xref: /linux/sound/soc/codecs/max98090.c (revision 064d7dcf51a82b480e953a15cca47e5df0426502)
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/pm_runtime.h>
14 #include <linux/regmap.h>
15 #include <linux/slab.h>
16 #include <linux/acpi.h>
17 #include <linux/clk.h>
18 #include <sound/jack.h>
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/tlv.h>
23 #include <sound/max98090.h>
24 #include "max98090.h"
25 
26 /* Allows for sparsely populated register maps */
27 static const struct reg_default max98090_reg[] = {
28 	{ 0x00, 0x00 }, /* 00 Software Reset */
29 	{ 0x03, 0x04 }, /* 03 Interrupt Masks */
30 	{ 0x04, 0x00 }, /* 04 System Clock Quick */
31 	{ 0x05, 0x00 }, /* 05 Sample Rate Quick */
32 	{ 0x06, 0x00 }, /* 06 DAI Interface Quick */
33 	{ 0x07, 0x00 }, /* 07 DAC Path Quick */
34 	{ 0x08, 0x00 }, /* 08 Mic/Direct to ADC Quick */
35 	{ 0x09, 0x00 }, /* 09 Line to ADC Quick */
36 	{ 0x0A, 0x00 }, /* 0A Analog Mic Loop Quick */
37 	{ 0x0B, 0x00 }, /* 0B Analog Line Loop Quick */
38 	{ 0x0C, 0x00 }, /* 0C Reserved */
39 	{ 0x0D, 0x00 }, /* 0D Input Config */
40 	{ 0x0E, 0x1B }, /* 0E Line Input Level */
41 	{ 0x0F, 0x00 }, /* 0F Line Config */
42 
43 	{ 0x10, 0x14 }, /* 10 Mic1 Input Level */
44 	{ 0x11, 0x14 }, /* 11 Mic2 Input Level */
45 	{ 0x12, 0x00 }, /* 12 Mic Bias Voltage */
46 	{ 0x13, 0x00 }, /* 13 Digital Mic Config */
47 	{ 0x14, 0x00 }, /* 14 Digital Mic Mode */
48 	{ 0x15, 0x00 }, /* 15 Left ADC Mixer */
49 	{ 0x16, 0x00 }, /* 16 Right ADC Mixer */
50 	{ 0x17, 0x03 }, /* 17 Left ADC Level */
51 	{ 0x18, 0x03 }, /* 18 Right ADC Level */
52 	{ 0x19, 0x00 }, /* 19 ADC Biquad Level */
53 	{ 0x1A, 0x00 }, /* 1A ADC Sidetone */
54 	{ 0x1B, 0x00 }, /* 1B System Clock */
55 	{ 0x1C, 0x00 }, /* 1C Clock Mode */
56 	{ 0x1D, 0x00 }, /* 1D Any Clock 1 */
57 	{ 0x1E, 0x00 }, /* 1E Any Clock 2 */
58 	{ 0x1F, 0x00 }, /* 1F Any Clock 3 */
59 
60 	{ 0x20, 0x00 }, /* 20 Any Clock 4 */
61 	{ 0x21, 0x00 }, /* 21 Master Mode */
62 	{ 0x22, 0x00 }, /* 22 Interface Format */
63 	{ 0x23, 0x00 }, /* 23 TDM Format 1*/
64 	{ 0x24, 0x00 }, /* 24 TDM Format 2*/
65 	{ 0x25, 0x00 }, /* 25 I/O Configuration */
66 	{ 0x26, 0x80 }, /* 26 Filter Config */
67 	{ 0x27, 0x00 }, /* 27 DAI Playback Level */
68 	{ 0x28, 0x00 }, /* 28 EQ Playback Level */
69 	{ 0x29, 0x00 }, /* 29 Left HP Mixer */
70 	{ 0x2A, 0x00 }, /* 2A Right HP Mixer */
71 	{ 0x2B, 0x00 }, /* 2B HP Control */
72 	{ 0x2C, 0x1A }, /* 2C Left HP Volume */
73 	{ 0x2D, 0x1A }, /* 2D Right HP Volume */
74 	{ 0x2E, 0x00 }, /* 2E Left Spk Mixer */
75 	{ 0x2F, 0x00 }, /* 2F Right Spk Mixer */
76 
77 	{ 0x30, 0x00 }, /* 30 Spk Control */
78 	{ 0x31, 0x2C }, /* 31 Left Spk Volume */
79 	{ 0x32, 0x2C }, /* 32 Right Spk Volume */
80 	{ 0x33, 0x00 }, /* 33 ALC Timing */
81 	{ 0x34, 0x00 }, /* 34 ALC Compressor */
82 	{ 0x35, 0x00 }, /* 35 ALC Expander */
83 	{ 0x36, 0x00 }, /* 36 ALC Gain */
84 	{ 0x37, 0x00 }, /* 37 Rcv/Line OutL Mixer */
85 	{ 0x38, 0x00 }, /* 38 Rcv/Line OutL Control */
86 	{ 0x39, 0x15 }, /* 39 Rcv/Line OutL Volume */
87 	{ 0x3A, 0x00 }, /* 3A Line OutR Mixer */
88 	{ 0x3B, 0x00 }, /* 3B Line OutR Control */
89 	{ 0x3C, 0x15 }, /* 3C Line OutR Volume */
90 	{ 0x3D, 0x00 }, /* 3D Jack Detect */
91 	{ 0x3E, 0x00 }, /* 3E Input Enable */
92 	{ 0x3F, 0x00 }, /* 3F Output Enable */
93 
94 	{ 0x40, 0x00 }, /* 40 Level Control */
95 	{ 0x41, 0x00 }, /* 41 DSP Filter Enable */
96 	{ 0x42, 0x00 }, /* 42 Bias Control */
97 	{ 0x43, 0x00 }, /* 43 DAC Control */
98 	{ 0x44, 0x06 }, /* 44 ADC Control */
99 	{ 0x45, 0x00 }, /* 45 Device Shutdown */
100 	{ 0x46, 0x00 }, /* 46 Equalizer Band 1 Coefficient B0 */
101 	{ 0x47, 0x00 }, /* 47 Equalizer Band 1 Coefficient B0 */
102 	{ 0x48, 0x00 }, /* 48 Equalizer Band 1 Coefficient B0 */
103 	{ 0x49, 0x00 }, /* 49 Equalizer Band 1 Coefficient B1 */
104 	{ 0x4A, 0x00 }, /* 4A Equalizer Band 1 Coefficient B1 */
105 	{ 0x4B, 0x00 }, /* 4B Equalizer Band 1 Coefficient B1 */
106 	{ 0x4C, 0x00 }, /* 4C Equalizer Band 1 Coefficient B2 */
107 	{ 0x4D, 0x00 }, /* 4D Equalizer Band 1 Coefficient B2 */
108 	{ 0x4E, 0x00 }, /* 4E Equalizer Band 1 Coefficient B2 */
109 	{ 0x4F, 0x00 }, /* 4F Equalizer Band 1 Coefficient A1 */
110 
111 	{ 0x50, 0x00 }, /* 50 Equalizer Band 1 Coefficient A1 */
112 	{ 0x51, 0x00 }, /* 51 Equalizer Band 1 Coefficient A1 */
113 	{ 0x52, 0x00 }, /* 52 Equalizer Band 1 Coefficient A2 */
114 	{ 0x53, 0x00 }, /* 53 Equalizer Band 1 Coefficient A2 */
115 	{ 0x54, 0x00 }, /* 54 Equalizer Band 1 Coefficient A2 */
116 	{ 0x55, 0x00 }, /* 55 Equalizer Band 2 Coefficient B0 */
117 	{ 0x56, 0x00 }, /* 56 Equalizer Band 2 Coefficient B0 */
118 	{ 0x57, 0x00 }, /* 57 Equalizer Band 2 Coefficient B0 */
119 	{ 0x58, 0x00 }, /* 58 Equalizer Band 2 Coefficient B1 */
120 	{ 0x59, 0x00 }, /* 59 Equalizer Band 2 Coefficient B1 */
121 	{ 0x5A, 0x00 }, /* 5A Equalizer Band 2 Coefficient B1 */
122 	{ 0x5B, 0x00 }, /* 5B Equalizer Band 2 Coefficient B2 */
123 	{ 0x5C, 0x00 }, /* 5C Equalizer Band 2 Coefficient B2 */
124 	{ 0x5D, 0x00 }, /* 5D Equalizer Band 2 Coefficient B2 */
125 	{ 0x5E, 0x00 }, /* 5E Equalizer Band 2 Coefficient A1 */
126 	{ 0x5F, 0x00 }, /* 5F Equalizer Band 2 Coefficient A1 */
127 
128 	{ 0x60, 0x00 }, /* 60 Equalizer Band 2 Coefficient A1 */
129 	{ 0x61, 0x00 }, /* 61 Equalizer Band 2 Coefficient A2 */
130 	{ 0x62, 0x00 }, /* 62 Equalizer Band 2 Coefficient A2 */
131 	{ 0x63, 0x00 }, /* 63 Equalizer Band 2 Coefficient A2 */
132 	{ 0x64, 0x00 }, /* 64 Equalizer Band 3 Coefficient B0 */
133 	{ 0x65, 0x00 }, /* 65 Equalizer Band 3 Coefficient B0 */
134 	{ 0x66, 0x00 }, /* 66 Equalizer Band 3 Coefficient B0 */
135 	{ 0x67, 0x00 }, /* 67 Equalizer Band 3 Coefficient B1 */
136 	{ 0x68, 0x00 }, /* 68 Equalizer Band 3 Coefficient B1 */
137 	{ 0x69, 0x00 }, /* 69 Equalizer Band 3 Coefficient B1 */
138 	{ 0x6A, 0x00 }, /* 6A Equalizer Band 3 Coefficient B2 */
139 	{ 0x6B, 0x00 }, /* 6B Equalizer Band 3 Coefficient B2 */
140 	{ 0x6C, 0x00 }, /* 6C Equalizer Band 3 Coefficient B2 */
141 	{ 0x6D, 0x00 }, /* 6D Equalizer Band 3 Coefficient A1 */
142 	{ 0x6E, 0x00 }, /* 6E Equalizer Band 3 Coefficient A1 */
143 	{ 0x6F, 0x00 }, /* 6F Equalizer Band 3 Coefficient A1 */
144 
145 	{ 0x70, 0x00 }, /* 70 Equalizer Band 3 Coefficient A2 */
146 	{ 0x71, 0x00 }, /* 71 Equalizer Band 3 Coefficient A2 */
147 	{ 0x72, 0x00 }, /* 72 Equalizer Band 3 Coefficient A2 */
148 	{ 0x73, 0x00 }, /* 73 Equalizer Band 4 Coefficient B0 */
149 	{ 0x74, 0x00 }, /* 74 Equalizer Band 4 Coefficient B0 */
150 	{ 0x75, 0x00 }, /* 75 Equalizer Band 4 Coefficient B0 */
151 	{ 0x76, 0x00 }, /* 76 Equalizer Band 4 Coefficient B1 */
152 	{ 0x77, 0x00 }, /* 77 Equalizer Band 4 Coefficient B1 */
153 	{ 0x78, 0x00 }, /* 78 Equalizer Band 4 Coefficient B1 */
154 	{ 0x79, 0x00 }, /* 79 Equalizer Band 4 Coefficient B2 */
155 	{ 0x7A, 0x00 }, /* 7A Equalizer Band 4 Coefficient B2 */
156 	{ 0x7B, 0x00 }, /* 7B Equalizer Band 4 Coefficient B2 */
157 	{ 0x7C, 0x00 }, /* 7C Equalizer Band 4 Coefficient A1 */
158 	{ 0x7D, 0x00 }, /* 7D Equalizer Band 4 Coefficient A1 */
159 	{ 0x7E, 0x00 }, /* 7E Equalizer Band 4 Coefficient A1 */
160 	{ 0x7F, 0x00 }, /* 7F Equalizer Band 4 Coefficient A2 */
161 
162 	{ 0x80, 0x00 }, /* 80 Equalizer Band 4 Coefficient A2 */
163 	{ 0x81, 0x00 }, /* 81 Equalizer Band 4 Coefficient A2 */
164 	{ 0x82, 0x00 }, /* 82 Equalizer Band 5 Coefficient B0 */
165 	{ 0x83, 0x00 }, /* 83 Equalizer Band 5 Coefficient B0 */
166 	{ 0x84, 0x00 }, /* 84 Equalizer Band 5 Coefficient B0 */
167 	{ 0x85, 0x00 }, /* 85 Equalizer Band 5 Coefficient B1 */
168 	{ 0x86, 0x00 }, /* 86 Equalizer Band 5 Coefficient B1 */
169 	{ 0x87, 0x00 }, /* 87 Equalizer Band 5 Coefficient B1 */
170 	{ 0x88, 0x00 }, /* 88 Equalizer Band 5 Coefficient B2 */
171 	{ 0x89, 0x00 }, /* 89 Equalizer Band 5 Coefficient B2 */
172 	{ 0x8A, 0x00 }, /* 8A Equalizer Band 5 Coefficient B2 */
173 	{ 0x8B, 0x00 }, /* 8B Equalizer Band 5 Coefficient A1 */
174 	{ 0x8C, 0x00 }, /* 8C Equalizer Band 5 Coefficient A1 */
175 	{ 0x8D, 0x00 }, /* 8D Equalizer Band 5 Coefficient A1 */
176 	{ 0x8E, 0x00 }, /* 8E Equalizer Band 5 Coefficient A2 */
177 	{ 0x8F, 0x00 }, /* 8F Equalizer Band 5 Coefficient A2 */
178 
179 	{ 0x90, 0x00 }, /* 90 Equalizer Band 5 Coefficient A2 */
180 	{ 0x91, 0x00 }, /* 91 Equalizer Band 6 Coefficient B0 */
181 	{ 0x92, 0x00 }, /* 92 Equalizer Band 6 Coefficient B0 */
182 	{ 0x93, 0x00 }, /* 93 Equalizer Band 6 Coefficient B0 */
183 	{ 0x94, 0x00 }, /* 94 Equalizer Band 6 Coefficient B1 */
184 	{ 0x95, 0x00 }, /* 95 Equalizer Band 6 Coefficient B1 */
185 	{ 0x96, 0x00 }, /* 96 Equalizer Band 6 Coefficient B1 */
186 	{ 0x97, 0x00 }, /* 97 Equalizer Band 6 Coefficient B2 */
187 	{ 0x98, 0x00 }, /* 98 Equalizer Band 6 Coefficient B2 */
188 	{ 0x99, 0x00 }, /* 99 Equalizer Band 6 Coefficient B2 */
189 	{ 0x9A, 0x00 }, /* 9A Equalizer Band 6 Coefficient A1 */
190 	{ 0x9B, 0x00 }, /* 9B Equalizer Band 6 Coefficient A1 */
191 	{ 0x9C, 0x00 }, /* 9C Equalizer Band 6 Coefficient A1 */
192 	{ 0x9D, 0x00 }, /* 9D Equalizer Band 6 Coefficient A2 */
193 	{ 0x9E, 0x00 }, /* 9E Equalizer Band 6 Coefficient A2 */
194 	{ 0x9F, 0x00 }, /* 9F Equalizer Band 6 Coefficient A2 */
195 
196 	{ 0xA0, 0x00 }, /* A0 Equalizer Band 7 Coefficient B0 */
197 	{ 0xA1, 0x00 }, /* A1 Equalizer Band 7 Coefficient B0 */
198 	{ 0xA2, 0x00 }, /* A2 Equalizer Band 7 Coefficient B0 */
199 	{ 0xA3, 0x00 }, /* A3 Equalizer Band 7 Coefficient B1 */
200 	{ 0xA4, 0x00 }, /* A4 Equalizer Band 7 Coefficient B1 */
201 	{ 0xA5, 0x00 }, /* A5 Equalizer Band 7 Coefficient B1 */
202 	{ 0xA6, 0x00 }, /* A6 Equalizer Band 7 Coefficient B2 */
203 	{ 0xA7, 0x00 }, /* A7 Equalizer Band 7 Coefficient B2 */
204 	{ 0xA8, 0x00 }, /* A8 Equalizer Band 7 Coefficient B2 */
205 	{ 0xA9, 0x00 }, /* A9 Equalizer Band 7 Coefficient A1 */
206 	{ 0xAA, 0x00 }, /* AA Equalizer Band 7 Coefficient A1 */
207 	{ 0xAB, 0x00 }, /* AB Equalizer Band 7 Coefficient A1 */
208 	{ 0xAC, 0x00 }, /* AC Equalizer Band 7 Coefficient A2 */
209 	{ 0xAD, 0x00 }, /* AD Equalizer Band 7 Coefficient A2 */
210 	{ 0xAE, 0x00 }, /* AE Equalizer Band 7 Coefficient A2 */
211 	{ 0xAF, 0x00 }, /* AF ADC Biquad Coefficient B0 */
212 
213 	{ 0xB0, 0x00 }, /* B0 ADC Biquad Coefficient B0 */
214 	{ 0xB1, 0x00 }, /* B1 ADC Biquad Coefficient B0 */
215 	{ 0xB2, 0x00 }, /* B2 ADC Biquad Coefficient B1 */
216 	{ 0xB3, 0x00 }, /* B3 ADC Biquad Coefficient B1 */
217 	{ 0xB4, 0x00 }, /* B4 ADC Biquad Coefficient B1 */
218 	{ 0xB5, 0x00 }, /* B5 ADC Biquad Coefficient B2 */
219 	{ 0xB6, 0x00 }, /* B6 ADC Biquad Coefficient B2 */
220 	{ 0xB7, 0x00 }, /* B7 ADC Biquad Coefficient B2 */
221 	{ 0xB8, 0x00 }, /* B8 ADC Biquad Coefficient A1 */
222 	{ 0xB9, 0x00 }, /* B9 ADC Biquad Coefficient A1 */
223 	{ 0xBA, 0x00 }, /* BA ADC Biquad Coefficient A1 */
224 	{ 0xBB, 0x00 }, /* BB ADC Biquad Coefficient A2 */
225 	{ 0xBC, 0x00 }, /* BC ADC Biquad Coefficient A2 */
226 	{ 0xBD, 0x00 }, /* BD ADC Biquad Coefficient A2 */
227 	{ 0xBE, 0x00 }, /* BE Digital Mic 3 Volume */
228 	{ 0xBF, 0x00 }, /* BF Digital Mic 4 Volume */
229 
230 	{ 0xC0, 0x00 }, /* C0 Digital Mic 34 Biquad Pre Atten */
231 	{ 0xC1, 0x00 }, /* C1 Record TDM Slot */
232 	{ 0xC2, 0x00 }, /* C2 Sample Rate */
233 	{ 0xC3, 0x00 }, /* C3 Digital Mic 34 Biquad Coefficient C3 */
234 	{ 0xC4, 0x00 }, /* C4 Digital Mic 34 Biquad Coefficient C4 */
235 	{ 0xC5, 0x00 }, /* C5 Digital Mic 34 Biquad Coefficient C5 */
236 	{ 0xC6, 0x00 }, /* C6 Digital Mic 34 Biquad Coefficient C6 */
237 	{ 0xC7, 0x00 }, /* C7 Digital Mic 34 Biquad Coefficient C7 */
238 	{ 0xC8, 0x00 }, /* C8 Digital Mic 34 Biquad Coefficient C8 */
239 	{ 0xC9, 0x00 }, /* C9 Digital Mic 34 Biquad Coefficient C9 */
240 	{ 0xCA, 0x00 }, /* CA Digital Mic 34 Biquad Coefficient CA */
241 	{ 0xCB, 0x00 }, /* CB Digital Mic 34 Biquad Coefficient CB */
242 	{ 0xCC, 0x00 }, /* CC Digital Mic 34 Biquad Coefficient CC */
243 	{ 0xCD, 0x00 }, /* CD Digital Mic 34 Biquad Coefficient CD */
244 	{ 0xCE, 0x00 }, /* CE Digital Mic 34 Biquad Coefficient CE */
245 	{ 0xCF, 0x00 }, /* CF Digital Mic 34 Biquad Coefficient CF */
246 
247 	{ 0xD0, 0x00 }, /* D0 Digital Mic 34 Biquad Coefficient D0 */
248 	{ 0xD1, 0x00 }, /* D1 Digital Mic 34 Biquad Coefficient D1 */
249 };
250 
251 static bool max98090_volatile_register(struct device *dev, unsigned int reg)
252 {
253 	switch (reg) {
254 	case M98090_REG_SOFTWARE_RESET:
255 	case M98090_REG_DEVICE_STATUS:
256 	case M98090_REG_JACK_STATUS:
257 	case M98090_REG_REVISION_ID:
258 		return true;
259 	default:
260 		return false;
261 	}
262 }
263 
264 static bool max98090_readable_register(struct device *dev, unsigned int reg)
265 {
266 	switch (reg) {
267 	case M98090_REG_DEVICE_STATUS ... M98090_REG_INTERRUPT_S:
268 	case M98090_REG_LINE_INPUT_CONFIG ... 0xD1:
269 	case M98090_REG_REVISION_ID:
270 		return true;
271 	default:
272 		return false;
273 	}
274 }
275 
276 static int max98090_reset(struct max98090_priv *max98090)
277 {
278 	int ret;
279 
280 	/* Reset the codec by writing to this write-only reset register */
281 	ret = regmap_write(max98090->regmap, M98090_REG_SOFTWARE_RESET,
282 		M98090_SWRESET_MASK);
283 	if (ret < 0) {
284 		dev_err(max98090->component->dev,
285 			"Failed to reset codec: %d\n", ret);
286 		return ret;
287 	}
288 
289 	msleep(20);
290 	return ret;
291 }
292 
293 static const DECLARE_TLV_DB_RANGE(max98090_micboost_tlv,
294 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
295 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
296 );
297 
298 static const DECLARE_TLV_DB_SCALE(max98090_mic_tlv, 0, 100, 0);
299 
300 static const DECLARE_TLV_DB_SCALE(max98090_line_single_ended_tlv,
301 	-600, 600, 0);
302 
303 static const DECLARE_TLV_DB_RANGE(max98090_line_tlv,
304 	0, 3, TLV_DB_SCALE_ITEM(-600, 300, 0),
305 	4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0)
306 );
307 
308 static const DECLARE_TLV_DB_SCALE(max98090_avg_tlv, 0, 600, 0);
309 static const DECLARE_TLV_DB_SCALE(max98090_av_tlv, -1200, 100, 0);
310 
311 static const DECLARE_TLV_DB_SCALE(max98090_dvg_tlv, 0, 600, 0);
312 static const DECLARE_TLV_DB_SCALE(max98090_dv_tlv, -1500, 100, 0);
313 
314 static const DECLARE_TLV_DB_SCALE(max98090_alcmakeup_tlv, 0, 100, 0);
315 static const DECLARE_TLV_DB_SCALE(max98090_alccomp_tlv, -3100, 100, 0);
316 static const DECLARE_TLV_DB_SCALE(max98090_drcexp_tlv, -6600, 100, 0);
317 static const DECLARE_TLV_DB_SCALE(max98090_sdg_tlv, 50, 200, 0);
318 
319 static const DECLARE_TLV_DB_RANGE(max98090_mixout_tlv,
320 	0, 1, TLV_DB_SCALE_ITEM(-1200, 250, 0),
321 	2, 3, TLV_DB_SCALE_ITEM(-600, 600, 0)
322 );
323 
324 static const DECLARE_TLV_DB_RANGE(max98090_hp_tlv,
325 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
326 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
327 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
328 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
329 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
330 );
331 
332 static const DECLARE_TLV_DB_RANGE(max98090_spk_tlv,
333 	0, 4, TLV_DB_SCALE_ITEM(-4800, 400, 0),
334 	5, 10, TLV_DB_SCALE_ITEM(-2900, 300, 0),
335 	11, 14, TLV_DB_SCALE_ITEM(-1200, 200, 0),
336 	15, 29, TLV_DB_SCALE_ITEM(-500, 100, 0),
337 	30, 39, TLV_DB_SCALE_ITEM(950, 50, 0)
338 );
339 
340 static const DECLARE_TLV_DB_RANGE(max98090_rcv_lout_tlv,
341 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
342 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
343 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
344 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
345 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
346 );
347 
348 static int max98090_get_enab_tlv(struct snd_kcontrol *kcontrol,
349 				struct snd_ctl_elem_value *ucontrol)
350 {
351 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
352 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
353 	struct soc_mixer_control *mc =
354 		(struct soc_mixer_control *)kcontrol->private_value;
355 	unsigned int mask = (1 << fls(mc->max)) - 1;
356 	unsigned int val = snd_soc_component_read(component, mc->reg);
357 	unsigned int *select;
358 
359 	switch (mc->reg) {
360 	case M98090_REG_MIC1_INPUT_LEVEL:
361 		select = &(max98090->pa1en);
362 		break;
363 	case M98090_REG_MIC2_INPUT_LEVEL:
364 		select = &(max98090->pa2en);
365 		break;
366 	case M98090_REG_ADC_SIDETONE:
367 		select = &(max98090->sidetone);
368 		break;
369 	default:
370 		return -EINVAL;
371 	}
372 
373 	val = (val >> mc->shift) & mask;
374 
375 	if (val >= 1) {
376 		/* If on, return the volume */
377 		val = val - 1;
378 		*select = val;
379 	} else {
380 		/* If off, return last stored value */
381 		val = *select;
382 	}
383 
384 	ucontrol->value.integer.value[0] = val;
385 	return 0;
386 }
387 
388 static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
389 				struct snd_ctl_elem_value *ucontrol)
390 {
391 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
392 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
393 	struct soc_mixer_control *mc =
394 		(struct soc_mixer_control *)kcontrol->private_value;
395 	unsigned int mask = (1 << fls(mc->max)) - 1;
396 	int sel_unchecked = ucontrol->value.integer.value[0];
397 	unsigned int sel;
398 	unsigned int val = snd_soc_component_read(component, mc->reg);
399 	unsigned int *select;
400 	int change;
401 
402 	switch (mc->reg) {
403 	case M98090_REG_MIC1_INPUT_LEVEL:
404 		select = &(max98090->pa1en);
405 		break;
406 	case M98090_REG_MIC2_INPUT_LEVEL:
407 		select = &(max98090->pa2en);
408 		break;
409 	case M98090_REG_ADC_SIDETONE:
410 		select = &(max98090->sidetone);
411 		break;
412 	default:
413 		return -EINVAL;
414 	}
415 
416 	val = (val >> mc->shift) & mask;
417 
418 	if (sel_unchecked < 0 || sel_unchecked > mc->max)
419 		return -EINVAL;
420 	sel = sel_unchecked;
421 
422 	change = *select != sel;
423 	*select = sel;
424 
425 	/* Setting a volume is only valid if it is already On */
426 	if (val >= 1) {
427 		sel = sel + 1;
428 	} else {
429 		/* Write what was already there */
430 		sel = val;
431 	}
432 
433 	snd_soc_component_update_bits(component, mc->reg,
434 		mask << mc->shift,
435 		sel << mc->shift);
436 
437 	return change;
438 }
439 
440 static const char *max98090_perf_pwr_text[] =
441 	{ "High Performance", "Low Power" };
442 static const char *max98090_pwr_perf_text[] =
443 	{ "Low Power", "High Performance" };
444 
445 static SOC_ENUM_SINGLE_DECL(max98090_vcmbandgap_enum,
446 			    M98090_REG_BIAS_CONTROL,
447 			    M98090_VCM_MODE_SHIFT,
448 			    max98090_pwr_perf_text);
449 
450 static const char *max98090_osr128_text[] = { "64*fs", "128*fs" };
451 
452 static SOC_ENUM_SINGLE_DECL(max98090_osr128_enum,
453 			    M98090_REG_ADC_CONTROL,
454 			    M98090_OSR128_SHIFT,
455 			    max98090_osr128_text);
456 
457 static const char *max98090_mode_text[] = { "Voice", "Music" };
458 
459 static SOC_ENUM_SINGLE_DECL(max98090_mode_enum,
460 			    M98090_REG_FILTER_CONFIG,
461 			    M98090_MODE_SHIFT,
462 			    max98090_mode_text);
463 
464 static SOC_ENUM_SINGLE_DECL(max98090_filter_dmic34mode_enum,
465 			    M98090_REG_FILTER_CONFIG,
466 			    M98090_FLT_DMIC34MODE_SHIFT,
467 			    max98090_mode_text);
468 
469 static const char *max98090_drcatk_text[] =
470 	{ "0.5ms", "1ms", "5ms", "10ms", "25ms", "50ms", "100ms", "200ms" };
471 
472 static SOC_ENUM_SINGLE_DECL(max98090_drcatk_enum,
473 			    M98090_REG_DRC_TIMING,
474 			    M98090_DRCATK_SHIFT,
475 			    max98090_drcatk_text);
476 
477 static const char *max98090_drcrls_text[] =
478 	{ "8s", "4s", "2s", "1s", "0.5s", "0.25s", "0.125s", "0.0625s" };
479 
480 static SOC_ENUM_SINGLE_DECL(max98090_drcrls_enum,
481 			    M98090_REG_DRC_TIMING,
482 			    M98090_DRCRLS_SHIFT,
483 			    max98090_drcrls_text);
484 
485 static const char *max98090_alccmp_text[] =
486 	{ "1:1", "1:1.5", "1:2", "1:4", "1:INF" };
487 
488 static SOC_ENUM_SINGLE_DECL(max98090_alccmp_enum,
489 			    M98090_REG_DRC_COMPRESSOR,
490 			    M98090_DRCCMP_SHIFT,
491 			    max98090_alccmp_text);
492 
493 static const char *max98090_drcexp_text[] = { "1:1", "2:1", "3:1" };
494 
495 static SOC_ENUM_SINGLE_DECL(max98090_drcexp_enum,
496 			    M98090_REG_DRC_EXPANDER,
497 			    M98090_DRCEXP_SHIFT,
498 			    max98090_drcexp_text);
499 
500 static SOC_ENUM_SINGLE_DECL(max98090_dac_perfmode_enum,
501 			    M98090_REG_DAC_CONTROL,
502 			    M98090_PERFMODE_SHIFT,
503 			    max98090_perf_pwr_text);
504 
505 static SOC_ENUM_SINGLE_DECL(max98090_dachp_enum,
506 			    M98090_REG_DAC_CONTROL,
507 			    M98090_DACHP_SHIFT,
508 			    max98090_pwr_perf_text);
509 
510 static SOC_ENUM_SINGLE_DECL(max98090_adchp_enum,
511 			    M98090_REG_ADC_CONTROL,
512 			    M98090_ADCHP_SHIFT,
513 			    max98090_pwr_perf_text);
514 
515 static const struct snd_kcontrol_new max98090_snd_controls[] = {
516 	SOC_ENUM("MIC Bias VCM Bandgap", max98090_vcmbandgap_enum),
517 
518 	SOC_SINGLE("DMIC MIC Comp Filter Config", M98090_REG_DIGITAL_MIC_CONFIG,
519 		M98090_DMIC_COMP_SHIFT, M98090_DMIC_COMP_NUM - 1, 0),
520 
521 	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
522 		M98090_REG_MIC1_INPUT_LEVEL, M98090_MIC_PA1EN_SHIFT,
523 		M98090_MIC_PA1EN_NUM - 1, 0, max98090_get_enab_tlv,
524 		max98090_put_enab_tlv, max98090_micboost_tlv),
525 
526 	SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
527 		M98090_REG_MIC2_INPUT_LEVEL, M98090_MIC_PA2EN_SHIFT,
528 		M98090_MIC_PA2EN_NUM - 1, 0, max98090_get_enab_tlv,
529 		max98090_put_enab_tlv, max98090_micboost_tlv),
530 
531 	SOC_SINGLE_TLV("MIC1 Volume", M98090_REG_MIC1_INPUT_LEVEL,
532 		M98090_MIC_PGAM1_SHIFT, M98090_MIC_PGAM1_NUM - 1, 1,
533 		max98090_mic_tlv),
534 
535 	SOC_SINGLE_TLV("MIC2 Volume", M98090_REG_MIC2_INPUT_LEVEL,
536 		M98090_MIC_PGAM2_SHIFT, M98090_MIC_PGAM2_NUM - 1, 1,
537 		max98090_mic_tlv),
538 
539 	SOC_SINGLE_RANGE_TLV("LINEA Single Ended Volume",
540 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG135_SHIFT, 0,
541 		M98090_MIXG135_NUM - 1, 1, max98090_line_single_ended_tlv),
542 
543 	SOC_SINGLE_RANGE_TLV("LINEB Single Ended Volume",
544 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG246_SHIFT, 0,
545 		M98090_MIXG246_NUM - 1, 1, max98090_line_single_ended_tlv),
546 
547 	SOC_SINGLE_RANGE_TLV("LINEA Volume", M98090_REG_LINE_INPUT_LEVEL,
548 		M98090_LINAPGA_SHIFT, 0, M98090_LINAPGA_NUM - 1, 1,
549 		max98090_line_tlv),
550 
551 	SOC_SINGLE_RANGE_TLV("LINEB Volume", M98090_REG_LINE_INPUT_LEVEL,
552 		M98090_LINBPGA_SHIFT, 0, M98090_LINBPGA_NUM - 1, 1,
553 		max98090_line_tlv),
554 
555 	SOC_SINGLE("LINEA Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
556 		M98090_EXTBUFA_SHIFT, M98090_EXTBUFA_NUM - 1, 0),
557 	SOC_SINGLE("LINEB Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
558 		M98090_EXTBUFB_SHIFT, M98090_EXTBUFB_NUM - 1, 0),
559 
560 	SOC_SINGLE_TLV("ADCL Boost Volume", M98090_REG_LEFT_ADC_LEVEL,
561 		M98090_AVLG_SHIFT, M98090_AVLG_NUM - 1, 0,
562 		max98090_avg_tlv),
563 	SOC_SINGLE_TLV("ADCR Boost Volume", M98090_REG_RIGHT_ADC_LEVEL,
564 		M98090_AVRG_SHIFT, M98090_AVLG_NUM - 1, 0,
565 		max98090_avg_tlv),
566 
567 	SOC_SINGLE_TLV("ADCL Volume", M98090_REG_LEFT_ADC_LEVEL,
568 		M98090_AVL_SHIFT, M98090_AVL_NUM - 1, 1,
569 		max98090_av_tlv),
570 	SOC_SINGLE_TLV("ADCR Volume", M98090_REG_RIGHT_ADC_LEVEL,
571 		M98090_AVR_SHIFT, M98090_AVR_NUM - 1, 1,
572 		max98090_av_tlv),
573 
574 	SOC_ENUM("ADC Oversampling Rate", max98090_osr128_enum),
575 	SOC_SINGLE("ADC Quantizer Dither", M98090_REG_ADC_CONTROL,
576 		M98090_ADCDITHER_SHIFT, M98090_ADCDITHER_NUM - 1, 0),
577 	SOC_ENUM("ADC High Performance Mode", max98090_adchp_enum),
578 
579 	SOC_SINGLE("DAC Mono Mode", M98090_REG_IO_CONFIGURATION,
580 		M98090_DMONO_SHIFT, M98090_DMONO_NUM - 1, 0),
581 	SOC_SINGLE("SDIN Mode", M98090_REG_IO_CONFIGURATION,
582 		M98090_SDIEN_SHIFT, M98090_SDIEN_NUM - 1, 0),
583 	SOC_SINGLE("SDOUT Mode", M98090_REG_IO_CONFIGURATION,
584 		M98090_SDOEN_SHIFT, M98090_SDOEN_NUM - 1, 0),
585 	SOC_SINGLE("SDOUT Hi-Z Mode", M98090_REG_IO_CONFIGURATION,
586 		M98090_HIZOFF_SHIFT, M98090_HIZOFF_NUM - 1, 1),
587 	SOC_ENUM("Filter Mode", max98090_mode_enum),
588 	SOC_SINGLE("Record Path DC Blocking", M98090_REG_FILTER_CONFIG,
589 		M98090_AHPF_SHIFT, M98090_AHPF_NUM - 1, 0),
590 	SOC_SINGLE("Playback Path DC Blocking", M98090_REG_FILTER_CONFIG,
591 		M98090_DHPF_SHIFT, M98090_DHPF_NUM - 1, 0),
592 	SOC_SINGLE_TLV("Digital BQ Volume", M98090_REG_ADC_BIQUAD_LEVEL,
593 		M98090_AVBQ_SHIFT, M98090_AVBQ_NUM - 1, 1, max98090_dv_tlv),
594 	SOC_SINGLE_EXT_TLV("Digital Sidetone Volume",
595 		M98090_REG_ADC_SIDETONE, M98090_DVST_SHIFT,
596 		M98090_DVST_NUM - 1, 1, max98090_get_enab_tlv,
597 		max98090_put_enab_tlv, max98090_sdg_tlv),
598 	SOC_SINGLE_TLV("Digital Coarse Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
599 		M98090_DVG_SHIFT, M98090_DVG_NUM - 1, 0,
600 		max98090_dvg_tlv),
601 	SOC_SINGLE_TLV("Digital Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
602 		M98090_DV_SHIFT, M98090_DV_NUM - 1, 1,
603 		max98090_dv_tlv),
604 	SND_SOC_BYTES("EQ Coefficients", M98090_REG_EQUALIZER_BASE, 105),
605 	SOC_SINGLE("Digital EQ 3 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
606 		M98090_EQ3BANDEN_SHIFT, M98090_EQ3BANDEN_NUM - 1, 0),
607 	SOC_SINGLE("Digital EQ 5 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
608 		M98090_EQ5BANDEN_SHIFT, M98090_EQ5BANDEN_NUM - 1, 0),
609 	SOC_SINGLE("Digital EQ 7 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
610 		M98090_EQ7BANDEN_SHIFT, M98090_EQ7BANDEN_NUM - 1, 0),
611 	SOC_SINGLE("Digital EQ Clipping Detection", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
612 		M98090_EQCLPN_SHIFT, M98090_EQCLPN_NUM - 1,
613 		1),
614 	SOC_SINGLE_TLV("Digital EQ Volume", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
615 		M98090_DVEQ_SHIFT, M98090_DVEQ_NUM - 1, 1,
616 		max98090_dv_tlv),
617 
618 	SOC_SINGLE("ALC Enable", M98090_REG_DRC_TIMING,
619 		M98090_DRCEN_SHIFT, M98090_DRCEN_NUM - 1, 0),
620 	SOC_ENUM("ALC Attack Time", max98090_drcatk_enum),
621 	SOC_ENUM("ALC Release Time", max98090_drcrls_enum),
622 	SOC_SINGLE_TLV("ALC Make Up Volume", M98090_REG_DRC_GAIN,
623 		M98090_DRCG_SHIFT, M98090_DRCG_NUM - 1, 0,
624 		max98090_alcmakeup_tlv),
625 	SOC_ENUM("ALC Compression Ratio", max98090_alccmp_enum),
626 	SOC_ENUM("ALC Expansion Ratio", max98090_drcexp_enum),
627 	SOC_SINGLE_TLV("ALC Compression Threshold Volume",
628 		M98090_REG_DRC_COMPRESSOR, M98090_DRCTHC_SHIFT,
629 		M98090_DRCTHC_NUM - 1, 1, max98090_alccomp_tlv),
630 	SOC_SINGLE_TLV("ALC Expansion Threshold Volume",
631 		M98090_REG_DRC_EXPANDER, M98090_DRCTHE_SHIFT,
632 		M98090_DRCTHE_NUM - 1, 1, max98090_drcexp_tlv),
633 
634 	SOC_ENUM("DAC HP Playback Performance Mode",
635 		max98090_dac_perfmode_enum),
636 	SOC_ENUM("DAC High Performance Mode", max98090_dachp_enum),
637 
638 	SOC_SINGLE_TLV("Headphone Left Mixer Volume",
639 		M98090_REG_HP_CONTROL, M98090_MIXHPLG_SHIFT,
640 		M98090_MIXHPLG_NUM - 1, 1, max98090_mixout_tlv),
641 	SOC_SINGLE_TLV("Headphone Right Mixer Volume",
642 		M98090_REG_HP_CONTROL, M98090_MIXHPRG_SHIFT,
643 		M98090_MIXHPRG_NUM - 1, 1, max98090_mixout_tlv),
644 
645 	SOC_SINGLE_TLV("Speaker Left Mixer Volume",
646 		M98090_REG_SPK_CONTROL, M98090_MIXSPLG_SHIFT,
647 		M98090_MIXSPLG_NUM - 1, 1, max98090_mixout_tlv),
648 	SOC_SINGLE_TLV("Speaker Right Mixer Volume",
649 		M98090_REG_SPK_CONTROL, M98090_MIXSPRG_SHIFT,
650 		M98090_MIXSPRG_NUM - 1, 1, max98090_mixout_tlv),
651 
652 	SOC_SINGLE_TLV("Receiver Left Mixer Volume",
653 		M98090_REG_RCV_LOUTL_CONTROL, M98090_MIXRCVLG_SHIFT,
654 		M98090_MIXRCVLG_NUM - 1, 1, max98090_mixout_tlv),
655 	SOC_SINGLE_TLV("Receiver Right Mixer Volume",
656 		M98090_REG_LOUTR_CONTROL, M98090_MIXRCVRG_SHIFT,
657 		M98090_MIXRCVRG_NUM - 1, 1, max98090_mixout_tlv),
658 
659 	SOC_DOUBLE_R_TLV("Headphone Volume", M98090_REG_LEFT_HP_VOLUME,
660 		M98090_REG_RIGHT_HP_VOLUME, M98090_HPVOLL_SHIFT,
661 		M98090_HPVOLL_NUM - 1, 0, max98090_hp_tlv),
662 
663 	SOC_DOUBLE_R_RANGE_TLV("Speaker Volume",
664 		M98090_REG_LEFT_SPK_VOLUME, M98090_REG_RIGHT_SPK_VOLUME,
665 		M98090_SPVOLL_SHIFT, 24, M98090_SPVOLL_NUM - 1 + 24,
666 		0, max98090_spk_tlv),
667 
668 	SOC_DOUBLE_R_TLV("Receiver Volume", M98090_REG_RCV_LOUTL_VOLUME,
669 		M98090_REG_LOUTR_VOLUME, M98090_RCVLVOL_SHIFT,
670 		M98090_RCVLVOL_NUM - 1, 0, max98090_rcv_lout_tlv),
671 
672 	SOC_SINGLE("Headphone Left Switch", M98090_REG_LEFT_HP_VOLUME,
673 		M98090_HPLM_SHIFT, 1, 1),
674 	SOC_SINGLE("Headphone Right Switch", M98090_REG_RIGHT_HP_VOLUME,
675 		M98090_HPRM_SHIFT, 1, 1),
676 
677 	SOC_SINGLE("Speaker Left Switch", M98090_REG_LEFT_SPK_VOLUME,
678 		M98090_SPLM_SHIFT, 1, 1),
679 	SOC_SINGLE("Speaker Right Switch", M98090_REG_RIGHT_SPK_VOLUME,
680 		M98090_SPRM_SHIFT, 1, 1),
681 
682 	SOC_SINGLE("Receiver Left Switch", M98090_REG_RCV_LOUTL_VOLUME,
683 		M98090_RCVLM_SHIFT, 1, 1),
684 	SOC_SINGLE("Receiver Right Switch", M98090_REG_LOUTR_VOLUME,
685 		M98090_RCVRM_SHIFT, 1, 1),
686 
687 	SOC_SINGLE("Zero-Crossing Detection", M98090_REG_LEVEL_CONTROL,
688 		M98090_ZDENN_SHIFT, M98090_ZDENN_NUM - 1, 1),
689 	SOC_SINGLE("Enhanced Vol Smoothing", M98090_REG_LEVEL_CONTROL,
690 		M98090_VS2ENN_SHIFT, M98090_VS2ENN_NUM - 1, 1),
691 	SOC_SINGLE("Volume Adjustment Smoothing", M98090_REG_LEVEL_CONTROL,
692 		M98090_VSENN_SHIFT, M98090_VSENN_NUM - 1, 1),
693 
694 	SND_SOC_BYTES("Biquad Coefficients", M98090_REG_RECORD_BIQUAD_BASE, 15),
695 	SOC_SINGLE("Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
696 		M98090_ADCBQEN_SHIFT, M98090_ADCBQEN_NUM - 1, 0),
697 };
698 
699 static const struct snd_kcontrol_new max98091_snd_controls[] = {
700 
701 	SOC_SINGLE("DMIC34 Zeropad", M98090_REG_SAMPLE_RATE,
702 		M98090_DMIC34_ZEROPAD_SHIFT,
703 		M98090_DMIC34_ZEROPAD_NUM - 1, 0),
704 
705 	SOC_ENUM("Filter DMIC34 Mode", max98090_filter_dmic34mode_enum),
706 	SOC_SINGLE("DMIC34 DC Blocking", M98090_REG_FILTER_CONFIG,
707 		M98090_FLT_DMIC34HPF_SHIFT,
708 		M98090_FLT_DMIC34HPF_NUM - 1, 0),
709 
710 	SOC_SINGLE_TLV("DMIC3 Boost Volume", M98090_REG_DMIC3_VOLUME,
711 		M98090_DMIC_AV3G_SHIFT, M98090_DMIC_AV3G_NUM - 1, 0,
712 		max98090_avg_tlv),
713 	SOC_SINGLE_TLV("DMIC4 Boost Volume", M98090_REG_DMIC4_VOLUME,
714 		M98090_DMIC_AV4G_SHIFT, M98090_DMIC_AV4G_NUM - 1, 0,
715 		max98090_avg_tlv),
716 
717 	SOC_SINGLE_TLV("DMIC3 Volume", M98090_REG_DMIC3_VOLUME,
718 		M98090_DMIC_AV3_SHIFT, M98090_DMIC_AV3_NUM - 1, 1,
719 		max98090_av_tlv),
720 	SOC_SINGLE_TLV("DMIC4 Volume", M98090_REG_DMIC4_VOLUME,
721 		M98090_DMIC_AV4_SHIFT, M98090_DMIC_AV4_NUM - 1, 1,
722 		max98090_av_tlv),
723 
724 	SND_SOC_BYTES("DMIC34 Biquad Coefficients",
725 		M98090_REG_DMIC34_BIQUAD_BASE, 15),
726 	SOC_SINGLE("DMIC34 Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
727 		M98090_DMIC34BQEN_SHIFT, M98090_DMIC34BQEN_NUM - 1, 0),
728 
729 	SOC_SINGLE_TLV("DMIC34 BQ PreAttenuation Volume",
730 		M98090_REG_DMIC34_BQ_PREATTEN, M98090_AV34BQ_SHIFT,
731 		M98090_AV34BQ_NUM - 1, 1, max98090_dv_tlv),
732 };
733 
734 static int max98090_micinput_event(struct snd_soc_dapm_widget *w,
735 				 struct snd_kcontrol *kcontrol, int event)
736 {
737 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
738 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
739 
740 	unsigned int val = snd_soc_component_read(component, w->reg);
741 
742 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
743 		val = (val & M98090_MIC_PA1EN_MASK) >> M98090_MIC_PA1EN_SHIFT;
744 	else
745 		val = (val & M98090_MIC_PA2EN_MASK) >> M98090_MIC_PA2EN_SHIFT;
746 
747 	if (val >= 1) {
748 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL) {
749 			max98090->pa1en = val - 1; /* Update for volatile */
750 		} else {
751 			max98090->pa2en = val - 1; /* Update for volatile */
752 		}
753 	}
754 
755 	switch (event) {
756 	case SND_SOC_DAPM_POST_PMU:
757 		/* If turning on, set to most recently selected volume */
758 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
759 			val = max98090->pa1en + 1;
760 		else
761 			val = max98090->pa2en + 1;
762 		break;
763 	case SND_SOC_DAPM_POST_PMD:
764 		/* If turning off, turn off */
765 		val = 0;
766 		break;
767 	default:
768 		return -EINVAL;
769 	}
770 
771 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
772 		snd_soc_component_update_bits(component, w->reg, M98090_MIC_PA1EN_MASK,
773 			val << M98090_MIC_PA1EN_SHIFT);
774 	else
775 		snd_soc_component_update_bits(component, w->reg, M98090_MIC_PA2EN_MASK,
776 			val << M98090_MIC_PA2EN_SHIFT);
777 
778 	return 0;
779 }
780 
781 static int max98090_shdn_event(struct snd_soc_dapm_widget *w,
782 				 struct snd_kcontrol *kcontrol, int event)
783 {
784 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
785 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
786 
787 	if (event & SND_SOC_DAPM_POST_PMU)
788 		max98090->shdn_pending = true;
789 
790 	return 0;
791 
792 }
793 
794 static const char *mic1_mux_text[] = { "IN12", "IN56" };
795 
796 static SOC_ENUM_SINGLE_DECL(mic1_mux_enum,
797 			    M98090_REG_INPUT_MODE,
798 			    M98090_EXTMIC1_SHIFT,
799 			    mic1_mux_text);
800 
801 static const struct snd_kcontrol_new max98090_mic1_mux =
802 	SOC_DAPM_ENUM("MIC1 Mux", mic1_mux_enum);
803 
804 static const char *mic2_mux_text[] = { "IN34", "IN56" };
805 
806 static SOC_ENUM_SINGLE_DECL(mic2_mux_enum,
807 			    M98090_REG_INPUT_MODE,
808 			    M98090_EXTMIC2_SHIFT,
809 			    mic2_mux_text);
810 
811 static const struct snd_kcontrol_new max98090_mic2_mux =
812 	SOC_DAPM_ENUM("MIC2 Mux", mic2_mux_enum);
813 
814 static const char *dmic_mux_text[] = { "ADC", "DMIC" };
815 
816 static SOC_ENUM_SINGLE_VIRT_DECL(dmic_mux_enum, dmic_mux_text);
817 
818 static const struct snd_kcontrol_new max98090_dmic_mux =
819 	SOC_DAPM_ENUM("DMIC Mux", dmic_mux_enum);
820 
821 /* LINEA mixer switch */
822 static const struct snd_kcontrol_new max98090_linea_mixer_controls[] = {
823 	SOC_DAPM_SINGLE("IN1 Switch", M98090_REG_LINE_INPUT_CONFIG,
824 		M98090_IN1SEEN_SHIFT, 1, 0),
825 	SOC_DAPM_SINGLE("IN3 Switch", M98090_REG_LINE_INPUT_CONFIG,
826 		M98090_IN3SEEN_SHIFT, 1, 0),
827 	SOC_DAPM_SINGLE("IN5 Switch", M98090_REG_LINE_INPUT_CONFIG,
828 		M98090_IN5SEEN_SHIFT, 1, 0),
829 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LINE_INPUT_CONFIG,
830 		M98090_IN34DIFF_SHIFT, 1, 0),
831 };
832 
833 /* LINEB mixer switch */
834 static const struct snd_kcontrol_new max98090_lineb_mixer_controls[] = {
835 	SOC_DAPM_SINGLE("IN2 Switch", M98090_REG_LINE_INPUT_CONFIG,
836 		M98090_IN2SEEN_SHIFT, 1, 0),
837 	SOC_DAPM_SINGLE("IN4 Switch", M98090_REG_LINE_INPUT_CONFIG,
838 		M98090_IN4SEEN_SHIFT, 1, 0),
839 	SOC_DAPM_SINGLE("IN6 Switch", M98090_REG_LINE_INPUT_CONFIG,
840 		M98090_IN6SEEN_SHIFT, 1, 0),
841 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LINE_INPUT_CONFIG,
842 		M98090_IN56DIFF_SHIFT, 1, 0),
843 };
844 
845 /* Left ADC mixer switch */
846 static const struct snd_kcontrol_new max98090_left_adc_mixer_controls[] = {
847 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_LEFT_ADC_MIXER,
848 		M98090_MIXADL_IN12DIFF_SHIFT, 1, 0),
849 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LEFT_ADC_MIXER,
850 		M98090_MIXADL_IN34DIFF_SHIFT, 1, 0),
851 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LEFT_ADC_MIXER,
852 		M98090_MIXADL_IN65DIFF_SHIFT, 1, 0),
853 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_ADC_MIXER,
854 		M98090_MIXADL_LINEA_SHIFT, 1, 0),
855 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_ADC_MIXER,
856 		M98090_MIXADL_LINEB_SHIFT, 1, 0),
857 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_ADC_MIXER,
858 		M98090_MIXADL_MIC1_SHIFT, 1, 0),
859 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_ADC_MIXER,
860 		M98090_MIXADL_MIC2_SHIFT, 1, 0),
861 };
862 
863 /* Right ADC mixer switch */
864 static const struct snd_kcontrol_new max98090_right_adc_mixer_controls[] = {
865 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_RIGHT_ADC_MIXER,
866 		M98090_MIXADR_IN12DIFF_SHIFT, 1, 0),
867 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_RIGHT_ADC_MIXER,
868 		M98090_MIXADR_IN34DIFF_SHIFT, 1, 0),
869 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_RIGHT_ADC_MIXER,
870 		M98090_MIXADR_IN65DIFF_SHIFT, 1, 0),
871 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_ADC_MIXER,
872 		M98090_MIXADR_LINEA_SHIFT, 1, 0),
873 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_ADC_MIXER,
874 		M98090_MIXADR_LINEB_SHIFT, 1, 0),
875 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_ADC_MIXER,
876 		M98090_MIXADR_MIC1_SHIFT, 1, 0),
877 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_ADC_MIXER,
878 		M98090_MIXADR_MIC2_SHIFT, 1, 0),
879 };
880 
881 static const char *lten_mux_text[] = { "Normal", "Loopthrough" };
882 
883 static SOC_ENUM_SINGLE_DECL(ltenl_mux_enum,
884 			    M98090_REG_IO_CONFIGURATION,
885 			    M98090_LTEN_SHIFT,
886 			    lten_mux_text);
887 
888 static SOC_ENUM_SINGLE_DECL(ltenr_mux_enum,
889 			    M98090_REG_IO_CONFIGURATION,
890 			    M98090_LTEN_SHIFT,
891 			    lten_mux_text);
892 
893 static const struct snd_kcontrol_new max98090_ltenl_mux =
894 	SOC_DAPM_ENUM("LTENL Mux", ltenl_mux_enum);
895 
896 static const struct snd_kcontrol_new max98090_ltenr_mux =
897 	SOC_DAPM_ENUM("LTENR Mux", ltenr_mux_enum);
898 
899 static const char *lben_mux_text[] = { "Normal", "Loopback" };
900 
901 static SOC_ENUM_SINGLE_DECL(lbenl_mux_enum,
902 			    M98090_REG_IO_CONFIGURATION,
903 			    M98090_LBEN_SHIFT,
904 			    lben_mux_text);
905 
906 static SOC_ENUM_SINGLE_DECL(lbenr_mux_enum,
907 			    M98090_REG_IO_CONFIGURATION,
908 			    M98090_LBEN_SHIFT,
909 			    lben_mux_text);
910 
911 static const struct snd_kcontrol_new max98090_lbenl_mux =
912 	SOC_DAPM_ENUM("LBENL Mux", lbenl_mux_enum);
913 
914 static const struct snd_kcontrol_new max98090_lbenr_mux =
915 	SOC_DAPM_ENUM("LBENR Mux", lbenr_mux_enum);
916 
917 static const char *stenl_mux_text[] = { "Normal", "Sidetone Left" };
918 
919 static const char *stenr_mux_text[] = { "Normal", "Sidetone Right" };
920 
921 static SOC_ENUM_SINGLE_DECL(stenl_mux_enum,
922 			    M98090_REG_ADC_SIDETONE,
923 			    M98090_DSTSL_SHIFT,
924 			    stenl_mux_text);
925 
926 static SOC_ENUM_SINGLE_DECL(stenr_mux_enum,
927 			    M98090_REG_ADC_SIDETONE,
928 			    M98090_DSTSR_SHIFT,
929 			    stenr_mux_text);
930 
931 static const struct snd_kcontrol_new max98090_stenl_mux =
932 	SOC_DAPM_ENUM("STENL Mux", stenl_mux_enum);
933 
934 static const struct snd_kcontrol_new max98090_stenr_mux =
935 	SOC_DAPM_ENUM("STENR Mux", stenr_mux_enum);
936 
937 /* Left speaker mixer switch */
938 static const struct
939 	snd_kcontrol_new max98090_left_speaker_mixer_controls[] = {
940 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_SPK_MIXER,
941 		M98090_MIXSPL_DACL_SHIFT, 1, 0),
942 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_SPK_MIXER,
943 		M98090_MIXSPL_DACR_SHIFT, 1, 0),
944 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_SPK_MIXER,
945 		M98090_MIXSPL_LINEA_SHIFT, 1, 0),
946 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_SPK_MIXER,
947 		M98090_MIXSPL_LINEB_SHIFT, 1, 0),
948 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_SPK_MIXER,
949 		M98090_MIXSPL_MIC1_SHIFT, 1, 0),
950 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_SPK_MIXER,
951 		M98090_MIXSPL_MIC2_SHIFT, 1, 0),
952 };
953 
954 /* Right speaker mixer switch */
955 static const struct
956 	snd_kcontrol_new max98090_right_speaker_mixer_controls[] = {
957 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
958 		M98090_MIXSPR_DACL_SHIFT, 1, 0),
959 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
960 		M98090_MIXSPR_DACR_SHIFT, 1, 0),
961 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_SPK_MIXER,
962 		M98090_MIXSPR_LINEA_SHIFT, 1, 0),
963 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_SPK_MIXER,
964 		M98090_MIXSPR_LINEB_SHIFT, 1, 0),
965 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_SPK_MIXER,
966 		M98090_MIXSPR_MIC1_SHIFT, 1, 0),
967 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_SPK_MIXER,
968 		M98090_MIXSPR_MIC2_SHIFT, 1, 0),
969 };
970 
971 /* Left headphone mixer switch */
972 static const struct snd_kcontrol_new max98090_left_hp_mixer_controls[] = {
973 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_HP_MIXER,
974 		M98090_MIXHPL_DACL_SHIFT, 1, 0),
975 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_HP_MIXER,
976 		M98090_MIXHPL_DACR_SHIFT, 1, 0),
977 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_HP_MIXER,
978 		M98090_MIXHPL_LINEA_SHIFT, 1, 0),
979 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_HP_MIXER,
980 		M98090_MIXHPL_LINEB_SHIFT, 1, 0),
981 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_HP_MIXER,
982 		M98090_MIXHPL_MIC1_SHIFT, 1, 0),
983 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_HP_MIXER,
984 		M98090_MIXHPL_MIC2_SHIFT, 1, 0),
985 };
986 
987 /* Right headphone mixer switch */
988 static const struct snd_kcontrol_new max98090_right_hp_mixer_controls[] = {
989 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_HP_MIXER,
990 		M98090_MIXHPR_DACL_SHIFT, 1, 0),
991 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_HP_MIXER,
992 		M98090_MIXHPR_DACR_SHIFT, 1, 0),
993 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_HP_MIXER,
994 		M98090_MIXHPR_LINEA_SHIFT, 1, 0),
995 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_HP_MIXER,
996 		M98090_MIXHPR_LINEB_SHIFT, 1, 0),
997 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_HP_MIXER,
998 		M98090_MIXHPR_MIC1_SHIFT, 1, 0),
999 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_HP_MIXER,
1000 		M98090_MIXHPR_MIC2_SHIFT, 1, 0),
1001 };
1002 
1003 /* Left receiver mixer switch */
1004 static const struct snd_kcontrol_new max98090_left_rcv_mixer_controls[] = {
1005 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1006 		M98090_MIXRCVL_DACL_SHIFT, 1, 0),
1007 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1008 		M98090_MIXRCVL_DACR_SHIFT, 1, 0),
1009 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RCV_LOUTL_MIXER,
1010 		M98090_MIXRCVL_LINEA_SHIFT, 1, 0),
1011 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RCV_LOUTL_MIXER,
1012 		M98090_MIXRCVL_LINEB_SHIFT, 1, 0),
1013 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RCV_LOUTL_MIXER,
1014 		M98090_MIXRCVL_MIC1_SHIFT, 1, 0),
1015 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RCV_LOUTL_MIXER,
1016 		M98090_MIXRCVL_MIC2_SHIFT, 1, 0),
1017 };
1018 
1019 /* Right receiver mixer switch */
1020 static const struct snd_kcontrol_new max98090_right_rcv_mixer_controls[] = {
1021 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LOUTR_MIXER,
1022 		M98090_MIXRCVR_DACL_SHIFT, 1, 0),
1023 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LOUTR_MIXER,
1024 		M98090_MIXRCVR_DACR_SHIFT, 1, 0),
1025 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LOUTR_MIXER,
1026 		M98090_MIXRCVR_LINEA_SHIFT, 1, 0),
1027 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LOUTR_MIXER,
1028 		M98090_MIXRCVR_LINEB_SHIFT, 1, 0),
1029 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LOUTR_MIXER,
1030 		M98090_MIXRCVR_MIC1_SHIFT, 1, 0),
1031 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LOUTR_MIXER,
1032 		M98090_MIXRCVR_MIC2_SHIFT, 1, 0),
1033 };
1034 
1035 static const char *linmod_mux_text[] = { "Left Only", "Left and Right" };
1036 
1037 static SOC_ENUM_SINGLE_DECL(linmod_mux_enum,
1038 			    M98090_REG_LOUTR_MIXER,
1039 			    M98090_LINMOD_SHIFT,
1040 			    linmod_mux_text);
1041 
1042 static const struct snd_kcontrol_new max98090_linmod_mux =
1043 	SOC_DAPM_ENUM("LINMOD Mux", linmod_mux_enum);
1044 
1045 static const char *mixhpsel_mux_text[] = { "DAC Only", "HP Mixer" };
1046 
1047 /*
1048  * This is a mux as it selects the HP output, but to DAPM it is a Mixer enable
1049  */
1050 static SOC_ENUM_SINGLE_DECL(mixhplsel_mux_enum,
1051 			    M98090_REG_HP_CONTROL,
1052 			    M98090_MIXHPLSEL_SHIFT,
1053 			    mixhpsel_mux_text);
1054 
1055 static const struct snd_kcontrol_new max98090_mixhplsel_mux =
1056 	SOC_DAPM_ENUM("MIXHPLSEL Mux", mixhplsel_mux_enum);
1057 
1058 static SOC_ENUM_SINGLE_DECL(mixhprsel_mux_enum,
1059 			    M98090_REG_HP_CONTROL,
1060 			    M98090_MIXHPRSEL_SHIFT,
1061 			    mixhpsel_mux_text);
1062 
1063 static const struct snd_kcontrol_new max98090_mixhprsel_mux =
1064 	SOC_DAPM_ENUM("MIXHPRSEL Mux", mixhprsel_mux_enum);
1065 
1066 static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
1067 	SND_SOC_DAPM_INPUT("MIC1"),
1068 	SND_SOC_DAPM_INPUT("MIC2"),
1069 	SND_SOC_DAPM_INPUT("DMICL"),
1070 	SND_SOC_DAPM_INPUT("DMICR"),
1071 	SND_SOC_DAPM_INPUT("IN1"),
1072 	SND_SOC_DAPM_INPUT("IN2"),
1073 	SND_SOC_DAPM_INPUT("IN3"),
1074 	SND_SOC_DAPM_INPUT("IN4"),
1075 	SND_SOC_DAPM_INPUT("IN5"),
1076 	SND_SOC_DAPM_INPUT("IN6"),
1077 	SND_SOC_DAPM_INPUT("IN12"),
1078 	SND_SOC_DAPM_INPUT("IN34"),
1079 	SND_SOC_DAPM_INPUT("IN56"),
1080 
1081 	SND_SOC_DAPM_SUPPLY("MICBIAS", M98090_REG_INPUT_ENABLE,
1082 		M98090_MBEN_SHIFT, 0, NULL, 0),
1083 	SND_SOC_DAPM_SUPPLY("SHDN", M98090_REG_DEVICE_SHUTDOWN,
1084 		M98090_SHDNN_SHIFT, 0, NULL, 0),
1085 	SND_SOC_DAPM_SUPPLY("SDIEN", M98090_REG_IO_CONFIGURATION,
1086 		M98090_SDIEN_SHIFT, 0, NULL, 0),
1087 	SND_SOC_DAPM_SUPPLY("SDOEN", M98090_REG_IO_CONFIGURATION,
1088 		M98090_SDOEN_SHIFT, 0, NULL, 0),
1089 	SND_SOC_DAPM_SUPPLY("DMICL_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1090 		 M98090_DIGMICL_SHIFT, 0, max98090_shdn_event,
1091 			SND_SOC_DAPM_POST_PMU),
1092 	SND_SOC_DAPM_SUPPLY("DMICR_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1093 		 M98090_DIGMICR_SHIFT, 0, max98090_shdn_event,
1094 			 SND_SOC_DAPM_POST_PMU),
1095 	SND_SOC_DAPM_SUPPLY("AHPF", M98090_REG_FILTER_CONFIG,
1096 		M98090_AHPF_SHIFT, 0, NULL, 0),
1097 
1098 /*
1099  * Note: Sysclk and misc power supplies are taken care of by SHDN
1100  */
1101 
1102 	SND_SOC_DAPM_MUX("MIC1 Mux", SND_SOC_NOPM,
1103 		0, 0, &max98090_mic1_mux),
1104 
1105 	SND_SOC_DAPM_MUX("MIC2 Mux", SND_SOC_NOPM,
1106 		0, 0, &max98090_mic2_mux),
1107 
1108 	SND_SOC_DAPM_MUX("DMIC Mux", SND_SOC_NOPM, 0, 0, &max98090_dmic_mux),
1109 
1110 	SND_SOC_DAPM_PGA_E("MIC1 Input", M98090_REG_MIC1_INPUT_LEVEL,
1111 		M98090_MIC_PA1EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1112 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1113 
1114 	SND_SOC_DAPM_PGA_E("MIC2 Input", M98090_REG_MIC2_INPUT_LEVEL,
1115 		M98090_MIC_PA2EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1116 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1117 
1118 	SND_SOC_DAPM_MIXER("LINEA Mixer", SND_SOC_NOPM, 0, 0,
1119 		&max98090_linea_mixer_controls[0],
1120 		ARRAY_SIZE(max98090_linea_mixer_controls)),
1121 
1122 	SND_SOC_DAPM_MIXER("LINEB Mixer", SND_SOC_NOPM, 0, 0,
1123 		&max98090_lineb_mixer_controls[0],
1124 		ARRAY_SIZE(max98090_lineb_mixer_controls)),
1125 
1126 	SND_SOC_DAPM_PGA("LINEA Input", M98090_REG_INPUT_ENABLE,
1127 		M98090_LINEAEN_SHIFT, 0, NULL, 0),
1128 	SND_SOC_DAPM_PGA("LINEB Input", M98090_REG_INPUT_ENABLE,
1129 		M98090_LINEBEN_SHIFT, 0, NULL, 0),
1130 
1131 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1132 		&max98090_left_adc_mixer_controls[0],
1133 		ARRAY_SIZE(max98090_left_adc_mixer_controls)),
1134 
1135 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1136 		&max98090_right_adc_mixer_controls[0],
1137 		ARRAY_SIZE(max98090_right_adc_mixer_controls)),
1138 
1139 	SND_SOC_DAPM_ADC_E("ADCL", NULL, M98090_REG_INPUT_ENABLE,
1140 		M98090_ADLEN_SHIFT, 0, max98090_shdn_event,
1141 		SND_SOC_DAPM_POST_PMU),
1142 	SND_SOC_DAPM_ADC_E("ADCR", NULL, M98090_REG_INPUT_ENABLE,
1143 		M98090_ADREN_SHIFT, 0, max98090_shdn_event,
1144 		SND_SOC_DAPM_POST_PMU),
1145 
1146 	SND_SOC_DAPM_AIF_OUT("AIFOUTL", "HiFi Capture", 0,
1147 		SND_SOC_NOPM, 0, 0),
1148 	SND_SOC_DAPM_AIF_OUT("AIFOUTR", "HiFi Capture", 1,
1149 		SND_SOC_NOPM, 0, 0),
1150 
1151 	SND_SOC_DAPM_MUX("LBENL Mux", SND_SOC_NOPM,
1152 		0, 0, &max98090_lbenl_mux),
1153 
1154 	SND_SOC_DAPM_MUX("LBENR Mux", SND_SOC_NOPM,
1155 		0, 0, &max98090_lbenr_mux),
1156 
1157 	SND_SOC_DAPM_MUX("LTENL Mux", SND_SOC_NOPM,
1158 		0, 0, &max98090_ltenl_mux),
1159 
1160 	SND_SOC_DAPM_MUX("LTENR Mux", SND_SOC_NOPM,
1161 		0, 0, &max98090_ltenr_mux),
1162 
1163 	SND_SOC_DAPM_MUX("STENL Mux", SND_SOC_NOPM,
1164 		0, 0, &max98090_stenl_mux),
1165 
1166 	SND_SOC_DAPM_MUX("STENR Mux", SND_SOC_NOPM,
1167 		0, 0, &max98090_stenr_mux),
1168 
1169 	SND_SOC_DAPM_AIF_IN("AIFINL", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
1170 	SND_SOC_DAPM_AIF_IN("AIFINR", "HiFi Playback", 1, SND_SOC_NOPM, 0, 0),
1171 
1172 	SND_SOC_DAPM_DAC("DACL", NULL, M98090_REG_OUTPUT_ENABLE,
1173 		M98090_DALEN_SHIFT, 0),
1174 	SND_SOC_DAPM_DAC("DACR", NULL, M98090_REG_OUTPUT_ENABLE,
1175 		M98090_DAREN_SHIFT, 0),
1176 
1177 	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
1178 		&max98090_left_hp_mixer_controls[0],
1179 		ARRAY_SIZE(max98090_left_hp_mixer_controls)),
1180 
1181 	SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
1182 		&max98090_right_hp_mixer_controls[0],
1183 		ARRAY_SIZE(max98090_right_hp_mixer_controls)),
1184 
1185 	SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
1186 		&max98090_left_speaker_mixer_controls[0],
1187 		ARRAY_SIZE(max98090_left_speaker_mixer_controls)),
1188 
1189 	SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
1190 		&max98090_right_speaker_mixer_controls[0],
1191 		ARRAY_SIZE(max98090_right_speaker_mixer_controls)),
1192 
1193 	SND_SOC_DAPM_MIXER("Left Receiver Mixer", SND_SOC_NOPM, 0, 0,
1194 		&max98090_left_rcv_mixer_controls[0],
1195 		ARRAY_SIZE(max98090_left_rcv_mixer_controls)),
1196 
1197 	SND_SOC_DAPM_MIXER("Right Receiver Mixer", SND_SOC_NOPM, 0, 0,
1198 		&max98090_right_rcv_mixer_controls[0],
1199 		ARRAY_SIZE(max98090_right_rcv_mixer_controls)),
1200 
1201 	SND_SOC_DAPM_MUX("LINMOD Mux", SND_SOC_NOPM, 0, 0,
1202 		&max98090_linmod_mux),
1203 
1204 	SND_SOC_DAPM_MUX("MIXHPLSEL Mux", SND_SOC_NOPM, 0, 0,
1205 		&max98090_mixhplsel_mux),
1206 
1207 	SND_SOC_DAPM_MUX("MIXHPRSEL Mux", SND_SOC_NOPM, 0, 0,
1208 		&max98090_mixhprsel_mux),
1209 
1210 	SND_SOC_DAPM_PGA("HP Left Out", M98090_REG_OUTPUT_ENABLE,
1211 		M98090_HPLEN_SHIFT, 0, NULL, 0),
1212 	SND_SOC_DAPM_PGA("HP Right Out", M98090_REG_OUTPUT_ENABLE,
1213 		M98090_HPREN_SHIFT, 0, NULL, 0),
1214 
1215 	SND_SOC_DAPM_PGA("SPK Left Out", M98090_REG_OUTPUT_ENABLE,
1216 		M98090_SPLEN_SHIFT, 0, NULL, 0),
1217 	SND_SOC_DAPM_PGA("SPK Right Out", M98090_REG_OUTPUT_ENABLE,
1218 		M98090_SPREN_SHIFT, 0, NULL, 0),
1219 
1220 	SND_SOC_DAPM_PGA("RCV Left Out", M98090_REG_OUTPUT_ENABLE,
1221 		M98090_RCVLEN_SHIFT, 0, NULL, 0),
1222 	SND_SOC_DAPM_PGA("RCV Right Out", M98090_REG_OUTPUT_ENABLE,
1223 		M98090_RCVREN_SHIFT, 0, NULL, 0),
1224 
1225 	SND_SOC_DAPM_OUTPUT("HPL"),
1226 	SND_SOC_DAPM_OUTPUT("HPR"),
1227 	SND_SOC_DAPM_OUTPUT("SPKL"),
1228 	SND_SOC_DAPM_OUTPUT("SPKR"),
1229 	SND_SOC_DAPM_OUTPUT("RCVL"),
1230 	SND_SOC_DAPM_OUTPUT("RCVR"),
1231 };
1232 
1233 static const struct snd_soc_dapm_widget max98091_dapm_widgets[] = {
1234 	SND_SOC_DAPM_INPUT("DMIC3"),
1235 	SND_SOC_DAPM_INPUT("DMIC4"),
1236 
1237 	SND_SOC_DAPM_SUPPLY("DMIC3_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1238 		 M98090_DIGMIC3_SHIFT, 0, NULL, 0),
1239 	SND_SOC_DAPM_SUPPLY("DMIC4_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1240 		 M98090_DIGMIC4_SHIFT, 0, NULL, 0),
1241 };
1242 
1243 static const struct snd_soc_dapm_route max98090_dapm_routes[] = {
1244 	{"MIC1 Input", NULL, "MIC1"},
1245 	{"MIC2 Input", NULL, "MIC2"},
1246 
1247 	{"DMICL", NULL, "DMICL_ENA"},
1248 	{"DMICL", NULL, "DMICR_ENA"},
1249 	{"DMICR", NULL, "DMICL_ENA"},
1250 	{"DMICR", NULL, "DMICR_ENA"},
1251 	{"DMICL", NULL, "AHPF"},
1252 	{"DMICR", NULL, "AHPF"},
1253 
1254 	/* MIC1 input mux */
1255 	{"MIC1 Mux", "IN12", "IN12"},
1256 	{"MIC1 Mux", "IN56", "IN56"},
1257 
1258 	/* MIC2 input mux */
1259 	{"MIC2 Mux", "IN34", "IN34"},
1260 	{"MIC2 Mux", "IN56", "IN56"},
1261 
1262 	{"MIC1 Input", NULL, "MIC1 Mux"},
1263 	{"MIC2 Input", NULL, "MIC2 Mux"},
1264 
1265 	/* Left ADC input mixer */
1266 	{"Left ADC Mixer", "IN12 Switch", "IN12"},
1267 	{"Left ADC Mixer", "IN34 Switch", "IN34"},
1268 	{"Left ADC Mixer", "IN56 Switch", "IN56"},
1269 	{"Left ADC Mixer", "LINEA Switch", "LINEA Input"},
1270 	{"Left ADC Mixer", "LINEB Switch", "LINEB Input"},
1271 	{"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1272 	{"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1273 
1274 	/* Right ADC input mixer */
1275 	{"Right ADC Mixer", "IN12 Switch", "IN12"},
1276 	{"Right ADC Mixer", "IN34 Switch", "IN34"},
1277 	{"Right ADC Mixer", "IN56 Switch", "IN56"},
1278 	{"Right ADC Mixer", "LINEA Switch", "LINEA Input"},
1279 	{"Right ADC Mixer", "LINEB Switch", "LINEB Input"},
1280 	{"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1281 	{"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1282 
1283 	/* Line A input mixer */
1284 	{"LINEA Mixer", "IN1 Switch", "IN1"},
1285 	{"LINEA Mixer", "IN3 Switch", "IN3"},
1286 	{"LINEA Mixer", "IN5 Switch", "IN5"},
1287 	{"LINEA Mixer", "IN34 Switch", "IN34"},
1288 
1289 	/* Line B input mixer */
1290 	{"LINEB Mixer", "IN2 Switch", "IN2"},
1291 	{"LINEB Mixer", "IN4 Switch", "IN4"},
1292 	{"LINEB Mixer", "IN6 Switch", "IN6"},
1293 	{"LINEB Mixer", "IN56 Switch", "IN56"},
1294 
1295 	{"LINEA Input", NULL, "LINEA Mixer"},
1296 	{"LINEB Input", NULL, "LINEB Mixer"},
1297 
1298 	/* Inputs */
1299 	{"ADCL", NULL, "Left ADC Mixer"},
1300 	{"ADCR", NULL, "Right ADC Mixer"},
1301 	{"ADCL", NULL, "SHDN"},
1302 	{"ADCR", NULL, "SHDN"},
1303 
1304 	{"DMIC Mux", "ADC", "ADCL"},
1305 	{"DMIC Mux", "ADC", "ADCR"},
1306 	{"DMIC Mux", "DMIC", "DMICL"},
1307 	{"DMIC Mux", "DMIC", "DMICR"},
1308 
1309 	{"LBENL Mux", "Normal", "DMIC Mux"},
1310 	{"LBENL Mux", "Loopback", "LTENL Mux"},
1311 	{"LBENR Mux", "Normal", "DMIC Mux"},
1312 	{"LBENR Mux", "Loopback", "LTENR Mux"},
1313 
1314 	{"AIFOUTL", NULL, "LBENL Mux"},
1315 	{"AIFOUTR", NULL, "LBENR Mux"},
1316 	{"AIFOUTL", NULL, "SHDN"},
1317 	{"AIFOUTR", NULL, "SHDN"},
1318 	{"AIFOUTL", NULL, "SDOEN"},
1319 	{"AIFOUTR", NULL, "SDOEN"},
1320 
1321 	{"LTENL Mux", "Normal", "AIFINL"},
1322 	{"LTENL Mux", "Loopthrough", "LBENL Mux"},
1323 	{"LTENR Mux", "Normal", "AIFINR"},
1324 	{"LTENR Mux", "Loopthrough", "LBENR Mux"},
1325 
1326 	{"DACL", NULL, "LTENL Mux"},
1327 	{"DACR", NULL, "LTENR Mux"},
1328 
1329 	{"STENL Mux", "Sidetone Left", "ADCL"},
1330 	{"STENL Mux", "Sidetone Left", "DMICL"},
1331 	{"STENR Mux", "Sidetone Right", "ADCR"},
1332 	{"STENR Mux", "Sidetone Right", "DMICR"},
1333 	{"DACL", NULL, "STENL Mux"},
1334 	{"DACR", NULL, "STENR Mux"},
1335 
1336 	{"AIFINL", NULL, "SHDN"},
1337 	{"AIFINR", NULL, "SHDN"},
1338 	{"AIFINL", NULL, "SDIEN"},
1339 	{"AIFINR", NULL, "SDIEN"},
1340 	{"DACL", NULL, "SHDN"},
1341 	{"DACR", NULL, "SHDN"},
1342 
1343 	/* Left headphone output mixer */
1344 	{"Left Headphone Mixer", "Left DAC Switch", "DACL"},
1345 	{"Left Headphone Mixer", "Right DAC Switch", "DACR"},
1346 	{"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1347 	{"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1348 	{"Left Headphone Mixer", "LINEA Switch", "LINEA Input"},
1349 	{"Left Headphone Mixer", "LINEB Switch", "LINEB Input"},
1350 
1351 	/* Right headphone output mixer */
1352 	{"Right Headphone Mixer", "Left DAC Switch", "DACL"},
1353 	{"Right Headphone Mixer", "Right DAC Switch", "DACR"},
1354 	{"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1355 	{"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1356 	{"Right Headphone Mixer", "LINEA Switch", "LINEA Input"},
1357 	{"Right Headphone Mixer", "LINEB Switch", "LINEB Input"},
1358 
1359 	/* Left speaker output mixer */
1360 	{"Left Speaker Mixer", "Left DAC Switch", "DACL"},
1361 	{"Left Speaker Mixer", "Right DAC Switch", "DACR"},
1362 	{"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1363 	{"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1364 	{"Left Speaker Mixer", "LINEA Switch", "LINEA Input"},
1365 	{"Left Speaker Mixer", "LINEB Switch", "LINEB Input"},
1366 
1367 	/* Right speaker output mixer */
1368 	{"Right Speaker Mixer", "Left DAC Switch", "DACL"},
1369 	{"Right Speaker Mixer", "Right DAC Switch", "DACR"},
1370 	{"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1371 	{"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1372 	{"Right Speaker Mixer", "LINEA Switch", "LINEA Input"},
1373 	{"Right Speaker Mixer", "LINEB Switch", "LINEB Input"},
1374 
1375 	/* Left Receiver output mixer */
1376 	{"Left Receiver Mixer", "Left DAC Switch", "DACL"},
1377 	{"Left Receiver Mixer", "Right DAC Switch", "DACR"},
1378 	{"Left Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1379 	{"Left Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1380 	{"Left Receiver Mixer", "LINEA Switch", "LINEA Input"},
1381 	{"Left Receiver Mixer", "LINEB Switch", "LINEB Input"},
1382 
1383 	/* Right Receiver output mixer */
1384 	{"Right Receiver Mixer", "Left DAC Switch", "DACL"},
1385 	{"Right Receiver Mixer", "Right DAC Switch", "DACR"},
1386 	{"Right Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1387 	{"Right Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1388 	{"Right Receiver Mixer", "LINEA Switch", "LINEA Input"},
1389 	{"Right Receiver Mixer", "LINEB Switch", "LINEB Input"},
1390 
1391 	{"MIXHPLSEL Mux", "HP Mixer", "Left Headphone Mixer"},
1392 
1393 	/*
1394 	 * Disable this for lowest power if bypassing
1395 	 * the DAC with an analog signal
1396 	 */
1397 	{"HP Left Out", NULL, "DACL"},
1398 	{"HP Left Out", NULL, "MIXHPLSEL Mux"},
1399 
1400 	{"MIXHPRSEL Mux", "HP Mixer", "Right Headphone Mixer"},
1401 
1402 	/*
1403 	 * Disable this for lowest power if bypassing
1404 	 * the DAC with an analog signal
1405 	 */
1406 	{"HP Right Out", NULL, "DACR"},
1407 	{"HP Right Out", NULL, "MIXHPRSEL Mux"},
1408 
1409 	{"SPK Left Out", NULL, "Left Speaker Mixer"},
1410 	{"SPK Right Out", NULL, "Right Speaker Mixer"},
1411 	{"RCV Left Out", NULL, "Left Receiver Mixer"},
1412 
1413 	{"LINMOD Mux", "Left and Right", "Right Receiver Mixer"},
1414 	{"LINMOD Mux", "Left Only",  "Left Receiver Mixer"},
1415 	{"RCV Right Out", NULL, "LINMOD Mux"},
1416 
1417 	{"HPL", NULL, "HP Left Out"},
1418 	{"HPR", NULL, "HP Right Out"},
1419 	{"SPKL", NULL, "SPK Left Out"},
1420 	{"SPKR", NULL, "SPK Right Out"},
1421 	{"RCVL", NULL, "RCV Left Out"},
1422 	{"RCVR", NULL, "RCV Right Out"},
1423 };
1424 
1425 static const struct snd_soc_dapm_route max98091_dapm_routes[] = {
1426 	/* DMIC inputs */
1427 	{"DMIC3", NULL, "DMIC3_ENA"},
1428 	{"DMIC4", NULL, "DMIC4_ENA"},
1429 	{"DMIC3", NULL, "AHPF"},
1430 	{"DMIC4", NULL, "AHPF"},
1431 };
1432 
1433 static int max98090_add_widgets(struct snd_soc_component *component)
1434 {
1435 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1436 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
1437 
1438 	snd_soc_add_component_controls(component, max98090_snd_controls,
1439 		ARRAY_SIZE(max98090_snd_controls));
1440 
1441 	if (max98090->devtype == MAX98091) {
1442 		snd_soc_add_component_controls(component, max98091_snd_controls,
1443 			ARRAY_SIZE(max98091_snd_controls));
1444 	}
1445 
1446 	snd_soc_dapm_new_controls(dapm, max98090_dapm_widgets,
1447 		ARRAY_SIZE(max98090_dapm_widgets));
1448 
1449 	snd_soc_dapm_add_routes(dapm, max98090_dapm_routes,
1450 		ARRAY_SIZE(max98090_dapm_routes));
1451 
1452 	if (max98090->devtype == MAX98091) {
1453 		snd_soc_dapm_new_controls(dapm, max98091_dapm_widgets,
1454 			ARRAY_SIZE(max98091_dapm_widgets));
1455 
1456 		snd_soc_dapm_add_routes(dapm, max98091_dapm_routes,
1457 			ARRAY_SIZE(max98091_dapm_routes));
1458 	}
1459 
1460 	return 0;
1461 }
1462 
1463 static const int pclk_rates[] = {
1464 	12000000, 12000000, 13000000, 13000000,
1465 	16000000, 16000000, 19200000, 19200000
1466 };
1467 
1468 static const int lrclk_rates[] = {
1469 	8000, 16000, 8000, 16000,
1470 	8000, 16000, 8000, 16000
1471 };
1472 
1473 static const int user_pclk_rates[] = {
1474 	13000000, 13000000, 19200000, 19200000,
1475 };
1476 
1477 static const int user_lrclk_rates[] = {
1478 	44100, 48000, 44100, 48000,
1479 };
1480 
1481 static const unsigned long long ni_value[] = {
1482 	3528, 768, 441, 8
1483 };
1484 
1485 static const unsigned long long mi_value[] = {
1486 	8125, 1625, 1500, 25
1487 };
1488 
1489 static void max98090_configure_bclk(struct snd_soc_component *component)
1490 {
1491 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1492 	unsigned long long ni;
1493 	int i;
1494 
1495 	if (!max98090->sysclk) {
1496 		dev_err(component->dev, "No SYSCLK configured\n");
1497 		return;
1498 	}
1499 
1500 	if (!max98090->bclk || !max98090->lrclk) {
1501 		dev_err(component->dev, "No audio clocks configured\n");
1502 		return;
1503 	}
1504 
1505 	/* Skip configuration when operating as slave */
1506 	if (!(snd_soc_component_read(component, M98090_REG_MASTER_MODE) &
1507 		M98090_MAS_MASK)) {
1508 		return;
1509 	}
1510 
1511 	/* Check for supported PCLK to LRCLK ratios */
1512 	for (i = 0; i < ARRAY_SIZE(pclk_rates); i++) {
1513 		if ((pclk_rates[i] == max98090->sysclk) &&
1514 			(lrclk_rates[i] == max98090->lrclk)) {
1515 			dev_dbg(component->dev,
1516 				"Found supported PCLK to LRCLK rates 0x%x\n",
1517 				i + 0x8);
1518 
1519 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1520 				M98090_FREQ_MASK,
1521 				(i + 0x8) << M98090_FREQ_SHIFT);
1522 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1523 				M98090_USE_M1_MASK, 0);
1524 			return;
1525 		}
1526 	}
1527 
1528 	/* Check for user calculated MI and NI ratios */
1529 	for (i = 0; i < ARRAY_SIZE(user_pclk_rates); i++) {
1530 		if ((user_pclk_rates[i] == max98090->sysclk) &&
1531 			(user_lrclk_rates[i] == max98090->lrclk)) {
1532 			dev_dbg(component->dev,
1533 				"Found user supported PCLK to LRCLK rates\n");
1534 			dev_dbg(component->dev, "i %d ni %lld mi %lld\n",
1535 				i, ni_value[i], mi_value[i]);
1536 
1537 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1538 				M98090_FREQ_MASK, 0);
1539 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1540 				M98090_USE_M1_MASK,
1541 					1 << M98090_USE_M1_SHIFT);
1542 
1543 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_MSB,
1544 				(ni_value[i] >> 8) & 0x7F);
1545 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_LSB,
1546 				ni_value[i] & 0xFF);
1547 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_MI_MSB,
1548 				(mi_value[i] >> 8) & 0x7F);
1549 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_MI_LSB,
1550 				mi_value[i] & 0xFF);
1551 
1552 			return;
1553 		}
1554 	}
1555 
1556 	/*
1557 	 * Calculate based on MI = 65536 (not as good as either method above)
1558 	 */
1559 	snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1560 		M98090_FREQ_MASK, 0);
1561 	snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1562 		M98090_USE_M1_MASK, 0);
1563 
1564 	/*
1565 	 * Configure NI when operating as master
1566 	 * Note: There is a small, but significant audio quality improvement
1567 	 * by calculating ni and mi.
1568 	 */
1569 	ni = 65536ULL * (max98090->lrclk < 50000 ? 96ULL : 48ULL)
1570 			* (unsigned long long int)max98090->lrclk;
1571 	do_div(ni, (unsigned long long int)max98090->sysclk);
1572 	dev_info(component->dev, "No better method found\n");
1573 	dev_info(component->dev, "Calculating ni %lld with mi 65536\n", ni);
1574 	snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_MSB,
1575 		(ni >> 8) & 0x7F);
1576 	snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_LSB, ni & 0xFF);
1577 }
1578 
1579 static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai,
1580 				 unsigned int fmt)
1581 {
1582 	struct snd_soc_component *component = codec_dai->component;
1583 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1584 	struct max98090_cdata *cdata;
1585 	u8 regval;
1586 
1587 	max98090->dai_fmt = fmt;
1588 	cdata = &max98090->dai[0];
1589 
1590 	if (fmt != cdata->fmt) {
1591 		cdata->fmt = fmt;
1592 
1593 		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 			/* Not supported mode */
1640 		default:
1641 			dev_err(component->dev, "DAI format unsupported");
1642 			return -EINVAL;
1643 		}
1644 
1645 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1646 		case SND_SOC_DAIFMT_NB_NF:
1647 			break;
1648 		case SND_SOC_DAIFMT_NB_IF:
1649 			regval |= M98090_WCI_MASK;
1650 			break;
1651 		case SND_SOC_DAIFMT_IB_NF:
1652 			regval |= M98090_BCI_MASK;
1653 			break;
1654 		case SND_SOC_DAIFMT_IB_IF:
1655 			regval |= M98090_BCI_MASK|M98090_WCI_MASK;
1656 			break;
1657 		default:
1658 			dev_err(component->dev, "DAI invert mode unsupported");
1659 			return -EINVAL;
1660 		}
1661 
1662 		/*
1663 		 * This accommodates an inverted logic in the MAX98090 chip
1664 		 * for Bit Clock Invert (BCI). The inverted logic is only
1665 		 * seen for the case of TDM mode. The remaining cases have
1666 		 * normal logic.
1667 		 */
1668 		if (max98090->tdm_slots > 1)
1669 			regval ^= M98090_BCI_MASK;
1670 
1671 		snd_soc_component_write(component,
1672 			M98090_REG_INTERFACE_FORMAT, regval);
1673 	}
1674 
1675 	return 0;
1676 }
1677 
1678 static int max98090_set_tdm_slot(struct snd_soc_dai *codec_dai,
1679 	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
1680 {
1681 	struct snd_soc_component *component = codec_dai->component;
1682 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1683 	struct max98090_cdata *cdata;
1684 	cdata = &max98090->dai[0];
1685 
1686 	if (slots < 0 || slots > 4)
1687 		return -EINVAL;
1688 
1689 	max98090->tdm_slots = slots;
1690 	max98090->tdm_width = slot_width;
1691 
1692 	if (max98090->tdm_slots > 1) {
1693 		/* SLOTL SLOTR SLOTDLY */
1694 		snd_soc_component_write(component, M98090_REG_TDM_FORMAT,
1695 			0 << M98090_TDM_SLOTL_SHIFT |
1696 			1 << M98090_TDM_SLOTR_SHIFT |
1697 			0 << M98090_TDM_SLOTDLY_SHIFT);
1698 
1699 		/* FSW TDM */
1700 		snd_soc_component_update_bits(component, M98090_REG_TDM_CONTROL,
1701 			M98090_TDM_MASK,
1702 			M98090_TDM_MASK);
1703 	}
1704 
1705 	/*
1706 	 * Normally advisable to set TDM first, but this permits either order
1707 	 */
1708 	cdata->fmt = 0;
1709 	max98090_dai_set_fmt(codec_dai, max98090->dai_fmt);
1710 
1711 	return 0;
1712 }
1713 
1714 static int max98090_set_bias_level(struct snd_soc_component *component,
1715 				   enum snd_soc_bias_level level)
1716 {
1717 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1718 	int ret;
1719 
1720 	switch (level) {
1721 	case SND_SOC_BIAS_ON:
1722 		break;
1723 
1724 	case SND_SOC_BIAS_PREPARE:
1725 		/*
1726 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1727 		 * transition to ON or away from ON. If current bias_level
1728 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1729 		 * away from ON. Disable the clock in that case, otherwise
1730 		 * enable it.
1731 		 */
1732 		if (IS_ERR(max98090->mclk))
1733 			break;
1734 
1735 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1736 			clk_disable_unprepare(max98090->mclk);
1737 		} else {
1738 			ret = clk_prepare_enable(max98090->mclk);
1739 			if (ret)
1740 				return ret;
1741 		}
1742 		break;
1743 
1744 	case SND_SOC_BIAS_STANDBY:
1745 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1746 			ret = regcache_sync(max98090->regmap);
1747 			if (ret != 0) {
1748 				dev_err(component->dev,
1749 					"Failed to sync cache: %d\n", ret);
1750 				return ret;
1751 			}
1752 		}
1753 		break;
1754 
1755 	case SND_SOC_BIAS_OFF:
1756 		/* Set internal pull-up to lowest power mode */
1757 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
1758 			M98090_JDWK_MASK, M98090_JDWK_MASK);
1759 		regcache_mark_dirty(max98090->regmap);
1760 		break;
1761 	}
1762 	return 0;
1763 }
1764 
1765 static const int dmic_divisors[] = { 2, 3, 4, 5, 6, 8 };
1766 
1767 static const int comp_lrclk_rates[] = {
1768 	8000, 16000, 32000, 44100, 48000, 96000
1769 };
1770 
1771 struct dmic_table {
1772 	int pclk;
1773 	struct {
1774 		int freq;
1775 		int comp[6]; /* One each for 8, 16, 32, 44.1, 48, and 96 kHz */
1776 	} settings[6]; /* One for each dmic divisor. */
1777 };
1778 
1779 static const struct dmic_table dmic_table[] = { /* One for each pclk freq. */
1780 	{
1781 		.pclk = 11289600,
1782 		.settings = {
1783 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1784 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1785 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1786 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1787 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1788 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1789 		},
1790 	},
1791 	{
1792 		.pclk = 12000000,
1793 		.settings = {
1794 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1795 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1796 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1797 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1798 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1799 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1800 		}
1801 	},
1802 	{
1803 		.pclk = 12288000,
1804 		.settings = {
1805 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1806 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1807 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1808 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1809 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1810 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1811 		}
1812 	},
1813 	{
1814 		.pclk = 13000000,
1815 		.settings = {
1816 			{ .freq = 2, .comp = { 7, 8, 1, 1, 1, 1 } },
1817 			{ .freq = 1, .comp = { 7, 8, 0, 0, 0, 0 } },
1818 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1819 			{ .freq = 0, .comp = { 7, 8, 4, 4, 5, 5 } },
1820 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1821 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1822 		}
1823 	},
1824 	{
1825 		.pclk = 19200000,
1826 		.settings = {
1827 			{ .freq = 2, .comp = { 0, 0, 0, 0, 0, 0 } },
1828 			{ .freq = 1, .comp = { 7, 8, 1, 1, 1, 1 } },
1829 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1830 			{ .freq = 0, .comp = { 7, 8, 2, 2, 3, 3 } },
1831 			{ .freq = 0, .comp = { 7, 8, 1, 1, 2, 2 } },
1832 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1833 		}
1834 	},
1835 };
1836 
1837 static int max98090_find_divisor(int target_freq, int pclk)
1838 {
1839 	int current_diff = INT_MAX;
1840 	int test_diff;
1841 	int divisor_index = 0;
1842 	int i;
1843 
1844 	for (i = 0; i < ARRAY_SIZE(dmic_divisors); i++) {
1845 		test_diff = abs(target_freq - (pclk / dmic_divisors[i]));
1846 		if (test_diff < current_diff) {
1847 			current_diff = test_diff;
1848 			divisor_index = i;
1849 		}
1850 	}
1851 
1852 	return divisor_index;
1853 }
1854 
1855 static int max98090_find_closest_pclk(int pclk)
1856 {
1857 	int m1;
1858 	int m2;
1859 	int i;
1860 
1861 	for (i = 0; i < ARRAY_SIZE(dmic_table); i++) {
1862 		if (pclk == dmic_table[i].pclk)
1863 			return i;
1864 		if (pclk < dmic_table[i].pclk) {
1865 			if (i == 0)
1866 				return i;
1867 			m1 = pclk - dmic_table[i-1].pclk;
1868 			m2 = dmic_table[i].pclk - pclk;
1869 			if (m1 < m2)
1870 				return i - 1;
1871 			else
1872 				return i;
1873 		}
1874 	}
1875 
1876 	return -EINVAL;
1877 }
1878 
1879 static int max98090_configure_dmic(struct max98090_priv *max98090,
1880 				   int target_dmic_clk, int pclk, int fs)
1881 {
1882 	int micclk_index;
1883 	int pclk_index;
1884 	int dmic_freq;
1885 	int dmic_comp;
1886 	int i;
1887 
1888 	pclk_index = max98090_find_closest_pclk(pclk);
1889 	if (pclk_index < 0)
1890 		return pclk_index;
1891 
1892 	micclk_index = max98090_find_divisor(target_dmic_clk, pclk);
1893 
1894 	for (i = 0; i < ARRAY_SIZE(comp_lrclk_rates) - 1; i++) {
1895 		if (fs <= (comp_lrclk_rates[i] + comp_lrclk_rates[i+1]) / 2)
1896 			break;
1897 	}
1898 
1899 	dmic_freq = dmic_table[pclk_index].settings[micclk_index].freq;
1900 	dmic_comp = dmic_table[pclk_index].settings[micclk_index].comp[i];
1901 
1902 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_ENABLE,
1903 			   M98090_MICCLK_MASK,
1904 			   micclk_index << M98090_MICCLK_SHIFT);
1905 
1906 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_CONFIG,
1907 			   M98090_DMIC_COMP_MASK | M98090_DMIC_FREQ_MASK,
1908 			   dmic_comp << M98090_DMIC_COMP_SHIFT |
1909 			   dmic_freq << M98090_DMIC_FREQ_SHIFT);
1910 
1911 	return 0;
1912 }
1913 
1914 static int max98090_dai_startup(struct snd_pcm_substream *substream,
1915 				struct snd_soc_dai *dai)
1916 {
1917 	struct snd_soc_component *component = dai->component;
1918 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1919 	unsigned int fmt = max98090->dai_fmt;
1920 
1921 	/* Remove 24-bit format support if it is not in right justified mode. */
1922 	if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_RIGHT_J) {
1923 		substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
1924 		snd_pcm_hw_constraint_msbits(substream->runtime, 0, 16, 16);
1925 	}
1926 	return 0;
1927 }
1928 
1929 static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
1930 				   struct snd_pcm_hw_params *params,
1931 				   struct snd_soc_dai *dai)
1932 {
1933 	struct snd_soc_component *component = dai->component;
1934 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1935 	struct max98090_cdata *cdata;
1936 
1937 	cdata = &max98090->dai[0];
1938 	max98090->bclk = snd_soc_params_to_bclk(params);
1939 	if (params_channels(params) == 1)
1940 		max98090->bclk *= 2;
1941 
1942 	max98090->lrclk = params_rate(params);
1943 
1944 	switch (params_width(params)) {
1945 	case 16:
1946 		snd_soc_component_update_bits(component, M98090_REG_INTERFACE_FORMAT,
1947 			M98090_WS_MASK, 0);
1948 		break;
1949 	default:
1950 		return -EINVAL;
1951 	}
1952 
1953 	if (max98090->master)
1954 		max98090_configure_bclk(component);
1955 
1956 	cdata->rate = max98090->lrclk;
1957 
1958 	/* Update filter mode */
1959 	if (max98090->lrclk < 24000)
1960 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1961 			M98090_MODE_MASK, 0);
1962 	else
1963 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1964 			M98090_MODE_MASK, M98090_MODE_MASK);
1965 
1966 	/* Update sample rate mode */
1967 	if (max98090->lrclk < 50000)
1968 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1969 			M98090_DHF_MASK, 0);
1970 	else
1971 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1972 			M98090_DHF_MASK, M98090_DHF_MASK);
1973 
1974 	max98090_configure_dmic(max98090, max98090->dmic_freq, max98090->pclk,
1975 				max98090->lrclk);
1976 
1977 	return 0;
1978 }
1979 
1980 /*
1981  * PLL / Sysclk
1982  */
1983 static int max98090_dai_set_sysclk(struct snd_soc_dai *dai,
1984 				   int clk_id, unsigned int freq, int dir)
1985 {
1986 	struct snd_soc_component *component = dai->component;
1987 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1988 
1989 	/* Requested clock frequency is already setup */
1990 	if (freq == max98090->sysclk)
1991 		return 0;
1992 
1993 	if (!IS_ERR(max98090->mclk)) {
1994 		freq = clk_round_rate(max98090->mclk, freq);
1995 		clk_set_rate(max98090->mclk, freq);
1996 	}
1997 
1998 	/* Setup clocks for slave mode, and using the PLL
1999 	 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
2000 	 *		 0x02 (when master clk is 20MHz to 40MHz)..
2001 	 *		 0x03 (when master clk is 40MHz to 60MHz)..
2002 	 */
2003 	if ((freq >= 10000000) && (freq <= 20000000)) {
2004 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2005 			M98090_PSCLK_DIV1);
2006 		max98090->pclk = freq;
2007 	} else if ((freq > 20000000) && (freq <= 40000000)) {
2008 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2009 			M98090_PSCLK_DIV2);
2010 		max98090->pclk = freq >> 1;
2011 	} else if ((freq > 40000000) && (freq <= 60000000)) {
2012 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2013 			M98090_PSCLK_DIV4);
2014 		max98090->pclk = freq >> 2;
2015 	} else {
2016 		dev_err(component->dev, "Invalid master clock frequency\n");
2017 		return -EINVAL;
2018 	}
2019 
2020 	max98090->sysclk = freq;
2021 
2022 	return 0;
2023 }
2024 
2025 static int max98090_dai_mute(struct snd_soc_dai *codec_dai, int mute,
2026 			     int direction)
2027 {
2028 	struct snd_soc_component *component = codec_dai->component;
2029 	int regval;
2030 
2031 	regval = mute ? M98090_DVM_MASK : 0;
2032 	snd_soc_component_update_bits(component, M98090_REG_DAI_PLAYBACK_LEVEL,
2033 		M98090_DVM_MASK, regval);
2034 
2035 	return 0;
2036 }
2037 
2038 static int max98090_dai_trigger(struct snd_pcm_substream *substream, int cmd,
2039 				struct snd_soc_dai *dai)
2040 {
2041 	struct snd_soc_component *component = dai->component;
2042 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2043 
2044 	switch (cmd) {
2045 	case SNDRV_PCM_TRIGGER_START:
2046 	case SNDRV_PCM_TRIGGER_RESUME:
2047 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
2048 		if (!max98090->master && snd_soc_dai_active(dai) == 1)
2049 			queue_delayed_work(system_power_efficient_wq,
2050 					   &max98090->pll_det_enable_work,
2051 					   msecs_to_jiffies(10));
2052 		break;
2053 	case SNDRV_PCM_TRIGGER_STOP:
2054 	case SNDRV_PCM_TRIGGER_SUSPEND:
2055 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
2056 		if (!max98090->master && snd_soc_dai_active(dai) == 1)
2057 			schedule_work(&max98090->pll_det_disable_work);
2058 		break;
2059 	default:
2060 		break;
2061 	}
2062 
2063 	return 0;
2064 }
2065 
2066 static void max98090_pll_det_enable_work(struct work_struct *work)
2067 {
2068 	struct max98090_priv *max98090 =
2069 		container_of(work, struct max98090_priv,
2070 			     pll_det_enable_work.work);
2071 	struct snd_soc_component *component = max98090->component;
2072 	unsigned int status, mask;
2073 
2074 	/*
2075 	 * Clear status register in order to clear possibly already occurred
2076 	 * PLL unlock. If PLL hasn't still locked, the status will be set
2077 	 * again and PLL unlock interrupt will occur.
2078 	 * Note this will clear all status bits
2079 	 */
2080 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2081 
2082 	/*
2083 	 * Queue jack work in case jack state has just changed but handler
2084 	 * hasn't run yet
2085 	 */
2086 	regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2087 	status &= mask;
2088 	if (status & M98090_JDET_MASK)
2089 		queue_delayed_work(system_power_efficient_wq,
2090 				   &max98090->jack_work,
2091 				   msecs_to_jiffies(100));
2092 
2093 	/* Enable PLL unlock interrupt */
2094 	snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2095 			    M98090_IULK_MASK,
2096 			    1 << M98090_IULK_SHIFT);
2097 }
2098 
2099 static void max98090_pll_det_disable_work(struct work_struct *work)
2100 {
2101 	struct max98090_priv *max98090 =
2102 		container_of(work, struct max98090_priv, pll_det_disable_work);
2103 	struct snd_soc_component *component = max98090->component;
2104 
2105 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2106 
2107 	/* Disable PLL unlock interrupt */
2108 	snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2109 			    M98090_IULK_MASK, 0);
2110 }
2111 
2112 static void max98090_pll_work(struct max98090_priv *max98090)
2113 {
2114 	struct snd_soc_component *component = max98090->component;
2115 	unsigned int pll;
2116 	int i;
2117 
2118 	if (!snd_soc_component_active(component))
2119 		return;
2120 
2121 	dev_info_ratelimited(component->dev, "PLL unlocked\n");
2122 
2123 	/*
2124 	 * As the datasheet suggested, the maximum PLL lock time should be
2125 	 * 7 msec.  The workaround resets the codec softly by toggling SHDN
2126 	 * off and on if PLL failed to lock for 10 msec.  Notably, there is
2127 	 * no suggested hold time for SHDN off.
2128 	 */
2129 
2130 	/* Toggle shutdown OFF then ON */
2131 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2132 			    M98090_SHDNN_MASK, 0);
2133 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2134 			    M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2135 
2136 	for (i = 0; i < 10; ++i) {
2137 		/* Give PLL time to lock */
2138 		usleep_range(1000, 1200);
2139 
2140 		/* Check lock status */
2141 		pll = snd_soc_component_read(
2142 				component, M98090_REG_DEVICE_STATUS);
2143 		if (!(pll & M98090_ULK_MASK))
2144 			break;
2145 	}
2146 }
2147 
2148 static void max98090_jack_work(struct work_struct *work)
2149 {
2150 	struct max98090_priv *max98090 = container_of(work,
2151 		struct max98090_priv,
2152 		jack_work.work);
2153 	struct snd_soc_component *component = max98090->component;
2154 	int status = 0;
2155 	int reg;
2156 
2157 	/* Read a second time */
2158 	if (max98090->jack_state == M98090_JACK_STATE_NO_HEADSET) {
2159 
2160 		/* Strong pull up allows mic detection */
2161 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
2162 			M98090_JDWK_MASK, 0);
2163 
2164 		msleep(50);
2165 
2166 		snd_soc_component_read(component, M98090_REG_JACK_STATUS);
2167 
2168 		/* Weak pull up allows only insertion detection */
2169 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
2170 			M98090_JDWK_MASK, M98090_JDWK_MASK);
2171 	}
2172 
2173 	reg = snd_soc_component_read(component, M98090_REG_JACK_STATUS);
2174 
2175 	switch (reg & (M98090_LSNS_MASK | M98090_JKSNS_MASK)) {
2176 		case M98090_LSNS_MASK | M98090_JKSNS_MASK:
2177 			dev_dbg(component->dev, "No Headset Detected\n");
2178 
2179 			max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2180 
2181 			status |= 0;
2182 
2183 			break;
2184 
2185 		case 0:
2186 			if (max98090->jack_state ==
2187 				M98090_JACK_STATE_HEADSET) {
2188 
2189 				dev_dbg(component->dev,
2190 					"Headset Button Down Detected\n");
2191 
2192 				/*
2193 				 * max98090_headset_button_event(codec)
2194 				 * could be defined, then called here.
2195 				 */
2196 
2197 				status |= SND_JACK_HEADSET;
2198 				status |= SND_JACK_BTN_0;
2199 
2200 				break;
2201 			}
2202 
2203 			/* Line is reported as Headphone */
2204 			/* Nokia Headset is reported as Headphone */
2205 			/* Mono Headphone is reported as Headphone */
2206 			dev_dbg(component->dev, "Headphone Detected\n");
2207 
2208 			max98090->jack_state = M98090_JACK_STATE_HEADPHONE;
2209 
2210 			status |= SND_JACK_HEADPHONE;
2211 
2212 			break;
2213 
2214 		case M98090_JKSNS_MASK:
2215 			dev_dbg(component->dev, "Headset Detected\n");
2216 
2217 			max98090->jack_state = M98090_JACK_STATE_HEADSET;
2218 
2219 			status |= SND_JACK_HEADSET;
2220 
2221 			break;
2222 
2223 		default:
2224 			dev_dbg(component->dev, "Unrecognized Jack Status\n");
2225 			break;
2226 	}
2227 
2228 	snd_soc_jack_report(max98090->jack, status,
2229 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2230 }
2231 
2232 static irqreturn_t max98090_interrupt(int irq, void *data)
2233 {
2234 	struct max98090_priv *max98090 = data;
2235 	struct snd_soc_component *component = max98090->component;
2236 	int ret;
2237 	unsigned int mask;
2238 	unsigned int active;
2239 
2240 	/* Treat interrupt before codec is initialized as spurious */
2241 	if (component == NULL)
2242 		return IRQ_NONE;
2243 
2244 	dev_dbg(component->dev, "***** max98090_interrupt *****\n");
2245 
2246 	ret = regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2247 
2248 	if (ret != 0) {
2249 		dev_err(component->dev,
2250 			"failed to read M98090_REG_INTERRUPT_S: %d\n",
2251 			ret);
2252 		return IRQ_NONE;
2253 	}
2254 
2255 	ret = regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &active);
2256 
2257 	if (ret != 0) {
2258 		dev_err(component->dev,
2259 			"failed to read M98090_REG_DEVICE_STATUS: %d\n",
2260 			ret);
2261 		return IRQ_NONE;
2262 	}
2263 
2264 	dev_dbg(component->dev, "active=0x%02x mask=0x%02x -> active=0x%02x\n",
2265 		active, mask, active & mask);
2266 
2267 	active &= mask;
2268 
2269 	if (!active)
2270 		return IRQ_NONE;
2271 
2272 	if (active & M98090_CLD_MASK)
2273 		dev_err(component->dev, "M98090_CLD_MASK\n");
2274 
2275 	if (active & M98090_SLD_MASK)
2276 		dev_dbg(component->dev, "M98090_SLD_MASK\n");
2277 
2278 	if (active & M98090_ULK_MASK) {
2279 		dev_dbg(component->dev, "M98090_ULK_MASK\n");
2280 		max98090_pll_work(max98090);
2281 	}
2282 
2283 	if (active & M98090_JDET_MASK) {
2284 		dev_dbg(component->dev, "M98090_JDET_MASK\n");
2285 
2286 		pm_wakeup_event(component->dev, 100);
2287 
2288 		queue_delayed_work(system_power_efficient_wq,
2289 				   &max98090->jack_work,
2290 				   msecs_to_jiffies(100));
2291 	}
2292 
2293 	if (active & M98090_DRCACT_MASK)
2294 		dev_dbg(component->dev, "M98090_DRCACT_MASK\n");
2295 
2296 	if (active & M98090_DRCCLP_MASK)
2297 		dev_err(component->dev, "M98090_DRCCLP_MASK\n");
2298 
2299 	return IRQ_HANDLED;
2300 }
2301 
2302 /**
2303  * max98090_mic_detect - Enable microphone detection via the MAX98090 IRQ
2304  *
2305  * @component:  MAX98090 component
2306  * @jack:   jack to report detection events on
2307  *
2308  * Enable microphone detection via IRQ on the MAX98090.  If GPIOs are
2309  * being used to bring out signals to the processor then only platform
2310  * data configuration is needed for MAX98090 and processor GPIOs should
2311  * be configured using snd_soc_jack_add_gpios() instead.
2312  *
2313  * If no jack is supplied detection will be disabled.
2314  */
2315 int max98090_mic_detect(struct snd_soc_component *component,
2316 	struct snd_soc_jack *jack)
2317 {
2318 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2319 
2320 	dev_dbg(component->dev, "max98090_mic_detect\n");
2321 
2322 	max98090->jack = jack;
2323 	if (jack) {
2324 		snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2325 			M98090_IJDET_MASK,
2326 			1 << M98090_IJDET_SHIFT);
2327 	} else {
2328 		snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2329 			M98090_IJDET_MASK,
2330 			0);
2331 	}
2332 
2333 	/* Send an initial empty report */
2334 	snd_soc_jack_report(max98090->jack, 0,
2335 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2336 
2337 	queue_delayed_work(system_power_efficient_wq,
2338 			   &max98090->jack_work,
2339 			   msecs_to_jiffies(100));
2340 
2341 	return 0;
2342 }
2343 EXPORT_SYMBOL_GPL(max98090_mic_detect);
2344 
2345 #define MAX98090_RATES SNDRV_PCM_RATE_8000_96000
2346 #define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
2347 
2348 static const struct snd_soc_dai_ops max98090_dai_ops = {
2349 	.startup = max98090_dai_startup,
2350 	.set_sysclk = max98090_dai_set_sysclk,
2351 	.set_fmt = max98090_dai_set_fmt,
2352 	.set_tdm_slot = max98090_set_tdm_slot,
2353 	.hw_params = max98090_dai_hw_params,
2354 	.mute_stream = max98090_dai_mute,
2355 	.trigger = max98090_dai_trigger,
2356 	.no_capture_mute = 1,
2357 };
2358 
2359 static struct snd_soc_dai_driver max98090_dai = {
2360 	.name = "HiFi",
2361 	.playback = {
2362 		.stream_name = "HiFi Playback",
2363 		.channels_min = 2,
2364 		.channels_max = 2,
2365 		.rates = MAX98090_RATES,
2366 		.formats = MAX98090_FORMATS,
2367 	},
2368 	.capture = {
2369 		.stream_name = "HiFi Capture",
2370 		.channels_min = 1,
2371 		.channels_max = 2,
2372 		.rates = MAX98090_RATES,
2373 		.formats = MAX98090_FORMATS,
2374 	},
2375 	 .ops = &max98090_dai_ops,
2376 };
2377 
2378 static int max98090_probe(struct snd_soc_component *component)
2379 {
2380 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2381 	struct max98090_cdata *cdata;
2382 	enum max98090_type devtype;
2383 	int ret = 0;
2384 	int err;
2385 	unsigned int micbias;
2386 
2387 	dev_dbg(component->dev, "max98090_probe\n");
2388 
2389 	max98090->mclk = devm_clk_get(component->dev, "mclk");
2390 	if (PTR_ERR(max98090->mclk) == -EPROBE_DEFER)
2391 		return -EPROBE_DEFER;
2392 
2393 	max98090->component = component;
2394 
2395 	/* Reset the codec, the DSP core, and disable all interrupts */
2396 	max98090_reset(max98090);
2397 
2398 	/* Initialize private data */
2399 
2400 	max98090->sysclk = (unsigned)-1;
2401 	max98090->pclk = (unsigned)-1;
2402 	max98090->master = false;
2403 
2404 	cdata = &max98090->dai[0];
2405 	cdata->rate = (unsigned)-1;
2406 	cdata->fmt  = (unsigned)-1;
2407 
2408 	max98090->lin_state = 0;
2409 	max98090->pa1en = 0;
2410 	max98090->pa2en = 0;
2411 
2412 	ret = snd_soc_component_read(component, M98090_REG_REVISION_ID);
2413 	if (ret < 0) {
2414 		dev_err(component->dev, "Failed to read device revision: %d\n",
2415 			ret);
2416 		goto err_access;
2417 	}
2418 
2419 	if ((ret >= M98090_REVA) && (ret <= M98090_REVA + 0x0f)) {
2420 		devtype = MAX98090;
2421 		dev_info(component->dev, "MAX98090 REVID=0x%02x\n", ret);
2422 	} else if ((ret >= M98091_REVA) && (ret <= M98091_REVA + 0x0f)) {
2423 		devtype = MAX98091;
2424 		dev_info(component->dev, "MAX98091 REVID=0x%02x\n", ret);
2425 	} else {
2426 		devtype = MAX98090;
2427 		dev_err(component->dev, "Unrecognized revision 0x%02x\n", ret);
2428 	}
2429 
2430 	if (max98090->devtype != devtype) {
2431 		dev_warn(component->dev, "Mismatch in DT specified CODEC type.\n");
2432 		max98090->devtype = devtype;
2433 	}
2434 
2435 	max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2436 
2437 	INIT_DELAYED_WORK(&max98090->jack_work, max98090_jack_work);
2438 	INIT_DELAYED_WORK(&max98090->pll_det_enable_work,
2439 			  max98090_pll_det_enable_work);
2440 	INIT_WORK(&max98090->pll_det_disable_work,
2441 		  max98090_pll_det_disable_work);
2442 
2443 	/* Enable jack detection */
2444 	snd_soc_component_write(component, M98090_REG_JACK_DETECT,
2445 		M98090_JDETEN_MASK | M98090_JDEB_25MS);
2446 
2447 	/*
2448 	 * Clear any old interrupts.
2449 	 * An old interrupt ocurring prior to installing the ISR
2450 	 * can keep a new interrupt from generating a trigger.
2451 	 */
2452 	snd_soc_component_read(component, M98090_REG_DEVICE_STATUS);
2453 
2454 	/* High Performance is default */
2455 	snd_soc_component_update_bits(component, M98090_REG_DAC_CONTROL,
2456 		M98090_DACHP_MASK,
2457 		1 << M98090_DACHP_SHIFT);
2458 	snd_soc_component_update_bits(component, M98090_REG_DAC_CONTROL,
2459 		M98090_PERFMODE_MASK,
2460 		0 << M98090_PERFMODE_SHIFT);
2461 	snd_soc_component_update_bits(component, M98090_REG_ADC_CONTROL,
2462 		M98090_ADCHP_MASK,
2463 		1 << M98090_ADCHP_SHIFT);
2464 
2465 	/* Turn on VCM bandgap reference */
2466 	snd_soc_component_write(component, M98090_REG_BIAS_CONTROL,
2467 		M98090_VCM_MODE_MASK);
2468 
2469 	err = device_property_read_u32(component->dev, "maxim,micbias", &micbias);
2470 	if (err) {
2471 		micbias = M98090_MBVSEL_2V8;
2472 		dev_info(component->dev, "use default 2.8v micbias\n");
2473 	} else if (micbias > M98090_MBVSEL_2V8) {
2474 		dev_err(component->dev, "micbias out of range 0x%x\n", micbias);
2475 		micbias = M98090_MBVSEL_2V8;
2476 	}
2477 
2478 	snd_soc_component_update_bits(component, M98090_REG_MIC_BIAS_VOLTAGE,
2479 		M98090_MBVSEL_MASK, micbias);
2480 
2481 	max98090_add_widgets(component);
2482 
2483 err_access:
2484 	return ret;
2485 }
2486 
2487 static void max98090_remove(struct snd_soc_component *component)
2488 {
2489 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2490 
2491 	cancel_delayed_work_sync(&max98090->jack_work);
2492 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2493 	cancel_work_sync(&max98090->pll_det_disable_work);
2494 	max98090->component = NULL;
2495 }
2496 
2497 static void max98090_seq_notifier(struct snd_soc_component *component,
2498 	enum snd_soc_dapm_type event, int subseq)
2499 {
2500 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2501 
2502 	if (max98090->shdn_pending) {
2503 		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2504 				M98090_SHDNN_MASK, 0);
2505 		msleep(40);
2506 		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2507 				M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2508 		max98090->shdn_pending = false;
2509 	}
2510 }
2511 
2512 static const struct snd_soc_component_driver soc_component_dev_max98090 = {
2513 	.probe			= max98090_probe,
2514 	.remove			= max98090_remove,
2515 	.seq_notifier		= max98090_seq_notifier,
2516 	.set_bias_level		= max98090_set_bias_level,
2517 	.idle_bias_on		= 1,
2518 	.use_pmdown_time	= 1,
2519 	.endianness		= 1,
2520 };
2521 
2522 static const struct regmap_config max98090_regmap = {
2523 	.reg_bits = 8,
2524 	.val_bits = 8,
2525 
2526 	.max_register = MAX98090_MAX_REGISTER,
2527 	.reg_defaults = max98090_reg,
2528 	.num_reg_defaults = ARRAY_SIZE(max98090_reg),
2529 	.volatile_reg = max98090_volatile_register,
2530 	.readable_reg = max98090_readable_register,
2531 	.cache_type = REGCACHE_RBTREE,
2532 };
2533 
2534 static const struct i2c_device_id max98090_i2c_id[] = {
2535 	{ "max98090", MAX98090 },
2536 	{ "max98091", MAX98091 },
2537 	{ }
2538 };
2539 MODULE_DEVICE_TABLE(i2c, max98090_i2c_id);
2540 
2541 static int max98090_i2c_probe(struct i2c_client *i2c)
2542 {
2543 	struct max98090_priv *max98090;
2544 	const struct acpi_device_id *acpi_id;
2545 	kernel_ulong_t driver_data = 0;
2546 	int ret;
2547 
2548 	pr_debug("max98090_i2c_probe\n");
2549 
2550 	max98090 = devm_kzalloc(&i2c->dev, sizeof(struct max98090_priv),
2551 		GFP_KERNEL);
2552 	if (max98090 == NULL)
2553 		return -ENOMEM;
2554 
2555 	if (ACPI_HANDLE(&i2c->dev)) {
2556 		acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table,
2557 					    &i2c->dev);
2558 		if (!acpi_id) {
2559 			dev_err(&i2c->dev, "No driver data\n");
2560 			return -EINVAL;
2561 		}
2562 		driver_data = acpi_id->driver_data;
2563 	} else {
2564 		const struct i2c_device_id *i2c_id =
2565 			i2c_match_id(max98090_i2c_id, i2c);
2566 		driver_data = i2c_id->driver_data;
2567 	}
2568 
2569 	max98090->devtype = driver_data;
2570 	i2c_set_clientdata(i2c, max98090);
2571 	max98090->pdata = i2c->dev.platform_data;
2572 
2573 	ret = of_property_read_u32(i2c->dev.of_node, "maxim,dmic-freq",
2574 				   &max98090->dmic_freq);
2575 	if (ret < 0)
2576 		max98090->dmic_freq = MAX98090_DEFAULT_DMIC_FREQ;
2577 
2578 	max98090->regmap = devm_regmap_init_i2c(i2c, &max98090_regmap);
2579 	if (IS_ERR(max98090->regmap)) {
2580 		ret = PTR_ERR(max98090->regmap);
2581 		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
2582 		goto err_enable;
2583 	}
2584 
2585 	ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
2586 		max98090_interrupt, IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2587 		"max98090_interrupt", max98090);
2588 	if (ret < 0) {
2589 		dev_err(&i2c->dev, "request_irq failed: %d\n",
2590 			ret);
2591 		return ret;
2592 	}
2593 
2594 	ret = devm_snd_soc_register_component(&i2c->dev,
2595 					      &soc_component_dev_max98090,
2596 					      &max98090_dai, 1);
2597 err_enable:
2598 	return ret;
2599 }
2600 
2601 static void max98090_i2c_shutdown(struct i2c_client *i2c)
2602 {
2603 	struct max98090_priv *max98090 = dev_get_drvdata(&i2c->dev);
2604 
2605 	/*
2606 	 * Enable volume smoothing, disable zero cross.  This will cause
2607 	 * a quick 40ms ramp to mute on shutdown.
2608 	 */
2609 	regmap_write(max98090->regmap,
2610 		M98090_REG_LEVEL_CONTROL, M98090_VSENN_MASK);
2611 	regmap_write(max98090->regmap,
2612 		M98090_REG_DEVICE_SHUTDOWN, 0x00);
2613 	msleep(40);
2614 }
2615 
2616 static void max98090_i2c_remove(struct i2c_client *client)
2617 {
2618 	max98090_i2c_shutdown(client);
2619 }
2620 
2621 #ifdef CONFIG_PM
2622 static int max98090_runtime_resume(struct device *dev)
2623 {
2624 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2625 
2626 	regcache_cache_only(max98090->regmap, false);
2627 
2628 	max98090_reset(max98090);
2629 
2630 	regcache_sync(max98090->regmap);
2631 
2632 	return 0;
2633 }
2634 
2635 static int max98090_runtime_suspend(struct device *dev)
2636 {
2637 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2638 
2639 	regcache_cache_only(max98090->regmap, true);
2640 
2641 	return 0;
2642 }
2643 #endif
2644 
2645 #ifdef CONFIG_PM_SLEEP
2646 static int max98090_resume(struct device *dev)
2647 {
2648 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2649 	unsigned int status;
2650 
2651 	regcache_mark_dirty(max98090->regmap);
2652 
2653 	max98090_reset(max98090);
2654 
2655 	/* clear IRQ status */
2656 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2657 
2658 	regcache_sync(max98090->regmap);
2659 
2660 	return 0;
2661 }
2662 #endif
2663 
2664 static const struct dev_pm_ops max98090_pm = {
2665 	SET_RUNTIME_PM_OPS(max98090_runtime_suspend,
2666 		max98090_runtime_resume, NULL)
2667 	SET_SYSTEM_SLEEP_PM_OPS(NULL, max98090_resume)
2668 };
2669 
2670 #ifdef CONFIG_OF
2671 static const struct of_device_id max98090_of_match[] = {
2672 	{ .compatible = "maxim,max98090", },
2673 	{ .compatible = "maxim,max98091", },
2674 	{ }
2675 };
2676 MODULE_DEVICE_TABLE(of, max98090_of_match);
2677 #endif
2678 
2679 #ifdef CONFIG_ACPI
2680 static const struct acpi_device_id max98090_acpi_match[] = {
2681 	{ "193C9890", MAX98090 },
2682 	{ }
2683 };
2684 MODULE_DEVICE_TABLE(acpi, max98090_acpi_match);
2685 #endif
2686 
2687 static struct i2c_driver max98090_i2c_driver = {
2688 	.driver = {
2689 		.name = "max98090",
2690 		.pm = &max98090_pm,
2691 		.of_match_table = of_match_ptr(max98090_of_match),
2692 		.acpi_match_table = ACPI_PTR(max98090_acpi_match),
2693 	},
2694 	.probe_new = max98090_i2c_probe,
2695 	.shutdown = max98090_i2c_shutdown,
2696 	.remove = max98090_i2c_remove,
2697 	.id_table = max98090_i2c_id,
2698 };
2699 
2700 module_i2c_driver(max98090_i2c_driver);
2701 
2702 MODULE_DESCRIPTION("ALSA SoC MAX98090 driver");
2703 MODULE_AUTHOR("Peter Hsiang, Jesse Marroqin, Jerry Wong");
2704 MODULE_LICENSE("GPL");
2705