850299786e02d0d87f77e673bb093fffb68bcbdc
[linux-2.6.git] / sound / soc / codecs / wm8400.c
1 /*
2  * wm8400.c  --  WM8400 ALSA Soc Audio driver
3  *
4  * Copyright 2008, 2009 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 <sound/core.h>
26 #include <sound/pcm.h>
27 #include <sound/pcm_params.h>
28 #include <sound/soc.h>
29 #include <sound/soc-dapm.h>
30 #include <sound/initval.h>
31 #include <sound/tlv.h>
32
33 #include "wm8400.h"
34
35 /* Fake register for internal state */
36 #define WM8400_INTDRIVBITS      (WM8400_REGISTER_COUNT + 1)
37 #define WM8400_INMIXL_PWR                       0
38 #define WM8400_AINLMUX_PWR                      1
39 #define WM8400_INMIXR_PWR                       2
40 #define WM8400_AINRMUX_PWR                      3
41
42 static struct regulator_bulk_data power[] = {
43         {
44                 .supply = "I2S1VDD",
45         },
46         {
47                 .supply = "I2S2VDD",
48         },
49         {
50                 .supply = "DCVDD",
51         },
52         {
53                 .supply = "AVDD",
54         },
55         {
56                 .supply = "FLLVDD",
57         },
58         {
59                 .supply = "HPVDD",
60         },
61         {
62                 .supply = "SPKVDD",
63         },
64 };
65
66 /* codec private data */
67 struct wm8400_priv {
68         struct snd_soc_codec *codec;
69         struct wm8400 *wm8400;
70         u16 fake_register;
71         unsigned int sysclk;
72         unsigned int pcmclk;
73         struct work_struct work;
74         int fll_in, fll_out;
75 };
76
77 static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
78                                        unsigned int reg)
79 {
80         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
81
82         if (reg == WM8400_INTDRIVBITS)
83                 return wm8400->fake_register;
84         else
85                 return wm8400_reg_read(wm8400->wm8400, reg);
86 }
87
88 /*
89  * write to the wm8400 register space
90  */
91 static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
92         unsigned int value)
93 {
94         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
95
96         if (reg == WM8400_INTDRIVBITS) {
97                 wm8400->fake_register = value;
98                 return 0;
99         } else
100                 return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
101 }
102
103 static void wm8400_codec_reset(struct snd_soc_codec *codec)
104 {
105         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
106
107         wm8400_reset_codec_reg_cache(wm8400->wm8400);
108 }
109
110 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
111
112 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
113
114 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
115
116 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
117
118 static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
119
120 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
121
122 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
123
124 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
125
126 static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
127         struct snd_ctl_elem_value *ucontrol)
128 {
129         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
130         struct soc_mixer_control *mc =
131                 (struct soc_mixer_control *)kcontrol->private_value;
132         int reg = mc->reg;
133         int ret;
134         u16 val;
135
136         ret = snd_soc_put_volsw(kcontrol, ucontrol);
137         if (ret < 0)
138                 return ret;
139
140         /* now hit the volume update bits (always bit 8) */
141         val = wm8400_read(codec, reg);
142         return wm8400_write(codec, reg, val | 0x0100);
143 }
144
145 #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
146 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
147         .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
148                 SNDRV_CTL_ELEM_ACCESS_READWRITE,\
149         .tlv.p = (tlv_array), \
150         .info = snd_soc_info_volsw, \
151         .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
152         .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
153
154
155 static const char *wm8400_digital_sidetone[] =
156         {"None", "Left ADC", "Right ADC", "Reserved"};
157
158 static const struct soc_enum wm8400_left_digital_sidetone_enum =
159 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
160                 WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
161
162 static const struct soc_enum wm8400_right_digital_sidetone_enum =
163 SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
164                 WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
165
166 static const char *wm8400_adcmode[] =
167         {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
168
169 static const struct soc_enum wm8400_right_adcmode_enum =
170 SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
171
172 static const struct snd_kcontrol_new wm8400_snd_controls[] = {
173 /* INMIXL */
174 SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
175            1, 0),
176 SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
177            1, 0),
178 /* INMIXR */
179 SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
180            1, 0),
181 SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
182            1, 0),
183
184 /* LOMIX */
185 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
186         WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
187 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
188         WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
189 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
190         WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
191 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
192         WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
193 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
194         WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
195 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
196         WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
197
198 /* ROMIX */
199 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
200         WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
201 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
202         WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
203 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
204         WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
205 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
206         WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
207 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
208         WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
209 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
210         WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
211
212 /* LOUT */
213 WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
214         WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
215 SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
216
217 /* ROUT */
218 WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
219         WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
220 SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
221
222 /* LOPGA */
223 WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
224         WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
225 SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
226         WM8400_LOPGAZC_SHIFT, 1, 0),
227
228 /* ROPGA */
229 WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
230         WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
231 SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
232         WM8400_ROPGAZC_SHIFT, 1, 0),
233
234 SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
235         WM8400_LONMUTE_SHIFT, 1, 0),
236 SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
237         WM8400_LOPMUTE_SHIFT, 1, 0),
238 SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
239         WM8400_LOATTN_SHIFT, 1, 0),
240 SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
241         WM8400_RONMUTE_SHIFT, 1, 0),
242 SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
243         WM8400_ROPMUTE_SHIFT, 1, 0),
244 SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
245         WM8400_ROATTN_SHIFT, 1, 0),
246
247 SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
248         WM8400_OUT3MUTE_SHIFT, 1, 0),
249 SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
250         WM8400_OUT3ATTN_SHIFT, 1, 0),
251
252 SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
253         WM8400_OUT4MUTE_SHIFT, 1, 0),
254 SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
255         WM8400_OUT4ATTN_SHIFT, 1, 0),
256
257 SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
258         WM8400_CDMODE_SHIFT, 1, 0),
259
260 SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
261         WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
262 SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
263         WM8400_DCGAIN_SHIFT, 6, 0),
264 SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
265         WM8400_ACGAIN_SHIFT, 6, 0),
266
267 WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
268         WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
269         127, 0, out_dac_tlv),
270
271 WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
272         WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
273         127, 0, out_dac_tlv),
274
275 SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
276 SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
277
278 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
279         WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
280 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
281         WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
282
283 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
284         WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
285
286 SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
287
288 WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
289         WM8400_LEFT_ADC_DIGITAL_VOLUME,
290         WM8400_ADCL_VOL_SHIFT,
291         WM8400_ADCL_VOL_MASK,
292         0,
293         in_adc_tlv),
294
295 WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
296         WM8400_RIGHT_ADC_DIGITAL_VOLUME,
297         WM8400_ADCR_VOL_SHIFT,
298         WM8400_ADCR_VOL_MASK,
299         0,
300         in_adc_tlv),
301
302 WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
303         WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
304         WM8400_LIN12VOL_SHIFT,
305         WM8400_LIN12VOL_MASK,
306         0,
307         in_pga_tlv),
308
309 SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
310         WM8400_LI12ZC_SHIFT, 1, 0),
311
312 SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
313         WM8400_LI12MUTE_SHIFT, 1, 0),
314
315 WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
316         WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
317         WM8400_LIN34VOL_SHIFT,
318         WM8400_LIN34VOL_MASK,
319         0,
320         in_pga_tlv),
321
322 SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
323         WM8400_LI34ZC_SHIFT, 1, 0),
324
325 SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
326         WM8400_LI34MUTE_SHIFT, 1, 0),
327
328 WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
329         WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
330         WM8400_RIN12VOL_SHIFT,
331         WM8400_RIN12VOL_MASK,
332         0,
333         in_pga_tlv),
334
335 SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
336         WM8400_RI12ZC_SHIFT, 1, 0),
337
338 SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
339         WM8400_RI12MUTE_SHIFT, 1, 0),
340
341 WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
342         WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
343         WM8400_RIN34VOL_SHIFT,
344         WM8400_RIN34VOL_MASK,
345         0,
346         in_pga_tlv),
347
348 SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
349         WM8400_RI34ZC_SHIFT, 1, 0),
350
351 SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
352         WM8400_RI34MUTE_SHIFT, 1, 0),
353
354 };
355
356 /* add non dapm controls */
357 static int wm8400_add_controls(struct snd_soc_codec *codec)
358 {
359         return snd_soc_add_controls(codec, wm8400_snd_controls,
360                                 ARRAY_SIZE(wm8400_snd_controls));
361 }
362
363 /*
364  * _DAPM_ Controls
365  */
366
367 static int inmixer_event (struct snd_soc_dapm_widget *w,
368         struct snd_kcontrol *kcontrol, int event)
369 {
370         u16 reg, fakepower;
371
372         reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2);
373         fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS);
374
375         if (fakepower & ((1 << WM8400_INMIXL_PWR) |
376                 (1 << WM8400_AINLMUX_PWR))) {
377                 reg |= WM8400_AINL_ENA;
378         } else {
379                 reg &= ~WM8400_AINL_ENA;
380         }
381
382         if (fakepower & ((1 << WM8400_INMIXR_PWR) |
383                 (1 << WM8400_AINRMUX_PWR))) {
384                 reg |= WM8400_AINR_ENA;
385         } else {
386                 reg &= ~WM8400_AINL_ENA;
387         }
388         wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
389
390         return 0;
391 }
392
393 static int outmixer_event (struct snd_soc_dapm_widget *w,
394         struct snd_kcontrol * kcontrol, int event)
395 {
396         struct soc_mixer_control *mc =
397                 (struct soc_mixer_control *)kcontrol->private_value;
398         u32 reg_shift = mc->shift;
399         int ret = 0;
400         u16 reg;
401
402         switch (reg_shift) {
403         case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
404                 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER1);
405                 if (reg & WM8400_LDLO) {
406                         printk(KERN_WARNING
407                         "Cannot set as Output Mixer 1 LDLO Set\n");
408                         ret = -1;
409                 }
410                 break;
411         case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
412                 reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER2);
413                 if (reg & WM8400_RDRO) {
414                         printk(KERN_WARNING
415                         "Cannot set as Output Mixer 2 RDRO Set\n");
416                         ret = -1;
417                 }
418                 break;
419         case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
420                 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
421                 if (reg & WM8400_LDSPK) {
422                         printk(KERN_WARNING
423                         "Cannot set as Speaker Mixer LDSPK Set\n");
424                         ret = -1;
425                 }
426                 break;
427         case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
428                 reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
429                 if (reg & WM8400_RDSPK) {
430                         printk(KERN_WARNING
431                         "Cannot set as Speaker Mixer RDSPK Set\n");
432                         ret = -1;
433                 }
434                 break;
435         }
436
437         return ret;
438 }
439
440 /* INMIX dB values */
441 static const unsigned int in_mix_tlv[] = {
442         TLV_DB_RANGE_HEAD(1),
443         0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
444 };
445
446 /* Left In PGA Connections */
447 static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
448 SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
449 SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
450 };
451
452 static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
453 SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
454 SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
455 };
456
457 /* Right In PGA Connections */
458 static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
459 SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
460 SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
461 };
462
463 static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
464 SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
465 SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
466 };
467
468 /* INMIXL */
469 static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
470 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
471         WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
472 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
473         7, 0, in_mix_tlv),
474 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
475                 1, 0),
476 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
477                 1, 0),
478 };
479
480 /* INMIXR */
481 static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
482 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
483         WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
484 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
485         7, 0, in_mix_tlv),
486 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
487         1, 0),
488 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
489         1, 0),
490 };
491
492 /* AINLMUX */
493 static const char *wm8400_ainlmux[] =
494         {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
495
496 static const struct soc_enum wm8400_ainlmux_enum =
497 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
498         ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
499
500 static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
501 SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
502
503 /* DIFFINL */
504
505 /* AINRMUX */
506 static const char *wm8400_ainrmux[] =
507         {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
508
509 static const struct soc_enum wm8400_ainrmux_enum =
510 SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
511         ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
512
513 static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
514 SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
515
516 /* RXVOICE */
517 static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
518 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
519                         WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
520 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
521                         WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
522 };
523
524 /* LOMIX */
525 static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
526 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
527         WM8400_LRBLO_SHIFT, 1, 0),
528 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
529         WM8400_LLBLO_SHIFT, 1, 0),
530 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
531         WM8400_LRI3LO_SHIFT, 1, 0),
532 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
533         WM8400_LLI3LO_SHIFT, 1, 0),
534 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
535         WM8400_LR12LO_SHIFT, 1, 0),
536 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
537         WM8400_LL12LO_SHIFT, 1, 0),
538 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
539         WM8400_LDLO_SHIFT, 1, 0),
540 };
541
542 /* ROMIX */
543 static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
544 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
545         WM8400_RLBRO_SHIFT, 1, 0),
546 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
547         WM8400_RRBRO_SHIFT, 1, 0),
548 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
549         WM8400_RLI3RO_SHIFT, 1, 0),
550 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
551         WM8400_RRI3RO_SHIFT, 1, 0),
552 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
553         WM8400_RL12RO_SHIFT, 1, 0),
554 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
555         WM8400_RR12RO_SHIFT, 1, 0),
556 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
557         WM8400_RDRO_SHIFT, 1, 0),
558 };
559
560 /* LONMIX */
561 static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
562 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
563         WM8400_LLOPGALON_SHIFT, 1, 0),
564 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
565         WM8400_LROPGALON_SHIFT, 1, 0),
566 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
567         WM8400_LOPLON_SHIFT, 1, 0),
568 };
569
570 /* LOPMIX */
571 static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
572 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
573         WM8400_LR12LOP_SHIFT, 1, 0),
574 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
575         WM8400_LL12LOP_SHIFT, 1, 0),
576 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
577         WM8400_LLOPGALOP_SHIFT, 1, 0),
578 };
579
580 /* RONMIX */
581 static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
582 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
583         WM8400_RROPGARON_SHIFT, 1, 0),
584 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
585         WM8400_RLOPGARON_SHIFT, 1, 0),
586 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
587         WM8400_ROPRON_SHIFT, 1, 0),
588 };
589
590 /* ROPMIX */
591 static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
592 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
593         WM8400_RL12ROP_SHIFT, 1, 0),
594 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
595         WM8400_RR12ROP_SHIFT, 1, 0),
596 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
597         WM8400_RROPGAROP_SHIFT, 1, 0),
598 };
599
600 /* OUT3MIX */
601 static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
602 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
603         WM8400_LI4O3_SHIFT, 1, 0),
604 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
605         WM8400_LPGAO3_SHIFT, 1, 0),
606 };
607
608 /* OUT4MIX */
609 static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
610 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
611         WM8400_RPGAO4_SHIFT, 1, 0),
612 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
613         WM8400_RI4O4_SHIFT, 1, 0),
614 };
615
616 /* SPKMIX */
617 static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
618 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
619         WM8400_LI2SPK_SHIFT, 1, 0),
620 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
621         WM8400_LB2SPK_SHIFT, 1, 0),
622 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
623         WM8400_LOPGASPK_SHIFT, 1, 0),
624 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
625         WM8400_LDSPK_SHIFT, 1, 0),
626 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
627         WM8400_RDSPK_SHIFT, 1, 0),
628 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
629         WM8400_ROPGASPK_SHIFT, 1, 0),
630 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
631         WM8400_RL12ROP_SHIFT, 1, 0),
632 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
633         WM8400_RI2SPK_SHIFT, 1, 0),
634 };
635
636 static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
637 /* Input Side */
638 /* Input Lines */
639 SND_SOC_DAPM_INPUT("LIN1"),
640 SND_SOC_DAPM_INPUT("LIN2"),
641 SND_SOC_DAPM_INPUT("LIN3"),
642 SND_SOC_DAPM_INPUT("LIN4/RXN"),
643 SND_SOC_DAPM_INPUT("RIN3"),
644 SND_SOC_DAPM_INPUT("RIN4/RXP"),
645 SND_SOC_DAPM_INPUT("RIN1"),
646 SND_SOC_DAPM_INPUT("RIN2"),
647 SND_SOC_DAPM_INPUT("Internal ADC Source"),
648
649 /* DACs */
650 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
651         WM8400_ADCL_ENA_SHIFT, 0),
652 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
653         WM8400_ADCR_ENA_SHIFT, 0),
654
655 /* Input PGAs */
656 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
657                    WM8400_LIN12_ENA_SHIFT,
658                    0, &wm8400_dapm_lin12_pga_controls[0],
659                    ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
660 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
661                    WM8400_LIN34_ENA_SHIFT,
662                    0, &wm8400_dapm_lin34_pga_controls[0],
663                    ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
664 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
665                    WM8400_RIN12_ENA_SHIFT,
666                    0, &wm8400_dapm_rin12_pga_controls[0],
667                    ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
668 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
669                    WM8400_RIN34_ENA_SHIFT,
670                    0, &wm8400_dapm_rin34_pga_controls[0],
671                    ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
672
673 /* INMIXL */
674 SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
675         &wm8400_dapm_inmixl_controls[0],
676         ARRAY_SIZE(wm8400_dapm_inmixl_controls),
677         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
678
679 /* AINLMUX */
680 SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
681         &wm8400_dapm_ainlmux_controls, inmixer_event,
682         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
683
684 /* INMIXR */
685 SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
686         &wm8400_dapm_inmixr_controls[0],
687         ARRAY_SIZE(wm8400_dapm_inmixr_controls),
688         inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
689
690 /* AINRMUX */
691 SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
692         &wm8400_dapm_ainrmux_controls, inmixer_event,
693         SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
694
695 /* Output Side */
696 /* DACs */
697 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
698         WM8400_DACL_ENA_SHIFT, 0),
699 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
700         WM8400_DACR_ENA_SHIFT, 0),
701
702 /* LOMIX */
703 SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
704                      WM8400_LOMIX_ENA_SHIFT,
705                      0, &wm8400_dapm_lomix_controls[0],
706                      ARRAY_SIZE(wm8400_dapm_lomix_controls),
707                      outmixer_event, SND_SOC_DAPM_PRE_REG),
708
709 /* LONMIX */
710 SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
711                    0, &wm8400_dapm_lonmix_controls[0],
712                    ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
713
714 /* LOPMIX */
715 SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
716                    0, &wm8400_dapm_lopmix_controls[0],
717                    ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
718
719 /* OUT3MIX */
720 SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
721                    0, &wm8400_dapm_out3mix_controls[0],
722                    ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
723
724 /* SPKMIX */
725 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
726                      0, &wm8400_dapm_spkmix_controls[0],
727                      ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
728                      SND_SOC_DAPM_PRE_REG),
729
730 /* OUT4MIX */
731 SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
732         0, &wm8400_dapm_out4mix_controls[0],
733         ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
734
735 /* ROPMIX */
736 SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
737                    0, &wm8400_dapm_ropmix_controls[0],
738                    ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
739
740 /* RONMIX */
741 SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
742                    0, &wm8400_dapm_ronmix_controls[0],
743                    ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
744
745 /* ROMIX */
746 SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
747                      WM8400_ROMIX_ENA_SHIFT,
748                      0, &wm8400_dapm_romix_controls[0],
749                      ARRAY_SIZE(wm8400_dapm_romix_controls),
750                      outmixer_event, SND_SOC_DAPM_PRE_REG),
751
752 /* LOUT PGA */
753 SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
754                  0, NULL, 0),
755
756 /* ROUT PGA */
757 SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
758                  0, NULL, 0),
759
760 /* LOPGA */
761 SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
762         NULL, 0),
763
764 /* ROPGA */
765 SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
766         NULL, 0),
767
768 /* MICBIAS */
769 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
770         WM8400_MIC1BIAS_ENA_SHIFT, 0),
771
772 SND_SOC_DAPM_OUTPUT("LON"),
773 SND_SOC_DAPM_OUTPUT("LOP"),
774 SND_SOC_DAPM_OUTPUT("OUT3"),
775 SND_SOC_DAPM_OUTPUT("LOUT"),
776 SND_SOC_DAPM_OUTPUT("SPKN"),
777 SND_SOC_DAPM_OUTPUT("SPKP"),
778 SND_SOC_DAPM_OUTPUT("ROUT"),
779 SND_SOC_DAPM_OUTPUT("OUT4"),
780 SND_SOC_DAPM_OUTPUT("ROP"),
781 SND_SOC_DAPM_OUTPUT("RON"),
782
783 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
784 };
785
786 static const struct snd_soc_dapm_route audio_map[] = {
787         /* Make DACs turn on when playing even if not mixed into any outputs */
788         {"Internal DAC Sink", NULL, "Left DAC"},
789         {"Internal DAC Sink", NULL, "Right DAC"},
790
791         /* Make ADCs turn on when recording
792          * even if not mixed from any inputs */
793         {"Left ADC", NULL, "Internal ADC Source"},
794         {"Right ADC", NULL, "Internal ADC Source"},
795
796         /* Input Side */
797         /* LIN12 PGA */
798         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
799         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
800         /* LIN34 PGA */
801         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
802         {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
803         /* INMIXL */
804         {"INMIXL", "Record Left Volume", "LOMIX"},
805         {"INMIXL", "LIN2 Volume", "LIN2"},
806         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
807         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
808         /* AILNMUX */
809         {"AILNMUX", "INMIXL Mix", "INMIXL"},
810         {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
811         {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
812         {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
813         {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
814         /* ADC */
815         {"Left ADC", NULL, "AILNMUX"},
816
817         /* RIN12 PGA */
818         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
819         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
820         /* RIN34 PGA */
821         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
822         {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
823         /* INMIXL */
824         {"INMIXR", "Record Right Volume", "ROMIX"},
825         {"INMIXR", "RIN2 Volume", "RIN2"},
826         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
827         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
828         /* AIRNMUX */
829         {"AIRNMUX", "INMIXR Mix", "INMIXR"},
830         {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
831         {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
832         {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
833         {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
834         /* ADC */
835         {"Right ADC", NULL, "AIRNMUX"},
836
837         /* LOMIX */
838         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
839         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
840         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
841         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
842         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
843         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
844         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
845
846         /* ROMIX */
847         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
848         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
849         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
850         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
851         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
852         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
853         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
854
855         /* SPKMIX */
856         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
857         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
858         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
859         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
860         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
861         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
862         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
863         {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
864
865         /* LONMIX */
866         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
867         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
868         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
869
870         /* LOPMIX */
871         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
872         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
873         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
874
875         /* OUT3MIX */
876         {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
877         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
878
879         /* OUT4MIX */
880         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
881         {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
882
883         /* RONMIX */
884         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
885         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
886         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
887
888         /* ROPMIX */
889         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
890         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
891         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
892
893         /* Out Mixer PGAs */
894         {"LOPGA", NULL, "LOMIX"},
895         {"ROPGA", NULL, "ROMIX"},
896
897         {"LOUT PGA", NULL, "LOMIX"},
898         {"ROUT PGA", NULL, "ROMIX"},
899
900         /* Output Pins */
901         {"LON", NULL, "LONMIX"},
902         {"LOP", NULL, "LOPMIX"},
903         {"OUT3", NULL, "OUT3MIX"},
904         {"LOUT", NULL, "LOUT PGA"},
905         {"SPKN", NULL, "SPKMIX"},
906         {"ROUT", NULL, "ROUT PGA"},
907         {"OUT4", NULL, "OUT4MIX"},
908         {"ROP", NULL, "ROPMIX"},
909         {"RON", NULL, "RONMIX"},
910 };
911
912 static int wm8400_add_widgets(struct snd_soc_codec *codec)
913 {
914         snd_soc_dapm_new_controls(codec, wm8400_dapm_widgets,
915                                   ARRAY_SIZE(wm8400_dapm_widgets));
916
917         snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
918
919         return 0;
920 }
921
922 /*
923  * Clock after FLL and dividers
924  */
925 static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
926                 int clk_id, unsigned int freq, int dir)
927 {
928         struct snd_soc_codec *codec = codec_dai->codec;
929         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
930
931         wm8400->sysclk = freq;
932         return 0;
933 }
934
935 struct fll_factors {
936         u16 n;
937         u16 k;
938         u16 outdiv;
939         u16 fratio;
940         u16 freq_ref;
941 };
942
943 #define FIXED_FLL_SIZE ((1 << 16) * 10)
944
945 static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
946                        unsigned int Fref, unsigned int Fout)
947 {
948         u64 Kpart;
949         unsigned int K, Nmod, target;
950
951         factors->outdiv = 2;
952         while (Fout * factors->outdiv <  90000000 ||
953                Fout * factors->outdiv > 100000000) {
954                 factors->outdiv *= 2;
955                 if (factors->outdiv > 32) {
956                         dev_err(wm8400->wm8400->dev,
957                                 "Unsupported FLL output frequency %uHz\n",
958                                 Fout);
959                         return -EINVAL;
960                 }
961         }
962         target = Fout * factors->outdiv;
963         factors->outdiv = factors->outdiv >> 2;
964
965         if (Fref < 48000)
966                 factors->freq_ref = 1;
967         else
968                 factors->freq_ref = 0;
969
970         if (Fref < 1000000)
971                 factors->fratio = 9;
972         else
973                 factors->fratio = 0;
974
975         /* Ensure we have a fractional part */
976         do {
977                 if (Fref < 1000000)
978                         factors->fratio--;
979                 else
980                         factors->fratio++;
981
982                 if (factors->fratio < 1 || factors->fratio > 8) {
983                         dev_err(wm8400->wm8400->dev,
984                                 "Unable to calculate FRATIO\n");
985                         return -EINVAL;
986                 }
987
988                 factors->n = target / (Fref * factors->fratio);
989                 Nmod = target % (Fref * factors->fratio);
990         } while (Nmod == 0);
991
992         /* Calculate fractional part - scale up so we can round. */
993         Kpart = FIXED_FLL_SIZE * (long long)Nmod;
994
995         do_div(Kpart, (Fref * factors->fratio));
996
997         K = Kpart & 0xFFFFFFFF;
998
999         if ((K % 10) >= 5)
1000                 K += 5;
1001
1002         /* Move down to proper range now rounding is done */
1003         factors->k = K / 10;
1004
1005         dev_dbg(wm8400->wm8400->dev,
1006                 "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
1007                 Fref, Fout,
1008                 factors->n, factors->k, factors->fratio, factors->outdiv);
1009
1010         return 0;
1011 }
1012
1013 static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1014                               int source, unsigned int freq_in,
1015                               unsigned int freq_out)
1016 {
1017         struct snd_soc_codec *codec = codec_dai->codec;
1018         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
1019         struct fll_factors factors;
1020         int ret;
1021         u16 reg;
1022
1023         if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
1024                 return 0;
1025
1026         if (freq_out) {
1027                 ret = fll_factors(wm8400, &factors, freq_in, freq_out);
1028                 if (ret != 0)
1029                         return ret;
1030         } else {
1031                 /* Bodge GCC 4.4.0 uninitialised variable warning - it
1032                  * doesn't seem capable of working out that we exit if
1033                  * freq_out is 0 before any of the uses. */
1034                 memset(&factors, 0, sizeof(factors));
1035         }
1036
1037         wm8400->fll_out = freq_out;
1038         wm8400->fll_in = freq_in;
1039
1040         /* We *must* disable the FLL before any changes */
1041         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_2);
1042         reg &= ~WM8400_FLL_ENA;
1043         wm8400_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
1044
1045         reg = wm8400_read(codec, WM8400_FLL_CONTROL_1);
1046         reg &= ~WM8400_FLL_OSC_ENA;
1047         wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1048
1049         if (!freq_out)
1050                 return 0;
1051
1052         reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
1053         reg |= WM8400_FLL_FRAC | factors.fratio;
1054         reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
1055         wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1056
1057         wm8400_write(codec, WM8400_FLL_CONTROL_2, factors.k);
1058         wm8400_write(codec, WM8400_FLL_CONTROL_3, factors.n);
1059
1060         reg = wm8400_read(codec, WM8400_FLL_CONTROL_4);
1061         reg &= WM8400_FLL_OUTDIV_MASK;
1062         reg |= factors.outdiv;
1063         wm8400_write(codec, WM8400_FLL_CONTROL_4, reg);
1064
1065         return 0;
1066 }
1067
1068 /*
1069  * Sets ADC and Voice DAC format.
1070  */
1071 static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
1072                 unsigned int fmt)
1073 {
1074         struct snd_soc_codec *codec = codec_dai->codec;
1075         u16 audio1, audio3;
1076
1077         audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1078         audio3 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_3);
1079
1080         /* set master/slave audio interface */
1081         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1082         case SND_SOC_DAIFMT_CBS_CFS:
1083                 audio3 &= ~WM8400_AIF_MSTR1;
1084                 break;
1085         case SND_SOC_DAIFMT_CBM_CFM:
1086                 audio3 |= WM8400_AIF_MSTR1;
1087                 break;
1088         default:
1089                 return -EINVAL;
1090         }
1091
1092         audio1 &= ~WM8400_AIF_FMT_MASK;
1093
1094         /* interface format */
1095         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1096         case SND_SOC_DAIFMT_I2S:
1097                 audio1 |= WM8400_AIF_FMT_I2S;
1098                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1099                 break;
1100         case SND_SOC_DAIFMT_RIGHT_J:
1101                 audio1 |= WM8400_AIF_FMT_RIGHTJ;
1102                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1103                 break;
1104         case SND_SOC_DAIFMT_LEFT_J:
1105                 audio1 |= WM8400_AIF_FMT_LEFTJ;
1106                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1107                 break;
1108         case SND_SOC_DAIFMT_DSP_A:
1109                 audio1 |= WM8400_AIF_FMT_DSP;
1110                 audio1 &= ~WM8400_AIF_LRCLK_INV;
1111                 break;
1112         case SND_SOC_DAIFMT_DSP_B:
1113                 audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1114                 break;
1115         default:
1116                 return -EINVAL;
1117         }
1118
1119         wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1120         wm8400_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
1121         return 0;
1122 }
1123
1124 static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1125                 int div_id, int div)
1126 {
1127         struct snd_soc_codec *codec = codec_dai->codec;
1128         u16 reg;
1129
1130         switch (div_id) {
1131         case WM8400_MCLK_DIV:
1132                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1133                         ~WM8400_MCLK_DIV_MASK;
1134                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1135                 break;
1136         case WM8400_DACCLK_DIV:
1137                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1138                         ~WM8400_DAC_CLKDIV_MASK;
1139                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1140                 break;
1141         case WM8400_ADCCLK_DIV:
1142                 reg = wm8400_read(codec, WM8400_CLOCKING_2) &
1143                         ~WM8400_ADC_CLKDIV_MASK;
1144                 wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
1145                 break;
1146         case WM8400_BCLK_DIV:
1147                 reg = wm8400_read(codec, WM8400_CLOCKING_1) &
1148                         ~WM8400_BCLK_DIV_MASK;
1149                 wm8400_write(codec, WM8400_CLOCKING_1, reg | div);
1150                 break;
1151         default:
1152                 return -EINVAL;
1153         }
1154
1155         return 0;
1156 }
1157
1158 /*
1159  * Set PCM DAI bit size and sample rate.
1160  */
1161 static int wm8400_hw_params(struct snd_pcm_substream *substream,
1162         struct snd_pcm_hw_params *params,
1163         struct snd_soc_dai *dai)
1164 {
1165         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1166         struct snd_soc_codec *codec = rtd->codec;
1167         u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
1168
1169         audio1 &= ~WM8400_AIF_WL_MASK;
1170         /* bit size */
1171         switch (params_format(params)) {
1172         case SNDRV_PCM_FORMAT_S16_LE:
1173                 break;
1174         case SNDRV_PCM_FORMAT_S20_3LE:
1175                 audio1 |= WM8400_AIF_WL_20BITS;
1176                 break;
1177         case SNDRV_PCM_FORMAT_S24_LE:
1178                 audio1 |= WM8400_AIF_WL_24BITS;
1179                 break;
1180         case SNDRV_PCM_FORMAT_S32_LE:
1181                 audio1 |= WM8400_AIF_WL_32BITS;
1182                 break;
1183         }
1184
1185         wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1186         return 0;
1187 }
1188
1189 static int wm8400_mute(struct snd_soc_dai *dai, int mute)
1190 {
1191         struct snd_soc_codec *codec = dai->codec;
1192         u16 val = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1193
1194         if (mute)
1195                 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1196         else
1197                 wm8400_write(codec, WM8400_DAC_CTRL, val);
1198
1199         return 0;
1200 }
1201
1202 /* TODO: set bias for best performance at standby */
1203 static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1204                                  enum snd_soc_bias_level level)
1205 {
1206         struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
1207         u16 val;
1208         int ret;
1209
1210         switch (level) {
1211         case SND_SOC_BIAS_ON:
1212                 break;
1213
1214         case SND_SOC_BIAS_PREPARE:
1215                 /* VMID=2*50k */
1216                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1217                         ~WM8400_VMID_MODE_MASK;
1218                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1219                 break;
1220
1221         case SND_SOC_BIAS_STANDBY:
1222                 if (codec->bias_level == SND_SOC_BIAS_OFF) {
1223                         ret = regulator_bulk_enable(ARRAY_SIZE(power),
1224                                                     &power[0]);
1225                         if (ret != 0) {
1226                                 dev_err(wm8400->wm8400->dev,
1227                                         "Failed to enable regulators: %d\n",
1228                                         ret);
1229                                 return ret;
1230                         }
1231
1232                         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1233                                      WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1234
1235                         /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1236                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1237                                      WM8400_BUFDCOPEN | WM8400_POBCTRL);
1238
1239                         msleep(50);
1240
1241                         /* Enable VREF & VMID at 2x50k */
1242                         val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1243                         val |= 0x2 | WM8400_VREF_ENA;
1244                         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1245
1246                         /* Enable BUFIOEN */
1247                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1248                                      WM8400_BUFDCOPEN | WM8400_POBCTRL |
1249                                      WM8400_BUFIOEN);
1250
1251                         /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1252                         wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1253                 }
1254
1255                 /* VMID=2*300k */
1256                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
1257                         ~WM8400_VMID_MODE_MASK;
1258                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1259                 break;
1260
1261         case SND_SOC_BIAS_OFF:
1262                 /* Enable POBCTRL and SOFT_ST */
1263                 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1264                         WM8400_POBCTRL | WM8400_BUFIOEN);
1265
1266                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1267                 wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1268                         WM8400_BUFDCOPEN | WM8400_POBCTRL |
1269                         WM8400_BUFIOEN);
1270
1271                 /* mute DAC */
1272                 val = wm8400_read(codec, WM8400_DAC_CTRL);
1273                 wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1274
1275                 /* Enable any disabled outputs */
1276                 val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1277                 val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1278                         WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1279                         WM8400_ROUT_ENA;
1280                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1281
1282                 /* Disable VMID */
1283                 val &= ~WM8400_VMID_MODE_MASK;
1284                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1285
1286                 msleep(300);
1287
1288                 /* Enable all output discharge bits */
1289                 wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1290                         WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1291                         WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1292                         WM8400_DIS_ROUT);
1293
1294                 /* Disable VREF */
1295                 val &= ~WM8400_VREF_ENA;
1296                 wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1297
1298                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1299                 wm8400_write(codec, WM8400_ANTIPOP2, 0x0);
1300
1301                 ret = regulator_bulk_disable(ARRAY_SIZE(power),
1302                                              &power[0]);
1303                 if (ret != 0)
1304                         return ret;
1305
1306                 break;
1307         }
1308
1309         codec->bias_level = level;
1310         return 0;
1311 }
1312
1313 #define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1314
1315 #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1316         SNDRV_PCM_FMTBIT_S24_LE)
1317
1318 static struct snd_soc_dai_ops wm8400_dai_ops = {
1319         .hw_params = wm8400_hw_params,
1320         .digital_mute = wm8400_mute,
1321         .set_fmt = wm8400_set_dai_fmt,
1322         .set_clkdiv = wm8400_set_dai_clkdiv,
1323         .set_sysclk = wm8400_set_dai_sysclk,
1324         .set_pll = wm8400_set_dai_pll,
1325 };
1326
1327 /*
1328  * The WM8400 supports 2 different and mutually exclusive DAI
1329  * configurations.
1330  *
1331  * 1. ADC/DAC on Primary Interface
1332  * 2. ADC on Primary Interface/DAC on secondary
1333  */
1334 static struct snd_soc_dai_driver wm8400_dai = {
1335 /* ADC/DAC on primary */
1336         .name = "wm8400-hifi",
1337         .playback = {
1338                 .stream_name = "Playback",
1339                 .channels_min = 1,
1340                 .channels_max = 2,
1341                 .rates = WM8400_RATES,
1342                 .formats = WM8400_FORMATS,
1343         },
1344         .capture = {
1345                 .stream_name = "Capture",
1346                 .channels_min = 1,
1347                 .channels_max = 2,
1348                 .rates = WM8400_RATES,
1349                 .formats = WM8400_FORMATS,
1350         },
1351         .ops = &wm8400_dai_ops,
1352 };
1353
1354 static int wm8400_suspend(struct snd_soc_codec *codec, pm_message_t state)
1355 {
1356         wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1357
1358         return 0;
1359 }
1360
1361 static int wm8400_resume(struct snd_soc_codec *codec)
1362 {
1363         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1364
1365         return 0;
1366 }
1367
1368 static void wm8400_probe_deferred(struct work_struct *work)
1369 {
1370         struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
1371                                                 work);
1372         struct snd_soc_codec *codec = priv->codec;
1373
1374         /* charge output caps */
1375         wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1376 }
1377
1378 static int wm8400_codec_probe(struct snd_soc_codec *codec)
1379 {
1380         struct wm8400 *wm8400 = dev_get_platdata(codec->dev);
1381         struct wm8400_priv *priv;
1382         int ret;
1383         u16 reg;
1384
1385         priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
1386         if (priv == NULL)
1387                 return -ENOMEM;
1388
1389         snd_soc_codec_set_drvdata(codec, priv);
1390         codec->control_data = priv->wm8400 = wm8400;
1391         priv->codec = codec;
1392
1393         ret = regulator_bulk_get(wm8400->dev,
1394                                  ARRAY_SIZE(power), &power[0]);
1395         if (ret != 0) {
1396                 dev_err(codec->dev, "Failed to get regulators: %d\n", ret);
1397                 goto err;
1398         }
1399
1400         INIT_WORK(&priv->work, wm8400_probe_deferred);
1401
1402         wm8400_codec_reset(codec);
1403
1404         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1405         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1406
1407         /* Latch volume update bits */
1408         reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1409         wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1410                      reg & WM8400_IPVU);
1411         reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1412         wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1413                      reg & WM8400_IPVU);
1414
1415         wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1416         wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1417
1418         if (!schedule_work(&priv->work)) {
1419                 ret = -EINVAL;
1420                 goto err_regulator;
1421         }
1422         wm8400_add_controls(codec);
1423         wm8400_add_widgets(codec);
1424         return 0;
1425
1426 err_regulator:
1427         regulator_bulk_free(ARRAY_SIZE(power), power);
1428 err:
1429         kfree(priv);
1430         return ret;
1431 }
1432
1433 static int  wm8400_codec_remove(struct snd_soc_codec *codec)
1434 {
1435         struct wm8400_priv *priv = snd_soc_codec_get_drvdata(codec);
1436         u16 reg;
1437
1438         reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
1439         wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
1440                      reg & (~WM8400_CODEC_ENA));
1441
1442         regulator_bulk_free(ARRAY_SIZE(power), power);
1443         kfree(priv);
1444
1445         return 0;
1446 }
1447
1448 static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
1449         .probe =        wm8400_codec_probe,
1450         .remove =       wm8400_codec_remove,
1451         .suspend =      wm8400_suspend,
1452         .resume =       wm8400_resume,
1453         .read = wm8400_read,
1454         .write = wm8400_write,
1455         .set_bias_level = wm8400_set_bias_level,
1456 };
1457
1458 static int __devinit wm8400_probe(struct platform_device *pdev)
1459 {
1460         return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400,
1461                         &wm8400_dai, 1);
1462 }
1463
1464 static int __devexit wm8400_remove(struct platform_device *pdev)
1465 {
1466         snd_soc_unregister_codec(&pdev->dev);
1467         return 0;
1468 }
1469
1470 static struct platform_driver wm8400_codec_driver = {
1471         .driver = {
1472                    .name = "wm8400-codec",
1473                    .owner = THIS_MODULE,
1474                    },
1475         .probe = wm8400_probe,
1476         .remove = __devexit_p(wm8400_remove),
1477 };
1478
1479 static __init int wm8400_init(void)
1480 {
1481         return platform_driver_register(&wm8400_codec_driver);
1482 }
1483 module_init(wm8400_init);
1484
1485 static __exit void wm8400_exit(void)
1486 {
1487         platform_driver_unregister(&wm8400_codec_driver);
1488 }
1489 module_exit(wm8400_exit);
1490
1491 MODULE_DESCRIPTION("ASoC WM8400 driver");
1492 MODULE_AUTHOR("Mark Brown");
1493 MODULE_LICENSE("GPL");
1494 MODULE_ALIAS("platform:wm8400-codec");