xref: /linux/sound/soc/codecs/max98088.c (revision a13d7201d7deedcbb6ac6efa94a1a7d34d3d79ec)
1 /*
2  * max98088.c -- MAX98088 ALSA SoC Audio driver
3  *
4  * Copyright 2010 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/regmap.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/initval.h>
24 #include <sound/tlv.h>
25 #include <linux/slab.h>
26 #include <asm/div64.h>
27 #include <sound/max98088.h>
28 #include "max98088.h"
29 
30 enum max98088_type {
31        MAX98088,
32        MAX98089,
33 };
34 
35 struct max98088_cdata {
36        unsigned int rate;
37        unsigned int fmt;
38        int eq_sel;
39 };
40 
41 struct max98088_priv {
42 	struct regmap *regmap;
43 	enum max98088_type devtype;
44 	struct max98088_pdata *pdata;
45 	unsigned int sysclk;
46 	struct max98088_cdata dai[2];
47 	int eq_textcnt;
48 	const char **eq_texts;
49 	struct soc_enum eq_enum;
50 	u8 ina_state;
51 	u8 inb_state;
52 	unsigned int ex_mode;
53 	unsigned int digmic;
54 	unsigned int mic1pre;
55 	unsigned int mic2pre;
56 	unsigned int extmic_mode;
57 };
58 
59 static const struct reg_default max98088_reg[] = {
60 	{  0xf, 0x00 }, /* 0F interrupt enable */
61 
62 	{ 0x10, 0x00 }, /* 10 master clock */
63 	{ 0x11, 0x00 }, /* 11 DAI1 clock mode */
64 	{ 0x12, 0x00 }, /* 12 DAI1 clock control */
65 	{ 0x13, 0x00 }, /* 13 DAI1 clock control */
66 	{ 0x14, 0x00 }, /* 14 DAI1 format */
67 	{ 0x15, 0x00 }, /* 15 DAI1 clock */
68 	{ 0x16, 0x00 }, /* 16 DAI1 config */
69 	{ 0x17, 0x00 }, /* 17 DAI1 TDM */
70 	{ 0x18, 0x00 }, /* 18 DAI1 filters */
71 	{ 0x19, 0x00 }, /* 19 DAI2 clock mode */
72 	{ 0x1a, 0x00 }, /* 1A DAI2 clock control */
73 	{ 0x1b, 0x00 }, /* 1B DAI2 clock control */
74 	{ 0x1c, 0x00 }, /* 1C DAI2 format */
75 	{ 0x1d, 0x00 }, /* 1D DAI2 clock */
76 	{ 0x1e, 0x00 }, /* 1E DAI2 config */
77 	{ 0x1f, 0x00 }, /* 1F DAI2 TDM */
78 
79 	{ 0x20, 0x00 }, /* 20 DAI2 filters */
80 	{ 0x21, 0x00 }, /* 21 data config */
81 	{ 0x22, 0x00 }, /* 22 DAC mixer */
82 	{ 0x23, 0x00 }, /* 23 left ADC mixer */
83 	{ 0x24, 0x00 }, /* 24 right ADC mixer */
84 	{ 0x25, 0x00 }, /* 25 left HP mixer */
85 	{ 0x26, 0x00 }, /* 26 right HP mixer */
86 	{ 0x27, 0x00 }, /* 27 HP control */
87 	{ 0x28, 0x00 }, /* 28 left REC mixer */
88 	{ 0x29, 0x00 }, /* 29 right REC mixer */
89 	{ 0x2a, 0x00 }, /* 2A REC control */
90 	{ 0x2b, 0x00 }, /* 2B left SPK mixer */
91 	{ 0x2c, 0x00 }, /* 2C right SPK mixer */
92 	{ 0x2d, 0x00 }, /* 2D SPK control */
93 	{ 0x2e, 0x00 }, /* 2E sidetone */
94 	{ 0x2f, 0x00 }, /* 2F DAI1 playback level */
95 
96 	{ 0x30, 0x00 }, /* 30 DAI1 playback level */
97 	{ 0x31, 0x00 }, /* 31 DAI2 playback level */
98 	{ 0x32, 0x00 }, /* 32 DAI2 playbakc level */
99 	{ 0x33, 0x00 }, /* 33 left ADC level */
100 	{ 0x34, 0x00 }, /* 34 right ADC level */
101 	{ 0x35, 0x00 }, /* 35 MIC1 level */
102 	{ 0x36, 0x00 }, /* 36 MIC2 level */
103 	{ 0x37, 0x00 }, /* 37 INA level */
104 	{ 0x38, 0x00 }, /* 38 INB level */
105 	{ 0x39, 0x00 }, /* 39 left HP volume */
106 	{ 0x3a, 0x00 }, /* 3A right HP volume */
107 	{ 0x3b, 0x00 }, /* 3B left REC volume */
108 	{ 0x3c, 0x00 }, /* 3C right REC volume */
109 	{ 0x3d, 0x00 }, /* 3D left SPK volume */
110 	{ 0x3e, 0x00 }, /* 3E right SPK volume */
111 	{ 0x3f, 0x00 }, /* 3F MIC config */
112 
113 	{ 0x40, 0x00 }, /* 40 MIC threshold */
114 	{ 0x41, 0x00 }, /* 41 excursion limiter filter */
115 	{ 0x42, 0x00 }, /* 42 excursion limiter threshold */
116 	{ 0x43, 0x00 }, /* 43 ALC */
117 	{ 0x44, 0x00 }, /* 44 power limiter threshold */
118 	{ 0x45, 0x00 }, /* 45 power limiter config */
119 	{ 0x46, 0x00 }, /* 46 distortion limiter config */
120 	{ 0x47, 0x00 }, /* 47 audio input */
121         { 0x48, 0x00 }, /* 48 microphone */
122 	{ 0x49, 0x00 }, /* 49 level control */
123 	{ 0x4a, 0x00 }, /* 4A bypass switches */
124 	{ 0x4b, 0x00 }, /* 4B jack detect */
125 	{ 0x4c, 0x00 }, /* 4C input enable */
126 	{ 0x4d, 0x00 }, /* 4D output enable */
127 	{ 0x4e, 0xF0 }, /* 4E bias control */
128 	{ 0x4f, 0x00 }, /* 4F DAC power */
129 
130 	{ 0x50, 0x0F }, /* 50 DAC power */
131 	{ 0x51, 0x00 }, /* 51 system */
132 	{ 0x52, 0x00 }, /* 52 DAI1 EQ1 */
133 	{ 0x53, 0x00 }, /* 53 DAI1 EQ1 */
134 	{ 0x54, 0x00 }, /* 54 DAI1 EQ1 */
135 	{ 0x55, 0x00 }, /* 55 DAI1 EQ1 */
136 	{ 0x56, 0x00 }, /* 56 DAI1 EQ1 */
137 	{ 0x57, 0x00 }, /* 57 DAI1 EQ1 */
138 	{ 0x58, 0x00 }, /* 58 DAI1 EQ1 */
139 	{ 0x59, 0x00 }, /* 59 DAI1 EQ1 */
140 	{ 0x5a, 0x00 }, /* 5A DAI1 EQ1 */
141 	{ 0x5b, 0x00 }, /* 5B DAI1 EQ1 */
142 	{ 0x5c, 0x00 }, /* 5C DAI1 EQ2 */
143 	{ 0x5d, 0x00 }, /* 5D DAI1 EQ2 */
144 	{ 0x5e, 0x00 }, /* 5E DAI1 EQ2 */
145 	{ 0x5f, 0x00 }, /* 5F DAI1 EQ2 */
146 
147 	{ 0x60, 0x00 }, /* 60 DAI1 EQ2 */
148 	{ 0x61, 0x00 }, /* 61 DAI1 EQ2 */
149 	{ 0x62, 0x00 }, /* 62 DAI1 EQ2 */
150 	{ 0x63, 0x00 }, /* 63 DAI1 EQ2 */
151 	{ 0x64, 0x00 }, /* 64 DAI1 EQ2 */
152 	{ 0x65, 0x00 }, /* 65 DAI1 EQ2 */
153 	{ 0x66, 0x00 }, /* 66 DAI1 EQ3 */
154 	{ 0x67, 0x00 }, /* 67 DAI1 EQ3 */
155 	{ 0x68, 0x00 }, /* 68 DAI1 EQ3 */
156 	{ 0x69, 0x00 }, /* 69 DAI1 EQ3 */
157 	{ 0x6a, 0x00 }, /* 6A DAI1 EQ3 */
158 	{ 0x6b, 0x00 }, /* 6B DAI1 EQ3 */
159 	{ 0x6c, 0x00 }, /* 6C DAI1 EQ3 */
160 	{ 0x6d, 0x00 }, /* 6D DAI1 EQ3 */
161 	{ 0x6e, 0x00 }, /* 6E DAI1 EQ3 */
162 	{ 0x6f, 0x00 }, /* 6F DAI1 EQ3 */
163 
164 	{ 0x70, 0x00 }, /* 70 DAI1 EQ4 */
165 	{ 0x71, 0x00 }, /* 71 DAI1 EQ4 */
166 	{ 0x72, 0x00 }, /* 72 DAI1 EQ4 */
167 	{ 0x73, 0x00 }, /* 73 DAI1 EQ4 */
168 	{ 0x74, 0x00 }, /* 74 DAI1 EQ4 */
169 	{ 0x75, 0x00 }, /* 75 DAI1 EQ4 */
170 	{ 0x76, 0x00 }, /* 76 DAI1 EQ4 */
171 	{ 0x77, 0x00 }, /* 77 DAI1 EQ4 */
172 	{ 0x78, 0x00 }, /* 78 DAI1 EQ4 */
173 	{ 0x79, 0x00 }, /* 79 DAI1 EQ4 */
174 	{ 0x7a, 0x00 }, /* 7A DAI1 EQ5 */
175 	{ 0x7b, 0x00 }, /* 7B DAI1 EQ5 */
176 	{ 0x7c, 0x00 }, /* 7C DAI1 EQ5 */
177 	{ 0x7d, 0x00 }, /* 7D DAI1 EQ5 */
178 	{ 0x7e, 0x00 }, /* 7E DAI1 EQ5 */
179 	{ 0x7f, 0x00 }, /* 7F DAI1 EQ5 */
180 
181 	{ 0x80, 0x00 }, /* 80 DAI1 EQ5 */
182 	{ 0x81, 0x00 }, /* 81 DAI1 EQ5 */
183 	{ 0x82, 0x00 }, /* 82 DAI1 EQ5 */
184 	{ 0x83, 0x00 }, /* 83 DAI1 EQ5 */
185 	{ 0x84, 0x00 }, /* 84 DAI2 EQ1 */
186 	{ 0x85, 0x00 }, /* 85 DAI2 EQ1 */
187 	{ 0x86, 0x00 }, /* 86 DAI2 EQ1 */
188 	{ 0x87, 0x00 }, /* 87 DAI2 EQ1 */
189 	{ 0x88, 0x00 }, /* 88 DAI2 EQ1 */
190 	{ 0x89, 0x00 }, /* 89 DAI2 EQ1 */
191 	{ 0x8a, 0x00 }, /* 8A DAI2 EQ1 */
192 	{ 0x8b, 0x00 }, /* 8B DAI2 EQ1 */
193 	{ 0x8c, 0x00 }, /* 8C DAI2 EQ1 */
194 	{ 0x8d, 0x00 }, /* 8D DAI2 EQ1 */
195 	{ 0x8e, 0x00 }, /* 8E DAI2 EQ2 */
196 	{ 0x8f, 0x00 }, /* 8F DAI2 EQ2 */
197 
198 	{ 0x90, 0x00 }, /* 90 DAI2 EQ2 */
199 	{ 0x91, 0x00 }, /* 91 DAI2 EQ2 */
200 	{ 0x92, 0x00 }, /* 92 DAI2 EQ2 */
201 	{ 0x93, 0x00 }, /* 93 DAI2 EQ2 */
202 	{ 0x94, 0x00 }, /* 94 DAI2 EQ2 */
203 	{ 0x95, 0x00 }, /* 95 DAI2 EQ2 */
204 	{ 0x96, 0x00 }, /* 96 DAI2 EQ2 */
205 	{ 0x97, 0x00 }, /* 97 DAI2 EQ2 */
206 	{ 0x98, 0x00 }, /* 98 DAI2 EQ3 */
207 	{ 0x99, 0x00 }, /* 99 DAI2 EQ3 */
208 	{ 0x9a, 0x00 }, /* 9A DAI2 EQ3 */
209         { 0x9b, 0x00 }, /* 9B DAI2 EQ3 */
210 	{ 0x9c, 0x00 }, /* 9C DAI2 EQ3 */
211 	{ 0x9d, 0x00 }, /* 9D DAI2 EQ3 */
212 	{ 0x9e, 0x00 }, /* 9E DAI2 EQ3 */
213 	{ 0x9f, 0x00 }, /* 9F DAI2 EQ3 */
214 
215 	{ 0xa0, 0x00 }, /* A0 DAI2 EQ3 */
216 	{ 0xa1, 0x00 }, /* A1 DAI2 EQ3 */
217 	{ 0xa2, 0x00 }, /* A2 DAI2 EQ4 */
218 	{ 0xa3, 0x00 }, /* A3 DAI2 EQ4 */
219 	{ 0xa4, 0x00 }, /* A4 DAI2 EQ4 */
220 	{ 0xa5, 0x00 }, /* A5 DAI2 EQ4 */
221 	{ 0xa6, 0x00 }, /* A6 DAI2 EQ4 */
222 	{ 0xa7, 0x00 }, /* A7 DAI2 EQ4 */
223 	{ 0xa8, 0x00 }, /* A8 DAI2 EQ4 */
224 	{ 0xa9, 0x00 }, /* A9 DAI2 EQ4 */
225 	{ 0xaa, 0x00 }, /* AA DAI2 EQ4 */
226 	{ 0xab, 0x00 }, /* AB DAI2 EQ4 */
227 	{ 0xac, 0x00 }, /* AC DAI2 EQ5 */
228 	{ 0xad, 0x00 }, /* AD DAI2 EQ5 */
229 	{ 0xae, 0x00 }, /* AE DAI2 EQ5 */
230 	{ 0xaf, 0x00 }, /* AF DAI2 EQ5 */
231 
232 	{ 0xb0, 0x00 }, /* B0 DAI2 EQ5 */
233 	{ 0xb1, 0x00 }, /* B1 DAI2 EQ5 */
234 	{ 0xb2, 0x00 }, /* B2 DAI2 EQ5 */
235 	{ 0xb3, 0x00 }, /* B3 DAI2 EQ5 */
236 	{ 0xb4, 0x00 }, /* B4 DAI2 EQ5 */
237 	{ 0xb5, 0x00 }, /* B5 DAI2 EQ5 */
238 	{ 0xb6, 0x00 }, /* B6 DAI1 biquad */
239 	{ 0xb7, 0x00 }, /* B7 DAI1 biquad */
240 	{ 0xb8 ,0x00 }, /* B8 DAI1 biquad */
241 	{ 0xb9, 0x00 }, /* B9 DAI1 biquad */
242 	{ 0xba, 0x00 }, /* BA DAI1 biquad */
243 	{ 0xbb, 0x00 }, /* BB DAI1 biquad */
244 	{ 0xbc, 0x00 }, /* BC DAI1 biquad */
245 	{ 0xbd, 0x00 }, /* BD DAI1 biquad */
246 	{ 0xbe, 0x00 }, /* BE DAI1 biquad */
247         { 0xbf, 0x00 }, /* BF DAI1 biquad */
248 
249 	{ 0xc0, 0x00 }, /* C0 DAI2 biquad */
250 	{ 0xc1, 0x00 }, /* C1 DAI2 biquad */
251 	{ 0xc2, 0x00 }, /* C2 DAI2 biquad */
252 	{ 0xc3, 0x00 }, /* C3 DAI2 biquad */
253 	{ 0xc4, 0x00 }, /* C4 DAI2 biquad */
254 	{ 0xc5, 0x00 }, /* C5 DAI2 biquad */
255 	{ 0xc6, 0x00 }, /* C6 DAI2 biquad */
256 	{ 0xc7, 0x00 }, /* C7 DAI2 biquad */
257 	{ 0xc8, 0x00 }, /* C8 DAI2 biquad */
258 	{ 0xc9, 0x00 }, /* C9 DAI2 biquad */
259 };
260 
261 static struct {
262        int readable;
263        int writable;
264        int vol;
265 } max98088_access[M98088_REG_CNT] = {
266        { 0xFF, 0xFF, 1 }, /* 00 IRQ status */
267        { 0xFF, 0x00, 1 }, /* 01 MIC status */
268        { 0xFF, 0x00, 1 }, /* 02 jack status */
269        { 0x1F, 0x1F, 1 }, /* 03 battery voltage */
270        { 0xFF, 0xFF, 0 }, /* 04 */
271        { 0xFF, 0xFF, 0 }, /* 05 */
272        { 0xFF, 0xFF, 0 }, /* 06 */
273        { 0xFF, 0xFF, 0 }, /* 07 */
274        { 0xFF, 0xFF, 0 }, /* 08 */
275        { 0xFF, 0xFF, 0 }, /* 09 */
276        { 0xFF, 0xFF, 0 }, /* 0A */
277        { 0xFF, 0xFF, 0 }, /* 0B */
278        { 0xFF, 0xFF, 0 }, /* 0C */
279        { 0xFF, 0xFF, 0 }, /* 0D */
280        { 0xFF, 0xFF, 0 }, /* 0E */
281        { 0xFF, 0xFF, 0 }, /* 0F interrupt enable */
282 
283        { 0xFF, 0xFF, 0 }, /* 10 master clock */
284        { 0xFF, 0xFF, 0 }, /* 11 DAI1 clock mode */
285        { 0xFF, 0xFF, 0 }, /* 12 DAI1 clock control */
286        { 0xFF, 0xFF, 0 }, /* 13 DAI1 clock control */
287        { 0xFF, 0xFF, 0 }, /* 14 DAI1 format */
288        { 0xFF, 0xFF, 0 }, /* 15 DAI1 clock */
289        { 0xFF, 0xFF, 0 }, /* 16 DAI1 config */
290        { 0xFF, 0xFF, 0 }, /* 17 DAI1 TDM */
291        { 0xFF, 0xFF, 0 }, /* 18 DAI1 filters */
292        { 0xFF, 0xFF, 0 }, /* 19 DAI2 clock mode */
293        { 0xFF, 0xFF, 0 }, /* 1A DAI2 clock control */
294        { 0xFF, 0xFF, 0 }, /* 1B DAI2 clock control */
295        { 0xFF, 0xFF, 0 }, /* 1C DAI2 format */
296        { 0xFF, 0xFF, 0 }, /* 1D DAI2 clock */
297        { 0xFF, 0xFF, 0 }, /* 1E DAI2 config */
298        { 0xFF, 0xFF, 0 }, /* 1F DAI2 TDM */
299 
300        { 0xFF, 0xFF, 0 }, /* 20 DAI2 filters */
301        { 0xFF, 0xFF, 0 }, /* 21 data config */
302        { 0xFF, 0xFF, 0 }, /* 22 DAC mixer */
303        { 0xFF, 0xFF, 0 }, /* 23 left ADC mixer */
304        { 0xFF, 0xFF, 0 }, /* 24 right ADC mixer */
305        { 0xFF, 0xFF, 0 }, /* 25 left HP mixer */
306        { 0xFF, 0xFF, 0 }, /* 26 right HP mixer */
307        { 0xFF, 0xFF, 0 }, /* 27 HP control */
308        { 0xFF, 0xFF, 0 }, /* 28 left REC mixer */
309        { 0xFF, 0xFF, 0 }, /* 29 right REC mixer */
310        { 0xFF, 0xFF, 0 }, /* 2A REC control */
311        { 0xFF, 0xFF, 0 }, /* 2B left SPK mixer */
312        { 0xFF, 0xFF, 0 }, /* 2C right SPK mixer */
313        { 0xFF, 0xFF, 0 }, /* 2D SPK control */
314        { 0xFF, 0xFF, 0 }, /* 2E sidetone */
315        { 0xFF, 0xFF, 0 }, /* 2F DAI1 playback level */
316 
317        { 0xFF, 0xFF, 0 }, /* 30 DAI1 playback level */
318        { 0xFF, 0xFF, 0 }, /* 31 DAI2 playback level */
319        { 0xFF, 0xFF, 0 }, /* 32 DAI2 playbakc level */
320        { 0xFF, 0xFF, 0 }, /* 33 left ADC level */
321        { 0xFF, 0xFF, 0 }, /* 34 right ADC level */
322        { 0xFF, 0xFF, 0 }, /* 35 MIC1 level */
323        { 0xFF, 0xFF, 0 }, /* 36 MIC2 level */
324        { 0xFF, 0xFF, 0 }, /* 37 INA level */
325        { 0xFF, 0xFF, 0 }, /* 38 INB level */
326        { 0xFF, 0xFF, 0 }, /* 39 left HP volume */
327        { 0xFF, 0xFF, 0 }, /* 3A right HP volume */
328        { 0xFF, 0xFF, 0 }, /* 3B left REC volume */
329        { 0xFF, 0xFF, 0 }, /* 3C right REC volume */
330        { 0xFF, 0xFF, 0 }, /* 3D left SPK volume */
331        { 0xFF, 0xFF, 0 }, /* 3E right SPK volume */
332        { 0xFF, 0xFF, 0 }, /* 3F MIC config */
333 
334        { 0xFF, 0xFF, 0 }, /* 40 MIC threshold */
335        { 0xFF, 0xFF, 0 }, /* 41 excursion limiter filter */
336        { 0xFF, 0xFF, 0 }, /* 42 excursion limiter threshold */
337        { 0xFF, 0xFF, 0 }, /* 43 ALC */
338        { 0xFF, 0xFF, 0 }, /* 44 power limiter threshold */
339        { 0xFF, 0xFF, 0 }, /* 45 power limiter config */
340        { 0xFF, 0xFF, 0 }, /* 46 distortion limiter config */
341        { 0xFF, 0xFF, 0 }, /* 47 audio input */
342        { 0xFF, 0xFF, 0 }, /* 48 microphone */
343        { 0xFF, 0xFF, 0 }, /* 49 level control */
344        { 0xFF, 0xFF, 0 }, /* 4A bypass switches */
345        { 0xFF, 0xFF, 0 }, /* 4B jack detect */
346        { 0xFF, 0xFF, 0 }, /* 4C input enable */
347        { 0xFF, 0xFF, 0 }, /* 4D output enable */
348        { 0xFF, 0xFF, 0 }, /* 4E bias control */
349        { 0xFF, 0xFF, 0 }, /* 4F DAC power */
350 
351        { 0xFF, 0xFF, 0 }, /* 50 DAC power */
352        { 0xFF, 0xFF, 0 }, /* 51 system */
353        { 0xFF, 0xFF, 0 }, /* 52 DAI1 EQ1 */
354        { 0xFF, 0xFF, 0 }, /* 53 DAI1 EQ1 */
355        { 0xFF, 0xFF, 0 }, /* 54 DAI1 EQ1 */
356        { 0xFF, 0xFF, 0 }, /* 55 DAI1 EQ1 */
357        { 0xFF, 0xFF, 0 }, /* 56 DAI1 EQ1 */
358        { 0xFF, 0xFF, 0 }, /* 57 DAI1 EQ1 */
359        { 0xFF, 0xFF, 0 }, /* 58 DAI1 EQ1 */
360        { 0xFF, 0xFF, 0 }, /* 59 DAI1 EQ1 */
361        { 0xFF, 0xFF, 0 }, /* 5A DAI1 EQ1 */
362        { 0xFF, 0xFF, 0 }, /* 5B DAI1 EQ1 */
363        { 0xFF, 0xFF, 0 }, /* 5C DAI1 EQ2 */
364        { 0xFF, 0xFF, 0 }, /* 5D DAI1 EQ2 */
365        { 0xFF, 0xFF, 0 }, /* 5E DAI1 EQ2 */
366        { 0xFF, 0xFF, 0 }, /* 5F DAI1 EQ2 */
367 
368        { 0xFF, 0xFF, 0 }, /* 60 DAI1 EQ2 */
369        { 0xFF, 0xFF, 0 }, /* 61 DAI1 EQ2 */
370        { 0xFF, 0xFF, 0 }, /* 62 DAI1 EQ2 */
371        { 0xFF, 0xFF, 0 }, /* 63 DAI1 EQ2 */
372        { 0xFF, 0xFF, 0 }, /* 64 DAI1 EQ2 */
373        { 0xFF, 0xFF, 0 }, /* 65 DAI1 EQ2 */
374        { 0xFF, 0xFF, 0 }, /* 66 DAI1 EQ3 */
375        { 0xFF, 0xFF, 0 }, /* 67 DAI1 EQ3 */
376        { 0xFF, 0xFF, 0 }, /* 68 DAI1 EQ3 */
377        { 0xFF, 0xFF, 0 }, /* 69 DAI1 EQ3 */
378        { 0xFF, 0xFF, 0 }, /* 6A DAI1 EQ3 */
379        { 0xFF, 0xFF, 0 }, /* 6B DAI1 EQ3 */
380        { 0xFF, 0xFF, 0 }, /* 6C DAI1 EQ3 */
381        { 0xFF, 0xFF, 0 }, /* 6D DAI1 EQ3 */
382        { 0xFF, 0xFF, 0 }, /* 6E DAI1 EQ3 */
383        { 0xFF, 0xFF, 0 }, /* 6F DAI1 EQ3 */
384 
385        { 0xFF, 0xFF, 0 }, /* 70 DAI1 EQ4 */
386        { 0xFF, 0xFF, 0 }, /* 71 DAI1 EQ4 */
387        { 0xFF, 0xFF, 0 }, /* 72 DAI1 EQ4 */
388        { 0xFF, 0xFF, 0 }, /* 73 DAI1 EQ4 */
389        { 0xFF, 0xFF, 0 }, /* 74 DAI1 EQ4 */
390        { 0xFF, 0xFF, 0 }, /* 75 DAI1 EQ4 */
391        { 0xFF, 0xFF, 0 }, /* 76 DAI1 EQ4 */
392        { 0xFF, 0xFF, 0 }, /* 77 DAI1 EQ4 */
393        { 0xFF, 0xFF, 0 }, /* 78 DAI1 EQ4 */
394        { 0xFF, 0xFF, 0 }, /* 79 DAI1 EQ4 */
395        { 0xFF, 0xFF, 0 }, /* 7A DAI1 EQ5 */
396        { 0xFF, 0xFF, 0 }, /* 7B DAI1 EQ5 */
397        { 0xFF, 0xFF, 0 }, /* 7C DAI1 EQ5 */
398        { 0xFF, 0xFF, 0 }, /* 7D DAI1 EQ5 */
399        { 0xFF, 0xFF, 0 }, /* 7E DAI1 EQ5 */
400        { 0xFF, 0xFF, 0 }, /* 7F DAI1 EQ5 */
401 
402        { 0xFF, 0xFF, 0 }, /* 80 DAI1 EQ5 */
403        { 0xFF, 0xFF, 0 }, /* 81 DAI1 EQ5 */
404        { 0xFF, 0xFF, 0 }, /* 82 DAI1 EQ5 */
405        { 0xFF, 0xFF, 0 }, /* 83 DAI1 EQ5 */
406        { 0xFF, 0xFF, 0 }, /* 84 DAI2 EQ1 */
407        { 0xFF, 0xFF, 0 }, /* 85 DAI2 EQ1 */
408        { 0xFF, 0xFF, 0 }, /* 86 DAI2 EQ1 */
409        { 0xFF, 0xFF, 0 }, /* 87 DAI2 EQ1 */
410        { 0xFF, 0xFF, 0 }, /* 88 DAI2 EQ1 */
411        { 0xFF, 0xFF, 0 }, /* 89 DAI2 EQ1 */
412        { 0xFF, 0xFF, 0 }, /* 8A DAI2 EQ1 */
413        { 0xFF, 0xFF, 0 }, /* 8B DAI2 EQ1 */
414        { 0xFF, 0xFF, 0 }, /* 8C DAI2 EQ1 */
415        { 0xFF, 0xFF, 0 }, /* 8D DAI2 EQ1 */
416        { 0xFF, 0xFF, 0 }, /* 8E DAI2 EQ2 */
417        { 0xFF, 0xFF, 0 }, /* 8F DAI2 EQ2 */
418 
419        { 0xFF, 0xFF, 0 }, /* 90 DAI2 EQ2 */
420        { 0xFF, 0xFF, 0 }, /* 91 DAI2 EQ2 */
421        { 0xFF, 0xFF, 0 }, /* 92 DAI2 EQ2 */
422        { 0xFF, 0xFF, 0 }, /* 93 DAI2 EQ2 */
423        { 0xFF, 0xFF, 0 }, /* 94 DAI2 EQ2 */
424        { 0xFF, 0xFF, 0 }, /* 95 DAI2 EQ2 */
425        { 0xFF, 0xFF, 0 }, /* 96 DAI2 EQ2 */
426        { 0xFF, 0xFF, 0 }, /* 97 DAI2 EQ2 */
427        { 0xFF, 0xFF, 0 }, /* 98 DAI2 EQ3 */
428        { 0xFF, 0xFF, 0 }, /* 99 DAI2 EQ3 */
429        { 0xFF, 0xFF, 0 }, /* 9A DAI2 EQ3 */
430        { 0xFF, 0xFF, 0 }, /* 9B DAI2 EQ3 */
431        { 0xFF, 0xFF, 0 }, /* 9C DAI2 EQ3 */
432        { 0xFF, 0xFF, 0 }, /* 9D DAI2 EQ3 */
433        { 0xFF, 0xFF, 0 }, /* 9E DAI2 EQ3 */
434        { 0xFF, 0xFF, 0 }, /* 9F DAI2 EQ3 */
435 
436        { 0xFF, 0xFF, 0 }, /* A0 DAI2 EQ3 */
437        { 0xFF, 0xFF, 0 }, /* A1 DAI2 EQ3 */
438        { 0xFF, 0xFF, 0 }, /* A2 DAI2 EQ4 */
439        { 0xFF, 0xFF, 0 }, /* A3 DAI2 EQ4 */
440        { 0xFF, 0xFF, 0 }, /* A4 DAI2 EQ4 */
441        { 0xFF, 0xFF, 0 }, /* A5 DAI2 EQ4 */
442        { 0xFF, 0xFF, 0 }, /* A6 DAI2 EQ4 */
443        { 0xFF, 0xFF, 0 }, /* A7 DAI2 EQ4 */
444        { 0xFF, 0xFF, 0 }, /* A8 DAI2 EQ4 */
445        { 0xFF, 0xFF, 0 }, /* A9 DAI2 EQ4 */
446        { 0xFF, 0xFF, 0 }, /* AA DAI2 EQ4 */
447        { 0xFF, 0xFF, 0 }, /* AB DAI2 EQ4 */
448        { 0xFF, 0xFF, 0 }, /* AC DAI2 EQ5 */
449        { 0xFF, 0xFF, 0 }, /* AD DAI2 EQ5 */
450        { 0xFF, 0xFF, 0 }, /* AE DAI2 EQ5 */
451        { 0xFF, 0xFF, 0 }, /* AF DAI2 EQ5 */
452 
453        { 0xFF, 0xFF, 0 }, /* B0 DAI2 EQ5 */
454        { 0xFF, 0xFF, 0 }, /* B1 DAI2 EQ5 */
455        { 0xFF, 0xFF, 0 }, /* B2 DAI2 EQ5 */
456        { 0xFF, 0xFF, 0 }, /* B3 DAI2 EQ5 */
457        { 0xFF, 0xFF, 0 }, /* B4 DAI2 EQ5 */
458        { 0xFF, 0xFF, 0 }, /* B5 DAI2 EQ5 */
459        { 0xFF, 0xFF, 0 }, /* B6 DAI1 biquad */
460        { 0xFF, 0xFF, 0 }, /* B7 DAI1 biquad */
461        { 0xFF, 0xFF, 0 }, /* B8 DAI1 biquad */
462        { 0xFF, 0xFF, 0 }, /* B9 DAI1 biquad */
463        { 0xFF, 0xFF, 0 }, /* BA DAI1 biquad */
464        { 0xFF, 0xFF, 0 }, /* BB DAI1 biquad */
465        { 0xFF, 0xFF, 0 }, /* BC DAI1 biquad */
466        { 0xFF, 0xFF, 0 }, /* BD DAI1 biquad */
467        { 0xFF, 0xFF, 0 }, /* BE DAI1 biquad */
468        { 0xFF, 0xFF, 0 }, /* BF DAI1 biquad */
469 
470        { 0xFF, 0xFF, 0 }, /* C0 DAI2 biquad */
471        { 0xFF, 0xFF, 0 }, /* C1 DAI2 biquad */
472        { 0xFF, 0xFF, 0 }, /* C2 DAI2 biquad */
473        { 0xFF, 0xFF, 0 }, /* C3 DAI2 biquad */
474        { 0xFF, 0xFF, 0 }, /* C4 DAI2 biquad */
475        { 0xFF, 0xFF, 0 }, /* C5 DAI2 biquad */
476        { 0xFF, 0xFF, 0 }, /* C6 DAI2 biquad */
477        { 0xFF, 0xFF, 0 }, /* C7 DAI2 biquad */
478        { 0xFF, 0xFF, 0 }, /* C8 DAI2 biquad */
479        { 0xFF, 0xFF, 0 }, /* C9 DAI2 biquad */
480        { 0x00, 0x00, 0 }, /* CA */
481        { 0x00, 0x00, 0 }, /* CB */
482        { 0x00, 0x00, 0 }, /* CC */
483        { 0x00, 0x00, 0 }, /* CD */
484        { 0x00, 0x00, 0 }, /* CE */
485        { 0x00, 0x00, 0 }, /* CF */
486 
487        { 0x00, 0x00, 0 }, /* D0 */
488        { 0x00, 0x00, 0 }, /* D1 */
489        { 0x00, 0x00, 0 }, /* D2 */
490        { 0x00, 0x00, 0 }, /* D3 */
491        { 0x00, 0x00, 0 }, /* D4 */
492        { 0x00, 0x00, 0 }, /* D5 */
493        { 0x00, 0x00, 0 }, /* D6 */
494        { 0x00, 0x00, 0 }, /* D7 */
495        { 0x00, 0x00, 0 }, /* D8 */
496        { 0x00, 0x00, 0 }, /* D9 */
497        { 0x00, 0x00, 0 }, /* DA */
498        { 0x00, 0x00, 0 }, /* DB */
499        { 0x00, 0x00, 0 }, /* DC */
500        { 0x00, 0x00, 0 }, /* DD */
501        { 0x00, 0x00, 0 }, /* DE */
502        { 0x00, 0x00, 0 }, /* DF */
503 
504        { 0x00, 0x00, 0 }, /* E0 */
505        { 0x00, 0x00, 0 }, /* E1 */
506        { 0x00, 0x00, 0 }, /* E2 */
507        { 0x00, 0x00, 0 }, /* E3 */
508        { 0x00, 0x00, 0 }, /* E4 */
509        { 0x00, 0x00, 0 }, /* E5 */
510        { 0x00, 0x00, 0 }, /* E6 */
511        { 0x00, 0x00, 0 }, /* E7 */
512        { 0x00, 0x00, 0 }, /* E8 */
513        { 0x00, 0x00, 0 }, /* E9 */
514        { 0x00, 0x00, 0 }, /* EA */
515        { 0x00, 0x00, 0 }, /* EB */
516        { 0x00, 0x00, 0 }, /* EC */
517        { 0x00, 0x00, 0 }, /* ED */
518        { 0x00, 0x00, 0 }, /* EE */
519        { 0x00, 0x00, 0 }, /* EF */
520 
521        { 0x00, 0x00, 0 }, /* F0 */
522        { 0x00, 0x00, 0 }, /* F1 */
523        { 0x00, 0x00, 0 }, /* F2 */
524        { 0x00, 0x00, 0 }, /* F3 */
525        { 0x00, 0x00, 0 }, /* F4 */
526        { 0x00, 0x00, 0 }, /* F5 */
527        { 0x00, 0x00, 0 }, /* F6 */
528        { 0x00, 0x00, 0 }, /* F7 */
529        { 0x00, 0x00, 0 }, /* F8 */
530        { 0x00, 0x00, 0 }, /* F9 */
531        { 0x00, 0x00, 0 }, /* FA */
532        { 0x00, 0x00, 0 }, /* FB */
533        { 0x00, 0x00, 0 }, /* FC */
534        { 0x00, 0x00, 0 }, /* FD */
535        { 0x00, 0x00, 0 }, /* FE */
536        { 0xFF, 0x00, 1 }, /* FF */
537 };
538 
539 static bool max98088_readable_register(struct device *dev, unsigned int reg)
540 {
541        return max98088_access[reg].readable;
542 }
543 
544 static bool max98088_volatile_register(struct device *dev, unsigned int reg)
545 {
546        return max98088_access[reg].vol;
547 }
548 
549 static const struct regmap_config max98088_regmap = {
550 	.reg_bits = 8,
551 	.val_bits = 8,
552 
553 	.readable_reg = max98088_readable_register,
554 	.volatile_reg = max98088_volatile_register,
555 	.max_register = 0xff,
556 
557 	.reg_defaults = max98088_reg,
558 	.num_reg_defaults = ARRAY_SIZE(max98088_reg),
559 	.cache_type = REGCACHE_RBTREE,
560 };
561 
562 /*
563  * Load equalizer DSP coefficient configurations registers
564  */
565 static void m98088_eq_band(struct snd_soc_codec *codec, unsigned int dai,
566                    unsigned int band, u16 *coefs)
567 {
568        unsigned int eq_reg;
569        unsigned int i;
570 
571 	if (WARN_ON(band > 4) ||
572 	    WARN_ON(dai > 1))
573 		return;
574 
575        /* Load the base register address */
576        eq_reg = dai ? M98088_REG_84_DAI2_EQ_BASE : M98088_REG_52_DAI1_EQ_BASE;
577 
578        /* Add the band address offset, note adjustment for word address */
579        eq_reg += band * (M98088_COEFS_PER_BAND << 1);
580 
581        /* Step through the registers and coefs */
582        for (i = 0; i < M98088_COEFS_PER_BAND; i++) {
583                snd_soc_write(codec, eq_reg++, M98088_BYTE1(coefs[i]));
584                snd_soc_write(codec, eq_reg++, M98088_BYTE0(coefs[i]));
585        }
586 }
587 
588 /*
589  * Excursion limiter modes
590  */
591 static const char *max98088_exmode_texts[] = {
592        "Off", "100Hz", "400Hz", "600Hz", "800Hz", "1000Hz", "200-400Hz",
593        "400-600Hz", "400-800Hz",
594 };
595 
596 static const unsigned int max98088_exmode_values[] = {
597        0x00, 0x43, 0x10, 0x20, 0x30, 0x40, 0x11, 0x22, 0x32
598 };
599 
600 static SOC_VALUE_ENUM_SINGLE_DECL(max98088_exmode_enum,
601 				  M98088_REG_41_SPKDHP, 0, 127,
602 				  max98088_exmode_texts,
603 				  max98088_exmode_values);
604 
605 static const char *max98088_ex_thresh[] = { /* volts PP */
606        "0.6", "1.2", "1.8", "2.4", "3.0", "3.6", "4.2", "4.8"};
607 static SOC_ENUM_SINGLE_DECL(max98088_ex_thresh_enum,
608 			    M98088_REG_42_SPKDHP_THRESH, 0,
609 			    max98088_ex_thresh);
610 
611 static const char *max98088_fltr_mode[] = {"Voice", "Music" };
612 static SOC_ENUM_SINGLE_DECL(max98088_filter_mode_enum,
613 			    M98088_REG_18_DAI1_FILTERS, 7,
614 			    max98088_fltr_mode);
615 
616 static const char *max98088_extmic_text[] = { "None", "MIC1", "MIC2" };
617 
618 static SOC_ENUM_SINGLE_DECL(max98088_extmic_enum,
619 			    M98088_REG_48_CFG_MIC, 0,
620 			    max98088_extmic_text);
621 
622 static const struct snd_kcontrol_new max98088_extmic_mux =
623        SOC_DAPM_ENUM("External MIC Mux", max98088_extmic_enum);
624 
625 static const char *max98088_dai1_fltr[] = {
626        "Off", "fc=258/fs=16k", "fc=500/fs=16k",
627        "fc=258/fs=8k", "fc=500/fs=8k", "fc=200"};
628 static SOC_ENUM_SINGLE_DECL(max98088_dai1_dac_filter_enum,
629 			    M98088_REG_18_DAI1_FILTERS, 0,
630 			    max98088_dai1_fltr);
631 static SOC_ENUM_SINGLE_DECL(max98088_dai1_adc_filter_enum,
632 			    M98088_REG_18_DAI1_FILTERS, 4,
633 			    max98088_dai1_fltr);
634 
635 static int max98088_mic1pre_set(struct snd_kcontrol *kcontrol,
636                                struct snd_ctl_elem_value *ucontrol)
637 {
638        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
639        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
640        unsigned int sel = ucontrol->value.integer.value[0];
641 
642        max98088->mic1pre = sel;
643        snd_soc_update_bits(codec, M98088_REG_35_LVL_MIC1, M98088_MICPRE_MASK,
644                (1+sel)<<M98088_MICPRE_SHIFT);
645 
646        return 0;
647 }
648 
649 static int max98088_mic1pre_get(struct snd_kcontrol *kcontrol,
650                                struct snd_ctl_elem_value *ucontrol)
651 {
652        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
653        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
654 
655        ucontrol->value.integer.value[0] = max98088->mic1pre;
656        return 0;
657 }
658 
659 static int max98088_mic2pre_set(struct snd_kcontrol *kcontrol,
660                                struct snd_ctl_elem_value *ucontrol)
661 {
662        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
663        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
664        unsigned int sel = ucontrol->value.integer.value[0];
665 
666        max98088->mic2pre = sel;
667        snd_soc_update_bits(codec, M98088_REG_36_LVL_MIC2, M98088_MICPRE_MASK,
668                (1+sel)<<M98088_MICPRE_SHIFT);
669 
670        return 0;
671 }
672 
673 static int max98088_mic2pre_get(struct snd_kcontrol *kcontrol,
674                                struct snd_ctl_elem_value *ucontrol)
675 {
676        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
677        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
678 
679        ucontrol->value.integer.value[0] = max98088->mic2pre;
680        return 0;
681 }
682 
683 static const unsigned int max98088_micboost_tlv[] = {
684        TLV_DB_RANGE_HEAD(2),
685        0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
686        2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
687 };
688 
689 static const unsigned int max98088_hp_tlv[] = {
690 	TLV_DB_RANGE_HEAD(5),
691 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
692 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
693 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
694 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
695 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0),
696 };
697 
698 static const unsigned int max98088_spk_tlv[] = {
699 	TLV_DB_RANGE_HEAD(5),
700 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
701 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
702 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
703 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
704 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0),
705 };
706 
707 static const struct snd_kcontrol_new max98088_snd_controls[] = {
708 
709 	SOC_DOUBLE_R_TLV("Headphone Volume", M98088_REG_39_LVL_HP_L,
710 			 M98088_REG_3A_LVL_HP_R, 0, 31, 0, max98088_hp_tlv),
711 	SOC_DOUBLE_R_TLV("Speaker Volume", M98088_REG_3D_LVL_SPK_L,
712 			 M98088_REG_3E_LVL_SPK_R, 0, 31, 0, max98088_spk_tlv),
713 	SOC_DOUBLE_R_TLV("Receiver Volume", M98088_REG_3B_LVL_REC_L,
714 			 M98088_REG_3C_LVL_REC_R, 0, 31, 0, max98088_spk_tlv),
715 
716        SOC_DOUBLE_R("Headphone Switch", M98088_REG_39_LVL_HP_L,
717                M98088_REG_3A_LVL_HP_R, 7, 1, 1),
718        SOC_DOUBLE_R("Speaker Switch", M98088_REG_3D_LVL_SPK_L,
719                M98088_REG_3E_LVL_SPK_R, 7, 1, 1),
720        SOC_DOUBLE_R("Receiver Switch", M98088_REG_3B_LVL_REC_L,
721                M98088_REG_3C_LVL_REC_R, 7, 1, 1),
722 
723        SOC_SINGLE("MIC1 Volume", M98088_REG_35_LVL_MIC1, 0, 31, 1),
724        SOC_SINGLE("MIC2 Volume", M98088_REG_36_LVL_MIC2, 0, 31, 1),
725 
726        SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
727                        M98088_REG_35_LVL_MIC1, 5, 2, 0,
728                        max98088_mic1pre_get, max98088_mic1pre_set,
729                        max98088_micboost_tlv),
730        SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
731                        M98088_REG_36_LVL_MIC2, 5, 2, 0,
732                        max98088_mic2pre_get, max98088_mic2pre_set,
733                        max98088_micboost_tlv),
734 
735        SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1),
736        SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1),
737 
738        SOC_SINGLE("ADCL Volume", M98088_REG_33_LVL_ADC_L, 0, 15, 0),
739        SOC_SINGLE("ADCR Volume", M98088_REG_34_LVL_ADC_R, 0, 15, 0),
740 
741        SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0),
742        SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0),
743 
744        SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0),
745        SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0),
746 
747        SOC_ENUM("EX Limiter Mode", max98088_exmode_enum),
748        SOC_ENUM("EX Limiter Threshold", max98088_ex_thresh_enum),
749 
750        SOC_ENUM("DAI1 Filter Mode", max98088_filter_mode_enum),
751        SOC_ENUM("DAI1 DAC Filter", max98088_dai1_dac_filter_enum),
752        SOC_ENUM("DAI1 ADC Filter", max98088_dai1_adc_filter_enum),
753        SOC_SINGLE("DAI2 DC Block Switch", M98088_REG_20_DAI2_FILTERS,
754                0, 1, 0),
755 
756        SOC_SINGLE("ALC Switch", M98088_REG_43_SPKALC_COMP, 7, 1, 0),
757        SOC_SINGLE("ALC Threshold", M98088_REG_43_SPKALC_COMP, 0, 7, 0),
758        SOC_SINGLE("ALC Multiband", M98088_REG_43_SPKALC_COMP, 3, 1, 0),
759        SOC_SINGLE("ALC Release Time", M98088_REG_43_SPKALC_COMP, 4, 7, 0),
760 
761        SOC_SINGLE("PWR Limiter Threshold", M98088_REG_44_PWRLMT_CFG,
762                4, 15, 0),
763        SOC_SINGLE("PWR Limiter Weight", M98088_REG_44_PWRLMT_CFG, 0, 7, 0),
764        SOC_SINGLE("PWR Limiter Time1", M98088_REG_45_PWRLMT_TIME, 0, 15, 0),
765        SOC_SINGLE("PWR Limiter Time2", M98088_REG_45_PWRLMT_TIME, 4, 15, 0),
766 
767        SOC_SINGLE("THD Limiter Threshold", M98088_REG_46_THDLMT_CFG, 4, 15, 0),
768        SOC_SINGLE("THD Limiter Time", M98088_REG_46_THDLMT_CFG, 0, 7, 0),
769 };
770 
771 /* Left speaker mixer switch */
772 static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = {
773        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
774        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
775        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
776        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
777        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 5, 1, 0),
778        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 6, 1, 0),
779        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 1, 1, 0),
780        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 2, 1, 0),
781        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 3, 1, 0),
782        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 4, 1, 0),
783 };
784 
785 /* Right speaker mixer switch */
786 static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = {
787        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
788        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
789        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
790        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
791        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 5, 1, 0),
792        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 6, 1, 0),
793        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 1, 1, 0),
794        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 2, 1, 0),
795        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 3, 1, 0),
796        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 4, 1, 0),
797 };
798 
799 /* Left headphone mixer switch */
800 static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = {
801        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
802        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
803        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
804        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
805        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_25_MIX_HP_LEFT, 5, 1, 0),
806        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_25_MIX_HP_LEFT, 6, 1, 0),
807        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_25_MIX_HP_LEFT, 1, 1, 0),
808        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_25_MIX_HP_LEFT, 2, 1, 0),
809        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_25_MIX_HP_LEFT, 3, 1, 0),
810        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_25_MIX_HP_LEFT, 4, 1, 0),
811 };
812 
813 /* Right headphone mixer switch */
814 static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = {
815        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
816        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
817        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
818        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
819        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 5, 1, 0),
820        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 6, 1, 0),
821        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_26_MIX_HP_RIGHT, 1, 1, 0),
822        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_26_MIX_HP_RIGHT, 2, 1, 0),
823        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_26_MIX_HP_RIGHT, 3, 1, 0),
824        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_26_MIX_HP_RIGHT, 4, 1, 0),
825 };
826 
827 /* Left earpiece/receiver mixer switch */
828 static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = {
829        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
830        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
831        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
832        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
833        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_28_MIX_REC_LEFT, 5, 1, 0),
834        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_28_MIX_REC_LEFT, 6, 1, 0),
835        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_28_MIX_REC_LEFT, 1, 1, 0),
836        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_28_MIX_REC_LEFT, 2, 1, 0),
837        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_28_MIX_REC_LEFT, 3, 1, 0),
838        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_28_MIX_REC_LEFT, 4, 1, 0),
839 };
840 
841 /* Right earpiece/receiver mixer switch */
842 static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = {
843        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
844        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
845        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
846        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
847        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 5, 1, 0),
848        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 6, 1, 0),
849        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_29_MIX_REC_RIGHT, 1, 1, 0),
850        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_29_MIX_REC_RIGHT, 2, 1, 0),
851        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_29_MIX_REC_RIGHT, 3, 1, 0),
852        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_29_MIX_REC_RIGHT, 4, 1, 0),
853 };
854 
855 /* Left ADC mixer switch */
856 static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = {
857        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_23_MIX_ADC_LEFT, 7, 1, 0),
858        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_23_MIX_ADC_LEFT, 6, 1, 0),
859        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_23_MIX_ADC_LEFT, 3, 1, 0),
860        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_23_MIX_ADC_LEFT, 2, 1, 0),
861        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_23_MIX_ADC_LEFT, 1, 1, 0),
862        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_23_MIX_ADC_LEFT, 0, 1, 0),
863 };
864 
865 /* Right ADC mixer switch */
866 static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = {
867        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 7, 1, 0),
868        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 6, 1, 0),
869        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 3, 1, 0),
870        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 2, 1, 0),
871        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 1, 1, 0),
872        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 0, 1, 0),
873 };
874 
875 static int max98088_mic_event(struct snd_soc_dapm_widget *w,
876                             struct snd_kcontrol *kcontrol, int event)
877 {
878        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
879        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
880 
881        switch (event) {
882        case SND_SOC_DAPM_POST_PMU:
883                if (w->reg == M98088_REG_35_LVL_MIC1) {
884                        snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK,
885                                (1+max98088->mic1pre)<<M98088_MICPRE_SHIFT);
886                } else {
887                        snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK,
888                                (1+max98088->mic2pre)<<M98088_MICPRE_SHIFT);
889                }
890                break;
891        case SND_SOC_DAPM_POST_PMD:
892                snd_soc_update_bits(codec, w->reg, M98088_MICPRE_MASK, 0);
893                break;
894        default:
895                return -EINVAL;
896        }
897 
898        return 0;
899 }
900 
901 /*
902  * The line inputs are 2-channel stereo inputs with the left
903  * and right channels sharing a common PGA power control signal.
904  */
905 static int max98088_line_pga(struct snd_soc_dapm_widget *w,
906                             int event, int line, u8 channel)
907 {
908        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
909        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
910        u8 *state;
911 
912 	if (WARN_ON(!(channel == 1 || channel == 2)))
913 		return -EINVAL;
914 
915        switch (line) {
916        case LINE_INA:
917                state = &max98088->ina_state;
918                break;
919        case LINE_INB:
920                state = &max98088->inb_state;
921                break;
922        default:
923                return -EINVAL;
924        }
925 
926        switch (event) {
927        case SND_SOC_DAPM_POST_PMU:
928                *state |= channel;
929                snd_soc_update_bits(codec, w->reg,
930                        (1 << w->shift), (1 << w->shift));
931                break;
932        case SND_SOC_DAPM_POST_PMD:
933                *state &= ~channel;
934                if (*state == 0) {
935                        snd_soc_update_bits(codec, w->reg,
936                                (1 << w->shift), 0);
937                }
938                break;
939        default:
940                return -EINVAL;
941        }
942 
943        return 0;
944 }
945 
946 static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w,
947                                   struct snd_kcontrol *k, int event)
948 {
949        return max98088_line_pga(w, event, LINE_INA, 1);
950 }
951 
952 static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w,
953                                   struct snd_kcontrol *k, int event)
954 {
955        return max98088_line_pga(w, event, LINE_INA, 2);
956 }
957 
958 static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w,
959                                   struct snd_kcontrol *k, int event)
960 {
961        return max98088_line_pga(w, event, LINE_INB, 1);
962 }
963 
964 static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w,
965                                   struct snd_kcontrol *k, int event)
966 {
967        return max98088_line_pga(w, event, LINE_INB, 2);
968 }
969 
970 static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = {
971 
972        SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 1, 0),
973        SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 0, 0),
974 
975        SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
976                M98088_REG_4D_PWR_EN_OUT, 1, 0),
977        SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
978                M98088_REG_4D_PWR_EN_OUT, 0, 0),
979        SND_SOC_DAPM_DAC("DACL2", "Aux Playback",
980                M98088_REG_4D_PWR_EN_OUT, 1, 0),
981        SND_SOC_DAPM_DAC("DACR2", "Aux Playback",
982                M98088_REG_4D_PWR_EN_OUT, 0, 0),
983 
984        SND_SOC_DAPM_PGA("HP Left Out", M98088_REG_4D_PWR_EN_OUT,
985                7, 0, NULL, 0),
986        SND_SOC_DAPM_PGA("HP Right Out", M98088_REG_4D_PWR_EN_OUT,
987                6, 0, NULL, 0),
988 
989        SND_SOC_DAPM_PGA("SPK Left Out", M98088_REG_4D_PWR_EN_OUT,
990                5, 0, NULL, 0),
991        SND_SOC_DAPM_PGA("SPK Right Out", M98088_REG_4D_PWR_EN_OUT,
992                4, 0, NULL, 0),
993 
994        SND_SOC_DAPM_PGA("REC Left Out", M98088_REG_4D_PWR_EN_OUT,
995                3, 0, NULL, 0),
996        SND_SOC_DAPM_PGA("REC Right Out", M98088_REG_4D_PWR_EN_OUT,
997                2, 0, NULL, 0),
998 
999        SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
1000                &max98088_extmic_mux),
1001 
1002        SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0,
1003                &max98088_left_hp_mixer_controls[0],
1004                ARRAY_SIZE(max98088_left_hp_mixer_controls)),
1005 
1006        SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0,
1007                &max98088_right_hp_mixer_controls[0],
1008                ARRAY_SIZE(max98088_right_hp_mixer_controls)),
1009 
1010        SND_SOC_DAPM_MIXER("Left SPK Mixer", SND_SOC_NOPM, 0, 0,
1011                &max98088_left_speaker_mixer_controls[0],
1012                ARRAY_SIZE(max98088_left_speaker_mixer_controls)),
1013 
1014        SND_SOC_DAPM_MIXER("Right SPK Mixer", SND_SOC_NOPM, 0, 0,
1015                &max98088_right_speaker_mixer_controls[0],
1016                ARRAY_SIZE(max98088_right_speaker_mixer_controls)),
1017 
1018        SND_SOC_DAPM_MIXER("Left REC Mixer", SND_SOC_NOPM, 0, 0,
1019          &max98088_left_rec_mixer_controls[0],
1020                ARRAY_SIZE(max98088_left_rec_mixer_controls)),
1021 
1022        SND_SOC_DAPM_MIXER("Right REC Mixer", SND_SOC_NOPM, 0, 0,
1023          &max98088_right_rec_mixer_controls[0],
1024                ARRAY_SIZE(max98088_right_rec_mixer_controls)),
1025 
1026        SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1027                &max98088_left_ADC_mixer_controls[0],
1028                ARRAY_SIZE(max98088_left_ADC_mixer_controls)),
1029 
1030        SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1031                &max98088_right_ADC_mixer_controls[0],
1032                ARRAY_SIZE(max98088_right_ADC_mixer_controls)),
1033 
1034        SND_SOC_DAPM_PGA_E("MIC1 Input", M98088_REG_35_LVL_MIC1,
1035                5, 0, NULL, 0, max98088_mic_event,
1036                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1037 
1038        SND_SOC_DAPM_PGA_E("MIC2 Input", M98088_REG_36_LVL_MIC2,
1039                5, 0, NULL, 0, max98088_mic_event,
1040                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1041 
1042        SND_SOC_DAPM_PGA_E("INA1 Input", M98088_REG_4C_PWR_EN_IN,
1043                7, 0, NULL, 0, max98088_pga_ina1_event,
1044                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1045 
1046        SND_SOC_DAPM_PGA_E("INA2 Input", M98088_REG_4C_PWR_EN_IN,
1047                7, 0, NULL, 0, max98088_pga_ina2_event,
1048                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1049 
1050        SND_SOC_DAPM_PGA_E("INB1 Input", M98088_REG_4C_PWR_EN_IN,
1051                6, 0, NULL, 0, max98088_pga_inb1_event,
1052                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1053 
1054        SND_SOC_DAPM_PGA_E("INB2 Input", M98088_REG_4C_PWR_EN_IN,
1055                6, 0, NULL, 0, max98088_pga_inb2_event,
1056                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1057 
1058        SND_SOC_DAPM_MICBIAS("MICBIAS", M98088_REG_4C_PWR_EN_IN, 3, 0),
1059 
1060        SND_SOC_DAPM_OUTPUT("HPL"),
1061        SND_SOC_DAPM_OUTPUT("HPR"),
1062        SND_SOC_DAPM_OUTPUT("SPKL"),
1063        SND_SOC_DAPM_OUTPUT("SPKR"),
1064        SND_SOC_DAPM_OUTPUT("RECL"),
1065        SND_SOC_DAPM_OUTPUT("RECR"),
1066 
1067        SND_SOC_DAPM_INPUT("MIC1"),
1068        SND_SOC_DAPM_INPUT("MIC2"),
1069        SND_SOC_DAPM_INPUT("INA1"),
1070        SND_SOC_DAPM_INPUT("INA2"),
1071        SND_SOC_DAPM_INPUT("INB1"),
1072        SND_SOC_DAPM_INPUT("INB2"),
1073 };
1074 
1075 static const struct snd_soc_dapm_route max98088_audio_map[] = {
1076        /* Left headphone output mixer */
1077        {"Left HP Mixer", "Left DAC1 Switch", "DACL1"},
1078        {"Left HP Mixer", "Left DAC2 Switch", "DACL2"},
1079        {"Left HP Mixer", "Right DAC1 Switch", "DACR1"},
1080        {"Left HP Mixer", "Right DAC2 Switch", "DACR2"},
1081        {"Left HP Mixer", "MIC1 Switch", "MIC1 Input"},
1082        {"Left HP Mixer", "MIC2 Switch", "MIC2 Input"},
1083        {"Left HP Mixer", "INA1 Switch", "INA1 Input"},
1084        {"Left HP Mixer", "INA2 Switch", "INA2 Input"},
1085        {"Left HP Mixer", "INB1 Switch", "INB1 Input"},
1086        {"Left HP Mixer", "INB2 Switch", "INB2 Input"},
1087 
1088        /* Right headphone output mixer */
1089        {"Right HP Mixer", "Left DAC1 Switch", "DACL1"},
1090        {"Right HP Mixer", "Left DAC2 Switch", "DACL2"  },
1091        {"Right HP Mixer", "Right DAC1 Switch", "DACR1"},
1092        {"Right HP Mixer", "Right DAC2 Switch", "DACR2"},
1093        {"Right HP Mixer", "MIC1 Switch", "MIC1 Input"},
1094        {"Right HP Mixer", "MIC2 Switch", "MIC2 Input"},
1095        {"Right HP Mixer", "INA1 Switch", "INA1 Input"},
1096        {"Right HP Mixer", "INA2 Switch", "INA2 Input"},
1097        {"Right HP Mixer", "INB1 Switch", "INB1 Input"},
1098        {"Right HP Mixer", "INB2 Switch", "INB2 Input"},
1099 
1100        /* Left speaker output mixer */
1101        {"Left SPK Mixer", "Left DAC1 Switch", "DACL1"},
1102        {"Left SPK Mixer", "Left DAC2 Switch", "DACL2"},
1103        {"Left SPK Mixer", "Right DAC1 Switch", "DACR1"},
1104        {"Left SPK Mixer", "Right DAC2 Switch", "DACR2"},
1105        {"Left SPK Mixer", "MIC1 Switch", "MIC1 Input"},
1106        {"Left SPK Mixer", "MIC2 Switch", "MIC2 Input"},
1107        {"Left SPK Mixer", "INA1 Switch", "INA1 Input"},
1108        {"Left SPK Mixer", "INA2 Switch", "INA2 Input"},
1109        {"Left SPK Mixer", "INB1 Switch", "INB1 Input"},
1110        {"Left SPK Mixer", "INB2 Switch", "INB2 Input"},
1111 
1112        /* Right speaker output mixer */
1113        {"Right SPK Mixer", "Left DAC1 Switch", "DACL1"},
1114        {"Right SPK Mixer", "Left DAC2 Switch", "DACL2"},
1115        {"Right SPK Mixer", "Right DAC1 Switch", "DACR1"},
1116        {"Right SPK Mixer", "Right DAC2 Switch", "DACR2"},
1117        {"Right SPK Mixer", "MIC1 Switch", "MIC1 Input"},
1118        {"Right SPK Mixer", "MIC2 Switch", "MIC2 Input"},
1119        {"Right SPK Mixer", "INA1 Switch", "INA1 Input"},
1120        {"Right SPK Mixer", "INA2 Switch", "INA2 Input"},
1121        {"Right SPK Mixer", "INB1 Switch", "INB1 Input"},
1122        {"Right SPK Mixer", "INB2 Switch", "INB2 Input"},
1123 
1124        /* Earpiece/Receiver output mixer */
1125        {"Left REC Mixer", "Left DAC1 Switch", "DACL1"},
1126        {"Left REC Mixer", "Left DAC2 Switch", "DACL2"},
1127        {"Left REC Mixer", "Right DAC1 Switch", "DACR1"},
1128        {"Left REC Mixer", "Right DAC2 Switch", "DACR2"},
1129        {"Left REC Mixer", "MIC1 Switch", "MIC1 Input"},
1130        {"Left REC Mixer", "MIC2 Switch", "MIC2 Input"},
1131        {"Left REC Mixer", "INA1 Switch", "INA1 Input"},
1132        {"Left REC Mixer", "INA2 Switch", "INA2 Input"},
1133        {"Left REC Mixer", "INB1 Switch", "INB1 Input"},
1134        {"Left REC Mixer", "INB2 Switch", "INB2 Input"},
1135 
1136        /* Earpiece/Receiver output mixer */
1137        {"Right REC Mixer", "Left DAC1 Switch", "DACL1"},
1138        {"Right REC Mixer", "Left DAC2 Switch", "DACL2"},
1139        {"Right REC Mixer", "Right DAC1 Switch", "DACR1"},
1140        {"Right REC Mixer", "Right DAC2 Switch", "DACR2"},
1141        {"Right REC Mixer", "MIC1 Switch", "MIC1 Input"},
1142        {"Right REC Mixer", "MIC2 Switch", "MIC2 Input"},
1143        {"Right REC Mixer", "INA1 Switch", "INA1 Input"},
1144        {"Right REC Mixer", "INA2 Switch", "INA2 Input"},
1145        {"Right REC Mixer", "INB1 Switch", "INB1 Input"},
1146        {"Right REC Mixer", "INB2 Switch", "INB2 Input"},
1147 
1148        {"HP Left Out", NULL, "Left HP Mixer"},
1149        {"HP Right Out", NULL, "Right HP Mixer"},
1150        {"SPK Left Out", NULL, "Left SPK Mixer"},
1151        {"SPK Right Out", NULL, "Right SPK Mixer"},
1152        {"REC Left Out", NULL, "Left REC Mixer"},
1153        {"REC Right Out", NULL, "Right REC Mixer"},
1154 
1155        {"HPL", NULL, "HP Left Out"},
1156        {"HPR", NULL, "HP Right Out"},
1157        {"SPKL", NULL, "SPK Left Out"},
1158        {"SPKR", NULL, "SPK Right Out"},
1159        {"RECL", NULL, "REC Left Out"},
1160        {"RECR", NULL, "REC Right Out"},
1161 
1162        /* Left ADC input mixer */
1163        {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1164        {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1165        {"Left ADC Mixer", "INA1 Switch", "INA1 Input"},
1166        {"Left ADC Mixer", "INA2 Switch", "INA2 Input"},
1167        {"Left ADC Mixer", "INB1 Switch", "INB1 Input"},
1168        {"Left ADC Mixer", "INB2 Switch", "INB2 Input"},
1169 
1170        /* Right ADC input mixer */
1171        {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1172        {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1173        {"Right ADC Mixer", "INA1 Switch", "INA1 Input"},
1174        {"Right ADC Mixer", "INA2 Switch", "INA2 Input"},
1175        {"Right ADC Mixer", "INB1 Switch", "INB1 Input"},
1176        {"Right ADC Mixer", "INB2 Switch", "INB2 Input"},
1177 
1178        /* Inputs */
1179        {"ADCL", NULL, "Left ADC Mixer"},
1180        {"ADCR", NULL, "Right ADC Mixer"},
1181        {"INA1 Input", NULL, "INA1"},
1182        {"INA2 Input", NULL, "INA2"},
1183        {"INB1 Input", NULL, "INB1"},
1184        {"INB2 Input", NULL, "INB2"},
1185        {"MIC1 Input", NULL, "MIC1"},
1186        {"MIC2 Input", NULL, "MIC2"},
1187 };
1188 
1189 /* codec mclk clock divider coefficients */
1190 static const struct {
1191        u32 rate;
1192        u8  sr;
1193 } rate_table[] = {
1194        {8000,  0x10},
1195        {11025, 0x20},
1196        {16000, 0x30},
1197        {22050, 0x40},
1198        {24000, 0x50},
1199        {32000, 0x60},
1200        {44100, 0x70},
1201        {48000, 0x80},
1202        {88200, 0x90},
1203        {96000, 0xA0},
1204 };
1205 
1206 static inline int rate_value(int rate, u8 *value)
1207 {
1208        int i;
1209 
1210        for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
1211                if (rate_table[i].rate >= rate) {
1212                        *value = rate_table[i].sr;
1213                        return 0;
1214                }
1215        }
1216        *value = rate_table[0].sr;
1217        return -EINVAL;
1218 }
1219 
1220 static int max98088_dai1_hw_params(struct snd_pcm_substream *substream,
1221                                   struct snd_pcm_hw_params *params,
1222                                   struct snd_soc_dai *dai)
1223 {
1224        struct snd_soc_codec *codec = dai->codec;
1225        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1226        struct max98088_cdata *cdata;
1227        unsigned long long ni;
1228        unsigned int rate;
1229        u8 regval;
1230 
1231        cdata = &max98088->dai[0];
1232 
1233        rate = params_rate(params);
1234 
1235        switch (params_width(params)) {
1236        case 16:
1237                snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1238                        M98088_DAI_WS, 0);
1239                break;
1240        case 24:
1241                snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1242                        M98088_DAI_WS, M98088_DAI_WS);
1243                break;
1244        default:
1245                return -EINVAL;
1246        }
1247 
1248        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1249 
1250        if (rate_value(rate, &regval))
1251                return -EINVAL;
1252 
1253        snd_soc_update_bits(codec, M98088_REG_11_DAI1_CLKMODE,
1254                M98088_CLKMODE_MASK, regval);
1255        cdata->rate = rate;
1256 
1257        /* Configure NI when operating as master */
1258        if (snd_soc_read(codec, M98088_REG_14_DAI1_FORMAT)
1259                & M98088_DAI_MAS) {
1260                if (max98088->sysclk == 0) {
1261                        dev_err(codec->dev, "Invalid system clock frequency\n");
1262                        return -EINVAL;
1263                }
1264                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1265                                * (unsigned long long int)rate;
1266                do_div(ni, (unsigned long long int)max98088->sysclk);
1267                snd_soc_write(codec, M98088_REG_12_DAI1_CLKCFG_HI,
1268                        (ni >> 8) & 0x7F);
1269                snd_soc_write(codec, M98088_REG_13_DAI1_CLKCFG_LO,
1270                        ni & 0xFF);
1271        }
1272 
1273        /* Update sample rate mode */
1274        if (rate < 50000)
1275                snd_soc_update_bits(codec, M98088_REG_18_DAI1_FILTERS,
1276                        M98088_DAI_DHF, 0);
1277        else
1278                snd_soc_update_bits(codec, M98088_REG_18_DAI1_FILTERS,
1279                        M98088_DAI_DHF, M98088_DAI_DHF);
1280 
1281        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1282                M98088_SHDNRUN);
1283 
1284        return 0;
1285 }
1286 
1287 static int max98088_dai2_hw_params(struct snd_pcm_substream *substream,
1288                                   struct snd_pcm_hw_params *params,
1289                                   struct snd_soc_dai *dai)
1290 {
1291        struct snd_soc_codec *codec = dai->codec;
1292        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1293        struct max98088_cdata *cdata;
1294        unsigned long long ni;
1295        unsigned int rate;
1296        u8 regval;
1297 
1298        cdata = &max98088->dai[1];
1299 
1300        rate = params_rate(params);
1301 
1302        switch (params_width(params)) {
1303        case 16:
1304                snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1305                        M98088_DAI_WS, 0);
1306                break;
1307        case 24:
1308                snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1309                        M98088_DAI_WS, M98088_DAI_WS);
1310                break;
1311        default:
1312                return -EINVAL;
1313        }
1314 
1315        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1316 
1317        if (rate_value(rate, &regval))
1318                return -EINVAL;
1319 
1320        snd_soc_update_bits(codec, M98088_REG_19_DAI2_CLKMODE,
1321                M98088_CLKMODE_MASK, regval);
1322        cdata->rate = rate;
1323 
1324        /* Configure NI when operating as master */
1325        if (snd_soc_read(codec, M98088_REG_1C_DAI2_FORMAT)
1326                & M98088_DAI_MAS) {
1327                if (max98088->sysclk == 0) {
1328                        dev_err(codec->dev, "Invalid system clock frequency\n");
1329                        return -EINVAL;
1330                }
1331                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1332                                * (unsigned long long int)rate;
1333                do_div(ni, (unsigned long long int)max98088->sysclk);
1334                snd_soc_write(codec, M98088_REG_1A_DAI2_CLKCFG_HI,
1335                        (ni >> 8) & 0x7F);
1336                snd_soc_write(codec, M98088_REG_1B_DAI2_CLKCFG_LO,
1337                        ni & 0xFF);
1338        }
1339 
1340        /* Update sample rate mode */
1341        if (rate < 50000)
1342                snd_soc_update_bits(codec, M98088_REG_20_DAI2_FILTERS,
1343                        M98088_DAI_DHF, 0);
1344        else
1345                snd_soc_update_bits(codec, M98088_REG_20_DAI2_FILTERS,
1346                        M98088_DAI_DHF, M98088_DAI_DHF);
1347 
1348        snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1349                M98088_SHDNRUN);
1350 
1351        return 0;
1352 }
1353 
1354 static int max98088_dai_set_sysclk(struct snd_soc_dai *dai,
1355                                   int clk_id, unsigned int freq, int dir)
1356 {
1357        struct snd_soc_codec *codec = dai->codec;
1358        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1359 
1360        /* Requested clock frequency is already setup */
1361        if (freq == max98088->sysclk)
1362                return 0;
1363 
1364        /* Setup clocks for slave mode, and using the PLL
1365         * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1366         *         0x02 (when master clk is 20MHz to 30MHz)..
1367         */
1368        if ((freq >= 10000000) && (freq < 20000000)) {
1369                snd_soc_write(codec, M98088_REG_10_SYS_CLK, 0x10);
1370        } else if ((freq >= 20000000) && (freq < 30000000)) {
1371                snd_soc_write(codec, M98088_REG_10_SYS_CLK, 0x20);
1372        } else {
1373                dev_err(codec->dev, "Invalid master clock frequency\n");
1374                return -EINVAL;
1375        }
1376 
1377        if (snd_soc_read(codec, M98088_REG_51_PWR_SYS)  & M98088_SHDNRUN) {
1378                snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS,
1379                        M98088_SHDNRUN, 0);
1380                snd_soc_update_bits(codec, M98088_REG_51_PWR_SYS,
1381                        M98088_SHDNRUN, M98088_SHDNRUN);
1382        }
1383 
1384        dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1385 
1386        max98088->sysclk = freq;
1387        return 0;
1388 }
1389 
1390 static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1391                                 unsigned int fmt)
1392 {
1393        struct snd_soc_codec *codec = codec_dai->codec;
1394        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1395        struct max98088_cdata *cdata;
1396        u8 reg15val;
1397        u8 reg14val = 0;
1398 
1399        cdata = &max98088->dai[0];
1400 
1401        if (fmt != cdata->fmt) {
1402                cdata->fmt = fmt;
1403 
1404                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1405                case SND_SOC_DAIFMT_CBS_CFS:
1406                        /* Slave mode PLL */
1407                        snd_soc_write(codec, M98088_REG_12_DAI1_CLKCFG_HI,
1408                                0x80);
1409                        snd_soc_write(codec, M98088_REG_13_DAI1_CLKCFG_LO,
1410                                0x00);
1411                        break;
1412                case SND_SOC_DAIFMT_CBM_CFM:
1413                        /* Set to master mode */
1414                        reg14val |= M98088_DAI_MAS;
1415                        break;
1416                case SND_SOC_DAIFMT_CBS_CFM:
1417                case SND_SOC_DAIFMT_CBM_CFS:
1418                default:
1419                        dev_err(codec->dev, "Clock mode unsupported");
1420                        return -EINVAL;
1421                }
1422 
1423                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1424                case SND_SOC_DAIFMT_I2S:
1425                        reg14val |= M98088_DAI_DLY;
1426                        break;
1427                case SND_SOC_DAIFMT_LEFT_J:
1428                        break;
1429                default:
1430                        return -EINVAL;
1431                }
1432 
1433                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1434                case SND_SOC_DAIFMT_NB_NF:
1435                        break;
1436                case SND_SOC_DAIFMT_NB_IF:
1437                        reg14val |= M98088_DAI_WCI;
1438                        break;
1439                case SND_SOC_DAIFMT_IB_NF:
1440                        reg14val |= M98088_DAI_BCI;
1441                        break;
1442                case SND_SOC_DAIFMT_IB_IF:
1443                        reg14val |= M98088_DAI_BCI|M98088_DAI_WCI;
1444                        break;
1445                default:
1446                        return -EINVAL;
1447                }
1448 
1449                snd_soc_update_bits(codec, M98088_REG_14_DAI1_FORMAT,
1450                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1451                        M98088_DAI_WCI, reg14val);
1452 
1453                reg15val = M98088_DAI_BSEL64;
1454                if (max98088->digmic)
1455                        reg15val |= M98088_DAI_OSR64;
1456                snd_soc_write(codec, M98088_REG_15_DAI1_CLOCK, reg15val);
1457        }
1458 
1459        return 0;
1460 }
1461 
1462 static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1463                                 unsigned int fmt)
1464 {
1465        struct snd_soc_codec *codec = codec_dai->codec;
1466        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1467        struct max98088_cdata *cdata;
1468        u8 reg1Cval = 0;
1469 
1470        cdata = &max98088->dai[1];
1471 
1472        if (fmt != cdata->fmt) {
1473                cdata->fmt = fmt;
1474 
1475                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1476                case SND_SOC_DAIFMT_CBS_CFS:
1477                        /* Slave mode PLL */
1478                        snd_soc_write(codec, M98088_REG_1A_DAI2_CLKCFG_HI,
1479                                0x80);
1480                        snd_soc_write(codec, M98088_REG_1B_DAI2_CLKCFG_LO,
1481                                0x00);
1482                        break;
1483                case SND_SOC_DAIFMT_CBM_CFM:
1484                        /* Set to master mode */
1485                        reg1Cval |= M98088_DAI_MAS;
1486                        break;
1487                case SND_SOC_DAIFMT_CBS_CFM:
1488                case SND_SOC_DAIFMT_CBM_CFS:
1489                default:
1490                        dev_err(codec->dev, "Clock mode unsupported");
1491                        return -EINVAL;
1492                }
1493 
1494                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1495                case SND_SOC_DAIFMT_I2S:
1496                        reg1Cval |= M98088_DAI_DLY;
1497                        break;
1498                case SND_SOC_DAIFMT_LEFT_J:
1499                        break;
1500                default:
1501                        return -EINVAL;
1502                }
1503 
1504                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1505                case SND_SOC_DAIFMT_NB_NF:
1506                        break;
1507                case SND_SOC_DAIFMT_NB_IF:
1508                        reg1Cval |= M98088_DAI_WCI;
1509                        break;
1510                case SND_SOC_DAIFMT_IB_NF:
1511                        reg1Cval |= M98088_DAI_BCI;
1512                        break;
1513                case SND_SOC_DAIFMT_IB_IF:
1514                        reg1Cval |= M98088_DAI_BCI|M98088_DAI_WCI;
1515                        break;
1516                default:
1517                        return -EINVAL;
1518                }
1519 
1520                snd_soc_update_bits(codec, M98088_REG_1C_DAI2_FORMAT,
1521                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1522                        M98088_DAI_WCI, reg1Cval);
1523 
1524                snd_soc_write(codec, M98088_REG_1D_DAI2_CLOCK,
1525                        M98088_DAI_BSEL64);
1526        }
1527 
1528        return 0;
1529 }
1530 
1531 static int max98088_dai1_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1532 {
1533        struct snd_soc_codec *codec = codec_dai->codec;
1534        int reg;
1535 
1536        if (mute)
1537                reg = M98088_DAI_MUTE;
1538        else
1539                reg = 0;
1540 
1541        snd_soc_update_bits(codec, M98088_REG_2F_LVL_DAI1_PLAY,
1542                            M98088_DAI_MUTE_MASK, reg);
1543        return 0;
1544 }
1545 
1546 static int max98088_dai2_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1547 {
1548        struct snd_soc_codec *codec = codec_dai->codec;
1549        int reg;
1550 
1551        if (mute)
1552                reg = M98088_DAI_MUTE;
1553        else
1554                reg = 0;
1555 
1556        snd_soc_update_bits(codec, M98088_REG_31_LVL_DAI2_PLAY,
1557                            M98088_DAI_MUTE_MASK, reg);
1558        return 0;
1559 }
1560 
1561 static int max98088_set_bias_level(struct snd_soc_codec *codec,
1562                                   enum snd_soc_bias_level level)
1563 {
1564 	struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1565 
1566 	switch (level) {
1567 	case SND_SOC_BIAS_ON:
1568 		break;
1569 
1570 	case SND_SOC_BIAS_PREPARE:
1571 		break;
1572 
1573 	case SND_SOC_BIAS_STANDBY:
1574 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF)
1575 			regcache_sync(max98088->regmap);
1576 
1577 		snd_soc_update_bits(codec, M98088_REG_4C_PWR_EN_IN,
1578 				   M98088_MBEN, M98088_MBEN);
1579 		break;
1580 
1581 	case SND_SOC_BIAS_OFF:
1582 		snd_soc_update_bits(codec, M98088_REG_4C_PWR_EN_IN,
1583 				    M98088_MBEN, 0);
1584 		regcache_mark_dirty(max98088->regmap);
1585 		break;
1586 	}
1587 	return 0;
1588 }
1589 
1590 #define MAX98088_RATES SNDRV_PCM_RATE_8000_96000
1591 #define MAX98088_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1592 
1593 static const struct snd_soc_dai_ops max98088_dai1_ops = {
1594        .set_sysclk = max98088_dai_set_sysclk,
1595        .set_fmt = max98088_dai1_set_fmt,
1596        .hw_params = max98088_dai1_hw_params,
1597        .digital_mute = max98088_dai1_digital_mute,
1598 };
1599 
1600 static const struct snd_soc_dai_ops max98088_dai2_ops = {
1601        .set_sysclk = max98088_dai_set_sysclk,
1602        .set_fmt = max98088_dai2_set_fmt,
1603        .hw_params = max98088_dai2_hw_params,
1604        .digital_mute = max98088_dai2_digital_mute,
1605 };
1606 
1607 static struct snd_soc_dai_driver max98088_dai[] = {
1608 {
1609        .name = "HiFi",
1610        .playback = {
1611                .stream_name = "HiFi Playback",
1612                .channels_min = 1,
1613                .channels_max = 2,
1614                .rates = MAX98088_RATES,
1615                .formats = MAX98088_FORMATS,
1616        },
1617        .capture = {
1618                .stream_name = "HiFi Capture",
1619                .channels_min = 1,
1620                .channels_max = 2,
1621                .rates = MAX98088_RATES,
1622                .formats = MAX98088_FORMATS,
1623        },
1624         .ops = &max98088_dai1_ops,
1625 },
1626 {
1627        .name = "Aux",
1628        .playback = {
1629                .stream_name = "Aux Playback",
1630                .channels_min = 1,
1631                .channels_max = 2,
1632                .rates = MAX98088_RATES,
1633                .formats = MAX98088_FORMATS,
1634        },
1635        .ops = &max98088_dai2_ops,
1636 }
1637 };
1638 
1639 static const char *eq_mode_name[] = {"EQ1 Mode", "EQ2 Mode"};
1640 
1641 static int max98088_get_channel(struct snd_soc_codec *codec, const char *name)
1642 {
1643 	int i;
1644 
1645 	for (i = 0; i < ARRAY_SIZE(eq_mode_name); i++)
1646 		if (strcmp(name, eq_mode_name[i]) == 0)
1647 			return i;
1648 
1649 	/* Shouldn't happen */
1650 	dev_err(codec->dev, "Bad EQ channel name '%s'\n", name);
1651 	return -EINVAL;
1652 }
1653 
1654 static void max98088_setup_eq1(struct snd_soc_codec *codec)
1655 {
1656        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1657        struct max98088_pdata *pdata = max98088->pdata;
1658        struct max98088_eq_cfg *coef_set;
1659        int best, best_val, save, i, sel, fs;
1660        struct max98088_cdata *cdata;
1661 
1662        cdata = &max98088->dai[0];
1663 
1664        if (!pdata || !max98088->eq_textcnt)
1665                return;
1666 
1667        /* Find the selected configuration with nearest sample rate */
1668        fs = cdata->rate;
1669        sel = cdata->eq_sel;
1670 
1671        best = 0;
1672        best_val = INT_MAX;
1673        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1674                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1675                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1676                        best = i;
1677                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1678                }
1679        }
1680 
1681        dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1682                pdata->eq_cfg[best].name,
1683                pdata->eq_cfg[best].rate, fs);
1684 
1685        /* Disable EQ while configuring, and save current on/off state */
1686        save = snd_soc_read(codec, M98088_REG_49_CFG_LEVEL);
1687        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, 0);
1688 
1689        coef_set = &pdata->eq_cfg[sel];
1690 
1691        m98088_eq_band(codec, 0, 0, coef_set->band1);
1692        m98088_eq_band(codec, 0, 1, coef_set->band2);
1693        m98088_eq_band(codec, 0, 2, coef_set->band3);
1694        m98088_eq_band(codec, 0, 3, coef_set->band4);
1695        m98088_eq_band(codec, 0, 4, coef_set->band5);
1696 
1697        /* Restore the original on/off state */
1698        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, save);
1699 }
1700 
1701 static void max98088_setup_eq2(struct snd_soc_codec *codec)
1702 {
1703        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1704        struct max98088_pdata *pdata = max98088->pdata;
1705        struct max98088_eq_cfg *coef_set;
1706        int best, best_val, save, i, sel, fs;
1707        struct max98088_cdata *cdata;
1708 
1709        cdata = &max98088->dai[1];
1710 
1711        if (!pdata || !max98088->eq_textcnt)
1712                return;
1713 
1714        /* Find the selected configuration with nearest sample rate */
1715        fs = cdata->rate;
1716 
1717        sel = cdata->eq_sel;
1718        best = 0;
1719        best_val = INT_MAX;
1720        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1721                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1722                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1723                        best = i;
1724                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1725                }
1726        }
1727 
1728        dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
1729                pdata->eq_cfg[best].name,
1730                pdata->eq_cfg[best].rate, fs);
1731 
1732        /* Disable EQ while configuring, and save current on/off state */
1733        save = snd_soc_read(codec, M98088_REG_49_CFG_LEVEL);
1734        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, 0);
1735 
1736        coef_set = &pdata->eq_cfg[sel];
1737 
1738        m98088_eq_band(codec, 1, 0, coef_set->band1);
1739        m98088_eq_band(codec, 1, 1, coef_set->band2);
1740        m98088_eq_band(codec, 1, 2, coef_set->band3);
1741        m98088_eq_band(codec, 1, 3, coef_set->band4);
1742        m98088_eq_band(codec, 1, 4, coef_set->band5);
1743 
1744        /* Restore the original on/off state */
1745        snd_soc_update_bits(codec, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN,
1746                save);
1747 }
1748 
1749 static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol,
1750                                 struct snd_ctl_elem_value *ucontrol)
1751 {
1752        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1753        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1754        struct max98088_pdata *pdata = max98088->pdata;
1755        int channel = max98088_get_channel(codec, kcontrol->id.name);
1756        struct max98088_cdata *cdata;
1757        int sel = ucontrol->value.integer.value[0];
1758 
1759        if (channel < 0)
1760 	       return channel;
1761 
1762        cdata = &max98088->dai[channel];
1763 
1764        if (sel >= pdata->eq_cfgcnt)
1765                return -EINVAL;
1766 
1767        cdata->eq_sel = sel;
1768 
1769        switch (channel) {
1770        case 0:
1771                max98088_setup_eq1(codec);
1772                break;
1773        case 1:
1774                max98088_setup_eq2(codec);
1775                break;
1776        }
1777 
1778        return 0;
1779 }
1780 
1781 static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol,
1782                                 struct snd_ctl_elem_value *ucontrol)
1783 {
1784        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1785        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1786        int channel = max98088_get_channel(codec, kcontrol->id.name);
1787        struct max98088_cdata *cdata;
1788 
1789        if (channel < 0)
1790 	       return channel;
1791 
1792        cdata = &max98088->dai[channel];
1793        ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1794        return 0;
1795 }
1796 
1797 static void max98088_handle_eq_pdata(struct snd_soc_codec *codec)
1798 {
1799        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1800        struct max98088_pdata *pdata = max98088->pdata;
1801        struct max98088_eq_cfg *cfg;
1802        unsigned int cfgcnt;
1803        int i, j;
1804        const char **t;
1805        int ret;
1806        struct snd_kcontrol_new controls[] = {
1807                SOC_ENUM_EXT((char *)eq_mode_name[0],
1808                        max98088->eq_enum,
1809                        max98088_get_eq_enum,
1810                        max98088_put_eq_enum),
1811                SOC_ENUM_EXT((char *)eq_mode_name[1],
1812                        max98088->eq_enum,
1813                        max98088_get_eq_enum,
1814                        max98088_put_eq_enum),
1815        };
1816        BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(eq_mode_name));
1817 
1818        cfg = pdata->eq_cfg;
1819        cfgcnt = pdata->eq_cfgcnt;
1820 
1821        /* Setup an array of texts for the equalizer enum.
1822         * This is based on Mark Brown's equalizer driver code.
1823         */
1824        max98088->eq_textcnt = 0;
1825        max98088->eq_texts = NULL;
1826        for (i = 0; i < cfgcnt; i++) {
1827                for (j = 0; j < max98088->eq_textcnt; j++) {
1828                        if (strcmp(cfg[i].name, max98088->eq_texts[j]) == 0)
1829                                break;
1830                }
1831 
1832                if (j != max98088->eq_textcnt)
1833                        continue;
1834 
1835                /* Expand the array */
1836                t = krealloc(max98088->eq_texts,
1837                             sizeof(char *) * (max98088->eq_textcnt + 1),
1838                             GFP_KERNEL);
1839                if (t == NULL)
1840                        continue;
1841 
1842                /* Store the new entry */
1843                t[max98088->eq_textcnt] = cfg[i].name;
1844                max98088->eq_textcnt++;
1845                max98088->eq_texts = t;
1846        }
1847 
1848        /* Now point the soc_enum to .texts array items */
1849        max98088->eq_enum.texts = max98088->eq_texts;
1850        max98088->eq_enum.items = max98088->eq_textcnt;
1851 
1852        ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
1853        if (ret != 0)
1854                dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
1855 }
1856 
1857 static void max98088_handle_pdata(struct snd_soc_codec *codec)
1858 {
1859        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1860        struct max98088_pdata *pdata = max98088->pdata;
1861        u8 regval = 0;
1862 
1863        if (!pdata) {
1864                dev_dbg(codec->dev, "No platform data\n");
1865                return;
1866        }
1867 
1868        /* Configure mic for analog/digital mic mode */
1869        if (pdata->digmic_left_mode)
1870                regval |= M98088_DIGMIC_L;
1871 
1872        if (pdata->digmic_right_mode)
1873                regval |= M98088_DIGMIC_R;
1874 
1875        max98088->digmic = (regval ? 1 : 0);
1876 
1877        snd_soc_write(codec, M98088_REG_48_CFG_MIC, regval);
1878 
1879        /* Configure receiver output */
1880        regval = ((pdata->receiver_mode) ? M98088_REC_LINEMODE : 0);
1881        snd_soc_update_bits(codec, M98088_REG_2A_MIC_REC_CNTL,
1882                M98088_REC_LINEMODE_MASK, regval);
1883 
1884        /* Configure equalizers */
1885        if (pdata->eq_cfgcnt)
1886                max98088_handle_eq_pdata(codec);
1887 }
1888 
1889 static int max98088_probe(struct snd_soc_codec *codec)
1890 {
1891        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1892        struct max98088_cdata *cdata;
1893        int ret = 0;
1894 
1895        regcache_mark_dirty(max98088->regmap);
1896 
1897        /* initialize private data */
1898 
1899        max98088->sysclk = (unsigned)-1;
1900        max98088->eq_textcnt = 0;
1901 
1902        cdata = &max98088->dai[0];
1903        cdata->rate = (unsigned)-1;
1904        cdata->fmt  = (unsigned)-1;
1905        cdata->eq_sel = 0;
1906 
1907        cdata = &max98088->dai[1];
1908        cdata->rate = (unsigned)-1;
1909        cdata->fmt  = (unsigned)-1;
1910        cdata->eq_sel = 0;
1911 
1912        max98088->ina_state = 0;
1913        max98088->inb_state = 0;
1914        max98088->ex_mode = 0;
1915        max98088->digmic = 0;
1916        max98088->mic1pre = 0;
1917        max98088->mic2pre = 0;
1918 
1919        ret = snd_soc_read(codec, M98088_REG_FF_REV_ID);
1920        if (ret < 0) {
1921                dev_err(codec->dev, "Failed to read device revision: %d\n",
1922                        ret);
1923                goto err_access;
1924        }
1925        dev_info(codec->dev, "revision %c\n", ret - 0x40 + 'A');
1926 
1927        snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);
1928 
1929        snd_soc_write(codec, M98088_REG_0F_IRQ_ENABLE, 0x00);
1930 
1931        snd_soc_write(codec, M98088_REG_22_MIX_DAC,
1932                M98088_DAI1L_TO_DACL|M98088_DAI2L_TO_DACL|
1933                M98088_DAI1R_TO_DACR|M98088_DAI2R_TO_DACR);
1934 
1935        snd_soc_write(codec, M98088_REG_4E_BIAS_CNTL, 0xF0);
1936        snd_soc_write(codec, M98088_REG_50_DAC_BIAS2, 0x0F);
1937 
1938        snd_soc_write(codec, M98088_REG_16_DAI1_IOCFG,
1939                M98088_S1NORMAL|M98088_SDATA);
1940 
1941        snd_soc_write(codec, M98088_REG_1E_DAI2_IOCFG,
1942                M98088_S2NORMAL|M98088_SDATA);
1943 
1944        max98088_handle_pdata(codec);
1945 
1946 err_access:
1947        return ret;
1948 }
1949 
1950 static int max98088_remove(struct snd_soc_codec *codec)
1951 {
1952        struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
1953 
1954        kfree(max98088->eq_texts);
1955 
1956        return 0;
1957 }
1958 
1959 static struct snd_soc_codec_driver soc_codec_dev_max98088 = {
1960 	.probe   = max98088_probe,
1961 	.remove  = max98088_remove,
1962 	.set_bias_level = max98088_set_bias_level,
1963 	.suspend_bias_off = true,
1964 
1965 	.controls = max98088_snd_controls,
1966 	.num_controls = ARRAY_SIZE(max98088_snd_controls),
1967 	.dapm_widgets = max98088_dapm_widgets,
1968 	.num_dapm_widgets = ARRAY_SIZE(max98088_dapm_widgets),
1969 	.dapm_routes = max98088_audio_map,
1970 	.num_dapm_routes = ARRAY_SIZE(max98088_audio_map),
1971 };
1972 
1973 static int max98088_i2c_probe(struct i2c_client *i2c,
1974 			      const struct i2c_device_id *id)
1975 {
1976        struct max98088_priv *max98088;
1977        int ret;
1978 
1979        max98088 = devm_kzalloc(&i2c->dev, sizeof(struct max98088_priv),
1980 			       GFP_KERNEL);
1981        if (max98088 == NULL)
1982                return -ENOMEM;
1983 
1984        max98088->regmap = devm_regmap_init_i2c(i2c, &max98088_regmap);
1985        if (IS_ERR(max98088->regmap))
1986 	       return PTR_ERR(max98088->regmap);
1987 
1988        max98088->devtype = id->driver_data;
1989 
1990        i2c_set_clientdata(i2c, max98088);
1991        max98088->pdata = i2c->dev.platform_data;
1992 
1993        ret = snd_soc_register_codec(&i2c->dev,
1994                        &soc_codec_dev_max98088, &max98088_dai[0], 2);
1995        return ret;
1996 }
1997 
1998 static int max98088_i2c_remove(struct i2c_client *client)
1999 {
2000        snd_soc_unregister_codec(&client->dev);
2001        return 0;
2002 }
2003 
2004 static const struct i2c_device_id max98088_i2c_id[] = {
2005        { "max98088", MAX98088 },
2006        { "max98089", MAX98089 },
2007        { }
2008 };
2009 MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
2010 
2011 static struct i2c_driver max98088_i2c_driver = {
2012 	.driver = {
2013 		.name = "max98088",
2014 		.owner = THIS_MODULE,
2015 	},
2016 	.probe  = max98088_i2c_probe,
2017 	.remove = max98088_i2c_remove,
2018 	.id_table = max98088_i2c_id,
2019 };
2020 
2021 module_i2c_driver(max98088_i2c_driver);
2022 
2023 MODULE_DESCRIPTION("ALSA SoC MAX98088 driver");
2024 MODULE_AUTHOR("Peter Hsiang, Jesse Marroquin");
2025 MODULE_LICENSE("GPL");
2026