIF2_ADC_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
77 	{ WM8994_DAC1_LEFT_VOLUME, WM8994_DAC1_VU },
78 	{ WM8994_DAC1_RIGHT_VOLUME, WM8994_DAC1_VU },
79 	{ WM8994_DAC2_LEFT_VOLUME, WM8994_DAC2_VU },
80 	{ WM8994_DAC2_RIGHT_VOLUME, WM8994_DAC2_VU },
81 };
82 
83 static int wm8994_drc_base[] = {
84 	WM8994_AIF1_DRC1_1,
85 	WM8994_AIF1_DRC2_1,
86 	WM8994_AIF2_DRC_1,
87 };
88 
89 static int wm8994_retune_mobile_base[] = {
90 	WM8994_AIF1_DAC1_EQ_GAINS_1,
91 	WM8994_AIF1_DAC2_EQ_GAINS_1,
92 	WM8994_AIF2_EQ_GAINS_1,
93 };
94 
95 static const struct wm8958_micd_rate micdet_rates[] = {
96 	{ 32768,       true,  1, 4 },
97 	{ 32768,       false, 1, 1 },
98 	{ 44100 * 256, true,  7, 10 },
99 	{ 44100 * 256, false, 7, 10 },
100 };
101 
102 static const struct wm8958_micd_rate jackdet_rates[] = {
103 	{ 32768,       true,  0, 1 },
104 	{ 32768,       false, 0, 1 },
105 	{ 44100 * 256, true,  10, 10 },
106 	{ 44100 * 256, false, 7, 8 },
107 };
108 
109 static void wm8958_micd_set_rate(struct snd_soc_codec *codec)
110 {
111 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
112 	struct wm8994 *control = wm8994->wm8994;
113 	int best, i, sysclk, val;
114 	bool idle;
115 	const struct wm8958_micd_rate *rates;
116 	int num_rates;
117 
118 	idle = !wm8994->jack_mic;
119 
120 	sysclk = snd_soc_read(codec, WM8994_CLOCKING_1);
121 	if (sysclk & WM8994_SYSCLK_SRC)
122 		sysclk = wm8994->aifclk[1];
123 	else
124 		sysclk = wm8994->aifclk[0];
125 
126 	if (control->pdata.micd_rates) {
127 		rates = control->pdata.micd_rates;
128 		num_rates = control->pdata.num_micd_rates;
129 	} else if (wm8994->jackdet) {
130 		rates = jackdet_rates;
131 		num_rates = ARRAY_SIZE(jackdet_rates);
132 	} else {
133 		rates = micdet_rates;
134 		num_rates = ARRAY_SIZE(micdet_rates);
135 	}
136 
137 	best = 0;
138 	for (i = 0; i < num_rates; i++) {
139 		if (rates[i].idle != idle)
140 			continue;
141 		if (abs(rates[i].sysclk - sysclk) <
142 		    abs(rates[best].sysclk - sysclk))
143 			best = i;
144 		else if (rates[best].idle != idle)
145 			best = i;
146 	}
147 
148 	val = rates[best].start << WM8958_MICD_BIAS_STARTTIME_SHIFT
149 		| rates[best].rate << WM8958_MICD_RATE_SHIFT;
150 
151 	dev_dbg(codec->dev, "MICD rate %d,%d for %dHz %s\n",
152 		rates[best].start, rates[best].rate, sysclk,
153 		idle ? "idle" : "active");
154 
155 	snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
156 			    WM8958_MICD_BIAS_STARTTIME_MASK |
157 			    WM8958_MICD_RATE_MASK, val);
158 }
159 
160 static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
161 {
162 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
163 	int rate;
164 	int reg1 = 0;
165 	int offset;
166 
167 	if (aif)
168 		offset = 4;
169 	else
170 		offset = 0;
171 
172 	switch (wm8994->sysclk[aif]) {
173 	case WM8994_SYSCLK_MCLK1:
174 		rate = wm8994->mclk[0];
175 		break;
176 
177 	case WM8994_SYSCLK_MCLK2:
178 		reg1 |= 0x8;
179 		rate = wm8994->mclk[1];
180 		break;
181 
182 	case WM8994_SYSCLK_FLL1:
183 		reg1 |= 0x10;
184 		rate = wm8994->fll[0].out;
185 		break;
186 
187 	case WM8994_SYSCLK_FLL2:
188 		reg1 |= 0x18;
189 		rate = wm8994->fll[1].out;
190 		break;
191 
192 	default:
193 		return -EINVAL;
194 	}
195 
196 	if (rate >= 13500000) {
197 		rate /= 2;
198 		reg1 |= WM8994_AIF1CLK_DIV;
199 
200 		dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
201 			aif + 1, rate);
202 	}
203 
204 	wm8994->aifclk[aif] = rate;
205 
206 	snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset,
207 			    WM8994_AIF1CLK_SRC_MASK | WM8994_AIF1CLK_DIV,
208 			    reg1);
209 
210 	return 0;
211 }
212 
213 static int configure_clock(struct snd_soc_codec *codec)
214 {
215 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
216 	int change, new;
217 
218 	/* Bring up the AIF clocks first */
219 	configure_aif_clock(codec, 0);
220 	configure_aif_clock(codec, 1);
221 
222 	/* Then switch CLK_SYS over to the higher of them; a change
223 	 * can only happen as a result of a clocking change which can
224 	 * only be made outside of DAPM so we can safely redo the
225 	 * clocking.
226 	 */
227 
228 	/* If they're equal it doesn't matter which is used */
229 	if (wm8994->aifclk[0] == wm8994->aifclk[1]) {
230 		wm8958_micd_set_rate(codec);
231 		return 0;
232 	}
233 
234 	if (wm8994->aifclk[0] < wm8994->aifclk[1])
235 		new = WM8994_SYSCLK_SRC;
236 	else
237 		new = 0;
238 
239 	change = snd_soc_update_bits(codec, WM8994_CLOCKING_1,
240 				     WM8994_SYSCLK_SRC, new);
241 	if (change)
242 		snd_soc_dapm_sync(&codec->dapm);
243 
244 	wm8958_micd_set_rate(codec);
245 
246 	return 0;
247 }
248 
249 static int check_clk_sys(struct snd_soc_dapm_widget *source,
250 			 struct snd_soc_dapm_widget *sink)
251 {
252 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
253 	int reg = snd_soc_read(codec, WM8994_CLOCKING_1);
254 	const char *clk;
255 
256 	/* Check what we're currently using for CLK_SYS */
257 	if (reg & WM8994_SYSCLK_SRC)
258 		clk = "AIF2CLK";
259 	else
260 		clk = "AIF1CLK";
261 
262 	return strcmp(source->name, clk) == 0;
263 }
264 
265 static const char *sidetone_hpf_text[] = {
266 	"2.7kHz", "1.35kHz", "675Hz", "370Hz", "180Hz", "90Hz", "45Hz"
267 };
268 
269 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
270 			    WM8994_SIDETONE, 7, sidetone_hpf_text);
271 
272 static const char *adc_hpf_text[] = {
273 	"HiFi", "Voice 1", "Voice 2", "Voice 3"
274 };
275 
276 static SOC_ENUM_SINGLE_DECL(aif1adc1_hpf,
277 			    WM8994_AIF1_ADC1_FILTERS, 13, adc_hpf_text);
278 
279 static SOC_ENUM_SINGLE_DECL(aif1adc2_hpf,
280 			    WM8994_AIF1_ADC2_FILTERS, 13, adc_hpf_text);
281 
282 static SOC_ENUM_SINGLE_DECL(aif2adc_hpf,
283 			    WM8994_AIF2_ADC_FILTERS, 13, adc_hpf_text);
284 
285 static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0);
286 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
287 static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0);
288 static const DECLARE_TLV_DB_SCALE(wm8994_3d_tlv, -1600, 183, 0);
289 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
290 static const DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
291 static const DECLARE_TLV_DB_SCALE(mixin_boost_tlv, 0, 900, 0);
292 
293 #define WM8994_DRC_SWITCH(xname, reg, shift) \
294 	SOC_SINGLE_EXT(xname, reg, shift, 1, 0, \
295 		snd_soc_get_volsw, wm8994_put_drc_sw)
296 
297 static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol,
298 			     struct snd_ctl_elem_value *ucontrol)
299 {
300 	struct soc_mixer_control *mc =
301 		(struct soc_mixer_control *)kcontrol->private_value;
302 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
303 	int mask, ret;
304 
305 	/* Can't enable both ADC and DAC paths simultaneously */
306 	if (mc->shift == WM8994_AIF1DAC1_DRC_ENA_SHIFT)
307 		mask = WM8994_AIF1ADC1L_DRC_ENA_MASK |
308 			WM8994_AIF1ADC1R_DRC_ENA_MASK;
309 	else
310 		mask = WM8994_AIF1DAC1_DRC_ENA_MASK;
311 
312 	ret = snd_soc_read(codec, mc->reg);
313 	if (ret < 0)
314 		return ret;
315 	if (ret & mask)
316 		return -EINVAL;
317 
318 	return snd_soc_put_volsw(kcontrol, ucontrol);
319 }
320 
321 static void wm8994_set_drc(struct snd_soc_codec *codec, int drc)
322 {
323 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
324 	struct wm8994 *control = wm8994->wm8994;
325 	struct wm8994_pdata *pdata = &control->pdata;
326 	int base = wm8994_drc_base[drc];
327 	int cfg = wm8994->drc_cfg[drc];
328 	int save, i;
329 
330 	/* Save any enables; the configuration should clear them. */
331 	save = snd_soc_read(codec, base);
332 	save &= WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
333 		WM8994_AIF1ADC1R_DRC_ENA;
334 
335 	for (i = 0; i < WM8994_DRC_REGS; i++)
336 		snd_soc_update_bits(codec, base + i, 0xffff,
337 				    pdata->drc_cfgs[cfg].regs[i]);
338 
339 	snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_DRC_ENA |
340 			     WM8994_AIF1ADC1L_DRC_ENA |
341 			     WM8994_AIF1ADC1R_DRC_ENA, save);
342 }
343 
344 /* Icky as hell but saves code duplication */
345 static int wm8994_get_drc(const char *name)
346 {
347 	if (strcmp(name, "AIF1DRC1 Mode") == 0)
348 		return 0;
349 	if (strcmp(name, "AIF1DRC2 Mode") == 0)
350 		return 1;
351 	if (strcmp(name, "AIF2DRC Mode") == 0)
352 		return 2;
353 	return -EINVAL;
354 }
355 
356 static int wm8994_put_drc_enum(struct snd_kcontrol *kcontrol,
357 			       struct snd_ctl_elem_value *ucontrol)
358 {
359 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
360 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
361 	struct wm8994 *control = wm8994->wm8994;
362 	struct wm8994_pdata *pdata = &control->pdata;
363 	int drc = wm8994_get_drc(kcontrol->id.name);
364 	int value = ucontrol->value.integer.value[0];
365 
366 	if (drc < 0)
367 		return drc;
368 
369 	if (value >= pdata->num_drc_cfgs)
370 		return -EINVAL;
371 
372 	wm8994->drc_cfg[drc] = value;
373 
374 	wm8994_set_drc(codec, drc);
375 
376 	return 0;
377 }
378 
379 static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol,
380 			       struct snd_ctl_elem_value *ucontrol)
381 {
382 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
383 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
384 	int drc = wm8994_get_drc(kcontrol->id.name);
385 
386 	if (drc < 0)
387 		return drc;
388 	ucontrol->value.enumerated.item[0] = wm8994->drc_cfg[drc];
389 
390 	return 0;
391 }
392 
393 static void wm8994_set_retune_mobile(struct snd_soc_codec *codec, int block)
394 {
395 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
396 	struct wm8994 *control = wm8994->wm8994;
397 	struct wm8994_pdata *pdata = &control->pdata;
398 	int base = wm8994_retune_mobile_base[block];
399 	int iface, best, best_val, save, i, cfg;
400 
401 	if (!pdata || !wm8994->num_retune_mobile_texts)
402 		return;
403 
404 	switch (block) {
405 	case 0:
406 	case 1:
407 		iface = 0;
408 		break;
409 	case 2:
410 		iface = 1;
411 		break;
412 	default:
413 		return;
414 	}
415 
416 	/* Find the version of the currently selected configuration
417 	 * with the nearest sample rate. */
418 	cfg = wm8994->retune_mobile_cfg[block];
419 	best = 0;
420 	best_val = INT_MAX;
421 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
422 		if (strcmp(pdata->retune_mobile_cfgs[i].name,
423 			   wm8994->retune_mobile_texts[cfg]) == 0 &&
424 		    abs(pdata->retune_mobile_cfgs[i].rate
425 			- wm8994->dac_rates[iface]) < best_val) {
426 			best = i;
427 			best_val = abs(pdata->retune_mobile_cfgs[i].rate
428 				       - wm8994->dac_rates[iface]);
429 		}
430 	}
431 
432 	dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
433 		block,
434 		pdata->retune_mobile_cfgs[best].name,
435 		pdata->retune_mobile_cfgs[best].rate,
436 		wm8994->dac_rates[iface]);
437 
438 	/* The EQ will be disabled while reconfiguring it, remember the
439 	 * current configuration.
440 	 */
441 	save = snd_soc_read(codec, base);
442 	save &= WM8994_AIF1DAC1_EQ_ENA;
443 
444 	for (i = 0; i < WM8994_EQ_REGS; i++)
445 		snd_soc_update_bits(codec, base + i, 0xffff,
446 				pdata->retune_mobile_cfgs[best].regs[i]);
447 
448 	snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_EQ_ENA, save);
449 }
450 
451 /* Icky as hell but saves code duplication */
452 static int wm8994_get_retune_mobile_block(const char *name)
453 {
454 	if (strcmp(name, "AIF1.1 EQ Mode") == 0)
455 		return 0;
456 	if (strcmp(name, "AIF1.2 EQ Mode") == 0)
457 		return 1;
458 	if (strcmp(name, "AIF2 EQ Mode") == 0)
459 		return 2;
460 	return -EINVAL;
461 }
462 
463 static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
464 					 struct snd_ctl_elem_value *ucontrol)
465 {
466 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
467 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
468 	struct wm8994 *control = wm8994->wm8994;
469 	struct wm8994_pdata *pdata = &control->pdata;
470 	int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
471 	int value = ucontrol->value.integer.value[0];
472 
473 	if (block < 0)
474 		return block;
475 
476 	if (value >= pdata->num_retune_mobile_cfgs)
477 		return -EINVAL;
478 
479 	wm8994->retune_mobile_cfg[block] = value;
480 
481 	wm8994_set_retune_mobile(codec, block);
482 
483 	return 0;
484 }
485 
486 static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
487 					 struct snd_ctl_elem_value *ucontrol)
488 {
489 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
490 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
491 	int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
492 
493 	if (block < 0)
494 		return block;
495 
496 	ucontrol->value.enumerated.item[0] = wm8994->retune_mobile_cfg[block];
497 
498 	return 0;
499 }
500 
501 static const char *aif_chan_src_text[] = {
502 	"Left", "Right"
503 };
504 
505 static SOC_ENUM_SINGLE_DECL(aif1adcl_src,
506 			    WM8994_AIF1_CONTROL_1, 15, aif_chan_src_text);
507 
508 static SOC_ENUM_SINGLE_DECL(aif1adcr_src,
509 			    WM8994_AIF1_CONTROL_1, 14, aif_chan_src_text);
510 
511 static SOC_ENUM_SINGLE_DECL(aif2adcl_src,
512 			    WM8994_AIF2_CONTROL_1, 15, aif_chan_src_text);
513 
514 static SOC_ENUM_SINGLE_DECL(aif2adcr_src,
515 			    WM8994_AIF2_CONTROL_1, 14, aif_chan_src_text);
516 
517 static SOC_ENUM_SINGLE_DECL(aif1dacl_src,
518 			    WM8994_AIF1_CONTROL_2, 15, aif_chan_src_text);
519 
520 static SOC_ENUM_SINGLE_DECL(aif1dacr_src,
521 			    WM8994_AIF1_CONTROL_2, 14, aif_chan_src_text);
522 
523 static SOC_ENUM_SINGLE_DECL(aif2dacl_src,
524 			    WM8994_AIF2_CONTROL_2, 15, aif_chan_src_text);
525 
526 static SOC_ENUM_SINGLE_DECL(aif2dacr_src,
527 			    WM8994_AIF2_CONTROL_2, 14, aif_chan_src_text);
528 
529 static const char *osr_text[] = {
530 	"Low Power", "High Performance",
531 };
532 
533 static SOC_ENUM_SINGLE_DECL(dac_osr,
534 			    WM8994_OVERSAMPLING, 0, osr_text);
535 
536 static SOC_ENUM_SINGLE_DECL(adc_osr,
537 			    WM8994_OVERSAMPLING, 1, osr_text);
538 
539 static const struct snd_kcontrol_new wm8994_snd_controls[] = {
540 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME,
541 		 WM8994_AIF1_ADC1_RIGHT_VOLUME,
542 		 1, 119, 0, digital_tlv),
543 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8994_AIF1_ADC2_LEFT_VOLUME,
544 		 WM8994_AIF1_ADC2_RIGHT_VOLUME,
545 		 1, 119, 0, digital_tlv),
546 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8994_AIF2_ADC_LEFT_VOLUME,
547 		 WM8994_AIF2_ADC_RIGHT_VOLUME,
548 		 1, 119, 0, digital_tlv),
549 
550 SOC_ENUM("AIF1ADCL Source", aif1adcl_src),
551 SOC_ENUM("AIF1ADCR Source", aif1adcr_src),
552 SOC_ENUM("AIF2ADCL Source", aif2adcl_src),
553 SOC_ENUM("AIF2ADCR Source", aif2adcr_src),
554 
555 SOC_ENUM("AIF1DACL Source", aif1dacl_src),
556 SOC_ENUM("AIF1DACR Source", aif1dacr_src),
557 SOC_ENUM("AIF2DACL Source", aif2dacl_src),
558 SOC_ENUM("AIF2DACR Source", aif2dacr_src),
559 
560 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8994_AIF1_DAC1_LEFT_VOLUME,
561 		 WM8994_AIF1_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
562 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8994_AIF1_DAC2_LEFT_VOLUME,
563 		 WM8994_AIF1_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
564 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8994_AIF2_DAC_LEFT_VOLUME,
565 		 WM8994_AIF2_DAC_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
566 
567 SOC_SINGLE_TLV("AIF1 Boost Volume", WM8994_AIF1_CONTROL_2, 10, 3, 0, aif_tlv),
568 SOC_SINGLE_TLV("AIF2 Boost Volume", WM8994_AIF2_CONTROL_2, 10, 3, 0, aif_tlv),
569 
570 SOC_SINGLE("AIF1DAC1 EQ Switch", WM8994_AIF1_DAC1_EQ_GAINS_1, 0, 1, 0),
571 SOC_SINGLE("AIF1DAC2 EQ Switch", WM8994_AIF1_DAC2_EQ_GAINS_1, 0, 1, 0),
572 SOC_SINGLE("AIF2 EQ Switch", WM8994_AIF2_EQ_GAINS_1, 0, 1, 0),
573 
574 WM8994_DRC_SWITCH("AIF1DAC1 DRC Switch", WM8994_AIF1_DRC1_1, 2),
575 WM8994_DRC_SWITCH("AIF1ADC1L DRC Switch", WM8994_AIF1_DRC1_1, 1),
576 WM8994_DRC_SWITCH("AIF1ADC1R DRC Switch", WM8994_AIF1_DRC1_1, 0),
577 
578 WM8994_DRC_SWITCH("AIF1DAC2 DRC Switch", WM8994_AIF1_DRC2_1, 2),
579 WM8994_DRC_SWITCH("AIF1ADC2L DRC Switch", WM8994_AIF1_DRC2_1, 1),
580 WM8994_DRC_SWITCH("AIF1ADC2R DRC Switch", WM8994_AIF1_DRC2_1, 0),
581 
582 WM8994_DRC_SWITCH("AIF2DAC DRC Switch", WM8994_AIF2_DRC_1, 2),
583 WM8994_DRC_SWITCH("AIF2ADCL DRC Switch", WM8994_AIF2_DRC_1, 1),
584 WM8994_DRC_SWITCH("AIF2ADCR DRC Switch", WM8994_AIF2_DRC_1, 0),
585 
586 SOC_SINGLE_TLV("DAC1 Right Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
587 	       5, 12, 0, st_tlv),
588 SOC_SINGLE_TLV("DAC1 Left Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
589 	       0, 12, 0, st_tlv),
590 SOC_SINGLE_TLV("DAC2 Right Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
591 	       5, 12, 0, st_tlv),
592 SOC_SINGLE_TLV("DAC2 Left Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
593 	       0, 12, 0, st_tlv),
594 SOC_ENUM("Sidetone HPF Mux", sidetone_hpf),
595 SOC_SINGLE("Sidetone HPF Switch", WM8994_SIDETONE, 6, 1, 0),
596 
597 SOC_ENUM("AIF1ADC1 HPF Mode", aif1adc1_hpf),
598 SOC_DOUBLE("AIF1ADC1 HPF Switch", WM8994_AIF1_ADC1_FILTERS, 12, 11, 1, 0),
599 
600 SOC_ENUM("AIF1ADC2 HPF Mode", aif1adc2_hpf),
601 SOC_DOUBLE("AIF1ADC2 HPF Switch", WM8994_AIF1_ADC2_FILTERS, 12, 11, 1, 0),
602 
603 SOC_ENUM("AIF2ADC HPF Mode", aif2adc_hpf),
604 SOC_DOUBLE("AIF2ADC HPF Switch", WM8994_AIF2_ADC_FILTERS, 12, 11, 1, 0),
605 
606 SOC_ENUM("ADC OSR", adc_osr),
607 SOC_ENUM("DAC OSR", dac_osr),
608 
609 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8994_DAC1_LEFT_VOLUME,
610 		 WM8994_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
611 SOC_DOUBLE_R("DAC1 Switch", WM8994_DAC1_LEFT_VOLUME,
612 	     WM8994_DAC1_RIGHT_VOLUME, 9, 1, 1),
613 
614 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8994_DAC2_LEFT_VOLUME,
615 		 WM8994_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
616 SOC_DOUBLE_R("DAC2 Switch", WM8994_DAC2_LEFT_VOLUME,
617 	     WM8994_DAC2_RIGHT_VOLUME, 9, 1, 1),
618 
619 SOC_SINGLE_TLV("SPKL DAC2 Volume", WM8994_SPKMIXL_ATTENUATION,
620 	       6, 1, 1, wm_hubs_spkmix_tlv),
621 SOC_SINGLE_TLV("SPKL DAC1 Volume", WM8994_SPKMIXL_ATTENUATION,
622 	       2, 1, 1, wm_hubs_spkmix_tlv),
623 
624 SOC_SINGLE_TLV("SPKR DAC2 Volume", WM8994_SPKMIXR_ATTENUATION,
625 	       6, 1, 1, wm_hubs_spkmix_tlv),
626 SOC_SINGLE_TLV("SPKR DAC1 Volume", WM8994_SPKMIXR_ATTENUATION,
627 	       2, 1, 1, wm_hubs_spkmix_tlv),
628 
629 SOC_SINGLE_TLV("AIF1DAC1 3D Stereo Volume", WM8994_AIF1_DAC1_FILTERS_2,
630 	       10, 15, 0, wm8994_3d_tlv),
631 SOC_SINGLE("AIF1DAC1 3D Stereo Switch", WM8994_AIF1_DAC1_FILTERS_2,
632 	   8, 1, 0),
633 SOC_SINGLE_TLV("AIF1DAC2 3D Stereo Volume", WM8994_AIF1_DAC2_FILTERS_2,
634 	       10, 15, 0, wm8994_3d_tlv),
635 SOC_SINGLE("AIF1DAC2 3D Stereo Switch", WM8994_AIF1_DAC2_FILTERS_2,
636 	   8, 1, 0),
637 SOC_SINGLE_TLV("AIF2DAC 3D Stereo Volume", WM8994_AIF2_DAC_FILTERS_2,
638 	       10, 15, 0, wm8994_3d_tlv),
639 SOC_SINGLE("AIF2DAC 3D Stereo Switch", WM8994_AIF2_DAC_FILTERS_2,
640 	   8, 1, 0),
641 };
642 
643 static const struct snd_kcontrol_new wm8994_eq_controls[] = {
644 SOC_SINGLE_TLV("AIF1DAC1 EQ1 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 11, 31, 0,
645 	       eq_tlv),
646 SOC_SINGLE_TLV("AIF1DAC1 EQ2 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 6, 31, 0,
647 	       eq_tlv),
648 SOC_SINGLE_TLV("AIF1DAC1 EQ3 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 1, 31, 0,
649 	       eq_tlv),
650 SOC_SINGLE_TLV("AIF1DAC1 EQ4 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 11, 31, 0,
651 	       eq_tlv),
652 SOC_SINGLE_TLV("AIF1DAC1 EQ5 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 6, 31, 0,
653 	       eq_tlv),
654 
655 SOC_SINGLE_TLV("AIF1DAC2 EQ1 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 11, 31, 0,
656 	       eq_tlv),
657 SOC_SINGLE_TLV("AIF1DAC2 EQ2 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 6, 31, 0,
658 	       eq_tlv),
659 SOC_SINGLE_TLV("AIF1DAC2 EQ3 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 1, 31, 0,
660 	       eq_tlv),
661 SOC_SINGLE_TLV("AIF1DAC2 EQ4 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 11, 31, 0,
662 	       eq_tlv),
663 SOC_SINGLE_TLV("AIF1DAC2 EQ5 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 6, 31, 0,
664 	       eq_tlv),
665 
666 SOC_SINGLE_TLV("AIF2 EQ1 Volume", WM8994_AIF2_EQ_GAINS_1, 11, 31, 0,
667 	       eq_tlv),
668 SOC_SINGLE_TLV("AIF2 EQ2 Volume", WM8994_AIF2_EQ_GAINS_1, 6, 31, 0,
669 	       eq_tlv),
670 SOC_SINGLE_TLV("AIF2 EQ3 Volume", WM8994_AIF2_EQ_GAINS_1, 1, 31, 0,
671 	       eq_tlv),
672 SOC_SINGLE_TLV("AIF2 EQ4 Volume", WM8994_AIF2_EQ_GAINS_2, 11, 31, 0,
673 	       eq_tlv),
674 SOC_SINGLE_TLV("AIF2 EQ5 Volume", WM8994_AIF2_EQ_GAINS_2, 6, 31, 0,
675 	       eq_tlv),
676 };
677 
678 static const struct snd_kcontrol_new wm8994_drc_controls[] = {
679 SND_SOC_BYTES_MASK("AIF1.1 DRC", WM8994_AIF1_DRC1_1, 5,
680 		   WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
681 		   WM8994_AIF1ADC1R_DRC_ENA),
682 SND_SOC_BYTES_MASK("AIF1.2 DRC", WM8994_AIF1_DRC2_1, 5,
683 		   WM8994_AIF1DAC2_DRC_ENA | WM8994_AIF1ADC2L_DRC_ENA |
684 		   WM8994_AIF1ADC2R_DRC_ENA),
685 SND_SOC_BYTES_MASK("AIF2 DRC", WM8994_AIF2_DRC_1, 5,
686 		   WM8994_AIF2DAC_DRC_ENA | WM8994_AIF2ADCL_DRC_ENA |
687 		   WM8994_AIF2ADCR_DRC_ENA),
688 };
689 
690 static const char *wm8958_ng_text[] = {
691 	"30ms", "125ms", "250ms", "500ms",
692 };
693 
694 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac1_ng_hold,
695 			    WM8958_AIF1_DAC1_NOISE_GATE,
696 			    WM8958_AIF1DAC1_NG_THR_SHIFT,
697 			    wm8958_ng_text);
698 
699 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac2_ng_hold,
700 			    WM8958_AIF1_DAC2_NOISE_GATE,
701 			    WM8958_AIF1DAC2_NG_THR_SHIFT,
702 			    wm8958_ng_text);
703 
704 static SOC_ENUM_SINGLE_DECL(wm8958_aif2dac_ng_hold,
705 			    WM8958_AIF2_DAC_NOISE_GATE,
706 			    WM8958_AIF2DAC_NG_THR_SHIFT,
707 			    wm8958_ng_text);
708 
709 static const struct snd_kcontrol_new wm8958_snd_controls[] = {
710 SOC_SINGLE_TLV("AIF3 Boost Volume", WM8958_AIF3_CONTROL_2, 10, 3, 0, aif_tlv),
711 
712 SOC_SINGLE("AIF1DAC1 Noise Gate Switch", WM8958_AIF1_DAC1_NOISE_GATE,
713 	   WM8958_AIF1DAC1_NG_ENA_SHIFT, 1, 0),
714 SOC_ENUM("AIF1DAC1 Noise Gate Hold Time", wm8958_aif1dac1_ng_hold),
715 SOC_SINGLE_TLV("AIF1DAC1 Noise Gate Threshold Volume",
716 	       WM8958_AIF1_DAC1_NOISE_GATE, WM8958_AIF1DAC1_NG_THR_SHIFT,
717 	       7, 1, ng_tlv),
718 
719 SOC_SINGLE("AIF1DAC2 Noise Gate Switch", WM8958_AIF1_DAC2_NOISE_GATE,
720 	   WM8958_AIF1DAC2_NG_ENA_SHIFT, 1, 0),
721 SOC_ENUM("AIF1DAC2 Noise Gate Hold Time", wm8958_aif1dac2_ng_hold),
722 SOC_SINGLE_TLV("AIF1DAC2 Noise Gate Threshold Volume",
723 	       WM8958_AIF1_DAC2_NOISE_GATE, WM8958_AIF1DAC2_NG_THR_SHIFT,
724 	       7, 1, ng_tlv),
725 
726 SOC_SINGLE("AIF2DAC Noise Gate Switch", WM8958_AIF2_DAC_NOISE_GATE,
727 	   WM8958_AIF2DAC_NG_ENA_SHIFT, 1, 0),
728 SOC_ENUM("AIF2DAC Noise Gate Hold Time", wm8958_aif2dac_ng_hold),
729 SOC_SINGLE_TLV("AIF2DAC Noise Gate Threshold Volume",
730 	       WM8958_AIF2_DAC_NOISE_GATE, WM8958_AIF2DAC_NG_THR_SHIFT,
731 	       7, 1, ng_tlv),
732 };
733 
734 static const struct snd_kcontrol_new wm1811_snd_controls[] = {
735 SOC_SINGLE_TLV("MIXINL IN1LP Boost Volume", WM8994_INPUT_MIXER_1, 7, 1, 0,
736 	       mixin_boost_tlv),
737 SOC_SINGLE_TLV("MIXINL IN1RP Boost Volume", WM8994_INPUT_MIXER_1, 8, 1, 0,
738 	       mixin_boost_tlv),
739 };
740 
741 /* We run all mode setting through a function to enforce audio mode */
742 static void wm1811_jackdet_set_mode(struct snd_soc_codec *codec, u16 mode)
743 {
744 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
745 
746 	if (!wm8994->jackdet || !wm8994->micdet[0].jack)
747 		return;
748 
749 	if (wm8994->active_refcount)
750 		mode = WM1811_JACKDET_MODE_AUDIO;
751 
752 	if (mode == wm8994->jackdet_mode)
753 		return;
754 
755 	wm8994->jackdet_mode = mode;
756 
757 	/* Always use audio mode to detect while the system is active */
758 	if (mode != WM1811_JACKDET_MODE_NONE)
759 		mode = WM1811_JACKDET_MODE_AUDIO;
760 
761 	snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
762 			    WM1811_JACKDET_MODE_MASK, mode);
763 }
764 
765 static void active_reference(struct snd_soc_codec *codec)
766 {
767 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
768 
769 	mutex_lock(&wm8994->accdet_lock);
770 
771 	wm8994->active_refcount++;
772 
773 	dev_dbg(codec->dev, "Active refcount incremented, now %d\n",
774 		wm8994->active_refcount);
775 
776 	/* If we're using jack detection go into audio mode */
777 	wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_AUDIO);
778 
779 	mutex_unlock(&wm8994->accdet_lock);
780 }
781 
782 static void active_dereference(struct snd_soc_codec *codec)
783 {
784 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
785 	u16 mode;
786 
787 	mutex_lock(&wm8994->accdet_lock);
788 
789 	wm8994->active_refcount--;
790 
791 	dev_dbg(codec->dev, "Active refcount decremented, now %d\n",
792 		wm8994->active_refcount);
793 
794 	if (wm8994->active_refcount == 0) {
795 		/* Go into appropriate detection only mode */
796 		if (wm8994->jack_mic || wm8994->mic_detecting)
797 			mode = WM1811_JACKDET_MODE_MIC;
798 		else
799 			mode = WM1811_JACKDET_MODE_JACK;
800 
801 		wm1811_jackdet_set_mode(codec, mode);
802 	}
803 
804 	mutex_unlock(&wm8994->accdet_lock);
805 }
806 
807 static int clk_sys_event(struct snd_soc_dapm_widget *w,
808 			 struct snd_kcontrol *kcontrol, int event)
809 {
810 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
811 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
812 
813 	switch (event) {
814 	case SND_SOC_DAPM_PRE_PMU:
815 		return configure_clock(codec);
816 
817 	case SND_SOC_DAPM_POST_PMU:
818 		/*
819 		 * JACKDET won't run until we start the clock and it
820 		 * only reports deltas, make sure we notify the state
821 		 * up the stack on startup.  Use a *very* generous
822 		 * timeout for paranoia, there's no urgency and we
823 		 * don't want false reports.
824 		 */
825 		if (wm8994->jackdet && !wm8994->clk_has_run) {
826 			queue_delayed_work(system_power_efficient_wq,
827 					   &wm8994->jackdet_bootstrap,
828 					   msecs_to_jiffies(1000));
829 			wm8994->clk_has_run = true;
830 		}
831 		break;
832 
833 	case SND_SOC_DAPM_POST_PMD:
834 		configure_clock(codec);
835 		break;
836 	}
837 
838 	return 0;
839 }
840 
841 static void vmid_reference(struct snd_soc_codec *codec)
842 {
843 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
844 
845 	pm_runtime_get_sync(codec->dev);
846 
847 	wm8994->vmid_refcount++;
848 
849 	dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n",
850 		wm8994->vmid_refcount);
851 
852 	if (wm8994->vmid_refcount == 1) {
853 		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
854 				    WM8994_LINEOUT1_DISCH |
855 				    WM8994_LINEOUT2_DISCH, 0);
856 
857 		wm_hubs_vmid_ena(codec);
858 
859 		switch (wm8994->vmid_mode) {
860 		default:
861 			WARN_ON(NULL == "Invalid VMID mode");
862 		case WM8994_VMID_NORMAL:
863 			/* Startup bias, VMID ramp & buffer */
864 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
865 					    WM8994_BIAS_SRC |
866 					    WM8994_VMID_DISCH |
867 					    WM8994_STARTUP_BIAS_ENA |
868 					    WM8994_VMID_BUF_ENA |
869 					    WM8994_VMID_RAMP_MASK,
870 					    WM8994_BIAS_SRC |
871 					    WM8994_STARTUP_BIAS_ENA |
872 					    WM8994_VMID_BUF_ENA |
873 					    (0x2 << WM8994_VMID_RAMP_SHIFT));
874 
875 			/* Main bias enable, VMID=2x40k */
876 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
877 					    WM8994_BIAS_ENA |
878 					    WM8994_VMID_SEL_MASK,
879 					    WM8994_BIAS_ENA | 0x2);
880 
881 			msleep(300);
882 
883 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
884 					    WM8994_VMID_RAMP_MASK |
885 					    WM8994_BIAS_SRC,
886 					    0);
887 			break;
888 
889 		case WM8994_VMID_FORCE:
890 			/* Startup bias, slow VMID ramp & buffer */
891 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
892 					    WM8994_BIAS_SRC |
893 					    WM8994_VMID_DISCH |
894 					    WM8994_STARTUP_BIAS_ENA |
895 					    WM8994_VMID_BUF_ENA |
896 					    WM8994_VMID_RAMP_MASK,
897 					    WM8994_BIAS_SRC |
898 					    WM8994_STARTUP_BIAS_ENA |
899 					    WM8994_VMID_BUF_ENA |
900 					    (0x2 << WM8994_VMID_RAMP_SHIFT));
901 
902 			/* Main bias enable, VMID=2x40k */
903 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
904 					    WM8994_BIAS_ENA |
905 					    WM8994_VMID_SEL_MASK,
906 					    WM8994_BIAS_ENA | 0x2);
907 
908 			msleep(400);
909 
910 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
911 					    WM8994_VMID_RAMP_MASK |
912 					    WM8994_BIAS_SRC,
913 					    0);
914 			break;
915 		}
916 	}
917 }
918 
919 static void vmid_dereference(struct snd_soc_codec *codec)
920 {
921 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
922 
923 	wm8994->vmid_refcount--;
924 
925 	dev_dbg(codec->dev, "Dereferencing VMID, refcount is now %d\n",
926 		wm8994->vmid_refcount);
927 
928 	if (wm8994->vmid_refcount == 0) {
929 		if (wm8994->hubs.lineout1_se)
930 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
931 					    WM8994_LINEOUT1N_ENA |
932 					    WM8994_LINEOUT1P_ENA,
933 					    WM8994_LINEOUT1N_ENA |
934 					    WM8994_LINEOUT1P_ENA);
935 
936 		if (wm8994->hubs.lineout2_se)
937 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
938 					    WM8994_LINEOUT2N_ENA |
939 					    WM8994_LINEOUT2P_ENA,
940 					    WM8994_LINEOUT2N_ENA |
941 					    WM8994_LINEOUT2P_ENA);
942 
943 		/* Start discharging VMID */
944 		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
945 				    WM8994_BIAS_SRC |
946 				    WM8994_VMID_DISCH,
947 				    WM8994_BIAS_SRC |
948 				    WM8994_VMID_DISCH);
949 
950 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
951 				    WM8994_VMID_SEL_MASK, 0);
952 
953 		msleep(400);
954 
955 		/* Active discharge */
956 		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
957 				    WM8994_LINEOUT1_DISCH |
958 				    WM8994_LINEOUT2_DISCH,
959 				    WM8994_LINEOUT1_DISCH |
960 				    WM8994_LINEOUT2_DISCH);
961 
962 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
963 				    WM8994_LINEOUT1N_ENA |
964 				    WM8994_LINEOUT1P_ENA |
965 				    WM8994_LINEOUT2N_ENA |
966 				    WM8994_LINEOUT2P_ENA, 0);
967 
968 		/* Switch off startup biases */
969 		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
970 				    WM8994_BIAS_SRC |
971 				    WM8994_STARTUP_BIAS_ENA |
972 				    WM8994_VMID_BUF_ENA |
973 				    WM8994_VMID_RAMP_MASK, 0);
974 
975 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
976 				    WM8994_VMID_SEL_MASK, 0);
977 	}
978 
979 	pm_runtime_put(codec->dev);
980 }
981 
982 static int vmid_event(struct snd_soc_dapm_widget *w,
983 		      struct snd_kcontrol *kcontrol, int event)
984 {
985 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
986 
987 	switch (event) {
988 	case SND_SOC_DAPM_PRE_PMU:
989 		vmid_reference(codec);
990 		break;
991 
992 	case SND_SOC_DAPM_POST_PMD:
993 		vmid_dereference(codec);
994 		break;
995 	}
996 
997 	return 0;
998 }
999 
1000 static bool wm8994_check_class_w_digital(struct snd_soc_codec *codec)
1001 {
1002 	int source = 0;  /* GCC flow analysis can't track enable */
1003 	int reg, reg_r;
1004 
1005 	/* We also need the same AIF source for L/R and only one path */
1006 	reg = snd_soc_read(codec, WM8994_DAC1_LEFT_MIXER_ROUTING);
1007 	switch (reg) {
1008 	case WM8994_AIF2DACL_TO_DAC1L:
1009 		dev_vdbg(codec->dev, "Class W source AIF2DAC\n");
1010 		source = 2 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1011 		break;
1012 	case WM8994_AIF1DAC2L_TO_DAC1L:
1013 		dev_vdbg(codec->dev, "Class W source AIF1DAC2\n");
1014 		source = 1 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1015 		break;
1016 	case WM8994_AIF1DAC1L_TO_DAC1L:
1017 		dev_vdbg(codec->dev, "Class W source AIF1DAC1\n");
1018 		source = 0 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1019 		break;
1020 	default:
1021 		dev_vdbg(codec->dev, "DAC mixer setting: %x\n", reg);
1022 		return false;
1023 	}
1024 
1025 	reg_r = snd_soc_read(codec, WM8994_DAC1_RIGHT_MIXER_ROUTING);
1026 	if (reg_r != reg) {
1027 		dev_vdbg(codec->dev, "Left and right DAC mixers different\n");
1028 		return false;
1029 	}
1030 
1031 	/* Set the source up */
1032 	snd_soc_update_bits(codec, WM8994_CLASS_W_1,
1033 			    WM8994_CP_DYN_SRC_SEL_MASK, source);
1034 
1035 	return true;
1036 }
1037 
1038 static int aif1clk_ev(struct snd_soc_dapm_widget *w,
1039 		      struct snd_kcontrol *kcontrol, int event)
1040 {
1041 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1042 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1043 	struct wm8994 *control = wm8994->wm8994;
1044 	int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
1045 	int i;
1046 	int dac;
1047 	int adc;
1048 	int val;
1049 
1050 	switch (control->type) {
1051 	case WM8994:
1052 	case WM8958:
1053 		mask |= WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA;
1054 		break;
1055 	default:
1056 		break;
1057 	}
1058 
1059 	switch (event) {
1060 	case SND_SOC_DAPM_PRE_PMU:
1061 		/* Don't enable timeslot 2 if not in use */
1062 		if (wm8994->channels[0] <= 2)
1063 			mask &= ~(WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
1064 
1065 		val = snd_soc_read(codec, WM8994_AIF1_CONTROL_1);
1066 		if ((val & WM8994_AIF1ADCL_SRC) &&
1067 		    (val & WM8994_AIF1ADCR_SRC))
1068 			adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA;
1069 		else if (!(val & WM8994_AIF1ADCL_SRC) &&
1070 			 !(val & WM8994_AIF1ADCR_SRC))
1071 			adc = WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1072 		else
1073 			adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA |
1074 				WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1075 
1076 		val = snd_soc_read(codec, WM8994_AIF1_CONTROL_2);
1077 		if ((val & WM8994_AIF1DACL_SRC) &&
1078 		    (val & WM8994_AIF1DACR_SRC))
1079 			dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA;
1080 		else if (!(val & WM8994_AIF1DACL_SRC) &&
1081 			 !(val & WM8994_AIF1DACR_SRC))
1082 			dac = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1083 		else
1084 			dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA |
1085 				WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1086 
1087 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1088 				    mask, adc);
1089 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1090 				    mask, dac);
1091 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1092 				    WM8994_AIF1DSPCLK_ENA |
1093 				    WM8994_SYSDSPCLK_ENA,
1094 				    WM8994_AIF1DSPCLK_ENA |
1095 				    WM8994_SYSDSPCLK_ENA);
1096 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4, mask,
1097 				    WM8994_AIF1ADC1R_ENA |
1098 				    WM8994_AIF1ADC1L_ENA |
1099 				    WM8994_AIF1ADC2R_ENA |
1100 				    WM8994_AIF1ADC2L_ENA);
1101 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5, mask,
1102 				    WM8994_AIF1DAC1R_ENA |
1103 				    WM8994_AIF1DAC1L_ENA |
1104 				    WM8994_AIF1DAC2R_ENA |
1105 				    WM8994_AIF1DAC2L_ENA);
1106 		break;
1107 
1108 	case SND_SOC_DAPM_POST_PMU:
1109 		for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1110 			snd_soc_write(codec, wm8994_vu_bits[i].reg,
1111 				      snd_soc_read(codec,
1112 						   wm8994_vu_bits[i].reg));
1113 		break;
1114 
1115 	case SND_SOC_DAPM_PRE_PMD:
1116 	case SND_SOC_DAPM_POST_PMD:
1117 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1118 				    mask, 0);
1119 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1120 				    mask, 0);
1121 
1122 		val = snd_soc_read(codec, WM8994_CLOCKING_1);
1123 		if (val & WM8994_AIF2DSPCLK_ENA)
1124 			val = WM8994_SYSDSPCLK_ENA;
1125 		else
1126 			val = 0;
1127 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1128 				    WM8994_SYSDSPCLK_ENA |
1129 				    WM8994_AIF1DSPCLK_ENA, val);
1130 		break;
1131 	}
1132 
1133 	return 0;
1134 }
1135 
1136 static int aif2clk_ev(struct snd_soc_dapm_widget *w,
1137 		      struct snd_kcontrol *kcontrol, int event)
1138 {
1139 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1140 	int i;
1141 	int dac;
1142 	int adc;
1143 	int val;
1144 
1145 	switch (event) {
1146 	case SND_SOC_DAPM_PRE_PMU:
1147 		val = snd_soc_read(codec, WM8994_AIF2_CONTROL_1);
1148 		if ((val & WM8994_AIF2ADCL_SRC) &&
1149 		    (val & WM8994_AIF2ADCR_SRC))
1150 			adc = WM8994_AIF2ADCR_ENA;
1151 		else if (!(val & WM8994_AIF2ADCL_SRC) &&
1152 			 !(val & WM8994_AIF2ADCR_SRC))
1153 			adc = WM8994_AIF2ADCL_ENA;
1154 		else
1155 			adc = WM8994_AIF2ADCL_ENA | WM8994_AIF2ADCR_ENA;
1156 
1157 
1158 		val = snd_soc_read(codec, WM8994_AIF2_CONTROL_2);
1159 		if ((val & WM8994_AIF2DACL_SRC) &&
1160 		    (val & WM8994_AIF2DACR_SRC))
1161 			dac = WM8994_AIF2DACR_ENA;
1162 		else if (!(val & WM8994_AIF2DACL_SRC) &&
1163 			 !(val & WM8994_AIF2DACR_SRC))
1164 			dac = WM8994_AIF2DACL_ENA;
1165 		else
1166 			dac = WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA;
1167 
1168 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1169 				    WM8994_AIF2ADCL_ENA |
1170 				    WM8994_AIF2ADCR_ENA, adc);
1171 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1172 				    WM8994_AIF2DACL_ENA |
1173 				    WM8994_AIF2DACR_ENA, dac);
1174 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1175 				    WM8994_AIF2DSPCLK_ENA |
1176 				    WM8994_SYSDSPCLK_ENA,
1177 				    WM8994_AIF2DSPCLK_ENA |
1178 				    WM8994_SYSDSPCLK_ENA);
1179 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1180 				    WM8994_AIF2ADCL_ENA |
1181 				    WM8994_AIF2ADCR_ENA,
1182 				    WM8994_AIF2ADCL_ENA |
1183 				    WM8994_AIF2ADCR_ENA);
1184 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1185 				    WM8994_AIF2DACL_ENA |
1186 				    WM8994_AIF2DACR_ENA,
1187 				    WM8994_AIF2DACL_ENA |
1188 				    WM8994_AIF2DACR_ENA);
1189 		break;
1190 
1191 	case SND_SOC_DAPM_POST_PMU:
1192 		for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1193 			snd_soc_write(codec, wm8994_vu_bits[i].reg,
1194 				      snd_soc_read(codec,
1195 						   wm8994_vu_bits[i].reg));
1196 		break;
1197 
1198 	case SND_SOC_DAPM_PRE_PMD:
1199 	case SND_SOC_DAPM_POST_PMD:
1200 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1201 				    WM8994_AIF2DACL_ENA |
1202 				    WM8994_AIF2DACR_ENA, 0);
1203 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1204 				    WM8994_AIF2ADCL_ENA |
1205 				    WM8994_AIF2ADCR_ENA, 0);
1206 
1207 		val = snd_soc_read(codec, WM8994_CLOCKING_1);
1208 		if (val & WM8994_AIF1DSPCLK_ENA)
1209 			val = WM8994_SYSDSPCLK_ENA;
1210 		else
1211 			val = 0;
1212 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1213 				    WM8994_SYSDSPCLK_ENA |
1214 				    WM8994_AIF2DSPCLK_ENA, val);
1215 		break;
1216 	}
1217 
1218 	return 0;
1219 }
1220 
1221 static int aif1clk_late_ev(struct snd_soc_dapm_widget *w,
1222 			   struct snd_kcontrol *kcontrol, int event)
1223 {
1224 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1225 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1226 
1227 	switch (event) {
1228 	case SND_SOC_DAPM_PRE_PMU:
1229 		wm8994->aif1clk_enable = 1;
1230 		break;
1231 	case SND_SOC_DAPM_POST_PMD:
1232 		wm8994->aif1clk_disable = 1;
1233 		break;
1234 	}
1235 
1236 	return 0;
1237 }
1238 
1239 static int aif2clk_late_ev(struct snd_soc_dapm_widget *w,
1240 			   struct snd_kcontrol *kcontrol, int event)
1241 {
1242 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1243 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1244 
1245 	switch (event) {
1246 	case SND_SOC_DAPM_PRE_PMU:
1247 		wm8994->aif2clk_enable = 1;
1248 		break;
1249 	case SND_SOC_DAPM_POST_PMD:
1250 		wm8994->aif2clk_disable = 1;
1251 		break;
1252 	}
1253 
1254 	return 0;
1255 }
1256 
1257 static int late_enable_ev(struct snd_soc_dapm_widget *w,
1258 			  struct snd_kcontrol *kcontrol, int event)
1259 {
1260 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1261 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1262 
1263 	switch (event) {
1264 	case SND_SOC_DAPM_PRE_PMU:
1265 		if (wm8994->aif1clk_enable) {
1266 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1267 			snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1268 					    WM8994_AIF1CLK_ENA_MASK,
1269 					    WM8994_AIF1CLK_ENA);
1270 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1271 			wm8994->aif1clk_enable = 0;
1272 		}
1273 		if (wm8994->aif2clk_enable) {
1274 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1275 			snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1276 					    WM8994_AIF2CLK_ENA_MASK,
1277 					    WM8994_AIF2CLK_ENA);
1278 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1279 			wm8994->aif2clk_enable = 0;
1280 		}
1281 		break;
1282 	}
1283 
1284 	/* We may also have postponed startup of DSP, handle that. */
1285 	wm8958_aif_ev(w, kcontrol, event);
1286 
1287 	return 0;
1288 }
1289 
1290 static int late_disable_ev(struct snd_soc_dapm_widget *w,
1291 			   struct snd_kcontrol *kcontrol, int event)
1292 {
1293 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1294 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1295 
1296 	switch (event) {
1297 	case SND_SOC_DAPM_POST_PMD:
1298 		if (wm8994->aif1clk_disable) {
1299 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1300 			snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1301 					    WM8994_AIF1CLK_ENA_MASK, 0);
1302 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1303 			wm8994->aif1clk_disable = 0;
1304 		}
1305 		if (wm8994->aif2clk_disable) {
1306 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1307 			snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1308 					    WM8994_AIF2CLK_ENA_MASK, 0);
1309 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1310 			wm8994->aif2clk_disable = 0;
1311 		}
1312 		break;
1313 	}
1314 
1315 	return 0;
1316 }
1317 
1318 static int adc_mux_ev(struct snd_soc_dapm_widget *w,
1319 		      struct snd_kcontrol *kcontrol, int event)
1320 {
1321 	late_enable_ev(w, kcontrol, event);
1322 	return 0;
1323 }
1324 
1325 static int micbias_ev(struct snd_soc_dapm_widget *w,
1326 		      struct snd_kcontrol *kcontrol, int event)
1327 {
1328 	late_enable_ev(w, kcontrol, event);
1329 	return 0;
1330 }
1331 
1332 static int dac_ev(struct snd_soc_dapm_widget *w,
1333 		  struct snd_kcontrol *kcontrol, int event)
1334 {
1335 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1336 	unsigned int mask = 1 << w->shift;
1337 
1338 	snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1339 			    mask, mask);
1340 	return 0;
1341 }
1342 
1343 static const char *adc_mux_text[] = {
1344 	"ADC",
1345 	"DMIC",
1346 };
1347 
1348 static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
1349 
1350 static const struct snd_kcontrol_new adcl_mux =
1351 	SOC_DAPM_ENUM("ADCL Mux", adc_enum);
1352 
1353 static const struct snd_kcontrol_new adcr_mux =
1354 	SOC_DAPM_ENUM("ADCR Mux", adc_enum);
1355 
1356 static const struct snd_kcontrol_new left_speaker_mixer[] = {
1357 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 9, 1, 0),
1358 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 7, 1, 0),
1359 SOC_DAPM_SINGLE("IN1LP Switch", WM8994_SPEAKER_MIXER, 5, 1, 0),
1360 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 3, 1, 0),
1361 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 1, 1, 0),
1362 };
1363 
1364 static const struct snd_kcontrol_new right_speaker_mixer[] = {
1365 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 8, 1, 0),
1366 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 6, 1, 0),
1367 SOC_DAPM_SINGLE("IN1RP Switch", WM8994_SPEAKER_MIXER, 4, 1, 0),
1368 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 2, 1, 0),
1369 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 0, 1, 0),
1370 };
1371 
1372 /* Debugging; dump chip status after DAPM transitions */
1373 static int post_ev(struct snd_soc_dapm_widget *w,
1374 	    struct snd_kcontrol *kcontrol, int event)
1375 {
1376 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1377 	dev_dbg(codec->dev, "SRC status: %x\n",
1378 		snd_soc_read(codec,
1379 			     WM8994_RATE_STATUS));
1380 	return 0;
1381 }
1382 
1383 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
1384 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1385 		1, 1, 0),
1386 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1387 		0, 1, 0),
1388 };
1389 
1390 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
1391 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1392 		1, 1, 0),
1393 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1394 		0, 1, 0),
1395 };
1396 
1397 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
1398 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1399 		1, 1, 0),
1400 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1401 		0, 1, 0),
1402 };
1403 
1404 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
1405 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1406 		1, 1, 0),
1407 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1408 		0, 1, 0),
1409 };
1410 
1411 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
1412 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1413 		5, 1, 0),
1414 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1415 		4, 1, 0),
1416 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1417 		2, 1, 0),
1418 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1419 		1, 1, 0),
1420 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1421 		0, 1, 0),
1422 };
1423 
1424 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
1425 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1426 		5, 1, 0),
1427 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1428 		4, 1, 0),
1429 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1430 		2, 1, 0),
1431 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1432 		1, 1, 0),
1433 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1434 		0, 1, 0),
1435 };
1436 
1437 #define WM8994_CLASS_W_SWITCH(xname, reg, shift, max, invert) \
1438 	SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
1439 		snd_soc_dapm_get_volsw, wm8994_put_class_w)
1440 
1441 static int wm8994_put_class_w(struct snd_kcontrol *kcontrol,
1442 			      struct snd_ctl_elem_value *ucontrol)
1443 {
1444 	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
1445 	int ret;
1446 
1447 	ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
1448 
1449 	wm_hubs_update_class_w(codec);
1450 
1451 	return ret;
1452 }
1453 
1454 static const struct snd_kcontrol_new dac1l_mix[] = {
1455 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1456 		      5, 1, 0),
1457 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1458 		      4, 1, 0),
1459 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1460 		      2, 1, 0),
1461 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1462 		      1, 1, 0),
1463 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1464 		      0, 1, 0),
1465 };
1466 
1467 static const struct snd_kcontrol_new dac1r_mix[] = {
1468 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1469 		      5, 1, 0),
1470 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1471 		      4, 1, 0),
1472 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1473 		      2, 1, 0),
1474 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1475 		      1, 1, 0),
1476 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1477 		      0, 1, 0),
1478 };
1479 
1480 static const char *sidetone_text[] = {
1481 	"ADC/DMIC1", "DMIC2",
1482 };
1483 
1484 static SOC_ENUM_SINGLE_DECL(sidetone1_enum,
1485 			    WM8994_SIDETONE, 0, sidetone_text);
1486 
1487 static const struct snd_kcontrol_new sidetone1_mux =
1488 	SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
1489 
1490 static SOC_ENUM_SINGLE_DECL(sidetone2_enum,
1491 			    WM8994_SIDETONE, 1, sidetone_text);
1492 
1493 static const struct snd_kcontrol_new sidetone2_mux =
1494 	SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
1495 
1496 static const char *aif1dac_text[] = {
1497 	"AIF1DACDAT", "AIF3DACDAT",
1498 };
1499 
1500 static const char *loopback_text[] = {
1501 	"None", "ADCDAT",
1502 };
1503 
1504 static SOC_ENUM_SINGLE_DECL(aif1_loopback_enum,
1505 			    WM8994_AIF1_CONTROL_2,
1506 			    WM8994_AIF1_LOOPBACK_SHIFT,
1507 			    loopback_text);
1508 
1509 static const struct snd_kcontrol_new aif1_loopback =
1510 	SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum);
1511 
1512 static SOC_ENUM_SINGLE_DECL(aif2_loopback_enum,
1513 			    WM8994_AIF2_CONTROL_2,
1514 			    WM8994_AIF2_LOOPBACK_SHIFT,
1515 			    loopback_text);
1516 
1517 static const struct snd_kcontrol_new aif2_loopback =
1518 	SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum);
1519 
1520 static SOC_ENUM_SINGLE_DECL(aif1dac_enum,
1521 			    WM8994_POWER_MANAGEMENT_6, 0, aif1dac_text);
1522 
1523 static const struct snd_kcontrol_new aif1dac_mux =
1524 	SOC_DAPM_ENUM("AIF1DAC Mux", aif1dac_enum);
1525 
1526 static const char *aif2dac_text[] = {
1527 	"AIF2DACDAT", "AIF3DACDAT",
1528 };
1529 
1530 static SOC_ENUM_SINGLE_DECL(aif2dac_enum,
1531 			    WM8994_POWER_MANAGEMENT_6, 1, aif2dac_text);
1532 
1533 static const struct snd_kcontrol_new aif2dac_mux =
1534 	SOC_DAPM_ENUM("AIF2DAC Mux", aif2dac_enum);
1535 
1536 static const char *aif2adc_text[] = {
1537 	"AIF2ADCDAT", "AIF3DACDAT",
1538 };
1539 
1540 static SOC_ENUM_SINGLE_DECL(aif2adc_enum,
1541 			    WM8994_POWER_MANAGEMENT_6, 2, aif2adc_text);
1542 
1543 static const struct snd_kcontrol_new aif2adc_mux =
1544 	SOC_DAPM_ENUM("AIF2ADC Mux", aif2adc_enum);
1545 
1546 static const char *aif3adc_text[] = {
1547 	"AIF1ADCDAT", "AIF2ADCDAT", "AIF2DACDAT", "Mono PCM",
1548 };
1549 
1550 static SOC_ENUM_SINGLE_DECL(wm8994_aif3adc_enum,
1551 			    WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1552 
1553 static const struct snd_kcontrol_new wm8994_aif3adc_mux =
1554 	SOC_DAPM_ENUM("AIF3ADC Mux", wm8994_aif3adc_enum);
1555 
1556 static SOC_ENUM_SINGLE_DECL(wm8958_aif3adc_enum,
1557 			    WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1558 
1559 static const struct snd_kcontrol_new wm8958_aif3adc_mux =
1560 	SOC_DAPM_ENUM("AIF3ADC Mux", wm8958_aif3adc_enum);
1561 
1562 static const char *mono_pcm_out_text[] = {
1563 	"None", "AIF2ADCL", "AIF2ADCR",
1564 };
1565 
1566 static SOC_ENUM_SINGLE_DECL(mono_pcm_out_enum,
1567 			    WM8994_POWER_MANAGEMENT_6, 9, mono_pcm_out_text);
1568 
1569 static const struct snd_kcontrol_new mono_pcm_out_mux =
1570 	SOC_DAPM_ENUM("Mono PCM Out Mux", mono_pcm_out_enum);
1571 
1572 static const char *aif2dac_src_text[] = {
1573 	"AIF2", "AIF3",
1574 };
1575 
1576 /* Note that these two control shouldn't be simultaneously switched to AIF3 */
1577 static SOC_ENUM_SINGLE_DECL(aif2dacl_src_enum,
1578 			    WM8994_POWER_MANAGEMENT_6, 7, aif2dac_src_text);
1579 
1580 static const struct snd_kcontrol_new aif2dacl_src_mux =
1581 	SOC_DAPM_ENUM("AIF2DACL Mux", aif2dacl_src_enum);
1582 
1583 static SOC_ENUM_SINGLE_DECL(aif2dacr_src_enum,
1584 			    WM8994_POWER_MANAGEMENT_6, 8, aif2dac_src_text);
1585 
1586 static const struct snd_kcontrol_new aif2dacr_src_mux =
1587 	SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
1588 
1589 static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
1590 SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_late_ev,
1591 	SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1592 SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_late_ev,
1593 	SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1594 
1595 SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1596 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1597 SND_SOC_DAPM_PGA_E("Late DAC1R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1598 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1599 SND_SOC_DAPM_PGA_E("Late DAC2L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1600 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1601 SND_SOC_DAPM_PGA_E("Late DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1602 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1603 SND_SOC_DAPM_PGA_E("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0,
1604 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1605 
1606 SND_SOC_DAPM_MIXER_E("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1607 		     left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer),
1608 		     late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1609 SND_SOC_DAPM_MIXER_E("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1610 		     right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer),
1611 		     late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1612 SND_SOC_DAPM_MUX_E("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux,
1613 		   late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1614 SND_SOC_DAPM_MUX_E("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux,
1615 		   late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1616 
1617 SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
1618 };
1619 
1620 static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
1621 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, aif1clk_ev,
1622 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1623 		    SND_SOC_DAPM_PRE_PMD),
1624 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, aif2clk_ev,
1625 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1626 		    SND_SOC_DAPM_PRE_PMD),
1627 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
1628 SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1629 		   left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
1630 SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1631 		   right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
1632 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux),
1633 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux),
1634 };
1635 
1636 static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
1637 SND_SOC_DAPM_DAC_E("DAC2L", NULL, SND_SOC_NOPM, 3, 0,
1638 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1639 SND_SOC_DAPM_DAC_E("DAC2R", NULL, SND_SOC_NOPM, 2, 0,
1640 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1641 SND_SOC_DAPM_DAC_E("DAC1L", NULL, SND_SOC_NOPM, 1, 0,
1642 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1643 SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0,
1644 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1645 };
1646 
1647 static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = {
1648 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
1649 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
1650 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
1651 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
1652 };
1653 
1654 static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = {
1655 SND_SOC_DAPM_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
1656 			adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1657 SND_SOC_DAPM_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
1658 			adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1659 };
1660 
1661 static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = {
1662 SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
1663 SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
1664 };
1665 
1666 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
1667 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1668 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1669 SND_SOC_DAPM_INPUT("Clock"),
1670 
1671 SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
1672 		      SND_SOC_DAPM_PRE_PMU),
1673 SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, vmid_event,
1674 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1675 
1676 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
1677 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1678 		    SND_SOC_DAPM_PRE_PMD),
1679 
1680 SND_SOC_DAPM_SUPPLY("DSP1CLK", SND_SOC_NOPM, 3, 0, NULL, 0),
1681 SND_SOC_DAPM_SUPPLY("DSP2CLK", SND_SOC_NOPM, 2, 0, NULL, 0),
1682 SND_SOC_DAPM_SUPPLY("DSPINTCLK", SND_SOC_NOPM, 1, 0, NULL, 0),
1683 
1684 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
1685 		     0, SND_SOC_NOPM, 9, 0),
1686 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
1687 		     0, SND_SOC_NOPM, 8, 0),
1688 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
1689 		      SND_SOC_NOPM, 9, 0, wm8958_aif_ev,
1690 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1691 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1R", NULL, 0,
1692 		      SND_SOC_NOPM, 8, 0, wm8958_aif_ev,
1693 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1694 
1695 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
1696 		     0, SND_SOC_NOPM, 11, 0),
1697 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
1698 		     0, SND_SOC_NOPM, 10, 0),
1699 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
1700 		      SND_SOC_NOPM, 11, 0, wm8958_aif_ev,
1701 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1702 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2R", NULL, 0,
1703 		      SND_SOC_NOPM, 10, 0, wm8958_aif_ev,
1704 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1705 
1706 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
1707 		   aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
1708 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
1709 		   aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
1710 
1711 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
1712 		   aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
1713 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
1714 		   aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
1715 
1716 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1717 		   aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
1718 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1719 		   aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
1720 
1721 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1722 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1723 
1724 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1725 		   dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1726 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1727 		   dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1728 
1729 SND_SOC_DAPM_AIF_OUT("AIF2ADCL", NULL, 0,
1730 		     SND_SOC_NOPM, 13, 0),
1731 SND_SOC_DAPM_AIF_OUT("AIF2ADCR", NULL, 0,
1732 		     SND_SOC_NOPM, 12, 0),
1733 SND_SOC_DAPM_AIF_IN_E("AIF2DACL", NULL, 0,
1734 		      SND_SOC_NOPM, 13, 0, wm8958_aif_ev,
1735 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1736 SND_SOC_DAPM_AIF_IN_E("AIF2DACR", NULL, 0,
1737 		      SND_SOC_NOPM, 12, 0, wm8958_aif_ev,
1738 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1739 
1740 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1741 SND_SOC_DAPM_AIF_IN("AIF2DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1742 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1743 SND_SOC_DAPM_AIF_OUT("AIF2ADCDAT",  NULL, 0, SND_SOC_NOPM, 0, 0),
1744 
1745 SND_SOC_DAPM_MUX("AIF1DAC Mux", SND_SOC_NOPM, 0, 0, &aif1dac_mux),
1746 SND_SOC_DAPM_MUX("AIF2DAC Mux", SND_SOC_NOPM, 0, 0, &aif2dac_mux),
1747 SND_SOC_DAPM_MUX("AIF2ADC Mux", SND_SOC_NOPM, 0, 0, &aif2adc_mux),
1748 
1749 SND_SOC_DAPM_AIF_IN("AIF3DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1750 SND_SOC_DAPM_AIF_OUT("AIF3ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1751 
1752 SND_SOC_DAPM_SUPPLY("TOCLK", WM8994_CLOCKING_1, 4, 0, NULL, 0),
1753 
1754 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8994_POWER_MANAGEMENT_4, 5, 0),
1755 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8994_POWER_MANAGEMENT_4, 4, 0),
1756 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8994_POWER_MANAGEMENT_4, 3, 0),
1757 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0),
1758 
1759 /* Power is done with the muxes since the ADC power also controls the
1760  * downsampling chain, the chip will automatically manage the analogue
1761  * specific portions.
1762  */
1763 SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0),
1764 SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1765 
1766 SND_SOC_DAPM_MUX("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),
1767 SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),
1768 
1769 SND_SOC_DAPM_POST("Debug log", post_ev),
1770 };
1771 
1772 static const struct snd_soc_dapm_widget wm8994_specific_dapm_widgets[] = {
1773 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8994_aif3adc_mux),
1774 };
1775 
1776 static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = {
1777 SND_SOC_DAPM_SUPPLY("AIF3", WM8994_POWER_MANAGEMENT_6, 5, 1, NULL, 0),
1778 SND_SOC_DAPM_MUX("Mono PCM Out Mux", SND_SOC_NOPM, 0, 0, &mono_pcm_out_mux),
1779 SND_SOC_DAPM_MUX("AIF2DACL Mux", SND_SOC_NOPM, 0, 0, &aif2dacl_src_mux),
1780 SND_SOC_DAPM_MUX("AIF2DACR Mux", SND_SOC_NOPM, 0, 0, &aif2dacr_src_mux),
1781 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8958_aif3adc_mux),
1782 };
1783 
1784 static const struct snd_soc_dapm_route intercon[] = {
1785 	{ "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1786 	{ "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1787 
1788 	{ "DSP1CLK", NULL, "CLK_SYS" },
1789 	{ "DSP2CLK", NULL, "CLK_SYS" },
1790 	{ "DSPINTCLK", NULL, "CLK_SYS" },
1791 
1792 	{ "AIF1ADC1L", NULL, "AIF1CLK" },
1793 	{ "AIF1ADC1L", NULL, "DSP1CLK" },
1794 	{ "AIF1ADC1R", NULL, "AIF1CLK" },
1795 	{ "AIF1ADC1R", NULL, "DSP1CLK" },
1796 	{ "AIF1ADC1R", NULL, "DSPINTCLK" },
1797 
1798 	{ "AIF1DAC1L", NULL, "AIF1CLK" },
1799 	{ "AIF1DAC1L", NULL, "DSP1CLK" },
1800 	{ "AIF1DAC1R", NULL, "AIF1CLK" },
1801 	{ "AIF1DAC1R", NULL, "DSP1CLK" },
1802 	{ "AIF1DAC1R", NULL, "DSPINTCLK" },
1803 
1804 	{ "AIF1ADC2L", NULL, "AIF1CLK" },
1805 	{ "AIF1ADC2L", NULL, "DSP1CLK" },
1806 	{ "AIF1ADC2R", NULL, "AIF1CLK" },
1807 	{ "AIF1ADC2R", NULL, "DSP1CLK" },
1808 	{ "AIF1ADC2R", NULL, "DSPINTCLK" },
1809 
1810 	{ "AIF1DAC2L", NULL, "AIF1CLK" },
1811 	{ "AIF1DAC2L", NULL, "DSP1CLK" },
1812 	{ "AIF1DAC2R", NULL, "AIF1CLK" },
1813 	{ "AIF1DAC2R", NULL, "DSP1CLK" },
1814 	{ "AIF1DAC2R", NULL, "DSPINTCLK" },
1815 
1816 	{ "AIF2ADCL", NULL, "AIF2CLK" },
1817 	{ "AIF2ADCL", NULL, "DSP2CLK" },
1818 	{ "AIF2ADCR", NULL, "AIF2CLK" },
1819 	{ "AIF2ADCR", NULL, "DSP2CLK" },
1820 	{ "AIF2ADCR", NULL, "DSPINTCLK" },
1821 
1822 	{ "AIF2DACL", NULL, "AIF2CLK" },
1823 	{ "AIF2DACL", NULL, "DSP2CLK" },
1824 	{ "AIF2DACR", NULL, "AIF2CLK" },
1825 	{ "AIF2DACR", NULL, "DSP2CLK" },
1826 	{ "AIF2DACR", NULL, "DSPINTCLK" },
1827 
1828 	{ "DMIC1L", NULL, "DMIC1DAT" },
1829 	{ "DMIC1L", NULL, "CLK_SYS" },
1830 	{ "DMIC1R", NULL, "DMIC1DAT" },
1831 	{ "DMIC1R", NULL, "CLK_SYS" },
1832 	{ "DMIC2L", NULL, "DMIC2DAT" },
1833 	{ "DMIC2L", NULL, "CLK_SYS" },
1834 	{ "DMIC2R", NULL, "DMIC2DAT" },
1835 	{ "DMIC2R", NULL, "CLK_SYS" },
1836 
1837 	{ "ADCL", NULL, "AIF1CLK" },
1838 	{ "ADCL", NULL, "DSP1CLK" },
1839 	{ "ADCL", NULL, "DSPINTCLK" },
1840 
1841 	{ "ADCR", NULL, "AIF1CLK" },
1842 	{ "ADCR", NULL, "DSP1CLK" },
1843 	{ "ADCR", NULL, "DSPINTCLK" },
1844 
1845 	{ "ADCL Mux", "ADC", "ADCL" },
1846 	{ "ADCL Mux", "DMIC", "DMIC1L" },
1847 	{ "ADCR Mux", "ADC", "ADCR" },
1848 	{ "ADCR Mux", "DMIC", "DMIC1R" },
1849 
1850 	{ "DAC1L", NULL, "AIF1CLK" },
1851 	{ "DAC1L", NULL, "DSP1CLK" },
1852 	{ "DAC1L", NULL, "DSPINTCLK" },
1853 
1854 	{ "DAC1R", NULL, "AIF1CLK" },
1855 	{ "DAC1R", NULL, "DSP1CLK" },
1856 	{ "DAC1R", NULL, "DSPINTCLK" },
1857 
1858 	{ "DAC2L", NULL, "AIF2CLK" },
1859 	{ "DAC2L", NULL, "DSP2CLK" },
1860 	{ "DAC2L", NULL, "DSPINTCLK" },
1861 
1862 	{ "DAC2R", NULL, "AIF2DACR" },
1863 	{ "DAC2R", NULL, "AIF2CLK" },
1864 	{ "DAC2R", NULL, "DSP2CLK" },
1865 	{ "DAC2R", NULL, "DSPINTCLK" },
1866 
1867 	{ "TOCLK", NULL, "CLK_SYS" },
1868 
1869 	{ "AIF1DACDAT", NULL, "AIF1 Playback" },
1870 	{ "AIF2DACDAT", NULL, "AIF2 Playback" },
1871 	{ "AIF3DACDAT", NULL, "AIF3 Playback" },
1872 
1873 	{ "AIF1 Capture", NULL, "AIF1ADCDAT" },
1874 	{ "AIF2 Capture", NULL, "AIF2ADCDAT" },
1875 	{ "AIF3 Capture", NULL, "AIF3ADCDAT" },
1876 
1877 	/* AIF1 outputs */
1878 	{ "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1879 	{ "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1880 	{ "AIF1ADC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1881 
1882 	{ "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1883 	{ "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1884 	{ "AIF1ADC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1885 
1886 	{ "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1887 	{ "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1888 	{ "AIF1ADC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1889 
1890 	{ "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1891 	{ "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1892 	{ "AIF1ADC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1893 
1894 	/* Pin level routing for AIF3 */
1895 	{ "AIF1DAC1L", NULL, "AIF1DAC Mux" },
1896 	{ "AIF1DAC1R", NULL, "AIF1DAC Mux" },
1897 	{ "AIF1DAC2L", NULL, "AIF1DAC Mux" },
1898 	{ "AIF1DAC2R", NULL, "AIF1DAC Mux" },
1899 
1900 	{ "AIF1DAC Mux", "AIF1DACDAT", "AIF1 Loopback" },
1901 	{ "AIF1DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1902 	{ "AIF2DAC Mux", "AIF2DACDAT", "AIF2 Loopback" },
1903 	{ "AIF2DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1904 	{ "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1905 	{ "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1906 	{ "AIF2ADC Mux", "AIF3DACDAT", "AIF3ADCDAT" },
1907 
1908 	/* DAC1 inputs */
1909 	{ "DAC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1910 	{ "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1911 	{ "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1912 	{ "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1913 	{ "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1914 
1915 	{ "DAC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1916 	{ "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1917 	{ "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1918 	{ "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1919 	{ "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1920 
1921 	/* DAC2/AIF2 outputs  */
1922 	{ "AIF2ADCL", NULL, "AIF2DAC2L Mixer" },
1923 	{ "AIF2DAC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1924 	{ "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1925 	{ "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1926 	{ "AIF2DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1927 	{ "AIF2DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1928 
1929 	{ "AIF2ADCR", NULL, "AIF2DAC2R Mixer" },
1930 	{ "AIF2DAC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1931 	{ "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1932 	{ "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1933 	{ "AIF2DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1934 	{ "AIF2DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1935 
1936 	{ "AIF1ADCDAT", NULL, "AIF1ADC1L" },
1937 	{ "AIF1ADCDAT", NULL, "AIF1ADC1R" },
1938 	{ "AIF1ADCDAT", NULL, "AIF1ADC2L" },
1939 	{ "AIF1ADCDAT", NULL, "AIF1ADC2R" },
1940 
1941 	{ "AIF2ADCDAT", NULL, "AIF2ADC Mux" },
1942 
1943 	/* AIF3 output */
1944 	{ "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC1L" },
1945 	{ "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC1R" },
1946 	{ "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC2L" },
1947 	{ "AIF3ADCDAT", "AIF1ADCDAT", "AIF1ADC2R" },
1948 	{ "AIF3ADCDAT", "AIF2ADCDAT", "AIF2ADCL" },
1949 	{ "AIF3ADCDAT", "AIF2ADCDAT", "AIF2ADCR" },
1950 	{ "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACL" },
1951 	{ "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACR" },
1952 
1953 	/* Loopback */
1954 	{ "AIF1 Loopback", "ADCDAT", "AIF1ADCDAT" },
1955 	{ "AIF1 Loopback", "None", "AIF1DACDAT" },
1956 	{ "AIF2 Loopback", "ADCDAT", "AIF2ADCDAT" },
1957 	{ "AIF2 Loopback", "None", "AIF2DACDAT" },
1958 
1959 	/* Sidetone */
1960 	{ "Left Sidetone", "ADC/DMIC1", "ADCL Mux" },
1961 	{ "Left Sidetone", "DMIC2", "DMIC2L" },
1962 	{ "Right Sidetone", "ADC/DMIC1", "ADCR Mux" },
1963 	{ "Right Sidetone", "DMIC2", "DMIC2R" },
1964 
1965 	/* Output stages */
1966 	{ "Left Output Mixer", "DAC Switch", "DAC1L" },
1967 	{ "Right Output Mixer", "DAC Switch", "DAC1R" },
1968 
1969 	{ "SPKL", "DAC1 Switch", "DAC1L" },
1970 	{ "SPKL", "DAC2 Switch", "DAC2L" },
1971 
1972 	{ "SPKR", "DAC1 Switch", "DAC1R" },
1973 	{ "SPKR", "DAC2 Switch", "DAC2R" },
1974 
1975 	{ "Left Headphone Mux", "DAC", "DAC1L" },
1976 	{ "Right Headphone Mux", "DAC", "DAC1R" },
1977 };
1978 
1979 static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = {
1980 	{ "DAC1L", NULL, "Late DAC1L Enable PGA" },
1981 	{ "Late DAC1L Enable PGA", NULL, "DAC1L Mixer" },
1982 	{ "DAC1R", NULL, "Late DAC1R Enable PGA" },
1983 	{ "Late DAC1R Enable PGA", NULL, "DAC1R Mixer" },
1984 	{ "DAC2L", NULL, "Late DAC2L Enable PGA" },
1985 	{ "Late DAC2L Enable PGA", NULL, "AIF2DAC2L Mixer" },
1986 	{ "DAC2R", NULL, "Late DAC2R Enable PGA" },
1987 	{ "Late DAC2R Enable PGA", NULL, "AIF2DAC2R Mixer" }
1988 };
1989 
1990 static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = {
1991 	{ "DAC1L", NULL, "DAC1L Mixer" },
1992 	{ "DAC1R", NULL, "DAC1R Mixer" },
1993 	{ "DAC2L", NULL, "AIF2DAC2L Mixer" },
1994 	{ "DAC2R", NULL, "AIF2DAC2R Mixer" },
1995 };
1996 
1997 static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
1998 	{ "AIF1DACDAT", NULL, "AIF2DACDAT" },
1999 	{ "AIF2DACDAT", NULL, "AIF1DACDAT" },
2000 	{ "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
2001 	{ "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
2002 	{ "MICBIAS1", NULL, "CLK_SYS" },
2003 	{ "MICBIAS1", NULL, "MICBIAS Supply" },
2004 	{ "MICBIAS2", NULL, "CLK_SYS" },
2005 	{ "MICBIAS2", NULL, "MICBIAS Supply" },
2006 };
2007 
2008 static const struct snd_soc_dapm_route wm8994_intercon[] = {
2009 	{ "AIF2DACL", NULL, "AIF2DAC Mux" },
2010 	{ "AIF2DACR", NULL, "AIF2DAC Mux" },
2011 	{ "MICBIAS1", NULL, "VMID" },
2012 	{ "MICBIAS2", NULL, "VMID" },
2013 };
2014 
2015 static const struct snd_soc_dapm_route wm8958_intercon[] = {
2016 	{ "AIF2DACL", NULL, "AIF2DACL Mux" },
2017 	{ "AIF2DACR", NULL, "AIF2DACR Mux" },
2018 
2019 	{ "AIF2DACL Mux", "AIF2", "AIF2DAC Mux" },
2020 	{ "AIF2DACL Mux", "AIF3", "AIF3DACDAT" },
2021 	{ "AIF2DACR Mux", "AIF2", "AIF2DAC Mux" },
2022 	{ "AIF2DACR Mux", "AIF3", "AIF3DACDAT" },
2023 
2024 	{ "AIF3DACDAT", NULL, "AIF3" },
2025 	{ "AIF3ADCDAT", NULL, "AIF3" },
2026 
2027 	{ "Mono PCM Out Mux", "AIF2ADCL", "AIF2ADCL" },
2028 	{ "Mono PCM Out Mux", "AIF2ADCR", "AIF2ADCR" },
2029 
2030 	{ "AIF3ADC Mux", "Mono PCM", "Mono PCM Out Mux" },
2031 };
2032 
2033 /* The size in bits of the FLL divide multiplied by 10
2034  * to allow rounding later */
2035 #define FIXED_FLL_SIZE ((1 << 16) * 10)
2036 
2037 struct fll_div {
2038 	u16 outdiv;
2039 	u16 n;
2040 	u16 k;
2041 	u16 lambda;
2042 	u16 clk_ref_div;
2043 	u16 fll_fratio;
2044 };
2045 
2046 static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll,
2047 				 int freq_in, int freq_out)
2048 {
2049 	u64 Kpart;
2050 	unsigned int K, Ndiv, Nmod, gcd_fll;
2051 
2052 	pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
2053 
2054 	/* Scale the input frequency down to <= 13.5MHz */
2055 	fll->clk_ref_div = 0;
2056 	while (freq_in > 13500000) {
2057 		fll->clk_ref_div++;
2058 		freq_in /= 2;
2059 
2060 		if (fll->clk_ref_div > 3)
2061 			return -EINVAL;
2062 	}
2063 	pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
2064 
2065 	/* Scale the output to give 90MHz<=Fvco<=100MHz */
2066 	fll->outdiv = 3;
2067 	while (freq_out * (fll->outdiv + 1) < 90000000) {
2068 		fll->outdiv++;
2069 		if (fll->outdiv > 63)
2070 			return -EINVAL;
2071 	}
2072 	freq_out *= fll->outdiv + 1;
2073 	pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
2074 
2075 	if (freq_in > 1000000) {
2076 		fll->fll_fratio = 0;
2077 	} else if (freq_in > 256000) {
2078 		fll->fll_fratio = 1;
2079 		freq_in *= 2;
2080 	} else if (freq_in > 128000) {
2081 		fll->fll_fratio = 2;
2082 		freq_in *= 4;
2083 	} else if (freq_in > 64000) {
2084 		fll->fll_fratio = 3;
2085 		freq_in *= 8;
2086 	} else {
2087 		fll->fll_fratio = 4;
2088 		freq_in *= 16;
2089 	}
2090 	pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
2091 
2092 	/* Now, calculate N.K */
2093 	Ndiv = freq_out / freq_in;
2094 
2095 	fll->n = Ndiv;
2096 	Nmod = freq_out % freq_in;
2097 	pr_debug("Nmod=%d\n", Nmod);
2098 
2099 	switch (control->type) {
2100 	case WM8994:
2101 		/* Calculate fractional part - scale up so we can round. */
2102 		Kpart = FIXED_FLL_SIZE * (long long)Nmod;
2103 
2104 		do_div(Kpart, freq_in);
2105 
2106 		K = Kpart & 0xFFFFFFFF;
2107 
2108 		if ((K % 10) >= 5)
2109 			K += 5;
2110 
2111 		/* Move down to proper range now rounding is done */
2112 		fll->k = K / 10;
2113 		fll->lambda = 0;
2114 
2115 		pr_debug("N=%x K=%x\n", fll->n, fll->k);
2116 		break;
2117 
2118 	default:
2119 		gcd_fll = gcd(freq_out, freq_in);
2120 
2121 		fll->k = (freq_out - (freq_in * fll->n)) / gcd_fll;
2122 		fll->lambda = freq_in / gcd_fll;
2123 
2124 	}
2125 
2126 	return 0;
2127 }
2128 
2129 static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
2130 			  unsigned int freq_in, unsigned int freq_out)
2131 {
2132 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2133 	struct wm8994 *control = wm8994->wm8994;
2134 	int reg_offset, ret;
2135 	struct fll_div fll;
2136 	u16 reg, clk1, aif_reg, aif_src;
2137 	unsigned long timeout;
2138 	bool was_enabled;
2139 
2140 	switch (id) {
2141 	case WM8994_FLL1:
2142 		reg_offset = 0;
2143 		id = 0;
2144 		aif_src = 0x10;
2145 		break;
2146 	case WM8994_FLL2:
2147 		reg_offset = 0x20;
2148 		id = 1;
2149 		aif_src = 0x18;
2150 		break;
2151 	default:
2152 		return -EINVAL;
2153 	}
2154 
2155 	reg = snd_soc_read(codec, WM8994_FLL1_CONTROL_1 + reg_offset);
2156 	was_enabled = reg & WM8994_FLL1_ENA;
2157 
2158 	switch (src) {
2159 	case 0:
2160 		/* Allow no source specification when stopping */
2161 		if (freq_out)
2162 			return -EINVAL;
2163 		src = wm8994->fll[id].src;
2164 		break;
2165 	case WM8994_FLL_SRC_MCLK1:
2166 	case WM8994_FLL_SRC_MCLK2:
2167 	case WM8994_FLL_SRC_LRCLK:
2168 	case WM8994_FLL_SRC_BCLK:
2169 		break;
2170 	case WM8994_FLL_SRC_INTERNAL:
2171 		freq_in = 12000000;
2172 		freq_out = 12000000;
2173 		break;
2174 	default:
2175 		return -EINVAL;
2176 	}
2177 
2178 	/* Are we changing anything? */
2179 	if (wm8994->fll[id].src == src &&
2180 	    wm8994->fll[id].in == freq_in && wm8994->fll[id].out == freq_out)
2181 		return 0;
2182 
2183 	/* If we're stopping the FLL redo the old config - no
2184 	 * registers will actually be written but we avoid GCC flow
2185 	 * analysis bugs spewing warnings.
2186 	 */
2187 	if (freq_out)
2188 		ret = wm8994_get_fll_config(control, &fll, freq_in, freq_out);
2189 	else
2190 		ret = wm8994_get_fll_config(control, &fll, wm8994->fll[id].in,
2191 					    wm8994->fll[id].out);
2192 	if (ret < 0)
2193 		return ret;
2194 
2195 	/* Make sure that we're not providing SYSCLK right now */
2196 	clk1 = snd_soc_read(codec, WM8994_CLOCKING_1);
2197 	if (clk1 & WM8994_SYSCLK_SRC)
2198 		aif_reg = WM8994_AIF2_CLOCKING_1;
2199 	else
2200 		aif_reg = WM8994_AIF1_CLOCKING_1;
2201 	reg = snd_soc_read(codec, aif_reg);
2202 
2203 	if ((reg & WM8994_AIF1CLK_ENA) &&
2204 	    (reg & WM8994_AIF1CLK_SRC_MASK) == aif_src) {
2205 		dev_err(codec->dev, "FLL%d is currently providing SYSCLK\n",
2206 			id + 1);
2207 		return -EBUSY;
2208 	}
2209 
2210 	/* We always need to disable the FLL while reconfiguring */
2211 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2212 			    WM8994_FLL1_ENA, 0);
2213 
2214 	if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
2215 	    freq_in == freq_out && freq_out) {
2216 		dev_dbg(codec->dev, "Bypassing FLL%d\n", id + 1);
2217 		snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2218 				    WM8958_FLL1_BYP, WM8958_FLL1_BYP);
2219 		goto out;
2220 	}
2221 
2222 	reg = (fll.outdiv << WM8994_FLL1_OUTDIV_SHIFT) |
2223 		(fll.fll_fratio << WM8994_FLL1_FRATIO_SHIFT);
2224 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_2 + reg_offset,
2225 			    WM8994_FLL1_OUTDIV_MASK |
2226 			    WM8994_FLL1_FRATIO_MASK, reg);
2227 
2228 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_3 + reg_offset,
2229 			    WM8994_FLL1_K_MASK, fll.k);
2230 
2231 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_4 + reg_offset,
2232 			    WM8994_FLL1_N_MASK,
2233 			    fll.n << WM8994_FLL1_N_SHIFT);
2234 
2235 	if (fll.lambda) {
2236 		snd_soc_update_bits(codec, WM8958_FLL1_EFS_1 + reg_offset,
2237 				    WM8958_FLL1_LAMBDA_MASK,
2238 				    fll.lambda);
2239 		snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2240 				    WM8958_FLL1_EFS_ENA, WM8958_FLL1_EFS_ENA);
2241 	} else {
2242 		snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2243 				    WM8958_FLL1_EFS_ENA, 0);
2244 	}
2245 
2246 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2247 			    WM8994_FLL1_FRC_NCO | WM8958_FLL1_BYP |
2248 			    WM8994_FLL1_REFCLK_DIV_MASK |
2249 			    WM8994_FLL1_REFCLK_SRC_MASK,
2250 			    ((src == WM8994_FLL_SRC_INTERNAL)
2251 			     << WM8994_FLL1_FRC_NCO_SHIFT) |
2252 			    (fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
2253 			    (src - 1));
2254 
2255 	/* Clear any pending completion from a previous failure */
2256 	try_wait_for_completion(&wm8994->fll_locked[id]);
2257 
2258 	/* Enable (with fractional mode if required) */
2259 	if (freq_out) {
2260 		/* Enable VMID if we need it */
2261 		if (!was_enabled) {
2262 			active_reference(codec);
2263 
2264 			switch (control->type) {
2265 			case WM8994:
2266 				vmid_reference(codec);
2267 				break;
2268 			case WM8958:
2269 				if (control->revision < 1)
2270 					vmid_reference(codec);
2271 				break;
2272 			default:
2273 				break;
2274 			}
2275 		}
2276 
2277 		reg = WM8994_FLL1_ENA;
2278 
2279 		if (fll.k)
2280 			reg |= WM8994_FLL1_FRAC;
2281 		if (src == WM8994_FLL_SRC_INTERNAL)
2282 			reg |= WM8994_FLL1_OSC_ENA;
2283 
2284 		snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2285 				    WM8994_FLL1_ENA | WM8994_FLL1_OSC_ENA |
2286 				    WM8994_FLL1_FRAC, reg);
2287 
2288 		if (wm8994->fll_locked_irq) {
2289 			timeout = wait_for_completion_timeout(&wm8994->fll_locked[id],
2290 							      msecs_to_jiffies(10));
2291 			if (timeout == 0)
2292 				dev_warn(codec->dev,
2293 					 "Timed out waiting for FLL lock\n");
2294 		} else {
2295 			msleep(5);
2296 		}
2297 	} else {
2298 		if (was_enabled) {
2299 			switch (control->type) {
2300 			case WM8994:
2301 				vmid_dereference(codec);
2302 				break;
2303 			case WM8958:
2304 				if (control->revision < 1)
2305 					vmid_dereference(codec);
2306 				break;
2307 			default:
2308 				break;
2309 			}
2310 
2311 			active_dereference(codec);
2312 		}
2313 	}
2314 
2315 out:
2316 	wm8994->fll[id].in = freq_in;
2317 	wm8994->fll[id].out = freq_out;
2318 	wm8994->fll[id].src = src;
2319 
2320 	configure_clock(codec);
2321 
2322 	/*
2323 	 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2324 	 * for detection.
2325 	 */
2326 	if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2327 		dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2328 
2329 		wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2330 			& WM8994_AIF1CLK_RATE_MASK;
2331 		wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2332 			& WM8994_AIF1CLK_RATE_MASK;
2333 
2334 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2335 				    WM8994_AIF1CLK_RATE_MASK, 0x1);
2336 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2337 				    WM8994_AIF2CLK_RATE_MASK, 0x1);
2338 	} else if (wm8994->aifdiv[0]) {
2339 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2340 				    WM8994_AIF1CLK_RATE_MASK,
2341 				    wm8994->aifdiv[0]);
2342 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2343 				    WM8994_AIF2CLK_RATE_MASK,
2344 				    wm8994->aifdiv[1]);
2345 
2346 		wm8994->aifdiv[0] = 0;
2347 		wm8994->aifdiv[1] = 0;
2348 	}
2349 
2350 	return 0;
2351 }
2352 
2353 static irqreturn_t wm8994_fll_locked_irq(int irq, void *data)
2354 {
2355 	struct completion *completion = data;
2356 
2357 	complete(completion);
2358 
2359 	return IRQ_HANDLED;
2360 }
2361 
2362 static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
2363 
2364 static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
2365 			  unsigned int freq_in, unsigned int freq_out)
2366 {
2367 	return _wm8994_set_fll(dai->codec, id, src, freq_in, freq_out);
2368 }
2369 
2370 static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
2371 		int clk_id, unsigned int freq, int dir)
2372 {
2373 	struct snd_soc_codec *codec = dai->codec;
2374 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2375 	int i;
2376 
2377 	switch (dai->id) {
2378 	case 1:
2379 	case 2:
2380 		break;
2381 
2382 	default:
2383 		/* AIF3 shares clocking with AIF1/2 */
2384 		return -EINVAL;
2385 	}
2386 
2387 	switch (clk_id) {
2388 	case WM8994_SYSCLK_MCLK1:
2389 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK1;
2390 		wm8994->mclk[0] = freq;
2391 		dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
2392 			dai->id, freq);
2393 		break;
2394 
2395 	case WM8994_SYSCLK_MCLK2:
2396 		/* TODO: Set GPIO AF */
2397 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK2;
2398 		wm8994->mclk[1] = freq;
2399 		dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
2400 			dai->id, freq);
2401 		break;
2402 
2403 	case WM8994_SYSCLK_FLL1:
2404 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL1;
2405 		dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id);
2406 		break;
2407 
2408 	case WM8994_SYSCLK_FLL2:
2409 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL2;
2410 		dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id);
2411 		break;
2412 
2413 	case WM8994_SYSCLK_OPCLK:
2414 		/* Special case - a division (times 10) is given and
2415 		 * no effect on main clocking.
2416 		 */
2417 		if (freq) {
2418 			for (i = 0; i < ARRAY_SIZE(opclk_divs); i++)
2419 				if (opclk_divs[i] == freq)
2420 					break;
2421 			if (i == ARRAY_SIZE(opclk_divs))
2422 				return -EINVAL;
2423 			snd_soc_update_bits(codec, WM8994_CLOCKING_2,
2424 					    WM8994_OPCLK_DIV_MASK, i);
2425 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2426 					    WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
2427 		} else {
2428 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2429 					    WM8994_OPCLK_ENA, 0);
2430 		}
2431 
2432 	default:
2433 		return -EINVAL;
2434 	}
2435 
2436 	configure_clock(codec);
2437 
2438 	/*
2439 	 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2440 	 * for detection.
2441 	 */
2442 	if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2443 		dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2444 
2445 		wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2446 			& WM8994_AIF1CLK_RATE_MASK;
2447 		wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2448 			& WM8994_AIF1CLK_RATE_MASK;
2449 
2450 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2451 				    WM8994_AIF1CLK_RATE_MASK, 0x1);
2452 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2453 				    WM8994_AIF2CLK_RATE_MASK, 0x1);
2454 	} else if (wm8994->aifdiv[0]) {
2455 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2456 				    WM8994_AIF1CLK_RATE_MASK,
2457 				    wm8994->aifdiv[0]);
2458 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2459 				    WM8994_AIF2CLK_RATE_MASK,
2460 				    wm8994->aifdiv[1]);
2461 
2462 		wm8994->aifdiv[0] = 0;
2463 		wm8994->aifdiv[1] = 0;
2464 	}
2465 
2466 	return 0;
2467 }
2468 
2469 static int wm8994_set_bias_level(struct snd_soc_codec *codec,
2470 				 enum snd_soc_bias_level level)
2471 {
2472 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2473 	struct wm8994 *control = wm8994->wm8994;
2474 
2475 	wm_hubs_set_bias_level(codec, level);
2476 
2477 	switch (level) {
2478 	case SND_SOC_BIAS_ON:
2479 		break;
2480 
2481 	case SND_SOC_BIAS_PREPARE:
2482 		/* MICBIAS into regulating mode */
2483 		switch (control->type) {
2484 		case WM8958:
2485 		case WM1811:
2486 			snd_soc_update_bits(codec, WM8958_MICBIAS1,
2487 					    WM8958_MICB1_MODE, 0);
2488 			snd_soc_update_bits(codec, WM8958_MICBIAS2,
2489 					    WM8958_MICB2_MODE, 0);
2490 			break;
2491 		default:
2492 			break;
2493 		}
2494 
2495 		if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
2496 			active_reference(codec);
2497 		break;
2498 
2499 	case SND_SOC_BIAS_STANDBY:
2500 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
2501 			switch (control->type) {
2502 			case WM8958:
2503 				if (control->revision == 0) {
2504 					/* Optimise performance for rev A */
2505 					snd_soc_update_bits(codec,
2506 							    WM8958_CHARGE_PUMP_2,
2507 							    WM8958_CP_DISCH,
2508 							    WM8958_CP_DISCH);
2509 				}
2510 				break;
2511 
2512 			default:
2513 				break;
2514 			}
2515 
2516 			/* Discharge LINEOUT1 & 2 */
2517 			snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
2518 					    WM8994_LINEOUT1_DISCH |
2519 					    WM8994_LINEOUT2_DISCH,
2520 					    WM8994_LINEOUT1_DISCH |
2521 					    WM8994_LINEOUT2_DISCH);
2522 		}
2523 
2524 		if (codec->dapm.bias_level == SND_SOC_BIAS_PREPARE)
2525 			active_dereference(codec);
2526 
2527 		/* MICBIAS into bypass mode on newer devices */
2528 		switch (control->type) {
2529 		case WM8958:
2530 		case WM1811:
2531 			snd_soc_update_bits(codec, WM8958_MICBIAS1,
2532 					    WM8958_MICB1_MODE,
2533 					    WM8958_MICB1_MODE);
2534 			snd_soc_update_bits(codec, WM8958_MICBIAS2,
2535 					    WM8958_MICB2_MODE,
2536 					    WM8958_MICB2_MODE);
2537 			break;
2538 		default:
2539 			break;
2540 		}
2541 		break;
2542 
2543 	case SND_SOC_BIAS_OFF:
2544 		if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
2545 			wm8994->cur_fw = NULL;
2546 		break;
2547 	}
2548 
2549 	codec->dapm.bias_level = level;
2550 
2551 	return 0;
2552 }
2553 
2554 int wm8994_vmid_mode(struct snd_soc_codec *codec, enum wm8994_vmid_mode mode)
2555 {
2556 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2557 	struct snd_soc_dapm_context *dapm = &codec->dapm;
2558 
2559 	switch (mode) {
2560 	case WM8994_VMID_NORMAL:
2561 		snd_soc_dapm_mutex_lock(dapm);
2562 
2563 		if (wm8994->hubs.lineout1_se) {
2564 			snd_soc_dapm_disable_pin_unlocked(dapm,
2565 							  "LINEOUT1N Driver");
2566 			snd_soc_dapm_disable_pin_unlocked(dapm,
2567 							  "LINEOUT1P Driver");
2568 		}
2569 		if (wm8994->hubs.lineout2_se) {
2570 			snd_soc_dapm_disable_pin_unlocked(dapm,
2571 							  "LINEOUT2N Driver");
2572 			snd_soc_dapm_disable_pin_unlocked(dapm,
2573 							  "LINEOUT2P Driver");
2574 		}
2575 
2576 		/* Do the sync with the old mode to allow it to clean up */
2577 		snd_soc_dapm_sync_unlocked(dapm);
2578 		wm8994->vmid_mode = mode;
2579 
2580 		snd_soc_dapm_mutex_unlock(dapm);
2581 		break;
2582 
2583 	case WM8994_VMID_FORCE:
2584 		snd_soc_dapm_mutex_lock(dapm);
2585 
2586 		if (wm8994->hubs.lineout1_se) {
2587 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2588 							       "LINEOUT1N Driver");
2589 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2590 							       "LINEOUT1P Driver");
2591 		}
2592 		if (wm8994->hubs.lineout2_se) {
2593 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2594 							       "LINEOUT2N Driver");
2595 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2596 							       "LINEOUT2P Driver");
2597 		}
2598 
2599 		wm8994->vmid_mode = mode;
2600 		snd_soc_dapm_sync_unlocked(dapm);
2601 
2602 		snd_soc_dapm_mutex_unlock(dapm);
2603 		break;
2604 
2605 	default:
2606 		return -EINVAL;
2607 	}
2608 
2609 	return 0;
2610 }
2611 
2612 static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
2613 {
2614 	struct snd_soc_codec *codec = dai->codec;
2615 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2616 	struct wm8994 *control = wm8994->wm8994;
2617 	int ms_reg;
2618 	int aif1_reg;
2619 	int dac_reg;
2620 	int adc_reg;
2621 	int ms = 0;
2622 	int aif1 = 0;
2623 	int lrclk = 0;
2624 
2625 	switch (dai->id) {
2626 	case 1:
2627 		ms_reg = WM8994_AIF1_MASTER_SLAVE;
2628 		aif1_reg = WM8994_AIF1_CONTROL_1;
2629 		dac_reg = WM8994_AIF1DAC_LRCLK;
2630 		adc_reg = WM8994_AIF1ADC_LRCLK;
2631 		break;
2632 	case 2:
2633 		ms_reg = WM8994_AIF2_MASTER_SLAVE;
2634 		aif1_reg = WM8994_AIF2_CONTROL_1;
2635 		dac_reg = WM8994_AIF1DAC_LRCLK;
2636 		adc_reg = WM8994_AIF1ADC_LRCLK;
2637 		break;
2638 	default:
2639 		return -EINVAL;
2640 	}
2641 
2642 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2643 	case SND_SOC_DAIFMT_CBS_CFS:
2644 		break;
2645 	case SND_SOC_DAIFMT_CBM_CFM:
2646 		ms = WM8994_AIF1_MSTR;
2647 		break;
2648 	default:
2649 		return -EINVAL;
2650 	}
2651 
2652 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2653 	case SND_SOC_DAIFMT_DSP_B:
2654 		aif1 |= WM8994_AIF1_LRCLK_INV;
2655 		lrclk |= WM8958_AIF1_LRCLK_INV;
2656 	case SND_SOC_DAIFMT_DSP_A:
2657 		aif1 |= 0x18;
2658 		break;
2659 	case SND_SOC_DAIFMT_I2S:
2660 		aif1 |= 0x10;
2661 		break;
2662 	case SND_SOC_DAIFMT_RIGHT_J:
2663 		break;
2664 	case SND_SOC_DAIFMT_LEFT_J:
2665 		aif1 |= 0x8;
2666 		break;
2667 	default:
2668 		return -EINVAL;
2669 	}
2670 
2671 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2672 	case SND_SOC_DAIFMT_DSP_A:
2673 	case SND_SOC_DAIFMT_DSP_B:
2674 		/* frame inversion not valid for DSP modes */
2675 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2676 		case SND_SOC_DAIFMT_NB_NF:
2677 			break;
2678 		case SND_SOC_DAIFMT_IB_NF:
2679 			aif1 |= WM8994_AIF1_BCLK_INV;
2680 			break;
2681 		default:
2682 			return -EINVAL;
2683 		}
2684 		break;
2685 
2686 	case SND_SOC_DAIFMT_I2S:
2687 	case SND_SOC_DAIFMT_RIGHT_J:
2688 	case SND_SOC_DAIFMT_LEFT_J:
2689 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2690 		case SND_SOC_DAIFMT_NB_NF:
2691 			break;
2692 		case SND_SOC_DAIFMT_IB_IF:
2693 			aif1 |= WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV;
2694 			lrclk |= WM8958_AIF1_LRCLK_INV;
2695 			break;
2696 		case SND_SOC_DAIFMT_IB_NF:
2697 			aif1 |= WM8994_AIF1_BCLK_INV;
2698 			break;
2699 		case SND_SOC_DAIFMT_NB_IF:
2700 			aif1 |= WM8994_AIF1_LRCLK_INV;
2701 			lrclk |= WM8958_AIF1_LRCLK_INV;
2702 			break;
2703 		default:
2704 			return -EINVAL;
2705 		}
2706 		break;
2707 	default:
2708 		return -EINVAL;
2709 	}
2710 
2711 	/* The AIF2 format configuration needs to be mirrored to AIF3
2712 	 * on WM8958 if it's in use so just do it all the time. */
2713 	switch (control->type) {
2714 	case WM1811:
2715 	case WM8958:
2716 		if (dai->id == 2)
2717 			snd_soc_update_bits(codec, WM8958_AIF3_CONTROL_1,
2718 					    WM8994_AIF1_LRCLK_INV |
2719 					    WM8958_AIF3_FMT_MASK, aif1);
2720 		break;
2721 
2722 	default:
2723 		break;
2724 	}
2725 
2726 	snd_soc_update_bits(codec, aif1_reg,
2727 			    WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV |
2728 			    WM8994_AIF1_FMT_MASK,
2729 			    aif1);
2730 	snd_soc_update_bits(codec, ms_reg, WM8994_AIF1_MSTR,
2731 			    ms);
2732 	snd_soc_update_bits(codec, dac_reg,
2733 			    WM8958_AIF1_LRCLK_INV, lrclk);
2734 	snd_soc_update_bits(codec, adc_reg,
2735 			    WM8958_AIF1_LRCLK_INV, lrclk);
2736 
2737 	return 0;
2738 }
2739 
2740 static struct {
2741 	int val, rate;
2742 } srs[] = {
2743 	{ 0,   8000 },
2744 	{ 1,  11025 },
2745 	{ 2,  12000 },
2746 	{ 3,  16000 },
2747 	{ 4,  22050 },
2748 	{ 5,  24000 },
2749 	{ 6,  32000 },
2750 	{ 7,  44100 },
2751 	{ 8,  48000 },
2752 	{ 9,  88200 },
2753 	{ 10, 96000 },
2754 };
2755 
2756 static int fs_ratios[] = {
2757 	64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
2758 };
2759 
2760 static int bclk_divs[] = {
2761 	10, 15, 20, 30, 40, 50, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480,
2762 	640, 880, 960, 1280, 1760, 1920
2763 };
2764 
2765 static int wm8994_hw_params(struct snd_pcm_substream *substream,
2766 			    struct snd_pcm_hw_params *params,
2767 			    struct snd_soc_dai *dai)
2768 {
2769 	struct snd_soc_codec *codec = dai->codec;
2770 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2771 	struct wm8994 *control = wm8994->wm8994;
2772 	struct wm8994_pdata *pdata = &control->pdata;
2773 	int aif1_reg;
2774 	int aif2_reg;
2775 	int bclk_reg;
2776 	int lrclk_reg;
2777 	int rate_reg;
2778 	int aif1 = 0;
2779 	int aif2 = 0;
2780 	int bclk = 0;
2781 	int lrclk = 0;
2782 	int rate_val = 0;
2783 	int id = dai->id - 1;
2784 
2785 	int i, cur_val, best_val, bclk_rate, best;
2786 
2787 	switch (dai->id) {
2788 	case 1:
2789 		aif1_reg = WM8994_AIF1_CONTROL_1;
2790 		aif2_reg = WM8994_AIF1_CONTROL_2;
2791 		bclk_reg = WM8994_AIF1_BCLK;
2792 		rate_reg = WM8994_AIF1_RATE;
2793 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2794 		    wm8994->lrclk_shared[0]) {
2795 			lrclk_reg = WM8994_AIF1DAC_LRCLK;
2796 		} else {
2797 			lrclk_reg = WM8994_AIF1ADC_LRCLK;
2798 			dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
2799 		}
2800 		break;
2801 	case 2:
2802 		aif1_reg = WM8994_AIF2_CONTROL_1;
2803 		aif2_reg = WM8994_AIF2_CONTROL_2;
2804 		bclk_reg = WM8994_AIF2_BCLK;
2805 		rate_reg = WM8994_AIF2_RATE;
2806 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2807 		    wm8994->lrclk_shared[1]) {
2808 			lrclk_reg = WM8994_AIF2DAC_LRCLK;
2809 		} else {
2810 			lrclk_reg = WM8994_AIF2ADC_LRCLK;
2811 			dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
2812 		}
2813 		break;
2814 	default:
2815 		return -EINVAL;
2816 	}
2817 
2818 	bclk_rate = params_rate(params);
2819 	switch (params_width(params)) {
2820 	case 16:
2821 		bclk_rate *= 16;
2822 		break;
2823 	case 20:
2824 		bclk_rate *= 20;
2825 		aif1 |= 0x20;
2826 		break;
2827 	case 24:
2828 		bclk_rate *= 24;
2829 		aif1 |= 0x40;
2830 		break;
2831 	case 32:
2832 		bclk_rate *= 32;
2833 		aif1 |= 0x60;
2834 		break;
2835 	default:
2836 		return -EINVAL;
2837 	}
2838 
2839 	wm8994->channels[id] = params_channels(params);
2840 	if (pdata->max_channels_clocked[id] &&
2841 	    wm8994->channels[id] > pdata->max_channels_clocked[id]) {
2842 		dev_dbg(dai->dev, "Constraining channels to %d from %d\n",
2843 			pdata->max_channels_clocked[id], wm8994->channels[id]);
2844 		wm8994->channels[id] = pdata->max_channels_clocked[id];
2845 	}
2846 
2847 	switch (wm8994->channels[id]) {
2848 	case 1:
2849 	case 2:
2850 		bclk_rate *= 2;
2851 		break;
2852 	default:
2853 		bclk_rate *= 4;
2854 		break;
2855 	}
2856 
2857 	/* Try to find an appropriate sample rate; look for an exact match. */
2858 	for (i = 0; i < ARRAY_SIZE(srs); i++)
2859 		if (srs[i].rate == params_rate(params))
2860 			break;
2861 	if (i == ARRAY_SIZE(srs))
2862 		return -EINVAL;
2863 	rate_val |= srs[i].val << WM8994_AIF1_SR_SHIFT;
2864 
2865 	dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i].rate);
2866 	dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
2867 		dai->id, wm8994->aifclk[id], bclk_rate);
2868 
2869 	if (wm8994->channels[id] == 1 &&
2870 	    (snd_soc_read(codec, aif1_reg) & 0x18) == 0x18)
2871 		aif2 |= WM8994_AIF1_MONO;
2872 
2873 	if (wm8994->aifclk[id] == 0) {
2874 		dev_err(dai->dev, "AIF%dCLK not configured\n", dai->id);
2875 		return -EINVAL;
2876 	}
2877 
2878 	/* AIFCLK/fs ratio; look for a close match in either direction */
2879 	best = 0;
2880 	best_val = abs((fs_ratios[0] * params_rate(params))
2881 		       - wm8994->aifclk[id]);
2882 	for (i = 1; i < ARRAY_SIZE(fs_ratios); i++) {
2883 		cur_val = abs((fs_ratios[i] * params_rate(params))
2884 			      - wm8994->aifclk[id]);
2885 		if (cur_val >= best_val)
2886 			continue;
2887 		best = i;
2888 		best_val = cur_val;
2889 	}
2890 	dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
2891 		dai->id, fs_ratios[best]);
2892 	rate_val |= best;
2893 
2894 	/* We may not get quite the right frequency if using
2895 	 * approximate clocks so look for the closest match that is
2896 	 * higher than the target (we need to ensure that there enough
2897 	 * BCLKs to clock out the samples).
2898 	 */
2899 	best = 0;
2900 	for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
2901 		cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
2902 		if (cur_val < 0) /* BCLK table is sorted */
2903 			break;
2904 		best = i;
2905 	}
2906 	bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
2907 	dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
2908 		bclk_divs[best], bclk_rate);
2909 	bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
2910 
2911 	lrclk = bclk_rate / params_rate(params);
2912 	if (!lrclk) {
2913 		dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
2914 			bclk_rate);
2915 		return -EINVAL;
2916 	}
2917 	dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
2918 		lrclk, bclk_rate / lrclk);
2919 
2920 	snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2921 	snd_soc_update_bits(codec, aif2_reg, WM8994_AIF1_MONO, aif2);
2922 	snd_soc_update_bits(codec, bclk_reg, WM8994_AIF1_BCLK_DIV_MASK, bclk);
2923 	snd_soc_update_bits(codec, lrclk_reg, WM8994_AIF1DAC_RATE_MASK,
2924 			    lrclk);
2925 	snd_soc_update_bits(codec, rate_reg, WM8994_AIF1_SR_MASK |
2926 			    WM8994_AIF1CLK_RATE_MASK, rate_val);
2927 
2928 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2929 		switch (dai->id) {
2930 		case 1:
2931 			wm8994->dac_rates[0] = params_rate(params);
2932 			wm8994_set_retune_mobile(codec, 0);
2933 			wm8994_set_retune_mobile(codec, 1);
2934 			break;
2935 		case 2:
2936 			wm8994->dac_rates[1] = params_rate(params);
2937 			wm8994_set_retune_mobile(codec, 2);
2938 			break;
2939 		}
2940 	}
2941 
2942 	return 0;
2943 }
2944 
2945 static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
2946 				 struct snd_pcm_hw_params *params,
2947 				 struct snd_soc_dai *dai)
2948 {
2949 	struct snd_soc_codec *codec = dai->codec;
2950 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2951 	struct wm8994 *control = wm8994->wm8994;
2952 	int aif1_reg;
2953 	int aif1 = 0;
2954 
2955 	switch (dai->id) {
2956 	case 3:
2957 		switch (control->type) {
2958 		case WM1811:
2959 		case WM8958:
2960 			aif1_reg = WM8958_AIF3_CONTROL_1;
2961 			break;
2962 		default:
2963 			return 0;
2964 		}
2965 		break;
2966 	default:
2967 		return 0;
2968 	}
2969 
2970 	switch (params_width(params)) {
2971 	case 16:
2972 		break;
2973 	case 20:
2974 		aif1 |= 0x20;
2975 		break;
2976 	case 24:
2977 		aif1 |= 0x40;
2978 		break;
2979 	case 32:
2980 		aif1 |= 0x60;
2981 		break;
2982 	default:
2983 		return -EINVAL;
2984 	}
2985 
2986 	return snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2987 }
2988 
2989 static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute)
2990 {
2991 	struct snd_soc_codec *codec = codec_dai->codec;
2992 	int mute_reg;
2993 	int reg;
2994 
2995 	switch (codec_dai->id) {
2996 	case 1:
2997 		mute_reg = WM8994_AIF1_DAC1_FILTERS_1;
2998 		break;
2999 	case 2:
3000 		mute_reg = WM8994_AIF2_DAC_FILTERS_1;
3001 		break;
3002 	default:
3003 		return -EINVAL;
3004 	}
3005 
3006 	if (mute)
3007 		reg = WM8994_AIF1DAC1_MUTE;
3008 	else
3009 		reg = 0;
3010 
3011 	snd_soc_update_bits(codec, mute_reg, WM8994_AIF1DAC1_MUTE, reg);
3012 
3013 	return 0;
3014 }
3015 
3016 static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
3017 {
3018 	struct snd_soc_codec *codec = codec_dai->codec;
3019 	int reg, val, mask;
3020 
3021 	switch (codec_dai->id) {
3022 	case 1:
3023 		reg = WM8994_AIF1_MASTER_SLAVE;
3024 		mask = WM8994_AIF1_TRI;
3025 		break;
3026 	case 2:
3027 		reg = WM8994_AIF2_MASTER_SLAVE;
3028 		mask = WM8994_AIF2_TRI;
3029 		break;
3030 	default:
3031 		return -EINVAL;
3032 	}
3033 
3034 	if (tristate)
3035 		val = mask;
3036 	else
3037 		val = 0;
3038 
3039 	return snd_soc_update_bits(codec, reg, mask, val);
3040 }
3041 
3042 static int wm8994_aif2_probe(struct snd_soc_dai *dai)
3043 {
3044 	struct snd_soc_codec *codec = dai->codec;
3045 
3046 	/* Disable the pulls on the AIF if we're using it to save power. */
3047 	snd_soc_update_bits(codec, WM8994_GPIO_3,
3048 			    WM8994_GPN_PU | WM8994_GPN_PD, 0);
3049 	snd_soc_update_bits(codec, WM8994_GPIO_4,
3050 			    WM8994_GPN_PU | WM8994_GPN_PD, 0);
3051 	snd_soc_update_bits(codec, WM8994_GPIO_5,
3052 			    WM8994_GPN_PU | WM8994_GPN_PD, 0);
3053 
3054 	return 0;
3055 }
3056 
3057 #define WM8994_RATES SNDRV_PCM_RATE_8000_96000
3058 
3059 #define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
3060 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
3061 
3062 static const struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
3063 	.set_sysclk	= wm8994_set_dai_sysclk,
3064 	.set_fmt	= wm8994_set_dai_fmt,
3065 	.hw_params	= wm8994_hw_params,
3066 	.digital_mute	= wm8994_aif_mute,
3067 	.set_pll	= wm8994_set_fll,
3068 	.set_tristate	= wm8994_set_tristate,
3069 };
3070 
3071 static const struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
3072 	.set_sysclk	= wm8994_set_dai_sysclk,
3073 	.set_fmt	= wm8994_set_dai_fmt,
3074 	.hw_params	= wm8994_hw_params,
3075 	.digital_mute   = wm8994_aif_mute,
3076 	.set_pll	= wm8994_set_fll,
3077 	.set_tristate	= wm8994_set_tristate,
3078 };
3079 
3080 static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
3081 	.hw_params	= wm8994_aif3_hw_params,
3082 };
3083 
3084 static struct snd_soc_dai_driver wm8994_dai[] = {
3085 	{
3086 		.name = "wm8994-aif1",
3087 		.id = 1,
3088 		.playback = {
3089 			.stream_name = "AIF1 Playback",
3090 			.channels_min = 1,
3091 			.channels_max = 2,
3092 			.rates = WM8994_RATES,
3093 			.formats = WM8994_FORMATS,
3094 			.sig_bits = 24,
3095 		},
3096 		.capture = {
3097 			.stream_name = "AIF1 Capture",
3098 			.channels_min = 1,
3099 			.channels_max = 2,
3100 			.rates = WM8994_RATES,
3101 			.formats = WM8994_FORMATS,
3102 			.sig_bits = 24,
3103 		 },
3104 		.ops = &wm8994_aif1_dai_ops,
3105 	},
3106 	{
3107 		.name = "wm8994-aif2",
3108 		.id = 2,
3109 		.playback = {
3110 			.stream_name = "AIF2 Playback",
3111 			.channels_min = 1,
3112 			.channels_max = 2,
3113 			.rates = WM8994_RATES,
3114 			.formats = WM8994_FORMATS,
3115 			.sig_bits = 24,
3116 		},
3117 		.capture = {
3118 			.stream_name = "AIF2 Capture",
3119 			.channels_min = 1,
3120 			.channels_max = 2,
3121 			.rates = WM8994_RATES,
3122 			.formats = WM8994_FORMATS,
3123 			.sig_bits = 24,
3124 		},
3125 		.probe = wm8994_aif2_probe,
3126 		.ops = &wm8994_aif2_dai_ops,
3127 	},
3128 	{
3129 		.name = "wm8994-aif3",
3130 		.id = 3,
3131 		.playback = {
3132 			.stream_name = "AIF3 Playback",
3133 			.channels_min = 1,
3134 			.channels_max = 2,
3135 			.rates = WM8994_RATES,
3136 			.formats = WM8994_FORMATS,
3137 			.sig_bits = 24,
3138 		},
3139 		.capture = {
3140 			.stream_name = "AIF3 Capture",
3141 			.channels_min = 1,
3142 			.channels_max = 2,
3143 			.rates = WM8994_RATES,
3144 			.formats = WM8994_FORMATS,
3145 			.sig_bits = 24,
3146 		 },
3147 		.ops = &wm8994_aif3_dai_ops,
3148 	}
3149 };
3150 
3151 #ifdef CONFIG_PM
3152 static int wm8994_codec_suspend(struct snd_soc_codec *codec)
3153 {
3154 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3155 	int i, ret;
3156 
3157 	for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3158 		memcpy(&wm8994->fll_suspend[i], &wm8994->fll[i],
3159 		       sizeof(struct wm8994_fll_config));
3160 		ret = _wm8994_set_fll(codec, i + 1, 0, 0, 0);
3161 		if (ret < 0)
3162 			dev_warn(codec->dev, "Failed to stop FLL%d: %d\n",
3163 				 i + 1, ret);
3164 	}
3165 
3166 	wm8994_set_bias_level(codec, SND_SOC_BIAS_OFF);
3167 
3168 	return 0;
3169 }
3170 
3171 static int wm8994_codec_resume(struct snd_soc_codec *codec)
3172 {
3173 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3174 	int i, ret;
3175 
3176 	for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3177 		if (!wm8994->fll_suspend[i].out)
3178 			continue;
3179 
3180 		ret = _wm8994_set_fll(codec, i + 1,
3181 				     wm8994->fll_suspend[i].src,
3182 				     wm8994->fll_suspend[i].in,
3183 				     wm8994->fll_suspend[i].out);
3184 		if (ret < 0)
3185 			dev_warn(codec->dev, "Failed to restore FLL%d: %d\n",
3186 				 i + 1, ret);
3187 	}
3188 
3189 	return 0;
3190 }
3191 #else
3192 #define wm8994_codec_suspend NULL
3193 #define wm8994_codec_resume NULL
3194 #endif
3195 
3196 static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
3197 {
3198 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3199 	struct wm8994 *control = wm8994->wm8994;
3200 	struct wm8994_pdata *pdata = &control->pdata;
3201 	struct snd_kcontrol_new controls[] = {
3202 		SOC_ENUM_EXT("AIF1.1 EQ Mode",
3203 			     wm8994->retune_mobile_enum,
3204 			     wm8994_get_retune_mobile_enum,
3205 			     wm8994_put_retune_mobile_enum),
3206 		SOC_ENUM_EXT("AIF1.2 EQ Mode",
3207 			     wm8994->retune_mobile_enum,
3208 			     wm8994_get_retune_mobile_enum,
3209 			     wm8994_put_retune_mobile_enum),
3210 		SOC_ENUM_EXT("AIF2 EQ Mode",
3211 			     wm8994->retune_mobile_enum,
3212 			     wm8994_get_retune_mobile_enum,
3213 			     wm8994_put_retune_mobile_enum),
3214 	};
3215 	int ret, i, j;
3216 	const char **t;
3217 
3218 	/* We need an array of texts for the enum API but the number
3219 	 * of texts is likely to be less than the number of
3220 	 * configurations due to the sample rate dependency of the
3221 	 * configurations. */
3222 	wm8994->num_retune_mobile_texts = 0;
3223 	wm8994->retune_mobile_texts = NULL;
3224 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
3225 		for (j = 0; j < wm8994->num_retune_mobile_texts; j++) {
3226 			if (strcmp(pdata->retune_mobile_cfgs[i].name,
3227 				   wm8994->retune_mobile_texts[j]) == 0)
3228 				break;
3229 		}
3230 
3231 		if (j != wm8994->num_retune_mobile_texts)
3232 			continue;
3233 
3234 		/* Expand the array... */
3235 		t = krealloc(wm8994->retune_mobile_texts,
3236 			     sizeof(char *) *
3237 			     (wm8994->num_retune_mobile_texts + 1),
3238 			     GFP_KERNEL);
3239 		if (t == NULL)
3240 			continue;
3241 
3242 		/* ...store the new entry... */
3243 		t[wm8994->num_retune_mobile_texts] =
3244 			pdata->retune_mobile_cfgs[i].name;
3245 
3246 		/* ...and remember the new version. */
3247 		wm8994->num_retune_mobile_texts++;
3248 		wm8994->retune_mobile_texts = t;
3249 	}
3250 
3251 	dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
3252 		wm8994->num_retune_mobile_texts);
3253 
3254 	wm8994->retune_mobile_enum.items = wm8994->num_retune_mobile_texts;
3255 	wm8994->retune_mobile_enum.texts = wm8994->retune_mobile_texts;
3256 
3257 	ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3258 				   ARRAY_SIZE(controls));
3259 	if (ret != 0)
3260 		dev_err(wm8994->hubs.codec->dev,
3261 			"Failed to add ReTune Mobile controls: %d\n", ret);
3262 }
3263 
3264 static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
3265 {
3266 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3267 	struct wm8994 *control = wm8994->wm8994;
3268 	struct wm8994_pdata *pdata = &control->pdata;
3269 	int ret, i;
3270 
3271 	if (!pdata)
3272 		return;
3273 
3274 	wm_hubs_handle_analogue_pdata(codec, pdata->lineout1_diff,
3275 				      pdata->lineout2_diff,
3276 				      pdata->lineout1fb,
3277 				      pdata->lineout2fb,
3278 				      pdata->jd_scthr,
3279 				      pdata->jd_thr,
3280 				      pdata->micb1_delay,
3281 				      pdata->micb2_delay,
3282 				      pdata->micbias1_lvl,
3283 				      pdata->micbias2_lvl);
3284 
3285 	dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
3286 
3287 	if (pdata->num_drc_cfgs) {
3288 		struct snd_kcontrol_new controls[] = {
3289 			SOC_ENUM_EXT("AIF1DRC1 Mode", wm8994->drc_enum,
3290 				     wm8994_get_drc_enum, wm8994_put_drc_enum),
3291 			SOC_ENUM_EXT("AIF1DRC2 Mode", wm8994->drc_enum,
3292 				     wm8994_get_drc_enum, wm8994_put_drc_enum),
3293 			SOC_ENUM_EXT("AIF2DRC Mode", wm8994->drc_enum,
3294 				     wm8994_get_drc_enum, wm8994_put_drc_enum),
3295 		};
3296 
3297 		/* We need an array of texts for the enum API */
3298 		wm8994->drc_texts = devm_kzalloc(wm8994->hubs.codec->dev,
3299 			    sizeof(char *) * pdata->num_drc_cfgs, GFP_KERNEL);
3300 		if (!wm8994->drc_texts)
3301 			return;
3302 
3303 		for (i = 0; i < pdata->num_drc_cfgs; i++)
3304 			wm8994->drc_texts[i] = pdata->drc_cfgs[i].name;
3305 
3306 		wm8994->drc_enum.items = pdata->num_drc_cfgs;
3307 		wm8994->drc_enum.texts = wm8994->drc_texts;
3308 
3309 		ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3310 					   ARRAY_SIZE(controls));
3311 		for (i = 0; i < WM8994_NUM_DRC; i++)
3312 			wm8994_set_drc(codec, i);
3313 	} else {
3314 		ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
3315 						 wm8994_drc_controls,
3316 						 ARRAY_SIZE(wm8994_drc_controls));
3317 	}
3318 
3319 	if (ret != 0)
3320 		dev_err(wm8994->hubs.codec->dev,
3321 			"Failed to add DRC mode controls: %d\n", ret);
3322 
3323 
3324 	dev_dbg(codec->dev, "%d ReTune Mobile configurations\n",
3325 		pdata->num_retune_mobile_cfgs);
3326 
3327 	if (pdata->num_retune_mobile_cfgs)
3328 		wm8994_handle_retune_mobile_pdata(wm8994);
3329 	else
3330 		snd_soc_add_codec_controls(wm8994->hubs.codec, wm8994_eq_controls,
3331 				     ARRAY_SIZE(wm8994_eq_controls));
3332 
3333 	for (i = 0; i < ARRAY_SIZE(pdata->micbias); i++) {
3334 		if (pdata->micbias[i]) {
3335 			snd_soc_write(codec, WM8958_MICBIAS1 + i,
3336 				pdata->micbias[i] & 0xffff);
3337 		}
3338 	}
3339 }
3340 
3341 /**
3342  * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ
3343  *
3344  * @codec:   WM8994 codec
3345  * @jack:    jack to report detection events on
3346  * @micbias: microphone bias to detect on
3347  *
3348  * Enable microphone detection via IRQ on the WM8994.  If GPIOs are
3349  * being used to bring out signals to the processor then only platform
3350  * data configuration is needed for WM8994 and processor GPIOs should
3351  * be configured using snd_soc_jack_add_gpios() instead.
3352  *
3353  * Configuration of detection levels is available via the micbias1_lvl
3354  * and micbias2_lvl platform data members.
3355  */
3356 int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3357 		      int micbias)
3358 {
3359 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3360 	struct wm8994_micdet *micdet;
3361 	struct wm8994 *control = wm8994->wm8994;
3362 	int reg, ret;
3363 
3364 	if (control->type != WM8994) {
3365 		dev_warn(codec->dev, "Not a WM8994\n");
3366 		return -EINVAL;
3367 	}
3368 
3369 	switch (micbias) {
3370 	case 1:
3371 		micdet = &wm8994->micdet[0];
3372 		if (jack)
3373 			ret = snd_soc_dapm_force_enable_pin(&codec->dapm,
3374 							    "MICBIAS1");
3375 		else
3376 			ret = snd_soc_dapm_disable_pin(&codec->dapm,
3377 						       "MICBIAS1");
3378 		break;
3379 	case 2:
3380 		micdet = &wm8994->micdet[1];
3381 		if (jack)
3382 			ret = snd_soc_dapm_force_enable_pin(&codec->dapm,
3383 							    "MICBIAS1");
3384 		else
3385 			ret = snd_soc_dapm_disable_pin(&codec->dapm,
3386 						       "MICBIAS1");
3387 		break;
3388 	default:
3389 		dev_warn(codec->dev, "Invalid MICBIAS %d\n", micbias);
3390 		return -EINVAL;
3391 	}
3392 
3393 	if (ret != 0)
3394 		dev_warn(codec->dev, "Failed to configure MICBIAS%d: %d\n",
3395 			 micbias, ret);
3396 
3397 	dev_dbg(codec->dev, "Configuring microphone detection on %d %p\n",
3398 		micbias, jack);
3399 
3400 	/* Store the configuration */
3401 	micdet->jack = jack;
3402 	micdet->detecting = true;
3403 
3404 	/* If either of the jacks is set up then enable detection */
3405 	if (wm8994->micdet[0].jack || wm8994->micdet[1].jack)
3406 		reg = WM8994_MICD_ENA;
3407 	else
3408 		reg = 0;
3409 
3410 	snd_soc_update_bits(codec, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
3411 
3412 	/* enable MICDET and MICSHRT deboune */
3413 	snd_soc_update_bits(codec, WM8994_IRQ_DEBOUNCE,
3414 			    WM8994_MIC1_DET_DB_MASK | WM8994_MIC1_SHRT_DB_MASK |
3415 			    WM8994_MIC2_DET_DB_MASK | WM8994_MIC2_SHRT_DB_MASK,
3416 			    WM8994_MIC1_DET_DB | WM8994_MIC1_SHRT_DB);
3417 
3418 	snd_soc_dapm_sync(&codec->dapm);
3419 
3420 	return 0;
3421 }
3422 EXPORT_SYMBOL_GPL(wm8994_mic_detect);
3423 
3424 static void wm8994_mic_work(struct work_struct *work)
3425 {
3426 	struct wm8994_priv *priv = container_of(work,
3427 						struct wm8994_priv,
3428 						mic_work.work);
3429 	struct regmap *regmap = priv->wm8994->regmap;
3430 	struct device *dev = priv->wm8994->dev;
3431 	unsigned int reg;
3432 	int ret;
3433 	int report;
3434 
3435 	pm_runtime_get_sync(dev);
3436 
3437 	ret = regmap_read(regmap, WM8994_INTERRUPT_RAW_STATUS_2, &reg);
3438 	if (ret < 0) {
3439 		dev_err(dev, "Failed to read microphone status: %d\n",
3440 			ret);
3441 		pm_runtime_put(dev);
3442 		return;
3443 	}
3444 
3445 	dev_dbg(dev, "Microphone status: %x\n", reg);
3446 
3447 	report = 0;
3448 	if (reg & WM8994_MIC1_DET_STS) {
3449 		if (priv->micdet[0].detecting)
3450 			report = SND_JACK_HEADSET;
3451 	}
3452 	if (reg & WM8994_MIC1_SHRT_STS) {
3453 		if (priv->micdet[0].detecting)
3454 			report = SND_JACK_HEADPHONE;
3455 		else
3456 			report |= SND_JACK_BTN_0;
3457 	}
3458 	if (report)
3459 		priv->micdet[0].detecting = false;
3460 	else
3461 		priv->micdet[0].detecting = true;
3462 
3463 	snd_soc_jack_report(priv->micdet[0].jack, report,
3464 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
3465 
3466 	report = 0;
3467 	if (reg & WM8994_MIC2_DET_STS) {
3468 		if (priv->micdet[1].detecting)
3469 			report = SND_JACK_HEADSET;
3470 	}
3471 	if (reg & WM8994_MIC2_SHRT_STS) {
3472 		if (priv->micdet[1].detecting)
3473 			report = SND_JACK_HEADPHONE;
3474 		else
3475 			report |= SND_JACK_BTN_0;
3476 	}
3477 	if (report)
3478 		priv->micdet[1].detecting = false;
3479 	else
3480 		priv->micdet[1].detecting = true;
3481 
3482 	snd_soc_jack_report(priv->micdet[1].jack, report,
3483 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
3484 
3485 	pm_runtime_put(dev);
3486 }
3487 
3488 static irqreturn_t wm8994_mic_irq(int irq, void *data)
3489 {
3490 	struct wm8994_priv *priv = data;
3491 	struct snd_soc_codec *codec = priv->hubs.codec;
3492 
3493 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3494 	trace_snd_soc_jack_irq(dev_name(codec->dev));
3495 #endif
3496 
3497 	pm_wakeup_event(codec->dev, 300);
3498 
3499 	queue_delayed_work(system_power_efficient_wq,
3500 			   &priv->mic_work, msecs_to_jiffies(250));
3501 
3502 	return IRQ_HANDLED;
3503 }
3504 
3505 /* Should be called with accdet_lock held */
3506 static void wm1811_micd_stop(struct snd_soc_codec *codec)
3507 {
3508 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3509 
3510 	if (!wm8994->jackdet)
3511 		return;
3512 
3513 	snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0);
3514 
3515 	wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3516 
3517 	if (wm8994->wm8994->pdata.jd_ext_cap)
3518 		snd_soc_dapm_disable_pin(&codec->dapm,
3519 					 "MICBIAS2");
3520 }
3521 
3522 static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
3523 {
3524 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3525 	int report;
3526 
3527 	report = 0;
3528 	if (status & 0x4)
3529 		report |= SND_JACK_BTN_0;
3530 
3531 	if (status & 0x8)
3532 		report |= SND_JACK_BTN_1;
3533 
3534 	if (status & 0x10)
3535 		report |= SND_JACK_BTN_2;
3536 
3537 	if (status & 0x20)
3538 		report |= SND_JACK_BTN_3;
3539 
3540 	if (status & 0x40)
3541 		report |= SND_JACK_BTN_4;
3542 
3543 	if (status & 0x80)
3544 		report |= SND_JACK_BTN_5;
3545 
3546 	snd_soc_jack_report(wm8994->micdet[0].jack, report,
3547 			    wm8994->btn_mask);
3548 }
3549 
3550 static void wm8958_open_circuit_work(struct work_struct *work)
3551 {
3552 	struct wm8994_priv *wm8994 = container_of(work,
3553 						  struct wm8994_priv,
3554 						  open_circuit_work.work);
3555 	struct device *dev = wm8994->wm8994->dev;
3556 
3557 	mutex_lock(&wm8994->accdet_lock);
3558 
3559 	wm1811_micd_stop(wm8994->hubs.codec);
3560 
3561 	dev_dbg(dev, "Reporting open circuit\n");
3562 
3563 	wm8994->jack_mic = false;
3564 	wm8994->mic_detecting = true;
3565 
3566 	wm8958_micd_set_rate(wm8994->hubs.codec);
3567 
3568 	snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3569 			    wm8994->btn_mask |
3570 			    SND_JACK_HEADSET);
3571 
3572 	mutex_unlock(&wm8994->accdet_lock);
3573 }
3574 
3575 static void wm8958_mic_id(void *data, u16 status)
3576 {
3577 	struct snd_soc_codec *codec = data;
3578 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3579 
3580 	/* Either nothing present or just starting detection */
3581 	if (!(status & WM8958_MICD_STS)) {
3582 		/* If nothing present then clear our statuses */
3583 		dev_dbg(codec->dev, "Detected open circuit\n");
3584 
3585 		queue_delayed_work(system_power_efficient_wq,
3586 				   &wm8994->open_circuit_work,
3587 				   msecs_to_jiffies(2500));
3588 		return;
3589 	}
3590 
3591 	/* If the measurement is showing a high impedence we've got a
3592 	 * microphone.
3593 	 */
3594 	if (status & 0x600) {
3595 		dev_dbg(codec->dev, "Detected microphone\n");
3596 
3597 		wm8994->mic_detecting = false;
3598 		wm8994->jack_mic = true;
3599 
3600 		wm8958_micd_set_rate(codec);
3601 
3602 		snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET,
3603 				    SND_JACK_HEADSET);
3604 	}
3605 
3606 
3607 	if (status & 0xfc) {
3608 		dev_dbg(codec->dev, "Detected headphone\n");
3609 		wm8994->mic_detecting = false;
3610 
3611 		wm8958_micd_set_rate(codec);
3612 
3613 		/* If we have jackdet that will detect removal */
3614 		wm1811_micd_stop(codec);
3615 
3616 		snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
3617 				    SND_JACK_HEADSET);
3618 	}
3619 }
3620 
3621 /* Deferred mic detection to allow for extra settling time */
3622 static void wm1811_mic_work(struct work_struct *work)
3623 {
3624 	struct wm8994_priv *wm8994 = container_of(work, struct wm8994_priv,
3625 						  mic_work.work);
3626 	struct wm8994 *control = wm8994->wm8994;
3627 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3628 
3629 	pm_runtime_get_sync(codec->dev);
3630 
3631 	/* If required for an external cap force MICBIAS on */
3632 	if (control->pdata.jd_ext_cap) {
3633 		snd_soc_dapm_force_enable_pin(&codec->dapm,
3634 					      "MICBIAS2");
3635 		snd_soc_dapm_sync(&codec->dapm);
3636 	}
3637 
3638 	mutex_lock(&wm8994->accdet_lock);
3639 
3640 	dev_dbg(codec->dev, "Starting mic detection\n");
3641 
3642 	/* Use a user-supplied callback if we have one */
3643 	if (wm8994->micd_cb) {
3644 		wm8994->micd_cb(wm8994->micd_cb_data);
3645 	} else {
3646 		/*
3647 		 * Start off measument of microphone impedence to find out
3648 		 * what's actually there.
3649 		 */
3650 		wm8994->mic_detecting = true;
3651 		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_MIC);
3652 
3653 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3654 				    WM8958_MICD_ENA, WM8958_MICD_ENA);
3655 	}
3656 
3657 	mutex_unlock(&wm8994->accdet_lock);
3658 
3659 	pm_runtime_put(codec->dev);
3660 }
3661 
3662 static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
3663 {
3664 	struct wm8994_priv *wm8994 = data;
3665 	struct wm8994 *control = wm8994->wm8994;
3666 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3667 	int reg, delay;
3668 	bool present;
3669 
3670 	pm_runtime_get_sync(codec->dev);
3671 
3672 	cancel_delayed_work_sync(&wm8994->mic_complete_work);
3673 
3674 	mutex_lock(&wm8994->accdet_lock);
3675 
3676 	reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3677 	if (reg < 0) {
3678 		dev_err(codec->dev, "Failed to read jack status: %d\n", reg);
3679 		mutex_unlock(&wm8994->accdet_lock);
3680 		pm_runtime_put(codec->dev);
3681 		return IRQ_NONE;
3682 	}
3683 
3684 	dev_dbg(codec->dev, "JACKDET %x\n", reg);
3685 
3686 	present = reg & WM1811_JACKDET_LVL;
3687 
3688 	if (present) {
3689 		dev_dbg(codec->dev, "Jack detected\n");
3690 
3691 		wm8958_micd_set_rate(codec);
3692 
3693 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
3694 				    WM8958_MICB2_DISCH, 0);
3695 
3696 		/* Disable debounce while inserted */
3697 		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3698 				    WM1811_JACKDET_DB, 0);
3699 
3700 		delay = control->pdata.micdet_delay;
3701 		queue_delayed_work(system_power_efficient_wq,
3702 				   &wm8994->mic_work,
3703 				   msecs_to_jiffies(delay));
3704 	} else {
3705 		dev_dbg(codec->dev, "Jack not detected\n");
3706 
3707 		cancel_delayed_work_sync(&wm8994->mic_work);
3708 
3709 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
3710 				    WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
3711 
3712 		/* Enable debounce while removed */
3713 		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3714 				    WM1811_JACKDET_DB, WM1811_JACKDET_DB);
3715 
3716 		wm8994->mic_detecting = false;
3717 		wm8994->jack_mic = false;
3718 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3719 				    WM8958_MICD_ENA, 0);
3720 		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3721 	}
3722 
3723 	mutex_unlock(&wm8994->accdet_lock);
3724 
3725 	/* Turn off MICBIAS if it was on for an external cap */
3726 	if (control->pdata.jd_ext_cap && !present)
3727 		snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2");
3728 
3729 	if (present)
3730 		snd_soc_jack_report(wm8994->micdet[0].jack,
3731 				    SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
3732 	else
3733 		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3734 				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3735 				    wm8994->btn_mask);
3736 
3737 	/* Since we only report deltas force an update, ensures we
3738 	 * avoid bootstrapping issues with the core. */
3739 	snd_soc_jack_report(wm8994->micdet[0].jack, 0, 0);
3740 
3741 	pm_runtime_put(codec->dev);
3742 	return IRQ_HANDLED;
3743 }
3744 
3745 static void wm1811_jackdet_bootstrap(struct work_struct *work)
3746 {
3747 	struct wm8994_priv *wm8994 = container_of(work,
3748 						struct wm8994_priv,
3749 						jackdet_bootstrap.work);
3750 	wm1811_jackdet_irq(0, wm8994);
3751 }
3752 
3753 /**
3754  * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ
3755  *
3756  * @codec:   WM8958 codec
3757  * @jack:    jack to report detection events on
3758  *
3759  * Enable microphone detection functionality for the WM8958.  By
3760  * default simple detection which supports the detection of up to 6
3761  * buttons plus video and microphone functionality is supported.
3762  *
3763  * The WM8958 has an advanced jack detection facility which is able to
3764  * support complex accessory detection, especially when used in
3765  * conjunction with external circuitry.  In order to provide maximum
3766  * flexiblity a callback is provided which allows a completely custom
3767  * detection algorithm.
3768  */
3769 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3770 		      wm1811_micdet_cb det_cb, void *det_cb_data,
3771 		      wm1811_mic_id_cb id_cb, void *id_cb_data)
3772 {
3773 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3774 	struct wm8994 *control = wm8994->wm8994;
3775 	u16 micd_lvl_sel;
3776 
3777 	switch (control->type) {
3778 	case WM1811:
3779 	case WM8958:
3780 		break;
3781 	default:
3782 		return -EINVAL;
3783 	}
3784 
3785 	if (jack) {
3786 		snd_soc_dapm_force_enable_pin(&codec->dapm, "CLK_SYS");
3787 		snd_soc_dapm_sync(&codec->dapm);
3788 
3789 		wm8994->micdet[0].jack = jack;
3790 
3791 		if (det_cb) {
3792 			wm8994->micd_cb = det_cb;
3793 			wm8994->micd_cb_data = det_cb_data;
3794 		} else {
3795 			wm8994->mic_detecting = true;
3796 			wm8994->jack_mic = false;
3797 		}
3798 
3799 		if (id_cb) {
3800 			wm8994->mic_id_cb = id_cb;
3801 			wm8994->mic_id_cb_data = id_cb_data;
3802 		} else {
3803 			wm8994->mic_id_cb = wm8958_mic_id;
3804 			wm8994->mic_id_cb_data = codec;
3805 		}
3806 
3807 		wm8958_micd_set_rate(codec);
3808 
3809 		/* Detect microphones and short circuits by default */
3810 		if (control->pdata.micd_lvl_sel)
3811 			micd_lvl_sel = control->pdata.micd_lvl_sel;
3812 		else
3813 			micd_lvl_sel = 0x41;
3814 
3815 		wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
3816 			SND_JACK_BTN_2 | SND_JACK_BTN_3 |
3817 			SND_JACK_BTN_4 | SND_JACK_BTN_5;
3818 
3819 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_2,
3820 				    WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
3821 
3822 		WARN_ON(codec->dapm.bias_level > SND_SOC_BIAS_STANDBY);
3823 
3824 		/*
3825 		 * If we can use jack detection start off with that,
3826 		 * otherwise jump straight to microphone detection.
3827 		 */
3828 		if (wm8994->jackdet) {
3829 			/* Disable debounce for the initial detect */
3830 			snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3831 					    WM1811_JACKDET_DB, 0);
3832 
3833 			snd_soc_update_bits(codec, WM8958_MICBIAS2,
3834 					    WM8958_MICB2_DISCH,
3835 					    WM8958_MICB2_DISCH);
3836 			snd_soc_update_bits(codec, WM8994_LDO_1,
3837 					    WM8994_LDO1_DISCH, 0);
3838 			wm1811_jackdet_set_mode(codec,
3839 						WM1811_JACKDET_MODE_JACK);
3840 		} else {
3841 			snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3842 					    WM8958_MICD_ENA, WM8958_MICD_ENA);
3843 		}
3844 
3845 	} else {
3846 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3847 				    WM8958_MICD_ENA, 0);
3848 		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_NONE);
3849 		snd_soc_dapm_disable_pin(&codec->dapm, "CLK_SYS");
3850 		snd_soc_dapm_sync(&codec->dapm);
3851 	}
3852 
3853 	return 0;
3854 }
3855 EXPORT_SYMBOL_GPL(wm8958_mic_detect);
3856 
3857 static void wm8958_mic_work(struct work_struct *work)
3858 {
3859 	struct wm8994_priv *wm8994 = container_of(work,
3860 						  struct wm8994_priv,
3861 						  mic_complete_work.work);
3862 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3863 
3864 	pm_runtime_get_sync(codec->dev);
3865 
3866 	mutex_lock(&wm8994->accdet_lock);
3867 
3868 	wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
3869 
3870 	mutex_unlock(&wm8994->accdet_lock);
3871 
3872 	pm_runtime_put(codec->dev);
3873 }
3874 
3875 static irqreturn_t wm8958_mic_irq(int irq, void *data)
3876 {
3877 	struct wm8994_priv *wm8994 = data;
3878 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3879 	int reg, count, ret, id_delay;
3880 
3881 	/*
3882 	 * Jack detection may have detected a removal simulataneously
3883 	 * with an update of the MICDET status; if so it will have
3884 	 * stopped detection and we can ignore this interrupt.
3885 	 */
3886 	if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
3887 		return IRQ_HANDLED;
3888 
3889 	cancel_delayed_work_sync(&wm8994->mic_complete_work);
3890 	cancel_delayed_work_sync(&wm8994->open_circuit_work);
3891 
3892 	pm_runtime_get_sync(codec->dev);
3893 
3894 	/* We may occasionally read a detection without an impedence
3895 	 * range being provided - if that happens loop again.
3896 	 */
3897 	count = 10;
3898 	do {
3899 		reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
3900 		if (reg < 0) {
3901 			dev_err(codec->dev,
3902 				"Failed to read mic detect status: %d\n",
3903 				reg);
3904 			pm_runtime_put(codec->dev);
3905 			return IRQ_NONE;
3906 		}
3907 
3908 		if (!(reg & WM8958_MICD_VALID)) {
3909 			dev_dbg(codec->dev, "Mic detect data not valid\n");
3910 			goto out;
3911 		}
3912 
3913 		if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
3914 			break;
3915 
3916 		msleep(1);
3917 	} while (count--);
3918 
3919 	if (count == 0)
3920 		dev_warn(codec->dev, "No impedance range reported for jack\n");
3921 
3922 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3923 	trace_snd_soc_jack_irq(dev_name(codec->dev));
3924 #endif
3925 
3926 	/* Avoid a transient report when the accessory is being removed */
3927 	if (wm8994->jackdet) {
3928 		ret = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3929 		if (ret < 0) {
3930 			dev_err(codec->dev, "Failed to read jack status: %d\n",
3931 				ret);
3932 		} else if (!(ret & WM1811_JACKDET_LVL)) {
3933 			dev_dbg(codec->dev, "Ignoring removed jack\n");
3934 			goto out;
3935 		}
3936 	} else if (!(reg & WM8958_MICD_STS)) {
3937 		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3938 				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3939 				    wm8994->btn_mask);
3940 		wm8994->mic_detecting = true;
3941 		goto out;
3942 	}
3943 
3944 	wm8994->mic_status = reg;
3945 	id_delay = wm8994->wm8994->pdata.mic_id_delay;
3946 
3947 	if (wm8994->mic_detecting)
3948 		queue_delayed_work(system_power_efficient_wq,
3949 				   &wm8994->mic_complete_work,
3950 				   msecs_to_jiffies(id_delay));
3951 	else
3952 		wm8958_button_det(codec, reg);
3953 
3954 out:
3955 	pm_runtime_put(codec->dev);
3956 	return IRQ_HANDLED;
3957 }
3958 
3959 static irqreturn_t wm8994_fifo_error(int irq, void *data)
3960 {
3961 	struct snd_soc_codec *codec = data;
3962 
3963 	dev_err(codec->dev, "FIFO error\n");
3964 
3965 	return IRQ_HANDLED;
3966 }
3967 
3968 static irqreturn_t wm8994_temp_warn(int irq, void *data)
3969 {
3970 	struct snd_soc_codec *codec = data;
3971 
3972 	dev_err(codec->dev, "Thermal warning\n");
3973 
3974 	return IRQ_HANDLED;
3975 }
3976 
3977 static irqreturn_t wm8994_temp_shut(int irq, void *data)
3978 {
3979 	struct snd_soc_codec *codec = data;
3980 
3981 	dev_crit(codec->dev, "Thermal shutdown\n");
3982 
3983 	return IRQ_HANDLED;
3984 }
3985 
3986 static int wm8994_codec_probe(struct snd_soc_codec *codec)
3987 {
3988 	struct wm8994 *control = dev_get_drvdata(codec->dev->parent);
3989 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3990 	struct snd_soc_dapm_context *dapm = &codec->dapm;
3991 	unsigned int reg;
3992 	int ret, i;
3993 
3994 	wm8994->hubs.codec = codec;
3995 
3996 	mutex_init(&wm8994->accdet_lock);
3997 	INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
3998 			  wm1811_jackdet_bootstrap);
3999 	INIT_DELAYED_WORK(&wm8994->open_circuit_work,
4000 			  wm8958_open_circuit_work);
4001 
4002 	switch (control->type) {
4003 	case WM8994:
4004 		INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
4005 		break;
4006 	case WM1811:
4007 		INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
4008 		break;
4009 	default:
4010 		break;
4011 	}
4012 
4013 	INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
4014 
4015 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4016 		init_completion(&wm8994->fll_locked[i]);
4017 
4018 	wm8994->micdet_irq = control->pdata.micdet_irq;
4019 
4020 	/* By default use idle_bias_off, will override for WM8994 */
4021 	codec->dapm.idle_bias_off = 1;
4022 
4023 	/* Set revision-specific configuration */
4024 	switch (control->type) {
4025 	case WM8994:
4026 		/* Single ended line outputs should have VMID on. */
4027 		if (!control->pdata.lineout1_diff ||
4028 		    !control->pdata.lineout2_diff)
4029 			codec->dapm.idle_bias_off = 0;
4030 
4031 		switch (control->revision) {
4032 		case 2:
4033 		case 3:
4034 			wm8994->hubs.dcs_codes_l = -5;
4035 			wm8994->hubs.dcs_codes_r = -5;
4036 			wm8994->hubs.hp_startup_mode = 1;
4037 			wm8994->hubs.dcs_readback_mode = 1;
4038 			wm8994->hubs.series_startup = 1;
4039 			break;
4040 		default:
4041 			wm8994->hubs.dcs_readback_mode = 2;
4042 			break;
4043 		}
4044 		break;
4045 
4046 	case WM8958:
4047 		wm8994->hubs.dcs_readback_mode = 1;
4048 		wm8994->hubs.hp_startup_mode = 1;
4049 
4050 		switch (control->revision) {
4051 		case 0:
4052 			break;
4053 		default:
4054 			wm8994->fll_byp = true;
4055 			break;
4056 		}
4057 		break;
4058 
4059 	case WM1811:
4060 		wm8994->hubs.dcs_readback_mode = 2;
4061 		wm8994->hubs.no_series_update = 1;
4062 		wm8994->hubs.hp_startup_mode = 1;
4063 		wm8994->hubs.no_cache_dac_hp_direct = true;
4064 		wm8994->fll_byp = true;
4065 
4066 		wm8994->hubs.dcs_codes_l = -9;
4067 		wm8994->hubs.dcs_codes_r = -7;
4068 
4069 		snd_soc_update_bits(codec, WM8994_ANALOGUE_HP_1,
4070 				    WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
4071 		break;
4072 
4073 	default:
4074 		break;
4075 	}
4076 
4077 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR,
4078 			   wm8994_fifo_error, "FIFO error", codec);
4079 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
4080 			   wm8994_temp_warn, "Thermal warning", codec);
4081 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
4082 			   wm8994_temp_shut, "Thermal shutdown", codec);
4083 
4084 	switch (control->type) {
4085 	case WM8994:
4086 		if (wm8994->micdet_irq)
4087 			ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4088 						   wm8994_mic_irq,
4089 						   IRQF_TRIGGER_RISING,
4090 						   "Mic1 detect",
4091 						   wm8994);
4092 		 else
4093 			ret = wm8994_request_irq(wm8994->wm8994,
4094 					WM8994_IRQ_MIC1_DET,
4095 					wm8994_mic_irq, "Mic 1 detect",
4096 					wm8994);
4097 
4098 		if (ret != 0)
4099 			dev_warn(codec->dev,
4100 				 "Failed to request Mic1 detect IRQ: %d\n",
4101 				 ret);
4102 
4103 
4104 		ret = wm8994_request_irq(wm8994->wm8994,
4105 					 WM8994_IRQ_MIC1_SHRT,
4106 					 wm8994_mic_irq, "Mic 1 short",
4107 					 wm8994);
4108 		if (ret != 0)
4109 			dev_warn(codec->dev,
4110 				 "Failed to request Mic1 short IRQ: %d\n",
4111 				 ret);
4112 
4113 		ret = wm8994_request_irq(wm8994->wm8994,
4114 					 WM8994_IRQ_MIC2_DET,
4115 					 wm8994_mic_irq, "Mic 2 detect",
4116 					 wm8994);
4117 		if (ret != 0)
4118 			dev_warn(codec->dev,
4119 				 "Failed to request Mic2 detect IRQ: %d\n",
4120 				 ret);
4121 
4122 		ret = wm8994_request_irq(wm8994->wm8994,
4123 					 WM8994_IRQ_MIC2_SHRT,
4124 					 wm8994_mic_irq, "Mic 2 short",
4125 					 wm8994);
4126 		if (ret != 0)
4127 			dev_warn(codec->dev,
4128 				 "Failed to request Mic2 short IRQ: %d\n",
4129 				 ret);
4130 		break;
4131 
4132 	case WM8958:
4133 	case WM1811:
4134 		if (wm8994->micdet_irq) {
4135 			ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4136 						   wm8958_mic_irq,
4137 						   IRQF_TRIGGER_RISING,
4138 						   "Mic detect",
4139 						   wm8994);
4140 			if (ret != 0)
4141 				dev_warn(codec->dev,
4142 					 "Failed to request Mic detect IRQ: %d\n",
4143 					 ret);
4144 		} else {
4145 			wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4146 					   wm8958_mic_irq, "Mic detect",
4147 					   wm8994);
4148 		}
4149 	}
4150 
4151 	switch (control->type) {
4152 	case WM1811:
4153 		if (control->cust_id > 1 || control->revision > 1) {
4154 			ret = wm8994_request_irq(wm8994->wm8994,
4155 						 WM8994_IRQ_GPIO(6),
4156 						 wm1811_jackdet_irq, "JACKDET",
4157 						 wm8994);
4158 			if (ret == 0)
4159 				wm8994->jackdet = true;
4160 		}
4161 		break;
4162 	default:
4163 		break;
4164 	}
4165 
4166 	wm8994->fll_locked_irq = true;
4167 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
4168 		ret = wm8994_request_irq(wm8994->wm8994,
4169 					 WM8994_IRQ_FLL1_LOCK + i,
4170 					 wm8994_fll_locked_irq, "FLL lock",
4171 					 &wm8994->fll_locked[i]);
4172 		if (ret != 0)
4173 			wm8994->fll_locked_irq = false;
4174 	}
4175 
4176 	/* Make sure we can read from the GPIOs if they're inputs */
4177 	pm_runtime_get_sync(codec->dev);
4178 
4179 	/* Remember if AIFnLRCLK is configured as a GPIO.  This should be
4180 	 * configured on init - if a system wants to do this dynamically
4181 	 * at runtime we can deal with that then.
4182 	 */
4183 	ret = regmap_read(control->regmap, WM8994_GPIO_1, &reg);
4184 	if (ret < 0) {
4185 		dev_err(codec->dev, "Failed to read GPIO1 state: %d\n", ret);
4186 		goto err_irq;
4187 	}
4188 	if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4189 		wm8994->lrclk_shared[0] = 1;
4190 		wm8994_dai[0].symmetric_rates = 1;
4191 	} else {
4192 		wm8994->lrclk_shared[0] = 0;
4193 	}
4194 
4195 	ret = regmap_read(control->regmap, WM8994_GPIO_6, &reg);
4196 	if (ret < 0) {
4197 		dev_err(codec->dev, "Failed to read GPIO6 state: %d\n", ret);
4198 		goto err_irq;
4199 	}
4200 	if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4201 		wm8994->lrclk_shared[1] = 1;
4202 		wm8994_dai[1].symmetric_rates = 1;
4203 	} else {
4204 		wm8994->lrclk_shared[1] = 0;
4205 	}
4206 
4207 	pm_runtime_put(codec->dev);
4208 
4209 	/* Latch volume update bits */
4210 	for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
4211 		snd_soc_update_bits(codec, wm8994_vu_bits[i].reg,
4212 				    wm8994_vu_bits[i].mask,
4213 				    wm8994_vu_bits[i].mask);
4214 
4215 	/* Set the low bit of the 3D stereo depth so TLV matches */
4216 	snd_soc_update_bits(codec, WM8994_AIF1_DAC1_FILTERS_2,
4217 			    1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT,
4218 			    1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT);
4219 	snd_soc_update_bits(codec, WM8994_AIF1_DAC2_FILTERS_2,
4220 			    1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT,
4221 			    1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT);
4222 	snd_soc_update_bits(codec, WM8994_AIF2_DAC_FILTERS_2,
4223 			    1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
4224 			    1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
4225 
4226 	/* Unconditionally enable AIF1 ADC TDM mode on chips which can
4227 	 * use this; it only affects behaviour on idle TDM clock
4228 	 * cycles. */
4229 	switch (control->type) {
4230 	case WM8994:
4231 	case WM8958:
4232 		snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
4233 				    WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
4234 		break;
4235 	default:
4236 		break;
4237 	}
4238 
4239 	/* Put MICBIAS into bypass mode by default on newer devices */
4240 	switch (control->type) {
4241 	case WM8958:
4242 	case WM1811:
4243 		snd_soc_update_bits(codec, WM8958_MICBIAS1,
4244 				    WM8958_MICB1_MODE, WM8958_MICB1_MODE);
4245 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
4246 				    WM8958_MICB2_MODE, WM8958_MICB2_MODE);
4247 		break;
4248 	default:
4249 		break;
4250 	}
4251 
4252 	wm8994->hubs.check_class_w_digital = wm8994_check_class_w_digital;
4253 	wm_hubs_update_class_w(codec);
4254 
4255 	wm8994_handle_pdata(wm8994);
4256 
4257 	wm_hubs_add_analogue_controls(codec);
4258 	snd_soc_add_codec_controls(codec, wm8994_snd_controls,
4259 			     ARRAY_SIZE(wm8994_snd_controls));
4260 	snd_soc_dapm_new_controls(dapm, wm8994_dapm_widgets,
4261 				  ARRAY_SIZE(wm8994_dapm_widgets));
4262 
4263 	switch (control->type) {
4264 	case WM8994:
4265 		snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
4266 					  ARRAY_SIZE(wm8994_specific_dapm_widgets));
4267 		if (control->revision < 4) {
4268 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4269 						  ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4270 			snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4271 						  ARRAY_SIZE(wm8994_adc_revd_widgets));
4272 			snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4273 						  ARRAY_SIZE(wm8994_dac_revd_widgets));
4274 		} else {
4275 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4276 						  ARRAY_SIZE(wm8994_lateclk_widgets));
4277 			snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4278 						  ARRAY_SIZE(wm8994_adc_widgets));
4279 			snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4280 						  ARRAY_SIZE(wm8994_dac_widgets));
4281 		}
4282 		break;
4283 	case WM8958:
4284 		snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4285 				     ARRAY_SIZE(wm8958_snd_controls));
4286 		snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4287 					  ARRAY_SIZE(wm8958_dapm_widgets));
4288 		if (control->revision < 1) {
4289 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4290 						  ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4291 			snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4292 						  ARRAY_SIZE(wm8994_adc_revd_widgets));
4293 			snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4294 						  ARRAY_SIZE(wm8994_dac_revd_widgets));
4295 		} else {
4296 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4297 						  ARRAY_SIZE(wm8994_lateclk_widgets));
4298 			snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4299 						  ARRAY_SIZE(wm8994_adc_widgets));
4300 			snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4301 						  ARRAY_SIZE(wm8994_dac_widgets));
4302 		}
4303 		break;
4304 
4305 	case WM1811:
4306 		snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4307 				     ARRAY_SIZE(wm8958_snd_controls));
4308 		snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4309 					  ARRAY_SIZE(wm8958_dapm_widgets));
4310 		snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4311 					  ARRAY_SIZE(wm8994_lateclk_widgets));
4312 		snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4313 					  ARRAY_SIZE(wm8994_adc_widgets));
4314 		snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4315 					  ARRAY_SIZE(wm8994_dac_widgets));
4316 		break;
4317 	}
4318 
4319 	wm_hubs_add_analogue_routes(codec, 0, 0);
4320 	ret = wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4321 				 wm_hubs_dcs_done, "DC servo done",
4322 				 &wm8994->hubs);
4323 	if (ret == 0)
4324 		wm8994->hubs.dcs_done_irq = true;
4325 	snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
4326 
4327 	switch (control->type) {
4328 	case WM8994:
4329 		snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4330 					ARRAY_SIZE(wm8994_intercon));
4331 
4332 		if (control->revision < 4) {
4333 			snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4334 						ARRAY_SIZE(wm8994_revd_intercon));
4335 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4336 						ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4337 		} else {
4338 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4339 						ARRAY_SIZE(wm8994_lateclk_intercon));
4340 		}
4341 		break;
4342 	case WM8958:
4343 		if (control->revision < 1) {
4344 			snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4345 						ARRAY_SIZE(wm8994_intercon));
4346 			snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4347 						ARRAY_SIZE(wm8994_revd_intercon));
4348 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4349 						ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4350 		} else {
4351 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4352 						ARRAY_SIZE(wm8994_lateclk_intercon));
4353 			snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4354 						ARRAY_SIZE(wm8958_intercon));
4355 		}
4356 
4357 		wm8958_dsp2_init(codec);
4358 		break;
4359 	case WM1811:
4360 		snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4361 					ARRAY_SIZE(wm8994_lateclk_intercon));
4362 		snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4363 					ARRAY_SIZE(wm8958_intercon));
4364 		break;
4365 	}
4366 
4367 	return 0;
4368 
4369 err_irq:
4370 	if (wm8994->jackdet)
4371 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4372 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_SHRT, wm8994);
4373 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET, wm8994);
4374 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT, wm8994);
4375 	if (wm8994->micdet_irq)
4376 		free_irq(wm8994->micdet_irq, wm8994);
4377 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4378 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4379 				&wm8994->fll_locked[i]);
4380 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4381 			&wm8994->hubs);
4382 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4383 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4384 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4385 
4386 	return ret;
4387 }
4388 
4389 static int wm8994_codec_remove(struct snd_soc_codec *codec)
4390 {
4391 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
4392 	struct wm8994 *control = wm8994->wm8994;
4393 	int i;
4394 
4395 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4396 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4397 				&wm8994->fll_locked[i]);
4398 
4399 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4400 			&wm8994->hubs);
4401 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4402 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4403 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4404 
4405 	if (wm8994->jackdet)
4406 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4407 
4408 	switch (control->type) {
4409 	case WM8994:
4410 		if (wm8994->micdet_irq)
4411 			free_irq(wm8994->micdet_irq, wm8994);
4412 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET,
4413 				wm8994);
4414 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT,
4415 				wm8994);
4416 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4417 				wm8994);
4418 		break;
4419 
4420 	case WM1811:
4421 	case WM8958:
4422 		if (wm8994->micdet_irq)
4423 			free_irq(wm8994->micdet_irq, wm8994);
4424 		break;
4425 	}
4426 	release_firmware(wm8994->mbc);
4427 	release_firmware(wm8994->mbc_vss);
4428 	release_firmware(wm8994->enh_eq);
4429 	kfree(wm8994->retune_mobile_texts);
4430 	return 0;
4431 }
4432 
4433 static struct regmap *wm8994_get_regmap(struct device *dev)
4434 {
4435 	struct wm8994 *control = dev_get_drvdata(dev->parent);
4436 
4437 	return control->regmap;
4438 }
4439 
4440 static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
4441 	.probe =	wm8994_codec_probe,
4442 	.remove =	wm8994_codec_remove,
4443 	.suspend =	wm8994_codec_suspend,
4444 	.resume =	wm8994_codec_resume,
4445 	.get_regmap =   wm8994_get_regmap,
4446 	.set_bias_level = wm8994_set_bias_level,
4447 };
4448 
4449 static int wm8994_probe(struct platform_device *pdev)
4450 {
4451 	struct wm8994_priv *wm8994;
4452 
4453 	wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv),
4454 			      GFP_KERNEL);
4455 	if (wm8994 == NULL)
4456 		return -ENOMEM;
4457 	platform_set_drvdata(pdev, wm8994);
4458 
4459 	mutex_init(&wm8994->fw_lock);
4460 
4461 	wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
4462 
4463 	pm_runtime_enable(&pdev->dev);
4464 	pm_runtime_idle(&pdev->dev);
4465 
4466 	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8994,
4467 			wm8994_dai, ARRAY_SIZE(wm8994_dai));
4468 }
4469 
4470 static int wm8994_remove(struct platform_device *pdev)
4471 {
4472 	snd_soc_unregister_codec(&pdev->dev);
4473 	pm_runtime_disable(&pdev->dev);
4474 
4475 	return 0;
4476 }
4477 
4478 #ifdef CONFIG_PM_SLEEP
4479 static int wm8994_suspend(struct device *dev)
4480 {
4481 	struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4482 
4483 	/* Drop down to power saving mode when system is suspended */
4484 	if (wm8994->jackdet && !wm8994->active_refcount)
4485 		regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4486 				   WM1811_JACKDET_MODE_MASK,
4487 				   wm8994->jackdet_mode);
4488 
4489 	return 0;
4490 }
4491 
4492 static int wm8994_resume(struct device *dev)
4493 {
4494 	struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4495 
4496 	if (wm8994->jackdet && wm8994->jackdet_mode)
4497 		regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4498 				   WM1811_JACKDET_MODE_MASK,
4499 				   WM1811_JACKDET_MODE_AUDIO);
4500 
4501 	return 0;
4502 }
4503 #endif
4504 
4505 static const struct dev_pm_ops wm8994_pm_ops = {
4506 	SET_SYSTEM_SLEEP_PM_OPS(wm8994_suspend, wm8994_resume)
4507 };
4508 
4509 static struct platform_driver wm8994_codec_driver = {
4510 	.driver = {
4511 		.name = "wm8994-codec",
4512 		.pm = &wm8994_pm_ops,
4513 	},
4514 	.probe = wm8994_probe,
4515 	.remove = wm8994_remove,
4516 };
4517 
4518 module_platform_driver(wm8994_codec_driver);
4519 
4520 MODULE_DESCRIPTION("ASoC WM8994 driver");
4521 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
4522 MODULE_LICENSE("GPL");
4523 MODULE_ALIAS("platform:wm8994-codec");
4524