xref: /openbmc/linux/sound/soc/codecs/max98095.c (revision 9b799b78)
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/clk.h>
19 #include <linux/mutex.h>
20 #include <sound/core.h>
21 #include <sound/pcm.h>
22 #include <sound/pcm_params.h>
23 #include <sound/soc.h>
24 #include <sound/initval.h>
25 #include <sound/tlv.h>
26 #include <linux/slab.h>
27 #include <asm/div64.h>
28 #include <sound/max98095.h>
29 #include <sound/jack.h>
30 #include "max98095.h"
31 
32 enum max98095_type {
33 	MAX98095,
34 };
35 
36 struct max98095_cdata {
37 	unsigned int rate;
38 	unsigned int fmt;
39 	int eq_sel;
40 	int bq_sel;
41 };
42 
43 struct max98095_priv {
44 	struct regmap *regmap;
45 	enum max98095_type devtype;
46 	struct max98095_pdata *pdata;
47 	struct clk *mclk;
48 	unsigned int sysclk;
49 	struct max98095_cdata dai[3];
50 	const char **eq_texts;
51 	const char **bq_texts;
52 	struct soc_enum eq_enum;
53 	struct soc_enum bq_enum;
54 	int eq_textcnt;
55 	int bq_textcnt;
56 	u8 lin_state;
57 	unsigned int mic1pre;
58 	unsigned int mic2pre;
59 	struct snd_soc_jack *headphone_jack;
60 	struct snd_soc_jack *mic_jack;
61 	struct mutex lock;
62 };
63 
64 static const struct reg_default max98095_reg_def[] = {
65 	{  0xf, 0x00 }, /* 0F */
66 	{ 0x10, 0x00 }, /* 10 */
67 	{ 0x11, 0x00 }, /* 11 */
68 	{ 0x12, 0x00 }, /* 12 */
69 	{ 0x13, 0x00 }, /* 13 */
70 	{ 0x14, 0x00 }, /* 14 */
71 	{ 0x15, 0x00 }, /* 15 */
72 	{ 0x16, 0x00 }, /* 16 */
73 	{ 0x17, 0x00 }, /* 17 */
74 	{ 0x18, 0x00 }, /* 18 */
75 	{ 0x19, 0x00 }, /* 19 */
76 	{ 0x1a, 0x00 }, /* 1A */
77 	{ 0x1b, 0x00 }, /* 1B */
78 	{ 0x1c, 0x00 }, /* 1C */
79 	{ 0x1d, 0x00 }, /* 1D */
80 	{ 0x1e, 0x00 }, /* 1E */
81 	{ 0x1f, 0x00 }, /* 1F */
82 	{ 0x20, 0x00 }, /* 20 */
83 	{ 0x21, 0x00 }, /* 21 */
84 	{ 0x22, 0x00 }, /* 22 */
85 	{ 0x23, 0x00 }, /* 23 */
86 	{ 0x24, 0x00 }, /* 24 */
87 	{ 0x25, 0x00 }, /* 25 */
88 	{ 0x26, 0x00 }, /* 26 */
89 	{ 0x27, 0x00 }, /* 27 */
90 	{ 0x28, 0x00 }, /* 28 */
91 	{ 0x29, 0x00 }, /* 29 */
92 	{ 0x2a, 0x00 }, /* 2A */
93 	{ 0x2b, 0x00 }, /* 2B */
94 	{ 0x2c, 0x00 }, /* 2C */
95 	{ 0x2d, 0x00 }, /* 2D */
96 	{ 0x2e, 0x00 }, /* 2E */
97 	{ 0x2f, 0x00 }, /* 2F */
98 	{ 0x30, 0x00 }, /* 30 */
99 	{ 0x31, 0x00 }, /* 31 */
100 	{ 0x32, 0x00 }, /* 32 */
101 	{ 0x33, 0x00 }, /* 33 */
102 	{ 0x34, 0x00 }, /* 34 */
103 	{ 0x35, 0x00 }, /* 35 */
104 	{ 0x36, 0x00 }, /* 36 */
105 	{ 0x37, 0x00 }, /* 37 */
106 	{ 0x38, 0x00 }, /* 38 */
107 	{ 0x39, 0x00 }, /* 39 */
108 	{ 0x3a, 0x00 }, /* 3A */
109 	{ 0x3b, 0x00 }, /* 3B */
110 	{ 0x3c, 0x00 }, /* 3C */
111 	{ 0x3d, 0x00 }, /* 3D */
112 	{ 0x3e, 0x00 }, /* 3E */
113 	{ 0x3f, 0x00 }, /* 3F */
114 	{ 0x40, 0x00 }, /* 40 */
115 	{ 0x41, 0x00 }, /* 41 */
116 	{ 0x42, 0x00 }, /* 42 */
117 	{ 0x43, 0x00 }, /* 43 */
118 	{ 0x44, 0x00 }, /* 44 */
119 	{ 0x45, 0x00 }, /* 45 */
120 	{ 0x46, 0x00 }, /* 46 */
121 	{ 0x47, 0x00 }, /* 47 */
122 	{ 0x48, 0x00 }, /* 48 */
123 	{ 0x49, 0x00 }, /* 49 */
124 	{ 0x4a, 0x00 }, /* 4A */
125 	{ 0x4b, 0x00 }, /* 4B */
126 	{ 0x4c, 0x00 }, /* 4C */
127 	{ 0x4d, 0x00 }, /* 4D */
128 	{ 0x4e, 0x00 }, /* 4E */
129 	{ 0x4f, 0x00 }, /* 4F */
130 	{ 0x50, 0x00 }, /* 50 */
131 	{ 0x51, 0x00 }, /* 51 */
132 	{ 0x52, 0x00 }, /* 52 */
133 	{ 0x53, 0x00 }, /* 53 */
134 	{ 0x54, 0x00 }, /* 54 */
135 	{ 0x55, 0x00 }, /* 55 */
136 	{ 0x56, 0x00 }, /* 56 */
137 	{ 0x57, 0x00 }, /* 57 */
138 	{ 0x58, 0x00 }, /* 58 */
139 	{ 0x59, 0x00 }, /* 59 */
140 	{ 0x5a, 0x00 }, /* 5A */
141 	{ 0x5b, 0x00 }, /* 5B */
142 	{ 0x5c, 0x00 }, /* 5C */
143 	{ 0x5d, 0x00 }, /* 5D */
144 	{ 0x5e, 0x00 }, /* 5E */
145 	{ 0x5f, 0x00 }, /* 5F */
146 	{ 0x60, 0x00 }, /* 60 */
147 	{ 0x61, 0x00 }, /* 61 */
148 	{ 0x62, 0x00 }, /* 62 */
149 	{ 0x63, 0x00 }, /* 63 */
150 	{ 0x64, 0x00 }, /* 64 */
151 	{ 0x65, 0x00 }, /* 65 */
152 	{ 0x66, 0x00 }, /* 66 */
153 	{ 0x67, 0x00 }, /* 67 */
154 	{ 0x68, 0x00 }, /* 68 */
155 	{ 0x69, 0x00 }, /* 69 */
156 	{ 0x6a, 0x00 }, /* 6A */
157 	{ 0x6b, 0x00 }, /* 6B */
158 	{ 0x6c, 0x00 }, /* 6C */
159 	{ 0x6d, 0x00 }, /* 6D */
160 	{ 0x6e, 0x00 }, /* 6E */
161 	{ 0x6f, 0x00 }, /* 6F */
162 	{ 0x70, 0x00 }, /* 70 */
163 	{ 0x71, 0x00 }, /* 71 */
164 	{ 0x72, 0x00 }, /* 72 */
165 	{ 0x73, 0x00 }, /* 73 */
166 	{ 0x74, 0x00 }, /* 74 */
167 	{ 0x75, 0x00 }, /* 75 */
168 	{ 0x76, 0x00 }, /* 76 */
169 	{ 0x77, 0x00 }, /* 77 */
170 	{ 0x78, 0x00 }, /* 78 */
171 	{ 0x79, 0x00 }, /* 79 */
172 	{ 0x7a, 0x00 }, /* 7A */
173 	{ 0x7b, 0x00 }, /* 7B */
174 	{ 0x7c, 0x00 }, /* 7C */
175 	{ 0x7d, 0x00 }, /* 7D */
176 	{ 0x7e, 0x00 }, /* 7E */
177 	{ 0x7f, 0x00 }, /* 7F */
178 	{ 0x80, 0x00 }, /* 80 */
179 	{ 0x81, 0x00 }, /* 81 */
180 	{ 0x82, 0x00 }, /* 82 */
181 	{ 0x83, 0x00 }, /* 83 */
182 	{ 0x84, 0x00 }, /* 84 */
183 	{ 0x85, 0x00 }, /* 85 */
184 	{ 0x86, 0x00 }, /* 86 */
185 	{ 0x87, 0x00 }, /* 87 */
186 	{ 0x88, 0x00 }, /* 88 */
187 	{ 0x89, 0x00 }, /* 89 */
188 	{ 0x8a, 0x00 }, /* 8A */
189 	{ 0x8b, 0x00 }, /* 8B */
190 	{ 0x8c, 0x00 }, /* 8C */
191 	{ 0x8d, 0x00 }, /* 8D */
192 	{ 0x8e, 0x00 }, /* 8E */
193 	{ 0x8f, 0x00 }, /* 8F */
194 	{ 0x90, 0x00 }, /* 90 */
195 	{ 0x91, 0x00 }, /* 91 */
196 	{ 0x92, 0x30 }, /* 92 */
197 	{ 0x93, 0xF0 }, /* 93 */
198 	{ 0x94, 0x00 }, /* 94 */
199 	{ 0x95, 0x00 }, /* 95 */
200 	{ 0x96, 0x3F }, /* 96 */
201 	{ 0x97, 0x00 }, /* 97 */
202 	{ 0xff, 0x00 }, /* FF */
203 };
204 
205 static struct {
206 	int readable;
207 	int writable;
208 } max98095_access[M98095_REG_CNT] = {
209 	{ 0x00, 0x00 }, /* 00 */
210 	{ 0xFF, 0x00 }, /* 01 */
211 	{ 0xFF, 0x00 }, /* 02 */
212 	{ 0xFF, 0x00 }, /* 03 */
213 	{ 0xFF, 0x00 }, /* 04 */
214 	{ 0xFF, 0x00 }, /* 05 */
215 	{ 0xFF, 0x00 }, /* 06 */
216 	{ 0xFF, 0x00 }, /* 07 */
217 	{ 0xFF, 0x00 }, /* 08 */
218 	{ 0xFF, 0x00 }, /* 09 */
219 	{ 0xFF, 0x00 }, /* 0A */
220 	{ 0xFF, 0x00 }, /* 0B */
221 	{ 0xFF, 0x00 }, /* 0C */
222 	{ 0xFF, 0x00 }, /* 0D */
223 	{ 0xFF, 0x00 }, /* 0E */
224 	{ 0xFF, 0x9F }, /* 0F */
225 	{ 0xFF, 0xFF }, /* 10 */
226 	{ 0xFF, 0xFF }, /* 11 */
227 	{ 0xFF, 0xFF }, /* 12 */
228 	{ 0xFF, 0xFF }, /* 13 */
229 	{ 0xFF, 0xFF }, /* 14 */
230 	{ 0xFF, 0xFF }, /* 15 */
231 	{ 0xFF, 0xFF }, /* 16 */
232 	{ 0xFF, 0xFF }, /* 17 */
233 	{ 0xFF, 0xFF }, /* 18 */
234 	{ 0xFF, 0xFF }, /* 19 */
235 	{ 0xFF, 0xFF }, /* 1A */
236 	{ 0xFF, 0xFF }, /* 1B */
237 	{ 0xFF, 0xFF }, /* 1C */
238 	{ 0xFF, 0xFF }, /* 1D */
239 	{ 0xFF, 0x77 }, /* 1E */
240 	{ 0xFF, 0x77 }, /* 1F */
241 	{ 0xFF, 0x77 }, /* 20 */
242 	{ 0xFF, 0x77 }, /* 21 */
243 	{ 0xFF, 0x77 }, /* 22 */
244 	{ 0xFF, 0x77 }, /* 23 */
245 	{ 0xFF, 0xFF }, /* 24 */
246 	{ 0xFF, 0x7F }, /* 25 */
247 	{ 0xFF, 0x31 }, /* 26 */
248 	{ 0xFF, 0xFF }, /* 27 */
249 	{ 0xFF, 0xFF }, /* 28 */
250 	{ 0xFF, 0xFF }, /* 29 */
251 	{ 0xFF, 0xF7 }, /* 2A */
252 	{ 0xFF, 0x2F }, /* 2B */
253 	{ 0xFF, 0xEF }, /* 2C */
254 	{ 0xFF, 0xFF }, /* 2D */
255 	{ 0xFF, 0xFF }, /* 2E */
256 	{ 0xFF, 0xFF }, /* 2F */
257 	{ 0xFF, 0xFF }, /* 30 */
258 	{ 0xFF, 0xFF }, /* 31 */
259 	{ 0xFF, 0xFF }, /* 32 */
260 	{ 0xFF, 0xFF }, /* 33 */
261 	{ 0xFF, 0xF7 }, /* 34 */
262 	{ 0xFF, 0x2F }, /* 35 */
263 	{ 0xFF, 0xCF }, /* 36 */
264 	{ 0xFF, 0xFF }, /* 37 */
265 	{ 0xFF, 0xFF }, /* 38 */
266 	{ 0xFF, 0xFF }, /* 39 */
267 	{ 0xFF, 0xFF }, /* 3A */
268 	{ 0xFF, 0xFF }, /* 3B */
269 	{ 0xFF, 0xFF }, /* 3C */
270 	{ 0xFF, 0xFF }, /* 3D */
271 	{ 0xFF, 0xF7 }, /* 3E */
272 	{ 0xFF, 0x2F }, /* 3F */
273 	{ 0xFF, 0xCF }, /* 40 */
274 	{ 0xFF, 0xFF }, /* 41 */
275 	{ 0xFF, 0x77 }, /* 42 */
276 	{ 0xFF, 0xFF }, /* 43 */
277 	{ 0xFF, 0xFF }, /* 44 */
278 	{ 0xFF, 0xFF }, /* 45 */
279 	{ 0xFF, 0xFF }, /* 46 */
280 	{ 0xFF, 0xFF }, /* 47 */
281 	{ 0xFF, 0xFF }, /* 48 */
282 	{ 0xFF, 0x0F }, /* 49 */
283 	{ 0xFF, 0xFF }, /* 4A */
284 	{ 0xFF, 0xFF }, /* 4B */
285 	{ 0xFF, 0x3F }, /* 4C */
286 	{ 0xFF, 0x3F }, /* 4D */
287 	{ 0xFF, 0x3F }, /* 4E */
288 	{ 0xFF, 0xFF }, /* 4F */
289 	{ 0xFF, 0x7F }, /* 50 */
290 	{ 0xFF, 0x7F }, /* 51 */
291 	{ 0xFF, 0x0F }, /* 52 */
292 	{ 0xFF, 0x3F }, /* 53 */
293 	{ 0xFF, 0x3F }, /* 54 */
294 	{ 0xFF, 0x3F }, /* 55 */
295 	{ 0xFF, 0xFF }, /* 56 */
296 	{ 0xFF, 0xFF }, /* 57 */
297 	{ 0xFF, 0xBF }, /* 58 */
298 	{ 0xFF, 0x1F }, /* 59 */
299 	{ 0xFF, 0xBF }, /* 5A */
300 	{ 0xFF, 0x1F }, /* 5B */
301 	{ 0xFF, 0xBF }, /* 5C */
302 	{ 0xFF, 0x3F }, /* 5D */
303 	{ 0xFF, 0x3F }, /* 5E */
304 	{ 0xFF, 0x7F }, /* 5F */
305 	{ 0xFF, 0x7F }, /* 60 */
306 	{ 0xFF, 0x47 }, /* 61 */
307 	{ 0xFF, 0x9F }, /* 62 */
308 	{ 0xFF, 0x9F }, /* 63 */
309 	{ 0xFF, 0x9F }, /* 64 */
310 	{ 0xFF, 0x9F }, /* 65 */
311 	{ 0xFF, 0x9F }, /* 66 */
312 	{ 0xFF, 0xBF }, /* 67 */
313 	{ 0xFF, 0xBF }, /* 68 */
314 	{ 0xFF, 0xFF }, /* 69 */
315 	{ 0xFF, 0xFF }, /* 6A */
316 	{ 0xFF, 0x7F }, /* 6B */
317 	{ 0xFF, 0xF7 }, /* 6C */
318 	{ 0xFF, 0xFF }, /* 6D */
319 	{ 0xFF, 0xFF }, /* 6E */
320 	{ 0xFF, 0x1F }, /* 6F */
321 	{ 0xFF, 0xF7 }, /* 70 */
322 	{ 0xFF, 0xFF }, /* 71 */
323 	{ 0xFF, 0xFF }, /* 72 */
324 	{ 0xFF, 0x1F }, /* 73 */
325 	{ 0xFF, 0xF7 }, /* 74 */
326 	{ 0xFF, 0xFF }, /* 75 */
327 	{ 0xFF, 0xFF }, /* 76 */
328 	{ 0xFF, 0x1F }, /* 77 */
329 	{ 0xFF, 0xF7 }, /* 78 */
330 	{ 0xFF, 0xFF }, /* 79 */
331 	{ 0xFF, 0xFF }, /* 7A */
332 	{ 0xFF, 0x1F }, /* 7B */
333 	{ 0xFF, 0xF7 }, /* 7C */
334 	{ 0xFF, 0xFF }, /* 7D */
335 	{ 0xFF, 0xFF }, /* 7E */
336 	{ 0xFF, 0x1F }, /* 7F */
337 	{ 0xFF, 0xF7 }, /* 80 */
338 	{ 0xFF, 0xFF }, /* 81 */
339 	{ 0xFF, 0xFF }, /* 82 */
340 	{ 0xFF, 0x1F }, /* 83 */
341 	{ 0xFF, 0x7F }, /* 84 */
342 	{ 0xFF, 0x0F }, /* 85 */
343 	{ 0xFF, 0xD8 }, /* 86 */
344 	{ 0xFF, 0xFF }, /* 87 */
345 	{ 0xFF, 0xEF }, /* 88 */
346 	{ 0xFF, 0xFE }, /* 89 */
347 	{ 0xFF, 0xFE }, /* 8A */
348 	{ 0xFF, 0xFF }, /* 8B */
349 	{ 0xFF, 0xFF }, /* 8C */
350 	{ 0xFF, 0x3F }, /* 8D */
351 	{ 0xFF, 0xFF }, /* 8E */
352 	{ 0xFF, 0x3F }, /* 8F */
353 	{ 0xFF, 0x8F }, /* 90 */
354 	{ 0xFF, 0xFF }, /* 91 */
355 	{ 0xFF, 0x3F }, /* 92 */
356 	{ 0xFF, 0xFF }, /* 93 */
357 	{ 0xFF, 0xFF }, /* 94 */
358 	{ 0xFF, 0x0F }, /* 95 */
359 	{ 0xFF, 0x3F }, /* 96 */
360 	{ 0xFF, 0x8C }, /* 97 */
361 	{ 0x00, 0x00 }, /* 98 */
362 	{ 0x00, 0x00 }, /* 99 */
363 	{ 0x00, 0x00 }, /* 9A */
364 	{ 0x00, 0x00 }, /* 9B */
365 	{ 0x00, 0x00 }, /* 9C */
366 	{ 0x00, 0x00 }, /* 9D */
367 	{ 0x00, 0x00 }, /* 9E */
368 	{ 0x00, 0x00 }, /* 9F */
369 	{ 0x00, 0x00 }, /* A0 */
370 	{ 0x00, 0x00 }, /* A1 */
371 	{ 0x00, 0x00 }, /* A2 */
372 	{ 0x00, 0x00 }, /* A3 */
373 	{ 0x00, 0x00 }, /* A4 */
374 	{ 0x00, 0x00 }, /* A5 */
375 	{ 0x00, 0x00 }, /* A6 */
376 	{ 0x00, 0x00 }, /* A7 */
377 	{ 0x00, 0x00 }, /* A8 */
378 	{ 0x00, 0x00 }, /* A9 */
379 	{ 0x00, 0x00 }, /* AA */
380 	{ 0x00, 0x00 }, /* AB */
381 	{ 0x00, 0x00 }, /* AC */
382 	{ 0x00, 0x00 }, /* AD */
383 	{ 0x00, 0x00 }, /* AE */
384 	{ 0x00, 0x00 }, /* AF */
385 	{ 0x00, 0x00 }, /* B0 */
386 	{ 0x00, 0x00 }, /* B1 */
387 	{ 0x00, 0x00 }, /* B2 */
388 	{ 0x00, 0x00 }, /* B3 */
389 	{ 0x00, 0x00 }, /* B4 */
390 	{ 0x00, 0x00 }, /* B5 */
391 	{ 0x00, 0x00 }, /* B6 */
392 	{ 0x00, 0x00 }, /* B7 */
393 	{ 0x00, 0x00 }, /* B8 */
394 	{ 0x00, 0x00 }, /* B9 */
395 	{ 0x00, 0x00 }, /* BA */
396 	{ 0x00, 0x00 }, /* BB */
397 	{ 0x00, 0x00 }, /* BC */
398 	{ 0x00, 0x00 }, /* BD */
399 	{ 0x00, 0x00 }, /* BE */
400 	{ 0x00, 0x00 }, /* BF */
401 	{ 0x00, 0x00 }, /* C0 */
402 	{ 0x00, 0x00 }, /* C1 */
403 	{ 0x00, 0x00 }, /* C2 */
404 	{ 0x00, 0x00 }, /* C3 */
405 	{ 0x00, 0x00 }, /* C4 */
406 	{ 0x00, 0x00 }, /* C5 */
407 	{ 0x00, 0x00 }, /* C6 */
408 	{ 0x00, 0x00 }, /* C7 */
409 	{ 0x00, 0x00 }, /* C8 */
410 	{ 0x00, 0x00 }, /* C9 */
411 	{ 0x00, 0x00 }, /* CA */
412 	{ 0x00, 0x00 }, /* CB */
413 	{ 0x00, 0x00 }, /* CC */
414 	{ 0x00, 0x00 }, /* CD */
415 	{ 0x00, 0x00 }, /* CE */
416 	{ 0x00, 0x00 }, /* CF */
417 	{ 0x00, 0x00 }, /* D0 */
418 	{ 0x00, 0x00 }, /* D1 */
419 	{ 0x00, 0x00 }, /* D2 */
420 	{ 0x00, 0x00 }, /* D3 */
421 	{ 0x00, 0x00 }, /* D4 */
422 	{ 0x00, 0x00 }, /* D5 */
423 	{ 0x00, 0x00 }, /* D6 */
424 	{ 0x00, 0x00 }, /* D7 */
425 	{ 0x00, 0x00 }, /* D8 */
426 	{ 0x00, 0x00 }, /* D9 */
427 	{ 0x00, 0x00 }, /* DA */
428 	{ 0x00, 0x00 }, /* DB */
429 	{ 0x00, 0x00 }, /* DC */
430 	{ 0x00, 0x00 }, /* DD */
431 	{ 0x00, 0x00 }, /* DE */
432 	{ 0x00, 0x00 }, /* DF */
433 	{ 0x00, 0x00 }, /* E0 */
434 	{ 0x00, 0x00 }, /* E1 */
435 	{ 0x00, 0x00 }, /* E2 */
436 	{ 0x00, 0x00 }, /* E3 */
437 	{ 0x00, 0x00 }, /* E4 */
438 	{ 0x00, 0x00 }, /* E5 */
439 	{ 0x00, 0x00 }, /* E6 */
440 	{ 0x00, 0x00 }, /* E7 */
441 	{ 0x00, 0x00 }, /* E8 */
442 	{ 0x00, 0x00 }, /* E9 */
443 	{ 0x00, 0x00 }, /* EA */
444 	{ 0x00, 0x00 }, /* EB */
445 	{ 0x00, 0x00 }, /* EC */
446 	{ 0x00, 0x00 }, /* ED */
447 	{ 0x00, 0x00 }, /* EE */
448 	{ 0x00, 0x00 }, /* EF */
449 	{ 0x00, 0x00 }, /* F0 */
450 	{ 0x00, 0x00 }, /* F1 */
451 	{ 0x00, 0x00 }, /* F2 */
452 	{ 0x00, 0x00 }, /* F3 */
453 	{ 0x00, 0x00 }, /* F4 */
454 	{ 0x00, 0x00 }, /* F5 */
455 	{ 0x00, 0x00 }, /* F6 */
456 	{ 0x00, 0x00 }, /* F7 */
457 	{ 0x00, 0x00 }, /* F8 */
458 	{ 0x00, 0x00 }, /* F9 */
459 	{ 0x00, 0x00 }, /* FA */
460 	{ 0x00, 0x00 }, /* FB */
461 	{ 0x00, 0x00 }, /* FC */
462 	{ 0x00, 0x00 }, /* FD */
463 	{ 0x00, 0x00 }, /* FE */
464 	{ 0xFF, 0x00 }, /* FF */
465 };
466 
467 static bool max98095_readable(struct device *dev, unsigned int reg)
468 {
469 	if (reg >= M98095_REG_CNT)
470 		return 0;
471 	return max98095_access[reg].readable != 0;
472 }
473 
474 static bool max98095_volatile(struct device *dev, unsigned int reg)
475 {
476 	if (reg > M98095_REG_MAX_CACHED)
477 		return 1;
478 
479 	switch (reg) {
480 	case M98095_000_HOST_DATA:
481 	case M98095_001_HOST_INT_STS:
482 	case M98095_002_HOST_RSP_STS:
483 	case M98095_003_HOST_CMD_STS:
484 	case M98095_004_CODEC_STS:
485 	case M98095_005_DAI1_ALC_STS:
486 	case M98095_006_DAI2_ALC_STS:
487 	case M98095_007_JACK_AUTO_STS:
488 	case M98095_008_JACK_MANUAL_STS:
489 	case M98095_009_JACK_VBAT_STS:
490 	case M98095_00A_ACC_ADC_STS:
491 	case M98095_00B_MIC_NG_AGC_STS:
492 	case M98095_00C_SPK_L_VOLT_STS:
493 	case M98095_00D_SPK_R_VOLT_STS:
494 	case M98095_00E_TEMP_SENSOR_STS:
495 		return 1;
496 	}
497 
498 	return 0;
499 }
500 
501 static const struct regmap_config max98095_regmap = {
502 	.reg_bits = 8,
503 	.val_bits = 8,
504 
505 	.reg_defaults = max98095_reg_def,
506 	.num_reg_defaults = ARRAY_SIZE(max98095_reg_def),
507 	.max_register = M98095_0FF_REV_ID,
508 	.cache_type = REGCACHE_RBTREE,
509 
510 	.readable_reg = max98095_readable,
511 	.volatile_reg = max98095_volatile,
512 };
513 
514 /*
515  * Load equalizer DSP coefficient configurations registers
516  */
517 static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai,
518 		    unsigned int band, u16 *coefs)
519 {
520 	unsigned int eq_reg;
521 	unsigned int i;
522 
523 	if (WARN_ON(band > 4) ||
524 	    WARN_ON(dai > 1))
525 		return;
526 
527 	/* Load the base register address */
528 	eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
529 
530 	/* Add the band address offset, note adjustment for word address */
531 	eq_reg += band * (M98095_COEFS_PER_BAND << 1);
532 
533 	/* Step through the registers and coefs */
534 	for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
535 		snd_soc_write(codec, eq_reg++, M98095_BYTE1(coefs[i]));
536 		snd_soc_write(codec, eq_reg++, M98095_BYTE0(coefs[i]));
537 	}
538 }
539 
540 /*
541  * Load biquad filter coefficient configurations registers
542  */
543 static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai,
544 		    unsigned int band, u16 *coefs)
545 {
546 	unsigned int bq_reg;
547 	unsigned int i;
548 
549 	if (WARN_ON(band > 1) ||
550 	    WARN_ON(dai > 1))
551 		return;
552 
553 	/* Load the base register address */
554 	bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
555 
556 	/* Add the band address offset, note adjustment for word address */
557 	bq_reg += band * (M98095_COEFS_PER_BAND << 1);
558 
559 	/* Step through the registers and coefs */
560 	for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
561 		snd_soc_write(codec, bq_reg++, M98095_BYTE1(coefs[i]));
562 		snd_soc_write(codec, bq_reg++, M98095_BYTE0(coefs[i]));
563 	}
564 }
565 
566 static const char * const max98095_fltr_mode[] = { "Voice", "Music" };
567 static SOC_ENUM_SINGLE_DECL(max98095_dai1_filter_mode_enum,
568 			    M98095_02E_DAI1_FILTERS, 7,
569 			    max98095_fltr_mode);
570 static SOC_ENUM_SINGLE_DECL(max98095_dai2_filter_mode_enum,
571 			    M98095_038_DAI2_FILTERS, 7,
572 			    max98095_fltr_mode);
573 
574 static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" };
575 
576 static SOC_ENUM_SINGLE_DECL(max98095_extmic_enum,
577 			    M98095_087_CFG_MIC, 0,
578 			    max98095_extmic_text);
579 
580 static const struct snd_kcontrol_new max98095_extmic_mux =
581 	SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum);
582 
583 static const char * const max98095_linein_text[] = { "INA", "INB" };
584 
585 static SOC_ENUM_SINGLE_DECL(max98095_linein_enum,
586 			    M98095_086_CFG_LINE, 6,
587 			    max98095_linein_text);
588 
589 static const struct snd_kcontrol_new max98095_linein_mux =
590 	SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum);
591 
592 static const char * const max98095_line_mode_text[] = {
593 	"Stereo", "Differential"};
594 
595 static SOC_ENUM_SINGLE_DECL(max98095_linein_mode_enum,
596 			    M98095_086_CFG_LINE, 7,
597 			    max98095_line_mode_text);
598 
599 static SOC_ENUM_SINGLE_DECL(max98095_lineout_mode_enum,
600 			    M98095_086_CFG_LINE, 4,
601 			    max98095_line_mode_text);
602 
603 static const char * const max98095_dai_fltr[] = {
604 	"Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k",
605 	"Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"};
606 static SOC_ENUM_SINGLE_DECL(max98095_dai1_dac_filter_enum,
607 			    M98095_02E_DAI1_FILTERS, 0,
608 			    max98095_dai_fltr);
609 static SOC_ENUM_SINGLE_DECL(max98095_dai2_dac_filter_enum,
610 			    M98095_038_DAI2_FILTERS, 0,
611 			    max98095_dai_fltr);
612 static SOC_ENUM_SINGLE_DECL(max98095_dai3_dac_filter_enum,
613 			    M98095_042_DAI3_FILTERS, 0,
614 			    max98095_dai_fltr);
615 
616 static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol,
617 				struct snd_ctl_elem_value *ucontrol)
618 {
619 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
620 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
621 	unsigned int sel = ucontrol->value.integer.value[0];
622 
623 	max98095->mic1pre = sel;
624 	snd_soc_update_bits(codec, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK,
625 		(1+sel)<<M98095_MICPRE_SHIFT);
626 
627 	return 0;
628 }
629 
630 static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol,
631 				struct snd_ctl_elem_value *ucontrol)
632 {
633 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
634 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
635 
636 	ucontrol->value.integer.value[0] = max98095->mic1pre;
637 	return 0;
638 }
639 
640 static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol,
641 				struct snd_ctl_elem_value *ucontrol)
642 {
643 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
644 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
645 	unsigned int sel = ucontrol->value.integer.value[0];
646 
647 	max98095->mic2pre = sel;
648 	snd_soc_update_bits(codec, M98095_060_LVL_MIC2, M98095_MICPRE_MASK,
649 		(1+sel)<<M98095_MICPRE_SHIFT);
650 
651 	return 0;
652 }
653 
654 static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol,
655 				struct snd_ctl_elem_value *ucontrol)
656 {
657 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
658 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
659 
660 	ucontrol->value.integer.value[0] = max98095->mic2pre;
661 	return 0;
662 }
663 
664 static const unsigned int max98095_micboost_tlv[] = {
665 	TLV_DB_RANGE_HEAD(2),
666 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
667 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
668 };
669 
670 static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0);
671 static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0);
672 static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0);
673 
674 static const unsigned int max98095_hp_tlv[] = {
675 	TLV_DB_RANGE_HEAD(5),
676 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
677 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
678 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
679 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
680 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0),
681 };
682 
683 static const unsigned int max98095_spk_tlv[] = {
684 	TLV_DB_RANGE_HEAD(4),
685 	0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0),
686 	11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0),
687 	19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0),
688 	28, 39, TLV_DB_SCALE_ITEM(650, 50, 0),
689 };
690 
691 static const unsigned int max98095_rcv_lout_tlv[] = {
692 	TLV_DB_RANGE_HEAD(5),
693 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
694 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
695 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
696 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
697 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0),
698 };
699 
700 static const unsigned int max98095_lin_tlv[] = {
701 	TLV_DB_RANGE_HEAD(3),
702 	0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0),
703 	3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0),
704 	4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0),
705 };
706 
707 static const struct snd_kcontrol_new max98095_snd_controls[] = {
708 
709 	SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L,
710 		M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv),
711 
712 	SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L,
713 		M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv),
714 
715 	SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV,
716 		0, 31, 0, max98095_rcv_lout_tlv),
717 
718 	SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1,
719 		M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv),
720 
721 	SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L,
722 		M98095_065_LVL_HP_R, 7, 1, 1),
723 
724 	SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L,
725 		M98095_068_LVL_SPK_R, 7, 1, 1),
726 
727 	SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1),
728 
729 	SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1,
730 		M98095_063_LVL_LINEOUT2, 7, 1, 1),
731 
732 	SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1,
733 		max98095_mic_tlv),
734 
735 	SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1,
736 		max98095_mic_tlv),
737 
738 	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
739 			M98095_05F_LVL_MIC1, 5, 2, 0,
740 			max98095_mic1pre_get, max98095_mic1pre_set,
741 			max98095_micboost_tlv),
742 	SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
743 			M98095_060_LVL_MIC2, 5, 2, 0,
744 			max98095_mic2pre_get, max98095_mic2pre_set,
745 			max98095_micboost_tlv),
746 
747 	SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1,
748 		max98095_lin_tlv),
749 
750 	SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1,
751 		max98095_adc_tlv),
752 	SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1,
753 		max98095_adc_tlv),
754 
755 	SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0,
756 		max98095_adcboost_tlv),
757 	SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0,
758 		max98095_adcboost_tlv),
759 
760 	SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0),
761 	SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0),
762 
763 	SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0),
764 	SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0),
765 
766 	SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum),
767 	SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum),
768 	SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum),
769 	SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum),
770 	SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum),
771 
772 	SOC_ENUM("Linein Mode", max98095_linein_mode_enum),
773 	SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum),
774 };
775 
776 /* Left speaker mixer switch */
777 static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = {
778 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0),
779 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0),
780 	SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
781 	SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
782 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0),
783 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0),
784 	SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0),
785 	SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0),
786 };
787 
788 /* Right speaker mixer switch */
789 static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = {
790 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0),
791 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0),
792 	SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
793 	SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
794 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0),
795 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0),
796 	SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0),
797 	SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0),
798 };
799 
800 /* Left headphone mixer switch */
801 static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = {
802 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0),
803 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0),
804 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0),
805 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0),
806 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0),
807 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0),
808 };
809 
810 /* Right headphone mixer switch */
811 static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = {
812 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0),
813 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0),
814 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0),
815 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0),
816 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0),
817 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0),
818 };
819 
820 /* Receiver earpiece mixer switch */
821 static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = {
822 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0),
823 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0),
824 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0),
825 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0),
826 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0),
827 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0),
828 };
829 
830 /* Left lineout mixer switch */
831 static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = {
832 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0),
833 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0),
834 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0),
835 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0),
836 	SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0),
837 	SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0),
838 };
839 
840 /* Right lineout mixer switch */
841 static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = {
842 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0),
843 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0),
844 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0),
845 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0),
846 	SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0),
847 	SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0),
848 };
849 
850 /* Left ADC mixer switch */
851 static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = {
852 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0),
853 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0),
854 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0),
855 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0),
856 };
857 
858 /* Right ADC mixer switch */
859 static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = {
860 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0),
861 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0),
862 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0),
863 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0),
864 };
865 
866 static int max98095_mic_event(struct snd_soc_dapm_widget *w,
867 			     struct snd_kcontrol *kcontrol, int event)
868 {
869 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
870 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
871 
872 	switch (event) {
873 	case SND_SOC_DAPM_POST_PMU:
874 		if (w->reg == M98095_05F_LVL_MIC1) {
875 			snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
876 				(1+max98095->mic1pre)<<M98095_MICPRE_SHIFT);
877 		} else {
878 			snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
879 				(1+max98095->mic2pre)<<M98095_MICPRE_SHIFT);
880 		}
881 		break;
882 	case SND_SOC_DAPM_POST_PMD:
883 		snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK, 0);
884 		break;
885 	default:
886 		return -EINVAL;
887 	}
888 
889 	return 0;
890 }
891 
892 /*
893  * The line inputs are stereo inputs with the left and right
894  * channels sharing a common PGA power control signal.
895  */
896 static int max98095_line_pga(struct snd_soc_dapm_widget *w,
897 			     int event, u8 channel)
898 {
899 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
900 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
901 	u8 *state;
902 
903 	if (WARN_ON(!(channel == 1 || channel == 2)))
904 		return -EINVAL;
905 
906 	state = &max98095->lin_state;
907 
908 	switch (event) {
909 	case SND_SOC_DAPM_POST_PMU:
910 		*state |= channel;
911 		snd_soc_update_bits(codec, w->reg,
912 			(1 << w->shift), (1 << w->shift));
913 		break;
914 	case SND_SOC_DAPM_POST_PMD:
915 		*state &= ~channel;
916 		if (*state == 0) {
917 			snd_soc_update_bits(codec, w->reg,
918 				(1 << w->shift), 0);
919 		}
920 		break;
921 	default:
922 		return -EINVAL;
923 	}
924 
925 	return 0;
926 }
927 
928 static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w,
929 				   struct snd_kcontrol *k, int event)
930 {
931 	return max98095_line_pga(w, event, 1);
932 }
933 
934 static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w,
935 				   struct snd_kcontrol *k, int event)
936 {
937 	return max98095_line_pga(w, event, 2);
938 }
939 
940 /*
941  * The stereo line out mixer outputs to two stereo line outs.
942  * The 2nd pair has a separate set of enables.
943  */
944 static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
945 			     struct snd_kcontrol *kcontrol, int event)
946 {
947 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
948 
949 	switch (event) {
950 	case SND_SOC_DAPM_POST_PMU:
951 		snd_soc_update_bits(codec, w->reg,
952 			(1 << (w->shift+2)), (1 << (w->shift+2)));
953 		break;
954 	case SND_SOC_DAPM_POST_PMD:
955 		snd_soc_update_bits(codec, w->reg,
956 			(1 << (w->shift+2)), 0);
957 		break;
958 	default:
959 		return -EINVAL;
960 	}
961 
962 	return 0;
963 }
964 
965 static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = {
966 
967 	SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0),
968 	SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0),
969 
970 	SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
971 		M98095_091_PWR_EN_OUT, 0, 0),
972 	SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
973 		M98095_091_PWR_EN_OUT, 1, 0),
974 	SND_SOC_DAPM_DAC("DACM2", "Aux Playback",
975 		M98095_091_PWR_EN_OUT, 2, 0),
976 	SND_SOC_DAPM_DAC("DACM3", "Voice Playback",
977 		M98095_091_PWR_EN_OUT, 2, 0),
978 
979 	SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT,
980 		6, 0, NULL, 0),
981 	SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT,
982 		7, 0, NULL, 0),
983 
984 	SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT,
985 		4, 0, NULL, 0),
986 	SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT,
987 		5, 0, NULL, 0),
988 
989 	SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT,
990 		3, 0, NULL, 0),
991 
992 	SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT,
993 		0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
994 	SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT,
995 		1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
996 
997 	SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
998 		&max98095_extmic_mux),
999 
1000 	SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0,
1001 		&max98095_linein_mux),
1002 
1003 	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
1004 		&max98095_left_hp_mixer_controls[0],
1005 		ARRAY_SIZE(max98095_left_hp_mixer_controls)),
1006 
1007 	SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
1008 		&max98095_right_hp_mixer_controls[0],
1009 		ARRAY_SIZE(max98095_right_hp_mixer_controls)),
1010 
1011 	SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
1012 		&max98095_left_speaker_mixer_controls[0],
1013 		ARRAY_SIZE(max98095_left_speaker_mixer_controls)),
1014 
1015 	SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
1016 		&max98095_right_speaker_mixer_controls[0],
1017 		ARRAY_SIZE(max98095_right_speaker_mixer_controls)),
1018 
1019 	SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0,
1020 	  &max98095_mono_rcv_mixer_controls[0],
1021 		ARRAY_SIZE(max98095_mono_rcv_mixer_controls)),
1022 
1023 	SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
1024 		&max98095_left_lineout_mixer_controls[0],
1025 		ARRAY_SIZE(max98095_left_lineout_mixer_controls)),
1026 
1027 	SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
1028 		&max98095_right_lineout_mixer_controls[0],
1029 		ARRAY_SIZE(max98095_right_lineout_mixer_controls)),
1030 
1031 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1032 		&max98095_left_ADC_mixer_controls[0],
1033 		ARRAY_SIZE(max98095_left_ADC_mixer_controls)),
1034 
1035 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1036 		&max98095_right_ADC_mixer_controls[0],
1037 		ARRAY_SIZE(max98095_right_ADC_mixer_controls)),
1038 
1039 	SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1,
1040 		5, 0, NULL, 0, max98095_mic_event,
1041 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1042 
1043 	SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2,
1044 		5, 0, NULL, 0, max98095_mic_event,
1045 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1046 
1047 	SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN,
1048 		7, 0, NULL, 0, max98095_pga_in1_event,
1049 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1050 
1051 	SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN,
1052 		7, 0, NULL, 0, max98095_pga_in2_event,
1053 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1054 
1055 	SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0),
1056 	SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0),
1057 
1058 	SND_SOC_DAPM_OUTPUT("HPL"),
1059 	SND_SOC_DAPM_OUTPUT("HPR"),
1060 	SND_SOC_DAPM_OUTPUT("SPKL"),
1061 	SND_SOC_DAPM_OUTPUT("SPKR"),
1062 	SND_SOC_DAPM_OUTPUT("RCV"),
1063 	SND_SOC_DAPM_OUTPUT("OUT1"),
1064 	SND_SOC_DAPM_OUTPUT("OUT2"),
1065 	SND_SOC_DAPM_OUTPUT("OUT3"),
1066 	SND_SOC_DAPM_OUTPUT("OUT4"),
1067 
1068 	SND_SOC_DAPM_INPUT("MIC1"),
1069 	SND_SOC_DAPM_INPUT("MIC2"),
1070 	SND_SOC_DAPM_INPUT("INA1"),
1071 	SND_SOC_DAPM_INPUT("INA2"),
1072 	SND_SOC_DAPM_INPUT("INB1"),
1073 	SND_SOC_DAPM_INPUT("INB2"),
1074 };
1075 
1076 static const struct snd_soc_dapm_route max98095_audio_map[] = {
1077 	/* Left headphone output mixer */
1078 	{"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"},
1079 	{"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"},
1080 	{"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1081 	{"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1082 	{"Left Headphone Mixer", "IN1 Switch", "IN1 Input"},
1083 	{"Left Headphone Mixer", "IN2 Switch", "IN2 Input"},
1084 
1085 	/* Right headphone output mixer */
1086 	{"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"},
1087 	{"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"},
1088 	{"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1089 	{"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1090 	{"Right Headphone Mixer", "IN1 Switch", "IN1 Input"},
1091 	{"Right Headphone Mixer", "IN2 Switch", "IN2 Input"},
1092 
1093 	/* Left speaker output mixer */
1094 	{"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"},
1095 	{"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"},
1096 	{"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
1097 	{"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
1098 	{"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1099 	{"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1100 	{"Left Speaker Mixer", "IN1 Switch", "IN1 Input"},
1101 	{"Left Speaker Mixer", "IN2 Switch", "IN2 Input"},
1102 
1103 	/* Right speaker output mixer */
1104 	{"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"},
1105 	{"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"},
1106 	{"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
1107 	{"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
1108 	{"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1109 	{"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1110 	{"Right Speaker Mixer", "IN1 Switch", "IN1 Input"},
1111 	{"Right Speaker Mixer", "IN2 Switch", "IN2 Input"},
1112 
1113 	/* Earpiece/Receiver output mixer */
1114 	{"Receiver Mixer", "Left DAC1 Switch", "DACL1"},
1115 	{"Receiver Mixer", "Right DAC1 Switch", "DACR1"},
1116 	{"Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1117 	{"Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1118 	{"Receiver Mixer", "IN1 Switch", "IN1 Input"},
1119 	{"Receiver Mixer", "IN2 Switch", "IN2 Input"},
1120 
1121 	/* Left Lineout output mixer */
1122 	{"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"},
1123 	{"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"},
1124 	{"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
1125 	{"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
1126 	{"Left Lineout Mixer", "IN1 Switch", "IN1 Input"},
1127 	{"Left Lineout Mixer", "IN2 Switch", "IN2 Input"},
1128 
1129 	/* Right lineout output mixer */
1130 	{"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"},
1131 	{"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"},
1132 	{"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
1133 	{"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
1134 	{"Right Lineout Mixer", "IN1 Switch", "IN1 Input"},
1135 	{"Right Lineout Mixer", "IN2 Switch", "IN2 Input"},
1136 
1137 	{"HP Left Out", NULL, "Left Headphone Mixer"},
1138 	{"HP Right Out", NULL, "Right Headphone Mixer"},
1139 	{"SPK Left Out", NULL, "Left Speaker Mixer"},
1140 	{"SPK Right Out", NULL, "Right Speaker Mixer"},
1141 	{"RCV Mono Out", NULL, "Receiver Mixer"},
1142 	{"LINE Left Out", NULL, "Left Lineout Mixer"},
1143 	{"LINE Right Out", NULL, "Right Lineout Mixer"},
1144 
1145 	{"HPL", NULL, "HP Left Out"},
1146 	{"HPR", NULL, "HP Right Out"},
1147 	{"SPKL", NULL, "SPK Left Out"},
1148 	{"SPKR", NULL, "SPK Right Out"},
1149 	{"RCV", NULL, "RCV Mono Out"},
1150 	{"OUT1", NULL, "LINE Left Out"},
1151 	{"OUT2", NULL, "LINE Right Out"},
1152 	{"OUT3", NULL, "LINE Left Out"},
1153 	{"OUT4", NULL, "LINE Right Out"},
1154 
1155 	/* Left ADC input mixer */
1156 	{"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1157 	{"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1158 	{"Left ADC Mixer", "IN1 Switch", "IN1 Input"},
1159 	{"Left ADC Mixer", "IN2 Switch", "IN2 Input"},
1160 
1161 	/* Right ADC input mixer */
1162 	{"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1163 	{"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1164 	{"Right ADC Mixer", "IN1 Switch", "IN1 Input"},
1165 	{"Right ADC Mixer", "IN2 Switch", "IN2 Input"},
1166 
1167 	/* Inputs */
1168 	{"ADCL", NULL, "Left ADC Mixer"},
1169 	{"ADCR", NULL, "Right ADC Mixer"},
1170 
1171 	{"IN1 Input", NULL, "INA1"},
1172 	{"IN2 Input", NULL, "INA2"},
1173 
1174 	{"MIC1 Input", NULL, "MIC1"},
1175 	{"MIC2 Input", NULL, "MIC2"},
1176 };
1177 
1178 /* codec mclk clock divider coefficients */
1179 static const struct {
1180 	u32 rate;
1181 	u8  sr;
1182 } rate_table[] = {
1183 	{8000,  0x01},
1184 	{11025, 0x02},
1185 	{16000, 0x03},
1186 	{22050, 0x04},
1187 	{24000, 0x05},
1188 	{32000, 0x06},
1189 	{44100, 0x07},
1190 	{48000, 0x08},
1191 	{88200, 0x09},
1192 	{96000, 0x0A},
1193 };
1194 
1195 static int rate_value(int rate, u8 *value)
1196 {
1197 	int i;
1198 
1199 	for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
1200 		if (rate_table[i].rate >= rate) {
1201 			*value = rate_table[i].sr;
1202 			return 0;
1203 		}
1204 	}
1205 	*value = rate_table[0].sr;
1206 	return -EINVAL;
1207 }
1208 
1209 static int max98095_dai1_hw_params(struct snd_pcm_substream *substream,
1210 				   struct snd_pcm_hw_params *params,
1211 				   struct snd_soc_dai *dai)
1212 {
1213 	struct snd_soc_codec *codec = dai->codec;
1214 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1215 	struct max98095_cdata *cdata;
1216 	unsigned long long ni;
1217 	unsigned int rate;
1218 	u8 regval;
1219 
1220 	cdata = &max98095->dai[0];
1221 
1222 	rate = params_rate(params);
1223 
1224 	switch (params_width(params)) {
1225 	case 16:
1226 		snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1227 			M98095_DAI_WS, 0);
1228 		break;
1229 	case 24:
1230 		snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1231 			M98095_DAI_WS, M98095_DAI_WS);
1232 		break;
1233 	default:
1234 		return -EINVAL;
1235 	}
1236 
1237 	if (rate_value(rate, &regval))
1238 		return -EINVAL;
1239 
1240 	snd_soc_update_bits(codec, M98095_027_DAI1_CLKMODE,
1241 		M98095_CLKMODE_MASK, regval);
1242 	cdata->rate = rate;
1243 
1244 	/* Configure NI when operating as master */
1245 	if (snd_soc_read(codec, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) {
1246 		if (max98095->sysclk == 0) {
1247 			dev_err(codec->dev, "Invalid system clock frequency\n");
1248 			return -EINVAL;
1249 		}
1250 		ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1251 				* (unsigned long long int)rate;
1252 		do_div(ni, (unsigned long long int)max98095->sysclk);
1253 		snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
1254 			(ni >> 8) & 0x7F);
1255 		snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
1256 			ni & 0xFF);
1257 	}
1258 
1259 	/* Update sample rate mode */
1260 	if (rate < 50000)
1261 		snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
1262 			M98095_DAI_DHF, 0);
1263 	else
1264 		snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
1265 			M98095_DAI_DHF, M98095_DAI_DHF);
1266 
1267 	return 0;
1268 }
1269 
1270 static int max98095_dai2_hw_params(struct snd_pcm_substream *substream,
1271 				   struct snd_pcm_hw_params *params,
1272 				   struct snd_soc_dai *dai)
1273 {
1274 	struct snd_soc_codec *codec = dai->codec;
1275 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1276 	struct max98095_cdata *cdata;
1277 	unsigned long long ni;
1278 	unsigned int rate;
1279 	u8 regval;
1280 
1281 	cdata = &max98095->dai[1];
1282 
1283 	rate = params_rate(params);
1284 
1285 	switch (params_width(params)) {
1286 	case 16:
1287 		snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1288 			M98095_DAI_WS, 0);
1289 		break;
1290 	case 24:
1291 		snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1292 			M98095_DAI_WS, M98095_DAI_WS);
1293 		break;
1294 	default:
1295 		return -EINVAL;
1296 	}
1297 
1298 	if (rate_value(rate, &regval))
1299 		return -EINVAL;
1300 
1301 	snd_soc_update_bits(codec, M98095_031_DAI2_CLKMODE,
1302 		M98095_CLKMODE_MASK, regval);
1303 	cdata->rate = rate;
1304 
1305 	/* Configure NI when operating as master */
1306 	if (snd_soc_read(codec, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) {
1307 		if (max98095->sysclk == 0) {
1308 			dev_err(codec->dev, "Invalid system clock frequency\n");
1309 			return -EINVAL;
1310 		}
1311 		ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1312 				* (unsigned long long int)rate;
1313 		do_div(ni, (unsigned long long int)max98095->sysclk);
1314 		snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
1315 			(ni >> 8) & 0x7F);
1316 		snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
1317 			ni & 0xFF);
1318 	}
1319 
1320 	/* Update sample rate mode */
1321 	if (rate < 50000)
1322 		snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
1323 			M98095_DAI_DHF, 0);
1324 	else
1325 		snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
1326 			M98095_DAI_DHF, M98095_DAI_DHF);
1327 
1328 	return 0;
1329 }
1330 
1331 static int max98095_dai3_hw_params(struct snd_pcm_substream *substream,
1332 				   struct snd_pcm_hw_params *params,
1333 				   struct snd_soc_dai *dai)
1334 {
1335 	struct snd_soc_codec *codec = dai->codec;
1336 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1337 	struct max98095_cdata *cdata;
1338 	unsigned long long ni;
1339 	unsigned int rate;
1340 	u8 regval;
1341 
1342 	cdata = &max98095->dai[2];
1343 
1344 	rate = params_rate(params);
1345 
1346 	switch (params_width(params)) {
1347 	case 16:
1348 		snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1349 			M98095_DAI_WS, 0);
1350 		break;
1351 	case 24:
1352 		snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1353 			M98095_DAI_WS, M98095_DAI_WS);
1354 		break;
1355 	default:
1356 		return -EINVAL;
1357 	}
1358 
1359 	if (rate_value(rate, &regval))
1360 		return -EINVAL;
1361 
1362 	snd_soc_update_bits(codec, M98095_03B_DAI3_CLKMODE,
1363 		M98095_CLKMODE_MASK, regval);
1364 	cdata->rate = rate;
1365 
1366 	/* Configure NI when operating as master */
1367 	if (snd_soc_read(codec, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) {
1368 		if (max98095->sysclk == 0) {
1369 			dev_err(codec->dev, "Invalid system clock frequency\n");
1370 			return -EINVAL;
1371 		}
1372 		ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1373 				* (unsigned long long int)rate;
1374 		do_div(ni, (unsigned long long int)max98095->sysclk);
1375 		snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
1376 			(ni >> 8) & 0x7F);
1377 		snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
1378 			ni & 0xFF);
1379 	}
1380 
1381 	/* Update sample rate mode */
1382 	if (rate < 50000)
1383 		snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
1384 			M98095_DAI_DHF, 0);
1385 	else
1386 		snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
1387 			M98095_DAI_DHF, M98095_DAI_DHF);
1388 
1389 	return 0;
1390 }
1391 
1392 static int max98095_dai_set_sysclk(struct snd_soc_dai *dai,
1393 				   int clk_id, unsigned int freq, int dir)
1394 {
1395 	struct snd_soc_codec *codec = dai->codec;
1396 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1397 
1398 	/* Requested clock frequency is already setup */
1399 	if (freq == max98095->sysclk)
1400 		return 0;
1401 
1402 	if (!IS_ERR(max98095->mclk)) {
1403 		freq = clk_round_rate(max98095->mclk, freq);
1404 		clk_set_rate(max98095->mclk, freq);
1405 	}
1406 
1407 	/* Setup clocks for slave mode, and using the PLL
1408 	 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1409 	 *         0x02 (when master clk is 20MHz to 40MHz)..
1410 	 *         0x03 (when master clk is 40MHz to 60MHz)..
1411 	 */
1412 	if ((freq >= 10000000) && (freq < 20000000)) {
1413 		snd_soc_write(codec, M98095_026_SYS_CLK, 0x10);
1414 	} else if ((freq >= 20000000) && (freq < 40000000)) {
1415 		snd_soc_write(codec, M98095_026_SYS_CLK, 0x20);
1416 	} else if ((freq >= 40000000) && (freq < 60000000)) {
1417 		snd_soc_write(codec, M98095_026_SYS_CLK, 0x30);
1418 	} else {
1419 		dev_err(codec->dev, "Invalid master clock frequency\n");
1420 		return -EINVAL;
1421 	}
1422 
1423 	dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1424 
1425 	max98095->sysclk = freq;
1426 	return 0;
1427 }
1428 
1429 static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1430 				 unsigned int fmt)
1431 {
1432 	struct snd_soc_codec *codec = codec_dai->codec;
1433 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1434 	struct max98095_cdata *cdata;
1435 	u8 regval = 0;
1436 
1437 	cdata = &max98095->dai[0];
1438 
1439 	if (fmt != cdata->fmt) {
1440 		cdata->fmt = fmt;
1441 
1442 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1443 		case SND_SOC_DAIFMT_CBS_CFS:
1444 			/* Slave mode PLL */
1445 			snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
1446 				0x80);
1447 			snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
1448 				0x00);
1449 			break;
1450 		case SND_SOC_DAIFMT_CBM_CFM:
1451 			/* Set to master mode */
1452 			regval |= M98095_DAI_MAS;
1453 			break;
1454 		case SND_SOC_DAIFMT_CBS_CFM:
1455 		case SND_SOC_DAIFMT_CBM_CFS:
1456 		default:
1457 			dev_err(codec->dev, "Clock mode unsupported");
1458 			return -EINVAL;
1459 		}
1460 
1461 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1462 		case SND_SOC_DAIFMT_I2S:
1463 			regval |= M98095_DAI_DLY;
1464 			break;
1465 		case SND_SOC_DAIFMT_LEFT_J:
1466 			break;
1467 		default:
1468 			return -EINVAL;
1469 		}
1470 
1471 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1472 		case SND_SOC_DAIFMT_NB_NF:
1473 			break;
1474 		case SND_SOC_DAIFMT_NB_IF:
1475 			regval |= M98095_DAI_WCI;
1476 			break;
1477 		case SND_SOC_DAIFMT_IB_NF:
1478 			regval |= M98095_DAI_BCI;
1479 			break;
1480 		case SND_SOC_DAIFMT_IB_IF:
1481 			regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1482 			break;
1483 		default:
1484 			return -EINVAL;
1485 		}
1486 
1487 		snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
1488 			M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1489 			M98095_DAI_WCI, regval);
1490 
1491 		snd_soc_write(codec, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
1492 	}
1493 
1494 	return 0;
1495 }
1496 
1497 static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1498 				 unsigned int fmt)
1499 {
1500 	struct snd_soc_codec *codec = codec_dai->codec;
1501 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1502 	struct max98095_cdata *cdata;
1503 	u8 regval = 0;
1504 
1505 	cdata = &max98095->dai[1];
1506 
1507 	if (fmt != cdata->fmt) {
1508 		cdata->fmt = fmt;
1509 
1510 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1511 		case SND_SOC_DAIFMT_CBS_CFS:
1512 			/* Slave mode PLL */
1513 			snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
1514 				0x80);
1515 			snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
1516 				0x00);
1517 			break;
1518 		case SND_SOC_DAIFMT_CBM_CFM:
1519 			/* Set to master mode */
1520 			regval |= M98095_DAI_MAS;
1521 			break;
1522 		case SND_SOC_DAIFMT_CBS_CFM:
1523 		case SND_SOC_DAIFMT_CBM_CFS:
1524 		default:
1525 			dev_err(codec->dev, "Clock mode unsupported");
1526 			return -EINVAL;
1527 		}
1528 
1529 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1530 		case SND_SOC_DAIFMT_I2S:
1531 			regval |= M98095_DAI_DLY;
1532 			break;
1533 		case SND_SOC_DAIFMT_LEFT_J:
1534 			break;
1535 		default:
1536 			return -EINVAL;
1537 		}
1538 
1539 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1540 		case SND_SOC_DAIFMT_NB_NF:
1541 			break;
1542 		case SND_SOC_DAIFMT_NB_IF:
1543 			regval |= M98095_DAI_WCI;
1544 			break;
1545 		case SND_SOC_DAIFMT_IB_NF:
1546 			regval |= M98095_DAI_BCI;
1547 			break;
1548 		case SND_SOC_DAIFMT_IB_IF:
1549 			regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1550 			break;
1551 		default:
1552 			return -EINVAL;
1553 		}
1554 
1555 		snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
1556 			M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1557 			M98095_DAI_WCI, regval);
1558 
1559 		snd_soc_write(codec, M98095_035_DAI2_CLOCK,
1560 			M98095_DAI_BSEL64);
1561 	}
1562 
1563 	return 0;
1564 }
1565 
1566 static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
1567 				 unsigned int fmt)
1568 {
1569 	struct snd_soc_codec *codec = codec_dai->codec;
1570 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1571 	struct max98095_cdata *cdata;
1572 	u8 regval = 0;
1573 
1574 	cdata = &max98095->dai[2];
1575 
1576 	if (fmt != cdata->fmt) {
1577 		cdata->fmt = fmt;
1578 
1579 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1580 		case SND_SOC_DAIFMT_CBS_CFS:
1581 			/* Slave mode PLL */
1582 			snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
1583 				0x80);
1584 			snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
1585 				0x00);
1586 			break;
1587 		case SND_SOC_DAIFMT_CBM_CFM:
1588 			/* Set to master mode */
1589 			regval |= M98095_DAI_MAS;
1590 			break;
1591 		case SND_SOC_DAIFMT_CBS_CFM:
1592 		case SND_SOC_DAIFMT_CBM_CFS:
1593 		default:
1594 			dev_err(codec->dev, "Clock mode unsupported");
1595 			return -EINVAL;
1596 		}
1597 
1598 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1599 		case SND_SOC_DAIFMT_I2S:
1600 			regval |= M98095_DAI_DLY;
1601 			break;
1602 		case SND_SOC_DAIFMT_LEFT_J:
1603 			break;
1604 		default:
1605 			return -EINVAL;
1606 		}
1607 
1608 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1609 		case SND_SOC_DAIFMT_NB_NF:
1610 			break;
1611 		case SND_SOC_DAIFMT_NB_IF:
1612 			regval |= M98095_DAI_WCI;
1613 			break;
1614 		case SND_SOC_DAIFMT_IB_NF:
1615 			regval |= M98095_DAI_BCI;
1616 			break;
1617 		case SND_SOC_DAIFMT_IB_IF:
1618 			regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1619 			break;
1620 		default:
1621 			return -EINVAL;
1622 		}
1623 
1624 		snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
1625 			M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1626 			M98095_DAI_WCI, regval);
1627 
1628 		snd_soc_write(codec, M98095_03F_DAI3_CLOCK,
1629 			M98095_DAI_BSEL64);
1630 	}
1631 
1632 	return 0;
1633 }
1634 
1635 static int max98095_set_bias_level(struct snd_soc_codec *codec,
1636 				   enum snd_soc_bias_level level)
1637 {
1638 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1639 	int ret;
1640 
1641 	switch (level) {
1642 	case SND_SOC_BIAS_ON:
1643 		break;
1644 
1645 	case SND_SOC_BIAS_PREPARE:
1646 		/*
1647 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1648 		 * transition to ON or away from ON. If current bias_level
1649 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1650 		 * away from ON. Disable the clock in that case, otherwise
1651 		 * enable it.
1652 		 */
1653 		if (!IS_ERR(max98095->mclk)) {
1654 			if (codec->dapm.bias_level == SND_SOC_BIAS_ON)
1655 				clk_disable_unprepare(max98095->mclk);
1656 			else
1657 				clk_prepare_enable(max98095->mclk);
1658 		}
1659 		break;
1660 
1661 	case SND_SOC_BIAS_STANDBY:
1662 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1663 			ret = regcache_sync(max98095->regmap);
1664 
1665 			if (ret != 0) {
1666 				dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
1667 				return ret;
1668 			}
1669 		}
1670 
1671 		snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1672 				M98095_MBEN, M98095_MBEN);
1673 		break;
1674 
1675 	case SND_SOC_BIAS_OFF:
1676 		snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
1677 				M98095_MBEN, 0);
1678 		regcache_mark_dirty(max98095->regmap);
1679 		break;
1680 	}
1681 	codec->dapm.bias_level = level;
1682 	return 0;
1683 }
1684 
1685 #define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
1686 #define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1687 
1688 static const struct snd_soc_dai_ops max98095_dai1_ops = {
1689 	.set_sysclk = max98095_dai_set_sysclk,
1690 	.set_fmt = max98095_dai1_set_fmt,
1691 	.hw_params = max98095_dai1_hw_params,
1692 };
1693 
1694 static const struct snd_soc_dai_ops max98095_dai2_ops = {
1695 	.set_sysclk = max98095_dai_set_sysclk,
1696 	.set_fmt = max98095_dai2_set_fmt,
1697 	.hw_params = max98095_dai2_hw_params,
1698 };
1699 
1700 static const struct snd_soc_dai_ops max98095_dai3_ops = {
1701 	.set_sysclk = max98095_dai_set_sysclk,
1702 	.set_fmt = max98095_dai3_set_fmt,
1703 	.hw_params = max98095_dai3_hw_params,
1704 };
1705 
1706 static struct snd_soc_dai_driver max98095_dai[] = {
1707 {
1708 	.name = "HiFi",
1709 	.playback = {
1710 		.stream_name = "HiFi Playback",
1711 		.channels_min = 1,
1712 		.channels_max = 2,
1713 		.rates = MAX98095_RATES,
1714 		.formats = MAX98095_FORMATS,
1715 	},
1716 	.capture = {
1717 		.stream_name = "HiFi Capture",
1718 		.channels_min = 1,
1719 		.channels_max = 2,
1720 		.rates = MAX98095_RATES,
1721 		.formats = MAX98095_FORMATS,
1722 	},
1723 	 .ops = &max98095_dai1_ops,
1724 },
1725 {
1726 	.name = "Aux",
1727 	.playback = {
1728 		.stream_name = "Aux Playback",
1729 		.channels_min = 1,
1730 		.channels_max = 1,
1731 		.rates = MAX98095_RATES,
1732 		.formats = MAX98095_FORMATS,
1733 	},
1734 	.ops = &max98095_dai2_ops,
1735 },
1736 {
1737 	.name = "Voice",
1738 	.playback = {
1739 		.stream_name = "Voice Playback",
1740 		.channels_min = 1,
1741 		.channels_max = 1,
1742 		.rates = MAX98095_RATES,
1743 		.formats = MAX98095_FORMATS,
1744 	},
1745 	.ops = &max98095_dai3_ops,
1746 }
1747 
1748 };
1749 
1750 static int max98095_get_eq_channel(const char *name)
1751 {
1752 	if (strcmp(name, "EQ1 Mode") == 0)
1753 		return 0;
1754 	if (strcmp(name, "EQ2 Mode") == 0)
1755 		return 1;
1756 	return -EINVAL;
1757 }
1758 
1759 static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
1760 				 struct snd_ctl_elem_value *ucontrol)
1761 {
1762 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1763 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1764 	struct max98095_pdata *pdata = max98095->pdata;
1765 	int channel = max98095_get_eq_channel(kcontrol->id.name);
1766 	struct max98095_cdata *cdata;
1767 	unsigned int sel = ucontrol->value.integer.value[0];
1768 	struct max98095_eq_cfg *coef_set;
1769 	int fs, best, best_val, i;
1770 	int regmask, regsave;
1771 
1772 	if (WARN_ON(channel > 1))
1773 		return -EINVAL;
1774 
1775 	if (!pdata || !max98095->eq_textcnt)
1776 		return 0;
1777 
1778 	if (sel >= pdata->eq_cfgcnt)
1779 		return -EINVAL;
1780 
1781 	cdata = &max98095->dai[channel];
1782 	cdata->eq_sel = sel;
1783 	fs = cdata->rate;
1784 
1785 	/* Find the selected configuration with nearest sample rate */
1786 	best = 0;
1787 	best_val = INT_MAX;
1788 	for (i = 0; i < pdata->eq_cfgcnt; i++) {
1789 		if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
1790 			abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1791 			best = i;
1792 			best_val = abs(pdata->eq_cfg[i].rate - fs);
1793 		}
1794 	}
1795 
1796 	dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1797 		pdata->eq_cfg[best].name,
1798 		pdata->eq_cfg[best].rate, fs);
1799 
1800 	coef_set = &pdata->eq_cfg[best];
1801 
1802 	regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
1803 
1804 	/* Disable filter while configuring, and save current on/off state */
1805 	regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
1806 	snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
1807 
1808 	mutex_lock(&max98095->lock);
1809 	snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1810 	m98095_eq_band(codec, channel, 0, coef_set->band1);
1811 	m98095_eq_band(codec, channel, 1, coef_set->band2);
1812 	m98095_eq_band(codec, channel, 2, coef_set->band3);
1813 	m98095_eq_band(codec, channel, 3, coef_set->band4);
1814 	m98095_eq_band(codec, channel, 4, coef_set->band5);
1815 	snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
1816 	mutex_unlock(&max98095->lock);
1817 
1818 	/* Restore the original on/off state */
1819 	snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
1820 	return 0;
1821 }
1822 
1823 static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
1824 				 struct snd_ctl_elem_value *ucontrol)
1825 {
1826 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1827 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1828 	int channel = max98095_get_eq_channel(kcontrol->id.name);
1829 	struct max98095_cdata *cdata;
1830 
1831 	cdata = &max98095->dai[channel];
1832 	ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1833 
1834 	return 0;
1835 }
1836 
1837 static void max98095_handle_eq_pdata(struct snd_soc_codec *codec)
1838 {
1839 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1840 	struct max98095_pdata *pdata = max98095->pdata;
1841 	struct max98095_eq_cfg *cfg;
1842 	unsigned int cfgcnt;
1843 	int i, j;
1844 	const char **t;
1845 	int ret;
1846 
1847 	struct snd_kcontrol_new controls[] = {
1848 		SOC_ENUM_EXT("EQ1 Mode",
1849 			max98095->eq_enum,
1850 			max98095_get_eq_enum,
1851 			max98095_put_eq_enum),
1852 		SOC_ENUM_EXT("EQ2 Mode",
1853 			max98095->eq_enum,
1854 			max98095_get_eq_enum,
1855 			max98095_put_eq_enum),
1856 	};
1857 
1858 	cfg = pdata->eq_cfg;
1859 	cfgcnt = pdata->eq_cfgcnt;
1860 
1861 	/* Setup an array of texts for the equalizer enum.
1862 	 * This is based on Mark Brown's equalizer driver code.
1863 	 */
1864 	max98095->eq_textcnt = 0;
1865 	max98095->eq_texts = NULL;
1866 	for (i = 0; i < cfgcnt; i++) {
1867 		for (j = 0; j < max98095->eq_textcnt; j++) {
1868 			if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
1869 				break;
1870 		}
1871 
1872 		if (j != max98095->eq_textcnt)
1873 			continue;
1874 
1875 		/* Expand the array */
1876 		t = krealloc(max98095->eq_texts,
1877 			     sizeof(char *) * (max98095->eq_textcnt + 1),
1878 			     GFP_KERNEL);
1879 		if (t == NULL)
1880 			continue;
1881 
1882 		/* Store the new entry */
1883 		t[max98095->eq_textcnt] = cfg[i].name;
1884 		max98095->eq_textcnt++;
1885 		max98095->eq_texts = t;
1886 	}
1887 
1888 	/* Now point the soc_enum to .texts array items */
1889 	max98095->eq_enum.texts = max98095->eq_texts;
1890 	max98095->eq_enum.items = max98095->eq_textcnt;
1891 
1892 	ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
1893 	if (ret != 0)
1894 		dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
1895 }
1896 
1897 static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"};
1898 
1899 static int max98095_get_bq_channel(struct snd_soc_codec *codec,
1900 				   const char *name)
1901 {
1902 	int i;
1903 
1904 	for (i = 0; i < ARRAY_SIZE(bq_mode_name); i++)
1905 		if (strcmp(name, bq_mode_name[i]) == 0)
1906 			return i;
1907 
1908 	/* Shouldn't happen */
1909 	dev_err(codec->dev, "Bad biquad channel name '%s'\n", name);
1910 	return -EINVAL;
1911 }
1912 
1913 static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
1914 				 struct snd_ctl_elem_value *ucontrol)
1915 {
1916 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1917 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1918 	struct max98095_pdata *pdata = max98095->pdata;
1919 	int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
1920 	struct max98095_cdata *cdata;
1921 	unsigned int sel = ucontrol->value.integer.value[0];
1922 	struct max98095_biquad_cfg *coef_set;
1923 	int fs, best, best_val, i;
1924 	int regmask, regsave;
1925 
1926 	if (channel < 0)
1927 		return channel;
1928 
1929 	if (!pdata || !max98095->bq_textcnt)
1930 		return 0;
1931 
1932 	if (sel >= pdata->bq_cfgcnt)
1933 		return -EINVAL;
1934 
1935 	cdata = &max98095->dai[channel];
1936 	cdata->bq_sel = sel;
1937 	fs = cdata->rate;
1938 
1939 	/* Find the selected configuration with nearest sample rate */
1940 	best = 0;
1941 	best_val = INT_MAX;
1942 	for (i = 0; i < pdata->bq_cfgcnt; i++) {
1943 		if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
1944 			abs(pdata->bq_cfg[i].rate - fs) < best_val) {
1945 			best = i;
1946 			best_val = abs(pdata->bq_cfg[i].rate - fs);
1947 		}
1948 	}
1949 
1950 	dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1951 		pdata->bq_cfg[best].name,
1952 		pdata->bq_cfg[best].rate, fs);
1953 
1954 	coef_set = &pdata->bq_cfg[best];
1955 
1956 	regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
1957 
1958 	/* Disable filter while configuring, and save current on/off state */
1959 	regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
1960 	snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
1961 
1962 	mutex_lock(&max98095->lock);
1963 	snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1964 	m98095_biquad_band(codec, channel, 0, coef_set->band1);
1965 	m98095_biquad_band(codec, channel, 1, coef_set->band2);
1966 	snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
1967 	mutex_unlock(&max98095->lock);
1968 
1969 	/* Restore the original on/off state */
1970 	snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
1971 	return 0;
1972 }
1973 
1974 static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
1975 				 struct snd_ctl_elem_value *ucontrol)
1976 {
1977 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1978 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1979 	int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
1980 	struct max98095_cdata *cdata;
1981 
1982 	if (channel < 0)
1983 		return channel;
1984 
1985 	cdata = &max98095->dai[channel];
1986 	ucontrol->value.enumerated.item[0] = cdata->bq_sel;
1987 
1988 	return 0;
1989 }
1990 
1991 static void max98095_handle_bq_pdata(struct snd_soc_codec *codec)
1992 {
1993 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
1994 	struct max98095_pdata *pdata = max98095->pdata;
1995 	struct max98095_biquad_cfg *cfg;
1996 	unsigned int cfgcnt;
1997 	int i, j;
1998 	const char **t;
1999 	int ret;
2000 
2001 	struct snd_kcontrol_new controls[] = {
2002 		SOC_ENUM_EXT((char *)bq_mode_name[0],
2003 			max98095->bq_enum,
2004 			max98095_get_bq_enum,
2005 			max98095_put_bq_enum),
2006 		SOC_ENUM_EXT((char *)bq_mode_name[1],
2007 			max98095->bq_enum,
2008 			max98095_get_bq_enum,
2009 			max98095_put_bq_enum),
2010 	};
2011 	BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name));
2012 
2013 	cfg = pdata->bq_cfg;
2014 	cfgcnt = pdata->bq_cfgcnt;
2015 
2016 	/* Setup an array of texts for the biquad enum.
2017 	 * This is based on Mark Brown's equalizer driver code.
2018 	 */
2019 	max98095->bq_textcnt = 0;
2020 	max98095->bq_texts = NULL;
2021 	for (i = 0; i < cfgcnt; i++) {
2022 		for (j = 0; j < max98095->bq_textcnt; j++) {
2023 			if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
2024 				break;
2025 		}
2026 
2027 		if (j != max98095->bq_textcnt)
2028 			continue;
2029 
2030 		/* Expand the array */
2031 		t = krealloc(max98095->bq_texts,
2032 			     sizeof(char *) * (max98095->bq_textcnt + 1),
2033 			     GFP_KERNEL);
2034 		if (t == NULL)
2035 			continue;
2036 
2037 		/* Store the new entry */
2038 		t[max98095->bq_textcnt] = cfg[i].name;
2039 		max98095->bq_textcnt++;
2040 		max98095->bq_texts = t;
2041 	}
2042 
2043 	/* Now point the soc_enum to .texts array items */
2044 	max98095->bq_enum.texts = max98095->bq_texts;
2045 	max98095->bq_enum.items = max98095->bq_textcnt;
2046 
2047 	ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2048 	if (ret != 0)
2049 		dev_err(codec->dev, "Failed to add Biquad control: %d\n", ret);
2050 }
2051 
2052 static void max98095_handle_pdata(struct snd_soc_codec *codec)
2053 {
2054 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2055 	struct max98095_pdata *pdata = max98095->pdata;
2056 	u8 regval = 0;
2057 
2058 	if (!pdata) {
2059 		dev_dbg(codec->dev, "No platform data\n");
2060 		return;
2061 	}
2062 
2063 	/* Configure mic for analog/digital mic mode */
2064 	if (pdata->digmic_left_mode)
2065 		regval |= M98095_DIGMIC_L;
2066 
2067 	if (pdata->digmic_right_mode)
2068 		regval |= M98095_DIGMIC_R;
2069 
2070 	snd_soc_write(codec, M98095_087_CFG_MIC, regval);
2071 
2072 	/* Configure equalizers */
2073 	if (pdata->eq_cfgcnt)
2074 		max98095_handle_eq_pdata(codec);
2075 
2076 	/* Configure bi-quad filters */
2077 	if (pdata->bq_cfgcnt)
2078 		max98095_handle_bq_pdata(codec);
2079 }
2080 
2081 static irqreturn_t max98095_report_jack(int irq, void *data)
2082 {
2083 	struct snd_soc_codec *codec = data;
2084 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2085 	unsigned int value;
2086 	int hp_report = 0;
2087 	int mic_report = 0;
2088 
2089 	/* Read the Jack Status Register */
2090 	value = snd_soc_read(codec, M98095_007_JACK_AUTO_STS);
2091 
2092 	/* If ddone is not set, then detection isn't finished yet */
2093 	if ((value & M98095_DDONE) == 0)
2094 		return IRQ_NONE;
2095 
2096 	/* if hp, check its bit, and if set, clear it */
2097 	if ((value & M98095_HP_IN || value & M98095_LO_IN) &&
2098 		max98095->headphone_jack)
2099 		hp_report |= SND_JACK_HEADPHONE;
2100 
2101 	/* if mic, check its bit, and if set, clear it */
2102 	if ((value & M98095_MIC_IN) && max98095->mic_jack)
2103 		mic_report |= SND_JACK_MICROPHONE;
2104 
2105 	if (max98095->headphone_jack == max98095->mic_jack) {
2106 		snd_soc_jack_report(max98095->headphone_jack,
2107 					hp_report | mic_report,
2108 					SND_JACK_HEADSET);
2109 	} else {
2110 		if (max98095->headphone_jack)
2111 			snd_soc_jack_report(max98095->headphone_jack,
2112 					hp_report, SND_JACK_HEADPHONE);
2113 		if (max98095->mic_jack)
2114 			snd_soc_jack_report(max98095->mic_jack,
2115 					mic_report, SND_JACK_MICROPHONE);
2116 	}
2117 
2118 	return IRQ_HANDLED;
2119 }
2120 
2121 static int max98095_jack_detect_enable(struct snd_soc_codec *codec)
2122 {
2123 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2124 	int ret = 0;
2125 	int detect_enable = M98095_JDEN;
2126 	unsigned int slew = M98095_DEFAULT_SLEW_DELAY;
2127 
2128 	if (max98095->pdata->jack_detect_pin5en)
2129 		detect_enable |= M98095_PIN5EN;
2130 
2131 	if (max98095->pdata->jack_detect_delay)
2132 		slew = max98095->pdata->jack_detect_delay;
2133 
2134 	ret = snd_soc_write(codec, M98095_08E_JACK_DC_SLEW, slew);
2135 	if (ret < 0) {
2136 		dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
2137 		return ret;
2138 	}
2139 
2140 	/* configure auto detection to be enabled */
2141 	ret = snd_soc_write(codec, M98095_089_JACK_DET_AUTO, detect_enable);
2142 	if (ret < 0) {
2143 		dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
2144 		return ret;
2145 	}
2146 
2147 	return ret;
2148 }
2149 
2150 static int max98095_jack_detect_disable(struct snd_soc_codec *codec)
2151 {
2152 	int ret = 0;
2153 
2154 	/* configure auto detection to be disabled */
2155 	ret = snd_soc_write(codec, M98095_089_JACK_DET_AUTO, 0x0);
2156 	if (ret < 0) {
2157 		dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
2158 		return ret;
2159 	}
2160 
2161 	return ret;
2162 }
2163 
2164 int max98095_jack_detect(struct snd_soc_codec *codec,
2165 	struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack)
2166 {
2167 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2168 	struct i2c_client *client = to_i2c_client(codec->dev);
2169 	int ret = 0;
2170 
2171 	max98095->headphone_jack = hp_jack;
2172 	max98095->mic_jack = mic_jack;
2173 
2174 	/* only progress if we have at least 1 jack pointer */
2175 	if (!hp_jack && !mic_jack)
2176 		return -EINVAL;
2177 
2178 	max98095_jack_detect_enable(codec);
2179 
2180 	/* enable interrupts for headphone jack detection */
2181 	ret = snd_soc_update_bits(codec, M98095_013_JACK_INT_EN,
2182 		M98095_IDDONE, M98095_IDDONE);
2183 	if (ret < 0) {
2184 		dev_err(codec->dev, "Failed to cfg jack irqs %d\n", ret);
2185 		return ret;
2186 	}
2187 
2188 	max98095_report_jack(client->irq, codec);
2189 	return 0;
2190 }
2191 EXPORT_SYMBOL_GPL(max98095_jack_detect);
2192 
2193 #ifdef CONFIG_PM
2194 static int max98095_suspend(struct snd_soc_codec *codec)
2195 {
2196 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2197 
2198 	if (max98095->headphone_jack || max98095->mic_jack)
2199 		max98095_jack_detect_disable(codec);
2200 
2201 	max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
2202 
2203 	return 0;
2204 }
2205 
2206 static int max98095_resume(struct snd_soc_codec *codec)
2207 {
2208 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2209 	struct i2c_client *client = to_i2c_client(codec->dev);
2210 
2211 	max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
2212 
2213 	if (max98095->headphone_jack || max98095->mic_jack) {
2214 		max98095_jack_detect_enable(codec);
2215 		max98095_report_jack(client->irq, codec);
2216 	}
2217 
2218 	return 0;
2219 }
2220 #else
2221 #define max98095_suspend NULL
2222 #define max98095_resume NULL
2223 #endif
2224 
2225 static int max98095_reset(struct snd_soc_codec *codec)
2226 {
2227 	int i, ret;
2228 
2229 	/* Gracefully reset the DSP core and the codec hardware
2230 	 * in a proper sequence */
2231 	ret = snd_soc_write(codec, M98095_00F_HOST_CFG, 0);
2232 	if (ret < 0) {
2233 		dev_err(codec->dev, "Failed to reset DSP: %d\n", ret);
2234 		return ret;
2235 	}
2236 
2237 	ret = snd_soc_write(codec, M98095_097_PWR_SYS, 0);
2238 	if (ret < 0) {
2239 		dev_err(codec->dev, "Failed to reset codec: %d\n", ret);
2240 		return ret;
2241 	}
2242 
2243 	/* Reset to hardware default for registers, as there is not
2244 	 * a soft reset hardware control register */
2245 	for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
2246 		ret = snd_soc_write(codec, i, snd_soc_read(codec, i));
2247 		if (ret < 0) {
2248 			dev_err(codec->dev, "Failed to reset: %d\n", ret);
2249 			return ret;
2250 		}
2251 	}
2252 
2253 	return ret;
2254 }
2255 
2256 static int max98095_probe(struct snd_soc_codec *codec)
2257 {
2258 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2259 	struct max98095_cdata *cdata;
2260 	struct i2c_client *client;
2261 	int ret = 0;
2262 
2263 	max98095->mclk = devm_clk_get(codec->dev, "mclk");
2264 	if (PTR_ERR(max98095->mclk) == -EPROBE_DEFER)
2265 		return -EPROBE_DEFER;
2266 
2267 	/* reset the codec, the DSP core, and disable all interrupts */
2268 	max98095_reset(codec);
2269 
2270 	client = to_i2c_client(codec->dev);
2271 
2272 	/* initialize private data */
2273 
2274 	max98095->sysclk = (unsigned)-1;
2275 	max98095->eq_textcnt = 0;
2276 	max98095->bq_textcnt = 0;
2277 
2278 	cdata = &max98095->dai[0];
2279 	cdata->rate = (unsigned)-1;
2280 	cdata->fmt  = (unsigned)-1;
2281 	cdata->eq_sel = 0;
2282 	cdata->bq_sel = 0;
2283 
2284 	cdata = &max98095->dai[1];
2285 	cdata->rate = (unsigned)-1;
2286 	cdata->fmt  = (unsigned)-1;
2287 	cdata->eq_sel = 0;
2288 	cdata->bq_sel = 0;
2289 
2290 	cdata = &max98095->dai[2];
2291 	cdata->rate = (unsigned)-1;
2292 	cdata->fmt  = (unsigned)-1;
2293 	cdata->eq_sel = 0;
2294 	cdata->bq_sel = 0;
2295 
2296 	max98095->lin_state = 0;
2297 	max98095->mic1pre = 0;
2298 	max98095->mic2pre = 0;
2299 
2300 	if (client->irq) {
2301 		/* register an audio interrupt */
2302 		ret = request_threaded_irq(client->irq, NULL,
2303 			max98095_report_jack,
2304 			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
2305 			"max98095", codec);
2306 		if (ret) {
2307 			dev_err(codec->dev, "Failed to request IRQ: %d\n", ret);
2308 			goto err_access;
2309 		}
2310 	}
2311 
2312 	ret = snd_soc_read(codec, M98095_0FF_REV_ID);
2313 	if (ret < 0) {
2314 		dev_err(codec->dev, "Failure reading hardware revision: %d\n",
2315 			ret);
2316 		goto err_irq;
2317 	}
2318 	dev_info(codec->dev, "Hardware revision: %c\n", ret - 0x40 + 'A');
2319 
2320 	snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV);
2321 
2322 	snd_soc_write(codec, M98095_048_MIX_DAC_LR,
2323 		M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
2324 
2325 	snd_soc_write(codec, M98095_049_MIX_DAC_M,
2326 		M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
2327 
2328 	snd_soc_write(codec, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
2329 	snd_soc_write(codec, M98095_045_CFG_DSP, M98095_DSPNORMAL);
2330 	snd_soc_write(codec, M98095_04E_CFG_HP, M98095_HPNORMAL);
2331 
2332 	snd_soc_write(codec, M98095_02C_DAI1_IOCFG,
2333 		M98095_S1NORMAL|M98095_SDATA);
2334 
2335 	snd_soc_write(codec, M98095_036_DAI2_IOCFG,
2336 		M98095_S2NORMAL|M98095_SDATA);
2337 
2338 	snd_soc_write(codec, M98095_040_DAI3_IOCFG,
2339 		M98095_S3NORMAL|M98095_SDATA);
2340 
2341 	max98095_handle_pdata(codec);
2342 
2343 	/* take the codec out of the shut down */
2344 	snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN,
2345 		M98095_SHDNRUN);
2346 
2347 	return 0;
2348 
2349 err_irq:
2350 	if (client->irq)
2351 		free_irq(client->irq, codec);
2352 err_access:
2353 	return ret;
2354 }
2355 
2356 static int max98095_remove(struct snd_soc_codec *codec)
2357 {
2358 	struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
2359 	struct i2c_client *client = to_i2c_client(codec->dev);
2360 
2361 	if (max98095->headphone_jack || max98095->mic_jack)
2362 		max98095_jack_detect_disable(codec);
2363 
2364 	if (client->irq)
2365 		free_irq(client->irq, codec);
2366 
2367 	return 0;
2368 }
2369 
2370 static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
2371 	.probe   = max98095_probe,
2372 	.remove  = max98095_remove,
2373 	.suspend = max98095_suspend,
2374 	.resume  = max98095_resume,
2375 	.set_bias_level = max98095_set_bias_level,
2376 	.controls = max98095_snd_controls,
2377 	.num_controls = ARRAY_SIZE(max98095_snd_controls),
2378 	.dapm_widgets	  = max98095_dapm_widgets,
2379 	.num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
2380 	.dapm_routes     = max98095_audio_map,
2381 	.num_dapm_routes = ARRAY_SIZE(max98095_audio_map),
2382 };
2383 
2384 static int max98095_i2c_probe(struct i2c_client *i2c,
2385 			     const struct i2c_device_id *id)
2386 {
2387 	struct max98095_priv *max98095;
2388 	int ret;
2389 
2390 	max98095 = devm_kzalloc(&i2c->dev, sizeof(struct max98095_priv),
2391 				GFP_KERNEL);
2392 	if (max98095 == NULL)
2393 		return -ENOMEM;
2394 
2395 	mutex_init(&max98095->lock);
2396 
2397 	max98095->regmap = devm_regmap_init_i2c(i2c, &max98095_regmap);
2398 	if (IS_ERR(max98095->regmap)) {
2399 		ret = PTR_ERR(max98095->regmap);
2400 		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
2401 		return ret;
2402 	}
2403 
2404 	max98095->devtype = id->driver_data;
2405 	i2c_set_clientdata(i2c, max98095);
2406 	max98095->pdata = i2c->dev.platform_data;
2407 
2408 	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98095,
2409 				     max98095_dai, ARRAY_SIZE(max98095_dai));
2410 	return ret;
2411 }
2412 
2413 static int max98095_i2c_remove(struct i2c_client *client)
2414 {
2415 	snd_soc_unregister_codec(&client->dev);
2416 	return 0;
2417 }
2418 
2419 static const struct i2c_device_id max98095_i2c_id[] = {
2420 	{ "max98095", MAX98095 },
2421 	{ }
2422 };
2423 MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
2424 
2425 static const struct of_device_id max98095_of_match[] = {
2426 	{ .compatible = "maxim,max98095", },
2427 	{ }
2428 };
2429 MODULE_DEVICE_TABLE(of, max98095_of_match);
2430 
2431 static struct i2c_driver max98095_i2c_driver = {
2432 	.driver = {
2433 		.name = "max98095",
2434 		.owner = THIS_MODULE,
2435 		.of_match_table = of_match_ptr(max98095_of_match),
2436 	},
2437 	.probe  = max98095_i2c_probe,
2438 	.remove = max98095_i2c_remove,
2439 	.id_table = max98095_i2c_id,
2440 };
2441 
2442 module_i2c_driver(max98095_i2c_driver);
2443 
2444 MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
2445 MODULE_AUTHOR("Peter Hsiang");
2446 MODULE_LICENSE("GPL");
2447