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1/*
2 * max98095.c -- MAX98095 ALSA SoC Audio driver
3 *
4 * Copyright 2011 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/max98095.h>
27#include <sound/jack.h>
28#include "max98095.h"
29
30enum max98095_type {
31 MAX98095,
32};
33
34struct max98095_cdata {
35 unsigned int rate;
36 unsigned int fmt;
37 int eq_sel;
38 int bq_sel;
39};
40
41struct max98095_priv {
42 enum max98095_type devtype;
43 struct max98095_pdata *pdata;
44 unsigned int sysclk;
45 struct max98095_cdata dai[3];
46 const char **eq_texts;
47 const char **bq_texts;
48 struct soc_enum eq_enum;
49 struct soc_enum bq_enum;
50 int eq_textcnt;
51 int bq_textcnt;
52 u8 lin_state;
53 unsigned int mic1pre;
54 unsigned int mic2pre;
55 struct snd_soc_jack *headphone_jack;
56 struct snd_soc_jack *mic_jack;
57};
58
59static const u8 max98095_reg_def[M98095_REG_CNT] = {
60 0x00, /* 00 */
61 0x00, /* 01 */
62 0x00, /* 02 */
63 0x00, /* 03 */
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 */
76 0x00, /* 10 */
77 0x00, /* 11 */
78 0x00, /* 12 */
79 0x00, /* 13 */
80 0x00, /* 14 */
81 0x00, /* 15 */
82 0x00, /* 16 */
83 0x00, /* 17 */
84 0x00, /* 18 */
85 0x00, /* 19 */
86 0x00, /* 1A */
87 0x00, /* 1B */
88 0x00, /* 1C */
89 0x00, /* 1D */
90 0x00, /* 1E */
91 0x00, /* 1F */
92 0x00, /* 20 */
93 0x00, /* 21 */
94 0x00, /* 22 */
95 0x00, /* 23 */
96 0x00, /* 24 */
97 0x00, /* 25 */
98 0x00, /* 26 */
99 0x00, /* 27 */
100 0x00, /* 28 */
101 0x00, /* 29 */
102 0x00, /* 2A */
103 0x00, /* 2B */
104 0x00, /* 2C */
105 0x00, /* 2D */
106 0x00, /* 2E */
107 0x00, /* 2F */
108 0x00, /* 30 */
109 0x00, /* 31 */
110 0x00, /* 32 */
111 0x00, /* 33 */
112 0x00, /* 34 */
113 0x00, /* 35 */
114 0x00, /* 36 */
115 0x00, /* 37 */
116 0x00, /* 38 */
117 0x00, /* 39 */
118 0x00, /* 3A */
119 0x00, /* 3B */
120 0x00, /* 3C */
121 0x00, /* 3D */
122 0x00, /* 3E */
123 0x00, /* 3F */
124 0x00, /* 40 */
125 0x00, /* 41 */
126 0x00, /* 42 */
127 0x00, /* 43 */
128 0x00, /* 44 */
129 0x00, /* 45 */
130 0x00, /* 46 */
131 0x00, /* 47 */
132 0x00, /* 48 */
133 0x00, /* 49 */
134 0x00, /* 4A */
135 0x00, /* 4B */
136 0x00, /* 4C */
137 0x00, /* 4D */
138 0x00, /* 4E */
139 0x00, /* 4F */
140 0x00, /* 50 */
141 0x00, /* 51 */
142 0x00, /* 52 */
143 0x00, /* 53 */
144 0x00, /* 54 */
145 0x00, /* 55 */
146 0x00, /* 56 */
147 0x00, /* 57 */
148 0x00, /* 58 */
149 0x00, /* 59 */
150 0x00, /* 5A */
151 0x00, /* 5B */
152 0x00, /* 5C */
153 0x00, /* 5D */
154 0x00, /* 5E */
155 0x00, /* 5F */
156 0x00, /* 60 */
157 0x00, /* 61 */
158 0x00, /* 62 */
159 0x00, /* 63 */
160 0x00, /* 64 */
161 0x00, /* 65 */
162 0x00, /* 66 */
163 0x00, /* 67 */
164 0x00, /* 68 */
165 0x00, /* 69 */
166 0x00, /* 6A */
167 0x00, /* 6B */
168 0x00, /* 6C */
169 0x00, /* 6D */
170 0x00, /* 6E */
171 0x00, /* 6F */
172 0x00, /* 70 */
173 0x00, /* 71 */
174 0x00, /* 72 */
175 0x00, /* 73 */
176 0x00, /* 74 */
177 0x00, /* 75 */
178 0x00, /* 76 */
179 0x00, /* 77 */
180 0x00, /* 78 */
181 0x00, /* 79 */
182 0x00, /* 7A */
183 0x00, /* 7B */
184 0x00, /* 7C */
185 0x00, /* 7D */
186 0x00, /* 7E */
187 0x00, /* 7F */
188 0x00, /* 80 */
189 0x00, /* 81 */
190 0x00, /* 82 */
191 0x00, /* 83 */
192 0x00, /* 84 */
193 0x00, /* 85 */
194 0x00, /* 86 */
195 0x00, /* 87 */
196 0x00, /* 88 */
197 0x00, /* 89 */
198 0x00, /* 8A */
199 0x00, /* 8B */
200 0x00, /* 8C */
201 0x00, /* 8D */
202 0x00, /* 8E */
203 0x00, /* 8F */
204 0x00, /* 90 */
205 0x00, /* 91 */
206 0x30, /* 92 */
207 0xF0, /* 93 */
208 0x00, /* 94 */
209 0x00, /* 95 */
210 0x3F, /* 96 */
211 0x00, /* 97 */
212 0x00, /* 98 */
213 0x00, /* 99 */
214 0x00, /* 9A */
215 0x00, /* 9B */
216 0x00, /* 9C */
217 0x00, /* 9D */
218 0x00, /* 9E */
219 0x00, /* 9F */
220 0x00, /* A0 */
221 0x00, /* A1 */
222 0x00, /* A2 */
223 0x00, /* A3 */
224 0x00, /* A4 */
225 0x00, /* A5 */
226 0x00, /* A6 */
227 0x00, /* A7 */
228 0x00, /* A8 */
229 0x00, /* A9 */
230 0x00, /* AA */
231 0x00, /* AB */
232 0x00, /* AC */
233 0x00, /* AD */
234 0x00, /* AE */
235 0x00, /* AF */
236 0x00, /* B0 */
237 0x00, /* B1 */
238 0x00, /* B2 */
239 0x00, /* B3 */
240 0x00, /* B4 */
241 0x00, /* B5 */
242 0x00, /* B6 */
243 0x00, /* B7 */
244 0x00, /* B8 */
245 0x00, /* B9 */
246 0x00, /* BA */
247 0x00, /* BB */
248 0x00, /* BC */
249 0x00, /* BD */
250 0x00, /* BE */
251 0x00, /* BF */
252 0x00, /* C0 */
253 0x00, /* C1 */
254 0x00, /* C2 */
255 0x00, /* C3 */
256 0x00, /* C4 */
257 0x00, /* C5 */
258 0x00, /* C6 */
259 0x00, /* C7 */
260 0x00, /* C8 */
261 0x00, /* C9 */
262 0x00, /* CA */
263 0x00, /* CB */
264 0x00, /* CC */
265 0x00, /* CD */
266 0x00, /* CE */
267 0x00, /* CF */
268 0x00, /* D0 */
269 0x00, /* D1 */
270 0x00, /* D2 */
271 0x00, /* D3 */
272 0x00, /* D4 */
273 0x00, /* D5 */
274 0x00, /* D6 */
275 0x00, /* D7 */
276 0x00, /* D8 */
277 0x00, /* D9 */
278 0x00, /* DA */
279 0x00, /* DB */
280 0x00, /* DC */
281 0x00, /* DD */
282 0x00, /* DE */
283 0x00, /* DF */
284 0x00, /* E0 */
285 0x00, /* E1 */
286 0x00, /* E2 */
287 0x00, /* E3 */
288 0x00, /* E4 */
289 0x00, /* E5 */
290 0x00, /* E6 */
291 0x00, /* E7 */
292 0x00, /* E8 */
293 0x00, /* E9 */
294 0x00, /* EA */
295 0x00, /* EB */
296 0x00, /* EC */
297 0x00, /* ED */
298 0x00, /* EE */
299 0x00, /* EF */
300 0x00, /* F0 */
301 0x00, /* F1 */
302 0x00, /* F2 */
303 0x00, /* F3 */
304 0x00, /* F4 */
305 0x00, /* F5 */
306 0x00, /* F6 */
307 0x00, /* F7 */
308 0x00, /* F8 */
309 0x00, /* F9 */
310 0x00, /* FA */
311 0x00, /* FB */
312 0x00, /* FC */
313 0x00, /* FD */
314 0x00, /* FE */
315 0x00, /* FF */
316};
317
318static struct {
319 int readable;
320 int writable;
321} max98095_access[M98095_REG_CNT] = {
322 { 0x00, 0x00 }, /* 00 */
323 { 0xFF, 0x00 }, /* 01 */
324 { 0xFF, 0x00 }, /* 02 */
325 { 0xFF, 0x00 }, /* 03 */
326 { 0xFF, 0x00 }, /* 04 */
327 { 0xFF, 0x00 }, /* 05 */
328 { 0xFF, 0x00 }, /* 06 */
329 { 0xFF, 0x00 }, /* 07 */
330 { 0xFF, 0x00 }, /* 08 */
331 { 0xFF, 0x00 }, /* 09 */
332 { 0xFF, 0x00 }, /* 0A */
333 { 0xFF, 0x00 }, /* 0B */
334 { 0xFF, 0x00 }, /* 0C */
335 { 0xFF, 0x00 }, /* 0D */
336 { 0xFF, 0x00 }, /* 0E */
337 { 0xFF, 0x9F }, /* 0F */
338 { 0xFF, 0xFF }, /* 10 */
339 { 0xFF, 0xFF }, /* 11 */
340 { 0xFF, 0xFF }, /* 12 */
341 { 0xFF, 0xFF }, /* 13 */
342 { 0xFF, 0xFF }, /* 14 */
343 { 0xFF, 0xFF }, /* 15 */
344 { 0xFF, 0xFF }, /* 16 */
345 { 0xFF, 0xFF }, /* 17 */
346 { 0xFF, 0xFF }, /* 18 */
347 { 0xFF, 0xFF }, /* 19 */
348 { 0xFF, 0xFF }, /* 1A */
349 { 0xFF, 0xFF }, /* 1B */
350 { 0xFF, 0xFF }, /* 1C */
351 { 0xFF, 0xFF }, /* 1D */
352 { 0xFF, 0x77 }, /* 1E */
353 { 0xFF, 0x77 }, /* 1F */
354 { 0xFF, 0x77 }, /* 20 */
355 { 0xFF, 0x77 }, /* 21 */
356 { 0xFF, 0x77 }, /* 22 */
357 { 0xFF, 0x77 }, /* 23 */
358 { 0xFF, 0xFF }, /* 24 */
359 { 0xFF, 0x7F }, /* 25 */
360 { 0xFF, 0x31 }, /* 26 */
361 { 0xFF, 0xFF }, /* 27 */
362 { 0xFF, 0xFF }, /* 28 */
363 { 0xFF, 0xFF }, /* 29 */
364 { 0xFF, 0xF7 }, /* 2A */
365 { 0xFF, 0x2F }, /* 2B */
366 { 0xFF, 0xEF }, /* 2C */
367 { 0xFF, 0xFF }, /* 2D */
368 { 0xFF, 0xFF }, /* 2E */
369 { 0xFF, 0xFF }, /* 2F */
370 { 0xFF, 0xFF }, /* 30 */
371 { 0xFF, 0xFF }, /* 31 */
372 { 0xFF, 0xFF }, /* 32 */
373 { 0xFF, 0xFF }, /* 33 */
374 { 0xFF, 0xF7 }, /* 34 */
375 { 0xFF, 0x2F }, /* 35 */
376 { 0xFF, 0xCF }, /* 36 */
377 { 0xFF, 0xFF }, /* 37 */
378 { 0xFF, 0xFF }, /* 38 */
379 { 0xFF, 0xFF }, /* 39 */
380 { 0xFF, 0xFF }, /* 3A */
381 { 0xFF, 0xFF }, /* 3B */
382 { 0xFF, 0xFF }, /* 3C */
383 { 0xFF, 0xFF }, /* 3D */
384 { 0xFF, 0xF7 }, /* 3E */
385 { 0xFF, 0x2F }, /* 3F */
386 { 0xFF, 0xCF }, /* 40 */
387 { 0xFF, 0xFF }, /* 41 */
388 { 0xFF, 0x77 }, /* 42 */
389 { 0xFF, 0xFF }, /* 43 */
390 { 0xFF, 0xFF }, /* 44 */
391 { 0xFF, 0xFF }, /* 45 */
392 { 0xFF, 0xFF }, /* 46 */
393 { 0xFF, 0xFF }, /* 47 */
394 { 0xFF, 0xFF }, /* 48 */
395 { 0xFF, 0x0F }, /* 49 */
396 { 0xFF, 0xFF }, /* 4A */
397 { 0xFF, 0xFF }, /* 4B */
398 { 0xFF, 0x3F }, /* 4C */
399 { 0xFF, 0x3F }, /* 4D */
400 { 0xFF, 0x3F }, /* 4E */
401 { 0xFF, 0xFF }, /* 4F */
402 { 0xFF, 0x7F }, /* 50 */
403 { 0xFF, 0x7F }, /* 51 */
404 { 0xFF, 0x0F }, /* 52 */
405 { 0xFF, 0x3F }, /* 53 */
406 { 0xFF, 0x3F }, /* 54 */
407 { 0xFF, 0x3F }, /* 55 */
408 { 0xFF, 0xFF }, /* 56 */
409 { 0xFF, 0xFF }, /* 57 */
410 { 0xFF, 0xBF }, /* 58 */
411 { 0xFF, 0x1F }, /* 59 */
412 { 0xFF, 0xBF }, /* 5A */
413 { 0xFF, 0x1F }, /* 5B */
414 { 0xFF, 0xBF }, /* 5C */
415 { 0xFF, 0x3F }, /* 5D */
416 { 0xFF, 0x3F }, /* 5E */
417 { 0xFF, 0x7F }, /* 5F */
418 { 0xFF, 0x7F }, /* 60 */
419 { 0xFF, 0x47 }, /* 61 */
420 { 0xFF, 0x9F }, /* 62 */
421 { 0xFF, 0x9F }, /* 63 */
422 { 0xFF, 0x9F }, /* 64 */
423 { 0xFF, 0x9F }, /* 65 */
424 { 0xFF, 0x9F }, /* 66 */
425 { 0xFF, 0xBF }, /* 67 */
426 { 0xFF, 0xBF }, /* 68 */
427 { 0xFF, 0xFF }, /* 69 */
428 { 0xFF, 0xFF }, /* 6A */
429 { 0xFF, 0x7F }, /* 6B */
430 { 0xFF, 0xF7 }, /* 6C */
431 { 0xFF, 0xFF }, /* 6D */
432 { 0xFF, 0xFF }, /* 6E */
433 { 0xFF, 0x1F }, /* 6F */
434 { 0xFF, 0xF7 }, /* 70 */
435 { 0xFF, 0xFF }, /* 71 */
436 { 0xFF, 0xFF }, /* 72 */
437 { 0xFF, 0x1F }, /* 73 */
438 { 0xFF, 0xF7 }, /* 74 */
439 { 0xFF, 0xFF }, /* 75 */
440 { 0xFF, 0xFF }, /* 76 */
441 { 0xFF, 0x1F }, /* 77 */
442 { 0xFF, 0xF7 }, /* 78 */
443 { 0xFF, 0xFF }, /* 79 */
444 { 0xFF, 0xFF }, /* 7A */
445 { 0xFF, 0x1F }, /* 7B */
446 { 0xFF, 0xF7 }, /* 7C */
447 { 0xFF, 0xFF }, /* 7D */
448 { 0xFF, 0xFF }, /* 7E */
449 { 0xFF, 0x1F }, /* 7F */
450 { 0xFF, 0xF7 }, /* 80 */
451 { 0xFF, 0xFF }, /* 81 */
452 { 0xFF, 0xFF }, /* 82 */
453 { 0xFF, 0x1F }, /* 83 */
454 { 0xFF, 0x7F }, /* 84 */
455 { 0xFF, 0x0F }, /* 85 */
456 { 0xFF, 0xD8 }, /* 86 */
457 { 0xFF, 0xFF }, /* 87 */
458 { 0xFF, 0xEF }, /* 88 */
459 { 0xFF, 0xFE }, /* 89 */
460 { 0xFF, 0xFE }, /* 8A */
461 { 0xFF, 0xFF }, /* 8B */
462 { 0xFF, 0xFF }, /* 8C */
463 { 0xFF, 0x3F }, /* 8D */
464 { 0xFF, 0xFF }, /* 8E */
465 { 0xFF, 0x3F }, /* 8F */
466 { 0xFF, 0x8F }, /* 90 */
467 { 0xFF, 0xFF }, /* 91 */
468 { 0xFF, 0x3F }, /* 92 */
469 { 0xFF, 0xFF }, /* 93 */
470 { 0xFF, 0xFF }, /* 94 */
471 { 0xFF, 0x0F }, /* 95 */
472 { 0xFF, 0x3F }, /* 96 */
473 { 0xFF, 0x8C }, /* 97 */
474 { 0x00, 0x00 }, /* 98 */
475 { 0x00, 0x00 }, /* 99 */
476 { 0x00, 0x00 }, /* 9A */
477 { 0x00, 0x00 }, /* 9B */
478 { 0x00, 0x00 }, /* 9C */
479 { 0x00, 0x00 }, /* 9D */
480 { 0x00, 0x00 }, /* 9E */
481 { 0x00, 0x00 }, /* 9F */
482 { 0x00, 0x00 }, /* A0 */
483 { 0x00, 0x00 }, /* A1 */
484 { 0x00, 0x00 }, /* A2 */
485 { 0x00, 0x00 }, /* A3 */
486 { 0x00, 0x00 }, /* A4 */
487 { 0x00, 0x00 }, /* A5 */
488 { 0x00, 0x00 }, /* A6 */
489 { 0x00, 0x00 }, /* A7 */
490 { 0x00, 0x00 }, /* A8 */
491 { 0x00, 0x00 }, /* A9 */
492 { 0x00, 0x00 }, /* AA */
493 { 0x00, 0x00 }, /* AB */
494 { 0x00, 0x00 }, /* AC */
495 { 0x00, 0x00 }, /* AD */
496 { 0x00, 0x00 }, /* AE */
497 { 0x00, 0x00 }, /* AF */
498 { 0x00, 0x00 }, /* B0 */
499 { 0x00, 0x00 }, /* B1 */
500 { 0x00, 0x00 }, /* B2 */
501 { 0x00, 0x00 }, /* B3 */
502 { 0x00, 0x00 }, /* B4 */
503 { 0x00, 0x00 }, /* B5 */
504 { 0x00, 0x00 }, /* B6 */
505 { 0x00, 0x00 }, /* B7 */
506 { 0x00, 0x00 }, /* B8 */
507 { 0x00, 0x00 }, /* B9 */
508 { 0x00, 0x00 }, /* BA */
509 { 0x00, 0x00 }, /* BB */
510 { 0x00, 0x00 }, /* BC */
511 { 0x00, 0x00 }, /* BD */
512 { 0x00, 0x00 }, /* BE */
513 { 0x00, 0x00 }, /* BF */
514 { 0x00, 0x00 }, /* C0 */
515 { 0x00, 0x00 }, /* C1 */
516 { 0x00, 0x00 }, /* C2 */
517 { 0x00, 0x00 }, /* C3 */
518 { 0x00, 0x00 }, /* C4 */
519 { 0x00, 0x00 }, /* C5 */
520 { 0x00, 0x00 }, /* C6 */
521 { 0x00, 0x00 }, /* C7 */
522 { 0x00, 0x00 }, /* C8 */
523 { 0x00, 0x00 }, /* C9 */
524 { 0x00, 0x00 }, /* CA */
525 { 0x00, 0x00 }, /* CB */
526 { 0x00, 0x00 }, /* CC */
527 { 0x00, 0x00 }, /* CD */
528 { 0x00, 0x00 }, /* CE */
529 { 0x00, 0x00 }, /* CF */
530 { 0x00, 0x00 }, /* D0 */
531 { 0x00, 0x00 }, /* D1 */
532 { 0x00, 0x00 }, /* D2 */
533 { 0x00, 0x00 }, /* D3 */
534 { 0x00, 0x00 }, /* D4 */
535 { 0x00, 0x00 }, /* D5 */
536 { 0x00, 0x00 }, /* D6 */
537 { 0x00, 0x00 }, /* D7 */
538 { 0x00, 0x00 }, /* D8 */
539 { 0x00, 0x00 }, /* D9 */
540 { 0x00, 0x00 }, /* DA */
541 { 0x00, 0x00 }, /* DB */
542 { 0x00, 0x00 }, /* DC */
543 { 0x00, 0x00 }, /* DD */
544 { 0x00, 0x00 }, /* DE */
545 { 0x00, 0x00 }, /* DF */
546 { 0x00, 0x00 }, /* E0 */
547 { 0x00, 0x00 }, /* E1 */
548 { 0x00, 0x00 }, /* E2 */
549 { 0x00, 0x00 }, /* E3 */
550 { 0x00, 0x00 }, /* E4 */
551 { 0x00, 0x00 }, /* E5 */
552 { 0x00, 0x00 }, /* E6 */
553 { 0x00, 0x00 }, /* E7 */
554 { 0x00, 0x00 }, /* E8 */
555 { 0x00, 0x00 }, /* E9 */
556 { 0x00, 0x00 }, /* EA */
557 { 0x00, 0x00 }, /* EB */
558 { 0x00, 0x00 }, /* EC */
559 { 0x00, 0x00 }, /* ED */
560 { 0x00, 0x00 }, /* EE */
561 { 0x00, 0x00 }, /* EF */
562 { 0x00, 0x00 }, /* F0 */
563 { 0x00, 0x00 }, /* F1 */
564 { 0x00, 0x00 }, /* F2 */
565 { 0x00, 0x00 }, /* F3 */
566 { 0x00, 0x00 }, /* F4 */
567 { 0x00, 0x00 }, /* F5 */
568 { 0x00, 0x00 }, /* F6 */
569 { 0x00, 0x00 }, /* F7 */
570 { 0x00, 0x00 }, /* F8 */
571 { 0x00, 0x00 }, /* F9 */
572 { 0x00, 0x00 }, /* FA */
573 { 0x00, 0x00 }, /* FB */
574 { 0x00, 0x00 }, /* FC */
575 { 0x00, 0x00 }, /* FD */
576 { 0x00, 0x00 }, /* FE */
577 { 0xFF, 0x00 }, /* FF */
578};
579
580static int max98095_readable(struct snd_soc_codec *codec, unsigned int reg)
581{
582 if (reg >= M98095_REG_CNT)
583 return 0;
584 return max98095_access[reg].readable != 0;
585}
586
587static int max98095_volatile(struct snd_soc_codec *codec, unsigned int reg)
588{
589 if (reg > M98095_REG_MAX_CACHED)
590 return 1;
591
592 switch (reg) {
593 case M98095_000_HOST_DATA:
594 case M98095_001_HOST_INT_STS:
595 case M98095_002_HOST_RSP_STS:
596 case M98095_003_HOST_CMD_STS:
597 case M98095_004_CODEC_STS:
598 case M98095_005_DAI1_ALC_STS:
599 case M98095_006_DAI2_ALC_STS:
600 case M98095_007_JACK_AUTO_STS:
601 case M98095_008_JACK_MANUAL_STS:
602 case M98095_009_JACK_VBAT_STS:
603 case M98095_00A_ACC_ADC_STS:
604 case M98095_00B_MIC_NG_AGC_STS:
605 case M98095_00C_SPK_L_VOLT_STS:
606 case M98095_00D_SPK_R_VOLT_STS:
607 case M98095_00E_TEMP_SENSOR_STS:
608 return 1;
609 }
610
611 return 0;
612}
613
614/*
615 * Filter coefficients are in a separate register segment
616 * and they share the address space of the normal registers.
617 * The coefficient registers do not need or share the cache.
618 */
619static int max98095_hw_write(struct snd_soc_codec *codec, unsigned int reg,
620 unsigned int value)
621{
622 int ret;
623
624 codec->cache_bypass = 1;
625 ret = snd_soc_write(codec, reg, value);
626 codec->cache_bypass = 0;
627
628 return ret ? -EIO : 0;
629}
630
631/*
632 * Load equalizer DSP coefficient configurations registers
633 */
634static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai,
635 unsigned int band, u16 *coefs)
636{
637 unsigned int eq_reg;
638 unsigned int i;
639
640 BUG_ON(band > 4);
641 BUG_ON(dai > 1);
642
643 /* Load the base register address */
644 eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
645
646 /* Add the band address offset, note adjustment for word address */
647 eq_reg += band * (M98095_COEFS_PER_BAND << 1);
648
649 /* Step through the registers and coefs */
650 for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
651 max98095_hw_write(codec, eq_reg++, M98095_BYTE1(coefs[i]));
652 max98095_hw_write(codec, eq_reg++, M98095_BYTE0(coefs[i]));
653 }
654}
655
656/*
657 * Load biquad filter coefficient configurations registers
658 */
659static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai,
660 unsigned int band, u16 *coefs)
661{
662 unsigned int bq_reg;
663 unsigned int i;
664
665 BUG_ON(band > 1);
666 BUG_ON(dai > 1);
667
668 /* Load the base register address */
669 bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
670
671 /* Add the band address offset, note adjustment for word address */
672 bq_reg += band * (M98095_COEFS_PER_BAND << 1);
673
674 /* Step through the registers and coefs */
675 for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
676 max98095_hw_write(codec, bq_reg++, M98095_BYTE1(coefs[i]));
677 max98095_hw_write(codec, bq_reg++, M98095_BYTE0(coefs[i]));
678 }
679}
680
681static const char * const max98095_fltr_mode[] = { "Voice", "Music" };
682static const struct soc_enum max98095_dai1_filter_mode_enum[] = {
683 SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 7, 2, max98095_fltr_mode),
684};
685static const struct soc_enum max98095_dai2_filter_mode_enum[] = {
686 SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 7, 2, max98095_fltr_mode),
687};
688
689static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" };
690
691static const struct soc_enum max98095_extmic_enum =
692 SOC_ENUM_SINGLE(M98095_087_CFG_MIC, 0, 3, max98095_extmic_text);
693
694static const struct snd_kcontrol_new max98095_extmic_mux =
695 SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum);
696
697static const char * const max98095_linein_text[] = { "INA", "INB" };
698
699static const struct soc_enum max98095_linein_enum =
700 SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 6, 2, max98095_linein_text);
701
702static const struct snd_kcontrol_new max98095_linein_mux =
703 SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum);
704
705static const char * const max98095_line_mode_text[] = {
706 "Stereo", "Differential"};
707
708static const struct soc_enum max98095_linein_mode_enum =
709 SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 7, 2, max98095_line_mode_text);
710
711static const struct soc_enum max98095_lineout_mode_enum =
712 SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 4, 2, max98095_line_mode_text);
713
714static const char * const max98095_dai_fltr[] = {
715 "Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k",
716 "Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"};
717static const struct soc_enum max98095_dai1_dac_filter_enum[] = {
718 SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 0, 6, max98095_dai_fltr),
719};
720static const struct soc_enum max98095_dai2_dac_filter_enum[] = {
721 SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 0, 6, max98095_dai_fltr),
722};
723static const struct soc_enum max98095_dai3_dac_filter_enum[] = {
724 SOC_ENUM_SINGLE(M98095_042_DAI3_FILTERS, 0, 6, max98095_dai_fltr),
725};
726
727static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol,
728 struct snd_ctl_elem_value *ucontrol)
729{
730 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
731 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
732 unsigned int sel = ucontrol->value.integer.value[0];
733
734 max98095->mic1pre = sel;
735 snd_soc_update_bits(codec, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK,
736 (1+sel)<<M98095_MICPRE_SHIFT);
737
738 return 0;
739}
740
741static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol,
742 struct snd_ctl_elem_value *ucontrol)
743{
744 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
745 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
746
747 ucontrol->value.integer.value[0] = max98095->mic1pre;
748 return 0;
749}
750
751static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol,
752 struct snd_ctl_elem_value *ucontrol)
753{
754 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
755 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
756 unsigned int sel = ucontrol->value.integer.value[0];
757
758 max98095->mic2pre = sel;
759 snd_soc_update_bits(codec, M98095_060_LVL_MIC2, M98095_MICPRE_MASK,
760 (1+sel)<<M98095_MICPRE_SHIFT);
761
762 return 0;
763}
764
765static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol,
766 struct snd_ctl_elem_value *ucontrol)
767{
768 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
769 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
770
771 ucontrol->value.integer.value[0] = max98095->mic2pre;
772 return 0;
773}
774
775static const unsigned int max98095_micboost_tlv[] = {
776 TLV_DB_RANGE_HEAD(2),
777 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
778 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
779};
780
781static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0);
782static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0);
783static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0);
784
785static const unsigned int max98095_hp_tlv[] = {
786 TLV_DB_RANGE_HEAD(5),
787 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
788 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
789 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
790 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
791 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0),
792};
793
794static const unsigned int max98095_spk_tlv[] = {
795 TLV_DB_RANGE_HEAD(4),
796 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0),
797 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0),
798 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0),
799 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0),
800};
801
802static const unsigned int max98095_rcv_lout_tlv[] = {
803 TLV_DB_RANGE_HEAD(5),
804 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
805 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
806 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
807 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
808 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0),
809};
810
811static const unsigned int max98095_lin_tlv[] = {
812 TLV_DB_RANGE_HEAD(3),
813 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0),
814 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0),
815 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0),
816};
817
818static const struct snd_kcontrol_new max98095_snd_controls[] = {
819
820 SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L,
821 M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv),
822
823 SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L,
824 M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv),
825
826 SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV,
827 0, 31, 0, max98095_rcv_lout_tlv),
828
829 SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1,
830 M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv),
831
832 SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L,
833 M98095_065_LVL_HP_R, 7, 1, 1),
834
835 SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L,
836 M98095_068_LVL_SPK_R, 7, 1, 1),
837
838 SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1),
839
840 SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1,
841 M98095_063_LVL_LINEOUT2, 7, 1, 1),
842
843 SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1,
844 max98095_mic_tlv),
845
846 SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1,
847 max98095_mic_tlv),
848
849 SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
850 M98095_05F_LVL_MIC1, 5, 2, 0,
851 max98095_mic1pre_get, max98095_mic1pre_set,
852 max98095_micboost_tlv),
853 SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
854 M98095_060_LVL_MIC2, 5, 2, 0,
855 max98095_mic2pre_get, max98095_mic2pre_set,
856 max98095_micboost_tlv),
857
858 SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1,
859 max98095_lin_tlv),
860
861 SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1,
862 max98095_adc_tlv),
863 SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1,
864 max98095_adc_tlv),
865
866 SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0,
867 max98095_adcboost_tlv),
868 SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0,
869 max98095_adcboost_tlv),
870
871 SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0),
872 SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0),
873
874 SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0),
875 SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0),
876
877 SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum),
878 SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum),
879 SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum),
880 SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum),
881 SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum),
882
883 SOC_ENUM("Linein Mode", max98095_linein_mode_enum),
884 SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum),
885};
886
887/* Left speaker mixer switch */
888static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = {
889 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0),
890 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0),
891 SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
892 SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
893 SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0),
894 SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0),
895 SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0),
896 SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0),
897};
898
899/* Right speaker mixer switch */
900static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = {
901 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0),
902 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0),
903 SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
904 SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
905 SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0),
906 SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0),
907 SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0),
908 SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0),
909};
910
911/* Left headphone mixer switch */
912static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = {
913 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0),
914 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0),
915 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0),
916 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0),
917 SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0),
918 SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0),
919};
920
921/* Right headphone mixer switch */
922static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = {
923 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0),
924 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0),
925 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0),
926 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0),
927 SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0),
928 SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0),
929};
930
931/* Receiver earpiece mixer switch */
932static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = {
933 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0),
934 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0),
935 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0),
936 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0),
937 SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0),
938 SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0),
939};
940
941/* Left lineout mixer switch */
942static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = {
943 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0),
944 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0),
945 SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0),
946 SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0),
947 SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0),
948 SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0),
949};
950
951/* Right lineout mixer switch */
952static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = {
953 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0),
954 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0),
955 SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0),
956 SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0),
957 SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0),
958 SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0),
959};
960
961/* Left ADC mixer switch */
962static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = {
963 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0),
964 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0),
965 SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0),
966 SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0),
967};
968
969/* Right ADC mixer switch */
970static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = {
971 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0),
972 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0),
973 SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0),
974 SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0),
975};
976
977static int max98095_mic_event(struct snd_soc_dapm_widget *w,
978 struct snd_kcontrol *kcontrol, int event)
979{
980 struct snd_soc_codec *codec = w->codec;
981 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
982
983 switch (event) {
984 case SND_SOC_DAPM_POST_PMU:
985 if (w->reg == M98095_05F_LVL_MIC1) {
986 snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
987 (1+max98095->mic1pre)<<M98095_MICPRE_SHIFT);
988 } else {
989 snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
990 (1+max98095->mic2pre)<<M98095_MICPRE_SHIFT);
991 }
992 break;
993 case SND_SOC_DAPM_POST_PMD:
994 snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK, 0);
995 break;
996 default:
997 return -EINVAL;
998 }
999
1000 return 0;
1001}
1002
1003/*
1004 * The line inputs are stereo inputs with the left and right
1005 * channels sharing a common PGA power control signal.
1006 */
1007static int max98095_line_pga(struct snd_soc_dapm_widget *w,
1008 int event, u8 channel)
1009{
1010 struct snd_soc_codec *codec = w->codec;
1011 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1012 u8 *state;
1013
1014 BUG_ON(!((channel == 1) || (channel == 2)));
1015
1016 state = &max98095->lin_state;
1017
1018 switch (event) {
1019 case SND_SOC_DAPM_POST_PMU:
1020 *state |= channel;
1021 snd_soc_update_bits(codec, w->reg,
1022 (1 << w->shift), (1 << w->shift));
1023 break;
1024 case SND_SOC_DAPM_POST_PMD:
1025 *state &= ~channel;
1026 if (*state == 0) {
1027 snd_soc_update_bits(codec, w->reg,
1028 (1 << w->shift), 0);
1029 }
1030 break;
1031 default:
1032 return -EINVAL;
1033 }
1034
1035 return 0;
1036}
1037
1038static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w,
1039 struct snd_kcontrol *k, int event)
1040{
1041 return max98095_line_pga(w, event, 1);
1042}
1043
1044static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w,
1045 struct snd_kcontrol *k, int event)
1046{
1047 return max98095_line_pga(w, event, 2);
1048}
1049
1050/*
1051 * The stereo line out mixer outputs to two stereo line outs.
1052 * The 2nd pair has a separate set of enables.
1053 */
1054static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
1055 struct snd_kcontrol *kcontrol, int event)
1056{
1057 struct snd_soc_codec *codec = w->codec;
1058
1059 switch (event) {
1060 case SND_SOC_DAPM_POST_PMU:
1061 snd_soc_update_bits(codec, w->reg,
1062 (1 << (w->shift+2)), (1 << (w->shift+2)));
1063 break;
1064 case SND_SOC_DAPM_POST_PMD:
1065 snd_soc_update_bits(codec, w->reg,
1066 (1 << (w->shift+2)), 0);
1067 break;
1068 default:
1069 return -EINVAL;
1070 }
1071
1072 return 0;
1073}
1074
1075static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = {
1076
1077 SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0),
1078 SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0),
1079
1080 SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
1081 M98095_091_PWR_EN_OUT, 0, 0),
1082 SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
1083 M98095_091_PWR_EN_OUT, 1, 0),
1084 SND_SOC_DAPM_DAC("DACM2", "Aux Playback",
1085 M98095_091_PWR_EN_OUT, 2, 0),
1086 SND_SOC_DAPM_DAC("DACM3", "Voice Playback",
1087 M98095_091_PWR_EN_OUT, 2, 0),
1088
1089 SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT,
1090 6, 0, NULL, 0),
1091 SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT,
1092 7, 0, NULL, 0),
1093
1094 SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT,
1095 4, 0, NULL, 0),
1096 SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT,
1097 5, 0, NULL, 0),
1098
1099 SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT,
1100 3, 0, NULL, 0),
1101
1102 SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT,
1103 0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
1104 SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT,
1105 1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
1106
1107 SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
1108 &max98095_extmic_mux),
1109
1110 SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0,
1111 &max98095_linein_mux),
1112
1113 SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
1114 &max98095_left_hp_mixer_controls[0],
1115 ARRAY_SIZE(max98095_left_hp_mixer_controls)),
1116
1117 SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
1118 &max98095_right_hp_mixer_controls[0],
1119 ARRAY_SIZE(max98095_right_hp_mixer_controls)),
1120
1121 SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
1122 &max98095_left_speaker_mixer_controls[0],
1123 ARRAY_SIZE(max98095_left_speaker_mixer_controls)),
1124
1125 SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
1126 &max98095_right_speaker_mixer_controls[0],
1127 ARRAY_SIZE(max98095_right_speaker_mixer_controls)),
1128
1129 SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0,
1130 &max98095_mono_rcv_mixer_controls[0],
1131 ARRAY_SIZE(max98095_mono_rcv_mixer_controls)),
1132
1133 SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
1134 &max98095_left_lineout_mixer_controls[0],
1135 ARRAY_SIZE(max98095_left_lineout_mixer_controls)),
1136
1137 SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
1138 &max98095_right_lineout_mixer_controls[0],
1139 ARRAY_SIZE(max98095_right_lineout_mixer_controls)),
1140
1141 SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1142 &max98095_left_ADC_mixer_controls[0],
1143 ARRAY_SIZE(max98095_left_ADC_mixer_controls)),
1144
1145 SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1146 &max98095_right_ADC_mixer_controls[0],
1147 ARRAY_SIZE(max98095_right_ADC_mixer_controls)),
1148
1149 SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1,
1150 5, 0, NULL, 0, max98095_mic_event,
1151 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1152
1153 SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2,
1154 5, 0, NULL, 0, max98095_mic_event,
1155 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1156
1157 SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN,
1158 7, 0, NULL, 0, max98095_pga_in1_event,
1159 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1160
1161 SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN,
1162 7, 0, NULL, 0, max98095_pga_in2_event,
1163 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1164
1165 SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0),
1166 SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0),
1167
1168 SND_SOC_DAPM_OUTPUT("HPL"),
1169 SND_SOC_DAPM_OUTPUT("HPR"),
1170 SND_SOC_DAPM_OUTPUT("SPKL"),
1171 SND_SOC_DAPM_OUTPUT("SPKR"),
1172 SND_SOC_DAPM_OUTPUT("RCV"),
1173 SND_SOC_DAPM_OUTPUT("OUT1"),
1174 SND_SOC_DAPM_OUTPUT("OUT2"),
1175 SND_SOC_DAPM_OUTPUT("OUT3"),
1176 SND_SOC_DAPM_OUTPUT("OUT4"),
1177
1178 SND_SOC_DAPM_INPUT("MIC1"),
1179 SND_SOC_DAPM_INPUT("MIC2"),
1180 SND_SOC_DAPM_INPUT("INA1"),
1181 SND_SOC_DAPM_INPUT("INA2"),
1182 SND_SOC_DAPM_INPUT("INB1"),
1183 SND_SOC_DAPM_INPUT("INB2"),
1184};
1185
1186static const struct snd_soc_dapm_route max98095_audio_map[] = {
1187 /* Left headphone output mixer */
1188 {"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"},
1189 {"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"},
1190 {"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1191 {"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1192 {"Left Headphone Mixer", "IN1 Switch", "IN1 Input"},
1193 {"Left Headphone Mixer", "IN2 Switch", "IN2 Input"},
1194
1195 /* Right headphone output mixer */
1196 {"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"},
1197 {"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"},
1198 {"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1199 {"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1200 {"Right Headphone Mixer", "IN1 Switch", "IN1 Input"},
1201 {"Right Headphone Mixer", "IN2 Switch", "IN2 Input"},
1202
1203 /* Left speaker output mixer */
1204 {"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"},
1205 {"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"},
1206 {"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
1207 {"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
1208 {"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1209 {"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1210 {"Left Speaker Mixer", "IN1 Switch", "IN1 Input"},
1211 {"Left Speaker Mixer", "IN2 Switch", "IN2 Input"},
1212
1213 /* Right speaker output mixer */
1214 {"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"},
1215 {"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"},
1216 {"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
1217 {"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
1218 {"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1219 {"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1220 {"Right Speaker Mixer", "IN1 Switch", "IN1 Input"},
1221 {"Right Speaker Mixer", "IN2 Switch", "IN2 Input"},
1222
1223 /* Earpiece/Receiver output mixer */
1224 {"Receiver Mixer", "Left DAC1 Switch", "DACL1"},
1225 {"Receiver Mixer", "Right DAC1 Switch", "DACR1"},
1226 {"Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1227 {"Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1228 {"Receiver Mixer", "IN1 Switch", "IN1 Input"},
1229 {"Receiver Mixer", "IN2 Switch", "IN2 Input"},
1230
1231 /* Left Lineout output mixer */
1232 {"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"},
1233 {"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"},
1234 {"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
1235 {"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
1236 {"Left Lineout Mixer", "IN1 Switch", "IN1 Input"},
1237 {"Left Lineout Mixer", "IN2 Switch", "IN2 Input"},
1238
1239 /* Right lineout output mixer */
1240 {"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"},
1241 {"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"},
1242 {"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
1243 {"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
1244 {"Right Lineout Mixer", "IN1 Switch", "IN1 Input"},
1245 {"Right Lineout Mixer", "IN2 Switch", "IN2 Input"},
1246
1247 {"HP Left Out", NULL, "Left Headphone Mixer"},
1248 {"HP Right Out", NULL, "Right Headphone Mixer"},
1249 {"SPK Left Out", NULL, "Left Speaker Mixer"},
1250 {"SPK Right Out", NULL, "Right Speaker Mixer"},
1251 {"RCV Mono Out", NULL, "Receiver Mixer"},
1252 {"LINE Left Out", NULL, "Left Lineout Mixer"},
1253 {"LINE Right Out", NULL, "Right Lineout Mixer"},
1254
1255 {"HPL", NULL, "HP Left Out"},
1256 {"HPR", NULL, "HP Right Out"},
1257 {"SPKL", NULL, "SPK Left Out"},
1258 {"SPKR", NULL, "SPK Right Out"},
1259 {"RCV", NULL, "RCV Mono Out"},
1260 {"OUT1", NULL, "LINE Left Out"},
1261 {"OUT2", NULL, "LINE Right Out"},
1262 {"OUT3", NULL, "LINE Left Out"},
1263 {"OUT4", NULL, "LINE Right Out"},
1264
1265 /* Left ADC input mixer */
1266 {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1267 {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1268 {"Left ADC Mixer", "IN1 Switch", "IN1 Input"},
1269 {"Left ADC Mixer", "IN2 Switch", "IN2 Input"},
1270
1271 /* Right ADC input mixer */
1272 {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1273 {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1274 {"Right ADC Mixer", "IN1 Switch", "IN1 Input"},
1275 {"Right ADC Mixer", "IN2 Switch", "IN2 Input"},
1276
1277 /* Inputs */
1278 {"ADCL", NULL, "Left ADC Mixer"},
1279 {"ADCR", NULL, "Right ADC Mixer"},
1280
1281 {"IN1 Input", NULL, "INA1"},
1282 {"IN2 Input", NULL, "INA2"},
1283
1284 {"MIC1 Input", NULL, "MIC1"},
1285 {"MIC2 Input", NULL, "MIC2"},
1286};
1287
1288static int max98095_add_widgets(struct snd_soc_codec *codec)
1289{
1290 snd_soc_add_codec_controls(codec, max98095_snd_controls,
1291 ARRAY_SIZE(max98095_snd_controls));
1292
1293 return 0;
1294}
1295
1296/* codec mclk clock divider coefficients */
1297static const struct {
1298 u32 rate;
1299 u8 sr;
1300} rate_table[] = {
1301 {8000, 0x01},
1302 {11025, 0x02},
1303 {16000, 0x03},
1304 {22050, 0x04},
1305 {24000, 0x05},
1306 {32000, 0x06},
1307 {44100, 0x07},
1308 {48000, 0x08},
1309 {88200, 0x09},
1310 {96000, 0x0A},
1311};
1312
1313static int rate_value(int rate, u8 *value)
1314{
1315 int i;
1316
1317 for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
1318 if (rate_table[i].rate >= rate) {
1319 *value = rate_table[i].sr;
1320 return 0;
1321 }
1322 }
1323 *value = rate_table[0].sr;
1324 return -EINVAL;
1325}
1326
1327static int max98095_dai1_hw_params(struct snd_pcm_substream *substream,
1328 struct snd_pcm_hw_params *params,
1329 struct snd_soc_dai *dai)
1330{
1331 struct snd_soc_codec *codec = dai->codec;
1332 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1333 struct max98095_cdata *cdata;
1334 unsigned long long ni;
1335 unsigned int rate;
1336 u8 regval;
1337
1338 cdata = &max98095->dai[0];
1339
1340 rate = params_rate(params);
1341
1342 switch (params_format(params)) {
1343 case SNDRV_PCM_FORMAT_S16_LE:
1344 snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1345 M98095_DAI_WS, 0);
1346 break;
1347 case SNDRV_PCM_FORMAT_S24_LE:
1348 snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1349 M98095_DAI_WS, M98095_DAI_WS);
1350 break;
1351 default:
1352 return -EINVAL;
1353 }
1354
1355 if (rate_value(rate, ®val))
1356 return -EINVAL;
1357
1358 snd_soc_update_bits(codec, M98095_027_DAI1_CLKMODE,
1359 M98095_CLKMODE_MASK, regval);
1360 cdata->rate = rate;
1361
1362 /* Configure NI when operating as master */
1363 if (snd_soc_read(codec, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) {
1364 if (max98095->sysclk == 0) {
1365 dev_err(codec->dev, "Invalid system clock frequency\n");
1366 return -EINVAL;
1367 }
1368 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1369 * (unsigned long long int)rate;
1370 do_div(ni, (unsigned long long int)max98095->sysclk);
1371 snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
1372 (ni >> 8) & 0x7F);
1373 snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
1374 ni & 0xFF);
1375 }
1376
1377 /* Update sample rate mode */
1378 if (rate < 50000)
1379 snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
1380 M98095_DAI_DHF, 0);
1381 else
1382 snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
1383 M98095_DAI_DHF, M98095_DAI_DHF);
1384
1385 return 0;
1386}
1387
1388static int max98095_dai2_hw_params(struct snd_pcm_substream *substream,
1389 struct snd_pcm_hw_params *params,
1390 struct snd_soc_dai *dai)
1391{
1392 struct snd_soc_codec *codec = dai->codec;
1393 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1394 struct max98095_cdata *cdata;
1395 unsigned long long ni;
1396 unsigned int rate;
1397 u8 regval;
1398
1399 cdata = &max98095->dai[1];
1400
1401 rate = params_rate(params);
1402
1403 switch (params_format(params)) {
1404 case SNDRV_PCM_FORMAT_S16_LE:
1405 snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1406 M98095_DAI_WS, 0);
1407 break;
1408 case SNDRV_PCM_FORMAT_S24_LE:
1409 snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1410 M98095_DAI_WS, M98095_DAI_WS);
1411 break;
1412 default:
1413 return -EINVAL;
1414 }
1415
1416 if (rate_value(rate, ®val))
1417 return -EINVAL;
1418
1419 snd_soc_update_bits(codec, M98095_031_DAI2_CLKMODE,
1420 M98095_CLKMODE_MASK, regval);
1421 cdata->rate = rate;
1422
1423 /* Configure NI when operating as master */
1424 if (snd_soc_read(codec, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) {
1425 if (max98095->sysclk == 0) {
1426 dev_err(codec->dev, "Invalid system clock frequency\n");
1427 return -EINVAL;
1428 }
1429 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1430 * (unsigned long long int)rate;
1431 do_div(ni, (unsigned long long int)max98095->sysclk);
1432 snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
1433 (ni >> 8) & 0x7F);
1434 snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
1435 ni & 0xFF);
1436 }
1437
1438 /* Update sample rate mode */
1439 if (rate < 50000)
1440 snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
1441 M98095_DAI_DHF, 0);
1442 else
1443 snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
1444 M98095_DAI_DHF, M98095_DAI_DHF);
1445
1446 return 0;
1447}
1448
1449static int max98095_dai3_hw_params(struct snd_pcm_substream *substream,
1450 struct snd_pcm_hw_params *params,
1451 struct snd_soc_dai *dai)
1452{
1453 struct snd_soc_codec *codec = dai->codec;
1454 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1455 struct max98095_cdata *cdata;
1456 unsigned long long ni;
1457 unsigned int rate;
1458 u8 regval;
1459
1460 cdata = &max98095->dai[2];
1461
1462 rate = params_rate(params);
1463
1464 switch (params_format(params)) {
1465 case SNDRV_PCM_FORMAT_S16_LE:
1466 snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1467 M98095_DAI_WS, 0);
1468 break;
1469 case SNDRV_PCM_FORMAT_S24_LE:
1470 snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1471 M98095_DAI_WS, M98095_DAI_WS);
1472 break;
1473 default:
1474 return -EINVAL;
1475 }
1476
1477 if (rate_value(rate, ®val))
1478 return -EINVAL;
1479
1480 snd_soc_update_bits(codec, M98095_03B_DAI3_CLKMODE,
1481 M98095_CLKMODE_MASK, regval);
1482 cdata->rate = rate;
1483
1484 /* Configure NI when operating as master */
1485 if (snd_soc_read(codec, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) {
1486 if (max98095->sysclk == 0) {
1487 dev_err(codec->dev, "Invalid system clock frequency\n");
1488 return -EINVAL;
1489 }
1490 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1491 * (unsigned long long int)rate;
1492 do_div(ni, (unsigned long long int)max98095->sysclk);
1493 snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
1494 (ni >> 8) & 0x7F);
1495 snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
1496 ni & 0xFF);
1497 }
1498
1499 /* Update sample rate mode */
1500 if (rate < 50000)
1501 snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
1502 M98095_DAI_DHF, 0);
1503 else
1504 snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
1505 M98095_DAI_DHF, M98095_DAI_DHF);
1506
1507 return 0;
1508}
1509
1510static int max98095_dai_set_sysclk(struct snd_soc_dai *dai,
1511 int clk_id, unsigned int freq, int dir)
1512{
1513 struct snd_soc_codec *codec = dai->codec;
1514 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1515
1516 /* Requested clock frequency is already setup */
1517 if (freq == max98095->sysclk)
1518 return 0;
1519
1520 /* Setup clocks for slave mode, and using the PLL
1521 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1522 * 0x02 (when master clk is 20MHz to 40MHz)..
1523 * 0x03 (when master clk is 40MHz to 60MHz)..
1524 */
1525 if ((freq >= 10000000) && (freq < 20000000)) {
1526 snd_soc_write(codec, M98095_026_SYS_CLK, 0x10);
1527 } else if ((freq >= 20000000) && (freq < 40000000)) {
1528 snd_soc_write(codec, M98095_026_SYS_CLK, 0x20);
1529 } else if ((freq >= 40000000) && (freq < 60000000)) {
1530 snd_soc_write(codec, M98095_026_SYS_CLK, 0x30);
1531 } else {
1532 dev_err(codec->dev, "Invalid master clock frequency\n");
1533 return -EINVAL;
1534 }
1535
1536 dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1537
1538 max98095->sysclk = freq;
1539 return 0;
1540}
1541
1542static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1543 unsigned int fmt)
1544{
1545 struct snd_soc_codec *codec = codec_dai->codec;
1546 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1547 struct max98095_cdata *cdata;
1548 u8 regval = 0;
1549
1550 cdata = &max98095->dai[0];
1551
1552 if (fmt != cdata->fmt) {
1553 cdata->fmt = fmt;
1554
1555 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1556 case SND_SOC_DAIFMT_CBS_CFS:
1557 /* Slave mode PLL */
1558 snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
1559 0x80);
1560 snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
1561 0x00);
1562 break;
1563 case SND_SOC_DAIFMT_CBM_CFM:
1564 /* Set to master mode */
1565 regval |= M98095_DAI_MAS;
1566 break;
1567 case SND_SOC_DAIFMT_CBS_CFM:
1568 case SND_SOC_DAIFMT_CBM_CFS:
1569 default:
1570 dev_err(codec->dev, "Clock mode unsupported");
1571 return -EINVAL;
1572 }
1573
1574 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1575 case SND_SOC_DAIFMT_I2S:
1576 regval |= M98095_DAI_DLY;
1577 break;
1578 case SND_SOC_DAIFMT_LEFT_J:
1579 break;
1580 default:
1581 return -EINVAL;
1582 }
1583
1584 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1585 case SND_SOC_DAIFMT_NB_NF:
1586 break;
1587 case SND_SOC_DAIFMT_NB_IF:
1588 regval |= M98095_DAI_WCI;
1589 break;
1590 case SND_SOC_DAIFMT_IB_NF:
1591 regval |= M98095_DAI_BCI;
1592 break;
1593 case SND_SOC_DAIFMT_IB_IF:
1594 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1595 break;
1596 default:
1597 return -EINVAL;
1598 }
1599
1600 snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1601 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1602 M98095_DAI_WCI, regval);
1603
1604 snd_soc_write(codec, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
1605 }
1606
1607 return 0;
1608}
1609
1610static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1611 unsigned int fmt)
1612{
1613 struct snd_soc_codec *codec = codec_dai->codec;
1614 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1615 struct max98095_cdata *cdata;
1616 u8 regval = 0;
1617
1618 cdata = &max98095->dai[1];
1619
1620 if (fmt != cdata->fmt) {
1621 cdata->fmt = fmt;
1622
1623 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1624 case SND_SOC_DAIFMT_CBS_CFS:
1625 /* Slave mode PLL */
1626 snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
1627 0x80);
1628 snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
1629 0x00);
1630 break;
1631 case SND_SOC_DAIFMT_CBM_CFM:
1632 /* Set to master mode */
1633 regval |= M98095_DAI_MAS;
1634 break;
1635 case SND_SOC_DAIFMT_CBS_CFM:
1636 case SND_SOC_DAIFMT_CBM_CFS:
1637 default:
1638 dev_err(codec->dev, "Clock mode unsupported");
1639 return -EINVAL;
1640 }
1641
1642 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1643 case SND_SOC_DAIFMT_I2S:
1644 regval |= M98095_DAI_DLY;
1645 break;
1646 case SND_SOC_DAIFMT_LEFT_J:
1647 break;
1648 default:
1649 return -EINVAL;
1650 }
1651
1652 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1653 case SND_SOC_DAIFMT_NB_NF:
1654 break;
1655 case SND_SOC_DAIFMT_NB_IF:
1656 regval |= M98095_DAI_WCI;
1657 break;
1658 case SND_SOC_DAIFMT_IB_NF:
1659 regval |= M98095_DAI_BCI;
1660 break;
1661 case SND_SOC_DAIFMT_IB_IF:
1662 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1663 break;
1664 default:
1665 return -EINVAL;
1666 }
1667
1668 snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1669 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1670 M98095_DAI_WCI, regval);
1671
1672 snd_soc_write(codec, M98095_035_DAI2_CLOCK,
1673 M98095_DAI_BSEL64);
1674 }
1675
1676 return 0;
1677}
1678
1679static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
1680 unsigned int fmt)
1681{
1682 struct snd_soc_codec *codec = codec_dai->codec;
1683 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1684 struct max98095_cdata *cdata;
1685 u8 regval = 0;
1686
1687 cdata = &max98095->dai[2];
1688
1689 if (fmt != cdata->fmt) {
1690 cdata->fmt = fmt;
1691
1692 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1693 case SND_SOC_DAIFMT_CBS_CFS:
1694 /* Slave mode PLL */
1695 snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
1696 0x80);
1697 snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
1698 0x00);
1699 break;
1700 case SND_SOC_DAIFMT_CBM_CFM:
1701 /* Set to master mode */
1702 regval |= M98095_DAI_MAS;
1703 break;
1704 case SND_SOC_DAIFMT_CBS_CFM:
1705 case SND_SOC_DAIFMT_CBM_CFS:
1706 default:
1707 dev_err(codec->dev, "Clock mode unsupported");
1708 return -EINVAL;
1709 }
1710
1711 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1712 case SND_SOC_DAIFMT_I2S:
1713 regval |= M98095_DAI_DLY;
1714 break;
1715 case SND_SOC_DAIFMT_LEFT_J:
1716 break;
1717 default:
1718 return -EINVAL;
1719 }
1720
1721 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1722 case SND_SOC_DAIFMT_NB_NF:
1723 break;
1724 case SND_SOC_DAIFMT_NB_IF:
1725 regval |= M98095_DAI_WCI;
1726 break;
1727 case SND_SOC_DAIFMT_IB_NF:
1728 regval |= M98095_DAI_BCI;
1729 break;
1730 case SND_SOC_DAIFMT_IB_IF:
1731 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1732 break;
1733 default:
1734 return -EINVAL;
1735 }
1736
1737 snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1738 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1739 M98095_DAI_WCI, regval);
1740
1741 snd_soc_write(codec, M98095_03F_DAI3_CLOCK,
1742 M98095_DAI_BSEL64);
1743 }
1744
1745 return 0;
1746}
1747
1748static int max98095_set_bias_level(struct snd_soc_codec *codec,
1749 enum snd_soc_bias_level level)
1750{
1751 int ret;
1752
1753 switch (level) {
1754 case SND_SOC_BIAS_ON:
1755 break;
1756
1757 case SND_SOC_BIAS_PREPARE:
1758 break;
1759
1760 case SND_SOC_BIAS_STANDBY:
1761 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1762 ret = snd_soc_cache_sync(codec);
1763
1764 if (ret != 0) {
1765 dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
1766 return ret;
1767 }
1768 }
1769
1770 snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1771 M98095_MBEN, M98095_MBEN);
1772 break;
1773
1774 case SND_SOC_BIAS_OFF:
1775 snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1776 M98095_MBEN, 0);
1777 codec->cache_sync = 1;
1778 break;
1779 }
1780 codec->dapm.bias_level = level;
1781 return 0;
1782}
1783
1784#define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
1785#define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1786
1787static const struct snd_soc_dai_ops max98095_dai1_ops = {
1788 .set_sysclk = max98095_dai_set_sysclk,
1789 .set_fmt = max98095_dai1_set_fmt,
1790 .hw_params = max98095_dai1_hw_params,
1791};
1792
1793static const struct snd_soc_dai_ops max98095_dai2_ops = {
1794 .set_sysclk = max98095_dai_set_sysclk,
1795 .set_fmt = max98095_dai2_set_fmt,
1796 .hw_params = max98095_dai2_hw_params,
1797};
1798
1799static const struct snd_soc_dai_ops max98095_dai3_ops = {
1800 .set_sysclk = max98095_dai_set_sysclk,
1801 .set_fmt = max98095_dai3_set_fmt,
1802 .hw_params = max98095_dai3_hw_params,
1803};
1804
1805static struct snd_soc_dai_driver max98095_dai[] = {
1806{
1807 .name = "HiFi",
1808 .playback = {
1809 .stream_name = "HiFi Playback",
1810 .channels_min = 1,
1811 .channels_max = 2,
1812 .rates = MAX98095_RATES,
1813 .formats = MAX98095_FORMATS,
1814 },
1815 .capture = {
1816 .stream_name = "HiFi Capture",
1817 .channels_min = 1,
1818 .channels_max = 2,
1819 .rates = MAX98095_RATES,
1820 .formats = MAX98095_FORMATS,
1821 },
1822 .ops = &max98095_dai1_ops,
1823},
1824{
1825 .name = "Aux",
1826 .playback = {
1827 .stream_name = "Aux Playback",
1828 .channels_min = 1,
1829 .channels_max = 1,
1830 .rates = MAX98095_RATES,
1831 .formats = MAX98095_FORMATS,
1832 },
1833 .ops = &max98095_dai2_ops,
1834},
1835{
1836 .name = "Voice",
1837 .playback = {
1838 .stream_name = "Voice Playback",
1839 .channels_min = 1,
1840 .channels_max = 1,
1841 .rates = MAX98095_RATES,
1842 .formats = MAX98095_FORMATS,
1843 },
1844 .ops = &max98095_dai3_ops,
1845}
1846
1847};
1848
1849static int max98095_get_eq_channel(const char *name)
1850{
1851 if (strcmp(name, "EQ1 Mode") == 0)
1852 return 0;
1853 if (strcmp(name, "EQ2 Mode") == 0)
1854 return 1;
1855 return -EINVAL;
1856}
1857
1858static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
1859 struct snd_ctl_elem_value *ucontrol)
1860{
1861 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1862 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1863 struct max98095_pdata *pdata = max98095->pdata;
1864 int channel = max98095_get_eq_channel(kcontrol->id.name);
1865 struct max98095_cdata *cdata;
1866 int sel = ucontrol->value.integer.value[0];
1867 struct max98095_eq_cfg *coef_set;
1868 int fs, best, best_val, i;
1869 int regmask, regsave;
1870
1871 BUG_ON(channel > 1);
1872
1873 if (!pdata || !max98095->eq_textcnt)
1874 return 0;
1875
1876 if (sel >= pdata->eq_cfgcnt)
1877 return -EINVAL;
1878
1879 cdata = &max98095->dai[channel];
1880 cdata->eq_sel = sel;
1881 fs = cdata->rate;
1882
1883 /* Find the selected configuration with nearest sample rate */
1884 best = 0;
1885 best_val = INT_MAX;
1886 for (i = 0; i < pdata->eq_cfgcnt; i++) {
1887 if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
1888 abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1889 best = i;
1890 best_val = abs(pdata->eq_cfg[i].rate - fs);
1891 }
1892 }
1893
1894 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1895 pdata->eq_cfg[best].name,
1896 pdata->eq_cfg[best].rate, fs);
1897
1898 coef_set = &pdata->eq_cfg[best];
1899
1900 regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
1901
1902 /* Disable filter while configuring, and save current on/off state */
1903 regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
1904 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
1905
1906 mutex_lock(&codec->mutex);
1907 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1908 m98095_eq_band(codec, channel, 0, coef_set->band1);
1909 m98095_eq_band(codec, channel, 1, coef_set->band2);
1910 m98095_eq_band(codec, channel, 2, coef_set->band3);
1911 m98095_eq_band(codec, channel, 3, coef_set->band4);
1912 m98095_eq_band(codec, channel, 4, coef_set->band5);
1913 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
1914 mutex_unlock(&codec->mutex);
1915
1916 /* Restore the original on/off state */
1917 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
1918 return 0;
1919}
1920
1921static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
1922 struct snd_ctl_elem_value *ucontrol)
1923{
1924 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1925 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1926 int channel = max98095_get_eq_channel(kcontrol->id.name);
1927 struct max98095_cdata *cdata;
1928
1929 cdata = &max98095->dai[channel];
1930 ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1931
1932 return 0;
1933}
1934
1935static void max98095_handle_eq_pdata(struct snd_soc_codec *codec)
1936{
1937 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1938 struct max98095_pdata *pdata = max98095->pdata;
1939 struct max98095_eq_cfg *cfg;
1940 unsigned int cfgcnt;
1941 int i, j;
1942 const char **t;
1943 int ret;
1944
1945 struct snd_kcontrol_new controls[] = {
1946 SOC_ENUM_EXT("EQ1 Mode",
1947 max98095->eq_enum,
1948 max98095_get_eq_enum,
1949 max98095_put_eq_enum),
1950 SOC_ENUM_EXT("EQ2 Mode",
1951 max98095->eq_enum,
1952 max98095_get_eq_enum,
1953 max98095_put_eq_enum),
1954 };
1955
1956 cfg = pdata->eq_cfg;
1957 cfgcnt = pdata->eq_cfgcnt;
1958
1959 /* Setup an array of texts for the equalizer enum.
1960 * This is based on Mark Brown's equalizer driver code.
1961 */
1962 max98095->eq_textcnt = 0;
1963 max98095->eq_texts = NULL;
1964 for (i = 0; i < cfgcnt; i++) {
1965 for (j = 0; j < max98095->eq_textcnt; j++) {
1966 if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
1967 break;
1968 }
1969
1970 if (j != max98095->eq_textcnt)
1971 continue;
1972
1973 /* Expand the array */
1974 t = krealloc(max98095->eq_texts,
1975 sizeof(char *) * (max98095->eq_textcnt + 1),
1976 GFP_KERNEL);
1977 if (t == NULL)
1978 continue;
1979
1980 /* Store the new entry */
1981 t[max98095->eq_textcnt] = cfg[i].name;
1982 max98095->eq_textcnt++;
1983 max98095->eq_texts = t;
1984 }
1985
1986 /* Now point the soc_enum to .texts array items */
1987 max98095->eq_enum.texts = max98095->eq_texts;
1988 max98095->eq_enum.max = max98095->eq_textcnt;
1989
1990 ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
1991 if (ret != 0)
1992 dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
1993}
1994
1995static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"};
1996
1997static int max98095_get_bq_channel(struct snd_soc_codec *codec,
1998 const char *name)
1999{
2000 int i;
2001
2002 for (i = 0; i < ARRAY_SIZE(bq_mode_name); i++)
2003 if (strcmp(name, bq_mode_name[i]) == 0)
2004 return i;
2005
2006 /* Shouldn't happen */
2007 dev_err(codec->dev, "Bad biquad channel name '%s'\n", name);
2008 return -EINVAL;
2009}
2010
2011static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
2012 struct snd_ctl_elem_value *ucontrol)
2013{
2014 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2015 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2016 struct max98095_pdata *pdata = max98095->pdata;
2017 int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
2018 struct max98095_cdata *cdata;
2019 int sel = ucontrol->value.integer.value[0];
2020 struct max98095_biquad_cfg *coef_set;
2021 int fs, best, best_val, i;
2022 int regmask, regsave;
2023
2024 if (channel < 0)
2025 return channel;
2026
2027 if (!pdata || !max98095->bq_textcnt)
2028 return 0;
2029
2030 if (sel >= pdata->bq_cfgcnt)
2031 return -EINVAL;
2032
2033 cdata = &max98095->dai[channel];
2034 cdata->bq_sel = sel;
2035 fs = cdata->rate;
2036
2037 /* Find the selected configuration with nearest sample rate */
2038 best = 0;
2039 best_val = INT_MAX;
2040 for (i = 0; i < pdata->bq_cfgcnt; i++) {
2041 if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
2042 abs(pdata->bq_cfg[i].rate - fs) < best_val) {
2043 best = i;
2044 best_val = abs(pdata->bq_cfg[i].rate - fs);
2045 }
2046 }
2047
2048 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
2049 pdata->bq_cfg[best].name,
2050 pdata->bq_cfg[best].rate, fs);
2051
2052 coef_set = &pdata->bq_cfg[best];
2053
2054 regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
2055
2056 /* Disable filter while configuring, and save current on/off state */
2057 regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
2058 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
2059
2060 mutex_lock(&codec->mutex);
2061 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
2062 m98095_biquad_band(codec, channel, 0, coef_set->band1);
2063 m98095_biquad_band(codec, channel, 1, coef_set->band2);
2064 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
2065 mutex_unlock(&codec->mutex);
2066
2067 /* Restore the original on/off state */
2068 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
2069 return 0;
2070}
2071
2072static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
2073 struct snd_ctl_elem_value *ucontrol)
2074{
2075 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2076 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2077 int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
2078 struct max98095_cdata *cdata;
2079
2080 if (channel < 0)
2081 return channel;
2082
2083 cdata = &max98095->dai[channel];
2084 ucontrol->value.enumerated.item[0] = cdata->bq_sel;
2085
2086 return 0;
2087}
2088
2089static void max98095_handle_bq_pdata(struct snd_soc_codec *codec)
2090{
2091 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2092 struct max98095_pdata *pdata = max98095->pdata;
2093 struct max98095_biquad_cfg *cfg;
2094 unsigned int cfgcnt;
2095 int i, j;
2096 const char **t;
2097 int ret;
2098
2099 struct snd_kcontrol_new controls[] = {
2100 SOC_ENUM_EXT((char *)bq_mode_name[0],
2101 max98095->bq_enum,
2102 max98095_get_bq_enum,
2103 max98095_put_bq_enum),
2104 SOC_ENUM_EXT((char *)bq_mode_name[1],
2105 max98095->bq_enum,
2106 max98095_get_bq_enum,
2107 max98095_put_bq_enum),
2108 };
2109 BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name));
2110
2111 cfg = pdata->bq_cfg;
2112 cfgcnt = pdata->bq_cfgcnt;
2113
2114 /* Setup an array of texts for the biquad enum.
2115 * This is based on Mark Brown's equalizer driver code.
2116 */
2117 max98095->bq_textcnt = 0;
2118 max98095->bq_texts = NULL;
2119 for (i = 0; i < cfgcnt; i++) {
2120 for (j = 0; j < max98095->bq_textcnt; j++) {
2121 if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
2122 break;
2123 }
2124
2125 if (j != max98095->bq_textcnt)
2126 continue;
2127
2128 /* Expand the array */
2129 t = krealloc(max98095->bq_texts,
2130 sizeof(char *) * (max98095->bq_textcnt + 1),
2131 GFP_KERNEL);
2132 if (t == NULL)
2133 continue;
2134
2135 /* Store the new entry */
2136 t[max98095->bq_textcnt] = cfg[i].name;
2137 max98095->bq_textcnt++;
2138 max98095->bq_texts = t;
2139 }
2140
2141 /* Now point the soc_enum to .texts array items */
2142 max98095->bq_enum.texts = max98095->bq_texts;
2143 max98095->bq_enum.max = max98095->bq_textcnt;
2144
2145 ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2146 if (ret != 0)
2147 dev_err(codec->dev, "Failed to add Biquad control: %d\n", ret);
2148}
2149
2150static void max98095_handle_pdata(struct snd_soc_codec *codec)
2151{
2152 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2153 struct max98095_pdata *pdata = max98095->pdata;
2154 u8 regval = 0;
2155
2156 if (!pdata) {
2157 dev_dbg(codec->dev, "No platform data\n");
2158 return;
2159 }
2160
2161 /* Configure mic for analog/digital mic mode */
2162 if (pdata->digmic_left_mode)
2163 regval |= M98095_DIGMIC_L;
2164
2165 if (pdata->digmic_right_mode)
2166 regval |= M98095_DIGMIC_R;
2167
2168 snd_soc_write(codec, M98095_087_CFG_MIC, regval);
2169
2170 /* Configure equalizers */
2171 if (pdata->eq_cfgcnt)
2172 max98095_handle_eq_pdata(codec);
2173
2174 /* Configure bi-quad filters */
2175 if (pdata->bq_cfgcnt)
2176 max98095_handle_bq_pdata(codec);
2177}
2178
2179static irqreturn_t max98095_report_jack(int irq, void *data)
2180{
2181 struct snd_soc_codec *codec = data;
2182 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2183 unsigned int value;
2184 int hp_report = 0;
2185 int mic_report = 0;
2186
2187 /* Read the Jack Status Register */
2188 value = snd_soc_read(codec, M98095_007_JACK_AUTO_STS);
2189
2190 /* If ddone is not set, then detection isn't finished yet */
2191 if ((value & M98095_DDONE) == 0)
2192 return IRQ_NONE;
2193
2194 /* if hp, check its bit, and if set, clear it */
2195 if ((value & M98095_HP_IN || value & M98095_LO_IN) &&
2196 max98095->headphone_jack)
2197 hp_report |= SND_JACK_HEADPHONE;
2198
2199 /* if mic, check its bit, and if set, clear it */
2200 if ((value & M98095_MIC_IN) && max98095->mic_jack)
2201 mic_report |= SND_JACK_MICROPHONE;
2202
2203 if (max98095->headphone_jack == max98095->mic_jack) {
2204 snd_soc_jack_report(max98095->headphone_jack,
2205 hp_report | mic_report,
2206 SND_JACK_HEADSET);
2207 } else {
2208 if (max98095->headphone_jack)
2209 snd_soc_jack_report(max98095->headphone_jack,
2210 hp_report, SND_JACK_HEADPHONE);
2211 if (max98095->mic_jack)
2212 snd_soc_jack_report(max98095->mic_jack,
2213 mic_report, SND_JACK_MICROPHONE);
2214 }
2215
2216 return IRQ_HANDLED;
2217}
2218
2219int max98095_jack_detect_enable(struct snd_soc_codec *codec)
2220{
2221 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2222 int ret = 0;
2223 int detect_enable = M98095_JDEN;
2224 unsigned int slew = M98095_DEFAULT_SLEW_DELAY;
2225
2226 if (max98095->pdata->jack_detect_pin5en)
2227 detect_enable |= M98095_PIN5EN;
2228
2229 if (max98095->pdata->jack_detect_delay)
2230 slew = max98095->pdata->jack_detect_delay;
2231
2232 ret = snd_soc_write(codec, M98095_08E_JACK_DC_SLEW, slew);
2233 if (ret < 0) {
2234 dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
2235 return ret;
2236 }
2237
2238 /* configure auto detection to be enabled */
2239 ret = snd_soc_write(codec, M98095_089_JACK_DET_AUTO, detect_enable);
2240 if (ret < 0) {
2241 dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
2242 return ret;
2243 }
2244
2245 return ret;
2246}
2247
2248int max98095_jack_detect_disable(struct snd_soc_codec *codec)
2249{
2250 int ret = 0;
2251
2252 /* configure auto detection to be disabled */
2253 ret = snd_soc_write(codec, M98095_089_JACK_DET_AUTO, 0x0);
2254 if (ret < 0) {
2255 dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
2256 return ret;
2257 }
2258
2259 return ret;
2260}
2261
2262int max98095_jack_detect(struct snd_soc_codec *codec,
2263 struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack)
2264{
2265 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2266 struct i2c_client *client = to_i2c_client(codec->dev);
2267 int ret = 0;
2268
2269 max98095->headphone_jack = hp_jack;
2270 max98095->mic_jack = mic_jack;
2271
2272 /* only progress if we have at least 1 jack pointer */
2273 if (!hp_jack && !mic_jack)
2274 return -EINVAL;
2275
2276 max98095_jack_detect_enable(codec);
2277
2278 /* enable interrupts for headphone jack detection */
2279 ret = snd_soc_update_bits(codec, M98095_013_JACK_INT_EN,
2280 M98095_IDDONE, M98095_IDDONE);
2281 if (ret < 0) {
2282 dev_err(codec->dev, "Failed to cfg jack irqs %d\n", ret);
2283 return ret;
2284 }
2285
2286 max98095_report_jack(client->irq, codec);
2287 return 0;
2288}
2289
2290#ifdef CONFIG_PM
2291static int max98095_suspend(struct snd_soc_codec *codec)
2292{
2293 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2294
2295 if (max98095->headphone_jack || max98095->mic_jack)
2296 max98095_jack_detect_disable(codec);
2297
2298 max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
2299
2300 return 0;
2301}
2302
2303static int max98095_resume(struct snd_soc_codec *codec)
2304{
2305 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2306 struct i2c_client *client = to_i2c_client(codec->dev);
2307
2308 max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2309
2310 if (max98095->headphone_jack || max98095->mic_jack) {
2311 max98095_jack_detect_enable(codec);
2312 max98095_report_jack(client->irq, codec);
2313 }
2314
2315 return 0;
2316}
2317#else
2318#define max98095_suspend NULL
2319#define max98095_resume NULL
2320#endif
2321
2322static int max98095_reset(struct snd_soc_codec *codec)
2323{
2324 int i, ret;
2325
2326 /* Gracefully reset the DSP core and the codec hardware
2327 * in a proper sequence */
2328 ret = snd_soc_write(codec, M98095_00F_HOST_CFG, 0);
2329 if (ret < 0) {
2330 dev_err(codec->dev, "Failed to reset DSP: %d\n", ret);
2331 return ret;
2332 }
2333
2334 ret = snd_soc_write(codec, M98095_097_PWR_SYS, 0);
2335 if (ret < 0) {
2336 dev_err(codec->dev, "Failed to reset codec: %d\n", ret);
2337 return ret;
2338 }
2339
2340 /* Reset to hardware default for registers, as there is not
2341 * a soft reset hardware control register */
2342 for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
2343 ret = snd_soc_write(codec, i, max98095_reg_def[i]);
2344 if (ret < 0) {
2345 dev_err(codec->dev, "Failed to reset: %d\n", ret);
2346 return ret;
2347 }
2348 }
2349
2350 return ret;
2351}
2352
2353static int max98095_probe(struct snd_soc_codec *codec)
2354{
2355 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2356 struct max98095_cdata *cdata;
2357 struct i2c_client *client;
2358 int ret = 0;
2359
2360 ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
2361 if (ret != 0) {
2362 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2363 return ret;
2364 }
2365
2366 /* reset the codec, the DSP core, and disable all interrupts */
2367 max98095_reset(codec);
2368
2369 client = to_i2c_client(codec->dev);
2370
2371 /* initialize private data */
2372
2373 max98095->sysclk = (unsigned)-1;
2374 max98095->eq_textcnt = 0;
2375 max98095->bq_textcnt = 0;
2376
2377 cdata = &max98095->dai[0];
2378 cdata->rate = (unsigned)-1;
2379 cdata->fmt = (unsigned)-1;
2380 cdata->eq_sel = 0;
2381 cdata->bq_sel = 0;
2382
2383 cdata = &max98095->dai[1];
2384 cdata->rate = (unsigned)-1;
2385 cdata->fmt = (unsigned)-1;
2386 cdata->eq_sel = 0;
2387 cdata->bq_sel = 0;
2388
2389 cdata = &max98095->dai[2];
2390 cdata->rate = (unsigned)-1;
2391 cdata->fmt = (unsigned)-1;
2392 cdata->eq_sel = 0;
2393 cdata->bq_sel = 0;
2394
2395 max98095->lin_state = 0;
2396 max98095->mic1pre = 0;
2397 max98095->mic2pre = 0;
2398
2399 if (client->irq) {
2400 /* register an audio interrupt */
2401 ret = request_threaded_irq(client->irq, NULL,
2402 max98095_report_jack,
2403 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
2404 "max98095", codec);
2405 if (ret) {
2406 dev_err(codec->dev, "Failed to request IRQ: %d\n", ret);
2407 goto err_access;
2408 }
2409 }
2410
2411 ret = snd_soc_read(codec, M98095_0FF_REV_ID);
2412 if (ret < 0) {
2413 dev_err(codec->dev, "Failure reading hardware revision: %d\n",
2414 ret);
2415 goto err_irq;
2416 }
2417 dev_info(codec->dev, "Hardware revision: %c\n", ret - 0x40 + 'A');
2418
2419 snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV);
2420
2421 /* initialize registers cache to hardware default */
2422 max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2423
2424 snd_soc_write(codec, M98095_048_MIX_DAC_LR,
2425 M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
2426
2427 snd_soc_write(codec, M98095_049_MIX_DAC_M,
2428 M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
2429
2430 snd_soc_write(codec, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
2431 snd_soc_write(codec, M98095_045_CFG_DSP, M98095_DSPNORMAL);
2432 snd_soc_write(codec, M98095_04E_CFG_HP, M98095_HPNORMAL);
2433
2434 snd_soc_write(codec, M98095_02C_DAI1_IOCFG,
2435 M98095_S1NORMAL|M98095_SDATA);
2436
2437 snd_soc_write(codec, M98095_036_DAI2_IOCFG,
2438 M98095_S2NORMAL|M98095_SDATA);
2439
2440 snd_soc_write(codec, M98095_040_DAI3_IOCFG,
2441 M98095_S3NORMAL|M98095_SDATA);
2442
2443 max98095_handle_pdata(codec);
2444
2445 /* take the codec out of the shut down */
2446 snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN,
2447 M98095_SHDNRUN);
2448
2449 max98095_add_widgets(codec);
2450
2451 return 0;
2452
2453err_irq:
2454 if (client->irq)
2455 free_irq(client->irq, codec);
2456err_access:
2457 return ret;
2458}
2459
2460static int max98095_remove(struct snd_soc_codec *codec)
2461{
2462 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2463 struct i2c_client *client = to_i2c_client(codec->dev);
2464
2465 max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
2466
2467 if (max98095->headphone_jack || max98095->mic_jack)
2468 max98095_jack_detect_disable(codec);
2469
2470 if (client->irq)
2471 free_irq(client->irq, codec);
2472
2473 return 0;
2474}
2475
2476static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
2477 .probe = max98095_probe,
2478 .remove = max98095_remove,
2479 .suspend = max98095_suspend,
2480 .resume = max98095_resume,
2481 .set_bias_level = max98095_set_bias_level,
2482 .reg_cache_size = ARRAY_SIZE(max98095_reg_def),
2483 .reg_word_size = sizeof(u8),
2484 .reg_cache_default = max98095_reg_def,
2485 .readable_register = max98095_readable,
2486 .volatile_register = max98095_volatile,
2487 .dapm_widgets = max98095_dapm_widgets,
2488 .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
2489 .dapm_routes = max98095_audio_map,
2490 .num_dapm_routes = ARRAY_SIZE(max98095_audio_map),
2491};
2492
2493static int max98095_i2c_probe(struct i2c_client *i2c,
2494 const struct i2c_device_id *id)
2495{
2496 struct max98095_priv *max98095;
2497 int ret;
2498
2499 max98095 = devm_kzalloc(&i2c->dev, sizeof(struct max98095_priv),
2500 GFP_KERNEL);
2501 if (max98095 == NULL)
2502 return -ENOMEM;
2503
2504 max98095->devtype = id->driver_data;
2505 i2c_set_clientdata(i2c, max98095);
2506 max98095->pdata = i2c->dev.platform_data;
2507
2508 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98095,
2509 max98095_dai, ARRAY_SIZE(max98095_dai));
2510 return ret;
2511}
2512
2513static int __devexit max98095_i2c_remove(struct i2c_client *client)
2514{
2515 snd_soc_unregister_codec(&client->dev);
2516 return 0;
2517}
2518
2519static const struct i2c_device_id max98095_i2c_id[] = {
2520 { "max98095", MAX98095 },
2521 { }
2522};
2523MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
2524
2525static struct i2c_driver max98095_i2c_driver = {
2526 .driver = {
2527 .name = "max98095",
2528 .owner = THIS_MODULE,
2529 },
2530 .probe = max98095_i2c_probe,
2531 .remove = __devexit_p(max98095_i2c_remove),
2532 .id_table = max98095_i2c_id,
2533};
2534
2535static int __init max98095_init(void)
2536{
2537 int ret;
2538
2539 ret = i2c_add_driver(&max98095_i2c_driver);
2540 if (ret)
2541 pr_err("Failed to register max98095 I2C driver: %d\n", ret);
2542
2543 return ret;
2544}
2545module_init(max98095_init);
2546
2547static void __exit max98095_exit(void)
2548{
2549 i2c_del_driver(&max98095_i2c_driver);
2550}
2551module_exit(max98095_exit);
2552
2553MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
2554MODULE_AUTHOR("Peter Hsiang");
2555MODULE_LICENSE("GPL");