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-rw-r--r--sound/soc/codecs/max98095.c2396
1 files changed, 2396 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
new file mode 100644
index 000000000000..e1d282d477da
--- /dev/null
+++ b/sound/soc/codecs/max98095.c
@@ -0,0 +1,2396 @@
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 <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/max98095.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 void *control_data;
44 struct max98095_pdata *pdata;
45 unsigned int sysclk;
46 struct max98095_cdata dai[3];
47 const char **eq_texts;
48 const char **bq_texts;
49 struct soc_enum eq_enum;
50 struct soc_enum bq_enum;
51 int eq_textcnt;
52 int bq_textcnt;
53 u8 lin_state;
54 unsigned int mic1pre;
55 unsigned int mic2pre;
56};
57
58static const u8 max98095_reg_def[M98095_REG_CNT] = {
59 0x00, /* 00 */
60 0x00, /* 01 */
61 0x00, /* 02 */
62 0x00, /* 03 */
63 0x00, /* 04 */
64 0x00, /* 05 */
65 0x00, /* 06 */
66 0x00, /* 07 */
67 0x00, /* 08 */
68 0x00, /* 09 */
69 0x00, /* 0A */
70 0x00, /* 0B */
71 0x00, /* 0C */
72 0x00, /* 0D */
73 0x00, /* 0E */
74 0x00, /* 0F */
75 0x00, /* 10 */
76 0x00, /* 11 */
77 0x00, /* 12 */
78 0x00, /* 13 */
79 0x00, /* 14 */
80 0x00, /* 15 */
81 0x00, /* 16 */
82 0x00, /* 17 */
83 0x00, /* 18 */
84 0x00, /* 19 */
85 0x00, /* 1A */
86 0x00, /* 1B */
87 0x00, /* 1C */
88 0x00, /* 1D */
89 0x00, /* 1E */
90 0x00, /* 1F */
91 0x00, /* 20 */
92 0x00, /* 21 */
93 0x00, /* 22 */
94 0x00, /* 23 */
95 0x00, /* 24 */
96 0x00, /* 25 */
97 0x00, /* 26 */
98 0x00, /* 27 */
99 0x00, /* 28 */
100 0x00, /* 29 */
101 0x00, /* 2A */
102 0x00, /* 2B */
103 0x00, /* 2C */
104 0x00, /* 2D */
105 0x00, /* 2E */
106 0x00, /* 2F */
107 0x00, /* 30 */
108 0x00, /* 31 */
109 0x00, /* 32 */
110 0x00, /* 33 */
111 0x00, /* 34 */
112 0x00, /* 35 */
113 0x00, /* 36 */
114 0x00, /* 37 */
115 0x00, /* 38 */
116 0x00, /* 39 */
117 0x00, /* 3A */
118 0x00, /* 3B */
119 0x00, /* 3C */
120 0x00, /* 3D */
121 0x00, /* 3E */
122 0x00, /* 3F */
123 0x00, /* 40 */
124 0x00, /* 41 */
125 0x00, /* 42 */
126 0x00, /* 43 */
127 0x00, /* 44 */
128 0x00, /* 45 */
129 0x00, /* 46 */
130 0x00, /* 47 */
131 0x00, /* 48 */
132 0x00, /* 49 */
133 0x00, /* 4A */
134 0x00, /* 4B */
135 0x00, /* 4C */
136 0x00, /* 4D */
137 0x00, /* 4E */
138 0x00, /* 4F */
139 0x00, /* 50 */
140 0x00, /* 51 */
141 0x00, /* 52 */
142 0x00, /* 53 */
143 0x00, /* 54 */
144 0x00, /* 55 */
145 0x00, /* 56 */
146 0x00, /* 57 */
147 0x00, /* 58 */
148 0x00, /* 59 */
149 0x00, /* 5A */
150 0x00, /* 5B */
151 0x00, /* 5C */
152 0x00, /* 5D */
153 0x00, /* 5E */
154 0x00, /* 5F */
155 0x00, /* 60 */
156 0x00, /* 61 */
157 0x00, /* 62 */
158 0x00, /* 63 */
159 0x00, /* 64 */
160 0x00, /* 65 */
161 0x00, /* 66 */
162 0x00, /* 67 */
163 0x00, /* 68 */
164 0x00, /* 69 */
165 0x00, /* 6A */
166 0x00, /* 6B */
167 0x00, /* 6C */
168 0x00, /* 6D */
169 0x00, /* 6E */
170 0x00, /* 6F */
171 0x00, /* 70 */
172 0x00, /* 71 */
173 0x00, /* 72 */
174 0x00, /* 73 */
175 0x00, /* 74 */
176 0x00, /* 75 */
177 0x00, /* 76 */
178 0x00, /* 77 */
179 0x00, /* 78 */
180 0x00, /* 79 */
181 0x00, /* 7A */
182 0x00, /* 7B */
183 0x00, /* 7C */
184 0x00, /* 7D */
185 0x00, /* 7E */
186 0x00, /* 7F */
187 0x00, /* 80 */
188 0x00, /* 81 */
189 0x00, /* 82 */
190 0x00, /* 83 */
191 0x00, /* 84 */
192 0x00, /* 85 */
193 0x00, /* 86 */
194 0x00, /* 87 */
195 0x00, /* 88 */
196 0x00, /* 89 */
197 0x00, /* 8A */
198 0x00, /* 8B */
199 0x00, /* 8C */
200 0x00, /* 8D */
201 0x00, /* 8E */
202 0x00, /* 8F */
203 0x00, /* 90 */
204 0x00, /* 91 */
205 0x30, /* 92 */
206 0xF0, /* 93 */
207 0x00, /* 94 */
208 0x00, /* 95 */
209 0x3F, /* 96 */
210 0x00, /* 97 */
211 0x00, /* 98 */
212 0x00, /* 99 */
213 0x00, /* 9A */
214 0x00, /* 9B */
215 0x00, /* 9C */
216 0x00, /* 9D */
217 0x00, /* 9E */
218 0x00, /* 9F */
219 0x00, /* A0 */
220 0x00, /* A1 */
221 0x00, /* A2 */
222 0x00, /* A3 */
223 0x00, /* A4 */
224 0x00, /* A5 */
225 0x00, /* A6 */
226 0x00, /* A7 */
227 0x00, /* A8 */
228 0x00, /* A9 */
229 0x00, /* AA */
230 0x00, /* AB */
231 0x00, /* AC */
232 0x00, /* AD */
233 0x00, /* AE */
234 0x00, /* AF */
235 0x00, /* B0 */
236 0x00, /* B1 */
237 0x00, /* B2 */
238 0x00, /* B3 */
239 0x00, /* B4 */
240 0x00, /* B5 */
241 0x00, /* B6 */
242 0x00, /* B7 */
243 0x00, /* B8 */
244 0x00, /* B9 */
245 0x00, /* BA */
246 0x00, /* BB */
247 0x00, /* BC */
248 0x00, /* BD */
249 0x00, /* BE */
250 0x00, /* BF */
251 0x00, /* C0 */
252 0x00, /* C1 */
253 0x00, /* C2 */
254 0x00, /* C3 */
255 0x00, /* C4 */
256 0x00, /* C5 */
257 0x00, /* C6 */
258 0x00, /* C7 */
259 0x00, /* C8 */
260 0x00, /* C9 */
261 0x00, /* CA */
262 0x00, /* CB */
263 0x00, /* CC */
264 0x00, /* CD */
265 0x00, /* CE */
266 0x00, /* CF */
267 0x00, /* D0 */
268 0x00, /* D1 */
269 0x00, /* D2 */
270 0x00, /* D3 */
271 0x00, /* D4 */
272 0x00, /* D5 */
273 0x00, /* D6 */
274 0x00, /* D7 */
275 0x00, /* D8 */
276 0x00, /* D9 */
277 0x00, /* DA */
278 0x00, /* DB */
279 0x00, /* DC */
280 0x00, /* DD */
281 0x00, /* DE */
282 0x00, /* DF */
283 0x00, /* E0 */
284 0x00, /* E1 */
285 0x00, /* E2 */
286 0x00, /* E3 */
287 0x00, /* E4 */
288 0x00, /* E5 */
289 0x00, /* E6 */
290 0x00, /* E7 */
291 0x00, /* E8 */
292 0x00, /* E9 */
293 0x00, /* EA */
294 0x00, /* EB */
295 0x00, /* EC */
296 0x00, /* ED */
297 0x00, /* EE */
298 0x00, /* EF */
299 0x00, /* F0 */
300 0x00, /* F1 */
301 0x00, /* F2 */
302 0x00, /* F3 */
303 0x00, /* F4 */
304 0x00, /* F5 */
305 0x00, /* F6 */
306 0x00, /* F7 */
307 0x00, /* F8 */
308 0x00, /* F9 */
309 0x00, /* FA */
310 0x00, /* FB */
311 0x00, /* FC */
312 0x00, /* FD */
313 0x00, /* FE */
314 0x00, /* FF */
315};
316
317static struct {
318 int readable;
319 int writable;
320} max98095_access[M98095_REG_CNT] = {
321 { 0x00, 0x00 }, /* 00 */
322 { 0xFF, 0x00 }, /* 01 */
323 { 0xFF, 0x00 }, /* 02 */
324 { 0xFF, 0x00 }, /* 03 */
325 { 0xFF, 0x00 }, /* 04 */
326 { 0xFF, 0x00 }, /* 05 */
327 { 0xFF, 0x00 }, /* 06 */
328 { 0xFF, 0x00 }, /* 07 */
329 { 0xFF, 0x00 }, /* 08 */
330 { 0xFF, 0x00 }, /* 09 */
331 { 0xFF, 0x00 }, /* 0A */
332 { 0xFF, 0x00 }, /* 0B */
333 { 0xFF, 0x00 }, /* 0C */
334 { 0xFF, 0x00 }, /* 0D */
335 { 0xFF, 0x00 }, /* 0E */
336 { 0xFF, 0x9F }, /* 0F */
337 { 0xFF, 0xFF }, /* 10 */
338 { 0xFF, 0xFF }, /* 11 */
339 { 0xFF, 0xFF }, /* 12 */
340 { 0xFF, 0xFF }, /* 13 */
341 { 0xFF, 0xFF }, /* 14 */
342 { 0xFF, 0xFF }, /* 15 */
343 { 0xFF, 0xFF }, /* 16 */
344 { 0xFF, 0xFF }, /* 17 */
345 { 0xFF, 0xFF }, /* 18 */
346 { 0xFF, 0xFF }, /* 19 */
347 { 0xFF, 0xFF }, /* 1A */
348 { 0xFF, 0xFF }, /* 1B */
349 { 0xFF, 0xFF }, /* 1C */
350 { 0xFF, 0xFF }, /* 1D */
351 { 0xFF, 0x77 }, /* 1E */
352 { 0xFF, 0x77 }, /* 1F */
353 { 0xFF, 0x77 }, /* 20 */
354 { 0xFF, 0x77 }, /* 21 */
355 { 0xFF, 0x77 }, /* 22 */
356 { 0xFF, 0x77 }, /* 23 */
357 { 0xFF, 0xFF }, /* 24 */
358 { 0xFF, 0x7F }, /* 25 */
359 { 0xFF, 0x31 }, /* 26 */
360 { 0xFF, 0xFF }, /* 27 */
361 { 0xFF, 0xFF }, /* 28 */
362 { 0xFF, 0xFF }, /* 29 */
363 { 0xFF, 0xF7 }, /* 2A */
364 { 0xFF, 0x2F }, /* 2B */
365 { 0xFF, 0xEF }, /* 2C */
366 { 0xFF, 0xFF }, /* 2D */
367 { 0xFF, 0xFF }, /* 2E */
368 { 0xFF, 0xFF }, /* 2F */
369 { 0xFF, 0xFF }, /* 30 */
370 { 0xFF, 0xFF }, /* 31 */
371 { 0xFF, 0xFF }, /* 32 */
372 { 0xFF, 0xFF }, /* 33 */
373 { 0xFF, 0xF7 }, /* 34 */
374 { 0xFF, 0x2F }, /* 35 */
375 { 0xFF, 0xCF }, /* 36 */
376 { 0xFF, 0xFF }, /* 37 */
377 { 0xFF, 0xFF }, /* 38 */
378 { 0xFF, 0xFF }, /* 39 */
379 { 0xFF, 0xFF }, /* 3A */
380 { 0xFF, 0xFF }, /* 3B */
381 { 0xFF, 0xFF }, /* 3C */
382 { 0xFF, 0xFF }, /* 3D */
383 { 0xFF, 0xF7 }, /* 3E */
384 { 0xFF, 0x2F }, /* 3F */
385 { 0xFF, 0xCF }, /* 40 */
386 { 0xFF, 0xFF }, /* 41 */
387 { 0xFF, 0x77 }, /* 42 */
388 { 0xFF, 0xFF }, /* 43 */
389 { 0xFF, 0xFF }, /* 44 */
390 { 0xFF, 0xFF }, /* 45 */
391 { 0xFF, 0xFF }, /* 46 */
392 { 0xFF, 0xFF }, /* 47 */
393 { 0xFF, 0xFF }, /* 48 */
394 { 0xFF, 0x0F }, /* 49 */
395 { 0xFF, 0xFF }, /* 4A */
396 { 0xFF, 0xFF }, /* 4B */
397 { 0xFF, 0x3F }, /* 4C */
398 { 0xFF, 0x3F }, /* 4D */
399 { 0xFF, 0x3F }, /* 4E */
400 { 0xFF, 0xFF }, /* 4F */
401 { 0xFF, 0x7F }, /* 50 */
402 { 0xFF, 0x7F }, /* 51 */
403 { 0xFF, 0x0F }, /* 52 */
404 { 0xFF, 0x3F }, /* 53 */
405 { 0xFF, 0x3F }, /* 54 */
406 { 0xFF, 0x3F }, /* 55 */
407 { 0xFF, 0xFF }, /* 56 */
408 { 0xFF, 0xFF }, /* 57 */
409 { 0xFF, 0xBF }, /* 58 */
410 { 0xFF, 0x1F }, /* 59 */
411 { 0xFF, 0xBF }, /* 5A */
412 { 0xFF, 0x1F }, /* 5B */
413 { 0xFF, 0xBF }, /* 5C */
414 { 0xFF, 0x3F }, /* 5D */
415 { 0xFF, 0x3F }, /* 5E */
416 { 0xFF, 0x7F }, /* 5F */
417 { 0xFF, 0x7F }, /* 60 */
418 { 0xFF, 0x47 }, /* 61 */
419 { 0xFF, 0x9F }, /* 62 */
420 { 0xFF, 0x9F }, /* 63 */
421 { 0xFF, 0x9F }, /* 64 */
422 { 0xFF, 0x9F }, /* 65 */
423 { 0xFF, 0x9F }, /* 66 */
424 { 0xFF, 0xBF }, /* 67 */
425 { 0xFF, 0xBF }, /* 68 */
426 { 0xFF, 0xFF }, /* 69 */
427 { 0xFF, 0xFF }, /* 6A */
428 { 0xFF, 0x7F }, /* 6B */
429 { 0xFF, 0xF7 }, /* 6C */
430 { 0xFF, 0xFF }, /* 6D */
431 { 0xFF, 0xFF }, /* 6E */
432 { 0xFF, 0x1F }, /* 6F */
433 { 0xFF, 0xF7 }, /* 70 */
434 { 0xFF, 0xFF }, /* 71 */
435 { 0xFF, 0xFF }, /* 72 */
436 { 0xFF, 0x1F }, /* 73 */
437 { 0xFF, 0xF7 }, /* 74 */
438 { 0xFF, 0xFF }, /* 75 */
439 { 0xFF, 0xFF }, /* 76 */
440 { 0xFF, 0x1F }, /* 77 */
441 { 0xFF, 0xF7 }, /* 78 */
442 { 0xFF, 0xFF }, /* 79 */
443 { 0xFF, 0xFF }, /* 7A */
444 { 0xFF, 0x1F }, /* 7B */
445 { 0xFF, 0xF7 }, /* 7C */
446 { 0xFF, 0xFF }, /* 7D */
447 { 0xFF, 0xFF }, /* 7E */
448 { 0xFF, 0x1F }, /* 7F */
449 { 0xFF, 0xF7 }, /* 80 */
450 { 0xFF, 0xFF }, /* 81 */
451 { 0xFF, 0xFF }, /* 82 */
452 { 0xFF, 0x1F }, /* 83 */
453 { 0xFF, 0x7F }, /* 84 */
454 { 0xFF, 0x0F }, /* 85 */
455 { 0xFF, 0xD8 }, /* 86 */
456 { 0xFF, 0xFF }, /* 87 */
457 { 0xFF, 0xEF }, /* 88 */
458 { 0xFF, 0xFE }, /* 89 */
459 { 0xFF, 0xFE }, /* 8A */
460 { 0xFF, 0xFF }, /* 8B */
461 { 0xFF, 0xFF }, /* 8C */
462 { 0xFF, 0x3F }, /* 8D */
463 { 0xFF, 0xFF }, /* 8E */
464 { 0xFF, 0x3F }, /* 8F */
465 { 0xFF, 0x8F }, /* 90 */
466 { 0xFF, 0xFF }, /* 91 */
467 { 0xFF, 0x3F }, /* 92 */
468 { 0xFF, 0xFF }, /* 93 */
469 { 0xFF, 0xFF }, /* 94 */
470 { 0xFF, 0x0F }, /* 95 */
471 { 0xFF, 0x3F }, /* 96 */
472 { 0xFF, 0x8C }, /* 97 */
473 { 0x00, 0x00 }, /* 98 */
474 { 0x00, 0x00 }, /* 99 */
475 { 0x00, 0x00 }, /* 9A */
476 { 0x00, 0x00 }, /* 9B */
477 { 0x00, 0x00 }, /* 9C */
478 { 0x00, 0x00 }, /* 9D */
479 { 0x00, 0x00 }, /* 9E */
480 { 0x00, 0x00 }, /* 9F */
481 { 0x00, 0x00 }, /* A0 */
482 { 0x00, 0x00 }, /* A1 */
483 { 0x00, 0x00 }, /* A2 */
484 { 0x00, 0x00 }, /* A3 */
485 { 0x00, 0x00 }, /* A4 */
486 { 0x00, 0x00 }, /* A5 */
487 { 0x00, 0x00 }, /* A6 */
488 { 0x00, 0x00 }, /* A7 */
489 { 0x00, 0x00 }, /* A8 */
490 { 0x00, 0x00 }, /* A9 */
491 { 0x00, 0x00 }, /* AA */
492 { 0x00, 0x00 }, /* AB */
493 { 0x00, 0x00 }, /* AC */
494 { 0x00, 0x00 }, /* AD */
495 { 0x00, 0x00 }, /* AE */
496 { 0x00, 0x00 }, /* AF */
497 { 0x00, 0x00 }, /* B0 */
498 { 0x00, 0x00 }, /* B1 */
499 { 0x00, 0x00 }, /* B2 */
500 { 0x00, 0x00 }, /* B3 */
501 { 0x00, 0x00 }, /* B4 */
502 { 0x00, 0x00 }, /* B5 */
503 { 0x00, 0x00 }, /* B6 */
504 { 0x00, 0x00 }, /* B7 */
505 { 0x00, 0x00 }, /* B8 */
506 { 0x00, 0x00 }, /* B9 */
507 { 0x00, 0x00 }, /* BA */
508 { 0x00, 0x00 }, /* BB */
509 { 0x00, 0x00 }, /* BC */
510 { 0x00, 0x00 }, /* BD */
511 { 0x00, 0x00 }, /* BE */
512 { 0x00, 0x00 }, /* BF */
513 { 0x00, 0x00 }, /* C0 */
514 { 0x00, 0x00 }, /* C1 */
515 { 0x00, 0x00 }, /* C2 */
516 { 0x00, 0x00 }, /* C3 */
517 { 0x00, 0x00 }, /* C4 */
518 { 0x00, 0x00 }, /* C5 */
519 { 0x00, 0x00 }, /* C6 */
520 { 0x00, 0x00 }, /* C7 */
521 { 0x00, 0x00 }, /* C8 */
522 { 0x00, 0x00 }, /* C9 */
523 { 0x00, 0x00 }, /* CA */
524 { 0x00, 0x00 }, /* CB */
525 { 0x00, 0x00 }, /* CC */
526 { 0x00, 0x00 }, /* CD */
527 { 0x00, 0x00 }, /* CE */
528 { 0x00, 0x00 }, /* CF */
529 { 0x00, 0x00 }, /* D0 */
530 { 0x00, 0x00 }, /* D1 */
531 { 0x00, 0x00 }, /* D2 */
532 { 0x00, 0x00 }, /* D3 */
533 { 0x00, 0x00 }, /* D4 */
534 { 0x00, 0x00 }, /* D5 */
535 { 0x00, 0x00 }, /* D6 */
536 { 0x00, 0x00 }, /* D7 */
537 { 0x00, 0x00 }, /* D8 */
538 { 0x00, 0x00 }, /* D9 */
539 { 0x00, 0x00 }, /* DA */
540 { 0x00, 0x00 }, /* DB */
541 { 0x00, 0x00 }, /* DC */
542 { 0x00, 0x00 }, /* DD */
543 { 0x00, 0x00 }, /* DE */
544 { 0x00, 0x00 }, /* DF */
545 { 0x00, 0x00 }, /* E0 */
546 { 0x00, 0x00 }, /* E1 */
547 { 0x00, 0x00 }, /* E2 */
548 { 0x00, 0x00 }, /* E3 */
549 { 0x00, 0x00 }, /* E4 */
550 { 0x00, 0x00 }, /* E5 */
551 { 0x00, 0x00 }, /* E6 */
552 { 0x00, 0x00 }, /* E7 */
553 { 0x00, 0x00 }, /* E8 */
554 { 0x00, 0x00 }, /* E9 */
555 { 0x00, 0x00 }, /* EA */
556 { 0x00, 0x00 }, /* EB */
557 { 0x00, 0x00 }, /* EC */
558 { 0x00, 0x00 }, /* ED */
559 { 0x00, 0x00 }, /* EE */
560 { 0x00, 0x00 }, /* EF */
561 { 0x00, 0x00 }, /* F0 */
562 { 0x00, 0x00 }, /* F1 */
563 { 0x00, 0x00 }, /* F2 */
564 { 0x00, 0x00 }, /* F3 */
565 { 0x00, 0x00 }, /* F4 */
566 { 0x00, 0x00 }, /* F5 */
567 { 0x00, 0x00 }, /* F6 */
568 { 0x00, 0x00 }, /* F7 */
569 { 0x00, 0x00 }, /* F8 */
570 { 0x00, 0x00 }, /* F9 */
571 { 0x00, 0x00 }, /* FA */
572 { 0x00, 0x00 }, /* FB */
573 { 0x00, 0x00 }, /* FC */
574 { 0x00, 0x00 }, /* FD */
575 { 0x00, 0x00 }, /* FE */
576 { 0xFF, 0x00 }, /* FF */
577};
578
579static int max98095_readable(struct snd_soc_codec *codec, unsigned int reg)
580{
581 if (reg >= M98095_REG_CNT)
582 return 0;
583 return max98095_access[reg].readable != 0;
584}
585
586static int max98095_volatile(struct snd_soc_codec *codec, unsigned int reg)
587{
588 if (reg > M98095_REG_MAX_CACHED)
589 return 1;
590
591 switch (reg) {
592 case M98095_000_HOST_DATA:
593 case M98095_001_HOST_INT_STS:
594 case M98095_002_HOST_RSP_STS:
595 case M98095_003_HOST_CMD_STS:
596 case M98095_004_CODEC_STS:
597 case M98095_005_DAI1_ALC_STS:
598 case M98095_006_DAI2_ALC_STS:
599 case M98095_007_JACK_AUTO_STS:
600 case M98095_008_JACK_MANUAL_STS:
601 case M98095_009_JACK_VBAT_STS:
602 case M98095_00A_ACC_ADC_STS:
603 case M98095_00B_MIC_NG_AGC_STS:
604 case M98095_00C_SPK_L_VOLT_STS:
605 case M98095_00D_SPK_R_VOLT_STS:
606 case M98095_00E_TEMP_SENSOR_STS:
607 return 1;
608 }
609
610 return 0;
611}
612
613/*
614 * Filter coefficients are in a separate register segment
615 * and they share the address space of the normal registers.
616 * The coefficient registers do not need or share the cache.
617 */
618static int max98095_hw_write(struct snd_soc_codec *codec, unsigned int reg,
619 unsigned int value)
620{
621 u8 data[2];
622
623 data[0] = reg;
624 data[1] = value;
625 if (codec->hw_write(codec->control_data, data, 2) == 2)
626 return 0;
627 else
628 return -EIO;
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_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, &regval))
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, &regval))
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, &regval))
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 max98095->sysclk = freq; /* remember current sysclk */
1521
1522 /* Setup clocks for slave mode, and using the PLL
1523 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1524 * 0x02 (when master clk is 20MHz to 40MHz)..
1525 * 0x03 (when master clk is 40MHz to 60MHz)..
1526 */
1527 if ((freq >= 10000000) && (freq < 20000000)) {
1528 snd_soc_write(codec, M98095_026_SYS_CLK, 0x10);
1529 } else if ((freq >= 20000000) && (freq < 40000000)) {
1530 snd_soc_write(codec, M98095_026_SYS_CLK, 0x20);
1531 } else if ((freq >= 40000000) && (freq < 60000000)) {
1532 snd_soc_write(codec, M98095_026_SYS_CLK, 0x30);
1533 } else {
1534 dev_err(codec->dev, "Invalid master clock frequency\n");
1535 return -EINVAL;
1536 }
1537
1538 dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1539
1540 max98095->sysclk = freq;
1541 return 0;
1542}
1543
1544static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1545 unsigned int fmt)
1546{
1547 struct snd_soc_codec *codec = codec_dai->codec;
1548 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1549 struct max98095_cdata *cdata;
1550 u8 regval = 0;
1551
1552 cdata = &max98095->dai[0];
1553
1554 if (fmt != cdata->fmt) {
1555 cdata->fmt = fmt;
1556
1557 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1558 case SND_SOC_DAIFMT_CBS_CFS:
1559 /* Slave mode PLL */
1560 snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
1561 0x80);
1562 snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
1563 0x00);
1564 break;
1565 case SND_SOC_DAIFMT_CBM_CFM:
1566 /* Set to master mode */
1567 regval |= M98095_DAI_MAS;
1568 break;
1569 case SND_SOC_DAIFMT_CBS_CFM:
1570 case SND_SOC_DAIFMT_CBM_CFS:
1571 default:
1572 dev_err(codec->dev, "Clock mode unsupported");
1573 return -EINVAL;
1574 }
1575
1576 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1577 case SND_SOC_DAIFMT_I2S:
1578 regval |= M98095_DAI_DLY;
1579 break;
1580 case SND_SOC_DAIFMT_LEFT_J:
1581 break;
1582 default:
1583 return -EINVAL;
1584 }
1585
1586 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1587 case SND_SOC_DAIFMT_NB_NF:
1588 break;
1589 case SND_SOC_DAIFMT_NB_IF:
1590 regval |= M98095_DAI_WCI;
1591 break;
1592 case SND_SOC_DAIFMT_IB_NF:
1593 regval |= M98095_DAI_BCI;
1594 break;
1595 case SND_SOC_DAIFMT_IB_IF:
1596 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1597 break;
1598 default:
1599 return -EINVAL;
1600 }
1601
1602 snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1603 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1604 M98095_DAI_WCI, regval);
1605
1606 snd_soc_write(codec, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
1607 }
1608
1609 return 0;
1610}
1611
1612static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1613 unsigned int fmt)
1614{
1615 struct snd_soc_codec *codec = codec_dai->codec;
1616 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1617 struct max98095_cdata *cdata;
1618 u8 regval = 0;
1619
1620 cdata = &max98095->dai[1];
1621
1622 if (fmt != cdata->fmt) {
1623 cdata->fmt = fmt;
1624
1625 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1626 case SND_SOC_DAIFMT_CBS_CFS:
1627 /* Slave mode PLL */
1628 snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
1629 0x80);
1630 snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
1631 0x00);
1632 break;
1633 case SND_SOC_DAIFMT_CBM_CFM:
1634 /* Set to master mode */
1635 regval |= M98095_DAI_MAS;
1636 break;
1637 case SND_SOC_DAIFMT_CBS_CFM:
1638 case SND_SOC_DAIFMT_CBM_CFS:
1639 default:
1640 dev_err(codec->dev, "Clock mode unsupported");
1641 return -EINVAL;
1642 }
1643
1644 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1645 case SND_SOC_DAIFMT_I2S:
1646 regval |= M98095_DAI_DLY;
1647 break;
1648 case SND_SOC_DAIFMT_LEFT_J:
1649 break;
1650 default:
1651 return -EINVAL;
1652 }
1653
1654 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1655 case SND_SOC_DAIFMT_NB_NF:
1656 break;
1657 case SND_SOC_DAIFMT_NB_IF:
1658 regval |= M98095_DAI_WCI;
1659 break;
1660 case SND_SOC_DAIFMT_IB_NF:
1661 regval |= M98095_DAI_BCI;
1662 break;
1663 case SND_SOC_DAIFMT_IB_IF:
1664 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1665 break;
1666 default:
1667 return -EINVAL;
1668 }
1669
1670 snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1671 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1672 M98095_DAI_WCI, regval);
1673
1674 snd_soc_write(codec, M98095_035_DAI2_CLOCK,
1675 M98095_DAI_BSEL64);
1676 }
1677
1678 return 0;
1679}
1680
1681static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
1682 unsigned int fmt)
1683{
1684 struct snd_soc_codec *codec = codec_dai->codec;
1685 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1686 struct max98095_cdata *cdata;
1687 u8 regval = 0;
1688
1689 cdata = &max98095->dai[2];
1690
1691 if (fmt != cdata->fmt) {
1692 cdata->fmt = fmt;
1693
1694 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1695 case SND_SOC_DAIFMT_CBS_CFS:
1696 /* Slave mode PLL */
1697 snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
1698 0x80);
1699 snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
1700 0x00);
1701 break;
1702 case SND_SOC_DAIFMT_CBM_CFM:
1703 /* Set to master mode */
1704 regval |= M98095_DAI_MAS;
1705 break;
1706 case SND_SOC_DAIFMT_CBS_CFM:
1707 case SND_SOC_DAIFMT_CBM_CFS:
1708 default:
1709 dev_err(codec->dev, "Clock mode unsupported");
1710 return -EINVAL;
1711 }
1712
1713 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1714 case SND_SOC_DAIFMT_I2S:
1715 regval |= M98095_DAI_DLY;
1716 break;
1717 case SND_SOC_DAIFMT_LEFT_J:
1718 break;
1719 default:
1720 return -EINVAL;
1721 }
1722
1723 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1724 case SND_SOC_DAIFMT_NB_NF:
1725 break;
1726 case SND_SOC_DAIFMT_NB_IF:
1727 regval |= M98095_DAI_WCI;
1728 break;
1729 case SND_SOC_DAIFMT_IB_NF:
1730 regval |= M98095_DAI_BCI;
1731 break;
1732 case SND_SOC_DAIFMT_IB_IF:
1733 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1734 break;
1735 default:
1736 return -EINVAL;
1737 }
1738
1739 snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1740 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1741 M98095_DAI_WCI, regval);
1742
1743 snd_soc_write(codec, M98095_03F_DAI3_CLOCK,
1744 M98095_DAI_BSEL64);
1745 }
1746
1747 return 0;
1748}
1749
1750static int max98095_set_bias_level(struct snd_soc_codec *codec,
1751 enum snd_soc_bias_level level)
1752{
1753 int ret;
1754
1755 switch (level) {
1756 case SND_SOC_BIAS_ON:
1757 break;
1758
1759 case SND_SOC_BIAS_PREPARE:
1760 break;
1761
1762 case SND_SOC_BIAS_STANDBY:
1763 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1764 ret = snd_soc_cache_sync(codec);
1765
1766 if (ret != 0) {
1767 dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
1768 return ret;
1769 }
1770 }
1771
1772 snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1773 M98095_MBEN, M98095_MBEN);
1774 break;
1775
1776 case SND_SOC_BIAS_OFF:
1777 snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1778 M98095_MBEN, 0);
1779 codec->cache_sync = 1;
1780 break;
1781 }
1782 codec->dapm.bias_level = level;
1783 return 0;
1784}
1785
1786#define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
1787#define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1788
1789static struct snd_soc_dai_ops max98095_dai1_ops = {
1790 .set_sysclk = max98095_dai_set_sysclk,
1791 .set_fmt = max98095_dai1_set_fmt,
1792 .hw_params = max98095_dai1_hw_params,
1793};
1794
1795static struct snd_soc_dai_ops max98095_dai2_ops = {
1796 .set_sysclk = max98095_dai_set_sysclk,
1797 .set_fmt = max98095_dai2_set_fmt,
1798 .hw_params = max98095_dai2_hw_params,
1799};
1800
1801static struct snd_soc_dai_ops max98095_dai3_ops = {
1802 .set_sysclk = max98095_dai_set_sysclk,
1803 .set_fmt = max98095_dai3_set_fmt,
1804 .hw_params = max98095_dai3_hw_params,
1805};
1806
1807static struct snd_soc_dai_driver max98095_dai[] = {
1808{
1809 .name = "HiFi",
1810 .playback = {
1811 .stream_name = "HiFi Playback",
1812 .channels_min = 1,
1813 .channels_max = 2,
1814 .rates = MAX98095_RATES,
1815 .formats = MAX98095_FORMATS,
1816 },
1817 .capture = {
1818 .stream_name = "HiFi Capture",
1819 .channels_min = 1,
1820 .channels_max = 2,
1821 .rates = MAX98095_RATES,
1822 .formats = MAX98095_FORMATS,
1823 },
1824 .ops = &max98095_dai1_ops,
1825},
1826{
1827 .name = "Aux",
1828 .playback = {
1829 .stream_name = "Aux Playback",
1830 .channels_min = 1,
1831 .channels_max = 1,
1832 .rates = MAX98095_RATES,
1833 .formats = MAX98095_FORMATS,
1834 },
1835 .ops = &max98095_dai2_ops,
1836},
1837{
1838 .name = "Voice",
1839 .playback = {
1840 .stream_name = "Voice Playback",
1841 .channels_min = 1,
1842 .channels_max = 1,
1843 .rates = MAX98095_RATES,
1844 .formats = MAX98095_FORMATS,
1845 },
1846 .ops = &max98095_dai3_ops,
1847}
1848
1849};
1850
1851static int max98095_get_eq_channel(const char *name)
1852{
1853 if (strcmp(name, "EQ1 Mode") == 0)
1854 return 0;
1855 if (strcmp(name, "EQ2 Mode") == 0)
1856 return 1;
1857 return -EINVAL;
1858}
1859
1860static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
1861 struct snd_ctl_elem_value *ucontrol)
1862{
1863 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1864 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1865 struct max98095_pdata *pdata = max98095->pdata;
1866 int channel = max98095_get_eq_channel(kcontrol->id.name);
1867 struct max98095_cdata *cdata;
1868 int sel = ucontrol->value.integer.value[0];
1869 struct max98095_eq_cfg *coef_set;
1870 int fs, best, best_val, i;
1871 int regmask, regsave;
1872
1873 BUG_ON(channel > 1);
1874
1875 if (!pdata || !max98095->eq_textcnt)
1876 return 0;
1877
1878 if (sel >= pdata->eq_cfgcnt)
1879 return -EINVAL;
1880
1881 cdata = &max98095->dai[channel];
1882 cdata->eq_sel = sel;
1883 fs = cdata->rate;
1884
1885 /* Find the selected configuration with nearest sample rate */
1886 best = 0;
1887 best_val = INT_MAX;
1888 for (i = 0; i < pdata->eq_cfgcnt; i++) {
1889 if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
1890 abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1891 best = i;
1892 best_val = abs(pdata->eq_cfg[i].rate - fs);
1893 }
1894 }
1895
1896 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1897 pdata->eq_cfg[best].name,
1898 pdata->eq_cfg[best].rate, fs);
1899
1900 coef_set = &pdata->eq_cfg[best];
1901
1902 regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
1903
1904 /* Disable filter while configuring, and save current on/off state */
1905 regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
1906 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
1907
1908 mutex_lock(&codec->mutex);
1909 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1910 m98095_eq_band(codec, channel, 0, coef_set->band1);
1911 m98095_eq_band(codec, channel, 1, coef_set->band2);
1912 m98095_eq_band(codec, channel, 2, coef_set->band3);
1913 m98095_eq_band(codec, channel, 3, coef_set->band4);
1914 m98095_eq_band(codec, channel, 4, coef_set->band5);
1915 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
1916 mutex_unlock(&codec->mutex);
1917
1918 /* Restore the original on/off state */
1919 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
1920 return 0;
1921}
1922
1923static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
1924 struct snd_ctl_elem_value *ucontrol)
1925{
1926 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1927 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1928 int channel = max98095_get_eq_channel(kcontrol->id.name);
1929 struct max98095_cdata *cdata;
1930
1931 cdata = &max98095->dai[channel];
1932 ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1933
1934 return 0;
1935}
1936
1937static void max98095_handle_eq_pdata(struct snd_soc_codec *codec)
1938{
1939 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1940 struct max98095_pdata *pdata = max98095->pdata;
1941 struct max98095_eq_cfg *cfg;
1942 unsigned int cfgcnt;
1943 int i, j;
1944 const char **t;
1945 int ret;
1946
1947 struct snd_kcontrol_new controls[] = {
1948 SOC_ENUM_EXT("EQ1 Mode",
1949 max98095->eq_enum,
1950 max98095_get_eq_enum,
1951 max98095_put_eq_enum),
1952 SOC_ENUM_EXT("EQ2 Mode",
1953 max98095->eq_enum,
1954 max98095_get_eq_enum,
1955 max98095_put_eq_enum),
1956 };
1957
1958 cfg = pdata->eq_cfg;
1959 cfgcnt = pdata->eq_cfgcnt;
1960
1961 /* Setup an array of texts for the equalizer enum.
1962 * This is based on Mark Brown's equalizer driver code.
1963 */
1964 max98095->eq_textcnt = 0;
1965 max98095->eq_texts = NULL;
1966 for (i = 0; i < cfgcnt; i++) {
1967 for (j = 0; j < max98095->eq_textcnt; j++) {
1968 if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
1969 break;
1970 }
1971
1972 if (j != max98095->eq_textcnt)
1973 continue;
1974
1975 /* Expand the array */
1976 t = krealloc(max98095->eq_texts,
1977 sizeof(char *) * (max98095->eq_textcnt + 1),
1978 GFP_KERNEL);
1979 if (t == NULL)
1980 continue;
1981
1982 /* Store the new entry */
1983 t[max98095->eq_textcnt] = cfg[i].name;
1984 max98095->eq_textcnt++;
1985 max98095->eq_texts = t;
1986 }
1987
1988 /* Now point the soc_enum to .texts array items */
1989 max98095->eq_enum.texts = max98095->eq_texts;
1990 max98095->eq_enum.max = max98095->eq_textcnt;
1991
1992 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
1993 if (ret != 0)
1994 dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
1995}
1996
1997static int max98095_get_bq_channel(const char *name)
1998{
1999 if (strcmp(name, "Biquad1 Mode") == 0)
2000 return 0;
2001 if (strcmp(name, "Biquad2 Mode") == 0)
2002 return 1;
2003 return -EINVAL;
2004}
2005
2006static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
2007 struct snd_ctl_elem_value *ucontrol)
2008{
2009 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2010 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2011 struct max98095_pdata *pdata = max98095->pdata;
2012 int channel = max98095_get_bq_channel(kcontrol->id.name);
2013 struct max98095_cdata *cdata;
2014 int sel = ucontrol->value.integer.value[0];
2015 struct max98095_biquad_cfg *coef_set;
2016 int fs, best, best_val, i;
2017 int regmask, regsave;
2018
2019 BUG_ON(channel > 1);
2020
2021 if (!pdata || !max98095->bq_textcnt)
2022 return 0;
2023
2024 if (sel >= pdata->bq_cfgcnt)
2025 return -EINVAL;
2026
2027 cdata = &max98095->dai[channel];
2028 cdata->bq_sel = sel;
2029 fs = cdata->rate;
2030
2031 /* Find the selected configuration with nearest sample rate */
2032 best = 0;
2033 best_val = INT_MAX;
2034 for (i = 0; i < pdata->bq_cfgcnt; i++) {
2035 if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
2036 abs(pdata->bq_cfg[i].rate - fs) < best_val) {
2037 best = i;
2038 best_val = abs(pdata->bq_cfg[i].rate - fs);
2039 }
2040 }
2041
2042 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
2043 pdata->bq_cfg[best].name,
2044 pdata->bq_cfg[best].rate, fs);
2045
2046 coef_set = &pdata->bq_cfg[best];
2047
2048 regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
2049
2050 /* Disable filter while configuring, and save current on/off state */
2051 regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
2052 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
2053
2054 mutex_lock(&codec->mutex);
2055 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
2056 m98095_biquad_band(codec, channel, 0, coef_set->band1);
2057 m98095_biquad_band(codec, channel, 1, coef_set->band2);
2058 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
2059 mutex_unlock(&codec->mutex);
2060
2061 /* Restore the original on/off state */
2062 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
2063 return 0;
2064}
2065
2066static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
2067 struct snd_ctl_elem_value *ucontrol)
2068{
2069 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2070 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2071 int channel = max98095_get_bq_channel(kcontrol->id.name);
2072 struct max98095_cdata *cdata;
2073
2074 cdata = &max98095->dai[channel];
2075 ucontrol->value.enumerated.item[0] = cdata->bq_sel;
2076
2077 return 0;
2078}
2079
2080static void max98095_handle_bq_pdata(struct snd_soc_codec *codec)
2081{
2082 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2083 struct max98095_pdata *pdata = max98095->pdata;
2084 struct max98095_biquad_cfg *cfg;
2085 unsigned int cfgcnt;
2086 int i, j;
2087 const char **t;
2088 int ret;
2089
2090 struct snd_kcontrol_new controls[] = {
2091 SOC_ENUM_EXT("Biquad1 Mode",
2092 max98095->bq_enum,
2093 max98095_get_bq_enum,
2094 max98095_put_bq_enum),
2095 SOC_ENUM_EXT("Biquad2 Mode",
2096 max98095->bq_enum,
2097 max98095_get_bq_enum,
2098 max98095_put_bq_enum),
2099 };
2100
2101 cfg = pdata->bq_cfg;
2102 cfgcnt = pdata->bq_cfgcnt;
2103
2104 /* Setup an array of texts for the biquad enum.
2105 * This is based on Mark Brown's equalizer driver code.
2106 */
2107 max98095->bq_textcnt = 0;
2108 max98095->bq_texts = NULL;
2109 for (i = 0; i < cfgcnt; i++) {
2110 for (j = 0; j < max98095->bq_textcnt; j++) {
2111 if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
2112 break;
2113 }
2114
2115 if (j != max98095->bq_textcnt)
2116 continue;
2117
2118 /* Expand the array */
2119 t = krealloc(max98095->bq_texts,
2120 sizeof(char *) * (max98095->bq_textcnt + 1),
2121 GFP_KERNEL);
2122 if (t == NULL)
2123 continue;
2124
2125 /* Store the new entry */
2126 t[max98095->bq_textcnt] = cfg[i].name;
2127 max98095->bq_textcnt++;
2128 max98095->bq_texts = t;
2129 }
2130
2131 /* Now point the soc_enum to .texts array items */
2132 max98095->bq_enum.texts = max98095->bq_texts;
2133 max98095->bq_enum.max = max98095->bq_textcnt;
2134
2135 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
2136 if (ret != 0)
2137 dev_err(codec->dev, "Failed to add Biquad control: %d\n", ret);
2138}
2139
2140static void max98095_handle_pdata(struct snd_soc_codec *codec)
2141{
2142 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2143 struct max98095_pdata *pdata = max98095->pdata;
2144 u8 regval = 0;
2145
2146 if (!pdata) {
2147 dev_dbg(codec->dev, "No platform data\n");
2148 return;
2149 }
2150
2151 /* Configure mic for analog/digital mic mode */
2152 if (pdata->digmic_left_mode)
2153 regval |= M98095_DIGMIC_L;
2154
2155 if (pdata->digmic_right_mode)
2156 regval |= M98095_DIGMIC_R;
2157
2158 snd_soc_write(codec, M98095_087_CFG_MIC, regval);
2159
2160 /* Configure equalizers */
2161 if (pdata->eq_cfgcnt)
2162 max98095_handle_eq_pdata(codec);
2163
2164 /* Configure bi-quad filters */
2165 if (pdata->bq_cfgcnt)
2166 max98095_handle_bq_pdata(codec);
2167}
2168
2169#ifdef CONFIG_PM
2170static int max98095_suspend(struct snd_soc_codec *codec, pm_message_t state)
2171{
2172 max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
2173
2174 return 0;
2175}
2176
2177static int max98095_resume(struct snd_soc_codec *codec)
2178{
2179 max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2180
2181 return 0;
2182}
2183#else
2184#define max98095_suspend NULL
2185#define max98095_resume NULL
2186#endif
2187
2188static int max98095_reset(struct snd_soc_codec *codec)
2189{
2190 int i, ret;
2191
2192 /* Gracefully reset the DSP core and the codec hardware
2193 * in a proper sequence */
2194 ret = snd_soc_write(codec, M98095_00F_HOST_CFG, 0);
2195 if (ret < 0) {
2196 dev_err(codec->dev, "Failed to reset DSP: %d\n", ret);
2197 return ret;
2198 }
2199
2200 ret = snd_soc_write(codec, M98095_097_PWR_SYS, 0);
2201 if (ret < 0) {
2202 dev_err(codec->dev, "Failed to reset codec: %d\n", ret);
2203 return ret;
2204 }
2205
2206 /* Reset to hardware default for registers, as there is not
2207 * a soft reset hardware control register */
2208 for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
2209 ret = snd_soc_write(codec, i, max98095_reg_def[i]);
2210 if (ret < 0) {
2211 dev_err(codec->dev, "Failed to reset: %d\n", ret);
2212 return ret;
2213 }
2214 }
2215
2216 return ret;
2217}
2218
2219static int max98095_probe(struct snd_soc_codec *codec)
2220{
2221 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2222 struct max98095_cdata *cdata;
2223 int ret = 0;
2224
2225 ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
2226 if (ret != 0) {
2227 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2228 return ret;
2229 }
2230
2231 /* reset the codec, the DSP core, and disable all interrupts */
2232 max98095_reset(codec);
2233
2234 /* initialize private data */
2235
2236 max98095->sysclk = (unsigned)-1;
2237 max98095->eq_textcnt = 0;
2238 max98095->bq_textcnt = 0;
2239
2240 cdata = &max98095->dai[0];
2241 cdata->rate = (unsigned)-1;
2242 cdata->fmt = (unsigned)-1;
2243 cdata->eq_sel = 0;
2244 cdata->bq_sel = 0;
2245
2246 cdata = &max98095->dai[1];
2247 cdata->rate = (unsigned)-1;
2248 cdata->fmt = (unsigned)-1;
2249 cdata->eq_sel = 0;
2250 cdata->bq_sel = 0;
2251
2252 cdata = &max98095->dai[2];
2253 cdata->rate = (unsigned)-1;
2254 cdata->fmt = (unsigned)-1;
2255 cdata->eq_sel = 0;
2256 cdata->bq_sel = 0;
2257
2258 max98095->lin_state = 0;
2259 max98095->mic1pre = 0;
2260 max98095->mic2pre = 0;
2261
2262 ret = snd_soc_read(codec, M98095_0FF_REV_ID);
2263 if (ret < 0) {
2264 dev_err(codec->dev, "Failed to read device revision: %d\n",
2265 ret);
2266 goto err_access;
2267 }
2268 dev_info(codec->dev, "revision %c\n", ret + 'A');
2269
2270 snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV);
2271
2272 /* initialize registers cache to hardware default */
2273 max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2274
2275 snd_soc_write(codec, M98095_048_MIX_DAC_LR,
2276 M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
2277
2278 snd_soc_write(codec, M98095_049_MIX_DAC_M,
2279 M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
2280
2281 snd_soc_write(codec, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
2282 snd_soc_write(codec, M98095_045_CFG_DSP, M98095_DSPNORMAL);
2283 snd_soc_write(codec, M98095_04E_CFG_HP, M98095_HPNORMAL);
2284
2285 snd_soc_write(codec, M98095_02C_DAI1_IOCFG,
2286 M98095_S1NORMAL|M98095_SDATA);
2287
2288 snd_soc_write(codec, M98095_036_DAI2_IOCFG,
2289 M98095_S2NORMAL|M98095_SDATA);
2290
2291 snd_soc_write(codec, M98095_040_DAI3_IOCFG,
2292 M98095_S3NORMAL|M98095_SDATA);
2293
2294 max98095_handle_pdata(codec);
2295
2296 /* take the codec out of the shut down */
2297 snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN,
2298 M98095_SHDNRUN);
2299
2300 max98095_add_widgets(codec);
2301
2302err_access:
2303 return ret;
2304}
2305
2306static int max98095_remove(struct snd_soc_codec *codec)
2307{
2308 max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
2309
2310 return 0;
2311}
2312
2313static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
2314 .probe = max98095_probe,
2315 .remove = max98095_remove,
2316 .suspend = max98095_suspend,
2317 .resume = max98095_resume,
2318 .set_bias_level = max98095_set_bias_level,
2319 .reg_cache_size = ARRAY_SIZE(max98095_reg_def),
2320 .reg_word_size = sizeof(u8),
2321 .reg_cache_default = max98095_reg_def,
2322 .readable_register = max98095_readable,
2323 .volatile_register = max98095_volatile,
2324 .dapm_widgets = max98095_dapm_widgets,
2325 .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
2326 .dapm_routes = max98095_audio_map,
2327 .num_dapm_routes = ARRAY_SIZE(max98095_audio_map),
2328};
2329
2330static int max98095_i2c_probe(struct i2c_client *i2c,
2331 const struct i2c_device_id *id)
2332{
2333 struct max98095_priv *max98095;
2334 int ret;
2335
2336 max98095 = kzalloc(sizeof(struct max98095_priv), GFP_KERNEL);
2337 if (max98095 == NULL)
2338 return -ENOMEM;
2339
2340 max98095->devtype = id->driver_data;
2341 i2c_set_clientdata(i2c, max98095);
2342 max98095->control_data = i2c;
2343 max98095->pdata = i2c->dev.platform_data;
2344
2345 ret = snd_soc_register_codec(&i2c->dev,
2346 &soc_codec_dev_max98095, &max98095_dai[0], 3);
2347 if (ret < 0)
2348 kfree(max98095);
2349 return ret;
2350}
2351
2352static int __devexit max98095_i2c_remove(struct i2c_client *client)
2353{
2354 snd_soc_unregister_codec(&client->dev);
2355 kfree(i2c_get_clientdata(client));
2356
2357 return 0;
2358}
2359
2360static const struct i2c_device_id max98095_i2c_id[] = {
2361 { "max98095", MAX98095 },
2362 { }
2363};
2364MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
2365
2366static struct i2c_driver max98095_i2c_driver = {
2367 .driver = {
2368 .name = "max98095",
2369 .owner = THIS_MODULE,
2370 },
2371 .probe = max98095_i2c_probe,
2372 .remove = __devexit_p(max98095_i2c_remove),
2373 .id_table = max98095_i2c_id,
2374};
2375
2376static int __init max98095_init(void)
2377{
2378 int ret;
2379
2380 ret = i2c_add_driver(&max98095_i2c_driver);
2381 if (ret)
2382 pr_err("Failed to register max98095 I2C driver: %d\n", ret);
2383
2384 return ret;
2385}
2386module_init(max98095_init);
2387
2388static void __exit max98095_exit(void)
2389{
2390 i2c_del_driver(&max98095_i2c_driver);
2391}
2392module_exit(max98095_exit);
2393
2394MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
2395MODULE_AUTHOR("Peter Hsiang");
2396MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-22 05:07:04 -0500