xref: /openbmc/linux/sound/soc/codecs/max98095.c (revision e7bae9bb)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * max98095.c -- MAX98095 ALSA SoC Audio driver
4  *
5  * Copyright 2011 Maxim Integrated Products
6  */
7 
8 #include <linux/module.h>
9 #include <linux/moduleparam.h>
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/delay.h>
13 #include <linux/pm.h>
14 #include <linux/i2c.h>
15 #include <linux/clk.h>
16 #include <linux/mutex.h>
17 #include <sound/core.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/initval.h>
22 #include <sound/tlv.h>
23 #include <linux/slab.h>
24 #include <asm/div64.h>
25 #include <sound/max98095.h>
26 #include <sound/jack.h>
27 #include "max98095.h"
28 
29 enum max98095_type {
30 	MAX98095,
31 };
32 
33 struct max98095_cdata {
34 	unsigned int rate;
35 	unsigned int fmt;
36 	int eq_sel;
37 	int bq_sel;
38 };
39 
40 struct max98095_priv {
41 	struct regmap *regmap;
42 	enum max98095_type devtype;
43 	struct max98095_pdata *pdata;
44 	struct clk *mclk;
45 	unsigned int sysclk;
46 	struct max98095_cdata dai[3];
47 	const char **eq_texts;
48 	const char **bq_texts;
49 	struct soc_enum eq_enum;
50 	struct soc_enum bq_enum;
51 	int eq_textcnt;
52 	int bq_textcnt;
53 	u8 lin_state;
54 	unsigned int mic1pre;
55 	unsigned int mic2pre;
56 	struct snd_soc_jack *headphone_jack;
57 	struct snd_soc_jack *mic_jack;
58 	struct mutex lock;
59 };
60 
61 static const struct reg_default max98095_reg_def[] = {
62 	{  0xf, 0x00 }, /* 0F */
63 	{ 0x10, 0x00 }, /* 10 */
64 	{ 0x11, 0x00 }, /* 11 */
65 	{ 0x12, 0x00 }, /* 12 */
66 	{ 0x13, 0x00 }, /* 13 */
67 	{ 0x14, 0x00 }, /* 14 */
68 	{ 0x15, 0x00 }, /* 15 */
69 	{ 0x16, 0x00 }, /* 16 */
70 	{ 0x17, 0x00 }, /* 17 */
71 	{ 0x18, 0x00 }, /* 18 */
72 	{ 0x19, 0x00 }, /* 19 */
73 	{ 0x1a, 0x00 }, /* 1A */
74 	{ 0x1b, 0x00 }, /* 1B */
75 	{ 0x1c, 0x00 }, /* 1C */
76 	{ 0x1d, 0x00 }, /* 1D */
77 	{ 0x1e, 0x00 }, /* 1E */
78 	{ 0x1f, 0x00 }, /* 1F */
79 	{ 0x20, 0x00 }, /* 20 */
80 	{ 0x21, 0x00 }, /* 21 */
81 	{ 0x22, 0x00 }, /* 22 */
82 	{ 0x23, 0x00 }, /* 23 */
83 	{ 0x24, 0x00 }, /* 24 */
84 	{ 0x25, 0x00 }, /* 25 */
85 	{ 0x26, 0x00 }, /* 26 */
86 	{ 0x27, 0x00 }, /* 27 */
87 	{ 0x28, 0x00 }, /* 28 */
88 	{ 0x29, 0x00 }, /* 29 */
89 	{ 0x2a, 0x00 }, /* 2A */
90 	{ 0x2b, 0x00 }, /* 2B */
91 	{ 0x2c, 0x00 }, /* 2C */
92 	{ 0x2d, 0x00 }, /* 2D */
93 	{ 0x2e, 0x00 }, /* 2E */
94 	{ 0x2f, 0x00 }, /* 2F */
95 	{ 0x30, 0x00 }, /* 30 */
96 	{ 0x31, 0x00 }, /* 31 */
97 	{ 0x32, 0x00 }, /* 32 */
98 	{ 0x33, 0x00 }, /* 33 */
99 	{ 0x34, 0x00 }, /* 34 */
100 	{ 0x35, 0x00 }, /* 35 */
101 	{ 0x36, 0x00 }, /* 36 */
102 	{ 0x37, 0x00 }, /* 37 */
103 	{ 0x38, 0x00 }, /* 38 */
104 	{ 0x39, 0x00 }, /* 39 */
105 	{ 0x3a, 0x00 }, /* 3A */
106 	{ 0x3b, 0x00 }, /* 3B */
107 	{ 0x3c, 0x00 }, /* 3C */
108 	{ 0x3d, 0x00 }, /* 3D */
109 	{ 0x3e, 0x00 }, /* 3E */
110 	{ 0x3f, 0x00 }, /* 3F */
111 	{ 0x40, 0x00 }, /* 40 */
112 	{ 0x41, 0x00 }, /* 41 */
113 	{ 0x42, 0x00 }, /* 42 */
114 	{ 0x43, 0x00 }, /* 43 */
115 	{ 0x44, 0x00 }, /* 44 */
116 	{ 0x45, 0x00 }, /* 45 */
117 	{ 0x46, 0x00 }, /* 46 */
118 	{ 0x47, 0x00 }, /* 47 */
119 	{ 0x48, 0x00 }, /* 48 */
120 	{ 0x49, 0x00 }, /* 49 */
121 	{ 0x4a, 0x00 }, /* 4A */
122 	{ 0x4b, 0x00 }, /* 4B */
123 	{ 0x4c, 0x00 }, /* 4C */
124 	{ 0x4d, 0x00 }, /* 4D */
125 	{ 0x4e, 0x00 }, /* 4E */
126 	{ 0x4f, 0x00 }, /* 4F */
127 	{ 0x50, 0x00 }, /* 50 */
128 	{ 0x51, 0x00 }, /* 51 */
129 	{ 0x52, 0x00 }, /* 52 */
130 	{ 0x53, 0x00 }, /* 53 */
131 	{ 0x54, 0x00 }, /* 54 */
132 	{ 0x55, 0x00 }, /* 55 */
133 	{ 0x56, 0x00 }, /* 56 */
134 	{ 0x57, 0x00 }, /* 57 */
135 	{ 0x58, 0x00 }, /* 58 */
136 	{ 0x59, 0x00 }, /* 59 */
137 	{ 0x5a, 0x00 }, /* 5A */
138 	{ 0x5b, 0x00 }, /* 5B */
139 	{ 0x5c, 0x00 }, /* 5C */
140 	{ 0x5d, 0x00 }, /* 5D */
141 	{ 0x5e, 0x00 }, /* 5E */
142 	{ 0x5f, 0x00 }, /* 5F */
143 	{ 0x60, 0x00 }, /* 60 */
144 	{ 0x61, 0x00 }, /* 61 */
145 	{ 0x62, 0x00 }, /* 62 */
146 	{ 0x63, 0x00 }, /* 63 */
147 	{ 0x64, 0x00 }, /* 64 */
148 	{ 0x65, 0x00 }, /* 65 */
149 	{ 0x66, 0x00 }, /* 66 */
150 	{ 0x67, 0x00 }, /* 67 */
151 	{ 0x68, 0x00 }, /* 68 */
152 	{ 0x69, 0x00 }, /* 69 */
153 	{ 0x6a, 0x00 }, /* 6A */
154 	{ 0x6b, 0x00 }, /* 6B */
155 	{ 0x6c, 0x00 }, /* 6C */
156 	{ 0x6d, 0x00 }, /* 6D */
157 	{ 0x6e, 0x00 }, /* 6E */
158 	{ 0x6f, 0x00 }, /* 6F */
159 	{ 0x70, 0x00 }, /* 70 */
160 	{ 0x71, 0x00 }, /* 71 */
161 	{ 0x72, 0x00 }, /* 72 */
162 	{ 0x73, 0x00 }, /* 73 */
163 	{ 0x74, 0x00 }, /* 74 */
164 	{ 0x75, 0x00 }, /* 75 */
165 	{ 0x76, 0x00 }, /* 76 */
166 	{ 0x77, 0x00 }, /* 77 */
167 	{ 0x78, 0x00 }, /* 78 */
168 	{ 0x79, 0x00 }, /* 79 */
169 	{ 0x7a, 0x00 }, /* 7A */
170 	{ 0x7b, 0x00 }, /* 7B */
171 	{ 0x7c, 0x00 }, /* 7C */
172 	{ 0x7d, 0x00 }, /* 7D */
173 	{ 0x7e, 0x00 }, /* 7E */
174 	{ 0x7f, 0x00 }, /* 7F */
175 	{ 0x80, 0x00 }, /* 80 */
176 	{ 0x81, 0x00 }, /* 81 */
177 	{ 0x82, 0x00 }, /* 82 */
178 	{ 0x83, 0x00 }, /* 83 */
179 	{ 0x84, 0x00 }, /* 84 */
180 	{ 0x85, 0x00 }, /* 85 */
181 	{ 0x86, 0x00 }, /* 86 */
182 	{ 0x87, 0x00 }, /* 87 */
183 	{ 0x88, 0x00 }, /* 88 */
184 	{ 0x89, 0x00 }, /* 89 */
185 	{ 0x8a, 0x00 }, /* 8A */
186 	{ 0x8b, 0x00 }, /* 8B */
187 	{ 0x8c, 0x00 }, /* 8C */
188 	{ 0x8d, 0x00 }, /* 8D */
189 	{ 0x8e, 0x00 }, /* 8E */
190 	{ 0x8f, 0x00 }, /* 8F */
191 	{ 0x90, 0x00 }, /* 90 */
192 	{ 0x91, 0x00 }, /* 91 */
193 	{ 0x92, 0x30 }, /* 92 */
194 	{ 0x93, 0xF0 }, /* 93 */
195 	{ 0x94, 0x00 }, /* 94 */
196 	{ 0x95, 0x00 }, /* 95 */
197 	{ 0x96, 0x3F }, /* 96 */
198 	{ 0x97, 0x00 }, /* 97 */
199 	{ 0xff, 0x00 }, /* FF */
200 };
201 
202 static bool max98095_readable(struct device *dev, unsigned int reg)
203 {
204 	switch (reg) {
205 	case M98095_001_HOST_INT_STS ... M98095_097_PWR_SYS:
206 	case M98095_0FF_REV_ID:
207 		return true;
208 	default:
209 		return false;
210 	}
211 }
212 
213 static bool max98095_writeable(struct device *dev, unsigned int reg)
214 {
215 	switch (reg) {
216 	case M98095_00F_HOST_CFG ... M98095_097_PWR_SYS:
217 		return true;
218 	default:
219 		return false;
220 	}
221 }
222 
223 static bool max98095_volatile(struct device *dev, unsigned int reg)
224 {
225 	switch (reg) {
226 	case M98095_000_HOST_DATA ... M98095_00E_TEMP_SENSOR_STS:
227 	case M98095_REG_MAX_CACHED + 1 ... M98095_0FF_REV_ID:
228 		return true;
229 	default:
230 		return false;
231 	}
232 }
233 
234 static const struct regmap_config max98095_regmap = {
235 	.reg_bits = 8,
236 	.val_bits = 8,
237 
238 	.reg_defaults = max98095_reg_def,
239 	.num_reg_defaults = ARRAY_SIZE(max98095_reg_def),
240 	.max_register = M98095_0FF_REV_ID,
241 	.cache_type = REGCACHE_RBTREE,
242 
243 	.readable_reg = max98095_readable,
244 	.writeable_reg = max98095_writeable,
245 	.volatile_reg = max98095_volatile,
246 };
247 
248 /*
249  * Load equalizer DSP coefficient configurations registers
250  */
251 static void m98095_eq_band(struct snd_soc_component *component, unsigned int dai,
252 		    unsigned int band, u16 *coefs)
253 {
254 	unsigned int eq_reg;
255 	unsigned int i;
256 
257 	if (WARN_ON(band > 4) ||
258 	    WARN_ON(dai > 1))
259 		return;
260 
261 	/* Load the base register address */
262 	eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
263 
264 	/* Add the band address offset, note adjustment for word address */
265 	eq_reg += band * (M98095_COEFS_PER_BAND << 1);
266 
267 	/* Step through the registers and coefs */
268 	for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
269 		snd_soc_component_write(component, eq_reg++, M98095_BYTE1(coefs[i]));
270 		snd_soc_component_write(component, eq_reg++, M98095_BYTE0(coefs[i]));
271 	}
272 }
273 
274 /*
275  * Load biquad filter coefficient configurations registers
276  */
277 static void m98095_biquad_band(struct snd_soc_component *component, unsigned int dai,
278 		    unsigned int band, u16 *coefs)
279 {
280 	unsigned int bq_reg;
281 	unsigned int i;
282 
283 	if (WARN_ON(band > 1) ||
284 	    WARN_ON(dai > 1))
285 		return;
286 
287 	/* Load the base register address */
288 	bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
289 
290 	/* Add the band address offset, note adjustment for word address */
291 	bq_reg += band * (M98095_COEFS_PER_BAND << 1);
292 
293 	/* Step through the registers and coefs */
294 	for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
295 		snd_soc_component_write(component, bq_reg++, M98095_BYTE1(coefs[i]));
296 		snd_soc_component_write(component, bq_reg++, M98095_BYTE0(coefs[i]));
297 	}
298 }
299 
300 static const char * const max98095_fltr_mode[] = { "Voice", "Music" };
301 static SOC_ENUM_SINGLE_DECL(max98095_dai1_filter_mode_enum,
302 			    M98095_02E_DAI1_FILTERS, 7,
303 			    max98095_fltr_mode);
304 static SOC_ENUM_SINGLE_DECL(max98095_dai2_filter_mode_enum,
305 			    M98095_038_DAI2_FILTERS, 7,
306 			    max98095_fltr_mode);
307 
308 static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" };
309 
310 static SOC_ENUM_SINGLE_DECL(max98095_extmic_enum,
311 			    M98095_087_CFG_MIC, 0,
312 			    max98095_extmic_text);
313 
314 static const struct snd_kcontrol_new max98095_extmic_mux =
315 	SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum);
316 
317 static const char * const max98095_linein_text[] = { "INA", "INB" };
318 
319 static SOC_ENUM_SINGLE_DECL(max98095_linein_enum,
320 			    M98095_086_CFG_LINE, 6,
321 			    max98095_linein_text);
322 
323 static const struct snd_kcontrol_new max98095_linein_mux =
324 	SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum);
325 
326 static const char * const max98095_line_mode_text[] = {
327 	"Stereo", "Differential"};
328 
329 static SOC_ENUM_SINGLE_DECL(max98095_linein_mode_enum,
330 			    M98095_086_CFG_LINE, 7,
331 			    max98095_line_mode_text);
332 
333 static SOC_ENUM_SINGLE_DECL(max98095_lineout_mode_enum,
334 			    M98095_086_CFG_LINE, 4,
335 			    max98095_line_mode_text);
336 
337 static const char * const max98095_dai_fltr[] = {
338 	"Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k",
339 	"Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"};
340 static SOC_ENUM_SINGLE_DECL(max98095_dai1_dac_filter_enum,
341 			    M98095_02E_DAI1_FILTERS, 0,
342 			    max98095_dai_fltr);
343 static SOC_ENUM_SINGLE_DECL(max98095_dai2_dac_filter_enum,
344 			    M98095_038_DAI2_FILTERS, 0,
345 			    max98095_dai_fltr);
346 static SOC_ENUM_SINGLE_DECL(max98095_dai3_dac_filter_enum,
347 			    M98095_042_DAI3_FILTERS, 0,
348 			    max98095_dai_fltr);
349 
350 static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol,
351 				struct snd_ctl_elem_value *ucontrol)
352 {
353 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
354 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
355 	unsigned int sel = ucontrol->value.integer.value[0];
356 
357 	max98095->mic1pre = sel;
358 	snd_soc_component_update_bits(component, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK,
359 		(1+sel)<<M98095_MICPRE_SHIFT);
360 
361 	return 0;
362 }
363 
364 static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol,
365 				struct snd_ctl_elem_value *ucontrol)
366 {
367 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
368 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
369 
370 	ucontrol->value.integer.value[0] = max98095->mic1pre;
371 	return 0;
372 }
373 
374 static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol,
375 				struct snd_ctl_elem_value *ucontrol)
376 {
377 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
378 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
379 	unsigned int sel = ucontrol->value.integer.value[0];
380 
381 	max98095->mic2pre = sel;
382 	snd_soc_component_update_bits(component, M98095_060_LVL_MIC2, M98095_MICPRE_MASK,
383 		(1+sel)<<M98095_MICPRE_SHIFT);
384 
385 	return 0;
386 }
387 
388 static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol,
389 				struct snd_ctl_elem_value *ucontrol)
390 {
391 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
392 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
393 
394 	ucontrol->value.integer.value[0] = max98095->mic2pre;
395 	return 0;
396 }
397 
398 static const DECLARE_TLV_DB_RANGE(max98095_micboost_tlv,
399 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
400 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
401 );
402 
403 static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0);
404 static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0);
405 static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0);
406 
407 static const DECLARE_TLV_DB_RANGE(max98095_hp_tlv,
408 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
409 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
410 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
411 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
412 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
413 );
414 
415 static const DECLARE_TLV_DB_RANGE(max98095_spk_tlv,
416 	0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0),
417 	11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0),
418 	19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0),
419 	28, 39, TLV_DB_SCALE_ITEM(650, 50, 0)
420 );
421 
422 static const DECLARE_TLV_DB_RANGE(max98095_rcv_lout_tlv,
423 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
424 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
425 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
426 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
427 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
428 );
429 
430 static const DECLARE_TLV_DB_RANGE(max98095_lin_tlv,
431 	0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0),
432 	3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0),
433 	4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0)
434 );
435 
436 static const struct snd_kcontrol_new max98095_snd_controls[] = {
437 
438 	SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L,
439 		M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv),
440 
441 	SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L,
442 		M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv),
443 
444 	SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV,
445 		0, 31, 0, max98095_rcv_lout_tlv),
446 
447 	SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1,
448 		M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv),
449 
450 	SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L,
451 		M98095_065_LVL_HP_R, 7, 1, 1),
452 
453 	SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L,
454 		M98095_068_LVL_SPK_R, 7, 1, 1),
455 
456 	SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1),
457 
458 	SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1,
459 		M98095_063_LVL_LINEOUT2, 7, 1, 1),
460 
461 	SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1,
462 		max98095_mic_tlv),
463 
464 	SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1,
465 		max98095_mic_tlv),
466 
467 	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
468 			M98095_05F_LVL_MIC1, 5, 2, 0,
469 			max98095_mic1pre_get, max98095_mic1pre_set,
470 			max98095_micboost_tlv),
471 	SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
472 			M98095_060_LVL_MIC2, 5, 2, 0,
473 			max98095_mic2pre_get, max98095_mic2pre_set,
474 			max98095_micboost_tlv),
475 
476 	SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1,
477 		max98095_lin_tlv),
478 
479 	SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1,
480 		max98095_adc_tlv),
481 	SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1,
482 		max98095_adc_tlv),
483 
484 	SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0,
485 		max98095_adcboost_tlv),
486 	SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0,
487 		max98095_adcboost_tlv),
488 
489 	SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0),
490 	SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0),
491 
492 	SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0),
493 	SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0),
494 
495 	SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum),
496 	SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum),
497 	SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum),
498 	SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum),
499 	SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum),
500 
501 	SOC_ENUM("Linein Mode", max98095_linein_mode_enum),
502 	SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum),
503 };
504 
505 /* Left speaker mixer switch */
506 static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = {
507 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0),
508 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0),
509 	SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
510 	SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
511 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0),
512 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0),
513 	SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0),
514 	SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0),
515 };
516 
517 /* Right speaker mixer switch */
518 static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = {
519 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0),
520 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0),
521 	SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
522 	SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
523 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0),
524 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0),
525 	SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0),
526 	SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0),
527 };
528 
529 /* Left headphone mixer switch */
530 static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = {
531 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0),
532 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0),
533 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0),
534 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0),
535 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0),
536 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0),
537 };
538 
539 /* Right headphone mixer switch */
540 static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = {
541 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0),
542 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0),
543 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0),
544 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0),
545 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0),
546 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0),
547 };
548 
549 /* Receiver earpiece mixer switch */
550 static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = {
551 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0),
552 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0),
553 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0),
554 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0),
555 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0),
556 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0),
557 };
558 
559 /* Left lineout mixer switch */
560 static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = {
561 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0),
562 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0),
563 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0),
564 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0),
565 	SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0),
566 	SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0),
567 };
568 
569 /* Right lineout mixer switch */
570 static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = {
571 	SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0),
572 	SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0),
573 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0),
574 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0),
575 	SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0),
576 	SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0),
577 };
578 
579 /* Left ADC mixer switch */
580 static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = {
581 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0),
582 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0),
583 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0),
584 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0),
585 };
586 
587 /* Right ADC mixer switch */
588 static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = {
589 	SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0),
590 	SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0),
591 	SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0),
592 	SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0),
593 };
594 
595 static int max98095_mic_event(struct snd_soc_dapm_widget *w,
596 			     struct snd_kcontrol *kcontrol, int event)
597 {
598 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
599 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
600 
601 	switch (event) {
602 	case SND_SOC_DAPM_POST_PMU:
603 		if (w->reg == M98095_05F_LVL_MIC1) {
604 			snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK,
605 				(1+max98095->mic1pre)<<M98095_MICPRE_SHIFT);
606 		} else {
607 			snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK,
608 				(1+max98095->mic2pre)<<M98095_MICPRE_SHIFT);
609 		}
610 		break;
611 	case SND_SOC_DAPM_POST_PMD:
612 		snd_soc_component_update_bits(component, w->reg, M98095_MICPRE_MASK, 0);
613 		break;
614 	default:
615 		return -EINVAL;
616 	}
617 
618 	return 0;
619 }
620 
621 /*
622  * The line inputs are stereo inputs with the left and right
623  * channels sharing a common PGA power control signal.
624  */
625 static int max98095_line_pga(struct snd_soc_dapm_widget *w,
626 			     int event, u8 channel)
627 {
628 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
629 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
630 	u8 *state;
631 
632 	if (WARN_ON(!(channel == 1 || channel == 2)))
633 		return -EINVAL;
634 
635 	state = &max98095->lin_state;
636 
637 	switch (event) {
638 	case SND_SOC_DAPM_POST_PMU:
639 		*state |= channel;
640 		snd_soc_component_update_bits(component, w->reg,
641 			(1 << w->shift), (1 << w->shift));
642 		break;
643 	case SND_SOC_DAPM_POST_PMD:
644 		*state &= ~channel;
645 		if (*state == 0) {
646 			snd_soc_component_update_bits(component, w->reg,
647 				(1 << w->shift), 0);
648 		}
649 		break;
650 	default:
651 		return -EINVAL;
652 	}
653 
654 	return 0;
655 }
656 
657 static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w,
658 				   struct snd_kcontrol *k, int event)
659 {
660 	return max98095_line_pga(w, event, 1);
661 }
662 
663 static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w,
664 				   struct snd_kcontrol *k, int event)
665 {
666 	return max98095_line_pga(w, event, 2);
667 }
668 
669 /*
670  * The stereo line out mixer outputs to two stereo line outs.
671  * The 2nd pair has a separate set of enables.
672  */
673 static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
674 			     struct snd_kcontrol *kcontrol, int event)
675 {
676 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
677 
678 	switch (event) {
679 	case SND_SOC_DAPM_POST_PMU:
680 		snd_soc_component_update_bits(component, w->reg,
681 			(1 << (w->shift+2)), (1 << (w->shift+2)));
682 		break;
683 	case SND_SOC_DAPM_POST_PMD:
684 		snd_soc_component_update_bits(component, w->reg,
685 			(1 << (w->shift+2)), 0);
686 		break;
687 	default:
688 		return -EINVAL;
689 	}
690 
691 	return 0;
692 }
693 
694 static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = {
695 
696 	SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0),
697 	SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0),
698 
699 	SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
700 		M98095_091_PWR_EN_OUT, 0, 0),
701 	SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
702 		M98095_091_PWR_EN_OUT, 1, 0),
703 	SND_SOC_DAPM_DAC("DACM2", "Aux Playback",
704 		M98095_091_PWR_EN_OUT, 2, 0),
705 	SND_SOC_DAPM_DAC("DACM3", "Voice Playback",
706 		M98095_091_PWR_EN_OUT, 2, 0),
707 
708 	SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT,
709 		6, 0, NULL, 0),
710 	SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT,
711 		7, 0, NULL, 0),
712 
713 	SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT,
714 		4, 0, NULL, 0),
715 	SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT,
716 		5, 0, NULL, 0),
717 
718 	SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT,
719 		3, 0, NULL, 0),
720 
721 	SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT,
722 		0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
723 	SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT,
724 		1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
725 
726 	SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
727 		&max98095_extmic_mux),
728 
729 	SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0,
730 		&max98095_linein_mux),
731 
732 	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
733 		&max98095_left_hp_mixer_controls[0],
734 		ARRAY_SIZE(max98095_left_hp_mixer_controls)),
735 
736 	SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
737 		&max98095_right_hp_mixer_controls[0],
738 		ARRAY_SIZE(max98095_right_hp_mixer_controls)),
739 
740 	SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
741 		&max98095_left_speaker_mixer_controls[0],
742 		ARRAY_SIZE(max98095_left_speaker_mixer_controls)),
743 
744 	SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
745 		&max98095_right_speaker_mixer_controls[0],
746 		ARRAY_SIZE(max98095_right_speaker_mixer_controls)),
747 
748 	SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0,
749 	  &max98095_mono_rcv_mixer_controls[0],
750 		ARRAY_SIZE(max98095_mono_rcv_mixer_controls)),
751 
752 	SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
753 		&max98095_left_lineout_mixer_controls[0],
754 		ARRAY_SIZE(max98095_left_lineout_mixer_controls)),
755 
756 	SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
757 		&max98095_right_lineout_mixer_controls[0],
758 		ARRAY_SIZE(max98095_right_lineout_mixer_controls)),
759 
760 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
761 		&max98095_left_ADC_mixer_controls[0],
762 		ARRAY_SIZE(max98095_left_ADC_mixer_controls)),
763 
764 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
765 		&max98095_right_ADC_mixer_controls[0],
766 		ARRAY_SIZE(max98095_right_ADC_mixer_controls)),
767 
768 	SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1,
769 		5, 0, NULL, 0, max98095_mic_event,
770 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
771 
772 	SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2,
773 		5, 0, NULL, 0, max98095_mic_event,
774 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
775 
776 	SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN,
777 		7, 0, NULL, 0, max98095_pga_in1_event,
778 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
779 
780 	SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN,
781 		7, 0, NULL, 0, max98095_pga_in2_event,
782 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
783 
784 	SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0),
785 	SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0),
786 
787 	SND_SOC_DAPM_OUTPUT("HPL"),
788 	SND_SOC_DAPM_OUTPUT("HPR"),
789 	SND_SOC_DAPM_OUTPUT("SPKL"),
790 	SND_SOC_DAPM_OUTPUT("SPKR"),
791 	SND_SOC_DAPM_OUTPUT("RCV"),
792 	SND_SOC_DAPM_OUTPUT("OUT1"),
793 	SND_SOC_DAPM_OUTPUT("OUT2"),
794 	SND_SOC_DAPM_OUTPUT("OUT3"),
795 	SND_SOC_DAPM_OUTPUT("OUT4"),
796 
797 	SND_SOC_DAPM_INPUT("MIC1"),
798 	SND_SOC_DAPM_INPUT("MIC2"),
799 	SND_SOC_DAPM_INPUT("INA1"),
800 	SND_SOC_DAPM_INPUT("INA2"),
801 	SND_SOC_DAPM_INPUT("INB1"),
802 	SND_SOC_DAPM_INPUT("INB2"),
803 };
804 
805 static const struct snd_soc_dapm_route max98095_audio_map[] = {
806 	/* Left headphone output mixer */
807 	{"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"},
808 	{"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"},
809 	{"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
810 	{"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
811 	{"Left Headphone Mixer", "IN1 Switch", "IN1 Input"},
812 	{"Left Headphone Mixer", "IN2 Switch", "IN2 Input"},
813 
814 	/* Right headphone output mixer */
815 	{"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"},
816 	{"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"},
817 	{"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
818 	{"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
819 	{"Right Headphone Mixer", "IN1 Switch", "IN1 Input"},
820 	{"Right Headphone Mixer", "IN2 Switch", "IN2 Input"},
821 
822 	/* Left speaker output mixer */
823 	{"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"},
824 	{"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"},
825 	{"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
826 	{"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
827 	{"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
828 	{"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
829 	{"Left Speaker Mixer", "IN1 Switch", "IN1 Input"},
830 	{"Left Speaker Mixer", "IN2 Switch", "IN2 Input"},
831 
832 	/* Right speaker output mixer */
833 	{"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"},
834 	{"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"},
835 	{"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
836 	{"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
837 	{"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
838 	{"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
839 	{"Right Speaker Mixer", "IN1 Switch", "IN1 Input"},
840 	{"Right Speaker Mixer", "IN2 Switch", "IN2 Input"},
841 
842 	/* Earpiece/Receiver output mixer */
843 	{"Receiver Mixer", "Left DAC1 Switch", "DACL1"},
844 	{"Receiver Mixer", "Right DAC1 Switch", "DACR1"},
845 	{"Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
846 	{"Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
847 	{"Receiver Mixer", "IN1 Switch", "IN1 Input"},
848 	{"Receiver Mixer", "IN2 Switch", "IN2 Input"},
849 
850 	/* Left Lineout output mixer */
851 	{"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"},
852 	{"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"},
853 	{"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
854 	{"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
855 	{"Left Lineout Mixer", "IN1 Switch", "IN1 Input"},
856 	{"Left Lineout Mixer", "IN2 Switch", "IN2 Input"},
857 
858 	/* Right lineout output mixer */
859 	{"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"},
860 	{"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"},
861 	{"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
862 	{"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
863 	{"Right Lineout Mixer", "IN1 Switch", "IN1 Input"},
864 	{"Right Lineout Mixer", "IN2 Switch", "IN2 Input"},
865 
866 	{"HP Left Out", NULL, "Left Headphone Mixer"},
867 	{"HP Right Out", NULL, "Right Headphone Mixer"},
868 	{"SPK Left Out", NULL, "Left Speaker Mixer"},
869 	{"SPK Right Out", NULL, "Right Speaker Mixer"},
870 	{"RCV Mono Out", NULL, "Receiver Mixer"},
871 	{"LINE Left Out", NULL, "Left Lineout Mixer"},
872 	{"LINE Right Out", NULL, "Right Lineout Mixer"},
873 
874 	{"HPL", NULL, "HP Left Out"},
875 	{"HPR", NULL, "HP Right Out"},
876 	{"SPKL", NULL, "SPK Left Out"},
877 	{"SPKR", NULL, "SPK Right Out"},
878 	{"RCV", NULL, "RCV Mono Out"},
879 	{"OUT1", NULL, "LINE Left Out"},
880 	{"OUT2", NULL, "LINE Right Out"},
881 	{"OUT3", NULL, "LINE Left Out"},
882 	{"OUT4", NULL, "LINE Right Out"},
883 
884 	/* Left ADC input mixer */
885 	{"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
886 	{"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
887 	{"Left ADC Mixer", "IN1 Switch", "IN1 Input"},
888 	{"Left ADC Mixer", "IN2 Switch", "IN2 Input"},
889 
890 	/* Right ADC input mixer */
891 	{"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
892 	{"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
893 	{"Right ADC Mixer", "IN1 Switch", "IN1 Input"},
894 	{"Right ADC Mixer", "IN2 Switch", "IN2 Input"},
895 
896 	/* Inputs */
897 	{"ADCL", NULL, "Left ADC Mixer"},
898 	{"ADCR", NULL, "Right ADC Mixer"},
899 
900 	{"IN1 Input", NULL, "INA1"},
901 	{"IN2 Input", NULL, "INA2"},
902 
903 	{"MIC1 Input", NULL, "MIC1"},
904 	{"MIC2 Input", NULL, "MIC2"},
905 };
906 
907 /* codec mclk clock divider coefficients */
908 static const struct {
909 	u32 rate;
910 	u8  sr;
911 } rate_table[] = {
912 	{8000,  0x01},
913 	{11025, 0x02},
914 	{16000, 0x03},
915 	{22050, 0x04},
916 	{24000, 0x05},
917 	{32000, 0x06},
918 	{44100, 0x07},
919 	{48000, 0x08},
920 	{88200, 0x09},
921 	{96000, 0x0A},
922 };
923 
924 static int rate_value(int rate, u8 *value)
925 {
926 	int i;
927 
928 	for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
929 		if (rate_table[i].rate >= rate) {
930 			*value = rate_table[i].sr;
931 			return 0;
932 		}
933 	}
934 	*value = rate_table[0].sr;
935 	return -EINVAL;
936 }
937 
938 static int max98095_dai1_hw_params(struct snd_pcm_substream *substream,
939 				   struct snd_pcm_hw_params *params,
940 				   struct snd_soc_dai *dai)
941 {
942 	struct snd_soc_component *component = dai->component;
943 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
944 	struct max98095_cdata *cdata;
945 	unsigned long long ni;
946 	unsigned int rate;
947 	u8 regval;
948 
949 	cdata = &max98095->dai[0];
950 
951 	rate = params_rate(params);
952 
953 	switch (params_width(params)) {
954 	case 16:
955 		snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT,
956 			M98095_DAI_WS, 0);
957 		break;
958 	case 24:
959 		snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT,
960 			M98095_DAI_WS, M98095_DAI_WS);
961 		break;
962 	default:
963 		return -EINVAL;
964 	}
965 
966 	if (rate_value(rate, &regval))
967 		return -EINVAL;
968 
969 	snd_soc_component_update_bits(component, M98095_027_DAI1_CLKMODE,
970 		M98095_CLKMODE_MASK, regval);
971 	cdata->rate = rate;
972 
973 	/* Configure NI when operating as master */
974 	if (snd_soc_component_read(component, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) {
975 		if (max98095->sysclk == 0) {
976 			dev_err(component->dev, "Invalid system clock frequency\n");
977 			return -EINVAL;
978 		}
979 		ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
980 				* (unsigned long long int)rate;
981 		do_div(ni, (unsigned long long int)max98095->sysclk);
982 		snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI,
983 			(ni >> 8) & 0x7F);
984 		snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO,
985 			ni & 0xFF);
986 	}
987 
988 	/* Update sample rate mode */
989 	if (rate < 50000)
990 		snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS,
991 			M98095_DAI_DHF, 0);
992 	else
993 		snd_soc_component_update_bits(component, M98095_02E_DAI1_FILTERS,
994 			M98095_DAI_DHF, M98095_DAI_DHF);
995 
996 	return 0;
997 }
998 
999 static int max98095_dai2_hw_params(struct snd_pcm_substream *substream,
1000 				   struct snd_pcm_hw_params *params,
1001 				   struct snd_soc_dai *dai)
1002 {
1003 	struct snd_soc_component *component = dai->component;
1004 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1005 	struct max98095_cdata *cdata;
1006 	unsigned long long ni;
1007 	unsigned int rate;
1008 	u8 regval;
1009 
1010 	cdata = &max98095->dai[1];
1011 
1012 	rate = params_rate(params);
1013 
1014 	switch (params_width(params)) {
1015 	case 16:
1016 		snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT,
1017 			M98095_DAI_WS, 0);
1018 		break;
1019 	case 24:
1020 		snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT,
1021 			M98095_DAI_WS, M98095_DAI_WS);
1022 		break;
1023 	default:
1024 		return -EINVAL;
1025 	}
1026 
1027 	if (rate_value(rate, &regval))
1028 		return -EINVAL;
1029 
1030 	snd_soc_component_update_bits(component, M98095_031_DAI2_CLKMODE,
1031 		M98095_CLKMODE_MASK, regval);
1032 	cdata->rate = rate;
1033 
1034 	/* Configure NI when operating as master */
1035 	if (snd_soc_component_read(component, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) {
1036 		if (max98095->sysclk == 0) {
1037 			dev_err(component->dev, "Invalid system clock frequency\n");
1038 			return -EINVAL;
1039 		}
1040 		ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1041 				* (unsigned long long int)rate;
1042 		do_div(ni, (unsigned long long int)max98095->sysclk);
1043 		snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI,
1044 			(ni >> 8) & 0x7F);
1045 		snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO,
1046 			ni & 0xFF);
1047 	}
1048 
1049 	/* Update sample rate mode */
1050 	if (rate < 50000)
1051 		snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS,
1052 			M98095_DAI_DHF, 0);
1053 	else
1054 		snd_soc_component_update_bits(component, M98095_038_DAI2_FILTERS,
1055 			M98095_DAI_DHF, M98095_DAI_DHF);
1056 
1057 	return 0;
1058 }
1059 
1060 static int max98095_dai3_hw_params(struct snd_pcm_substream *substream,
1061 				   struct snd_pcm_hw_params *params,
1062 				   struct snd_soc_dai *dai)
1063 {
1064 	struct snd_soc_component *component = dai->component;
1065 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1066 	struct max98095_cdata *cdata;
1067 	unsigned long long ni;
1068 	unsigned int rate;
1069 	u8 regval;
1070 
1071 	cdata = &max98095->dai[2];
1072 
1073 	rate = params_rate(params);
1074 
1075 	switch (params_width(params)) {
1076 	case 16:
1077 		snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT,
1078 			M98095_DAI_WS, 0);
1079 		break;
1080 	case 24:
1081 		snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT,
1082 			M98095_DAI_WS, M98095_DAI_WS);
1083 		break;
1084 	default:
1085 		return -EINVAL;
1086 	}
1087 
1088 	if (rate_value(rate, &regval))
1089 		return -EINVAL;
1090 
1091 	snd_soc_component_update_bits(component, M98095_03B_DAI3_CLKMODE,
1092 		M98095_CLKMODE_MASK, regval);
1093 	cdata->rate = rate;
1094 
1095 	/* Configure NI when operating as master */
1096 	if (snd_soc_component_read(component, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) {
1097 		if (max98095->sysclk == 0) {
1098 			dev_err(component->dev, "Invalid system clock frequency\n");
1099 			return -EINVAL;
1100 		}
1101 		ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
1102 				* (unsigned long long int)rate;
1103 		do_div(ni, (unsigned long long int)max98095->sysclk);
1104 		snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI,
1105 			(ni >> 8) & 0x7F);
1106 		snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO,
1107 			ni & 0xFF);
1108 	}
1109 
1110 	/* Update sample rate mode */
1111 	if (rate < 50000)
1112 		snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS,
1113 			M98095_DAI_DHF, 0);
1114 	else
1115 		snd_soc_component_update_bits(component, M98095_042_DAI3_FILTERS,
1116 			M98095_DAI_DHF, M98095_DAI_DHF);
1117 
1118 	return 0;
1119 }
1120 
1121 static int max98095_dai_set_sysclk(struct snd_soc_dai *dai,
1122 				   int clk_id, unsigned int freq, int dir)
1123 {
1124 	struct snd_soc_component *component = dai->component;
1125 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1126 
1127 	/* Requested clock frequency is already setup */
1128 	if (freq == max98095->sysclk)
1129 		return 0;
1130 
1131 	if (!IS_ERR(max98095->mclk)) {
1132 		freq = clk_round_rate(max98095->mclk, freq);
1133 		clk_set_rate(max98095->mclk, freq);
1134 	}
1135 
1136 	/* Setup clocks for slave mode, and using the PLL
1137 	 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1138 	 *         0x02 (when master clk is 20MHz to 40MHz)..
1139 	 *         0x03 (when master clk is 40MHz to 60MHz)..
1140 	 */
1141 	if ((freq >= 10000000) && (freq < 20000000)) {
1142 		snd_soc_component_write(component, M98095_026_SYS_CLK, 0x10);
1143 	} else if ((freq >= 20000000) && (freq < 40000000)) {
1144 		snd_soc_component_write(component, M98095_026_SYS_CLK, 0x20);
1145 	} else if ((freq >= 40000000) && (freq < 60000000)) {
1146 		snd_soc_component_write(component, M98095_026_SYS_CLK, 0x30);
1147 	} else {
1148 		dev_err(component->dev, "Invalid master clock frequency\n");
1149 		return -EINVAL;
1150 	}
1151 
1152 	dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
1153 
1154 	max98095->sysclk = freq;
1155 	return 0;
1156 }
1157 
1158 static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
1159 				 unsigned int fmt)
1160 {
1161 	struct snd_soc_component *component = codec_dai->component;
1162 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1163 	struct max98095_cdata *cdata;
1164 	u8 regval = 0;
1165 
1166 	cdata = &max98095->dai[0];
1167 
1168 	if (fmt != cdata->fmt) {
1169 		cdata->fmt = fmt;
1170 
1171 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1172 		case SND_SOC_DAIFMT_CBS_CFS:
1173 			/* Slave mode PLL */
1174 			snd_soc_component_write(component, M98095_028_DAI1_CLKCFG_HI,
1175 				0x80);
1176 			snd_soc_component_write(component, M98095_029_DAI1_CLKCFG_LO,
1177 				0x00);
1178 			break;
1179 		case SND_SOC_DAIFMT_CBM_CFM:
1180 			/* Set to master mode */
1181 			regval |= M98095_DAI_MAS;
1182 			break;
1183 		case SND_SOC_DAIFMT_CBS_CFM:
1184 		case SND_SOC_DAIFMT_CBM_CFS:
1185 		default:
1186 			dev_err(component->dev, "Clock mode unsupported");
1187 			return -EINVAL;
1188 		}
1189 
1190 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1191 		case SND_SOC_DAIFMT_I2S:
1192 			regval |= M98095_DAI_DLY;
1193 			break;
1194 		case SND_SOC_DAIFMT_LEFT_J:
1195 			break;
1196 		default:
1197 			return -EINVAL;
1198 		}
1199 
1200 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1201 		case SND_SOC_DAIFMT_NB_NF:
1202 			break;
1203 		case SND_SOC_DAIFMT_NB_IF:
1204 			regval |= M98095_DAI_WCI;
1205 			break;
1206 		case SND_SOC_DAIFMT_IB_NF:
1207 			regval |= M98095_DAI_BCI;
1208 			break;
1209 		case SND_SOC_DAIFMT_IB_IF:
1210 			regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1211 			break;
1212 		default:
1213 			return -EINVAL;
1214 		}
1215 
1216 		snd_soc_component_update_bits(component, M98095_02A_DAI1_FORMAT,
1217 			M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1218 			M98095_DAI_WCI, regval);
1219 
1220 		snd_soc_component_write(component, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
1221 	}
1222 
1223 	return 0;
1224 }
1225 
1226 static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
1227 				 unsigned int fmt)
1228 {
1229 	struct snd_soc_component *component = codec_dai->component;
1230 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1231 	struct max98095_cdata *cdata;
1232 	u8 regval = 0;
1233 
1234 	cdata = &max98095->dai[1];
1235 
1236 	if (fmt != cdata->fmt) {
1237 		cdata->fmt = fmt;
1238 
1239 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1240 		case SND_SOC_DAIFMT_CBS_CFS:
1241 			/* Slave mode PLL */
1242 			snd_soc_component_write(component, M98095_032_DAI2_CLKCFG_HI,
1243 				0x80);
1244 			snd_soc_component_write(component, M98095_033_DAI2_CLKCFG_LO,
1245 				0x00);
1246 			break;
1247 		case SND_SOC_DAIFMT_CBM_CFM:
1248 			/* Set to master mode */
1249 			regval |= M98095_DAI_MAS;
1250 			break;
1251 		case SND_SOC_DAIFMT_CBS_CFM:
1252 		case SND_SOC_DAIFMT_CBM_CFS:
1253 		default:
1254 			dev_err(component->dev, "Clock mode unsupported");
1255 			return -EINVAL;
1256 		}
1257 
1258 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1259 		case SND_SOC_DAIFMT_I2S:
1260 			regval |= M98095_DAI_DLY;
1261 			break;
1262 		case SND_SOC_DAIFMT_LEFT_J:
1263 			break;
1264 		default:
1265 			return -EINVAL;
1266 		}
1267 
1268 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1269 		case SND_SOC_DAIFMT_NB_NF:
1270 			break;
1271 		case SND_SOC_DAIFMT_NB_IF:
1272 			regval |= M98095_DAI_WCI;
1273 			break;
1274 		case SND_SOC_DAIFMT_IB_NF:
1275 			regval |= M98095_DAI_BCI;
1276 			break;
1277 		case SND_SOC_DAIFMT_IB_IF:
1278 			regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1279 			break;
1280 		default:
1281 			return -EINVAL;
1282 		}
1283 
1284 		snd_soc_component_update_bits(component, M98095_034_DAI2_FORMAT,
1285 			M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1286 			M98095_DAI_WCI, regval);
1287 
1288 		snd_soc_component_write(component, M98095_035_DAI2_CLOCK,
1289 			M98095_DAI_BSEL64);
1290 	}
1291 
1292 	return 0;
1293 }
1294 
1295 static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
1296 				 unsigned int fmt)
1297 {
1298 	struct snd_soc_component *component = codec_dai->component;
1299 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1300 	struct max98095_cdata *cdata;
1301 	u8 regval = 0;
1302 
1303 	cdata = &max98095->dai[2];
1304 
1305 	if (fmt != cdata->fmt) {
1306 		cdata->fmt = fmt;
1307 
1308 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1309 		case SND_SOC_DAIFMT_CBS_CFS:
1310 			/* Slave mode PLL */
1311 			snd_soc_component_write(component, M98095_03C_DAI3_CLKCFG_HI,
1312 				0x80);
1313 			snd_soc_component_write(component, M98095_03D_DAI3_CLKCFG_LO,
1314 				0x00);
1315 			break;
1316 		case SND_SOC_DAIFMT_CBM_CFM:
1317 			/* Set to master mode */
1318 			regval |= M98095_DAI_MAS;
1319 			break;
1320 		case SND_SOC_DAIFMT_CBS_CFM:
1321 		case SND_SOC_DAIFMT_CBM_CFS:
1322 		default:
1323 			dev_err(component->dev, "Clock mode unsupported");
1324 			return -EINVAL;
1325 		}
1326 
1327 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1328 		case SND_SOC_DAIFMT_I2S:
1329 			regval |= M98095_DAI_DLY;
1330 			break;
1331 		case SND_SOC_DAIFMT_LEFT_J:
1332 			break;
1333 		default:
1334 			return -EINVAL;
1335 		}
1336 
1337 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1338 		case SND_SOC_DAIFMT_NB_NF:
1339 			break;
1340 		case SND_SOC_DAIFMT_NB_IF:
1341 			regval |= M98095_DAI_WCI;
1342 			break;
1343 		case SND_SOC_DAIFMT_IB_NF:
1344 			regval |= M98095_DAI_BCI;
1345 			break;
1346 		case SND_SOC_DAIFMT_IB_IF:
1347 			regval |= M98095_DAI_BCI|M98095_DAI_WCI;
1348 			break;
1349 		default:
1350 			return -EINVAL;
1351 		}
1352 
1353 		snd_soc_component_update_bits(component, M98095_03E_DAI3_FORMAT,
1354 			M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
1355 			M98095_DAI_WCI, regval);
1356 
1357 		snd_soc_component_write(component, M98095_03F_DAI3_CLOCK,
1358 			M98095_DAI_BSEL64);
1359 	}
1360 
1361 	return 0;
1362 }
1363 
1364 static int max98095_set_bias_level(struct snd_soc_component *component,
1365 				   enum snd_soc_bias_level level)
1366 {
1367 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1368 	int ret;
1369 
1370 	switch (level) {
1371 	case SND_SOC_BIAS_ON:
1372 		break;
1373 
1374 	case SND_SOC_BIAS_PREPARE:
1375 		/*
1376 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1377 		 * transition to ON or away from ON. If current bias_level
1378 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1379 		 * away from ON. Disable the clock in that case, otherwise
1380 		 * enable it.
1381 		 */
1382 		if (IS_ERR(max98095->mclk))
1383 			break;
1384 
1385 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1386 			clk_disable_unprepare(max98095->mclk);
1387 		} else {
1388 			ret = clk_prepare_enable(max98095->mclk);
1389 			if (ret)
1390 				return ret;
1391 		}
1392 		break;
1393 
1394 	case SND_SOC_BIAS_STANDBY:
1395 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1396 			ret = regcache_sync(max98095->regmap);
1397 
1398 			if (ret != 0) {
1399 				dev_err(component->dev, "Failed to sync cache: %d\n", ret);
1400 				return ret;
1401 			}
1402 		}
1403 
1404 		snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN,
1405 				M98095_MBEN, M98095_MBEN);
1406 		break;
1407 
1408 	case SND_SOC_BIAS_OFF:
1409 		snd_soc_component_update_bits(component, M98095_090_PWR_EN_IN,
1410 				M98095_MBEN, 0);
1411 		regcache_mark_dirty(max98095->regmap);
1412 		break;
1413 	}
1414 	return 0;
1415 }
1416 
1417 #define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
1418 #define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
1419 
1420 static const struct snd_soc_dai_ops max98095_dai1_ops = {
1421 	.set_sysclk = max98095_dai_set_sysclk,
1422 	.set_fmt = max98095_dai1_set_fmt,
1423 	.hw_params = max98095_dai1_hw_params,
1424 };
1425 
1426 static const struct snd_soc_dai_ops max98095_dai2_ops = {
1427 	.set_sysclk = max98095_dai_set_sysclk,
1428 	.set_fmt = max98095_dai2_set_fmt,
1429 	.hw_params = max98095_dai2_hw_params,
1430 };
1431 
1432 static const struct snd_soc_dai_ops max98095_dai3_ops = {
1433 	.set_sysclk = max98095_dai_set_sysclk,
1434 	.set_fmt = max98095_dai3_set_fmt,
1435 	.hw_params = max98095_dai3_hw_params,
1436 };
1437 
1438 static struct snd_soc_dai_driver max98095_dai[] = {
1439 {
1440 	.name = "HiFi",
1441 	.playback = {
1442 		.stream_name = "HiFi Playback",
1443 		.channels_min = 1,
1444 		.channels_max = 2,
1445 		.rates = MAX98095_RATES,
1446 		.formats = MAX98095_FORMATS,
1447 	},
1448 	.capture = {
1449 		.stream_name = "HiFi Capture",
1450 		.channels_min = 1,
1451 		.channels_max = 2,
1452 		.rates = MAX98095_RATES,
1453 		.formats = MAX98095_FORMATS,
1454 	},
1455 	 .ops = &max98095_dai1_ops,
1456 },
1457 {
1458 	.name = "Aux",
1459 	.playback = {
1460 		.stream_name = "Aux Playback",
1461 		.channels_min = 1,
1462 		.channels_max = 1,
1463 		.rates = MAX98095_RATES,
1464 		.formats = MAX98095_FORMATS,
1465 	},
1466 	.ops = &max98095_dai2_ops,
1467 },
1468 {
1469 	.name = "Voice",
1470 	.playback = {
1471 		.stream_name = "Voice Playback",
1472 		.channels_min = 1,
1473 		.channels_max = 1,
1474 		.rates = MAX98095_RATES,
1475 		.formats = MAX98095_FORMATS,
1476 	},
1477 	.ops = &max98095_dai3_ops,
1478 }
1479 
1480 };
1481 
1482 static int max98095_get_eq_channel(const char *name)
1483 {
1484 	if (strcmp(name, "EQ1 Mode") == 0)
1485 		return 0;
1486 	if (strcmp(name, "EQ2 Mode") == 0)
1487 		return 1;
1488 	return -EINVAL;
1489 }
1490 
1491 static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
1492 				 struct snd_ctl_elem_value *ucontrol)
1493 {
1494 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1495 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1496 	struct max98095_pdata *pdata = max98095->pdata;
1497 	int channel = max98095_get_eq_channel(kcontrol->id.name);
1498 	struct max98095_cdata *cdata;
1499 	unsigned int sel = ucontrol->value.enumerated.item[0];
1500 	struct max98095_eq_cfg *coef_set;
1501 	int fs, best, best_val, i;
1502 	int regmask, regsave;
1503 
1504 	if (WARN_ON(channel > 1))
1505 		return -EINVAL;
1506 
1507 	if (!pdata || !max98095->eq_textcnt)
1508 		return 0;
1509 
1510 	if (sel >= pdata->eq_cfgcnt)
1511 		return -EINVAL;
1512 
1513 	cdata = &max98095->dai[channel];
1514 	cdata->eq_sel = sel;
1515 	fs = cdata->rate;
1516 
1517 	/* Find the selected configuration with nearest sample rate */
1518 	best = 0;
1519 	best_val = INT_MAX;
1520 	for (i = 0; i < pdata->eq_cfgcnt; i++) {
1521 		if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
1522 			abs(pdata->eq_cfg[i].rate - fs) < best_val) {
1523 			best = i;
1524 			best_val = abs(pdata->eq_cfg[i].rate - fs);
1525 		}
1526 	}
1527 
1528 	dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1529 		pdata->eq_cfg[best].name,
1530 		pdata->eq_cfg[best].rate, fs);
1531 
1532 	coef_set = &pdata->eq_cfg[best];
1533 
1534 	regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
1535 
1536 	/* Disable filter while configuring, and save current on/off state */
1537 	regsave = snd_soc_component_read(component, M98095_088_CFG_LEVEL);
1538 	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, 0);
1539 
1540 	mutex_lock(&max98095->lock);
1541 	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1542 	m98095_eq_band(component, channel, 0, coef_set->band1);
1543 	m98095_eq_band(component, channel, 1, coef_set->band2);
1544 	m98095_eq_band(component, channel, 2, coef_set->band3);
1545 	m98095_eq_band(component, channel, 3, coef_set->band4);
1546 	m98095_eq_band(component, channel, 4, coef_set->band5);
1547 	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, 0);
1548 	mutex_unlock(&max98095->lock);
1549 
1550 	/* Restore the original on/off state */
1551 	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, regsave);
1552 	return 0;
1553 }
1554 
1555 static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
1556 				 struct snd_ctl_elem_value *ucontrol)
1557 {
1558 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1559 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1560 	int channel = max98095_get_eq_channel(kcontrol->id.name);
1561 	struct max98095_cdata *cdata;
1562 
1563 	cdata = &max98095->dai[channel];
1564 	ucontrol->value.enumerated.item[0] = cdata->eq_sel;
1565 
1566 	return 0;
1567 }
1568 
1569 static void max98095_handle_eq_pdata(struct snd_soc_component *component)
1570 {
1571 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1572 	struct max98095_pdata *pdata = max98095->pdata;
1573 	struct max98095_eq_cfg *cfg;
1574 	unsigned int cfgcnt;
1575 	int i, j;
1576 	const char **t;
1577 	int ret;
1578 
1579 	struct snd_kcontrol_new controls[] = {
1580 		SOC_ENUM_EXT("EQ1 Mode",
1581 			max98095->eq_enum,
1582 			max98095_get_eq_enum,
1583 			max98095_put_eq_enum),
1584 		SOC_ENUM_EXT("EQ2 Mode",
1585 			max98095->eq_enum,
1586 			max98095_get_eq_enum,
1587 			max98095_put_eq_enum),
1588 	};
1589 
1590 	cfg = pdata->eq_cfg;
1591 	cfgcnt = pdata->eq_cfgcnt;
1592 
1593 	/* Setup an array of texts for the equalizer enum.
1594 	 * This is based on Mark Brown's equalizer driver code.
1595 	 */
1596 	max98095->eq_textcnt = 0;
1597 	max98095->eq_texts = NULL;
1598 	for (i = 0; i < cfgcnt; i++) {
1599 		for (j = 0; j < max98095->eq_textcnt; j++) {
1600 			if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
1601 				break;
1602 		}
1603 
1604 		if (j != max98095->eq_textcnt)
1605 			continue;
1606 
1607 		/* Expand the array */
1608 		t = krealloc(max98095->eq_texts,
1609 			     sizeof(char *) * (max98095->eq_textcnt + 1),
1610 			     GFP_KERNEL);
1611 		if (t == NULL)
1612 			continue;
1613 
1614 		/* Store the new entry */
1615 		t[max98095->eq_textcnt] = cfg[i].name;
1616 		max98095->eq_textcnt++;
1617 		max98095->eq_texts = t;
1618 	}
1619 
1620 	/* Now point the soc_enum to .texts array items */
1621 	max98095->eq_enum.texts = max98095->eq_texts;
1622 	max98095->eq_enum.items = max98095->eq_textcnt;
1623 
1624 	ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
1625 	if (ret != 0)
1626 		dev_err(component->dev, "Failed to add EQ control: %d\n", ret);
1627 }
1628 
1629 static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"};
1630 
1631 static int max98095_get_bq_channel(struct snd_soc_component *component,
1632 				   const char *name)
1633 {
1634 	int ret;
1635 
1636 	ret = match_string(bq_mode_name, ARRAY_SIZE(bq_mode_name), name);
1637 	if (ret < 0)
1638 		dev_err(component->dev, "Bad biquad channel name '%s'\n", name);
1639 	return ret;
1640 }
1641 
1642 static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
1643 				 struct snd_ctl_elem_value *ucontrol)
1644 {
1645 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1646 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1647 	struct max98095_pdata *pdata = max98095->pdata;
1648 	int channel = max98095_get_bq_channel(component, kcontrol->id.name);
1649 	struct max98095_cdata *cdata;
1650 	unsigned int sel = ucontrol->value.enumerated.item[0];
1651 	struct max98095_biquad_cfg *coef_set;
1652 	int fs, best, best_val, i;
1653 	int regmask, regsave;
1654 
1655 	if (channel < 0)
1656 		return channel;
1657 
1658 	if (!pdata || !max98095->bq_textcnt)
1659 		return 0;
1660 
1661 	if (sel >= pdata->bq_cfgcnt)
1662 		return -EINVAL;
1663 
1664 	cdata = &max98095->dai[channel];
1665 	cdata->bq_sel = sel;
1666 	fs = cdata->rate;
1667 
1668 	/* Find the selected configuration with nearest sample rate */
1669 	best = 0;
1670 	best_val = INT_MAX;
1671 	for (i = 0; i < pdata->bq_cfgcnt; i++) {
1672 		if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
1673 			abs(pdata->bq_cfg[i].rate - fs) < best_val) {
1674 			best = i;
1675 			best_val = abs(pdata->bq_cfg[i].rate - fs);
1676 		}
1677 	}
1678 
1679 	dev_dbg(component->dev, "Selected %s/%dHz for %dHz sample rate\n",
1680 		pdata->bq_cfg[best].name,
1681 		pdata->bq_cfg[best].rate, fs);
1682 
1683 	coef_set = &pdata->bq_cfg[best];
1684 
1685 	regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
1686 
1687 	/* Disable filter while configuring, and save current on/off state */
1688 	regsave = snd_soc_component_read(component, M98095_088_CFG_LEVEL);
1689 	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, 0);
1690 
1691 	mutex_lock(&max98095->lock);
1692 	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
1693 	m98095_biquad_band(component, channel, 0, coef_set->band1);
1694 	m98095_biquad_band(component, channel, 1, coef_set->band2);
1695 	snd_soc_component_update_bits(component, M98095_00F_HOST_CFG, M98095_SEG, 0);
1696 	mutex_unlock(&max98095->lock);
1697 
1698 	/* Restore the original on/off state */
1699 	snd_soc_component_update_bits(component, M98095_088_CFG_LEVEL, regmask, regsave);
1700 	return 0;
1701 }
1702 
1703 static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
1704 				 struct snd_ctl_elem_value *ucontrol)
1705 {
1706 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
1707 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1708 	int channel = max98095_get_bq_channel(component, kcontrol->id.name);
1709 	struct max98095_cdata *cdata;
1710 
1711 	if (channel < 0)
1712 		return channel;
1713 
1714 	cdata = &max98095->dai[channel];
1715 	ucontrol->value.enumerated.item[0] = cdata->bq_sel;
1716 
1717 	return 0;
1718 }
1719 
1720 static void max98095_handle_bq_pdata(struct snd_soc_component *component)
1721 {
1722 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1723 	struct max98095_pdata *pdata = max98095->pdata;
1724 	struct max98095_biquad_cfg *cfg;
1725 	unsigned int cfgcnt;
1726 	int i, j;
1727 	const char **t;
1728 	int ret;
1729 
1730 	struct snd_kcontrol_new controls[] = {
1731 		SOC_ENUM_EXT((char *)bq_mode_name[0],
1732 			max98095->bq_enum,
1733 			max98095_get_bq_enum,
1734 			max98095_put_bq_enum),
1735 		SOC_ENUM_EXT((char *)bq_mode_name[1],
1736 			max98095->bq_enum,
1737 			max98095_get_bq_enum,
1738 			max98095_put_bq_enum),
1739 	};
1740 	BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name));
1741 
1742 	cfg = pdata->bq_cfg;
1743 	cfgcnt = pdata->bq_cfgcnt;
1744 
1745 	/* Setup an array of texts for the biquad enum.
1746 	 * This is based on Mark Brown's equalizer driver code.
1747 	 */
1748 	max98095->bq_textcnt = 0;
1749 	max98095->bq_texts = NULL;
1750 	for (i = 0; i < cfgcnt; i++) {
1751 		for (j = 0; j < max98095->bq_textcnt; j++) {
1752 			if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
1753 				break;
1754 		}
1755 
1756 		if (j != max98095->bq_textcnt)
1757 			continue;
1758 
1759 		/* Expand the array */
1760 		t = krealloc(max98095->bq_texts,
1761 			     sizeof(char *) * (max98095->bq_textcnt + 1),
1762 			     GFP_KERNEL);
1763 		if (t == NULL)
1764 			continue;
1765 
1766 		/* Store the new entry */
1767 		t[max98095->bq_textcnt] = cfg[i].name;
1768 		max98095->bq_textcnt++;
1769 		max98095->bq_texts = t;
1770 	}
1771 
1772 	/* Now point the soc_enum to .texts array items */
1773 	max98095->bq_enum.texts = max98095->bq_texts;
1774 	max98095->bq_enum.items = max98095->bq_textcnt;
1775 
1776 	ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
1777 	if (ret != 0)
1778 		dev_err(component->dev, "Failed to add Biquad control: %d\n", ret);
1779 }
1780 
1781 static void max98095_handle_pdata(struct snd_soc_component *component)
1782 {
1783 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1784 	struct max98095_pdata *pdata = max98095->pdata;
1785 	u8 regval = 0;
1786 
1787 	if (!pdata) {
1788 		dev_dbg(component->dev, "No platform data\n");
1789 		return;
1790 	}
1791 
1792 	/* Configure mic for analog/digital mic mode */
1793 	if (pdata->digmic_left_mode)
1794 		regval |= M98095_DIGMIC_L;
1795 
1796 	if (pdata->digmic_right_mode)
1797 		regval |= M98095_DIGMIC_R;
1798 
1799 	snd_soc_component_write(component, M98095_087_CFG_MIC, regval);
1800 
1801 	/* Configure equalizers */
1802 	if (pdata->eq_cfgcnt)
1803 		max98095_handle_eq_pdata(component);
1804 
1805 	/* Configure bi-quad filters */
1806 	if (pdata->bq_cfgcnt)
1807 		max98095_handle_bq_pdata(component);
1808 }
1809 
1810 static irqreturn_t max98095_report_jack(int irq, void *data)
1811 {
1812 	struct snd_soc_component *component = data;
1813 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1814 	unsigned int value;
1815 	int hp_report = 0;
1816 	int mic_report = 0;
1817 
1818 	/* Read the Jack Status Register */
1819 	value = snd_soc_component_read(component, M98095_007_JACK_AUTO_STS);
1820 
1821 	/* If ddone is not set, then detection isn't finished yet */
1822 	if ((value & M98095_DDONE) == 0)
1823 		return IRQ_NONE;
1824 
1825 	/* if hp, check its bit, and if set, clear it */
1826 	if ((value & M98095_HP_IN || value & M98095_LO_IN) &&
1827 		max98095->headphone_jack)
1828 		hp_report |= SND_JACK_HEADPHONE;
1829 
1830 	/* if mic, check its bit, and if set, clear it */
1831 	if ((value & M98095_MIC_IN) && max98095->mic_jack)
1832 		mic_report |= SND_JACK_MICROPHONE;
1833 
1834 	if (max98095->headphone_jack == max98095->mic_jack) {
1835 		snd_soc_jack_report(max98095->headphone_jack,
1836 					hp_report | mic_report,
1837 					SND_JACK_HEADSET);
1838 	} else {
1839 		if (max98095->headphone_jack)
1840 			snd_soc_jack_report(max98095->headphone_jack,
1841 					hp_report, SND_JACK_HEADPHONE);
1842 		if (max98095->mic_jack)
1843 			snd_soc_jack_report(max98095->mic_jack,
1844 					mic_report, SND_JACK_MICROPHONE);
1845 	}
1846 
1847 	return IRQ_HANDLED;
1848 }
1849 
1850 static int max98095_jack_detect_enable(struct snd_soc_component *component)
1851 {
1852 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1853 	int ret = 0;
1854 	int detect_enable = M98095_JDEN;
1855 	unsigned int slew = M98095_DEFAULT_SLEW_DELAY;
1856 
1857 	if (max98095->pdata->jack_detect_pin5en)
1858 		detect_enable |= M98095_PIN5EN;
1859 
1860 	if (max98095->pdata->jack_detect_delay)
1861 		slew = max98095->pdata->jack_detect_delay;
1862 
1863 	ret = snd_soc_component_write(component, M98095_08E_JACK_DC_SLEW, slew);
1864 	if (ret < 0) {
1865 		dev_err(component->dev, "Failed to cfg auto detect %d\n", ret);
1866 		return ret;
1867 	}
1868 
1869 	/* configure auto detection to be enabled */
1870 	ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, detect_enable);
1871 	if (ret < 0) {
1872 		dev_err(component->dev, "Failed to cfg auto detect %d\n", ret);
1873 		return ret;
1874 	}
1875 
1876 	return ret;
1877 }
1878 
1879 static int max98095_jack_detect_disable(struct snd_soc_component *component)
1880 {
1881 	int ret = 0;
1882 
1883 	/* configure auto detection to be disabled */
1884 	ret = snd_soc_component_write(component, M98095_089_JACK_DET_AUTO, 0x0);
1885 	if (ret < 0) {
1886 		dev_err(component->dev, "Failed to cfg auto detect %d\n", ret);
1887 		return ret;
1888 	}
1889 
1890 	return ret;
1891 }
1892 
1893 int max98095_jack_detect(struct snd_soc_component *component,
1894 	struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack)
1895 {
1896 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1897 	struct i2c_client *client = to_i2c_client(component->dev);
1898 	int ret = 0;
1899 
1900 	max98095->headphone_jack = hp_jack;
1901 	max98095->mic_jack = mic_jack;
1902 
1903 	/* only progress if we have at least 1 jack pointer */
1904 	if (!hp_jack && !mic_jack)
1905 		return -EINVAL;
1906 
1907 	max98095_jack_detect_enable(component);
1908 
1909 	/* enable interrupts for headphone jack detection */
1910 	ret = snd_soc_component_update_bits(component, M98095_013_JACK_INT_EN,
1911 		M98095_IDDONE, M98095_IDDONE);
1912 	if (ret < 0) {
1913 		dev_err(component->dev, "Failed to cfg jack irqs %d\n", ret);
1914 		return ret;
1915 	}
1916 
1917 	max98095_report_jack(client->irq, component);
1918 	return 0;
1919 }
1920 EXPORT_SYMBOL_GPL(max98095_jack_detect);
1921 
1922 #ifdef CONFIG_PM
1923 static int max98095_suspend(struct snd_soc_component *component)
1924 {
1925 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1926 
1927 	if (max98095->headphone_jack || max98095->mic_jack)
1928 		max98095_jack_detect_disable(component);
1929 
1930 	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
1931 
1932 	return 0;
1933 }
1934 
1935 static int max98095_resume(struct snd_soc_component *component)
1936 {
1937 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1938 	struct i2c_client *client = to_i2c_client(component->dev);
1939 
1940 	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1941 
1942 	if (max98095->headphone_jack || max98095->mic_jack) {
1943 		max98095_jack_detect_enable(component);
1944 		max98095_report_jack(client->irq, component);
1945 	}
1946 
1947 	return 0;
1948 }
1949 #else
1950 #define max98095_suspend NULL
1951 #define max98095_resume NULL
1952 #endif
1953 
1954 static int max98095_reset(struct snd_soc_component *component)
1955 {
1956 	int i, ret;
1957 
1958 	/* Gracefully reset the DSP core and the codec hardware
1959 	 * in a proper sequence */
1960 	ret = snd_soc_component_write(component, M98095_00F_HOST_CFG, 0);
1961 	if (ret < 0) {
1962 		dev_err(component->dev, "Failed to reset DSP: %d\n", ret);
1963 		return ret;
1964 	}
1965 
1966 	ret = snd_soc_component_write(component, M98095_097_PWR_SYS, 0);
1967 	if (ret < 0) {
1968 		dev_err(component->dev, "Failed to reset component: %d\n", ret);
1969 		return ret;
1970 	}
1971 
1972 	/* Reset to hardware default for registers, as there is not
1973 	 * a soft reset hardware control register */
1974 	for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
1975 		ret = snd_soc_component_write(component, i, snd_soc_component_read(component, i));
1976 		if (ret < 0) {
1977 			dev_err(component->dev, "Failed to reset: %d\n", ret);
1978 			return ret;
1979 		}
1980 	}
1981 
1982 	return ret;
1983 }
1984 
1985 static int max98095_probe(struct snd_soc_component *component)
1986 {
1987 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
1988 	struct max98095_cdata *cdata;
1989 	struct i2c_client *client;
1990 	int ret = 0;
1991 
1992 	max98095->mclk = devm_clk_get(component->dev, "mclk");
1993 	if (PTR_ERR(max98095->mclk) == -EPROBE_DEFER)
1994 		return -EPROBE_DEFER;
1995 
1996 	/* reset the codec, the DSP core, and disable all interrupts */
1997 	max98095_reset(component);
1998 
1999 	client = to_i2c_client(component->dev);
2000 
2001 	/* initialize private data */
2002 
2003 	max98095->sysclk = (unsigned)-1;
2004 	max98095->eq_textcnt = 0;
2005 	max98095->bq_textcnt = 0;
2006 
2007 	cdata = &max98095->dai[0];
2008 	cdata->rate = (unsigned)-1;
2009 	cdata->fmt  = (unsigned)-1;
2010 	cdata->eq_sel = 0;
2011 	cdata->bq_sel = 0;
2012 
2013 	cdata = &max98095->dai[1];
2014 	cdata->rate = (unsigned)-1;
2015 	cdata->fmt  = (unsigned)-1;
2016 	cdata->eq_sel = 0;
2017 	cdata->bq_sel = 0;
2018 
2019 	cdata = &max98095->dai[2];
2020 	cdata->rate = (unsigned)-1;
2021 	cdata->fmt  = (unsigned)-1;
2022 	cdata->eq_sel = 0;
2023 	cdata->bq_sel = 0;
2024 
2025 	max98095->lin_state = 0;
2026 	max98095->mic1pre = 0;
2027 	max98095->mic2pre = 0;
2028 
2029 	if (client->irq) {
2030 		/* register an audio interrupt */
2031 		ret = request_threaded_irq(client->irq, NULL,
2032 			max98095_report_jack,
2033 			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
2034 			IRQF_ONESHOT, "max98095", component);
2035 		if (ret) {
2036 			dev_err(component->dev, "Failed to request IRQ: %d\n", ret);
2037 			goto err_access;
2038 		}
2039 	}
2040 
2041 	ret = snd_soc_component_read(component, M98095_0FF_REV_ID);
2042 	if (ret < 0) {
2043 		dev_err(component->dev, "Failure reading hardware revision: %d\n",
2044 			ret);
2045 		goto err_irq;
2046 	}
2047 	dev_info(component->dev, "Hardware revision: %c\n", ret - 0x40 + 'A');
2048 
2049 	snd_soc_component_write(component, M98095_097_PWR_SYS, M98095_PWRSV);
2050 
2051 	snd_soc_component_write(component, M98095_048_MIX_DAC_LR,
2052 		M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
2053 
2054 	snd_soc_component_write(component, M98095_049_MIX_DAC_M,
2055 		M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
2056 
2057 	snd_soc_component_write(component, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
2058 	snd_soc_component_write(component, M98095_045_CFG_DSP, M98095_DSPNORMAL);
2059 	snd_soc_component_write(component, M98095_04E_CFG_HP, M98095_HPNORMAL);
2060 
2061 	snd_soc_component_write(component, M98095_02C_DAI1_IOCFG,
2062 		M98095_S1NORMAL|M98095_SDATA);
2063 
2064 	snd_soc_component_write(component, M98095_036_DAI2_IOCFG,
2065 		M98095_S2NORMAL|M98095_SDATA);
2066 
2067 	snd_soc_component_write(component, M98095_040_DAI3_IOCFG,
2068 		M98095_S3NORMAL|M98095_SDATA);
2069 
2070 	max98095_handle_pdata(component);
2071 
2072 	/* take the codec out of the shut down */
2073 	snd_soc_component_update_bits(component, M98095_097_PWR_SYS, M98095_SHDNRUN,
2074 		M98095_SHDNRUN);
2075 
2076 	return 0;
2077 
2078 err_irq:
2079 	if (client->irq)
2080 		free_irq(client->irq, component);
2081 err_access:
2082 	return ret;
2083 }
2084 
2085 static void max98095_remove(struct snd_soc_component *component)
2086 {
2087 	struct max98095_priv *max98095 = snd_soc_component_get_drvdata(component);
2088 	struct i2c_client *client = to_i2c_client(component->dev);
2089 
2090 	if (max98095->headphone_jack || max98095->mic_jack)
2091 		max98095_jack_detect_disable(component);
2092 
2093 	if (client->irq)
2094 		free_irq(client->irq, component);
2095 }
2096 
2097 static const struct snd_soc_component_driver soc_component_dev_max98095 = {
2098 	.probe			= max98095_probe,
2099 	.remove			= max98095_remove,
2100 	.suspend		= max98095_suspend,
2101 	.resume			= max98095_resume,
2102 	.set_bias_level		= max98095_set_bias_level,
2103 	.controls		= max98095_snd_controls,
2104 	.num_controls		= ARRAY_SIZE(max98095_snd_controls),
2105 	.dapm_widgets		= max98095_dapm_widgets,
2106 	.num_dapm_widgets	= ARRAY_SIZE(max98095_dapm_widgets),
2107 	.dapm_routes		= max98095_audio_map,
2108 	.num_dapm_routes	= ARRAY_SIZE(max98095_audio_map),
2109 	.idle_bias_on		= 1,
2110 	.use_pmdown_time	= 1,
2111 	.endianness		= 1,
2112 	.non_legacy_dai_naming	= 1,
2113 };
2114 
2115 static int max98095_i2c_probe(struct i2c_client *i2c,
2116 			     const struct i2c_device_id *id)
2117 {
2118 	struct max98095_priv *max98095;
2119 	int ret;
2120 
2121 	max98095 = devm_kzalloc(&i2c->dev, sizeof(struct max98095_priv),
2122 				GFP_KERNEL);
2123 	if (max98095 == NULL)
2124 		return -ENOMEM;
2125 
2126 	mutex_init(&max98095->lock);
2127 
2128 	max98095->regmap = devm_regmap_init_i2c(i2c, &max98095_regmap);
2129 	if (IS_ERR(max98095->regmap)) {
2130 		ret = PTR_ERR(max98095->regmap);
2131 		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
2132 		return ret;
2133 	}
2134 
2135 	max98095->devtype = id->driver_data;
2136 	i2c_set_clientdata(i2c, max98095);
2137 	max98095->pdata = i2c->dev.platform_data;
2138 
2139 	ret = devm_snd_soc_register_component(&i2c->dev,
2140 				     &soc_component_dev_max98095,
2141 				     max98095_dai, ARRAY_SIZE(max98095_dai));
2142 	return ret;
2143 }
2144 
2145 static const struct i2c_device_id max98095_i2c_id[] = {
2146 	{ "max98095", MAX98095 },
2147 	{ }
2148 };
2149 MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
2150 
2151 static const struct of_device_id max98095_of_match[] = {
2152 	{ .compatible = "maxim,max98095", },
2153 	{ }
2154 };
2155 MODULE_DEVICE_TABLE(of, max98095_of_match);
2156 
2157 static struct i2c_driver max98095_i2c_driver = {
2158 	.driver = {
2159 		.name = "max98095",
2160 		.of_match_table = of_match_ptr(max98095_of_match),
2161 	},
2162 	.probe  = max98095_i2c_probe,
2163 	.id_table = max98095_i2c_id,
2164 };
2165 
2166 module_i2c_driver(max98095_i2c_driver);
2167 
2168 MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
2169 MODULE_AUTHOR("Peter Hsiang");
2170 MODULE_LICENSE("GPL");
2171