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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
[deliverable/linux.git] / sound / soc / codecs / max98095.c
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
30 enum max98095_type {
31 MAX98095,
32 };
33
34 struct max98095_cdata {
35 unsigned int rate;
36 unsigned int fmt;
37 int eq_sel;
38 int bq_sel;
39 };
40
41 struct 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 };
56
57 static const u8 max98095_reg_def[M98095_REG_CNT] = {
58 0x00, /* 00 */
59 0x00, /* 01 */
60 0x00, /* 02 */
61 0x00, /* 03 */
62 0x00, /* 04 */
63 0x00, /* 05 */
64 0x00, /* 06 */
65 0x00, /* 07 */
66 0x00, /* 08 */
67 0x00, /* 09 */
68 0x00, /* 0A */
69 0x00, /* 0B */
70 0x00, /* 0C */
71 0x00, /* 0D */
72 0x00, /* 0E */
73 0x00, /* 0F */
74 0x00, /* 10 */
75 0x00, /* 11 */
76 0x00, /* 12 */
77 0x00, /* 13 */
78 0x00, /* 14 */
79 0x00, /* 15 */
80 0x00, /* 16 */
81 0x00, /* 17 */
82 0x00, /* 18 */
83 0x00, /* 19 */
84 0x00, /* 1A */
85 0x00, /* 1B */
86 0x00, /* 1C */
87 0x00, /* 1D */
88 0x00, /* 1E */
89 0x00, /* 1F */
90 0x00, /* 20 */
91 0x00, /* 21 */
92 0x00, /* 22 */
93 0x00, /* 23 */
94 0x00, /* 24 */
95 0x00, /* 25 */
96 0x00, /* 26 */
97 0x00, /* 27 */
98 0x00, /* 28 */
99 0x00, /* 29 */
100 0x00, /* 2A */
101 0x00, /* 2B */
102 0x00, /* 2C */
103 0x00, /* 2D */
104 0x00, /* 2E */
105 0x00, /* 2F */
106 0x00, /* 30 */
107 0x00, /* 31 */
108 0x00, /* 32 */
109 0x00, /* 33 */
110 0x00, /* 34 */
111 0x00, /* 35 */
112 0x00, /* 36 */
113 0x00, /* 37 */
114 0x00, /* 38 */
115 0x00, /* 39 */
116 0x00, /* 3A */
117 0x00, /* 3B */
118 0x00, /* 3C */
119 0x00, /* 3D */
120 0x00, /* 3E */
121 0x00, /* 3F */
122 0x00, /* 40 */
123 0x00, /* 41 */
124 0x00, /* 42 */
125 0x00, /* 43 */
126 0x00, /* 44 */
127 0x00, /* 45 */
128 0x00, /* 46 */
129 0x00, /* 47 */
130 0x00, /* 48 */
131 0x00, /* 49 */
132 0x00, /* 4A */
133 0x00, /* 4B */
134 0x00, /* 4C */
135 0x00, /* 4D */
136 0x00, /* 4E */
137 0x00, /* 4F */
138 0x00, /* 50 */
139 0x00, /* 51 */
140 0x00, /* 52 */
141 0x00, /* 53 */
142 0x00, /* 54 */
143 0x00, /* 55 */
144 0x00, /* 56 */
145 0x00, /* 57 */
146 0x00, /* 58 */
147 0x00, /* 59 */
148 0x00, /* 5A */
149 0x00, /* 5B */
150 0x00, /* 5C */
151 0x00, /* 5D */
152 0x00, /* 5E */
153 0x00, /* 5F */
154 0x00, /* 60 */
155 0x00, /* 61 */
156 0x00, /* 62 */
157 0x00, /* 63 */
158 0x00, /* 64 */
159 0x00, /* 65 */
160 0x00, /* 66 */
161 0x00, /* 67 */
162 0x00, /* 68 */
163 0x00, /* 69 */
164 0x00, /* 6A */
165 0x00, /* 6B */
166 0x00, /* 6C */
167 0x00, /* 6D */
168 0x00, /* 6E */
169 0x00, /* 6F */
170 0x00, /* 70 */
171 0x00, /* 71 */
172 0x00, /* 72 */
173 0x00, /* 73 */
174 0x00, /* 74 */
175 0x00, /* 75 */
176 0x00, /* 76 */
177 0x00, /* 77 */
178 0x00, /* 78 */
179 0x00, /* 79 */
180 0x00, /* 7A */
181 0x00, /* 7B */
182 0x00, /* 7C */
183 0x00, /* 7D */
184 0x00, /* 7E */
185 0x00, /* 7F */
186 0x00, /* 80 */
187 0x00, /* 81 */
188 0x00, /* 82 */
189 0x00, /* 83 */
190 0x00, /* 84 */
191 0x00, /* 85 */
192 0x00, /* 86 */
193 0x00, /* 87 */
194 0x00, /* 88 */
195 0x00, /* 89 */
196 0x00, /* 8A */
197 0x00, /* 8B */
198 0x00, /* 8C */
199 0x00, /* 8D */
200 0x00, /* 8E */
201 0x00, /* 8F */
202 0x00, /* 90 */
203 0x00, /* 91 */
204 0x30, /* 92 */
205 0xF0, /* 93 */
206 0x00, /* 94 */
207 0x00, /* 95 */
208 0x3F, /* 96 */
209 0x00, /* 97 */
210 0x00, /* 98 */
211 0x00, /* 99 */
212 0x00, /* 9A */
213 0x00, /* 9B */
214 0x00, /* 9C */
215 0x00, /* 9D */
216 0x00, /* 9E */
217 0x00, /* 9F */
218 0x00, /* A0 */
219 0x00, /* A1 */
220 0x00, /* A2 */
221 0x00, /* A3 */
222 0x00, /* A4 */
223 0x00, /* A5 */
224 0x00, /* A6 */
225 0x00, /* A7 */
226 0x00, /* A8 */
227 0x00, /* A9 */
228 0x00, /* AA */
229 0x00, /* AB */
230 0x00, /* AC */
231 0x00, /* AD */
232 0x00, /* AE */
233 0x00, /* AF */
234 0x00, /* B0 */
235 0x00, /* B1 */
236 0x00, /* B2 */
237 0x00, /* B3 */
238 0x00, /* B4 */
239 0x00, /* B5 */
240 0x00, /* B6 */
241 0x00, /* B7 */
242 0x00, /* B8 */
243 0x00, /* B9 */
244 0x00, /* BA */
245 0x00, /* BB */
246 0x00, /* BC */
247 0x00, /* BD */
248 0x00, /* BE */
249 0x00, /* BF */
250 0x00, /* C0 */
251 0x00, /* C1 */
252 0x00, /* C2 */
253 0x00, /* C3 */
254 0x00, /* C4 */
255 0x00, /* C5 */
256 0x00, /* C6 */
257 0x00, /* C7 */
258 0x00, /* C8 */
259 0x00, /* C9 */
260 0x00, /* CA */
261 0x00, /* CB */
262 0x00, /* CC */
263 0x00, /* CD */
264 0x00, /* CE */
265 0x00, /* CF */
266 0x00, /* D0 */
267 0x00, /* D1 */
268 0x00, /* D2 */
269 0x00, /* D3 */
270 0x00, /* D4 */
271 0x00, /* D5 */
272 0x00, /* D6 */
273 0x00, /* D7 */
274 0x00, /* D8 */
275 0x00, /* D9 */
276 0x00, /* DA */
277 0x00, /* DB */
278 0x00, /* DC */
279 0x00, /* DD */
280 0x00, /* DE */
281 0x00, /* DF */
282 0x00, /* E0 */
283 0x00, /* E1 */
284 0x00, /* E2 */
285 0x00, /* E3 */
286 0x00, /* E4 */
287 0x00, /* E5 */
288 0x00, /* E6 */
289 0x00, /* E7 */
290 0x00, /* E8 */
291 0x00, /* E9 */
292 0x00, /* EA */
293 0x00, /* EB */
294 0x00, /* EC */
295 0x00, /* ED */
296 0x00, /* EE */
297 0x00, /* EF */
298 0x00, /* F0 */
299 0x00, /* F1 */
300 0x00, /* F2 */
301 0x00, /* F3 */
302 0x00, /* F4 */
303 0x00, /* F5 */
304 0x00, /* F6 */
305 0x00, /* F7 */
306 0x00, /* F8 */
307 0x00, /* F9 */
308 0x00, /* FA */
309 0x00, /* FB */
310 0x00, /* FC */
311 0x00, /* FD */
312 0x00, /* FE */
313 0x00, /* FF */
314 };
315
316 static struct {
317 int readable;
318 int writable;
319 } max98095_access[M98095_REG_CNT] = {
320 { 0x00, 0x00 }, /* 00 */
321 { 0xFF, 0x00 }, /* 01 */
322 { 0xFF, 0x00 }, /* 02 */
323 { 0xFF, 0x00 }, /* 03 */
324 { 0xFF, 0x00 }, /* 04 */
325 { 0xFF, 0x00 }, /* 05 */
326 { 0xFF, 0x00 }, /* 06 */
327 { 0xFF, 0x00 }, /* 07 */
328 { 0xFF, 0x00 }, /* 08 */
329 { 0xFF, 0x00 }, /* 09 */
330 { 0xFF, 0x00 }, /* 0A */
331 { 0xFF, 0x00 }, /* 0B */
332 { 0xFF, 0x00 }, /* 0C */
333 { 0xFF, 0x00 }, /* 0D */
334 { 0xFF, 0x00 }, /* 0E */
335 { 0xFF, 0x9F }, /* 0F */
336 { 0xFF, 0xFF }, /* 10 */
337 { 0xFF, 0xFF }, /* 11 */
338 { 0xFF, 0xFF }, /* 12 */
339 { 0xFF, 0xFF }, /* 13 */
340 { 0xFF, 0xFF }, /* 14 */
341 { 0xFF, 0xFF }, /* 15 */
342 { 0xFF, 0xFF }, /* 16 */
343 { 0xFF, 0xFF }, /* 17 */
344 { 0xFF, 0xFF }, /* 18 */
345 { 0xFF, 0xFF }, /* 19 */
346 { 0xFF, 0xFF }, /* 1A */
347 { 0xFF, 0xFF }, /* 1B */
348 { 0xFF, 0xFF }, /* 1C */
349 { 0xFF, 0xFF }, /* 1D */
350 { 0xFF, 0x77 }, /* 1E */
351 { 0xFF, 0x77 }, /* 1F */
352 { 0xFF, 0x77 }, /* 20 */
353 { 0xFF, 0x77 }, /* 21 */
354 { 0xFF, 0x77 }, /* 22 */
355 { 0xFF, 0x77 }, /* 23 */
356 { 0xFF, 0xFF }, /* 24 */
357 { 0xFF, 0x7F }, /* 25 */
358 { 0xFF, 0x31 }, /* 26 */
359 { 0xFF, 0xFF }, /* 27 */
360 { 0xFF, 0xFF }, /* 28 */
361 { 0xFF, 0xFF }, /* 29 */
362 { 0xFF, 0xF7 }, /* 2A */
363 { 0xFF, 0x2F }, /* 2B */
364 { 0xFF, 0xEF }, /* 2C */
365 { 0xFF, 0xFF }, /* 2D */
366 { 0xFF, 0xFF }, /* 2E */
367 { 0xFF, 0xFF }, /* 2F */
368 { 0xFF, 0xFF }, /* 30 */
369 { 0xFF, 0xFF }, /* 31 */
370 { 0xFF, 0xFF }, /* 32 */
371 { 0xFF, 0xFF }, /* 33 */
372 { 0xFF, 0xF7 }, /* 34 */
373 { 0xFF, 0x2F }, /* 35 */
374 { 0xFF, 0xCF }, /* 36 */
375 { 0xFF, 0xFF }, /* 37 */
376 { 0xFF, 0xFF }, /* 38 */
377 { 0xFF, 0xFF }, /* 39 */
378 { 0xFF, 0xFF }, /* 3A */
379 { 0xFF, 0xFF }, /* 3B */
380 { 0xFF, 0xFF }, /* 3C */
381 { 0xFF, 0xFF }, /* 3D */
382 { 0xFF, 0xF7 }, /* 3E */
383 { 0xFF, 0x2F }, /* 3F */
384 { 0xFF, 0xCF }, /* 40 */
385 { 0xFF, 0xFF }, /* 41 */
386 { 0xFF, 0x77 }, /* 42 */
387 { 0xFF, 0xFF }, /* 43 */
388 { 0xFF, 0xFF }, /* 44 */
389 { 0xFF, 0xFF }, /* 45 */
390 { 0xFF, 0xFF }, /* 46 */
391 { 0xFF, 0xFF }, /* 47 */
392 { 0xFF, 0xFF }, /* 48 */
393 { 0xFF, 0x0F }, /* 49 */
394 { 0xFF, 0xFF }, /* 4A */
395 { 0xFF, 0xFF }, /* 4B */
396 { 0xFF, 0x3F }, /* 4C */
397 { 0xFF, 0x3F }, /* 4D */
398 { 0xFF, 0x3F }, /* 4E */
399 { 0xFF, 0xFF }, /* 4F */
400 { 0xFF, 0x7F }, /* 50 */
401 { 0xFF, 0x7F }, /* 51 */
402 { 0xFF, 0x0F }, /* 52 */
403 { 0xFF, 0x3F }, /* 53 */
404 { 0xFF, 0x3F }, /* 54 */
405 { 0xFF, 0x3F }, /* 55 */
406 { 0xFF, 0xFF }, /* 56 */
407 { 0xFF, 0xFF }, /* 57 */
408 { 0xFF, 0xBF }, /* 58 */
409 { 0xFF, 0x1F }, /* 59 */
410 { 0xFF, 0xBF }, /* 5A */
411 { 0xFF, 0x1F }, /* 5B */
412 { 0xFF, 0xBF }, /* 5C */
413 { 0xFF, 0x3F }, /* 5D */
414 { 0xFF, 0x3F }, /* 5E */
415 { 0xFF, 0x7F }, /* 5F */
416 { 0xFF, 0x7F }, /* 60 */
417 { 0xFF, 0x47 }, /* 61 */
418 { 0xFF, 0x9F }, /* 62 */
419 { 0xFF, 0x9F }, /* 63 */
420 { 0xFF, 0x9F }, /* 64 */
421 { 0xFF, 0x9F }, /* 65 */
422 { 0xFF, 0x9F }, /* 66 */
423 { 0xFF, 0xBF }, /* 67 */
424 { 0xFF, 0xBF }, /* 68 */
425 { 0xFF, 0xFF }, /* 69 */
426 { 0xFF, 0xFF }, /* 6A */
427 { 0xFF, 0x7F }, /* 6B */
428 { 0xFF, 0xF7 }, /* 6C */
429 { 0xFF, 0xFF }, /* 6D */
430 { 0xFF, 0xFF }, /* 6E */
431 { 0xFF, 0x1F }, /* 6F */
432 { 0xFF, 0xF7 }, /* 70 */
433 { 0xFF, 0xFF }, /* 71 */
434 { 0xFF, 0xFF }, /* 72 */
435 { 0xFF, 0x1F }, /* 73 */
436 { 0xFF, 0xF7 }, /* 74 */
437 { 0xFF, 0xFF }, /* 75 */
438 { 0xFF, 0xFF }, /* 76 */
439 { 0xFF, 0x1F }, /* 77 */
440 { 0xFF, 0xF7 }, /* 78 */
441 { 0xFF, 0xFF }, /* 79 */
442 { 0xFF, 0xFF }, /* 7A */
443 { 0xFF, 0x1F }, /* 7B */
444 { 0xFF, 0xF7 }, /* 7C */
445 { 0xFF, 0xFF }, /* 7D */
446 { 0xFF, 0xFF }, /* 7E */
447 { 0xFF, 0x1F }, /* 7F */
448 { 0xFF, 0xF7 }, /* 80 */
449 { 0xFF, 0xFF }, /* 81 */
450 { 0xFF, 0xFF }, /* 82 */
451 { 0xFF, 0x1F }, /* 83 */
452 { 0xFF, 0x7F }, /* 84 */
453 { 0xFF, 0x0F }, /* 85 */
454 { 0xFF, 0xD8 }, /* 86 */
455 { 0xFF, 0xFF }, /* 87 */
456 { 0xFF, 0xEF }, /* 88 */
457 { 0xFF, 0xFE }, /* 89 */
458 { 0xFF, 0xFE }, /* 8A */
459 { 0xFF, 0xFF }, /* 8B */
460 { 0xFF, 0xFF }, /* 8C */
461 { 0xFF, 0x3F }, /* 8D */
462 { 0xFF, 0xFF }, /* 8E */
463 { 0xFF, 0x3F }, /* 8F */
464 { 0xFF, 0x8F }, /* 90 */
465 { 0xFF, 0xFF }, /* 91 */
466 { 0xFF, 0x3F }, /* 92 */
467 { 0xFF, 0xFF }, /* 93 */
468 { 0xFF, 0xFF }, /* 94 */
469 { 0xFF, 0x0F }, /* 95 */
470 { 0xFF, 0x3F }, /* 96 */
471 { 0xFF, 0x8C }, /* 97 */
472 { 0x00, 0x00 }, /* 98 */
473 { 0x00, 0x00 }, /* 99 */
474 { 0x00, 0x00 }, /* 9A */
475 { 0x00, 0x00 }, /* 9B */
476 { 0x00, 0x00 }, /* 9C */
477 { 0x00, 0x00 }, /* 9D */
478 { 0x00, 0x00 }, /* 9E */
479 { 0x00, 0x00 }, /* 9F */
480 { 0x00, 0x00 }, /* A0 */
481 { 0x00, 0x00 }, /* A1 */
482 { 0x00, 0x00 }, /* A2 */
483 { 0x00, 0x00 }, /* A3 */
484 { 0x00, 0x00 }, /* A4 */
485 { 0x00, 0x00 }, /* A5 */
486 { 0x00, 0x00 }, /* A6 */
487 { 0x00, 0x00 }, /* A7 */
488 { 0x00, 0x00 }, /* A8 */
489 { 0x00, 0x00 }, /* A9 */
490 { 0x00, 0x00 }, /* AA */
491 { 0x00, 0x00 }, /* AB */
492 { 0x00, 0x00 }, /* AC */
493 { 0x00, 0x00 }, /* AD */
494 { 0x00, 0x00 }, /* AE */
495 { 0x00, 0x00 }, /* AF */
496 { 0x00, 0x00 }, /* B0 */
497 { 0x00, 0x00 }, /* B1 */
498 { 0x00, 0x00 }, /* B2 */
499 { 0x00, 0x00 }, /* B3 */
500 { 0x00, 0x00 }, /* B4 */
501 { 0x00, 0x00 }, /* B5 */
502 { 0x00, 0x00 }, /* B6 */
503 { 0x00, 0x00 }, /* B7 */
504 { 0x00, 0x00 }, /* B8 */
505 { 0x00, 0x00 }, /* B9 */
506 { 0x00, 0x00 }, /* BA */
507 { 0x00, 0x00 }, /* BB */
508 { 0x00, 0x00 }, /* BC */
509 { 0x00, 0x00 }, /* BD */
510 { 0x00, 0x00 }, /* BE */
511 { 0x00, 0x00 }, /* BF */
512 { 0x00, 0x00 }, /* C0 */
513 { 0x00, 0x00 }, /* C1 */
514 { 0x00, 0x00 }, /* C2 */
515 { 0x00, 0x00 }, /* C3 */
516 { 0x00, 0x00 }, /* C4 */
517 { 0x00, 0x00 }, /* C5 */
518 { 0x00, 0x00 }, /* C6 */
519 { 0x00, 0x00 }, /* C7 */
520 { 0x00, 0x00 }, /* C8 */
521 { 0x00, 0x00 }, /* C9 */
522 { 0x00, 0x00 }, /* CA */
523 { 0x00, 0x00 }, /* CB */
524 { 0x00, 0x00 }, /* CC */
525 { 0x00, 0x00 }, /* CD */
526 { 0x00, 0x00 }, /* CE */
527 { 0x00, 0x00 }, /* CF */
528 { 0x00, 0x00 }, /* D0 */
529 { 0x00, 0x00 }, /* D1 */
530 { 0x00, 0x00 }, /* D2 */
531 { 0x00, 0x00 }, /* D3 */
532 { 0x00, 0x00 }, /* D4 */
533 { 0x00, 0x00 }, /* D5 */
534 { 0x00, 0x00 }, /* D6 */
535 { 0x00, 0x00 }, /* D7 */
536 { 0x00, 0x00 }, /* D8 */
537 { 0x00, 0x00 }, /* D9 */
538 { 0x00, 0x00 }, /* DA */
539 { 0x00, 0x00 }, /* DB */
540 { 0x00, 0x00 }, /* DC */
541 { 0x00, 0x00 }, /* DD */
542 { 0x00, 0x00 }, /* DE */
543 { 0x00, 0x00 }, /* DF */
544 { 0x00, 0x00 }, /* E0 */
545 { 0x00, 0x00 }, /* E1 */
546 { 0x00, 0x00 }, /* E2 */
547 { 0x00, 0x00 }, /* E3 */
548 { 0x00, 0x00 }, /* E4 */
549 { 0x00, 0x00 }, /* E5 */
550 { 0x00, 0x00 }, /* E6 */
551 { 0x00, 0x00 }, /* E7 */
552 { 0x00, 0x00 }, /* E8 */
553 { 0x00, 0x00 }, /* E9 */
554 { 0x00, 0x00 }, /* EA */
555 { 0x00, 0x00 }, /* EB */
556 { 0x00, 0x00 }, /* EC */
557 { 0x00, 0x00 }, /* ED */
558 { 0x00, 0x00 }, /* EE */
559 { 0x00, 0x00 }, /* EF */
560 { 0x00, 0x00 }, /* F0 */
561 { 0x00, 0x00 }, /* F1 */
562 { 0x00, 0x00 }, /* F2 */
563 { 0x00, 0x00 }, /* F3 */
564 { 0x00, 0x00 }, /* F4 */
565 { 0x00, 0x00 }, /* F5 */
566 { 0x00, 0x00 }, /* F6 */
567 { 0x00, 0x00 }, /* F7 */
568 { 0x00, 0x00 }, /* F8 */
569 { 0x00, 0x00 }, /* F9 */
570 { 0x00, 0x00 }, /* FA */
571 { 0x00, 0x00 }, /* FB */
572 { 0x00, 0x00 }, /* FC */
573 { 0x00, 0x00 }, /* FD */
574 { 0x00, 0x00 }, /* FE */
575 { 0xFF, 0x00 }, /* FF */
576 };
577
578 static int max98095_readable(struct snd_soc_codec *codec, unsigned int reg)
579 {
580 if (reg >= M98095_REG_CNT)
581 return 0;
582 return max98095_access[reg].readable != 0;
583 }
584
585 static int max98095_volatile(struct snd_soc_codec *codec, unsigned int reg)
586 {
587 if (reg > M98095_REG_MAX_CACHED)
588 return 1;
589
590 switch (reg) {
591 case M98095_000_HOST_DATA:
592 case M98095_001_HOST_INT_STS:
593 case M98095_002_HOST_RSP_STS:
594 case M98095_003_HOST_CMD_STS:
595 case M98095_004_CODEC_STS:
596 case M98095_005_DAI1_ALC_STS:
597 case M98095_006_DAI2_ALC_STS:
598 case M98095_007_JACK_AUTO_STS:
599 case M98095_008_JACK_MANUAL_STS:
600 case M98095_009_JACK_VBAT_STS:
601 case M98095_00A_ACC_ADC_STS:
602 case M98095_00B_MIC_NG_AGC_STS:
603 case M98095_00C_SPK_L_VOLT_STS:
604 case M98095_00D_SPK_R_VOLT_STS:
605 case M98095_00E_TEMP_SENSOR_STS:
606 return 1;
607 }
608
609 return 0;
610 }
611
612 /*
613 * Filter coefficients are in a separate register segment
614 * and they share the address space of the normal registers.
615 * The coefficient registers do not need or share the cache.
616 */
617 static int max98095_hw_write(struct snd_soc_codec *codec, unsigned int reg,
618 unsigned int value)
619 {
620 int ret;
621
622 codec->cache_bypass = 1;
623 ret = snd_soc_write(codec, reg, value);
624 codec->cache_bypass = 0;
625
626 return ret ? -EIO : 0;
627 }
628
629 /*
630 * Load equalizer DSP coefficient configurations registers
631 */
632 static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai,
633 unsigned int band, u16 *coefs)
634 {
635 unsigned int eq_reg;
636 unsigned int i;
637
638 BUG_ON(band > 4);
639 BUG_ON(dai > 1);
640
641 /* Load the base register address */
642 eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
643
644 /* Add the band address offset, note adjustment for word address */
645 eq_reg += band * (M98095_COEFS_PER_BAND << 1);
646
647 /* Step through the registers and coefs */
648 for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
649 max98095_hw_write(codec, eq_reg++, M98095_BYTE1(coefs[i]));
650 max98095_hw_write(codec, eq_reg++, M98095_BYTE0(coefs[i]));
651 }
652 }
653
654 /*
655 * Load biquad filter coefficient configurations registers
656 */
657 static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai,
658 unsigned int band, u16 *coefs)
659 {
660 unsigned int bq_reg;
661 unsigned int i;
662
663 BUG_ON(band > 1);
664 BUG_ON(dai > 1);
665
666 /* Load the base register address */
667 bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
668
669 /* Add the band address offset, note adjustment for word address */
670 bq_reg += band * (M98095_COEFS_PER_BAND << 1);
671
672 /* Step through the registers and coefs */
673 for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
674 max98095_hw_write(codec, bq_reg++, M98095_BYTE1(coefs[i]));
675 max98095_hw_write(codec, bq_reg++, M98095_BYTE0(coefs[i]));
676 }
677 }
678
679 static const char * const max98095_fltr_mode[] = { "Voice", "Music" };
680 static const struct soc_enum max98095_dai1_filter_mode_enum[] = {
681 SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 7, 2, max98095_fltr_mode),
682 };
683 static const struct soc_enum max98095_dai2_filter_mode_enum[] = {
684 SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 7, 2, max98095_fltr_mode),
685 };
686
687 static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" };
688
689 static const struct soc_enum max98095_extmic_enum =
690 SOC_ENUM_SINGLE(M98095_087_CFG_MIC, 0, 3, max98095_extmic_text);
691
692 static const struct snd_kcontrol_new max98095_extmic_mux =
693 SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum);
694
695 static const char * const max98095_linein_text[] = { "INA", "INB" };
696
697 static const struct soc_enum max98095_linein_enum =
698 SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 6, 2, max98095_linein_text);
699
700 static const struct snd_kcontrol_new max98095_linein_mux =
701 SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum);
702
703 static const char * const max98095_line_mode_text[] = {
704 "Stereo", "Differential"};
705
706 static const struct soc_enum max98095_linein_mode_enum =
707 SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 7, 2, max98095_line_mode_text);
708
709 static const struct soc_enum max98095_lineout_mode_enum =
710 SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 4, 2, max98095_line_mode_text);
711
712 static const char * const max98095_dai_fltr[] = {
713 "Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k",
714 "Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"};
715 static const struct soc_enum max98095_dai1_dac_filter_enum[] = {
716 SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 0, 6, max98095_dai_fltr),
717 };
718 static const struct soc_enum max98095_dai2_dac_filter_enum[] = {
719 SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 0, 6, max98095_dai_fltr),
720 };
721 static const struct soc_enum max98095_dai3_dac_filter_enum[] = {
722 SOC_ENUM_SINGLE(M98095_042_DAI3_FILTERS, 0, 6, max98095_dai_fltr),
723 };
724
725 static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol,
726 struct snd_ctl_elem_value *ucontrol)
727 {
728 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
729 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
730 unsigned int sel = ucontrol->value.integer.value[0];
731
732 max98095->mic1pre = sel;
733 snd_soc_update_bits(codec, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK,
734 (1+sel)<<M98095_MICPRE_SHIFT);
735
736 return 0;
737 }
738
739 static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol,
740 struct snd_ctl_elem_value *ucontrol)
741 {
742 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
743 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
744
745 ucontrol->value.integer.value[0] = max98095->mic1pre;
746 return 0;
747 }
748
749 static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol,
750 struct snd_ctl_elem_value *ucontrol)
751 {
752 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
753 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
754 unsigned int sel = ucontrol->value.integer.value[0];
755
756 max98095->mic2pre = sel;
757 snd_soc_update_bits(codec, M98095_060_LVL_MIC2, M98095_MICPRE_MASK,
758 (1+sel)<<M98095_MICPRE_SHIFT);
759
760 return 0;
761 }
762
763 static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol,
764 struct snd_ctl_elem_value *ucontrol)
765 {
766 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
767 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
768
769 ucontrol->value.integer.value[0] = max98095->mic2pre;
770 return 0;
771 }
772
773 static const unsigned int max98095_micboost_tlv[] = {
774 TLV_DB_RANGE_HEAD(2),
775 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
776 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
777 };
778
779 static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0);
780 static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0);
781 static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0);
782
783 static const unsigned int max98095_hp_tlv[] = {
784 TLV_DB_RANGE_HEAD(5),
785 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
786 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
787 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
788 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
789 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0),
790 };
791
792 static const unsigned int max98095_spk_tlv[] = {
793 TLV_DB_RANGE_HEAD(4),
794 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0),
795 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0),
796 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0),
797 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0),
798 };
799
800 static const unsigned int max98095_rcv_lout_tlv[] = {
801 TLV_DB_RANGE_HEAD(5),
802 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
803 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
804 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
805 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
806 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0),
807 };
808
809 static const unsigned int max98095_lin_tlv[] = {
810 TLV_DB_RANGE_HEAD(3),
811 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0),
812 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0),
813 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0),
814 };
815
816 static const struct snd_kcontrol_new max98095_snd_controls[] = {
817
818 SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L,
819 M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv),
820
821 SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L,
822 M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv),
823
824 SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV,
825 0, 31, 0, max98095_rcv_lout_tlv),
826
827 SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1,
828 M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv),
829
830 SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L,
831 M98095_065_LVL_HP_R, 7, 1, 1),
832
833 SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L,
834 M98095_068_LVL_SPK_R, 7, 1, 1),
835
836 SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1),
837
838 SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1,
839 M98095_063_LVL_LINEOUT2, 7, 1, 1),
840
841 SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1,
842 max98095_mic_tlv),
843
844 SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1,
845 max98095_mic_tlv),
846
847 SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
848 M98095_05F_LVL_MIC1, 5, 2, 0,
849 max98095_mic1pre_get, max98095_mic1pre_set,
850 max98095_micboost_tlv),
851 SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
852 M98095_060_LVL_MIC2, 5, 2, 0,
853 max98095_mic2pre_get, max98095_mic2pre_set,
854 max98095_micboost_tlv),
855
856 SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1,
857 max98095_lin_tlv),
858
859 SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1,
860 max98095_adc_tlv),
861 SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1,
862 max98095_adc_tlv),
863
864 SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0,
865 max98095_adcboost_tlv),
866 SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0,
867 max98095_adcboost_tlv),
868
869 SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0),
870 SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0),
871
872 SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0),
873 SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0),
874
875 SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum),
876 SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum),
877 SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum),
878 SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum),
879 SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum),
880
881 SOC_ENUM("Linein Mode", max98095_linein_mode_enum),
882 SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum),
883 };
884
885 /* Left speaker mixer switch */
886 static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = {
887 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0),
888 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0),
889 SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
890 SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
891 SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0),
892 SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0),
893 SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0),
894 SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0),
895 };
896
897 /* Right speaker mixer switch */
898 static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = {
899 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0),
900 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0),
901 SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
902 SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
903 SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0),
904 SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0),
905 SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0),
906 SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0),
907 };
908
909 /* Left headphone mixer switch */
910 static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = {
911 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0),
912 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0),
913 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0),
914 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0),
915 SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0),
916 SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0),
917 };
918
919 /* Right headphone mixer switch */
920 static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = {
921 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0),
922 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0),
923 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0),
924 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0),
925 SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0),
926 SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0),
927 };
928
929 /* Receiver earpiece mixer switch */
930 static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = {
931 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0),
932 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0),
933 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0),
934 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0),
935 SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0),
936 SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0),
937 };
938
939 /* Left lineout mixer switch */
940 static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = {
941 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0),
942 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0),
943 SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0),
944 SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0),
945 SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0),
946 SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0),
947 };
948
949 /* Right lineout mixer switch */
950 static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = {
951 SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0),
952 SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0),
953 SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0),
954 SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0),
955 SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0),
956 SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0),
957 };
958
959 /* Left ADC mixer switch */
960 static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = {
961 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0),
962 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0),
963 SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0),
964 SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0),
965 };
966
967 /* Right ADC mixer switch */
968 static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = {
969 SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0),
970 SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0),
971 SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0),
972 SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0),
973 };
974
975 static int max98095_mic_event(struct snd_soc_dapm_widget *w,
976 struct snd_kcontrol *kcontrol, int event)
977 {
978 struct snd_soc_codec *codec = w->codec;
979 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
980
981 switch (event) {
982 case SND_SOC_DAPM_POST_PMU:
983 if (w->reg == M98095_05F_LVL_MIC1) {
984 snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
985 (1+max98095->mic1pre)<<M98095_MICPRE_SHIFT);
986 } else {
987 snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
988 (1+max98095->mic2pre)<<M98095_MICPRE_SHIFT);
989 }
990 break;
991 case SND_SOC_DAPM_POST_PMD:
992 snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK, 0);
993 break;
994 default:
995 return -EINVAL;
996 }
997
998 return 0;
999 }
1000
1001 /*
1002 * The line inputs are stereo inputs with the left and right
1003 * channels sharing a common PGA power control signal.
1004 */
1005 static int max98095_line_pga(struct snd_soc_dapm_widget *w,
1006 int event, u8 channel)
1007 {
1008 struct snd_soc_codec *codec = w->codec;
1009 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1010 u8 *state;
1011
1012 BUG_ON(!((channel == 1) || (channel == 2)));
1013
1014 state = &max98095->lin_state;
1015
1016 switch (event) {
1017 case SND_SOC_DAPM_POST_PMU:
1018 *state |= channel;
1019 snd_soc_update_bits(codec, w->reg,
1020 (1 << w->shift), (1 << w->shift));
1021 break;
1022 case SND_SOC_DAPM_POST_PMD:
1023 *state &= ~channel;
1024 if (*state == 0) {
1025 snd_soc_update_bits(codec, w->reg,
1026 (1 << w->shift), 0);
1027 }
1028 break;
1029 default:
1030 return -EINVAL;
1031 }
1032
1033 return 0;
1034 }
1035
1036 static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w,
1037 struct snd_kcontrol *k, int event)
1038 {
1039 return max98095_line_pga(w, event, 1);
1040 }
1041
1042 static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w,
1043 struct snd_kcontrol *k, int event)
1044 {
1045 return max98095_line_pga(w, event, 2);
1046 }
1047
1048 /*
1049 * The stereo line out mixer outputs to two stereo line outs.
1050 * The 2nd pair has a separate set of enables.
1051 */
1052 static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
1053 struct snd_kcontrol *kcontrol, int event)
1054 {
1055 struct snd_soc_codec *codec = w->codec;
1056
1057 switch (event) {
1058 case SND_SOC_DAPM_POST_PMU:
1059 snd_soc_update_bits(codec, w->reg,
1060 (1 << (w->shift+2)), (1 << (w->shift+2)));
1061 break;
1062 case SND_SOC_DAPM_POST_PMD:
1063 snd_soc_update_bits(codec, w->reg,
1064 (1 << (w->shift+2)), 0);
1065 break;
1066 default:
1067 return -EINVAL;
1068 }
1069
1070 return 0;
1071 }
1072
1073 static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = {
1074
1075 SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0),
1076 SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0),
1077
1078 SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
1079 M98095_091_PWR_EN_OUT, 0, 0),
1080 SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
1081 M98095_091_PWR_EN_OUT, 1, 0),
1082 SND_SOC_DAPM_DAC("DACM2", "Aux Playback",
1083 M98095_091_PWR_EN_OUT, 2, 0),
1084 SND_SOC_DAPM_DAC("DACM3", "Voice Playback",
1085 M98095_091_PWR_EN_OUT, 2, 0),
1086
1087 SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT,
1088 6, 0, NULL, 0),
1089 SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT,
1090 7, 0, NULL, 0),
1091
1092 SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT,
1093 4, 0, NULL, 0),
1094 SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT,
1095 5, 0, NULL, 0),
1096
1097 SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT,
1098 3, 0, NULL, 0),
1099
1100 SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT,
1101 0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
1102 SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT,
1103 1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
1104
1105 SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
1106 &max98095_extmic_mux),
1107
1108 SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0,
1109 &max98095_linein_mux),
1110
1111 SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
1112 &max98095_left_hp_mixer_controls[0],
1113 ARRAY_SIZE(max98095_left_hp_mixer_controls)),
1114
1115 SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
1116 &max98095_right_hp_mixer_controls[0],
1117 ARRAY_SIZE(max98095_right_hp_mixer_controls)),
1118
1119 SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
1120 &max98095_left_speaker_mixer_controls[0],
1121 ARRAY_SIZE(max98095_left_speaker_mixer_controls)),
1122
1123 SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
1124 &max98095_right_speaker_mixer_controls[0],
1125 ARRAY_SIZE(max98095_right_speaker_mixer_controls)),
1126
1127 SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0,
1128 &max98095_mono_rcv_mixer_controls[0],
1129 ARRAY_SIZE(max98095_mono_rcv_mixer_controls)),
1130
1131 SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
1132 &max98095_left_lineout_mixer_controls[0],
1133 ARRAY_SIZE(max98095_left_lineout_mixer_controls)),
1134
1135 SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
1136 &max98095_right_lineout_mixer_controls[0],
1137 ARRAY_SIZE(max98095_right_lineout_mixer_controls)),
1138
1139 SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1140 &max98095_left_ADC_mixer_controls[0],
1141 ARRAY_SIZE(max98095_left_ADC_mixer_controls)),
1142
1143 SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1144 &max98095_right_ADC_mixer_controls[0],
1145 ARRAY_SIZE(max98095_right_ADC_mixer_controls)),
1146
1147 SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1,
1148 5, 0, NULL, 0, max98095_mic_event,
1149 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1150
1151 SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2,
1152 5, 0, NULL, 0, max98095_mic_event,
1153 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1154
1155 SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN,
1156 7, 0, NULL, 0, max98095_pga_in1_event,
1157 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1158
1159 SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN,
1160 7, 0, NULL, 0, max98095_pga_in2_event,
1161 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1162
1163 SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0),
1164 SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0),
1165
1166 SND_SOC_DAPM_OUTPUT("HPL"),
1167 SND_SOC_DAPM_OUTPUT("HPR"),
1168 SND_SOC_DAPM_OUTPUT("SPKL"),
1169 SND_SOC_DAPM_OUTPUT("SPKR"),
1170 SND_SOC_DAPM_OUTPUT("RCV"),
1171 SND_SOC_DAPM_OUTPUT("OUT1"),
1172 SND_SOC_DAPM_OUTPUT("OUT2"),
1173 SND_SOC_DAPM_OUTPUT("OUT3"),
1174 SND_SOC_DAPM_OUTPUT("OUT4"),
1175
1176 SND_SOC_DAPM_INPUT("MIC1"),
1177 SND_SOC_DAPM_INPUT("MIC2"),
1178 SND_SOC_DAPM_INPUT("INA1"),
1179 SND_SOC_DAPM_INPUT("INA2"),
1180 SND_SOC_DAPM_INPUT("INB1"),
1181 SND_SOC_DAPM_INPUT("INB2"),
1182 };
1183
1184 static const struct snd_soc_dapm_route max98095_audio_map[] = {
1185 /* Left headphone output mixer */
1186 {"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"},
1187 {"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"},
1188 {"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1189 {"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1190 {"Left Headphone Mixer", "IN1 Switch", "IN1 Input"},
1191 {"Left Headphone Mixer", "IN2 Switch", "IN2 Input"},
1192
1193 /* Right headphone output mixer */
1194 {"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"},
1195 {"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"},
1196 {"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1197 {"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1198 {"Right Headphone Mixer", "IN1 Switch", "IN1 Input"},
1199 {"Right Headphone Mixer", "IN2 Switch", "IN2 Input"},
1200
1201 /* Left speaker output mixer */
1202 {"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"},
1203 {"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"},
1204 {"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
1205 {"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
1206 {"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1207 {"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1208 {"Left Speaker Mixer", "IN1 Switch", "IN1 Input"},
1209 {"Left Speaker Mixer", "IN2 Switch", "IN2 Input"},
1210
1211 /* Right speaker output mixer */
1212 {"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"},
1213 {"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"},
1214 {"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
1215 {"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
1216 {"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1217 {"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1218 {"Right Speaker Mixer", "IN1 Switch", "IN1 Input"},
1219 {"Right Speaker Mixer", "IN2 Switch", "IN2 Input"},
1220
1221 /* Earpiece/Receiver output mixer */
1222 {"Receiver Mixer", "Left DAC1 Switch", "DACL1"},
1223 {"Receiver Mixer", "Right DAC1 Switch", "DACR1"},
1224 {"Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1225 {"Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1226 {"Receiver Mixer", "IN1 Switch", "IN1 Input"},
1227 {"Receiver Mixer", "IN2 Switch", "IN2 Input"},
1228
1229 /* Left Lineout output mixer */
1230 {"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"},
1231 {"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"},
1232 {"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
1233 {"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
1234 {"Left Lineout Mixer", "IN1 Switch", "IN1 Input"},
1235 {"Left Lineout Mixer", "IN2 Switch", "IN2 Input"},
1236
1237 /* Right lineout output mixer */
1238 {"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"},
1239 {"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"},
1240 {"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
1241 {"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
1242 {"Right Lineout Mixer", "IN1 Switch", "IN1 Input"},
1243 {"Right Lineout Mixer", "IN2 Switch", "IN2 Input"},
1244
1245 {"HP Left Out", NULL, "Left Headphone Mixer"},
1246 {"HP Right Out", NULL, "Right Headphone Mixer"},
1247 {"SPK Left Out", NULL, "Left Speaker Mixer"},
1248 {"SPK Right Out", NULL, "Right Speaker Mixer"},
1249 {"RCV Mono Out", NULL, "Receiver Mixer"},
1250 {"LINE Left Out", NULL, "Left Lineout Mixer"},
1251 {"LINE Right Out", NULL, "Right Lineout Mixer"},
1252
1253 {"HPL", NULL, "HP Left Out"},
1254 {"HPR", NULL, "HP Right Out"},
1255 {"SPKL", NULL, "SPK Left Out"},
1256 {"SPKR", NULL, "SPK Right Out"},
1257 {"RCV", NULL, "RCV Mono Out"},
1258 {"OUT1", NULL, "LINE Left Out"},
1259 {"OUT2", NULL, "LINE Right Out"},
1260 {"OUT3", NULL, "LINE Left Out"},
1261 {"OUT4", NULL, "LINE Right Out"},
1262
1263 /* Left ADC input mixer */
1264 {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1265 {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1266 {"Left ADC Mixer", "IN1 Switch", "IN1 Input"},
1267 {"Left ADC Mixer", "IN2 Switch", "IN2 Input"},
1268
1269 /* Right ADC input mixer */
1270 {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1271 {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1272 {"Right ADC Mixer", "IN1 Switch", "IN1 Input"},
1273 {"Right ADC Mixer", "IN2 Switch", "IN2 Input"},
1274
1275 /* Inputs */
1276 {"ADCL", NULL, "Left ADC Mixer"},
1277 {"ADCR", NULL, "Right ADC Mixer"},
1278
1279 {"IN1 Input", NULL, "INA1"},
1280 {"IN2 Input", NULL, "INA2"},
1281
1282 {"MIC1 Input", NULL, "MIC1"},
1283 {"MIC2 Input", NULL, "MIC2"},
1284 };
1285
1286 static int max98095_add_widgets(struct snd_soc_codec *codec)
1287 {
1288 snd_soc_add_controls(codec, max98095_snd_controls,
1289 ARRAY_SIZE(max98095_snd_controls));
1290
1291 return 0;
1292 }
1293
1294 /* codec mclk clock divider coefficients */
1295 static const struct {
1296 u32 rate;
1297 u8 sr;
1298 } rate_table[] = {
1299 {8000, 0x01},
1300 {11025, 0x02},
1301 {16000, 0x03},
1302 {22050, 0x04},
1303 {24000, 0x05},
1304 {32000, 0x06},
1305 {44100, 0x07},
1306 {48000, 0x08},
1307 {88200, 0x09},
1308 {96000, 0x0A},
1309 };
1310
1311 static int rate_value(int rate, u8 *value)
1312 {
1313 int i;
1314
1315 for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
1316 if (rate_table[i].rate >= rate) {
1317 *value = rate_table[i].sr;
1318 return 0;
1319 }
1320 }
1321 *value = rate_table[0].sr;
1322 return -EINVAL;
1323 }
1324
1325 static int max98095_dai1_hw_params(struct snd_pcm_substream *substream,
1326 struct snd_pcm_hw_params *params,
1327 struct snd_soc_dai *dai)
1328 {
1329 struct snd_soc_codec *codec = dai->codec;
1330 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1331 struct max98095_cdata *cdata;
1332 unsigned long long ni;
1333 unsigned int rate;
1334 u8 regval;
1335
1336 cdata = &max98095->dai[0];
1337
1338 rate = params_rate(params);
1339
1340 switch (params_format(params)) {
1341 case SNDRV_PCM_FORMAT_S16_LE:
1342 snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1343 M98095_DAI_WS, 0);
1344 break;
1345 case SNDRV_PCM_FORMAT_S24_LE:
1346 snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1347 M98095_DAI_WS, M98095_DAI_WS);
1348 break;
1349 default:
1350 return -EINVAL;
1351 }
1352
1353 if (rate_value(rate, &regval))
1354 return -EINVAL;
1355
1356 snd_soc_update_bits(codec, M98095_027_DAI1_CLKMODE,
1357 M98095_CLKMODE_MASK, regval);
1358 cdata->rate = rate;
1359
1360 /* Configure NI when operating as master */
1361 if (snd_soc_read(codec, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) {
1362 if (max98095->sysclk == 0) {
1363 dev_err(codec->dev, "Invalid system clock frequency\n");
1364 return -EINVAL;
1365 }
1366 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1367 * (unsigned long long int)rate;
1368 do_div(ni, (unsigned long long int)max98095->sysclk);
1369 snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
1370 (ni >> 8) & 0x7F);
1371 snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
1372 ni & 0xFF);
1373 }
1374
1375 /* Update sample rate mode */
1376 if (rate < 50000)
1377 snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
1378 M98095_DAI_DHF, 0);
1379 else
1380 snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
1381 M98095_DAI_DHF, M98095_DAI_DHF);
1382
1383 return 0;
1384 }
1385
1386 static int max98095_dai2_hw_params(struct snd_pcm_substream *substream,
1387 struct snd_pcm_hw_params *params,
1388 struct snd_soc_dai *dai)
1389 {
1390 struct snd_soc_codec *codec = dai->codec;
1391 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1392 struct max98095_cdata *cdata;
1393 unsigned long long ni;
1394 unsigned int rate;
1395 u8 regval;
1396
1397 cdata = &max98095->dai[1];
1398
1399 rate = params_rate(params);
1400
1401 switch (params_format(params)) {
1402 case SNDRV_PCM_FORMAT_S16_LE:
1403 snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1404 M98095_DAI_WS, 0);
1405 break;
1406 case SNDRV_PCM_FORMAT_S24_LE:
1407 snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1408 M98095_DAI_WS, M98095_DAI_WS);
1409 break;
1410 default:
1411 return -EINVAL;
1412 }
1413
1414 if (rate_value(rate, &regval))
1415 return -EINVAL;
1416
1417 snd_soc_update_bits(codec, M98095_031_DAI2_CLKMODE,
1418 M98095_CLKMODE_MASK, regval);
1419 cdata->rate = rate;
1420
1421 /* Configure NI when operating as master */
1422 if (snd_soc_read(codec, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) {
1423 if (max98095->sysclk == 0) {
1424 dev_err(codec->dev, "Invalid system clock frequency\n");
1425 return -EINVAL;
1426 }
1427 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1428 * (unsigned long long int)rate;
1429 do_div(ni, (unsigned long long int)max98095->sysclk);
1430 snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
1431 (ni >> 8) & 0x7F);
1432 snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
1433 ni & 0xFF);
1434 }
1435
1436 /* Update sample rate mode */
1437 if (rate < 50000)
1438 snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
1439 M98095_DAI_DHF, 0);
1440 else
1441 snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
1442 M98095_DAI_DHF, M98095_DAI_DHF);
1443
1444 return 0;
1445 }
1446
1447 static int max98095_dai3_hw_params(struct snd_pcm_substream *substream,
1448 struct snd_pcm_hw_params *params,
1449 struct snd_soc_dai *dai)
1450 {
1451 struct snd_soc_codec *codec = dai->codec;
1452 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1453 struct max98095_cdata *cdata;
1454 unsigned long long ni;
1455 unsigned int rate;
1456 u8 regval;
1457
1458 cdata = &max98095->dai[2];
1459
1460 rate = params_rate(params);
1461
1462 switch (params_format(params)) {
1463 case SNDRV_PCM_FORMAT_S16_LE:
1464 snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1465 M98095_DAI_WS, 0);
1466 break;
1467 case SNDRV_PCM_FORMAT_S24_LE:
1468 snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1469 M98095_DAI_WS, M98095_DAI_WS);
1470 break;
1471 default:
1472 return -EINVAL;
1473 }
1474
1475 if (rate_value(rate, &regval))
1476 return -EINVAL;
1477
1478 snd_soc_update_bits(codec, M98095_03B_DAI3_CLKMODE,
1479 M98095_CLKMODE_MASK, regval);
1480 cdata->rate = rate;
1481
1482 /* Configure NI when operating as master */
1483 if (snd_soc_read(codec, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) {
1484 if (max98095->sysclk == 0) {
1485 dev_err(codec->dev, "Invalid system clock frequency\n");
1486 return -EINVAL;
1487 }
1488 ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1489 * (unsigned long long int)rate;
1490 do_div(ni, (unsigned long long int)max98095->sysclk);
1491 snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
1492 (ni >> 8) & 0x7F);
1493 snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
1494 ni & 0xFF);
1495 }
1496
1497 /* Update sample rate mode */
1498 if (rate < 50000)
1499 snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
1500 M98095_DAI_DHF, 0);
1501 else
1502 snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
1503 M98095_DAI_DHF, M98095_DAI_DHF);
1504
1505 return 0;
1506 }
1507
1508 static int max98095_dai_set_sysclk(struct snd_soc_dai *dai,
1509 int clk_id, unsigned int freq, int dir)
1510 {
1511 struct snd_soc_codec *codec = dai->codec;
1512 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1513
1514 /* Requested clock frequency is already setup */
1515 if (freq == max98095->sysclk)
1516 return 0;
1517
1518 /* Setup clocks for slave mode, and using the PLL
1519 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1520 * 0x02 (when master clk is 20MHz to 40MHz)..
1521 * 0x03 (when master clk is 40MHz to 60MHz)..
1522 */
1523 if ((freq >= 10000000) && (freq < 20000000)) {
1524 snd_soc_write(codec, M98095_026_SYS_CLK, 0x10);
1525 } else if ((freq >= 20000000) && (freq < 40000000)) {
1526 snd_soc_write(codec, M98095_026_SYS_CLK, 0x20);
1527 } else if ((freq >= 40000000) && (freq < 60000000)) {
1528 snd_soc_write(codec, M98095_026_SYS_CLK, 0x30);
1529 } else {
1530 dev_err(codec->dev, "Invalid master clock frequency\n");
1531 return -EINVAL;
1532 }
1533
1534 dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1535
1536 max98095->sysclk = freq;
1537 return 0;
1538 }
1539
1540 static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1541 unsigned int fmt)
1542 {
1543 struct snd_soc_codec *codec = codec_dai->codec;
1544 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1545 struct max98095_cdata *cdata;
1546 u8 regval = 0;
1547
1548 cdata = &max98095->dai[0];
1549
1550 if (fmt != cdata->fmt) {
1551 cdata->fmt = fmt;
1552
1553 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1554 case SND_SOC_DAIFMT_CBS_CFS:
1555 /* Slave mode PLL */
1556 snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
1557 0x80);
1558 snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
1559 0x00);
1560 break;
1561 case SND_SOC_DAIFMT_CBM_CFM:
1562 /* Set to master mode */
1563 regval |= M98095_DAI_MAS;
1564 break;
1565 case SND_SOC_DAIFMT_CBS_CFM:
1566 case SND_SOC_DAIFMT_CBM_CFS:
1567 default:
1568 dev_err(codec->dev, "Clock mode unsupported");
1569 return -EINVAL;
1570 }
1571
1572 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1573 case SND_SOC_DAIFMT_I2S:
1574 regval |= M98095_DAI_DLY;
1575 break;
1576 case SND_SOC_DAIFMT_LEFT_J:
1577 break;
1578 default:
1579 return -EINVAL;
1580 }
1581
1582 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1583 case SND_SOC_DAIFMT_NB_NF:
1584 break;
1585 case SND_SOC_DAIFMT_NB_IF:
1586 regval |= M98095_DAI_WCI;
1587 break;
1588 case SND_SOC_DAIFMT_IB_NF:
1589 regval |= M98095_DAI_BCI;
1590 break;
1591 case SND_SOC_DAIFMT_IB_IF:
1592 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1593 break;
1594 default:
1595 return -EINVAL;
1596 }
1597
1598 snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1599 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1600 M98095_DAI_WCI, regval);
1601
1602 snd_soc_write(codec, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
1603 }
1604
1605 return 0;
1606 }
1607
1608 static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1609 unsigned int fmt)
1610 {
1611 struct snd_soc_codec *codec = codec_dai->codec;
1612 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1613 struct max98095_cdata *cdata;
1614 u8 regval = 0;
1615
1616 cdata = &max98095->dai[1];
1617
1618 if (fmt != cdata->fmt) {
1619 cdata->fmt = fmt;
1620
1621 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1622 case SND_SOC_DAIFMT_CBS_CFS:
1623 /* Slave mode PLL */
1624 snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
1625 0x80);
1626 snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
1627 0x00);
1628 break;
1629 case SND_SOC_DAIFMT_CBM_CFM:
1630 /* Set to master mode */
1631 regval |= M98095_DAI_MAS;
1632 break;
1633 case SND_SOC_DAIFMT_CBS_CFM:
1634 case SND_SOC_DAIFMT_CBM_CFS:
1635 default:
1636 dev_err(codec->dev, "Clock mode unsupported");
1637 return -EINVAL;
1638 }
1639
1640 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1641 case SND_SOC_DAIFMT_I2S:
1642 regval |= M98095_DAI_DLY;
1643 break;
1644 case SND_SOC_DAIFMT_LEFT_J:
1645 break;
1646 default:
1647 return -EINVAL;
1648 }
1649
1650 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1651 case SND_SOC_DAIFMT_NB_NF:
1652 break;
1653 case SND_SOC_DAIFMT_NB_IF:
1654 regval |= M98095_DAI_WCI;
1655 break;
1656 case SND_SOC_DAIFMT_IB_NF:
1657 regval |= M98095_DAI_BCI;
1658 break;
1659 case SND_SOC_DAIFMT_IB_IF:
1660 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1661 break;
1662 default:
1663 return -EINVAL;
1664 }
1665
1666 snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1667 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1668 M98095_DAI_WCI, regval);
1669
1670 snd_soc_write(codec, M98095_035_DAI2_CLOCK,
1671 M98095_DAI_BSEL64);
1672 }
1673
1674 return 0;
1675 }
1676
1677 static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
1678 unsigned int fmt)
1679 {
1680 struct snd_soc_codec *codec = codec_dai->codec;
1681 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1682 struct max98095_cdata *cdata;
1683 u8 regval = 0;
1684
1685 cdata = &max98095->dai[2];
1686
1687 if (fmt != cdata->fmt) {
1688 cdata->fmt = fmt;
1689
1690 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1691 case SND_SOC_DAIFMT_CBS_CFS:
1692 /* Slave mode PLL */
1693 snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
1694 0x80);
1695 snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
1696 0x00);
1697 break;
1698 case SND_SOC_DAIFMT_CBM_CFM:
1699 /* Set to master mode */
1700 regval |= M98095_DAI_MAS;
1701 break;
1702 case SND_SOC_DAIFMT_CBS_CFM:
1703 case SND_SOC_DAIFMT_CBM_CFS:
1704 default:
1705 dev_err(codec->dev, "Clock mode unsupported");
1706 return -EINVAL;
1707 }
1708
1709 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1710 case SND_SOC_DAIFMT_I2S:
1711 regval |= M98095_DAI_DLY;
1712 break;
1713 case SND_SOC_DAIFMT_LEFT_J:
1714 break;
1715 default:
1716 return -EINVAL;
1717 }
1718
1719 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1720 case SND_SOC_DAIFMT_NB_NF:
1721 break;
1722 case SND_SOC_DAIFMT_NB_IF:
1723 regval |= M98095_DAI_WCI;
1724 break;
1725 case SND_SOC_DAIFMT_IB_NF:
1726 regval |= M98095_DAI_BCI;
1727 break;
1728 case SND_SOC_DAIFMT_IB_IF:
1729 regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1730 break;
1731 default:
1732 return -EINVAL;
1733 }
1734
1735 snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1736 M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1737 M98095_DAI_WCI, regval);
1738
1739 snd_soc_write(codec, M98095_03F_DAI3_CLOCK,
1740 M98095_DAI_BSEL64);
1741 }
1742
1743 return 0;
1744 }
1745
1746 static int max98095_set_bias_level(struct snd_soc_codec *codec,
1747 enum snd_soc_bias_level level)
1748 {
1749 int ret;
1750
1751 switch (level) {
1752 case SND_SOC_BIAS_ON:
1753 break;
1754
1755 case SND_SOC_BIAS_PREPARE:
1756 break;
1757
1758 case SND_SOC_BIAS_STANDBY:
1759 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1760 ret = snd_soc_cache_sync(codec);
1761
1762 if (ret != 0) {
1763 dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
1764 return ret;
1765 }
1766 }
1767
1768 snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1769 M98095_MBEN, M98095_MBEN);
1770 break;
1771
1772 case SND_SOC_BIAS_OFF:
1773 snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1774 M98095_MBEN, 0);
1775 codec->cache_sync = 1;
1776 break;
1777 }
1778 codec->dapm.bias_level = level;
1779 return 0;
1780 }
1781
1782 #define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
1783 #define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1784
1785 static struct snd_soc_dai_ops max98095_dai1_ops = {
1786 .set_sysclk = max98095_dai_set_sysclk,
1787 .set_fmt = max98095_dai1_set_fmt,
1788 .hw_params = max98095_dai1_hw_params,
1789 };
1790
1791 static struct snd_soc_dai_ops max98095_dai2_ops = {
1792 .set_sysclk = max98095_dai_set_sysclk,
1793 .set_fmt = max98095_dai2_set_fmt,
1794 .hw_params = max98095_dai2_hw_params,
1795 };
1796
1797 static struct snd_soc_dai_ops max98095_dai3_ops = {
1798 .set_sysclk = max98095_dai_set_sysclk,
1799 .set_fmt = max98095_dai3_set_fmt,
1800 .hw_params = max98095_dai3_hw_params,
1801 };
1802
1803 static struct snd_soc_dai_driver max98095_dai[] = {
1804 {
1805 .name = "HiFi",
1806 .playback = {
1807 .stream_name = "HiFi Playback",
1808 .channels_min = 1,
1809 .channels_max = 2,
1810 .rates = MAX98095_RATES,
1811 .formats = MAX98095_FORMATS,
1812 },
1813 .capture = {
1814 .stream_name = "HiFi Capture",
1815 .channels_min = 1,
1816 .channels_max = 2,
1817 .rates = MAX98095_RATES,
1818 .formats = MAX98095_FORMATS,
1819 },
1820 .ops = &max98095_dai1_ops,
1821 },
1822 {
1823 .name = "Aux",
1824 .playback = {
1825 .stream_name = "Aux Playback",
1826 .channels_min = 1,
1827 .channels_max = 1,
1828 .rates = MAX98095_RATES,
1829 .formats = MAX98095_FORMATS,
1830 },
1831 .ops = &max98095_dai2_ops,
1832 },
1833 {
1834 .name = "Voice",
1835 .playback = {
1836 .stream_name = "Voice Playback",
1837 .channels_min = 1,
1838 .channels_max = 1,
1839 .rates = MAX98095_RATES,
1840 .formats = MAX98095_FORMATS,
1841 },
1842 .ops = &max98095_dai3_ops,
1843 }
1844
1845 };
1846
1847 static int max98095_get_eq_channel(const char *name)
1848 {
1849 if (strcmp(name, "EQ1 Mode") == 0)
1850 return 0;
1851 if (strcmp(name, "EQ2 Mode") == 0)
1852 return 1;
1853 return -EINVAL;
1854 }
1855
1856 static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
1857 struct snd_ctl_elem_value *ucontrol)
1858 {
1859 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1860 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1861 struct max98095_pdata *pdata = max98095->pdata;
1862 int channel = max98095_get_eq_channel(kcontrol->id.name);
1863 struct max98095_cdata *cdata;
1864 int sel = ucontrol->value.integer.value[0];
1865 struct max98095_eq_cfg *coef_set;
1866 int fs, best, best_val, i;
1867 int regmask, regsave;
1868
1869 BUG_ON(channel > 1);
1870
1871 if (!pdata || !max98095->eq_textcnt)
1872 return 0;
1873
1874 if (sel >= pdata->eq_cfgcnt)
1875 return -EINVAL;
1876
1877 cdata = &max98095->dai[channel];
1878 cdata->eq_sel = sel;
1879 fs = cdata->rate;
1880
1881 /* Find the selected configuration with nearest sample rate */
1882 best = 0;
1883 best_val = INT_MAX;
1884 for (i = 0; i < pdata->eq_cfgcnt; i++) {
1885 if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
1886 abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1887 best = i;
1888 best_val = abs(pdata->eq_cfg[i].rate - fs);
1889 }
1890 }
1891
1892 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1893 pdata->eq_cfg[best].name,
1894 pdata->eq_cfg[best].rate, fs);
1895
1896 coef_set = &pdata->eq_cfg[best];
1897
1898 regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
1899
1900 /* Disable filter while configuring, and save current on/off state */
1901 regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
1902 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
1903
1904 mutex_lock(&codec->mutex);
1905 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1906 m98095_eq_band(codec, channel, 0, coef_set->band1);
1907 m98095_eq_band(codec, channel, 1, coef_set->band2);
1908 m98095_eq_band(codec, channel, 2, coef_set->band3);
1909 m98095_eq_band(codec, channel, 3, coef_set->band4);
1910 m98095_eq_band(codec, channel, 4, coef_set->band5);
1911 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
1912 mutex_unlock(&codec->mutex);
1913
1914 /* Restore the original on/off state */
1915 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
1916 return 0;
1917 }
1918
1919 static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
1920 struct snd_ctl_elem_value *ucontrol)
1921 {
1922 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1923 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1924 int channel = max98095_get_eq_channel(kcontrol->id.name);
1925 struct max98095_cdata *cdata;
1926
1927 cdata = &max98095->dai[channel];
1928 ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1929
1930 return 0;
1931 }
1932
1933 static void max98095_handle_eq_pdata(struct snd_soc_codec *codec)
1934 {
1935 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1936 struct max98095_pdata *pdata = max98095->pdata;
1937 struct max98095_eq_cfg *cfg;
1938 unsigned int cfgcnt;
1939 int i, j;
1940 const char **t;
1941 int ret;
1942
1943 struct snd_kcontrol_new controls[] = {
1944 SOC_ENUM_EXT("EQ1 Mode",
1945 max98095->eq_enum,
1946 max98095_get_eq_enum,
1947 max98095_put_eq_enum),
1948 SOC_ENUM_EXT("EQ2 Mode",
1949 max98095->eq_enum,
1950 max98095_get_eq_enum,
1951 max98095_put_eq_enum),
1952 };
1953
1954 cfg = pdata->eq_cfg;
1955 cfgcnt = pdata->eq_cfgcnt;
1956
1957 /* Setup an array of texts for the equalizer enum.
1958 * This is based on Mark Brown's equalizer driver code.
1959 */
1960 max98095->eq_textcnt = 0;
1961 max98095->eq_texts = NULL;
1962 for (i = 0; i < cfgcnt; i++) {
1963 for (j = 0; j < max98095->eq_textcnt; j++) {
1964 if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
1965 break;
1966 }
1967
1968 if (j != max98095->eq_textcnt)
1969 continue;
1970
1971 /* Expand the array */
1972 t = krealloc(max98095->eq_texts,
1973 sizeof(char *) * (max98095->eq_textcnt + 1),
1974 GFP_KERNEL);
1975 if (t == NULL)
1976 continue;
1977
1978 /* Store the new entry */
1979 t[max98095->eq_textcnt] = cfg[i].name;
1980 max98095->eq_textcnt++;
1981 max98095->eq_texts = t;
1982 }
1983
1984 /* Now point the soc_enum to .texts array items */
1985 max98095->eq_enum.texts = max98095->eq_texts;
1986 max98095->eq_enum.max = max98095->eq_textcnt;
1987
1988 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
1989 if (ret != 0)
1990 dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
1991 }
1992
1993 static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"};
1994
1995 static int max98095_get_bq_channel(struct snd_soc_codec *codec,
1996 const char *name)
1997 {
1998 int i;
1999
2000 for (i = 0; i < ARRAY_SIZE(bq_mode_name); i++)
2001 if (strcmp(name, bq_mode_name[i]) == 0)
2002 return i;
2003
2004 /* Shouldn't happen */
2005 dev_err(codec->dev, "Bad biquad channel name '%s'\n", name);
2006 return -EINVAL;
2007 }
2008
2009 static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
2010 struct snd_ctl_elem_value *ucontrol)
2011 {
2012 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2013 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2014 struct max98095_pdata *pdata = max98095->pdata;
2015 int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
2016 struct max98095_cdata *cdata;
2017 int sel = ucontrol->value.integer.value[0];
2018 struct max98095_biquad_cfg *coef_set;
2019 int fs, best, best_val, i;
2020 int regmask, regsave;
2021
2022 if (channel < 0)
2023 return channel;
2024
2025 if (!pdata || !max98095->bq_textcnt)
2026 return 0;
2027
2028 if (sel >= pdata->bq_cfgcnt)
2029 return -EINVAL;
2030
2031 cdata = &max98095->dai[channel];
2032 cdata->bq_sel = sel;
2033 fs = cdata->rate;
2034
2035 /* Find the selected configuration with nearest sample rate */
2036 best = 0;
2037 best_val = INT_MAX;
2038 for (i = 0; i < pdata->bq_cfgcnt; i++) {
2039 if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
2040 abs(pdata->bq_cfg[i].rate - fs) < best_val) {
2041 best = i;
2042 best_val = abs(pdata->bq_cfg[i].rate - fs);
2043 }
2044 }
2045
2046 dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
2047 pdata->bq_cfg[best].name,
2048 pdata->bq_cfg[best].rate, fs);
2049
2050 coef_set = &pdata->bq_cfg[best];
2051
2052 regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
2053
2054 /* Disable filter while configuring, and save current on/off state */
2055 regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
2056 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
2057
2058 mutex_lock(&codec->mutex);
2059 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
2060 m98095_biquad_band(codec, channel, 0, coef_set->band1);
2061 m98095_biquad_band(codec, channel, 1, coef_set->band2);
2062 snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
2063 mutex_unlock(&codec->mutex);
2064
2065 /* Restore the original on/off state */
2066 snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
2067 return 0;
2068 }
2069
2070 static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
2071 struct snd_ctl_elem_value *ucontrol)
2072 {
2073 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2074 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2075 int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
2076 struct max98095_cdata *cdata;
2077
2078 if (channel < 0)
2079 return channel;
2080
2081 cdata = &max98095->dai[channel];
2082 ucontrol->value.enumerated.item[0] = cdata->bq_sel;
2083
2084 return 0;
2085 }
2086
2087 static void max98095_handle_bq_pdata(struct snd_soc_codec *codec)
2088 {
2089 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2090 struct max98095_pdata *pdata = max98095->pdata;
2091 struct max98095_biquad_cfg *cfg;
2092 unsigned int cfgcnt;
2093 int i, j;
2094 const char **t;
2095 int ret;
2096
2097 struct snd_kcontrol_new controls[] = {
2098 SOC_ENUM_EXT((char *)bq_mode_name[0],
2099 max98095->bq_enum,
2100 max98095_get_bq_enum,
2101 max98095_put_bq_enum),
2102 SOC_ENUM_EXT((char *)bq_mode_name[1],
2103 max98095->bq_enum,
2104 max98095_get_bq_enum,
2105 max98095_put_bq_enum),
2106 };
2107 BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name));
2108
2109 cfg = pdata->bq_cfg;
2110 cfgcnt = pdata->bq_cfgcnt;
2111
2112 /* Setup an array of texts for the biquad enum.
2113 * This is based on Mark Brown's equalizer driver code.
2114 */
2115 max98095->bq_textcnt = 0;
2116 max98095->bq_texts = NULL;
2117 for (i = 0; i < cfgcnt; i++) {
2118 for (j = 0; j < max98095->bq_textcnt; j++) {
2119 if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
2120 break;
2121 }
2122
2123 if (j != max98095->bq_textcnt)
2124 continue;
2125
2126 /* Expand the array */
2127 t = krealloc(max98095->bq_texts,
2128 sizeof(char *) * (max98095->bq_textcnt + 1),
2129 GFP_KERNEL);
2130 if (t == NULL)
2131 continue;
2132
2133 /* Store the new entry */
2134 t[max98095->bq_textcnt] = cfg[i].name;
2135 max98095->bq_textcnt++;
2136 max98095->bq_texts = t;
2137 }
2138
2139 /* Now point the soc_enum to .texts array items */
2140 max98095->bq_enum.texts = max98095->bq_texts;
2141 max98095->bq_enum.max = max98095->bq_textcnt;
2142
2143 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
2144 if (ret != 0)
2145 dev_err(codec->dev, "Failed to add Biquad control: %d\n", ret);
2146 }
2147
2148 static void max98095_handle_pdata(struct snd_soc_codec *codec)
2149 {
2150 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2151 struct max98095_pdata *pdata = max98095->pdata;
2152 u8 regval = 0;
2153
2154 if (!pdata) {
2155 dev_dbg(codec->dev, "No platform data\n");
2156 return;
2157 }
2158
2159 /* Configure mic for analog/digital mic mode */
2160 if (pdata->digmic_left_mode)
2161 regval |= M98095_DIGMIC_L;
2162
2163 if (pdata->digmic_right_mode)
2164 regval |= M98095_DIGMIC_R;
2165
2166 snd_soc_write(codec, M98095_087_CFG_MIC, regval);
2167
2168 /* Configure equalizers */
2169 if (pdata->eq_cfgcnt)
2170 max98095_handle_eq_pdata(codec);
2171
2172 /* Configure bi-quad filters */
2173 if (pdata->bq_cfgcnt)
2174 max98095_handle_bq_pdata(codec);
2175 }
2176
2177 #ifdef CONFIG_PM
2178 static int max98095_suspend(struct snd_soc_codec *codec, pm_message_t state)
2179 {
2180 max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
2181
2182 return 0;
2183 }
2184
2185 static int max98095_resume(struct snd_soc_codec *codec)
2186 {
2187 max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2188
2189 return 0;
2190 }
2191 #else
2192 #define max98095_suspend NULL
2193 #define max98095_resume NULL
2194 #endif
2195
2196 static int max98095_reset(struct snd_soc_codec *codec)
2197 {
2198 int i, ret;
2199
2200 /* Gracefully reset the DSP core and the codec hardware
2201 * in a proper sequence */
2202 ret = snd_soc_write(codec, M98095_00F_HOST_CFG, 0);
2203 if (ret < 0) {
2204 dev_err(codec->dev, "Failed to reset DSP: %d\n", ret);
2205 return ret;
2206 }
2207
2208 ret = snd_soc_write(codec, M98095_097_PWR_SYS, 0);
2209 if (ret < 0) {
2210 dev_err(codec->dev, "Failed to reset codec: %d\n", ret);
2211 return ret;
2212 }
2213
2214 /* Reset to hardware default for registers, as there is not
2215 * a soft reset hardware control register */
2216 for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
2217 ret = snd_soc_write(codec, i, max98095_reg_def[i]);
2218 if (ret < 0) {
2219 dev_err(codec->dev, "Failed to reset: %d\n", ret);
2220 return ret;
2221 }
2222 }
2223
2224 return ret;
2225 }
2226
2227 static int max98095_probe(struct snd_soc_codec *codec)
2228 {
2229 struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2230 struct max98095_cdata *cdata;
2231 int ret = 0;
2232
2233 ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
2234 if (ret != 0) {
2235 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2236 return ret;
2237 }
2238
2239 /* reset the codec, the DSP core, and disable all interrupts */
2240 max98095_reset(codec);
2241
2242 /* initialize private data */
2243
2244 max98095->sysclk = (unsigned)-1;
2245 max98095->eq_textcnt = 0;
2246 max98095->bq_textcnt = 0;
2247
2248 cdata = &max98095->dai[0];
2249 cdata->rate = (unsigned)-1;
2250 cdata->fmt = (unsigned)-1;
2251 cdata->eq_sel = 0;
2252 cdata->bq_sel = 0;
2253
2254 cdata = &max98095->dai[1];
2255 cdata->rate = (unsigned)-1;
2256 cdata->fmt = (unsigned)-1;
2257 cdata->eq_sel = 0;
2258 cdata->bq_sel = 0;
2259
2260 cdata = &max98095->dai[2];
2261 cdata->rate = (unsigned)-1;
2262 cdata->fmt = (unsigned)-1;
2263 cdata->eq_sel = 0;
2264 cdata->bq_sel = 0;
2265
2266 max98095->lin_state = 0;
2267 max98095->mic1pre = 0;
2268 max98095->mic2pre = 0;
2269
2270 ret = snd_soc_read(codec, M98095_0FF_REV_ID);
2271 if (ret < 0) {
2272 dev_err(codec->dev, "Failure reading hardware revision: %d\n",
2273 ret);
2274 goto err_access;
2275 }
2276 dev_info(codec->dev, "Hardware revision: %c\n", ret - 0x40 + 'A');
2277
2278 snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV);
2279
2280 /* initialize registers cache to hardware default */
2281 max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2282
2283 snd_soc_write(codec, M98095_048_MIX_DAC_LR,
2284 M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
2285
2286 snd_soc_write(codec, M98095_049_MIX_DAC_M,
2287 M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
2288
2289 snd_soc_write(codec, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
2290 snd_soc_write(codec, M98095_045_CFG_DSP, M98095_DSPNORMAL);
2291 snd_soc_write(codec, M98095_04E_CFG_HP, M98095_HPNORMAL);
2292
2293 snd_soc_write(codec, M98095_02C_DAI1_IOCFG,
2294 M98095_S1NORMAL|M98095_SDATA);
2295
2296 snd_soc_write(codec, M98095_036_DAI2_IOCFG,
2297 M98095_S2NORMAL|M98095_SDATA);
2298
2299 snd_soc_write(codec, M98095_040_DAI3_IOCFG,
2300 M98095_S3NORMAL|M98095_SDATA);
2301
2302 max98095_handle_pdata(codec);
2303
2304 /* take the codec out of the shut down */
2305 snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN,
2306 M98095_SHDNRUN);
2307
2308 max98095_add_widgets(codec);
2309
2310 err_access:
2311 return ret;
2312 }
2313
2314 static int max98095_remove(struct snd_soc_codec *codec)
2315 {
2316 max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
2317
2318 return 0;
2319 }
2320
2321 static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
2322 .probe = max98095_probe,
2323 .remove = max98095_remove,
2324 .suspend = max98095_suspend,
2325 .resume = max98095_resume,
2326 .set_bias_level = max98095_set_bias_level,
2327 .reg_cache_size = ARRAY_SIZE(max98095_reg_def),
2328 .reg_word_size = sizeof(u8),
2329 .reg_cache_default = max98095_reg_def,
2330 .readable_register = max98095_readable,
2331 .volatile_register = max98095_volatile,
2332 .dapm_widgets = max98095_dapm_widgets,
2333 .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
2334 .dapm_routes = max98095_audio_map,
2335 .num_dapm_routes = ARRAY_SIZE(max98095_audio_map),
2336 };
2337
2338 static int max98095_i2c_probe(struct i2c_client *i2c,
2339 const struct i2c_device_id *id)
2340 {
2341 struct max98095_priv *max98095;
2342 int ret;
2343
2344 max98095 = kzalloc(sizeof(struct max98095_priv), GFP_KERNEL);
2345 if (max98095 == NULL)
2346 return -ENOMEM;
2347
2348 max98095->devtype = id->driver_data;
2349 i2c_set_clientdata(i2c, max98095);
2350 max98095->pdata = i2c->dev.platform_data;
2351
2352 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98095,
2353 max98095_dai, ARRAY_SIZE(max98095_dai));
2354 if (ret < 0)
2355 kfree(max98095);
2356 return ret;
2357 }
2358
2359 static int __devexit max98095_i2c_remove(struct i2c_client *client)
2360 {
2361 snd_soc_unregister_codec(&client->dev);
2362 kfree(i2c_get_clientdata(client));
2363
2364 return 0;
2365 }
2366
2367 static const struct i2c_device_id max98095_i2c_id[] = {
2368 { "max98095", MAX98095 },
2369 { }
2370 };
2371 MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
2372
2373 static struct i2c_driver max98095_i2c_driver = {
2374 .driver = {
2375 .name = "max98095",
2376 .owner = THIS_MODULE,
2377 },
2378 .probe = max98095_i2c_probe,
2379 .remove = __devexit_p(max98095_i2c_remove),
2380 .id_table = max98095_i2c_id,
2381 };
2382
2383 static int __init max98095_init(void)
2384 {
2385 int ret;
2386
2387 ret = i2c_add_driver(&max98095_i2c_driver);
2388 if (ret)
2389 pr_err("Failed to register max98095 I2C driver: %d\n", ret);
2390
2391 return ret;
2392 }
2393 module_init(max98095_init);
2394
2395 static void __exit max98095_exit(void)
2396 {
2397 i2c_del_driver(&max98095_i2c_driver);
2398 }
2399 module_exit(max98095_exit);
2400
2401 MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
2402 MODULE_AUTHOR("Peter Hsiang");
2403 MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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