xref: /linux/sound/soc/codecs/max98090.c (revision 3f1c07fc21c68bd3bd2df9d2c9441f6485e934d9)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * max98090.c -- MAX98090 ALSA SoC Audio driver
4  *
5  * Copyright 2011-2012 Maxim Integrated Products
6  */
7 
8 #include <linux/delay.h>
9 #include <linux/i2c.h>
10 #include <linux/module.h>
11 #include <linux/of.h>
12 #include <linux/pm.h>
13 #include <linux/regmap.h>
14 #include <linux/slab.h>
15 #include <linux/acpi.h>
16 #include <linux/clk.h>
17 #include <sound/jack.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/tlv.h>
22 #include <sound/max98090.h>
23 #include "max98090.h"
24 
25 /* Allows for sparsely populated register maps */
26 static const struct reg_default max98090_reg[] = {
27 	{ 0x00, 0x00 }, /* 00 Software Reset */
28 	{ 0x03, 0x04 }, /* 03 Interrupt Masks */
29 	{ 0x04, 0x00 }, /* 04 System Clock Quick */
30 	{ 0x05, 0x00 }, /* 05 Sample Rate Quick */
31 	{ 0x06, 0x00 }, /* 06 DAI Interface Quick */
32 	{ 0x07, 0x00 }, /* 07 DAC Path Quick */
33 	{ 0x08, 0x00 }, /* 08 Mic/Direct to ADC Quick */
34 	{ 0x09, 0x00 }, /* 09 Line to ADC Quick */
35 	{ 0x0A, 0x00 }, /* 0A Analog Mic Loop Quick */
36 	{ 0x0B, 0x00 }, /* 0B Analog Line Loop Quick */
37 	{ 0x0C, 0x00 }, /* 0C Reserved */
38 	{ 0x0D, 0x00 }, /* 0D Input Config */
39 	{ 0x0E, 0x1B }, /* 0E Line Input Level */
40 	{ 0x0F, 0x00 }, /* 0F Line Config */
41 
42 	{ 0x10, 0x14 }, /* 10 Mic1 Input Level */
43 	{ 0x11, 0x14 }, /* 11 Mic2 Input Level */
44 	{ 0x12, 0x00 }, /* 12 Mic Bias Voltage */
45 	{ 0x13, 0x00 }, /* 13 Digital Mic Config */
46 	{ 0x14, 0x00 }, /* 14 Digital Mic Mode */
47 	{ 0x15, 0x00 }, /* 15 Left ADC Mixer */
48 	{ 0x16, 0x00 }, /* 16 Right ADC Mixer */
49 	{ 0x17, 0x03 }, /* 17 Left ADC Level */
50 	{ 0x18, 0x03 }, /* 18 Right ADC Level */
51 	{ 0x19, 0x00 }, /* 19 ADC Biquad Level */
52 	{ 0x1A, 0x00 }, /* 1A ADC Sidetone */
53 	{ 0x1B, 0x00 }, /* 1B System Clock */
54 	{ 0x1C, 0x00 }, /* 1C Clock Mode */
55 	{ 0x1D, 0x00 }, /* 1D Any Clock 1 */
56 	{ 0x1E, 0x00 }, /* 1E Any Clock 2 */
57 	{ 0x1F, 0x00 }, /* 1F Any Clock 3 */
58 
59 	{ 0x20, 0x00 }, /* 20 Any Clock 4 */
60 	{ 0x21, 0x00 }, /* 21 Master Mode */
61 	{ 0x22, 0x00 }, /* 22 Interface Format */
62 	{ 0x23, 0x00 }, /* 23 TDM Format 1*/
63 	{ 0x24, 0x00 }, /* 24 TDM Format 2*/
64 	{ 0x25, 0x00 }, /* 25 I/O Configuration */
65 	{ 0x26, 0x80 }, /* 26 Filter Config */
66 	{ 0x27, 0x00 }, /* 27 DAI Playback Level */
67 	{ 0x28, 0x00 }, /* 28 EQ Playback Level */
68 	{ 0x29, 0x00 }, /* 29 Left HP Mixer */
69 	{ 0x2A, 0x00 }, /* 2A Right HP Mixer */
70 	{ 0x2B, 0x00 }, /* 2B HP Control */
71 	{ 0x2C, 0x1A }, /* 2C Left HP Volume */
72 	{ 0x2D, 0x1A }, /* 2D Right HP Volume */
73 	{ 0x2E, 0x00 }, /* 2E Left Spk Mixer */
74 	{ 0x2F, 0x00 }, /* 2F Right Spk Mixer */
75 
76 	{ 0x30, 0x00 }, /* 30 Spk Control */
77 	{ 0x31, 0x2C }, /* 31 Left Spk Volume */
78 	{ 0x32, 0x2C }, /* 32 Right Spk Volume */
79 	{ 0x33, 0x00 }, /* 33 ALC Timing */
80 	{ 0x34, 0x00 }, /* 34 ALC Compressor */
81 	{ 0x35, 0x00 }, /* 35 ALC Expander */
82 	{ 0x36, 0x00 }, /* 36 ALC Gain */
83 	{ 0x37, 0x00 }, /* 37 Rcv/Line OutL Mixer */
84 	{ 0x38, 0x00 }, /* 38 Rcv/Line OutL Control */
85 	{ 0x39, 0x15 }, /* 39 Rcv/Line OutL Volume */
86 	{ 0x3A, 0x00 }, /* 3A Line OutR Mixer */
87 	{ 0x3B, 0x00 }, /* 3B Line OutR Control */
88 	{ 0x3C, 0x15 }, /* 3C Line OutR Volume */
89 	{ 0x3D, 0x00 }, /* 3D Jack Detect */
90 	{ 0x3E, 0x00 }, /* 3E Input Enable */
91 	{ 0x3F, 0x00 }, /* 3F Output Enable */
92 
93 	{ 0x40, 0x00 }, /* 40 Level Control */
94 	{ 0x41, 0x00 }, /* 41 DSP Filter Enable */
95 	{ 0x42, 0x00 }, /* 42 Bias Control */
96 	{ 0x43, 0x00 }, /* 43 DAC Control */
97 	{ 0x44, 0x06 }, /* 44 ADC Control */
98 	{ 0x45, 0x00 }, /* 45 Device Shutdown */
99 	{ 0x46, 0x00 }, /* 46 Equalizer Band 1 Coefficient B0 */
100 	{ 0x47, 0x00 }, /* 47 Equalizer Band 1 Coefficient B0 */
101 	{ 0x48, 0x00 }, /* 48 Equalizer Band 1 Coefficient B0 */
102 	{ 0x49, 0x00 }, /* 49 Equalizer Band 1 Coefficient B1 */
103 	{ 0x4A, 0x00 }, /* 4A Equalizer Band 1 Coefficient B1 */
104 	{ 0x4B, 0x00 }, /* 4B Equalizer Band 1 Coefficient B1 */
105 	{ 0x4C, 0x00 }, /* 4C Equalizer Band 1 Coefficient B2 */
106 	{ 0x4D, 0x00 }, /* 4D Equalizer Band 1 Coefficient B2 */
107 	{ 0x4E, 0x00 }, /* 4E Equalizer Band 1 Coefficient B2 */
108 	{ 0x4F, 0x00 }, /* 4F Equalizer Band 1 Coefficient A1 */
109 
110 	{ 0x50, 0x00 }, /* 50 Equalizer Band 1 Coefficient A1 */
111 	{ 0x51, 0x00 }, /* 51 Equalizer Band 1 Coefficient A1 */
112 	{ 0x52, 0x00 }, /* 52 Equalizer Band 1 Coefficient A2 */
113 	{ 0x53, 0x00 }, /* 53 Equalizer Band 1 Coefficient A2 */
114 	{ 0x54, 0x00 }, /* 54 Equalizer Band 1 Coefficient A2 */
115 	{ 0x55, 0x00 }, /* 55 Equalizer Band 2 Coefficient B0 */
116 	{ 0x56, 0x00 }, /* 56 Equalizer Band 2 Coefficient B0 */
117 	{ 0x57, 0x00 }, /* 57 Equalizer Band 2 Coefficient B0 */
118 	{ 0x58, 0x00 }, /* 58 Equalizer Band 2 Coefficient B1 */
119 	{ 0x59, 0x00 }, /* 59 Equalizer Band 2 Coefficient B1 */
120 	{ 0x5A, 0x00 }, /* 5A Equalizer Band 2 Coefficient B1 */
121 	{ 0x5B, 0x00 }, /* 5B Equalizer Band 2 Coefficient B2 */
122 	{ 0x5C, 0x00 }, /* 5C Equalizer Band 2 Coefficient B2 */
123 	{ 0x5D, 0x00 }, /* 5D Equalizer Band 2 Coefficient B2 */
124 	{ 0x5E, 0x00 }, /* 5E Equalizer Band 2 Coefficient A1 */
125 	{ 0x5F, 0x00 }, /* 5F Equalizer Band 2 Coefficient A1 */
126 
127 	{ 0x60, 0x00 }, /* 60 Equalizer Band 2 Coefficient A1 */
128 	{ 0x61, 0x00 }, /* 61 Equalizer Band 2 Coefficient A2 */
129 	{ 0x62, 0x00 }, /* 62 Equalizer Band 2 Coefficient A2 */
130 	{ 0x63, 0x00 }, /* 63 Equalizer Band 2 Coefficient A2 */
131 	{ 0x64, 0x00 }, /* 64 Equalizer Band 3 Coefficient B0 */
132 	{ 0x65, 0x00 }, /* 65 Equalizer Band 3 Coefficient B0 */
133 	{ 0x66, 0x00 }, /* 66 Equalizer Band 3 Coefficient B0 */
134 	{ 0x67, 0x00 }, /* 67 Equalizer Band 3 Coefficient B1 */
135 	{ 0x68, 0x00 }, /* 68 Equalizer Band 3 Coefficient B1 */
136 	{ 0x69, 0x00 }, /* 69 Equalizer Band 3 Coefficient B1 */
137 	{ 0x6A, 0x00 }, /* 6A Equalizer Band 3 Coefficient B2 */
138 	{ 0x6B, 0x00 }, /* 6B Equalizer Band 3 Coefficient B2 */
139 	{ 0x6C, 0x00 }, /* 6C Equalizer Band 3 Coefficient B2 */
140 	{ 0x6D, 0x00 }, /* 6D Equalizer Band 3 Coefficient A1 */
141 	{ 0x6E, 0x00 }, /* 6E Equalizer Band 3 Coefficient A1 */
142 	{ 0x6F, 0x00 }, /* 6F Equalizer Band 3 Coefficient A1 */
143 
144 	{ 0x70, 0x00 }, /* 70 Equalizer Band 3 Coefficient A2 */
145 	{ 0x71, 0x00 }, /* 71 Equalizer Band 3 Coefficient A2 */
146 	{ 0x72, 0x00 }, /* 72 Equalizer Band 3 Coefficient A2 */
147 	{ 0x73, 0x00 }, /* 73 Equalizer Band 4 Coefficient B0 */
148 	{ 0x74, 0x00 }, /* 74 Equalizer Band 4 Coefficient B0 */
149 	{ 0x75, 0x00 }, /* 75 Equalizer Band 4 Coefficient B0 */
150 	{ 0x76, 0x00 }, /* 76 Equalizer Band 4 Coefficient B1 */
151 	{ 0x77, 0x00 }, /* 77 Equalizer Band 4 Coefficient B1 */
152 	{ 0x78, 0x00 }, /* 78 Equalizer Band 4 Coefficient B1 */
153 	{ 0x79, 0x00 }, /* 79 Equalizer Band 4 Coefficient B2 */
154 	{ 0x7A, 0x00 }, /* 7A Equalizer Band 4 Coefficient B2 */
155 	{ 0x7B, 0x00 }, /* 7B Equalizer Band 4 Coefficient B2 */
156 	{ 0x7C, 0x00 }, /* 7C Equalizer Band 4 Coefficient A1 */
157 	{ 0x7D, 0x00 }, /* 7D Equalizer Band 4 Coefficient A1 */
158 	{ 0x7E, 0x00 }, /* 7E Equalizer Band 4 Coefficient A1 */
159 	{ 0x7F, 0x00 }, /* 7F Equalizer Band 4 Coefficient A2 */
160 
161 	{ 0x80, 0x00 }, /* 80 Equalizer Band 4 Coefficient A2 */
162 	{ 0x81, 0x00 }, /* 81 Equalizer Band 4 Coefficient A2 */
163 	{ 0x82, 0x00 }, /* 82 Equalizer Band 5 Coefficient B0 */
164 	{ 0x83, 0x00 }, /* 83 Equalizer Band 5 Coefficient B0 */
165 	{ 0x84, 0x00 }, /* 84 Equalizer Band 5 Coefficient B0 */
166 	{ 0x85, 0x00 }, /* 85 Equalizer Band 5 Coefficient B1 */
167 	{ 0x86, 0x00 }, /* 86 Equalizer Band 5 Coefficient B1 */
168 	{ 0x87, 0x00 }, /* 87 Equalizer Band 5 Coefficient B1 */
169 	{ 0x88, 0x00 }, /* 88 Equalizer Band 5 Coefficient B2 */
170 	{ 0x89, 0x00 }, /* 89 Equalizer Band 5 Coefficient B2 */
171 	{ 0x8A, 0x00 }, /* 8A Equalizer Band 5 Coefficient B2 */
172 	{ 0x8B, 0x00 }, /* 8B Equalizer Band 5 Coefficient A1 */
173 	{ 0x8C, 0x00 }, /* 8C Equalizer Band 5 Coefficient A1 */
174 	{ 0x8D, 0x00 }, /* 8D Equalizer Band 5 Coefficient A1 */
175 	{ 0x8E, 0x00 }, /* 8E Equalizer Band 5 Coefficient A2 */
176 	{ 0x8F, 0x00 }, /* 8F Equalizer Band 5 Coefficient A2 */
177 
178 	{ 0x90, 0x00 }, /* 90 Equalizer Band 5 Coefficient A2 */
179 	{ 0x91, 0x00 }, /* 91 Equalizer Band 6 Coefficient B0 */
180 	{ 0x92, 0x00 }, /* 92 Equalizer Band 6 Coefficient B0 */
181 	{ 0x93, 0x00 }, /* 93 Equalizer Band 6 Coefficient B0 */
182 	{ 0x94, 0x00 }, /* 94 Equalizer Band 6 Coefficient B1 */
183 	{ 0x95, 0x00 }, /* 95 Equalizer Band 6 Coefficient B1 */
184 	{ 0x96, 0x00 }, /* 96 Equalizer Band 6 Coefficient B1 */
185 	{ 0x97, 0x00 }, /* 97 Equalizer Band 6 Coefficient B2 */
186 	{ 0x98, 0x00 }, /* 98 Equalizer Band 6 Coefficient B2 */
187 	{ 0x99, 0x00 }, /* 99 Equalizer Band 6 Coefficient B2 */
188 	{ 0x9A, 0x00 }, /* 9A Equalizer Band 6 Coefficient A1 */
189 	{ 0x9B, 0x00 }, /* 9B Equalizer Band 6 Coefficient A1 */
190 	{ 0x9C, 0x00 }, /* 9C Equalizer Band 6 Coefficient A1 */
191 	{ 0x9D, 0x00 }, /* 9D Equalizer Band 6 Coefficient A2 */
192 	{ 0x9E, 0x00 }, /* 9E Equalizer Band 6 Coefficient A2 */
193 	{ 0x9F, 0x00 }, /* 9F Equalizer Band 6 Coefficient A2 */
194 
195 	{ 0xA0, 0x00 }, /* A0 Equalizer Band 7 Coefficient B0 */
196 	{ 0xA1, 0x00 }, /* A1 Equalizer Band 7 Coefficient B0 */
197 	{ 0xA2, 0x00 }, /* A2 Equalizer Band 7 Coefficient B0 */
198 	{ 0xA3, 0x00 }, /* A3 Equalizer Band 7 Coefficient B1 */
199 	{ 0xA4, 0x00 }, /* A4 Equalizer Band 7 Coefficient B1 */
200 	{ 0xA5, 0x00 }, /* A5 Equalizer Band 7 Coefficient B1 */
201 	{ 0xA6, 0x00 }, /* A6 Equalizer Band 7 Coefficient B2 */
202 	{ 0xA7, 0x00 }, /* A7 Equalizer Band 7 Coefficient B2 */
203 	{ 0xA8, 0x00 }, /* A8 Equalizer Band 7 Coefficient B2 */
204 	{ 0xA9, 0x00 }, /* A9 Equalizer Band 7 Coefficient A1 */
205 	{ 0xAA, 0x00 }, /* AA Equalizer Band 7 Coefficient A1 */
206 	{ 0xAB, 0x00 }, /* AB Equalizer Band 7 Coefficient A1 */
207 	{ 0xAC, 0x00 }, /* AC Equalizer Band 7 Coefficient A2 */
208 	{ 0xAD, 0x00 }, /* AD Equalizer Band 7 Coefficient A2 */
209 	{ 0xAE, 0x00 }, /* AE Equalizer Band 7 Coefficient A2 */
210 	{ 0xAF, 0x00 }, /* AF ADC Biquad Coefficient B0 */
211 
212 	{ 0xB0, 0x00 }, /* B0 ADC Biquad Coefficient B0 */
213 	{ 0xB1, 0x00 }, /* B1 ADC Biquad Coefficient B0 */
214 	{ 0xB2, 0x00 }, /* B2 ADC Biquad Coefficient B1 */
215 	{ 0xB3, 0x00 }, /* B3 ADC Biquad Coefficient B1 */
216 	{ 0xB4, 0x00 }, /* B4 ADC Biquad Coefficient B1 */
217 	{ 0xB5, 0x00 }, /* B5 ADC Biquad Coefficient B2 */
218 	{ 0xB6, 0x00 }, /* B6 ADC Biquad Coefficient B2 */
219 	{ 0xB7, 0x00 }, /* B7 ADC Biquad Coefficient B2 */
220 	{ 0xB8, 0x00 }, /* B8 ADC Biquad Coefficient A1 */
221 	{ 0xB9, 0x00 }, /* B9 ADC Biquad Coefficient A1 */
222 	{ 0xBA, 0x00 }, /* BA ADC Biquad Coefficient A1 */
223 	{ 0xBB, 0x00 }, /* BB ADC Biquad Coefficient A2 */
224 	{ 0xBC, 0x00 }, /* BC ADC Biquad Coefficient A2 */
225 	{ 0xBD, 0x00 }, /* BD ADC Biquad Coefficient A2 */
226 	{ 0xBE, 0x00 }, /* BE Digital Mic 3 Volume */
227 	{ 0xBF, 0x00 }, /* BF Digital Mic 4 Volume */
228 
229 	{ 0xC0, 0x00 }, /* C0 Digital Mic 34 Biquad Pre Atten */
230 	{ 0xC1, 0x00 }, /* C1 Record TDM Slot */
231 	{ 0xC2, 0x00 }, /* C2 Sample Rate */
232 	{ 0xC3, 0x00 }, /* C3 Digital Mic 34 Biquad Coefficient C3 */
233 	{ 0xC4, 0x00 }, /* C4 Digital Mic 34 Biquad Coefficient C4 */
234 	{ 0xC5, 0x00 }, /* C5 Digital Mic 34 Biquad Coefficient C5 */
235 	{ 0xC6, 0x00 }, /* C6 Digital Mic 34 Biquad Coefficient C6 */
236 	{ 0xC7, 0x00 }, /* C7 Digital Mic 34 Biquad Coefficient C7 */
237 	{ 0xC8, 0x00 }, /* C8 Digital Mic 34 Biquad Coefficient C8 */
238 	{ 0xC9, 0x00 }, /* C9 Digital Mic 34 Biquad Coefficient C9 */
239 	{ 0xCA, 0x00 }, /* CA Digital Mic 34 Biquad Coefficient CA */
240 	{ 0xCB, 0x00 }, /* CB Digital Mic 34 Biquad Coefficient CB */
241 	{ 0xCC, 0x00 }, /* CC Digital Mic 34 Biquad Coefficient CC */
242 	{ 0xCD, 0x00 }, /* CD Digital Mic 34 Biquad Coefficient CD */
243 	{ 0xCE, 0x00 }, /* CE Digital Mic 34 Biquad Coefficient CE */
244 	{ 0xCF, 0x00 }, /* CF Digital Mic 34 Biquad Coefficient CF */
245 
246 	{ 0xD0, 0x00 }, /* D0 Digital Mic 34 Biquad Coefficient D0 */
247 	{ 0xD1, 0x00 }, /* D1 Digital Mic 34 Biquad Coefficient D1 */
248 };
249 
max98090_volatile_register(struct device * dev,unsigned int reg)250 static bool max98090_volatile_register(struct device *dev, unsigned int reg)
251 {
252 	switch (reg) {
253 	case M98090_REG_SOFTWARE_RESET:
254 	case M98090_REG_DEVICE_STATUS:
255 	case M98090_REG_JACK_STATUS:
256 	case M98090_REG_REVISION_ID:
257 		return true;
258 	default:
259 		return false;
260 	}
261 }
262 
max98090_readable_register(struct device * dev,unsigned int reg)263 static bool max98090_readable_register(struct device *dev, unsigned int reg)
264 {
265 	switch (reg) {
266 	case M98090_REG_DEVICE_STATUS ... M98090_REG_INTERRUPT_S:
267 	case M98090_REG_LINE_INPUT_CONFIG ... 0xD1:
268 	case M98090_REG_REVISION_ID:
269 		return true;
270 	default:
271 		return false;
272 	}
273 }
274 
max98090_reset(struct max98090_priv * max98090)275 static int max98090_reset(struct max98090_priv *max98090)
276 {
277 	int ret;
278 
279 	/* Reset the codec by writing to this write-only reset register */
280 	ret = regmap_write(max98090->regmap, M98090_REG_SOFTWARE_RESET,
281 		M98090_SWRESET_MASK);
282 	if (ret < 0) {
283 		dev_err(max98090->component->dev,
284 			"Failed to reset codec: %d\n", ret);
285 		return ret;
286 	}
287 
288 	msleep(20);
289 	return ret;
290 }
291 
292 static const DECLARE_TLV_DB_RANGE(max98090_micboost_tlv,
293 	0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
294 	2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0)
295 );
296 
297 static const DECLARE_TLV_DB_SCALE(max98090_mic_tlv, 0, 100, 0);
298 
299 static const DECLARE_TLV_DB_SCALE(max98090_line_single_ended_tlv,
300 	-600, 600, 0);
301 
302 static const DECLARE_TLV_DB_RANGE(max98090_line_tlv,
303 	0, 3, TLV_DB_SCALE_ITEM(-600, 300, 0),
304 	4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0)
305 );
306 
307 static const DECLARE_TLV_DB_SCALE(max98090_avg_tlv, 0, 600, 0);
308 static const DECLARE_TLV_DB_SCALE(max98090_av_tlv, -1200, 100, 0);
309 
310 static const DECLARE_TLV_DB_SCALE(max98090_dvg_tlv, 0, 600, 0);
311 static const DECLARE_TLV_DB_SCALE(max98090_dv_tlv, -1500, 100, 0);
312 
313 static const DECLARE_TLV_DB_SCALE(max98090_alcmakeup_tlv, 0, 100, 0);
314 static const DECLARE_TLV_DB_SCALE(max98090_alccomp_tlv, -3100, 100, 0);
315 static const DECLARE_TLV_DB_SCALE(max98090_drcexp_tlv, -6600, 100, 0);
316 static const DECLARE_TLV_DB_SCALE(max98090_sdg_tlv, 50, 200, 0);
317 
318 static const DECLARE_TLV_DB_RANGE(max98090_mixout_tlv,
319 	0, 1, TLV_DB_SCALE_ITEM(-1200, 250, 0),
320 	2, 3, TLV_DB_SCALE_ITEM(-600, 600, 0)
321 );
322 
323 static const DECLARE_TLV_DB_RANGE(max98090_hp_tlv,
324 	0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
325 	7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
326 	15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
327 	22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
328 	28, 31, TLV_DB_SCALE_ITEM(150, 50, 0)
329 );
330 
331 static const DECLARE_TLV_DB_RANGE(max98090_spk_tlv,
332 	0, 4, TLV_DB_SCALE_ITEM(-4800, 400, 0),
333 	5, 10, TLV_DB_SCALE_ITEM(-2900, 300, 0),
334 	11, 14, TLV_DB_SCALE_ITEM(-1200, 200, 0),
335 	15, 29, TLV_DB_SCALE_ITEM(-500, 100, 0),
336 	30, 39, TLV_DB_SCALE_ITEM(950, 50, 0)
337 );
338 
339 static const DECLARE_TLV_DB_RANGE(max98090_rcv_lout_tlv,
340 	0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
341 	7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
342 	15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
343 	22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
344 	28, 31, TLV_DB_SCALE_ITEM(650, 50, 0)
345 );
346 
max98090_get_enab_tlv(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)347 static int max98090_get_enab_tlv(struct snd_kcontrol *kcontrol,
348 				struct snd_ctl_elem_value *ucontrol)
349 {
350 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
351 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
352 	struct soc_mixer_control *mc =
353 		(struct soc_mixer_control *)kcontrol->private_value;
354 	unsigned int mask = (1 << fls(mc->max)) - 1;
355 	unsigned int val = snd_soc_component_read(component, mc->reg);
356 	unsigned int *select;
357 
358 	switch (mc->reg) {
359 	case M98090_REG_MIC1_INPUT_LEVEL:
360 		select = &(max98090->pa1en);
361 		break;
362 	case M98090_REG_MIC2_INPUT_LEVEL:
363 		select = &(max98090->pa2en);
364 		break;
365 	case M98090_REG_ADC_SIDETONE:
366 		select = &(max98090->sidetone);
367 		break;
368 	default:
369 		return -EINVAL;
370 	}
371 
372 	val = (val >> mc->shift) & mask;
373 
374 	if (val >= 1) {
375 		/* If on, return the volume */
376 		val = val - 1;
377 		*select = val;
378 	} else {
379 		/* If off, return last stored value */
380 		val = *select;
381 	}
382 
383 	ucontrol->value.integer.value[0] = val;
384 	return 0;
385 }
386 
max98090_put_enab_tlv(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)387 static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
388 				struct snd_ctl_elem_value *ucontrol)
389 {
390 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
391 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
392 	struct soc_mixer_control *mc =
393 		(struct soc_mixer_control *)kcontrol->private_value;
394 	unsigned int mask = (1 << fls(mc->max)) - 1;
395 	int sel_unchecked = ucontrol->value.integer.value[0];
396 	unsigned int sel;
397 	unsigned int val = snd_soc_component_read(component, mc->reg);
398 	unsigned int *select;
399 	int change;
400 
401 	switch (mc->reg) {
402 	case M98090_REG_MIC1_INPUT_LEVEL:
403 		select = &(max98090->pa1en);
404 		break;
405 	case M98090_REG_MIC2_INPUT_LEVEL:
406 		select = &(max98090->pa2en);
407 		break;
408 	case M98090_REG_ADC_SIDETONE:
409 		select = &(max98090->sidetone);
410 		break;
411 	default:
412 		return -EINVAL;
413 	}
414 
415 	val = (val >> mc->shift) & mask;
416 
417 	if (sel_unchecked < 0 || sel_unchecked > mc->max)
418 		return -EINVAL;
419 	sel = sel_unchecked;
420 
421 	change = *select != sel;
422 	*select = sel;
423 
424 	/* Setting a volume is only valid if it is already On */
425 	if (val >= 1) {
426 		sel = sel + 1;
427 	} else {
428 		/* Write what was already there */
429 		sel = val;
430 	}
431 
432 	snd_soc_component_update_bits(component, mc->reg,
433 		mask << mc->shift,
434 		sel << mc->shift);
435 
436 	return change;
437 }
438 
439 static const char *max98090_perf_pwr_text[] =
440 	{ "High Performance", "Low Power" };
441 static const char *max98090_pwr_perf_text[] =
442 	{ "Low Power", "High Performance" };
443 
444 static SOC_ENUM_SINGLE_DECL(max98090_vcmbandgap_enum,
445 			    M98090_REG_BIAS_CONTROL,
446 			    M98090_VCM_MODE_SHIFT,
447 			    max98090_pwr_perf_text);
448 
449 static const char *max98090_osr128_text[] = { "64*fs", "128*fs" };
450 
451 static SOC_ENUM_SINGLE_DECL(max98090_osr128_enum,
452 			    M98090_REG_ADC_CONTROL,
453 			    M98090_OSR128_SHIFT,
454 			    max98090_osr128_text);
455 
456 static const char *max98090_mode_text[] = { "Voice", "Music" };
457 
458 static SOC_ENUM_SINGLE_DECL(max98090_mode_enum,
459 			    M98090_REG_FILTER_CONFIG,
460 			    M98090_MODE_SHIFT,
461 			    max98090_mode_text);
462 
463 static SOC_ENUM_SINGLE_DECL(max98090_filter_dmic34mode_enum,
464 			    M98090_REG_FILTER_CONFIG,
465 			    M98090_FLT_DMIC34MODE_SHIFT,
466 			    max98090_mode_text);
467 
468 static const char *max98090_drcatk_text[] =
469 	{ "0.5ms", "1ms", "5ms", "10ms", "25ms", "50ms", "100ms", "200ms" };
470 
471 static SOC_ENUM_SINGLE_DECL(max98090_drcatk_enum,
472 			    M98090_REG_DRC_TIMING,
473 			    M98090_DRCATK_SHIFT,
474 			    max98090_drcatk_text);
475 
476 static const char *max98090_drcrls_text[] =
477 	{ "8s", "4s", "2s", "1s", "0.5s", "0.25s", "0.125s", "0.0625s" };
478 
479 static SOC_ENUM_SINGLE_DECL(max98090_drcrls_enum,
480 			    M98090_REG_DRC_TIMING,
481 			    M98090_DRCRLS_SHIFT,
482 			    max98090_drcrls_text);
483 
484 static const char *max98090_alccmp_text[] =
485 	{ "1:1", "1:1.5", "1:2", "1:4", "1:INF" };
486 
487 static SOC_ENUM_SINGLE_DECL(max98090_alccmp_enum,
488 			    M98090_REG_DRC_COMPRESSOR,
489 			    M98090_DRCCMP_SHIFT,
490 			    max98090_alccmp_text);
491 
492 static const char *max98090_drcexp_text[] = { "1:1", "2:1", "3:1" };
493 
494 static SOC_ENUM_SINGLE_DECL(max98090_drcexp_enum,
495 			    M98090_REG_DRC_EXPANDER,
496 			    M98090_DRCEXP_SHIFT,
497 			    max98090_drcexp_text);
498 
499 static SOC_ENUM_SINGLE_DECL(max98090_dac_perfmode_enum,
500 			    M98090_REG_DAC_CONTROL,
501 			    M98090_PERFMODE_SHIFT,
502 			    max98090_perf_pwr_text);
503 
504 static SOC_ENUM_SINGLE_DECL(max98090_dachp_enum,
505 			    M98090_REG_DAC_CONTROL,
506 			    M98090_DACHP_SHIFT,
507 			    max98090_pwr_perf_text);
508 
509 static SOC_ENUM_SINGLE_DECL(max98090_adchp_enum,
510 			    M98090_REG_ADC_CONTROL,
511 			    M98090_ADCHP_SHIFT,
512 			    max98090_pwr_perf_text);
513 
514 static const struct snd_kcontrol_new max98090_snd_controls[] = {
515 	SOC_ENUM("MIC Bias VCM Bandgap", max98090_vcmbandgap_enum),
516 
517 	SOC_SINGLE("DMIC MIC Comp Filter Config", M98090_REG_DIGITAL_MIC_CONFIG,
518 		M98090_DMIC_COMP_SHIFT, M98090_DMIC_COMP_NUM - 1, 0),
519 
520 	SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
521 		M98090_REG_MIC1_INPUT_LEVEL, M98090_MIC_PA1EN_SHIFT,
522 		M98090_MIC_PA1EN_NUM - 1, 0, max98090_get_enab_tlv,
523 		max98090_put_enab_tlv, max98090_micboost_tlv),
524 
525 	SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
526 		M98090_REG_MIC2_INPUT_LEVEL, M98090_MIC_PA2EN_SHIFT,
527 		M98090_MIC_PA2EN_NUM - 1, 0, max98090_get_enab_tlv,
528 		max98090_put_enab_tlv, max98090_micboost_tlv),
529 
530 	SOC_SINGLE_TLV("MIC1 Volume", M98090_REG_MIC1_INPUT_LEVEL,
531 		M98090_MIC_PGAM1_SHIFT, M98090_MIC_PGAM1_NUM - 1, 1,
532 		max98090_mic_tlv),
533 
534 	SOC_SINGLE_TLV("MIC2 Volume", M98090_REG_MIC2_INPUT_LEVEL,
535 		M98090_MIC_PGAM2_SHIFT, M98090_MIC_PGAM2_NUM - 1, 1,
536 		max98090_mic_tlv),
537 
538 	SOC_SINGLE_RANGE_TLV("LINEA Single Ended Volume",
539 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG135_SHIFT, 0,
540 		M98090_MIXG135_NUM - 1, 1, max98090_line_single_ended_tlv),
541 
542 	SOC_SINGLE_RANGE_TLV("LINEB Single Ended Volume",
543 		M98090_REG_LINE_INPUT_LEVEL, M98090_MIXG246_SHIFT, 0,
544 		M98090_MIXG246_NUM - 1, 1, max98090_line_single_ended_tlv),
545 
546 	SOC_SINGLE_RANGE_TLV("LINEA Volume", M98090_REG_LINE_INPUT_LEVEL,
547 		M98090_LINAPGA_SHIFT, 0, M98090_LINAPGA_NUM - 1, 1,
548 		max98090_line_tlv),
549 
550 	SOC_SINGLE_RANGE_TLV("LINEB Volume", M98090_REG_LINE_INPUT_LEVEL,
551 		M98090_LINBPGA_SHIFT, 0, M98090_LINBPGA_NUM - 1, 1,
552 		max98090_line_tlv),
553 
554 	SOC_SINGLE("LINEA Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
555 		M98090_EXTBUFA_SHIFT, M98090_EXTBUFA_NUM - 1, 0),
556 	SOC_SINGLE("LINEB Ext Resistor Gain Mode", M98090_REG_INPUT_MODE,
557 		M98090_EXTBUFB_SHIFT, M98090_EXTBUFB_NUM - 1, 0),
558 
559 	SOC_SINGLE_TLV("ADCL Boost Volume", M98090_REG_LEFT_ADC_LEVEL,
560 		M98090_AVLG_SHIFT, M98090_AVLG_NUM - 1, 0,
561 		max98090_avg_tlv),
562 	SOC_SINGLE_TLV("ADCR Boost Volume", M98090_REG_RIGHT_ADC_LEVEL,
563 		M98090_AVRG_SHIFT, M98090_AVLG_NUM - 1, 0,
564 		max98090_avg_tlv),
565 
566 	SOC_SINGLE_TLV("ADCL Volume", M98090_REG_LEFT_ADC_LEVEL,
567 		M98090_AVL_SHIFT, M98090_AVL_NUM - 1, 1,
568 		max98090_av_tlv),
569 	SOC_SINGLE_TLV("ADCR Volume", M98090_REG_RIGHT_ADC_LEVEL,
570 		M98090_AVR_SHIFT, M98090_AVR_NUM - 1, 1,
571 		max98090_av_tlv),
572 
573 	SOC_ENUM("ADC Oversampling Rate", max98090_osr128_enum),
574 	SOC_SINGLE("ADC Quantizer Dither", M98090_REG_ADC_CONTROL,
575 		M98090_ADCDITHER_SHIFT, M98090_ADCDITHER_NUM - 1, 0),
576 	SOC_ENUM("ADC High Performance Mode", max98090_adchp_enum),
577 
578 	SOC_SINGLE("DAC Mono Mode", M98090_REG_IO_CONFIGURATION,
579 		M98090_DMONO_SHIFT, M98090_DMONO_NUM - 1, 0),
580 	SOC_SINGLE("SDIN Mode", M98090_REG_IO_CONFIGURATION,
581 		M98090_SDIEN_SHIFT, M98090_SDIEN_NUM - 1, 0),
582 	SOC_SINGLE("SDOUT Mode", M98090_REG_IO_CONFIGURATION,
583 		M98090_SDOEN_SHIFT, M98090_SDOEN_NUM - 1, 0),
584 	SOC_SINGLE("SDOUT Hi-Z Mode", M98090_REG_IO_CONFIGURATION,
585 		M98090_HIZOFF_SHIFT, M98090_HIZOFF_NUM - 1, 1),
586 	SOC_ENUM("Filter Mode", max98090_mode_enum),
587 	SOC_SINGLE("Record Path DC Blocking", M98090_REG_FILTER_CONFIG,
588 		M98090_AHPF_SHIFT, M98090_AHPF_NUM - 1, 0),
589 	SOC_SINGLE("Playback Path DC Blocking", M98090_REG_FILTER_CONFIG,
590 		M98090_DHPF_SHIFT, M98090_DHPF_NUM - 1, 0),
591 	SOC_SINGLE_TLV("Digital BQ Volume", M98090_REG_ADC_BIQUAD_LEVEL,
592 		M98090_AVBQ_SHIFT, M98090_AVBQ_NUM - 1, 1, max98090_dv_tlv),
593 	SOC_SINGLE_EXT_TLV("Digital Sidetone Volume",
594 		M98090_REG_ADC_SIDETONE, M98090_DVST_SHIFT,
595 		M98090_DVST_NUM - 1, 1, max98090_get_enab_tlv,
596 		max98090_put_enab_tlv, max98090_sdg_tlv),
597 	SOC_SINGLE_TLV("Digital Coarse Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
598 		M98090_DVG_SHIFT, M98090_DVG_NUM - 1, 0,
599 		max98090_dvg_tlv),
600 	SOC_SINGLE_TLV("Digital Volume", M98090_REG_DAI_PLAYBACK_LEVEL,
601 		M98090_DV_SHIFT, M98090_DV_NUM - 1, 1,
602 		max98090_dv_tlv),
603 	SND_SOC_BYTES("EQ Coefficients", M98090_REG_EQUALIZER_BASE, 105),
604 	SOC_SINGLE("Digital EQ 3 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
605 		M98090_EQ3BANDEN_SHIFT, M98090_EQ3BANDEN_NUM - 1, 0),
606 	SOC_SINGLE("Digital EQ 5 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
607 		M98090_EQ5BANDEN_SHIFT, M98090_EQ5BANDEN_NUM - 1, 0),
608 	SOC_SINGLE("Digital EQ 7 Band Switch", M98090_REG_DSP_FILTER_ENABLE,
609 		M98090_EQ7BANDEN_SHIFT, M98090_EQ7BANDEN_NUM - 1, 0),
610 	SOC_SINGLE("Digital EQ Clipping Detection", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
611 		M98090_EQCLPN_SHIFT, M98090_EQCLPN_NUM - 1,
612 		1),
613 	SOC_SINGLE_TLV("Digital EQ Volume", M98090_REG_DAI_PLAYBACK_LEVEL_EQ,
614 		M98090_DVEQ_SHIFT, M98090_DVEQ_NUM - 1, 1,
615 		max98090_dv_tlv),
616 
617 	SOC_SINGLE("ALC Enable", M98090_REG_DRC_TIMING,
618 		M98090_DRCEN_SHIFT, M98090_DRCEN_NUM - 1, 0),
619 	SOC_ENUM("ALC Attack Time", max98090_drcatk_enum),
620 	SOC_ENUM("ALC Release Time", max98090_drcrls_enum),
621 	SOC_SINGLE_TLV("ALC Make Up Volume", M98090_REG_DRC_GAIN,
622 		M98090_DRCG_SHIFT, M98090_DRCG_NUM - 1, 0,
623 		max98090_alcmakeup_tlv),
624 	SOC_ENUM("ALC Compression Ratio", max98090_alccmp_enum),
625 	SOC_ENUM("ALC Expansion Ratio", max98090_drcexp_enum),
626 	SOC_SINGLE_TLV("ALC Compression Threshold Volume",
627 		M98090_REG_DRC_COMPRESSOR, M98090_DRCTHC_SHIFT,
628 		M98090_DRCTHC_NUM - 1, 1, max98090_alccomp_tlv),
629 	SOC_SINGLE_TLV("ALC Expansion Threshold Volume",
630 		M98090_REG_DRC_EXPANDER, M98090_DRCTHE_SHIFT,
631 		M98090_DRCTHE_NUM - 1, 1, max98090_drcexp_tlv),
632 
633 	SOC_ENUM("DAC HP Playback Performance Mode",
634 		max98090_dac_perfmode_enum),
635 	SOC_ENUM("DAC High Performance Mode", max98090_dachp_enum),
636 
637 	SOC_SINGLE_TLV("Headphone Left Mixer Volume",
638 		M98090_REG_HP_CONTROL, M98090_MIXHPLG_SHIFT,
639 		M98090_MIXHPLG_NUM - 1, 1, max98090_mixout_tlv),
640 	SOC_SINGLE_TLV("Headphone Right Mixer Volume",
641 		M98090_REG_HP_CONTROL, M98090_MIXHPRG_SHIFT,
642 		M98090_MIXHPRG_NUM - 1, 1, max98090_mixout_tlv),
643 
644 	SOC_SINGLE_TLV("Speaker Left Mixer Volume",
645 		M98090_REG_SPK_CONTROL, M98090_MIXSPLG_SHIFT,
646 		M98090_MIXSPLG_NUM - 1, 1, max98090_mixout_tlv),
647 	SOC_SINGLE_TLV("Speaker Right Mixer Volume",
648 		M98090_REG_SPK_CONTROL, M98090_MIXSPRG_SHIFT,
649 		M98090_MIXSPRG_NUM - 1, 1, max98090_mixout_tlv),
650 
651 	SOC_SINGLE_TLV("Receiver Left Mixer Volume",
652 		M98090_REG_RCV_LOUTL_CONTROL, M98090_MIXRCVLG_SHIFT,
653 		M98090_MIXRCVLG_NUM - 1, 1, max98090_mixout_tlv),
654 	SOC_SINGLE_TLV("Receiver Right Mixer Volume",
655 		M98090_REG_LOUTR_CONTROL, M98090_MIXRCVRG_SHIFT,
656 		M98090_MIXRCVRG_NUM - 1, 1, max98090_mixout_tlv),
657 
658 	SOC_DOUBLE_R_TLV("Headphone Volume", M98090_REG_LEFT_HP_VOLUME,
659 		M98090_REG_RIGHT_HP_VOLUME, M98090_HPVOLL_SHIFT,
660 		M98090_HPVOLL_NUM - 1, 0, max98090_hp_tlv),
661 
662 	SOC_DOUBLE_R_RANGE_TLV("Speaker Volume",
663 		M98090_REG_LEFT_SPK_VOLUME, M98090_REG_RIGHT_SPK_VOLUME,
664 		M98090_SPVOLL_SHIFT, 24, M98090_SPVOLL_NUM - 1 + 24,
665 		0, max98090_spk_tlv),
666 
667 	SOC_DOUBLE_R_TLV("Receiver Volume", M98090_REG_RCV_LOUTL_VOLUME,
668 		M98090_REG_LOUTR_VOLUME, M98090_RCVLVOL_SHIFT,
669 		M98090_RCVLVOL_NUM - 1, 0, max98090_rcv_lout_tlv),
670 
671 	SOC_SINGLE("Headphone Left Switch", M98090_REG_LEFT_HP_VOLUME,
672 		M98090_HPLM_SHIFT, 1, 1),
673 	SOC_SINGLE("Headphone Right Switch", M98090_REG_RIGHT_HP_VOLUME,
674 		M98090_HPRM_SHIFT, 1, 1),
675 
676 	SOC_SINGLE("Speaker Left Switch", M98090_REG_LEFT_SPK_VOLUME,
677 		M98090_SPLM_SHIFT, 1, 1),
678 	SOC_SINGLE("Speaker Right Switch", M98090_REG_RIGHT_SPK_VOLUME,
679 		M98090_SPRM_SHIFT, 1, 1),
680 
681 	SOC_SINGLE("Receiver Left Switch", M98090_REG_RCV_LOUTL_VOLUME,
682 		M98090_RCVLM_SHIFT, 1, 1),
683 	SOC_SINGLE("Receiver Right Switch", M98090_REG_LOUTR_VOLUME,
684 		M98090_RCVRM_SHIFT, 1, 1),
685 
686 	SOC_SINGLE("Zero-Crossing Detection", M98090_REG_LEVEL_CONTROL,
687 		M98090_ZDENN_SHIFT, M98090_ZDENN_NUM - 1, 1),
688 	SOC_SINGLE("Enhanced Vol Smoothing", M98090_REG_LEVEL_CONTROL,
689 		M98090_VS2ENN_SHIFT, M98090_VS2ENN_NUM - 1, 1),
690 	SOC_SINGLE("Volume Adjustment Smoothing", M98090_REG_LEVEL_CONTROL,
691 		M98090_VSENN_SHIFT, M98090_VSENN_NUM - 1, 1),
692 
693 	SND_SOC_BYTES("Biquad Coefficients", M98090_REG_RECORD_BIQUAD_BASE, 15),
694 	SOC_SINGLE("Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
695 		M98090_ADCBQEN_SHIFT, M98090_ADCBQEN_NUM - 1, 0),
696 };
697 
698 static const struct snd_kcontrol_new max98091_snd_controls[] = {
699 
700 	SOC_SINGLE("DMIC34 Zeropad", M98090_REG_SAMPLE_RATE,
701 		M98090_DMIC34_ZEROPAD_SHIFT,
702 		M98090_DMIC34_ZEROPAD_NUM - 1, 0),
703 
704 	SOC_ENUM("Filter DMIC34 Mode", max98090_filter_dmic34mode_enum),
705 	SOC_SINGLE("DMIC34 DC Blocking", M98090_REG_FILTER_CONFIG,
706 		M98090_FLT_DMIC34HPF_SHIFT,
707 		M98090_FLT_DMIC34HPF_NUM - 1, 0),
708 
709 	SOC_SINGLE_TLV("DMIC3 Boost Volume", M98090_REG_DMIC3_VOLUME,
710 		M98090_DMIC_AV3G_SHIFT, M98090_DMIC_AV3G_NUM - 1, 0,
711 		max98090_avg_tlv),
712 	SOC_SINGLE_TLV("DMIC4 Boost Volume", M98090_REG_DMIC4_VOLUME,
713 		M98090_DMIC_AV4G_SHIFT, M98090_DMIC_AV4G_NUM - 1, 0,
714 		max98090_avg_tlv),
715 
716 	SOC_SINGLE_TLV("DMIC3 Volume", M98090_REG_DMIC3_VOLUME,
717 		M98090_DMIC_AV3_SHIFT, M98090_DMIC_AV3_NUM - 1, 1,
718 		max98090_av_tlv),
719 	SOC_SINGLE_TLV("DMIC4 Volume", M98090_REG_DMIC4_VOLUME,
720 		M98090_DMIC_AV4_SHIFT, M98090_DMIC_AV4_NUM - 1, 1,
721 		max98090_av_tlv),
722 
723 	SND_SOC_BYTES("DMIC34 Biquad Coefficients",
724 		M98090_REG_DMIC34_BIQUAD_BASE, 15),
725 	SOC_SINGLE("DMIC34 Biquad Switch", M98090_REG_DSP_FILTER_ENABLE,
726 		M98090_DMIC34BQEN_SHIFT, M98090_DMIC34BQEN_NUM - 1, 0),
727 
728 	SOC_SINGLE_TLV("DMIC34 BQ PreAttenuation Volume",
729 		M98090_REG_DMIC34_BQ_PREATTEN, M98090_AV34BQ_SHIFT,
730 		M98090_AV34BQ_NUM - 1, 1, max98090_dv_tlv),
731 };
732 
max98090_micinput_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)733 static int max98090_micinput_event(struct snd_soc_dapm_widget *w,
734 				 struct snd_kcontrol *kcontrol, int event)
735 {
736 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
737 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
738 
739 	unsigned int val = snd_soc_component_read(component, w->reg);
740 
741 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
742 		val = (val & M98090_MIC_PA1EN_MASK) >> M98090_MIC_PA1EN_SHIFT;
743 	else
744 		val = (val & M98090_MIC_PA2EN_MASK) >> M98090_MIC_PA2EN_SHIFT;
745 
746 	if (val >= 1) {
747 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL) {
748 			max98090->pa1en = val - 1; /* Update for volatile */
749 		} else {
750 			max98090->pa2en = val - 1; /* Update for volatile */
751 		}
752 	}
753 
754 	switch (event) {
755 	case SND_SOC_DAPM_POST_PMU:
756 		/* If turning on, set to most recently selected volume */
757 		if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
758 			val = max98090->pa1en + 1;
759 		else
760 			val = max98090->pa2en + 1;
761 		break;
762 	case SND_SOC_DAPM_POST_PMD:
763 		/* If turning off, turn off */
764 		val = 0;
765 		break;
766 	default:
767 		return -EINVAL;
768 	}
769 
770 	if (w->reg == M98090_REG_MIC1_INPUT_LEVEL)
771 		snd_soc_component_update_bits(component, w->reg, M98090_MIC_PA1EN_MASK,
772 			val << M98090_MIC_PA1EN_SHIFT);
773 	else
774 		snd_soc_component_update_bits(component, w->reg, M98090_MIC_PA2EN_MASK,
775 			val << M98090_MIC_PA2EN_SHIFT);
776 
777 	return 0;
778 }
779 
max98090_shdn_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)780 static int max98090_shdn_event(struct snd_soc_dapm_widget *w,
781 				 struct snd_kcontrol *kcontrol, int event)
782 {
783 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
784 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
785 
786 	if (event & SND_SOC_DAPM_POST_PMU)
787 		max98090->shdn_pending = true;
788 
789 	return 0;
790 
791 }
792 
793 static const char *mic1_mux_text[] = { "IN12", "IN56" };
794 
795 static SOC_ENUM_SINGLE_DECL(mic1_mux_enum,
796 			    M98090_REG_INPUT_MODE,
797 			    M98090_EXTMIC1_SHIFT,
798 			    mic1_mux_text);
799 
800 static const struct snd_kcontrol_new max98090_mic1_mux =
801 	SOC_DAPM_ENUM("MIC1 Mux", mic1_mux_enum);
802 
803 static const char *mic2_mux_text[] = { "IN34", "IN56" };
804 
805 static SOC_ENUM_SINGLE_DECL(mic2_mux_enum,
806 			    M98090_REG_INPUT_MODE,
807 			    M98090_EXTMIC2_SHIFT,
808 			    mic2_mux_text);
809 
810 static const struct snd_kcontrol_new max98090_mic2_mux =
811 	SOC_DAPM_ENUM("MIC2 Mux", mic2_mux_enum);
812 
813 static const char *dmic_mux_text[] = { "ADC", "DMIC" };
814 
815 static SOC_ENUM_SINGLE_VIRT_DECL(dmic_mux_enum, dmic_mux_text);
816 
817 static const struct snd_kcontrol_new max98090_dmic_mux =
818 	SOC_DAPM_ENUM("DMIC Mux", dmic_mux_enum);
819 
820 static const char * const dmic_mX_mux_text[] = { "Enable", "Disable" };
821 
822 static SOC_ENUM_SINGLE_VIRT_DECL(dmic_m1_enum, dmic_mX_mux_text);
823 static const struct snd_kcontrol_new max98090_dmic_m1_mux =
824 	SOC_DAPM_ENUM("DMIC M1 Mux", dmic_m1_enum);
825 
826 static SOC_ENUM_SINGLE_VIRT_DECL(dmic_m2_enum, dmic_mX_mux_text);
827 static const struct snd_kcontrol_new max98090_dmic_m2_mux =
828 	SOC_DAPM_ENUM("DMIC M2 Mux", dmic_m2_enum);
829 
830 /* LINEA mixer switch */
831 static const struct snd_kcontrol_new max98090_linea_mixer_controls[] = {
832 	SOC_DAPM_SINGLE("IN1 Switch", M98090_REG_LINE_INPUT_CONFIG,
833 		M98090_IN1SEEN_SHIFT, 1, 0),
834 	SOC_DAPM_SINGLE("IN3 Switch", M98090_REG_LINE_INPUT_CONFIG,
835 		M98090_IN3SEEN_SHIFT, 1, 0),
836 	SOC_DAPM_SINGLE("IN5 Switch", M98090_REG_LINE_INPUT_CONFIG,
837 		M98090_IN5SEEN_SHIFT, 1, 0),
838 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LINE_INPUT_CONFIG,
839 		M98090_IN34DIFF_SHIFT, 1, 0),
840 };
841 
842 /* LINEB mixer switch */
843 static const struct snd_kcontrol_new max98090_lineb_mixer_controls[] = {
844 	SOC_DAPM_SINGLE("IN2 Switch", M98090_REG_LINE_INPUT_CONFIG,
845 		M98090_IN2SEEN_SHIFT, 1, 0),
846 	SOC_DAPM_SINGLE("IN4 Switch", M98090_REG_LINE_INPUT_CONFIG,
847 		M98090_IN4SEEN_SHIFT, 1, 0),
848 	SOC_DAPM_SINGLE("IN6 Switch", M98090_REG_LINE_INPUT_CONFIG,
849 		M98090_IN6SEEN_SHIFT, 1, 0),
850 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LINE_INPUT_CONFIG,
851 		M98090_IN56DIFF_SHIFT, 1, 0),
852 };
853 
854 /* Left ADC mixer switch */
855 static const struct snd_kcontrol_new max98090_left_adc_mixer_controls[] = {
856 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_LEFT_ADC_MIXER,
857 		M98090_MIXADL_IN12DIFF_SHIFT, 1, 0),
858 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_LEFT_ADC_MIXER,
859 		M98090_MIXADL_IN34DIFF_SHIFT, 1, 0),
860 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_LEFT_ADC_MIXER,
861 		M98090_MIXADL_IN65DIFF_SHIFT, 1, 0),
862 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_ADC_MIXER,
863 		M98090_MIXADL_LINEA_SHIFT, 1, 0),
864 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_ADC_MIXER,
865 		M98090_MIXADL_LINEB_SHIFT, 1, 0),
866 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_ADC_MIXER,
867 		M98090_MIXADL_MIC1_SHIFT, 1, 0),
868 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_ADC_MIXER,
869 		M98090_MIXADL_MIC2_SHIFT, 1, 0),
870 };
871 
872 /* Right ADC mixer switch */
873 static const struct snd_kcontrol_new max98090_right_adc_mixer_controls[] = {
874 	SOC_DAPM_SINGLE("IN12 Switch", M98090_REG_RIGHT_ADC_MIXER,
875 		M98090_MIXADR_IN12DIFF_SHIFT, 1, 0),
876 	SOC_DAPM_SINGLE("IN34 Switch", M98090_REG_RIGHT_ADC_MIXER,
877 		M98090_MIXADR_IN34DIFF_SHIFT, 1, 0),
878 	SOC_DAPM_SINGLE("IN56 Switch", M98090_REG_RIGHT_ADC_MIXER,
879 		M98090_MIXADR_IN65DIFF_SHIFT, 1, 0),
880 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_ADC_MIXER,
881 		M98090_MIXADR_LINEA_SHIFT, 1, 0),
882 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_ADC_MIXER,
883 		M98090_MIXADR_LINEB_SHIFT, 1, 0),
884 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_ADC_MIXER,
885 		M98090_MIXADR_MIC1_SHIFT, 1, 0),
886 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_ADC_MIXER,
887 		M98090_MIXADR_MIC2_SHIFT, 1, 0),
888 };
889 
890 static const char *lten_mux_text[] = { "Normal", "Loopthrough" };
891 
892 static SOC_ENUM_SINGLE_DECL(ltenl_mux_enum,
893 			    M98090_REG_IO_CONFIGURATION,
894 			    M98090_LTEN_SHIFT,
895 			    lten_mux_text);
896 
897 static SOC_ENUM_SINGLE_DECL(ltenr_mux_enum,
898 			    M98090_REG_IO_CONFIGURATION,
899 			    M98090_LTEN_SHIFT,
900 			    lten_mux_text);
901 
902 static const struct snd_kcontrol_new max98090_ltenl_mux =
903 	SOC_DAPM_ENUM("LTENL Mux", ltenl_mux_enum);
904 
905 static const struct snd_kcontrol_new max98090_ltenr_mux =
906 	SOC_DAPM_ENUM("LTENR Mux", ltenr_mux_enum);
907 
908 static const char *lben_mux_text[] = { "Normal", "Loopback" };
909 
910 static SOC_ENUM_SINGLE_DECL(lbenl_mux_enum,
911 			    M98090_REG_IO_CONFIGURATION,
912 			    M98090_LBEN_SHIFT,
913 			    lben_mux_text);
914 
915 static SOC_ENUM_SINGLE_DECL(lbenr_mux_enum,
916 			    M98090_REG_IO_CONFIGURATION,
917 			    M98090_LBEN_SHIFT,
918 			    lben_mux_text);
919 
920 static const struct snd_kcontrol_new max98090_lbenl_mux =
921 	SOC_DAPM_ENUM("LBENL Mux", lbenl_mux_enum);
922 
923 static const struct snd_kcontrol_new max98090_lbenr_mux =
924 	SOC_DAPM_ENUM("LBENR Mux", lbenr_mux_enum);
925 
926 static const char *stenl_mux_text[] = { "Normal", "Sidetone Left" };
927 
928 static const char *stenr_mux_text[] = { "Normal", "Sidetone Right" };
929 
930 static SOC_ENUM_SINGLE_DECL(stenl_mux_enum,
931 			    M98090_REG_ADC_SIDETONE,
932 			    M98090_DSTSL_SHIFT,
933 			    stenl_mux_text);
934 
935 static SOC_ENUM_SINGLE_DECL(stenr_mux_enum,
936 			    M98090_REG_ADC_SIDETONE,
937 			    M98090_DSTSR_SHIFT,
938 			    stenr_mux_text);
939 
940 static const struct snd_kcontrol_new max98090_stenl_mux =
941 	SOC_DAPM_ENUM("STENL Mux", stenl_mux_enum);
942 
943 static const struct snd_kcontrol_new max98090_stenr_mux =
944 	SOC_DAPM_ENUM("STENR Mux", stenr_mux_enum);
945 
946 /* Left speaker mixer switch */
947 static const struct
948 	snd_kcontrol_new max98090_left_speaker_mixer_controls[] = {
949 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_SPK_MIXER,
950 		M98090_MIXSPL_DACL_SHIFT, 1, 0),
951 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_SPK_MIXER,
952 		M98090_MIXSPL_DACR_SHIFT, 1, 0),
953 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_SPK_MIXER,
954 		M98090_MIXSPL_LINEA_SHIFT, 1, 0),
955 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_SPK_MIXER,
956 		M98090_MIXSPL_LINEB_SHIFT, 1, 0),
957 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_SPK_MIXER,
958 		M98090_MIXSPL_MIC1_SHIFT, 1, 0),
959 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_SPK_MIXER,
960 		M98090_MIXSPL_MIC2_SHIFT, 1, 0),
961 };
962 
963 /* Right speaker mixer switch */
964 static const struct
965 	snd_kcontrol_new max98090_right_speaker_mixer_controls[] = {
966 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
967 		M98090_MIXSPR_DACL_SHIFT, 1, 0),
968 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_SPK_MIXER,
969 		M98090_MIXSPR_DACR_SHIFT, 1, 0),
970 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_SPK_MIXER,
971 		M98090_MIXSPR_LINEA_SHIFT, 1, 0),
972 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_SPK_MIXER,
973 		M98090_MIXSPR_LINEB_SHIFT, 1, 0),
974 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_SPK_MIXER,
975 		M98090_MIXSPR_MIC1_SHIFT, 1, 0),
976 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_SPK_MIXER,
977 		M98090_MIXSPR_MIC2_SHIFT, 1, 0),
978 };
979 
980 /* Left headphone mixer switch */
981 static const struct snd_kcontrol_new max98090_left_hp_mixer_controls[] = {
982 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LEFT_HP_MIXER,
983 		M98090_MIXHPL_DACL_SHIFT, 1, 0),
984 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LEFT_HP_MIXER,
985 		M98090_MIXHPL_DACR_SHIFT, 1, 0),
986 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LEFT_HP_MIXER,
987 		M98090_MIXHPL_LINEA_SHIFT, 1, 0),
988 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LEFT_HP_MIXER,
989 		M98090_MIXHPL_LINEB_SHIFT, 1, 0),
990 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LEFT_HP_MIXER,
991 		M98090_MIXHPL_MIC1_SHIFT, 1, 0),
992 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LEFT_HP_MIXER,
993 		M98090_MIXHPL_MIC2_SHIFT, 1, 0),
994 };
995 
996 /* Right headphone mixer switch */
997 static const struct snd_kcontrol_new max98090_right_hp_mixer_controls[] = {
998 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RIGHT_HP_MIXER,
999 		M98090_MIXHPR_DACL_SHIFT, 1, 0),
1000 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RIGHT_HP_MIXER,
1001 		M98090_MIXHPR_DACR_SHIFT, 1, 0),
1002 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RIGHT_HP_MIXER,
1003 		M98090_MIXHPR_LINEA_SHIFT, 1, 0),
1004 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RIGHT_HP_MIXER,
1005 		M98090_MIXHPR_LINEB_SHIFT, 1, 0),
1006 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RIGHT_HP_MIXER,
1007 		M98090_MIXHPR_MIC1_SHIFT, 1, 0),
1008 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RIGHT_HP_MIXER,
1009 		M98090_MIXHPR_MIC2_SHIFT, 1, 0),
1010 };
1011 
1012 /* Left receiver mixer switch */
1013 static const struct snd_kcontrol_new max98090_left_rcv_mixer_controls[] = {
1014 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1015 		M98090_MIXRCVL_DACL_SHIFT, 1, 0),
1016 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_RCV_LOUTL_MIXER,
1017 		M98090_MIXRCVL_DACR_SHIFT, 1, 0),
1018 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_RCV_LOUTL_MIXER,
1019 		M98090_MIXRCVL_LINEA_SHIFT, 1, 0),
1020 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_RCV_LOUTL_MIXER,
1021 		M98090_MIXRCVL_LINEB_SHIFT, 1, 0),
1022 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_RCV_LOUTL_MIXER,
1023 		M98090_MIXRCVL_MIC1_SHIFT, 1, 0),
1024 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_RCV_LOUTL_MIXER,
1025 		M98090_MIXRCVL_MIC2_SHIFT, 1, 0),
1026 };
1027 
1028 /* Right receiver mixer switch */
1029 static const struct snd_kcontrol_new max98090_right_rcv_mixer_controls[] = {
1030 	SOC_DAPM_SINGLE("Left DAC Switch", M98090_REG_LOUTR_MIXER,
1031 		M98090_MIXRCVR_DACL_SHIFT, 1, 0),
1032 	SOC_DAPM_SINGLE("Right DAC Switch", M98090_REG_LOUTR_MIXER,
1033 		M98090_MIXRCVR_DACR_SHIFT, 1, 0),
1034 	SOC_DAPM_SINGLE("LINEA Switch", M98090_REG_LOUTR_MIXER,
1035 		M98090_MIXRCVR_LINEA_SHIFT, 1, 0),
1036 	SOC_DAPM_SINGLE("LINEB Switch", M98090_REG_LOUTR_MIXER,
1037 		M98090_MIXRCVR_LINEB_SHIFT, 1, 0),
1038 	SOC_DAPM_SINGLE("MIC1 Switch", M98090_REG_LOUTR_MIXER,
1039 		M98090_MIXRCVR_MIC1_SHIFT, 1, 0),
1040 	SOC_DAPM_SINGLE("MIC2 Switch", M98090_REG_LOUTR_MIXER,
1041 		M98090_MIXRCVR_MIC2_SHIFT, 1, 0),
1042 };
1043 
1044 static const char *linmod_mux_text[] = { "Left Only", "Left and Right" };
1045 
1046 static SOC_ENUM_SINGLE_DECL(linmod_mux_enum,
1047 			    M98090_REG_LOUTR_MIXER,
1048 			    M98090_LINMOD_SHIFT,
1049 			    linmod_mux_text);
1050 
1051 static const struct snd_kcontrol_new max98090_linmod_mux =
1052 	SOC_DAPM_ENUM("LINMOD Mux", linmod_mux_enum);
1053 
1054 static const char *mixhpsel_mux_text[] = { "DAC Only", "HP Mixer" };
1055 
1056 /*
1057  * This is a mux as it selects the HP output, but to DAPM it is a Mixer enable
1058  */
1059 static SOC_ENUM_SINGLE_DECL(mixhplsel_mux_enum,
1060 			    M98090_REG_HP_CONTROL,
1061 			    M98090_MIXHPLSEL_SHIFT,
1062 			    mixhpsel_mux_text);
1063 
1064 static const struct snd_kcontrol_new max98090_mixhplsel_mux =
1065 	SOC_DAPM_ENUM("MIXHPLSEL Mux", mixhplsel_mux_enum);
1066 
1067 static SOC_ENUM_SINGLE_DECL(mixhprsel_mux_enum,
1068 			    M98090_REG_HP_CONTROL,
1069 			    M98090_MIXHPRSEL_SHIFT,
1070 			    mixhpsel_mux_text);
1071 
1072 static const struct snd_kcontrol_new max98090_mixhprsel_mux =
1073 	SOC_DAPM_ENUM("MIXHPRSEL Mux", mixhprsel_mux_enum);
1074 
1075 static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = {
1076 	SND_SOC_DAPM_INPUT("MIC1"),
1077 	SND_SOC_DAPM_INPUT("MIC2"),
1078 	SND_SOC_DAPM_INPUT("DMICL"),
1079 	SND_SOC_DAPM_INPUT("DMICR"),
1080 	SND_SOC_DAPM_INPUT("IN1"),
1081 	SND_SOC_DAPM_INPUT("IN2"),
1082 	SND_SOC_DAPM_INPUT("IN3"),
1083 	SND_SOC_DAPM_INPUT("IN4"),
1084 	SND_SOC_DAPM_INPUT("IN5"),
1085 	SND_SOC_DAPM_INPUT("IN6"),
1086 	SND_SOC_DAPM_INPUT("IN12"),
1087 	SND_SOC_DAPM_INPUT("IN34"),
1088 	SND_SOC_DAPM_INPUT("IN56"),
1089 
1090 	SND_SOC_DAPM_SUPPLY("MICBIAS", M98090_REG_INPUT_ENABLE,
1091 		M98090_MBEN_SHIFT, 0, NULL, 0),
1092 	SND_SOC_DAPM_SUPPLY("SHDN", M98090_REG_DEVICE_SHUTDOWN,
1093 		M98090_SHDNN_SHIFT, 0, NULL, 0),
1094 	SND_SOC_DAPM_SUPPLY("SDIEN", M98090_REG_IO_CONFIGURATION,
1095 		M98090_SDIEN_SHIFT, 0, NULL, 0),
1096 	SND_SOC_DAPM_SUPPLY("SDOEN", M98090_REG_IO_CONFIGURATION,
1097 		M98090_SDOEN_SHIFT, 0, NULL, 0),
1098 	SND_SOC_DAPM_SUPPLY("DMICL_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1099 		 M98090_DIGMICL_SHIFT, 0, max98090_shdn_event,
1100 			SND_SOC_DAPM_POST_PMU),
1101 	SND_SOC_DAPM_SUPPLY("DMICR_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1102 		 M98090_DIGMICR_SHIFT, 0, max98090_shdn_event,
1103 			 SND_SOC_DAPM_POST_PMU),
1104 	SND_SOC_DAPM_SUPPLY("AHPF", M98090_REG_FILTER_CONFIG,
1105 		M98090_AHPF_SHIFT, 0, NULL, 0),
1106 
1107 /*
1108  * Note: Sysclk and misc power supplies are taken care of by SHDN
1109  */
1110 
1111 	SND_SOC_DAPM_MUX("MIC1 Mux", SND_SOC_NOPM,
1112 		0, 0, &max98090_mic1_mux),
1113 
1114 	SND_SOC_DAPM_MUX("MIC2 Mux", SND_SOC_NOPM,
1115 		0, 0, &max98090_mic2_mux),
1116 
1117 	SND_SOC_DAPM_MUX("DMIC Mux", SND_SOC_NOPM, 0, 0, &max98090_dmic_mux),
1118 
1119 	SND_SOC_DAPM_MUX("DMIC M1 Mux", SND_SOC_NOPM, 0, 0,
1120 		&max98090_dmic_m1_mux),
1121 
1122 	SND_SOC_DAPM_PGA_E("MIC1 Input", M98090_REG_MIC1_INPUT_LEVEL,
1123 		M98090_MIC_PA1EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1124 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1125 
1126 	SND_SOC_DAPM_PGA_E("MIC2 Input", M98090_REG_MIC2_INPUT_LEVEL,
1127 		M98090_MIC_PA2EN_SHIFT, 0, NULL, 0, max98090_micinput_event,
1128 		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1129 
1130 	SND_SOC_DAPM_MIXER("LINEA Mixer", SND_SOC_NOPM, 0, 0,
1131 		&max98090_linea_mixer_controls[0],
1132 		ARRAY_SIZE(max98090_linea_mixer_controls)),
1133 
1134 	SND_SOC_DAPM_MIXER("LINEB Mixer", SND_SOC_NOPM, 0, 0,
1135 		&max98090_lineb_mixer_controls[0],
1136 		ARRAY_SIZE(max98090_lineb_mixer_controls)),
1137 
1138 	SND_SOC_DAPM_PGA("LINEA Input", M98090_REG_INPUT_ENABLE,
1139 		M98090_LINEAEN_SHIFT, 0, NULL, 0),
1140 	SND_SOC_DAPM_PGA("LINEB Input", M98090_REG_INPUT_ENABLE,
1141 		M98090_LINEBEN_SHIFT, 0, NULL, 0),
1142 
1143 	SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
1144 		&max98090_left_adc_mixer_controls[0],
1145 		ARRAY_SIZE(max98090_left_adc_mixer_controls)),
1146 
1147 	SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
1148 		&max98090_right_adc_mixer_controls[0],
1149 		ARRAY_SIZE(max98090_right_adc_mixer_controls)),
1150 
1151 	SND_SOC_DAPM_ADC_E("ADCL", NULL, M98090_REG_INPUT_ENABLE,
1152 		M98090_ADLEN_SHIFT, 0, max98090_shdn_event,
1153 		SND_SOC_DAPM_POST_PMU),
1154 	SND_SOC_DAPM_ADC_E("ADCR", NULL, M98090_REG_INPUT_ENABLE,
1155 		M98090_ADREN_SHIFT, 0, max98090_shdn_event,
1156 		SND_SOC_DAPM_POST_PMU),
1157 
1158 	SND_SOC_DAPM_AIF_OUT("AIFOUTL", "HiFi Capture", 0,
1159 		SND_SOC_NOPM, 0, 0),
1160 	SND_SOC_DAPM_AIF_OUT("AIFOUTR", "HiFi Capture", 0,
1161 		SND_SOC_NOPM, 0, 0),
1162 
1163 	SND_SOC_DAPM_MUX("LBENL Mux", SND_SOC_NOPM,
1164 		0, 0, &max98090_lbenl_mux),
1165 
1166 	SND_SOC_DAPM_MUX("LBENR Mux", SND_SOC_NOPM,
1167 		0, 0, &max98090_lbenr_mux),
1168 
1169 	SND_SOC_DAPM_MUX("LTENL Mux", SND_SOC_NOPM,
1170 		0, 0, &max98090_ltenl_mux),
1171 
1172 	SND_SOC_DAPM_MUX("LTENR Mux", SND_SOC_NOPM,
1173 		0, 0, &max98090_ltenr_mux),
1174 
1175 	SND_SOC_DAPM_MUX("STENL Mux", SND_SOC_NOPM,
1176 		0, 0, &max98090_stenl_mux),
1177 
1178 	SND_SOC_DAPM_MUX("STENR Mux", SND_SOC_NOPM,
1179 		0, 0, &max98090_stenr_mux),
1180 
1181 	SND_SOC_DAPM_AIF_IN("AIFINL", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
1182 	SND_SOC_DAPM_AIF_IN("AIFINR", "HiFi Playback", 1, SND_SOC_NOPM, 0, 0),
1183 
1184 	SND_SOC_DAPM_DAC("DACL", NULL, M98090_REG_OUTPUT_ENABLE,
1185 		M98090_DALEN_SHIFT, 0),
1186 	SND_SOC_DAPM_DAC("DACR", NULL, M98090_REG_OUTPUT_ENABLE,
1187 		M98090_DAREN_SHIFT, 0),
1188 
1189 	SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
1190 		&max98090_left_hp_mixer_controls[0],
1191 		ARRAY_SIZE(max98090_left_hp_mixer_controls)),
1192 
1193 	SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
1194 		&max98090_right_hp_mixer_controls[0],
1195 		ARRAY_SIZE(max98090_right_hp_mixer_controls)),
1196 
1197 	SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
1198 		&max98090_left_speaker_mixer_controls[0],
1199 		ARRAY_SIZE(max98090_left_speaker_mixer_controls)),
1200 
1201 	SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
1202 		&max98090_right_speaker_mixer_controls[0],
1203 		ARRAY_SIZE(max98090_right_speaker_mixer_controls)),
1204 
1205 	SND_SOC_DAPM_MIXER("Left Receiver Mixer", SND_SOC_NOPM, 0, 0,
1206 		&max98090_left_rcv_mixer_controls[0],
1207 		ARRAY_SIZE(max98090_left_rcv_mixer_controls)),
1208 
1209 	SND_SOC_DAPM_MIXER("Right Receiver Mixer", SND_SOC_NOPM, 0, 0,
1210 		&max98090_right_rcv_mixer_controls[0],
1211 		ARRAY_SIZE(max98090_right_rcv_mixer_controls)),
1212 
1213 	SND_SOC_DAPM_MUX("LINMOD Mux", SND_SOC_NOPM, 0, 0,
1214 		&max98090_linmod_mux),
1215 
1216 	SND_SOC_DAPM_MUX("MIXHPLSEL Mux", SND_SOC_NOPM, 0, 0,
1217 		&max98090_mixhplsel_mux),
1218 
1219 	SND_SOC_DAPM_MUX("MIXHPRSEL Mux", SND_SOC_NOPM, 0, 0,
1220 		&max98090_mixhprsel_mux),
1221 
1222 	SND_SOC_DAPM_PGA("HP Left Out", M98090_REG_OUTPUT_ENABLE,
1223 		M98090_HPLEN_SHIFT, 0, NULL, 0),
1224 	SND_SOC_DAPM_PGA("HP Right Out", M98090_REG_OUTPUT_ENABLE,
1225 		M98090_HPREN_SHIFT, 0, NULL, 0),
1226 
1227 	SND_SOC_DAPM_PGA("SPK Left Out", M98090_REG_OUTPUT_ENABLE,
1228 		M98090_SPLEN_SHIFT, 0, NULL, 0),
1229 	SND_SOC_DAPM_PGA("SPK Right Out", M98090_REG_OUTPUT_ENABLE,
1230 		M98090_SPREN_SHIFT, 0, NULL, 0),
1231 
1232 	SND_SOC_DAPM_PGA("RCV Left Out", M98090_REG_OUTPUT_ENABLE,
1233 		M98090_RCVLEN_SHIFT, 0, NULL, 0),
1234 	SND_SOC_DAPM_PGA("RCV Right Out", M98090_REG_OUTPUT_ENABLE,
1235 		M98090_RCVREN_SHIFT, 0, NULL, 0),
1236 
1237 	SND_SOC_DAPM_OUTPUT("HPL"),
1238 	SND_SOC_DAPM_OUTPUT("HPR"),
1239 	SND_SOC_DAPM_OUTPUT("SPKL"),
1240 	SND_SOC_DAPM_OUTPUT("SPKR"),
1241 	SND_SOC_DAPM_OUTPUT("RCVL"),
1242 	SND_SOC_DAPM_OUTPUT("RCVR"),
1243 };
1244 
1245 static const struct snd_soc_dapm_widget max98091_dapm_widgets[] = {
1246 	SND_SOC_DAPM_INPUT("DMIC3"),
1247 	SND_SOC_DAPM_INPUT("DMIC4"),
1248 
1249 	SND_SOC_DAPM_SUPPLY("DMIC3_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1250 		 M98090_DIGMIC3_SHIFT, 0, max98090_shdn_event,
1251 			SND_SOC_DAPM_POST_PMU),
1252 	SND_SOC_DAPM_SUPPLY("DMIC4_ENA", M98090_REG_DIGITAL_MIC_ENABLE,
1253 		 M98090_DIGMIC4_SHIFT, 0, max98090_shdn_event,
1254 			 SND_SOC_DAPM_POST_PMU),
1255 	SND_SOC_DAPM_SUPPLY("DMIC34_HPF", M98090_REG_FILTER_CONFIG,
1256 		M98090_FLT_DMIC34HPF_SHIFT, 0, NULL, 0),
1257 
1258 	SND_SOC_DAPM_MUX("DMIC M2 Mux", SND_SOC_NOPM, 0, 0,
1259 		&max98090_dmic_m2_mux),
1260 
1261 	SND_SOC_DAPM_AIF_OUT("AIFOUT2L", "HiFi Capture", 0,
1262 		SND_SOC_NOPM, 0, 0),
1263 	SND_SOC_DAPM_AIF_OUT("AIFOUT2R", "HiFi Capture", 0,
1264 		SND_SOC_NOPM, 0, 0),
1265 };
1266 
1267 static const struct snd_soc_dapm_route max98090_dapm_routes[] = {
1268 	{"MIC1 Input", NULL, "MIC1"},
1269 	{"MIC2 Input", NULL, "MIC2"},
1270 
1271 	{"DMICL", NULL, "DMICL_ENA"},
1272 	{"DMICL", NULL, "DMICR_ENA"},
1273 	{"DMICR", NULL, "DMICL_ENA"},
1274 	{"DMICR", NULL, "DMICR_ENA"},
1275 	{"DMICL", NULL, "AHPF"},
1276 	{"DMICR", NULL, "AHPF"},
1277 
1278 	/* MIC1 input mux */
1279 	{"MIC1 Mux", "IN12", "IN12"},
1280 	{"MIC1 Mux", "IN56", "IN56"},
1281 
1282 	/* MIC2 input mux */
1283 	{"MIC2 Mux", "IN34", "IN34"},
1284 	{"MIC2 Mux", "IN56", "IN56"},
1285 
1286 	{"MIC1 Input", NULL, "MIC1 Mux"},
1287 	{"MIC2 Input", NULL, "MIC2 Mux"},
1288 
1289 	/* Left ADC input mixer */
1290 	{"Left ADC Mixer", "IN12 Switch", "IN12"},
1291 	{"Left ADC Mixer", "IN34 Switch", "IN34"},
1292 	{"Left ADC Mixer", "IN56 Switch", "IN56"},
1293 	{"Left ADC Mixer", "LINEA Switch", "LINEA Input"},
1294 	{"Left ADC Mixer", "LINEB Switch", "LINEB Input"},
1295 	{"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1296 	{"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1297 
1298 	/* Right ADC input mixer */
1299 	{"Right ADC Mixer", "IN12 Switch", "IN12"},
1300 	{"Right ADC Mixer", "IN34 Switch", "IN34"},
1301 	{"Right ADC Mixer", "IN56 Switch", "IN56"},
1302 	{"Right ADC Mixer", "LINEA Switch", "LINEA Input"},
1303 	{"Right ADC Mixer", "LINEB Switch", "LINEB Input"},
1304 	{"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
1305 	{"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
1306 
1307 	/* Line A input mixer */
1308 	{"LINEA Mixer", "IN1 Switch", "IN1"},
1309 	{"LINEA Mixer", "IN3 Switch", "IN3"},
1310 	{"LINEA Mixer", "IN5 Switch", "IN5"},
1311 	{"LINEA Mixer", "IN34 Switch", "IN34"},
1312 
1313 	/* Line B input mixer */
1314 	{"LINEB Mixer", "IN2 Switch", "IN2"},
1315 	{"LINEB Mixer", "IN4 Switch", "IN4"},
1316 	{"LINEB Mixer", "IN6 Switch", "IN6"},
1317 	{"LINEB Mixer", "IN56 Switch", "IN56"},
1318 
1319 	{"LINEA Input", NULL, "LINEA Mixer"},
1320 	{"LINEB Input", NULL, "LINEB Mixer"},
1321 
1322 	/* Inputs */
1323 	{"ADCL", NULL, "Left ADC Mixer"},
1324 	{"ADCR", NULL, "Right ADC Mixer"},
1325 	{"ADCL", NULL, "SHDN"},
1326 	{"ADCR", NULL, "SHDN"},
1327 
1328 	{"DMIC M1 Mux", "Enable", "DMICL"},
1329 	{"DMIC M1 Mux", "Enable", "DMICR"},
1330 
1331 	{"DMIC Mux", "ADC", "ADCL"},
1332 	{"DMIC Mux", "ADC", "ADCR"},
1333 	{"DMIC Mux", "DMIC", "DMIC M1 Mux"},
1334 
1335 	{"LBENL Mux", "Normal", "DMIC Mux"},
1336 	{"LBENL Mux", "Loopback", "LTENL Mux"},
1337 	{"LBENR Mux", "Normal", "DMIC Mux"},
1338 	{"LBENR Mux", "Loopback", "LTENR Mux"},
1339 
1340 	{"AIFOUTL", NULL, "LBENL Mux"},
1341 	{"AIFOUTR", NULL, "LBENR Mux"},
1342 	{"AIFOUTL", NULL, "SHDN"},
1343 	{"AIFOUTR", NULL, "SHDN"},
1344 	{"AIFOUTL", NULL, "SDOEN"},
1345 	{"AIFOUTR", NULL, "SDOEN"},
1346 
1347 	{"LTENL Mux", "Normal", "AIFINL"},
1348 	{"LTENL Mux", "Loopthrough", "LBENL Mux"},
1349 	{"LTENR Mux", "Normal", "AIFINR"},
1350 	{"LTENR Mux", "Loopthrough", "LBENR Mux"},
1351 
1352 	{"DACL", NULL, "LTENL Mux"},
1353 	{"DACR", NULL, "LTENR Mux"},
1354 
1355 	{"STENL Mux", "Sidetone Left", "ADCL"},
1356 	{"STENL Mux", "Sidetone Left", "DMICL"},
1357 	{"STENR Mux", "Sidetone Right", "ADCR"},
1358 	{"STENR Mux", "Sidetone Right", "DMICR"},
1359 	{"DACL", NULL, "STENL Mux"},
1360 	{"DACR", NULL, "STENR Mux"},
1361 
1362 	{"AIFINL", NULL, "SHDN"},
1363 	{"AIFINR", NULL, "SHDN"},
1364 	{"AIFINL", NULL, "SDIEN"},
1365 	{"AIFINR", NULL, "SDIEN"},
1366 	{"DACL", NULL, "SHDN"},
1367 	{"DACR", NULL, "SHDN"},
1368 
1369 	/* Left headphone output mixer */
1370 	{"Left Headphone Mixer", "Left DAC Switch", "DACL"},
1371 	{"Left Headphone Mixer", "Right DAC Switch", "DACR"},
1372 	{"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1373 	{"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1374 	{"Left Headphone Mixer", "LINEA Switch", "LINEA Input"},
1375 	{"Left Headphone Mixer", "LINEB Switch", "LINEB Input"},
1376 
1377 	/* Right headphone output mixer */
1378 	{"Right Headphone Mixer", "Left DAC Switch", "DACL"},
1379 	{"Right Headphone Mixer", "Right DAC Switch", "DACR"},
1380 	{"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
1381 	{"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
1382 	{"Right Headphone Mixer", "LINEA Switch", "LINEA Input"},
1383 	{"Right Headphone Mixer", "LINEB Switch", "LINEB Input"},
1384 
1385 	/* Left speaker output mixer */
1386 	{"Left Speaker Mixer", "Left DAC Switch", "DACL"},
1387 	{"Left Speaker Mixer", "Right DAC Switch", "DACR"},
1388 	{"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1389 	{"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1390 	{"Left Speaker Mixer", "LINEA Switch", "LINEA Input"},
1391 	{"Left Speaker Mixer", "LINEB Switch", "LINEB Input"},
1392 
1393 	/* Right speaker output mixer */
1394 	{"Right Speaker Mixer", "Left DAC Switch", "DACL"},
1395 	{"Right Speaker Mixer", "Right DAC Switch", "DACR"},
1396 	{"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
1397 	{"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
1398 	{"Right Speaker Mixer", "LINEA Switch", "LINEA Input"},
1399 	{"Right Speaker Mixer", "LINEB Switch", "LINEB Input"},
1400 
1401 	/* Left Receiver output mixer */
1402 	{"Left Receiver Mixer", "Left DAC Switch", "DACL"},
1403 	{"Left Receiver Mixer", "Right DAC Switch", "DACR"},
1404 	{"Left Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1405 	{"Left Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1406 	{"Left Receiver Mixer", "LINEA Switch", "LINEA Input"},
1407 	{"Left Receiver Mixer", "LINEB Switch", "LINEB Input"},
1408 
1409 	/* Right Receiver output mixer */
1410 	{"Right Receiver Mixer", "Left DAC Switch", "DACL"},
1411 	{"Right Receiver Mixer", "Right DAC Switch", "DACR"},
1412 	{"Right Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
1413 	{"Right Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
1414 	{"Right Receiver Mixer", "LINEA Switch", "LINEA Input"},
1415 	{"Right Receiver Mixer", "LINEB Switch", "LINEB Input"},
1416 
1417 	{"MIXHPLSEL Mux", "HP Mixer", "Left Headphone Mixer"},
1418 
1419 	/*
1420 	 * Disable this for lowest power if bypassing
1421 	 * the DAC with an analog signal
1422 	 */
1423 	{"HP Left Out", NULL, "DACL"},
1424 	{"HP Left Out", NULL, "MIXHPLSEL Mux"},
1425 
1426 	{"MIXHPRSEL Mux", "HP Mixer", "Right Headphone Mixer"},
1427 
1428 	/*
1429 	 * Disable this for lowest power if bypassing
1430 	 * the DAC with an analog signal
1431 	 */
1432 	{"HP Right Out", NULL, "DACR"},
1433 	{"HP Right Out", NULL, "MIXHPRSEL Mux"},
1434 
1435 	{"SPK Left Out", NULL, "Left Speaker Mixer"},
1436 	{"SPK Right Out", NULL, "Right Speaker Mixer"},
1437 	{"RCV Left Out", NULL, "Left Receiver Mixer"},
1438 
1439 	{"LINMOD Mux", "Left and Right", "Right Receiver Mixer"},
1440 	{"LINMOD Mux", "Left Only",  "Left Receiver Mixer"},
1441 	{"RCV Right Out", NULL, "LINMOD Mux"},
1442 
1443 	{"HPL", NULL, "HP Left Out"},
1444 	{"HPR", NULL, "HP Right Out"},
1445 	{"SPKL", NULL, "SPK Left Out"},
1446 	{"SPKR", NULL, "SPK Right Out"},
1447 	{"RCVL", NULL, "RCV Left Out"},
1448 	{"RCVR", NULL, "RCV Right Out"},
1449 };
1450 
1451 static const struct snd_soc_dapm_route max98091_dapm_routes[] = {
1452 	/* DMIC inputs */
1453 	{"DMIC3", NULL, "DMIC3_ENA"},
1454 	{"DMIC4", NULL, "DMIC4_ENA"},
1455 	{"DMIC3", NULL, "DMIC34_HPF"},
1456 	{"DMIC4", NULL, "DMIC34_HPF"},
1457 
1458 	{"DMIC M2 Mux", "Enable", "DMIC3"},
1459 	{"DMIC M2 Mux", "Enable", "DMIC4"},
1460 
1461 	{"AIFOUT2L", NULL, "DMIC M2 Mux"},
1462 	{"AIFOUT2R", NULL, "DMIC M2 Mux"},
1463 	{"AIFOUT2L", NULL, "SHDN"},
1464 	{"AIFOUT2R", NULL, "SHDN"},
1465 	{"AIFOUT2L", NULL, "SDOEN"},
1466 	{"AIFOUT2R", NULL, "SDOEN"},
1467 };
1468 
max98090_add_widgets(struct snd_soc_component * component)1469 static int max98090_add_widgets(struct snd_soc_component *component)
1470 {
1471 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1472 	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
1473 
1474 	snd_soc_add_component_controls(component, max98090_snd_controls,
1475 		ARRAY_SIZE(max98090_snd_controls));
1476 
1477 	if (max98090->devtype == MAX98091) {
1478 		snd_soc_add_component_controls(component, max98091_snd_controls,
1479 			ARRAY_SIZE(max98091_snd_controls));
1480 	}
1481 
1482 	snd_soc_dapm_new_controls(dapm, max98090_dapm_widgets,
1483 		ARRAY_SIZE(max98090_dapm_widgets));
1484 
1485 	snd_soc_dapm_add_routes(dapm, max98090_dapm_routes,
1486 		ARRAY_SIZE(max98090_dapm_routes));
1487 
1488 	if (max98090->devtype == MAX98091) {
1489 		snd_soc_dapm_new_controls(dapm, max98091_dapm_widgets,
1490 			ARRAY_SIZE(max98091_dapm_widgets));
1491 
1492 		snd_soc_dapm_add_routes(dapm, max98091_dapm_routes,
1493 			ARRAY_SIZE(max98091_dapm_routes));
1494 	}
1495 
1496 	return 0;
1497 }
1498 
1499 static const int pclk_rates[] = {
1500 	12000000, 12000000, 13000000, 13000000,
1501 	16000000, 16000000, 19200000, 19200000
1502 };
1503 
1504 static const int lrclk_rates[] = {
1505 	8000, 16000, 8000, 16000,
1506 	8000, 16000, 8000, 16000
1507 };
1508 
1509 static const int user_pclk_rates[] = {
1510 	13000000, 13000000, 19200000, 19200000,
1511 };
1512 
1513 static const int user_lrclk_rates[] = {
1514 	44100, 48000, 44100, 48000,
1515 };
1516 
1517 static const unsigned long long ni_value[] = {
1518 	3528, 768, 441, 8
1519 };
1520 
1521 static const unsigned long long mi_value[] = {
1522 	8125, 1625, 1500, 25
1523 };
1524 
max98090_configure_bclk(struct snd_soc_component * component)1525 static void max98090_configure_bclk(struct snd_soc_component *component)
1526 {
1527 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1528 	unsigned long long ni;
1529 	int i;
1530 
1531 	if (!max98090->sysclk) {
1532 		dev_err(component->dev, "No SYSCLK configured\n");
1533 		return;
1534 	}
1535 
1536 	if (!max98090->bclk || !max98090->lrclk) {
1537 		dev_err(component->dev, "No audio clocks configured\n");
1538 		return;
1539 	}
1540 
1541 	/* Skip configuration when operating as slave */
1542 	if (!(snd_soc_component_read(component, M98090_REG_MASTER_MODE) &
1543 		M98090_MAS_MASK)) {
1544 		return;
1545 	}
1546 
1547 	/* Check for supported PCLK to LRCLK ratios */
1548 	for (i = 0; i < ARRAY_SIZE(pclk_rates); i++) {
1549 		if ((pclk_rates[i] == max98090->sysclk) &&
1550 			(lrclk_rates[i] == max98090->lrclk)) {
1551 			dev_dbg(component->dev,
1552 				"Found supported PCLK to LRCLK rates 0x%x\n",
1553 				i + 0x8);
1554 
1555 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1556 				M98090_FREQ_MASK,
1557 				(i + 0x8) << M98090_FREQ_SHIFT);
1558 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1559 				M98090_USE_M1_MASK, 0);
1560 			return;
1561 		}
1562 	}
1563 
1564 	/* Check for user calculated MI and NI ratios */
1565 	for (i = 0; i < ARRAY_SIZE(user_pclk_rates); i++) {
1566 		if ((user_pclk_rates[i] == max98090->sysclk) &&
1567 			(user_lrclk_rates[i] == max98090->lrclk)) {
1568 			dev_dbg(component->dev,
1569 				"Found user supported PCLK to LRCLK rates\n");
1570 			dev_dbg(component->dev, "i %d ni %lld mi %lld\n",
1571 				i, ni_value[i], mi_value[i]);
1572 
1573 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1574 				M98090_FREQ_MASK, 0);
1575 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1576 				M98090_USE_M1_MASK,
1577 					1 << M98090_USE_M1_SHIFT);
1578 
1579 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_MSB,
1580 				(ni_value[i] >> 8) & 0x7F);
1581 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_LSB,
1582 				ni_value[i] & 0xFF);
1583 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_MI_MSB,
1584 				(mi_value[i] >> 8) & 0x7F);
1585 			snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_MI_LSB,
1586 				mi_value[i] & 0xFF);
1587 
1588 			return;
1589 		}
1590 	}
1591 
1592 	/*
1593 	 * Calculate based on MI = 65536 (not as good as either method above)
1594 	 */
1595 	snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1596 		M98090_FREQ_MASK, 0);
1597 	snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1598 		M98090_USE_M1_MASK, 0);
1599 
1600 	/*
1601 	 * Configure NI when operating as master
1602 	 * Note: There is a small, but significant audio quality improvement
1603 	 * by calculating ni and mi.
1604 	 */
1605 	ni = 65536ULL * (max98090->lrclk < 50000 ? 96ULL : 48ULL)
1606 			* (unsigned long long int)max98090->lrclk;
1607 	do_div(ni, (unsigned long long int)max98090->sysclk);
1608 	dev_info(component->dev, "No better method found\n");
1609 	dev_info(component->dev, "Calculating ni %lld with mi 65536\n", ni);
1610 	snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_MSB,
1611 		(ni >> 8) & 0x7F);
1612 	snd_soc_component_write(component, M98090_REG_CLOCK_RATIO_NI_LSB, ni & 0xFF);
1613 }
1614 
max98090_dai_set_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)1615 static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai,
1616 				 unsigned int fmt)
1617 {
1618 	struct snd_soc_component *component = codec_dai->component;
1619 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1620 	struct max98090_cdata *cdata;
1621 	u8 regval, tdm_regval;
1622 
1623 	max98090->dai_fmt = fmt;
1624 	cdata = &max98090->dai[0];
1625 
1626 	if (fmt != cdata->fmt) {
1627 		cdata->fmt = fmt;
1628 
1629 		regval = 0;
1630 		tdm_regval = 0;
1631 		switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
1632 		case SND_SOC_DAIFMT_CBC_CFC:
1633 			/* Set to consumer mode PLL - MAS mode off */
1634 			snd_soc_component_write(component,
1635 				M98090_REG_CLOCK_RATIO_NI_MSB, 0x00);
1636 			snd_soc_component_write(component,
1637 				M98090_REG_CLOCK_RATIO_NI_LSB, 0x00);
1638 			snd_soc_component_update_bits(component, M98090_REG_CLOCK_MODE,
1639 				M98090_USE_M1_MASK, 0);
1640 			max98090->master = false;
1641 			break;
1642 		case SND_SOC_DAIFMT_CBP_CFP:
1643 			/* Set to provider mode */
1644 			if (max98090->tdm_slots == 4) {
1645 				/* TDM */
1646 				regval |= M98090_MAS_MASK |
1647 					M98090_BSEL_64;
1648 			} else if (max98090->tdm_slots == 3) {
1649 				/* TDM */
1650 				regval |= M98090_MAS_MASK |
1651 					M98090_BSEL_48;
1652 			} else {
1653 				/* Few TDM slots, or No TDM */
1654 				regval |= M98090_MAS_MASK |
1655 					M98090_BSEL_32;
1656 			}
1657 			max98090->master = true;
1658 			break;
1659 		default:
1660 			dev_err(component->dev, "DAI clock mode unsupported");
1661 			return -EINVAL;
1662 		}
1663 		snd_soc_component_write(component, M98090_REG_MASTER_MODE, regval);
1664 
1665 		regval = 0;
1666 		switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1667 		case SND_SOC_DAIFMT_I2S:
1668 			regval |= M98090_DLY_MASK;
1669 			break;
1670 		case SND_SOC_DAIFMT_LEFT_J:
1671 			break;
1672 		case SND_SOC_DAIFMT_RIGHT_J:
1673 			regval |= M98090_RJ_MASK;
1674 			break;
1675 		case SND_SOC_DAIFMT_DSP_A:
1676 			tdm_regval |= M98090_TDM_MASK;
1677 			break;
1678 		default:
1679 			dev_err(component->dev, "DAI format unsupported");
1680 			return -EINVAL;
1681 		}
1682 
1683 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1684 		case SND_SOC_DAIFMT_NB_NF:
1685 			break;
1686 		case SND_SOC_DAIFMT_NB_IF:
1687 			regval |= M98090_WCI_MASK;
1688 			break;
1689 		case SND_SOC_DAIFMT_IB_NF:
1690 			regval |= M98090_BCI_MASK;
1691 			break;
1692 		case SND_SOC_DAIFMT_IB_IF:
1693 			regval |= M98090_BCI_MASK|M98090_WCI_MASK;
1694 			break;
1695 		default:
1696 			dev_err(component->dev, "DAI invert mode unsupported");
1697 			return -EINVAL;
1698 		}
1699 
1700 		/*
1701 		 * This accommodates an inverted logic in the MAX98090 chip
1702 		 * for Bit Clock Invert (BCI). The inverted logic is only
1703 		 * seen for the case of TDM mode. The remaining cases have
1704 		 * normal logic.
1705 		 */
1706 		if (tdm_regval)
1707 			regval ^= M98090_BCI_MASK;
1708 
1709 		snd_soc_component_write(component,
1710 			M98090_REG_INTERFACE_FORMAT, regval);
1711 
1712 		regval = 0;
1713 		if (tdm_regval)
1714 			regval = max98090->tdm_lslot << M98090_TDM_SLOTL_SHIFT |
1715 				 max98090->tdm_rslot << M98090_TDM_SLOTR_SHIFT |
1716 				 0 << M98090_TDM_SLOTDLY_SHIFT;
1717 
1718 		snd_soc_component_write(component, M98090_REG_TDM_FORMAT, regval);
1719 		snd_soc_component_write(component, M98090_REG_TDM_CONTROL, tdm_regval);
1720 	}
1721 
1722 	return 0;
1723 }
1724 
max98090_set_tdm_slot(struct snd_soc_dai * codec_dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)1725 static int max98090_set_tdm_slot(struct snd_soc_dai *codec_dai,
1726 	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
1727 {
1728 	struct snd_soc_component *component = codec_dai->component;
1729 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1730 
1731 	if (slots < 0 || slots > 4)
1732 		return -EINVAL;
1733 
1734 	if (slot_width != 16)
1735 		return -EINVAL;
1736 
1737 	if (rx_mask != tx_mask)
1738 		return -EINVAL;
1739 
1740 	if (!rx_mask)
1741 		return -EINVAL;
1742 
1743 	max98090->tdm_slots = slots;
1744 	max98090->tdm_lslot = ffs(rx_mask) - 1;
1745 	max98090->tdm_rslot = fls(rx_mask) - 1;
1746 
1747 	return 0;
1748 }
1749 
max98090_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)1750 static int max98090_set_bias_level(struct snd_soc_component *component,
1751 				   enum snd_soc_bias_level level)
1752 {
1753 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1754 	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
1755 	int ret;
1756 
1757 	switch (level) {
1758 	case SND_SOC_BIAS_ON:
1759 		break;
1760 
1761 	case SND_SOC_BIAS_PREPARE:
1762 		/*
1763 		 * SND_SOC_BIAS_PREPARE is called while preparing for a
1764 		 * transition to ON or away from ON. If current bias_level
1765 		 * is SND_SOC_BIAS_ON, then it is preparing for a transition
1766 		 * away from ON. Disable the clock in that case, otherwise
1767 		 * enable it.
1768 		 */
1769 		if (IS_ERR(max98090->mclk))
1770 			break;
1771 
1772 		if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_ON) {
1773 			clk_disable_unprepare(max98090->mclk);
1774 		} else {
1775 			ret = clk_prepare_enable(max98090->mclk);
1776 			if (ret)
1777 				return ret;
1778 		}
1779 		break;
1780 
1781 	case SND_SOC_BIAS_STANDBY:
1782 		if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
1783 			ret = regcache_sync(max98090->regmap);
1784 			if (ret != 0) {
1785 				dev_err(component->dev,
1786 					"Failed to sync cache: %d\n", ret);
1787 				return ret;
1788 			}
1789 		}
1790 		break;
1791 
1792 	case SND_SOC_BIAS_OFF:
1793 		/* Set internal pull-up to lowest power mode */
1794 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
1795 			M98090_JDWK_MASK, M98090_JDWK_MASK);
1796 		regcache_mark_dirty(max98090->regmap);
1797 		break;
1798 	}
1799 	return 0;
1800 }
1801 
1802 static const int dmic_divisors[] = { 2, 3, 4, 5, 6, 8 };
1803 
1804 static const int comp_lrclk_rates[] = {
1805 	8000, 16000, 32000, 44100, 48000, 96000
1806 };
1807 
1808 struct dmic_table {
1809 	int pclk;
1810 	struct {
1811 		int freq;
1812 		int comp[6]; /* One each for 8, 16, 32, 44.1, 48, and 96 kHz */
1813 	} settings[6]; /* One for each dmic divisor. */
1814 };
1815 
1816 static const struct dmic_table dmic_table[] = { /* One for each pclk freq. */
1817 	{
1818 		.pclk = 11289600,
1819 		.settings = {
1820 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1821 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1822 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1823 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1824 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1825 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1826 		},
1827 	},
1828 	{
1829 		.pclk = 12000000,
1830 		.settings = {
1831 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1832 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1833 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1834 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1835 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1836 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1837 		}
1838 	},
1839 	{
1840 		.pclk = 12288000,
1841 		.settings = {
1842 			{ .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
1843 			{ .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
1844 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1845 			{ .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
1846 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1847 			{ .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
1848 		}
1849 	},
1850 	{
1851 		.pclk = 13000000,
1852 		.settings = {
1853 			{ .freq = 2, .comp = { 7, 8, 1, 1, 1, 1 } },
1854 			{ .freq = 1, .comp = { 7, 8, 0, 0, 0, 0 } },
1855 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1856 			{ .freq = 0, .comp = { 7, 8, 4, 4, 5, 5 } },
1857 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1858 			{ .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
1859 		}
1860 	},
1861 	{
1862 		.pclk = 19200000,
1863 		.settings = {
1864 			{ .freq = 2, .comp = { 0, 0, 0, 0, 0, 0 } },
1865 			{ .freq = 1, .comp = { 7, 8, 1, 1, 1, 1 } },
1866 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1867 			{ .freq = 0, .comp = { 7, 8, 2, 2, 3, 3 } },
1868 			{ .freq = 0, .comp = { 7, 8, 1, 1, 2, 2 } },
1869 			{ .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
1870 		}
1871 	},
1872 };
1873 
max98090_find_divisor(int target_freq,int pclk)1874 static int max98090_find_divisor(int target_freq, int pclk)
1875 {
1876 	int current_diff = INT_MAX;
1877 	int test_diff;
1878 	int divisor_index = 0;
1879 	int i;
1880 
1881 	for (i = 0; i < ARRAY_SIZE(dmic_divisors); i++) {
1882 		test_diff = abs(target_freq - (pclk / dmic_divisors[i]));
1883 		if (test_diff < current_diff) {
1884 			current_diff = test_diff;
1885 			divisor_index = i;
1886 		}
1887 	}
1888 
1889 	return divisor_index;
1890 }
1891 
max98090_find_closest_pclk(int pclk)1892 static int max98090_find_closest_pclk(int pclk)
1893 {
1894 	int m1;
1895 	int m2;
1896 	int i;
1897 
1898 	for (i = 0; i < ARRAY_SIZE(dmic_table); i++) {
1899 		if (pclk == dmic_table[i].pclk)
1900 			return i;
1901 		if (pclk < dmic_table[i].pclk) {
1902 			if (i == 0)
1903 				return i;
1904 			m1 = pclk - dmic_table[i-1].pclk;
1905 			m2 = dmic_table[i].pclk - pclk;
1906 			if (m1 < m2)
1907 				return i - 1;
1908 			else
1909 				return i;
1910 		}
1911 	}
1912 
1913 	return -EINVAL;
1914 }
1915 
max98090_configure_dmic(struct max98090_priv * max98090,int target_dmic_clk,int pclk,int fs)1916 static int max98090_configure_dmic(struct max98090_priv *max98090,
1917 				   int target_dmic_clk, int pclk, int fs)
1918 {
1919 	int micclk_index;
1920 	int pclk_index;
1921 	int dmic_freq;
1922 	int dmic_comp;
1923 	int i;
1924 
1925 	pclk_index = max98090_find_closest_pclk(pclk);
1926 	if (pclk_index < 0)
1927 		return pclk_index;
1928 
1929 	micclk_index = max98090_find_divisor(target_dmic_clk, pclk);
1930 
1931 	for (i = 0; i < ARRAY_SIZE(comp_lrclk_rates) - 1; i++) {
1932 		if (fs <= (comp_lrclk_rates[i] + comp_lrclk_rates[i+1]) / 2)
1933 			break;
1934 	}
1935 
1936 	dmic_freq = dmic_table[pclk_index].settings[micclk_index].freq;
1937 	dmic_comp = dmic_table[pclk_index].settings[micclk_index].comp[i];
1938 
1939 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_ENABLE,
1940 			   M98090_MICCLK_MASK,
1941 			   micclk_index << M98090_MICCLK_SHIFT);
1942 
1943 	regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_CONFIG,
1944 			   M98090_DMIC_COMP_MASK | M98090_DMIC_FREQ_MASK,
1945 			   dmic_comp << M98090_DMIC_COMP_SHIFT |
1946 			   dmic_freq << M98090_DMIC_FREQ_SHIFT);
1947 
1948 	return 0;
1949 }
1950 
max98090_dai_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)1951 static int max98090_dai_startup(struct snd_pcm_substream *substream,
1952 				struct snd_soc_dai *dai)
1953 {
1954 	struct snd_soc_component *component = dai->component;
1955 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1956 	unsigned int fmt = max98090->dai_fmt;
1957 
1958 	/* Remove 24-bit format support if it is not in right justified mode. */
1959 	if ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) != SND_SOC_DAIFMT_RIGHT_J) {
1960 		substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
1961 		snd_pcm_hw_constraint_msbits(substream->runtime, 0, 16, 16);
1962 	}
1963 	return 0;
1964 }
1965 
max98090_dai_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1966 static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
1967 				   struct snd_pcm_hw_params *params,
1968 				   struct snd_soc_dai *dai)
1969 {
1970 	struct snd_soc_component *component = dai->component;
1971 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
1972 	struct max98090_cdata *cdata;
1973 
1974 	cdata = &max98090->dai[0];
1975 	max98090->bclk = snd_soc_params_to_bclk(params);
1976 	if (params_channels(params) == 1)
1977 		max98090->bclk *= 2;
1978 
1979 	max98090->lrclk = params_rate(params);
1980 
1981 	switch (params_width(params)) {
1982 	case 16:
1983 		snd_soc_component_update_bits(component, M98090_REG_INTERFACE_FORMAT,
1984 			M98090_WS_MASK, 0);
1985 		break;
1986 	default:
1987 		return -EINVAL;
1988 	}
1989 
1990 	if (max98090->master)
1991 		max98090_configure_bclk(component);
1992 
1993 	cdata->rate = max98090->lrclk;
1994 
1995 	/* Update filter mode */
1996 	if (max98090->lrclk < 24000)
1997 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
1998 			M98090_MODE_MASK, 0);
1999 	else
2000 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
2001 			M98090_MODE_MASK, M98090_MODE_MASK);
2002 
2003 	/* Update sample rate mode */
2004 	if (max98090->lrclk < 50000)
2005 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
2006 			M98090_DHF_MASK, 0);
2007 	else
2008 		snd_soc_component_update_bits(component, M98090_REG_FILTER_CONFIG,
2009 			M98090_DHF_MASK, M98090_DHF_MASK);
2010 
2011 	max98090_configure_dmic(max98090, max98090->dmic_freq, max98090->pclk,
2012 				max98090->lrclk);
2013 
2014 	return 0;
2015 }
2016 
2017 /*
2018  * PLL / Sysclk
2019  */
max98090_dai_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)2020 static int max98090_dai_set_sysclk(struct snd_soc_dai *dai,
2021 				   int clk_id, unsigned int freq, int dir)
2022 {
2023 	struct snd_soc_component *component = dai->component;
2024 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2025 
2026 	/* Requested clock frequency is already setup */
2027 	if (freq == max98090->sysclk)
2028 		return 0;
2029 
2030 	if (!IS_ERR(max98090->mclk)) {
2031 		freq = clk_round_rate(max98090->mclk, freq);
2032 		clk_set_rate(max98090->mclk, freq);
2033 	}
2034 
2035 	/* Setup clocks for slave mode, and using the PLL
2036 	 * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
2037 	 *		 0x02 (when master clk is 20MHz to 40MHz)..
2038 	 *		 0x03 (when master clk is 40MHz to 60MHz)..
2039 	 */
2040 	if ((freq >= 10000000) && (freq <= 20000000)) {
2041 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2042 			M98090_PSCLK_DIV1);
2043 		max98090->pclk = freq;
2044 	} else if ((freq > 20000000) && (freq <= 40000000)) {
2045 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2046 			M98090_PSCLK_DIV2);
2047 		max98090->pclk = freq >> 1;
2048 	} else if ((freq > 40000000) && (freq <= 60000000)) {
2049 		snd_soc_component_write(component, M98090_REG_SYSTEM_CLOCK,
2050 			M98090_PSCLK_DIV4);
2051 		max98090->pclk = freq >> 2;
2052 	} else {
2053 		dev_err(component->dev, "Invalid master clock frequency\n");
2054 		return -EINVAL;
2055 	}
2056 
2057 	max98090->sysclk = freq;
2058 
2059 	return 0;
2060 }
2061 
max98090_dai_mute(struct snd_soc_dai * codec_dai,int mute,int direction)2062 static int max98090_dai_mute(struct snd_soc_dai *codec_dai, int mute,
2063 			     int direction)
2064 {
2065 	struct snd_soc_component *component = codec_dai->component;
2066 	int regval;
2067 
2068 	regval = mute ? M98090_DVM_MASK : 0;
2069 	snd_soc_component_update_bits(component, M98090_REG_DAI_PLAYBACK_LEVEL,
2070 		M98090_DVM_MASK, regval);
2071 
2072 	return 0;
2073 }
2074 
max98090_dai_trigger(struct snd_pcm_substream * substream,int cmd,struct snd_soc_dai * dai)2075 static int max98090_dai_trigger(struct snd_pcm_substream *substream, int cmd,
2076 				struct snd_soc_dai *dai)
2077 {
2078 	struct snd_soc_component *component = dai->component;
2079 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2080 
2081 	switch (cmd) {
2082 	case SNDRV_PCM_TRIGGER_START:
2083 	case SNDRV_PCM_TRIGGER_RESUME:
2084 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
2085 		if (!max98090->master && snd_soc_dai_active(dai) == 1)
2086 			queue_delayed_work(system_power_efficient_wq,
2087 					   &max98090->pll_det_enable_work,
2088 					   msecs_to_jiffies(10));
2089 		break;
2090 	case SNDRV_PCM_TRIGGER_STOP:
2091 	case SNDRV_PCM_TRIGGER_SUSPEND:
2092 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
2093 		if (!max98090->master && snd_soc_dai_active(dai) == 1)
2094 			schedule_work(&max98090->pll_det_disable_work);
2095 		break;
2096 	default:
2097 		break;
2098 	}
2099 
2100 	return 0;
2101 }
2102 
max98090_pll_det_enable_work(struct work_struct * work)2103 static void max98090_pll_det_enable_work(struct work_struct *work)
2104 {
2105 	struct max98090_priv *max98090 =
2106 		container_of(work, struct max98090_priv,
2107 			     pll_det_enable_work.work);
2108 	struct snd_soc_component *component = max98090->component;
2109 	unsigned int status, mask;
2110 
2111 	/*
2112 	 * Clear status register in order to clear possibly already occurred
2113 	 * PLL unlock. If PLL hasn't still locked, the status will be set
2114 	 * again and PLL unlock interrupt will occur.
2115 	 * Note this will clear all status bits
2116 	 */
2117 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2118 
2119 	/*
2120 	 * Queue jack work in case jack state has just changed but handler
2121 	 * hasn't run yet
2122 	 */
2123 	regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2124 	status &= mask;
2125 	if (status & M98090_JDET_MASK)
2126 		queue_delayed_work(system_power_efficient_wq,
2127 				   &max98090->jack_work,
2128 				   msecs_to_jiffies(100));
2129 
2130 	/* Enable PLL unlock interrupt */
2131 	snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2132 			    M98090_IULK_MASK,
2133 			    1 << M98090_IULK_SHIFT);
2134 }
2135 
max98090_pll_det_disable_work(struct work_struct * work)2136 static void max98090_pll_det_disable_work(struct work_struct *work)
2137 {
2138 	struct max98090_priv *max98090 =
2139 		container_of(work, struct max98090_priv, pll_det_disable_work);
2140 	struct snd_soc_component *component = max98090->component;
2141 
2142 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2143 
2144 	/* Disable PLL unlock interrupt */
2145 	snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2146 			    M98090_IULK_MASK, 0);
2147 }
2148 
max98090_pll_work(struct max98090_priv * max98090)2149 static void max98090_pll_work(struct max98090_priv *max98090)
2150 {
2151 	struct snd_soc_component *component = max98090->component;
2152 	unsigned int pll;
2153 	int i;
2154 
2155 	if (!snd_soc_component_active(component))
2156 		return;
2157 
2158 	dev_info_ratelimited(component->dev, "PLL unlocked\n");
2159 
2160 	/*
2161 	 * As the datasheet suggested, the maximum PLL lock time should be
2162 	 * 7 msec.  The workaround resets the codec softly by toggling SHDN
2163 	 * off and on if PLL failed to lock for 10 msec.  Notably, there is
2164 	 * no suggested hold time for SHDN off.
2165 	 */
2166 
2167 	/* Toggle shutdown OFF then ON */
2168 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2169 			    M98090_SHDNN_MASK, 0);
2170 	snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2171 			    M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2172 
2173 	for (i = 0; i < 10; ++i) {
2174 		/* Give PLL time to lock */
2175 		usleep_range(1000, 1200);
2176 
2177 		/* Check lock status */
2178 		pll = snd_soc_component_read(
2179 				component, M98090_REG_DEVICE_STATUS);
2180 		if (!(pll & M98090_ULK_MASK))
2181 			break;
2182 	}
2183 }
2184 
max98090_jack_work(struct work_struct * work)2185 static void max98090_jack_work(struct work_struct *work)
2186 {
2187 	struct max98090_priv *max98090 = container_of(work,
2188 		struct max98090_priv,
2189 		jack_work.work);
2190 	struct snd_soc_component *component = max98090->component;
2191 	int status = 0;
2192 	int reg;
2193 
2194 	/* Read a second time */
2195 	if (max98090->jack_state == M98090_JACK_STATE_NO_HEADSET) {
2196 
2197 		/* Strong pull up allows mic detection */
2198 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
2199 			M98090_JDWK_MASK, 0);
2200 
2201 		msleep(50);
2202 
2203 		snd_soc_component_read(component, M98090_REG_JACK_STATUS);
2204 
2205 		/* Weak pull up allows only insertion detection */
2206 		snd_soc_component_update_bits(component, M98090_REG_JACK_DETECT,
2207 			M98090_JDWK_MASK, M98090_JDWK_MASK);
2208 	}
2209 
2210 	reg = snd_soc_component_read(component, M98090_REG_JACK_STATUS);
2211 
2212 	switch (reg & (M98090_LSNS_MASK | M98090_JKSNS_MASK)) {
2213 		case M98090_LSNS_MASK | M98090_JKSNS_MASK:
2214 			dev_dbg(component->dev, "No Headset Detected\n");
2215 
2216 			max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2217 
2218 			status |= 0;
2219 
2220 			break;
2221 
2222 		case 0:
2223 			if (max98090->jack_state ==
2224 				M98090_JACK_STATE_HEADSET) {
2225 
2226 				dev_dbg(component->dev,
2227 					"Headset Button Down Detected\n");
2228 
2229 				/*
2230 				 * max98090_headset_button_event(codec)
2231 				 * could be defined, then called here.
2232 				 */
2233 
2234 				status |= SND_JACK_HEADSET;
2235 				status |= SND_JACK_BTN_0;
2236 
2237 				break;
2238 			}
2239 
2240 			/* Line is reported as Headphone */
2241 			/* Nokia Headset is reported as Headphone */
2242 			/* Mono Headphone is reported as Headphone */
2243 			dev_dbg(component->dev, "Headphone Detected\n");
2244 
2245 			max98090->jack_state = M98090_JACK_STATE_HEADPHONE;
2246 
2247 			status |= SND_JACK_HEADPHONE;
2248 
2249 			break;
2250 
2251 		case M98090_JKSNS_MASK:
2252 			dev_dbg(component->dev, "Headset Detected\n");
2253 
2254 			max98090->jack_state = M98090_JACK_STATE_HEADSET;
2255 
2256 			status |= SND_JACK_HEADSET;
2257 
2258 			break;
2259 
2260 		default:
2261 			dev_dbg(component->dev, "Unrecognized Jack Status\n");
2262 			break;
2263 	}
2264 
2265 	snd_soc_jack_report(max98090->jack, status,
2266 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2267 }
2268 
max98090_interrupt(int irq,void * data)2269 static irqreturn_t max98090_interrupt(int irq, void *data)
2270 {
2271 	struct max98090_priv *max98090 = data;
2272 	struct snd_soc_component *component = max98090->component;
2273 	int ret;
2274 	unsigned int mask;
2275 	unsigned int active;
2276 
2277 	/* Treat interrupt before codec is initialized as spurious */
2278 	if (component == NULL)
2279 		return IRQ_NONE;
2280 
2281 	dev_dbg(component->dev, "***** max98090_interrupt *****\n");
2282 
2283 	ret = regmap_read(max98090->regmap, M98090_REG_INTERRUPT_S, &mask);
2284 
2285 	if (ret != 0) {
2286 		dev_err(component->dev,
2287 			"failed to read M98090_REG_INTERRUPT_S: %d\n",
2288 			ret);
2289 		return IRQ_NONE;
2290 	}
2291 
2292 	ret = regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &active);
2293 
2294 	if (ret != 0) {
2295 		dev_err(component->dev,
2296 			"failed to read M98090_REG_DEVICE_STATUS: %d\n",
2297 			ret);
2298 		return IRQ_NONE;
2299 	}
2300 
2301 	dev_dbg(component->dev, "active=0x%02x mask=0x%02x -> active=0x%02x\n",
2302 		active, mask, active & mask);
2303 
2304 	active &= mask;
2305 
2306 	if (!active)
2307 		return IRQ_NONE;
2308 
2309 	if (active & M98090_CLD_MASK)
2310 		dev_err(component->dev, "M98090_CLD_MASK\n");
2311 
2312 	if (active & M98090_SLD_MASK)
2313 		dev_dbg(component->dev, "M98090_SLD_MASK\n");
2314 
2315 	if (active & M98090_ULK_MASK) {
2316 		dev_dbg(component->dev, "M98090_ULK_MASK\n");
2317 		max98090_pll_work(max98090);
2318 	}
2319 
2320 	if (active & M98090_JDET_MASK) {
2321 		dev_dbg(component->dev, "M98090_JDET_MASK\n");
2322 
2323 		pm_wakeup_event(component->dev, 100);
2324 
2325 		queue_delayed_work(system_power_efficient_wq,
2326 				   &max98090->jack_work,
2327 				   msecs_to_jiffies(100));
2328 	}
2329 
2330 	if (active & M98090_DRCACT_MASK)
2331 		dev_dbg(component->dev, "M98090_DRCACT_MASK\n");
2332 
2333 	if (active & M98090_DRCCLP_MASK)
2334 		dev_err(component->dev, "M98090_DRCCLP_MASK\n");
2335 
2336 	return IRQ_HANDLED;
2337 }
2338 
2339 /**
2340  * max98090_mic_detect - Enable microphone detection via the MAX98090 IRQ
2341  *
2342  * @component:  MAX98090 component
2343  * @jack:   jack to report detection events on
2344  *
2345  * Enable microphone detection via IRQ on the MAX98090.  If GPIOs are
2346  * being used to bring out signals to the processor then only platform
2347  * data configuration is needed for MAX98090 and processor GPIOs should
2348  * be configured using snd_soc_jack_add_gpios() instead.
2349  *
2350  * If no jack is supplied detection will be disabled.
2351  */
max98090_mic_detect(struct snd_soc_component * component,struct snd_soc_jack * jack)2352 int max98090_mic_detect(struct snd_soc_component *component,
2353 	struct snd_soc_jack *jack)
2354 {
2355 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2356 
2357 	dev_dbg(component->dev, "max98090_mic_detect\n");
2358 
2359 	max98090->jack = jack;
2360 	if (jack) {
2361 		snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2362 			M98090_IJDET_MASK,
2363 			1 << M98090_IJDET_SHIFT);
2364 	} else {
2365 		snd_soc_component_update_bits(component, M98090_REG_INTERRUPT_S,
2366 			M98090_IJDET_MASK,
2367 			0);
2368 	}
2369 
2370 	/* Send an initial empty report */
2371 	snd_soc_jack_report(max98090->jack, 0,
2372 			    SND_JACK_HEADSET | SND_JACK_BTN_0);
2373 
2374 	queue_delayed_work(system_power_efficient_wq,
2375 			   &max98090->jack_work,
2376 			   msecs_to_jiffies(100));
2377 
2378 	return 0;
2379 }
2380 EXPORT_SYMBOL_GPL(max98090_mic_detect);
2381 
2382 #define MAX98090_RATES SNDRV_PCM_RATE_8000_96000
2383 #define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
2384 
2385 static const struct snd_soc_dai_ops max98090_dai_ops = {
2386 	.startup = max98090_dai_startup,
2387 	.set_sysclk = max98090_dai_set_sysclk,
2388 	.set_fmt = max98090_dai_set_fmt,
2389 	.set_tdm_slot = max98090_set_tdm_slot,
2390 	.hw_params = max98090_dai_hw_params,
2391 	.mute_stream = max98090_dai_mute,
2392 	.trigger = max98090_dai_trigger,
2393 	.no_capture_mute = 1,
2394 };
2395 
2396 static struct snd_soc_dai_driver max98090_dai = {
2397 	.name = "HiFi",
2398 	.playback = {
2399 		.stream_name = "HiFi Playback",
2400 		.channels_min = 2,
2401 		.channels_max = 2,
2402 		.rates = MAX98090_RATES,
2403 		.formats = MAX98090_FORMATS,
2404 	},
2405 	.capture = {
2406 		.stream_name = "HiFi Capture",
2407 		.channels_min = 1,
2408 		.channels_max = 4,
2409 		.rates = MAX98090_RATES,
2410 		.formats = MAX98090_FORMATS,
2411 	},
2412 	.ops = &max98090_dai_ops,
2413 };
2414 
max98090_probe(struct snd_soc_component * component)2415 static int max98090_probe(struct snd_soc_component *component)
2416 {
2417 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2418 	struct max98090_cdata *cdata;
2419 	enum max98090_type devtype;
2420 	int ret = 0;
2421 	int err;
2422 	unsigned int micbias;
2423 
2424 	dev_dbg(component->dev, "max98090_probe\n");
2425 
2426 	max98090->mclk = devm_clk_get(component->dev, "mclk");
2427 	if (PTR_ERR(max98090->mclk) == -EPROBE_DEFER)
2428 		return -EPROBE_DEFER;
2429 
2430 	max98090->component = component;
2431 
2432 	/* Reset the codec, the DSP core, and disable all interrupts */
2433 	max98090_reset(max98090);
2434 
2435 	/* Initialize private data */
2436 
2437 	max98090->sysclk = (unsigned)-1;
2438 	max98090->pclk = (unsigned)-1;
2439 	max98090->master = false;
2440 
2441 	cdata = &max98090->dai[0];
2442 	cdata->rate = (unsigned)-1;
2443 	cdata->fmt  = (unsigned)-1;
2444 
2445 	max98090->lin_state = 0;
2446 	max98090->pa1en = 0;
2447 	max98090->pa2en = 0;
2448 
2449 	max98090->tdm_lslot = 0;
2450 	max98090->tdm_rslot = 1;
2451 
2452 	ret = snd_soc_component_read(component, M98090_REG_REVISION_ID);
2453 	if (ret < 0) {
2454 		dev_err(component->dev, "Failed to read device revision: %d\n",
2455 			ret);
2456 		goto err_access;
2457 	}
2458 
2459 	if ((ret >= M98090_REVA) && (ret <= M98090_REVA + 0x0f)) {
2460 		devtype = MAX98090;
2461 		dev_info(component->dev, "MAX98090 REVID=0x%02x\n", ret);
2462 	} else if ((ret >= M98091_REVA) && (ret <= M98091_REVA + 0x0f)) {
2463 		devtype = MAX98091;
2464 		dev_info(component->dev, "MAX98091 REVID=0x%02x\n", ret);
2465 	} else {
2466 		devtype = MAX98090;
2467 		dev_err(component->dev, "Unrecognized revision 0x%02x\n", ret);
2468 	}
2469 
2470 	if (max98090->devtype != devtype) {
2471 		dev_warn(component->dev, "Mismatch in DT specified CODEC type.\n");
2472 		max98090->devtype = devtype;
2473 	}
2474 
2475 	max98090->jack_state = M98090_JACK_STATE_NO_HEADSET;
2476 
2477 	INIT_DELAYED_WORK(&max98090->jack_work, max98090_jack_work);
2478 	INIT_DELAYED_WORK(&max98090->pll_det_enable_work,
2479 			  max98090_pll_det_enable_work);
2480 	INIT_WORK(&max98090->pll_det_disable_work,
2481 		  max98090_pll_det_disable_work);
2482 
2483 	/* Enable jack detection */
2484 	snd_soc_component_write(component, M98090_REG_JACK_DETECT,
2485 		M98090_JDETEN_MASK | M98090_JDEB_25MS);
2486 
2487 	/*
2488 	 * Clear any old interrupts.
2489 	 * An old interrupt ocurring prior to installing the ISR
2490 	 * can keep a new interrupt from generating a trigger.
2491 	 */
2492 	snd_soc_component_read(component, M98090_REG_DEVICE_STATUS);
2493 
2494 	/* High Performance is default */
2495 	snd_soc_component_update_bits(component, M98090_REG_DAC_CONTROL,
2496 		M98090_DACHP_MASK,
2497 		1 << M98090_DACHP_SHIFT);
2498 	snd_soc_component_update_bits(component, M98090_REG_DAC_CONTROL,
2499 		M98090_PERFMODE_MASK,
2500 		0 << M98090_PERFMODE_SHIFT);
2501 	snd_soc_component_update_bits(component, M98090_REG_ADC_CONTROL,
2502 		M98090_ADCHP_MASK,
2503 		1 << M98090_ADCHP_SHIFT);
2504 
2505 	/* Turn on VCM bandgap reference */
2506 	snd_soc_component_write(component, M98090_REG_BIAS_CONTROL,
2507 		M98090_VCM_MODE_MASK);
2508 
2509 	err = device_property_read_u32(component->dev, "maxim,micbias", &micbias);
2510 	if (err) {
2511 		micbias = M98090_MBVSEL_2V8;
2512 		dev_info(component->dev, "use default 2.8v micbias\n");
2513 	} else if (micbias > M98090_MBVSEL_2V8) {
2514 		dev_err(component->dev, "micbias out of range 0x%x\n", micbias);
2515 		micbias = M98090_MBVSEL_2V8;
2516 	}
2517 
2518 	snd_soc_component_update_bits(component, M98090_REG_MIC_BIAS_VOLTAGE,
2519 		M98090_MBVSEL_MASK, micbias);
2520 
2521 	max98090_add_widgets(component);
2522 
2523 err_access:
2524 	return ret;
2525 }
2526 
max98090_remove(struct snd_soc_component * component)2527 static void max98090_remove(struct snd_soc_component *component)
2528 {
2529 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2530 
2531 	cancel_delayed_work_sync(&max98090->jack_work);
2532 	cancel_delayed_work_sync(&max98090->pll_det_enable_work);
2533 	cancel_work_sync(&max98090->pll_det_disable_work);
2534 	max98090->component = NULL;
2535 }
2536 
max98090_seq_notifier(struct snd_soc_component * component,enum snd_soc_dapm_type event,int subseq)2537 static void max98090_seq_notifier(struct snd_soc_component *component,
2538 	enum snd_soc_dapm_type event, int subseq)
2539 {
2540 	struct max98090_priv *max98090 = snd_soc_component_get_drvdata(component);
2541 
2542 	if (max98090->shdn_pending) {
2543 		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2544 				M98090_SHDNN_MASK, 0);
2545 		msleep(40);
2546 		snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
2547 				M98090_SHDNN_MASK, M98090_SHDNN_MASK);
2548 		max98090->shdn_pending = false;
2549 	}
2550 }
2551 
2552 static const struct snd_soc_component_driver soc_component_dev_max98090 = {
2553 	.probe			= max98090_probe,
2554 	.remove			= max98090_remove,
2555 	.seq_notifier		= max98090_seq_notifier,
2556 	.set_bias_level		= max98090_set_bias_level,
2557 	.idle_bias_on		= 1,
2558 	.use_pmdown_time	= 1,
2559 	.endianness		= 1,
2560 };
2561 
2562 static const struct regmap_config max98090_regmap = {
2563 	.reg_bits = 8,
2564 	.val_bits = 8,
2565 
2566 	.max_register = MAX98090_MAX_REGISTER,
2567 	.reg_defaults = max98090_reg,
2568 	.num_reg_defaults = ARRAY_SIZE(max98090_reg),
2569 	.volatile_reg = max98090_volatile_register,
2570 	.readable_reg = max98090_readable_register,
2571 	.cache_type = REGCACHE_RBTREE,
2572 };
2573 
2574 static const struct i2c_device_id max98090_i2c_id[] = {
2575 	{ "max98090", MAX98090 },
2576 	{ "max98091", MAX98091 },
2577 	{ }
2578 };
2579 MODULE_DEVICE_TABLE(i2c, max98090_i2c_id);
2580 
max98090_i2c_probe(struct i2c_client * i2c)2581 static int max98090_i2c_probe(struct i2c_client *i2c)
2582 {
2583 	struct max98090_priv *max98090;
2584 	int ret;
2585 
2586 	pr_debug("max98090_i2c_probe\n");
2587 
2588 	max98090 = devm_kzalloc(&i2c->dev, sizeof(struct max98090_priv),
2589 		GFP_KERNEL);
2590 	if (max98090 == NULL)
2591 		return -ENOMEM;
2592 
2593 	max98090->devtype = (uintptr_t)i2c_get_match_data(i2c);
2594 	i2c_set_clientdata(i2c, max98090);
2595 	max98090->pdata = i2c->dev.platform_data;
2596 
2597 	ret = of_property_read_u32(i2c->dev.of_node, "maxim,dmic-freq",
2598 				   &max98090->dmic_freq);
2599 	if (ret < 0)
2600 		max98090->dmic_freq = MAX98090_DEFAULT_DMIC_FREQ;
2601 
2602 	max98090->regmap = devm_regmap_init_i2c(i2c, &max98090_regmap);
2603 	if (IS_ERR(max98090->regmap)) {
2604 		ret = PTR_ERR(max98090->regmap);
2605 		dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
2606 		goto err_enable;
2607 	}
2608 
2609 	ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
2610 		max98090_interrupt, IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2611 		"max98090_interrupt", max98090);
2612 	if (ret < 0) {
2613 		dev_err(&i2c->dev, "request_irq failed: %d\n",
2614 			ret);
2615 		return ret;
2616 	}
2617 
2618 	ret = devm_snd_soc_register_component(&i2c->dev,
2619 					      &soc_component_dev_max98090,
2620 					      &max98090_dai, 1);
2621 err_enable:
2622 	return ret;
2623 }
2624 
max98090_i2c_shutdown(struct i2c_client * i2c)2625 static void max98090_i2c_shutdown(struct i2c_client *i2c)
2626 {
2627 	struct max98090_priv *max98090 = dev_get_drvdata(&i2c->dev);
2628 
2629 	/*
2630 	 * Enable volume smoothing, disable zero cross.  This will cause
2631 	 * a quick 40ms ramp to mute on shutdown.
2632 	 */
2633 	regmap_write(max98090->regmap,
2634 		M98090_REG_LEVEL_CONTROL, M98090_VSENN_MASK);
2635 	regmap_write(max98090->regmap,
2636 		M98090_REG_DEVICE_SHUTDOWN, 0x00);
2637 	msleep(40);
2638 }
2639 
max98090_i2c_remove(struct i2c_client * client)2640 static void max98090_i2c_remove(struct i2c_client *client)
2641 {
2642 	max98090_i2c_shutdown(client);
2643 }
2644 
max98090_runtime_resume(struct device * dev)2645 static int max98090_runtime_resume(struct device *dev)
2646 {
2647 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2648 
2649 	regcache_cache_only(max98090->regmap, false);
2650 
2651 	max98090_reset(max98090);
2652 
2653 	regcache_sync(max98090->regmap);
2654 
2655 	return 0;
2656 }
2657 
max98090_runtime_suspend(struct device * dev)2658 static int max98090_runtime_suspend(struct device *dev)
2659 {
2660 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2661 
2662 	regcache_cache_only(max98090->regmap, true);
2663 
2664 	return 0;
2665 }
2666 
max98090_resume(struct device * dev)2667 static int max98090_resume(struct device *dev)
2668 {
2669 	struct max98090_priv *max98090 = dev_get_drvdata(dev);
2670 	unsigned int status;
2671 
2672 	regcache_mark_dirty(max98090->regmap);
2673 
2674 	max98090_reset(max98090);
2675 
2676 	/* clear IRQ status */
2677 	regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status);
2678 
2679 	regcache_sync(max98090->regmap);
2680 
2681 	return 0;
2682 }
2683 
2684 static const struct dev_pm_ops max98090_pm = {
2685 	RUNTIME_PM_OPS(max98090_runtime_suspend, max98090_runtime_resume, NULL)
2686 	SYSTEM_SLEEP_PM_OPS(NULL, max98090_resume)
2687 };
2688 
2689 #ifdef CONFIG_OF
2690 static const struct of_device_id max98090_of_match[] = {
2691 	{ .compatible = "maxim,max98090", },
2692 	{ .compatible = "maxim,max98091", },
2693 	{ }
2694 };
2695 MODULE_DEVICE_TABLE(of, max98090_of_match);
2696 #endif
2697 
2698 #ifdef CONFIG_ACPI
2699 static const struct acpi_device_id max98090_acpi_match[] = {
2700 	{ "193C9890", MAX98090 },
2701 	{ }
2702 };
2703 MODULE_DEVICE_TABLE(acpi, max98090_acpi_match);
2704 #endif
2705 
2706 static struct i2c_driver max98090_i2c_driver = {
2707 	.driver = {
2708 		.name = "max98090",
2709 		.pm = pm_ptr(&max98090_pm),
2710 		.of_match_table = of_match_ptr(max98090_of_match),
2711 		.acpi_match_table = ACPI_PTR(max98090_acpi_match),
2712 	},
2713 	.probe = max98090_i2c_probe,
2714 	.shutdown = max98090_i2c_shutdown,
2715 	.remove = max98090_i2c_remove,
2716 	.id_table = max98090_i2c_id,
2717 };
2718 
2719 module_i2c_driver(max98090_i2c_driver);
2720 
2721 MODULE_DESCRIPTION("ALSA SoC MAX98090 driver");
2722 MODULE_AUTHOR("Peter Hsiang, Jesse Marroqin, Jerry Wong");
2723 MODULE_LICENSE("GPL");
2724