xref: /linux/sound/soc/codecs/max98088.c (revision ec63e2a4897075e427c121d863bd89c44578094f)
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 <linux/clk.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/max98088.h>
29 #include "max98088.h"
30 
31 enum max98088_type {
32        MAX98088,
33        MAX98089,
34 };
35 
36 struct max98088_cdata {
37        unsigned int rate;
38        unsigned int fmt;
39        int eq_sel;
40 };
41 
42 struct max98088_priv {
43 	struct regmap *regmap;
44 	enum max98088_type devtype;
45 	struct max98088_pdata *pdata;
46 	struct clk *mclk;
47 	unsigned int sysclk;
48 	struct max98088_cdata dai[2];
49 	int eq_textcnt;
50 	const char **eq_texts;
51 	struct soc_enum eq_enum;
52 	u8 ina_state;
53 	u8 inb_state;
54 	unsigned int ex_mode;
55 	unsigned int digmic;
56 	unsigned int mic1pre;
57 	unsigned int mic2pre;
58 	unsigned int extmic_mode;
59 };
60 
61 static const struct reg_default max98088_reg[] = {
62 	{  0xf, 0x00 }, /* 0F interrupt enable */
63 
64 	{ 0x10, 0x00 }, /* 10 master clock */
65 	{ 0x11, 0x00 }, /* 11 DAI1 clock mode */
66 	{ 0x12, 0x00 }, /* 12 DAI1 clock control */
67 	{ 0x13, 0x00 }, /* 13 DAI1 clock control */
68 	{ 0x14, 0x00 }, /* 14 DAI1 format */
69 	{ 0x15, 0x00 }, /* 15 DAI1 clock */
70 	{ 0x16, 0x00 }, /* 16 DAI1 config */
71 	{ 0x17, 0x00 }, /* 17 DAI1 TDM */
72 	{ 0x18, 0x00 }, /* 18 DAI1 filters */
73 	{ 0x19, 0x00 }, /* 19 DAI2 clock mode */
74 	{ 0x1a, 0x00 }, /* 1A DAI2 clock control */
75 	{ 0x1b, 0x00 }, /* 1B DAI2 clock control */
76 	{ 0x1c, 0x00 }, /* 1C DAI2 format */
77 	{ 0x1d, 0x00 }, /* 1D DAI2 clock */
78 	{ 0x1e, 0x00 }, /* 1E DAI2 config */
79 	{ 0x1f, 0x00 }, /* 1F DAI2 TDM */
80 
81 	{ 0x20, 0x00 }, /* 20 DAI2 filters */
82 	{ 0x21, 0x00 }, /* 21 data config */
83 	{ 0x22, 0x00 }, /* 22 DAC mixer */
84 	{ 0x23, 0x00 }, /* 23 left ADC mixer */
85 	{ 0x24, 0x00 }, /* 24 right ADC mixer */
86 	{ 0x25, 0x00 }, /* 25 left HP mixer */
87 	{ 0x26, 0x00 }, /* 26 right HP mixer */
88 	{ 0x27, 0x00 }, /* 27 HP control */
89 	{ 0x28, 0x00 }, /* 28 left REC mixer */
90 	{ 0x29, 0x00 }, /* 29 right REC mixer */
91 	{ 0x2a, 0x00 }, /* 2A REC control */
92 	{ 0x2b, 0x00 }, /* 2B left SPK mixer */
93 	{ 0x2c, 0x00 }, /* 2C right SPK mixer */
94 	{ 0x2d, 0x00 }, /* 2D SPK control */
95 	{ 0x2e, 0x00 }, /* 2E sidetone */
96 	{ 0x2f, 0x00 }, /* 2F DAI1 playback level */
97 
98 	{ 0x30, 0x00 }, /* 30 DAI1 playback level */
99 	{ 0x31, 0x00 }, /* 31 DAI2 playback level */
100 	{ 0x32, 0x00 }, /* 32 DAI2 playbakc level */
101 	{ 0x33, 0x00 }, /* 33 left ADC level */
102 	{ 0x34, 0x00 }, /* 34 right ADC level */
103 	{ 0x35, 0x00 }, /* 35 MIC1 level */
104 	{ 0x36, 0x00 }, /* 36 MIC2 level */
105 	{ 0x37, 0x00 }, /* 37 INA level */
106 	{ 0x38, 0x00 }, /* 38 INB level */
107 	{ 0x39, 0x00 }, /* 39 left HP volume */
108 	{ 0x3a, 0x00 }, /* 3A right HP volume */
109 	{ 0x3b, 0x00 }, /* 3B left REC volume */
110 	{ 0x3c, 0x00 }, /* 3C right REC volume */
111 	{ 0x3d, 0x00 }, /* 3D left SPK volume */
112 	{ 0x3e, 0x00 }, /* 3E right SPK volume */
113 	{ 0x3f, 0x00 }, /* 3F MIC config */
114 
115 	{ 0x40, 0x00 }, /* 40 MIC threshold */
116 	{ 0x41, 0x00 }, /* 41 excursion limiter filter */
117 	{ 0x42, 0x00 }, /* 42 excursion limiter threshold */
118 	{ 0x43, 0x00 }, /* 43 ALC */
119 	{ 0x44, 0x00 }, /* 44 power limiter threshold */
120 	{ 0x45, 0x00 }, /* 45 power limiter config */
121 	{ 0x46, 0x00 }, /* 46 distortion limiter config */
122 	{ 0x47, 0x00 }, /* 47 audio input */
123         { 0x48, 0x00 }, /* 48 microphone */
124 	{ 0x49, 0x00 }, /* 49 level control */
125 	{ 0x4a, 0x00 }, /* 4A bypass switches */
126 	{ 0x4b, 0x00 }, /* 4B jack detect */
127 	{ 0x4c, 0x00 }, /* 4C input enable */
128 	{ 0x4d, 0x00 }, /* 4D output enable */
129 	{ 0x4e, 0xF0 }, /* 4E bias control */
130 	{ 0x4f, 0x00 }, /* 4F DAC power */
131 
132 	{ 0x50, 0x0F }, /* 50 DAC power */
133 	{ 0x51, 0x00 }, /* 51 system */
134 	{ 0x52, 0x00 }, /* 52 DAI1 EQ1 */
135 	{ 0x53, 0x00 }, /* 53 DAI1 EQ1 */
136 	{ 0x54, 0x00 }, /* 54 DAI1 EQ1 */
137 	{ 0x55, 0x00 }, /* 55 DAI1 EQ1 */
138 	{ 0x56, 0x00 }, /* 56 DAI1 EQ1 */
139 	{ 0x57, 0x00 }, /* 57 DAI1 EQ1 */
140 	{ 0x58, 0x00 }, /* 58 DAI1 EQ1 */
141 	{ 0x59, 0x00 }, /* 59 DAI1 EQ1 */
142 	{ 0x5a, 0x00 }, /* 5A DAI1 EQ1 */
143 	{ 0x5b, 0x00 }, /* 5B DAI1 EQ1 */
144 	{ 0x5c, 0x00 }, /* 5C DAI1 EQ2 */
145 	{ 0x5d, 0x00 }, /* 5D DAI1 EQ2 */
146 	{ 0x5e, 0x00 }, /* 5E DAI1 EQ2 */
147 	{ 0x5f, 0x00 }, /* 5F DAI1 EQ2 */
148 
149 	{ 0x60, 0x00 }, /* 60 DAI1 EQ2 */
150 	{ 0x61, 0x00 }, /* 61 DAI1 EQ2 */
151 	{ 0x62, 0x00 }, /* 62 DAI1 EQ2 */
152 	{ 0x63, 0x00 }, /* 63 DAI1 EQ2 */
153 	{ 0x64, 0x00 }, /* 64 DAI1 EQ2 */
154 	{ 0x65, 0x00 }, /* 65 DAI1 EQ2 */
155 	{ 0x66, 0x00 }, /* 66 DAI1 EQ3 */
156 	{ 0x67, 0x00 }, /* 67 DAI1 EQ3 */
157 	{ 0x68, 0x00 }, /* 68 DAI1 EQ3 */
158 	{ 0x69, 0x00 }, /* 69 DAI1 EQ3 */
159 	{ 0x6a, 0x00 }, /* 6A DAI1 EQ3 */
160 	{ 0x6b, 0x00 }, /* 6B DAI1 EQ3 */
161 	{ 0x6c, 0x00 }, /* 6C DAI1 EQ3 */
162 	{ 0x6d, 0x00 }, /* 6D DAI1 EQ3 */
163 	{ 0x6e, 0x00 }, /* 6E DAI1 EQ3 */
164 	{ 0x6f, 0x00 }, /* 6F DAI1 EQ3 */
165 
166 	{ 0x70, 0x00 }, /* 70 DAI1 EQ4 */
167 	{ 0x71, 0x00 }, /* 71 DAI1 EQ4 */
168 	{ 0x72, 0x00 }, /* 72 DAI1 EQ4 */
169 	{ 0x73, 0x00 }, /* 73 DAI1 EQ4 */
170 	{ 0x74, 0x00 }, /* 74 DAI1 EQ4 */
171 	{ 0x75, 0x00 }, /* 75 DAI1 EQ4 */
172 	{ 0x76, 0x00 }, /* 76 DAI1 EQ4 */
173 	{ 0x77, 0x00 }, /* 77 DAI1 EQ4 */
174 	{ 0x78, 0x00 }, /* 78 DAI1 EQ4 */
175 	{ 0x79, 0x00 }, /* 79 DAI1 EQ4 */
176 	{ 0x7a, 0x00 }, /* 7A DAI1 EQ5 */
177 	{ 0x7b, 0x00 }, /* 7B DAI1 EQ5 */
178 	{ 0x7c, 0x00 }, /* 7C DAI1 EQ5 */
179 	{ 0x7d, 0x00 }, /* 7D DAI1 EQ5 */
180 	{ 0x7e, 0x00 }, /* 7E DAI1 EQ5 */
181 	{ 0x7f, 0x00 }, /* 7F DAI1 EQ5 */
182 
183 	{ 0x80, 0x00 }, /* 80 DAI1 EQ5 */
184 	{ 0x81, 0x00 }, /* 81 DAI1 EQ5 */
185 	{ 0x82, 0x00 }, /* 82 DAI1 EQ5 */
186 	{ 0x83, 0x00 }, /* 83 DAI1 EQ5 */
187 	{ 0x84, 0x00 }, /* 84 DAI2 EQ1 */
188 	{ 0x85, 0x00 }, /* 85 DAI2 EQ1 */
189 	{ 0x86, 0x00 }, /* 86 DAI2 EQ1 */
190 	{ 0x87, 0x00 }, /* 87 DAI2 EQ1 */
191 	{ 0x88, 0x00 }, /* 88 DAI2 EQ1 */
192 	{ 0x89, 0x00 }, /* 89 DAI2 EQ1 */
193 	{ 0x8a, 0x00 }, /* 8A DAI2 EQ1 */
194 	{ 0x8b, 0x00 }, /* 8B DAI2 EQ1 */
195 	{ 0x8c, 0x00 }, /* 8C DAI2 EQ1 */
196 	{ 0x8d, 0x00 }, /* 8D DAI2 EQ1 */
197 	{ 0x8e, 0x00 }, /* 8E DAI2 EQ2 */
198 	{ 0x8f, 0x00 }, /* 8F DAI2 EQ2 */
199 
200 	{ 0x90, 0x00 }, /* 90 DAI2 EQ2 */
201 	{ 0x91, 0x00 }, /* 91 DAI2 EQ2 */
202 	{ 0x92, 0x00 }, /* 92 DAI2 EQ2 */
203 	{ 0x93, 0x00 }, /* 93 DAI2 EQ2 */
204 	{ 0x94, 0x00 }, /* 94 DAI2 EQ2 */
205 	{ 0x95, 0x00 }, /* 95 DAI2 EQ2 */
206 	{ 0x96, 0x00 }, /* 96 DAI2 EQ2 */
207 	{ 0x97, 0x00 }, /* 97 DAI2 EQ2 */
208 	{ 0x98, 0x00 }, /* 98 DAI2 EQ3 */
209 	{ 0x99, 0x00 }, /* 99 DAI2 EQ3 */
210 	{ 0x9a, 0x00 }, /* 9A DAI2 EQ3 */
211         { 0x9b, 0x00 }, /* 9B DAI2 EQ3 */
212 	{ 0x9c, 0x00 }, /* 9C DAI2 EQ3 */
213 	{ 0x9d, 0x00 }, /* 9D DAI2 EQ3 */
214 	{ 0x9e, 0x00 }, /* 9E DAI2 EQ3 */
215 	{ 0x9f, 0x00 }, /* 9F DAI2 EQ3 */
216 
217 	{ 0xa0, 0x00 }, /* A0 DAI2 EQ3 */
218 	{ 0xa1, 0x00 }, /* A1 DAI2 EQ3 */
219 	{ 0xa2, 0x00 }, /* A2 DAI2 EQ4 */
220 	{ 0xa3, 0x00 }, /* A3 DAI2 EQ4 */
221 	{ 0xa4, 0x00 }, /* A4 DAI2 EQ4 */
222 	{ 0xa5, 0x00 }, /* A5 DAI2 EQ4 */
223 	{ 0xa6, 0x00 }, /* A6 DAI2 EQ4 */
224 	{ 0xa7, 0x00 }, /* A7 DAI2 EQ4 */
225 	{ 0xa8, 0x00 }, /* A8 DAI2 EQ4 */
226 	{ 0xa9, 0x00 }, /* A9 DAI2 EQ4 */
227 	{ 0xaa, 0x00 }, /* AA DAI2 EQ4 */
228 	{ 0xab, 0x00 }, /* AB DAI2 EQ4 */
229 	{ 0xac, 0x00 }, /* AC DAI2 EQ5 */
230 	{ 0xad, 0x00 }, /* AD DAI2 EQ5 */
231 	{ 0xae, 0x00 }, /* AE DAI2 EQ5 */
232 	{ 0xaf, 0x00 }, /* AF DAI2 EQ5 */
233 
234 	{ 0xb0, 0x00 }, /* B0 DAI2 EQ5 */
235 	{ 0xb1, 0x00 }, /* B1 DAI2 EQ5 */
236 	{ 0xb2, 0x00 }, /* B2 DAI2 EQ5 */
237 	{ 0xb3, 0x00 }, /* B3 DAI2 EQ5 */
238 	{ 0xb4, 0x00 }, /* B4 DAI2 EQ5 */
239 	{ 0xb5, 0x00 }, /* B5 DAI2 EQ5 */
240 	{ 0xb6, 0x00 }, /* B6 DAI1 biquad */
241 	{ 0xb7, 0x00 }, /* B7 DAI1 biquad */
242 	{ 0xb8 ,0x00 }, /* B8 DAI1 biquad */
243 	{ 0xb9, 0x00 }, /* B9 DAI1 biquad */
244 	{ 0xba, 0x00 }, /* BA DAI1 biquad */
245 	{ 0xbb, 0x00 }, /* BB DAI1 biquad */
246 	{ 0xbc, 0x00 }, /* BC DAI1 biquad */
247 	{ 0xbd, 0x00 }, /* BD DAI1 biquad */
248 	{ 0xbe, 0x00 }, /* BE DAI1 biquad */
249         { 0xbf, 0x00 }, /* BF DAI1 biquad */
250 
251 	{ 0xc0, 0x00 }, /* C0 DAI2 biquad */
252 	{ 0xc1, 0x00 }, /* C1 DAI2 biquad */
253 	{ 0xc2, 0x00 }, /* C2 DAI2 biquad */
254 	{ 0xc3, 0x00 }, /* C3 DAI2 biquad */
255 	{ 0xc4, 0x00 }, /* C4 DAI2 biquad */
256 	{ 0xc5, 0x00 }, /* C5 DAI2 biquad */
257 	{ 0xc6, 0x00 }, /* C6 DAI2 biquad */
258 	{ 0xc7, 0x00 }, /* C7 DAI2 biquad */
259 	{ 0xc8, 0x00 }, /* C8 DAI2 biquad */
260 	{ 0xc9, 0x00 }, /* C9 DAI2 biquad */
261 };
262 
263 static bool max98088_readable_register(struct device *dev, unsigned int reg)
264 {
265 	switch (reg) {
266 	case M98088_REG_00_IRQ_STATUS ... 0xC9:
267 	case M98088_REG_FF_REV_ID:
268 		return true;
269 	default:
270 		return false;
271 	}
272 }
273 
274 static bool max98088_writeable_register(struct device *dev, unsigned int reg)
275 {
276 	switch (reg) {
277 	case M98088_REG_03_BATTERY_VOLTAGE ... 0xC9:
278 		return true;
279 	default:
280 		return false;
281 	}
282 }
283 
284 static bool max98088_volatile_register(struct device *dev, unsigned int reg)
285 {
286 	switch (reg) {
287 	case M98088_REG_00_IRQ_STATUS ... M98088_REG_03_BATTERY_VOLTAGE:
288 	case M98088_REG_FF_REV_ID:
289 		return true;
290 	default:
291 		return false;
292 	}
293 }
294 
295 static const struct regmap_config max98088_regmap = {
296 	.reg_bits = 8,
297 	.val_bits = 8,
298 
299 	.readable_reg = max98088_readable_register,
300 	.writeable_reg = max98088_writeable_register,
301 	.volatile_reg = max98088_volatile_register,
302 	.max_register = 0xff,
303 
304 	.reg_defaults = max98088_reg,
305 	.num_reg_defaults = ARRAY_SIZE(max98088_reg),
306 	.cache_type = REGCACHE_RBTREE,
307 };
308 
309 /*
310  * Load equalizer DSP coefficient configurations registers
311  */
312 static void m98088_eq_band(struct snd_soc_component *component, unsigned int dai,
313                    unsigned int band, u16 *coefs)
314 {
315        unsigned int eq_reg;
316        unsigned int i;
317 
318 	if (WARN_ON(band > 4) ||
319 	    WARN_ON(dai > 1))
320 		return;
321 
322        /* Load the base register address */
323        eq_reg = dai ? M98088_REG_84_DAI2_EQ_BASE : M98088_REG_52_DAI1_EQ_BASE;
324 
325        /* Add the band address offset, note adjustment for word address */
326        eq_reg += band * (M98088_COEFS_PER_BAND << 1);
327 
328        /* Step through the registers and coefs */
329        for (i = 0; i < M98088_COEFS_PER_BAND; i++) {
330                snd_soc_component_write(component, eq_reg++, M98088_BYTE1(coefs[i]));
331                snd_soc_component_write(component, eq_reg++, M98088_BYTE0(coefs[i]));
332        }
333 }
334 
335 /*
336  * Excursion limiter modes
337  */
338 static const char *max98088_exmode_texts[] = {
339        "Off", "100Hz", "400Hz", "600Hz", "800Hz", "1000Hz", "200-400Hz",
340        "400-600Hz", "400-800Hz",
341 };
342 
343 static const unsigned int max98088_exmode_values[] = {
344        0x00, 0x43, 0x10, 0x20, 0x30, 0x40, 0x11, 0x22, 0x32
345 };
346 
347 static SOC_VALUE_ENUM_SINGLE_DECL(max98088_exmode_enum,
348 				  M98088_REG_41_SPKDHP, 0, 127,
349 				  max98088_exmode_texts,
350 				  max98088_exmode_values);
351 
352 static const char *max98088_ex_thresh[] = { /* volts PP */
353        "0.6", "1.2", "1.8", "2.4", "3.0", "3.6", "4.2", "4.8"};
354 static SOC_ENUM_SINGLE_DECL(max98088_ex_thresh_enum,
355 			    M98088_REG_42_SPKDHP_THRESH, 0,
356 			    max98088_ex_thresh);
357 
358 static const char *max98088_fltr_mode[] = {"Voice", "Music" };
359 static SOC_ENUM_SINGLE_DECL(max98088_filter_mode_enum,
360 			    M98088_REG_18_DAI1_FILTERS, 7,
361 			    max98088_fltr_mode);
362 
363 static const char *max98088_extmic_text[] = { "None", "MIC1", "MIC2" };
364 
365 static SOC_ENUM_SINGLE_DECL(max98088_extmic_enum,
366 			    M98088_REG_48_CFG_MIC, 0,
367 			    max98088_extmic_text);
368 
369 static const struct snd_kcontrol_new max98088_extmic_mux =
370        SOC_DAPM_ENUM("External MIC Mux", max98088_extmic_enum);
371 
372 static const char *max98088_dai1_fltr[] = {
373        "Off", "fc=258/fs=16k", "fc=500/fs=16k",
374        "fc=258/fs=8k", "fc=500/fs=8k", "fc=200"};
375 static SOC_ENUM_SINGLE_DECL(max98088_dai1_dac_filter_enum,
376 			    M98088_REG_18_DAI1_FILTERS, 0,
377 			    max98088_dai1_fltr);
378 static SOC_ENUM_SINGLE_DECL(max98088_dai1_adc_filter_enum,
379 			    M98088_REG_18_DAI1_FILTERS, 4,
380 			    max98088_dai1_fltr);
381 
382 static int max98088_mic1pre_set(struct snd_kcontrol *kcontrol,
383                                struct snd_ctl_elem_value *ucontrol)
384 {
385        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
386        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
387        unsigned int sel = ucontrol->value.integer.value[0];
388 
389        max98088->mic1pre = sel;
390        snd_soc_component_update_bits(component, M98088_REG_35_LVL_MIC1, M98088_MICPRE_MASK,
391                (1+sel)<<M98088_MICPRE_SHIFT);
392 
393        return 0;
394 }
395 
396 static int max98088_mic1pre_get(struct snd_kcontrol *kcontrol,
397                                struct snd_ctl_elem_value *ucontrol)
398 {
399        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
400        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
401 
402        ucontrol->value.integer.value[0] = max98088->mic1pre;
403        return 0;
404 }
405 
406 static int max98088_mic2pre_set(struct snd_kcontrol *kcontrol,
407                                struct snd_ctl_elem_value *ucontrol)
408 {
409        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
410        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
411        unsigned int sel = ucontrol->value.integer.value[0];
412 
413        max98088->mic2pre = sel;
414        snd_soc_component_update_bits(component, M98088_REG_36_LVL_MIC2, M98088_MICPRE_MASK,
415                (1+sel)<<M98088_MICPRE_SHIFT);
416 
417        return 0;
418 }
419 
420 static int max98088_mic2pre_get(struct snd_kcontrol *kcontrol,
421                                struct snd_ctl_elem_value *ucontrol)
422 {
423        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
424        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
425 
426        ucontrol->value.integer.value[0] = max98088->mic2pre;
427        return 0;
428 }
429 
430 static const DECLARE_TLV_DB_RANGE(max98088_micboost_tlv,
431 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
432 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
433 );
434 
435 static const DECLARE_TLV_DB_RANGE(max98088_hp_tlv,
436 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
437 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
438 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
439 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
440 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
441 );
442 
443 static const DECLARE_TLV_DB_RANGE(max98088_spk_tlv,
444 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
445 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
446 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
447 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
448 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
449 );
450 
451 static const struct snd_kcontrol_new max98088_snd_controls[] = {
452 
453 	SOC_DOUBLE_R_TLV("Headphone Volume", M98088_REG_39_LVL_HP_L,
454 			 M98088_REG_3A_LVL_HP_R, 0, 31, 0, max98088_hp_tlv),
455 	SOC_DOUBLE_R_TLV("Speaker Volume", M98088_REG_3D_LVL_SPK_L,
456 			 M98088_REG_3E_LVL_SPK_R, 0, 31, 0, max98088_spk_tlv),
457 	SOC_DOUBLE_R_TLV("Receiver Volume", M98088_REG_3B_LVL_REC_L,
458 			 M98088_REG_3C_LVL_REC_R, 0, 31, 0, max98088_spk_tlv),
459 
460        SOC_DOUBLE_R("Headphone Switch", M98088_REG_39_LVL_HP_L,
461                M98088_REG_3A_LVL_HP_R, 7, 1, 1),
462        SOC_DOUBLE_R("Speaker Switch", M98088_REG_3D_LVL_SPK_L,
463                M98088_REG_3E_LVL_SPK_R, 7, 1, 1),
464        SOC_DOUBLE_R("Receiver Switch", M98088_REG_3B_LVL_REC_L,
465                M98088_REG_3C_LVL_REC_R, 7, 1, 1),
466 
467        SOC_SINGLE("MIC1 Volume", M98088_REG_35_LVL_MIC1, 0, 31, 1),
468        SOC_SINGLE("MIC2 Volume", M98088_REG_36_LVL_MIC2, 0, 31, 1),
469 
470        SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
471                        M98088_REG_35_LVL_MIC1, 5, 2, 0,
472                        max98088_mic1pre_get, max98088_mic1pre_set,
473                        max98088_micboost_tlv),
474        SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
475                        M98088_REG_36_LVL_MIC2, 5, 2, 0,
476                        max98088_mic2pre_get, max98088_mic2pre_set,
477                        max98088_micboost_tlv),
478 
479        SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1),
480        SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1),
481 
482        SOC_SINGLE("ADCL Volume", M98088_REG_33_LVL_ADC_L, 0, 15, 0),
483        SOC_SINGLE("ADCR Volume", M98088_REG_34_LVL_ADC_R, 0, 15, 0),
484 
485        SOC_SINGLE("ADCL Boost Volume", M98088_REG_33_LVL_ADC_L, 4, 3, 0),
486        SOC_SINGLE("ADCR Boost Volume", M98088_REG_34_LVL_ADC_R, 4, 3, 0),
487 
488        SOC_SINGLE("EQ1 Switch", M98088_REG_49_CFG_LEVEL, 0, 1, 0),
489        SOC_SINGLE("EQ2 Switch", M98088_REG_49_CFG_LEVEL, 1, 1, 0),
490 
491        SOC_ENUM("EX Limiter Mode", max98088_exmode_enum),
492        SOC_ENUM("EX Limiter Threshold", max98088_ex_thresh_enum),
493 
494        SOC_ENUM("DAI1 Filter Mode", max98088_filter_mode_enum),
495        SOC_ENUM("DAI1 DAC Filter", max98088_dai1_dac_filter_enum),
496        SOC_ENUM("DAI1 ADC Filter", max98088_dai1_adc_filter_enum),
497        SOC_SINGLE("DAI2 DC Block Switch", M98088_REG_20_DAI2_FILTERS,
498                0, 1, 0),
499 
500        SOC_SINGLE("ALC Switch", M98088_REG_43_SPKALC_COMP, 7, 1, 0),
501        SOC_SINGLE("ALC Threshold", M98088_REG_43_SPKALC_COMP, 0, 7, 0),
502        SOC_SINGLE("ALC Multiband", M98088_REG_43_SPKALC_COMP, 3, 1, 0),
503        SOC_SINGLE("ALC Release Time", M98088_REG_43_SPKALC_COMP, 4, 7, 0),
504 
505        SOC_SINGLE("PWR Limiter Threshold", M98088_REG_44_PWRLMT_CFG,
506                4, 15, 0),
507        SOC_SINGLE("PWR Limiter Weight", M98088_REG_44_PWRLMT_CFG, 0, 7, 0),
508        SOC_SINGLE("PWR Limiter Time1", M98088_REG_45_PWRLMT_TIME, 0, 15, 0),
509        SOC_SINGLE("PWR Limiter Time2", M98088_REG_45_PWRLMT_TIME, 4, 15, 0),
510 
511        SOC_SINGLE("THD Limiter Threshold", M98088_REG_46_THDLMT_CFG, 4, 15, 0),
512        SOC_SINGLE("THD Limiter Time", M98088_REG_46_THDLMT_CFG, 0, 7, 0),
513 };
514 
515 /* Left speaker mixer switch */
516 static const struct snd_kcontrol_new max98088_left_speaker_mixer_controls[] = {
517        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
518        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
519        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 0, 1, 0),
520        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 7, 1, 0),
521        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 5, 1, 0),
522        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 6, 1, 0),
523        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 1, 1, 0),
524        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 2, 1, 0),
525        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2B_MIX_SPK_LEFT, 3, 1, 0),
526        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2B_MIX_SPK_LEFT, 4, 1, 0),
527 };
528 
529 /* Right speaker mixer switch */
530 static const struct snd_kcontrol_new max98088_right_speaker_mixer_controls[] = {
531        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
532        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
533        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 7, 1, 0),
534        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 0, 1, 0),
535        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 5, 1, 0),
536        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 6, 1, 0),
537        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 1, 1, 0),
538        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 2, 1, 0),
539        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 3, 1, 0),
540        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_2C_MIX_SPK_RIGHT, 4, 1, 0),
541 };
542 
543 /* Left headphone mixer switch */
544 static const struct snd_kcontrol_new max98088_left_hp_mixer_controls[] = {
545        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
546        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
547        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 0, 1, 0),
548        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_25_MIX_HP_LEFT, 7, 1, 0),
549        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_25_MIX_HP_LEFT, 5, 1, 0),
550        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_25_MIX_HP_LEFT, 6, 1, 0),
551        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_25_MIX_HP_LEFT, 1, 1, 0),
552        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_25_MIX_HP_LEFT, 2, 1, 0),
553        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_25_MIX_HP_LEFT, 3, 1, 0),
554        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_25_MIX_HP_LEFT, 4, 1, 0),
555 };
556 
557 /* Right headphone mixer switch */
558 static const struct snd_kcontrol_new max98088_right_hp_mixer_controls[] = {
559        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
560        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
561        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 7, 1, 0),
562        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 0, 1, 0),
563        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_26_MIX_HP_RIGHT, 5, 1, 0),
564        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_26_MIX_HP_RIGHT, 6, 1, 0),
565        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_26_MIX_HP_RIGHT, 1, 1, 0),
566        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_26_MIX_HP_RIGHT, 2, 1, 0),
567        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_26_MIX_HP_RIGHT, 3, 1, 0),
568        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_26_MIX_HP_RIGHT, 4, 1, 0),
569 };
570 
571 /* Left earpiece/receiver mixer switch */
572 static const struct snd_kcontrol_new max98088_left_rec_mixer_controls[] = {
573        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
574        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
575        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 0, 1, 0),
576        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_28_MIX_REC_LEFT, 7, 1, 0),
577        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_28_MIX_REC_LEFT, 5, 1, 0),
578        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_28_MIX_REC_LEFT, 6, 1, 0),
579        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_28_MIX_REC_LEFT, 1, 1, 0),
580        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_28_MIX_REC_LEFT, 2, 1, 0),
581        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_28_MIX_REC_LEFT, 3, 1, 0),
582        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_28_MIX_REC_LEFT, 4, 1, 0),
583 };
584 
585 /* Right earpiece/receiver mixer switch */
586 static const struct snd_kcontrol_new max98088_right_rec_mixer_controls[] = {
587        SOC_DAPM_SINGLE("Left DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
588        SOC_DAPM_SINGLE("Right DAC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
589        SOC_DAPM_SINGLE("Left DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 7, 1, 0),
590        SOC_DAPM_SINGLE("Right DAC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 0, 1, 0),
591        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_29_MIX_REC_RIGHT, 5, 1, 0),
592        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_29_MIX_REC_RIGHT, 6, 1, 0),
593        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_29_MIX_REC_RIGHT, 1, 1, 0),
594        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_29_MIX_REC_RIGHT, 2, 1, 0),
595        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_29_MIX_REC_RIGHT, 3, 1, 0),
596        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_29_MIX_REC_RIGHT, 4, 1, 0),
597 };
598 
599 /* Left ADC mixer switch */
600 static const struct snd_kcontrol_new max98088_left_ADC_mixer_controls[] = {
601        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_23_MIX_ADC_LEFT, 7, 1, 0),
602        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_23_MIX_ADC_LEFT, 6, 1, 0),
603        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_23_MIX_ADC_LEFT, 3, 1, 0),
604        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_23_MIX_ADC_LEFT, 2, 1, 0),
605        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_23_MIX_ADC_LEFT, 1, 1, 0),
606        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_23_MIX_ADC_LEFT, 0, 1, 0),
607 };
608 
609 /* Right ADC mixer switch */
610 static const struct snd_kcontrol_new max98088_right_ADC_mixer_controls[] = {
611        SOC_DAPM_SINGLE("MIC1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 7, 1, 0),
612        SOC_DAPM_SINGLE("MIC2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 6, 1, 0),
613        SOC_DAPM_SINGLE("INA1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 3, 1, 0),
614        SOC_DAPM_SINGLE("INA2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 2, 1, 0),
615        SOC_DAPM_SINGLE("INB1 Switch", M98088_REG_24_MIX_ADC_RIGHT, 1, 1, 0),
616        SOC_DAPM_SINGLE("INB2 Switch", M98088_REG_24_MIX_ADC_RIGHT, 0, 1, 0),
617 };
618 
619 static int max98088_mic_event(struct snd_soc_dapm_widget *w,
620                             struct snd_kcontrol *kcontrol, int event)
621 {
622        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
623        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
624 
625        switch (event) {
626        case SND_SOC_DAPM_POST_PMU:
627                if (w->reg == M98088_REG_35_LVL_MIC1) {
628                        snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK,
629                                (1+max98088->mic1pre)<<M98088_MICPRE_SHIFT);
630                } else {
631                        snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK,
632                                (1+max98088->mic2pre)<<M98088_MICPRE_SHIFT);
633                }
634                break;
635        case SND_SOC_DAPM_POST_PMD:
636                snd_soc_component_update_bits(component, w->reg, M98088_MICPRE_MASK, 0);
637                break;
638        default:
639                return -EINVAL;
640        }
641 
642        return 0;
643 }
644 
645 /*
646  * The line inputs are 2-channel stereo inputs with the left
647  * and right channels sharing a common PGA power control signal.
648  */
649 static int max98088_line_pga(struct snd_soc_dapm_widget *w,
650                             int event, int line, u8 channel)
651 {
652        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
653        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
654        u8 *state;
655 
656 	if (WARN_ON(!(channel == 1 || channel == 2)))
657 		return -EINVAL;
658 
659        switch (line) {
660        case LINE_INA:
661                state = &max98088->ina_state;
662                break;
663        case LINE_INB:
664                state = &max98088->inb_state;
665                break;
666        default:
667                return -EINVAL;
668        }
669 
670        switch (event) {
671        case SND_SOC_DAPM_POST_PMU:
672                *state |= channel;
673                snd_soc_component_update_bits(component, w->reg,
674                        (1 << w->shift), (1 << w->shift));
675                break;
676        case SND_SOC_DAPM_POST_PMD:
677                *state &= ~channel;
678                if (*state == 0) {
679                        snd_soc_component_update_bits(component, w->reg,
680                                (1 << w->shift), 0);
681                }
682                break;
683        default:
684                return -EINVAL;
685        }
686 
687        return 0;
688 }
689 
690 static int max98088_pga_ina1_event(struct snd_soc_dapm_widget *w,
691                                   struct snd_kcontrol *k, int event)
692 {
693        return max98088_line_pga(w, event, LINE_INA, 1);
694 }
695 
696 static int max98088_pga_ina2_event(struct snd_soc_dapm_widget *w,
697                                   struct snd_kcontrol *k, int event)
698 {
699        return max98088_line_pga(w, event, LINE_INA, 2);
700 }
701 
702 static int max98088_pga_inb1_event(struct snd_soc_dapm_widget *w,
703                                   struct snd_kcontrol *k, int event)
704 {
705        return max98088_line_pga(w, event, LINE_INB, 1);
706 }
707 
708 static int max98088_pga_inb2_event(struct snd_soc_dapm_widget *w,
709                                   struct snd_kcontrol *k, int event)
710 {
711        return max98088_line_pga(w, event, LINE_INB, 2);
712 }
713 
714 static const struct snd_soc_dapm_widget max98088_dapm_widgets[] = {
715 
716        SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 1, 0),
717        SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98088_REG_4C_PWR_EN_IN, 0, 0),
718 
719        SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
720                M98088_REG_4D_PWR_EN_OUT, 1, 0),
721        SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
722                M98088_REG_4D_PWR_EN_OUT, 0, 0),
723        SND_SOC_DAPM_DAC("DACL2", "Aux Playback",
724                M98088_REG_4D_PWR_EN_OUT, 1, 0),
725        SND_SOC_DAPM_DAC("DACR2", "Aux Playback",
726                M98088_REG_4D_PWR_EN_OUT, 0, 0),
727 
728        SND_SOC_DAPM_PGA("HP Left Out", M98088_REG_4D_PWR_EN_OUT,
729                7, 0, NULL, 0),
730        SND_SOC_DAPM_PGA("HP Right Out", M98088_REG_4D_PWR_EN_OUT,
731                6, 0, NULL, 0),
732 
733        SND_SOC_DAPM_PGA("SPK Left Out", M98088_REG_4D_PWR_EN_OUT,
734                5, 0, NULL, 0),
735        SND_SOC_DAPM_PGA("SPK Right Out", M98088_REG_4D_PWR_EN_OUT,
736                4, 0, NULL, 0),
737 
738        SND_SOC_DAPM_PGA("REC Left Out", M98088_REG_4D_PWR_EN_OUT,
739                3, 0, NULL, 0),
740        SND_SOC_DAPM_PGA("REC Right Out", M98088_REG_4D_PWR_EN_OUT,
741                2, 0, NULL, 0),
742 
743        SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
744                &max98088_extmic_mux),
745 
746        SND_SOC_DAPM_MIXER("Left HP Mixer", SND_SOC_NOPM, 0, 0,
747                &max98088_left_hp_mixer_controls[0],
748                ARRAY_SIZE(max98088_left_hp_mixer_controls)),
749 
750        SND_SOC_DAPM_MIXER("Right HP Mixer", SND_SOC_NOPM, 0, 0,
751                &max98088_right_hp_mixer_controls[0],
752                ARRAY_SIZE(max98088_right_hp_mixer_controls)),
753 
754        SND_SOC_DAPM_MIXER("Left SPK Mixer", SND_SOC_NOPM, 0, 0,
755                &max98088_left_speaker_mixer_controls[0],
756                ARRAY_SIZE(max98088_left_speaker_mixer_controls)),
757 
758        SND_SOC_DAPM_MIXER("Right SPK Mixer", SND_SOC_NOPM, 0, 0,
759                &max98088_right_speaker_mixer_controls[0],
760                ARRAY_SIZE(max98088_right_speaker_mixer_controls)),
761 
762        SND_SOC_DAPM_MIXER("Left REC Mixer", SND_SOC_NOPM, 0, 0,
763          &max98088_left_rec_mixer_controls[0],
764                ARRAY_SIZE(max98088_left_rec_mixer_controls)),
765 
766        SND_SOC_DAPM_MIXER("Right REC Mixer", SND_SOC_NOPM, 0, 0,
767          &max98088_right_rec_mixer_controls[0],
768                ARRAY_SIZE(max98088_right_rec_mixer_controls)),
769 
770        SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
771                &max98088_left_ADC_mixer_controls[0],
772                ARRAY_SIZE(max98088_left_ADC_mixer_controls)),
773 
774        SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
775                &max98088_right_ADC_mixer_controls[0],
776                ARRAY_SIZE(max98088_right_ADC_mixer_controls)),
777 
778        SND_SOC_DAPM_PGA_E("MIC1 Input", M98088_REG_35_LVL_MIC1,
779                5, 0, NULL, 0, max98088_mic_event,
780                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
781 
782        SND_SOC_DAPM_PGA_E("MIC2 Input", M98088_REG_36_LVL_MIC2,
783                5, 0, NULL, 0, max98088_mic_event,
784                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
785 
786        SND_SOC_DAPM_PGA_E("INA1 Input", M98088_REG_4C_PWR_EN_IN,
787                7, 0, NULL, 0, max98088_pga_ina1_event,
788                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
789 
790        SND_SOC_DAPM_PGA_E("INA2 Input", M98088_REG_4C_PWR_EN_IN,
791                7, 0, NULL, 0, max98088_pga_ina2_event,
792                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
793 
794        SND_SOC_DAPM_PGA_E("INB1 Input", M98088_REG_4C_PWR_EN_IN,
795                6, 0, NULL, 0, max98088_pga_inb1_event,
796                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
797 
798        SND_SOC_DAPM_PGA_E("INB2 Input", M98088_REG_4C_PWR_EN_IN,
799                6, 0, NULL, 0, max98088_pga_inb2_event,
800                SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
801 
802        SND_SOC_DAPM_MICBIAS("MICBIAS", M98088_REG_4C_PWR_EN_IN, 3, 0),
803 
804        SND_SOC_DAPM_OUTPUT("HPL"),
805        SND_SOC_DAPM_OUTPUT("HPR"),
806        SND_SOC_DAPM_OUTPUT("SPKL"),
807        SND_SOC_DAPM_OUTPUT("SPKR"),
808        SND_SOC_DAPM_OUTPUT("RECL"),
809        SND_SOC_DAPM_OUTPUT("RECR"),
810 
811        SND_SOC_DAPM_INPUT("MIC1"),
812        SND_SOC_DAPM_INPUT("MIC2"),
813        SND_SOC_DAPM_INPUT("INA1"),
814        SND_SOC_DAPM_INPUT("INA2"),
815        SND_SOC_DAPM_INPUT("INB1"),
816        SND_SOC_DAPM_INPUT("INB2"),
817 };
818 
819 static const struct snd_soc_dapm_route max98088_audio_map[] = {
820        /* Left headphone output mixer */
821        {"Left HP Mixer", "Left DAC1 Switch", "DACL1"},
822        {"Left HP Mixer", "Left DAC2 Switch", "DACL2"},
823        {"Left HP Mixer", "Right DAC1 Switch", "DACR1"},
824        {"Left HP Mixer", "Right DAC2 Switch", "DACR2"},
825        {"Left HP Mixer", "MIC1 Switch", "MIC1 Input"},
826        {"Left HP Mixer", "MIC2 Switch", "MIC2 Input"},
827        {"Left HP Mixer", "INA1 Switch", "INA1 Input"},
828        {"Left HP Mixer", "INA2 Switch", "INA2 Input"},
829        {"Left HP Mixer", "INB1 Switch", "INB1 Input"},
830        {"Left HP Mixer", "INB2 Switch", "INB2 Input"},
831 
832        /* Right headphone output mixer */
833        {"Right HP Mixer", "Left DAC1 Switch", "DACL1"},
834        {"Right HP Mixer", "Left DAC2 Switch", "DACL2"  },
835        {"Right HP Mixer", "Right DAC1 Switch", "DACR1"},
836        {"Right HP Mixer", "Right DAC2 Switch", "DACR2"},
837        {"Right HP Mixer", "MIC1 Switch", "MIC1 Input"},
838        {"Right HP Mixer", "MIC2 Switch", "MIC2 Input"},
839        {"Right HP Mixer", "INA1 Switch", "INA1 Input"},
840        {"Right HP Mixer", "INA2 Switch", "INA2 Input"},
841        {"Right HP Mixer", "INB1 Switch", "INB1 Input"},
842        {"Right HP Mixer", "INB2 Switch", "INB2 Input"},
843 
844        /* Left speaker output mixer */
845        {"Left SPK Mixer", "Left DAC1 Switch", "DACL1"},
846        {"Left SPK Mixer", "Left DAC2 Switch", "DACL2"},
847        {"Left SPK Mixer", "Right DAC1 Switch", "DACR1"},
848        {"Left SPK Mixer", "Right DAC2 Switch", "DACR2"},
849        {"Left SPK Mixer", "MIC1 Switch", "MIC1 Input"},
850        {"Left SPK Mixer", "MIC2 Switch", "MIC2 Input"},
851        {"Left SPK Mixer", "INA1 Switch", "INA1 Input"},
852        {"Left SPK Mixer", "INA2 Switch", "INA2 Input"},
853        {"Left SPK Mixer", "INB1 Switch", "INB1 Input"},
854        {"Left SPK Mixer", "INB2 Switch", "INB2 Input"},
855 
856        /* Right speaker output mixer */
857        {"Right SPK Mixer", "Left DAC1 Switch", "DACL1"},
858        {"Right SPK Mixer", "Left DAC2 Switch", "DACL2"},
859        {"Right SPK Mixer", "Right DAC1 Switch", "DACR1"},
860        {"Right SPK Mixer", "Right DAC2 Switch", "DACR2"},
861        {"Right SPK Mixer", "MIC1 Switch", "MIC1 Input"},
862        {"Right SPK Mixer", "MIC2 Switch", "MIC2 Input"},
863        {"Right SPK Mixer", "INA1 Switch", "INA1 Input"},
864        {"Right SPK Mixer", "INA2 Switch", "INA2 Input"},
865        {"Right SPK Mixer", "INB1 Switch", "INB1 Input"},
866        {"Right SPK Mixer", "INB2 Switch", "INB2 Input"},
867 
868        /* Earpiece/Receiver output mixer */
869        {"Left REC Mixer", "Left DAC1 Switch", "DACL1"},
870        {"Left REC Mixer", "Left DAC2 Switch", "DACL2"},
871        {"Left REC Mixer", "Right DAC1 Switch", "DACR1"},
872        {"Left REC Mixer", "Right DAC2 Switch", "DACR2"},
873        {"Left REC Mixer", "MIC1 Switch", "MIC1 Input"},
874        {"Left REC Mixer", "MIC2 Switch", "MIC2 Input"},
875        {"Left REC Mixer", "INA1 Switch", "INA1 Input"},
876        {"Left REC Mixer", "INA2 Switch", "INA2 Input"},
877        {"Left REC Mixer", "INB1 Switch", "INB1 Input"},
878        {"Left REC Mixer", "INB2 Switch", "INB2 Input"},
879 
880        /* Earpiece/Receiver output mixer */
881        {"Right REC Mixer", "Left DAC1 Switch", "DACL1"},
882        {"Right REC Mixer", "Left DAC2 Switch", "DACL2"},
883        {"Right REC Mixer", "Right DAC1 Switch", "DACR1"},
884        {"Right REC Mixer", "Right DAC2 Switch", "DACR2"},
885        {"Right REC Mixer", "MIC1 Switch", "MIC1 Input"},
886        {"Right REC Mixer", "MIC2 Switch", "MIC2 Input"},
887        {"Right REC Mixer", "INA1 Switch", "INA1 Input"},
888        {"Right REC Mixer", "INA2 Switch", "INA2 Input"},
889        {"Right REC Mixer", "INB1 Switch", "INB1 Input"},
890        {"Right REC Mixer", "INB2 Switch", "INB2 Input"},
891 
892        {"HP Left Out", NULL, "Left HP Mixer"},
893        {"HP Right Out", NULL, "Right HP Mixer"},
894        {"SPK Left Out", NULL, "Left SPK Mixer"},
895        {"SPK Right Out", NULL, "Right SPK Mixer"},
896        {"REC Left Out", NULL, "Left REC Mixer"},
897        {"REC Right Out", NULL, "Right REC Mixer"},
898 
899        {"HPL", NULL, "HP Left Out"},
900        {"HPR", NULL, "HP Right Out"},
901        {"SPKL", NULL, "SPK Left Out"},
902        {"SPKR", NULL, "SPK Right Out"},
903        {"RECL", NULL, "REC Left Out"},
904        {"RECR", NULL, "REC Right Out"},
905 
906        /* Left ADC input mixer */
907        {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
908        {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
909        {"Left ADC Mixer", "INA1 Switch", "INA1 Input"},
910        {"Left ADC Mixer", "INA2 Switch", "INA2 Input"},
911        {"Left ADC Mixer", "INB1 Switch", "INB1 Input"},
912        {"Left ADC Mixer", "INB2 Switch", "INB2 Input"},
913 
914        /* Right ADC input mixer */
915        {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
916        {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
917        {"Right ADC Mixer", "INA1 Switch", "INA1 Input"},
918        {"Right ADC Mixer", "INA2 Switch", "INA2 Input"},
919        {"Right ADC Mixer", "INB1 Switch", "INB1 Input"},
920        {"Right ADC Mixer", "INB2 Switch", "INB2 Input"},
921 
922        /* Inputs */
923        {"ADCL", NULL, "Left ADC Mixer"},
924        {"ADCR", NULL, "Right ADC Mixer"},
925        {"INA1 Input", NULL, "INA1"},
926        {"INA2 Input", NULL, "INA2"},
927        {"INB1 Input", NULL, "INB1"},
928        {"INB2 Input", NULL, "INB2"},
929        {"MIC1 Input", NULL, "MIC1"},
930        {"MIC2 Input", NULL, "MIC2"},
931 };
932 
933 /* codec mclk clock divider coefficients */
934 static const struct {
935        u32 rate;
936        u8  sr;
937 } rate_table[] = {
938        {8000,  0x10},
939        {11025, 0x20},
940        {16000, 0x30},
941        {22050, 0x40},
942        {24000, 0x50},
943        {32000, 0x60},
944        {44100, 0x70},
945        {48000, 0x80},
946        {88200, 0x90},
947        {96000, 0xA0},
948 };
949 
950 static inline int rate_value(int rate, u8 *value)
951 {
952        int i;
953 
954        for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
955                if (rate_table[i].rate >= rate) {
956                        *value = rate_table[i].sr;
957                        return 0;
958                }
959        }
960        *value = rate_table[0].sr;
961        return -EINVAL;
962 }
963 
964 static int max98088_dai1_hw_params(struct snd_pcm_substream *substream,
965                                   struct snd_pcm_hw_params *params,
966                                   struct snd_soc_dai *dai)
967 {
968        struct snd_soc_component *component = dai->component;
969        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
970        struct max98088_cdata *cdata;
971        unsigned long long ni;
972        unsigned int rate;
973        u8 regval;
974 
975        cdata = &max98088->dai[0];
976 
977        rate = params_rate(params);
978 
979        switch (params_width(params)) {
980        case 16:
981                snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
982                        M98088_DAI_WS, 0);
983                break;
984        case 24:
985                snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
986                        M98088_DAI_WS, M98088_DAI_WS);
987                break;
988        default:
989                return -EINVAL;
990        }
991 
992        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
993 
994        if (rate_value(rate, &regval))
995                return -EINVAL;
996 
997        snd_soc_component_update_bits(component, M98088_REG_11_DAI1_CLKMODE,
998                M98088_CLKMODE_MASK, regval);
999        cdata->rate = rate;
1000 
1001        /* Configure NI when operating as master */
1002        if (snd_soc_component_read32(component, M98088_REG_14_DAI1_FORMAT)
1003                & M98088_DAI_MAS) {
1004                if (max98088->sysclk == 0) {
1005                        dev_err(component->dev, "Invalid system clock frequency\n");
1006                        return -EINVAL;
1007                }
1008                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1009                                * (unsigned long long int)rate;
1010                do_div(ni, (unsigned long long int)max98088->sysclk);
1011                snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI,
1012                        (ni >> 8) & 0x7F);
1013                snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO,
1014                        ni & 0xFF);
1015        }
1016 
1017        /* Update sample rate mode */
1018        if (rate < 50000)
1019                snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS,
1020                        M98088_DAI_DHF, 0);
1021        else
1022                snd_soc_component_update_bits(component, M98088_REG_18_DAI1_FILTERS,
1023                        M98088_DAI_DHF, M98088_DAI_DHF);
1024 
1025        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1026                M98088_SHDNRUN);
1027 
1028        return 0;
1029 }
1030 
1031 static int max98088_dai2_hw_params(struct snd_pcm_substream *substream,
1032                                   struct snd_pcm_hw_params *params,
1033                                   struct snd_soc_dai *dai)
1034 {
1035        struct snd_soc_component *component = dai->component;
1036        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1037        struct max98088_cdata *cdata;
1038        unsigned long long ni;
1039        unsigned int rate;
1040        u8 regval;
1041 
1042        cdata = &max98088->dai[1];
1043 
1044        rate = params_rate(params);
1045 
1046        switch (params_width(params)) {
1047        case 16:
1048                snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1049                        M98088_DAI_WS, 0);
1050                break;
1051        case 24:
1052                snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1053                        M98088_DAI_WS, M98088_DAI_WS);
1054                break;
1055        default:
1056                return -EINVAL;
1057        }
1058 
1059        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN, 0);
1060 
1061        if (rate_value(rate, &regval))
1062                return -EINVAL;
1063 
1064        snd_soc_component_update_bits(component, M98088_REG_19_DAI2_CLKMODE,
1065                M98088_CLKMODE_MASK, regval);
1066        cdata->rate = rate;
1067 
1068        /* Configure NI when operating as master */
1069        if (snd_soc_component_read32(component, M98088_REG_1C_DAI2_FORMAT)
1070                & M98088_DAI_MAS) {
1071                if (max98088->sysclk == 0) {
1072                        dev_err(component->dev, "Invalid system clock frequency\n");
1073                        return -EINVAL;
1074                }
1075                ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1076                                * (unsigned long long int)rate;
1077                do_div(ni, (unsigned long long int)max98088->sysclk);
1078                snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI,
1079                        (ni >> 8) & 0x7F);
1080                snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO,
1081                        ni & 0xFF);
1082        }
1083 
1084        /* Update sample rate mode */
1085        if (rate < 50000)
1086                snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS,
1087                        M98088_DAI_DHF, 0);
1088        else
1089                snd_soc_component_update_bits(component, M98088_REG_20_DAI2_FILTERS,
1090                        M98088_DAI_DHF, M98088_DAI_DHF);
1091 
1092        snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS, M98088_SHDNRUN,
1093                M98088_SHDNRUN);
1094 
1095        return 0;
1096 }
1097 
1098 static int max98088_dai_set_sysclk(struct snd_soc_dai *dai,
1099                                   int clk_id, unsigned int freq, int dir)
1100 {
1101        struct snd_soc_component *component = dai->component;
1102        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1103 
1104        /* Requested clock frequency is already setup */
1105        if (freq == max98088->sysclk)
1106                return 0;
1107 
1108 	if (!IS_ERR(max98088->mclk)) {
1109 		freq = clk_round_rate(max98088->mclk, freq);
1110 		clk_set_rate(max98088->mclk, freq);
1111 	}
1112 
1113        /* Setup clocks for slave mode, and using the PLL
1114         * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1115         *         0x02 (when master clk is 20MHz to 30MHz)..
1116         */
1117        if ((freq >= 10000000) && (freq < 20000000)) {
1118                snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x10);
1119        } else if ((freq >= 20000000) && (freq < 30000000)) {
1120                snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x20);
1121        } else {
1122                dev_err(component->dev, "Invalid master clock frequency\n");
1123                return -EINVAL;
1124        }
1125 
1126        if (snd_soc_component_read32(component, M98088_REG_51_PWR_SYS)  & M98088_SHDNRUN) {
1127                snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS,
1128                        M98088_SHDNRUN, 0);
1129                snd_soc_component_update_bits(component, M98088_REG_51_PWR_SYS,
1130                        M98088_SHDNRUN, M98088_SHDNRUN);
1131        }
1132 
1133        dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1134 
1135        max98088->sysclk = freq;
1136        return 0;
1137 }
1138 
1139 static int max98088_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1140                                 unsigned int fmt)
1141 {
1142        struct snd_soc_component *component = codec_dai->component;
1143        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1144        struct max98088_cdata *cdata;
1145        u8 reg15val;
1146        u8 reg14val = 0;
1147 
1148        cdata = &max98088->dai[0];
1149 
1150        if (fmt != cdata->fmt) {
1151                cdata->fmt = fmt;
1152 
1153                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1154                case SND_SOC_DAIFMT_CBS_CFS:
1155                        /* Slave mode PLL */
1156                        snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI,
1157                                0x80);
1158                        snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO,
1159                                0x00);
1160                        break;
1161                case SND_SOC_DAIFMT_CBM_CFM:
1162                        /* Set to master mode */
1163                        reg14val |= M98088_DAI_MAS;
1164                        break;
1165                case SND_SOC_DAIFMT_CBS_CFM:
1166                case SND_SOC_DAIFMT_CBM_CFS:
1167                default:
1168                        dev_err(component->dev, "Clock mode unsupported");
1169                        return -EINVAL;
1170                }
1171 
1172                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1173                case SND_SOC_DAIFMT_I2S:
1174                        reg14val |= M98088_DAI_DLY;
1175                        break;
1176                case SND_SOC_DAIFMT_LEFT_J:
1177                        break;
1178                default:
1179                        return -EINVAL;
1180                }
1181 
1182                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1183                case SND_SOC_DAIFMT_NB_NF:
1184                        break;
1185                case SND_SOC_DAIFMT_NB_IF:
1186                        reg14val |= M98088_DAI_WCI;
1187                        break;
1188                case SND_SOC_DAIFMT_IB_NF:
1189                        reg14val |= M98088_DAI_BCI;
1190                        break;
1191                case SND_SOC_DAIFMT_IB_IF:
1192                        reg14val |= M98088_DAI_BCI|M98088_DAI_WCI;
1193                        break;
1194                default:
1195                        return -EINVAL;
1196                }
1197 
1198                snd_soc_component_update_bits(component, M98088_REG_14_DAI1_FORMAT,
1199                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1200                        M98088_DAI_WCI, reg14val);
1201 
1202                reg15val = M98088_DAI_BSEL64;
1203                if (max98088->digmic)
1204                        reg15val |= M98088_DAI_OSR64;
1205                snd_soc_component_write(component, M98088_REG_15_DAI1_CLOCK, reg15val);
1206        }
1207 
1208        return 0;
1209 }
1210 
1211 static int max98088_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1212                                 unsigned int fmt)
1213 {
1214        struct snd_soc_component *component = codec_dai->component;
1215        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1216        struct max98088_cdata *cdata;
1217        u8 reg1Cval = 0;
1218 
1219        cdata = &max98088->dai[1];
1220 
1221        if (fmt != cdata->fmt) {
1222                cdata->fmt = fmt;
1223 
1224                switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1225                case SND_SOC_DAIFMT_CBS_CFS:
1226                        /* Slave mode PLL */
1227                        snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI,
1228                                0x80);
1229                        snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO,
1230                                0x00);
1231                        break;
1232                case SND_SOC_DAIFMT_CBM_CFM:
1233                        /* Set to master mode */
1234                        reg1Cval |= M98088_DAI_MAS;
1235                        break;
1236                case SND_SOC_DAIFMT_CBS_CFM:
1237                case SND_SOC_DAIFMT_CBM_CFS:
1238                default:
1239                        dev_err(component->dev, "Clock mode unsupported");
1240                        return -EINVAL;
1241                }
1242 
1243                switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1244                case SND_SOC_DAIFMT_I2S:
1245                        reg1Cval |= M98088_DAI_DLY;
1246                        break;
1247                case SND_SOC_DAIFMT_LEFT_J:
1248                        break;
1249                default:
1250                        return -EINVAL;
1251                }
1252 
1253                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1254                case SND_SOC_DAIFMT_NB_NF:
1255                        break;
1256                case SND_SOC_DAIFMT_NB_IF:
1257                        reg1Cval |= M98088_DAI_WCI;
1258                        break;
1259                case SND_SOC_DAIFMT_IB_NF:
1260                        reg1Cval |= M98088_DAI_BCI;
1261                        break;
1262                case SND_SOC_DAIFMT_IB_IF:
1263                        reg1Cval |= M98088_DAI_BCI|M98088_DAI_WCI;
1264                        break;
1265                default:
1266                        return -EINVAL;
1267                }
1268 
1269                snd_soc_component_update_bits(component, M98088_REG_1C_DAI2_FORMAT,
1270                        M98088_DAI_MAS | M98088_DAI_DLY | M98088_DAI_BCI |
1271                        M98088_DAI_WCI, reg1Cval);
1272 
1273                snd_soc_component_write(component, M98088_REG_1D_DAI2_CLOCK,
1274                        M98088_DAI_BSEL64);
1275        }
1276 
1277        return 0;
1278 }
1279 
1280 static int max98088_dai1_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1281 {
1282        struct snd_soc_component *component = codec_dai->component;
1283        int reg;
1284 
1285        if (mute)
1286                reg = M98088_DAI_MUTE;
1287        else
1288                reg = 0;
1289 
1290        snd_soc_component_update_bits(component, M98088_REG_2F_LVL_DAI1_PLAY,
1291                            M98088_DAI_MUTE_MASK, reg);
1292        return 0;
1293 }
1294 
1295 static int max98088_dai2_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1296 {
1297        struct snd_soc_component *component = codec_dai->component;
1298        int reg;
1299 
1300        if (mute)
1301                reg = M98088_DAI_MUTE;
1302        else
1303                reg = 0;
1304 
1305        snd_soc_component_update_bits(component, M98088_REG_31_LVL_DAI2_PLAY,
1306                            M98088_DAI_MUTE_MASK, reg);
1307        return 0;
1308 }
1309 
1310 static int max98088_set_bias_level(struct snd_soc_component *component,
1311                                   enum snd_soc_bias_level level)
1312 {
1313 	struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1314 
1315 	switch (level) {
1316 	case SND_SOC_BIAS_ON:
1317 		break;
1318 
1319 	case SND_SOC_BIAS_PREPARE:
1320 		/*
1321 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1322 		 * transition to ON or away from ON. If current bias_level
1323 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1324 		 * away from ON. Disable the clock in that case, otherwise
1325 		 * enable it.
1326 		 */
1327 		if (!IS_ERR(max98088->mclk)) {
1328 			if (snd_soc_component_get_bias_level(component) ==
1329 			    SND_SOC_BIAS_ON)
1330 				clk_disable_unprepare(max98088->mclk);
1331 			else
1332 				clk_prepare_enable(max98088->mclk);
1333 		}
1334 		break;
1335 
1336 	case SND_SOC_BIAS_STANDBY:
1337 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1338 			regcache_sync(max98088->regmap);
1339 
1340 		snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN,
1341 				   M98088_MBEN, M98088_MBEN);
1342 		break;
1343 
1344 	case SND_SOC_BIAS_OFF:
1345 		snd_soc_component_update_bits(component, M98088_REG_4C_PWR_EN_IN,
1346 				    M98088_MBEN, 0);
1347 		regcache_mark_dirty(max98088->regmap);
1348 		break;
1349 	}
1350 	return 0;
1351 }
1352 
1353 #define MAX98088_RATES SNDRV_PCM_RATE_8000_96000
1354 #define MAX98088_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1355 
1356 static const struct snd_soc_dai_ops max98088_dai1_ops = {
1357        .set_sysclk = max98088_dai_set_sysclk,
1358        .set_fmt = max98088_dai1_set_fmt,
1359        .hw_params = max98088_dai1_hw_params,
1360        .digital_mute = max98088_dai1_digital_mute,
1361 };
1362 
1363 static const struct snd_soc_dai_ops max98088_dai2_ops = {
1364        .set_sysclk = max98088_dai_set_sysclk,
1365        .set_fmt = max98088_dai2_set_fmt,
1366        .hw_params = max98088_dai2_hw_params,
1367        .digital_mute = max98088_dai2_digital_mute,
1368 };
1369 
1370 static struct snd_soc_dai_driver max98088_dai[] = {
1371 {
1372        .name = "HiFi",
1373        .playback = {
1374                .stream_name = "HiFi Playback",
1375                .channels_min = 1,
1376                .channels_max = 2,
1377                .rates = MAX98088_RATES,
1378                .formats = MAX98088_FORMATS,
1379        },
1380        .capture = {
1381                .stream_name = "HiFi Capture",
1382                .channels_min = 1,
1383                .channels_max = 2,
1384                .rates = MAX98088_RATES,
1385                .formats = MAX98088_FORMATS,
1386        },
1387         .ops = &max98088_dai1_ops,
1388 },
1389 {
1390        .name = "Aux",
1391        .playback = {
1392                .stream_name = "Aux Playback",
1393                .channels_min = 1,
1394                .channels_max = 2,
1395                .rates = MAX98088_RATES,
1396                .formats = MAX98088_FORMATS,
1397        },
1398        .ops = &max98088_dai2_ops,
1399 }
1400 };
1401 
1402 static const char *eq_mode_name[] = {"EQ1 Mode", "EQ2 Mode"};
1403 
1404 static int max98088_get_channel(struct snd_soc_component *component, const char *name)
1405 {
1406 	int ret;
1407 
1408 	ret = match_string(eq_mode_name, ARRAY_SIZE(eq_mode_name), name);
1409 	if (ret < 0)
1410 		dev_err(component->dev, "Bad EQ channel name '%s'\n", name);
1411 	return ret;
1412 }
1413 
1414 static void max98088_setup_eq1(struct snd_soc_component *component)
1415 {
1416        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1417        struct max98088_pdata *pdata = max98088->pdata;
1418        struct max98088_eq_cfg *coef_set;
1419        int best, best_val, save, i, sel, fs;
1420        struct max98088_cdata *cdata;
1421 
1422        cdata = &max98088->dai[0];
1423 
1424        if (!pdata || !max98088->eq_textcnt)
1425                return;
1426 
1427        /* Find the selected configuration with nearest sample rate */
1428        fs = cdata->rate;
1429        sel = cdata->eq_sel;
1430 
1431        best = 0;
1432        best_val = INT_MAX;
1433        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1434                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1435                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1436                        best = i;
1437                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1438                }
1439        }
1440 
1441        dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1442                pdata->eq_cfg[best].name,
1443                pdata->eq_cfg[best].rate, fs);
1444 
1445        /* Disable EQ while configuring, and save current on/off state */
1446        save = snd_soc_component_read32(component, M98088_REG_49_CFG_LEVEL);
1447        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, 0);
1448 
1449        coef_set = &pdata->eq_cfg[sel];
1450 
1451        m98088_eq_band(component, 0, 0, coef_set->band1);
1452        m98088_eq_band(component, 0, 1, coef_set->band2);
1453        m98088_eq_band(component, 0, 2, coef_set->band3);
1454        m98088_eq_band(component, 0, 3, coef_set->band4);
1455        m98088_eq_band(component, 0, 4, coef_set->band5);
1456 
1457        /* Restore the original on/off state */
1458        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ1EN, save);
1459 }
1460 
1461 static void max98088_setup_eq2(struct snd_soc_component *component)
1462 {
1463        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1464        struct max98088_pdata *pdata = max98088->pdata;
1465        struct max98088_eq_cfg *coef_set;
1466        int best, best_val, save, i, sel, fs;
1467        struct max98088_cdata *cdata;
1468 
1469        cdata = &max98088->dai[1];
1470 
1471        if (!pdata || !max98088->eq_textcnt)
1472                return;
1473 
1474        /* Find the selected configuration with nearest sample rate */
1475        fs = cdata->rate;
1476 
1477        sel = cdata->eq_sel;
1478        best = 0;
1479        best_val = INT_MAX;
1480        for (i = 0; i < pdata->eq_cfgcnt; i++) {
1481                if (strcmp(pdata->eq_cfg[i].name, max98088->eq_texts[sel]) == 0 &&
1482                    abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1483                        best = i;
1484                        best_val = abs(pdata->eq_cfg[i].rate - fs);
1485                }
1486        }
1487 
1488        dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1489                pdata->eq_cfg[best].name,
1490                pdata->eq_cfg[best].rate, fs);
1491 
1492        /* Disable EQ while configuring, and save current on/off state */
1493        save = snd_soc_component_read32(component, M98088_REG_49_CFG_LEVEL);
1494        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN, 0);
1495 
1496        coef_set = &pdata->eq_cfg[sel];
1497 
1498        m98088_eq_band(component, 1, 0, coef_set->band1);
1499        m98088_eq_band(component, 1, 1, coef_set->band2);
1500        m98088_eq_band(component, 1, 2, coef_set->band3);
1501        m98088_eq_band(component, 1, 3, coef_set->band4);
1502        m98088_eq_band(component, 1, 4, coef_set->band5);
1503 
1504        /* Restore the original on/off state */
1505        snd_soc_component_update_bits(component, M98088_REG_49_CFG_LEVEL, M98088_EQ2EN,
1506                save);
1507 }
1508 
1509 static int max98088_put_eq_enum(struct snd_kcontrol *kcontrol,
1510                                 struct snd_ctl_elem_value *ucontrol)
1511 {
1512        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1513        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1514        struct max98088_pdata *pdata = max98088->pdata;
1515        int channel = max98088_get_channel(component, kcontrol->id.name);
1516        struct max98088_cdata *cdata;
1517 	int sel = ucontrol->value.enumerated.item[0];
1518 
1519        if (channel < 0)
1520 	       return channel;
1521 
1522        cdata = &max98088->dai[channel];
1523 
1524        if (sel >= pdata->eq_cfgcnt)
1525                return -EINVAL;
1526 
1527        cdata->eq_sel = sel;
1528 
1529        switch (channel) {
1530        case 0:
1531                max98088_setup_eq1(component);
1532                break;
1533        case 1:
1534                max98088_setup_eq2(component);
1535                break;
1536        }
1537 
1538        return 0;
1539 }
1540 
1541 static int max98088_get_eq_enum(struct snd_kcontrol *kcontrol,
1542                                 struct snd_ctl_elem_value *ucontrol)
1543 {
1544        struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1545        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1546        int channel = max98088_get_channel(component, kcontrol->id.name);
1547        struct max98088_cdata *cdata;
1548 
1549        if (channel < 0)
1550 	       return channel;
1551 
1552        cdata = &max98088->dai[channel];
1553        ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1554        return 0;
1555 }
1556 
1557 static void max98088_handle_eq_pdata(struct snd_soc_component *component)
1558 {
1559        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1560        struct max98088_pdata *pdata = max98088->pdata;
1561        struct max98088_eq_cfg *cfg;
1562        unsigned int cfgcnt;
1563        int i, j;
1564        const char **t;
1565        int ret;
1566        struct snd_kcontrol_new controls[] = {
1567                SOC_ENUM_EXT((char *)eq_mode_name[0],
1568                        max98088->eq_enum,
1569                        max98088_get_eq_enum,
1570                        max98088_put_eq_enum),
1571                SOC_ENUM_EXT((char *)eq_mode_name[1],
1572                        max98088->eq_enum,
1573                        max98088_get_eq_enum,
1574                        max98088_put_eq_enum),
1575        };
1576        BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(eq_mode_name));
1577 
1578        cfg = pdata->eq_cfg;
1579        cfgcnt = pdata->eq_cfgcnt;
1580 
1581        /* Setup an array of texts for the equalizer enum.
1582         * This is based on Mark Brown's equalizer driver code.
1583         */
1584        max98088->eq_textcnt = 0;
1585        max98088->eq_texts = NULL;
1586        for (i = 0; i < cfgcnt; i++) {
1587                for (j = 0; j < max98088->eq_textcnt; j++) {
1588                        if (strcmp(cfg[i].name, max98088->eq_texts[j]) == 0)
1589                                break;
1590                }
1591 
1592                if (j != max98088->eq_textcnt)
1593                        continue;
1594 
1595                /* Expand the array */
1596                t = krealloc(max98088->eq_texts,
1597                             sizeof(char *) * (max98088->eq_textcnt + 1),
1598                             GFP_KERNEL);
1599                if (t == NULL)
1600                        continue;
1601 
1602                /* Store the new entry */
1603                t[max98088->eq_textcnt] = cfg[i].name;
1604                max98088->eq_textcnt++;
1605                max98088->eq_texts = t;
1606        }
1607 
1608        /* Now point the soc_enum to .texts array items */
1609        max98088->eq_enum.texts = max98088->eq_texts;
1610        max98088->eq_enum.items = max98088->eq_textcnt;
1611 
1612        ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
1613        if (ret != 0)
1614                dev_err(component->dev, "Failed to add EQ control: %d\n", ret);
1615 }
1616 
1617 static void max98088_handle_pdata(struct snd_soc_component *component)
1618 {
1619        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1620        struct max98088_pdata *pdata = max98088->pdata;
1621        u8 regval = 0;
1622 
1623        if (!pdata) {
1624                dev_dbg(component->dev, "No platform data\n");
1625                return;
1626        }
1627 
1628        /* Configure mic for analog/digital mic mode */
1629        if (pdata->digmic_left_mode)
1630                regval |= M98088_DIGMIC_L;
1631 
1632        if (pdata->digmic_right_mode)
1633                regval |= M98088_DIGMIC_R;
1634 
1635        max98088->digmic = (regval ? 1 : 0);
1636 
1637        snd_soc_component_write(component, M98088_REG_48_CFG_MIC, regval);
1638 
1639        /* Configure receiver output */
1640        regval = ((pdata->receiver_mode) ? M98088_REC_LINEMODE : 0);
1641        snd_soc_component_update_bits(component, M98088_REG_2A_MIC_REC_CNTL,
1642                M98088_REC_LINEMODE_MASK, regval);
1643 
1644        /* Configure equalizers */
1645        if (pdata->eq_cfgcnt)
1646                max98088_handle_eq_pdata(component);
1647 }
1648 
1649 static int max98088_probe(struct snd_soc_component *component)
1650 {
1651        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1652        struct max98088_cdata *cdata;
1653        int ret = 0;
1654 
1655        regcache_mark_dirty(max98088->regmap);
1656 
1657        /* initialize private data */
1658 
1659        max98088->sysclk = (unsigned)-1;
1660        max98088->eq_textcnt = 0;
1661 
1662        cdata = &max98088->dai[0];
1663        cdata->rate = (unsigned)-1;
1664        cdata->fmt  = (unsigned)-1;
1665        cdata->eq_sel = 0;
1666 
1667        cdata = &max98088->dai[1];
1668        cdata->rate = (unsigned)-1;
1669        cdata->fmt  = (unsigned)-1;
1670        cdata->eq_sel = 0;
1671 
1672        max98088->ina_state = 0;
1673        max98088->inb_state = 0;
1674        max98088->ex_mode = 0;
1675        max98088->digmic = 0;
1676        max98088->mic1pre = 0;
1677        max98088->mic2pre = 0;
1678 
1679        ret = snd_soc_component_read32(component, M98088_REG_FF_REV_ID);
1680        if (ret < 0) {
1681                dev_err(component->dev, "Failed to read device revision: %d\n",
1682                        ret);
1683                goto err_access;
1684        }
1685        dev_info(component->dev, "revision %c\n", ret - 0x40 + 'A');
1686 
1687        snd_soc_component_write(component, M98088_REG_51_PWR_SYS, M98088_PWRSV);
1688 
1689        snd_soc_component_write(component, M98088_REG_0F_IRQ_ENABLE, 0x00);
1690 
1691        snd_soc_component_write(component, M98088_REG_22_MIX_DAC,
1692                M98088_DAI1L_TO_DACL|M98088_DAI2L_TO_DACL|
1693                M98088_DAI1R_TO_DACR|M98088_DAI2R_TO_DACR);
1694 
1695        snd_soc_component_write(component, M98088_REG_4E_BIAS_CNTL, 0xF0);
1696        snd_soc_component_write(component, M98088_REG_50_DAC_BIAS2, 0x0F);
1697 
1698        snd_soc_component_write(component, M98088_REG_16_DAI1_IOCFG,
1699                M98088_S1NORMAL|M98088_SDATA);
1700 
1701        snd_soc_component_write(component, M98088_REG_1E_DAI2_IOCFG,
1702                M98088_S2NORMAL|M98088_SDATA);
1703 
1704        max98088_handle_pdata(component);
1705 
1706 err_access:
1707        return ret;
1708 }
1709 
1710 static void max98088_remove(struct snd_soc_component *component)
1711 {
1712        struct max98088_priv *max98088 = snd_soc_component_get_drvdata(component);
1713 
1714        kfree(max98088->eq_texts);
1715 }
1716 
1717 static const struct snd_soc_component_driver soc_component_dev_max98088 = {
1718 	.probe			= max98088_probe,
1719 	.remove			= max98088_remove,
1720 	.set_bias_level		= max98088_set_bias_level,
1721 	.controls		= max98088_snd_controls,
1722 	.num_controls		= ARRAY_SIZE(max98088_snd_controls),
1723 	.dapm_widgets		= max98088_dapm_widgets,
1724 	.num_dapm_widgets	= ARRAY_SIZE(max98088_dapm_widgets),
1725 	.dapm_routes		= max98088_audio_map,
1726 	.num_dapm_routes	= ARRAY_SIZE(max98088_audio_map),
1727 	.suspend_bias_off	= 1,
1728 	.idle_bias_on		= 1,
1729 	.use_pmdown_time	= 1,
1730 	.endianness		= 1,
1731 	.non_legacy_dai_naming	= 1,
1732 };
1733 
1734 static int max98088_i2c_probe(struct i2c_client *i2c,
1735 			      const struct i2c_device_id *id)
1736 {
1737        struct max98088_priv *max98088;
1738        int ret;
1739 
1740        max98088 = devm_kzalloc(&i2c->dev, sizeof(struct max98088_priv),
1741 			       GFP_KERNEL);
1742        if (max98088 == NULL)
1743                return -ENOMEM;
1744 
1745        max98088->regmap = devm_regmap_init_i2c(i2c, &max98088_regmap);
1746        if (IS_ERR(max98088->regmap))
1747 	       return PTR_ERR(max98088->regmap);
1748 
1749 	max98088->mclk = devm_clk_get(&i2c->dev, "mclk");
1750 	if (IS_ERR(max98088->mclk))
1751 		if (PTR_ERR(max98088->mclk) == -EPROBE_DEFER)
1752 			return PTR_ERR(max98088->mclk);
1753 
1754        max98088->devtype = id->driver_data;
1755 
1756        i2c_set_clientdata(i2c, max98088);
1757        max98088->pdata = i2c->dev.platform_data;
1758 
1759        ret = devm_snd_soc_register_component(&i2c->dev,
1760                        &soc_component_dev_max98088, &max98088_dai[0], 2);
1761        return ret;
1762 }
1763 
1764 static const struct i2c_device_id max98088_i2c_id[] = {
1765        { "max98088", MAX98088 },
1766        { "max98089", MAX98089 },
1767        { }
1768 };
1769 MODULE_DEVICE_TABLE(i2c, max98088_i2c_id);
1770 
1771 #if defined(CONFIG_OF)
1772 static const struct of_device_id max98088_of_match[] = {
1773 	{ .compatible = "maxim,max98088" },
1774 	{ .compatible = "maxim,max98089" },
1775 	{ }
1776 };
1777 MODULE_DEVICE_TABLE(of, max98088_of_match);
1778 #endif
1779 
1780 static struct i2c_driver max98088_i2c_driver = {
1781 	.driver = {
1782 		.name = "max98088",
1783 		.of_match_table = of_match_ptr(max98088_of_match),
1784 	},
1785 	.probe  = max98088_i2c_probe,
1786 	.id_table = max98088_i2c_id,
1787 };
1788 
1789 module_i2c_driver(max98088_i2c_driver);
1790 
1791 MODULE_DESCRIPTION("ALSA SoC MAX98088 driver");
1792 MODULE_AUTHOR("Peter Hsiang, Jesse Marroquin");
1793 MODULE_LICENSE("GPL");
1794