mm: compaction: don't depend on HUGETLB_PAGE
[linux/fpc-iii.git] / sound / soc / codecs / max98088.c
blob89498f9ad2e5e5d9a2ecd6d3e0cfe1bde239497f
1 /*
2 * max98088.c -- MAX98088 ALSA SoC Audio driver
4 * Copyright 2010 Maxim Integrated Products
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 */
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 <linux/platform_device.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/initval.h>
24 #include <sound/tlv.h>
25 #include <linux/slab.h>
26 #include <asm/div64.h>
27 #include <sound/max98088.h>
28 #include "max98088.h"
30 enum max98088_type {
31 MAX98088,
32 MAX98089,
35 struct max98088_cdata {
36 unsigned int rate;
37 unsigned int fmt;
38 int eq_sel;
41 struct max98088_priv {
42 enum max98088_type devtype;
43 void *control_data;
44 struct max98088_pdata *pdata;
45 unsigned int sysclk;
46 struct max98088_cdata dai[2];
47 int eq_textcnt;
48 const char **eq_texts;
49 struct soc_enum eq_enum;
50 u8 ina_state;
51 u8 inb_state;
52 unsigned int ex_mode;
53 unsigned int digmic;
54 unsigned int mic1pre;
55 unsigned int mic2pre;
56 unsigned int extmic_mode;
59 static const u8 max98088_reg[M98088_REG_CNT] = {
60 0x00, /* 00 IRQ status */
61 0x00, /* 01 MIC status */
62 0x00, /* 02 jack status */
63 0x00, /* 03 battery voltage */
64 0x00, /* 04 */
65 0x00, /* 05 */
66 0x00, /* 06 */
67 0x00, /* 07 */
68 0x00, /* 08 */
69 0x00, /* 09 */
70 0x00, /* 0A */
71 0x00, /* 0B */
72 0x00, /* 0C */
73 0x00, /* 0D */
74 0x00, /* 0E */
75 0x00, /* 0F interrupt enable */
77 0x00, /* 10 master clock */
78 0x00, /* 11 DAI1 clock mode */
79 0x00, /* 12 DAI1 clock control */
80 0x00, /* 13 DAI1 clock control */
81 0x00, /* 14 DAI1 format */
82 0x00, /* 15 DAI1 clock */
83 0x00, /* 16 DAI1 config */
84 0x00, /* 17 DAI1 TDM */
85 0x00, /* 18 DAI1 filters */
86 0x00, /* 19 DAI2 clock mode */
87 0x00, /* 1A DAI2 clock control */
88 0x00, /* 1B DAI2 clock control */
89 0x00, /* 1C DAI2 format */
90 0x00, /* 1D DAI2 clock */
91 0x00, /* 1E DAI2 config */
92 0x00, /* 1F DAI2 TDM */
94 0x00, /* 20 DAI2 filters */
95 0x00, /* 21 data config */
96 0x00, /* 22 DAC mixer */
97 0x00, /* 23 left ADC mixer */
98 0x00, /* 24 right ADC mixer */
99 0x00, /* 25 left HP mixer */
100 0x00, /* 26 right HP mixer */
101 0x00, /* 27 HP control */
102 0x00, /* 28 left REC mixer */
103 0x00, /* 29 right REC mixer */
104 0x00, /* 2A REC control */
105 0x00, /* 2B left SPK mixer */
106 0x00, /* 2C right SPK mixer */
107 0x00, /* 2D SPK control */
108 0x00, /* 2E sidetone */
109 0x00, /* 2F DAI1 playback level */
111 0x00, /* 30 DAI1 playback level */
112 0x00, /* 31 DAI2 playback level */
113 0x00, /* 32 DAI2 playbakc level */
114 0x00, /* 33 left ADC level */
115 0x00, /* 34 right ADC level */
116 0x00, /* 35 MIC1 level */
117 0x00, /* 36 MIC2 level */
118 0x00, /* 37 INA level */
119 0x00, /* 38 INB level */
120 0x00, /* 39 left HP volume */
121 0x00, /* 3A right HP volume */
122 0x00, /* 3B left REC volume */
123 0x00, /* 3C right REC volume */
124 0x00, /* 3D left SPK volume */
125 0x00, /* 3E right SPK volume */
126 0x00, /* 3F MIC config */
128 0x00, /* 40 MIC threshold */
129 0x00, /* 41 excursion limiter filter */
130 0x00, /* 42 excursion limiter threshold */
131 0x00, /* 43 ALC */
132 0x00, /* 44 power limiter threshold */
133 0x00, /* 45 power limiter config */
134 0x00, /* 46 distortion limiter config */
135 0x00, /* 47 audio input */
136 0x00, /* 48 microphone */
137 0x00, /* 49 level control */
138 0x00, /* 4A bypass switches */
139 0x00, /* 4B jack detect */
140 0x00, /* 4C input enable */
141 0x00, /* 4D output enable */
142 0xF0, /* 4E bias control */
143 0x00, /* 4F DAC power */
145 0x0F, /* 50 DAC power */
146 0x00, /* 51 system */
147 0x00, /* 52 DAI1 EQ1 */
148 0x00, /* 53 DAI1 EQ1 */
149 0x00, /* 54 DAI1 EQ1 */
150 0x00, /* 55 DAI1 EQ1 */
151 0x00, /* 56 DAI1 EQ1 */
152 0x00, /* 57 DAI1 EQ1 */
153 0x00, /* 58 DAI1 EQ1 */
154 0x00, /* 59 DAI1 EQ1 */
155 0x00, /* 5A DAI1 EQ1 */
156 0x00, /* 5B DAI1 EQ1 */
157 0x00, /* 5C DAI1 EQ2 */
158 0x00, /* 5D DAI1 EQ2 */
159 0x00, /* 5E DAI1 EQ2 */
160 0x00, /* 5F DAI1 EQ2 */
162 0x00, /* 60 DAI1 EQ2 */
163 0x00, /* 61 DAI1 EQ2 */
164 0x00, /* 62 DAI1 EQ2 */
165 0x00, /* 63 DAI1 EQ2 */
166 0x00, /* 64 DAI1 EQ2 */
167 0x00, /* 65 DAI1 EQ2 */
168 0x00, /* 66 DAI1 EQ3 */
169 0x00, /* 67 DAI1 EQ3 */
170 0x00, /* 68 DAI1 EQ3 */
171 0x00, /* 69 DAI1 EQ3 */
172 0x00, /* 6A DAI1 EQ3 */
173 0x00, /* 6B DAI1 EQ3 */
174 0x00, /* 6C DAI1 EQ3 */
175 0x00, /* 6D DAI1 EQ3 */
176 0x00, /* 6E DAI1 EQ3 */
177 0x00, /* 6F DAI1 EQ3 */
179 0x00, /* 70 DAI1 EQ4 */
180 0x00, /* 71 DAI1 EQ4 */
181 0x00, /* 72 DAI1 EQ4 */
182 0x00, /* 73 DAI1 EQ4 */
183 0x00, /* 74 DAI1 EQ4 */
184 0x00, /* 75 DAI1 EQ4 */
185 0x00, /* 76 DAI1 EQ4 */
186 0x00, /* 77 DAI1 EQ4 */
187 0x00, /* 78 DAI1 EQ4 */
188 0x00, /* 79 DAI1 EQ4 */
189 0x00, /* 7A DAI1 EQ5 */
190 0x00, /* 7B DAI1 EQ5 */
191 0x00, /* 7C DAI1 EQ5 */
192 0x00, /* 7D DAI1 EQ5 */
193 0x00, /* 7E DAI1 EQ5 */
194 0x00, /* 7F DAI1 EQ5 */
196 0x00, /* 80 DAI1 EQ5 */
197 0x00, /* 81 DAI1 EQ5 */
198 0x00, /* 82 DAI1 EQ5 */
199 0x00, /* 83 DAI1 EQ5 */
200 0x00, /* 84 DAI2 EQ1 */
201 0x00, /* 85 DAI2 EQ1 */
202 0x00, /* 86 DAI2 EQ1 */
203 0x00, /* 87 DAI2 EQ1 */
204 0x00, /* 88 DAI2 EQ1 */
205 0x00, /* 89 DAI2 EQ1 */
206 0x00, /* 8A DAI2 EQ1 */
207 0x00, /* 8B DAI2 EQ1 */
208 0x00, /* 8C DAI2 EQ1 */
209 0x00, /* 8D DAI2 EQ1 */
210 0x00, /* 8E DAI2 EQ2 */
211 0x00, /* 8F DAI2 EQ2 */
213 0x00, /* 90 DAI2 EQ2 */
214 0x00, /* 91 DAI2 EQ2 */
215 0x00, /* 92 DAI2 EQ2 */
216 0x00, /* 93 DAI2 EQ2 */
217 0x00, /* 94 DAI2 EQ2 */
218 0x00, /* 95 DAI2 EQ2 */
219 0x00, /* 96 DAI2 EQ2 */
220 0x00, /* 97 DAI2 EQ2 */
221 0x00, /* 98 DAI2 EQ3 */
222 0x00, /* 99 DAI2 EQ3 */
223 0x00, /* 9A DAI2 EQ3 */
224 0x00, /* 9B DAI2 EQ3 */
225 0x00, /* 9C DAI2 EQ3 */
226 0x00, /* 9D DAI2 EQ3 */
227 0x00, /* 9E DAI2 EQ3 */
228 0x00, /* 9F DAI2 EQ3 */
230 0x00, /* A0 DAI2 EQ3 */
231 0x00, /* A1 DAI2 EQ3 */
232 0x00, /* A2 DAI2 EQ4 */
233 0x00, /* A3 DAI2 EQ4 */
234 0x00, /* A4 DAI2 EQ4 */
235 0x00, /* A5 DAI2 EQ4 */
236 0x00, /* A6 DAI2 EQ4 */
237 0x00, /* A7 DAI2 EQ4 */
238 0x00, /* A8 DAI2 EQ4 */
239 0x00, /* A9 DAI2 EQ4 */
240 0x00, /* AA DAI2 EQ4 */
241 0x00, /* AB DAI2 EQ4 */
242 0x00, /* AC DAI2 EQ5 */
243 0x00, /* AD DAI2 EQ5 */
244 0x00, /* AE DAI2 EQ5 */
245 0x00, /* AF DAI2 EQ5 */
247 0x00, /* B0 DAI2 EQ5 */
248 0x00, /* B1 DAI2 EQ5 */
249 0x00, /* B2 DAI2 EQ5 */
250 0x00, /* B3 DAI2 EQ5 */
251 0x00, /* B4 DAI2 EQ5 */
252 0x00, /* B5 DAI2 EQ5 */
253 0x00, /* B6 DAI1 biquad */
254 0x00, /* B7 DAI1 biquad */
255 0x00, /* B8 DAI1 biquad */
256 0x00, /* B9 DAI1 biquad */
257 0x00, /* BA DAI1 biquad */
258 0x00, /* BB DAI1 biquad */
259 0x00, /* BC DAI1 biquad */
260 0x00, /* BD DAI1 biquad */
261 0x00, /* BE DAI1 biquad */
262 0x00, /* BF DAI1 biquad */
264 0x00, /* C0 DAI2 biquad */
265 0x00, /* C1 DAI2 biquad */
266 0x00, /* C2 DAI2 biquad */
267 0x00, /* C3 DAI2 biquad */
268 0x00, /* C4 DAI2 biquad */
269 0x00, /* C5 DAI2 biquad */
270 0x00, /* C6 DAI2 biquad */
271 0x00, /* C7 DAI2 biquad */
272 0x00, /* C8 DAI2 biquad */
273 0x00, /* C9 DAI2 biquad */
274 0x00, /* CA */
275 0x00, /* CB */
276 0x00, /* CC */
277 0x00, /* CD */
278 0x00, /* CE */
279 0x00, /* CF */
281 0x00, /* D0 */
282 0x00, /* D1 */
283 0x00, /* D2 */
284 0x00, /* D3 */
285 0x00, /* D4 */
286 0x00, /* D5 */
287 0x00, /* D6 */
288 0x00, /* D7 */
289 0x00, /* D8 */
290 0x00, /* D9 */
291 0x00, /* DA */
292 0x70, /* DB */
293 0x00, /* DC */
294 0x00, /* DD */
295 0x00, /* DE */
296 0x00, /* DF */
298 0x00, /* E0 */
299 0x00, /* E1 */
300 0x00, /* E2 */
301 0x00, /* E3 */
302 0x00, /* E4 */
303 0x00, /* E5 */
304 0x00, /* E6 */
305 0x00, /* E7 */
306 0x00, /* E8 */
307 0x00, /* E9 */
308 0x00, /* EA */
309 0x00, /* EB */
310 0x00, /* EC */
311 0x00, /* ED */
312 0x00, /* EE */
313 0x00, /* EF */
315 0x00, /* F0 */
316 0x00, /* F1 */
317 0x00, /* F2 */
318 0x00, /* F3 */
319 0x00, /* F4 */
320 0x00, /* F5 */
321 0x00, /* F6 */
322 0x00, /* F7 */
323 0x00, /* F8 */
324 0x00, /* F9 */
325 0x00, /* FA */
326 0x00, /* FB */
327 0x00, /* FC */
328 0x00, /* FD */
329 0x00, /* FE */
330 0x00, /* FF */
333 static struct {
334 int readable;
335 int writable;
336 int vol;
337 } max98088_access[M98088_REG_CNT] = {
338 { 0xFF, 0xFF, 1 }, /* 00 IRQ status */
339 { 0xFF, 0x00, 1 }, /* 01 MIC status */
340 { 0xFF, 0x00, 1 }, /* 02 jack status */
341 { 0x1F, 0x1F, 1 }, /* 03 battery voltage */
342 { 0xFF, 0xFF, 0 }, /* 04 */
343 { 0xFF, 0xFF, 0 }, /* 05 */
344 { 0xFF, 0xFF, 0 }, /* 06 */
345 { 0xFF, 0xFF, 0 }, /* 07 */
346 { 0xFF, 0xFF, 0 }, /* 08 */
347 { 0xFF, 0xFF, 0 }, /* 09 */
348 { 0xFF, 0xFF, 0 }, /* 0A */
349 { 0xFF, 0xFF, 0 }, /* 0B */
350 { 0xFF, 0xFF, 0 }, /* 0C */
351 { 0xFF, 0xFF, 0 }, /* 0D */
352 { 0xFF, 0xFF, 0 }, /* 0E */
353 { 0xFF, 0xFF, 0 }, /* 0F interrupt enable */
355 { 0xFF, 0xFF, 0 }, /* 10 master clock */
356 { 0xFF, 0xFF, 0 }, /* 11 DAI1 clock mode */
357 { 0xFF, 0xFF, 0 }, /* 12 DAI1 clock control */
358 { 0xFF, 0xFF, 0 }, /* 13 DAI1 clock control */
359 { 0xFF, 0xFF, 0 }, /* 14 DAI1 format */
360 { 0xFF, 0xFF, 0 }, /* 15 DAI1 clock */
361 { 0xFF, 0xFF, 0 }, /* 16 DAI1 config */
362 { 0xFF, 0xFF, 0 }, /* 17 DAI1 TDM */
363 { 0xFF, 0xFF, 0 }, /* 18 DAI1 filters */
364 { 0xFF, 0xFF, 0 }, /* 19 DAI2 clock mode */
365 { 0xFF, 0xFF, 0 }, /* 1A DAI2 clock control */
366 { 0xFF, 0xFF, 0 }, /* 1B DAI2 clock control */
367 { 0xFF, 0xFF, 0 }, /* 1C DAI2 format */
368 { 0xFF, 0xFF, 0 }, /* 1D DAI2 clock */
369 { 0xFF, 0xFF, 0 }, /* 1E DAI2 config */
370 { 0xFF, 0xFF, 0 }, /* 1F DAI2 TDM */
372 { 0xFF, 0xFF, 0 }, /* 20 DAI2 filters */
373 { 0xFF, 0xFF, 0 }, /* 21 data config */
374 { 0xFF, 0xFF, 0 }, /* 22 DAC mixer */
375 { 0xFF, 0xFF, 0 }, /* 23 left ADC mixer */
376 { 0xFF, 0xFF, 0 }, /* 24 right ADC mixer */
377 { 0xFF, 0xFF, 0 }, /* 25 left HP mixer */
378 { 0xFF, 0xFF, 0 }, /* 26 right HP mixer */
379 { 0xFF, 0xFF, 0 }, /* 27 HP control */
380 { 0xFF, 0xFF, 0 }, /* 28 left REC mixer */
381 { 0xFF, 0xFF, 0 }, /* 29 right REC mixer */
382 { 0xFF, 0xFF, 0 }, /* 2A REC control */
383 { 0xFF, 0xFF, 0 }, /* 2B left SPK mixer */
384 { 0xFF, 0xFF, 0 }, /* 2C right SPK mixer */
385 { 0xFF, 0xFF, 0 }, /* 2D SPK control */
386 { 0xFF, 0xFF, 0 }, /* 2E sidetone */
387 { 0xFF, 0xFF, 0 }, /* 2F DAI1 playback level */
389 { 0xFF, 0xFF, 0 }, /* 30 DAI1 playback level */
390 { 0xFF, 0xFF, 0 }, /* 31 DAI2 playback level */
391 { 0xFF, 0xFF, 0 }, /* 32 DAI2 playbakc level */
392 { 0xFF, 0xFF, 0 }, /* 33 left ADC level */
393 { 0xFF, 0xFF, 0 }, /* 34 right ADC level */
394 { 0xFF, 0xFF, 0 }, /* 35 MIC1 level */
395 { 0xFF, 0xFF, 0 }, /* 36 MIC2 level */
396 { 0xFF, 0xFF, 0 }, /* 37 INA level */
397 { 0xFF, 0xFF, 0 }, /* 38 INB level */
398 { 0xFF, 0xFF, 0 }, /* 39 left HP volume */
399 { 0xFF, 0xFF, 0 }, /* 3A right HP volume */
400 { 0xFF, 0xFF, 0 }, /* 3B left REC volume */
401 { 0xFF, 0xFF, 0 }, /* 3C right REC volume */
402 { 0xFF, 0xFF, 0 }, /* 3D left SPK volume */
403 { 0xFF, 0xFF, 0 }, /* 3E right SPK volume */
404 { 0xFF, 0xFF, 0 }, /* 3F MIC config */
406 { 0xFF, 0xFF, 0 }, /* 40 MIC threshold */
407 { 0xFF, 0xFF, 0 }, /* 41 excursion limiter filter */
408 { 0xFF, 0xFF, 0 }, /* 42 excursion limiter threshold */
409 { 0xFF, 0xFF, 0 }, /* 43 ALC */
410 { 0xFF, 0xFF, 0 }, /* 44 power limiter threshold */
411 { 0xFF, 0xFF, 0 }, /* 45 power limiter config */
412 { 0xFF, 0xFF, 0 }, /* 46 distortion limiter config */
413 { 0xFF, 0xFF, 0 }, /* 47 audio input */
414 { 0xFF, 0xFF, 0 }, /* 48 microphone */
415 { 0xFF, 0xFF, 0 }, /* 49 level control */
416 { 0xFF, 0xFF, 0 }, /* 4A bypass switches */
417 { 0xFF, 0xFF, 0 }, /* 4B jack detect */
418 { 0xFF, 0xFF, 0 }, /* 4C input enable */
419 { 0xFF, 0xFF, 0 }, /* 4D output enable */
420 { 0xFF, 0xFF, 0 }, /* 4E bias control */
421 { 0xFF, 0xFF, 0 }, /* 4F DAC power */
423 { 0xFF, 0xFF, 0 }, /* 50 DAC power */
424 { 0xFF, 0xFF, 0 }, /* 51 system */
425 { 0xFF, 0xFF, 0 }, /* 52 DAI1 EQ1 */
426 { 0xFF, 0xFF, 0 }, /* 53 DAI1 EQ1 */
427 { 0xFF, 0xFF, 0 }, /* 54 DAI1 EQ1 */
428 { 0xFF, 0xFF, 0 }, /* 55 DAI1 EQ1 */
429 { 0xFF, 0xFF, 0 }, /* 56 DAI1 EQ1 */
430 { 0xFF, 0xFF, 0 }, /* 57 DAI1 EQ1 */
431 { 0xFF, 0xFF, 0 }, /* 58 DAI1 EQ1 */
432 { 0xFF, 0xFF, 0 }, /* 59 DAI1 EQ1 */
433 { 0xFF, 0xFF, 0 }, /* 5A DAI1 EQ1 */
434 { 0xFF, 0xFF, 0 }, /* 5B DAI1 EQ1 */
435 { 0xFF, 0xFF, 0 }, /* 5C DAI1 EQ2 */
436 { 0xFF, 0xFF, 0 }, /* 5D DAI1 EQ2 */
437 { 0xFF, 0xFF, 0 }, /* 5E DAI1 EQ2 */
438 { 0xFF, 0xFF, 0 }, /* 5F DAI1 EQ2 */
440 { 0xFF, 0xFF, 0 }, /* 60 DAI1 EQ2 */
441 { 0xFF, 0xFF, 0 }, /* 61 DAI1 EQ2 */
442 { 0xFF, 0xFF, 0 }, /* 62 DAI1 EQ2 */
443 { 0xFF, 0xFF, 0 }, /* 63 DAI1 EQ2 */
444 { 0xFF, 0xFF, 0 }, /* 64 DAI1 EQ2 */
445 { 0xFF, 0xFF, 0 }, /* 65 DAI1 EQ2 */
446 { 0xFF, 0xFF, 0 }, /* 66 DAI1 EQ3 */
447 { 0xFF, 0xFF, 0 }, /* 67 DAI1 EQ3 */
448 { 0xFF, 0xFF, 0 }, /* 68 DAI1 EQ3 */
449 { 0xFF, 0xFF, 0 }, /* 69 DAI1 EQ3 */
450 { 0xFF, 0xFF, 0 }, /* 6A DAI1 EQ3 */
451 { 0xFF, 0xFF, 0 }, /* 6B DAI1 EQ3 */
452 { 0xFF, 0xFF, 0 }, /* 6C DAI1 EQ3 */
453 { 0xFF, 0xFF, 0 }, /* 6D DAI1 EQ3 */
454 { 0xFF, 0xFF, 0 }, /* 6E DAI1 EQ3 */
455 { 0xFF, 0xFF, 0 }, /* 6F DAI1 EQ3 */
457 { 0xFF, 0xFF, 0 }, /* 70 DAI1 EQ4 */
458 { 0xFF, 0xFF, 0 }, /* 71 DAI1 EQ4 */
459 { 0xFF, 0xFF, 0 }, /* 72 DAI1 EQ4 */
460 { 0xFF, 0xFF, 0 }, /* 73 DAI1 EQ4 */
461 { 0xFF, 0xFF, 0 }, /* 74 DAI1 EQ4 */
462 { 0xFF, 0xFF, 0 }, /* 75 DAI1 EQ4 */
463 { 0xFF, 0xFF, 0 }, /* 76 DAI1 EQ4 */
464 { 0xFF, 0xFF, 0 }, /* 77 DAI1 EQ4 */
465 { 0xFF, 0xFF, 0 }, /* 78 DAI1 EQ4 */
466 { 0xFF, 0xFF, 0 }, /* 79 DAI1 EQ4 */
467 { 0xFF, 0xFF, 0 }, /* 7A DAI1 EQ5 */
468 { 0xFF, 0xFF, 0 }, /* 7B DAI1 EQ5 */
469 { 0xFF, 0xFF, 0 }, /* 7C DAI1 EQ5 */
470 { 0xFF, 0xFF, 0 }, /* 7D DAI1 EQ5 */
471 { 0xFF, 0xFF, 0 }, /* 7E DAI1 EQ5 */
472 { 0xFF, 0xFF, 0 }, /* 7F DAI1 EQ5 */
474 { 0xFF, 0xFF, 0 }, /* 80 DAI1 EQ5 */
475 { 0xFF, 0xFF, 0 }, /* 81 DAI1 EQ5 */
476 { 0xFF, 0xFF, 0 }, /* 82 DAI1 EQ5 */
477 { 0xFF, 0xFF, 0 }, /* 83 DAI1 EQ5 */
478 { 0xFF, 0xFF, 0 }, /* 84 DAI2 EQ1 */
479 { 0xFF, 0xFF, 0 }, /* 85 DAI2 EQ1 */
480 { 0xFF, 0xFF, 0 }, /* 86 DAI2 EQ1 */
481 { 0xFF, 0xFF, 0 }, /* 87 DAI2 EQ1 */
482 { 0xFF, 0xFF, 0 }, /* 88 DAI2 EQ1 */
483 { 0xFF, 0xFF, 0 }, /* 89 DAI2 EQ1 */
484 { 0xFF, 0xFF, 0 }, /* 8A DAI2 EQ1 */
485 { 0xFF, 0xFF, 0 }, /* 8B DAI2 EQ1 */
486 { 0xFF, 0xFF, 0 }, /* 8C DAI2 EQ1 */
487 { 0xFF, 0xFF, 0 }, /* 8D DAI2 EQ1 */
488 { 0xFF, 0xFF, 0 }, /* 8E DAI2 EQ2 */
489 { 0xFF, 0xFF, 0 }, /* 8F DAI2 EQ2 */
491 { 0xFF, 0xFF, 0 }, /* 90 DAI2 EQ2 */
492 { 0xFF, 0xFF, 0 }, /* 91 DAI2 EQ2 */
493 { 0xFF, 0xFF, 0 }, /* 92 DAI2 EQ2 */
494 { 0xFF, 0xFF, 0 }, /* 93 DAI2 EQ2 */
495 { 0xFF, 0xFF, 0 }, /* 94 DAI2 EQ2 */
496 { 0xFF, 0xFF, 0 }, /* 95 DAI2 EQ2 */
497 { 0xFF, 0xFF, 0 }, /* 96 DAI2 EQ2 */
498 { 0xFF, 0xFF, 0 }, /* 97 DAI2 EQ2 */
499 { 0xFF, 0xFF, 0 }, /* 98 DAI2 EQ3 */
500 { 0xFF, 0xFF, 0 }, /* 99 DAI2 EQ3 */
501 { 0xFF, 0xFF, 0 }, /* 9A DAI2 EQ3 */
502 { 0xFF, 0xFF, 0 }, /* 9B DAI2 EQ3 */
503 { 0xFF, 0xFF, 0 }, /* 9C DAI2 EQ3 */
504 { 0xFF, 0xFF, 0 }, /* 9D DAI2 EQ3 */
505 { 0xFF, 0xFF, 0 }, /* 9E DAI2 EQ3 */
506 { 0xFF, 0xFF, 0 }, /* 9F DAI2 EQ3 */
508 { 0xFF, 0xFF, 0 }, /* A0 DAI2 EQ3 */
509 { 0xFF, 0xFF, 0 }, /* A1 DAI2 EQ3 */
510 { 0xFF, 0xFF, 0 }, /* A2 DAI2 EQ4 */
511 { 0xFF, 0xFF, 0 }, /* A3 DAI2 EQ4 */
512 { 0xFF, 0xFF, 0 }, /* A4 DAI2 EQ4 */
513 { 0xFF, 0xFF, 0 }, /* A5 DAI2 EQ4 */
514 { 0xFF, 0xFF, 0 }, /* A6 DAI2 EQ4 */
515 { 0xFF, 0xFF, 0 }, /* A7 DAI2 EQ4 */
516 { 0xFF, 0xFF, 0 }, /* A8 DAI2 EQ4 */
517 { 0xFF, 0xFF, 0 }, /* A9 DAI2 EQ4 */
518 { 0xFF, 0xFF, 0 }, /* AA DAI2 EQ4 */
519 { 0xFF, 0xFF, 0 }, /* AB DAI2 EQ4 */
520 { 0xFF, 0xFF, 0 }, /* AC DAI2 EQ5 */
521 { 0xFF, 0xFF, 0 }, /* AD DAI2 EQ5 */
522 { 0xFF, 0xFF, 0 }, /* AE DAI2 EQ5 */
523 { 0xFF, 0xFF, 0 }, /* AF DAI2 EQ5 */
525 { 0xFF, 0xFF, 0 }, /* B0 DAI2 EQ5 */
526 { 0xFF, 0xFF, 0 }, /* B1 DAI2 EQ5 */
527 { 0xFF, 0xFF, 0 }, /* B2 DAI2 EQ5 */
528 { 0xFF, 0xFF, 0 }, /* B3 DAI2 EQ5 */
529 { 0xFF, 0xFF, 0 }, /* B4 DAI2 EQ5 */
530 { 0xFF, 0xFF, 0 }, /* B5 DAI2 EQ5 */
531 { 0xFF, 0xFF, 0 }, /* B6 DAI1 biquad */
532 { 0xFF, 0xFF, 0 }, /* B7 DAI1 biquad */
533 { 0xFF, 0xFF, 0 }, /* B8 DAI1 biquad */
534 { 0xFF, 0xFF, 0 }, /* B9 DAI1 biquad */
535 { 0xFF, 0xFF, 0 }, /* BA DAI1 biquad */
536 { 0xFF, 0xFF, 0 }, /* BB DAI1 biquad */
537 { 0xFF, 0xFF, 0 }, /* BC DAI1 biquad */
538 { 0xFF, 0xFF, 0 }, /* BD DAI1 biquad */
539 { 0xFF, 0xFF, 0 }, /* BE DAI1 biquad */
540 { 0xFF, 0xFF, 0 }, /* BF DAI1 biquad */
542 { 0xFF, 0xFF, 0 }, /* C0 DAI2 biquad */
543 { 0xFF, 0xFF, 0 }, /* C1 DAI2 biquad */
544 { 0xFF, 0xFF, 0 }, /* C2 DAI2 biquad */
545 { 0xFF, 0xFF, 0 }, /* C3 DAI2 biquad */
546 { 0xFF, 0xFF, 0 }, /* C4 DAI2 biquad */
547 { 0xFF, 0xFF, 0 }, /* C5 DAI2 biquad */
548 { 0xFF, 0xFF, 0 }, /* C6 DAI2 biquad */
549 { 0xFF, 0xFF, 0 }, /* C7 DAI2 biquad */
550 { 0xFF, 0xFF, 0 }, /* C8 DAI2 biquad */
551 { 0xFF, 0xFF, 0 }, /* C9 DAI2 biquad */
552 { 0x00, 0x00, 0 }, /* CA */
553 { 0x00, 0x00, 0 }, /* CB */
554 { 0x00, 0x00, 0 }, /* CC */
555 { 0x00, 0x00, 0 }, /* CD */
556 { 0x00, 0x00, 0 }, /* CE */
557 { 0x00, 0x00, 0 }, /* CF */
559 { 0x00, 0x00, 0 }, /* D0 */
560 { 0x00, 0x00, 0 }, /* D1 */
561 { 0x00, 0x00, 0 }, /* D2 */
562 { 0x00, 0x00, 0 }, /* D3 */
563 { 0x00, 0x00, 0 }, /* D4 */
564 { 0x00, 0x00, 0 }, /* D5 */
565 { 0x00, 0x00, 0 }, /* D6 */
566 { 0x00, 0x00, 0 }, /* D7 */
567 { 0x00, 0x00, 0 }, /* D8 */
568 { 0x00, 0x00, 0 }, /* D9 */
569 { 0x00, 0x00, 0 }, /* DA */
570 { 0x00, 0x00, 0 }, /* DB */
571 { 0x00, 0x00, 0 }, /* DC */
572 { 0x00, 0x00, 0 }, /* DD */
573 { 0x00, 0x00, 0 }, /* DE */
574 { 0x00, 0x00, 0 }, /* DF */
576 { 0x00, 0x00, 0 }, /* E0 */
577 { 0x00, 0x00, 0 }, /* E1 */
578 { 0x00, 0x00, 0 }, /* E2 */
579 { 0x00, 0x00, 0 }, /* E3 */
580 { 0x00, 0x00, 0 }, /* E4 */
581 { 0x00, 0x00, 0 }, /* E5 */
582 { 0x00, 0x00, 0 }, /* E6 */
583 { 0x00, 0x00, 0 }, /* E7 */
584 { 0x00, 0x00, 0 }, /* E8 */
585 { 0x00, 0x00, 0 }, /* E9 */
586 { 0x00, 0x00, 0 }, /* EA */
587 { 0x00, 0x00, 0 }, /* EB */
588 { 0x00, 0x00, 0 }, /* EC */
589 { 0x00, 0x00, 0 }, /* ED */
590 { 0x00, 0x00, 0 }, /* EE */
591 { 0x00, 0x00, 0 }, /* EF */
593 { 0x00, 0x00, 0 }, /* F0 */
594 { 0x00, 0x00, 0 }, /* F1 */
595 { 0x00, 0x00, 0 }, /* F2 */
596 { 0x00, 0x00, 0 }, /* F3 */
597 { 0x00, 0x00, 0 }, /* F4 */
598 { 0x00, 0x00, 0 }, /* F5 */
599 { 0x00, 0x00, 0 }, /* F6 */
600 { 0x00, 0x00, 0 }, /* F7 */
601 { 0x00, 0x00, 0 }, /* F8 */
602 { 0x00, 0x00, 0 }, /* F9 */
603 { 0x00, 0x00, 0 }, /* FA */
604 { 0x00, 0x00, 0 }, /* FB */
605 { 0x00, 0x00, 0 }, /* FC */
606 { 0x00, 0x00, 0 }, /* FD */
607 { 0x00, 0x00, 0 }, /* FE */
608 { 0xFF, 0x00, 1 }, /* FF */
611 static int max98088_volatile_register(unsigned int reg)
613 return max98088_access[reg].vol;
618 * Load equalizer DSP coefficient configurations registers
620 static void m98088_eq_band(struct snd_soc_codec *codec, unsigned int dai,
621 unsigned int band, u16 *coefs)
623 unsigned int eq_reg;
624 unsigned int i;
626 BUG_ON(band > 4);
627 BUG_ON(dai > 1);
629 /* Load the base register address */
630 eq_reg = dai ? M98088_REG_84_DAI2_EQ_BASE : M98088_REG_52_DAI1_EQ_BASE;
632 /* Add the band address offset, note adjustment for word address */
633 eq_reg += band * (M98088_COEFS_PER_BAND << 1);
635 /* Step through the registers and coefs */
636 for (i = 0; i < M98088_COEFS_PER_BAND; i++) {
637 snd_soc_write(codec, eq_reg++, M98088_BYTE1(coefs[i]));
638 snd_soc_write(codec, eq_reg++, M98088_BYTE0(coefs[i]));
643 * Excursion limiter modes
645 static const char *max98088_exmode_texts[] = {
646 "Off", "100Hz", "400Hz", "600Hz", "800Hz", "1000Hz", "200-400Hz",
647 "400-600Hz", "400-800Hz",
650 static const unsigned int max98088_exmode_values[] = {
651 0x00, 0x43, 0x10, 0x20, 0x30, 0x40, 0x11, 0x22, 0x32
654 static const struct soc_enum max98088_exmode_enum =
655 SOC_VALUE_ENUM_SINGLE(M98088_REG_41_SPKDHP, 0, 127,
656 ARRAY_SIZE(max98088_exmode_texts),
657 max98088_exmode_texts,
658 max98088_exmode_values);
659 static const struct snd_kcontrol_new max98088_exmode_controls =
660 SOC_DAPM_VALUE_ENUM("Route", max98088_exmode_enum);
662 static const char *max98088_ex_thresh[] = { /* volts PP */
663 "0.6", "1.2", "1.8", "2.4", "3.0", "3.6", "4.2", "4.8"};
664 static const struct soc_enum max98088_ex_thresh_enum[] = {
665 SOC_ENUM_SINGLE(M98088_REG_42_SPKDHP_THRESH, 0, 8,
666 max98088_ex_thresh),
669 static const char *max98088_fltr_mode[] = {"Voice", "Music" };
670 static const struct soc_enum max98088_filter_mode_enum[] = {
671 SOC_ENUM_SINGLE(M98088_REG_18_DAI1_FILTERS, 7, 2, max98088_fltr_mode),
674 static const char *max98088_extmic_text[] = { "None", "MIC1", "MIC2" };
676 static const struct soc_enum max98088_extmic_enum =
677 SOC_ENUM_SINGLE(M98088_REG_48_CFG_MIC, 0, 3, max98088_extmic_text);
679 static const struct snd_kcontrol_new max98088_extmic_mux =
680 SOC_DAPM_ENUM("External MIC Mux", max98088_extmic_enum);
682 static const char *max98088_dai1_fltr[] = {
683 "Off", "fc=258/fs=16k", "fc=500/fs=16k",
684 "fc=258/fs=8k", "fc=500/fs=8k", "fc=200"};
685 static const struct soc_enum max98088_dai1_dac_filter_enum[] = {
686 SOC_ENUM_SINGLE(M98088_REG_18_DAI1_FILTERS, 0, 6, max98088_dai1_fltr),
688 static const struct soc_enum max98088_dai1_adc_filter_enum[] = {
689 SOC_ENUM_SINGLE(M98088_REG_18_DAI1_FILTERS, 4, 6, max98088_dai1_fltr),
692 static int max98088_mic1pre_set(struct snd_kcontrol *kcontrol,
693 struct snd_ctl_elem_value *ucontrol)
695 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
696 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
697 unsigned int sel = ucontrol->value.integer.value[0];
699 max98088->mic1pre = sel;
700 snd_soc_update_bits(codec, M98088_REG_35_LVL_MIC1, M98088_MICPRE_MASK,
701 (1+sel)<<M98088_MICPRE_SHIFT);
703 return 0;
706 static int max98088_mic1pre_get(struct snd_kcontrol *kcontrol,
707 struct snd_ctl_elem_value *ucontrol)
709 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
710 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
712 ucontrol->value.integer.value[0] = max98088->mic1pre;
713 return 0;
716 static int max98088_mic2pre_set(struct snd_kcontrol *kcontrol,
717 struct snd_ctl_elem_value *ucontrol)
719 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
720 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
721 unsigned int sel = ucontrol->value.integer.value[0];
723 max98088->mic2pre = sel;
724 snd_soc_update_bits(codec, M98088_REG_36_LVL_MIC2, M98088_MICPRE_MASK,
725 (1+sel)<<M98088_MICPRE_SHIFT);
727 return 0;
730 static int max98088_mic2pre_get(struct snd_kcontrol *kcontrol,
731 struct snd_ctl_elem_value *ucontrol)
733 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
734 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
736 ucontrol->value.integer.value[0] = max98088->mic2pre;
737 return 0;
740 static const unsigned int max98088_micboost_tlv[] = {
741 TLV_DB_RANGE_HEAD(2),
742 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
743 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
746 static const struct snd_kcontrol_new max98088_snd_controls[] = {
748 SOC_DOUBLE_R("Headphone Volume", M98088_REG_39_LVL_HP_L,
749 M98088_REG_3A_LVL_HP_R, 0, 31, 0),
750 SOC_DOUBLE_R("Speaker Volume", M98088_REG_3D_LVL_SPK_L,
751 M98088_REG_3E_LVL_SPK_R, 0, 31, 0),
752 SOC_DOUBLE_R("Receiver Volume", M98088_REG_3B_LVL_REC_L,
753 M98088_REG_3C_LVL_REC_R, 0, 31, 0),
755 SOC_DOUBLE_R("Headphone Switch", M98088_REG_39_LVL_HP_L,
756 M98088_REG_3A_LVL_HP_R, 7, 1, 1),
757 SOC_DOUBLE_R("Speaker Switch", M98088_REG_3D_LVL_SPK_L,
758 M98088_REG_3E_LVL_SPK_R, 7, 1, 1),
759 SOC_DOUBLE_R("Receiver Switch", M98088_REG_3B_LVL_REC_L,
760 M98088_REG_3C_LVL_REC_R, 7, 1, 1),
762 SOC_SINGLE("MIC1 Volume", M98088_REG_35_LVL_MIC1, 0, 31, 1),
763 SOC_SINGLE("MIC2 Volume", M98088_REG_36_LVL_MIC2, 0, 31, 1),
765 SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
766 M98088_REG_35_LVL_MIC1, 5, 2, 0,
767 max98088_mic1pre_get, max98088_mic1pre_set,
768 max98088_micboost_tlv),
769 SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
770 M98088_REG_36_LVL_MIC2, 5, 2, 0,
771 max98088_mic2pre_get, max98088_mic2pre_set,
772 max98088_micboost_tlv),
774 SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1),
775 SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1),
777 SOC_SINGLE("ADCL Volume", M98088_REG_33_LVL_ADC_L, 0, 15, 0),
778 SOC_SINGLE("ADCR Volume", M98088_REG_34_LVL_ADC_R, 0, 15, 0),
780 SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0),
781 SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0),
783 SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0),
784 SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0),
786 SOC_ENUM("EX Limiter Threshold", max98088_ex_thresh_enum),
788 SOC_ENUM("DAI1 Filter Mode", max98088_filter_mode_enum),
789 SOC_ENUM("DAI1 DAC Filter", max98088_dai1_dac_filter_enum),
790 SOC_ENUM("DAI1 ADC Filter", max98088_dai1_adc_filter_enum),
791 SOC_SINGLE("DAI2 DC Block Switch", M98088_REG_20_DAI2_FILTERS,
792 0, 1, 0),
794 SOC_SINGLE("ALC Switch", M98088_REG_43_SPKALC_COMP, 7, 1, 0),
795 SOC_SINGLE("ALC Threshold", M98088_REG_43_SPKALC_COMP, 0, 7, 0),
796 SOC_SINGLE("ALC Multiband", M98088_REG_43_SPKALC_COMP, 3, 1, 0),
797 SOC_SINGLE("ALC Release Time", M98088_REG_43_SPKALC_COMP, 4, 7, 0),
799 SOC_SINGLE("PWR Limiter Threshold", M98088_REG_44_PWRLMT_CFG,
800 4, 15, 0),
801 SOC_SINGLE("PWR Limiter Weight", M98088_REG_44_PWRLMT_CFG, 0, 7, 0),
802 SOC_SINGLE("PWR Limiter Time1", M98088_REG_45_PWRLMT_TIME, 0, 15, 0),
803 SOC_SINGLE("PWR Limiter Time2", M98088_REG_45_PWRLMT_TIME, 4, 15, 0),
805 SOC_SINGLE("THD Limiter Threshold", M98088_REG_46_THDLMT_CFG, 4, 15, 0),
806 SOC_SINGLE("THD Limiter Time", M98088_REG_46_THDLMT_CFG, 0, 7, 0),
809 /* Left speaker mixer switch */
810 static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = {
811 SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
812 SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
813 SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
814 SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
815 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 5, 1, 0),
816 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 6, 1, 0),
817 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 1, 1, 0),
818 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 2, 1, 0),
819 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 3, 1, 0),
820 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 4, 1, 0),
823 /* Right speaker mixer switch */
824 static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = {
825 SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
826 SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
827 SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
828 SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
829 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 5, 1, 0),
830 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 6, 1, 0),
831 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 1, 1, 0),
832 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 2, 1, 0),
833 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 3, 1, 0),
834 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 4, 1, 0),
837 /* Left headphone mixer switch */
838 static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = {
839 SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
840 SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
841 SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
842 SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
843 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_25_MIX_HP_LEFT, 5, 1, 0),
844 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_25_MIX_HP_LEFT, 6, 1, 0),
845 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_25_MIX_HP_LEFT, 1, 1, 0),
846 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_25_MIX_HP_LEFT, 2, 1, 0),
847 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_25_MIX_HP_LEFT, 3, 1, 0),
848 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_25_MIX_HP_LEFT, 4, 1, 0),
851 /* Right headphone mixer switch */
852 static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = {
853 SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
854 SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
855 SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
856 SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
857 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 5, 1, 0),
858 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 6, 1, 0),
859 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_26_MIX_HP_RIGHT, 1, 1, 0),
860 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_26_MIX_HP_RIGHT, 2, 1, 0),
861 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_26_MIX_HP_RIGHT, 3, 1, 0),
862 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_26_MIX_HP_RIGHT, 4, 1, 0),
865 /* Left earpiece/receiver mixer switch */
866 static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = {
867 SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
868 SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
869 SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
870 SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
871 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_28_MIX_REC_LEFT, 5, 1, 0),
872 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_28_MIX_REC_LEFT, 6, 1, 0),
873 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_28_MIX_REC_LEFT, 1, 1, 0),
874 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_28_MIX_REC_LEFT, 2, 1, 0),
875 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_28_MIX_REC_LEFT, 3, 1, 0),
876 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_28_MIX_REC_LEFT, 4, 1, 0),
879 /* Right earpiece/receiver mixer switch */
880 static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = {
881 SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
882 SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
883 SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
884 SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
885 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 5, 1, 0),
886 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 6, 1, 0),
887 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_29_MIX_REC_RIGHT, 1, 1, 0),
888 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_29_MIX_REC_RIGHT, 2, 1, 0),
889 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_29_MIX_REC_RIGHT, 3, 1, 0),
890 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_29_MIX_REC_RIGHT, 4, 1, 0),
893 /* Left ADC mixer switch */
894 static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = {
895 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_23_MIX_ADC_LEFT, 7, 1, 0),
896 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_23_MIX_ADC_LEFT, 6, 1, 0),
897 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_23_MIX_ADC_LEFT, 3, 1, 0),
898 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_23_MIX_ADC_LEFT, 2, 1, 0),
899 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_23_MIX_ADC_LEFT, 1, 1, 0),
900 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_23_MIX_ADC_LEFT, 0, 1, 0),
903 /* Right ADC mixer switch */
904 static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = {
905 SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 7, 1, 0),
906 SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 6, 1, 0),
907 SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 3, 1, 0),
908 SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 2, 1, 0),
909 SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 1, 1, 0),
910 SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 0, 1, 0),
913 static int max98088_mic_event(struct snd_soc_dapm_widget *w,
914 struct snd_kcontrol *kcontrol, int event)
916 struct snd_soc_codec *codec = w->codec;
917 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
919 switch (event) {
920 case SND_SOC_DAPM_POST_PMU:
921 if (w->reg == M98088_REG_35_LVL_MIC1) {
922 snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK,
923 (1+max98088->mic1pre)<<M98088_MICPRE_SHIFT);
924 } else {
925 snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK,
926 (1+max98088->mic2pre)<<M98088_MICPRE_SHIFT);
928 break;
929 case SND_SOC_DAPM_POST_PMD:
930 snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK, 0);
931 break;
932 default:
933 return -EINVAL;
936 return 0;
940 * The line inputs are 2-channel stereo inputs with the left
941 * and right channels sharing a common PGA power control signal.
943 static int max98088_line_pga(struct snd_soc_dapm_widget *w,
944 int event, int line, u8 channel)
946 struct snd_soc_codec *codec = w->codec;
947 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
948 u8 *state;
950 BUG_ON(!((channel == 1) || (channel == 2)));
952 switch (line) {
953 case LINE_INA:
954 state = &max98088->ina_state;
955 break;
956 case LINE_INB:
957 state = &max98088->inb_state;
958 break;
959 default:
960 return -EINVAL;
963 switch (event) {
964 case SND_SOC_DAPM_POST_PMU:
965 *state |= channel;
966 snd_soc_update_bits(codec, w->reg,
967 (1 << w->shift), (1 << w->shift));
968 break;
969 case SND_SOC_DAPM_POST_PMD:
970 *state &= ~channel;
971 if (*state == 0) {
972 snd_soc_update_bits(codec, w->reg,
973 (1 << w->shift), 0);
975 break;
976 default:
977 return -EINVAL;
980 return 0;
983 static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w,
984 struct snd_kcontrol *k, int event)
986 return max98088_line_pga(w, event, LINE_INA, 1);
989 static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w,
990 struct snd_kcontrol *k, int event)
992 return max98088_line_pga(w, event, LINE_INA, 2);
995 static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w,
996 struct snd_kcontrol *k, int event)
998 return max98088_line_pga(w, event, LINE_INB, 1);
1001 static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w,
1002 struct snd_kcontrol *k, int event)
1004 return max98088_line_pga(w, event, LINE_INB, 2);
1007 static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = {
1009 SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 1, 0),
1010 SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 0, 0),
1012 SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
1013 M98088_REG_4D_PWR_EN_OUT, 1, 0),
1014 SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
1015 M98088_REG_4D_PWR_EN_OUT, 0, 0),
1016 SND_SOC_DAPM_DAC("DACL2", "Aux Playback",
1017 M98088_REG_4D_PWR_EN_OUT, 1, 0),
1018 SND_SOC_DAPM_DAC("DACR2", "Aux Playback",
1019 M98088_REG_4D_PWR_EN_OUT, 0, 0),
1021 SND_SOC_DAPM_PGA("HP Left Out", M98088_REG_4D_PWR_EN_OUT,
1022 7, 0, NULL, 0),
1023 SND_SOC_DAPM_PGA("HP Right Out", M98088_REG_4D_PWR_EN_OUT,
1024 6, 0, NULL, 0),
1026 SND_SOC_DAPM_PGA("SPK Left Out", M98088_REG_4D_PWR_EN_OUT,
1027 5, 0, NULL, 0),
1028 SND_SOC_DAPM_PGA("SPK Right Out", M98088_REG_4D_PWR_EN_OUT,
1029 4, 0, NULL, 0),
1031 SND_SOC_DAPM_PGA("REC Left Out", M98088_REG_4D_PWR_EN_OUT,
1032 3, 0, NULL, 0),
1033 SND_SOC_DAPM_PGA("REC Right Out", M98088_REG_4D_PWR_EN_OUT,
1034 2, 0, NULL, 0),
1036 SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
1037 &max98088_extmic_mux),
1039 SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0,
1040 &max98088_left_hp_mixer_controls[0],
1041 ARRAY_SIZE(max98088_left_hp_mixer_controls)),
1043 SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0,
1044 &max98088_right_hp_mixer_controls[0],
1045 ARRAY_SIZE(max98088_right_hp_mixer_controls)),
1047 SND_SOC_DAPM_MIXER("Left SPK Mixer", SND_SOC_NOPM, 0, 0,
1048 &max98088_left_speaker_mixer_controls[0],
1049 ARRAY_SIZE(max98088_left_speaker_mixer_controls)),
1051 SND_SOC_DAPM_MIXER("Right SPK Mixer", SND_SOC_NOPM, 0, 0,
1052 &max98088_right_speaker_mixer_controls[0],
1053 ARRAY_SIZE(max98088_right_speaker_mixer_controls)),
1055 SND_SOC_DAPM_MIXER("Left REC Mixer", SND_SOC_NOPM, 0, 0,
1056 &max98088_left_rec_mixer_controls[0],
1057 ARRAY_SIZE(max98088_left_rec_mixer_controls)),
1059 SND_SOC_DAPM_MIXER("Right REC Mixer", SND_SOC_NOPM, 0, 0,
1060 &max98088_right_rec_mixer_controls[0],
1061 ARRAY_SIZE(max98088_right_rec_mixer_controls)),
1063 SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1064 &max98088_left_ADC_mixer_controls[0],
1065 ARRAY_SIZE(max98088_left_ADC_mixer_controls)),
1067 SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1068 &max98088_right_ADC_mixer_controls[0],
1069 ARRAY_SIZE(max98088_right_ADC_mixer_controls)),
1071 SND_SOC_DAPM_PGA_E("MIC1 Input", M98088_REG_35_LVL_MIC1,
1072 5, 0, NULL, 0, max98088_mic_event,
1073 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1075 SND_SOC_DAPM_PGA_E("MIC2 Input", M98088_REG_36_LVL_MIC2,
1076 5, 0, NULL, 0, max98088_mic_event,
1077 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1079 SND_SOC_DAPM_PGA_E("INA1 Input", M98088_REG_4C_PWR_EN_IN,
1080 7, 0, NULL, 0, max98088_pga_ina1_event,
1081 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1083 SND_SOC_DAPM_PGA_E("INA2 Input", M98088_REG_4C_PWR_EN_IN,
1084 7, 0, NULL, 0, max98088_pga_ina2_event,
1085 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1087 SND_SOC_DAPM_PGA_E("INB1 Input", M98088_REG_4C_PWR_EN_IN,
1088 6, 0, NULL, 0, max98088_pga_inb1_event,
1089 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1091 SND_SOC_DAPM_PGA_E("INB2 Input", M98088_REG_4C_PWR_EN_IN,
1092 6, 0, NULL, 0, max98088_pga_inb2_event,
1093 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1095 SND_SOC_DAPM_MICBIAS("MICBIAS", M98088_REG_4C_PWR_EN_IN, 3, 0),
1097 SND_SOC_DAPM_MUX("EX Limiter Mode", SND_SOC_NOPM, 0, 0,
1098 &max98088_exmode_controls),
1100 SND_SOC_DAPM_OUTPUT("HPL"),
1101 SND_SOC_DAPM_OUTPUT("HPR"),
1102 SND_SOC_DAPM_OUTPUT("SPKL"),
1103 SND_SOC_DAPM_OUTPUT("SPKR"),
1104 SND_SOC_DAPM_OUTPUT("RECL"),
1105 SND_SOC_DAPM_OUTPUT("RECR"),
1107 SND_SOC_DAPM_INPUT("MIC1"),
1108 SND_SOC_DAPM_INPUT("MIC2"),
1109 SND_SOC_DAPM_INPUT("INA1"),
1110 SND_SOC_DAPM_INPUT("INA2"),
1111 SND_SOC_DAPM_INPUT("INB1"),
1112 SND_SOC_DAPM_INPUT("INB2"),
1115 static const struct snd_soc_dapm_route audio_map[] = {
1116 /* Left headphone output mixer */
1117 {"Left HP Mixer", "Left DAC1 Switch", "DACL1"},
1118 {"Left HP Mixer", "Left DAC2 Switch", "DACL2"},
1119 {"Left HP Mixer", "Right DAC1 Switch", "DACR1"},
1120 {"Left HP Mixer", "Right DAC2 Switch", "DACR2"},
1121 {"Left HP Mixer", "MIC1 Switch", "MIC1 Input"},
1122 {"Left HP Mixer", "MIC2 Switch", "MIC2 Input"},
1123 {"Left HP Mixer", "INA1 Switch", "INA1 Input"},
1124 {"Left HP Mixer", "INA2 Switch", "INA2 Input"},
1125 {"Left HP Mixer", "INB1 Switch", "INB1 Input"},
1126 {"Left HP Mixer", "INB2 Switch", "INB2 Input"},
1128 /* Right headphone output mixer */
1129 {"Right HP Mixer", "Left DAC1 Switch", "DACL1"},
1130 {"Right HP Mixer", "Left DAC2 Switch", "DACL2" },
1131 {"Right HP Mixer", "Right DAC1 Switch", "DACR1"},
1132 {"Right HP Mixer", "Right DAC2 Switch", "DACR2"},
1133 {"Right HP Mixer", "MIC1 Switch", "MIC1 Input"},
1134 {"Right HP Mixer", "MIC2 Switch", "MIC2 Input"},
1135 {"Right HP Mixer", "INA1 Switch", "INA1 Input"},
1136 {"Right HP Mixer", "INA2 Switch", "INA2 Input"},
1137 {"Right HP Mixer", "INB1 Switch", "INB1 Input"},
1138 {"Right HP Mixer", "INB2 Switch", "INB2 Input"},
1140 /* Left speaker output mixer */
1141 {"Left SPK Mixer", "Left DAC1 Switch", "DACL1"},
1142 {"Left SPK Mixer", "Left DAC2 Switch", "DACL2"},
1143 {"Left SPK Mixer", "Right DAC1 Switch", "DACR1"},
1144 {"Left SPK Mixer", "Right DAC2 Switch", "DACR2"},
1145 {"Left SPK Mixer", "MIC1 Switch", "MIC1 Input"},
1146 {"Left SPK Mixer", "MIC2 Switch", "MIC2 Input"},
1147 {"Left SPK Mixer", "INA1 Switch", "INA1 Input"},
1148 {"Left SPK Mixer", "INA2 Switch", "INA2 Input"},
1149 {"Left SPK Mixer", "INB1 Switch", "INB1 Input"},
1150 {"Left SPK Mixer", "INB2 Switch", "INB2 Input"},
1152 /* Right speaker output mixer */
1153 {"Right SPK Mixer", "Left DAC1 Switch", "DACL1"},
1154 {"Right SPK Mixer", "Left DAC2 Switch", "DACL2"},
1155 {"Right SPK Mixer", "Right DAC1 Switch", "DACR1"},
1156 {"Right SPK Mixer", "Right DAC2 Switch", "DACR2"},
1157 {"Right SPK Mixer", "MIC1 Switch", "MIC1 Input"},
1158 {"Right SPK Mixer", "MIC2 Switch", "MIC2 Input"},
1159 {"Right SPK Mixer", "INA1 Switch", "INA1 Input"},
1160 {"Right SPK Mixer", "INA2 Switch", "INA2 Input"},
1161 {"Right SPK Mixer", "INB1 Switch", "INB1 Input"},
1162 {"Right SPK Mixer", "INB2 Switch", "INB2 Input"},
1164 /* Earpiece/Receiver output mixer */
1165 {"Left REC Mixer", "Left DAC1 Switch", "DACL1"},
1166 {"Left REC Mixer", "Left DAC2 Switch", "DACL2"},
1167 {"Left REC Mixer", "Right DAC1 Switch", "DACR1"},
1168 {"Left REC Mixer", "Right DAC2 Switch", "DACR2"},
1169 {"Left REC Mixer", "MIC1 Switch", "MIC1 Input"},
1170 {"Left REC Mixer", "MIC2 Switch", "MIC2 Input"},
1171 {"Left REC Mixer", "INA1 Switch", "INA1 Input"},
1172 {"Left REC Mixer", "INA2 Switch", "INA2 Input"},
1173 {"Left REC Mixer", "INB1 Switch", "INB1 Input"},
1174 {"Left REC Mixer", "INB2 Switch", "INB2 Input"},
1176 /* Earpiece/Receiver output mixer */
1177 {"Right REC Mixer", "Left DAC1 Switch", "DACL1"},
1178 {"Right REC Mixer", "Left DAC2 Switch", "DACL2"},
1179 {"Right REC Mixer", "Right DAC1 Switch", "DACR1"},
1180 {"Right REC Mixer", "Right DAC2 Switch", "DACR2"},
1181 {"Right REC Mixer", "MIC1 Switch", "MIC1 Input"},
1182 {"Right REC Mixer", "MIC2 Switch", "MIC2 Input"},
1183 {"Right REC Mixer", "INA1 Switch", "INA1 Input"},
1184 {"Right REC Mixer", "INA2 Switch", "INA2 Input"},
1185 {"Right REC Mixer", "INB1 Switch", "INB1 Input"},
1186 {"Right REC Mixer", "INB2 Switch", "INB2 Input"},
1188 {"HP Left Out", NULL, "Left HP Mixer"},
1189 {"HP Right Out", NULL, "Right HP Mixer"},
1190 {"SPK Left Out", NULL, "Left SPK Mixer"},
1191 {"SPK Right Out", NULL, "Right SPK Mixer"},
1192 {"REC Left Out", NULL, "Left REC Mixer"},
1193 {"REC Right Out", NULL, "Right REC Mixer"},
1195 {"HPL", NULL, "HP Left Out"},
1196 {"HPR", NULL, "HP Right Out"},
1197 {"SPKL", NULL, "SPK Left Out"},
1198 {"SPKR", NULL, "SPK Right Out"},
1199 {"RECL", NULL, "REC Left Out"},
1200 {"RECR", NULL, "REC Right Out"},
1202 /* Left ADC input mixer */
1203 {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1204 {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1205 {"Left ADC Mixer", "INA1 Switch", "INA1 Input"},
1206 {"Left ADC Mixer", "INA2 Switch", "INA2 Input"},
1207 {"Left ADC Mixer", "INB1 Switch", "INB1 Input"},
1208 {"Left ADC Mixer", "INB2 Switch", "INB2 Input"},
1210 /* Right ADC input mixer */
1211 {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1212 {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1213 {"Right ADC Mixer", "INA1 Switch", "INA1 Input"},
1214 {"Right ADC Mixer", "INA2 Switch", "INA2 Input"},
1215 {"Right ADC Mixer", "INB1 Switch", "INB1 Input"},
1216 {"Right ADC Mixer", "INB2 Switch", "INB2 Input"},
1218 /* Inputs */
1219 {"ADCL", NULL, "Left ADC Mixer"},
1220 {"ADCR", NULL, "Right ADC Mixer"},
1221 {"INA1 Input", NULL, "INA1"},
1222 {"INA2 Input", NULL, "INA2"},
1223 {"INB1 Input", NULL, "INB1"},
1224 {"INB2 Input", NULL, "INB2"},
1225 {"MIC1 Input", NULL, "MIC1"},
1226 {"MIC2 Input", NULL, "MIC2"},
1229 static int max98088_add_widgets(struct snd_soc_codec *codec)
1231 struct snd_soc_dapm_context *dapm = &codec->dapm;
1233 snd_soc_dapm_new_controls(dapm, max98088_dapm_widgets,
1234 ARRAY_SIZE(max98088_dapm_widgets));
1236 snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
1238 snd_soc_add_controls(codec, max98088_snd_controls,
1239 ARRAY_SIZE(max98088_snd_controls));
1241 snd_soc_dapm_new_widgets(dapm);
1242 return 0;
1245 /* codec mclk clock divider coefficients */
1246 static const struct {
1247 u32 rate;
1248 u8 sr;
1249 } rate_table[] = {
1250 {8000, 0x10},
1251 {11025, 0x20},
1252 {16000, 0x30},
1253 {22050, 0x40},
1254 {24000, 0x50},
1255 {32000, 0x60},
1256 {44100, 0x70},
1257 {48000, 0x80},
1258 {88200, 0x90},
1259 {96000, 0xA0},
1262 static inline int rate_value(int rate, u8 *value)
1264 int i;
1266 for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
1267 if (rate_table[i].rate >= rate) {
1268 *value = rate_table[i].sr;
1269 return 0;
1272 *value = rate_table[0].sr;
1273 return -EINVAL;
1276 static int max98088_dai1_hw_params(struct snd_pcm_substream *substream,
1277 struct snd_pcm_hw_params *params,
1278 struct snd_soc_dai *dai)
1280 struct snd_soc_codec *codec = dai->codec;
1281 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1282 struct max98088_cdata *cdata;
1283 unsigned long long ni;
1284 unsigned int rate;
1285 u8 regval;
1287 cdata = &max98088->dai[0];
1289 rate = params_rate(params);
1291 switch (params_format(params)) {
1292 case SNDRV_PCM_FORMAT_S16_LE:
1293 snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1294 M98088_DAI_WS, 0);
1295 break;
1296 case SNDRV_PCM_FORMAT_S24_LE:
1297 snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1298 M98088_DAI_WS, M98088_DAI_WS);
1299 break;
1300 default:
1301 return -EINVAL;
1304 snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1306 if (rate_value(rate, &regval))
1307 return -EINVAL;
1309 snd_soc_update_bits(codec, M98088_REG_11_DAI1_CLKMODE,
1310 M98088_CLKMODE_MASK, regval);
1311 cdata->rate = rate;
1313 /* Configure NI when operating as master */
1314 if (snd_soc_read(codec, M98088_REG_14_DAI1_FORMAT)
1315 & M98088_DAI_MAS) {
1316 if (max98088->sysclk == 0) {
1317 dev_err(codec->dev, "Invalid system clock frequency\n");
1318 return -EINVAL;
1320 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1321 * (unsigned long long int)rate;
1322 do_div(ni, (unsigned long long int)max98088->sysclk);
1323 snd_soc_write(codec, M98088_REG_12_DAI1_CLKCFG_HI,
1324 (ni >> 8) & 0x7F);
1325 snd_soc_write(codec, M98088_REG_13_DAI1_CLKCFG_LO,
1326 ni & 0xFF);
1329 /* Update sample rate mode */
1330 if (rate < 50000)
1331 snd_soc_update_bits(codec, M98088_REG_18_DAI1_FILTERS,
1332 M98088_DAI_DHF, 0);
1333 else
1334 snd_soc_update_bits(codec, M98088_REG_18_DAI1_FILTERS,
1335 M98088_DAI_DHF, M98088_DAI_DHF);
1337 snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1338 M98088_SHDNRUN);
1340 return 0;
1343 static int max98088_dai2_hw_params(struct snd_pcm_substream *substream,
1344 struct snd_pcm_hw_params *params,
1345 struct snd_soc_dai *dai)
1347 struct snd_soc_codec *codec = dai->codec;
1348 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1349 struct max98088_cdata *cdata;
1350 unsigned long long ni;
1351 unsigned int rate;
1352 u8 regval;
1354 cdata = &max98088->dai[1];
1356 rate = params_rate(params);
1358 switch (params_format(params)) {
1359 case SNDRV_PCM_FORMAT_S16_LE:
1360 snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1361 M98088_DAI_WS, 0);
1362 break;
1363 case SNDRV_PCM_FORMAT_S24_LE:
1364 snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1365 M98088_DAI_WS, M98088_DAI_WS);
1366 break;
1367 default:
1368 return -EINVAL;
1371 snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1373 if (rate_value(rate, &regval))
1374 return -EINVAL;
1376 snd_soc_update_bits(codec, M98088_REG_19_DAI2_CLKMODE,
1377 M98088_CLKMODE_MASK, regval);
1378 cdata->rate = rate;
1380 /* Configure NI when operating as master */
1381 if (snd_soc_read(codec, M98088_REG_1C_DAI2_FORMAT)
1382 & M98088_DAI_MAS) {
1383 if (max98088->sysclk == 0) {
1384 dev_err(codec->dev, "Invalid system clock frequency\n");
1385 return -EINVAL;
1387 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1388 * (unsigned long long int)rate;
1389 do_div(ni, (unsigned long long int)max98088->sysclk);
1390 snd_soc_write(codec, M98088_REG_1A_DAI2_CLKCFG_HI,
1391 (ni >> 8) & 0x7F);
1392 snd_soc_write(codec, M98088_REG_1B_DAI2_CLKCFG_LO,
1393 ni & 0xFF);
1396 /* Update sample rate mode */
1397 if (rate < 50000)
1398 snd_soc_update_bits(codec, M98088_REG_20_DAI2_FILTERS,
1399 M98088_DAI_DHF, 0);
1400 else
1401 snd_soc_update_bits(codec, M98088_REG_20_DAI2_FILTERS,
1402 M98088_DAI_DHF, M98088_DAI_DHF);
1404 snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1405 M98088_SHDNRUN);
1407 return 0;
1410 static int max98088_dai_set_sysclk(struct snd_soc_dai *dai,
1411 int clk_id, unsigned int freq, int dir)
1413 struct snd_soc_codec *codec = dai->codec;
1414 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1416 /* Requested clock frequency is already setup */
1417 if (freq == max98088->sysclk)
1418 return 0;
1420 max98088->sysclk = freq; /* remember current sysclk */
1422 /* Setup clocks for slave mode, and using the PLL
1423 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1424 * 0x02 (when master clk is 20MHz to 30MHz)..
1426 if ((freq >= 10000000) && (freq < 20000000)) {
1427 snd_soc_write(codec, M98088_REG_10_SYS_CLK, 0x10);
1428 } else if ((freq >= 20000000) && (freq < 30000000)) {
1429 snd_soc_write(codec, M98088_REG_10_SYS_CLK, 0x20);
1430 } else {
1431 dev_err(codec->dev, "Invalid master clock frequency\n");
1432 return -EINVAL;
1435 if (snd_soc_read(codec, M98088_REG_51_PWR_SYS) & M98088_SHDNRUN) {
1436 snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS,
1437 M98088_SHDNRUN, 0);
1438 snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS,
1439 M98088_SHDNRUN, M98088_SHDNRUN);
1442 dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1444 max98088->sysclk = freq;
1445 return 0;
1448 static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1449 unsigned int fmt)
1451 struct snd_soc_codec *codec = codec_dai->codec;
1452 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1453 struct max98088_cdata *cdata;
1454 u8 reg15val;
1455 u8 reg14val = 0;
1457 cdata = &max98088->dai[0];
1459 if (fmt != cdata->fmt) {
1460 cdata->fmt = fmt;
1462 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1463 case SND_SOC_DAIFMT_CBS_CFS:
1464 /* Slave mode PLL */
1465 snd_soc_write(codec, M98088_REG_12_DAI1_CLKCFG_HI,
1466 0x80);
1467 snd_soc_write(codec, M98088_REG_13_DAI1_CLKCFG_LO,
1468 0x00);
1469 break;
1470 case SND_SOC_DAIFMT_CBM_CFM:
1471 /* Set to master mode */
1472 reg14val |= M98088_DAI_MAS;
1473 break;
1474 case SND_SOC_DAIFMT_CBS_CFM:
1475 case SND_SOC_DAIFMT_CBM_CFS:
1476 default:
1477 dev_err(codec->dev, "Clock mode unsupported");
1478 return -EINVAL;
1481 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1482 case SND_SOC_DAIFMT_I2S:
1483 reg14val |= M98088_DAI_DLY;
1484 break;
1485 case SND_SOC_DAIFMT_LEFT_J:
1486 break;
1487 default:
1488 return -EINVAL;
1491 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1492 case SND_SOC_DAIFMT_NB_NF:
1493 break;
1494 case SND_SOC_DAIFMT_NB_IF:
1495 reg14val |= M98088_DAI_WCI;
1496 break;
1497 case SND_SOC_DAIFMT_IB_NF:
1498 reg14val |= M98088_DAI_BCI;
1499 break;
1500 case SND_SOC_DAIFMT_IB_IF:
1501 reg14val |= M98088_DAI_BCI|M98088_DAI_WCI;
1502 break;
1503 default:
1504 return -EINVAL;
1507 snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1508 M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1509 M98088_DAI_WCI, reg14val);
1511 reg15val = M98088_DAI_BSEL64;
1512 if (max98088->digmic)
1513 reg15val |= M98088_DAI_OSR64;
1514 snd_soc_write(codec, M98088_REG_15_DAI1_CLOCK, reg15val);
1517 return 0;
1520 static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1521 unsigned int fmt)
1523 struct snd_soc_codec *codec = codec_dai->codec;
1524 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1525 struct max98088_cdata *cdata;
1526 u8 reg1Cval = 0;
1528 cdata = &max98088->dai[1];
1530 if (fmt != cdata->fmt) {
1531 cdata->fmt = fmt;
1533 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1534 case SND_SOC_DAIFMT_CBS_CFS:
1535 /* Slave mode PLL */
1536 snd_soc_write(codec, M98088_REG_1A_DAI2_CLKCFG_HI,
1537 0x80);
1538 snd_soc_write(codec, M98088_REG_1B_DAI2_CLKCFG_LO,
1539 0x00);
1540 break;
1541 case SND_SOC_DAIFMT_CBM_CFM:
1542 /* Set to master mode */
1543 reg1Cval |= M98088_DAI_MAS;
1544 break;
1545 case SND_SOC_DAIFMT_CBS_CFM:
1546 case SND_SOC_DAIFMT_CBM_CFS:
1547 default:
1548 dev_err(codec->dev, "Clock mode unsupported");
1549 return -EINVAL;
1552 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1553 case SND_SOC_DAIFMT_I2S:
1554 reg1Cval |= M98088_DAI_DLY;
1555 break;
1556 case SND_SOC_DAIFMT_LEFT_J:
1557 break;
1558 default:
1559 return -EINVAL;
1562 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1563 case SND_SOC_DAIFMT_NB_NF:
1564 break;
1565 case SND_SOC_DAIFMT_NB_IF:
1566 reg1Cval |= M98088_DAI_WCI;
1567 break;
1568 case SND_SOC_DAIFMT_IB_NF:
1569 reg1Cval |= M98088_DAI_BCI;
1570 break;
1571 case SND_SOC_DAIFMT_IB_IF:
1572 reg1Cval |= M98088_DAI_BCI|M98088_DAI_WCI;
1573 break;
1574 default:
1575 return -EINVAL;
1578 snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1579 M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1580 M98088_DAI_WCI, reg1Cval);
1582 snd_soc_write(codec, M98088_REG_1D_DAI2_CLOCK,
1583 M98088_DAI_BSEL64);
1586 return 0;
1589 static void max98088_sync_cache(struct snd_soc_codec *codec)
1591 u16 *reg_cache = codec->reg_cache;
1592 int i;
1594 if (!codec->cache_sync)
1595 return;
1597 codec->cache_only = 0;
1599 /* write back cached values if they're writeable and
1600 * different from the hardware default.
1602 for (i = 1; i < codec->driver->reg_cache_size; i++) {
1603 if (!max98088_access[i].writable)
1604 continue;
1606 if (reg_cache[i] == max98088_reg[i])
1607 continue;
1609 snd_soc_write(codec, i, reg_cache[i]);
1612 codec->cache_sync = 0;
1615 static int max98088_set_bias_level(struct snd_soc_codec *codec,
1616 enum snd_soc_bias_level level)
1618 switch (level) {
1619 case SND_SOC_BIAS_ON:
1620 break;
1622 case SND_SOC_BIAS_PREPARE:
1623 break;
1625 case SND_SOC_BIAS_STANDBY:
1626 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
1627 max98088_sync_cache(codec);
1629 snd_soc_update_bits(codec, M98088_REG_4C_PWR_EN_IN,
1630 M98088_MBEN, M98088_MBEN);
1631 break;
1633 case SND_SOC_BIAS_OFF:
1634 snd_soc_update_bits(codec, M98088_REG_4C_PWR_EN_IN,
1635 M98088_MBEN, 0);
1636 codec->cache_sync = 1;
1637 break;
1639 codec->dapm.bias_level = level;
1640 return 0;
1643 #define MAX98088_RATES SNDRV_PCM_RATE_8000_96000
1644 #define MAX98088_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1646 static struct snd_soc_dai_ops max98088_dai1_ops = {
1647 .set_sysclk = max98088_dai_set_sysclk,
1648 .set_fmt = max98088_dai1_set_fmt,
1649 .hw_params = max98088_dai1_hw_params,
1652 static struct snd_soc_dai_ops max98088_dai2_ops = {
1653 .set_sysclk = max98088_dai_set_sysclk,
1654 .set_fmt = max98088_dai2_set_fmt,
1655 .hw_params = max98088_dai2_hw_params,
1658 static struct snd_soc_dai_driver max98088_dai[] = {
1660 .name = "HiFi",
1661 .playback = {
1662 .stream_name = "HiFi Playback",
1663 .channels_min = 1,
1664 .channels_max = 2,
1665 .rates = MAX98088_RATES,
1666 .formats = MAX98088_FORMATS,
1668 .capture = {
1669 .stream_name = "HiFi Capture",
1670 .channels_min = 1,
1671 .channels_max = 2,
1672 .rates = MAX98088_RATES,
1673 .formats = MAX98088_FORMATS,
1675 .ops = &max98088_dai1_ops,
1678 .name = "Aux",
1679 .playback = {
1680 .stream_name = "Aux Playback",
1681 .channels_min = 1,
1682 .channels_max = 2,
1683 .rates = MAX98088_RATES,
1684 .formats = MAX98088_FORMATS,
1686 .ops = &max98088_dai2_ops,
1690 static int max98088_get_channel(const char *name)
1692 if (strcmp(name, "EQ1 Mode") == 0)
1693 return 0;
1694 if (strcmp(name, "EQ2 Mode") == 0)
1695 return 1;
1696 return -EINVAL;
1699 static void max98088_setup_eq1(struct snd_soc_codec *codec)
1701 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1702 struct max98088_pdata *pdata = max98088->pdata;
1703 struct max98088_eq_cfg *coef_set;
1704 int best, best_val, save, i, sel, fs;
1705 struct max98088_cdata *cdata;
1707 cdata = &max98088->dai[0];
1709 if (!pdata || !max98088->eq_textcnt)
1710 return;
1712 /* Find the selected configuration with nearest sample rate */
1713 fs = cdata->rate;
1714 sel = cdata->eq_sel;
1716 best = 0;
1717 best_val = INT_MAX;
1718 for (i = 0; i < pdata->eq_cfgcnt; i++) {
1719 if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1720 abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1721 best = i;
1722 best_val = abs(pdata->eq_cfg[i].rate - fs);
1726 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1727 pdata->eq_cfg[best].name,
1728 pdata->eq_cfg[best].rate, fs);
1730 /* Disable EQ while configuring, and save current on/off state */
1731 save = snd_soc_read(codec, M98088_REG_49_CFG_LEVEL);
1732 snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, 0);
1734 coef_set = &pdata->eq_cfg[sel];
1736 m98088_eq_band(codec, 0, 0, coef_set->band1);
1737 m98088_eq_band(codec, 0, 1, coef_set->band2);
1738 m98088_eq_band(codec, 0, 2, coef_set->band3);
1739 m98088_eq_band(codec, 0, 3, coef_set->band4);
1740 m98088_eq_band(codec, 0, 4, coef_set->band5);
1742 /* Restore the original on/off state */
1743 snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, save);
1746 static void max98088_setup_eq2(struct snd_soc_codec *codec)
1748 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1749 struct max98088_pdata *pdata = max98088->pdata;
1750 struct max98088_eq_cfg *coef_set;
1751 int best, best_val, save, i, sel, fs;
1752 struct max98088_cdata *cdata;
1754 cdata = &max98088->dai[1];
1756 if (!pdata || !max98088->eq_textcnt)
1757 return;
1759 /* Find the selected configuration with nearest sample rate */
1760 fs = cdata->rate;
1762 sel = cdata->eq_sel;
1763 best = 0;
1764 best_val = INT_MAX;
1765 for (i = 0; i < pdata->eq_cfgcnt; i++) {
1766 if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1767 abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1768 best = i;
1769 best_val = abs(pdata->eq_cfg[i].rate - fs);
1773 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1774 pdata->eq_cfg[best].name,
1775 pdata->eq_cfg[best].rate, fs);
1777 /* Disable EQ while configuring, and save current on/off state */
1778 save = snd_soc_read(codec, M98088_REG_49_CFG_LEVEL);
1779 snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, 0);
1781 coef_set = &pdata->eq_cfg[sel];
1783 m98088_eq_band(codec, 1, 0, coef_set->band1);
1784 m98088_eq_band(codec, 1, 1, coef_set->band2);
1785 m98088_eq_band(codec, 1, 2, coef_set->band3);
1786 m98088_eq_band(codec, 1, 3, coef_set->band4);
1787 m98088_eq_band(codec, 1, 4, coef_set->band5);
1789 /* Restore the original on/off state */
1790 snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN,
1791 save);
1794 static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol,
1795 struct snd_ctl_elem_value *ucontrol)
1797 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1798 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1799 struct max98088_pdata *pdata = max98088->pdata;
1800 int channel = max98088_get_channel(kcontrol->id.name);
1801 struct max98088_cdata *cdata;
1802 int sel = ucontrol->value.integer.value[0];
1804 cdata = &max98088->dai[channel];
1806 if (sel >= pdata->eq_cfgcnt)
1807 return -EINVAL;
1809 cdata->eq_sel = sel;
1811 switch (channel) {
1812 case 0:
1813 max98088_setup_eq1(codec);
1814 break;
1815 case 1:
1816 max98088_setup_eq2(codec);
1817 break;
1820 return 0;
1823 static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol,
1824 struct snd_ctl_elem_value *ucontrol)
1826 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1827 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1828 int channel = max98088_get_channel(kcontrol->id.name);
1829 struct max98088_cdata *cdata;
1831 cdata = &max98088->dai[channel];
1832 ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1833 return 0;
1836 static void max98088_handle_eq_pdata(struct snd_soc_codec *codec)
1838 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1839 struct max98088_pdata *pdata = max98088->pdata;
1840 struct max98088_eq_cfg *cfg;
1841 unsigned int cfgcnt;
1842 int i, j;
1843 const char **t;
1844 int ret;
1846 struct snd_kcontrol_new controls[] = {
1847 SOC_ENUM_EXT("EQ1 Mode",
1848 max98088->eq_enum,
1849 max98088_get_eq_enum,
1850 max98088_put_eq_enum),
1851 SOC_ENUM_EXT("EQ2 Mode",
1852 max98088->eq_enum,
1853 max98088_get_eq_enum,
1854 max98088_put_eq_enum),
1857 cfg = pdata->eq_cfg;
1858 cfgcnt = pdata->eq_cfgcnt;
1860 /* Setup an array of texts for the equalizer enum.
1861 * This is based on Mark Brown's equalizer driver code.
1863 max98088->eq_textcnt = 0;
1864 max98088->eq_texts = NULL;
1865 for (i = 0; i < cfgcnt; i++) {
1866 for (j = 0; j < max98088->eq_textcnt; j++) {
1867 if (strcmp(cfg[i].name, max98088->eq_texts[j]) == 0)
1868 break;
1871 if (j != max98088->eq_textcnt)
1872 continue;
1874 /* Expand the array */
1875 t = krealloc(max98088->eq_texts,
1876 sizeof(char *) * (max98088->eq_textcnt + 1),
1877 GFP_KERNEL);
1878 if (t == NULL)
1879 continue;
1881 /* Store the new entry */
1882 t[max98088->eq_textcnt] = cfg[i].name;
1883 max98088->eq_textcnt++;
1884 max98088->eq_texts = t;
1887 /* Now point the soc_enum to .texts array items */
1888 max98088->eq_enum.texts = max98088->eq_texts;
1889 max98088->eq_enum.max = max98088->eq_textcnt;
1891 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
1892 if (ret != 0)
1893 dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
1896 static void max98088_handle_pdata(struct snd_soc_codec *codec)
1898 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1899 struct max98088_pdata *pdata = max98088->pdata;
1900 u8 regval = 0;
1902 if (!pdata) {
1903 dev_dbg(codec->dev, "No platform data\n");
1904 return;
1907 /* Configure mic for analog/digital mic mode */
1908 if (pdata->digmic_left_mode)
1909 regval |= M98088_DIGMIC_L;
1911 if (pdata->digmic_right_mode)
1912 regval |= M98088_DIGMIC_R;
1914 max98088->digmic = (regval ? 1 : 0);
1916 snd_soc_write(codec, M98088_REG_48_CFG_MIC, regval);
1918 /* Configure receiver output */
1919 regval = ((pdata->receiver_mode) ? M98088_REC_LINEMODE : 0);
1920 snd_soc_update_bits(codec, M98088_REG_2A_MIC_REC_CNTL,
1921 M98088_REC_LINEMODE_MASK, regval);
1923 /* Configure equalizers */
1924 if (pdata->eq_cfgcnt)
1925 max98088_handle_eq_pdata(codec);
1928 #ifdef CONFIG_PM
1929 static int max98088_suspend(struct snd_soc_codec *codec, pm_message_t state)
1931 max98088_set_bias_level(codec, SND_SOC_BIAS_OFF);
1933 return 0;
1936 static int max98088_resume(struct snd_soc_codec *codec)
1938 max98088_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1940 return 0;
1942 #else
1943 #define max98088_suspend NULL
1944 #define max98088_resume NULL
1945 #endif
1947 static int max98088_probe(struct snd_soc_codec *codec)
1949 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1950 struct max98088_cdata *cdata;
1951 int ret = 0;
1953 codec->cache_sync = 1;
1955 ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
1956 if (ret != 0) {
1957 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1958 return ret;
1961 /* initialize private data */
1963 max98088->sysclk = (unsigned)-1;
1964 max98088->eq_textcnt = 0;
1966 cdata = &max98088->dai[0];
1967 cdata->rate = (unsigned)-1;
1968 cdata->fmt = (unsigned)-1;
1969 cdata->eq_sel = 0;
1971 cdata = &max98088->dai[1];
1972 cdata->rate = (unsigned)-1;
1973 cdata->fmt = (unsigned)-1;
1974 cdata->eq_sel = 0;
1976 max98088->ina_state = 0;
1977 max98088->inb_state = 0;
1978 max98088->ex_mode = 0;
1979 max98088->digmic = 0;
1980 max98088->mic1pre = 0;
1981 max98088->mic2pre = 0;
1983 ret = snd_soc_read(codec, M98088_REG_FF_REV_ID);
1984 if (ret < 0) {
1985 dev_err(codec->dev, "Failed to read device revision: %d\n",
1986 ret);
1987 goto err_access;
1989 dev_info(codec->dev, "revision %c\n", ret + 'A');
1991 snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);
1993 /* initialize registers cache to hardware default */
1994 max98088_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1996 snd_soc_write(codec, M98088_REG_0F_IRQ_ENABLE, 0x00);
1998 snd_soc_write(codec, M98088_REG_22_MIX_DAC,
1999 M98088_DAI1L_TO_DACL|M98088_DAI2L_TO_DACL|
2000 M98088_DAI1R_TO_DACR|M98088_DAI2R_TO_DACR);
2002 snd_soc_write(codec, M98088_REG_4E_BIAS_CNTL, 0xF0);
2003 snd_soc_write(codec, M98088_REG_50_DAC_BIAS2, 0x0F);
2005 snd_soc_write(codec, M98088_REG_16_DAI1_IOCFG,
2006 M98088_S1NORMAL|M98088_SDATA);
2008 snd_soc_write(codec, M98088_REG_1E_DAI2_IOCFG,
2009 M98088_S2NORMAL|M98088_SDATA);
2011 max98088_handle_pdata(codec);
2013 max98088_add_widgets(codec);
2015 err_access:
2016 return ret;
2019 static int max98088_remove(struct snd_soc_codec *codec)
2021 struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
2023 max98088_set_bias_level(codec, SND_SOC_BIAS_OFF);
2024 kfree(max98088->eq_texts);
2026 return 0;
2029 static struct snd_soc_codec_driver soc_codec_dev_max98088 = {
2030 .probe = max98088_probe,
2031 .remove = max98088_remove,
2032 .suspend = max98088_suspend,
2033 .resume = max98088_resume,
2034 .set_bias_level = max98088_set_bias_level,
2035 .reg_cache_size = ARRAY_SIZE(max98088_reg),
2036 .reg_word_size = sizeof(u8),
2037 .reg_cache_default = max98088_reg,
2038 .volatile_register = max98088_volatile_register,
2041 static int max98088_i2c_probe(struct i2c_client *i2c,
2042 const struct i2c_device_id *id)
2044 struct max98088_priv *max98088;
2045 int ret;
2047 max98088 = kzalloc(sizeof(struct max98088_priv), GFP_KERNEL);
2048 if (max98088 == NULL)
2049 return -ENOMEM;
2051 max98088->devtype = id->driver_data;
2053 i2c_set_clientdata(i2c, max98088);
2054 max98088->control_data = i2c;
2055 max98088->pdata = i2c->dev.platform_data;
2057 ret = snd_soc_register_codec(&i2c->dev,
2058 &soc_codec_dev_max98088, &max98088_dai[0], 2);
2059 if (ret < 0)
2060 kfree(max98088);
2061 return ret;
2064 static int __devexit max98088_i2c_remove(struct i2c_client *client)
2066 snd_soc_unregister_codec(&client->dev);
2067 kfree(i2c_get_clientdata(client));
2068 return 0;
2071 static const struct i2c_device_id max98088_i2c_id[] = {
2072 { "max98088", MAX98088 },
2073 { "max98089", MAX98089 },
2076 MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
2078 static struct i2c_driver max98088_i2c_driver = {
2079 .driver = {
2080 .name = "max98088",
2081 .owner = THIS_MODULE,
2083 .probe = max98088_i2c_probe,
2084 .remove = __devexit_p(max98088_i2c_remove),
2085 .id_table = max98088_i2c_id,
2088 static int __init max98088_init(void)
2090 int ret;
2092 ret = i2c_add_driver(&max98088_i2c_driver);
2093 if (ret)
2094 pr_err("Failed to register max98088 I2C driver: %d\n", ret);
2096 return ret;
2098 module_init(max98088_init);
2100 static void __exit max98088_exit(void)
2102 i2c_del_driver(&max98088_i2c_driver);
2104 module_exit(max98088_exit);
2106 MODULE_DESCRIPTION("ALSA SoC MAX98088 driver");
2107 MODULE_AUTHOR("Peter Hsiang, Jesse Marroquin");
2108 MODULE_LICENSE("GPL");