xref: /openbmc/linux/sound/soc/codecs/wm8400.c (revision bc5aa3a0)
1 /*
2  * wm8400.c  --  WM8400 ALSA Soc Audio driver
3  *
4  * Copyright 2008-11 Wolfson Microelectronics PLC.
5  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  */
13 
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/kernel.h>
17 #include <linux/slab.h>
18 #include <linux/init.h>
19 #include <linux/delay.h>
20 #include <linux/pm.h>
21 #include <linux/platform_device.h>
22 #include <linux/regulator/consumer.h>
23 #include <linux/mfd/wm8400-audio.h>
24 #include <linux/mfd/wm8400-private.h>
25 #include <linux/mfd/core.h>
26 #include <sound/core.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/initval.h>
31 #include <sound/tlv.h>
32 
33 #include "wm8400.h"
34 
35 static struct regulator_bulk_data power[] = {
36 	{
37 		.supply = "I2S1VDD",
38 	},
39 	{
40 		.supply = "I2S2VDD",
41 	},
42 	{
43 		.supply = "DCVDD",
44 	},
45 	{
46 		.supply = "AVDD",
47 	},
48 	{
49 		.supply = "FLLVDD",
50 	},
51 	{
52 		.supply = "HPVDD",
53 	},
54 	{
55 		.supply = "SPKVDD",
56 	},
57 };
58 
59 /* codec private data */
60 struct wm8400_priv {
61 	struct wm8400 *wm8400;
62 	u16 fake_register;
63 	unsigned int sysclk;
64 	unsigned int pcmclk;
65 	int fll_in, fll_out;
66 };
67 
68 static void wm8400_codec_reset(struct snd_soc_codec *codec)
69 {
70 	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
71 
72 	wm8400_reset_codec_reg_cache(wm8400->wm8400);
73 }
74 
75 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
76 
77 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
78 
79 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
80 
81 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
82 
83 static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
84 
85 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
86 
87 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
88 
89 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
90 
91 static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
92         struct snd_ctl_elem_value *ucontrol)
93 {
94 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
95 	struct soc_mixer_control *mc =
96 		(struct soc_mixer_control *)kcontrol->private_value;
97 	int reg = mc->reg;
98         int ret;
99         u16 val;
100 
101         ret = snd_soc_put_volsw(kcontrol, ucontrol);
102         if (ret < 0)
103                 return ret;
104 
105         /* now hit the volume update bits (always bit 8) */
106         val = snd_soc_read(codec, reg);
107         return snd_soc_write(codec, reg, val | 0x0100);
108 }
109 
110 #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
111 	SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
112 		snd_soc_get_volsw, wm8400_outpga_put_volsw_vu, tlv_array)
113 
114 
115 static const char *wm8400_digital_sidetone[] =
116 	{"None", "Left ADC", "Right ADC", "Reserved"};
117 
118 static SOC_ENUM_SINGLE_DECL(wm8400_left_digital_sidetone_enum,
119 			    WM8400_DIGITAL_SIDE_TONE,
120 			    WM8400_ADC_TO_DACL_SHIFT,
121 			    wm8400_digital_sidetone);
122 
123 static SOC_ENUM_SINGLE_DECL(wm8400_right_digital_sidetone_enum,
124 			    WM8400_DIGITAL_SIDE_TONE,
125 			    WM8400_ADC_TO_DACR_SHIFT,
126 			    wm8400_digital_sidetone);
127 
128 static const char *wm8400_adcmode[] =
129 	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
130 
131 static SOC_ENUM_SINGLE_DECL(wm8400_right_adcmode_enum,
132 			    WM8400_ADC_CTRL,
133 			    WM8400_ADC_HPF_CUT_SHIFT,
134 			    wm8400_adcmode);
135 
136 static const struct snd_kcontrol_new wm8400_snd_controls[] = {
137 /* INMIXL */
138 SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
139 	   1, 0),
140 SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
141 	   1, 0),
142 /* INMIXR */
143 SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
144 	   1, 0),
145 SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
146 	   1, 0),
147 
148 /* LOMIX */
149 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
150 	WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
151 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
152 	WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
153 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
154 	WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
155 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
156 	WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
157 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
158 	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
159 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
160 	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
161 
162 /* ROMIX */
163 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
164 	WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
165 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
166 	WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
167 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
168 	WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
169 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
170 	WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
171 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
172 	WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
173 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
174 	WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
175 
176 /* LOUT */
177 WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
178 	WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
179 SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
180 
181 /* ROUT */
182 WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
183 	WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
184 SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
185 
186 /* LOPGA */
187 WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
188 	WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
189 SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
190 	WM8400_LOPGAZC_SHIFT, 1, 0),
191 
192 /* ROPGA */
193 WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
194 	WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
195 SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
196 	WM8400_ROPGAZC_SHIFT, 1, 0),
197 
198 SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
199 	WM8400_LONMUTE_SHIFT, 1, 0),
200 SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
201 	WM8400_LOPMUTE_SHIFT, 1, 0),
202 SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
203 	WM8400_LOATTN_SHIFT, 1, 0),
204 SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
205 	WM8400_RONMUTE_SHIFT, 1, 0),
206 SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
207 	WM8400_ROPMUTE_SHIFT, 1, 0),
208 SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
209 	WM8400_ROATTN_SHIFT, 1, 0),
210 
211 SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
212 	WM8400_OUT3MUTE_SHIFT, 1, 0),
213 SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
214 	WM8400_OUT3ATTN_SHIFT, 1, 0),
215 
216 SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
217 	WM8400_OUT4MUTE_SHIFT, 1, 0),
218 SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
219 	WM8400_OUT4ATTN_SHIFT, 1, 0),
220 
221 SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
222 	WM8400_CDMODE_SHIFT, 1, 0),
223 
224 SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
225 	WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
226 SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
227 	WM8400_DCGAIN_SHIFT, 6, 0),
228 SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
229 	WM8400_ACGAIN_SHIFT, 6, 0),
230 
231 WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
232 	WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
233 	127, 0, out_dac_tlv),
234 
235 WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
236 	WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
237 	127, 0, out_dac_tlv),
238 
239 SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
240 SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
241 
242 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
243 	WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
244 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
245 	WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
246 
247 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
248 	WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
249 
250 SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
251 
252 WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
253 	WM8400_LEFT_ADC_DIGITAL_VOLUME,
254 	WM8400_ADCL_VOL_SHIFT,
255 	WM8400_ADCL_VOL_MASK,
256 	0,
257 	in_adc_tlv),
258 
259 WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
260 	WM8400_RIGHT_ADC_DIGITAL_VOLUME,
261 	WM8400_ADCR_VOL_SHIFT,
262 	WM8400_ADCR_VOL_MASK,
263 	0,
264 	in_adc_tlv),
265 
266 WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
267 	WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
268 	WM8400_LIN12VOL_SHIFT,
269 	WM8400_LIN12VOL_MASK,
270 	0,
271 	in_pga_tlv),
272 
273 SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
274 	WM8400_LI12ZC_SHIFT, 1, 0),
275 
276 SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
277 	WM8400_LI12MUTE_SHIFT, 1, 0),
278 
279 WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
280 	WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
281 	WM8400_LIN34VOL_SHIFT,
282 	WM8400_LIN34VOL_MASK,
283 	0,
284 	in_pga_tlv),
285 
286 SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
287 	WM8400_LI34ZC_SHIFT, 1, 0),
288 
289 SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
290 	WM8400_LI34MUTE_SHIFT, 1, 0),
291 
292 WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
293 	WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
294 	WM8400_RIN12VOL_SHIFT,
295 	WM8400_RIN12VOL_MASK,
296 	0,
297 	in_pga_tlv),
298 
299 SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
300 	WM8400_RI12ZC_SHIFT, 1, 0),
301 
302 SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
303 	WM8400_RI12MUTE_SHIFT, 1, 0),
304 
305 WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
306 	WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
307 	WM8400_RIN34VOL_SHIFT,
308 	WM8400_RIN34VOL_MASK,
309 	0,
310 	in_pga_tlv),
311 
312 SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
313 	WM8400_RI34ZC_SHIFT, 1, 0),
314 
315 SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
316 	WM8400_RI34MUTE_SHIFT, 1, 0),
317 
318 };
319 
320 /*
321  * _DAPM_ Controls
322  */
323 
324 static int outmixer_event (struct snd_soc_dapm_widget *w,
325 	struct snd_kcontrol * kcontrol, int event)
326 {
327 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
328 	struct soc_mixer_control *mc =
329 		(struct soc_mixer_control *)kcontrol->private_value;
330 	u32 reg_shift = mc->shift;
331 	int ret = 0;
332 	u16 reg;
333 
334 	switch (reg_shift) {
335 	case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
336 		reg = snd_soc_read(codec, WM8400_OUTPUT_MIXER1);
337 		if (reg & WM8400_LDLO) {
338 			printk(KERN_WARNING
339 			"Cannot set as Output Mixer 1 LDLO Set\n");
340 			ret = -1;
341 		}
342 		break;
343 	case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
344 		reg = snd_soc_read(codec, WM8400_OUTPUT_MIXER2);
345 		if (reg & WM8400_RDRO) {
346 			printk(KERN_WARNING
347 			"Cannot set as Output Mixer 2 RDRO Set\n");
348 			ret = -1;
349 		}
350 		break;
351 	case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
352 		reg = snd_soc_read(codec, WM8400_SPEAKER_MIXER);
353 		if (reg & WM8400_LDSPK) {
354 			printk(KERN_WARNING
355 			"Cannot set as Speaker Mixer LDSPK Set\n");
356 			ret = -1;
357 		}
358 		break;
359 	case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
360 		reg = snd_soc_read(codec, WM8400_SPEAKER_MIXER);
361 		if (reg & WM8400_RDSPK) {
362 			printk(KERN_WARNING
363 			"Cannot set as Speaker Mixer RDSPK Set\n");
364 			ret = -1;
365 		}
366 		break;
367 	}
368 
369 	return ret;
370 }
371 
372 /* INMIX dB values */
373 static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
374 
375 /* Left In PGA Connections */
376 static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
377 SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
378 SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
379 };
380 
381 static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
382 SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
383 SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
384 };
385 
386 /* Right In PGA Connections */
387 static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
388 SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
389 SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
390 };
391 
392 static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
393 SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
394 SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
395 };
396 
397 /* INMIXL */
398 static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
399 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
400 	WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
401 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
402 	7, 0, in_mix_tlv),
403 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
404 		1, 0),
405 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
406 		1, 0),
407 };
408 
409 /* INMIXR */
410 static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
411 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
412 	WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
413 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
414 	7, 0, in_mix_tlv),
415 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
416 	1, 0),
417 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
418 	1, 0),
419 };
420 
421 /* AINLMUX */
422 static const char *wm8400_ainlmux[] =
423 	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
424 
425 static SOC_ENUM_SINGLE_DECL(wm8400_ainlmux_enum,
426 			    WM8400_INPUT_MIXER1,
427 			    WM8400_AINLMODE_SHIFT,
428 			    wm8400_ainlmux);
429 
430 static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
431 SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
432 
433 /* DIFFINL */
434 
435 /* AINRMUX */
436 static const char *wm8400_ainrmux[] =
437 	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
438 
439 static SOC_ENUM_SINGLE_DECL(wm8400_ainrmux_enum,
440 			    WM8400_INPUT_MIXER1,
441 			    WM8400_AINRMODE_SHIFT,
442 			    wm8400_ainrmux);
443 
444 static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
445 SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
446 
447 /* RXVOICE */
448 static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
449 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
450 			WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
451 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
452 			WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
453 };
454 
455 /* LOMIX */
456 static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
457 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
458 	WM8400_LRBLO_SHIFT, 1, 0),
459 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
460 	WM8400_LLBLO_SHIFT, 1, 0),
461 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
462 	WM8400_LRI3LO_SHIFT, 1, 0),
463 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
464 	WM8400_LLI3LO_SHIFT, 1, 0),
465 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
466 	WM8400_LR12LO_SHIFT, 1, 0),
467 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
468 	WM8400_LL12LO_SHIFT, 1, 0),
469 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
470 	WM8400_LDLO_SHIFT, 1, 0),
471 };
472 
473 /* ROMIX */
474 static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
475 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
476 	WM8400_RLBRO_SHIFT, 1, 0),
477 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
478 	WM8400_RRBRO_SHIFT, 1, 0),
479 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
480 	WM8400_RLI3RO_SHIFT, 1, 0),
481 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
482 	WM8400_RRI3RO_SHIFT, 1, 0),
483 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
484 	WM8400_RL12RO_SHIFT, 1, 0),
485 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
486 	WM8400_RR12RO_SHIFT, 1, 0),
487 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
488 	WM8400_RDRO_SHIFT, 1, 0),
489 };
490 
491 /* LONMIX */
492 static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
493 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
494 	WM8400_LLOPGALON_SHIFT, 1, 0),
495 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
496 	WM8400_LROPGALON_SHIFT, 1, 0),
497 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
498 	WM8400_LOPLON_SHIFT, 1, 0),
499 };
500 
501 /* LOPMIX */
502 static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
503 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
504 	WM8400_LR12LOP_SHIFT, 1, 0),
505 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
506 	WM8400_LL12LOP_SHIFT, 1, 0),
507 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
508 	WM8400_LLOPGALOP_SHIFT, 1, 0),
509 };
510 
511 /* RONMIX */
512 static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
513 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
514 	WM8400_RROPGARON_SHIFT, 1, 0),
515 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
516 	WM8400_RLOPGARON_SHIFT, 1, 0),
517 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
518 	WM8400_ROPRON_SHIFT, 1, 0),
519 };
520 
521 /* ROPMIX */
522 static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
523 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
524 	WM8400_RL12ROP_SHIFT, 1, 0),
525 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
526 	WM8400_RR12ROP_SHIFT, 1, 0),
527 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
528 	WM8400_RROPGAROP_SHIFT, 1, 0),
529 };
530 
531 /* OUT3MIX */
532 static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
533 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
534 	WM8400_LI4O3_SHIFT, 1, 0),
535 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
536 	WM8400_LPGAO3_SHIFT, 1, 0),
537 };
538 
539 /* OUT4MIX */
540 static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
541 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
542 	WM8400_RPGAO4_SHIFT, 1, 0),
543 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
544 	WM8400_RI4O4_SHIFT, 1, 0),
545 };
546 
547 /* SPKMIX */
548 static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
549 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
550 	WM8400_LI2SPK_SHIFT, 1, 0),
551 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
552 	WM8400_LB2SPK_SHIFT, 1, 0),
553 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
554 	WM8400_LOPGASPK_SHIFT, 1, 0),
555 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
556 	WM8400_LDSPK_SHIFT, 1, 0),
557 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
558 	WM8400_RDSPK_SHIFT, 1, 0),
559 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
560 	WM8400_ROPGASPK_SHIFT, 1, 0),
561 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
562 	WM8400_RL12ROP_SHIFT, 1, 0),
563 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
564 	WM8400_RI2SPK_SHIFT, 1, 0),
565 };
566 
567 static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
568 /* Input Side */
569 /* Input Lines */
570 SND_SOC_DAPM_INPUT("LIN1"),
571 SND_SOC_DAPM_INPUT("LIN2"),
572 SND_SOC_DAPM_INPUT("LIN3"),
573 SND_SOC_DAPM_INPUT("LIN4/RXN"),
574 SND_SOC_DAPM_INPUT("RIN3"),
575 SND_SOC_DAPM_INPUT("RIN4/RXP"),
576 SND_SOC_DAPM_INPUT("RIN1"),
577 SND_SOC_DAPM_INPUT("RIN2"),
578 SND_SOC_DAPM_INPUT("Internal ADC Source"),
579 
580 /* DACs */
581 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
582 	WM8400_ADCL_ENA_SHIFT, 0),
583 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
584 	WM8400_ADCR_ENA_SHIFT, 0),
585 
586 /* Input PGAs */
587 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
588 		   WM8400_LIN12_ENA_SHIFT,
589 		   0, &wm8400_dapm_lin12_pga_controls[0],
590 		   ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
591 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
592 		   WM8400_LIN34_ENA_SHIFT,
593 		   0, &wm8400_dapm_lin34_pga_controls[0],
594 		   ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
595 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
596 		   WM8400_RIN12_ENA_SHIFT,
597 		   0, &wm8400_dapm_rin12_pga_controls[0],
598 		   ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
599 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
600 		   WM8400_RIN34_ENA_SHIFT,
601 		   0, &wm8400_dapm_rin34_pga_controls[0],
602 		   ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
603 
604 SND_SOC_DAPM_SUPPLY("INL", WM8400_POWER_MANAGEMENT_2, WM8400_AINL_ENA_SHIFT,
605 		    0, NULL, 0),
606 SND_SOC_DAPM_SUPPLY("INR", WM8400_POWER_MANAGEMENT_2, WM8400_AINR_ENA_SHIFT,
607 		    0, NULL, 0),
608 
609 /* INMIXL */
610 SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
611 	&wm8400_dapm_inmixl_controls[0],
612 	ARRAY_SIZE(wm8400_dapm_inmixl_controls)),
613 
614 /* AINLMUX */
615 SND_SOC_DAPM_MUX("AILNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainlmux_controls),
616 
617 /* INMIXR */
618 SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
619 	&wm8400_dapm_inmixr_controls[0],
620 	ARRAY_SIZE(wm8400_dapm_inmixr_controls)),
621 
622 /* AINRMUX */
623 SND_SOC_DAPM_MUX("AIRNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainrmux_controls),
624 
625 /* Output Side */
626 /* DACs */
627 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
628 	WM8400_DACL_ENA_SHIFT, 0),
629 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
630 	WM8400_DACR_ENA_SHIFT, 0),
631 
632 /* LOMIX */
633 SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
634 		     WM8400_LOMIX_ENA_SHIFT,
635 		     0, &wm8400_dapm_lomix_controls[0],
636 		     ARRAY_SIZE(wm8400_dapm_lomix_controls),
637 		     outmixer_event, SND_SOC_DAPM_PRE_REG),
638 
639 /* LONMIX */
640 SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
641 		   0, &wm8400_dapm_lonmix_controls[0],
642 		   ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
643 
644 /* LOPMIX */
645 SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
646 		   0, &wm8400_dapm_lopmix_controls[0],
647 		   ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
648 
649 /* OUT3MIX */
650 SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
651 		   0, &wm8400_dapm_out3mix_controls[0],
652 		   ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
653 
654 /* SPKMIX */
655 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
656 		     0, &wm8400_dapm_spkmix_controls[0],
657 		     ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
658 		     SND_SOC_DAPM_PRE_REG),
659 
660 /* OUT4MIX */
661 SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
662 	0, &wm8400_dapm_out4mix_controls[0],
663 	ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
664 
665 /* ROPMIX */
666 SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
667 		   0, &wm8400_dapm_ropmix_controls[0],
668 		   ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
669 
670 /* RONMIX */
671 SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
672 		   0, &wm8400_dapm_ronmix_controls[0],
673 		   ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
674 
675 /* ROMIX */
676 SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
677 		     WM8400_ROMIX_ENA_SHIFT,
678 		     0, &wm8400_dapm_romix_controls[0],
679 		     ARRAY_SIZE(wm8400_dapm_romix_controls),
680 		     outmixer_event, SND_SOC_DAPM_PRE_REG),
681 
682 /* LOUT PGA */
683 SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
684 		 0, NULL, 0),
685 
686 /* ROUT PGA */
687 SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
688 		 0, NULL, 0),
689 
690 /* LOPGA */
691 SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
692 	NULL, 0),
693 
694 /* ROPGA */
695 SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
696 	NULL, 0),
697 
698 /* MICBIAS */
699 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1,
700 		    WM8400_MIC1BIAS_ENA_SHIFT, 0, NULL, 0),
701 
702 SND_SOC_DAPM_OUTPUT("LON"),
703 SND_SOC_DAPM_OUTPUT("LOP"),
704 SND_SOC_DAPM_OUTPUT("OUT3"),
705 SND_SOC_DAPM_OUTPUT("LOUT"),
706 SND_SOC_DAPM_OUTPUT("SPKN"),
707 SND_SOC_DAPM_OUTPUT("SPKP"),
708 SND_SOC_DAPM_OUTPUT("ROUT"),
709 SND_SOC_DAPM_OUTPUT("OUT4"),
710 SND_SOC_DAPM_OUTPUT("ROP"),
711 SND_SOC_DAPM_OUTPUT("RON"),
712 
713 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
714 };
715 
716 static const struct snd_soc_dapm_route wm8400_dapm_routes[] = {
717 	/* Make DACs turn on when playing even if not mixed into any outputs */
718 	{"Internal DAC Sink", NULL, "Left DAC"},
719 	{"Internal DAC Sink", NULL, "Right DAC"},
720 
721 	/* Make ADCs turn on when recording
722 	 * even if not mixed from any inputs */
723 	{"Left ADC", NULL, "Internal ADC Source"},
724 	{"Right ADC", NULL, "Internal ADC Source"},
725 
726 	/* Input Side */
727 	/* LIN12 PGA */
728 	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
729 	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
730 	/* LIN34 PGA */
731 	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
732 	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
733 	/* INMIXL */
734 	{"INMIXL", NULL, "INL"},
735 	{"INMIXL", "Record Left Volume", "LOMIX"},
736 	{"INMIXL", "LIN2 Volume", "LIN2"},
737 	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
738 	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
739 	/* AILNMUX */
740 	{"AILNMUX", NULL, "INL"},
741 	{"AILNMUX", "INMIXL Mix", "INMIXL"},
742 	{"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
743 	{"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
744 	{"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
745 	{"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
746 	/* ADC */
747 	{"Left ADC", NULL, "AILNMUX"},
748 
749 	/* RIN12 PGA */
750 	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
751 	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
752 	/* RIN34 PGA */
753 	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
754 	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
755 	/* INMIXR */
756 	{"INMIXR", NULL, "INR"},
757 	{"INMIXR", "Record Right Volume", "ROMIX"},
758 	{"INMIXR", "RIN2 Volume", "RIN2"},
759 	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
760 	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
761 	/* AIRNMUX */
762 	{"AIRNMUX", NULL, "INR"},
763 	{"AIRNMUX", "INMIXR Mix", "INMIXR"},
764 	{"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
765 	{"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
766 	{"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
767 	{"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
768 	/* ADC */
769 	{"Right ADC", NULL, "AIRNMUX"},
770 
771 	/* LOMIX */
772 	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
773 	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
774 	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
775 	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
776 	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
777 	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
778 	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
779 
780 	/* ROMIX */
781 	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
782 	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
783 	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
784 	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
785 	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
786 	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
787 	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
788 
789 	/* SPKMIX */
790 	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
791 	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
792 	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
793 	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
794 	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
795 	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
796 	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
797 	{"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
798 
799 	/* LONMIX */
800 	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
801 	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
802 	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
803 
804 	/* LOPMIX */
805 	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
806 	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
807 	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
808 
809 	/* OUT3MIX */
810 	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
811 	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
812 
813 	/* OUT4MIX */
814 	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
815 	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
816 
817 	/* RONMIX */
818 	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
819 	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
820 	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
821 
822 	/* ROPMIX */
823 	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
824 	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
825 	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
826 
827 	/* Out Mixer PGAs */
828 	{"LOPGA", NULL, "LOMIX"},
829 	{"ROPGA", NULL, "ROMIX"},
830 
831 	{"LOUT PGA", NULL, "LOMIX"},
832 	{"ROUT PGA", NULL, "ROMIX"},
833 
834 	/* Output Pins */
835 	{"LON", NULL, "LONMIX"},
836 	{"LOP", NULL, "LOPMIX"},
837 	{"OUT3", NULL, "OUT3MIX"},
838 	{"LOUT", NULL, "LOUT PGA"},
839 	{"SPKN", NULL, "SPKMIX"},
840 	{"ROUT", NULL, "ROUT PGA"},
841 	{"OUT4", NULL, "OUT4MIX"},
842 	{"ROP", NULL, "ROPMIX"},
843 	{"RON", NULL, "RONMIX"},
844 };
845 
846 /*
847  * Clock after FLL and dividers
848  */
849 static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
850 		int clk_id, unsigned int freq, int dir)
851 {
852 	struct snd_soc_codec *codec = codec_dai->codec;
853 	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
854 
855 	wm8400->sysclk = freq;
856 	return 0;
857 }
858 
859 struct fll_factors {
860 	u16 n;
861 	u16 k;
862 	u16 outdiv;
863 	u16 fratio;
864 	u16 freq_ref;
865 };
866 
867 #define FIXED_FLL_SIZE ((1 << 16) * 10)
868 
869 static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
870 		       unsigned int Fref, unsigned int Fout)
871 {
872 	u64 Kpart;
873 	unsigned int K, Nmod, target;
874 
875 	factors->outdiv = 2;
876 	while (Fout * factors->outdiv <  90000000 ||
877 	       Fout * factors->outdiv > 100000000) {
878 		factors->outdiv *= 2;
879 		if (factors->outdiv > 32) {
880 			dev_err(wm8400->wm8400->dev,
881 				"Unsupported FLL output frequency %uHz\n",
882 				Fout);
883 			return -EINVAL;
884 		}
885 	}
886 	target = Fout * factors->outdiv;
887 	factors->outdiv = factors->outdiv >> 2;
888 
889 	if (Fref < 48000)
890 		factors->freq_ref = 1;
891 	else
892 		factors->freq_ref = 0;
893 
894 	if (Fref < 1000000)
895 		factors->fratio = 9;
896 	else
897 		factors->fratio = 0;
898 
899 	/* Ensure we have a fractional part */
900 	do {
901 		if (Fref < 1000000)
902 			factors->fratio--;
903 		else
904 			factors->fratio++;
905 
906 		if (factors->fratio < 1 || factors->fratio > 8) {
907 			dev_err(wm8400->wm8400->dev,
908 				"Unable to calculate FRATIO\n");
909 			return -EINVAL;
910 		}
911 
912 		factors->n = target / (Fref * factors->fratio);
913 		Nmod = target % (Fref * factors->fratio);
914 	} while (Nmod == 0);
915 
916 	/* Calculate fractional part - scale up so we can round. */
917 	Kpart = FIXED_FLL_SIZE * (long long)Nmod;
918 
919 	do_div(Kpart, (Fref * factors->fratio));
920 
921 	K = Kpart & 0xFFFFFFFF;
922 
923 	if ((K % 10) >= 5)
924 		K += 5;
925 
926 	/* Move down to proper range now rounding is done */
927 	factors->k = K / 10;
928 
929 	dev_dbg(wm8400->wm8400->dev,
930 		"FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
931 		Fref, Fout,
932 		factors->n, factors->k, factors->fratio, factors->outdiv);
933 
934 	return 0;
935 }
936 
937 static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
938 			      int source, unsigned int freq_in,
939 			      unsigned int freq_out)
940 {
941 	struct snd_soc_codec *codec = codec_dai->codec;
942 	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
943 	struct fll_factors factors;
944 	int ret;
945 	u16 reg;
946 
947 	if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
948 		return 0;
949 
950 	if (freq_out) {
951 		ret = fll_factors(wm8400, &factors, freq_in, freq_out);
952 		if (ret != 0)
953 			return ret;
954 	} else {
955 		/* Bodge GCC 4.4.0 uninitialised variable warning - it
956 		 * doesn't seem capable of working out that we exit if
957 		 * freq_out is 0 before any of the uses. */
958 		memset(&factors, 0, sizeof(factors));
959 	}
960 
961 	wm8400->fll_out = freq_out;
962 	wm8400->fll_in = freq_in;
963 
964 	/* We *must* disable the FLL before any changes */
965 	reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_2);
966 	reg &= ~WM8400_FLL_ENA;
967 	snd_soc_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
968 
969 	reg = snd_soc_read(codec, WM8400_FLL_CONTROL_1);
970 	reg &= ~WM8400_FLL_OSC_ENA;
971 	snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg);
972 
973 	if (!freq_out)
974 		return 0;
975 
976 	reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
977 	reg |= WM8400_FLL_FRAC | factors.fratio;
978 	reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
979 	snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg);
980 
981 	snd_soc_write(codec, WM8400_FLL_CONTROL_2, factors.k);
982 	snd_soc_write(codec, WM8400_FLL_CONTROL_3, factors.n);
983 
984 	reg = snd_soc_read(codec, WM8400_FLL_CONTROL_4);
985 	reg &= ~WM8400_FLL_OUTDIV_MASK;
986 	reg |= factors.outdiv;
987 	snd_soc_write(codec, WM8400_FLL_CONTROL_4, reg);
988 
989 	return 0;
990 }
991 
992 /*
993  * Sets ADC and Voice DAC format.
994  */
995 static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
996 		unsigned int fmt)
997 {
998 	struct snd_soc_codec *codec = codec_dai->codec;
999 	u16 audio1, audio3;
1000 
1001 	audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1);
1002 	audio3 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_3);
1003 
1004 	/* set master/slave audio interface */
1005 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1006 	case SND_SOC_DAIFMT_CBS_CFS:
1007 		audio3 &= ~WM8400_AIF_MSTR1;
1008 		break;
1009 	case SND_SOC_DAIFMT_CBM_CFM:
1010 		audio3 |= WM8400_AIF_MSTR1;
1011 		break;
1012 	default:
1013 		return -EINVAL;
1014 	}
1015 
1016 	audio1 &= ~WM8400_AIF_FMT_MASK;
1017 
1018 	/* interface format */
1019 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1020 	case SND_SOC_DAIFMT_I2S:
1021 		audio1 |= WM8400_AIF_FMT_I2S;
1022 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1023 		break;
1024 	case SND_SOC_DAIFMT_RIGHT_J:
1025 		audio1 |= WM8400_AIF_FMT_RIGHTJ;
1026 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1027 		break;
1028 	case SND_SOC_DAIFMT_LEFT_J:
1029 		audio1 |= WM8400_AIF_FMT_LEFTJ;
1030 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1031 		break;
1032 	case SND_SOC_DAIFMT_DSP_A:
1033 		audio1 |= WM8400_AIF_FMT_DSP;
1034 		audio1 &= ~WM8400_AIF_LRCLK_INV;
1035 		break;
1036 	case SND_SOC_DAIFMT_DSP_B:
1037 		audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1038 		break;
1039 	default:
1040 		return -EINVAL;
1041 	}
1042 
1043 	snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1044 	snd_soc_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
1045 	return 0;
1046 }
1047 
1048 static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1049 		int div_id, int div)
1050 {
1051 	struct snd_soc_codec *codec = codec_dai->codec;
1052 	u16 reg;
1053 
1054 	switch (div_id) {
1055 	case WM8400_MCLK_DIV:
1056 		reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
1057 			~WM8400_MCLK_DIV_MASK;
1058 		snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
1059 		break;
1060 	case WM8400_DACCLK_DIV:
1061 		reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
1062 			~WM8400_DAC_CLKDIV_MASK;
1063 		snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
1064 		break;
1065 	case WM8400_ADCCLK_DIV:
1066 		reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
1067 			~WM8400_ADC_CLKDIV_MASK;
1068 		snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
1069 		break;
1070 	case WM8400_BCLK_DIV:
1071 		reg = snd_soc_read(codec, WM8400_CLOCKING_1) &
1072 			~WM8400_BCLK_DIV_MASK;
1073 		snd_soc_write(codec, WM8400_CLOCKING_1, reg | div);
1074 		break;
1075 	default:
1076 		return -EINVAL;
1077 	}
1078 
1079 	return 0;
1080 }
1081 
1082 /*
1083  * Set PCM DAI bit size and sample rate.
1084  */
1085 static int wm8400_hw_params(struct snd_pcm_substream *substream,
1086 	struct snd_pcm_hw_params *params,
1087 	struct snd_soc_dai *dai)
1088 {
1089 	struct snd_soc_codec *codec = dai->codec;
1090 	u16 audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1);
1091 
1092 	audio1 &= ~WM8400_AIF_WL_MASK;
1093 	/* bit size */
1094 	switch (params_width(params)) {
1095 	case 16:
1096 		break;
1097 	case 20:
1098 		audio1 |= WM8400_AIF_WL_20BITS;
1099 		break;
1100 	case 24:
1101 		audio1 |= WM8400_AIF_WL_24BITS;
1102 		break;
1103 	case 32:
1104 		audio1 |= WM8400_AIF_WL_32BITS;
1105 		break;
1106 	}
1107 
1108 	snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1109 	return 0;
1110 }
1111 
1112 static int wm8400_mute(struct snd_soc_dai *dai, int mute)
1113 {
1114 	struct snd_soc_codec *codec = dai->codec;
1115 	u16 val = snd_soc_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1116 
1117 	if (mute)
1118 		snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1119 	else
1120 		snd_soc_write(codec, WM8400_DAC_CTRL, val);
1121 
1122 	return 0;
1123 }
1124 
1125 /* TODO: set bias for best performance at standby */
1126 static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1127 				 enum snd_soc_bias_level level)
1128 {
1129 	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
1130 	u16 val;
1131 	int ret;
1132 
1133 	switch (level) {
1134 	case SND_SOC_BIAS_ON:
1135 		break;
1136 
1137 	case SND_SOC_BIAS_PREPARE:
1138 		/* VMID=2*50k */
1139 		val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) &
1140 			~WM8400_VMID_MODE_MASK;
1141 		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1142 		break;
1143 
1144 	case SND_SOC_BIAS_STANDBY:
1145 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1146 			ret = regulator_bulk_enable(ARRAY_SIZE(power),
1147 						    &power[0]);
1148 			if (ret != 0) {
1149 				dev_err(wm8400->wm8400->dev,
1150 					"Failed to enable regulators: %d\n",
1151 					ret);
1152 				return ret;
1153 			}
1154 
1155 			snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1,
1156 				     WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1157 
1158 			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1159 			snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1160 				     WM8400_BUFDCOPEN | WM8400_POBCTRL);
1161 
1162 			msleep(50);
1163 
1164 			/* Enable VREF & VMID at 2x50k */
1165 			val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1166 			val |= 0x2 | WM8400_VREF_ENA;
1167 			snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1168 
1169 			/* Enable BUFIOEN */
1170 			snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1171 				     WM8400_BUFDCOPEN | WM8400_POBCTRL |
1172 				     WM8400_BUFIOEN);
1173 
1174 			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1175 			snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1176 		}
1177 
1178 		/* VMID=2*300k */
1179 		val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) &
1180 			~WM8400_VMID_MODE_MASK;
1181 		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1182 		break;
1183 
1184 	case SND_SOC_BIAS_OFF:
1185 		/* Enable POBCTRL and SOFT_ST */
1186 		snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1187 			WM8400_POBCTRL | WM8400_BUFIOEN);
1188 
1189 		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1190 		snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1191 			WM8400_BUFDCOPEN | WM8400_POBCTRL |
1192 			WM8400_BUFIOEN);
1193 
1194 		/* mute DAC */
1195 		val = snd_soc_read(codec, WM8400_DAC_CTRL);
1196 		snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1197 
1198 		/* Enable any disabled outputs */
1199 		val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1200 		val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1201 			WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1202 			WM8400_ROUT_ENA;
1203 		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1204 
1205 		/* Disable VMID */
1206 		val &= ~WM8400_VMID_MODE_MASK;
1207 		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1208 
1209 		msleep(300);
1210 
1211 		/* Enable all output discharge bits */
1212 		snd_soc_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1213 			WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1214 			WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1215 			WM8400_DIS_ROUT);
1216 
1217 		/* Disable VREF */
1218 		val &= ~WM8400_VREF_ENA;
1219 		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1220 
1221 		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1222 		snd_soc_write(codec, WM8400_ANTIPOP2, 0x0);
1223 
1224 		ret = regulator_bulk_disable(ARRAY_SIZE(power),
1225 					     &power[0]);
1226 		if (ret != 0)
1227 			return ret;
1228 
1229 		break;
1230 	}
1231 
1232 	return 0;
1233 }
1234 
1235 #define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1236 
1237 #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1238 	SNDRV_PCM_FMTBIT_S24_LE)
1239 
1240 static const struct snd_soc_dai_ops wm8400_dai_ops = {
1241 	.hw_params = wm8400_hw_params,
1242 	.digital_mute = wm8400_mute,
1243 	.set_fmt = wm8400_set_dai_fmt,
1244 	.set_clkdiv = wm8400_set_dai_clkdiv,
1245 	.set_sysclk = wm8400_set_dai_sysclk,
1246 	.set_pll = wm8400_set_dai_pll,
1247 };
1248 
1249 /*
1250  * The WM8400 supports 2 different and mutually exclusive DAI
1251  * configurations.
1252  *
1253  * 1. ADC/DAC on Primary Interface
1254  * 2. ADC on Primary Interface/DAC on secondary
1255  */
1256 static struct snd_soc_dai_driver wm8400_dai = {
1257 /* ADC/DAC on primary */
1258 	.name = "wm8400-hifi",
1259 	.playback = {
1260 		.stream_name = "Playback",
1261 		.channels_min = 1,
1262 		.channels_max = 2,
1263 		.rates = WM8400_RATES,
1264 		.formats = WM8400_FORMATS,
1265 	},
1266 	.capture = {
1267 		.stream_name = "Capture",
1268 		.channels_min = 1,
1269 		.channels_max = 2,
1270 		.rates = WM8400_RATES,
1271 		.formats = WM8400_FORMATS,
1272 	},
1273 	.ops = &wm8400_dai_ops,
1274 };
1275 
1276 static int wm8400_codec_probe(struct snd_soc_codec *codec)
1277 {
1278 	struct wm8400 *wm8400 = dev_get_platdata(codec->dev);
1279 	struct wm8400_priv *priv;
1280 	int ret;
1281 	u16 reg;
1282 
1283 	priv = devm_kzalloc(codec->dev, sizeof(struct wm8400_priv),
1284 			    GFP_KERNEL);
1285 	if (priv == NULL)
1286 		return -ENOMEM;
1287 
1288 	snd_soc_codec_set_drvdata(codec, priv);
1289 	priv->wm8400 = wm8400;
1290 
1291 	ret = devm_regulator_bulk_get(wm8400->dev,
1292 				 ARRAY_SIZE(power), &power[0]);
1293 	if (ret != 0) {
1294 		dev_err(codec->dev, "Failed to get regulators: %d\n", ret);
1295 		return ret;
1296 	}
1297 
1298 	wm8400_codec_reset(codec);
1299 
1300 	reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1301 	snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1302 
1303 	/* Latch volume update bits */
1304 	reg = snd_soc_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1305 	snd_soc_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1306 		     reg & WM8400_IPVU);
1307 	reg = snd_soc_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1308 	snd_soc_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1309 		     reg & WM8400_IPVU);
1310 
1311 	snd_soc_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1312 	snd_soc_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1313 
1314 	return 0;
1315 }
1316 
1317 static int  wm8400_codec_remove(struct snd_soc_codec *codec)
1318 {
1319 	u16 reg;
1320 
1321 	reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1322 	snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1,
1323 		     reg & (~WM8400_CODEC_ENA));
1324 
1325 	return 0;
1326 }
1327 
1328 static struct regmap *wm8400_get_regmap(struct device *dev)
1329 {
1330 	struct wm8400 *wm8400 = dev_get_platdata(dev);
1331 
1332 	return wm8400->regmap;
1333 }
1334 
1335 static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
1336 	.probe =	wm8400_codec_probe,
1337 	.remove =	wm8400_codec_remove,
1338 	.get_regmap =	wm8400_get_regmap,
1339 	.set_bias_level = wm8400_set_bias_level,
1340 	.suspend_bias_off = true,
1341 
1342 	.controls = wm8400_snd_controls,
1343 	.num_controls = ARRAY_SIZE(wm8400_snd_controls),
1344 	.dapm_widgets = wm8400_dapm_widgets,
1345 	.num_dapm_widgets = ARRAY_SIZE(wm8400_dapm_widgets),
1346 	.dapm_routes = wm8400_dapm_routes,
1347 	.num_dapm_routes = ARRAY_SIZE(wm8400_dapm_routes),
1348 };
1349 
1350 static int wm8400_probe(struct platform_device *pdev)
1351 {
1352 	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400,
1353 			&wm8400_dai, 1);
1354 }
1355 
1356 static int wm8400_remove(struct platform_device *pdev)
1357 {
1358 	snd_soc_unregister_codec(&pdev->dev);
1359 	return 0;
1360 }
1361 
1362 static struct platform_driver wm8400_codec_driver = {
1363 	.driver = {
1364 		   .name = "wm8400-codec",
1365 		   },
1366 	.probe = wm8400_probe,
1367 	.remove = wm8400_remove,
1368 };
1369 
1370 module_platform_driver(wm8400_codec_driver);
1371 
1372 MODULE_DESCRIPTION("ASoC WM8400 driver");
1373 MODULE_AUTHOR("Mark Brown");
1374 MODULE_LICENSE("GPL");
1375 MODULE_ALIAS("platform:wm8400-codec");
1376