xref: /linux/sound/soc/codecs/max98088.c (revision b889fcf63cb62e7fdb7816565e28f44dbe4a76a5)
1 /*
2  * max98088.c -- MAX98088 ALSA SoC Audio driver
3  *
4  * Copyright 2010 Maxim Integrated Products
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/i2c.h>
18 #include <sound/core.h>
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/initval.h>
23 #include <sound/tlv.h>
24 #include <linux/slab.h>
25 #include <asm/div64.h>
26 #include <sound/max98088.h>
27 #include "max98088.h"
28 
29 enum max98088_type {
30        MAX98088,
31        MAX98089,
32 };
33 
34 struct max98088_cdata {
35        unsigned int rate;
36        unsigned int fmt;
37        int eq_sel;
38 };
39 
40 struct max98088_priv {
41        enum max98088_type devtype;
42        struct max98088_pdata *pdata;
43        unsigned int sysclk;
44        struct max98088_cdata dai[2];
45        int eq_textcnt;
46        const char **eq_texts;
47        struct soc_enum eq_enum;
48        u8 ina_state;
49        u8 inb_state;
50        unsigned int ex_mode;
51        unsigned int digmic;
52        unsigned int mic1pre;
53        unsigned int mic2pre;
54        unsigned int extmic_mode;
55 };
56 
57 static const u8 max98088_reg[M98088_REG_CNT] = {
58        0x00, /* 00 IRQ status */
59        0x00, /* 01 MIC status */
60        0x00, /* 02 jack status */
61        0x00, /* 03 battery voltage */
62        0x00, /* 04 */
63        0x00, /* 05 */
64        0x00, /* 06 */
65        0x00, /* 07 */
66        0x00, /* 08 */
67        0x00, /* 09 */
68        0x00, /* 0A */
69        0x00, /* 0B */
70        0x00, /* 0C */
71        0x00, /* 0D */
72        0x00, /* 0E */
73        0x00, /* 0F interrupt enable */
74 
75        0x00, /* 10 master clock */
76        0x00, /* 11 DAI1 clock mode */
77        0x00, /* 12 DAI1 clock control */
78        0x00, /* 13 DAI1 clock control */
79        0x00, /* 14 DAI1 format */
80        0x00, /* 15 DAI1 clock */
81        0x00, /* 16 DAI1 config */
82        0x00, /* 17 DAI1 TDM */
83        0x00, /* 18 DAI1 filters */
84        0x00, /* 19 DAI2 clock mode */
85        0x00, /* 1A DAI2 clock control */
86        0x00, /* 1B DAI2 clock control */
87        0x00, /* 1C DAI2 format */
88        0x00, /* 1D DAI2 clock */
89        0x00, /* 1E DAI2 config */
90        0x00, /* 1F DAI2 TDM */
91 
92        0x00, /* 20 DAI2 filters */
93        0x00, /* 21 data config */
94        0x00, /* 22 DAC mixer */
95        0x00, /* 23 left ADC mixer */
96        0x00, /* 24 right ADC mixer */
97        0x00, /* 25 left HP mixer */
98        0x00, /* 26 right HP mixer */
99        0x00, /* 27 HP control */
100        0x00, /* 28 left REC mixer */
101        0x00, /* 29 right REC mixer */
102        0x00, /* 2A REC control */
103        0x00, /* 2B left SPK mixer */
104        0x00, /* 2C right SPK mixer */
105        0x00, /* 2D SPK control */
106        0x00, /* 2E sidetone */
107        0x00, /* 2F DAI1 playback level */
108 
109        0x00, /* 30 DAI1 playback level */
110        0x00, /* 31 DAI2 playback level */
111        0x00, /* 32 DAI2 playbakc level */
112        0x00, /* 33 left ADC level */
113        0x00, /* 34 right ADC level */
114        0x00, /* 35 MIC1 level */
115        0x00, /* 36 MIC2 level */
116        0x00, /* 37 INA level */
117        0x00, /* 38 INB level */
118        0x00, /* 39 left HP volume */
119        0x00, /* 3A right HP volume */
120        0x00, /* 3B left REC volume */
121        0x00, /* 3C right REC volume */
122        0x00, /* 3D left SPK volume */
123        0x00, /* 3E right SPK volume */
124        0x00, /* 3F MIC config */
125 
126        0x00, /* 40 MIC threshold */
127        0x00, /* 41 excursion limiter filter */
128        0x00, /* 42 excursion limiter threshold */
129        0x00, /* 43 ALC */
130        0x00, /* 44 power limiter threshold */
131        0x00, /* 45 power limiter config */
132        0x00, /* 46 distortion limiter config */
133        0x00, /* 47 audio input */
134        0x00, /* 48 microphone */
135        0x00, /* 49 level control */
136        0x00, /* 4A bypass switches */
137        0x00, /* 4B jack detect */
138        0x00, /* 4C input enable */
139        0x00, /* 4D output enable */
140        0xF0, /* 4E bias control */
141        0x00, /* 4F DAC power */
142 
143        0x0F, /* 50 DAC power */
144        0x00, /* 51 system */
145        0x00, /* 52 DAI1 EQ1 */
146        0x00, /* 53 DAI1 EQ1 */
147        0x00, /* 54 DAI1 EQ1 */
148        0x00, /* 55 DAI1 EQ1 */
149        0x00, /* 56 DAI1 EQ1 */
150        0x00, /* 57 DAI1 EQ1 */
151        0x00, /* 58 DAI1 EQ1 */
152        0x00, /* 59 DAI1 EQ1 */
153        0x00, /* 5A DAI1 EQ1 */
154        0x00, /* 5B DAI1 EQ1 */
155        0x00, /* 5C DAI1 EQ2 */
156        0x00, /* 5D DAI1 EQ2 */
157        0x00, /* 5E DAI1 EQ2 */
158        0x00, /* 5F DAI1 EQ2 */
159 
160        0x00, /* 60 DAI1 EQ2 */
161        0x00, /* 61 DAI1 EQ2 */
162        0x00, /* 62 DAI1 EQ2 */
163        0x00, /* 63 DAI1 EQ2 */
164        0x00, /* 64 DAI1 EQ2 */
165        0x00, /* 65 DAI1 EQ2 */
166        0x00, /* 66 DAI1 EQ3 */
167        0x00, /* 67 DAI1 EQ3 */
168        0x00, /* 68 DAI1 EQ3 */
169        0x00, /* 69 DAI1 EQ3 */
170        0x00, /* 6A DAI1 EQ3 */
171        0x00, /* 6B DAI1 EQ3 */
172        0x00, /* 6C DAI1 EQ3 */
173        0x00, /* 6D DAI1 EQ3 */
174        0x00, /* 6E DAI1 EQ3 */
175        0x00, /* 6F DAI1 EQ3 */
176 
177        0x00, /* 70 DAI1 EQ4 */
178        0x00, /* 71 DAI1 EQ4 */
179        0x00, /* 72 DAI1 EQ4 */
180        0x00, /* 73 DAI1 EQ4 */
181        0x00, /* 74 DAI1 EQ4 */
182        0x00, /* 75 DAI1 EQ4 */
183        0x00, /* 76 DAI1 EQ4 */
184        0x00, /* 77 DAI1 EQ4 */
185        0x00, /* 78 DAI1 EQ4 */
186        0x00, /* 79 DAI1 EQ4 */
187        0x00, /* 7A DAI1 EQ5 */
188        0x00, /* 7B DAI1 EQ5 */
189        0x00, /* 7C DAI1 EQ5 */
190        0x00, /* 7D DAI1 EQ5 */
191        0x00, /* 7E DAI1 EQ5 */
192        0x00, /* 7F DAI1 EQ5 */
193 
194        0x00, /* 80 DAI1 EQ5 */
195        0x00, /* 81 DAI1 EQ5 */
196        0x00, /* 82 DAI1 EQ5 */
197        0x00, /* 83 DAI1 EQ5 */
198        0x00, /* 84 DAI2 EQ1 */
199        0x00, /* 85 DAI2 EQ1 */
200        0x00, /* 86 DAI2 EQ1 */
201        0x00, /* 87 DAI2 EQ1 */
202        0x00, /* 88 DAI2 EQ1 */
203        0x00, /* 89 DAI2 EQ1 */
204        0x00, /* 8A DAI2 EQ1 */
205        0x00, /* 8B DAI2 EQ1 */
206        0x00, /* 8C DAI2 EQ1 */
207        0x00, /* 8D DAI2 EQ1 */
208        0x00, /* 8E DAI2 EQ2 */
209        0x00, /* 8F DAI2 EQ2 */
210 
211        0x00, /* 90 DAI2 EQ2 */
212        0x00, /* 91 DAI2 EQ2 */
213        0x00, /* 92 DAI2 EQ2 */
214        0x00, /* 93 DAI2 EQ2 */
215        0x00, /* 94 DAI2 EQ2 */
216        0x00, /* 95 DAI2 EQ2 */
217        0x00, /* 96 DAI2 EQ2 */
218        0x00, /* 97 DAI2 EQ2 */
219        0x00, /* 98 DAI2 EQ3 */
220        0x00, /* 99 DAI2 EQ3 */
221        0x00, /* 9A DAI2 EQ3 */
222        0x00, /* 9B DAI2 EQ3 */
223        0x00, /* 9C DAI2 EQ3 */
224        0x00, /* 9D DAI2 EQ3 */
225        0x00, /* 9E DAI2 EQ3 */
226        0x00, /* 9F DAI2 EQ3 */
227 
228        0x00, /* A0 DAI2 EQ3 */
229        0x00, /* A1 DAI2 EQ3 */
230        0x00, /* A2 DAI2 EQ4 */
231        0x00, /* A3 DAI2 EQ4 */
232        0x00, /* A4 DAI2 EQ4 */
233        0x00, /* A5 DAI2 EQ4 */
234        0x00, /* A6 DAI2 EQ4 */
235        0x00, /* A7 DAI2 EQ4 */
236        0x00, /* A8 DAI2 EQ4 */
237        0x00, /* A9 DAI2 EQ4 */
238        0x00, /* AA DAI2 EQ4 */
239        0x00, /* AB DAI2 EQ4 */
240        0x00, /* AC DAI2 EQ5 */
241        0x00, /* AD DAI2 EQ5 */
242        0x00, /* AE DAI2 EQ5 */
243        0x00, /* AF DAI2 EQ5 */
244 
245        0x00, /* B0 DAI2 EQ5 */
246        0x00, /* B1 DAI2 EQ5 */
247        0x00, /* B2 DAI2 EQ5 */
248        0x00, /* B3 DAI2 EQ5 */
249        0x00, /* B4 DAI2 EQ5 */
250        0x00, /* B5 DAI2 EQ5 */
251        0x00, /* B6 DAI1 biquad */
252        0x00, /* B7 DAI1 biquad */
253        0x00, /* B8 DAI1 biquad */
254        0x00, /* B9 DAI1 biquad */
255        0x00, /* BA DAI1 biquad */
256        0x00, /* BB DAI1 biquad */
257        0x00, /* BC DAI1 biquad */
258        0x00, /* BD DAI1 biquad */
259        0x00, /* BE DAI1 biquad */
260        0x00, /* BF DAI1 biquad */
261 
262        0x00, /* C0 DAI2 biquad */
263        0x00, /* C1 DAI2 biquad */
264        0x00, /* C2 DAI2 biquad */
265        0x00, /* C3 DAI2 biquad */
266        0x00, /* C4 DAI2 biquad */
267        0x00, /* C5 DAI2 biquad */
268        0x00, /* C6 DAI2 biquad */
269        0x00, /* C7 DAI2 biquad */
270        0x00, /* C8 DAI2 biquad */
271        0x00, /* C9 DAI2 biquad */
272        0x00, /* CA */
273        0x00, /* CB */
274        0x00, /* CC */
275        0x00, /* CD */
276        0x00, /* CE */
277        0x00, /* CF */
278 
279        0x00, /* D0 */
280        0x00, /* D1 */
281        0x00, /* D2 */
282        0x00, /* D3 */
283        0x00, /* D4 */
284        0x00, /* D5 */
285        0x00, /* D6 */
286        0x00, /* D7 */
287        0x00, /* D8 */
288        0x00, /* D9 */
289        0x00, /* DA */
290        0x70, /* DB */
291        0x00, /* DC */
292        0x00, /* DD */
293        0x00, /* DE */
294        0x00, /* DF */
295 
296        0x00, /* E0 */
297        0x00, /* E1 */
298        0x00, /* E2 */
299        0x00, /* E3 */
300        0x00, /* E4 */
301        0x00, /* E5 */
302        0x00, /* E6 */
303        0x00, /* E7 */
304        0x00, /* E8 */
305        0x00, /* E9 */
306        0x00, /* EA */
307        0x00, /* EB */
308        0x00, /* EC */
309        0x00, /* ED */
310        0x00, /* EE */
311        0x00, /* EF */
312 
313        0x00, /* F0 */
314        0x00, /* F1 */
315        0x00, /* F2 */
316        0x00, /* F3 */
317        0x00, /* F4 */
318        0x00, /* F5 */
319        0x00, /* F6 */
320        0x00, /* F7 */
321        0x00, /* F8 */
322        0x00, /* F9 */
323        0x00, /* FA */
324        0x00, /* FB */
325        0x00, /* FC */
326        0x00, /* FD */
327        0x00, /* FE */
328        0x00, /* FF */
329 };
330 
331 static struct {
332        int readable;
333        int writable;
334        int vol;
335 } max98088_access[M98088_REG_CNT] = {
336        { 0xFF, 0xFF, 1 }, /* 00 IRQ status */
337        { 0xFF, 0x00, 1 }, /* 01 MIC status */
338        { 0xFF, 0x00, 1 }, /* 02 jack status */
339        { 0x1F, 0x1F, 1 }, /* 03 battery voltage */
340        { 0xFF, 0xFF, 0 }, /* 04 */
341        { 0xFF, 0xFF, 0 }, /* 05 */
342        { 0xFF, 0xFF, 0 }, /* 06 */
343        { 0xFF, 0xFF, 0 }, /* 07 */
344        { 0xFF, 0xFF, 0 }, /* 08 */
345        { 0xFF, 0xFF, 0 }, /* 09 */
346        { 0xFF, 0xFF, 0 }, /* 0A */
347        { 0xFF, 0xFF, 0 }, /* 0B */
348        { 0xFF, 0xFF, 0 }, /* 0C */
349        { 0xFF, 0xFF, 0 }, /* 0D */
350        { 0xFF, 0xFF, 0 }, /* 0E */
351        { 0xFF, 0xFF, 0 }, /* 0F interrupt enable */
352 
353        { 0xFF, 0xFF, 0 }, /* 10 master clock */
354        { 0xFF, 0xFF, 0 }, /* 11 DAI1 clock mode */
355        { 0xFF, 0xFF, 0 }, /* 12 DAI1 clock control */
356        { 0xFF, 0xFF, 0 }, /* 13 DAI1 clock control */
357        { 0xFF, 0xFF, 0 }, /* 14 DAI1 format */
358        { 0xFF, 0xFF, 0 }, /* 15 DAI1 clock */
359        { 0xFF, 0xFF, 0 }, /* 16 DAI1 config */
360        { 0xFF, 0xFF, 0 }, /* 17 DAI1 TDM */
361        { 0xFF, 0xFF, 0 }, /* 18 DAI1 filters */
362        { 0xFF, 0xFF, 0 }, /* 19 DAI2 clock mode */
363        { 0xFF, 0xFF, 0 }, /* 1A DAI2 clock control */
364        { 0xFF, 0xFF, 0 }, /* 1B DAI2 clock control */
365        { 0xFF, 0xFF, 0 }, /* 1C DAI2 format */
366        { 0xFF, 0xFF, 0 }, /* 1D DAI2 clock */
367        { 0xFF, 0xFF, 0 }, /* 1E DAI2 config */
368        { 0xFF, 0xFF, 0 }, /* 1F DAI2 TDM */
369 
370        { 0xFF, 0xFF, 0 }, /* 20 DAI2 filters */
371        { 0xFF, 0xFF, 0 }, /* 21 data config */
372        { 0xFF, 0xFF, 0 }, /* 22 DAC mixer */
373        { 0xFF, 0xFF, 0 }, /* 23 left ADC mixer */
374        { 0xFF, 0xFF, 0 }, /* 24 right ADC mixer */
375        { 0xFF, 0xFF, 0 }, /* 25 left HP mixer */
376        { 0xFF, 0xFF, 0 }, /* 26 right HP mixer */
377        { 0xFF, 0xFF, 0 }, /* 27 HP control */
378        { 0xFF, 0xFF, 0 }, /* 28 left REC mixer */
379        { 0xFF, 0xFF, 0 }, /* 29 right REC mixer */
380        { 0xFF, 0xFF, 0 }, /* 2A REC control */
381        { 0xFF, 0xFF, 0 }, /* 2B left SPK mixer */
382        { 0xFF, 0xFF, 0 }, /* 2C right SPK mixer */
383        { 0xFF, 0xFF, 0 }, /* 2D SPK control */
384        { 0xFF, 0xFF, 0 }, /* 2E sidetone */
385        { 0xFF, 0xFF, 0 }, /* 2F DAI1 playback level */
386 
387        { 0xFF, 0xFF, 0 }, /* 30 DAI1 playback level */
388        { 0xFF, 0xFF, 0 }, /* 31 DAI2 playback level */
389        { 0xFF, 0xFF, 0 }, /* 32 DAI2 playbakc level */
390        { 0xFF, 0xFF, 0 }, /* 33 left ADC level */
391        { 0xFF, 0xFF, 0 }, /* 34 right ADC level */
392        { 0xFF, 0xFF, 0 }, /* 35 MIC1 level */
393        { 0xFF, 0xFF, 0 }, /* 36 MIC2 level */
394        { 0xFF, 0xFF, 0 }, /* 37 INA level */
395        { 0xFF, 0xFF, 0 }, /* 38 INB level */
396        { 0xFF, 0xFF, 0 }, /* 39 left HP volume */
397        { 0xFF, 0xFF, 0 }, /* 3A right HP volume */
398        { 0xFF, 0xFF, 0 }, /* 3B left REC volume */
399        { 0xFF, 0xFF, 0 }, /* 3C right REC volume */
400        { 0xFF, 0xFF, 0 }, /* 3D left SPK volume */
401        { 0xFF, 0xFF, 0 }, /* 3E right SPK volume */
402        { 0xFF, 0xFF, 0 }, /* 3F MIC config */
403 
404        { 0xFF, 0xFF, 0 }, /* 40 MIC threshold */
405        { 0xFF, 0xFF, 0 }, /* 41 excursion limiter filter */
406        { 0xFF, 0xFF, 0 }, /* 42 excursion limiter threshold */
407        { 0xFF, 0xFF, 0 }, /* 43 ALC */
408        { 0xFF, 0xFF, 0 }, /* 44 power limiter threshold */
409        { 0xFF, 0xFF, 0 }, /* 45 power limiter config */
410        { 0xFF, 0xFF, 0 }, /* 46 distortion limiter config */
411        { 0xFF, 0xFF, 0 }, /* 47 audio input */
412        { 0xFF, 0xFF, 0 }, /* 48 microphone */
413        { 0xFF, 0xFF, 0 }, /* 49 level control */
414        { 0xFF, 0xFF, 0 }, /* 4A bypass switches */
415        { 0xFF, 0xFF, 0 }, /* 4B jack detect */
416        { 0xFF, 0xFF, 0 }, /* 4C input enable */
417        { 0xFF, 0xFF, 0 }, /* 4D output enable */
418        { 0xFF, 0xFF, 0 }, /* 4E bias control */
419        { 0xFF, 0xFF, 0 }, /* 4F DAC power */
420 
421        { 0xFF, 0xFF, 0 }, /* 50 DAC power */
422        { 0xFF, 0xFF, 0 }, /* 51 system */
423        { 0xFF, 0xFF, 0 }, /* 52 DAI1 EQ1 */
424        { 0xFF, 0xFF, 0 }, /* 53 DAI1 EQ1 */
425        { 0xFF, 0xFF, 0 }, /* 54 DAI1 EQ1 */
426        { 0xFF, 0xFF, 0 }, /* 55 DAI1 EQ1 */
427        { 0xFF, 0xFF, 0 }, /* 56 DAI1 EQ1 */
428        { 0xFF, 0xFF, 0 }, /* 57 DAI1 EQ1 */
429        { 0xFF, 0xFF, 0 }, /* 58 DAI1 EQ1 */
430        { 0xFF, 0xFF, 0 }, /* 59 DAI1 EQ1 */
431        { 0xFF, 0xFF, 0 }, /* 5A DAI1 EQ1 */
432        { 0xFF, 0xFF, 0 }, /* 5B DAI1 EQ1 */
433        { 0xFF, 0xFF, 0 }, /* 5C DAI1 EQ2 */
434        { 0xFF, 0xFF, 0 }, /* 5D DAI1 EQ2 */
435        { 0xFF, 0xFF, 0 }, /* 5E DAI1 EQ2 */
436        { 0xFF, 0xFF, 0 }, /* 5F DAI1 EQ2 */
437 
438        { 0xFF, 0xFF, 0 }, /* 60 DAI1 EQ2 */
439        { 0xFF, 0xFF, 0 }, /* 61 DAI1 EQ2 */
440        { 0xFF, 0xFF, 0 }, /* 62 DAI1 EQ2 */
441        { 0xFF, 0xFF, 0 }, /* 63 DAI1 EQ2 */
442        { 0xFF, 0xFF, 0 }, /* 64 DAI1 EQ2 */
443        { 0xFF, 0xFF, 0 }, /* 65 DAI1 EQ2 */
444        { 0xFF, 0xFF, 0 }, /* 66 DAI1 EQ3 */
445        { 0xFF, 0xFF, 0 }, /* 67 DAI1 EQ3 */
446        { 0xFF, 0xFF, 0 }, /* 68 DAI1 EQ3 */
447        { 0xFF, 0xFF, 0 }, /* 69 DAI1 EQ3 */
448        { 0xFF, 0xFF, 0 }, /* 6A DAI1 EQ3 */
449        { 0xFF, 0xFF, 0 }, /* 6B DAI1 EQ3 */
450        { 0xFF, 0xFF, 0 }, /* 6C DAI1 EQ3 */
451        { 0xFF, 0xFF, 0 }, /* 6D DAI1 EQ3 */
452        { 0xFF, 0xFF, 0 }, /* 6E DAI1 EQ3 */
453        { 0xFF, 0xFF, 0 }, /* 6F DAI1 EQ3 */
454 
455        { 0xFF, 0xFF, 0 }, /* 70 DAI1 EQ4 */
456        { 0xFF, 0xFF, 0 }, /* 71 DAI1 EQ4 */
457        { 0xFF, 0xFF, 0 }, /* 72 DAI1 EQ4 */
458        { 0xFF, 0xFF, 0 }, /* 73 DAI1 EQ4 */
459        { 0xFF, 0xFF, 0 }, /* 74 DAI1 EQ4 */
460        { 0xFF, 0xFF, 0 }, /* 75 DAI1 EQ4 */
461        { 0xFF, 0xFF, 0 }, /* 76 DAI1 EQ4 */
462        { 0xFF, 0xFF, 0 }, /* 77 DAI1 EQ4 */
463        { 0xFF, 0xFF, 0 }, /* 78 DAI1 EQ4 */
464        { 0xFF, 0xFF, 0 }, /* 79 DAI1 EQ4 */
465        { 0xFF, 0xFF, 0 }, /* 7A DAI1 EQ5 */
466        { 0xFF, 0xFF, 0 }, /* 7B DAI1 EQ5 */
467        { 0xFF, 0xFF, 0 }, /* 7C DAI1 EQ5 */
468        { 0xFF, 0xFF, 0 }, /* 7D DAI1 EQ5 */
469        { 0xFF, 0xFF, 0 }, /* 7E DAI1 EQ5 */
470        { 0xFF, 0xFF, 0 }, /* 7F DAI1 EQ5 */
471 
472        { 0xFF, 0xFF, 0 }, /* 80 DAI1 EQ5 */
473        { 0xFF, 0xFF, 0 }, /* 81 DAI1 EQ5 */
474        { 0xFF, 0xFF, 0 }, /* 82 DAI1 EQ5 */
475        { 0xFF, 0xFF, 0 }, /* 83 DAI1 EQ5 */
476        { 0xFF, 0xFF, 0 }, /* 84 DAI2 EQ1 */
477        { 0xFF, 0xFF, 0 }, /* 85 DAI2 EQ1 */
478        { 0xFF, 0xFF, 0 }, /* 86 DAI2 EQ1 */
479        { 0xFF, 0xFF, 0 }, /* 87 DAI2 EQ1 */
480        { 0xFF, 0xFF, 0 }, /* 88 DAI2 EQ1 */
481        { 0xFF, 0xFF, 0 }, /* 89 DAI2 EQ1 */
482        { 0xFF, 0xFF, 0 }, /* 8A DAI2 EQ1 */
483        { 0xFF, 0xFF, 0 }, /* 8B DAI2 EQ1 */
484        { 0xFF, 0xFF, 0 }, /* 8C DAI2 EQ1 */
485        { 0xFF, 0xFF, 0 }, /* 8D DAI2 EQ1 */
486        { 0xFF, 0xFF, 0 }, /* 8E DAI2 EQ2 */
487        { 0xFF, 0xFF, 0 }, /* 8F DAI2 EQ2 */
488 
489        { 0xFF, 0xFF, 0 }, /* 90 DAI2 EQ2 */
490        { 0xFF, 0xFF, 0 }, /* 91 DAI2 EQ2 */
491        { 0xFF, 0xFF, 0 }, /* 92 DAI2 EQ2 */
492        { 0xFF, 0xFF, 0 }, /* 93 DAI2 EQ2 */
493        { 0xFF, 0xFF, 0 }, /* 94 DAI2 EQ2 */
494        { 0xFF, 0xFF, 0 }, /* 95 DAI2 EQ2 */
495        { 0xFF, 0xFF, 0 }, /* 96 DAI2 EQ2 */
496        { 0xFF, 0xFF, 0 }, /* 97 DAI2 EQ2 */
497        { 0xFF, 0xFF, 0 }, /* 98 DAI2 EQ3 */
498        { 0xFF, 0xFF, 0 }, /* 99 DAI2 EQ3 */
499        { 0xFF, 0xFF, 0 }, /* 9A DAI2 EQ3 */
500        { 0xFF, 0xFF, 0 }, /* 9B DAI2 EQ3 */
501        { 0xFF, 0xFF, 0 }, /* 9C DAI2 EQ3 */
502        { 0xFF, 0xFF, 0 }, /* 9D DAI2 EQ3 */
503        { 0xFF, 0xFF, 0 }, /* 9E DAI2 EQ3 */
504        { 0xFF, 0xFF, 0 }, /* 9F DAI2 EQ3 */
505 
506        { 0xFF, 0xFF, 0 }, /* A0 DAI2 EQ3 */
507        { 0xFF, 0xFF, 0 }, /* A1 DAI2 EQ3 */
508        { 0xFF, 0xFF, 0 }, /* A2 DAI2 EQ4 */
509        { 0xFF, 0xFF, 0 }, /* A3 DAI2 EQ4 */
510        { 0xFF, 0xFF, 0 }, /* A4 DAI2 EQ4 */
511        { 0xFF, 0xFF, 0 }, /* A5 DAI2 EQ4 */
512        { 0xFF, 0xFF, 0 }, /* A6 DAI2 EQ4 */
513        { 0xFF, 0xFF, 0 }, /* A7 DAI2 EQ4 */
514        { 0xFF, 0xFF, 0 }, /* A8 DAI2 EQ4 */
515        { 0xFF, 0xFF, 0 }, /* A9 DAI2 EQ4 */
516        { 0xFF, 0xFF, 0 }, /* AA DAI2 EQ4 */
517        { 0xFF, 0xFF, 0 }, /* AB DAI2 EQ4 */
518        { 0xFF, 0xFF, 0 }, /* AC DAI2 EQ5 */
519        { 0xFF, 0xFF, 0 }, /* AD DAI2 EQ5 */
520        { 0xFF, 0xFF, 0 }, /* AE DAI2 EQ5 */
521        { 0xFF, 0xFF, 0 }, /* AF DAI2 EQ5 */
522 
523        { 0xFF, 0xFF, 0 }, /* B0 DAI2 EQ5 */
524        { 0xFF, 0xFF, 0 }, /* B1 DAI2 EQ5 */
525        { 0xFF, 0xFF, 0 }, /* B2 DAI2 EQ5 */
526        { 0xFF, 0xFF, 0 }, /* B3 DAI2 EQ5 */
527        { 0xFF, 0xFF, 0 }, /* B4 DAI2 EQ5 */
528        { 0xFF, 0xFF, 0 }, /* B5 DAI2 EQ5 */
529        { 0xFF, 0xFF, 0 }, /* B6 DAI1 biquad */
530        { 0xFF, 0xFF, 0 }, /* B7 DAI1 biquad */
531        { 0xFF, 0xFF, 0 }, /* B8 DAI1 biquad */
532        { 0xFF, 0xFF, 0 }, /* B9 DAI1 biquad */
533        { 0xFF, 0xFF, 0 }, /* BA DAI1 biquad */
534        { 0xFF, 0xFF, 0 }, /* BB DAI1 biquad */
535        { 0xFF, 0xFF, 0 }, /* BC DAI1 biquad */
536        { 0xFF, 0xFF, 0 }, /* BD DAI1 biquad */
537        { 0xFF, 0xFF, 0 }, /* BE DAI1 biquad */
538        { 0xFF, 0xFF, 0 }, /* BF DAI1 biquad */
539 
540        { 0xFF, 0xFF, 0 }, /* C0 DAI2 biquad */
541        { 0xFF, 0xFF, 0 }, /* C1 DAI2 biquad */
542        { 0xFF, 0xFF, 0 }, /* C2 DAI2 biquad */
543        { 0xFF, 0xFF, 0 }, /* C3 DAI2 biquad */
544        { 0xFF, 0xFF, 0 }, /* C4 DAI2 biquad */
545        { 0xFF, 0xFF, 0 }, /* C5 DAI2 biquad */
546        { 0xFF, 0xFF, 0 }, /* C6 DAI2 biquad */
547        { 0xFF, 0xFF, 0 }, /* C7 DAI2 biquad */
548        { 0xFF, 0xFF, 0 }, /* C8 DAI2 biquad */
549        { 0xFF, 0xFF, 0 }, /* C9 DAI2 biquad */
550        { 0x00, 0x00, 0 }, /* CA */
551        { 0x00, 0x00, 0 }, /* CB */
552        { 0x00, 0x00, 0 }, /* CC */
553        { 0x00, 0x00, 0 }, /* CD */
554        { 0x00, 0x00, 0 }, /* CE */
555        { 0x00, 0x00, 0 }, /* CF */
556 
557        { 0x00, 0x00, 0 }, /* D0 */
558        { 0x00, 0x00, 0 }, /* D1 */
559        { 0x00, 0x00, 0 }, /* D2 */
560        { 0x00, 0x00, 0 }, /* D3 */
561        { 0x00, 0x00, 0 }, /* D4 */
562        { 0x00, 0x00, 0 }, /* D5 */
563        { 0x00, 0x00, 0 }, /* D6 */
564        { 0x00, 0x00, 0 }, /* D7 */
565        { 0x00, 0x00, 0 }, /* D8 */
566        { 0x00, 0x00, 0 }, /* D9 */
567        { 0x00, 0x00, 0 }, /* DA */
568        { 0x00, 0x00, 0 }, /* DB */
569        { 0x00, 0x00, 0 }, /* DC */
570        { 0x00, 0x00, 0 }, /* DD */
571        { 0x00, 0x00, 0 }, /* DE */
572        { 0x00, 0x00, 0 }, /* DF */
573 
574        { 0x00, 0x00, 0 }, /* E0 */
575        { 0x00, 0x00, 0 }, /* E1 */
576        { 0x00, 0x00, 0 }, /* E2 */
577        { 0x00, 0x00, 0 }, /* E3 */
578        { 0x00, 0x00, 0 }, /* E4 */
579        { 0x00, 0x00, 0 }, /* E5 */
580        { 0x00, 0x00, 0 }, /* E6 */
581        { 0x00, 0x00, 0 }, /* E7 */
582        { 0x00, 0x00, 0 }, /* E8 */
583        { 0x00, 0x00, 0 }, /* E9 */
584        { 0x00, 0x00, 0 }, /* EA */
585        { 0x00, 0x00, 0 }, /* EB */
586        { 0x00, 0x00, 0 }, /* EC */
587        { 0x00, 0x00, 0 }, /* ED */
588        { 0x00, 0x00, 0 }, /* EE */
589        { 0x00, 0x00, 0 }, /* EF */
590 
591        { 0x00, 0x00, 0 }, /* F0 */
592        { 0x00, 0x00, 0 }, /* F1 */
593        { 0x00, 0x00, 0 }, /* F2 */
594        { 0x00, 0x00, 0 }, /* F3 */
595        { 0x00, 0x00, 0 }, /* F4 */
596        { 0x00, 0x00, 0 }, /* F5 */
597        { 0x00, 0x00, 0 }, /* F6 */
598        { 0x00, 0x00, 0 }, /* F7 */
599        { 0x00, 0x00, 0 }, /* F8 */
600        { 0x00, 0x00, 0 }, /* F9 */
601        { 0x00, 0x00, 0 }, /* FA */
602        { 0x00, 0x00, 0 }, /* FB */
603        { 0x00, 0x00, 0 }, /* FC */
604        { 0x00, 0x00, 0 }, /* FD */
605        { 0x00, 0x00, 0 }, /* FE */
606        { 0xFF, 0x00, 1 }, /* FF */
607 };
608 
609 static int max98088_volatile_register(struct snd_soc_codec *codec, unsigned int reg)
610 {
611        return max98088_access[reg].vol;
612 }
613 
614 
615 /*
616  * Load equalizer DSP coefficient configurations registers
617  */
618 static void m98088_eq_band(struct snd_soc_codec *codec, unsigned int dai,
619                    unsigned int band, u16 *coefs)
620 {
621        unsigned int eq_reg;
622        unsigned int i;
623 
624        BUG_ON(band > 4);
625        BUG_ON(dai > 1);
626 
627        /* Load the base register address */
628        eq_reg = dai ? M98088_REG_84_DAI2_EQ_BASE : M98088_REG_52_DAI1_EQ_BASE;
629 
630        /* Add the band address offset, note adjustment for word address */
631        eq_reg += band * (M98088_COEFS_PER_BAND << 1);
632 
633        /* Step through the registers and coefs */
634        for (i = 0; i < M98088_COEFS_PER_BAND; i++) {
635                snd_soc_write(codec, eq_reg++, M98088_BYTE1(coefs[i]));
636                snd_soc_write(codec, eq_reg++, M98088_BYTE0(coefs[i]));
637        }
638 }
639 
640 /*
641  * Excursion limiter modes
642  */
643 static const char *max98088_exmode_texts[] = {
644        "Off", "100Hz", "400Hz", "600Hz", "800Hz", "1000Hz", "200-400Hz",
645        "400-600Hz", "400-800Hz",
646 };
647 
648 static const unsigned int max98088_exmode_values[] = {
649        0x00, 0x43, 0x10, 0x20, 0x30, 0x40, 0x11, 0x22, 0x32
650 };
651 
652 static const struct soc_enum max98088_exmode_enum =
653        SOC_VALUE_ENUM_SINGLE(M98088_REG_41_SPKDHP, 0, 127,
654                              ARRAY_SIZE(max98088_exmode_texts),
655                              max98088_exmode_texts,
656                              max98088_exmode_values);
657 
658 static const char *max98088_ex_thresh[] = { /* volts PP */
659        "0.6", "1.2", "1.8", "2.4", "3.0", "3.6", "4.2", "4.8"};
660 static const struct soc_enum max98088_ex_thresh_enum[] = {
661        SOC_ENUM_SINGLE(M98088_REG_42_SPKDHP_THRESH, 0, 8,
662                max98088_ex_thresh),
663 };
664 
665 static const char *max98088_fltr_mode[] = {"Voice", "Music" };
666 static const struct soc_enum max98088_filter_mode_enum[] = {
667        SOC_ENUM_SINGLE(M98088_REG_18_DAI1_FILTERS, 7, 2, max98088_fltr_mode),
668 };
669 
670 static const char *max98088_extmic_text[] = { "None", "MIC1", "MIC2" };
671 
672 static const struct soc_enum max98088_extmic_enum =
673        SOC_ENUM_SINGLE(M98088_REG_48_CFG_MIC, 0, 3, max98088_extmic_text);
674 
675 static const struct snd_kcontrol_new max98088_extmic_mux =
676        SOC_DAPM_ENUM("External MIC Mux", max98088_extmic_enum);
677 
678 static const char *max98088_dai1_fltr[] = {
679        "Off", "fc=258/fs=16k", "fc=500/fs=16k",
680        "fc=258/fs=8k", "fc=500/fs=8k", "fc=200"};
681 static const struct soc_enum max98088_dai1_dac_filter_enum[] = {
682        SOC_ENUM_SINGLE(M98088_REG_18_DAI1_FILTERS, 0, 6, max98088_dai1_fltr),
683 };
684 static const struct soc_enum max98088_dai1_adc_filter_enum[] = {
685        SOC_ENUM_SINGLE(M98088_REG_18_DAI1_FILTERS, 4, 6, max98088_dai1_fltr),
686 };
687 
688 static int max98088_mic1pre_set(struct snd_kcontrol *kcontrol,
689                                struct snd_ctl_elem_value *ucontrol)
690 {
691        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
692        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
693        unsigned int sel = ucontrol->value.integer.value[0];
694 
695        max98088->mic1pre = sel;
696        snd_soc_update_bits(codec, M98088_REG_35_LVL_MIC1, M98088_MICPRE_MASK,
697                (1+sel)<<M98088_MICPRE_SHIFT);
698 
699        return 0;
700 }
701 
702 static int max98088_mic1pre_get(struct snd_kcontrol *kcontrol,
703                                struct snd_ctl_elem_value *ucontrol)
704 {
705        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
706        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
707 
708        ucontrol->value.integer.value[0] = max98088->mic1pre;
709        return 0;
710 }
711 
712 static int max98088_mic2pre_set(struct snd_kcontrol *kcontrol,
713                                struct snd_ctl_elem_value *ucontrol)
714 {
715        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
716        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
717        unsigned int sel = ucontrol->value.integer.value[0];
718 
719        max98088->mic2pre = sel;
720        snd_soc_update_bits(codec, M98088_REG_36_LVL_MIC2, M98088_MICPRE_MASK,
721                (1+sel)<<M98088_MICPRE_SHIFT);
722 
723        return 0;
724 }
725 
726 static int max98088_mic2pre_get(struct snd_kcontrol *kcontrol,
727                                struct snd_ctl_elem_value *ucontrol)
728 {
729        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
730        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
731 
732        ucontrol->value.integer.value[0] = max98088->mic2pre;
733        return 0;
734 }
735 
736 static const unsigned int max98088_micboost_tlv[] = {
737        TLV_DB_RANGE_HEAD(2),
738        0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
739        2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
740 };
741 
742 static const struct snd_kcontrol_new max98088_snd_controls[] = {
743 
744        SOC_DOUBLE_R("Headphone Volume", M98088_REG_39_LVL_HP_L,
745                M98088_REG_3A_LVL_HP_R, 0, 31, 0),
746        SOC_DOUBLE_R("Speaker Volume", M98088_REG_3D_LVL_SPK_L,
747                M98088_REG_3E_LVL_SPK_R, 0, 31, 0),
748        SOC_DOUBLE_R("Receiver Volume", M98088_REG_3B_LVL_REC_L,
749                M98088_REG_3C_LVL_REC_R, 0, 31, 0),
750 
751        SOC_DOUBLE_R("Headphone Switch", M98088_REG_39_LVL_HP_L,
752                M98088_REG_3A_LVL_HP_R, 7, 1, 1),
753        SOC_DOUBLE_R("Speaker Switch", M98088_REG_3D_LVL_SPK_L,
754                M98088_REG_3E_LVL_SPK_R, 7, 1, 1),
755        SOC_DOUBLE_R("Receiver Switch", M98088_REG_3B_LVL_REC_L,
756                M98088_REG_3C_LVL_REC_R, 7, 1, 1),
757 
758        SOC_SINGLE("MIC1 Volume", M98088_REG_35_LVL_MIC1, 0, 31, 1),
759        SOC_SINGLE("MIC2 Volume", M98088_REG_36_LVL_MIC2, 0, 31, 1),
760 
761        SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
762                        M98088_REG_35_LVL_MIC1, 5, 2, 0,
763                        max98088_mic1pre_get, max98088_mic1pre_set,
764                        max98088_micboost_tlv),
765        SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
766                        M98088_REG_36_LVL_MIC2, 5, 2, 0,
767                        max98088_mic2pre_get, max98088_mic2pre_set,
768                        max98088_micboost_tlv),
769 
770        SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1),
771        SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1),
772 
773        SOC_SINGLE("ADCL Volume", M98088_REG_33_LVL_ADC_L, 0, 15, 0),
774        SOC_SINGLE("ADCR Volume", M98088_REG_34_LVL_ADC_R, 0, 15, 0),
775 
776        SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0),
777        SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0),
778 
779        SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0),
780        SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0),
781 
782        SOC_ENUM("EX Limiter Mode", max98088_exmode_enum),
783        SOC_ENUM("EX Limiter Threshold", max98088_ex_thresh_enum),
784 
785        SOC_ENUM("DAI1 Filter Mode", max98088_filter_mode_enum),
786        SOC_ENUM("DAI1 DAC Filter", max98088_dai1_dac_filter_enum),
787        SOC_ENUM("DAI1 ADC Filter", max98088_dai1_adc_filter_enum),
788        SOC_SINGLE("DAI2 DC Block Switch", M98088_REG_20_DAI2_FILTERS,
789                0, 1, 0),
790 
791        SOC_SINGLE("ALC Switch", M98088_REG_43_SPKALC_COMP, 7, 1, 0),
792        SOC_SINGLE("ALC Threshold", M98088_REG_43_SPKALC_COMP, 0, 7, 0),
793        SOC_SINGLE("ALC Multiband", M98088_REG_43_SPKALC_COMP, 3, 1, 0),
794        SOC_SINGLE("ALC Release Time", M98088_REG_43_SPKALC_COMP, 4, 7, 0),
795 
796        SOC_SINGLE("PWR Limiter Threshold", M98088_REG_44_PWRLMT_CFG,
797                4, 15, 0),
798        SOC_SINGLE("PWR Limiter Weight", M98088_REG_44_PWRLMT_CFG, 0, 7, 0),
799        SOC_SINGLE("PWR Limiter Time1", M98088_REG_45_PWRLMT_TIME, 0, 15, 0),
800        SOC_SINGLE("PWR Limiter Time2", M98088_REG_45_PWRLMT_TIME, 4, 15, 0),
801 
802        SOC_SINGLE("THD Limiter Threshold", M98088_REG_46_THDLMT_CFG, 4, 15, 0),
803        SOC_SINGLE("THD Limiter Time", M98088_REG_46_THDLMT_CFG, 0, 7, 0),
804 };
805 
806 /* Left speaker mixer switch */
807 static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = {
808        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
809        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
810        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
811        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
812        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 5, 1, 0),
813        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 6, 1, 0),
814        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 1, 1, 0),
815        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 2, 1, 0),
816        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 3, 1, 0),
817        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 4, 1, 0),
818 };
819 
820 /* Right speaker mixer switch */
821 static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = {
822        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
823        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
824        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
825        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
826        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 5, 1, 0),
827        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 6, 1, 0),
828        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 1, 1, 0),
829        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 2, 1, 0),
830        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 3, 1, 0),
831        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 4, 1, 0),
832 };
833 
834 /* Left headphone mixer switch */
835 static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = {
836        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
837        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
838        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
839        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
840        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_25_MIX_HP_LEFT, 5, 1, 0),
841        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_25_MIX_HP_LEFT, 6, 1, 0),
842        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_25_MIX_HP_LEFT, 1, 1, 0),
843        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_25_MIX_HP_LEFT, 2, 1, 0),
844        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_25_MIX_HP_LEFT, 3, 1, 0),
845        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_25_MIX_HP_LEFT, 4, 1, 0),
846 };
847 
848 /* Right headphone mixer switch */
849 static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = {
850        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
851        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
852        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
853        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
854        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 5, 1, 0),
855        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 6, 1, 0),
856        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_26_MIX_HP_RIGHT, 1, 1, 0),
857        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_26_MIX_HP_RIGHT, 2, 1, 0),
858        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_26_MIX_HP_RIGHT, 3, 1, 0),
859        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_26_MIX_HP_RIGHT, 4, 1, 0),
860 };
861 
862 /* Left earpiece/receiver mixer switch */
863 static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = {
864        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
865        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
866        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
867        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
868        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_28_MIX_REC_LEFT, 5, 1, 0),
869        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_28_MIX_REC_LEFT, 6, 1, 0),
870        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_28_MIX_REC_LEFT, 1, 1, 0),
871        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_28_MIX_REC_LEFT, 2, 1, 0),
872        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_28_MIX_REC_LEFT, 3, 1, 0),
873        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_28_MIX_REC_LEFT, 4, 1, 0),
874 };
875 
876 /* Right earpiece/receiver mixer switch */
877 static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = {
878        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
879        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
880        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
881        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
882        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 5, 1, 0),
883        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 6, 1, 0),
884        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_29_MIX_REC_RIGHT, 1, 1, 0),
885        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_29_MIX_REC_RIGHT, 2, 1, 0),
886        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_29_MIX_REC_RIGHT, 3, 1, 0),
887        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_29_MIX_REC_RIGHT, 4, 1, 0),
888 };
889 
890 /* Left ADC mixer switch */
891 static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = {
892        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_23_MIX_ADC_LEFT, 7, 1, 0),
893        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_23_MIX_ADC_LEFT, 6, 1, 0),
894        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_23_MIX_ADC_LEFT, 3, 1, 0),
895        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_23_MIX_ADC_LEFT, 2, 1, 0),
896        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_23_MIX_ADC_LEFT, 1, 1, 0),
897        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_23_MIX_ADC_LEFT, 0, 1, 0),
898 };
899 
900 /* Right ADC mixer switch */
901 static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = {
902        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 7, 1, 0),
903        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 6, 1, 0),
904        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 3, 1, 0),
905        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 2, 1, 0),
906        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 1, 1, 0),
907        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 0, 1, 0),
908 };
909 
910 static int max98088_mic_event(struct snd_soc_dapm_widget *w,
911                             struct snd_kcontrol *kcontrol, int event)
912 {
913        struct snd_soc_codec *codec = w->codec;
914        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
915 
916        switch (event) {
917        case SND_SOC_DAPM_POST_PMU:
918                if (w->reg == M98088_REG_35_LVL_MIC1) {
919                        snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK,
920                                (1+max98088->mic1pre)<<M98088_MICPRE_SHIFT);
921                } else {
922                        snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK,
923                                (1+max98088->mic2pre)<<M98088_MICPRE_SHIFT);
924                }
925                break;
926        case SND_SOC_DAPM_POST_PMD:
927                snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK, 0);
928                break;
929        default:
930                return -EINVAL;
931        }
932 
933        return 0;
934 }
935 
936 /*
937  * The line inputs are 2-channel stereo inputs with the left
938  * and right channels sharing a common PGA power control signal.
939  */
940 static int max98088_line_pga(struct snd_soc_dapm_widget *w,
941                             int event, int line, u8 channel)
942 {
943        struct snd_soc_codec *codec = w->codec;
944        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
945        u8 *state;
946 
947        BUG_ON(!((channel == 1) || (channel == 2)));
948 
949        switch (line) {
950        case LINE_INA:
951                state = &max98088->ina_state;
952                break;
953        case LINE_INB:
954                state = &max98088->inb_state;
955                break;
956        default:
957                return -EINVAL;
958        }
959 
960        switch (event) {
961        case SND_SOC_DAPM_POST_PMU:
962                *state |= channel;
963                snd_soc_update_bits(codec, w->reg,
964                        (1 << w->shift), (1 << w->shift));
965                break;
966        case SND_SOC_DAPM_POST_PMD:
967                *state &= ~channel;
968                if (*state == 0) {
969                        snd_soc_update_bits(codec, w->reg,
970                                (1 << w->shift), 0);
971                }
972                break;
973        default:
974                return -EINVAL;
975        }
976 
977        return 0;
978 }
979 
980 static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w,
981                                   struct snd_kcontrol *k, int event)
982 {
983        return max98088_line_pga(w, event, LINE_INA, 1);
984 }
985 
986 static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w,
987                                   struct snd_kcontrol *k, int event)
988 {
989        return max98088_line_pga(w, event, LINE_INA, 2);
990 }
991 
992 static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w,
993                                   struct snd_kcontrol *k, int event)
994 {
995        return max98088_line_pga(w, event, LINE_INB, 1);
996 }
997 
998 static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w,
999                                   struct snd_kcontrol *k, int event)
1000 {
1001        return max98088_line_pga(w, event, LINE_INB, 2);
1002 }
1003 
1004 static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = {
1005 
1006        SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 1, 0),
1007        SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 0, 0),
1008 
1009        SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
1010                M98088_REG_4D_PWR_EN_OUT, 1, 0),
1011        SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
1012                M98088_REG_4D_PWR_EN_OUT, 0, 0),
1013        SND_SOC_DAPM_DAC("DACL2", "Aux Playback",
1014                M98088_REG_4D_PWR_EN_OUT, 1, 0),
1015        SND_SOC_DAPM_DAC("DACR2", "Aux Playback",
1016                M98088_REG_4D_PWR_EN_OUT, 0, 0),
1017 
1018        SND_SOC_DAPM_PGA("HP Left Out", M98088_REG_4D_PWR_EN_OUT,
1019                7, 0, NULL, 0),
1020        SND_SOC_DAPM_PGA("HP Right Out", M98088_REG_4D_PWR_EN_OUT,
1021                6, 0, NULL, 0),
1022 
1023        SND_SOC_DAPM_PGA("SPK Left Out", M98088_REG_4D_PWR_EN_OUT,
1024                5, 0, NULL, 0),
1025        SND_SOC_DAPM_PGA("SPK Right Out", M98088_REG_4D_PWR_EN_OUT,
1026                4, 0, NULL, 0),
1027 
1028        SND_SOC_DAPM_PGA("REC Left Out", M98088_REG_4D_PWR_EN_OUT,
1029                3, 0, NULL, 0),
1030        SND_SOC_DAPM_PGA("REC Right Out", M98088_REG_4D_PWR_EN_OUT,
1031                2, 0, NULL, 0),
1032 
1033        SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
1034                &max98088_extmic_mux),
1035 
1036        SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0,
1037                &max98088_left_hp_mixer_controls[0],
1038                ARRAY_SIZE(max98088_left_hp_mixer_controls)),
1039 
1040        SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0,
1041                &max98088_right_hp_mixer_controls[0],
1042                ARRAY_SIZE(max98088_right_hp_mixer_controls)),
1043 
1044        SND_SOC_DAPM_MIXER("Left SPK Mixer", SND_SOC_NOPM, 0, 0,
1045                &max98088_left_speaker_mixer_controls[0],
1046                ARRAY_SIZE(max98088_left_speaker_mixer_controls)),
1047 
1048        SND_SOC_DAPM_MIXER("Right SPK Mixer", SND_SOC_NOPM, 0, 0,
1049                &max98088_right_speaker_mixer_controls[0],
1050                ARRAY_SIZE(max98088_right_speaker_mixer_controls)),
1051 
1052        SND_SOC_DAPM_MIXER("Left REC Mixer", SND_SOC_NOPM, 0, 0,
1053          &max98088_left_rec_mixer_controls[0],
1054                ARRAY_SIZE(max98088_left_rec_mixer_controls)),
1055 
1056        SND_SOC_DAPM_MIXER("Right REC Mixer", SND_SOC_NOPM, 0, 0,
1057          &max98088_right_rec_mixer_controls[0],
1058                ARRAY_SIZE(max98088_right_rec_mixer_controls)),
1059 
1060        SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1061                &max98088_left_ADC_mixer_controls[0],
1062                ARRAY_SIZE(max98088_left_ADC_mixer_controls)),
1063 
1064        SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1065                &max98088_right_ADC_mixer_controls[0],
1066                ARRAY_SIZE(max98088_right_ADC_mixer_controls)),
1067 
1068        SND_SOC_DAPM_PGA_E("MIC1 Input", M98088_REG_35_LVL_MIC1,
1069                5, 0, NULL, 0, max98088_mic_event,
1070                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1071 
1072        SND_SOC_DAPM_PGA_E("MIC2 Input", M98088_REG_36_LVL_MIC2,
1073                5, 0, NULL, 0, max98088_mic_event,
1074                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1075 
1076        SND_SOC_DAPM_PGA_E("INA1 Input", M98088_REG_4C_PWR_EN_IN,
1077                7, 0, NULL, 0, max98088_pga_ina1_event,
1078                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1079 
1080        SND_SOC_DAPM_PGA_E("INA2 Input", M98088_REG_4C_PWR_EN_IN,
1081                7, 0, NULL, 0, max98088_pga_ina2_event,
1082                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1083 
1084        SND_SOC_DAPM_PGA_E("INB1 Input", M98088_REG_4C_PWR_EN_IN,
1085                6, 0, NULL, 0, max98088_pga_inb1_event,
1086                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1087 
1088        SND_SOC_DAPM_PGA_E("INB2 Input", M98088_REG_4C_PWR_EN_IN,
1089                6, 0, NULL, 0, max98088_pga_inb2_event,
1090                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1091 
1092        SND_SOC_DAPM_MICBIAS("MICBIAS", M98088_REG_4C_PWR_EN_IN, 3, 0),
1093 
1094        SND_SOC_DAPM_OUTPUT("HPL"),
1095        SND_SOC_DAPM_OUTPUT("HPR"),
1096        SND_SOC_DAPM_OUTPUT("SPKL"),
1097        SND_SOC_DAPM_OUTPUT("SPKR"),
1098        SND_SOC_DAPM_OUTPUT("RECL"),
1099        SND_SOC_DAPM_OUTPUT("RECR"),
1100 
1101        SND_SOC_DAPM_INPUT("MIC1"),
1102        SND_SOC_DAPM_INPUT("MIC2"),
1103        SND_SOC_DAPM_INPUT("INA1"),
1104        SND_SOC_DAPM_INPUT("INA2"),
1105        SND_SOC_DAPM_INPUT("INB1"),
1106        SND_SOC_DAPM_INPUT("INB2"),
1107 };
1108 
1109 static const struct snd_soc_dapm_route max98088_audio_map[] = {
1110        /* Left headphone output mixer */
1111        {"Left HP Mixer", "Left DAC1 Switch", "DACL1"},
1112        {"Left HP Mixer", "Left DAC2 Switch", "DACL2"},
1113        {"Left HP Mixer", "Right DAC1 Switch", "DACR1"},
1114        {"Left HP Mixer", "Right DAC2 Switch", "DACR2"},
1115        {"Left HP Mixer", "MIC1 Switch", "MIC1 Input"},
1116        {"Left HP Mixer", "MIC2 Switch", "MIC2 Input"},
1117        {"Left HP Mixer", "INA1 Switch", "INA1 Input"},
1118        {"Left HP Mixer", "INA2 Switch", "INA2 Input"},
1119        {"Left HP Mixer", "INB1 Switch", "INB1 Input"},
1120        {"Left HP Mixer", "INB2 Switch", "INB2 Input"},
1121 
1122        /* Right headphone output mixer */
1123        {"Right HP Mixer", "Left DAC1 Switch", "DACL1"},
1124        {"Right HP Mixer", "Left DAC2 Switch", "DACL2"  },
1125        {"Right HP Mixer", "Right DAC1 Switch", "DACR1"},
1126        {"Right HP Mixer", "Right DAC2 Switch", "DACR2"},
1127        {"Right HP Mixer", "MIC1 Switch", "MIC1 Input"},
1128        {"Right HP Mixer", "MIC2 Switch", "MIC2 Input"},
1129        {"Right HP Mixer", "INA1 Switch", "INA1 Input"},
1130        {"Right HP Mixer", "INA2 Switch", "INA2 Input"},
1131        {"Right HP Mixer", "INB1 Switch", "INB1 Input"},
1132        {"Right HP Mixer", "INB2 Switch", "INB2 Input"},
1133 
1134        /* Left speaker output mixer */
1135        {"Left SPK Mixer", "Left DAC1 Switch", "DACL1"},
1136        {"Left SPK Mixer", "Left DAC2 Switch", "DACL2"},
1137        {"Left SPK Mixer", "Right DAC1 Switch", "DACR1"},
1138        {"Left SPK Mixer", "Right DAC2 Switch", "DACR2"},
1139        {"Left SPK Mixer", "MIC1 Switch", "MIC1 Input"},
1140        {"Left SPK Mixer", "MIC2 Switch", "MIC2 Input"},
1141        {"Left SPK Mixer", "INA1 Switch", "INA1 Input"},
1142        {"Left SPK Mixer", "INA2 Switch", "INA2 Input"},
1143        {"Left SPK Mixer", "INB1 Switch", "INB1 Input"},
1144        {"Left SPK Mixer", "INB2 Switch", "INB2 Input"},
1145 
1146        /* Right speaker output mixer */
1147        {"Right SPK Mixer", "Left DAC1 Switch", "DACL1"},
1148        {"Right SPK Mixer", "Left DAC2 Switch", "DACL2"},
1149        {"Right SPK Mixer", "Right DAC1 Switch", "DACR1"},
1150        {"Right SPK Mixer", "Right DAC2 Switch", "DACR2"},
1151        {"Right SPK Mixer", "MIC1 Switch", "MIC1 Input"},
1152        {"Right SPK Mixer", "MIC2 Switch", "MIC2 Input"},
1153        {"Right SPK Mixer", "INA1 Switch", "INA1 Input"},
1154        {"Right SPK Mixer", "INA2 Switch", "INA2 Input"},
1155        {"Right SPK Mixer", "INB1 Switch", "INB1 Input"},
1156        {"Right SPK Mixer", "INB2 Switch", "INB2 Input"},
1157 
1158        /* Earpiece/Receiver output mixer */
1159        {"Left REC Mixer", "Left DAC1 Switch", "DACL1"},
1160        {"Left REC Mixer", "Left DAC2 Switch", "DACL2"},
1161        {"Left REC Mixer", "Right DAC1 Switch", "DACR1"},
1162        {"Left REC Mixer", "Right DAC2 Switch", "DACR2"},
1163        {"Left REC Mixer", "MIC1 Switch", "MIC1 Input"},
1164        {"Left REC Mixer", "MIC2 Switch", "MIC2 Input"},
1165        {"Left REC Mixer", "INA1 Switch", "INA1 Input"},
1166        {"Left REC Mixer", "INA2 Switch", "INA2 Input"},
1167        {"Left REC Mixer", "INB1 Switch", "INB1 Input"},
1168        {"Left REC Mixer", "INB2 Switch", "INB2 Input"},
1169 
1170        /* Earpiece/Receiver output mixer */
1171        {"Right REC Mixer", "Left DAC1 Switch", "DACL1"},
1172        {"Right REC Mixer", "Left DAC2 Switch", "DACL2"},
1173        {"Right REC Mixer", "Right DAC1 Switch", "DACR1"},
1174        {"Right REC Mixer", "Right DAC2 Switch", "DACR2"},
1175        {"Right REC Mixer", "MIC1 Switch", "MIC1 Input"},
1176        {"Right REC Mixer", "MIC2 Switch", "MIC2 Input"},
1177        {"Right REC Mixer", "INA1 Switch", "INA1 Input"},
1178        {"Right REC Mixer", "INA2 Switch", "INA2 Input"},
1179        {"Right REC Mixer", "INB1 Switch", "INB1 Input"},
1180        {"Right REC Mixer", "INB2 Switch", "INB2 Input"},
1181 
1182        {"HP Left Out", NULL, "Left HP Mixer"},
1183        {"HP Right Out", NULL, "Right HP Mixer"},
1184        {"SPK Left Out", NULL, "Left SPK Mixer"},
1185        {"SPK Right Out", NULL, "Right SPK Mixer"},
1186        {"REC Left Out", NULL, "Left REC Mixer"},
1187        {"REC Right Out", NULL, "Right REC Mixer"},
1188 
1189        {"HPL", NULL, "HP Left Out"},
1190        {"HPR", NULL, "HP Right Out"},
1191        {"SPKL", NULL, "SPK Left Out"},
1192        {"SPKR", NULL, "SPK Right Out"},
1193        {"RECL", NULL, "REC Left Out"},
1194        {"RECR", NULL, "REC Right Out"},
1195 
1196        /* Left ADC input mixer */
1197        {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1198        {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1199        {"Left ADC Mixer", "INA1 Switch", "INA1 Input"},
1200        {"Left ADC Mixer", "INA2 Switch", "INA2 Input"},
1201        {"Left ADC Mixer", "INB1 Switch", "INB1 Input"},
1202        {"Left ADC Mixer", "INB2 Switch", "INB2 Input"},
1203 
1204        /* Right ADC input mixer */
1205        {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1206        {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1207        {"Right ADC Mixer", "INA1 Switch", "INA1 Input"},
1208        {"Right ADC Mixer", "INA2 Switch", "INA2 Input"},
1209        {"Right ADC Mixer", "INB1 Switch", "INB1 Input"},
1210        {"Right ADC Mixer", "INB2 Switch", "INB2 Input"},
1211 
1212        /* Inputs */
1213        {"ADCL", NULL, "Left ADC Mixer"},
1214        {"ADCR", NULL, "Right ADC Mixer"},
1215        {"INA1 Input", NULL, "INA1"},
1216        {"INA2 Input", NULL, "INA2"},
1217        {"INB1 Input", NULL, "INB1"},
1218        {"INB2 Input", NULL, "INB2"},
1219        {"MIC1 Input", NULL, "MIC1"},
1220        {"MIC2 Input", NULL, "MIC2"},
1221 };
1222 
1223 /* codec mclk clock divider coefficients */
1224 static const struct {
1225        u32 rate;
1226        u8  sr;
1227 } rate_table[] = {
1228        {8000,  0x10},
1229        {11025, 0x20},
1230        {16000, 0x30},
1231        {22050, 0x40},
1232        {24000, 0x50},
1233        {32000, 0x60},
1234        {44100, 0x70},
1235        {48000, 0x80},
1236        {88200, 0x90},
1237        {96000, 0xA0},
1238 };
1239 
1240 static inline int rate_value(int rate, u8 *value)
1241 {
1242        int i;
1243 
1244        for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
1245                if (rate_table[i].rate >= rate) {
1246                        *value = rate_table[i].sr;
1247                        return 0;
1248                }
1249        }
1250        *value = rate_table[0].sr;
1251        return -EINVAL;
1252 }
1253 
1254 static int max98088_dai1_hw_params(struct snd_pcm_substream *substream,
1255                                   struct snd_pcm_hw_params *params,
1256                                   struct snd_soc_dai *dai)
1257 {
1258        struct snd_soc_codec *codec = dai->codec;
1259        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1260        struct max98088_cdata *cdata;
1261        unsigned long long ni;
1262        unsigned int rate;
1263        u8 regval;
1264 
1265        cdata = &max98088->dai[0];
1266 
1267        rate = params_rate(params);
1268 
1269        switch (params_format(params)) {
1270        case SNDRV_PCM_FORMAT_S16_LE:
1271                snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1272                        M98088_DAI_WS, 0);
1273                break;
1274        case SNDRV_PCM_FORMAT_S24_LE:
1275                snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1276                        M98088_DAI_WS, M98088_DAI_WS);
1277                break;
1278        default:
1279                return -EINVAL;
1280        }
1281 
1282        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1283 
1284        if (rate_value(rate, &regval))
1285                return -EINVAL;
1286 
1287        snd_soc_update_bits(codec, M98088_REG_11_DAI1_CLKMODE,
1288                M98088_CLKMODE_MASK, regval);
1289        cdata->rate = rate;
1290 
1291        /* Configure NI when operating as master */
1292        if (snd_soc_read(codec, M98088_REG_14_DAI1_FORMAT)
1293                & M98088_DAI_MAS) {
1294                if (max98088->sysclk == 0) {
1295                        dev_err(codec->dev, "Invalid system clock frequency\n");
1296                        return -EINVAL;
1297                }
1298                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1299                                * (unsigned long long int)rate;
1300                do_div(ni, (unsigned long long int)max98088->sysclk);
1301                snd_soc_write(codec, M98088_REG_12_DAI1_CLKCFG_HI,
1302                        (ni >> 8) & 0x7F);
1303                snd_soc_write(codec, M98088_REG_13_DAI1_CLKCFG_LO,
1304                        ni & 0xFF);
1305        }
1306 
1307        /* Update sample rate mode */
1308        if (rate < 50000)
1309                snd_soc_update_bits(codec, M98088_REG_18_DAI1_FILTERS,
1310                        M98088_DAI_DHF, 0);
1311        else
1312                snd_soc_update_bits(codec, M98088_REG_18_DAI1_FILTERS,
1313                        M98088_DAI_DHF, M98088_DAI_DHF);
1314 
1315        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1316                M98088_SHDNRUN);
1317 
1318        return 0;
1319 }
1320 
1321 static int max98088_dai2_hw_params(struct snd_pcm_substream *substream,
1322                                   struct snd_pcm_hw_params *params,
1323                                   struct snd_soc_dai *dai)
1324 {
1325        struct snd_soc_codec *codec = dai->codec;
1326        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1327        struct max98088_cdata *cdata;
1328        unsigned long long ni;
1329        unsigned int rate;
1330        u8 regval;
1331 
1332        cdata = &max98088->dai[1];
1333 
1334        rate = params_rate(params);
1335 
1336        switch (params_format(params)) {
1337        case SNDRV_PCM_FORMAT_S16_LE:
1338                snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1339                        M98088_DAI_WS, 0);
1340                break;
1341        case SNDRV_PCM_FORMAT_S24_LE:
1342                snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1343                        M98088_DAI_WS, M98088_DAI_WS);
1344                break;
1345        default:
1346                return -EINVAL;
1347        }
1348 
1349        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1350 
1351        if (rate_value(rate, &regval))
1352                return -EINVAL;
1353 
1354        snd_soc_update_bits(codec, M98088_REG_19_DAI2_CLKMODE,
1355                M98088_CLKMODE_MASK, regval);
1356        cdata->rate = rate;
1357 
1358        /* Configure NI when operating as master */
1359        if (snd_soc_read(codec, M98088_REG_1C_DAI2_FORMAT)
1360                & M98088_DAI_MAS) {
1361                if (max98088->sysclk == 0) {
1362                        dev_err(codec->dev, "Invalid system clock frequency\n");
1363                        return -EINVAL;
1364                }
1365                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1366                                * (unsigned long long int)rate;
1367                do_div(ni, (unsigned long long int)max98088->sysclk);
1368                snd_soc_write(codec, M98088_REG_1A_DAI2_CLKCFG_HI,
1369                        (ni >> 8) & 0x7F);
1370                snd_soc_write(codec, M98088_REG_1B_DAI2_CLKCFG_LO,
1371                        ni & 0xFF);
1372        }
1373 
1374        /* Update sample rate mode */
1375        if (rate < 50000)
1376                snd_soc_update_bits(codec, M98088_REG_20_DAI2_FILTERS,
1377                        M98088_DAI_DHF, 0);
1378        else
1379                snd_soc_update_bits(codec, M98088_REG_20_DAI2_FILTERS,
1380                        M98088_DAI_DHF, M98088_DAI_DHF);
1381 
1382        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1383                M98088_SHDNRUN);
1384 
1385        return 0;
1386 }
1387 
1388 static int max98088_dai_set_sysclk(struct snd_soc_dai *dai,
1389                                   int clk_id, unsigned int freq, int dir)
1390 {
1391        struct snd_soc_codec *codec = dai->codec;
1392        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1393 
1394        /* Requested clock frequency is already setup */
1395        if (freq == max98088->sysclk)
1396                return 0;
1397 
1398        /* Setup clocks for slave mode, and using the PLL
1399         * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1400         *         0x02 (when master clk is 20MHz to 30MHz)..
1401         */
1402        if ((freq >= 10000000) && (freq < 20000000)) {
1403                snd_soc_write(codec, M98088_REG_10_SYS_CLK, 0x10);
1404        } else if ((freq >= 20000000) && (freq < 30000000)) {
1405                snd_soc_write(codec, M98088_REG_10_SYS_CLK, 0x20);
1406        } else {
1407                dev_err(codec->dev, "Invalid master clock frequency\n");
1408                return -EINVAL;
1409        }
1410 
1411        if (snd_soc_read(codec, M98088_REG_51_PWR_SYS)  & M98088_SHDNRUN) {
1412                snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS,
1413                        M98088_SHDNRUN, 0);
1414                snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS,
1415                        M98088_SHDNRUN, M98088_SHDNRUN);
1416        }
1417 
1418        dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1419 
1420        max98088->sysclk = freq;
1421        return 0;
1422 }
1423 
1424 static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1425                                 unsigned int fmt)
1426 {
1427        struct snd_soc_codec *codec = codec_dai->codec;
1428        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1429        struct max98088_cdata *cdata;
1430        u8 reg15val;
1431        u8 reg14val = 0;
1432 
1433        cdata = &max98088->dai[0];
1434 
1435        if (fmt != cdata->fmt) {
1436                cdata->fmt = fmt;
1437 
1438                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1439                case SND_SOC_DAIFMT_CBS_CFS:
1440                        /* Slave mode PLL */
1441                        snd_soc_write(codec, M98088_REG_12_DAI1_CLKCFG_HI,
1442                                0x80);
1443                        snd_soc_write(codec, M98088_REG_13_DAI1_CLKCFG_LO,
1444                                0x00);
1445                        break;
1446                case SND_SOC_DAIFMT_CBM_CFM:
1447                        /* Set to master mode */
1448                        reg14val |= M98088_DAI_MAS;
1449                        break;
1450                case SND_SOC_DAIFMT_CBS_CFM:
1451                case SND_SOC_DAIFMT_CBM_CFS:
1452                default:
1453                        dev_err(codec->dev, "Clock mode unsupported");
1454                        return -EINVAL;
1455                }
1456 
1457                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1458                case SND_SOC_DAIFMT_I2S:
1459                        reg14val |= M98088_DAI_DLY;
1460                        break;
1461                case SND_SOC_DAIFMT_LEFT_J:
1462                        break;
1463                default:
1464                        return -EINVAL;
1465                }
1466 
1467                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1468                case SND_SOC_DAIFMT_NB_NF:
1469                        break;
1470                case SND_SOC_DAIFMT_NB_IF:
1471                        reg14val |= M98088_DAI_WCI;
1472                        break;
1473                case SND_SOC_DAIFMT_IB_NF:
1474                        reg14val |= M98088_DAI_BCI;
1475                        break;
1476                case SND_SOC_DAIFMT_IB_IF:
1477                        reg14val |= M98088_DAI_BCI|M98088_DAI_WCI;
1478                        break;
1479                default:
1480                        return -EINVAL;
1481                }
1482 
1483                snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1484                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1485                        M98088_DAI_WCI, reg14val);
1486 
1487                reg15val = M98088_DAI_BSEL64;
1488                if (max98088->digmic)
1489                        reg15val |= M98088_DAI_OSR64;
1490                snd_soc_write(codec, M98088_REG_15_DAI1_CLOCK, reg15val);
1491        }
1492 
1493        return 0;
1494 }
1495 
1496 static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1497                                 unsigned int fmt)
1498 {
1499        struct snd_soc_codec *codec = codec_dai->codec;
1500        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1501        struct max98088_cdata *cdata;
1502        u8 reg1Cval = 0;
1503 
1504        cdata = &max98088->dai[1];
1505 
1506        if (fmt != cdata->fmt) {
1507                cdata->fmt = fmt;
1508 
1509                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1510                case SND_SOC_DAIFMT_CBS_CFS:
1511                        /* Slave mode PLL */
1512                        snd_soc_write(codec, M98088_REG_1A_DAI2_CLKCFG_HI,
1513                                0x80);
1514                        snd_soc_write(codec, M98088_REG_1B_DAI2_CLKCFG_LO,
1515                                0x00);
1516                        break;
1517                case SND_SOC_DAIFMT_CBM_CFM:
1518                        /* Set to master mode */
1519                        reg1Cval |= M98088_DAI_MAS;
1520                        break;
1521                case SND_SOC_DAIFMT_CBS_CFM:
1522                case SND_SOC_DAIFMT_CBM_CFS:
1523                default:
1524                        dev_err(codec->dev, "Clock mode unsupported");
1525                        return -EINVAL;
1526                }
1527 
1528                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1529                case SND_SOC_DAIFMT_I2S:
1530                        reg1Cval |= M98088_DAI_DLY;
1531                        break;
1532                case SND_SOC_DAIFMT_LEFT_J:
1533                        break;
1534                default:
1535                        return -EINVAL;
1536                }
1537 
1538                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1539                case SND_SOC_DAIFMT_NB_NF:
1540                        break;
1541                case SND_SOC_DAIFMT_NB_IF:
1542                        reg1Cval |= M98088_DAI_WCI;
1543                        break;
1544                case SND_SOC_DAIFMT_IB_NF:
1545                        reg1Cval |= M98088_DAI_BCI;
1546                        break;
1547                case SND_SOC_DAIFMT_IB_IF:
1548                        reg1Cval |= M98088_DAI_BCI|M98088_DAI_WCI;
1549                        break;
1550                default:
1551                        return -EINVAL;
1552                }
1553 
1554                snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1555                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1556                        M98088_DAI_WCI, reg1Cval);
1557 
1558                snd_soc_write(codec, M98088_REG_1D_DAI2_CLOCK,
1559                        M98088_DAI_BSEL64);
1560        }
1561 
1562        return 0;
1563 }
1564 
1565 static int max98088_dai1_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1566 {
1567        struct snd_soc_codec *codec = codec_dai->codec;
1568        int reg;
1569 
1570        if (mute)
1571                reg = M98088_DAI_MUTE;
1572        else
1573                reg = 0;
1574 
1575        snd_soc_update_bits(codec, M98088_REG_2F_LVL_DAI1_PLAY,
1576                            M98088_DAI_MUTE_MASK, reg);
1577        return 0;
1578 }
1579 
1580 static int max98088_dai2_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1581 {
1582        struct snd_soc_codec *codec = codec_dai->codec;
1583        int reg;
1584 
1585        if (mute)
1586                reg = M98088_DAI_MUTE;
1587        else
1588                reg = 0;
1589 
1590        snd_soc_update_bits(codec, M98088_REG_31_LVL_DAI2_PLAY,
1591                            M98088_DAI_MUTE_MASK, reg);
1592        return 0;
1593 }
1594 
1595 static void max98088_sync_cache(struct snd_soc_codec *codec)
1596 {
1597        u16 *reg_cache = codec->reg_cache;
1598        int i;
1599 
1600        if (!codec->cache_sync)
1601                return;
1602 
1603        codec->cache_only = 0;
1604 
1605        /* write back cached values if they're writeable and
1606         * different from the hardware default.
1607         */
1608        for (i = 1; i < codec->driver->reg_cache_size; i++) {
1609                if (!max98088_access[i].writable)
1610                        continue;
1611 
1612                if (reg_cache[i] == max98088_reg[i])
1613                        continue;
1614 
1615                snd_soc_write(codec, i, reg_cache[i]);
1616        }
1617 
1618        codec->cache_sync = 0;
1619 }
1620 
1621 static int max98088_set_bias_level(struct snd_soc_codec *codec,
1622                                   enum snd_soc_bias_level level)
1623 {
1624        switch (level) {
1625        case SND_SOC_BIAS_ON:
1626                break;
1627 
1628        case SND_SOC_BIAS_PREPARE:
1629                break;
1630 
1631        case SND_SOC_BIAS_STANDBY:
1632                if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
1633                        max98088_sync_cache(codec);
1634 
1635                snd_soc_update_bits(codec, M98088_REG_4C_PWR_EN_IN,
1636                                M98088_MBEN, M98088_MBEN);
1637                break;
1638 
1639        case SND_SOC_BIAS_OFF:
1640                snd_soc_update_bits(codec, M98088_REG_4C_PWR_EN_IN,
1641                                M98088_MBEN, 0);
1642                codec->cache_sync = 1;
1643                break;
1644        }
1645        codec->dapm.bias_level = level;
1646        return 0;
1647 }
1648 
1649 #define MAX98088_RATES SNDRV_PCM_RATE_8000_96000
1650 #define MAX98088_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1651 
1652 static const struct snd_soc_dai_ops max98088_dai1_ops = {
1653        .set_sysclk = max98088_dai_set_sysclk,
1654        .set_fmt = max98088_dai1_set_fmt,
1655        .hw_params = max98088_dai1_hw_params,
1656        .digital_mute = max98088_dai1_digital_mute,
1657 };
1658 
1659 static const struct snd_soc_dai_ops max98088_dai2_ops = {
1660        .set_sysclk = max98088_dai_set_sysclk,
1661        .set_fmt = max98088_dai2_set_fmt,
1662        .hw_params = max98088_dai2_hw_params,
1663        .digital_mute = max98088_dai2_digital_mute,
1664 };
1665 
1666 static struct snd_soc_dai_driver max98088_dai[] = {
1667 {
1668        .name = "HiFi",
1669        .playback = {
1670                .stream_name = "HiFi Playback",
1671                .channels_min = 1,
1672                .channels_max = 2,
1673                .rates = MAX98088_RATES,
1674                .formats = MAX98088_FORMATS,
1675        },
1676        .capture = {
1677                .stream_name = "HiFi Capture",
1678                .channels_min = 1,
1679                .channels_max = 2,
1680                .rates = MAX98088_RATES,
1681                .formats = MAX98088_FORMATS,
1682        },
1683         .ops = &max98088_dai1_ops,
1684 },
1685 {
1686        .name = "Aux",
1687        .playback = {
1688                .stream_name = "Aux Playback",
1689                .channels_min = 1,
1690                .channels_max = 2,
1691                .rates = MAX98088_RATES,
1692                .formats = MAX98088_FORMATS,
1693        },
1694        .ops = &max98088_dai2_ops,
1695 }
1696 };
1697 
1698 static const char *eq_mode_name[] = {"EQ1 Mode", "EQ2 Mode"};
1699 
1700 static int max98088_get_channel(struct snd_soc_codec *codec, const char *name)
1701 {
1702 	int i;
1703 
1704 	for (i = 0; i < ARRAY_SIZE(eq_mode_name); i++)
1705 		if (strcmp(name, eq_mode_name[i]) == 0)
1706 			return i;
1707 
1708 	/* Shouldn't happen */
1709 	dev_err(codec->dev, "Bad EQ channel name '%s'\n", name);
1710 	return -EINVAL;
1711 }
1712 
1713 static void max98088_setup_eq1(struct snd_soc_codec *codec)
1714 {
1715        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1716        struct max98088_pdata *pdata = max98088->pdata;
1717        struct max98088_eq_cfg *coef_set;
1718        int best, best_val, save, i, sel, fs;
1719        struct max98088_cdata *cdata;
1720 
1721        cdata = &max98088->dai[0];
1722 
1723        if (!pdata || !max98088->eq_textcnt)
1724                return;
1725 
1726        /* Find the selected configuration with nearest sample rate */
1727        fs = cdata->rate;
1728        sel = cdata->eq_sel;
1729 
1730        best = 0;
1731        best_val = INT_MAX;
1732        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1733                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1734                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1735                        best = i;
1736                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1737                }
1738        }
1739 
1740        dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1741                pdata->eq_cfg[best].name,
1742                pdata->eq_cfg[best].rate, fs);
1743 
1744        /* Disable EQ while configuring, and save current on/off state */
1745        save = snd_soc_read(codec, M98088_REG_49_CFG_LEVEL);
1746        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, 0);
1747 
1748        coef_set = &pdata->eq_cfg[sel];
1749 
1750        m98088_eq_band(codec, 0, 0, coef_set->band1);
1751        m98088_eq_band(codec, 0, 1, coef_set->band2);
1752        m98088_eq_band(codec, 0, 2, coef_set->band3);
1753        m98088_eq_band(codec, 0, 3, coef_set->band4);
1754        m98088_eq_band(codec, 0, 4, coef_set->band5);
1755 
1756        /* Restore the original on/off state */
1757        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, save);
1758 }
1759 
1760 static void max98088_setup_eq2(struct snd_soc_codec *codec)
1761 {
1762        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1763        struct max98088_pdata *pdata = max98088->pdata;
1764        struct max98088_eq_cfg *coef_set;
1765        int best, best_val, save, i, sel, fs;
1766        struct max98088_cdata *cdata;
1767 
1768        cdata = &max98088->dai[1];
1769 
1770        if (!pdata || !max98088->eq_textcnt)
1771                return;
1772 
1773        /* Find the selected configuration with nearest sample rate */
1774        fs = cdata->rate;
1775 
1776        sel = cdata->eq_sel;
1777        best = 0;
1778        best_val = INT_MAX;
1779        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1780                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1781                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1782                        best = i;
1783                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1784                }
1785        }
1786 
1787        dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1788                pdata->eq_cfg[best].name,
1789                pdata->eq_cfg[best].rate, fs);
1790 
1791        /* Disable EQ while configuring, and save current on/off state */
1792        save = snd_soc_read(codec, M98088_REG_49_CFG_LEVEL);
1793        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, 0);
1794 
1795        coef_set = &pdata->eq_cfg[sel];
1796 
1797        m98088_eq_band(codec, 1, 0, coef_set->band1);
1798        m98088_eq_band(codec, 1, 1, coef_set->band2);
1799        m98088_eq_band(codec, 1, 2, coef_set->band3);
1800        m98088_eq_band(codec, 1, 3, coef_set->band4);
1801        m98088_eq_band(codec, 1, 4, coef_set->band5);
1802 
1803        /* Restore the original on/off state */
1804        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN,
1805                save);
1806 }
1807 
1808 static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol,
1809                                 struct snd_ctl_elem_value *ucontrol)
1810 {
1811        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1812        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1813        struct max98088_pdata *pdata = max98088->pdata;
1814        int channel = max98088_get_channel(codec, kcontrol->id.name);
1815        struct max98088_cdata *cdata;
1816        int sel = ucontrol->value.integer.value[0];
1817 
1818        if (channel < 0)
1819 	       return channel;
1820 
1821        cdata = &max98088->dai[channel];
1822 
1823        if (sel >= pdata->eq_cfgcnt)
1824                return -EINVAL;
1825 
1826        cdata->eq_sel = sel;
1827 
1828        switch (channel) {
1829        case 0:
1830                max98088_setup_eq1(codec);
1831                break;
1832        case 1:
1833                max98088_setup_eq2(codec);
1834                break;
1835        }
1836 
1837        return 0;
1838 }
1839 
1840 static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol,
1841                                 struct snd_ctl_elem_value *ucontrol)
1842 {
1843        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1844        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1845        int channel = max98088_get_channel(codec, kcontrol->id.name);
1846        struct max98088_cdata *cdata;
1847 
1848        if (channel < 0)
1849 	       return channel;
1850 
1851        cdata = &max98088->dai[channel];
1852        ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1853        return 0;
1854 }
1855 
1856 static void max98088_handle_eq_pdata(struct snd_soc_codec *codec)
1857 {
1858        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1859        struct max98088_pdata *pdata = max98088->pdata;
1860        struct max98088_eq_cfg *cfg;
1861        unsigned int cfgcnt;
1862        int i, j;
1863        const char **t;
1864        int ret;
1865        struct snd_kcontrol_new controls[] = {
1866                SOC_ENUM_EXT((char *)eq_mode_name[0],
1867                        max98088->eq_enum,
1868                        max98088_get_eq_enum,
1869                        max98088_put_eq_enum),
1870                SOC_ENUM_EXT((char *)eq_mode_name[1],
1871                        max98088->eq_enum,
1872                        max98088_get_eq_enum,
1873                        max98088_put_eq_enum),
1874        };
1875        BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(eq_mode_name));
1876 
1877        cfg = pdata->eq_cfg;
1878        cfgcnt = pdata->eq_cfgcnt;
1879 
1880        /* Setup an array of texts for the equalizer enum.
1881         * This is based on Mark Brown's equalizer driver code.
1882         */
1883        max98088->eq_textcnt = 0;
1884        max98088->eq_texts = NULL;
1885        for (i = 0; i < cfgcnt; i++) {
1886                for (j = 0; j < max98088->eq_textcnt; j++) {
1887                        if (strcmp(cfg[i].name, max98088->eq_texts[j]) == 0)
1888                                break;
1889                }
1890 
1891                if (j != max98088->eq_textcnt)
1892                        continue;
1893 
1894                /* Expand the array */
1895                t = krealloc(max98088->eq_texts,
1896                             sizeof(char *) * (max98088->eq_textcnt + 1),
1897                             GFP_KERNEL);
1898                if (t == NULL)
1899                        continue;
1900 
1901                /* Store the new entry */
1902                t[max98088->eq_textcnt] = cfg[i].name;
1903                max98088->eq_textcnt++;
1904                max98088->eq_texts = t;
1905        }
1906 
1907        /* Now point the soc_enum to .texts array items */
1908        max98088->eq_enum.texts = max98088->eq_texts;
1909        max98088->eq_enum.max = max98088->eq_textcnt;
1910 
1911        ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
1912        if (ret != 0)
1913                dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
1914 }
1915 
1916 static void max98088_handle_pdata(struct snd_soc_codec *codec)
1917 {
1918        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1919        struct max98088_pdata *pdata = max98088->pdata;
1920        u8 regval = 0;
1921 
1922        if (!pdata) {
1923                dev_dbg(codec->dev, "No platform data\n");
1924                return;
1925        }
1926 
1927        /* Configure mic for analog/digital mic mode */
1928        if (pdata->digmic_left_mode)
1929                regval |= M98088_DIGMIC_L;
1930 
1931        if (pdata->digmic_right_mode)
1932                regval |= M98088_DIGMIC_R;
1933 
1934        max98088->digmic = (regval ? 1 : 0);
1935 
1936        snd_soc_write(codec, M98088_REG_48_CFG_MIC, regval);
1937 
1938        /* Configure receiver output */
1939        regval = ((pdata->receiver_mode) ? M98088_REC_LINEMODE : 0);
1940        snd_soc_update_bits(codec, M98088_REG_2A_MIC_REC_CNTL,
1941                M98088_REC_LINEMODE_MASK, regval);
1942 
1943        /* Configure equalizers */
1944        if (pdata->eq_cfgcnt)
1945                max98088_handle_eq_pdata(codec);
1946 }
1947 
1948 #ifdef CONFIG_PM
1949 static int max98088_suspend(struct snd_soc_codec *codec)
1950 {
1951        max98088_set_bias_level(codec, SND_SOC_BIAS_OFF);
1952 
1953        return 0;
1954 }
1955 
1956 static int max98088_resume(struct snd_soc_codec *codec)
1957 {
1958        max98088_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1959 
1960        return 0;
1961 }
1962 #else
1963 #define max98088_suspend NULL
1964 #define max98088_resume NULL
1965 #endif
1966 
1967 static int max98088_probe(struct snd_soc_codec *codec)
1968 {
1969        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1970        struct max98088_cdata *cdata;
1971        int ret = 0;
1972 
1973        codec->cache_sync = 1;
1974 
1975        ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
1976        if (ret != 0) {
1977                dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1978                return ret;
1979        }
1980 
1981        /* initialize private data */
1982 
1983        max98088->sysclk = (unsigned)-1;
1984        max98088->eq_textcnt = 0;
1985 
1986        cdata = &max98088->dai[0];
1987        cdata->rate = (unsigned)-1;
1988        cdata->fmt  = (unsigned)-1;
1989        cdata->eq_sel = 0;
1990 
1991        cdata = &max98088->dai[1];
1992        cdata->rate = (unsigned)-1;
1993        cdata->fmt  = (unsigned)-1;
1994        cdata->eq_sel = 0;
1995 
1996        max98088->ina_state = 0;
1997        max98088->inb_state = 0;
1998        max98088->ex_mode = 0;
1999        max98088->digmic = 0;
2000        max98088->mic1pre = 0;
2001        max98088->mic2pre = 0;
2002 
2003        ret = snd_soc_read(codec, M98088_REG_FF_REV_ID);
2004        if (ret < 0) {
2005                dev_err(codec->dev, "Failed to read device revision: %d\n",
2006                        ret);
2007                goto err_access;
2008        }
2009        dev_info(codec->dev, "revision %c\n", ret + 'A');
2010 
2011        snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);
2012 
2013        /* initialize registers cache to hardware default */
2014        max98088_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2015 
2016        snd_soc_write(codec, M98088_REG_0F_IRQ_ENABLE, 0x00);
2017 
2018        snd_soc_write(codec, M98088_REG_22_MIX_DAC,
2019                M98088_DAI1L_TO_DACL|M98088_DAI2L_TO_DACL|
2020                M98088_DAI1R_TO_DACR|M98088_DAI2R_TO_DACR);
2021 
2022        snd_soc_write(codec, M98088_REG_4E_BIAS_CNTL, 0xF0);
2023        snd_soc_write(codec, M98088_REG_50_DAC_BIAS2, 0x0F);
2024 
2025        snd_soc_write(codec, M98088_REG_16_DAI1_IOCFG,
2026                M98088_S1NORMAL|M98088_SDATA);
2027 
2028        snd_soc_write(codec, M98088_REG_1E_DAI2_IOCFG,
2029                M98088_S2NORMAL|M98088_SDATA);
2030 
2031        max98088_handle_pdata(codec);
2032 
2033        snd_soc_add_codec_controls(codec, max98088_snd_controls,
2034                             ARRAY_SIZE(max98088_snd_controls));
2035 
2036 err_access:
2037        return ret;
2038 }
2039 
2040 static int max98088_remove(struct snd_soc_codec *codec)
2041 {
2042        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
2043 
2044        max98088_set_bias_level(codec, SND_SOC_BIAS_OFF);
2045        kfree(max98088->eq_texts);
2046 
2047        return 0;
2048 }
2049 
2050 static struct snd_soc_codec_driver soc_codec_dev_max98088 = {
2051        .probe   = max98088_probe,
2052        .remove  = max98088_remove,
2053        .suspend = max98088_suspend,
2054        .resume  = max98088_resume,
2055        .set_bias_level = max98088_set_bias_level,
2056        .reg_cache_size = ARRAY_SIZE(max98088_reg),
2057        .reg_word_size = sizeof(u8),
2058        .reg_cache_default = max98088_reg,
2059        .volatile_register = max98088_volatile_register,
2060 	.dapm_widgets = max98088_dapm_widgets,
2061 	.num_dapm_widgets = ARRAY_SIZE(max98088_dapm_widgets),
2062 	.dapm_routes = max98088_audio_map,
2063 	.num_dapm_routes = ARRAY_SIZE(max98088_audio_map),
2064 };
2065 
2066 static int max98088_i2c_probe(struct i2c_client *i2c,
2067                             const struct i2c_device_id *id)
2068 {
2069        struct max98088_priv *max98088;
2070        int ret;
2071 
2072        max98088 = devm_kzalloc(&i2c->dev, sizeof(struct max98088_priv),
2073 			       GFP_KERNEL);
2074        if (max98088 == NULL)
2075                return -ENOMEM;
2076 
2077        max98088->devtype = id->driver_data;
2078 
2079        i2c_set_clientdata(i2c, max98088);
2080        max98088->pdata = i2c->dev.platform_data;
2081 
2082        ret = snd_soc_register_codec(&i2c->dev,
2083                        &soc_codec_dev_max98088, &max98088_dai[0], 2);
2084        return ret;
2085 }
2086 
2087 static int max98088_i2c_remove(struct i2c_client *client)
2088 {
2089        snd_soc_unregister_codec(&client->dev);
2090        return 0;
2091 }
2092 
2093 static const struct i2c_device_id max98088_i2c_id[] = {
2094        { "max98088", MAX98088 },
2095        { "max98089", MAX98089 },
2096        { }
2097 };
2098 MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
2099 
2100 static struct i2c_driver max98088_i2c_driver = {
2101 	.driver = {
2102 		.name = "max98088",
2103 		.owner = THIS_MODULE,
2104 	},
2105 	.probe  = max98088_i2c_probe,
2106 	.remove = max98088_i2c_remove,
2107 	.id_table = max98088_i2c_id,
2108 };
2109 
2110 module_i2c_driver(max98088_i2c_driver);
2111 
2112 MODULE_DESCRIPTION("ALSA SoC MAX98088 driver");
2113 MODULE_AUTHOR("Peter Hsiang, Jesse Marroquin");
2114 MODULE_LICENSE("GPL");
2115