xref: /linux/sound/soc/codecs/wm8350.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 DECLARE_TLV_DB_RANGE(capture_sd_tlv,
398 	0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
399 	13, 15, TLV_DB_SCALE_ITEM(0, 0, 0)
400 );
401 
402 static const struct snd_kcontrol_new wm8350_snd_controls[] = {
403 	SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
404 	SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
405 	SOC_DOUBLE_R_EXT_TLV("Playback PCM Volume",
406 				WM8350_DAC_DIGITAL_VOLUME_L,
407 				WM8350_DAC_DIGITAL_VOLUME_R,
408 				0, 255, 0, wm8350_get_volsw_2r,
409 				wm8350_put_volsw_2r_vu, dac_pcm_tlv),
410 	SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
411 	SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
412 	SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
413 	SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
414 	SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
415 	SOC_DOUBLE_R_EXT_TLV("Capture PCM Volume",
416 				WM8350_ADC_DIGITAL_VOLUME_L,
417 				WM8350_ADC_DIGITAL_VOLUME_R,
418 				0, 255, 0, wm8350_get_volsw_2r,
419 				wm8350_put_volsw_2r_vu, adc_pcm_tlv),
420 	SOC_DOUBLE_TLV("Capture Sidetone Volume",
421 		       WM8350_ADC_DIVIDER,
422 		       8, 4, 15, 1, capture_sd_tlv),
423 	SOC_DOUBLE_R_EXT_TLV("Capture Volume",
424 				WM8350_LEFT_INPUT_VOLUME,
425 				WM8350_RIGHT_INPUT_VOLUME,
426 				2, 63, 0, wm8350_get_volsw_2r,
427 				wm8350_put_volsw_2r_vu, pre_amp_tlv),
428 	SOC_DOUBLE_R("Capture ZC Switch",
429 		     WM8350_LEFT_INPUT_VOLUME,
430 		     WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
431 	SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
432 		       WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
433 	SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
434 		       WM8350_OUTPUT_LEFT_MIXER_VOLUME,
435 		       5, 7, 0, out_mix_tlv),
436 	SOC_SINGLE_TLV("Left Input Bypass Volume",
437 		       WM8350_OUTPUT_LEFT_MIXER_VOLUME,
438 		       9, 7, 0, out_mix_tlv),
439 	SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
440 		       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
441 		       1, 7, 0, out_mix_tlv),
442 	SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
443 		       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
444 		       5, 7, 0, out_mix_tlv),
445 	SOC_SINGLE_TLV("Right Input Bypass Volume",
446 		       WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
447 		       13, 7, 0, out_mix_tlv),
448 	SOC_SINGLE("Left Input Mixer +20dB Switch",
449 		   WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
450 	SOC_SINGLE("Right Input Mixer +20dB Switch",
451 		   WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
452 	SOC_SINGLE_TLV("Out4 Capture Volume",
453 		       WM8350_INPUT_MIXER_VOLUME,
454 		       1, 7, 0, out_mix_tlv),
455 	SOC_DOUBLE_R_EXT_TLV("Out1 Playback Volume",
456 				WM8350_LOUT1_VOLUME,
457 				WM8350_ROUT1_VOLUME,
458 				2, 63, 0, wm8350_get_volsw_2r,
459 				wm8350_put_volsw_2r_vu, out_pga_tlv),
460 	SOC_DOUBLE_R("Out1 Playback ZC Switch",
461 		     WM8350_LOUT1_VOLUME,
462 		     WM8350_ROUT1_VOLUME, 13, 1, 0),
463 	SOC_DOUBLE_R_EXT_TLV("Out2 Playback Volume",
464 				WM8350_LOUT2_VOLUME,
465 				WM8350_ROUT2_VOLUME,
466 				2, 63, 0, wm8350_get_volsw_2r,
467 				wm8350_put_volsw_2r_vu, out_pga_tlv),
468 	SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
469 		     WM8350_ROUT2_VOLUME, 13, 1, 0),
470 	SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
471 	SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
472 		       5, 7, 0, out_mix_tlv),
473 
474 	SOC_DOUBLE_R("Out1 Playback Switch",
475 		     WM8350_LOUT1_VOLUME,
476 		     WM8350_ROUT1_VOLUME,
477 		     14, 1, 1),
478 	SOC_DOUBLE_R("Out2 Playback Switch",
479 		     WM8350_LOUT2_VOLUME,
480 		     WM8350_ROUT2_VOLUME,
481 		     14, 1, 1),
482 };
483 
484 /*
485  * DAPM Controls
486  */
487 
488 /* Left Playback Mixer */
489 static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
490 	SOC_DAPM_SINGLE("Playback Switch",
491 			WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
492 	SOC_DAPM_SINGLE("Left Bypass Switch",
493 			WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
494 	SOC_DAPM_SINGLE("Right Playback Switch",
495 			WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
496 	SOC_DAPM_SINGLE("Left Sidetone Switch",
497 			WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
498 	SOC_DAPM_SINGLE("Right Sidetone Switch",
499 			WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
500 };
501 
502 /* Right Playback Mixer */
503 static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
504 	SOC_DAPM_SINGLE("Playback Switch",
505 			WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
506 	SOC_DAPM_SINGLE("Right Bypass Switch",
507 			WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
508 	SOC_DAPM_SINGLE("Left Playback Switch",
509 			WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
510 	SOC_DAPM_SINGLE("Left Sidetone Switch",
511 			WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
512 	SOC_DAPM_SINGLE("Right Sidetone Switch",
513 			WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
514 };
515 
516 /* Out4 Mixer */
517 static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
518 	SOC_DAPM_SINGLE("Right Playback Switch",
519 			WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
520 	SOC_DAPM_SINGLE("Left Playback Switch",
521 			WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
522 	SOC_DAPM_SINGLE("Right Capture Switch",
523 			WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
524 	SOC_DAPM_SINGLE("Out3 Playback Switch",
525 			WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
526 	SOC_DAPM_SINGLE("Right Mixer Switch",
527 			WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
528 	SOC_DAPM_SINGLE("Left Mixer Switch",
529 			WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
530 };
531 
532 /* Out3 Mixer */
533 static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
534 	SOC_DAPM_SINGLE("Left Playback Switch",
535 			WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
536 	SOC_DAPM_SINGLE("Left Capture Switch",
537 			WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
538 	SOC_DAPM_SINGLE("Out4 Playback Switch",
539 			WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
540 	SOC_DAPM_SINGLE("Left Mixer Switch",
541 			WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
542 };
543 
544 /* Left Input Mixer */
545 static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
546 	SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
547 			    WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
548 	SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
549 			    WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
550 	SOC_DAPM_SINGLE("PGA Capture Switch",
551 			WM8350_LEFT_INPUT_VOLUME, 14, 1, 1),
552 };
553 
554 /* Right Input Mixer */
555 static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
556 	SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
557 			    WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
558 	SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
559 			    WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
560 	SOC_DAPM_SINGLE("PGA Capture Switch",
561 			WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1),
562 };
563 
564 /* Left Mic Mixer */
565 static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
566 	SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
567 	SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
568 	SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
569 };
570 
571 /* Right Mic Mixer */
572 static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
573 	SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
574 	SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
575 	SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
576 };
577 
578 /* Beep Switch */
579 static const struct snd_kcontrol_new wm8350_beep_switch_controls =
580 SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
581 
582 /* Out4 Capture Mux */
583 static const struct snd_kcontrol_new wm8350_out4_capture_controls =
584 SOC_DAPM_ENUM("Route", wm8350_enum[7]);
585 
586 static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
587 
588 	SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
589 	SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
590 	SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
591 			   0, pga_event,
592 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
593 	SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
594 			   pga_event,
595 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
596 	SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
597 			   0, pga_event,
598 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
599 	SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
600 			   pga_event,
601 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
602 
603 	SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
604 			   7, 0, &wm8350_right_capt_mixer_controls[0],
605 			   ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
606 
607 	SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
608 			   6, 0, &wm8350_left_capt_mixer_controls[0],
609 			   ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
610 
611 	SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
612 			   &wm8350_out4_mixer_controls[0],
613 			   ARRAY_SIZE(wm8350_out4_mixer_controls)),
614 
615 	SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
616 			   &wm8350_out3_mixer_controls[0],
617 			   ARRAY_SIZE(wm8350_out3_mixer_controls)),
618 
619 	SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
620 			   &wm8350_right_play_mixer_controls[0],
621 			   ARRAY_SIZE(wm8350_right_play_mixer_controls)),
622 
623 	SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
624 			   &wm8350_left_play_mixer_controls[0],
625 			   ARRAY_SIZE(wm8350_left_play_mixer_controls)),
626 
627 	SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
628 			   &wm8350_left_mic_mixer_controls[0],
629 			   ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
630 
631 	SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
632 			   &wm8350_right_mic_mixer_controls[0],
633 			   ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
634 
635 	/* virtual mixer for Beep and Out2R */
636 	SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
637 
638 	SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
639 			    &wm8350_beep_switch_controls),
640 
641 	SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
642 			 WM8350_POWER_MGMT_4, 3, 0),
643 	SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
644 			 WM8350_POWER_MGMT_4, 2, 0),
645 	SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
646 			 WM8350_POWER_MGMT_4, 5, 0),
647 	SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
648 			 WM8350_POWER_MGMT_4, 4, 0),
649 
650 	SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
651 
652 	SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
653 			 &wm8350_out4_capture_controls),
654 
655 	SND_SOC_DAPM_OUTPUT("OUT1R"),
656 	SND_SOC_DAPM_OUTPUT("OUT1L"),
657 	SND_SOC_DAPM_OUTPUT("OUT2R"),
658 	SND_SOC_DAPM_OUTPUT("OUT2L"),
659 	SND_SOC_DAPM_OUTPUT("OUT3"),
660 	SND_SOC_DAPM_OUTPUT("OUT4"),
661 
662 	SND_SOC_DAPM_INPUT("IN1RN"),
663 	SND_SOC_DAPM_INPUT("IN1RP"),
664 	SND_SOC_DAPM_INPUT("IN2R"),
665 	SND_SOC_DAPM_INPUT("IN1LP"),
666 	SND_SOC_DAPM_INPUT("IN1LN"),
667 	SND_SOC_DAPM_INPUT("IN2L"),
668 	SND_SOC_DAPM_INPUT("IN3R"),
669 	SND_SOC_DAPM_INPUT("IN3L"),
670 };
671 
672 static const struct snd_soc_dapm_route wm8350_dapm_routes[] = {
673 
674 	/* left playback mixer */
675 	{"Left Playback Mixer", "Playback Switch", "Left DAC"},
676 	{"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
677 	{"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
678 	{"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
679 	{"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
680 
681 	/* right playback mixer */
682 	{"Right Playback Mixer", "Playback Switch", "Right DAC"},
683 	{"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
684 	{"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
685 	{"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
686 	{"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
687 
688 	/* out4 playback mixer */
689 	{"Out4 Mixer", "Right Playback Switch", "Right DAC"},
690 	{"Out4 Mixer", "Left Playback Switch", "Left DAC"},
691 	{"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
692 	{"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
693 	{"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
694 	{"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
695 	{"OUT4", NULL, "Out4 Mixer"},
696 
697 	/* out3 playback mixer */
698 	{"Out3 Mixer", "Left Playback Switch", "Left DAC"},
699 	{"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
700 	{"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
701 	{"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
702 	{"OUT3", NULL, "Out3 Mixer"},
703 
704 	/* out2 */
705 	{"Right Out2 PGA", NULL, "Right Playback Mixer"},
706 	{"Left Out2 PGA", NULL, "Left Playback Mixer"},
707 	{"OUT2L", NULL, "Left Out2 PGA"},
708 	{"OUT2R", NULL, "Right Out2 PGA"},
709 
710 	/* out1 */
711 	{"Right Out1 PGA", NULL, "Right Playback Mixer"},
712 	{"Left Out1 PGA", NULL, "Left Playback Mixer"},
713 	{"OUT1L", NULL, "Left Out1 PGA"},
714 	{"OUT1R", NULL, "Right Out1 PGA"},
715 
716 	/* ADCs */
717 	{"Left ADC", NULL, "Left Capture Mixer"},
718 	{"Right ADC", NULL, "Right Capture Mixer"},
719 
720 	/* Left capture mixer */
721 	{"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
722 	{"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
723 	{"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
724 	{"Left Capture Mixer", NULL, "Out4 Capture Channel"},
725 
726 	/* Right capture mixer */
727 	{"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
728 	{"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
729 	{"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
730 	{"Right Capture Mixer", NULL, "Out4 Capture Channel"},
731 
732 	/* L3 Inputs */
733 	{"IN3L PGA", NULL, "IN3L"},
734 	{"IN3R PGA", NULL, "IN3R"},
735 
736 	/* Left Mic mixer */
737 	{"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
738 	{"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
739 	{"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
740 
741 	/* Right Mic mixer */
742 	{"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
743 	{"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
744 	{"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
745 
746 	/* out 4 capture */
747 	{"Out4 Capture Channel", NULL, "Out4 Mixer"},
748 
749 	/* Beep */
750 	{"Beep", NULL, "IN3R PGA"},
751 };
752 
753 static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
754 				 int clk_id, unsigned int freq, int dir)
755 {
756 	struct snd_soc_codec *codec = codec_dai->codec;
757 	struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
758 	struct wm8350 *wm8350 = wm8350_data->wm8350;
759 	u16 fll_4;
760 
761 	switch (clk_id) {
762 	case WM8350_MCLK_SEL_MCLK:
763 		wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
764 				  WM8350_MCLK_SEL);
765 		break;
766 	case WM8350_MCLK_SEL_PLL_MCLK:
767 	case WM8350_MCLK_SEL_PLL_DAC:
768 	case WM8350_MCLK_SEL_PLL_ADC:
769 	case WM8350_MCLK_SEL_PLL_32K:
770 		wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
771 				WM8350_MCLK_SEL);
772 		fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) &
773 		    ~WM8350_FLL_CLK_SRC_MASK;
774 		snd_soc_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
775 		break;
776 	}
777 
778 	/* MCLK direction */
779 	if (dir == SND_SOC_CLOCK_OUT)
780 		wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
781 				WM8350_MCLK_DIR);
782 	else
783 		wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
784 				  WM8350_MCLK_DIR);
785 
786 	return 0;
787 }
788 
789 static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
790 {
791 	struct snd_soc_codec *codec = codec_dai->codec;
792 	u16 val;
793 
794 	switch (div_id) {
795 	case WM8350_ADC_CLKDIV:
796 		val = snd_soc_read(codec, WM8350_ADC_DIVIDER) &
797 		    ~WM8350_ADC_CLKDIV_MASK;
798 		snd_soc_write(codec, WM8350_ADC_DIVIDER, val | div);
799 		break;
800 	case WM8350_DAC_CLKDIV:
801 		val = snd_soc_read(codec, WM8350_DAC_CLOCK_CONTROL) &
802 		    ~WM8350_DAC_CLKDIV_MASK;
803 		snd_soc_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
804 		break;
805 	case WM8350_BCLK_CLKDIV:
806 		val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
807 		    ~WM8350_BCLK_DIV_MASK;
808 		snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
809 		break;
810 	case WM8350_OPCLK_CLKDIV:
811 		val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
812 		    ~WM8350_OPCLK_DIV_MASK;
813 		snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
814 		break;
815 	case WM8350_SYS_CLKDIV:
816 		val = snd_soc_read(codec, WM8350_CLOCK_CONTROL_1) &
817 		    ~WM8350_MCLK_DIV_MASK;
818 		snd_soc_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
819 		break;
820 	case WM8350_DACLR_CLKDIV:
821 		val = snd_soc_read(codec, WM8350_DAC_LR_RATE) &
822 		    ~WM8350_DACLRC_RATE_MASK;
823 		snd_soc_write(codec, WM8350_DAC_LR_RATE, val | div);
824 		break;
825 	case WM8350_ADCLR_CLKDIV:
826 		val = snd_soc_read(codec, WM8350_ADC_LR_RATE) &
827 		    ~WM8350_ADCLRC_RATE_MASK;
828 		snd_soc_write(codec, WM8350_ADC_LR_RATE, val | div);
829 		break;
830 	default:
831 		return -EINVAL;
832 	}
833 
834 	return 0;
835 }
836 
837 static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
838 {
839 	struct snd_soc_codec *codec = codec_dai->codec;
840 	u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) &
841 	    ~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
842 	u16 master = snd_soc_read(codec, WM8350_AI_DAC_CONTROL) &
843 	    ~WM8350_BCLK_MSTR;
844 	u16 dac_lrc = snd_soc_read(codec, WM8350_DAC_LR_RATE) &
845 	    ~WM8350_DACLRC_ENA;
846 	u16 adc_lrc = snd_soc_read(codec, WM8350_ADC_LR_RATE) &
847 	    ~WM8350_ADCLRC_ENA;
848 
849 	/* set master/slave audio interface */
850 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
851 	case SND_SOC_DAIFMT_CBM_CFM:
852 		master |= WM8350_BCLK_MSTR;
853 		dac_lrc |= WM8350_DACLRC_ENA;
854 		adc_lrc |= WM8350_ADCLRC_ENA;
855 		break;
856 	case SND_SOC_DAIFMT_CBS_CFS:
857 		break;
858 	default:
859 		return -EINVAL;
860 	}
861 
862 	/* interface format */
863 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
864 	case SND_SOC_DAIFMT_I2S:
865 		iface |= 0x2 << 8;
866 		break;
867 	case SND_SOC_DAIFMT_RIGHT_J:
868 		break;
869 	case SND_SOC_DAIFMT_LEFT_J:
870 		iface |= 0x1 << 8;
871 		break;
872 	case SND_SOC_DAIFMT_DSP_A:
873 		iface |= 0x3 << 8;
874 		break;
875 	case SND_SOC_DAIFMT_DSP_B:
876 		iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV;
877 		break;
878 	default:
879 		return -EINVAL;
880 	}
881 
882 	/* clock inversion */
883 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
884 	case SND_SOC_DAIFMT_NB_NF:
885 		break;
886 	case SND_SOC_DAIFMT_IB_IF:
887 		iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
888 		break;
889 	case SND_SOC_DAIFMT_IB_NF:
890 		iface |= WM8350_AIF_BCLK_INV;
891 		break;
892 	case SND_SOC_DAIFMT_NB_IF:
893 		iface |= WM8350_AIF_LRCLK_INV;
894 		break;
895 	default:
896 		return -EINVAL;
897 	}
898 
899 	snd_soc_write(codec, WM8350_AI_FORMATING, iface);
900 	snd_soc_write(codec, WM8350_AI_DAC_CONTROL, master);
901 	snd_soc_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
902 	snd_soc_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
903 	return 0;
904 }
905 
906 static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
907 				struct snd_pcm_hw_params *params,
908 				struct snd_soc_dai *codec_dai)
909 {
910 	struct snd_soc_codec *codec = codec_dai->codec;
911 	struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
912 	struct wm8350 *wm8350 = wm8350_data->wm8350;
913 	u16 iface = snd_soc_read(codec, WM8350_AI_FORMATING) &
914 	    ~WM8350_AIF_WL_MASK;
915 
916 	/* bit size */
917 	switch (params_width(params)) {
918 	case 16:
919 		break;
920 	case 20:
921 		iface |= 0x1 << 10;
922 		break;
923 	case 24:
924 		iface |= 0x2 << 10;
925 		break;
926 	case 32:
927 		iface |= 0x3 << 10;
928 		break;
929 	}
930 
931 	snd_soc_write(codec, WM8350_AI_FORMATING, iface);
932 
933 	/* The sloping stopband filter is recommended for use with
934 	 * lower sample rates to improve performance.
935 	 */
936 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
937 		if (params_rate(params) < 24000)
938 			wm8350_set_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
939 					WM8350_DAC_SB_FILT);
940 		else
941 			wm8350_clear_bits(wm8350, WM8350_DAC_MUTE_VOLUME,
942 					  WM8350_DAC_SB_FILT);
943 	}
944 
945 	return 0;
946 }
947 
948 static int wm8350_mute(struct snd_soc_dai *dai, int mute)
949 {
950 	struct snd_soc_codec *codec = dai->codec;
951 	unsigned int val;
952 
953 	if (mute)
954 		val = WM8350_DAC_MUTE_ENA;
955 	else
956 		val = 0;
957 
958 	snd_soc_update_bits(codec, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA, val);
959 
960 	return 0;
961 }
962 
963 /* FLL divisors */
964 struct _fll_div {
965 	int div;		/* FLL_OUTDIV */
966 	int n;
967 	int k;
968 	int ratio;		/* FLL_FRATIO */
969 };
970 
971 /* The size in bits of the fll divide multiplied by 10
972  * to allow rounding later */
973 #define FIXED_FLL_SIZE ((1 << 16) * 10)
974 
975 static inline int fll_factors(struct _fll_div *fll_div, unsigned int input,
976 			      unsigned int output)
977 {
978 	u64 Kpart;
979 	unsigned int t1, t2, K, Nmod;
980 
981 	if (output >= 2815250 && output <= 3125000)
982 		fll_div->div = 0x4;
983 	else if (output >= 5625000 && output <= 6250000)
984 		fll_div->div = 0x3;
985 	else if (output >= 11250000 && output <= 12500000)
986 		fll_div->div = 0x2;
987 	else if (output >= 22500000 && output <= 25000000)
988 		fll_div->div = 0x1;
989 	else {
990 		printk(KERN_ERR "wm8350: fll freq %d out of range\n", output);
991 		return -EINVAL;
992 	}
993 
994 	if (input > 48000)
995 		fll_div->ratio = 1;
996 	else
997 		fll_div->ratio = 8;
998 
999 	t1 = output * (1 << (fll_div->div + 1));
1000 	t2 = input * fll_div->ratio;
1001 
1002 	fll_div->n = t1 / t2;
1003 	Nmod = t1 % t2;
1004 
1005 	if (Nmod) {
1006 		Kpart = FIXED_FLL_SIZE * (long long)Nmod;
1007 		do_div(Kpart, t2);
1008 		K = Kpart & 0xFFFFFFFF;
1009 
1010 		/* Check if we need to round */
1011 		if ((K % 10) >= 5)
1012 			K += 5;
1013 
1014 		/* Move down to proper range now rounding is done */
1015 		K /= 10;
1016 		fll_div->k = K;
1017 	} else
1018 		fll_div->k = 0;
1019 
1020 	return 0;
1021 }
1022 
1023 static int wm8350_set_fll(struct snd_soc_dai *codec_dai,
1024 			  int pll_id, int source, unsigned int freq_in,
1025 			  unsigned int freq_out)
1026 {
1027 	struct snd_soc_codec *codec = codec_dai->codec;
1028 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1029 	struct wm8350 *wm8350 = priv->wm8350;
1030 	struct _fll_div fll_div;
1031 	int ret = 0;
1032 	u16 fll_1, fll_4;
1033 
1034 	if (freq_in == priv->fll_freq_in && freq_out == priv->fll_freq_out)
1035 		return 0;
1036 
1037 	/* power down FLL - we need to do this for reconfiguration */
1038 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1039 			  WM8350_FLL_ENA | WM8350_FLL_OSC_ENA);
1040 
1041 	if (freq_out == 0 || freq_in == 0)
1042 		return ret;
1043 
1044 	ret = fll_factors(&fll_div, freq_in, freq_out);
1045 	if (ret < 0)
1046 		return ret;
1047 	dev_dbg(wm8350->dev,
1048 		"FLL in %u FLL out %u N 0x%x K 0x%x div %d ratio %d",
1049 		freq_in, freq_out, fll_div.n, fll_div.k, fll_div.div,
1050 		fll_div.ratio);
1051 
1052 	/* set up N.K & dividers */
1053 	fll_1 = snd_soc_read(codec, WM8350_FLL_CONTROL_1) &
1054 	    ~(WM8350_FLL_OUTDIV_MASK | WM8350_FLL_RSP_RATE_MASK | 0xc000);
1055 	snd_soc_write(codec, WM8350_FLL_CONTROL_1,
1056 			   fll_1 | (fll_div.div << 8) | 0x50);
1057 	snd_soc_write(codec, WM8350_FLL_CONTROL_2,
1058 			   (fll_div.ratio << 11) | (fll_div.
1059 						    n & WM8350_FLL_N_MASK));
1060 	snd_soc_write(codec, WM8350_FLL_CONTROL_3, fll_div.k);
1061 	fll_4 = snd_soc_read(codec, WM8350_FLL_CONTROL_4) &
1062 	    ~(WM8350_FLL_FRAC | WM8350_FLL_SLOW_LOCK_REF);
1063 	snd_soc_write(codec, WM8350_FLL_CONTROL_4,
1064 			   fll_4 | (fll_div.k ? WM8350_FLL_FRAC : 0) |
1065 			   (fll_div.ratio == 8 ? WM8350_FLL_SLOW_LOCK_REF : 0));
1066 
1067 	/* power FLL on */
1068 	wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_OSC_ENA);
1069 	wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_FLL_ENA);
1070 
1071 	priv->fll_freq_out = freq_out;
1072 	priv->fll_freq_in = freq_in;
1073 
1074 	return 0;
1075 }
1076 
1077 static int wm8350_set_bias_level(struct snd_soc_codec *codec,
1078 				 enum snd_soc_bias_level level)
1079 {
1080 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1081 	struct wm8350 *wm8350 = priv->wm8350;
1082 	struct wm8350_audio_platform_data *platform =
1083 		wm8350->codec.platform_data;
1084 	u16 pm1;
1085 	int ret;
1086 
1087 	switch (level) {
1088 	case SND_SOC_BIAS_ON:
1089 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1090 		    ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1091 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1092 				 pm1 | WM8350_VMID_50K |
1093 				 platform->codec_current_on << 14);
1094 		break;
1095 
1096 	case SND_SOC_BIAS_PREPARE:
1097 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1);
1098 		pm1 &= ~WM8350_VMID_MASK;
1099 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1100 				 pm1 | WM8350_VMID_50K);
1101 		break;
1102 
1103 	case SND_SOC_BIAS_STANDBY:
1104 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1105 			ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
1106 						    priv->supplies);
1107 			if (ret != 0)
1108 				return ret;
1109 
1110 			/* Enable the system clock */
1111 			wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4,
1112 					WM8350_SYSCLK_ENA);
1113 
1114 			/* mute DAC & outputs */
1115 			wm8350_set_bits(wm8350, WM8350_DAC_MUTE,
1116 					WM8350_DAC_MUTE_ENA);
1117 
1118 			/* discharge cap memory */
1119 			wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1120 					 platform->dis_out1 |
1121 					 (platform->dis_out2 << 2) |
1122 					 (platform->dis_out3 << 4) |
1123 					 (platform->dis_out4 << 6));
1124 
1125 			/* wait for discharge */
1126 			schedule_timeout_interruptible(msecs_to_jiffies
1127 						       (platform->
1128 							cap_discharge_msecs));
1129 
1130 			/* enable antipop */
1131 			wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1132 					 (platform->vmid_s_curve << 8));
1133 
1134 			/* ramp up vmid */
1135 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1136 					 (platform->
1137 					  codec_current_charge << 14) |
1138 					 WM8350_VMID_5K | WM8350_VMIDEN |
1139 					 WM8350_VBUFEN);
1140 
1141 			/* wait for vmid */
1142 			schedule_timeout_interruptible(msecs_to_jiffies
1143 						       (platform->
1144 							vmid_charge_msecs));
1145 
1146 			/* turn on vmid 300k  */
1147 			pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1148 			    ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1149 			pm1 |= WM8350_VMID_300K |
1150 				(platform->codec_current_standby << 14);
1151 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1152 					 pm1);
1153 
1154 
1155 			/* enable analogue bias */
1156 			pm1 |= WM8350_BIASEN;
1157 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1158 
1159 			/* disable antipop */
1160 			wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1161 
1162 		} else {
1163 			/* turn on vmid 300k and reduce current */
1164 			pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1165 			    ~(WM8350_VMID_MASK | WM8350_CODEC_ISEL_MASK);
1166 			wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1167 					 pm1 | WM8350_VMID_300K |
1168 					 (platform->
1169 					  codec_current_standby << 14));
1170 
1171 		}
1172 		break;
1173 
1174 	case SND_SOC_BIAS_OFF:
1175 
1176 		/* mute DAC & enable outputs */
1177 		wm8350_set_bits(wm8350, WM8350_DAC_MUTE, WM8350_DAC_MUTE_ENA);
1178 
1179 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_3,
1180 				WM8350_OUT1L_ENA | WM8350_OUT1R_ENA |
1181 				WM8350_OUT2L_ENA | WM8350_OUT2R_ENA);
1182 
1183 		/* enable anti pop S curve */
1184 		wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1185 				 (platform->vmid_s_curve << 8));
1186 
1187 		/* turn off vmid  */
1188 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1189 		    ~WM8350_VMIDEN;
1190 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1191 
1192 		/* wait */
1193 		schedule_timeout_interruptible(msecs_to_jiffies
1194 					       (platform->
1195 						vmid_discharge_msecs));
1196 
1197 		wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL,
1198 				 (platform->vmid_s_curve << 8) |
1199 				 platform->dis_out1 |
1200 				 (platform->dis_out2 << 2) |
1201 				 (platform->dis_out3 << 4) |
1202 				 (platform->dis_out4 << 6));
1203 
1204 		/* turn off VBuf and drain */
1205 		pm1 = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_1) &
1206 		    ~(WM8350_VBUFEN | WM8350_VMID_MASK);
1207 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1,
1208 				 pm1 | WM8350_OUTPUT_DRAIN_EN);
1209 
1210 		/* wait */
1211 		schedule_timeout_interruptible(msecs_to_jiffies
1212 					       (platform->drain_msecs));
1213 
1214 		pm1 &= ~WM8350_BIASEN;
1215 		wm8350_reg_write(wm8350, WM8350_POWER_MGMT_1, pm1);
1216 
1217 		/* disable anti-pop */
1218 		wm8350_reg_write(wm8350, WM8350_ANTI_POP_CONTROL, 0);
1219 
1220 		wm8350_clear_bits(wm8350, WM8350_LOUT1_VOLUME,
1221 				  WM8350_OUT1L_ENA);
1222 		wm8350_clear_bits(wm8350, WM8350_ROUT1_VOLUME,
1223 				  WM8350_OUT1R_ENA);
1224 		wm8350_clear_bits(wm8350, WM8350_LOUT2_VOLUME,
1225 				  WM8350_OUT2L_ENA);
1226 		wm8350_clear_bits(wm8350, WM8350_ROUT2_VOLUME,
1227 				  WM8350_OUT2R_ENA);
1228 
1229 		/* disable clock gen */
1230 		wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4,
1231 				  WM8350_SYSCLK_ENA);
1232 
1233 		regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
1234 				       priv->supplies);
1235 		break;
1236 	}
1237 	return 0;
1238 }
1239 
1240 static void wm8350_hp_work(struct wm8350_data *priv,
1241 			   struct wm8350_jack_data *jack,
1242 			   u16 mask)
1243 {
1244 	struct wm8350 *wm8350 = priv->wm8350;
1245 	u16 reg;
1246 	int report;
1247 
1248 	reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1249 	if (reg & mask)
1250 		report = jack->report;
1251 	else
1252 		report = 0;
1253 
1254 	snd_soc_jack_report(jack->jack, report, jack->report);
1255 
1256 }
1257 
1258 static void wm8350_hpl_work(struct work_struct *work)
1259 {
1260 	struct wm8350_data *priv =
1261 	    container_of(work, struct wm8350_data, hpl.work.work);
1262 
1263 	wm8350_hp_work(priv, &priv->hpl, WM8350_JACK_L_LVL);
1264 }
1265 
1266 static void wm8350_hpr_work(struct work_struct *work)
1267 {
1268 	struct wm8350_data *priv =
1269 	    container_of(work, struct wm8350_data, hpr.work.work);
1270 
1271 	wm8350_hp_work(priv, &priv->hpr, WM8350_JACK_R_LVL);
1272 }
1273 
1274 static irqreturn_t wm8350_hpl_jack_handler(int irq, void *data)
1275 {
1276 	struct wm8350_data *priv = data;
1277 	struct wm8350 *wm8350 = priv->wm8350;
1278 
1279 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1280 	trace_snd_soc_jack_irq("WM8350 HPL");
1281 #endif
1282 
1283 	if (device_may_wakeup(wm8350->dev))
1284 		pm_wakeup_event(wm8350->dev, 250);
1285 
1286 	queue_delayed_work(system_power_efficient_wq,
1287 			   &priv->hpl.work, msecs_to_jiffies(200));
1288 
1289 	return IRQ_HANDLED;
1290 }
1291 
1292 static irqreturn_t wm8350_hpr_jack_handler(int irq, void *data)
1293 {
1294 	struct wm8350_data *priv = data;
1295 	struct wm8350 *wm8350 = priv->wm8350;
1296 
1297 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1298 	trace_snd_soc_jack_irq("WM8350 HPR");
1299 #endif
1300 
1301 	if (device_may_wakeup(wm8350->dev))
1302 		pm_wakeup_event(wm8350->dev, 250);
1303 
1304 	queue_delayed_work(system_power_efficient_wq,
1305 			   &priv->hpr.work, msecs_to_jiffies(200));
1306 
1307 	return IRQ_HANDLED;
1308 }
1309 
1310 /**
1311  * wm8350_hp_jack_detect - Enable headphone jack detection.
1312  *
1313  * @codec:  WM8350 codec
1314  * @which:  left or right jack detect signal
1315  * @jack:   jack to report detection events on
1316  * @report: value to report
1317  *
1318  * Enables the headphone jack detection of the WM8350.  If no report
1319  * is specified then detection is disabled.
1320  */
1321 int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
1322 			  struct snd_soc_jack *jack, int report)
1323 {
1324 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1325 	struct wm8350 *wm8350 = priv->wm8350;
1326 	int ena;
1327 
1328 	switch (which) {
1329 	case WM8350_JDL:
1330 		priv->hpl.jack = jack;
1331 		priv->hpl.report = report;
1332 		ena = WM8350_JDL_ENA;
1333 		break;
1334 
1335 	case WM8350_JDR:
1336 		priv->hpr.jack = jack;
1337 		priv->hpr.report = report;
1338 		ena = WM8350_JDR_ENA;
1339 		break;
1340 
1341 	default:
1342 		return -EINVAL;
1343 	}
1344 
1345 	if (report) {
1346 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1347 		wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
1348 	} else {
1349 		wm8350_clear_bits(wm8350, WM8350_JACK_DETECT, ena);
1350 	}
1351 
1352 	/* Sync status */
1353 	switch (which) {
1354 	case WM8350_JDL:
1355 		wm8350_hpl_jack_handler(0, priv);
1356 		break;
1357 	case WM8350_JDR:
1358 		wm8350_hpr_jack_handler(0, priv);
1359 		break;
1360 	}
1361 
1362 	return 0;
1363 }
1364 EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
1365 
1366 static irqreturn_t wm8350_mic_handler(int irq, void *data)
1367 {
1368 	struct wm8350_data *priv = data;
1369 	struct wm8350 *wm8350 = priv->wm8350;
1370 	u16 reg;
1371 	int report = 0;
1372 
1373 #ifndef CONFIG_SND_SOC_WM8350_MODULE
1374 	trace_snd_soc_jack_irq("WM8350 mic");
1375 #endif
1376 
1377 	reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
1378 	if (reg & WM8350_JACK_MICSCD_LVL)
1379 		report |= priv->mic.short_report;
1380 	if (reg & WM8350_JACK_MICSD_LVL)
1381 		report |= priv->mic.report;
1382 
1383 	snd_soc_jack_report(priv->mic.jack, report,
1384 			    priv->mic.report | priv->mic.short_report);
1385 
1386 	return IRQ_HANDLED;
1387 }
1388 
1389 /**
1390  * wm8350_mic_jack_detect - Enable microphone jack detection.
1391  *
1392  * @codec:         WM8350 codec
1393  * @jack:          jack to report detection events on
1394  * @detect_report: value to report when presence detected
1395  * @short_report:  value to report when microphone short detected
1396  *
1397  * Enables the microphone jack detection of the WM8350.  If both reports
1398  * are specified as zero then detection is disabled.
1399  */
1400 int wm8350_mic_jack_detect(struct snd_soc_codec *codec,
1401 			   struct snd_soc_jack *jack,
1402 			   int detect_report, int short_report)
1403 {
1404 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1405 	struct wm8350 *wm8350 = priv->wm8350;
1406 
1407 	priv->mic.jack = jack;
1408 	priv->mic.report = detect_report;
1409 	priv->mic.short_report = short_report;
1410 
1411 	if (detect_report || short_report) {
1412 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1413 		wm8350_set_bits(wm8350, WM8350_POWER_MGMT_1,
1414 				WM8350_MIC_DET_ENA);
1415 	} else {
1416 		wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_1,
1417 				  WM8350_MIC_DET_ENA);
1418 	}
1419 
1420 	return 0;
1421 }
1422 EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect);
1423 
1424 #define WM8350_RATES (SNDRV_PCM_RATE_8000_96000)
1425 
1426 #define WM8350_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1427 			SNDRV_PCM_FMTBIT_S20_3LE |\
1428 			SNDRV_PCM_FMTBIT_S24_LE)
1429 
1430 static const struct snd_soc_dai_ops wm8350_dai_ops = {
1431 	 .hw_params	= wm8350_pcm_hw_params,
1432 	 .digital_mute	= wm8350_mute,
1433 	 .set_fmt	= wm8350_set_dai_fmt,
1434 	 .set_sysclk	= wm8350_set_dai_sysclk,
1435 	 .set_pll	= wm8350_set_fll,
1436 	 .set_clkdiv	= wm8350_set_clkdiv,
1437 };
1438 
1439 static struct snd_soc_dai_driver wm8350_dai = {
1440 	.name = "wm8350-hifi",
1441 	.playback = {
1442 		.stream_name = "Playback",
1443 		.channels_min = 1,
1444 		.channels_max = 2,
1445 		.rates = WM8350_RATES,
1446 		.formats = WM8350_FORMATS,
1447 	},
1448 	.capture = {
1449 		 .stream_name = "Capture",
1450 		 .channels_min = 1,
1451 		 .channels_max = 2,
1452 		 .rates = WM8350_RATES,
1453 		 .formats = WM8350_FORMATS,
1454 	 },
1455 	.ops = &wm8350_dai_ops,
1456 };
1457 
1458 static  int wm8350_codec_probe(struct snd_soc_codec *codec)
1459 {
1460 	struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1461 	struct wm8350_data *priv;
1462 	struct wm8350_output *out1;
1463 	struct wm8350_output *out2;
1464 	int ret, i;
1465 
1466 	if (wm8350->codec.platform_data == NULL) {
1467 		dev_err(codec->dev, "No audio platform data supplied\n");
1468 		return -EINVAL;
1469 	}
1470 
1471 	priv = devm_kzalloc(codec->dev, sizeof(struct wm8350_data),
1472 			    GFP_KERNEL);
1473 	if (priv == NULL)
1474 		return -ENOMEM;
1475 	snd_soc_codec_set_drvdata(codec, priv);
1476 
1477 	priv->wm8350 = wm8350;
1478 
1479 	for (i = 0; i < ARRAY_SIZE(supply_names); i++)
1480 		priv->supplies[i].supply = supply_names[i];
1481 
1482 	ret = devm_regulator_bulk_get(wm8350->dev, ARRAY_SIZE(priv->supplies),
1483 				 priv->supplies);
1484 	if (ret != 0)
1485 		return ret;
1486 
1487 	/* Put the codec into reset if it wasn't already */
1488 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1489 
1490 	INIT_DELAYED_WORK(&priv->pga_work, wm8350_pga_work);
1491 	INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work);
1492 	INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work);
1493 
1494 	/* Enable the codec */
1495 	wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1496 
1497 	/* Enable robust clocking mode in ADC */
1498 	snd_soc_write(codec, WM8350_SECURITY, 0xa7);
1499 	snd_soc_write(codec, 0xde, 0x13);
1500 	snd_soc_write(codec, WM8350_SECURITY, 0);
1501 
1502 	/* read OUT1 & OUT2 volumes */
1503 	out1 = &priv->out1;
1504 	out2 = &priv->out2;
1505 	out1->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME) &
1506 			  WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1507 	out1->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME) &
1508 			   WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1509 	out2->left_vol = (wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME) &
1510 			  WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
1511 	out2->right_vol = (wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME) &
1512 			   WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
1513 	wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME, 0);
1514 	wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME, 0);
1515 	wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME, 0);
1516 	wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME, 0);
1517 
1518 	/* Latch VU bits & mute */
1519 	wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME,
1520 			WM8350_OUT1_VU | WM8350_OUT1L_MUTE);
1521 	wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME,
1522 			WM8350_OUT2_VU | WM8350_OUT2L_MUTE);
1523 	wm8350_set_bits(wm8350, WM8350_ROUT1_VOLUME,
1524 			WM8350_OUT1_VU | WM8350_OUT1R_MUTE);
1525 	wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
1526 			WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
1527 
1528 	/* Make sure AIF tristating is disabled by default */
1529 	wm8350_clear_bits(wm8350, WM8350_AI_FORMATING, WM8350_AIF_TRI);
1530 
1531 	/* Make sure we've got a sane companding setup too */
1532 	wm8350_clear_bits(wm8350, WM8350_ADC_DAC_COMP,
1533 			  WM8350_DAC_COMP | WM8350_LOOPBACK);
1534 
1535 	/* Make sure jack detect is disabled to start off with */
1536 	wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1537 			  WM8350_JDL_ENA | WM8350_JDR_ENA);
1538 
1539 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
1540 			    wm8350_hpl_jack_handler, 0, "Left jack detect",
1541 			    priv);
1542 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
1543 			    wm8350_hpr_jack_handler, 0, "Right jack detect",
1544 			    priv);
1545 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICSCD,
1546 			    wm8350_mic_handler, 0, "Microphone short", priv);
1547 	wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_MICD,
1548 			    wm8350_mic_handler, 0, "Microphone detect", priv);
1549 
1550 	return 0;
1551 }
1552 
1553 static int  wm8350_codec_remove(struct snd_soc_codec *codec)
1554 {
1555 	struct wm8350_data *priv = snd_soc_codec_get_drvdata(codec);
1556 	struct wm8350 *wm8350 = dev_get_platdata(codec->dev);
1557 
1558 	wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
1559 			  WM8350_JDL_ENA | WM8350_JDR_ENA);
1560 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
1561 
1562 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICD, priv);
1563 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_MICSCD, priv);
1564 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv);
1565 	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv);
1566 
1567 	priv->hpl.jack = NULL;
1568 	priv->hpr.jack = NULL;
1569 	priv->mic.jack = NULL;
1570 
1571 	cancel_delayed_work_sync(&priv->hpl.work);
1572 	cancel_delayed_work_sync(&priv->hpr.work);
1573 
1574 	/* if there was any work waiting then we run it now and
1575 	 * wait for its completion */
1576 	flush_delayed_work(&priv->pga_work);
1577 
1578 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
1579 
1580 	return 0;
1581 }
1582 
1583 static struct regmap *wm8350_get_regmap(struct device *dev)
1584 {
1585 	struct wm8350 *wm8350 = dev_get_platdata(dev);
1586 
1587 	return wm8350->regmap;
1588 }
1589 
1590 static struct snd_soc_codec_driver soc_codec_dev_wm8350 = {
1591 	.probe =	wm8350_codec_probe,
1592 	.remove =	wm8350_codec_remove,
1593 	.get_regmap =	wm8350_get_regmap,
1594 	.set_bias_level = wm8350_set_bias_level,
1595 	.suspend_bias_off = true,
1596 
1597 	.controls = wm8350_snd_controls,
1598 	.num_controls = ARRAY_SIZE(wm8350_snd_controls),
1599 	.dapm_widgets = wm8350_dapm_widgets,
1600 	.num_dapm_widgets = ARRAY_SIZE(wm8350_dapm_widgets),
1601 	.dapm_routes = wm8350_dapm_routes,
1602 	.num_dapm_routes = ARRAY_SIZE(wm8350_dapm_routes),
1603 };
1604 
1605 static int wm8350_probe(struct platform_device *pdev)
1606 {
1607 	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8350,
1608 			&wm8350_dai, 1);
1609 }
1610 
1611 static int wm8350_remove(struct platform_device *pdev)
1612 {
1613 	snd_soc_unregister_codec(&pdev->dev);
1614 	return 0;
1615 }
1616 
1617 static struct platform_driver wm8350_codec_driver = {
1618 	.driver = {
1619 		   .name = "wm8350-codec",
1620 		   },
1621 	.probe = wm8350_probe,
1622 	.remove = wm8350_remove,
1623 };
1624 
1625 module_platform_driver(wm8350_codec_driver);
1626 
1627 MODULE_DESCRIPTION("ASoC WM8350 driver");
1628 MODULE_AUTHOR("Liam Girdwood");
1629 MODULE_LICENSE("GPL");
1630 MODULE_ALIAS("platform:wm8350-codec");
1631