xref: /linux/sound/soc/codecs/max98090.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * max98090.c -- MAX98090 ALSA SoC Audio driver
3  *
4  * Copyright 2011-2012 Maxim Integrated Products
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #include <linux/delay.h>
12 #include <linux/i2c.h>
13 #include <linux/module.h>
14 #include <linux/of.h>
15 #include <linux/pm.h>
16 #include <linux/pm_runtime.h>
17 #include <linux/regmap.h>
18 #include <linux/slab.h>
19 #include <linux/acpi.h>
20 #include <linux/clk.h>
21 #include <sound/jack.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/tlv.h>
26 #include <sound/max98090.h>
27 #include "max98090.h"
28 
29 /* Allows for sparsely populated register maps */
30 static const struct reg_default max98090_reg[] = {
31 	{ 0x00, 0x00 }, /* 00 Software Reset */
32 	{ 0x03, 0x04 }, /* 03 Interrupt Masks */
33 	{ 0x04, 0x00 }, /* 04 System Clock Quick */
34 	{ 0x05, 0x00 }, /* 05 Sample Rate Quick */
35 	{ 0x06, 0x00 }, /* 06 DAI Interface Quick */
36 	{ 0x07, 0x00 }, /* 07 DAC Path Quick */
37 	{ 0x08, 0x00 }, /* 08 Mic/Direct to ADC Quick */
38 	{ 0x09, 0x00 }, /* 09 Line to ADC Quick */
39 	{ 0x0A, 0x00 }, /* 0A Analog Mic Loop Quick */
40 	{ 0x0B, 0x00 }, /* 0B Analog Line Loop Quick */
41 	{ 0x0C, 0x00 }, /* 0C Reserved */
42 	{ 0x0D, 0x00 }, /* 0D Input Config */
43 	{ 0x0E, 0x1B }, /* 0E Line Input Level */
44 	{ 0x0F, 0x00 }, /* 0F Line Config */
45 
46 	{ 0x10, 0x14 }, /* 10 Mic1 Input Level */
47 	{ 0x11, 0x14 }, /* 11 Mic2 Input Level */
48 	{ 0x12, 0x00 }, /* 12 Mic Bias Voltage */
49 	{ 0x13, 0x00 }, /* 13 Digital Mic Config */
50 	{ 0x14, 0x00 }, /* 14 Digital Mic Mode */
51 	{ 0x15, 0x00 }, /* 15 Left ADC Mixer */
52 	{ 0x16, 0x00 }, /* 16 Right ADC Mixer */
53 	{ 0x17, 0x03 }, /* 17 Left ADC Level */
54 	{ 0x18, 0x03 }, /* 18 Right ADC Level */
55 	{ 0x19, 0x00 }, /* 19 ADC Biquad Level */
56 	{ 0x1A, 0x00 }, /* 1A ADC Sidetone */
57 	{ 0x1B, 0x00 }, /* 1B System Clock */
58 	{ 0x1C, 0x00 }, /* 1C Clock Mode */
59 	{ 0x1D, 0x00 }, /* 1D Any Clock 1 */
60 	{ 0x1E, 0x00 }, /* 1E Any Clock 2 */
61 	{ 0x1F, 0x00 }, /* 1F Any Clock 3 */
62 
63 	{ 0x20, 0x00 }, /* 20 Any Clock 4 */
64 	{ 0x21, 0x00 }, /* 21 Master Mode */
65 	{ 0x22, 0x00 }, /* 22 Interface Format */
66 	{ 0x23, 0x00 }, /* 23 TDM Format 1*/
67 	{ 0x24, 0x00 }, /* 24 TDM Format 2*/
68 	{ 0x25, 0x00 }, /* 25 I/O Configuration */
69 	{ 0x26, 0x80 }, /* 26 Filter Config */
70 	{ 0x27, 0x00 }, /* 27 DAI Playback Level */
71 	{ 0x28, 0x00 }, /* 28 EQ Playback Level */
72 	{ 0x29, 0x00 }, /* 29 Left HP Mixer */
73 	{ 0x2A, 0x00 }, /* 2A Right HP Mixer */
74 	{ 0x2B, 0x00 }, /* 2B HP Control */
75 	{ 0x2C, 0x1A }, /* 2C Left HP Volume */
76 	{ 0x2D, 0x1A }, /* 2D Right HP Volume */
77 	{ 0x2E, 0x00 }, /* 2E Left Spk Mixer */
78 	{ 0x2F, 0x00 }, /* 2F Right Spk Mixer */
79 
80 	{ 0x30, 0x00 }, /* 30 Spk Control */
81 	{ 0x31, 0x2C }, /* 31 Left Spk Volume */
82 	{ 0x32, 0x2C }, /* 32 Right Spk Volume */
83 	{ 0x33, 0x00 }, /* 33 ALC Timing */
84 	{ 0x34, 0x00 }, /* 34 ALC Compressor */
85 	{ 0x35, 0x00 }, /* 35 ALC Expander */
86 	{ 0x36, 0x00 }, /* 36 ALC Gain */
87 	{ 0x37, 0x00 }, /* 37 Rcv/Line OutL Mixer */
88 	{ 0x38, 0x00 }, /* 38 Rcv/Line OutL Control */
89 	{ 0x39, 0x15 }, /* 39 Rcv/Line OutL Volume */
90 	{ 0x3A, 0x00 }, /* 3A Line OutR Mixer */
91 	{ 0x3B, 0x00 }, /* 3B Line OutR Control */
92 	{ 0x3C, 0x15 }, /* 3C Line OutR Volume */
93 	{ 0x3D, 0x00 }, /* 3D Jack Detect */
94 	{ 0x3E, 0x00 }, /* 3E Input Enable */
95 	{ 0x3F, 0x00 }, /* 3F Output Enable */
96 
97 	{ 0x40, 0x00 }, /* 40 Level Control */
98 	{ 0x41, 0x00 }, /* 41 DSP Filter Enable */
99 	{ 0x42, 0x00 }, /* 42 Bias Control */
100 	{ 0x43, 0x00 }, /* 43 DAC Control */
101 	{ 0x44, 0x06 }, /* 44 ADC Control */
102 	{ 0x45, 0x00 }, /* 45 Device Shutdown */
103 	{ 0x46, 0x00 }, /* 46 Equalizer Band 1 Coefficient B0 */
104 	{ 0x47, 0x00 }, /* 47 Equalizer Band 1 Coefficient B0 */
105 	{ 0x48, 0x00 }, /* 48 Equalizer Band 1 Coefficient B0 */
106 	{ 0x49, 0x00 }, /* 49 Equalizer Band 1 Coefficient B1 */
107 	{ 0x4A, 0x00 }, /* 4A Equalizer Band 1 Coefficient B1 */
108 	{ 0x4B, 0x00 }, /* 4B Equalizer Band 1 Coefficient B1 */
109 	{ 0x4C, 0x00 }, /* 4C Equalizer Band 1 Coefficient B2 */
110 	{ 0x4D, 0x00 }, /* 4D Equalizer Band 1 Coefficient B2 */
111 	{ 0x4E, 0x00 }, /* 4E Equalizer Band 1 Coefficient B2 */
112 	{ 0x4F, 0x00 }, /* 4F Equalizer Band 1 Coefficient A1 */
113 
114 	{ 0x50, 0x00 }, /* 50 Equalizer Band 1 Coefficient A1 */
115 	{ 0x51, 0x00 }, /* 51 Equalizer Band 1 Coefficient A1 */
116 	{ 0x52, 0x00 }, /* 52 Equalizer Band 1 Coefficient A2 */
117 	{ 0x53, 0x00 }, /* 53 Equalizer Band 1 Coefficient A2 */
118 	{ 0x54, 0x00 }, /* 54 Equalizer Band 1 Coefficient A2 */
119 	{ 0x55, 0x00 }, /* 55 Equalizer Band 2 Coefficient B0 */
120 	{ 0x56, 0x00 }, /* 56 Equalizer Band 2 Coefficient B0 */
121 	{ 0x57, 0x00 }, /* 57 Equalizer Band 2 Coefficient B0 */
122 	{ 0x58, 0x00 }, /* 58 Equalizer Band 2 Coefficient B1 */
123 	{ 0x59, 0x00 }, /* 59 Equalizer Band 2 Coefficient B1 */
124 	{ 0x5A, 0x00 }, /* 5A Equalizer Band 2 Coefficient B1 */
125 	{ 0x5B, 0x00 }, /* 5B Equalizer Band 2 Coefficient B2 */
126 	{ 0x5C, 0x00 }, /* 5C Equalizer Band 2 Coefficient B2 */
127 	{ 0x5D, 0x00 }, /* 5D Equalizer Band 2 Coefficient B2 */
128 	{ 0x5E, 0x00 }, /* 5E Equalizer Band 2 Coefficient A1 */
129 	{ 0x5F, 0x00 }, /* 5F Equalizer Band 2 Coefficient A1 */
130 
131 	{ 0x60, 0x00 }, /* 60 Equalizer Band 2 Coefficient A1 */
132 	{ 0x61, 0x00 }, /* 61 Equalizer Band 2 Coefficient A2 */
133 	{ 0x62, 0x00 }, /* 62 Equalizer Band 2 Coefficient A2 */
134 	{ 0x63, 0x00 }, /* 63 Equalizer Band 2 Coefficient A2 */
135 	{ 0x64, 0x00 }, /* 64 Equalizer Band 3 Coefficient B0 */
136 	{ 0x65, 0x00 }, /* 65 Equalizer Band 3 Coefficient B0 */
137 	{ 0x66, 0x00 }, /* 66 Equalizer Band 3 Coefficient B0 */
138 	{ 0x67, 0x00 }, /* 67 Equalizer Band 3 Coefficient B1 */
139 	{ 0x68, 0x00 }, /* 68 Equalizer Band 3 Coefficient B1 */
140 	{ 0x69, 0x00 }, /* 69 Equalizer Band 3 Coefficient B1 */
141 	{ 0x6A, 0x00 }, /* 6A Equalizer Band 3 Coefficient B2 */
142 	{ 0x6B, 0x00 }, /* 6B Equalizer Band 3 Coefficient B2 */
143 	{ 0x6C, 0x00 }, /* 6C Equalizer Band 3 Coefficient B2 */
144 	{ 0x6D, 0x00 }, /* 6D Equalizer Band 3 Coefficient A1 */
145 	{ 0x6E, 0x00 }, /* 6E Equalizer Band 3 Coefficient A1 */
146 	{ 0x6F, 0x00 }, /* 6F Equalizer Band 3 Coefficient A1 */
147 
148 	{ 0x70, 0x00 }, /* 70 Equalizer Band 3 Coefficient A2 */
149 	{ 0x71, 0x00 }, /* 71 Equalizer Band 3 Coefficient A2 */
150 	{ 0x72, 0x00 }, /* 72 Equalizer Band 3 Coefficient A2 */
151 	{ 0x73, 0x00 }, /* 73 Equalizer Band 4 Coefficient B0 */
152 	{ 0x74, 0x00 }, /* 74 Equalizer Band 4 Coefficient B0 */
153 	{ 0x75, 0x00 }, /* 75 Equalizer Band 4 Coefficient B0 */
154 	{ 0x76, 0x00 }, /* 76 Equalizer Band 4 Coefficient B1 */
155 	{ 0x77, 0x00 }, /* 77 Equalizer Band 4 Coefficient B1 */
156 	{ 0x78, 0x00 }, /* 78 Equalizer Band 4 Coefficient B1 */
157 	{ 0x79, 0x00 }, /* 79 Equalizer Band 4 Coefficient B2 */
158 	{ 0x7A, 0x00 }, /* 7A Equalizer Band 4 Coefficient B2 */
159 	{ 0x7B, 0x00 }, /* 7B Equalizer Band 4 Coefficient B2 */
160 	{ 0x7C, 0x00 }, /* 7C Equalizer Band 4 Coefficient A1 */
161 	{ 0x7D, 0x00 }, /* 7D Equalizer Band 4 Coefficient A1 */
162 	{ 0x7E, 0x00 }, /* 7E Equalizer Band 4 Coefficient A1 */
163 	{ 0x7F, 0x00 }, /* 7F Equalizer Band 4 Coefficient A2 */
164 
165 	{ 0x80, 0x00 }, /* 80 Equalizer Band 4 Coefficient A2 */
166 	{ 0x81, 0x00 }, /* 81 Equalizer Band 4 Coefficient A2 */
167 	{ 0x82, 0x00 }, /* 82 Equalizer Band 5 Coefficient B0 */
168 	{ 0x83, 0x00 }, /* 83 Equalizer Band 5 Coefficient B0 */
169 	{ 0x84, 0x00 }, /* 84 Equalizer Band 5 Coefficient B0 */
170 	{ 0x85, 0x00 }, /* 85 Equalizer Band 5 Coefficient B1 */
171 	{ 0x86, 0x00 }, /* 86 Equalizer Band 5 Coefficient B1 */
172 	{ 0x87, 0x00 }, /* 87 Equalizer Band 5 Coefficient B1 */
173 	{ 0x88, 0x00 }, /* 88 Equalizer Band 5 Coefficient B2 */
174 	{ 0x89, 0x00 }, /* 89 Equalizer Band 5 Coefficient B2 */
175 	{ 0x8A, 0x00 }, /* 8A Equalizer Band 5 Coefficient B2 */
176 	{ 0x8B, 0x00 }, /* 8B Equalizer Band 5 Coefficient A1 */
177 	{ 0x8C, 0x00 }, /* 8C Equalizer Band 5 Coefficient A1 */
178 	{ 0x8D, 0x00 }, /* 8D Equalizer Band 5 Coefficient A1 */
179 	{ 0x8E, 0x00 }, /* 8E Equalizer Band 5 Coefficient A2 */
180 	{ 0x8F, 0x00 }, /* 8F Equalizer Band 5 Coefficient A2 */
181 
182 	{ 0x90, 0x00 }, /* 90 Equalizer Band 5 Coefficient A2 */
183 	{ 0x91, 0x00 }, /* 91 Equalizer Band 6 Coefficient B0 */
184 	{ 0x92, 0x00 }, /* 92 Equalizer Band 6 Coefficient B0 */
185 	{ 0x93, 0x00 }, /* 93 Equalizer Band 6 Coefficient B0 */
186 	{ 0x94, 0x00 }, /* 94 Equalizer Band 6 Coefficient B1 */
187 	{ 0x95, 0x00 }, /* 95 Equalizer Band 6 Coefficient B1 */
188 	{ 0x96, 0x00 }, /* 96 Equalizer Band 6 Coefficient B1 */
189 	{ 0x97, 0x00 }, /* 97 Equalizer Band 6 Coefficient B2 */
190 	{ 0x98, 0x00 }, /* 98 Equalizer Band 6 Coefficient B2 */
191 	{ 0x99, 0x00 }, /* 99 Equalizer Band 6 Coefficient B2 */
192 	{ 0x9A, 0x00 }, /* 9A Equalizer Band 6 Coefficient A1 */
193 	{ 0x9B, 0x00 }, /* 9B Equalizer Band 6 Coefficient A1 */
194 	{ 0x9C, 0x00 }, /* 9C Equalizer Band 6 Coefficient A1 */
195 	{ 0x9D, 0x00 }, /* 9D Equalizer Band 6 Coefficient A2 */
196 	{ 0x9E, 0x00 }, /* 9E Equalizer Band 6 Coefficient A2 */
197 	{ 0x9F, 0x00 }, /* 9F Equalizer Band 6 Coefficient A2 */
198 
199 	{ 0xA0, 0x00 }, /* A0 Equalizer Band 7 Coefficient B0 */
200 	{ 0xA1, 0x00 }, /* A1 Equalizer Band 7 Coefficient B0 */
201 	{ 0xA2, 0x00 }, /* A2 Equalizer Band 7 Coefficient B0 */
202 	{ 0xA3, 0x00 }, /* A3 Equalizer Band 7 Coefficient B1 */
203 	{ 0xA4, 0x00 }, /* A4 Equalizer Band 7 Coefficient B1 */
204 	{ 0xA5, 0x00 }, /* A5 Equalizer Band 7 Coefficient B1 */
205 	{ 0xA6, 0x00 }, /* A6 Equalizer Band 7 Coefficient B2 */
206 	{ 0xA7, 0x00 }, /* A7 Equalizer Band 7 Coefficient B2 */
207 	{ 0xA8, 0x00 }, /* A8 Equalizer Band 7 Coefficient B2 */
208 	{ 0xA9, 0x00 }, /* A9 Equalizer Band 7 Coefficient A1 */
209 	{ 0xAA, 0x00 }, /* AA Equalizer Band 7 Coefficient A1 */
210 	{ 0xAB, 0x00 }, /* AB Equalizer Band 7 Coefficient A1 */
211 	{ 0xAC, 0x00 }, /* AC Equalizer Band 7 Coefficient A2 */
212 	{ 0xAD, 0x00 }, /* AD Equalizer Band 7 Coefficient A2 */
213 	{ 0xAE, 0x00 }, /* AE Equalizer Band 7 Coefficient A2 */
214 	{ 0xAF, 0x00 }, /* AF ADC Biquad Coefficient B0 */
215 
216 	{ 0xB0, 0x00 }, /* B0 ADC Biquad Coefficient B0 */
217 	{ 0xB1, 0x00 }, /* B1 ADC Biquad Coefficient B0 */
218 	{ 0xB2, 0x00 }, /* B2 ADC Biquad Coefficient B1 */
219 	{ 0xB3, 0x00 }, /* B3 ADC Biquad Coefficient B1 */
220 	{ 0xB4, 0x00 }, /* B4 ADC Biquad Coefficient B1 */
221 	{ 0xB5, 0x00 }, /* B5 ADC Biquad Coefficient B2 */
222 	{ 0xB6, 0x00 }, /* B6 ADC Biquad Coefficient B2 */
223 	{ 0xB7, 0x00 }, /* B7 ADC Biquad Coefficient B2 */
224 	{ 0xB8, 0x00 }, /* B8 ADC Biquad Coefficient A1 */
225 	{ 0xB9, 0x00 }, /* B9 ADC Biquad Coefficient A1 */
226 	{ 0xBA, 0x00 }, /* BA ADC Biquad Coefficient A1 */
227 	{ 0xBB, 0x00 }, /* BB ADC Biquad Coefficient A2 */
228 	{ 0xBC, 0x00 }, /* BC ADC Biquad Coefficient A2 */
229 	{ 0xBD, 0x00 }, /* BD ADC Biquad Coefficient A2 */
230 	{ 0xBE, 0x00 }, /* BE Digital Mic 3 Volume */
231 	{ 0xBF, 0x00 }, /* BF Digital Mic 4 Volume */
232 
233 	{ 0xC0, 0x00 }, /* C0 Digital Mic 34 Biquad Pre Atten */
234 	{ 0xC1, 0x00 }, /* C1 Record TDM Slot */
235 	{ 0xC2, 0x00 }, /* C2 Sample Rate */
236 	{ 0xC3, 0x00 }, /* C3 Digital Mic 34 Biquad Coefficient C3 */
237 	{ 0xC4, 0x00 }, /* C4 Digital Mic 34 Biquad Coefficient C4 */
238 	{ 0xC5, 0x00 }, /* C5 Digital Mic 34 Biquad Coefficient C5 */
239 	{ 0xC6, 0x00 }, /* C6 Digital Mic 34 Biquad Coefficient C6 */
240 	{ 0xC7, 0x00 }, /* C7 Digital Mic 34 Biquad Coefficient C7 */
241 	{ 0xC8, 0x00 }, /* C8 Digital Mic 34 Biquad Coefficient C8 */
242 	{ 0xC9, 0x00 }, /* C9 Digital Mic 34 Biquad Coefficient C9 */
243 	{ 0xCA, 0x00 }, /* CA Digital Mic 34 Biquad Coefficient CA */
244 	{ 0xCB, 0x00 }, /* CB Digital Mic 34 Biquad Coefficient CB */
245 	{ 0xCC, 0x00 }, /* CC Digital Mic 34 Biquad Coefficient CC */
246 	{ 0xCD, 0x00 }, /* CD Digital Mic 34 Biquad Coefficient CD */
247 	{ 0xCE, 0x00 }, /* CE Digital Mic 34 Biquad Coefficient CE */
248 	{ 0xCF, 0x00 }, /* CF Digital Mic 34 Biquad Coefficient CF */
249 
250 	{ 0xD0, 0x00 }, /* D0 Digital Mic 34 Biquad Coefficient D0 */
251 	{ 0xD1, 0x00 }, /* D1 Digital Mic 34 Biquad Coefficient D1 */
252 };
253 
254 static bool max98090_volatile_register(struct device *dev, unsigned int reg)
255 {
256 	switch (reg) {
257 	case M98090_REG_SOFTWARE_RESET:
258 	case M98090_REG_DEVICE_STATUS:
259 	case M98090_REG_JACK_STATUS:
260 	case M98090_REG_REVISION_ID:
261 		return true;
262 	default:
263 		return false;
264 	}
265 }
266 
267 static bool max98090_readable_register(struct device *dev, unsigned int reg)
268 {
269 	switch (reg) {
270 	case M98090_REG_DEVICE_STATUS ... M98090_REG_INTERRUPT_S:
271 	case M98090_REG_LINE_INPUT_CONFIG ... 0xD1:
272 	case M98090_REG_REVISION_ID:
273 		return true;
274 	default:
275 		return false;
276 	}
277 }
278 
279 static int max98090_reset(struct max98090_priv *max98090)
280 {
281 	int ret;
282 
283 	/* Reset the codec by writing to this write-only reset register */
284 	ret = regmap_write(max98090->regmap, M98090_REG_SOFTWARE_RESET,
285 		M98090_SWRESET_MASK);
286 	if (ret < 0) {
287 		dev_err(max98090->codec->dev,
288 			"Failed to reset codec: %d\n", ret);
289 		return ret;
290 	}
291 
292 	msleep(20);
293 	return ret;
294 }
295 
296 static const DECLARE_TLV_DB_RANGE(max98090_micboost_tlv,
297 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
298 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
299 );
300 
301 static const DECLARE_TLV_DB_SCALE(max98090_mic_tlv, 0, 100, 0);
302 
303 static const DECLARE_TLV_DB_SCALE(max98090_line_single_ended_tlv,
304 	-600, 600, 0);
305 
306 static const DECLARE_TLV_DB_RANGE(max98090_line_tlv,
307 	0, 3, TLV_DB_SCALE_ITEM(-600, 300, 0),
308 	4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0)
309 );
310 
311 static const DECLARE_TLV_DB_SCALE(max98090_avg_tlv, 0, 600, 0);
312 static const DECLARE_TLV_DB_SCALE(max98090_av_tlv, -1200, 100, 0);
313 
314 static const DECLARE_TLV_DB_SCALE(max98090_dvg_tlv, 0, 600, 0);
315 static const DECLARE_TLV_DB_SCALE(max98090_dv_tlv, -1500, 100, 0);
316 
317 static const DECLARE_TLV_DB_SCALE(max98090_sidetone_tlv, -6050, 200, 0);
318 
319 static const DECLARE_TLV_DB_SCALE(max98090_alc_tlv, -1500, 100, 0);
320 static const DECLARE_TLV_DB_SCALE(max98090_alcmakeup_tlv, 0, 100, 0);
321 static const DECLARE_TLV_DB_SCALE(max98090_alccomp_tlv, -3100, 100, 0);
322 static const DECLARE_TLV_DB_SCALE(max98090_drcexp_tlv, -6600, 100, 0);
323 static const DECLARE_TLV_DB_SCALE(max98090_sdg_tlv, 50, 200, 0);
324 
325 static const DECLARE_TLV_DB_RANGE(max98090_mixout_tlv,
326 	0, 1, TLV_DB_SCALE_ITEM(-1200, 250, 0),
327 	2, 3, TLV_DB_SCALE_ITEM(-600, 600, 0)
328 );
329 
330 static const DECLARE_TLV_DB_RANGE(max98090_hp_tlv,
331 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
332 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
333 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
334 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
335 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
336 );
337 
338 static const DECLARE_TLV_DB_RANGE(max98090_spk_tlv,
339 	0, 4, TLV_DB_SCALE_ITEM(-4800, 400, 0),
340 	5, 10, TLV_DB_SCALE_ITEM(-2900, 300, 0),
341 	11, 14, TLV_DB_SCALE_ITEM(-1200, 200, 0),
342 	15, 29, TLV_DB_SCALE_ITEM(-500, 100, 0),
343 	30, 39, TLV_DB_SCALE_ITEM(950, 50, 0)
344 );
345 
346 static const DECLARE_TLV_DB_RANGE(max98090_rcv_lout_tlv,
347 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
348 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
349 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
350 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
351 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
352 );
353 
354 static int max98090_get_enab_tlv(struct snd_kcontrol *kcontrol,
355 				struct snd_ctl_elem_value *ucontrol)
356 {
357 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
358 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
359 	struct soc_mixer_control *mc =
360 		(struct soc_mixer_control *)kcontrol->private_value;
361 	unsigned int mask = (1 << fls(mc->max)) - 1;
362 	unsigned int val = snd_soc_read(codec, mc->reg);
363 	unsigned int *select;
364 
365 	switch (mc->reg) {
366 	case M98090_REG_MIC1_INPUT_LEVEL:
367 		select = &(max98090->pa1en);
368 		break;
369 	case M98090_REG_MIC2_INPUT_LEVEL:
370 		select = &(max98090->pa2en);
371 		break;
372 	case M98090_REG_ADC_SIDETONE:
373 		select = &(max98090->sidetone);
374 		break;
375 	default:
376 		return -EINVAL;
377 	}
378 
379 	val = (val >> mc->shift) & mask;
380 
381 	if (val >= 1) {
382 		/* If on, return the volume */
383 		val = val - 1;
384 		*select = val;
385 	} else {
386 		/* If off, return last stored value */
387 		val = *select;
388 	}
389 
390 	ucontrol->value.integer.value[0] = val;
391 	return 0;
392 }
393 
394 static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
395 				struct snd_ctl_elem_value *ucontrol)
396 {
397 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
398 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
399 	struct soc_mixer_control *mc =
400 		(struct soc_mixer_control *)kcontrol->private_value;
401 	unsigned int mask = (1 << fls(mc->max)) - 1;
402 	unsigned int sel = ucontrol->value.integer.value[0];
403 	unsigned int val = snd_soc_read(codec, mc->reg);
404 	unsigned int *select;
405 
406 	switch (mc->reg) {
407 	case M98090_REG_MIC1_INPUT_LEVEL:
408 		select = &(max98090->pa1en);
409 		break;
410 	case M98090_REG_MIC2_INPUT_LEVEL:
411 		select = &(max98090->pa2en);
412 		break;
413 	case M98090_REG_ADC_SIDETONE:
414 		select = &(max98090->sidetone);
415 		break;
416 	default:
417 		return -EINVAL;
418 	}
419 
420 	val = (val >> mc->shift) & mask;
421 
422 	*select = sel;
423 
424 	/* Setting a volume is only valid if it is already On */
425 	if (val >= 1) {
426 		sel = sel + 1;
427 	} else {
428 		/* Write what was already there */
429 		sel = val;
430 	}
431 
432 	snd_soc_update_bits(codec, mc->reg,
433 		mask << mc->shift,
434 		sel << mc->shift);
435 
436 	return 0;
437 }
438 
439 static const char *max98090_perf_pwr_text[] =
440 	{ "High Performance", "Low Power" };
441 static const char *max98090_pwr_perf_text[] =
442 	{ "Low Power", "High Performance" };
443 
444 static SOC_ENUM_SINGLE_DECL(max98090_vcmbandgap_enum,
445 			    M98090_REG_BIAS_CONTROL,
446 			    M98090_VCM_MODE_SHIFT,
447 			    max98090_pwr_perf_text);
448 
449 static const char *max98090_osr128_text[] = { "64*fs", "128*fs" };
450 
451 static SOC_ENUM_SINGLE_DECL(max98090_osr128_enum,
452 			    M98090_REG_ADC_CONTROL,
453 			    M98090_OSR128_SHIFT,
454 			    max98090_osr128_text);
455 
456 static const char *max98090_mode_text[] = { "Voice", "Music" };
457 
458 static SOC_ENUM_SINGLE_DECL(max98090_mode_enum,
459 			    M98090_REG_FILTER_CONFIG,
460 			    M98090_MODE_SHIFT,
461 			    max98090_mode_text);
462 
463 static SOC_ENUM_SINGLE_DECL(max98090_filter_dmic34mode_enum,
464 			    M98090_REG_FILTER_CONFIG,
465 			    M98090_FLT_DMIC34MODE_SHIFT,
466 			    max98090_mode_text);
467 
468 static const char *max98090_drcatk_text[] =
469 	{ "0.5ms", "1ms", "5ms", "10ms", "25ms", "50ms", "100ms", "200ms" };
470 
471 static SOC_ENUM_SINGLE_DECL(max98090_drcatk_enum,
472 			    M98090_REG_DRC_TIMING,
473 			    M98090_DRCATK_SHIFT,
474 			    max98090_drcatk_text);
475 
476 static const char *max98090_drcrls_text[] =
477 	{ "8s", "4s", "2s", "1s", "0.5s", "0.25s", "0.125s", "0.0625s" };
478 
479 static SOC_ENUM_SINGLE_DECL(max98090_drcrls_enum,
480 			    M98090_REG_DRC_TIMING,
481 			    M98090_DRCRLS_SHIFT,
482 			    max98090_drcrls_text);
483 
484 static const char *max98090_alccmp_text[] =
485 	{ "1:1", "1:1.5", "1:2", "1:4", "1:INF" };
486 
487 static SOC_ENUM_SINGLE_DECL(max98090_alccmp_enum,
488 			    M98090_REG_DRC_COMPRESSOR,
489 			    M98090_DRCCMP_SHIFT,
490 			    max98090_alccmp_text);
491 
492 static const char *max98090_drcexp_text[] = { "1:1", "2:1", "3:1" };
493 
494 static SOC_ENUM_SINGLE_DECL(max98090_drcexp_enum,
495 			    M98090_REG_DRC_EXPANDER,
496 			    M98090_DRCEXP_SHIFT,
497 			    max98090_drcexp_text);
498 
499 static SOC_ENUM_SINGLE_DECL(max98090_dac_perfmode_enum,
500 			    M98090_REG_DAC_CONTROL,
501 			    M98090_PERFMODE_SHIFT,
502 			    max98090_perf_pwr_text);
503 
504 static SOC_ENUM_SINGLE_DECL(max98090_dachp_enum,
505 			    M98090_REG_DAC_CONTROL,
506 			    M98090_DACHP_SHIFT,
507 			    max98090_pwr_perf_text);
508 
509 static SOC_ENUM_SINGLE_DECL(max98090_adchp_enum,
510 			    M98090_REG_ADC_CONTROL,
511 			    M98090_ADCHP_SHIFT,
512 			    max98090_pwr_perf_text);
513 
514 static const struct snd_kcontrol_new max98090_snd_controls[] = {
515 	SOC_ENUM("MIC Bias VCM Bandgap", max98090_vcmbandgap_enum),
516 
517 	SOC_SINGLE("DMIC MIC Comp Filter Config", M98090_REG_DIGITAL_MIC_CONFIG,
518 		M98090_DMIC_COMP_SHIFT, M98090_DMIC_COMP_NUM - 1, 0),
519 
520 	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
521 		M98090_REG_MIC1_INPUT_LEVEL, M98090_MIC_PA1EN_SHIFT,
522 		M98090_MIC_PA1EN_NUM - 1, 0, max98090_get_enab_tlv,
523 		max98090_put_enab_tlv, max98090_micboost_tlv),
524 
525 	SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
526 		M98090_REG_MIC2_INPUT_LEVEL, M98090_MIC_PA2EN_SHIFT,
527 		M98090_MIC_PA2EN_NUM - 1, 0, max98090_get_enab_tlv,
528 		max98090_put_enab_tlv, max98090_micboost_tlv),
529 
530 	SOC_SINGLE_TLV("MIC1 Volume", M98090_REG_MIC1_INPUT_LEVEL,
531 		M98090_MIC_PGAM1_SHIFT, M98090_MIC_PGAM1_NUM - 1, 1,
532 		max98090_mic_tlv),
533 
534 	SOC_SINGLE_TLV("MIC2 Volume", M98090_REG_MIC2_INPUT_LEVEL,
535 		M98090_MIC_PGAM2_SHIFT, M98090_MIC_PGAM2_NUM - 1, 1,
536 		max98090_mic_tlv),
537 
538 	SOC_SINGLE_RANGE_TLV("LINEA Single Ended Volume",
539 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG135_SHIFT, 0,
540 		M98090_MIXG135_NUM - 1, 1, max98090_line_single_ended_tlv),
541 
542 	SOC_SINGLE_RANGE_TLV("LINEB Single Ended Volume",
543 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG246_SHIFT, 0,
544 		M98090_MIXG246_NUM - 1, 1, max98090_line_single_ended_tlv),
545 
546 	SOC_SINGLE_RANGE_TLV("LINEA Volume", M98090_REG_LINE_INPUT_LEVEL,
547 		M98090_LINAPGA_SHIFT, 0, M98090_LINAPGA_NUM - 1, 1,
548 		max98090_line_tlv),
549 
550 	SOC_SINGLE_RANGE_TLV("LINEB Volume", M98090_REG_LINE_INPUT_LEVEL,
551 		M98090_LINBPGA_SHIFT, 0, M98090_LINBPGA_NUM - 1, 1,
552 		max98090_line_tlv),
553 
554 	SOC_SINGLE("LINEA Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
555 		M98090_EXTBUFA_SHIFT, M98090_EXTBUFA_NUM - 1, 0),
556 	SOC_SINGLE("LINEB Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
557 		M98090_EXTBUFB_SHIFT, M98090_EXTBUFB_NUM - 1, 0),
558 
559 	SOC_SINGLE_TLV("ADCL Boost Volume", M98090_REG_LEFT_ADC_LEVEL,
560 		M98090_AVLG_SHIFT, M98090_AVLG_NUM - 1, 0,
561 		max98090_avg_tlv),
562 	SOC_SINGLE_TLV("ADCR Boost Volume", M98090_REG_RIGHT_ADC_LEVEL,
563 		M98090_AVRG_SHIFT, M98090_AVLG_NUM - 1, 0,
564 		max98090_avg_tlv),
565 
566 	SOC_SINGLE_TLV("ADCL Volume", M98090_REG_LEFT_ADC_LEVEL,
567 		M98090_AVL_SHIFT, M98090_AVL_NUM - 1, 1,
568 		max98090_av_tlv),
569 	SOC_SINGLE_TLV("ADCR Volume", M98090_REG_RIGHT_ADC_LEVEL,
570 		M98090_AVR_SHIFT, M98090_AVR_NUM - 1, 1,
571 		max98090_av_tlv),
572 
573 	SOC_ENUM("ADC Oversampling Rate", max98090_osr128_enum),
574 	SOC_SINGLE("ADC Quantizer Dither", M98090_REG_ADC_CONTROL,
575 		M98090_ADCDITHER_SHIFT, M98090_ADCDITHER_NUM - 1, 0),
576 	SOC_ENUM("ADC High Performance Mode", max98090_adchp_enum),
577 
578 	SOC_SINGLE("DAC Mono Mode", M98090_REG_IO_CONFIGURATION,
579 		M98090_DMONO_SHIFT, M98090_DMONO_NUM - 1, 0),
580 	SOC_SINGLE("SDIN Mode", M98090_REG_IO_CONFIGURATION,
581 		M98090_SDIEN_SHIFT, M98090_SDIEN_NUM - 1, 0),
582 	SOC_SINGLE("SDOUT Mode", M98090_REG_IO_CONFIGURATION,
583 		M98090_SDOEN_SHIFT, M98090_SDOEN_NUM - 1, 0),
584 	SOC_SINGLE("SDOUT Hi-Z Mode", M98090_REG_IO_CONFIGURATION,
585 		M98090_HIZOFF_SHIFT, M98090_HIZOFF_NUM - 1, 1),
586 	SOC_ENUM("Filter Mode", max98090_mode_enum),
587 	SOC_SINGLE("Record Path DC Blocking", M98090_REG_FILTER_CONFIG,
588 		M98090_AHPF_SHIFT, M98090_AHPF_NUM - 1, 0),
589 	SOC_SINGLE("Playback Path DC Blocking", M98090_REG_FILTER_CONFIG,
590 		M98090_DHPF_SHIFT, M98090_DHPF_NUM - 1, 0),
591 	SOC_SINGLE_TLV("Digital BQ Volume", M98090_REG_ADC_BIQUAD_LEVEL,
592 		M98090_AVBQ_SHIFT, M98090_AVBQ_NUM - 1, 1, max98090_dv_tlv),
593 	SOC_SINGLE_EXT_TLV("Digital Sidetone Volume",
594 		M98090_REG_ADC_SIDETONE, M98090_DVST_SHIFT,
595 		M98090_DVST_NUM - 1, 1, max98090_get_enab_tlv,
596 		max98090_put_enab_tlv, max98090_sdg_tlv),
597 	SOC_SINGLE_TLV("Digital Coarse Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
598 		M98090_DVG_SHIFT, M98090_DVG_NUM - 1, 0,
599 		max98090_dvg_tlv),
600 	SOC_SINGLE_TLV("Digital Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
601 		M98090_DV_SHIFT, M98090_DV_NUM - 1, 1,
602 		max98090_dv_tlv),
603 	SND_SOC_BYTES("EQ Coefficients", M98090_REG_EQUALIZER_BASE, 105),
604 	SOC_SINGLE("Digital EQ 3 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
605 		M98090_EQ3BANDEN_SHIFT, M98090_EQ3BANDEN_NUM - 1, 0),
606 	SOC_SINGLE("Digital EQ 5 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
607 		M98090_EQ5BANDEN_SHIFT, M98090_EQ5BANDEN_NUM - 1, 0),
608 	SOC_SINGLE("Digital EQ 7 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
609 		M98090_EQ7BANDEN_SHIFT, M98090_EQ7BANDEN_NUM - 1, 0),
610 	SOC_SINGLE("Digital EQ Clipping Detection", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
611 		M98090_EQCLPN_SHIFT, M98090_EQCLPN_NUM - 1,
612 		1),
613 	SOC_SINGLE_TLV("Digital EQ Volume", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
614 		M98090_DVEQ_SHIFT, M98090_DVEQ_NUM - 1, 1,
615 		max98090_dv_tlv),
616 
617 	SOC_SINGLE("ALC Enable", M98090_REG_DRC_TIMING,
618 		M98090_DRCEN_SHIFT, M98090_DRCEN_NUM - 1, 0),
619 	SOC_ENUM("ALC Attack Time", max98090_drcatk_enum),
620 	SOC_ENUM("ALC Release Time", max98090_drcrls_enum),
621 	SOC_SINGLE_TLV("ALC Make Up Volume", M98090_REG_DRC_GAIN,
622 		M98090_DRCG_SHIFT, M98090_DRCG_NUM - 1, 0,
623 		max98090_alcmakeup_tlv),
624 	SOC_ENUM("ALC Compression Ratio", max98090_alccmp_enum),
625 	SOC_ENUM("ALC Expansion Ratio", max98090_drcexp_enum),
626 	SOC_SINGLE_TLV("ALC Compression Threshold Volume",
627 		M98090_REG_DRC_COMPRESSOR, M98090_DRCTHC_SHIFT,
628 		M98090_DRCTHC_NUM - 1, 1, max98090_alccomp_tlv),
629 	SOC_SINGLE_TLV("ALC Expansion Threshold Volume",
630 		M98090_REG_DRC_EXPANDER, M98090_DRCTHE_SHIFT,
631 		M98090_DRCTHE_NUM - 1, 1, max98090_drcexp_tlv),
632 
633 	SOC_ENUM("DAC HP Playback Performance Mode",
634 		max98090_dac_perfmode_enum),
635 	SOC_ENUM("DAC High Performance Mode", max98090_dachp_enum),
636 
637 	SOC_SINGLE_TLV("Headphone Left Mixer Volume",
638 		M98090_REG_HP_CONTROL, M98090_MIXHPLG_SHIFT,
639 		M98090_MIXHPLG_NUM - 1, 1, max98090_mixout_tlv),
640 	SOC_SINGLE_TLV("Headphone Right Mixer Volume",
641 		M98090_REG_HP_CONTROL, M98090_MIXHPRG_SHIFT,
642 		M98090_MIXHPRG_NUM - 1, 1, max98090_mixout_tlv),
643 
644 	SOC_SINGLE_TLV("Speaker Left Mixer Volume",
645 		M98090_REG_SPK_CONTROL, M98090_MIXSPLG_SHIFT,
646 		M98090_MIXSPLG_NUM - 1, 1, max98090_mixout_tlv),
647 	SOC_SINGLE_TLV("Speaker Right Mixer Volume",
648 		M98090_REG_SPK_CONTROL, M98090_MIXSPRG_SHIFT,
649 		M98090_MIXSPRG_NUM - 1, 1, max98090_mixout_tlv),
650 
651 	SOC_SINGLE_TLV("Receiver Left Mixer Volume",
652 		M98090_REG_RCV_LOUTL_CONTROL, M98090_MIXRCVLG_SHIFT,
653 		M98090_MIXRCVLG_NUM - 1, 1, max98090_mixout_tlv),
654 	SOC_SINGLE_TLV("Receiver Right Mixer Volume",
655 		M98090_REG_LOUTR_CONTROL, M98090_MIXRCVRG_SHIFT,
656 		M98090_MIXRCVRG_NUM - 1, 1, max98090_mixout_tlv),
657 
658 	SOC_DOUBLE_R_TLV("Headphone Volume", M98090_REG_LEFT_HP_VOLUME,
659 		M98090_REG_RIGHT_HP_VOLUME, M98090_HPVOLL_SHIFT,
660 		M98090_HPVOLL_NUM - 1, 0, max98090_hp_tlv),
661 
662 	SOC_DOUBLE_R_RANGE_TLV("Speaker Volume",
663 		M98090_REG_LEFT_SPK_VOLUME, M98090_REG_RIGHT_SPK_VOLUME,
664 		M98090_SPVOLL_SHIFT, 24, M98090_SPVOLL_NUM - 1 + 24,
665 		0, max98090_spk_tlv),
666 
667 	SOC_DOUBLE_R_TLV("Receiver Volume", M98090_REG_RCV_LOUTL_VOLUME,
668 		M98090_REG_LOUTR_VOLUME, M98090_RCVLVOL_SHIFT,
669 		M98090_RCVLVOL_NUM - 1, 0, max98090_rcv_lout_tlv),
670 
671 	SOC_SINGLE("Headphone Left Switch", M98090_REG_LEFT_HP_VOLUME,
672 		M98090_HPLM_SHIFT, 1, 1),
673 	SOC_SINGLE("Headphone Right Switch", M98090_REG_RIGHT_HP_VOLUME,
674 		M98090_HPRM_SHIFT, 1, 1),
675 
676 	SOC_SINGLE("Speaker Left Switch", M98090_REG_LEFT_SPK_VOLUME,
677 		M98090_SPLM_SHIFT, 1, 1),
678 	SOC_SINGLE("Speaker Right Switch", M98090_REG_RIGHT_SPK_VOLUME,
679 		M98090_SPRM_SHIFT, 1, 1),
680 
681 	SOC_SINGLE("Receiver Left Switch", M98090_REG_RCV_LOUTL_VOLUME,
682 		M98090_RCVLM_SHIFT, 1, 1),
683 	SOC_SINGLE("Receiver Right Switch", M98090_REG_LOUTR_VOLUME,
684 		M98090_RCVRM_SHIFT, 1, 1),
685 
686 	SOC_SINGLE("Zero-Crossing Detection", M98090_REG_LEVEL_CONTROL,
687 		M98090_ZDENN_SHIFT, M98090_ZDENN_NUM - 1, 1),
688 	SOC_SINGLE("Enhanced Vol Smoothing", M98090_REG_LEVEL_CONTROL,
689 		M98090_VS2ENN_SHIFT, M98090_VS2ENN_NUM - 1, 1),
690 	SOC_SINGLE("Volume Adjustment Smoothing", M98090_REG_LEVEL_CONTROL,
691 		M98090_VSENN_SHIFT, M98090_VSENN_NUM - 1, 1),
692 
693 	SND_SOC_BYTES("Biquad Coefficients", M98090_REG_RECORD_BIQUAD_BASE, 15),
694 	SOC_SINGLE("Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
695 		M98090_ADCBQEN_SHIFT, M98090_ADCBQEN_NUM - 1, 0),
696 };
697 
698 static const struct snd_kcontrol_new max98091_snd_controls[] = {
699 
700 	SOC_SINGLE("DMIC34 Zeropad", M98090_REG_SAMPLE_RATE,
701 		M98090_DMIC34_ZEROPAD_SHIFT,
702 		M98090_DMIC34_ZEROPAD_NUM - 1, 0),
703 
704 	SOC_ENUM("Filter DMIC34 Mode", max98090_filter_dmic34mode_enum),
705 	SOC_SINGLE("DMIC34 DC Blocking", M98090_REG_FILTER_CONFIG,
706 		M98090_FLT_DMIC34HPF_SHIFT,
707 		M98090_FLT_DMIC34HPF_NUM - 1, 0),
708 
709 	SOC_SINGLE_TLV("DMIC3 Boost Volume", M98090_REG_DMIC3_VOLUME,
710 		M98090_DMIC_AV3G_SHIFT, M98090_DMIC_AV3G_NUM - 1, 0,
711 		max98090_avg_tlv),
712 	SOC_SINGLE_TLV("DMIC4 Boost Volume", M98090_REG_DMIC4_VOLUME,
713 		M98090_DMIC_AV4G_SHIFT, M98090_DMIC_AV4G_NUM - 1, 0,
714 		max98090_avg_tlv),
715 
716 	SOC_SINGLE_TLV("DMIC3 Volume", M98090_REG_DMIC3_VOLUME,
717 		M98090_DMIC_AV3_SHIFT, M98090_DMIC_AV3_NUM - 1, 1,
718 		max98090_av_tlv),
719 	SOC_SINGLE_TLV("DMIC4 Volume", M98090_REG_DMIC4_VOLUME,
720 		M98090_DMIC_AV4_SHIFT, M98090_DMIC_AV4_NUM - 1, 1,
721 		max98090_av_tlv),
722 
723 	SND_SOC_BYTES("DMIC34 Biquad Coefficients",
724 		M98090_REG_DMIC34_BIQUAD_BASE, 15),
725 	SOC_SINGLE("DMIC34 Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
726 		M98090_DMIC34BQEN_SHIFT, M98090_DMIC34BQEN_NUM - 1, 0),
727 
728 	SOC_SINGLE_TLV("DMIC34 BQ PreAttenuation Volume",
729 		M98090_REG_DMIC34_BQ_PREATTEN, M98090_AV34BQ_SHIFT,
730 		M98090_AV34BQ_NUM - 1, 1, max98090_dv_tlv),
731 };
732 
733 static int max98090_micinput_event(struct snd_soc_dapm_widget *w,
734 				 struct snd_kcontrol *kcontrol, int event)
735 {
736 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
737 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
738 
739 	unsigned int val = snd_soc_read(codec, w->reg);
740 
741 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
742 		val = (val & M98090_MIC_PA1EN_MASK) >> M98090_MIC_PA1EN_SHIFT;
743 	else
744 		val = (val & M98090_MIC_PA2EN_MASK) >> M98090_MIC_PA2EN_SHIFT;
745 
746 	if (val >= 1) {
747 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL) {
748 			max98090->pa1en = val - 1; /* Update for volatile */
749 		} else {
750 			max98090->pa2en = val - 1; /* Update for volatile */
751 		}
752 	}
753 
754 	switch (event) {
755 	case SND_SOC_DAPM_POST_PMU:
756 		/* If turning on, set to most recently selected volume */
757 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
758 			val = max98090->pa1en + 1;
759 		else
760 			val = max98090->pa2en + 1;
761 		break;
762 	case SND_SOC_DAPM_POST_PMD:
763 		/* If turning off, turn off */
764 		val = 0;
765 		break;
766 	default:
767 		return -EINVAL;
768 	}
769 
770 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
771 		snd_soc_update_bits(codec, w->reg, M98090_MIC_PA1EN_MASK,
772 			val << M98090_MIC_PA1EN_SHIFT);
773 	else
774 		snd_soc_update_bits(codec, w->reg, M98090_MIC_PA2EN_MASK,
775 			val << M98090_MIC_PA2EN_SHIFT);
776 
777 	return 0;
778 }
779 
780 static int max98090_shdn_event(struct snd_soc_dapm_widget *w,
781 				 struct snd_kcontrol *kcontrol, int event)
782 {
783 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
784 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
785 
786 	if (event & SND_SOC_DAPM_POST_PMU)
787 		max98090->shdn_pending = true;
788 
789 	return 0;
790 
791 }
792 
793 static const char *mic1_mux_text[] = { "IN12", "IN56" };
794 
795 static SOC_ENUM_SINGLE_DECL(mic1_mux_enum,
796 			    M98090_REG_INPUT_MODE,
797 			    M98090_EXTMIC1_SHIFT,
798 			    mic1_mux_text);
799 
800 static const struct snd_kcontrol_new max98090_mic1_mux =
801 	SOC_DAPM_ENUM("MIC1 Mux", mic1_mux_enum);
802 
803 static const char *mic2_mux_text[] = { "IN34", "IN56" };
804 
805 static SOC_ENUM_SINGLE_DECL(mic2_mux_enum,
806 			    M98090_REG_INPUT_MODE,
807 			    M98090_EXTMIC2_SHIFT,
808 			    mic2_mux_text);
809 
810 static const struct snd_kcontrol_new max98090_mic2_mux =
811 	SOC_DAPM_ENUM("MIC2 Mux", mic2_mux_enum);
812 
813 static const char *dmic_mux_text[] = { "ADC", "DMIC" };
814 
815 static SOC_ENUM_SINGLE_VIRT_DECL(dmic_mux_enum, dmic_mux_text);
816 
817 static const struct snd_kcontrol_new max98090_dmic_mux =
818 	SOC_DAPM_ENUM("DMIC Mux", dmic_mux_enum);
819 
820 static const char *max98090_micpre_text[] = { "Off", "On" };
821 
822 static SOC_ENUM_SINGLE_DECL(max98090_pa1en_enum,
823 			    M98090_REG_MIC1_INPUT_LEVEL,
824 			    M98090_MIC_PA1EN_SHIFT,
825 			    max98090_micpre_text);
826 
827 static SOC_ENUM_SINGLE_DECL(max98090_pa2en_enum,
828 			    M98090_REG_MIC2_INPUT_LEVEL,
829 			    M98090_MIC_PA2EN_SHIFT,
830 			    max98090_micpre_text);
831 
832 /* LINEA mixer switch */
833 static const struct snd_kcontrol_new max98090_linea_mixer_controls[] = {
834 	SOC_DAPM_SINGLE("IN1 Switch", M98090_REG_LINE_INPUT_CONFIG,
835 		M98090_IN1SEEN_SHIFT, 1, 0),
836 	SOC_DAPM_SINGLE("IN3 Switch", M98090_REG_LINE_INPUT_CONFIG,
837 		M98090_IN3SEEN_SHIFT, 1, 0),
838 	SOC_DAPM_SINGLE("IN5 Switch", M98090_REG_LINE_INPUT_CONFIG,
839 		M98090_IN5SEEN_SHIFT, 1, 0),
840 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LINE_INPUT_CONFIG,
841 		M98090_IN34DIFF_SHIFT, 1, 0),
842 };
843 
844 /* LINEB mixer switch */
845 static const struct snd_kcontrol_new max98090_lineb_mixer_controls[] = {
846 	SOC_DAPM_SINGLE("IN2 Switch", M98090_REG_LINE_INPUT_CONFIG,
847 		M98090_IN2SEEN_SHIFT, 1, 0),
848 	SOC_DAPM_SINGLE("IN4 Switch", M98090_REG_LINE_INPUT_CONFIG,
849 		M98090_IN4SEEN_SHIFT, 1, 0),
850 	SOC_DAPM_SINGLE("IN6 Switch", M98090_REG_LINE_INPUT_CONFIG,
851 		M98090_IN6SEEN_SHIFT, 1, 0),
852 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LINE_INPUT_CONFIG,
853 		M98090_IN56DIFF_SHIFT, 1, 0),
854 };
855 
856 /* Left ADC mixer switch */
857 static const struct snd_kcontrol_new max98090_left_adc_mixer_controls[] = {
858 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_LEFT_ADC_MIXER,
859 		M98090_MIXADL_IN12DIFF_SHIFT, 1, 0),
860 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LEFT_ADC_MIXER,
861 		M98090_MIXADL_IN34DIFF_SHIFT, 1, 0),
862 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LEFT_ADC_MIXER,
863 		M98090_MIXADL_IN65DIFF_SHIFT, 1, 0),
864 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_ADC_MIXER,
865 		M98090_MIXADL_LINEA_SHIFT, 1, 0),
866 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_ADC_MIXER,
867 		M98090_MIXADL_LINEB_SHIFT, 1, 0),
868 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_ADC_MIXER,
869 		M98090_MIXADL_MIC1_SHIFT, 1, 0),
870 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_ADC_MIXER,
871 		M98090_MIXADL_MIC2_SHIFT, 1, 0),
872 };
873 
874 /* Right ADC mixer switch */
875 static const struct snd_kcontrol_new max98090_right_adc_mixer_controls[] = {
876 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_RIGHT_ADC_MIXER,
877 		M98090_MIXADR_IN12DIFF_SHIFT, 1, 0),
878 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_RIGHT_ADC_MIXER,
879 		M98090_MIXADR_IN34DIFF_SHIFT, 1, 0),
880 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_RIGHT_ADC_MIXER,
881 		M98090_MIXADR_IN65DIFF_SHIFT, 1, 0),
882 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_ADC_MIXER,
883 		M98090_MIXADR_LINEA_SHIFT, 1, 0),
884 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_ADC_MIXER,
885 		M98090_MIXADR_LINEB_SHIFT, 1, 0),
886 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_ADC_MIXER,
887 		M98090_MIXADR_MIC1_SHIFT, 1, 0),
888 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_ADC_MIXER,
889 		M98090_MIXADR_MIC2_SHIFT, 1, 0),
890 };
891 
892 static const char *lten_mux_text[] = { "Normal", "Loopthrough" };
893 
894 static SOC_ENUM_SINGLE_DECL(ltenl_mux_enum,
895 			    M98090_REG_IO_CONFIGURATION,
896 			    M98090_LTEN_SHIFT,
897 			    lten_mux_text);
898 
899 static SOC_ENUM_SINGLE_DECL(ltenr_mux_enum,
900 			    M98090_REG_IO_CONFIGURATION,
901 			    M98090_LTEN_SHIFT,
902 			    lten_mux_text);
903 
904 static const struct snd_kcontrol_new max98090_ltenl_mux =
905 	SOC_DAPM_ENUM("LTENL Mux", ltenl_mux_enum);
906 
907 static const struct snd_kcontrol_new max98090_ltenr_mux =
908 	SOC_DAPM_ENUM("LTENR Mux", ltenr_mux_enum);
909 
910 static const char *lben_mux_text[] = { "Normal", "Loopback" };
911 
912 static SOC_ENUM_SINGLE_DECL(lbenl_mux_enum,
913 			    M98090_REG_IO_CONFIGURATION,
914 			    M98090_LBEN_SHIFT,
915 			    lben_mux_text);
916 
917 static SOC_ENUM_SINGLE_DECL(lbenr_mux_enum,
918 			    M98090_REG_IO_CONFIGURATION,
919 			    M98090_LBEN_SHIFT,
920 			    lben_mux_text);
921 
922 static const struct snd_kcontrol_new max98090_lbenl_mux =
923 	SOC_DAPM_ENUM("LBENL Mux", lbenl_mux_enum);
924 
925 static const struct snd_kcontrol_new max98090_lbenr_mux =
926 	SOC_DAPM_ENUM("LBENR Mux", lbenr_mux_enum);
927 
928 static const char *stenl_mux_text[] = { "Normal", "Sidetone Left" };
929 
930 static const char *stenr_mux_text[] = { "Normal", "Sidetone Right" };
931 
932 static SOC_ENUM_SINGLE_DECL(stenl_mux_enum,
933 			    M98090_REG_ADC_SIDETONE,
934 			    M98090_DSTSL_SHIFT,
935 			    stenl_mux_text);
936 
937 static SOC_ENUM_SINGLE_DECL(stenr_mux_enum,
938 			    M98090_REG_ADC_SIDETONE,
939 			    M98090_DSTSR_SHIFT,
940 			    stenr_mux_text);
941 
942 static const struct snd_kcontrol_new max98090_stenl_mux =
943 	SOC_DAPM_ENUM("STENL Mux", stenl_mux_enum);
944 
945 static const struct snd_kcontrol_new max98090_stenr_mux =
946 	SOC_DAPM_ENUM("STENR Mux", stenr_mux_enum);
947 
948 /* Left speaker mixer switch */
949 static const struct
950 	snd_kcontrol_new max98090_left_speaker_mixer_controls[] = {
951 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_SPK_MIXER,
952 		M98090_MIXSPL_DACL_SHIFT, 1, 0),
953 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_SPK_MIXER,
954 		M98090_MIXSPL_DACR_SHIFT, 1, 0),
955 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_SPK_MIXER,
956 		M98090_MIXSPL_LINEA_SHIFT, 1, 0),
957 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_SPK_MIXER,
958 		M98090_MIXSPL_LINEB_SHIFT, 1, 0),
959 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_SPK_MIXER,
960 		M98090_MIXSPL_MIC1_SHIFT, 1, 0),
961 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_SPK_MIXER,
962 		M98090_MIXSPL_MIC2_SHIFT, 1, 0),
963 };
964 
965 /* Right speaker mixer switch */
966 static const struct
967 	snd_kcontrol_new max98090_right_speaker_mixer_controls[] = {
968 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
969 		M98090_MIXSPR_DACL_SHIFT, 1, 0),
970 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
971 		M98090_MIXSPR_DACR_SHIFT, 1, 0),
972 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_SPK_MIXER,
973 		M98090_MIXSPR_LINEA_SHIFT, 1, 0),
974 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_SPK_MIXER,
975 		M98090_MIXSPR_LINEB_SHIFT, 1, 0),
976 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_SPK_MIXER,
977 		M98090_MIXSPR_MIC1_SHIFT, 1, 0),
978 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_SPK_MIXER,
979 		M98090_MIXSPR_MIC2_SHIFT, 1, 0),
980 };
981 
982 /* Left headphone mixer switch */
983 static const struct snd_kcontrol_new max98090_left_hp_mixer_controls[] = {
984 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_HP_MIXER,
985 		M98090_MIXHPL_DACL_SHIFT, 1, 0),
986 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_HP_MIXER,
987 		M98090_MIXHPL_DACR_SHIFT, 1, 0),
988 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_HP_MIXER,
989 		M98090_MIXHPL_LINEA_SHIFT, 1, 0),
990 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_HP_MIXER,
991 		M98090_MIXHPL_LINEB_SHIFT, 1, 0),
992 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_HP_MIXER,
993 		M98090_MIXHPL_MIC1_SHIFT, 1, 0),
994 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_HP_MIXER,
995 		M98090_MIXHPL_MIC2_SHIFT, 1, 0),
996 };
997 
998 /* Right headphone mixer switch */
999 static const struct snd_kcontrol_new max98090_right_hp_mixer_controls[] = {
1000 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_HP_MIXER,
1001 		M98090_MIXHPR_DACL_SHIFT, 1, 0),
1002 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_HP_MIXER,
1003 		M98090_MIXHPR_DACR_SHIFT, 1, 0),
1004 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_HP_MIXER,
1005 		M98090_MIXHPR_LINEA_SHIFT, 1, 0),
1006 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_HP_MIXER,
1007 		M98090_MIXHPR_LINEB_SHIFT, 1, 0),
1008 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_HP_MIXER,
1009 		M98090_MIXHPR_MIC1_SHIFT, 1, 0),
1010 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_HP_MIXER,
1011 		M98090_MIXHPR_MIC2_SHIFT, 1, 0),
1012 };
1013 
1014 /* Left receiver mixer switch */
1015 static const struct snd_kcontrol_new max98090_left_rcv_mixer_controls[] = {
1016 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1017 		M98090_MIXRCVL_DACL_SHIFT, 1, 0),
1018 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1019 		M98090_MIXRCVL_DACR_SHIFT, 1, 0),
1020 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RCV_LOUTL_MIXER,
1021 		M98090_MIXRCVL_LINEA_SHIFT, 1, 0),
1022 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RCV_LOUTL_MIXER,
1023 		M98090_MIXRCVL_LINEB_SHIFT, 1, 0),
1024 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RCV_LOUTL_MIXER,
1025 		M98090_MIXRCVL_MIC1_SHIFT, 1, 0),
1026 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RCV_LOUTL_MIXER,
1027 		M98090_MIXRCVL_MIC2_SHIFT, 1, 0),
1028 };
1029 
1030 /* Right receiver mixer switch */
1031 static const struct snd_kcontrol_new max98090_right_rcv_mixer_controls[] = {
1032 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LOUTR_MIXER,
1033 		M98090_MIXRCVR_DACL_SHIFT, 1, 0),
1034 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LOUTR_MIXER,
1035 		M98090_MIXRCVR_DACR_SHIFT, 1, 0),
1036 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LOUTR_MIXER,
1037 		M98090_MIXRCVR_LINEA_SHIFT, 1, 0),
1038 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LOUTR_MIXER,
1039 		M98090_MIXRCVR_LINEB_SHIFT, 1, 0),
1040 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LOUTR_MIXER,
1041 		M98090_MIXRCVR_MIC1_SHIFT, 1, 0),
1042 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LOUTR_MIXER,
1043 		M98090_MIXRCVR_MIC2_SHIFT, 1, 0),
1044 };
1045 
1046 static const char *linmod_mux_text[] = { "Left Only", "Left and Right" };
1047 
1048 static SOC_ENUM_SINGLE_DECL(linmod_mux_enum,
1049 			    M98090_REG_LOUTR_MIXER,
1050 			    M98090_LINMOD_SHIFT,
1051 			    linmod_mux_text);
1052 
1053 static const struct snd_kcontrol_new max98090_linmod_mux =
1054 	SOC_DAPM_ENUM("LINMOD Mux", linmod_mux_enum);
1055 
1056 static const char *mixhpsel_mux_text[] = { "DAC Only", "HP Mixer" };
1057 
1058 /*
1059  * This is a mux as it selects the HP output, but to DAPM it is a Mixer enable
1060  */
1061 static SOC_ENUM_SINGLE_DECL(mixhplsel_mux_enum,
1062 			    M98090_REG_HP_CONTROL,
1063 			    M98090_MIXHPLSEL_SHIFT,
1064 			    mixhpsel_mux_text);
1065 
1066 static const struct snd_kcontrol_new max98090_mixhplsel_mux =
1067 	SOC_DAPM_ENUM("MIXHPLSEL Mux", mixhplsel_mux_enum);
1068 
1069 static SOC_ENUM_SINGLE_DECL(mixhprsel_mux_enum,
1070 			    M98090_REG_HP_CONTROL,
1071 			    M98090_MIXHPRSEL_SHIFT,
1072 			    mixhpsel_mux_text);
1073 
1074 static const struct snd_kcontrol_new max98090_mixhprsel_mux =
1075 	SOC_DAPM_ENUM("MIXHPRSEL Mux", mixhprsel_mux_enum);
1076 
1077 static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
1078 	SND_SOC_DAPM_INPUT("MIC1"),
1079 	SND_SOC_DAPM_INPUT("MIC2"),
1080 	SND_SOC_DAPM_INPUT("DMICL"),
1081 	SND_SOC_DAPM_INPUT("DMICR"),
1082 	SND_SOC_DAPM_INPUT("IN1"),
1083 	SND_SOC_DAPM_INPUT("IN2"),
1084 	SND_SOC_DAPM_INPUT("IN3"),
1085 	SND_SOC_DAPM_INPUT("IN4"),
1086 	SND_SOC_DAPM_INPUT("IN5"),
1087 	SND_SOC_DAPM_INPUT("IN6"),
1088 	SND_SOC_DAPM_INPUT("IN12"),
1089 	SND_SOC_DAPM_INPUT("IN34"),
1090 	SND_SOC_DAPM_INPUT("IN56"),
1091 
1092 	SND_SOC_DAPM_SUPPLY("MICBIAS", M98090_REG_INPUT_ENABLE,
1093 		M98090_MBEN_SHIFT, 0, NULL, 0),
1094 	SND_SOC_DAPM_SUPPLY("SHDN", M98090_REG_DEVICE_SHUTDOWN,
1095 		M98090_SHDNN_SHIFT, 0, NULL, 0),
1096 	SND_SOC_DAPM_SUPPLY("SDIEN", M98090_REG_IO_CONFIGURATION,
1097 		M98090_SDIEN_SHIFT, 0, NULL, 0),
1098 	SND_SOC_DAPM_SUPPLY("SDOEN", M98090_REG_IO_CONFIGURATION,
1099 		M98090_SDOEN_SHIFT, 0, NULL, 0),
1100 	SND_SOC_DAPM_SUPPLY("DMICL_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1101 		 M98090_DIGMICL_SHIFT, 0, max98090_shdn_event,
1102 			SND_SOC_DAPM_POST_PMU),
1103 	SND_SOC_DAPM_SUPPLY("DMICR_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1104 		 M98090_DIGMICR_SHIFT, 0, max98090_shdn_event,
1105 			 SND_SOC_DAPM_POST_PMU),
1106 	SND_SOC_DAPM_SUPPLY("AHPF", M98090_REG_FILTER_CONFIG,
1107 		M98090_AHPF_SHIFT, 0, NULL, 0),
1108 
1109 /*
1110  * Note: Sysclk and misc power supplies are taken care of by SHDN
1111  */
1112 
1113 	SND_SOC_DAPM_MUX("MIC1 Mux", SND_SOC_NOPM,
1114 		0, 0, &max98090_mic1_mux),
1115 
1116 	SND_SOC_DAPM_MUX("MIC2 Mux", SND_SOC_NOPM,
1117 		0, 0, &max98090_mic2_mux),
1118 
1119 	SND_SOC_DAPM_MUX("DMIC Mux", SND_SOC_NOPM, 0, 0, &max98090_dmic_mux),
1120 
1121 	SND_SOC_DAPM_PGA_E("MIC1 Input", M98090_REG_MIC1_INPUT_LEVEL,
1122 		M98090_MIC_PA1EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1123 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1124 
1125 	SND_SOC_DAPM_PGA_E("MIC2 Input", M98090_REG_MIC2_INPUT_LEVEL,
1126 		M98090_MIC_PA2EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1127 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1128 
1129 	SND_SOC_DAPM_MIXER("LINEA Mixer", SND_SOC_NOPM, 0, 0,
1130 		&max98090_linea_mixer_controls[0],
1131 		ARRAY_SIZE(max98090_linea_mixer_controls)),
1132 
1133 	SND_SOC_DAPM_MIXER("LINEB Mixer", SND_SOC_NOPM, 0, 0,
1134 		&max98090_lineb_mixer_controls[0],
1135 		ARRAY_SIZE(max98090_lineb_mixer_controls)),
1136 
1137 	SND_SOC_DAPM_PGA("LINEA Input", M98090_REG_INPUT_ENABLE,
1138 		M98090_LINEAEN_SHIFT, 0, NULL, 0),
1139 	SND_SOC_DAPM_PGA("LINEB Input", M98090_REG_INPUT_ENABLE,
1140 		M98090_LINEBEN_SHIFT, 0, NULL, 0),
1141 
1142 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1143 		&max98090_left_adc_mixer_controls[0],
1144 		ARRAY_SIZE(max98090_left_adc_mixer_controls)),
1145 
1146 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1147 		&max98090_right_adc_mixer_controls[0],
1148 		ARRAY_SIZE(max98090_right_adc_mixer_controls)),
1149 
1150 	SND_SOC_DAPM_ADC_E("ADCL", NULL, M98090_REG_INPUT_ENABLE,
1151 		M98090_ADLEN_SHIFT, 0, max98090_shdn_event,
1152 		SND_SOC_DAPM_POST_PMU),
1153 	SND_SOC_DAPM_ADC_E("ADCR", NULL, M98090_REG_INPUT_ENABLE,
1154 		M98090_ADREN_SHIFT, 0, max98090_shdn_event,
1155 		SND_SOC_DAPM_POST_PMU),
1156 
1157 	SND_SOC_DAPM_AIF_OUT("AIFOUTL", "HiFi Capture", 0,
1158 		SND_SOC_NOPM, 0, 0),
1159 	SND_SOC_DAPM_AIF_OUT("AIFOUTR", "HiFi Capture", 1,
1160 		SND_SOC_NOPM, 0, 0),
1161 
1162 	SND_SOC_DAPM_MUX("LBENL Mux", SND_SOC_NOPM,
1163 		0, 0, &max98090_lbenl_mux),
1164 
1165 	SND_SOC_DAPM_MUX("LBENR Mux", SND_SOC_NOPM,
1166 		0, 0, &max98090_lbenr_mux),
1167 
1168 	SND_SOC_DAPM_MUX("LTENL Mux", SND_SOC_NOPM,
1169 		0, 0, &max98090_ltenl_mux),
1170 
1171 	SND_SOC_DAPM_MUX("LTENR Mux", SND_SOC_NOPM,
1172 		0, 0, &max98090_ltenr_mux),
1173 
1174 	SND_SOC_DAPM_MUX("STENL Mux", SND_SOC_NOPM,
1175 		0, 0, &max98090_stenl_mux),
1176 
1177 	SND_SOC_DAPM_MUX("STENR Mux", SND_SOC_NOPM,
1178 		0, 0, &max98090_stenr_mux),
1179 
1180 	SND_SOC_DAPM_AIF_IN("AIFINL", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
1181 	SND_SOC_DAPM_AIF_IN("AIFINR", "HiFi Playback", 1, SND_SOC_NOPM, 0, 0),
1182 
1183 	SND_SOC_DAPM_DAC("DACL", NULL, M98090_REG_OUTPUT_ENABLE,
1184 		M98090_DALEN_SHIFT, 0),
1185 	SND_SOC_DAPM_DAC("DACR", NULL, M98090_REG_OUTPUT_ENABLE,
1186 		M98090_DAREN_SHIFT, 0),
1187 
1188 	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
1189 		&max98090_left_hp_mixer_controls[0],
1190 		ARRAY_SIZE(max98090_left_hp_mixer_controls)),
1191 
1192 	SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
1193 		&max98090_right_hp_mixer_controls[0],
1194 		ARRAY_SIZE(max98090_right_hp_mixer_controls)),
1195 
1196 	SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
1197 		&max98090_left_speaker_mixer_controls[0],
1198 		ARRAY_SIZE(max98090_left_speaker_mixer_controls)),
1199 
1200 	SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
1201 		&max98090_right_speaker_mixer_controls[0],
1202 		ARRAY_SIZE(max98090_right_speaker_mixer_controls)),
1203 
1204 	SND_SOC_DAPM_MIXER("Left Receiver Mixer", SND_SOC_NOPM, 0, 0,
1205 		&max98090_left_rcv_mixer_controls[0],
1206 		ARRAY_SIZE(max98090_left_rcv_mixer_controls)),
1207 
1208 	SND_SOC_DAPM_MIXER("Right Receiver Mixer", SND_SOC_NOPM, 0, 0,
1209 		&max98090_right_rcv_mixer_controls[0],
1210 		ARRAY_SIZE(max98090_right_rcv_mixer_controls)),
1211 
1212 	SND_SOC_DAPM_MUX("LINMOD Mux", M98090_REG_LOUTR_MIXER,
1213 		M98090_LINMOD_SHIFT, 0, &max98090_linmod_mux),
1214 
1215 	SND_SOC_DAPM_MUX("MIXHPLSEL Mux", M98090_REG_HP_CONTROL,
1216 		M98090_MIXHPLSEL_SHIFT, 0, &max98090_mixhplsel_mux),
1217 
1218 	SND_SOC_DAPM_MUX("MIXHPRSEL Mux", M98090_REG_HP_CONTROL,
1219 		M98090_MIXHPRSEL_SHIFT, 0, &max98090_mixhprsel_mux),
1220 
1221 	SND_SOC_DAPM_PGA("HP Left Out", M98090_REG_OUTPUT_ENABLE,
1222 		M98090_HPLEN_SHIFT, 0, NULL, 0),
1223 	SND_SOC_DAPM_PGA("HP Right Out", M98090_REG_OUTPUT_ENABLE,
1224 		M98090_HPREN_SHIFT, 0, NULL, 0),
1225 
1226 	SND_SOC_DAPM_PGA("SPK Left Out", M98090_REG_OUTPUT_ENABLE,
1227 		M98090_SPLEN_SHIFT, 0, NULL, 0),
1228 	SND_SOC_DAPM_PGA("SPK Right Out", M98090_REG_OUTPUT_ENABLE,
1229 		M98090_SPREN_SHIFT, 0, NULL, 0),
1230 
1231 	SND_SOC_DAPM_PGA("RCV Left Out", M98090_REG_OUTPUT_ENABLE,
1232 		M98090_RCVLEN_SHIFT, 0, NULL, 0),
1233 	SND_SOC_DAPM_PGA("RCV Right Out", M98090_REG_OUTPUT_ENABLE,
1234 		M98090_RCVREN_SHIFT, 0, NULL, 0),
1235 
1236 	SND_SOC_DAPM_OUTPUT("HPL"),
1237 	SND_SOC_DAPM_OUTPUT("HPR"),
1238 	SND_SOC_DAPM_OUTPUT("SPKL"),
1239 	SND_SOC_DAPM_OUTPUT("SPKR"),
1240 	SND_SOC_DAPM_OUTPUT("RCVL"),
1241 	SND_SOC_DAPM_OUTPUT("RCVR"),
1242 };
1243 
1244 static const struct snd_soc_dapm_widget max98091_dapm_widgets[] = {
1245 	SND_SOC_DAPM_INPUT("DMIC3"),
1246 	SND_SOC_DAPM_INPUT("DMIC4"),
1247 
1248 	SND_SOC_DAPM_SUPPLY("DMIC3_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1249 		 M98090_DIGMIC3_SHIFT, 0, NULL, 0),
1250 	SND_SOC_DAPM_SUPPLY("DMIC4_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1251 		 M98090_DIGMIC4_SHIFT, 0, NULL, 0),
1252 };
1253 
1254 static const struct snd_soc_dapm_route max98090_dapm_routes[] = {
1255 	{"MIC1 Input", NULL, "MIC1"},
1256 	{"MIC2 Input", NULL, "MIC2"},
1257 
1258 	{"DMICL", NULL, "DMICL_ENA"},
1259 	{"DMICL", NULL, "DMICR_ENA"},
1260 	{"DMICR", NULL, "DMICL_ENA"},
1261 	{"DMICR", NULL, "DMICR_ENA"},
1262 	{"DMICL", NULL, "AHPF"},
1263 	{"DMICR", NULL, "AHPF"},
1264 
1265 	/* MIC1 input mux */
1266 	{"MIC1 Mux", "IN12", "IN12"},
1267 	{"MIC1 Mux", "IN56", "IN56"},
1268 
1269 	/* MIC2 input mux */
1270 	{"MIC2 Mux", "IN34", "IN34"},
1271 	{"MIC2 Mux", "IN56", "IN56"},
1272 
1273 	{"MIC1 Input", NULL, "MIC1 Mux"},
1274 	{"MIC2 Input", NULL, "MIC2 Mux"},
1275 
1276 	/* Left ADC input mixer */
1277 	{"Left ADC Mixer", "IN12 Switch", "IN12"},
1278 	{"Left ADC Mixer", "IN34 Switch", "IN34"},
1279 	{"Left ADC Mixer", "IN56 Switch", "IN56"},
1280 	{"Left ADC Mixer", "LINEA Switch", "LINEA Input"},
1281 	{"Left ADC Mixer", "LINEB Switch", "LINEB Input"},
1282 	{"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1283 	{"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1284 
1285 	/* Right ADC input mixer */
1286 	{"Right ADC Mixer", "IN12 Switch", "IN12"},
1287 	{"Right ADC Mixer", "IN34 Switch", "IN34"},
1288 	{"Right ADC Mixer", "IN56 Switch", "IN56"},
1289 	{"Right ADC Mixer", "LINEA Switch", "LINEA Input"},
1290 	{"Right ADC Mixer", "LINEB Switch", "LINEB Input"},
1291 	{"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1292 	{"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1293 
1294 	/* Line A input mixer */
1295 	{"LINEA Mixer", "IN1 Switch", "IN1"},
1296 	{"LINEA Mixer", "IN3 Switch", "IN3"},
1297 	{"LINEA Mixer", "IN5 Switch", "IN5"},
1298 	{"LINEA Mixer", "IN34 Switch", "IN34"},
1299 
1300 	/* Line B input mixer */
1301 	{"LINEB Mixer", "IN2 Switch", "IN2"},
1302 	{"LINEB Mixer", "IN4 Switch", "IN4"},
1303 	{"LINEB Mixer", "IN6 Switch", "IN6"},
1304 	{"LINEB Mixer", "IN56 Switch", "IN56"},
1305 
1306 	{"LINEA Input", NULL, "LINEA Mixer"},
1307 	{"LINEB Input", NULL, "LINEB Mixer"},
1308 
1309 	/* Inputs */
1310 	{"ADCL", NULL, "Left ADC Mixer"},
1311 	{"ADCR", NULL, "Right ADC Mixer"},
1312 	{"ADCL", NULL, "SHDN"},
1313 	{"ADCR", NULL, "SHDN"},
1314 
1315 	{"DMIC Mux", "ADC", "ADCL"},
1316 	{"DMIC Mux", "ADC", "ADCR"},
1317 	{"DMIC Mux", "DMIC", "DMICL"},
1318 	{"DMIC Mux", "DMIC", "DMICR"},
1319 
1320 	{"LBENL Mux", "Normal", "DMIC Mux"},
1321 	{"LBENL Mux", "Loopback", "LTENL Mux"},
1322 	{"LBENR Mux", "Normal", "DMIC Mux"},
1323 	{"LBENR Mux", "Loopback", "LTENR Mux"},
1324 
1325 	{"AIFOUTL", NULL, "LBENL Mux"},
1326 	{"AIFOUTR", NULL, "LBENR Mux"},
1327 	{"AIFOUTL", NULL, "SHDN"},
1328 	{"AIFOUTR", NULL, "SHDN"},
1329 	{"AIFOUTL", NULL, "SDOEN"},
1330 	{"AIFOUTR", NULL, "SDOEN"},
1331 
1332 	{"LTENL Mux", "Normal", "AIFINL"},
1333 	{"LTENL Mux", "Loopthrough", "LBENL Mux"},
1334 	{"LTENR Mux", "Normal", "AIFINR"},
1335 	{"LTENR Mux", "Loopthrough", "LBENR Mux"},
1336 
1337 	{"DACL", NULL, "LTENL Mux"},
1338 	{"DACR", NULL, "LTENR Mux"},
1339 
1340 	{"STENL Mux", "Sidetone Left", "ADCL"},
1341 	{"STENL Mux", "Sidetone Left", "DMICL"},
1342 	{"STENR Mux", "Sidetone Right", "ADCR"},
1343 	{"STENR Mux", "Sidetone Right", "DMICR"},
1344 	{"DACL", NULL, "STENL Mux"},
1345 	{"DACR", NULL, "STENR Mux"},
1346 
1347 	{"AIFINL", NULL, "SHDN"},
1348 	{"AIFINR", NULL, "SHDN"},
1349 	{"AIFINL", NULL, "SDIEN"},
1350 	{"AIFINR", NULL, "SDIEN"},
1351 	{"DACL", NULL, "SHDN"},
1352 	{"DACR", NULL, "SHDN"},
1353 
1354 	/* Left headphone output mixer */
1355 	{"Left Headphone Mixer", "Left DAC Switch", "DACL"},
1356 	{"Left Headphone Mixer", "Right DAC Switch", "DACR"},
1357 	{"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1358 	{"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1359 	{"Left Headphone Mixer", "LINEA Switch", "LINEA Input"},
1360 	{"Left Headphone Mixer", "LINEB Switch", "LINEB Input"},
1361 
1362 	/* Right headphone output mixer */
1363 	{"Right Headphone Mixer", "Left DAC Switch", "DACL"},
1364 	{"Right Headphone Mixer", "Right DAC Switch", "DACR"},
1365 	{"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1366 	{"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1367 	{"Right Headphone Mixer", "LINEA Switch", "LINEA Input"},
1368 	{"Right Headphone Mixer", "LINEB Switch", "LINEB Input"},
1369 
1370 	/* Left speaker output mixer */
1371 	{"Left Speaker Mixer", "Left DAC Switch", "DACL"},
1372 	{"Left Speaker Mixer", "Right DAC Switch", "DACR"},
1373 	{"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1374 	{"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1375 	{"Left Speaker Mixer", "LINEA Switch", "LINEA Input"},
1376 	{"Left Speaker Mixer", "LINEB Switch", "LINEB Input"},
1377 
1378 	/* Right speaker output mixer */
1379 	{"Right Speaker Mixer", "Left DAC Switch", "DACL"},
1380 	{"Right Speaker Mixer", "Right DAC Switch", "DACR"},
1381 	{"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1382 	{"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1383 	{"Right Speaker Mixer", "LINEA Switch", "LINEA Input"},
1384 	{"Right Speaker Mixer", "LINEB Switch", "LINEB Input"},
1385 
1386 	/* Left Receiver output mixer */
1387 	{"Left Receiver Mixer", "Left DAC Switch", "DACL"},
1388 	{"Left Receiver Mixer", "Right DAC Switch", "DACR"},
1389 	{"Left Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1390 	{"Left Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1391 	{"Left Receiver Mixer", "LINEA Switch", "LINEA Input"},
1392 	{"Left Receiver Mixer", "LINEB Switch", "LINEB Input"},
1393 
1394 	/* Right Receiver output mixer */
1395 	{"Right Receiver Mixer", "Left DAC Switch", "DACL"},
1396 	{"Right Receiver Mixer", "Right DAC Switch", "DACR"},
1397 	{"Right Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1398 	{"Right Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1399 	{"Right Receiver Mixer", "LINEA Switch", "LINEA Input"},
1400 	{"Right Receiver Mixer", "LINEB Switch", "LINEB Input"},
1401 
1402 	{"MIXHPLSEL Mux", "HP Mixer", "Left Headphone Mixer"},
1403 
1404 	/*
1405 	 * Disable this for lowest power if bypassing
1406 	 * the DAC with an analog signal
1407 	 */
1408 	{"HP Left Out", NULL, "DACL"},
1409 	{"HP Left Out", NULL, "MIXHPLSEL Mux"},
1410 
1411 	{"MIXHPRSEL Mux", "HP Mixer", "Right Headphone Mixer"},
1412 
1413 	/*
1414 	 * Disable this for lowest power if bypassing
1415 	 * the DAC with an analog signal
1416 	 */
1417 	{"HP Right Out", NULL, "DACR"},
1418 	{"HP Right Out", NULL, "MIXHPRSEL Mux"},
1419 
1420 	{"SPK Left Out", NULL, "Left Speaker Mixer"},
1421 	{"SPK Right Out", NULL, "Right Speaker Mixer"},
1422 	{"RCV Left Out", NULL, "Left Receiver Mixer"},
1423 
1424 	{"LINMOD Mux", "Left and Right", "Right Receiver Mixer"},
1425 	{"LINMOD Mux", "Left Only",  "Left Receiver Mixer"},
1426 	{"RCV Right Out", NULL, "LINMOD Mux"},
1427 
1428 	{"HPL", NULL, "HP Left Out"},
1429 	{"HPR", NULL, "HP Right Out"},
1430 	{"SPKL", NULL, "SPK Left Out"},
1431 	{"SPKR", NULL, "SPK Right Out"},
1432 	{"RCVL", NULL, "RCV Left Out"},
1433 	{"RCVR", NULL, "RCV Right Out"},
1434 };
1435 
1436 static const struct snd_soc_dapm_route max98091_dapm_routes[] = {
1437 	/* DMIC inputs */
1438 	{"DMIC3", NULL, "DMIC3_ENA"},
1439 	{"DMIC4", NULL, "DMIC4_ENA"},
1440 	{"DMIC3", NULL, "AHPF"},
1441 	{"DMIC4", NULL, "AHPF"},
1442 };
1443 
1444 static int max98090_add_widgets(struct snd_soc_codec *codec)
1445 {
1446 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1447 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
1448 
1449 	snd_soc_add_codec_controls(codec, max98090_snd_controls,
1450 		ARRAY_SIZE(max98090_snd_controls));
1451 
1452 	if (max98090->devtype == MAX98091) {
1453 		snd_soc_add_codec_controls(codec, max98091_snd_controls,
1454 			ARRAY_SIZE(max98091_snd_controls));
1455 	}
1456 
1457 	snd_soc_dapm_new_controls(dapm, max98090_dapm_widgets,
1458 		ARRAY_SIZE(max98090_dapm_widgets));
1459 
1460 	snd_soc_dapm_add_routes(dapm, max98090_dapm_routes,
1461 		ARRAY_SIZE(max98090_dapm_routes));
1462 
1463 	if (max98090->devtype == MAX98091) {
1464 		snd_soc_dapm_new_controls(dapm, max98091_dapm_widgets,
1465 			ARRAY_SIZE(max98091_dapm_widgets));
1466 
1467 		snd_soc_dapm_add_routes(dapm, max98091_dapm_routes,
1468 			ARRAY_SIZE(max98091_dapm_routes));
1469 	}
1470 
1471 	return 0;
1472 }
1473 
1474 static const int pclk_rates[] = {
1475 	12000000, 12000000, 13000000, 13000000,
1476 	16000000, 16000000, 19200000, 19200000
1477 };
1478 
1479 static const int lrclk_rates[] = {
1480 	8000, 16000, 8000, 16000,
1481 	8000, 16000, 8000, 16000
1482 };
1483 
1484 static const int user_pclk_rates[] = {
1485 	13000000, 13000000, 19200000, 19200000,
1486 };
1487 
1488 static const int user_lrclk_rates[] = {
1489 	44100, 48000, 44100, 48000,
1490 };
1491 
1492 static const unsigned long long ni_value[] = {
1493 	3528, 768, 441, 8
1494 };
1495 
1496 static const unsigned long long mi_value[] = {
1497 	8125, 1625, 1500, 25
1498 };
1499 
1500 static void max98090_configure_bclk(struct snd_soc_codec *codec)
1501 {
1502 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1503 	unsigned long long ni;
1504 	int i;
1505 
1506 	if (!max98090->sysclk) {
1507 		dev_err(codec->dev, "No SYSCLK configured\n");
1508 		return;
1509 	}
1510 
1511 	if (!max98090->bclk || !max98090->lrclk) {
1512 		dev_err(codec->dev, "No audio clocks configured\n");
1513 		return;
1514 	}
1515 
1516 	/* Skip configuration when operating as slave */
1517 	if (!(snd_soc_read(codec, M98090_REG_MASTER_MODE) &
1518 		M98090_MAS_MASK)) {
1519 		return;
1520 	}
1521 
1522 	/* Check for supported PCLK to LRCLK ratios */
1523 	for (i = 0; i < ARRAY_SIZE(pclk_rates); i++) {
1524 		if ((pclk_rates[i] == max98090->sysclk) &&
1525 			(lrclk_rates[i] == max98090->lrclk)) {
1526 			dev_dbg(codec->dev,
1527 				"Found supported PCLK to LRCLK rates 0x%x\n",
1528 				i + 0x8);
1529 
1530 			snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE,
1531 				M98090_FREQ_MASK,
1532 				(i + 0x8) << M98090_FREQ_SHIFT);
1533 			snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE,
1534 				M98090_USE_M1_MASK, 0);
1535 			return;
1536 		}
1537 	}
1538 
1539 	/* Check for user calculated MI and NI ratios */
1540 	for (i = 0; i < ARRAY_SIZE(user_pclk_rates); i++) {
1541 		if ((user_pclk_rates[i] == max98090->sysclk) &&
1542 			(user_lrclk_rates[i] == max98090->lrclk)) {
1543 			dev_dbg(codec->dev,
1544 				"Found user supported PCLK to LRCLK rates\n");
1545 			dev_dbg(codec->dev, "i %d ni %lld mi %lld\n",
1546 				i, ni_value[i], mi_value[i]);
1547 
1548 			snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE,
1549 				M98090_FREQ_MASK, 0);
1550 			snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE,
1551 				M98090_USE_M1_MASK,
1552 					1 << M98090_USE_M1_SHIFT);
1553 
1554 			snd_soc_write(codec, M98090_REG_CLOCK_RATIO_NI_MSB,
1555 				(ni_value[i] >> 8) & 0x7F);
1556 			snd_soc_write(codec, M98090_REG_CLOCK_RATIO_NI_LSB,
1557 				ni_value[i] & 0xFF);
1558 			snd_soc_write(codec, M98090_REG_CLOCK_RATIO_MI_MSB,
1559 				(mi_value[i] >> 8) & 0x7F);
1560 			snd_soc_write(codec, M98090_REG_CLOCK_RATIO_MI_LSB,
1561 				mi_value[i] & 0xFF);
1562 
1563 			return;
1564 		}
1565 	}
1566 
1567 	/*
1568 	 * Calculate based on MI = 65536 (not as good as either method above)
1569 	 */
1570 	snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE,
1571 		M98090_FREQ_MASK, 0);
1572 	snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE,
1573 		M98090_USE_M1_MASK, 0);
1574 
1575 	/*
1576 	 * Configure NI when operating as master
1577 	 * Note: There is a small, but significant audio quality improvement
1578 	 * by calculating ni and mi.
1579 	 */
1580 	ni = 65536ULL * (max98090->lrclk < 50000 ? 96ULL : 48ULL)
1581 			* (unsigned long long int)max98090->lrclk;
1582 	do_div(ni, (unsigned long long int)max98090->sysclk);
1583 	dev_info(codec->dev, "No better method found\n");
1584 	dev_info(codec->dev, "Calculating ni %lld with mi 65536\n", ni);
1585 	snd_soc_write(codec, M98090_REG_CLOCK_RATIO_NI_MSB,
1586 		(ni >> 8) & 0x7F);
1587 	snd_soc_write(codec, M98090_REG_CLOCK_RATIO_NI_LSB, ni & 0xFF);
1588 }
1589 
1590 static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai,
1591 				 unsigned int fmt)
1592 {
1593 	struct snd_soc_codec *codec = codec_dai->codec;
1594 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1595 	struct max98090_cdata *cdata;
1596 	u8 regval;
1597 
1598 	max98090->dai_fmt = fmt;
1599 	cdata = &max98090->dai[0];
1600 
1601 	if (fmt != cdata->fmt) {
1602 		cdata->fmt = fmt;
1603 
1604 		regval = 0;
1605 		switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1606 		case SND_SOC_DAIFMT_CBS_CFS:
1607 			/* Set to slave mode PLL - MAS mode off */
1608 			snd_soc_write(codec,
1609 				M98090_REG_CLOCK_RATIO_NI_MSB, 0x00);
1610 			snd_soc_write(codec,
1611 				M98090_REG_CLOCK_RATIO_NI_LSB, 0x00);
1612 			snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE,
1613 				M98090_USE_M1_MASK, 0);
1614 			max98090->master = false;
1615 			break;
1616 		case SND_SOC_DAIFMT_CBM_CFM:
1617 			/* Set to master mode */
1618 			if (max98090->tdm_slots == 4) {
1619 				/* TDM */
1620 				regval |= M98090_MAS_MASK |
1621 					M98090_BSEL_64;
1622 			} else if (max98090->tdm_slots == 3) {
1623 				/* TDM */
1624 				regval |= M98090_MAS_MASK |
1625 					M98090_BSEL_48;
1626 			} else {
1627 				/* Few TDM slots, or No TDM */
1628 				regval |= M98090_MAS_MASK |
1629 					M98090_BSEL_32;
1630 			}
1631 			max98090->master = true;
1632 			break;
1633 		case SND_SOC_DAIFMT_CBS_CFM:
1634 		case SND_SOC_DAIFMT_CBM_CFS:
1635 		default:
1636 			dev_err(codec->dev, "DAI clock mode unsupported");
1637 			return -EINVAL;
1638 		}
1639 		snd_soc_write(codec, M98090_REG_MASTER_MODE, regval);
1640 
1641 		regval = 0;
1642 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1643 		case SND_SOC_DAIFMT_I2S:
1644 			regval |= M98090_DLY_MASK;
1645 			break;
1646 		case SND_SOC_DAIFMT_LEFT_J:
1647 			break;
1648 		case SND_SOC_DAIFMT_RIGHT_J:
1649 			regval |= M98090_RJ_MASK;
1650 			break;
1651 		case SND_SOC_DAIFMT_DSP_A:
1652 			/* Not supported mode */
1653 		default:
1654 			dev_err(codec->dev, "DAI format unsupported");
1655 			return -EINVAL;
1656 		}
1657 
1658 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1659 		case SND_SOC_DAIFMT_NB_NF:
1660 			break;
1661 		case SND_SOC_DAIFMT_NB_IF:
1662 			regval |= M98090_WCI_MASK;
1663 			break;
1664 		case SND_SOC_DAIFMT_IB_NF:
1665 			regval |= M98090_BCI_MASK;
1666 			break;
1667 		case SND_SOC_DAIFMT_IB_IF:
1668 			regval |= M98090_BCI_MASK|M98090_WCI_MASK;
1669 			break;
1670 		default:
1671 			dev_err(codec->dev, "DAI invert mode unsupported");
1672 			return -EINVAL;
1673 		}
1674 
1675 		/*
1676 		 * This accommodates an inverted logic in the MAX98090 chip
1677 		 * for Bit Clock Invert (BCI). The inverted logic is only
1678 		 * seen for the case of TDM mode. The remaining cases have
1679 		 * normal logic.
1680 		 */
1681 		if (max98090->tdm_slots > 1)
1682 			regval ^= M98090_BCI_MASK;
1683 
1684 		snd_soc_write(codec,
1685 			M98090_REG_INTERFACE_FORMAT, regval);
1686 	}
1687 
1688 	return 0;
1689 }
1690 
1691 static int max98090_set_tdm_slot(struct snd_soc_dai *codec_dai,
1692 	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
1693 {
1694 	struct snd_soc_codec *codec = codec_dai->codec;
1695 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1696 	struct max98090_cdata *cdata;
1697 	cdata = &max98090->dai[0];
1698 
1699 	if (slots < 0 || slots > 4)
1700 		return -EINVAL;
1701 
1702 	max98090->tdm_slots = slots;
1703 	max98090->tdm_width = slot_width;
1704 
1705 	if (max98090->tdm_slots > 1) {
1706 		/* SLOTL SLOTR SLOTDLY */
1707 		snd_soc_write(codec, M98090_REG_TDM_FORMAT,
1708 			0 << M98090_TDM_SLOTL_SHIFT |
1709 			1 << M98090_TDM_SLOTR_SHIFT |
1710 			0 << M98090_TDM_SLOTDLY_SHIFT);
1711 
1712 		/* FSW TDM */
1713 		snd_soc_update_bits(codec, M98090_REG_TDM_CONTROL,
1714 			M98090_TDM_MASK,
1715 			M98090_TDM_MASK);
1716 	}
1717 
1718 	/*
1719 	 * Normally advisable to set TDM first, but this permits either order
1720 	 */
1721 	cdata->fmt = 0;
1722 	max98090_dai_set_fmt(codec_dai, max98090->dai_fmt);
1723 
1724 	return 0;
1725 }
1726 
1727 static int max98090_set_bias_level(struct snd_soc_codec *codec,
1728 				   enum snd_soc_bias_level level)
1729 {
1730 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1731 	int ret;
1732 
1733 	switch (level) {
1734 	case SND_SOC_BIAS_ON:
1735 		break;
1736 
1737 	case SND_SOC_BIAS_PREPARE:
1738 		/*
1739 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1740 		 * transition to ON or away from ON. If current bias_level
1741 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1742 		 * away from ON. Disable the clock in that case, otherwise
1743 		 * enable it.
1744 		 */
1745 		if (IS_ERR(max98090->mclk))
1746 			break;
1747 
1748 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) {
1749 			clk_disable_unprepare(max98090->mclk);
1750 		} else {
1751 			ret = clk_prepare_enable(max98090->mclk);
1752 			if (ret)
1753 				return ret;
1754 		}
1755 		break;
1756 
1757 	case SND_SOC_BIAS_STANDBY:
1758 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1759 			ret = regcache_sync(max98090->regmap);
1760 			if (ret != 0) {
1761 				dev_err(codec->dev,
1762 					"Failed to sync cache: %d\n", ret);
1763 				return ret;
1764 			}
1765 		}
1766 		break;
1767 
1768 	case SND_SOC_BIAS_OFF:
1769 		/* Set internal pull-up to lowest power mode */
1770 		snd_soc_update_bits(codec, M98090_REG_JACK_DETECT,
1771 			M98090_JDWK_MASK, M98090_JDWK_MASK);
1772 		regcache_mark_dirty(max98090->regmap);
1773 		break;
1774 	}
1775 	return 0;
1776 }
1777 
1778 static const int dmic_divisors[] = { 2, 3, 4, 5, 6, 8 };
1779 
1780 static const int comp_lrclk_rates[] = {
1781 	8000, 16000, 32000, 44100, 48000, 96000
1782 };
1783 
1784 struct dmic_table {
1785 	int pclk;
1786 	struct {
1787 		int freq;
1788 		int comp[6]; /* One each for 8, 16, 32, 44.1, 48, and 96 kHz */
1789 	} settings[6]; /* One for each dmic divisor. */
1790 };
1791 
1792 static const struct dmic_table dmic_table[] = { /* One for each pclk freq. */
1793 	{
1794 		.pclk = 11289600,
1795 		.settings = {
1796 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1797 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1798 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1799 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1800 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1801 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1802 		},
1803 	},
1804 	{
1805 		.pclk = 12000000,
1806 		.settings = {
1807 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1808 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1809 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1810 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1811 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1812 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1813 		}
1814 	},
1815 	{
1816 		.pclk = 12288000,
1817 		.settings = {
1818 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1819 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1820 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1821 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1822 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1823 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1824 		}
1825 	},
1826 	{
1827 		.pclk = 13000000,
1828 		.settings = {
1829 			{ .freq = 2, .comp = { 7, 8, 1, 1, 1, 1 } },
1830 			{ .freq = 1, .comp = { 7, 8, 0, 0, 0, 0 } },
1831 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1832 			{ .freq = 0, .comp = { 7, 8, 4, 4, 5, 5 } },
1833 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1834 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1835 		}
1836 	},
1837 	{
1838 		.pclk = 19200000,
1839 		.settings = {
1840 			{ .freq = 2, .comp = { 0, 0, 0, 0, 0, 0 } },
1841 			{ .freq = 1, .comp = { 7, 8, 1, 1, 1, 1 } },
1842 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1843 			{ .freq = 0, .comp = { 7, 8, 2, 2, 3, 3 } },
1844 			{ .freq = 0, .comp = { 7, 8, 1, 1, 2, 2 } },
1845 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1846 		}
1847 	},
1848 };
1849 
1850 static int max98090_find_divisor(int target_freq, int pclk)
1851 {
1852 	int current_diff = INT_MAX;
1853 	int test_diff = INT_MAX;
1854 	int divisor_index = 0;
1855 	int i;
1856 
1857 	for (i = 0; i < ARRAY_SIZE(dmic_divisors); i++) {
1858 		test_diff = abs(target_freq - (pclk / dmic_divisors[i]));
1859 		if (test_diff < current_diff) {
1860 			current_diff = test_diff;
1861 			divisor_index = i;
1862 		}
1863 	}
1864 
1865 	return divisor_index;
1866 }
1867 
1868 static int max98090_find_closest_pclk(int pclk)
1869 {
1870 	int m1;
1871 	int m2;
1872 	int i;
1873 
1874 	for (i = 0; i < ARRAY_SIZE(dmic_table); i++) {
1875 		if (pclk == dmic_table[i].pclk)
1876 			return i;
1877 		if (pclk < dmic_table[i].pclk) {
1878 			if (i == 0)
1879 				return i;
1880 			m1 = pclk - dmic_table[i-1].pclk;
1881 			m2 = dmic_table[i].pclk - pclk;
1882 			if (m1 < m2)
1883 				return i - 1;
1884 			else
1885 				return i;
1886 		}
1887 	}
1888 
1889 	return -EINVAL;
1890 }
1891 
1892 static int max98090_configure_dmic(struct max98090_priv *max98090,
1893 				   int target_dmic_clk, int pclk, int fs)
1894 {
1895 	int micclk_index;
1896 	int pclk_index;
1897 	int dmic_freq;
1898 	int dmic_comp;
1899 	int i;
1900 
1901 	pclk_index = max98090_find_closest_pclk(pclk);
1902 	if (pclk_index < 0)
1903 		return pclk_index;
1904 
1905 	micclk_index = max98090_find_divisor(target_dmic_clk, pclk);
1906 
1907 	for (i = 0; i < ARRAY_SIZE(comp_lrclk_rates) - 1; i++) {
1908 		if (fs <= (comp_lrclk_rates[i] + comp_lrclk_rates[i+1]) / 2)
1909 			break;
1910 	}
1911 
1912 	dmic_freq = dmic_table[pclk_index].settings[micclk_index].freq;
1913 	dmic_comp = dmic_table[pclk_index].settings[micclk_index].comp[i];
1914 
1915 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_ENABLE,
1916 			   M98090_MICCLK_MASK,
1917 			   micclk_index << M98090_MICCLK_SHIFT);
1918 
1919 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_CONFIG,
1920 			   M98090_DMIC_COMP_MASK | M98090_DMIC_FREQ_MASK,
1921 			   dmic_comp << M98090_DMIC_COMP_SHIFT |
1922 			   dmic_freq << M98090_DMIC_FREQ_SHIFT);
1923 
1924 	return 0;
1925 }
1926 
1927 static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
1928 				   struct snd_pcm_hw_params *params,
1929 				   struct snd_soc_dai *dai)
1930 {
1931 	struct snd_soc_codec *codec = dai->codec;
1932 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1933 	struct max98090_cdata *cdata;
1934 
1935 	cdata = &max98090->dai[0];
1936 	max98090->bclk = snd_soc_params_to_bclk(params);
1937 	if (params_channels(params) == 1)
1938 		max98090->bclk *= 2;
1939 
1940 	max98090->lrclk = params_rate(params);
1941 
1942 	switch (params_width(params)) {
1943 	case 16:
1944 		snd_soc_update_bits(codec, M98090_REG_INTERFACE_FORMAT,
1945 			M98090_WS_MASK, 0);
1946 		break;
1947 	default:
1948 		return -EINVAL;
1949 	}
1950 
1951 	if (max98090->master)
1952 		max98090_configure_bclk(codec);
1953 
1954 	cdata->rate = max98090->lrclk;
1955 
1956 	/* Update filter mode */
1957 	if (max98090->lrclk < 24000)
1958 		snd_soc_update_bits(codec, M98090_REG_FILTER_CONFIG,
1959 			M98090_MODE_MASK, 0);
1960 	else
1961 		snd_soc_update_bits(codec, M98090_REG_FILTER_CONFIG,
1962 			M98090_MODE_MASK, M98090_MODE_MASK);
1963 
1964 	/* Update sample rate mode */
1965 	if (max98090->lrclk < 50000)
1966 		snd_soc_update_bits(codec, M98090_REG_FILTER_CONFIG,
1967 			M98090_DHF_MASK, 0);
1968 	else
1969 		snd_soc_update_bits(codec, M98090_REG_FILTER_CONFIG,
1970 			M98090_DHF_MASK, M98090_DHF_MASK);
1971 
1972 	max98090_configure_dmic(max98090, max98090->dmic_freq, max98090->pclk,
1973 				max98090->lrclk);
1974 
1975 	return 0;
1976 }
1977 
1978 /*
1979  * PLL / Sysclk
1980  */
1981 static int max98090_dai_set_sysclk(struct snd_soc_dai *dai,
1982 				   int clk_id, unsigned int freq, int dir)
1983 {
1984 	struct snd_soc_codec *codec = dai->codec;
1985 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
1986 
1987 	/* Requested clock frequency is already setup */
1988 	if (freq == max98090->sysclk)
1989 		return 0;
1990 
1991 	if (!IS_ERR(max98090->mclk)) {
1992 		freq = clk_round_rate(max98090->mclk, freq);
1993 		clk_set_rate(max98090->mclk, freq);
1994 	}
1995 
1996 	/* Setup clocks for slave mode, and using the PLL
1997 	 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
1998 	 *		 0x02 (when master clk is 20MHz to 40MHz)..
1999 	 *		 0x03 (when master clk is 40MHz to 60MHz)..
2000 	 */
2001 	if ((freq >= 10000000) && (freq <= 20000000)) {
2002 		snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
2003 			M98090_PSCLK_DIV1);
2004 		max98090->pclk = freq;
2005 	} else if ((freq > 20000000) && (freq <= 40000000)) {
2006 		snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
2007 			M98090_PSCLK_DIV2);
2008 		max98090->pclk = freq >> 1;
2009 	} else if ((freq > 40000000) && (freq <= 60000000)) {
2010 		snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
2011 			M98090_PSCLK_DIV4);
2012 		max98090->pclk = freq >> 2;
2013 	} else {
2014 		dev_err(codec->dev, "Invalid master clock frequency\n");
2015 		return -EINVAL;
2016 	}
2017 
2018 	max98090->sysclk = freq;
2019 
2020 	return 0;
2021 }
2022 
2023 static int max98090_dai_digital_mute(struct snd_soc_dai *codec_dai, int mute)
2024 {
2025 	struct snd_soc_codec *codec = codec_dai->codec;
2026 	int regval;
2027 
2028 	regval = mute ? M98090_DVM_MASK : 0;
2029 	snd_soc_update_bits(codec, M98090_REG_DAI_PLAYBACK_LEVEL,
2030 		M98090_DVM_MASK, regval);
2031 
2032 	return 0;
2033 }
2034 
2035 static int max98090_dai_trigger(struct snd_pcm_substream *substream, int cmd,
2036 				struct snd_soc_dai *dai)
2037 {
2038 	struct snd_soc_codec *codec = dai->codec;
2039 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
2040 
2041 	switch (cmd) {
2042 	case SNDRV_PCM_TRIGGER_START:
2043 	case SNDRV_PCM_TRIGGER_RESUME:
2044 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
2045 		if (!max98090->master && dai->active == 1)
2046 			queue_delayed_work(system_power_efficient_wq,
2047 					   &max98090->pll_det_enable_work,
2048 					   msecs_to_jiffies(10));
2049 		break;
2050 	case SNDRV_PCM_TRIGGER_STOP:
2051 	case SNDRV_PCM_TRIGGER_SUSPEND:
2052 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
2053 		if (!max98090->master && dai->active == 1)
2054 			schedule_work(&max98090->pll_det_disable_work);
2055 		break;
2056 	default:
2057 		break;
2058 	}
2059 
2060 	return 0;
2061 }
2062 
2063 static void max98090_pll_det_enable_work(struct work_struct *work)
2064 {
2065 	struct max98090_priv *max98090 =
2066 		container_of(work, struct max98090_priv,
2067 			     pll_det_enable_work.work);
2068 	struct snd_soc_codec *codec = max98090->codec;
2069 	unsigned int status, mask;
2070 
2071 	/*
2072 	 * Clear status register in order to clear possibly already occurred
2073 	 * PLL unlock. If PLL hasn't still locked, the status will be set
2074 	 * again and PLL unlock interrupt will occur.
2075 	 * Note this will clear all status bits
2076 	 */
2077 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2078 
2079 	/*
2080 	 * Queue jack work in case jack state has just changed but handler
2081 	 * hasn't run yet
2082 	 */
2083 	regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2084 	status &= mask;
2085 	if (status & M98090_JDET_MASK)
2086 		queue_delayed_work(system_power_efficient_wq,
2087 				   &max98090->jack_work,
2088 				   msecs_to_jiffies(100));
2089 
2090 	/* Enable PLL unlock interrupt */
2091 	snd_soc_update_bits(codec, M98090_REG_INTERRUPT_S,
2092 			    M98090_IULK_MASK,
2093 			    1 << M98090_IULK_SHIFT);
2094 }
2095 
2096 static void max98090_pll_det_disable_work(struct work_struct *work)
2097 {
2098 	struct max98090_priv *max98090 =
2099 		container_of(work, struct max98090_priv, pll_det_disable_work);
2100 	struct snd_soc_codec *codec = max98090->codec;
2101 
2102 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2103 
2104 	/* Disable PLL unlock interrupt */
2105 	snd_soc_update_bits(codec, M98090_REG_INTERRUPT_S,
2106 			    M98090_IULK_MASK, 0);
2107 }
2108 
2109 static void max98090_pll_work(struct work_struct *work)
2110 {
2111 	struct max98090_priv *max98090 =
2112 		container_of(work, struct max98090_priv, pll_work);
2113 	struct snd_soc_codec *codec = max98090->codec;
2114 
2115 	if (!snd_soc_codec_is_active(codec))
2116 		return;
2117 
2118 	dev_info(codec->dev, "PLL unlocked\n");
2119 
2120 	/* Toggle shutdown OFF then ON */
2121 	snd_soc_update_bits(codec, M98090_REG_DEVICE_SHUTDOWN,
2122 			    M98090_SHDNN_MASK, 0);
2123 	msleep(10);
2124 	snd_soc_update_bits(codec, M98090_REG_DEVICE_SHUTDOWN,
2125 			    M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2126 
2127 	/* Give PLL time to lock */
2128 	msleep(10);
2129 }
2130 
2131 static void max98090_jack_work(struct work_struct *work)
2132 {
2133 	struct max98090_priv *max98090 = container_of(work,
2134 		struct max98090_priv,
2135 		jack_work.work);
2136 	struct snd_soc_codec *codec = max98090->codec;
2137 	int status = 0;
2138 	int reg;
2139 
2140 	/* Read a second time */
2141 	if (max98090->jack_state == M98090_JACK_STATE_NO_HEADSET) {
2142 
2143 		/* Strong pull up allows mic detection */
2144 		snd_soc_update_bits(codec, M98090_REG_JACK_DETECT,
2145 			M98090_JDWK_MASK, 0);
2146 
2147 		msleep(50);
2148 
2149 		reg = snd_soc_read(codec, M98090_REG_JACK_STATUS);
2150 
2151 		/* Weak pull up allows only insertion detection */
2152 		snd_soc_update_bits(codec, M98090_REG_JACK_DETECT,
2153 			M98090_JDWK_MASK, M98090_JDWK_MASK);
2154 	} else {
2155 		reg = snd_soc_read(codec, M98090_REG_JACK_STATUS);
2156 	}
2157 
2158 	reg = snd_soc_read(codec, M98090_REG_JACK_STATUS);
2159 
2160 	switch (reg & (M98090_LSNS_MASK | M98090_JKSNS_MASK)) {
2161 		case M98090_LSNS_MASK | M98090_JKSNS_MASK:
2162 			dev_dbg(codec->dev, "No Headset Detected\n");
2163 
2164 			max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2165 
2166 			status |= 0;
2167 
2168 			break;
2169 
2170 		case 0:
2171 			if (max98090->jack_state ==
2172 				M98090_JACK_STATE_HEADSET) {
2173 
2174 				dev_dbg(codec->dev,
2175 					"Headset Button Down Detected\n");
2176 
2177 				/*
2178 				 * max98090_headset_button_event(codec)
2179 				 * could be defined, then called here.
2180 				 */
2181 
2182 				status |= SND_JACK_HEADSET;
2183 				status |= SND_JACK_BTN_0;
2184 
2185 				break;
2186 			}
2187 
2188 			/* Line is reported as Headphone */
2189 			/* Nokia Headset is reported as Headphone */
2190 			/* Mono Headphone is reported as Headphone */
2191 			dev_dbg(codec->dev, "Headphone Detected\n");
2192 
2193 			max98090->jack_state = M98090_JACK_STATE_HEADPHONE;
2194 
2195 			status |= SND_JACK_HEADPHONE;
2196 
2197 			break;
2198 
2199 		case M98090_JKSNS_MASK:
2200 			dev_dbg(codec->dev, "Headset Detected\n");
2201 
2202 			max98090->jack_state = M98090_JACK_STATE_HEADSET;
2203 
2204 			status |= SND_JACK_HEADSET;
2205 
2206 			break;
2207 
2208 		default:
2209 			dev_dbg(codec->dev, "Unrecognized Jack Status\n");
2210 			break;
2211 	}
2212 
2213 	snd_soc_jack_report(max98090->jack, status,
2214 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2215 }
2216 
2217 static irqreturn_t max98090_interrupt(int irq, void *data)
2218 {
2219 	struct max98090_priv *max98090 = data;
2220 	struct snd_soc_codec *codec = max98090->codec;
2221 	int ret;
2222 	unsigned int mask;
2223 	unsigned int active;
2224 
2225 	/* Treat interrupt before codec is initialized as spurious */
2226 	if (codec == NULL)
2227 		return IRQ_NONE;
2228 
2229 	dev_dbg(codec->dev, "***** max98090_interrupt *****\n");
2230 
2231 	ret = regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2232 
2233 	if (ret != 0) {
2234 		dev_err(codec->dev,
2235 			"failed to read M98090_REG_INTERRUPT_S: %d\n",
2236 			ret);
2237 		return IRQ_NONE;
2238 	}
2239 
2240 	ret = regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &active);
2241 
2242 	if (ret != 0) {
2243 		dev_err(codec->dev,
2244 			"failed to read M98090_REG_DEVICE_STATUS: %d\n",
2245 			ret);
2246 		return IRQ_NONE;
2247 	}
2248 
2249 	dev_dbg(codec->dev, "active=0x%02x mask=0x%02x -> active=0x%02x\n",
2250 		active, mask, active & mask);
2251 
2252 	active &= mask;
2253 
2254 	if (!active)
2255 		return IRQ_NONE;
2256 
2257 	if (active & M98090_CLD_MASK)
2258 		dev_err(codec->dev, "M98090_CLD_MASK\n");
2259 
2260 	if (active & M98090_SLD_MASK)
2261 		dev_dbg(codec->dev, "M98090_SLD_MASK\n");
2262 
2263 	if (active & M98090_ULK_MASK) {
2264 		dev_dbg(codec->dev, "M98090_ULK_MASK\n");
2265 		schedule_work(&max98090->pll_work);
2266 	}
2267 
2268 	if (active & M98090_JDET_MASK) {
2269 		dev_dbg(codec->dev, "M98090_JDET_MASK\n");
2270 
2271 		pm_wakeup_event(codec->dev, 100);
2272 
2273 		queue_delayed_work(system_power_efficient_wq,
2274 				   &max98090->jack_work,
2275 				   msecs_to_jiffies(100));
2276 	}
2277 
2278 	if (active & M98090_DRCACT_MASK)
2279 		dev_dbg(codec->dev, "M98090_DRCACT_MASK\n");
2280 
2281 	if (active & M98090_DRCCLP_MASK)
2282 		dev_err(codec->dev, "M98090_DRCCLP_MASK\n");
2283 
2284 	return IRQ_HANDLED;
2285 }
2286 
2287 /**
2288  * max98090_mic_detect - Enable microphone detection via the MAX98090 IRQ
2289  *
2290  * @codec:  MAX98090 codec
2291  * @jack:   jack to report detection events on
2292  *
2293  * Enable microphone detection via IRQ on the MAX98090.  If GPIOs are
2294  * being used to bring out signals to the processor then only platform
2295  * data configuration is needed for MAX98090 and processor GPIOs should
2296  * be configured using snd_soc_jack_add_gpios() instead.
2297  *
2298  * If no jack is supplied detection will be disabled.
2299  */
2300 int max98090_mic_detect(struct snd_soc_codec *codec,
2301 	struct snd_soc_jack *jack)
2302 {
2303 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
2304 
2305 	dev_dbg(codec->dev, "max98090_mic_detect\n");
2306 
2307 	max98090->jack = jack;
2308 	if (jack) {
2309 		snd_soc_update_bits(codec, M98090_REG_INTERRUPT_S,
2310 			M98090_IJDET_MASK,
2311 			1 << M98090_IJDET_SHIFT);
2312 	} else {
2313 		snd_soc_update_bits(codec, M98090_REG_INTERRUPT_S,
2314 			M98090_IJDET_MASK,
2315 			0);
2316 	}
2317 
2318 	/* Send an initial empty report */
2319 	snd_soc_jack_report(max98090->jack, 0,
2320 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2321 
2322 	queue_delayed_work(system_power_efficient_wq,
2323 			   &max98090->jack_work,
2324 			   msecs_to_jiffies(100));
2325 
2326 	return 0;
2327 }
2328 EXPORT_SYMBOL_GPL(max98090_mic_detect);
2329 
2330 #define MAX98090_RATES SNDRV_PCM_RATE_8000_96000
2331 #define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
2332 
2333 static const struct snd_soc_dai_ops max98090_dai_ops = {
2334 	.set_sysclk = max98090_dai_set_sysclk,
2335 	.set_fmt = max98090_dai_set_fmt,
2336 	.set_tdm_slot = max98090_set_tdm_slot,
2337 	.hw_params = max98090_dai_hw_params,
2338 	.digital_mute = max98090_dai_digital_mute,
2339 	.trigger = max98090_dai_trigger,
2340 };
2341 
2342 static struct snd_soc_dai_driver max98090_dai[] = {
2343 {
2344 	.name = "HiFi",
2345 	.playback = {
2346 		.stream_name = "HiFi Playback",
2347 		.channels_min = 2,
2348 		.channels_max = 2,
2349 		.rates = MAX98090_RATES,
2350 		.formats = MAX98090_FORMATS,
2351 	},
2352 	.capture = {
2353 		.stream_name = "HiFi Capture",
2354 		.channels_min = 1,
2355 		.channels_max = 2,
2356 		.rates = MAX98090_RATES,
2357 		.formats = MAX98090_FORMATS,
2358 	},
2359 	 .ops = &max98090_dai_ops,
2360 }
2361 };
2362 
2363 static int max98090_probe(struct snd_soc_codec *codec)
2364 {
2365 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
2366 	struct max98090_cdata *cdata;
2367 	enum max98090_type devtype;
2368 	int ret = 0;
2369 	int err;
2370 	unsigned int micbias;
2371 
2372 	dev_dbg(codec->dev, "max98090_probe\n");
2373 
2374 	max98090->mclk = devm_clk_get(codec->dev, "mclk");
2375 	if (PTR_ERR(max98090->mclk) == -EPROBE_DEFER)
2376 		return -EPROBE_DEFER;
2377 
2378 	max98090->codec = codec;
2379 
2380 	/* Reset the codec, the DSP core, and disable all interrupts */
2381 	max98090_reset(max98090);
2382 
2383 	/* Initialize private data */
2384 
2385 	max98090->sysclk = (unsigned)-1;
2386 	max98090->pclk = (unsigned)-1;
2387 	max98090->master = false;
2388 
2389 	cdata = &max98090->dai[0];
2390 	cdata->rate = (unsigned)-1;
2391 	cdata->fmt  = (unsigned)-1;
2392 
2393 	max98090->lin_state = 0;
2394 	max98090->pa1en = 0;
2395 	max98090->pa2en = 0;
2396 
2397 	ret = snd_soc_read(codec, M98090_REG_REVISION_ID);
2398 	if (ret < 0) {
2399 		dev_err(codec->dev, "Failed to read device revision: %d\n",
2400 			ret);
2401 		goto err_access;
2402 	}
2403 
2404 	if ((ret >= M98090_REVA) && (ret <= M98090_REVA + 0x0f)) {
2405 		devtype = MAX98090;
2406 		dev_info(codec->dev, "MAX98090 REVID=0x%02x\n", ret);
2407 	} else if ((ret >= M98091_REVA) && (ret <= M98091_REVA + 0x0f)) {
2408 		devtype = MAX98091;
2409 		dev_info(codec->dev, "MAX98091 REVID=0x%02x\n", ret);
2410 	} else {
2411 		devtype = MAX98090;
2412 		dev_err(codec->dev, "Unrecognized revision 0x%02x\n", ret);
2413 	}
2414 
2415 	if (max98090->devtype != devtype) {
2416 		dev_warn(codec->dev, "Mismatch in DT specified CODEC type.\n");
2417 		max98090->devtype = devtype;
2418 	}
2419 
2420 	max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2421 
2422 	INIT_DELAYED_WORK(&max98090->jack_work, max98090_jack_work);
2423 	INIT_DELAYED_WORK(&max98090->pll_det_enable_work,
2424 			  max98090_pll_det_enable_work);
2425 	INIT_WORK(&max98090->pll_det_disable_work,
2426 		  max98090_pll_det_disable_work);
2427 	INIT_WORK(&max98090->pll_work, max98090_pll_work);
2428 
2429 	/* Enable jack detection */
2430 	snd_soc_write(codec, M98090_REG_JACK_DETECT,
2431 		M98090_JDETEN_MASK | M98090_JDEB_25MS);
2432 
2433 	/*
2434 	 * Clear any old interrupts.
2435 	 * An old interrupt ocurring prior to installing the ISR
2436 	 * can keep a new interrupt from generating a trigger.
2437 	 */
2438 	snd_soc_read(codec, M98090_REG_DEVICE_STATUS);
2439 
2440 	/* High Performance is default */
2441 	snd_soc_update_bits(codec, M98090_REG_DAC_CONTROL,
2442 		M98090_DACHP_MASK,
2443 		1 << M98090_DACHP_SHIFT);
2444 	snd_soc_update_bits(codec, M98090_REG_DAC_CONTROL,
2445 		M98090_PERFMODE_MASK,
2446 		0 << M98090_PERFMODE_SHIFT);
2447 	snd_soc_update_bits(codec, M98090_REG_ADC_CONTROL,
2448 		M98090_ADCHP_MASK,
2449 		1 << M98090_ADCHP_SHIFT);
2450 
2451 	/* Turn on VCM bandgap reference */
2452 	snd_soc_write(codec, M98090_REG_BIAS_CONTROL,
2453 		M98090_VCM_MODE_MASK);
2454 
2455 	err = device_property_read_u32(codec->dev, "maxim,micbias", &micbias);
2456 	if (err) {
2457 		micbias = M98090_MBVSEL_2V8;
2458 		dev_info(codec->dev, "use default 2.8v micbias\n");
2459 	} else if (micbias < M98090_MBVSEL_2V2 || micbias > M98090_MBVSEL_2V8) {
2460 		dev_err(codec->dev, "micbias out of range 0x%x\n", micbias);
2461 		micbias = M98090_MBVSEL_2V8;
2462 	}
2463 
2464 	snd_soc_update_bits(codec, M98090_REG_MIC_BIAS_VOLTAGE,
2465 		M98090_MBVSEL_MASK, micbias);
2466 
2467 	max98090_add_widgets(codec);
2468 
2469 err_access:
2470 	return ret;
2471 }
2472 
2473 static int max98090_remove(struct snd_soc_codec *codec)
2474 {
2475 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
2476 
2477 	cancel_delayed_work_sync(&max98090->jack_work);
2478 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2479 	cancel_work_sync(&max98090->pll_det_disable_work);
2480 	cancel_work_sync(&max98090->pll_work);
2481 	max98090->codec = NULL;
2482 
2483 	return 0;
2484 }
2485 
2486 static void max98090_seq_notifier(struct snd_soc_dapm_context *dapm,
2487 	enum snd_soc_dapm_type event, int subseq)
2488 {
2489 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
2490 	struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
2491 
2492 	if (max98090->shdn_pending) {
2493 		snd_soc_update_bits(codec, M98090_REG_DEVICE_SHUTDOWN,
2494 				M98090_SHDNN_MASK, 0);
2495 		msleep(40);
2496 		snd_soc_update_bits(codec, M98090_REG_DEVICE_SHUTDOWN,
2497 				M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2498 		max98090->shdn_pending = false;
2499 	}
2500 }
2501 
2502 static struct snd_soc_codec_driver soc_codec_dev_max98090 = {
2503 	.probe   = max98090_probe,
2504 	.remove  = max98090_remove,
2505 	.seq_notifier = max98090_seq_notifier,
2506 	.set_bias_level = max98090_set_bias_level,
2507 };
2508 
2509 static const struct regmap_config max98090_regmap = {
2510 	.reg_bits = 8,
2511 	.val_bits = 8,
2512 
2513 	.max_register = MAX98090_MAX_REGISTER,
2514 	.reg_defaults = max98090_reg,
2515 	.num_reg_defaults = ARRAY_SIZE(max98090_reg),
2516 	.volatile_reg = max98090_volatile_register,
2517 	.readable_reg = max98090_readable_register,
2518 	.cache_type = REGCACHE_RBTREE,
2519 };
2520 
2521 static int max98090_i2c_probe(struct i2c_client *i2c,
2522 				 const struct i2c_device_id *i2c_id)
2523 {
2524 	struct max98090_priv *max98090;
2525 	const struct acpi_device_id *acpi_id;
2526 	kernel_ulong_t driver_data = 0;
2527 	int ret;
2528 
2529 	pr_debug("max98090_i2c_probe\n");
2530 
2531 	max98090 = devm_kzalloc(&i2c->dev, sizeof(struct max98090_priv),
2532 		GFP_KERNEL);
2533 	if (max98090 == NULL)
2534 		return -ENOMEM;
2535 
2536 	if (ACPI_HANDLE(&i2c->dev)) {
2537 		acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table,
2538 					    &i2c->dev);
2539 		if (!acpi_id) {
2540 			dev_err(&i2c->dev, "No driver data\n");
2541 			return -EINVAL;
2542 		}
2543 		driver_data = acpi_id->driver_data;
2544 	} else if (i2c_id) {
2545 		driver_data = i2c_id->driver_data;
2546 	}
2547 
2548 	max98090->devtype = driver_data;
2549 	i2c_set_clientdata(i2c, max98090);
2550 	max98090->pdata = i2c->dev.platform_data;
2551 
2552 	ret = of_property_read_u32(i2c->dev.of_node, "maxim,dmic-freq",
2553 				   &max98090->dmic_freq);
2554 	if (ret < 0)
2555 		max98090->dmic_freq = MAX98090_DEFAULT_DMIC_FREQ;
2556 
2557 	max98090->regmap = devm_regmap_init_i2c(i2c, &max98090_regmap);
2558 	if (IS_ERR(max98090->regmap)) {
2559 		ret = PTR_ERR(max98090->regmap);
2560 		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
2561 		goto err_enable;
2562 	}
2563 
2564 	ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
2565 		max98090_interrupt, IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2566 		"max98090_interrupt", max98090);
2567 	if (ret < 0) {
2568 		dev_err(&i2c->dev, "request_irq failed: %d\n",
2569 			ret);
2570 		return ret;
2571 	}
2572 
2573 	ret = snd_soc_register_codec(&i2c->dev,
2574 			&soc_codec_dev_max98090, max98090_dai,
2575 			ARRAY_SIZE(max98090_dai));
2576 err_enable:
2577 	return ret;
2578 }
2579 
2580 static void max98090_i2c_shutdown(struct i2c_client *i2c)
2581 {
2582 	struct max98090_priv *max98090 = dev_get_drvdata(&i2c->dev);
2583 
2584 	/*
2585 	 * Enable volume smoothing, disable zero cross.  This will cause
2586 	 * a quick 40ms ramp to mute on shutdown.
2587 	 */
2588 	regmap_write(max98090->regmap,
2589 		M98090_REG_LEVEL_CONTROL, M98090_VSENN_MASK);
2590 	regmap_write(max98090->regmap,
2591 		M98090_REG_DEVICE_SHUTDOWN, 0x00);
2592 	msleep(40);
2593 }
2594 
2595 static int max98090_i2c_remove(struct i2c_client *client)
2596 {
2597 	max98090_i2c_shutdown(client);
2598 	snd_soc_unregister_codec(&client->dev);
2599 	return 0;
2600 }
2601 
2602 #ifdef CONFIG_PM
2603 static int max98090_runtime_resume(struct device *dev)
2604 {
2605 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2606 
2607 	regcache_cache_only(max98090->regmap, false);
2608 
2609 	max98090_reset(max98090);
2610 
2611 	regcache_sync(max98090->regmap);
2612 
2613 	return 0;
2614 }
2615 
2616 static int max98090_runtime_suspend(struct device *dev)
2617 {
2618 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2619 
2620 	regcache_cache_only(max98090->regmap, true);
2621 
2622 	return 0;
2623 }
2624 #endif
2625 
2626 #ifdef CONFIG_PM_SLEEP
2627 static int max98090_resume(struct device *dev)
2628 {
2629 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2630 	unsigned int status;
2631 
2632 	regcache_mark_dirty(max98090->regmap);
2633 
2634 	max98090_reset(max98090);
2635 
2636 	/* clear IRQ status */
2637 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2638 
2639 	regcache_sync(max98090->regmap);
2640 
2641 	return 0;
2642 }
2643 
2644 static int max98090_suspend(struct device *dev)
2645 {
2646 	return 0;
2647 }
2648 #endif
2649 
2650 static const struct dev_pm_ops max98090_pm = {
2651 	SET_RUNTIME_PM_OPS(max98090_runtime_suspend,
2652 		max98090_runtime_resume, NULL)
2653 	SET_SYSTEM_SLEEP_PM_OPS(max98090_suspend, max98090_resume)
2654 };
2655 
2656 static const struct i2c_device_id max98090_i2c_id[] = {
2657 	{ "max98090", MAX98090 },
2658 	{ "max98091", MAX98091 },
2659 	{ }
2660 };
2661 MODULE_DEVICE_TABLE(i2c, max98090_i2c_id);
2662 
2663 static const struct of_device_id max98090_of_match[] = {
2664 	{ .compatible = "maxim,max98090", },
2665 	{ .compatible = "maxim,max98091", },
2666 	{ }
2667 };
2668 MODULE_DEVICE_TABLE(of, max98090_of_match);
2669 
2670 #ifdef CONFIG_ACPI
2671 static const struct acpi_device_id max98090_acpi_match[] = {
2672 	{ "193C9890", MAX98090 },
2673 	{ }
2674 };
2675 MODULE_DEVICE_TABLE(acpi, max98090_acpi_match);
2676 #endif
2677 
2678 static struct i2c_driver max98090_i2c_driver = {
2679 	.driver = {
2680 		.name = "max98090",
2681 		.pm = &max98090_pm,
2682 		.of_match_table = of_match_ptr(max98090_of_match),
2683 		.acpi_match_table = ACPI_PTR(max98090_acpi_match),
2684 	},
2685 	.probe  = max98090_i2c_probe,
2686 	.shutdown = max98090_i2c_shutdown,
2687 	.remove = max98090_i2c_remove,
2688 	.id_table = max98090_i2c_id,
2689 };
2690 
2691 module_i2c_driver(max98090_i2c_driver);
2692 
2693 MODULE_DESCRIPTION("ALSA SoC MAX98090 driver");
2694 MODULE_AUTHOR("Peter Hsiang, Jesse Marroqin, Jerry Wong");
2695 MODULE_LICENSE("GPL");
2696