xref: /linux/sound/soc/codecs/wm8994.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * wm8994.c  --  WM8994 ALSA SoC Audio driver
3  *
4  * Copyright 2009-12 Wolfson Microelectronics plc
5  *
6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7  *
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/gcd.h>
20 #include <linux/i2c.h>
21 #include <linux/platform_device.h>
22 #include <linux/pm_runtime.h>
23 #include <linux/regulator/consumer.h>
24 #include <linux/slab.h>
25 #include <sound/core.h>
26 #include <sound/jack.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/initval.h>
31 #include <sound/tlv.h>
32 #include <trace/events/asoc.h>
33 
34 #include <linux/mfd/wm8994/core.h>
35 #include <linux/mfd/wm8994/registers.h>
36 #include <linux/mfd/wm8994/pdata.h>
37 #include <linux/mfd/wm8994/gpio.h>
38 
39 #include "wm8994.h"
40 #include "wm_hubs.h"
41 
42 #define WM1811_JACKDET_MODE_NONE  0x0000
43 #define WM1811_JACKDET_MODE_JACK  0x0100
44 #define WM1811_JACKDET_MODE_MIC   0x0080
45 #define WM1811_JACKDET_MODE_AUDIO 0x0180
46 
47 #define WM8994_NUM_DRC 3
48 #define WM8994_NUM_EQ  3
49 
50 static struct {
51 	unsigned int reg;
52 	unsigned int mask;
53 } wm8994_vu_bits[] = {
54 	{ WM8994_LEFT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
55 	{ WM8994_RIGHT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
56 	{ WM8994_LEFT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
57 	{ WM8994_RIGHT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
58 	{ WM8994_SPEAKER_VOLUME_LEFT, WM8994_SPKOUT_VU },
59 	{ WM8994_SPEAKER_VOLUME_RIGHT, WM8994_SPKOUT_VU },
60 	{ WM8994_LEFT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
61 	{ WM8994_RIGHT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
62 	{ WM8994_LEFT_OPGA_VOLUME, WM8994_MIXOUT_VU },
63 	{ WM8994_RIGHT_OPGA_VOLUME, WM8994_MIXOUT_VU },
64 
65 	{ WM8994_AIF1_DAC1_LEFT_VOLUME, WM8994_AIF1DAC1_VU },
66 	{ WM8994_AIF1_DAC1_RIGHT_VOLUME, WM8994_AIF1DAC1_VU },
67 	{ WM8994_AIF1_DAC2_LEFT_VOLUME, WM8994_AIF1DAC2_VU },
68 	{ WM8994_AIF1_DAC2_RIGHT_VOLUME, WM8994_AIF1DAC2_VU },
69 	{ WM8994_AIF2_DAC_LEFT_VOLUME, WM8994_AIF2DAC_VU },
70 	{ WM8994_AIF2_DAC_RIGHT_VOLUME, WM8994_AIF2DAC_VU },
71 	{ WM8994_AIF1_ADC1_LEFT_VOLUME, WM8994_AIF1ADC1_VU },
72 	{ WM8994_AIF1_ADC1_RIGHT_VOLUME, WM8994_AIF1ADC1_VU },
73 	{ WM8994_AIF1_ADC2_LEFT_VOLUME, WM8994_AIF1ADC2_VU },
74 	{ WM8994_AIF1_ADC2_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
75 	{ WM8994_AIF2_ADC_LEFT_VOLUME, WM8994_AIF2ADC_VU },
76 	{ WM8994_AIF2_ADC_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
77 	{ WM8994_DAC1_LEFT_VOLUME, WM8994_DAC1_VU },
78 	{ WM8994_DAC1_RIGHT_VOLUME, WM8994_DAC1_VU },
79 	{ WM8994_DAC2_LEFT_VOLUME, WM8994_DAC2_VU },
80 	{ WM8994_DAC2_RIGHT_VOLUME, WM8994_DAC2_VU },
81 };
82 
83 static int wm8994_drc_base[] = {
84 	WM8994_AIF1_DRC1_1,
85 	WM8994_AIF1_DRC2_1,
86 	WM8994_AIF2_DRC_1,
87 };
88 
89 static int wm8994_retune_mobile_base[] = {
90 	WM8994_AIF1_DAC1_EQ_GAINS_1,
91 	WM8994_AIF1_DAC2_EQ_GAINS_1,
92 	WM8994_AIF2_EQ_GAINS_1,
93 };
94 
95 static const struct wm8958_micd_rate micdet_rates[] = {
96 	{ 32768,       true,  1, 4 },
97 	{ 32768,       false, 1, 1 },
98 	{ 44100 * 256, true,  7, 10 },
99 	{ 44100 * 256, false, 7, 10 },
100 };
101 
102 static const struct wm8958_micd_rate jackdet_rates[] = {
103 	{ 32768,       true,  0, 1 },
104 	{ 32768,       false, 0, 1 },
105 	{ 44100 * 256, true,  10, 10 },
106 	{ 44100 * 256, false, 7, 8 },
107 };
108 
109 static void wm8958_micd_set_rate(struct snd_soc_codec *codec)
110 {
111 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
112 	struct wm8994 *control = wm8994->wm8994;
113 	int best, i, sysclk, val;
114 	bool idle;
115 	const struct wm8958_micd_rate *rates;
116 	int num_rates;
117 
118 	idle = !wm8994->jack_mic;
119 
120 	sysclk = snd_soc_read(codec, WM8994_CLOCKING_1);
121 	if (sysclk & WM8994_SYSCLK_SRC)
122 		sysclk = wm8994->aifclk[1];
123 	else
124 		sysclk = wm8994->aifclk[0];
125 
126 	if (control->pdata.micd_rates) {
127 		rates = control->pdata.micd_rates;
128 		num_rates = control->pdata.num_micd_rates;
129 	} else if (wm8994->jackdet) {
130 		rates = jackdet_rates;
131 		num_rates = ARRAY_SIZE(jackdet_rates);
132 	} else {
133 		rates = micdet_rates;
134 		num_rates = ARRAY_SIZE(micdet_rates);
135 	}
136 
137 	best = 0;
138 	for (i = 0; i < num_rates; i++) {
139 		if (rates[i].idle != idle)
140 			continue;
141 		if (abs(rates[i].sysclk - sysclk) <
142 		    abs(rates[best].sysclk - sysclk))
143 			best = i;
144 		else if (rates[best].idle != idle)
145 			best = i;
146 	}
147 
148 	val = rates[best].start << WM8958_MICD_BIAS_STARTTIME_SHIFT
149 		| rates[best].rate << WM8958_MICD_RATE_SHIFT;
150 
151 	dev_dbg(codec->dev, "MICD rate %d,%d for %dHz %s\n",
152 		rates[best].start, rates[best].rate, sysclk,
153 		idle ? "idle" : "active");
154 
155 	snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
156 			    WM8958_MICD_BIAS_STARTTIME_MASK |
157 			    WM8958_MICD_RATE_MASK, val);
158 }
159 
160 static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
161 {
162 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
163 	int rate;
164 	int reg1 = 0;
165 	int offset;
166 
167 	if (aif)
168 		offset = 4;
169 	else
170 		offset = 0;
171 
172 	switch (wm8994->sysclk[aif]) {
173 	case WM8994_SYSCLK_MCLK1:
174 		rate = wm8994->mclk[0];
175 		break;
176 
177 	case WM8994_SYSCLK_MCLK2:
178 		reg1 |= 0x8;
179 		rate = wm8994->mclk[1];
180 		break;
181 
182 	case WM8994_SYSCLK_FLL1:
183 		reg1 |= 0x10;
184 		rate = wm8994->fll[0].out;
185 		break;
186 
187 	case WM8994_SYSCLK_FLL2:
188 		reg1 |= 0x18;
189 		rate = wm8994->fll[1].out;
190 		break;
191 
192 	default:
193 		return -EINVAL;
194 	}
195 
196 	if (rate >= 13500000) {
197 		rate /= 2;
198 		reg1 |= WM8994_AIF1CLK_DIV;
199 
200 		dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
201 			aif + 1, rate);
202 	}
203 
204 	wm8994->aifclk[aif] = rate;
205 
206 	snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset,
207 			    WM8994_AIF1CLK_SRC_MASK | WM8994_AIF1CLK_DIV,
208 			    reg1);
209 
210 	return 0;
211 }
212 
213 static int configure_clock(struct snd_soc_codec *codec)
214 {
215 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
216 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
217 	int change, new;
218 
219 	/* Bring up the AIF clocks first */
220 	configure_aif_clock(codec, 0);
221 	configure_aif_clock(codec, 1);
222 
223 	/* Then switch CLK_SYS over to the higher of them; a change
224 	 * can only happen as a result of a clocking change which can
225 	 * only be made outside of DAPM so we can safely redo the
226 	 * clocking.
227 	 */
228 
229 	/* If they're equal it doesn't matter which is used */
230 	if (wm8994->aifclk[0] == wm8994->aifclk[1]) {
231 		wm8958_micd_set_rate(codec);
232 		return 0;
233 	}
234 
235 	if (wm8994->aifclk[0] < wm8994->aifclk[1])
236 		new = WM8994_SYSCLK_SRC;
237 	else
238 		new = 0;
239 
240 	change = snd_soc_update_bits(codec, WM8994_CLOCKING_1,
241 				     WM8994_SYSCLK_SRC, new);
242 	if (change)
243 		snd_soc_dapm_sync(dapm);
244 
245 	wm8958_micd_set_rate(codec);
246 
247 	return 0;
248 }
249 
250 static int check_clk_sys(struct snd_soc_dapm_widget *source,
251 			 struct snd_soc_dapm_widget *sink)
252 {
253 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
254 	int reg = snd_soc_read(codec, WM8994_CLOCKING_1);
255 	const char *clk;
256 
257 	/* Check what we're currently using for CLK_SYS */
258 	if (reg & WM8994_SYSCLK_SRC)
259 		clk = "AIF2CLK";
260 	else
261 		clk = "AIF1CLK";
262 
263 	return strcmp(source->name, clk) == 0;
264 }
265 
266 static const char *sidetone_hpf_text[] = {
267 	"2.7kHz", "1.35kHz", "675Hz", "370Hz", "180Hz", "90Hz", "45Hz"
268 };
269 
270 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
271 			    WM8994_SIDETONE, 7, sidetone_hpf_text);
272 
273 static const char *adc_hpf_text[] = {
274 	"HiFi", "Voice 1", "Voice 2", "Voice 3"
275 };
276 
277 static SOC_ENUM_SINGLE_DECL(aif1adc1_hpf,
278 			    WM8994_AIF1_ADC1_FILTERS, 13, adc_hpf_text);
279 
280 static SOC_ENUM_SINGLE_DECL(aif1adc2_hpf,
281 			    WM8994_AIF1_ADC2_FILTERS, 13, adc_hpf_text);
282 
283 static SOC_ENUM_SINGLE_DECL(aif2adc_hpf,
284 			    WM8994_AIF2_ADC_FILTERS, 13, adc_hpf_text);
285 
286 static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0);
287 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
288 static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0);
289 static const DECLARE_TLV_DB_SCALE(wm8994_3d_tlv, -1600, 183, 0);
290 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
291 static const DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
292 static const DECLARE_TLV_DB_SCALE(mixin_boost_tlv, 0, 900, 0);
293 
294 #define WM8994_DRC_SWITCH(xname, reg, shift) \
295 	SOC_SINGLE_EXT(xname, reg, shift, 1, 0, \
296 		snd_soc_get_volsw, wm8994_put_drc_sw)
297 
298 static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol,
299 			     struct snd_ctl_elem_value *ucontrol)
300 {
301 	struct soc_mixer_control *mc =
302 		(struct soc_mixer_control *)kcontrol->private_value;
303 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
304 	int mask, ret;
305 
306 	/* Can't enable both ADC and DAC paths simultaneously */
307 	if (mc->shift == WM8994_AIF1DAC1_DRC_ENA_SHIFT)
308 		mask = WM8994_AIF1ADC1L_DRC_ENA_MASK |
309 			WM8994_AIF1ADC1R_DRC_ENA_MASK;
310 	else
311 		mask = WM8994_AIF1DAC1_DRC_ENA_MASK;
312 
313 	ret = snd_soc_read(codec, mc->reg);
314 	if (ret < 0)
315 		return ret;
316 	if (ret & mask)
317 		return -EINVAL;
318 
319 	return snd_soc_put_volsw(kcontrol, ucontrol);
320 }
321 
322 static void wm8994_set_drc(struct snd_soc_codec *codec, int drc)
323 {
324 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
325 	struct wm8994 *control = wm8994->wm8994;
326 	struct wm8994_pdata *pdata = &control->pdata;
327 	int base = wm8994_drc_base[drc];
328 	int cfg = wm8994->drc_cfg[drc];
329 	int save, i;
330 
331 	/* Save any enables; the configuration should clear them. */
332 	save = snd_soc_read(codec, base);
333 	save &= WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
334 		WM8994_AIF1ADC1R_DRC_ENA;
335 
336 	for (i = 0; i < WM8994_DRC_REGS; i++)
337 		snd_soc_update_bits(codec, base + i, 0xffff,
338 				    pdata->drc_cfgs[cfg].regs[i]);
339 
340 	snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_DRC_ENA |
341 			     WM8994_AIF1ADC1L_DRC_ENA |
342 			     WM8994_AIF1ADC1R_DRC_ENA, save);
343 }
344 
345 /* Icky as hell but saves code duplication */
346 static int wm8994_get_drc(const char *name)
347 {
348 	if (strcmp(name, "AIF1DRC1 Mode") == 0)
349 		return 0;
350 	if (strcmp(name, "AIF1DRC2 Mode") == 0)
351 		return 1;
352 	if (strcmp(name, "AIF2DRC Mode") == 0)
353 		return 2;
354 	return -EINVAL;
355 }
356 
357 static int wm8994_put_drc_enum(struct snd_kcontrol *kcontrol,
358 			       struct snd_ctl_elem_value *ucontrol)
359 {
360 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
361 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
362 	struct wm8994 *control = wm8994->wm8994;
363 	struct wm8994_pdata *pdata = &control->pdata;
364 	int drc = wm8994_get_drc(kcontrol->id.name);
365 	int value = ucontrol->value.integer.value[0];
366 
367 	if (drc < 0)
368 		return drc;
369 
370 	if (value >= pdata->num_drc_cfgs)
371 		return -EINVAL;
372 
373 	wm8994->drc_cfg[drc] = value;
374 
375 	wm8994_set_drc(codec, drc);
376 
377 	return 0;
378 }
379 
380 static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol,
381 			       struct snd_ctl_elem_value *ucontrol)
382 {
383 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
384 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
385 	int drc = wm8994_get_drc(kcontrol->id.name);
386 
387 	if (drc < 0)
388 		return drc;
389 	ucontrol->value.enumerated.item[0] = wm8994->drc_cfg[drc];
390 
391 	return 0;
392 }
393 
394 static void wm8994_set_retune_mobile(struct snd_soc_codec *codec, int block)
395 {
396 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
397 	struct wm8994 *control = wm8994->wm8994;
398 	struct wm8994_pdata *pdata = &control->pdata;
399 	int base = wm8994_retune_mobile_base[block];
400 	int iface, best, best_val, save, i, cfg;
401 
402 	if (!pdata || !wm8994->num_retune_mobile_texts)
403 		return;
404 
405 	switch (block) {
406 	case 0:
407 	case 1:
408 		iface = 0;
409 		break;
410 	case 2:
411 		iface = 1;
412 		break;
413 	default:
414 		return;
415 	}
416 
417 	/* Find the version of the currently selected configuration
418 	 * with the nearest sample rate. */
419 	cfg = wm8994->retune_mobile_cfg[block];
420 	best = 0;
421 	best_val = INT_MAX;
422 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
423 		if (strcmp(pdata->retune_mobile_cfgs[i].name,
424 			   wm8994->retune_mobile_texts[cfg]) == 0 &&
425 		    abs(pdata->retune_mobile_cfgs[i].rate
426 			- wm8994->dac_rates[iface]) < best_val) {
427 			best = i;
428 			best_val = abs(pdata->retune_mobile_cfgs[i].rate
429 				       - wm8994->dac_rates[iface]);
430 		}
431 	}
432 
433 	dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
434 		block,
435 		pdata->retune_mobile_cfgs[best].name,
436 		pdata->retune_mobile_cfgs[best].rate,
437 		wm8994->dac_rates[iface]);
438 
439 	/* The EQ will be disabled while reconfiguring it, remember the
440 	 * current configuration.
441 	 */
442 	save = snd_soc_read(codec, base);
443 	save &= WM8994_AIF1DAC1_EQ_ENA;
444 
445 	for (i = 0; i < WM8994_EQ_REGS; i++)
446 		snd_soc_update_bits(codec, base + i, 0xffff,
447 				pdata->retune_mobile_cfgs[best].regs[i]);
448 
449 	snd_soc_update_bits(codec, base, WM8994_AIF1DAC1_EQ_ENA, save);
450 }
451 
452 /* Icky as hell but saves code duplication */
453 static int wm8994_get_retune_mobile_block(const char *name)
454 {
455 	if (strcmp(name, "AIF1.1 EQ Mode") == 0)
456 		return 0;
457 	if (strcmp(name, "AIF1.2 EQ Mode") == 0)
458 		return 1;
459 	if (strcmp(name, "AIF2 EQ Mode") == 0)
460 		return 2;
461 	return -EINVAL;
462 }
463 
464 static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
465 					 struct snd_ctl_elem_value *ucontrol)
466 {
467 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
468 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
469 	struct wm8994 *control = wm8994->wm8994;
470 	struct wm8994_pdata *pdata = &control->pdata;
471 	int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
472 	int value = ucontrol->value.integer.value[0];
473 
474 	if (block < 0)
475 		return block;
476 
477 	if (value >= pdata->num_retune_mobile_cfgs)
478 		return -EINVAL;
479 
480 	wm8994->retune_mobile_cfg[block] = value;
481 
482 	wm8994_set_retune_mobile(codec, block);
483 
484 	return 0;
485 }
486 
487 static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
488 					 struct snd_ctl_elem_value *ucontrol)
489 {
490 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
491 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
492 	int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
493 
494 	if (block < 0)
495 		return block;
496 
497 	ucontrol->value.enumerated.item[0] = wm8994->retune_mobile_cfg[block];
498 
499 	return 0;
500 }
501 
502 static const char *aif_chan_src_text[] = {
503 	"Left", "Right"
504 };
505 
506 static SOC_ENUM_SINGLE_DECL(aif1adcl_src,
507 			    WM8994_AIF1_CONTROL_1, 15, aif_chan_src_text);
508 
509 static SOC_ENUM_SINGLE_DECL(aif1adcr_src,
510 			    WM8994_AIF1_CONTROL_1, 14, aif_chan_src_text);
511 
512 static SOC_ENUM_SINGLE_DECL(aif2adcl_src,
513 			    WM8994_AIF2_CONTROL_1, 15, aif_chan_src_text);
514 
515 static SOC_ENUM_SINGLE_DECL(aif2adcr_src,
516 			    WM8994_AIF2_CONTROL_1, 14, aif_chan_src_text);
517 
518 static SOC_ENUM_SINGLE_DECL(aif1dacl_src,
519 			    WM8994_AIF1_CONTROL_2, 15, aif_chan_src_text);
520 
521 static SOC_ENUM_SINGLE_DECL(aif1dacr_src,
522 			    WM8994_AIF1_CONTROL_2, 14, aif_chan_src_text);
523 
524 static SOC_ENUM_SINGLE_DECL(aif2dacl_src,
525 			    WM8994_AIF2_CONTROL_2, 15, aif_chan_src_text);
526 
527 static SOC_ENUM_SINGLE_DECL(aif2dacr_src,
528 			    WM8994_AIF2_CONTROL_2, 14, aif_chan_src_text);
529 
530 static const char *osr_text[] = {
531 	"Low Power", "High Performance",
532 };
533 
534 static SOC_ENUM_SINGLE_DECL(dac_osr,
535 			    WM8994_OVERSAMPLING, 0, osr_text);
536 
537 static SOC_ENUM_SINGLE_DECL(adc_osr,
538 			    WM8994_OVERSAMPLING, 1, osr_text);
539 
540 static const struct snd_kcontrol_new wm8994_snd_controls[] = {
541 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME,
542 		 WM8994_AIF1_ADC1_RIGHT_VOLUME,
543 		 1, 119, 0, digital_tlv),
544 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8994_AIF1_ADC2_LEFT_VOLUME,
545 		 WM8994_AIF1_ADC2_RIGHT_VOLUME,
546 		 1, 119, 0, digital_tlv),
547 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8994_AIF2_ADC_LEFT_VOLUME,
548 		 WM8994_AIF2_ADC_RIGHT_VOLUME,
549 		 1, 119, 0, digital_tlv),
550 
551 SOC_ENUM("AIF1ADCL Source", aif1adcl_src),
552 SOC_ENUM("AIF1ADCR Source", aif1adcr_src),
553 SOC_ENUM("AIF2ADCL Source", aif2adcl_src),
554 SOC_ENUM("AIF2ADCR Source", aif2adcr_src),
555 
556 SOC_ENUM("AIF1DACL Source", aif1dacl_src),
557 SOC_ENUM("AIF1DACR Source", aif1dacr_src),
558 SOC_ENUM("AIF2DACL Source", aif2dacl_src),
559 SOC_ENUM("AIF2DACR Source", aif2dacr_src),
560 
561 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8994_AIF1_DAC1_LEFT_VOLUME,
562 		 WM8994_AIF1_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
563 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8994_AIF1_DAC2_LEFT_VOLUME,
564 		 WM8994_AIF1_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
565 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8994_AIF2_DAC_LEFT_VOLUME,
566 		 WM8994_AIF2_DAC_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
567 
568 SOC_SINGLE_TLV("AIF1 Boost Volume", WM8994_AIF1_CONTROL_2, 10, 3, 0, aif_tlv),
569 SOC_SINGLE_TLV("AIF2 Boost Volume", WM8994_AIF2_CONTROL_2, 10, 3, 0, aif_tlv),
570 
571 SOC_SINGLE("AIF1DAC1 EQ Switch", WM8994_AIF1_DAC1_EQ_GAINS_1, 0, 1, 0),
572 SOC_SINGLE("AIF1DAC2 EQ Switch", WM8994_AIF1_DAC2_EQ_GAINS_1, 0, 1, 0),
573 SOC_SINGLE("AIF2 EQ Switch", WM8994_AIF2_EQ_GAINS_1, 0, 1, 0),
574 
575 WM8994_DRC_SWITCH("AIF1DAC1 DRC Switch", WM8994_AIF1_DRC1_1, 2),
576 WM8994_DRC_SWITCH("AIF1ADC1L DRC Switch", WM8994_AIF1_DRC1_1, 1),
577 WM8994_DRC_SWITCH("AIF1ADC1R DRC Switch", WM8994_AIF1_DRC1_1, 0),
578 
579 WM8994_DRC_SWITCH("AIF1DAC2 DRC Switch", WM8994_AIF1_DRC2_1, 2),
580 WM8994_DRC_SWITCH("AIF1ADC2L DRC Switch", WM8994_AIF1_DRC2_1, 1),
581 WM8994_DRC_SWITCH("AIF1ADC2R DRC Switch", WM8994_AIF1_DRC2_1, 0),
582 
583 WM8994_DRC_SWITCH("AIF2DAC DRC Switch", WM8994_AIF2_DRC_1, 2),
584 WM8994_DRC_SWITCH("AIF2ADCL DRC Switch", WM8994_AIF2_DRC_1, 1),
585 WM8994_DRC_SWITCH("AIF2ADCR DRC Switch", WM8994_AIF2_DRC_1, 0),
586 
587 SOC_SINGLE_TLV("DAC1 Right Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
588 	       5, 12, 0, st_tlv),
589 SOC_SINGLE_TLV("DAC1 Left Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
590 	       0, 12, 0, st_tlv),
591 SOC_SINGLE_TLV("DAC2 Right Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
592 	       5, 12, 0, st_tlv),
593 SOC_SINGLE_TLV("DAC2 Left Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
594 	       0, 12, 0, st_tlv),
595 SOC_ENUM("Sidetone HPF Mux", sidetone_hpf),
596 SOC_SINGLE("Sidetone HPF Switch", WM8994_SIDETONE, 6, 1, 0),
597 
598 SOC_ENUM("AIF1ADC1 HPF Mode", aif1adc1_hpf),
599 SOC_DOUBLE("AIF1ADC1 HPF Switch", WM8994_AIF1_ADC1_FILTERS, 12, 11, 1, 0),
600 
601 SOC_ENUM("AIF1ADC2 HPF Mode", aif1adc2_hpf),
602 SOC_DOUBLE("AIF1ADC2 HPF Switch", WM8994_AIF1_ADC2_FILTERS, 12, 11, 1, 0),
603 
604 SOC_ENUM("AIF2ADC HPF Mode", aif2adc_hpf),
605 SOC_DOUBLE("AIF2ADC HPF Switch", WM8994_AIF2_ADC_FILTERS, 12, 11, 1, 0),
606 
607 SOC_ENUM("ADC OSR", adc_osr),
608 SOC_ENUM("DAC OSR", dac_osr),
609 
610 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8994_DAC1_LEFT_VOLUME,
611 		 WM8994_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
612 SOC_DOUBLE_R("DAC1 Switch", WM8994_DAC1_LEFT_VOLUME,
613 	     WM8994_DAC1_RIGHT_VOLUME, 9, 1, 1),
614 
615 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8994_DAC2_LEFT_VOLUME,
616 		 WM8994_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
617 SOC_DOUBLE_R("DAC2 Switch", WM8994_DAC2_LEFT_VOLUME,
618 	     WM8994_DAC2_RIGHT_VOLUME, 9, 1, 1),
619 
620 SOC_SINGLE_TLV("SPKL DAC2 Volume", WM8994_SPKMIXL_ATTENUATION,
621 	       6, 1, 1, wm_hubs_spkmix_tlv),
622 SOC_SINGLE_TLV("SPKL DAC1 Volume", WM8994_SPKMIXL_ATTENUATION,
623 	       2, 1, 1, wm_hubs_spkmix_tlv),
624 
625 SOC_SINGLE_TLV("SPKR DAC2 Volume", WM8994_SPKMIXR_ATTENUATION,
626 	       6, 1, 1, wm_hubs_spkmix_tlv),
627 SOC_SINGLE_TLV("SPKR DAC1 Volume", WM8994_SPKMIXR_ATTENUATION,
628 	       2, 1, 1, wm_hubs_spkmix_tlv),
629 
630 SOC_SINGLE_TLV("AIF1DAC1 3D Stereo Volume", WM8994_AIF1_DAC1_FILTERS_2,
631 	       10, 15, 0, wm8994_3d_tlv),
632 SOC_SINGLE("AIF1DAC1 3D Stereo Switch", WM8994_AIF1_DAC1_FILTERS_2,
633 	   8, 1, 0),
634 SOC_SINGLE_TLV("AIF1DAC2 3D Stereo Volume", WM8994_AIF1_DAC2_FILTERS_2,
635 	       10, 15, 0, wm8994_3d_tlv),
636 SOC_SINGLE("AIF1DAC2 3D Stereo Switch", WM8994_AIF1_DAC2_FILTERS_2,
637 	   8, 1, 0),
638 SOC_SINGLE_TLV("AIF2DAC 3D Stereo Volume", WM8994_AIF2_DAC_FILTERS_2,
639 	       10, 15, 0, wm8994_3d_tlv),
640 SOC_SINGLE("AIF2DAC 3D Stereo Switch", WM8994_AIF2_DAC_FILTERS_2,
641 	   8, 1, 0),
642 };
643 
644 static const struct snd_kcontrol_new wm8994_eq_controls[] = {
645 SOC_SINGLE_TLV("AIF1DAC1 EQ1 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 11, 31, 0,
646 	       eq_tlv),
647 SOC_SINGLE_TLV("AIF1DAC1 EQ2 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 6, 31, 0,
648 	       eq_tlv),
649 SOC_SINGLE_TLV("AIF1DAC1 EQ3 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 1, 31, 0,
650 	       eq_tlv),
651 SOC_SINGLE_TLV("AIF1DAC1 EQ4 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 11, 31, 0,
652 	       eq_tlv),
653 SOC_SINGLE_TLV("AIF1DAC1 EQ5 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 6, 31, 0,
654 	       eq_tlv),
655 
656 SOC_SINGLE_TLV("AIF1DAC2 EQ1 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 11, 31, 0,
657 	       eq_tlv),
658 SOC_SINGLE_TLV("AIF1DAC2 EQ2 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 6, 31, 0,
659 	       eq_tlv),
660 SOC_SINGLE_TLV("AIF1DAC2 EQ3 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 1, 31, 0,
661 	       eq_tlv),
662 SOC_SINGLE_TLV("AIF1DAC2 EQ4 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 11, 31, 0,
663 	       eq_tlv),
664 SOC_SINGLE_TLV("AIF1DAC2 EQ5 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 6, 31, 0,
665 	       eq_tlv),
666 
667 SOC_SINGLE_TLV("AIF2 EQ1 Volume", WM8994_AIF2_EQ_GAINS_1, 11, 31, 0,
668 	       eq_tlv),
669 SOC_SINGLE_TLV("AIF2 EQ2 Volume", WM8994_AIF2_EQ_GAINS_1, 6, 31, 0,
670 	       eq_tlv),
671 SOC_SINGLE_TLV("AIF2 EQ3 Volume", WM8994_AIF2_EQ_GAINS_1, 1, 31, 0,
672 	       eq_tlv),
673 SOC_SINGLE_TLV("AIF2 EQ4 Volume", WM8994_AIF2_EQ_GAINS_2, 11, 31, 0,
674 	       eq_tlv),
675 SOC_SINGLE_TLV("AIF2 EQ5 Volume", WM8994_AIF2_EQ_GAINS_2, 6, 31, 0,
676 	       eq_tlv),
677 };
678 
679 static const struct snd_kcontrol_new wm8994_drc_controls[] = {
680 SND_SOC_BYTES_MASK("AIF1.1 DRC", WM8994_AIF1_DRC1_1, 5,
681 		   WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
682 		   WM8994_AIF1ADC1R_DRC_ENA),
683 SND_SOC_BYTES_MASK("AIF1.2 DRC", WM8994_AIF1_DRC2_1, 5,
684 		   WM8994_AIF1DAC2_DRC_ENA | WM8994_AIF1ADC2L_DRC_ENA |
685 		   WM8994_AIF1ADC2R_DRC_ENA),
686 SND_SOC_BYTES_MASK("AIF2 DRC", WM8994_AIF2_DRC_1, 5,
687 		   WM8994_AIF2DAC_DRC_ENA | WM8994_AIF2ADCL_DRC_ENA |
688 		   WM8994_AIF2ADCR_DRC_ENA),
689 };
690 
691 static const char *wm8958_ng_text[] = {
692 	"30ms", "125ms", "250ms", "500ms",
693 };
694 
695 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac1_ng_hold,
696 			    WM8958_AIF1_DAC1_NOISE_GATE,
697 			    WM8958_AIF1DAC1_NG_THR_SHIFT,
698 			    wm8958_ng_text);
699 
700 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac2_ng_hold,
701 			    WM8958_AIF1_DAC2_NOISE_GATE,
702 			    WM8958_AIF1DAC2_NG_THR_SHIFT,
703 			    wm8958_ng_text);
704 
705 static SOC_ENUM_SINGLE_DECL(wm8958_aif2dac_ng_hold,
706 			    WM8958_AIF2_DAC_NOISE_GATE,
707 			    WM8958_AIF2DAC_NG_THR_SHIFT,
708 			    wm8958_ng_text);
709 
710 static const struct snd_kcontrol_new wm8958_snd_controls[] = {
711 SOC_SINGLE_TLV("AIF3 Boost Volume", WM8958_AIF3_CONTROL_2, 10, 3, 0, aif_tlv),
712 
713 SOC_SINGLE("AIF1DAC1 Noise Gate Switch", WM8958_AIF1_DAC1_NOISE_GATE,
714 	   WM8958_AIF1DAC1_NG_ENA_SHIFT, 1, 0),
715 SOC_ENUM("AIF1DAC1 Noise Gate Hold Time", wm8958_aif1dac1_ng_hold),
716 SOC_SINGLE_TLV("AIF1DAC1 Noise Gate Threshold Volume",
717 	       WM8958_AIF1_DAC1_NOISE_GATE, WM8958_AIF1DAC1_NG_THR_SHIFT,
718 	       7, 1, ng_tlv),
719 
720 SOC_SINGLE("AIF1DAC2 Noise Gate Switch", WM8958_AIF1_DAC2_NOISE_GATE,
721 	   WM8958_AIF1DAC2_NG_ENA_SHIFT, 1, 0),
722 SOC_ENUM("AIF1DAC2 Noise Gate Hold Time", wm8958_aif1dac2_ng_hold),
723 SOC_SINGLE_TLV("AIF1DAC2 Noise Gate Threshold Volume",
724 	       WM8958_AIF1_DAC2_NOISE_GATE, WM8958_AIF1DAC2_NG_THR_SHIFT,
725 	       7, 1, ng_tlv),
726 
727 SOC_SINGLE("AIF2DAC Noise Gate Switch", WM8958_AIF2_DAC_NOISE_GATE,
728 	   WM8958_AIF2DAC_NG_ENA_SHIFT, 1, 0),
729 SOC_ENUM("AIF2DAC Noise Gate Hold Time", wm8958_aif2dac_ng_hold),
730 SOC_SINGLE_TLV("AIF2DAC Noise Gate Threshold Volume",
731 	       WM8958_AIF2_DAC_NOISE_GATE, WM8958_AIF2DAC_NG_THR_SHIFT,
732 	       7, 1, ng_tlv),
733 };
734 
735 static const struct snd_kcontrol_new wm1811_snd_controls[] = {
736 SOC_SINGLE_TLV("MIXINL IN1LP Boost Volume", WM8994_INPUT_MIXER_1, 7, 1, 0,
737 	       mixin_boost_tlv),
738 SOC_SINGLE_TLV("MIXINL IN1RP Boost Volume", WM8994_INPUT_MIXER_1, 8, 1, 0,
739 	       mixin_boost_tlv),
740 };
741 
742 /* We run all mode setting through a function to enforce audio mode */
743 static void wm1811_jackdet_set_mode(struct snd_soc_codec *codec, u16 mode)
744 {
745 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
746 
747 	if (!wm8994->jackdet || !wm8994->micdet[0].jack)
748 		return;
749 
750 	if (wm8994->active_refcount)
751 		mode = WM1811_JACKDET_MODE_AUDIO;
752 
753 	if (mode == wm8994->jackdet_mode)
754 		return;
755 
756 	wm8994->jackdet_mode = mode;
757 
758 	/* Always use audio mode to detect while the system is active */
759 	if (mode != WM1811_JACKDET_MODE_NONE)
760 		mode = WM1811_JACKDET_MODE_AUDIO;
761 
762 	snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
763 			    WM1811_JACKDET_MODE_MASK, mode);
764 }
765 
766 static void active_reference(struct snd_soc_codec *codec)
767 {
768 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
769 
770 	mutex_lock(&wm8994->accdet_lock);
771 
772 	wm8994->active_refcount++;
773 
774 	dev_dbg(codec->dev, "Active refcount incremented, now %d\n",
775 		wm8994->active_refcount);
776 
777 	/* If we're using jack detection go into audio mode */
778 	wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_AUDIO);
779 
780 	mutex_unlock(&wm8994->accdet_lock);
781 }
782 
783 static void active_dereference(struct snd_soc_codec *codec)
784 {
785 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
786 	u16 mode;
787 
788 	mutex_lock(&wm8994->accdet_lock);
789 
790 	wm8994->active_refcount--;
791 
792 	dev_dbg(codec->dev, "Active refcount decremented, now %d\n",
793 		wm8994->active_refcount);
794 
795 	if (wm8994->active_refcount == 0) {
796 		/* Go into appropriate detection only mode */
797 		if (wm8994->jack_mic || wm8994->mic_detecting)
798 			mode = WM1811_JACKDET_MODE_MIC;
799 		else
800 			mode = WM1811_JACKDET_MODE_JACK;
801 
802 		wm1811_jackdet_set_mode(codec, mode);
803 	}
804 
805 	mutex_unlock(&wm8994->accdet_lock);
806 }
807 
808 static int clk_sys_event(struct snd_soc_dapm_widget *w,
809 			 struct snd_kcontrol *kcontrol, int event)
810 {
811 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
812 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
813 
814 	switch (event) {
815 	case SND_SOC_DAPM_PRE_PMU:
816 		return configure_clock(codec);
817 
818 	case SND_SOC_DAPM_POST_PMU:
819 		/*
820 		 * JACKDET won't run until we start the clock and it
821 		 * only reports deltas, make sure we notify the state
822 		 * up the stack on startup.  Use a *very* generous
823 		 * timeout for paranoia, there's no urgency and we
824 		 * don't want false reports.
825 		 */
826 		if (wm8994->jackdet && !wm8994->clk_has_run) {
827 			queue_delayed_work(system_power_efficient_wq,
828 					   &wm8994->jackdet_bootstrap,
829 					   msecs_to_jiffies(1000));
830 			wm8994->clk_has_run = true;
831 		}
832 		break;
833 
834 	case SND_SOC_DAPM_POST_PMD:
835 		configure_clock(codec);
836 		break;
837 	}
838 
839 	return 0;
840 }
841 
842 static void vmid_reference(struct snd_soc_codec *codec)
843 {
844 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
845 
846 	pm_runtime_get_sync(codec->dev);
847 
848 	wm8994->vmid_refcount++;
849 
850 	dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n",
851 		wm8994->vmid_refcount);
852 
853 	if (wm8994->vmid_refcount == 1) {
854 		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
855 				    WM8994_LINEOUT1_DISCH |
856 				    WM8994_LINEOUT2_DISCH, 0);
857 
858 		wm_hubs_vmid_ena(codec);
859 
860 		switch (wm8994->vmid_mode) {
861 		default:
862 			WARN_ON(NULL == "Invalid VMID mode");
863 		case WM8994_VMID_NORMAL:
864 			/* Startup bias, VMID ramp & buffer */
865 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
866 					    WM8994_BIAS_SRC |
867 					    WM8994_VMID_DISCH |
868 					    WM8994_STARTUP_BIAS_ENA |
869 					    WM8994_VMID_BUF_ENA |
870 					    WM8994_VMID_RAMP_MASK,
871 					    WM8994_BIAS_SRC |
872 					    WM8994_STARTUP_BIAS_ENA |
873 					    WM8994_VMID_BUF_ENA |
874 					    (0x2 << WM8994_VMID_RAMP_SHIFT));
875 
876 			/* Main bias enable, VMID=2x40k */
877 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
878 					    WM8994_BIAS_ENA |
879 					    WM8994_VMID_SEL_MASK,
880 					    WM8994_BIAS_ENA | 0x2);
881 
882 			msleep(300);
883 
884 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
885 					    WM8994_VMID_RAMP_MASK |
886 					    WM8994_BIAS_SRC,
887 					    0);
888 			break;
889 
890 		case WM8994_VMID_FORCE:
891 			/* Startup bias, slow VMID ramp & buffer */
892 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
893 					    WM8994_BIAS_SRC |
894 					    WM8994_VMID_DISCH |
895 					    WM8994_STARTUP_BIAS_ENA |
896 					    WM8994_VMID_BUF_ENA |
897 					    WM8994_VMID_RAMP_MASK,
898 					    WM8994_BIAS_SRC |
899 					    WM8994_STARTUP_BIAS_ENA |
900 					    WM8994_VMID_BUF_ENA |
901 					    (0x2 << WM8994_VMID_RAMP_SHIFT));
902 
903 			/* Main bias enable, VMID=2x40k */
904 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
905 					    WM8994_BIAS_ENA |
906 					    WM8994_VMID_SEL_MASK,
907 					    WM8994_BIAS_ENA | 0x2);
908 
909 			msleep(400);
910 
911 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
912 					    WM8994_VMID_RAMP_MASK |
913 					    WM8994_BIAS_SRC,
914 					    0);
915 			break;
916 		}
917 	}
918 }
919 
920 static void vmid_dereference(struct snd_soc_codec *codec)
921 {
922 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
923 
924 	wm8994->vmid_refcount--;
925 
926 	dev_dbg(codec->dev, "Dereferencing VMID, refcount is now %d\n",
927 		wm8994->vmid_refcount);
928 
929 	if (wm8994->vmid_refcount == 0) {
930 		if (wm8994->hubs.lineout1_se)
931 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
932 					    WM8994_LINEOUT1N_ENA |
933 					    WM8994_LINEOUT1P_ENA,
934 					    WM8994_LINEOUT1N_ENA |
935 					    WM8994_LINEOUT1P_ENA);
936 
937 		if (wm8994->hubs.lineout2_se)
938 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
939 					    WM8994_LINEOUT2N_ENA |
940 					    WM8994_LINEOUT2P_ENA,
941 					    WM8994_LINEOUT2N_ENA |
942 					    WM8994_LINEOUT2P_ENA);
943 
944 		/* Start discharging VMID */
945 		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
946 				    WM8994_BIAS_SRC |
947 				    WM8994_VMID_DISCH,
948 				    WM8994_BIAS_SRC |
949 				    WM8994_VMID_DISCH);
950 
951 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
952 				    WM8994_VMID_SEL_MASK, 0);
953 
954 		msleep(400);
955 
956 		/* Active discharge */
957 		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
958 				    WM8994_LINEOUT1_DISCH |
959 				    WM8994_LINEOUT2_DISCH,
960 				    WM8994_LINEOUT1_DISCH |
961 				    WM8994_LINEOUT2_DISCH);
962 
963 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
964 				    WM8994_LINEOUT1N_ENA |
965 				    WM8994_LINEOUT1P_ENA |
966 				    WM8994_LINEOUT2N_ENA |
967 				    WM8994_LINEOUT2P_ENA, 0);
968 
969 		/* Switch off startup biases */
970 		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
971 				    WM8994_BIAS_SRC |
972 				    WM8994_STARTUP_BIAS_ENA |
973 				    WM8994_VMID_BUF_ENA |
974 				    WM8994_VMID_RAMP_MASK, 0);
975 
976 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
977 				    WM8994_VMID_SEL_MASK, 0);
978 	}
979 
980 	pm_runtime_put(codec->dev);
981 }
982 
983 static int vmid_event(struct snd_soc_dapm_widget *w,
984 		      struct snd_kcontrol *kcontrol, int event)
985 {
986 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
987 
988 	switch (event) {
989 	case SND_SOC_DAPM_PRE_PMU:
990 		vmid_reference(codec);
991 		break;
992 
993 	case SND_SOC_DAPM_POST_PMD:
994 		vmid_dereference(codec);
995 		break;
996 	}
997 
998 	return 0;
999 }
1000 
1001 static bool wm8994_check_class_w_digital(struct snd_soc_codec *codec)
1002 {
1003 	int source = 0;  /* GCC flow analysis can't track enable */
1004 	int reg, reg_r;
1005 
1006 	/* We also need the same AIF source for L/R and only one path */
1007 	reg = snd_soc_read(codec, WM8994_DAC1_LEFT_MIXER_ROUTING);
1008 	switch (reg) {
1009 	case WM8994_AIF2DACL_TO_DAC1L:
1010 		dev_vdbg(codec->dev, "Class W source AIF2DAC\n");
1011 		source = 2 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1012 		break;
1013 	case WM8994_AIF1DAC2L_TO_DAC1L:
1014 		dev_vdbg(codec->dev, "Class W source AIF1DAC2\n");
1015 		source = 1 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1016 		break;
1017 	case WM8994_AIF1DAC1L_TO_DAC1L:
1018 		dev_vdbg(codec->dev, "Class W source AIF1DAC1\n");
1019 		source = 0 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1020 		break;
1021 	default:
1022 		dev_vdbg(codec->dev, "DAC mixer setting: %x\n", reg);
1023 		return false;
1024 	}
1025 
1026 	reg_r = snd_soc_read(codec, WM8994_DAC1_RIGHT_MIXER_ROUTING);
1027 	if (reg_r != reg) {
1028 		dev_vdbg(codec->dev, "Left and right DAC mixers different\n");
1029 		return false;
1030 	}
1031 
1032 	/* Set the source up */
1033 	snd_soc_update_bits(codec, WM8994_CLASS_W_1,
1034 			    WM8994_CP_DYN_SRC_SEL_MASK, source);
1035 
1036 	return true;
1037 }
1038 
1039 static int aif1clk_ev(struct snd_soc_dapm_widget *w,
1040 		      struct snd_kcontrol *kcontrol, int event)
1041 {
1042 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1043 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1044 	struct wm8994 *control = wm8994->wm8994;
1045 	int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
1046 	int i;
1047 	int dac;
1048 	int adc;
1049 	int val;
1050 
1051 	switch (control->type) {
1052 	case WM8994:
1053 	case WM8958:
1054 		mask |= WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA;
1055 		break;
1056 	default:
1057 		break;
1058 	}
1059 
1060 	switch (event) {
1061 	case SND_SOC_DAPM_PRE_PMU:
1062 		/* Don't enable timeslot 2 if not in use */
1063 		if (wm8994->channels[0] <= 2)
1064 			mask &= ~(WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
1065 
1066 		val = snd_soc_read(codec, WM8994_AIF1_CONTROL_1);
1067 		if ((val & WM8994_AIF1ADCL_SRC) &&
1068 		    (val & WM8994_AIF1ADCR_SRC))
1069 			adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA;
1070 		else if (!(val & WM8994_AIF1ADCL_SRC) &&
1071 			 !(val & WM8994_AIF1ADCR_SRC))
1072 			adc = WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1073 		else
1074 			adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA |
1075 				WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1076 
1077 		val = snd_soc_read(codec, WM8994_AIF1_CONTROL_2);
1078 		if ((val & WM8994_AIF1DACL_SRC) &&
1079 		    (val & WM8994_AIF1DACR_SRC))
1080 			dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA;
1081 		else if (!(val & WM8994_AIF1DACL_SRC) &&
1082 			 !(val & WM8994_AIF1DACR_SRC))
1083 			dac = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1084 		else
1085 			dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA |
1086 				WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1087 
1088 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1089 				    mask, adc);
1090 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1091 				    mask, dac);
1092 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1093 				    WM8994_AIF1DSPCLK_ENA |
1094 				    WM8994_SYSDSPCLK_ENA,
1095 				    WM8994_AIF1DSPCLK_ENA |
1096 				    WM8994_SYSDSPCLK_ENA);
1097 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4, mask,
1098 				    WM8994_AIF1ADC1R_ENA |
1099 				    WM8994_AIF1ADC1L_ENA |
1100 				    WM8994_AIF1ADC2R_ENA |
1101 				    WM8994_AIF1ADC2L_ENA);
1102 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5, mask,
1103 				    WM8994_AIF1DAC1R_ENA |
1104 				    WM8994_AIF1DAC1L_ENA |
1105 				    WM8994_AIF1DAC2R_ENA |
1106 				    WM8994_AIF1DAC2L_ENA);
1107 		break;
1108 
1109 	case SND_SOC_DAPM_POST_PMU:
1110 		for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1111 			snd_soc_write(codec, wm8994_vu_bits[i].reg,
1112 				      snd_soc_read(codec,
1113 						   wm8994_vu_bits[i].reg));
1114 		break;
1115 
1116 	case SND_SOC_DAPM_PRE_PMD:
1117 	case SND_SOC_DAPM_POST_PMD:
1118 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1119 				    mask, 0);
1120 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1121 				    mask, 0);
1122 
1123 		val = snd_soc_read(codec, WM8994_CLOCKING_1);
1124 		if (val & WM8994_AIF2DSPCLK_ENA)
1125 			val = WM8994_SYSDSPCLK_ENA;
1126 		else
1127 			val = 0;
1128 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1129 				    WM8994_SYSDSPCLK_ENA |
1130 				    WM8994_AIF1DSPCLK_ENA, val);
1131 		break;
1132 	}
1133 
1134 	return 0;
1135 }
1136 
1137 static int aif2clk_ev(struct snd_soc_dapm_widget *w,
1138 		      struct snd_kcontrol *kcontrol, int event)
1139 {
1140 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1141 	int i;
1142 	int dac;
1143 	int adc;
1144 	int val;
1145 
1146 	switch (event) {
1147 	case SND_SOC_DAPM_PRE_PMU:
1148 		val = snd_soc_read(codec, WM8994_AIF2_CONTROL_1);
1149 		if ((val & WM8994_AIF2ADCL_SRC) &&
1150 		    (val & WM8994_AIF2ADCR_SRC))
1151 			adc = WM8994_AIF2ADCR_ENA;
1152 		else if (!(val & WM8994_AIF2ADCL_SRC) &&
1153 			 !(val & WM8994_AIF2ADCR_SRC))
1154 			adc = WM8994_AIF2ADCL_ENA;
1155 		else
1156 			adc = WM8994_AIF2ADCL_ENA | WM8994_AIF2ADCR_ENA;
1157 
1158 
1159 		val = snd_soc_read(codec, WM8994_AIF2_CONTROL_2);
1160 		if ((val & WM8994_AIF2DACL_SRC) &&
1161 		    (val & WM8994_AIF2DACR_SRC))
1162 			dac = WM8994_AIF2DACR_ENA;
1163 		else if (!(val & WM8994_AIF2DACL_SRC) &&
1164 			 !(val & WM8994_AIF2DACR_SRC))
1165 			dac = WM8994_AIF2DACL_ENA;
1166 		else
1167 			dac = WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA;
1168 
1169 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1170 				    WM8994_AIF2ADCL_ENA |
1171 				    WM8994_AIF2ADCR_ENA, adc);
1172 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1173 				    WM8994_AIF2DACL_ENA |
1174 				    WM8994_AIF2DACR_ENA, dac);
1175 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1176 				    WM8994_AIF2DSPCLK_ENA |
1177 				    WM8994_SYSDSPCLK_ENA,
1178 				    WM8994_AIF2DSPCLK_ENA |
1179 				    WM8994_SYSDSPCLK_ENA);
1180 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1181 				    WM8994_AIF2ADCL_ENA |
1182 				    WM8994_AIF2ADCR_ENA,
1183 				    WM8994_AIF2ADCL_ENA |
1184 				    WM8994_AIF2ADCR_ENA);
1185 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1186 				    WM8994_AIF2DACL_ENA |
1187 				    WM8994_AIF2DACR_ENA,
1188 				    WM8994_AIF2DACL_ENA |
1189 				    WM8994_AIF2DACR_ENA);
1190 		break;
1191 
1192 	case SND_SOC_DAPM_POST_PMU:
1193 		for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1194 			snd_soc_write(codec, wm8994_vu_bits[i].reg,
1195 				      snd_soc_read(codec,
1196 						   wm8994_vu_bits[i].reg));
1197 		break;
1198 
1199 	case SND_SOC_DAPM_PRE_PMD:
1200 	case SND_SOC_DAPM_POST_PMD:
1201 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1202 				    WM8994_AIF2DACL_ENA |
1203 				    WM8994_AIF2DACR_ENA, 0);
1204 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
1205 				    WM8994_AIF2ADCL_ENA |
1206 				    WM8994_AIF2ADCR_ENA, 0);
1207 
1208 		val = snd_soc_read(codec, WM8994_CLOCKING_1);
1209 		if (val & WM8994_AIF1DSPCLK_ENA)
1210 			val = WM8994_SYSDSPCLK_ENA;
1211 		else
1212 			val = 0;
1213 		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
1214 				    WM8994_SYSDSPCLK_ENA |
1215 				    WM8994_AIF2DSPCLK_ENA, val);
1216 		break;
1217 	}
1218 
1219 	return 0;
1220 }
1221 
1222 static int aif1clk_late_ev(struct snd_soc_dapm_widget *w,
1223 			   struct snd_kcontrol *kcontrol, int event)
1224 {
1225 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1226 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1227 
1228 	switch (event) {
1229 	case SND_SOC_DAPM_PRE_PMU:
1230 		wm8994->aif1clk_enable = 1;
1231 		break;
1232 	case SND_SOC_DAPM_POST_PMD:
1233 		wm8994->aif1clk_disable = 1;
1234 		break;
1235 	}
1236 
1237 	return 0;
1238 }
1239 
1240 static int aif2clk_late_ev(struct snd_soc_dapm_widget *w,
1241 			   struct snd_kcontrol *kcontrol, int event)
1242 {
1243 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1244 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1245 
1246 	switch (event) {
1247 	case SND_SOC_DAPM_PRE_PMU:
1248 		wm8994->aif2clk_enable = 1;
1249 		break;
1250 	case SND_SOC_DAPM_POST_PMD:
1251 		wm8994->aif2clk_disable = 1;
1252 		break;
1253 	}
1254 
1255 	return 0;
1256 }
1257 
1258 static int late_enable_ev(struct snd_soc_dapm_widget *w,
1259 			  struct snd_kcontrol *kcontrol, int event)
1260 {
1261 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1262 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1263 
1264 	switch (event) {
1265 	case SND_SOC_DAPM_PRE_PMU:
1266 		if (wm8994->aif1clk_enable) {
1267 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1268 			snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1269 					    WM8994_AIF1CLK_ENA_MASK,
1270 					    WM8994_AIF1CLK_ENA);
1271 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1272 			wm8994->aif1clk_enable = 0;
1273 		}
1274 		if (wm8994->aif2clk_enable) {
1275 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1276 			snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1277 					    WM8994_AIF2CLK_ENA_MASK,
1278 					    WM8994_AIF2CLK_ENA);
1279 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1280 			wm8994->aif2clk_enable = 0;
1281 		}
1282 		break;
1283 	}
1284 
1285 	/* We may also have postponed startup of DSP, handle that. */
1286 	wm8958_aif_ev(w, kcontrol, event);
1287 
1288 	return 0;
1289 }
1290 
1291 static int late_disable_ev(struct snd_soc_dapm_widget *w,
1292 			   struct snd_kcontrol *kcontrol, int event)
1293 {
1294 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1295 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
1296 
1297 	switch (event) {
1298 	case SND_SOC_DAPM_POST_PMD:
1299 		if (wm8994->aif1clk_disable) {
1300 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1301 			snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
1302 					    WM8994_AIF1CLK_ENA_MASK, 0);
1303 			aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1304 			wm8994->aif1clk_disable = 0;
1305 		}
1306 		if (wm8994->aif2clk_disable) {
1307 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1308 			snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
1309 					    WM8994_AIF2CLK_ENA_MASK, 0);
1310 			aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1311 			wm8994->aif2clk_disable = 0;
1312 		}
1313 		break;
1314 	}
1315 
1316 	return 0;
1317 }
1318 
1319 static int adc_mux_ev(struct snd_soc_dapm_widget *w,
1320 		      struct snd_kcontrol *kcontrol, int event)
1321 {
1322 	late_enable_ev(w, kcontrol, event);
1323 	return 0;
1324 }
1325 
1326 static int micbias_ev(struct snd_soc_dapm_widget *w,
1327 		      struct snd_kcontrol *kcontrol, int event)
1328 {
1329 	late_enable_ev(w, kcontrol, event);
1330 	return 0;
1331 }
1332 
1333 static int dac_ev(struct snd_soc_dapm_widget *w,
1334 		  struct snd_kcontrol *kcontrol, int event)
1335 {
1336 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1337 	unsigned int mask = 1 << w->shift;
1338 
1339 	snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
1340 			    mask, mask);
1341 	return 0;
1342 }
1343 
1344 static const char *adc_mux_text[] = {
1345 	"ADC",
1346 	"DMIC",
1347 };
1348 
1349 static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
1350 
1351 static const struct snd_kcontrol_new adcl_mux =
1352 	SOC_DAPM_ENUM("ADCL Mux", adc_enum);
1353 
1354 static const struct snd_kcontrol_new adcr_mux =
1355 	SOC_DAPM_ENUM("ADCR Mux", adc_enum);
1356 
1357 static const struct snd_kcontrol_new left_speaker_mixer[] = {
1358 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 9, 1, 0),
1359 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 7, 1, 0),
1360 SOC_DAPM_SINGLE("IN1LP Switch", WM8994_SPEAKER_MIXER, 5, 1, 0),
1361 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 3, 1, 0),
1362 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 1, 1, 0),
1363 };
1364 
1365 static const struct snd_kcontrol_new right_speaker_mixer[] = {
1366 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 8, 1, 0),
1367 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 6, 1, 0),
1368 SOC_DAPM_SINGLE("IN1RP Switch", WM8994_SPEAKER_MIXER, 4, 1, 0),
1369 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 2, 1, 0),
1370 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 0, 1, 0),
1371 };
1372 
1373 /* Debugging; dump chip status after DAPM transitions */
1374 static int post_ev(struct snd_soc_dapm_widget *w,
1375 	    struct snd_kcontrol *kcontrol, int event)
1376 {
1377 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1378 	dev_dbg(codec->dev, "SRC status: %x\n",
1379 		snd_soc_read(codec,
1380 			     WM8994_RATE_STATUS));
1381 	return 0;
1382 }
1383 
1384 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
1385 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1386 		1, 1, 0),
1387 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1388 		0, 1, 0),
1389 };
1390 
1391 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
1392 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1393 		1, 1, 0),
1394 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1395 		0, 1, 0),
1396 };
1397 
1398 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
1399 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1400 		1, 1, 0),
1401 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1402 		0, 1, 0),
1403 };
1404 
1405 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
1406 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1407 		1, 1, 0),
1408 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1409 		0, 1, 0),
1410 };
1411 
1412 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
1413 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1414 		5, 1, 0),
1415 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1416 		4, 1, 0),
1417 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1418 		2, 1, 0),
1419 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1420 		1, 1, 0),
1421 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1422 		0, 1, 0),
1423 };
1424 
1425 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
1426 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1427 		5, 1, 0),
1428 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1429 		4, 1, 0),
1430 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1431 		2, 1, 0),
1432 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1433 		1, 1, 0),
1434 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1435 		0, 1, 0),
1436 };
1437 
1438 #define WM8994_CLASS_W_SWITCH(xname, reg, shift, max, invert) \
1439 	SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
1440 		snd_soc_dapm_get_volsw, wm8994_put_class_w)
1441 
1442 static int wm8994_put_class_w(struct snd_kcontrol *kcontrol,
1443 			      struct snd_ctl_elem_value *ucontrol)
1444 {
1445 	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
1446 	int ret;
1447 
1448 	ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
1449 
1450 	wm_hubs_update_class_w(codec);
1451 
1452 	return ret;
1453 }
1454 
1455 static const struct snd_kcontrol_new dac1l_mix[] = {
1456 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1457 		      5, 1, 0),
1458 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1459 		      4, 1, 0),
1460 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1461 		      2, 1, 0),
1462 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1463 		      1, 1, 0),
1464 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1465 		      0, 1, 0),
1466 };
1467 
1468 static const struct snd_kcontrol_new dac1r_mix[] = {
1469 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1470 		      5, 1, 0),
1471 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1472 		      4, 1, 0),
1473 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1474 		      2, 1, 0),
1475 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1476 		      1, 1, 0),
1477 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1478 		      0, 1, 0),
1479 };
1480 
1481 static const char *sidetone_text[] = {
1482 	"ADC/DMIC1", "DMIC2",
1483 };
1484 
1485 static SOC_ENUM_SINGLE_DECL(sidetone1_enum,
1486 			    WM8994_SIDETONE, 0, sidetone_text);
1487 
1488 static const struct snd_kcontrol_new sidetone1_mux =
1489 	SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
1490 
1491 static SOC_ENUM_SINGLE_DECL(sidetone2_enum,
1492 			    WM8994_SIDETONE, 1, sidetone_text);
1493 
1494 static const struct snd_kcontrol_new sidetone2_mux =
1495 	SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
1496 
1497 static const char *aif1dac_text[] = {
1498 	"AIF1DACDAT", "AIF3DACDAT",
1499 };
1500 
1501 static const char *loopback_text[] = {
1502 	"None", "ADCDAT",
1503 };
1504 
1505 static SOC_ENUM_SINGLE_DECL(aif1_loopback_enum,
1506 			    WM8994_AIF1_CONTROL_2,
1507 			    WM8994_AIF1_LOOPBACK_SHIFT,
1508 			    loopback_text);
1509 
1510 static const struct snd_kcontrol_new aif1_loopback =
1511 	SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum);
1512 
1513 static SOC_ENUM_SINGLE_DECL(aif2_loopback_enum,
1514 			    WM8994_AIF2_CONTROL_2,
1515 			    WM8994_AIF2_LOOPBACK_SHIFT,
1516 			    loopback_text);
1517 
1518 static const struct snd_kcontrol_new aif2_loopback =
1519 	SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum);
1520 
1521 static SOC_ENUM_SINGLE_DECL(aif1dac_enum,
1522 			    WM8994_POWER_MANAGEMENT_6, 0, aif1dac_text);
1523 
1524 static const struct snd_kcontrol_new aif1dac_mux =
1525 	SOC_DAPM_ENUM("AIF1DAC Mux", aif1dac_enum);
1526 
1527 static const char *aif2dac_text[] = {
1528 	"AIF2DACDAT", "AIF3DACDAT",
1529 };
1530 
1531 static SOC_ENUM_SINGLE_DECL(aif2dac_enum,
1532 			    WM8994_POWER_MANAGEMENT_6, 1, aif2dac_text);
1533 
1534 static const struct snd_kcontrol_new aif2dac_mux =
1535 	SOC_DAPM_ENUM("AIF2DAC Mux", aif2dac_enum);
1536 
1537 static const char *aif2adc_text[] = {
1538 	"AIF2ADCDAT", "AIF3DACDAT",
1539 };
1540 
1541 static SOC_ENUM_SINGLE_DECL(aif2adc_enum,
1542 			    WM8994_POWER_MANAGEMENT_6, 2, aif2adc_text);
1543 
1544 static const struct snd_kcontrol_new aif2adc_mux =
1545 	SOC_DAPM_ENUM("AIF2ADC Mux", aif2adc_enum);
1546 
1547 static const char *aif3adc_text[] = {
1548 	"AIF1ADCDAT", "AIF2ADCDAT", "AIF2DACDAT", "Mono PCM",
1549 };
1550 
1551 static SOC_ENUM_SINGLE_DECL(wm8994_aif3adc_enum,
1552 			    WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1553 
1554 static const struct snd_kcontrol_new wm8994_aif3adc_mux =
1555 	SOC_DAPM_ENUM("AIF3ADC Mux", wm8994_aif3adc_enum);
1556 
1557 static SOC_ENUM_SINGLE_DECL(wm8958_aif3adc_enum,
1558 			    WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1559 
1560 static const struct snd_kcontrol_new wm8958_aif3adc_mux =
1561 	SOC_DAPM_ENUM("AIF3ADC Mux", wm8958_aif3adc_enum);
1562 
1563 static const char *mono_pcm_out_text[] = {
1564 	"None", "AIF2ADCL", "AIF2ADCR",
1565 };
1566 
1567 static SOC_ENUM_SINGLE_DECL(mono_pcm_out_enum,
1568 			    WM8994_POWER_MANAGEMENT_6, 9, mono_pcm_out_text);
1569 
1570 static const struct snd_kcontrol_new mono_pcm_out_mux =
1571 	SOC_DAPM_ENUM("Mono PCM Out Mux", mono_pcm_out_enum);
1572 
1573 static const char *aif2dac_src_text[] = {
1574 	"AIF2", "AIF3",
1575 };
1576 
1577 /* Note that these two control shouldn't be simultaneously switched to AIF3 */
1578 static SOC_ENUM_SINGLE_DECL(aif2dacl_src_enum,
1579 			    WM8994_POWER_MANAGEMENT_6, 7, aif2dac_src_text);
1580 
1581 static const struct snd_kcontrol_new aif2dacl_src_mux =
1582 	SOC_DAPM_ENUM("AIF2DACL Mux", aif2dacl_src_enum);
1583 
1584 static SOC_ENUM_SINGLE_DECL(aif2dacr_src_enum,
1585 			    WM8994_POWER_MANAGEMENT_6, 8, aif2dac_src_text);
1586 
1587 static const struct snd_kcontrol_new aif2dacr_src_mux =
1588 	SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
1589 
1590 static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
1591 SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_late_ev,
1592 	SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1593 SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_late_ev,
1594 	SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1595 
1596 SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1597 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1598 SND_SOC_DAPM_PGA_E("Late DAC1R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1599 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1600 SND_SOC_DAPM_PGA_E("Late DAC2L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1601 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1602 SND_SOC_DAPM_PGA_E("Late DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1603 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1604 SND_SOC_DAPM_PGA_E("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0,
1605 	late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1606 
1607 SND_SOC_DAPM_MIXER_E("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1608 		     left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer),
1609 		     late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1610 SND_SOC_DAPM_MIXER_E("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1611 		     right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer),
1612 		     late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1613 SND_SOC_DAPM_MUX_E("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux,
1614 		   late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1615 SND_SOC_DAPM_MUX_E("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux,
1616 		   late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1617 
1618 SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
1619 };
1620 
1621 static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
1622 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, aif1clk_ev,
1623 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1624 		    SND_SOC_DAPM_PRE_PMD),
1625 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, aif2clk_ev,
1626 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1627 		    SND_SOC_DAPM_PRE_PMD),
1628 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
1629 SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1630 		   left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
1631 SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1632 		   right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
1633 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux),
1634 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux),
1635 };
1636 
1637 static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
1638 SND_SOC_DAPM_DAC_E("DAC2L", NULL, SND_SOC_NOPM, 3, 0,
1639 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1640 SND_SOC_DAPM_DAC_E("DAC2R", NULL, SND_SOC_NOPM, 2, 0,
1641 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1642 SND_SOC_DAPM_DAC_E("DAC1L", NULL, SND_SOC_NOPM, 1, 0,
1643 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1644 SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0,
1645 	dac_ev, SND_SOC_DAPM_PRE_PMU),
1646 };
1647 
1648 static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = {
1649 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
1650 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
1651 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
1652 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
1653 };
1654 
1655 static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = {
1656 SND_SOC_DAPM_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
1657 			adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1658 SND_SOC_DAPM_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
1659 			adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1660 };
1661 
1662 static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = {
1663 SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
1664 SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
1665 };
1666 
1667 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
1668 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1669 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1670 SND_SOC_DAPM_INPUT("Clock"),
1671 
1672 SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
1673 		      SND_SOC_DAPM_PRE_PMU),
1674 SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, vmid_event,
1675 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1676 
1677 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
1678 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1679 		    SND_SOC_DAPM_PRE_PMD),
1680 
1681 SND_SOC_DAPM_SUPPLY("DSP1CLK", SND_SOC_NOPM, 3, 0, NULL, 0),
1682 SND_SOC_DAPM_SUPPLY("DSP2CLK", SND_SOC_NOPM, 2, 0, NULL, 0),
1683 SND_SOC_DAPM_SUPPLY("DSPINTCLK", SND_SOC_NOPM, 1, 0, NULL, 0),
1684 
1685 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
1686 		     0, SND_SOC_NOPM, 9, 0),
1687 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
1688 		     0, SND_SOC_NOPM, 8, 0),
1689 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
1690 		      SND_SOC_NOPM, 9, 0, wm8958_aif_ev,
1691 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1692 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1R", NULL, 0,
1693 		      SND_SOC_NOPM, 8, 0, wm8958_aif_ev,
1694 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1695 
1696 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
1697 		     0, SND_SOC_NOPM, 11, 0),
1698 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
1699 		     0, SND_SOC_NOPM, 10, 0),
1700 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
1701 		      SND_SOC_NOPM, 11, 0, wm8958_aif_ev,
1702 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1703 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2R", NULL, 0,
1704 		      SND_SOC_NOPM, 10, 0, wm8958_aif_ev,
1705 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1706 
1707 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
1708 		   aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
1709 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
1710 		   aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
1711 
1712 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
1713 		   aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
1714 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
1715 		   aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
1716 
1717 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1718 		   aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
1719 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1720 		   aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
1721 
1722 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1723 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1724 
1725 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1726 		   dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1727 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1728 		   dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1729 
1730 SND_SOC_DAPM_AIF_OUT("AIF2ADCL", NULL, 0,
1731 		     SND_SOC_NOPM, 13, 0),
1732 SND_SOC_DAPM_AIF_OUT("AIF2ADCR", NULL, 0,
1733 		     SND_SOC_NOPM, 12, 0),
1734 SND_SOC_DAPM_AIF_IN_E("AIF2DACL", NULL, 0,
1735 		      SND_SOC_NOPM, 13, 0, wm8958_aif_ev,
1736 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1737 SND_SOC_DAPM_AIF_IN_E("AIF2DACR", NULL, 0,
1738 		      SND_SOC_NOPM, 12, 0, wm8958_aif_ev,
1739 		      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1740 
1741 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1742 SND_SOC_DAPM_AIF_IN("AIF2DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1743 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1744 SND_SOC_DAPM_AIF_OUT("AIF2ADCDAT",  NULL, 0, SND_SOC_NOPM, 0, 0),
1745 
1746 SND_SOC_DAPM_MUX("AIF1DAC Mux", SND_SOC_NOPM, 0, 0, &aif1dac_mux),
1747 SND_SOC_DAPM_MUX("AIF2DAC Mux", SND_SOC_NOPM, 0, 0, &aif2dac_mux),
1748 SND_SOC_DAPM_MUX("AIF2ADC Mux", SND_SOC_NOPM, 0, 0, &aif2adc_mux),
1749 
1750 SND_SOC_DAPM_AIF_IN("AIF3DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1751 SND_SOC_DAPM_AIF_OUT("AIF3ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1752 
1753 SND_SOC_DAPM_SUPPLY("TOCLK", WM8994_CLOCKING_1, 4, 0, NULL, 0),
1754 
1755 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8994_POWER_MANAGEMENT_4, 5, 0),
1756 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8994_POWER_MANAGEMENT_4, 4, 0),
1757 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8994_POWER_MANAGEMENT_4, 3, 0),
1758 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0),
1759 
1760 /* Power is done with the muxes since the ADC power also controls the
1761  * downsampling chain, the chip will automatically manage the analogue
1762  * specific portions.
1763  */
1764 SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0),
1765 SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1766 
1767 SND_SOC_DAPM_MUX("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),
1768 SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),
1769 
1770 SND_SOC_DAPM_POST("Debug log", post_ev),
1771 };
1772 
1773 static const struct snd_soc_dapm_widget wm8994_specific_dapm_widgets[] = {
1774 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8994_aif3adc_mux),
1775 };
1776 
1777 static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = {
1778 SND_SOC_DAPM_SUPPLY("AIF3", WM8994_POWER_MANAGEMENT_6, 5, 1, NULL, 0),
1779 SND_SOC_DAPM_MUX("Mono PCM Out Mux", SND_SOC_NOPM, 0, 0, &mono_pcm_out_mux),
1780 SND_SOC_DAPM_MUX("AIF2DACL Mux", SND_SOC_NOPM, 0, 0, &aif2dacl_src_mux),
1781 SND_SOC_DAPM_MUX("AIF2DACR Mux", SND_SOC_NOPM, 0, 0, &aif2dacr_src_mux),
1782 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8958_aif3adc_mux),
1783 };
1784 
1785 static const struct snd_soc_dapm_route intercon[] = {
1786 	{ "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1787 	{ "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1788 
1789 	{ "DSP1CLK", NULL, "CLK_SYS" },
1790 	{ "DSP2CLK", NULL, "CLK_SYS" },
1791 	{ "DSPINTCLK", NULL, "CLK_SYS" },
1792 
1793 	{ "AIF1ADC1L", NULL, "AIF1CLK" },
1794 	{ "AIF1ADC1L", NULL, "DSP1CLK" },
1795 	{ "AIF1ADC1R", NULL, "AIF1CLK" },
1796 	{ "AIF1ADC1R", NULL, "DSP1CLK" },
1797 	{ "AIF1ADC1R", NULL, "DSPINTCLK" },
1798 
1799 	{ "AIF1DAC1L", NULL, "AIF1CLK" },
1800 	{ "AIF1DAC1L", NULL, "DSP1CLK" },
1801 	{ "AIF1DAC1R", NULL, "AIF1CLK" },
1802 	{ "AIF1DAC1R", NULL, "DSP1CLK" },
1803 	{ "AIF1DAC1R", NULL, "DSPINTCLK" },
1804 
1805 	{ "AIF1ADC2L", NULL, "AIF1CLK" },
1806 	{ "AIF1ADC2L", NULL, "DSP1CLK" },
1807 	{ "AIF1ADC2R", NULL, "AIF1CLK" },
1808 	{ "AIF1ADC2R", NULL, "DSP1CLK" },
1809 	{ "AIF1ADC2R", NULL, "DSPINTCLK" },
1810 
1811 	{ "AIF1DAC2L", NULL, "AIF1CLK" },
1812 	{ "AIF1DAC2L", NULL, "DSP1CLK" },
1813 	{ "AIF1DAC2R", NULL, "AIF1CLK" },
1814 	{ "AIF1DAC2R", NULL, "DSP1CLK" },
1815 	{ "AIF1DAC2R", NULL, "DSPINTCLK" },
1816 
1817 	{ "AIF2ADCL", NULL, "AIF2CLK" },
1818 	{ "AIF2ADCL", NULL, "DSP2CLK" },
1819 	{ "AIF2ADCR", NULL, "AIF2CLK" },
1820 	{ "AIF2ADCR", NULL, "DSP2CLK" },
1821 	{ "AIF2ADCR", NULL, "DSPINTCLK" },
1822 
1823 	{ "AIF2DACL", NULL, "AIF2CLK" },
1824 	{ "AIF2DACL", NULL, "DSP2CLK" },
1825 	{ "AIF2DACR", NULL, "AIF2CLK" },
1826 	{ "AIF2DACR", NULL, "DSP2CLK" },
1827 	{ "AIF2DACR", NULL, "DSPINTCLK" },
1828 
1829 	{ "DMIC1L", NULL, "DMIC1DAT" },
1830 	{ "DMIC1L", NULL, "CLK_SYS" },
1831 	{ "DMIC1R", NULL, "DMIC1DAT" },
1832 	{ "DMIC1R", NULL, "CLK_SYS" },
1833 	{ "DMIC2L", NULL, "DMIC2DAT" },
1834 	{ "DMIC2L", NULL, "CLK_SYS" },
1835 	{ "DMIC2R", NULL, "DMIC2DAT" },
1836 	{ "DMIC2R", NULL, "CLK_SYS" },
1837 
1838 	{ "ADCL", NULL, "AIF1CLK" },
1839 	{ "ADCL", NULL, "DSP1CLK" },
1840 	{ "ADCL", NULL, "DSPINTCLK" },
1841 
1842 	{ "ADCR", NULL, "AIF1CLK" },
1843 	{ "ADCR", NULL, "DSP1CLK" },
1844 	{ "ADCR", NULL, "DSPINTCLK" },
1845 
1846 	{ "ADCL Mux", "ADC", "ADCL" },
1847 	{ "ADCL Mux", "DMIC", "DMIC1L" },
1848 	{ "ADCR Mux", "ADC", "ADCR" },
1849 	{ "ADCR Mux", "DMIC", "DMIC1R" },
1850 
1851 	{ "DAC1L", NULL, "AIF1CLK" },
1852 	{ "DAC1L", NULL, "DSP1CLK" },
1853 	{ "DAC1L", NULL, "DSPINTCLK" },
1854 
1855 	{ "DAC1R", NULL, "AIF1CLK" },
1856 	{ "DAC1R", NULL, "DSP1CLK" },
1857 	{ "DAC1R", NULL, "DSPINTCLK" },
1858 
1859 	{ "DAC2L", NULL, "AIF2CLK" },
1860 	{ "DAC2L", NULL, "DSP2CLK" },
1861 	{ "DAC2L", NULL, "DSPINTCLK" },
1862 
1863 	{ "DAC2R", NULL, "AIF2DACR" },
1864 	{ "DAC2R", NULL, "AIF2CLK" },
1865 	{ "DAC2R", NULL, "DSP2CLK" },
1866 	{ "DAC2R", NULL, "DSPINTCLK" },
1867 
1868 	{ "TOCLK", NULL, "CLK_SYS" },
1869 
1870 	{ "AIF1DACDAT", NULL, "AIF1 Playback" },
1871 	{ "AIF2DACDAT", NULL, "AIF2 Playback" },
1872 	{ "AIF3DACDAT", NULL, "AIF3 Playback" },
1873 
1874 	{ "AIF1 Capture", NULL, "AIF1ADCDAT" },
1875 	{ "AIF2 Capture", NULL, "AIF2ADCDAT" },
1876 	{ "AIF3 Capture", NULL, "AIF3ADCDAT" },
1877 
1878 	/* AIF1 outputs */
1879 	{ "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1880 	{ "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1881 	{ "AIF1ADC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1882 
1883 	{ "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1884 	{ "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1885 	{ "AIF1ADC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1886 
1887 	{ "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1888 	{ "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1889 	{ "AIF1ADC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1890 
1891 	{ "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1892 	{ "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1893 	{ "AIF1ADC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1894 
1895 	/* Pin level routing for AIF3 */
1896 	{ "AIF1DAC1L", NULL, "AIF1DAC Mux" },
1897 	{ "AIF1DAC1R", NULL, "AIF1DAC Mux" },
1898 	{ "AIF1DAC2L", NULL, "AIF1DAC Mux" },
1899 	{ "AIF1DAC2R", NULL, "AIF1DAC Mux" },
1900 
1901 	{ "AIF1DAC Mux", "AIF1DACDAT", "AIF1 Loopback" },
1902 	{ "AIF1DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1903 	{ "AIF2DAC Mux", "AIF2DACDAT", "AIF2 Loopback" },
1904 	{ "AIF2DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1905 	{ "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1906 	{ "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1907 	{ "AIF2ADC Mux", "AIF3DACDAT", "AIF3ADCDAT" },
1908 
1909 	/* DAC1 inputs */
1910 	{ "DAC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1911 	{ "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1912 	{ "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1913 	{ "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1914 	{ "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1915 
1916 	{ "DAC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1917 	{ "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1918 	{ "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1919 	{ "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1920 	{ "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1921 
1922 	/* DAC2/AIF2 outputs  */
1923 	{ "AIF2ADCL", NULL, "AIF2DAC2L Mixer" },
1924 	{ "AIF2DAC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1925 	{ "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1926 	{ "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1927 	{ "AIF2DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1928 	{ "AIF2DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1929 
1930 	{ "AIF2ADCR", NULL, "AIF2DAC2R Mixer" },
1931 	{ "AIF2DAC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1932 	{ "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1933 	{ "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1934 	{ "AIF2DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1935 	{ "AIF2DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1936 
1937 	{ "AIF1ADCDAT", NULL, "AIF1ADC1L" },
1938 	{ "AIF1ADCDAT", NULL, "AIF1ADC1R" },
1939 	{ "AIF1ADCDAT", NULL, "AIF1ADC2L" },
1940 	{ "AIF1ADCDAT", NULL, "AIF1ADC2R" },
1941 
1942 	{ "AIF2ADCDAT", NULL, "AIF2ADC Mux" },
1943 
1944 	/* AIF3 output */
1945 	{ "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC1L" },
1946 	{ "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC1R" },
1947 	{ "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC2L" },
1948 	{ "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC2R" },
1949 	{ "AIF3ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1950 	{ "AIF3ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1951 	{ "AIF3ADC Mux", "AIF2DACDAT", "AIF2DACL" },
1952 	{ "AIF3ADC Mux", "AIF2DACDAT", "AIF2DACR" },
1953 
1954 	{ "AIF3ADCDAT", NULL, "AIF3ADC Mux" },
1955 
1956 	/* Loopback */
1957 	{ "AIF1 Loopback", "ADCDAT", "AIF1ADCDAT" },
1958 	{ "AIF1 Loopback", "None", "AIF1DACDAT" },
1959 	{ "AIF2 Loopback", "ADCDAT", "AIF2ADCDAT" },
1960 	{ "AIF2 Loopback", "None", "AIF2DACDAT" },
1961 
1962 	/* Sidetone */
1963 	{ "Left Sidetone", "ADC/DMIC1", "ADCL Mux" },
1964 	{ "Left Sidetone", "DMIC2", "DMIC2L" },
1965 	{ "Right Sidetone", "ADC/DMIC1", "ADCR Mux" },
1966 	{ "Right Sidetone", "DMIC2", "DMIC2R" },
1967 
1968 	/* Output stages */
1969 	{ "Left Output Mixer", "DAC Switch", "DAC1L" },
1970 	{ "Right Output Mixer", "DAC Switch", "DAC1R" },
1971 
1972 	{ "SPKL", "DAC1 Switch", "DAC1L" },
1973 	{ "SPKL", "DAC2 Switch", "DAC2L" },
1974 
1975 	{ "SPKR", "DAC1 Switch", "DAC1R" },
1976 	{ "SPKR", "DAC2 Switch", "DAC2R" },
1977 
1978 	{ "Left Headphone Mux", "DAC", "DAC1L" },
1979 	{ "Right Headphone Mux", "DAC", "DAC1R" },
1980 };
1981 
1982 static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = {
1983 	{ "DAC1L", NULL, "Late DAC1L Enable PGA" },
1984 	{ "Late DAC1L Enable PGA", NULL, "DAC1L Mixer" },
1985 	{ "DAC1R", NULL, "Late DAC1R Enable PGA" },
1986 	{ "Late DAC1R Enable PGA", NULL, "DAC1R Mixer" },
1987 	{ "DAC2L", NULL, "Late DAC2L Enable PGA" },
1988 	{ "Late DAC2L Enable PGA", NULL, "AIF2DAC2L Mixer" },
1989 	{ "DAC2R", NULL, "Late DAC2R Enable PGA" },
1990 	{ "Late DAC2R Enable PGA", NULL, "AIF2DAC2R Mixer" }
1991 };
1992 
1993 static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = {
1994 	{ "DAC1L", NULL, "DAC1L Mixer" },
1995 	{ "DAC1R", NULL, "DAC1R Mixer" },
1996 	{ "DAC2L", NULL, "AIF2DAC2L Mixer" },
1997 	{ "DAC2R", NULL, "AIF2DAC2R Mixer" },
1998 };
1999 
2000 static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
2001 	{ "AIF1DACDAT", NULL, "AIF2DACDAT" },
2002 	{ "AIF2DACDAT", NULL, "AIF1DACDAT" },
2003 	{ "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
2004 	{ "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
2005 	{ "MICBIAS1", NULL, "CLK_SYS" },
2006 	{ "MICBIAS1", NULL, "MICBIAS Supply" },
2007 	{ "MICBIAS2", NULL, "CLK_SYS" },
2008 	{ "MICBIAS2", NULL, "MICBIAS Supply" },
2009 };
2010 
2011 static const struct snd_soc_dapm_route wm8994_intercon[] = {
2012 	{ "AIF2DACL", NULL, "AIF2DAC Mux" },
2013 	{ "AIF2DACR", NULL, "AIF2DAC Mux" },
2014 	{ "MICBIAS1", NULL, "VMID" },
2015 	{ "MICBIAS2", NULL, "VMID" },
2016 };
2017 
2018 static const struct snd_soc_dapm_route wm8958_intercon[] = {
2019 	{ "AIF2DACL", NULL, "AIF2DACL Mux" },
2020 	{ "AIF2DACR", NULL, "AIF2DACR Mux" },
2021 
2022 	{ "AIF2DACL Mux", "AIF2", "AIF2DAC Mux" },
2023 	{ "AIF2DACL Mux", "AIF3", "AIF3DACDAT" },
2024 	{ "AIF2DACR Mux", "AIF2", "AIF2DAC Mux" },
2025 	{ "AIF2DACR Mux", "AIF3", "AIF3DACDAT" },
2026 
2027 	{ "AIF3DACDAT", NULL, "AIF3" },
2028 	{ "AIF3ADCDAT", NULL, "AIF3" },
2029 
2030 	{ "Mono PCM Out Mux", "AIF2ADCL", "AIF2ADCL" },
2031 	{ "Mono PCM Out Mux", "AIF2ADCR", "AIF2ADCR" },
2032 
2033 	{ "AIF3ADC Mux", "Mono PCM", "Mono PCM Out Mux" },
2034 };
2035 
2036 /* The size in bits of the FLL divide multiplied by 10
2037  * to allow rounding later */
2038 #define FIXED_FLL_SIZE ((1 << 16) * 10)
2039 
2040 struct fll_div {
2041 	u16 outdiv;
2042 	u16 n;
2043 	u16 k;
2044 	u16 lambda;
2045 	u16 clk_ref_div;
2046 	u16 fll_fratio;
2047 };
2048 
2049 static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll,
2050 				 int freq_in, int freq_out)
2051 {
2052 	u64 Kpart;
2053 	unsigned int K, Ndiv, Nmod, gcd_fll;
2054 
2055 	pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
2056 
2057 	/* Scale the input frequency down to <= 13.5MHz */
2058 	fll->clk_ref_div = 0;
2059 	while (freq_in > 13500000) {
2060 		fll->clk_ref_div++;
2061 		freq_in /= 2;
2062 
2063 		if (fll->clk_ref_div > 3)
2064 			return -EINVAL;
2065 	}
2066 	pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
2067 
2068 	/* Scale the output to give 90MHz<=Fvco<=100MHz */
2069 	fll->outdiv = 3;
2070 	while (freq_out * (fll->outdiv + 1) < 90000000) {
2071 		fll->outdiv++;
2072 		if (fll->outdiv > 63)
2073 			return -EINVAL;
2074 	}
2075 	freq_out *= fll->outdiv + 1;
2076 	pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
2077 
2078 	if (freq_in > 1000000) {
2079 		fll->fll_fratio = 0;
2080 	} else if (freq_in > 256000) {
2081 		fll->fll_fratio = 1;
2082 		freq_in *= 2;
2083 	} else if (freq_in > 128000) {
2084 		fll->fll_fratio = 2;
2085 		freq_in *= 4;
2086 	} else if (freq_in > 64000) {
2087 		fll->fll_fratio = 3;
2088 		freq_in *= 8;
2089 	} else {
2090 		fll->fll_fratio = 4;
2091 		freq_in *= 16;
2092 	}
2093 	pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
2094 
2095 	/* Now, calculate N.K */
2096 	Ndiv = freq_out / freq_in;
2097 
2098 	fll->n = Ndiv;
2099 	Nmod = freq_out % freq_in;
2100 	pr_debug("Nmod=%d\n", Nmod);
2101 
2102 	switch (control->type) {
2103 	case WM8994:
2104 		/* Calculate fractional part - scale up so we can round. */
2105 		Kpart = FIXED_FLL_SIZE * (long long)Nmod;
2106 
2107 		do_div(Kpart, freq_in);
2108 
2109 		K = Kpart & 0xFFFFFFFF;
2110 
2111 		if ((K % 10) >= 5)
2112 			K += 5;
2113 
2114 		/* Move down to proper range now rounding is done */
2115 		fll->k = K / 10;
2116 		fll->lambda = 0;
2117 
2118 		pr_debug("N=%x K=%x\n", fll->n, fll->k);
2119 		break;
2120 
2121 	default:
2122 		gcd_fll = gcd(freq_out, freq_in);
2123 
2124 		fll->k = (freq_out - (freq_in * fll->n)) / gcd_fll;
2125 		fll->lambda = freq_in / gcd_fll;
2126 
2127 	}
2128 
2129 	return 0;
2130 }
2131 
2132 static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
2133 			  unsigned int freq_in, unsigned int freq_out)
2134 {
2135 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2136 	struct wm8994 *control = wm8994->wm8994;
2137 	int reg_offset, ret;
2138 	struct fll_div fll;
2139 	u16 reg, clk1, aif_reg, aif_src;
2140 	unsigned long timeout;
2141 	bool was_enabled;
2142 
2143 	switch (id) {
2144 	case WM8994_FLL1:
2145 		reg_offset = 0;
2146 		id = 0;
2147 		aif_src = 0x10;
2148 		break;
2149 	case WM8994_FLL2:
2150 		reg_offset = 0x20;
2151 		id = 1;
2152 		aif_src = 0x18;
2153 		break;
2154 	default:
2155 		return -EINVAL;
2156 	}
2157 
2158 	reg = snd_soc_read(codec, WM8994_FLL1_CONTROL_1 + reg_offset);
2159 	was_enabled = reg & WM8994_FLL1_ENA;
2160 
2161 	switch (src) {
2162 	case 0:
2163 		/* Allow no source specification when stopping */
2164 		if (freq_out)
2165 			return -EINVAL;
2166 		src = wm8994->fll[id].src;
2167 		break;
2168 	case WM8994_FLL_SRC_MCLK1:
2169 	case WM8994_FLL_SRC_MCLK2:
2170 	case WM8994_FLL_SRC_LRCLK:
2171 	case WM8994_FLL_SRC_BCLK:
2172 		break;
2173 	case WM8994_FLL_SRC_INTERNAL:
2174 		freq_in = 12000000;
2175 		freq_out = 12000000;
2176 		break;
2177 	default:
2178 		return -EINVAL;
2179 	}
2180 
2181 	/* Are we changing anything? */
2182 	if (wm8994->fll[id].src == src &&
2183 	    wm8994->fll[id].in == freq_in && wm8994->fll[id].out == freq_out)
2184 		return 0;
2185 
2186 	/* If we're stopping the FLL redo the old config - no
2187 	 * registers will actually be written but we avoid GCC flow
2188 	 * analysis bugs spewing warnings.
2189 	 */
2190 	if (freq_out)
2191 		ret = wm8994_get_fll_config(control, &fll, freq_in, freq_out);
2192 	else
2193 		ret = wm8994_get_fll_config(control, &fll, wm8994->fll[id].in,
2194 					    wm8994->fll[id].out);
2195 	if (ret < 0)
2196 		return ret;
2197 
2198 	/* Make sure that we're not providing SYSCLK right now */
2199 	clk1 = snd_soc_read(codec, WM8994_CLOCKING_1);
2200 	if (clk1 & WM8994_SYSCLK_SRC)
2201 		aif_reg = WM8994_AIF2_CLOCKING_1;
2202 	else
2203 		aif_reg = WM8994_AIF1_CLOCKING_1;
2204 	reg = snd_soc_read(codec, aif_reg);
2205 
2206 	if ((reg & WM8994_AIF1CLK_ENA) &&
2207 	    (reg & WM8994_AIF1CLK_SRC_MASK) == aif_src) {
2208 		dev_err(codec->dev, "FLL%d is currently providing SYSCLK\n",
2209 			id + 1);
2210 		return -EBUSY;
2211 	}
2212 
2213 	/* We always need to disable the FLL while reconfiguring */
2214 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2215 			    WM8994_FLL1_ENA, 0);
2216 
2217 	if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
2218 	    freq_in == freq_out && freq_out) {
2219 		dev_dbg(codec->dev, "Bypassing FLL%d\n", id + 1);
2220 		snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2221 				    WM8958_FLL1_BYP, WM8958_FLL1_BYP);
2222 		goto out;
2223 	}
2224 
2225 	reg = (fll.outdiv << WM8994_FLL1_OUTDIV_SHIFT) |
2226 		(fll.fll_fratio << WM8994_FLL1_FRATIO_SHIFT);
2227 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_2 + reg_offset,
2228 			    WM8994_FLL1_OUTDIV_MASK |
2229 			    WM8994_FLL1_FRATIO_MASK, reg);
2230 
2231 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_3 + reg_offset,
2232 			    WM8994_FLL1_K_MASK, fll.k);
2233 
2234 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_4 + reg_offset,
2235 			    WM8994_FLL1_N_MASK,
2236 			    fll.n << WM8994_FLL1_N_SHIFT);
2237 
2238 	if (fll.lambda) {
2239 		snd_soc_update_bits(codec, WM8958_FLL1_EFS_1 + reg_offset,
2240 				    WM8958_FLL1_LAMBDA_MASK,
2241 				    fll.lambda);
2242 		snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2243 				    WM8958_FLL1_EFS_ENA, WM8958_FLL1_EFS_ENA);
2244 	} else {
2245 		snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
2246 				    WM8958_FLL1_EFS_ENA, 0);
2247 	}
2248 
2249 	snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
2250 			    WM8994_FLL1_FRC_NCO | WM8958_FLL1_BYP |
2251 			    WM8994_FLL1_REFCLK_DIV_MASK |
2252 			    WM8994_FLL1_REFCLK_SRC_MASK,
2253 			    ((src == WM8994_FLL_SRC_INTERNAL)
2254 			     << WM8994_FLL1_FRC_NCO_SHIFT) |
2255 			    (fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
2256 			    (src - 1));
2257 
2258 	/* Clear any pending completion from a previous failure */
2259 	try_wait_for_completion(&wm8994->fll_locked[id]);
2260 
2261 	/* Enable (with fractional mode if required) */
2262 	if (freq_out) {
2263 		/* Enable VMID if we need it */
2264 		if (!was_enabled) {
2265 			active_reference(codec);
2266 
2267 			switch (control->type) {
2268 			case WM8994:
2269 				vmid_reference(codec);
2270 				break;
2271 			case WM8958:
2272 				if (control->revision < 1)
2273 					vmid_reference(codec);
2274 				break;
2275 			default:
2276 				break;
2277 			}
2278 		}
2279 
2280 		reg = WM8994_FLL1_ENA;
2281 
2282 		if (fll.k)
2283 			reg |= WM8994_FLL1_FRAC;
2284 		if (src == WM8994_FLL_SRC_INTERNAL)
2285 			reg |= WM8994_FLL1_OSC_ENA;
2286 
2287 		snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_1 + reg_offset,
2288 				    WM8994_FLL1_ENA | WM8994_FLL1_OSC_ENA |
2289 				    WM8994_FLL1_FRAC, reg);
2290 
2291 		if (wm8994->fll_locked_irq) {
2292 			timeout = wait_for_completion_timeout(&wm8994->fll_locked[id],
2293 							      msecs_to_jiffies(10));
2294 			if (timeout == 0)
2295 				dev_warn(codec->dev,
2296 					 "Timed out waiting for FLL lock\n");
2297 		} else {
2298 			msleep(5);
2299 		}
2300 	} else {
2301 		if (was_enabled) {
2302 			switch (control->type) {
2303 			case WM8994:
2304 				vmid_dereference(codec);
2305 				break;
2306 			case WM8958:
2307 				if (control->revision < 1)
2308 					vmid_dereference(codec);
2309 				break;
2310 			default:
2311 				break;
2312 			}
2313 
2314 			active_dereference(codec);
2315 		}
2316 	}
2317 
2318 out:
2319 	wm8994->fll[id].in = freq_in;
2320 	wm8994->fll[id].out = freq_out;
2321 	wm8994->fll[id].src = src;
2322 
2323 	configure_clock(codec);
2324 
2325 	/*
2326 	 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2327 	 * for detection.
2328 	 */
2329 	if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2330 		dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2331 
2332 		wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2333 			& WM8994_AIF1CLK_RATE_MASK;
2334 		wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2335 			& WM8994_AIF1CLK_RATE_MASK;
2336 
2337 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2338 				    WM8994_AIF1CLK_RATE_MASK, 0x1);
2339 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2340 				    WM8994_AIF2CLK_RATE_MASK, 0x1);
2341 	} else if (wm8994->aifdiv[0]) {
2342 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2343 				    WM8994_AIF1CLK_RATE_MASK,
2344 				    wm8994->aifdiv[0]);
2345 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2346 				    WM8994_AIF2CLK_RATE_MASK,
2347 				    wm8994->aifdiv[1]);
2348 
2349 		wm8994->aifdiv[0] = 0;
2350 		wm8994->aifdiv[1] = 0;
2351 	}
2352 
2353 	return 0;
2354 }
2355 
2356 static irqreturn_t wm8994_fll_locked_irq(int irq, void *data)
2357 {
2358 	struct completion *completion = data;
2359 
2360 	complete(completion);
2361 
2362 	return IRQ_HANDLED;
2363 }
2364 
2365 static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
2366 
2367 static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
2368 			  unsigned int freq_in, unsigned int freq_out)
2369 {
2370 	return _wm8994_set_fll(dai->codec, id, src, freq_in, freq_out);
2371 }
2372 
2373 static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
2374 		int clk_id, unsigned int freq, int dir)
2375 {
2376 	struct snd_soc_codec *codec = dai->codec;
2377 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2378 	int i;
2379 
2380 	switch (dai->id) {
2381 	case 1:
2382 	case 2:
2383 		break;
2384 
2385 	default:
2386 		/* AIF3 shares clocking with AIF1/2 */
2387 		return -EINVAL;
2388 	}
2389 
2390 	switch (clk_id) {
2391 	case WM8994_SYSCLK_MCLK1:
2392 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK1;
2393 		wm8994->mclk[0] = freq;
2394 		dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
2395 			dai->id, freq);
2396 		break;
2397 
2398 	case WM8994_SYSCLK_MCLK2:
2399 		/* TODO: Set GPIO AF */
2400 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK2;
2401 		wm8994->mclk[1] = freq;
2402 		dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
2403 			dai->id, freq);
2404 		break;
2405 
2406 	case WM8994_SYSCLK_FLL1:
2407 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL1;
2408 		dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id);
2409 		break;
2410 
2411 	case WM8994_SYSCLK_FLL2:
2412 		wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL2;
2413 		dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id);
2414 		break;
2415 
2416 	case WM8994_SYSCLK_OPCLK:
2417 		/* Special case - a division (times 10) is given and
2418 		 * no effect on main clocking.
2419 		 */
2420 		if (freq) {
2421 			for (i = 0; i < ARRAY_SIZE(opclk_divs); i++)
2422 				if (opclk_divs[i] == freq)
2423 					break;
2424 			if (i == ARRAY_SIZE(opclk_divs))
2425 				return -EINVAL;
2426 			snd_soc_update_bits(codec, WM8994_CLOCKING_2,
2427 					    WM8994_OPCLK_DIV_MASK, i);
2428 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2429 					    WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
2430 		} else {
2431 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_2,
2432 					    WM8994_OPCLK_ENA, 0);
2433 		}
2434 
2435 	default:
2436 		return -EINVAL;
2437 	}
2438 
2439 	configure_clock(codec);
2440 
2441 	/*
2442 	 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2443 	 * for detection.
2444 	 */
2445 	if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2446 		dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
2447 
2448 		wm8994->aifdiv[0] = snd_soc_read(codec, WM8994_AIF1_RATE)
2449 			& WM8994_AIF1CLK_RATE_MASK;
2450 		wm8994->aifdiv[1] = snd_soc_read(codec, WM8994_AIF2_RATE)
2451 			& WM8994_AIF1CLK_RATE_MASK;
2452 
2453 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2454 				    WM8994_AIF1CLK_RATE_MASK, 0x1);
2455 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2456 				    WM8994_AIF2CLK_RATE_MASK, 0x1);
2457 	} else if (wm8994->aifdiv[0]) {
2458 		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
2459 				    WM8994_AIF1CLK_RATE_MASK,
2460 				    wm8994->aifdiv[0]);
2461 		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
2462 				    WM8994_AIF2CLK_RATE_MASK,
2463 				    wm8994->aifdiv[1]);
2464 
2465 		wm8994->aifdiv[0] = 0;
2466 		wm8994->aifdiv[1] = 0;
2467 	}
2468 
2469 	return 0;
2470 }
2471 
2472 static int wm8994_set_bias_level(struct snd_soc_codec *codec,
2473 				 enum snd_soc_bias_level level)
2474 {
2475 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2476 	struct wm8994 *control = wm8994->wm8994;
2477 
2478 	wm_hubs_set_bias_level(codec, level);
2479 
2480 	switch (level) {
2481 	case SND_SOC_BIAS_ON:
2482 		break;
2483 
2484 	case SND_SOC_BIAS_PREPARE:
2485 		/* MICBIAS into regulating mode */
2486 		switch (control->type) {
2487 		case WM8958:
2488 		case WM1811:
2489 			snd_soc_update_bits(codec, WM8958_MICBIAS1,
2490 					    WM8958_MICB1_MODE, 0);
2491 			snd_soc_update_bits(codec, WM8958_MICBIAS2,
2492 					    WM8958_MICB2_MODE, 0);
2493 			break;
2494 		default:
2495 			break;
2496 		}
2497 
2498 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
2499 			active_reference(codec);
2500 		break;
2501 
2502 	case SND_SOC_BIAS_STANDBY:
2503 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
2504 			switch (control->type) {
2505 			case WM8958:
2506 				if (control->revision == 0) {
2507 					/* Optimise performance for rev A */
2508 					snd_soc_update_bits(codec,
2509 							    WM8958_CHARGE_PUMP_2,
2510 							    WM8958_CP_DISCH,
2511 							    WM8958_CP_DISCH);
2512 				}
2513 				break;
2514 
2515 			default:
2516 				break;
2517 			}
2518 
2519 			/* Discharge LINEOUT1 & 2 */
2520 			snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
2521 					    WM8994_LINEOUT1_DISCH |
2522 					    WM8994_LINEOUT2_DISCH,
2523 					    WM8994_LINEOUT1_DISCH |
2524 					    WM8994_LINEOUT2_DISCH);
2525 		}
2526 
2527 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_PREPARE)
2528 			active_dereference(codec);
2529 
2530 		/* MICBIAS into bypass mode on newer devices */
2531 		switch (control->type) {
2532 		case WM8958:
2533 		case WM1811:
2534 			snd_soc_update_bits(codec, WM8958_MICBIAS1,
2535 					    WM8958_MICB1_MODE,
2536 					    WM8958_MICB1_MODE);
2537 			snd_soc_update_bits(codec, WM8958_MICBIAS2,
2538 					    WM8958_MICB2_MODE,
2539 					    WM8958_MICB2_MODE);
2540 			break;
2541 		default:
2542 			break;
2543 		}
2544 		break;
2545 
2546 	case SND_SOC_BIAS_OFF:
2547 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
2548 			wm8994->cur_fw = NULL;
2549 		break;
2550 	}
2551 
2552 	return 0;
2553 }
2554 
2555 int wm8994_vmid_mode(struct snd_soc_codec *codec, enum wm8994_vmid_mode mode)
2556 {
2557 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2558 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2559 
2560 	switch (mode) {
2561 	case WM8994_VMID_NORMAL:
2562 		snd_soc_dapm_mutex_lock(dapm);
2563 
2564 		if (wm8994->hubs.lineout1_se) {
2565 			snd_soc_dapm_disable_pin_unlocked(dapm,
2566 							  "LINEOUT1N Driver");
2567 			snd_soc_dapm_disable_pin_unlocked(dapm,
2568 							  "LINEOUT1P Driver");
2569 		}
2570 		if (wm8994->hubs.lineout2_se) {
2571 			snd_soc_dapm_disable_pin_unlocked(dapm,
2572 							  "LINEOUT2N Driver");
2573 			snd_soc_dapm_disable_pin_unlocked(dapm,
2574 							  "LINEOUT2P Driver");
2575 		}
2576 
2577 		/* Do the sync with the old mode to allow it to clean up */
2578 		snd_soc_dapm_sync_unlocked(dapm);
2579 		wm8994->vmid_mode = mode;
2580 
2581 		snd_soc_dapm_mutex_unlock(dapm);
2582 		break;
2583 
2584 	case WM8994_VMID_FORCE:
2585 		snd_soc_dapm_mutex_lock(dapm);
2586 
2587 		if (wm8994->hubs.lineout1_se) {
2588 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2589 							       "LINEOUT1N Driver");
2590 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2591 							       "LINEOUT1P Driver");
2592 		}
2593 		if (wm8994->hubs.lineout2_se) {
2594 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2595 							       "LINEOUT2N Driver");
2596 			snd_soc_dapm_force_enable_pin_unlocked(dapm,
2597 							       "LINEOUT2P Driver");
2598 		}
2599 
2600 		wm8994->vmid_mode = mode;
2601 		snd_soc_dapm_sync_unlocked(dapm);
2602 
2603 		snd_soc_dapm_mutex_unlock(dapm);
2604 		break;
2605 
2606 	default:
2607 		return -EINVAL;
2608 	}
2609 
2610 	return 0;
2611 }
2612 
2613 static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
2614 {
2615 	struct snd_soc_codec *codec = dai->codec;
2616 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2617 	struct wm8994 *control = wm8994->wm8994;
2618 	int ms_reg;
2619 	int aif1_reg;
2620 	int dac_reg;
2621 	int adc_reg;
2622 	int ms = 0;
2623 	int aif1 = 0;
2624 	int lrclk = 0;
2625 
2626 	switch (dai->id) {
2627 	case 1:
2628 		ms_reg = WM8994_AIF1_MASTER_SLAVE;
2629 		aif1_reg = WM8994_AIF1_CONTROL_1;
2630 		dac_reg = WM8994_AIF1DAC_LRCLK;
2631 		adc_reg = WM8994_AIF1ADC_LRCLK;
2632 		break;
2633 	case 2:
2634 		ms_reg = WM8994_AIF2_MASTER_SLAVE;
2635 		aif1_reg = WM8994_AIF2_CONTROL_1;
2636 		dac_reg = WM8994_AIF1DAC_LRCLK;
2637 		adc_reg = WM8994_AIF1ADC_LRCLK;
2638 		break;
2639 	default:
2640 		return -EINVAL;
2641 	}
2642 
2643 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2644 	case SND_SOC_DAIFMT_CBS_CFS:
2645 		break;
2646 	case SND_SOC_DAIFMT_CBM_CFM:
2647 		ms = WM8994_AIF1_MSTR;
2648 		break;
2649 	default:
2650 		return -EINVAL;
2651 	}
2652 
2653 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2654 	case SND_SOC_DAIFMT_DSP_B:
2655 		aif1 |= WM8994_AIF1_LRCLK_INV;
2656 		lrclk |= WM8958_AIF1_LRCLK_INV;
2657 	case SND_SOC_DAIFMT_DSP_A:
2658 		aif1 |= 0x18;
2659 		break;
2660 	case SND_SOC_DAIFMT_I2S:
2661 		aif1 |= 0x10;
2662 		break;
2663 	case SND_SOC_DAIFMT_RIGHT_J:
2664 		break;
2665 	case SND_SOC_DAIFMT_LEFT_J:
2666 		aif1 |= 0x8;
2667 		break;
2668 	default:
2669 		return -EINVAL;
2670 	}
2671 
2672 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2673 	case SND_SOC_DAIFMT_DSP_A:
2674 	case SND_SOC_DAIFMT_DSP_B:
2675 		/* frame inversion not valid for DSP modes */
2676 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2677 		case SND_SOC_DAIFMT_NB_NF:
2678 			break;
2679 		case SND_SOC_DAIFMT_IB_NF:
2680 			aif1 |= WM8994_AIF1_BCLK_INV;
2681 			break;
2682 		default:
2683 			return -EINVAL;
2684 		}
2685 		break;
2686 
2687 	case SND_SOC_DAIFMT_I2S:
2688 	case SND_SOC_DAIFMT_RIGHT_J:
2689 	case SND_SOC_DAIFMT_LEFT_J:
2690 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2691 		case SND_SOC_DAIFMT_NB_NF:
2692 			break;
2693 		case SND_SOC_DAIFMT_IB_IF:
2694 			aif1 |= WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV;
2695 			lrclk |= WM8958_AIF1_LRCLK_INV;
2696 			break;
2697 		case SND_SOC_DAIFMT_IB_NF:
2698 			aif1 |= WM8994_AIF1_BCLK_INV;
2699 			break;
2700 		case SND_SOC_DAIFMT_NB_IF:
2701 			aif1 |= WM8994_AIF1_LRCLK_INV;
2702 			lrclk |= WM8958_AIF1_LRCLK_INV;
2703 			break;
2704 		default:
2705 			return -EINVAL;
2706 		}
2707 		break;
2708 	default:
2709 		return -EINVAL;
2710 	}
2711 
2712 	/* The AIF2 format configuration needs to be mirrored to AIF3
2713 	 * on WM8958 if it's in use so just do it all the time. */
2714 	switch (control->type) {
2715 	case WM1811:
2716 	case WM8958:
2717 		if (dai->id == 2)
2718 			snd_soc_update_bits(codec, WM8958_AIF3_CONTROL_1,
2719 					    WM8994_AIF1_LRCLK_INV |
2720 					    WM8958_AIF3_FMT_MASK, aif1);
2721 		break;
2722 
2723 	default:
2724 		break;
2725 	}
2726 
2727 	snd_soc_update_bits(codec, aif1_reg,
2728 			    WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV |
2729 			    WM8994_AIF1_FMT_MASK,
2730 			    aif1);
2731 	snd_soc_update_bits(codec, ms_reg, WM8994_AIF1_MSTR,
2732 			    ms);
2733 	snd_soc_update_bits(codec, dac_reg,
2734 			    WM8958_AIF1_LRCLK_INV, lrclk);
2735 	snd_soc_update_bits(codec, adc_reg,
2736 			    WM8958_AIF1_LRCLK_INV, lrclk);
2737 
2738 	return 0;
2739 }
2740 
2741 static struct {
2742 	int val, rate;
2743 } srs[] = {
2744 	{ 0,   8000 },
2745 	{ 1,  11025 },
2746 	{ 2,  12000 },
2747 	{ 3,  16000 },
2748 	{ 4,  22050 },
2749 	{ 5,  24000 },
2750 	{ 6,  32000 },
2751 	{ 7,  44100 },
2752 	{ 8,  48000 },
2753 	{ 9,  88200 },
2754 	{ 10, 96000 },
2755 };
2756 
2757 static int fs_ratios[] = {
2758 	64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
2759 };
2760 
2761 static int bclk_divs[] = {
2762 	10, 15, 20, 30, 40, 50, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480,
2763 	640, 880, 960, 1280, 1760, 1920
2764 };
2765 
2766 static int wm8994_hw_params(struct snd_pcm_substream *substream,
2767 			    struct snd_pcm_hw_params *params,
2768 			    struct snd_soc_dai *dai)
2769 {
2770 	struct snd_soc_codec *codec = dai->codec;
2771 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2772 	struct wm8994 *control = wm8994->wm8994;
2773 	struct wm8994_pdata *pdata = &control->pdata;
2774 	int aif1_reg;
2775 	int aif2_reg;
2776 	int bclk_reg;
2777 	int lrclk_reg;
2778 	int rate_reg;
2779 	int aif1 = 0;
2780 	int aif2 = 0;
2781 	int bclk = 0;
2782 	int lrclk = 0;
2783 	int rate_val = 0;
2784 	int id = dai->id - 1;
2785 
2786 	int i, cur_val, best_val, bclk_rate, best;
2787 
2788 	switch (dai->id) {
2789 	case 1:
2790 		aif1_reg = WM8994_AIF1_CONTROL_1;
2791 		aif2_reg = WM8994_AIF1_CONTROL_2;
2792 		bclk_reg = WM8994_AIF1_BCLK;
2793 		rate_reg = WM8994_AIF1_RATE;
2794 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2795 		    wm8994->lrclk_shared[0]) {
2796 			lrclk_reg = WM8994_AIF1DAC_LRCLK;
2797 		} else {
2798 			lrclk_reg = WM8994_AIF1ADC_LRCLK;
2799 			dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
2800 		}
2801 		break;
2802 	case 2:
2803 		aif1_reg = WM8994_AIF2_CONTROL_1;
2804 		aif2_reg = WM8994_AIF2_CONTROL_2;
2805 		bclk_reg = WM8994_AIF2_BCLK;
2806 		rate_reg = WM8994_AIF2_RATE;
2807 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2808 		    wm8994->lrclk_shared[1]) {
2809 			lrclk_reg = WM8994_AIF2DAC_LRCLK;
2810 		} else {
2811 			lrclk_reg = WM8994_AIF2ADC_LRCLK;
2812 			dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
2813 		}
2814 		break;
2815 	default:
2816 		return -EINVAL;
2817 	}
2818 
2819 	bclk_rate = params_rate(params);
2820 	switch (params_width(params)) {
2821 	case 16:
2822 		bclk_rate *= 16;
2823 		break;
2824 	case 20:
2825 		bclk_rate *= 20;
2826 		aif1 |= 0x20;
2827 		break;
2828 	case 24:
2829 		bclk_rate *= 24;
2830 		aif1 |= 0x40;
2831 		break;
2832 	case 32:
2833 		bclk_rate *= 32;
2834 		aif1 |= 0x60;
2835 		break;
2836 	default:
2837 		return -EINVAL;
2838 	}
2839 
2840 	wm8994->channels[id] = params_channels(params);
2841 	if (pdata->max_channels_clocked[id] &&
2842 	    wm8994->channels[id] > pdata->max_channels_clocked[id]) {
2843 		dev_dbg(dai->dev, "Constraining channels to %d from %d\n",
2844 			pdata->max_channels_clocked[id], wm8994->channels[id]);
2845 		wm8994->channels[id] = pdata->max_channels_clocked[id];
2846 	}
2847 
2848 	switch (wm8994->channels[id]) {
2849 	case 1:
2850 	case 2:
2851 		bclk_rate *= 2;
2852 		break;
2853 	default:
2854 		bclk_rate *= 4;
2855 		break;
2856 	}
2857 
2858 	/* Try to find an appropriate sample rate; look for an exact match. */
2859 	for (i = 0; i < ARRAY_SIZE(srs); i++)
2860 		if (srs[i].rate == params_rate(params))
2861 			break;
2862 	if (i == ARRAY_SIZE(srs))
2863 		return -EINVAL;
2864 	rate_val |= srs[i].val << WM8994_AIF1_SR_SHIFT;
2865 
2866 	dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i].rate);
2867 	dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
2868 		dai->id, wm8994->aifclk[id], bclk_rate);
2869 
2870 	if (wm8994->channels[id] == 1 &&
2871 	    (snd_soc_read(codec, aif1_reg) & 0x18) == 0x18)
2872 		aif2 |= WM8994_AIF1_MONO;
2873 
2874 	if (wm8994->aifclk[id] == 0) {
2875 		dev_err(dai->dev, "AIF%dCLK not configured\n", dai->id);
2876 		return -EINVAL;
2877 	}
2878 
2879 	/* AIFCLK/fs ratio; look for a close match in either direction */
2880 	best = 0;
2881 	best_val = abs((fs_ratios[0] * params_rate(params))
2882 		       - wm8994->aifclk[id]);
2883 	for (i = 1; i < ARRAY_SIZE(fs_ratios); i++) {
2884 		cur_val = abs((fs_ratios[i] * params_rate(params))
2885 			      - wm8994->aifclk[id]);
2886 		if (cur_val >= best_val)
2887 			continue;
2888 		best = i;
2889 		best_val = cur_val;
2890 	}
2891 	dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
2892 		dai->id, fs_ratios[best]);
2893 	rate_val |= best;
2894 
2895 	/* We may not get quite the right frequency if using
2896 	 * approximate clocks so look for the closest match that is
2897 	 * higher than the target (we need to ensure that there enough
2898 	 * BCLKs to clock out the samples).
2899 	 */
2900 	best = 0;
2901 	for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
2902 		cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
2903 		if (cur_val < 0) /* BCLK table is sorted */
2904 			break;
2905 		best = i;
2906 	}
2907 	bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
2908 	dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
2909 		bclk_divs[best], bclk_rate);
2910 	bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
2911 
2912 	lrclk = bclk_rate / params_rate(params);
2913 	if (!lrclk) {
2914 		dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
2915 			bclk_rate);
2916 		return -EINVAL;
2917 	}
2918 	dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
2919 		lrclk, bclk_rate / lrclk);
2920 
2921 	snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2922 	snd_soc_update_bits(codec, aif2_reg, WM8994_AIF1_MONO, aif2);
2923 	snd_soc_update_bits(codec, bclk_reg, WM8994_AIF1_BCLK_DIV_MASK, bclk);
2924 	snd_soc_update_bits(codec, lrclk_reg, WM8994_AIF1DAC_RATE_MASK,
2925 			    lrclk);
2926 	snd_soc_update_bits(codec, rate_reg, WM8994_AIF1_SR_MASK |
2927 			    WM8994_AIF1CLK_RATE_MASK, rate_val);
2928 
2929 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
2930 		switch (dai->id) {
2931 		case 1:
2932 			wm8994->dac_rates[0] = params_rate(params);
2933 			wm8994_set_retune_mobile(codec, 0);
2934 			wm8994_set_retune_mobile(codec, 1);
2935 			break;
2936 		case 2:
2937 			wm8994->dac_rates[1] = params_rate(params);
2938 			wm8994_set_retune_mobile(codec, 2);
2939 			break;
2940 		}
2941 	}
2942 
2943 	return 0;
2944 }
2945 
2946 static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
2947 				 struct snd_pcm_hw_params *params,
2948 				 struct snd_soc_dai *dai)
2949 {
2950 	struct snd_soc_codec *codec = dai->codec;
2951 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
2952 	struct wm8994 *control = wm8994->wm8994;
2953 	int aif1_reg;
2954 	int aif1 = 0;
2955 
2956 	switch (dai->id) {
2957 	case 3:
2958 		switch (control->type) {
2959 		case WM1811:
2960 		case WM8958:
2961 			aif1_reg = WM8958_AIF3_CONTROL_1;
2962 			break;
2963 		default:
2964 			return 0;
2965 		}
2966 		break;
2967 	default:
2968 		return 0;
2969 	}
2970 
2971 	switch (params_width(params)) {
2972 	case 16:
2973 		break;
2974 	case 20:
2975 		aif1 |= 0x20;
2976 		break;
2977 	case 24:
2978 		aif1 |= 0x40;
2979 		break;
2980 	case 32:
2981 		aif1 |= 0x60;
2982 		break;
2983 	default:
2984 		return -EINVAL;
2985 	}
2986 
2987 	return snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
2988 }
2989 
2990 static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute)
2991 {
2992 	struct snd_soc_codec *codec = codec_dai->codec;
2993 	int mute_reg;
2994 	int reg;
2995 
2996 	switch (codec_dai->id) {
2997 	case 1:
2998 		mute_reg = WM8994_AIF1_DAC1_FILTERS_1;
2999 		break;
3000 	case 2:
3001 		mute_reg = WM8994_AIF2_DAC_FILTERS_1;
3002 		break;
3003 	default:
3004 		return -EINVAL;
3005 	}
3006 
3007 	if (mute)
3008 		reg = WM8994_AIF1DAC1_MUTE;
3009 	else
3010 		reg = 0;
3011 
3012 	snd_soc_update_bits(codec, mute_reg, WM8994_AIF1DAC1_MUTE, reg);
3013 
3014 	return 0;
3015 }
3016 
3017 static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
3018 {
3019 	struct snd_soc_codec *codec = codec_dai->codec;
3020 	int reg, val, mask;
3021 
3022 	switch (codec_dai->id) {
3023 	case 1:
3024 		reg = WM8994_AIF1_MASTER_SLAVE;
3025 		mask = WM8994_AIF1_TRI;
3026 		break;
3027 	case 2:
3028 		reg = WM8994_AIF2_MASTER_SLAVE;
3029 		mask = WM8994_AIF2_TRI;
3030 		break;
3031 	default:
3032 		return -EINVAL;
3033 	}
3034 
3035 	if (tristate)
3036 		val = mask;
3037 	else
3038 		val = 0;
3039 
3040 	return snd_soc_update_bits(codec, reg, mask, val);
3041 }
3042 
3043 static int wm8994_aif2_probe(struct snd_soc_dai *dai)
3044 {
3045 	struct snd_soc_codec *codec = dai->codec;
3046 
3047 	/* Disable the pulls on the AIF if we're using it to save power. */
3048 	snd_soc_update_bits(codec, WM8994_GPIO_3,
3049 			    WM8994_GPN_PU | WM8994_GPN_PD, 0);
3050 	snd_soc_update_bits(codec, WM8994_GPIO_4,
3051 			    WM8994_GPN_PU | WM8994_GPN_PD, 0);
3052 	snd_soc_update_bits(codec, WM8994_GPIO_5,
3053 			    WM8994_GPN_PU | WM8994_GPN_PD, 0);
3054 
3055 	return 0;
3056 }
3057 
3058 #define WM8994_RATES SNDRV_PCM_RATE_8000_96000
3059 
3060 #define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
3061 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
3062 
3063 static const struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
3064 	.set_sysclk	= wm8994_set_dai_sysclk,
3065 	.set_fmt	= wm8994_set_dai_fmt,
3066 	.hw_params	= wm8994_hw_params,
3067 	.digital_mute	= wm8994_aif_mute,
3068 	.set_pll	= wm8994_set_fll,
3069 	.set_tristate	= wm8994_set_tristate,
3070 };
3071 
3072 static const struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
3073 	.set_sysclk	= wm8994_set_dai_sysclk,
3074 	.set_fmt	= wm8994_set_dai_fmt,
3075 	.hw_params	= wm8994_hw_params,
3076 	.digital_mute   = wm8994_aif_mute,
3077 	.set_pll	= wm8994_set_fll,
3078 	.set_tristate	= wm8994_set_tristate,
3079 };
3080 
3081 static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
3082 	.hw_params	= wm8994_aif3_hw_params,
3083 };
3084 
3085 static struct snd_soc_dai_driver wm8994_dai[] = {
3086 	{
3087 		.name = "wm8994-aif1",
3088 		.id = 1,
3089 		.playback = {
3090 			.stream_name = "AIF1 Playback",
3091 			.channels_min = 1,
3092 			.channels_max = 2,
3093 			.rates = WM8994_RATES,
3094 			.formats = WM8994_FORMATS,
3095 			.sig_bits = 24,
3096 		},
3097 		.capture = {
3098 			.stream_name = "AIF1 Capture",
3099 			.channels_min = 1,
3100 			.channels_max = 2,
3101 			.rates = WM8994_RATES,
3102 			.formats = WM8994_FORMATS,
3103 			.sig_bits = 24,
3104 		 },
3105 		.ops = &wm8994_aif1_dai_ops,
3106 	},
3107 	{
3108 		.name = "wm8994-aif2",
3109 		.id = 2,
3110 		.playback = {
3111 			.stream_name = "AIF2 Playback",
3112 			.channels_min = 1,
3113 			.channels_max = 2,
3114 			.rates = WM8994_RATES,
3115 			.formats = WM8994_FORMATS,
3116 			.sig_bits = 24,
3117 		},
3118 		.capture = {
3119 			.stream_name = "AIF2 Capture",
3120 			.channels_min = 1,
3121 			.channels_max = 2,
3122 			.rates = WM8994_RATES,
3123 			.formats = WM8994_FORMATS,
3124 			.sig_bits = 24,
3125 		},
3126 		.probe = wm8994_aif2_probe,
3127 		.ops = &wm8994_aif2_dai_ops,
3128 	},
3129 	{
3130 		.name = "wm8994-aif3",
3131 		.id = 3,
3132 		.playback = {
3133 			.stream_name = "AIF3 Playback",
3134 			.channels_min = 1,
3135 			.channels_max = 2,
3136 			.rates = WM8994_RATES,
3137 			.formats = WM8994_FORMATS,
3138 			.sig_bits = 24,
3139 		},
3140 		.capture = {
3141 			.stream_name = "AIF3 Capture",
3142 			.channels_min = 1,
3143 			.channels_max = 2,
3144 			.rates = WM8994_RATES,
3145 			.formats = WM8994_FORMATS,
3146 			.sig_bits = 24,
3147 		 },
3148 		.ops = &wm8994_aif3_dai_ops,
3149 	}
3150 };
3151 
3152 #ifdef CONFIG_PM
3153 static int wm8994_codec_suspend(struct snd_soc_codec *codec)
3154 {
3155 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3156 	int i, ret;
3157 
3158 	for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3159 		memcpy(&wm8994->fll_suspend[i], &wm8994->fll[i],
3160 		       sizeof(struct wm8994_fll_config));
3161 		ret = _wm8994_set_fll(codec, i + 1, 0, 0, 0);
3162 		if (ret < 0)
3163 			dev_warn(codec->dev, "Failed to stop FLL%d: %d\n",
3164 				 i + 1, ret);
3165 	}
3166 
3167 	snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
3168 
3169 	return 0;
3170 }
3171 
3172 static int wm8994_codec_resume(struct snd_soc_codec *codec)
3173 {
3174 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3175 	int i, ret;
3176 
3177 	for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3178 		if (!wm8994->fll_suspend[i].out)
3179 			continue;
3180 
3181 		ret = _wm8994_set_fll(codec, i + 1,
3182 				     wm8994->fll_suspend[i].src,
3183 				     wm8994->fll_suspend[i].in,
3184 				     wm8994->fll_suspend[i].out);
3185 		if (ret < 0)
3186 			dev_warn(codec->dev, "Failed to restore FLL%d: %d\n",
3187 				 i + 1, ret);
3188 	}
3189 
3190 	return 0;
3191 }
3192 #else
3193 #define wm8994_codec_suspend NULL
3194 #define wm8994_codec_resume NULL
3195 #endif
3196 
3197 static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
3198 {
3199 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3200 	struct wm8994 *control = wm8994->wm8994;
3201 	struct wm8994_pdata *pdata = &control->pdata;
3202 	struct snd_kcontrol_new controls[] = {
3203 		SOC_ENUM_EXT("AIF1.1 EQ Mode",
3204 			     wm8994->retune_mobile_enum,
3205 			     wm8994_get_retune_mobile_enum,
3206 			     wm8994_put_retune_mobile_enum),
3207 		SOC_ENUM_EXT("AIF1.2 EQ Mode",
3208 			     wm8994->retune_mobile_enum,
3209 			     wm8994_get_retune_mobile_enum,
3210 			     wm8994_put_retune_mobile_enum),
3211 		SOC_ENUM_EXT("AIF2 EQ Mode",
3212 			     wm8994->retune_mobile_enum,
3213 			     wm8994_get_retune_mobile_enum,
3214 			     wm8994_put_retune_mobile_enum),
3215 	};
3216 	int ret, i, j;
3217 	const char **t;
3218 
3219 	/* We need an array of texts for the enum API but the number
3220 	 * of texts is likely to be less than the number of
3221 	 * configurations due to the sample rate dependency of the
3222 	 * configurations. */
3223 	wm8994->num_retune_mobile_texts = 0;
3224 	wm8994->retune_mobile_texts = NULL;
3225 	for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
3226 		for (j = 0; j < wm8994->num_retune_mobile_texts; j++) {
3227 			if (strcmp(pdata->retune_mobile_cfgs[i].name,
3228 				   wm8994->retune_mobile_texts[j]) == 0)
3229 				break;
3230 		}
3231 
3232 		if (j != wm8994->num_retune_mobile_texts)
3233 			continue;
3234 
3235 		/* Expand the array... */
3236 		t = krealloc(wm8994->retune_mobile_texts,
3237 			     sizeof(char *) *
3238 			     (wm8994->num_retune_mobile_texts + 1),
3239 			     GFP_KERNEL);
3240 		if (t == NULL)
3241 			continue;
3242 
3243 		/* ...store the new entry... */
3244 		t[wm8994->num_retune_mobile_texts] =
3245 			pdata->retune_mobile_cfgs[i].name;
3246 
3247 		/* ...and remember the new version. */
3248 		wm8994->num_retune_mobile_texts++;
3249 		wm8994->retune_mobile_texts = t;
3250 	}
3251 
3252 	dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
3253 		wm8994->num_retune_mobile_texts);
3254 
3255 	wm8994->retune_mobile_enum.items = wm8994->num_retune_mobile_texts;
3256 	wm8994->retune_mobile_enum.texts = wm8994->retune_mobile_texts;
3257 
3258 	ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3259 				   ARRAY_SIZE(controls));
3260 	if (ret != 0)
3261 		dev_err(wm8994->hubs.codec->dev,
3262 			"Failed to add ReTune Mobile controls: %d\n", ret);
3263 }
3264 
3265 static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
3266 {
3267 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3268 	struct wm8994 *control = wm8994->wm8994;
3269 	struct wm8994_pdata *pdata = &control->pdata;
3270 	int ret, i;
3271 
3272 	if (!pdata)
3273 		return;
3274 
3275 	wm_hubs_handle_analogue_pdata(codec, pdata->lineout1_diff,
3276 				      pdata->lineout2_diff,
3277 				      pdata->lineout1fb,
3278 				      pdata->lineout2fb,
3279 				      pdata->jd_scthr,
3280 				      pdata->jd_thr,
3281 				      pdata->micb1_delay,
3282 				      pdata->micb2_delay,
3283 				      pdata->micbias1_lvl,
3284 				      pdata->micbias2_lvl);
3285 
3286 	dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
3287 
3288 	if (pdata->num_drc_cfgs) {
3289 		struct snd_kcontrol_new controls[] = {
3290 			SOC_ENUM_EXT("AIF1DRC1 Mode", wm8994->drc_enum,
3291 				     wm8994_get_drc_enum, wm8994_put_drc_enum),
3292 			SOC_ENUM_EXT("AIF1DRC2 Mode", wm8994->drc_enum,
3293 				     wm8994_get_drc_enum, wm8994_put_drc_enum),
3294 			SOC_ENUM_EXT("AIF2DRC Mode", wm8994->drc_enum,
3295 				     wm8994_get_drc_enum, wm8994_put_drc_enum),
3296 		};
3297 
3298 		/* We need an array of texts for the enum API */
3299 		wm8994->drc_texts = devm_kzalloc(wm8994->hubs.codec->dev,
3300 			    sizeof(char *) * pdata->num_drc_cfgs, GFP_KERNEL);
3301 		if (!wm8994->drc_texts)
3302 			return;
3303 
3304 		for (i = 0; i < pdata->num_drc_cfgs; i++)
3305 			wm8994->drc_texts[i] = pdata->drc_cfgs[i].name;
3306 
3307 		wm8994->drc_enum.items = pdata->num_drc_cfgs;
3308 		wm8994->drc_enum.texts = wm8994->drc_texts;
3309 
3310 		ret = snd_soc_add_codec_controls(wm8994->hubs.codec, controls,
3311 					   ARRAY_SIZE(controls));
3312 		for (i = 0; i < WM8994_NUM_DRC; i++)
3313 			wm8994_set_drc(codec, i);
3314 	} else {
3315 		ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
3316 						 wm8994_drc_controls,
3317 						 ARRAY_SIZE(wm8994_drc_controls));
3318 	}
3319 
3320 	if (ret != 0)
3321 		dev_err(wm8994->hubs.codec->dev,
3322 			"Failed to add DRC mode controls: %d\n", ret);
3323 
3324 
3325 	dev_dbg(codec->dev, "%d ReTune Mobile configurations\n",
3326 		pdata->num_retune_mobile_cfgs);
3327 
3328 	if (pdata->num_retune_mobile_cfgs)
3329 		wm8994_handle_retune_mobile_pdata(wm8994);
3330 	else
3331 		snd_soc_add_codec_controls(wm8994->hubs.codec, wm8994_eq_controls,
3332 				     ARRAY_SIZE(wm8994_eq_controls));
3333 
3334 	for (i = 0; i < ARRAY_SIZE(pdata->micbias); i++) {
3335 		if (pdata->micbias[i]) {
3336 			snd_soc_write(codec, WM8958_MICBIAS1 + i,
3337 				pdata->micbias[i] & 0xffff);
3338 		}
3339 	}
3340 }
3341 
3342 /**
3343  * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ
3344  *
3345  * @codec:   WM8994 codec
3346  * @jack:    jack to report detection events on
3347  * @micbias: microphone bias to detect on
3348  *
3349  * Enable microphone detection via IRQ on the WM8994.  If GPIOs are
3350  * being used to bring out signals to the processor then only platform
3351  * data configuration is needed for WM8994 and processor GPIOs should
3352  * be configured using snd_soc_jack_add_gpios() instead.
3353  *
3354  * Configuration of detection levels is available via the micbias1_lvl
3355  * and micbias2_lvl platform data members.
3356  */
3357 int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3358 		      int micbias)
3359 {
3360 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3361 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3362 	struct wm8994_micdet *micdet;
3363 	struct wm8994 *control = wm8994->wm8994;
3364 	int reg, ret;
3365 
3366 	if (control->type != WM8994) {
3367 		dev_warn(codec->dev, "Not a WM8994\n");
3368 		return -EINVAL;
3369 	}
3370 
3371 	switch (micbias) {
3372 	case 1:
3373 		micdet = &wm8994->micdet[0];
3374 		if (jack)
3375 			ret = snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
3376 		else
3377 			ret = snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
3378 		break;
3379 	case 2:
3380 		micdet = &wm8994->micdet[1];
3381 		if (jack)
3382 			ret = snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
3383 		else
3384 			ret = snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
3385 		break;
3386 	default:
3387 		dev_warn(codec->dev, "Invalid MICBIAS %d\n", micbias);
3388 		return -EINVAL;
3389 	}
3390 
3391 	if (ret != 0)
3392 		dev_warn(codec->dev, "Failed to configure MICBIAS%d: %d\n",
3393 			 micbias, ret);
3394 
3395 	dev_dbg(codec->dev, "Configuring microphone detection on %d %p\n",
3396 		micbias, jack);
3397 
3398 	/* Store the configuration */
3399 	micdet->jack = jack;
3400 	micdet->detecting = true;
3401 
3402 	/* If either of the jacks is set up then enable detection */
3403 	if (wm8994->micdet[0].jack || wm8994->micdet[1].jack)
3404 		reg = WM8994_MICD_ENA;
3405 	else
3406 		reg = 0;
3407 
3408 	snd_soc_update_bits(codec, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
3409 
3410 	/* enable MICDET and MICSHRT deboune */
3411 	snd_soc_update_bits(codec, WM8994_IRQ_DEBOUNCE,
3412 			    WM8994_MIC1_DET_DB_MASK | WM8994_MIC1_SHRT_DB_MASK |
3413 			    WM8994_MIC2_DET_DB_MASK | WM8994_MIC2_SHRT_DB_MASK,
3414 			    WM8994_MIC1_DET_DB | WM8994_MIC1_SHRT_DB);
3415 
3416 	snd_soc_dapm_sync(dapm);
3417 
3418 	return 0;
3419 }
3420 EXPORT_SYMBOL_GPL(wm8994_mic_detect);
3421 
3422 static void wm8994_mic_work(struct work_struct *work)
3423 {
3424 	struct wm8994_priv *priv = container_of(work,
3425 						struct wm8994_priv,
3426 						mic_work.work);
3427 	struct regmap *regmap = priv->wm8994->regmap;
3428 	struct device *dev = priv->wm8994->dev;
3429 	unsigned int reg;
3430 	int ret;
3431 	int report;
3432 
3433 	pm_runtime_get_sync(dev);
3434 
3435 	ret = regmap_read(regmap, WM8994_INTERRUPT_RAW_STATUS_2, &reg);
3436 	if (ret < 0) {
3437 		dev_err(dev, "Failed to read microphone status: %d\n",
3438 			ret);
3439 		pm_runtime_put(dev);
3440 		return;
3441 	}
3442 
3443 	dev_dbg(dev, "Microphone status: %x\n", reg);
3444 
3445 	report = 0;
3446 	if (reg & WM8994_MIC1_DET_STS) {
3447 		if (priv->micdet[0].detecting)
3448 			report = SND_JACK_HEADSET;
3449 	}
3450 	if (reg & WM8994_MIC1_SHRT_STS) {
3451 		if (priv->micdet[0].detecting)
3452 			report = SND_JACK_HEADPHONE;
3453 		else
3454 			report |= SND_JACK_BTN_0;
3455 	}
3456 	if (report)
3457 		priv->micdet[0].detecting = false;
3458 	else
3459 		priv->micdet[0].detecting = true;
3460 
3461 	snd_soc_jack_report(priv->micdet[0].jack, report,
3462 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
3463 
3464 	report = 0;
3465 	if (reg & WM8994_MIC2_DET_STS) {
3466 		if (priv->micdet[1].detecting)
3467 			report = SND_JACK_HEADSET;
3468 	}
3469 	if (reg & WM8994_MIC2_SHRT_STS) {
3470 		if (priv->micdet[1].detecting)
3471 			report = SND_JACK_HEADPHONE;
3472 		else
3473 			report |= SND_JACK_BTN_0;
3474 	}
3475 	if (report)
3476 		priv->micdet[1].detecting = false;
3477 	else
3478 		priv->micdet[1].detecting = true;
3479 
3480 	snd_soc_jack_report(priv->micdet[1].jack, report,
3481 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
3482 
3483 	pm_runtime_put(dev);
3484 }
3485 
3486 static irqreturn_t wm8994_mic_irq(int irq, void *data)
3487 {
3488 	struct wm8994_priv *priv = data;
3489 	struct snd_soc_codec *codec = priv->hubs.codec;
3490 
3491 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3492 	trace_snd_soc_jack_irq(dev_name(codec->dev));
3493 #endif
3494 
3495 	pm_wakeup_event(codec->dev, 300);
3496 
3497 	queue_delayed_work(system_power_efficient_wq,
3498 			   &priv->mic_work, msecs_to_jiffies(250));
3499 
3500 	return IRQ_HANDLED;
3501 }
3502 
3503 /* Should be called with accdet_lock held */
3504 static void wm1811_micd_stop(struct snd_soc_codec *codec)
3505 {
3506 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3507 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3508 
3509 	if (!wm8994->jackdet)
3510 		return;
3511 
3512 	snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0);
3513 
3514 	wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3515 
3516 	if (wm8994->wm8994->pdata.jd_ext_cap)
3517 		snd_soc_dapm_disable_pin(dapm, "MICBIAS2");
3518 }
3519 
3520 static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
3521 {
3522 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3523 	int report;
3524 
3525 	report = 0;
3526 	if (status & 0x4)
3527 		report |= SND_JACK_BTN_0;
3528 
3529 	if (status & 0x8)
3530 		report |= SND_JACK_BTN_1;
3531 
3532 	if (status & 0x10)
3533 		report |= SND_JACK_BTN_2;
3534 
3535 	if (status & 0x20)
3536 		report |= SND_JACK_BTN_3;
3537 
3538 	if (status & 0x40)
3539 		report |= SND_JACK_BTN_4;
3540 
3541 	if (status & 0x80)
3542 		report |= SND_JACK_BTN_5;
3543 
3544 	snd_soc_jack_report(wm8994->micdet[0].jack, report,
3545 			    wm8994->btn_mask);
3546 }
3547 
3548 static void wm8958_open_circuit_work(struct work_struct *work)
3549 {
3550 	struct wm8994_priv *wm8994 = container_of(work,
3551 						  struct wm8994_priv,
3552 						  open_circuit_work.work);
3553 	struct device *dev = wm8994->wm8994->dev;
3554 
3555 	mutex_lock(&wm8994->accdet_lock);
3556 
3557 	wm1811_micd_stop(wm8994->hubs.codec);
3558 
3559 	dev_dbg(dev, "Reporting open circuit\n");
3560 
3561 	wm8994->jack_mic = false;
3562 	wm8994->mic_detecting = true;
3563 
3564 	wm8958_micd_set_rate(wm8994->hubs.codec);
3565 
3566 	snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3567 			    wm8994->btn_mask |
3568 			    SND_JACK_HEADSET);
3569 
3570 	mutex_unlock(&wm8994->accdet_lock);
3571 }
3572 
3573 static void wm8958_mic_id(void *data, u16 status)
3574 {
3575 	struct snd_soc_codec *codec = data;
3576 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3577 
3578 	/* Either nothing present or just starting detection */
3579 	if (!(status & WM8958_MICD_STS)) {
3580 		/* If nothing present then clear our statuses */
3581 		dev_dbg(codec->dev, "Detected open circuit\n");
3582 
3583 		queue_delayed_work(system_power_efficient_wq,
3584 				   &wm8994->open_circuit_work,
3585 				   msecs_to_jiffies(2500));
3586 		return;
3587 	}
3588 
3589 	/* If the measurement is showing a high impedence we've got a
3590 	 * microphone.
3591 	 */
3592 	if (status & 0x600) {
3593 		dev_dbg(codec->dev, "Detected microphone\n");
3594 
3595 		wm8994->mic_detecting = false;
3596 		wm8994->jack_mic = true;
3597 
3598 		wm8958_micd_set_rate(codec);
3599 
3600 		snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET,
3601 				    SND_JACK_HEADSET);
3602 	}
3603 
3604 
3605 	if (status & 0xfc) {
3606 		dev_dbg(codec->dev, "Detected headphone\n");
3607 		wm8994->mic_detecting = false;
3608 
3609 		wm8958_micd_set_rate(codec);
3610 
3611 		/* If we have jackdet that will detect removal */
3612 		wm1811_micd_stop(codec);
3613 
3614 		snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
3615 				    SND_JACK_HEADSET);
3616 	}
3617 }
3618 
3619 /* Deferred mic detection to allow for extra settling time */
3620 static void wm1811_mic_work(struct work_struct *work)
3621 {
3622 	struct wm8994_priv *wm8994 = container_of(work, struct wm8994_priv,
3623 						  mic_work.work);
3624 	struct wm8994 *control = wm8994->wm8994;
3625 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3626 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3627 
3628 	pm_runtime_get_sync(codec->dev);
3629 
3630 	/* If required for an external cap force MICBIAS on */
3631 	if (control->pdata.jd_ext_cap) {
3632 		snd_soc_dapm_force_enable_pin(dapm, "MICBIAS2");
3633 		snd_soc_dapm_sync(dapm);
3634 	}
3635 
3636 	mutex_lock(&wm8994->accdet_lock);
3637 
3638 	dev_dbg(codec->dev, "Starting mic detection\n");
3639 
3640 	/* Use a user-supplied callback if we have one */
3641 	if (wm8994->micd_cb) {
3642 		wm8994->micd_cb(wm8994->micd_cb_data);
3643 	} else {
3644 		/*
3645 		 * Start off measument of microphone impedence to find out
3646 		 * what's actually there.
3647 		 */
3648 		wm8994->mic_detecting = true;
3649 		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_MIC);
3650 
3651 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3652 				    WM8958_MICD_ENA, WM8958_MICD_ENA);
3653 	}
3654 
3655 	mutex_unlock(&wm8994->accdet_lock);
3656 
3657 	pm_runtime_put(codec->dev);
3658 }
3659 
3660 static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
3661 {
3662 	struct wm8994_priv *wm8994 = data;
3663 	struct wm8994 *control = wm8994->wm8994;
3664 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3665 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3666 	int reg, delay;
3667 	bool present;
3668 
3669 	pm_runtime_get_sync(codec->dev);
3670 
3671 	cancel_delayed_work_sync(&wm8994->mic_complete_work);
3672 
3673 	mutex_lock(&wm8994->accdet_lock);
3674 
3675 	reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3676 	if (reg < 0) {
3677 		dev_err(codec->dev, "Failed to read jack status: %d\n", reg);
3678 		mutex_unlock(&wm8994->accdet_lock);
3679 		pm_runtime_put(codec->dev);
3680 		return IRQ_NONE;
3681 	}
3682 
3683 	dev_dbg(codec->dev, "JACKDET %x\n", reg);
3684 
3685 	present = reg & WM1811_JACKDET_LVL;
3686 
3687 	if (present) {
3688 		dev_dbg(codec->dev, "Jack detected\n");
3689 
3690 		wm8958_micd_set_rate(codec);
3691 
3692 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
3693 				    WM8958_MICB2_DISCH, 0);
3694 
3695 		/* Disable debounce while inserted */
3696 		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3697 				    WM1811_JACKDET_DB, 0);
3698 
3699 		delay = control->pdata.micdet_delay;
3700 		queue_delayed_work(system_power_efficient_wq,
3701 				   &wm8994->mic_work,
3702 				   msecs_to_jiffies(delay));
3703 	} else {
3704 		dev_dbg(codec->dev, "Jack not detected\n");
3705 
3706 		cancel_delayed_work_sync(&wm8994->mic_work);
3707 
3708 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
3709 				    WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
3710 
3711 		/* Enable debounce while removed */
3712 		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3713 				    WM1811_JACKDET_DB, WM1811_JACKDET_DB);
3714 
3715 		wm8994->mic_detecting = false;
3716 		wm8994->jack_mic = false;
3717 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3718 				    WM8958_MICD_ENA, 0);
3719 		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
3720 	}
3721 
3722 	mutex_unlock(&wm8994->accdet_lock);
3723 
3724 	/* Turn off MICBIAS if it was on for an external cap */
3725 	if (control->pdata.jd_ext_cap && !present)
3726 		snd_soc_dapm_disable_pin(dapm, "MICBIAS2");
3727 
3728 	if (present)
3729 		snd_soc_jack_report(wm8994->micdet[0].jack,
3730 				    SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
3731 	else
3732 		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3733 				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3734 				    wm8994->btn_mask);
3735 
3736 	/* Since we only report deltas force an update, ensures we
3737 	 * avoid bootstrapping issues with the core. */
3738 	snd_soc_jack_report(wm8994->micdet[0].jack, 0, 0);
3739 
3740 	pm_runtime_put(codec->dev);
3741 	return IRQ_HANDLED;
3742 }
3743 
3744 static void wm1811_jackdet_bootstrap(struct work_struct *work)
3745 {
3746 	struct wm8994_priv *wm8994 = container_of(work,
3747 						struct wm8994_priv,
3748 						jackdet_bootstrap.work);
3749 	wm1811_jackdet_irq(0, wm8994);
3750 }
3751 
3752 /**
3753  * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ
3754  *
3755  * @codec:   WM8958 codec
3756  * @jack:    jack to report detection events on
3757  *
3758  * Enable microphone detection functionality for the WM8958.  By
3759  * default simple detection which supports the detection of up to 6
3760  * buttons plus video and microphone functionality is supported.
3761  *
3762  * The WM8958 has an advanced jack detection facility which is able to
3763  * support complex accessory detection, especially when used in
3764  * conjunction with external circuitry.  In order to provide maximum
3765  * flexiblity a callback is provided which allows a completely custom
3766  * detection algorithm.
3767  */
3768 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
3769 		      wm1811_micdet_cb det_cb, void *det_cb_data,
3770 		      wm1811_mic_id_cb id_cb, void *id_cb_data)
3771 {
3772 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3773 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3774 	struct wm8994 *control = wm8994->wm8994;
3775 	u16 micd_lvl_sel;
3776 
3777 	switch (control->type) {
3778 	case WM1811:
3779 	case WM8958:
3780 		break;
3781 	default:
3782 		return -EINVAL;
3783 	}
3784 
3785 	if (jack) {
3786 		snd_soc_dapm_force_enable_pin(dapm, "CLK_SYS");
3787 		snd_soc_dapm_sync(dapm);
3788 
3789 		wm8994->micdet[0].jack = jack;
3790 
3791 		if (det_cb) {
3792 			wm8994->micd_cb = det_cb;
3793 			wm8994->micd_cb_data = det_cb_data;
3794 		} else {
3795 			wm8994->mic_detecting = true;
3796 			wm8994->jack_mic = false;
3797 		}
3798 
3799 		if (id_cb) {
3800 			wm8994->mic_id_cb = id_cb;
3801 			wm8994->mic_id_cb_data = id_cb_data;
3802 		} else {
3803 			wm8994->mic_id_cb = wm8958_mic_id;
3804 			wm8994->mic_id_cb_data = codec;
3805 		}
3806 
3807 		wm8958_micd_set_rate(codec);
3808 
3809 		/* Detect microphones and short circuits by default */
3810 		if (control->pdata.micd_lvl_sel)
3811 			micd_lvl_sel = control->pdata.micd_lvl_sel;
3812 		else
3813 			micd_lvl_sel = 0x41;
3814 
3815 		wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
3816 			SND_JACK_BTN_2 | SND_JACK_BTN_3 |
3817 			SND_JACK_BTN_4 | SND_JACK_BTN_5;
3818 
3819 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_2,
3820 				    WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
3821 
3822 		WARN_ON(snd_soc_codec_get_bias_level(codec) > SND_SOC_BIAS_STANDBY);
3823 
3824 		/*
3825 		 * If we can use jack detection start off with that,
3826 		 * otherwise jump straight to microphone detection.
3827 		 */
3828 		if (wm8994->jackdet) {
3829 			/* Disable debounce for the initial detect */
3830 			snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
3831 					    WM1811_JACKDET_DB, 0);
3832 
3833 			snd_soc_update_bits(codec, WM8958_MICBIAS2,
3834 					    WM8958_MICB2_DISCH,
3835 					    WM8958_MICB2_DISCH);
3836 			snd_soc_update_bits(codec, WM8994_LDO_1,
3837 					    WM8994_LDO1_DISCH, 0);
3838 			wm1811_jackdet_set_mode(codec,
3839 						WM1811_JACKDET_MODE_JACK);
3840 		} else {
3841 			snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3842 					    WM8958_MICD_ENA, WM8958_MICD_ENA);
3843 		}
3844 
3845 	} else {
3846 		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
3847 				    WM8958_MICD_ENA, 0);
3848 		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_NONE);
3849 		snd_soc_dapm_disable_pin(dapm, "CLK_SYS");
3850 		snd_soc_dapm_sync(dapm);
3851 	}
3852 
3853 	return 0;
3854 }
3855 EXPORT_SYMBOL_GPL(wm8958_mic_detect);
3856 
3857 static void wm8958_mic_work(struct work_struct *work)
3858 {
3859 	struct wm8994_priv *wm8994 = container_of(work,
3860 						  struct wm8994_priv,
3861 						  mic_complete_work.work);
3862 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3863 
3864 	pm_runtime_get_sync(codec->dev);
3865 
3866 	mutex_lock(&wm8994->accdet_lock);
3867 
3868 	wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
3869 
3870 	mutex_unlock(&wm8994->accdet_lock);
3871 
3872 	pm_runtime_put(codec->dev);
3873 }
3874 
3875 static irqreturn_t wm8958_mic_irq(int irq, void *data)
3876 {
3877 	struct wm8994_priv *wm8994 = data;
3878 	struct snd_soc_codec *codec = wm8994->hubs.codec;
3879 	int reg, count, ret, id_delay;
3880 
3881 	/*
3882 	 * Jack detection may have detected a removal simulataneously
3883 	 * with an update of the MICDET status; if so it will have
3884 	 * stopped detection and we can ignore this interrupt.
3885 	 */
3886 	if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
3887 		return IRQ_HANDLED;
3888 
3889 	cancel_delayed_work_sync(&wm8994->mic_complete_work);
3890 	cancel_delayed_work_sync(&wm8994->open_circuit_work);
3891 
3892 	pm_runtime_get_sync(codec->dev);
3893 
3894 	/* We may occasionally read a detection without an impedence
3895 	 * range being provided - if that happens loop again.
3896 	 */
3897 	count = 10;
3898 	do {
3899 		reg = snd_soc_read(codec, WM8958_MIC_DETECT_3);
3900 		if (reg < 0) {
3901 			dev_err(codec->dev,
3902 				"Failed to read mic detect status: %d\n",
3903 				reg);
3904 			pm_runtime_put(codec->dev);
3905 			return IRQ_NONE;
3906 		}
3907 
3908 		if (!(reg & WM8958_MICD_VALID)) {
3909 			dev_dbg(codec->dev, "Mic detect data not valid\n");
3910 			goto out;
3911 		}
3912 
3913 		if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
3914 			break;
3915 
3916 		msleep(1);
3917 	} while (count--);
3918 
3919 	if (count == 0)
3920 		dev_warn(codec->dev, "No impedance range reported for jack\n");
3921 
3922 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3923 	trace_snd_soc_jack_irq(dev_name(codec->dev));
3924 #endif
3925 
3926 	/* Avoid a transient report when the accessory is being removed */
3927 	if (wm8994->jackdet) {
3928 		ret = snd_soc_read(codec, WM1811_JACKDET_CTRL);
3929 		if (ret < 0) {
3930 			dev_err(codec->dev, "Failed to read jack status: %d\n",
3931 				ret);
3932 		} else if (!(ret & WM1811_JACKDET_LVL)) {
3933 			dev_dbg(codec->dev, "Ignoring removed jack\n");
3934 			goto out;
3935 		}
3936 	} else if (!(reg & WM8958_MICD_STS)) {
3937 		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3938 				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3939 				    wm8994->btn_mask);
3940 		wm8994->mic_detecting = true;
3941 		goto out;
3942 	}
3943 
3944 	wm8994->mic_status = reg;
3945 	id_delay = wm8994->wm8994->pdata.mic_id_delay;
3946 
3947 	if (wm8994->mic_detecting)
3948 		queue_delayed_work(system_power_efficient_wq,
3949 				   &wm8994->mic_complete_work,
3950 				   msecs_to_jiffies(id_delay));
3951 	else
3952 		wm8958_button_det(codec, reg);
3953 
3954 out:
3955 	pm_runtime_put(codec->dev);
3956 	return IRQ_HANDLED;
3957 }
3958 
3959 static irqreturn_t wm8994_fifo_error(int irq, void *data)
3960 {
3961 	struct snd_soc_codec *codec = data;
3962 
3963 	dev_err(codec->dev, "FIFO error\n");
3964 
3965 	return IRQ_HANDLED;
3966 }
3967 
3968 static irqreturn_t wm8994_temp_warn(int irq, void *data)
3969 {
3970 	struct snd_soc_codec *codec = data;
3971 
3972 	dev_err(codec->dev, "Thermal warning\n");
3973 
3974 	return IRQ_HANDLED;
3975 }
3976 
3977 static irqreturn_t wm8994_temp_shut(int irq, void *data)
3978 {
3979 	struct snd_soc_codec *codec = data;
3980 
3981 	dev_crit(codec->dev, "Thermal shutdown\n");
3982 
3983 	return IRQ_HANDLED;
3984 }
3985 
3986 static int wm8994_codec_probe(struct snd_soc_codec *codec)
3987 {
3988 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
3989 	struct wm8994 *control = dev_get_drvdata(codec->dev->parent);
3990 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
3991 	unsigned int reg;
3992 	int ret, i;
3993 
3994 	wm8994->hubs.codec = codec;
3995 
3996 	mutex_init(&wm8994->accdet_lock);
3997 	INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
3998 			  wm1811_jackdet_bootstrap);
3999 	INIT_DELAYED_WORK(&wm8994->open_circuit_work,
4000 			  wm8958_open_circuit_work);
4001 
4002 	switch (control->type) {
4003 	case WM8994:
4004 		INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
4005 		break;
4006 	case WM1811:
4007 		INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
4008 		break;
4009 	default:
4010 		break;
4011 	}
4012 
4013 	INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
4014 
4015 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4016 		init_completion(&wm8994->fll_locked[i]);
4017 
4018 	wm8994->micdet_irq = control->pdata.micdet_irq;
4019 
4020 	/* By default use idle_bias_off, will override for WM8994 */
4021 	dapm->idle_bias_off = 1;
4022 
4023 	/* Set revision-specific configuration */
4024 	switch (control->type) {
4025 	case WM8994:
4026 		/* Single ended line outputs should have VMID on. */
4027 		if (!control->pdata.lineout1_diff ||
4028 		    !control->pdata.lineout2_diff)
4029 			dapm->idle_bias_off = 0;
4030 
4031 		switch (control->revision) {
4032 		case 2:
4033 		case 3:
4034 			wm8994->hubs.dcs_codes_l = -5;
4035 			wm8994->hubs.dcs_codes_r = -5;
4036 			wm8994->hubs.hp_startup_mode = 1;
4037 			wm8994->hubs.dcs_readback_mode = 1;
4038 			wm8994->hubs.series_startup = 1;
4039 			break;
4040 		default:
4041 			wm8994->hubs.dcs_readback_mode = 2;
4042 			break;
4043 		}
4044 		break;
4045 
4046 	case WM8958:
4047 		wm8994->hubs.dcs_readback_mode = 1;
4048 		wm8994->hubs.hp_startup_mode = 1;
4049 
4050 		switch (control->revision) {
4051 		case 0:
4052 			break;
4053 		default:
4054 			wm8994->fll_byp = true;
4055 			break;
4056 		}
4057 		break;
4058 
4059 	case WM1811:
4060 		wm8994->hubs.dcs_readback_mode = 2;
4061 		wm8994->hubs.no_series_update = 1;
4062 		wm8994->hubs.hp_startup_mode = 1;
4063 		wm8994->hubs.no_cache_dac_hp_direct = true;
4064 		wm8994->fll_byp = true;
4065 
4066 		wm8994->hubs.dcs_codes_l = -9;
4067 		wm8994->hubs.dcs_codes_r = -7;
4068 
4069 		snd_soc_update_bits(codec, WM8994_ANALOGUE_HP_1,
4070 				    WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
4071 		break;
4072 
4073 	default:
4074 		break;
4075 	}
4076 
4077 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR,
4078 			   wm8994_fifo_error, "FIFO error", codec);
4079 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
4080 			   wm8994_temp_warn, "Thermal warning", codec);
4081 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
4082 			   wm8994_temp_shut, "Thermal shutdown", codec);
4083 
4084 	switch (control->type) {
4085 	case WM8994:
4086 		if (wm8994->micdet_irq)
4087 			ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4088 						   wm8994_mic_irq,
4089 						   IRQF_TRIGGER_RISING |
4090 						   IRQF_ONESHOT,
4091 						   "Mic1 detect",
4092 						   wm8994);
4093 		 else
4094 			ret = wm8994_request_irq(wm8994->wm8994,
4095 					WM8994_IRQ_MIC1_DET,
4096 					wm8994_mic_irq, "Mic 1 detect",
4097 					wm8994);
4098 
4099 		if (ret != 0)
4100 			dev_warn(codec->dev,
4101 				 "Failed to request Mic1 detect IRQ: %d\n",
4102 				 ret);
4103 
4104 
4105 		ret = wm8994_request_irq(wm8994->wm8994,
4106 					 WM8994_IRQ_MIC1_SHRT,
4107 					 wm8994_mic_irq, "Mic 1 short",
4108 					 wm8994);
4109 		if (ret != 0)
4110 			dev_warn(codec->dev,
4111 				 "Failed to request Mic1 short IRQ: %d\n",
4112 				 ret);
4113 
4114 		ret = wm8994_request_irq(wm8994->wm8994,
4115 					 WM8994_IRQ_MIC2_DET,
4116 					 wm8994_mic_irq, "Mic 2 detect",
4117 					 wm8994);
4118 		if (ret != 0)
4119 			dev_warn(codec->dev,
4120 				 "Failed to request Mic2 detect IRQ: %d\n",
4121 				 ret);
4122 
4123 		ret = wm8994_request_irq(wm8994->wm8994,
4124 					 WM8994_IRQ_MIC2_SHRT,
4125 					 wm8994_mic_irq, "Mic 2 short",
4126 					 wm8994);
4127 		if (ret != 0)
4128 			dev_warn(codec->dev,
4129 				 "Failed to request Mic2 short IRQ: %d\n",
4130 				 ret);
4131 		break;
4132 
4133 	case WM8958:
4134 	case WM1811:
4135 		if (wm8994->micdet_irq) {
4136 			ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4137 						   wm8958_mic_irq,
4138 						   IRQF_TRIGGER_RISING |
4139 						   IRQF_ONESHOT,
4140 						   "Mic detect",
4141 						   wm8994);
4142 			if (ret != 0)
4143 				dev_warn(codec->dev,
4144 					 "Failed to request Mic detect IRQ: %d\n",
4145 					 ret);
4146 		} else {
4147 			wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4148 					   wm8958_mic_irq, "Mic detect",
4149 					   wm8994);
4150 		}
4151 	}
4152 
4153 	switch (control->type) {
4154 	case WM1811:
4155 		if (control->cust_id > 1 || control->revision > 1) {
4156 			ret = wm8994_request_irq(wm8994->wm8994,
4157 						 WM8994_IRQ_GPIO(6),
4158 						 wm1811_jackdet_irq, "JACKDET",
4159 						 wm8994);
4160 			if (ret == 0)
4161 				wm8994->jackdet = true;
4162 		}
4163 		break;
4164 	default:
4165 		break;
4166 	}
4167 
4168 	wm8994->fll_locked_irq = true;
4169 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
4170 		ret = wm8994_request_irq(wm8994->wm8994,
4171 					 WM8994_IRQ_FLL1_LOCK + i,
4172 					 wm8994_fll_locked_irq, "FLL lock",
4173 					 &wm8994->fll_locked[i]);
4174 		if (ret != 0)
4175 			wm8994->fll_locked_irq = false;
4176 	}
4177 
4178 	/* Make sure we can read from the GPIOs if they're inputs */
4179 	pm_runtime_get_sync(codec->dev);
4180 
4181 	/* Remember if AIFnLRCLK is configured as a GPIO.  This should be
4182 	 * configured on init - if a system wants to do this dynamically
4183 	 * at runtime we can deal with that then.
4184 	 */
4185 	ret = regmap_read(control->regmap, WM8994_GPIO_1, &reg);
4186 	if (ret < 0) {
4187 		dev_err(codec->dev, "Failed to read GPIO1 state: %d\n", ret);
4188 		goto err_irq;
4189 	}
4190 	if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4191 		wm8994->lrclk_shared[0] = 1;
4192 		wm8994_dai[0].symmetric_rates = 1;
4193 	} else {
4194 		wm8994->lrclk_shared[0] = 0;
4195 	}
4196 
4197 	ret = regmap_read(control->regmap, WM8994_GPIO_6, &reg);
4198 	if (ret < 0) {
4199 		dev_err(codec->dev, "Failed to read GPIO6 state: %d\n", ret);
4200 		goto err_irq;
4201 	}
4202 	if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4203 		wm8994->lrclk_shared[1] = 1;
4204 		wm8994_dai[1].symmetric_rates = 1;
4205 	} else {
4206 		wm8994->lrclk_shared[1] = 0;
4207 	}
4208 
4209 	pm_runtime_put(codec->dev);
4210 
4211 	/* Latch volume update bits */
4212 	for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
4213 		snd_soc_update_bits(codec, wm8994_vu_bits[i].reg,
4214 				    wm8994_vu_bits[i].mask,
4215 				    wm8994_vu_bits[i].mask);
4216 
4217 	/* Set the low bit of the 3D stereo depth so TLV matches */
4218 	snd_soc_update_bits(codec, WM8994_AIF1_DAC1_FILTERS_2,
4219 			    1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT,
4220 			    1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT);
4221 	snd_soc_update_bits(codec, WM8994_AIF1_DAC2_FILTERS_2,
4222 			    1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT,
4223 			    1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT);
4224 	snd_soc_update_bits(codec, WM8994_AIF2_DAC_FILTERS_2,
4225 			    1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
4226 			    1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
4227 
4228 	/* Unconditionally enable AIF1 ADC TDM mode on chips which can
4229 	 * use this; it only affects behaviour on idle TDM clock
4230 	 * cycles. */
4231 	switch (control->type) {
4232 	case WM8994:
4233 	case WM8958:
4234 		snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
4235 				    WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
4236 		break;
4237 	default:
4238 		break;
4239 	}
4240 
4241 	/* Put MICBIAS into bypass mode by default on newer devices */
4242 	switch (control->type) {
4243 	case WM8958:
4244 	case WM1811:
4245 		snd_soc_update_bits(codec, WM8958_MICBIAS1,
4246 				    WM8958_MICB1_MODE, WM8958_MICB1_MODE);
4247 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
4248 				    WM8958_MICB2_MODE, WM8958_MICB2_MODE);
4249 		break;
4250 	default:
4251 		break;
4252 	}
4253 
4254 	wm8994->hubs.check_class_w_digital = wm8994_check_class_w_digital;
4255 	wm_hubs_update_class_w(codec);
4256 
4257 	wm8994_handle_pdata(wm8994);
4258 
4259 	wm_hubs_add_analogue_controls(codec);
4260 	snd_soc_add_codec_controls(codec, wm8994_snd_controls,
4261 			     ARRAY_SIZE(wm8994_snd_controls));
4262 	snd_soc_dapm_new_controls(dapm, wm8994_dapm_widgets,
4263 				  ARRAY_SIZE(wm8994_dapm_widgets));
4264 
4265 	switch (control->type) {
4266 	case WM8994:
4267 		snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
4268 					  ARRAY_SIZE(wm8994_specific_dapm_widgets));
4269 		if (control->revision < 4) {
4270 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4271 						  ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4272 			snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4273 						  ARRAY_SIZE(wm8994_adc_revd_widgets));
4274 			snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4275 						  ARRAY_SIZE(wm8994_dac_revd_widgets));
4276 		} else {
4277 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4278 						  ARRAY_SIZE(wm8994_lateclk_widgets));
4279 			snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4280 						  ARRAY_SIZE(wm8994_adc_widgets));
4281 			snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4282 						  ARRAY_SIZE(wm8994_dac_widgets));
4283 		}
4284 		break;
4285 	case WM8958:
4286 		snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4287 				     ARRAY_SIZE(wm8958_snd_controls));
4288 		snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4289 					  ARRAY_SIZE(wm8958_dapm_widgets));
4290 		if (control->revision < 1) {
4291 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4292 						  ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4293 			snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4294 						  ARRAY_SIZE(wm8994_adc_revd_widgets));
4295 			snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4296 						  ARRAY_SIZE(wm8994_dac_revd_widgets));
4297 		} else {
4298 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4299 						  ARRAY_SIZE(wm8994_lateclk_widgets));
4300 			snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4301 						  ARRAY_SIZE(wm8994_adc_widgets));
4302 			snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4303 						  ARRAY_SIZE(wm8994_dac_widgets));
4304 		}
4305 		break;
4306 
4307 	case WM1811:
4308 		snd_soc_add_codec_controls(codec, wm8958_snd_controls,
4309 				     ARRAY_SIZE(wm8958_snd_controls));
4310 		snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4311 					  ARRAY_SIZE(wm8958_dapm_widgets));
4312 		snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4313 					  ARRAY_SIZE(wm8994_lateclk_widgets));
4314 		snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4315 					  ARRAY_SIZE(wm8994_adc_widgets));
4316 		snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4317 					  ARRAY_SIZE(wm8994_dac_widgets));
4318 		break;
4319 	}
4320 
4321 	wm_hubs_add_analogue_routes(codec, 0, 0);
4322 	ret = wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4323 				 wm_hubs_dcs_done, "DC servo done",
4324 				 &wm8994->hubs);
4325 	if (ret == 0)
4326 		wm8994->hubs.dcs_done_irq = true;
4327 	snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
4328 
4329 	switch (control->type) {
4330 	case WM8994:
4331 		snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4332 					ARRAY_SIZE(wm8994_intercon));
4333 
4334 		if (control->revision < 4) {
4335 			snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4336 						ARRAY_SIZE(wm8994_revd_intercon));
4337 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4338 						ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4339 		} else {
4340 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4341 						ARRAY_SIZE(wm8994_lateclk_intercon));
4342 		}
4343 		break;
4344 	case WM8958:
4345 		if (control->revision < 1) {
4346 			snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4347 						ARRAY_SIZE(wm8994_intercon));
4348 			snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4349 						ARRAY_SIZE(wm8994_revd_intercon));
4350 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4351 						ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4352 		} else {
4353 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4354 						ARRAY_SIZE(wm8994_lateclk_intercon));
4355 			snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4356 						ARRAY_SIZE(wm8958_intercon));
4357 		}
4358 
4359 		wm8958_dsp2_init(codec);
4360 		break;
4361 	case WM1811:
4362 		snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4363 					ARRAY_SIZE(wm8994_lateclk_intercon));
4364 		snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4365 					ARRAY_SIZE(wm8958_intercon));
4366 		break;
4367 	}
4368 
4369 	return 0;
4370 
4371 err_irq:
4372 	if (wm8994->jackdet)
4373 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4374 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_SHRT, wm8994);
4375 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET, wm8994);
4376 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT, wm8994);
4377 	if (wm8994->micdet_irq)
4378 		free_irq(wm8994->micdet_irq, wm8994);
4379 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4380 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4381 				&wm8994->fll_locked[i]);
4382 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4383 			&wm8994->hubs);
4384 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4385 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4386 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4387 
4388 	return ret;
4389 }
4390 
4391 static int wm8994_codec_remove(struct snd_soc_codec *codec)
4392 {
4393 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
4394 	struct wm8994 *control = wm8994->wm8994;
4395 	int i;
4396 
4397 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4398 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4399 				&wm8994->fll_locked[i]);
4400 
4401 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4402 			&wm8994->hubs);
4403 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, codec);
4404 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, codec);
4405 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, codec);
4406 
4407 	if (wm8994->jackdet)
4408 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4409 
4410 	switch (control->type) {
4411 	case WM8994:
4412 		if (wm8994->micdet_irq)
4413 			free_irq(wm8994->micdet_irq, wm8994);
4414 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET,
4415 				wm8994);
4416 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT,
4417 				wm8994);
4418 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4419 				wm8994);
4420 		break;
4421 
4422 	case WM1811:
4423 	case WM8958:
4424 		if (wm8994->micdet_irq)
4425 			free_irq(wm8994->micdet_irq, wm8994);
4426 		break;
4427 	}
4428 	release_firmware(wm8994->mbc);
4429 	release_firmware(wm8994->mbc_vss);
4430 	release_firmware(wm8994->enh_eq);
4431 	kfree(wm8994->retune_mobile_texts);
4432 	return 0;
4433 }
4434 
4435 static struct regmap *wm8994_get_regmap(struct device *dev)
4436 {
4437 	struct wm8994 *control = dev_get_drvdata(dev->parent);
4438 
4439 	return control->regmap;
4440 }
4441 
4442 static struct snd_soc_codec_driver soc_codec_dev_wm8994 = {
4443 	.probe =	wm8994_codec_probe,
4444 	.remove =	wm8994_codec_remove,
4445 	.suspend =	wm8994_codec_suspend,
4446 	.resume =	wm8994_codec_resume,
4447 	.get_regmap =   wm8994_get_regmap,
4448 	.set_bias_level = wm8994_set_bias_level,
4449 };
4450 
4451 static int wm8994_probe(struct platform_device *pdev)
4452 {
4453 	struct wm8994_priv *wm8994;
4454 
4455 	wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv),
4456 			      GFP_KERNEL);
4457 	if (wm8994 == NULL)
4458 		return -ENOMEM;
4459 	platform_set_drvdata(pdev, wm8994);
4460 
4461 	mutex_init(&wm8994->fw_lock);
4462 
4463 	wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
4464 
4465 	pm_runtime_enable(&pdev->dev);
4466 	pm_runtime_idle(&pdev->dev);
4467 
4468 	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8994,
4469 			wm8994_dai, ARRAY_SIZE(wm8994_dai));
4470 }
4471 
4472 static int wm8994_remove(struct platform_device *pdev)
4473 {
4474 	snd_soc_unregister_codec(&pdev->dev);
4475 	pm_runtime_disable(&pdev->dev);
4476 
4477 	return 0;
4478 }
4479 
4480 #ifdef CONFIG_PM_SLEEP
4481 static int wm8994_suspend(struct device *dev)
4482 {
4483 	struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4484 
4485 	/* Drop down to power saving mode when system is suspended */
4486 	if (wm8994->jackdet && !wm8994->active_refcount)
4487 		regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4488 				   WM1811_JACKDET_MODE_MASK,
4489 				   wm8994->jackdet_mode);
4490 
4491 	return 0;
4492 }
4493 
4494 static int wm8994_resume(struct device *dev)
4495 {
4496 	struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4497 
4498 	if (wm8994->jackdet && wm8994->jackdet_mode)
4499 		regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4500 				   WM1811_JACKDET_MODE_MASK,
4501 				   WM1811_JACKDET_MODE_AUDIO);
4502 
4503 	return 0;
4504 }
4505 #endif
4506 
4507 static const struct dev_pm_ops wm8994_pm_ops = {
4508 	SET_SYSTEM_SLEEP_PM_OPS(wm8994_suspend, wm8994_resume)
4509 };
4510 
4511 static struct platform_driver wm8994_codec_driver = {
4512 	.driver = {
4513 		.name = "wm8994-codec",
4514 		.pm = &wm8994_pm_ops,
4515 	},
4516 	.probe = wm8994_probe,
4517 	.remove = wm8994_remove,
4518 };
4519 
4520 module_platform_driver(wm8994_codec_driver);
4521 
4522 MODULE_DESCRIPTION("ASoC WM8994 driver");
4523 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
4524 MODULE_LICENSE("GPL");
4525 MODULE_ALIAS("platform:wm8994-codec");
4526