xref: /openbmc/linux/sound/soc/codecs/wm8350.c (revision d7a3d85e)
1 /*
2  * wm8350.c -- WM8350 ALSA SoC audio driver
3  *
4  * Copyright (C) 2007-12 Wolfson Microelectronics PLC.
5  *
6  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/init.h>
16 #include <linux/slab.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/platform_device.h>
20 #include <linux/mfd/wm8350/audio.h>
21 #include <linux/mfd/wm8350/core.h>
22 #include <linux/regulator/consumer.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29 #include <trace/events/asoc.h>
30 
31 #include "wm8350.h"
32 
33 #define WM8350_OUTn_0dB 0x39
34 
35 #define WM8350_RAMP_NONE	0
36 #define WM8350_RAMP_UP		1
37 #define WM8350_RAMP_DOWN	2
38 
39 /* We only include the analogue supplies here; the digital supplies
40  * need to be available well before this driver can be probed.
41  */
42 static const char *supply_names[] = {
43 	"AVDD",
44 	"HPVDD",
45 };
46 
47 struct wm8350_output {
48 	u16 active;
49 	u16 left_vol;
50 	u16 right_vol;
51 	u16 ramp;
52 	u16 mute;
53 };
54 
55 struct wm8350_jack_data {
56 	struct snd_soc_jack *jack;
57 	struct delayed_work work;
58 	int report;
59 	int short_report;
60 };
61 
62 struct wm8350_data {
63 	struct wm8350 *wm8350;
64 	struct wm8350_output out1;
65 	struct wm8350_output out2;
66 	struct wm8350_jack_data hpl;
67 	struct wm8350_jack_data hpr;
68 	struct wm8350_jack_data mic;
69 	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
70 	int fll_freq_out;
71 	int fll_freq_in;
72 	struct delayed_work pga_work;
73 };
74 
75 /*
76  * Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
77  */
78 static inline int wm8350_out1_ramp_step(struct wm8350_data *wm8350_data)
79 {
80 	struct wm8350_output *out1 = &wm8350_data->out1;
81 	struct wm8350 *wm8350 = wm8350_data->wm8350;
82 	int left_complete = 0, right_complete = 0;
83 	u16 reg, val;
84 
85 	/* left channel */
86 	reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME);
87 	val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
88 
89 	if (out1->ramp == WM8350_RAMP_UP) {
90 		/* ramp step up */
91 		if (val < out1->left_vol) {
92 			val++;
93 			reg &= ~WM8350_OUT1L_VOL_MASK;
94 			wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
95 					 reg | (val << WM8350_OUT1L_VOL_SHIFT));
96 		} else
97 			left_complete = 1;
98 	} else if (out1->ramp == WM8350_RAMP_DOWN) {
99 		/* ramp step down */
100 		if (val > 0) {
101 			val--;
102 			reg &= ~WM8350_OUT1L_VOL_MASK;
103 			wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
104 					 reg | (val << WM8350_OUT1L_VOL_SHIFT));
105 		} else
106 			left_complete = 1;
107 	} else
108 		return 1;
109 
110 	/* right channel */
111 	reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME);
112 	val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
113 	if (out1->ramp == WM8350_RAMP_UP) {
114 		/* ramp step up */
115 		if (val < out1->right_vol) {
116 			val++;
117 			reg &= ~WM8350_OUT1R_VOL_MASK;
118 			wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
119 					 reg | (val << WM8350_OUT1R_VOL_SHIFT));
120 		} else
121 			right_complete = 1;
122 	} else if (out1->ramp == WM8350_RAMP_DOWN) {
123 		/* ramp step down */
124 		if (val > 0) {
125 			val--;
126 			reg &= ~WM8350_OUT1R_VOL_MASK;
127 			wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
128 					 reg | (val << WM8350_OUT1R_VOL_SHIFT));
129 		} else
130 			right_complete = 1;
131 	}
132 
133 	/* only hit the update bit if either volume has changed this step */
134 	if (!left_complete || !right_complete)
135 		wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU);
136 
137 	return left_complete & right_complete;
138 }
139 
140 /*
141  * Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
142  */
143 static inline int wm8350_out2_ramp_step(struct wm8350_data *wm8350_data)
144 {
145 	struct wm8350_output *out2 = &wm8350_data->out2;
146 	struct wm8350 *wm8350 = wm8350_data->wm8350;
147 	int left_complete = 0, right_complete = 0;
148 	u16 reg, val;
149 
150 	/* left channel */
151 	reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME);
152 	val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
153 	if (out2->ramp == WM8350_RAMP_UP) {
154 		/* ramp step up */
155 		if (val < out2->left_vol) {
156 			val++;
157 			reg &= ~WM8350_OUT2L_VOL_MASK;
158 			wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
159 					 reg | (val << WM8350_OUT1L_VOL_SHIFT));
160 		} else
161 			left_complete = 1;
162 	} else if (out2->ramp == WM8350_RAMP_DOWN) {
163 		/* ramp step down */
164 		if (val > 0) {
165 			val--;
166 			reg &= ~WM8350_OUT2L_VOL_MASK;
167 			wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
168 					 reg | (val << WM8350_OUT1L_VOL_SHIFT));
169 		} else
170 			left_complete = 1;
171 	} else
172 		return 1;
173 
174 	/* right channel */
175 	reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME);
176 	val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
177 	if (out2->ramp == WM8350_RAMP_UP) {
178 		/* ramp step up */
179 		if (val < out2->right_vol) {
180 			val++;
181 			reg &= ~WM8350_OUT2R_VOL_MASK;
182 			wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
183 					 reg | (val << WM8350_OUT1R_VOL_SHIFT));
184 		} else
185 			right_complete = 1;
186 	} else if (out2->ramp == WM8350_RAMP_DOWN) {
187 		/* ramp step down */
188 		if (val > 0) {
189 			val--;
190 			reg &= ~WM8350_OUT2R_VOL_MASK;
191 			wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
192 					 reg | (val << WM8350_OUT1R_VOL_SHIFT));
193 		} else
194 			right_complete = 1;
195 	}
196 
197 	/* only hit the update bit if either volume has changed this step */
198 	if (!left_complete || !right_complete)
199 		wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU);
200 
201 	return left_complete & right_complete;
202 }
203 
204 /*
205  * This work ramps both output PGAs at stream start/stop time to
206  * minimise pop associated with DAPM power switching.
207  * It's best to enable Zero Cross when ramping occurs to minimise any
208  * zipper noises.
209  */
210 static void wm8350_pga_work(struct work_struct *work)
211 {
212 	struct wm8350_data *wm8350_data =
213 		container_of(work, struct wm8350_data, pga_work.work);
214 	struct wm8350_output *out1 = &wm8350_data->out1,
215 	    *out2 = &wm8350_data->out2;
216 	int i, out1_complete, out2_complete;
217 
218 	/* do we need to ramp at all ? */
219 	if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)
220 		return;
221 
222 	/* PGA volumes have 6 bits of resolution to ramp */
223 	for (i = 0; i <= 63; i++) {
224 		out1_complete = 1, out2_complete = 1;
225 		if (out1->ramp != WM8350_RAMP_NONE)
226 			out1_complete = wm8350_out1_ramp_step(wm8350_data);
227 		if (out2->ramp != WM8350_RAMP_NONE)
228 			out2_complete = wm8350_out2_ramp_step(wm8350_data);
229 
230 		/* ramp finished ? */
231 		if (out1_complete && out2_complete)
232 			break;
233 
234 		/* we need to delay longer on the up ramp */
235 		if (out1->ramp == WM8350_RAMP_UP ||
236 		    out2->ramp == WM8350_RAMP_UP) {
237 			/* delay is longer over 0dB as increases are larger */
238 			if (i >= WM8350_OUTn_0dB)
239 				schedule_timeout_interruptible(msecs_to_jiffies
240 							       (2));
241 			else
242 				schedule_timeout_interruptible(msecs_to_jiffies
243 							       (1));
244 		} else
245 			udelay(50);	/* doesn't matter if we delay longer */
246 	}
247 
248 	out1->ramp = WM8350_RAMP_NONE;
249 	out2->ramp = WM8350_RAMP_NONE;
250 }
251 
252 /*
253  * WM8350 Controls
254  */
255 
256 static int pga_event(struct snd_soc_dapm_widget *w,
257 		     struct snd_kcontrol *kcontrol, int event)
258 {
259 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
260 	struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
261 	struct wm8350_output *out;
262 
263 	switch (w->shift) {
264 	case 0:
265 	case 1:
266 		out = &wm8350_data->out1;
267 		break;
268 	case 2:
269 	case 3:
270 		out = &wm8350_data->out2;
271 		break;
272 
273 	default:
274 		WARN(1, "Invalid shift %d\n", w->shift);
275 		return -1;
276 	}
277 
278 	switch (event) {
279 	case SND_SOC_DAPM_POST_PMU:
280 		out->ramp = WM8350_RAMP_UP;
281 		out->active = 1;
282 
283 		schedule_delayed_work(&wm8350_data->pga_work,
284 				      msecs_to_jiffies(1));
285 		break;
286 
287 	case SND_SOC_DAPM_PRE_PMD:
288 		out->ramp = WM8350_RAMP_DOWN;
289 		out->active = 0;
290 
291 		schedule_delayed_work(&wm8350_data->pga_work,
292 				      msecs_to_jiffies(1));
293 		break;
294 	}
295 
296 	return 0;
297 }
298 
299 static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
300 				  struct snd_ctl_elem_value *ucontrol)
301 {
302 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
303 	struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
304 	struct wm8350_output *out = NULL;
305 	struct soc_mixer_control *mc =
306 		(struct soc_mixer_control *)kcontrol->private_value;
307 	int ret;
308 	unsigned int reg = mc->reg;
309 	u16 val;
310 
311 	/* For OUT1 and OUT2 we shadow the values and only actually write
312 	 * them out when active in order to ensure the amplifier comes on
313 	 * as quietly as possible. */
314 	switch (reg) {
315 	case WM8350_LOUT1_VOLUME:
316 		out = &wm8350_priv->out1;
317 		break;
318 	case WM8350_LOUT2_VOLUME:
319 		out = &wm8350_priv->out2;
320 		break;
321 	default:
322 		break;
323 	}
324 
325 	if (out) {
326 		out->left_vol = ucontrol->value.integer.value[0];
327 		out->right_vol = ucontrol->value.integer.value[1];
328 		if (!out->active)
329 			return 1;
330 	}
331 
332 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
333 	if (ret < 0)
334 		return ret;
335 
336 	/* now hit the volume update bits (always bit 8) */
337 	val = snd_soc_read(codec, reg);
338 	snd_soc_write(codec, reg, val | WM8350_OUT1_VU);
339 	return 1;
340 }
341 
342 static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol,
343 			       struct snd_ctl_elem_value *ucontrol)
344 {
345 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
346 	struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
347 	struct wm8350_output *out1 = &wm8350_priv->out1;
348 	struct wm8350_output *out2 = &wm8350_priv->out2;
349 	struct soc_mixer_control *mc =
350 		(struct soc_mixer_control *)kcontrol->private_value;
351 	unsigned int reg = mc->reg;
352 
353 	/* If these are cached registers use the cache */
354 	switch (reg) {
355 	case WM8350_LOUT1_VOLUME:
356 		ucontrol->value.integer.value[0] = out1->left_vol;
357 		ucontrol->value.integer.value[1] = out1->right_vol;
358 		return 0;
359 
360 	case WM8350_LOUT2_VOLUME:
361 		ucontrol->value.integer.value[0] = out2->left_vol;
362 		ucontrol->value.integer.value[1] = out2->right_vol;
363 		return 0;
364 
365 	default:
366 		break;
367 	}
368 
369 	return snd_soc_get_volsw(kcontrol, ucontrol);
370 }
371 
372 static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
373 static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
374 static const char *wm8350_dacmutem[] = { "Normal", "Soft" };
375 static const char *wm8350_dacmutes[] = { "Fast", "Slow" };
376 static const char *wm8350_adcfilter[] = { "None", "High Pass" };
377 static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
378 static const char *wm8350_lr[] = { "Left", "Right" };
379 
380 static const struct soc_enum wm8350_enum[] = {
381 	SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp),
382 	SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol),
383 	SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem),
384 	SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes),
385 	SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter),
386 	SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp),
387 	SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol),
388 	SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
389 };
390 
391 static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
392 static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
393 static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
394 static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
395 static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
396 
397 static const unsigned int capture_sd_tlv[] = {
398 	TLV_DB_RANGE_HEAD(2),
399 	0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
400 	13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
401 };
402 
403 static const struct snd_kcontrol_new wm8350_snd_controls[] = {
404 	SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
405 	SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
406 	SOC_DOUBLE_R_EXT_TLV("Playback PCM Volume",
407 				WM8350_DAC_DIGITAL_VOLUME_L,
408 				WM8350_DAC_DIGITAL_VOLUME_R,
409 				0, 255, 0, wm8350_get_volsw_2r,
410 				wm8350_put_volsw_2r_vu, dac_pcm_tlv),
411 	SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
412 	SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
413 	SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
414 	SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
415 	SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
416 	SOC_DOUBLE_R_EXT_TLV("Capture PCM Volume",
417 				WM8350_ADC_DIGITAL_VOLUME_L,
418 				WM8350_ADC_DIGITAL_VOLUME_R,
419 				0, 255, 0, wm8350_get_volsw_2r,
420 				wm8350_put_volsw_2r_vu, adc_pcm_tlv),
421 	SOC_DOUBLE_TLV("Capture Sidetone Volume",
422 		       WM8350_ADC_DIVIDER,
423 		       8, 4, 15, 1, capture_sd_tlv),
424 	SOC_DOUBLE_R_EXT_TLV("Capture Volume",
425 				WM8350_LEFT_INPUT_VOLUME,
426 				WM8350_RIGHT_INPUT_VOLUME,
427 				2, 63, 0, wm8350_get_volsw_2r,
428 				wm8350_put_volsw_2r_vu, pre_amp_tlv),
429 	SOC_DOUBLE_R("Capture ZC Switch",
430 		     WM8350_LEFT_INPUT_VOLUME,
431 		     WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
432 	SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
433 		       WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
434 	SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
435 		       WM8350_OUTPUT_LEFT_MIXER_VOLUME,
436 		       5, 7, 0, out_mix_tlv),
437 	SOC_SINGLE_TLV("Left Input Bypass Volume",
438 		       WM8350_OUTPUT_LEFT_MIXER_VOLUME,
439 		       9, 7, 0, out_mix_tlv),
440 	SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
441 		       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
442 		       1, 7, 0, out_mix_tlv),
443 	SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
444 		       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
445 		       5, 7, 0, out_mix_tlv),
446 	SOC_SINGLE_TLV("Right Input Bypass Volume",
447 		       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
448 		       13, 7, 0, out_mix_tlv),
449 	SOC_SINGLE("Left Input Mixer +20dB Switch",
450 		   WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
451 	SOC_SINGLE("Right Input Mixer +20dB Switch",
452 		   WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
453 	SOC_SINGLE_TLV("Out4 Capture Volume",
454 		       WM8350_INPUT_MIXER_VOLUME,
455 		       1, 7, 0, out_mix_tlv),
456 	SOC_DOUBLE_R_EXT_TLV("Out1 Playback Volume",
457 				WM8350_LOUT1_VOLUME,
458 				WM8350_ROUT1_VOLUME,
459 				2, 63, 0, wm8350_get_volsw_2r,
460 				wm8350_put_volsw_2r_vu, out_pga_tlv),
461 	SOC_DOUBLE_R("Out1 Playback ZC Switch",
462 		     WM8350_LOUT1_VOLUME,
463 		     WM8350_ROUT1_VOLUME, 13, 1, 0),
464 	SOC_DOUBLE_R_EXT_TLV("Out2 Playback Volume",
465 				WM8350_LOUT2_VOLUME,
466 				WM8350_ROUT2_VOLUME,
467 				2, 63, 0, wm8350_get_volsw_2r,
468 				wm8350_put_volsw_2r_vu, out_pga_tlv),
469 	SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
470 		     WM8350_ROUT2_VOLUME, 13, 1, 0),
471 	SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
472 	SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
473 		       5, 7, 0, out_mix_tlv),
474 
475 	SOC_DOUBLE_R("Out1 Playback Switch",
476 		     WM8350_LOUT1_VOLUME,
477 		     WM8350_ROUT1_VOLUME,
478 		     14, 1, 1),
479 	SOC_DOUBLE_R("Out2 Playback Switch",
480 		     WM8350_LOUT2_VOLUME,
481 		     WM8350_ROUT2_VOLUME,
482 		     14, 1, 1),
483 };
484 
485 /*
486  * DAPM Controls
487  */
488 
489 /* Left Playback Mixer */
490 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
491 	SOC_DAPM_SINGLE("Playback Switch",
492 			WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
493 	SOC_DAPM_SINGLE("Left Bypass Switch",
494 			WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
495 	SOC_DAPM_SINGLE("Right Playback Switch",
496 			WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
497 	SOC_DAPM_SINGLE("Left Sidetone Switch",
498 			WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
499 	SOC_DAPM_SINGLE("Right Sidetone Switch",
500 			WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
501 };
502 
503 /* Right Playback Mixer */
504 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
505 	SOC_DAPM_SINGLE("Playback Switch",
506 			WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
507 	SOC_DAPM_SINGLE("Right Bypass Switch",
508 			WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
509 	SOC_DAPM_SINGLE("Left Playback Switch",
510 			WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
511 	SOC_DAPM_SINGLE("Left Sidetone Switch",
512 			WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
513 	SOC_DAPM_SINGLE("Right Sidetone Switch",
514 			WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
515 };
516 
517 /* Out4 Mixer */
518 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
519 	SOC_DAPM_SINGLE("Right Playback Switch",
520 			WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
521 	SOC_DAPM_SINGLE("Left Playback Switch",
522 			WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
523 	SOC_DAPM_SINGLE("Right Capture Switch",
524 			WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
525 	SOC_DAPM_SINGLE("Out3 Playback Switch",
526 			WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
527 	SOC_DAPM_SINGLE("Right Mixer Switch",
528 			WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
529 	SOC_DAPM_SINGLE("Left Mixer Switch",
530 			WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
531 };
532 
533 /* Out3 Mixer */
534 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
535 	SOC_DAPM_SINGLE("Left Playback Switch",
536 			WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
537 	SOC_DAPM_SINGLE("Left Capture Switch",
538 			WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
539 	SOC_DAPM_SINGLE("Out4 Playback Switch",
540 			WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
541 	SOC_DAPM_SINGLE("Left Mixer Switch",
542 			WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
543 };
544 
545 /* Left Input Mixer */
546 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
547 	SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
548 			    WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
549 	SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
550 			    WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
551 	SOC_DAPM_SINGLE("PGA Capture Switch",
552 			WM8350_LEFT_INPUT_VOLUME, 14, 1, 1),
553 };
554 
555 /* Right Input Mixer */
556 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
557 	SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
558 			    WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
559 	SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
560 			    WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
561 	SOC_DAPM_SINGLE("PGA Capture Switch",
562 			WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1),
563 };
564 
565 /* Left Mic Mixer */
566 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
567 	SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
568 	SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
569 	SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
570 };
571 
572 /* Right Mic Mixer */
573 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
574 	SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
575 	SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
576 	SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
577 };
578 
579 /* Beep Switch */
580 static const struct snd_kcontrol_new wm8350_beep_switch_controls =
581 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
582 
583 /* Out4 Capture Mux */
584 static const struct snd_kcontrol_new wm8350_out4_capture_controls =
585 SOC_DAPM_ENUM("Route", wm8350_enum[7]);
586 
587 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
588 
589 	SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
590 	SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
591 	SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
592 			   0, pga_event,
593 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
594 	SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
595 			   pga_event,
596 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
597 	SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
598 			   0, pga_event,
599 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
600 	SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
601 			   pga_event,
602 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
603 
604 	SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
605 			   7, 0, &wm8350_right_capt_mixer_controls[0],
606 			   ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
607 
608 	SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
609 			   6, 0, &wm8350_left_capt_mixer_controls[0],
610 			   ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
611 
612 	SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
613 			   &wm8350_out4_mixer_controls[0],
614 			   ARRAY_SIZE(wm8350_out4_mixer_controls)),
615 
616 	SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
617 			   &wm8350_out3_mixer_controls[0],
618 			   ARRAY_SIZE(wm8350_out3_mixer_controls)),
619 
620 	SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
621 			   &wm8350_right_play_mixer_controls[0],
622 			   ARRAY_SIZE(wm8350_right_play_mixer_controls)),
623 
624 	SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
625 			   &wm8350_left_play_mixer_controls[0],
626 			   ARRAY_SIZE(wm8350_left_play_mixer_controls)),
627 
628 	SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
629 			   &wm8350_left_mic_mixer_controls[0],
630 			   ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
631 
632 	SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
633 			   &wm8350_right_mic_mixer_controls[0],
634 			   ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
635 
636 	/* virtual mixer for Beep and Out2R */
637 	SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
638 
639 	SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
640 			    &wm8350_beep_switch_controls),
641 
642 	SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
643 			 WM8350_POWER_MGMT_4, 3, 0),
644 	SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
645 			 WM8350_POWER_MGMT_4, 2, 0),
646 	SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
647 			 WM8350_POWER_MGMT_4, 5, 0),
648 	SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
649 			 WM8350_POWER_MGMT_4, 4, 0),
650 
651 	SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
652 
653 	SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
654 			 &wm8350_out4_capture_controls),
655 
656 	SND_SOC_DAPM_OUTPUT("OUT1R"),
657 	SND_SOC_DAPM_OUTPUT("OUT1L"),
658 	SND_SOC_DAPM_OUTPUT("OUT2R"),
659 	SND_SOC_DAPM_OUTPUT("OUT2L"),
660 	SND_SOC_DAPM_OUTPUT("OUT3"),
661 	SND_SOC_DAPM_OUTPUT("OUT4"),
662 
663 	SND_SOC_DAPM_INPUT("IN1RN"),
664 	SND_SOC_DAPM_INPUT("IN1RP"),
665 	SND_SOC_DAPM_INPUT("IN2R"),
666 	SND_SOC_DAPM_INPUT("IN1LP"),
667 	SND_SOC_DAPM_INPUT("IN1LN"),
668 	SND_SOC_DAPM_INPUT("IN2L"),
669 	SND_SOC_DAPM_INPUT("IN3R"),
670 	SND_SOC_DAPM_INPUT("IN3L"),
671 };
672 
673 static const struct snd_soc_dapm_route wm8350_dapm_routes[] = {
674 
675 	/* left playback mixer */
676 	{"Left Playback Mixer", "Playback Switch", "Left DAC"},
677 	{"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
678 	{"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
679 	{"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
680 	{"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
681 
682 	/* right playback mixer */
683 	{"Right Playback Mixer", "Playback Switch", "Right DAC"},
684 	{"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
685 	{"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
686 	{"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
687 	{"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
688 
689 	/* out4 playback mixer */
690 	{"Out4 Mixer", "Right Playback Switch", "Right DAC"},
691 	{"Out4 Mixer", "Left Playback Switch", "Left DAC"},
692 	{"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
693 	{"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
694 	{"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
695 	{"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
696 	{"OUT4", NULL, "Out4 Mixer"},
697 
698 	/* out3 playback mixer */
699 	{"Out3 Mixer", "Left Playback Switch", "Left DAC"},
700 	{"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
701 	{"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
702 	{"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
703 	{"OUT3", NULL, "Out3 Mixer"},
704 
705 	/* out2 */
706 	{"Right Out2 PGA", NULL, "Right Playback Mixer"},
707 	{"Left Out2 PGA", NULL, "Left Playback Mixer"},
708 	{"OUT2L", NULL, "Left Out2 PGA"},
709 	{"OUT2R", NULL, "Right Out2 PGA"},
710 
711 	/* out1 */
712 	{"Right Out1 PGA", NULL, "Right Playback Mixer"},
713 	{"Left Out1 PGA", NULL, "Left Playback Mixer"},
714 	{"OUT1L", NULL, "Left Out1 PGA"},
715 	{"OUT1R", NULL, "Right Out1 PGA"},
716 
717 	/* ADCs */
718 	{"Left ADC", NULL, "Left Capture Mixer"},
719 	{"Right ADC", NULL, "Right Capture Mixer"},
720 
721 	/* Left capture mixer */
722 	{"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
723 	{"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
724 	{"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
725 	{"Left Capture Mixer", NULL, "Out4 Capture Channel"},
726 
727 	/* Right capture mixer */
728 	{"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
729 	{"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
730 	{"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
731 	{"Right Capture Mixer", NULL, "Out4 Capture Channel"},
732 
733 	/* L3 Inputs */
734 	{"IN3L PGA", NULL, "IN3L"},
735 	{"IN3R PGA", NULL, "IN3R"},
736 
737 	/* Left Mic mixer */
738 	{"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
739 	{"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
740 	{"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
741 
742 	/* Right Mic mixer */
743 	{"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
744 	{"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
745 	{"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
746 
747 	/* out 4 capture */
748 	{"Out4 Capture Channel", NULL, "Out4 Mixer"},
749 
750 	/* Beep */
751 	{"Beep", NULL, "IN3R PGA"},
752 };
753 
754 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
755 				 int clk_id, unsigned int freq, int dir)
756 {
757 	struct snd_soc_codec *codec = codec_dai->codec;
758 	struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
759 	struct wm8350 *wm8350 = wm8350_data->wm8350;
760 	u16 fll_4;
761 
762 	switch (clk_id) {
763 	case WM8350_MCLK_SEL_MCLK:
764 		wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
765 				  WM8350_MCLK_SEL);
766 		break;
767 	case WM8350_MCLK_SEL_PLL_MCLK:
768 	case WM8350_MCLK_SEL_PLL_DAC:
769 	case WM8350_MCLK_SEL_PLL_ADC:
770 	case WM8350_MCLK_SEL_PLL_32K:
771 		wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
772 				WM8350_MCLK_SEL);
773 		fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) &
774 		    ~WM8350_FLL_CLK_SRC_MASK;
775 		snd_soc_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
776 		break;
777 	}
778 
779 	/* MCLK direction */
780 	if (dir == SND_SOC_CLOCK_OUT)
781 		wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
782 				WM8350_MCLK_DIR);
783 	else
784 		wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
785 				  WM8350_MCLK_DIR);
786 
787 	return 0;
788 }
789 
790 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
791 {
792 	struct snd_soc_codec *codec = codec_dai->codec;
793 	u16 val;
794 
795 	switch (div_id) {
796 	case WM8350_ADC_CLKDIV:
797 		val = snd_soc_read(codec, WM8350_ADC_DIVIDER) &
798 		    ~WM8350_ADC_CLKDIV_MASK;
799 		snd_soc_write(codec, WM8350_ADC_DIVIDER, val | div);
800 		break;
801 	case WM8350_DAC_CLKDIV:
802 		val = snd_soc_read(codec, WM8350_DAC_CLOCK_CONTROL) &
803 		    ~WM8350_DAC_CLKDIV_MASK;
804 		snd_soc_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
805 		break;
806 	case WM8350_BCLK_CLKDIV:
807 		val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
808 		    ~WM8350_BCLK_DIV_MASK;
809 		snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
810 		break;
811 	case WM8350_OPCLK_CLKDIV:
812 		val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
813 		    ~WM8350_OPCLK_DIV_MASK;
814 		snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
815 		break;
816 	case WM8350_SYS_CLKDIV:
817 		val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
818 		    ~WM8350_MCLK_DIV_MASK;
819 		snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
820 		break;
821 	case WM8350_DACLR_CLKDIV:
822 		val = snd_soc_read(codec, WM8350_DAC_LR_RATE) &
823 		    ~WM8350_DACLRC_RATE_MASK;
824 		snd_soc_write(codec, WM8350_DAC_LR_RATE, val | div);
825 		break;
826 	case WM8350_ADCLR_CLKDIV:
827 		val = snd_soc_read(codec, WM8350_ADC_LR_RATE) &
828 		    ~WM8350_ADCLRC_RATE_MASK;
829 		snd_soc_write(codec, WM8350_ADC_LR_RATE, val | div);
830 		break;
831 	default:
832 		return -EINVAL;
833 	}
834 
835 	return 0;
836 }
837 
838 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
839 {
840 	struct snd_soc_codec *codec = codec_dai->codec;
841 	u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) &
842 	    ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
843 	u16 master = snd_soc_read(codec, WM8350_AI_DAC_CONTROL) &
844 	    ~WM8350_BCLK_MSTR;
845 	u16 dac_lrc = snd_soc_read(codec, WM8350_DAC_LR_RATE) &
846 	    ~WM8350_DACLRC_ENA;
847 	u16 adc_lrc = snd_soc_read(codec, WM8350_ADC_LR_RATE) &
848 	    ~WM8350_ADCLRC_ENA;
849 
850 	/* set master/slave audio interface */
851 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
852 	case SND_SOC_DAIFMT_CBM_CFM:
853 		master |= WM8350_BCLK_MSTR;
854 		dac_lrc |= WM8350_DACLRC_ENA;
855 		adc_lrc |= WM8350_ADCLRC_ENA;
856 		break;
857 	case SND_SOC_DAIFMT_CBS_CFS:
858 		break;
859 	default:
860 		return -EINVAL;
861 	}
862 
863 	/* interface format */
864 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
865 	case SND_SOC_DAIFMT_I2S:
866 		iface |= 0x2 << 8;
867 		break;
868 	case SND_SOC_DAIFMT_RIGHT_J:
869 		break;
870 	case SND_SOC_DAIFMT_LEFT_J:
871 		iface |= 0x1 << 8;
872 		break;
873 	case SND_SOC_DAIFMT_DSP_A:
874 		iface |= 0x3 << 8;
875 		break;
876 	case SND_SOC_DAIFMT_DSP_B:
877 		iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV;
878 		break;
879 	default:
880 		return -EINVAL;
881 	}
882 
883 	/* clock inversion */
884 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
885 	case SND_SOC_DAIFMT_NB_NF:
886 		break;
887 	case SND_SOC_DAIFMT_IB_IF:
888 		iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
889 		break;
890 	case SND_SOC_DAIFMT_IB_NF:
891 		iface |= WM8350_AIF_BCLK_INV;
892 		break;
893 	case SND_SOC_DAIFMT_NB_IF:
894 		iface |= WM8350_AIF_LRCLK_INV;
895 		break;
896 	default:
897 		return -EINVAL;
898 	}
899 
900 	snd_soc_write(codec, WM8350_AI_FORMATING, iface);
901 	snd_soc_write(codec, WM8350_AI_DAC_CONTROL, master);
902 	snd_soc_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
903 	snd_soc_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
904 	return 0;
905 }
906 
907 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
908 				struct snd_pcm_hw_params *params,
909 				struct snd_soc_dai *codec_dai)
910 {
911 	struct snd_soc_codec *codec = codec_dai->codec;
912 	struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
913 	struct wm8350 *wm8350 = wm8350_data->wm8350;
914 	u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) &
915 	    ~WM8350_AIF_WL_MASK;
916 
917 	/* bit size */
918 	switch (params_width(params)) {
919 	case 16:
920 		break;
921 	case 20:
922 		iface |= 0x1 << 10;
923 		break;
924 	case 24:
925 		iface |= 0x2 << 10;
926 		break;
927 	case 32:
928 		iface |= 0x3 << 10;
929 		break;
930 	}
931 
932 	snd_soc_write(codec, WM8350_AI_FORMATING, iface);
933 
934 	/* The sloping stopband filter is recommended for use with
935 	 * lower sample rates to improve performance.
936 	 */
937 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
938 		if (params_rate(params) < 24000)
939 			wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
940 					WM8350_DAC_SB_FILT);
941 		else
942 			wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
943 					  WM8350_DAC_SB_FILT);
944 	}
945 
946 	return 0;
947 }
948 
949 static int wm8350_mute(struct snd_soc_dai *dai, int mute)
950 {
951 	struct snd_soc_codec *codec = dai->codec;
952 	unsigned int val;
953 
954 	if (mute)
955 		val = WM8350_DAC_MUTE_ENA;
956 	else
957 		val = 0;
958 
959 	snd_soc_update_bits(codec, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA, val);
960 
961 	return 0;
962 }
963 
964 /* FLL divisors */
965 struct _fll_div {
966 	int div;		/* FLL_OUTDIV */
967 	int n;
968 	int k;
969 	int ratio;		/* FLL_FRATIO */
970 };
971 
972 /* The size in bits of the fll divide multiplied by 10
973  * to allow rounding later */
974 #define FIXED_FLL_SIZE ((1 << 16) * 10)
975 
976 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input,
977 			      unsigned int output)
978 {
979 	u64 Kpart;
980 	unsigned int t1, t2, K, Nmod;
981 
982 	if (output >= 2815250 && output <= 3125000)
983 		fll_div->div = 0x4;
984 	else if (output >= 5625000 && output <= 6250000)
985 		fll_div->div = 0x3;
986 	else if (output >= 11250000 && output <= 12500000)
987 		fll_div->div = 0x2;
988 	else if (output >= 22500000 && output <= 25000000)
989 		fll_div->div = 0x1;
990 	else {
991 		printk(KERN_ERR "wm8350: fll freq %d out of range\n", output);
992 		return -EINVAL;
993 	}
994 
995 	if (input > 48000)
996 		fll_div->ratio = 1;
997 	else
998 		fll_div->ratio = 8;
999 
1000 	t1 = output * (1 << (fll_div->div + 1));
1001 	t2 = input * fll_div->ratio;
1002 
1003 	fll_div->n = t1 / t2;
1004 	Nmod = t1 % t2;
1005 
1006 	if (Nmod) {
1007 		Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1008 		do_div(Kpart, t2);
1009 		K = Kpart & 0xFFFFFFFF;
1010 
1011 		/* Check if we need to round */
1012 		if ((K % 10) >= 5)
1013 			K += 5;
1014 
1015 		/* Move down to proper range now rounding is done */
1016 		K /= 10;
1017 		fll_div->k = K;
1018 	} else
1019 		fll_div->k = 0;
1020 
1021 	return 0;
1022 }
1023 
1024 static int wm8350_set_fll(struct snd_soc_dai *codec_dai,
1025 			  int pll_id, int source, unsigned int freq_in,
1026 			  unsigned int freq_out)
1027 {
1028 	struct snd_soc_codec *codec = codec_dai->codec;
1029 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1030 	struct wm8350 *wm8350 = priv->wm8350;
1031 	struct _fll_div fll_div;
1032 	int ret = 0;
1033 	u16 fll_1, fll_4;
1034 
1035 	if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)
1036 		return 0;
1037 
1038 	/* power down FLL - we need to do this for reconfiguration */
1039 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1040 			  WM8350_FLL_ENA | WM8350_FLL_OSC_ENA);
1041 
1042 	if (freq_out == 0 || freq_in == 0)
1043 		return ret;
1044 
1045 	ret = fll_factors(&fll_div, freq_in, freq_out);
1046 	if (ret < 0)
1047 		return ret;
1048 	dev_dbg(wm8350->dev,
1049 		"FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1050 		freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div,
1051 		fll_div.ratio);
1052 
1053 	/* set up N.K & dividers */
1054 	fll_1 = snd_soc_read(codec, WM8350_FLL_CONTROL_1) &
1055 	    ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000);
1056 	snd_soc_write(codec, WM8350_FLL_CONTROL_1,
1057 			   fll_1 | (fll_div.div << 8) | 0x50);
1058 	snd_soc_write(codec, WM8350_FLL_CONTROL_2,
1059 			   (fll_div.ratio << 11) | (fll_div.
1060 						    n & WM8350_FLL_N_MASK));
1061 	snd_soc_write(codec, WM8350_FLL_CONTROL_3, fll_div.k);
1062 	fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) &
1063 	    ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF);
1064 	snd_soc_write(codec, WM8350_FLL_CONTROL_4,
1065 			   fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) |
1066 			   (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0));
1067 
1068 	/* power FLL on */
1069 	wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA);
1070 	wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA);
1071 
1072 	priv->fll_freq_out = freq_out;
1073 	priv->fll_freq_in = freq_in;
1074 
1075 	return 0;
1076 }
1077 
1078 static int wm8350_set_bias_level(struct snd_soc_codec *codec,
1079 				 enum snd_soc_bias_level level)
1080 {
1081 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1082 	struct wm8350 *wm8350 = priv->wm8350;
1083 	struct wm8350_audio_platform_data *platform =
1084 		wm8350->codec.platform_data;
1085 	u16 pm1;
1086 	int ret;
1087 
1088 	switch (level) {
1089 	case SND_SOC_BIAS_ON:
1090 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1091 		    ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1092 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1093 				 pm1 | WM8350_VMID_50K |
1094 				 platform->codec_current_on << 14);
1095 		break;
1096 
1097 	case SND_SOC_BIAS_PREPARE:
1098 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1);
1099 		pm1 &= ~WM8350_VMID_MASK;
1100 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1101 				 pm1 | WM8350_VMID_50K);
1102 		break;
1103 
1104 	case SND_SOC_BIAS_STANDBY:
1105 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1106 			ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
1107 						    priv->supplies);
1108 			if (ret != 0)
1109 				return ret;
1110 
1111 			/* Enable the system clock */
1112 			wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4,
1113 					WM8350_SYSCLK_ENA);
1114 
1115 			/* mute DAC & outputs */
1116 			wm8350_set_bits(wm8350, WM8350_DAC_MUTE,
1117 					WM8350_DAC_MUTE_ENA);
1118 
1119 			/* discharge cap memory */
1120 			wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1121 					 platform->dis_out1 |
1122 					 (platform->dis_out2 << 2) |
1123 					 (platform->dis_out3 << 4) |
1124 					 (platform->dis_out4 << 6));
1125 
1126 			/* wait for discharge */
1127 			schedule_timeout_interruptible(msecs_to_jiffies
1128 						       (platform->
1129 							cap_discharge_msecs));
1130 
1131 			/* enable antipop */
1132 			wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1133 					 (platform->vmid_s_curve << 8));
1134 
1135 			/* ramp up vmid */
1136 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1137 					 (platform->
1138 					  codec_current_charge << 14) |
1139 					 WM8350_VMID_5K | WM8350_VMIDEN |
1140 					 WM8350_VBUFEN);
1141 
1142 			/* wait for vmid */
1143 			schedule_timeout_interruptible(msecs_to_jiffies
1144 						       (platform->
1145 							vmid_charge_msecs));
1146 
1147 			/* turn on vmid 300k  */
1148 			pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1149 			    ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1150 			pm1 |= WM8350_VMID_300K |
1151 				(platform->codec_current_standby << 14);
1152 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1153 					 pm1);
1154 
1155 
1156 			/* enable analogue bias */
1157 			pm1 |= WM8350_BIASEN;
1158 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1159 
1160 			/* disable antipop */
1161 			wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1162 
1163 		} else {
1164 			/* turn on vmid 300k and reduce current */
1165 			pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1166 			    ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1167 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1168 					 pm1 | WM8350_VMID_300K |
1169 					 (platform->
1170 					  codec_current_standby << 14));
1171 
1172 		}
1173 		break;
1174 
1175 	case SND_SOC_BIAS_OFF:
1176 
1177 		/* mute DAC & enable outputs */
1178 		wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1179 
1180 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3,
1181 				WM8350_OUT1L_ENA | WM8350_OUT1R_ENA |
1182 				WM8350_OUT2L_ENA | WM8350_OUT2R_ENA);
1183 
1184 		/* enable anti pop S curve */
1185 		wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1186 				 (platform->vmid_s_curve << 8));
1187 
1188 		/* turn off vmid  */
1189 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1190 		    ~WM8350_VMIDEN;
1191 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1192 
1193 		/* wait */
1194 		schedule_timeout_interruptible(msecs_to_jiffies
1195 					       (platform->
1196 						vmid_discharge_msecs));
1197 
1198 		wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1199 				 (platform->vmid_s_curve << 8) |
1200 				 platform->dis_out1 |
1201 				 (platform->dis_out2 << 2) |
1202 				 (platform->dis_out3 << 4) |
1203 				 (platform->dis_out4 << 6));
1204 
1205 		/* turn off VBuf and drain */
1206 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1207 		    ~(WM8350_VBUFEN | WM8350_VMID_MASK);
1208 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1209 				 pm1 | WM8350_OUTPUT_DRAIN_EN);
1210 
1211 		/* wait */
1212 		schedule_timeout_interruptible(msecs_to_jiffies
1213 					       (platform->drain_msecs));
1214 
1215 		pm1 &= ~WM8350_BIASEN;
1216 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1217 
1218 		/* disable anti-pop */
1219 		wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1220 
1221 		wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME,
1222 				  WM8350_OUT1L_ENA);
1223 		wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME,
1224 				  WM8350_OUT1R_ENA);
1225 		wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME,
1226 				  WM8350_OUT2L_ENA);
1227 		wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME,
1228 				  WM8350_OUT2R_ENA);
1229 
1230 		/* disable clock gen */
1231 		wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1232 				  WM8350_SYSCLK_ENA);
1233 
1234 		regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
1235 				       priv->supplies);
1236 		break;
1237 	}
1238 	codec->dapm.bias_level = level;
1239 	return 0;
1240 }
1241 
1242 static void wm8350_hp_work(struct wm8350_data *priv,
1243 			   struct wm8350_jack_data *jack,
1244 			   u16 mask)
1245 {
1246 	struct wm8350 *wm8350 = priv->wm8350;
1247 	u16 reg;
1248 	int report;
1249 
1250 	reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1251 	if (reg & mask)
1252 		report = jack->report;
1253 	else
1254 		report = 0;
1255 
1256 	snd_soc_jack_report(jack->jack, report, jack->report);
1257 
1258 }
1259 
1260 static void wm8350_hpl_work(struct work_struct *work)
1261 {
1262 	struct wm8350_data *priv =
1263 	    container_of(work, struct wm8350_data, hpl.work.work);
1264 
1265 	wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL);
1266 }
1267 
1268 static void wm8350_hpr_work(struct work_struct *work)
1269 {
1270 	struct wm8350_data *priv =
1271 	    container_of(work, struct wm8350_data, hpr.work.work);
1272 
1273 	wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL);
1274 }
1275 
1276 static irqreturn_t wm8350_hpl_jack_handler(int irq, void *data)
1277 {
1278 	struct wm8350_data *priv = data;
1279 	struct wm8350 *wm8350 = priv->wm8350;
1280 
1281 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1282 	trace_snd_soc_jack_irq("WM8350 HPL");
1283 #endif
1284 
1285 	if (device_may_wakeup(wm8350->dev))
1286 		pm_wakeup_event(wm8350->dev, 250);
1287 
1288 	queue_delayed_work(system_power_efficient_wq,
1289 			   &priv->hpl.work, msecs_to_jiffies(200));
1290 
1291 	return IRQ_HANDLED;
1292 }
1293 
1294 static irqreturn_t wm8350_hpr_jack_handler(int irq, void *data)
1295 {
1296 	struct wm8350_data *priv = data;
1297 	struct wm8350 *wm8350 = priv->wm8350;
1298 
1299 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1300 	trace_snd_soc_jack_irq("WM8350 HPR");
1301 #endif
1302 
1303 	if (device_may_wakeup(wm8350->dev))
1304 		pm_wakeup_event(wm8350->dev, 250);
1305 
1306 	queue_delayed_work(system_power_efficient_wq,
1307 			   &priv->hpr.work, msecs_to_jiffies(200));
1308 
1309 	return IRQ_HANDLED;
1310 }
1311 
1312 /**
1313  * wm8350_hp_jack_detect - Enable headphone jack detection.
1314  *
1315  * @codec:  WM8350 codec
1316  * @which:  left or right jack detect signal
1317  * @jack:   jack to report detection events on
1318  * @report: value to report
1319  *
1320  * Enables the headphone jack detection of the WM8350.  If no report
1321  * is specified then detection is disabled.
1322  */
1323 int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
1324 			  struct snd_soc_jack *jack, int report)
1325 {
1326 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1327 	struct wm8350 *wm8350 = priv->wm8350;
1328 	int ena;
1329 
1330 	switch (which) {
1331 	case WM8350_JDL:
1332 		priv->hpl.jack = jack;
1333 		priv->hpl.report = report;
1334 		ena = WM8350_JDL_ENA;
1335 		break;
1336 
1337 	case WM8350_JDR:
1338 		priv->hpr.jack = jack;
1339 		priv->hpr.report = report;
1340 		ena = WM8350_JDR_ENA;
1341 		break;
1342 
1343 	default:
1344 		return -EINVAL;
1345 	}
1346 
1347 	if (report) {
1348 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1349 		wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
1350 	} else {
1351 		wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena);
1352 	}
1353 
1354 	/* Sync status */
1355 	switch (which) {
1356 	case WM8350_JDL:
1357 		wm8350_hpl_jack_handler(0, priv);
1358 		break;
1359 	case WM8350_JDR:
1360 		wm8350_hpr_jack_handler(0, priv);
1361 		break;
1362 	}
1363 
1364 	return 0;
1365 }
1366 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
1367 
1368 static irqreturn_t wm8350_mic_handler(int irq, void *data)
1369 {
1370 	struct wm8350_data *priv = data;
1371 	struct wm8350 *wm8350 = priv->wm8350;
1372 	u16 reg;
1373 	int report = 0;
1374 
1375 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1376 	trace_snd_soc_jack_irq("WM8350 mic");
1377 #endif
1378 
1379 	reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1380 	if (reg & WM8350_JACK_MICSCD_LVL)
1381 		report |= priv->mic.short_report;
1382 	if (reg & WM8350_JACK_MICSD_LVL)
1383 		report |= priv->mic.report;
1384 
1385 	snd_soc_jack_report(priv->mic.jack, report,
1386 			    priv->mic.report | priv->mic.short_report);
1387 
1388 	return IRQ_HANDLED;
1389 }
1390 
1391 /**
1392  * wm8350_mic_jack_detect - Enable microphone jack detection.
1393  *
1394  * @codec:         WM8350 codec
1395  * @jack:          jack to report detection events on
1396  * @detect_report: value to report when presence detected
1397  * @short_report:  value to report when microphone short detected
1398  *
1399  * Enables the microphone jack detection of the WM8350.  If both reports
1400  * are specified as zero then detection is disabled.
1401  */
1402 int wm8350_mic_jack_detect(struct snd_soc_codec *codec,
1403 			   struct snd_soc_jack *jack,
1404 			   int detect_report, int short_report)
1405 {
1406 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1407 	struct wm8350 *wm8350 = priv->wm8350;
1408 
1409 	priv->mic.jack = jack;
1410 	priv->mic.report = detect_report;
1411 	priv->mic.short_report = short_report;
1412 
1413 	if (detect_report || short_report) {
1414 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1415 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1,
1416 				WM8350_MIC_DET_ENA);
1417 	} else {
1418 		wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1,
1419 				  WM8350_MIC_DET_ENA);
1420 	}
1421 
1422 	return 0;
1423 }
1424 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect);
1425 
1426 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1427 
1428 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1429 			SNDRV_PCM_FMTBIT_S20_3LE |\
1430 			SNDRV_PCM_FMTBIT_S24_LE)
1431 
1432 static const struct snd_soc_dai_ops wm8350_dai_ops = {
1433 	 .hw_params	= wm8350_pcm_hw_params,
1434 	 .digital_mute	= wm8350_mute,
1435 	 .set_fmt	= wm8350_set_dai_fmt,
1436 	 .set_sysclk	= wm8350_set_dai_sysclk,
1437 	 .set_pll	= wm8350_set_fll,
1438 	 .set_clkdiv	= wm8350_set_clkdiv,
1439 };
1440 
1441 static struct snd_soc_dai_driver wm8350_dai = {
1442 	.name = "wm8350-hifi",
1443 	.playback = {
1444 		.stream_name = "Playback",
1445 		.channels_min = 1,
1446 		.channels_max = 2,
1447 		.rates = WM8350_RATES,
1448 		.formats = WM8350_FORMATS,
1449 	},
1450 	.capture = {
1451 		 .stream_name = "Capture",
1452 		 .channels_min = 1,
1453 		 .channels_max = 2,
1454 		 .rates = WM8350_RATES,
1455 		 .formats = WM8350_FORMATS,
1456 	 },
1457 	.ops = &wm8350_dai_ops,
1458 };
1459 
1460 static  int wm8350_codec_probe(struct snd_soc_codec *codec)
1461 {
1462 	struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1463 	struct wm8350_data *priv;
1464 	struct wm8350_output *out1;
1465 	struct wm8350_output *out2;
1466 	int ret, i;
1467 
1468 	if (wm8350->codec.platform_data == NULL) {
1469 		dev_err(codec->dev, "No audio platform data supplied\n");
1470 		return -EINVAL;
1471 	}
1472 
1473 	priv = devm_kzalloc(codec->dev, sizeof(struct wm8350_data),
1474 			    GFP_KERNEL);
1475 	if (priv == NULL)
1476 		return -ENOMEM;
1477 	snd_soc_codec_set_drvdata(codec, priv);
1478 
1479 	priv->wm8350 = wm8350;
1480 
1481 	for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1482 		priv->supplies[i].supply = supply_names[i];
1483 
1484 	ret = devm_regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
1485 				 priv->supplies);
1486 	if (ret != 0)
1487 		return ret;
1488 
1489 	/* Put the codec into reset if it wasn't already */
1490 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1491 
1492 	INIT_DELAYED_WORK(&priv->pga_work, wm8350_pga_work);
1493 	INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work);
1494 	INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work);
1495 
1496 	/* Enable the codec */
1497 	wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1498 
1499 	/* Enable robust clocking mode in ADC */
1500 	snd_soc_write(codec, WM8350_SECURITY, 0xa7);
1501 	snd_soc_write(codec, 0xde, 0x13);
1502 	snd_soc_write(codec, WM8350_SECURITY, 0);
1503 
1504 	/* read OUT1 & OUT2 volumes */
1505 	out1 = &priv->out1;
1506 	out2 = &priv->out2;
1507 	out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &
1508 			  WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1509 	out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &
1510 			   WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1511 	out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &
1512 			  WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1513 	out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &
1514 			   WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1515 	wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0);
1516 	wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0);
1517 	wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0);
1518 	wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0);
1519 
1520 	/* Latch VU bits & mute */
1521 	wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME,
1522 			WM8350_OUT1_VU | WM8350_OUT1L_MUTE);
1523 	wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME,
1524 			WM8350_OUT2_VU | WM8350_OUT2L_MUTE);
1525 	wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME,
1526 			WM8350_OUT1_VU | WM8350_OUT1R_MUTE);
1527 	wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
1528 			WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
1529 
1530 	/* Make sure AIF tristating is disabled by default */
1531 	wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI);
1532 
1533 	/* Make sure we've got a sane companding setup too */
1534 	wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP,
1535 			  WM8350_DAC_COMP | WM8350_LOOPBACK);
1536 
1537 	/* Make sure jack detect is disabled to start off with */
1538 	wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1539 			  WM8350_JDL_ENA | WM8350_JDR_ENA);
1540 
1541 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
1542 			    wm8350_hpl_jack_handler, 0, "Left jack detect",
1543 			    priv);
1544 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
1545 			    wm8350_hpr_jack_handler, 0, "Right jack detect",
1546 			    priv);
1547 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD,
1548 			    wm8350_mic_handler, 0, "Microphone short", priv);
1549 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD,
1550 			    wm8350_mic_handler, 0, "Microphone detect", priv);
1551 
1552 	return 0;
1553 }
1554 
1555 static int  wm8350_codec_remove(struct snd_soc_codec *codec)
1556 {
1557 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1558 	struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1559 
1560 	wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1561 			  WM8350_JDL_ENA | WM8350_JDR_ENA);
1562 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1563 
1564 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv);
1565 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv);
1566 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv);
1567 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv);
1568 
1569 	priv->hpl.jack = NULL;
1570 	priv->hpr.jack = NULL;
1571 	priv->mic.jack = NULL;
1572 
1573 	cancel_delayed_work_sync(&priv->hpl.work);
1574 	cancel_delayed_work_sync(&priv->hpr.work);
1575 
1576 	/* if there was any work waiting then we run it now and
1577 	 * wait for its completion */
1578 	flush_delayed_work(&priv->pga_work);
1579 
1580 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1581 
1582 	return 0;
1583 }
1584 
1585 static struct regmap *wm8350_get_regmap(struct device *dev)
1586 {
1587 	struct wm8350 *wm8350 = dev_get_platdata(dev);
1588 
1589 	return wm8350->regmap;
1590 }
1591 
1592 static struct snd_soc_codec_driver soc_codec_dev_wm8350 = {
1593 	.probe =	wm8350_codec_probe,
1594 	.remove =	wm8350_codec_remove,
1595 	.get_regmap =	wm8350_get_regmap,
1596 	.set_bias_level = wm8350_set_bias_level,
1597 	.suspend_bias_off = true,
1598 
1599 	.controls = wm8350_snd_controls,
1600 	.num_controls = ARRAY_SIZE(wm8350_snd_controls),
1601 	.dapm_widgets = wm8350_dapm_widgets,
1602 	.num_dapm_widgets = ARRAY_SIZE(wm8350_dapm_widgets),
1603 	.dapm_routes = wm8350_dapm_routes,
1604 	.num_dapm_routes = ARRAY_SIZE(wm8350_dapm_routes),
1605 };
1606 
1607 static int wm8350_probe(struct platform_device *pdev)
1608 {
1609 	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350,
1610 			&wm8350_dai, 1);
1611 }
1612 
1613 static int wm8350_remove(struct platform_device *pdev)
1614 {
1615 	snd_soc_unregister_codec(&pdev->dev);
1616 	return 0;
1617 }
1618 
1619 static struct platform_driver wm8350_codec_driver = {
1620 	.driver = {
1621 		   .name = "wm8350-codec",
1622 		   },
1623 	.probe = wm8350_probe,
1624 	.remove = wm8350_remove,
1625 };
1626 
1627 module_platform_driver(wm8350_codec_driver);
1628 
1629 MODULE_DESCRIPTION("ASoC WM8350 driver");
1630 MODULE_AUTHOR("Liam Girdwood");
1631 MODULE_LICENSE("GPL");
1632 MODULE_ALIAS("platform:wm8350-codec");
1633