xref: /linux/sound/soc/codecs/max98090.c (revision ef815d2cba782e96b9aad9483523d474ed41c62a)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * max98090.c -- MAX98090 ALSA SoC Audio driver
4  *
5  * Copyright 2011-2012 Maxim Integrated Products
6  */
7 
8 #include <linux/delay.h>
9 #include <linux/i2c.h>
10 #include <linux/module.h>
11 #include <linux/of.h>
12 #include <linux/pm.h>
13 #include <linux/regmap.h>
14 #include <linux/slab.h>
15 #include <linux/acpi.h>
16 #include <linux/clk.h>
17 #include <sound/jack.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/tlv.h>
22 #include <sound/max98090.h>
23 #include "max98090.h"
24 
25 /* Allows for sparsely populated register maps */
26 static const struct reg_default max98090_reg[] = {
27 	{ 0x00, 0x00 }, /* 00 Software Reset */
28 	{ 0x03, 0x04 }, /* 03 Interrupt Masks */
29 	{ 0x04, 0x00 }, /* 04 System Clock Quick */
30 	{ 0x05, 0x00 }, /* 05 Sample Rate Quick */
31 	{ 0x06, 0x00 }, /* 06 DAI Interface Quick */
32 	{ 0x07, 0x00 }, /* 07 DAC Path Quick */
33 	{ 0x08, 0x00 }, /* 08 Mic/Direct to ADC Quick */
34 	{ 0x09, 0x00 }, /* 09 Line to ADC Quick */
35 	{ 0x0A, 0x00 }, /* 0A Analog Mic Loop Quick */
36 	{ 0x0B, 0x00 }, /* 0B Analog Line Loop Quick */
37 	{ 0x0C, 0x00 }, /* 0C Reserved */
38 	{ 0x0D, 0x00 }, /* 0D Input Config */
39 	{ 0x0E, 0x1B }, /* 0E Line Input Level */
40 	{ 0x0F, 0x00 }, /* 0F Line Config */
41 
42 	{ 0x10, 0x14 }, /* 10 Mic1 Input Level */
43 	{ 0x11, 0x14 }, /* 11 Mic2 Input Level */
44 	{ 0x12, 0x00 }, /* 12 Mic Bias Voltage */
45 	{ 0x13, 0x00 }, /* 13 Digital Mic Config */
46 	{ 0x14, 0x00 }, /* 14 Digital Mic Mode */
47 	{ 0x15, 0x00 }, /* 15 Left ADC Mixer */
48 	{ 0x16, 0x00 }, /* 16 Right ADC Mixer */
49 	{ 0x17, 0x03 }, /* 17 Left ADC Level */
50 	{ 0x18, 0x03 }, /* 18 Right ADC Level */
51 	{ 0x19, 0x00 }, /* 19 ADC Biquad Level */
52 	{ 0x1A, 0x00 }, /* 1A ADC Sidetone */
53 	{ 0x1B, 0x00 }, /* 1B System Clock */
54 	{ 0x1C, 0x00 }, /* 1C Clock Mode */
55 	{ 0x1D, 0x00 }, /* 1D Any Clock 1 */
56 	{ 0x1E, 0x00 }, /* 1E Any Clock 2 */
57 	{ 0x1F, 0x00 }, /* 1F Any Clock 3 */
58 
59 	{ 0x20, 0x00 }, /* 20 Any Clock 4 */
60 	{ 0x21, 0x00 }, /* 21 Master Mode */
61 	{ 0x22, 0x00 }, /* 22 Interface Format */
62 	{ 0x23, 0x00 }, /* 23 TDM Format 1*/
63 	{ 0x24, 0x00 }, /* 24 TDM Format 2*/
64 	{ 0x25, 0x00 }, /* 25 I/O Configuration */
65 	{ 0x26, 0x80 }, /* 26 Filter Config */
66 	{ 0x27, 0x00 }, /* 27 DAI Playback Level */
67 	{ 0x28, 0x00 }, /* 28 EQ Playback Level */
68 	{ 0x29, 0x00 }, /* 29 Left HP Mixer */
69 	{ 0x2A, 0x00 }, /* 2A Right HP Mixer */
70 	{ 0x2B, 0x00 }, /* 2B HP Control */
71 	{ 0x2C, 0x1A }, /* 2C Left HP Volume */
72 	{ 0x2D, 0x1A }, /* 2D Right HP Volume */
73 	{ 0x2E, 0x00 }, /* 2E Left Spk Mixer */
74 	{ 0x2F, 0x00 }, /* 2F Right Spk Mixer */
75 
76 	{ 0x30, 0x00 }, /* 30 Spk Control */
77 	{ 0x31, 0x2C }, /* 31 Left Spk Volume */
78 	{ 0x32, 0x2C }, /* 32 Right Spk Volume */
79 	{ 0x33, 0x00 }, /* 33 ALC Timing */
80 	{ 0x34, 0x00 }, /* 34 ALC Compressor */
81 	{ 0x35, 0x00 }, /* 35 ALC Expander */
82 	{ 0x36, 0x00 }, /* 36 ALC Gain */
83 	{ 0x37, 0x00 }, /* 37 Rcv/Line OutL Mixer */
84 	{ 0x38, 0x00 }, /* 38 Rcv/Line OutL Control */
85 	{ 0x39, 0x15 }, /* 39 Rcv/Line OutL Volume */
86 	{ 0x3A, 0x00 }, /* 3A Line OutR Mixer */
87 	{ 0x3B, 0x00 }, /* 3B Line OutR Control */
88 	{ 0x3C, 0x15 }, /* 3C Line OutR Volume */
89 	{ 0x3D, 0x00 }, /* 3D Jack Detect */
90 	{ 0x3E, 0x00 }, /* 3E Input Enable */
91 	{ 0x3F, 0x00 }, /* 3F Output Enable */
92 
93 	{ 0x40, 0x00 }, /* 40 Level Control */
94 	{ 0x41, 0x00 }, /* 41 DSP Filter Enable */
95 	{ 0x42, 0x00 }, /* 42 Bias Control */
96 	{ 0x43, 0x00 }, /* 43 DAC Control */
97 	{ 0x44, 0x06 }, /* 44 ADC Control */
98 	{ 0x45, 0x00 }, /* 45 Device Shutdown */
99 	{ 0x46, 0x00 }, /* 46 Equalizer Band 1 Coefficient B0 */
100 	{ 0x47, 0x00 }, /* 47 Equalizer Band 1 Coefficient B0 */
101 	{ 0x48, 0x00 }, /* 48 Equalizer Band 1 Coefficient B0 */
102 	{ 0x49, 0x00 }, /* 49 Equalizer Band 1 Coefficient B1 */
103 	{ 0x4A, 0x00 }, /* 4A Equalizer Band 1 Coefficient B1 */
104 	{ 0x4B, 0x00 }, /* 4B Equalizer Band 1 Coefficient B1 */
105 	{ 0x4C, 0x00 }, /* 4C Equalizer Band 1 Coefficient B2 */
106 	{ 0x4D, 0x00 }, /* 4D Equalizer Band 1 Coefficient B2 */
107 	{ 0x4E, 0x00 }, /* 4E Equalizer Band 1 Coefficient B2 */
108 	{ 0x4F, 0x00 }, /* 4F Equalizer Band 1 Coefficient A1 */
109 
110 	{ 0x50, 0x00 }, /* 50 Equalizer Band 1 Coefficient A1 */
111 	{ 0x51, 0x00 }, /* 51 Equalizer Band 1 Coefficient A1 */
112 	{ 0x52, 0x00 }, /* 52 Equalizer Band 1 Coefficient A2 */
113 	{ 0x53, 0x00 }, /* 53 Equalizer Band 1 Coefficient A2 */
114 	{ 0x54, 0x00 }, /* 54 Equalizer Band 1 Coefficient A2 */
115 	{ 0x55, 0x00 }, /* 55 Equalizer Band 2 Coefficient B0 */
116 	{ 0x56, 0x00 }, /* 56 Equalizer Band 2 Coefficient B0 */
117 	{ 0x57, 0x00 }, /* 57 Equalizer Band 2 Coefficient B0 */
118 	{ 0x58, 0x00 }, /* 58 Equalizer Band 2 Coefficient B1 */
119 	{ 0x59, 0x00 }, /* 59 Equalizer Band 2 Coefficient B1 */
120 	{ 0x5A, 0x00 }, /* 5A Equalizer Band 2 Coefficient B1 */
121 	{ 0x5B, 0x00 }, /* 5B Equalizer Band 2 Coefficient B2 */
122 	{ 0x5C, 0x00 }, /* 5C Equalizer Band 2 Coefficient B2 */
123 	{ 0x5D, 0x00 }, /* 5D Equalizer Band 2 Coefficient B2 */
124 	{ 0x5E, 0x00 }, /* 5E Equalizer Band 2 Coefficient A1 */
125 	{ 0x5F, 0x00 }, /* 5F Equalizer Band 2 Coefficient A1 */
126 
127 	{ 0x60, 0x00 }, /* 60 Equalizer Band 2 Coefficient A1 */
128 	{ 0x61, 0x00 }, /* 61 Equalizer Band 2 Coefficient A2 */
129 	{ 0x62, 0x00 }, /* 62 Equalizer Band 2 Coefficient A2 */
130 	{ 0x63, 0x00 }, /* 63 Equalizer Band 2 Coefficient A2 */
131 	{ 0x64, 0x00 }, /* 64 Equalizer Band 3 Coefficient B0 */
132 	{ 0x65, 0x00 }, /* 65 Equalizer Band 3 Coefficient B0 */
133 	{ 0x66, 0x00 }, /* 66 Equalizer Band 3 Coefficient B0 */
134 	{ 0x67, 0x00 }, /* 67 Equalizer Band 3 Coefficient B1 */
135 	{ 0x68, 0x00 }, /* 68 Equalizer Band 3 Coefficient B1 */
136 	{ 0x69, 0x00 }, /* 69 Equalizer Band 3 Coefficient B1 */
137 	{ 0x6A, 0x00 }, /* 6A Equalizer Band 3 Coefficient B2 */
138 	{ 0x6B, 0x00 }, /* 6B Equalizer Band 3 Coefficient B2 */
139 	{ 0x6C, 0x00 }, /* 6C Equalizer Band 3 Coefficient B2 */
140 	{ 0x6D, 0x00 }, /* 6D Equalizer Band 3 Coefficient A1 */
141 	{ 0x6E, 0x00 }, /* 6E Equalizer Band 3 Coefficient A1 */
142 	{ 0x6F, 0x00 }, /* 6F Equalizer Band 3 Coefficient A1 */
143 
144 	{ 0x70, 0x00 }, /* 70 Equalizer Band 3 Coefficient A2 */
145 	{ 0x71, 0x00 }, /* 71 Equalizer Band 3 Coefficient A2 */
146 	{ 0x72, 0x00 }, /* 72 Equalizer Band 3 Coefficient A2 */
147 	{ 0x73, 0x00 }, /* 73 Equalizer Band 4 Coefficient B0 */
148 	{ 0x74, 0x00 }, /* 74 Equalizer Band 4 Coefficient B0 */
149 	{ 0x75, 0x00 }, /* 75 Equalizer Band 4 Coefficient B0 */
150 	{ 0x76, 0x00 }, /* 76 Equalizer Band 4 Coefficient B1 */
151 	{ 0x77, 0x00 }, /* 77 Equalizer Band 4 Coefficient B1 */
152 	{ 0x78, 0x00 }, /* 78 Equalizer Band 4 Coefficient B1 */
153 	{ 0x79, 0x00 }, /* 79 Equalizer Band 4 Coefficient B2 */
154 	{ 0x7A, 0x00 }, /* 7A Equalizer Band 4 Coefficient B2 */
155 	{ 0x7B, 0x00 }, /* 7B Equalizer Band 4 Coefficient B2 */
156 	{ 0x7C, 0x00 }, /* 7C Equalizer Band 4 Coefficient A1 */
157 	{ 0x7D, 0x00 }, /* 7D Equalizer Band 4 Coefficient A1 */
158 	{ 0x7E, 0x00 }, /* 7E Equalizer Band 4 Coefficient A1 */
159 	{ 0x7F, 0x00 }, /* 7F Equalizer Band 4 Coefficient A2 */
160 
161 	{ 0x80, 0x00 }, /* 80 Equalizer Band 4 Coefficient A2 */
162 	{ 0x81, 0x00 }, /* 81 Equalizer Band 4 Coefficient A2 */
163 	{ 0x82, 0x00 }, /* 82 Equalizer Band 5 Coefficient B0 */
164 	{ 0x83, 0x00 }, /* 83 Equalizer Band 5 Coefficient B0 */
165 	{ 0x84, 0x00 }, /* 84 Equalizer Band 5 Coefficient B0 */
166 	{ 0x85, 0x00 }, /* 85 Equalizer Band 5 Coefficient B1 */
167 	{ 0x86, 0x00 }, /* 86 Equalizer Band 5 Coefficient B1 */
168 	{ 0x87, 0x00 }, /* 87 Equalizer Band 5 Coefficient B1 */
169 	{ 0x88, 0x00 }, /* 88 Equalizer Band 5 Coefficient B2 */
170 	{ 0x89, 0x00 }, /* 89 Equalizer Band 5 Coefficient B2 */
171 	{ 0x8A, 0x00 }, /* 8A Equalizer Band 5 Coefficient B2 */
172 	{ 0x8B, 0x00 }, /* 8B Equalizer Band 5 Coefficient A1 */
173 	{ 0x8C, 0x00 }, /* 8C Equalizer Band 5 Coefficient A1 */
174 	{ 0x8D, 0x00 }, /* 8D Equalizer Band 5 Coefficient A1 */
175 	{ 0x8E, 0x00 }, /* 8E Equalizer Band 5 Coefficient A2 */
176 	{ 0x8F, 0x00 }, /* 8F Equalizer Band 5 Coefficient A2 */
177 
178 	{ 0x90, 0x00 }, /* 90 Equalizer Band 5 Coefficient A2 */
179 	{ 0x91, 0x00 }, /* 91 Equalizer Band 6 Coefficient B0 */
180 	{ 0x92, 0x00 }, /* 92 Equalizer Band 6 Coefficient B0 */
181 	{ 0x93, 0x00 }, /* 93 Equalizer Band 6 Coefficient B0 */
182 	{ 0x94, 0x00 }, /* 94 Equalizer Band 6 Coefficient B1 */
183 	{ 0x95, 0x00 }, /* 95 Equalizer Band 6 Coefficient B1 */
184 	{ 0x96, 0x00 }, /* 96 Equalizer Band 6 Coefficient B1 */
185 	{ 0x97, 0x00 }, /* 97 Equalizer Band 6 Coefficient B2 */
186 	{ 0x98, 0x00 }, /* 98 Equalizer Band 6 Coefficient B2 */
187 	{ 0x99, 0x00 }, /* 99 Equalizer Band 6 Coefficient B2 */
188 	{ 0x9A, 0x00 }, /* 9A Equalizer Band 6 Coefficient A1 */
189 	{ 0x9B, 0x00 }, /* 9B Equalizer Band 6 Coefficient A1 */
190 	{ 0x9C, 0x00 }, /* 9C Equalizer Band 6 Coefficient A1 */
191 	{ 0x9D, 0x00 }, /* 9D Equalizer Band 6 Coefficient A2 */
192 	{ 0x9E, 0x00 }, /* 9E Equalizer Band 6 Coefficient A2 */
193 	{ 0x9F, 0x00 }, /* 9F Equalizer Band 6 Coefficient A2 */
194 
195 	{ 0xA0, 0x00 }, /* A0 Equalizer Band 7 Coefficient B0 */
196 	{ 0xA1, 0x00 }, /* A1 Equalizer Band 7 Coefficient B0 */
197 	{ 0xA2, 0x00 }, /* A2 Equalizer Band 7 Coefficient B0 */
198 	{ 0xA3, 0x00 }, /* A3 Equalizer Band 7 Coefficient B1 */
199 	{ 0xA4, 0x00 }, /* A4 Equalizer Band 7 Coefficient B1 */
200 	{ 0xA5, 0x00 }, /* A5 Equalizer Band 7 Coefficient B1 */
201 	{ 0xA6, 0x00 }, /* A6 Equalizer Band 7 Coefficient B2 */
202 	{ 0xA7, 0x00 }, /* A7 Equalizer Band 7 Coefficient B2 */
203 	{ 0xA8, 0x00 }, /* A8 Equalizer Band 7 Coefficient B2 */
204 	{ 0xA9, 0x00 }, /* A9 Equalizer Band 7 Coefficient A1 */
205 	{ 0xAA, 0x00 }, /* AA Equalizer Band 7 Coefficient A1 */
206 	{ 0xAB, 0x00 }, /* AB Equalizer Band 7 Coefficient A1 */
207 	{ 0xAC, 0x00 }, /* AC Equalizer Band 7 Coefficient A2 */
208 	{ 0xAD, 0x00 }, /* AD Equalizer Band 7 Coefficient A2 */
209 	{ 0xAE, 0x00 }, /* AE Equalizer Band 7 Coefficient A2 */
210 	{ 0xAF, 0x00 }, /* AF ADC Biquad Coefficient B0 */
211 
212 	{ 0xB0, 0x00 }, /* B0 ADC Biquad Coefficient B0 */
213 	{ 0xB1, 0x00 }, /* B1 ADC Biquad Coefficient B0 */
214 	{ 0xB2, 0x00 }, /* B2 ADC Biquad Coefficient B1 */
215 	{ 0xB3, 0x00 }, /* B3 ADC Biquad Coefficient B1 */
216 	{ 0xB4, 0x00 }, /* B4 ADC Biquad Coefficient B1 */
217 	{ 0xB5, 0x00 }, /* B5 ADC Biquad Coefficient B2 */
218 	{ 0xB6, 0x00 }, /* B6 ADC Biquad Coefficient B2 */
219 	{ 0xB7, 0x00 }, /* B7 ADC Biquad Coefficient B2 */
220 	{ 0xB8, 0x00 }, /* B8 ADC Biquad Coefficient A1 */
221 	{ 0xB9, 0x00 }, /* B9 ADC Biquad Coefficient A1 */
222 	{ 0xBA, 0x00 }, /* BA ADC Biquad Coefficient A1 */
223 	{ 0xBB, 0x00 }, /* BB ADC Biquad Coefficient A2 */
224 	{ 0xBC, 0x00 }, /* BC ADC Biquad Coefficient A2 */
225 	{ 0xBD, 0x00 }, /* BD ADC Biquad Coefficient A2 */
226 	{ 0xBE, 0x00 }, /* BE Digital Mic 3 Volume */
227 	{ 0xBF, 0x00 }, /* BF Digital Mic 4 Volume */
228 
229 	{ 0xC0, 0x00 }, /* C0 Digital Mic 34 Biquad Pre Atten */
230 	{ 0xC1, 0x00 }, /* C1 Record TDM Slot */
231 	{ 0xC2, 0x00 }, /* C2 Sample Rate */
232 	{ 0xC3, 0x00 }, /* C3 Digital Mic 34 Biquad Coefficient C3 */
233 	{ 0xC4, 0x00 }, /* C4 Digital Mic 34 Biquad Coefficient C4 */
234 	{ 0xC5, 0x00 }, /* C5 Digital Mic 34 Biquad Coefficient C5 */
235 	{ 0xC6, 0x00 }, /* C6 Digital Mic 34 Biquad Coefficient C6 */
236 	{ 0xC7, 0x00 }, /* C7 Digital Mic 34 Biquad Coefficient C7 */
237 	{ 0xC8, 0x00 }, /* C8 Digital Mic 34 Biquad Coefficient C8 */
238 	{ 0xC9, 0x00 }, /* C9 Digital Mic 34 Biquad Coefficient C9 */
239 	{ 0xCA, 0x00 }, /* CA Digital Mic 34 Biquad Coefficient CA */
240 	{ 0xCB, 0x00 }, /* CB Digital Mic 34 Biquad Coefficient CB */
241 	{ 0xCC, 0x00 }, /* CC Digital Mic 34 Biquad Coefficient CC */
242 	{ 0xCD, 0x00 }, /* CD Digital Mic 34 Biquad Coefficient CD */
243 	{ 0xCE, 0x00 }, /* CE Digital Mic 34 Biquad Coefficient CE */
244 	{ 0xCF, 0x00 }, /* CF Digital Mic 34 Biquad Coefficient CF */
245 
246 	{ 0xD0, 0x00 }, /* D0 Digital Mic 34 Biquad Coefficient D0 */
247 	{ 0xD1, 0x00 }, /* D1 Digital Mic 34 Biquad Coefficient D1 */
248 };
249 
250 static bool max98090_volatile_register(struct device *dev, unsigned int reg)
251 {
252 	switch (reg) {
253 	case M98090_REG_SOFTWARE_RESET:
254 	case M98090_REG_DEVICE_STATUS:
255 	case M98090_REG_JACK_STATUS:
256 	case M98090_REG_REVISION_ID:
257 		return true;
258 	default:
259 		return false;
260 	}
261 }
262 
263 static bool max98090_readable_register(struct device *dev, unsigned int reg)
264 {
265 	switch (reg) {
266 	case M98090_REG_DEVICE_STATUS ... M98090_REG_INTERRUPT_S:
267 	case M98090_REG_LINE_INPUT_CONFIG ... 0xD1:
268 	case M98090_REG_REVISION_ID:
269 		return true;
270 	default:
271 		return false;
272 	}
273 }
274 
275 static int max98090_reset(struct max98090_priv *max98090)
276 {
277 	int ret;
278 
279 	/* Reset the codec by writing to this write-only reset register */
280 	ret = regmap_write(max98090->regmap, M98090_REG_SOFTWARE_RESET,
281 		M98090_SWRESET_MASK);
282 	if (ret < 0) {
283 		dev_err(max98090->component->dev,
284 			"Failed to reset codec: %d\n", ret);
285 		return ret;
286 	}
287 
288 	msleep(20);
289 	return ret;
290 }
291 
292 static const DECLARE_TLV_DB_RANGE(max98090_micboost_tlv,
293 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
294 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
295 );
296 
297 static const DECLARE_TLV_DB_SCALE(max98090_mic_tlv, 0, 100, 0);
298 
299 static const DECLARE_TLV_DB_SCALE(max98090_line_single_ended_tlv,
300 	-600, 600, 0);
301 
302 static const DECLARE_TLV_DB_RANGE(max98090_line_tlv,
303 	0, 3, TLV_DB_SCALE_ITEM(-600, 300, 0),
304 	4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0)
305 );
306 
307 static const DECLARE_TLV_DB_SCALE(max98090_avg_tlv, 0, 600, 0);
308 static const DECLARE_TLV_DB_SCALE(max98090_av_tlv, -1200, 100, 0);
309 
310 static const DECLARE_TLV_DB_SCALE(max98090_dvg_tlv, 0, 600, 0);
311 static const DECLARE_TLV_DB_SCALE(max98090_dv_tlv, -1500, 100, 0);
312 
313 static const DECLARE_TLV_DB_SCALE(max98090_alcmakeup_tlv, 0, 100, 0);
314 static const DECLARE_TLV_DB_SCALE(max98090_alccomp_tlv, -3100, 100, 0);
315 static const DECLARE_TLV_DB_SCALE(max98090_drcexp_tlv, -6600, 100, 0);
316 static const DECLARE_TLV_DB_SCALE(max98090_sdg_tlv, 50, 200, 0);
317 
318 static const DECLARE_TLV_DB_RANGE(max98090_mixout_tlv,
319 	0, 1, TLV_DB_SCALE_ITEM(-1200, 250, 0),
320 	2, 3, TLV_DB_SCALE_ITEM(-600, 600, 0)
321 );
322 
323 static const DECLARE_TLV_DB_RANGE(max98090_hp_tlv,
324 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
325 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
326 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
327 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
328 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
329 );
330 
331 static const DECLARE_TLV_DB_RANGE(max98090_spk_tlv,
332 	0, 4, TLV_DB_SCALE_ITEM(-4800, 400, 0),
333 	5, 10, TLV_DB_SCALE_ITEM(-2900, 300, 0),
334 	11, 14, TLV_DB_SCALE_ITEM(-1200, 200, 0),
335 	15, 29, TLV_DB_SCALE_ITEM(-500, 100, 0),
336 	30, 39, TLV_DB_SCALE_ITEM(950, 50, 0)
337 );
338 
339 static const DECLARE_TLV_DB_RANGE(max98090_rcv_lout_tlv,
340 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
341 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
342 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
343 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
344 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
345 );
346 
347 static int max98090_get_enab_tlv(struct snd_kcontrol *kcontrol,
348 				struct snd_ctl_elem_value *ucontrol)
349 {
350 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
351 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
352 	struct soc_mixer_control *mc =
353 		(struct soc_mixer_control *)kcontrol->private_value;
354 	unsigned int mask = (1 << fls(mc->max)) - 1;
355 	unsigned int val = snd_soc_component_read(component, mc->reg);
356 	unsigned int *select;
357 
358 	switch (mc->reg) {
359 	case M98090_REG_MIC1_INPUT_LEVEL:
360 		select = &(max98090->pa1en);
361 		break;
362 	case M98090_REG_MIC2_INPUT_LEVEL:
363 		select = &(max98090->pa2en);
364 		break;
365 	case M98090_REG_ADC_SIDETONE:
366 		select = &(max98090->sidetone);
367 		break;
368 	default:
369 		return -EINVAL;
370 	}
371 
372 	val = (val >> mc->shift) & mask;
373 
374 	if (val >= 1) {
375 		/* If on, return the volume */
376 		val = val - 1;
377 		*select = val;
378 	} else {
379 		/* If off, return last stored value */
380 		val = *select;
381 	}
382 
383 	ucontrol->value.integer.value[0] = val;
384 	return 0;
385 }
386 
387 static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
388 				struct snd_ctl_elem_value *ucontrol)
389 {
390 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
391 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
392 	struct soc_mixer_control *mc =
393 		(struct soc_mixer_control *)kcontrol->private_value;
394 	unsigned int mask = (1 << fls(mc->max)) - 1;
395 	int sel_unchecked = ucontrol->value.integer.value[0];
396 	unsigned int sel;
397 	unsigned int val = snd_soc_component_read(component, mc->reg);
398 	unsigned int *select;
399 	int change;
400 
401 	switch (mc->reg) {
402 	case M98090_REG_MIC1_INPUT_LEVEL:
403 		select = &(max98090->pa1en);
404 		break;
405 	case M98090_REG_MIC2_INPUT_LEVEL:
406 		select = &(max98090->pa2en);
407 		break;
408 	case M98090_REG_ADC_SIDETONE:
409 		select = &(max98090->sidetone);
410 		break;
411 	default:
412 		return -EINVAL;
413 	}
414 
415 	val = (val >> mc->shift) & mask;
416 
417 	if (sel_unchecked < 0 || sel_unchecked > mc->max)
418 		return -EINVAL;
419 	sel = sel_unchecked;
420 
421 	change = *select != sel;
422 	*select = sel;
423 
424 	/* Setting a volume is only valid if it is already On */
425 	if (val >= 1) {
426 		sel = sel + 1;
427 	} else {
428 		/* Write what was already there */
429 		sel = val;
430 	}
431 
432 	snd_soc_component_update_bits(component, mc->reg,
433 		mask << mc->shift,
434 		sel << mc->shift);
435 
436 	return change;
437 }
438 
439 static const char *max98090_perf_pwr_text[] =
440 	{ "High Performance", "Low Power" };
441 static const char *max98090_pwr_perf_text[] =
442 	{ "Low Power", "High Performance" };
443 
444 static SOC_ENUM_SINGLE_DECL(max98090_vcmbandgap_enum,
445 			    M98090_REG_BIAS_CONTROL,
446 			    M98090_VCM_MODE_SHIFT,
447 			    max98090_pwr_perf_text);
448 
449 static const char *max98090_osr128_text[] = { "64*fs", "128*fs" };
450 
451 static SOC_ENUM_SINGLE_DECL(max98090_osr128_enum,
452 			    M98090_REG_ADC_CONTROL,
453 			    M98090_OSR128_SHIFT,
454 			    max98090_osr128_text);
455 
456 static const char *max98090_mode_text[] = { "Voice", "Music" };
457 
458 static SOC_ENUM_SINGLE_DECL(max98090_mode_enum,
459 			    M98090_REG_FILTER_CONFIG,
460 			    M98090_MODE_SHIFT,
461 			    max98090_mode_text);
462 
463 static SOC_ENUM_SINGLE_DECL(max98090_filter_dmic34mode_enum,
464 			    M98090_REG_FILTER_CONFIG,
465 			    M98090_FLT_DMIC34MODE_SHIFT,
466 			    max98090_mode_text);
467 
468 static const char *max98090_drcatk_text[] =
469 	{ "0.5ms", "1ms", "5ms", "10ms", "25ms", "50ms", "100ms", "200ms" };
470 
471 static SOC_ENUM_SINGLE_DECL(max98090_drcatk_enum,
472 			    M98090_REG_DRC_TIMING,
473 			    M98090_DRCATK_SHIFT,
474 			    max98090_drcatk_text);
475 
476 static const char *max98090_drcrls_text[] =
477 	{ "8s", "4s", "2s", "1s", "0.5s", "0.25s", "0.125s", "0.0625s" };
478 
479 static SOC_ENUM_SINGLE_DECL(max98090_drcrls_enum,
480 			    M98090_REG_DRC_TIMING,
481 			    M98090_DRCRLS_SHIFT,
482 			    max98090_drcrls_text);
483 
484 static const char *max98090_alccmp_text[] =
485 	{ "1:1", "1:1.5", "1:2", "1:4", "1:INF" };
486 
487 static SOC_ENUM_SINGLE_DECL(max98090_alccmp_enum,
488 			    M98090_REG_DRC_COMPRESSOR,
489 			    M98090_DRCCMP_SHIFT,
490 			    max98090_alccmp_text);
491 
492 static const char *max98090_drcexp_text[] = { "1:1", "2:1", "3:1" };
493 
494 static SOC_ENUM_SINGLE_DECL(max98090_drcexp_enum,
495 			    M98090_REG_DRC_EXPANDER,
496 			    M98090_DRCEXP_SHIFT,
497 			    max98090_drcexp_text);
498 
499 static SOC_ENUM_SINGLE_DECL(max98090_dac_perfmode_enum,
500 			    M98090_REG_DAC_CONTROL,
501 			    M98090_PERFMODE_SHIFT,
502 			    max98090_perf_pwr_text);
503 
504 static SOC_ENUM_SINGLE_DECL(max98090_dachp_enum,
505 			    M98090_REG_DAC_CONTROL,
506 			    M98090_DACHP_SHIFT,
507 			    max98090_pwr_perf_text);
508 
509 static SOC_ENUM_SINGLE_DECL(max98090_adchp_enum,
510 			    M98090_REG_ADC_CONTROL,
511 			    M98090_ADCHP_SHIFT,
512 			    max98090_pwr_perf_text);
513 
514 static const struct snd_kcontrol_new max98090_snd_controls[] = {
515 	SOC_ENUM("MIC Bias VCM Bandgap", max98090_vcmbandgap_enum),
516 
517 	SOC_SINGLE("DMIC MIC Comp Filter Config", M98090_REG_DIGITAL_MIC_CONFIG,
518 		M98090_DMIC_COMP_SHIFT, M98090_DMIC_COMP_NUM - 1, 0),
519 
520 	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
521 		M98090_REG_MIC1_INPUT_LEVEL, M98090_MIC_PA1EN_SHIFT,
522 		M98090_MIC_PA1EN_NUM - 1, 0, max98090_get_enab_tlv,
523 		max98090_put_enab_tlv, max98090_micboost_tlv),
524 
525 	SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
526 		M98090_REG_MIC2_INPUT_LEVEL, M98090_MIC_PA2EN_SHIFT,
527 		M98090_MIC_PA2EN_NUM - 1, 0, max98090_get_enab_tlv,
528 		max98090_put_enab_tlv, max98090_micboost_tlv),
529 
530 	SOC_SINGLE_TLV("MIC1 Volume", M98090_REG_MIC1_INPUT_LEVEL,
531 		M98090_MIC_PGAM1_SHIFT, M98090_MIC_PGAM1_NUM - 1, 1,
532 		max98090_mic_tlv),
533 
534 	SOC_SINGLE_TLV("MIC2 Volume", M98090_REG_MIC2_INPUT_LEVEL,
535 		M98090_MIC_PGAM2_SHIFT, M98090_MIC_PGAM2_NUM - 1, 1,
536 		max98090_mic_tlv),
537 
538 	SOC_SINGLE_RANGE_TLV("LINEA Single Ended Volume",
539 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG135_SHIFT, 0,
540 		M98090_MIXG135_NUM - 1, 1, max98090_line_single_ended_tlv),
541 
542 	SOC_SINGLE_RANGE_TLV("LINEB Single Ended Volume",
543 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG246_SHIFT, 0,
544 		M98090_MIXG246_NUM - 1, 1, max98090_line_single_ended_tlv),
545 
546 	SOC_SINGLE_RANGE_TLV("LINEA Volume", M98090_REG_LINE_INPUT_LEVEL,
547 		M98090_LINAPGA_SHIFT, 0, M98090_LINAPGA_NUM - 1, 1,
548 		max98090_line_tlv),
549 
550 	SOC_SINGLE_RANGE_TLV("LINEB Volume", M98090_REG_LINE_INPUT_LEVEL,
551 		M98090_LINBPGA_SHIFT, 0, M98090_LINBPGA_NUM - 1, 1,
552 		max98090_line_tlv),
553 
554 	SOC_SINGLE("LINEA Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
555 		M98090_EXTBUFA_SHIFT, M98090_EXTBUFA_NUM - 1, 0),
556 	SOC_SINGLE("LINEB Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
557 		M98090_EXTBUFB_SHIFT, M98090_EXTBUFB_NUM - 1, 0),
558 
559 	SOC_SINGLE_TLV("ADCL Boost Volume", M98090_REG_LEFT_ADC_LEVEL,
560 		M98090_AVLG_SHIFT, M98090_AVLG_NUM - 1, 0,
561 		max98090_avg_tlv),
562 	SOC_SINGLE_TLV("ADCR Boost Volume", M98090_REG_RIGHT_ADC_LEVEL,
563 		M98090_AVRG_SHIFT, M98090_AVLG_NUM - 1, 0,
564 		max98090_avg_tlv),
565 
566 	SOC_SINGLE_TLV("ADCL Volume", M98090_REG_LEFT_ADC_LEVEL,
567 		M98090_AVL_SHIFT, M98090_AVL_NUM - 1, 1,
568 		max98090_av_tlv),
569 	SOC_SINGLE_TLV("ADCR Volume", M98090_REG_RIGHT_ADC_LEVEL,
570 		M98090_AVR_SHIFT, M98090_AVR_NUM - 1, 1,
571 		max98090_av_tlv),
572 
573 	SOC_ENUM("ADC Oversampling Rate", max98090_osr128_enum),
574 	SOC_SINGLE("ADC Quantizer Dither", M98090_REG_ADC_CONTROL,
575 		M98090_ADCDITHER_SHIFT, M98090_ADCDITHER_NUM - 1, 0),
576 	SOC_ENUM("ADC High Performance Mode", max98090_adchp_enum),
577 
578 	SOC_SINGLE("DAC Mono Mode", M98090_REG_IO_CONFIGURATION,
579 		M98090_DMONO_SHIFT, M98090_DMONO_NUM - 1, 0),
580 	SOC_SINGLE("SDIN Mode", M98090_REG_IO_CONFIGURATION,
581 		M98090_SDIEN_SHIFT, M98090_SDIEN_NUM - 1, 0),
582 	SOC_SINGLE("SDOUT Mode", M98090_REG_IO_CONFIGURATION,
583 		M98090_SDOEN_SHIFT, M98090_SDOEN_NUM - 1, 0),
584 	SOC_SINGLE("SDOUT Hi-Z Mode", M98090_REG_IO_CONFIGURATION,
585 		M98090_HIZOFF_SHIFT, M98090_HIZOFF_NUM - 1, 1),
586 	SOC_ENUM("Filter Mode", max98090_mode_enum),
587 	SOC_SINGLE("Record Path DC Blocking", M98090_REG_FILTER_CONFIG,
588 		M98090_AHPF_SHIFT, M98090_AHPF_NUM - 1, 0),
589 	SOC_SINGLE("Playback Path DC Blocking", M98090_REG_FILTER_CONFIG,
590 		M98090_DHPF_SHIFT, M98090_DHPF_NUM - 1, 0),
591 	SOC_SINGLE_TLV("Digital BQ Volume", M98090_REG_ADC_BIQUAD_LEVEL,
592 		M98090_AVBQ_SHIFT, M98090_AVBQ_NUM - 1, 1, max98090_dv_tlv),
593 	SOC_SINGLE_EXT_TLV("Digital Sidetone Volume",
594 		M98090_REG_ADC_SIDETONE, M98090_DVST_SHIFT,
595 		M98090_DVST_NUM - 1, 1, max98090_get_enab_tlv,
596 		max98090_put_enab_tlv, max98090_sdg_tlv),
597 	SOC_SINGLE_TLV("Digital Coarse Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
598 		M98090_DVG_SHIFT, M98090_DVG_NUM - 1, 0,
599 		max98090_dvg_tlv),
600 	SOC_SINGLE_TLV("Digital Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
601 		M98090_DV_SHIFT, M98090_DV_NUM - 1, 1,
602 		max98090_dv_tlv),
603 	SND_SOC_BYTES("EQ Coefficients", M98090_REG_EQUALIZER_BASE, 105),
604 	SOC_SINGLE("Digital EQ 3 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
605 		M98090_EQ3BANDEN_SHIFT, M98090_EQ3BANDEN_NUM - 1, 0),
606 	SOC_SINGLE("Digital EQ 5 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
607 		M98090_EQ5BANDEN_SHIFT, M98090_EQ5BANDEN_NUM - 1, 0),
608 	SOC_SINGLE("Digital EQ 7 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
609 		M98090_EQ7BANDEN_SHIFT, M98090_EQ7BANDEN_NUM - 1, 0),
610 	SOC_SINGLE("Digital EQ Clipping Detection", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
611 		M98090_EQCLPN_SHIFT, M98090_EQCLPN_NUM - 1,
612 		1),
613 	SOC_SINGLE_TLV("Digital EQ Volume", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
614 		M98090_DVEQ_SHIFT, M98090_DVEQ_NUM - 1, 1,
615 		max98090_dv_tlv),
616 
617 	SOC_SINGLE("ALC Enable", M98090_REG_DRC_TIMING,
618 		M98090_DRCEN_SHIFT, M98090_DRCEN_NUM - 1, 0),
619 	SOC_ENUM("ALC Attack Time", max98090_drcatk_enum),
620 	SOC_ENUM("ALC Release Time", max98090_drcrls_enum),
621 	SOC_SINGLE_TLV("ALC Make Up Volume", M98090_REG_DRC_GAIN,
622 		M98090_DRCG_SHIFT, M98090_DRCG_NUM - 1, 0,
623 		max98090_alcmakeup_tlv),
624 	SOC_ENUM("ALC Compression Ratio", max98090_alccmp_enum),
625 	SOC_ENUM("ALC Expansion Ratio", max98090_drcexp_enum),
626 	SOC_SINGLE_TLV("ALC Compression Threshold Volume",
627 		M98090_REG_DRC_COMPRESSOR, M98090_DRCTHC_SHIFT,
628 		M98090_DRCTHC_NUM - 1, 1, max98090_alccomp_tlv),
629 	SOC_SINGLE_TLV("ALC Expansion Threshold Volume",
630 		M98090_REG_DRC_EXPANDER, M98090_DRCTHE_SHIFT,
631 		M98090_DRCTHE_NUM - 1, 1, max98090_drcexp_tlv),
632 
633 	SOC_ENUM("DAC HP Playback Performance Mode",
634 		max98090_dac_perfmode_enum),
635 	SOC_ENUM("DAC High Performance Mode", max98090_dachp_enum),
636 
637 	SOC_SINGLE_TLV("Headphone Left Mixer Volume",
638 		M98090_REG_HP_CONTROL, M98090_MIXHPLG_SHIFT,
639 		M98090_MIXHPLG_NUM - 1, 1, max98090_mixout_tlv),
640 	SOC_SINGLE_TLV("Headphone Right Mixer Volume",
641 		M98090_REG_HP_CONTROL, M98090_MIXHPRG_SHIFT,
642 		M98090_MIXHPRG_NUM - 1, 1, max98090_mixout_tlv),
643 
644 	SOC_SINGLE_TLV("Speaker Left Mixer Volume",
645 		M98090_REG_SPK_CONTROL, M98090_MIXSPLG_SHIFT,
646 		M98090_MIXSPLG_NUM - 1, 1, max98090_mixout_tlv),
647 	SOC_SINGLE_TLV("Speaker Right Mixer Volume",
648 		M98090_REG_SPK_CONTROL, M98090_MIXSPRG_SHIFT,
649 		M98090_MIXSPRG_NUM - 1, 1, max98090_mixout_tlv),
650 
651 	SOC_SINGLE_TLV("Receiver Left Mixer Volume",
652 		M98090_REG_RCV_LOUTL_CONTROL, M98090_MIXRCVLG_SHIFT,
653 		M98090_MIXRCVLG_NUM - 1, 1, max98090_mixout_tlv),
654 	SOC_SINGLE_TLV("Receiver Right Mixer Volume",
655 		M98090_REG_LOUTR_CONTROL, M98090_MIXRCVRG_SHIFT,
656 		M98090_MIXRCVRG_NUM - 1, 1, max98090_mixout_tlv),
657 
658 	SOC_DOUBLE_R_TLV("Headphone Volume", M98090_REG_LEFT_HP_VOLUME,
659 		M98090_REG_RIGHT_HP_VOLUME, M98090_HPVOLL_SHIFT,
660 		M98090_HPVOLL_NUM - 1, 0, max98090_hp_tlv),
661 
662 	SOC_DOUBLE_R_RANGE_TLV("Speaker Volume",
663 		M98090_REG_LEFT_SPK_VOLUME, M98090_REG_RIGHT_SPK_VOLUME,
664 		M98090_SPVOLL_SHIFT, 24, M98090_SPVOLL_NUM - 1 + 24,
665 		0, max98090_spk_tlv),
666 
667 	SOC_DOUBLE_R_TLV("Receiver Volume", M98090_REG_RCV_LOUTL_VOLUME,
668 		M98090_REG_LOUTR_VOLUME, M98090_RCVLVOL_SHIFT,
669 		M98090_RCVLVOL_NUM - 1, 0, max98090_rcv_lout_tlv),
670 
671 	SOC_SINGLE("Headphone Left Switch", M98090_REG_LEFT_HP_VOLUME,
672 		M98090_HPLM_SHIFT, 1, 1),
673 	SOC_SINGLE("Headphone Right Switch", M98090_REG_RIGHT_HP_VOLUME,
674 		M98090_HPRM_SHIFT, 1, 1),
675 
676 	SOC_SINGLE("Speaker Left Switch", M98090_REG_LEFT_SPK_VOLUME,
677 		M98090_SPLM_SHIFT, 1, 1),
678 	SOC_SINGLE("Speaker Right Switch", M98090_REG_RIGHT_SPK_VOLUME,
679 		M98090_SPRM_SHIFT, 1, 1),
680 
681 	SOC_SINGLE("Receiver Left Switch", M98090_REG_RCV_LOUTL_VOLUME,
682 		M98090_RCVLM_SHIFT, 1, 1),
683 	SOC_SINGLE("Receiver Right Switch", M98090_REG_LOUTR_VOLUME,
684 		M98090_RCVRM_SHIFT, 1, 1),
685 
686 	SOC_SINGLE("Zero-Crossing Detection", M98090_REG_LEVEL_CONTROL,
687 		M98090_ZDENN_SHIFT, M98090_ZDENN_NUM - 1, 1),
688 	SOC_SINGLE("Enhanced Vol Smoothing", M98090_REG_LEVEL_CONTROL,
689 		M98090_VS2ENN_SHIFT, M98090_VS2ENN_NUM - 1, 1),
690 	SOC_SINGLE("Volume Adjustment Smoothing", M98090_REG_LEVEL_CONTROL,
691 		M98090_VSENN_SHIFT, M98090_VSENN_NUM - 1, 1),
692 
693 	SND_SOC_BYTES("Biquad Coefficients", M98090_REG_RECORD_BIQUAD_BASE, 15),
694 	SOC_SINGLE("Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
695 		M98090_ADCBQEN_SHIFT, M98090_ADCBQEN_NUM - 1, 0),
696 };
697 
698 static const struct snd_kcontrol_new max98091_snd_controls[] = {
699 
700 	SOC_SINGLE("DMIC34 Zeropad", M98090_REG_SAMPLE_RATE,
701 		M98090_DMIC34_ZEROPAD_SHIFT,
702 		M98090_DMIC34_ZEROPAD_NUM - 1, 0),
703 
704 	SOC_ENUM("Filter DMIC34 Mode", max98090_filter_dmic34mode_enum),
705 	SOC_SINGLE("DMIC34 DC Blocking", M98090_REG_FILTER_CONFIG,
706 		M98090_FLT_DMIC34HPF_SHIFT,
707 		M98090_FLT_DMIC34HPF_NUM - 1, 0),
708 
709 	SOC_SINGLE_TLV("DMIC3 Boost Volume", M98090_REG_DMIC3_VOLUME,
710 		M98090_DMIC_AV3G_SHIFT, M98090_DMIC_AV3G_NUM - 1, 0,
711 		max98090_avg_tlv),
712 	SOC_SINGLE_TLV("DMIC4 Boost Volume", M98090_REG_DMIC4_VOLUME,
713 		M98090_DMIC_AV4G_SHIFT, M98090_DMIC_AV4G_NUM - 1, 0,
714 		max98090_avg_tlv),
715 
716 	SOC_SINGLE_TLV("DMIC3 Volume", M98090_REG_DMIC3_VOLUME,
717 		M98090_DMIC_AV3_SHIFT, M98090_DMIC_AV3_NUM - 1, 1,
718 		max98090_av_tlv),
719 	SOC_SINGLE_TLV("DMIC4 Volume", M98090_REG_DMIC4_VOLUME,
720 		M98090_DMIC_AV4_SHIFT, M98090_DMIC_AV4_NUM - 1, 1,
721 		max98090_av_tlv),
722 
723 	SND_SOC_BYTES("DMIC34 Biquad Coefficients",
724 		M98090_REG_DMIC34_BIQUAD_BASE, 15),
725 	SOC_SINGLE("DMIC34 Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
726 		M98090_DMIC34BQEN_SHIFT, M98090_DMIC34BQEN_NUM - 1, 0),
727 
728 	SOC_SINGLE_TLV("DMIC34 BQ PreAttenuation Volume",
729 		M98090_REG_DMIC34_BQ_PREATTEN, M98090_AV34BQ_SHIFT,
730 		M98090_AV34BQ_NUM - 1, 1, max98090_dv_tlv),
731 };
732 
733 static int max98090_micinput_event(struct snd_soc_dapm_widget *w,
734 				 struct snd_kcontrol *kcontrol, int event)
735 {
736 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
737 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
738 
739 	unsigned int val = snd_soc_component_read(component, w->reg);
740 
741 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
742 		val = (val & M98090_MIC_PA1EN_MASK) >> M98090_MIC_PA1EN_SHIFT;
743 	else
744 		val = (val & M98090_MIC_PA2EN_MASK) >> M98090_MIC_PA2EN_SHIFT;
745 
746 	if (val >= 1) {
747 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL) {
748 			max98090->pa1en = val - 1; /* Update for volatile */
749 		} else {
750 			max98090->pa2en = val - 1; /* Update for volatile */
751 		}
752 	}
753 
754 	switch (event) {
755 	case SND_SOC_DAPM_POST_PMU:
756 		/* If turning on, set to most recently selected volume */
757 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
758 			val = max98090->pa1en + 1;
759 		else
760 			val = max98090->pa2en + 1;
761 		break;
762 	case SND_SOC_DAPM_POST_PMD:
763 		/* If turning off, turn off */
764 		val = 0;
765 		break;
766 	default:
767 		return -EINVAL;
768 	}
769 
770 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
771 		snd_soc_component_update_bits(component, w->reg, M98090_MIC_PA1EN_MASK,
772 			val << M98090_MIC_PA1EN_SHIFT);
773 	else
774 		snd_soc_component_update_bits(component, w->reg, M98090_MIC_PA2EN_MASK,
775 			val << M98090_MIC_PA2EN_SHIFT);
776 
777 	return 0;
778 }
779 
780 static int max98090_shdn_event(struct snd_soc_dapm_widget *w,
781 				 struct snd_kcontrol *kcontrol, int event)
782 {
783 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
784 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
785 
786 	if (event & SND_SOC_DAPM_POST_PMU)
787 		max98090->shdn_pending = true;
788 
789 	return 0;
790 
791 }
792 
793 static const char *mic1_mux_text[] = { "IN12", "IN56" };
794 
795 static SOC_ENUM_SINGLE_DECL(mic1_mux_enum,
796 			    M98090_REG_INPUT_MODE,
797 			    M98090_EXTMIC1_SHIFT,
798 			    mic1_mux_text);
799 
800 static const struct snd_kcontrol_new max98090_mic1_mux =
801 	SOC_DAPM_ENUM("MIC1 Mux", mic1_mux_enum);
802 
803 static const char *mic2_mux_text[] = { "IN34", "IN56" };
804 
805 static SOC_ENUM_SINGLE_DECL(mic2_mux_enum,
806 			    M98090_REG_INPUT_MODE,
807 			    M98090_EXTMIC2_SHIFT,
808 			    mic2_mux_text);
809 
810 static const struct snd_kcontrol_new max98090_mic2_mux =
811 	SOC_DAPM_ENUM("MIC2 Mux", mic2_mux_enum);
812 
813 static const char *dmic_mux_text[] = { "ADC", "DMIC" };
814 
815 static SOC_ENUM_SINGLE_VIRT_DECL(dmic_mux_enum, dmic_mux_text);
816 
817 static const struct snd_kcontrol_new max98090_dmic_mux =
818 	SOC_DAPM_ENUM("DMIC Mux", dmic_mux_enum);
819 
820 /* LINEA mixer switch */
821 static const struct snd_kcontrol_new max98090_linea_mixer_controls[] = {
822 	SOC_DAPM_SINGLE("IN1 Switch", M98090_REG_LINE_INPUT_CONFIG,
823 		M98090_IN1SEEN_SHIFT, 1, 0),
824 	SOC_DAPM_SINGLE("IN3 Switch", M98090_REG_LINE_INPUT_CONFIG,
825 		M98090_IN3SEEN_SHIFT, 1, 0),
826 	SOC_DAPM_SINGLE("IN5 Switch", M98090_REG_LINE_INPUT_CONFIG,
827 		M98090_IN5SEEN_SHIFT, 1, 0),
828 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LINE_INPUT_CONFIG,
829 		M98090_IN34DIFF_SHIFT, 1, 0),
830 };
831 
832 /* LINEB mixer switch */
833 static const struct snd_kcontrol_new max98090_lineb_mixer_controls[] = {
834 	SOC_DAPM_SINGLE("IN2 Switch", M98090_REG_LINE_INPUT_CONFIG,
835 		M98090_IN2SEEN_SHIFT, 1, 0),
836 	SOC_DAPM_SINGLE("IN4 Switch", M98090_REG_LINE_INPUT_CONFIG,
837 		M98090_IN4SEEN_SHIFT, 1, 0),
838 	SOC_DAPM_SINGLE("IN6 Switch", M98090_REG_LINE_INPUT_CONFIG,
839 		M98090_IN6SEEN_SHIFT, 1, 0),
840 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LINE_INPUT_CONFIG,
841 		M98090_IN56DIFF_SHIFT, 1, 0),
842 };
843 
844 /* Left ADC mixer switch */
845 static const struct snd_kcontrol_new max98090_left_adc_mixer_controls[] = {
846 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_LEFT_ADC_MIXER,
847 		M98090_MIXADL_IN12DIFF_SHIFT, 1, 0),
848 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LEFT_ADC_MIXER,
849 		M98090_MIXADL_IN34DIFF_SHIFT, 1, 0),
850 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LEFT_ADC_MIXER,
851 		M98090_MIXADL_IN65DIFF_SHIFT, 1, 0),
852 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_ADC_MIXER,
853 		M98090_MIXADL_LINEA_SHIFT, 1, 0),
854 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_ADC_MIXER,
855 		M98090_MIXADL_LINEB_SHIFT, 1, 0),
856 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_ADC_MIXER,
857 		M98090_MIXADL_MIC1_SHIFT, 1, 0),
858 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_ADC_MIXER,
859 		M98090_MIXADL_MIC2_SHIFT, 1, 0),
860 };
861 
862 /* Right ADC mixer switch */
863 static const struct snd_kcontrol_new max98090_right_adc_mixer_controls[] = {
864 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_RIGHT_ADC_MIXER,
865 		M98090_MIXADR_IN12DIFF_SHIFT, 1, 0),
866 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_RIGHT_ADC_MIXER,
867 		M98090_MIXADR_IN34DIFF_SHIFT, 1, 0),
868 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_RIGHT_ADC_MIXER,
869 		M98090_MIXADR_IN65DIFF_SHIFT, 1, 0),
870 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_ADC_MIXER,
871 		M98090_MIXADR_LINEA_SHIFT, 1, 0),
872 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_ADC_MIXER,
873 		M98090_MIXADR_LINEB_SHIFT, 1, 0),
874 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_ADC_MIXER,
875 		M98090_MIXADR_MIC1_SHIFT, 1, 0),
876 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_ADC_MIXER,
877 		M98090_MIXADR_MIC2_SHIFT, 1, 0),
878 };
879 
880 static const char *lten_mux_text[] = { "Normal", "Loopthrough" };
881 
882 static SOC_ENUM_SINGLE_DECL(ltenl_mux_enum,
883 			    M98090_REG_IO_CONFIGURATION,
884 			    M98090_LTEN_SHIFT,
885 			    lten_mux_text);
886 
887 static SOC_ENUM_SINGLE_DECL(ltenr_mux_enum,
888 			    M98090_REG_IO_CONFIGURATION,
889 			    M98090_LTEN_SHIFT,
890 			    lten_mux_text);
891 
892 static const struct snd_kcontrol_new max98090_ltenl_mux =
893 	SOC_DAPM_ENUM("LTENL Mux", ltenl_mux_enum);
894 
895 static const struct snd_kcontrol_new max98090_ltenr_mux =
896 	SOC_DAPM_ENUM("LTENR Mux", ltenr_mux_enum);
897 
898 static const char *lben_mux_text[] = { "Normal", "Loopback" };
899 
900 static SOC_ENUM_SINGLE_DECL(lbenl_mux_enum,
901 			    M98090_REG_IO_CONFIGURATION,
902 			    M98090_LBEN_SHIFT,
903 			    lben_mux_text);
904 
905 static SOC_ENUM_SINGLE_DECL(lbenr_mux_enum,
906 			    M98090_REG_IO_CONFIGURATION,
907 			    M98090_LBEN_SHIFT,
908 			    lben_mux_text);
909 
910 static const struct snd_kcontrol_new max98090_lbenl_mux =
911 	SOC_DAPM_ENUM("LBENL Mux", lbenl_mux_enum);
912 
913 static const struct snd_kcontrol_new max98090_lbenr_mux =
914 	SOC_DAPM_ENUM("LBENR Mux", lbenr_mux_enum);
915 
916 static const char *stenl_mux_text[] = { "Normal", "Sidetone Left" };
917 
918 static const char *stenr_mux_text[] = { "Normal", "Sidetone Right" };
919 
920 static SOC_ENUM_SINGLE_DECL(stenl_mux_enum,
921 			    M98090_REG_ADC_SIDETONE,
922 			    M98090_DSTSL_SHIFT,
923 			    stenl_mux_text);
924 
925 static SOC_ENUM_SINGLE_DECL(stenr_mux_enum,
926 			    M98090_REG_ADC_SIDETONE,
927 			    M98090_DSTSR_SHIFT,
928 			    stenr_mux_text);
929 
930 static const struct snd_kcontrol_new max98090_stenl_mux =
931 	SOC_DAPM_ENUM("STENL Mux", stenl_mux_enum);
932 
933 static const struct snd_kcontrol_new max98090_stenr_mux =
934 	SOC_DAPM_ENUM("STENR Mux", stenr_mux_enum);
935 
936 /* Left speaker mixer switch */
937 static const struct
938 	snd_kcontrol_new max98090_left_speaker_mixer_controls[] = {
939 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_SPK_MIXER,
940 		M98090_MIXSPL_DACL_SHIFT, 1, 0),
941 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_SPK_MIXER,
942 		M98090_MIXSPL_DACR_SHIFT, 1, 0),
943 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_SPK_MIXER,
944 		M98090_MIXSPL_LINEA_SHIFT, 1, 0),
945 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_SPK_MIXER,
946 		M98090_MIXSPL_LINEB_SHIFT, 1, 0),
947 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_SPK_MIXER,
948 		M98090_MIXSPL_MIC1_SHIFT, 1, 0),
949 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_SPK_MIXER,
950 		M98090_MIXSPL_MIC2_SHIFT, 1, 0),
951 };
952 
953 /* Right speaker mixer switch */
954 static const struct
955 	snd_kcontrol_new max98090_right_speaker_mixer_controls[] = {
956 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
957 		M98090_MIXSPR_DACL_SHIFT, 1, 0),
958 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
959 		M98090_MIXSPR_DACR_SHIFT, 1, 0),
960 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_SPK_MIXER,
961 		M98090_MIXSPR_LINEA_SHIFT, 1, 0),
962 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_SPK_MIXER,
963 		M98090_MIXSPR_LINEB_SHIFT, 1, 0),
964 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_SPK_MIXER,
965 		M98090_MIXSPR_MIC1_SHIFT, 1, 0),
966 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_SPK_MIXER,
967 		M98090_MIXSPR_MIC2_SHIFT, 1, 0),
968 };
969 
970 /* Left headphone mixer switch */
971 static const struct snd_kcontrol_new max98090_left_hp_mixer_controls[] = {
972 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_HP_MIXER,
973 		M98090_MIXHPL_DACL_SHIFT, 1, 0),
974 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_HP_MIXER,
975 		M98090_MIXHPL_DACR_SHIFT, 1, 0),
976 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_HP_MIXER,
977 		M98090_MIXHPL_LINEA_SHIFT, 1, 0),
978 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_HP_MIXER,
979 		M98090_MIXHPL_LINEB_SHIFT, 1, 0),
980 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_HP_MIXER,
981 		M98090_MIXHPL_MIC1_SHIFT, 1, 0),
982 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_HP_MIXER,
983 		M98090_MIXHPL_MIC2_SHIFT, 1, 0),
984 };
985 
986 /* Right headphone mixer switch */
987 static const struct snd_kcontrol_new max98090_right_hp_mixer_controls[] = {
988 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_HP_MIXER,
989 		M98090_MIXHPR_DACL_SHIFT, 1, 0),
990 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_HP_MIXER,
991 		M98090_MIXHPR_DACR_SHIFT, 1, 0),
992 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_HP_MIXER,
993 		M98090_MIXHPR_LINEA_SHIFT, 1, 0),
994 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_HP_MIXER,
995 		M98090_MIXHPR_LINEB_SHIFT, 1, 0),
996 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_HP_MIXER,
997 		M98090_MIXHPR_MIC1_SHIFT, 1, 0),
998 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_HP_MIXER,
999 		M98090_MIXHPR_MIC2_SHIFT, 1, 0),
1000 };
1001 
1002 /* Left receiver mixer switch */
1003 static const struct snd_kcontrol_new max98090_left_rcv_mixer_controls[] = {
1004 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1005 		M98090_MIXRCVL_DACL_SHIFT, 1, 0),
1006 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1007 		M98090_MIXRCVL_DACR_SHIFT, 1, 0),
1008 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RCV_LOUTL_MIXER,
1009 		M98090_MIXRCVL_LINEA_SHIFT, 1, 0),
1010 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RCV_LOUTL_MIXER,
1011 		M98090_MIXRCVL_LINEB_SHIFT, 1, 0),
1012 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RCV_LOUTL_MIXER,
1013 		M98090_MIXRCVL_MIC1_SHIFT, 1, 0),
1014 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RCV_LOUTL_MIXER,
1015 		M98090_MIXRCVL_MIC2_SHIFT, 1, 0),
1016 };
1017 
1018 /* Right receiver mixer switch */
1019 static const struct snd_kcontrol_new max98090_right_rcv_mixer_controls[] = {
1020 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LOUTR_MIXER,
1021 		M98090_MIXRCVR_DACL_SHIFT, 1, 0),
1022 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LOUTR_MIXER,
1023 		M98090_MIXRCVR_DACR_SHIFT, 1, 0),
1024 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LOUTR_MIXER,
1025 		M98090_MIXRCVR_LINEA_SHIFT, 1, 0),
1026 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LOUTR_MIXER,
1027 		M98090_MIXRCVR_LINEB_SHIFT, 1, 0),
1028 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LOUTR_MIXER,
1029 		M98090_MIXRCVR_MIC1_SHIFT, 1, 0),
1030 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LOUTR_MIXER,
1031 		M98090_MIXRCVR_MIC2_SHIFT, 1, 0),
1032 };
1033 
1034 static const char *linmod_mux_text[] = { "Left Only", "Left and Right" };
1035 
1036 static SOC_ENUM_SINGLE_DECL(linmod_mux_enum,
1037 			    M98090_REG_LOUTR_MIXER,
1038 			    M98090_LINMOD_SHIFT,
1039 			    linmod_mux_text);
1040 
1041 static const struct snd_kcontrol_new max98090_linmod_mux =
1042 	SOC_DAPM_ENUM("LINMOD Mux", linmod_mux_enum);
1043 
1044 static const char *mixhpsel_mux_text[] = { "DAC Only", "HP Mixer" };
1045 
1046 /*
1047  * This is a mux as it selects the HP output, but to DAPM it is a Mixer enable
1048  */
1049 static SOC_ENUM_SINGLE_DECL(mixhplsel_mux_enum,
1050 			    M98090_REG_HP_CONTROL,
1051 			    M98090_MIXHPLSEL_SHIFT,
1052 			    mixhpsel_mux_text);
1053 
1054 static const struct snd_kcontrol_new max98090_mixhplsel_mux =
1055 	SOC_DAPM_ENUM("MIXHPLSEL Mux", mixhplsel_mux_enum);
1056 
1057 static SOC_ENUM_SINGLE_DECL(mixhprsel_mux_enum,
1058 			    M98090_REG_HP_CONTROL,
1059 			    M98090_MIXHPRSEL_SHIFT,
1060 			    mixhpsel_mux_text);
1061 
1062 static const struct snd_kcontrol_new max98090_mixhprsel_mux =
1063 	SOC_DAPM_ENUM("MIXHPRSEL Mux", mixhprsel_mux_enum);
1064 
1065 static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
1066 	SND_SOC_DAPM_INPUT("MIC1"),
1067 	SND_SOC_DAPM_INPUT("MIC2"),
1068 	SND_SOC_DAPM_INPUT("DMICL"),
1069 	SND_SOC_DAPM_INPUT("DMICR"),
1070 	SND_SOC_DAPM_INPUT("IN1"),
1071 	SND_SOC_DAPM_INPUT("IN2"),
1072 	SND_SOC_DAPM_INPUT("IN3"),
1073 	SND_SOC_DAPM_INPUT("IN4"),
1074 	SND_SOC_DAPM_INPUT("IN5"),
1075 	SND_SOC_DAPM_INPUT("IN6"),
1076 	SND_SOC_DAPM_INPUT("IN12"),
1077 	SND_SOC_DAPM_INPUT("IN34"),
1078 	SND_SOC_DAPM_INPUT("IN56"),
1079 
1080 	SND_SOC_DAPM_SUPPLY("MICBIAS", M98090_REG_INPUT_ENABLE,
1081 		M98090_MBEN_SHIFT, 0, NULL, 0),
1082 	SND_SOC_DAPM_SUPPLY("SHDN", M98090_REG_DEVICE_SHUTDOWN,
1083 		M98090_SHDNN_SHIFT, 0, NULL, 0),
1084 	SND_SOC_DAPM_SUPPLY("SDIEN", M98090_REG_IO_CONFIGURATION,
1085 		M98090_SDIEN_SHIFT, 0, NULL, 0),
1086 	SND_SOC_DAPM_SUPPLY("SDOEN", M98090_REG_IO_CONFIGURATION,
1087 		M98090_SDOEN_SHIFT, 0, NULL, 0),
1088 	SND_SOC_DAPM_SUPPLY("DMICL_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1089 		 M98090_DIGMICL_SHIFT, 0, max98090_shdn_event,
1090 			SND_SOC_DAPM_POST_PMU),
1091 	SND_SOC_DAPM_SUPPLY("DMICR_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1092 		 M98090_DIGMICR_SHIFT, 0, max98090_shdn_event,
1093 			 SND_SOC_DAPM_POST_PMU),
1094 	SND_SOC_DAPM_SUPPLY("AHPF", M98090_REG_FILTER_CONFIG,
1095 		M98090_AHPF_SHIFT, 0, NULL, 0),
1096 
1097 /*
1098  * Note: Sysclk and misc power supplies are taken care of by SHDN
1099  */
1100 
1101 	SND_SOC_DAPM_MUX("MIC1 Mux", SND_SOC_NOPM,
1102 		0, 0, &max98090_mic1_mux),
1103 
1104 	SND_SOC_DAPM_MUX("MIC2 Mux", SND_SOC_NOPM,
1105 		0, 0, &max98090_mic2_mux),
1106 
1107 	SND_SOC_DAPM_MUX("DMIC Mux", SND_SOC_NOPM, 0, 0, &max98090_dmic_mux),
1108 
1109 	SND_SOC_DAPM_PGA_E("MIC1 Input", M98090_REG_MIC1_INPUT_LEVEL,
1110 		M98090_MIC_PA1EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1111 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1112 
1113 	SND_SOC_DAPM_PGA_E("MIC2 Input", M98090_REG_MIC2_INPUT_LEVEL,
1114 		M98090_MIC_PA2EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1115 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1116 
1117 	SND_SOC_DAPM_MIXER("LINEA Mixer", SND_SOC_NOPM, 0, 0,
1118 		&max98090_linea_mixer_controls[0],
1119 		ARRAY_SIZE(max98090_linea_mixer_controls)),
1120 
1121 	SND_SOC_DAPM_MIXER("LINEB Mixer", SND_SOC_NOPM, 0, 0,
1122 		&max98090_lineb_mixer_controls[0],
1123 		ARRAY_SIZE(max98090_lineb_mixer_controls)),
1124 
1125 	SND_SOC_DAPM_PGA("LINEA Input", M98090_REG_INPUT_ENABLE,
1126 		M98090_LINEAEN_SHIFT, 0, NULL, 0),
1127 	SND_SOC_DAPM_PGA("LINEB Input", M98090_REG_INPUT_ENABLE,
1128 		M98090_LINEBEN_SHIFT, 0, NULL, 0),
1129 
1130 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1131 		&max98090_left_adc_mixer_controls[0],
1132 		ARRAY_SIZE(max98090_left_adc_mixer_controls)),
1133 
1134 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1135 		&max98090_right_adc_mixer_controls[0],
1136 		ARRAY_SIZE(max98090_right_adc_mixer_controls)),
1137 
1138 	SND_SOC_DAPM_ADC_E("ADCL", NULL, M98090_REG_INPUT_ENABLE,
1139 		M98090_ADLEN_SHIFT, 0, max98090_shdn_event,
1140 		SND_SOC_DAPM_POST_PMU),
1141 	SND_SOC_DAPM_ADC_E("ADCR", NULL, M98090_REG_INPUT_ENABLE,
1142 		M98090_ADREN_SHIFT, 0, max98090_shdn_event,
1143 		SND_SOC_DAPM_POST_PMU),
1144 
1145 	SND_SOC_DAPM_AIF_OUT("AIFOUTL", "HiFi Capture", 0,
1146 		SND_SOC_NOPM, 0, 0),
1147 	SND_SOC_DAPM_AIF_OUT("AIFOUTR", "HiFi Capture", 1,
1148 		SND_SOC_NOPM, 0, 0),
1149 
1150 	SND_SOC_DAPM_MUX("LBENL Mux", SND_SOC_NOPM,
1151 		0, 0, &max98090_lbenl_mux),
1152 
1153 	SND_SOC_DAPM_MUX("LBENR Mux", SND_SOC_NOPM,
1154 		0, 0, &max98090_lbenr_mux),
1155 
1156 	SND_SOC_DAPM_MUX("LTENL Mux", SND_SOC_NOPM,
1157 		0, 0, &max98090_ltenl_mux),
1158 
1159 	SND_SOC_DAPM_MUX("LTENR Mux", SND_SOC_NOPM,
1160 		0, 0, &max98090_ltenr_mux),
1161 
1162 	SND_SOC_DAPM_MUX("STENL Mux", SND_SOC_NOPM,
1163 		0, 0, &max98090_stenl_mux),
1164 
1165 	SND_SOC_DAPM_MUX("STENR Mux", SND_SOC_NOPM,
1166 		0, 0, &max98090_stenr_mux),
1167 
1168 	SND_SOC_DAPM_AIF_IN("AIFINL", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
1169 	SND_SOC_DAPM_AIF_IN("AIFINR", "HiFi Playback", 1, SND_SOC_NOPM, 0, 0),
1170 
1171 	SND_SOC_DAPM_DAC("DACL", NULL, M98090_REG_OUTPUT_ENABLE,
1172 		M98090_DALEN_SHIFT, 0),
1173 	SND_SOC_DAPM_DAC("DACR", NULL, M98090_REG_OUTPUT_ENABLE,
1174 		M98090_DAREN_SHIFT, 0),
1175 
1176 	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
1177 		&max98090_left_hp_mixer_controls[0],
1178 		ARRAY_SIZE(max98090_left_hp_mixer_controls)),
1179 
1180 	SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
1181 		&max98090_right_hp_mixer_controls[0],
1182 		ARRAY_SIZE(max98090_right_hp_mixer_controls)),
1183 
1184 	SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
1185 		&max98090_left_speaker_mixer_controls[0],
1186 		ARRAY_SIZE(max98090_left_speaker_mixer_controls)),
1187 
1188 	SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
1189 		&max98090_right_speaker_mixer_controls[0],
1190 		ARRAY_SIZE(max98090_right_speaker_mixer_controls)),
1191 
1192 	SND_SOC_DAPM_MIXER("Left Receiver Mixer", SND_SOC_NOPM, 0, 0,
1193 		&max98090_left_rcv_mixer_controls[0],
1194 		ARRAY_SIZE(max98090_left_rcv_mixer_controls)),
1195 
1196 	SND_SOC_DAPM_MIXER("Right Receiver Mixer", SND_SOC_NOPM, 0, 0,
1197 		&max98090_right_rcv_mixer_controls[0],
1198 		ARRAY_SIZE(max98090_right_rcv_mixer_controls)),
1199 
1200 	SND_SOC_DAPM_MUX("LINMOD Mux", SND_SOC_NOPM, 0, 0,
1201 		&max98090_linmod_mux),
1202 
1203 	SND_SOC_DAPM_MUX("MIXHPLSEL Mux", SND_SOC_NOPM, 0, 0,
1204 		&max98090_mixhplsel_mux),
1205 
1206 	SND_SOC_DAPM_MUX("MIXHPRSEL Mux", SND_SOC_NOPM, 0, 0,
1207 		&max98090_mixhprsel_mux),
1208 
1209 	SND_SOC_DAPM_PGA("HP Left Out", M98090_REG_OUTPUT_ENABLE,
1210 		M98090_HPLEN_SHIFT, 0, NULL, 0),
1211 	SND_SOC_DAPM_PGA("HP Right Out", M98090_REG_OUTPUT_ENABLE,
1212 		M98090_HPREN_SHIFT, 0, NULL, 0),
1213 
1214 	SND_SOC_DAPM_PGA("SPK Left Out", M98090_REG_OUTPUT_ENABLE,
1215 		M98090_SPLEN_SHIFT, 0, NULL, 0),
1216 	SND_SOC_DAPM_PGA("SPK Right Out", M98090_REG_OUTPUT_ENABLE,
1217 		M98090_SPREN_SHIFT, 0, NULL, 0),
1218 
1219 	SND_SOC_DAPM_PGA("RCV Left Out", M98090_REG_OUTPUT_ENABLE,
1220 		M98090_RCVLEN_SHIFT, 0, NULL, 0),
1221 	SND_SOC_DAPM_PGA("RCV Right Out", M98090_REG_OUTPUT_ENABLE,
1222 		M98090_RCVREN_SHIFT, 0, NULL, 0),
1223 
1224 	SND_SOC_DAPM_OUTPUT("HPL"),
1225 	SND_SOC_DAPM_OUTPUT("HPR"),
1226 	SND_SOC_DAPM_OUTPUT("SPKL"),
1227 	SND_SOC_DAPM_OUTPUT("SPKR"),
1228 	SND_SOC_DAPM_OUTPUT("RCVL"),
1229 	SND_SOC_DAPM_OUTPUT("RCVR"),
1230 };
1231 
1232 static const struct snd_soc_dapm_widget max98091_dapm_widgets[] = {
1233 	SND_SOC_DAPM_INPUT("DMIC3"),
1234 	SND_SOC_DAPM_INPUT("DMIC4"),
1235 
1236 	SND_SOC_DAPM_SUPPLY("DMIC3_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1237 		 M98090_DIGMIC3_SHIFT, 0, NULL, 0),
1238 	SND_SOC_DAPM_SUPPLY("DMIC4_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1239 		 M98090_DIGMIC4_SHIFT, 0, NULL, 0),
1240 };
1241 
1242 static const struct snd_soc_dapm_route max98090_dapm_routes[] = {
1243 	{"MIC1 Input", NULL, "MIC1"},
1244 	{"MIC2 Input", NULL, "MIC2"},
1245 
1246 	{"DMICL", NULL, "DMICL_ENA"},
1247 	{"DMICL", NULL, "DMICR_ENA"},
1248 	{"DMICR", NULL, "DMICL_ENA"},
1249 	{"DMICR", NULL, "DMICR_ENA"},
1250 	{"DMICL", NULL, "AHPF"},
1251 	{"DMICR", NULL, "AHPF"},
1252 
1253 	/* MIC1 input mux */
1254 	{"MIC1 Mux", "IN12", "IN12"},
1255 	{"MIC1 Mux", "IN56", "IN56"},
1256 
1257 	/* MIC2 input mux */
1258 	{"MIC2 Mux", "IN34", "IN34"},
1259 	{"MIC2 Mux", "IN56", "IN56"},
1260 
1261 	{"MIC1 Input", NULL, "MIC1 Mux"},
1262 	{"MIC2 Input", NULL, "MIC2 Mux"},
1263 
1264 	/* Left ADC input mixer */
1265 	{"Left ADC Mixer", "IN12 Switch", "IN12"},
1266 	{"Left ADC Mixer", "IN34 Switch", "IN34"},
1267 	{"Left ADC Mixer", "IN56 Switch", "IN56"},
1268 	{"Left ADC Mixer", "LINEA Switch", "LINEA Input"},
1269 	{"Left ADC Mixer", "LINEB Switch", "LINEB Input"},
1270 	{"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1271 	{"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1272 
1273 	/* Right ADC input mixer */
1274 	{"Right ADC Mixer", "IN12 Switch", "IN12"},
1275 	{"Right ADC Mixer", "IN34 Switch", "IN34"},
1276 	{"Right ADC Mixer", "IN56 Switch", "IN56"},
1277 	{"Right ADC Mixer", "LINEA Switch", "LINEA Input"},
1278 	{"Right ADC Mixer", "LINEB Switch", "LINEB Input"},
1279 	{"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1280 	{"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1281 
1282 	/* Line A input mixer */
1283 	{"LINEA Mixer", "IN1 Switch", "IN1"},
1284 	{"LINEA Mixer", "IN3 Switch", "IN3"},
1285 	{"LINEA Mixer", "IN5 Switch", "IN5"},
1286 	{"LINEA Mixer", "IN34 Switch", "IN34"},
1287 
1288 	/* Line B input mixer */
1289 	{"LINEB Mixer", "IN2 Switch", "IN2"},
1290 	{"LINEB Mixer", "IN4 Switch", "IN4"},
1291 	{"LINEB Mixer", "IN6 Switch", "IN6"},
1292 	{"LINEB Mixer", "IN56 Switch", "IN56"},
1293 
1294 	{"LINEA Input", NULL, "LINEA Mixer"},
1295 	{"LINEB Input", NULL, "LINEB Mixer"},
1296 
1297 	/* Inputs */
1298 	{"ADCL", NULL, "Left ADC Mixer"},
1299 	{"ADCR", NULL, "Right ADC Mixer"},
1300 	{"ADCL", NULL, "SHDN"},
1301 	{"ADCR", NULL, "SHDN"},
1302 
1303 	{"DMIC Mux", "ADC", "ADCL"},
1304 	{"DMIC Mux", "ADC", "ADCR"},
1305 	{"DMIC Mux", "DMIC", "DMICL"},
1306 	{"DMIC Mux", "DMIC", "DMICR"},
1307 
1308 	{"LBENL Mux", "Normal", "DMIC Mux"},
1309 	{"LBENL Mux", "Loopback", "LTENL Mux"},
1310 	{"LBENR Mux", "Normal", "DMIC Mux"},
1311 	{"LBENR Mux", "Loopback", "LTENR Mux"},
1312 
1313 	{"AIFOUTL", NULL, "LBENL Mux"},
1314 	{"AIFOUTR", NULL, "LBENR Mux"},
1315 	{"AIFOUTL", NULL, "SHDN"},
1316 	{"AIFOUTR", NULL, "SHDN"},
1317 	{"AIFOUTL", NULL, "SDOEN"},
1318 	{"AIFOUTR", NULL, "SDOEN"},
1319 
1320 	{"LTENL Mux", "Normal", "AIFINL"},
1321 	{"LTENL Mux", "Loopthrough", "LBENL Mux"},
1322 	{"LTENR Mux", "Normal", "AIFINR"},
1323 	{"LTENR Mux", "Loopthrough", "LBENR Mux"},
1324 
1325 	{"DACL", NULL, "LTENL Mux"},
1326 	{"DACR", NULL, "LTENR Mux"},
1327 
1328 	{"STENL Mux", "Sidetone Left", "ADCL"},
1329 	{"STENL Mux", "Sidetone Left", "DMICL"},
1330 	{"STENR Mux", "Sidetone Right", "ADCR"},
1331 	{"STENR Mux", "Sidetone Right", "DMICR"},
1332 	{"DACL", NULL, "STENL Mux"},
1333 	{"DACR", NULL, "STENR Mux"},
1334 
1335 	{"AIFINL", NULL, "SHDN"},
1336 	{"AIFINR", NULL, "SHDN"},
1337 	{"AIFINL", NULL, "SDIEN"},
1338 	{"AIFINR", NULL, "SDIEN"},
1339 	{"DACL", NULL, "SHDN"},
1340 	{"DACR", NULL, "SHDN"},
1341 
1342 	/* Left headphone output mixer */
1343 	{"Left Headphone Mixer", "Left DAC Switch", "DACL"},
1344 	{"Left Headphone Mixer", "Right DAC Switch", "DACR"},
1345 	{"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1346 	{"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1347 	{"Left Headphone Mixer", "LINEA Switch", "LINEA Input"},
1348 	{"Left Headphone Mixer", "LINEB Switch", "LINEB Input"},
1349 
1350 	/* Right headphone output mixer */
1351 	{"Right Headphone Mixer", "Left DAC Switch", "DACL"},
1352 	{"Right Headphone Mixer", "Right DAC Switch", "DACR"},
1353 	{"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1354 	{"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1355 	{"Right Headphone Mixer", "LINEA Switch", "LINEA Input"},
1356 	{"Right Headphone Mixer", "LINEB Switch", "LINEB Input"},
1357 
1358 	/* Left speaker output mixer */
1359 	{"Left Speaker Mixer", "Left DAC Switch", "DACL"},
1360 	{"Left Speaker Mixer", "Right DAC Switch", "DACR"},
1361 	{"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1362 	{"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1363 	{"Left Speaker Mixer", "LINEA Switch", "LINEA Input"},
1364 	{"Left Speaker Mixer", "LINEB Switch", "LINEB Input"},
1365 
1366 	/* Right speaker output mixer */
1367 	{"Right Speaker Mixer", "Left DAC Switch", "DACL"},
1368 	{"Right Speaker Mixer", "Right DAC Switch", "DACR"},
1369 	{"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1370 	{"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1371 	{"Right Speaker Mixer", "LINEA Switch", "LINEA Input"},
1372 	{"Right Speaker Mixer", "LINEB Switch", "LINEB Input"},
1373 
1374 	/* Left Receiver output mixer */
1375 	{"Left Receiver Mixer", "Left DAC Switch", "DACL"},
1376 	{"Left Receiver Mixer", "Right DAC Switch", "DACR"},
1377 	{"Left Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1378 	{"Left Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1379 	{"Left Receiver Mixer", "LINEA Switch", "LINEA Input"},
1380 	{"Left Receiver Mixer", "LINEB Switch", "LINEB Input"},
1381 
1382 	/* Right Receiver output mixer */
1383 	{"Right Receiver Mixer", "Left DAC Switch", "DACL"},
1384 	{"Right Receiver Mixer", "Right DAC Switch", "DACR"},
1385 	{"Right Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1386 	{"Right Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1387 	{"Right Receiver Mixer", "LINEA Switch", "LINEA Input"},
1388 	{"Right Receiver Mixer", "LINEB Switch", "LINEB Input"},
1389 
1390 	{"MIXHPLSEL Mux", "HP Mixer", "Left Headphone Mixer"},
1391 
1392 	/*
1393 	 * Disable this for lowest power if bypassing
1394 	 * the DAC with an analog signal
1395 	 */
1396 	{"HP Left Out", NULL, "DACL"},
1397 	{"HP Left Out", NULL, "MIXHPLSEL Mux"},
1398 
1399 	{"MIXHPRSEL Mux", "HP Mixer", "Right Headphone Mixer"},
1400 
1401 	/*
1402 	 * Disable this for lowest power if bypassing
1403 	 * the DAC with an analog signal
1404 	 */
1405 	{"HP Right Out", NULL, "DACR"},
1406 	{"HP Right Out", NULL, "MIXHPRSEL Mux"},
1407 
1408 	{"SPK Left Out", NULL, "Left Speaker Mixer"},
1409 	{"SPK Right Out", NULL, "Right Speaker Mixer"},
1410 	{"RCV Left Out", NULL, "Left Receiver Mixer"},
1411 
1412 	{"LINMOD Mux", "Left and Right", "Right Receiver Mixer"},
1413 	{"LINMOD Mux", "Left Only",  "Left Receiver Mixer"},
1414 	{"RCV Right Out", NULL, "LINMOD Mux"},
1415 
1416 	{"HPL", NULL, "HP Left Out"},
1417 	{"HPR", NULL, "HP Right Out"},
1418 	{"SPKL", NULL, "SPK Left Out"},
1419 	{"SPKR", NULL, "SPK Right Out"},
1420 	{"RCVL", NULL, "RCV Left Out"},
1421 	{"RCVR", NULL, "RCV Right Out"},
1422 };
1423 
1424 static const struct snd_soc_dapm_route max98091_dapm_routes[] = {
1425 	/* DMIC inputs */
1426 	{"DMIC3", NULL, "DMIC3_ENA"},
1427 	{"DMIC4", NULL, "DMIC4_ENA"},
1428 	{"DMIC3", NULL, "AHPF"},
1429 	{"DMIC4", NULL, "AHPF"},
1430 };
1431 
1432 static int max98090_add_widgets(struct snd_soc_component *component)
1433 {
1434 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1435 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1436 
1437 	snd_soc_add_component_controls(component, max98090_snd_controls,
1438 		ARRAY_SIZE(max98090_snd_controls));
1439 
1440 	if (max98090->devtype == MAX98091) {
1441 		snd_soc_add_component_controls(component, max98091_snd_controls,
1442 			ARRAY_SIZE(max98091_snd_controls));
1443 	}
1444 
1445 	snd_soc_dapm_new_controls(dapm, max98090_dapm_widgets,
1446 		ARRAY_SIZE(max98090_dapm_widgets));
1447 
1448 	snd_soc_dapm_add_routes(dapm, max98090_dapm_routes,
1449 		ARRAY_SIZE(max98090_dapm_routes));
1450 
1451 	if (max98090->devtype == MAX98091) {
1452 		snd_soc_dapm_new_controls(dapm, max98091_dapm_widgets,
1453 			ARRAY_SIZE(max98091_dapm_widgets));
1454 
1455 		snd_soc_dapm_add_routes(dapm, max98091_dapm_routes,
1456 			ARRAY_SIZE(max98091_dapm_routes));
1457 	}
1458 
1459 	return 0;
1460 }
1461 
1462 static const int pclk_rates[] = {
1463 	12000000, 12000000, 13000000, 13000000,
1464 	16000000, 16000000, 19200000, 19200000
1465 };
1466 
1467 static const int lrclk_rates[] = {
1468 	8000, 16000, 8000, 16000,
1469 	8000, 16000, 8000, 16000
1470 };
1471 
1472 static const int user_pclk_rates[] = {
1473 	13000000, 13000000, 19200000, 19200000,
1474 };
1475 
1476 static const int user_lrclk_rates[] = {
1477 	44100, 48000, 44100, 48000,
1478 };
1479 
1480 static const unsigned long long ni_value[] = {
1481 	3528, 768, 441, 8
1482 };
1483 
1484 static const unsigned long long mi_value[] = {
1485 	8125, 1625, 1500, 25
1486 };
1487 
1488 static void max98090_configure_bclk(struct snd_soc_component *component)
1489 {
1490 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1491 	unsigned long long ni;
1492 	int i;
1493 
1494 	if (!max98090->sysclk) {
1495 		dev_err(component->dev, "No SYSCLK configured\n");
1496 		return;
1497 	}
1498 
1499 	if (!max98090->bclk || !max98090->lrclk) {
1500 		dev_err(component->dev, "No audio clocks configured\n");
1501 		return;
1502 	}
1503 
1504 	/* Skip configuration when operating as slave */
1505 	if (!(snd_soc_component_read(component, M98090_REG_MASTER_MODE) &
1506 		M98090_MAS_MASK)) {
1507 		return;
1508 	}
1509 
1510 	/* Check for supported PCLK to LRCLK ratios */
1511 	for (i = 0; i < ARRAY_SIZE(pclk_rates); i++) {
1512 		if ((pclk_rates[i] == max98090->sysclk) &&
1513 			(lrclk_rates[i] == max98090->lrclk)) {
1514 			dev_dbg(component->dev,
1515 				"Found supported PCLK to LRCLK rates 0x%x\n",
1516 				i + 0x8);
1517 
1518 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1519 				M98090_FREQ_MASK,
1520 				(i + 0x8) << M98090_FREQ_SHIFT);
1521 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1522 				M98090_USE_M1_MASK, 0);
1523 			return;
1524 		}
1525 	}
1526 
1527 	/* Check for user calculated MI and NI ratios */
1528 	for (i = 0; i < ARRAY_SIZE(user_pclk_rates); i++) {
1529 		if ((user_pclk_rates[i] == max98090->sysclk) &&
1530 			(user_lrclk_rates[i] == max98090->lrclk)) {
1531 			dev_dbg(component->dev,
1532 				"Found user supported PCLK to LRCLK rates\n");
1533 			dev_dbg(component->dev, "i %d ni %lld mi %lld\n",
1534 				i, ni_value[i], mi_value[i]);
1535 
1536 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1537 				M98090_FREQ_MASK, 0);
1538 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1539 				M98090_USE_M1_MASK,
1540 					1 << M98090_USE_M1_SHIFT);
1541 
1542 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_MSB,
1543 				(ni_value[i] >> 8) & 0x7F);
1544 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_LSB,
1545 				ni_value[i] & 0xFF);
1546 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_MI_MSB,
1547 				(mi_value[i] >> 8) & 0x7F);
1548 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_MI_LSB,
1549 				mi_value[i] & 0xFF);
1550 
1551 			return;
1552 		}
1553 	}
1554 
1555 	/*
1556 	 * Calculate based on MI = 65536 (not as good as either method above)
1557 	 */
1558 	snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1559 		M98090_FREQ_MASK, 0);
1560 	snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1561 		M98090_USE_M1_MASK, 0);
1562 
1563 	/*
1564 	 * Configure NI when operating as master
1565 	 * Note: There is a small, but significant audio quality improvement
1566 	 * by calculating ni and mi.
1567 	 */
1568 	ni = 65536ULL * (max98090->lrclk < 50000 ? 96ULL : 48ULL)
1569 			* (unsigned long long int)max98090->lrclk;
1570 	do_div(ni, (unsigned long long int)max98090->sysclk);
1571 	dev_info(component->dev, "No better method found\n");
1572 	dev_info(component->dev, "Calculating ni %lld with mi 65536\n", ni);
1573 	snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_MSB,
1574 		(ni >> 8) & 0x7F);
1575 	snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_LSB, ni & 0xFF);
1576 }
1577 
1578 static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai,
1579 				 unsigned int fmt)
1580 {
1581 	struct snd_soc_component *component = codec_dai->component;
1582 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1583 	struct max98090_cdata *cdata;
1584 	u8 regval, tdm_regval;
1585 
1586 	max98090->dai_fmt = fmt;
1587 	cdata = &max98090->dai[0];
1588 
1589 	if (fmt != cdata->fmt) {
1590 		cdata->fmt = fmt;
1591 
1592 		regval = 0;
1593 		tdm_regval = 0;
1594 		switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1595 		case SND_SOC_DAIFMT_CBC_CFC:
1596 			/* Set to consumer mode PLL - MAS mode off */
1597 			snd_soc_component_write(component,
1598 				M98090_REG_CLOCK_RATIO_NI_MSB, 0x00);
1599 			snd_soc_component_write(component,
1600 				M98090_REG_CLOCK_RATIO_NI_LSB, 0x00);
1601 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1602 				M98090_USE_M1_MASK, 0);
1603 			max98090->master = false;
1604 			break;
1605 		case SND_SOC_DAIFMT_CBP_CFP:
1606 			/* Set to provider mode */
1607 			if (max98090->tdm_slots == 4) {
1608 				/* TDM */
1609 				regval |= M98090_MAS_MASK |
1610 					M98090_BSEL_64;
1611 			} else if (max98090->tdm_slots == 3) {
1612 				/* TDM */
1613 				regval |= M98090_MAS_MASK |
1614 					M98090_BSEL_48;
1615 			} else {
1616 				/* Few TDM slots, or No TDM */
1617 				regval |= M98090_MAS_MASK |
1618 					M98090_BSEL_32;
1619 			}
1620 			max98090->master = true;
1621 			break;
1622 		default:
1623 			dev_err(component->dev, "DAI clock mode unsupported");
1624 			return -EINVAL;
1625 		}
1626 		snd_soc_component_write(component, M98090_REG_MASTER_MODE, regval);
1627 
1628 		regval = 0;
1629 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1630 		case SND_SOC_DAIFMT_I2S:
1631 			regval |= M98090_DLY_MASK;
1632 			break;
1633 		case SND_SOC_DAIFMT_LEFT_J:
1634 			break;
1635 		case SND_SOC_DAIFMT_RIGHT_J:
1636 			regval |= M98090_RJ_MASK;
1637 			break;
1638 		case SND_SOC_DAIFMT_DSP_A:
1639 			tdm_regval |= M98090_TDM_MASK;
1640 			break;
1641 		default:
1642 			dev_err(component->dev, "DAI format unsupported");
1643 			return -EINVAL;
1644 		}
1645 
1646 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1647 		case SND_SOC_DAIFMT_NB_NF:
1648 			break;
1649 		case SND_SOC_DAIFMT_NB_IF:
1650 			regval |= M98090_WCI_MASK;
1651 			break;
1652 		case SND_SOC_DAIFMT_IB_NF:
1653 			regval |= M98090_BCI_MASK;
1654 			break;
1655 		case SND_SOC_DAIFMT_IB_IF:
1656 			regval |= M98090_BCI_MASK|M98090_WCI_MASK;
1657 			break;
1658 		default:
1659 			dev_err(component->dev, "DAI invert mode unsupported");
1660 			return -EINVAL;
1661 		}
1662 
1663 		/*
1664 		 * This accommodates an inverted logic in the MAX98090 chip
1665 		 * for Bit Clock Invert (BCI). The inverted logic is only
1666 		 * seen for the case of TDM mode. The remaining cases have
1667 		 * normal logic.
1668 		 */
1669 		if (tdm_regval)
1670 			regval ^= M98090_BCI_MASK;
1671 
1672 		snd_soc_component_write(component,
1673 			M98090_REG_INTERFACE_FORMAT, regval);
1674 
1675 		regval = 0;
1676 		if (tdm_regval)
1677 			regval = max98090->tdm_lslot << M98090_TDM_SLOTL_SHIFT |
1678 				 max98090->tdm_rslot << M98090_TDM_SLOTR_SHIFT |
1679 				 0 << M98090_TDM_SLOTDLY_SHIFT;
1680 
1681 		snd_soc_component_write(component, M98090_REG_TDM_FORMAT, regval);
1682 		snd_soc_component_write(component, M98090_REG_TDM_CONTROL, tdm_regval);
1683 	}
1684 
1685 	return 0;
1686 }
1687 
1688 static int max98090_set_tdm_slot(struct snd_soc_dai *codec_dai,
1689 	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
1690 {
1691 	struct snd_soc_component *component = codec_dai->component;
1692 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1693 
1694 	if (slots < 0 || slots > 4)
1695 		return -EINVAL;
1696 
1697 	if (slot_width != 16)
1698 		return -EINVAL;
1699 
1700 	if (rx_mask != tx_mask)
1701 		return -EINVAL;
1702 
1703 	if (!rx_mask)
1704 		return -EINVAL;
1705 
1706 	max98090->tdm_slots = slots;
1707 	max98090->tdm_lslot = ffs(rx_mask) - 1;
1708 	max98090->tdm_rslot = fls(rx_mask) - 1;
1709 
1710 	return 0;
1711 }
1712 
1713 static int max98090_set_bias_level(struct snd_soc_component *component,
1714 				   enum snd_soc_bias_level level)
1715 {
1716 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1717 	int ret;
1718 
1719 	switch (level) {
1720 	case SND_SOC_BIAS_ON:
1721 		break;
1722 
1723 	case SND_SOC_BIAS_PREPARE:
1724 		/*
1725 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1726 		 * transition to ON or away from ON. If current bias_level
1727 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1728 		 * away from ON. Disable the clock in that case, otherwise
1729 		 * enable it.
1730 		 */
1731 		if (IS_ERR(max98090->mclk))
1732 			break;
1733 
1734 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1735 			clk_disable_unprepare(max98090->mclk);
1736 		} else {
1737 			ret = clk_prepare_enable(max98090->mclk);
1738 			if (ret)
1739 				return ret;
1740 		}
1741 		break;
1742 
1743 	case SND_SOC_BIAS_STANDBY:
1744 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1745 			ret = regcache_sync(max98090->regmap);
1746 			if (ret != 0) {
1747 				dev_err(component->dev,
1748 					"Failed to sync cache: %d\n", ret);
1749 				return ret;
1750 			}
1751 		}
1752 		break;
1753 
1754 	case SND_SOC_BIAS_OFF:
1755 		/* Set internal pull-up to lowest power mode */
1756 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
1757 			M98090_JDWK_MASK, M98090_JDWK_MASK);
1758 		regcache_mark_dirty(max98090->regmap);
1759 		break;
1760 	}
1761 	return 0;
1762 }
1763 
1764 static const int dmic_divisors[] = { 2, 3, 4, 5, 6, 8 };
1765 
1766 static const int comp_lrclk_rates[] = {
1767 	8000, 16000, 32000, 44100, 48000, 96000
1768 };
1769 
1770 struct dmic_table {
1771 	int pclk;
1772 	struct {
1773 		int freq;
1774 		int comp[6]; /* One each for 8, 16, 32, 44.1, 48, and 96 kHz */
1775 	} settings[6]; /* One for each dmic divisor. */
1776 };
1777 
1778 static const struct dmic_table dmic_table[] = { /* One for each pclk freq. */
1779 	{
1780 		.pclk = 11289600,
1781 		.settings = {
1782 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1783 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1784 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1785 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1786 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1787 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1788 		},
1789 	},
1790 	{
1791 		.pclk = 12000000,
1792 		.settings = {
1793 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1794 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1795 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1796 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1797 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1798 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1799 		}
1800 	},
1801 	{
1802 		.pclk = 12288000,
1803 		.settings = {
1804 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1805 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1806 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1807 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1808 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1809 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1810 		}
1811 	},
1812 	{
1813 		.pclk = 13000000,
1814 		.settings = {
1815 			{ .freq = 2, .comp = { 7, 8, 1, 1, 1, 1 } },
1816 			{ .freq = 1, .comp = { 7, 8, 0, 0, 0, 0 } },
1817 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1818 			{ .freq = 0, .comp = { 7, 8, 4, 4, 5, 5 } },
1819 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1820 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1821 		}
1822 	},
1823 	{
1824 		.pclk = 19200000,
1825 		.settings = {
1826 			{ .freq = 2, .comp = { 0, 0, 0, 0, 0, 0 } },
1827 			{ .freq = 1, .comp = { 7, 8, 1, 1, 1, 1 } },
1828 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1829 			{ .freq = 0, .comp = { 7, 8, 2, 2, 3, 3 } },
1830 			{ .freq = 0, .comp = { 7, 8, 1, 1, 2, 2 } },
1831 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1832 		}
1833 	},
1834 };
1835 
1836 static int max98090_find_divisor(int target_freq, int pclk)
1837 {
1838 	int current_diff = INT_MAX;
1839 	int test_diff;
1840 	int divisor_index = 0;
1841 	int i;
1842 
1843 	for (i = 0; i < ARRAY_SIZE(dmic_divisors); i++) {
1844 		test_diff = abs(target_freq - (pclk / dmic_divisors[i]));
1845 		if (test_diff < current_diff) {
1846 			current_diff = test_diff;
1847 			divisor_index = i;
1848 		}
1849 	}
1850 
1851 	return divisor_index;
1852 }
1853 
1854 static int max98090_find_closest_pclk(int pclk)
1855 {
1856 	int m1;
1857 	int m2;
1858 	int i;
1859 
1860 	for (i = 0; i < ARRAY_SIZE(dmic_table); i++) {
1861 		if (pclk == dmic_table[i].pclk)
1862 			return i;
1863 		if (pclk < dmic_table[i].pclk) {
1864 			if (i == 0)
1865 				return i;
1866 			m1 = pclk - dmic_table[i-1].pclk;
1867 			m2 = dmic_table[i].pclk - pclk;
1868 			if (m1 < m2)
1869 				return i - 1;
1870 			else
1871 				return i;
1872 		}
1873 	}
1874 
1875 	return -EINVAL;
1876 }
1877 
1878 static int max98090_configure_dmic(struct max98090_priv *max98090,
1879 				   int target_dmic_clk, int pclk, int fs)
1880 {
1881 	int micclk_index;
1882 	int pclk_index;
1883 	int dmic_freq;
1884 	int dmic_comp;
1885 	int i;
1886 
1887 	pclk_index = max98090_find_closest_pclk(pclk);
1888 	if (pclk_index < 0)
1889 		return pclk_index;
1890 
1891 	micclk_index = max98090_find_divisor(target_dmic_clk, pclk);
1892 
1893 	for (i = 0; i < ARRAY_SIZE(comp_lrclk_rates) - 1; i++) {
1894 		if (fs <= (comp_lrclk_rates[i] + comp_lrclk_rates[i+1]) / 2)
1895 			break;
1896 	}
1897 
1898 	dmic_freq = dmic_table[pclk_index].settings[micclk_index].freq;
1899 	dmic_comp = dmic_table[pclk_index].settings[micclk_index].comp[i];
1900 
1901 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_ENABLE,
1902 			   M98090_MICCLK_MASK,
1903 			   micclk_index << M98090_MICCLK_SHIFT);
1904 
1905 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_CONFIG,
1906 			   M98090_DMIC_COMP_MASK | M98090_DMIC_FREQ_MASK,
1907 			   dmic_comp << M98090_DMIC_COMP_SHIFT |
1908 			   dmic_freq << M98090_DMIC_FREQ_SHIFT);
1909 
1910 	return 0;
1911 }
1912 
1913 static int max98090_dai_startup(struct snd_pcm_substream *substream,
1914 				struct snd_soc_dai *dai)
1915 {
1916 	struct snd_soc_component *component = dai->component;
1917 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1918 	unsigned int fmt = max98090->dai_fmt;
1919 
1920 	/* Remove 24-bit format support if it is not in right justified mode. */
1921 	if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_RIGHT_J) {
1922 		substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
1923 		snd_pcm_hw_constraint_msbits(substream->runtime, 0, 16, 16);
1924 	}
1925 	return 0;
1926 }
1927 
1928 static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
1929 				   struct snd_pcm_hw_params *params,
1930 				   struct snd_soc_dai *dai)
1931 {
1932 	struct snd_soc_component *component = dai->component;
1933 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1934 	struct max98090_cdata *cdata;
1935 
1936 	cdata = &max98090->dai[0];
1937 	max98090->bclk = snd_soc_params_to_bclk(params);
1938 	if (params_channels(params) == 1)
1939 		max98090->bclk *= 2;
1940 
1941 	max98090->lrclk = params_rate(params);
1942 
1943 	switch (params_width(params)) {
1944 	case 16:
1945 		snd_soc_component_update_bits(component, M98090_REG_INTERFACE_FORMAT,
1946 			M98090_WS_MASK, 0);
1947 		break;
1948 	default:
1949 		return -EINVAL;
1950 	}
1951 
1952 	if (max98090->master)
1953 		max98090_configure_bclk(component);
1954 
1955 	cdata->rate = max98090->lrclk;
1956 
1957 	/* Update filter mode */
1958 	if (max98090->lrclk < 24000)
1959 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1960 			M98090_MODE_MASK, 0);
1961 	else
1962 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1963 			M98090_MODE_MASK, M98090_MODE_MASK);
1964 
1965 	/* Update sample rate mode */
1966 	if (max98090->lrclk < 50000)
1967 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1968 			M98090_DHF_MASK, 0);
1969 	else
1970 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1971 			M98090_DHF_MASK, M98090_DHF_MASK);
1972 
1973 	max98090_configure_dmic(max98090, max98090->dmic_freq, max98090->pclk,
1974 				max98090->lrclk);
1975 
1976 	return 0;
1977 }
1978 
1979 /*
1980  * PLL / Sysclk
1981  */
1982 static int max98090_dai_set_sysclk(struct snd_soc_dai *dai,
1983 				   int clk_id, unsigned int freq, int dir)
1984 {
1985 	struct snd_soc_component *component = dai->component;
1986 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1987 
1988 	/* Requested clock frequency is already setup */
1989 	if (freq == max98090->sysclk)
1990 		return 0;
1991 
1992 	if (!IS_ERR(max98090->mclk)) {
1993 		freq = clk_round_rate(max98090->mclk, freq);
1994 		clk_set_rate(max98090->mclk, freq);
1995 	}
1996 
1997 	/* Setup clocks for slave mode, and using the PLL
1998 	 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1999 	 *		 0x02 (when master clk is 20MHz to 40MHz)..
2000 	 *		 0x03 (when master clk is 40MHz to 60MHz)..
2001 	 */
2002 	if ((freq >= 10000000) && (freq <= 20000000)) {
2003 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2004 			M98090_PSCLK_DIV1);
2005 		max98090->pclk = freq;
2006 	} else if ((freq > 20000000) && (freq <= 40000000)) {
2007 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2008 			M98090_PSCLK_DIV2);
2009 		max98090->pclk = freq >> 1;
2010 	} else if ((freq > 40000000) && (freq <= 60000000)) {
2011 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2012 			M98090_PSCLK_DIV4);
2013 		max98090->pclk = freq >> 2;
2014 	} else {
2015 		dev_err(component->dev, "Invalid master clock frequency\n");
2016 		return -EINVAL;
2017 	}
2018 
2019 	max98090->sysclk = freq;
2020 
2021 	return 0;
2022 }
2023 
2024 static int max98090_dai_mute(struct snd_soc_dai *codec_dai, int mute,
2025 			     int direction)
2026 {
2027 	struct snd_soc_component *component = codec_dai->component;
2028 	int regval;
2029 
2030 	regval = mute ? M98090_DVM_MASK : 0;
2031 	snd_soc_component_update_bits(component, M98090_REG_DAI_PLAYBACK_LEVEL,
2032 		M98090_DVM_MASK, regval);
2033 
2034 	return 0;
2035 }
2036 
2037 static int max98090_dai_trigger(struct snd_pcm_substream *substream, int cmd,
2038 				struct snd_soc_dai *dai)
2039 {
2040 	struct snd_soc_component *component = dai->component;
2041 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2042 
2043 	switch (cmd) {
2044 	case SNDRV_PCM_TRIGGER_START:
2045 	case SNDRV_PCM_TRIGGER_RESUME:
2046 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
2047 		if (!max98090->master && snd_soc_dai_active(dai) == 1)
2048 			queue_delayed_work(system_power_efficient_wq,
2049 					   &max98090->pll_det_enable_work,
2050 					   msecs_to_jiffies(10));
2051 		break;
2052 	case SNDRV_PCM_TRIGGER_STOP:
2053 	case SNDRV_PCM_TRIGGER_SUSPEND:
2054 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
2055 		if (!max98090->master && snd_soc_dai_active(dai) == 1)
2056 			schedule_work(&max98090->pll_det_disable_work);
2057 		break;
2058 	default:
2059 		break;
2060 	}
2061 
2062 	return 0;
2063 }
2064 
2065 static void max98090_pll_det_enable_work(struct work_struct *work)
2066 {
2067 	struct max98090_priv *max98090 =
2068 		container_of(work, struct max98090_priv,
2069 			     pll_det_enable_work.work);
2070 	struct snd_soc_component *component = max98090->component;
2071 	unsigned int status, mask;
2072 
2073 	/*
2074 	 * Clear status register in order to clear possibly already occurred
2075 	 * PLL unlock. If PLL hasn't still locked, the status will be set
2076 	 * again and PLL unlock interrupt will occur.
2077 	 * Note this will clear all status bits
2078 	 */
2079 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2080 
2081 	/*
2082 	 * Queue jack work in case jack state has just changed but handler
2083 	 * hasn't run yet
2084 	 */
2085 	regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2086 	status &= mask;
2087 	if (status & M98090_JDET_MASK)
2088 		queue_delayed_work(system_power_efficient_wq,
2089 				   &max98090->jack_work,
2090 				   msecs_to_jiffies(100));
2091 
2092 	/* Enable PLL unlock interrupt */
2093 	snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2094 			    M98090_IULK_MASK,
2095 			    1 << M98090_IULK_SHIFT);
2096 }
2097 
2098 static void max98090_pll_det_disable_work(struct work_struct *work)
2099 {
2100 	struct max98090_priv *max98090 =
2101 		container_of(work, struct max98090_priv, pll_det_disable_work);
2102 	struct snd_soc_component *component = max98090->component;
2103 
2104 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2105 
2106 	/* Disable PLL unlock interrupt */
2107 	snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2108 			    M98090_IULK_MASK, 0);
2109 }
2110 
2111 static void max98090_pll_work(struct max98090_priv *max98090)
2112 {
2113 	struct snd_soc_component *component = max98090->component;
2114 	unsigned int pll;
2115 	int i;
2116 
2117 	if (!snd_soc_component_active(component))
2118 		return;
2119 
2120 	dev_info_ratelimited(component->dev, "PLL unlocked\n");
2121 
2122 	/*
2123 	 * As the datasheet suggested, the maximum PLL lock time should be
2124 	 * 7 msec.  The workaround resets the codec softly by toggling SHDN
2125 	 * off and on if PLL failed to lock for 10 msec.  Notably, there is
2126 	 * no suggested hold time for SHDN off.
2127 	 */
2128 
2129 	/* Toggle shutdown OFF then ON */
2130 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2131 			    M98090_SHDNN_MASK, 0);
2132 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2133 			    M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2134 
2135 	for (i = 0; i < 10; ++i) {
2136 		/* Give PLL time to lock */
2137 		usleep_range(1000, 1200);
2138 
2139 		/* Check lock status */
2140 		pll = snd_soc_component_read(
2141 				component, M98090_REG_DEVICE_STATUS);
2142 		if (!(pll & M98090_ULK_MASK))
2143 			break;
2144 	}
2145 }
2146 
2147 static void max98090_jack_work(struct work_struct *work)
2148 {
2149 	struct max98090_priv *max98090 = container_of(work,
2150 		struct max98090_priv,
2151 		jack_work.work);
2152 	struct snd_soc_component *component = max98090->component;
2153 	int status = 0;
2154 	int reg;
2155 
2156 	/* Read a second time */
2157 	if (max98090->jack_state == M98090_JACK_STATE_NO_HEADSET) {
2158 
2159 		/* Strong pull up allows mic detection */
2160 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
2161 			M98090_JDWK_MASK, 0);
2162 
2163 		msleep(50);
2164 
2165 		snd_soc_component_read(component, M98090_REG_JACK_STATUS);
2166 
2167 		/* Weak pull up allows only insertion detection */
2168 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
2169 			M98090_JDWK_MASK, M98090_JDWK_MASK);
2170 	}
2171 
2172 	reg = snd_soc_component_read(component, M98090_REG_JACK_STATUS);
2173 
2174 	switch (reg & (M98090_LSNS_MASK | M98090_JKSNS_MASK)) {
2175 		case M98090_LSNS_MASK | M98090_JKSNS_MASK:
2176 			dev_dbg(component->dev, "No Headset Detected\n");
2177 
2178 			max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2179 
2180 			status |= 0;
2181 
2182 			break;
2183 
2184 		case 0:
2185 			if (max98090->jack_state ==
2186 				M98090_JACK_STATE_HEADSET) {
2187 
2188 				dev_dbg(component->dev,
2189 					"Headset Button Down Detected\n");
2190 
2191 				/*
2192 				 * max98090_headset_button_event(codec)
2193 				 * could be defined, then called here.
2194 				 */
2195 
2196 				status |= SND_JACK_HEADSET;
2197 				status |= SND_JACK_BTN_0;
2198 
2199 				break;
2200 			}
2201 
2202 			/* Line is reported as Headphone */
2203 			/* Nokia Headset is reported as Headphone */
2204 			/* Mono Headphone is reported as Headphone */
2205 			dev_dbg(component->dev, "Headphone Detected\n");
2206 
2207 			max98090->jack_state = M98090_JACK_STATE_HEADPHONE;
2208 
2209 			status |= SND_JACK_HEADPHONE;
2210 
2211 			break;
2212 
2213 		case M98090_JKSNS_MASK:
2214 			dev_dbg(component->dev, "Headset Detected\n");
2215 
2216 			max98090->jack_state = M98090_JACK_STATE_HEADSET;
2217 
2218 			status |= SND_JACK_HEADSET;
2219 
2220 			break;
2221 
2222 		default:
2223 			dev_dbg(component->dev, "Unrecognized Jack Status\n");
2224 			break;
2225 	}
2226 
2227 	snd_soc_jack_report(max98090->jack, status,
2228 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2229 }
2230 
2231 static irqreturn_t max98090_interrupt(int irq, void *data)
2232 {
2233 	struct max98090_priv *max98090 = data;
2234 	struct snd_soc_component *component = max98090->component;
2235 	int ret;
2236 	unsigned int mask;
2237 	unsigned int active;
2238 
2239 	/* Treat interrupt before codec is initialized as spurious */
2240 	if (component == NULL)
2241 		return IRQ_NONE;
2242 
2243 	dev_dbg(component->dev, "***** max98090_interrupt *****\n");
2244 
2245 	ret = regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2246 
2247 	if (ret != 0) {
2248 		dev_err(component->dev,
2249 			"failed to read M98090_REG_INTERRUPT_S: %d\n",
2250 			ret);
2251 		return IRQ_NONE;
2252 	}
2253 
2254 	ret = regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &active);
2255 
2256 	if (ret != 0) {
2257 		dev_err(component->dev,
2258 			"failed to read M98090_REG_DEVICE_STATUS: %d\n",
2259 			ret);
2260 		return IRQ_NONE;
2261 	}
2262 
2263 	dev_dbg(component->dev, "active=0x%02x mask=0x%02x -> active=0x%02x\n",
2264 		active, mask, active & mask);
2265 
2266 	active &= mask;
2267 
2268 	if (!active)
2269 		return IRQ_NONE;
2270 
2271 	if (active & M98090_CLD_MASK)
2272 		dev_err(component->dev, "M98090_CLD_MASK\n");
2273 
2274 	if (active & M98090_SLD_MASK)
2275 		dev_dbg(component->dev, "M98090_SLD_MASK\n");
2276 
2277 	if (active & M98090_ULK_MASK) {
2278 		dev_dbg(component->dev, "M98090_ULK_MASK\n");
2279 		max98090_pll_work(max98090);
2280 	}
2281 
2282 	if (active & M98090_JDET_MASK) {
2283 		dev_dbg(component->dev, "M98090_JDET_MASK\n");
2284 
2285 		pm_wakeup_event(component->dev, 100);
2286 
2287 		queue_delayed_work(system_power_efficient_wq,
2288 				   &max98090->jack_work,
2289 				   msecs_to_jiffies(100));
2290 	}
2291 
2292 	if (active & M98090_DRCACT_MASK)
2293 		dev_dbg(component->dev, "M98090_DRCACT_MASK\n");
2294 
2295 	if (active & M98090_DRCCLP_MASK)
2296 		dev_err(component->dev, "M98090_DRCCLP_MASK\n");
2297 
2298 	return IRQ_HANDLED;
2299 }
2300 
2301 /**
2302  * max98090_mic_detect - Enable microphone detection via the MAX98090 IRQ
2303  *
2304  * @component:  MAX98090 component
2305  * @jack:   jack to report detection events on
2306  *
2307  * Enable microphone detection via IRQ on the MAX98090.  If GPIOs are
2308  * being used to bring out signals to the processor then only platform
2309  * data configuration is needed for MAX98090 and processor GPIOs should
2310  * be configured using snd_soc_jack_add_gpios() instead.
2311  *
2312  * If no jack is supplied detection will be disabled.
2313  */
2314 int max98090_mic_detect(struct snd_soc_component *component,
2315 	struct snd_soc_jack *jack)
2316 {
2317 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2318 
2319 	dev_dbg(component->dev, "max98090_mic_detect\n");
2320 
2321 	max98090->jack = jack;
2322 	if (jack) {
2323 		snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2324 			M98090_IJDET_MASK,
2325 			1 << M98090_IJDET_SHIFT);
2326 	} else {
2327 		snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2328 			M98090_IJDET_MASK,
2329 			0);
2330 	}
2331 
2332 	/* Send an initial empty report */
2333 	snd_soc_jack_report(max98090->jack, 0,
2334 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2335 
2336 	queue_delayed_work(system_power_efficient_wq,
2337 			   &max98090->jack_work,
2338 			   msecs_to_jiffies(100));
2339 
2340 	return 0;
2341 }
2342 EXPORT_SYMBOL_GPL(max98090_mic_detect);
2343 
2344 #define MAX98090_RATES SNDRV_PCM_RATE_8000_96000
2345 #define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
2346 
2347 static const struct snd_soc_dai_ops max98090_dai_ops = {
2348 	.startup = max98090_dai_startup,
2349 	.set_sysclk = max98090_dai_set_sysclk,
2350 	.set_fmt = max98090_dai_set_fmt,
2351 	.set_tdm_slot = max98090_set_tdm_slot,
2352 	.hw_params = max98090_dai_hw_params,
2353 	.mute_stream = max98090_dai_mute,
2354 	.trigger = max98090_dai_trigger,
2355 	.no_capture_mute = 1,
2356 };
2357 
2358 static struct snd_soc_dai_driver max98090_dai = {
2359 	.name = "HiFi",
2360 	.playback = {
2361 		.stream_name = "HiFi Playback",
2362 		.channels_min = 2,
2363 		.channels_max = 2,
2364 		.rates = MAX98090_RATES,
2365 		.formats = MAX98090_FORMATS,
2366 	},
2367 	.capture = {
2368 		.stream_name = "HiFi Capture",
2369 		.channels_min = 1,
2370 		.channels_max = 2,
2371 		.rates = MAX98090_RATES,
2372 		.formats = MAX98090_FORMATS,
2373 	},
2374 	 .ops = &max98090_dai_ops,
2375 };
2376 
2377 static int max98090_probe(struct snd_soc_component *component)
2378 {
2379 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2380 	struct max98090_cdata *cdata;
2381 	enum max98090_type devtype;
2382 	int ret = 0;
2383 	int err;
2384 	unsigned int micbias;
2385 
2386 	dev_dbg(component->dev, "max98090_probe\n");
2387 
2388 	max98090->mclk = devm_clk_get(component->dev, "mclk");
2389 	if (PTR_ERR(max98090->mclk) == -EPROBE_DEFER)
2390 		return -EPROBE_DEFER;
2391 
2392 	max98090->component = component;
2393 
2394 	/* Reset the codec, the DSP core, and disable all interrupts */
2395 	max98090_reset(max98090);
2396 
2397 	/* Initialize private data */
2398 
2399 	max98090->sysclk = (unsigned)-1;
2400 	max98090->pclk = (unsigned)-1;
2401 	max98090->master = false;
2402 
2403 	cdata = &max98090->dai[0];
2404 	cdata->rate = (unsigned)-1;
2405 	cdata->fmt  = (unsigned)-1;
2406 
2407 	max98090->lin_state = 0;
2408 	max98090->pa1en = 0;
2409 	max98090->pa2en = 0;
2410 
2411 	max98090->tdm_lslot = 0;
2412 	max98090->tdm_rslot = 1;
2413 
2414 	ret = snd_soc_component_read(component, M98090_REG_REVISION_ID);
2415 	if (ret < 0) {
2416 		dev_err(component->dev, "Failed to read device revision: %d\n",
2417 			ret);
2418 		goto err_access;
2419 	}
2420 
2421 	if ((ret >= M98090_REVA) && (ret <= M98090_REVA + 0x0f)) {
2422 		devtype = MAX98090;
2423 		dev_info(component->dev, "MAX98090 REVID=0x%02x\n", ret);
2424 	} else if ((ret >= M98091_REVA) && (ret <= M98091_REVA + 0x0f)) {
2425 		devtype = MAX98091;
2426 		dev_info(component->dev, "MAX98091 REVID=0x%02x\n", ret);
2427 	} else {
2428 		devtype = MAX98090;
2429 		dev_err(component->dev, "Unrecognized revision 0x%02x\n", ret);
2430 	}
2431 
2432 	if (max98090->devtype != devtype) {
2433 		dev_warn(component->dev, "Mismatch in DT specified CODEC type.\n");
2434 		max98090->devtype = devtype;
2435 	}
2436 
2437 	max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2438 
2439 	INIT_DELAYED_WORK(&max98090->jack_work, max98090_jack_work);
2440 	INIT_DELAYED_WORK(&max98090->pll_det_enable_work,
2441 			  max98090_pll_det_enable_work);
2442 	INIT_WORK(&max98090->pll_det_disable_work,
2443 		  max98090_pll_det_disable_work);
2444 
2445 	/* Enable jack detection */
2446 	snd_soc_component_write(component, M98090_REG_JACK_DETECT,
2447 		M98090_JDETEN_MASK | M98090_JDEB_25MS);
2448 
2449 	/*
2450 	 * Clear any old interrupts.
2451 	 * An old interrupt ocurring prior to installing the ISR
2452 	 * can keep a new interrupt from generating a trigger.
2453 	 */
2454 	snd_soc_component_read(component, M98090_REG_DEVICE_STATUS);
2455 
2456 	/* High Performance is default */
2457 	snd_soc_component_update_bits(component, M98090_REG_DAC_CONTROL,
2458 		M98090_DACHP_MASK,
2459 		1 << M98090_DACHP_SHIFT);
2460 	snd_soc_component_update_bits(component, M98090_REG_DAC_CONTROL,
2461 		M98090_PERFMODE_MASK,
2462 		0 << M98090_PERFMODE_SHIFT);
2463 	snd_soc_component_update_bits(component, M98090_REG_ADC_CONTROL,
2464 		M98090_ADCHP_MASK,
2465 		1 << M98090_ADCHP_SHIFT);
2466 
2467 	/* Turn on VCM bandgap reference */
2468 	snd_soc_component_write(component, M98090_REG_BIAS_CONTROL,
2469 		M98090_VCM_MODE_MASK);
2470 
2471 	err = device_property_read_u32(component->dev, "maxim,micbias", &micbias);
2472 	if (err) {
2473 		micbias = M98090_MBVSEL_2V8;
2474 		dev_info(component->dev, "use default 2.8v micbias\n");
2475 	} else if (micbias > M98090_MBVSEL_2V8) {
2476 		dev_err(component->dev, "micbias out of range 0x%x\n", micbias);
2477 		micbias = M98090_MBVSEL_2V8;
2478 	}
2479 
2480 	snd_soc_component_update_bits(component, M98090_REG_MIC_BIAS_VOLTAGE,
2481 		M98090_MBVSEL_MASK, micbias);
2482 
2483 	max98090_add_widgets(component);
2484 
2485 err_access:
2486 	return ret;
2487 }
2488 
2489 static void max98090_remove(struct snd_soc_component *component)
2490 {
2491 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2492 
2493 	cancel_delayed_work_sync(&max98090->jack_work);
2494 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2495 	cancel_work_sync(&max98090->pll_det_disable_work);
2496 	max98090->component = NULL;
2497 }
2498 
2499 static void max98090_seq_notifier(struct snd_soc_component *component,
2500 	enum snd_soc_dapm_type event, int subseq)
2501 {
2502 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2503 
2504 	if (max98090->shdn_pending) {
2505 		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2506 				M98090_SHDNN_MASK, 0);
2507 		msleep(40);
2508 		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2509 				M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2510 		max98090->shdn_pending = false;
2511 	}
2512 }
2513 
2514 static const struct snd_soc_component_driver soc_component_dev_max98090 = {
2515 	.probe			= max98090_probe,
2516 	.remove			= max98090_remove,
2517 	.seq_notifier		= max98090_seq_notifier,
2518 	.set_bias_level		= max98090_set_bias_level,
2519 	.idle_bias_on		= 1,
2520 	.use_pmdown_time	= 1,
2521 	.endianness		= 1,
2522 };
2523 
2524 static const struct regmap_config max98090_regmap = {
2525 	.reg_bits = 8,
2526 	.val_bits = 8,
2527 
2528 	.max_register = MAX98090_MAX_REGISTER,
2529 	.reg_defaults = max98090_reg,
2530 	.num_reg_defaults = ARRAY_SIZE(max98090_reg),
2531 	.volatile_reg = max98090_volatile_register,
2532 	.readable_reg = max98090_readable_register,
2533 	.cache_type = REGCACHE_RBTREE,
2534 };
2535 
2536 static const struct i2c_device_id max98090_i2c_id[] = {
2537 	{ "max98090", MAX98090 },
2538 	{ "max98091", MAX98091 },
2539 	{ }
2540 };
2541 MODULE_DEVICE_TABLE(i2c, max98090_i2c_id);
2542 
2543 static int max98090_i2c_probe(struct i2c_client *i2c)
2544 {
2545 	struct max98090_priv *max98090;
2546 	const struct acpi_device_id *acpi_id;
2547 	kernel_ulong_t driver_data = 0;
2548 	int ret;
2549 
2550 	pr_debug("max98090_i2c_probe\n");
2551 
2552 	max98090 = devm_kzalloc(&i2c->dev, sizeof(struct max98090_priv),
2553 		GFP_KERNEL);
2554 	if (max98090 == NULL)
2555 		return -ENOMEM;
2556 
2557 	if (ACPI_HANDLE(&i2c->dev)) {
2558 		acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table,
2559 					    &i2c->dev);
2560 		if (!acpi_id) {
2561 			dev_err(&i2c->dev, "No driver data\n");
2562 			return -EINVAL;
2563 		}
2564 		driver_data = acpi_id->driver_data;
2565 	} else {
2566 		const struct i2c_device_id *i2c_id =
2567 			i2c_match_id(max98090_i2c_id, i2c);
2568 		driver_data = i2c_id->driver_data;
2569 	}
2570 
2571 	max98090->devtype = driver_data;
2572 	i2c_set_clientdata(i2c, max98090);
2573 	max98090->pdata = i2c->dev.platform_data;
2574 
2575 	ret = of_property_read_u32(i2c->dev.of_node, "maxim,dmic-freq",
2576 				   &max98090->dmic_freq);
2577 	if (ret < 0)
2578 		max98090->dmic_freq = MAX98090_DEFAULT_DMIC_FREQ;
2579 
2580 	max98090->regmap = devm_regmap_init_i2c(i2c, &max98090_regmap);
2581 	if (IS_ERR(max98090->regmap)) {
2582 		ret = PTR_ERR(max98090->regmap);
2583 		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
2584 		goto err_enable;
2585 	}
2586 
2587 	ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
2588 		max98090_interrupt, IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2589 		"max98090_interrupt", max98090);
2590 	if (ret < 0) {
2591 		dev_err(&i2c->dev, "request_irq failed: %d\n",
2592 			ret);
2593 		return ret;
2594 	}
2595 
2596 	ret = devm_snd_soc_register_component(&i2c->dev,
2597 					      &soc_component_dev_max98090,
2598 					      &max98090_dai, 1);
2599 err_enable:
2600 	return ret;
2601 }
2602 
2603 static void max98090_i2c_shutdown(struct i2c_client *i2c)
2604 {
2605 	struct max98090_priv *max98090 = dev_get_drvdata(&i2c->dev);
2606 
2607 	/*
2608 	 * Enable volume smoothing, disable zero cross.  This will cause
2609 	 * a quick 40ms ramp to mute on shutdown.
2610 	 */
2611 	regmap_write(max98090->regmap,
2612 		M98090_REG_LEVEL_CONTROL, M98090_VSENN_MASK);
2613 	regmap_write(max98090->regmap,
2614 		M98090_REG_DEVICE_SHUTDOWN, 0x00);
2615 	msleep(40);
2616 }
2617 
2618 static void max98090_i2c_remove(struct i2c_client *client)
2619 {
2620 	max98090_i2c_shutdown(client);
2621 }
2622 
2623 #ifdef CONFIG_PM
2624 static int max98090_runtime_resume(struct device *dev)
2625 {
2626 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2627 
2628 	regcache_cache_only(max98090->regmap, false);
2629 
2630 	max98090_reset(max98090);
2631 
2632 	regcache_sync(max98090->regmap);
2633 
2634 	return 0;
2635 }
2636 
2637 static int max98090_runtime_suspend(struct device *dev)
2638 {
2639 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2640 
2641 	regcache_cache_only(max98090->regmap, true);
2642 
2643 	return 0;
2644 }
2645 #endif
2646 
2647 #ifdef CONFIG_PM_SLEEP
2648 static int max98090_resume(struct device *dev)
2649 {
2650 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2651 	unsigned int status;
2652 
2653 	regcache_mark_dirty(max98090->regmap);
2654 
2655 	max98090_reset(max98090);
2656 
2657 	/* clear IRQ status */
2658 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2659 
2660 	regcache_sync(max98090->regmap);
2661 
2662 	return 0;
2663 }
2664 #endif
2665 
2666 static const struct dev_pm_ops max98090_pm = {
2667 	SET_RUNTIME_PM_OPS(max98090_runtime_suspend,
2668 		max98090_runtime_resume, NULL)
2669 	SET_SYSTEM_SLEEP_PM_OPS(NULL, max98090_resume)
2670 };
2671 
2672 #ifdef CONFIG_OF
2673 static const struct of_device_id max98090_of_match[] = {
2674 	{ .compatible = "maxim,max98090", },
2675 	{ .compatible = "maxim,max98091", },
2676 	{ }
2677 };
2678 MODULE_DEVICE_TABLE(of, max98090_of_match);
2679 #endif
2680 
2681 #ifdef CONFIG_ACPI
2682 static const struct acpi_device_id max98090_acpi_match[] = {
2683 	{ "193C9890", MAX98090 },
2684 	{ }
2685 };
2686 MODULE_DEVICE_TABLE(acpi, max98090_acpi_match);
2687 #endif
2688 
2689 static struct i2c_driver max98090_i2c_driver = {
2690 	.driver = {
2691 		.name = "max98090",
2692 		.pm = &max98090_pm,
2693 		.of_match_table = of_match_ptr(max98090_of_match),
2694 		.acpi_match_table = ACPI_PTR(max98090_acpi_match),
2695 	},
2696 	.probe = max98090_i2c_probe,
2697 	.shutdown = max98090_i2c_shutdown,
2698 	.remove = max98090_i2c_remove,
2699 	.id_table = max98090_i2c_id,
2700 };
2701 
2702 module_i2c_driver(max98090_i2c_driver);
2703 
2704 MODULE_DESCRIPTION("ALSA SoC MAX98090 driver");
2705 MODULE_AUTHOR("Peter Hsiang, Jesse Marroqin, Jerry Wong");
2706 MODULE_LICENSE("GPL");
2707